CN219875289U

CN219875289U - Compact motor with high protection level

Info

Publication number: CN219875289U
Application number: CN202320405597.2U
Authority: CN
Inventors: 姚伟峰; 李晓静; 宁同珩; 夏金阳
Original assignee: Rongcheng Huayu Motor Co ltd
Current assignee: Rongcheng Huayu Motor Co ltd
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-10-20
Anticipated expiration: 2033-03-01

Abstract

The utility model provides a compact motor with high protection level, which comprises a shell, wherein a stator is fixedly connected to the inner side wall of the shell, a front cover plate and a rear cover plate are arranged on the side surface of the shell, a rotor is fixedly connected to the outer surface of a rotating shaft, two dustproof bearings are processed, and a first inner plate and a second inner plate are fixedly connected to the inner side wall of the shell; the inner side wall fixedly connected with first collar of first inner panel, the surface laminating of first sealed rubber ring has the spacing ring, and the one end that the spacing ring kept away from first sealed rubber ring is fixedly connected with the inside wall of front shroud. According to the utility model, the dustproof bearing, the first mounting ring, the first sealing rubber ring and the limiting ring are arranged, so that sealing between the front cover plate and the first inner plate is facilitated, dust entering a gap is avoided, and the device operation is influenced.

Description

Compact motor with high protection level

Technical Field

The utility model belongs to the technical field of motors, and particularly relates to a compact motor with high protection level.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law, is represented by a letter M (an old standard is represented by D) in a circuit, and has the main effects of generating driving torque as a power source of an electric appliance or various machines, and the generator is represented by a letter G in the circuit, and has the main effects of converting electric energy into kinetic energy, ensuring the tightness of the interior of the motor by using a dustproof bearing in the motor assembly process, and avoiding dust entering in the motor operation process and influencing the motor operation.

In the use process of the existing compact motor, because a gap exists in the mounting process of the shell, air flow enters from the outside when the motor operates, dust enters the motor, and the operation of the motor is affected, so that the compact motor with high protection level is needed.

Disclosure of Invention

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a high protection level's compact motor, which comprises a housing, the inside wall fixedly connected with stator of shell, the side surface mounting of shell has front shroud and back shroud, and the inside swing joint of front shroud and back shroud has the pivot, the surface fixedly connected with rotor of pivot, the surface rotation of pivot is connected with dustproof bearing, dustproof bearing's processing is two, and is symmetrical distribution, the inside wall fixedly connected with first inner panel and the second inner panel of shell, two dustproof bearing respectively with the inside wall fixed connection of first inner panel and second inner panel;

the inner side wall fixedly connected with first collar of first inner panel, the internally mounted of first collar has first sealed rubber ring, the surface laminating of first sealed rubber ring has the spacing ring, and the one end that the spacing ring kept away from first sealed rubber ring and the inside wall fixed connection of front shroud.

Optionally, a fan is fixedly connected to the outer surface of the rotating shaft, and the fan corresponds to the rotor in position.

Optionally, the surface of second inner panel is laminated with the inside wall of back shroud mutually, the surface fixedly connected with second collar of back shroud.

Optionally, the number of the second mounting rings is two, and a second sealing rubber ring is installed in the two second mounting rings.

Optionally, the surface laminating of second sealed rubber ring has the locating part, the round hole has been seted up to the inside of locating part, and the inside fixedly connected with dust screen of round hole.

Optionally, the inside of shell has offered the screw groove, the screw runs through the spacing, and with the inside threaded connection of screw groove.

The utility model has the following beneficial effects:

compared with the prior art, through setting up dustproof bearing, first collar, first sealing rubber ring and spacing ring, utilize first inner panel to install fixedly dustproof bearing, be convenient for the pivot is installed, and then through first sealing rubber ring at first collar internally mounted for the spacing ring extrudees first sealing rubber ring, makes first sealing rubber ring take place deformation, and then closely laminates with first collar's inside wall, is favorable to realizing sealedly between preceding apron and the first inner panel, avoids producing the clearance and gets into the dust, thereby produces the influence to the device operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

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

FIG. 2 is a first view of a cross-sectional view of the internal structure of the present utility model;

FIG. 3 is an enlarged view of FIG. 2A in accordance with the present utility model;

FIG. 4 is a cross-sectional view of the internal structure of the present utility model at a second perspective;

fig. 5 is an enlarged view of fig. 4 at B in accordance with the present utility model.

The symbols in the drawings illustrate:

1. a housing; 2. a rotating shaft; 3. a rotor; 4. a stator; 5. a dust-proof bearing; 6. a first inner panel; 7. a first mounting ring; 8. a first sealing rubber ring; 9. a limiting ring; 10. a front cover plate; 11. a back cover plate; 12. a second inner panel; 13. a fan; 14. a second mounting ring; 15. the second sealing rubber ring; 16. a limiting frame; 17. a dust screen; 18. a thread groove; 19. and (5) a screw.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. 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.

Referring to fig. 1-5, the present utility model provides a high protection class compact motor: the motor comprises a shell 1, wherein a stator 4 is fixedly connected to the inner side wall of the shell 1, a front cover plate 10 and a rear cover plate 11 are mounted on the side surface of the shell 1, a rotating shaft 2 is movably connected to the inner parts of the front cover plate 10 and the rear cover plate 11, a rotor 3 is fixedly connected to the outer surface of the rotating shaft 2, dust-proof bearings 5 are rotatably connected to the outer surface of the rotating shaft 2, the number of the dust-proof bearings 5 is two, the two dust-proof bearings are symmetrically distributed, a first inner plate 6 and a second inner plate 12 are fixedly connected to the inner side wall of the shell 1, and the two dust-proof bearings 5 are fixedly connected with the inner side walls of the first inner plate 6 and the second inner plate 12 respectively;

the inside wall fixedly connected with first collar 7 of first inner panel 6, the internally mounted of first collar 7 has first sealing rubber ring 8, and the laminating of the surface of first sealing rubber ring 8 has spacing ring 9, and the one end that spacing ring 9 kept away from first sealing rubber ring 8 and the inside wall fixed connection of front shroud 10. Utilize first inner panel 6 to install fixedly dust bearing 5, be convenient for pivot 2 installs, and then through at the first sealing rubber 8 of 7 internally mounted of first collar for spacing ring 9 extrudees first sealing rubber 8, makes first sealing rubber 8 take place deformation, and then closely laminates with the inside wall of first collar 7, is favorable to realizing sealedly between preceding apron 10 and the first inner panel 6, avoids producing the clearance and gets into the dust, thereby produces the influence to the device operation.

The outer surface of the rotating shaft 2 is fixedly connected with a fan 13, and the fan 13 corresponds to the position of the rotor 3. The fan 13 is driven to fan by the rotation of the rotating shaft 2, so that the rotor 3 is cooled conveniently.

The outer surface of the second inner plate 12 is attached to the inner side wall of the back cover plate 11, and the outer surface of the back cover plate 11 is fixedly connected with a second mounting ring 14. The second inner plate 12 is matched with the first inner plate 6 to install and fix the dustproof bearings 5 on two sides, so that the rotating shaft 2 can rotate conveniently.

The number of the second mounting rings 14 is two, and the second sealing rubber rings 15 are arranged in the two second mounting rings 14. The sealing between the rear cover plate 11 and the second inner plate 12 is achieved by mounting the second sealing rubber rings 15 inside the two second mounting rings 14.

The surface laminating of second sealed rubber ring 15 has spacing 16, and the round hole has been seted up to the inside of spacing 16, and the inside fixedly connected with dust screen 17 of round hole. The dustproof net 17 is used for facilitating dust prevention on the rear side of the device and ventilation and heat dissipation inside the motor.

The inside of the shell 1 is provided with a thread groove 18, and a screw 19 penetrates through the limit frame 16 and is in threaded connection with the inside of the thread groove 18. Utilize screw 19 to fix spacing 16 and shell 1 for spacing 16 extrudees second seal rubber 15, makes the inside air current flow of motor go on only through dust screen 17, more is favorable to reinforcing device's dustproof effect.

Working principle: during the use, utilize first inner panel 6 to install fixedly dust bearing 5, be convenient for install pivot 2, and then through at first collar 7 internally mounted first sealed rubber ring 8, make spacing ring 9 extrude first sealed rubber ring 8, make first sealed rubber ring 8 take place the deformation, and then closely laminate with the inside wall of first collar 7, be favorable to realizing sealing between front shroud 10 and the first inner panel 6, avoid producing the clearance and get into the dust, thereby influence the device operation, utilize screw 19 to fix spacing 16 and shell 1, make spacing 16 extrude second sealed rubber ring 15, make the inside air current flow of motor go on only through dust screen 17, more be favorable to reinforcing apparatus's dustproof effect, make compact motor carry out dustproof sealed setting in both sides under the circumstances of realizing the heat dissipation ventilation, guarantee its high protection level.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A high protection class compact electric machine comprising a housing (1), characterized in that: the novel anti-dust device comprises a shell (1), and is characterized in that a stator (4) is fixedly connected to the inner side wall of the shell (1), a front cover plate (10) and a rear cover plate (11) are mounted on the side surface of the shell (1), a rotating shaft (2) is movably connected to the inner parts of the front cover plate (10) and the rear cover plate (11), a rotor (3) is fixedly connected to the outer surface of the rotating shaft (2), dust bearings (5) are rotatably connected to the outer surface of the rotating shaft (2), the dust bearings (5) are symmetrically distributed, a first inner plate (6) and a second inner plate (12) are fixedly connected to the inner side wall of the shell (1), and the two dust bearings (5) are respectively fixedly connected with the inner side walls of the first inner plate (6) and the second inner plate (12);

the inner side wall fixedly connected with first collar (7) of first inner panel (6), the internally mounted of first collar (7) has first sealed rubber ring (8), the laminating of the surface of first sealed rubber ring (8) has spacing ring (9), and the inside wall fixed connection of the one end that first sealed rubber ring (8) was kept away from to spacing ring (9) and front shroud (10).

2. A high protection level compact electric machine as claimed in claim 1, characterized in that: the outer surface of the rotating shaft (2) is fixedly connected with a fan (13), and the position of the fan (13) corresponds to that of the rotor (3).

3. A high protection level compact electric machine as claimed in claim 1, characterized in that: the outer surface of the second inner plate (12) is attached to the inner side wall of the rear cover plate (11), and a second mounting ring (14) is fixedly connected to the outer surface of the rear cover plate (11).

4. A high protection level compact electric machine according to claim 3, characterized in that: the number of the second mounting rings (14) is two, and second sealing rubber rings (15) are arranged in the two second mounting rings (14).

5. A high protection level compact electric machine as claimed in claim 4, wherein: the surface laminating of second sealed rubber ring (15) has spacing (16), the round hole has been seted up to the inside of spacing (16), and the inside fixedly connected with dust screen (17) of round hole.

6. A high protection level compact electric machine as claimed in claim 5, wherein: a thread groove (18) is formed in the shell (1), and a screw (19) penetrates through the limiting frame (16) and is in threaded connection with the inside of the thread groove (18).