CN221305041U

CN221305041U - Contact and connector

Info

Publication number: CN221305041U
Application number: CN202323070363.6U
Authority: CN
Inventors: 李丹; 李刘生; 郭辉
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2023-11-14
Filing date: 2023-11-14
Publication date: 2024-07-09
Anticipated expiration: 2033-11-14

Abstract

The application relates to a contact and a connector, which comprises a shell, a copper bar, an inner contact assembly and an outer contact assembly, wherein the inner contact assembly is arranged in the shell, the front end of the inner contact assembly is oppositely provided with a plurality of first spring claws which are arranged at intervals along the width direction of the shell, the first spring claws are used for conducting contact with an adaptive contact, the rear end of the inner contact assembly is provided with an inserting hole, the copper bar is inserted into the inserting hole and is in welded connection with the inner contact assembly, the outer contact assembly is arranged outside the inner contact assembly and is positioned in the shell, the front end of the outer contact assembly is provided with a second spring claw which is arranged between two adjacent first spring claws, the second spring claw is used for conducting contact with the adaptive contact, and the front end of the shell is oppositely provided with a plurality of third spring claws which are in contact with the first spring claws. The application can avoid secondary contact between the contact element and the copper bar, reduce contact resistance and improve current carrying capacity.

Description

Contact and connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a contact and a connector.

Background

The connector performs electrical transmission by means of a contact element, which consists of a rigid pin and an elastic socket and a rear copper bar or rear sleeve connected with a cable, wherein the elastic socket and the rear sleeve or copper bar generally still adopt a contact form similar to the pressure contact between the rigid pin and the elastic socket, as shown in fig. 5, that is, in the contact sequence, the contact element has two contacts, namely a-first contact and B-second contact in fig. 1, so that the contact element has two contact resistances, the contact resistance is larger, the current carrying capacity is lower, and meanwhile, the structure of the contact element is more complex.

Disclosure of utility model

The utility model provides a contact and a connector aiming at the problems in the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a contact, comprising:

A housing;

A copper bar;

The inner contact assembly is arranged in the shell, the front end of the inner contact assembly is oppositely provided with a plurality of first spring claws which are arranged at intervals along the width direction of the shell, the first spring claws are used for conducting contact with the adapting contact piece, the rear end of the inner contact assembly is provided with a jack for inserting a copper bar, and the copper bar is inserted into the jack and welded with the inner contact assembly;

The outer contact assembly is arranged outside the inner contact assembly and is positioned in the shell, the front end of the outer contact assembly is provided with second spring claws arranged on two adjacent first spring claws, the second spring claws are used for conducting contact with the adaptive contact piece, and the front end of the shell is provided with a plurality of third spring claws which are contacted with the first spring claws oppositely and used for enhancing the contact force between the first spring claws and the adaptive contact piece.

As the preferable technical scheme, the inner contact assembly is of a split symmetrical structure and comprises two symmetrically spliced inner reeds, the first reed claw is arranged at the front ends of the inner reeds, and a jack for inserting a copper bar is formed between the two inner reeds.

As a preferable technical scheme, two sides of the inner reed are bent into contact parts, and the two inner reeds are mutually abutted through end planes of the two contact parts.

As the preferable technical scheme, the external contact assembly is of a split symmetrical structure, and comprises two external spring pieces, wherein the second spring claws are arranged at the front ends of the external spring pieces, and the two external spring pieces are symmetrically arranged on the upper surface and the lower surface of the internal contact assembly.

As the preferable technical scheme, the inner reed is provided with a first bulge, and the outer reed is provided with a first groove matched with the first bulge.

As the preferable technical scheme, the outer reed is provided with a second bulge, and the shell is provided with a second groove matched with the second bulge.

As a preferred technical scheme, the shell is made of steel materials, and the inner contact assembly and the outer contact assembly are made of copper materials.

As a preferred technical scheme, the shell comprises two symmetrically spliced sub-shells.

The application also provides a connector comprising a contact according to any one of the above

The beneficial effects of the application are as follows: 1. after the inner reed, the outer reed and the shell are initially assembled, the copper bar is inserted into the jack and welded with the inner reed, so that secondary contact between the contact piece and the copper bar is avoided, contact resistance is reduced, and current carrying capacity is improved.

2. The third spring claw used for enhancing the contact force between the first spring claw and the adapting contact piece is arranged at the front end of the shell, so that the inserting and pulling force during the insertion and pulling of the adapting contact piece is enhanced, and the stability of connection can be ensured under the vibration environment.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the inner and outer contact assemblies of the present utility model;

FIG. 3 is an exploded view of the outer contact assembly of FIG. 2;

FIG. 4 is a schematic view of the structure of the inner contact assembly;

fig. 5 is a schematic diagram of a prior art structure.

The marks in the figure: 1. the shell, 11, the third spring claw, 12, the second groove, 2, the outer contact assembly, 21, the outer reed, 211, the second spring claw, 22, the first groove, 23, the second bulge, 3, the inner contact assembly, 31, the inner reed, 311, the first spring claw, 32, the first bulge, 33, the jack, 4 and the copper bar.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-4, an embodiment of the present utility model provides a contact, including a housing 1, a copper bar 4, an inner contact assembly 3 and an outer contact assembly 2, wherein the inner contact assembly 3 is disposed in the housing 1, a plurality of first spring claws 311 disposed at intervals along a width direction of the housing 1 are disposed at a front end of the inner contact assembly 3, the first spring claws 311 are used for electrically contacting with an adapting contact, an insertion hole 33 for inserting the copper bar 4 is disposed at a rear end of the inner contact assembly 3, the copper bar 4 is inserted into the insertion hole 33 and is welded with the inner contact assembly 3, the outer contact assembly 2 is disposed outside the inner contact assembly 3 and is disposed in the housing 1, a second spring claw 211 disposed at a front end of the outer contact assembly 2 is disposed at a front end of the outer contact assembly, the second spring claw 211 is used for electrically contacting with the adapting contact, a plurality of third spring claws 11 contacting with the first spring claws 311 are disposed at a front end of the housing, the third spring claws 11 are used for enhancing a contact force between the first spring claws 311 and the adapting contact, an inserting force when the adapting contact is inserted into the adapting contact is enhanced, and the adapting contact is also capable of guaranteeing an adapting contact pin to be in a vibration type of being connected under an environment.

The inner contact assembly 3 is in a split symmetrical structure, the inner contact assembly 3 comprises two symmetrically spliced inner reeds 31, a first reed claw 311 is arranged at the front end of each inner reed 31, each inner reed 31 is in a flat plate shape, each inner reed 31 and the corresponding first reed claw 311 are integrally manufactured, an insertion hole 33 for inserting a copper bar 4 is formed between each inner reed 31, after the copper bar 4 is inserted into the insertion hole 33, the copper bar 4 is respectively welded with the upper inner reed 31 and the lower inner reed 31, two sides of each inner reed 31 are bent into contact parts, and the two inner reeds 31 are mutually abutted through end planes of the two contact parts.

As shown in fig. 2 and 3, the outer contact assembly 2 is of a split symmetrical structure, the outer contact assembly 2 comprises two outer spring plates 21, the second spring claws 211 are arranged at the front ends of the outer spring plates 21, the outer spring plates 21 and the second spring claws 211 are integrally formed, the two outer spring plates 21 are symmetrically arranged on the upper surface and the lower surface of the inner contact assembly 3, the inner spring plates 31 are provided with first protrusions 32, the outer spring plates 21 are provided with first grooves 22 matched with the first protrusions 32, and the two outer spring plates 21 are respectively welded and connected with the upper inner spring plates 31 and the lower inner spring plates 31.

In addition, the head of the copper bar 4 is inserted into the insertion hole 33 and is welded with the inner contact assembly 3, the welding includes but is not limited to ultrasonic welding, laser welding, etc., the tail of the copper bar 4 is connected with the wire end or the copper bar through threads, and the tail of the copper bar 4 is bent to be L-shaped.

The outer reed 21 is provided with a second bulge 23, the shell 1 is provided with a second groove 12 matched with the second bulge 23, the shell 1 is made of steel materials, the inner contact assembly 3 and the outer contact assembly 2 are made of copper materials, and the shell 1 provides protection and support for the inner reed 31 and the outer reed 21.

After the inner reed 31, the outer reed 21 and the shell 1 are primarily assembled, the copper bar 4 is inserted into the insertion hole 33 and welded with the inner reed 31, so that secondary contact between the contact piece and the copper bar 4 is avoided, contact resistance is reduced, current carrying capacity is improved, and the contact piece is connected with the copper bar 4 in a welding mode, so that the product structure is simplified.

Of course, the utility model is not limited to the embodiments described above, but several other embodiments based on the design concept of the utility model are provided below.

For example, in other embodiments, unlike the above-described embodiments, the housing 1 has a split symmetrical structure, and the housing 1 includes two split shells that are symmetrically spliced.

For example, in other embodiments, unlike the above-described embodiments, the shape of the tail of the copper bar 4 is not limited.

The application also provides a specific embodiment of the connector: the connector in this embodiment, including the contact provided in any of the contact embodiments described above,

It should be noted that the above embodiments are only for illustrating the present utility model, but the present utility model is not limited to the above embodiments, and any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model falls within the protection scope of the present utility model.

Claims

1. A contact, comprising:

A housing (1);

a copper bar (4);

The inner contact assembly (3) is arranged in the shell (1), a plurality of first spring claws (311) are oppositely arranged at the front end of the inner contact assembly (3) at intervals along the width direction of the shell (1), the first spring claws (311) are used for conducting contact with the adapting contact piece, the rear end of the inner contact assembly (3) is provided with an inserting hole (33) for inserting a copper bar (4), and the copper bar (4) is inserted into the inserting hole (33) and is connected with the inner contact assembly (3) in a welding way;

The external contact assembly (2) is arranged outside the internal contact assembly (3) and is positioned in the shell (1), the front end of the external contact assembly (2) is provided with second spring claws (211) which are arranged on two adjacent first spring claws (311), the second spring claws (211) are used for conducting contact with the adapting contact piece, and a plurality of third spring claws (11) which are in contact with the first spring claws (311) are oppositely arranged at the front end of the shell (1) and are used for enhancing the contact force between the first spring claws (311) and the adapting contact piece.

2. A contact according to claim 1, wherein: the inner contact assembly (3) is of a split symmetrical structure, the inner contact assembly (3) comprises two symmetrically spliced inner reeds (31), a first reed claw (311) is arranged at the front end of each inner reed (31), and a jack (33) for inserting the copper bar (4) is formed between the two inner reeds (31).

3. A contact according to claim 2, wherein: two sides of the inner reed (31) are bent to form contact parts, and the two inner reeds (31) are mutually abutted through end planes of the two contact parts.

4. A contact according to claim 3, wherein: the outer contact assembly (2) is of a split symmetrical structure, the outer contact assembly (2) comprises two outer reed pieces (21), the second reed claw (211) is arranged at the front end of the outer reed pieces (21), and the two outer reed pieces (21) are symmetrically arranged on the upper surface and the lower surface of the inner contact assembly (3).

5. A contact according to claim 4, wherein: the inner reed (31) is provided with a first bulge (32), and the outer reed (21) is provided with a first groove (22) matched with the first bulge (32).

6. A contact according to claim 4, wherein: the outer reed (21) is provided with a second bulge (23), and the shell (1) is provided with a second groove (12) matched with the second bulge (23).

7. A contact according to claim 1, wherein: the shell (1) is made of steel materials, and the inner contact assembly (3) and the outer contact assembly (2) are made of copper materials.

8. A contact according to claim 1, wherein: the shell (1) is of a split symmetrical structure, and the shell (1) comprises two split shells which are symmetrically spliced.

9. A connector, characterized in that: the connector comprising the contact of any one of claims 1 to 8.