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Valve capable of being automatically closed when water is cut off and water supply system

A technology for automatic shutdown and water supply system, applied in valve details, control valves, valve devices, etc., to solve problems such as water infiltration to lower users, large amounts of drainage, waste of water resources, etc.

Pending Publication Date: 2021-08-17
傅长平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The common problem now is that some users often turn on the faucet to judge whether the water is coming when the water is cut off, but forget to turn off the faucet at this time, so when the water comes in, it will cause a lot of drainage. On the one hand, it will cause waste of water resources. On the one hand, it is very easy to cause water to penetrate to the lower layer of users

Method used

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  • Valve capable of being automatically closed when water is cut off and water supply system
  • Valve capable of being automatically closed when water is cut off and water supply system
  • Valve capable of being automatically closed when water is cut off and water supply system

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Embodiment Construction

[0030] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0031] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways than described here. Therefore, the protection scope of the present invention is not limited by the specific implementation disclosed below. Example limitations.

[0032] Refer below Figure 1 to Figure 3 The automatic shut-off valve and the water supply system provided according to some embodiments of the present invention will be described.

[0033] Such as figure ...

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Abstract

The invention provides a valve capable of being automatically closed when water is cut off and a water supply system. The valve capable of being automatically closed when water is cut off comprises an upper valve body, a lower valve body, a precipitation cup, a water inlet, a water outlet, a piston assembly and a spring assembly; a piston cavity is formed in the upper valve body, a pressure relief hole and a pressure-in hole are formed in the piston cavity; the lower valve body is arranged on the upper valve body, and a first cavity and a second cavity are formed in the lower valve body; the precipitation cup is respectively connected with the pressure-in hole and the second cavity; the water inlet is formed in the lower valve body and communicates with the second cavity; the water outlet is formed in the lower valve body and communicates with the first cavity; the piston assembly penetrates through the piston cavity, penetrates through the first cavity and extends into the second cavity; and the spring assembly is screwed with the piston assembly and is arranged on the upper valve body. Through the driving force of water flow on the piston assembly in the second cavity and the upward acting force of the spring assembly on the piston assembly, it is ensured that the piston assembly seals the first cavity, and the automatic water closing function is achieved.

Description

technical field [0001] The invention relates to the technical field of valves, in particular to an automatic shut-off valve and a water supply system when water is cut off. Background technique [0002] Valves are pipeline accessories used to open and close pipelines, control flow direction, adjust and control the parameters (temperature, pressure and flow) of the conveying medium. According to its function, it can be divided into shut-off valve, check valve, regulating valve and so on. [0003] The common problem now is that some users often turn on the faucet to judge whether the water is coming in when the water is cut off, but forget to turn off the faucet at this time, so when the water comes in, it will cause a lot of drainage. On the one hand, it will cause waste of water resources. On the one hand, it is very easy to cause water to infiltrate to the lower floor users. Contents of the invention [0004] The present invention aims to solve at least one of the techn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K21/04F16K15/00F16K31/122
CPCF16K15/00F16K21/04F16K31/1221
Inventor 傅长平
Owner 傅长平
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