CN218009557U

CN218009557U - Multifunctional floor sweeping robot and robot system

Info

Publication number: CN218009557U
Application number: CN202221778961.1U
Authority: CN
Inventors: 翁宗祥; 田晶; 张鉴隆; 曾文伟; 詹春美; 胡玉玲; 何忠阳
Original assignee: Guangdong Lingnan Institute of Technology
Current assignee: Guangdong Lingnan Institute of Technology
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-12-13
Anticipated expiration: 2032-07-11

Abstract

The utility model relates to a multifunctional floor sweeping robot, which comprises a shell, wherein a mode switching mechanism, a side brush for driving rotation and a tray are arranged on the shell; the side brush and the tray are coaxially arranged and are respectively connected to the shell in an up-and-down sliding manner; the tray is provided with a through hole for the side brush to pass through up and down; the sweeping robot has a sweeping mode and a mopping mode; the mode switching mechanism is respectively connected with the side brush and the tray and used for driving the side brush and the tray to move in different directions so as to switch a sweeping mode and a mopping mode of the sweeping robot; when the floor mopping mode is switched to the floor sweeping mode, the side brush penetrates through the through hole of the tray from top to bottom; when the floor sweeping mode is switched to the floor mopping mode, the side brush penetrates through the tray through hole from bottom to top. After the tray upwards promotes, have great distance between with ground, can not blocked by the step, the robot of sweeping the floor can pass through the step smoothly, can be competent in comparatively complicated clean scene. The utility model discloses still relate to a robot system of sweeping floor.

Description

Multifunctional floor sweeping robot and robot system

Technical Field

The utility model belongs to the technical field of cleaning device, concretely relates to multi-functional robot and the robot system of sweeping floor.

Background

The floor sweeping robot is one kind of intelligent household appliances, and can automatically finish floor cleaning work in a room by means of certain artificial intelligence.

The sweeping robot in the prior art generally comprises a walking device, a radar device, a sweeping device, a mopping device and the like. The sweeping robot is mainly of a disc type. The power supply is carried out by using a rechargeable battery, and the control can be carried out through a remote controller or an operation panel on the machine. Generally, the time can be set for scheduled cleaning and self-charging. The place ahead is provided with the inductor, can detect the barrier, can turn by oneself if touch wall or other barriers, walks repeatedly in the room, carries out along the limit to clean, concentrates to clean, cleans at random and straight line cleans route such as clean to assist and sweep the cloth with limit brush, central authorities' round brush rotation and rag, switch and sweep the floor and wipe the ground mode in order to strengthen the effect of cleaning, accomplish the clean effect of anthropomorphic house.

The sweeping robot in the prior art has the following technical problems: the tray of the sweeping robot is easily clamped by the steps, so that the floor cannot smoothly pass through the steps, and the floor is difficult to be competent in complex cleaning scenes.

SUMMERY OF THE UTILITY MODEL

To the technical problem who exists among the prior art, one of the purposes of the utility model is: the utility model provides a multi-functional robot of sweeping floor, the tray can not blocked by the step, can pass through the step smoothly, can be competent in complicated clean scene.

To the technical problem who exists among the prior art, the utility model discloses a second of the purpose: provided is a floor sweeping robot system having a station capable of maintaining a floor sweeping robot capable of smoothly passing through a step.

The utility model discloses the purpose realizes through following technical scheme:

a multifunctional sweeping robot comprises a shell, wherein a mode switching mechanism, a side brush for driving rotation and a tray are arranged on the shell;

the side brush and the tray are coaxially arranged and are respectively connected to the shell in an up-and-down sliding manner;

the tray is provided with a through hole for the side brush to pass through up and down;

the sweeping robot has a sweeping mode and a mopping mode;

the mode switching mechanism is respectively connected with the side brush and the tray and used for driving the side brush and the tray to move in different directions so as to switch a sweeping mode and a mopping mode of the sweeping robot;

when the floor mopping mode is switched to the floor sweeping mode, the side brush penetrates through the through hole of the tray from top to bottom; when the floor sweeping mode is switched to the floor mopping mode, the side brush penetrates through the through hole of the mopping disc from bottom to top.

Furthermore, an arch part is arranged in the middle of the tray, the arch part is connected to the shell in a vertical sliding mode, and the side brush is arranged below the arch part.

Further, the shell is connected with a straight gear which drives the shell to rotate in a sliding mode, the straight gear is vertically arranged, the side brush is fixedly connected with the straight gear, a tray gear is arranged on the tray arching portion and is in meshing transmission with the straight gear and slides up and down on the straight gear, and the mode switching mechanism is connected to the tray arching portion and the straight gear respectively.

Further, the mode switching mechanism comprises a pressing piece, a spring, a movable bracket and a pushing rod for driving rotation;

the upper end of the arched part of the tray is provided with an annular pressure groove, and the lower pressing piece is abutted against the annular pressure groove;

the push rod comprises an upper push rod and a lower push rod which are connected with each other;

the top of the lower pressing piece is provided with an upper chute, and the upper pushing rod penetrates through the upper chute;

the straight gear is fixedly connected with a flange, and the movable bracket is arranged between the flange and the lower pressing piece;

the movable bracket is provided with a lower chute, and the lower push rod penetrates through the lower chute;

two ends of the spring are respectively connected with the bottom end of the arched part of the tray and the top of the side brush in an abutting mode.

Further, the upper chute and the lower chute are parallel to each other.

Furthermore, the annular pressure groove is provided with a water leakage hole, the lower pressing piece is provided with a water drainage hole which penetrates through the upper part and the lower part, and the top of the water drainage hole is provided with a water pipe connector.

Further, a front wheel steering mechanism is arranged at the front part of the shell.

Furthermore, a rolling brush is arranged in the middle of the shell, and the rolling brush and the side brush are provided with an overlapped working area.

Furthermore, the shell is provided with a fan, and the rear part of the shell is provided with an air outlet.

A multifunctional sweeping robot system comprises a machine station and a multifunctional sweeping robot, wherein the machine station is provided with a charging device, a cleaning device and a water adding device;

the charging device is used for charging the multifunctional sweeping robot;

the cleaning device is used for cleaning the tray for the multifunctional sweeping robot;

the water adding device is used for adding water to the multifunctional sweeping robot.

Compared with the prior art, the utility model discloses following beneficial effect has:

after the tray is lifted upwards, a large distance is reserved between the tray and the ground, when the sweeping robot meets a step, the tray cannot be clamped by the step, and the side brush can climb up the step in the rotating process; the tray and the side brush can be controlled to be at the same height, so that the sweeping robot can smoothly pass through steps and can be competent for complex cleaning scenes.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the sweeping robot (after the top cover is removed).

Fig. 2 is a schematic structural view of the internal parts of the sweeping robot of the present invention.

Fig. 3 is a schematic perspective view of the mode switching mechanism of the present invention.

Fig. 4 is a schematic perspective view of the tray and the pressing rod of the present invention.

Fig. 5 is a schematic perspective view of a spur gear and an edge brush according to the present invention.

Fig. 6 is a schematic view of the overall structure of the sweeping robot of the present invention.

Fig. 7 is a schematic view of the overall structure of the station of the present invention.

Fig. 8 is an exploded view of the station of the present invention.

The figure numbers are as follows:

11-bottom shell, 111-air outlet, 12-top cover, 13-ultrasonic ranging sensor, 14-pan-tilt and laser radar navigation;

21-a rolling brush motor, 22-a rolling brush, 23-a water supply tank, 24-a peristaltic pump, 25-a walking motor, 26-a walking wheel, 27-a dust suction fan, 28-a control circuit board, 291-a front wheel and 292-a worm;

31-sweeping motor, 32-main gear, 33-spur gear, 331-flange, 34-tray gear, 35-spring;

41-tray, 411-tray through hole, 412-arch part, 413-annular pressure groove, 4131-water leakage hole, 414-upper chute and 42-side brush;

51-mode switching motor, 52-bevel gear set;

61-an upper pushing rod, 62-a lower pushing rod, 63-a semi-annular piece, 64-a pressing rod and 65-a water pipe joint;

71-movable support, 711-lower chute;

81-station shell, 82-humidifier water tank, 83-water purifier, 831-water injection pipe, 832-garbage recovery pipe, 84-evaporative humidifier, 85-station circuit board, 86-slope board and 87-point-shaped protrusion.

Detailed Description

The present invention is described in further detail below.

As shown in fig. 1, 2 and 6, the multifunctional sweeping robot comprises a shell composed of a bottom shell 11 and a top cover 12, and various functional mechanisms arranged on the shell, has a sweeping mode and a mopping mode, and can be used for cleaning the ground in a complex scene.

The middle of the front part of the shell is provided with a front wheel 291 steering mechanism and a visual navigation mechanism which are driven by a worm gear 292.

The front wheel 291 steering mechanism is used for adjusting the advancing direction of the sweeping robot and increasing the steering flexibility. The visual navigation comprises three ultrasonic ranging sensors 13 for detecting whether obstacles exist on the traveling route of the sweeping robot and correspondingly adjusting the traveling route.

The two sides of the front part of the shell are respectively provided with a sweeping and mopping mechanism and a mode switching mechanism.

The sweeping mechanism includes a sweeping motor 31, a main gear 32, an edge brush 42, and a tray 41.

As shown in fig. 5, in the present embodiment, the side brush 42 includes three radially arranged brush strips, a straight gear 33 is vertically arranged at the center of the side brush 42, and the side brush 42 is fixedly connected to the lower end of the straight gear 33.

The upper end of the spur gear 33 is provided with a cylindrical section, and the bottom shell 11 is connected to the cylindrical section in a sliding manner through a bearing, so that the spur gear 33 can slide up and down relative to the bottom shell 11.

As shown in fig. 4, the tray 41 is provided with tray through holes 411 matching with the three brush bars, and the brush bars can pass through the tray through holes 411 up and down. The central portion of the tray 41 is provided with an upwardly protruding arch 412. The arch part 412 is provided with a cavity, the side brush 42 is arranged below the arch part 412, and the center of the side brush 42 can enter the cavity after being lifted upwards.

The center of the arch part 412 is provided with a tray gear 34 which is in meshing transmission with the straight gear 33, and the arch part 412 of the tray 41 can slide up and down along the straight gear 33.

The sweeping motor 31 is fixed to the bottom housing 11, and drives the main gear 32 to rotate, and the main gear 32 drives the spur gear 33 to rotate, so as to drive the tray 41 and the side brush 42 to rotate.

As shown in fig. 2, 3 and 5, the mode switching mechanism is respectively connected to the side brush 42 and the tray 41, and is configured to drive the side brush 42 and the tray 41 to move in opposite directions to switch between the sweeping mode and the mopping mode of the sweeping robot, and includes a mode switching motor 51, a bevel gear set 52, a push rod, a movable bracket 71, a pressing member and a spring 35.

The mode switching motor 51 is fixedly connected to the bottom case 11 and is used for driving the bevel gear set 52 to rotate. The bevel gear set 52 is connected to the pushing rod for driving the pushing rod to rotate.

The push bar includes an upper push bar 61 and a lower push bar 62 connected to each other, and the rotational axes of the upper push bar 61 and the lower push bar 62 are both located on the push bar central axis. Preferably, the upper push bar 61 and the lower push bar 62 are parallel to each other and integrally formed.

As shown in fig. 4, the lower press member includes a half ring member 63 and a press rod 64 penetrating the half ring member 63. Semi-annular member 63 is disposed annularly outside spur gear 33. The presser bar 64 is vertically slidably connected to the housing and fixedly connected to the semi-annular member 63.

The top end of the arched part 412 of the tray 41 is provided with an annular pressing groove 413 matched with the pressing rod 64, and the lower end of the pressing rod 64 is abutted against the annular pressing groove 413; the top of the semi-annular member 63 is provided with a horizontal elongated upper sliding groove 414, and the upper pushing rod 61 is arranged through the upper sliding groove 414.

The movable bracket 71 is arranged between the arched part 412 of the tray 41 and the bevel gear set 52.

The upper end of the straight gear 33 is fixedly connected with a flange 331, the upper end of the movable bracket 71 is horizontally embedded between the flange 331 and the semi-annular member 63, the lower end of the movable bracket 71 is provided with a horizontal long strip-shaped lower sliding groove 711, and the lower push rod 62 penetrates through the lower sliding groove 711.

The spring 35 is disposed in the cavity of the arch 412, and both ends thereof respectively abut against the bottom end of the arch 412 of the tray 41 and the top of the side brush 42.

Specifically, when the floor sweeping mode is switched to the floor mopping mode, the mode switching motor 51 drives the bevel gear set 52 to rotate, so as to drive the push rod to rotate. When the push-up lever 61 rotates, the push-up lever slides in the upper sliding groove 414, so as to drive the semi-annular member 63 and the pressing rod 64 to move downwards, and the pressing rod 64 presses the annular pressing groove 413 downwards, so as to drive the tray 41 to move downwards along the spur gear 33 against the elastic force of the spring 35. Meanwhile, when the lower pushing rod 62 rotates, the lower sliding groove 711 slides to drive the movable support 71 to rotate, the movable support 71 turns upwards to jack the flange 331 upwards, so that the flange 331 drives the straight gear 33 and the side brush 42 to move upwards, and after the side brush 42 upwards passes through the tray through hole 411, the tray 41 is positioned below the shell and can be used for mopping.

When the floor mopping mode is switched to the sweeping mode, the mode switching motor 51 drives the bevel gear set 52 to rotate in the opposite direction, and drives the pushing rod to rotate in the opposite direction, wherein the pushing rod 61 drives the semi-annular piece 63 and the pressing rod 64 to move upwards, the pressing rod 64 does not press downwards on the annular pressing groove 413 any more, and the tray 41 moves upwards along the spur gear 33 under the elastic force of the spring 35. Meanwhile, the lower push rod 62 rotates in the opposite direction to drive the movable support 71 to rotate in the opposite direction, the movable support 71 is reset to be in a horizontal state from a turning-up state, a space for downward movement is reserved for the flange 331, the side brush 42 moves downward along the straight gear 33 under the elastic force of the spring 35, penetrates through the tray through hole 411 and moves to the position below the tray 41, and sweeping can be performed.

After the tray 41 is lifted upwards, a large distance is reserved between the tray 41 and the ground, when the sweeping robot encounters a step, the tray 41 cannot be clamped by the step, and the side brush 42 can climb up the step in the rotating process; the tray 41 and the side brush 42 can also be controlled to be at the same height, so that a distance is reserved between the tray and the ground, the floor sweeping robot can smoothly pass through steps, and the floor sweeping robot can be competent for cleaning complex scenes.

As shown in fig. 2, a rolling brush 22 mechanism, a water supply mechanism, a running power unit, a dust suction fan 27, a circuit board and an ultraviolet lamp are arranged in the shell.

The roll brush 22 mechanism includes a roll brush motor 21, a roll brush 22 driven by the roll brush motor 21, and a dust box.

In this embodiment, the number of the side brushes 42 is two, the rolling brush 22 is disposed between the two side brushes 42, and the overlapping working areas are disposed between the rolling brush 22 and the two side brushes 42, so as to ensure that the garbage swept inward by the side brushes 42 can be collected into the dust box by the rolling brush 22.

The water supply mechanism includes a water supply tank 23 and a peristaltic pump 24. A peristaltic pump 24 supplies water from a water supply tank 23 to the sweeping mechanism. The outlet of the peristaltic pump 24 is connected to a water connection 65 on the pressure bar 64. The pressing rod 64 is hollow, and water flows downwards from the hollow pressing rod 64 and flows downwards to the lower part of the tray 41 after passing through the water leakage holes 4131 of the annular pressing groove 413, so that water required by cleaning is automatically supplied to the tray 41.

The peristaltic pump 24 squeezes a fluid-filled hose through the rollers, creating a negative pressure in the hose, and then the fluid moves forward in the direction of the rollers. The peristaltic pump does not need to be additionally provided with a water valve, a mechanical seal and a packing seal device, is simple to maintain, has good self-sucking capacity, can idle and prevent backflow, and cannot damage the peristaltic pump 24 under the condition of no liquid idle. With the benefit, the cleaning robot in the embodiment adopts the scheme that the water supply tank 23 is combined with the peristaltic pump 24, so that the service life is relatively longer, the control is more accurate, and the cleaning robot is not easy to block.

The travel power unit includes a travel motor 25 and a travel wheel 26. The traveling motor 25 drives the traveling wheels 26 to advance through a belt transmission.

The dust suction fan 27 is used to suck dust for floors or carpets. The exhaust duct of the dust suction fan 27 is aligned with the air outlet 111 of the housing, and in some places (such as wall corners) where the tray 41 and the side brush 42 cannot be cleaned, the exhaust duct of the air outlet 111 can blow dust out of the wall corners for cleaning, which is favorable for obtaining more comprehensive cleaning effect.

The ultraviolet lamp arranged in the shell is used for sterilization, and is particularly suitable for families with pets. It can effectively destroy the structure of DNA and RNA of bacteria, kill bacteria, and inhibit the growth of bacteria and germs. The ultraviolet germicidal lamp is often used in places with poor light permeability and poor ventilation in a home, can effectively kill various germs including bedding mites and the like, and is favorable for creating a healthy living environment. In order to prevent the influence of ultraviolet rays on human eyes, when a person lifts the sweeping robot, the system can automatically turn off the ultraviolet lamp, so that the phenomenon that the ultraviolet rays irradiate the eyes to cause visual impairment is avoided.

The control circuit board 28 arranged in the shell is a control center of the sweeping robot and controls the operation of each mechanism.

The top cover 12 is provided with a pan-tilt and laser radar navigation 14.

A multifunctional sweeping robot system comprises a machine station and a multifunctional sweeping robot.

As shown in fig. 7 and 8, an opening is arranged at the front end of the machine station, and a slope plate 86 is arranged in front of the opening, so that the sweeping robot can conveniently get in and out of the machine station.

A humidifier water tank 82, a water purifier 83, an evaporative humidifier 84, a station circuit board 85, and the like are provided in the station housing 81.

Common humidifiers are ultrasonic and evaporative. The white mist coming out of the ultrasonic humidifier is actually a drop of small water drops, and dust, bacteria and other fine particles in the air are easily adsorbed, so that secondary air pollution is formed. The evaporative humidifier 84 generally adopts a cold evaporation process, and has the greatest advantage of uniform humidification effect and is a healthier humidification method. The utility model discloses an evaporative humidifier 84 has still disposed an independent humidifier water tank 82 in addition, need not to use the water of water purifier 83, can avoid causing the pollution to evaporative humidifier 84's water.

The sweeping robot returns to the station after finishing the mopping work, the tray 41 is cleaned through the water purifier 83, the generated sewage can be subjected to secondary purification treatment through the water purifier 83, stored in the water tank in the station housing 81, and then can be injected into the water supply tank 23 of the sweeping robot again through the water injection pipe 831 or used for cleaning the tray 41. A plurality of dot-like protrusions 87 are provided at the bottom of the interior cavity of the station housing 81 to help increase friction when the tray 41 is rotated, thereby better washing away stains.

When the sweeping robot returns to the machine station, the work of the machine station is respectively as follows:

1. in the sweeping mode, the sweeping robot returns to the machine station, and the machine station starts a garbage recycling function. The machine station packs the garbage in the dust box of the sweeping robot into the machine station through the garbage recycling pipe 832 and the dust collector of the machine station, a user does not need to take out the dust box from the sweeping robot to pour the garbage, the garbage can be automatically packed and bagged in the machine station, and the sweeping robot is charged simultaneously.

2. In the mopping mode, the sweeping robot returns to the station, and the station starts the function of cleaning the tray 41 to keep the tray 41 clean. At the same time, the water supply tank 23 is supplied with water for mopping or charges the sweeping robot. After the tray 41 is cleaned, the surface of the sweeping robot is dried, and the cultivation room for generating bacteria by humidity is prevented. The cleaned sewage can enter the water tank and is sucked into the water purifier 83 for purification, so that the water resource can be recycled.

The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all should be included in the protection scope of the present invention.

Claims

1. The utility model provides a multi-functional robot of sweeping floor which characterized in that: the device comprises a shell, wherein a mode switching mechanism, a side brush and a tray are arranged on the shell and drive the shell to rotate;

the sweeping robot has a sweeping mode and a mopping mode;

when the floor mopping mode is switched to the floor sweeping mode, the side brush penetrates through the through hole of the tray from top to bottom; when the floor sweeping mode is switched to the floor mopping mode, the side brush penetrates through the tray through hole from bottom to top.

2. The multifunctional floor sweeping robot as claimed in claim 1, wherein: an arch part is arranged in the middle of the tray, the arch part is connected to the shell in a vertical sliding mode, and the side brush is arranged below the arch part.

3. The multifunctional floor sweeping robot as claimed in claim 2, wherein: the shell is connected with a straight gear which drives the shell to rotate in a sliding mode, the straight gear is vertically arranged, the side brush is fixedly connected to the straight gear, a tray gear is arranged on a tray arching portion, the tray gear is in meshing transmission with the straight gear and slides up and down on the straight gear, and the mode switching mechanism is connected to the tray arching portion and the straight gear respectively.

4. The multifunctional floor sweeping robot as claimed in claim 3, wherein: the mode switching mechanism comprises a pressing piece, a spring, a movable bracket and a push rod for driving rotation;

5. The multifunctional floor sweeping robot as claimed in claim 4, wherein: the upper sliding groove and the lower sliding groove are parallel to each other.

6. The multifunctional floor sweeping robot as claimed in claim 4, wherein: the annular pressure groove is provided with a water leakage hole, the lower pressing piece is provided with a water drainage hole which penetrates through the upper part and the lower part, and the top of the water drainage hole is provided with a water pipe connector.

7. The multifunctional floor sweeping robot as claimed in claim 1, wherein: the front part of the shell is provided with a front wheel steering mechanism.

8. The multifunctional floor sweeping robot as claimed in claim 1, wherein: the middle part of the shell is provided with a rolling brush, and the rolling brush and the side brush are provided with an overlapped working area.

9. The multifunctional floor sweeping robot as claimed in claim 1, wherein: the casing is equipped with the fan, and the casing rear portion is equipped with the exhaust vent.

10. The utility model provides a multi-functional robot system of sweeping floor which characterized in that: the multifunctional sweeping robot comprises a machine station and a multifunctional sweeping robot as claimed in any one of claims 1 to 9, wherein the machine station is provided with a charging device, a cleaning device and a water adding device;

the charging device is used for charging the multifunctional sweeping robot;