CN213752491U

CN213752491U - High-reliability switch

Info

Publication number: CN213752491U
Application number: CN202120136018.XU
Authority: CN
Inventors: 郑斌炎; 郑海鹏; 王瑶茹
Original assignee: Wenzhou Jiaju Electrical Co ltd
Current assignee: Wenzhou Jiaju Electrical Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-07-20
Anticipated expiration: 2031-01-19

Abstract

The utility model relates to a high-reliability switch, including bottom plate, face lid, switch module, be formed with the holding chamber between face lid and the bottom plate, switch module sets up at the holding intracavity, switch module includes base, apron, button, interior knob, with interior knob linkage complex moving contact, set up at the spring between moving contact and interior knob, the first binding post that is connected with the moving contact, the second binding post that the both sides department that corresponds the moving contact set up two static contacts on the base respectively, is connected with the static contact, the button on be provided with the driving lever, interior knob on be provided with driving lever matched with U type groove, the lower extreme of driving lever pass the apron and alternate at U type inslot, and constitute the linkage cooperation of button and interior knob. The utility model has the advantages of simple structure, stable and reliable performance, convenient assembly.

Description

High-reliability switch

Technical Field

The utility model relates to the technical field of switches, concretely relates to high reliable switch.

Background

At present, a wall switch refers to an electrical switch installed on a wall for switching on and off a circuit and controlling an illumination lamp. The existing wall switch comprises a base, a face cover, a press plate, a switch button press cover, a movable contact bridge, a fixed contact and a wiring terminal, and the structural design of the existing wall switch is unreasonable, so that the wall switch has the defects of unreliable performance, inconvenient assembly and complex structure.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide a simple structure, stable performance are reliable, the convenient high reliable switch of assembly.

In order to achieve the above object, the present invention provides a highly reliable switch, which comprises a bottom plate, a surface cover disposed on the bottom plate, and a switch assembly, wherein a containing cavity is formed between the surface cover and the bottom plate, the switch assembly is disposed in the containing cavity, the switch assembly comprises a base disposed on the bottom plate, a cover plate disposed on the base, a button rotatably disposed on the surface cover, an inner button disposed in the base and cooperating with the button, a moving contact cooperating with the inner button, a spring disposed between the moving contact and the inner button, a first connecting terminal connected to the moving contact, two static contacts disposed on the base respectively corresponding to two sides of the moving contact, and a second connecting terminal connected to the static contacts, the button is provided with a shift lever, the inner button is provided with a U-shaped groove cooperating with the shift lever, a lower end of the shift lever passes through the cover plate and is inserted into the U-shaped groove, and form linkage fit of the button and the inner torque.

The beneficial effect of above-mentioned structure is: the button drives the inner torque to transversely shift the moving contact to move, so that the moving contact and the fixed contact can be reliably connected or disconnected, the working reliability of the switch is improved, the button and the inner torque are assembled in a clamping fit mode, the switch is more convenient to assemble, the button can be ensured to reliably drive the inner torque to move, and the switch has the advantages of being simple in structure, stable and reliable in performance and convenient to assemble.

Particularly, the button on be provided with two backing sheets, all be provided with the arc draw-in groove on two backing sheets, the face cover correspond two backing sheets punishment and be provided with the pivot respectively, the arc draw-in groove block in the pivot, and constitute the swivelling joint cooperation of button and face lid. The button clamps in the pivot of face lid to the assembly of button and face lid of being convenient for, the assembly is more convenient.

In particular, the bottom plate is provided with hooks corresponding to two sides of the base respectively, two sides of the base are provided with clamping blocks matched with the hooks respectively, and the hooks are clamped on the clamping blocks and form clamping matching of the bottom plate and the base. The bottom plate and the base are assembled in a clamping matching mode, the bottom plate and the base are assembled more conveniently, and the assembly efficiency of the switch is improved.

Particularly, the bottom plate on one side department that corresponds the pothook be provided with the spacer, the base on be provided with the constant head tank with spacer matched with, the spacer alternate in the constant head tank, and constitute the spacing cooperation of bottom plate and base. The bottom plate and the base are in limit fit, so that the connection between the bottom plate and the base is more compact.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention.

Fig. 2 is an exploded view of an embodiment of the present invention.

Fig. 3 is an internal structure diagram of the embodiment of the present invention.

Fig. 4 is a perspective view of the button according to the embodiment of the present invention.

Detailed Description

As shown in fig. 1 to 4, an embodiment of the present invention is a highly reliable switch, including a bottom plate 10, a surface cover 11 disposed on the bottom plate 10, and a switch assembly 20, wherein a receiving cavity 100 is formed between the surface cover 11 and the bottom plate 10, the switch assembly 20 is disposed in the receiving cavity 100, the switch assembly 20 includes a base 21 disposed on the bottom plate 10, a cover plate 22 disposed on the base 21, a button 23 rotatably disposed on the surface cover 11, an inner knob 24 disposed in the base 21 and cooperating with the button 23, a movable contact 25 cooperating with the inner knob 24, a spring 26 disposed between the movable contact 25 and the inner knob 24, a first connection terminal 27 connected with the movable contact 25, two stationary contacts 28 disposed on the base 21 respectively corresponding to two sides of the movable contact 25, and a second connection terminal 29 connected with the stationary contact 28, the button 23 is provided with a shift lever 231, the inner knob 24 is provided with a U-shaped groove 241 matched with the shifting rod 231, the lower end of the shifting rod 231 penetrates through the cover plate 22 and is inserted into the U-shaped groove 241, and the button 23 is in linkage fit with the inner knob 24.

As shown in fig. 1 and 4, the button 23 is provided with two support pieces 232, the two support pieces 232 are both provided with arc-shaped slots 233, the surface cover 11 is provided with rotating shafts 111 corresponding to the two support pieces 232, and the arc-shaped slots 233 are fastened on the rotating shafts 111 and form a rotating connection fit between the button 23 and the surface cover 11. The button clamps in the pivot of face lid to the assembly of button and face lid of being convenient for, the assembly is more convenient. The bottom plate 10 is provided with hooks 101 corresponding to two sides of the base 21, two sides of the base 21 are provided with clamping blocks 211 matched with the hooks 101, and the hooks 101 are clamped on the clamping blocks 211 to form clamping matching of the bottom plate 10 and the base 21. The bottom plate and the base are assembled in a clamping matching mode, the bottom plate and the base are assembled more conveniently, and the assembly efficiency of the switch is improved. The base plate 10 is provided with a positioning sheet 102 at one side corresponding to the hook 101, the base 21 is provided with a positioning groove 212 matched with the positioning sheet 102, and the positioning sheet 102 is inserted into the positioning groove 212 to form the limit matching of the base plate 10 and the base 21. The bottom plate and the base are in limit fit, so that the connection between the bottom plate and the base is more compact.

The button drives the inner torque to transversely shift the moving contact to move, so that the moving contact and the fixed contact can be reliably connected or disconnected, the working reliability of the switch is improved, the button and the inner torque are assembled in a clamping fit mode, the switch is more convenient to assemble, the button can be ensured to reliably drive the inner torque to move, and the switch has the advantages of being simple in structure, stable and reliable in performance and convenient to assemble.

Claims

1. The utility model provides a high reliable switch, includes the bottom plate, sets up face lid, the switch module on the bottom plate, face lid and bottom plate between be formed with the holding chamber, the switch module set up at the holding intracavity, its characterized in that: the switch component comprises a base arranged on a bottom plate, a cover plate arranged on the base, a button rotationally arranged on a face cover, an inner rotor arranged in the base and in linkage fit with the button, a moving contact in linkage fit with the inner rotor, a spring arranged between the moving contact and the inner rotor, a first wiring terminal connected with the moving contact, two fixed contacts arranged on the base and a second wiring terminal connected with the fixed contacts respectively corresponding to two sides of the moving contact, wherein a shifting rod is arranged on the button, a U-shaped groove matched with the shifting rod is arranged on the inner rotor, and the lower end of the shifting rod penetrates through the cover plate and is inserted in the U-shaped groove to form linkage fit of the button and the inner rotor.

2. The high reliability switch of claim 1, wherein: the button on be provided with two backing sheets, all be provided with the arc draw-in groove on two backing sheets, the face cover and correspond two backing sheets punishment and do not be provided with the pivot, the arc draw-in groove block in the pivot, and constitute the rotation connection cooperation of button and face lid.

3. The high reliability switch according to claim 1 or 2, wherein: the bottom plate on correspond the both sides of base and be provided with the pothook respectively, the both sides of base on be provided with respectively with pothook matched with fixture block, the pothook block on the fixture block, and constitute the joint cooperation of bottom plate and base.

4. The high reliability switch of claim 3, wherein: the bottom plate on one side department that corresponds the pothook be provided with the spacer, the base on be provided with spacer matched with constant head tank, the spacer alternate in the constant head tank, and constitute the spacing cooperation of bottom plate and base.