CN214755920U

CN214755920U - Uniform force transmission structure, direct-drive motor and intelligent device

Info

Publication number: CN214755920U
Application number: CN202121097381.1U
Authority: CN
Inventors: 卢旺; 何增丰; 朱志龙; 郁亚南
Original assignee: Dongguan Benmo Technology Co Ltd
Current assignee: Dongguan Benmo Technology Co Ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-11-16
Anticipated expiration: 2031-05-20

Abstract

The utility model relates to the technical field of intelligent equipment, in particular to a uniform force transmission structure, a direct drive motor and an intelligent device, wherein the direct drive motor comprises the uniform force transmission structure and is provided with a base, a rotating shaft assembly arranged in the base, a rotor cover plate connected with the rotating shaft assembly, a rotor shell connected with the rotor cover plate and a rotating end cover connected with the rotor shell and far away from one side of the rotor cover plate; the rotating end cover is provided with a rotating element and is rotatably connected to the base through the rotating element; the direct drive motor comprises a stator component sleeved outside the base and a rotor component arranged in the inner diameter of the rotor shell and opposite to the stator component; the utility model discloses set up rotating element between base and rotatory end cover, reduced the pressure of pivot subassembly in directly driving the motor working process, especially directly drive the motor at great large-scale external rotor, balanced transmission effect promotes transmission precision and extension motor life.

Description

Uniform force transmission structure, direct-drive motor and intelligent device

Technical Field

The utility model relates to an intelligence is equipped technical field, especially relates to an even power transmission structure and directly drives motor and intelligent device.

Background

With the development of science and technology, the requirements of people on living conditions are higher and higher, the quality of life is improved, the living standard is pursued, the people tend to enjoy the life, the hands are liberated, and the robot is used for replacing people to work. At present, with various intelligent devices such as intelligent robots and intelligent cleaning devices, the intelligent devices become more and more popular products in the market.

The driving wheel assembly is an indispensable important structure of the intelligent robot as an intelligent equipment moving structure, and the existing driving wheel assemblies are all provided with motors as power sources to drive the cleaning equipment to move. When the existing driving wheel assembly works, because some motor structures are large, the load is large in the transmission process, so that transmission stress points are concentrated in a rotating shaft, the rotating shaft structure and a bearing structure are easily damaged, and the service life of the whole motor is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a set up rotating element between base and rotatory end cover, reduce the pressure of pivot subassembly in directly driving the motor working process, especially directly drive the motor at bigger external rotor, balanced transmission effect promotes transmission precision and extension motor life's equal power transmission structure and directly drives motor and intelligent device.

The utility model adopts the technical proposal that: a force-equalizing transmission structure is used for a direct drive motor and comprises a base, a rotating shaft assembly arranged in the base, a rotor cover plate connected with the rotating shaft assembly, a rotor shell connected with the rotor cover plate, and a rotating end cover connected with the rotor shell and far away from one surface of the rotor cover plate; the rotating end cover is provided with a rotating element, and the rotating end cover is rotatably connected to the base through the rotating element.

The further improvement of the scheme is that the base comprises a fixed seat, a connecting seat and a placement groove penetrating through the fixed seat and the connecting seat, and the rotating shaft assembly is placed in the placement groove.

The further improvement of the scheme is that the fixed seat and the connecting seat are integrally formed, a limiting step is arranged on the fixed seat close to the connecting seat, and the rotating element abuts against the limiting step.

The rotating shaft assembly comprises a bearing element, a rotating shaft which is rotatably connected to the bearing element, and a locking cover which locks the rotating shaft to the bearing element, wherein the rotating shaft is connected with the rotor cover plate.

The further improvement of the scheme is that the rotor cover plate is provided with a connecting end in the middle, the connecting end is provided with a connecting hole, one end of the connecting hole is provided with a limiting groove, the other end of the connecting hole is provided with a limiting boss, the limiting boss is abutted to the bearing element, one end of the rotating shaft, which is far away from the locking cover, is provided with a limiting cup head, and the limiting cup head is arranged in the limiting groove.

The further improvement of the scheme is that a plurality of fastening grooves are uniformly distributed at the positions of the rotating shaft corresponding to the connecting holes in the circumferential direction.

The further improvement of the scheme is that the rotary end cover is provided with a connection outer ring connected with the rotor shell and a connection inner ring connected with the rotary element, the connection inner ring is provided with a connection flange, the connection outer ring is provided with a sealing groove corresponding to the inner diameter of the rotor shell, the sealing groove is provided with a sealing ring, and the rotary element is a bearing.

A direct drive motor comprises the uniform force transmission structure.

The further improvement of the scheme is that the direct drive motor comprises a stator component sleeved outside the base and a rotor component arranged in the inner diameter of the rotor shell and opposite to the stator component.

An intelligent device comprises the direct drive motor.

The utility model has the advantages that:

compare traditional direct drive motor, the utility model provides a tradition directly drive motor pivot subassembly load too big, lead to the short problem of life, set up rotating element between base and rotatory end cover, reduce pivot subassembly's pressure in directly driving motor working process, especially directly drive the motor at great large-scale external rotor, balanced transmission effect promotes transmission precision and extension motor life. The direct drive motor comprises a uniform force transmission structure, a motor body and a motor cover plate, wherein the uniform force transmission structure is provided with a base, a rotating shaft assembly arranged in the base, a rotor cover plate connected to the rotating shaft assembly, a rotor shell connected to the rotor cover plate, and a rotating end cover connected to the rotor shell and far away from one surface of the rotor cover plate; the rotating end cover is provided with a rotating element and is rotatably connected to the base through the rotating element; the direct drive motor comprises a stator component sleeved outside the base and a rotor component arranged in the inner diameter of the rotor shell and opposite to the stator component. In operation, through stator module cooperation rotor subassembly, it is rotatory to drive the rotor shell when the rotor subassembly is rotatory, and rotatory end cover and rotor apron are rotatory along with the rotor shell, and the rotor apron keeps rotatory equilibrium through the pivot subassembly, and rotatory end cover is then connected with the base through rotating element, and stability is good in rotatory transmission, reduces the load and the pressure of pivot subassembly, and then extension transmission life.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a direct drive motor of the present invention;

FIG. 2 is an exploded view of the direct drive motor of FIG. 1;

FIG. 3 is a perspective cross-sectional view of the direct drive motor of FIG. 1;

fig. 4 is an exploded view of the assembly of the rotating shaft assembly and the base of the direct drive motor in fig. 1.

Description of reference numerals: the rotor assembly comprises a base 1, a fixed seat 11, a limiting step 111, a connecting seat 12, a placing groove 13, a rotating shaft assembly 2, a bearing element 21, a rotating shaft 22, a limiting cup head 221, a fastening groove 222, a locking cover 23, a rotor cover plate 3, a connecting end 31, a connecting hole 32, a limiting groove 321, a limiting boss 322, a rotor shell 4, a rotating end cover 5, a rotating element 51, a connecting outer ring 52, a sealing ring 521, a connecting inner ring 53, a connecting flange 531, a stator assembly 6 and a rotor assembly 7.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1 to 4, a direct drive motor comprises a uniform force transmission structure, wherein the uniform force transmission structure comprises a base 1, a rotating shaft assembly 2 installed in the base 1, a rotor cover plate 3 connected to the rotating shaft assembly 2, a rotor housing 4 connected to the rotor cover plate 3, and a rotating end cover 5 connected to the rotor housing 4 and far away from one surface of the rotor cover plate 3; the rotating end cover 5 is provided with a rotating element 51, and the rotating end cover 5 is rotatably connected to the base 1 through the rotating element 51; the direct drive motor comprises a stator assembly 6 sleeved outside the base 1 and a rotor assembly 7 arranged in the inner diameter of the rotor shell 4 and opposite to the stator assembly 6.

Base 1 includes fixing base 11, connecting seat 12 and link up in fixing base 11 and connecting seat 12's resettlement groove 13, the resettlement groove 13 is arranged in to pivot subassembly 2, through fixing base 11 as for the inside stator module 6 that is used for connecting of motor, resettlement groove 13 cooperation pivot subassembly 2 installation, simple to operate, the structure is reliable, and connecting seat 12 is used for intelligent device to connect the drive.

Fixing base 11 and connecting seat 12 are integrated into one piece, fixing base 11 is close to connecting seat 12 and has seted up spacing step 111, rotating element 51 butt in spacing step 111, adopts integrated into one piece's base 1, and stable in structure is reliable, and an organic whole nature is strong, and spacing step 111 is spacing with rotating element 51 installation, convenient assembling.

The rotating shaft assembly 2 comprises a bearing element 21, a rotating shaft 22 and a locking cover 23, wherein the rotating shaft 22 is rotatably connected to the bearing element 21, the locking cover 23 is used for locking and connecting the rotating shaft 22 to the bearing element 21, the rotating shaft 22 is connected with the rotor cover plate 3, the bearing element 21 is provided with two bearings, the two bearings are matched with the rotating shaft 22 to be installed, one end of the rotating shaft 22 is locked and fixed on the two bearings by the locking cover 23, the other end of the rotating shaft is connected with the rotor cover plate 3, the structure is stable, and the assembly is convenient.

Rotor apron 3 has seted up link 31 between two parties, connecting hole 32 has been seted up to link 31, spacing recess 321 has been seted up to connecting hole 32 one end, the other end is equipped with spacing boss 322, spacing boss 322 butt in bearing element 21, rotation axis 22 is kept away from 23 one end of locking lid and is equipped with spacing cup 221, spacing cup 221 is located in spacing recess 321, is used for cooperating pivot subassembly 2 through spacing recess 321 and spacing boss 322 and installs and fix a position, and spacing cup 221 cooperates spacing recess 321 fixed connection, and connection stability is good.

The rotating shaft 22 is provided with a plurality of fastening grooves 222 circumferentially and uniformly at positions corresponding to the connecting holes 32, the fastening grooves 222 can further fasten and mount the structure, and the assembly stability is good and the structure is reliable.

The rotating end cover 5 is provided with a connecting outer ring 52 connected with the rotor shell 4 and a connecting inner ring 53 connected with the rotating element 51, the connecting inner ring 53 is provided with a connecting flange 531, the connecting outer ring 52 corresponds to the inner diameter of the rotor shell 4 and is provided with a sealing groove, the sealing groove is provided with a sealing ring 521, the rotating element 51 is a bearing, and the sealing effect of the structure is ensured by the sealing ring 521, and the structure is stable and reliable through the installation and fixation of the connecting inner ring 53 and the connecting outer ring 52 in a matching structure.

The intelligent device adopts the direct drive motor, and can be intelligent cleaning equipment or an intelligent robot.

The utility model provides a tradition directly drive motor pivot subassembly 2 and load too big, lead to the short problem of life, set up rotating element 51 between base 1 and rotatory end cover 5, reduce pivot subassembly 2's pressure in directly driving the motor working process, especially directly drive the motor at great large-scale external rotor, balanced transmission effect promotes transmission precision and extension motor life. Specifically, the direct drive motor comprises a uniform force transmission structure and is provided with a base 1, a rotating shaft assembly 2 arranged in the base 1, a rotor cover plate 3 connected to the rotating shaft assembly 2, a rotor shell 4 connected to the rotor cover plate 3 and a rotating end cover 5 connected to the rotor shell 4 and far away from one surface of the rotor cover plate 3; the rotating end cover 5 is provided with a rotating element 51, and the rotating end cover 5 is rotatably connected to the base 1 through the rotating element 51; the direct drive motor comprises a stator assembly 6 sleeved outside the base 1 and a rotor assembly 7 arranged in the inner diameter of the rotor shell 4 and opposite to the stator assembly 6. In operation, through stator module 6 cooperation rotor subassembly 7, it is rotatory to drive rotor housing 4 when rotor subassembly 7 is rotatory, and rotatory end cover 5 and rotor apron 3 are rotatory along with rotor housing 4, and rotor apron 3 keeps rotatory equilibrium through pivot subassembly 2, and rotatory end cover 5 is then connected with base 1 through rotating element 51, and stability is good in rotatory transmission, reduces the load and the pressure of pivot subassembly 2, and then extension transmission life.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a transmission structure of all forcing for directly drive the motor which characterized in that: the rotary shaft assembly is arranged in the base, the rotor cover plate is connected with the rotary shaft assembly, the rotor shell is connected with the rotor cover plate, and the rotary end cover is connected with the rotor shell and is far away from one surface of the rotor cover plate; the rotating end cover is provided with a rotating element, and the rotating end cover is rotatably connected to the base through the rotating element.

2. The force equalizing transmission structure according to claim 1, wherein: the base comprises a fixed seat, a connecting seat and a placement groove penetrating through the fixed seat and the connecting seat, and the rotating shaft assembly is arranged in the placement groove.

3. The force equalizing transmission structure according to claim 2, wherein: the fixing seat and the connecting seat are integrally formed, a limiting step is formed on the fixing seat close to the connecting seat, and the rotating element abuts against the limiting step.

4. The force equalizing transmission structure according to claim 1, wherein: the rotating shaft assembly comprises a bearing element, a rotating shaft rotatably connected to the bearing element, and a locking cover for locking and connecting the rotating shaft to the bearing element, wherein the rotating shaft is connected with the rotor cover plate.

5. The force equalizing transmission structure according to claim 4, wherein: the rotor cover plate is provided with a connecting end in the middle, the connecting end is provided with a connecting hole, one end of the connecting hole is provided with a limiting groove, the other end of the connecting hole is provided with a limiting boss, the limiting boss is abutted to a bearing element, one end, far away from the locking cover, of the rotating shaft is provided with a limiting cup head, and the limiting cup head is arranged in the limiting groove.

6. The force equalizing transmission structure according to claim 5, wherein: and a plurality of fastening grooves are circumferentially and uniformly distributed at the positions of the rotating shaft corresponding to the connecting holes.

7. The force equalizing transmission structure according to claim 1, wherein: the rotary end cover is provided with a connection outer ring connected with the rotor shell and a connection inner ring connected with the rotary element, the connection inner ring is provided with a connection flange, the connection outer ring is provided with a sealing groove corresponding to the inner diameter of the rotor shell, the sealing groove is provided with a sealing ring, and the rotary element is a bearing.

8. A direct drive motor characterized by: the uniform force transmission structure comprises the uniform force transmission structure as claimed in any one of claims 1 to 7.

9. The direct drive motor as set forth in claim 8, wherein: the direct drive motor comprises a stator component sleeved outside the base and a rotor component arranged in the inner diameter of the rotor shell and opposite to the stator component.

10. An intelligent device, characterized in that: a direct drive motor comprising any one of claims 8 to 9.