CN219388621U - Self-operated pressure regulating valve - Google Patents

Abstract

The utility model discloses a self-operated pressure regulating valve, which comprises a valve body, wherein a guide plate is arranged in the middle of the interior of the valve body, a circulation port is formed in the middle of the top of the guide plate, a regulating box is arranged in the middle of the top of the valve body, a connecting rod is sleeved in the middle of the bottom of the regulating box, the bottom of the connecting rod extends to the inner side of the valve body and is provided with a plugging block, the top of the connecting rod extends to the interior of the regulating box and is provided with a push plate, and a guide rod is arranged in the middle of the top of the push plate; according to the utility model, through mutual matching among the parts, when the device is used, the water flow pressure can be utilized to automatically adjust the pressure required by the opening of the plugging block, the water flow is controlled, the self-operated pressure adjustment is realized, when the water pressure is overlarge, the water flow can push the return pipe to open, a circulating waterway is formed, and part of water flow is circulated, so that the water flow pressure is relieved, the valve damage caused by the overhigh water flow pressure is prevented, and the service life of the device is prolonged.

Description

Self-operated pressure regulating valve

Technical Field

The utility model relates to the technical field of pressure regulating valves, in particular to a self-operated pressure regulating valve.

Background

The self-operated pressure regulating valve is divided into three series of self-operated pressure, pressure difference and flow regulating valve, the self-operated pressure regulating valve is divided into two types of valve front and valve rear according to the position of the pressure taking point, the pressure taking point is used for regulating the constant pressure before the valve, and the pressure taking point is used for regulating the constant pressure after the valve;

the prior patent with the authority bulletin number of CN210739488U discloses a self-operated pressure regulating valve, which can uniformly distribute water liquid when the water flow of a water outlet pipe is large through the cooperation between a water distribution pipe and a water distribution hole in the water distribution plate, so as to prevent the water liquid entering a regulating box from being uniformly distributed by excessive water flow, and the self-operated pressure regulating valve can prevent the top plate from being impacted when the water flow is large, can ensure that the top plate is uniformly stressed, and is suitable for popularization and use;

however, the following disadvantages exist in this device:

when carrying rivers, the delivery line is somewhere to break down, easily leads to rivers circulation pressure increase, and the device is difficult to when rivers pressure is too big, alleviates rivers circulation pressure, leads to the device to strike the damage because of rivers excessive pressure easily, has reduced the life of device to the device is difficult to when rivers pressure is unusual, can not in time remind the staff, causes the delivery line trouble easily, causes great loss.

Disclosure of Invention

The utility model aims to provide a self-operated pressure regulating valve so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a self-operated pressure regulating valve, includes the valve body, the inside middle part of valve body is provided with the guide plate, the circulation mouth has been seted up at the middle part at guide plate top, the middle part at valve body top is provided with the regulation box, the middle part cover of regulation box bottom is equipped with the connecting rod, the bottom of connecting rod extends to the inboard of valve body and is provided with the shutoff piece, the top of connecting rod extends to the inside of regulation box and is provided with the push pedal, the middle part at push pedal top is provided with the guide arm, the outside cover of guide arm is equipped with the piston, the bottom cover that the guide arm outside is close to the piston is equipped with the spring, one side at valve body top is provided with the communicating pipe that is linked together with the regulation box, the opposite side at valve body top is provided with the check valve, the top of regulation box one side is provided with alarm assembly.

Preferably, the alarm assembly comprises an electric contact block A, an alarm and an electric contact block B, wherein the alarm is positioned at the top of one side of the adjusting box, the electric contact block A is arranged on one side of the bottom of the piston, the electric contact block B matched with the electric contact block A is arranged on one side of the bottom of the inner part of the adjusting box, and the alarm can be started to remind workers in time when the water pressure is overlarge.

Preferably, a movable groove matched with the push plate is formed in the middle of the bottom of the adjusting box and used for providing a movable space for the push plate.

Preferably, the shape of the plugging block is a truncated cone, and the plugging block is made of rubber materials, so that the plugging effect on the circulation port can be improved.

Preferably, a limiting block is arranged at the top of the guide rod and used for limiting the moving range of the piston.

Preferably, the two sides of the valve body are provided with connecting flanges, so that the valve body is convenient to install.

Compared with the prior art, the utility model has the beneficial effects that: this self-operated pressure regulating valve passes through the mutually supporting between each part for the device when using, usable water flow pressure, required pressure when automatically regulated shutoff piece was opened, controlled water flow, realized self-operated pressure regulation, and when water pressure was too big, rivers can promote the back flow and open, form a circulation water route, circulate partial rivers, thereby alleviate water flow pressure, prevent that water flow pressure is too high and lead to the valve to damage, prolonged the life of device, and when the back flow was opened, can start the siren simultaneously and carry out the alarm, suggestion staff water flow pressure is unusual, be convenient for in time seek abnormal cause and handle.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

fig. 3 is an enlarged schematic view of the structure a of fig. 2 according to the present utility model.

In the figure: 1. a valve body; 2. a flow port; 3. a block; 4. a connecting rod; 5. a deflector; 6. a communicating pipe; 7. an electric contact block A; 8. a piston; 9. a guide rod; 10. an adjustment box; 11. an alarm; 12. a return pipe; 13. a one-way valve; 14. a push plate; 15. a spring; 16. and an electric contact block B.

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.

Referring to fig. 1-3, embodiments of the present utility model are provided: the utility model provides a self-operated pressure regulating valve, including valve body 1, the both sides of valve body 1 are provided with flange, be convenient for install valve body 1, the inside middle part of valve body 1 is provided with guide plate 5, circulation mouth 2 has been seted up at the middle part at guide plate 5 top, the middle part at valve body 1 top is provided with adjusting box 10, the middle part cover at adjusting box 10 bottom is equipped with connecting rod 4, the bottom of connecting rod 4 extends to the inboard of valve body 1 and is provided with shutoff piece 3, the shape of shutoff piece 3 is the round platform shape, and shutoff piece 3 is made by the rubber material, can promote the shutoff effect to circulation mouth 2;

the top of the connecting rod 4 extends to the inside of the regulating box 10 and is provided with a push plate 14, a movable groove matched with the push plate 14 is formed in the middle of the bottom of the regulating box 10 and is used for providing a movable space for the push plate 14, a guide rod 9 is arranged in the middle of the top of the push plate 14, a limiting block is arranged at the top of the guide rod 9 and is used for limiting the movable range of the piston 8, the piston 8 is sleeved outside the guide rod 9, a spring 15 is sleeved outside the guide rod 9 and close to the bottom of the piston 8, one side of the top of the valve body 1 is provided with a communicating pipe 6 communicated with the regulating box 10, the other side of the top of the valve body 1 is provided with a one-way valve 13, the bottom of one side of the regulating box 10 is provided with a return pipe 12 communicated with the one-way valve 13, and the top of one side of the regulating box 10 is provided with an alarm component;

the alarm assembly comprises an electric contact block A7, an alarm 11 and an electric contact block B16, wherein the alarm 11 is positioned at the top of one side of the adjusting box 10, the electric contact block A7 is arranged on one side of the bottom of the piston 8, the electric contact block B16 matched with the electric contact block A7 is arranged on one side of the bottom of the inner part of the adjusting box 10, and the alarm 11 can be started to remind workers in time when the water pressure is overlarge.

Working principle: when the device is used, the device can be arranged on a water flow conveying pipeline, when water flow enters the valve body 1 from the left side of the valve body 1, the water flow pushing force can be utilized to push the plugging block 3 to move upwards against the elastic force of the spring 15, so that the flow port 2 is opened, water flow can flow, and then the water flow can flow out from the right side of the valve body 1,

when the flow rate of the water flow is too large, the water flow can enter the communicating pipe 6 under the action of pressure and enter the regulating box 10 through the diversion of the communicating pipe 6, at the moment, under the action of water pressure, the piston 8 can be pushed to move downwards against the elastic force of the spring 15, the pressure required by pushing the plugging block 3 to open can be increased by utilizing the elastic force of the spring 15, the flow rate of the water flow is reduced, and the self-operated regulation of the valve is realized;

when the water pressure is too high, the water flow downwards pushes the piston 8 to move to the lower part of the return pipe 12, then the water flow can flow back to the valve body 1 through the flow guide of the return pipe 12, part of the water flow is circulated, the circulation pressure of the water flow can be relieved, the damage of a valve with too high water flow pressure is prevented, the electric contact block A7 can be synchronously driven to move downwards when the piston 8 moves downwards, and after the electric contact block A7 contacts with the electric contact block B16, the alarm 11 can be automatically started to alarm so as to prompt a worker, and the reasons for abnormality of the water flow pressure can be timely checked.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, 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.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected" and "connected" are to be construed broadly, and may be either a fixed connection or a removable connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. 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.

Claims (6)

1. The utility model provides a self-operated pressure regulating valve, includes valve body (1), its characterized in that: the inside middle part of valve body (1) is provided with guide plate (5), circulation mouth (2) have been seted up at the middle part at guide plate (5) top, the middle part at valve body (1) top is provided with regulation box (10), the middle part cover at regulation box (10) bottom is equipped with connecting rod (4), the bottom of connecting rod (4) extends to the inboard of valve body (1) and is provided with shutoff piece (3), the top of connecting rod (4) extends to the inside of regulation box (10) and is provided with push pedal (14), the middle part at push pedal (14) top is provided with guide arm (9), the outside cover of guide arm (9) is equipped with piston (8), the bottom cover that is close to piston (8) in the guide arm (9) outside is equipped with spring (15), one side at valve body (1) top is provided with communicating pipe (6) that are linked together with regulation box (10), the opposite side at valve body (1) top is provided with check valve (13), the bottom of regulation box (10) one side is provided with back flow (12) that are linked together with check valve (13), regulation box (10) one side is provided with alarm assembly.

2. A self-contained pressure regulating valve as defined in claim 1, wherein: the alarm assembly comprises an electric contact block A (7), an alarm (11) and an electric contact block B (16), wherein the alarm (11) is located at the top of one side of an adjusting box (10), one side of the bottom of a piston (8) is provided with the electric contact block A (7), and one side of the bottom of the inner part of the adjusting box (10) is provided with the electric contact block B (16) matched with the electric contact block A (7).

3. A self-contained pressure regulating valve as defined in claim 1, wherein: the middle part of the bottom of the adjusting box (10) is provided with a movable groove matched with the push plate (14).

4. A self-contained pressure regulating valve as defined in claim 1, wherein: the shape of the plugging block (3) is a truncated cone, and the plugging block (3) is made of rubber materials.

5. A self-contained pressure regulating valve as defined in claim 1, wherein: the top of the guide rod (9) is provided with a limiting block.

6. A self-contained pressure regulating valve as defined in claim 1, wherein: connecting flanges are arranged on two sides of the valve body (1).