CN100521376C

CN100521376C - Electric connector

Info

Publication number: CN100521376C
Application number: CNB2005100410952A
Authority: CN
Inventors: 马浩云
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2005-07-13
Filing date: 2005-07-13
Publication date: 2009-07-29
Anticipated expiration: 2025-07-13
Also published as: CN1897357A

Abstract

A electric connector (-), mainly uses for electric connecting wafer model group and printing circuit board: the base (-) and several conducting interfaces (-); sets several cocurrent extending interface slots (-) of the jointing surface (-) and the self-jointing surface, the conducting interface corresponds and contains in the interface slot; the conducting interface includes the basic part (-), the arm part (-) corresponding extending from both sides of the basic part, and the touching part (-) locating at the end of the arm, the touching part extends upward and outward along the arm part and expends to the jointing surface of the base in order to increases the distortion space of the conducting interface. As the amelioration of the invention, assembles the cover (-) on the base, the cover is with the hole (-) corresponding the interface slot of the base for protecting the conducting interface.

Description

Electric connector

[technical field]

The present invention relates to a kind of electric connector, refer to a kind of electric connector that electrically connects wafer module and printed circuit board (PCB) that is mainly used in especially.

[background technology]

Electric connector is widely used in computer realm, in order to electrically connect two electronic components that are separated from each other, as wafer module and printed circuit board (PCB), to realize data and signal transmission between the two.

Prior art has disclosed multiple electric connector, and relevant patent sees also in the United States Patent (USP) the 6th, 042 of bulletin on March 28th, 2000, No. 389, in the United States Patent (USP) the 6th of on July 25th, 2000 bulletin, 093, No. 035, in the United States Patent (USP) the 6th, 164 of on December 26th, 2000 bulletin, No. 983, in the United States Patent (USP) the 6th of June 5 calendar year 2001 bulletin, 241, No. 535, and in the United States Patent (USP) the 6th of bulletin on December 4 calendar year 2001,325, No. 644.

Above-mentioned electric connector generally comprises the pin connector and the socket connector of mutual butt joint, some male terminals that pin connector is provided with first insulating body and extends from first insulating body.Socket connector is provided with second insulating body and is contained in some female terminals in second insulating body, and female terminal comprises base portion, a pair of arm that extends from base portion and the contact site that is positioned at the arm end.During use, between two contact sites of the corresponding insertion of the male terminal of pin connector socket connector female terminal, make two contact sites outwards expand in opposite direction; Simultaneously, contact site borrows self strain to be connected on the male terminal, thereby realizes being electrically conducted between pin connector and the socket connector.

But, there is following shortcoming at least in the electric connector of above-mentioned prior art: along with electric connector develops to high density, miniaturization, the terminal groove spacing of socket connector, the height of socket connector are also more and more littler, therefore, be placed in also corresponding being restricted of deformation space of the female terminal in the terminal groove.When the male terminal of pin connector inserted, the contact site of socket connector female terminal because of interfering impairedly with the terminal cell wall, and influenced the electric connection performance of electric connector easily.

In view of above-mentioned drawback, a kind of new-type electric connector of necessary design.

[summary of the invention]

The technical issues that need to address of the present invention provide a kind of electric connector that increases the conducting terminal deformation space.

In order to solve the problems of the technologies described above, electric connector of the present invention comprises pedestal and plurality of conductive terminals, the plurality of terminals groove that pedestal is provided with interface and extends in the same way from interface, and the conducting terminal correspondence is placed in the terminal groove; The arm that conducting terminal comprises base portion, extend relatively from the base portion both sides and be positioned at the contact site of arm end, contact site is along arm makes progress, outwards expansion and part are extended pedestal interface.

With respect to prior art, electric connector of the present invention has the following advantages at least: the contact site of conducting terminal upwards, outwards the pedestal interface is also partly extended in expansion, can therefore can increase the practical distortion space of conducting terminal in adjacent two space internal strains that terminal groove cell wall mid-depth line defines.

As a kind of improvement of electric connector of the present invention, group is provided with lid on the pedestal, the corresponding through hole that is provided with pedestal terminal groove correspondence on the lid, and this setting can be protected the conducting terminal of electric connector.

[description of drawings]

Describe an embodiment of electric connector of the present invention below with reference to accompanying drawings in detail.

Fig. 1 is the three-dimensional exploded view of electric connector of the present invention, and one of them conducting terminal is positioned at outside the pedestal;

Fig. 2 is the stereo amplification figure of conducting terminal among the electric connector circle A of portion shown in Figure 1;

Fig. 3 is the partial sectional view of pedestal shown in Figure 1 along the B-B line, and wherein the stitch of wafer module docks fully with the conducting terminal of electric connector;

Fig. 4 is the assembly drawing of electric connector shown in Figure 1;

Fig. 5 is the partial sectional view of electric connector shown in Figure 4 along the C-C line, and wherein the stitch of wafer module docks fully with the conducting terminal of electric connector.

[embodiment]

Fig. 1 to Fig. 5 shows an embodiment of electric connector 10 of the present invention, mainly in order to electrically connecting wafer module (not shown) and printed circuit board (PCB) (not shown), it comprises pedestal 20, be located in the plurality of conductive terminals 30 in the pedestal 20 and be mounted on cover plate 40 on the pedestal 20.

Describe each parts of electric connector 10 in detail below in conjunction with accompanying drawing, see also Fig. 1 and Fig. 3, pedestal 20 is the rectangular plate shape structures by the insulating material moulding, and it comprises diapire 200 and from upwardly extending four sidewalls 210 of diapire 200 lateral margins.Diapire 200 is provided with the interface 202 of accepting the wafer module and the installed surface 206 relative with interface 202, runs through interface 202 and installed surface 206 and is provided with some terminal grooves 204 that are arranged, and conducting terminal 30 correspondences are located in the terminal groove 204.Two opposite side walls 210 inboards of pedestal 20 are respectively equipped with projection 212, to fasten with the groove 412 that is arranged on cover plate 40 side walls.

Please consult Fig. 2 especially, conducting terminal 30 is to be formed through forging and pressing, punching out by metal sheet, it comprises base portion 300, a pair of arm 302 that extends relatively from base portion 300 both sides respectively, is positioned at the contact site 305 on arm 302 tops, and is positioned at the weld part 306 of base portion 300 lower ends.

It is straight tabular and extend in vertical direction that base portion 300 is, and its both sides, middle part are respectively equipped with a pair of hangnail 308.Weld part 306 is to be formed by the bending of base portion 300 lower ends, can be implanted with tin ball (not shown) on it.Arm 302 extends from base portion 300 bilateral symmetry, and it comprises and is approximately perpendicular to elastic arm 303 that base portion 300 extends and own elasticity arm 303 are bent upwards extension away from base portion 300 1 ends adjutage 304.Contact site 305 makes progress, outwards expands along adjutage 304, and forms the contact-making surface that is smooth arc respectively.

Please in conjunction with reference Fig. 1 and Fig. 5, cover plate 40 also is by the integrated rectangular thin plate columnar structure of insulating material, and it comprises horizontal part 400 and the side wall 410 that extends from horizontal part 400 two opposite sides edge downwards.Running through horizontal part 400 is provided with some and pedestal 20 terminal grooves 204 corresponding through holes 402, through hole 402 comprises the lead-in cavity 403 of guiding stitch 50 and the host cavity 404 that is provided with lead-in cavity 403 perforations, and the dimension D 3 of host cavity 404 on conducting terminal 30 contact sites 305 propagation directions is greater than the dimension D 1 of terminal groove 204 on contact site 305 propagation directions.Side wall 410 is provided with groove 412 corresponding to the projection 212 on pedestal 20 sidewalls 210, so that cover plate 40 is held on the pedestal 20.

Describe the assembling process of electric connector 10 in detail below in conjunction with accompanying drawing, see also Fig. 3 to shown in Figure 5, conducting terminal 30 inserts in the corresponding terminal groove 204 from top to bottom, the base portion 300 of conducting terminal 30 is resisted against on the cell wall of terminal groove 204, the hangnail 308 that extends from conducting terminal 30 base portions 300 both sides and the sidewall interference engagement of terminal groove 204, thus conducting terminal 30 stably is immobilizated in the corresponding terminal groove 204.When conducting terminal 30 was inserted in the terminal groove 204 fully, contact site 305 parts of conducting terminal 30 were extended the interface 202 of pedestal 20.At last, cover plate 40 is held on the pedestal 20, the projection 212 and the groove on cover plate 40 side walls 410 412 that are arranged at pedestal 20 sidewalls 210 inboards fasten, and the through hole 402 of cover plate 40 is corresponding with the terminal groove 204 on the pedestal 20.

The partial sectional view of electric connector 10 when Fig. 3 is not held on the pedestal 20 for cover plate 40, wherein terminal groove 204 is of a size of D1 on conducting terminal 30 contact sites 305 propagation directions, and the cell wall thickness of terminal groove 204 is D2.When wafer dies assembling was located on the electric connector 10, its stitch 50 inserted between two contact sites 305 of conducting terminals 30 and pushes contact site 305 and outwards be out of shape; Simultaneously, contact site 305 borrows self-deformation elasticity to be connected on the stitch 50, electrically conducts thereby form between stitch 50 and conducting terminal 30.Because contact site 305 parts of conducting terminal 30 are extended the interface 202 of pedestal 20, the space that contact site 305 practical distortion spaces are defined by D1 increases to the space that D1+D2 defines, and promptly the practical distortion of contact site 305 is limited in the scope D that the center line E-E of adjacent two terminal grooves, 204 cell wall thickness defines.It is to be noted: what the number of the conducting terminal 30 that electric connector 10 is accommodated was big more, terminal groove 204 is arranged is fine and close more, and the present invention is just obvious more for the effect of the deformation space that increases conducting terminal 30.

Fig. 5 is the partial sectional view of electric connector 10 after cover plate 40 is held on the pedestal 20, and for convenience of explanation, through hole 402 and conducting terminal 30 that the stitch 50 of wafer module has passed cover plate 40 dock fully.Wherein the size of terminal groove 204 on conducting terminal 30 contact sites 305 propagation directions still is D1, and the host cavity 404 of cover plate 40 through holes 402 is of a size of D3 on conducting terminal 30 contact sites 304 propagation directions.Because contact site 305 parts of conducting terminal 30 are extended the interface 202 of pedestal 20, the practical distortion space of conducting terminal 30 contact sites 305 is limited by the host cavity 404 of cover plate 40, promptly is limited in the space that D3 defines.At this moment, this setting can not only increase the practical distortion space of conducting terminal 30 contact sites 305, can also effectively protect conducting terminal 30 simultaneously.

Should be pointed out that the above only is an a preferred embodiment of the present invention, for the person of ordinary skill of the art, other improvement made under the prerequisite that does not break away from the principle of the invention and distortion also should be considered as protection scope of the present invention.

Claims

1. electric connector, it comprises pedestal and plurality of conductive terminals, pedestal is provided with interface and the installed surface relative with interface, the plurality of terminals groove extends to installed surface from interface, conducting terminal is corresponding to be located in the terminal groove, the a pair of arm that conducting terminal comprises base portion, extends relatively from the base portion both sides, and the contact site that is positioned at the arm end is characterized in that: the contact site of described conducting terminal makes progress, outwards expands and partly extend the interface of pedestal along arm.

2. electric connector according to claim 1, it is characterized in that: group is provided with cover plate on the described pedestal, cover plate is provided with the through hole with pedestal terminal groove correspondence, through hole comprises lead-in cavity and the host cavity that connect to be provided with lead-in cavity, and host cavity in the size of conducting terminal contact site propagation direction greater than the size of terminal groove at conducting terminal contact site propagation direction.

3. electric connector according to claim 2, it is characterized in that: described cover plate is provided with some side walls, wherein the two opposite sides wall is respectively equipped with groove, and described pedestal is provided with some sidewalls, and the corresponding projection that can fasten the cover plate groove that is provided with on two opposing sidewalls wherein.

4. electric connector according to claim 1 is characterized in that: described conducting terminal arm comprises that the elastic arm that extends perpendicular to base portion and own elasticity arm are bent upwards the adjutage of extension away from base portion one end, contact site along adjutage make progress, outwards expansion.

5. electric connector according to claim 1 is characterized in that: described conducting terminal contact site is smooth arc setting.

6. electric connector, in order to electrically connect the some electronic components that extend stitch in the same way of tool, this electric connector comprises pedestal and plurality of conductive terminals; Pedestal is provided with the interface and the installed surface relative with interface of accepting electronic component, and the plurality of terminals groove extends to installed surface from interface, has cell wall between the terminal groove, and conducting terminal is corresponding to be located in the terminal groove; Conducting terminal comprises base portion, a pair of arm that extends from the base portion both sides, and the contact site that is positioned at the arm end, it is characterized in that: the contact site of described conducting terminal partly extends the interface of pedestal, and stretches out and be positioned at the scope that the center line of two cell wall thickness of the terminal groove of accommodating this conducting terminal defines.

7. electric connector according to claim 6, it is characterized in that: group is provided with cover plate on the described pedestal, cover plate is provided with the through hole with pedestal terminal groove correspondence, greater than the size of terminal groove at conducting terminal contact site propagation direction, described electronic component stitch passes the contact site butt joint of the through hole and the corresponding conducting terminal of cover plate to through hole in the size of conducting terminal contact site propagation direction.

8. electric connector according to claim 7, it is characterized in that: described cover plate is provided with some side walls, wherein the two opposite sides wall is respectively equipped with groove, and described pedestal is provided with some sidewalls, and the corresponding projection that can fasten the cover plate groove that is provided with on two opposing sidewalls wherein.

9. according to any described electric connector in the claim 6-8 item, it is characterized in that: described conducting terminal arm comprises the elastic arm that extends perpendicular to base portion and own elasticity arm are bent upwards extension away from base portion one end adjutage.

10. according to any described electric connector in the claim 6-8 item, it is characterized in that: the contact site of described conducting terminal is smooth arc setting.