Adjustable filtering pressure reducing valve

By designing a combined structure of the filter chamber and the inclined plate in the pressure reducing valve, the medium is filtered, and the problem of impurities in the prior art cannot be filtered, the service life of the pressure reducing valve is extended and maintenance efficiency is improved.

CN222798241UActive Publication Date: 2025-04-25NINGBO FENGHUA NEWMAN DICK MASCH CO LTD
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Patent Information

Application Number
CN202421638770.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-11
Publication Date
2025-04-25
Estimated Expiration
2034-07-11

AI Technical Summary

Technical Problem

The existing pressure reducing valve structure cannot filter the medium, resulting in impurities in the medium easily clogging the valve and reducing service life.

Method used

An adjustable filter pressure reducing valve is designed, adopting a combined structure of a filter chamber and an inclined plate, so that the medium is filtered through the filter cartridge, and through the design of the limit block and the gap ring, it is convenient for the disassembly and assembly and maintenance of the filter cartridge.

Benefits of technology

Through filtration, the clogging rate of the pressure reducing valve is reduced, the service life is extended, and the maintenance efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222798241U_ABST
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Abstract

The utility model relates to the technical field of pressure reducing valve structures, and discloses an adjustable filtering pressure reducing valve which comprises an adjustable pressure reducing valve body, an output pipe is fixedly connected to the right side of the adjustable pressure reducing valve body, filtering protection mechanisms are arranged at the bottom and the left side of the adjustable pressure reducing valve body, and each filtering protection mechanism comprises a movable seat. And the movable seat is fixedly mounted at the bottom of the adjustable pressure reducing valve main body. According to the adjustable pressure reducing valve, through cooperation of the filtering bin and the inclined plate, a conveying medium can flow through the inner cavity of the filtering cylinder, filtering treatment on the medium is completed through the filtering cylinder, impurities in the medium are filtered out, the blocking rate of the adjustable pressure reducing valve body is reduced, and then the service life of the adjustable pressure reducing valve body is prolonged; and through the design of the limiting block and the notch ring piece, an operator can complete disassembly and assembly treatment of the filter cartridge through small-angle rotation, and the maintenance efficiency of the filter piece of the structure is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of pressure reducing valve structures, in particular to an adjustable filtering pressure reducing valve. Background Art

[0002] The pressure reducing valve is a valve that reduces the inlet pressure to a certain required outlet pressure through regulation, and automatically maintains a stable outlet pressure by relying on the energy of the medium itself. From the perspective of fluid mechanics, the pressure reducing valve is a throttling element with variable local resistance, that is, by changing the throttling area, the flow rate and the kinetic energy of the fluid are changed, resulting in different pressure losses, thereby achieving the purpose of pressure reduction.

[0003] A Chinese patent discloses a pressure reducing valve with the publication number CN221075386U. The technical solution disclosed in the patent document is as follows: it includes a pressure reducing input component, the upper end of the pressure reducing input component is connected to a pressure reducing output component, a pressure reducing regulating component is installed on the pressure reducing output component, the pressure reducing output component includes an annular output cabin, and a second flange is integrally formed at the lower end of the annular output cabin.

[0004] In order to solve the problem that the existing structure cannot meet the simultaneous installation requirements of multiple outlets, the existing technology adopts a method of designing a ring-shaped output cabin and an output pipe and other structural combinations to deal with it. However, the medium cannot be filtered. If the conveying medium contains impurities, the impurities can easily cause blockage inside the pressure reducing valve, thereby reducing the service life of the pressure reducing valve. Utility Model Content

[0005] The utility model aims to provide an adjustable filtering pressure reducing valve to solve the problem that the medium cannot be filtered in the prior art.

[0006] The utility model provides the following technical solutions: an adjustable filtering pressure reducing valve, comprising an adjustable pressure reducing valve body, the right side of the adjustable pressure reducing valve body is fixedly connected with an output pipe, the bottom and left sides of the adjustable pressure reducing valve body are provided with a filtering protection mechanism, the filtering protection mechanism comprises a movable seat, the movable seat is fixedly installed at the bottom of the adjustable pressure reducing valve body, the top of the movable seat is fixedly installed with a supporting shaft located on the left side of the adjustable pressure reducing valve body, a supporting arm is welded on the outer wall of the supporting shaft, the ends of the two supporting arms located in the front and rear directions are fixedly installed with a filtering bin, an inclined plate is fixedly installed on the inner wall of the filtering bin, a limiting block is welded on the right side of the inclined plate, a notched ring is detachably connected between the inclined plate and the limiting block, and a filter cartridge is fixedly connected on the right side of the notched ring.

[0007] As a preferred embodiment of the above technical solution, the top of the filter bin is rotatably connected with a closing cover, the bottom of the closing cover is movably connected to the top of the filter bin, a fixing block is fixedly installed on the top of the filter bin, and pins are detachably connected to the inner walls of the closing cover and the fixing block.

[0008] As a preferred embodiment of the above technical solution, square tube one is fixedly installed on the left side of the support arm located on the left, square tube two is fixedly installed on the right side of the support arm located on the right, square tube two is fixedly connected to the left side of the adjustable pressure reducing valve body, and an input pipe is fixedly connected to the left side of the square tube one.

[0009] As a preferred embodiment of the above technical solution, the back sides of square tube one and square tube two are fixedly connected with a first valve tube group, the end sections of the two first valve tube groups are fixedly connected with the filter bin, and the front sides of square tube one and square tube two are fixedly connected with a second valve tube group, the end sections of the two second valve tube groups are fixedly connected with the filter bin.

[0010] As a preferred embodiment of the above technical solution, the filtering protection mechanism further comprises a positioning base, the top of the positioning base is fixedly connected with an elastic member, and the top of the elastic member is movably connected to the bottom of the movable seat.

[0011] As a preferred embodiment of the above technical solution, a vertical foot rod is welded to the top of the positioning base, and the outer wall of the vertical foot rod is slidably connected to the inner wall of the movable seat.

[0012] As a preferred embodiment of the above technical solution, a slot is provided on the top of the vertical foot rod, an elastic plastic strip is movably inserted into the inner cavity of the slot, and the bottom of the elastic plastic strip is movably connected to the top of the movable seat.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model can make the conveying medium flow through the inner cavity of the filter cartridge through the cooperation of the filter bin and the inclined plate, complete the filtering treatment of the medium through the filter cartridge, filter out impurities inside the medium, reduce the blockage rate of the adjustable pressure reducing valve body, and thus extend the service life of the adjustable pressure reducing valve body; through the design of the limit block and the notched ring, the operator can complete the disassembly and assembly of the filter cartridge by rotating it at a small angle, thereby improving the maintenance efficiency of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the overall structure of the support shaft and the support arm of the utility model;

[0017] Figure 3This is a schematic diagram of the internal structure of the filter bin of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the positioning base of the utility model.

[0019] In the figure: 1. adjustable pressure reducing valve body; 11. output pipe; 2. filter protection mechanism; 21. movable seat; 211. positioning base; 212. elastic member; 213. vertical foot rod; 214. elastic plastic clip; 22. support shaft; 23. support arm; 24. square tube one; 25. square tube two; 26. first valve tube group; 27. second valve tube group; 28. filter bin; 281. tilting plate; 282. limit block; 283. notched ring; 284. filter cartridge; 285. closing cover; 286. fixing block; 287. pin rod; 29. ​​input pipe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] like Figure 1-Figure 3 As shown, the utility model provides a technical solution: an adjustable filter pressure reducing valve, comprising an adjustable pressure reducing valve body 1, an output pipe 11 is fixedly connected to the right side of the adjustable pressure reducing valve body 1, a filter protection mechanism 2 is arranged at the bottom and the left side of the adjustable pressure reducing valve body 1, the filter protection mechanism 2 comprises a movable seat 21, the movable seat 21 is fixedly installed at the bottom of the adjustable pressure reducing valve body 1, a support shaft 22 located on the left side of the adjustable pressure reducing valve body 1 is fixedly installed on the top of the movable seat 21, a support arm 23 is welded on the outer wall of the support shaft 22, and filter bins 28 are fixedly installed at the ends of the two support arms 23 located in the front and rear directions, an inclined plate 281 is fixedly installed on the inner wall of the filter bin 28, a limiting block 282 is welded to the right side of the inclined plate 281, and a notch ring 283 is detachably connected between the inclined plate 281 and the limiting block 282. , a filter cartridge 284 is fixedly connected to the right side of the notched ring 283, and the conveying medium will flow through the filter bin 28, and the conveying medium will flow through the filter cartridge 284 through the guidance of the inclined plate 281, and the filter cartridge 284 will complete the filtering treatment of the medium, filter out impurities inside the medium, and reduce the blockage rate of the adjustable pressure reducing valve body 1, align the notch of the notched ring 283 with the limit block 282, and then fit the notched ring 283 to the side of the inclined plate 281, and then rotate the notched ring 283 to complete the installation of the filter cartridge 284, conversely, the disassembly of the filter cartridge 284 can be completed, and the operator can complete the disassembly and assembly of the filter cartridge 284 by rotating it at a small angle, thereby improving the maintenance efficiency, and through the cooperation of the support shaft 22 and the support arm 23, the square tube 1 24, the square tube 2 25, and the filter bin 28 can be firmly supported.

[0022] As an implementation method in this embodiment, Figure 1-Figure 3 As shown, the top of the filter bin 28 is rotatably connected with a closing cover 285, the bottom of the closing cover 285 is movably connected to the top of the filter bin 28, a fixing block 286 is fixedly installed on the top of the filter bin 28, and a pin 287 is detachably connected to the inner walls of the closing cover 285 and the fixing block 286. A square tube 1 24 is fixedly installed on the left side of the support arm 23 located on the left, and a square tube 25 is fixedly installed on the right side of the support arm 23 located on the right. The square tube 25 is fixedly connected to the left side of the adjustable pressure reducing valve body 1, and the left side of the square tube 1 24 is fixedly connected with an input pipe 29. The backs of the square tubes 1 24 and 25 are fixedly connected with the first valve tube group 26, and the ends of the two first valve tube groups 26 are fixedly connected. A filter bin 28 is connected, and the front sides of square tube one 24 and square tube two 25 are fixedly connected with a second valve tube group 27. The ends of the two second valve tube groups 27 are fixedly connected with a filter bin 28. The pin 287 is pulled out from the closing cover 285 and the fixing block 286, and then the closing cover 285 is rotated to open the top of the filter bin 28. Then the filter cartridge 284 can be disassembled, assembled, cleaned and maintained. If it is necessary to maintain the filter cartridge 284 connected to the second valve tube group 27, the second valve tube group 27 is closed and the first valve tube group 26 is opened. If it is necessary to maintain the filter cartridge 284 connected to the first valve tube group 26, the first valve tube group 26 is closed and the second valve tube group 27 is opened, thereby realizing the function of non-stop maintenance.

[0023] As an implementation method in this embodiment, Figure 1 , Figure 4 As shown, the filtering protection mechanism 2 also includes a positioning base 211, the top of the positioning base 211 is fixedly connected with an elastic member 212, the top of the elastic member 212 is movably connected to the bottom of the movable seat 21, a vertical foot rod 213 is welded to the top of the positioning base 211, the outer wall of the vertical foot rod 213 is slidably connected to the inner wall of the movable seat 21, a card slot is provided on the top of the vertical foot rod 213, an elastic plastic card strip 214 is movably inserted in the inner cavity of the card slot, and the bottom of the elastic plastic card strip 214 is slidably connected to the movable seat 21 The top of the adjustable pressure-reducing valve body 1 is movably connected, and the adjustable pressure-reducing valve body 1 as a whole can slide on the outer wall of the vertical foot rod 213 through the movable seat 21. At the same time, the elastic member 212 is compressed, and the elastic member 212 can produce elastic deformation, thereby realizing the function of buffering and protecting the adjustable pressure-reducing valve body 1 as a whole. The elastic plastic clip 214 is pulled out from the top of the vertical foot rod 213, and then the movable seat 21 can be pulled out from the outer wall of the vertical foot rod 213, so that the user can disassemble and maintain the adjustable pressure-reducing valve body 1 as a whole.

[0024] Working principle: connect the medium delivery pipeline to the input pipe 29 and the output pipe 11. Through the operation of the adjustable pressure reducing valve body 1, the medium output from the output pipe 11 can be decompressed. Before the medium enters the adjustable pressure reducing valve body 1, the medium is filtered by the filter cartridge 284. If it is necessary to maintain the filter cartridge 284 connected to the second valve tube group 27, close the second valve tube group 27 and open the first valve tube group 26. If it is necessary to maintain the filter cartridge 284 connected to the first valve tube group 26, close the first valve tube group 26 and open the second valve tube group 27. During maintenance, pull the pin 287 out of the closing cover 285 and the fixing block 286, then rotate the closing cover 285 at the top of the filter bin 28 to open it, and then rotate the filter cartridge 284 to disassemble and clean it.

[0025] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. An adjustable filter pressure reducing valve, comprising an adjustable pressure reducing valve body (1), characterized in that: The right side of the adjustable pressure reducing valve body (1) is fixedly connected to an output pipe (11), the bottom and left side of the adjustable pressure reducing valve body (1) are provided with a filtering protection mechanism (2), the filtering protection mechanism (2) comprises a movable seat (21), the movable seat (21) is fixedly mounted on the bottom of the adjustable pressure reducing valve body (1), a support shaft (22) located on the left side of the adjustable pressure reducing valve body (1) is fixedly mounted on the top of the movable seat (21), and the outer wall of the support shaft (22) A support arm (23) is welded on the top, and the ends of the two support arms (23) located in the front-to-back direction are fixedly mounted with a filter bin (28), an inclined plate (281) is fixedly mounted on the inner wall of the filter bin (28), a limiting block (282) is welded on the right side of the inclined plate (281), a notched ring (283) is detachably connected between the inclined plate (281) and the limiting block (282), and a filter cartridge (284) is fixedly connected to the right side of the notched ring (283).

2. The adjustable filter pressure reducing valve according to claim 1, characterized in that: The top of the filter bin (28) is rotatably connected to a closing cover (285), the bottom of the closing cover (285) is movably connected to the top of the filter bin (28), a fixing block (286) is fixedly installed on the top of the filter bin (28), and a pin rod (287) is detachably connected to the inner walls of the closing cover (285) and the fixing block (286).

3. The adjustable filter pressure reducing valve according to claim 2, characterized in that: A square tube 1 (24) is fixedly installed on the left side of the support arm (23) located on the left, and a square tube 2 (25) is fixedly installed on the right side of the support arm (23) located on the right. The square tube 2 (25) is fixedly connected to the left side of the adjustable pressure reducing valve body (1), and an input pipe (29) is fixedly connected to the left side of the square tube 1 (24).

4. The adjustable filter pressure reducing valve according to claim 3, characterized in that: The back sides of the square tube one (24) and the square tube two (25) are fixedly connected with a first valve tube group (26), and the filter bin (28) is fixedly connected between the ends of the two first valve tube groups (26). The front sides of the square tube one (24) and the square tube two (25) are fixedly connected with a second valve tube group (27), and the filter bin (28) is fixedly connected between the ends of the two second valve tube groups (27).

5. The adjustable filter pressure reducing valve according to claim 1, characterized in that: The filtering protection mechanism (2) further comprises a positioning base (211), the top of the positioning base (211) is fixedly connected to an elastic member (212), and the top of the elastic member (212) is movably connected to the bottom of the movable seat (21).

6. The adjustable filter pressure reducing valve according to claim 5, characterized in that: A vertical foot rod (213) is welded to the top of the positioning base (211), and the outer wall of the vertical foot rod (213) is slidably connected to the inner wall of the movable seat (21).

7. The adjustable filter pressure reducing valve according to claim 6, characterized in that: A slot is provided at the top of the vertical foot rod (213), an elastic plastic clip strip (214) is movably inserted into the inner cavity of the slot, and the bottom of the elastic plastic clip strip (214) is movably connected to the top of the movable seat (21).

Citation Information

Patent Citations

  • Pressure reducing valve

    CN221075386U