05-06-2020 дата публикации
Номер: CN0210687131U
The utility model discloses a water pressure safety valve for a mining motor, which is characterized in that a safety valve is arranged on a water cooling system of the mining motor and comprises a spring valve seat, the valve seat comprises a lower connecting part and a valve cavity, a through hole of the connecting part is communicated with the valve cavity, and threads are arranged on the outerside of the connecting part; the valve cavity is cylindrical, a sealing ring is arranged at the bottom of the valve cavity, and the sealing ring surrounds the outer side of the through hole of the connecting part; a sealing washer is arranged above the sealing ring, a spring is arranged above the sealing washer, a washer is arranged above the spring, the washer abuts against the valve element, threads are arranged on the outer side of the circumference of the valve element, and the valve element is screwed with a screw hole in the inner side wall of the upper portion of the valve cavity; water ...
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