CN218074806U - Sweeper and floor brush mechanism suitable for sweeper - Google Patents

Abstract

The application is suitable for the technical field of sweeper, and provides a sweeper and a floor brush mechanism suitable for the sweeper, wherein the floor brush mechanism comprises a rotation driving part, a mounting part, a floor brush and a locking part, the mounting part is provided with a through hole and a sliding groove, an output shaft of the rotation driving part penetrates through the through hole, and the axis of the sliding groove and the axis of the through hole are obliquely arranged; the ground brush comprises a brush handle and a brush head, one end of the brush handle is connected with the brush head, the other end of the brush handle is arranged around the output shaft, the outer side surface of the brush handle is provided with a groove, and the groove and the chute are arranged oppositely; the locking portion includes the slide bar, and the slide bar slides and assembles in the spout, and the slide bar includes locking section and unblock section, and the relative spout of slide bar removes to make locking section or unblock section stretch into the recess, in order to realize the locking or the unblock of brush holder and installation department. The floor brush mechanism realizes connection or separation between the floor brush and the installation part by moving the sliding rod, thereby being convenient for realizing the disassembly and the assembly of the floor brush and the installation part and being convenient for replacing the floor brush.

Description

Sweeper and floor brush mechanism suitable for sweeper

Technical Field

The application relates to the technical field of sweeper, in particular to a sweeper and a ground brush mechanism suitable for the sweeper.

Background

With the development of smart homes and the continuous improvement of living standard of people, the sweeper is gradually called a common cleaning helper of families and gradually replaces manual cleaning. Generally, a floor brush mechanism is installed below a machine body of a sweeper, a driver is installed in the sweeper, and the driver drives a floor brush to rotate in the moving process of the sweeper, so that different areas of the ground are swept.

In order to facilitate the driver to drive the floor brush to rotate, the floor brush and the output end of the driver are fixedly installed. However, after a long time use, the floor brush is worn, and if the floor brush needs to be repaired or replaced, the casing needs to be disassembled, and the driver and the floor brush are integrally taken out, so that the operation is complex.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a sweeper and be applicable to sweeper's scrubbing brush mechanism, aim at solving the complicated technical problem of operation of changing the scrubbing brush among the prior art.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: there is provided a floor brush mechanism suitable for use with a sweeper, comprising:

a rotation driving part having an output shaft;

the mounting part is provided with a through hole and a sliding groove, the output shaft penetrates through the through hole, and the axis of the sliding groove and the axis of the through hole are obliquely arranged;

the floor brush comprises a brush handle and a brush head, wherein one end of the brush handle is connected with the brush head, the other end of the brush handle is arranged around the output shaft, a groove is formed in the outer side surface of the brush handle, and the groove is arranged opposite to the sliding groove;

the locking portion, including the slide bar, the slide bar slide assembly in the spout, the slide bar includes locking section and unblock section, the slide bar is relative the spout removes, so that the locking section or the unblock section stretches into the recess, the locking section stretches into the recess so that the brush holder butt in the output shaft, the output shaft can drive the brush holder rotates, the unblock section stretches into the recess so that the brush holder with the output shaft separation.

In a possible design, scrubbing brush mechanism still includes the lift driver, the lift driver with the installation department is connected, the lift driver is used for driving the installation department is followed the axis of brush holder removes.

In a possible design, the installation department includes spacing bulge loop, the through-hole with the spout respectively with the intra-annular cavity intercommunication of spacing bulge loop, the brush holder stretches into the intra-annular cavity of spacing bulge loop, the slide bar is followed the spout stretches into intra-annular cavity, just the one end of slide bar is located the outside of spacing bulge loop.

In a possible design, the limiting convex ring is provided with two sliding grooves, the openings of the two sliding grooves are opposite, the two sliding grooves are arranged in parallel, the locking part comprises two sliding rods, one sliding rod is inserted into each sliding groove, and the two sliding rods are respectively positioned on two opposite sides of the brush handle.

In a possible design, the locking part further comprises a handle, and the handle is connected with one ends of the two sliding rods, which are positioned outside the limiting convex rings, respectively.

In one possible design, a first limiting member is arranged on the outer wall of the sliding rod, and the first limiting member is used for limiting the maximum length of the sliding rod extending into the limiting convex ring; and/or the presence of a gas in the atmosphere,

the outer wall of the slide bar is provided with a second limiting part, and the second limiting part is used for limiting the maximum length of the slide bar extending out of the limiting convex ring.

In a possible design, the floor brush further comprises an elastic resetting piece, the elastic resetting piece is respectively connected with the sliding rod and the mounting portion, and the elastic resetting piece is used for enabling the locking section of the sliding rod to extend into the groove.

In a possible design, the brush handle includes a plurality of positioning claws, the positioning claws are sequentially arranged along a circumferential direction, the positioning claws surround to form an annular structure, the positioning claws surround to form an outer side of the output shaft, and the outer wall of each positioning claw is provided with the groove.

In a possible design, the number of the rotation driving parts is two, two ground brushes are respectively arranged on output shafts corresponding to the two rotation driving parts, at least one sliding groove is respectively arranged on the installation part corresponding to each ground brush, and the sliding rods are respectively inserted in the sliding grooves.

The application still provides a machine of sweeping floor, including the casing with as above-mentioned arbitrary technical scheme be applicable to the scrubbing brush mechanism of machine of sweeping floor, be applicable to the scrubbing brush mechanism of machine of sweeping floor install in the casing, the scrubbing brush in the scrubbing brush mechanism of machine of sweeping floor stretches out the casing.

The application provides a scrubbing brush mechanism suitable for machine of sweeping floor's beneficial effect lies in: compared with the prior art, the ground brush mechanism suitable for machine of sweeping floor of this application through making the slide bar slide for the spout, can change the position of slide bar in the spout to make the partial structure who stretches into the recess switch between locking section and unblock section. When the floor brush is installed, the brush holder of the floor brush is sleeved outside the output shaft, the sliding rod is moved, the locking section of the sliding rod extends into the groove, the sliding rod extrudes the brush holder, the brush holder is abutted to the output shaft, the brush holder is fixed relative to the output shaft, and the connection between the floor brush and the rotary driving portion is also achieved. When the floor brush is disassembled, the sliding rod is moved, so that the unlocking section of the sliding rod extends into the groove, the brush handle is separated from the output shaft, the floor brush is moved outwards along the axial direction of the output shaft, and the floor brush can be disassembled.

By last, use the machine of sweeping the floor that has the scrubbing brush mechanism that this application provided when carrying out the dismouting of scrubbing brush, the accessible removes the slide bar and makes the scrubbing brush be connected or separate with the rotation drive division to can realize the operation of dismouting scrubbing brush alone, need not to dismantle the change that can accomplish the scrubbing brush with the whole of rotation drive division, change the simple operation.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a floor brush mechanism suitable for a sweeper, according to an embodiment of the present disclosure, in a first view;

fig. 2 is a schematic structural diagram of a floor brush mechanism suitable for a sweeper according to an embodiment of the present application, in a second perspective;

fig. 3 is a schematic structural diagram of a floor brush mechanism suitable for a sweeper according to an embodiment of the present application in a third perspective;

fig. 4 is a schematic structural diagram of a floor brush mechanism suitable for a sweeper, provided in an embodiment of the present application, in a fourth perspective;

FIG. 5 isbase:Sub>A schematic cross-sectional view taken along A-A of the floor brush mechanism of FIG. 4;

FIG. 6 is an enlarged view at C in FIG. 5;

FIG. 7 is an enlarged view at D of FIG. 5;

figure 8 is a schematic cross-sectional view of the brush mechanism of figure 4 taken along the line B-B;

FIG. 9 is an enlarged view at E in FIG. 8;

fig. 10 is a sectional view of a floor brush in a floor brush mechanism suitable for a sweeper according to an embodiment of the present application.

Reference is now made to the following figures, in which:

1-a rotation driving part; 11-an output shaft;

2-an installation part; 21-mounting a plate; 22-a limit convex ring; 23-a chute; 24-a variable diameter region;

3-brushing the floor; 31-brush handle; 32-a brush head; 33-a groove;

4-a locking part; 41-a slide bar; 411-a locking section; 412-an unlocking segment; 413 — a first limiting member; 414-a second stop; 42-a handle;

5-elastic restoring piece.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify description, but are not intended to indicate or imply that the brush mechanism or element adapted for use with the sweeper must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In order to explain the technical solutions of the present application, the following detailed descriptions are made with reference to specific drawings and examples.

As shown in fig. 1 to 10, an embodiment of the present application provides a floor brush 3 mechanism suitable for a sweeper, which includes a rotation driving portion 1, a mounting portion 2, a floor brush 3 and a locking portion 4, wherein: the rotation driving section 1 has an output shaft 11; the mounting part 2 is provided with a through hole and a sliding groove 23, the output shaft 11 passes through the through hole, and the axis of the sliding groove 23 and the axis of the through hole are obliquely arranged; the floor brush 3 comprises a brush handle 31 and a brush head 32, one end of the brush handle 31 is connected with the brush head 32, the other end of the brush handle is arranged around the output shaft 11, a groove 33 is arranged on the outer side surface of the brush handle 31, and the groove 33 is arranged opposite to the sliding groove 23; the locking portion 4 comprises a sliding rod 41, the sliding rod 41 is assembled on the sliding groove 23 in a sliding mode, the sliding rod 41 comprises a locking section 411 and an unlocking section 412, the sliding rod 41 moves relative to the sliding groove 23, so that the locking section 411 or the unlocking section 412 extends into the groove 33, the locking section 411 extends into the groove 33, the brush holder 31 abuts against the output shaft 11, the output shaft 11 can drive the brush holder 31 to rotate, and the unlocking section 412 extends into the groove 33, so that the brush holder 31 is separated from the output shaft 11.

In an alternative embodiment, the locking section 411 and the unlocking section 412 are arranged in sequence in the axial direction of the sliding rod 41, and the outer diameter of the locking section 411 is larger than that of the unlocking section 412. When the unlocking section 412 extends into the groove 33, a partial region of the outer side wall of the unlocking section 412 is in contact with the inner wall of the groove 33, and a partial region of the outer side wall of the unlocking section 412 is in contact with the inner wall of the chute 23. The inner diameter of the cavity formed by splicing the chute 23 and the groove 33 is r1, the outer diameter of the locking section 411 is larger than r1, and the difference between the outer diameter of the locking section 411 and r1 is larger than the width of the gap between the brush holder 31 and the output shaft 11, that is, when the locking section 411 extends into the groove 33, the locking section 411 pushes the inner wall of the groove 33 to move along the radial direction, so that the gap between the brush holder 31 and the output shaft 11 is reduced, and finally the brush holder 31 abuts against the output shaft 11, so that the output shaft 11 can drive the brush holder 31 to rotate. The outer diameter of the unlocking section 412 is smaller than r1.

In one embodiment, when the mechanism of the floor brush 3 is placed such that the axis of the brush handle 31 of the floor brush 3 extends in a vertical direction, the axis of the output shaft 11 extends in a vertical direction, and optionally the extending direction of the sliding slot 23 is in a horizontal direction, i.e. the axis of the sliding slot 23 is perpendicular to the axis of the output shaft 11, i.e. the axis of the sliding slot 23 is perpendicular to the axis of the through hole.

In a possible design, the floor brush 3 mechanism further comprises a lifting driver, the lifting driver is connected with the mounting part 2, and the lifting driver is used for driving the mounting part 2 to move along the axis of the brush holder 31. So set up, after brush head 32 bottom surface of scrubbing brush 3 produced wearing and tearing in long-time the use, accessible lift driver removes installation department 2, changes the height of scrubbing brush 3 to make the distance between brush head 32 of scrubbing brush 3 and the ground closer. The lift drive may include a motor and drive assembly, with the axis of the motor shaft parallel to the axis of the brush shaft 31. The transmission assembly can include the lead screw, and the lead screw can be provided with the screw hole with the hub connection of motor on installation department 2, lead screw and screw hole screw-thread fit, enough at the starter motor, the motor drives the lead screw and rotates to drive installation department 2 and remove along the axis direction of the axle of motor, in order to drive rotation drive portion 1 and scrubbing brush 3 and remove. The transmission assembly can also comprise a pull rope, one end of the pull rope is wound on the motor shaft, the other end of the pull rope is connected with the installation part 2, and the pull rope can be extended or shortened by rotating the shaft of the motor, so that the position of the installation part 2 in the vertical direction is changed.

In one possible design, the mounting part 2 comprises a limit convex ring 22, the through hole and the sliding groove 23 are respectively communicated with an inner cavity of the limit convex ring 22, the brush handle 31 extends into the inner cavity of the limit convex ring 22, the sliding rod 41 extends into the inner cavity along the sliding groove 23, and one end of the sliding rod 41 is positioned at the outer side of the limit convex ring 22. The arrangement of the limit convex ring 22 provides a larger arrangement space for the arrangement of the sliding groove 23 on one hand, and on the other hand, the connection part of the brush handle 31 and the output shaft 11 can be shielded at the inner side of the slide groove, so that the aesthetic degree of the mechanism of the floor brush 3 is improved.

In a possible design, two sliding grooves 23 are formed on the limit convex ring 22, openings of the two sliding grooves 23 are opposite, the two sliding grooves 23 are arranged in parallel, the locking portion 4 comprises two sliding rods 41, one sliding rod 41 is inserted into each of the two sliding grooves 23, and the two sliding rods 41 are respectively located on two opposite sides of the brush holder 31. So set up, the relative both sides of brush holder 31 all receive slide bar 41's extrusion to make the relative both sides of brush holder 31 all with output shaft 11 butt, with the stability of being connected between improvement brush holder 31 and the output shaft 11, and can reduce brush holder 31's radial shake to a certain extent.

In fig. 1, one floor brush 3 is correspondingly provided with two sliding rods 41, and in the process of disassembly and assembly, the locking sections 411 of the two sliding rods 41 need to extend into the grooves 33, so that the stable connection between the floor brush 3 and the output shaft 11 can be realized, and the unlocking sections 412 of the two sliding rods 41 extend out of the grooves 33, so that the complete separation between the floor brush 3 and the output shaft 11 can be realized.

In order to facilitate the synchronous movement of the two sliding rods 41 arranged opposite to one floor brush 3, in one possible design, the locking part 4 further comprises a handle 42, and the handle 42 is connected with one end of each of the two sliding rods 41 located outside the limiting convex ring 22. By such arrangement, the two sliding rods 41 can move synchronously by pushing and pulling the handle 42.

Only one floor brush 3 may be provided for one floor brush 3 mechanism, or two or more floor brushes 3 may be provided. The number of the mounting portions 2 is one regardless of the number of the floor brushes 3, and the number of the floor brushes 3, the number of the output shafts 11, and the number of the locking portions 4 are equal. The number of the rotation driving part 1 may be one or a plurality of, and when the number of the rotation driving part 1 is one, the rotation driving part 1 includes a driver, a transmission assembly and a plurality of output shafts 11, and the driver is in transmission connection with the plurality of output shafts 11 through the transmission assembly to drive the plurality of output shafts 11 to rotate synchronously. When the number of the rotation driving parts 1 is multiple, each rotation driving part 1 comprises an output shaft 11, the rotation driving part 1 can comprise a driver and the output shaft 11, the driver and the output shaft 11 can be directly connected, when the driver is a motor, the output shaft 11 can be a shaft of the motor, or a shaft independent of the motor, when the output shaft 11 is independent of the motor, the output shaft 11 and the shaft of the motor can be connected through a coupling, or can be connected through a transmission assembly. The transmission assembly may be a plurality of intermeshing gears, or a synchronizing wheel and a timing belt.

Illustratively, as shown in fig. 1 to 5, in one possible design, the number of the floor brushes 3 is two, correspondingly, at least one sliding groove 23 is respectively arranged on the mounting portion 2 corresponding to each floor brush 3 (in fig. 1 to 5, two sliding grooves 23 are respectively arranged on the mounting portion 2 corresponding to each floor brush 3), and a sliding rod 41 is respectively inserted into each sliding groove 23. The quantity of the rotation driving part 1 is two, each rotation driving part 1 comprises an output shaft 11, and the two floor brushes 3 are arranged in one-to-one correspondence with the two output shafts 11.

When the quantity of scrubbing brush 3 is a plurality of, the quantity of installation department 2 is one, and installation department 2 can include a mounting panel 21 and a plurality of spacing bulge loop 22, and a plurality of spacing bulge loop 22 all set up on mounting panel 21.

As shown in fig. 6, in order to facilitate the control of the position of the sliding rod 41 in the sliding slot 23, in one possible design, the outer wall of the sliding rod 41 is provided with a first limiting member 413, and the first limiting member 413 is used for limiting the maximum length of the sliding rod 41 extending into the limiting convex ring 22. In fig. 6, the first limiting member 413 protrudes outwards along the outer wall of the sliding rod 41, when the sliding rod 41 moves towards the inside of the sliding slot 23, the distance between the first limiting member 413 and the limiting convex ring 22 gradually decreases, and after the first limiting member 413 contacts with the limiting convex ring 22, the sliding rod 41 cannot move towards the inside of the sliding slot 23, that is, the maximum length of the sliding rod 41 extending into the inside of the sliding slot 23 can be controlled by the setting position of the first limiting member 413 on the sliding rod 41.

As shown in fig. 7, the outer wall of the sliding rod 41 is provided with a second limiting member 414, and the second limiting member 414 is used for limiting the maximum length of the sliding rod 41 extending out of the limiting convex ring 22. One end of the sliding chute 23 can be provided with a reducing area 24, the inner diameter of the reducing area 24 is greater than the inner diameter of the sliding chute 23, or the depth of the reducing area 24 is greater than the depth of the sliding chute 23, one end of the sliding rod 41 extends into the reducing area 24, and the second limiting member 414 is located outside the part of the structure where the sliding rod 41 extends into the reducing area 24. The diameter-variable region 24 has a stop surface, when the sliding rod 41 is pulled out, the distance between the second limiting member 414 and the stop surface is reduced, when the second limiting member 414 contacts the stop surface, the sliding rod 41 cannot be pulled out continuously, that is, the maximum length of the sliding rod 41 extending out of the limiting convex ring 22 can be controlled by the setting position of the second limiting member 414 on the sliding rod 41.

The user can conveniently detach the floor brush 3 by setting the position of the second limiting member 414. As shown in fig. 7, when the second limiting member 414 contacts the stop surface, the unlocking section 412 just moves into the groove 33, so that the floor brush 3 is separated from the output shaft 11. That is, when the floor brush 3 is detached, the floor brush 3 can be drawn out from the lower portion of the housing by only drawing the sliding rod 41 outward until the sliding rod cannot be drawn further, i.e. the floor brush 3 is separated from the output shaft 11.

As shown in fig. 6 and 7, in one possible design, the floor brush 3 further includes an elastic restoring member 5, the elastic restoring member 5 is connected with the sliding rod 41 and the mounting portion 2, respectively, and the elastic restoring member 5 is used for enabling the locking section 411 of the sliding rod 41 to extend into the groove 33. That is, the elastic restoring member 5 is used to lock the floor brush 3, so as to maintain the connection stability of the floor brush 3 and the output shaft 11 during the use of the floor brush 3 mechanism.

The elastic restoring piece 5 can be a spring which is sleeved on the sliding rod 41, one end of the spring is connected with the sliding rod 41, and the other end of the spring is connected with the limit convex ring 22. In fig. 6 and 7, the other end of the spring is connected to the inner wall of the variable diameter region 24.

In a possible design, the brush handle 31 includes a plurality of positioning claws, the plurality of positioning claws are sequentially arranged along the circumferential direction, the plurality of positioning claws surround to form an annular structure, the plurality of positioning claws surround to be arranged at the outer side of the output shaft 11, and the outer wall of each positioning claw is provided with a groove 33. The grooves 33 of the plurality of positioning claws are communicated with each other and then substantially enclose an annular groove.

The multiple positioning may hinder the formation of this arrangement of the brush shaft 31, so that the amount of deformation of the brush shaft 31 is increased, facilitating the connection and disconnection of the brush shaft 31 to and from the output shaft 11. And facilitates the removal of the brush holder 31 from the retaining collar 22.

This embodiment still provides a machine of sweeping the floor, including the casing with as above-mentioned 3 mechanisms of scrubbing brush that are applicable to the machine of sweeping the floor that any technical scheme provided, the 3 mechanisms of scrubbing brush that are applicable to the machine of sweeping the floor install in the casing, and 3 stretch out the casing of scrubbing brush in 3 mechanisms of scrubbing brush that are applicable to the machine of sweeping the floor.

Optionally, the casing has an inner cavity, the bottom of the casing is provided with an opening, the mounting part 2 is mounted in the inner cavity of the casing, the rotation driving part 1 is also located in the inner cavity of the driving part, the limiting convex ring 22 in the mounting part 2 extends out of the bottom opening of the casing to the outer side of the casing, and the brush holder 31 of the floor brush 3 extends into the annular inner cavity of the limiting convex ring 22 from below. The unlocking part is positioned below the shell. So set up, can be in the outside pulling of casing unblock portion to under the condition of not opening the casing, can realize the dismouting of scrubbing brush 3.

When the floor brush 3 mechanism includes the elevation driving part, the elevation driving part is installed inside the cabinet.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a scrubbing brush mechanism suitable for quick-witted of sweeping floor which characterized in that includes:

a rotation driving part having an output shaft;

the ground brush comprises a brush handle and a brush head, one end of the brush handle is connected with the brush head, the other end of the brush handle is arranged around the output shaft, and a groove is formed in the outer side surface of the brush handle;

the mounting part is provided with a through hole and a sliding groove, the output shaft penetrates through the through hole, the axis of the sliding groove and the axis of the through hole are obliquely arranged, and a partial area of the sliding groove is opposite to the groove;

the locking portion, including the slide bar, the slide bar slide assembly in the spout, the slide bar includes locking section and unblock section, the slide bar is relative the spout removes, so that the locking section or the unblock section stretches into the recess, the locking section stretches into the recess so that the brush holder butt in the output shaft, the output shaft can drive the brush holder rotates, the unblock section stretches into the recess so that the brush holder with the output shaft separation.

2. The floor brush mechanism of claim 1, further comprising a lift actuator coupled to the mounting portion, wherein the lift actuator is configured to move the mounting portion along the axis of the brush handle.

3. The floor brush mechanism of claim 1 or 2, wherein the mounting portion comprises a limiting convex ring, the through hole and the sliding groove are respectively communicated with an inner cavity of the limiting convex ring, the brush handle extends into the inner cavity of the limiting convex ring, the sliding rod extends into the inner cavity of the limiting convex ring along the sliding groove, and one end of the sliding rod is located at the outer side of the limiting convex ring.

4. The floor brush mechanism of claim 3, wherein the limiting convex ring is provided with two sliding grooves, the openings of the two sliding grooves are opposite, the two sliding grooves are arranged in parallel, the locking portion comprises two sliding rods, one sliding rod is inserted into each sliding groove, and the two sliding rods are respectively located at two opposite sides of the brush handle.

5. The floor brush mechanism of claim 4, wherein the locking portion further comprises a handle, and the handle is connected to one end of each of the two sliding rods, which is located outside the limiting convex ring.

6. The floor brush mechanism of claim 3, wherein the outer wall of the slide bar is provided with a first limiting member for limiting the maximum length of the slide bar extending into the limiting convex ring; and/or the presence of a gas in the gas,

and a second limiting part is arranged on the outer wall of the sliding rod and used for limiting the maximum length of the sliding rod extending out of the outer side of the limiting convex ring.

7. The floor brush mechanism of claim 1 or 2, wherein the floor brush further comprises an elastic restoring member, the elastic restoring member is respectively connected to the sliding rod and the mounting portion, and the elastic restoring member is configured to enable the locking section of the sliding rod to extend into the groove.

8. The floor brush mechanism of claim 1 or 2, wherein the brush handle comprises a plurality of positioning claws, the positioning claws are sequentially arranged along a circumferential direction, the positioning claws form a ring-shaped structure, the positioning claws form an outer side of the output shaft, and the outer wall of each positioning claw is provided with the groove.

9. The floor brush mechanism of claim 1 or 2, wherein the number of the rotary driving portions is two, two floor brushes are respectively disposed on the output shafts of the two rotary driving portions, at least one sliding slot is respectively disposed on the mounting portion corresponding to each floor brush, and the sliding rod is respectively inserted into each sliding slot.

10. A sweeper, characterized by comprising a housing and the brush mechanism of any one of claims 1-9, wherein the brush mechanism is mounted on the housing, and the brush of the brush mechanism extends out of the housing.

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