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Structure of operating part of explosion prevention button head

A technology of operating parts and operating parts, applied in the direction of electrical components, electric switches, circuits, etc., can solve the problems of ineffective prevention of water ingress and achieve good protection performance

Active Publication Date: 2009-09-30
WAROM TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In this structure, the sealing ring is in contact with the body (or cover) and the movable shaft by its own tension and the elastic force of the spring, so as to play a protective role. When the button head is operated, the gap between the moving part and the fixed part of the button head Cannot effectively prevent water ingress

Method used

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  • Structure of operating part of explosion prevention button head
  • Structure of operating part of explosion prevention button head
  • Structure of operating part of explosion prevention button head

Examples

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Embodiment Construction

[0013] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0014] Depend on image 3 It can be seen that the present invention includes: a cover 10, a body 20 connected to the cover 10; in the cavity formed by the cover 10 and the body 20, an operating part 30 on its upper part and a stopper on its lower part are also included. Plate 91; a first spring 40, a compression ring 60, a telescopic sealing ring 50, a movable shaft 70, and a second spring 80 are sequentially arranged under the operating part 30; a fixing mechanism 90 is also included; the fixing mechanism 90 Placed under the movable shaft 70, and make the contact surface of the telescopic sealing ring 50 and the movable shaft 70 and the contact surface of the telescopic sealing ring 50 and the cover 10 or body 20 form a close contact structure;

[0015] The operating part 30 is a flat type or a lock type or a mushroom head type or a selection ...

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Abstract

The invention relates to a structure of an operating part of an explosion prevention button head, which comprises: a cover (10) and a body (20) connected with the cover (10); a cavity formed by the cover (10) and the body (20) and comprising an operating part (30) on the upper part and a baffle plate (91) on the lower part; a first spring (40), a clamp ring (60), a telescopic sealing ring (50), a sliding shaft (70) and a second spring (80) which are arranged below the operating part (30) in turn; and fixing mechanism (90) which is arranged below the sliding shaft (70) and makes the contact surface of the telescopic sealing ring (50) and the sliding shaft (70) and the contact surface of the telescopic sealing ring (50) and the cover (10) or the body (20) form a sealed contact structure. Through the connection and the transition of the telescopic sealing ring, the body and the cover as well as the clamp ring and a contact are connected into a whole body effectively, and simultaneously, gaps between the four components are shielded effectively to achieve good protecting performance.

Description

technical field [0001] The invention relates to an explosion-proof button head, in particular to the structure of the operating part of the explosion-proof button head. Background technique [0002] The explosion-proof button head is a kind of button structure used in explosion-proof electrical products in the explosion-proof industry and assembled in the operation panel or other lamps and lanterns to operate the internal buttons. [0003] Depend on figure 1 , figure 2 It can be seen that the explosion-proof button head is generally composed of a fixed part (cover 1, body 2) and a movable operating part (movable shaft 3, spring 4, sealing ring 5). The fixed part plays the role of button installation and protection, and the operating part is the button. Operation of internal components. [0004] In this structure, the sealing ring is in contact with the body (or cover) and the movable shaft by its own tension and the elastic force of the spring, so as to play a protective...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H13/02H01H13/14H01H13/28
Inventor 李江邝仕勇邓江
Owner WAROM TECH INC
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