CN219888730U - Self-control flow regulating valve - Google Patents

Abstract

The utility model relates to the technical field of regulating valves, in particular to an automatic control type flow regulating valve. Its technical scheme includes valve body, outlet pipe and inlet tube, valve body inner wall is close to lower surface position department and installs the toper ring, valve body upper surface is located toper ring top position department and installs the sleeve pipe, sleeve pipe internally mounted has the nut, the inside grafting of nut has the screw rod, the one end that the screw rod is close to the valve body is connected with the valve rod, the valve rod end-to-end connection has the case, sleeve pipe internally mounted has the lift slip table, surface mounting has the rotating electrical machines on the lift slip table, rotating electrical machines output shaft end and screw rod end-to-end connection, pressure sensor is installed to top one side of valve body inner wall, surface mounting has the floating plate under the pressure sensor. The utility model can automatically adjust the flow of the valve, and has high practicability.

Description

Self-control flow regulating valve

Technical Field

The utility model relates to the technical field of regulating valves, in particular to an automatic control type flow regulating valve.

Background

In the automatic control of modern plants, control valves play a very important role, the production of these plants being dependent on the correct distribution and control of the flowing medium. These controls, whether energy exchange, pressure reduction or simple vessel charging, require some final control element to accomplish.

In the use process of the existing flow regulating valve, the valve still needs to be manually controlled to regulate the flow of the valve, so that the flow regulating valve is not convenient enough, and therefore, the self-control flow regulating valve is provided.

Disclosure of Invention

The utility model aims to provide a self-control flow regulating valve which has the advantages of capability of automatically regulating the flow of a valve and high practicability, and solves the problem that the existing flow regulating valve still needs to be manually controlled to regulate the flow of the valve in the use process, so that the valve is not convenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: including valve body, outlet pipe and inlet tube, the valve body inner wall is close to lower surface position department and installs the toper ring, valve body upper surface is located toper ring top position department and installs the sleeve pipe, sleeve pipe internally mounted has the nut, the inside grafting of nut has the screw rod, the one end that the screw rod is close to the valve body is connected with the valve rod, valve rod end-to-end connection has the case, sleeve pipe internally mounted has the lift slip table, surface mounting has the rotation motor on the lift slip table, rotation motor output shaft end and screw rod end-to-end connection, pressure sensor is installed to top one side of valve body inner wall, surface mounting has the kickboard under the pressure sensor.

Preferably, a water outlet pipe is connected to one side of the valve body, which is close to the floating plate, and a water inlet pipe is connected to the position, which is close to the lower surface, of one side, which is away from the water outlet pipe, of the valve body.

Preferably, the upper surface of the valve body is provided with a sealing ring, the sealing ring is sleeved on the outer surface of the valve rod, and the sealing ring plays a role in sealing a gap between the valve rod and the valve body.

Preferably, the sealing ring is arranged on the outer surface of the floating plate, and plays a role in sealing, so that the fluid is prevented from contacting the pressure sensor.

Preferably, the upper surface of the water inlet pipe is connected with a flow stabilizing pipe, a limiting ring is welded at the position, close to the lower surface, of the inner wall of the flow stabilizing pipe, a piston is arranged in the flow stabilizing pipe, the upper surface of the flow stabilizing pipe is connected with an air valve, compressed air is injected into the flow stabilizing pipe through the air valve, and when pressure fluctuation occurs in fluid in the water inlet pipe, the piston moves up and down in the flow stabilizing pipe to enable the compressed air in the flow stabilizing pipe to be compressed or released, so that the pressure fluctuation of the fluid in the water inlet pipe is eliminated.

Preferably, a pressure gauge is arranged on the outer surface of the flow stabilizing pipe near the upper surface, and the pressure value inside the flow stabilizing pipe is measured through the pressure gauge.

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

1. according to the utility model, through the arrangement of the floating plate, the pressure sensor, the valve core, the conical ring and the rotating motor, the effects of automatically adjusting the valve passing flow and high practicability are achieved, when the valve is used, fluid enters the valve body from the water inlet pipe and passes through a gap between the conical ring and the valve core, and finally is discharged from the water outlet pipe, the fluid in the valve body enables the floating plate to apply pressure to the pressure sensor, when the pressure value is lower than or higher than a set value range, the flow passing through the conical ring and the valve core becomes smaller or larger, the rotating motor works to drive the screw to rotate, the valve rod drives the valve core to ascend or descend, and the intermittent size between the conical ring and the valve core is adjusted to adjust the valve passing flow.

2. According to the utility model, through the arrangement of the flow stabilizing pipe, the piston, the air valve and the barometer, the pressure of fluid entering the valve body can be regulated, the pressure fluctuation of the fluid entering the valve body is eliminated, the continuous operation of the rotary motor is avoided, the effect of the rotary motor is protected, compressed gas is injected into the flow stabilizing pipe through the air valve, and when the pressure fluctuation of the fluid in the water inlet pipe occurs, the up-and-down movement of the piston in the flow stabilizing pipe can cause the compressed gas in the flow stabilizing pipe to be compressed or released, so that the pressure fluctuation of the fluid in the water inlet pipe is eliminated.

Drawings

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

FIG. 2 is a schematic view of a part of a main sectional structure of the lifting sliding table;

FIG. 3 is a schematic view of a partial main sectional structure of a pressure sensor of the present utility model;

fig. 4 is a schematic view of a partial main sectional structure of a flow stabilizing tube according to the present utility model.

Reference numerals: 1. a rotating motor; 2. lifting the sliding table; 3. a sleeve; 4. a valve body; 5. a pressure sensor; 6. a water outlet pipe; 7. a conical ring; 8. a valve core; 9. a water inlet pipe; 10. a flow stabilizing tube; 11. a screw; 12. a nut; 13. a valve stem; 14. a seal ring; 15. a seal ring; 16. a floating plate; 17. an air valve; 18. a piston; 19. a limiting ring; 20. a pressure gauge.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1 to 3, the self-control flow regulating valve provided by the utility model comprises a valve body 4, a water outlet pipe 6 and a water inlet pipe 9, wherein a conical ring 7 is arranged on the inner wall of the valve body 4 near the lower surface, a sleeve 3 is arranged on the upper surface of the valve body 4 above the conical ring 7, the sleeve 3 is a square pipe, a nut 12 is arranged in the sleeve 3, a screw 11 is inserted in the nut 12, one end of the screw 11 near the valve body 4 is connected with a valve rod 13, the upper surface of the valve body 4 is provided with a sealing ring 14, the sealing ring 14 is sheathed on the outer surface of the valve rod 13, the sealing ring 14 plays a role in sealing a gap between the valve rod 13 and the valve body 4, the tail end of the valve rod 13 is connected with a valve core 8, the valve core 8 is the toper form, sleeve pipe 3 internally mounted has lift slip table 2, surface mounting has rotation motor 1 on the lift slip table 2, rotation motor 1 output shaft end and screw rod 11 end-to-end connection, pressure sensor 5 is installed to top one side of valve body 4 inner wall, surface mounting has floating plate 16 under the pressure sensor 5, floating plate 16 surface mounting has sealing washer 15, sealing washer 15 plays sealed effect, avoid fluid and pressure sensor 5 contact, valve body 4 upper surface is located floating plate 16 top position department and is equipped with the gas pocket, one side that valve body 4 is close to floating plate 16 is connected with outlet pipe 6, one side that valve body 4 deviates from outlet pipe 6 is close to lower surface position department and is connected with inlet tube 9.

When the valve is used, fluid enters the valve body 4 from the water inlet pipe 9, passes through a gap between the conical ring 7 and the valve core 8 and is finally discharged from the water outlet pipe 6, the fluid in the valve body 4 enables the floating plate 16 to apply pressure to the pressure sensor 5, when the pressure value is lower than or higher than a set value range, the fluid flow passing through the conical ring 7 and the valve core 8 becomes smaller or larger, the rotating motor 1 works to drive the screw 11 to rotate, the valve rod 13 drives the valve core 8 to ascend or descend, and the intermittent size between the conical ring 7 and the valve core 8 is adjusted to adjust the valve passing flow.

Example two

As shown in fig. 1 and fig. 4, compared with the first embodiment, the self-control flow control valve provided by the utility model further comprises a flow stabilizing tube 10 connected to the upper surface of the water inlet tube 9, a limit ring 19 welded to the inner wall of the flow stabilizing tube 10 near the lower surface, a piston 18 installed inside the flow stabilizing tube 10, a gas valve 17 connected to the upper surface of the flow stabilizing tube 10, and a pressure gauge 20 installed on the outer surface of the flow stabilizing tube 10 near the upper surface.

In this embodiment, compressed gas is injected into the flow stabilizing tube 10 through the gas valve 17, and when pressure fluctuation occurs in the fluid in the water inlet tube 9, the up-and-down movement of the piston 18 in the flow stabilizing tube 10 causes the compressed gas in the flow stabilizing tube 10 to be compressed or released, so that the pressure fluctuation of the fluid in the water inlet tube 9 is eliminated.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims (6)

1. The utility model provides a self-control flow control valve, includes valve body (4), outlet pipe (6) and inlet tube (9), its characterized in that: the valve is characterized in that a conical ring (7) is installed at a position, close to the lower surface, of the inner wall of the valve body (4), a sleeve (3) is installed at a position, located above the conical ring (7), of the upper surface of the valve body (4), a nut (12) is installed inside the sleeve (3), a screw (11) is inserted inside the nut (12), one end, close to the valve body (4), of the screw (11) is connected with a valve rod (13), the end of the valve rod (13) is connected with a valve core (8), a lifting sliding table (2) is installed inside the sleeve (3), a rotating motor (1) is installed on the upper surface of the lifting sliding table (2), a pressure sensor (5) is installed on one side of the top of the inner wall of the valve body (4), and a floating plate (16) is installed on the lower surface of the pressure sensor (5).

2. The self-regulating flow control valve according to claim 1, wherein: one side of the valve body (4) close to the floating plate (16) is connected with a water outlet pipe (6), and one side of the valve body (4) away from the water outlet pipe (6) close to the lower surface is connected with a water inlet pipe (9).

3. The self-regulating flow control valve according to claim 1, wherein: the upper surface of the valve body (4) is provided with a sealing ring (14), and the sealing ring (14) is sleeved on the outer surface of the valve rod (13).

4. The self-regulating flow control valve according to claim 1, wherein: the outer surface of the floating plate (16) is provided with a sealing ring (15).

5. The self-regulating flow control valve according to claim 1, wherein: the water inlet pipe (9) upper surface is connected with a steady flow pipe (10), a limiting ring (19) is welded at a position, close to the lower surface, of the inner wall of the steady flow pipe (10), a piston (18) is mounted in the steady flow pipe (10), and the upper surface of the steady flow pipe (10) is connected with an air valve (17).

6. The self-regulating flow control valve according to claim 5, wherein: and a pressure gauge (20) is arranged on the outer surface of the steady flow pipe (10) near the upper surface.