CN201656049U

CN201656049U - Electric connector

Info

Publication number: CN201656049U
Application number: CN2010201679182U
Authority: CN
Inventors: 蔡友华
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2010-04-20
Filing date: 2010-04-20
Publication date: 2010-11-24
Anticipated expiration: 2020-04-20

Abstract

The utility model provides an electric connector. The connector comprises a socket body, a plurality of terminals, a sliding plate and a drive cover. The socket body is provided with a plurality of through holes. The terminals are respectively provided with a base part fixedly arranged in the through holes, and a pair of clamp arms extending upward from the base parts extend out of the through holes. The sliding plate is slidingly covered on the socket body, the sliding plate is provided with a plurality of groove holes corresponding to the terminals, one pair of the clamp arms of each terminal penetrate through one groove hole, the groove hole is provided with two opposite press resisting surfaces, and at least parts of the two press resisting surfaces are arranged between the clamp arms, and gradually depart from each other from the clamp arms. The drive cover is slidingly covered on the socket body, moves up and down in relation to the socket body, and controls the sliding plate to slide and move in relation to the socket body. When the sliding plate slides, one pair of the clamp arms in the through holes are simultaneously stretched by the two press resisting surfaces. Thus, the electric connector ensures good test results.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, refers to the electric connector of a kind of clamping connection testing integrated circuits and tin ball thereof especially.

[background technology]

Usually, one integrated circuit is after completing, generally the test that can be correlated with to be guaranteeing its function and quality, various difference in functionality purposes such as the related content of test mainly contains whether the test pin is good, input impedance situation, electrical source consumption situation, basic logic and voltage level.

So, a kind of electric connector that is specifically designed to testing integrated circuits has appearred in industry, asking for an interview the China's Mainland patent No. is a kind of integrated circuit testing socket shown in the CN200420002957.1, please refer to the accompanying drawing 4 in this patent, accompanying drawing 8 and accompanying drawing 10, socket is used for an integrated circuit 90 tests and is used, described integrated circuit 90 bottoms are provided with most tin balls 91, described electric connector comprises a pedestal 10, be fixedly arranged on the most terminals 44 in the described pedestal 10, press box cover 60 is pressed in upper set unification in described pedestal 10, at described pedestal 10 and describedly be provided with a sliding panel 20 between by press box cover 60, described sliding panel 20 can laterally move with respect to described pedestal 10, row is provided with most jacks 111 in the described pedestal 10, each described terminal 44 has a base portion respectively, end from described base portion upwards is provided with a movable claw 47 and a fixed claw 46, described base portion is fixedly arranged in the described jack 111, described sliding panel 20 corresponding most described jacks 111 run through and are provided with most through holes 23, and described movable claw 47 and described fixed claw 46 to small part upwards enters and pass described through hole 23.

Described socket also comprises two button hooks 70 that are provided with relatively, described button hook 70 is fixedly arranged in the described pedestal 10, mat is described to drive the described movable claw 47 of described sliding panel 20 and described terminal 44 toward moving right by gland frame 60 in the process of pressing down, open two described button hooks 70 simultaneously, for treating that described integrated circuit 90 is positioned on the described sliding panel 20, discharge described immediately by gland frame 60, make described tin ball 91 that described movable claw 47 travelling backwards of described terminal 44 clamp described integrated circuit to be measured 90 bottom surfaces between described movable claw 47 and described fixed claw 46, simultaneously described button hook 70 is toward the end face of the fixed described integrated circuit 90 to be measured of interior folders.

Though above-mentioned socket can reach the purpose of the described integrated circuit of test generally speaking reluctantly, there is following disappearance also:

1. because described terminal 44 has only described movable claw 47 to move, another described fixed claw 46 is motionless setting, when general described tin ball 91 enters between described movable claw 47 and the described fixed claw 46, need to keep certain spacing between described tin ball 91 and the described fixed claw 46, just being convenient to described tin ball 91 packs into, and a general described socket need repeatedly be tested usefulness for most described integrated circuits 90, distortion can appear in the long-term so described movable claw 47 that gets off unavoidably, situations such as tired or misoperation, make when described movable claw 47 returns back to original position again after moving right, reply not in place, thereby make that the chucking power of the described movable claw 47 of described terminal 44 and 46 pairs of described tin balls 91 of described fixed claw is not enough, serious, also can cause the pushing force of 47 pairs of described tin balls 91 of described movable claw not enough, thereby make described movable claw 47 can't turn left the band described tin ball 91 is contacted with described fixed claw 46, cause monolateral contact, even having with described fixed claw 46, perhaps described tin ball 91 contacts, but the chucking power of 46 pairs of described tin balls 91 of described fixed claw is very little, thereby causes that described integrated circuit 90 test results are inaccurate maybe can't test.

2. when described integrated circuit 90 is positioned on the described pedestal 10, there is misoperation sometimes or operates problem not in place, also be not returned to original position such as described sliding panel 20, described button hook 70 just described integrated circuit 90 is pressed can't displacement, promptly, when described movable claw 47 pushes against towards described tin ball 91 directions, described movable claw 47 can exist an oblique power with described tin ball 91 and be with described tin ball 91 part side direction are upwards withdrawed from, simultaneously, described movable claw 47 yet is not with described tin ball 91 is contacted with described fixed claw 46, described integrated circuit 90 is just by compression set, thereby make described integrated circuit 90 to electrically conduct smoothly, and then reach the purpose of test with described socket.

3. when described tin ball 91 enters between described movable claw 47 and the described fixed claw 46, because described terminal 44 has only described movable claw 47 to open, and described fixed claw 46 is motionless, opening between described like this movable claw 47 and the described fixed claw 46 is less, and described tin ball 91 also can exist when packing into and described terminal 44 scratches or the phenomenon that is difficult to pack into.

4. when being positioned on the described pedestal 20, described integrated circuit 90 has a primary importance, so described tin ball 91 also has a relative described primary importance between described movable claw 47 and described fixed claw 46, described movable claw 47 just can make and contact between described tin ball 91 and the described fixed claw 46 owing to need carry out certain pushing and pressing to described tin ball 91, so after assembling the location fully, described tin ball 91 then has a relative second place between described movable claw 47 and described fixed claw 46, this shows, put into process at described integrated circuit 90 to complete assignment test, there are two positions in described tin ball 91, be the described primary importance and the described second place, the even friction of unbalance stress increases between described like this tin ball 91 and the described terminal 44, and also can occur locating not problem accurately in moving process.

Therefore, be necessary to design a kind of new electric connector, to overcome the problems referred to above.

[utility model content]

At the variety of problems that background technology faced, the purpose of this utility model is to provide a kind of and utilizes the clamping contact force that strengthens terminal, thereby guarantees the electric connector of good test result.

To achieve these goals, the utility model electric connector adopts following technical scheme:

A kind of electric connector is characterized in that, comprises a pedestal, has most through holes in it; Most terminals, described terminal has a base portion, and described base portion is fixedly arranged on described through hole, has extended upward a pair of clamping limb from described base portion, and described clamping limb extends described through hole; One sliding panel, lid places on the described pedestal slidably, corresponding each the described terminal of described sliding panel has most slotted eyes, a pair of described clamping limb for each corresponding described terminal upwards passes through a described slotted eye, described slotted eye is provided with two relative pushing and pressing faces, two described pushing and pressing face to small parts enter between a pair of described clamping limb, and from described clamping limb gradually mutually away from; One drives lid, and button is located on the described pedestal and described relatively pedestal formation upper and lower displacement slidably, and controls the described relatively pedestal slide displacement of described sliding panel; By this, when described sliding panel slided, two described pushing and pressing faces supported a pair of described clamping limb in the described slotted eye just simultaneously.

Compared with prior art, after the utility model electric connector assembles, can test usefulness for an integrated circuit, the bottom of described integrated circuit is provided with most tin balls, when described integrated circuit (IC) apparatus is on described pedestal, described tin ball enters between a pair of described clamping limb, because described sliding panel is provided with two described pushing and pressing faces, and two described pushing and pressing faces push against a pair of described clamping limb respectively and simultaneously, make a pair of described clamping limb open respectively, make opening increase and be convenient to allow described tin ball pack into smoothly.

In addition, because a pair of described clamping limb all opens, when described tin ball enters between a pair of described clamping limb, a pair of described clamping limb all produces chucking power to described tin ball, thereby make and maintain excellent contact power between described tin ball and a pair of described clamping limb, avoid occurring the terminal described in the background technology and have only the tired and monolateral adverse consequences such as contact of terminal that causes for moveable arm, also just guaranteed carrying out smoothly and precision of test result of described integrated circuit testing.

When described integrated circuit is positioned on the described pedestal, even have misoperation sometimes or operate problem not in place, also be not returned to original position such as described sliding panel, described integrated circuit just pressed can't displacement, a pair of described clamping limb also can return back to original position towards described tin ball automatically, described tin ball is carried out clamping, thereby guarantee that described integrated circuit and described electric connector electrically conduct smoothly, and then reach the purpose of test.

Moreover, when described integrated circuit is extremely assembled in the location process fully by being positioned on the described pedestal, because a pair of described clamping limb is to open simultaneously, when described tin ball enters between a pair of described clamping limb, a pair of described clamping limb is drawn close towards the direction of described tin ball again simultaneously together, so described tin ball in test process, all is to be positioned at a position all the time, friction between the stressed more even and described terminal of described like this tin ball is less, and so the location is more accurate.

Your juror can all further understanding and understanding can be arranged for ease of, and to elaborate with accompanying drawing in conjunction with the embodiments the purpose of this utility model, shape, structure, feature and effect thereof.

[description of drawings]

Fig. 1 is the exploded view of the utility model electric connector;

Fig. 2 is the constitutional diagram of the utility model electric connector;

Fig. 3 is the combination vertical view of the utility model electric connector;

Fig. 4 for among Fig. 3 along the cut-away view of A-A direction;

Fig. 5 is the partial enlarged drawing among Fig. 3;

Fig. 6 is the structural representation of terminal in the utility model electric connector;

Fig. 7 is the combination stereogram of the chip module of packing in the utility model electric connector;

Fig. 8 is the combination vertical view of the chip module of packing in the utility model electric connector;

Fig. 9 for the chip module of packing in the utility model electric connector along the B-B direction terminal cut-away view during clamping tin ball not;

Figure 10 is the cut-away view during along B-B direction terminal clamping tin ball for the chip module of packing in the utility model electric connector.

The drawing reference numeral of embodiment:

Pedestal 1 pedestal 11 receiving spaces 111

First through hole, 112 location holes, 113 first blind holes 114

Fixed head 12 second through holes 121 terminals 2

Base portion 21 clamping limbs 22 pin portions 23

Sliding panel 3 slotted eyes 31 slide blocks 311

First block face, 3111 pushing and pressing faces, 3,112 second block faces 3113

Drive and cover 4 reference columns, 41 springs 5

Button hook 6 integrated circuits 7 tin balls 71

[embodiment]

Below in conjunction with the drawings and specific embodiments the utility model electric connector is described further.

See also Fig. 1 to Fig. 6, the utility model electric connector comprises a pedestal 1, most terminals 2 are mounted in the described pedestal 1, one sliding panel 3 places in the described pedestal 1 and can slide with respect to described pedestal 1, one drives and to cover 4 and be covered on the described pedestal 1 and can move with respect to described pedestal 1, and a locked instrument is located in the described pedestal 1.

Described pedestal 1 comprises a pedestal 11 and is positioned at a fixed head 12 of described pedestal 11 bottoms, described pedestal 11 central authorities have a receiving space 111, the below row of described receiving space 111 is provided with most first through holes 112, and the other location hole 113 that is respectively equipped with in the relative both sides of described receiving space 111, in addition, described pedestal 11 roughly becomes rectangle, is arranged with respectively in its four corner to be formed with one first blind hole 114, is equiped with a spring 5 in each described first blind hole 114.Corresponding most described first through hole, 112 rows are provided with most second through holes 121 on the described fixed head 12.

Each described terminal 2 has a base portion 21 respectively, extended upward a pair of clamping limb 22 from described base portion 21, from the pin portion 23 that described base portion 21 extends downwards, described base portion 21 is fixedly arranged on described first through hole 112, described clamping limb 22 parts extend upward described first through hole 112 and enter in the described receiving space 111, and described pin portion 23 is passed down through described second through hole 121.A pair of in the present embodiment described clamping limb 22 is to be provided with face-to-face, promptly be oppositely arranged, and tilt towards close mutually direction, in other embodiments also can be for being formed with an angle between a pair of described clamping limb 22, described angle is right angle the best, perhaps be other situation, no matter but the structure between a pair of described clamping limb 22 how to be provided with, a pair of described clamping limb 22 is moveable arm.

Described sliding panel 3 places in the described receiving space 111 of described pedestal 11, and can slide with respect to described pedestal 11, described sliding panel 3 has most slotted eyes 31, is provided with the slide block 311 across described slotted eye 31 in the described slotted eye 31, and described slide block 311 is divided into two apertures with described slotted eye 31.Described slide block 311 has two first block faces 3111, two pushing and pressing faces 3112 and two second block faces 3113 that are connected in regular turn, two described first block faces 3111 are parallel to each other, two described second block faces 3113 are parallel to each other, and the distance between two described second block faces 3113 is relatively greater than the distance between two described second block faces 3113, two described pushing and pressing faces 3112 from described first block face 3111 gradually mutually away from.A pair of described clamping limb 22 upwards enters and passes respectively two described apertures of described slotted eye 31, and respectively against two described first block faces 3111, and two described pushing and pressing face 3112 parts enter between a pair of described clamping limb 22.

Described driving lid 4 is covered on the described pedestal 11, and can move up and down with respect to described pedestal 1.Described driving lid 4 roughly becomes rectangle, and corresponding respectively described first blind hole 114 of four corners of its bottom surface is provided with one second blind hole (not shown), has also protruded out a reference column 41 in the described blind hole.

Described locked instrument comprises a pair of button hook 6, and it is located at respectively in the described location hole 113.

See also Fig. 7 to Figure 10, described electric connector is used for an integrated circuit 7 (being chip module) and is tested, and the bottom surface row of described integrated circuit 7 is provided with most tin balls 71.

See also Fig. 1, during assembling, at first, the described terminal 2 of majority is from bottom to top inserted in most described first through hole 112 of described pedestal 11, described base portion 21 is fixedly arranged in described first through hole 112, and described clamping limb 22 extends upward described first through hole 112 respectively; Secondly, described sliding panel 3 from top to bottom is positioned in the described receiving space 111 of described pedestal 11, make a pair of described clamping limb 22 enter and pass respectively two described apertures in the described slotted eye 31, it is other that wherein a pair of described clamping limb 22 lays respectively at two described first block faces 3111; Then, two described button hooks 6 are installed in respectively in the two described location holes 113; Then, described driving lid 4 is covered on the described pedestal 11, the described spring 5 that is loaded in described first blind hole 114 enters in described second blind hole (not shown), and is sheathed on outside the described reference column 41; At last described fixed head 12 is placed and is fixed in the below of described pedestal 11, make described pin portion 23 be passed down through described second through hole 121, thereby locate described pin portion 23; So far, described electric connector assembling finishes.

See also Fig. 9 and Figure 10, whether the pin of testing described integrated circuit 7 when need is good, the input impedance situation, the electrical source consumption situation, during various difference in functionality purpose such as basic logic and voltage level, press down described driving lid 4 earlier, make described driving lid 4 promote described sliding panel 3 relative to described pedestal 11 left transverse horizontal move, two described pushing and pressing faces 3112 support a pair of described clamping limb 22 simultaneously simultaneously, make a pair of described clamping limb 22 vertical levels move, and be opposing to moving, and slide to two described second block face, 3113 places and two described second block faces 3113 lean through supporting of two described pushing and pressing faces 3112, and open two described button hooks 6, so make a pair of described clamping limb 22 together open, then described integrated circuit 7 is positioned on the described sliding panel 3 in the described receiving space 111 of described pedestal 11, make described tin ball 71 enter smoothly between a pair of described clamping limb 22, then discharge described driving lid 4, make described sliding panel 3 laterally move and return back to original position to the right, at this moment, a pair of described clamping limb 22 carries out parallel pushing and pressing clamping to described tin ball 71 jointly, make to contact well between described terminal 2 and the described tin ball 71, and then guarantee the carrying out smoothly of each functional test of described integrated circuit 7.

In sum, the utility model electric connector has following beneficial effect:

1. because a pair of described clamping limb of described terminal is moveable arm, so, when described tin ball enters between a pair of described clamping limb, a pair of described clamping limb all produces chucking power to described tin ball, thereby make and maintain excellent contact power between described tin ball and a pair of described clamping limb, avoid occurring the terminal described in the background technology and have only the tired and monolateral adverse consequences such as contact of terminal that causes for moveable arm, also just guaranteed carrying out smoothly and precision of test result of described integrated circuit testing.

2. because a pair of described clamping limb of described terminal is moveable arm, so, when described integrated circuit is positioned on the described pedestal, even have misoperation sometimes or operate problem not in place, also be not returned to original position such as described sliding panel, described integrated circuit just pressed can't displacement, a pair of described clamping limb also can return back to original position towards described tin ball automatically, described tin ball is carried out clamping, thereby guarantee that described integrated circuit and described electric connector electrically conduct smoothly, and then reach the purpose of test.

3. when described tin ball enters between a pair of described clamping limb, because a pair of described clamping limb of described terminal is moveable arm, opening between a pair of so described clamping limb is bigger, thereby be beneficial between a pair of described clamping limb of being loaded on of described tin ball, also avoid simultaneously taking place injury (being scratch) described tin ball.

4. work as described integrated circuit by being positioned on the described sliding panel to assembling in the location process fully, because a pair of described clamping limb is to open simultaneously, when described tin ball enters between a pair of described clamping limb, a pair of described clamping limb is drawn close towards the direction of described tin ball again simultaneously together, so described tin ball is in test process, all the time all be to be positioned at a position, the friction between the stressed more even and described terminal of described like this tin ball is less, and so the location is more accurate.

5. in the present embodiment, a pair of described clamping limb is to be provided with face-to-face, so simultaneously a pair of described clamping limb is pushed against and when sliding to the two described second block face places when two described pushing and pressing faces, a pair of described clamping limb still keeps aspectant state, and when described tin ball enters between a pair of described clamping limb for a pair of described clamping limb homing clamping, described tin ball can obtain a pair of described clamping limb to the contact force of its generation than balance, thereby improves the accuracy of test.

Above-mentioned explanation is the detailed description at the preferable possible embodiments of the utility model, but embodiment is not in order to limit patent claim of the present utility model, equal variation that the technical spirit that all the utility model disclosed is finished down or modification change all should belong to claim that the utility model is contained.

Claims

1. an electric connector is characterized in that, comprising:

One pedestal has most through holes in it;

Most terminals, described terminal has a base portion, and described base portion is fixedly arranged on described through hole, has extended upward a pair of clamping limb from described base portion, and described clamping limb extends described through hole;

One sliding panel, lid places on the described pedestal slidably, corresponding each the described terminal of described sliding panel has most slotted eyes, a pair of described clamping limb for each corresponding described terminal upwards passes through a described slotted eye, described slotted eye is provided with two relative pushing and pressing faces, two described pushing and pressing face to small parts enter between a pair of described clamping limb, and from described clamping limb gradually mutually away from;

One drives lid, and button is located on the described pedestal and described relatively pedestal formation upper and lower displacement slidably, and controls the described relatively pedestal slide displacement of described sliding panel;

By this, when described sliding panel slided, two described pushing and pressing faces supported a pair of described clamping limb in the described slotted eye just simultaneously.

2. electric connector as claimed in claim 1 is characterized in that: a pair of described clamping limb is oppositely arranged.

3. electric connector as claimed in claim 2 is characterized in that: a pair of described clamping limb is parallel to each other.

4. electric connector as claimed in claim 2 is characterized in that: a pair of described clamping limb tilts towards approaching mutually direction.

5. electric connector as claimed in claim 1 is characterized in that: a pair of described clamping limb is moveable arm.

6. electric connector as claimed in claim 1 is characterized in that: two described pushing and pressing face the direction that described sliding panel moves and push against a pair of described clamping limb simultaneously.

7. electric connector as claimed in claim 1 is characterized in that: described sliding panel slides with respect to described pedestal transverse horizontal.

8. electric connector as claimed in claim 7 is characterized in that: two described pushing and pressing faces push against a pair of described clamping limb vertical levels direction and move, and a pair of described clamping limb is for moving dorsad.

9. electric connector as claimed in claim 1 is characterized in that: be provided with a slide block in the described slotted eye, the two sides that described slide block is relative form two described pushing and pressing faces respectively.

10. electric connector as claimed in claim 9, it is characterized in that: described slide block is across in the described slotted eye, and has two first block faces that connect in regular turn, two described pushing and pressing faces and two second block faces, two described first block faces are parallel to each other, and two described second block faces are parallel to each other.

11. electric connector as claimed in claim 10, it is characterized in that: described sliding panel is horizontal when mobile with respect to described pedestal, a pair of described clamping limb supports through two described pushing and pressing faces from two described first block faces, slides to two described second block face places and two described second block faces and leans.

12. electric connector as claimed in claim 1 is characterized in that: described pedestal further comprises a pedestal and is positioned at a fixed head of described base bottom that described through hole runs through described pedestal and described fixed head.

13. electric connector as claimed in claim 12 is characterized in that: each described terminal further comprises a pin portion of extending downwards from described base portion, and described pin portion is passed down through described through hole.