CN213584240U

CN213584240U - Reinforced terminal and electric connector

Info

Publication number: CN213584240U
Application number: CN202022714423.3U
Authority: CN
Inventors: 李文辉; 张晓明; 史广星
Original assignee: KUNSHAN 3E ELECTRONICS CO Ltd
Current assignee: KUNSHAN 3E ELECTRONICS CO Ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-06-29
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a strenghthened type terminal and have electric connector of this strenghthened type terminal, strenghthened type terminal include first terminal and second terminal, first terminal adopts the copper product, the second terminal adopts steel, first terminal includes first main part wall and follows at least one elastic contact arm that first main part wall extends forward, the second terminal includes second main part wall and follows at least one elasticity that second main part wall extends forward supports and presses the arm, first main part wall with second main part wall fixed connection, it presses to press the arm one by one the contact arm increases the elasticity of contact arm for the contact arm has good electric conductivity and elasticity simultaneously, reduces strenghthened type terminal and electric connector's overall cost.

Description

Reinforced terminal and electric connector

Technical Field

The utility model relates to an electric connector technical field especially relates to a strenghthened type terminal and electric connector.

Background

The existing product needs a copper material terminal with good conductivity and good elasticity, although the copper material has good conductivity, the elastic deformation is poor, the copper material terminal is easy to lose efficacy through long-term and repeated plugging, and meanwhile, the limitation of the copper material terminal with good conductivity and good elasticity is very large, the price is high, and the copper material terminal is not beneficial to controlling the production cost.

Therefore, it is necessary to design a new terminal to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a strenghthened type terminal and electric connector that elasticity is good, with low costs.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a strenghthened type terminal, its includes first terminal and assembles in second terminal on the first terminal, first terminal adopts the copper product, the second terminal adopts steel, first terminal includes first main part wall and follows at least one elasticity contact arm that first main part wall extends forward, the second terminal includes second main part wall and follows at least one elasticity of second main part wall extension forward is supported and is pressed the arm, first main part wall with second main part wall fixed connection, it supports and presses the arm one by one the contact arm to support and press.

In a further improvement, the contact arms and the pressing arms are respectively arranged in a row at intervals left and right.

In a further refinement, the contact arm extends forwardly beyond the hold-down arm.

In a further improvement, the contact arm and the pressing arm have the same width.

In a further improvement, the first main body wall and the second main body wall are provided with a buckling piece and a buckling hole which are mutually buckled together.

In a further refinement, one of the first body wall and the second body wall is provided with at least one contact protrusion which abuts against the other of the first body wall and the second body wall.

In a further improvement, a groove is formed in the rear end of the first main body wall, the second terminal comprises a rear end wall extending from the second main body wall in a bent mode, and the rear end wall is accommodated in the groove and limited to move left and right.

In a further improvement, the second terminal includes a third body wall and a rear end wall connecting rear ends of the second body wall and the third body wall, the second body wall abuts against an upper surface of the first body wall, and the third body wall abuts against a lower surface of the first body wall.

In a further improvement, the first body wall and/or the third body wall is provided with a clamping piece.

The utility model adopts the following technical scheme: an electric connector comprises an insulating shell and the reinforced terminal, wherein the insulating shell is provided with a plug hole, the reinforced terminal is contained in the insulating shell, and the contact arm extends into the plug hole.

The utility model discloses the first terminal of strenghthened type terminal is with low costs, and electric conductivity is good, and second terminal elasticity is good, and the arm of holding down of second terminal is on the contact arm of second terminal one-to-one, has increased the elasticity of contact arm for contact arm still has good elasticity when having good electric conductivity, and has reduced the whole cost of strenghthened type terminal; the whole of strenghthened type terminal is with low costs, and the electric connector's that has this strenghthened type terminal cost is corresponding also can reduce, has realized equally the utility model discloses a purpose.

Drawings

Fig. 1 is a perspective view of the reinforced terminal of the present invention.

FIG. 2 is a perspective view of the reinforced terminal of the present invention at another angle

Fig. 3 is an exploded perspective view of the reinforced terminal of the present invention.

Fig. 4 is an exploded perspective view of the reinforced terminal of the present invention at another angle.

Detailed Description

Referring to fig. 1 to 4, the present invention discloses an enhanced terminal 10, which includes a first terminal 11 and a second terminal 12 assembled on the first terminal 11. The first terminal 11 is made of copper material and has low cost although it has poor elasticity, and the second terminal 12 is made of steel material and has good elasticity although it has high cost.

The first terminal 11 includes a first body wall 111 and a plurality of elastic contact arms 112 extending forward from the first body wall 111, and the contact arms 112 are arranged in a row at intervals left and right. The contact arm 112 can swing up and down elastically for contacting with an opposite piece (not shown) elastically, so as to realize the electrical connection between the enhanced terminal 10 and the opposite piece.

The inner side of the first main body wall 111 is provided with a plurality of fastening holes 113 and a first locking piece 114 located behind the fastening holes 113, the fastening holes 113 penetrate the first main body wall 111 up and down, and the first locking piece 114 extends downward and forward to be locked on an insulating housing (not shown) to fix the first terminal 12 on the insulating housing. The first holding piece 114 is formed by stamping, the first main body wall 111 has a first stamping hole 115 left by forming the first holding piece 114, the first stamping hole 115 penetrates the first main body wall 111 up and down, and the first holding piece 114 is connected with one of the inner side edges of the first stamping hole 115. The first body wall 111 has two flanges 116 at the rear end thereof and a groove 118 between the two flanges 116.

The second terminal 12 is assembled to the first terminal 11 forward, and the second terminal 12 includes a second body wall 121, a plurality of elastic pressing arms 122 extending forward from the second body wall 121, a third body wall 123 located below the second body wall 121, and a rear end wall 124 connecting rear ends of the second body wall 121 and the third body wall 123. The pressing arms 122 are arranged in a row at intervals left and right, and are pressed against the contact arms 112 of the first terminal 11 one by one, so that the elasticity of the contact arms 112 is increased, the width of the pressing arms 122 is the same as that of the contact arms 112, but the contact arms 112 extend forwards to exceed the pressing arms 122.

The second body wall 121 abuts against the upper surface of the first body wall 111, the inner side of the second body wall 121 is provided with a plurality of locking pieces 124 extending toward the first body wall 11 and a plurality of contact protrusions 125 located behind the locking pieces 124, the locking pieces 124 are locked in the locking holes 113 of the first terminals 11 one by one to limit the second terminals 12 from moving backwards relative to the first terminals 11, and the contact protrusions 125 abut against the first body wall 111 to increase the reliability and stability of the electrical connection between the first terminals 11 and the second terminals 12. In other embodiments, the fastening piece is disposed on the first body wall, and the fastening hole is disposed on the second body wall; the contact convex part is arranged on the first main body wall and is abutted against the second terminal.

The third body wall 123 is attached to the lower surface of the first body wall 111, a second retaining piece 126 extending backward and downward is disposed inside the third body wall 123, and the second retaining piece 126 is also used for retaining on the insulating housing (not shown). Rear end wall 124 is received in recess 118 of first terminal 11 and is restrained from side-to-side movement by flanges 116 for restraining second terminal 12 from side-to-side movement relative to first terminal 11.

The utility model discloses first terminal 11 of strenghthened type terminal 10 adopts the copper product, and is with low costs, and electric conductivity is good, and second terminal 12 adopts steel, and elasticity is good, and the arm 122 of pressing of second terminal 12 supports and presses in the contact arm 122 of first terminal 11, has increased the elasticity of contact arm 122 for contact arm 122 still has good elasticity when having good electric conductivity, and has reduced the overall cost of strenghthened type terminal 10.

The utility model discloses still disclose an electric connector, this electric connector includes insulating housing and strenghthened type terminal 10, and strenghthened type terminal 10 is acceptd in insulating housing. The insulating housing includes a plug hole for inserting and pulling the mating member, and the contact arm 112 of the first terminal 11 is located in the plug hole for electrically contacting the mating member. This electric connector has strenghthened type terminal 10, because strenghthened type terminal 10's overall cost is low, has this strenghthened type terminal 10's electric connector's the corresponding also can reduce of cost, has realized equally the utility model discloses a purpose.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.

Claims

1. A strenghthened type terminal, its includes first terminal and assembles the second terminal on the first terminal, its characterized in that: the first terminal adopts the copper product, the second terminal adopts steel, first terminal includes first main part wall and follows at least one elasticity contact arm that first main part wall extends forward, the second terminal includes second main part wall and follows at least one elasticity that second main part wall extends forward is supported and is pressed the arm, first main part wall with second main part wall fixed connection, it supports and presses the arm one by one the contact arm.

2. The reinforced terminal of claim 1, wherein: the contact arms and the pressing arms are respectively arranged in a row at intervals left and right.

3. The reinforced terminal of claim 1, wherein: the contact arm extends forwardly beyond the hold down arm.

4. The reinforced terminal of claim 1, wherein: the contact arm and the pressing arm have the same width.

5. The reinforced terminal of claim 1, wherein: the first main body wall and the second main body wall are provided with a buckling piece and a buckling hole which are buckled together.

6. The reinforced terminal of claim 1, wherein: one of the first body wall and the second body wall is provided with at least one contact protrusion which abuts against the other of the first body wall and the second body wall.

7. The reinforced terminal of claim 1, wherein: the rear end of the first main body wall is provided with a groove, the second terminal comprises a rear end wall bent and extended from the second main body wall, and the rear end wall is accommodated in the groove and limited to move left and right.

8. The reinforced terminal of claim 1, wherein: the second terminal comprises a third main body wall and a rear end wall connecting the rear ends of the second main body wall and the third main body wall, the second main body wall is attached to the upper surface of the first main body wall, and the third main body wall is attached to the lower surface of the first main body wall.

9. The reinforced terminal of claim 8, wherein: the first main body wall and/or the third main body wall are/is provided with clamping pieces.

10. An electrical connector comprising an insulative housing and the enhanced terminal of any of claims 1-9, the insulative housing having a mating hole, the enhanced terminal being received in the insulative housing, the contact arm extending into the mating hole.