CN201674097U

CN201674097U - Electric connector

Info

Publication number: CN201674097U
Application number: CN2010201913866U
Authority: CN
Inventors: 蔡友华; 张文昌
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2010-05-10
Filing date: 2010-05-10
Publication date: 2010-12-15
Anticipated expiration: 2020-05-10

Abstract

The utility model relates to an electric connector. The electric connector comprises a base mechanism, a plurality of terminals, a driving piece and a pair of ear clips; an integrated circuit is positioned in the base mechanism; the terminals are respectively arranged on the base mechanism in a containing manner; each terminal is provided with a pair of clamping arms; a clamping part is arranged on at least one of each pair of the clamping arms for clamping each solder ball correspondingly; the driving piece is mounted on the periphery of the base mechanism and performs up-and-down movement relative to the base mechanism; at least one pair of pushing parts extend from the driving piece along the direction of the base mechanism; a plane extends from each pushing part toward the direction of the base mechanism; the plane bears the integrated circuit; and the pair of the ear clips are respectively positioned on two opposite sides of the base mechanism. When the electric connector is placed in the integrated circuit and simultaneously the driving force to the driving piece is withdrawn, the plane lifts the integrated circuit, so that the clamping part clamps the solder ball and simultaneously the solder ball has a grasping force to grasp the terminal, the contact between the solder ball and the terminal is further ensured, and the electric connector is beneficial to the detection accuracy of the integrated circuit.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, especially relate to a kind of for integrated circuit connect with, with the circuit state of testing this integrated circuit and the connector of electrical characteristic.

[background technology]

In order to guarantee integrated circuit security reliability in use, nearly all integrated circuit all must be tested before installing and using.Test is that integrated circuit is carried out the running of long high temperature, makes to exist the integrated circuit of defective to lose efficacy as early as possible, eliminates thereby defective integrated circuit screened.After being assembled to electronic terminal product, the integrated circuit of process test can use safely.

In the relevant prior art, general integrated circuit test connector, all adopt the slippage of actuator driving slide to open and accommodate the tin ball of putting in the integrated circuit earlier with the promotion terminal arm, slide is got back to initial position again under spring restoring force and the effect of terminal arm restoring force, like this, terminal arm clamps the tin ball, reaches the effect that electrically conducts.

But, in actual mechanical process, since terminal accommodating on pedestal and terminal arm extend into slide, because terminal is numerous, it is all in full accord that these all terminals will reach height, is unlikely, like this, when final terminal arm clamps the tin ball, more or less always exist a little terminal arm fully not finish and clamp the tin ball, not reach the purpose of accurate detection integrated circuit.

Therefore be necessary to improve this structure, to overcome above-mentioned defective.

[utility model content]

The purpose of this utility model provides a kind of electric connector, and it has a kind of structure of lifting integrated circuit, makes this electric connector can reach the purpose of clamping integrated circuit more firmly by this structure.

For reaching above-mentioned or other purpose, the utility model proposes a kind of electric connector, it comprises a foundation means, described integrated circuit is positioned at it; Most terminals are installed with respectively on described foundation means, and each described terminal has a pair of clamping limb, and each is to having a clamping part at least one described clamping limb in the described clamping limb, in order to each described tin ball of corresponding clamping; One actuator, it is set up in described foundation means periphery, and moves up and down with respect to described foundation means, and described actuator extends at least one pair of pushing and pressing part along described foundation means direction, a plane is extended towards described foundation means direction in each described pushing and pressing part, the described integrated circuit of described planes carry; A pair of earclip lays respectively at described foundation means two opposite sides.

When being placed into described integrated circuit and cancelling actuating force to described actuator simultaneously, described plane is to lift described integrated circuit, make described clamping part when clamping the tin ball, described tin ball also exists a grasping force to grasp terminal, further guarantee contacting between described tin ball and the described terminal, helped the accuracy that described integrated circuit detects.

[description of drawings]

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

Fig. 2 is the three-dimensional combination figure of the utility model electric connector;

Vertical view when Fig. 3 presses to lowermost end for the utility model electric connector actuator;

Fig. 4 is the cutaway view at A-A place in Fig. 3 vertical view;

Fig. 5 is the vertical view after the utility model electric connector actuator returns back to initial condition;

Fig. 6 is the cutaway view at B-B place among Fig. 5;

Fig. 7 is the stereogram of slide block in the utility model electric connector;

Fig. 8 is the enlarged drawing of described terminal clamping tin ball;

Fig. 9 is the schematic diagram of a terminal insertion end pilot trench.

The drawing reference numeral of embodiment:

Electric connector 1 actuator 11 peristomes 111 frameworks 112

113 protuberances, 1131 planes, pushing and pressing part, 114 mating holess 115

Pedestal 12 rooms 121 terminal bases 122 through holes 123

Terminal groove 1221 slides 13 terminal area 131 projections 132

Inclined-plane 1321 sleeve columns, 133 terminals, 14 clamping parts 141

First movable part, 1,411 second movable parts, 1412 depressed parts, 1413 earclips 15

Ear seat 151 rotating shafts 1511 compression zones 1512 shell fragments 152

Wall 16 connectors 161 guide pillars 162 integrated circuit 2

Tin ball 21 springs 3 elastomers 4

[embodiment]

For above-mentioned and other purpose of the present utility model, feature and beneficial effect can be become apparent, the utility model electric connector is described in further detail below in conjunction with the drawings and specific embodiments.

Fig. 1 is the explosive decomposition figure of the utility model embodiment electric connector 1, the electric connector 1 of present embodiment is used for an integrated circuit 2 is electrically connected to printed circuit board (PCB) (not icon), described electric connector 1 comprises an actuator 11, a foundation means, described foundation means is made up of the slide 13 that a pedestal 12 and described pedestal 12 contain, be embedded in the most terminals 14 on the described pedestal 12, and interact in a pair of earclip 15 of described pedestal 12.

Please refer to Fig. 1 and Fig. 2, described actuator 11, it is set up on the described pedestal 12 and with respect to described pedestal 12 and moves up and down, described actuator 11 has a peristome 111 that penetrates for described integrated circuit 2, the outer rim of described peristome 111 is connected with framework 112, four pushing and pressing parts 113 are extended along described pedestal 12 directions in described framework 112 both sides, four described pushing and pressing parts be located in 113 minutes described framework 112 under inner surface, again, each 113 bottom, described pushing and pressing part vertically extends a plane 114, described plane 114 is a little more than the position of described slide 13 on described foundation means, and each described pushing and pressing part 113 all has a protuberance 1131 and offsets each other to promote described slide 13 with described slide 13.And on the inside, four corners below the described actuator 11, respectively be provided with a mating holes 115.

Described pedestal 12, in have a room 121 and insert activity for described slide 13, the bottom of described room 121 is provided with a terminal base 122, be provided with the terminal groove 1221 that majority holds described terminal 14 in the described terminal base 122, described pedestal 12 ccontaining described earclips 15 places are provided with axis hole, described pedestal 12 is enclosed to form a positive cubic shaped as frame by wall face 16, form a connector 161 in the junction, bottom of per two adjacent described walls 16, on described connector 161, be provided with a guide pillar 162, described guide pillar 162 on corresponding each described connector 161 is provided with installs a spring 3 that is inserted on it, and described spring 3 can be inserted in the described mating holes 115 on the described actuator 11.

Described slide 13, when described actuator 11 presses down to carry described integrated circuit 2, described slide 13 has a terminal area 131 that runs through for described terminal 14 heads, described slide 13 respectively extends two projections 132 along described terminal area 131 near described pushing and pressing part 113, each described projection 132 is provided with an inclined-plane 1321 that is positioned at described projection 132 sides, when described actuator 11 pressed down, the described protuberance 1131 on the described pushing and pressing part 113 offseted to promote described slide 13 each other with described inclined-plane 1321.Those wall 16 places are provided with a through hole 123 on described slide 13 moving directions, that side of described slide 13 moving directions and close described wall 16 is also offered the corresponding described through hole 123 of a sleeve column 133, one elastomers 4 (is another coil spring at present embodiment) and is inserted described sleeve column 133.

With reference to Fig. 8, most terminals 14 are installed with respectively on described terminal base 122, the conducting portion of described terminal 14 is a pair of clamping limb, offer a clamping part 141 on the clamping limb, described clamping part 141 comprises one first movable part 1411 and one second movable part 1412, described first movable part 1411 and described second movable part 1412 tops are arranged with a depressed part 1413 respectively, and (in other embodiments, the clamping limb of described terminal 14 also can be respectively a moveable arm and a rest arm; Described depressed part 1413 can not exist yet, and can substitute by a hook portion is set above described clamping limb) wherein, described first movable part 1411 is 90 degree with described second movable part 1412 and distributes.Described clamping limb 141 is driven described first movable part 1411 and described second movable part, 1412 difference opened with certain angle with a plurality of tin balls 21 under the ccontaining described integrated circuit 2 by described slide 13 motions.

A pair of earclip 15, be articulated in described pedestal 12, comprise an ear seat 151 and a shell fragment 152 that is installed in it, described ear seat 151 both sides respectively are equipped with a rotating shaft 1511 and a compression zone 1512, wherein said rotating shaft 1511 is provided with at interval with described compression zone 1512, thereby described rotating shaft 1511 packs into described axis hole to be connected in described earclip 15 in the described pedestal 12 and described earclip 15 can rotate with respect to described pedestal 12, and described earclip 15 is that center of rotation self-closing state turns to opening with described rotating shaft 1511.

Please refer to Fig. 3 to Fig. 7, wherein when the pressure that described actuator 11 is applied described pedestal 12 directions of motion on one day made described mating holes 115 insert described spring 3 to maximum deformation quantity fully, described pushing and pressing part 113 promoted the described clamping part 141 of described slide 13 drives and opens with ccontaining described tin ball 21.Wherein after the pressure that described actuator 11 is applied is eliminated, described actuator 11 corresponding moving up, when moving to the extreme higher position, described clamping part 141 is replied grasping described tin ball 21, and the described integrated circuit 2 of described plane 114 carryings and lift described integrated circuit 2 up.

During operation, described actuator 11 is pressed down, described spring 3 presses down a segment distance along described pedestal 12 directions, and described slide 13 is also touched in the described pushing and pressing part 113 of described actuator 11 interlocks, described slide 13 is moved towards described elastomer 4 direction slippages one section, simultaneously, described slide 13 slippages make the described clamping part 141 of described terminal 14 open, at this time described integrated circuit 2 to be measured is placed into, described tin ball 21 on the proper described integrated circuit 2 falls between described first movable part 1411 and described second movable part 1412 of corresponding described terminal 14, as accompanying drawing 8, shown in the accompanying drawing 9, treat described integrated circuit 2 put appropriate after, just discharge described actuator 11, described actuator 11 borrows the elastic force effect of described spring 3 to be returned to original position, described slide 13 borrows the back stretch of described elastomer 4 to make described slide 13 slippages to original position, at this moment, described tin ball 21 forms one section scraping distance and described tin ball 21 is tightly grasped by described clamping part 141, simultaneously, described plane 114 is carried described integrated circuit 2 and is lifted described integrated circuit 2 up and makes 21 pairs of described clamping parts 141 of described tin ball have a pulling force.

The beneficial effect that the utility model electric connector is brought is:

1. when being placed into described integrated circuit and cancelling actuating force to described actuator simultaneously, described plane is to lift described integrated circuit, make described clamping part when clamping the tin ball, described tin ball also exists a grasping force to grasp terminal, further guarantee contacting between described tin ball and the described terminal, helped the accuracy that described integrated circuit detects.

2. the described ear seat in the described earclip structure of described electric connector is one-body molded, and its punch forming of described shell fragment is simple, the production efficiency height, and simultaneously, described shell fragment is installed in the described ear seat, and described elastic piece structure is very simple, also is convenient to be installed in the described ear seat.

Above-mentioned explanation is the detailed description at the utility model possible embodiments, 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 in order to carry the integrated circuit with a plurality of tin balls to be measured, is characterized in that, comprises;

One foundation means, described integrated circuit is positioned at it;

Most terminals are installed with respectively on described foundation means, and each described terminal has a pair of clamping limb, and each is to having a clamping part at least one described clamping limb in the described clamping limb, in order to each described tin ball of corresponding clamping;

One actuator, it is set up in described foundation means periphery, and moves up and down with respect to described foundation means, and described actuator extends at least one pair of pushing and pressing part along described foundation means direction, a plane is extended towards described foundation means direction in each described pushing and pressing part, the described integrated circuit of described planes carry;

A pair of earclip lays respectively at described foundation means two opposite sides.

2. a kind of electric connector as claimed in claim 1, it is characterized in that: comprise a pedestal and a slide in described foundation means, described slide can described relatively pedestal displacement, and described slide is below described integrated circuit, and described plane is a little more than the position of described slide on described foundation means.

3. electric connector as claimed in claim 2 is characterized in that: described plane is from bottom, described pushing and pressing part vertical extent.

4. electric connector as claimed in claim 2, it is characterized in that: each described terminal extends upward into described slide and described slide displacement is opened with the described clamping limb that promotes described terminal, and described clamping limb is revealed in described slide upper surface in order to ccontaining described tin ball.

5. electric connector as claimed in claim 4, it is characterized in that: described clamping part comprises one first movable part and one second movable part, wherein, described first movable part and described second movable part are 90 degree and distribute, and described first movable part and described second movable part respectively are arranged with a depressed part, the ccontaining described tin ball of described depressed part.

6. electric connector as claimed in claim 5 is characterized in that: described first movable part and described second movable part top are provided with a hook portion, and described hook portion hook is held described tin ball.

7. electric connector as claimed in claim 2, it is characterized in that: described slide is provided with a terminal area and enters for described terminal, and described slide respectively extends two projections along described terminal area side near described pushing and pressing part, and each described projection is provided with an inclined-plane that is positioned at described projection side.

8. electric connector as claimed in claim 7, it is characterized in that: described actuator is provided with a peristome, the outer rim of described peristome is connected with a framework, the inner surface of described pushing and pressing part under described framework extends, and described pushing and pressing part is provided with a protuberance and described inclined-plane offsets each other to promote described slide.

9. electric connector as claimed in claim 2, it is characterized in that: the ccontaining described earclip of described pedestal place is provided with an axis hole, described earclip is provided with a rotating shaft and packs into described axis hole, thereby is connected in described earclip in the described pedestal and described earclip can rotate with respect to described pedestal.

10. electric connector as claimed in claim 2, it is characterized in that: described pedestal is provided with most walls, described wall on described slide moving direction is provided with a through hole, is provided with a sleeve column in the corresponding described through hole of described slide, and the corresponding described through hole of an elastomer inserts described sleeve column.

11. electric connector as claimed in claim 10 is characterized in that: described wall is enclosed to form a positive cubic shaped as frame, and junction, per two described wall bottoms forms a connector, is provided with a guide pillar on described connector.

12. electric connector as claimed in claim 11, it is characterized in that: the described guide pillar on corresponding each described connector is provided with installs a spring that is inserted in thereon, each corresponding described guide pillar is provided with mating holes on four corners of described actuator, and described spring can be inserted into described guide pillar and match with the described mating holes of described actuator.

13. electric connector as claimed in claim 2, it is characterized in that: wherein when the pressure that described actuator is applied the described foundation means direction of motion on one day makes described mating holes insert described spring to maximum deformation quantity fully, described pushing and pressing part promotes described slide and drives described clamping part and open with ccontaining described tin ball.

14. electric connector as claimed in claim 2, it is characterized in that: wherein after the pressure that described actuator is applied is eliminated, described actuator is corresponding to move up, when moving to the extreme higher position, described clamping part is replied grasping described tin ball, and the described integrated circuit of described planes carry and lift described integrated circuit up.

15. electric connector as claimed in claim 1 is characterized in that: described foundation means has a room; The bottom of described room is provided with a terminal base, is provided with the terminal groove that majority holds described terminal in the described terminal base.