CN218971918U

CN218971918U - Dynamic flow balance valve

Info

Publication number: CN218971918U
Application number: CN202223426698.2U
Authority: CN
Inventors: 杨征; 李红霞
Original assignee: Zhongke Huirong Hebei Energy Technology Co ltd
Current assignee: Zhongke Huirong Hebei Energy Technology Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-05
Anticipated expiration: 2032-12-21

Abstract

The utility model relates to the technical field of flow balance valves, in particular to a dynamic flow balance valve, which comprises a valve body, wherein the bottom of the outer side of the valve body is connected with a sleeve through threads, a filter cylinder is arranged in the sleeve, the upper end of the valve body is provided with a valve seat, a balance piece is movably arranged in the valve seat, the balance piece comprises a fixed nut, a threaded pipe, a first movable cavity, a movable rod and a valve liner, a spring is fixedly sleeved between the fixed nut and the valve liner, the outer side of the valve liner is symmetrically provided with a curve through hole, and the lower end of the valve seat is fixedly provided with a valve sleeve which is in sliding connection with the valve liner; through threaded connection between screwed pipe and the fixation nut, realize the effective regulation of fixation nut to the distance between the valve courage to give the spring an initial potential energy, can realize the balance when pressure differential is too big, improve the practical range of equipment.

Description

Dynamic flow balance valve

Technical Field

The utility model relates to the technical field of flow balance valves, in particular to a dynamic flow balance valve.

Background

Taking tap water as an example, sometimes the water flowing out of the water pipe is large, and the water flowing out becomes small in a sudden period, which is caused by the change of the water pressure in the water pipe. In real life and industrial production, the flow is kept stable and can not be large and small, so that a flow balance valve is arranged in a pipeline to ensure the subsequent beneficial performance of life or production water. For example, in chinese patent publication No. CN104455612a, a low-vibration dynamic flow balance valve is disclosed, a stop collar is fixedly disposed on an upper end face of an end cap of a valve liner, a plurality of through grooves are formed in a wall body of the stop collar, and the through grooves are uniformly distributed along a circumferential direction of the wall body of the stop collar. The limit ring plays a limiting role, when the pressure difference exceeds the working pressure difference, the convex ring of the valve liner is contacted with the upper end face of the limit ring, so that the spring can be prevented from being excessively compressed, the spring is enabled to be in a normal working compression stroke, and the service life of the spring and the service life of a product are ensured.

However, the conventional balance valve cannot realize the adjustment of the spring force, when the pressure difference exceeds the working pressure difference, the balance spring is excessively compressed, so that the service life of the spring is reduced, and although the limit mechanism is arranged, the equipment damage is avoided, but the balance adjustment cannot be continuously performed on the pressure difference. Accordingly, one skilled in the art would provide a dynamic flow balancing valve to address the problems set forth in the background above.

Disclosure of Invention

The present utility model is directed to a dynamic flow balance valve, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the dynamic flow balance valve comprises a valve body, wherein the bottom of the outer side of the valve body is connected with a sleeve through threads, a filter cylinder is arranged in the sleeve, the upper end of the valve body is provided with a valve seat, and a balance piece is movably arranged in the valve seat;

the balance piece is including fixing the inside fixation nut at the disk seat, there is the screwed pipe through threaded connection on the fixation nut, the first movable chamber has been seted up to the screwed pipe inside position department that is close to one end, the inside slidable mounting in first movable chamber has the movable rod, the one end of movable rod runs through first movable chamber and installs the valve courage, fixed cover is equipped with the spring between fixation nut and the valve courage, the front end of valve courage is equipped with the water inlet, and the outside symmetry of valve courage has seted up curve through-hole, the lower extreme of disk seat is fixed with the valve barrel with valve courage sliding connection, the wash port has been seted up to the symmetry on the valve barrel.

As a further aspect of the present utility model: the inside of disk seat is fixed with the connecting rod, the second movable chamber with connecting rod sliding connection is seted up to the position department that is close to the connecting rod in the inside of screwed pipe.

As a further aspect of the present utility model: the filter cylinder is of a columnar structure, and the upper end of the filter cylinder extends to the inside of the valve body and is tightly connected with the input end of the balancing piece.

As a further aspect of the present utility model: one end of the valve body, which is close to the sleeve, is connected with a water outlet pipe through threads, and one end of the valve body, which is close to the valve seat, is connected with a water inlet pipe through threads.

As a further aspect of the present utility model: the outside of valve body is located the balancing piece and is fixed with the installation pipe, be connected with pressure detector through the screw thread on the installation pipe.

As a further aspect of the present utility model: the surface of the valve body is provided with an anti-corrosion layer, and the anti-corrosion layer is formed by spraying a coating made of epoxy resin materials.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, through the arrangement of the filter cartridge, the filtration during the drainage of the equipment is realized, and the internal blockage of the equipment is avoided; through threaded connection between screwed pipe and the fixation nut, realize the effective regulation of fixation nut to the distance between the valve courage to give the spring an initial potential energy, can realize the balance when pressure differential is too big, improve the practical range of equipment.

Drawings

FIG. 1 is a schematic diagram of a dynamic flow balancing valve;

FIG. 2 is a schematic diagram of the internal structure of a dynamic flow balancing valve;

FIG. 3 is a schematic diagram of the internal structure of a valve seat in a dynamic flow balance valve;

fig. 4 is a schematic diagram of a mounting structure of a valve liner in a dynamic flow balance valve.

In the figure: 1. a valve body; 2. a sleeve; 3. a water outlet pipe; 4. a water inlet pipe; 5. a pressure detector; 6. a valve seat; 7. a filter cartridge; 8. a valve sleeve; 9. a drain hole; 10. a valve liner; 11. a water inlet; 12. a curved through hole; 13. a fixing nut; 14. a threaded tube; 15. a movable rod; 16. a spring; 17. a connecting rod; 18. a second movable chamber; 19. a first movable chamber.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the utility model, a dynamic flow balance valve comprises a valve body 1, and is characterized in that the bottom of the outer side of the valve body 1 is connected with a sleeve 2 through threads, a filter cartridge 7 is installed in the sleeve 2, the upper end of the valve body 1 is provided with a valve seat 6, and a balance piece is movably arranged in the valve seat 6;

the balance piece comprises a fixed nut 13 fixed inside the valve seat 6, a threaded pipe 14 is connected to the fixed nut 13 through threads, a first movable cavity 19 is formed in the threaded pipe 14 near one end position, a movable rod 15 is slidably mounted in the first movable cavity 19, one end of the movable rod 15 penetrates through the first movable cavity 19 and is provided with the valve liner 10, a spring 16 is fixedly sleeved between the fixed nut 13 and the valve liner 10, a water inlet 11 is formed in the front end of the valve liner 10, curve through holes 12 are symmetrically formed in the outer side of the valve liner 10, a valve sleeve 8 in sliding connection with the valve liner 10 is fixedly arranged at the lower end of the valve seat 6, drain holes 9 are symmetrically formed in the valve sleeve 8, the valve liner 10 is pushed to move under the action of water pressure, so that the spring 16 is relaxed and extruded, the effective area of the valve liner 10 is regulated through the curve through holes 12 under the sliding connection between the movable rod 15 and the first movable cavity 19, in addition, the threaded pipe 14 is rotated, the position of the threaded pipe 14 is regulated through the threads between the threaded pipe 14 and the fixed nut 13, the effective distance between the valve liner 10 is effectively regulated, and the practical balance of the valve liner 10 is increased, and the practical balance range of the device is effectively increased when the valve liner 10 is realized.

In fig. 4, a connecting rod 17 is fixed inside the valve seat 6, a second movable cavity 18 slidably connected with the connecting rod 17 is provided in the position, close to the connecting rod 17, inside the threaded pipe 14, and stability of the threaded pipe 14 is improved through sliding connection between the connecting rod 17 and the second movable cavity 18.

In fig. 2, the filter cartridge 7 has a columnar structure, and the upper end of the filter cartridge 7 extends into the valve body 1 and is tightly connected with the input end of the balance member, and through the arrangement of the filter cartridge 7, the filtration of fluid is realized, and the practicability of the device is improved.

In fig. 1 and 2, one end of the valve body 1, which is close to the sleeve 2, is connected with a water outlet pipe 3 through threads, and one end of the valve body 1, which is close to the valve seat 6, is connected with a water inlet pipe 4 through threads, and is mainly used for water inlet and outlet of equipment.

In fig. 1, a mounting pipe is fixed to a balance member on the outer side of a valve body 1, and a pressure detector 5 is screwed to the mounting pipe to detect pressure when fluid is inputted.

In fig. 1, the surface of the valve body 1 is provided with an anti-corrosion layer, and the anti-corrosion layer is formed by spraying a coating made of epoxy resin, so that the anti-corrosion of equipment is facilitated, and the service life of the equipment is prolonged.

The working principle of the utility model is as follows: when the valve is used, fluid enters the valve body 1 through the water inlet pipe 4, and pushes the valve liner 10 to move under the action of water pressure, so that the spring 16 is relaxed and extruded, under the sliding connection between the movable rod 15 and the first movable cavity 19, the traction during the movement of the valve liner 10 is realized, and then the adjustment of the effective area of the curve through hole 12 is realized, so that the flow stability is realized, in addition, the threaded pipe 14 is rotated, the adjustment of the position of the threaded pipe 14 is realized under the threaded connection between the threaded pipe 14 and the fixed nut 13, so that the effective adjustment of the distance between the fixed nut 13 and the valve liner 10 is realized, the spring 16 is given an initial potential energy, the balance during the overlarge pressure difference can be realized, the practical range of the device is improved, and in the process, the stability of the threaded pipe 14 is improved through the sliding connection between the connecting rod 17 and the second movable cavity 18; when fluid is discharged from the curve through hole 12, the fluid enters the filter cylinder 7 through the drain hole 9, the fluid is filtered through the filter cylinder 7, the practicability of the device is improved, and the sleeve 2 is disassembled through the threaded connection between the sleeve 2 and the valve body 1, so that the filter cylinder 7 is disassembled, and the impurities in the device are discharged.

Claims

1. The dynamic flow balance valve comprises a valve body (1) and is characterized in that the bottom of the outer side of the valve body (1) is connected with a sleeve (2) through threads, a filter cylinder (7) is installed in the sleeve (2), a valve seat (6) is arranged at the upper end of the valve body (1), and a balance piece is movably arranged in the valve seat (6);

the balance piece is including fixing at inside fixation nut (13) of disk seat (6), there is screwed pipe (14) through threaded connection on fixation nut (13), first movable chamber (19) have been seted up near one end position department in screwed pipe (14) inside, movable rod (15) are installed to the inside slidable in first movable chamber (19), valve courage (10) are installed in one end of movable rod (15) run through first movable chamber (19), fixed cover is equipped with spring (16) between fixation nut (13) and valve courage (10), the front end of valve courage (10) is equipped with water inlet (11), and curved through hole (12) have been seted up to the outside symmetry of valve courage (10), the lower extreme of disk seat (6) be fixed with valve barrel (10) sliding connection's valve barrel (8), wash port (9) have been seted up to the symmetry on valve barrel (8).

2. A dynamic flow balance valve according to claim 1, characterized in that the inside of the valve seat (6) is fixed with a connecting rod (17), and a second movable cavity (18) which is in sliding connection with the connecting rod (17) is arranged at a position close to the connecting rod (17) inside the threaded pipe (14).

3. A dynamic flow balance valve according to claim 1, characterized in that the filter cartridge (7) has a cylindrical structure, and the upper end of the filter cartridge (7) extends into the interior of the valve body (1) and is tightly connected to the input end of the balance member.

4. A dynamic flow balance valve according to claim 1, characterized in that the end of the valve body (1) close to the sleeve (2) is connected with the water outlet pipe (3) by means of threads, and the end of the valve body (1) close to the valve seat (6) is connected with the water inlet pipe (4) by means of threads.

5. A dynamic flow balance valve according to claim 1, characterized in that the outside of the valve body (1) is provided with a mounting tube fixed to the balance member, and that the mounting tube is connected with a pressure detector (5) by means of a screw thread.

6. A dynamic flow balance valve according to claim 1, characterized in that the surface of the valve body (1) is provided with an anti-corrosion layer, which is sprayed by a coating of epoxy resin material.