CN201440489U

CN201440489U - Electric connector

Info

Publication number: CN201440489U
Application number: CN2009203033726U
Authority: CN
Inventors: 王全
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: 2009-05-20
Filing date: 2009-05-20
Publication date: 2010-04-21
Anticipated expiration: 2019-05-20

Abstract

The utility model discloses an electric connector, comprising a pedestal, a plurality of electric conduction terminals accommodated in the pedestal, a driving piece which is arranged above the pedestal and slides up and down relative to the pedestal, a locking piece arranged on the two sides of the pedestal; when the driving piece slides downwards, the locking piece can be unlocked. The pedestal comprises a body, a sliding plate sliding relative to the body, and a top plate fixed with the sliding plate and moving by following the sliding plate, wherein the top plate comprises a frame-shaped edge part and an accommodating part for accommodating the electric conduction terminal; and the accommodating part comprises a plurality ribs which are arranged along the diagonal direction of the parallel top plate, and an accommodating groove is formed between the neighbored ribs. The electric conduction terminal is accommodated in the gap formed by ribs, no plastic cement wall exists between the neighbored electric conduction terminals, thus increasing the active space of the terminals, and simultaneously increasing the arraying density of the electric conduction terminals.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, relates in particular to a kind of electric connector that is used for the test chip module.

[technical background]

Some electronic packing bodies, as chip module, often the form with the miniaturized electric sub-component is installed in the circuit, to form the function of continuous whole circuit.For guaranteeing chip module security reliability in use, precedingly all will testing that it is used.This test carrying out under the high temperature for a long time, allows exist the chip module of defective to lose efficacy as early as possible usually, then it is eliminated.The existing electric connector that is used for the test chip module generally includes matrix, be located at the plurality of conductive terminals of matrix, locker and drive that locker is opened or closed drive unit.

No. 6149449 patent of United States Patent (USP) disclosed a kind of above-mentioned electric connector that is used for the test chip module, the matrix of this electric connector comprises the sliding panel of being located at matrix top and can sliding with respect to matrix, and sliding panel is provided with some accepting holes of accommodating conducting terminal.Consult shown in the 7th figure, along on the diagonal, has the jube that accepting hole is separated between adjacent two accepting holes, because jube can take segment space, therefore the conducting terminal number that makes this electric connector to accommodate is less, and the terminal arm spatial accommodation of conducting terminal is also less.

Given this, be necessary to provide a kind of improved electric connector in fact, to overcome the defective of above-mentioned electric connector.

[utility model content]

The technical problem that the utility model solved is for providing a kind of electric connector, and this electric connector can provide bigger activity space and can improve the arranging density of conducting terminal conducting terminal.

For solving the problems of the technologies described above, the utility model provides a kind of electric connector that is used to electrically connect the chip module, it comprises: pedestal, be contained in the plurality of conductive terminals in the pedestal, be located on the pedestal can with respect to pedestal up and down slippage actuator and be located at the pedestal both sides snap close piece and when actuator during to lower slider this snap close piece can open, described pedestal comprises body, be located to reach with respect to the sliding panel that body slides with sliding panel on the body and fix and the top board together mobile with sliding panel, wherein, described top board comprises the shaped as frame edge part and is positioned at the resettlement section that edge part is used to accommodate conducting terminal, described resettlement section comprises the rib that some intervals are provided with, the common accepting groove of accommodating chip module tin ball that forms on adjacent two ribs, conducting terminal is contained in the formed gap of adjacent rib, and no plastic cement wall between the adjacent conductive terminal in same gap.

Compared to prior art, the top board of the utility model electric connector is to be formed by some ribs, the common accepting groove of accommodating chip module tin ball that forms on adjacent two ribs, conducting terminal is contained in the gap of rib formation, because no plastic cement wall between the adjacent conductive terminal, therefore increase the activity space of terminal, also can improve the arranging density of conducting terminal simultaneously.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of the utility model electric connector.

Fig. 2 is the three-dimensional exploded view of the utility model electric connector.

Fig. 3 is the stereogram of the top board of the utility model electric connector, and wherein this top board is first embodiment of the present utility model.

Fig. 4 is the vertical view of top board shown in Figure 3.

Fig. 5 is another stereogram of the top board of the utility model electric connector, and wherein this top board is second embodiment of the present utility model.

Fig. 6 is the vertical view of top board shown in Figure 5.

Fig. 7 is the vertical view of top board, sliding panel and the conducting terminal assembling of the utility model electric connector, and wherein conducting terminal is opened.

Fig. 8 be Fig. 7 along the cutaway view shown in the A-A line, and chip module is shown therein.

Fig. 9 is the vertical view of top board, sliding panel and the conducting terminal assembling of the utility model electric connector, and wherein conducting terminal clamps the tin ball of chip module.

Figure 10 is that Fig. 9 is along the cutaway view shown in the B-B line.

Figure 11 is the stereogram of the conducting terminal of the utility model electric connector.

[embodiment]

Consult Fig. 1 to shown in Figure 4, the utility model is a kind of electric connector, can electrically connect chip module 1 and printed circuit board (PCB) (not shown), and this chip module 1 is provided with the tin ball 10 that can electrically connect with electric connector.Electric connector comprises pedestal 2, be mounted on plurality of conductive terminals 3 in the pedestal 2, be mounted on pedestal 2 both sides snap close piece 4, be mounted on the pedestal 2 actuator 5 that can move up and down with respect to pedestal 2 and the baffle 6 that is positioned at pedestal 2 bottoms.

Pedestal 2 comprises body 20, be mounted on sliding panel 21 on the body 20, be located at the top board 22 on the sliding panel 21 and be located at the fixed head 23 of pedestal 2 bottoms.Body 20 is the square shape, and it comprises the upwardly extending sidewall (not label) around main part 200 and the autonomous body 200.Main part 200 is enclosed to form host cavity (not label) in order to accommodate sliding panel 21 and top board 22 with sidewall 201.Main part 200, sliding panel 21 and fixed head 23 correspondences are provided with the accepting hole (not label) of accommodating conducting terminal 3, and conducting terminal 3 is fixed on the pedestal 2 by fixed head 23.Four corners of main part 200 are provided with some location holes 202.The sidewall 201 of body 20 is provided with some first grooves 203 that cooperate with actuator 5 and some second grooves 204 that can cooperate with baffle 6.Four corners of sidewall 201 are provided with accepting hole 205, with the elastic force of assembling spring 7 and providing actuator 5 to move up and down with respect to pedestal 2.

It is tabular that sliding panel 21 roughly is, they can be with respect to body 20 horizontal slips, comprise roughly rectangular matrix 210, be provided with the holding tank 211 of assembling snap close piece 4 in matrix 210 relative both sides, be extended with some trips 212 downwards at four jiaos of matrix 210 places, this trip 212 extends in the location hole 202 of body 20 so that sliding panel 21 and body 20 are fitted together.Matrix 210 is provided with projection 213 at the place, diagonal angle, and projection 213 is adjacent with trip 212, and this projection 213 is provided with an arcwall face 2130.Sliding panel 21 bottoms are provided with drive block 214.

Top board 22 roughly becomes rectangle, and it is fixed on the sliding panel 21 and can slides with respect to body 20 with sliding panel 21.Top board 22 comprises edge part 220 and is positioned at the resettlement section 221 of rectangle that is used to accommodate conducting terminal 3 at edge part 220 middle parts.Described resettlement section 221 is made up of the rib 222 that some edges are parallel to the diagonal extension, separate between each rib 222, form the gap 225 of accommodating conducting terminal 3 between each rib 222, wherein form some accepting grooves 223 of accommodating tin ball 10 on adjacent two ribs 222 jointly, described accepting groove 223 is the non-groove that runs through rib 222 bottoms on described rib 222.Described accepting groove 223 is arranged in array, and every capable accepting groove 223 is adjacent capable accepting groove 223 and is staggered and arranges on vertical diagonal.

Actuator 5 is framework, chip module 1 is placed in the framework, the Si Jiaochu of these actuator 5 bottoms is provided with the cylinder 51 of downward extension, to cooperate with the accepting hole 205 of body 20, actuator 5 also is provided with some fixing arms 52 that cooperate with first groove 203 of body 20, can slide up and down with respect to pedestal 2 by making fixing arm 52 and cooperating of first groove 203 actuator 5.Actuator 5 is provided with the drive division 53 that drives slide plate 21, and a side of these drive division 53 bottoms is an arcwall face, and the projection 213 by this arcwall face and sliding panel 21 is slidingly matched and slides along diagonal with driving sliding panel 21.

Consult shown in Figure 11ly, conducting terminal 3 comprises " U " shape kink 30, extends needle-like pin 31 that is provided with and the clamping limbs that extended upward setting by the both sides of kink 30 downwards by kink 30.Clamping limb comprises a fixed arm 32 and a lever arm 33.The top of clamping limb is provided with two clamping parts 320,330.Two clamping parts the 320, the 330th are oppositely arranged, but the tin ball 10 of clamping chip module 1.

Baffle 6 comprises flat base plate 61 and from the vertically extending gripping arm 62 of buckleing of 61 liang of side direction body 20 directions of base plate, base plate 61 is provided with the accepting hole (not label) of the pin 31 of accommodating conducting terminal 3.Baffle 6 can slide up and down along second groove 204 of body 20, and when baffle 6 during away from body 20 bottoms, it is injury-free with protection pin 31 that the pin 31 of conducting terminal 3 does not expose baffle 6; Baffle 6 moved up makes it when the body 20, and pin 31 exposes body 20 bottoms, to electrically connect with circuit board.

Please consult Fig. 3 and Fig. 4 in detail, it is first embodiment of the present utility model, and among this embodiment, the resettlement section 221 of top board 22 is made up of some mutually discrete ribs 222, no plastic cement wall between the adjacent conductive terminal 3 in same gap 225.Consult Fig. 5 and shown in Figure 6, it is second embodiment of the present utility model, this embodiment and first embodiment are basic identical, difference is that accepting groove 223 middle parts between adjacent two ribs 222 are provided with the connecting portion 224 that connects two ribs 222, this connecting portion 224 is positioned at the bottom of accepting groove 223, a little less than the groove floor of accepting groove 223, the fixed arm 32 and the lever arm 33 of conducting terminal 3 lay respectively at connecting portion 224 both sides.The setting of connecting portion 224, can increase the bonding strength of resettlement section 221, and can deviate to provide the space for making things convenient for mould (not shown) in the forming process, and some thimbles (not shown) that are used for the demoulding promptly are set in connecting portion 224 positions, deviate from from mould to make things convenient for top board 22.

Consult shown in Figure 7ly, two clamping limbs of a conducting terminal 3 of the utility model are contained in the same accepting groove 223 and the clamping limb of this conducting terminal 3 extends along diagonal and arranges.The accepting groove 223 that is provided with on the rib 222 is made up of a semicircle accepting groove 2231 and a semiellipse accepting groove 2232, and wherein the fixed arm 32 of conducting terminal 3 is contained in the semicircle accepting groove 2231, and lever arm 33 is contained in the oval accepting groove 2232.

The specific operation process of this electric connector is as follows: when actuator 5 is positioned at initial position, actuator 5 is away from pedestal 2, when actuator 5 is applied downward pressing force, actuator 5 drives sliding panel 21 and top board 22 slides along diagonal, snap close piece 4 is driven part 5 and opens, the lever arm 33 of conducting terminal 3 is pushed open by the drive block 21 of sliding panel 21 bottoms, as shown in Figure 7 and Figure 8, put into chip module 1 this moment, and then remove external force, lever arm 33 is done return motion with sliding panel 21 and top board 22, lever arm 33 touches tin ball 10 earlier in Recovery Process, lever arm 33 then, sliding panel 2, top board 22 and tin ball 10 continue to do to reply action, the clamping part 320 of last lever arm 33 and fixed arm 32 together, 330 common clamping tin balls 10 are as Fig. 9 and shown in Figure 10.Because lever arm 33 is arranged in the oval accepting groove 2232, therefore can increase the activity space of tin ball 10 on length, make accepting groove 223 be difficult for interfering with tin ball 10.

Emphasis structure of the present utility model is that the resettlement section 221 of top board 22 is made up of some ribs, along on the diagonal, be communicated with between adjacent two accepting grooves 223, the clamping limb of conducting terminal is not subjected to the restriction of accepting groove 223, therefore saved the space, increase the activity space of accommodating conducting terminal 3, also can increase the arranging density of conducting terminal 3 simultaneously.

Below only be preferred embodiment of the present utility model, other any improvement conversion of being done on the present embodiment basis also should not break away from the technical solution of the utility model.

Claims

1. electric connector, be used to electrically connect a chip module, it comprises: pedestal, be contained in the plurality of conductive terminals in the pedestal, be located at pedestal top can with respect to pedestal up and down slippage actuator and be located at the pedestal both sides and when actuator openable snap close piece during to lower slider, described pedestal comprises body, be located to reach with respect to the sliding panel that body slides with sliding panel on the body and fix and the top board together mobile with sliding panel, it is characterized in that: described top board comprises the shaped as frame edge part and is positioned at the resettlement section that edge part is used to accommodate conducting terminal, described resettlement section comprises the rib that some intervals are provided with, the common accepting groove of accommodating chip module tin ball that forms on adjacent two ribs, conducting terminal is contained in the formed gap of adjacent rib, and no plastic cement wall between the adjacent conductive terminal in same gap.

2. electric connector as claimed in claim 1 is characterized in that: described accepting groove is the non-groove that runs through the rib bottom on described rib.

3. electric connector as claimed in claim 1 is characterized in that: described accepting groove is arranged in array on the resettlement section, and the accepting groove that every capable accepting groove is adjacent on the diagonal of vertical top board is staggered arrangement.

4. electric connector as claimed in claim 1 is characterized in that: described conducting terminal comprises " U " shape kink, extends the needle-like pin of setting and a fixed arm and lever arm that is extended upward setting by the both sides of kink downwards by kink.

5. electric connector as claimed in claim 4 is characterized in that: described accepting groove comprises a semicircle accepting groove and a semiellipse accepting groove, and the fixed arm of wherein said conducting terminal is contained in the circular accepting groove, and lever arm is contained in the oval accepting groove.

6. electric connector as claimed in claim 1 is characterized in that: described accepting groove middle part is provided with the connecting portion that connects two ribs, and this connecting portion is lower than the bottom of accepting groove.

7. electric connector as claimed in claim 1 is characterized in that: this electric connector further comprises the baffle that is positioned at the body bottom, and this baffle can slide up and down with respect to body.

8. electric connector as claimed in claim 1 is characterized in that: described sliding panel is provided with projection in the place, diagonal angle, and projection is provided with an arcwall face, and described actuator is provided with the drive division that cooperates with projection.