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Water cut-off pump

A technology of water pump and pump head, applied in pump control, liquid variable capacity machinery, machine/engine, etc., can solve the problems of high cost, complicated installation, low reliability of waterway control, etc., and achieve the effect of convenient operation and low cost

Inactive Publication Date: 2011-07-06
吴瑞昌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use of water cut-off solenoid valves for waterway control is costly and complicated to install. There are lines and pipelines coexisting, and restricted by the unique structure of the water cutoff solenoid valve, its reliability for waterway control is not high.

Method used

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Examples

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Embodiment

[0016] Such as figure 1 and figure 2 As shown, the present invention includes a pump head body 102, a water baffle 103, and a gland 105 connected by screws 104, and the water baffle 103, the pump head body 102, and the gland 105 of the present invention can also be fastened by several screw connection. A sealing ring 111 and a sealing ring 2 121 are connected between the pump head body 102 and the baffle plate 103. The pump head body 102 has a water inlet chamber 114 and a high pressure chamber 113, and a water inlet chamber 114 and a high pressure chamber 113 are provided with Isolation sleeve 115. The pump head body 102 is also provided with a source water port 101 and a water outlet 112 , the source water port 101 is connected to the water inlet chamber 114 , and the water outlet 112 is connected to the high pressure chamber 113 . The connection channel between the source water port 101 and the water inlet chamber 114 is provided with a source water chamber 116 and a no...

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Abstract

The invention discloses a water cut-off pump. The water cut-off pump comprises a pump head body (102), wherein a water inlet cavity (114) and a high pressure cavity (113) are formed in the pump head body (102); the pump head body (102) is provided with a source water opening (101) and a water outlet (112); a source water cavity (116) and a normal pressure cavity (109) are formed on a communication channel of the source water opening (101) and the water inlet cavity (114); and the pump head body (102) is connected with a water baffle plate (103) connected with a gland (105). The water cut-off pump further comprises a water sealing component, wherein the water sealing component comprises a sealing diaphragm (107) of which the periphery is fixed between the water baffle plate (103) and the gland (105) in a sealed manner. By adopting the structure, the water cut-off pump has low cost, is convenient to mount, and can control a waterway without the need of a water cut-off electromagnetic valve.

Description

technical field [0001] The invention relates to a water pump, in particular to a water cut-off pump. Background technique [0002] In the existing household pure water machine system, a booster pump and a water cutoff solenoid valve are usually equipped to pressurize the system and cut off the water when the system is shut down. However, using the water cut-off solenoid valve for waterway control is costly, complicated to install, and there are lines and pipelines coexisting, and is restricted by the unique structure of the water cutoff solenoid valve, so its reliability for waterway control is not high. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a water cut-off pump that can automatically cut off the water channel entering the pure water machine system when the water pump is shut down. [0004] The purpose of the present invention is mainly achieved through the following technical s...

Claims

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Application Information

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IPC IPC(8): F04B49/00
Inventor 吴瑞昌
Owner 吴瑞昌
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