Pressure protection device for water supply network

Abstract

The utility model relates to the field of water supply network pressure protection, in particular to a water supply network pressure protection device. Comprising a body, a fixed rod is arranged at the center in a cavity of the body, a plurality of sets of buffering components are distributed on a rod arm of the fixed rod at equal intervals in the vertical direction, blades of the buffering components are rubber soft bodies, the rubber soft bodies are fan-blade-shaped, a pressure measuring assembly is arranged under the buffering components, and the pressure measuring assembly comprises a pressure gauge. Water flow is buffered and decompressed by the buffering parts uniformly distributed on the rod arm of the fixed rod through the fan-shaped rubber structure and then flows to the pressure gauge, when the pressure gauge reaches a peak value, the water flow in the body cavity is shunted by the shunting pipes communicated with the two sides of the top of the body, so that the water flow flows into the water storage parts on the two sides, and when the peak value of the pressure gauge is reduced, the water flow is discharged. And a return valve in the water storage part enables the water to flow back into the body. The water flow is buffered and shunted, the impact of the water flow is reduced, and the protection performance of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of water supply pipe network pressure protection, and particularly relates to a water supply pipe network pressure protection device. Background Art

[0002] In the field of water supply equipment, non-negative pressure water supply equipment has appeared. This non-negative pressure water supply equipment directly uses the municipal pipeline network as the water source to form a continuous and closed relay booster water supply method.

[0003] After searching, the cited announcement number is CN218814014U, the announcement date is 2023-04-07, and the name is an overpressure protection device and water supply equipment, including a pressurized pipeline and at least one user water supply pipeline connected to the pressurized pipeline, the pressurized pipeline is connected to the tap water network; the user water supply pipeline has a pressure reducing valve, a solenoid valve, a pressure sensor, a safety valve, a water use end and a controller; the pressure reducing valve, solenoid valve, pressure sensor, and safety valve are connected in series between the pressurized pipeline and the water use end; the pressure sensor and the solenoid valve are both connected to the controller; in this embodiment, the occurrence of pipe burst accidents is prevented by two methods: feedback adjustment of the solenoid valve state by the pressure sensor and pressure release by the safety valve, which has higher reliability compared with the prior art.

[0004] The above embodiment still has the following defects:

[0005] When the above-mentioned embodiment is in operation, the pressure measuring component is not easy to disassemble and inspect, and is prone to dangers such as damage to the inspection component and water flow impact. When the pressure measuring component is damaged, the water flow cannot be diverted, which reduces the convenience of the device and causes its safety performance to decline. Utility Model Content

[0006] In view of the above problems, the utility model provides a water supply network pressure protection device. It comprises a body, a fixed rod is arranged at the center of the body cavity, and the fixed rod arm has several groups of buffer components evenly spaced along the vertical direction, and the blades of the buffer components are rubber soft bodies, and the rubber soft bodies are fan-shaped, and a pressure measuring assembly is arranged directly below the buffer components, and the pressure measuring assembly comprises a pressure gauge, and the pressure gauge, a scale plate is installed on the bottom plate of the pressure gauge cavity, and a pointer is arranged at the center of the scale plate, and the pointer slides and fits on the surface of the scale plate, and a glass fixing piece is installed on the top of the pressure gauge, and the glass fixing piece is movably clamped with glass, and a glass explosion-proof film is attached to the surface of the glass;

[0007] A pressure gauge connecting pipe is connected to one side of the pressure gauge, a valve connecting piece is sleeved on the wall of the pressure gauge connecting pipe, a valve is installed at one end of the pressure gauge connecting pipe away from the valve connecting piece, a valve stem is provided on one side of the valve, and a valve connecting pipe is provided at one end of the valve away from the pressure gauge.

[0008] Furthermore, the other end of the valve connecting pipe is connected with a fastening bolt, and the end of the fastening bolt away from the valve connecting pipe is provided with a connecting thread.

[0009] Furthermore, a fixed pipe fitting is provided below the pressure gauge, and the fixed pipe fitting is fixedly connected to the surface of the body.

[0010] Furthermore, a servo motor is installed on the top of one side of the main body, and a rotating rod is transmission-connected to the output end of the servo motor.

[0011] Furthermore, a threaded opening is provided on the side wall of the rotating rod at the same level as the pressure gauge, and the threaded opening is threadedly connected to the connecting thread.

[0012] Furthermore, a group of water storage components are respectively provided on both sides of the top of the main body, and a group of manifolds are connected to the junction of each group of water storage components and the main body.

[0013] Furthermore, a slow-flow component is installed on the wall of the diversion pipe, and a group of water storage tanks is installed at the bottom of each group of water storage components.

[0014] Furthermore, a reflux valve is arranged inside the water storage tank, and the reflux valve is an induction setting.

[0015] The beneficial effects of the utility model are:

[0016] 1. The buffer components evenly distributed on the fixed rod arm use the fan-shaped rubber structure to buffer and decompress the water flow and then flow to the pressure gauge. When the pressure gauge reaches the peak value, the diversion pipes connected to the two sides of the top of the main body divert the water flow in the main body cavity to flow into the water storage components on both sides. When the peak value of the pressure gauge decreases, the reflux valve in the water storage component makes it flow back into the main body. The purpose of buffering and diverting the water flow and reducing the impact of the water flow is achieved, and the protection performance of the device is improved.

[0017] 2. The pressure measuring assembly is connected to the rotating rod through threads. When the pressure gauge is damaged and needs to be replaced, the servo motor on the top of the rotating rod is started to drive it to rotate, thereby unscrewing the pressure gauge, achieving the purpose of facilitating its replacement and improving the compatibility of the device.

[0018] Other features and advantages of the utility model will be described in the following description and understood by implementing the utility model. The purpose and other advantages of the utility model can be achieved and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A schematic structural diagram of a water supply network pressure protection device according to an embodiment of the utility model is shown;

[0021] Figure 2 A schematic structural diagram of a pressure measuring device according to an embodiment of the utility model is shown;

[0022] Figure 3 A front cross-sectional schematic diagram of a water supply network pressure protection device according to an embodiment of the utility model is shown.

[0023] In the figure: 1. body; 2. fastening bolts; 3. pressure gauge connecting pipe; 4. connecting thread; 5. valve connecting pipe; 6. valve; 7. valve stem; 8. valve connecting piece; 9. scale plate; 10. pressure gauge; 11. pointer; 12. glass fixing piece; 13. glass; 14. fixed rod; 15. fixing pipe fitting; 16. water storage part; 17. buffer part; 18. water storage tank; 19. rotating rod. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment 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.

[0025] The present utility model provides a water supply network pressure protection device, which is exemplarily as follows: Figure 1 , Figure 2 and Figure 3 As shown, it includes a main body 1, a fixed rod 14 is arranged at the center of the cavity of the main body 1, and the rod arm of the fixed rod 14 is evenly spaced along the vertical direction. A plurality of groups of buffer components 17 are distributed, and the blades of the buffer component 17 are rubber soft bodies, and the rubber soft bodies are fan-shaped.

[0026] A pressure measuring assembly is arranged directly below the buffer component 17, and the pressure measuring assembly includes a pressure gauge 10. The pressure gauge 10 has a scale plate 9 installed on the bottom plate of the cavity of the pressure gauge 10, and a pointer 11 is arranged at the center of the scale plate 9, and the pointer 11 is slidably attached to the surface of the scale plate 9. A glass fixing part 12 is installed on the top of the pressure gauge 10, and the glass fixing part 12 is movably clamped with a glass 13. The surface of the glass 13 is attached with a glass explosion-proof film.

[0027] One side of the pressure gauge 10 is connected to a pressure gauge connecting pipe 3, and a valve connector 8 is sleeved on the wall of the pressure gauge connecting pipe 3. A valve 6 is installed at one end of the pressure gauge connecting pipe 3 away from the valve connector 8, and a valve stem 7 is provided on one side of the valve 6. A valve connecting pipe 5 is provided at one end of the valve 6 away from the pressure gauge 10, and a fastening bolt 2 is connected to the other end of the valve connecting pipe 5. A connecting thread 4 is installed at one end of the fastening bolt 2 away from the valve connecting pipe 5, and a fixing pipe 15 is provided below the pressure gauge 10, and the fixing pipe 15 is fixedly clamped on the surface of the body 1.

[0028] A servo motor is installed on the top of one side of the body 1, and the output end of the servo motor is connected to a rotating rod 19 in transmission. A threaded opening is opened on the side wall of the rotating rod 19 at the same level as the pressure gauge 10, and the threaded opening is threadedly connected to the connecting thread 4.

[0029] A group of water storage components 16 are respectively provided on both sides of the top of the main body 1, and each group of the water storage components 16 is connected to a group of diversion pipes at the junction with the main body 1, and a slow-flow component is installed on the wall of the diversion pipe.

[0030] A water tank 18 is installed at the bottom of each group of water storage components 16. A reflux valve is arranged inside the water tank 18, and the reflux valve is an induction setting.

[0031] How it works

[0032] When water flows through the main body 1, the buffer components 17 evenly distributed on the arms of the fixed rods 14 buffer and decompress the water flow through the fan-shaped rubber structure, and then the water flows to the pressure gauge 10. When the pressure gauge 10 reaches a peak value, the diversion pipes connected to the two sides of the top of the main body 1 divert the water flow in the cavity of the main body 1 to flow into the water storage components 16 on both sides. When the peak value of the pressure gauge 10 decreases, the reflux valve in the water storage component 16 causes it to flow back to the main body 1.

[0033] The pressure measuring assembly is threadedly connected to the rotating rod 19. When the pressure gauge 10 is damaged and needs to be replaced, the servo motor on the top of the rotating rod 19 is started to drive it to rotate, so that the pressure gauge 10 is screwed out and replaced.

[0034] 1. The buffer components 17 evenly distributed on the arm of the fixed rod 14 use a fan-shaped rubber structure to buffer and decompress the water flow and then flow to the pressure gauge 10. When the pressure gauge 10 reaches a peak value, the diversion pipes connected to the two sides of the top of the main body 1 divert the water flow in the cavity of the main body 1 to flow into the water storage components 16 on both sides. When the peak value of the pressure gauge 10 decreases, the reflux valve in the water storage component 16 returns it to the main body 1. The purpose of buffering and diverting the water flow, reducing the impact of the water flow, and improving the protection performance of the device.

[0035] 2. The pressure measuring assembly is threadedly connected to the rotating rod 19. When the pressure gauge 10 is damaged and needs to be replaced, the servo motor on the top of the rotating rod 19 is started to drive it to rotate, thereby unscrewing the pressure gauge 10, thereby facilitating its replacement and improving the compatibility of the device.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A water supply network pressure protection device, comprising a body (1), Features: A fixed rod (14) is arranged at the center of the cavity of the body (1), and a plurality of groups of buffer components (17) are evenly spaced along the vertical direction on the rod arm of the fixed rod (14), and the blades of the buffer components (17) are rubber soft bodies, and the rubber soft bodies are fan-shaped. A pressure measuring assembly is arranged directly below the buffer components (17), and the pressure measuring assembly comprises a pressure gauge (10), and a scale plate (9) is installed on the bottom plate of the cavity of the pressure gauge (10), and a pointer (11) is arranged at the center of the scale plate (9), and the pointer (11) is slidably fitted on the surface of the scale plate (9); a glass fixing part (12) is installed on the top of the pressure gauge (10), and a glass (13) is movably clamped on the glass fixing part (12); and a glass explosion-proof film is attached to the surface of the glass (13); One side of the pressure gauge (10) is connected to a pressure gauge connecting pipe (3), and a valve connecting piece (8) is sleeved on the wall of the pressure gauge connecting pipe (3). A valve (6) is installed at the end of the pressure gauge connecting pipe (3) away from the valve connecting piece (8), and a valve stem (7) is provided on one side of the valve (6). The end of the valve (6) away from the pressure gauge (10) is provided with a valve connecting pipe (5).

2. The water supply network pressure protection device according to claim 1, Features: The other end of the valve connecting pipe (5) is connected to a fastening bolt (2), and the end of the fastening bolt (2) away from the valve connecting pipe (5) is provided with a connecting thread (4).

3. The water supply network pressure protection device according to claim 2, Features: A fixed pipe (15) is provided below the pressure gauge (10), and the fixed pipe (15) is fixedly clamped on the surface of the body (1).

4. The water supply network pressure protection device according to claim 3, Features: A servo motor is installed on the top of one side of the body (1), and a rotating rod (19) is transmission-connected to the output end of the servo motor.

5. The water supply network pressure protection device according to claim 4, Features: A threaded opening is provided on the side wall of the rotating rod (19) at the same level as the pressure gauge (10), and the threaded opening is threadedly connected to the connecting thread (4).

6. The water supply network pressure protection device according to claim 5, Features: A group of water storage components (16) are respectively provided on both sides of the top of the main body (1), and each group of water storage components (16) is connected to a group of manifolds at the junction with the main body (1).

7. The water supply network pressure protection device according to claim 6, Features: A slow-flow component is installed on the wall of the diversion pipe, and a group of water storage tanks (18) is installed at the bottom of each group of water storage components (16).

8. The water supply network pressure protection device according to claim 7, Features: A reflux valve is arranged inside the water storage tank (18), and the reflux valve is an induction arrangement.

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