CN113786133A

CN113786133A - Automatic lifting mechanism, cleaning assembly and cleaning robot

Info

Publication number: CN113786133A
Application number: CN202111239967.1A
Authority: CN
Inventors: 陶海平; 李孟钦; 姚小飞; 郑卓斌; 王立磊; 其他发明人请求不公开姓名
Original assignee: Guangzhou Coayu Robot Co Ltd
Current assignee: Guangzhou Coayu Robot Co Ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2021-12-14

Abstract

The invention relates to an automatic lifting mechanism, a cleaning assembly and a cleaning robot. Automatic elevating system includes: the internal element rotating assembly comprises a transmission assembly and a driving motor, the internal element driving motor is rotationally connected with the internal element transmission assembly, and a through output shaft is arranged on the internal element transmission assembly; a first coupling member, the inner element first coupling member being at least partially disposed within the inner element output shaft, the inner element first coupling member being movable up and down within the inner element output shaft relative to the inner element drive assembly; and the tray assembly is arranged inside the first connecting piece and is connected with the lower part of the first connecting piece of the element inside the tray assembly. The automatic lifting mechanism and the cleaning robot provided by the invention can automatically lift or lower the tray assembly according to the condition of the obstacle in front of the moving direction, so that the risks of floor-dragging disc jamming and tripping can be reduced, and the product is more intelligent.

Description

Automatic lifting mechanism, cleaning assembly and cleaning robot

Technical Field

The invention relates to the technical field of automatic cleaning equipment, in particular to an automatic lifting mechanism, a cleaning assembly and a cleaning robot.

Background

With the development of technology and the needs of people's home life, various intelligent robots rapidly rush to the market and permeate into the life of users. The cleaning robot is a typical representative thereof, and has functions of sweeping, sucking, dragging and washing singly or in combination.

In order to realize the cleaning function and ensure the cleaning effect, the cleaning robot needs to tightly attach a cleaning piece (such as a mopping plate) on a chassis to a working surface when performing cleaning operation. When a cleaning robot with a floor tray in the prior art performs cleaning operation, the floor tray runs into obstacles such as cables and carpets and risks being caught or stuck.

Disclosure of Invention

In view of the above, it is desirable to provide an automatic lifting mechanism and a cleaning robot capable of reducing the risk of catching or catching a floor pan.

An automatic lifting mechanism, said automatic lifting mechanism comprising: the rotating assembly comprises a transmission assembly and a driving motor, the driving motor is rotationally connected with the transmission assembly, and a through output shaft is arranged on the transmission assembly; the first connecting piece is at least partially arranged in the output shaft and can move up and down in the output shaft relative to the transmission assembly; and the tray assembly is connected with the lower part of the first connecting piece.

The automatic lifting mechanism comprises a rotating assembly, a first connecting piece and a tray assembly. Wherein, the rotating assembly comprises a driving motor and a transmission assembly, one end of the transmission assembly is rotatably connected with the driving motor, the other end of the transmission assembly is connected with a first connecting piece, and the first connecting piece is arranged in the output shaft. The transmission assembly rotates under the driving of the driving motor, so that an output shaft on the transmission assembly is driven to rotate, and the first connecting piece connected with the output shaft is driven to move up and down relative to the output shaft through the rotation of the output shaft. In addition, the tray assembly is connected with the lower part of the first connecting piece, so that the tray assembly is driven by the first connecting piece to move up and down. The automatic lifting mechanism is simple in structure, good in reliability and convenient to produce.

In one embodiment, a first threaded portion is arranged in the output shaft, and a second threaded portion matched with the first threaded portion is arranged on the first connecting piece.

Foretell automatic lifting mechanism, further, first connecting piece passes through screw-thread fit's mode with the output shaft and realizes being connected to the power that first connecting piece reciprocated is converted into with output shaft horizontal direction pivoted power through the cooperation between the screw, and the other end and the tray subassembly of first connecting piece are connected, thereby realize reciprocating of tray subassembly. The automatic lifting mechanism further simplifies the structure of the automatic lifting mechanism, and is simple in implementation mode, good in reliability and convenient to produce.

In one embodiment, the output shaft and/or the first connecting piece are/is provided with a limiting part.

According to the automatic lifting mechanism, the limiting parts are arranged on the output shaft and/or the first connecting piece, so that the position of the first connecting piece moving downwards relative to the output shaft can be limited, the first connecting piece stops moving downwards when moving downwards to the limiting parts, the first connecting piece can only rotate along the rotation direction of the output shaft, and the tray assembly is driven to rotate along the rotation direction of the output shaft. Above-mentioned structure can prevent effectively that the phenomenon that drops from appearing in the first connecting piece removal in-process on the output shaft, and then influences the rigidity of tray subassembly and motor gear subassembly, and above-mentioned structure enables the power conversion of first connecting piece rebound to order about tray subassembly moreover and realizes driving force with output shaft syntropy pivoted. The rotation direction conversion mode of the force is simple in structure, easy to realize and suitable for batch production.

In one embodiment, the transmission assembly further comprises a gear set, one end of the gear set is connected with the rotating shaft of the driving motor, and the other end of the gear set is in meshed connection with the output shaft.

The transmission assembly of the automatic lifting mechanism further comprises a gear set, wherein one end of the gear set is connected with the driving motor to drive the gear set to rotate, and the other end of the gear set is meshed with the output shaft to drive the output shaft to rotate. Through setting up the gear train as transmission assembly, can improve driven stability to make first connecting piece on the output shaft reciprocate more steadily.

In one embodiment, the tray assembly comprises a tray body, wherein a limiting boss is arranged on the tray body, a first convex rib is further arranged on the outer side wall of the limiting boss, the first connecting piece comprises a connecting rod body and a second threaded portion, the second threaded portion is arranged on the outer side wall of the connecting rod body, a first connecting hole is further formed in the connecting rod body, at least one first groove is formed in the hole wall of the first connecting hole, the limiting boss is inserted into the first connecting hole, and the first connecting piece and the tray body are connected through the matching of the first groove and the first convex rib.

Foretell automatic lifting mechanism, the tray subassembly includes the tray body, be equipped with first protruding muscle on the spacing boss of tray body, first connecting piece includes connecting rod body and second screw thread portion, and second screw thread portion sets up on the lateral wall of connecting rod body, first connecting hole has still been seted up on the connecting rod body, the spacing boss of tray body is inserted and is located in the first connecting hole, and the adaptation through the first protruding muscle on the spacing boss and the first recess on the first connecting hole pore wall is connected, thereby realize the installation of tray subassembly and first connecting piece. The mode has the advantages of simple structure and good reliability, and is favorable for the first connecting piece to drive the tray assembly to move up and down or rotate.

In one embodiment, the tray assembly further comprises a second connecting piece and an elastic piece, a second connecting hole is formed in the limiting boss, at least one second groove is formed in the hole wall of the second connecting hole, a second convex rib matched with the second groove is arranged on the second connecting piece, the second connecting piece is inserted into the second connecting hole, and the tray body and the second connecting piece are connected with the second groove in a clamping mode through the second convex rib; the elastic piece is arranged in the second connecting hole, one end of the elastic piece abuts against the bottom of the second connecting hole, and the other end of the elastic piece abuts against the second connecting piece.

The tray assembly of the automatic lifting mechanism further comprises a second connecting piece and an elastic piece, a second connecting hole is formed in the limiting boss, the second connecting piece is inserted into the second connecting hole of the limiting boss of the tray body, and the second connecting piece is clamped in a second groove in the hole wall of the second connecting hole through a second convex rib on the second connecting piece, so that the second connecting piece is clamped with the tray body. In addition, the elastic piece is arranged in the second connecting hole, one end of the elastic piece is abutted with the bottom of the second connecting hole, and the other end of the elastic piece is abutted with the second connecting piece. Foretell tray subassembly is through setting up the elastic component, when tray subassembly meets the plane of slight unevenness at the removal in-process, can adjust the laminating nature between tray body and the plane through the elastic component, makes tray subassembly finely tune according to the plane state of difference better to adapt to different environmental conditions, thereby improve automatic lifting mechanism's performance.

The automatic lifting mechanism in one embodiment further comprises a cover assembly, the cover assembly comprises a first cover body and a second cover body, the first cover body and the second cover body are clamped to form a containing cavity, the transmission assembly is arranged in the containing cavity, a through hole communicated with the containing cavity is formed in the first cover body, and a rotating shaft of the driving motor penetrates through the through hole to be connected with the transmission assembly.

The automatic lifting mechanism further comprises a cover body assembly, and the transmission assembly is arranged in the containing cavity of the cover body assembly, so that the transmission assembly is convenient to fix.

Foretell automatic lifting mechanism, the through-hole back that offers on the first lid is passed to driving motor's rotating shaft is connected with drive assembly, can guarantee the stability of the drive assembly movement track of being connected with driving motor, can also guarantee the stability that first connecting piece reciprocated on the output shaft to improve automatic lifting mechanism movement track's reliable and stable nature.

Optionally, the first cover body is further provided with a limiting convex column for positioning the first connecting piece, and the limiting convex column is inserted into the first connecting hole of the first connecting piece.

The automatic lifting mechanism in one embodiment further comprises a switch assembly disposed on the cover assembly and/or the environmental element, the switch assembly including a trigger and a switch, the switch being responsive to activation of the trigger.

The automatic lifting mechanism further comprises a switch assembly arranged on the cover body assembly and/or the environment element, the switch assembly is used for controlling the upward moving height of the first connecting piece relative to the output shaft in the automatic lifting mechanism, and when the set height is reached, the switch controls the driving motor to stop working, so that the first connecting piece stops moving upwards. Specifically, when working, the driving motor drives the transmission assembly to rotate so as to drive the tray assembly to work. When automatic elevating system detected the place ahead and had carpet or other complex conditions, driving motor got into the reversal state, and the output shaft is in the rotation state all the time, and first connecting piece can drive the tray subassembly and go on the state that rises this moment. When the tray assembly ascends, the trigger piece is touched, and then the switch is touched, so that the ascending state is in place. The rise may be stopped at this time. When the vehicle runs to a flat environment, the tray assembly descends through the first connecting piece by clockwise rotation of the driving motor. When the first connecting piece is lowered to the position where the first connecting piece is clamped at the limiting part of the first threaded part or the second threaded part, the first connecting piece can be lowered to the position where the first connecting piece can continue to work.

Alternatively, the trigger and the switch of the switch assembly may be mounted on the first cover or the second cover of the cover assembly, or mounted on an environmental element (e.g., a mounting location of the body), and the switch assembly may be configured such that one of the trigger or the switch is mounted on the cover assembly and the other is mounted on the environmental element of the body. The switch for responding to the trigger can be any one or combination of a micro switch, an optical coupling switch, a Hall switch and the like.

Specifically, in one embodiment, the trigger is a lever linkage and the switch is a microswitch. The lever connecting piece is connected with the cover body assembly or the environment element by any point except two end points, and the lever connecting piece can rotate on the cover body assembly or the environment element by taking the connecting point as a fulcrum under stress so as to trigger the switch to work.

In the automatic lifting mechanism, the trigger part is the lever connecting part, so that the lifting height of the first connecting part can be adjusted better and more timely. The switch is set to be a microswitch, when the first connecting piece rises to the right position, the circuit can be cut off in time, the rising is stopped, and the sensitivity of rising control is improved, so that the overall performance of the automatic lifting mechanism is improved.

The automatic lifting mechanism in one embodiment further comprises a flexible part, and the flexible part is arranged at one end, abutted against the tray body, of the trigger part.

The automatic lifting mechanism further comprises a flexible piece, and the flexible piece is arranged at one end, abutted against the tray body, of the trigger piece. When the tray assembly rises, the flexible piece is touched, and then the flexible piece touches the trigger piece so as to touch the switch, so that the rising state is in place, and the rising can be stopped at the moment. Through setting up the flexible piece, can prevent that oppression from triggering the piece when first connecting piece rises, consequently set up the flexible piece and can carry out better buffering to the power that the in-process oppressed triggering the piece that first connecting piece rises to can protect automatic lifting mechanism's structural element better.

A cleaning assembly, said cleaning assembly comprising: a floor mopping piece and the automatic lifting mechanism of any one of the preceding items; the floor mopping piece is arranged on one side of the tray body, which is different from the first connecting piece.

Embodiments of the second aspect of the present application provide a cleaning assembly comprising a floor mop and an automatic lifting mechanism as described in any one of the preceding claims, thereby reducing the risk of catching or snagging on the floor mop of the above-described cleaning assembly. In addition, the cleaning robot using the cleaning assembly can automatically lift up in the process of returning to the base station to charge or clean the floor mopping piece, so that the cleaned area is prevented from being secondarily polluted by the polluted floor mopping piece.

Optionally, the floor mopping piece and the tray body are different from one side of the first connecting piece, and the connection can be realized through one or more of sleeving, magic tape sticking and the like.

A cleaning robot, comprising: a body and the aforementioned cleaning assembly; the cleaning device is characterized in that the machine body is provided with a mounting position, and the cleaning component is mounted in the mounting position and is electrically connected with elements in the machine body.

Embodiments of a third aspect of the present application provide a cleaning robot, including a body and the aforementioned cleaning assembly, wherein the cleaning robot further includes a moving mechanism and a cleaning mechanism, and the automatic lifting mechanism and the cleaning mechanism of the cleaning assembly are installed on an installation position of the body. The control device is arranged in the machine body and is electrically connected with the moving mechanism, the cleaning mechanism and the automatic lifting mechanism, so that the movement, cleaning, up-and-down lifting of the tray component, wiping of the floor mopping piece and other actions of the cleaning robot are controlled. Foretell cleaning machines people through adopting the tray that has above-mentioned automatic lifting mechanism to drag ground spare design, can work in various environment at home, avoids cleaning machines people whole under complicated ground situation to drag the risk that ground spare is stuck for cleaning machines people's product is more intelligent. In addition, through the design of the tray mopping piece using the automatic lifting mechanism, the cleaning assembly can be automatically lifted in the process that the cleaning robot returns to a base station to charge or clean the mopping piece, so that the area which is cleaned is prevented from being secondarily polluted by the dirty mopping piece.

Drawings

FIG. 1 is an assembly diagram of the overall structure of the automatic lifting mechanism according to the present invention;

FIG. 2 is a schematic view of the motor gear assembly and the first coupling member of the present invention;

FIG. 3 is a diagram of the assembly of the tray assembly of the present invention;

FIG. 4 is a view of the motor gear assembly of the present invention in relation to the first connecting member and the cover assembly;

FIG. 5 is a view of the motor gear assembly of the present invention in assembled relation to a tray assembly;

FIG. 6 is a schematic view of the cleaning robot according to the present invention;

FIG. 7 is a cross-sectional view of the cleaning robot in a lowered state of the tray assembly according to the present invention;

fig. 8 is a sectional view of the cleaning robot in a state where the tray assembly is lifted according to the present invention.

Wherein, the corresponding relation between the reference signs and the component names is as follows:

100 rotating assemblies, 110 transmission assemblies, 1101 output shafts, 11011 first threaded parts, 1102 gear sets and 120 driving motors;

200 a first connecting piece, 210 a second threaded part, 220 a limiting part, 230 a connecting rod body, 2301 a first connecting hole and 2302 a first groove;

300, a tray assembly, 310, a tray body, 3101, a limiting boss, 3102, a first convex rib, 3103, a second connecting hole, 3104, a second groove, 320, a second connecting piece, 3201, a second convex rib and 330 elastic pieces;

400 cover body assembly, 410 first cover body, 420 second cover body, 401 containing cavity, 402 through hole and 430 limiting convex column;

500 switch assembly, 510 trigger, 520 switch;

600 a flexible member;

700 a fuselage;

800 a moving mechanism;

900 cleaning mechanism.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

An automatic lifting mechanism and a cleaning robot according to some embodiments of the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1 to 2, an embodiment of a first aspect of the present invention discloses an automatic lifting mechanism, including: the rotating assembly 100, the rotating assembly 100 includes the transmission assembly 110 and the driving motor 120, the driving motor 120 is connected with the transmission assembly 110 rotatably, there is a through output shaft 1101 on the transmission assembly 110; the first connecting piece 200, the first connecting piece 200 is at least partially arranged in the output shaft 1101, and the first connecting piece 200 can move up and down in the output shaft 1101 relative to the transmission assembly 110; and a tray assembly 300, wherein the tray assembly 300 is connected with the lower part of the first connector 200.

The automatic lifting mechanism of the present application includes a rotating assembly 100, a first link 200, and a tray assembly 300. The rotating assembly 100 includes a driving motor 120 and a transmission assembly 110, one end of the transmission assembly 110 is rotatably connected to the driving motor 120, the other end is connected to the first connecting member 200, and the first connecting member 200 is disposed in the output shaft 1101. The transmission assembly 110 is driven by the driving motor 120 to rotate, so as to drive the output shaft 1101 on the transmission assembly 110 to rotate, and the first connecting piece 200 connected with the output shaft 1101 is driven to move up and down relative to the output shaft 1101 through the rotation of the output shaft 1101. In addition, the tray assembly 300 is connected to the lower portion of the first connecting member 200, so that the tray assembly 300 is driven by the first connecting member 200 to move up and down.

Optionally, the output shaft 1101 is hinged to the first connecting member 200, so that the first connecting member 200 moves up and down on the output shaft 1101.

Optionally, a cam is arranged between the output shaft 1101 and the first connecting piece 200, the output shaft 1101 is moved left and right by the driving motor 120, and pushes the cam to move left and right, so as to push the first connecting piece 200 to move up and down.

Optionally, a piston assembly is arranged between the output shaft 1101 and the first connecting piece 200, and the piston assembly includes a piston arranged in a horizontal direction and a piston arranged in a vertical direction, the piston arranged in the horizontal direction is connected with the output shaft 1101, and the piston in the vertical direction is connected with the first connecting piece 200, so that when the output shaft 1101 moves in the horizontal manner, the piston in the horizontal direction is driven to move, and the piston in the vertical direction is driven to move up and down, and further the first connecting piece 200 is driven to move up and down.

As shown in fig. 2, in addition to the features of the above embodiment, the present embodiment further defines: a first thread portion 11011 is arranged in the output shaft 1101, and a second thread portion 210 matched with the first thread portion 11011 is arranged on the first connecting piece 200.

The automatic lifting mechanism further comprises a first connecting piece 200 connected with the output shaft 1101 in a threaded matching mode, so that the force in the horizontal direction rotating direction of the output shaft 1101 is converted into the force for moving the first connecting piece 200 up and down through the matching between threads, and the other end of the first connecting piece 200 is connected with the tray assembly 300, so that the tray assembly 300 can move up and down. The automatic lifting mechanism further simplifies the structure of the automatic lifting mechanism, the structure of the automatic lifting mechanism is more compact, the automatic lifting mechanism can move up and down in a thread matching mode, an external mechanism does not need to be added, the implementation mode is simple, the reliability is good, and the maintenance and batch production are convenient.

As shown in fig. 2, in addition to the features of the above embodiment, the present embodiment further defines: the output shaft 1101 and/or the first connecting member 200 are provided with a stopper 220.

In the automatic lifting mechanism, the limiting portion 220 is arranged on the output shaft 1101 and/or the first connecting piece 200, so that the position of the first connecting piece 200 moving downwards relative to the output shaft 1101 can be limited, the first connecting piece 200 stops moving downwards when moving downwards to the limiting portion 220, the first connecting piece 200 can only rotate along the rotation direction of the output shaft 1101, and the tray assembly 300 is driven to rotate along the rotation direction of the output shaft 1101. The structure can effectively prevent the first connecting piece 200 from falling off during the moving process on the output shaft 1101, and further the position fixing of the tray assembly 300 and the rotating assembly 100 is influenced, and the structure can convert the upward moving force of the first connecting piece 200 into the driving force for driving the tray assembly 300 to rotate in the same direction with the output shaft 1101. The rotation direction conversion mode of the force is simple in structure, easy to realize and suitable for batch production.

Optionally, the limiting part 220 is a limiting block.

As shown in fig. 2, in the present embodiment, the transmission assembly 110 further includes a gear set 1102, one end of the gear set 1102 is connected to the rotation shaft of the driving motor 120, and the other end of the gear set 1102 is connected to the output shaft 1101 in a meshed manner.

In the automatic lifting mechanism, the transmission assembly 110 further includes a gear set 1102, wherein one end of the gear set 1102 is used for being connected to the driving motor 120 to drive the gear set 1102 to rotate, and the other end of the gear set 1102 is meshed with the output shaft 1101, so as to drive the output shaft 1101 to rotate. By arranging the gear set as a transmission assembly, the stability of transmission can be improved, so that the up-and-down movement of the first connecting piece 200 on the output shaft 1101 is more stable.

As shown in fig. 2, 3, and 5, in this embodiment, the tray assembly 300 includes a tray body 310, a limiting boss 3101 is disposed on the tray body 310, a first rib 3102 is further disposed on an outer sidewall of the limiting boss 3101, the first connecting member 200 includes a connecting rod body 230 and a second threaded portion 210, the second threaded portion 210 is disposed on an outer sidewall of the connecting rod body 230, a first connecting hole 2301 is further disposed on the connecting rod body 230, at least one first groove 2302 is disposed on a hole wall of the first connecting hole 2301, the limiting boss 3101 is inserted into the first connecting hole 2301, and the first connecting member 200 and the tray body 310 are connected by the cooperation of the first groove 2302 and the first rib 3102.

The automatic lifting mechanism comprises a tray body 310, a first convex rib 3102 is arranged on a limiting boss 3101 of the tray body 310, the first connecting piece 200 comprises a connecting rod body 220 and a second threaded part 210, the second threaded part 210 is arranged on the outer side wall of the connecting rod body 220, a first connecting hole 2201 is further formed in the connecting rod body 220, the limiting boss 3101 of the tray body 310 is inserted into the first connecting hole 2201, and the first convex rib 3102 on the limiting boss 3101 is connected with the first groove 2202 on the hole wall of the first connecting hole 2201 in an adaptive manner, so that the tray assembly 300 and the first connecting piece 200 are installed. The mode has simple structure and good reliability, and is beneficial to the first connecting piece 200 to drive the tray assembly 300 to move up and down or rotate.

As shown in fig. 3, in the present embodiment, the tray assembly 300 further includes a second connector 320 and an elastic member 330. A second connecting hole 3103 is formed in the limiting boss 3101, specifically, the second connecting hole 3103 is a blind hole, at least one second groove 3104 is formed on the hole wall of the second connecting hole 3103, the second connecting member 320 is provided with a second convex rib 3201 matched with the second groove 3104, the second connecting member 320 is inserted into the second connecting hole 3103, and the tray body 310 and the second connecting member 320 are connected with the second groove 3104 through the second convex rib 3201 in a clamping manner.

The elastic member 330 is disposed in the second connecting hole 3103, and one end of the elastic member 330 abuts against the bottom of the second connecting hole 3103, and the other end abuts against the second connecting member 320.

In the above automatic lifting mechanism, the tray assembly 300 further includes the second connecting member 320 and the elastic member 330, and the limiting boss 3101 is further provided with a second connecting hole 3103, the second connecting member 320 is inserted into the second connecting hole 3103 of the limiting boss 3101 of the tray body 310, and is clamped in the second groove 3104 on the hole wall of the second connecting hole 3103 by the second convex rib 3201 on the second connecting member 320, so that the clamping connection between the second connecting member 320 and the tray body 310 is realized. In addition, the elastic member 330 is disposed in the second connection hole 3103, and one end of the elastic member 330 is in contact with the hole bottom of the second connection hole 3013, and the other end is in contact with the second connection member 320. By arranging the elastic member 330, when the tray assembly 300 encounters a slightly uneven plane during the moving process, the tray assembly 300 can adjust the fitting property between the tray body 310 and the plane through the elastic member 330, so that the tray assembly 300 can be finely adjusted according to different plane states to adapt to different environmental conditions, and the use performance of the automatic lifting mechanism is improved.

As shown in fig. 1, 4, and 5, the automatic lifting mechanism in this embodiment further includes a cover assembly 400, where the cover assembly 400 includes a first cover 410 and a second cover 420, the first cover 410 and the second cover 420 are engaged to form a cavity 401, the transmission assembly 110 is disposed in the cavity 401, a through hole 402 communicating with the cavity 401 is formed on the first cover 410, and a rotation shaft of the driving motor 120 passes through the through hole 402 and is connected to the transmission assembly 110.

The automatic lifting mechanism further comprises a cover assembly 400, and the transmission assembly 110 is arranged in the accommodating cavity 401 of the cover assembly 400, so that the transmission assembly 110 is conveniently fixed.

In the automatic lifting mechanism, the rotating shaft of the driving motor passes through the through hole 402 formed in the first cover 410 and then is connected with the transmission assembly 110, so that the stability of the motion track of the transmission assembly 110 connected with the driving motor 120 can be ensured, and the stability of the up-and-down movement of the first connecting piece 200 on the output shaft 1102 can be ensured, thereby improving the stability and reliability of the motion track of the automatic lifting mechanism.

Optionally, the first cover 410 is further provided with a position-limiting convex pillar 430 for positioning the first connecting member 200, and the position-limiting convex pillar 430 is inserted into the first connecting hole 2201 of the first connecting member 200.

As shown in fig. 1, 7 and 8, the automatic lifting mechanism in the present embodiment further includes a switch assembly 500 disposed on the cover assembly 400 and/or the environmental element, the switch assembly 500 includes a trigger 510 and a switch 520, and the switch 520 is capable of responding to the trigger of the trigger 510.

The automatic lifting mechanism further comprises a switch assembly 500 arranged on the cover assembly and/or the environmental element, the switch assembly 500 is used for controlling the height of the first connecting piece 200 moving upwards relative to the output shaft 1102 in the automatic lifting mechanism, and when the set height is reached, the switch 520 controls the driving motor 120 to stop working, so that the first connecting piece 200 stops moving upwards. Specifically, when working, the driving motor 120 drives the transmission assembly 110 to rotate, so as to drive the tray assembly 300 to work. When the automatic lifting mechanism detects that there is a carpet or other complex condition in the front, the driving motor 120 enters a reverse rotation state, the output shaft 1102 is always in a rotation state, and the first connecting member 200 drives the tray assembly 300 to ascend. When the tray assembly 300 is lifted, the trigger 510 is touched, and the switch 520 is touched, indicating that the lifting state is in place. The rise may be stopped at this time. When the vehicle travels to a flat environment, the tray assembly 300 is lowered through the first link 200 by the clockwise rotation of the driving motor 120. When the first connecting piece 200 is lowered to be locked in the first thread part 11021 or the limiting part 211 of the second thread part 210, the work can be continued when the first connecting piece is lowered to the proper position.

Alternatively, the trigger 510 and the switch 520 of the switch assembly 500 may be mounted on the first cover 410 or the second cover 420 of the cover assembly 400, or mounted on an environmental element (e.g., an installation site of the body), and the switch assembly may be configured such that one of the trigger 510 or the switch 520 is mounted on the cover assembly 400 and the other is mounted on the environmental element of the body. The switch 520 for triggering in response to the trigger 510 may be any one or combination of micro-switches, opto-couplers, hall switches, etc.

As shown in fig. 1, 7 and 8, in the present embodiment, the trigger 510 is a lever link, and the switch 520 is a microswitch. The lever connecting member is connected to the cover assembly 400 or the environmental element through any point except two end points, and the lever connecting member is forced to rotate on the cover assembly 400 or the environmental element by taking the connecting point as a fulcrum, so that the trigger switch 520 is triggered to work.

In the above automatic lifting mechanism, the trigger 510 is a lever connector, so as to adjust the lifting height of the first connector 200 more timely. The switch 520 is a microswitch, when the first connecting piece 200 rises to the proper position, the circuit can be cut off in time, the rising is stopped, and the sensitivity of rising control is improved, so that the overall performance of the automatic lifting mechanism is improved.

As shown in fig. 1, 7, and 8, the automatic lifting mechanism in this embodiment further includes a flexible member 600, and the flexible member 600 is disposed at an end of the trigger 510, which is opposite to the tray body 310.

The automatic lifting mechanism further includes a flexible member 600, and the flexible member 600 is disposed at one end of the trigger 510 abutting against the tray body 310. When the tray assembly 300 is lifted, it will touch the flexible member 600, and the flexible member will touch the trigger member to touch the switch, indicating that the lifting state is in place, at which time the lifting can be stopped. Through the arrangement of the flexible member 600, the pressing trigger 510 when the first connecting member 200 ascends can be prevented, so that the force pressing the trigger 510 in the ascending process of the first connecting member 200 can be better buffered by the arrangement of the flexible member 600, and structural elements of the automatic lifting mechanism can be better protected.

Embodiments of a second aspect of the invention provide a cleaning assembly comprising: a floor mopping piece and an automatic lifting mechanism of any one of the above; the floor-mopping piece is arranged on the side of the tray body 310 opposite to the first connecting piece 200.

Embodiments of the second aspect of the present application provide a cleaning assembly, which includes a floor-mopping piece and the automatic lifting mechanism of any one of the foregoing items, so that the risk of catching and tripping of the floor-mopping piece of the cleaning assembly can be reduced. In addition, the cleaning robot using the cleaning assembly can automatically lift up in the process of returning to the base station to charge or clean the floor mopping piece, so that the cleaned area is prevented from being secondarily polluted by the polluted floor mopping piece.

Alternatively, the floor mopping piece and the tray body 310 may be connected by one or more of sleeving, pattern sticking, and the like on a side different from the first connecting piece 200.

Embodiments of the third aspect of the present invention also provide a cleaning robot, as shown in fig. 6 to 8, including: a body 700 and the aforementioned cleaning assembly; the body 700 is provided with a mounting location in which the cleaning assembly is mounted and electrically connected to the components inside the body.

The third aspect of the present application further provides a cleaning robot, which includes a body and the aforementioned cleaning assembly, wherein the cleaning robot further includes a moving mechanism 800 and a cleaning mechanism 900, and the automatic lifting mechanism of the cleaning assembly and the cleaning mechanism 900 are installed on the installation position of the body. The control device is disposed inside the body and electrically connected to the moving mechanism 800, the cleaning mechanism 900 and the automatic lifting mechanism, thereby controlling the movement of the cleaning robot, the cleaning, the up-and-down movement of the tray assembly 300, the wiping of the floor mopping, and the like. Foretell cleaning machines people through adopting the tray that has above-mentioned automatic lifting mechanism to drag ground spare design, can work in various environment at home, avoids cleaning machines people whole under complicated ground situation to drag the risk that ground spare is stuck for cleaning machines people's product is more intelligent. In addition, through the design of the tray mopping piece using the automatic lifting mechanism, the cleaning assembly can be automatically lifted in the process that the cleaning robot returns to a base station to charge or clean the mopping piece, so that the area which is cleaned is prevented from being secondarily polluted by the dirty mopping piece.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An automatic lifting mechanism, characterized in that, automatic lifting mechanism include:

the rotating assembly (100) comprises a transmission assembly (110) and a driving motor (120), the driving motor (120) is rotatably connected with the transmission assembly (110), and a through output shaft (1101) is arranged on the transmission assembly (110);

a first coupling member (200), the first coupling member (200) being at least partially disposed within the output shaft (1101), the first coupling member (200) being movable up and down within the output shaft (1101) relative to the transmission assembly (110);

a tray assembly (300), the tray assembly (300) being connected with a lower portion of the first connector (200).

2. The automatic lifting mechanism according to claim 1, wherein a first threaded portion (11011) is provided in the output shaft (1101), and a second threaded portion (210) which is engaged with the first threaded portion (11011) is provided on the first coupling member (200).

3. The automatic lifting mechanism according to claim 1 or 2, characterized in that the output shaft (1101) and/or the first connecting member (200) is provided with a stopper portion (220).

4. The automatic lifting mechanism according to claim 1, wherein the transmission assembly (110) further comprises a gear set (1102), one end of the gear set (1102) is connected with the rotating shaft of the driving motor (120), and the other end of the gear set (1102) is connected with the output shaft (1101) in a meshed manner.

5. The automatic lifting mechanism according to claim 2, wherein the tray assembly (300) comprises a tray body (310), a limiting boss (3101) is arranged on the tray body (310), a first rib (3102) is further arranged on the outer side wall of the limiting boss (3101),

first connecting piece (200) include connecting rod body (230) and second screw thread portion (210), second screw thread portion (210) set up on the lateral wall of connecting rod body (230), still seted up first connecting hole (2301) on connecting rod body (230), seted up at least one first recess (2302) on the pore wall of first connecting hole (2301), spacing boss (3101) are inserted and are located in first connecting hole (2301), first connecting piece (200) with tray body (310) are connected through the cooperation of first recess (2302) with first protruding muscle (3102).

6. The automatic lifting mechanism according to claim 5, wherein the tray assembly (300) further comprises a second connecting member (320) and an elastic member (330), a second connecting hole (3103) is formed in the limiting boss (3101), at least one second groove (3104) is formed in the hole wall of the second connecting hole (3103), the second connecting member (320) is provided with a second rib (3201) matched with the second groove (3104), the second connecting member (320) is inserted into the second connecting hole (3103), and the tray body (310) and the second connecting member (320) are connected with the second groove (3104) in a clamping manner through the second rib (3201);

the elastic piece (330) is arranged in the second connecting hole (3103), one end of the elastic piece (330) is abutted against the bottom of the second connecting hole (3103), and the other end of the elastic piece (330) is abutted against the second connecting piece (320).

7. The automatic lifting mechanism according to claim 5, further comprising a cover assembly (400), wherein the cover assembly (400) comprises a first cover (410) and a second cover (420), the first cover (410) and the second cover (420) are engaged to form a cavity (401), the transmission assembly (110) is disposed in the cavity (401), the first cover (410) is provided with a through hole (402) communicated with the cavity (401), and a rotation shaft of the driving motor (120) passes through the through hole (402) and is connected with the transmission assembly (110).

8. The automatic lifting mechanism of claim 7, further comprising a switch assembly (500) disposed on the cover assembly (400) and/or an environmental element, the switch assembly (500) including a trigger (510) and a switch (520), the switch (520) being responsive to activation of the trigger (510).

9. A cleaning assembly, characterized in that the cleaning assembly comprises: a floor-mopping piece and the automatic lifting mechanism of any one of claims 1 to 8; the floor mopping piece is arranged on one side of the tray body (310) different from the first connecting piece (200).

10. A cleaning robot, comprising: a body and a cleaning assembly as claimed in claim 9; the cleaning device is characterized in that the machine body is provided with a mounting position, and the cleaning component is mounted in the mounting position and is electrically connected with elements in the machine body.