CN220797950U

CN220797950U - Motor casing

Info

Publication number: CN220797950U
Application number: CN202322468698.7U
Authority: CN
Inventors: 朱刚; 赵坚; 李育强; 谢进英; 李素容
Original assignee: Yubo Technology Jiangmen Co ltd
Current assignee: Yubo Technology Jiangmen Co ltd
Priority date: 2023-09-12
Filing date: 2023-09-12
Publication date: 2024-04-16
Anticipated expiration: 2033-09-12

Abstract

The utility model discloses a motor shell, which comprises a shell main body, a front end cover assembled at the front end of the shell main body, a rear end cover assembled at the rear end of the shell main body and a fan protection cover, wherein the front end cover is provided with a front bearing installation part, the rear end cover is provided with a rear bearing installation part, the inner wall of the shell main body is provided with a plurality of strip-shaped structures and protruding parts for supporting a motor stator, the protruding parts are sequentially and equidistantly arranged along the circumferential direction, a heat dissipation channel is formed between every two adjacent protruding parts, and the heat dissipation channel is arranged along the front-rear direction; the front end cover is provided with a front vent provided with a front dust screen, and the rear end cover is provided with a rear vent provided with a rear dust screen; the through hole window, the rear vent, the heat dissipation channel and the front vent of the fan shield are sequentially communicated. The motor shell has more excellent heat dissipation performance and better dustproof capability, is beneficial to improving the overall performance and the service life of the motor, and further brings remarkable commercial value in the related field.

Description

Motor casing

Technical Field

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

Background

At present, a heat dissipation design of a motor housing generally adopts a mode of arranging a heat dissipation fin on an outer wall. These fins can help dissipate heat generated by the motor by increasing the surface area to keep the motor operating within a safe temperature range. However, there are some limitations to this heat dissipation design.

First, the heat dissipation effect of the outer wall fins is relatively limited. Although the surface area is increased, the heat transfer process is achieved primarily by conduction and convection. Thus, relying solely on the outer wall fins to dissipate heat may result in a low heat dissipation efficiency, particularly in the case of high load operation or long operation, where the motor may be damaged by overheating.

Second, the outer wall fins are subject to environmental conditions. If the motor is operated in an environment where dust is much, a space is narrow, or a ventilation condition is not ideal, the heat radiating fin may be covered with dust, which hinders a heat radiating effect. This can result in the motor not being able to effectively dissipate heat under such severe conditions, thereby reducing the performance and life of the motor.

In addition, the prior art ignores optimization of internal structures in heat dissipation designs. The stator inside the motor is a part that generates most of the heat, but the heat dissipation of the stator is often not particularly considered in the prior art. As a result, the stator may overheat internally, affecting the operational stability and life of the motor.

Disclosure of utility model

The utility model aims to provide a motor shell, which improves the ventilation and heat dissipation performance of a motor.

The technical scheme adopted by the utility model is as follows:

The motor shell comprises a shell main body, a front end cover assembled at the front end of the shell main body, a rear end cover assembled at the rear end of the shell main body and a fan protection cover, wherein the front end cover is provided with a front bearing installation part, the rear end cover is provided with a rear bearing installation part, the inner wall of the shell main body is provided with a plurality of strip-shaped structures and protruding parts used for supporting a motor stator, the protruding parts are sequentially arranged at equal intervals along the circumferential direction, a heat dissipation channel is formed between every two adjacent protruding parts, and the heat dissipation channels are arranged along the front-rear direction; the front end cover is provided with a front vent provided with a front dust screen, and the rear end cover is provided with a rear vent provided with a rear dust screen; the through hole window of the fan protection cover, the rear vent, the heat dissipation channel and the front vent are sequentially communicated.

In a preferred embodiment of the present utility model, the front bearing mounting portion is connected to the front end cover inner ring portion through a front connecting rod, and the front vent is formed among the front end cover, the front connecting rod and the front bearing mounting portion; the rear bearing mounting part is connected to the inner ring part of the rear end cover through a rear connecting rod, and the rear ventilation opening is formed among the rear end cover, the rear connecting rod and the rear bearing mounting part.

In a preferred embodiment of the present utility model, the front end cover is provided with a front ladder sedimentation part, and the front dust screen is clamped to the front ladder sedimentation part through a front plastic clip; the rear end cover is provided with a rear ladder sedimentation part, and the rear dust screen is clamped to the rear ladder sedimentation part through a rear plastic clamp.

In a preferred embodiment of the present utility model, the bearing mounting holes of the front bearing mounting portion and the rear bearing mounting portion are stepped holes for settling-type mounting of the bearing cover plate.

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

1) The heat dissipation channels are formed by arranging the plurality of protruding parts on the inner wall of the shell main body and are arranged along the front-back direction, so that the heat dissipation performance of the motor is effectively improved, the heat generated during the operation of the motor can be more uniformly distributed through the design, and the heat dissipation channels are beneficial to the rapid dissipation of the heat after the cooling fan is arranged through the communication of the ventilation opening and the fan protection cover, so that the adverse effect of overheat on the performance of the motor is avoided;

2) The front end housing sets up preceding dust screen and rear end housing and sets up the back dust screen (although having set up the dust screen, but this product still needs to be used for dry indoor environment), and this kind of overall arrangement can prevent dust and other particulate matters effectively and get into inside the motor, protects the operating stability and the life-span of motor, in addition, through forming the vent between front bearing installation department and the rear bearing installation department, also can make the inside circulation of air of motor, further reduces the possibility that the dust gathered.

3) The front bearing installation part and the rear bearing installation part are connected to the corresponding inner ring part of the end cover by adopting the front connecting rod and the rear connecting rod, so that a ventilation opening is formed.

4) The bearing mounting holes of the front bearing mounting part and the rear bearing mounting part are stepped holes capable of settling to mount the bearing cover plate. The design facilitates the installation and maintenance of the bearing, and provides a more convenient operation and maintenance mode for both manufacturers and users.

In order to make the above objects, features and advantages of the present utility model more comprehensible, embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic diagram of the front view of the present utility model;

FIG. 3 is a schematic view of the front view of the present utility model with the front end cap removed;

FIG. 4 is a schematic rear view of the present utility model;

In the figure: 1. a case main body; 2. a front end cover; 3. a rear end cover; 4. a fan guard; 5. a front bearing mounting portion; 6. a front connecting rod; 7. a front dust screen; 8. a rear bearing mounting portion; 9. a rear connecting rod; 10. a rear dust screen; 11. a heat dissipation channel; 12. a boss; 13. a motor stator; 14. a front vent; 15. a rear vent; 16. a front plastic clip; 17. a rear plastic clip.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model.

Referring to fig. 1 to 4, the present invention provides a motor housing, which specifically includes:

The main body part of the motor housing is a housing main body 1, which can be designed and manufactured according to the size and shape of the motor. The inner wall of the case body 1 is provided with a plurality of bar-shaped structures equidistantly along the circumferential direction and is provided with a boss 12 for supporting a motor stator 13. These bosses 12 may be made of metal or a suitable material for supporting the stator of the motor.

Heat dissipation passages 11 are formed between the protrusions 12 provided in the case main body 1, and these passages are arranged in the front-rear direction to achieve a better heat dissipation effect. The heat dissipation channel 11 is arranged to help to distribute the heat generated by the motor more uniformly inside the whole housing, and forms a ventilation path through the through hole window of the fan protection cover 4 at the rear end, the rear ventilation opening 15, the heat dissipation channel 11 and the front ventilation opening 14 at the front end, so that the ventilation is promoted, and the heat dissipation efficiency is improved.

The front end cover 2 and the rear end cover 3 are respectively assembled at the front end and the rear end of the motor shell and are used for sealing the motor and fixing the bearing, and the motor rotating shaft is installed. The front cover 2 is provided with a front bearing mounting portion 5, and is connected to an inner ring portion of the front cover 2 via a front connecting rod 6 to form a front vent 14. The rear end cover 3 is provided with a rear bearing mounting part 8 which is connected to the inner ring part of the rear end cover 3 through a rear connecting rod 9 to form a rear vent 15. Such design helps guaranteeing the steady operation of motor, realizes the circulation of inside air and the quick giving off of heat.

The front end cap 2 is provided with a front vent 14 fitted with a front dust screen 7 and the rear end cap 3 is provided with a rear vent 15 fitted with a rear dust screen 10. The design can prevent dust and particles from entering the motor, and protect the internal parts of the motor from pollution and abrasion, so that the service life of the motor is prolonged.

The front bearing mounting part 5 is connected to the inner ring part of the front end cover 2 through a front connecting rod 6, and the rear bearing mounting part 8 is connected to the inner ring part of the rear end cover 3 through a rear connecting rod 9.

The bearing mounting holes of the front bearing mounting part 5 and the rear bearing mounting part 8 are all stepped holes which can be used for mounting the bearing cover plate in a subsidence mode. The design facilitates the installation and maintenance of the bearing, and provides a more convenient operation and maintenance mode for both manufacturers and users.

The motor that obtains at utilizing this motor housing equipment, the radiator fan in the fan protection casing 4 can blow, makes the ventilation route that the front vent 14 of air through fan protection casing 4 through-hole window, back vent 15, heat dissipation passageway 11 and front end formed takes away the inside heat of motor fast, and owing to set up the dust screen, consequently can avoid external dust to get into inside the motor.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The motor shell comprises a shell main body (1), a front end cover (2) assembled at the front end of the shell main body (1), a rear end cover (3) and a fan protection cover (4) assembled at the rear end of the shell main body (1), wherein the front end cover (2) is provided with a front bearing installation part (5), and the rear end cover (3) is provided with a rear bearing installation part (8), and the motor shell is characterized in that the inner wall of the shell main body (1) is provided with a plurality of strip-shaped structures and protruding parts (12) used for supporting a motor stator (13), the protruding parts (12) are sequentially arranged at equal intervals along the circumferential direction, a heat dissipation channel (11) is formed between every two adjacent protruding parts (12), and the heat dissipation channel (11) is arranged along the front-rear direction; the front end cover (2) is provided with a front vent (14) provided with a front dust screen (7), and the rear end cover (3) is provided with a rear vent (15) provided with a rear dust screen (10); the through hole window of the fan protection cover (4), the rear ventilation opening (15), the heat dissipation channel (11) and the front ventilation opening (14) are sequentially communicated.

2. Motor housing according to claim 1, characterized in that the front bearing mounting part (5) is connected to the inner ring part of the front end cover (2) by a front connecting rod (6), the front vent (14) being formed between the front end cover (2), the front connecting rod (6) and the front bearing mounting part (5); the rear bearing mounting part (8) is connected to the inner ring part of the rear end cover (3) through a rear connecting rod (9), and the rear ventilation opening (15) is formed among the rear end cover (3), the rear connecting rod (9) and the rear bearing mounting part (8).

3. The motor housing according to claim 1, characterized in that the front end cover (2) is provided with a front step settlement, the front dust screen (7) being clamped to the front step settlement by a front plastic clamp (16); the rear end cover (3) is provided with a rear ladder sedimentation part, and the rear dust screen (10) is clamped on the rear ladder sedimentation part through a rear plastic clamp (17).

4. The motor housing according to claim 1, characterized in that the bearing mounting holes of the front bearing mounting portion (5) and the rear bearing mounting portion (8) are stepped holes for a subsideable mounting of a bearing cover plate.