CN219062563U

CN219062563U - Pressure regulating valve with temperature compensation function

Info

Publication number: CN219062563U
Application number: CN202223564327.0U
Authority: CN
Inventors: 丁旭华; 张森华; 董君
Original assignee: Hangzhou Liqi Valve Co ltd
Current assignee: Hangzhou Liqi Valve Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-23
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a pressure regulating valve with a temperature compensation function, and relates to the field of pressure regulating valves. The utility model comprises a regulating valve main body, wherein a valve core is arranged in the regulating valve main body, the bottom of the valve core is penetrated with a vertical channel which is vertically upwards, the top of the vertical channel is connected with a plurality of branch channels, and the plurality of branch channels encircle the outer sides of the vertical channels.

Description

Pressure regulating valve with temperature compensation function

Technical Field

The utility model relates to the field of pressure regulating valves, in particular to a pressure regulating valve with a temperature compensation function.

Background

The pressure regulating valve is also called a self-operated balance valve, a flow control valve, a flow controller, a dynamic balance valve and a flow balance valve, is a visual and simple flow regulating control device, can directly set flow according to design by using the flow regulating valve in a pipe network, can automatically eliminate flow deviation caused by residual pressure head and pressure fluctuation of a pipeline under the action of water, and keeps the set flow unchanged no matter how the system pressure changes.

The existing pressure regulating valve is developed into an electronic pressure/flow control technology, the degree of automation is high, the pressure in pipeline fluid can be regulated, but in the actual use process, impurities exist in the fluid, if the pressure of the fluid required by a terminal is small, the pore of a valve core of the pressure regulating valve is small, the pore is easily blocked by the impurities after being small, the pressure of the fluid at an outlet end can be influenced, and if the blockage is serious, the risk of pipe explosion can be caused.

Accordingly, the inventors have made an effort to provide a pressure regulating valve with a temperature compensation function for practical value in view of the existing structure and the drawbacks.

Disclosure of Invention

Based on the above, the utility model aims to provide a pressure regulating valve with a temperature compensation function, so as to solve the technical problems that if the fluid pressure of a terminal is small, the pore of a valve core of the pressure regulating valve becomes small, and the pore is easy to be blocked by impurities after being small.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pressure regulating valve with temperature compensation function, includes the governing valve main part, the inside of governing valve main part is equipped with the case, the bottom of case runs through has vertical ascending vertical passageway, the top of vertical passageway is connected with the tributary passageway, the tributary passageway is equipped with a plurality ofly, and a plurality of tributary passageways encircle the outside of vertical passageway.

Through adopting above-mentioned technical scheme, when the fluid pressure that needs the exit end diminishes, then drive the lead screw cover through actuating mechanism and rotate, drive lead screw downwardly moving for the hole between case and the governing valve main part diminishes, then the pressure of exit end diminishes, if the impurity in the fluid has blockked up the hole between case and the governing valve main part, then the fluid can also get into the exit end through vertical passageway and tributary passageway, avoid impurity to block up the case completely and die, improve the steady voltage performance of pressure regulating valve, improve its life, reduce the frequency of blasting.

Further, the top of governing valve main part is fixed with the regulation pipe box, actuating mechanism is installed at the top of regulation pipe box, actuating mechanism's output is connected with the lead screw cover, the lead screw cover rotates with the regulation pipe box to be connected, the inside of lead screw cover vertically runs through threaded connection and has the lead screw, the surface of lead screw has cup jointed the spring, the bottom of spring is connected with the limiting plate, and the limiting plate is fixed in the surface below of lead screw, the case install in the bottom of lead screw.

Through adopting above-mentioned technical scheme, when the fluid pressure of needs exit end diminishes, then drive the lead screw cover through actuating mechanism and rotate, drive the lead screw and reciprocate for the hole between case and the governing valve main part diminishes, then the pressure of exit end diminishes, when the fluid pressure of needs exit end diminishes, then actuating mechanism reverses, drives the lead screw and upwards moves and make the hole grow, then the pressure of exit end grow.

Further, the diameter of the limiting plate is larger than the bottom diameter of the adjusting pipe sleeve, sliding blocks are fixed on two sides of the limiting plate, sliding grooves are formed in the inner wall of the adjusting pipe sleeve, and the sliding blocks are in sliding connection with the sliding grooves.

Through adopting above-mentioned technical scheme, the limiting plate can be spacing to the lead screw, and the limiting plate slides from top to bottom in the inner wall of adjusting the pipe box, has improved the stability that the lead screw reciprocated.

Further, a valve membrane is arranged between the adjusting pipe sleeve and the adjusting valve main body.

Further, flanges are fixedly arranged at two ends of the regulating valve body, one end of the regulating valve body is an inlet end, and the other end of the regulating valve body is an outlet end.

Through adopting above-mentioned technical scheme, make things convenient for the workman to install the governing valve main part, improved the convenience and the stability of governing valve main part installation.

Further, a temperature sensor and a heating unit are arranged on one side, close to the outlet end, of the regulating valve body.

By adopting the technical scheme, when the temperature of the fluid is too low, the heating unit is opened through the controller to heat the fluid, so that the temperature performance of the fluid is kept at all times, and unstable pressure of the fluid caused by uneven temperature can be avoided.

In summary, the utility model has the following advantages:

according to the utility model, the vertical channels are arranged on the valve core vertically, the peripheries of the vertical channels encircle the branch channels, when the fluid pressure at the outlet end is required to be reduced, the screw rod sleeve is driven to rotate through the driving mechanism, the screw rod is driven to move downwards, so that the pore space between the valve core and the regulating valve main body is reduced, the pressure at the outlet end is reduced, and if impurities in the fluid block the pore space between the valve core and the regulating valve main body, the fluid can enter the outlet end through the vertical channels and the branch channels, so that the valve core is prevented from being blocked completely by the impurities, and the service life of the pressure regulating valve is prolonged;

according to the utility model, the temperature sensor and the heating unit are arranged, so that the temperature sensor can detect the temperature of the fluid, when the temperature of the fluid is too low, the heating unit is turned on through the controller to heat the fluid, the temperature performance of the fluid is kept at all times, and unstable pressure of the fluid caused by uneven temperature can be avoided.

Drawings

FIG. 1 is a schematic perspective view of a main body of a regulating valve according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a main body of a regulating valve according to the present utility model;

FIG. 3 is a schematic view of a partial perspective structure of a valve core according to the present utility model;

fig. 4 is a schematic view of a partially cut-away structure of a valve element according to the present utility model.

In the figure: 1. a regulating valve body; 101. a temperature sensor; 102. a heating unit; 2. adjusting the pipe sleeve; 201. a driving mechanism; 202. a screw rod sleeve; 203. a screw rod; 204. a spring; 205. a limiting plate; 3. a flange; 4. an inlet end; 5. an outlet end; 6. a valve membrane; 7. a valve core; 701. a tributary passage; 702. a vertical channel.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

The utility model provides a pressure regulating valve with temperature compensation function, as shown in fig. 1, 2, 3, 4, including governing valve main part 1, the inside of governing valve main part 1 is equipped with case 7, the bottom of case 7 runs through and has vertical ascending vertical passageway 702, the top of vertical passageway 702 is connected with tributary passageway 701, tributary passageway 701 is equipped with a plurality of, a plurality of tributary passageways 701 encircle the outside of vertical passageway 702, when the fluid pressure of needs exit end 5 diminishes, then drive screw sleeve 202 through actuating mechanism 201 is rotatory, drive lead screw 203 moves down, make the hole between case 7 and the governing valve main part 1 diminish, then the pressure of exit end 5 diminishes, if impurity in the fluid has stopped up the hole between case 7 and the governing valve main part 1, then fluid can also get into exit end 5 through vertical passageway 702 and tributary passageway 701, avoid impurity to totally to block up case 7, the steady voltage performance of pressure regulating valve has been improved, improve its life, reduce the frequency of blasting tube.

Referring to fig. 1, 2, 3, and 4, an adjusting sleeve 2 is fixed at the top of an adjusting valve main body 1, a driving mechanism 201 is installed at the top of the adjusting sleeve 2, an output end of the driving mechanism 201 is connected with a screw rod sleeve 202, the screw rod sleeve 202 is rotationally connected with the adjusting sleeve 2, a screw rod 203 is longitudinally connected through threads inside the screw rod sleeve 202, a spring 204 is sleeved on the outer surface of the screw rod 203, a limiting plate 205 is connected at the bottom of the spring 204, the diameter of the limiting plate 205 is larger than the diameter of the bottom of the adjusting sleeve 2, sliding blocks are fixed at two sides of the limiting plate 205, sliding grooves are formed in the inner wall of the adjusting sleeve 2, the sliding blocks are in sliding connection with the sliding grooves, the limiting plate 205 can limit the screw rod, the limiting plate 205 slides up and down on the inner wall of the adjusting sleeve 2, stability of the screw rod is improved, the limiting plate 205 is fixed below the outer surface of the screw rod 203, a valve core 7 is installed at the bottom of the screw rod 203, when the fluid pressure of an outlet end 5 is required to be reduced, the driving mechanism 201 drives the screw rod sleeve 202 to rotate, the screw rod 203 to move downwards, a pore between the valve core 7 and the adjusting valve main body 1 is enabled to be reduced, and the outlet end 5 is required to be increased, and the fluid pressure of the outlet end is required to be increased, and the outlet end is required to be increased, and the fluid pressure of the outlet end is required to be increased.

Referring to fig. 1 and 2, a valve membrane 6 is arranged between the adjusting pipe sleeve 2 and the adjusting valve main body 1, flanges 3 are fixedly arranged at two ends of the adjusting valve main body 1, one end of the adjusting valve main body 1 is an inlet end 4, the other end of the adjusting valve main body 1 is an outlet end 5, and the adjusting valve main body 1 is convenient for workers to install, so that the convenience and stability of installation of the adjusting valve main body 1 are improved.

Referring to fig. 1 and 2, a temperature sensor 101 and a heating unit 102 are installed on a side of the regulating valve main body 1 near the outlet end 5, when the temperature of the fluid is too low, the heating unit is turned on by the controller to heat the fluid, so that the temperature performance of the fluid is kept at all times, and unstable pressure of the fluid caused by uneven temperature can be avoided.

The implementation principle of the embodiment is as follows: firstly, the regulating valve main body 1 is installed on a pipeline through the flange 3, then a power supply is connected, when the fluid pressure of the outlet end 5 is required to be reduced, the screw rod sleeve 202 is driven to rotate through the driving mechanism 201, the screw rod 203 is driven to move downwards, the pressure of the outlet end 5 is reduced, if impurities in the fluid block the gap between the valve core 7 and the regulating valve main body 1, the fluid can enter the outlet end 5 through the vertical channel 702 and the branch channel 701, the impurities are prevented from completely blocking the valve core, the temperature sensor 101 and the heating unit 102 are also installed on the regulating valve main body 1, the temperature sensor 101 can detect the temperature of the fluid, when the temperature of the fluid is too low, the heating unit 102 is opened through the controller, the fluid is heated, and the temperature performance of the fluid is kept constantly.

The parts not involved in the present utility model are the same as or can be implemented by the prior art, and are not described in detail herein.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. The utility model provides a pressure regulating valve with temperature compensation function, its characterized in that, including governing valve main part (1), the inside of governing valve main part (1) is equipped with case (7), the bottom of case (7) is run through has vertical ascending vertical passageway (702), the top of vertical passageway (702) is connected with tributary passageway (701), tributary passageway (701) are equipped with a plurality ofly, and the outside of vertical passageway (702) is encircleed in a plurality of tributary passageway (701).

2. The pressure regulating valve with temperature compensation function according to claim 1, wherein: the top of governing valve main part (1) is fixed with regulation pipe box (2), actuating mechanism (201) are installed at the top of regulation pipe box (2), the output of actuating mechanism (201) is connected with lead screw cover (202), lead screw cover (202) are connected with regulation pipe box (2) rotation, the inside of lead screw cover (202) is vertically run through threaded connection and is had lead screw (203), spring (204) have been cup jointed to the surface of lead screw (203) the bottom of spring (204) is connected with limiting plate (205), and limiting plate (205) are fixed in the surface below of lead screw (203), case (7) install in the bottom of lead screw (203).

3. The pressure regulating valve with temperature compensation function according to claim 2, wherein: the diameter of limiting plate (205) is greater than the bottom diameter of adjusting pipe box (2), and the both sides of limiting plate (205) are fixed with the slider, the spout has been seted up to the inner wall of adjusting pipe box (2), the slider with spout sliding connection.

4. The pressure regulating valve with temperature compensation function according to claim 2, wherein: a valve membrane (6) is arranged between the adjusting pipe sleeve (2) and the adjusting valve main body (1).

5. The pressure regulating valve with temperature compensation function according to claim 1, wherein: the two ends of the regulating valve body (1) are fixedly provided with flanges (3), one end of the regulating valve body (1) is an inlet end (4), and the other end of the regulating valve body (1) is an outlet end (5).

6. The pressure regulating valve with temperature compensation function according to claim 1, wherein: and a temperature sensor (101) and a heating unit (102) are arranged on one side, close to the outlet end (5), of the regulating valve main body (1).