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Safe and reliable quick cut-off brake valve

A fast shut-off and gate valve technology, which is applied in the direction of sliding valves, valve details, valve devices, etc., can solve the problems of slow opening or closing speed of gate valves, disadvantages, and inability to open or close quickly, so as to reduce pressure, improve closing and The effect of opening speed and avoiding untight closing

Pending Publication Date: 2018-12-21
ZHEJIANG ZHONGDE AUTOMATIC CONTROL VALVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The opening or closing speed of the existing gate valve is relatively slow, and it cannot be opened or closed quickly in emergency situations, which is not conducive to the handling of emergency situations

Method used

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  • Safe and reliable quick cut-off brake valve

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Embodiment Construction

[0014] refer to figure 1 , a safe and reliable quick shut-off gate valve of the present invention, comprising a gate valve main body 1, a valve stem 2, an actuator 3, a fixing frame 5, a first lifting rod 31, a second lifting rod 36, a sleeve 33, a twisting part 21, The first ring body 4, the gate valve main body 1 is provided with a valve stem 2, the valve stem 2 protrudes from the inside of the gate valve main body 1 to the outside of the gate valve main body 1, and the top of the valve stem 2 is provided with a twisting part 21, which is screwed The moving part 21 is in the shape of a hexagonal prism, and a sleeve 33 matched with the twisting part 21 is sheathed on the twisting part 21. A rotating device 32 is fixed on the top of the sleeve 33, and a first Lifting rod 31, the first lifting rod 31 is connected with the actuator 3, the actuator 3 is electrically connected with the rotating device 32, the actuator 3 is fixed with the main body 1 of the gate valve through the f...

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Abstract

The invention discloses a safe and reliable quick cut-off brake valve which comprises a brake valve main body, a valve rod, an executing mechanism, a fixing frame, a first lifting rod, a second lifting rod, a sleeve, a tightening portion and a first ring body. The brake valve main body is provided with the valve rod, the valve rod extends out of the brake valve main body from the interior, the topof the valve rod is provided with the tightening portion which is in a hexagonal prism shape, the tightening portion is sleeved with the sleeve matched with the tightening portion, a rotating deviceis fixed to the top of the sleeve, the first lifting rod is fixed to the top of the rotating device, the first lifting rod is connected with the executing mechanism, the executing mechanism is electrically connected with the rotating device, and the executing mechanism is fixed to the brake valve main body through the fixing frame. Since the first lifting rod and the second lifting rod are arranged on the executing mechanism, the valve rod can drive a brake plate in the brake valve main body to rapidly ascend or descend, and the closing and opening speed of the brake valve is improved.

Description

【Technical field】 [0001] The invention relates to the technical field of valves, in particular to the technical field of quick shut-off gate valves. 【Background technique】 [0002] A valve is a commonly used pipeline facility, which can effectively control the opening and closing of a pipeline, and a gate valve is a commonly used valve, which is mainly used to control whether a pipeline is opened or closed. The opening or closing speed of the existing gate valve is relatively slow, and cannot be quickly opened or closed in an emergency, which is not conducive to the handling of the emergency. 【Content of invention】 [0003] The purpose of the present invention is to solve the problems in the prior art, and to propose a safe and reliable quick-shut-off gate valve, which enables the gate valve to be opened or closed quickly. [0004] In order to achieve the above purpose, the present invention proposes a safe and reliable quick shut-off gate valve, which includes a gate val...

Claims

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Application Information

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IPC IPC(8): F16K3/02F16K3/314F16K31/50
CPCF16K3/02F16K3/314F16K31/50
Inventor 唐首富郑书剑张晖孔令果宋吉利
Owner ZHEJIANG ZHONGDE AUTOMATIC CONTROL VALVE
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