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Switch for explosion-proof box and fixed mounting structure thereof

A technology of installation structure and explosion-proof box, which is applied to electric switches, electrical components, contact operating parts, etc., can solve the problems of time-consuming and laborious installation and disassembly, inconvenient installation and maintenance, and achieve the effect of saving space and ensuring concentricity.

Active Publication Date: 2020-12-11
CCTEG CHINA COAL RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to solve the problem of inconvenient installation and maintenance caused by the installation method of the switch for the explosion-proof box in the prior art, and the time-consuming and labor-intensive problems of installation and disassembly

Method used

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  • Switch for explosion-proof box and fixed mounting structure thereof
  • Switch for explosion-proof box and fixed mounting structure thereof
  • Switch for explosion-proof box and fixed mounting structure thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0030] This embodiment provides a fixed installation structure of a switch for an explosion-proof box, such as Figure 5 As shown, it includes a fixing sleeve 2 fixed on the inner wall of the explosion-proof box for installing the switch base 4;

[0031] Also includes a limiting plate 8;

[0032] Such as Figure 4 As shown, one end of the fixed sleeve 2 for cooperating with the switch base 4 is a U-shaped groove 7 structure, and the switch base 4 is arranged in the U-shaped groove 7 along the axial direction, and the U-shaped groove The inner sides of the two groove walls of 7 are provided with installation grooves 9 matching both sides of the limiting plate 4;

[0033] The limiting plate 8 is provided with a limiting card slot matching the switch base 4, the limiting plate 8 is fitted with the fixing sleeve 2 by being pushed into the installation groove 9, and passes through the limiting plate 8. The switch base 4 is set in the card slot.

[0034] In this embodiment, the ...

Embodiment 2

[0049] This embodiment provides a switch structure that can be quickly installed and disassembled for an explosion-proof box, such as Figure 6 and 7 As shown, it includes a switch base 4 installed inside the explosion-proof box body, and a switch wrench 1 arranged outside the explosion-proof box body, and the switch wrench 1 is connected to the switch base 4;

[0050] The switch structure of this embodiment further includes the fixed installation structure of the switch for the explosion-proof box described in Embodiment 1.

[0051] In this embodiment, the fixed sleeve 2 is welded on the inner wall of the explosion-proof box, and a U-shaped groove 7 structure is arranged at the end where the fixed sleeve 2 and the switch base 4 are installed together, and a limit plate 8 is added.

[0052] The switch base 4 is arranged in the U-shaped groove 7 along the axial direction, the limit plate 8 is provided with a limit card slot matching the switch base 4, and the inner side of the t...

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PUM

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Abstract

The invention discloses a fixed mounting structure of a switch for an explosion-proof box and explosion-proof box. The fixed mounting structure comprises a fixed sleeve and a limiting plate, the fixedsleeve is provided with a U-shaped groove structure, installation grooves are formed in the inner sides of the two groove walls of the U-shaped groove, a switch base is axially installed in the U-shaped groove, the limiting plate is provided with a limiting clamping groove, and the switch base is clamped in the process that the limiting plate is pushed into the mounting groove. By changing the structure of the fixing sleeve, the whole switch base can be quickly mounted and dismounted manually without tools in the mounting process, and compared with an existing structure, the switch base doesnot need too large space, and time and labor are saved.

Description

technical field [0001] The application belongs to the technical field of explosion-proof boxes for mines, and in particular relates to a switch for an explosion-proof box and a fixed installation structure thereof. Background technique [0002] In order to meet the explosion-proof requirements, the switch used in the mine explosion-proof box has a structure such as figure 1 As shown, it includes a switch wrench 1, a fixed sleeve 2 and a switch base 4. The fixed sleeve is welded with the box body. The part outside the box is the switch wrench 1, and the part in the box is the switch base 4. [0003] At present, there are two ways to fix the switch base in the explosion-proof box. The first one directly connects the switch base with the fixing sleeve 2 with the bolt 3, such as figure 1 As shown,. [0004] With this fixing method, when the position of the switch is close to the inside of the box or when the inside of the box is full of components, it is difficult to have en...

Claims

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Application Information

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IPC IPC(8): H01H9/02H01H3/02
CPCH01H9/02H01H3/02Y02E60/10
Inventor 史慧文龙秉政朱文硕李泽芳彭然邵甜甜李起伟孟庆勇苗可彬魏峰丰颖
Owner CCTEG CHINA COAL RES INST
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