TWM586889U - Electrical connector - Google Patents

Abstract

An electrical connector includes an insulating body having a plurality of terminal grooves and terminals housed in the terminal grooves. The terminal grooves penetrate the upper and lower surfaces of the insulating body. The terminals include a main body portion and upper and lower elastic arms respectively connected to upper and lower ends of the main body portion. The upper spring arm includes a first part that is bent upward from the main body part to a top end and a second part that extends from the top part and then reverses downward. The lower spring arm includes a first part that is bent down from the main body part and extended to a bottom end. The first part and the second part extending upward from the bottom end, and the second part of the upper and lower elastic arms each include two spaced first arm portions and second arm portions. When the chip module is pressed down, the terminals When pressed, the two first arm portions are brought into contact with each other, and the two second arm portions are brought into contact with each other, which can implement multiple conductive paths of the terminals and improve signal transmission performance.

Description

Electric connector

The invention relates to an electrical connector, in particular to an electrical connector mounted on a circuit board and used to connect the circuit board and a chip module.

United States Patent No. US6824396B2 discloses an electrical connector for electrically connecting a circuit board and a chip module. The electrical connector includes an insulating body and conductive terminals that are held and extended from the upper and lower surfaces of the insulating body. The conductive terminals include The holding part and the upper and lower elastic arms respectively connecting the upper and lower ends of the holding part, the upper and lower elastic arms are respectively connected to a chip module and a circuit board, and the conductive terminals are connected when the chip module presses down the conductive terminals The chip module and the circuit board are electrically connected. Due to the current increasing requirements for the speed at which the electrical connector transmits high-frequency signals, this type of terminal having only a single channel for transmitting electrical signals limits its transmission rate.

Therefore, it is necessary to provide an improved electrical connector to overcome the above drawbacks.

The technical problem to be solved by the new model is to provide an electrical connector, which can improve the high-frequency characteristics of the terminal and increase the signal transmission rate of the terminal.

In order to solve the above technical problems, the present invention provides an electrical connector for assembling to a circuit board to electrically connect a chip module. The electrical connector includes an insulating body having a plurality of terminal slots and a plurality of one-to-one correspondences. A conductive terminal housed in the terminal slot, the insulating body having opposite upper and lower surfaces, the terminal slot penetrating the upper and lower surfaces, the conductive terminal having a "C" configuration and including upper and lower sides An extended main body portion and upper and lower elastic arms respectively connected to upper and lower ends of the main body portion; the upper elastic arms are connected to the chip module and include a first bending upwardly extending from the main body portion to a top end; A first part and a second part extending downward from the top end, and the lower elastic arm is connected to the circuit board and includes a first part bent down from the main body part to a bottom end, and The bottom part further extends upward in the opposite direction, and the second part of the upper and lower elastic arms each includes two spaced first and second arm portions. The upper arm when pressed It is in elastic contact with the lower elastic arm due to the pressure, the two first arm portions are in contact with each other, and the two second arm portions are in contact with each other.

Compared with the prior art, the new type has the following effects: when the conductive terminals of the new type of electrical connector are mated, the upper elastic arm abuts on the upper elastic arm and has three conductive paths arranged in parallel, which can reduce the total impedance value, Improve the high-frequency characteristics of the terminal and increase the signal transmission rate of the terminal.

Referring to the first to seventh figures, the novel electrical connector 100 is used for assembling to a circuit board (not shown) to electrically connect a chip module (not shown). The electrical connector 100 includes The insulating bodies 1 of the plurality of terminal slots 10 and the plurality of conductive terminals 2 accommodated in the terminal slots 10 one to one correspondingly. The insulating body 1 has an upper surface 11 and a lower surface 12 opposite to each other, and the terminal groove 10 penetrates the upper and lower surfaces 11 and 12. The conductive terminal 2 is provided in a “C” shape and includes a main body portion 20 extending up and down, and an upper elastic arm 21 and a lower elastic arm 22 respectively connected to upper and lower ends of the main body portion 20. The spring arm 21 is connected to the chip module and includes a first portion 211 that is bent upward from the main body portion 20 to a top end 210 and a second portion 212 that extends from the top end 210 and then downwards. The lower spring arm 22 is connected to the circuit board and includes a first portion 221 bent downward from the main body portion 20 to a bottom end 220 and a first portion 221 extending from the bottom end 220 and then extending upward. Two sections 222.

As shown in the third to sixth figures, the second portion 212 of the upper elastic arm 21 includes two first arm portions 2121 and a second arm portion 2122 spaced apart, and the second portion of the lower elastic arm 22 222 includes two spaced first arm portions 2221 and second arm portions 2222. When the chip module is pressed down, the upper elastic arm 21 and the lower elastic arm 22 are elastically abutted due to pressure. The first arm portions 2121 and 2221 are abutted together, and the two second arm portions 2122 and 2222 are abutted together. A top end 210 of the upper elastic arm 21 is an upper contact portion 2100 that abuts the chip module, and a bottom end 220 of the lower elastic arm 22 is a lower contact portion 2200 that abuts the circuit board. The upper contact portion 2100 extends from the upper surface 11 of the insulating body 1, and the lower contact portion 2200 extends from the lower surface 12 of the insulating body 1. This arrangement is beneficial to the electrical connector 100 and the chip. The module and the circuit board are fully in contact to achieve stable electrical conduction.

Referring to the fourth figure, the upper contact portion 2100 includes two branches (not labeled) spaced apart and connected to the first arm portion 2121 and the second arm portion 2122 of the upper elastic arm 21, respectively. The lower contact portion 22 includes two branches (not labeled) spaced apart and connected integrally to the first arm portion 2221 and the second arm portion 2222 of the lower elastic arm 22, respectively. A first arm portion 2121 and a second arm portion 2122 of the upper elastic arm 21 are arranged in parallel and side by side, and a first arm portion 2221 and a second arm portion 2222 of the lower elastic arm 22 are provided in parallel and side by side. As shown in the fifth figure, in this embodiment, the second portion 212 of the upper elastic arm 21 and the second portion 222 of the lower elastic arm 22 both extend vertically. The main body portion 20 of the conductive terminal 2 extends parallel and vertically to the second portions 212 and 222. The vertical arrangement can shorten the lateral width of the conductive terminal 2 and is beneficial to miniaturization of the electrical connector 100. An end of the upper elastic arm 21 extends obliquely toward the main body portion 20 to form an upper hook portion 231, and an end of the lower elastic arm 22 extends obliquely toward the main body portion 20 to form a lower hook portion 232. When the chip module is pressed down, the upper hook portion 231 and the lower hook portion 232 abut against each other in a point-to-point manner. In this embodiment, the lower elastic arm 21 and the upper elastic arm 22 are symmetrically disposed with the main body portion 20 as a center, thereby facilitating the upper and lower portions when the wafer module presses down the conductive terminal 2. The symmetrical elastic deformation of the lower elastic arms 21 and 22 is beneficial to extending the service life of the conductive terminal 2.

Referring mainly to FIGS. 6 to 7, when the chip module presses down the conductive terminal 2, the upper elastic arm 21 and the lower elastic arm 22 elastically abut to form a first conductive path and a first conductive path, respectively. Two conductive paths and a third conductive path. The first conductive path passes through the chip module, the upper contact portion 2100, the first arm portion 2121 of the upper elastic arm 21, the first arm portion 2221 of the lower elastic arm 22, the lower contact portion 2200, and the circuit board in order; The two conductive paths sequentially pass through the chip module, the upper contact portion 2100, the second arm portion 2122 of the upper spring arm 21, the second arm portion 2222 of the lower spring arm 22, the lower contact portion 2200, and the circuit board; the third conductive path Via the chip module, the upper contact portion 2100, the first portion 211 of the upper spring arm 21, the main body portion 20, the first portion 221 of the lower spring arm 22, and the circuit board in this order. The first, second, and third conductive paths arranged in parallel can reduce the total impedance value, improve the high-frequency characteristics of the conductive terminal 2, and increase the signal transmission rate of the conductive terminal.

With reference to the first to third and eighth figures, the main body portion 20 includes holding portions 201 extending along both sides of the main body portion 20, and the terminal slot 10 includes a housing for receiving the main body portion 20 and a housing. The fixing groove 101 of the holding portion 201 is provided with barbs 2011 on both sides of the holding portion 201, and the barbs 2011 interfere with the insulating body 1 so that the holding portion 201 is locked in the terminal slot. In the fixing groove 101 of 10, the conductive terminal 2 is stably assembled in the insulating body 1.

In summary, this new model has clearly met the requirements for new patents, and has filed a patent application in accordance with the law. However, the above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments. The equivalent modifications or changes made by those familiar with the new technology with the help of the spirit of the new model should be covered by the following patent applications.

1‧‧‧Insulated body

211‧‧‧Part I

10‧‧‧Terminal Slot

212‧‧‧Part Two

100‧‧‧electrical connector

2121‧‧‧First arm

101‧‧‧fixed slot

2122‧‧‧Second Arm

11‧‧‧ top surface

22‧‧‧ Lower Arm

12‧‧‧ lower surface

220‧‧‧ bottom

2‧‧‧ conductive terminals

2200‧‧‧ lower contact

20‧‧‧Main body

221‧‧‧ Part I

201‧‧‧holding department

222‧‧‧Part Two

2011‧‧‧Barbed

2221‧‧‧First Arm

21‧‧‧ Upper arm

2222‧‧‧Second Arm

210‧‧‧ Top

231‧‧‧ Upper hook

2100‧‧‧ Upper contact

232‧‧‧Under the hook

The first diagram is a perspective view of the novel electrical connector;

The second diagram is a perspective view of the electrical connector shown in the first diagram at another angle;

The third diagram is a partial exploded view of the electrical connector shown in the first diagram;

The fourth figure is a perspective view when the conductive terminals of the electrical connector shown in the third figure are not compressed;

The fifth figure is a sectional view taken along the line V-V in the first figure;

The sixth figure is a perspective view of a conductive terminal of the electrical connector shown in the third figure when the conductive terminal is under pressure;

The seventh diagram is a cross-sectional view of the electrical connector shown in the first diagram along the V-V line when the conductive terminal is pressed; and

The eighth figure is a sectional view taken along the line VIII-VIII in the first figure.

The following embodiments will further explain the present invention in combination with the above drawings.

Claims (10)

An electrical connector for assembling to a circuit board to electrically connect a chip module includes:
The insulating body has a plurality of terminal grooves and has opposite upper and lower surfaces, the terminal grooves penetrate the upper and lower surfaces; and a plurality of conductive terminals are housed in the terminal grooves one to one correspondingly, The conductive terminal is provided in a "C" shape and includes a main body portion extending up and down, and an upper elastic arm and a lower elastic arm respectively connected to upper and lower ends of the main body portion. The upper elastic arm is connected to the chip module and includes A first portion bent upward from the main body portion to a top end and a second portion extended downward from the top end and then reversely downward, the lower elastic arm is connected to the circuit board and includes a direction from the main body portion first. Bent downwardly to a first portion of a bottom end and a second portion extending from the bottom end to a reverse direction upwardly;
Wherein, the second part of the upper arm and the lower arm each include two first arm portions and a second arm portion spaced apart, and the upper arm and the lower arm are caused when the chip module is pressed down. Compressed and elastically abutted, the two first arm portions abut together, and the two second arm portions abutted together. The electrical connector according to item 1 of the scope of patent application, wherein the top end of the upper spring arm is an upper contact portion that abuts against the chip module, and the bottom end of the lower spring arm is connected to the circuit board. The abutting lower contact portion extends from the upper surface of the insulating body, and the lower contact portion extends from the lower surface of the insulating body. The electrical connector according to item 2 of the scope of patent application, wherein the upper contact portion includes two branches spaced apart and connected integrally to the first arm portion and the second arm portion of the upper arm, respectively, and the lower portion The contact portion includes two branches that are disposed at intervals and are integrally connected to the first arm portion and the second arm portion of the lower elastic arm, respectively. The electrical connector according to item 2 of the scope of patent application, wherein a first arm portion and a second arm portion of the upper elastic arm are arranged parallel and side by side, and a first arm portion and a second arm portion of the lower elastic arm Set parallel and side by side. The electrical connector according to item 2 of the scope of patent application, wherein when the chip module presses down the conductive terminal, the upper elastic arm and the lower elastic arm elastically abut to form first conductive paths, respectively. , A second conductive path, and a third conductive path. The first conductive path passes through the chip module, the upper contact portion, the first arm portion of the upper elastic arm, the first arm portion of the lower elastic arm, the lower contact portion, and the circuit in this order. Board, the second conductive path passes through the chip module, the upper contact portion, the second arm portion of the upper spring arm, the second arm portion of the lower spring arm, the lower contact portion, and the circuit board in order, and the third conductive path sequentially Via the chip module, the upper contact part, the first part of the upper elastic arm, the main body part, the first part of the lower elastic arm, and the circuit board. The electrical connector according to item 1 of the scope of patent application, wherein an end of the upper elastic arm extends toward the main body portion to form an upper hook portion, and an end of the lower elastic arm faces the main body portion. Extending in a direction to form a lower hook portion, the upper hook portion and the lower hook portion abut against each other when the wafer module is pressed down. The electrical connector according to item 6 of the scope of patent application, wherein the main body portion includes holding portions extending to both sides along its width direction, and the holding portions are clamped in the terminal slot to make the conductive terminal Stably assembled to the insulating body. The electrical connector according to item 2 of the scope of patent application, wherein the second part of the upper elastic arm and the second part of the lower elastic arm both extend vertically. The electrical connector according to item 8 of the scope of patent application, wherein an end of the upper elastic arm extends obliquely toward the main body portion to form an upper hook portion, and an end of the lower elastic arm faces the main body portion. The inclined direction extends to form a lower hook portion. When the chip module is pressed down, the upper hook portion and the lower hook portion abut against each other in a point-to-point manner. The electrical connector according to any one of claims 1 to 9 of the scope of patent application, wherein the lower elastic arm and the upper elastic arm are symmetrically disposed with the main body portion as a center.