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Valve buffer device

A buffer device and valve technology, which is applied in the field of valves, can solve the problems of affecting the normal use of valves, reducing the service life of valves, and unreliable performance, so as to achieve reliable performance, prevent direct impact, and facilitate control

Pending Publication Date: 2018-11-23
DEYANG DIXINJIA VALVE MFR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during the reversing process of the valve, the spool in the direction of the liquid inlet will be impacted by the high-pressure liquid, which will easily damage the spool by the impact for a long time, the reversing will not be smooth, and the performance will be unreliable. Service life of the valve

Method used

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  • Valve buffer device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as figure 1 As shown, the valve buffer device includes a valve body 1, and the valve body 1 is provided with a valve core 2, a valve seat 7 and a valve stem 8, and the valve stem 8 is connected to the valve core 2, and the valve core 2 and the valve seat 7 corresponding to the inner cavity, the valve seat 7 is provided with an elastic mold 9 and a roller 3 in turn from left to right, the elastic mold 9 is covered with a plurality of through holes 10, and the roller 3 is evenly distributed There are a plurality of impellers 10, the inner wall of the valve seat 7 is provided with a roller 11, the roller 11 is connected to the valve seat 7 through a shaft, the torsion spring 6 is directly connected to the roller 11 and the valve seat 7, A rocker 5 is arranged on the roller 11 .

[0025] The direction of the arrow in the drawing is the direction in which the liquid enters the valve body 1. After the liquid enters the valve body 1, it first impacts on the elastic mold ...

Embodiment 2

[0027] Such as figure 1 As shown, the valve buffer device includes a valve body 1, and the valve body 1 is provided with a valve core 2, a valve seat 7 and a valve stem 8, and the valve stem 8 is connected to the valve core 2, and the valve core 2 and the valve seat 7 corresponding to the inner cavity, the valve seat 7 is provided with an elastic mold 9 and a roller 3 in turn from left to right, the elastic mold 9 is covered with a plurality of through holes 10, and the roller 3 is evenly distributed There are a plurality of impellers 10, the inner wall of the valve seat 7 is provided with a roller 11, the roller 11 is connected to the valve seat 7 through a shaft, the torsion spring 6 is directly connected to the roller 11 and the valve seat 7, A rocker 5 is arranged on the roller 11 .

[0028] The through holes 9 are curved and wavy holes.

[0029] The rocking bar 5 is in an inclined state, and the top is an arc structure.

[0030] The direction of the arrow in the drawin...

Embodiment 3

[0035] Such as figure 1 As shown, the valve buffer device includes a valve body 1, and the valve body 1 is provided with a valve core 2, a valve seat 7 and a valve stem 8, and the valve stem 8 is connected to the valve core 2, and the valve core 2 and the valve seat 7 corresponding to the inner cavity, the valve seat 7 is provided with an elastic mold 9 and a roller 3 in turn from left to right, the elastic mold 9 is covered with a plurality of through holes 10, and the roller 3 is evenly distributed There are a plurality of impellers 10, the inner wall of the valve seat 7 is provided with a roller 11, the roller 11 is connected to the valve seat 7 through a shaft, the torsion spring 6 is directly connected to the roller 11 and the valve seat 7, A rocker 5 is arranged on the roller 11 .

[0036] The through holes 9 are curved and wavy holes.

[0037] The rocking bar 5 is in an inclined state, and the top is an arc structure.

[0038] The upper and lower inner sides of the v...

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Abstract

The invention relates to a valve buffer device. The valve buffer device comprises a valve body, wherein a valve element, a valve seat and a valve rod are arranged in the valve body, the valve rod is connected with the valve element, the valve element corresponds to an inner cavity of the valve seat, an elastic die and a roller are arranged in the valve seat in sequence from left to right, a plurality of through holes are formed in the elastic die, a plurality of impellers are uniformly distributed on the roller, a rolling shaft is arranged on the inner wall of the valve seat, the rolling shaftis connected to the valve seat by virtue of a shaft, a torsion spring is directly connected to the rolling shaft and the valve seat, and a rocking rod is arranged on the rolling shaft. Through the elasticity of the elastic die and the impact of the impellers arranged on the roller on liquid, when liquid enters the valve seat, the liquid impacts on the impellers and pushes the impellers to rotate,a blocking effect is achieved on the rotation of the impellers by virtue of the rocking rod, so that the rotating speed of the impellers is reduced, and the third-stage buffer is performed on the impact of the liquid, so that direct impact of high-pressure liquid in a liquid inlet of the valve body on the valve element is prevented, the reversing is smooth, and the performance is reliable.

Description

technical field [0001] The invention relates to the technical field of valves, in particular to a valve buffer device. Background technique [0002] A valve is a device used to control the direction, pressure, and flow of a fluid in a fluid system. Valves make or stop the flow of media in piping and equipment and can control its flow. The valve is a control component in the fluid delivery system, which has functions such as cut-off, adjustment, flow diversion, reverse flow prevention, pressure stabilization, flow diversion or overflow pressure relief. Valves used in fluid control systems range from the simplest cut-off valves to various valves used in extremely complex automatic control systems, with a wide variety of varieties and specifications. Valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. [0003] The patent number is CN201720096317.9, and the applicat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K47/02F16K5/06F16K5/08
CPCF16K5/06F16K5/08F16K47/023
Inventor 黄斌李红帅袁泓杉
Owner DEYANG DIXINJIA VALVE MFR
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