CN201303187Y - Electric connector - Google Patents

Abstract

An electrical connector is used to electrically connect a chip module and a circuit board, which includes an insulating body provided with a plurality of terminal holes, a plurality of conductive terminals accommodated in the terminal holes of the insulating body, a sliding part installed in the insulating body, and a A driver that drives the slider to slide within the insulating body. The insulating body is provided with a receiving chamber for receiving the sliding part, and the receiving chamber is surrounded by a plurality of side walls. An opening is formed on one side of the accommodating cavity, and the sliding member can slide into the accommodating cavity from one side of the insulating body through the opening. The lateral sidewall extends toward the receiving cavity with a stopper, which restricts the vertical movement of the slider, thereby preventing the slider from floating in the vertical direction, and ensuring a stable electrical connection between the electrical connector and the chip module .

Description

Electric connector

[technical field]

The utility model is about a kind of electric connector, especially in regard to a kind of electric connector that electrically connects chip module and circuit board.

[background technology]

Be used for the electric connector of test chip module at present, in order to adapt to the requirement of HTHP, the equal more complicated of structure.As shown in Figure 1; be I280693 number disclosed a kind of electric connector 100 ' that is used for testing soldered ball formula (Ball Grid Array) chip module (not shown) of TaiWan, China patent announcement; it mainly comprises body 1 '; be loaded on the last Plug Division 2 ' above the body 1 ' and be loaded on the following lower inlaying grafting part 3 ' of body 1 '; be loaded on the locker 5 ' on the Plug Division 2 ' and be installed on the driving body 4 ' that can drive locker 5 ' on the body 1 '; body 1 '; be equipped with plurality of conductive terminals 16 ' in last Plug Division 2 ' and the lower inlaying grafting part 3 ', electric connector 100 ' bottom is provided with the baffle 6 ' that can protect conducting terminal 16 '.The last Plug Division 2 ' of squarely is contained in the top chamber of body 1 ' substantially, its centre position, relative both sides is provided with storage tank 20 ', be respectively equipped with hole (not shown) on the storage tank 20 ' two side, storage tank 20 ' both sides are extended with trip 22 ' respectively downwards, and these trips 22 ' can hold body 1 ' and upward be fixed on the body 1 ' will go up Plug Division 2 '.Last Plug Division 2 ' middle position is provided with the upper terminal hole 26 ' corresponding with the intermediate terminal hole 14 ' of body 1 '.Driving body 4 ' is installed on body 1 ' top, the corresponding cylinder 44 ' of mating holes 13 ' that is provided with on 1 ' four angles of body is extended towards body 1 ' respectively in four corners of driving body 4 ', cylinder 44 ' can be inserted in the mating holes 13 ' of body 1 ', and cooperate, thereby driving body 4 ' can be moved up and down in vertical direction with spring 18 '.

In the above-mentioned electric connector 100 ', last Plug Division 2 ' is to hold on the body 1 ' by trip 22 ', when driving body 4 ' presses down backhaul, the trip 22 ' of last Plug Division 2 ' deforms easily, thereby cause Plug Division 2 ' to float, cause the height of the tin ball of conducting terminal 16 ' relative chip module (not shown) to change, thereby can not contact with the tin ball of chip module (not shown) well, and then influence electric connection between chip module (not shown) and testing circuit board (not shown).In addition, last Plug Division 2 ' is the body 1 of vertically packing into from top to down, causes the fracture of trip easily.

In view of above-mentioned condition, necessaryly provide a kind of novel electric connector to solve the deficiency that exists in the prior art scheme.

[utility model content]

The purpose of this utility model provides and a kind ofly is easy to assemble and electric connector that performance is more stable.

The technical scheme that the utility model adopted is as follows: a kind of electric connector, be used for electrically connecting chip module and circuit board, it comprises the insulating body that is provided with the plurality of terminals hole, be placed in plurality of conductive terminals in the insulating body terminal hole, be installed in the sliding part in the insulating body and can drive the actuator that sliding part slides in insulating body.Insulating body is provided with the host cavity that is used for accommodating sliding part, and host cavity is enclosed by some sidewalls and forms.One side of described host cavity is provided with opening, and in described sliding part can break away host cavity from one of insulating body by described opening, described sidewall was extended with the stop section towards host cavity, the motion of stop section limit slippage part in the vertical direction.

Compare with prior art, the utlity model has following beneficial effect: the utility model electric connector can be avoided floating of sliding part, guarantees the reliable electric connection of conducting terminal and chip module tin ball; In addition, the slider structure of this electric connector is simple, and is easy to assembly.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of electric connector in the prior art.

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

Fig. 3 is the three-dimensional exploded view of electric connector shown in Figure 2.

Fig. 4 is that sliding part partly slips into the interior view of insulating body in the electric connector shown in Figure 2.

Fig. 5 is that sliding part is assembled into the interior view of insulating body fully among Fig. 4.

Fig. 6 is that the combination A-A of sliding part shown in Fig. 5 and insulating body is to cutaway view.

Fig. 7 is the stereo amplification figure of electric connector conducting terminal shown in Figure 2.

Fig. 8 is the face upwarding stereogram of electric connector sliding part shown in Figure 2.

[embodiment]

As shown in Figure 2 to Figure 3, a kind of electric connector 100 that is used for testing soldered ball formula (Ball Grid Array) chip module (not shown) can electrically connect chip module (not shown) to circuit board (not shown).It mainly comprises insulating body 1, be placed in plurality of conductive terminals 2 in the insulating body 1, be installed in sliding part 3 in the insulating body, can drive actuator 4 that sliding part 3 slides in insulating body 1, be installed on insulating body 1 below and be relatively fixed part 5 and be positioned at below the fixture 5 and be fixed in guard member 6 on the insulating body 1 of sliding part 3.Between insulating body 1 and the actuator 4 elastic component 7 is installed, elastic component 7 is a spring in the present embodiment.Locker 8 further is installed on the sliding part 3, is used for chip module (not shown) is fixed on sliding part 3 tops.

Insulating body 1 is cuboid substantially, and it comprises the longitudinal side wall 13 that tabular main part 11 and autonomous body 11 extend upward two relative lateral sidewalls 12 that form and connect two lateral sidewalls 12. Sidewall 12,13 and main part 11 enclose jointly and form the host cavity 14 that one one side has opening (not label), and host cavity 14 is used to accommodate sliding part 3, and sliding part 3 can slip in the host cavity 14 by opening (not label).Main part 11 middle parts are provided with some intermediate terminal holes 15 that are arranged, are used to accommodate plurality of conductive terminals 2.Be respectively equipped with mating groove 16 on four corner location of insulating body 1, the bottom of insulating body 1 is provided with cylinder 17, and elastic component 7 parts are contained in the mating holes 16, and cylinder 17 can be installed to circuit board (not shown) and go up so that electric connector 100 is located.The relative both sides of insulating body 1 also are respectively equipped with cell body 18, to be slidingly fitted with actuator 4.The two ends of sidewall 12 are extended with tabular stop section 121 towards host cavity 14 respectively, and after sliding part 3 slipped into host cavity 14, stop section 121 pressed on the upper surface of sliding part 3, move with limit slippage part 3 in the vertical directions.

Sliding part 3 is contained in the host cavity 14 of insulating body 1, and it is the cuboid tabular substantially.Sliding part 3 comprises base portion 31 and the axial region 32 that extends to form to both sides respectively from base portion 31 two ends, and after sliding part 3 slipped into insulating body 1, axial region 32 was positioned at the below of the block card portion 121 of insulating body 1 just.One side of axial region 32 is provided with arc guide portion 33, plays guiding function when actuator 4 presses down.Base portion 31 middle parts offer the 15 corresponding upper terminal holes 34, intermediate terminal hole on some and the insulating body 1, are used to accommodate the top of conducting terminal 2.The centre position of the relative both sides of base portion 31 is provided with storage tank 35, and storage tank is respectively equipped with accepting hole 36 on 35 two sides.

Be equipped with a locker 8 in the storage tank 35 of sliding part 3 respectively, this locker 8 comprises bottom 81, the both sides of bottom 81 are respectively equipped with a pivot 82 and an action shaft 83, bottom 81 upwards bending is extended with latch part 84, and wherein pivot 82 can be installed in the set accepting hole 36 of storage tank 35 sidewalls of sliding panel 3.

Actuator 4 is installed on the insulating body 1, and the framework that is square substantially, and downward drawdown has prominent plate 41 to match with the cell body 18 in insulating body 1 outside around it, so that actuator 4 can move up and down along the cell body 18 of insulating body 1.4 four corners of actuator are respectively equipped with the projection 42 corresponding with the mating holes 16 of insulating body 1 towards insulating body 1, and projection 42 at first passes elastic component 7, is inserted into then in the mating holes 16 on 1 four corners of insulating body.Actuator 4 relative both sides and locker 8 correspondence positions are respectively equipped with two press sections 43, but this press section 43 action shaft on the pressing lock buckle device 8 83 in the process that actuator 4 moves down, so that locker 8 arrives opening by closure state.Actuator 4 both sides are extended the outside that bar shaped drive division 44, two drive divisions 44 that are provided with two downward extensions lay respectively at two press sections 43 respectively downwards, and drive division 44 ends are provided with circular arc and drive edge 45.Do not having external force to do the time spent, actuator 4 is subjected to the resilient support of elastic component 7 and is in the higher position, and this moment, locker 8 was in closure state, and when pressed by external force actuator 4, actuator 4 will move down, and its press section 43 pressing lock buckle devices 8 make it be in opening; Meanwhile, drive division 44 acts on the guide portion 33 of sliding part 3 mutually by driving edge 45, slides to a side in the host cavity 14 of insulating body 1 thereby promote sliding part 3.At this moment, can install or dismantle chip module (not shown).One end of sliding part 3 is equipped with spring 9, and the other end of spring 9 is conflicted on the sidewall 13 of insulating body 1.After the external force of cancelling on the actuator 4, spring 9 will drive sliding part 3 and reset, and locker 8 is closed simultaneously and chip module (not shown) is fixed on the top of sliding part 3.

Fixture 5 is installed in the below of insulating body 1 by screw (not shown), and it is tabular substantially, and the middle part offers the 15 corresponding some lower terminal holes 51, intermediate terminal hole with insulating body 1.

Emphasis is with reference to figure 7, and conducting terminal 2 comprises that the clamping limb 22 of being located at " U " shape kink 21, extending upward from the both sides of kink 21 reaches from kink 21 downward extended needle-like pins 23.Wherein, the head portion of clamping limb 22 extends the upper surface of sliding part 3, and its top is provided with the soldered ball (not shown) that clamping part 24, two clamping parts 24 were oppositely arranged and can clamp chip module, and pin 23 can be inserted in the circuit board (not shown).

With reference to shown in Figure 3, baffle 6 is installed on the below of insulating body 1, is used for protecting the pin 23 of conducting terminal 2.These baffle 6 both sides are provided with towards the extended relative plate 61 that holds of insulating body 1, and the middle part of baffle 6 is provided with the pin 23 corresponding circular holes 62 with conducting terminal 2, can protect pin 23 when electric connector 100 does not use not because of damaged by external force.

, when this electric connector 100 is installed, sliding part 3 can be inserted host cavity 14 from the opening (not label) of host cavity 14 1 sides of insulating body 1, and then integrally slip in the host cavity 14 to shown in Figure 6 as Fig. 4.At this moment, the axial region 32 of sliding part 3 is in the below of the stop section 121 of insulating body 1 just, thereby is contained in the host cavity 14 of insulating body 1.Compared with prior art, it is spacing that the sliding part 3 of the utility model electric connector 100 comes in the vertical direction to carry out by the stop section 121 of insulating body 1, in the start process of actuator 4, floating can not appear in sliding part 3, thereby guaranteed conducting terminal 2 soldered ball of clamping chip module (not shown) stably, guaranteed that chip module (not shown) is electrically connected to circuit board (not shown) well.

As Fig. 6 and shown in Figure 8, the bottom of sliding part 3 convexes with the sliding part 37 of conflict on insulating body 1 downwards, and in the present embodiment, sliding part 37 is hemisphere convex dot shape and the bottom of being located at each axial region 32.The setting of sliding part 37 when sliding part 3 is assembled in the host cavity 14 of insulating body 1 from a side, can be played good guiding function.Simultaneously, sliding part 37 has reduced the contact area of sliding part 3 and insulating body 1, thereby has reduced the frictional force between sliding part 37 and the insulating body 1, is convenient to actuator 4 and presses down driving sliding part 3 better and slide in the host cavity 14 of insulating body 1.

The stop section 121 of insulating body 1 is set to the tabular that extends internally from sidewall 12 tops in the foregoing description of the present utility model, thereby sliding part 3 is held in the below of stop section 121.The flank that protrudes towards host cavity 14 from the middle part of sidewall 12 also can be arranged in stop section 121, and the both sides of sliding part 3 are respectively equipped with the groove that can match with this flank, after sliding part 3 is gone into host cavity 14 from a sideslip, flank is housed in the groove just, as the same on the contrary, also can establish flank, and on the sidewall 12 of insulating body 1, establish groove in the both sides of sliding part 3.

Claims (10)

1. An electrical connector for electrically connecting a chip module and a circuit board, comprising an insulating body provided with several terminal holes, a plurality of conductive terminals accommodated in the terminal holes of the insulating body, and a sliding part installed in the insulating body and a driving part that can drive the sliding part to slide in the insulating body. The insulating body is provided with a storage chamber for accommodating the sliding part. The storage chamber is surrounded by a number of side walls. An opening through which the slider can slide into the storage cavity from one side of the insulating body, and a stop portion extends from the side wall toward the storage cavity, and the stop portion restricts the vertical movement of the slider. 2. The electrical connector according to claim 1, wherein the insulating body is in the shape of a cuboid, which includes two opposite side walls, and two ends of each side wall respectively extend toward the receiving cavity with a flat plate-shaped The stopper is pressed against the upper surface of the sliding member. 3. The electrical connector according to claim 2, wherein the sliding member is in the shape of a rectangular parallelepiped plate, which includes a base and shafts extending from both ends of the base to both sides, and the sliding member slides into the insulating After the main body, the shaft part is located just below the blocking part of the insulating main body. 4 . The electrical connector as claimed in claim 3 , wherein a driving part extending downward is provided on the driving member, and a driving edge is provided at an end of the driving part. 5. The electrical connector according to claim 4, wherein an arc-shaped guiding portion is provided on one side of the shaft portion of the sliding member, and when the driving member is pressed down, the driving part of the driving member passes through the driving edge and The guiding part of the sliding part interacts to push the sliding part to slide in the accommodation cavity of the insulating body. 6. The electrical connector according to any one of claims 1-5, wherein an elastic member is provided between the insulating body and the sliding member to allow the sliding member to return to an initial position after sliding. 7 . The electrical connector as claimed in claim 6 , wherein an elastic member is provided between the insulating body and the driving member to allow the driving member to return to an initial position after being pressed down. 8 . 8. The electrical connector according to claim 7, wherein a locking device is installed on the insulating body, and the locking device can be positioned between the open position where the chip module is placed and the closed position where the chip module is locked. move. 9. The electrical connector according to any one of claims 1 to 5, wherein a sliding portion protruding downward is provided at the bottom of the sliding member, and the sliding portion is in contact with the insulating body. 10. The electrical connector according to claim 9, wherein the sliding portion is in the shape of a hemispherical bump.

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