TWI423532B - Electrical connector terminal - Google Patents

Description

Electrical connector terminal

The present invention relates to an electrical connector terminal, and more particularly to a structure in which the electrical connector terminal is snap-fitted.

An electrical connector terminal for electrically connecting a chip module to a printed circuit board, as disclosed in US Pat. No. 7,025,602, the electrical connector terminal including an upper conductive terminal, a lower conductive terminal, an elastic member, and a body . The body is wrapped around the upper and lower conductive terminals to guide the movement of the two conductive terminals. The elastic member is disposed between the upper and lower conductive terminals to provide an elastic force for the upper and lower conductive terminals to move in the vertical direction in the body.

The upper and lower conductive terminals have a rod-like structure, and the body has a tubular structure, which is made of a copper alloy and has a gold-plated surface. The upper and lower conductive terminals and the elastic member are housed in the body. The body has a tubular structure and the two turns are narrow to prevent the upper and lower conductive terminals from coming off the body when moving.

However, the terminal structure of the electrical connector is relatively complicated, manufacturing is difficult, and the hollowed-out area where the upper and lower terminals are matched has a risk of test contact, which affects the normal electrical connection function of the electrical connector terminal.

Therefore, it is necessary to improve the existing technology to overcome the above drawbacks.

The technical problem to be solved by the present invention is to provide an electrical connector terminal which has a simple structure and a high degree of cooperation.

To solve the technical problem, the present invention provides an electrical connector terminal including a first terminal, a second terminal, and an elastic member disposed at a periphery of the first terminal and the second terminal, wherein the first terminal is provided with One of the central symmetry pairs and the first terminal corresponding to the first terminal are provided with a pair of centrally symmetrical second docking arms, and the first and second docking arms are fastened to form Rectangularly arranged, the first docking arms are respectively disposed at diagonal positions of the rectangle, and the second docking arms are respectively disposed at another diagonal position of the rectangle.

Compared with the prior art, the electrical connector terminal of the present invention has a simple structure, and the first and second docking arms are fastened to form a rectangular arrangement, which ensures that the first and second terminals are located at the center of the spring when subjected to relative movement of the external pressure, thereby avoiding The terminal is skewed. In addition, one of the first terminals to the first butt arm and the second terminal to the second butt arm can form two sets of interlocking states, thereby forming a plurality of sets of snap-on conduction paths.

Please refer to the first to sixth figures, which are disclosed as an electrical connector terminal 1 according to the present invention for electrically connecting a chip module (not shown) to a printed circuit board (not shown). ). The electrical connector terminal 1 includes a first terminal 2, a second terminal 3, and an elastic member 4 disposed around the periphery of the two conductive terminals 2, 3.

The first terminal 2 includes an abutting portion 21 connected to a printed circuit board (not shown), a first limiting portion 22 located at a top end of the abutting portion 21 and vertically protruding toward the two sides, and perpendicular to the first limiting portion 22 A first docking arm 23 extending upwardly and symmetrically disposed in a center. The aforementioned first limiting portion 22 is used to define the elastic member 4. The first docking arm 23 includes first and second elastic arms 231 and 232. The first elastic arm 231 has a first hook 233 extending from the end thereof, and the end of the second elastic arm 232 extends to extend with the first hook 233. The second hook 234 is opposite in direction. The first hook 233 is provided with an inclined guiding surface 2331 and a first inclined surface 2332. The second hook 234 is provided with an inclined guiding surface 2341 and a second inclined surface 2342.

The second terminal 3 is provided with a guiding portion 31 that can be guided to a wafer module (not shown). A pair of second limiting portions 32 perpendicular to the guiding portion 31 are protruded from the bottom end of the guiding portion 31 to define the elastic member 4. The second terminal 3 further includes a second docking arm 33 extending downwardly from the second limiting portion 32 and disposed symmetrically in a center. The first and second docking arms 23, 33 are fastened to form a rectangular row Column. The second docking arm 33 includes third and fourth spring arms 331, 332. The first docking arms 23 are respectively disposed at diagonal positions of the rectangle, and the second docking arms 33 are respectively disposed at another diagonal position of the foregoing rectangle. A third hook 333 extends from the end of the third elastic arm 331 , and a fourth hook 334 extending in a direction opposite to the third hook 333 extends from the end of the fourth elastic arm 332 . The mating surface of the first elastic arm 231 and the third elastic arm 331 are inclined, and the mating surfaces of the second and fourth elastic arms 232 and 332 are inclined surfaces, so that the first and second terminals 2 and 3 move in opposite directions. At this time, the mating faces of the two terminal abutting arms 23, 33 can be in close contact. The first hook 233 is provided with an inclined guiding surface 2331 and a first inclined surface 2332. The second hook 234 is provided with an inclined guiding surface 2341 and a first inclined surface 2342. The third hook 333 is provided with an inclined guiding surface 3331 and a third inclined surface 3332. The third slope 3332 of the third hook 333 can be in close contact with the first slope 2332 of the first hook 233. The fourth hook 334 is provided with an inclined guiding surface 3341 and a fourth inclined surface 3342. The fourth slope 3342 can be in close contact with the second slope 2342 of the second hook 234. The first elastic arm 231 is provided with a first inner side surface 25, and the fourth elastic arm 332 is provided with a fourth inner side surface 35 that abuts the first inner side surface 25. The first and fourth elastic arms 231, 332 pass through the first inner side surface. 25 is in contact with the fourth inner side 35 to achieve a conductive path. The second elastic arm 232 is provided with a second inner side surface 25, and the third elastic arm 331 is provided with a third inner side surface 35 that abuts the second inner side surface 25. The second and third elastic arms 232, 331 pass through the second inner side surface. 25 is in contact with the third inner side 35 to achieve a conductive path.

The elastic member 4 is a spring located at a periphery of the first docking arm 23 of the first terminal 2 and the second docking arm 33 of the second terminal 3. Both ends of the elastic member 4 abut against the first limiting portion 22 of the first terminal 2 and the second limiting portion 32 of the second terminal 3. After the elastic member 4 is pressed, it undergoes expansion and contraction deformation and moves up and down.

When assembling, the elastic member 4 is first sleeved on the first butt arm 23 of the first terminal 2, and then the second terminal 3 is inserted into the elastic member 4. The first hook 233 of the first terminal 2 and the third hook 333 of the second terminal 3 are buckled and engaged under the mutual guiding of the guiding surface 2331 and the guiding surface 3331. At this time, the first oblique The face 2332 is in close contact with the third slope 3332. The second elastic arm 232 of the first terminal 2 and the fourth elastic arm 332 of the second terminal 3 are guided by the guiding surface 2341 of the second hook 234 and the guiding surface 3341 of the fourth hook 334. The second hook 234 is engaged with the fourth hook 334. At this time, the first slope 2332 of the first hook 233 is in close contact with the third slope 3332 of the third hook 333. When the second terminal 3 moves toward the first terminal 2, the first inner side surface 25 of the first elastic arm 231 abuts the second inner side surface 25 of the third elastic arm 331, and the second inner side surface 25 of the second elastic arm 232 It is in close contact with the fourth inner side surface 35 of the fourth elastic arm 332.

The electrical connector terminal 1 provided by the present invention has the following features: the first and second docking arms 23, 33 are fastened to form a rectangular arrangement, which ensures that the first and second terminals 23, 33 are located in the spring when subjected to external pressure relative movement. The center thus avoids skewing of the first and second terminals 23, 33 and affecting electrical contact. In addition, one of the first terminal 2 pair of the first butt arm 23 and the second terminal 3 to the second butt arm 33 can form two sets of interlocking states, thereby forming a plurality of sets of snap-on conduction paths.

In summary, the creation has indeed met the requirements of the invention patent, and the patent application was filed according to law. However, the above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application.

1‧‧‧Electrical connector terminals

2‧‧‧First terminal

21‧‧‧Docking Department

22‧‧‧First Limitation

23‧‧‧First docking arm

231‧‧‧First arm

232‧‧‧Second arm

233‧‧‧ first hook

2331‧‧‧ Guide surface

2332‧‧‧ first slope

234‧‧‧Second hook

2341‧‧‧ Guide surface

2342‧‧‧second bevel

3‧‧‧second terminal

31‧‧‧Guidance

32‧‧‧Second Limitation

33‧‧‧Second butt arm

331‧‧‧ Third arm

332‧‧‧fourth arm

333‧‧‧ third hook

3331‧‧‧ Guide surface

3332‧‧‧3rd bevel

334‧‧‧ fourth hook

3341‧‧‧ Guide surface

3342‧‧‧4th bevel

25‧‧‧ first and second inner sides

35‧‧‧ Third and fourth inner sides

4‧‧‧Flexible parts

The first figure is a perspective assembled view of the electrical connector terminals of the present invention.

The second figure is a perspective view of the first terminal and the second terminal shown in the first figure.

The third figure is an exploded view of the terminal of the electrical connector of the present invention shown in the first figure.

The fourth figure is a right side view of the first terminal and the second terminal shown in the third figure.

The fifth drawing is a left side view of the electric first terminal and the second terminal shown in the third figure.

The sixth drawing is a cross-sectional view of the first terminal and the second terminal of the present invention.

2‧‧‧First terminal

21‧‧‧Docking Department

22‧‧‧First Limitation

23‧‧‧First docking arm

231‧‧‧First arm

232‧‧‧Second arm

234‧‧‧Second hook

3‧‧‧second terminal

31‧‧‧Guidance

32‧‧‧Second Limitation

33‧‧‧Second butt arm

331‧‧‧ Third arm

332‧‧‧fourth arm

334‧‧‧ fourth hook

35‧‧‧ Third and fourth inner sides

Claims (10)

An electrical connector terminal includes: a first terminal provided with a pair of first docking arms; a second terminal corresponding to the first terminal is provided with a pair of second docking arms, and the first and second docking arms are fastened to form a rectangle Arranging, the first docking arms are respectively disposed at diagonal positions of the rectangle, the second docking arms are respectively disposed at another diagonal position of the rectangular shape; and the elastic members sleeved on the first terminal and the second terminal. The electrical connector terminal of claim 1, wherein the first docking arm comprises first and second elastic arms, and the end of the first elastic arm extends with a first hook, and the end of the second elastic arm A second hook opposite to the direction in which the first hook extends is provided. The electrical connector terminal of claim 2, wherein the first terminal comprises an abutting portion for connecting with an external printed circuit board, and the protruding portion is protruded from both sides of the butting portion for limiting the elastic member. The first limiting portion extends from the first limiting portion. The electrical connector terminal of claim 2, wherein the second docking arm of the second terminal comprises a third and fourth elastic arms, and the end of the third elastic arm is extended to be fastened with the first hook In cooperation with the third hook, the end of the fourth elastic arm is provided with a fourth hook that is opposite to the third hook extending direction and cooperates with the second hook. The electrical connector terminal of claim 4, wherein the mating faces of the first and third elastic arms are inclined faces, and the mating faces of the second and fourth elastic arms are inclined faces, which can make the first and second The terminals are moved to each other, and the mating faces of the two terminal abutting arms can be in close contact with each other. The electrical connector terminal of claim 4, wherein the first elastic arm is provided with a first inner side surface, and the fourth elastic arm is provided with a fourth inner side surface that abuts the first inner side surface, and the second elastic body The arm is provided with a second inner side, and the third elastic arm is provided with a third inner side that abuts the second inner side. The electrical connector terminal of claim 4, wherein the second terminal comprises a guiding portion for connecting to a chip module, and protruding from both sides of the guiding portion for limiting elasticity The second limiting portion of the piece extends from the second limiting portion. The electrical connector terminal of claim 4, wherein the first hook is provided with a first inclined surface, and the fourth hook is provided with a fourth inclined surface to be in close contact with the first inclined surface of the first hook. The electrical connector terminal of claim 8, wherein the second hook is provided with The second bevel is provided with a third bevel to be in close contact with the second bevel of the second hook. The electrical connector terminal of claim 9, wherein the first, second, third, and fourth hooks are respectively provided with inclined guiding faces.