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Pressurizing sealing type glasses valve

A glasses valve, sealing technology, applied in sliding valve, valve details, valve device and other directions, can solve the problems of poor sealing performance, short service life, high production cost, achieve zero seal wear and long service life, and simplify the production process , the effect of reducing production costs

Active Publication Date: 2013-07-17
QIDONG CHUANGLYU GREENING ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of spectacle valve has complex structure, high production cost, large driving force, easy fracture and damage of Bowen tube, short service life, poor sealing performance, easy leakage and other defects.

Method used

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  • Pressurizing sealing type glasses valve
  • Pressurizing sealing type glasses valve
  • Pressurizing sealing type glasses valve

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Such as figure 1 , 2 As shown in and 5, the pressurized and sealed glasses valve of the present invention includes a left valve body 1, a right valve body 2, a valve plate 3 and a cylinder 4, and the valve plate 3 is placed between the left valve body 1 and the right valve body 2, The cylinder 4 is movably connected to the outside of the right valve body 2, the piston rod 5 of the cylinder 4 is movably connected to the connecting fork 6, the connecting fork 6 is movably connected to the opening and closing rod 7, and the opening and closing rod 7 is set on the left valve body 1 and the right valve body On the upper support plate 8 of 2, the upper support plate 8 of the left valve body 1 and the right valve body 2 and the upper support plate 9 of the lower support plate are all fixed with a connecting fixture, and the connecting fixture is a connecting rod 10, and the left valve body 1 and the A connecting rod 10 is fixed on the upper supporting plate 8 of the right val...

Embodiment 2

[0024] Such as image 3 , 4 As shown in and 5, the pressurized valve plate sealing mechanism of the present invention is a flange pressurized sealing mechanism, and the flange pressurized sealing mechanism includes a sealing flange 19, a pressure plate 16 and a sealing ring 15. There is a pressure plate 16, the upper and lower ends of the pressure plate 16 are fixedly connected with the sealing flange 19, the sealing ring 15 is fixed between the pressure plate 16 and the sealing flange 19, the middle part of the pressure plate 16 has a sealing port 17, and the sealing method on both sides of the valve plate 3 All have gas charging hole 18 on the blue 19, and gas charging hole 18 one ends are connected with air source, and gas charging hole 18 other ends communicate with sealing ring 15 middle parts. All the other structures are with embodiment 1.

[0025] The use method of the valve of the present invention:

[0026] Method 1: When the valve is in the open or closed state, ...

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PUM

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Abstract

The invention relates to a pressurizing sealing type glasses valve, which comprises a left valve body, a right valve body, a valve plate and a cylinder. The valve plate is placed between the left valve body and the right valve body, and the cylinder is movably connected to the outside of the right valve body. The pressurizing sealing type glasses valve is characterized in that a piston rod of thecylinder is movably connected with a connecting fork, the connecting fork is movably connected with a start and stop lever, the start and stop lever is sleeved on upper supporting plates of the left valve body and the right valve body, the upper supporting plates and lower supporting plates of the left valve body and the right valve body are fixed with connection fixing devices, the start and stop lever is fixedly sleeved on the valve plate, the upper supporting plate of the left valve body is further fixed with a valve plate positioning mechanism, and a pressurizing type valve plate sealing mechanism is disposed among the valve plate, the left valve body and the right valve body, and is a valve plate pressurizing type sealing mechanism or a flange pressurizing type sealing mechanism. Thepressurizing sealing type glasses valve has the advantages of simple structure, low cost, small driving force, reliability in sealing, zero abrasion of sealing and long service life.

Description

technical field [0001] The invention relates to a valve technology and belongs to the technical field of valve machinery. Background technique [0002] There is a spectacle valve used on gas pipelines such as gas. When the valve is opened and closed, the seal adopts a flat compression type soft seal structure, that is, V-shaped ring grooves are made on the two planes of the sealing valve plate, and V-shaped ring grooves are embedded in the grooves. Rubber sealing ring, when the valve is closed, through the valve clamping device, the flange on the right side of the left valve body is driven to move to the right, so that the two flanges of the left and right valve body tightly press the V-shaped rubber sealing ring on the valve plate , The sealing ring is pressurized to realize the closed sealing of the valve. When the valve is opened, closed and sealed, the left valve body flange is pulled to the left through the valve release device, so that the left and right valve body fl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K3/10F16K31/122
Inventor 陈忠达钱耀明陆振康
Owner QIDONG CHUANGLYU GREENING ENG CO LTD