CN-122025449-A - Moving contact device of electric switch and electric switch

CN122025449ACN 122025449 ACN122025449 ACN 122025449ACN-122025449-A

Abstract

The invention discloses a moving contact device of an electric switch, which comprises a moving contact, an elastic piece, a supporting part and a driving part, wherein the moving contact, the supporting part and the driving part are directly or indirectly arranged on the elastic piece, the elastic piece drives the moving contact to rotate by taking the supporting part as a rotation center under the action of the driving part, the elastic piece is composed of at least one elastic steel wire, and the elastic piece and the supporting part or/and the driving part or/and the moving contact are integrally arranged or separately arranged. The invention has the advantages of convenient processing, simple structure, less parts, low cost, reliable contact retention force of the contact and reliable connection of the product.

Inventors

NAN YIN
FAN ZHIHAO
LI CHEN
CHEN YANMING
LI WEIWEI
WANG RUIMING
HUANG ZOUHAO
YANG YINGJIE
MENG LINGQIAN
XIAO JIANXU
ZHAO JIAWEI

Assignees

浙江瑞坦数字能源有限公司

Dates

Publication Date: 20260512
Application Date: 20250314
Priority Date: 20241111

Claims (20)

1. The utility model provides a moving contact device of electric switch, moving contact device includes moving contact, elastic component, supporting part, drive division, the moving contact the supporting part the drive division is direct or indirect to be set up on the elastic component, the elastic component is in under the effect of drive division drive the moving contact uses the supporting part is the center of rotation, its characterized in that: the elastic piece is composed of at least one elastic steel wire, and the elastic piece and the supporting part or/and the driving part or/and the moving contact are integrally arranged or separately arranged.
2. The movable contact device of an electric switch according to claim 1, wherein the supporting portion or/and the driving portion is integrally wound by the elastic member.
3. The movable contact device of an electric switch according to claim 2, wherein the supporting portion and the driving portion are in a hole-like structure or a ring-like structure.
4. The movable contact device of an electric switch according to claim 3, further comprising a rotation support shaft integrally provided with the support portion or fitted in the shaft hole, wherein the movable contact device rotates around the rotation support shaft as a rotation center.
5. The movable contact device of an electric switch as set forth in claim 1, wherein said elastic member is integrally formed with said movable contact, and a contact surface of said elastic member is coated with a conductive material.
6. The movable contact device of the electric switch of claim 1, further comprising a contact portion, wherein the movable contact is fixed on the contact portion, and the movable contact portion is of a hole-shaped structure or an annular structure formed by integrally winding the elastic piece.
7. The movable contact device of an electric switch according to claim 1, further comprising a connecting member, wherein the connecting member is fastened to the elastic member, and the driving portion or/and the supporting portion are provided on the connecting member.
8. The movable contact device of an electrical switch as set forth in claim 1, further comprising a support plate, wherein the movable contact is disposed on the support plate, wherein the support plate is disposed between the elastic member and the movable contact, and wherein the movable contact is indirectly connected to the elastic member through the support plate.
9. The movable contact device of an electric switch according to claim 1, wherein the elastic member has an acute folded shape or an obtuse folded shape or a straight line shape.
10. The movable contact device of an electric switch according to claim 1, wherein the driving part is disposed in a middle portion of at least one of the elastic members, and the movable contact and the supporting part are disposed at both end portions of the elastic member, respectively.
11. The movable contact device of an electric switch according to claim 1, wherein one end portions of at least two elastic members intersect and are provided with the driving portion, and the other end portions of at least two elastic members are respectively provided with the movable contact and the supporting portion.
12. The movable contact device of an electric switch according to claim 1, wherein the supporting portion is disposed in a middle portion of at least one of the elastic members, and the movable contact and the driving portion are disposed at both end portions of the elastic member, respectively.
13. The movable contact device of an electric switch according to claim 1, wherein one end portions of at least two elastic members intersect and are provided with the supporting portions, and the other end portions of at least two elastic members are respectively provided with the movable contact and the driving portion.
14. The movable contact device of an electric switch according to claim 1, wherein the movable contact is disposed in a middle portion of at least one of the elastic members, and the driving portion and the supporting portion are disposed at both end portions of the elastic member, respectively.
15. The movable contact device of an electric switch according to claim 1, wherein one end portions of at least two elastic members intersect and are provided with the movable contact, and the other end portions of at least two elastic members are respectively provided with the supporting portion and the driving portion.
16. The movable contact device of an electric switch according to any one of claims 10 to 15, wherein the supporting portion, the driving portion, and the movable contact are positioned on the same straight line.
17. The movable contact device of an electric switch according to any one of claims 10 to 15, wherein the supporting portion, the driving portion, and the movable contact are positioned on different straight lines.
18. The movable contact device of an electrical switch according to any one of claims 10 to 15, wherein the projection of the driving portion in the normal phase direction of the connection line between the supporting portion and the movable contact is located between the supporting portion and the movable contact.
19. The movable contact device of an electrical switch according to any one of claims 10 to 15, wherein the support portion is located between the driving portion and the movable contact in a projection of the driving portion in a normal phase direction of a connection line of the driving portion and the movable contact.
20. The movable contact device of an electrical switch as set forth in any one of claims 10 to 15, wherein the movable contact is disposed between the driving portion and the supporting portion in a projection along a normal direction of a line connecting the driving portion and the supporting portion.

Description

Moving contact device of electric switch and electric switch Technical Field The invention relates to the technical field of piezoelectric devices, in particular to a movable contact device of an electric switch. Background The prior art (patent number 201910725356.4) discloses a load switch, wherein a moving contact component applies a retaining force in a spring mode, and the problem of the mode is that the number of parts is large, the structure is complex, and the cost is high. Therefore, it is necessary to design a moving contact device which is low in cost and can reliably contact, and the product competitiveness is improved. Disclosure of Invention An object of the present invention is to provide a moving contact device which is reliable in contact at low cost. In order to achieve the above purpose, the invention discloses a moving contact device of an electric switch, which comprises a moving contact, an elastic piece, a supporting part and a driving part, wherein the moving contact, the supporting part and the driving part are directly or indirectly arranged on the elastic piece, the elastic piece drives the moving contact to rotate by taking the supporting part as a rotation center under the action of the driving part, the elastic piece is composed of at least one elastic steel wire, and the elastic piece and the supporting part or/and the driving part or/and the moving contact are integrally arranged or separately arranged. In the technical scheme, the elastic piece is made of the elastic steel wire, the elastic steel wire can generate larger elastic deformation, reliable contact holding force is provided, and reliable connection of a product is ensured. In some embodiments, the support portion or/and the driving portion is integrally wound by the elastic member. In the technical scheme, the supporting part, the driving part and the elastic piece are integrally arranged, so that the number of parts can be reduced, and the cost is reduced. In some embodiments, the support portion, the drive portion are in a hole-like or ring-like configuration. In the technical scheme, the supporting part and the driving part are wound to be in a hole-shaped or annular structure, so that the structure is simple, and the processing is convenient. In some embodiments, the moving contact device further includes a rotating fulcrum shaft integrally provided with the supporting portion or fitted in the shaft hole, and the moving contact device rotates around the rotating fulcrum shaft as a rotation center. In the technical scheme, the special processing characteristics of the elastic steel wire are utilized, the elastic steel wire is directly wound into a ring structure, and the elastic steel wire is convenient to process, simple in structure, few in parts and low in cost. In some embodiments, the elastic member is integrally formed with the moving contact, and a contact surface of the elastic member is coated with a conductive material. In the technical scheme, the elastic piece is coated with the conductive material such as graphene and the like, and the elastic piece is directly used for conductive contact, so that the elastic piece is convenient to process, simple in structure, few in parts and low in cost. In some embodiments, the moving contact device further includes a contact fixing portion, the moving contact is fixed on the contact fixing portion, and the moving contact fixing portion is a hole-shaped structure or an annular structure formed by integrally winding the elastic member. In the technical scheme, the elastic piece for fixing the moving contact is directly wound into the ring structure by utilizing the special processing characteristics of the elastic steel wire, and the ring structure is convenient to process, simple in structure, few in parts and low in cost. In some embodiments, the movable contact device further comprises a connecting piece, the connecting piece is fixedly connected with the elastic piece, and the driving part or/and the supporting part are arranged on the connecting piece. In the technical scheme, the connecting piece is added in the moving contact device, so that the stability and the reliability of the moving contact device are enhanced. In some embodiments, the moving contact device further comprises a support plate, the moving contact is arranged on the support plate, the support plate is located between the elastic piece and the moving contact, and the moving contact is indirectly connected with the elastic piece through the support plate. In the technical scheme, the supporting plate is additionally arranged between the moving contact and the elastic piece, so that the connection strength between the moving contact and the elastic piece is convenient to enhance. In some embodiments, the elastic member has an acute folded shape or an obtuse folded shape or a straight shape. In the technical scheme, the elastic piece is in a folded shape or a bent shape or a straight line sh