CN215172059U

CN215172059U - Electric driving wheel

Info

Publication number: CN215172059U
Application number: CN202120823033.1U
Authority: CN
Inventors: 程勇玖
Original assignee: Hangzhou Hengye Motor Manufacture Co ltd
Current assignee: Hengye Intelligent Drive Hangzhou Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-12-14
Anticipated expiration: 2031-04-21

Abstract

An electric driving wheel belongs to the technical field of movable equipment driving wheels and comprises a motor, a speed reducer and a wheel body which are matched with each other, and is characterized in that the wheel body is arranged on a machine shell and is in transmission connection with a gear body, a cylindrical cavity is arranged on one side of the machine shell and is used for installing a stator assembly, a rotor assembly and an end cover assembly, a flange surface is arranged on the end surface of the other side of the machine shell and is used for installing a speed reduction box body, a rotating shaft of the motor is in transmission connection with the gear body, and an installing surface is arranged on one side outside the machine shell in an outward extending mode; according to the technical scheme, the motor shell is directly connected with the reduction box body and matched with the reduction box body, and the motor shell extends outwards to form a mounting surface, so that the effects of reducing parts, shortening an assembly process route, reducing comprehensive errors of a machining size chain, reducing assembly complexity and the like are achieved, the product performance and the batch product consistency can be effectively controlled, the problems of increased equipment operation noise and high driving wheel failure rate caused by support looseness can be effectively solved, and the comprehensive performance and comprehensive competitiveness of equipment are improved.

Description

Electric driving wheel

Technical Field

The utility model belongs to the technical field of portable equipment drive wheels such as full self-cleaning equipment, transport transportation equipment, concretely relates to electricity drive wheel.

Background

The movement driving of cleaning equipment such as a full-automatic cleaning and sucking machine, a sweeper and the like and conveying and transporting equipment basically adopts an electric driving wheel; the device comprises a driving wheel body, a speed reducer, a motor, a support and other main components, wherein the driving wheel body is arranged on the support through a bearing, and torque is transmitted to the wheel body from the output end of the speed reducer; the bracket is used for supporting or mounting the motor and the speed reducer and has the mounting, connecting and fixing functions with matched equipment; the motor comprises main components such as an end cover, a shell, a stator (or a magnetic shoe), a rotor and the like; the reducer comprises a box body, a box cover, a transmission gear and other main components; wherein the support passes through mode suit such as fix with screw or heat cover technology on motor or reduction gear shell, there are a great deal of drawbacks in this type of product structure, including parts machining precision requires highly, the cycle length, assembly route is long, the assembly process is complicated etc, it is not hard up to cup joint fixed fit between support and the casing appears easily in the use simultaneously, and when the cooperation between support and the casing appears not hard up, can increase equipment operation noise, also can arouse the motor, the reduction gear takes place the vibration, arouse the motor easily, reduction gear and transmission connection structure damage, thereby reduce equipment performance and life, can cause the incident when serious.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at having the shell structure's of integrated into one piece structure application through motor housing and installing support, provide an electric drive wheel technical scheme to overcome the problem that exists among the prior art.

An electric drive wheel, including the motor that mutually supports, the reduction gear, the wheel body, the reduction gear includes the gear body, the reduction box, the case lid, the output shaft, the motor includes the casing, stator module, the rotor subassembly, the end cover subassembly, its characterized in that wheel body is installed on the casing and is connected with the gear body transmission, one side of casing sets up cylindrical cavity and is used for installing stator module, the rotor subassembly, the end cover subassembly, the opposite side terminal surface of casing sets up the flange face and is used for installing the reduction box, the motor shaft is connected with the gear body transmission, outside one side of casing extends and sets up the installation face.

The electric driving wheel is characterized in that the front end of the motor rotating shaft adopts a gear structure to form a shaft end gear, and the shaft end gear is meshed and matched with a gear body to form transmission connection between the shaft end gear and the gear body.

The electric driving wheel is characterized in that the wheel body is in transmission connection with the gear body through the output shaft

The electric driving wheel is characterized in that the wheel body is arranged on the machine shell through a bearing and is in running fit with the machine shell.

The electric driving wheel is characterized in that the end cover assembly is fixedly connected to the end face of the machine shell on the side of the cylindrical cavity.

The electric driving wheel is characterized in that the outer surface of the stator component is tightly connected with the inner surface of the cylindrical cavity in a gapless fit mode.

The electric driving wheel is characterized in that the mounting surface is of a U-shaped or U-like structure.

The electric driving wheel is characterized in that the gear body adopts a duplicate gear structure and is composed of a driven gear and a driving gear, the driven gear is in transmission connection with a motor rotating shaft, and the driving gear is in transmission connection with the wheel body.

The electric driving wheel is characterized in that a driving disc fixedly matched with the output shaft of the speed reducer is arranged on the output shaft of the speed reducer, the driving disc is fixedly connected and matched with a wheel body, an output shaft gear is arranged between the output shaft and a gear body, the output shaft gear is fixedly connected and matched with the output shaft and is meshed with the gear body for transmission matching, and the wheel body and the gear body are in transmission connection through the driving disc, the output shaft and the output shaft gear.

The electric driving wheel is characterized in that the gear body adopts a duplicate gear structure and is composed of a driven gear and a driving gear, the driven gear is in transmission connection with a motor rotating shaft, and the driving gear is in meshing transmission fit with the output shaft gear.

An electric drive wheel novel in design, rational in infrastructure, adopt the motor casing directly to be connected the cooperation with the reduction box and outside extending the structure that constitutes the installation face at the casing, realized reducing the spare part of electric drive wheel, shorten assembly process route, reduce the comprehensive error of machining dimension chain, effect such as reduction assembly complexity, make product property and batch product uniformity can obtain effective control, reached simultaneously and shortened electric drive wheel production cycle, improve effects such as assembly speed and production efficiency by a wide margin, the equipment operation noise that the support is not hard up to cause among the prior art increases also can effectively be avoided in the application of this integrated configuration, drive wheel fault rate is high problem, promote equipment comprehensive properties and comprehensive competitiveness.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the housing of the present invention;

FIG. 3 is another schematic structural view of the housing shown in FIG. 2; (ii) a

In the figure: the device comprises a bearing 1, a gear body 2, a driven gear 2a, a driving gear 2b, a box cover 3, a casing 4, a mounting surface 4a, a cylindrical cavity 4b, a flange surface 4C, a wheel body 5, a stator assembly 6, a rotor assembly 7, a motor rotating shaft 7a, a shaft end gear 7b, an end cover assembly 8, a reduction box 9, an output shaft 10, a driving disc 11, a first screw 12, a second screw 13 and an output shaft gear 14.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings:

as shown in the figure, the electric driving wheel comprises a motor, a speed reducer and a wheel body 5 which are matched with each other, wherein the speed reducer comprises a gear body 2, a speed reduction box body 9, a box cover 3 and an output shaft 10, the motor comprises a shell 4, a stator assembly 6, a rotor assembly 7 and an end cover assembly 8, the wheel body 5 is installed on the shell 4 through a bearing 1, and the wheel body 5 and the gear body 2 form transmission connection through an output shaft gear 14; one side of the machine shell 4 is provided with a cylindrical cavity 4b for installing a stator assembly 6, a rotor assembly 7 and an end cover assembly 8, the outer surface of the stator assembly 6 is closely connected with the inner surface of the cylindrical cavity 4b in a gapless fit manner during installation, the rotor assembly 7 is installed in a fit manner with the stator assembly 6 to form a rotating fit structure, the end cover assembly 8 is fixedly connected to the end surface of the machine shell 4 at the side of the cylindrical cavity 4b, and generally, the end surface of the machine shell 4 is provided with an installation hole and fixedly connected by adopting a screw or a bolt; the end face of the other side of the machine shell 4 is provided with a flange face 4C for installing a reduction box body 9, the box cover 3 is installed at the other end of the reduction box body 9, and a gear body 2 and corresponding gear oil are filled in the reduction box body 9; bearings are assembled at two ends of the gear body 2 and are respectively arranged in corresponding holes of the reduction box body 9 and the box cover 3; the motor rotating shaft 7a is in transmission connection with the gear body 2, when the motor runs, the motor rotating shaft 7a drives the gear body 2 in transmission connection with the motor rotating shaft, and the gear body 2 drives the wheel body 5 to rotate through the output shaft 10, so that the effect of a driving wheel is achieved; the outer side of the housing 4 extends outwards to form a mounting surface 4a, and in consideration of the mounting position of the wheel body 5, the top end of one side of the housing 4 extends outwards to form the mounting surface 4a, and the mounting surface 4a is provided with mounting holes for fixedly mounting the driving wheel on the matching equipment.

In the above embodiment, the front end of the motor rotating shaft 7a adopts a gear structure to form the shaft end gear 7b, the shaft end gear 7b is meshed and matched with the gear body 2 to form the transmission connection between the shaft end gear 7b and the gear body 2, and the motor rotating shaft 7a and the gear body 2 are directly meshed and transmitted to improve the transmission stability.

In the above embodiment, as a specific implementation manner, the wheel body 5 and the gear body 2 form a transmission connection through the driving disk 11, the output shaft 10 and the output shaft gear 14; wherein: a driving disc 11 fixedly matched with the output shaft 10 of the speed reducer is arranged on the output shaft 10, the driving disc 11 and the output shaft 10 are fixedly connected into a whole through a first screw 12, and the outer end of the driving disc 11 and the wheel body 5 form fixed connection matching through a second screw 13; set up out shaft gear 14 between output shaft 10 and the gear body 2, it cooperates with output shaft 10 fixed connection to go out shaft gear 14, with gear body 2 meshing transmission cooperation, gear body 2 and motor shaft 7a meshing cooperation, motor shaft 7a drive gear body 2 is rotatory, gear body 2 rotates together through the output shaft 10 with its meshing complex play shaft gear 14 drive and play shaft gear 14 fixed connection, wheel body 5 rotates together through driving-disc 11 and output shaft 10, drive wheel body 5 rotates, it rotates to realize wheel body 5 along with the motor operation.

In the above embodiment, the mounting surface 4a formed by extending the exterior of the housing 4 outward is a U-shaped or U-like structure, and the U-shaped or U-like fixed mounting structure not only reduces the material and the processing surface, thereby reducing the cost; meanwhile, the stability of equipment installation can be improved, and the deformation of an installation plane can be reduced.

In the above embodiment, the description is given by using a dual gear structure for further transmission structural relationship, where the gear body 2 is composed of a driven gear 2a and a driving gear 2b, and the driven gear 2a is engaged with a shaft end gear 7b of a motor rotating shaft 7a to form transmission connection between the gear body 2 and the motor rotating shaft 7 a; the driving gear 2b is meshed with the output shaft gear 14 for transmission fit, the output shaft gear 14 and the output shaft 10, the output shaft 10 and the driving disc 11, and the driving disc 11 and the wheel body 5 are respectively fixedly connected and matched, and the driving gear 2b and the wheel body 5 are in transmission connection through the output shaft gear 14, the output shaft 10 and the driving disc 11; when the motor runs, the shaft end gear 7b rotates along with the motor rotating shaft 7a to drive the driven gear 2a to rotate, the driving gear 2b rotates along with the driven gear 2a, meanwhile, the output shaft gear 14 meshed and matched with the driving gear 2b is driven to rotate, the wheel body 5, the driving disc 11, the output shaft 10 and the output shaft gear 14 are sequentially fixedly connected and matched to form an integral structure, and the shaft gear 14 drives the wheel body 5 to rotate through the output shaft 10 and the driving disc 11.

In the above embodiment, the outer surface of the stator assembly 6 is tightly connected with the inner surface of the cylindrical cavity 4b without clearance fit, and when the stator assembly 6 adopts a magnetic shoe combined structure, corresponding magnetic shoes are uniformly distributed and adhered to the inner wall of the cylindrical cavity 4 b; when the stator component 6 adopts a matching structure of an iron core and a coil, the iron core and the inner wall of the movable cylindrical cavity 4b are in a gapless compression joint matching structure.

Claims

1. The utility model provides an electric drive wheel, including the motor of mutually supporting, the reduction gear, wheel body (5), the reduction gear includes gear body (2), reduction box (9), case lid (3), output shaft (10), the motor includes casing (4), stator module (6), rotor subassembly (7), end cover subassembly (8), its characterized in that wheel body (5) are installed on casing (4) and are connected with gear body (2) transmission, one side of casing (4) sets up cylindrical cavity (4 b) and is used for installing stator module (6), rotor subassembly (7), end cover subassembly (8), another side end face of casing (4) sets up flange face (4C) and is used for installing reduction box (9), motor shaft (7 a) are connected with gear body (2) transmission, casing (4) outside one side outwards extends and sets up installation face (4 a).

2. An electric drive wheel according to claim 1, characterized in that the front end of the motor shaft (7 a) is formed into a shaft end gear (7 b) by a gear structure, and the shaft end gear (7 b) is engaged with the gear body (2) to form a transmission connection between the shaft end gear (7 b) and the gear body (2).

3. An electric drive wheel according to claim 1, characterised in that the wheel body (5) is in driving connection with the gear body (2) via the output shaft (10).

4. An electric drive wheel according to claim 1, characterized in that the wheel body (5) is mounted on the housing (4) by means of a bearing (1) and forms a rotational fit with the housing (4).

5. An electric drive wheel according to claim 1, characterized in that the end cover assembly (8) is fixedly attached to the end face of the housing (4) on the side of the cylindrical cavity (4 b).

6. An electric drive wheel according to claim 1, characterized in that the outer surface of the stator assembly (6) is in close contact with the inner surface of the cylindrical cavity (4 b) without clearance.

7. An electric drive wheel according to claim 1, characterized in that said mounting surface (4 a) is of U-shaped or U-like configuration.

8. An electric drive wheel according to claim 1, characterized in that the gear body (2) is of a duplicate gear structure and is composed of a driven gear (2 a) and a driving gear (2 b), the driven gear (2 a) is in transmission connection with the motor rotating shaft (7 a), and the driving gear (2 b) is in transmission connection with the wheel body (5).

9. An electric drive wheel as claimed in claim 2, characterized in that the output shaft (10) of the reduction gear is provided with a drive disk (11) fixedly engaged therewith, the drive disk (11) is fixedly connected and engaged with the wheel body (5), an output shaft gear (14) is provided between the output shaft (10) and the gear body (2), the output shaft gear (14) is fixedly connected and engaged with the output shaft (10) and engaged with the gear body (2), and the wheel body (5) and the gear body (2) are in transmission connection through the drive disk (11), the output shaft (10) and the output shaft gear (14).

10. An electric drive wheel according to claim 9, characterized in that the gear body (2) is of a double gear structure and is composed of a driven gear (2 a) and a driving gear (2 b), the driven gear (2 a) is in transmission connection with the motor rotating shaft (7 a), and the driving gear (2 b) is in meshing transmission fit with the output shaft gear (14).