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Novel firefighting gate valve

A fire-fighting and gate valve technology, applied in the field of new fire-fighting gate valves, can solve the problems of inability to filter impurities, inconvenient use, waste of water resources, etc., and achieve the effect of convenient judgment.

Pending Publication Date: 2020-01-10
SUZHOU KEDI FLUID CONTROL EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the existing fire gate valve has poor sealing performance, which makes it impossible to completely seal the gate valve after it is closed, which easily causes waste of water resources, is inconvenient for people to use, reduces the practicability of the fire gate valve, and cannot filter impurities in the water, thereby It affects the sealing performance of the gate valve and also affects the service life of the gate valve

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Such as Figure 1-4 As shown, a new type of fire gate valve includes a valve body 1, a valve cover 2 is provided on the top of the valve body 1, a support column 3 is provided on the top of the valve cover 2, a screw rod 4 is provided in the inner cavity of the support column 3, and a hand lever is installed on the top of the screw rod 4. The wheel 5, the bottom of the support column 3 is provided with a sealing washer 6, the bottom of the screw rod 4 is provided with a gate 7, the top of the gate 7 is provided with a sealing block 8 matching the sealing washer 6, and the bottom of the valve body 1 is provided with a connecting pipe 9 for connecting A through hole 10 is provided between the pipe 9 and the valve body 1, and the gate plate 7 is arranged in the through hole 10, a sealing ring 11 is arranged in the through hole 10, a sealing groove 12 is arranged on the inner wall of the connecting pipe 9, and a sealing groove 12 is arranged in the sealing groove 12. There ...

Embodiment 2

[0028] Based on the first embodiment, the top of the fixed box 16 is provided with a photovoltaic panel, which can charge the battery 18 and ensure power supply to the pressure sensor 14 and the pressure display 17 .

[0029] The present invention is improved in that a pressure sensor 14 is set in the sealing groove 12 to monitor the pressure of the gate plate 7, so as to monitor the sealing performance of the gate valve, and at the same time, the filter screen 15 is used to filter the water when the water passes through the connecting pipe 9, so as to avoid water leakage in the water. The impurities in the gate valve will affect the sealing performance of the gate valve, and it can also avoid damage to the gate plate 7 and affect the use of the gate plate 7.

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Abstract

The invention relates to a novel firefighting gate valve. The novel firefighting gate valve comprises a valve body; a valve cover is arranged at the top of the valve body; a supporting column is arranged at the top of the valve cover; a screw rod is arranged in an inner cavity of the supporting column; a hand wheel is arranged at the top of the screw rod; a sealing gasket is arranged at the bottomof the supporting column; a gate plate is arranged at the bottom end of the screw rod; a sealing block matched with the sealing gasket is arranged at the top of gate plate; a connecting pipe is arranged at the bottom of the valve body; a through hole is formed between the connecting pipe and the valve body; the gate plate is arranged in the through hole; a sealing ring is arranged in the throughhole; a sealing groove is formed in the inner wall of the connecting pipe; a sealing pad is arranged in the sealing groove; a pressure sensor is arranged between the sealing pad and the sealing groove; the pressure sensor is fixed at the bottom of the sealing groove; filtering nets are symmetrically arranged on the two sides of the sealing groove; a fixed box is arranged on one side of the valve body; and the novel firefighting gate valve is simple in structure and reasonable in design, can improve the sealing property of the gate valve, can perform monitoring simultaneously and avoids waste of water resources.

Description

technical field [0001] The invention relates to a novel fire gate valve, which belongs to the technical field of valves. Background technique [0002] The opening and closing part of the fire gate valve is a gate, and the movement direction of the gate is perpendicular to the direction of the fluid. The gate valve can only be fully opened and fully closed, and cannot be adjusted or throttled. The gate has two sealing surfaces, the most commonly used is that the two sealing surfaces of the gate form a wedge, and the wedge angle varies with the valve parameters. The gate of the wedge gate valve can be made into a whole, called a rigid gate; it can also be made into a gate that can produce a small amount of deformation to improve its manufacturability and compensate for the deviation of the sealing surface angle during processing. The plate is called the elastic gate. [0003] The types of fire gate valves can be divided into wedge gate valves and parallel gate valves accordi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K3/30F16K37/00F16K27/04B01D35/04
CPCF16K3/30F16K37/0041F16K27/041B01D35/04
Inventor 田洪卫欧丹
Owner SUZHOU KEDI FLUID CONTROL EQUIP