A stator core assembly for a new energy vehicle water pump

Abstract

The utility model relates to stator core structure technical field discloses a kind of stator core assemblies for new energy automobile water pump, including stator core outer ring.The utility model is cooperated with several outer ring connecting rings by the outer ring connecting groove of several stator core outer rings through respective surface, realize mutual connection, form integral stator core structure, improve the overall mechanical strength and stability of assembly.Several inner ring positioning clamping grooves in stator core outer ring interior are used to cooperate with the inner ring structure of stator core, such as tooth portion, winding support structure etc., realize the accurate positioning of inner ring and stator core outer ring, guarantee the concentricity and positional accuracy after the assembly of both, ensure the uniformity of motor magnetic circuit, reduce the energy loss caused by magnetic field distortion.Single component size is smaller, processing difficulty is reduced, die cost is also reduced accordingly, while scrap rate is reduced, and natural heat dissipation channel can be formed, which is beneficial to the circulation of coolant or air.

Description

Technical Field

[0001] This utility model relates to the field of stator core structure technology, and in particular to a stator core assembly for a water pump in a new energy vehicle. Background Technology

[0002] The stator core assembly is involved in a key component of the powertrain system of new energy vehicles—the water pump. The water pump is used in the cooling system to circulate coolant, ensuring that core components such as the battery and electronic control unit (ECU) are maintained within a safe temperature range during operation. With the continuous advancement of new energy vehicle technology, the performance requirements for water pumps are becoming increasingly stringent. As a crucial part of the water pump, the design and material optimization of the stator core assembly directly affect the efficiency, stability, and durability of the water pump.

[0003] In the existing technology, the traditional integrated stator core is large in size and complex in shape. In the stamping, forming and other processing stages, the requirements for mold precision and processing equipment are extremely high. The processing is difficult and the scrap rate is high. In addition, its overall flexibility is poor and the heat dissipation efficiency is low. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a stator core assembly for a water pump in a new energy vehicle.

[0005] This utility model is achieved by the following technical solution: a stator core assembly for a water pump in a new energy vehicle, including a stator core outer ring, an inner ring positioning groove is provided inside the stator core outer ring, an outer ring connecting groove is provided on the surface of the stator core outer ring, and an outer ring connecting ring is provided on the inner wall of the outer ring connecting groove.

[0006] As a further improvement to the above scheme, the stator core outer ring is provided with a number of slots, the inner ring positioning slots are provided with a number of slots, and the outer ring connecting slots are provided with a number of slots.

[0007] As a further improvement to the above solution, a plurality of outer ring connecting rings are provided, and the plurality of outer ring connecting rings connect the plurality of stator core outer rings through outer ring connecting grooves.

[0008] Through the above technical solution, several stator core outer rings are connected to each other through outer ring connecting grooves on their respective surfaces and several outer ring connecting rings, forming an integral stator core structure, thereby improving the overall mechanical strength and stability of the assembly.

[0009] As a further improvement to the above solution, a toothed connecting block is slidably connected to the inner wall of the inner ring positioning slot, and the end of the toothed connecting block away from the inner ring positioning slot is fixedly connected to the inner ring of the stator core.

[0010] As a further improvement to the above scheme, a central circular hole is provided inside the inner ring of the stator core, and an inner ring connecting groove is provided on the surface of the toothed connecting block.

[0011] As a further improvement to the above solution, the toothed connecting block has an inner ring connecting groove 2 on its surface, an inner ring connecting ring 1 is provided on the inner wall of the inner ring connecting groove 1, and an inner ring connecting ring 2 is provided on the inner wall of the inner ring connecting groove 2.

[0012] As a further improvement to the above scheme, the stator core inner ring is provided with a number of teeth-shaped connecting blocks, the inner ring connecting groove one is provided with a number of inner ring connecting groove two is provided with a number of inner ring connecting ring one is provided with a number of inner ring connecting ring two is provided with a number of inner ring connecting rings one and two.

[0013] As a further improvement to the above scheme, several inner ring connecting rings one connect several stator core inner rings through inner ring connecting groove one, and several inner ring connecting rings two connect several stator core inner rings through inner ring connecting groove two.

[0014] Through the above technical solution, the inner ring of the stator core is slidably connected to the inner wall of the inner ring positioning slot via a toothed connecting block, achieving precise docking with the outer ring of the stator core and ensuring the concentricity of the two after assembly, thus providing a foundation for the stability of the motor's magnetic circuit. Several inner rings of the stator core cooperate with several inner ring connecting rings via inner ring connecting grooves on their surfaces.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: This invention utilizes several stator core outer rings connected to several outer ring connecting rings via outer ring connecting grooves on their respective surfaces to form an integral stator core structure, thereby improving the overall mechanical strength and stability of the assembly. Several inner ring positioning grooves inside the stator core outer rings are used to engage with the inner ring structures of the stator core, such as teeth and winding support structures, to achieve precise positioning of the inner rings and stator core outer rings. This ensures concentricity and positional accuracy after assembly, guarantees the uniformity of the motor's magnetic circuit, and reduces energy loss caused by magnetic field distortion. Furthermore, individual components are smaller, reducing processing difficulty and mold costs, while also lowering the scrap rate. The design also creates natural heat dissipation channels, facilitating the flow of coolant or air, and improving stability, flexibility, and reliability during long-term operation.

[0016] This invention achieves precise alignment with the outer stator core ring by sliding the inner ring of the stator core with the inner ring positioning groove via a toothed connecting block, ensuring concentricity after assembly and providing a foundation for the stability of the motor's magnetic circuit. Several inner stator core rings are interconnected through inner ring connecting groove one on their surface and several inner ring connecting ring one, and simultaneously through inner ring connecting groove two and several inner ring connecting ring two, forming a stable overall inner ring structure. This enhances the mechanical strength of the inner ring to withstand the electromagnetic forces generated during motor operation. The central circular hole inside the inner stator core ring accommodates the rotor and other components of the water pump motor, providing space for rotor rotation. Through precise positioning, modular connection, and functional adaptation, this design solves the problems of low precision, weak strength, and difficult maintenance associated with traditional inner rings, ensuring the motor can properly convert electromagnetic energy and guaranteeing the stable operation of the water pump in new energy vehicles. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the outer ring structure of the stator core of this utility model; Figure 3 This is a schematic diagram of the outer ring connecting ring structure of this utility model; Figure 4 This is a schematic diagram of the inner ring structure of the stator core of this utility model; Figure 5 This is a schematic diagram of the inner ring connecting ring of this utility model.

[0018] Explanation of key symbols: 1. Stator core outer ring; 2. Inner ring positioning slot; 3. Outer ring connecting slot; 4. Outer ring connecting ring; 5. Stator core inner ring; 6. Central circular hole; 7. Toothed connecting block; 8. Inner ring connecting slot one; 9. Inner ring connecting slot two; 10. Inner ring connecting ring one; 11. Inner ring connecting ring two. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0020] Example: Please combine Figure 1-5 This embodiment provides a stator core assembly for a water pump in a new energy vehicle, including a stator core outer ring 1, an inner ring positioning groove 2 inside the stator core outer ring 1, an outer ring connecting groove 3 on the surface of the stator core outer ring 1, and an outer ring connecting ring 4 on the inner wall of the outer ring connecting groove 3.

[0021] The stator core outer ring 1 has several, the inner ring positioning slot 2 has several, and the outer ring connecting slot 3 has several.

[0022] Several outer ring connecting rings 4 are provided, and several outer ring connecting rings 4 connect several stator core outer rings 1 through outer ring connecting grooves 3.

[0023] The inner wall of the inner ring positioning slot 2 is slidably connected with a toothed connecting block 7, and the end of the toothed connecting block 7 away from the inner ring positioning slot 2 is fixedly connected to the inner ring of the stator core 5.

[0024] The stator core inner ring 5 has a central circular hole 6 inside, and the toothed connecting block 7 has an inner ring connecting groove 8 on its surface.

[0025] The toothed connecting block 7 has an inner ring connecting groove 2 9 on its surface. The inner wall of the inner ring connecting groove 1 8 is provided with an inner ring connecting ring 10, and the inner wall of the inner ring connecting groove 2 9 is provided with an inner ring connecting ring 2 11.

[0026] The stator core inner ring 5 is provided with several teeth-shaped connecting blocks 7, inner ring connecting groove 1 8 is provided with several inner ring connecting groove 2 9 is provided with several inner ring connecting ring 1 10 and inner ring connecting ring 2 11 are provided with several.

[0027] Several inner ring connecting rings 10 connect several stator core inner rings 5 ​​through inner ring connecting groove 8, and several inner ring connecting rings 21 connect several stator core inner rings 5 ​​through inner ring connecting groove 29.

[0028] The implementation principle of a stator core assembly for a water pump in a new energy vehicle in this application embodiment is as follows: Several stator core outer rings 1 are interconnected with several outer ring connecting rings 4 through outer ring connecting grooves 3 on their respective surfaces, forming an integral stator core structure and improving the overall mechanical strength and stability of the assembly. Several inner ring positioning grooves 2 inside the stator core outer ring 1 are used to cooperate with the inner ring structure of the stator core, such as teeth and winding support structures, to achieve precise positioning of the inner ring and the stator core outer ring 1, ensuring concentricity and positional accuracy after assembly, ensuring the uniformity of the motor magnetic circuit, and reducing energy loss caused by magnetic field distortion. Furthermore, the smaller size of individual components reduces processing difficulty and mold costs, while also lowering the scrap rate. It also creates natural heat dissipation channels, facilitating the flow of coolant or air, and improving stability, flexibility, and reliability during long-term operation. The stator core inner ring 5 can slide and connect with the inner ring positioning groove 2 via the toothed connecting block 7, achieving precise alignment with the stator core outer ring 1, ensuring concentricity after assembly and providing a foundation for the stability of the motor's magnetic circuit. Several stator core inner rings 5 ​​are interconnected through inner ring connecting groove 1 8 and several inner ring connecting ring 1 10, and simultaneously through inner ring connecting groove 2 9 and several inner ring connecting ring 2 11, forming a stable overall inner ring structure. This enhances the mechanical strength of the inner ring to withstand the electromagnetic forces generated during motor operation. The central circular hole 6 inside the inner ring 5 of the stator core is used to accommodate the rotor and other components of the water pump motor, providing space for the rotor to rotate. Through precise positioning, modular connection and functional adaptation design, the problems of low precision, weak strength and difficult maintenance of traditional inner rings are solved, ensuring that the motor can realize electromagnetic energy conversion normally and ensuring the stable operation of the water pump of new energy vehicles.

[0029] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A stator core assembly for a water pump in a new energy vehicle, characterized in that, It includes a stator core outer ring (1), an inner ring positioning groove (2) is provided inside the stator core outer ring (1), an outer ring connecting groove (3) is provided on the surface of the stator core outer ring (1), and an outer ring connecting ring (4) is provided on the inner wall of the outer ring connecting groove (3).

2. The stator core assembly for a water pump in a new energy vehicle as described in claim 1, characterized in that: The stator core outer ring (1) is provided with a number of slots, the inner ring positioning slot (2) is provided with a number of slots, and the outer ring connecting slot (3) is provided with a number of slots.

3. The stator core assembly for a water pump in a new energy vehicle as described in claim 1, characterized in that: The outer ring connecting ring (4) is provided in a plurality of them, and the plurality of outer ring connecting rings (4) connect the plurality of stator core outer rings (1) through the outer ring connecting groove (3).

4. The stator core assembly for a water pump in a new energy vehicle as described in claim 1, characterized in that: The inner wall of the inner ring positioning slot (2) is slidably connected to a toothed connecting block (7), and the end of the toothed connecting block (7) away from the inner ring positioning slot (2) is fixedly connected to the inner ring of the stator core (5).

5. A stator core assembly for a water pump in a new energy vehicle as described in claim 4, characterized in that: The stator core inner ring (5) has a central circular hole (6) inside, and the toothed connecting block (7) has an inner ring connecting groove (8) on its surface.

6. The stator core assembly for a water pump in a new energy vehicle as described in claim 5, characterized in that: The toothed connecting block (7) has an inner ring connecting groove 2 (9) on its surface. The inner wall of the inner ring connecting groove 1 (8) is provided with an inner ring connecting ring 1 (10), and the inner wall of the inner ring connecting groove 2 (9) is provided with an inner ring connecting ring 2 (11).

7. A stator core assembly for a water pump in a new energy vehicle as described in claim 6, characterized in that: The stator core inner ring (5) is provided with a number of teeth-shaped connecting blocks (7), the inner ring connecting groove one (8) is provided with a number of teeth, the inner ring connecting groove two (9) is provided with a number of teeth, the inner ring connecting ring one (10) is provided with a number of teeth, and the inner ring connecting ring two (11) is provided with a number of teeth.

8. The stator core assembly for a water pump in a new energy vehicle as described in claim 7, characterized in that: A plurality of inner ring connecting rings one (10) connect a plurality of stator core inner rings (5) through inner ring connecting groove one (8), and a plurality of inner ring connecting rings two (11) connect a plurality of stator core inner rings (5) through inner ring connecting groove two (9).

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