Pressure relief opening and closing device for water supply main pipe

By designing a water supply main pressure relief opening and closing device and utilizing the coordination of a bypass pipe and a manual gate valve, the problems of water resource waste and safety hazards in the existing technology are solved, water resource conservation and maintenance efficiency improvement are achieved, while the service life of the device is extended.

CN223317269UActive Publication Date: 2025-09-09TONGWEI COUNTY RURAL WATER SUPPLY SERVICE CO LTD
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Patent Information

Application Number
CN202422781354.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-09-09
Estimated Expiration
2034-11-14

AI Technical Summary

Technical Problem

The existing water supply main pressure relief method reduces pressure by direct drainage, which leads to waste of water resources, high costs and safety hazards, and may also destroy farmland and farm roads during the drainage process.

Method used

A water supply main pressure relief opening and closing device is designed, which includes a main pipeline opening and closing component and a pressure relief component. Through the cooperation of the bypass pipe and the manual gate valve, the bypass of water flow and the separation of sand and gravel are realized, the pressure of the main gate valve is reduced, and the support component is used to prevent the bypass pipe from being suspended and worn.

Benefits of technology

Effectively save water resources, improve maintenance efficiency, avoid soil erosion, extend the service life of the equipment and improve safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a water supply main pipe pressure relief opening and closing device which comprises a main pipe opening and closing assembly, a main pipe pressure relief opening and closing assembly, a main pipe pressure relief opening and closing assembly, a main pipe pressure relief opening and closing assembly and a main pipe pressure relief opening and closing assembly. The pressure relief assembly comprises connecting pipes, by-pass pipes, a manual gate valve, an inclined pipe and a plugging cover, the connecting pipes are fixed to the side edges of the two main pipelines and are close to the main gate valve, the by-pass pipes are fixed to the two connecting pipes through flanges and bolts, the manual gate valve is fixed between the two by-pass pipes, and the inclined pipe is fixed to the inclined pipe. The inclined pipe is fixed at the lower end of the by-pass pipe at the front end of the water flow direction manual gate valve; the problems that an existing pressure relief method adopts a direct drainage method, pipelines made of different materials are buried for drainage and pressure reduction, but the method wastes water resources and is high in cost, potential safety hazards exist, and farmland and agricultural roads are destroyed in the drainage process are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of water supply, in particular to a water supply main pressure relief opening and closing device. Background Art

[0002] In rural water supply projects, when pipelines need to be repaired or inspected, the valves at both ends of the repair or inspection area are first closed for repair or inspection. However, due to the large pressure difference in the pipeline at both ends of the gate valve, a pressure build-up phenomenon occurs, causing the valve to fail to open and close normally.

[0003] The existing pressure relief method is to use direct drainage, burying pipelines made of different materials to drain and reduce pressure. However, this method wastes water resources, is costly, and poses safety hazards. Farmland and farm roads are destroyed during the drainage process. Therefore, a water supply main pressure relief opening and closing device is needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a water supply main pressure relief opening and closing device to solve the problem raised in the above background technology. The existing pressure relief method is to use a direct drainage method to bury pipelines of different materials to drain and reduce pressure, but this method wastes water resources, is costly, has safety hazards, and can also destroy farmland and farm roads during the drainage process.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The utility model is a water supply main pressure relief opening and closing device, comprising:

[0007] A main pipeline opening and closing assembly, comprising a main pipeline and a main gate valve, wherein the main gate valve is fixed between the two main pipelines by a flange and bolts;

[0008] The pressure relief assembly includes a connecting pipe, a bypass pipe, a manual gate valve, an inclined pipe and a blocking cover. The connecting pipe is fixed on the sides of the two main pipes and close to the main gate valve. The bypass pipe is fixed to the two connecting pipes by flanges and bolts. The manual gate valve is fixed between the two bypass pipes. The inclined pipe is fixed at the lower end of the bypass pipe at the front end of the manual gate valve in the water flow direction. The blocking cover is screwed to the lower end of the inclined pipe.

[0009] Furthermore, the pressure relief assembly also includes a ring and a screw. The ring is fixed at the middle of the lower end of the sealing cover and is connected to the inclined tube. The screw is threaded into the ring.

[0010] Furthermore, the inclined tube is close to the manual gate valve, and its inclination direction is biased towards the manual gate valve.

[0011] Furthermore, it also includes a support assembly, which includes a first clamp and a second clamp. The first clamp is fixed to the two main pipes by bolts and is close to the main gate valve. The second clamp is fixed to the two bypass pipes by bolts and is close to the manual gate valve.

[0012] Furthermore, the support assembly also includes a connecting rod, a reinforcement plate and a through hole. One end of the connecting rod is welded to the middle of the side of the first clamp, the side of the reinforcement plate is respectively welded to the side of the first clamp and the side of the connecting rod, and the through hole is opened on the side of the connecting rod.

[0013] Furthermore, the support assembly also includes a telescopic block and an adjusting rod, one end of the adjusting rod is welded to the middle of the side of the second clamp, and the other end is plugged into the end of the connecting rod away from the first clamp.

[0014] Furthermore, one end of the telescopic block is movably connected to one end of the side of the adjusting rod, and the other end is inserted into the through hole.

[0015] Compared with the prior art, the advantages of the present invention are:

[0016] 1. The utility model, through the pressure relief component, when the maintenance is completed, first open the manual gate valve, if the pressure of the manual gate valve is also too large, the screw can be rotated to make the water flow out of the ring, and then rotate the manual gate valve. Once the manual gate valve is opened, the screw is immediately screwed on, and the water flows from one end of the main pipeline through the connecting pipe into the bypass pipe. When it flows into the other end of the main pipeline, the pressure of the main gate valve is reduced, and it can be opened and closed smoothly. The sand and gravel particles in the water flow with the water and fall into the inclined pipe. When the maintenance is completed, open the main gate valve, close the manual gate valve, and the mainstream passes through the main pipeline normally. When the sealing cover is unscrewed, the sand and gravel are flushed out, and the sealing cover is immediately closed to avoid excessive waste of water. This arrangement can, to a certain extent, save water resources, improve maintenance efficiency, and avoid soil erosion.

[0017] 2. The utility model sets a support component, installs the pressure relief component, pulls the adjusting rod, makes the first clamp and the second clamp just clamped on the main pipe and the bypass pipe, the telescopic block is engaged in the through hole, and the first clamp and the second clamp are fixed with bolts. This setting can support the bypass pipe, avoid long-term suspension, wear and fatigue, and affect service life and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the opening of the sealing ring and screw of the utility model;

[0021] Figure 3 This is a schematic diagram of the support assembly structure of the present utility model.

[0022] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0023] 10. Main pipeline; 11. Main gate valve; 20. Connecting pipe; 21. Bypass pipe; 22. Manual gate valve; 23. Inclined pipe; 24. Blocking cover; 25. Ring; 26. Screw; 30. First clamp; 31. Second clamp; 32. Connecting rod; 33. Reinforcement plate; 34. Through hole; 35. Telescopic block; 36. Adjusting rod. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0027] See also Figure 1-2 As shown, this embodiment is a water supply main pressure relief opening and closing device, comprising:

[0028] The main pipeline opening and closing assembly includes a main pipeline 10 and a main gate valve 11. The main gate valve 11 is fixed between the two main pipelines 10 by flanges and bolts;

[0029] The main pipe 10 provides a water flow channel, and the main gate valve 11 is used to open and close the main pipe 10.

[0030] The pressure relief assembly includes a connecting pipe 20, a bypass pipe 21, a manual gate valve 22, an inclined pipe 23 and a blocking cover 24. The connecting pipe 20 is fixed to the sides of the two main pipes 10 and close to the main gate valve 11. The bypass pipe 21 is fixed to the two connecting pipes 20 by flanges and bolts. The manual gate valve 22 is fixed between the two bypass pipes 21. The inclined pipe 23 is fixed to the lower end of the bypass pipe 21 at the front end of the manual gate valve 22 in the water flow direction. The blocking cover 24 is screwed to the lower end of the inclined pipe 23;

[0031] The pressure relief assembly further includes a ring 25 and a screw 26. The ring 25 is fixed to the middle of the lower end of the blocking cover 24 and is connected to the inclined tube 23. The screw 26 is screwed into the ring 25.

[0032] The inclined pipe 23 is close to the manual gate valve 22 and its tilting direction is biased towards the manual gate valve 22;

[0033] The connecting pipe 20 plays a connecting role, the bypass pipe 21 provides a water flow channel, the manual gate valve 22 is used to open and close the bypass pipe 21, the inclined pipe 23 is used to receive sand and gravel to prevent the manual gate valve 22 from being blocked, the blocking cover 24 plays a sealing role, the ring 25 plays a connecting role, and the screw 26 plays a sealing role.

[0034] Working principle:

[0035] A bypass pipe 21 is set at 50-60cm on both sides of the main gate valve 11 of the water supply main pipeline 10, and a manual gate valve 22 is installed in the middle of the bypass pipe 21. The diameter of the bypass pipe 21 is 1 / 4 of the diameter of the main pipeline 10. The steel pipe of the bypass pipe 21 adopts an internal and external anti-corrosion seamless steel pipe (6.0mm, and the manual gate valve 22 is a steel valve. When the maintenance is completed, first open the manual gate valve 22. If the pressure of the manual gate valve 22 is also too high, the screw 26 can be turned to make the water flow out from the ring 25, and then the manual gate valve 22 is turned. Once the manual gate valve 22 is opened, the screw 26 is immediately screwed on. The water flows from one end of the main pipeline 10 through the connecting pipe 20 into the bypass pipe 21. When it flows into the other end of the main pipeline 10, the pressure of the main gate valve 11 is reduced and it can be opened and closed smoothly. The sand and gravel particles in the water flow flow with the water and fall into the inclined pipe 23.

[0036] When the maintenance is completed, the main gate valve 11 is opened and the manual gate valve 22 is closed. Water flows normally through the main pipe 10. When the blocking cover 24 is unscrewed, the sand and gravel are flushed out, and the blocking cover 24 is immediately closed to avoid excessive waste of water.

[0037] This step can, to a certain extent, save water resources, improve maintenance efficiency, and avoid soil erosion.

[0038] See also Figure 3 This embodiment is based on the above embodiment and further includes:

[0039] The support assembly includes a first clamp 30 and a second clamp 31. The first clamp 30 is fixed to the two main pipes 10 by bolts and is close to the main gate valve 11. The second clamp 31 is fixed to the two bypass pipes 21 by bolts and is close to the manual gate valve 22.

[0040] The support assembly also includes a connecting rod 32, a reinforcing plate 33 and a through hole 34. One end of the connecting rod 32 is welded to the middle of the side of the first clamp 30. The sides of the reinforcing plate 33 are respectively welded to the side of the first clamp 30 and the side of the connecting rod 32. The through hole 34 is opened on the side of the connecting rod 32.

[0041] The support assembly also includes a telescopic block 35 and an adjusting rod 36. One end of the adjusting rod 36 is welded to the middle of the side of the second clamp 31, and the other end is inserted into the end of the connecting rod 32 away from the first clamp 30. One end of the telescopic block 35 is movably connected to one end of the side of the adjusting rod 36, and the other end is inserted into the through hole 34.

[0042] The first hoop 30 and the second hoop 31 play a connecting role, the connecting rod 32 plays a connecting role, the adjusting rod 36 plays an adjusting role, the reinforcing plate 33 can improve the strength of the connecting rod 32, and the through hole 34 and the telescopic block 35 play a connecting role.

[0043] Working principle:

[0044] After the pressure relief assembly is installed, pull the adjusting rod 36 at one end of the connecting rod 32 so that the first clamp 30 and the second clamp 31 are just stuck on the main pipe 10 and the bypass pipe 21, and the telescopic block 35 is engaged in the through hole 34. Fix the first clamp 30 and the second clamp 31 with bolts.

[0045] This step can support the bypass pipe 21 and prevent it from being suspended in the air for a long time, causing wear and fatigue, and affecting its service life and safety.

[0046] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0047] Finally, it should be noted that the above description is merely 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 will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A water supply main pressure relief opening and closing device, characterized in that: include: A main pipeline opening and closing assembly, the main pipeline opening and closing assembly comprising a main pipeline (10) and a main gate valve (11), the main gate valve (11) being fixed between two main pipelines (10) via a flange and bolts; A pressure relief assembly comprises a connecting pipe (20), a bypass pipe (21), a manual gate valve (22), an inclined pipe (23) and a blocking cover (24); the connecting pipe (20) is fixed on the sides of two main pipes (10) and close to the main gate valve (11); the bypass pipe (21) is fixed to the two connecting pipes (20) through flanges and bolts; the manual gate valve (22) is fixed between the two bypass pipes (21); the inclined pipe (23) is fixed to the lower end of the bypass pipe (21) at the front end of the manual gate valve (22) in the water flow direction; and the blocking cover (24) is screwed to the lower end of the inclined pipe (23).

2. A water supply main pressure relief opening and closing device according to claim 1, characterized in that: The pressure relief assembly further comprises a circular ring (25) and a screw (26). The circular ring (25) is fixed at the middle portion of the lower end of the blocking cover (24) and is communicated with the inclined tube (23). The screw (26) is screwed into the circular ring (25).

3. A water supply main pressure relief opening and closing device according to claim 1, characterized in that: The inclined tube (23) is close to the manual gate valve (22), and its inclined direction is biased towards the manual gate valve (22).

4. A water supply main pressure relief opening and closing device according to claim 1, characterized in that: The invention also includes a support assembly, wherein the support assembly includes a first clamp (30) and a second clamp (31), wherein the first clamp (30) is fixed to the two main pipes (10) by bolts and is close to the main gate valve (11), and the second clamp (31) is fixed to the two bypass pipes (21) by bolts and is close to the manual gate valve (22).

5. A water supply main pressure relief opening and closing device according to claim 4, characterized in that: The support assembly further comprises a connecting rod (32), a reinforcing plate (33) and a through hole (34); one end of the connecting rod (32) is welded to the middle of the side of the first hoop (30); the side of the reinforcing plate (33) is respectively welded to the side of the first hoop (30) and the side of the connecting rod (32); and the through hole (34) is opened on the side of the connecting rod (32).

6. A water supply main pressure relief opening and closing device according to claim 4, characterized in that: The support assembly further comprises a telescopic block (35) and an adjusting rod (36), one end of the adjusting rod (36) is welded to the middle of the side of the second hoop (31), and the other end is plugged into the end of the connecting rod (32) away from the first hoop (30).

7. A water supply main pressure relief opening and closing device according to claim 6, characterized in that: One end of the telescopic block (35) is movably connected to one end of the side of the regulating rod (36), and the other end is inserted into the through hole (34).