Self-closed deck plane valve
A flat valve, self-closing technology, applied in valve devices, functional valve types, fluid distribution valves, etc., can solve the problems of complex operation and self-closing failure, and achieve the effect of convenient operation and simple structure
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[0070] A preferred embodiment will be given below, and the present invention will be described more clearly and completely in conjunction with the accompanying drawings.
[0071] like Figure 1-4 The shown self-closing deck flat valve includes a valve body 100 , a spring 200 , a sealing washer 300 and a positioning sleeve 400 .
[0072] like figure 1 and figure 2 As shown, the valve body 100 includes a valve stem 110 , a valve seat 120 and a spring seat 130 . Wherein, the sealing washer 300 is disposed on the surface of the valve stem 110 .
[0073] The valve stem 110 includes a stem portion 111 and a chassis portion 112 , and the stem portion 111 is fixed on the chassis portion 112 . In this embodiment, a cylindrical groove 1121 is formed on the upper surface of the chassis portion 112 , and the surface of the rod portion 111 abuts against the wall surface of the groove 1121 . A first through hole 1111 is provided on the surface of the rod part 111 provided on the chass...
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