CN201789123U - an electrical connector - Google Patents

Abstract

The utility model provides an electric connector consisting of a socket and a contact pin, wherein the socket consists of a first body and a wire spring; one end of the first body is provided with an axial jack, in which the wire spring is positioned; the contact pin is matched with the socket by the wire spring and the jack in a plugging manner; the electric connector is characterized in that the jack is internally and axially provided with a conductive elastic piece; when the contact pin is matched with the socket in a plugging manner, one end of the elastic piece is connected with the contact pin, the other end is connected with the first body; and by the elastic piece that is arranged at the bottom of the jack and can axially stretch, when the contact pin and the socket are plugged, the reliability of electric connection between the contact pin and the socket can be ensured, and bad contact caused by plastic deformation of the wire spring can be avoided.

Description

an electrical connector

technical field

The utility model relates to an electric connector, in particular to an electric connector.

Background technique

At present, more and more electrical connectors are used in cars or other machines that need electricity. This is because electrical connectors bring us a lot of convenience. An electrical connector that is often used in the market The socket is composed of a pin and a socket. The socket is generally composed of a wire spring, a locking sleeve and a positioning plug. ' and a wire spring 6', the first body is provided with an axially disposed socket, the wire spring is located in the socket and one end of the wire spring 6' passes through the bottom of the socket The positioning plug 7' is fixedly connected, and the other end of the wire spring 6' is fixedly connected to the first body 2' through a locking sleeve 8'; after a certain number of times of insertion and extraction of such a socket, the wire spring will It cannot be restored to its original shape, that is, the wire spring undergoes plastic deformation, so that the connection between the wire spring and the contact pin is not tight, resulting in poor contact of the electrical connector.

Utility model content

The utility model provides an electrical connector with good contact for solving the technical problem of poor contact between the pin and the socket body after repeated plugging and pulling out of the connector in the prior art.

For reaching the technical purpose of the present utility model, the technical scheme of the present utility model is:

An electrical connector, including a socket and pins, the socket includes a first body and a wire spring, one end of the first body is provided with an axial insertion hole, the wire spring is located in the insertion hole, the The pin is mated with the socket through the wire spring and the jack, and a conductive elastic member is arranged in the axial direction in the jack. When the pin is mated with the socket, the elastic One end of the piece is connected to the pin, and the other end is connected to the first body.

Further, a positioning plug is provided at the bottom of the socket, a gap is formed between the positioning plug and the inner wall of the socket, one end of the wire spring is located in the gap, and the other end of the wire spring is connected to the first body. The end of one end provided with the insertion hole is fixedly connected, the positioning plug is provided with a first through hole in the axial direction, and the elastic member is located in the first through hole.

Further, the end of the elastic member away from the pin is fixed on the first body.

Further, the end of the elastic member close to the contact pin is provided with a conductive contact cap matched with the contact pin. Further, the contact cap is circumferentially positioned by the wire spring.

Further, the elastic member is a metal spring.

Further, the socket also includes a second body, the second body is fixedly connected to the other end of the first body, and the other end of the first body is axially provided with a second The through hole, the elastic member is located in the through hole, and the end of the elastic member away from the pin abuts against the second body.

Further, an end of the elastic member away from the pin is fixedly connected to the second body.

Advantages of the utility model: the utility model can ensure the electrical connection between the pin and the socket when the pin is inserted into the socket through the axially stretchable elastic member arranged at the bottom of the socket. The reliability is high, and the poor contact caused by the plastic deformation of the wire spring is avoided.

Description of drawings

Fig. 1 is a schematic diagram of the socket structure of an electrical connector provided by the prior art;

Fig. 2 is a cross-sectional view of the first embodiment of the electrical connector provided by the utility model;

Fig. 3 is a schematic diagram of the socket of Embodiment 1 of the electrical connector provided by the utility model;

Fig. 4 is a cross-sectional view of the second embodiment of the electrical connector provided by the utility model.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects solved by the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The utility model includes a socket and pins, the socket includes a first body 2 and a wire spring 6, one end of the first body 2 is provided with an axial jack, the wire spring 6 is located in the jack, and the The pin 1 is mated with the socket through the wire spring 6 and the jack, and a conductive elastic member 4 is arranged in the axial direction in the jack, when the pin 1 is mated with the socket , one end of the elastic member 4 is connected to the contact pin, and the other end is connected to the first body 2, so that after the plastic deformation of the wire spring 6, the elastic member is still reliably connected to the contact pin 1 , avoiding the poor contact of the electrical connector in the prior art, and ensuring the reliability of the electrical connection.

Figure 2 is a cross-sectional view of the first embodiment of the electrical connector provided by the utility model, an electrical connector, including a socket and pins 1, the socket includes a first body 2 and a wire spring 6, the first body 2 One end is provided with an axial socket, the wire spring 6 is located in the socket, the pin 1 is mated with the socket through the wire spring 6 and the socket, and the wire spring 6 is located in the socket Inside, one end of the wire spring is evenly distributed around the bottom of the socket and can move in the axial direction. The other end of the wire spring 6 can be fixed to one end of the first body 2 through a locking sleeve, or can be Using other methods that can be fixed, such as welding, the electrical connector in this embodiment includes a socket and pins 1, the socket includes a first body 2, a wire spring 6 and a locking sleeve 8, the first body 2 One end is provided with an axial socket, the bottom of the socket is provided with a positioning plug 7, a gap is formed between the positioning plug 7 and the inner wall of the socket, one end of the wire spring 6 is located in the gap, and the wire spring 6 can move in the gap under the action of external force, the other end of the wire spring 6 is fixedly connected with the first body 2 through a locking sleeve 8, the positioning plug 7 is provided with a through hole in the axial direction, the The socket also includes an elastic member 4, which is located in the through hole. When the pin 1 is mated with the socket, one end of the elastic member is connected to the pin, and the other end can be connected to the socket. The first body is connected; preferably, the conductive elastic member 4 is a metal spring.

As a further preferred solution, the end of the elastic member 4 away from the pin 1 is fixed on the first body 2; with such a design, during use, the elastic member will not cause the contact to slide down automatically. Plugins do not work reliably.

As a more preferred solution, referring to FIG. 3 , the end of the elastic member 4 close to the contact pin 1 is provided with a conductive contact cap 5 matched with the contact pin 1 , and the contact cap 5 passes through the The wire spring 6 is circumferentially positioned, and when the pin 1 is mated with the socket, the contact cap 5 is connected to the pin 1; the contact cap 5 can not only connect the pin with the The contact of the elastic member can also enable the elastic member to be circumferentially positioned in the socket, that is, it will not shake in the circumferential direction.

When the pin 1 is mated with the socket, when the pin 1 is plugged into the socket, it first contacts the contact cap 5, because the contact cap 5 is held by the wire spring Circumferential positioning, so the contact cap 5 cannot move in the circumferential direction in the socket, and its positioning position is just matched with the top of the pin, so the pin 1 can be correctly connected to the contact cap 5, after the pin 1 is connected with the contact cap 5, the pin 1 continues to be mated with the socket, the elastic member 4 is compressed, and one end of the elastic member 4 passes through The contact cap is tightly against the pin, and the other end is tightly against the first body, so that the contact pin 1 and the contact cap 5 are in good contact. In the case of poor contact between the pin and the socket body, the pin can make good contact with the socket through the spring, which is more conducive to the transmission of electrical signals between the pin and the socket. Since the transmission of electrical signals between the plug and the socket is well known to those skilled in the art, details will not be repeated here.

In the above embodiment, it is not limited to the embodiment shown in FIG. 2 , the elastic member can also be replaced by other stretchable and conductive elastic members, and one end of the metal spring 4 can also be fixedly connected with the positioning plug 7 directly. .

Figure 4 is a cross-sectional view of the second embodiment of the electrical connector provided by the utility model, which is a preferred solution of the utility model, an electrical connector, including a socket and a pin 1, and the socket includes a first body 2. The second body 3, the wire spring 6 and the locking sleeve 8, one end of the first body 2 is provided with an axial socket, and the bottom of the socket is provided with a positioning plug 7, and the positioning plug 7 is connected with the socket A gap is formed between the inner walls, one end of the wire spring 6 is located in the gap, and the wire spring 6 can move in the gap under the action of an external force, and the other end of the wire spring 6 is connected to the first body 2 The locking sleeve 8 is fixedly connected, the positioning plug 7 is provided with a through hole in the axial direction, the other end of the first body is provided with an axial through hole communicating with the socket, and the second body 3 and The other end of the first body 2 is fixedly connected. For convenience, threaded connection is adopted in this embodiment. The elastic member 4 is located in the axial through hole, and the elastic member 4 is close to one end of the pin 1 There is a contact cap 5 matched with the pin 1, the other end of the elastic member 4 is fixedly connected with the second body 2, and the contact cap 5 is positioned circumferentially by the wire spring; Two bodies 3, the end of the elastic member 4 away from the pin 1 is fixedly connected to the second body 3, and the elastic member passes through the first body 2 to realize the connection with the second body 3 in an open space. It is very convenient to describe the fixed connection of the second body 3.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (7)

1. An electrical connector, comprising a socket and pins, the socket includes a first body and a wire spring, one end of the first body is provided with an axial jack, and the wire spring is located in the jack, The pin is plugged and matched with the socket through a wire spring and a socket, and it is characterized in that: a conductive elastic member is arranged in the axial direction in the socket, when the pin is plugged into the socket When mated, one end of the elastic member is connected to the pin, and the other end is connected to the first body. 2. The electrical connector according to claim 1, wherein a positioning plug is provided at the bottom of the socket, a gap is formed between the positioning plug and the inner wall of the socket, and one end of the wire spring is located in the gap Inside, the other end of the wire spring is fixedly connected to the end of the first body provided with the insertion hole, the positioning plug is provided with a first through hole in the axial direction, and the elastic member is located in the first inside the through hole. 3. The electrical connector according to claim 2, wherein an end of the elastic member away from the contact pin is fixed on the first body. 4. The electrical connector according to claim 1, 2 or 3, characterized in that: the end of the elastic member close to the contact pin is provided with a conductive contact cap matched with the contact pin, the The contact cap is positioned circumferentially by the wire spring. 5. The electrical connector according to claim 1, wherein the elastic member is a metal spring. 6. The electrical connector according to claim 1, wherein the socket further comprises a second body, the second body is fixedly connected to the other end of the first body, and the other end of the first body One end is provided with a second through hole communicating with the insertion hole in the axial direction, the elastic member is located in the through hole, and the end of the elastic member away from the pin abuts against the second body. 7. The electrical connector according to claim 6, wherein an end of the elastic member away from the contact pin is fixedly connected to the second body.

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