Multi-functional valve structure
A multi-function, valve technology, applied in the valve shell structure, multi-port valve, lift valve and other directions, can solve the problems of difficult recombination of valve functions, less functions of valve sets, large installation volume, etc., and achieve high flow rate and manufacturing cost. Low, reduced thickness effect
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Embodiment 1
[0045] Such as Figure 1-3Shown, a valve structure, including valve body 2, valve cover 3, diaphragm 1; said diaphragm 1 is installed in the cavity of valve body 2, and the diaphragm of diaphragm 1 is sandwiched in valve cover 3 and valve body 2 spaces, so that a control chamber 30 is formed between the diaphragm 1 and the valve cover 3; the spring for pushing the diaphragm 1 to move can be equipped with a disc spring on the diaphragm 1 or a coil spring between the diaphragm 1 and the valve cover 3, Make the valve 1 cut off the water inlet 10 and the water outlet 20 . The working principle of this embodiment is: when water is injected into the control chamber 30 and the water inlet 10, due to the effect of water pressure and the pressure of the spring on the diaphragm 1, the diaphragm 1 is closed; when the water pressure is less than the elastic force of the spring When a fire occurs, the water outlet 20 will release pressure. Since the control chamber 30 can be set to commun...
Embodiment 2
[0047] Such as Figure 1-8 As shown, a multifunctional valve structure includes: a valve body 2, a valve cover 3, a valve seat 4, and a diaphragm 1;
[0048] The valve body 2 is provided with an accommodating chamber, the accommodating chamber includes a water inlet 10, a water outlet 20, and a water flow hole 23 for connecting the water inlet 10 and the water outlet 20; the water flow hole 23 is embedded with a valve seat 4; the valve body 2 is provided with an early warning channel 22;
[0049] The valve 1 is arranged in the accommodation cavity, and is used to control the switch of the water flow hole 23;
[0050] The bottom of the flap 1 is provided with a sealing ring 13, and the sealing ring 13 abuts with the valve seat 4 to form a seal to realize the closing of the water flow hole 23; or the sealing ring 13 is separated from the valve seat 4, so that the water flow hole 23 Open;
[0051] The upper surface of the valve seat 4 is a sealing surface, that is, the contact...
Embodiment 3
[0055] Such as Figure 1-11 A drip valve 7 includes: a housing 71, a base 72, a return spring 73, and a seal 74; the housing 71 is a hollow tubular structure; the bottom of the housing 71 is fixedly connected to the base 72, and the housing 71 The upper part of the valve communicates with the valve to be detected; the specific housing 71 communicates with the inner chamber 24; the base 72 includes a collection tank 721 for collecting dripping water; one end of the return spring 73 is fixedly connected with the base 72, and the other end Abut against the sealing member 74; a first gap 742 is provided between the sealing member 74 and the housing 71; a second gap 741 is provided between the sealing member 74 and the top of the collection tank 721; the collection tank 721 and the outside world The collection groove 721, the second gap 741, and the first gap are communicated in turn 742; the seal 74 can move toward the collection groove 721 and close the second gap 741 under the f...
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