CN211299800U - A cleaning device that is used for scrubbing brush subassembly of cleaning device and has it - Google Patents

Abstract

The utility model discloses a cleaning equipment that is used for cleaning equipment's scrubbing brush subassembly and has it, the scrubbing brush subassembly includes: the casing, the round brush, drive assembly and tensioning assembly, drive assembly includes the motor, first drive wheel and first drive belt, the motor directly or indirectly drives first drive wheel and rotates, first drive belt is around establishing on round brush and first drive wheel, and rotate through first drive wheel drive round brush when the tensioning, tensioning assembly includes the take-up pulley, lever mechanism and controlling device, the take-up pulley is located on lever mechanism and is made lever motion along with lever mechanism, controlling device controls lever mechanism and makes lever motion between first state and second state, when lever mechanism moves to first state, the first drive belt of take-up pulley tensioning, when lever mechanism moves to the second state, the first drive belt of take-up pulley relaxation. According to the utility model discloses a rotation and stall that are used for cleaning device's scrubbing brush subassembly, simple structure, with low costs can simply and realize the round brush effectively.

Description

A cleaning device that is used for scrubbing brush subassembly of cleaning device and has it

Technical Field

The utility model belongs to the technical field of the cleaning device technique and specifically relates to a cleaning device who is used for cleaning device's scrubbing brush subassembly and has it.

Background

In some dust collectors in the related art, the motor drives the rolling brush to rotate through the belt, and in the cleaning process, in order to realize that the rolling brush can rotate and does not rotate as required by a user, a clutch special for the rolling brush needs to be arranged.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a scrubbing brush subassembly for cleaning device, the simple structure of scrubbing brush subassembly, with low costs can simply and realize the rotation and the stall of round brush effectively.

The utility model discloses still provide a cleaning device who has above-mentioned scrubbing brush subassembly.

According to the utility model discloses a scrubbing brush subassembly for cleaning device of first aspect includes: a housing; the rolling brush can be arranged on the shell in a rolling manner; the driving assembly comprises a motor, a first driving wheel and a first transmission belt, the motor directly or indirectly drives the first driving wheel to rotate, the first transmission belt is wound on the rolling brush and the first driving wheel, and the rolling brush is driven to rotate by the first driving wheel when being tensioned; the tensioning assembly comprises a tensioning wheel, a lever mechanism and an operating and controlling device, the tensioning wheel is arranged on the lever mechanism and performs lever motion along with the lever mechanism, the operating and controlling device controls the lever mechanism to perform lever motion between a first state and a second state, when the lever mechanism moves to the first state, the tensioning wheel tensions the first transmission belt, and when the lever mechanism moves to the second state, the tensioning wheel loosens the first transmission belt.

According to the utility model discloses a rotation and stall that are used for cleaning device's scrubbing brush subassembly, simple structure, with low costs can simply and realize the round brush effectively.

In some embodiments, the floor brush assembly further comprises: a lifting device adapted to support the ground, the lifting device cooperating with the housing and the manipulation device, respectively, the manipulation device being configured to: and when the control device controls the lever mechanism to move from the second state to the first state, the control device is linked with the shell to drive the rolling brush to be lifted relative to the lifting device.

In some embodiments, the lever mechanism comprises: the lever body rotates around a fulcrum, one end of the first shifting lever is connected with the lever body, the other end of the first shifting lever is provided with the tensioning wheel, one end of the second shifting lever is connected with the lever body, and the other end of the second shifting lever is matched with the control device.

In some embodiments, the lever body includes a first moment arm and a second moment arm on either side of the fulcrum, and the first toggle lever and the second toggle lever are both connected to the first moment arm.

In some embodiments, the first shifter lever is located on a side of the second shifter lever away from the fulcrum.

In some embodiments, the first lever and the second lever are distributed on both lateral sides of the first moment arm.

In some embodiments, the lever mechanism comprises: the control device comprises a rotating cylinder, wherein a first sliding rail is arranged on the peripheral wall surface of the rotating cylinder, the first sliding rail extends along the circumferential direction and the axial direction of the rotating cylinder so as to enable the axial heights of two ends of the first sliding rail in the extending direction to be different, one end of the second driving lever is connected with the lever body, and the other end of the second driving lever is matched with the first sliding rail.

In some embodiments, the operating device includes a dial piece, the dial piece is disposed on the outer circumferential surface of the rotary cylinder and extends along a spiral line, a thickness side surface of the dial piece defines the first slide rail, and the lever mechanism further includes a return spring, and the return spring pushes the lever body so that the second dial piece is always in contact fit with the first slide rail.

In some embodiments, the control device further includes a sleeve fixed to the housing and sleeved outside the rotary cylinder.

In some embodiments, the manipulation device further includes a knob disposed at the top of the rotary cylinder, the knob is rigidly connected to the rotary cylinder, and the knob protrudes out of the housing.

In some embodiments, the bottom end of the rotary cylinder is configured as a second slide rail extending along a circumferential direction and an axial direction of the rotary cylinder, so that axial heights of both ends of the second slide rail in an extending direction are different, and the floor brush assembly further includes: the rear end of the lifting frame is hinged to the bottom of the shell through a rotating shaft, the rolling brush is located on the front side of the lifting frame, a matching portion matched with the bottom of the second slide rail is arranged on the lifting frame, and in the process that the rotary cylinder rotates and enables the matching portion to slide from the high end of the second slide rail to the low end of the second slide rail, the rotary cylinder supports the shell to drive the rolling brush to rotate around the rotating shaft in the direction that the rolling brush is lifted.

In some embodiments, the bottom of the second slide rail has a plurality of concave positioning slots distributed at intervals along the circumference of the rotary cylinder, and the top surface of the matching part is configured as a convex positioning part adapted to match with the positioning slots.

In some embodiments, when the lever mechanism is moved to the first state by the rotary drum, the engaging portion is moved to a position engaged with a lower end of the second slide rail, and when the lever mechanism is moved to the second state by the rotary drum, the engaging portion is moved to a position engaged with a higher end of the second slide rail.

In some embodiments, the driving assembly further includes a second driving wheel and a second driving belt, the second driving belt is wound around the first driving wheel and the second driving wheel in a tensioned manner, the motor directly drives the second driving wheel to rotate, the first driving wheel includes a first hub and a second hub which are sequentially arranged along the direction of the rotation axis of the first driving wheel and are rigidly connected, the first driving belt is wound around the first hub, and the second driving belt is wound around the second hub.

According to the utility model discloses cleaning device of second aspect, include according to the utility model discloses a scrubbing brush subassembly for cleaning device of first aspect. According to the utility model discloses a cleaning device is through setting up the scrubbing brush subassembly that is used for cleaning device of above-mentioned first aspect to cleaning device's whole manufacturing cost has been reduced.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a perspective view of a floor brush assembly according to one embodiment of the present invention;

FIG. 2 is an exploded view of a portion of the components of a floor brush assembly according to one embodiment of the present disclosure;

FIG. 3 is a partial block diagram of a floor brush assembly according to one embodiment of the present invention;

FIG. 4 is a partial block diagram of a floor brush assembly according to one embodiment of the present invention;

FIG. 5 is a partial block diagram of a floor brush assembly according to one embodiment of the present invention;

FIG. 6 is a partial block diagram of a floor brush assembly according to one embodiment of the present invention;

fig. 7 is a perspective view of a cleaning device according to an embodiment of the present invention.

Reference numerals:

a floor brush assembly 100; a cleaning device 1000;

a housing 1; a dust suction port 10; an upper case 11; a lower case 12;

a rolling brush 2;

a drive assembly 3;

a motor 31; a first drive wheel 32; a first hub 321; a second hub 322;

a first belt 33; a second drive wheel 34; a second belt 35;

a tension assembly 4;

a tension pulley 41;

a lever mechanism 42; a lever body 421; a first force arm 421 a; a second moment arm 421 b;

a first shift lever 422; a second shift lever 423;

fulcrum 424; a return spring 425;

a manipulation device 43; a rotary cylinder 431; a support table 4311; a second slide rail 4312; the lower end a 1; high end a 2;

a positioning groove 4313; a paddle 432; a first slide rail 4320;

a sleeve 433; a knob 434;

a raising means 5; a lifting frame 50; a rotating shaft 51; the fitting portion 52; a positioning portion 521.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the applicability of other processes and/or the use of other materials.

Hereinafter, a floor brush assembly 100 and a cleaning apparatus 1000 having the same according to an embodiment of the present invention will be described with reference to the accompanying drawings, wherein the type of the cleaning apparatus 1000 is not limited, and may be an upright type cleaner (e.g., fig. 7), a handheld type cleaner, a floor-mopped type cleaner, and the like. When the type of the cleaning apparatus 1000 is determined, those skilled in the art will be able to understand the other configurations and operations of the cleaning apparatus 1000 other than the floor brush assembly 100.

As shown in fig. 1 and 2, the floor brush assembly 100 includes: the device comprises a shell 1, a roller brush 2, a driving assembly 3 and a tensioning assembly 4. Wherein, casing 1 includes the installation cavity, and the bottom of installation cavity has dust absorption mouth 10, and round brush 2 rotationally locates the installation cavity. It should be noted that the housing 1 may be an integrated housing (this example is not shown in the figures), or may be assembled by a plurality of sub-housings, for example, in the example shown in fig. 2, the housing 1 may be assembled by an upper housing 11 and a lower housing 12, so as to facilitate the installation of the brush assembly 100.

Referring to fig. 2, the driving assembly 3 includes a motor 31, a first driving wheel 32 and a first transmission belt 33, the motor 31 directly or indirectly drives the first driving wheel 32 to rotate, the first transmission belt 33 is wound around the roller brush 2 and the first driving wheel 32, and the roller brush 2 is driven to rotate by the first driving wheel 32 when the first transmission belt 33 is tensioned.

As shown in fig. 2, the tensioning assembly 4 includes a tensioning wheel 41, a lever mechanism 42 and an operating device 43, the tensioning wheel 41 is disposed on the lever mechanism 42 and performs a lever motion with the lever mechanism 42, the operating device 43 operates the lever mechanism 42 to perform a lever motion between a first state and a second state, when the lever mechanism 42 moves to the first state, the tensioning wheel 41 tensions the first transmission belt 33, at this time, the motor 31 can drive the roller brush 2 to roll and clean through the first transmission belt 33, when the lever mechanism 42 moves to the second state, the tensioning wheel 41 loosens the first transmission belt 33, at this time, the motor 31 cannot drive the roller brush 2 to roll through the first transmission belt 33, that is, the roller brush 2 stops rotating. It should be noted that the lever movement described herein refers to rotation about the fulcrum 424.

Therefore, according to the utility model discloses the scrubbing brush subassembly 100, can realize through tensioning assembly 4: in the cleaning process, the rolling brush 2 does not rotate without using the rolling brush 2, and the rolling brush 2 rotates when the rolling brush 2 is required to be used. In addition, the tensioning assembly 4 is driven by the lever mechanism 42 to drive the tensioning wheel 41 to move, so that the structure and the assembly of the tensioning assembly 4 can be simplified, the design difficulty is reduced, the cost of the tensioning assembly 4 is reduced, and the action reliability of the tensioning assembly 4 is ensured.

In some embodiments of the present invention, as shown in fig. 2, the driving assembly 3 further includes a second driving wheel 34 and a second driving belt 35, the second driving belt 35 is tensioned and wound around the first driving wheel 32 and the second driving wheel 34, the motor 31 directly drives the second driving wheel 34 to rotate, the first driving wheel 32 includes a first hub 321 and a second hub 322 which are sequentially arranged along the direction of the rotation axis 51 of the first driving wheel 32 and are rigidly connected, the first driving belt 33 is wound around the first hub 321, and the second driving belt 35 is wound around the second hub 322. Therefore, when the motor 31 works, the motor 31 can drive the second driving wheel 34 to rotate, the second driving wheel 34 drives the second hub 322 of the first driving wheel 32 to rotate through the second transmission belt 35, the second hub 322 drives the first hub 321 to synchronously rotate, and when the first transmission belt 33 is tensioned, the first hub 321 can drive the roller brush 2 to rotate through the first transmission belt 33.

Therefore, the motor 31 drives the rolling brush 2 to roll through the two transmission belts, so that the rotating speed of the rolling brush 2 can be effectively ensured to meet the use requirement. Moreover, the motor 31 may be disposed at a position distant from the roll brush 2 as needed, facilitating the structural design of the brush assembly 100. In addition, it should be noted that the types of the first transmission belt 33 and the second transmission belt 35 are not limited, for example, in a specific example of the present invention, the first transmission belt 33 may be a V-shaped belt, and the second transmission belt 35 may be a flat belt. In addition, it should be noted that "rigidly connected" as used herein means that two components are relatively stationary, and may be, for example, a single piece, or welded, or bonded, or fixedly connected by a connecting member, etc.

In some embodiments of the present invention, as shown in fig. 3-4, the lever mechanism 42 includes: the lever comprises a lever body 421, a first shifting lever 422 and a second shifting lever 423, wherein the lever body 421 rotates around a fulcrum 424, one end of the first shifting lever 422 is connected with the lever body 421, the other end of the first shifting lever 422 is provided with a tension wheel 41, one end of the second shifting lever 423 is connected with the lever body 421, and the other end of the second shifting lever 423 is matched with the control device 43. Therefore, when the control device 43 causes the second shift lever 423 to move, the second shift lever 423 can cause the lever body 421 to drive the first shift lever 422 to perform a lever movement, so that the moving first shift lever 422 can drive the tension wheel 41 to perform an action of tensioning or releasing the first transmission belt 33.

Therefore, by designing the lever mechanism 42 in this way, the relative positions of the tension wheel 41 and the control device 43 can be flexibly set, so as to avoid the interference influence of the control device 43 on the movement of the tension wheel 41, and meet the design requirements of different types of floor brush assemblies 100, for example, the control device 43 can be arranged at a position far away from the first transmission belt 33, so that the arrangement position of the first transmission belt 33 conforms to the structural design of the rolling brush 2, and the arrangement position of the control device 43 conforms to the operation convenience requirements of users. It should be noted that lever mechanism 42 may be configured in other configurations, for example, at least one of first toggle 422 and second toggle 423 may not be included, and so on.

In some embodiments, as shown in fig. 3 and 4, the lever body 421 includes a first force arm 421a and a second force arm 421b located at two sides of the fulcrum 424, that is, one of the first force arm 421a and the second force arm 421b is a power arm, and the other is a resistance arm, and the first toggle lever 422 and the second toggle lever 423 are both connected to the first force arm 421a, so that the first toggle lever 422 and the second toggle lever 423 can be lifted and lowered synchronously, thereby reducing the difficulty in designing.

Referring to fig. 3 and 4, the first shift lever 422 may be located on a side of the second shift lever 423 away from the pivot 424, so that when the second shift lever 423 has a small-amplitude motion, the first shift lever 422 may have a large-amplitude motion to satisfy the requirements for tensioning and releasing the first transmission belt 33, and reduce the difficulty in driving the second shift lever 423 by the operating device 43.

As shown in fig. 3 and 4, the first lever 422 and the second lever 423 are disposed on two lateral sides of the first force arm 421a, wherein the lateral direction is a direction parallel to the rotation axis of the lever body 421, so that the relative distance between the tension wheel 41 and the operating device 43 can be increased, the interference of the operating device 43 on the movement of the tension wheel 41 can be avoided, and the design requirements of different types of floor brush assemblies 100 can be met, for example, the first driving belt 33 can be disposed at a position close to the side of the floor brush assembly 100, and the operating device 43 can be disposed at the center of the floor brush assembly 100, so as to facilitate the operation and the internal structural layout of the floor brush assembly 100, and facilitate the operation of a user.

In some embodiments of the present invention, as shown in fig. 4 and 5, the control device 43 includes a rotary cylinder 431, a first sliding rail 4320 is provided on a peripheral wall surface of the rotary cylinder 431, the first sliding rail 4320 extends along a circumferential direction and an axial direction of the rotary cylinder 431, so that axial heights of two ends of the first sliding rail 4320 in an extending direction are different (i.e., two ends of the first sliding rail 4320 are not located on a same cross section of the rotary cylinder 431, or distances from two ends of the first sliding rail 4320 to a bottom surface of the housing 1 are different), the lever mechanism 42 includes the lever body 421 and the second shift lever 423 at this time (in addition, the lever mechanism 42 may include the first shift lever 422 and may not include the first shift lever 422 at this time), one end of the second shift lever 423 is connected to the lever body 421, and the other end of the second shift lever 423 is matched with the first sliding rail 4320. Thus, when the first rotary cylinder 431 rotates around its axis, the second shift lever 423 can be driven to drive the lever body 421 to move through the cooperation of the first sliding rail 4320 and the second shift lever 423, so as to drive the lever mechanism 42 to perform a lever movement. Therefore, according to the embodiment of the present invention, the structure of the control device 43 is ingenious, and the lever mechanism 42 can be driven to make lever movement by the rotation movement of the rotary cylinder 431, so as to drive the tension wheel 41 to make tension and release actions.

It should be noted that the first sliding track 4320 can be formed in an unlimited manner, for example, it can be defined by a slotted hole penetrating through the peripheral wall surface of the rotary cylinder 431, and for example, it can also be defined by a structural member disposed on the peripheral surface of the rotary cylinder 431, for example, in the example shown in fig. 4 and 5, the operating device 43 includes a pick 432, the pick 432 is disposed on the peripheral surface of the rotary cylinder 431 and extends along a spiral line (where the spiral line can be, but is not limited to, a cylindrical spiral line), a thickness side surface of the pick 432 defines the first sliding track 4320 (for example, an upper surface or a lower surface of the pick 432 shown in fig. 4 and 5), the lever mechanism 42 further includes a return spring 425, and the return spring 425 pushes the lever body 421, so that the second pick 423 is always in contact fit with the first sliding track 4320. This ensures that the actuation of the second lever 423 by the actuation device 43 is reliable.

It should be noted that the specific type of the return spring 425 is not limited, and for example, the return spring 425 may be a cylindrical spring, a belleville spring, or a torsion spring, and the arrangement position of the return spring 425 is not limited, and for example, the return spring may be arranged on the same arm as the second shift lever 423 or may be arranged on different arms. For example, in the example shown in fig. 4, when the first toggle lever 422 and the second toggle lever 423 are both connected to the first force arm 421a, and the fulcrum 424 may be a rotating shaft, the return spring 425 may be a torsion spring wound around the rotating shaft, one protruding end of the torsion spring is supported on a structural member stationary relative to the fulcrum 424, and the other protruding end of the torsion spring applies a lifting elastic force to the second force arm 421b, so that the first force arm 421a is subjected to a falling elastic force, and thus the second toggle lever 423 can be always pressed on the first sliding rail 4320.

In some embodiments of the present invention, as shown in fig. 4 and 5, the control device 43 may further include a sleeve 433, the sleeve 433 is fixed to (directly or indirectly fixed to) the housing 1 and the sleeve is sleeved outside the rotary cylinder 431, thereby simply and effectively ensuring that the rotary cylinder 431 rotates around its axis, so that a bottom bearing seat or a top bearing seat, etc. need not to be provided, and further the structure can be simplified, and the bottom and the top of the rotary cylinder 431 can be provided with functional structural components.

In some embodiments of the present invention, as shown in fig. 4 and 5, the housing 1 has a through hole, the manipulating device 43 further includes a knob 434 disposed at the top of the rotary cylinder 431, the knob 434 penetrates out of the housing 1 through the through hole, and the knob 434 is rigidly connected to the rotary cylinder 431 (as mentioned above, "rigidly connected" means that two components are relatively stationary, and may be, for example, a single piece, or welded, or bonded, or fixedly connected by a connecting member, etc.). Thus, the user can control the rotation and stop of the drum brush 2 by turning the knob 434, so that the operation can be simplified. Also, by rotating the knob 434, the rotary cylinder 431 can be very simply rotated. Of course, the present invention is not limited to this, and the knob 434 may be replaced by a button or the like, and the button and the rotary cylinder 431 may be engaged with each other through a wedge surface, so that the pressing action of the button may be converted into the rotation action of the rotary cylinder 431.

In some embodiments of the present disclosure, the floor brush assembly 100 may further include a lifting device 5, the lifting device 5 is adapted to support the ground (for example, in some examples, the lifting device 5 may include a roller for supporting the ground to ensure that the floor brush assembly 100 can smoothly run on the ground), the lifting device 5 is respectively matched with the casing 1 and the operating device 43, and the operating device 43 is configured to: in the process that the control device 43 controls the lever mechanism 42 to move from the second state to the first state, the control device 43 is matched with the lifting device 5 and the lifting device 5 is matched with the shell 1, and the shell 1 is linked to drive the rolling brush 2 to lift relative to the lifting device 5. That is, the dust suction port 10 can be raised with respect to the floor surface during the rotation of the drum brush 2 from the stop, and since the drum brush 2 is rotatably mounted to the housing 1, the drum brush 2 is also raised with respect to the floor surface, so that the frictional resistance between the drum brush 2 and the floor surface can be reduced. Therefore, the control device 43 has dual functions, not only can control whether the rolling brush 2 rolls, but also can realize the lifting and falling of the rolling brush 2 relative to the ground, thereby enriching the functions of the control device 43, improving the structure compactness and simplifying the whole structure of the floor brush assembly 100.

It should be noted that the specific type of the raising means 5 is not limited, for example, a specific structure of the raising means 5 will be given later, but the present invention is not limited thereto. Referring to fig. 6, the bottom end (annular end surface) of the rotary cylinder 431 is configured as a second slide rail 4312, the second slide rail 4312 extends along the circumferential direction and the axial direction of the rotary cylinder 431 (for example, the second slide rail 4312 may extend along a cylindrical spiral line, etc.), so that the axial heights of the two ends of the second slide rail 4312 in the extending direction are different (i.e., the two ends of the second slide rail 4312 are not located on the same cross section of the rotary cylinder 431, or the distances from the two ends of the second slide rail 4312 to the bottom surface of the housing 1 are different), and the floor brush assembly 100 further includes: a lifting frame 50, the rear end of the lifting frame 50 is hinged with the bottom of the housing 1 through a rotating shaft 51 (the rotating shaft 51 can be arranged on the lifting frame 50 or the housing 1), the dust suction port 10 is located at the front side of the lifting frame 50, and the lifting frame 50 is provided with a matching part 52 matched with the bottom of the second sliding rail 4312. It should be noted that "front" as used herein refers to the front side of the user when the user uses the floor brush assembly 100, and "back" refers to the back side of the user when the user uses the floor brush assembly 100.

As shown in fig. 6, in the process that the rotary cylinder 431 rotates and the matching part 52 slides from the high end a2 of the second slide rail 4312 to the low end a1 of the second slide rail 4312, the rotary cylinder 431 supports the housing 1 to make the housing 1 drive the roller brush 2 to rotate around the rotating shaft 51 in the direction of lifting the roller brush 2, even if the part of the housing 1 at the front side of the rotating shaft 51 is lifted by rotation relative to the lifting frame 50. It can be understood that, during the use of the floor brush assembly 100, the lifting frame 50 can be supported on the ground, and when the engaging portion 52 slides from the high end a2 of the second slide rail 4312 to the low end a1 of the second slide rail 4312, it is indicated that the rotary cylinder 431 is gradually lifted along its axis relative to the lifting frame 50, and at this time, the rotary cylinder 431 can support the front portion of the housing 1 and also lift together, and at this time, the distance between the rolling brush 2 and the ground can be increased, and the movement resistance of the rolling brush 2 can be reduced.

In the same way, in contrast, as shown in fig. 6, in the process that the rotary drum 431 rotates and the matching part 52 slides from the lower end a1 of the second slide rail 4312 to the upper end a2 of the second slide rail 4312, the rotary drum 431 supports the housing 1 so that the housing 1 drives the rolling brush 2 to rotate around the rotating shaft 51 in the direction of dropping the rolling brush 2, even if the part of the housing 1 located at the front side of the rotating shaft 51 rotates and lowers relative to the raising frame 50. It can be understood that, during the use of the floor brush assembly 100, the lifting frame 50 can be supported on the ground, and when the matching portion 52 slides from the lower end a1 of the second slide rail 4312 to the higher end a2 of the second slide rail 4312, it is indicated that the rotary cylinder 431 is gradually lowered along its own axis relative to the lifting frame 50, at this time, the rotary cylinder 431 can support the front portion of the housing 1 and fall down together, at this time, the distance between the rolling brush 2 and the dust suction port 10 and the ground can be reduced, and the dust suction effect of the floor brush assembly 100 can be ensured.

It should be noted that the matching between the lifting frame 50 and the rotary cylinder 431 may satisfy "the linkage housing 1 drives the rolling brush 2 to lift relative to the lifting device 5 when the control device 43 controls the lever mechanism 42 to move from the second state to the first state", or "the linkage housing 1 drives the rolling brush 2 to lift relative to the lifting device 5 when the control device 43 controls the lever mechanism 42 to move from the second state to the first state", when not satisfying, there are many possibilities, for example, "the linkage housing 1 drives the rolling brush 2 to lower relative to the lifting device 5 when the control device 43 controls the lever mechanism 42 to move from the second state to the first state", and so on. In the following, only the matching between the raising frame 50 and the rotary cylinder 431 is taken as an example that "the control device 43 controls the lever mechanism 42 to move from the second state to the first state, the linkage housing 1 drives the roller brush 2 to raise relative to the raising device 5".

As shown in fig. 5 and 6, when the lever mechanism 42 is moved to the first state by the rotary cylinder 431, not only the tension wheel 41 is caused to tension the first driving belt 33 to rotate the rolling brush 2, but also the engaging portion 52 is moved to a position engaging with the lower end a1 of the second slide rail 4312, so that the rolling brush 2 can be lifted, and the rolling resistance of the rolling brush 2 can be reduced.

As shown in fig. 4 and 6, when the rotary cylinder 431 moves the lever mechanism 42 to the second state, the tension wheel 41 is not only loosened to the first transmission belt 33 to stop the rotation of the rolling brush 2, but also the engaging portion 52 moves to a position engaging with the high end a2 of the second slide rail 4312, so as to ensure that the rolling brush 2 and the dust suction opening 10 can be lowered, and thus the dust suction effect of the floor brush assembly 100 can be ensured.

It should be noted that the way in which the spin basket 431 supports the housing 1 is not limited, for example, in the example shown in fig. 6, the housing 1 may include an extension extending downward from the edge of the through hole, and the top of the spin basket 431 has a support table 4311 supported at the bottom of the extension, so that when the spin basket 431 is lifted along its axis, the spin basket 431 may support the extension through the support table 4311, so that the housing 1 is lifted.

Further, as shown in fig. 6, the bottom of the second slide rail 4312 has a plurality of concave positioning grooves 4313 distributed at intervals along the circumferential direction of the spin basket 431, and the top surface of the fitting portion 52 is configured as a convex positioning portion 521 adapted to fit with the positioning grooves 4313. Thereby, positioning can be achieved, for example, when the fitting part 52 reaches a position of fitting with the lower end a1 of the second slide rail 4312, the roller brush 2 is raised, at which time the positioning part 521 is fitted with one positioning groove 4313 (the positioning groove 4313 at the lower end a1 as shown in fig. 6) to ensure that the housing 1 is maintained in a state where the roller brush 2 is raised, and for example, when the fitting part 52 reaches a position of fitting with the higher end a2 of the second slide rail 4312, the roller brush 2 can be dropped, at which time the positioning part 521 is fitted with the other positioning groove 4313 (the positioning groove 4313 at the higher end a2 as shown in fig. 6) to ensure that the housing 1 is maintained in a state where the roller brush 2 is dropped.

In conclusion, according to the utility model discloses a scrubbing brush subassembly 100 for cleaning device 1000 of at least one embodiment, can realize the rotation and the stall of round brush 2, need not to adopt the clutch mechanism that the structure is complicated, moreover, "be used for controlling round brush 2 to rotate and the controlling means 43" of stall can be integrated into same with "the controlling means who is used for controlling round brush 2 to raise and descend", when needs round brush 2 to rotate, make round brush 2 raise simultaneously to need not the user and separately control the regulation, avoid the maloperation, guarantee clean reliability and operation convenience.

When a knob 434 in the control device 43 rotates to a first position, through the cooperation of a first slide rail 4320 and a lever mechanism 42, a tensioning wheel 41 is driven to tension a first transmission belt 33 for driving the rolling brush 2 to rotate, so as to realize the rolling of the rolling brush 2, meanwhile, through the cooperation of a second slide rail 4312 and a lifting frame 50, the drive housing 1 drives the rolling brush 2 to lift up, when the knob 434 rotates to a second position, through the cooperation of the first slide rail 4320 and the lever mechanism 42, the drive tensioning wheel 41 loosens the first transmission belt 33 for driving the rolling brush 2 to rotate, so as to realize the stop rotation of the rolling brush 2, and meanwhile, through the cooperation of the second slide rail 4312 and the lifting frame 50, the drive housing 1 drives the rolling brush 2 to lower.

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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (15)

1. A floor brush assembly for a cleaning appliance, comprising:

a housing;

the rolling brush can be arranged on the shell in a rolling manner;

the driving assembly comprises a motor, a first driving wheel and a first transmission belt, the motor directly or indirectly drives the first driving wheel to rotate, the first transmission belt is wound on the rolling brush and the first driving wheel, and the rolling brush is driven to rotate by the first driving wheel when being tensioned; and

the tensioning assembly comprises a tensioning wheel, a lever mechanism and an operating and controlling device, the tensioning wheel is arranged on the lever mechanism and moves along with the lever mechanism to make a lever, the operating and controlling device controls the lever mechanism to make a lever motion between a first state and a second state, when the lever mechanism moves to the first state, the tensioning wheel tensions the first transmission belt, and when the lever mechanism moves to the second state, the tensioning wheel loosens the first transmission belt.

2. The floor brush assembly for a cleaning appliance of claim 1, further comprising:

a lifting device adapted to support the ground, the lifting device cooperating with the housing and the manipulation device, respectively, the manipulation device being configured to: and when the control device controls the lever mechanism to move from the second state to the first state, the control device is linked with the shell to drive the rolling brush to be lifted relative to the lifting device.

3. A floor brush assembly for a cleaning appliance according to claim 1, wherein said lever mechanism comprises: the lever body rotates around a fulcrum, one end of the first shifting lever is connected with the lever body, the other end of the first shifting lever is provided with the tensioning wheel, one end of the second shifting lever is connected with the lever body, and the other end of the second shifting lever is matched with the control device.

4. The floor brush assembly for a cleaning appliance of claim 3, wherein the lever body includes a first arm and a second arm on either side of the fulcrum, the first lever and the second lever both being connected to the first arm.

5. A floor brush assembly for a cleaning appliance according to claim 4, wherein said first lever is located on a side of said second lever remote from said fulcrum.

6. The floor brush assembly of claim 4, wherein the first lever and the second lever are distributed on lateral sides of the first moment arm.

7. A floor brush assembly for a cleaning appliance according to claim 1, wherein said lever mechanism comprises: the control device comprises a rotating cylinder, wherein a first sliding rail is arranged on the peripheral wall surface of the rotating cylinder, the first sliding rail extends along the circumferential direction and the axial direction of the rotating cylinder so as to enable the axial heights of two ends of the first sliding rail in the extending direction to be different, one end of the second driving lever is connected with the lever body, and the other end of the second driving lever is matched with the first sliding rail.

8. The floor brush assembly for the cleaning device according to claim 7, wherein the control device comprises a shifting piece, the shifting piece is arranged on the outer peripheral surface of the rotary cylinder and extends along a spiral line, a thickness side surface of the shifting piece defines the first sliding rail, and the lever mechanism further comprises a return spring which pushes the lever body so that the second shifting rod is always in contact fit with the first sliding rail.

9. The floor brush assembly of claim 7, wherein the handle further comprises a sleeve fixed to the housing and disposed over the barrel.

10. The floor brush assembly of claim 7, wherein the handle assembly further comprises a knob disposed on a top of the spin basket, the knob being rigidly connected to the spin basket, the knob extending out of the housing.

11. The floor brush assembly for a cleaning appliance according to claim 7, wherein a bottom end of the rotary cylinder is configured as a second slide rail extending in a circumferential direction and an axial direction of the rotary cylinder so that axial heights of both ends in an extending direction of the second slide rail are different, the floor brush assembly further comprising: the rear end of the lifting frame is hinged to the bottom of the shell through a rotating shaft, the rolling brush is located on the front side of the lifting frame, a matching portion matched with the bottom of the second slide rail is arranged on the lifting frame, and in the process that the rotary cylinder rotates and enables the matching portion to slide from the high end of the second slide rail to the low end of the second slide rail, the rotary cylinder supports the shell to drive the rolling brush to rotate around the rotating shaft in the direction that the rolling brush is lifted.

12. The floor brush assembly of claim 11, wherein the bottom of the second slide rail has a plurality of upwardly concave detents spaced apart along the circumference of the spin basket, and the top surface of the engagement portion is configured as an upwardly convex detent adapted to engage the detents.

13. The floor brush assembly of claim 11, wherein the engaging portion moves to a position engaging a lower end of the second track when the lever mechanism is moved to the first state by the rotary cylinder, and the engaging portion moves to a position engaging a higher end of the second track when the lever mechanism is moved to the second state by the rotary cylinder.

14. A floor brush assembly according to any of claims 1-13, wherein the drive assembly further comprises a second drive wheel and a second drive belt, the second drive belt is wound around the first drive wheel and the second drive wheel in a tensioned manner, the motor directly drives the second drive wheel to rotate, the first drive wheel comprises a first hub and a second hub which are arranged in sequence along the direction of the rotation axis of the first drive wheel and are rigidly connected, the first drive belt is wound around the first hub, and the second drive belt is wound around the second hub.

15. A cleaning device, characterized in that it comprises a floor brush assembly for a cleaning device according to any of claims 1-14.

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