Valve oil film sealing structure and valve with oil film sealing structure
An oil film sealing and valve technology, applied in the direction of lift valve, sliding valve, valve device, etc., can solve the problems of laborious opening or closing operation of the valve body, the sealing ring seal cannot meet the demand, and the service life of the valve body is reduced. Operation and opening torque are reduced, and valve damage is small.
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[0041] The specific embodiment of the present invention is such as Figure 1-12 Shown is a valve with an oil film sealing structure, including a valve body 1. A fluid passage 11 is provided in the valve body 1. A valve core 2 that conducts or cuts off the fluid passage 11 is provided in the fluid passage 11. A valve core 2 is also provided in the valve body 1. There is a valve seat 3 that forms a sealed connection with the valve core 2, the valve core 2 is connected to the operating mechanism 5 through the valve shaft 4, the valve body 1 is provided with a valve channel 13 that is adapted to the valve shaft 4, the valve shaft 4 and the valve channel 13 There is a gap between the valve seat 3 and the surface of the valve core 2. The gap is filled with sealing paste. The sealing paste can be grease or ointment with a certain viscosity. The sealing paste is located between the valve seat 3 and the valve core. An oil film-like sealing surface is formed between the surfaces of the ...
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