A portable high-efficiency fire pump

Abstract

This invention relates to the field of fire pump technology, specifically a portable and high-efficiency fire pump, comprising a pump body, a transport mechanism mounted on the lower end of the pump body, a detachable water inlet connected to one end of the pump body, and a water pipe connection mechanism connected to one end of the water inlet; a detachable water outlet connected to the upper end of the pump body, the water outlet being sealed to the pump body, and a quick-connect mechanism connected to the upper end of the water outlet; and a detachable pump cover connected to the other end of the pump body, the pump cover being located on the end of the pump body away from the water inlet, and a power mechanism mounted on the pump cover. This invention divides the pump body into two main functional chambers, and through the action of a one-way water inlet valve, it achieves a powerful negative pressure suction even with a reduced structure, achieving the purpose of pumping water and high-pressure output, meeting fire protection needs; and it allows control of the handle position for easy carrying by the user.

Description

Technical Field

[0001] This invention relates to the field of fire pump technology, and in particular to a portable, high-efficiency fire pump. Background Technology

[0002] Fire pumps used for fire fighting and domestic water supply in narrow urban streets, rural roads, and steep slopes in mountainous and forested areas are large, heavy, and energy-intensive. They are also prone to damage to the pumps and gasoline engines when water supply is insufficient. Existing fire pumps use single-stage or triple-stage circular arc blades, which are also large, heavy, energy-intensive, and easily damaged.

[0003] A portable fire pump, disclosed in announcement number CN101725536B, includes a gasoline engine and a pump body. The pump body comprises a sealing seat connected to the gasoline engine, a pump casing fixedly connected to the sealing seat, a main shaft located at the center of the pump casing, three-stage centrifugal impellers sequentially fixed on the main shaft, and two-stage guide vanes sequentially fixed inside the pump casing. The main shaft is coaxially connected to the output shaft of the gasoline engine, and a main shaft sealing device is provided within the sealing seat. This invention solves the technical problems of existing fire pumps being large in size, heavy in weight, energy-intensive, and easily damaged. It offers the advantages of a portable fire pump that is small in size, lightweight, easy to carry, has low energy consumption, and can automatically shut off the gasoline engine when water supply is insufficient.

[0004] The above-mentioned technical solutions are small in size, but not convenient to carry as needed. At the same time, how to ensure the compact structure of the fire pump and ensure the water pumping effect are difficult problems for those skilled in the art. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a portable and efficient fire pump.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A portable high-efficiency fire pump includes a pump body, a transport mechanism is installed at the lower end of the pump body, a water inlet is detachably connected to one end of the pump body, and a water pipe connection mechanism is connected to one end of the water inlet. The upper end of the water pump body is detachably connected to a water outlet, the water outlet and the water pump body are sealed together, and the upper end of the water outlet is connected to a quick-connect mechanism. The other end of the pump body is detachably connected to a pump cover. The pump cover is located on the pump body at the end away from the water inlet. A power mechanism is installed on the pump cover. An impeller is sealed and connected to the power mechanism. A guide wheel is detachably connected to the end of the impeller near the water inlet. The guide wheel is sealed and connected to one end of the pump body.

[0007] Compared with the prior art, the present invention divides the water pump body into two major functional chambers, and through the action of a one-way water inlet valve, it can still generate strong negative pressure suction even with a reduced structure, so as to achieve the purpose of water pumping and high pressure output, meeting the needs of fire protection; and the position of the handle can be controlled so that the user can carry it.

[0008] Preferably, a mounting bracket is fixed to the lower end of the pump body, and a connecting shaft is rotatably sleeved at each of the four corners of the mounting bracket. A handle is fixed on the connecting shaft, and a resistance spring telescopic component is rotatably connected to one side of the connecting shaft. The resistance spring telescopic component is rotatably connected to the outer side of the mounting bracket.

[0009] Furthermore, the resistance spring telescopic component consists of a tube body and a rod body slidably installed inside the tube body. A spring component is fixed to both the inner wall of the tube body and one end of the rod body located inside the tube body. A plate component is provided at one end of the connecting shaft. The sleeve end and the rod end of the resistance spring telescopic component are connected to the plate component and the mounting bracket, respectively. Rotating the handle will change the positional relationship between the resistance spring telescopic component and the connecting shaft. That is, rotating the handle will cause the connecting shaft to compress the resistance spring telescopic component, causing the resistance spring telescopic component to be compressed to its limit position. When the limit position is exceeded, the resistance spring telescopic component can limit the position of the handle through the spring restoring force, so that firefighters can quickly move the pump body structure by using the handle.

[0010] Preferably, one end of the water pump body is provided with a water inlet, and a one-way water inlet valve is provided between the water inlet and the water pump body. Multiple second hexagonal head bolts are provided at equal intervals through the water inlet and screwed into the water pump body. A second flat washer is provided on the second hexagonal head bolt and the second flat washer is provided on one side of the water inlet. A connector nut is threaded onto one side of the water inlet, and a water pipe connector sealing gasket is provided through the connector nut. The water pipe connector is provided through one side of the connector nut, and the water pipe connector sealing gasket is located between the water inlet and the water pipe connector.

[0011] Furthermore, the one-way inlet valve adopts a one-way valve structure, which allows water to flow into the pump body only through the water pipe joint. At the same time, the tilting setting of the one-way inlet valve can control the closing plate structure inside the one-way inlet valve to close with the valve body structure through gravity when the external pressure is insufficient, thus achieving the purpose of one-way water inlet. A water pipe joint sealing gasket is installed inside the connector nut, and the water pipe joint is installed on one side of the connector nut. The water pipe joint sealing gasket is located between the water inlet and the water pipe joint. By rotating the connector nut, the water pipe joint can squeeze the water pipe joint sealing gasket to ensure the sealing effect. This disassembly allows for quick and easy removal of the filter screen holder and filter screen inside.

[0012] Preferably, a plurality of first hexagonal head bolts are evenly spaced around the circumference of the water outlet, and a first flat washer is inserted through each of the plurality of first hexagonal head bolts. A water outlet sealing gasket is inserted through the lower end of the first hexagonal head bolts. The lower end of the water outlet sealing gasket abuts against the water pump body. The lower end of the first flat washer is screwed into the water pump body. The quick-connect mechanism includes a plug O-ring inserted through the upper end of the water outlet, and a plug is inserted through the plug O-ring.

[0013] Furthermore, the first hexagonal head bolt connects the outlet pipe to the upper end of the pump body. By rotating the first hexagonal head bolt, the outlet pipe can be moved toward the pump body, allowing the water discharged through the guide wheel to be discharged outward through the outlet pipe, thus enabling fire sprinkler system. The use of a plug and an O-ring can also seal the plug and the outlet pipe, allowing for connection with fire sprinkler pipes and ensuring stable water supply.

[0014] Preferably, a pump cover is provided through the end of the pump body away from the water inlet, and a pump cover O-ring is provided between the pump cover and the pump body. Multiple third hexagonal head bolts are threaded together on the pump cover and the guide wheel, and a third flat washer is provided on the third hexagonal head bolt.

[0015] Furthermore, the guide wheel and the pump cover are fixedly connected by multiple hexagonal head bolts, and a corresponding sealing structure is also provided between the guide wheel and the pump cover. At the same time, the third flat washer can prevent the hexagonal head bolts from directly squeezing the guide wheel, which helps to protect the guide wheel and also helps to fully contact the guide wheel and the pump cover. After contact is completed, the squeezing of the pump cover and the pump body allows one end of the guide wheel to be inserted into the pump body and synchronously squeeze the O-ring of the guide wheel with the components in the pump body.

[0016] Preferably, the power mechanism includes a drive shaft rotatably sleeved inside the water pump cover, the drive shaft passing through the water pump cover, a water seal assembly being installed on the water pump cover, and an impeller being detachably connected to one end of the drive shaft, the impeller being rotatably sleeved inside the guide wheel.

[0017] Furthermore, the water seal assembly facilitates the rotation of the drive shaft and enables sealing operations, preventing leakage and pressure loss. The impeller is connected to the drive shaft, and the rotation of the impeller creates a negative pressure state at the end of the guide wheel connected to the water inlet chamber, enabling negative pressure suction operations and allowing water to enter the guide wheel.

[0018] Preferably, the guide wheel and the water pump body are in contact with each other via an O-ring.

[0019] Furthermore, the guide wheel and the pump body can compress the O-ring of the guide wheel, causing the O-ring to deform and effectively fill the gaps. This ensures a sealed connection between the pumping components and the inlet chamber, preventing leakage and pressure buildup. It also ensures that water can stably enter the guide wheel and then pass through it into the pump body to achieve water output.

[0020] Preferably, a sealing gasket is provided through the inside of the water pump cover, and a plurality of hexagonal head screws are provided through the sealing gasket at equal intervals, and the hexagonal head screws are screwed into the inside of the water pump cover.

[0021] Furthermore, the gasket adopts a sealing structure, and the pump cover and the gasket can be connected by an internal hexagonal head screw, which can ensure the sealing effect of the connection and prevent leakage.

[0022] Preferably, the water pump body is divided into an inlet chamber and a pumping chamber, the guide wheel is disposed in the pumping chamber, and one end of the guide wheel extends through and into the inlet chamber.

[0023] Furthermore, a U-shaped partition structure is installed inside the water pump body. An opening is made at one end of the U-shaped partition inside the water pump body to achieve through passage. The end of the U-shaped partition structure connected to the water inlet is the water inlet chamber. The water inlet chamber is connected to the water inlet pipe connection component to allow water to enter. At the same time, a filter structure is installed at the corresponding position of the water inlet pipe connection component to prevent foreign objects from entering the water pumping chamber and causing damage to the water pumping components.

[0024] Preferably, a filter screen is provided through the inlet pipe, a filter screen seat is provided through the upper end of the filter screen, a pipe clamp is fitted on the filter screen seat, the upper end of the filter screen is located inside the pipe clamp, and one end of the filter screen seat extends to the outlet pipe.

[0025] Furthermore, the filter screen holder is installed through the water pipe connector, and one end of the filter screen abuts against the one-way inlet valve. This abutment ensures that water can only pass through the filter screen before entering the one-way inlet valve channel, thus enabling pumping operations. The filter screen holder and the filter screen can be detachably connected via a pipe clamp, allowing for quick separation when needed. This also helps to clean impurities from the filter screen holder and the filter screen, preventing blockages and ensuring directional water flow. The pipe clamp is a quick-release structure, allowing for the connection, fixation, or disassembly of the filter screen holder and the filter screen.

[0026] The beneficial effects of this invention are: 1. The resistance spring telescopic component consists of a tube body and a rod body slidably installed inside the tube body. A spring component is fixed to the inner wall of the tube body and one end of the rod body located inside the tube body. A plate component is set at one end of the connecting shaft. The sleeve end and the rod end of the resistance spring telescopic component are connected to the plate component and the mounting bracket, respectively. Rotating the handle will change the positional relationship between the resistance spring telescopic component and the connecting shaft. That is, rotating the handle will cause the connecting shaft to squeeze the resistance spring telescopic component, compressing the resistance spring telescopic component to its limit position. When the limit position is exceeded, the resistance spring telescopic component can limit the position of the handle through the spring restoring force, so that firefighters can quickly move the pump body structure by using the handle. 2. The one-way inlet valve adopts a one-way valve structure, which allows water to flow into the pump body only through the water pipe joint. At the same time, the inclined setting of the one-way inlet valve can control the closing plate structure inside the one-way inlet valve to close with the valve body structure through gravity when the external pressure is insufficient, so as to achieve the purpose of one-way water intake. Through the function of the one-way inlet valve, it can still generate strong negative pressure suction even with a reduced structure, so as to achieve the purpose of pumping water and high pressure output. 3. The water seal assembly facilitates the rotation of the drive shaft and enables sealing operations, preventing leakage and pressure loss. The impeller is connected to the drive shaft, and the rotation of the impeller creates a negative pressure state at the end of the guide wheel connected to the water inlet chamber, enabling negative pressure suction and allowing water to enter the guide wheel. 4. The guide wheel and the pump body can squeeze the O-ring of the guide wheel, causing the O-ring of the guide wheel to deform and effectively fill the gap. This ensures a sealed connection between the pumping components and the inlet chamber, preventing leakage and pressure. It ensures that water can stably enter the guide wheel and then enter the pump body to achieve water output. 5. A U-shaped partition structure is installed inside the water pump body. An opening is made at one end of the U-shaped partition inside the water pump body to achieve through passage. The end of the U-shaped partition structure connected to the water inlet is the water inlet chamber. The water inlet chamber is connected to the water inlet pipe connection component to allow water to enter. At the same time, a filter structure is installed at the corresponding position of the water inlet pipe connection component to prevent foreign objects from entering the water pumping chamber and causing damage to the water pumping components. 6. The filter screen holder is installed through the water pipe joint, and one end of the filter screen abuts against the one-way inlet valve. This abutment ensures that water can only pass through the filter screen before entering the one-way inlet valve channel, thus enabling water pumping. The filter screen holder and filter screen can be detachably connected via a pipe clamp, allowing for quick separation when needed. This also helps to clean impurities from the filter screen holder and filter screen, preventing blockages and ensuring directional water flow. The pipe clamp is a quick-release structure, allowing for the connection, fixation, or disassembly of the filter screen holder and filter screen. Attached Figure Description

[0027] Figure 1 This is a cross-sectional view of the structure of the present invention.

[0028] Figure 2 This is a structural diagram of the present invention.

[0029] Figure 3 This is a structural diagram of the filter holder and filter screen in this invention.

[0030] Figure 4 This is a structural view of the pipe clamp in this invention.

[0031] Figure 5 This is a front view of the impeller in this invention.

[0032] Figure 6 These are two views of the guide wheel in this invention.

[0033] Figure 7 These are three views of the water outlet in this invention.

[0034] Figure 8 These are four views of the water pump body in this invention.

[0035] Figure 9 This is a connection structure diagram of the grip, resistance spring telescopic component, and connecting shaft in this invention.

[0036] In the diagram: 1. Water seal assembly; 2. Socket head cap screw; 3. Sealing gasket; 4. Pump cover; 5. Impeller; 6. Guide wheel O-ring; 7. Guide wheel; 8. Pump cover O-ring; 9. Outlet gasket; 10. First flat washer; 11. First hexagonal head bolt; 12. Outlet; 13. Plug; 14. Plug O-ring; 15. One-way inlet valve; 16. Inlet; 17. Connector nut; 18. Water pipe connector sealing gasket; 19. Water pipe connector; 20. Second hexagonal head bolt; 21. Second flat washer; 22. Pump body; 23. Third flat washer; 24. Third hexagonal head bolt; 25. Filter holder; 26. Filter; 27. Pipe clamp; 28. Mounting bracket; 29. ​​Handle; 30. Resistance spring telescopic component; 31. Connecting shaft. Detailed Implementation

[0037] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0038] Reference Figures 1-9A portable, high-efficiency fire pump includes a pump body 22. The pump body 22 has a compact structure and is divided into different functional chambers that are interconnected to ensure water flow, thereby achieving negative pressure suction and high-pressure output. It can provide high-pressure water for fire sprinkler systems. A transport mechanism is installed at the lower end of the pump body 22, allowing users to quickly move the entire unit to a designated location for connection to the corresponding water supply pipeline. This enables pumping operations and high-pressure output for firefighting. The transport mechanism is adjustable and retractable after transport to avoid affecting its use. One end of the pump body 22 is detachably connected to a water inlet 16, allowing connection between the inlet 16 and the pump body 22. A one-way inlet valve 15 is installed during connection to control the water flow direction. One end of the inlet 16 is connected to a water pipe connection mechanism, enabling quick connection to external water supply pipelines and effectively adapting to various specifications of water supply pipes.

[0039] The upper end of the water pump body 22 is detachably connected to a water outlet 12. The water outlet 12 and the water pump body 22 are sealed together. This sealed connection can prevent leakage and ensure the stability of the pressure inside the water pump body 22, so as to realize high-pressure water delivery. The upper end of the water outlet 12 is connected to a quick-connect mechanism, which can improve the efficiency of the connection.

[0040] A pump cover 4 is detachably connected to the other end of the pump body 22. The pump cover 4 is located on the pump body 22 at the end away from the water inlet 16 and is equipped with a sealing component. All connections in this application must be sealed to prevent leakage. A power mechanism is installed on the pump cover 4, and an impeller 5 is sealed to the power mechanism. The power mechanism enables power input to provide power for the operation of the pump body. At the same time, corresponding control components can be set up for operation by the staff. A guide wheel 7 is detachably connected to the end of the impeller 5 near the water inlet 16. The guide wheel 7 is sealed to one end inside the pump body 22 to ensure a full seal and prevent leakage.

[0041] In this embodiment, a mounting bracket 28 is fixed to the lower end of the pump body 22. Connecting shafts 31 are rotatably sleeved at each of the four corners of the mounting bracket 28. A handle 29 is fixed to the connecting shaft 31. A resistance spring telescopic member 30 is rotatably connected to one side of the connecting shaft 31. The resistance spring telescopic member 30 is rotatably connected to the outer side of the mounting bracket 28. The resistance spring telescopic member 30 consists of a pipe body and a rod body slidably installed inside the pipe body. A spring member is fixed to the inner wall of the pipe body and one end of the rod body located inside the pipe body. A plate is provided at one end of the connecting shaft 31. The sleeve end and rod end of the spring telescopic component 30 are connected to the plate and the mounting bracket 28, respectively. Rotating the handle 29 will change the positional relationship between the resistance spring telescopic component 30 and the connecting shaft 31. That is, the rotation of the handle 29 will cause the connecting shaft 31 to squeeze the resistance spring telescopic component 30, compressing the resistance spring telescopic component 30 to its limit position. When the limit position is exceeded, the resistance spring telescopic component 30 can limit the position of the handle 29 through the spring restoring force, so that firefighters can quickly transfer the pump body structure through the handle 29.

[0042] In this embodiment, a water inlet 16 is provided through one end of the water pump body 22. A one-way water inlet valve 15 is located between the water inlet 16 and the water pump body 22. The one-way water inlet valve 15 adopts a one-way valve structure, which allows water to flow only into the water pump body 22 through the water pipe joint 19. At the same time, the inclined setting of the one-way water inlet valve 15 can control the closing plate structure inside the one-way water inlet valve 15 to close with the valve body structure through gravity when the external pressure is insufficient, thus achieving the purpose of one-way water inlet; the water inlet 16, etc. Multiple hexagonal head bolts 20 are spaced through the pump body 22 and screwed into it. A second flat washer 21 is fitted on each hexagonal head bolt 20 and is located on one side of the inlet pipe 16. The action of the hexagonal head bolts 20 and the second flat washer 21 causes the connector nut 17 to press against the water pipe connector 19, which in turn applies pressure to the water pipe connector sealing gasket 18 and the inlet pipe 16, thereby completing the sealed connection between the inlet pipe 16 and the water pipe connector 19. A connector nut 17 is threaded onto one side of the water inlet 16. A water pipe connector sealing gasket 18 passes through the connector nut 17. A water pipe connector 19 passes through one side of the connector nut 17. The water pipe connector sealing gasket 18 is located between the water inlet 16 and the water pipe connector 19. By rotating the connector nut 17, the water pipe connector 19 can squeeze the water pipe connector sealing gasket 18 to ensure a sealing effect. This disassembly allows for quick removal of the filter screen holder 25 and filter screen 26. The filter screen holder 25 and filter screen 26 can be made of stainless steel, which helps to extend the service life of the components. At the same time, the holes on them are set as needed to allow water flow. The impact of the water helps to prevent the filter screen holder 25 and filter screen 26 from becoming clogged.

[0043] In this embodiment, a plurality of first hexagonal head bolts 11 are evenly spaced around the circumference of the water outlet 12, and a first flat washer 10 is provided through each of the plurality of first hexagonal head bolts 11. The first hexagonal head bolts 11 enable the water outlet 12 to be connected to the upper end of the water pump body 22. By rotating the first hexagonal head bolts 11, the water outlet 12 can be moved toward the water pump body 22, so that the water discharged through the guide wheel 7 can be discharged outward through the water outlet 12, thereby realizing fire sprinkler system. The lower end of the first hexagonal head bolt 11 is provided with a water outlet sealing gasket 9. The lower end of the water outlet sealing gasket 9 abuts against the water pump body 22. The water outlet 12 moves towards the water pump body 22, which can fully compress the water outlet sealing gasket 9 so that the water outlet sealing gasket 9 deforms and seals. The lower end of the first flat washer 10 is screwed into the water pump body 22. The quick-connect mechanism includes a plug O-ring 14 that passes through the upper end of the water outlet 12. A plug 13 passes through the plug O-ring 14. The plug 13 and the plug O-ring 14 can also seal the plug 13 and the water outlet 12 so as to connect with the fire sprinkler pipe and stably supply water.

[0044] In this embodiment, a pump cover 4 is provided through the end of the pump body 22 away from the inlet pipe 16. A sealing structure is also provided on the end of the pump cover 4 connected to the pump body 22 to prevent pressure loss inside the pump body 22. A pump cover O-ring 8 is provided between the pump cover 4 and the pump body 22. The pump cover O-ring 8 can deform under the compression of the pump cover 4 and the pump body 22. The deformation of the pump cover O-ring 8 can fill the gap and prevent leakage. Multiple hexagonal head bolts 24 are threaded together on the pump cover 4 and the guide wheel 7. There is a third flat washer 23; the guide wheel 7 and the water pump cover 4 are fixedly connected by multiple third hexagonal head bolts 24, and a corresponding sealing structure is also provided between the guide wheel 7 and the water pump cover 4. At the same time, the third flat washer 23 can prevent the third hexagonal head bolts 24 from directly squeezing the guide wheel 7, which helps to protect the guide wheel 7 and also helps to fully contact the guide wheel 7 and the water pump cover 4. After contact is completed, the water pump cover 4 and the water pump body 22 squeeze each other, allowing one end of the guide wheel 7 to be inserted into the water pump body 22 and synchronously squeeze the guide wheel O-ring 6 with the components inside the water pump body 22.

[0045] In this embodiment, the power mechanism includes a drive shaft rotatably fitted inside the pump cover 4. The drive shaft is located inside the drive device, enabling it to rotate stably to provide power for the operation of the pumping components inside the pump body 22, thus enabling pumping operations. The drive shaft passes through the pump cover 4, and a water seal assembly 1 is installed on the pump cover 4. The water seal assembly 1 facilitates the rotation of the drive shaft and also enables sealing operations to prevent leakage and pressure loss. One end of the drive shaft is detachably connected to an impeller 5, which is rotatably fitted inside the guide wheel 7. The impeller 5 is connected to the drive shaft, and the rotation of the impeller 5 causes the end of the guide wheel 7 connected to the water inlet chamber to be in a negative pressure state, enabling negative pressure suction operations and allowing water to enter the guide wheel 7.

[0046] In this embodiment, the guide wheel 7 and the water pump body 22 jointly abut against the guide wheel O-ring 6; the guide wheel 7 and the water pump body 22 can squeeze the guide wheel O-ring 6, causing the guide wheel O-ring 6 to deform, so as to effectively fill the gap, so as to seal the connection between the water pumping component and the water inlet chamber, avoid leakage and pressure, and ensure that the water will stably enter the guide wheel 7, and then enter the water pump body 22 through the guide wheel 7 to realize the output of water.

[0047] In this embodiment, a sealing gasket 3 is provided through the water pump cover 4, and a plurality of hexagonal head screws 2 are provided through the sealing gasket 3 at equal intervals. The hexagonal head screws 2 are screwed into the water pump cover 4. The sealing gasket 3 adopts a sealing structure, and the water pump cover 4 and the sealing gasket 3 can be connected by the hexagonal head screws 2, which can ensure the sealing effect of the connection and avoid leakage.

[0048] In this embodiment, the pump body 22 is divided into an inlet chamber and a pumping chamber. The guide wheel 7 is installed in the pumping chamber, with one end of the guide wheel 7 penetrating and extending into the inlet chamber. A U-shaped partition structure is installed inside the pump body 22, with an opening at one end of the U-shaped partition located inside the pump body 22 to achieve passage. The end of the U-shaped partition structure connected to the inlet pipe 16 is the inlet chamber. The inlet chamber is connected to the inlet pipe connection component, allowing water to enter. At the same time, a filter structure is installed at the corresponding position of the inlet pipe connection component to prevent foreign objects from entering the pumping chamber and causing damage to the pumping components.

[0049] In this embodiment, a filter screen 26 is installed through the inlet pipe 16, and a filter screen holder 25 is installed through the upper end of the filter screen 26. A pipe clamp 27 is fitted onto the filter screen holder 25, with the upper end of the filter screen 26 located inside the pipe clamp 27. One end of the filter screen holder 25 extends to the outlet pipe 12. The filter screen holder 25 is installed through the water pipe connector 19, and one end of the filter screen 26 abuts against the one-way inlet valve 15. This abutment ensures that water can only pass through the filter screen 26 before entering the channel of the one-way inlet valve 15, thus enabling pumping operations. The pipe clamp 27 also allows the filter screen holder 26 to be secured. The detachable connection between filter seat 25 and filter screen 26 allows for quick separation of the filter seat 25 and filter screen 26 when needed, cleaning impurities inside the filter seat 25 and filter screen 26 to prevent clogging and ensure directional water flow. The pipe clamp 27 is a quick-release pipe clamp structure, enabling the connection and fixation or disassembly of the filter seat 25 and filter screen 26. At the same time, one end of the filter screen 26 abuts against the one-way inlet valve 15, and the specification of one end of the filter screen 26 is larger than the specification of the valve plate of the one-way inlet valve 15, allowing water to pass through the filter screen 26 and then enter the one-way inlet valve 15.

[0050] In this invention, the drive shaft can drive the impeller 5 to rotate, so that the guide wheel 7 and the water inlet chamber of the water pump body 22 are connected by negative pressure, so that water pumping can be carried out through the water inlet chamber. The pumped water can be discharged into the water pump body 22 through the guide wheel 7 and output through the plug 13. The guide wheel 7 and the pump body 22 are in contact with the guide wheel O-ring 6. The guide wheel 7 and the pump body 22 can squeeze the guide wheel O-ring 6, causing the guide wheel O-ring 6 to deform and effectively fill the gap. This can ensure a sealed connection between the pumping component and the inlet chamber, preventing leakage and pressure. This ensures that water can stably enter the guide wheel 7 and then enter the pump body 22 through the guide wheel 7 to achieve water output. The water pipe connector 19 allows for quick connection to an external water supply pipeline. The filter screen seat 25 inside the water pipe connector 19 and the water inlet 16 effectively filters impurities in the water, preventing damage to the pumping components inside the guide wheel 7. Furthermore, a U-shaped partition structure is installed inside the pump body 22, with an opening at one end of the U-shaped partition located inside the pump body 22 to allow for passage. The end of the U-shaped partition structure connected to the water inlet 16 is the water inlet chamber, which is connected to the water inlet pipe connection component, allowing water to enter.

[0051] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A portable high-efficiency fire pump, comprising a pump body (22), characterized in that: The lower end of the pump body (22) is equipped with a transport mechanism, and one end of the pump body (22) is detachably connected to a water inlet (16), and one end of the water inlet (16) is connected to a water pipe connection mechanism. The upper end of the water pump body (22) is detachably connected to a water outlet (12), the water outlet (12) and the water pump body (22) are sealed together, and the upper end of the water outlet (12) is connected to a quick-connect mechanism. The other end of the pump body (22) is detachably connected to a pump cover (4). The pump cover (4) is located on the pump body (22) at the end away from the water inlet (16). A power mechanism is installed on the pump cover (4). An impeller (5) is sealed and connected to the power mechanism. A guide wheel (7) is detachably connected to the end of the impeller (5) near the water inlet (16). The guide wheel (7) is sealed and connected to one end inside the pump body (22).

2. The portable high-efficiency fire pump according to claim 1, characterized in that: The lower end of the pump body (22) is fixed with a mounting bracket (28). Each of the four corners of the mounting bracket (28) is rotatably sleeved with a connecting shaft (31). A handle (29) is fixed on the connecting shaft (31). A resistance spring telescopic component (30) is rotatably connected to one side of the connecting shaft (31). The resistance spring telescopic component (30) is rotatably connected to the outer side of the mounting bracket (28).

3. The portable high-efficiency fire pump according to claim 1, characterized in that: One end of the water pump body (22) is provided with a water inlet (16), and a one-way water inlet valve (15) is provided between the water inlet (16) and the water pump body (22). Multiple second hexagonal head bolts (20) are provided at equal intervals on the water inlet (16). The second hexagonal head bolts (20) are screwed into the water pump body (22). A second flat washer (21) is provided on the second hexagonal head bolt (20). The second flat washer (21) is located on one side of the water inlet (16). A connector nut (17) is threaded onto one side of the water inlet (16). A water pipe connector gasket (18) is provided inside the connector nut (17). The water pipe connector (19) is provided on one side of the connector nut (17). The water pipe connector gasket (18) is located between the water inlet (16) and the water pipe connector (19).

4. A portable high-efficiency fire pump according to claim 1, characterized in that: Multiple first hexagonal head bolts (11) are evenly spaced around the outlet (12), and a first flat washer (10) is provided through each of the multiple first hexagonal head bolts (11). An outlet sealing gasket (9) is provided through the lower end of the first hexagonal head bolt (11). The lower end of the outlet sealing gasket (9) abuts against the water pump body (22). The lower end of the first flat washer (10) is screwed into the water pump body (22). The quick-connect mechanism includes a plug O-ring (14) that is provided through the upper end of the outlet (12), and a plug (13) is provided through the O-ring (14).

5. A portable high-efficiency fire pump according to claim 1, characterized in that: The pump body (22) is provided with a pump cover (4) at one end away from the water inlet (16). The pump cover (4) and the pump body (22) are in contact with a pump cover O-ring (8). The pump cover (4) and the guide wheel (7) are threaded together with a plurality of third hexagonal head bolts (24). The third hexagonal head bolts (24) are fitted with a third flat washer (23).

6. A portable high-efficiency fire pump according to claim 1, characterized in that: The power mechanism includes a drive shaft that is rotatably sleeved inside the water pump cover (4). The drive shaft is disposed through the water pump cover (4). A water seal assembly (1) is installed on the water pump cover (4). One end of the drive shaft is detachably connected to an impeller (5). The impeller (5) is rotatably sleeved inside the guide wheel (7).

7. A portable high-efficiency fire pump according to claim 5, characterized in that: The guide wheel (7) and the pump body (22) are in contact with each other via the guide wheel O-ring (6).

8. A portable high-efficiency fire pump according to claim 6, characterized in that: A sealing gasket (3) is provided inside the water pump cover (4), and a plurality of internal hexagonal head screws (2) are provided at equal intervals on the sealing gasket (3), and the internal hexagonal head screws (2) are screwed into the water pump cover (4).

9. A portable high-efficiency fire pump according to claim 5, characterized in that: The pump body (22) is divided into an inlet chamber and a pumping chamber. The guide wheel (7) is located in the pumping chamber, and one end of the guide wheel (7) extends through and into the inlet chamber.

10. A portable high-efficiency fire pump according to claim 1, characterized in that: A filter screen (26) is provided through the inlet pipe (16). A filter screen seat (25) is provided through the upper end of the filter screen (26). A pipe clamp (27) is fitted on the filter screen seat (25). The upper end of the filter screen (26) is located inside the pipe clamp (27). One end of the filter screen seat (25) extends to the outlet pipe (12).

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