CN221443363U

CN221443363U - Electric cage type regulating valve

Info

Publication number: CN221443363U
Application number: CN202323009116.5U
Authority: CN
Inventors: 胡宝; 项启源
Original assignee: Zhejiang Zhanxude Automation Control Valve Co ltd
Current assignee: Zhejiang Zhanxude Automation Control Valve Co ltd
Priority date: 2023-11-08
Filing date: 2023-11-08
Publication date: 2024-07-30
Anticipated expiration: 2033-11-08

Abstract

The utility model relates to the technical field of valves, in particular to an electric cage type regulating valve which comprises a valve body, wherein a valve seat is arranged in the middle of the valve body, a valve core assembly is arranged in the valve seat, a valve cover is arranged at the top of the valve body, an actuator is arranged at the top of the valve cover, an output shaft of the actuator penetrates through the valve cover and is connected with the valve core assembly, and a filling area is arranged at the top of the valve cover, close to the output shaft of the actuator. In this electronic cage governing valve, through setting up first packing in packing district bottom to set up at first packing upper portion and push down the cover, push down cover upper portion and set up the second packing again, last at last push down cover top installation gland, this kind of structure can improve packing district's sealing performance effectively, reduces fluid medium's leakage amount, through first metal winding pad, second metal winding pad, and the valve seat top epitaxy is close to valve gap department and install third metal winding pad, can strengthen the wearability and the corrosion resistance of governing valve, thereby prolong its life.

Description

Electric cage type regulating valve

Technical Field

The utility model relates to the technical field of valves, in particular to an electric cage type regulating valve.

Background

In industrial automation control systems, regulating valves are widely used as an important control element in regulating and controlling systems for various fluids (e.g., gases, liquids, slurries, etc.). The performance and accuracy of the regulator valve directly affects the stability and reliability of the overall control system. Thus, for a particular application scenario, the selection of the appropriate regulator valve and its components is critical to achieving precise control. An electric cage type regulating valve is an advanced regulating valve, and accurate control of fluid media is achieved by driving a valve core assembly through an electric actuator. The regulating valve has the advantages of high response speed, high control precision, long service life and the like, and is widely applied to various industrial fields.

However, while electrically operated cage valves have many advantages, they still present some problems during use. For example, the sealing performance of the valve body directly affects the leakage amount and sealing effect of the regulator valve. If the sealing performance of the valve body is poor, fluid medium leakage can be caused, the control precision is affected, and even safety accidents can be caused when the control precision is serious. In addition, the structure and component configuration of the packing region can also affect the overall performance and service life of the regulator valve.

Disclosure of utility model

The utility model aims to provide an electric cage type regulating valve, which aims to solve the problem that the sealing performance of a valve body provided in the background art directly influences the leakage quantity and the sealing effect of the regulating valve. If the sealing performance of the valve body is poor, fluid medium leakage can be caused, the control precision is affected, and even safety accidents can be caused when the control precision is serious.

In order to achieve the above purpose, the utility model provides an electric cage type regulating valve which comprises a valve body, wherein a valve seat is arranged in the middle of the valve body, a valve core component is arranged in the valve seat, a valve cover is arranged at the top of the valve body, an actuator is arranged at the top of the valve cover, an output shaft of the actuator penetrates through the valve cover and is connected with the valve core component, and a filling area is arranged at the top of the valve cover, close to the output shaft of the actuator.

Preferably, a first metal winding pad is installed between the bottom of the valve seat and the inner wall of the valve body.

Preferably, a second metal winding pad is arranged on the top extension of the valve seat close to the valve body.

Preferably, a third metal winding pad is arranged on the top extension of the valve seat close to the valve cover.

Preferably, the valve cover is mounted on the top of the valve body through a valve cover mounting bolt and a valve cover mounting nut.

Preferably, the bottommost part of the packing area comprises a first packing, a pressing sleeve is arranged on the upper part of the first packing, a second packing is arranged on the upper part of the pressing sleeve, an upper pressing sleeve is arranged on the upper part of the second packing, and a packing gland is arranged on the top of the upper pressing sleeve.

Preferably, the packing gland is mounted on the top of the packing area of the valve cover through an inner hexagon bolt.

Preferably, the shell of the actuator is arranged at the top of the valve cover through an actuator mounting bolt and an actuator mounting nut, and a limiting nut is arranged at the position, close to the packing gland, of the output shaft of the actuator.

Compared with the prior art, the utility model has the beneficial effects that:

in this electronic cage governing valve, through setting up first packing in packing district bottom to set up down the cover on first packing upper portion, set up the second packing on pressing cover upper portion down again, last at last press cover top installation gland, this kind of structure can improve packing district's sealing performance effectively, reduce fluid medium's leakage amount, through installing first metal winding pad between disk seat bottom and valve body inner wall, install the second metal winding pad near the valve body department at disk seat top extension, and install the third metal winding pad near the valve gap department at disk seat top extension, can strengthen the wearability and the corrosion resistance of governing valve, thereby prolong its life.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged partial schematic view of the present utility model at A in FIG. 1;

Fig. 3 is an enlarged partial schematic view of the present utility model at B in fig. 1.

The meaning of each reference sign in the figure is:

1. A valve body; 2. a first metal wrap pad; 3. a valve seat; 4. a valve core assembly; 5. a second metal wrap pad; 6. a third metal wrap pad; 7. installing a bolt on the valve cover; 8. a valve cover is provided with a nut; 9. a valve cover; 10. a first filler; 11. pressing down the sleeve; 12. a second filler; 13. pressing the sleeve; 14. an actuator mounting bolt; 15. an actuator mounting nut; 16. a packing gland; 17. an inner hexagon bolt; 18. a limit nut; 19. an actuator.

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.

The utility model provides an electric cage type regulating valve, which is shown in fig. 1-3, and comprises a valve body 1, wherein a valve seat 3 is arranged in the middle of the valve body 1, a valve core component 4 is arranged in the valve seat 3, the valve seat 3 and the valve core component 4 can be matched to accurately control the opening and closing of the valve, a valve cover 9 is arranged at the top of the valve body 1, an actuator 19 is arranged at the top of the valve cover 9, an output shaft of the actuator 19 passes through the valve cover 9 and is connected with the valve core component 4, and the actuator 19 can directly drive the valve core component 4, so that the energy loss is reduced, the efficiency of the regulating valve is improved, and a filler region is arranged at the position, close to the output shaft of the actuator 19, of the top of the valve cover 9.

In this embodiment, the first metal winding pad 2 is installed between the bottom of the valve seat 3 and the inner wall of the valve body 1, so that the tightness between the valve seat 3 and the valve body 1 can be enhanced, and leakage of fluid medium can be prevented.

Specifically, the second metal winding pad 5 is mounted on the top extension of the valve seat 3 near the valve body 1, so that the wear resistance and corrosion resistance between the valve seat 3 and the valve body 1 can be enhanced, and the service life of the regulating valve can be prolonged.

Further, the third metal winding pad 6 is arranged on the top extension of the valve seat 3 close to the valve cover 9, so that the tightness between the valve seat 3 and the valve cover 9 can be enhanced, and leakage of fluid medium can be prevented.

Further, a bonnet 9 is mounted on top of the valve body 1 by a bonnet mounting bolt 7 and a bonnet mounting nut 8.

Further, the bottommost part of the packing area comprises a first packing 10, a lower pressing sleeve 11 is arranged on the upper part of the first packing 10, a second packing 12 is arranged on the upper part of the lower pressing sleeve 11, an upper pressing sleeve 13 is arranged on the upper part of the second packing 12, and a packing gland 16 is arranged on the top of the upper pressing sleeve 13, so that the sealing performance of the packing area can be effectively improved, and the leakage amount of fluid media can be reduced.

Further, the packing gland 16 is mounted on the top of the packing area of the valve cover 9 through the inner hexagon bolts 17, so that the packing gland 16 is convenient to mount and dismount.

Further, the shell of the actuator 19 is mounted on the top of the valve cover 9 through the actuator mounting bolt 14 and the actuator mounting nut 15, so that the actuator 19 can be conveniently mounted and dismounted, the maintainability and reliability of the regulating valve are improved, and the limit nut 18 is mounted on the position, close to the packing gland 16, of the output shaft of the actuator 19, so that overload of the output shaft of the actuator 19 can be prevented, the regulating valve is prevented from being damaged, and the safety of the regulating valve is enhanced.

Finally, it should be noted that, the electronic components in the actuator 19 in the present embodiment are all universal standard components or components known to those skilled in the art, the structure and principle thereof are all known by those skilled in the art through technical manuals or known by conventional experimental methods, all the electrical components are connected by wires at the idle position of the device, and the specific connection means should refer to the sequential working order among the electrical components in the working principle to complete the electrical connection, which is known in the art.

When the electric cage type regulating valve is used, the valve core assembly 4 is driven by the electric actuator 19 to realize accurate control on fluid media. The electric actuator 19 drives the valve core assembly 4 to be opened or closed through a received control signal (such as a 4-20mA signal or an ON/OFF signal), so that the adjustment of parameters such as flow rate, pressure and the like of a fluid medium is realized, the valve seat 3 and the valve core assembly 4 are arranged in the valve body 1 of the electric cage type adjusting valve, when the valve core assembly 4 is in a closed state, the fluid medium cannot pass through the adjusting valve, and when the actuator 19 receives an opening signal, the actuator drives the valve core assembly 4 to be opened, and the fluid medium starts to pass through the adjusting valve. At this time, the pressure of the fluid medium acts on the valve element assembly 4, so that the valve element assembly 4 is maintained in an open state. When the actuator 19 receives the closing signal, the actuator 19 will drive the valve core assembly 4 to close, and the fluid medium can't pass through the governing valve, and including first packing 10 in packing district bottommost, the upper portion of first packing 10 is provided with pushes down cover 11, and the upper portion of pushing down cover 11 is provided with second packing 12, and the upper portion of second packing 12 is provided with and pushes up cover 13, and the gland 16 is installed at the top of going up cover 13. The packing gland 16 is mounted on top of the packing area of the valve cap 9 by means of socket head cap bolts 17. The packing and the gland can effectively improve the sealing performance of a packing area and reduce the leakage amount of fluid medium. A first metal winding pad 2 is installed between the bottom of the valve seat 3 and the inner wall of the valve body 1, a second metal winding pad 5 is installed at the top extension of the valve seat 3 near the valve body 1, and a third metal winding pad 6 is installed at the top extension of the valve seat 3 near the valve cover 9. These metal winding gaskets can enhance the tightness, wear resistance and corrosion resistance between the valve seat 3 and the valve body 1, thereby extending the service life of the regulator valve.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an electronic cage governing valve, includes valve body (1), its characterized in that: the middle part of valve body (1) is installed disk seat (3), the inside of disk seat (3) is provided with case subassembly (4), valve gap (9) are installed at the top of valve body (1), executor (19) are installed at the top of valve gap (9), the output shaft of executor (19) passes valve gap (9) and is connected with case subassembly (4), the top of valve gap (9) is close to the output shaft department of executor (19) and is provided with the filler district.

2. The electrically operated cage control valve of claim 1 wherein: a first metal winding pad (2) is arranged between the bottom of the valve seat (3) and the inner wall of the valve body (1).

3. The electrically operated cage control valve of claim 1 wherein: a second metal winding pad (5) is arranged on the top of the valve seat (3) and is extended to be close to the valve body (1).

4. The electrically operated cage control valve of claim 1 wherein: a third metal winding pad (6) is arranged on the top extension of the valve seat (3) close to the valve cover (9).

5. The electrically operated cage control valve of claim 1 wherein: the valve cover (9) is arranged at the top of the valve body (1) through a valve cover mounting bolt (7) and a valve cover mounting nut (8).

6. The electrically operated cage control valve of claim 1 wherein: the bottommost part of the packing area comprises a first packing (10), a pressing sleeve (11) is arranged on the upper part of the first packing (10), a second packing (12) is arranged on the upper part of the pressing sleeve (11), an upper pressing sleeve (13) is arranged on the upper part of the second packing (12), and a packing gland (16) is arranged at the top of the upper pressing sleeve (13).

7. The electrically operated cage check valve of claim 6 wherein: the packing gland (16) is arranged at the top of a packing area of the valve cover (9) through an inner hexagon bolt (17).

8. The electrically operated cage check valve of claim 6 wherein: the shell of the actuator (19) is arranged at the top of the valve cover (9) through an actuator mounting bolt (14) and an actuator mounting nut (15), and a limiting nut (18) is arranged at the position, close to the packing gland (16), of an output shaft of the actuator (19).