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Novel flow regulating brake valve

A new type of flow regulation technology, applied in the direction of sliding valve, valve device, engine components, etc., can solve the problems of wasting time, not getting flow, and changing the range of flow, etc., to avoid repeated operations, save time, and save time. Effect

Inactive Publication Date: 2015-04-08
JIANGSU GUOQUAN PUMP MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When conducting pump tests, the working conditions of the pump at multiple specific flow points are required. The traditional gate valve can control most of the required flow points, but it is difficult to control the traditional gate valve when the flow is small. The range of variation is large, and often requires repeated adjustments, which wastes time and often fails to obtain the required flow

Method used

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  • Novel flow regulating brake valve
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Embodiment Construction

[0013] figure 1 It is a structural schematic diagram of a new type of flow regulating gate valve of the present invention, mainly including a fine-tuning handwheel (1), a fine-tuning valve stem (2), a stem nut (3), a coarse-tuning handwheel (4), and a coarse-tuning valve stem ( 5), packing pressure plate (6), packing (7), valve cover (8), gate (9), valve body (10) and other structures.

[0014] Coarsely adjust the flow rate or when the flow rate is required to be fully open or fully closed, turn the coarse adjustment handwheel (4) to move the coarse adjustment valve stem (5) up and down, which can realize rapid flow changes and save time; when the flow rate is finely adjusted, turn the fine adjustment handwheel (1), hold the coarse adjustment handwheel (4) at the same time, and make the fine adjustment valve stem (2) move up and down slightly, so as to realize the fine adjustment of the flow rate and save time.

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Abstract

The invention provides a novel flow regulating brake valve. The novel flow regulating brake valve mainly comprises a fine tuning hand wheel (1), a fine tuning valve rod (2), a valve rod nut (3), a coarse tuning hand wheel (4), a coarse tuning valve rod (5), a filling pressing plate (6), filler (7), a valve cover (8), a brake plate (9), a valve body (10). The novel flow regulating brake valve is characterized in that the external diameter of the coarse tuning valve rod (5) is larger, the external thread pitch is larger, when the coarse tuning hand wheel (4) is rotated to a certain angle, the flow change is larger, and the flow coarse tuning is realized; the diameter of the fine tuning valve rod (2) is smaller, the thread pitch is smaller, when the fine tuning hand wheel (1) is rotated to the same angle, the flow change is smaller, and the flow fine tuning is realized; the fine tuning valve rod (2) is in threaded connection with the coarse tuning valve rod (5); the fine tuning hand wheel (1) moves up and down along the fine tuning valve rod (2) while rotating, and the fine tuning hand wheel (1) is detachable.

Description

technical field [0001] The invention relates to the field of valves, in particular to a novel flow regulating gate valve. Background technique [0002] The opening and closing part of the gate valve is the gate, and the movement direction of the gate is perpendicular to the direction of the fluid. It is mainly used to control the full opening and closing of the fluid. In the specific use process, it is also often used to control the flow rate. In the field of fluid machinery, especially in testing pump performance tests, gate valves are often used to control liquid flow. When conducting pump tests, the working conditions of the pump at multiple specific flow points are required. The traditional gate valve can control most of the required flow points, but it is difficult to control the traditional gate valve when the flow is small. The range of variation is large, and it often requires repeated adjustments, which wastes time and often fails to obtain the required flow. Con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K3/12
CPCF16K3/12
Inventor 朱荣生张亮亮
Owner JIANGSU GUOQUAN PUMP MFG CO LTD
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