CN220956988U

CN220956988U - Filter type pressure reducing valve

Info

Publication number: CN220956988U
Application number: CN202322638918.6U
Authority: CN
Inventors: 胡小龙; 谢忠孝; 郑孙康; 陈晓秋
Original assignee: Yongjia County Chenzheng Valve Manufacturing Co ltd
Current assignee: Yongjia County Chenzheng Valve Manufacturing Co ltd
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2024-05-14
Anticipated expiration: 2033-09-27

Abstract

The utility model discloses a filtering type pressure reducing valve, which has the technical scheme that the pressure reducing valve comprises a valve core, a valve rod, a valve body, the valve core and the valve rod are arranged in the valve body, the valve rod is arranged on the valve core, the valve core comprises a fixing rod and a filtering device, the filtering device comprises a filter screen and a fixing frame, the filter screen is arranged on the fixing frame, a hollow cylinder is arranged in the center of the fixing frame, one end of the cylinder is provided with a circular through hole with threads, the other end of the cylinder is provided with a square through hole, the fixing rod is in threaded fit with the circular through hole, a loading and unloading port for the filtering device to enter and exit is arranged below the valve body, a protruding part is arranged around the loading and unloading port, a sealing cover is arranged on the protruding part, the section of the protruding part is square, the protruding part is matched with the square through hole, a limiting device is arranged outside the sealing cover, and the limiting device limits the movement of the sealing cover. The utility model has the filtering effect and is convenient to detach.

Description

Filter type pressure reducing valve

Technical Field

The utility model relates to the technical field of valves, in particular to a filtering type pressure reducing valve.

Background

The pressure reducing valve, also called as "pressure stabilizing valve" or "constant pressure valve" is a kind of valve which depends on the energy of its own medium, and the throttle area is regulated by the opening of the opening and closing member in the valve body, so as to change the flow speed and the kinetic energy of the fluid, thus the fluid pressure at the outlet end is kept within a certain range, and the valve is suitable for various types of fluids such as gas, liquid, etc., and is widely used in pneumatic and hydraulic equipment, especially in the water treatment industry for protecting various relevant equipment such as various water treatment valves, pipe connecting members, filters, etc.

The pressure reducing valve applied to the current market is directly applied to a raw water end, so that large-particle impurities such as muddy sand, rust and the like possibly existing in water are attached to elements inside the pressure reducing valve to cause dysfunction, and meanwhile, most of the existing pressure reducing valves are complex in structure, large in size and heavy in weight, are not beneficial to installation and maintenance, and therefore, the pressure reducing valve with the impurity preventing function needs to be developed. Currently, publication No. CN210623705U discloses a pressure reducing valve with filtering function, which is provided with a filtering component to realize the function of filtering impurities in water, but the disassembly, assembly and replacement of a filter core are not simple enough, based on the above problems, the application provides a filtering pressure reducing valve to solve the above problems.

Disclosure of utility model

Aiming at the defects in the prior art, the utility model provides the filter type pressure reducing valve which has the function of filtering impurities in water, and is simple in structure and convenient to assemble and disassemble.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a filter-type relief pressure valve, the relief pressure valve is including the case, the valve rod, the valve body, case and valve rod set up in the valve body, the valve rod sets up on the case, including dead lever and filter equipment on the case, filter equipment is including filter screen and mount, the filter screen sets up on the mount, the mount center is equipped with hollow drum, drum one end is provided with the circular through-hole that has the screw thread, the drum other end sets up to square through-hole, dead lever and circular through-hole screw thread fit, the valve body below is provided with the loading and unloading mouth that supplies filter equipment to business turn over, be provided with the bellying around the loading and unloading mouth, be provided with sealed lid on the bellying, be provided with the projection on the sealing lid, the projection cross-section is square, the projection cooperatees with square through-hole, be provided with stop device outward in the sealing lid, stop device restriction sealing lid removes.

The utility model is further provided with: the limiting device comprises a limiting rod A, a limiting rod B, a limiting rod C and a bolt, wherein one end of the limiting rod B is hinged to the limiting rod A, the other end of the limiting rod B is hinged to the limiting rod C, a bolt through hole is formed in the limiting rod C, a groove is formed in the valve body, the bolt penetrates through the bolt through hole to enter the groove, and a magnet is arranged in the groove.

The utility model is further provided with: a spring is arranged between the valve rod and the valve core and is abutted against the valve rod and the valve core.

The utility model is further provided with: the valve is characterized in that a sealing sleeve is arranged on the valve core and sleeved on the valve core, the sealing sleeve is provided with an inclined plane, a limiting part is arranged on the valve body, and the limiting part is matched with the inclined plane. A water inlet and a water outlet are arranged in the valve body.

The utility model is further provided with: the valve rod is provided with an adjusting device, and the adjusting device comprises an adjusting rod and a limiting frame.

The utility model is further provided with: and a sealing gasket is arranged on the sealing cover.

The utility model is further provided with: the sealing cover is provided with friction parts which are arranged on two sides of the sealing cover.

In summary, the utility model has the following beneficial effects:

The valve core is provided with the filter device, the filter device comprises a filter screen and a fixing frame, the filter screen is arranged on the fixing frame, the fixing frame is provided with a hollow cylinder, one end of the cylinder is provided with a circular through hole with threads, the other end of the cylinder is provided with a square through hole, the circular through hole is matched with the fixing rod through threads, when the water pressure is high, the valve core and the filter device can move upwards together by water, and the water enters the water outlet through the filter screen on the filter device. The valve body is provided with a loading and unloading port, the position of the loading and unloading port is positioned under the filtering device in the valve body, the periphery of the loading and unloading port is provided with a protruding part, the valve body is provided with a sealing cover, the sealing cover is arranged on the protruding part, the sealing cover is provided with a square protruding column, the protruding column is matched with a square through hole on the cylinder, and a limiting device is arranged outside the sealing cover. When the filter device is disassembled, the filter device is disassembled by only opening the limiting part and the rotary sealing cover, so that the disassembled filter device can be reused only by cleaning. During installation, only need insert the square through-hole of drum with the projection on the sealing cover, then rotatory sealed lid can fix filter equipment on the case, makes stop device spacing sealed lid again at last, has the convenient function of loading and unloading filter equipment.

Drawings

FIG. 1 is a schematic view of a cross-sectional structure of a valve core of the present embodiment after movement;

FIG. 2 is a schematic view showing an upward three-dimensional structure of a circular through hole of the filtering device according to the present embodiment;

FIG. 3 is a schematic view showing an upward perspective structure of a square through hole of the filtering device according to the present embodiment;

FIG. 4 is a schematic view of the structure of a partial enlarged view A of the present embodiment;

fig. 5 is a schematic view of the structure of a partial enlarged view B of the present embodiment.

Reference numerals: 1. a valve core; 2. a valve stem; 3. a valve body; 4. a fixed rod; 5. a filtering device; 6. a filter screen; 7. a fixing frame; 8. a cylinder; 9. a circular through hole; 10. a thread; 11. square through holes; 12 raised parts; 13. sealing cover; 14. a convex column; 15 a limiting device; 16. a limit rod A; 17. a limit rod B; 18. a limit rod C; 19. a plug pin; 20. a bolt through hole; 21. a groove; 22. a spring; 23. sealing sleeve; 24. an inclined plane; 25. a limit part; 26. a water inlet; 27. a water outlet; 28. a sealing gasket; 29. a friction part; 32. a loading and unloading port; 33. a magnet; 34. an adjusting device; 35. an adjusting rod; 36. and a limiting frame.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a filter relief valve, as shown in fig. 1-5, the relief valve is including case 1, valve rod 2, valve body 3, be provided with case 1 and valve rod 2 in the valve body 3, valve rod 2 sets up on case 1, be equipped with dead lever 4 and filter equipment 5 on the case 1, filter equipment 5 is including filter screen 6 and mount 7, filter screen 6 parcel is on mount 7, the mount 7 center is equipped with hollow drum 8, drum 8 one end sets up to have the circular through-hole 9 of screw thread 10, the other end sets up to square through-hole 11, when water pressure is big, water can lift up case 1, case 1 upwards moves and can drive filter equipment 5 and move together, water reentrant delivery port 27 through filter equipment 5, be provided with the loading and unloading mouth 32 that supplies filter equipment to pass through below valve body 3, be provided with bellying 12 around loading and unloading mouth 32, seal lid 13 sets up on bellying 12, when dismantling, open stop device 15 earlier, cancel stop device 15 to seal lid 13 restriction. The sealing cover 13 is only required to be rotated, then the sealing cover 13 and the filtering device 5 are taken out, impurities on the filtering device 5 can be repeatedly used after being cleaned, when the filter is installed, the filtering device 5 is reinstalled on the valve core 1 by rotating the sealing cover 13, and the position of the sealing cover 13 is limited by the limiting device 15, so that the filter is convenient and quick to assemble and disassemble.

Further, a limiting device 15 is arranged outside the sealing cover 13, the limiting device comprises a limiting rod A16, a limiting rod B17, a limiting rod C18 and a bolt 19, the limiting rod A16 is connected to the valve body 3, one end of the limiting rod B17 is hinged to the limiting rod A16, the other end is hinged to the limiting rod C18, a groove 21 is formed in the valve body, a bolt through hole 20 is formed in the limiting rod C18, when the limiting device 15 limits the sealing cover 13, the limiting rod B is firstly rotated to tightly attach the limiting rod B to the sealing cover, then the limiting rod C is rotated, the bolt through hole 20 on the limiting rod C is aligned to the groove 21, finally the bolt 19 passes through the bolt through hole 20 to enter the groove 21, and the inserted bolt 19 can be sucked by the magnet 33 in the groove to prevent the bolt from falling out.

Further, a spring 22 is arranged between the valve core 1 and the valve rod 2, the spring 22 is abutted between the valve rod 2 and the valve core 1, when the water pressure is high, the valve core 1 is pressed upwards by water, the valve core 1 presses the spring 22, and when the water pressure is reduced, the valve rod 2 is reset by the spring 22, so that water outflow is reduced.

Further, the valve core 1 is provided with the sealing sleeve 23, the sealing sleeve 23 is sleeved on the valve core 1, the sealing sleeve 23 is provided with an inclined plane 24, the valve body is provided with a limiting part 25, the limiting part 25 is matched with the inclined plane 24, and the sealing sleeve 23 is guided by the inclined plane 24, so that the sealing sleeve 23 is tightly attached to the limiting part 25, and the sealing performance of the valve is improved.

Further, a water inlet 26 and a water outlet 27 are arranged in the valve body 3, water enters the valve body 3 through the water inlet 26, the water is arranged below the valve core 1, when the water is increased, the pressure of the water is increased, and the valve core 1 is extruded by the increase of the pressure of the water, so that the valve core 1 moves upwards.

Further, the sealing cover is provided with the sealing gasket 28, the sealing gasket 28 is extruded by the bulge 12, the sealing of the sealing gasket 28 can be improved by extrusion of the bulge 12, and the sealing gasket 28 can prevent water flow from flowing out of the sealing cover 13.

Further, the friction parts 29 are arranged on the sealing cover, the friction parts 29 are arranged on two sides of the sealing cover 13, friction force can be increased by the friction parts 29 when the sealing cover 13 is rotated, slipping of hands during rotation is prevented, and the sealing cover 13 is easy and simple to detach.

Further, an adjusting device 34 is arranged on the valve rod, the adjusting device 34 comprises an adjusting rod 35 and a limiting frame 36, the distance between the valve rod and the valve core can be adjusted by rotating the adjusting rod 35, and the elastic force of the spring 22 is changed by the distance between the adjusting rod 35 and the valve core 1.

Furthermore, the valve core 1 is provided with the fixed rod 4 and the filtering device 5, the filtering device 5 comprises the filter screen 6 and the fixed frame 7, the filter screen 6 is wrapped on the fixed frame 7, the center of the fixed frame 7 is provided with the hollow cylinder 8, one end of the cylinder 8 is provided with the round through hole 9 with threads, the other end of the cylinder 8 is provided with the square through hole 11, the round through hole 9 is matched with the fixed rod 4 through threads, when the water pressure is high, the valve core 1 can be upwards extruded by water, the filtering device 5 can also upwards move along with the water pressure, and the water enters the water outlet through the filter screen 6 on the filtering device 5, so that impurities in the water can be filtered. The valve body 3 is provided with a loading and unloading port 32, the position of the loading and unloading port 32 is positioned under the filtering device 5 in the valve body 3, the periphery of the loading and unloading port 32 is provided with a protruding part 12, the valve body 3 is provided with a sealing cover 13, the sealing cover 13 is arranged on the protruding part 12, the sealing cover 13 is provided with a square convex column 14, the convex column 14 is matched with a square through hole 11 on the cylinder 8, and a limiting device 15 is arranged outside the sealing cover 13. When the filter device 5 is disassembled, the limiting device 15 is only required to be opened, the rotary sealing cover 13 is used for disassembling the filter device 5, and the disassembled filter device 5 can be reused only by cleaning. During installation, the filtering device 5 can be fixed on the valve core 1 by only inserting the convex column on the sealing cover 13 into the square through hole 11 of the cylinder and then rotating the sealing cover 13, and finally, the limiting device 15 is used for limiting the sealing cover 13 again, so that the filtering device 5 can be conveniently assembled and disassembled.

The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a filter-type relief pressure valve, relief pressure valve is including case (1), valve rod (2), valve body (3), case (1) and valve rod (2) set up in valve body (3), valve rod (2) set up on case (1), its characterized in that: including dead lever (4) and filter equipment (5) on case (1), filter equipment (5) are including filter screen (6) and mount (7), filter screen (6) set up on mount (7), mount (7) center is equipped with hollow drum (8), drum (8) one end is provided with circular through-hole (9) that have screw thread (10), drum (8) other end sets up square through-hole (11), dead lever (4) and circular through-hole (9) screw-fit, valve body (3) below is provided with loading and unloading mouth (32) that supply filter equipment (5) business turn over, be provided with bellying (12) around loading and unloading mouth (32), be provided with sealed lid (13) on bellying (12), be provided with projection (14) on sealed lid (13), projection (14) cross-section is square, projection (14) cooperate with square through-hole (11), sealed lid (13) are provided with stop device (15), stop device (15) are removed outward to restriction.

2. A filter relief valve as claimed in claim 1, wherein: stop device (15) are including gag lever post A (16), gag lever post B (17), gag lever post C (18) and bolt (19), gag lever post A (16) is articulated to gag lever post B (17) one end, and other end hinged joint gag lever post C (18), be provided with bolt through-hole (20) on gag lever post C (18), be provided with recess (21) on valve body (3), bolt (19) pass in bolt through-hole (20) get into recess (21), be equipped with magnet (33) in recess (21).

3. A filter relief valve as claimed in claim 1, wherein: a spring (22) is arranged between the valve rod (2) and the valve core (1), and the spring (22) is abutted against the valve rod (2) and the valve core (1).

4. A filter relief valve as claimed in claim 1, wherein: the valve is characterized in that a sealing sleeve (23) is arranged on the valve core (1), the sealing sleeve (23) is sleeved on the valve core (1), the sealing sleeve (23) is provided with an inclined plane (24), a limiting part (25) is arranged on the valve body (3), the limiting part (25) is matched with the inclined plane (24), and a water inlet (26) and a water outlet (27) are arranged in the valve body (3).

5. A filter relief valve as claimed in claim 1, wherein: an adjusting device (34) is arranged on the valve rod (2), and the adjusting device (34) comprises an adjusting rod (35) and a limiting frame (36).

6. A filter relief valve as claimed in claim 1, wherein: a sealing gasket (28) is arranged on the sealing cover (13).

7. A filter relief valve as claimed in claim 1, wherein: the sealing cover (13) is provided with friction parts (29), and the friction parts (29) are arranged on two sides of the sealing cover (13).