Suspended rotor structure

Abstract

The utility model relates to the technical field of vehicle-mounted water pumps. A suspension type rotor structure comprises a water pump impeller, a stator structure and a rotor structure, and the rotor structure and the water pump impeller are integrally formed in an injection mode. The rotor structure comprises a rotor and an external rotor shell, a magnet is injection-molded in the rotor shell, the rotor structure is a spherical structure, and a groove is formed in the center of the rotor; the stator structure comprises a stator and an external stator shell, a rotor groove matched with the rotor structure is formed in the stator, and a rotating shaft is fixedly arranged at the center position in the rotor groove. The utility model provides a suspension type rotor structure which is convenient to assemble, small in size, better in adaptability, good in waterproofness of a product, good in sealing performance, and capable of greatly reducing noise during working and greatly prolonging the service life of the product. The technical problems that in the prior art, an existing traditional water pump is single in structure, large in size, low in working efficiency, large in noise during working, serious in abrasion and limited in service life are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle-mounted water pump technical field especially relates to a suspension type rotor structure. BACKGROUND

[0002] With the development of economy, people's living standard gradually improves, and the car has become one of the public's first choice of transportation tools. The automobile industry develops rapidly, and with the development of automobile performance to more safe, more reliable, more stable, environmental protection and energy saving direction, in order to ensure the stable operation of automobile power assembly, it is necessary to equip perfect actuating mechanism, therefore, each actuator with motor is used on automobile power assembly in large quantities, including hydraulic actuator, gear shifting actuator, brake booster etc.

[0003] In order to ensure the cooling of engine, water pump is needed to provide power for cooling liquid circulation, the traditional water pump is driven by engine, the overall structure is big, the working efficiency is low, the noise is big, and it can not meet the demand of current new energy electric drive, therefore, it is necessary to improve the working efficiency of water pump, reduce the noise and vibration, and reduce the product volume as far as possible, therefore, it is necessary to improve. UTILITY MODEL CONTENT

[0004] The utility model provides a suspension type rotor structure which is convenient to assemble, small in size, better in adaptability, good in waterproofness and sealing, can greatly reduce the noise during work and greatly improve the service life of product, solves the technical problems of single structure of current traditional water pump, big size of traditional water pump, low working efficiency, big noise during work, serious wear and tear and limited service life in the prior art.

[0005] The above technical problems of the utility model are solved through the following technical scheme: a suspension type rotor structure, including water pump impeller, stator structure and rotor structure, the rotor structure and water pump impeller are integrally injection molded, the rotor structure includes rotor and external rotor shell, the rotor shell is injection molded with magnet, the rotor structure is spherical surface structure, and the rotor center is provided with recess, the stator structure includes stator and external stator shell, the stator is provided with rotor groove matched with the rotor structure, and the rotor groove is fixedly provided with rotating shaft matched with the recess on the rotor in the central position, the water pump rotor in the utility model only relies on the magnet attraction and the stator attraction, when the rotor is static, the recess in the rotor is on the spherical head structure of the rotating shaft, when the water pump works, the lifting force generated by the water pump impeller and the magnet attraction reach balance, at this moment, the rotor and the spherical head structure of the rotating shaft are separated, and there is no contact between them, reach the suspension state, compared with the traditional bearing structure, the non-contact type rotating mode greatly reduces the noise and improves the efficiency, and due to the non-contact type, almost no wear and tear, so the service life is very long.

[0006] As preferred, the rotor slot is a "bowl" shaped recess embedded with the rotor structure, and the rotating shaft is fixed at the center position of the bottom of the rotor slot.

[0007] As preferred, the rotating shaft is a multi-section ball head structure. The multi-section ball head structure rotating shaft is formed by turning, ensuring precision and smoothness, and the rotating shaft can be made of metal or plastic according to actual needs, and can be adjusted according to actual needs.

[0008] As preferred, the recess is a multi-section stepped groove. The recess on the rotor corresponds to the rotating shaft, and is designed as a multi-section stepped groove according to the structure of the rotating shaft.

[0009] As preferred, the stepped structure of the recess matches the multi-section structure of the rotating shaft.

[0010] As preferred, the stator shell and the rotor shell are both aluminum metal shells. The metal shell outside the stator and the rotor can improve the waterproof performance of the product, and the aluminum metal shell has good heat dissipation performance, which can greatly reduce the temperature of the product during work.

[0011] As preferred, the rotor is only attracted to the stator by the magnetic force. The rotor in the water pump of the utility model is only attracted to the stator by the magnetic force, and when the rotor is stationary, the recess in the rotor is on the ball head structure of the rotating shaft.

[0012] Therefore, the utility model has the following advantages: convenient assembly, small size, better adaptability, good waterproofness and good sealing of the product, which can greatly reduce the noise during work, and the rotor and the stator hardly produce wear during work, which can greatly improve the service life of the product. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a perspective structure schematic diagram of an embodiment of the utility model discloses a kind of suspension rotor structure.

[0014] Figure 2 is Figure 1 Main view sectional structure schematic diagram.

[0015] Figure 3 is Figure 1 The stator structure of in is a perspective structure schematic diagram.

[0016] Figure 4 is Figure 3 Main view sectional structure schematic diagram.

[0017] Figure 5 is Figure 1A perspective view of the structure of the middle rotor.

[0018] Figure 6 is Figure 5 A front view of the structure of the main section.

[0019] In the figure, the water pump impeller 1, the rotor 2, the rotor shell 3, the magnet 4, the recess 5, the stator 6, the stator shell 7, the rotor slot 8, and the rotating shaft 9. DETAILED DESCRIPTION

[0020] The technical scheme of the utility model will be further specifically explained below by taking examples and in combination with the drawings.

[0021] Example:

[0022] As Figure 1 and 2 and 3 and 4 and 5 and 6, a suspended rotor structure comprises a water pump impeller 1, a stator 6 structure, and a rotor 2 structure, the rotor 2 structure and the water pump impeller 1 are integrally injection molded, the rotor 2 structure comprises a rotor 2 integrally injection molded with the water pump impeller 1 and an external rotor shell 3, the rotor shell 3 is internally injection molded with a magnet 4, the rotor 2 structure is a smooth spherical structure, and a recess 5 is arranged at the center of the rotor 2.

[0023] The stator 6 structure comprises a stator 6 matched with the rotor 2 structure and an external stator shell 7, the surface of the stator 6 is integrally formed with a rotor slot 8 matched with the rotor 2 structure, the rotor slot 8 is a “bowl”-shaped recess 5 matched with the rotor 2 structure, and a rotating shaft 9 matched with the recess 5 of the rotor 2 is fixedly installed at the center position of the bottom of the rotor slot 8.

[0024] The rotating shaft 9 is a multi-section ball head structure; the recess 5 is a multi-section stepped groove, and the stepped structure of the recess 5 is matched with the multi-section structure of the rotating shaft 9.

[0025] The stator shell 7 and the rotor shell 3 are both aluminum metal shells, and the rotor 2 is only attracted to the stator 6 by the suction force of the magnet 4.

[0026] The rotor 2 structure of the utility model is a spherical structure, which can greatly reduce the product volume and better adaptability; the metal shell outside the stator 6 and the rotor 2 can improve the waterproof performance of the product, and the aluminum metal shell has heat dissipation performance, which can greatly reduce the temperature of the product during work.

[0027] The water pump rotor 2 only relies on the magnet 4 suction and the stator 6 suction, when the rotor 2 is static, the recess 5 in the rotor 2 is on the ball head structure of the rotating shaft 9; when the water pump works, the lifting force produced by the water pump impeller 1 and the magnet 4 suction reach the balance, at this time, the rotor 2 and the ball head structure of the rotating shaft 9 are separated, and the two are not in contact, reach the suspended state, compared with the traditional bearing structure, this non-contact rotating mode greatly reduces the noise, improves the efficiency, and because of the non-contact, almost no wear, therefore, the service life is very long.

[0028] The specific embodiments described herein are merely illustrative of the principles of the application. Various modifications or changes in light thereof can be made by persons skilled in the art to which the application pertains without departing from the spirit of the application and the scope of the appended claims.

Claims

1. A suspended rotor structure, characterized in that: The system includes a water pump impeller, a stator structure, and a rotor structure, with the rotor structure and the water pump impeller integrally injection molded. The rotor structure includes a rotor and an external rotor housing, with a magnet injection molded inside the rotor housing. The rotor structure is a spherical structure, and a groove is formed at the center of the rotor. The stator structure includes a stator and an external stator housing, with a rotor slot on the stator that mates with the rotor structure. A rotating shaft that mates with the groove on the rotor is fixed at the center of the rotor slot.

2. The suspended rotor structure according to claim 1, characterized in that: The rotor slot is a bowl-shaped groove that fits into the rotor structure, and the rotating shaft is fixed at the center of the bottom of the rotor slot.

3. The suspended rotor structure according to claim 1, characterized in that: The aforementioned shaft is a multi-segment ball joint structure.

4. The suspended rotor structure according to claim 1, characterized in that: The groove is a multi-segment stepped groove.

5. A suspended rotor structure according to claim 4, characterized in that: The stepped structure of the groove matches the multi-segment structure of the rotating shaft.

6. A suspended rotor structure according to claim 1, characterized in that: Both the stator housing and the rotor housing are made of aluminum.

7. A suspended rotor structure according to claim 1, characterized in that: The rotor is attracted to the stator solely by the magnetic force.

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