Lifting mop mechanism and sweeper

Abstract

The utility model discloses a lifting mop mechanism and a sweeper. The lifting mop mechanism comprises a mounting bracket, a mop assembly and a driving assembly, a plurality of guide seats are arranged on the mounting bracket, and a guide rail which extends front and back and is arranged in a manner that the front part is high and the rear part is low is arranged in each guide seat. A plurality of connecting arms are arranged on a mop support of the mop assembly, and the upper end of each connecting arm is assembled in one guide seat and is in sliding connection with the guide rail. The driving assembly is located on one side of one guide seat, the driving end of the driving assembly is located in the guide seat, and the driving end drives the connecting arm to slide backwards and downwards along the guide rail so that the cloth dragging assembly can descend. The elastic driving part is assembled in the guide seat and used for driving the connecting arm to slide forwards and upwards along the guide rail so that the mop assembly can be lifted. The guide rail which is high in front and low in rear guides the mop assembly to move up and down and supports the mop assembly, the defect that in the prior art, the mop assembly is pulled completely through an inhaul cable and a pull rope is overcome, the assembly structure is more stable, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of sweeping machines, in particular to a lifting mop mechanism and a sweeping machine. Background Art

[0002] The sweeping machine is a small household appliance that provides convenience for people to clean and has entered thousands of households. The mop of the sweeping machine has a lifting method. The mop is driven by a lifting drive mechanism to control the lifting of the mop. When vacuuming or cleaning, the mop is driven to rise by the lifting drive mechanism, and when mopping the floor, the mop is driven to fall by the lifting drive mechanism to contact the ground to realize the mopping function.

[0003] The Chinese invention patent with publication number CN116058735A discloses a cleaning robot including: a carriage assembly, a driving device, a transmission device and a lifting device. The transmission device is connected between the driving device and the lifting device. The lifting device includes a cable reel, a flexible connector and a one-way bearing, the cable reel is fixed on the rotating shaft, one end of the flexible connector is fixed to the cable reel, and the other end of the flexible connector is connected to the carriage assembly. The flexible connector can be a wire rope, a pull rope or a rope made of other flexible materials. When the rotating motor drives its output end to rotate in a clockwise direction, the one-way bearing drives the rotating shaft to rotate, and the cable reel rotates under the action of the rotating shaft, so that the flexible connector drives the carriage assembly away from the surface to be cleaned, thereby realizing the rising function of the carriage assembly.

[0004] In the prior art, the method of lifting the towing plate assembly by using a cable or a pull rope has the following defects:

[0005] 1. Cables and ropes will rub against the surrounding walls and protrusions, which can easily cause damage and shorten their service life.

[0006] 2. When the pallet assembly is raised, it is completely held by cables and ropes. There is no support underneath the pallet assembly, and the gravity of the pallet assembly is completely on the cables and ropes, which can easily lead to fatigue damage to the cables and ropes and affect their service life. Utility Model Content

[0007] The utility model aims to overcome the deficiencies of the prior art and provides a mop lifting mechanism and a sweeper, wherein a guide rail with a high front and a low rear cooperates with a connecting arm of a mop assembly to guide the lifting and lowering of the mop assembly, a driving end of a driving assembly is used to drive the connecting arm to slide backward and downward along the guide rail to drive the mop assembly to descend, and an elastic driving member is used to drive the connecting arm to slide forward and upward along the guide rail to drive the mop assembly to rise, the guide rail provides support for the mop assembly, and avoids the defect of the prior art that the mop assembly is entirely pulled by cables and ropes, the assembly structure is more stable, and the service life is prolonged.

[0008] The technical solution of the utility model provides a lifting mop mechanism, comprising a mounting bracket, a mop assembly mounted below the mounting bracket, and a driving assembly for driving the mop assembly to move;

[0009] A plurality of guide seats are arranged at intervals on the mounting bracket, and each of the guide seats is provided with a guide rail extending forward and backward and arranged in a manner of being higher in the front and lower in the back;

[0010] The mop assembly includes a mop bracket, a mop detachably connected to the mop bracket, and a plurality of connecting arms connected to the mop bracket;

[0011] The upper end of each connecting arm is assembled in one of the guide seats and is slidably connected to the guide rail;

[0012] The driving end of the driving assembly is located in one of the guide seats and is used to drive the connecting arm to slide backward and downward along the guide rail;

[0013] At least one of the guide seats is equipped with an elastic driving member for driving the connecting arm to slide forward and upward along the guide rail.

[0014] In one of the optional technical solutions, the guide rail is a linear guide rail or a curved guide rail.

[0015] In one of the optional technical solutions, a roller is disposed at the upper end of the connecting arm, and the roller cooperates with the guide rail.

[0016] In one of the optional technical solutions, the guide rail has a guide rail groove, and the roller is located in the guide rail groove.

[0017] In one of the optional technical solutions, two guide rails are spaced apart in the guide seat, and one roller is disposed on opposite sides of the connecting arm respectively;

[0018] The connecting arm gap passes through the gap between the two guide rails, and each of the rollers cooperates with one of the guide rails.

[0019] In one of the optional technical solutions, three guide seats are arranged at intervals on the mounting bracket, and the three guide seats include a first guide seat, a second guide seat and a third guide seat arranged in an isosceles triangle, wherein the second guide seat is located at the rear side of the first guide seat and the third guide seat, and is located on the midline of the first guide seat and the third guide seat;

[0020] The driving assembly is mounted on one side of the second guide seat, and the driving end is assembled in the second guide seat;

[0021] The first guide seat and the third guide seat are respectively equipped with one of the elastic driving members.

[0022] In one of the optional technical solutions, the driving assembly includes a driving motor, and the driving end is a swing arm connected to the driving motor;

[0023] The driving motor is installed on one side of one of the guide seats, and the swing arm extends into the guide seat and is located at the front side of one of the connecting arms to be driven.

[0024] In one of the optional technical solutions, the guide seat includes a guide seat base fixedly connected to the mounting bracket and a guide seat upper cover detachably connected to the guide seat base;

[0025] The guide rail is arranged on the guide seat base, and a guide surface adapted to the guide rail is arranged in the guide seat upper cover, and the guide surface is located above the guide rail.

[0026] In one of the optional technical solutions, the connecting arm is provided with a mounting groove for connecting with one end of the elastic driving member.

[0027] The technical solution of the utility model also provides a sweeping machine, comprising the lifting mop mechanism described in any of the above technical solutions.

[0028] The above technical solution has the following beneficial effects:

[0029] The utility model provides a lifting mop mechanism and a sweeper, comprising a mounting bracket, a mop assembly and a driving assembly. The mounting bracket is provided with a plurality of guide seats, each of which is provided with a guide rail extending forward and backward and arranged in a front-high and rear-low configuration. The mop bracket of the mop assembly is provided with a plurality of connecting arms, the upper end of each connecting arm is assembled in a guide seat and slidably connected with the guide rail. The driving assembly is located on one side of a guide seat, and its driving end is located in the guide seat, and the connecting arm is driven by the driving end to slide backward and downward along the guide rail so that the mop assembly descends. The elastic driving member is assembled in the guide seat, and when the driving assembly drives the driving end to reset, the elastic driving member drives the connecting arm to slide forward and upward along the guide rail so that the mop assembly rises. The guide rail arranged in a front-high and rear-low configuration not only guides the lifting and lowering movement of the mop assembly, but also provides support for the mop assembly, thereby avoiding the defect of the prior art that the mop assembly is entirely pulled by a cable or a pull rope, and the assembly structure is more stable, and the service life is prolonged. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The disclosure of the present invention will become easier to understand with reference to the accompanying drawings. It should be understood that these drawings are only for illustrative purposes and are not intended to limit the scope of protection of the present invention. In the drawings:

[0031] Figure 1 A three-dimensional diagram of a lifting mop mechanism provided in one embodiment of the utility model;

[0032] Figure 2 A top view of a lifting mop mechanism provided in one embodiment of the utility model;

[0033] Figure 3 for Figure 2 Section view along AA direction;

[0034] Figure 4 An exploded view of a lifting mop mechanism provided in one embodiment of the utility model;

[0035] Figure 5 A three-dimensional diagram of a guide rail provided in the guide seat base;

[0036] Figure 6 A bottom view of the guide seat upper cover;

[0037] Figure 7 It is a schematic diagram of the connection between the fixed bracket and the upper cover of the guide seat;

[0038] Figure 8 A three-dimensional diagram showing a roller disposed at the upper end of a connecting arm;

[0039] Fig. 9 A schematic diagram of a connecting arm having a mounting slot. DETAILED DESCRIPTION

[0040] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings. The same parts are represented by the same figure numbers. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0041] like Figure 1-4 As shown, a lifting mop mechanism provided by an embodiment of the utility model comprises a mounting bracket 1, a mop assembly 2 mounted below the mounting bracket 1, and a driving assembly 3 for driving the mop assembly 2 to move.

[0042] A plurality of guide seats 4 are arranged at intervals on the mounting bracket 1 , and each guide seat 4 is provided with a guide rail 43 extending forward and backward and arranged with a front side higher and a rear side lower.

[0043] The mop assembly 2 includes a mop bracket 21 , a mop 22 detachably connected to the mop bracket 21 , and a plurality of connecting arms 23 connected to the mop bracket 21 .

[0044] The upper end of each connecting arm 23 is assembled in a guide seat 4 and is slidably connected to the guide rail 43 .

[0045] The driving end 32 of the driving assembly 3 is located in one of the guide seats 4 and is used to drive the connecting arm 23 to slide backward and downward along the guide rail 43 .

[0046] At least one guide seat 4 is equipped with an elastic driving member 44 for driving the connecting arm 23 to slide forward and upward along the guide rail 43 .

[0047] The lifting mop mechanism provided by the utility model is used to be installed at the bottom of the body of the sweeping machine. The front and rear directions involved in the utility model are defined according to the traveling direction of the sweeping machine.

[0048] The lifting mop mechanism comprises a mounting bracket 1, a mop assembly 2, a driving assembly 3 and a guide seat 4.

[0049] The mounting bracket 1 is used to be connected to the body of the sweeping machine. A cavity may be provided in the body of the sweeping machine to mount the driving assembly 3, the guide seat 4 and the like.

[0050] A plurality of guide seats 4 are arranged at intervals on the mounting bracket 1, and the mounting bracket 1 has openings at positions corresponding to the guide seats 4, for the connecting arm 23 to pass through and enter the guide seats 4. A guide rail 43 is arranged in each guide seat 4. The guide rail 43 extends in the front-to-back direction in the guide seat 4, and the guide rail 43 is arranged in a front-high and rear-low manner, that is, the guide rail 43 is arranged in an inclined manner in the guide seat 43, and the front end of the guide rail 43 is higher than the rear end.

[0051] The mop assembly 2 includes a mop bracket 21, a mop 22 and a plurality of connecting arms 23. The mop bracket 21 can be a flat bracket, and the mop 22 is detachably mounted on the bottom surface of the mop bracket 21. The mop bracket 21 can be a roller bracket, and the mop 22 is a roller mop sleeved on the roller bracket. The top surface or side of the mop bracket 21 is connected to a plurality of connecting arms 23 at intervals. The number and position of the connecting arms 23 correspond to the number and position of the guide seat 4.

[0052] The upper end of each connecting arm 23 is assembled in a guide seat 4 and is slidably connected to the guide rail 43 , so that the connecting arm 23 can slide along the guide rail 43 , thereby driving the mop assembly 2 to move up and down.

[0053] The driving assembly 3 is located on one side of a guide seat 4, and can be mounted on the mounting bracket 1 through a fixing bracket 5. The driving assembly 3 can be a telescopic mechanism, a swing arm mechanism, etc., and the driving end 32 of the driving assembly 3 is the output end of the driving assembly 3, for example, a swing arm, a piston rod, etc. The driving end 32 is loosely fitted in a guide seat 4. When the driving assembly 3 is actuated, the driving end 32 drives the connecting arm 23 to slide backward and downward along the guide rail 43, so that the mop assembly 2 descends. When the upper end of the connecting arm 23 slides to the rear end of the guide rail 43, the mop assembly 2 descends to the extreme position. When the driving end 32 drives one connecting arm 23 to slide, the remaining connecting arms 23 follow, thereby driving the mop assembly 2 to follow as a whole.

[0054] The elastic driving member 44 is assembled in the guide seat 4. Specifically, one elastic driving member 44 can be assembled in one guide seat 4, or one elastic driving member 44 can be assembled in all guide seats 4 except the one assembled with the driving end 32, or one elastic driving member 44 can be assembled in each guide seat 4. The elastic driving member 44 can be a spring, a spring, a torsion spring, etc. When the mop assembly 2 needs to be raised, the driving assembly 3 drives the driving end 32 to reset, and the elastic driving member 44 drives the connecting arm 23 to slide forward and upward along the guide rail 43, so that the mop assembly 2 is raised. When the upper end of the connecting arm 23 slides to the front end of the guide rail 43, the mop assembly 2 rises to the limit position.

[0055] The guide rail 43 arranged higher in the front and lower in the back not only guides the lifting movement of the mop assembly 2, but also provides support for the mop assembly 2, avoiding the defect of the prior art that the mop assembly 2 is entirely held by cables and ropes, making the assembly structure more stable and extending the service life.

[0056] In one embodiment, if Figure 3-5 As shown, the guide rail 43 is a linear guide rail or an arc guide rail, providing different installation methods. The linear guide rail is designed to make the mop assembly 2 relatively stable during the entire lifting process. The arc guide rail is designed to make the mop assembly 2 relatively smooth in the first half of the lifting process, so that the elastic driving member 44 drives the mop assembly 2 to start moving.

[0057] In one embodiment, if Figure 4 and Figure 8 As shown, the upper end of the connecting arm 23 is provided with a roller 24, and the roller 24 cooperates with the guide rail 43. The roller 24 is installed at the upper end of the connecting arm 23 through the rotating shaft 25, and the roller 24 falls on the guide rail 43 and rolls on the guide rail 43, changing the sliding friction between the connecting arm 23 and the guide rail 43 into rolling friction, reducing the friction force, and facilitating the sliding of the connecting arm 23 relative to the guide rail 43.

[0058] In one embodiment, if Figure 5As shown, the guide rail 43 has a guide rail groove 431, and the roller 24 is located in the guide rail groove 431, which can prevent the roller 24 from being separated from the guide rail 43, thereby improving the assembly stability.

[0059] In one embodiment, if Figure 5 and Figure 8 As shown, two guide rails 43 are arranged at intervals in the guide seat 4, and a roller 24 is respectively arranged on the opposite sides of the connecting arm 23.

[0060] The connecting arm 23 passes through the gap between the two guide rails 43 , and each roller 24 cooperates with one guide rail 43 .

[0061] The cooperation between the two rollers 24 and the two guide rails 43 further improves the stability of driving the connecting arm 23 to move.

[0062] In one embodiment, if Figure 1-4 As shown, three guide seats 4 are arranged at intervals on the mounting bracket 1, and the three guide seats 4 include a first guide seat 4-1, a second guide seat 4-2 and a third guide seat 4-3 arranged in an isosceles triangle, wherein the second guide seat 4-2 is located at the rear side of the first guide seat 4-1 and the third guide seat 4-3, and is located on the center line of the first guide seat 4-1 and the third guide seat 4-3.

[0063] The driving assembly 3 is installed on one side of the second guide seat 4-2, and the driving end 32 is assembled in the second guide seat 4-2.

[0064] An elastic driving member 44 is respectively installed in the first guide seat 4-1 and the third guide seat 4-3.

[0065] In this embodiment, the mop bracket 21 is arched, and a connecting arm 23 is respectively provided at both end regions and the rear end region thereof, and the three connecting arms 23 are arranged in an isosceles triangle. Correspondingly, the mounting bracket 1 is also roughly arched, and a guide seat 4 is respectively installed at both end regions and the rear end region thereof, and the three guide seats 4 are arranged in an isosceles triangle. The three guide seats 4 are respectively named as a first guide seat 4-1 at one end region, a second guide seat 4-2 at the rear end region, and a third guide seat 4-3 at another end region.

[0066] The driving assembly 3 is installed on one side of the second guide seat 4-2, and the driving end 32 is assembled in the second guide seat 4-2. When the driving assembly 3 is actuated, the driving end 32 drives the middle connecting arm 23 to move, so as to drive the mopping assembly 2 to move backward and downward smoothly.

[0067] The first guide seat 4-1 and the third guide seat 4-3 are respectively equipped with an elastic driving member 44. When the driving assembly 3 drives the driving end 32 to reset, the elastic driving members 44 on both sides simultaneously drive the connecting arms 23 at both ends to move, so as to drive the mop assembly 2 to move forward and upward smoothly.

[0068] In one embodiment, if Figure 3-4 As shown, the driving assembly 3 includes a driving motor 31 , and the driving end 32 is a swing arm 321 connected to the driving motor 31 .

[0069] The driving motor 31 is installed on one side of a guide seat 4, and the swing arm 321 extends into the guide seat 4 and is located in front of a connecting arm 23 to be driven.

[0070] In this embodiment, the driving assembly 3 uses a driving motor 31, such as a stepping motor or a servo motor. The driving end 32 uses a swing arm 321, which is connected to the output shaft of the driving motor 31 and driven by the driving motor 31 to swing the swing arm 321 in the guide seat 4. The swing arm 321 extends into the guide seat 4 and is located in front of a connecting arm 23 to be driven. Figure 3 As shown, when the mop assembly 2 needs to be driven to descend, the drive motor 31 drives the swing arm 321 to rotate counterclockwise, and the swing arm 321 drives the connecting arm 23 to move backward and downward along the guide rail 43. When the mop assembly 2 needs to be driven to ascend, the drive motor 31 drives the swing arm 321 to rotate clockwise, and the swing arm 321 no longer applies pressure to the connecting arm 23, so that the elastic drive member 44 drives the connecting arm 23 to move forward and upward along the guide rail 43.

[0071] In one embodiment, if Figure 4-6 As shown, the guide seat 4 includes a guide seat base 41 fixedly connected to the mounting bracket 1 and a guide seat upper cover 42 detachably connected to the guide seat base 41 .

[0072] The guide rail 43 is disposed on the guide seat base 41 , and a guide surface 421 adapted to the guide rail 43 is disposed in the guide seat upper cover 42 , and the guide surface 421 is located above the guide rail 43 .

[0073] In this embodiment, the guide seat 4 is composed of a guide seat base 41 and a guide seat upper cover 42. The guide seat base 41 is fixedly connected to the mounting bracket 1, and the guide seat upper cover 42 is detachably mounted on the guide seat base 41. An opening is provided on the guide seat upper cover 42 to observe the internal assembly state. The guide rail 43 is provided on the side plate of the guide seat base 41, and a guide surface 421 adapted to the guide rail 43 is provided in the guide seat upper cover 42. The guide surface 421 is located above the guide rail 43, thereby playing a role in limiting the upper end of the connecting arm 23 or the roller 24.

[0074] like Figure 7As shown, the fixed bracket 5 is connected or integrally arranged with a guide seat upper cover 42. The fixed bracket 5 has a mounting cavity 51 for mounting the drive motor 31. The top surface of the guide seat upper cover 42 is provided with an opening 422 for the drive end 32 and the swing arm 322 to extend into the guide seat 4.

[0075] In one embodiment, if Fig. 9 As shown, the connecting arm 23 is provided with a mounting groove 231 for connecting with one end of the elastic driving member 44, so that one end of the elastic driving member 44 is inserted into the mounting groove 231. The other end of the elastic driving member 44 is fixedly connected to the guide seat 4, for example, a mounting hole can be opened on the side plate of the guide seat upper cover 42 to install the other end of the elastic driving member 44. In this embodiment, the elastic driving member 44 is preferably a torsion spring for easy assembly.

[0076] An embodiment of the utility model provides a sweeping machine, comprising the lifting mop mechanism described in any of the above embodiments. The lifting mop mechanism is located in the rear half of the sweeping machine body, and the mounting bracket 1 is connected to the sweeping machine body.

[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 invention. It should be noted that, for those skilled in the art, on the basis of the principles of the present invention, several other modifications can be made, which should also be considered as the protection scope of the present invention.

Claims

1. A lifting mop mechanism, characterized in that: It includes a mounting bracket, a mop assembly mounted below the mounting bracket, and a driving assembly for driving the mop assembly to move; A plurality of guide seats are arranged at intervals on the mounting bracket, and each of the guide seats is provided with a guide rail extending forward and backward and arranged in a manner of being higher in the front and lower in the back; The mop assembly includes a mop bracket, a mop detachably connected to the mop bracket, and a plurality of connecting arms connected to the mop bracket; The upper end of each connecting arm is assembled in one of the guide seats and is slidably connected to the guide rail; The driving end of the driving assembly is located in one of the guide seats and is used to drive the connecting arm to slide backward and downward along the guide rail; At least one of the guide seats is equipped with an elastic driving member for driving the connecting arm to slide forward and upward along the guide rail.

2. The lifting mop mechanism according to claim 1, characterized in that: The guide rail is a linear guide rail or an arc guide rail.

3. The lifting mop mechanism according to claim 1, characterized in that: The upper end of the connecting arm is provided with a roller, and the roller cooperates with the guide rail.

4. The lifting mop mechanism according to claim 3, characterized in that: The guide rail has a guide rail groove, and the roller is located in the guide rail groove.

5. The lifting mop mechanism according to claim 3, characterized in that: Two guide rails are arranged at intervals in the guide seat, and one roller is disposed on opposite sides of the connecting arm respectively; The connecting arm gap passes through the gap between the two guide rails, and each of the rollers cooperates with one of the guide rails.

6. The lifting mop mechanism according to any one of claims 1 to 5, characterized in that: The mounting bracket is provided with three guide seats at intervals, and the three guide seats include a first guide seat, a second guide seat and a third guide seat arranged in an isosceles triangle, wherein the second guide seat is located at the rear side of the first guide seat and the third guide seat, and is located on the midline of the first guide seat and the third guide seat; The driving assembly is mounted on one side of the second guide seat, and the driving end is assembled in the second guide seat; The first guide seat and the third guide seat are respectively equipped with one of the elastic driving members.

7. The lifting mop mechanism according to any one of claims 1 to 5, characterized in that: The driving assembly includes a driving motor, and the driving end is a swing arm connected to the driving motor; The driving motor is installed on one side of one of the guide seats, and the swing arm extends into the guide seat and is located at the front side of one of the connecting arms to be driven.

8. The lifting mop mechanism according to any one of claims 1 to 5, characterized in that: The guide seat comprises a guide seat base fixedly connected to the mounting bracket and a guide seat upper cover detachably connected to the guide seat base; The guide rail is arranged on the guide seat base, and a guide surface adapted to the guide rail is arranged in the guide seat upper cover, and the guide surface is located above the guide rail.

9. The lifting mop mechanism according to any one of claims 1 to 5, characterized in that: The connecting arm is provided with a mounting groove for connecting with one end of the elastic driving member.

10. A sweeping machine, characterized in that: The invention comprises the lifting mop mechanism according to any one of claims 1 to 9.

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