CN2186454Y

CN2186454Y - Electric adapter

Info

Publication number: CN2186454Y
Application number: CN 94204309
Authority: CN
Inventors: 徐福裕
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-02-23
Filing date: 1994-02-23
Publication date: 1994-12-28
Anticipated expiration: 2004-02-23

Abstract

The utility model provides a new zero insertion socket. The contact terminal of the utility model is disconnected into longer and shorter elastic support parts when foil is punched and formed, and a first and a second contact parts are respectively formed above the two support parts in an opposing and cross mode; the longer elastic support part is made to form a larger bending part, the shorter elastic support part is bent into a smaller bending part, the first and the second contact parts are respectively arranged at both sides, and are provided with electrically-conductive surfaces simultaneously. Thus, the utility model has the advantages of convenient assembly and favorable contact and conduction, and the contact parts are braced by two stages so that friction resistance is reduced and service life is increased.

Description

Electric adapter

The utility model is about a kind of electric connector, especially refer to a kind of zero insertion force socket, it is by being arranged at being displaced sideways of slide on the jack body, the contact stitch of PGA packing can be contacted with the terminal of particular design in the socket smoothly, it is convenient and the contact conducting is good to make it have a combination, and can increase the zero insertion force socket (ZIF SOCKET) in useful life.

PGA(Pin gird arrays) characteristic of socket is to provide the user to change assembling voluntarily, that is under the situation that need not use any instrument, can change PGA packing (Packages) with rapid convenient mode, another characteristic for pga socket is replaceable PGA electronic packaging for need not to rely on the know-how personnel, eliminate trade-in to reach, promote the purpose of quality.

So zero insertion force socket (ZIF SOCKET) has more practicality and convenience than low insertion force socket in the use; And at present disclosed zero insertion force socket includes: United States Patent (USP): the 4th, 498, No. 725, the 4th, 988, and No. 310; Japan Patent: 1-47430 number, 2-197017 and TaiWan, China: 80208893rd, No. 81104728 etc., but the socket of these prior arts all has when its operation and contact and improves part not to the utmost; Shown in the representative example among Fig. 9 and Figure 10, has the contact terminal 1 that is disposed in a kind of mode like this, the contact site 11 of its top forms the curved Zhe elastomer of a deflection, and contact terminal 1 is fixed in the jack body 2, and jack body 2 tops are provided with the slide 3 that can be displaced sideways, the contact stitch 41 of this PGA packing 4 runs through the embedded hole 31 of slide and gos deep in the jack body 2, and shown in Figure 10 (A), contact stitch 41 does not touch the schematic diagram of conducting as yet with terminal 1 contact site 11; Shown in Figure 10 (B), contact stitch 41 is displaced sideways by slide 3, and move right to the conducting end 11a of contact site 11, shown in Figure 10 (C), when contact stitch 41 is pushed guide ground end 11a, can force conducting end 11a to strut along the deflection face 11b of contact site 11, make contact stitch 41 engage conducting with conducting end 11a.

It has following disappearance basically contact terminal that this kind commonly used 1:

Therefore one, this contact stitch 41 only is monolateral the contact with conducting end 11a, easily causes the joint can't be tight, forms the bad shortcoming of conduction.

Two, the monolateral inclination of contact site 11 formation of this contact terminal 1 is stressed, easily causes elastic fatigue, and reduces useful life.

Therefore though what have in the three above-mentioned prior arts that disclose changes single contact site into contact both sides, its contact site is parallel symmetry shape, contacts stitch 41 and must be simultaneously when engaging conducting the contact site of both sides be strutted; Promote simultaneously to strut contact both sides portion, its frictional resistance is very big, must cause contact stitch 41 stressed concentrating, and causes the 41 easily curved Zhe skews of contact stitch, and it is bad to form conduction, even fracture, so, also imperfect with practical design.

The inventor actively seeks to improve, and finishing of the utility model is arranged because above-mentioned shortcoming is at problem points.

Thereby, primary and foremost purpose of the present utility model, be to provide a kind of zero insertion force socket of connector, it is by special contact terminal design, make contact terminal only by a sheet metal punch forming, can have two contact sites, make the contact stitch form bilateral the contact, have preferable conduction effect with contact terminal.

A purpose more of the present utility model then is to provide a kind of zero insertion force socket of connector, and its contact stitch divides two stages that the conducting end of contact terminal is strutted, and prevents from that stitch is stressed to concentrate, and causes the disappearance of easily curved Zhe or deflection, and then increases useful life.

Another purpose of the present utility model, be to be to provide a kind of zero insertion force electronic receptacle, it can promote the contact pin heel brace by slide and open contact terminal and engage, and also can engage with contacting stitch by the conducting end that slide promotes contact terminal, and it all has the fluid-tight engagement conduction.

Electric connector of the present utility model includes:

One jack body which is provided with most the grooves of arranging and can embed the location for contact terminal, and its side is provided with a clamping block, and locating piece, its leading section forms a concave face, and is provided with the location convex body in the both sides of concave face, and the lateral surface of this location convex body is provided with location hole;

One slide, be provided with the embedded hole of arrangement on it with respect to the groove of jack body, can insert for the contact stitch of PGA packing, its leading section root edge is provided with slot, and the short slot that side displacement requisite space is used, the trip that this slide utilizes its root edge inwardly to protrude out is set on the chase of jack body root edge; Braking by a rotatable drive rod can make slide slide on jack body;

It is characterized in that:

This contact terminal utilizes sheet metal when punch forming, be broken into long and short resiliency supported portion, and the top that makes two support portions forms first, second contact site that intersects in opposite directions respectively, and make long resiliency supported portion form bigger bend, the shorter resiliency supported then curved Zhe of portion becomes less bend, make two first, second solution of contiguity at dual-side, have conducting surface simultaneously; By this, it is convenient to make it have a combination, and the contact conducting is good, and divides the two-stage that contact site is strutted, and to reduce frictional resistance, increases useful life.

For realizing above-mentioned purpose, lift preferred embodiment now and cooperate graphic explanation as back:

The accompanying drawing simple declaration:

Fig. 1 is connector outside drawing of the present utility model (not making up the PGA packing as yet).

Fig. 2 is a connector structure exploded perspective view of the present utility model.

Fig. 3 is the utility model contact terminal material strip schematic diagram.

Fig. 4 is the stereogram of the utility model contact terminal.

Fig. 5 (A) is the front view of contact terminal.

Fig. 5 (B) is for looking schematic diagram on the contact terminal.

Fig. 6 (A) makes up the schematic diagram that does not contact conducting after PGA packs as yet for connector.

Fig. 6 (B) makes up the schematic diagram that has contacted conducting after PGA packs for connector.

The schematic diagram that the contact stitch that Fig. 7 (A) packs for PGA does not engage with contact terminal as yet.

Fig. 7 (B) struts contact terminal for the contact stitch of PGA packing the schematic diagram of joint.

Fig. 8 is another instance graph of the present utility model, and wherein Fig. 8 (A) is depicted as contact terminal and does not contact the schematic diagram that stitch engages as yet with PGA; Schematic diagram when Fig. 8 (B) is depicted as contact terminal and contacts stitch with PGA and engage.

Fig. 9 (A) is for commonly using the front view of contact terminal.

Fig. 9 (B) is for commonly using the left side view of contact terminal.

Fig. 9 (C) is for commonly using the top view of contact terminal.

Figure 10 is a joint schematic diagram of commonly using connector; Wherein Figure 10 (A) is depicted as the schematic diagram that the contact stitch does not engage with contact terminal as yet, the schematic diagram after Figure 10 (B) is depicted as the contact stitch and contact terminal engages; Figure 10 (C) for the contact stitch engage with contact terminal situation on look cut-away view.

At first, see also shown in Fig. 1,2, the utility model connector includes: a jack body 2, which is provided with most the grooves of arranging 21 can not show for contact terminal 5(Fig. 2) the embedding location, its side is provided with a clamping block 22, and locating piece 23, and its leading section forms a concave face 24, and being provided with location convex body 25 in the both sides of concave face 24, the lateral surface of this location convex body 25 is provided with and is decided to be hole 251.One drive rod 6, its drive division 61 two ends extend to form lug 62 downwards, in this lug 62 and be provided with a location projection 621 and can be inserted in the location hole 251 of location convex body 25; The side facility arm of force 63 of this drive division 61 again, this force arm 63 is provided with on the clamping block 22 that a groove 631 can be positioned jack body 2 in center section part.One slide 3, be provided with the embedded hole 31 of arrangement on it with respect to the groove 21 of jack body 2, can not show for PGA packing 4(Fig. 2) contact stitch 41 insert, its leading section root edge is provided with slot 32 and may be stuck in drive division 61 tops, and side is provided with the short slot 33 of displacement requisite space, and the trip 34 that this slide 3 utilizes its root edge inwardly to protrude out is set on the chase 26 of jack body 2 root edges; Braking by a rotatable drive rod 6 can make slide 3 slide on jack body 2.As for the detail structure of whole pga socket, for former times is used technology, and essential by reaching the pga socket function, non-the utility model target is held and is not given unnecessary details.

Please continue consult shown in Figure 3, when the utility model contact terminal 5 utilizes the sheet metal punch forming, disconnect the longer resiliency supported portion 52 forms both sides by sheet metal and reach shorter resiliency supported portion 53, and the upper end that makes two resiliency supported

portions

52,53 forms in opposite directions first,

second contact site

54,55 that intersects respectively, and the upper limb of first contact site 54 is provided with the brake(-holder) block 542 that protrudes out and is connected with metal material belt 51; Moreover, be fastening part 56 with 52, the 53 bottom connectionists of resiliency supported portion simultaneously, and be positioned at the pin 57 of fastening part 56 belows with location usefulness; The front end of this second contact site 54 extends a flange 541 again; To promptly become as Fig. 4 and contact terminal 5 shown in Figure 5 after the curved Zhe processing of sheet metal by this, it is characterized in that: the long resiliency supported portion 52 of order forms bigger bend 52a, short resiliency supported portion 53 then forms less bend 53a, two in opposite directions first, second contact sites were opened at dual-side in 54,55 minutes, had conducting surface 54a, 54b simultaneously; Moreover, make the front end boss 541 of first contact site 54 be one and gradually open guiding face 541a to the Zhe that turns up; And also being one to the Zhe that turns up, the front end of second contact site 55 gradually opens guiding face 551a.

By above-mentioned announcement structure, this contact terminal 5 can utilize the punch forming of a slice sheet metal, promptly has both sides simultaneously and contact the conducting surface that stitch 41 engages with PGA, makes to conduct electricity well and can reduce frictional resistance.

Please continue and consult shown in Fig. 6 (A), (B), in contact terminal 5 was inserted in the groove 21 of jack body, the contact stitch 41 of PGA packing 4 ran through the embedded hole 31 of slide 3 and embeds in the groove 21 of jack body; The force arm 63 of drive rod 6 is the vertical unlocking state shown in Fig. 6 (A), promptly contact stitch 41 as yet not with contact terminal 5 fluid-tight engagement; PGA packing 4 replacing of can on slide 3, choosing easily this moment; Shown in Fig. 6 (B), when the force arm 63 of drive rod 6 by on depress 90 degree and when being positioned at clamping block 22, drive division 31 is that pivot is passed forward with location convex body 25, slot 4 is also passed forward thereupon, force slide 3 to drive PGA and pack 4 lateral displacements, and then make the contact stitch 41 of PGA packing 4 engage conduction with contact terminal 5.As for the engage situation of contact stitch 41, please continue the detailed maps of consulting Fig. 7 (A), (B) with contact terminal 5.

Shown in Fig. 7 (A), when slide 3 is opening, at this moment PGA packing 4 is placed on the slide 3, and contact stitch 41 is imported in the groove 21 of jack bodies 2 by embedded hole 31; When slide 3 lateral slidings, to force the contact stitch 41 of PGA packing 4 to embed to first,

second contact site

54,55 centres that both sides separate, and at first touch the guiding face 541a of first contact site 54, when contact stitch 41 touch tilt to the Zhe that turns up guiding face 541a the time, be that roof pressure first contact site 54 is mobile laterally gradually along guiding face 541a, this is the phase I contact; When the contact stitch 41 of waiting is embedded into about 1/3rd positions, can touch the guiding face 551a of second contact site 55 again, and also along the inclined plane of guiding face 551a, gradually roof pressure second contact site 55 moves laterally, this meets the place for second stage, and the contact stitch 41 of waiting is passed when locating, and it is positioned at conducting surface 54a, the 55b of first,

second contact site

54,55 inner edges just, and be with it and fit tightly, promptly shown in Fig. 7 (B); So the two sides that is characterized as of the present utility model all can be conducted electricity, can prevent to conduct electricity bad disappearance, and when should contact stitch 41 engaging, divide the two-stage to carry out with contact terminal 5, to reduce its frictional resistance, avoid stitch 41 stressed concentrated and bend Zhe.

Please continue consult shown in Figure 8, Fig. 8 is another embodiment schematic diagram of the present utility model, it places contact terminal 5 of the present utility model in the groove 21a of a jack body 2a with side surface direction, this groove 21a cooperates contact terminal 5 and is provided with, thereby change 90 the degree directions, and this slide 3a root edge is provided with a clamping slot 32a can embed the location for the brake(-holder) block 542 that contact site 54 tops protrude out, and the diameter of the embedded hole 31a of this slide 3a is bigger than the contact stitch 41 of PGA packing 4, provides one to pass the space; When PGA packing 4 is not inserted slide 3a and jack body 2a as yet, first contact site 54 of this contact terminal 5 slightly tilts laterally and is opening, when PGA packing 4 is inserted combination, by aforementioned same action, slide 3a is displaced sideways, and drive first contact site 54 and do lateral displacement simultaneously, and then after touching contact stitch 41, to contact stitch 41 again presses to second contact site 55, so will make and win, two

contact sites

54,55 inner

edge conducting surface

54a, 55a fits tightly the dual-side at contact stitch 41 simultaneously, form a kind of urgent folder power, it is firm to reach joint, makes conduction situation good state.

The utlity model has following feature and effect need illustrate again:

One, contact terminal 5 of the present utility model only must be disconnected when the punch process by a sheet metal, the longer resiliency supported of utilization portion 52 forms than the 52a of macrobending portion again, and the less bend 53a of shorter resiliency supported portion's 53 formation, both sides all have

contact site

54,55 when making its moulding, make the contact stitch 41 of PGA packing form bilateral fluid-tight engagement, have the favorable conductive function with contact terminal 5.

Two, the utility model is by first and

second contact site

54,55 that disconnects, the front and back potential difference of its guiding

face

541a, 551a, make contact 41 fen two-stage of stitch that first and

second contact site

54,55 is strutted, so can reduce the frictional resistance of contact stitch 41 when strutting contact site, it is excessive because of frictional resistance to prevent to contact stitch 41, cause the shortcoming of easily curved Zhe or skew, and then increase useful life.

Three, the utility model is by longer resiliency supported portion 52 and shorter resiliency supported portion 53, it forms respectively than 52a of macrobending portion and less bend 53a, make the below of two

contact sites

54,55 form a bigger insertion space (S) (shown in Fig. 5 (B)), it has makes contact stitch 41 when passing, can not touch two resiliency supported

portions

52,53, be hindered in the time of can preventing to contact stitch 41 displacements and form the shortcoming of curved Zhe or fracture.

Four, the utility model can make PGA packing 4 present closure or opening with jack body 2 by drive rod 6, makes that turning round and look at the family can change from line operate, need not be dependent on the know-how personnel, and is convenient and practical; And the force arm 63 of drive rod 6 can be positioned on by the groove on it 631 on the clamping block 22 of jack body 2, and drive rod 6 is located really, remains closed the position.

In sum, the disclosed structure of the utility model by former times is not had, and really can reach the effect of expection; The important document that meets utility model patent fully.

Claims

1, a kind of electric connector includes:

It is characterized in that:

2, electric connector as claimed in claim 1, it is characterized in that, this first front end that touches portion extend a flange and outwards rollover Zhe be one and gradually open guiding face, and its upper end protruded out a clip, and the front end of second contact site Zhe that also outwards turns on one's side is one and gradually opens guiding face.

3, electric connector as claimed in claim 1 is characterized in that, the clip that this contact terminal protrudes out in first contact site upper end, can embed a root edge and be provided with the slide of clamping slot, by the lateral sliding of slide, and then drive first contact site and do lateral displacement, form a urgent folder power.

4, electric connector as claimed in claim 1 is characterized in that, be inserted in the slot of slide the drive division of this drive rod top, and these drive division two ends form lug downwards, in this lug and be provided with a location projection and can be inserted in the location hole of location convex body; A side of this drive division is provided with force arm again, and this force arm is provided with on the clamping block that a groove can be positioned jack body in center section part.