Small water pump

Abstract

The utility model discloses a small water pump which comprises a water pump main body, the water pump main body comprises a pump body upper cover and a pump body lower cover, the pump body upper cover and the pump body lower cover are oppositely connected in a clamping mode, and a flow deflector, a motor assembly and a pump main wheel are respectively installed between the pump body upper cover and the pump body lower cover. The flow deflector, the motor assembly and the pump main wheel are sequentially arranged, a connecting middle shaft is arranged at the lower end of the motor assembly, and the lower end of the connecting middle shaft is connected with the pump main wheel. The small water pump is simple in structure and convenient to produce and assemble, and does not need to be fixed through a fastener in the assembling process, so that the material cost is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of water pumps, and in particular relates to a small water pump that is easy to assemble. Background Art

[0002] As liquid transport equipment, water pumps are widely used in various industries, such as industry, agriculture, domestic sewage treatment, and horticultural irrigation. With the continuous development of technology, the market demand for water pumps is showing a trend of diversification and miniaturization. In particular, in small water circulation systems, the demand for small water pumps that are easy to assemble and operate efficiently is increasing.

[0003] Traditional water pump designs often rely on multiple fasteners and complex assembly processes. Typically, pump components are connected using fasteners such as screws and bolts, which not only increases assembly difficulty and time during production but also increases material costs. Furthermore, the excessive number of fasteners and components complicates disassembly and repair. Furthermore, poor sealing can create a risk of water leakage during use, potentially threatening sensitive components like the motor assembly and impacting the pump's service life and operating efficiency.

[0004] In view of this, overcoming the defects of the above-mentioned prior art is an urgent problem to be solved in this technical field. Utility Model Content

[0005] In response to the technical problems mentioned in the background technology, the purpose of the present invention is to provide a small water pump with a simple structure, which is easy to produce and assemble, does not require fasteners for fixation during the assembly process, and saves material costs, so as to solve the technical problems mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides a technical solution: a small water pump, which includes a water pump body, the water pump body includes a pump body upper cover and a pump body lower cover, the pump body upper cover and the pump body lower cover are relatively snap-fitted and connected, a guide plate, a motor assembly and a pump main wheel are respectively installed between the pump body upper cover and the pump body lower cover, the guide plate, the motor assembly and the pump main wheel are arranged in sequence, the lower end of the motor assembly is provided with a connecting central shaft, and the lower end of the connecting central shaft is connected to the pump main wheel.

[0007] Furthermore, a first mounting clamp is provided inside the upper cover of the pump body, a second mounting clamp is provided inside the lower cover of the pump body, and the motor assembly is clamped between the first mounting clamp and the second mounting clamp.

[0008] Furthermore, a positioning slot is recessed on the edge of the first mounting card portion, and a positioning edge that matches the positioning slot is protruded on the edge of the second mounting card portion. The positioning edge is embedded in the positioning slot for engagement.

[0009] Furthermore, a first fixing clamp portion is provided above the first installation clamp portion, and a second fixing clamp portion is provided above the second installation clamp portion. The first fixing clamp portion and the second fixing clamp portion are relatively connected to clamp and fix the guide plate.

[0010] Furthermore, a waterproof pad is connected to the outer side of the connecting central axis, one end of the first mounting clamp is recessed with a first pad groove, one end of the second mounting clamp is recessed with a second pad groove, and the waterproof pad is correspondingly clamped between the first pad groove and the second pad groove.

[0011] Furthermore, both ends of the pump body upper cover are respectively provided with connecting clamping columns, and both ends of the pump body lower cover are respectively provided with hollow connecting plugging columns, and the connecting clamping columns are correspondingly inserted into the connecting plugging columns and clamped and fixed.

[0012] The utility model mainly has the following beneficial effects: a guide plate, a motor assembly and a pump main wheel are respectively installed between the upper cover of the pump body and the lower cover of the pump body; the lower end of the motor assembly is provided with a connecting central shaft; the lower end of the connecting central shaft is connected to the pump main wheel; the upper cover of the pump body and the lower cover of the pump body are relatively snap-fitted and connected; the small water pump of the utility model has a simple structure and is easy to produce and assemble; no fasteners are required for fixing during the assembly process, thereby saving material costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0014] Figure 2 It is a schematic diagram of the overall decomposition structure of the utility model.

[0015] Figure 3 This is a schematic diagram of the pump body upper cover structure of the present utility model.

[0016] Figure numerals: water pump body 1; pump body upper cover 10; pump body lower cover 20; guide plate 30; motor assembly 40; pump main wheel 50; connecting central axis 41; first mounting card part 11; second mounting card part 21; positioning card groove 111; positioning card edge 211; first fixed card part 12; second fixed card part 22; waterproof pad 60; first pad groove 112; second pad groove 212; connecting card column 13; connecting plug column 23. DETAILED DESCRIPTION

[0017] like Figures 1 to 3As shown, a small water pump includes a water pump body 1, which includes a pump body upper cover 10 and a pump body lower cover 20. The pump body upper cover 10 is relatively connected to the pump body lower cover 20. A guide plate 30, a motor assembly 40 and a pump main wheel 50 are respectively installed between the pump body upper cover 10 and the pump body lower cover 20. The guide plate 30, the motor assembly 40 and the pump main wheel 50 are arranged in sequence. The lower end of the motor assembly 40 is provided with a connecting shaft 41, and the lower end of the connecting shaft 41 is connected to the pump main wheel 50. When in use, the motor assembly 40 drives the connecting shaft 41 to rotate after being energized, and the connecting shaft 41 further drives the pump main wheel 50 to rotate. The centrifugal force generated by the rotation of the pump main wheel 50 pushes the water flow. The water enters from the inlet, is guided through the guide plate 30, and is finally discharged from the outlet. This design can pump water from a low place to a high place, and is suitable for small water circulation systems. Furthermore, the guide plate 30 can effectively control the direction of the water flow, ensure the smoothness of the water flow through the main wheel of the pump, reduce the occurrence of turbulence, and thus improve the efficiency of the pump. The design structure of this small water pump is compact and easy to produce and assemble.

[0018] During specific implementation, a first mounting card portion 11 is provided inside the upper cover 10 of the pump body, and a second mounting card portion 21 is provided inside the lower cover 20 of the pump body. The motor assembly 40 is mounted between the first mounting card portion 11 and the second mounting card portion 21. The edge of the first mounting card portion 11 is recessed with a positioning card slot 111, and the edge of the second mounting card portion 21 is convexly provided with a positioning card edge 211 adapted to the positioning card slot 111. The positioning card edge 211 is embedded in the positioning card slot 111 and is engaged, thereby making the first mounting card portion 11 and the second mounting card portion 21 relatively connected. When in use, the motor assembly 40 can be easily installed in the pump body through the engaging structure without the need for additional tools or complex fixing devices. During assembly, the user only needs to engage the motor assembly into the corresponding mounting card portion and ensure that the positioning card edge engages with the positioning card slot. The structure is simple and easy to assemble.

[0019] During specific implementation, a first fixing clamp portion 12 is provided above the first mounting clamp portion 11, and a second fixing clamp portion 22 is provided above the second mounting clamp portion 21. The first fixing clamp portion 12 and the second fixing clamp portion 22 are relatively connected to clamp the guide plate 30 to fix it, so that the guide plate 30 is installed between the pump body upper cover 10 and the pump body lower cover 20, avoiding the use of screws or other complex fixing methods, reducing the number of parts, making the assembly structure of the entire water pump more concise, and reducing production costs.

[0020] During specific implementation, a waterproof pad 60 is connected to the outer side of the connecting central axis 41, and a first pad groove 112 is recessed at one end of the first mounting clamp 11, and a second pad groove 212 is recessed at one end of the second mounting clamp 21. The waterproof pad 60 is correspondingly clamped between the first pad groove 112 and the second pad groove 212. When in use, the motor assembly 40 drives the connecting central axis 41 to rotate, and water flows into the pump body from the water inlet, is pushed by the pump main wheel 50, and is discharged through the outlet. Due to the sealing effect of the waterproof pad 60 on the outer side of the connecting central axis 41, water will not leak from the central axis connection part, thereby effectively preventing water outside the water pump from entering the motor or other sensitive components.

[0021] During specific implementation, the upper and lower ends of the pump body upper cover 10 are respectively provided with connecting clamps 13, and the upper and lower ends of the pump body lower cover 20 are respectively provided with hollow connecting plugs 23. The connecting clamps 13 are correspondingly inserted into the connecting plugs 23 and clamped and fixed, so that the pump body upper cover 10 and the pump body lower cover 20 are relatively clamped and connected. During the assembly process, there is no need to fix them with fasteners, which facilitates assembly and saves material costs.

[0022] In summary, the guide plate 30, the motor assembly 40 and the pump main wheel 50 are respectively installed between the pump body upper cover 10 and the pump body lower cover 20. The lower end of the motor assembly 40 is provided with a connecting central shaft 41, and the lower end of the connecting central shaft 41 is connected to the pump main wheel 50. The pump body upper cover 10 and the pump body lower cover 20 are relatively snap-fitted and connected. The small water pump of the utility model has a simple structure and is easy to produce and assemble. No fasteners are required for fixing during the assembly process, which saves material costs.

Claims

1. A small water pump, characterized in that: The invention comprises a water pump body (1), wherein the water pump body (1) comprises a pump body upper cover (10) and a pump body lower cover (20), wherein the pump body upper cover (10) and the pump body lower cover (20) are relatively engaged and connected, and a guide plate (30), a motor assembly (40) and a pump main wheel (50) are respectively installed between the pump body upper cover (10) and the pump body lower cover (20), wherein the guide plate (30), the motor assembly (40) and the pump main wheel (50) are arranged in sequence, and a connecting middle shaft (41) is provided at the lower end of the motor assembly (40), and the lower end of the connecting middle shaft (41) is connected to the pump main wheel (50).

2. The small water pump according to claim 1, characterized in that: A first mounting clamp (11) is provided inside the pump body upper cover (10), a second mounting clamp (21) is provided inside the pump body lower cover (20), and the motor assembly (40) is clamped between the first mounting clamp (11) and the second mounting clamp (21).

3. The small water pump according to claim 2, characterized in that: The edge of the first mounting clamp portion (11) is recessed with a positioning clamping groove (111), and the edge of the second mounting clamp portion (21) is convexly provided with a positioning clamping edge (211) adapted to the positioning clamping groove (111), and the positioning clamping edge (211) is embedded in the positioning clamping groove (111) for clamping connection.

4. The small water pump according to claim 3, characterized in that: A first fixing clamp portion (12) is provided above the first installation clamp portion (11), and a second fixing clamp portion (22) is provided above the second installation clamp portion (21). The first fixing clamp portion (12) and the second fixing clamp portion (22) are relatively connected to clamp and fix the guide plate (30).

5. The small water pump according to claim 4, characterized in that: The outer side of the connecting central axis (41) is connected to a waterproof pad (60); one end of the first mounting clamp (11) is recessed with a first pad groove (112); one end of the second mounting clamp (21) is recessed with a second pad groove (212); and the waterproof pad (60) is correspondingly clamped between the first pad groove (112) and the second pad groove (212).

6. The small water pump according to claim 1, characterized in that: The two ends of the pump body upper cover (10) are respectively provided with connecting clamping columns (13), and the two ends of the pump body lower cover (20) are respectively provided with hollow connecting plugging columns (23), and the connecting clamping columns (13) are correspondingly inserted into the connecting plugging columns (23) and clamped and fixed.

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