CN220749239U - Drain valve of pressure container - Google Patents

Abstract

The present application relates to the technical field of drain valves, and discloses a pressure vessel drain valve. In the present application, a fixed support structure is added to a pressure vessel drain valve, a connecting column fixes a bottom column and a protective ring together, the protective ring is a carrier of the fixed structure, and the protective ring also has a protective function, and the height of the screw can be adjusted by turning the knob nut to hold the support block against the ground; the fixed support structure can increase the stability of the drain valve, prevent accidental displacement or shaking during use, which helps to maintain the normal working state of the drain valve and ensure that it can effectively discharge the medium; the fixed support structure can help disperse the weight and pressure on the drain valve, reduce the pressure and wear on key components, which can extend the life of the drain valve and reduce the risk of leakage due to looseness or deformation.

Description

A pressure vessel drain valve

Technical Field

The present application belongs to the technical field of drain valves, and specifically relates to a drain valve for a pressure vessel.

Background technique

A pressure vessel drain valve is a device used to control and regulate the discharge of liquid or gas inside a pressure vessel. It is usually installed at the bottom or side of the pressure vessel and achieves drainage or pressure relief by opening or closing the valve.

For example, the publication number: CN113357391A discloses a pressure vessel drain valve and a pressure vessel assembly, the pressure vessel drain valve includes a valve body, a valve core and an elastic member arranged on the valve body, a valve cavity is formed inside the valve body, a water inlet and a water outlet are provided on the valve body, the valve core is slidably arranged in the valve cavity along the axial direction of the valve core, the two ends of the valve core are respectively a first movable end and a second movable end, the water inlet also leads to the first movable end, the elastic member keeps the valve core in the conduction position through elastic force, the gas entering the water inlet can pressurize the first movable end to move the valve core toward the second movable end to the cut-off position; when the valve core is in the cut-off position, the water inlet and the water outlet are isolated from each other by the valve core, and when the valve core is in the conduction position, the water inlet and the water outlet are connected to each other, the pressure vessel drain valve cannot be adjusted under high pressure, and can be forced to open only under low pressure, and can also be used as an additional part of automatic control, and its safety, reliability and flexibility are excellent.

However, the drain valve in this application does not have an additional fixing device. During subsequent use, the excessive discharge pressure of the pressure vessel may cause excessive pressure and wear on key components of the drain valve, thereby reducing the service life of the drain valve and increasing the cost of subsequent replacement and maintenance.

Utility Model Content

The purpose of the present application is to provide a pressure vessel drain valve in order to solve the problem of the protective drain valve mentioned above.

The technical solution adopted in the present application is as follows: a pressure vessel drain valve, comprising a bottom column, a plurality of connecting columns are fixedly connected around the outer surface of the bottom column, a protective ring is fixedly connected to one end of the connecting column relative to the bottom column, a through hole formed in the surface of the protective ring is threadedly connected to a screw, a nut is fixedly connected to the upper end of the screw, and a support block is fixedly connected to the end of the screw relative to the nut.

By adopting the above technical solution, a fixed support structure is added to a pressure vessel drain valve, the connecting column fixes the bottom column and the protective ring together, the protective ring is the carrier of the fixed structure, and the protective ring also has a protective function, the height of the screw can be adjusted by turning the knob nut to hold the support block against the ground; the fixed support structure can increase the stability of the drain valve and prevent accidental displacement or shaking during use, which helps to maintain the normal working state of the drain valve and ensure that it can effectively discharge the medium; the fixed support structure can help disperse the weight and pressure on the drain valve, reduce the pressure and wear on key components, which can extend the life of the drain valve and reduce the risk of leakage due to looseness or deformation; through the fixed support structure, the position and installation method of the drain valve are more stable, providing more convenient maintenance and operating conditions, for example, when cleaning, repairing and inspecting the drain valve, key components can be more easily accessed and handled; the fixed support structure can increase the overall stability and reliability of the drain valve, thereby improving the safety of the system, it can reduce the possibility of accidental failure, leakage or damage, and maximize the protection of personnel and equipment safety.

In a preferred embodiment, one end of the base column is fixedly connected to a connecting rod, and one end of the connecting rod relative to the base column is fixedly connected to a connecting block.

By adopting the above technical solution, the connecting rod connects the base column and the connecting block, and the connecting rod can be used to transfer liquid; the connecting block connects the connecting rod, the closed leather ring and the main threaded connector, and the connecting block can prevent excessive water pressure from damaging the pipeline.

In a preferred embodiment, a closed leather ring is provided at the inner groove of one end of the connection block relative to the connection rod, and a main threaded connector is fixedly connected to one end of the connection block relative to the base column.

By adopting the above technical solution, the closed leather ring is an important component structure in the transport connecting pipeline. The closed leather ring is used to form an effective seal to prevent the medium from leaking or penetrating when the drain valve is in use; the thread on the main threaded connector is used to connect with the pressure vessel thread, which can ensure that it can be easily disassembled when inspection and maintenance are required.

In a preferred embodiment, a water outlet pipe is fixedly connected to one end of the base column relative to the connecting rod, a switch valve is provided at the upper end of the water outlet pipe, and a water outlet is fixedly connected to one end of the water outlet pipe relative to the base column.

By adopting the above technical solution, the outlet pipe connects the switch valve and the water outlet, and provides a channel for the discharge of the medium; the switch valve can be used to control the switch of the water outlet, and the operator can control the drainage flow by turning the knob switch valve; the water outlet is used to discharge the medium.

In a preferred embodiment, a drainage pipe is fixedly connected to the lower end of the base column, and a through hole formed on the lower end surface of the drainage pipe is threadedly connected to a secondary threaded connector.

By adopting the above technical solution, the drain pipe is connected to the base column and the auxiliary threaded connector, and the lower end of the drain pipe is a through hole with a thread that can be used for threaded connection with the auxiliary threaded connector; the auxiliary threaded connector connects the drain pipe and the protective plate, and the thread on the upper end of the auxiliary threaded connector can be connected to the threaded through hole at the lower end of the drain pipe, which is convenient for subsequent operators to install and disassemble.

In a preferred embodiment, the secondary threaded connector is fixedly connected to a protective plate relative to one end of the drain pipe, and a leak-proof leather ring is provided at the groove at the upper end of the protective plate.

By adopting the above technical solution, the carrier part of the connection in the protective plate drainage pipe structure can be fixedly connected with a leak-proof leather ring and a secondary threaded connector at the upper end; the leak-proof leather ring can provide good sealing performance to ensure that the valve will not leak when in use.

In a preferred embodiment, a telescopic water pipe is fixedly connected to one end of the protective plate relative to the secondary threaded connector.

By adopting the above technical solution, the telescopic water pipe is used as a connecting device to connect the drain valve with the external discharge structure; and it can guide the medium from the drain valve to the external environment through the telescopic design to achieve the discharge function.

In a preferred embodiment, one end of the telescopic water pipe relative to the protective plate is threadedly connected to a drain faucet, and a rotary valve is provided at the upper end of the drain faucet.

By adopting the above technical solution, the drain faucet is the main carrier part in the drain head structure, which is connected to the telescopic water pipe and the rotating valve, and the drain hole at the front end can be used to discharge the medium; the operator can control the amount of drainage by turning the valve by turning the knob.

In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

In the present application, a fixed support structure is added to a pressure vessel drain valve, and the connecting column fixes the bottom column and the protective ring together. The protective ring is the carrier of the fixed structure, and the protective ring also has a protective function. The height of the screw can be adjusted by turning the knob nut to hold the support block against the ground; the fixed support structure can increase the stability of the drain valve and prevent accidental displacement or shaking during use, which helps to maintain the normal working state of the drain valve and ensure that it can effectively discharge the medium; the fixed support structure can help disperse the weight and pressure on the drain valve and reduce the pressure and wear on key components, which can extend the life of the drain valve and reduce the risk of leakage due to looseness or deformation; through the fixed support structure, the position and installation method of the drain valve are more stable, providing more convenient maintenance and operating conditions, for example, when cleaning, repairing and inspecting the drain valve, key components can be more easily accessed and handled; the fixed support structure can increase the overall stability and reliability of the drain valve, thereby improving the safety of the system. It can reduce the possibility of accidental failure, leakage or damage, and maximize the protection of personnel and equipment safety.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the overall structure of the present application;

FIG2 is a schematic diagram of a fixed support structure of the present application;

FIG3 is a schematic diagram of the main structure of the present application;

FIG. 4 is a schematic diagram of the drainage pipe structure of the present application.

Markings in the figure: 1. Base column; 2. Connecting column; 3. Protective ring; 4. Screw; 5. Nut; 6. Support block; 7. Connecting rod; 8. Connecting block; 9. Closed leather ring; 10. Main threaded connector; 11. Water outlet pipe; 12. Switch valve; 13. Water outlet; 14. Drain pipe; 15. Secondary threaded connector; 16. Protective plate; 17. Leak-proof leather ring; 18. Telescopic water pipe; 19. Drain faucet; 20. Turn the valve.

Detailed ways

In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

Refer to Figures 1-4,

Example:

Referring to Figures 1-2, a plurality of connecting columns 2 are fixedly connected to the outer surface of the base column 1, a protective ring 3 is fixedly connected to one end of the connecting column 2 relative to the base column 1, a screw 4 is threadedly connected to a through hole opened in the surface of the protective ring 3, a nut 5 is fixedly connected to the upper end of the screw 4, and a support block 6 is fixedly connected to the end of the screw 4 relative to the nut 5. A fixed support structure is added to a pressure vessel drain valve, and a connecting column 2 fixes a bottom column 1 and a protective ring 3 together. The protective ring 3 is a carrier of the fixed structure, and the protective ring 3 also has a protective function. The height of the screw 4 can be adjusted by turning the knob nut 5 to hold the support block 6 against the ground; the fixed support structure can increase the stability of the drain valve and prevent accidental displacement or shaking during use, which helps to maintain the normal working state of the drain valve and ensure that it can effectively discharge the medium; the fixed support structure can help disperse the weight and pressure on the drain valve and reduce the pressure and wear on key components, which can extend the life of the drain valve and reduce the risk of leakage due to looseness or deformation; through the fixed support structure, the position and installation method of the drain valve are more stable, providing more convenient maintenance and operating conditions, for example, when cleaning, repairing and inspecting the drain valve, key components can be more easily accessed and handled; the fixed support structure can increase the overall stability and reliability of the drain valve, thereby improving the safety of the system, and it can reduce the possibility of accidental failure, leakage or damage, and maximize the protection of personnel and equipment safety.

3, one end of the bottom column 1 is fixedly connected with a connecting rod 7, and one end of the connecting rod 7 relative to the bottom column 1 is fixedly connected with a connecting block 8. The connecting rod 7 connects the bottom column 1 and the connecting block 8, and the connecting rod 7 can be used to transfer liquid; the connecting block 8 connects the connecting rod 7, the closed leather ring 9 and the main threaded connector 10, and the connecting block 8 can prevent excessive water pressure from damaging the pipeline.

Referring to Fig. 3, a closed leather ring 9 is provided at the inner groove of one end of the connection block 8 relative to the connection rod 7, and a main thread connector 10 is fixedly connected to one end of the connection block 8 relative to the base column 1. The closed leather ring 9 is an important component structure in the transport connection pipeline, and the closed leather ring 9 is used to form an effective seal to prevent leakage or penetration of the medium when the drain valve is used; the thread on the main thread connector 10 is used for threaded connection with the pressure vessel, which can ensure that it can be easily disassembled when inspection and maintenance are required.

1, a water outlet pipe 11 is fixedly connected to one end of the bottom column 1 relative to the connecting rod 7, a switch valve 12 is provided at the upper end of the water outlet pipe 11, and a water outlet 13 is fixedly connected to one end of the water outlet pipe 11 relative to the bottom column 1. The water outlet pipe 11 connects the switch valve 12 and the water outlet 13, and provides a channel for the discharge of the medium; the switch valve 12 can be used to control the switch of the water outlet 13, and the operator can control the flow rate of the drainage by turning the knob switch valve 12; the water outlet 13 is used to discharge the medium.

Referring to 3-4, the lower end of the bottom column 1 is fixedly connected with a drain pipe 14, and the through hole opened on the lower end surface of the drain pipe 14 is threadedly connected with a secondary threaded connector 15. The drain pipe 14 connects the bottom column 1 and the secondary threaded connector 15, and the lower end of the drain pipe 14 is a through hole with threads that can be used for threaded connection with the secondary threaded connector 15; the secondary threaded connector 15 connects the drain pipe 14 and the protective plate 16, and the threads at the upper end of the secondary threaded connector 15 can be connected with the threaded through hole at the lower end of the drain pipe 14, which is convenient for subsequent installation and disassembly by operators.

4, the secondary threaded connector 15 is fixedly connected to a protective plate 16 at one end of the drain pipe 14, and a leakproof leather ring 17 is provided at the groove at the upper end of the protective plate 16. The protective plate 16 is the carrier part of the connection in the drain pipe structure, and the upper end can be fixedly connected to the leakproof leather ring 17 and the secondary threaded connector 15; the leakproof leather ring 17 can provide good sealing performance to ensure that the valve will not leak when in use.

4, a telescopic water pipe 18 is fixedly connected to one end of the protective plate 16 relative to the secondary threaded connector 15. The telescopic water pipe 18 is a connection device that connects the drain valve to the external discharge structure; and it can guide the medium from the drain valve to the external environment through a telescopic design to achieve a discharge function.

4, a drain tap 19 is threadedly connected to one end of the telescopic water pipe 18 relative to the protective plate 16, and a rotary valve 20 is arranged on the upper end of the drain tap 19. The drain tap 19 is the main carrier part of the drainage head structure, which connects the telescopic water pipe 18 and the rotary valve 20, and the drainage hole at the front end thereof can be used to discharge the medium; the operator can control the drainage amount by turning the valve 20 through the knob.

The implementation principle of a pressure vessel drain valve embodiment of the present application is:

A fixed support structure is added to a pressure vessel drain valve, and a connecting column 2 fixes a bottom column 1 and a protective ring 3 together. The protective ring 3 is a carrier of the fixed structure, and the protective ring 3 also has a protective function. The height of the screw 4 can be adjusted by turning the knob nut 5 to hold the support block 6 against the ground; the fixed support structure can increase the stability of the drain valve and prevent accidental displacement or shaking during use, which helps to maintain the normal working state of the drain valve and ensure that it can effectively discharge the medium; the fixed support structure can help disperse the weight and pressure on the drain valve and reduce the pressure and wear on key components, which can extend the life of the drain valve and reduce the risk of leakage due to looseness or deformation; through the fixed support structure, the position and installation method of the drain valve are more stable, providing more convenient maintenance and operating conditions, for example, when cleaning, repairing and inspecting the drain valve, key components can be more easily accessed and handled; the fixed support structure can increase the overall stability and reliability of the drain valve, thereby improving the safety of the system, and it can reduce the possibility of accidental failure, leakage or damage, and maximize the protection of personnel and equipment safety.

The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, a person of ordinary skill in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims (8)

1. A pressure vessel drain valve, comprising a bottom column (1), characterized in that: a plurality of connecting columns (2) are fixedly connected around the outer surface of the bottom column (1), a protective ring (3) is fixedly connected to one end of the connecting column (2) relative to the bottom column (1), a screw (4) is threadedly connected to a through hole provided on the surface of the protective ring (3), a nut (5) is fixedly connected to the upper end of the screw (4), and a support block (6) is fixedly connected to one end of the screw (4) relative to the nut (5). 2. A pressure vessel drain valve as described in claim 1, characterized in that: one end of the base column (1) is fixedly connected to a connecting rod (7), and one end of the connecting rod (7) is fixedly connected to a connecting block (8) relative to the base column (1). 3. A pressure vessel drain valve as described in claim 2, characterized in that: a closed leather ring (9) is provided at the inner groove of one end of the connecting block (8) relative to the connecting rod (7), and a main threaded connector (10) is fixedly connected to one end of the connecting block (8) relative to the bottom column (1). 4. A pressure vessel drain valve as described in claim 1, characterized in that: one end of the bottom column (1) relative to the connecting rod (7) is fixedly connected to a water outlet pipe (11), an on-off valve (12) is provided at the upper end of the water outlet pipe (11), and one end of the water outlet pipe (11) relative to the bottom column (1) is fixedly connected to a water outlet (13). 5. A pressure vessel drain valve as described in claim 1, characterized in that: a drain pipe (14) is fixedly connected to the lower end of the base column (1), and a through hole opened on the lower end surface of the drain pipe (14) is threadedly connected to a secondary threaded connector (15). 6. A pressure vessel drain valve as described in claim 5, characterized in that: the secondary threaded connector (15) is fixedly connected to a protective plate (16) relative to one end of the drain pipe (14), and a leak-proof leather ring (17) is provided at the groove at the upper end of the protective plate (16). 7. A pressure vessel drain valve as claimed in claim 6, characterized in that a telescopic water pipe (18) is fixedly connected to one end of the protective plate (16) relative to the secondary threaded connector (15). 8. A pressure vessel drain valve as described in claim 7, characterized in that: one end of the telescopic water pipe (18) relative to the protective plate (16) is threadedly connected to a drain faucet (19), and a rotating valve (20) is provided at the upper end of the drain faucet (19).