阅读说明：本技术 一种降噪效果好的阀组件 (Valve assembly with good noise reduction effect ) 是由 何永水 何泽淼 张永涛 于 2020-12-29 设计创作，主要内容包括：本发明涉及一种降噪效果好的阀组件,包括固定在补偿腔内壁的导流窗构件,所述导流窗构件侧壁上设有用于引导并限制介质流量的第二开口,所述阀塞沿导流窗构件内壁移动,所述阀塞与第二开口的错位移动实现入口通道、第二开口以及出口通道的通断以及实现介质流量大小的控制。利用将导流窗构件与阀塞分离设置,并将导流窗构件固定在补偿腔内,阀塞移动时,导流窗构件是固定的,只需要阀塞与导流窗构件之间的缝隙实现对整个阀组件的通断以及流量控制,缩小了阀塞的体积,降低了阀组件工作时的噪音。(The invention relates to a valve assembly with good noise reduction effect, which comprises a flow guide window component fixed on the inner wall of a compensation cavity, wherein a second opening for guiding and limiting medium flow is arranged on the side wall of the flow guide window component, a valve plug moves along the inner wall of the flow guide window component, and the valve plug and the second opening move in a staggered mode to realize the on-off of an inlet channel, the second opening and an outlet channel and the control of the medium flow. The utilization sets up water conservancy diversion window component and valve plug separation to fix the water conservancy diversion window component in compensating the intracavity, when the valve plug removed, the water conservancy diversion window component was fixed, only needs the gap realization between valve plug and the water conservancy diversion window component to whole valve module's break-make and flow control, has reduced the volume of valve plug, has reduced the noise of valve module during operation.)

1. A noise reducing valve assembly comprising:

the valve body is internally provided with an inlet channel, an outlet channel and a compensation cavity which can be communicated with the inlet channel and the outlet channel, the upper end of the valve body is provided with a first opening, and a valve rod is arranged in the first opening;

a valve plug disposed in the compensation chamber of the valve body, the valve plug having an end portion and a sidewall, the end portion of the valve plug having a through-hole disposed therein, the valve plug being movable in a longitudinal direction of the compensation chamber between an open position and a closed position;

the device is characterized by further comprising a flow guide window component fixed on the inner wall of the compensation cavity, wherein a second opening used for guiding and limiting medium flow is formed in the side wall of the flow guide window component, the valve plug moves along the inner wall of the flow guide window component, and the valve plug and the second opening are displaced to realize the on-off of the inlet channel, the second opening and the outlet channel and realize the control of the medium flow.

2. The valve assembly with good noise reduction effect according to claim 1, wherein the inner wall of the valve body is provided with a sealing inner surrounding edge for limiting and fixing the flow guide window component, and the upper end of the flow guide window component is provided with a third sealing annular table matched with the sealing inner surrounding edge.

3. The valve assembly with good noise reduction effect of claim 1, wherein a first sealing groove is formed in one side, close to the inner wall of the valve body, of the flow guide window component, and a first sealing ring is arranged in the first sealing groove.

4. The valve assembly with the good noise reduction effect as claimed in claim 1, wherein the inner wall of the diversion window component is provided with a second sealing ring-shaped platform, the inner wall of the valve body is provided with a ring-shaped clamping groove below the diversion window component, a clamping ring is embedded in the ring-shaped clamping groove, a sleeve is clamped between the clamping ring and the second sealing ring-shaped platform, a ring-shaped bearing platform for mounting the diversion window component is arranged on the periphery of the sleeve, and the valve plug is arranged in the sleeve and slides along the inner wall of the sleeve.

5. The valve assembly with the good noise reduction effect of claim 4, wherein a fifth sealing groove is formed in one side, close to the valve plug, of the inner wall of the sleeve, and a fourth sealing ring is arranged in the fifth sealing groove.

6. The valve assembly with good noise reduction effect of claim 4, wherein a fourth sealing groove is formed in one side, close to the valve plug, of the inner wall of the sleeve.

7. The valve assembly with the good noise reduction effect of claim 4, wherein a third sealing groove is formed in one side, close to the inner wall of the valve body, of the sleeve, and a fifth sealing ring is arranged in the third sealing groove.

8. The valve assembly with good noise reduction effect as claimed in claim 1, wherein the outer wall of the upper end of the valve plug is provided with a first sealing annular table, the inner wall of the flow guiding window member is provided with a fourth sealing annular table for preventing the valve plug from moving, and after the first sealing annular table of the valve plug moves to the fourth sealing annular table, the valve plug is in a closed state.

Technical Field

The invention relates to a valve assembly, in particular to a valve assembly with a good noise reduction effect.

Background

Many different pressure differential compensating regulator valve assemblies or balanced regulator valve assemblies, simply balanced valves, are currently available on the market, and among many balanced valves, double seat valves have found wide application because they better balance and compensate for forces exerted on the valve plug. However, the valve assembly has a relatively high noise when operating, and most of the noise sources are caused by the overlarge volume of the valve plug, which causes great noise when gas is transmitted, and affects the noise requirement when the device operates, so that it is urgently needed to develop a valve assembly with a good noise reduction effect to solve the problems in the prior art.

Disclosure of Invention

The present invention is directed to a valve assembly with good noise reduction effect, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a noise reducing valve assembly comprising:

the valve body is internally provided with an inlet channel, an outlet channel and a compensation cavity which can be communicated with the inlet channel and the outlet channel, the upper end of the valve body is provided with a first opening, and a valve rod is arranged in the first opening;

a valve plug disposed in the compensation chamber of the valve body, the valve plug having an end portion and a sidewall, the end portion of the valve plug having a through-hole disposed therein, the valve plug being movable in a longitudinal direction of the compensation chamber between an open position and a closed position;

the valve plug moves along the inner wall of the flow guide window component, and the valve plug and the dislocation of the second opening move to realize the on-off of the inlet channel, the second opening and the outlet channel and realize the control of the medium flow.

Preferably, the inner wall of the valve body is provided with a sealed inner surrounding edge for limiting and fixing the diversion window component, and the upper end of the diversion window component is provided with a third sealed annular table matched with the sealed inner surrounding edge.

Preferably, one side of the diversion window component close to the inner wall of the valve body is provided with a first sealing groove, and a first sealing ring is arranged in the first sealing groove.

Preferably, water conservancy diversion window component inner wall is equipped with the sealed annular platform of second, the valve body inner wall just is located the below of water conservancy diversion window component and is equipped with ring groove, it has the rand to inlay in the ring groove, the joint has the sleeve between the sealed annular platform of rand and second, telescopic periphery is equipped with the annular plummer that supplies the installation of water conservancy diversion window component, the valve plug sets up in the sleeve and slides along the sleeve inner wall.

Preferably, one side of the inner wall of the sleeve, which is close to the valve plug, is provided with a fifth sealing groove, and a fourth sealing ring is arranged in the fifth sealing groove.

Preferably, a fourth sealing groove is formed in one side, close to the valve plug, of the inner wall of the sleeve.

Preferably, one side of the sleeve, which is close to the inner wall of the valve body, is provided with a third sealing groove, and a fifth sealing ring is arranged in the third sealing groove.

Preferably, the outer wall of the upper end of the valve plug is provided with a first sealing annular table, the inner wall of the flow guide window component is provided with a fourth sealing annular table for preventing the valve plug from moving, and when the first sealing annular table of the valve plug moves to the fourth sealing annular table, the valve plug is in a closed state.

Compared with the prior art, the invention has the beneficial effects that:

1. when the valve assembly is used, the diversion window component and the valve plug are arranged in a separated mode, the diversion window component is fixed in the compensation cavity, when the valve plug moves, the diversion window component is fixed, the on-off and flow control of the whole valve assembly are achieved only through a gap between the valve plug and the diversion window component, the size of the valve plug is reduced, and the noise generated when the valve assembly works is reduced.

2. Through establish at the valve body inner wall and carry out spacing fixed sealed inside edge to the water conservancy diversion window component, the sealed annular platform of third of surrounding edge complex in establishing and sealed in the upper end of water conservancy diversion window component, so when the valve plug closed condition, can utilize the sealed between valve body and the water conservancy diversion window component, and realized spacing fixed to the water conservancy diversion window component.

3. Through establish first seal groove in one side that the water conservancy diversion window component is close to the valve body inner wall, establish first sealing washer in the first seal groove, so improved the leakproofness between water conservancy diversion window component and the valve body, and then effectively improved the leakproofness when valve module uses.

4. Through establishing the sealed annular platform of second at water conservancy diversion window component inner wall, the annular slot is established to the below that the valve body inner wall just is located the water conservancy diversion window component, it has the rand to inlay in the annular slot, the joint has the sleeve between rand and the sealed annular platform of second, the annular plummer that supplies the installation of water conservancy diversion window component is established to telescopic periphery, the valve plug sets up in the sleeve and slides along the sleeve, so utilize the sleeve to realize the support to the water conservancy diversion window component, and the sleeve can supply the valve plug activity, the second opening on valve plug and the water conservancy diversion window component has realized flow control and valve module's transmission break-make, and the water conservancy diversion window component is fixed, the sleeve is also fixed, only the valve plug is the motion, this volume that has just reduced the valve plug, the noise that the valve plug produced in the valve module use has been reduced, and then.

5. Establish the fifth seal groove through the one side that is close to the valve plug at the sleeve inner wall, establish the fourth sealing washer in the fifth seal groove, so can realize sealed between sleeve and the valve plug, when having guaranteed the valve plug motion and the leakproofness between the sleeve, and then effectively improved the leakproofness when valve module uses.

6. The fourth sealing groove is formed in the side, close to the valve plug, of the inner wall of the sleeve, so that the sealing performance of the valve assembly can be further improved.

7. Through establish the third seal groove at the sleeve one side that is close to the valve body, establish the fifth sealing washer in the third sealed wiping, so can realize the sealed between sleeve and the valve body, leakproofness when having improved the valve module use.

8. The first sealing annular platform that the upper end outer wall of valve plug set up, when the valve plug was in closed position, fourth sealing annular platform formed sealed effect between this moment and the first sealing annular platform, and still played the prevention to the valve plug continuation motion.

Drawings

FIG. 1 is a perspective 3/4 cross-sectional view of a high noise reduction valve assembly according to the present invention;

FIG. 2 is an exploded view of the components of the noise reducing valve assembly of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is an enlarged view of a portion of FIG. 1 at B;

fig. 5 is a partially enlarged schematic view of C in fig. 1.

In the figure: 1. a valve body; 2. a valve stem; 3. a first opening; 4. an inlet channel; 5. an outlet channel; 6. a compensation chamber; 7. a lower opening; 8. a valve plug; 9. a flange plate; 10. sealing the inner surrounding edge; 11. an end portion; 12. a through hole; 13. a first sealing ring land; 14. a flow guide window member; 15. a first seal groove; 16. a second opening; 17. a first seal ring; 18. a third sealing ring land; 19. a fourth sealing ring land; 20. a second sealing ring land; 21. a sleeve; 22. a third seal groove; 23. a fifth seal ring; 24. a fourth seal groove; 25. a fifth seal groove; 26. a fourth seal ring; 27. an annular bearing table; 28. a collar; 29. an annular neck; 30. a side wall.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, in an embodiment of the present invention, a valve assembly with good noise reduction effect includes:

a valve body 1, be formed with inlet channel 4, outlet channel 5 in the valve body 1 and can with the compensation chamber 6 of inlet channel 4 and outlet channel 5 intercommunication, 1 upper end of valve body is equipped with first opening 3, be equipped with valve rod 2 in the first opening 3, the ring flange 9 of the lower part of valve body 1 can be pulled down, exposes lower part opening 7.

A valve plug 8 disposed in the compensation chamber 6 of the valve body 1, the valve plug 8 having an end portion 11 and a sidewall 30, the end portion 11 of the valve plug 8 being provided with a through hole 12, the valve plug 8 being movable between an open position and a closed position in a longitudinal direction of the compensation chamber 6.

The valve assembly with the good noise reduction effect further comprises a flow guide window component 14 fixed on the inner wall of the compensation cavity 6, a second opening 16 used for guiding and limiting medium flow is arranged on the side wall of the flow guide window component 14, the valve plug 8 moves along the inner wall of the flow guide window component 14, and the valve plug 8 and the second opening 16 are displaced to realize the on-off of the inlet channel 4, the second opening 16 and the outlet channel 5 and the control of the medium flow. During the use, utilize and set up water conservancy diversion window component 14 and valve plug 8 separation to fix water conservancy diversion window component 14 in compensating chamber 6, when valve plug 8 removed, water conservancy diversion window component 14 was fixed, only needs the gap realization between valve plug 8 and the water conservancy diversion window component 14 to whole valve module break-make and flow control, has reduced the volume of valve plug 8, has reduced the noise of valve module during operation.

In this embodiment, the inner wall of the valve body 1 is provided with a sealing inner surrounding edge 10 for limiting and fixing the diversion window component 14, and the upper end of the diversion window component 14 is provided with a third sealing annular table 18 matched with the sealing inner surrounding edge 10. Through establish at the valve body 1 inner wall and carry out spacing fixed sealed inside edge 10 to water conservancy diversion window component 14, the upper end of water conservancy diversion window component 14 is established with sealed inside edge 10 complex third sealed annular platform 18, so when the valve plug 8 closed condition, can utilize the sealed between valve body 1 and the water conservancy diversion window component 14, and realized the spacing fixed to water conservancy diversion window component 14.

In this embodiment, a first sealing groove 15 is formed in one side of the diversion window component 14 close to the inner wall of the valve body 1, and a first sealing ring 17 is arranged in the first sealing groove 15. Through establish first seal groove 15 in the one side that is close to valve body 1 inner wall at water conservancy diversion window component 14, establish first sealing washer 17 in the first seal groove 15, so improved the leakproofness between water conservancy diversion window component 14 and the valve body 1, and then effectively improved the leakproofness when valve module spare uses.

In this embodiment, the sealed annular platform of water conservancy diversion window component 14 inner wall is equipped with the sealed annular platform of second 20, the below that the valve body 1 inner wall just is located water conservancy diversion window component 14 is equipped with ring groove 29, it has rand 28 to inlay in the ring groove 29, the joint has sleeve 21 between rand 28 and the sealed annular platform of second 20, the periphery of sleeve 21 is equipped with the annular plummer 27 that supplies water conservancy diversion window component 14 to install, valve plug 8 sets up in sleeve 21 and slides along sleeve 21 inner wall. The inner wall of the diversion window component 14 is provided with the second sealing annular platform 20, the inner wall of the valve body 1 and the lower part of the diversion window component 14 are provided with the annular clamping groove 29, the clamping ring 28 is embedded in the annular clamping groove 29, the sleeve 21 is clamped between the clamping ring 28 and the second sealing annular platform 20, the periphery of the sleeve 21 is provided with the annular bearing platform 27 for installing the diversion window component 14, the valve plug 8 is arranged in the sleeve 21 and slides along the sleeve 21, thus the sleeve 21 is utilized to realize the support of the diversion window component 14, and the sleeve 21 can be used for moving the valve plug 8, the valve plug 8 and the second opening 16 on the flow guide window component 14 realize flow control and the transmission on-off of the valve component, and the louver member 14 is fixed, the sleeve 21 is also fixed, only the valve plug 8 is moved, this has just reduced the volume of valve plug 8, has reduced the noise that valve plug 8 produced in the valve module use, and then has effectively reduced the noise when valve module uses.

In this embodiment, a fifth sealing groove 25 is formed in a side of the inner wall of the sleeve 21 close to the valve plug 8, and a fourth sealing ring 26 is disposed in the fifth sealing groove 25. Establish fifth seal groove 25 through being close to one side of valve plug 8 at sleeve 21 inner wall, establish fourth sealing washer 26 in the fifth seal groove 25, so can realize the sealed between sleeve 21 and the valve plug 8, when having guaranteed the motion of valve plug 8 and the leakproofness between the sleeve 21, and then effectively improved the leakproofness when valve module uses.

In this embodiment, a fourth sealing groove 24 is formed on a side of the inner wall of the sleeve 21 close to the valve plug 8. The sealing of the valve assembly is further improved by providing a fourth sealing groove 24 on the side of the inner wall of the sleeve 21 adjacent to the valve plug 8.

In this embodiment, a third sealing groove 22 is formed in one side of the sleeve 21 close to the inner wall of the valve body 1, and a fifth sealing ring 23 is arranged in the third sealing groove 22. Through establish third seal groove 22 at the sleeve 21 one side that is close to valve body 1, establish fifth sealing washer 23 in the third sealed wipe, so can realize the sealed between sleeve 21 and the valve body 1, the leakproofness when having improved the valve module use.

In this embodiment, the outer wall of the upper end of the valve plug 8 is provided with a first sealing annular table 13, the inner wall of the flow guiding window member 14 is provided with a fourth sealing annular table 19 for preventing the valve plug 8 from moving, and after the first sealing annular table 13 of the valve plug 8 moves to the fourth sealing annular table 19, the valve plug 8 is in a closed state. The first sealing annular table 13 is arranged on the outer wall of the upper end of the valve plug 8, and when the valve plug 8 is in the closed position, the fourth sealing annular table 19 and the first sealing annular table 13 form a sealing function at the moment, and also play a role in preventing the valve plug 8 from moving continuously.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.