CN201478526U - electrical connector - Google Patents

Abstract

An electric connector includes an insulating body and a plurality of conductive terminals accommodated in the insulating body. Each conductive terminal includes an upper terminal and a lower terminal. The lower terminal is first assembled into the insulating body from bottom to top, and then the upper terminal is assembled into the insulating body from top to bottom. The top end of the lower terminal is provided with an upwardly extending elastic abutting portion, and the end of the upper terminal is provided with a downwardly extending receiving portion. After the entire conductive terminal is assembled, the receiving portion of the upper terminal is in conflict with the elastic abutting portion of the lower terminal, thereby realizing good electrical conduction between the upper terminal and the lower terminal.

Description

electrical connector

【Technical field】

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

【Background technique】

China Taiwan Patent No. M350121 discloses an electrical connector for testing, as shown in Figures 1 and 2, the electrical connector includes an insulating body 4' and a plurality of conductive terminals 100' accommodated in the insulating body 4'. The insulating body 4' includes an upper shell 41' and a lower shell 42', and the conductive terminal 100' is sandwiched between the upper and lower shells 41', 42'. The conductive terminal 100' includes a first terminal 1', a second terminal 2' and an elastic member 3'. The first terminal 1' includes a first contact portion 12' at one end and a docking portion 14' at the other end, and the second terminal 2' includes a second contact portion 22' and a clamping portion 21'. The elastic member 3' is located between the first terminal 1' and the second terminal 2', the abutting part 4' of the first terminal 1' extends along the vertical direction and matches with the clamping part 21' of the second terminal 2', and The first contact portion 12 ′ of the first terminal 1 ′ is deviated from the second contact portion 22 ′ of the second terminal 2 ′ in the vertical direction, so as to electrically connect the chip module and the circuit board with a certain offset of the conductive sheet.

However, the above-mentioned existing electrical connector 100' has the following problems in application: firstly, the lower terminal 2' is not easy to be inserted and inserted, and the assembly is more complicated; High; again, it is necessary to divide the insulating body 4' into upper and lower shells 41', 42' to facilitate the assembly of the entire conductive terminal 100', so the assembly of the entire electrical connector is complicated and the cost is high.

In view of the above situation, it is indeed necessary to provide an improved electrical connector to solve the shortcomings in the prior art solutions.

【Content of utility model】

The technical problem solved by the utility model is to provide an electrical connector with conductive terminals that are easy to assemble.

In order to achieve the above purpose, the utility model adopts the following technical solutions: an electrical connector for electrically connecting a chip module to a circuit board, which includes an insulating body and a plurality of conductive terminals accommodated in the insulating body. The insulating body includes an upper surface opposite to the chip module, a lower surface opposite to the circuit board, and several terminal accommodating grooves passing through the upper and lower surfaces. These conductive terminals are accommodated in corresponding terminal receiving grooves respectively, and each conductive terminal includes an upper terminal and a lower terminal. Wherein, the upper terminal is provided with an upper holding part and an upper elastic arm which is arranged above the upper holding part and extends upwards from the upper surface of the insulating body so as to abut against the chip module; The lower elastic arm extends out of the lower surface of the insulating body and abuts against the circuit board, and the elastic abutting portion bends upwards from the lower holding portion and abuts against the upper terminal.

Compared with the prior art, the beneficial effects of the utility model are as follows: the conductive terminal of the electrical connector is two-piece, which can be assembled from both sides of the insulating body respectively, and the upper and lower terminals are elastically abutted together without additional installation The elastic member can achieve good electrical conduction, so the cost is low and the assembly is convenient.

【Description of drawings】

FIG. 1 is an exploded perspective view of an electrical connector terminal related to the present invention.

Fig. 2 is a cross-sectional view of the electrical connector related to the present invention.

FIG. 3 is a perspective view of the first embodiment of the electrical connector of the present invention, showing only one conductive terminal and one terminal receiving groove.

FIG. 4 is a perspective view of the terminal receiving groove in the first embodiment.

5 is a perspective view from another direction of the terminal accommodating groove in the first embodiment.

Fig. 6 is a perspective view of the conductive terminal in the first embodiment.

FIG. 7 is a cross-sectional view of the electrical connector shown in FIG. 3 .

FIG. 8 is a perspective view of the conductive terminal in the second embodiment of the electrical connector of the present invention.

FIG. 9 is a partial view of a third embodiment of the electrical connector of the present invention.

FIG. 10 is a perspective view of the conductive terminal shown in FIG. 9 .

FIG. 11 is a perspective view of a conductive terminal in a fourth embodiment of the electrical connector of the present invention.

FIG. 12 is a perspective view of a conductive terminal in a fifth embodiment of the electrical connector of the present invention.

【Detailed ways】

3 to 7 show the first embodiment of the present utility model, the electrical connector 100 is mainly used to electrically connect the chip module (not shown) to the printed circuit board (not shown), which includes an insulating body 1 and The conductive terminal 2 is received in the terminal receiving groove 11 of the insulating body 1 .

3 to 5, the insulating body 1 includes an upper surface 12 opposite to the chip module (not shown) and a lower surface 13 opposite to the printed circuit board (not shown), and the terminal receiving groove 11 runs through the upper surface 12 and the lower surface 13 opposite to the printed circuit board (not shown). lower surface13. The opposite sides of the terminal receiving groove 11 are respectively provided with a first card slot 14 and a second card slot 15 for fixing the conductive terminal 2, the first card slot 14 penetrates the insulating body 1, and the second card slot 15 partially penetrates from the lower surface 13 The insulating body 1 also forms a blocking portion 151 .

Please refer to FIG. 6 and FIG. 7 below. The conductive terminal 2 is of two-piece type, which includes an upper terminal 21 and a lower terminal 22 accommodated in the terminal receiving groove 11 . Wherein, the upper terminal 21 includes an upper holding part 211 extending vertically, a feeding belt connecting part 212 extending vertically upward from the top of the upper holding part 211 , an upper feeding belt connecting part 212 extending upward from one side of the feeding belt connecting part 212. The elastic arm 213 and the elastic receiving portion 214 are bent and extended downward from the end of the holding portion 211 . The upper holding portion 211 is in the shape of a flat plate, and a plurality of barbs 2111 are provided on two sides thereof, so as to hold the upper holding portion 211 in the first slot 14 of the terminal receiving slot 11 . The upper elastic arm 213 forms an obtuse angle with the connecting portion 212 of the loading tape. The top end of the upper elastic arm 213 is provided with an arc-shaped contact portion 2131 extending from the upper surface 12 of the insulating body 1 to abut against the conductive sheet of the chip module (not shown). The lower terminal 22 includes a lower retaining portion 221 extending vertically, a lower elastic arm 222 extending downward from the end of the lower retaining portion 221 , and an elastic contact portion 223 bent upward from the lower retaining portion 221 . The lower holding part 221 is also in the shape of a flat plate, and a number of barbs 2211 are provided on its two sides, so that the lower holding part 221 is held in the second slot 15 of the terminal receiving groove 11, and the end of the lower holding part 221 is also vertically downward. Extended are lower material belt connecting portions 224 located on both sides of the lower elastic arm 222 . The lower elastic arm 222 is substantially "C" shaped, and has an arc-shaped contact portion 2221 extending from the lower surface 13 of the insulating housing 1 at its end to abut against a conductive piece of a printed circuit board (not shown).

In this embodiment, the elastic receiving portion 214 of the upper terminal 21 is roughly in the shape of an inverted hook, and the elastic abutting portion 223 of the lower terminal 22 is roughly in the shape of a positive hook, and the elastic receiving portion 214 and the elastic abutting portion 223 extend toward each other. The figure only shows one terminal receiving slot 11 and one conductive terminal 2 assembled in the terminal receiving slot 11 , but actually the electrical connector 100 includes several terminal receiving slots 11 and several conductive terminals 2 . During assembly, several lower terminals 22 are jointly connected to another material belt through the lower material belt connecting portion 224, and are implanted into the terminal receiving groove 11 from the side corresponding to the lower surface 13 of the insulating body 1. At this time, the lower terminals 22 are held part 221 is held in the second card slot 15, and the top of the lower holding part 221 is held against the stop part 151; several upper terminals 21 are connected to a material belt through the upper material belt connecting part 212, and the insulating body The side corresponding to the upper surface 12 of 1 is implanted into the terminal receiving groove 11. At this time, the upper holding part 211 of the upper terminal 21 is clamped in the first locking groove 14, and the elastic receiving part 214 is pressed against the elasticity of the lower terminal 22. On the abutting portion 223 , good electrical conduction is formed.

As shown in Figure 8, in the second embodiment of the present invention, the structure of the insulating body 1 of the electrical connector 100 is the same as that of the first embodiment, only the conductive terminal 3 is different from the structure of the conductive terminal 2 in the first embodiment. same. In this embodiment, the end of the upper terminal 31 is a plate-shaped receiving portion 312 vertically extending downward from the upper holding portion 311, and the elastic abutting portion 322 of the lower terminal 32 is bent upward from the end of the lower holding portion 321, and the elastic abutment An arc-shaped contact end 3221 is disposed at the end of the connecting portion 322 , and the contact end 3221 is in contact with the plate-shaped receiving portion 312 of the upper terminal 31 , thereby realizing electrical conduction between the upper and lower terminals 31 and 32 .

Figures 9 and 10 show the third embodiment of the present invention. In this embodiment, only one side of the terminal receiving groove 71 of the insulating body 7 of the electrical connector 100 has a card groove 72, and the conductive terminal 4 includes The upper terminal 41 and the lower terminal 42 , the upper holding portion 411 of the upper terminal 41 and the lower holding portion 421 of the lower terminal 42 are all held in the slot 72 on one side of the terminal receiving slot 71 . The elastic abutting portion 422 of the lower terminal 42 is bent upward from the top of the lower holding portion 421 and extends into a barb shape, the upper holding portion 411 is in the shape of a vertical plate, and the end of the elastic abutting portion 422 is held against one side of the upper holding portion 411 , so as to realize electrical conduction between the upper and lower terminals 41 and 42 .

Figure 11 shows the fourth embodiment of the present utility model, this embodiment is basically the same as the third embodiment, its insulating body is the same as the insulating body in the third embodiment, and the conductive terminal 5 includes a terminal holding on the insulating body The upper terminal 51 and the lower terminal 52 in the slot (not shown) on one side of the slot. The difference lies in that: the elastic abutment portion 522 of the lower terminal 52 is bent upward from the lower holding portion 521 and extends until it is close to the end of the upper elastic arm 511 of the upper terminal 51 , and the end of the elastic abutment portion 522 is formed with an arc-shaped contact portion 5221 . The end of the elastic arm 511 is in the shape of a vertical plate, and the elastic abutting portion 522 is abutted against the end of the upper elastic arm 511 through the contact portion 5221 , so as to realize electrical conduction between the upper and lower terminals 51 and 52 .

Figure 12 shows the fifth embodiment of the present utility model, which is basically the same as the third and fourth embodiments, and its insulating body is the same as that in the third embodiment, and the conductive terminal 6 includes The upper terminal 61 and the lower terminal 62 in the card groove (not shown) on one side of the terminal receiving groove. The difference lies in that: the elastic abutment portion 622 of the lower terminal 62 is bent upward from the lower holding portion 621 and extends to one side of the lower holding portion 621, and is in the shape of a horizontal hook, and an arc-shaped contact portion 6221 is formed at the end; the upper terminal 61 The end of the upper holding part 611 is bent toward the same side as the elastic abutment part 622 to extend an elastic receiving part 612. The end of the elastic receiving part 612 is in the shape of a vertical plate. One side of the end of the portion 612, so as to realize the electrical conduction between the upper and lower terminals 61, 62.

Claims (10)

1. An electrical connector for electrically connecting a chip module to a circuit board, which includes an insulating body and a plurality of conductive terminals accommodated in the insulating body, the insulating body includes an upper surface opposite to the chip module, and an upper surface opposite to the circuit board. The lower surface and a plurality of terminal receiving grooves running through the upper and lower surfaces, the conductive terminals are respectively accommodated in the corresponding terminal receiving grooves, and each conductive terminal includes an upper terminal and a lower terminal, wherein the upper terminal is provided with an upper terminal The holding part and the upper elastic arm which is arranged above the upper holding part and extends upwards out of the upper surface of the insulating body so as to abut against the chip module, the lower terminal is provided with a lower holding part, which extends downwards from the lower holding part to extend out of the insulating body The lower elastic arm abuts against the circuit board on the lower surface, and the elastic abutting portion bends upwards from the lower holding portion and abuts against the upper terminal. 2. The electrical connector according to claim 1, wherein the opposite sides of the terminal accommodating groove of the insulating body are respectively provided with a first slot for accommodating the upper holding portion of the upper terminal and a lower slot for accommodating the lower terminal. The second card slot of the holding part. 3. The electrical connector according to claim 2, characterized in that: the upper holding portion of the upper terminal is bent downwards and extends to form an elastic receiving portion which is in contact with the elastic abutting portion of the lower terminal, and the elastic abutting portion is in contact with the elastic abutting portion of the lower terminal. The elastic receiving parts extend toward each other and are hook-shaped. 4. The electrical connector according to claim 2, wherein the upper holding portion of the upper terminal vertically extends downward to form a plate-shaped receiving portion, and the elastic contact portion of the lower terminal is in contact with the plate-shaped receiving portion of the upper terminal. One side of the receiving part. 5. The electrical connector according to claim 3 or 4, wherein the upper holding portion of the upper terminal extends upwards out of the connecting portion of the feeding belt, and the upper elastic arm is connected to one side of the connecting portion of the feeding belt, The lower retaining portion of the lower terminal extends downwards with lower strip connecting portions located on both sides of the lower elastic arm. 6. The electrical connector according to claim 1, characterized in that: one side of the terminal accommodating groove of the insulating body is provided with a card slot, and the upper holding part of the upper terminal and the lower holding part of the lower terminal are both accommodated in the above-mentioned card slot. 7. The electrical connector according to claim 6, wherein the upper holding portion of the upper terminal is in the shape of a vertical plate, and the elastic contact portion of the lower terminal is in the shape of a hook and interferes with the upper holding portion of the upper terminal. side of the department. 8. The electrical connector according to claim 6, characterized in that: the upper holding part of the upper terminal extends upwards out of the connecting part of the feeding belt, the upper elastic arm is connected to one side of the connecting part of the feeding belt, and the upper elastic The end of the arm is in the shape of a vertical plate, and the elastic contact portion of the lower terminal is in contact with the end side of the upper elastic arm. 9. The electrical connector according to claim 6, characterized in that: the upper holding portion of the upper terminal is bent downwards and extends to form an elastic receiving portion which is in contact with the elastic abutting portion of the lower terminal, and the elastic abutting portion is in contact with the elastic abutting portion of the lower terminal. The elastic receiving part extends in the same direction and is hook-shaped. 10. The electrical connector according to any one of claims 7 to 9, characterized in that: the lower holding portion of the lower terminal extends downwards with lower strip connecting portions located on both sides of the lower elastic arm.

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