CN215221894U

CN215221894U - Dustproof cover plate and motor using same

Info

Publication number: CN215221894U
Application number: CN202121419473.7U
Authority: CN
Inventors: 林冰; 毕煜; 芦彦东; 李大东; 于博; 李振宇; 张金光; 孙妍
Original assignee: Harbin Dongan Auto Engine Co Ltd
Current assignee: Harbin Dongan Auto Engine Co Ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-12-17
Anticipated expiration: 2031-06-24

Abstract

The utility model provides a motor of dustproof apron and use this dustproof apron, belongs to motor technical field. It can separate the motor from the outside, prevents the entering of dust and particulate matter, prolongs the life of motor. The utility model provides a dustproof cover plate, the apron body is thin disc structure to be equipped with a plurality of connection claws on the outside edge of apron body, all seted up the mounting hole on every connection claw, a plurality of connection claws encircle apron body non-uniform setting, the center department of apron body is equipped with ladder boss portion to the centre bore has been seted up at ladder boss portion's center. The utility model provides a motor, dustproof cover plate arranges and assembles through motor and motor dustproof cover plate screw between ISG motor and flywheel dish and clutch, and the dustproof cover plate covers in the stator and the rotor outside of ISG motor. The dustproof cover plate and the ISG motor form a sealing structure, so that dust and granular solids in the external environment are prevented from entering an air gap between the motor stator and the motor rotor.

Description

Dustproof cover plate and motor using same

Technical Field

The utility model belongs to the technical field of the motor, especially, relate to a dustproof apron and use motor of this dustproof apron.

Background

As an ISG motor for driving an energy-saving automobile, the working principle of the motor is based on the electromagnetic induction law to realize energy conversion between electric energy and mechanical energy. The main function of the engine is to generate torque, so that the power and the torque of the motor in the traditional engine can replace the power and the torque of the engine or can be superposed with the power and the torque of the engine, the fuel consumption and the emission of the traditional power can be further reduced or the output of a power system can be improved, and the improvement of the traditional power technology can be realized. An ISG motor is generally composed of a stator, a rotor, and a housing. The stator is composed of a stator core and a copper wire winding. The rotor is composed of a rotor iron core, a rotor bracket and a silicon steel sheet. The motor rotor is arranged on a crankshaft of the engine, and the motor stator is arranged on a cylinder body of the engine, so that the rotor can rotate in the center of the stator, and then the rotor can do cutting magnetic induction line motion to generate induced electromotive force. If dust or granular solids enter the ISG motor during operation, the dust or granular solids are accumulated in the motor, so that friction between air gaps of a stator and a rotor of the motor can be caused, the motor is damaged, and the service life of the motor is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a dustproof cover plate and have its motor can separate motor and outside, prevents air gap between the entering ISG motor stator and the rotor of dust and particulate matter, the life of extension motor.

The utility model adopts the technical proposal that:

the utility model provides a dustproof cover plate, includes the apron body, the apron body is thin disc structure to be equipped with a plurality of connection claws on the outside edge of apron body, all seted up the mounting hole on every connection claw, a plurality of connection claws encircle apron body non-uniform arrangement, the center department of apron body is equipped with ladder boss portion to the centre bore has been seted up at ladder boss portion's center.

A motor using the dustproof cover plate comprises an ISG motor, the dustproof cover plate, a flywheel disc, a clutch and a plurality of motors and motor dustproof cover plate mounting screws; the dustproof cover plate is arranged between the ISG motor, the flywheel disc and the clutch and assembled through the motor and the motor dustproof cover plate screws, and the dustproof cover plate covers the outer sides of the stator and the rotor of the ISG motor.

The beneficial effects of the utility model reside in that:

1. the dustproof cover plate and the ISG motor form a sealing structure, so that dust and granular solids in the external environment are prevented from entering an air gap between a motor stator and a motor rotor, and the problem of motor performance interference caused by the dust and the granular solids is prevented.

2. The dustproof cover plate is small in size, the axial size of the whole power system cannot be influenced, the installation and the disassembly are convenient, the sealing performance of the ISG motor can be improved, the sealing performance of an air gap between a motor stator and a rotor is improved, and the service life of the motor can be effectively prolonged.

Drawings

FIG. 1 is a front view of a dust cover;

FIG. 2 is a side view of the dust cover;

FIG. 3 is an exploded view of an ISG motor and dust cover installation;

FIG. 4 is a schematic view of the reference circle of the inner and outer races;

wherein: 1. engine cylinder block and oil pan flange; 2. an engine crankshaft; 3. an ISG motor; 4. a crankshaft of the motor rotor is provided with a screw; 5. a dust-proof cover plate; 6. flywheel disc and clutch; 7. flywheel disc and clutch mounting screws; 8. the motor and the motor dustproof cover plate are provided with screws; 51. a cover plate body; 52. a connecting claw; 53. a stepped boss portion; 54. mounting holes; 55. the inner circle is divided into a reference circle; 56. the outer ring is divided into reference circles; 57. the support reference circle; 58. the inner ring of the ISG motor shell.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the present invention will be described in detail with reference to the accompanying drawings 1-4.

As shown in fig. 1 and fig. 2, a dustproof cover plate includes a cover plate body 51, the cover plate body 51 is a thin disk structure, a plurality of connecting claws 52 are arranged on the outer edge of the cover plate body 51, each connecting claw 52 is provided with a mounting hole 54, the plurality of connecting claws 52 are arranged around the cover plate body 51 in a non-uniform way, the number of the connecting claws 52 and the mounting holes 54 is preferably six, the positions of the six mounting holes 54 are selected according to the threaded holes of the engine and the ISG motor 3, the six asymmetric mounting holes 54 are selected because the installation mistake proofing of the dustproof cover plate 5 can be ensured and can be shared with the threaded holes of the engine and the ISG motor 3, the center of the cover plate body 51 is provided with a step boss part 53, and the center of the step boss part 53 is provided with a center hole, and the center hole is completely embedded into the ISG motor 3, so that the use of axial space is reduced, and the sealing and dust-proof effects are achieved.

As shown in fig. 4, the inner circle pitch circle 55 of the cover body 51 is smaller than the ISG motor rotor support pitch circle 57 (where the filled part is the range of the rotor support), and the outer circle pitch circle 56 of the cover body 51 is larger than the ISG motor casing innermost circle 58 (where the blank part is the range of the motor casing innermost circle), the cover body 51 is arranged on the ISG motor stator, and the stepped boss part 53 can be embedded into the ISG motor 3 to form a sealing structure with the ISG motor 3, so as to prevent dust and granular solids in the external environment from entering the air gap between the motor stator and the motor rotor.

The corners of the step boss 53 of the cover plate body 51 are rounded off.

Each of the connecting claws 52 is of a long plate structure, one end of each of the connecting claws 52 is integrally connected with the cover plate body 51, and the other end thereof is provided with a mounting hole 54, and the corner position is rounded.

A motor using a dustproof cover plate comprises an ISG motor 3, a dustproof cover plate 5, a flywheel disc and clutch 6 and a plurality of motor and motor dustproof cover plate mounting screws 8; dust cover 5 arranges between ISG motor 3 and flywheel dish and clutch 6 and through the equipment of motor and motor dust cover mounting screw 8, and dust cover 5 covers the stator and the rotor outside at ISG motor 3.

The end part of the stator of the ISG motor 3 is provided with a plurality of mounting surfaces, the mounting surfaces are used for positioning and mounting the connecting claws 52 of the dustproof cover plate 5, and the step boss part 53 of the dustproof cover plate 5 is embedded in a step formed between the end part of the stator of the ISG motor 3 and the end part of the stator.

The ISG motor 3 is characterized in that the shape and the arrangement position of a plurality of mounting surfaces are matched with the corresponding connecting claws 52, and each mounting surface is provided with a threaded hole for mounting a motor and a motor dustproof cover plate mounting screw 8.

Firstly, an ISG motor 3 is assembled on an engine crankshaft 2 through a motor rotor crankshaft mounting screw 4, then a flywheel disc and a clutch 6 are assembled on the ISG motor 3 through a flywheel disc and clutch mounting screw 7, and finally the ISG motor 3 and a dustproof cover plate 5 are installed on an engine cylinder body and an engine oil disc flange 1 through a motor and motor dustproof cover plate mounting screw 8.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a dustproof cover plate, includes apron body (51), its characterized in that: the novel cover plate is characterized in that the cover plate body (51) is of a thin disc structure, a plurality of connecting claws (52) are arranged on the outer edge of the cover plate body (51), each connecting claw (52) is provided with a mounting hole (54), the connecting claws (52) are arranged around the cover plate body (51) in a non-uniform mode, a step boss portion (53) is arranged at the center of the cover plate body (51), and a center hole is formed in the center of the step boss portion (53).

2. The dust cover of claim 1, wherein: the inner circle reference circle of the cover plate body (51) is smaller than the reference circle of the ISG motor rotor support, and the outer circle reference circle of the cover plate body (51) is smaller than the innermost circle of the ISG motor casing.

3. The dust cover according to claim 2, wherein: the corners of the step boss part (53) of the cover plate body (51) adopt a smooth transition process.

4. A dust cover according to claim 3, wherein: each connecting claw (52) is of a long plate structure, one end of each connecting claw (52) is integrally connected with the cover plate body (51), the other end of each connecting claw is provided with a mounting hole (54), and rounding is performed at the corner position.

5. A motor using the dust cover of any one of claims 1 to 4, characterized in that: the device comprises an ISG motor (3), a dustproof cover plate (5), a flywheel disc and clutch (6) and a plurality of motors and motor dustproof cover plate mounting screws (8); dustproof cover plate (5) are arranged between ISG motor (3) and flywheel disc and clutch (6) and are assembled through motor and motor dustproof cover plate mounting screws (8), and dustproof cover plate (5) covers the stator and rotor of ISG motor (3) outside.

6. The electric machine of claim 5, wherein: the stator end part of the ISG motor (3) is provided with a plurality of mounting surfaces, the mounting surfaces are used for positioning and mounting connecting claws (52) of the dustproof cover plate (5), and a step boss part (53) of the dustproof cover plate (5) is embedded in a step formed between the stator end part and the stator end part of the ISG motor (3).

7. The electric machine of claim 6, wherein: the ISG motor is characterized in that the shape and the arrangement position of a plurality of mounting surfaces of the ISG motor (3) are matched with the corresponding connecting claws (52), and each mounting surface is provided with a threaded hole for mounting a motor and a motor dustproof cover plate mounting screw (8).