CN220870167U

CN220870167U - Hydraulic control valve with adjustable opening pressure

Info

Publication number: CN220870167U
Application number: CN202321405473.0U
Authority: CN
Inventors: 李翔; 毛兰; 史荣
Original assignee: Xi'an Dahang Energy Technology Service Co ltd
Current assignee: Xi'an Dahang Energy Technology Service Co ltd
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2024-04-30
Anticipated expiration: 2033-06-05

Abstract

The utility model discloses a water conservancy control valve with adjustable opening pressure, which comprises a valve body, a flange II and a valve cover, wherein the flange I is fixedly arranged on the valve body, a valve port I is formed in the top of the flange I, the flange II is fixedly arranged on the flange I through a screw, the valve cover is fixedly arranged on the flange II, a pressure adjusting assembly is arranged on the valve body and comprises an internal thread sleeve, a screw rod, a sleeve rod, a connecting plate, a valve shaft, a spring, two limit rods and a valve clack, the internal thread sleeve is arranged in the valve cover, the screw rod is arranged in the internal thread sleeve in a threaded manner, and the sleeve rod is fixedly arranged at the bottom end of the screw rod. According to the utility model, the pressure adjusting component is arranged, the adjusting valve is screwed to drive the internal thread sleeve to rotate, so that the screw rod pushes the sleeve rod to move downwards, the sleeve rod pushes the connecting plate to extrude the spring, and the pressure required by the valve clack extrusion spring is adjusted, so that the pressure adjusting valve has the advantage of adjusting the starting and finishing pressure of the control valve according to different conditions.

Description

Hydraulic control valve with adjustable opening pressure

Technical Field

The utility model relates to the technical field of water conservancy control valves, in particular to a water conservancy control valve with adjustable opening pressure.

Background

The hydraulic control valve is a valve for controlling water pressure and consists of a main valve, a guide pipe, a guide valve, a needle valve, a ball valve, a pressure gauge and the like. According to different purposes, functions and places, the valve can be changed into a remote control ball float valve, a pressure reducing valve, a slow-closing check valve, a flow control valve and a pressure relief valve. The valve clack is supported by the control valve through the spring, and the valve clack is pushed to move by taking the pressure of liquid in the control valve as power, so that the liquid can flow in the control valve.

However, in the prior art, when the control valve is installed at different angles, the pressure applied by the spring to the valve clack is different, so that the pressure required by liquid to push the valve clack is also changed, and meanwhile, when the control valve is used for conveying different liquids, the pressure of the liquid to push the valve clack is different, but the pressure is inconvenient to adjust after the control valve is started due to the fact that the elastic potential energy of the spring is consistent.

Disclosure of utility model

The utility model aims to provide a water conservancy control valve with adjustable opening pressure, which has the advantage of being capable of adjusting the opening and finishing pressure of the control valve according to different conditions so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hydraulic control valve of adjustable cracking pressure, includes valve body, flange two and valve gap, fixed mounting has flange one on the valve body, valve port one has been seted up at flange one's top, flange two passes through screw fixed mounting on flange one, valve gap fixed mounting is on flange two, be provided with pressure adjusting component on the valve body, pressure adjusting component includes internal thread sleeve, screw rod, loop bar, connecting plate, valve shaft, spring, two gag lever posts and valve clack, internal thread sleeve sets up in the valve gap, screw rod screw thread is installed in the internal thread sleeve, loop bar fixed mounting is in the bottom of screw rod, the connecting plate is rotated and is installed on the loop bar, valve shaft slidable mounting is on the loop bar, the spring slip cap is established on the valve shaft, the top of spring and the bottom fixed connection of connecting plate, two the gag lever is all slidable mounting on the connecting plate, valve clack fixed mounting is on the valve shaft, valve clack and looks adaptation, the bottom fixed connection of the top of valve clack and spring, the top and the two spacing bars of valve clack.

Further, a valve seat is fixedly arranged at the bottom of the valve clack, and the valve seat is fixedly connected with the valve shaft.

Further, a partition plate is fixedly arranged in the valve body, a second valve port is formed in the top of the partition plate, and the second valve port is matched with the valve seat.

Further, a first connecting pipe is fixedly arranged on the valve body, and a liquid outlet end of the first connecting pipe is fixedly connected with the valve cover.

Further, a second connecting pipe is fixedly arranged on the valve body, a liquid inlet end of the second connecting pipe is fixedly connected with the valve cover, and an electromagnetic valve is fixedly arranged on the second connecting pipe.

Further, two flanges III are fixedly arranged on the valve body, and two stabilizing seats are fixedly arranged at the bottom of the valve body.

Further, an adjusting valve is fixedly arranged at the top end of the internal thread sleeve, and the adjusting valve is rotationally connected with the valve cover.

In summary, the beneficial effects of the utility model are as follows due to the adoption of the technology:

According to the utility model, the pressure adjusting assembly is arranged, the adjusting valve is screwed to drive the internal thread sleeve to rotate, so that the screw rod is screwed away from the internal thread sleeve, the screw rod pushes the loop bar to move downwards, the loop bar pushes the connecting plate to extrude the spring, and the adjusting valve clack extrudes the pressure required by the spring, so that the adjusting valve has the advantage of adjusting the starting and finishing pressure of the control valve according to different conditions.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a hydraulic control valve with adjustable opening pressure according to the present utility model;

FIG. 2 is a schematic diagram of an assembly structure of a screw, a loop bar, a connecting plate, a valve shaft, a spring, a limit rod and a valve clack in the utility model;

FIG. 3 is a schematic diagram of a front cross-sectional structure of a hydraulic control valve with adjustable opening pressure according to the present utility model;

fig. 4 is an enlarged schematic view of the portion a of fig. 3 according to the present utility model.

In the figure: 1. a valve body; 2. a first flange; 3. a valve port I; 4. a second flange; 5. a valve cover; 6. an internally threaded sleeve; 7. a screw; 8. a loop bar; 9. a connecting plate; 10. a valve shaft; 11. a spring; 12. a limit rod; 13. a valve flap; 14. a valve seat; 15. a partition plate; 16. a second valve port; 17. a first connecting pipe; 18. a second connecting pipe; 19. a solenoid valve.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

The utility model provides a water conservancy control valve with adjustable opening pressure, as shown in figures 1-4, which comprises a valve body 1, a flange II 4 and a valve cover 5, wherein the flange I2 is fixedly arranged on the valve body 1, a valve port I3 is arranged at the top of the flange I2, the flange II 4 is fixedly arranged on the flange I2 through screws, the valve cover 5 is fixedly arranged on the flange II 4, a pressure adjusting component is arranged on the valve body 1, the pressure adjusting component comprises an internal thread sleeve 6, a screw rod 7, a sleeve rod 8, a connecting plate 9, a valve shaft 10, a spring 11, two limit rods 12 and a valve clack 13, the internal thread sleeve 6 is arranged in the valve cover 5, the screw rod 7 is arranged in the internal thread sleeve 6, the sleeve rod 8 is fixedly arranged at the bottom end of the screw rod 7, the connecting plate 9 is rotatably arranged on the sleeve rod 8, the sleeve rod 8 is slidably arranged on the spring 11, the top end of the spring 11 is fixedly connected with the bottom of the connecting plate 9, the two limit rods 12 are slidably arranged on the valve shaft 10, the valve shaft 13 is fixedly connected with the valve clack 13, and the top of the valve clack 13 is fixedly connected with the top of the valve clack 13.

In some embodiments, a valve seat 14 is fixedly mounted at the bottom of the valve flap 13, and the valve seat 14 is fixedly connected to the valve shaft 10, more specifically, the valve shaft 10 can enable the valve seat 14 and the valve flap 13 to move up and down.

In some embodiments, a partition 15 is fixedly installed in the valve body 1, a second valve port 16 is formed at the top of the partition 15, and the second valve port 16 is matched with the valve seat 14, and more specifically, the valve seat 14 is used for blocking and sealing the second valve port 16.

In some embodiments, the first connecting pipe 17 is fixedly installed on the valve body 1, and the liquid outlet end of the first connecting pipe 17 is fixedly connected with the valve cover 5, and more specifically, the first connecting pipe 17 is convenient for conveying liquid.

In some embodiments, the valve body 1 is fixedly provided with a second connecting pipe 18, a liquid inlet end of the second connecting pipe 18 is fixedly connected with the valve cover 5, and the second connecting pipe 18 is fixedly provided with an electromagnetic valve 19, and more specifically, the electromagnetic valve 19 is convenient for controlling liquid flowing through the second connecting pipe 18.

In some embodiments, the valve body 1 is fixedly provided with two flanges three, and the bottom of the valve body 1 is fixedly provided with two stabilizing seats, more specifically, the valve body 1 is convenient to be installed with other pipelines through the flanges three.

In some embodiments, an adjusting valve is fixedly mounted on the top end of the internally threaded sleeve 6, and the adjusting valve is rotatably connected with the valve cover 5, more specifically, the internally threaded sleeve 6 is conveniently rotated by the adjusting valve.

Working principle:

Step one: the adjusting valve is screwed to drive the internal thread sleeve 6 to rotate, so that the screw 7 is screwed away from the internal thread sleeve, the screw 7 pushes the sleeve rod 8 to move downwards, the sleeve rod 8 pushes the connecting plate 9 to squeeze the spring 11, the valve clack 13 is adjusted to squeeze the pressure required by the spring 11, and the valve shaft 10 slides in the sleeve rod 8.

Step two: after the adjustment is completed, as shown in fig. 3, the liquid enters the valve body 1 from the left side, the electromagnetic valve 19 is opened, the liquid enters the valve body 1 again through the first connecting pipe 17 and the second connecting pipe 18, the valve clack 13 is pushed by the liquid pressure to move upwards to be away from the first valve port 3, the valve shaft 10 drives the valve seat 14 to be away from the second valve port 16, and the liquid can flow in the control valve.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a hydraulic control valve of adjustable cracking pressure, includes valve body, flange two and valve gap, its characterized in that: the valve is characterized in that a first flange is fixedly arranged on the valve body, a first valve port is formed in the top of the first flange, the second flange is fixedly arranged on the first flange through a screw, the valve cover is fixedly arranged on the second flange, a pressure adjusting assembly is arranged on the valve body and comprises an internal thread sleeve, a screw rod, a loop bar, a connecting plate, a valve shaft, a spring, two limit bars and a valve clack, the internal thread sleeve is arranged in the valve cover, the screw rod is arranged in the internal thread sleeve in a threaded manner, the loop bar is fixedly arranged at the bottom end of the screw rod, the connecting plate is rotatably arranged on the loop bar, the valve shaft is slidably arranged on the loop bar, the spring is slidably sleeved on the valve shaft, the top end of the spring is fixedly connected with the bottom of the connecting plate, the two limit bars are slidably arranged on the connecting plate, the valve clack is fixedly arranged on the valve shaft and is matched with the first valve port, the top of the valve clack is fixedly connected with the bottom ends of the spring, and the top of the valve clack is fixedly connected with the bottom ends of the two limit bars.

2. The adjustable cracking pressure hydraulic control valve of claim 1, wherein: the bottom of the valve clack is fixedly provided with a valve seat, and the valve seat is fixedly connected with the valve shaft.

3. The adjustable cracking pressure hydraulic control valve of claim 2, wherein: the valve body is internally and fixedly provided with a baffle, the top of the baffle is provided with a second valve port, and the second valve port is matched with the valve seat.

4. The adjustable cracking pressure hydraulic control valve of claim 1, wherein: the valve body is fixedly provided with a first connecting pipe, and the liquid outlet end of the first connecting pipe is fixedly connected with the valve cover.

5. The adjustable cracking pressure hydraulic control valve of claim 1, wherein: the valve body is fixedly provided with a second connecting pipe, the liquid inlet end of the second connecting pipe is fixedly connected with the valve cover, and the second connecting pipe is fixedly provided with an electromagnetic valve.

6. The adjustable cracking pressure hydraulic control valve of claim 1, wherein: two flanges III are fixedly arranged on the valve body, and two stabilizing seats are fixedly arranged at the bottom of the valve body.

7. The adjustable cracking pressure hydraulic control valve of claim 1, wherein: the top end of the internal thread sleeve is fixedly provided with a regulating valve, and the regulating valve is rotationally connected with the valve cover.