CN213279454U - Water pump motor rotor - Google Patents

Abstract

The utility model discloses a water pump electric motor rotor, including pivot, bearing, rotor winding, rotor core, fan, rotor punching, the pivot is passed the bearing rotor winding rotor core with the center of fan, the fan is located the bearing left side, the bearing is located respectively the pivot both ends, rotor winding and rotor core are located in the middle of the pivot, rotor core is in rotor winding is outside, adopts the rotor to deepen the flute profile, and after the motor started, the electric current in the electric motor rotor conducting bar will evenly distributed, and the change of resistance mainly stems from rotor current frequency change around the motor started, has improved the startability of motor effectively.

Description

Water pump motor rotor

Technical Field

The utility model relates to a water pump electric motor rotor field, concretely relates to water pump electric motor rotor.

Background

A motor matched with the water pump generally adopts a squirrel-cage asynchronous motor, large starting torque and small starting current are expected in the starting process of the motor, the resistance of a motor rotor is required to be large at the moment, but in the running process of the motor, the rotor resistance is expected to be small in order to meet the indexes of the motor such as efficiency, power factors and the like.

Disclosure of Invention

In view of the above-mentioned deficiencies or inadequacies in the prior art, it would be desirable to provide a water pump motor rotor.

According to the technical scheme that this application embodiment provided, water pump electric motor rotor, including pivot, bearing, rotor winding, rotor core, fan, rotor punching, the pivot is passed the bearing the rotor winding rotor core with the center of fan, the fan is located the bearing left side, the bearing is fixed respectively the pivot both ends, rotor winding and rotor core are located in the middle of the pivot, rotor core is in the rotor winding is outside.

In the utility model, the rotating shaft is made of round steel.

The utility model discloses in, the rotor winding is heterogeneous symmetry short circuit winding, by cast aluminium in the rotor core inslot forms by both ends end links short circuit.

The utility model discloses in, rotor core by rotor punching is folded and is pressed and form, every inslot of rotor core has a naked conducting bar, naked conducting bar both ends are passed through the end links are connected.

The utility model discloses in, the rotor punching is by silicon steel sheet stamping forming.

In the utility model discloses, the rotor core flute profile is the deepening flute profile.

The utility model discloses in, the bearing supports whole rotor.

In the utility model discloses, the pivot drives the load operation.

To sum up, the beneficial effect of this application: the rotor is deepened, after the motor is started, the current in the rotor conducting bar of the motor is uniformly distributed, and the resistance change before and after the motor is started mainly comes from the rotor current frequency change, so that the starting performance of the motor is effectively improved.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural diagram of a water pump motor rotor;

FIG. 2 is a schematic view of a middle rotor sheet of the present invention;

fig. 3 is a schematic view of a bearing.

Reference numbers in the figures: the rotor comprises a rotating shaft-1, a bearing-2, a rotor winding-3, a rotor iron core-4, a fan-5 and a rotor punching sheet-6.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1-3, the water pump motor rotor includes a rotating shaft 1, a bearing 2, a rotor winding 3, a rotor core 4, a fan 5, and a rotor punching sheet 6, wherein the rotating shaft 1 penetrates through the bearing 2, the rotor winding 3, the rotor core 4 and the center of the fan 5, the fan 5 is located on the left side of the bearing 2, the bearing 2 is respectively fixed at two ends of the rotating shaft 1, the rotor winding 3 and the rotor core 4 are located in the middle of the rotating shaft 1, and the rotor core 4 is located outside the rotor winding 3. The rotating shaft 1 is made of round steel. The rotor winding 3 is a multiphase symmetrical short circuit winding and is formed by casting aluminum in the slot of the rotor iron core 4 and short-circuiting end rings at two ends. Rotor core 4 by rotor punching 6 is folded and is pressed and form, rotor core 4 has a naked conducting bar in every inslot, naked conducting bar both ends are passed through the end links are connected together. The rotor punching sheet 6 is formed by punching a silicon steel sheet. The rotor core 4 is shaped as a deepened slot.

The rotor is deepened, after the motor is started, the current in the rotor conducting bar of the motor is uniformly distributed, and the resistance change before and after the motor is started mainly comes from the rotor current frequency change, so that the starting performance of the motor is effectively improved.

The foregoing description is only exemplary of the preferred embodiments of the application and is provided for the purpose of illustrating the general principles of the technology and the like. Meanwhile, the scope of the invention according to the present application is not limited to the technical solutions in which the above-described technical features are combined in a specific manner, and also covers other technical solutions in which the above-described technical features or their equivalent are combined arbitrarily without departing from the inventive concept described above. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims (6)

1. Water pump motor rotor, including pivot (1), bearing (2), rotor winding (3), rotor core (4), fan (5), rotor punching (6), characterized by: the utility model discloses a fan, including pivot (1), rotor winding (3), rotor core (4), fan (5) are located bearing (2) left side, bearing (2) are fixed respectively pivot (1) both ends, rotor winding (3) and rotor core (4) are located in the middle of pivot (1), rotor core (4) are in rotor winding (3) outside.

2. The water pump motor rotor as recited in claim 1, wherein: the rotating shaft (1) is made of round steel.

3. The water pump motor rotor as recited in claim 1, wherein: the rotor winding (3) is a multiphase symmetrical short-circuit winding and is formed by casting aluminum in a rotor iron core (4) slot and short-circuiting end rings at two ends.

4. The water pump motor rotor as recited in claim 3, wherein: rotor core (4) by rotor punching (6) are folded and are formed, there is a naked conducting bar in every inslot of rotor core (4), naked conducting bar both ends are passed through the end links are connected.

5. The water pump motor rotor as recited in claim 1, wherein: and the rotor punching sheet (6) is formed by punching a silicon steel sheet.

6. The water pump motor rotor as recited in claim 1, wherein: the rotor iron core (4) is in a deepened groove shape.

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