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Multi-turn valve manual driving device at position of visual valve rod

A technology of manual driving and driving device, applied in the direction of valve device, valve details, valve shell structure, etc., can solve the problem of inability to intuitively and accurately observe the working position of the valve, so as to improve dustproof and waterproof performance, improve service life and structure. Simple and reasonable effect

Inactive Publication Date: 2017-11-07
CHANGSHU YULING MECHNICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem mainly solved by the present invention is to provide a multi-turn valve manual drive device with visible valve stem position, which can solve the defect that the existing drive device cannot directly and accurately observe the position of the valve

Method used

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  • Multi-turn valve manual driving device at position of visual valve rod
  • Multi-turn valve manual driving device at position of visual valve rod

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Embodiment Construction

[0014] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be more clearly defined.

[0015] see figure 1 and figure 2 , the embodiments of the present invention include:

[0016] A manual drive device for a multi-turn valve with a visible valve stem position, comprising: a drive device housing 1 and a transparent dust cover 2 mounted on the upper end of the drive device housing 1, the drive device housing 1 is installed with Small bevel gear 3, large bevel gear 4, valve stem nut 5 and valve stem 6, the large bevel gear 4 and the small bevel gear 3 mesh with each other, and the valve stem nut 5 is installed on the large bevel gear 4 and connected with the large bevel gear 4 through an insert 7, the valve stem 6 is screwed into...

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PUM

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Abstract

The invention discloses a multi-turn valve manual driving device at the position of a visual valve rod. The multi-turn valve manual driving device comprises a driving device shell body and a transparent dust cover, wherein the transparent dust cover is mounted at the upper end of the driving device shell body; a small bevel gear, a big bevel gear, a valve rod nut and a valve rod of a valve are mounted in the driving device shell body; and the big bevel gear is engaged with the small bevel gear, the valve rod nut is mounted in the big bevel gear and connected with the big bevel gear through a bushing, the valve rod of the valve is screwed in the valve rod nut, one end of the valve rod of the valve is connected with the valve, and the other end of the valve rod of the valve can extend out of the driving device shell body and extend into the transparent dust cover. By adopting the mode, the multi-turn valve manual driving device at the position of the visual valve rod is simple and reasonable in structure, the position of the valve rod of the valve can be observed visually, further the working station where the valve is located is understood accurately and conveniently; and meanwhile, the dust cover is mounted at the upper end of the valve rod of the valve so that the dustproof and waterproof properties of the driving device can be improved, and the service life of the driving device can be prolonged.

Description

technical field [0001] The invention relates to the field of valve matching devices, in particular to a multi-turn valve manual drive device with visible valve stem position. Background technique [0002] With the continuous expansion of the application range of valves, in some working conditions that require more precise control, such as throttle valves, which do not need to be adjusted frequently, such as using electric actuators for control, the cost is extremely high. In this case, it is generally only necessary to use a manual driving device for manual operation, but the existing manual driving device cannot accurately and intuitively understand the position of the valve, thus causing inaccurate control. Contents of the invention [0003] The technical problem mainly solved by the present invention is to provide a multi-turn valve manual drive device with visible valve stem position, which can solve the defect that the existing drive device cannot directly and accur...

Claims

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Application Information

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IPC IPC(8): F16K27/08F16K37/00
CPCF16K27/08F16K37/0016
Inventor 顾云昌
Owner CHANGSHU YULING MECHNICAL