Explosion-proof switch
The utility model relates to coal mining and particularly relates an explosion-proof switch. The explosion-proof switch comprises an explosion-proof casing, an explosion-proof cover, switches and press rods. The explosion-proof casing is a hollow cavity with one opened end. The switches are arranged...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to coal mining and particularly relates an explosion-proof switch. The explosion-proof switch comprises an explosion-proof casing, an explosion-proof cover, switches and press rods. The explosion-proof casing is a hollow cavity with one opened end. The switches are arranged in the explosion-proof casing and are fixedly connected with the explosion-proof casing, and the switches are stroke switches. The explosion-proof cover is matched and connected with the opened end of the explosion-proof casing, so that the explosion-proof casing and the explosion-proof cover surround to form a sealed cavity. The press rods are cylindrical. The explosion-proof cover is provided with through holes. The diameter of the cross section of each press rod in the length direction accords with the diameter of one through hole. The press rods and the through holes are in sleeving connection to control the switches. Compared with an explosion-proof switch composed of a spring and other button components in t |
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