CN216698927U

CN216698927U - Terminal pin, conductive terminal and electric connector

Info

Publication number: CN216698927U
Application number: CN202122974576.6U
Authority: CN
Inventors: 张丽珍; 张立斌; 张志勇
Original assignee: Suzhou Yuanye Automobile Technology Co ltd
Current assignee: Suzhou Yuanye Automobile Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-06-07
Anticipated expiration: 2031-11-30

Abstract

A terminal pin, a conductive terminal and an electric connector are provided, wherein the terminal pin comprises a plug-in end which is used for being matched with a plug-in hole of a circuit board in an extrusion and plug-in manner, the plug-in end comprises a front end face, a rear end face opposite to the front end face and arc-shaped side end faces positioned on the left side and the right side, the front end face, the rear end face and the two side end faces jointly form a plug-in main body part, and elastic parts which elastically support the two side end faces are formed on the front end face and the rear end face in a sunken manner. In the utility model, the front end surface and the rear end surface of the terminal pin are concavely provided with elastic parts which elastically support two side end surfaces. So set up, when needs will when terminal pin and circuit board cooperation are pegged graft, only need with the terminal pin inserts can in the circuit board jack, the both sides terminal surface of terminal pin can closely cooperate with the circuit board, realizes the firm grafting between terminal pin and the circuit board, and need not to use processes such as solder in addition, and the process is simple, shortens the processing procedure, improves the packaging efficiency of terminal pin greatly.

Description

Terminal pin, conductive terminal and electric connector

Technical Field

The present invention relates to the field of connectors, and more particularly, to a terminal pin, a conductive terminal and an electrical connector.

Background

An electrical connector generally includes a housing, a conductive terminal mounted on the housing, and a metal shell covering the housing. The conductive terminal comprises a contact part for electrically connecting the butting connector, a holding part which is connected with the contact part and is used for holding the contact part on the insulating body, and a welding part which further extends from the holding part and is used for being inserted and held on the circuit board.

In the prior art, a welding part needs to be firstly inserted into an insertion hole of a circuit board, and then the welding part and the insertion hole of the circuit board are welded and fixed by using welding flux. In such an arrangement, two processes are required in the assembly process of the conductive terminal, wherein the first process is an insertion process, and the second process is a welding process, so that the number of processes is large; on the other hand, in the welding process, if the distance between the welding parts of the conductive terminals is smaller, the situation of continuous welding is easy to occur, and the yield of the electric connector is greatly reduced.

Particularly, in the current trend of miniaturization of the electrical connector, the existing assembly method of the soldering part is more disadvantageous to the trend of miniaturization of the electrical connector.

Therefore, there is a need for an improved terminal pin, a conductive terminal and an electrical connector thereof to overcome the above-mentioned drawbacks of the prior art.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned deficiencies in the prior art, the present invention provides a terminal pin, a conductive terminal and an electrical connector.

In order to achieve the above objects and other related objects, the present invention provides the following technical solutions: a terminal pin comprises a plug-in end which is used for being in extrusion plug-in fit with a plug-in hole of a circuit board, wherein the plug-in end comprises a front end face, a rear end face opposite to the front end face and arc-shaped side end faces positioned on the left side and the right side, the front end face, the rear end face and the two side end faces jointly form a plug-in main body part, and elastic parts which elastically support the two side end faces are formed on the front end face and the rear end face in a concave mode.

The preferable technical scheme is as follows: the elastic part is of a wave-shaped sheet structure, and two elastic ends of the elastic part are respectively connected with the two side end faces.

The preferable technical scheme is as follows: one elastic end of the elastic part is arranged close to the front end face, and the other elastic end of the elastic part is arranged close to the rear end face.

The preferable technical scheme is as follows: the width of the upper end of the plug main body part in the left-right direction is larger than the width of the lower end of the plug main body part in the left-right direction.

A conductive terminal comprises the terminal pin.

An electric connector comprises the conductive terminal.

Due to the application of the technical scheme, the utility model has the beneficial effects that:

the utility model provides a terminal pin, a conductive terminal and an electric connector, wherein the front end face, the rear end face and the two side end faces of the electric connector jointly form a plug-in main body part, and the front end face and the rear end face are sunken to form elastic parts for elastically supporting the two side end faces. So set up, when needs will when terminal pin and circuit board cooperation are pegged graft, only need with the terminal pin inserts can in the circuit board jack, the both sides terminal surface of terminal pin can closely cooperate with the circuit board, realizes the firm grafting between terminal pin and the circuit board, and need not to use processes such as solder in addition, and the process is simple, shortens the processing procedure, improves the packaging efficiency of terminal pin greatly.

Drawings

FIG. 1 is a schematic view of the front view structure of the present invention.

Fig. 2 is a schematic view of the rear end view structure of the present invention.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1-2. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the products of the present invention are usually placed in when used, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment is as follows:

as shown in fig. 1-2, the terminal pin provided by the present invention includes a plugging end for being matched with a plugging hole of a circuit board in a pressing and plugging manner, wherein the plugging end includes a front end surface 1, a rear end surface 2 opposite to the front end surface 1, and arc-shaped side end surfaces 3 located at the left and right sides. The front end face 1, the rear end face 2 and the two side end faces 3 form a plug-in main body part together, and the front end face 1 and the rear end face 2 are concavely provided with elastic parts 4 for elastically supporting the two side end faces 3.

When the terminal pin of the structure is inserted into the circuit board jack, the two side end surfaces 3 can be tightly combined with the circuit board jack under the elastic support of the elastic part 4, thereby improving the connection stability.

Furthermore, the elastic part 4 is in a wave-shaped sheet structure, and two elastic ends of the elastic part 4 are respectively connected with the two side end faces 3. The wave-shaped sheet structure has better elasticity, and two elastic ends of the wave-shaped sheet structure are connected with the two side end surfaces 3 to form an elastic support, so that the side end surfaces 3 are stably connected with the circuit board after being inserted into the circuit board plug hole.

Furthermore, one elastic end of the elastic part is arranged close to the front end face 1, and the other elastic end of the elastic part is arranged close to the rear end face 2, so that the elastic part is obliquely arranged at a certain angle relative to the plane where the front end face is located and the plane where the rear end face is located. The structure can increase the distance between the two elastic ends of the elastic part, thereby improving the elastic effect of the elastic part.

Furthermore, the width of the upper end of the plug main body part in the left-right direction is larger than that of the lower end of the plug main body part in the left-right direction, so that the plug main body part can be conveniently inserted into the circuit board plug hole.

In addition, the application also relates to a conductive terminal and an electric connector, wherein the conductive terminal comprises the terminal pin, and the electric connector comprises the conductive terminal.

Therefore, the utility model has the following advantages:

the utility model provides a terminal pin, a conductive terminal and an electric connector, wherein the front end face, the rear end face and two side end faces of the electric connector jointly form a plug-in main body part, and the front end face and the rear end face are sunken to form elastic parts for elastically supporting the two side end faces. So set up, when needs will when terminal pin and circuit board cooperation are pegged graft, only need with the terminal pin inserts can in the circuit board jack, the both sides terminal surface of terminal pin can closely cooperate with the circuit board, realizes the firm grafting between terminal pin and the circuit board, and need not to use processes such as solder in addition, and the process is simple, shortens the processing procedure, improves the packaging efficiency of terminal pin greatly.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a terminal pin, includes the grafting end that is used for with the extrusion grafting complex of circuit board jack, the grafting end includes preceding terminal surface, the rear end face relative with preceding terminal surface and is located the arcuation side end face of the left and right sides, preceding terminal surface, rear end face and both sides terminal surface form a grafting main part, its characterized in that jointly: the front end face and the rear end face are concavely provided with elastic parts for elastically supporting the two side end faces.

2. The terminal pin according to claim 1, wherein: the elastic part is of a wave-shaped sheet structure, and two elastic ends of the elastic part are respectively connected with the two side end faces.

3. The terminal pin of claim 2, wherein: one elastic end of the elastic part is arranged close to the front end face, and the other elastic end of the elastic part is arranged close to the rear end face.

4. The terminal pin according to claim 1, wherein: the width of the upper end of the plug main body part in the left-right direction is larger than the width of the lower end of the plug main body part in the left-right direction.

5. An electrically conductive terminal, comprising: the conductive terminal includes the terminal pin according to any one of claims 1 to 4.

6. An electrical connector, comprising: the electrical connector comprises the conductive terminal of claim 5.