CN220475497U

CN220475497U - Dustproof three-phase alternating current motor

Info

Publication number: CN220475497U
Application number: CN202321117823.3U
Authority: CN
Inventors: 高永升; 张福顺; 赵才刚; 金春龙
Original assignee: Zhejiang Yongfa Electromechanics Ltd
Current assignee: Zhejiang Yongfa Electromechanics Ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2024-02-09
Anticipated expiration: 2033-05-11

Abstract

The utility model relates to the technical field of three-phase alternating current motors and discloses a dustproof three-phase alternating current motor, which comprises a motor shell, wherein a stator shell is fixedly arranged in the motor shell, a plurality of stator frameworks are fixedly arranged on the inner wall of the stator shell, stator windings are wound on the stator frameworks, a plurality of groups of stator windings are rotatably arranged at the axle center of the stator windings, a rotating shaft is fixedly arranged at the axle center of the rotor windings, the rotating shaft penetrates through a front end cover and a rear end cover which are arranged on two sides of the motor shell, the front end cover is fixedly connected with one side of the motor shell, the rear end cover is clamped with the other side of the motor shell, and the detachable rear end cover and a dust guard which is hinged to the inner wall of a heat dissipation hole can effectively prevent the heat dissipation of the motor from being influenced by dust blocking the heat dissipation hole, and facilitate cleaning of inner dust accumulation, and prevent the normal operation of the motor from being influenced by the dust entering the inside the motor.

Description

Dustproof three-phase alternating current motor

Technical Field

The utility model relates to the technical field of three-phase alternating current motors, in particular to a dustproof three-phase alternating current motor.

Background

The three-phase ac motor is that when three-phase stator windings (each phase difference of 120 degrees) of the motor are energized with three-phase ac power, a rotating magnetic field is generated, the rotating magnetic field cuts the rotor windings, thereby generating induced current in the rotor windings (the rotor windings are closed paths), the current-carrying rotor conductors generate electromagnetic force under the action of the stator rotating magnetic field, thereby forming electromagnetic torque on the motor shaft, driving the motor to rotate, and the motor rotating direction is the same as the rotating magnetic field direction.

The heat dissipation performance of a three-phase alternating current motor is an important index for measuring the advantages and disadvantages of the three-phase alternating current motor, and at present, in order to improve the heat dissipation performance of the three-phase alternating current motor, the common practice in the industry is as follows: a wind wheel for accelerating air circulation is additionally arranged on the outer side of a rear end cover of a three-phase alternating current motor, a heat dissipation hole is formed in the back side of the wind wheel, dust can enter the machine body through the heat dissipation hole after long-time use or is blocked in the heat dissipation hole to influence the heat dissipation effect of the machine body, so that the use of the motor is influenced, the motor inner structure can be blocked when serious, the motor cannot normally operate, the problem that the heat dissipation of the motor is influenced due to the fact that the heat dissipation hole is blocked by dust is solved, dust is convenient to clean, and the phenomenon that the motor normally operates due to the fact that the dust enters the motor is avoided.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a dustproof three-phase alternating current motor, which solves the problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dust protected three-phase alternating current motor, includes motor housing, motor housing's inside fixed mounting has stator housing, fixed mounting has a plurality of stator skeleton on stator housing's the inner wall, the winding is installed on the stator skeleton, a plurality of groups stator winding's axle center department rotates and installs rotor winding, rotor winding's axle center department fixed mounting has the pivot, the pivot runs through motor housing both sides front end housing and rear end cap, front end housing and motor housing's one side fixed connection together, the rear end cap is in the same place with motor housing's opposite side joint installation, the louvre has been seted up on the rear end cap, the inside rotation of rear end cap is installed the wind wheel, wind wheel axle center department fixed mounting is in the one end of pivot, the other end of pivot runs through the front end housing and extends to the outside.

Preferably, a mounting ring is arranged on one side, connected with the rear end cover, of the motor shell, an upper connecting block and a lower connecting block are respectively arranged on the mounting ring, and the upper connecting block and the lower connecting block are arranged on the mounting ring in a staggered manner.

Preferably, the rear end cover is fixedly provided with an upper clamping block and a lower clamping block at positions corresponding to the mounting ring, and the upper connecting block, the lower connecting block, the upper clamping block and the lower clamping block are mutually clamped and mounted together.

Preferably, the upper connecting block, the lower connecting block, the upper clamping block and the lower clamping block are provided with limiting holes in the axial centers, and limiting inserted rods are inserted into the limiting holes.

Preferably, the dustproof plates are hinged at the inner wall ports of the plurality of radiating holes.

(III) beneficial effects

Compared with the prior art, the utility model provides a dustproof three-phase alternating current motor, which has the following beneficial effects:

1. this dust protected three-phase alternating current motor is provided with detachable rear end cap, can pull down the rear end cap after using a period and carry out the dust clearance to the motor inside, avoids deposition to influence the motor operation.

2. This dust protected three-phase alternating current motor, rear end cap and motor housing pass through, go up the splicing block, go up the clamping block down and go up the mutual joint of clamping block, lower clamping block is in the same place to carry out additional fixedly through spacing hole and spacing inserted bar, can avoid leading to the rear end cap to drop because of vibrations when the motor operates, influence the use.

3. This dust protected three-phase alternating current motor articulates at the inner wall port department of louvre and installs the dust guard, and when motor stop operation or fan need not to start the heat dissipation, the shield can avoid external dust to get into inside the motor from the louvre to avoid the dust to influence motor operation.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

fig. 3 is a schematic view of a fastening structure according to the present utility model.

In the figure: 1. a motor housing; 2. a stator housing; 3. a stator skeleton; 4. a stator winding; 5. a rotor winding; 6. a rotating shaft; 7. a front end cover; 8. a rear end cover; 9. a heat radiation hole; 10. a wind wheel; 11. a mounting ring; 12. an upper joint block; 13. a lower joint block; 14. a clamping block is arranged; 15. a lower clamping block; 16. a limiting hole; 17. a limit inserted link; 18. a dust-proof plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.

Referring to fig. 1-3, a dustproof three-phase ac motor includes a motor housing 1, a stator housing 2 is fixedly mounted in the motor housing 1, a plurality of stator frameworks 3 are fixedly mounted on an inner wall of the stator housing 2, stator windings 4 are wound on the stator frameworks 3, rotor windings 5 are rotatably mounted at axes of the plurality of groups of stator windings 4, a rotating shaft 6 is fixedly mounted at axes of the rotor windings 5, the rotating shaft 6 penetrates through a front end cover 7 and a rear end cover 8 on two sides of the motor housing 1, the front end cover 7 is fixedly connected with one side of the motor housing 1, the rear end cover 8 is fixedly connected with the other side of the motor housing 1, a heat dissipation hole 9 is formed in the rear end cover 8, a wind wheel 10 is rotatably mounted in the rear end cover 8, the axes of the wind wheel 10 is fixedly mounted at one end of the rotating shaft 6, and the other end of the rotating shaft 6 penetrates through the front end cover 7 to the outside.

Further, a mounting ring 11 is provided on one side of the motor housing 1 connected with the rear end cover 8, an upper joint block 12 and a lower joint block 13 are provided on the mounting ring 11, and the upper joint block 12 and the lower joint block 13 are provided on the mounting ring 11 in a vertically staggered manner.

Further, the rear end cover 8 is fixedly provided with an upper clamping block 14 and a lower clamping block 15 corresponding to the mounting ring 11, the upper clamping block 12, the lower clamping block 13, the upper clamping block 14 and the lower clamping block 15 are mutually clamped and mounted together, when the electric motor is used, the upper clamping block 14 and the lower clamping block 15 on the rear end cover 8 are mutually aligned with staggered gaps between the upper clamping block 12 and the lower clamping block 13, then the rear end cover 8 is rotated to mutually clamp the upper clamping block 14 and the lower clamping block 15 and the upper clamping block 12 and the lower clamping block 13, the electric motor can be mounted and dismounted only by anticlockwise rotation of the rear end cover 8, and the electric motor is more convenient to use when dust accumulation in the motor is cleaned.

Further, the limiting holes 16 are formed in the positions of the axes of the upper connecting block 12, the lower connecting block 13, the upper clamping block 14 and the lower clamping block 15, the limiting inserting rods 17 are inserted into the limiting holes 16, and the rear end cover 8 is additionally fixed through the limiting holes 16 and the limiting inserting rods 17, so that the phenomenon that the rear end cover 8 falls off due to vibration when a motor runs and the use is influenced can be avoided.

Further, the dust guard 18 is hinged to the inner wall surfaces of the heat dissipation holes 9, and when the motor stops running or the fan does not need to start heat dissipation, the dust guard 18 can prevent external dust from entering the motor from the heat dissipation holes 9, so that the dust is prevented from affecting the operation of the motor.

Instructions for use

When the motor is installed, the upper clamping block 14 and the lower clamping block 15 on the rear end cover 8 are mutually aligned with the staggered gaps between the upper clamping block 12 and the lower clamping block 13, then the installation can be completed by rotating the rear end cover 8 to mutually clamp the upper clamping block 14 and the lower clamping block 15 with the upper clamping block 12 and the lower clamping block 13, after a period of use, the rear end cover 8 only needs to be rotated anticlockwise, the installation and the disassembly are simple and convenient, the use is more convenient when the dust accumulation in the motor is cleaned, and the rear end cover 8 and the motor shell 1 are additionally fixed during the motor operation, the rear end cover 8 is prevented from falling off due to vibration when the motor is in operation, the use is influenced, when the motor is stopped or the fan does not need to start heat dissipation, the dust-proof plate 18 can prevent external dust from entering the motor from the heat dissipation hole 9, so that the dust is prevented from influencing the motor operation, the dust-proof plate 18 is more convenient to clean the dust accumulation in the motor inside after the motor is used, and the dust-proof plate 18 can be prevented from entering the motor from the heat dissipation hole 9 when the motor is stopped.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dust protected three-phase alternating current motor, includes motor housing (1), its characterized in that, the inside fixed mounting of motor housing (1) has stator housing (2), fixed mounting has a plurality of stator skeleton (3) on the inner wall of stator housing (2), winding installs stator winding (4) on stator skeleton (3), a plurality of groups the axle center department rotation of stator winding (4) installs rotor winding (5), the axle center department fixed mounting of rotor winding (5) has pivot (6), pivot (6) run through front end cover (7) and rear end cover (8) of motor housing (1) both sides, front end cover (7) are in the same place with one side fixed connection of motor housing (1), rear end cover (8) are in the same place with the opposite side joint of motor housing (1), set up louvre (9) on rear end cover (8) the inside rotation of rear end cover (8) is installed wind wheel (10), the one end of pivot (6) is fixed mounting in pivot (6) in the axle center department, the other end of pivot (6) runs through front end cover (7) and extends to the outside.

2. A dust protected three phase ac motor as set forth in claim 1 wherein: the motor is characterized in that a mounting ring (11) is arranged on one side, connected with the rear end cover (8), of the motor shell (1), an upper connecting block (12) and a lower connecting block (13) are respectively arranged on the mounting ring (11), and the upper connecting block (12) and the lower connecting block (13) are arranged on the mounting ring (11) in a staggered mode.

3. A dust protected three phase ac motor as set forth in claim 2 wherein: the rear end cover (8) is fixedly provided with an upper clamping block (14) and a lower clamping block (15) at positions corresponding to the mounting ring (11), and the upper connecting block (12), the lower connecting block (13), the upper clamping block (14) and the lower clamping block (15) are mutually clamped and mounted together.

4. A dust protected three phase ac motor as set forth in claim 2 wherein: limiting holes (16) are formed in the positions of the axes of the upper connecting block (12), the lower connecting block (13), the upper clamping block (14) and the lower clamping block (15), and limiting inserting rods (17) are inserted into the limiting holes (16).

5. A dust protected three phase ac motor as set forth in claim 1 wherein: the inner wall surfaces of the plurality of radiating holes (9) are hinged with dust-proof plates (18).