CN114451820B - Rolling brush lifting mechanism of floor sweeping robot - Google Patents

Rolling brush lifting mechanism of floor sweeping robot Download PDF

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Publication number
CN114451820B
CN114451820B CN202210204814.1A CN202210204814A CN114451820B CN 114451820 B CN114451820 B CN 114451820B CN 202210204814 A CN202210204814 A CN 202210204814A CN 114451820 B CN114451820 B CN 114451820B
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China
Prior art keywords
lifting arm
driving motor
driven lifting
rolling brush
driven
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CN202210204814.1A
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Chinese (zh)
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CN114451820A (en
Inventor
熊大江
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Guangdong Lilin Intelligent Technology Co ltd
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Guangdong Lilin Intelligent Technology Co ltd
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    • 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
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • 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
    • A47L11/4052—Movement of the tools or the like perpendicular to the cleaning surface
    • A47L11/4055—Movement of the tools or the like perpendicular to the cleaning surface for lifting the tools to a non-working position
    • 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
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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  • Manipulator (AREA)

Abstract

The invention relates to the technical field of sweeping robots, in particular to a rolling brush lifting mechanism of a sweeping robot, wherein when lifting operation is required, a controller controls a driving motor to rotate along the lifting direction of a driven lifting arm, an output end of the driving motor drives a driving cam to rotate, the driving cam drives one end of the driven lifting arm to rotate, and the other end of the driven lifting arm lifts a rolling brush seat connecting device.

Description

Rolling brush lifting mechanism of floor sweeping robot
Technical Field
The invention relates to the technical field of sweeping robots, in particular to a rolling brush lifting mechanism of a sweeping robot.
Background
In the existing sweeping robot, a chassis is mostly provided with a rolling brush seat and a rolling brush rotationally connected with the rolling brush seat; the sweeping robot stops sweeping after finishing sweeping the ground, but the round brush often remains pollutants such as dust, and when the sweeping robot moves, the round brush continuously rolls in contact with the ground, and the residual pollutants of the round brush easily fall off to the ground, so that secondary pollution is caused.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide a rolling brush lifting mechanism of a sweeping robot, which is applied to the sweeping robot and can lift a rolling brush seat and a rolling brush together to separate the rolling brush seat from the ground so as to avoid secondary pollution caused by the contact of the rolling brush and the ground when the sweeping robot moves after the sweeping robot stops sweeping.
The purpose of the invention is realized by the following technical scheme: a rolling brush lifting mechanism of a sweeping robot comprises a fixed seat, a driving motor arranged on the fixed seat, a driving cam connected with the output end of the driving motor, a driven lifting arm with one end connected with the driving cam, a rolling brush seat connecting device connected with the other end of the driven lifting arm, and a controller electrically connected with the driving motor, wherein the controller is used for controlling the rotation direction and the angular displacement of the driving motor; when the rolling brush seat connecting device needs to be lifted, the controller controls the driving motor to rotate along the lifting direction of the driven lifting arm, the output end of the driving motor drives the driving cam to rotate, the driving cam drives one end of the driven lifting arm to rotate, and the other end of the driven lifting arm is lifted to the rolling brush seat connecting device.
Preferably, the fixing base extends there is the mount pad, one side of mount pad extends there is the fixed cover of motor, the through-hole of stepping down has been seted up to the mount pad, driving motor's output is followed the fixed cover of motor runs through the through-hole of stepping down and with initiative cam fixed connection.
Preferably, a limiting rib extends from the other side of the mounting seat, and a limiting boss matched with the limiting rib extends from one end of the driven lifting arm; when the driven lifting arm lifts for a certain distance, the arm rod of the driven lifting arm abuts against one end of the limiting rib; when the driven lifting arm descends for a certain distance, the limiting boss abuts against the other end of the limiting rib.
Preferably, the controller is electrically connected with a first microswitch and a second microswitch, and a first stop convex tooth matched with the first microswitch and a second stop convex tooth matched with the second microswitch extend from one end of the driven lifting arm; when the driven lifting arm is lifted for a certain distance, the first stop convex tooth is pressed on the first microswitch, and the driving motor stops rotating; when the driven lifting arm descends for a certain distance, the second stop convex teeth are pressed on the second microswitch, and the driving motor stops rotating.
Preferably, the other side of the mounting seat is provided with a yielding groove, the yielding groove is provided with a first threaded hole, the driving motor is provided with a second threaded hole communicated with the first threaded hole, and the driving motor is connected with the mounting seat through a screw.
Preferably, one end of the driven lifting arm is provided with a clamping hole matched with the driving cam, and the driving cam is clamped with the driven lifting arm through the clamping hole.
Preferably, the other end of driven lifting arm extends there is the trip, round brush seat connecting device includes round brush seat link and the lifting gyro wheel of being connected through roller shaft and round brush seat link, lifting gyro wheel hook is located the trip.
Preferably, the driving motor is a miniature direct current speed reducing motor.
The invention has the beneficial effects that: according to the rolling brush lifting mechanism of the sweeping robot, when lifting operation is needed, the controller controls the driving motor to rotate along the lifting direction of the driven lifting arm, the output end of the driving motor drives the driving cam to rotate, the driving cam drives one end of the driven lifting arm to rotate, and the other end of the driven lifting arm lifts the rolling brush seat connecting device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded schematic view of the present invention;
fig. 3 is a structural schematic diagram of a natural state of the combination of the rolling brush lifting mechanism and the rolling brush seat of the sweeping robot;
fig. 4 is a schematic structural diagram of a lifting state of the combination of the rolling brush lifting mechanism and the rolling brush seat of the sweeping robot.
The reference signs are: 1. a fixed seat; 2. a drive motor; 3. a driving cam; 4. a driven lift arm; 5. a rolling brush seat connecting device; 51. the rolling brush seat connecting frame; 52. a roller shaft; 53. lifting the roller; 6. a controller; 7. a mounting seat; 8. a motor fixing sleeve; 9. a yielding through hole; 10. limiting ribs; 11. a limiting boss; 12. a first microswitch; 13. a second microswitch; 14. a first stop lobe; 15. a second stop lobe; 16. a yielding groove; 17. a first threaded hole; 18. a second threaded hole; 19. a clamping hole; 20. and (7) clamping hooks.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention is further described below with reference to examples and drawings, and the content of the embodiments is not intended to limit the present invention.
Example 1
As shown in fig. 1-4, a roller brush lifting mechanism of a sweeping robot includes a fixed base 1, a driving motor 2 installed on the fixed base 1, a driving cam 3 connected to an output end of the driving motor 2, a driven lifting arm 4 having one end connected to the driving cam 3, a roller brush base connecting device 5 connected to the other end of the driven lifting arm 4, and a controller 6 electrically connected to the driving motor 2, wherein the controller 6 is used for controlling a rotation direction and an angular displacement of the driving motor 2; when the rolling brush seat connecting device 5 needs to be lifted, the controller 6 controls the driving motor 2 to rotate along the lifting direction of the driven lifting arm 4, the output end of the driving motor 2 drives the driving cam 3 to rotate, the driving cam 3 drives one end of the driven lifting arm 4 to rotate, and the other end of the driven lifting arm 4 is lifted to the rolling brush seat connecting device 5.
When the sweeping robot rolling brush lifting mechanism needs to be lifted, the controller 6 controls the driving motor 2 to rotate along the lifting direction of the driven lifting arm 4, the output end of the driving motor 2 drives the driving cam 3 to rotate, the driving cam 3 drives one end of the driven lifting arm 4 to rotate, and the other end of the driven lifting arm 4 lifts the rolling brush seat connecting device 5; on the contrary, when the rolling brush holder connecting device 5 needs to be reset, the controller 6 controls the driving motor 2 to rotate along the descending direction of the driven lifting arm 4, the output end of the driving motor 2 drives the driving cam 3 to rotate, the driving cam 3 drives one end of the driven lifting arm 4 to rotate, and the other end of the driven lifting arm 4 descends the rolling brush holder connecting device 5, so that the rolling brush holder descends together with the rolling brush and the rolling brush is in contact with the ground.
In this embodiment, fixing base 1 extends there is mount pad 7, one side of mount pad 7 extends there is the fixed cover 8 of motor, mount pad 7 has been seted up and has been stepped down through-hole 9, driving motor 2's output is followed the fixed cover 8 of motor runs through step down through-hole 9 and with 3 fixed connection of initiative cam.
By adopting the technical scheme, the driving motor 2 extends into the motor fixing sleeve 8 for fixing, so that the situation that the output end of the driving motor 2 is influenced by the displacement of the driving motor 2 in use is avoided.
In this embodiment, a limiting rib 10 extends from the other side of the mounting seat 7, and a limiting boss 11 matched with the limiting rib 10 extends from one end of the driven lifting arm 4; when the driven lifting arm 4 is lifted for a certain distance, the arm rod of the driven lifting arm 4 abuts against one end of the limiting rib 10; when the driven lifting arm 4 descends for a certain distance, the limiting boss 11 abuts against the other end of the limiting rib 10.
By adopting the technical scheme, the rotation range of the driven lifting arm 4 is limited by the limiting rib 10, so that the lifting/falling distance of the driven lifting arm 4 is controlled, and the use space is saved.
In this embodiment, the controller 6 is electrically connected to a first microswitch 12 and a second microswitch 13, and a first stop tooth 14 engaged with the first microswitch 12 and a second stop tooth 15 engaged with the second microswitch 13 extend from one end of the driven lifting arm 4; when the driven lifting arm 4 is lifted for a certain distance, the first stop convex tooth 14 is pressed on the first microswitch 12, and the driving motor 2 stops rotating; when the driven lifting arm 4 descends for a certain distance, the second stop convex tooth 15 is pressed on the second microswitch 13, and the driving motor 2 stops rotating.
By adopting the technical scheme, the lifting/descending distance of the driven lifting arm 4 can be controlled more conveniently, and the use space is saved.
In this embodiment, a yielding groove 16 is formed in the other side of the mounting seat 7, a first threaded hole 17 is formed in the yielding groove 16, the driving motor 2 is provided with a second threaded hole 18 communicated with the first threaded hole 17, and the driving motor 2 is connected with the mounting seat 7 through a screw (not shown in the figure).
By adopting the technical scheme, the screw is sequentially in threaded connection with the first threaded hole 17 and the second threaded hole 18, the driving motor 2 is more stably connected with the mounting seat 7, the set abdicating groove 16 can accommodate the screw head, the structure is more compact, and the space saving is more facilitated.
In this embodiment, one end of the driven lift arm 4 is provided with a clamping hole 19 matched with the driving cam 3, and the driving cam 3 is clamped with the driven lift arm 4 through the clamping hole 19.
By adopting the technical scheme, the driving cam 3 directly drives the driven lifting arm 4 to rotate when rotating, the structure is more compact, and the space is more favorably saved.
In this embodiment, a hook 20 extends from the other end of the driven lifting arm 4, the rolling brush base connection device 5 includes a rolling brush base connection frame 51 and a lifting roller 53 connected to the rolling brush base connection frame 51 through a roller shaft 52, and the lifting roller 53 is hooked on the hook 20.
Adopt above-mentioned technical scheme, during 4 lifting round brush seat connecting device 5 of driven lifting arm, the trip 20 of 4 lifting of driven lifting arm rises together with lifting gyro wheel 53, roller shaft 52 and round brush seat link 51, when this robot round brush lifting mechanism of sweeping the floor applies to the robot of sweeping the floor, be connected round brush seat link 51 and the round brush seat of the robot of sweeping the floor, when robot round brush lifting mechanism lifting round brush seat connecting device 5 of sweeping the floor, can break away from ground to the round brush seat together with the round brush lifting together, cause secondary pollution with ground contact in order to avoid the robot of sweeping the floor to stop to clean the back when the robot of sweeping the floor removes the round brush.
In this embodiment, the driving motor 2 is a micro dc speed reduction motor.
Adopt above-mentioned technical scheme, the initiative cam 3 that utilizes miniature direct current gear motor to connect rotates, changes in realizing the raising and lowering functions of control round brush seat connecting device 5, and the occupation space of being applied to in the robot of sweeping the floor moreover is less, and is very big to the internal space originally with crowded robot practicality of sweeping the floor.
The above-described embodiments are preferred implementations of the present invention, and the present invention can be implemented in other ways without departing from the spirit of the present invention.

Claims (4)

1. The utility model provides a robot round brush lifting mechanism sweeps floor, its characterized in that: the device comprises a fixed seat, a driving motor arranged on the fixed seat, a driving cam connected with the output end of the driving motor, a driven lifting arm with one end connected with the driving cam, a rolling brush seat connecting device connected with the other end of the driven lifting arm, and a controller electrically connected with the driving motor, wherein the controller is used for controlling the rotation direction and the angular displacement of the driving motor; when the rolling brush seat connecting device needs to be lifted, the controller controls the driving motor to rotate along the lifting direction of the driven lifting arm, the output end of the driving motor drives the driving cam to rotate, the driving cam drives one end of the driven lifting arm to rotate, and the other end of the driven lifting arm lifts the rolling brush seat connecting device;
the controller is electrically connected with a first microswitch and a second microswitch, and a first stop convex tooth matched with the first microswitch and a second stop convex tooth matched with the second microswitch extend from one end of the driven lifting arm; when the driven lifting arm lifts for a certain distance, the first stop convex tooth is pressed on the first microswitch, and the driving motor stops rotating; when the driven lifting arm falls for a certain distance, the second stop convex tooth is pressed on the second microswitch, and the driving motor stops rotating;
the fixing seat extends to form a mounting seat, a motor fixing sleeve extends from one side of the mounting seat, the mounting seat is provided with a abdicating through hole, and the output end of the driving motor penetrates through the abdicating through hole along the motor fixing sleeve and is fixedly connected with the driving cam;
a limiting rib extends from the other side of the mounting seat, and a limiting boss matched with the limiting rib extends from one end of the driven lifting arm; when the driven lifting arm lifts for a certain distance, the arm rod of the driven lifting arm abuts against one end of the limiting rib; when the driven lifting arm falls for a certain distance, the limiting boss abuts against the other end of the limiting rib;
the other end of driven lifting arm extends there is the trip, round brush seat connecting device includes round brush seat link and the lifting gyro wheel of being connected through roller shaft and round brush seat link, lifting gyro wheel hook is located the trip.
2. The sweeping robot rolling brush lifting mechanism of claim 1, wherein: the other side of mount pad has seted up the groove of stepping down, the groove of stepping down has seted up first screw hole, driving motor be provided with the second screw hole of first screw hole intercommunication, driving motor pass through the screw with the mount pad is connected.
3. The sweeping robot rolling brush lifting mechanism of claim 1, wherein: the one end of driven lifting arm seted up with initiative cam complex joint hole, the initiative cam passes through the joint hole with driven lifting arm joint.
4. The sweeping robot rolling brush lifting mechanism of claim 1, wherein: the driving motor is a miniature direct current speed reducing motor.
CN202210204814.1A 2022-03-03 2022-03-03 Rolling brush lifting mechanism of floor sweeping robot Active CN114451820B (en)

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Application Number Priority Date Filing Date Title
CN202210204814.1A CN114451820B (en) 2022-03-03 2022-03-03 Rolling brush lifting mechanism of floor sweeping robot

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Application Number Priority Date Filing Date Title
CN202210204814.1A CN114451820B (en) 2022-03-03 2022-03-03 Rolling brush lifting mechanism of floor sweeping robot

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CN114451820A CN114451820A (en) 2022-05-10
CN114451820B true CN114451820B (en) 2023-03-10

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101070035A (en) * 2006-05-08 2007-11-14 金草林 Butter-fly fluttering simulation bonsai
CN102019560A (en) * 2009-09-11 2011-04-20 昆山昆得精密电子科技有限公司 Lateral processing device
CN103542433A (en) * 2012-07-10 2014-01-29 乐金电子(天津)电器有限公司 Microwave oven turntable driving structure
CN205054041U (en) * 2015-08-28 2016-03-02 宁波德润堂智能科技有限公司 Can prevent secondary pollution's mopping machine
CN108835859A (en) * 2018-06-29 2018-11-20 南通市中吕齿轮有限公司 A kind of executing agency of barcode scanning lifting device
EP3900604A1 (en) * 2018-12-21 2021-10-27 Positec Power Tools (Suzhou) Co., Ltd Cleaning robot and control method therefor, and ground treatment system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101070035A (en) * 2006-05-08 2007-11-14 金草林 Butter-fly fluttering simulation bonsai
CN102019560A (en) * 2009-09-11 2011-04-20 昆山昆得精密电子科技有限公司 Lateral processing device
CN103542433A (en) * 2012-07-10 2014-01-29 乐金电子(天津)电器有限公司 Microwave oven turntable driving structure
CN205054041U (en) * 2015-08-28 2016-03-02 宁波德润堂智能科技有限公司 Can prevent secondary pollution's mopping machine
CN108835859A (en) * 2018-06-29 2018-11-20 南通市中吕齿轮有限公司 A kind of executing agency of barcode scanning lifting device
EP3900604A1 (en) * 2018-12-21 2021-10-27 Positec Power Tools (Suzhou) Co., Ltd Cleaning robot and control method therefor, and ground treatment system

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