CN104956085B

CN104956085B - Air compressor is constructed

Info

Publication number: CN104956085B
Application number: CN201380069836.0A
Authority: CN
Inventors: 周文三
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-02-07
Filing date: 2013-02-07
Publication date: 2017-09-05
Anticipated expiration: 2033-02-07
Also published as: EP2955383B1; PL2955383T3; WO2014121496A1; DK2955383T3; JP2016505114A; KR20150090228A; EP2955383A1; CN104956085A; HUE045324T2; EP2955383A4; JP6169726B2

Abstract

A kind of air compressor construction, it can allow air compressor to set extra pressure safety valve that the compressed air exported in running can be made to be maintained in the range of safe pressure value, the piston head (61) of piston body (6) top end one opening port of formation and cave inward and be formed with the buffering of a bottom wall and perisporium and receive air drain (60), make piston body (6) in the cylinder (3) of air compressor during progress reciprocating fashion, it can be maintained to being inflated article in safe range of pressure values, with safety in utilization, pressure safety valve need not additionally be added, reduce manufacturing cost, and the piston body (6) of air compressor carries out moving along a straight line when being located at top dead-centre in cylinder (3), the piston head (61) of piston body (6) can have a cushion space relative between cylinder (3) inner top wall, so that the piston body applied to such a cylinder more reaches the benefit of smooth operation.

Description

Air compressor is constructed

Technical field

The present invention relates to a kind of air compressor construction, referring in particular to a kind of piston body of air compressor can allow with one The buffering that the compressed air that compressor in action is exported is positively retained in the range of safe pressure value receives air drain, and this kind design can Allow existing air compressor to set up pressure safety valve again, manufacturing cost can be reduced.

Background technology

Air compressor is a kind of equipment that can be inflated object to be inflatable product, is typically widely used in air cushion, tire Deng inflation purposes, because air compressor small volume is easy to be carried placement, while can also be supplied by portable dc source Answer device or be connected at automobile cigarette lighter socket, it is possible to provide the electrical source of power of air compressor, it is upper quite simple operating and using It is easily convenient.In general, the primary structure of existing air compressor is to drive a piston body to be carried out in cylinder by a motor Shuttle compressed action, compressed air can be then delivered to by cylinder in gas storage seat, then the manifold on gas storage seat connects The transporting hose connect is connected on object to be inflatable product, to reach the purpose of inflation.The construction of existing air compressor, one is living The piston head of cock body is solid state；Furthermore, blowing plant is provided with a pressure safety valve, the purpose master of such a design If if because the pressure value of produced pressure-air has gone beyond the safe pressure value set by object to be inflatable product, pressure peace Full valve can be acted automatically, and the pressure-air inside air storage chamber is discharged outside machine, not further into object to be inflatable, to safeguard The security of blowing plant and object to be inflatable, so also due to setting up such a pressure safety valve, therefore makes dealer's increase manufacture Cost, is not inconsistent economic benefit.

The present inventor has lacking for increase manufacturing cost in view of additonal pressure safety valve in blowing plant Lose, but thoughts on manufacture blowing plant also need by the protective effect of pressure safety valve be classified as indispensable consideration because Element, is meticulous R ＆ D design for this, and one kind is developed finally and is required for pressure safety valve but adds pressure with existing product The blowing plant of the protecting effect of power safety valve, this case is produced therefrom.

The content of the invention

The technical problems to be solved by the invention are that providing a kind of air compressor constructs, and it, which need not additionally be set, has The pressure safety valve of protective effect, you can with safeguard protection effect.

In order to solve the above technical problems, the technical solution of the present invention is：

A kind of air compressor construction, comprising：One box body, the tray interior is equiped with an air compressor, the air pressure Contracting machine has a piston body that can be driven and moved back and forth up and down in cylinder by motor, and the piston head of the piston body is provided with One vent cap run through simultaneously while there is a buffering to receive air drain.

The piston body includes the piston head and a piston rod described in one, and the piston head is formed with described buffering in top Receive air drain, the buffering receives the top of air drain and for opening and to piston head inner recess and is formed with a bottom wall and perisporium, in bottom wall Provided with one the vent cap and a snap seats that air drain is connected are received with buffering；One elastic spring is installed in foregoing buffering In the snap seats received in air drain.

It is described buffering receive air drain its periphery be open piston head top formation one tabular surface top end wall, by top end wall Down extension forms on the base end wall of the piston head, the periphery wall between the top end wall and base end wall of piston head and is additionally provided with a depression Ring groove, the ring groove and buffering are received air drain and are not communicated with；The first end of a piston rod is connected to by the base end wall of piston head, should The tail end of piston rod, i.e. the second end are simultaneously provided with a pivoted hole；One gas-tight ring, it acts on the function of similar o-ring, and it is installed In the ring groove of foregoing piston head.

The piston body includes the piston head and a piston rod described in one, and the top of a tabular surface is formed in piston head top Wall, by top end wall provided with a vent cap for running through piston head；Separately from top end wall is to piston head inner recess and is formed There is one to receive air drain with the disconnected buffering of vent cap；One snap seats are also located on the top end wall, elastic spring installing In snap seats on foregoing top end wall, the elastic spring can close foregoing vent cap.

The cylinder has a roof in cylinder interior room top, and the roof has one that a passage can be above insertion to cylinder Gas storage seat, is provided with several manifolds, wherein a manifold can connect a flexible pipe in gas storage seat；Another manifold links a pressure display table； An also manifold then installs a discouraged valve group, and the soft lid of a shape for hat is provided with the inner terminal for valve group of losing heart；At the passage in gas storage seat Provided with a valve seat and the spring being butted on above the valve seat.

The flexible pipe linked with manifold is incorporated in box body and closed by an open-close cover.

The box body is switched as the action for starting or closing air compressor provided with a switching, and air compressor The push rod that can be emerging on the inside of the outer surface of box body, another touch switch of pressure display table then may pass through a bolt and contradict sky The soft lid of shape for hat of discouraged valve group on air compressor.

When the piston body that reciprocating is carried out in the cylinder is located at top dead-centre, the piston head of piston body is relative to cylinder There is a cushion space between inner top wall.

After such scheme, air compressor construction of the present invention, due to the air compressor in its box body The piston head of piston body possesses the vent cap run through, and is provided with a buffering and receives air drain, makes piston body in air compressor The air pressure that progress oscillating rectilinear motion is persistently produced in cylinder will not go beyond the safe pressure value of inflated article, allow Air compressor need not additionally set the pressure safety valve with protective effect, you can inflated article is maintained at safe pressure In the range of force value, not only with safety in utilization, in it need not additionally add the design of pressure safety valve, there is reduction manufacture again The economic benefit of cost.

In addition, the set piston body of air compressor construction of the present invention is located in progress reciprocating in cylinder During top dead-centre, the piston head of piston body is relative to that can there be a cushion space again between cylinder internal roof, so that being applied to The piston body of such a cylinder more reaches the benefit of smooth operation.

Brief description of the drawings

Fig. 1 is the box body stereogram of blowing plant of the present invention；

Fig. 2 is another angle level schematic diagram of box body of the invention；

Fig. 3 is air compressor stereogram of the invention；

Fig. 4 is the three-dimensional exploded view of inventive piston body；

Fig. 5 is the sectional axonometric drawing of inventive piston body；

The extraneous air of air compressor is sucked circulation schematic diagram by Fig. 6 for the piston body backward travel of the present invention；

Compressed air circulation schematic diagram when Fig. 7 acts for the piston body forward stroke of the present invention；

Another angle schematic diagram when Fig. 8 acts for the piston body forward stroke of the present invention；

Fig. 9 is another embodiment of the present invention figure；

Figure 10 is another angular profile schematic diagram of the invention；

Figure 11 is another construction piston body three-dimensional exploded view of the invention；

Figure 12 is another construction piston body sectional axonometric drawing of the invention；

Figure 13 is for another construction piston body backward travel of the invention by the extraneous air of air compressor by air intake Suction circulation schematic diagram；

Compressed air circulation schematic diagram when Figure 14 acts for another construction piston body forward stroke of the present invention.

【Symbol description】

1 box body 11 switching 12 pressure display tables of switch

The flexible pipe of 13 touch switch, 131 push rod 14

The motor of 15 open-close cover, 20 machine plate 21

The cam pin of 22 little gear, 23 gear wheel 24

The roof of 3 cylinder, 31 cylinder interior room 32

The gas storage of 33 passage, 34 inner peripheral wall 4 seat

The manifold of 41 manifold, 42 manifold 43

The spring of 44 valve seat, 45 air storage chamber 46

The 5 soft bolts of lid 52 of the discouraged shape for hat of valve group 51

6 piston bodies 60 buffering is received air drain 601 and is open

The vent cap of 602 bottom wall, 603 perisporium 604

The top end wall of 605 snap seats, 61 chock plug 611

The first end of 612 base end wall, 62 piston rod 621

The ring groove of 622 second end, 63 pivoted hole 64

The piston body of 65 gas-tight ring, 66 reed 7

70 buffering receive air drain 701 be open 702 vent caps

The base end wall of 71 piston head, 711 top end wall 712

The first end of 713 snap seats, 72 piston rod 721

The gas-tight ring of 73 pivoted hole, 74 ring groove 75

76 reeds

Embodiment

In order to further disclose the technological means of the present invention, now with specific embodiment, the present invention will be described in detail.

Fig. 1,3 and Fig. 6 are please refer to, is the air compressor construction in the present invention, it includes a box body 1, the box body 1 Inside is equiped with an air compressor (as shown in Figure 3), and the air compressor has one can provide the cylinder 3 of the running of piston body 6 And one can provide the machine plate 20 of the fixation of motor 21, the machine plate 20 can fix the actuating unit of air compressor, and the actuating unit contains The cam pin 24 included on motor 21, the little gear 22 of drive applications and gear wheel 23, the gear wheel 23 links the piston body 6.By motor 21 drive air compressor actuating unit and make piston body 6 piston head 61 can cylinder 3 inner peripheral wall Reciprocating compressed action is carried out in 34, compressed air can elapse valve seat 44 to be compressed spring 46 via passage 33, Compressed air is set to enter in gas storage seat 4.The main architectural feature of the present invention is the piston head 61 in piston body 6 provided with one The vent cap 604 that runs through and while have a buffering to receive air drain 60, makes piston body 6 be carried out in the cylinder 3 of air compressor The air pressure that oscillating rectilinear motion is persistently produced will not go beyond the safe pressure value of inflated thing, allow air compressor not Pressure safety valve with protective effect must be additionally set, and not only user is more convenient to being inflated the operation that thing is inflated, And inflated thing can be protected.

Fig. 4 and Fig. 5 is refer to, the set piston body 6 of air compressor construction of the present invention includes a piston head 61 and living Stopper rod 62, the top of piston head 61 is formed with and for opening 601 and to the inner recess of piston head 61 and is formed with a bottom wall 602 at one end And the buffering of perisporium 603 receives air drain 60, the bottom wall 602 received in air drain 60 in buffering provided with a vent cap 604 run through and One snap seats 605, the buffering receive air drain 60 its be open 601 periphery the top of piston head 61 formed a tabular surface top end wall 611, down extend the base end wall 612 for forming the piston head 61 by top end wall 611, in the top end wall 611 of piston head 61 and bottom The ring groove 64 of a depression is additionally provided with periphery wall between wall 612, the ring groove 64 receives air drain 60 to be not communicated with state with buffering. The first end 621 of a piston rod 62 with certain length, the tail of the piston rod 62 are connected to by the base end wall 612 of piston head 61 End, i.e., the second end 622 is simultaneously provided with a pivoted hole 63.One gas-tight ring 65, it acts on the function of similar o-ring, and it can be installed In the ring groove 64 of foregoing piston head 61.One elastic spring 66 can be installed in the foregoing snap seats for buffering and receiving in air drain 60 On 605.

The actual use of the air compressor of the present invention see Fig. 3 and Fig. 6 to Fig. 8, and the cylinder 3 is pushed up in cylinder interior room 31 End has a roof 32, the roof 32 have a passage 33 can insertion to the gas storage seat 4 of the top of cylinder 3, be provided with gas storage seat 4 Several manifolds 41,42 and 43 (manifold 43 refers to Figure 10), manifold 41 can connect a flexible pipe 14；Manifold 42 links a pressure display table 12；Manifold 43 then installs a discouraged valve group 5, and the soft lid 51 of a shape for hat is provided with the inner terminal for valve group 5 of losing heart.In in gas storage seat 4 Provided with said valve seat 44 and the spring 46 being butted on above the valve seat 44 at passage 33.Whole air compressor can be assembled into Within foregoing box body 1, wherein the box body 1 (can be with reference to Fig. 1) physically be provided with one switching switch 11 as start or The action of air compressor is closed, and the pressure display table 12 of air compressor can be emerging in the outer surface of box body 1, another touch-control The push rod 131 of the inner side of switch 13 then may pass through a bolt 52 and contradict the soft lid 51 of shape for hat of the discouraged valve group 5 on air compressor, In the state of higher pressure force value is obviously presented in inflated thing, user can press touch switch 13 to press gas bleeder valve easily Group 5 the soft lid 51 of shape for hat, the soft lid 51 of the shape for hat can by compression and allow inflated thing overpressure by installing this gas bleeder valve The manifold 43 of group 5 releases.The flexible pipe 14 that manifold 41 is linked can be incorporated in box body 1, and is sealed by an open-close cover 15 (as shown in Figure 2) is closed, the aesthetic property of collection is reached.

The piston body 6 of air compressor can carry out oscillating rectilinear motion in cylinder 3, can when rushing stroke on piston body 6 In the air storage chamber 45 that the air of cylinder interior room 31 is pushed to gas storage seat 4, and then it can be exported by the flexible pipe 14 of manifold 41 to waiting to fill Gas thing；During 6 undershoot stroke of piston body, then external air can be allowed to use as a servant dynamic elasticity via the vent cap 604 run through of piston head 61 Reed 66 simultaneously passes into cylinder interior room 31, and so going round and beginning again can be by object to be inflatable top off.Relevant piston body 6 is in vapour The operating state that cylinder interior room 31 is compressed air can be with reference to Fig. 6 and Fig. 7.Because inventive piston first 61 is received provided with buffering Air drain 60, when rushing stroke to top dead-centre on piston body 6, although the top end wall 611 of piston head 61 is butted on the top of cylinder interior room 31 Roof 32, but can allow to be equal to and receive the compressed air of air drain volume and there is cylinder interior room because buffering receives the presence of air drain 60 In 31, such a design can not only allow piston body 6 more to increase the smoothness of running because reducing resistance, also simultaneously can in gas replenishment process It is maintained to being inflated thing in safe range of pressure values, with safety in utilization.Certainly, piston body 6 of the invention can also be answered Used in a cylinder 3, Fig. 9 is referred to, when the piston body 6 of air compressor is located at top dead-centre in carrying out moving along a straight line in cylinder 3, The piston head 61 of piston body 6 has a cushion space 31 relative between the inner top wall 32 of cylinder 3, makes to be applied to such a cylinder 3 Piston body 6 more can reach the benefit of smooth operation.

The present invention piston body 7 also can be as shown in Figure 11 to Figure 12 embodiment, the piston body 7 include a piston head 71 and Piston rod 72, forms the top end wall 711 of a tabular surface in the top of piston head 71, which is provided with a vent cap 702, one run through Snap seats 713 and at one end for opening 701 and to the inner recess of piston head 71 and to be formed with one disconnected with vent cap 702 Buffering receives air drain 70, and top end wall 711 down extends the base end wall 712 for forming the piston head 71, in the top end wall of piston head 71 The ring groove 74 of a depression is additionally provided with periphery wall between 711 and base end wall 712, the ring groove 74 receives air drain 70 also with buffering To be not communicated with state.The first end 721 of a piston rod 72 with certain length is connected to by the base end wall 712 of piston head 71, The tail end of the piston rod 72, i.e., the second end 722 is simultaneously provided with a pivoted hole 73.One gas-tight ring 75, it acts on the work(of similar o-ring Can, it can be installed in the ring groove 74 of foregoing piston head 71.One elastic spring 76 can be installed on foregoing top end wall 711 Snap seats 713.About such a piston body 7 cylinder interior room 31 be compressed air operating state can with reference to Figure 13 and Figure 14.Because inventive piston first 71 also receives air drain 70 provided with a buffering, when rushing stroke to top dead-centre on piston body 7, although The top end wall 711 of piston head 71 is butted on the roof 32 on the top of cylinder interior room 31, but can allow because buffering receives the presence of air drain 70 It is equal to and receives the compressed air of air drain volume and exist in cylinder interior room 31, such a design can not only allows piston body 7 because reducing resistance And more increase the smoothness of running, it can also be maintained in safe range of pressure values, have to being inflated thing simultaneously in gas replenishment process There is safety in utilization, while can also save the cost for setting up pressure safety valve.

Discussed before overall view, piston body 6 of the invention receives air drain 60 on its piston head 61 provided with buffering compresses whole air Machine need not add a pressure safety valve in addition, can not only reduce manufacturing cost and with economic benefit, allow piston body 6 to be gone in running Smoothness and security are had more in journey, the present invention is real to have novelty and progressive.

Claims

1. a kind of air compressor construction, comprising：One box body, the tray interior is equiped with an air compressor, air compression Machine has a piston body for being driven and moved back and forth up and down in cylinder by motor, and the cylinder has in cylinder interior room top There is a roof, the roof has the gas storage seat above passage insertion a to cylinder, and several manifolds are provided with gas storage seat, wherein One manifold connects a flexible pipe；Another manifold connects a pressure display table；An also manifold then installs a discouraged valve group, it is characterised in that： The soft lid of a shape for hat is provided with the inner terminal for valve group of losing heart；A valve seat is provided with the passage in gas storage seat and is butted on the valve seat The spring of top, the flexible pipe being connected with manifold is incorporated in box body and closed by an open-close cover；The piston body Piston head provided with a vent cap run through and while have a buffering to receive air drain, reciprocating is carried out in the cylinder When piston body is located at top dead-centre, the piston head of piston body is relative to there being a cushion space between cylinder internal roof.

2. air compressor construction as claimed in claim 1, it is characterised in that：The piston body includes the piston head described in one And a piston rod, the piston head is formed with described buffering in top and receives air drain, the buffering receive air drain top for opening and to Piston head inner recess is simultaneously formed with a bottom wall and perisporium, and the ventilation that air drain is connected is received with buffering provided with one in bottom wall Duct and a snap seats；One elastic spring is installed in the foregoing snap seats for buffering and receiving in air drain.

3. air compressor construction as claimed in claim 1, it is characterised in that：The buffering receives the periphery that air drain is open at it Piston head top formed a tabular surface top end wall, down extend the base end wall for forming the piston head by top end wall, in piston It is additionally provided with the ring groove of a depression on periphery wall between the top end wall and base end wall of head, the ring groove and buffering receive air drain not phase It is logical；The first end of a piston rod is connected to by the base end wall of piston head, the tail end of the piston rod, i.e. the second end are simultaneously provided with a pivot Connect hole；One gas-tight ring, it acts on the function of similar o-ring, and it is installed in the ring groove of foregoing piston head.

4. air compressor construction as claimed in claim 1, it is characterised in that：The piston body includes the piston head described in one And a piston rod, form the top end wall of a tabular surface in piston head top, as top end wall provided with one through described in piston head Vent cap；It is another from top end wall is to piston head inner recess and is formed with one with the disconnected buffering of vent cap and receives gas Groove；One snap seats are also located on the top end wall, and an elastic spring is installed in the snap seats on foregoing top end wall, the elastic spring Close foregoing vent cap.

5. air compressor construction as claimed in claim 1, it is characterised in that：The box body is provided with a switching switch conduct Start or close the action of air compressor, and the pressure display table of air compressor is emerging in the outer surface of box body, it is another Push rod on the inside of touch switch then passes through a bolt and contradicts the soft lid of shape for hat of the discouraged valve group on air compressor.