Replaceable flow reducing valve

Abstract

The utility model relates to the technical field of valves, and discloses a replaceable flow reducing valve which comprises a valve body, the inner wall of the valve body is fixedly connected with a limiting ring, the outer wall of the limiting ring is fixedly connected with a fixing block, a sliding groove is formed in the fixing block, a guide plate is arranged on the inner wall of the fixing block, and the guide plate is fixedly connected with the limiting ring. And the outer walls of the guide plates are slidably connected to the inner walls of the sliding grooves, clamping blocks are fixedly connected to the outer walls of the guide plates, the outer walls of the clamping blocks are slidably connected to the inner walls of the sliding grooves, and first springs are fixedly connected to the outer walls of the guide plates. According to the utility model, the grab handle drives the guide plate to move outwards through the pull plate so as to drive the clamping block to be separated from the mounting block to complete the disassembly of the butterfly plate, and the first spring rebounds to drive the clamping block to slide to the mounting block, so that the mounting block can be fixed to replace and mount parts such as the butterfly plate, and therefore, the purpose of replacing butterfly plates with different material specifications is achieved; therefore, different flow regulation and control requirements are met, and the flexibility and applicability of the valve are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a replaceable flow reducing valve. Background Art

[0002] A valve is a device used to control the flow of fluids (liquids, gases, steam, etc.). It is usually composed of a valve body, a valve cover, a valve core, a seal, an operating device, and other components. Its main functions include regulating flow, cutting off fluid, controlling flow direction, and protecting the safety of pipelines and equipment. Flow regulation is achieved by changing the opening of the valve. In order to select appropriate components and configurations according to specific flow control requirements to meet specific flow control needs, a replaceable flow reducing valve is proposed.

[0003] However, most valves currently require replacement of the entire valve once key components are damaged or worn, which results in high maintenance costs, long repair cycles, and possibly long downtime. It is also impossible to flexibly select components and configurations based on specific needs, and is unable to meet specific flow control needs. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a replaceable flow reducing valve, which aims to improve the problems of high maintenance cost, long repair cycle, and possible long downtime, inability to flexibly select components and configurations according to specific needs, and inability to meet specific flow control needs.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A replaceable flow reducing valve comprises a valve body, the inner wall of the valve body is fixedly connected to a limiting ring, the outer wall of the limiting ring is fixedly connected to a fixing block, a sliding groove is opened inside the fixing block, the inner wall of the fixing block is provided with a guide plate, the outer wall of the guide plate is slidably connected to the inner wall of the sliding groove, the outer wall of the guide plate is fixedly connected to a clamping block, the outer wall of the clamping block is slidably connected to the inner wall of the sliding groove, the outer wall of the guide plate is fixedly connected to a first spring, the outer wall of the first spring is fixedly connected to the inner wall of the sliding groove, the outer wall of the guide plate is fixedly connected to a pull plate, the outer wall of the pull plate is slidably connected to the inner wall of the fixing block, the outer wall of the pull plate is fixedly connected to a handle, the inner wall of the fixing block is provided with a clamping groove, the inner wall of the fixing block is fixedly connected to a sealing ring, and the upper surface of the limiting ring is provided with a mounting assembly.

[0007] Preferably, the mounting assembly comprises a mounting ring, the lower surface of the mounting ring is arranged on the upper surface of the limiting ring, the outer wall of the mounting ring is arranged on the inner wall of the valve body, and the inner wall of the mounting ring is fixedly connected with a sealing strip.

[0008] Preferably, the inner wall of the mounting ring is fixedly connected with a connecting column, the outer wall of the connecting column is fixedly connected with a butterfly plate, the bottom end of the connecting column is fixedly connected with a mounting block, and the outer wall of the mounting block is arranged on the inner wall of the slot.

[0009] Preferably, the upper surface of the mounting ring is fixedly connected to a sleeve shell, and the upper surface of the sleeve shell is fixedly connected to a first toothed disk.

[0010] Preferably, a rotating column is slidably connected inside the first toothed disk, and an adjusting disk is fixedly connected to the top end of the rotating column.

[0011] Preferably, a transmission rod is fixedly connected to the bottom end of the adjusting disk, and an outer wall of the transmission rod is rotatably connected to the inside of the mounting ring.

[0012] Preferably, a limit strip is provided on the outer wall of the transmission rod, the outer wall of the limit strip is fixedly connected to the inner wall of the connecting column, and the outer wall of the transmission rod is slidably connected to the inner wall of the connecting column.

[0013] Preferably, the outer wall of the rotating column is fixedly connected to a second toothed plate, the outer wall of the second toothed plate is slidably connected to the inner wall of the casing, the upper surface of the second toothed plate is arranged on the lower surface of the first toothed plate, the lower surface of the second toothed plate is provided with a second spring, and the bottom end of the second spring is fixedly connected to the inner wall of the casing.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the handle drives the guide plate to move outward on the inner wall of the slide groove through the pull plate, thereby driving the clamping block to detach from the upper surface of the mounting block, and then the butterfly plate can be disassembled, the outer wall of the mounting block is aligned with the clamping groove and slides downward, the first spring rebounds and drives the clamping block to slide to the upper surface of the mounting block, and then the mounting block is fixed to replace and install the butterfly plate and other components, so that the butterfly plate of different materials and specifications can be replaced to meet different flow regulation and control requirements, thereby improving the flexibility and applicability of the valve.

[0016] 2. In the utility model, pressing the adjusting disk can drive the rotating column to move downward, and the rotating column drives the upper surface of the second toothed plate to separate from the lower surface of the first toothed disk. Then, rotating the adjusting disk drives the transmission rod to rotate, and the adjusting disk drives the connecting column to rotate through the limit bar, thereby adjusting the rotation angle of the butterfly plate to adjust the flow of the valve body. Then, the adjusting disk is released, and the second spring drives the second toothed plate to fit with the first toothed disk, thereby fixing the rotation angle of the butterfly plate, thereby achieving the effect of maintaining the stable operation of the fluid system and improving the accuracy and reliability of flow regulation.

[0017] 3. In the utility model, by twisting the fixing bolts between the mounting ring and the limit ring and pulling the handle, the clamping block can slide on the inner wall of the slide groove, so that the butterfly plate can be quickly replaced. At the same time, the inner wall of the valve body can be opened to facilitate the replacement and maintenance of parts such as the sealing ring, thereby extending the service life of the valve and reducing the overall maintenance cost and downtime loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of a replaceable flow reducing valve proposed by the utility model;

[0019] Figure 2 A schematic diagram of a butterfly plate of a replaceable flow reducing valve proposed by the utility model;

[0020] Figure 3 This is a cross-sectional view of a fixed block of a replaceable flow reducing valve proposed by the utility model;

[0021] Figure 4 A schematic diagram of a limit strip of a replaceable flow reducing valve proposed by the utility model;

[0022] Figure 5 The utility model is a schematic diagram of the interior of a casing of a replaceable flow reducing valve.

[0023] Legend:

[0024] 1. Valve body; 2. Limiting ring; 3. Fixing block; 4. Slide groove; 5. Guide plate; 6. Block; 7. First spring; 8. Pull plate; 9. Handle; 10. Slot; 11. Sealing ring; 12. Mounting ring; 13. Sealing strip; 14. Connecting column; 15. Butterfly plate; 16. Mounting block; 17. Housing; 18. First toothed plate; 19. Rotating column; 20. Adjusting plate; 21. Transmission rod; 22. Limiting strip; 23. Second toothed plate; 24. Second spring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings of the specification of this utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only 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.

[0026] Reference Figure 1-Figure 3The utility model provides an embodiment: a replaceable flow reducing valve, comprising a valve body 1, the inner wall of the valve body 1 is fixedly connected to a limiting ring 2, the outer wall of the limiting ring 2 is fixedly connected to a fixing block 3, a slide groove 4 is provided inside the fixing block 3, a guide plate 5 is provided on the inner wall of the fixing block 3, the outer wall of the guide plate 5 is slidably connected to the inner wall of the slide groove 4, the outer wall of the guide plate 5 is fixedly connected to a clamping block 6, the outer wall of the clamping block 6 is slidably connected to the inner wall of the slide groove 4, the outer wall of the guide plate 5 is fixedly connected to a first spring 7, the outer wall of the first spring 7 is fixedly connected to The inner wall of the slide groove 4 and the outer wall of the guide plate 5 are fixedly connected with a pull plate 8, the outer wall of the pull plate 8 is slidably connected to the inner wall of the fixed block 3, the outer wall of the pull plate 8 is fixedly connected with a handle 9, a card slot 10 is opened inside the fixed block 3, a sealing ring 11 is fixedly connected to the inner wall of the fixed block 3, and an installation component is arranged on the upper surface of the limit ring 2; the installation component includes a mounting ring 12, the lower surface of the mounting ring 12 is arranged on the upper surface of the limit ring 2, the outer wall of the mounting ring 12 is arranged on the inner wall of the valve body 1, and the inner wall of the mounting ring 12 is fixedly connected with a sealing strip 13;

[0027] Specifically, the valve body 1 has a fixed supporting function for the limit ring 2, the limit ring 2 can support the position of the fixing block 3, and when the handles 9 at both ends of the fixing block 3 are pulled, the handles 9 can drive the guide plate 5 to move outward on the inner wall of the slide groove 4 through the pull plate 8, and then drive the outer wall of the clamping block 6 to separate from the upper surface of the mounting block 16, and then the butterfly plate 15 can be disassembled. When installing the butterfly plate 15, the outer wall of the mounting block 16 is aligned with the inner wall of the clamping groove 10 and slides downward. After sliding over the inclined surface of the clamping block 6, the first spring 7 rebounds and can drive the clamping block 6 to slide to the upper surface of the mounting block 16, and then the mounting block 16 can be fixed, which can facilitate disassembly and installation, and is more convenient for replacing and installing various components. The sealing ring 11 can ensure the sealing between the fixing block 3 and the valve body 1 to prevent the influence of water flow on other components. Then, the bolt is tightened to fix the position of the mounting ring 12, and the sealing strip 13 is used to ensure the sealing of the valve body 1.

[0028] Reference Figure 2-Figure 3 The inner wall of the mounting ring 12 is fixedly connected with a connecting column 14, the outer wall of the connecting column 14 is fixedly connected with a butterfly plate 15, the bottom end of the connecting column 14 is fixedly connected with a mounting block 16, and the outer wall of the mounting block 16 is arranged on the inner wall of the slot 10;

[0029] Specifically, the mounting ring 12 has a fixed support function for the connecting column 14, and the connecting column 14 can fix the position of the butterfly plate 15. The mounting block 16 can fix the position of the connecting column 14 through the slot 10, and then fix the position of the butterfly plate 15. The water flow rate in the valve body 1 can be adjusted by the rotation angle of the butterfly plate 15.

[0030] Reference Figure 2 , Figure 4 and Figure 5 , the upper surface of the mounting ring 12 is fixedly connected with a sleeve shell 17, and the upper surface of the sleeve shell 17 is fixedly connected with a first toothed disk 18; the interior of the first toothed disk 18 is slidably connected with a rotating column 19, and the top of the rotating column 19 is fixedly connected with an adjusting disk 20; the bottom end of the adjusting disk 20 is fixedly connected with a transmission rod 21, and the outer wall of the transmission rod 21 is rotatably connected to the interior of the mounting ring 12; the outer wall of the transmission rod 21 is provided with a limit strip 22, the outer wall of the limit strip 22 is fixedly connected to the inner wall of the connecting column 14, and the outer wall of the transmission rod 21 is slidably connected to the inner wall of the connecting column 14; the outer wall of the rotating column 19 is fixedly connected with a second toothed plate 23, the outer wall of the second toothed plate 23 is slidably connected to the inner wall of the sleeve shell 17, the upper surface of the second toothed plate 23 is arranged on the lower surface of the first toothed disk 18, and the lower surface of the second toothed plate 23 is provided with a second spring 24, and the bottom end of the second spring 24 is fixedly connected to the inner wall of the sleeve shell 17;

[0031] Specifically, the mounting ring 12 has a fixed support function for the housing 17, and the housing 17 can support the position of the first toothed disk 18. When the adjusting disk 20 is pressed, the rotating column 19 can be driven to slide inside the first toothed disk 18, and the adjusting disk 20 can drive the transmission rod 21 to rotate inside the mounting ring 12. At the same time, when the adjusting disk 20 is pressed, the rotating column 19 can be driven to slide downward inside the mounting ring 12. When the adjusting disk 20 is rotated, the transmission rod 21 can drive the connecting column 1 through the limit bar 22. 4 is rotated to adjust the rotation angle of the butterfly plate 15 to control the water flow rate. Pressing the adjusting disk 20 can drive the second toothed plate 23 to slide on the inner wall of the housing 17 through the rotating column 19. At the same time, after the adjusting disk 20 is released, the second spring 24 can rebound and drive the second toothed plate 23 to fit with the first toothed disk 18. The meshing connection between the first toothed disk 18 and the second toothed plate 23 can fix the rotation angle of the butterfly plate 15, thereby ensuring the stable flow output and maintaining the stable operation of the fluid system.

[0032] Working principle: When the valve is needed, the technician can press the adjusting disk 20, which can drive the rotating column 19 to move downward, and the rotating column 19 can drive the transmission rod 21 to slide on the inner wall of the connecting column 14. At the same time, the rotating column 19 can drive the second toothed plate 23 to slide on the inner wall of the sleeve 17, and then drive the upper surface of the second toothed plate 23 to separate from the lower surface of the first toothed disk 18. Then, the adjusting disk 20 is rotated, and the adjusting disk 20 can drive the transmission rod 21 to rotate, and the adjusting disk 20 can The limit bar 22 drives the connecting column 14 to rotate, thereby driving the butterfly plate 15 to rotate to adjust the flow of the valve body 1. Then, the adjusting disk 20 is loosened, and the second spring 24 rebounds to drive the second toothed plate 23 to fit with the first toothed plate 18, thereby fixing the rotation angle of the butterfly plate 15 to ensure the stability of the water pressure. When the butterfly plate 15 needs to be replaced or repaired, the fixing bolts between the mounting ring 12 and the limit ring 2 are screwed, and then the handles 9 at both ends of the fixing block 3 are gripped and moved outward at the same time. 9 can drive the guide plate 5 to move outward on the inner wall of the slide groove 4 through the pull plate 8, and then drive the outer wall of the block 6 to separate from the upper surface of the mounting block 16, and then complete the disassembly of the butterfly plate 15. When installing the butterfly plate 15, the outer wall of the mounting block 16 is aligned with the inner wall of the slot 10 and slides downward. After sliding over the inclined surface of the block 6, the first spring 7 rebounds and can drive the block 6 to slide to the upper surface of the mounting block 16, and then the mounting block 16 can be fixed, which can facilitate disassembly and installation, and is more convenient for replacing and installing various components. At the same time, the sealing ring 11 can ensure the sealing between the fixing block 3 and the valve body 1, and then the bolt is screwed to fix the position of the mounting ring 12, and the sealing strip 13 is used to ensure the sealing of the valve body 1. That is, the valve can not only achieve the replacement of butterfly plates 15 of different materials and specifications to meet different flow regulation and control requirements, improve the flexibility and applicability of the valve, but also ensure the stability of flow output, maintain the stable operation of the fluid system, and improve the accuracy and reliability of flow regulation.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A replaceable flow reducing valve, comprising a valve body (1), characterized in that: The inner wall of the valve body (1) is fixedly connected to a limit ring (2), the outer wall of the limit ring (2) is fixedly connected to a fixed block (3), a slide groove (4) is provided inside the fixed block (3), the inner wall of the fixed block (3) is provided with a guide plate (5), the outer wall of the guide plate (5) is slidably connected to the inner wall of the slide groove (4), the outer wall of the guide plate (5) is fixedly connected to a clamping block (6), the outer wall of the clamping block (6) is slidably connected to the inner wall of the slide groove (4), and the outer wall of the guide plate (5) is fixedly connected to the inner wall of the slide groove (4). A first spring (7) is connected, the outer wall of the first spring (7) is fixedly connected to the inner wall of the slide groove (4), the outer wall of the guide plate (5) is fixedly connected to a pull plate (8), the outer wall of the pull plate (8) is slidably connected to the inner wall of the fixed block (3), the outer wall of the pull plate (8) is fixedly connected to a handle (9), a slot (10) is provided inside the fixed block (3), a sealing ring (11) is fixedly connected to the inner wall of the fixed block (3), and a mounting assembly is provided on the upper surface of the limit ring (2).

2. A replaceable flow reducing valve according to claim 1, characterized in that: The mounting assembly comprises a mounting ring (12), the lower surface of the mounting ring (12) being arranged on the upper surface of the limiting ring (2), the outer wall of the mounting ring (12) being arranged on the inner wall of the valve body (1), and the inner wall of the mounting ring (12) being fixedly connected with a sealing strip (13).

3. A replaceable flow reducing valve according to claim 2, characterized in that: The inner wall of the mounting ring (12) is fixedly connected to a connecting column (14), the outer wall of the connecting column (14) is fixedly connected to a butterfly plate (15), the bottom end of the connecting column (14) is fixedly connected to a mounting block (16), and the outer wall of the mounting block (16) is arranged on the inner wall of the slot (10).

4. A replaceable flow reducing valve according to claim 3, characterized in that: The upper surface of the mounting ring (12) is fixedly connected to a sleeve shell (17), and the upper surface of the sleeve shell (17) is fixedly connected to a first toothed disk (18).

5. A replaceable flow reducing valve according to claim 4, characterized in that: A rotating column (19) is slidably connected inside the first toothed disk (18), and an adjusting disk (20) is fixedly connected to the top end of the rotating column (19).

6. A replaceable flow reducing valve according to claim 5, characterized in that: The bottom end of the adjustment disk (20) is fixedly connected to a transmission rod (21), and the outer wall of the transmission rod (21) is rotatably connected to the inside of the mounting ring (12).

7. A replaceable flow reducing valve according to claim 6, characterized in that: The outer wall of the transmission rod (21) is provided with a limit strip (22), the outer wall of the limit strip (22) is fixedly connected to the inner wall of the connecting column (14), and the outer wall of the transmission rod (21) is slidably connected to the inner wall of the connecting column (14).

8. A replaceable flow reducing valve according to claim 5, characterized in that: The outer wall of the rotating column (19) is fixedly connected to a second toothed plate (23), the outer wall of the second toothed plate (23) is slidably connected to the inner wall of the casing (17), the upper surface of the second toothed plate (23) is arranged on the lower surface of the first toothed plate (18), the lower surface of the second toothed plate (23) is provided with a second spring (24), the bottom end of the second spring (24) is fixedly connected to the inner wall of the casing (17).

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