CN212257251U

CN212257251U - Contact piece connecting structure of wall switch

Info

Publication number: CN212257251U
Application number: CN202021421559.9U
Authority: CN
Inventors: 张赟超
Original assignee: Zhejiang Libang Electric Appliance Co ltd
Current assignee: Zhejiang Libang Electric Appliance Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2020-12-29
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a contact piece connecting structure of a wall switch, which comprises a panel, a bracket plate, a key and a backseat module; the rear seat module is provided with a toggle block matched with the key; the panel is fixed on the support plate, and a key pressing groove for installing a key is formed in the panel; the button is arranged in a key groove, a movable contact piece, a static contact piece and a public end contact piece are arranged in the rear seat, the static contact piece and the public end contact piece can be connected with a wiring terminal, the movable contact piece comprises a contact piece body, movable contact points arranged at two ends of the contact piece body and an erecting part arranged at the middle part of the contact piece body, the public end contact piece is provided with a contact surface connected with the erecting part, the contact surface is punched to form an arc-shaped surface, the erecting part is in contact with the highest point of the arc-shaped surface and cannot be in contact with the whole contact surface, the movable contact piece swings more flexibly, the button is operated to feel better, meanwhile, the arc-shaped surface is formed by direct punch forming, the structure is simple.

Description

Contact piece connecting structure of wall switch

Technical Field

The utility model relates to a wall switch, more specifically say, it relates to a wall switch's contact connection structure.

Background

At present, the structure of the existing wall switch generally comprises a panel, a support plate, a key and a back seat, wherein the panel is fixed on the support plate, the back seat is also arranged on the support plate, the key is fixed on a toggle block of the back seat, the back seat is generally provided with a movable contact, a static contact, a public end contact and the like, wherein the static contact and the public end contact are connected with a wiring terminal, the movable contact comprises a contact body, movable contacts arranged at two ends of the contact body and an erection part arranged at the middle part of the contact body, the contact body is arranged on the base through the erection part and is contacted with the public end contact through the erection part, when the switch is used, the toggle block is driven by the key to move, the two ends of the contact body are controlled to swing through the toggle block, the movable contact on one end of the contact body is electrically contacted with the static contact opposite to the movable contact, and the movable contact on the other end is separated from the static contact opposite to the static, therefore, the purpose of switching on the circuit is achieved, the contact surface of the public end contact piece is a plane, the contact between the erection part and the public end contact piece is surface-to-surface contact, and the movable contact piece cannot swing flexibly and smoothly, so that people bend the contact end of the public end contact piece to form an arc-shaped surface to be connected with the movable contact piece, the bending size is difficult to control, the contact arc-shaped surface of the public end contact piece is different in height, the poor contact condition of the public end contact piece and the movable contact piece is caused, the manufacturing process is complex, and the manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a wall switch's contact connection structure.

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

a contact piece connecting structure of a wall switch comprises a panel, a bracket plate, a key and a backseat module; the rear seat module is provided with a toggle block matched with the key; the panel is fixed on the support plate, and a key pressing groove for installing a key is formed in the panel; the button is arranged in according to the keyway, the back seat module includes the back seat, is provided with movable contact, static contact and common end contact in the back seat, and wherein static contact and common end contact can be connected with binding post, the movable contact includes the contact body, sets up the movable contact at contact body both ends and sets up the portion of erectting at the contact body mid portion, the common end contact is provided with the contact surface that is connected with the portion of erectting, contact surface stamping forming is the arcwall face.

The utility model discloses further set up: the back seat is provided with two slots arranged at intervals, the openings of the slots are V-shaped openings, the end parts of the public end contact pieces provided with contact surfaces are arranged in the two slots, and the two sides of the erecting part are provided with connecting bulges matched with the V-shaped openings.

The utility model discloses beneficial effect: the contact surface punching press forms the arcwall face for the portion of erectting is contacted with the highest point of arcwall face, can not contact with whole contact surface, makes the movable contact spring swing more nimble, and button operation feels better, and the arcwall face is direct stamping forming simultaneously, simple structure, and the manufacturing of being convenient for reduces manufacturing cost.

Drawings

Fig. 1 is an exploded view of a wall switch of the present invention;

FIG. 2 is an assembly view of the rear seat, the movable contact, the stationary contact and the common terminal contact;

FIG. 3 is a schematic structural view of the rear seat;

FIG. 4 is an assembly view of the movable contact and the common terminal contact;

fig. 5 is a schematic diagram of a common contact configuration.

Description of reference numerals: 1. a panel; 11. pressing a key slot; 2. a mounting plate; 3. pressing a key; 4. a back seat module; 41. a rear seat; 411. a slot; 412. an opening; 42. a movable contact spring; 421. a contact body; 422. a movable contact; 423. a mounting part; 4231 connecting boss; 43. a static contact piece; 44. a common terminal contact; 441. a contact surface; 5. and a poking block.

Detailed Description

A contact piece connecting structure of a wall switch according to the present invention will be described in further detail with reference to fig. 1 to 5.

A contact piece connecting structure of a wall switch comprises a panel 1, a support plate 2, a key 3 and a backseat module 4; the rear seat module 4 is arranged on the mounting plate and is provided with a poking block 5 matched with the key 3; the panel 1 is fixed on the support plate 2, and a key groove 11 for installing the key 3 is formed in the panel 1; the key 3 is arranged in the key pressing groove 11, the rear seat module 4 comprises a rear seat 41, a movable contact piece 42, a fixed contact piece 43 and a common end contact piece 44 are arranged in the rear seat 41, wherein the fixed contact piece 43 and the common end contact piece 44 are connected with a wiring terminal, the movable contact piece 42 comprises a contact piece body 421, movable contacts 422 arranged at two ends of the contact piece body 421 and an erecting part 423 arranged at the middle part of the contact piece body 421, the common end contact piece 44 is provided with a contact surface 441 connected with the erecting part 423, the contact surface 441 is formed into an arc-shaped surface in a punching mode, the erecting part 423 is in contact with the highest point of the arc-shaped surface and cannot be in contact with the whole contact surface 441, the movable contact piece 42 swings more flexibly, the key 3 is better in operation hand feeling, and meanwhile, the arc-shaped surface is formed into a direct.

The rear seat 41 is provided with two slots 411 arranged at intervals, the openings 412 of the slots 411 are V-shaped openings 412, the end part of the common end contact piece 44 provided with the contact surface 441 is arranged in the two slots 411, so that the common end contact piece 44 is more stably and reliably mounted, the end part is prevented from being displaced in the use process, the two sides of the erecting part 423 are respectively provided with a connecting bulge 4231 matched with the V-shaped openings 412, the movable contact piece 42 is prevented from being displaced in the swinging process, and the movable contact piece 42 is effectively ensured to be in good contact with the common end contact piece 44.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A contact piece connecting structure of a wall switch comprises a panel, a bracket plate, a key and a backseat module; the rear seat module is provided with a toggle block matched with the key; the panel is fixed on the support plate, and a key pressing groove for installing a key is formed in the panel; the button is arranged in according to the keyway, the back seat module includes the back seat, is provided with movable contact, static contact and common terminal contact in the back seat, and wherein static contact and common terminal contact can be connected with binding post, the movable contact includes the contact body, sets up at the movable contact at contact body both ends and sets up the portion of erectting at contact body mid portion, characterized by: the public end contact piece is provided with a contact surface connected with the erection part, and the contact surface is punched to form an arc-shaped surface.

2. A contact blade connection structure of a wall switch as claimed in claim 1, wherein: the back seat is provided with two slots arranged at intervals, the openings of the slots are V-shaped openings, the end parts of the public end contact pieces provided with contact surfaces are arranged in the two slots, and the two sides of the erecting part are provided with connecting bulges matched with the V-shaped openings.