CN201160139Y - electrical connector - Google Patents

Abstract

The utility model discloses an electrical connector for connecting a chip module to a circuit board, which comprises a base with a receiving cavity, a cover assembled on the base and capable of moving up and down relative to the base, and a cover assembled on the base. The terminal module in the accommodating cavity; the terminal module holds a plurality of conductive terminals, and the conductive terminal has a sheet-shaped contact portion protruding from the terminal module. The electrical connector of the present invention can be applied to a chip module whose bottom end is spherical , and can also be applied to a chip module with a rod-shaped bottom end.

Description

electrical connector

【Technical field】

The utility model relates to an electric connector, in particular to an electric connector for connecting a chip module to a circuit board.

【technical background】

U.S. Patent No. 6,267,603 discloses an existing electrical connector used to connect chip modules. Refer to Figure 15 of this patent. The top of the conductive terminal is in a fork-shaped structure, which can reliably contact the ball-shaped pins at the bottom of the chip module. And to achieve electrical connection, the terminal of this structure is usually only suitable for matching with the ball terminal pin, if the terminal pin at the bottom of the chip module is a rod-shaped structure, the connection effect of this terminal is not good, and the chip module is assembled on the electric It is easy to shake when the connector is inserted, which is not conducive to the normal operation of the electrical connector.

Therefore, it is indeed necessary to improve the existing electrical connectors to overcome the aforementioned defects of the prior art.

【Content of utility model】

The purpose of the utility model is to provide an electrical connector capable of connecting chip modules with different pin structures.

The purpose of this utility model is achieved through the following technical solutions: an electrical connector, which includes a base with a receiving cavity, a cover assembled on the base and capable of moving up and down relative to the base, and a cover assembled on the base The terminal module in the accommodating cavity is described; the terminal module holds a plurality of conductive terminals, and the conductive terminals have sheet-shaped contact parts protruding from the terminal module.

Compared with the prior art, the electrical connector of the utility model is not only applicable to a chip module with a ball-shaped bottom leg, but also suitable for a chip module with a rod-shaped bottom leg.

【Description of drawings】

FIG. 1 is a three-dimensional assembled view of the electrical connector of the present invention, wherein the chip module is accommodated in the electrical connector.

Fig. 2 is a three-dimensional exploded view of the electrical connector of the present invention.

FIG. 3 is a three-dimensional exploded view of the terminal module of the electrical connector of the present invention.

FIG. 4 is an exploded perspective view from another angle of the terminal module of the electrical connector of the present invention.

FIG. 5 is a perspective view of a chip module connected to the electrical connector of the present invention.

FIG. 6 is a partial perspective enlarged view of the chip module in FIG. 5 .

FIG. 7 is a side view when the conductive terminal of the electrical connector of the present invention is connected to the chip module shown in FIG. 5 .

【Detailed ways】

Please refer to Fig. 1 and Fig. 2, the utility model is an electrical connector 100 for connecting a chip module 80 to a circuit board (not shown), which includes a base 10, a terminal module 20 accommodated in the base 10, an installation The receiving member 60 used to mount the chip module 80 on the base 10, the cover 40 mounted on the base 10 and capable of moving up and down relative to the base 10, and the card driven by the cover 40 to press the chip module 80 Fastener 70.

Please refer to FIG. 2 , the base 10 is provided with a receiving cavity 13 , and the receiving cavity 13 accommodates two groups of terminal modules 20 and the spacer 15 clamped therein. A plurality of positioning rods 50 pass through the base 10 , the terminal module 20 and the spacer 15 sequentially along the horizontal direction to position the terminal module 20 in the base 10 . The four feet of the base 10 are provided with spring holes 14, the top faces of the two opposite sides of the base 10 are concavely provided with four slots 12, and the outer sides of the two opposite sides of the base 10 are concavely provided with channels. 11. The receiving member 60 is used for carrying the chip module 80 and erected on the spacer 15 , and the terminal modules 20 are located on two sides of the receiving member 60 . The four corners of the receiving member 60 extend downwards from buckles 61 , and the receiving member 60 is inserted into the slot 12 of the base 10 . The four corners of the cover 40 extend downwards with locking feet 41 , and the locking feet 41 are locked in the groove 11 of the base 10 and can move up and down therein. The spring piece 43 is sleeved on the cylindrical foot 42 extending from the bottom of the cover 40 and inserted into the spring hole 14 of the base 10. After the cover 40 is pressed down, the cover 40 can be reset by the spring piece 43 . A pair of connecting parts 44 are respectively provided on the opposite sides of the cover body 40. The connecting parts 44 are provided with shaft holes 440, wherein the rotating shaft 441 passes through the buckle 70 and connects with the shaft holes 440. The buckle 70 is driven by the cover 40 and can be engaged. Buckled on the surface of the chip module 80 .

Please refer to FIG. 3 and FIG. 4 , the terminal module 20 is composed of a pair of holding plates 21 and a plurality of conductive terminals 22 clamped between the holding plates 21 . The holding plate 21 is in the shape of a sheet, and its two opposite upper and lower edges are respectively formed with an upper partition 210a and a lower partition 210b arranged in the horizontal direction, and a middle partition for holding the conductive terminal 22 is provided at the middle position of the holding plate 21 211. Four positioning holes 212 through which the positioning rods 50 pass are defined on the other two opposite sides of the holding plate 21 .

Please refer to FIG. 3 and FIG. 5, the upper and lower ends of the conductive terminal 22 respectively form a contact portion 220 and a fixed portion 221, the contact portion 220 is bent vertically outward to form a sheet structure, and the fixed portion 221 is used to connect to The circuit board, the contact part 220 and the fixing part 221 are respectively connected to an arc-shaped bending part 222, and a vertically extending connecting part 223 is formed between the two bending parts 222. column 211. When the conductive terminal 22 is pressed into the holding plate 21, the lower part of the contact part 220 of the conductive terminal 22 is pressed into the partition 210b, the upper part of the fixed part 221 is pressed into the partition 210a, and the connection part 223 is pressed into the middle partition. 211 in.

Please refer to FIG. 5 to FIG. 7 , the end pin 81 of the bottom wall of the chip module 80 includes a tapered portion 810 at the root and a cylindrical portion 811 extending from the tapered portion 810, and the cylindrical portion 811 is connected to the conductive terminal 22. The contact bottom surface of the contact portion 220 is a plane. When the chip module 80 is assembled into the electrical connector 100, the contact portion 220 in sheet form will be pressed down by the chip module 80 and cause the bending portion 222 connected to the contact portion 220 to produce lateral deformation relative to the fixed connection portion 223 , the fixed portion 221 is connected to the circuit board, which also causes the bending portion 222 connected to the fixed portion 221 to produce lateral deformation relative to the connecting portion 223 fixed in the middle.

The contact portion 220 of the conductive terminal 22 of the electrical connector 100 of the present invention is bent into a sheet structure, and the contact portion 220 protrudes from the upper surface of the terminal module 20 to contact the column portion 811 of the chip module 80 . Since the contact portion 220 of the conductive terminal 22 of the present invention is bent into a sheet structure, it can also be in contact with the end pins of the spherical structure, that is, the electrical connector of the present invention is also suitable for chip modules with spherical end pins , which can save the cost of replacing the electrical connector.

Claims (10)

1. An electrical connector, comprising: a base provided with a receiving chamber, a cover assembled on the base and capable of moving up and down relative to the base, and a terminal module assembled in the receiving chamber; the terminal module A plurality of conductive terminals are fixed; the feature is that the conductive terminals have sheet-shaped contact parts that protrude from the terminal module. 2. The electrical connector according to claim 1, wherein the terminal module has a pair of holding plates clamping and fixing the conductive terminals. 3. The electrical connector according to claim 2, characterized in that: the holding plate is in the shape of a sheet, and the two opposite edges and the middle position of the holding plate are respectively formed with partitions arranged in the horizontal direction, and at the middle position of the holding plate A partition bar for holding the conductive terminals is provided. 4. The electrical connector according to claim 3, wherein the conductive terminal has an arc-shaped bent portion, and the bent portion is respectively connected to the contact portion and the fixing portion. 5. The electrical connector according to claim 4, wherein the barrier is provided with upper, middle and lower sections, the part below the contact part of the conductive terminal is pressed into the lower barrier, and the upper part of the fixed part The part is pressed into the upper partition, and the connecting part is pressed into the middle partition. 6. The electrical connector as claimed in claim 5, characterized in that: the bending part has two sections, an upper part and a lower part, the upper bending part is deformed between the contact part and the connecting part, and the lower bending part is deformed between the connecting part and the fixing part. deformation between. 7 . The electrical connector according to claim 6 , wherein the plurality of conductive terminals are in contact with the chip module, and there is a receiving part in the receiving cavity, and the upper surface of the receiving part is used to carry the chip module. 8 . 8. The electrical connector according to claim 7, characterized in that: the receiving cavity further accommodates pads, the terminal modules are a pair of terminal modules, and the pads are clamped between the terminal modules and accommodated in the housing. cavity. 9. The electrical connector as claimed in claim 8, wherein the base further comprises positioning rods, and the plurality of positioning rods are received in the base through the base, the terminal module and the spacer. 10. The electrical connector according to claim 9, wherein a pair of connecting parts are respectively provided on opposite sides of the cover body, wherein the cover body further includes a rotating shaft, and the connecting part is connected to the buckle through the rotating shaft, The fastening part is driven by the cover to be fastened on the surface of the chip module.

Images