Flame-retardant type anti-explosion valve of crankcase
An explosion-proof valve, crankcase technology, applied in the direction of engine components, machines/engines, mechanical equipment, etc., can solve the problems of unfavorable pressure reduction and flame suppression, large load of explosion-proof valves, etc., to improve flame suppression and pressure reduction effect, production The effect of high efficiency and improved utilization
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[0027] Below in conjunction with accompanying drawing, the present invention is further described as follows:
[0028] Such as Figure 1-4 As shown, the crankcase flame-retardant explosion-proof valve of the present invention includes a valve cover 1 and a valve seat 4 with a disc 42. The lower surface of the top end of the valve cover 1 is provided with a protrusion, and one end of the spring 11 is fixed. On the protrusion on the lower surface of the valve cover 1, the other end of the spring 11 is pressed against the disc 42 of the valve seat 4, and the valve disc 42 and the valve seat 4 are sealed by a sealing ring 41. , a flame retardant is installed between the valve seat 4 and the valve cover 1, and the flame retardant includes several inner flame retardant rings 2 and an outer flame retardant ring 3, and the outer flame retardant ring 3 It includes the outer flame retardant ring body and the installation ring 31 arranged at the upper and lower ends of the outer flame r...
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