CN214672246U

CN214672246U - Novel composite contact

Info

Publication number: CN214672246U
Application number: CN202121070364.9U
Authority: CN
Inventors: 沈晓毅
Original assignee: Ningbo Yili Electronics Co ltd
Current assignee: Ningbo Yili Electronics Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-11-09
Anticipated expiration: 2031-05-19

Abstract

The utility model relates to a novel compound contact, including compound contact layer, compound base member layer and welded layer. The composite contact layer comprises a convex head part and a circular truncated cone bottom part; the convex round head and the round table bottom are integrally formed. The composite matrix layer is hexagonal prism-shaped; and the composite substrate layer is fixedly connected with the composite contact layer in a welding mode. The utility model discloses simple structure is novel, and electric conductivity is good, and the practicality is strong, and the suitability is good, long service life, and is reliable and stable, is fit for promoting on a large scale.

Description

Novel composite contact

Technical Field

The utility model relates to a contact technical field especially relates to a novel compound contact.

Background

The contact element is widely applied to electrical equipment products such as a switch, a relay, a temperature controller and the like. The existing contacts are mostly riveted on the contact sheet with holes through a riveting machine, the composite layer is small, and when an electronic appliance is switched on or switched off, because the metal conductor terminal is easy to generate instant heating and sparks at the moment of contact, the contact point is easy to generate oxidation and electrolysis in the multi-frequency process of use, the local thickness is thinned, and the service life is shortened.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a novel composite contact to solve the above-mentioned defect that exists among the prior art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a novel composite contact comprises a composite contact layer, a composite base body layer and a welding layer.

The composite contact layer comprises a convex round head part and a round table bottom part; the convex round head and the round table bottom are integrally formed.

The composite matrix layer is hexagonal prism-shaped; and the composite substrate layer is fixedly connected with the composite contact layer in a welding mode.

The welding layer is a downward convex circular welding spot.

Preferably, the thickness of the convex head part is 1/3-1/2 of the bottom of the circular truncated cone.

Preferably, the composite contact layer is a silver-containing alloy material layer.

Preferably, the diameter of the top surface of the bottom of the circular truncated cone is 5/6 of the diameter of the bottom surface of the bottom of the circular truncated cone.

Preferably, the diameter of the inscribed circle of the composite substrate layer is 4/5 of the diameter of the bottom surface of the circular truncated cone of the composite contact layer.

Has the advantages that:

the utility model adopts a welding contact mode, which is different from the traditional riveting installation, the top of the contact is convex, the bottom is round table, compared with the traditional riveting contact, the contact greatly improves the thickness of the contact layer and ensures that the contact can be used in high load for a long time; the utility model discloses simple structure is novel, and electric conductivity is good, and the practicality is strong, and the suitability is good, long service life, and is reliable and stable, is fit for promoting on a large scale.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a right side view of the present invention;

FIG. 3 is a cross-sectional view along line AA in FIG. 2;

fig. 4 is a bottom view of the present invention.

Reference numerals: the composite contact comprises a composite contact layer 1, a composite base body layer 2, a welding layer 3, a convex round head 4 and a round table bottom 5.

Detailed Description

In order to further understand and appreciate the structural features and advantages of the present invention, preferred embodiments and the accompanying drawings are described in detail as follows:

a novel composite contact, as shown in fig. 1-4, includes a composite contact layer 1, a composite substrate layer 2, and a solder layer 3.

The composite contact layer 1 comprises a convex round head part 4 and a round table bottom part 5; the convex round head part 4 and the round platform bottom part 5 are integrally formed. Further, compared with the traditional riveting type contact, the composite contact layer with the shape of the convex round head part and the round table bottom part greatly improves the thickness of the contact layer and ensures that the contact can be used under high load for a long time.

The composite matrix layer 2 is hexagonal prism-shaped; and the composite substrate layer 2 is fixedly connected with the composite contact layer 1 in a welding mode. Further, the hexagonal-prism-shaped composite base layer which is welded and installed can ensure high mechanical strength and structural stability and has good conductivity.

The welding layer 3 is a downward convex circular welding spot, so that welding and installation are facilitated.

Further, in the present embodiment, the thickness of the convex head 4 is 1/3-1/2 of the circular truncated cone bottom 5.

Further, in the present embodiment, the composite contact layer 1 is a silver-containing alloy material layer.

In this embodiment, the diameter of the top surface of the circular truncated cone bottom 5 is 5/6 of the diameter of the bottom surface.

In this embodiment, the diameter of the inner circle of the composite substrate layer 2 is 4/5 of the diameter of the bottom surface of the circular truncated cone of the composite contact layer 1.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A novel composite contact is characterized in that: comprises a composite contact layer, a composite substrate layer and a welding layer;

the composite contact layer comprises a convex round head part and a round table bottom part; the convex round head part and the round table bottom part are integrally formed;

the composite matrix layer is hexagonal prism-shaped; the composite substrate layer is fixedly connected with the composite contact layer in a welding mode;

the welding layer is a downward convex circular welding spot.

2. A novel composite contact according to claim 1, wherein: the thickness of the convex round head part is 1/3-1/2 of the bottom of the round table.

3. A novel composite contact according to claim 1, wherein: the composite contact layer is a silver-containing alloy material layer.

4. A novel composite contact according to claim 1, wherein: the diameter of the top surface of the bottom of the circular truncated cone is 5/6 of the diameter of the bottom surface of the circular truncated cone.

5. A novel composite contact according to claim 1, wherein: the diameter of the inner circle of the composite substrate layer is 4/5 of the diameter of the bottom surface of the circular table of the composite contact layer.