Floor brush components and cleaning equipment

Abstract

The present application relates to a floor brush assembly and cleaning device, comprising a housing, a cleaning assembly, and a support member. The cleaning assembly is disposed within the housing and includes a first roller, a second roller, and a cleaning portion. The first roller and the second roller are spaced apart along a first direction and are both rotatably connected to the housing. A cleaning cloth sleeve is disposed outside the first roller and the second roller, and a mutual transmission structure is formed between the first roller, the second roller, and the cleaning portion. The support member is disposed within the cleaning portion and includes a movable roller and a first elastic component. The movable roller is movably connected to the housing and is transmission-connected to the cleaning portion. One end of the first elastic component is connected to the movable roller, and the other end is connected to the housing. The cleaning portion is in a tensioned state. The first elastic component is used to accumulate a first tensioning force that drives the movable roller to move along the radial direction of the first roller toward the outside of the cleaning portion. The first direction is intersecting with the radial direction. When the cleaning portion becomes loose, the first elastic component releases the first tensioning force to tension the cleaning portion.

Description

Technical Field

[0001] The present application relates to the technical field of household floor scrubbers, and in particular to a floor brush assembly and cleaning equipment. Background Art

[0002] With the changes in the existing social environment and people's pursuit of health, as well as the improvement of living standards, people have higher and higher requirements for their family living environment. In order to better clean the dirty floor and ensure the cleaning quality, the market has seen the emergence of floor washing machines that integrate the functions of washing, mopping and vacuuming. They are effective in cleaning and easy to use.

[0003] A key component of a floor scrubber is the floor brush assembly. A motor drives the roller brush inside the assembly to rotate, bringing it into close contact with the floor, scrubbing away stains. Furthermore, to improve cleaning efficiency, crawler-type roller brush scrubbers have emerged on the market. These typically consist of two rollers, each with a crawler track positioned over the brushes. One roller forms the driving wheel, while the other forms the driven wheel. As the driving wheel rotates, the crawler track drives the driven wheel, creating a continuous motion that efficiently cleans the floor.

[0004] However, after a period of use, the crawler brush track of the crawler brush scrubber may become loose, that is, the track cannot be fully tensioned by the driving wheel and the driven wheel, resulting in poor performance of the scrubber and a poor user experience. Summary of the Invention

[0005] Based on this, the present application addresses the problem of loose tracks on crawler-type roller brush floor scrubbers and proposes a floor brush assembly and a floor scrubber, which have the technical effect of being able to keep the tracks taut at all times.

[0006] A floor brush assembly, comprising:

[0007] A cleaning assembly is disposed in the housing, comprising a first roller, a second roller, and a cleaning portion, wherein the first roller and the second roller are spaced apart along a first direction and are both rotatably connected to the housing, the cleaning portion is sleeved outside the first roller and the second roller, and a mutual transmission structure is formed among the first roller, the second roller, and the cleaning portion;

[0008] A support member is provided in the cleaning portion, the support member includes a movable roller and a first elastic component, the movable roller is movably connected to the housing and is transmission-connected to the cleaning portion, one end of the first elastic component is connected to the movable roller, and the other end is connected to the housing;

[0009] The cleaning portion is in a tensioned state. In the tensioned state, the first elastic component accumulates a first tensioning force for driving the movable roller to move outward from the cleaning portion along the radial direction of the first roller body. The first direction intersects with the radial direction.

[0010] In one embodiment, the cleaning portion has a non-tensioned state;

[0011] The first elastic component releases the first tensioning force to switch the cleaning portion from a non-tensioned state to a tensioned state.

[0012] In one embodiment, the movable roller includes a first movable roller and a second movable roller movably connected to the housing, the first movable roller and the second movable roller are spaced apart in the radial direction and are both transmission-connected to the cleaning portion;

[0013] The first elastic component is elastically connected between the first movable roller and the second movable roller.

[0014] In one embodiment, the support member further includes a fixing rod connected to the housing and disposed between the first movable roller and the second movable roller in a radial direction. The first elastic assembly includes a first elastic member and a second elastic member, both of which are used to accumulate a first tensioning force.

[0015] The first elastic member is connected between the first roller and the fixed rod, and the second elastic member is connected between the fixed rod and the second movable roller.

[0016] In one embodiment, the first elastic members include at least two, the second elastic members include at least two, and all the first elastic members and all the second elastic members are spaced apart along the axial direction of the first roller body.

[0017] In one embodiment, along the first direction, the support member is disposed between the first roller and the second roller.

[0018] In one embodiment, the floor brush assembly further includes a driving member, which is used to drive the first roller to rotate relative to the shell, and the first roller drives the second roller to rotate through the cleaning portion.

[0019] In one embodiment, the second roller includes a rotating shaft, which is rotatably connected to the housing and movably connected to the housing in the first direction;

[0020] The floor brush assembly further includes a second elastic assembly connected between the housing and the rotating shaft along a first direction;

[0021] In the tensioned state, the second elastic component accumulates a second tensioning force that drives the second roller to move relative to the housing along the first direction outside the cleaning portion.

[0022] In one embodiment, the second elastic component includes a third elastic member and a fourth elastic member, wherein in the first direction, opposite ends of the third elastic member respectively abut against one side of the rotating shaft and the housing, and opposite ends of the fourth elastic member respectively abut against the other side of the rotating shaft and the housing;

[0023] Furthermore, in the first direction, the third elastic member and the fourth elastic member work together to apply a second tensioning force to the rotating shaft to move outward from the cleaning portion.

[0024] In one embodiment, the housing further includes an adjustment slot, and the rotating shaft is disposed in the adjustment slot;

[0025] The third elastic member is connected between the rotating shaft and the first groove wall of the adjusting groove, the fourth elastic member is connected between the rotating shaft and the second groove wall of the adjusting groove, and the first groove wall and the second groove wall are spaced apart along the first direction.

[0026] According to another aspect of the present application, a cleaning device is further provided, comprising a body and a floor brush assembly according to any one of the above embodiments, wherein the floor brush assembly is connected to the body through a shell.

[0027] The above-mentioned floor brush assembly and cleaning assembly form a crawler-type cleaning method. By driving one of the first and second rollers to actively rotate, the cleaning unit can drive the other of the first and second rollers to rotate passively, thereby achieving efficient and continuous cleaning of the floor through the cleaning unit. Furthermore, a support member is provided within the cleaning unit. As the cleaning unit rotates to clean the floor, the movable roller rotates relative to the cleaning unit. If the cleaning unit becomes loose after long-term use, the first elastic component can automatically release the first tensioning force, thereby moving outward in the radial direction of the first roller, thereby tensioning the cleaning unit. This ensures that the cleaning unit remains tensioned at all times, eliminating or reducing a series of adverse reactions caused by loose cleaning units. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A schematic structural diagram of a cleaning device provided in one embodiment of the present application;

[0029] Figure 2 A schematic structural diagram of a floor brush assembly provided in one embodiment of the present application;

[0030] Figure 3 for Figure 2 A partial cross-sectional view of the floor brush assembly provided in ;

[0031] Figure 4 for Figure 2 A schematic diagram of a partial three-dimensional structure of a floor brush assembly provided in ;

[0032] Figure 5 for Figure 2 A first perspective partial planar cross-sectional view of the floor brush assembly provided in;

[0033] Figure 6 for Figure 2 A second perspective partial planar sectional view of the floor brush assembly provided in .

[0034] Figure markings: 1000, cleaning device; 100, floor brush assembly; 10, shell; 11, adjustment slot; 20, cleaning assembly; 21, first roller body; 22, second roller body; 221, rotating shaft; 23, cleaning part; 231, cleaning surface; 30, support member; 31, frame; 311, fixing rod; 32, movable roller; 321, first movable roller; 322, second movable roller; 33, first elastic component; 331, first elastic member; 332, second elastic member; 40, second elastic component; 41, third elastic member; 42, fourth elastic member; 200, body; L1, axial direction; L2, first direction; L3, radial direction. DETAILED DESCRIPTION

[0035] To make the above-mentioned objects, features, and advantages of the present application more clearly understood, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways than those described herein, and those skilled in the art can make similar improvements without violating the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0036] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0037] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of such features. Throughout the description of this application, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0038] In this application, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0039] In this application, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0040] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0041] See Figure 1 The present application provides a cleaning device 1000, including a floor brush assembly 100 and a body 200. One side of the body 200 is connected to the floor brush assembly 100, and the other end forms a handle for conveniently operating the body 200, thereby achieving cleaning of the floor through the floor brush assembly 100.

[0042] Specifically, see Figures 2 to 6The present application provides a floor brush assembly 100, comprising a housing 10, a cleaning assembly 20, and a support member 30. The floor brush assembly 100 is connected to the body 200 of the cleaning device 1000 through the housing 10. The cleaning assembly 20 is disposed within the housing 10 and comprises a first roller 21, a second roller 22, and a cleaning portion 23. The first roller 21 and the second roller 22 are spaced apart along a first direction L2 and are both rotatably connected to the housing 10. A cleaning cloth is sleeved outside the first roller 21 and the second roller 22, and a mutual transmission structure is formed among the first roller 21, the second roller 22, and the cleaning portion 23. By driving one of the first roller 21 and the second roller 22 to actively rotate, the cleaning portion 23 can drive the other of the first roller 21 and the second roller 22 to rotate passively, thereby achieving continuous and efficient cleaning of the floor through the cleaning portion 23.

[0043] The power source for the inter-transmission structure between the first roller 21, the second roller 22, and the cleaning section 23 can be either the first roller 21 or the second roller 22. For example, a driving member can be directly or indirectly connected to the first roller 21. This can then be used to transmit power among the first roller 21, the second roller 22, and the cleaning section 23, achieving simultaneous rotation. This allows the cleaning section 23 to move in contact with the object being cleaned within a surface area between the first roller 21 and the second roller 22, thereby achieving a cleaning effect. Alternatively, the driving member can drive the second roller 22 first, but this is not a limitation in this application.

[0044] Furthermore, the support member 30 is arranged in the cleaning part 23, and the support member 30 includes a movable roller 32 and a first elastic component 33. The movable roller 32 is movably connected to the shell 10 and is transmission-connected to the cleaning part 23. One end of the first elastic component 33 is connected to the movable roller 32, and the other end is connected to the shell 10. The cleaning part 23 has a tensioned state. In the tensioned state, the first elastic component 33 accumulates a first tensioning force for driving the movable roller 32 to move along the radial direction L3 of the first roller body 21 toward the outside of the cleaning part 23. The first direction L2 is arranged to intersect with the radial direction L3.

[0045] The movable roller 32 is capable of self-rotation as the cleaning section 23 rotates to clean the floor. Specifically, the movable roller 32 is rotatably connected to the housing 10 in the axial direction L1 of the movable roller 32. In the radial direction L3 of the movable roller 32, the movable roller 32 is movably connected to the housing 10 via a first elastic component 33. If the cleaning section 23 becomes loose after prolonged use of the cleaning assembly 20, the first elastic component 33 can autonomously release the first tensioning force, thereby pushing the movable roller 32 outward in the radial direction L3 of the first roller body 21, thereby tensioning the cleaning section 23. This ensures that the cleaning section 23 remains tensioned, eliminating or reducing a series of adverse reactions caused by the loosening of the cleaning section 23.

[0046] Specifically, the first tensioning force is applied to the cleaning portion 23 from the inside of the cleaning portion 23 through the movable roller 32. When the cleaning portion 23 becomes loose, at least part of the area will be untensioned. At this time, the movable roller 32 moves from the inside of the cleaning portion 23 to the outside of the cleaning portion 23, stretching the excess untensioned area of ​​the cleaning portion 23 to ensure that the cleaning portion 23 is tensioned.

[0047] Furthermore, the cleaning portion 23 can be a structure such as an endless belt or an endless track, and a receiving space is formed inside the cleaning portion 23. The surface of the cleaning portion 23 facing away from the receiving space is planted or glued with fluff to form a cleaning surface 231, and the cleaning surface 231 is used to roll and clean the floor. The inner surface of the cleaning portion 23 is flat or has teeth. If the inner surface of the cleaning portion 23 has teeth, the corresponding first roller body 21 and the second roller body 22 also need to have teeth to ensure good transmission. The movable roller 32 is arranged in the receiving space and can also be engaged with the cleaning portion 23 by gear transmission, and the present application is not limited thereto. It is understandable that when a gear meshing method is adopted, if the cleaning portion 23 becomes loose, unstable phenomena such as tooth jumping will occur when the cleaning portion 23 rotates, resulting in a series of adverse phenomena such as shaking and shaking sounds in the floor brush assembly 100.

[0048] In one embodiment, the cleaning portion 23 is in a non-tensioned state, and the first elastic component 33 releases the first tensioning force to switch the cleaning portion 23 from the non-tensioned state to the tensioned state. When the floor brush assembly 100 is cleaning the floor, the cleaning portion 23 needs to be kept in the tensioned state at all times to ensure that the cleaning surface 231 cleans the floor evenly.

[0049] After long-term use, the cleaning portion 23 may age or become misaligned, and the cleaning portion 23 may be in a non-tensioned state. There may be a certain length of excess cleaning portion 23, which may create a certain gap between the movable roller 32 and the cleaning portion 23. At this time, the first elastic component 33 releases the first tensioning force to move the movable roller 32 toward the side close to the cleaning portion 23 until it is completely in contact with the cleaning portion 23 and the excess length of the cleaning portion 23 is stretched open, thereby switching the cleaning portion 23 back to the tensioned state.

[0050] It can be understood that when the cleaning part 23 is in tension, since the cleaning part 23 is clamped around the outer periphery of the floating roller, the first roller body 21 and the second roller body 22, the force applied by the cleaning part 23 to the floating roller is balanced with the first tension force accumulated by the first elastic component 33.

[0051] In one embodiment, see Figure 4 and Figure 5The movable roller 32 includes a first movable roller 32 and a second movable roller 32 movably connected to the shell 10. The first movable roller 32 and the second movable roller 32 are arranged at intervals along the radial direction L3 and are both transmission-connected to the cleaning part 23. The first elastic component 33 is elastically connected between the first movable roller 32 and the second movable roller 32.

[0052] Specifically, in the radial direction L3, the first movable roller 32 and the second movable roller 32 are respectively in driving engagement with opposite side surfaces of the cleaning portion 23, and the first movable roller 32 and the second movable roller 32 are movably connected to the housing 10. The first tensioning force elastically accumulated by the first elastic component 33 acts on the first movable roller 32 and the second movable roller 32, causing the first movable roller 32 and the second movable roller 32 to move away from each other along the radial direction L3, thereby simultaneously expanding the cleaning portion 23 from both sides, further ensuring that the cleaning portion 23 can be quickly switched to the tensioned state.

[0053] It is understood that when the cleaning section 23 is in a tensioned state and cleaning the floor, only transmission rotation occurs between the first movable roller 32, the second movable roller 32, and the cleaning section 23, and no relative movement in the radial direction L3 occurs. At this time, the first movable roller 32 and the second movable roller 32 rotate synchronously relative to the housing 10 under the drive of the cleaning section 23. When the cleaning section 23 is in a non-tensioned state, the first movable roller 32 and the second movable roller 32 move synchronously outward in the radial direction L3 to expand the cleaning section 23 and restore it to a tensioned state.

[0054] Further, see Figure 4 and Figure 5 The support member 30 further includes a fixing rod 311 , both ends of the fixing rod 311 in the longitudinal direction are fixedly connected to the housing 10 , that is, no relative movement occurs between the fixing rod 311 and the housing 10 .

[0055] Specifically, in the radial direction L3, the fixed rod 311 is disposed between the first movable roller 32 and the second movable roller 32. The first elastic assembly 33 includes a first elastic member 331 and a second elastic member 332. The first elastic member 331 is connected between the first roller and the fixed rod 311, and the second elastic member 332 is connected between the fixed rod 311 and the second movable roller 32. Furthermore, the first elastic member 331 and the second elastic member 332 are both used to accumulate a first tensioning force. The first tensioning force accumulated by the first elastic member 331 acts on the first movable roller 32 and is used to drive the first movable roller 32 to move from the interior of the cleaning section 23 to the exterior, thereby expanding the cleaning section 23. The first tensioning force accumulated by the second elastic member 332 acts on the second movable roller 32 and is used to drive the second movable roller 32 to move from the interior of the cleaning section 23 to the exterior, thereby expanding the cleaning section 23.

[0056] In this way, the cleaning section 23 is divided into zones by the setting of the fixed rod 311. Parts of the cleaning section 23 on opposite sides in the radial direction L3 are controlled separately by the first movable roller 32 and the second movable roller 32, respectively, so as to act specifically on the slack cleaning section 23, thereby avoiding the synchronous movement of the first movable roller 32 and the second movable roller 32 to cause tensioning operation on the non-slack portion, so as to ensure the flatness of the cleaning surface 231.

[0057] Specifically, in one embodiment, see Figure 2 and Figure 3 Along the first direction L2, the support member 30 is positioned between the first roller 21 and the second roller 22. The ends of the cleaning section 23 are in driving engagement with the first and second rollers 21, 22, thereby ensuring a transmission relationship between the first and second rollers 21, 22, and the cleaning section 23 to clean the floor. Furthermore, the support member 30 is positioned in the middle of the internal space of the cleaning section 23, thereby expanding the cleaning section 23 from its central position in the first direction L2 to ensure a tensioning effect.

[0058] Specifically, the support member 30 is arranged in the middle part of the internal accommodating space of the cleaning section 23, and the first movable roller 32 and the second movable roller 32 are set to be movable along the radial direction L3, so that the cleaning section 23 can be stretched and opened from the upper surface and lower surface of the cleaning section 23 (the upper surface and the lower surface are based on the bottom of the ground).

[0059] In one embodiment, the first elastic members 331 include at least two, the second elastic members 332 include at least two, and all the first elastic members 331 and all the second elastic members 332 are spaced apart along the axial direction of the first roller body 21 .

[0060] In this way, when the cleaning portion 23 becomes loose, a first tensioning force can be applied to the cleaning portion 23 from various positions in the axial direction of the first roller body 21 to ensure that various parts of the cleaning portion 23 are tensioned quickly and evenly.

[0061] Preferably, see Figure 4 A first elastic member 331 and a second elastic member 332 can be respectively provided at both axial ends of the first roller body 21 in the axial direction L1, and a first elastic member 331 and a second elastic member 332 can also be respectively provided at the middle position in the axial direction L1. In this way, the first tensioning force is applied from at least three positions in the axial direction of the first roller body 21, so that the effect is better.

[0062] In one embodiment, either the first roller 21 or the second roller 22 can be used as a driving wheel. Specifically, in one embodiment, the first roller 21 can be set on the side close to the body 200. The floor brush assembly 100 also includes a driving member, which is arranged inside the side of the shell 10 close to the body 200 for convenient arrangement. The driving member is used to drive the first roller 21 to rotate relative to the shell 10. The first roller 21 drives the second roller 22 to rotate through the cleaning part 23. At this time, the second roller 22 forms a driven wheel. The cleaning part 23 improves the line contact of the traditional single roller to the cleaning surface 231 contact of the present application, and the cleaning efficiency is greatly improved.

[0063] Furthermore, the first roller 21 as the driving wheel is fixedly connected to the housing 10 in a rotational manner and cannot move in other directions, thereby ensuring the transmission effect. Figure 2 and Figure 6 The second roller 22, serving as a driven wheel, includes a rotating shaft 221 that is rotatably connected to the housing 10 and movably connected to the housing 10 in the first direction L2. The floor brush assembly 100 also includes a second elastic component 40 that is connected between the housing 10 and the rotating shaft 221 along the first direction L2. In a tensioned state, the second elastic component 40 accumulates a second tensioning force that drives the second roller 22 to move in the first direction L2.

[0064] The second elastic component 40 and the support member 30 form a double tensioning effect to tension the cleaning part 23. The support member 30 directly acts on the inner surface of the cleaning part 23 to stretch it outward to achieve tension. The second elastic component 40 acts on the second roller body 22 of the driven wheel, and acts on the inner surface of the cleaning part 23 through the second roller body 22 to stretch it outward to achieve tension.

[0065] It can be understood that if the floor brush assembly 100 is placed on the ground, the radial direction L3 can be defined as the direction of gravity, and the first direction L2 can be defined as the horizontal direction. If the floor brush assembly 100 is in a non-tensioned state, the floor brush assembly 100 is picked up, and the support member 30 and the second elastic member 40 can automatically act to tension the cleaning part 23.

[0066] Specifically, the support member 30 and the second elastic component 40 can be provided at the same time, or one of them can be provided selectively, and both can achieve a tensioning effect on the cleaning portion 23 , which is not limited in this application.

[0067] In one embodiment, see Figure 6The second elastic assembly 40 includes a third elastic member 41 and a fourth elastic member 42. In the first direction L2, opposite ends of the third elastic member 41 respectively abut against one side of the rotating shaft 221 and the housing 10, while opposite ends of the fourth elastic member 42 respectively abut against the other side of the rotating shaft 221 and the housing 10. Furthermore, in the first direction L2, the third elastic member 41 and the fourth elastic member 42 work together to apply a second tensioning force to the rotating shaft 221, causing it to move outward from the cleaning portion 23.

[0068] Specifically, the third elastic member 41 is disposed between the fourth elastic member 42 and a surface of the second roller body 22 facing away from the first roller body 21 , and the elastic force provided by the fourth elastic member 42 is greater than the elastic force of the third elastic member 41 .

[0069] In the tensioned state, the sum of the elastic force provided by the third elastic member 41 and the clamping force applied by the cleaning portion 23 to the second roller body 22 is equal to and opposite in direction to the elastic force provided by the fourth elastic member 42, thereby maintaining the balance and stability of the cleaning portion 23. When the cleaning portion 23 relaxes, that is, a gap is created between the cleaning portion 23 and the surface of the second roller body 22 facing away from the first roller body 21, the clamping force applied by the cleaning portion 23 to the second roller body 22 is canceled or reduced, and the elastic force provided by the fourth elastic member 42 is greater than the elastic force provided by the third elastic member 41. The difference in elastic force between the fourth elastic member 42 and the third elastic member 41 forms a second tensioning force, which pushes the second roller body 22 outward to re-establish transmission connection between the second roller body 22 and the cleaning portion 23, thereby tensioning the cleaning portion 23.

[0070] Of course, a fifth elastic member may also be separately provided in the first direction L2 and connected between one side of the second roller body 22 and the housing 10 (not shown in the figures). In this case, the cleaning portion 23 is in transmission connection with the end of the second roller body 22 facing away from the fifth elastic member. In the tensioned state, the second tensioning force provided by the fifth elastic member is equal in magnitude and opposite in direction to the clamping force applied by the cleaning portion 23 to the second roller body 22. When the cleaning portion 23 relaxes, that is, a gap is created between the cleaning portion 23 and the surface of the second roller body 22 facing away from the first roller body 21, the clamping force applied by the cleaning portion 23 to the second roller body 22 is canceled or reduced, and the second tensioning force provided by the fifth elastic member pushes the second roller body 22 outward, thereby re-establishing the transmission connection between the second roller body 22 and the cleaning portion 23, thereby tensioning the cleaning portion 23.

[0071] In one embodiment, see Figure 6 The shell 10 also includes an adjustment slot 11, a rotating shaft 221 is arranged in the adjustment slot 11, and a third elastic member 41 is connected between the rotating shaft 221 and the first slot wall of the adjustment slot 11; the fourth elastic member 42 is connected between the rotating shaft 221 and the second slot wall of the adjustment slot 11, and the first slot wall and the second slot wall are spaced apart along the first direction L2.

[0072] In the tensioned state, the third elastic member 41 and the fourth elastic member 42 are compressed on the first groove wall and the second groove wall respectively. In the non-tensioned state, the elastic force is released, and the fourth elastic member 42 drives the rotating shaft 221 to drive the second roller body 22 to move toward the side close to the third elastic member 41. At this time, the compression amount of the fourth elastic member 42 decreases, and the compression amount of the third elastic member 41 increases.

[0073] The cleaning device 1000 and floor brush assembly 100 provided in the present application, while the cleaning part 23 rotates to clean the floor, the movable roller 32 rotates relative to the cleaning part 23. When the cleaning assembly 20 becomes loose after long-term use, the first elastic component 33 can autonomously release the second tensioning force to tension the cleaning part 23 along the radial direction L3 of the first roller body 21. The second elastic component 40 can autonomously release the second tensioning force to tension the cleaning part 23 outward along the first direction L2 so that the second roller body 22 serving as the driven wheel tensions the cleaning part 23 outward, ensuring that the cleaning part 23 is always in a tensioned state, eliminating or reducing a series of adverse phenomena caused by the loosening of the cleaning part 23.

[0074] The technical features of the above embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0075] The above embodiments merely illustrate several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that a person of ordinary skill in the art may make various modifications and improvements without departing from the spirit of the present application, all of which fall within the scope of protection of the present application. Therefore, the scope of protection of the present patent application shall be determined by the appended claims.

Claims

1. A floor brush assembly, characterized in that: include: Housing (10); A cleaning assembly (20) is provided in the housing (10), the cleaning assembly (20) comprising a first roller (21), a second roller (22) and a cleaning portion (23), the first roller (21) and the second roller (22) being spaced apart along a first direction (L2) and both being rotatably connected to the housing (10), the cleaning portion (23) being sleeved outside the first roller (21) and the second roller (22), and a mutual transmission structure being formed among the first roller (21), the second roller (22) and the cleaning portion (23); A support member (30) is provided in the cleaning portion (23), the support member (30) comprising a movable roller (32) and a first elastic component (33), the movable roller (32) being movably connected to the housing (10) and being transmission-connected to the cleaning portion (23), one end of the first elastic component (33) being connected to the movable roller (32), and the other end being connected to the housing (10); The cleaning portion (23) is in a tensioned state. In the tensioned state, the first elastic component (33) accumulates a first tensioning force for driving the movable roller (32) to move outward from the cleaning portion (23) along a radial direction (L3) of the first roller body (21), and the first direction (L2) and the radial direction (L3) are arranged to intersect. The second roller body (22) comprises a rotating shaft (221), the rotating shaft (221) being rotationally connected to the housing (10) and movably connected to the housing (10) in the first direction (L2); The floor brush assembly (100) further comprises a second elastic assembly (40), wherein the second elastic assembly (40) is connected between the housing (10) and the rotating shaft (221) along the first direction (L2); In the tensioned state, the second elastic component (40) accumulates a second tensioning force that drives the second roller (22) to move relative to the housing (10) along the first direction (L2) toward the outside of the cleaning portion (23).

2. The floor brush assembly according to claim 1, characterized in that: The cleaning portion (23) is in a non-tensioned state; The first elastic component (33) releases the first tensioning force to switch the cleaning portion (23) from the non-tensioning state to the tensioning state.

3. The floor brush assembly according to claim 2, characterized in that: The movable roller (32) comprises a first movable roller (321) and a second movable roller (322) movably connected to the housing (10); the first movable roller (321) and the second movable roller (322) are spaced apart along the radial direction (L3) and are both transmission-connected to the cleaning portion (23); The first elastic component (33) is elastically connected between the first movable roller (321) and the second movable roller (322).

4. The floor brush assembly according to claim 3, characterized in that: The support member (30) further includes a fixing rod (311), the fixing rod (311) being connected to the housing (10) and being arranged between the first movable roller (321) and the second movable roller (322) in the radial direction (L3), the first elastic component (33) including a first elastic member (331) and a second elastic member (332), the first elastic member (331) and the second elastic member (332) both being used to accumulate the first tensioning force; The first elastic member (331) is connected between the first movable roller and the fixed rod (311), and the second elastic member (332) is connected between the fixed rod (311) and the second movable roller (322).

5. The floor brush assembly according to claim 4, characterized in that: The first elastic members (331) include at least two, the second elastic members (332) include at least two, and all of the first elastic members (331) and all of the second elastic members (332) are arranged at intervals along the axial direction of the first roller body (21).

6. The floor brush assembly according to claim 1, characterized in that: Along the first direction (L2), the support member (30) is arranged between the first roller body (21) and the second roller body (22).

7. The floor brush assembly according to claim 1, characterized in that: The floor brush assembly (100) further comprises a driving member, which is used to drive the first roller (21) to rotate relative to the housing (10), and the first roller (21) drives the second roller (22) to rotate via the cleaning portion (23).

8. The floor brush assembly according to claim 1, characterized in that: The second elastic component (40) comprises a third elastic member (41) and a fourth elastic member (42); in the first direction (L2), opposite ends of the third elastic member (41) respectively abut against one side of the rotating shaft (221) and the housing (10), and opposite ends of the fourth elastic member (42) respectively abut against the other side of the rotating shaft (221) and the housing (10); Furthermore, in the first direction (L2), the third elastic member (41) and the fourth elastic member (42) work together to apply the second tensioning force to the rotating shaft (221) to move outward from the cleaning portion (23).

9. The floor brush assembly according to claim 8, characterized in that: The housing (10) further includes an adjustment slot (11), and the rotating shaft (221) is disposed in the adjustment slot (11); The third elastic member (41) is connected between the rotating shaft (221) and a first groove wall of the adjusting groove (11), and the fourth elastic member (42) is connected between the rotating shaft (221) and a second groove wall of the adjusting groove (11), and the first groove wall and the second groove wall are spaced apart along the first direction (L2).

10. A cleaning device, characterized in that: It comprises a body (200) and a floor brush assembly (100) according to any one of claims 1 to 9, wherein the floor brush assembly (100) is connected to the body (200) through the shell (10).

Images