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Water flow server sensitive in control

A server and water technology, applied in valve devices, mechanical equipment, engine components, etc., can solve problems such as loud noise, inability to open, dripping, etc., to achieve low noise, avoid water dripping, and good linearity.

Active Publication Date: 2017-05-31
NINGBO FOTILE KITCHEN WARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, most of the existing water volume servos have problems such as high noise and poor linearity of the water volume adjustment rod during work, and most of the water volume servo structures do not have the function of completely closing the water volume, and dripping occurs after shutdown; or in order to avoid dripping, The valve is closed too tightly, resulting in excessive opening torque after turning on again, or failure to open, etc., affecting normal use functions

Method used

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Embodiment Construction

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0023] Such as Figure 1 to Figure 7 As shown, the sensitive water volume servo includes:

[0024] The valve body 1 is the shell of the entire switch, and its side wall is provided with a water inlet hole 11, and its lower end is a water outlet hole 12; the water outlet hole 12 is provided with a flow guide sleeve 7, and the flow guide sleeve is set along the direction of water flow. The aperture of 7 gradually decreases, and the inner hole of the guide sleeve 7 is tapered in this embodiment. A convex step 14 is provided above the guide sleeve 7 on the wall of the valve chamber 13 . The water flow type turbine 6 is arranged in the water inlet hole 11 .

[0025] The valve stem 2 is arranged in the valve chamber 13, connected with a servo motor (not shown in the figure), and moves up and down in the valve chamber 13 driven by the servo motor....

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Abstract

The invention relates to a water flow server sensitive in control. The water flow server sensitive in control comprises a valve body. A valve rod is arranged in a valve cavity of the valve body. The valve body is provided with a water inlet hole and a water outlet hole, wherein the water inlet hole is located in the side wall, and the water outlet hole is located in the lower portion. A servo motor is connected with the valve rod in a drive manner. The lower end of the valve rod is provided with a valve element used for closing the water outlet hole. The water flow server sensitive in control is characterized in that the middle portion of the valve element is provided with a big-end-up step hole, the valve rod is arranged in the step hole in a penetrating manner, a gap exists between the valve rod and the inner wall of the step hole, the valve gap communicates with the valve cavity, the valve rod is sequentially provided with an upper limiting piece, a seal piece used for sealing the lower section of the step hole and a lower limiting piece from top to bottom, the valve element is located between the upper limiting piece and the lower limiting piece, the distance between the upper limiting piece and the lower limiting piece is larger than the height of the valve element, the outer diameter of the seal piece is smaller than the caliber of the upper section of the step hole, an elastic piece is further arranged in the valve cavity, and the upper end and the lower end of the elastic piece abut against the top wall of the valve cavity and the valve element correspondingly.

Description

technical field [0001] The invention relates to a water volume server, in particular to a sensitively controlled water volume server. Background technique [0002] The existing water flow system is usually equipped with a water volume servo mechanism, especially for gas water heaters. The water volume servo can automatically adjust the water inlet flow according to the changes in the outlet hot water temperature, water pressure, air pressure and inlet water temperature, and truly realize water, Air double adjustment to ensure the precise and constant outlet water temperature. [0003] However, most of the existing water volume servos have problems such as high noise and poor linearity of the water volume adjustment rod during work, and most of the water volume servo structures do not have the function of completely shutting down the water volume, and dripping occurs after shutdown; or in order to avoid dripping, The valve is closed too tightly, resulting in excessive openin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K1/00F16K1/32F16K1/36
CPCF16K1/00F16K1/32F16K1/36
Inventor 金晶梁稳杨开明茅忠群诸永定周高云
Owner NINGBO FOTILE KITCHEN WARE CO LTD
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