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Water supply pipeline throttle opening indication device

A throttle valve opening and indicating device technology, which is applied in the direction of valve devices, engine components, mechanical equipment, etc., can solve the problems of opening changes, inaccurate judgment, and easy to be accidentally touched by the throttle valve opening, etc. The effect of convenience and simple structure

Inactive Publication Date: 2020-06-19
山东文登抽水蓄能有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The opening of the throttle valve is easily touched by mistake, resulting in changes in the opening. When the water flow is low, it is impossible to accurately judge whether the low flow is caused by the change of the throttle valve opening or other reasons.

Method used

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  • Water supply pipeline throttle opening indication device

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Effect test

Embodiment Construction

[0010] The present invention will be described below in conjunction with the accompanying drawings and embodiments.

[0011] As shown in the accompanying drawings, a water supply pipeline throttle valve opening indicator device includes a valve body 1, which is characterized in that the valve body 1 is provided with an opening indicator device, which includes a bracket 7 and a pointer 8. The rotary shaft 10 of the valve body 1 is provided with an opening scale concave line 9 and an opening concave number line 11 in an axial linear array. The opening scale concave line 9 is ring-shaped and circles around the rotary shaft. 7. The lower end is fixedly connected to the valve body 1, and the upper end side is fixedly connected to the pointer 8. The needle tip of the pointer 8 is opposite to the rotation axis. Through the opening scale concave line and the opening concave number line corresponding to the pointer, the valve body can be known. of the opening.

[0012] During the use ...

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Abstract

The invention discloses a water supply pipeline throttle opening indication device. The indication device comprises a valve body, wherein a hand wheel is arranged on an output shaft at the upper end of the valve body. The indication device is characterized in that an anti-rotation device is arranged on the hand wheel and comprises an anti-rotation sleeve, rolling balls and buffer springs, whereinan anti-rotation track is arranged on the periphery of the hand wheel in the circumferential direction, the outer portion of the hand wheel is sleeved with the anti-rotation sleeve, and blind holes are formed in the circumference of the inner wall of the anti-rotation sleeve at intervals; and the blind holes are internally provided with the buffer springs and the rolling balls, the rolling balls are in rolling connection with the anti-rotation track under the action of the buffer springs, when the anti-rotation sleeve on the outer portion of a handle on a throttle valve is touched, the anti-rotation sleeve rotates in the circumferential direction of the anti-rotation track under the action of the rolling balls, so that the situation that an external object or a person touches the handle tocause the opening degree to change is avoided. Due to the adoption of the structure described above, the indication device has the advantages of being simple in structure, avoiding false rotation ofthe throttle valve and the like.

Description

technical field [0001] The invention relates to the technical field of water supply systems, in particular to an indication device for the opening degree of a throttle valve of a water supply pipeline. Background technique [0002] At present, the throttle body has no opening indication, and the flow meter on the water supply pipeline reflects the opening of the throttle valve. The opening of the throttle valve is easily touched by mistake, causing the opening to change. When the water flow rate is low, it is impossible to accurately judge whether the flow is caused by the change of the throttle valve opening or other reasons. Contents of the invention [0003] The purpose of the present invention is to solve the deficiencies of the prior art, and provide a water supply pipeline throttling valve opening indicating device with simple structure and convenient inspection. [0004] The technical solution adopted by the present invention to solve its technical problems is: ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K37/00
CPCF16K37/0016
Inventor 姚志伟李永林王鹏
Owner 山东文登抽水蓄能有限公司
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