Pressure reducing valve with filtering function

Abstract

The pressure reducing valve with the filtering function comprises a pressure reducing valve body, a water outlet pipe is arranged at one end of the pressure reducing valve body, a connecting pipe is arranged at the other end of the pressure reducing valve body, and the pressure reducing valve further comprises a sealing supporting mechanism and a filtering cleaning mechanism which are arranged on the connecting pipe. The sealing supporting mechanism comprises a rubber pipe, a supporting cylinder and a sealing assembly, the rubber pipe is arranged on the connecting pipe, a clamping groove is formed in the rubber pipe, the supporting cylinder is movably inserted into the connecting pipe, the tail end of the supporting cylinder is movably inserted into the clamping groove, and the sealing assembly is arranged at the tail end of the connecting pipe; the filtering and cleaning mechanism comprises a filter screen and a cleaning assembly, the filter screen is arranged on the side wall of the supporting cylinder, and the cleaning assembly is arranged on the supporting cylinder. The utility model belongs to the technical field of pressure reducing valves, and particularly relates to a pressure reducing valve with a filtering function, which can clean a filter screen and is convenient to disassemble.

Description

Technical Field

[0001] The utility model belongs to the technical field of pressure reducing valves, in particular to a pressure reducing valve with a filtering function. Background Art

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

[0003] The patent with publication number CN218152538U discloses a pressure reducing valve with a filtering function, comprising a pressure reducing valve body, a water inlet channel and a water outlet channel radially arranged in the pressure reducing valve body, a valve seat arranged in the pressure reducing valve body between the water inlet channel and the water outlet channel, a first valve plate slidably arranged between the water inlet channel and the water outlet channel for cooperating with the valve seat to control the opening and closing of the fluid, a valve stem arranged on the first valve plate and passing upwardly out of the pressure reducing valve body, and an upper valve cap detachably arranged on the pressure reducing valve body, the upper valve cap being provided with a accommodating cavity for accommodating the end of the valve stem passing upwardly out of the pressure reducing valve body, a connecting end for connecting an external water pipe being detachably arranged at the end of the pressure reducing valve body having the water outlet channel, a filtering device for filtering impurities in the fluid being arranged between the connecting end and the pressure reducing valve body, and a sealing device for sealing the water outlet channel being detachably arranged at the end of the pressure reducing valve body having the water outlet channel for sealing the water outlet channel after the filtering device is removed.

[0004] However, in actual use, impurities are easily accumulated on the filter due to long-term use, thereby reducing the filtering effect of the filter, so that the filter needs to be disassembled and cleaned after a period of use. The disassembly of the above device is relatively cumbersome and inconvenient to use. Utility Model Content

[0005] In order to solve the above-mentioned problem, the utility model provides a pressure reducing valve with a filtering function which can clean the filter screen and is easy to disassemble.

[0006] In order to achieve the above functions, the technical solution adopted by the utility model is as follows: a pressure reducing valve with a filtering function, comprising a pressure reducing valve body, one end of the pressure reducing valve body is provided with a water outlet pipe, the other end of the pressure reducing valve body is provided with a connecting pipe, and also comprising a sealing support mechanism and a filtering and cleaning mechanism arranged on the connecting pipe; the sealing support mechanism comprises a rubber tube, a supporting tube and a sealing assembly, the rubber tube is arranged on the connecting pipe, a card slot is arranged on the rubber tube, the supporting tube is movably inserted into the connecting pipe, the end of the supporting tube is movably inserted into the card slot, and the sealing assembly is arranged at the end of the connecting pipe; the filtering and cleaning mechanism comprises a filter screen and a cleaning assembly, the filter screen is arranged on the side wall of the supporting tube, and the cleaning assembly is arranged on the supporting tube.

[0007] Furthermore, the sealing assembly comprises a sealing ring and a sealing cover, wherein the sealing ring is arranged at the end of the connecting pipe, the sealing cover is threadedly connected to the end of the connecting pipe, and a top block is arranged on the sealing cover.

[0008] Furthermore, the cleaning assembly includes a connecting shaft and a brush plate, the connecting shaft is rotatably arranged on the support cylinder, the end of the connecting shaft is rotatably arranged on the filter screen, the connecting shaft is provided with a spiral blade, the brush plate is arranged on the connecting shaft, and the brush plate is arranged close to the filter screen.

[0009] Furthermore, a water inlet pipe is provided on the connecting pipe, and the side wall of the supporting tube is hollowed out.

[0010] Preferably, a pull-out handle is provided on the support tube.

[0011] Preferably, the rubber tube and the sealing ring are both made of soft rubber.

[0012] The utility model adopts the above structure to achieve the following beneficial effects: the utility model provides a pressure reducing valve with a filtering function, which can seal and support the support tube by arranging a rubber tube, utilizing a threaded connection cover and cooperating with a top block, so as to facilitate disassembly, and at the same time, a filter screen is arranged in the support tube to filter the liquid passing through, and by arranging spiral blades, the water flow can be used to drive the connecting shaft to rotate, thereby driving the brush plate to rotate, and the debris on the surface of the filter screen can be cleaned, thereby maintaining the filtering efficiency of the filter screen and extending the disassembly and cleaning cycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional structural diagram of a pressure reducing valve with filtering function proposed by the utility model;

[0014] Figure 2 This is a partial internal structure diagram of a pressure reducing valve with filtering function proposed by the utility model;

[0015] Figure 3 for Figure 2A partial enlarged view of point A in the middle.

[0016] Among them, 1. pressure reducing valve body, 2. water outlet pipe, 3. connecting pipe, 4. sealing support mechanism, 5. filter cleaning mechanism, 6. rubber tube, 7. support cylinder, 8. sealing assembly, 9. slot, 10. filter screen, 11. cleaning assembly, 12. sealing ring, 13. sealing cover, 14. top block, 15. connecting shaft, 16. brush plate, 17. spiral blade, 18. water inlet pipe, and 19. pull-out handle. DETAILED DESCRIPTION

[0017] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance. The present utility model is further described in detail below in conjunction with the accompanying drawings.

[0019] like Figure 1-3 As shown, the utility model proposes a pressure reducing valve with filtering function, including a pressure reducing valve body 1, one end of the pressure reducing valve body 1 is provided with a water outlet pipe 2, the other end of the pressure reducing valve body 1 is provided with a connecting pipe 3, and also includes a sealing support mechanism 4 and a filtering and cleaning mechanism 5 arranged on the connecting pipe 3; the sealing support mechanism 4 includes a rubber tube 6, a supporting cylinder 7 and a sealing assembly 8, the rubber tube 6 is arranged on the connecting pipe 3, a card slot 9 is provided on the rubber tube 6, the supporting cylinder 7 is movably inserted into the connecting pipe 3, the end of the supporting cylinder 7 is movably inserted into the card slot 9, and the sealing assembly 8 It is arranged at the end of the connecting pipe 3; the filtering and cleaning mechanism 5 includes a filter screen 10 and a cleaning component 11, the filter screen 10 is arranged on the side wall of the support tube 7, and the cleaning component 11 is arranged on the support tube 7. The support tube 7 is inserted into the connecting tube 3, and at the same time, the support tube 7 and the card groove 9 are engaged and sealed, and the sealing component 8 is adjusted to limit the position of the support tube 7 and seal the connecting tube 3. The liquid enters the support tube 7, pushing the cleaning component 11 to move, and the filter screen 10 is cleaned. Finally, the liquid flows into the pressure reducing valve body 1 and is discharged from the water outlet pipe 2 after adjusting the liquid flow pressure.

[0020] The sealing assembly 8 includes a sealing ring 12 and a sealing cover 13. The sealing ring 12 is arranged at the end of the connecting pipe 3. The sealing cover 13 is threadedly connected to the end of the connecting pipe 3. A top block 14 is provided on the sealing cover 13. The sealing cover 13 is rotated to cooperate with the sealing ring 12 to seal the end of the connecting pipe 3. At the same time, the top block 14 supports the support tube 7 to limit the support tube 7.

[0021] The cleaning assembly 11 includes a connecting shaft 15 and a brush plate 16. The connecting shaft 15 is rotatably arranged on the support cylinder 7. The end of the connecting shaft 15 is rotatably arranged on the filter screen 10. A spiral blade 17 is arranged on the connecting shaft 15. The brush plate 16 is arranged on the connecting shaft 15. The brush plate 16 is arranged close to the filter screen 10. When the liquid passes through the spiral blade 17, the spiral blade 17 is pushed to rotate and then the connecting shaft 15 is driven to rotate, so that the brush plate 16 cleans the impurities filtered from the surface of the filter screen 10.

[0022] A water inlet pipe 18 is provided on the connecting pipe 3 , and the side wall of the supporting tube 7 is hollowed out to facilitate liquid to enter the supporting tube 7 from the water inlet pipe 18 .

[0023] The support tube 7 is provided with a pull handle 19 to facilitate pushing and pulling the support tube 7 .

[0024] The rubber tube 6 and the sealing ring 12 are both made of soft rubber with good elasticity to ensure sealing performance.

[0025] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A pressure reducing valve with filtering function, characterized in that: It includes a pressure reducing valve body, one end of which is provided with a water outlet pipe, the other end of which is provided with a connecting pipe, and also includes a sealing support mechanism and a filtering and cleaning mechanism arranged on the connecting pipe; the sealing support mechanism includes a rubber tube, a supporting tube and a sealing assembly, the rubber tube is arranged on the connecting pipe, a slot is arranged on the rubber tube, the supporting tube is movably inserted into the connecting pipe, the end of the supporting tube is movably inserted into the slot, and the sealing assembly is arranged at the end of the connecting pipe; the filtering and cleaning mechanism includes a filter screen and a cleaning assembly, the filter screen is arranged on the side wall of the supporting tube, and the cleaning assembly is arranged on the supporting tube.

2. A pressure reducing valve with filtering function according to claim 1, characterized in that: The sealing assembly comprises a sealing ring and a sealing cover, wherein the sealing ring is arranged at the end of the connecting pipe, the sealing cover is threadedly connected to the end of the connecting pipe, and a top block is arranged on the sealing cover.

3. The pressure reducing valve with filtering function according to claim 2, characterized in that: The cleaning assembly includes a connecting shaft and a brush plate. The connecting shaft is rotatably arranged on the support cylinder. The end of the connecting shaft is rotatably arranged on the filter screen. The connecting shaft is provided with a spiral blade. The brush plate is arranged on the connecting shaft and is arranged close to the filter screen.

4. The pressure reducing valve with filtering function according to claim 3, characterized in that: The connecting pipe is provided with a water inlet pipe, and the side wall of the supporting tube is hollowed out.

5. The pressure reducing valve with filtering function according to claim 4, characterized in that: The support tube is provided with a pull handle.

6. The pressure reducing valve with filtering function according to claim 5, characterized in that: The rubber tube and the sealing ring are both made of soft rubber.

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