A spool and waterway control valve
A technology of waterway control and spool, which is applied in the field of spool, can solve the problems of affecting service life, high water pressure, and large effort, etc., and achieve the effect of convenient use, small operation force and short operation stroke
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[0026] Examples, see Figure 1-Figure 4 As shown, a valve core of the present invention includes a valve housing 1 with a transparent structure at both ends, a control rod 2, a hydraulic control member 3, a waterway control seal 6 and a capillary pore forming member 5; the hydraulic control member 3 A water pressure chamber 33 with a first opening 31 and a second opening 32 is formed. The side of the valve housing 1 is provided with a secondary water outlet hole 12 and a main water outlet hole 11, one end of which is a water inlet 13; the water pressure control part 3 and the waterway control seal Parts 6 are respectively set in the valve casing 1, and the waterway control sealing part 6 forms a seal on the second opening 32 of the water pressure control part 3. The waterway control sealing part 6 has the function of being affected by the water pressure difference and can be elastically deformed to communicate with the valve. The water inlet end 13 of the shell 1 and the defor...
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