Pressure protection device for water supply network

Abstract

The utility model discloses a pressure protection device for a water supply pipe network, which comprises a water supply pipe and is characterized in that a water guide pipe is arranged on the surface of the lower end of the water supply pipe, a water return pipe is arranged on the upper surface of the water guide pipe, and a convex circular thread plug is in threaded connection with the surface of the inner side of the outer end of the water guide pipe. A pressure reducing spring is fixedly connected to the surface of the inner end of the convex circular threaded plug, a piston pressure reducing block is fixedly connected to the surface of the outer end of the pressure reducing spring, when the water pressure is too large, the piston pressure reducing block can be extruded to move, after movement, water flow can be shunted and decompressed from the recovery pipe, the position of the piston pressure reducing block can be adjusted, and the decompressed pressure can be adjusted; the machine is simple, low in cost and convenient to assemble, disassemble and maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to water supply network pressure protection device field more specifically, relate to a water supply network pressure protection device. BACKGROUND

[0002] Water supply network is the pipeline system of water supply project to the user and distribution of water, also known as water supply network. It includes water supply pipe channel, distribution network, booster pump station, water tower, pool and pipe network auxiliary facilities, etc. From the water source to the water plant pipe channel mainly plays the role of water supply, called water supply network; From the water plant pipe called distribution network, distribution network in the main role of water supply pipe called main pipe, from the main pipe branch pipe called distribution pipe, from the user branch pipe called user branch pipe, the main function of water supply network is to transport the water source from the water treatment and disinfection to the city and family water point, to ensure clean, safe water supply to thousands of households;

[0003] When the water supply network supplies water, because now more high-rise, need to pressurize water supply, its pressurization whole pressure in water supply network is big, it needs to set up pressure reducing device, avoid water pressure too big, lead to water pipe damage, water supply pressure reduction refers to in water supply system through the measures to reduce water pressure, make it reach appropriate level, to ensure the normal operation of water supply system and user's water demand, common water supply pressure reduction method includes the following several kinds: install pressure reducing valve: pressure reducing valve is a kind of commonly used water supply pressure reduction equipment, by adjusting water flow to reduce water pressure, pressure reducing valve is usually installed at the inlet or branch of water supply pipeline, rely on the energy of medium itself to keep the outlet pressure stable, install water pump: install water pump in water supply system can improve water pressure, make it reach appropriate level, water pump is usually installed at the outlet or high position of water supply pipeline, by increasing water pressure to meet the user's water demand, adjust pipe size: adjust pipe size in water supply pipeline can change water flow velocity and flow, to reduce water pressure, for example, increase pipe diameter or length can reduce water flow velocity and flow, to reduce water pressure, etc.

[0004] Its current pipe network pressure reducing device, such as authorized announcement No. CN222140198U the utility model relates to the water supply pipe network pressure protection field, especially relates to a water supply pipe network pressure protection device, including the body, the body cavity is provided with the fixed rod at the center, the fixed rod arm is along the vertical direction and is distributed with several groups of buffer components at equal intervals, the buffer component blade is rubber soft body, the rubber soft body is fan-shaped, the buffer component is below the pressure measuring assembly, the pressure measuring assembly includes a pressure gauge, through the buffer component that is evenly distributed on the fixed rod arm is relieved to the flow of water through the fan-shaped rubber structure, when the pressure gauge reaches the peak value, the shunt pipe that is communicated at the top of the body two sides is shunted to the water flow in the body cavity, makes it flow into two side water storage components, when the pressure gauge peak value decreases, the backflow valve in the water storage component makes it backflow to the body, reaches to the water flow is buffered and shunted, reduces the impact of water flow, improves the protection performance of the device;

[0005] Through shunting, but the performance of shunting is not fixed when the water pressure is different, and the pressure regulating capacity of the pressure regulating device cannot be adjusted, and the mechanism is complex, the cost is high, and the maintenance is inconvenient. Utility model content

[0006] In view of the problems in the prior art, the utility model aims at providing a water supply pipe network pressure protection device, which can be squeezed and moved by the piston pressure relief block when the water pressure is too large, the water flow can be shunted and relieved through the recovery pipe after moving, the position of the piston pressure relief block can be adjusted, the pressure of the relief can be adjusted, the mechanism is simple, the cost is low, and the device is convenient to assemble, disassemble and maintain.

[0007] To solve the above problems, the utility model adopts the following technical scheme.

[0008] A water supply pipe network pressure protection device, including a water supply pipe, characterized in that: the lower end surface of the water supply pipe is provided with a water guide pipe, the upper surface of the water guide pipe is provided with a backwater pipe, the inner side surface of the outer end of the water guide pipe is connected with a convex circular threaded plug through threads, the inner end surface of the convex circular threaded plug is fixedly connected with a pressure relief spring, and the outer end surface of the pressure relief spring is fixedly connected with a piston pressure relief block. When the water pressure is too large, the piston pressure relief block can be squeezed and moved, the water flow can be shunted and relieved through the recovery pipe after moving, the position of the piston pressure relief block can be adjusted, the pressure of the relief can be adjusted, the mechanism is simple, the cost is low, and the device is convenient to assemble, disassemble and maintain.

[0009] Further, the outer surface of the piston pressure relief block is sleeved with a rubber sealing ring, and the outer surface of the rubber sealing ring of the piston pressure relief block is tightly attached to the inner side surface of the water guide pipe.

[0010] Further, the piston pressure relief block adopts a circular block structure, two annular mounting grooves are formed in the outer surface of the piston pressure relief block, and the rubber sealing ring is sleeved on the inner side surface of the annular mounting groove.

[0011] Further, the outer surface of the convex circular threaded plug is provided with a hexagonal positioning groove.

[0012] Further, the outer surface of the convex circular threaded plug is provided with a hexagonal positioning groove.

[0013] Further, the outer surface of the convex circular threaded plug is provided with a hexagonal positioning groove.

[0014] Further, the convex circular threaded plug and the piston pressure relief block are made of stainless steel.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] (1) When the water pressure is too large, the piston pressure relief block can be extruded to move, and after moving, the water flow can be branched and reduced pressure from the recovery pipe, the position of the piston pressure relief block can be adjusted, the pressure of the pressure reduction can be adjusted, the machine is simple, the cost is low, and the assembly, disassembly, maintenance are convenient. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the first schematic view of the overall structure of the utility model;

[0018] Figure 2 It is the second schematic view of the overall structure of the utility model;

[0019] Figure 3 It is the cross-sectional view of the overall structure of the utility model;

[0020] Figure 4 It is the schematic view of the convex circular threaded plug of the utility model;

[0021] Figure 5 It is the schematic view of the piston pressure relief block of the utility model.

[0022] Explanation of reference numerals in the drawing:

[0023] 1 water guide pipe, 2 water supply pipe, 3 water recovery pipe, 4 convex circular threaded plug, 5 pressure relief spring, 6 piston pressure relief block, 7 rubber sealing ring, 60 annular mounting groove, 8 locking nut, 9 hexagonal positioning groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Embodiment 1

[0026] Please refer to Figures 1-5 A water supply network pressure protection device, including water supply pipe 2, the lower end surface of water supply pipe 2 is provided with water guide pipe 1, the upper surface of water guide pipe 1 is provided with backwater pipe 3, the inner side surface of the outer end of water guide pipe 1 is connected with convex round thread plug 4 through thread connection, the inner end surface of convex round thread plug 4 is fixedly connected with pressure relief spring 5, the outer end surface of pressure relief spring 5 is fixedly connected with piston pressure relief block 6;When water pressure is too large, the piston pressure relief block can be extruded and moved, and after moving, the water flow can be shunted and reduced pressure from the recovery pipe, the position of the piston pressure relief block can be adjusted, the pressure of the pressure reduction can be adjusted, the machine is simple, the cost is low, and the installation, disassembly and maintenance are convenient;

[0027] The outer surface of piston pressure relief block 6 is sleeved with rubber sealing ring 7, and the outer surface of rubber sealing ring 7 of piston pressure relief block 6 is tightly attached to the inner side surface of water guide pipe 1;Increase the sealing performance to prevent water leakage (rubber sealing ring has many important functions in the industrial field, including sealing, dustproof, waterproof, shock absorption, insulation and so on, these functions together ensure the normal operation of mechanical equipment, first of all, the sealing function is one of the most basic functions of rubber sealing ring, which can prevent liquid, gas or dust from leaking out of the joint part of the equipment, ensuring the sealing effect of hydraulic system, gas pipeline and other liquid transmission system, in addition, the waterproof function is particularly important in the scene where waterproof performance is required, to prevent water from penetrating into the equipment, avoid damaging the equipment or affecting the work efficiency);

[0028] Piston pressure relief block 6 adopts a circular block structure, two groups of annular mounting grooves 60 are formed in the outer surface of piston pressure relief block 6, and rubber sealing ring 7 is sleeved on the inner side surface of annular mounting groove 60;Convenient for rubber sealing ring 7 installation and use (rubber sealing ring 7 is made of neoprene, which has many advantages, including high elasticity, high insulation, high strength, oil resistance, solvent resistance, oxidation resistance, aging resistance, acid resistance, heat resistance, combustion resistance and flexure resistance and other characteristics. In addition, neoprene also has good adhesion, water resistance and air tightness, and is known as "universal rubber". It has large initial adhesion, high adhesion strength, and good medium resistance, can resist the erosion of oil, water and chemicals);

[0029] The outer surface of convex round thread plug 4 is connected with locking nut 8 through thread connection, and locking nut 8 is locked and fixed on the outer end face of water guide pipe 1;After adjusting the position of convex round thread plug 4, locking nut 8 is locked and fixed on the outer end of water guide pipe 1, which is fixed firmly and locked firmly;

[0030] The outer end surface of the convex circular threaded plug 4 is provided with a hexagonal positioning groove 9; when in use, a hexagonal socket wrench can be clamped into the hexagonal positioning groove 9 to rotate the convex circular threaded plug 4 to drive the convex circular threaded plug 4 to rotate and adjust the position, the convex circular threaded plug 4 can rotate to the left, when rotating to the left, the piston decompression block 6 can be driven to move to the left and be close to the water return pipe 3, when the water pressure extrudes the piston decompression block 6, the piston decompression block 6 can be quickly pushed away and quickly return water through the water return pipe 3 to reduce pressure (the water return pipe 3 can be connected to a water supply tank, and the return flow can be introduced into the water supply tank to facilitate pressure reduction), when the convex circular threaded plug 4 rotates to the right, the piston decompression block 6 can be driven to move to the right and be far away from the water return pipe 3, and the water pressure needs to be very large to extrude the piston decompression block 6 to move and be introduced into the water return pipe 3 to reduce pressure, so that the pressure value of pressure reduction can be adjusted conveniently and conveniently.

[0031] The outer surface of the locking nut 8 is covered with a rubber layer; the sealing performance is increased;

[0032] The convex circular threaded plug 4 and the piston decompression block 6 are made of stainless steel; rust is not generated (stainless steel has many benefits, including corrosion resistance, high strength, high temperature resistance, hygiene, aesthetics, environmental protection and wear resistance, the corrosion resistance of stainless steel enables it to remain stable in humid and corrosive environments, prolonging the service life, the high strength and high temperature resistance of stainless steel enable it to be widely used in structural engineering and high temperature equipment, the hygiene of stainless steel enables its surface to be smooth, not easy to attach bacteria and dirt, easy to clean and disinfect, suitable for medical, food processing and other fields, in addition, stainless steel has a beautiful appearance and modern sense, and is often used for building decoration and art production, stainless steel is a recyclable material, has good environmental protection, reduces resource waste and environmental pollution, and finally, the high wear resistance of stainless steel enables it to have important application in manufacturing wear-resistant parts and engineering structures);

[0033] The outer end inner surface of the water guide pipe 1 is connected with the convex circular threaded plug 4 through threads, the inner end surface of the convex circular threaded plug 4 is fixedly connected with the decompression spring 5, and the outer end surface of the decompression spring 5 is fixedly connected with the piston decompression block 6; the convex circular threaded plug 4 can be directly installed from the side of the water guide pipe 1 through threads, so that the installation is convenient, the disassembly is also convenient, the mechanism is simple, the cost is low, the installation and disassembly are convenient, and the maintenance is convenient.

[0034] The above is only a preferred specific embodiment of the present application; however, the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme of the present application and the improved conception thereof within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A water supply network pressure protection device, comprising a water supply pipe (2), characterized in that: The lower end surface of the water supply pipe (2) is provided with a water guide pipe (1), the upper surface of the water guide pipe (1) is provided with a return water pipe (3), the inner side surface of the outer end of the water guide pipe (1) is connected with a convex circular thread plug (4) by a thread, the inner end surface of the convex circular thread plug (4) is fixedly connected with a pressure relief spring (5), and the outer end surface of the pressure relief spring (5) is fixedly connected with a piston pressure relief block (6).

2. The water supply network pressure protection device according to claim 1, characterized in that: The outer surface of the piston pressure reducing block (6) is fitted with a rubber sealing ring (7), and the outer surface of the rubber sealing ring (7) of the piston pressure reducing block (6) is tightly attached to the inner surface of the water guide pipe (1).

3. The water supply network pressure protection device according to claim 1, characterized in that: The piston pressure relief block (6) adopts a circular block structure. Two sets of annular mounting grooves (60) are opened on the outer surface of the piston pressure relief block (6). The rubber sealing ring (7) is sleeved on the inner surface of the annular mounting groove (60).

4. A water supply network pressure protection device according to claim 1, characterized in that: The outer surface of the convex circular threaded plug (4) is connected to a locking nut (8) by a thread, and the locking nut (8) is locked and fixed to the outer end face of the water pipe (1).

5. A water supply network pressure protection device according to claim 1, characterized in that: The outer end surface of the convex circular thread plug (4) is provided with a hexagonal positioning groove (9).

6. A water supply network pressure protection device according to claim 4, characterized in that: The outer surface of the locking nut (8) is covered with a rubber layer.

7. A water supply network pressure protection device according to claim 1, characterized in that: The convex circular thread plug (4) and the piston pressure relief block (6) are made of stainless steel.

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