Safety valve
A safety valve and valve sleeve technology, which is used in mining equipment, earth-moving drilling, pillars/supports, etc., can solve the problems of slow dynamic response, damage and influence of pillars and top beam components, and achieve the reduction of elastic coefficient and dynamic response. fast effect
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[0014] figure 1 It is a structural schematic diagram of the present invention, showing a specific embodiment of the present invention.
[0015] This embodiment is a safety valve, see figure 1 As shown, it includes a valve body 1 with a valve chamber 11, and a valve sleeve 2, a valve core 3, a spring seat 4, a spring 5 and a pressure regulating screw 6 arranged in the valve chamber 11; the valve body 1 is also provided with The liquid inlet channel 12, the liquid outlet channel 13, and the valve hole 14 for connecting the liquid inlet channel 12 and the liquid outlet channel 13; the center of the valve sleeve 2 is provided with a sliding hole 21 and a pressure valve located in the middle of the sliding hole 21 Cavity 22; one end of the valve core 3 is provided with a sealing portion 31 for blocking the valve hole 14, the other end is provided with a pressing portion 32 for pressing against the spring seat 4, and the middle end is provided for pressing on the valve hole 14. Th...
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