CN112217016B - Electric connector - Google Patents

Abstract

An electric connector comprises a sleeve and a contact spring accommodated in the sleeve, wherein the contact spring comprises a fixed ring fixed in the sleeve and a plurality of reeds extending out along one side of the fixed ring. The ends of the reeds, which are far away from the fixing ring, are of independent structures and are respectively abutted against the inner wall surface of the sleeve. The reed structure has more reliable elastic force and contact force.

Description

Electric connector

[ field of technology ]

The present invention relates to an electrical connector, and more particularly, to an electrical connector with a contact spring.

[ background Art ]

Chinese patent No. CN101969160a discloses a crown spring cage type jack and crown spring thereof, a crown spring cage type jack, characterized in that: the jack comprises an inner sleeve, a crown spring is arranged in an inner hole of the inner sleeve in a penetrating manner, the crown spring comprises two end rings which are coaxially arranged at two ends, connecting wire spring strips are integrally connected between the two end rings, and the extending direction of each connecting wire spring strip is intersected with the axial space of the two end rings and is inclined in the same trend relative to the axial line of the end rings.

The utility model provides a crown spring of crown spring cage jack which characterized in that: the crown spring comprises two end rings which are coaxially arranged at two ends, connecting wire spring strips are integrally connected between the two end rings, and the extending direction of each connecting wire spring strip is intersected with the axial space of the two end rings and is inclined in the same trend relative to the axial line of the end rings. The spring force of the crown spring contacting the inner wall is insufficient, and the contact force of the crown spring contacting the contact pin is insufficient.

It is therefore desirable to design an improved electrical connector that overcomes the above-described drawbacks.

[ invention ]

The technical problems to be solved by the invention are as follows: an electrical connector is provided having improved transmission forces.

In order to solve the problems, the invention adopts the following technical scheme:

an electric connector comprises a sleeve and a contact spring accommodated in the sleeve, wherein the contact spring comprises a fixed ring fixed in the sleeve and a plurality of reeds extending out along one side of the fixed ring; the ends of the reeds, which are far away from the fixing ring, are of independent structures and are respectively abutted against the inner wall surface of the sleeve.

Compared with the prior art, the reed has more reliable elastic force and contact force.

[ description of the drawings ]

Fig. 1 is a perspective view of an electrical connector assembly of the present invention.

Fig. 2 is an exploded view of the electrical connector shown in fig. 1.

Fig. 3 is a perspective view of the electrical connector assembly shown in fig. 1 in a mated state.

Fig. 4 is a cross-sectional view of the electrical connector assembly of fig. 3 taken along the line A-A.

[ reference numerals ]

Sleeve 1 of electric connector 100

Inner wall surface 102 of housing chamber 101

Contact spring 2 fixing ring 21

Reed 22 support portion 220

Contact 221 butt-joint terminal 200

The invention will be further described in the following detailed description in conjunction with the above-described figures.

[ detailed description ] of the invention

Referring to fig. 1 to 2, the present invention discloses an electrical connector 100 for transmitting a large current, wherein the electrical connector 100 comprises a sleeve 10 and a contact spring 20 accommodated in the sleeve 10. The sleeve 10 is made of insulating plastic material, and the contact spring 20 is made of metal material.

Referring to fig. 2, the sleeve 10 is cylindrical, and is provided with a receiving cavity 101 for receiving the contact spring 20, wherein the receiving cavity 101 is formed to penetrate forward to form an opening at one end of the sleeve 10, and the other end of the sleeve 10 is closed.

The contact spring 20 includes a fixed ring 21 fixed in the sleeve 10 and a plurality of spring pieces 22 extending along one side of the fixed ring 21. The ends of the plurality of spring pieces 22 far from the fixing ring 21 are of independent structures, and each spring piece abuts against the inner wall surface 102 (refer to fig. 4) of the sleeve 10. The spring 22 is a structure with two ends gradually bent inward from the middle to form a contact part 221 in a contracted shape, and the contact part 221 is electrically abutted to the butt terminal 200 to stably transmit a large current. As shown in fig. 4, the mating terminal 200 is accommodated in the contact spring 20, and the contact portion 221 is uniformly adhered to the outer peripheral surface of the mating terminal.

The end of the spring 22 is reversely bent outward with a supporting portion 220, and the supporting portion 220 is elastically abutted against the inner wall surface 102 of the sleeve 10 to provide reliable elastic force for the contact spring 20. The supporting part 102 is provided with a contact surface abutting against the inner wall surface 102 of the sleeve, and the contact surface is an arc surface, so that smooth hand feeling is provided in the plugging process. In this embodiment, the spring 22 is bent back outwards into a U-shaped supporting portion 220.

Referring to fig. 1 and 4, the fixing ring 21 is attached to the inner wall surface 102 of the accommodating chamber 101 and is located at the opening of the accommodating chamber 101. The spring 22 extends into the housing chamber 101, an elastic deformation space exists between the spring 22 and the inner wall surface 102, the support portion 220 thereof abuts against the inner wall surface 102 adjacent to the closed end of the housing chamber 101, and an elastic deformation space exists between the support portion 220 and the mating terminal 200.

The above examples are preferred embodiments of the present invention, but not all embodiments. Any equivalent modifications of the solution according to the present invention will occur to those skilled in the art upon reading the present specification, and are intended to be covered by the claims of the present invention.

Claims (5)

1. An electric connector comprises a sleeve and a contact spring accommodated in the sleeve, wherein the sleeve is made of insulating plastic, and the contact spring is made of metal; the sleeve is provided with an accommodating cavity for accommodating the contact spring, the accommodating cavity is penetrated forwards to form an opening for inserting a butt terminal from the opening, and the contact spring comprises a fixed ring fixed in the sleeve and a plurality of reeds extending along one side of the fixed ring; the method is characterized in that: the fixed ring is attached to the opening of the accommodating cavity, and the rear ends of the reeds, far away from the fixed ring, are of independent structures and are respectively abutted to the inner wall surface of the sleeve.

2. The electrical connector of claim 1, wherein: the rear end of the reed is outwards and reversely bent to form a supporting part, and the supporting part is elastically abutted against the inner wall surface of the sleeve.

3. The electrical connector of claim 2, wherein: the supporting part is provided with a contact surface which is abutted against the inner wall surface of the sleeve, and the contact surface is an arc surface.

4. The electrical connector of claim 2, wherein: the reed is outwards reversely bent to form a U-shaped supporting part.

5. The electrical connector of claim 1, wherein: the reed is of a structure that the two ends gradually bend inwards from the middle.