CN221009929U

CN221009929U - Magnetic suspension vibration micro-motor

Info

Publication number: CN221009929U
Application number: CN202322507378.8U
Authority: CN
Inventors: 于卫东
Original assignee: Pujiang Weima Motor Co ltd
Current assignee: Pujiang Weima Motor Co ltd
Priority date: 2023-09-15
Filing date: 2023-09-15
Publication date: 2024-05-24
Anticipated expiration: 2033-09-15

Abstract

The utility model relates to the technical field of vibration motors, in particular to a magnetic suspension vibration micro motor. The technical proposal comprises: including motor housing and vibrations frame, install the stator in the motor housing, the rotor is installed to motor housing in and pass the stator, vibrations frame installs at motor housing both ends, vibrations frame internal rotation is connected with the rolling disc, the balancing weight is installed in the rolling disc outside, rotor tip is fixed in rolling disc central point put, be provided with the magnetic levitation subassembly between motor housing inside wall and the rotor, unable adjustment base is installed to motor housing bottom, the equipment base is installed to vibrations frame bottom. The utility model arranges the fixed part and the vibration part on the whole vibration motor, can reduce the abrasion of the motor rotor under the condition of normal vibration, and simultaneously avoids the possible damage of the internal structure caused by the vibration of the whole motor.

Description

Magnetic suspension vibration micro-motor

Technical Field

The utility model relates to the technical field of vibration motors, in particular to a magnetic suspension vibration micro motor.

Background

The vibration micro-motor belongs to a small vibration motor, and mainly utilizes a motor rotor to drive an eccentric wheel to rotate, so that the whole motor vibrates, and when the motor is fixed on appointed equipment, the equipment can be driven to vibrate.

In the whole working process, mainly the rotation of eccentric wheel for the rotor shakes, and the transmission of reuse bearing frame makes whole motor synchronous vibration, and this process must use the bearing frame to support the rotor, however this kind of mode can't realize the suspension of rotor, leads to the rotor wearing and tearing to accelerate to whole motor vibrations, and its inside mounting very easily produces not hard up, and then leads to inside damage.

Disclosure of utility model

The utility model aims to solve the problems in the background art and provides a magnetic suspension vibration micro motor.

The technical scheme of the utility model is as follows: the utility model provides a little motor of magnetic suspension vibrations, includes motor housing and vibrations frame, installs the stator in the motor housing, the rotor is installed to motor housing in and pass the stator, vibrations frame is installed at motor housing both ends, vibrations frame internal rotation is connected with the rolling disc, the balancing weight is installed in the rolling disc outside, rotor tip is fixed in rolling disc central point put, be provided with the magnetic levitation subassembly between motor housing inside wall and the rotor, unable adjustment base is installed to motor housing bottom, the equipment base is installed to vibrations frame bottom.

Preferably, a group of thread grooves are formed in the outer side wall of the rotating disc, connecting bolts matched with the thread grooves are fixed on the balancing weights, the balancing weights can be fixed on the rotating disc by means of the fact that the connecting bolts are inserted into the thread grooves in a threaded mode, and accordingly the peripheral weight portions of the rotating disc are uneven.

Preferably, the open slot has all been seted up to vibrations frame lateral wall, and the open slot can be convenient install and dismantle the balancing weight, sealed bearing is installed to rolling disc and vibrations frame junction, guarantees vibrations frame and vibrations frame stable connection, guarantees certain leakproofness simultaneously.

Preferably, the limit groove is formed in the end portion of the motor shell, the limit ring is arranged in the limit groove, a group of connecting rods are fixed on the limit ring at equal intervals, and the end portion of each connecting rod penetrates through the limit groove and is fixed on the vibration frame.

Preferably, the magnetic levitation component comprises a perforation, the perforation is formed in the side wall of the motor shell, a group of mounting grooves are formed in the side wall of the perforation, electromagnets are mounted in the mounting grooves, and magnetic sheets are fixed on the rotor and correspond to the electromagnets.

Preferably, the diameter of the perforation is larger than that of the rotor, and the rotor penetrates through the perforation to ensure that the rotor can suspend in the perforation and cannot be connected with the side wall of the perforation.

Compared with the prior art, the utility model has the following beneficial technical effects: the whole vibration motor is provided with the fixing part and the vibration part, so that the abrasion of the motor rotor can be reduced under the condition of normal vibration, and meanwhile, the damage to the internal structure possibly caused by the vibration of the whole motor is avoided.

Drawings

FIG. 1 is a schematic view of the front cut-away structure of the present utility model;

FIG. 2 is a schematic diagram of a combination structure of a rotating disc and a counterweight of the present utility model;

FIG. 3 is a schematic view showing the distribution structure of the limiting ring in the limiting groove;

fig. 4 is a schematic view of the end structure of the motor housing of the present utility model.

Reference numerals: 1. a motor housing; 11. a stator; 12. a rotor; 13. a fixed base; 2. a vibration frame; 21. a rotating disc; 22. an open slot; 23. a thread groove; 24. balancing weight; 25. a connecting bolt; 26. an equipment base; 27. a limit groove; 28. a limiting ring; 29. a connecting rod; 3. a magnetic levitation component; 31. perforating; 32. a mounting groove; 33. an electromagnet; 34. magnetic sheets.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Examples

As shown in fig. 1-4, the magnetic suspension vibration micro-motor provided by the utility model comprises a motor shell 1 and a vibration frame 2, wherein a stator 11 is arranged in the motor shell 1, a rotor 12 is arranged in the motor shell 1 and penetrates through the stator 11, the vibration frame 2 is arranged at two ends of the motor shell 1, a rotating disc 21 is connected in the vibration frame 2 in a rotating way, a balancing weight 24 is arranged at the outer side of the rotating disc 21, the end part of the rotor 12 is fixed at the center position of the rotating disc 21, a magnetic suspension component 3 is arranged between the inner side wall of the motor shell 1 and the rotor 12, a fixed base 13 is arranged at the bottom of the motor shell 1, and an equipment base 26 is arranged at the bottom of the vibration frame 2.

A group of thread grooves 23 are formed in the outer side wall of the rotating disc 21, connecting bolts 25 matched with the thread grooves 23 are fixed on the balancing weights 24, open grooves 22 are formed in the outer side wall of the vibrating frame, sealing bearings are mounted at the joints of the rotating disc 21 and the vibrating frame 2, limiting grooves 27 are formed in the end portions of the motor shell 1, limiting rings 28 are arranged in the limiting grooves 27, a group of connecting rods 29 are fixed on the limiting rings 28 at equal intervals, and the end portions of the connecting rods 29 penetrate through the limiting grooves 27 and are fixed on the vibrating frame 2.

The magnetic levitation assembly 3 comprises a perforation 31, the perforation 31 is formed in the side wall of the motor shell 1, a group of mounting grooves 32 are formed in the side wall of the perforation 31, an electromagnet 33 is mounted in each mounting groove 32, a magnetic sheet 34 is fixed on the rotor 12 and corresponds to the electromagnet 33, the diameter of the perforation 31 is larger than that of the rotor 12, the rotor 12 penetrates through the perforation 31, and the rotor 12 can be ensured to be suspended in the perforation 31 by means of magnetic field repulsion between the electromagnet 33 and the magnetic sheet 34.

In this embodiment, the whole device is firstly connected with an external power supply, then the fixing base 13 is fixed on the fixing piece, and the equipment base 26 is fixed on equipment needing vibration, at this time, the rotor 12 can be ensured to be suspended in the through hole 31 by using the magnetic field repulsion of the electromagnet 33 and the magnetic sheet 34, when the rotor 12 rotates, the rotating disc 21 in the vibration frame 2 can be driven to synchronously rotate, before that, a set number of counterweight frames can be installed on the outer side of the rotating disc 21, the weight distribution of the rotating disc 21 is uneven, vibration occurs during rotation, finally the vibration frame 2 is driven to synchronously vibrate, the whole process motor shell 1 is always kept fixed, the vibration cannot be followed, further the elements in the motor shell 1 are ensured to be not affected by vibration, and the limit of the limit ring 28 is utilized, so that the vibration amplitude of the rotor 12 is ensured to be in a specified range, and the rotor 12 is always in a suspended state in the through hole 31, the abrasion of the rotor 12 can be reduced, the damage risk is reduced, and the service life is prolonged.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. The utility model provides a magnetic suspension vibrations micro-motor, includes motor housing (1) and vibrations frame (2), its characterized in that: install stator (11) in motor housing (1), rotor (12) are installed in motor housing (1) and pass stator (11), vibrations frame (2) are installed at motor housing (1) both ends, vibrations frame (2) internal rotation is connected with rolling disc (21), balancing weight (24) are installed in rolling disc (21) outside, rotor (12) tip is fixed in rolling disc (21) central point put, be provided with magnetic levitation subassembly (3) between motor housing (1) inside wall and rotor (12), unable adjustment base (13) are installed to motor housing (1) bottom, equipment base (26) are installed to vibrations frame (2) bottom.

2. The magnetic suspension vibration micro motor according to claim 1, wherein a group of thread grooves (23) are formed in the outer side wall of the rotating disc (21), and connecting bolts (25) matched with the thread grooves (23) are fixed on the balancing weights (24).

3. A magnetic suspension vibration micro motor according to claim 1, wherein the outer side walls of the vibration frame (2) are provided with open slots (22), and the joint of the rotating disc (21) and the vibration frame (2) is provided with a sealing bearing.

4. The magnetic suspension vibration micro motor according to claim 1, wherein a limit groove (27) is formed in the end portion of the motor housing (1), a limit ring (28) is arranged in the limit groove (27), a group of connecting rods (29) are fixed on the limit ring (28) at equal intervals, and the end portion of each connecting rod (29) penetrates through the limit groove (27) and is fixed on the vibration frame (2).

5. The magnetic suspension vibration micro motor according to claim 1, wherein the magnetic suspension component (3) comprises a perforation (31), the perforation (31) is formed in the side wall of the motor housing (1), a group of mounting grooves (32) are formed in the side wall of the perforation (31), an electromagnet (33) is mounted in the mounting grooves (32), and a magnetic sheet (34) is fixed on the rotor (12) and corresponds to the electromagnet (33).

6. A magnetically levitated vibrating micro-motor according to claim 5, characterized in that the diameter of the perforation (31) is larger than the diameter of the rotor (12), the rotor (12) passing through the perforation (31).