CN219345504U

CN219345504U - Multistage noise reduction pneumatic cage type regulating valve

Info

Publication number: CN219345504U
Application number: CN202320397909.XU
Authority: CN
Inventors: 陈金城; 陈军龙
Original assignee: Dexon Tianjin Automatic Control Valve Co ltd
Current assignee: Dexon Tianjin Automatic Control Valve Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-07-14
Anticipated expiration: 2033-03-06

Abstract

The utility model discloses a multistage noise reduction pneumatic cage type regulating valve which comprises a valve body, wherein a sealing plug is penetrated and fixedly connected to the top of the valve body, a spherical cage body is arranged in the middle of the bottom of the sealing plug and positioned in the valve body, a valve seat is arranged at the bottom of the spherical cage body and penetrates and is fixedly connected with the valve body, and a valve rod penetrates and is slidably connected to the middle of the top of the sealing plug and penetrates and is slidably connected with the spherical cage body. According to the utility model, firstly, the spherical cage body is designed in a spherical shape, so that the water flow interaction area is larger, the number of horn-shaped holes is more, water flows can be dispersed and output, the impact is reduced, and then, the spherical cage body is not in hard contact with the sealing plug and the valve seat by arranging the first damping rubber pad and the second damping rubber pad at the upper end and the lower end of the spherical cage body respectively, so that the noise is reduced.

Description

Multistage noise reduction pneumatic cage type regulating valve

Technical Field

The utility model relates to the technical field of pneumatic cage type regulating valves, in particular to a multistage noise reduction pneumatic cage type regulating valve.

Background

The pneumatic cage type regulating valve is a pressure balance type regulating valve, the valve internal part adopts a sleeve-guided pilot valve core, the valve core is fast acted by mainly utilizing the pressure of fluid, and the operating force is small.

In the working process of the existing pneumatic cage type regulating valve, the fluid with high flow speed continuously impacts the inner walls of the valve core and the valve body, so that the internal structure of the valve body is easy to generate resonance, and noise is high.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a multistage noise reduction pneumatic cage type regulating valve.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a pneumatic cage governing valve that multistage was fallen, includes the valve body, the valve body top runs through and fixedly connected with sealing plug, sealing plug bottom middle part is provided with spherical cage body and spherical cage body is located the inside of valve body, spherical cage body bottom is provided with the disk seat and the disk seat runs through and with valve body fixed connection, sealing plug top middle part runs through and sliding connection has the valve rod and the valve rod runs through and with spherical cage body sliding connection, spherical cage body lower extreme fixedly connected with shutoff piece and shutoff piece are located the inboard of spherical cage body and correspond with the disk seat, the valve body top passes through bolt fixedly connected with apron, equal fixedly connected with fixed bolster in apron top left and right sides, fixedly connected with pneumatic actuating mechanism and valve rod run through and with pneumatic actuating mechanism are connected between the fixed bolster top, two equal fixedly connected with flanges in both ends about the valve body.

For further description of the above technical solution:

the left side of the spherical cage body is provided with a screen plate which penetrates through and is fixedly connected with the valve body.

For further description of the above technical solution:

the junction of spherical cage body top and sealing plug is provided with first shock attenuation rubber pad and spherical cage body fixed connection.

For further description of the above technical solution:

the junction of spherical cage bottom and disk seat is provided with second shock attenuation rubber pad and spherical cage fixed connection.

For further description of the above technical solution:

the middle part at the top of the valve seat is penetrated and provided with an arc through hole which corresponds to the plugging block.

For further description of the above technical solution:

the inner side of the fixed support is provided with a pointer, and the valve rod penetrates through and is fixedly connected with the pointer.

For further description of the above technical solution:

the middle part of the right side of the fixed bracket at the left part is fixedly connected with a graduated scale which corresponds to the pointer.

The utility model has the following beneficial effects:

according to the utility model, firstly, the spherical cage body is designed in a spherical shape, so that the water flow interaction area is larger, the number of horn-shaped holes is more, water flow can be dispersed and evenly output, impact is reduced, and then the spherical cage body is not in hard contact with the sealing plug and the valve seat by arranging the first damping rubber pad and the second damping rubber pad at the upper end and the lower end of the spherical cage body respectively, so that resonance between the spherical cage body and the sealing plug and the valve seat is improved, and noise is reduced.

Drawings

FIG. 1 is a schematic diagram of a multi-stage noise reduction pneumatic cage type regulating valve according to the present utility model;

fig. 2 is a cross-sectional view of a valve body of a multi-stage noise reduction pneumatic cage type regulating valve according to the present utility model.

Legend description:

1. a valve stem; 2. a sealing plug; 3. a first damping rubber pad; 4. a spherical cage body; 5. a block; 6. a second damping rubber pad; 7. a valve seat; 8. a valve body; 9. a pneumatic actuator; 10. a pointer; 11. a graduated scale; 12. a cover plate; 13. a flange; 14. a fixed bracket; 15. an arc-shaped through hole; 16. a screen plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-2, one embodiment provided by the present utility model is: the utility model provides a multistage pneumatic cage governing valve of making an uproar that falls, including valve body 8, valve body 8 top runs through and fixedly connected with sealing plug 2, at first, can drive valve rod 1 through the work of pneumatic actuating mechanism 9 and carry out up-and-down motion, and then can control shutoff piece 5 and carry out shutoff to shutoff piece 5 in the disk seat 7, sealing plug 2 bottom middle part is provided with spherical cage 4 and spherical cage 4 is located the inside of valve body 8, spherical cage 4 bottom is provided with disk seat 7 and disk seat 7 run through and with valve body 8 fixed connection, when flowing water flows into the inner chamber of valve body 8 through the right port of valve body 8, can enter into spherical cage 4 through the arc through-hole 15 in the disk seat 7, sealing plug 2 top middle part runs through and sliding connection has valve rod 1 and valve rod 1 runs through and with spherical cage 4 sliding connection, spherical cage 4 lower extreme fixedly connected with shutoff piece 5 and shutoff piece 5 is located the inboard of spherical cage 4 and corresponding with disk seat 7, and under the effect of shutoff piece 5 arc surface, make the even inner wall flow to spherical cage 4, the valve body 8 top has apron 12 through the right side fixedly connected with the lid 12, then the left and right side 14 of valve body 14 and the equal spherical cage 4 of the fixed connection through the arc through-shaped through-hole 15 in the valve seat 9, then the two side of the valve body 9 is connected with the fixed connection of the spherical cage 4, the equal top 13.

The spherical cage body 4 left side is provided with otter board 16 and runs through and with valve body 8 fixed connection, through carrying out spherical design to the appearance of spherical cage body 4, make rivers interactive (from spherical cage body 4 in to spherical cage body 4 outside) area bigger, and loudspeaker form hole number is more, thereby can disperse and evenly export rivers, the junction of spherical cage body 4 top and sealing plug 2 is provided with first damping rubber pad 3 and spherical cage body 4 fixed connection, through setting up first damping rubber pad 3 and second damping rubber pad 6 respectively at the upper and lower both ends of spherical cage body 4 when the running water striking reaches spherical cage body 4, the junction of spherical cage body 4 bottom and disk seat 7 is provided with second damping rubber pad 6 and spherical cage body 4 fixed connection, spherical cage body 4 can not with sealing plug 2 and disk seat 7 rigid contact, the resonance between spherical cage body 4 and sealing plug 2 and the disk seat 7 has been improved, the top middle part is run through and is provided with arc through hole 15 and is corresponding with inboard piece 5, the fixed bolster 14 is provided with pointer 10 and the corresponding scale of scale 11 and the outer diameter of scale of ball, the equal scale diameter of scale 10 is avoided, the corresponding scale of scale 11 is fixed to the outer wall of the spherical cage body 10 side diameter of the scale, the equal scale diameter of the scale is avoided, the scale diameter of the scale is fixed to be connected to the scale body 11 is avoided.

Working principle: firstly, the valve rod 1 can be driven to move up and down through the work of the pneumatic actuating mechanism 9, and then the plugging block 5 in the valve seat 7 can be controlled to plug, when flowing water flows into the inner cavity of the valve body 8 through the right port of the valve body 8, the flowing water can enter the spherical cage body 4 through the arc-shaped through holes 15 in the valve seat 7, and under the action of the arc-shaped surface of the plugging block 5, flowing water uniformly flows towards the inner wall of the spherical cage body 4, then the flowing water can overflow into the cavity outside the spherical cage body 4 through the trumpet-shaped holes on the spherical cage body 4, in the process, the spherical design is carried out through the appearance of the spherical cage body 4, the area of water interaction (from the spherical cage body 4 to the outside of the spherical cage body 4) is larger, the number of the trumpet-shaped holes is more, and accordingly the flowing water can be dispersed and uniformly output, and the first damping rubber pads 3 and the second damping rubber pads 6 are respectively arranged at the upper end and the lower end of the spherical cage body 4 when the flowing water impinges on the spherical cage body 4, the spherical cage body 4 cannot be in contact with 2 and 7, the spherical cage body 4 is prevented from flowing water can be impacted with the inner wall of the sealing plug 8, the left side of the valve seat is prevented from being in the process, the noise of the valve body is prevented from being greatly reduced, and the noise caused by the left-stable flowing water can be avoided, and the noise of the valve body is prevented from flowing water through the sealing plug 8.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a pneumatic cage governing valve that multistage was fallen, includes valve body (8), its characterized in that: the utility model provides a sealing plug, valve body (8) top runs through and fixedly connected with sealing plug (2), sealing plug (2) bottom middle part is provided with spherical cage (4) and spherical cage (4) are located the inside of valve body (8), spherical cage (4) bottom is provided with disk seat (7) and disk seat (7) run through and with valve body (8) fixed connection, sealing plug (2) top middle part runs through and sliding connection has valve rod (1) and valve rod (1) to run through and with spherical cage (4) sliding connection, spherical cage (4) lower extreme fixedly connected with shutoff piece (5) and shutoff piece (5) are located the inboard of spherical cage (4) and correspond with disk seat (7), valve body (8) top is through bolt fixedly connected with apron (12), equal fixedly connected with fixed bolster (14) in apron (12) top left and right sides, fixedly connected with pneumatic actuator (9) and valve rod (1) run through and are connected with pneumatic actuator (9) between fixed bolster (14) top, two equal fixedly connected with flange (13) of port about valve body (8).

2. The multi-stage noise reduction pneumatic cage regulator valve of claim 1, wherein: the left side of the spherical cage body (4) is provided with a screen plate (16) which penetrates through and is fixedly connected with the valve body (8).

3. The multi-stage noise reduction pneumatic cage regulator valve of claim 1, wherein: the connecting part of the top of the spherical cage body (4) and the sealing plug (2) is provided with a first damping rubber pad (3), and the first damping rubber pad (3) is fixedly connected with the spherical cage body (4).

4. The multi-stage noise reduction pneumatic cage regulator valve of claim 1, wherein: the junction of spherical cage body (4) bottom and disk seat (7) is provided with second shock pad (6) and spherical cage body (4) fixed connection.

5. The multi-stage noise reduction pneumatic cage regulator valve of claim 1, wherein: the middle part of the top of the valve seat (7) is penetrated and provided with an arc-shaped through hole (15), and the arc-shaped through hole (15) corresponds to the plugging block (5).

6. The multi-stage noise reduction pneumatic cage regulator valve of claim 1, wherein: the inner side of the fixed support (14) is provided with a pointer (10), and the valve rod (1) penetrates through and is fixedly connected with the pointer (10).

7. The multi-stage noise reduction pneumatic cage regulator valve of claim 1, wherein: the middle part of the right side of the fixed support (14) at the left part is fixedly connected with a graduated scale (11), and the graduated scale (11) corresponds to the pointer (10).