CN102111695A - Earplug cover and earphone - Google Patents
Earplug cover and earphone Download PDFInfo
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- CN102111695A CN102111695A CN2010105635099A CN201010563509A CN102111695A CN 102111695 A CN102111695 A CN 102111695A CN 2010105635099 A CN2010105635099 A CN 2010105635099A CN 201010563509 A CN201010563509 A CN 201010563509A CN 102111695 A CN102111695 A CN 102111695A
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- holding section
- filter
- distance
- filter support
- receiver portion
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Abstract
The invention provides an earplug cover and an earphone, and in a manufacturing process, when the earplug cover is installed on an earpiece part, a filter part does not fall off and the assembly has good operability. The earplug comprises a base part with a through hole and an annular shape, and a filter part with a filter bracket and a filter; the filter bracket comprises a bottom provided with a opening part, and a peripheral wall part, and the filter is installed to cover the opening part. In an installed state that the through hole is installed on the earpiece part, the through hole comprises, in turn, from the housing side: a first engaging part which protrudes inwards and has a minimum distance between a fore end surface and the axis of the base part as a first distance; a second engaging part which has a peripheral surface, wherein a minimum distance between the surface and the axis is a second distance longer than the first distance; and a third engaging part which is formed continuously to the second engaging part and has a peripheral surface, wherein a minimum distance between the surface and the axis is longer than the second distance. The filter part is held in a manner that the peripheral wall part is engaged with the third engaging part and the bottom is located at the opposite side to the second engaging part.
Description
Technical field
The present invention relates to earplug cover and earphone, especially relate to being installed on and be inserted into the earplug cover in the external auditory meatus and the earphone of this earplug cover is installed from the outstanding receiver portion that is provided with of headset main body and with receiver portion.
Background technology
Mounting ear plug sleeve releasably in the outstanding receiver portion that is provided with from the main body of earphone, and the earplug cover is inserted in the external auditory meatus and the earphone that uses, promptly be called so-called duct-type is popularized with receiver portion.
In the ear-canal earphones, known have these two kinds of the type (hereinafter referred to as the unit intake type) that loudspeaker unit is contained in body interior and the type (hereinafter referred to as the top installing type) that are installed on the front end of a portion.
About the unit intake type, in patent documentation 1, record the earphone of following structure: put the filter part of fixing acoustic characteristic adjustment usefulness and the acoustic characteristic that obtains expecting at the earplug that releasably is installed on receiver portion.
In the patent documentation 1, also put down in writing following item: under the situation that the net of filter part is stopped up by earwax etc., can return to initial acoustic characteristic by changing the earplug cover.
In the patent documentation 1, put down in writing in an embodiment about filter part and be attached at earplug cover this point (with reference to the 0037th section of patent documentation 1), in variation, put down in writing the structure (with reference to the 0049th section, the 0050th section of patent documentation 1 etc.) of big footpath spatial portion that filter part about ring-type is embedded into the through hole of earplug cover via the plane adhesive tape.
In addition, the earplug cover is formed by elastomeric materials such as silicon rubber usually, therefore there is following situation in the earphone of record in the patent documentation 1: under low temperature environment, or owing to dust in attaching operation is attached to attaching face etc., be difficult to give full play to the attaching power of two-sided tape, can not get rid of the possibility that filter part comes off.
In addition, in the manufacturing process of earphone, earplug cover after the filter part with ring-type is embedded into big footpath spatial portion is installed in the operation of receiver portion, make the distortion significantly of earplug cover, therefore exist because from the possibility of preposition skew or disengaging, there is room for improvement in these warped filter parts aspect assembly manipulation.
Summary of the invention
Therefore, the problem that the present invention will solve provides a kind of earplug cover and the earphone of this earplug cover is installed, described earplug cover possesses to be adjusted acoustic characteristic and prevents that earwax etc. from entering in receiver portion or the filter part in the loudspeaker unit of the front-end configuration of receiver portion, and need not to worry that filter part comes off and assembly manipulation is good when in manufacturing process the earplug cover being installed on receiver portion.
In order to solve above-mentioned problem, as means, the structure of the present invention has following (1)～(3).
(1) a kind of earplug cover (6) is installed on from the outstanding receiver portion (3) of the housing (1) of earphone (50), it is characterized in that, comprising:
Base portion (6k) has through hole (6a), and forms ring-type; And
Filter section (10), have filter support (11) and filter (12), wherein said filter support (11) has the bottom (11b) that is provided with peristome (11c) and reaches the surrounding wall portion (11a) that forms from the periphery of described bottom (11b) with erecting, described filter (12) is installed on described filter support (11) in the mode that covers described peristome (11c)
Described through hole (6a) has successively from described housing (1) side under the state that is installed on described receiver portion (3):
First holding section (6b), this first holding section are inwardly square outstanding all ribs, and the minimum range between the axis (CL6) of its front end face and described base portion (6k) is first distance;
Second holding section (6c), this second holding section have and described axis (CL6) between minimum range be the side face of second distance, wherein this second distance is greater than described first distance; And
The 3rd holding section (6d) forms continuously with described second holding section (6c), have and described axis (CL6) between minimum range greater than the side face of described second distance,
The attitude that described filter section (10) engages with described the 3rd holding section (6d) with described surrounding wall portion (11a) and described bottom (11b) is positioned at the opposition side of described second holding section (6c) is held in described base portion (6k).
(2) a kind of earphone (50) is equipped with earplug cover (6), it is characterized in that, comprising:
Housing (1);
The receiver portion (3) of tubular forms from described housing (1) is outstanding, and has all grooves (3b);
Loudspeaker unit (7) disposes with the front end face butt of described receiver portion (3);
Unit rack (8), have the bottom (8b) that is provided with louver (8c) and reach first surrounding wall portion (8d) that forms from the periphery of described bottom (8b) with erecting, embed the front of described loudspeaker unit (7) and described receiver portion (3) in the inboard of described first surrounding wall portion (8d), thereby be installed in described receiver portion (3); And
Filter section (10), have filter support (11) and filter (12), and embedding is fixed on the front of described unit rack (8), described filter support (11) has the bottom (11b) that is provided with peristome (11c) and reaches second surrounding wall portion (11a) that forms from the periphery of described bottom (11b) with erecting, described filter (12) is installed on described filter support (11) in the mode that covers described peristome (11c)
First holding section (6b) that described earplug cover (6) has base portion (6K) and begins to form successively from an end (6k2) side of described base portion (6k), second holding section (6c) and the 3rd holding section (6d), and described earplug cover is installed on described receiver portion (3), wherein said base portion (6k) has through hole (6a), and form ring-type, described first holding section (6b) is inwardly square outstanding all ribs, and the minimum range between the axis (CL6) of its front end face and described base portion (6k) is first distance, described second holding section (6c) have and described axis (CL6) between minimum range be side face greater than the second distance of described first distance, described the 3rd holding section (6d) and described second holding section (6c) form continuously and have and described axis (CL6) between minimum range greater than the side face of described second distance
Described first holding section (6b) engages with described all grooves (3b), described first surrounding wall portion (8d) butt of described second holding section (6c) and described unit rack (8), described second surrounding wall portion (11a) of described filter support (11) is chimeric with described the 3rd holding section (6d).
(3) a kind of earphone (50) is equipped with earplug cover (6), it is characterized in that, comprising:
Housing (1);
The receiver portion (3) of tubular forms from described housing (1) is outstanding, and has all grooves (3b);
Loudspeaker unit (7) is accommodated in the inside of described housing (1);
Filter section (10), have filter support (11) and filter (12), and embedding is fixed on the front of described unit rack (11), described filter support (11) has the bottom (11b) that is provided with peristome (11c) and reaches second surrounding wall portion (11a) that forms from the periphery of described bottom (11b) with erecting, described filter (12) is installed on described filter support (11) in the mode that covers described peristome (11c)
First holding section (6b) that described earplug cover (6) has base portion (6K) and forms successively from an end (6k2) side of described base portion (6k), second holding section (6c) and the 3rd holding section (6d), and described earplug cover (6) is installed on described receiver portion (3), wherein said base portion (6k) has through hole, and form ring-type, described first holding section (6b) is inwardly square outstanding all ribs, and the minimum range between the axis (CL6) of its front end face and described base portion (6k) is first distance, described second holding section (6c) have and described axis (CL6) between minimum range be side face greater than the second distance of described first distance, described the 3rd holding section (6d) and described second holding section (6c) form continuously and have and described axis (CL6) between minimum range greater than the side face of described second distance
Described first holding section (6b) engages with described all grooves (3b), the outer peripheral face butt of described second holding section (6c) and described receiver portion (3), and described second surrounding wall portion (11a) of described filter support (11) is chimeric with described the 3rd holding section (6d).
The invention effect
According to the present invention, can obtain following effect: need not to worry that filter part can come off when in manufacturing process, the earplug cover being installed on receiver portion, and assembly manipulation is good.
Description of drawings
Fig. 1 is the outward appearance perspective view of the embodiment of expression earphone of the present invention.
Fig. 2 is the partial sectional view that is used to illustrate the embodiment of earphone of the present invention.
Fig. 3 is the installation diagram of part that is used to illustrate the embodiment of earphone of the present invention.
Fig. 4 is the outward appearance perspective view of the mode in the assembling way of embodiment of expression earphone of the present invention.
Fig. 5 is the figure of filter support that is used to illustrate the embodiment of earphone of the present invention.
Fig. 6 is the figure of filter that is used to illustrate the embodiment of earphone of the present invention.
Fig. 7 is the figure of earplug cover that is used to illustrate the embodiment of earphone of the present invention.
Fig. 8 is the partial sectional perspective view of installment state of earplug cover that is used to illustrate the embodiment of earphone of the present invention.
Fig. 9 is the cutaway view of variation that is used to illustrate the embodiment of earphone of the present invention.
Label declaration
1 housing
2 main parts
3 receiver portions
3a rivets groove
The 3b slot
The 3t front end face
4 linings
5 flexible cords
The 5a lead
6,66 earplug covers
6a, the 66a through hole
6k, the 66k base portion
6h, 66h overlap portion
6b engages protuberance
6c UH holding section
6d FH holding section
The 6d1 stage portion
The 6e open pore
6k1 one end
6k2 the other end
7 loudspeaker units
7a playback face
The 7b bottom surface
The 7c terminal
The 7d stage portion
8 unit racks
The 8a end edge portion
The 8b bottom surface sections
The 8c louver
The 8d surrounding wall portion
9 adjust filter
10 filter section
11 filter supports
The 11a surrounding wall portion
The 11b bottom
The 11bt outer surface
The 11c peristome
12 filters
13 fixed parts (two-sided tape)
50,60 earphones
61 dividing plates
Embodiment
By preferred embodiment and utilize Fig. 1～Fig. 9 that embodiments of the present invention are described.
Fig. 1 is the outward appearance perspective view of the embodiment of expression earphone of the present invention.
As shown in Figure 1, the earphone 50 of embodiment is the top installing type, the flexible cord 5 that comprises the main part 2 of the housing 1 with case shape, the lining 4 that stretches out from the receiver portion 3 of the outstanding tubular of housing 1, from housing 1, draws from the front end of lining 4.
In addition, earplug cover 6 loading and unloading that formed by flexible materials such as silicon rubber are installed on the front of receiver portion 3 freely.
As shown in Figure 1, earphone 50 possesses loudspeaker unit 7 at the front end of receiver portion 3.
Then, near the details about the receiver portion 3 that earplug cover 6 has been installed uses Fig. 2 and Fig. 3 to be elaborated.
Fig. 2 is near the cutaway view of having installed the receiver portion 3 of earplug cover 6.
Fig. 3 is used for illustrating the earplug cover 6 of earphone 50 of embodiment and the partial exploded view of the parts between the receiver portion 3.Among Fig. 3, housing 1 shows the shape different housings with housing shown in Figure 1.Shape to housing 1 among the embodiment does not limit.
Among Fig. 2 and Fig. 3, receiver portion 3 forms cylindric, is provided with 2 all grooves.
2 all grooves specifically, from front, are with unit rack 8 (the riveted joint groove 3a of the end edge portion 8a of) surrounding wall portion 8d riveted joint and be used to engage the slot 3b of earplug cover 6 specifically as described later.
Front end in receiver portion 3, loudspeaker unit 7 (only representing in Fig. 2) is installed in the mode of the front end face 3t butt of its bottom surface 7b and receiver portion 3.
The face shaping of loudspeaker unit 7 forms cylindric, and the left end face among Fig. 2 is as emitting the playback face 7a of sound.
In the loudspeaker unit 7 shown in Figure 2, be provided with the playback face of making 7a side than the little stage portion 7d of bottom surface 7b side diameter.
Be formed with pair of terminal 7c on the 7b of bottom surface, the couple of conductor 5a that is accommodated in the flexible cord 5 is electrically connected with described pair of terminal 7c respectively.
Specifically, has bottom surface sections 8b and erect the surrounding wall portion 8d of formation and form to direction along axis CL8 from its periphery.
As shown in Figure 3, at the bottom surface sections 8b of unit rack 8, be provided with a plurality of louver 8c that the sound of emitting from loudspeaker unit 7 is passed through.
Specifically, in advance lead 5a is connected with the terminal 7c of loudspeaker unit 7, lead 5a is taken in loudspeaker unit 7 from slotting the leading in the receiver portion 3 and in the inside of unit rack 8 of front in the mode that its playback face 7a is positioned at the bottom surface sections 8b side of unit rack 8, under this state, make unit rack 8 cover the front end of receiver portion 3, the ora terminalis 8a of the surrounding wall portion 8d of unit rack 8 is riveted on the riveted joint groove 3a of receiver portion 3, loudspeaker unit 7 is clipped in and the front end face 3t of receiver portion 3 between and fix.
Between the bottom surface sections 8b of the playback face 7a of loudspeaker unit 7 and unit rack 8, also can adjust filter 9 in order to adjust to sandwich as the basic tonequality of loudspeaker unit 7.Among Fig. 2, show the state of adjusting filter 9 that sandwiches.
Then, utilize Fig. 2～Fig. 6, to the acoustic characteristic of adjusting earphone 50 and prevent that intrusions receiver portion 3 interior filter parts (hereinafter referred to as filter section 10) such as earwax from describing.
As shown in Figure 3, filter section 10 constitute have filter support 11, filter 12 and filter 12 is fixed in the fixed part 13 of filter support 11.
Fig. 5 is the front view and the cutaway view of expression filter support 11.Represented size among Fig. 5, but this size only is an example, is not limited thereto.
Among Fig. 5, filter support 11 forms the surrounding wall portion 11a that has bottom 11b and erect from its periphery.
On the 11b of bottom, be provided with the peristome 11c that the sound from loudspeaker unit 7 is passed through.
The bottom 11b of the filter support 11 of embodiment is rounded, and peristome 11c is also rounded.
Fig. 6 is the vertical view of filter 12 and the partial sectional view of including form in of expression filter 12.Represented size among Fig. 6, but this size only is an example, is not limited thereto.
This filter 12 is as Fig. 3 and shown in Figure 6, and the two-sided tape 13 that attaches ring-type in the one side side is as fixed part, in alignment arrangements and including on dividing plate 61 as shown in Figure 6 under this state.
Under this state, filter 12 covers the peristome 11c of filter support 11.
It is bigger slightly than the external diameter Φ b (with reference to Fig. 2) of unit rack 8 that filter support 11 forms its internal diameter Φ a (with reference to Fig. 5).
Therefore, can filter section 10 be installed with respect to unit rack 8 by the leading section that filter support 11 can be embedded hardly with rocking unit rack 8.
In this embed to be installed, if filter section 10 is fully pushed to unit rack 8, the outer surface 8bt butt of the inner surface 11bu (with reference to Fig. 5) of the bottom 11b of filter support 11 and the bottom surface sections 8b of unit rack 8 then.
Fig. 4 represents filter section 10 is embedded the state of the leading section of unit rack 8.
Fig. 7 is the cutaway view of the earplug cover 6 of embodiment.Size has been shown among Fig. 7, but this size only is an example, is not limited thereto.
Through hole 6a is installed at earplug cover 6 under the state of receiver portion 3 and will emits from 6k1 side direction outside, an end from the sound of loudspeaker unit 7.
Through hole 6a has the different a plurality of positions of diameter.
If begin to specifically describe from the other end 6k2 side of base portion 6k, then have: can engage the inwardly square outstanding all ribs in ground with the slot 3b of receiver portion 3 and promptly engage protuberance 6b; UH holding section 6c with the internal diameter Φ f formation bigger and slightly littler than the external diameter Φ b of unit rack 8 than the internal diameter Φ e of engaging protuberance 6b; FH holding section 6d with the internal diameter Φ d formation bigger and littler than the external diameter Φ c (with reference to Fig. 5) of filter support 11 than the internal diameter Φ f of UH holding section 6c; The 6k1 of portion opening and at one end than the peristome 11c of the filter support 11 open pore 6e that becomes of ninor feature slightly.
In addition, UH holding section 6c and FH holding section 6d are continuous, and the mode that can not enter between them with other positions forms.
Then, the installation procedure about the filter section in the assembly process of earphone 50 10 uses detailed descriptions such as Fig. 2.
At first, filter section 10 is embedded unit rack 8 and installs from arrow D1 direction (with reference to Fig. 4).
Then, while make earplug cover 6 be out of shape from the top embedding of the filter section 10 that embeds receiver portion 3 and be pressed in the mode of expanding its other end 6k2 side.
In addition, the length L 1 of the axis CL6 direction of FH holding section 6d is set at longer than the length L 2 of the axis CL11 direction of filter support 11, be installed under the state of receiver portion 3 in the precalculated position at earplug cover 6, the surrounding wall portion 11a of filter support 11 embeds FH holding section 6d.
That is, filter section 10 is held on arbitrary position of the axis CL6 of FH holding section 6d direction.
The outer surface 8bt butt of the bottom surface sections 8b of the inner surface 11bu (with reference to Fig. 5) of the bottom 11b of filter support 11 and unit rack 8 under this state.
In addition, filter section 10 is subjected to from earplug cover 6 as described above towards the compression stress of direction inboard, footpath.
In addition, the internal diameter Φ f of UH holding section 6c forms slightly little with respect to the external diameter Φ b of unit rack 8, so UH holding section 6c pushes unit rack 8 radius vector direction inboards.
Be installed at earplug cover 6 under the state of front of unit rack 8 and receiver portion 6, the internal diameter of the peristome 6e of earplug cover 6 is littler than the profile of filter section 10, and filter section 10 can not overlapped 6 from earplug and be broken away from.
The filter support 11 of An Zhuaning is positioned between the end 6k1 of the outer surface 8bt (with reference to Fig. 3) of bottom surface sections 8b of unit rack 8 and earplug cover 6 as mentioned above, is positioned at its bottom 11b under the attitude of opposition side of UH holding section 6c to remain in base portion 6k.
And filter 12 is adjusted from the acoustic characteristic of the sound of these earphone 50 outputs, on the other hand, prevents that earwax etc. from invading unit rack 8 sides from the outside.
Fig. 8 is that expression makes the front end of filter support 11 capping unit supports 8 and earplug cover 6 is installed on the partial sectional view of the state in precalculated position.
Among Fig. 8, represent the object line of filter support 11 with double dot dash line.As can be seen from Figure 8, surrounding wall portion 11a engages with the FH holding section 6d of earplug cover 6 and embeds.
Under the situation that filter 12 is stopped up by dust, earwax etc. waiting by long use, can utilize method as follows to change filter 12.
With with the identical order of replacing of general earplug cover 6, the engaging protuberance 6b of the through hole 6a of expansion earplug cover 6 extracts from receiver portion 3.
At this moment, because stage portion 6d1 (with reference to Fig. 7) butt of the end face 11a1 (with reference to Fig. 5) of the surrounding wall portion 11a in the filter support 11 of filter section 10 and the other end 6k2 side of FH holding section 6d, so filter section 10 fastenings and remain in FH holding section 6d and directly extract from receiver portion 3 with earplug cover 6.
Then, replace, the earplug cover 6 that the filter section 10 that will have a unplugged filter 12 is installed on the 6d of FH holding section is installed on unit rack 8 and receiver portion 3.
Perhaps, make the peristome 6a of the earplug cover of extracting 6 be out of shape and pull down the filter 12 of mesh obstruction, the filter section 10 that will have the unplugged filter 12 of mesh is installed on FH holding section 6d, is installed on unit rack 8 and receiver portion 3 once more.
With in advance after the earplug cover 6 that filter section 10 is installed on the 6d of FH holding section is installed on unit rack 8 and receiver portion 3, filter support 11 becomes up state at predetermined installation site capping unit support 8.This state with in advance filter support 11 is covered in unit rack 8 after that earplug cover 6 is installed on the situation of receiver portion 3 is identical, without any variation, therefore also can utilize earplug cover 6 itself once more.
Certainly, filter 12 comprise PET net and under the situation capable of washing, filter 12 also capable of washing and utilizing again.
The above embodiments are the top installing types that possess loudspeaker unit 7 at the front end of receiver portion 3, even but for the unit intake type of taking in loudspeaker unit 7 in the inside of housing 1, also filter section 10 can be installed similarly.
Under this situation, the external diameter of the front of receiver portion 3 is set at slightly littler than the internal diameter Φ a of the surrounding wall portion 11a of filter support 11, the front end that filter section 10 does not embed receiver portion 3 with rocking gets final product.
The earplug of embodiment cover 6, under the state that is installed on receiver portion, the outer peripheral face of the surrounding wall portion 11a in the filter support 11 and earplug overlap the mode butt that the inner peripheral surface of 6 FH holding section 6d contacts with side face.
In addition, the surrounding wall portion 11a of FH holding section 6d and filter support 11 is chimeric securely, therefore compresses the mode of surrounding wall portion 11a to its application of force with the radius vector direction.
Thus, between filter support 11 and earplug cover 6, produce bigger frictional force,, also be very difficult to occur filter section 10 from the FH holding section 6d skew of earplug cover 6 or the situation that breaks away from even make through hole 6a distortion in order to make earplug cover 6 break away from receiver portion 3.
In addition, the earphone 50 of embodiment, when it is assembled, not while filter section 10 is installed at the internal modification of earplug cover 6, but only be covered in the receiver portion 3 of housing 1, only by earplug cover 6 being installed on receiver portion 3, overlap 6 interior precalculated positions then and can be accommodated in earplug with main points same as the prior art.
Therefore, can not come off in the installation procedure median filter portion 10 of earplug cover 6, assembly manipulation is very easy.
Embodiments of the invention are not limited to above-mentioned formation and order, also can be used as variation in the scope that does not break away from purport of the present invention, and this is self-explantory.
As mentioned above, earphone 50 also can be accommodated in the unit housing formula of the inside of housing 1 for loudspeaker unit 7.
A wherein example has been shown among Fig. 9.The earphone 60 of variation is the unit housing formula, takes in loudspeaker unit 67 in the inside of housing 61.
The through hole 66a of base portion 66k is embedded receiver portion 63, and the engaging protuberance 66b of end is engaged with all groove 63a, make earplug cover 66 be installed on receiver portion 63.
In the filter section 10, the inner peripheral surface of filter support 11 engages hardly with the outer peripheral face of the front of receiver portion 63 with rocking, is installed on the front end of receiver portion 63.
The through hole 66a of earplug cover 66 has the holding section 66c of the internal diameter identical or slightly little with the external diameter of receiver portion 63 and the FH holding section 66d of the internal diameter big and slightly littler than the external diameter of filter support 11 than the internal diameter of holding section 66c from engaging protuberance 66b side, and the surrounding wall portion 11a of filter support 11 is embedded FH holding section 66d.Because the internal diameter of the peristome 66e of the front of earplug cover 66 is fully littler than the external diameter of filter section 10, so filter section 10 can not break away from from the earplug cover.
The earplug of variation cover 66 is under user mode, and the outer peripheral face of the surrounding wall portion 11a in the filter support 11 and earplug overlap the mode butt that the inner peripheral surface of 66 FH holding section 66d contacts with side face.
In addition, the surrounding wall portion 11a of FH holding section 66d and filter support 11 is chimeric securely, therefore compresses the mode of surrounding wall portion 11a to its application of force with the radius vector direction.
Thus, between filter support 11 and earplug cover 66, produce bigger frictional force, even make through hole 66a distortion in order to make earplug cover 66 break away from receiver portion 63, also be very difficult to occur filter section 10 from the FH holding section 66d skew of earplug cover 66 or the situation that breaks away from.
In addition, the earphone 60 of variation is when the mounting ear plug sleeve, not while filter section 10 is installed at the internal modification of earplug cover 66, but only be covered in the receiver portion 63 of housing 61, only by earplug cover 66 being installed on receiver portion 63, just can be accommodated in the precalculated position in the earplug cover 66 then with main points same as the prior art.
Therefore, can not come off in the installation procedure median filter portion 10 of earplug cover 66, assembly manipulation is very easy.
Also can form and profile forms the roughly structure of circular cone shape by polyurethane material of low foaming etc.
The fixed part 13 that filter 12 is fixed in filter support 11 is not limited to two-sided tape.It for example also can be bonding agent.
The cross sectional shape of receiver portion 3 can not be cylindric also.For example, the cross section also can be an ellipticity, polygon-shaped.
In addition, the cross sectional shape of base portion 6k that is installed on the earplug cover 6 of receiver portion 3 can not be cylindric also.For example, the cross section also can be ellipticity, polygon-shaped.
In addition, filter support 11 no matter receiver portion 3 cross sectional shape why, form in the mode that does not embed its leading section with rocking and to get final product.
In addition, the FH holding section 6d of filter support 11 and earplug cover 6 is if chimeric each other shape, and then cross sectional shape is not limited to circle.
Promptly, earplug overlaps 6 following formation: if convenience establish cross sectional shape the axis when circular be axis CL6, then have the first holding section 6b, the second holding section 6c and three holding section 6d, wherein the first holding section 6b is first distance for the minimum range between the axis of inside square all ribs of giving prominence to and its front end face and described base portion; The second holding section 6c have and axis CL6 between minimum range be that the side face of second distance and this second distance are greater than first distance; The 3rd holding section 6d and second holding section form continuously and have and axis CL6 between minimum range greater than the side face of described second distance.
Claims (3)
1. an earplug cover is installed in from the outstanding receiver portion of the housing of earphone, it is characterized in that, comprising:
Base portion has through hole, and forms ring-type; And
Filter section, have filter support and filter, wherein said filter support has the bottom that is provided with peristome and reaches the surrounding wall portion that forms from the periphery of described bottom with erecting, and described filter is installed on described filter support in the mode that covers described peristome
Described through hole has successively from described case side under the state that is installed on described receiver portion:
First holding section, this first holding section are inwardly square outstanding all ribs, and the minimum range between the axis of its front end face and described base portion is first distance;
Second holding section, this second holding section have and described axis between minimum range be the side face of second distance, wherein this second distance is greater than described first distance; And
The 3rd holding section forms continuously with described second holding section, have and described axis between minimum range greater than the side face of described second distance,
The attitude that described filter section engages with described the 3rd holding section with described surrounding wall portion and described bottom is positioned at the opposition side of described second holding section is held in described base portion.
2. an earphone is equipped with the earplug cover, it is characterized in that, comprising:
Housing;
The receiver portion of tubular forms from described housing is outstanding, and has all grooves;
Loudspeaker unit is with the front end face butt of described receiver portion and dispose;
Unit rack has the bottom that is provided with louver and from first surrounding wall portion that the periphery of described bottom forms with erecting, embeds the front of described loudspeaker unit and described receiver portion in the inboard of described first surrounding wall portion, thereby is installed in described receiver portion; And
Filter section, have filter support and filter, and embedding is fixed on the front of described unit rack, described filter support has the bottom that is provided with peristome and reaches second surrounding wall portion that forms from the periphery of described bottom with erecting, described filter is installed on described filter support in the mode that covers described peristome
Described earplug cover has base portion and from distolateral first holding section that forms successively of described base portion, second holding section and the 3rd holding section, and described earplug cover is installed on described receiver portion, wherein said base portion has through hole, and form ring-type, described first holding section is inwardly square outstanding all ribs, and the minimum range between the axis of its front end face and described base portion is first distance, described second holding section have and described axis between minimum range be side face greater than the second distance of described first distance, described the 3rd holding section and described second holding section form continuously and have and described axis between minimum range greater than the side face of described second distance
Described first holding section engages with described all grooves, the described first surrounding wall portion butt of described second holding section and described unit rack, and described second surrounding wall portion and described the 3rd holding section of described filter support are chimeric.
3. an earphone is equipped with the earplug cover, it is characterized in that, comprising:
Housing;
The receiver portion of tubular forms from described housing is outstanding, and has all grooves;
Loudspeaker unit is accommodated in the inside of described housing; And
Filter section, have filter support and filter, and embedding is fixed on the front of described unit rack, described filter support has the bottom that is provided with peristome and reaches second surrounding wall portion that forms from the periphery of described bottom with erecting, described filter is installed on described filter support in the mode that covers described peristome
Described earplug cover has base portion and from distolateral first holding section that forms successively of described base portion, second holding section and the 3rd holding section, and described earplug cover is installed on described receiver portion, wherein said base portion has through hole, and form ring-type, described first holding section is inwardly square outstanding all ribs, and the minimum range between the axis of its front end face and described base portion is first distance, described second holding section have and described axis between minimum range be side face greater than the second distance of described first distance, described the 3rd holding section and described second holding section form continuously and have and described axis between minimum range greater than the side face of described second distance
Described first holding section engages with described all grooves, the outer peripheral face butt of described second holding section and described receiver portion, and described second surrounding wall portion and described the 3rd holding section of described filter support are chimeric.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-294483 | 2009-12-25 | ||
| JP2009294483 | 2009-12-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102111695A true CN102111695A (en) | 2011-06-29 |
| CN102111695B CN102111695B (en) | 2014-06-25 |
Family
ID=44175695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010563509.9A Active CN102111695B (en) | 2009-12-25 | 2010-11-25 | Earplug cover and earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102111695B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103369421A (en) * | 2012-03-30 | 2013-10-23 | 莫列斯公司 | Earphone and method of manufacturing same |
| CN103999486A (en) * | 2011-12-20 | 2014-08-20 | 唯听助听器公司 | Hearing aid with a bushing for an ear wax guard |
| CN105282665A (en) * | 2014-07-16 | 2016-01-27 | 宏达国际电子股份有限公司 | Micro-speaker |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4447577A (en) * | 1982-04-21 | 1984-05-08 | Alpha Corporation Of Tennessee | Emulsions of dicyclopentadiene containing polyesters |
| US5887070A (en) * | 1992-05-08 | 1999-03-23 | Etymotic Research, Inc. | High fidelity insert earphones and methods of making same |
| US20020006209A1 (en) * | 2000-03-13 | 2002-01-17 | Sarnoff Corporation | Flexible hearing aid tip with an integral receiver |
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2010
- 2010-11-25 CN CN201010563509.9A patent/CN102111695B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4447577A (en) * | 1982-04-21 | 1984-05-08 | Alpha Corporation Of Tennessee | Emulsions of dicyclopentadiene containing polyesters |
| US5887070A (en) * | 1992-05-08 | 1999-03-23 | Etymotic Research, Inc. | High fidelity insert earphones and methods of making same |
| US20020006209A1 (en) * | 2000-03-13 | 2002-01-17 | Sarnoff Corporation | Flexible hearing aid tip with an integral receiver |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103999486A (en) * | 2011-12-20 | 2014-08-20 | 唯听助听器公司 | Hearing aid with a bushing for an ear wax guard |
| CN103369421A (en) * | 2012-03-30 | 2013-10-23 | 莫列斯公司 | Earphone and method of manufacturing same |
| CN103369421B (en) * | 2012-03-30 | 2016-04-27 | 莫列斯公司 | Earphone and manufacture method thereof |
| CN105282665A (en) * | 2014-07-16 | 2016-01-27 | 宏达国际电子股份有限公司 | Micro-speaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102111695B (en) | 2014-06-25 |
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