JP2003208941A - Terminal of socket connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a terminal of a socket connector stably locked wherein an efficiency of punching, electroplating, and mounting is improved, and raw materials can be saved. <P>SOLUTION: This terminal of the socket connector includes a substrate and two arms, the substrate includes a soldering part to connect the main body and the terminal of the connector with a circuit board, two arms are extended from opposed both sides of the main body, and they are installed opposed to each other, and include mutually parallel connecting parts, contacting parts extended from two connecting parts outwards of the main body, and guide parts extended from the two contacting parts to the direction of both sides of the main body. Further, the guide parts are positioned upwards of the main body, and a guide space formed by the guide parts is positioned directly upwards of the main body. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal of a socket connector, and more particularly to a terminal of a zero insertion force socket connector that electrically connects an integrated circuit member and a circuit board.

[0002]

2. Description of the Related Art Generally, a socket connector for mounting an integrated circuit member (for example, a CPU) and assembling it on a circuit board is provided with a zero insertion force terminal. One end of the terminal of the socket connector is soldered to a circuit board, and the other end is inserted with a CPU pin to form a CPU.
And electrical connection with the circuit board. The CPU has extremely high demands on the performance of the electrical connector, and its pins are also very fine. Therefore, the smaller the pitch between the terminals of the socket connector, the better. As shown in FIG. 1, the terminal 5 of the CPU socket connector described in Patent Document 1 includes a base body 51 and a pair of arms 52, and the base body 51 is housed in a terminal housing groove of the connector, and the housing A main body 511 adjacent to the inner wall of the groove, a locking portion 5111 extending in both directions from the main body, a neck portion 512 for fixing the terminal of the connector to the terminal accommodating groove of the socket connector, and a printed circuit board. And a soldering portion 513 that can be soldered. Each arm 52 extends from both opposite sides of the base body in a downwardly inclined manner and is in close contact with the inner wall of the corresponding terminal accommodating groove.
A front arm 522 that extends upward from the free end of the upper arm and extends integrally; a contact portion 523 provided at the free end of the front arm; And a guide portion 524 that is stretched.

[0003]

[Patent Document 1] US Pat. No. 6,319,038

FIG. 2 is a developed arrangement view of the terminals 5 of the connector in a metal strip. The terminal arm 52 of the connector is installed on the side of the base body 51, and a neck portion 512 is provided between the guide portions 524. The guide portions 524 are located on both sides of the neck portion 512. However, since the terminal arm 52 is formed of the material on both the left and right sides of the base body 51 and then bent inward, the width of each terminal occupying the strip becomes large and the space between the adjacent terminals is increased. The center distance also increases, the expanded area of the terminals also increases, material is wasted, and the distance between adjacent terminals also increases. In a normal combination process, since the terminals are assembled in the socket while being arranged in the state of being connected to the strip, the pitch of the terminals on the strip corresponds to the short distance of the receiving groove of the socket depending on the structure of the terminals. As a result, the difficulty of combination increases, and the efficiency of combination with punching or electroplating also decreases,
Moreover, the manufacturing cost also rises. Generally, in order to improve the conductivity of the CPU pin and the insertion resistance function, only the guide portion 524 of the terminal should be plated at the time of electroplating. However, when the conventional terminal strip is manufactured, since the support part 60 is installed above the two guide parts 524, it is easy to plate the main body when electroplating, which is a terrible waste and cost. Get higher

As shown in FIG. 3, the interference force of the locking portions of the terminals of the connector limits only the movement in the left-right direction, that is, the B'direction, and the movement in the front-back direction, that is, the A'direction is limited. Because it is difficult, it becomes unstable in the front-back direction. And
When the CPU pin moves to the guide part, the terminal is likely to move in the forward direction in conjunction with the CPU pin.
This affects the contact between the PU and the terminals, and further affects the transmission of electric signals from the CPU.

[0006]

DISCLOSURE OF THE INVENTION The present invention relates to punching,
An object of the present invention is to provide a terminal of a socket connector that improves electroplating and mounting efficiency, saves raw materials, and is stably locked.

[0007]

According to the main object of the present invention, a terminal of a socket connector according to the present invention includes a base body and two arms, the base body and the terminal of the connector being a circuit board. Two arms, including soldering portions for connection, extend from opposite sides of the main body, are installed to face each other, and extend parallel to each other and the two connecting portions extend outward of the main body. It includes a contact portion and a guide portion extending from the two contact portions toward both sides of the main body.
In addition, the guide portion is located above the main body, and the guide space formed by the guide portion is located directly above the main body. One recess is formed in the front end of the main body, and in order to form a locking sheet extending from the main body and bent at an appropriate angle in the recess, the terminal of the connector is formed in the receiving groove of the socket connector. Inside, it is stably coupled in the front-back direction.
In addition, since the two arms are deployed from the inside of the material, the pitch between two adjacent terminals is reduced, and the punching and electroplating efficiencies are both improved. By reducing the pitch between the terminals on the strip, it is possible to reduce the number of times of mounting to insert the terminals when assembling the terminals. In the process of forming the terminal, since the supporting part of the strip is installed at the bottom, only the upper part of the terminal can be electroplated when electroplating the terminal, thus saving valuable material and reducing cost. You can

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION As shown in FIG. 4, a terminal of a socket connector according to the present invention includes a base 10 and two arms 20. The base 10 solders a main body 11 and the terminals of the connector to a circuit board. Soldering part 1 used for
Including 2. The front surface of the main body 11 is provided with one recess 111, and inside the recess 111, a locking sheet 112 is integrally extended from the main body 11 and bent outward at an appropriate angle. Since it has been installed, the connector terminal 1
Is stably locked in the housing groove of the socket connector in the front-rear direction.

The two arms 20 are connected to each other by the main body 11
Of the arm 20, the width of the arm 20 gradually narrows as it extends upward, and its height is higher than that of the substrate 10. The portion of the arm 20 extending upward and beyond the base 10 can be adjusted by the length of the CPU pin 40 to be inserted. The arm 20 includes two connecting portions 21 that are installed opposite to each other and are parallel to each other, and an accommodating space 25 that accommodates the CPU pin 40 is formed between the two connecting portions 21. A contact portion 22 is formed at the end of the contact portion 22, and a guide portion 23 extends on one side of the contact portion 22 near the main body. By this design, the guide portion 23 is positioned immediately above the main body 11, and the CPU pin 4 is provided between the two symmetrically arranged guide portions 23.
A larger guiding space 24 is formed, which is used for inserting 0.

Referring to FIGS. 4 and 5, when the terminals 1 of the connector are unfolded and arranged on a strip, that is, in a state where they are not bent and molded, the two arms 20 of the terminal 1 are placed between them. , A sealed rectangle is formed, the guide portions 23 of the two arms 20 are located above the main body in a state of being in contact with each other, and after the terminals are developed on a plane, the guide portions 23 of both arms 20 are Since the guide portions 23 are in contact with each other, the length of the guide portion 23 does not change, but the width of the terminals becomes narrow and the pitch between the adjacent terminals also becomes small. The pitch of the terminals having such a structure on the strip is changed by the connector receiving groove. Generally, the pitch between terminals in a socket connector is smaller than the pitch between terminals on a strip, so that the terminal holes of the socket connector can be completely filled in by inserting the socket connector a plurality of times. However, in the terminals of the socket connector of the present invention, the pitch between the terminals is made small by the improvement of the structure of the terminals, the number of mounting of the terminals is reduced, and the mounting efficiency is also improved. Since the supporting portion 30 of the strip of the terminal 1 of the socket connector of the present invention is installed at the bottom, that is, the supporting portion 30 is the soldering portion 12
Since it is located below, the speed of electroplating can be increased, the raw material of electroplating can be saved, and the conventional technical problems can be overcome.

Referring to FIG. 6, when the CPU pin 40 is inserted into the socket connector of the present invention, it is first inserted into the guide space 24 of the terminal 1 of the connector, and then the contact portion 22 of the terminal is inserted along the direction A. The circuit board and the CPU are electrically connected to each other by advancing into the formed accommodation space 25 and contacting the contact portion 22 of the terminal. Further, since the locking sheet 112 of the terminal is installed on the upper portion of the main body 11, the terminal is stably locked in the accommodation groove of the socket connector in the front-rear direction B.

The above is merely an embodiment of the present invention and does not limit the scope of the claims. Further, any modifications or changes in details that can be made based on the present invention are not limited to the claims of the present invention. Shall belong to.

[Brief description of drawings]

FIG. 1 is a perspective view of a terminal of a conventional socket connector.

FIG. 2 is a schematic view showing a state where terminals of a conventional socket connector are deployed and then arranged on a strip.

FIG. 3 is a top view of a state in which a CPU pin is inserted into a terminal of a conventional socket connector.

FIG. 4 is a perspective view of a terminal of the socket connector of the present invention.

FIG. 5 is a schematic view of the socket connector of the present invention in which terminals are arranged in a strip after being unfolded.

FIG. 6 is a top view of a state in which a CPU pin is inserted in a terminal of the socket connector of the present invention.

[Explanation of symbols]

1 terminal 10 Base 11 subject 12 Soldering part 20 arms 21 Connection 22 Contact part 23 Information 24 guidance space 25 accommodation space 30 Support 40 CPU pins 111 recess 112 Locking sheet

Claims (6)

[Claims] 1. A base body having a soldering portion for connecting a main body and a terminal of a connector to a circuit board; and a base body formed by bending from opposite sides of the main body, extending upward, and gradually narrowing in width. As a result, two connecting portions that are installed opposite to each other are formed, a contact portion is formed at the end portion of the connecting portion, and the guide portion is extended to one side of the contact portion that is close to the main body, The guide part is located above the main body, the guide space formed in the guide part is located directly above the main body, and when the terminals are spread out on a plane, the guide parts are in contact with each other. Socket connector terminals characterized by including ,. 2. Between the connecting portions of the terminals of the connector,
2. The socket connector according to claim 1, wherein a common accommodation space is formed, the two connecting portions extend upward and parallel to each other, and the contact portions at their end portions are also parallel to each other. Terminal. 3. A recess is formed in the front surface of the main body, and a locking sheet integrally extending from the main body is formed in the recess, and the locking sheet extends from the main body to the outside at an appropriate angle. The terminal of the socket connector according to claim 2, which is bent. 4. The terminal of a socket connector according to claim 3, wherein the height of the arm extending upward and over the base is adjustable by the length of the CPU pin. 5. The terminal of a socket connector according to claim 4, wherein a rectangular sealed space is formed between the two arms of the terminal of the connector. 6. The guide part of the terminal of the connector is located above the main body, and the length of the guide part does not change,
The terminal of the socket connector according to claim 5, wherein the width of the terminal is gradually reduced.