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Gate valve with novel structure

A new structure and gate valve technology, applied in the direction of sliding valves, valve details, valve devices, etc., can solve the problems of single matching, difficult gate replacement and installation, etc.

Pending Publication Date: 2022-03-18
XUANDA IND GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing gate valves include a gate valve with a flat gate on one side and a wedge gate on the other. However, the gate of the general gate valve is often matched with the gate valve, and it is difficult to replace and install the gate after it is damaged.

Method used

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Embodiment Construction

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0022] A gate valve with a new structure, comprising a valve body 1, the valve body 1 is provided with a bonnet 11, the valve body 1 is provided with a valve stem 2, and the upper end of the valve stem 2 is connected with a hand wheel 21, The end of the valve stem 2 is connected with a gate, and the gate is in sealing fit with the valve seat in the valve body 1. The gate 3 includes a flat gate 31 and a wedge gate 32. The flat gate 3 There is a floating ...

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Abstract

A gate valve of a novel structure comprises a valve body, a valve cover is arranged on the valve body, a valve rod is arranged in the valve body, the upper end of the valve rod is connected with a hand wheel, the tail end of the valve rod is connected with a gate plate, the gate plate is in sealing fit with a valve seat in the valve body, the gate plate comprises a flat gate plate and a wedge gate plate, the flat gate plate and the wedge gate plate are in floating connection, and a floating adjusting gap exists between the flat gate plate and the wedge gate plate. A plurality of adjusting screws are arranged on the wedge gate plate in the circumferential direction, and the adjusting screws are arranged between the flat gate plate and the wedge gate plate to control the floating adjusting gap so as to adjust the inclination, the position degree and the machining precision between the flat gate plate and the wedge gate plate, so that the matching relation between different gate valves and gate plates is adapted; the flashboard can be replaced and installed after being damaged, and the flashboard has universal interchangeability.

Description

technical field [0001] The invention relates to the technical field of valves, in particular to a gate valve with a new structure. Background technique [0002] The slab gate valve is a sliding valve whose closing parts are parallel gates. The closing part can be a single ram or a double ram with a stretching mechanism in between. The pressing force of the gate to the valve seat is controlled by the medium pressure acting on the floating gate or the floating valve seat. Existing gate valves include a gate valve with a flat gate plate on one side and a wedge gate plate on the other. However, the gate plate of the general gate valve is often single-matched with the gate valve, and it is difficult to replace and install the gate plate after it is damaged. Contents of the invention [0003] In order to solve the technical defects in the prior art, the invention provides a gate valve with a new structure. [0004] The technical solution adopted in the present invention is: a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K3/12F16K3/314F16K31/60
CPCF16K3/0272F16K3/12F16K3/314F16K31/60
Inventor 粟德唐张献王强谢健军刘昌灯
Owner XUANDA IND GRP
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