Self-operated pressure regulating valve

Abstract

The utility model relates to the technical field of pressure regulating valves, and discloses a self-operated pressure regulating valve which comprises a valve body and a corrugated hose, the valve body is connected with a valve rod, the surface of the valve rod is sleeved with a spring, the surface of the spring is sleeved with the corrugated hose, the surface of the corrugated hose is provided with an opening, and the opening is communicated with the valve rod. First shaping plates are arranged on one side of the top end and one side of the bottom end of the corrugated hose, one sides of the first shaping plates are connected with second shaping plates through connecting assemblies, and the other sides of the first shaping plates are connected with the other sides of the second shaping plates in a clamped mode through limiting assemblies; the spring shaping device has the advantages that the corrugated hose is expanded through the opening to generate elastic deformation, the corrugated hose can be conveniently arranged on the surface of a spring in a sleeving mode, the corrugated hose can protect the surface of the spring, and the integrity and stability between the first shaping plate and the second shaping plate can be improved through the limiting assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure regulating valves, in particular to a self-acting pressure regulating valve. Background Art

[0002] The pressure regulating valve, also known as a self-acting balance valve, flow control valve, flow controller, dynamic balance valve, and flow balance valve, is an intuitive and simple flow regulation and control device. In a pipe network, the flow regulating valve can directly set the flow according to the design. Under the action of water, the valve can automatically eliminate the remaining head of the pipeline and the flow deviation caused by pressure fluctuations, and keep the set flow unchanged regardless of how the system pressure changes. These functions of the valve complete the pipe network flow regulation at one time, turning the network regulation work into a simple flow distribution, and effectively solving the hydraulic imbalance of the pipe network.

[0003] The "self-acting pressure regulating valve" disclosed in the patent application with the application number "CN202021053580.8" "comprises a valve body, a support block is fixedly arranged at the upper end of the valve body, symmetric fixing plates are fixedly arranged at the upper end of the support block, a support rod is fixedly arranged at one adjacent end of the two fixing plates, symmetric connecting blocks are fixedly arranged at one adjacent end of the two fixing plates, a limiting plate is fixedly arranged at one adjacent side of the two connecting blocks, a valve rod is fixedly arranged between the two limiting plates, a first spring is fixedly sleeved outside the valve rod, a groove is formed inside the valve rod, a connecting rod is slidably connected inside the groove, a second spring is fixedly arranged at the right end of the connecting rod, a first cavity is formed inside the connecting rod, a limiting mechanism is fixedly arranged inside the first cavity, the side wall of the valve rod is in contact with a first arc-shaped plate, symmetric second arc-shaped plates are slidably connected inside the first arc-shaped plate, limiting blocks are fixedly arranged at the left ends of the two second arc-shaped plates, symmetric clamping plates are fixedly arranged at the right ends of the two second arc-shaped plates, fixing blocks are fixedly arranged at the right ends of the two clamping plates, a U-shaped clamping block is in contact with the right ends of the two fixing blocks, and a fixing mechanism is fixedly arranged inside the second cavity of the U-shaped clamping block". In the utility model, through the combined cooperation of the first arc-shaped plate, the connecting rod, the clamping rod and the third spring, the first arc-shaped plate is fixed to the support rod, and the internal spring is protected, effectively preventing the spring from being stuck by objects and causing damage to the regulating valve.

[0004] However, the above method still has the following defects: Although the first arc-shaped plate and the second arc-shaped plate can protect the spring, they do not have a height adjustment function, it is difficult to cover springs of different lengths, which has limitations and a narrow application range. Summary of the Utility Model

[0005] The purpose of the present utility model is to provide a self-acting pressure regulating valve to solve the problem that the first arc plate and the second arc plate do not have a height adjustment function and it is difficult to cover springs of different lengths as mentioned in the above background technology.

[0006] The present utility model provides the following technical solution: A self-acting pressure regulating valve includes a valve body and a corrugated hose. The valve body is connected with a valve rod. A spring is sleeved on the surface of the valve rod, and a corrugated hose is sleeved on the surface of the spring. An opening is provided on the surface of the corrugated hose. On one side of the top end and one side of the bottom end of the corrugated hose, there is a shaping plate one. One side of the shaping plate one is connected with a shaping plate two through a connecting component. The other side of the shaping plate one is snap-connected with the other side of the shaping plate two through a limiting component. Both sides of the corrugated hose are connected with threaded sleeves through screws. One of the connecting components and one of the limiting components are respectively rotatably connected with the two screws, and the other connecting component and the other limiting component are respectively fixedly connected with the two threaded sleeves.

[0007] As a preferred technical solution of the present utility model, the connecting component includes a shaft rod and a connecting plate. The shaft rod is fixedly connected with the shaping plate one. The shaft rod is rotatably connected with the connecting plate. The connecting plate is fixedly connected with the shaping plate two. A supporting plate is fixedly connected to one side of the connecting plate.

[0008] As a preferred technical solution of the present utility model, the limiting component includes a pressing plate and a baffle plate. Two limiting columns are fixedly provided on the surface of the pressing plate. The pressing plate is fixedly connected with the baffle plate. One of the supporting plates and one of the baffle plates are respectively rotatably connected with a rotating shaft through a shaft sleeve. The rotating shaft is fixedly connected with the screw. The other supporting plate and the other baffle plate are respectively fixedly connected with a convex plate through two vertical rods. The convex plate is welded to the threaded sleeve.

[0009] As a preferred technical solution of the present utility model, column grooves are provided on the surfaces of both the shaping plate one and the shaping plate two. The limiting columns are snap-connected with the column grooves.

[0010] As a preferred technical solution of the present utility model, a knob is fixedly provided on the surface of the rotating shaft. The knob is coaxial with the screw, and an anti-slip groove is provided on the surface of the knob.

[0011] As a preferred technical solution of the present utility model, both the shaping plate one and the shaping plate two are fixedly connected with the corrugated hose. Rubber pads are bonded to the surfaces of both the shaping plate one and the shaping plate two. Anti-aging agents are coated on the surfaces of both the rubber pads and the corrugated hose.

[0012] As a preferred technical solution of the present utility model, clamping columns are snap-connected to both ends of the spring. The clamping columns and the spring are coaxial with the corrugated hose. The clamping columns are fixedly connected with the valve body.

[0013] As a preferred technical solution of the present utility model, connecting pipes are welded to both the input end and the output end of the valve body, and a flange is welded to one end of each connecting pipe.

[0014] Compared with the prior art, the present utility model has the following beneficial effects:

[0015] For this self-acting pressure regulating valve, the corrugated hose is expanded by the opening to cause elastic deformation, facilitating sleeving it on the surface of the spring. The corrugated hose can provide protection for the surface of the spring. Through the limiting component, the integrity and stability between the first shaping plate and the second shaping plate can be increased. The first shaping plate and the second shaping plate can shape the two ends of the corrugated hose, and the corrugated hose is not easily deformed. By rotating the screw rod, the threaded sleeve can be displaced, and the distance between the two first shaping plates can be adjusted, which can drive the corrugated hose to expand and contract, covering springs of different lengths, increasing the scope of use, with good flexibility. The first shaping plate and the second shaping plate can tightly abut against the valve body, with good stability, without the need for drilling and installation, and the operation is simple. Description of the Drawings

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] Figure 2 is an exploded structural diagram of the present utility model;

[0018] Figure 3 is a schematic structural diagram of the corrugated hose of the present utility model;

[0019] Figure 4 is a schematic structural diagram of the first shaping plate of the present utility model;

[0020] Figure 5 is a schematic structural diagram of the second shaping plate of the present utility model;

[0021] Figure 6 is a schematic structural diagram of the limiting component of the present utility model;

[0022] Figure 7 is the present utility model Figure 4 magnified schematic structural diagram at position A.

[0023] In the figure: 1, valve body; 2, connecting pipe; 3, flange; 4, valve stem; 5, spring; 6, clamping post; 7, corrugated hose; 8, opening; 9, first shaping plate; 10, second shaping plate; 11, rubber pad; 12, connecting component; 1201, shaft rod; 1202, connecting plate; 1203, support plate; 13, limiting component; 1301, pressing plate; 1302, limiting post; 1303, baffle; 14, column groove; 15, rotating shaft; 16, shaft sleeve; 17, screw rod; 18, knob; 19, threaded sleeve; 20, convex plate; 21, vertical rod. Detailed implementation mode

[0024] The following will further illustrate the present utility model in conjunction with the attached drawings in the embodiments of the present utility model.

[0025] Please refer to Figures 1 to 7 , in the embodiment of the present utility model, a self-acting pressure regulating valve includes a valve body 1 and a corrugated hose 7. The valve body 1 is connected with a valve rod 4. A spring 5 is sleeved on the surface of the valve rod 4, and a corrugated hose 7 is sleeved on the surface of the spring 5. An opening 8 is formed on the surface of the corrugated hose 7. By expanding the corrugated hose 7 through the opening 8 to cause elastic deformation, it is convenient to sleeve it on the surface of the spring 5. The corrugated hose 7 can provide protection for the surface of the spring 5. On one side of the top end and one side of the bottom end of the corrugated hose 7, there is a first shaping plate 9. One side of the first shaping plate 9 is connected with a second shaping plate 10 through a connecting component 12. The second shaping plate 10 can be opened through the connecting component 12. The other side of the first shaping plate 9 is snap-connected with the other side of the second shaping plate 10 through a limiting component 13. The integrity and stability between the first shaping plate 9 and the second shaping plate 10 can be increased through the limiting component 13. The first shaping plate 9 and the second shaping plate 10 can shape the two ends of the corrugated hose 7, and the corrugated hose 7 is not easily deformed. Both sides of the corrugated hose 7 are connected with threaded sleeves 19 through screws 17. One of the connecting components 12 and one of the limiting components 13 are respectively rotatably connected with the two screws 17, and the other connecting component 12 and the other limiting component 13 are respectively fixedly connected with the two threaded sleeves 19;

[0026] In this embodiment, preferably, the connecting component 12 includes a shaft rod 1201 and a connecting plate 1202. The shaft rod 1201 is fixedly connected with the first shaping plate 9. The shaft rod 1201 is rotatably connected with the connecting plate 1202. The connecting plate 1202 is fixedly connected with the second shaping plate 10. A supporting plate 1203 is fixedly connected to one side of the connecting plate 1202. The connecting plate 1202 can be positioned through the shaft rod 1201, and the second shaping plate 10 can make a circular motion along the shaft rod 1201;

[0027] In this embodiment, preferably, the limiting component 13 includes a pressing plate 1301 and a baffle plate 1303. Two limiting columns 1302 are fixedly arranged on the surface of the pressing plate 1301. The pressing plate 1301 is fixedly connected with the baffle plate 1303. One of the supporting plates 1203 and one of the baffle plates 1303 are both rotatably connected with a rotating shaft 15 through a shaft sleeve 16. The screw 17 can be rotated through the rotating shaft 15, which can prevent the torque of the screw 17 from being transmitted to the supporting plate 1203 and the baffle plate 1303. The rotating shaft 15 is fixedly connected with the screw 17. The other supporting plate 1203 and the other baffle plate 1303 are both fixedly connected with a convex plate 20 through two vertical rods 21. The convex plate 20 is welded to the threaded sleeve 19. The threaded sleeve 19 can provide support for the supporting plate 1203 and the baffle plate 1303 through the vertical rods 21 and the convex plate 20;

[0028] In this embodiment, preferably, the surfaces of the shaping plate 1 9 and the shaping plate 2 10 are both provided with column grooves 14, and the limiting column 1302 is engaged with the column grooves 14, and the limiting column 1302 can be limited by the column grooves 14 to prevent the pressing plate 1301 from horizontal displacement;

[0029] In this embodiment, preferably, a knob 18 is fixedly provided on the surface of the rotating shaft 15, the knob 18 is coaxial with the screw 17, and an anti-skid groove is provided on the surface of the knob 18, so that the knob 18 can be rotated to rotate the screw 17 through the anti-skid groove;

[0030] In this embodiment, preferably, the shaping plate 1 9 and the shaping plate 2 10 are both fixedly connected to the corrugated hose 7, and the surfaces of the shaping plate 1 9 and the shaping plate 2 10 are both bonded with rubber pads 11, and the surfaces of the rubber pads 11 and the corrugated hose 7 are both coated with anti-aging agents, and the rubber pads 11 can increase the fit and friction between the shaping plates 1 9 and the shaping plates 2 10 and the valve body 1, which is stable and reliable;

[0031] In this embodiment, preferably, both ends of the spring 5 are connected with a clamping column 6, the clamping column 6 and the spring 5 are coaxial with the corrugated hose 7, the clamping column 6 is fixedly connected to the valve body 1, and the stability of the spring 5 can be ensured by the clamping column 6;

[0032] In this embodiment, preferably, the input end and the output end of the valve body 1 are both welded with connecting pipes 2, and one end of the connecting pipe 2 is welded with a flange 3, and the connecting pipes 2 at both ends of the valve body 1 can be connected to the fluid pipeline through the flange 3.

[0033] When in use, first, the corrugated hose 7 is stretched open through the opening 8 to make it elastically deformed, and the second shaping plate 10 is opened, and then the corrugated hose 7 is sleeved on the surface of the spring 5, and then the second shaping plate 10 is loosened, and the corrugated hose 7 can be restored, and then the limiting column 1302 of the limiting component 13 is engaged with the column groove 14 of the shaping plate 1 9 and the second shaping plate 10, so as to increase the integrity and stability between the shaping plate 1 9 and the second shaping plate 10, and the shaping plate 1 9 and the second shaping plate 10 can shape the two ends of the corrugated hose 7, and the corrugated hose 7 is not easy to deform, so as to provide protection for the spring 5 of the valve body 1, and avoid the phenomenon that the spring 5 is stuck by objects;

[0034] When installing the corrugated hose 7, rotate the rotating shaft 15 through the knob 18. The rotating shaft 15 drives the screw 17 to rotate. The shaft sleeve 16 and the rotating shaft 15 can prevent the torque of the screw 17 from being transmitted to the support plate 1203 and the baffle plate 1303. The screw 17 can adjust the distance between the two first shaping plates 9 through the threaded sleeve 19, and then the corrugated hose 7 can be telescoped to cover springs 5 of different lengths, increasing the scope of use and having good flexibility. After the distance between the two first shaping plates 9 increases, it can contact the valve body 1 to prevent the corrugated hose 7 from loosening. The rubber pad 11 can increase the fitting degree and friction force between the first shaping plate 9 and the second shaping plate 10 and the valve body 1.

[0035] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A self-operated pressure regulating valve, comprising a valve body (1) and a corrugated hose (7), characterized in that: The valve body (1) is connected to a valve stem (4), the surface of the valve stem (4) is sleeved with a spring (5), and the surface of the spring (5) is sleeved with a corrugated hose (7), the surface of the corrugated hose (7) is provided with an opening (8), one side of the top end and one side of the bottom end of the corrugated hose (7) are provided with a shaping plate one (9), one side of the shaping plate one (9) is connected to a shaping plate two (10) via a connecting component (12), the other side of the shaping plate one (9) is snap-connected to the other side of the shaping plate two (10) via a limiting component (13), both sides of the corrugated hose (7) are connected to a threaded sleeve (19) via a screw (17), one of the connecting components (12) and one of the limiting components (13) are rotationally connected to the two screws (17) respectively, and the other connecting component (12) and the other limiting component (13) are fixedly connected to the two threaded sleeves (19) respectively.

2. The self-operated pressure regulating valve according to claim 1, characterized in that: The connecting assembly (12) comprises an axle rod (1201) and a connecting plate (1202), wherein the axle rod (1201) is fixedly connected to the shaping plate one (9), the axle rod (1201) is rotatably connected to the connecting plate (1202), the connecting plate (1202) is fixedly connected to the shaping plate two (10), and one side of the connecting plate (1202) is fixedly connected to a support plate (1203).

3. The self-operated pressure regulating valve according to claim 2, characterized in that: The limiting assembly (13) comprises a pressing plate (1301) and a baffle (1303); two limiting columns (1302) are fixedly provided on the surface of the pressing plate (1301); the pressing plate (1301) is fixedly connected to the baffle (1303); one of the supporting plates (1203) and one of the baffles (1303) are rotatably connected to a rotating shaft (15) via a shaft sleeve (16); the rotating shaft (15) is fixedly connected to a screw rod (17); the other supporting plate (1203) and the other baffle (1303) are fixedly connected to a convex plate (20) via two vertical rods (21); and the convex plate (20) is welded to a threaded sleeve (19).

4. The self-operated pressure regulating valve according to claim 3, characterized in that: The surfaces of the shaping plate one (9) and the shaping plate two (10) are both provided with column grooves (14), and the limiting columns (1302) are snap-fitted and connected with the column grooves (14).

5. The self-operated pressure regulating valve according to claim 3, characterized in that: A knob (18) is fixedly provided on the surface of the rotating shaft (15), the knob (18) is coaxial with the screw rod (17), and an anti-slip groove is provided on the surface of the knob (18).

6. The self-operated pressure regulating valve according to claim 1, characterized in that: The shaping plate 1 (9) and the shaping plate 2 (10) are both fixedly connected to the corrugated hose (7), the surface of the shaping plate 1 (9) and the surface of the shaping plate 2 (10) are both bonded with a rubber pad (11), and the surface of the rubber pad (11) and the surface of the corrugated hose (7) are both coated with an anti-aging agent.

7. The self-operated pressure regulating valve according to claim 1, characterized in that: Both ends of the spring (5) are connected to clamping columns (6), the clamping column (6) and the spring (5) are coaxial with the corrugated hose (7), and the clamping column (6) is fixedly connected to the valve body (1).

8. The self-operated pressure regulating valve according to claim 1, characterized in that: The input end and the output end of the valve body (1) are both welded with a connecting pipe (2), and one end of the connecting pipe (2) is welded with a flange (3).

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