A high anti-explosion lighting switch

CN224696649UActive Publication Date: 2026-08-28ZHEJIANG ZHECHUANG ZHONGHE EXPLOSION-PROOF TECH CO LTD
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Patent Information

Application Number
CN202522020633.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-19
Publication Date
2026-08-28
Estimated Expiration
2035-09-19

AI Technical Summary

Technical Problem

[0002]在一些存在爆炸性气体或粉尘的危险场所，如石油、化工、煤矿等行业的工作环境中，普通的照明开关由于不具备防爆性能，容易在开关操作过程中产生电火花，从而引发爆炸事故，造成严重的人员伤亡和财产损失

Benefits of technology

本实用新型具备良好的防爆性能，通过合理的隔爆与密封结构设计，包括隔爆结合面密封圈、橡胶塞等，能够有效防止爆炸危险的发生。各部件连接稳固，运行可靠，适用于存在爆炸性气体或粉尘的危险场所，为照明电路的控制提供了安全保障。

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Abstract

The utility model discloses a high anti -explosion lighting switch, including shell module and action module, the shell module is including main casing and switch cover, the switch cover is fixedly installed in the main casing through first anti -explosion screw and second anti -explosion screw, the switch cover is equipped with mounting hole end, the action module includes switch knob, explosion -proof axle and change over switch, the switch knob is installed in the top of switch cover, the explosion -proof axle is installed in the mounting hole end, and the top of explosion -proof axle is external in switch cover and is installed in switch knob through third anti -explosion screw. The utility model discloses a high anti -explosion lighting switch has good anti -explosion performance, can safely and reliably control illumination in dangerous explosion environment.
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Claims

1. A high explosion-proof lighting switch, characterized in that, Includes a shell module and an action module, wherein: The outer casing module includes a main casing and a switch cover. The switch cover is fixedly installed on the main casing by a first explosion-proof screw and a second explosion-proof screw. The switch cover is provided with a mounting hole end. The actuation module includes a switch knob, an explosion-proof shaft, and a selector switch. The switch knob is mounted on the top of the switch cover, the explosion-proof shaft is mounted on the mounting hole end, the top end of the explosion-proof shaft is external to the switch cover and is mounted to the switch knob by a third explosion-proof screw, the selector switch is located in the receiving cavity formed by the main housing and the switch cover, and the bottom end of the explosion-proof shaft is built into the switch cover and connected to the selector switch. An open retaining ring is fitted on the explosion-proof shaft, and the open retaining ring is in close contact with the outside of the mounting hole end; a first sealing ring is sleeved on the explosion-proof shaft and the first sealing ring is built into the mounting hole end; a rubber plug is provided on the top of the switch cover and the rubber plug covers the third explosion-proof screw.

2. The explosion-proof lighting switch according to claim 1, characterized in that, Both the first explosion-proof screw and the second explosion-proof screw are fitted with a second sealing ring, which is located at the connection between the main housing and the switch cover.

3. A high explosion-proof lighting switch according to claim 2, characterized in that, The contact surface between the explosion-proof shaft and the mounting hole end is an explosion-proof mating surface.

4. A high explosion-proof lighting switch according to claim 1, characterized in that, The contact surface between the main housing and the switch cover is an explosion-proof joint surface.

5. A high explosion-proof lighting switch according to claim 1, characterized in that, The main housing is equipped with an explosion-proof plug.