CN220043130U

CN220043130U - Vibration reduction type motor

Info

Publication number: CN220043130U
Application number: CN202321402455.7U
Authority: CN
Inventors: 李坚
Original assignee: Shenzhen Zhi Xiang Yuan Technology Co ltd
Current assignee: Shenzhen Zhi Xiang Yuan Technology Co ltd
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2023-11-17
Anticipated expiration: 2033-06-05

Abstract

The utility model relates to a vibration reduction type motor, which belongs to the technical field of motors and comprises a motor shell, wherein a stator frame is arranged on the upper surface of the motor shell, and a stator is fixedly connected to the inner wall of the stator frame; the utility model has the advantages that when the fan motor starts to work, the blades rotate under the drive of the motor output end, because the weight of the blades is unevenly distributed, the rotating blade center deviates from the motor shaft center, so that vibration can be generated when the fan motor works, because the eccentric force generated when the blades rotate acts on the motor rotor, axial acting force can be generated on the fan motor rotor, the motor can vibrate, the axial vibration generated by the motor rotor is absorbed by the springs, the springs can jump after absorbing the vibration, and the jump generated by the springs is restrained by the damper, thereby weakening the vibration generated by the motor along the axial direction of the rotor and reducing the vibration generated when the motor works.

Description

Vibration reduction type motor

Technical Field

The utility model relates to the technical field of motors, in particular to a vibration reduction type motor.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the law of electromagnetic induction, is a mechanical component commonly used in industrial production and daily electrical equipment, and is a common motor which is provided with a direct current brushless motor and an alternating current plastic package motor, the motor mainly comprises a stator, a rotor, a bearing, a shell, an end cover and the like, the working principle is that the stator generates an excitation magnetic field, a power conductor in the stator generates a force, an armature winding is arranged in a rotor groove, when the armature winding is electrified, the armature winding rotates under the action of excitation to drive the rotor to rotate, the electric energy is converted into mechanical energy, in the rotating process of the fan motor, the rotating blade center and the motor shaft center are deviated due to uneven blade weight distribution, so that vibration is generated when the fan motor works, the eccentric force generated when the blade rotates acts on the fan motor, axial acting force and radial acting force are generated on the fan motor, and the vibration reduction type fan motor on the market at present can absorb the radial acting force of the motor through installing the spring and other components at the bottom of the motor, but the axial acting force of the motor cannot be solved, and vibration still exists when the fan motor works.

Disclosure of Invention

The present utility model is directed to a vibration damping motor, which solves the above-mentioned problems.

The technical scheme of the utility model is as follows: including motor housing, stator frame has been seted up to motor housing upper surface, and stator frame inner wall fixedly connected with stator, the inside rotation of stator is connected with motor rotor, the inside equipment chamber of having seted up of stator, motor rotor lower surface fixedly connected with first bearing, and the fixedly connected with attenuator of first bearing lower surface, attenuator outer wall cover is equipped with the spring, and fixedly connected with second bearing under the attenuator, the second bearing first bearing and attenuator are located equipment intracavity portion.

Further, rubber support posts are fixedly connected to the inner wall of the motor shell and uniformly distributed on the inner wall of the motor shell, and the rubber support posts are located between the motor shell and the stator frame.

Further, the outer wall of the motor shell is provided with a grounding terminal.

Compared with the prior art, the vibration reduction motor provided by the utility model has the following improvements and advantages:

the method comprises the following steps: when the fan motor starts to work, the blades rotate under the drive of the motor output end, the rotating blade center and the motor shaft center deviate due to uneven weight distribution of the blades, so that vibration can be generated when the fan motor works, the eccentric force generated when the blades rotate acts on the motor rotor and generates axial acting force on the fan motor rotor, the motor can vibrate, the axial vibration generated by the motor rotor is absorbed through the springs, the springs can jump after absorbing the vibration, and the jump generated by the springs is restrained through the damper, so that the vibration generated by the motor along the axial direction of the rotor is weakened, and the vibration generated when the motor works is reduced.

And two,: according to the utility model, the grounding wire can have good grounding conditions through the grounding terminal, otherwise, the grounding wire is connected everywhere, and reasonable line distribution is ensured.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic perspective view of a motor housing according to the present utility model;

FIG. 3 is a schematic perspective view of a damper according to the present utility model;

fig. 4 is a schematic perspective view of a grounding terminal according to the present utility model.

Reference numerals illustrate: 1. a motor housing; 2. a rubber strut; 3. a stator frame; 4. a stator; 5. a motor rotor; 6. a first bearing; 7. a second bearing; 8. a damper 1; 9. an equipment chamber; 10. and a ground terminal.

Detailed Description

The following detailed description of the present utility model will provide clear and complete description of the technical solutions of the embodiments of the present utility model, with reference to fig. 1 to 4, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a vibration reduction type motor through improvement, as shown in fig. 1-4, which comprises a motor shell 1, wherein the upper surface of the motor shell 1 is provided with a stator frame 3, the inner wall of the stator frame 3 is fixedly connected with a stator 4, the inside of the stator 4 is rotationally connected with a motor rotor 5, the inside of the stator 4 is provided with a device cavity 9, the lower surface of the motor rotor 5 is fixedly connected with a first bearing 6, the lower surface of the first bearing 6 is fixedly connected with a damper 8, the outer wall of the damper 8 is sleeved with a spring, the lower surface of the damper 8 is fixedly connected with a second bearing 7, and the second bearing 7, the first bearing 6 and the damper 8 are positioned in the device cavity 9; when the fan motor starts to work, the blades rotate under the drive of the motor output end, because the weight distribution of the blades is uneven, the center of the rotating blades deviates from the center of the motor shaft, so that vibration can be generated when the fan motor works, because the center of the blades deviates from the center of the motor shaft, eccentric force generated when the blades rotate acts on the motor rotor 5, axial acting force can be generated on the motor rotor of the fan motor, the motor can vibrate, axial vibration generated by the motor rotor 5 is absorbed through the springs, the springs can jump after absorbing the vibration, and the jump generated by the springs is restrained through the damper 8, so that the vibration generated by the motor along the axial direction of the rotor is weakened, and the vibration generated when the motor works is reduced.

The motor housing 1 inner wall fixedly connected with rubber pillar 2, and rubber pillar 2 evenly distributed is at motor housing 1 inner wall, and rubber pillar 2 is located between motor housing 1 and the stator frame 3, prevents motor housing 1 and stator frame 3 direct contact through rubber pillar 2, has protected stator frame 3.

The outer wall of the motor housing 1 is provided with the grounding terminal 10, and the grounding wire can have good grounding conditions through the grounding terminal 10, otherwise, the grounding wire is connected everywhere in disorder, so that reasonable line distribution is ensured.

Working principle: firstly, when the fan motor starts to work, blades rotate under the drive of the motor output end, because the weight distribution of the blades is uneven, the rotating blade center deviates from the motor shaft center, vibration is generated when the fan motor works, because the blade center deviates from the motor shaft center, eccentric force generated when the blades rotate acts on the motor rotor 5, axial acting force is generated on the fan motor rotor, the motor can vibrate, axial vibration generated by the motor rotor 5 is absorbed through a spring, the spring also jumps, the jump generated by the spring is restrained through a damper 8, so that vibration generated by the motor along the axial direction of the rotor is weakened, vibration generated when the motor works is reduced, then the motor shell 1 is prevented from being in direct contact with the stator frame 3 through a rubber strut 2, the stator frame 3 is protected, finally, a grounding wire can have good grounding condition through a grounding terminal 10, otherwise the grounding wire is in disorder connection, and reasonable line distribution is ensured.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A vibration-damping motor, characterized in that: including motor housing (1), stator frame (3) have been seted up to motor housing (1) upper surface, and stator frame (3) inner wall fixedly connected with stator (4), inside rotation of stator (4) is connected with motor rotor (5), equipment chamber (9) have been seted up to stator (4) inside, motor rotor (5) lower surface fixedly connected with first bearing (6), and surface fixedly connected with attenuator (8) under first bearing (6), attenuator (8) outer wall cover is equipped with the spring, and attenuator (8) lower surface fixedly connected with second bearing (7), second bearing (7) first bearing (6) and attenuator (8) are located inside equipment chamber (9).

2. A vibration-damped electric machine according to claim 1, wherein: the motor is characterized in that rubber support posts (2) are fixedly connected to the inner wall of the motor shell (1), the rubber support posts (2) are uniformly distributed on the inner wall of the motor shell (1), and the rubber support posts (2) are located between the motor shell (1) and the stator frame (3).

3. A vibration-damped electric machine according to claim 1, wherein: the outer wall of the motor shell (1) is provided with a grounding terminal (10).