CN111600436A - Power wheel using direct drive motor and cleaning robot - Google Patents

Power wheel using direct drive motor and cleaning robot Download PDF

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Publication number
CN111600436A
CN111600436A CN202010569037.1A CN202010569037A CN111600436A CN 111600436 A CN111600436 A CN 111600436A CN 202010569037 A CN202010569037 A CN 202010569037A CN 111600436 A CN111600436 A CN 111600436A
Authority
CN
China
Prior art keywords
drive motor
direct drive
power wheel
assembly
tread
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010569037.1A
Other languages
Chinese (zh)
Inventor
张笛
朱志龙
钟志明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Benmo Technology Co Ltd
Original Assignee
Dongguan Benmo Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongguan Benmo Technology Co Ltd filed Critical Dongguan Benmo Technology Co Ltd
Priority to CN202010569037.1A priority Critical patent/CN111600436A/en
Publication of CN111600436A publication Critical patent/CN111600436A/en
Priority to PCT/CN2021/098583 priority patent/WO2021254196A1/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/24—Floor-sweeping machines, motor-driven
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4063—Driving means; Transmission means therefor
    • A47L11/4066—Propulsion of the whole machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D57/00—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track
    • B62D57/02—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K27/00—AC commutator motors or generators having mechanical commutator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

The invention discloses a power wheel applying a direct drive motor and a cleaning robot, wherein the power wheel applying the direct drive motor comprises a power wheel shell assembly and the direct drive motor, and the power wheel shell assembly is tightly matched and installed with the outer edge of the direct drive motor; the power wheel shell assembly comprises a gland and a tread, the tread is sleeved on the outer edge of the direct drive motor, and the tread is tightly pressed on the direct drive motor through the gland. According to the structure scheme, the direct drive motor is used as the wheel hub and is tightly matched with the power wheel shell assembly to obtain the power wheel, so that the layout is simpler and more flexible, when the direct drive motor is applied to a cleaning robot, the power can be directly output outwards, parts of the wheel hub are reduced, the cost is saved, and meanwhile, the power transmission efficiency is improved; the power wheel is installed through the cooperation of the power wheel shell assembly and the direct drive motor, so that the power wheel is easy to install and disassemble.

Description

Power wheel using direct drive motor and cleaning robot
Technical Field
The invention belongs to the field of power wheels of cleaning robots, and particularly relates to a power wheel using a direct drive motor and a cleaning robot.
Background
Along with the improvement of living standard of people, the cleaning robot is gradually merged into the family life of the public. However, at present, the power source of the cleaning robot is a brush motor, and a reduction gearbox is used as a transmission device between the brush motor and a tire which is arranged independently, so that the effects of reducing speed and increasing speed are realized, and power is provided for the walking of the sweeping robot.
The sweeper adopting the brush motor and the reduction gearbox has complex layout, high installation requirement and inconvenient disassembly and replacement, and the hub is additionally designed to be used as a tire, so that the cost is increased; the reduction gearbox has large noise in the operation process, friction resistance and lubricating grease resistance exist in the gearbox, the transmission efficiency of the actuating force is low, and the power consumption is large.
Disclosure of Invention
The invention aims to provide a power wheel using a direct drive motor, which can make the layout of the power wheel more flexible, reduce parts of a wheel hub, save cost and realize the function of easy disassembly and assembly of the power wheel.
The invention also aims to provide a cleaning robot applying the direct drive motor, which can apply the power wheel applying the direct drive motor, so that the layout of the power wheel is more flexible, the parts of the wheel hub are reduced, the cost is saved, and the function of easy disassembly and assembly of the power wheel is realized.
The above object can be achieved by the following technical scheme:
a power wheel applying a direct drive motor is applied to a cleaning robot and comprises a power wheel shell assembly and the direct drive motor, wherein the power wheel shell assembly is tightly matched with the outer edge of the direct drive motor;
the power wheel shell assembly comprises a gland and a tread, the tread is sleeved on the outer edge of the direct drive motor, and the tread is tightly pressed on the direct drive motor through the gland.
Further, the power wheel shell assembly further comprises a fastener, and the gland is fixedly connected to the direct-drive motor through the fastener.
Furthermore, the direct drive motor comprises a rotor assembly, a rear cover assembly, a motor cavity, a stator assembly and a wire outlet clamp assembly, wherein the rotor assembly and the rear cover assembly are fixedly connected to form a sealed motor cavity; the stator assembly is positioned in the motor cavity, and the stator assembly is fixedly connected with the wire outlet clamp assembly.
Further, the rotor assembly comprises an upper cover, and the upper cover is fixedly connected with a gland of the power wheel shell assembly through the fastener.
Furthermore, a sealing groove is axially formed in the joint of the rear cover assembly and the outgoing line card assembly, and a sealing ring is installed in the sealing groove.
Further, a first groove is formed in the upper edge of the inner side of the tire tread, and the first groove is matched with the edge of the pressing cover.
Furthermore, a second groove is arranged at the lower edge of the inner side of the tire tread and is matched with the edge of the rear cover component.
A cleaning robot applying a direct drive motor comprises a robot main body and a power wheel applying the direct drive motor, wherein the power wheel applying the direct drive motor is connected to the robot main body as a power module.
According to the technical scheme provided by the embodiment of the application, the direct drive motor is arranged as the wheel hub, the tread is sleeved to be used as the power wheel, the traditional scheme that the brush motor is matched with the reduction gearbox is replaced, the layout is simplified, and the part cost is saved; the installation of the tire is realized through the cooperation of the power wheel shell assembly and the direct drive motor, so that the power wheel is easy to install and disassemble.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic perspective view of a power wheel provided in embodiment 1 of the present invention;
FIG. 2 is an exploded view of the power wheel structure provided in embodiment 1 of the present invention;
fig. 3 is a schematic cross-sectional view of a power wheel provided in embodiment 1 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Embodiment 1 provides a power wheel using a direct drive motor, as shown in a three-dimensional structure diagram of fig. 1, the power wheel includes a power wheel housing assembly 1 and a direct drive motor 2, the direct drive motor 2 is used as a wheel hub, and the power wheel housing assembly 1 and the outer edge of the direct drive motor 2 are installed in a tight fit manner to obtain the power wheel.
The scheme of this embodiment has replaced the scheme of traditional brush motor collocation reducing gear box, has cancelled the reducing gear box for the power module overall arrangement is simple more nimble, has solved the problem that the reducing gear box during operation produced the noise, and directly drives the wheel hub that motor 2 replaced traditional tire, can directly outwards output power, has reduced wheel hub's part, has promoted the transmission efficiency of power when having practiced thrift the cost.
As can be seen from the structural exploded view of fig. 2, in the embodiment, the power wheel housing assembly 1 includes a gland 11 and a tread 12, the tread 12 is made of rubber with certain elasticity, and the inner circle size of the tread 12 is smaller than the outer edge size of the direct drive motor 2, so that the tread 12 is tightly sleeved outside the direct drive motor 2, and then the purpose of axially positioning the tread 12 on the direct drive motor 2 is achieved by compressing the gland 11, thereby further realizing free disassembly and installation between the tread 12 and the direct drive motor 2.
Of course, the elastomeric material of the tread 12 includes, but is not limited to, rubber.
As shown in the structural explosion diagram of fig. 2, the power wheel housing assembly 1 further includes a fastener 13, in one embodiment, the fastener 13 is a screw, the gland 11 is fixedly connected to the direct drive motor 2 through the screw, and the fixed connection is a threaded connection, so that the axial limit of the tread 12 on the direct drive motor 2 is realized, and meanwhile, the tread 12 can be freely installed and detached;
on the basis, as shown in a cross-sectional view of fig. 3, a first groove 121 is arranged at the upper edge of the inner side of the tread 12, the first groove 121 is matched with the edge of the gland 11, the first groove 121 is matched with the gland 11 to play a role in compressing the edge of the tread 12 on one side of the direct drive motor 2, and the gland 11 is locked on the direct drive motor 2 through a fastener 13 and a screw.
As shown in the cross-sectional view of fig. 3, the direct drive motor 2 includes a rotor assembly 21 and a rear cover assembly 22, and the rotor assembly 21 and the rear cover assembly 22 are fastened to form a motor cavity 23.
The gland 11 is screwed with the upper cover 211 in the rotor assembly 21 through screws, so that the gland 11 is fixed on the motor; and in order to limit the tread 12, the lower edge of the inner side of the tread 12 is provided with a second groove 122, the second groove 122 is matched with the edge of the rear cover assembly 22, the second groove 122 is matched with the rear cover assembly 22 to play a role of pressing the edge of the tread 12 on one side of the direct drive motor 2, and the first groove 121 and the gland 11 are matched to ensure that the tread 12 is tightly fixed on the direct drive motor 2.
Further, in this embodiment, the fastening connection mode of the rotor assembly 21 and the rear cover assembly 22 is interference connection, a motor cavity 23 is formed after the interference connection, the motor cavity 23 accommodates parts of various motors, and the interference connection can play a role in sealing, so as to protect each part and circuit of the motor.
The direct drive motor 2 further comprises a stator assembly 24 and a wire outlet clamp assembly 25, wherein the stator assembly 24 is located inside the motor cavity 23, and the stator assembly 24 is tightly connected with the wire outlet clamp assembly 25.
In this embodiment, the stator assembly 24 and the outlet card assembly 25 are fastened and connected in an interference manner, and the outlet card assembly 25 is used for protecting outlet wires;
specifically, as shown in the cross-sectional view of fig. 3, a sealing groove 221 is axially formed at a joint of the cable outlet clamp assembly 25 and the rear cover assembly 22, a sealing ring 222 is installed in the sealing groove 221, and the purpose of sealing the direct drive motor 2 is achieved by combining the sealing relationship between the rotor assembly 21 and the rear cover assembly 22, so that the problem of poor sealing performance of the conventional power wheel is solved.
Example 2
Embodiment 2 provides a cleaning robot using a direct drive motor, which includes a robot main body and the power wheel using the direct drive motor described in embodiment 1, wherein the power wheel using the direct drive motor is connected to the robot main body as a power module. In other embodiments, the cleaning robot may be a sweeper or a mopping machine.
Therefore, the power wheel of the direct drive motor is used for replacing a power wheel module formed by matching a brush motor, a speed reducer and a tire of the traditional cleaning robot, and the embodiment cancels the speed reducer, so that the layout of the power module is simpler and more flexible, and the problem of noise generated by the speed reducer during working is solved; the direct drive motor replaces a traditional wheel hub of a tire, can directly output power outwards, reduces parts of the wheel hub, saves cost and improves power transmission efficiency; and the detachable design of the tread and the direct drive motor facilitates the easy installation and detachment of the power wheel after abrasion or aging.
The present invention is not limited to the above preferred embodiments, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides an use power wheel that directly drives motor, its is applied to cleaning machines people which characterized in that: the power wheel shell assembly comprises a power wheel shell assembly (1) and a direct drive motor (2), wherein the power wheel shell assembly (1) is tightly matched and installed with the outer edge of the direct drive motor (2);
the power wheel shell assembly (1) comprises a gland (11) and a tread (12), the tread (12) is sleeved on the outer edge of the direct drive motor (2), and the tread (12) is pressed on the direct drive motor (2) through the gland (11).
2. The power wheel using the direct drive motor as claimed in claim 1, wherein: the power wheel shell assembly (1) further comprises a fastener (13), and the gland (11) is fixedly connected to the direct-drive motor (2) through the fastener (13).
3. The power wheel using the direct drive motor as claimed in claim 2, wherein: the direct drive motor (2) comprises a rotor assembly (21), a rear cover assembly (22), a motor cavity (23), a stator assembly (24) and a wire outlet clamp assembly (25), wherein the rotor assembly (21) is fixedly connected with the rear cover assembly (22) to form a sealed motor cavity (23); the stator assembly (24) is positioned in the motor cavity (23), and the stator assembly (24) is tightly connected with the wire outlet clamp assembly (25).
4. The power wheel using the direct drive motor as claimed in claim 3, wherein: the rotor assembly (21) comprises an upper cover (211), and the upper cover (211) is fixedly connected with a gland (11) of the power wheel housing assembly (1) through the fastener (13).
5. The power wheel using the direct drive motor as claimed in claim 3, wherein: the rear cover assembly (22) and the joint of the cable outlet clamp assembly (25) are axially provided with sealing grooves (221), and sealing rings (222) are installed in the sealing grooves (221).
6. The power wheel using the direct drive motor as claimed in any one of claims 1 to 5, wherein: the upper edge of the inner side of the tread (12) is provided with a first groove (121), and the first groove (121) is matched with the edge of the gland (11).
7. The power wheel using the direct drive motor as claimed in claim 6, wherein: the lower edge of the inner side of the tread (12) is provided with a second groove (122), and the second groove (122) is matched with the edge of the rear cover component (22).
8. A cleaning robot using a direct drive motor is characterized in that: the power wheel of the direct drive motor is used as a power module and connected to the robot main body.
CN202010569037.1A 2020-06-19 2020-06-19 Power wheel using direct drive motor and cleaning robot Pending CN111600436A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202010569037.1A CN111600436A (en) 2020-06-19 2020-06-19 Power wheel using direct drive motor and cleaning robot
PCT/CN2021/098583 WO2021254196A1 (en) 2020-06-19 2021-06-07 Power wheel using direct drive motor and cleaning robot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010569037.1A CN111600436A (en) 2020-06-19 2020-06-19 Power wheel using direct drive motor and cleaning robot

Publications (1)

Publication Number Publication Date
CN111600436A true CN111600436A (en) 2020-08-28

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ID=72188121

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010569037.1A Pending CN111600436A (en) 2020-06-19 2020-06-19 Power wheel using direct drive motor and cleaning robot

Country Status (2)

Country Link
CN (1) CN111600436A (en)
WO (1) WO2021254196A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021254196A1 (en) * 2020-06-19 2021-12-23 东莞市本末科技有限公司 Power wheel using direct drive motor and cleaning robot

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Publication number Priority date Publication date Assignee Title
US20170290487A1 (en) * 2016-04-12 2017-10-12 Ya-Ching Yang Dusting device for cleaning machine
CN107374513A (en) * 2017-08-10 2017-11-24 深圳威枫豪斯新能源科技有限公司 A kind of sweeper
CN107846126B (en) * 2017-10-23 2019-11-12 山东唐骏欧铃汽车制造有限公司 Electric car directly drives hub motor
CN207782580U (en) * 2017-12-28 2018-08-28 台州市金宇机电有限公司 A kind of nonstandard electric vehicle hub direct driving motor
CN209203157U (en) * 2018-08-17 2019-08-06 深圳乐动机器人有限公司 Clean robot
CN109067122A (en) * 2018-08-17 2018-12-21 株洲罗伯特电机有限公司 A kind of punkah direct-drive permanent magnet synchronous motor
CN111600436A (en) * 2020-06-19 2020-08-28 东莞市本末科技有限公司 Power wheel using direct drive motor and cleaning robot
CN212785051U (en) * 2020-06-19 2021-03-23 东莞市本末科技有限公司 Power wheel using direct drive motor and cleaning robot

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021254196A1 (en) * 2020-06-19 2021-12-23 东莞市本末科技有限公司 Power wheel using direct drive motor and cleaning robot

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