CN219268602U

CN219268602U - Dustproof structure of permanent magnet brushless motor

Info

Publication number: CN219268602U
Application number: CN202223436083.8U
Authority: CN
Inventors: 孙鑫祥; 孙宝斌; 陈钢
Original assignee: Jiangsu Xintong Auto Parts Co ltd
Current assignee: Jiangsu Xintong Auto Parts Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-06-27
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses a dustproof structure of a permanent magnet brushless motor, which comprises a casing, wherein an installation seat is arranged in the casing, a stator is arranged in the installation seat, a transmission shaft is arranged between the stators, a rotor is arranged on the peripheral wall of the transmission shaft, an extension block is arranged at one end of the casing, a bearing is arranged at the joint of the casing and the transmission shaft, a stop block is arranged at one side of the bearing, and an electrostatic adsorption plate is arranged at one side of the stop block. The beneficial effects are that: according to the utility model, through the design of the shell, the extension block, the bearing, the stop block and the electrostatic adsorption plate, a dustproof effect can be provided for the bearing at the power output end of the brushless motor, dust is prevented from adhering to the bearing part at the power transmission end in the use process, the operation effect of the bearing can be ensured, and meanwhile, the power transmission effect of the motor is ensured.

Description

Dustproof structure of permanent magnet brushless motor

Technical Field

The utility model relates to the technical field of motor dust prevention, in particular to a dust prevention structure of a permanent magnet brushless motor.

Background

The brushless DC motor consists of a motor main body and a driver, is a typical electromechanical integrated product, consists of a permanent magnet rotor, a multipole winding stator, a position sensor and the like, adopts a semiconductor switching device to realize electronic commutation, namely uses the electronic switching device to replace the traditional contact type commutator and brush, and has the advantages of high reliability, no commutation spark, low mechanical noise and the like.

In the conventional brushless motor in daily use, most of the bearings at the power output end are directly exposed in the air, so that a large amount of dust is easily attached to the bearing parts at the power transmission end in the use process, the operation effect of the bearings is seriously affected, and the power transmission effect of the motor is poor.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to solve the technical problem of providing a novel dustproof structure of a permanent magnet brushless motor aiming at the current state of the art.

(II) technical scheme

The utility model is realized by the following technical scheme: the utility model provides a dustproof structure of a permanent magnet brushless motor, which comprises a casing, wherein an installation seat is arranged in the casing, a stator is arranged in the installation seat, a transmission shaft is arranged between the stators, a rotor is arranged on the peripheral wall of the transmission shaft, an extension block is arranged at one end of the casing, a bearing is arranged at the joint of the casing and the transmission shaft, a stop block is arranged at one side of the bearing, and an electrostatic adsorption plate is arranged at one side of the stop block.

Further, the casing is connected with the mounting seat through bolts, and the mounting seat is connected with the stator through screws.

By adopting the technical scheme, the working state of the motor can be ensured to be stable.

Further, the transmission shaft is rotationally connected with the casing, and the transmission shaft is spliced with the rotor.

By adopting the technical scheme, smooth rotation of the transmission shaft can be ensured.

Further, the extension block is formed on the casing, the casing is connected with the bearing through a clamping groove, and the bearing is rotationally connected with the transmission shaft.

By adopting the technical scheme, the transmission effect of the transmission shaft can be ensured.

Further, the extending block is connected with the stop block through a clamping groove, and the extending block is connected with the electrostatic adsorption plate through a screw.

By adopting the technical scheme, the electrostatic adsorption plate can carry out electrostatic adsorption on dust entering the extension block, so that the dust is prevented from adhering to the bearing.

(III) beneficial effects

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

in order to solve the problem that the existing brushless motor is poor in power transmission effect because the bearing at the power output end is mostly directly exposed in the air in daily use, and a large amount of dust is easily attached to the bearing at the power transmission end in the use process, the working effect of the bearing is seriously affected, and the motor is poor in power transmission effect.

Drawings

Fig. 1 is a schematic structural view of a dustproof structure of a permanent magnet brushless motor according to the present utility model;

fig. 2 is a cross-sectional view of a dustproof structure of a permanent magnet brushless motor according to the present utility model.

The reference numerals are explained as follows:

1. a housing; 2. a mounting base; 3. a stator; 4. a transmission shaft; 5. a rotor; 6. an extension block; 7. a bearing; 8. a stop block; 9. an electrostatic adsorption plate.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1-2, a dustproof structure of a permanent magnet brushless motor in this embodiment includes a housing 1, a mounting seat 2 is provided in the housing 1, a stator 3 is provided in the mounting seat 2, a transmission shaft 4 is provided between the stators 3, a rotor 5 is provided on a peripheral wall of the transmission shaft 4, one end of the housing 1 is provided with an extension block 6, a bearing 7 is provided at a joint of the housing 1 and the transmission shaft 4, a stop block 8 is installed on one side of the bearing 7, and an electrostatic adsorption plate 9 is installed on one side of the stop block 8, wherein the electrostatic adsorption plate 9 can generate electrostatic induction after being connected with a power supply, and adsorb dust close to the bearing 7, thereby avoiding dust from entering the bearing 7.

As shown in fig. 1-2, in this embodiment, the casing 1 is connected with the mounting seat 2 through bolts, the mounting seat 2 is connected with the stator 3 through screws, the transmission shaft 4 is rotationally connected with the casing 1, the transmission shaft 4 is spliced with the rotor 5, the extension block 6 is formed on the casing 1, the casing 1 is connected with the bearing 7 through a clamping groove, and the bearing 7 is rotationally connected with the transmission shaft 4, so that the power transmission effect of the brushless motor can be ensured.

As shown in fig. 1-2, in this embodiment, the extension block 6 is connected to the stop block 8 through a slot, the extension block 6 is connected to the electrostatic adsorption plate 9 through a screw, and the electrostatic adsorption plate 9 can generate electrostatic induction to adsorb and collect dust nearby.

The specific implementation process of this embodiment is as follows: when the motor rotor is used, the stator 3 can generate an electromagnetic field to drive the rotor 5 to rotate after being electrified, the rotor 5 can perform smooth rotary motion under the action of the bearing 7, meanwhile, a worker can communicate with a power supply for the electrostatic adsorption plate 9, so that the electrostatic adsorption plate 9 can generate electrostatic induction to adsorb dust close to the bearing 7, dust is prevented from entering the bearing 7, the using effect of the bearing 7 is ensured, and the transmission effect of the rotor 5 is further 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 dustproof structure of a permanent magnet brushless motor is characterized in that: including casing (1), be provided with mount pad (2) in casing (1), be provided with stator (3) in mount pad (2), be provided with transmission shaft (4) between stator (3), be provided with rotor (5) on the peripheral wall of transmission shaft (4), the one end of casing (1) is provided with extension piece (6), casing (1) with the junction of transmission shaft (4) is provided with bearing (7), dog (8) are installed to one side of bearing (7), electrostatic adsorption board (9) are installed to dog (8) one side.

2. A dustproof construction for a permanent magnet brushless motor according to claim 1, wherein: the casing (1) is connected with the mounting seat (2) through bolts, and the mounting seat (2) is connected with the stator (3) through screws.

3. A dustproof construction for a permanent magnet brushless motor according to claim 1, wherein: the transmission shaft (4) is rotationally connected with the shell (1), and the transmission shaft (4) is spliced with the rotor (5).

4. A dustproof construction for a permanent magnet brushless motor according to claim 1, wherein: the extension block (6) is formed on the casing (1), the casing (1) is connected with the bearing (7) through a clamping groove, and the bearing (7) is rotationally connected with the transmission shaft (4).

5. A dustproof construction for a permanent magnet brushless motor according to claim 1, wherein: the extension block (6) is connected with the stop block (8) through a clamping groove, and the extension block (6) is connected with the electrostatic adsorption plate (9) through a screw.