Lifting mop device and floor sweeper

Abstract

A lifting mop device and a floor sweeper. The lifting mop device comprises a housing (1), a lifting mop (2) and a driving mechanism (3). A mop storage groove (111) is formed in the bottom of the housing (1); the lifting mop (2) comprises a mop protection cover (21) and a roller mop (22), the lifting mop (2) is located in the mop storage groove (111), a connecting arm (211) is provided on one side of the mop protective cover (21), and the connecting arm (211) is hinged to the housing (1); and an output end of the driving mechanism (3) is connected to the mop protective cover (21) for driving the lifting mop (2) to swing up and down in the mop storage groove (111). Due to the swing lifting arrangement of the lifting mop (2), which is hinged to the housing (1) via the connecting arm (211), there is no requirement to configure a special lifting support, thereby simplifying the structure. The connecting arm (211) is located on the front / rear side of the mop protective cover (21) and no longer occupies height dimensions, which is conducive to reducing the thickness of a product.

Description

Lifting mop device and sweeping machine

[0001] This application claims priority to Chinese patent application No. 202420578781.1, filed on March 22, 2024, and all disclosed contents of that application are incorporated herein by reference. Technical Field

[0002] The present application relates to the technical field of sweeping equipment, and in particular to a lifting mop device and a sweeping machine. Background Art

[0003] The Chinese patent application with announcement number CN218552236U discloses a cleaning device and a cleaning system, including: a device body, a roller assembly and a lifting assembly. The lifting assembly is connected to the device body and the roller assembly, and is used to drive the roller assembly to switch between an ascending position and a descending position. The lifting assembly includes a first motor, a cam and a bracket. The bracket is rotatably arranged on the device body, the roller assembly is connected to the bracket, and the cam is arranged on the bracket. The first motor is arranged on the device body, and the first motor is connected to the cam for driving the cam to rotate. When the cam rotates, it drives the bracket to rotate relative to the device body, so that the roller assembly can switch between an ascending position and a descending position.

[0004] In the above patent, the lifting assembly uses a lifting bracket to drive the entire roller assembly to lift and lower in the vertical direction. The lifting brackets at both ends of the roller assembly are arranged vertically and then assembled with the rotating shaft, cam, and motor above. The structure is complex and the required height dimension is large, resulting in a large thickness of the product. Summary of the Invention

[0005] The purpose of this application is to overcome the shortcomings of the existing technology and provide a new type of lifting mop device and sweeper. The lifting mop adopts a swinging lifting arrangement. The connecting arm on one side of the mop shield is hinged to the shell, and there is no need to configure a lifting bracket, which simplifies the structure. The connecting arm is located at the front / rear side of the mop shield and no longer occupies the height dimension, which is conducive to reducing the thickness of the product.

[0006] The technical solution of the present application provides a lifting mop device, comprising a housing having a mop storage groove, a lifting mop located in the mop storage groove and capable of swinging and lifting, and a driving mechanism for driving the lifting mop to swing and lift;

[0007] The lifting mop includes a mop shield disposed in the mop storage slot and a roller mop pivotally connected to the mop shield;

[0008] A connecting arm is provided on one side of the mop guard, and the connecting arm is hinged to the shell;

[0009] The driving mechanism is connected to the shell and is located outside the mop storage groove, and the output end of the driving mechanism is connected to the mop shield.

[0010] In one of the optional technical solutions, a plurality of connecting arms are provided at intervals on one side of the mop guard, and each connecting arm is hinged to the shell.

[0011] In one of the optional technical solutions, the shell includes a bottom shell and a top shell detachably connected to the bottom shell, the mop storage groove is provided at the bottom of the bottom shell, and the driving mechanism is installed in the space formed by the bottom shell and the top shell.

[0012] In one of the optional technical solutions, the shell includes a connecting bracket, the connecting bracket is located on one side of the mop storage slot, and the connecting arm is hinged to the connecting bracket.

[0013] In one of the optional technical solutions, the connecting bracket is provided with a bracket groove, and the end of the connecting arm is hinged in the bracket groove.

[0014] In one of the optional technical solutions, an elastic element is connected between the shell and the connecting arm to drive the lifting mop to descend.

[0015] In one of the optional technical solutions, the driving mechanism includes a motor, a rotating wheel and a traction rope;

[0016] The motor is fixedly connected to the housing, the rotating wheel is pivotally connected to the housing, the rotating wheel is located above the mop storage slot and is in transmission connection with the motor;

[0017] A top plate through hole is provided on the top plate of the mop storage tank;

[0018] One end of the traction rope is connected to the rotating wheel and can be wound around the rotating wheel, and the other end of the traction rope passes through the top plate through hole and is connected to the mop shield.

[0019] In one of the optional technical solutions, the rotating wheel includes a worm gear and a capstan coaxially connected to the worm gear, the rotating shaft of the motor is connected to a worm, and the worm gear is meshed with the worm;

[0020] An annular groove is provided on the circumferential surface of the winch, and one end of the traction rope is connected to the winch and can be wound in the annular groove.

[0021] In one of the optional technical solutions, a limit switch is provided in the housing around the rotating wheel, and the limit switch has an elastic trigger piece;

[0022] The edge of the rotating wheel is provided with a triggering protrusion for triggering the elastic triggering piece, and the triggering protrusion extends along the radial protrusion of the rotating wheel.

[0023] The technical solution of the present application also provides a sweeping machine, comprising the lifting mop device described in any of the aforementioned technical solutions.

[0024] The above technical solution has the following beneficial effects:

[0025] The present application provides a lifting mop device and sweeper, comprising a housing, a lifting mop, and a drive mechanism. The bottom of the housing has a mop storage slot. The lifting mop includes a mop shield and a roller mop. The lifting mop is located in the mop storage slot. A connecting arm is provided on one side of the mop shield, which is hinged to the housing. The output end of the drive mechanism is connected to the mop shield and is used to drive the lifting mop to swing up and down in the mop storage slot. Because the lifting mop adopts a swinging and lifting arrangement, it is hinged to the housing via the connecting arm, eliminating the need for a dedicated lifting bracket, simplifying the structure. The connecting arm is located at the front / rear side of the mop shield, no longer occupying height dimensions, which helps reduce the thickness of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The disclosure of this application will become easier to understand with reference to the accompanying drawings. It should be understood that these drawings are for illustrative purposes only and are not intended to limit the scope of protection of this application. In the drawings:

[0027] FIG1 is an exploded view of a lifting mop device provided in one embodiment of the present application;

[0028] FIG2 is a perspective view of a lifting mop device provided in an embodiment of the present application, wherein the lifting mop is in a lowered state;

[0029] FIG3 is a cross-sectional view of FIG2 taken along a direction perpendicular to the roller mop;

[0030] FIG4 is a perspective view of a lifting mop device provided in an embodiment of the present application, wherein the lifting mop is in a raised state;

[0031] FIG5 is a cross-sectional view of FIG4 taken along a direction perpendicular to the roller mop;

[0032] Figure 6 is a perspective view of the drive mechanism and the limit switch installed on the bottom shell;

[0033] FIG7 is a perspective view of the bottom shell;

[0034] FIG8 is an exploded view of the driving mechanism and the lifting mop;

[0035] Figure 9 is a schematic diagram of the assembly of the lifting mop, drive mechanism and connecting bracket;

[0036] FIG10 is a perspective view of a connecting bracket;

[0037] FIG11 is a perspective view of a driving mechanism;

[0038] Figure 12 is a schematic diagram of the coordination between the winch and the limit switch. DETAILED DESCRIPTION

[0039] The following further describes the specific embodiments of the present application with reference to the accompanying drawings. Identical components are denoted by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, and the terms "inward" and "outward" refer to directions toward or away from the geometric center of a particular component, respectively.

[0040] As shown in Figures 1-6 and Figures 8-9, an embodiment of the present application provides a lifting mop device, which includes a shell 1 with a mop storage groove 111, a lifting mop 2 located in the mop storage groove 111 and capable of swinging and lifting, and a driving mechanism 3 for driving the lifting mop 2 to swing and lift.

[0041] The lifting mop 2 includes a mop shield 21 disposed in the mop storage slot 111 and a roller mop 22 pivotally connected to the mop shield 21 .

[0042] A connecting arm 211 is provided on one side of the mop shield 21 , and the connecting arm 211 is hinged to the housing 1 .

[0043] The driving mechanism 3 is connected to the housing 1 and is located outside the mop storage groove 111 . The output end of the driving mechanism 3 is connected to the mop shield 21 .

[0044] The lifting mop device provided in the present application includes a housing 1, a lifting mop 2, and a driving mechanism 3. The housing 1 can be a part of a housing of a sweeping machine.

[0045] The bottom of the housing 1 is provided with a mop receiving groove 111 , the opening of which faces downwards, and is used to accommodate the lifting mop 2 .

[0046] The lift mop 2 is mounted in the mop storage slot 111 and can be raised and lowered within the slot. When the sweeper is mopping, the lift mop 2 descends, with a portion protruding from the slot 111 to facilitate mopping. When the sweeper is not mopping, the lift mop 2 rises and is stored in the slot 111.

[0047] The lifting mop 2 includes a mop shield 21 and a roller mop 22. The roller mop 22 is pivotally connected to the mop shield 21 and can rotate relative to the mop shield 21. As needed, a motor can be provided on the mop shield 21, directly connected to the rotating shaft of the roller mop 22 or connected through a transmission mechanism to drive the roller mop 22 to actively rotate. A connecting arm 211 is provided on one side of the mop shield 21, and the connecting arm 211 is hingedly connected to the housing 1. Specifically, the connecting arm 211 is located on the front or rear side of the mop shield 21. An ear plate can be provided on the front or rear wall of the mop storage slot 111, and the connecting arm 211 can be hingedly connected to the ear plate. Alternatively, a slot wall opening can be provided on the front or rear wall of the mop storage slot 111, and the connecting arm 211 can pass through the slot wall opening and be hingedly connected to the mounting structure in the housing 1. The lifting mop 2 can swing up and down around the pivot axis of the connecting arm 211 to achieve the lifting of the lifting mop 2 in the mop storage slot 111. The size of the mop storage slot 111 in the front-to-back direction is larger than the size of the lifting mop 2 in the front-to-back direction to meet the lifting mop 2 swinging up and down in the mop storage slot 111.

[0048] The driving mechanism 3 is connected to the shell 1. The driving mechanism 3 is located outside the mop storage groove 111 and does not occupy the space of the mop storage groove 111. The output end of the driving mechanism 3 is connected to the mop shield 21 to drive the lifting mop 2 to swing and rise and fall in the mop storage groove 111.

[0049] The driving mechanism 3 can be a cylinder, which is hinged to the housing 1 and located above the top plate 112 of the mop storage slot 111. The piston rod of the cylinder extends into the mop storage slot 111 and is hinged to the mop shield 21. The cylinder drives the lifting mop 2 to swing and rise in the mop storage slot 111 by extending and retracting the piston rod.

[0050] The driving mechanism 3 can be a motor, which is installed around the connecting arm 211 and is connected to the pivot shaft of the connecting arm 211 through a transmission mechanism. The forward and reverse rotation of the motor drives the lifting mop 2 to swing and rise in the mop storage groove 111.

[0051] The drive mechanism 3 can also be a motor-screw mechanism. The motor is hinged to the housing 1 and is located above the top plate 112 of the mop storage slot 111. An internal threaded hole is provided at a suitable position on the mop shield 21. One end of the screw is connected to the motor shaft, and the other end extends into the mop storage slot 111 and is threadedly connected to the internal threaded hole. The forward and reverse rotation of the motor drives the lifting mop 2 to swing and rise in the mop storage slot 111.

[0052] The drive mechanism 3 can also utilize a combination of a torsion spring and a lifting assembly. The torsion spring is connected between the housing 1 and the connecting arm 211 and is used to drive the lifting mop 2 to swing downward within the mop storage slot 111. The lifting assembly includes a pull cord, a pull cord retractable turntable, and a motor. The motor and pull cord retractable turntable are mounted on top of the top plate 112. One end of the pull cord is connected to the pull cord retractable turntable, while the other end of the pull cord extends into the mop storage slot 111 and connects to the mop shield 21. The pull cord is wound around the storage slot of the pull cord retractable turntable. By rotating the motor forward and reverse, the pull cord can be released and retracted, causing the lifting mop 2 to swing downward and upward within the mop storage slot 111.

[0053] The lifting mop device provided in the present application adopts a swinging and lifting arrangement of the lifting mop 2. It is hinged to the shell 1 through the connecting arm 211, and no special lifting bracket is required, which simplifies the structure. The connecting arm 211 is located at the front / rear side of the mop shield 21 and no longer occupies the height dimension, which is conducive to reducing the thickness of the product.

[0054] In one embodiment, as shown in FIG8-9 , a plurality of connecting arms 211 are provided at intervals on one side of the mop shield 21 , and each connecting arm 211 is hinged to the housing 1 , thereby improving the hinge stability between the mop shield 21 and the housing 1 .

[0055] In one embodiment, as shown in Figures 1 and 6, the shell 1 includes a bottom shell 11 and a top shell 12 detachably connected to the bottom shell 11, the mop storage groove 111 is provided at the bottom of the bottom shell 11, and the driving mechanism 3 is installed in the space formed by the bottom shell 11 and the top shell 12.

[0056] In this embodiment, the housing 1 includes a bottom shell 11 and a top shell 12, connected to the bottom shell 11 by snaps, pins, etc. A mop storage slot 111 is provided at the bottom of the bottom shell 11. A certain installation space is formed between the bottom shell 11 and the top shell 12, and the drive mechanism 3 is installed in the installation space to prevent leakage of the drive mechanism 3 and provide protection.

[0057] In one embodiment, as shown in FIG. 9-10 , the housing 1 includes a connecting bracket 13 . The connecting bracket 13 is located on one side of the mop storage slot 111 , and the connecting arm 211 is hinged to the connecting bracket 13 .

[0058] In this embodiment, the housing 1 further includes a connecting bracket 13 for assembly with the connecting arm 211. The connecting bracket 13 is located in front of or behind the mop storage slot 111. Specifically, the connecting bracket 13 is connected to or integrally formed with the bottom housing 11. The connecting arm 211 extends toward the connecting bracket 13. The mop storage slot 111 has a wall opening for the connecting arm 211 to pass through. The connecting arm 211 is hingedly connected to the connecting bracket 13.

[0059] In one embodiment, as shown in FIG10 , the connecting bracket 13 is provided with a bracket groove 131, and the end of the connecting arm 211 is hinged in the bracket groove 131. Specifically, one end of the connecting arm 211 is connected to the bracket groove 131 via a rotating shaft. The bracket groove 131 also serves as a left and right limit for the connecting arm 211, preventing the connecting arm 211 from swinging left and right, thereby improving assembly stability.

[0060] In one embodiment, as shown in Figures 8-9, an elastic element 23 is connected between the shell 1 and the connecting arm 211 for driving the lifting mop 2 to descend, and is used to provide pressure to the descending lifting mop 2 so that the roller mop 22 can better adhere to the ground and improve the mopping effect.

[0061] The elastic element 23 can be a torsion spring, an elastic sheet, etc.

[0062] In one embodiment, as shown in FIG. 6-9 and FIG. 11 , the driving mechanism 3 includes a motor 31 , a rotating wheel 33 and a traction rope 34 .

[0063] The motor 31 is fixedly connected to the housing 1 , and the rotating wheel 33 is pivotally connected to the housing 1 . The rotating wheel 33 is located above the mop storage slot 111 and is in transmission connection with the motor 31 .

[0064] A top plate through hole 113 is provided on the top plate 112 of the mop storage tank 111 .

[0065] One end of the traction rope 34 is connected to the rotating wheel 33 and can be wound around the rotating wheel 33 , and the other end of the traction rope 34 passes through the top plate through hole 113 and is connected to the mop cover 21 .

[0066] In this embodiment, the drive mechanism 3 comprises a motor 31, a rotating wheel 33, and a traction rope 34. The traction rope 34 is connected to the mop cover 21. The traction rope 34 is flexible, preventing vibrations from the roller mop 22 during mopping from being transmitted to the rotating wheel 33 and motor 31, thereby improving the stability of the transmission drive system. The traction rope 34 is flexible and adapts to the swing angle of the mop cover 21, facilitating assembly.

[0067] The motor 31 can be a servo motor or a stepper motor for ease of control. The motor 31 is mounted on the top plate 112. Specifically, a motor mounting slot 114 is provided at the top of the top plate 112, and the motor 31 is mounted in the motor mounting slot 114. The rotating wheel 33 is pivotally mounted on the top plate 112. Specifically, a rotating wheel mounting slot 115 is provided at the top of the top plate 112, and the rotating wheel 33 is pivotally mounted in the rotating wheel mounting slot 115. A top plate through hole 113 is provided in the middle of the top plate 112. One end of the traction rope 34 is connected to the rotating wheel 33, and the other end of the traction rope 34 passes through the top plate through hole 113 and is connected to the mop cover 21. The traction rope 34 can be wound around the rotating wheel 33. The rotating wheel 33 is in transmission connection with the motor 31 , and the motor 31 can drive the rotating wheel 33 to rotate forward and reverse, thereby causing the rotating wheel 33 to rotate forward and reverse to release or tighten the traction rope 34 , so that the lifting mop 2 swings down and swings up in the mop storage slot 111 .

[0068] In one embodiment, as shown in FIG8 and FIG11-12 , the rotating wheel 33 includes a worm gear 331 and a capstan 332 coaxially connected to the worm gear 331 . The rotating shaft of the motor 31 is connected to the worm 32 , and the worm gear 331 is engaged with the worm 32 .

[0069] An annular groove 3321 is provided on the circumferential surface of the winch 332 . One end of the traction rope 34 is connected to the winch 332 and can be wound in the annular groove 3321 .

[0070] In this embodiment, the rotating wheel 33 includes a worm gear 331 and a capstan 332. The capstan 332 is coaxially connected to the top of the worm gear 331. The worm gear 32 is connected to the rotating shaft of the motor 31. The worm gear 331 and the worm gear 32 mesh with each other, thereby driving the capstan 332 to rotate. The circumferential surface of the capstan 332 is provided with an annular groove 3321, which serves as a receiving groove for winding the traction rope 34. One end of the traction rope 34 is connected to the capstan 332, preferably, one end of the traction rope 34 is connected to the annular groove 3321.

[0071] In one embodiment, as shown in FIG. 6 , FIG. 8 - FIG. 9 and FIG. 12 , a limit switch 4 is provided around the rotating wheel 33 in the housing 1 , and the limit switch 4 has an elastic trigger piece 41 .

[0072] A triggering protrusion 3322 for triggering the elastic triggering piece 41 is provided on the edge of the rotating wheel 33 . The triggering protrusion 3322 extends along the radial direction of the rotating wheel 33 .

[0073] In this embodiment, a limit switch 4 is provided on the top plate 112, surrounding the rotating wheel 33. A trigger protrusion 3322 is provided on the edge of the rotating wheel 33. Specifically, the trigger protrusion 3322 is located on the edge of the capstan 332 and protrudes radially. The trigger protrusion 3322 can be a trigger plate or a trigger piece. The end of the trigger protrusion 3322, which is away from the center of the capstan 332, has an arcuate surface to facilitate contact and separation with the elastic trigger piece 41 of the limit switch 4.

[0074] By design, when the trigger protrusion 3322 swings approximately one circle and presses the elastic trigger piece 41, it indicates that the driving mechanism 3 drives the lifting mop 2 to descend / raise to its proper position.

[0075] The limit switch 4 is connected to the control system signal of the sweeping machine. After the elastic trigger piece 41 is pressed and triggered, the limit switch 4 will send a signal to the control system of the sweeping machine, and the control system will then control the motor 31 to stop or reverse rotation.

[0076] An embodiment of the present application provides a sweeping machine, comprising the lifting mop device described in any of the above embodiments. The housing 1 of the lifting mop device is connected to the sweeping machine housing, or the housing 1 of the lifting mop device is part of the sweeping machine housing.

[0077] As needed, the above technical solutions can be combined to achieve the best technical effect.

[0078] The above are only the principles and preferred embodiments of the present application. It should be noted that, for those skilled in the art, on the basis of the principles of the present application, several other modifications can be made, which should also be considered as the scope of protection of the present application.

Claims

1. A lifting mop device, characterized in that: The utility model comprises a housing having a mop storage groove, a lifting mop located in the mop storage groove and capable of swinging and lifting, and a driving mechanism for driving the lifting mop to swing and lift; The lifting mop includes a mop shield disposed in the mop storage slot and a roller mop pivotally connected to the mop shield; A connecting arm is provided on one side of the mop guard, and the connecting arm is hinged to the shell; The driving mechanism is connected to the shell and is located outside the mop storage groove, and the output end of the driving mechanism is connected to the mop shield.

2. The lifting mop device according to claim 1, characterized in that: A plurality of connecting arms are provided at intervals on one side of the mop guard, and each connecting arm is hinged to the shell respectively.

3. The lifting mop device according to claim 1, characterized in that: The housing includes a bottom shell and a top shell detachably connected to the bottom shell. The mop storage groove is arranged at the bottom of the bottom shell. The driving mechanism is installed in a space formed by the bottom shell and the top shell.

4. The lifting mop device according to claim 1, characterized in that: The shell includes a connecting bracket, the connecting bracket is located on one side of the mop storage slot, and the connecting arm is hinged to the connecting bracket.

5. The lifting mop device according to claim 4, characterized in that: The connecting bracket is provided with a bracket groove, and the end of the connecting arm is hinged in the bracket groove.

6. The lifting mop device according to claim 1, characterized in that: An elastic element for driving the lifting mop to descend is connected between the shell and the connecting arm.

7. The lifting mop device according to any one of claims 1 to 6, characterized in that: The driving mechanism includes a motor, a rotating wheel and a traction rope; The motor is fixedly connected to the housing, the rotating wheel is pivotally connected to the housing, the rotating wheel is located above the mop storage slot and is in transmission connection with the motor; A top plate through hole is provided on the top plate of the mop storage tank; One end of the traction rope is connected to the rotating wheel and can be wound around the rotating wheel, and the other end of the traction rope passes through the top plate through hole and is connected to the mop shield.

8. The lifting mop device according to claim 7, characterized in that: The rotating wheel includes a worm gear and a capstan coaxially connected to the worm gear, the rotating shaft of the motor is connected to a worm, and the worm gear is meshed with the worm; An annular groove is provided on the circumferential surface of the winch, and one end of the traction rope is connected to the winch and can be wound in the annular groove.

9. The lifting mop device according to claim 7, characterized in that: A limit switch is provided in the housing around the rotating wheel, and the limit switch has an elastic trigger piece; The edge of the rotating wheel is provided with a triggering protrusion for triggering the elastic triggering piece, and the triggering protrusion extends along the radial protrusion of the rotating wheel.

10. A sweeping machine, characterized in that: The utility model comprises a lifting mop device as claimed in any one of claims 1 to 9.

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