Saving type water pump

Abstract

The utility model provides a saving type water pump, and belongs to the technical field of water pumps. The saving type water pump comprises a water pump assembly and a water level induction control assembly, the water level induction control assembly comprises a waterproof shell, a water level inductor is fixedly installed in the waterproof shell, an induction area is arranged on one side of the waterproof shell, and a second magnetic attraction block is fixedly installed on the other side of the waterproof shell; the water pump assembly comprises a first pump shell and a second pump shell, pump machines are fixedly installed on the inner sides of the first pump shell and the second pump shell, a filtering assembly is arranged on the inner side of the bottom end of the second pump shell, supporting legs are fixedly installed at the bottom of the second pump shell, and a handle is fixedly installed on the outer side of the top end of the first pump shell. The water level of a water accumulation area can be detected, when accumulated water is accumulated, the pump machine is controlled to work to discharge the accumulated water, when the accumulated water is pumped out, the pump machine is controlled to be closed, electric energy is saved, and high practical value is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of water pumps, in particular to a conservation-type water pump. Background Art

[0002] A water pump is a machine that transports liquids or pressurizes liquids. It transfers the mechanical energy of the prime mover or other external energy to the liquid to increase the energy of the liquid. It is mainly used to transport liquids including water, oil, acid and alkali liquids, emulsions, suspensions and liquid metals, etc. It can also transport liquids, gas mixtures and liquids containing suspended solids. The technical parameters of water pump performance include flow rate, suction head, head, shaft power, water power, efficiency, etc.; according to different working principles, it can be divided into positive displacement water pumps, vane pumps and other types. Positive displacement pumps use the change in the volume of their working chambers to transfer energy; vane pumps use the interaction between the rotating blades and water to transfer energy, and there are centrifugal pumps, axial flow pumps and mixed flow pumps.

[0003] Based on the above, the inventors have found the following problems: current water pumps usually need to be started and stopped manually when used to discharge accumulated water in the rainy season, and the water pump should be turned off when there is less accumulated water. Otherwise, the water pump will continue to idle, causing a waste of resources and being inconvenient to use.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a saving water pump is provided to achieve a more practical purpose. Utility Model Content

[0005] In order to solve the above technical problems, the embodiment of the utility model provides a water-saving pump, which is specifically implemented by the following technical solutions:

[0006] A water-saving water pump comprises a water pump assembly and a water level sensing control assembly, wherein the water level sensing control assembly comprises a waterproof shell, a water level sensor is fixedly installed inside the waterproof shell, a sensing area is provided on one side of the waterproof shell, and a second magnetic block is fixedly installed on the other side of the waterproof shell, the water pump assembly comprises a first pump shell and a second pump shell, pumps are fixedly installed on the inner sides of the first pump shell and the second pump shell, a filter assembly is provided on the inner side of the bottom end of the second pump shell, a foot is fixedly installed on the bottom of the second pump shell, a handle is fixedly installed on the outer side of the top end of the first pump shell, and a first magnetic block is fixedly installed on one side of the handle.

[0007] The beneficial effect of adopting the above further scheme is that a water level sensor is fixedly installed inside the waterproof shell, and a sensing area is provided on one side of the waterproof shell, so that the water level sensor can detect the water level in the water accumulation area, and it is convenient to shut down the pump after the device pumps out the accumulated water, so as to save electricity. When the accumulated water begins to accumulate, the pump is triggered to pump out the accumulated water. The pump is fixedly installed on the inner sides of the first pump shell and the second pump shell, so that the first pump shell and the second pump shell can protect the internal pump. A filter component is provided on the inner side of the bottom end of the second pump shell, so that it is convenient to filter the accumulated water when the device pumps out the accumulated water to avoid foreign matter. The pump is blocked, and a foot is fixedly installed on the bottom of the second pump housing to facilitate the device to be stably placed in the designated position, so that the pump can pump out the accumulated water. A handle is fixedly installed on the outer side of the top of the first pump housing to facilitate the use of the handle to move the device to the designated position. A first magnetic block is fixedly installed on one side of the handle to facilitate the magnetic connection between the first magnetic block and the second magnetic block, so that the water level sensing control component can be stored on one side of the handle, thereby facilitating the storage of the water level sensing control component and facilitating the movement of the water level sensing control component when the handle is used to move the water pump assembly.

[0008] Furthermore, a first connecting wire and a second connecting wire are fixedly installed on the top of the first pump housing, one end of the first connecting wire is fixedly connected to the top of the waterproof housing, and a wire protection tube is fixedly installed on one end of the first connecting wire connected to the waterproof housing.

[0009] The beneficial effect of adopting the above further scheme is that the first connecting wire and the second connecting wire are fixedly installed on the top of the first pump shell, and one end of the first connecting wire is fixedly connected to the top of the waterproof shell, so that the first connecting wire can electrically connect the water level sensing control component with the water pump component, thereby facilitating the water level sensing control component to sense the water level to control the water pump component. The second connecting wire is convenient for connecting the device to an external power supply, which is convenient for powering the device. A wire protection tube is fixedly installed on one end of the first connecting wire connected to the waterproof shell, so that the wire protection tube can protect the connection between the first connecting wire and the waterproof shell.

[0010] Furthermore, a water outlet pipe is fixedly installed on one side of the second pump housing, and a water pipe interface is fixedly installed on one end of the water outlet pipe.

[0011] The beneficial effect of adopting the above-mentioned further scheme is that a water outlet pipe is fixedly installed on one side of the second pump casing, and a water pipe interface is fixedly installed on one end of the water outlet pipe, which is convenient for connecting the drainage pipe with the water pipe interface, and convenient for the accumulated water pumped out by the pump to flow out from the water outlet pipe, and the accumulated water that flows out is discharged from the drainage pipe to a designated location.

[0012] Furthermore, the filter assembly includes a fixing ring, the top of the fixing ring is fixedly connected to the second pump housing, and the bottom of the fixing ring is fixedly mounted with a filter element.

[0013] The beneficial effect of adopting the above further scheme is that the top of the fixing ring is fixedly connected to the second pump housing, and a filter element is fixedly installed on the bottom of the fixing ring, so that the filter element can perform secondary filtration on fine impurities in the accumulated water to avoid impurities clogging the pump.

[0014] Furthermore, a sliding sleeve is provided on the outer side of the fixing ring, a filter screen is fixedly installed on the bottom of the sliding sleeve, and the filter screen is arranged at the bottom of the filter element.

[0015] The beneficial effect of adopting the above further solution is that a filter screen is fixedly installed at the bottom of the sliding sleeve, and the filter screen is arranged at the bottom of the filter element, so that the filter screen can perform primary filtering of larger foreign matter.

[0016] Furthermore, a limiting sliding groove is provided on the outer side of the fixing ring, a limiting sliding block is fixedly installed on the inner side of the sliding sleeve, and the limiting sliding block is slidably connected with the limiting sliding groove.

[0017] The beneficial effect of adopting the above further solution is that, through the sliding connection between the limiting slider and the limiting sliding groove, it is convenient to limit the sliding of the sliding sleeve, so that the sliding of the sliding sleeve is more stable.

[0018] Furthermore, a floating block is provided on the outer side of the sliding sleeve, and a water inlet groove is provided on the bottom of the sliding sleeve.

[0019] The beneficial effect of adopting the above-mentioned further scheme is that a floating block is provided on the outer side of the sliding sleeve, and a water inlet groove is opened at the bottom of the sliding sleeve, so that when there is a lot of water accumulation, the buoyancy causes the floating block to drive the fixed ring to float up, and when the water accumulation is shallow, the sliding sleeve falls to make the bottom fit with the ground, which is beneficial to concentrate the suction generated by the pump machine on the shallow water, and the accumulated water enters the interior of the water pump assembly from the water inlet groove.

[0020] Furthermore, a first sealing ring is fixedly installed on the bottom of the outer side of the fixing ring, and a second sealing ring is fixedly connected to the bottom of the limiting sliding block inside the sliding sleeve.

[0021] The beneficial effect of adopting the above further scheme is that a first sealing ring is fixedly installed on the bottom of the outer side of the fixing ring, and a second sealing ring is fixedly connected to the bottom of the limiting sliding block inside the sliding sleeve, so that when the sliding sleeve falls, the first sealing ring and the second sealing ring are fitted together, so as to seal the top of the sliding sleeve, thereby concentrating the suction force on the shallow water accumulation area at the bottom.

[0022] The beneficial effects of the utility model are as follows: the utility model provides a water-saving water pump obtained through the above-mentioned design. The water-saving water pump has a water level sensor fixedly installed inside the waterproof shell, and a sensing area is provided on one side of the waterproof shell, so that the water level sensor can detect the water level in the water accumulation area, and the pump can be turned off after the device pumps out the accumulated water, thereby saving electric energy. When the accumulated water begins to accumulate, the pump is triggered to pump out the accumulated water. The pump is fixedly installed on the inner sides of the first pump shell and the second pump shell, so that the first pump shell and the second pump shell can protect the internal pump. A filter assembly is provided on the inner side of the bottom end of the second pump shell, so that the device can filter the accumulated water when pumping it out, thereby preventing the pump from being blocked by foreign matter. A support foot is fixedly installed on the bottom of the second pump shell. , it is convenient to place the device stably in the designated position, and it is convenient for the pump to pump out the accumulated water. A handle is fixedly installed on the outer side of the top of the first pump shell, which is convenient for using the handle to move the device to the designated position. A first magnetic block is fixedly installed on one side of the handle, which is convenient for the first magnetic block to be magnetically connected with the second magnetic block, so that the water level sensing control component can be stored on one side of the handle, so that it is convenient to store the water level sensing control component, and it is convenient to drive the water level sensing control component to move when the handle is used to move the water pump component. The utility model can detect the water level in the accumulated water area, control the pump to discharge the accumulated water when the accumulated water accumulates, and control the pump to shut down after the accumulated water is pumped out, which is beneficial to saving electricity and has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 A schematic diagram of the three-dimensional structure of a water-saving pump provided by the utility model Figure 1 ;

[0025] Figure 2 A three-dimensional structural diagram of a water level sensing control assembly provided by the utility model;

[0026] Figure 3 A schematic diagram of the three-dimensional structure of a water-saving pump provided by the utility model Figure 2 ;

[0027] Figure 4 An exploded view of the filter assembly provided by the utility model;

[0028] Figure 5 This is a cutaway view of the filter assembly provided by the utility model.

[0029] In the figure: 101, water pump assembly; 10101, first pump housing; 10102, second pump housing; 10103, water outlet pipe; 10104, water pipe interface; 10105, support foot; 10106, handle; 10107, first magnetic block; 10108, first connecting line; 10109, second connecting line; 102, water level sensor control assembly; 10201, waterproof housing; 10202, Induction area; 10203, second magnetic block; 10204, wire protection tube; 103, filter assembly; 10301, fixing ring; 10302, filter element; 10303, limiting slide groove; 10304, first sealing ring; 10305, sliding sleeve; 10306, floating block; 10307, ​​limiting slider; 10308, second sealing ring; 10309, filter screen; 10310, water inlet groove. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0032] Embodiment 1 of the utility model of a kind of economical water pump

[0033] The utility model provides the following technical solutions: Figure 1-Figure 5As shown, a water-saving water pump includes a water pump component 101 and a water level sensing control component 102. The water level sensing control component 102 includes a waterproof shell 10201. A water level sensor is fixedly installed inside the waterproof shell 10201. A sensing area 10202 is provided on one side of the waterproof shell 10201. The water level sensor is fixedly installed inside the waterproof shell 10201. The sensing area 10202 is provided on one side of the waterproof shell 10201. The water level sensor is conveniently installed inside the waterproof shell 10201 to detect the water level of the water accumulation area. It is convenient to shut down the pump after the device pumps out the accumulated water, saving electricity. When water starts to accumulate, the pump is triggered to work and the accumulated water is pumped out. A second magnetic block 10203 is fixedly installed on the other side of the waterproof shell 10201. The water pump assembly 101 includes a first pump shell 10101 and a second pump shell 10102. Pumps are fixedly installed on the inner sides of the first pump shell 10101 and the second pump shell 10102. The pumps are fixedly installed on the inner sides of the first pump shell 10101 and the second pump shell 10102, so that the first pump shell 10101 and the second pump shell 10102 can protect the internal pump. A filter assembly 103 is provided on the inner side of the bottom end of the second pump shell 10102. A filter assembly 103 is provided on the inner side of the bottom end of the second pump casing 10102, which is convenient for filtering the accumulated water when the device is pumping out, so as to prevent foreign matter from clogging the pump. A support foot 10105 is fixedly installed on the bottom of the second pump casing 10102, which is convenient for stably placing the device in a designated position, so that the pump can pump out the accumulated water. A handle 10106 is fixedly installed on the outer side of the top end of the first pump casing 10101, which is convenient for carrying the handle. Hand 10106 moves the device to the specified position, and a first magnetic block 10107 is fixedly installed on one side of the handle 10106. The first magnetic block 10107 is fixedly installed on one side of the handle 10106, so that the first magnetic block 10107 is magnetically connected to the second magnetic block 10203, thereby storing the water level sensing control component 102 on one side of the handle 10106, thereby facilitating the storage of the water level sensing control component 102 and facilitating the movement of the water level sensing control component 102 when the handle 10106 is used to move the water pump component 101.

[0034] Embodiment 2 of the utility model of a kind of economical water pump

[0035] Reference Figure 1-Figure 3As shown, the first pump housing 10101 has a first connecting line 10108 and a second connecting line 10109 fixedly installed on the top, and one end of the first connecting line 10108 is fixedly connected to the top of the waterproof housing 10201. The first connecting line 10108 and the second connecting line 10109 are fixedly installed on the top of the first pump housing 10101, and one end of the first connecting line 10108 is fixedly connected to the top of the waterproof housing 10201, so that the first connecting line 10108 can electrically connect the water level sensing control component 102 with the water pump component 101, thereby facilitating the water level sensing control component 102 to sense the water level and control the water pump component 101. The second connecting line 10109 is convenient for connecting the device to an external power supply, so as to facilitate the use of the device. The first connecting line 10108 and the waterproof housing 102 01 is connected with a wire protection tube 10204 fixedly installed on one end, and is connected with the waterproof shell 10201 through the first connecting line 10108 and the waterproof shell 10201 through the first connecting line 10108. The wire protection tube 10204 is used to protect the connection between the first connecting line 10108 and the waterproof shell 10201. A water outlet pipe 10103 is fixedly installed on one side of the second pump shell 10102, and a water pipe interface 10104 is fixedly installed on one end of the water outlet pipe 10103. The water outlet pipe 10103 is fixedly installed on one side of the second pump shell 10102, and a water pipe interface 10104 is fixedly installed on one end of the water outlet pipe 10103, which is convenient for connecting the drainage pipeline with the water pipe interface 10104, so that the accumulated water pumped out by the pump can flow out from the water outlet pipe 10103, and the accumulated water that flows out can be discharged from the drainage pipeline to the designated position.

[0036] Embodiment 3 of the utility model of a kind of economical water pump

[0037] Reference Figure 1-Figure 5As shown, the filter assembly 103 includes a fixing ring 10301, the top of the fixing ring 10301 is fixedly connected to the second pump housing 10102, and a filter element 10302 is fixedly installed at the bottom of the fixing ring 10301. The top of the fixing ring 10301 is fixedly connected to the second pump housing 10102, and the filter element 10302 is fixedly installed at the bottom of the fixing ring 10301, so that the filter element 10302 can perform secondary filtration on fine impurities in the accumulated water to prevent the impurities from clogging the pump. A sliding sleeve 10305 is provided on the outer side of the fixing ring 10301, and a filter screen 10309 is fixedly installed at the bottom of the sliding sleeve 10305. The filter screen 10309 is arranged at the bottom of the filter element 10302, and the filter screen 10309 is fixedly installed at the bottom of the sliding sleeve 10305. The filter screen 10309 is arranged at the bottom of the filter element 10302, so that the filter screen 10309 can perform primary filtering on larger foreign matter. A limiting slide groove 10303 is arranged on the outer side of the fixing ring 10301, and a limiting slider 10307 is fixedly installed on the inner side of the sliding sleeve 10305. The limiting slider 10307 is slidably connected with the limiting slide groove 10303. The limiting slider 10307 is slidably connected with the limiting slide groove 10303, so that the sliding of the sliding sleeve 10305 can be limited. The sliding of the sleeve 10305 is more stable. The outer side of the sliding sleeve 10305 is provided with a floating block 10306, and the bottom of the sliding sleeve 10305 is provided with a water inlet groove 10310. When there is a lot of water accumulation, the floating block 10306 drives the fixed ring 10301 to float up due to the buoyancy. When the water accumulation is shallow, the sliding sleeve 10305 falls to make the bottom fit with the ground, which is conducive to concentrating the suction generated by the pump machine to the shallow water accumulation, and the accumulated water enters the water pump assembly 101 from the water inlet groove 10310 A first sealing ring 10304 is fixedly installed on the bottom outer side of the fixing ring 10301, and a second sealing ring 10308 is fixedly connected to the bottom of the limiting slider 10307 inside the sliding sleeve 10305. The first sealing ring 10304 is fixedly installed on the bottom outer side of the fixing ring 10301, and a second sealing ring 10308 is fixedly connected to the bottom of the limiting slider 10307 inside the sliding sleeve 10305. When the sliding sleeve 10305 falls, the first sealing ring 10304 and the second sealing ring 10308 are fitted together, so that the top of the sliding sleeve 10305 is sealed, thereby concentrating the suction force on the shallow water accumulation area at the bottom.

[0038] Specifically, the working principle of this energy-saving water pump is as follows: when in use, a handle 10106 is fixedly installed on the outer side of the top of the first pump housing 10101, so that the device can be moved to a specified position using the handle 10106; a first magnetic block 10107 is fixedly installed on one side of the handle 10106, so that the first magnetic block 10107 is magnetically connected to the second magnetic block 10203, so that the water level sensing control component 102 can be stored on one side of the handle 10106, so that the water level sensing control component 102 can be stored conveniently, and the water level sensing control component 102 can be driven to move when the water pump component 101 is moved using the handle 10106; a first connecting line 10108 and a second connecting line 10109 are fixedly installed on the top of the first pump housing 10101. Wiring 10109, one end of the first connecting line 10108 is fixedly connected to the top of the waterproof shell 10201, so that the first connecting line 10108 can electrically connect the water level sensing control component 102 with the water pump component 101, so that the water level sensing control component 102 can sense the water level to control the water pump component 101. The second connecting line 10109 is convenient for connecting the device to an external power supply, so as to power the device. A wire protection tube 10204 is fixedly installed at one end connected to the waterproof shell 10201 by the first connecting line 10108, so that the wire protection tube 10204 can protect the connection between the first connecting line 10108 and the waterproof shell 10201. A pump machine is fixedly installed on the inner side of the first pump shell 10101 and the second pump shell 10102. , which is convenient for the first pump housing 10101 and the second pump housing 10102 to protect the internal pump machine. A water level sensor is fixedly installed inside the waterproof housing 10201. A sensing area 10202 is provided on one side of the waterproof housing 10201, which is convenient for the water level sensor to detect the water level in the water accumulation area, and convenient for shutting down the pump machine after the device pumps out the accumulated water to save electricity. When the accumulated water begins to accumulate, the pump machine is triggered to pump out the accumulated water. A filter screen 10309 is fixedly installed at the bottom of the sliding sleeve 10305. The filter screen 10309 is arranged at the bottom of the filter element 10302, which is convenient for the filter screen 10309 to perform primary filtering on larger foreign matter. It is fixedly connected to the second pump housing 10102 through the top of the fixing ring 10301, and a filter element is fixedly installed at the bottom of the fixing ring 10301 10302, which is convenient for the filter element 10302 to perform secondary filtration on the fine impurities in the accumulated water to prevent the impurities from clogging the pump. The limiting slider 10307 is slidably connected with the limiting slide groove 10303, which is convenient for limiting the sliding of the sliding sleeve 10305, so that the sliding of the sliding sleeve 10305 is more stable. A floating block 10306 is sleeved on the outer side of the sliding sleeve 10305, and a water inlet groove 10310 is opened at the bottom of the sliding sleeve 10305, so that when there is a lot of accumulated water, the buoyancy of the floating block 10306 drives the fixed ring 10301 to float up. When the accumulated water is shallow, the sliding sleeve 10305 falls to make the bottom fit with the ground, which is conducive to concentrating the suction generated by the pump to the shallow accumulated water, and the accumulated water enters the water pump assembly 101 from the water inlet groove 10310.A first sealing ring 10304 is fixedly installed on the bottom of the outer side of the fixing ring 10301, and a second sealing ring 10308 is fixedly connected to the bottom of the limiting slider 10307 inside the sliding sleeve 10305, so that when the sliding sleeve 10305 falls, the first sealing ring 10304 and the second sealing ring 10308 fit together, so as to seal the top of the sliding sleeve 10305, so that the suction force is concentrated on the shallow water accumulation area at the bottom.

[0039] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A water-saving pump, characterized in that: The invention comprises a water pump assembly (101) and a water level sensing control assembly (102), wherein the water level sensing control assembly (102) comprises a waterproof shell (10201), a water level sensor is fixedly installed inside the waterproof shell (10201), a sensing area (10202) is provided on one side of the waterproof shell (10201), and a second magnetic block (10203) is fixedly installed on the other side of the waterproof shell (10201), and the water pump assembly (101) comprises a first pump shell (10101) and a second A pump housing (10102), wherein a pump is fixedly installed on the inner side of the first pump housing (10101) and the second pump housing (10102), a filter assembly (103) is provided on the inner side of the bottom end of the second pump housing (10102), a support foot (10105) is fixedly installed on the bottom of the second pump housing (10102), a handle (10106) is fixedly installed on the outer side of the top end of the first pump housing (10101), and a first magnetic block (10107) is fixedly installed on one side of the handle (10106).

2. A water-saving pump according to claim 1, characterized in that: A first connecting line (10108) and a second connecting line (10109) are fixedly installed on the top of the first pump housing (10101); one end of the first connecting line (10108) is fixedly connected to the top of the waterproof housing (10201); and a wire protection tube (10204) is fixedly installed on one end of the first connecting line (10108) connected to the waterproof housing (10201).

3. The water-saving pump according to claim 1, characterized in that: A water outlet pipe (10103) is fixedly mounted on one side of the second pump housing (10102), and a water pipe interface (10104) is fixedly mounted on one end of the water outlet pipe (10103).

4. The economical water pump according to claim 1, characterized in that: The filter assembly (103) comprises a fixing ring (10301), the top of the fixing ring (10301) is fixedly connected to the second pump housing (10102), and the bottom of the fixing ring (10301) is fixedly mounted with a filter element (10302).

5. The water-saving water pump according to claim 4, characterized in that: A sliding sleeve (10305) is sleeved on the outside of the fixing ring (10301), a filter screen (10309) is fixedly installed on the bottom of the sliding sleeve (10305), and the filter screen (10309) is arranged at the bottom of the filter element (10302).

6. The economical water pump according to claim 5, characterized in that: A limiting sliding groove (10303) is provided on the outer side of the fixing ring (10301), a limiting sliding block (10307) is fixedly installed on the inner side of the sliding sleeve (10305), and the limiting sliding block (10307) is slidably connected to the limiting sliding groove (10303).

7. The economical water pump according to claim 6, characterized in that: A floating block (10306) is sleeved on the outer side of the sliding sleeve (10305), and a water inlet groove (10310) is opened at the bottom of the sliding sleeve (10305).

8. The economical water pump according to claim 7, characterized in that: A first sealing ring (10304) is fixedly installed on the bottom of the outer side of the fixing ring (10301), and a second sealing ring (10308) is fixedly connected to the bottom of the limiting sliding block (10307) on the inner side of the sliding sleeve (10305).

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