Fire-fighting water supply device capable of adjusting water pressure

By setting a hollow cover and a heater on the surface of the water inlet pipe of the fire water supply equipment, the problem of the water inlet pipe icing in cold weather is solved, and efficient insulation and normal water supply of the equipment are achieved.

CN222990836UActive Publication Date: 2025-06-17JIANGSU HUASHAWATER SUPPLY & DRAINAGE TECH CO LTD
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Patent Information

Application Number
CN202422163383.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-04
Publication Date
2025-06-17
Estimated Expiration
2034-09-04

AI Technical Summary

Technical Problem

Existing fire water supply equipment can easily cause the water source inside the water inlet pipe to freeze in cold weather, causing blockage and affecting normal water supply.

Method used

A fire-fighting water supply device including a thermal insulation device is designed. By providing a hollow cover and a heater on the surface of the water inlet pipe, the heater provides heat, so that the temperature of the hollow cover increases, thereby intercepting the cold air outside and preventing the water source from freezing.

Benefits of technology

It effectively reduces the possibility of freezing of water sources inside the water inlet pipe, improves the working efficiency and insulation performance of water supply equipment in cold weather, and ensures normal water supply.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222990836U_ABST
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Abstract

The utility model provides a fire-fighting water supply device capable of adjusting water pressure, which relates to the technical field of water supply equipment and comprises a base, a frequency conversion control cabinet is arranged on one side of the base, a display screen is arranged on one side of the frequency conversion control cabinet, and a protective device is arranged on one side, close to the display screen, of the frequency conversion control cabinet. A pump machine is arranged on one side of the base, a water inlet pipe is arranged on one side of the pump machine, a heat preservation device for intercepting external cold air is arranged on one side of the water inlet pipe, a pressure measuring device is arranged on one side of the pump machine, and a water outlet pipe is arranged on one side of the pump machine. The temperature of the surface of the water inlet pipe can be increased, external cold air can be intercepted, the situation that cold air invades the water inlet pipe, a water source in the water inlet pipe is frozen, the interior of the water inlet pipe is blocked, and normal water supply is affected is reduced, and the heat preservation performance of the water inlet pipe and the working efficiency in cold weather are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of water supply equipment, in particular to a fire-fighting water supply device with adjustable water pressure. Background Technique

[0002] During the fire-fighting construction process of various building facilities, it is often necessary to install fire-fighting water supply equipment in specific areas. Among them, the intelligent constant-pressure variable-frequency fire-fighting water supply equipment is a widely used intelligent water supply equipment. The intelligent constant-pressure variable-frequency fire-fighting water supply equipment adopts variable-frequency speed regulation and automatic control technology to implement closed-loop control on the water pump unit in the water supply system. The number of water pumps and the rotation speed of the water pump motors in the water supply system are realized by the frequency converter and the programmable controller, so as to ensure that the water supply pressure of the entire water supply system is consistent with the set value.

[0003] In the process of using the existing fire-fighting water supply equipment that can be monitored in real time, the body is mostly installed in a specific area, and then the water inlet pipe on the body is connected to the external pipeline. The pump machine cooperates with the pressure stabilizing tank to control the water pressure and flow rate of the water source inside the water inlet pipe to make it reach a constant water pressure. At the same time, the pressure gauge monitors the water pressure inside the water inlet pipe in real time. When the water pressure changes, the data is transmitted to the staff in real time and the data is also transmitted to the variable-frequency control cabinet to perform secondary pressure control on the water source, realizing automatic and intelligent water pressure control.

[0004] However, since the water flow is mostly in a static state inside the water inlet pipe, it may cause the water source to freeze in cold weather, resulting in the water inlet pipe being blocked by ice and affecting the normal water supply. Content of the Utility Model

[0005] The purpose of the utility model is to solve the defects existing in the prior art, and to propose a fire-fighting water supply device with adjustable water pressure.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a fire-fighting water supply device with adjustable water pressure, including a base, a variable-frequency control cabinet is arranged on one side of the base, a display screen is arranged on one side of the variable-frequency control cabinet, a protection device is arranged on the side of the variable-frequency control cabinet close to the display screen, a pump machine is arranged on one side of the base, a water inlet pipe is arranged on one side of the pump machine, a heat preservation device for intercepting external cold air is arranged on one side of the water inlet pipe, a pressure gauge is arranged on one side of the pump machine, a water outlet pipe is arranged on one side of the pump machine, and a pressure stabilizing tank is arranged on one side of the base.

[0007] The effects achieved by the above components are as follows: First, the base is installed in a specific area, and then the water inlet pipe on the pump is connected to the external pipeline. The pump cooperates with the pressure stabilizing tank to control the water pressure and flow rate inside the water inlet pipe to make the water pressure constant. At the same time, the pressure gauge monitors the water pressure inside the water inlet pipe in real time. When the water pressure changes, the data is transmitted to the staff in real time and the data is also transmitted to the variable frequency control cabinet to perform secondary pressure control on the water source, realizing automatic and intelligent water pressure control. At the same time, the heat preservation device is used to intercept the external cold air and reduce the situation of the water source inside the water inlet pipe freezing.

[0008] Preferably, the heat preservation device includes a screw hole block and a hollow cover. The screw hole block is fixedly connected to the water inlet pipe. The hollow cover is sleeved on the surface of the water inlet pipe. One side of the hollow cover is fixedly connected with a round hole block. A bolt is arranged inside the round hole block. The surface of the bolt is threadedly connected with the inner wall of the screw hole block. One side of the hollow cover is fixedly connected with a heater. The output end of the heater is connected to the inner wall of the hollow cover. One side of the hollow cover close to the heater is fixedly connected with a handle, and a plurality of anti-slip protrusions are arranged inside the handle.

[0009] The effects achieved by the above components are as follows: By setting the heat preservation device, first manually move the handle, so that the handle drives the hollow cover to move, and the hollow cover drives the round hole block to move. When the hollow cover moves to the position sleeved on the surface of the water inlet pipe, the inner wall of the round hole block coincides with the inner wall of the screw hole block. At this time, manually rotate the bolt so that the bolt turns into the positions inside the round hole block and the screw hole block to fix the positions of the round hole block and the hollow cover, completing the connection and fixation of the hollow cover and the water inlet pipe. At this time, start the heater so that the heater provides heat to the inside of the hollow cover, and the heat is stored in the closed environment inside the hollow cover, making the temperature of the hollow cover itself rise and intercepting the external cold air, reducing the situation that the cold air invades the water inlet pipe, causing the water source inside the water inlet pipe to freeze and causing the inside of the water inlet pipe to be blocked, affecting the normal water supply, and improving the heat preservation performance of the water inlet pipe and the working efficiency in cold weather.

[0010] Preferably, a heat preservation board is fixedly connected to the surface of the hollow cover, and the cross section of the heat preservation board is arc-shaped.

[0011] The effects achieved by the above components are as follows: By setting the heat preservation board, the heat preservation board can block the external cold air and reduce the heat dissipation speed of the hollow cover, further improving the heat preservation effect on the water inlet pipe.

[0012] Preferably, a reinforcing rib is fixedly connected to one side of the hollow cover, and the reinforcing rib is arranged on the side of the hollow cover away from the heater.

[0013] The effects achieved by the above components are as follows: By setting the reinforcing ribs, the strength of the hollow cover on the side away from the heater can be increased, and the situation of the hollow cover breaking during the process of being clamped to the surface of the water inlet pipe can be reduced.

[0014] Preferably, one end of the bolt is fixedly connected with a screwing block, and a plurality of anti-slip strips are fixedly connected to the surface of the screwing block.

[0015] The effects achieved by the above components are as follows: By setting the screwing block, the contact area of the bolt can be increased, so that the operator can drive the bolt to rotate quickly by manually rotating the screwing block, improving the convenience of manually rotating the bolt.

[0016] Preferably, a plurality of iron rods are fixedly connected to the inner wall of the hollow cover, one side of each of the plurality of iron rods is fixedly connected with an iron sheet, each of the plurality of iron sheets is fixedly connected to the inner wall of the hollow cover, and a plurality of through holes are formed in one side of each of the plurality of iron sheets.

[0017] The effects achieved by the above components are as follows: By setting the iron rods and iron sheets, the heat supplied by the heater can be absorbed by the iron rods and iron sheets, and the heat can be quickly conducted to the hollow cover through the iron sheets and iron rods, improving the heating efficiency of the surface of the hollow cover on the surface of the water inlet pipe, and at the same time improving the heating efficiency of the heater inside the hollow cover.

[0018] Preferably, the protection device includes a U-shaped frame, the U-shaped frame is fixedly connected to the side of the frequency conversion control cabinet close to the display screen, the U-shaped frame wraps the display screen, a rectangular hole is formed in one side of the U-shaped frame, a round hole rod is slidably connected to the inner wall of the rectangular hole, an interception net is fixedly connected to the inner wall of the U-shaped frame, and the other end of the interception net is fixedly connected to the round hole rod.

[0019] The effects achieved by the above components are as follows: By setting the protection device, first manually move the round hole rod so that the round hole rod moves left and right along the inside of the rectangular hole, driving the interception net to move. When the round hole rod moves to an appropriate position, the interception net is completely opened, and the interception net cooperates with the U-shaped frame to completely cover the display screen and assist in intercepting external objects, reducing the situation that the display screen is damaged by the collision of external objects or sundries during use and affecting the use, and improving the use safety of the display screen.

[0020] Preferably, a positioning rod is fixedly connected to the inner wall of the U-shaped frame, and the surface of the positioning rod is slidably connected to the inner wall of the round hole rod.

[0021] The effects achieved by the above components are as follows: By setting the positioning rod, the positioning rod can assist in limiting the round hole rod, reducing the situation that the round hole rod shakes during the process of moving and using.

[0022] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0023] In the present utility model, by setting up a heat preservation device, the temperature of the surface of the water inlet pipe can be increased and the cold air from the outside can be intercepted, reducing the invasion of cold air into the water inlet pipe, preventing the water source inside the water inlet pipe from freezing and blocking the inside of the water inlet pipe, which affects the normal water supply, and improving the heat preservation performance of the water inlet pipe and the working efficiency in cold weather. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0025] Figure 2 is a partial structural schematic diagram of the hollow cover of the present utility model;

[0026] Figure 3 is a partial cross-sectional view of the hollow cover of the present utility model;

[0027] Figure 4 is the present utility model Figure 3 enlarged view of part A;

[0028] Figure 5 is a partial structural schematic diagram of the U-shaped frame of the present utility model.

[0029] Legend: 1, base; 2, variable frequency control cabinet; 3, display screen; 4, protection device; 41, U-shaped frame; 42, rectangular hole; 43, round hole rod; 44, interception net; 45, positioning rod; 5, pump; 6, water inlet pipe; 7, heat preservation device; 71, screw hole block; 72, round hole block; 73, hollow cover; 74, heater; 75, handle; 76, bolt; 77, screwing block; 78, heat preservation board; 79, reinforcing rib; 710, iron rod; 711, iron sheet; 712, through hole; 8, pressure gauge; 9, water outlet pipe; 10, pressure stabilizing tank. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] Refer to Figures 1-5As shown in the figure, this embodiment discloses a fire fighting water supply device with adjustable water pressure, which includes a base 1. On one side of the base 1, a variable frequency control cabinet 2 is provided. On one side of the variable frequency control cabinet 2, a display screen 3 is provided. On the side of the variable frequency control cabinet 2 close to the display screen 3, a protection device 4 is provided. On one side of the base 1, a pump 5 is provided. On one side of the pump 5, a water inlet pipe 6 is provided. On one side of the water inlet pipe 6, a heat preservation device 7 for intercepting external cold air is provided. On one side of the pump 5, a pressure gauge 8 is provided. On one side of the pump 5, a water outlet pipe 9 is provided. On one side of the base 1, a pressure stabilizing tank 10 is provided. First, install the base 1 in a specific area, and then connect the water inlet pipe 6 on the pump 5 to the external pipeline. The pump 5 cooperates with the pressure stabilizing tank 10 to control the water pressure and flow rate of the water source inside the water inlet pipe 6 to make it reach a constant water pressure. At the same time, the pressure gauge 8 monitors the water pressure inside the water inlet pipe 6 in real time. When the water pressure changes, it transmits the data to the staff in real time and transmits the data to the variable frequency control cabinet 2 at the same time to perform secondary pressure control on the water source, realizing automatic and intelligent water pressure control. At the same time, use the heat preservation device 7 to intercept the external cold air and reduce the situation of the water source inside the water inlet pipe 6 freezing.

[0031] Refer to Figure 2 、 Figure 3 and Figure 4 As shown in the figure, this embodiment discloses that the heat preservation device 7 includes a screw hole block 71 and a hollow cover 73. The screw hole block 71 is fixedly connected to the water inlet pipe 6. The hollow cover 73 is sleeved on the surface of the water inlet pipe 6. On one side of the hollow cover 73, a round hole block 72 is fixedly connected. Inside the round hole block 72, a bolt 76 is provided. The surface of the bolt 76 is threadedly connected to the inner wall of the screw hole block 71. On one side of the hollow cover 73, a heater 74 is fixedly connected. The output end of the heater 74 is connected to the inner wall of the hollow cover 73. On the side of the hollow cover 73 close to the heater 74, a handle 75 is fixedly connected. Inside the handle 75, a plurality of anti-slip protrusions are provided. By setting the heat preservation device 7, first manually move the handle 75, so that the handle 75 drives the hollow cover 73 to move, and the hollow cover 73 drives the round hole block 72 to move. When the hollow cover 73 moves to the position sleeved on the surface of the water inlet pipe 6, the inner wall of the round hole block 72 coincides with the inner wall of the screw hole block 71. At this time, manually rotate the bolt 76 so that the bolt 76 turns into the inside of the round hole block 72 and the screw hole block 71 to fix the position of the round hole block 72 and the hollow cover 73, completing the connection and fixation of the hollow cover 73 and the water inlet pipe 6. At this time, start the heater 74, so that the heater 74 provides heat to the inside of the hollow cover 73, so that the heat is stored in the closed environment inside the hollow cover 73, so that the temperature of the hollow cover 73 itself rises and intercepts the external cold air, reducing the cold air from invading the water inlet pipe 6, causing the water source inside the water inlet pipe 6 to freeze and causing the inside of the water inlet pipe 6 to be blocked, affecting the normal water supply situation, and improving the heat preservation performance of the water inlet pipe 6 and the working efficiency in cold weather.

[0032] Refer to Figure 2 、Figure 3 and Figure 4 As shown in Figure 4 , in this embodiment, it is disclosed that a heat preservation board 78 is fixedly connected to the surface of the hollow cover 73. The cross-section of the heat preservation board 78 is arc-shaped. By setting the heat preservation board 78, the heat preservation board 78 can block the outside cold air and reduce the heat dissipation speed of the hollow cover 73, further improving the heat preservation effect on the water inlet pipe 6. One side of the hollow cover 73 is fixedly connected with a reinforcing rib 79. The reinforcing rib 79 is arranged on the side of the hollow cover 73 away from the heater 74. By setting the reinforcing rib 79, the reinforcing rib 79 can increase the strength of the side of the hollow cover 73 away from the heater 74, and reduce the situation of fracture during the process of the hollow cover 73 being clamped to the surface of the water inlet pipe 6.

[0033] Refer to Figure 2 、 Figure 3 and Figure 4 As shown in Figure 4 , in this embodiment, it is disclosed that one end of a bolt 76 is fixedly connected with a screwing block 77. The surface of the screwing block 77 is fixedly connected with a plurality of anti-slip strips. By setting the screwing block 77, the screwing block 77 can increase the contact area of the bolt 76, enabling personnel to drive the bolt 76 to rotate quickly by manually rotating the screwing block 77, improving the convenience of manually rotating the bolt 76. A plurality of iron rods 710 are fixedly connected to the inner wall of the hollow cover 73. One side of each of the plurality of iron rods 710 is fixedly connected with an iron sheet 711. The plurality of iron sheets 711 are all fixedly connected to the inner wall of the hollow cover 73. A plurality of through holes 712 are formed on one side of the plurality of iron sheets 711. By setting the iron rods 710 and the iron sheets 711, the heat supplied by the heater 74 can be absorbed by the iron rods 710 and the iron sheets 711, enabling the heat to be quickly conducted to the hollow cover 73 through the iron sheets 711 and the iron rods 710, improving the heating efficiency of the surface of the hollow cover 73 on the surface of the water inlet pipe 6, and at the same time improving the heating efficiency of the heater 74 inside the hollow cover 73.

[0034] Refer to Figure 5As shown in the figure, this embodiment discloses that the protection device 4 includes a U-shaped frame 41. The U-shaped frame 41 is fixedly connected to the side of the variable frequency control cabinet 2 close to the display screen 3. The U-shaped frame 41 wraps the display screen 3. A rectangular hole 42 is formed on one side of the U-shaped frame 41. A round hole rod 43 is slidably connected to the inner wall of the rectangular hole 42. An intercepting net 44 is fixedly connected to the inner wall of the U-shaped frame 41. The other end of the intercepting net 44 is fixedly connected to the round hole rod 43. By setting the protection device 4, first manually move the round hole rod 43 so that the round hole rod 43 moves left and right along the inside of the rectangular hole 42, causing the round hole rod 43 to drive the intercepting net 44 to move. When the round hole rod 43 moves to an appropriate position, the intercepting net 44 is completely opened, enabling the intercepting net 44 to cooperate with the U-shaped frame 41 to completely cover the display screen 3 and assist in intercepting external objects, reducing the situation where the display screen 3 is damaged by collisions with external objects or sundries during use and affecting its use, thereby improving the use safety of the display screen 3. A positioning rod 45 is fixedly connected to the inner wall of the U-shaped frame 41. The surface of the positioning rod 45 is slidably connected to the inner wall of the round hole rod 43. By setting the positioning rod 45, the positioning rod 45 can assist in limiting the round hole rod 43, reducing the situation where the round hole rod 43 shakes during movement and use.

[0035] Working principle: First, install the base 1 in a specific area, and then connect the water inlet pipe 6 on the pump 5 to an external pipeline. The pump 5 cooperates with the pressure stabilizing tank 10 to control the water pressure and flow rate of the water source inside the water inlet pipe 6 to make it reach a constant water pressure. At the same time, the pressure gauge 8 monitors the water pressure inside the water inlet pipe 6 in real time. When the water pressure changes, it transmits the data to the staff in real time and also transmits the data to the variable frequency control cabinet 2 for secondary pressure control of the water source, realizing automatic and intelligent water pressure control.

[0036] First, manually move the handle 75 so that the handle 75 drives the hollow cover 73 to move, causing the hollow cover 73 to drive the round hole block 72 to move. When the hollow cover 73 moves to the position where it sleeves on the surface of the water inlet pipe 6, the inner walls of the round hole block 72 and the threaded hole block 71 coincide. At this time, manually rotate the screwing block 77 so that the screwing block 77 drives the bolt 76 to rotate, causing the bolt 76 to turn into the inside of the round hole block 72 and the threaded hole block 71 to fix the positions of the round hole block 72 and the hollow cover 73, completing the connection and fixation of the hollow cover 73 and the water inlet pipe 6. At this time, start the heater 74 so that the heater 74 provides heat to the inside of the hollow cover 73, causing the heat to be stored in the enclosed environment inside the hollow cover 73, increasing the temperature of the hollow cover 73 itself and intercepting the external cold air, completing the heat preservation treatment of the water inlet pipe 6.

[0037] First, manually move the round-hole rod 43 so that the round-hole rod 43 moves left and right along the inside of the rectangular hole 42, causing the round-hole rod 43 to drive the interception net 44 to move. When the round-hole rod 43 moves to an appropriate position, the interception net 44 is fully opened, and the interception net 44 cooperates with the U-shaped frame 41 to completely cover the display screen 3 and assist in intercepting external objects, thus completing the protection of the display screen 3.

[0038] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present invention still fall within the protection scope of the technical solution of the present invention. In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

Claims

1. A fire-fighting water supply device with adjustable water pressure, comprising a base (1), characterized in that: A frequency conversion control cabinet (2) is arranged on one side of the base (1), a display screen (3) is arranged on one side of the frequency conversion control cabinet (2), a protective device (4) is arranged on the side of the frequency conversion control cabinet (2) close to the display screen (3), a pump (5) is arranged on one side of the base (1), a water inlet pipe (6) is arranged on one side of the pump (5), a heat preservation device (7) for intercepting external cold air is arranged on one side of the water inlet pipe (6), a pressure measuring device (8) is arranged on one side of the pump (5), a water outlet pipe (9) is arranged on one side of the pump (5), and a pressure stabilizing tank (10) is arranged on one side of the base (1).

2. A fire-fighting water supply device with adjustable water pressure according to claim 1, characterized in that: The heat preservation device (7) comprises a screw hole block (71) and a hollow cover (73), wherein the screw hole block (71) is fixedly connected to the water inlet pipe (6), the hollow cover (73) is sleeved on the surface of the water inlet pipe (6), one side of the hollow cover (73) is fixedly connected to a round hole block (72), the inside of the round hole block (72) is provided with a bolt (76), the surface of the bolt (76) is threadedly connected to the inner wall of the screw hole block (71), one side of the hollow cover (73) is fixedly connected to a heater (74), the output end of the heater (74) is connected to the inner wall of the hollow cover (73), and the side of the hollow cover (73) close to the heater (74) is fixedly connected to a handle (75), and the inner side of the handle (75) is provided with a plurality of anti-slip protrusions.

3. A fire-fighting water supply device with adjustable water pressure according to claim 2, characterized in that: A heat preservation plate (78) is fixedly connected to the surface of the hollow cover (73), and the cross section of the heat preservation plate (78) is arc-shaped.

4. A fire-fighting water supply device with adjustable water pressure according to claim 2, characterized in that: A reinforcing rib (79) is fixedly connected to one side of the hollow cover (73), and the reinforcing rib (79) is arranged on a side of the hollow cover (73) away from the heater (74).

5. A fire-fighting water supply device with adjustable water pressure according to claim 2, characterized in that: One end of the bolt (76) is fixedly connected to a screw block (77), and a surface of the screw block (77) is fixedly connected to a plurality of anti-slip strips.

6. A fire-fighting water supply device with adjustable water pressure according to claim 2, characterized in that: A plurality of iron rods (710) are fixedly connected to the inner wall of the hollow cover (73), one side of each of the iron rods (710) is fixedly connected to an iron sheet (711), each of the iron sheets (711) is fixedly connected to the inner wall of the hollow cover (73), and one side of each of the iron sheets (711) is provided with a plurality of through holes (712).

7. A fire-fighting water supply device with adjustable water pressure according to claim 1, characterized in that: The protective device (4) comprises a U-shaped frame (41), the U-shaped frame (41) being fixedly connected to a side of the frequency conversion control cabinet (2) close to the display screen (3), the U-shaped frame (41) wrapping the display screen (3), a rectangular hole (42) being provided on one side of the U-shaped frame (41), a round hole rod (43) being slidably connected to the inner wall of the rectangular hole (42), an interception net (44) being fixedly connected to the inner wall of the U-shaped frame (41), and the other end of the interception net (44) being fixedly connected to the round hole rod (43).

8. A fire-fighting water supply device with adjustable water pressure according to claim 7, characterized in that: A positioning rod (45) is fixedly connected to the inner wall of the U-shaped frame (41), and the surface of the positioning rod (45) is slidably connected to the inner wall of the round hole rod (43).