CN214542627U

CN214542627U - Durable connector and conductive terminal thereof

Info

Publication number: CN214542627U
Application number: CN202023242899.8U
Authority: CN
Inventors: 阳丽
Original assignee: Dongguan Junplatin Hardware Electronics Co ltd
Current assignee: Dongguan Junplatin Hardware Electronics Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-10-29
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a durable connector and a conductive terminal thereof, wherein the conductive terminal comprises a leaf spring, a crown spring and a bayonet lock; an insertion cavity penetrating through the leaf spring is formed in the leaf spring, and a clamping position is formed at the front end of the insertion cavity; the crown spring is arranged in the insertion cavity, the front end of the crown spring abuts against the rear side face of the clamping position, and the outer wall of the crown spring is in contact with the inner wall of the insertion cavity; the bayonet lock is fixed in the insertion cavity and is positioned at the rear end of the crown spring, and the outer wall of the bayonet lock is in close contact with the inner wall of the insertion cavity. By arranging the crown spring in the leaf spring, the problem that the single-piece spring structure is insufficient in elasticity and easy to loosen can be solved, the problem that the single-piece crown spring structure cannot be used after being burnt out by electric arc is solved, the product can bear nearly thousands of hot plugging and unplugging times while having good plugging force, and the service life is greatly prolonged; secondly, the crown spring is limited and fixed through a clamping position at the front end of the crown spring and a clamping pin at the rear end, so that the crown spring cannot be separated from a male head during pulling and inserting.

Description

Durable connector and conductive terminal thereof

Technical Field

The utility model relates to a connector field technique especially indicates a durable type connector and conductive terminal thereof.

Background

All install the storage battery on current electric motor car, need charge the storage battery with electromagnetic connector, some users are because impatient or careless and plug electromagnetic connector under the electrified circumstances, produce electric arc easily and damage electromagnetic connector, influence its life.

The existing electromagnetic connector generally adopts a leaf spring structure or a crown spring structure, the leaf spring structure is easy to lose elasticity due to jacks, the crown spring structure is easy to burn out due to electric arcs generated by hot plugging, and the electromagnetic connector with the two structures has short service life. Therefore, it is necessary to develop a new solution to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to the defects existing in the prior art, and a main object of the present invention is to provide a durable connector and a conductive terminal thereof, which can effectively solve the problems of the existing electromagnetic connector that the connector is easily damaged by hot plugging and unplugging and has a short service life.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a conductive terminal comprises a leaf spring, a crown spring and a bayonet; an insertion cavity penetrating through the leaf spring is formed in the leaf spring, and a clamping position is formed at the front end of the insertion cavity; the crown spring is arranged in the insertion cavity, the front end of the crown spring abuts against the rear side face of the clamping position, and the outer wall of the crown spring is in contact with the inner wall of the insertion cavity; the bayonet lock is fixed in the insertion cavity and is positioned at the rear end of the crown spring, and the outer wall of the bayonet lock is in close contact with the inner wall of the insertion cavity.

As a preferable scheme, the front end of the clamping pin is provided with an inserting groove which is communicated with the inserting cavity.

Preferably, the outer wall of the leaf spring is provided with a plurality of annular convex parts at intervals.

Preferably, the front end of the leaf spring is symmetrically provided with a plurality of slots.

Preferably, the crown spring is made of elastic metal.

As a preferred scheme, the crown spring comprises two annular sheets, the two annular sheets are arranged in the front and at the back, a plurality of inwards concave arc-shaped elastic sheets are integrally connected between the two annular sheets, and the two annular sheets respectively abut against the outer side surface of the clamping position and the front end surface of the clamping pin.

A durable connector comprises an insulating body and a plurality of conductive terminals; the front end face of the insulating body is provided with an inserting groove; the plurality of conductive terminals are arranged on the insulating body and positioned in the inserting groove, wherein at least one conductive terminal is a positive terminal, and at least one conductive terminal is a negative terminal.

As a preferable scheme, a plurality of signal terminal jacks are arranged in the insertion groove.

Preferably, the conductive terminals are three and equally spaced and arranged side by side.

As a preferable scheme, fixing holes are formed in two sides of the insulating body.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

by arranging the crown spring in the leaf spring, the problem that the single-piece spring structure is insufficient in elasticity and easy to loosen can be solved, the problem that the single-piece crown spring structure cannot be used after being burnt out by electric arc is solved, the product can bear nearly thousands of hot plugging and unplugging times while having good plugging force, and the service life is greatly prolonged; secondly, the crown spring is limited and fixed through a clamping position at the front end of the crown spring and a clamping pin at the rear end of the crown spring, so that the crown spring cannot be separated from a male head during pulling and inserting; and the bayonet lock is tightly contacted with the outer wall of the insertion cavity, so that tin can be prevented from flowing into the front end of the insertion cavity during welding.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic view of a conductive terminal according to a first embodiment of the present invention;

fig. 2 is a cross-sectional view of a conductive terminal according to a first embodiment of the present invention;

fig. 3 is a schematic structural view of the insulating body according to the first embodiment of the present invention;

fig. 4 is a schematic structural view of another insulation body according to the first embodiment of the present invention;

fig. 5 is a cross-sectional view of the insulator body according to the first embodiment of the present invention;

fig. 6 is a schematic structural diagram of an insulating body according to a second embodiment of the present invention.

The attached drawings indicate the following:

10. conductive terminal 101 and insertion cavity

102. Detent 103, annular boss

104. Slotted 105, insertion slot

11. Leaf spring 12, crown spring

121. Annular piece 122, arc shell fragment

13. Bayonet 20, insulator

201. Plug groove 202 and signal terminal jack

203. And (7) fixing holes.

Detailed Description

Referring to fig. 1 to 5, a specific structure of a first embodiment of the present invention is shown, which includes a plurality of conductive terminals 10 and an insulating body 20.

The conductive terminal 10 includes a leaf spring 11, a crown spring 12 and a latch 13.

An insertion cavity 101 which penetrates through the leaf spring 11 in the front-back direction is formed in the leaf spring 11, a detent 102 is formed at the front end of the insertion cavity 101, and in the embodiment, the detent 102 is formed by reducing the inner diameter of the front end of the insertion cavity 101 and is used for preventing the crown spring 12 from being taken away from the insertion cavity 101 during insertion and extraction; a plurality of annular convex parts 103 are arranged on the outer wall of the leaf spring 11 at intervals so as to enhance the fixing effect of the leaf spring 11 during injection molding; the front end of the leaf spring 11 is symmetrically provided with a plurality of slots 104.

The crown spring 12 is arranged in the insertion cavity 101, the front end of the crown spring 12 abuts against the rear side face of the clamping position 102, and the outer wall of the crown spring 12 is in contact with the inner wall of the insertion cavity 101; the crown spring 12 comprises two annular sheets 121, the two annular sheets 121 are arranged in front and back, a plurality of inward concave arc-shaped elastic sheets 122 are integrally connected between the two annular sheets 121, and the two annular sheets 121 respectively abut against the outer side surfaces of the clamping positions 102 and the front end surface of the clamping pin 13; the crown spring 12 is made of elastic metal.

The bayonet 13 is fixed in the insertion cavity 101 and located at the rear end of the crown spring 12, and the outer wall of the bayonet 13 is in close contact with the inner wall of the insertion cavity 101 to enhance the current-carrying capacity of the conductive terminal 10 and prevent tin from flowing into the front end of the insertion cavity 101 when the rear end is welded. The front end of the bayonet 13 is provided with an insertion groove 105, and the insertion groove 105 is communicated with the insertion cavity 101.

The front end face of the insulating body 20 is provided with an inserting groove 201; the plurality of conductive terminals 10 are disposed on the insulating body 20 and located in the inserting groove 201, wherein at least one conductive terminal 10 is a positive terminal, and at least one conductive terminal 10 is a negative terminal. A plurality of signal terminal jacks 202 are arranged in the plug-in slot 201; fixing holes 203 are formed on two sides of the insulating body 20.

Detailed description the assembly method of this embodiment is as follows:

firstly, the leaf spring 11, the crown spring 12 and the bayonet 13 are formed by punching; then, the crown spring 12 is loaded into the insertion cavity 101 from back to front, and the bayonet 13 is loaded into the insertion cavity 101 from back to front and welded and fixed to form the conductive terminal 10; then, the plurality of conductive terminals 10 are placed in an injection mold to form the insulating body 20, and the assembly is completed.

Referring to fig. 6, a specific structure of a second embodiment of the present invention is shown, which is basically the same as the first preferred embodiment, except that:

the conductive terminals 10 are three that are equally spaced side by side.

The assembling method of the present embodiment is basically the same as that of the first embodiment, and will not be described in detail here.

The utility model discloses a design focus lies in:

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. An electrically conductive terminal, comprising: comprises a leaf spring, a crown spring and a bayonet lock; an insertion cavity penetrating through the leaf spring is formed in the leaf spring, and a clamping position is formed at the front end of the insertion cavity; the crown spring is arranged in the insertion cavity, the front end of the crown spring abuts against the rear side face of the clamping position, and the outer wall of the crown spring is in contact with the inner wall of the insertion cavity; the bayonet lock is fixed in the insertion cavity and is positioned at the rear end of the crown spring, and the outer wall of the bayonet lock is in close contact with the inner wall of the insertion cavity.

2. An electrically conductive terminal as claimed in claim 1, wherein: the front end of the bayonet lock is provided with an inserting groove which is communicated with the inserting cavity.

3. An electrically conductive terminal as claimed in claim 1, wherein: a plurality of annular convex parts are arranged on the outer wall of the leaf spring at intervals.

4. An electrically conductive terminal as claimed in claim 1, wherein: the front end of the leaf spring is symmetrically provided with a plurality of slots.

5. An electrically conductive terminal as claimed in claim 1, wherein: the crown spring is made of elastic metal.

6. An electrically conductive terminal as claimed in claim 1, wherein: the crown spring comprises two annular sheets which are arranged in the front and the back, a plurality of inwards concave arc-shaped elastic sheets are integrally connected between the two annular sheets, and the two annular sheets respectively support against the outer side surface of the clamping position and the front end surface of the clamping pin.

7. A robust connector, characterized by: comprising an insulating body and a plurality of conductive terminals according to any one of claims 1 to 6; the front end face of the insulating body is provided with an inserting groove; the plurality of conductive terminals are arranged on the insulating body and positioned in the inserting groove, wherein at least one conductive terminal is a positive terminal, and at least one conductive terminal is a negative terminal.

8. The robust connector of claim 7, wherein: a plurality of signal terminal jacks are arranged in the inserting groove.

9. The robust connector of claim 7, wherein: the conductive terminals are three and are arranged side by side at equal intervals.

10. The robust connector of claim 7, wherein: fixing holes are formed in two sides of the insulating body.