CN215419956U

CN215419956U - Motor rotor

Info

Publication number: CN215419956U
Application number: CN202121503641.0U
Authority: CN
Inventors: 陆海雷
Original assignee: Nantong Wangxin New Material Co ltd
Current assignee: Nantong Wangxin New Material Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-01-04
Anticipated expiration: 2031-07-02

Abstract

The utility model relates to the field of rotors, in particular to a motor rotor which comprises a shell, wherein two ends of the shell are respectively and fixedly connected with an installation cover, the installation covers are circular, a through hole is formed in the shaft center of each installation cover, a rotor shaft is fixedly connected to the inner wall of the through hole, a heat dissipation assembly is fixedly connected to the bottom end of each installation cover and comprises an installation plate and blades, a buffer assembly is arranged on the inner wall of the through hole, the blades rotate to enable the interior of the shell to generate airflow, heat in the interior of the shell is discharged through a heat dissipation groove, the problem that the working efficiency of a motor is reduced due to the fact that the heat in the motor rotor cannot be discharged for a long time is solved, the service life of the motor rotor is prolonged, vibration generated by the rotation of the motor rotor is transmitted to a buffer spring through a buffer member by arranging the buffer assembly, the vibration is weakened, the abrasion of the rotor shaft is reduced, and the rotor shaft is prevented from being broken due to the long-time abrasion of the motor rotor, damaging the motor.

Description

Motor rotor

Technical Field

The utility model relates to the field of rotors, in particular to a motor rotor.

Background

The utility model discloses a motor rotor, which is also a rotating part in a motor, wherein the motor consists of a rotor and a stator and is a device for converting electric energy and mechanical energy and electric energy, and the motor rotor is divided into a motor rotor and a motor rotor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a motor rotor which comprises a shell, wherein two ends of the shell are respectively and fixedly connected with an installation cover, the installation covers are circular, a through hole is formed in the axle center of each installation cover, the inner wall of the through hole is fixedly connected with a rotor shaft, the bottom end of each installation cover is fixedly connected with a heat dissipation assembly, the heat dissipation assembly comprises an installation plate and blades, and the inner wall of the through hole is provided with a buffer assembly.

Preferably: the mounting panel fixed connection in the mounting cover bottom, blade fixed connection in mounting panel one side.

Preferably: the buffer assembly comprises buffer pieces, a fixing plate and buffer springs, the fixing plate is fixedly connected to the two sides of the buffer pieces respectively, the buffer springs are fixedly connected to the bottom ends of the fixing plate, and the other ends of the buffer springs are fixedly connected to the inner walls of the through holes.

Preferably: the bottom end of the mounting cover is fixedly connected with a mounting cylinder, the outer wall of the mounting cylinder is fixedly connected with a winding frame, and an enameled wire is arranged on the outer wall of the winding frame.

Preferably: the blade is arc, just the blade is 155 in the surperficial slope of mounting panel top.

Preferably: the mounting groove has been seted up to the through-hole inner wall, just the bolster bottom with mounting groove looks block.

Preferably: the outer wall of the shell is provided with a heat dissipation groove.

Preferably: the diameter of the rotor shaft is 3.5-4 mm, and the diameter of the through hole is 12-12.5 mm.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the motor rotor, the blades rotate to enable the interior of the shell to generate airflow, and heat in the shell is discharged through the heat dissipation grooves, so that the problem that the working efficiency of a motor is reduced due to the fact that the heat in the motor rotor cannot be discharged for a long time is solved, and the service life of the motor rotor is prolonged.

2. Simultaneously through setting up buffering subassembly, the vibrations that an electric motor rotor rotated the production transmit buffer spring through the bolster, weaken vibrations, reduce the wearing and tearing of rotor shaft, avoid an electric motor rotor long-time wearing and tearing to lead to the rotor shaft fracture, damage the motor.

Drawings

FIG. 1 is a top cross-sectional view of a motor rotor according to the present invention;

FIG. 2 is a top view of a rotor of an electric machine according to the present invention;

fig. 3 is an external view of a rotor of an electric motor according to the present invention.

In the figure:

1. installing a cover; 2. enamelled wires; 3. a bobbin; 4. a rotor shaft; 5. mounting a plate; 6. a blade; 7. a housing; 8. mounting the cylinder; 9. a buffer member; 10. a fixing plate; 11. a buffer spring; 12. a heat dissipation groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, which illustrate a preferred embodiment of the present invention, a rotor of an electric motor includes a housing 7, and is characterized in that: 7 both ends of shell are fixedly connected with installation lid 1 respectively, and installation lid 1 is circularly, and installs 1 axle centers of lid and has seted up the through-hole, through-hole inner wall fixedly connected with

rotor shaft

4, and 1 bottom fixedly connected with radiator unit of installation lid, and radiator unit includes mounting panel 5 and blade 6, and the through-hole inner wall is provided with the buffering subassembly, and installation lid 1 supports installation section of thick bamboo 8, through setting up the through-hole, has realized the effect of installation rotor shaft 4.

The mounting plate 5 is fixedly connected to the bottom end of the mounting cover 1, the blade 6 is fixedly connected to one side of the mounting plate 5, the mounting cover 1 supports the mounting plate 5, and the mounting plate 5 supports the blade 6, so that the effect of fixedly supporting the blade 6 is realized; the buffering assembly comprises buffering parts 9, fixing plates 10 and buffering springs 11, the fixing plates 10 are fixedly connected to two sides of the buffering parts 9 respectively, the buffering springs 11 are fixedly connected to the bottom ends of the fixing plates 10, the other ends of the buffering springs 11 are fixedly connected to the inner walls of the through holes, vibration generated by rotation of a motor rotor is transmitted to the buffering springs 11 through the buffering parts 9, and the effects of weakening vibration and reducing abrasion of the rotor shaft 4 are achieved; the bottom end of the mounting cover 1 is fixedly connected with a mounting cylinder 8, the outer wall of the mounting cylinder 8 is fixedly connected with a winding frame 3, the outer wall of the winding frame 3 is provided with an enameled wire 2, and the mounting cylinder 8 supports the winding frame 3, so that the function of mounting the enameled wire 2 is realized; the blades 6 are arc-shaped, the top end surfaces of the blades 6 on the mounting plate 5 are inclined by 155 degrees, a motor rotor rotates to drive the blades 6 to rotate, so that air flow is generated inside the shell 7, and heat inside the shell 7 is discharged; the inner wall of the through hole is provided with a mounting groove, the bottom end of the buffer member 9 is clamped with the mounting groove, and the buffer member 9 is clamped by the mounting groove to prevent the buffer member 9 from falling off; the outer wall of the shell 7 is provided with a heat dissipation groove 12, and heat inside the shell 7 is discharged through the heat dissipation groove 12, so that the functions of air flow transportation and heat discharge are achieved; rotor shaft 4 diameter is 3.5 ~ 4mm, and the through-hole diameter is 12 ~ 12.5mm, and rotor shaft 4 supports shell 7, through setting up rotor shaft 4, has realized the installation to a motor rotor.

The working process and principle of the utility model are as follows: when the motor is used, the motor rotor rotates at a high speed, so that the blades 6 are driven to rotate, air flow is generated inside the shell 7, heat inside the shell 7 is discharged through the heat dissipation grooves 12, the phenomenon that the heat inside the motor rotor cannot be discharged for a long time to reduce the working efficiency of the motor is avoided, the service life of the motor rotor is prolonged, vibration generated by rotation of the motor rotor is transmitted to the buffer spring 11 through the buffer piece 9, vibration is weakened, abrasion of the rotor shaft 4 is reduced, and the phenomenon that the rotor shaft 4 is broken due to long-time abrasion of the motor rotor is avoided, and the motor is damaged.

While the utility model has been described in further detail in connection with specific embodiments thereof, it will be understood that the utility model is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the utility model, which should be considered to be within the scope of the utility model as defined by the appended claims.

Claims

1. Electric motor rotor, including shell (7), its characterized in that: the utility model discloses a fan, including shell (7), installation lid (1) are circular, just the through-hole has been seted up in installation lid (1) axle center, through-hole inner wall fixedly connected with rotor shaft (4), installation lid (1) bottom fixedly connected with radiator unit, just radiator unit includes mounting panel (5) and blade (6), the through-hole inner wall is provided with buffering subassembly.

2. The electric machine rotor of claim 1, wherein: mounting panel (5) fixed connection in installation lid (1) bottom, blade (6) fixed connection in mounting panel (5) one side.

3. The electric machine rotor of claim 1, wherein: buffering subassembly includes bolster (9), fixed plate (10) and buffer spring (11), fixed plate (10) respectively fixed connection in bolster (9) both sides, buffer spring (11) fixed connection in fixed plate (10) bottom, buffer spring (11) other end fixed connection in the through-hole inner wall.

4. The electric machine rotor of claim 1, wherein: the mounting cover is characterized in that a mounting cylinder (8) is fixedly connected to the bottom end of the mounting cover (1), a winding frame (3) is fixedly connected to the outer wall of the mounting cylinder (8), and an enameled wire (2) is arranged on the outer wall of the winding frame (3).

5. The electric machine rotor of claim 1, wherein: the blades (6) are arc-shaped, and the top end surfaces of the blades (6) on the mounting plate (5) are inclined by 155 degrees.

6. The electric machine rotor of claim 3, wherein: the through-hole inner wall has been seted up the mounting groove, just bolster (9) bottom with mounting groove looks block.

7. The electric machine rotor of claim 1, wherein: the outer wall of the shell (7) is provided with a heat dissipation groove (12).

8. The electric machine rotor of claim 1, wherein: the diameter of the rotor shaft (4) is 3.5-4 mm, and the diameter of the through hole is 12-12.5 mm.