CN211883615U

CN211883615U - Ground cleaning device

Info

Publication number: CN211883615U
Application number: CN201921267443.1U
Authority: CN
Inventors: 王旭宁; 姜新勇
Original assignee: Sharkninja China Technology Co Ltd
Current assignee: Sharkninja China Technology Co Ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-11-10
Anticipated expiration: 2029-08-07

Abstract

The utility model provides a ground cleaning device, including main part and supporting wheel, main part bottom is equipped with the wiper with the at least partial region of ground opposite face, the main part lower part is equipped with wiper bearing structure, the wiper passes through fixture to be fixed wiper bearing structure lower surface, fixture includes the holding piece and is used for providing the elastic element of packing force to the holding piece. The elastic pressing mode is used for fixing the wiping cloth, so that the disassembling and assembling operation becomes convenient and rapid, the wiping cloth which can be used for several times or can be sequentially polished is supported, the wiping cloth is mainly made of materials which are easy to obtain and low in manufacturing cost, the cleaning operation is avoided, and the use convenience is improved.

Description

Ground cleaning device

Technical Field

The utility model relates to a surface cleanness such as indoor ground, concretely relates to ground cleaning device.

Background

With the progress of science and technology and the social development, particularly under the influence of the acceleration of life rhythm and the increase of working pressure, people hope to be more free from the complicated daily cleaning affairs of families.

Various automatic and intelligent cleaning devices have been developed, wherein a floor mopping robot is taken as one of the cleaning robots, the target users of the floor mopping robot are all families, the main target is to replace the traditional mop, and the labor intensity of the family cleaning operation is reduced.

The current floor mopping robot is generally equipped with a water box and a spraying device, which sprays water uniformly and then completes the floor mopping through a wiping piece attached to the bottom of the robot, such as a rag or a mop cloth. Still another product is that the function of mopping the ground has been integrated to the robot of sweeping the floor, in order to improve the effect of sweeping the robot of sweeping the floor, has mostly possessed the function of mopping the ground. Dust which can not be seen by naked eyes in the room environment can be wet and mopped up,

the mopping robot with single function and the sweeping robot integrating mopping function are generally fixed on a main machine of the sweeper through a fastening tape (also known as 'magic tape') structure in a mode of installing a rag or a mop, the mop needs to be of a double-layer double-sided structure, and one side of the mop has hydrophilicity and is used for mopping the floor; the other surface is a female surface of the fastening tape and can be adhered with a male surface of the fastening tape arranged on the host machine, so that fixation is realized.

In the above-described existing product structure, one cleaning operation is often completed, the cleaning cloth or mop becomes dirty, the user is required to disassemble and clean the cleaning cloth, the operation is very complicated, and the sticky buckle is disassembled and cleaned for many times, and the damage and the failure are easy to occur, so that the mop cannot be reliably fixed at the bottom of the floor mopping robot or the floor sweeping robot.

Therefore, there is a need to optimize and improve the structure of the existing products, and the floor mopping robot and the floor sweeping robot are both required to be compact and light in structure, so that the arrangement of a complicated structure on the device is not suitable.

The above description is included in the technical recognition scope of the utility model, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a ground cleaning device compresses tightly cleaning element such as fixed rag, mop through the elastic force application, dismouting can swiftly, and the unit is cleaned in convenient adoption throwing, has saved loaded down with trivial details, hard ground cleaning element dismantlement, washing, the operation of reloading.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the floor cleaning device comprises a main body and supporting wheels, wherein a wiping cloth is arranged on at least partial area of the surface, opposite to the ground, of the bottom of the main body, a wiping cloth supporting structure is arranged on the lower portion of the main body, the wiping cloth is fixed to the lower surface of the wiping cloth supporting structure through a clamping mechanism, and the clamping mechanism comprises clamping pieces and elastic elements used for providing pressing force for the clamping pieces.

In a preferred embodiment, the wiper support structure comprises a mounting plate and a wiper fixing plate, the upper part of the mounting plate is connected with the main body, the lower part of the mounting plate is detachably connected with the wiper fixing plate, and the clamping mechanism is arranged on the wiper fixing plate.

In a preferred embodiment, the wiper fixing plate is vertically floatable with respect to the mounting plate.

In a preferred embodiment, the clamping mechanism is arranged on the side wall of the wiper fixing plate, one end of the clamping piece is pivotally connected with the wiper fixing plate through a pivot, and the other end of the clamping piece is far away from or close to or presses against the wiper fixing plate through the pivot or presses against the wiper to fix the wiper relative to the wiper fixing plate.

In a preferred embodiment, the grip tab is formed with a protrusion on an inner side thereof.

In a preferred embodiment, the protrusion is a bar.

In a preferred embodiment, the protrusion is columnar, and the wiping cloth is provided with a limiting hole matched with the protrusion;

the pressing force acts on the protrusion to enable the protrusion to penetrate or be embedded into the limiting hole and to press against or approach the surface of the wiping cloth supporting structure, so that the wiping cloth is fixed relative to the wiping cloth fixing plate.

In a preferred embodiment, one end of the clamping piece is pivotally connected to the wiper fixing plate through a pivot, the elastic element is a torsion spring sleeved on the pivot, and two arms of the torsion spring respectively press against or are fixed to the wiper supporting structure and the clamping piece.

In a preferred embodiment, the elastic element is a compression spring arranged outside the clamping piece, one end of the compression spring is fixed to a support frame arranged outside the clamping piece, and the other end of the compression spring is fixed to or pressed against the outer side surface of the clamping piece.

In a preferred embodiment, the elastic element is a tension spring disposed inside the clamping piece, one end of the tension spring is fixed inside the clamping piece, and the other end of the tension spring is fixed on the outer side surface of the wiper support structure.

By the technical scheme, the wiping piece can be quickly disassembled and assembled by fixing the wiping piece through the pressing force applied by the elastic element capable of applying the counterforce to release, meanwhile, the structure supports the adoption of the disposable wiping piece which is low in cost and easy to obtain, and the wiping piece can be directly abandoned after one or more times of use or dirt is attached to a certain degree, so that a new wiping piece is replaced, the complexity of operation is reduced, and the cleaning of the wiping piece is not needed.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic view of the overall structure of a floor cleaning device according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of a floor cleaning device according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a relevant portion of a stationary wiping unit in the floor cleaning device according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of a relevant portion of a stationary wiping unit in a floor cleaning device according to another embodiment of the present invention.

Fig. 5 is a schematic structural view of a relevant portion of a stationary wiping unit in a floor cleaning device according to yet another embodiment of the present invention.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

It should be noted that 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 thus the scope of the present invention is not limited by the specific embodiments disclosed below.

In addition, in the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. The descriptions of directions and directions such as "front" and "front" generally indicate the traveling direction of the automatically-traveling mopping robot or sweeping robot, and may also indicate the traveling direction of the manually-actuated floor cleaning device during cleaning; the terms "rear" and "rear" refer to directions or orientations opposite to or away from "front" and "front".

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Based on the foregoing explanation of terms, specific structures or implementations of the present invention are described or disclosed in the following embodiments.

In an embodiment, a floor cleaning device is provided, such as a self-propelled mopping robot or sweeping robot, or a cleaning device driven by human power to travel, the traveling principle and structure of the device can refer to the structure shown in fig. 1 and 2, the device is driven by a supporting wheel 300 to travel along a preset track, or travel along a straight line, the track is not set by the present invention. The support wheels 300 comprise, for example, a travel wheel set 301, which has both supporting and walking driving functions, and drives the device to move on the whole on the cleaning surface, and a reversing or guiding unit, such as a rotary spherical support 302, is used to change the direction of the device, and in some other embodiments, universal wheels may be used instead. The traveling gear train 301 may be driven by a motor to realize self-traveling, or a boosting structure such as a long handle (not shown) may be provided on the device body 100 to push or drag the device to move by human power. As mentioned above, the present invention does not relate to the improvement of the walking system, and the related structures are all the conventional technologies in the art, and will not be further described and illustrated herein.

In addition, the floor cleaning device comprises:

the floor cleaning device comprises a wiping cloth 201 which is arranged at least in a partial area of the bottom of the main body 100 and is opposite to the ground, and a wiping cloth supporting structure which is arranged at the bottom of the floor cleaning device, specifically the bottom of the main body 100, wherein the wiping cloth is fixed on the lower surface of the wiping cloth supporting structure through a clamping mechanism 202, the wiping cloth supporting structure provides a supporting surface for the wiping cloth 201 to spread and lay flat, specifically, the clamping mechanism 202 comprises a clamping piece 2021 and an elastic element for providing pressing force to the clamping piece 2021, the pressing force acts on the wiping cloth to enable the wiping cloth to generate static friction with the surface of a supporting unit, and the wiping cloth 201 is fixed relative to the wiping. The pressing force provided by the elastic element can be released by applying force, the pressing force is eliminated, the corresponding static friction force is also eliminated, the wiping cloth 201 can be assembled and disassembled, and the wiping cloth 201 can be replaced conveniently and frequently.

As shown in FIG. 3, the wiper support structure comprises a mounting plate 204 and a wiper fixing plate 203, wherein the upper portion of the mounting plate 204 is connected to the main body 100, and the upper portion of the mounting plate 204 can be connected to the main body by a screw-fitting structure, for example, or can be integrally formed with the main body. The wiper fixing plate 203 is detachably connected with the lower part of the mounting plate 204 through an elastic buckle, alternatively, other structures which are convenient to detach quickly can be selected, for example, a buckle structure, a magnetic attraction structure and the like, and the wiper fixing plate is mainly arranged to be capable of rapidly detaching or assembling the wiper supporting structure for supporting the wiper 201 from the main body without overturning the main body of the device and only needs to lift the rear end of the main body; the clamping mechanism 202 is arranged on the wiping cloth fixing plate 203, and because the wiping cloth fixing plate 203 is detachably connected, when the wiping cloth 201 needs to be replaced, the wiping cloth fixing plate 203 can be detached, and the clamping mechanism 202 arranged on the wiping cloth fixing plate 203 can be operated.

The wiping cloth fixing plate 203 can float up and down relative to the mounting plate 204, the distance between the wiping cloth 201 fixed on the wiping cloth fixing plate 203 and the ground can be reasonably adjusted according to the cleaning degree of the ground, and when the ground is dirty, the wiping cloth fixing plate 203 can be adjusted to enable the wiping cloth 201 fixed on the lower surface of the wiping cloth fixing plate 203 to be tightly attached to the ground, namely, the pressure acting on the vertical direction of the wiping cloth 201 to the ground is increased, and the cleaning efficiency is improved.

The clamping mechanism 202 is arranged on the side wall of the wiping cloth fixing plate 203, and the middle part of the wiping cloth is attached to the bottom of the wiping cloth supporting structure and is relatively fixed by pressing at least two ends of the wiping cloth 201. Of course, the edge of the whole periphery of the wiper may be pressed, or the two ends may not be pressed, referring to fig. 3 to 5, preferably, the clamping piece 2021 is long, when the wiper 201 is fixed, the edge of the wiper 201 contacting with the clamping piece 2021 can be pressed, the contact area of the wiper 201 and the ground is enlarged, after the elastic element in the clamping mechanism 202 for providing the clamping force to the clamping piece applies the clamping force to the clamping piece 2021, the clamping piece 2021 transmits the clamping force to the wiper 201, so that the wiper 201, the surface of the clamping piece 2021 and the surface of the supporting unit generate static friction force, the wiper 201 is fixed relative to the wiper supporting structure by the static friction force, and one end of the clamping piece 2021 is pivotally connected with the outer surface of the wiper fixing plate 203 in the wiper supporting structure by the pivot 2023, and the other end of the clamping piece 2021 can be regarded as the free end being far away from or close to or pressing against the wiper supporting structure by the pivot, or press against the wipe 201 to secure it relative to the wipe support structure. That is, the clamping tab 2021 rotates around the pivot 2023 as the rotation center, and in the first orientation, the free end of the clamping tab 2021 away from the pivoting end is suspended relative to the wiper support structure, and an accommodating space is formed between the free end and the outer side of the wiper support structure; in the second orientation, the free end of the clamping tab 2021 remote from the pivotally connected end is close to or pressed against the wipe support structure, and if the wipe 201 is placed between the wipe support structure and the free end, the wipe 201 is clamped, and the pressing force applied thereto maintains the clamped state, and in the clamped state, the clamping tab 2021 is switched to the first orientation, and the wipe 201 can be removed or replaced.

The wiping cloth 201 can be disposable, is easy to obtain and low in price, can be a single-layer single-side structure, can be a common disposable wiping or cleaning material, such as a non-woven cloth towel, a hydrophilic fabric containing certain cotton fibers and having the thickness of not less than 0.2mm and the like, is matched with a spraying unit 500 comprising a water tank and a spraying pipe system communicated with the water tank, firstly sprays and wets the cleaning surface, and then is wiped by the wiping cloth 201 to carry out mopping operation. In some embodiments, the finished wet tissue is used as a substitute for the wiping cloth 201, and the wiping cloth is thrown away after use, and the spraying operation or the spraying unit is cancelled, so that the wet tissue containing a certain amount of water is directly used for wiping, and the mopping operation is realized.

In fig. 3 to 5, the inside of the clamping piece 2021 is formed with a protrusion, which in one embodiment is a strip shape, and the contact surface is reduced to increase the pressure, so that the pressing force is more reliably applied and the wiping cloth is more firmly fixed.

In another unique embodiment, the protrusion is arranged in a column shape, and the wiping cloth is correspondingly provided with a limit hole matched with the protrusion; in this way, the pressing force acts on the protrusion to enable the protrusion to penetrate or be embedded into the limiting hole and press against or approach the surface of the wiping cloth supporting structure, so that the wiping cloth is fixed relative to the supporting unit through the limiting structure. Compared with the mode that friction force is generated for fixation through pressing, the fixing structure is adopted, the fixation is more reliable, even if the clamping piece 2021 is loosened due to nonresistance factors, the wiping cloth 201 cannot be clamped, and the wiping cloth 201 can also be kept in an original working state due to the fact that the wiping cloth 201 is penetrated through the columnar protrusions on the inner side of the clamping piece 2021.

The types and installation manners of the elastic elements can be varied, and more specific embodiments are described below with reference to the structures illustrated in the related drawings.

As shown in fig. 3, the elastic element is a torsion spring 2022 sleeved on the pivot 2023, and two arms of the torsion spring 2022 are pressed against or fixed to the wiper support structure and the clamping piece 2021 respectively, so as to provide pressing force by twisting accumulated elastic potential energy.

In another embodiment, as shown in fig. 5, the elastic element may also be a pressure spring 2222 disposed outside the clamping piece, one end of the pressure spring 2222 is fixed to a support frame 2224 disposed outside the clamping piece, the other end of the pressure spring 2222 is fixed to or pressed against the outer side surface of the clamping piece, the support frame 2224 is a fixed structure, and elastic potential energy is accumulated by the compression spring to provide a pressing force, when the clamping piece clamps the wiper, the pressure spring 2222 is in a contracted state, and gives a reaction force to the clamping piece 2021 to press the wiper, and the clamping piece 2021 is protected by the outer support frame, so that the clamping piece 2021 cannot easily contact with the outside, and the wiper 201 cannot easily fall off.

In yet another embodiment as shown in fig. 4, the elastic element is, for example, a tension spring 2122 disposed inside the holding piece 2021, one end of the tension spring 2122 is fixedly disposed inside the holding piece 2021, and the other end is fixed outside the wiping cloth supporting structure, and the tension spring stores elastic potential energy to provide pressing force, when the holding piece 2021 holds the wiping cloth, the tension spring 2122 is in a stretching state and gives a reaction to the holding piece 2021 to press the wiping cloth 201, when the wiping cloth 201 needs to be replaced, the wiping cloth 201 will fall off only by stretching the holding pieces 2021 on both sides in opposite directions, thereby facilitating the replacement of the wiping cloth 201.

To sum up, through the introduction of above-mentioned embodiment, can understand the utility model provides a fixed wiper of packing force that the elastic element that reaction force was relieved was applyed to the disclosed ground cleaning device of various embodiments can apply, can carry out the dismouting to the wiper fast, the device supports simultaneously and adopts the polishing wiper that can throw cheap, easily get, through once or repetitious usage, or the foul adheres to and can directly abandon the wiper after reaching the certain degree, the wiper of renewal, reduce the complexity of operation, also need not to carry out the washing of wiper, can reduce the intensity of labour who carries out cleaning operation.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a ground cleaning device, includes main part and supporting wheel, main part bottom and the at least partial region of ground opposite surface are equipped with the wiper, its characterized in that: the lower part of the main body is provided with a wiping cloth supporting structure, the wiping cloth is fixed on the lower surface of the wiping cloth supporting structure through a clamping mechanism, and the clamping mechanism comprises a clamping piece and an elastic element for providing pressing force for the clamping piece.

2. A floor cleaning apparatus as claimed in claim 1, wherein: the wiping cloth supporting structure comprises a mounting plate and a wiping cloth fixing plate, the upper portion of the mounting plate is connected with the main body, the lower portion of the mounting plate is detachably connected with the wiping cloth fixing plate, and the clamping mechanism is arranged on the wiping cloth fixing plate.

3. A floor cleaning apparatus as claimed in claim 2, wherein: the wiper fixing plate can float up and down relative to the mounting plate.

4. A floor cleaning apparatus as claimed in claim 2, wherein: the clamping mechanism is arranged on the side wall of the wiping cloth fixing plate, one end of the clamping piece is in pivot connection with the wiping cloth fixing plate through a pivot, and the other end of the clamping piece is far away from or close to or presses against the wiping cloth fixing plate through pivot, or presses against the wiping cloth to enable the wiping cloth fixing plate to be fixed relative to the wiping cloth fixing plate.

5. A floor cleaning apparatus according to claim 1, wherein the grip tab is formed with a protrusion on an inner side thereof.

6. A floor cleaning apparatus according to claim 5, wherein the projections are bar-shaped.

7. A floor cleaning apparatus according to claim 5, wherein the projection is cylindrical and the wipe has a retaining hole for engaging the projection;

8. A floor cleaning apparatus according to any one of claims 1 to 7, wherein one end of the retaining plate is pivotally connected to the wiper fixing plate via a pivot, the resilient member is a torsion spring sleeved on the pivot, and two arms of the torsion spring are pressed against or fixed to the wiper support structure and the retaining plate, respectively.

9. A floor cleaning apparatus according to any one of claims 1 to 7, wherein the resilient member is a compression spring disposed outside the retaining member, one end of the compression spring being secured to a support frame disposed outside the retaining member and the other end of the compression spring being secured to or pressed against the outer side of the retaining member.

10. A floor cleaning apparatus according to any one of claims 1 to 7, wherein the resilient member is a tension spring disposed on the inside of the retaining member, the tension spring having one end secured to the inside of the retaining member and the other end secured to the outside of the wipe support structure.