CN215838724U - Supporting wheel device and cleaning robot - Google Patents

Supporting wheel device and cleaning robot Download PDF

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Publication number
CN215838724U
CN215838724U CN202120375461.2U CN202120375461U CN215838724U CN 215838724 U CN215838724 U CN 215838724U CN 202120375461 U CN202120375461 U CN 202120375461U CN 215838724 U CN215838724 U CN 215838724U
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China
Prior art keywords
mounting seat
mounting
cleaning robot
brush assembly
bristles
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CN202120375461.2U
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Chinese (zh)
Inventor
李小龙
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Guangzhou Shiyuan Electronics Thecnology Co Ltd
Guangzhou Shirui Electronics Co Ltd
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Guangzhou Shiyuan Electronics Thecnology Co Ltd
Guangzhou Shirui Electronics Co Ltd
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Abstract

The application discloses supporting wheel device and cleaning robot. Supporting wheel device is used for cleaning machines people, and the supporting wheel device includes: an edge brush assembly; the driving mechanism is connected with the side brush assembly, and the driving device is used for driving the side brush assembly to rotate; the universal wheel assembly is connected with the side brush assembly. The supporting wheel device is connected with the universal wheel component and the side brush component, so that the universal wheel component and the side brush component are integrated. The cleaning robot can be provided with two driving wheels and two supporting wheel devices, the two driving wheels and the two supporting wheel devices form a four-wheel structure, the stability of the whole robot can be greatly improved, and the robot is not easy to topple. In addition, because the universal wheel assembly and the side brush assembly are combined into an integral structure, the cleaning robot does not need to reserve a mounting space for the side brush assembly in addition during design, the four-wheel type design can be realized under the condition of not increasing the length of the body of the cleaning robot, and the cleaning robot can keep better flexibility.

Description

Supporting wheel device and cleaning robot
Technical Field
The application relates to the field of cleaning equipment, in particular to a supporting wheel device and a cleaning robot.
Background
In the related art, the cleaning robot mainly adopts a three-wheel structure, and it is common that the rear portion has two driving wheels, the middle position of the front portion has a universal wheel, and the three wheels are arranged in a triangular shape. The three-wheel type structure mode brings the hidden trouble that the stability of the whole machine is poor, and the cleaning robot can topple over when thrust is applied to a local position, so that accidents are easy to happen if the cleaning robot is applied to occasions with large people flow, such as airports, stations or markets.
Although the four-wheel structure can solve the problem of instability of the whole machine, the machine body of the whole machine needs to be lengthened in order to reserve enough arrangement space for the edge brush. And the lengthening of the body results in a significant increase in the turning radius, thereby adversely affecting the flexibility of the cleaning robot.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide a supporting wheel device and cleaning machines people, can increase the stability of complete machine, can not turn the radius simultaneously and show the increase. In order to achieve the purpose, the following technical scheme is adopted in the application:
according to an embodiment of a first aspect of the present application, there is provided a support wheel apparatus for a cleaning robot, the support wheel apparatus comprising:
an edge brush assembly;
the driving mechanism is connected with the side brush assembly, and the driving device is used for driving the side brush assembly to rotate;
and the universal wheel assembly is connected with the side brush assembly.
According to some embodiments, the edge brush assembly comprises:
the driving mechanism is connected with the first mounting seat so as to drive the first mounting seat to rotate;
a plurality of bristles, a plurality of said bristles are connected to said first mount in a circumferentially distributed manner.
According to some embodiments, the universal wheel assembly is connected with the first mounting seat, and the plurality of bristles are distributed on the periphery of the universal wheel assembly and are arranged close to the edge of the first mounting seat.
According to some embodiments, one end of each of the plurality of bristles is connected to the first mounting seat, and the other end of each of the plurality of bristles is spread toward the outer circumference of the first mounting seat, so that the plurality of bristles jointly form a bell-mouth-shaped structure.
According to some embodiments, the universal wheel assembly comprises:
the second mounting seat is fixedly connected with the first mounting seat;
the bracket is connected with the second mounting seat through a bearing;
a support wheel rotatably connected with the bracket.
According to some embodiments, the stent comprises:
the U-shaped connecting piece comprises a top plate and two side plates connected with the top plate, the side plates are perpendicular to the top plate, and the supporting wheels are installed between the two side plates;
the connecting column is arranged on the top plate and is used for being connected with the bearing.
According to some embodiments, the second mount is detachably connected with the first mount.
According to some embodiments, the driving mechanism is a motor, a shaft mounting part is arranged on one side of the first mounting seat, which is far away from the bristles, and a rotating shaft of the motor is connected with the shaft mounting part.
According to some embodiments, the shaft mounting portion is a disc-shaped structure, a mounting hole for accommodating the rotating shaft is arranged in the center of the disc-shaped structure, the axis of the mounting hole coincides with the central axis of the first mounting seat, and a threaded hole is arranged on the outer side of the disc-shaped structure and is communicated with the mounting hole.
According to an embodiment of a second aspect of the present application, there is provided a cleaning robot including:
a body;
the two driving wheels are arranged at the bottom of the machine body;
the supporting wheel device in any one of the two above embodiments is arranged at the bottom of the machine body.
According to the supporting wheel device and the cleaning robot provided by the embodiment of the application, the supporting wheel device is connected with the side brush assembly through the universal wheel assembly, so that the universal wheel assembly and the side brush assembly are integrated. Cleaning machines people can set up two drive wheels and two supporting wheel devices, and two drive wheels and two supporting wheel devices constitute four-wheel structure, like this, compare in the cleaning machines people who adopts the tricycle formula structure now, can promote the stability of complete machine by a wide margin, and difficult emergence is emptyd to reduce the probability because of empting and causing the incident. In addition, because the universal wheel assembly and the side brush assembly are combined together to form an integrated structure, the cleaning robot does not need to reserve a mounting space for the side brush assembly in addition during design, and therefore the four-wheel type design can be realized under the condition that the length of the body of the cleaning robot is not increased, and the cleaning robot can keep better flexibility.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a cleaning robot provided in an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a support wheel apparatus according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a supporting wheel device provided in an embodiment of the present application from another perspective;
FIG. 4 is an exploded view of a support wheel assembly according to an embodiment of the present disclosure;
fig. 5 is a schematic view of a connection relationship between a support wheel and a bracket according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application 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 present application and are not intended to limit the present application.
In the related art, the cleaning robot mainly adopts a three-wheel structure, and it is common that the rear portion has two driving wheels, the middle position of the front portion has a universal wheel, and the three wheels are arranged in a triangular shape. The three-wheel type structure mode brings the hidden trouble that the stability of the whole machine is poor, and the cleaning robot can topple over when thrust is applied to a local position, so that accidents are easy to happen if the cleaning robot is applied to occasions with large people flow, such as airports, stations or markets.
Although the four-wheel structure can solve the problem of instability of the whole machine, the machine body of the whole machine needs to be lengthened in order to reserve enough arrangement space for the edge brush. And the lengthening of the body results in a significant increase in the turning radius, thereby adversely affecting the flexibility of the cleaning robot.
As shown in fig. 1 and 2, in order to solve the above technical problems, a first aspect of the present invention provides a supporting wheel device 100 for a cleaning robot 10, the supporting wheel device 100 including an edge brush assembly 110, a driving mechanism 120, and a universal wheel assembly 130, the driving mechanism 120 being connected to the edge brush assembly 110, the driving mechanism being used to drive the edge brush assembly 110 to rotate, and the universal wheel assembly 130 being connected to the edge brush assembly 110, so that the universal wheel assembly 130 and the edge brush assembly 110 are combined into an integrated structure.
The supporting wheel device 100 according to the embodiment of the present application is configured to connect the universal wheel assembly 130 and the side brush assembly 110 to form a whole, and at the same time, the side brush assembly 110 is driven by the driving mechanism 120, that is, the side brush assembly 110 can be driven to rotate by the driving mechanism 120, so that the side brush assembly 110 can operate to perform a cleaning operation. The support wheel device 100 according to the embodiment of the present application is applicable to the cleaning robot 10, and is particularly suitable for the cleaning robot 10 using four wheels. Specifically, the cleaning robot 10 may be provided with two driving wheels and two supporting wheel devices 100, and the two driving wheels and the two supporting wheel devices 100 form a four-wheel structure, so that compared with the existing cleaning robot 10 adopting a three-wheel structure, the stability of the whole robot can be greatly improved, and the robot is not prone to toppling, thereby reducing the probability of safety accidents caused by toppling. In addition, since the universal wheel assembly 130 and the side brush assembly 110 are combined together to form an integrated structure, the cleaning robot 10 does not need to reserve an installation space for the side brush assembly separately during design, thereby realizing a four-wheel design without increasing the length of the body of the cleaning robot 10, and further keeping the cleaning robot 10 with good flexibility.
In some embodiments, the edge brush assembly 110 may include a first mounting seat 111 and a plurality of bristles 112, wherein the driving mechanism 120 is coupled to the first mounting seat 111 to drive the first mounting seat 111 to rotate, and the plurality of bristles 112 are coupled to the first mounting seat 111 in a circumferentially distributed manner. When the driving mechanism 120 works, the driving mechanism 120 drives the first mounting seat 111 to rotate, the first mounting seat 111 further drives the bristles 112 to rotate, and the bristles 112 can perform cleaning work in the rotating process. In addition, because the brush bristles 112 perform cleaning during rotation with the first mounting seat 111, that is, during the traveling of the cleaning robot 10, the side brush assembly 110 can sweep dirt such as dust and debris toward the position of the dust suction mechanism of the cleaning robot 10 by using the continuously rotating brush bristles 112, so as to collect the dirt through the dust suction mechanism, based on this working manner, the brush bristles 112 do not need to be fully distributed on the first mounting seat 111, and only the plurality of brush bristles 112 need to be connected to the first mounting seat 111 in a manner of being distributed along the circumferential direction, so that the brush bristles 112 form a circle, thereby achieving effective cleaning during rotation, reducing the number of brush bristles, and saving the production cost.
In some embodiments, the universal wheel assembly 130 is coupled to the first mounting base 111, and the plurality of bristles 112 are distributed around the periphery of the universal wheel assembly 130 and disposed near the edge of the first mounting base 111. In this embodiment, the universal wheel assembly 130 is connected to the first mounting seat 111, so that the universal wheel assembly 130 is assembled with the side brush assembly 110, and since the supporting wheel 133 in the universal wheel assembly 130 is freely rotatable, the supporting wheel 133 does not rotate with the first mounting seat 111 due to the friction force from the ground during the rotation of the first mounting seat 111 driven by the driving mechanism 120, thereby enabling the universal wheel assembly 130 and the side brush assembly 110 to operate independently without mutual influence. In addition, a plurality of bristles 112 are distributed on the periphery of the universal wheel assembly 130 and are arranged close to the edge of the first mounting seat 111, so that a sufficient mounting space is provided for the universal wheel assembly 130 on the first mounting seat 111, and meanwhile, the cleaning range of the bristles 112 is favorably expanded.
In some embodiments, one end of the plurality of bristles 112 is connected to the first mounting seat 111, and the other end of the plurality of bristles 112 is spread toward the outer circumference of the first mounting seat 111, so that the plurality of bristles 112 jointly form a bell-mouth-shaped structure, which is beneficial to further expanding the cleaning range of the bristles 112 and further improving the working efficiency of the cleaning robot 10.
In some embodiments, as shown in fig. 2 to 4, the universal wheel assembly 130 includes a second mounting seat 131, a bracket 132, and a supporting wheel 133, wherein the second mounting seat 131 is fixedly connected with the first mounting seat 111, the bracket 132 is connected with the second mounting seat 131 through a bearing 134, and the supporting wheel 133 is rotatably connected with the bracket 132. In this embodiment, the bracket 132 is used for mounting the supporting wheel 133, that is, the supporting wheel 133 is rotatably mounted on the supporting bracket 132, and at the same time, the bracket 132 is connected with the second mounting seat 131 through the bearing 134, so that the bracket 132 and the supporting wheel 133 can rotate freely relative to the second mounting seat 131. In addition, the second mounting seat 131 is a mounting base of the universal wheel assembly 130, and the assembly between the universal wheel assembly 130 and the side brush assembly 110 can be completed by connecting the second mounting seat 131 with the first mounting seat 111.
Further, second mounting seat 131 may be detachably coupled to first mounting seat 111, such that universal wheel assembly 130 and side brush assembly 110 are detachable from each other. If one of the universal wheel assembly 130 and the edge brush assembly 110 is damaged or fails, the two can be separated, so that only the damaged or failed part can be replaced, thereby being beneficial to reducing the maintenance cost.
Specifically, the second mounting seat 131 and the first mounting seat 111 may be connected by screws, snaps, or the like, so that the two are detachably connected.
In some embodiments, as shown in fig. 4 and 5, the bracket 132 includes a U-shaped connector 1321 and a connecting column 1322, the U-shaped connector 1321 includes a top plate 13211 and two side plates 13212 connected to the top plate 13211, the side plates 13212 are perpendicular to the top plate 13211, the supporting wheel 133 is installed between the two side plates 13212, the connecting column 1322 is disposed on the top plate 13211, and the connecting column 1322 is used for connecting with the bearing 134. In this embodiment, the bracket 131 includes a U-shaped connector 1321 and a connecting column 1322, the U-shaped connector 1321 can preferably support the supporting wheel 133, and the connecting column 1322 is connected to the second mounting seat 131 through the bearing 134, so that the supporting wheel 133 can rotate freely relative to the second mounting seat 131.
In some embodiments, the driving mechanism 120 is a motor, a shaft mounting portion 1111 is disposed on a side of the first mounting seat 111 facing away from the bristles 112, and a rotating shaft of the motor is connected to the shaft mounting portion 1111. When the motor is operated, the rotating shaft of the motor can drive the first mounting seat 111 to rotate, so as to provide driving force for the side brush assembly 110.
Further, the shaft mounting portion 1111 may be a disk structure, a mounting hole is provided at the center of the disk structure, an axis of the mounting hole coincides with a central axis of the first mounting seat 111, a screw hole 1112 is provided at an outer side of the disk structure, and the screw hole 1112 is communicated with the mounting hole. In this embodiment, the shaft mounting portion 1111 may be a disk structure, a mounting hole for receiving the rotation shaft of the motor is provided at the center of the disk structure, and a screw hole 1112 communicating with the mounting hole is provided at the outer side of the disk structure, whereby the rotation shaft of the motor may be connected with the shaft mounting portion 1111 by a screw fitted in the screw hole 1112. Specifically, when the screw is screwed into the threaded hole 1112, the end of the screw may abut against the rotating shaft located in the mounting hole, thereby fixing the rotating shaft to the shaft mounting portion 1111. This kind of connected mode not only can realize being connected between motor and the first mount pad 111, also makes simultaneously can dismantle between motor and the first mount pad 111, that is to say, as long as loosen the screw, can make motor and axle installation portion 1111 separate, and then realize the split between motor and the limit brush subassembly 110. If one of the motor and the side brush assembly 110 is damaged or malfunctions, the damaged or malfunctioning portion is replaced by separating the two, thereby contributing to reduction of maintenance costs.
Further, the number of the screw holes 1112 may be plural, and the plural screw holes 1112 are provided in an equiangularly spaced manner on the outer side of the disc structure. Thus, when the rotating shaft of the motor is connected with the shaft mounting portion 1111, the rotating shaft can be stressed in multiple directions (by pressure from screws), so that the stress of the rotating shaft can be uniform, thereby being beneficial to ensuring the coaxiality between the rotating shaft of the motor and the rotating shaft of the side brush assembly 110 and also being beneficial to prolonging the running stability of the motor and the side brush assembly 110.
A second aspect of the present application proposes a cleaning robot 10, the cleaning robot 10 including a body 200, two driving wheels 300, and two supporting wheel devices, wherein the supporting wheel devices are the supporting wheel devices 100 of any of the above embodiments, the driving wheels 300 are disposed at the bottom of the body 200, and the supporting wheel devices 100 are disposed at the bottom of the body 200.
The cleaning robot 10 of the embodiment of the present application, it sets up two drive wheels 300 and two supporting wheel devices 100 in the bottom of organism 200 to make cleaning robot 10 constitute four-wheel structure, like this, compare in the cleaning robot 10 of current adoption tricycle formula structure, can promote the stability of complete machine by a wide margin, difficult emergence is emptyd, thereby reduces the probability because of empting and causing the incident. In addition, the supporting wheel device 100 connects the universal wheel assembly 130 and the side brush assembly 110 to form a whole, and since the universal wheel assembly 130 and the side brush assembly 110 are combined together, the cleaning robot 10 does not need to reserve a space for installing the side brush assembly, thereby realizing a four-wheel design without increasing the length of the body of the cleaning robot 10, and further keeping the cleaning robot 10 with good flexibility.
It is understood that, in some embodiments, two support wheel devices 100 may be disposed at a position near the front side of the bottom of the machine body 200, and accordingly, two drive wheels 300 are disposed at a position near the rear side of the bottom of the machine body 200, in which case the cleaning robot 10 is driven in a rear-drive manner. In other embodiments, two driving wheels 300 are disposed at a position near the front side of the bottom of the machine body 200, and accordingly, two supporting wheel assemblies 100 may be disposed at a position near the rear side of the bottom of the machine body 200, in which case the cleaning robot 10 is driven in a front driving manner. In practical applications, the cleaning robot 10 may adopt a back-drive or front-drive driving manner as required.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present application, it is to be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the above terms may be understood by those skilled in the art according to specific situations.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A support wheel arrangement for a cleaning robot, the support wheel arrangement comprising:
an edge brush assembly;
the driving mechanism is connected with the side brush assembly, and the driving device is used for driving the side brush assembly to rotate;
and the universal wheel assembly is connected with the side brush assembly.
2. The support wheel apparatus of claim 1, wherein the edge brush assembly comprises:
the driving mechanism is connected with the first mounting seat so as to drive the first mounting seat to rotate;
a plurality of bristles, a plurality of said bristles are connected to said first mount in a circumferentially distributed manner.
3. The support wheel apparatus of claim 2, wherein the universal wheel assembly is coupled to the first mounting base, and a plurality of bristles are disposed around the periphery of the universal wheel assembly and adjacent to an edge of the first mounting base.
4. The support wheel device according to claim 3, wherein one end of the plurality of bristles is connected to the first mounting seat, and the other end of the plurality of bristles is spread toward the outer circumferential direction of the first mounting seat, so that the plurality of bristles jointly form a bell-mouth-shaped structure.
5. The support wheel apparatus of claim 3, wherein the universal wheel assembly comprises:
the second mounting seat is fixedly connected with the first mounting seat;
the bracket is connected with the second mounting seat through a bearing;
a support wheel rotatably connected with the bracket.
6. A support wheel arrangement according to claim 5, wherein the carriage comprises:
the U-shaped connecting piece comprises a top plate and two side plates connected with the top plate, the side plates are perpendicular to the top plate, and the supporting wheels are installed between the two side plates;
the connecting column is arranged on the top plate and is used for being connected with the bearing.
7. A support wheel arrangement according to claim 5, wherein the second mounting block is removably connected to the first mounting block.
8. The supporting wheel device as claimed in claim 2, wherein the driving mechanism is a motor, a shaft mounting part is arranged on one side of the first mounting seat, which faces away from the bristles, and a rotating shaft of the motor is connected with the shaft mounting part.
9. The support wheel apparatus according to claim 8, wherein the shaft mounting portion is a disk-shaped structure, a mounting hole for receiving the rotating shaft is provided at a center of the disk-shaped structure, an axis of the mounting hole coincides with a central axis of the first mounting seat, and a threaded hole is provided at an outer side of the disk-shaped structure, the threaded hole communicating with the mounting hole.
10. A cleaning robot, characterized by comprising:
a body;
the two driving wheels are arranged at the bottom of the machine body;
two support wheel arrangements according to any of claims 1-9, arranged at the bottom of the machine body.
CN202120375461.2U 2021-02-18 2021-02-18 Supporting wheel device and cleaning robot Active CN215838724U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120375461.2U CN215838724U (en) 2021-02-18 2021-02-18 Supporting wheel device and cleaning robot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120375461.2U CN215838724U (en) 2021-02-18 2021-02-18 Supporting wheel device and cleaning robot

Publications (1)

Publication Number Publication Date
CN215838724U true CN215838724U (en) 2022-02-18

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CN202120375461.2U Active CN215838724U (en) 2021-02-18 2021-02-18 Supporting wheel device and cleaning robot

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114424912A (en) * 2022-02-21 2022-05-03 上海高仙自动化科技发展有限公司 Cleaning robot
CN114617504A (en) * 2022-04-18 2022-06-14 微思机器人(深圳)有限公司 Side sweeping device and cleaning robot

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114424912A (en) * 2022-02-21 2022-05-03 上海高仙自动化科技发展有限公司 Cleaning robot
CN114424912B (en) * 2022-02-21 2023-08-29 上海高仙自动化科技发展有限公司 cleaning robot
CN114617504A (en) * 2022-04-18 2022-06-14 微思机器人(深圳)有限公司 Side sweeping device and cleaning robot
CN114617504B (en) * 2022-04-18 2023-09-01 微思机器人(深圳)有限公司 Side sweeping device and cleaning robot

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