CN214549293U - Cleaning robot and middle sweeping assembly thereof - Google Patents
Cleaning robot and middle sweeping assembly thereof Download PDFInfo
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- CN214549293U CN214549293U CN202023343133.9U CN202023343133U CN214549293U CN 214549293 U CN214549293 U CN 214549293U CN 202023343133 U CN202023343133 U CN 202023343133U CN 214549293 U CN214549293 U CN 214549293U
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Abstract
The utility model discloses a subassembly and cleaning machines people are swept in cleaning machines people, wherein, cleaning machines people's well subassembly of sweeping includes: rolling and brushing; the transmission structure comprises a gearbox and a transmission assembly, wherein the transmission assembly is arranged in the gearbox and is in transmission connection with the rolling brush; brushless motor, it includes bearing structure, stator, rotor and PCB board, and bearing structure is fixed in tooth case one side, and stator fixed connection bearing structure, rotor and stator rotate the assembly, and the rotor still is connected with the transmission of drive assembly, and PCB board fixed mounting is connected on bearing structure and with the stator electricity. The utility model discloses technical scheme utilizes brushless motor to replace and has brush motor for cleaning machines people sweep the subassembly volume littleer in, reach the effect that improves cleaning machines people's space utilization.
Description
Technical Field
The utility model relates to the technical field of household appliances, in particular to cleaning robot sweeps subassembly and cleaning robot in.
Background
The cleaning robot is one kind of intelligent household appliance, and can complete the dedusting, mopping and other work automatically in room with certain artificial intelligence. At present, cleaning robots are generally provided with a central sweeping assembly so as to sweep up dust, paper scraps and other sundries on the ground, thereby facilitating the sweeping of the cleaning robots.
The volume of the middle-sweeping component directly influences the volume of the cleaning robot or the volume of other parts in the cleaning robot, and how to reduce the volume of the middle-sweeping component and further improve the cruising ability of the cleaning robot is a problem which needs to be solved urgently by the cleaning robot at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cleaning machines people sweeps subassembly in, aims at reducing cleaning machines people's the volume of sweeping the subassembly.
In order to achieve the above object, the utility model provides a cleaning robot sweeps subassembly in, it includes: rolling and brushing; the transmission structure comprises a gearbox and a transmission assembly, and the transmission assembly is arranged in the gearbox and is in transmission connection with the rolling brush; brushless motor, it includes bearing structure, stator, rotor and PCB board, bearing structure is fixed in tooth case one side, stator fixed connection bearing structure, the rotor with the stator rotates the assembly, the rotor still with the transmission assembly transmission is connected, PCB board fixed mounting in bearing structure go up and with the stator electricity is connected.
In an embodiment of the present invention, the supporting structure is a cylindrical structure, the supporting structure one end is connected to the gear box, the supporting structure is away from the gear box one end forms the first opening end, the stator is connected to the rotor, the rotor is contained in the inner cavity of the supporting structure, the PCB board is connected to the supporting structure and covers the first opening end of the supporting structure.
In an embodiment of the invention, the support structure is close to the gearbox end forming a second open end, the gearbox being fixedly connected and closing the second open end.
In an embodiment of the present invention, the tooth box is provided with a through hole communicating with the second open end of the supporting structure; the rotor is in clearance fit with the through hole and partially extends into the gearbox.
In an embodiment of the present invention, the supporting structure and the tooth box are integrally formed.
In an embodiment of the present invention, the supporting structure includes a plurality of supporting columns, the supporting columns and the tooth box are integrally formed, the supporting columns are arranged along an annular space on one side of the tooth box, and the PCB is fixed to the supporting columns to be away from the end of the tooth box.
In an embodiment of the utility model, the PCB board is fixed in bearing structure deviates from tooth case one side, stator fixed mounting in on the PCB board, the rotor is including rotating main part and pivot, pivot fixed connection rotate the main part and pass rotate the main part setting, the one end of pivot with the PCB board rotates to be connected, in order to incite somebody to action rotate the main part with the stator rotates the assembly, the other end of pivot with the transmission assembly transmission is connected.
In an embodiment of the present invention, the brushless motor further includes a reinforcing plate, the reinforcing plate and the PCB plate face away from the supporting structure, and the reinforcing plate is fixedly connected to the supporting structure.
In an embodiment of the present invention, the brushless motor further includes a bearing, one end of the bearing passes through the PCB and is fixedly connected to the reinforcing plate, the other end of the bearing extends in a direction away from the PCB, and the rotating shaft is adjacent to one end of the PCB and is rotatably fitted to the bearing.
In an embodiment of the present invention, the transmission assembly includes an output shaft connected to the rolling brush in a transmission manner, and the output shaft is parallel to the rotation axis of the rotor.
In an embodiment of the present invention, the transmission assembly further includes an input gear, at least one transmission gear and an output gear rotatably installed in the gear box, the input gear is fixedly connected to the rotor, the output gear is fixedly connected to the output shaft, and at least one of the transmission gear is engaged with the input gear and the output gear respectively.
In an embodiment of the present invention, the transmission assembly further includes a first belt wheel, a synchronous belt and a second belt wheel rotatably installed in the gear box, the first belt wheel is fixedly connected to the rotor, the second belt wheel is fixedly connected to the output shaft, and the synchronous belt is respectively matched with the first belt wheel and the second belt wheel.
The utility model also provides a cleaning robot, which comprises a robot main body and a middle sweeping component of the cleaning robot, wherein the middle sweeping component of the cleaning robot comprises a rolling brush; the transmission structure comprises a gearbox and a transmission assembly, and the transmission assembly is arranged in the gearbox and is in transmission connection with the rolling brush; brushless motor, it includes bearing structure, stator, rotor and PCB board, bearing structure is fixed in tooth case one side, stator fixed connection bearing structure, the rotor with the stator rotates the assembly, the rotor still with the transmission assembly transmission is connected, PCB board fixed mounting in bearing structure go up and with the stator electricity is connected, cleaning machines people sweep the unit mount in the bottom of robot main part.
The technical proposal of the utility model adopts the brushless motor to replace the traditional brush motor, effectively reduces the volume of the middle sweeping component of the cleaning robot, and reserves more positions for the arrangement of the dust box; furthermore, the utility model discloses technical scheme's brushless motor still is equipped with bearing structure, effectively prevents external interference to the normal work of brushless motor for brushless motor's life-span is longer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a middle sweeping assembly of a cleaning robot according to the present invention;
FIG. 2 is a schematic structural view of another embodiment of a middle sweeping assembly of the cleaning robot of the present invention;
the reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, it should be considered that the combination of the technical solutions does not exist, and is not within the protection scope of the present invention.
The utility model provides a cleaning robot, it includes robot main part and cleaning robot sweeps subassembly 100 in. The cleaning robot comprises a cleaning robot body and a cleaning robot body, wherein the cleaning robot body comprises a shell, driving wheels, universal wheels, a driving motor, a dust collecting box, a suction device and the like, the two driving wheels are respectively arranged on the left side and the right side of the shell, the universal wheels are arranged on the front portion or the tail portion of the shell, the driving motor is used for driving the two driving wheels to rotate, the shell is provided with a dust inlet, the dust collecting box is arranged in the shell and communicated with the dust inlet, the suction device is arranged on the shell and used for driving air to flow, so that dust, paper scraps and the like can be sucked into the dust collecting box from the dust inlet, and a middle sweeping assembly 100 of the cleaning robot is arranged at the bottom of the robot body and sweeps up the dust, the paper scraps and other impurities so as to be sucked into the dust collecting box through the dust inlet.
Referring to fig. 1 and 2, the middle sweeping assembly 100 of the cleaning robot includes a rolling brush 10, a transmission structure 20, and a brushless motor 30.
The rolling brush 10 is rotatably connected with the housing and is rotated in a direction close to or far away from the dust inlet under the action of the transmission structure 20 so as to sweep up impurities such as dust, paper scraps and the like, thereby achieving the effect of facilitating the suction of the impurities such as the dust, the paper scraps and the like from the dust inlet. Preferably. The roll brush 10 is provided in a long cylindrical shape. The rolling brush 10 includes a roller and brush bristles, the brush bristles may be disposed to extend along an axial direction of the roller, or may be disposed on the roller in a V shape, which is not illustrated herein.
The transmission structure 20 is mounted on the housing and includes a gear box 21 and a transmission assembly 22. The transmission assembly 22 is installed in the gear box 21 and is in transmission connection with the roller brush 10, and the transmission assembly 22 may be of various types, and may be composed of a plurality of gears, a plurality of belt wheels and a conveyor belt, as long as the function of transmission connection between the brushless motor 30 and the roller brush 10 can be realized, which is not limited herein.
It should be noted that, in the case of ensuring that the stator 32 is electrically connected to the PCB 34, the stator 32 may be directly fixed on the PCB 34, and the stator 32 may also be fixed in the supporting structure 31 and electrically connected to the PCB 34 through a wire, which is not limited herein.
The supporting structure 31 has various structures, which may be a structure capable of completely covering the PCB 34, the stator 32 and the rotor 33, and the connection manner of the PCB 34 and the supporting structure 31 may be an abutting connection, a clamping connection, or the like; the structure of the supporting structure 31 may also be a structure with one end open, and at this time, the PCB 34 may cover the supporting structure 31 or be installed inside the supporting structure 31 by welding, bolting, etc.; the structure of the supporting structure 31 may also be a structure with a plurality of openings, and at this time, the PCB 34 may also be covered by the supporting structure 31 or installed inside the supporting structure 31 by welding, bolting, and the like, which is not described herein again.
When the rolling brush 10 needs to rotate, the stator 32 electrically connected with the PCB 34 is controlled by the PCB to start working, the stator 32 drives the rotor 33 matched with the stator to rotate, the rotor 33 continues to drive the transmission component 22 connected with the transmission component to rotate, and then the rolling brush 10 connected with the transmission component 22 in a transmission way is driven to rotate, compared with the traditional structure that the rolling brush 10 is driven by a brush motor, the technical scheme of the utility model is provided with the brushless motor 30 with smaller volume and lower loss, so that the volume of the middle sweeping component 100 of the cleaning robot is reduced, and the effect of saving the installation space in the cleaning robot is achieved; furthermore, the utility model discloses technical scheme's brushless motor 30 still is equipped with bearing structure 31, effectively prevents external interference to brushless motor 30 for brushless motor 30's life is longer.
In some embodiments of the present invention, please refer to fig. 1, the supporting structure 31 is in a cylindrical shape, one end of the supporting structure 31 is fixedly connected to the gear box 21, the supporting structure 31 is connected to the gear box 21 in a plurality of ways, for example, an installation block is convexly disposed at a position of the gear box 21 close to the supporting structure 31, an accommodation groove is concavely disposed on the installation block, and the supporting structure 31 is disposed in the accommodation groove and abutted to the accommodation groove; for another example, the gearbox 21 is provided with a plurality of hanging rings, the supporting structure 31 is provided with a hook matched with the hanging rings, and the supporting structure 31 is hung on the gearbox 21 through the hook and the hanging rings, which are not listed in this case. The end of the supporting structure 31 far away from the tooth box 21 forms a first open end 311, the stator 32 and the rotor 33 are both accommodated in the inner cavity of the supporting structure 31, and the PCB 34 is fixedly connected with the supporting structure 31 and covers the first open end 311 of the supporting structure 31. So configured, the PCB 34 is exposed from the support structure 31 to facilitate the installation of wires to the PCB 34.
It should be noted that, in order to ensure that the rotor 33 can be connected with the transmission assembly 22 in a transmission manner, the supporting structure 31 and the gearbox 21 are both provided with a yielding hole for connecting the output shaft 221 of the rotor 33 with the transmission assembly 22.
In other embodiments of the present invention, referring to fig. 2, the end of the support structure 31 adjacent to the dental box 21 forms a second open end 312, and the dental box 21 is fixedly connected to and covers the second open end 312. With the arrangement, the supporting structure 31 is covered by the tooth box 21, so that the area and the weight of the covered part of the supporting structure 31 are saved, and the volume and the weight of the middle sweeping assembly 100 of the cleaning robot are reduced.
It should be noted that, in this case, the supporting structure 31 and the gearbox 21 are separately provided, and the supporting structure 31 and the gearbox 21 are connected in many ways, which may be a bolt connection, a screw connection, etc., and this is not necessarily taken as an example.
Further, the dental box 21 is provided with a through hole 211 communicating with the second open end 312 of the support structure 31; the rotor 33 is in clearance fit with the through hole 211 and partially extends into the gearbox 21. So set up, not only reduced the material of tooth case 21, stretched into tooth case 21 with rotor 33 and can also reduce cleaning machines people's well whole thickness of sweeping subassembly 100, increase space utilization.
In an embodiment of the present invention, please refer to fig. 2, the supporting structure 31 is integrally formed with the gear box 21. Compare in bearing structure 31 and tooth case 21 components of a whole that can function independently form, bearing structure 31 makes the production processes simpler with tooth case 21 integrated into one piece to guaranteed that seamless between bearing structure 31 and the tooth case 21, avoided debris such as dust, wastepaper to get into from the junction of bearing structure 31 and tooth case 21, reduced brushless motor 30 and normally worked or transmission assembly 22 and normally worked the probability that receives the influence.
Specifically, in an embodiment of the present invention, referring to fig. 2, the supporting structure 31 includes a plurality of supporting pillars 35, the supporting pillars 35 are integrally formed with the gear box 21, the supporting pillars 35 are arranged at one side of the gear box 21 along an annular interval, and the PCB 34 is fixed to an end portion of the supporting pillars 35 away from the gear box 21. Of course, the support structure 31 may be formed by surrounding a continuous plate, or by surrounding a plurality of arc-shaped plates, which are not limited to the above. Preferably, the supporting structure 31 is a structure including a plurality of supporting pillars 35, so that not only the material consumption of the supporting structure 31 is reduced, and the weight of the supporting structure 31 is reduced, but also the heat dissipation of the stator 32, the rotor 33, the PCB 34 and other elements in the supporting structure 31 is more convenient.
In an embodiment of the present invention, please refer to fig. 1 and 2, the PCB 34 is fixed on one side of the supporting structure 31 departing from the gearbox 21, the stator 32 is fixedly mounted on the PCB 34, the rotor 33 includes a rotating body 331 and a rotating shaft 332, the rotating shaft 332 is fixedly connected to the rotating body 331 and passes through the rotating body 331, one end of the rotating shaft 332 is rotatably connected to the PCB 34 to rotatably assemble the rotating body 331 and the stator 32, and the other end of the rotating shaft 332 is in transmission connection with the transmission assembly 22. Compared with the mode that the stator 32 and the rotor 33 are both mounted on the supporting structure 31 and the stator 32 and the PCB 34 are electrically connected through wires, the arrangement makes the connection between the stator 32 and the PCB 34 more convenient and simpler.
Further, referring to fig. 2, the brushless motor 30 further includes a reinforcing plate 40, the reinforcing plate 40 abuts against the surface of the PCB 34 opposite to the housing, and the reinforcing plate 40 is further fixedly connected to the supporting structure 31 through a connecting member 50. The reinforcing plate 40 fixedly connected with the supporting structure 31 is arranged, so that the supporting of the PCB 34 is increased, the stress bending probability of the PCB 34 is reduced, and the service life of the PCB 34 is prolonged.
The connecting member 50 can be of various types, and can be a screw or a magnetic member, which are not necessarily listed here.
The reinforcing plate 40 may be provided with a wire passing hole penetrating in the thickness direction thereof. Of course, the supporting structure 31 may be provided with a wire hole along the thickness direction, and the PCB 34 may be partially exposed from the reinforcing plate 40 or the supporting structure 31, so as to achieve the effect of facilitating the connection between the PCB 34 and the power supply.
Further, referring to fig. 2, the brushless motor 30 further includes a bearing 60, one end of the bearing 60 penetrates through the PCB 34 and is fixedly connected to the reinforcing plate 40, the other end of the bearing 60 extends in a direction away from the PCB 34, and one end of the rotating shaft 332 adjacent to the PCB 34 is rotatably engaged with the bearing 60. The rotor 33 is rotatably connected to the PCB 34 through the bearing 60, so that the rotor 33 is more firmly rotatably connected to the PCB 34.
The transmission assembly 22 includes an output shaft 221 drivingly connected to the roller brush 10, and the output shaft 221 is in a variety of positional relationships with the rotational axis of the rotor 33.
In some embodiments of the present invention, the output shaft 221 and the rotation axis of the rotor 33 are disposed at an angle, and at this time, the transmission assembly 22 may be formed by a plurality of helical gears, straight gears, etc. or by a plurality of bevel gears, straight gears, etc. and not only is it not limited to one.
In other embodiments of the present invention, referring to fig. 1 and 2, the output shaft 221 is disposed parallel to the rotation axis of the rotor 33.
In particular, the structure of the drive assembly 22 can vary. The transmission assembly 22 may include an input gear 222 rotatably installed in the gearbox 21, at least one transmission gear 223 and an output gear 224, the input gear 222 is fixedly connected with the rotor 33, the output gear 224 is fixedly connected with the output shaft 221, and the at least one transmission gear 223 is respectively engaged with the input gear 222 and the output gear 224; the transmission assembly 22 may further include a first pulley 225, a timing belt 226 and a second pulley 227 rotatably installed in the gearbox 21, the first pulley 225 is fixedly connected to the rotor 33, the second pulley 227 is fixedly connected to the output shaft 221, and the timing belt 226 is respectively engaged with the first pulley 225 and the second pulley 227.
Of course, there are many configurations of the transmission assembly 22, and these are not intended to be exhaustive.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (13)
1. A mid-broom assembly of a cleaning robot, comprising:
rolling and brushing;
the transmission structure comprises a gearbox and a transmission assembly, and the transmission assembly is arranged in the gearbox and is in transmission connection with the rolling brush;
brushless motor, it includes bearing structure, stator, rotor and PCB board, bearing structure is fixed in tooth case one side, stator fixed connection bearing structure, the rotor with the stator rotates the assembly, the rotor still with the transmission assembly transmission is connected, PCB board fixed mounting in bearing structure go up and with the stator electricity is connected.
2. The cleaning robot broom assembly of claim 1, wherein the support structure is tubular in shape, one end of the support structure is fixedly coupled to the gearbox, an end of the support structure remote from the gearbox defines a first open end, the stator and the rotor are both received in an inner cavity of the support structure, and the PCB board is fixedly coupled to the support structure and covers the first open end of the support structure.
3. A cleaning robot broom assembly according to claim 2, wherein the support structure defines a second open end adjacent one end of the dental box, the dental box being fixedly attached to and covering the second open end.
4. A mid-scan assembly of a cleaning robot as recited in claim 3, wherein said dental box is provided with a through-hole therethrough in communication with said second open end of said support structure; the rotor is in clearance fit with the through hole and partially extends into the gearbox.
5. The cleaning robot midspan assembly of claim 1, wherein the support structure is integrally formed with the dental box.
6. The cleaning robot of claim 5, wherein the support structure includes a plurality of support posts integrally formed with the tooth box, the plurality of support posts being arranged in an annular spaced arrangement on a side of the tooth box, the PCB being secured to an end of the plurality of support posts remote from the tooth box.
7. The middle-sweeping component of a cleaning robot according to claim 1, wherein the PCB is fixed to a side of the supporting structure facing away from the tooth box, the stator is fixedly mounted on the PCB, the rotor includes a rotating body and a rotating shaft, the rotating shaft is fixedly connected to the rotating body and passes through the rotating body, one end of the rotating shaft is rotatably connected to the PCB to rotatably assemble the rotating body and the stator, and the other end of the rotating shaft is in transmission connection with the transmission component.
8. The cleaning robot of claim 7, wherein the brushless motor further comprises a stiffener plate, the stiffener plate abuts a surface of the PCB plate facing away from the support structure, and the stiffener plate is fixedly attached to the support structure.
9. The cleaning robot of claim 8, wherein the brushless motor further comprises a bearing, one end of the bearing passes through the PCB and is fixedly connected to the reinforcing plate, the other end of the bearing extends away from the PCB, and one end of the shaft adjacent to the PCB is rotatably engaged with the bearing.
10. The cleaning robot of claim 1, wherein the transmission assembly includes an output shaft drivingly connected to the roller brush, the output shaft being disposed parallel to the axis of rotation of the rotor.
11. The cleaning robot of claim 10, wherein the drive assembly further comprises an input gear rotatably mounted in the gearbox, at least one drive gear fixedly coupled to the rotor, and an output gear fixedly coupled to the output shaft, at least one of the drive gears being engaged with the input gear and the output gear, respectively.
12. The cleaning robot of claim 10, wherein the transmission assembly further comprises a first pulley rotatably mounted in the gearbox, a timing belt, and a second pulley, the first pulley being fixedly connected to the rotor, the second pulley being fixedly connected to the output shaft, and the timing belt being engaged with the first pulley and the second pulley, respectively.
13. A cleaning robot comprising a robot main body and a middle broom assembly of the cleaning robot as claimed in any one of claims 1 to 12, the middle broom assembly of the cleaning robot being mounted to a bottom of the robot main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023343133.9U CN214549293U (en) | 2020-12-31 | 2020-12-31 | Cleaning robot and middle sweeping assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023343133.9U CN214549293U (en) | 2020-12-31 | 2020-12-31 | Cleaning robot and middle sweeping assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214549293U true CN214549293U (en) | 2021-11-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023343133.9U Active CN214549293U (en) | 2020-12-31 | 2020-12-31 | Cleaning robot and middle sweeping assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214549293U (en) |
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2020
- 2020-12-31 CN CN202023343133.9U patent/CN214549293U/en active Active
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Address after: 518110 1701, building 2, Yinxing Zhijie, No. 1301-72, sightseeing Road, Xinlan community, Guanlan street, Longhua District, Shenzhen, Guangdong Province Patentee after: Shenzhen Yinxing Intelligent Group Co.,Ltd. Address before: 518110 Building A1, Yinxing Hi-tech Industrial Park, Guanlan Street Sightseeing Road, Longhua District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Silver Star Intelligent Technology Co.,Ltd. |
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