CN217218911U

CN217218911U - Mop assembly and floor cleaning machine

Info

Publication number: CN217218911U
Application number: CN202220910770.XU
Authority: CN
Inventors: 郭建刚; 刘辉
Original assignee: Guangdong Xinbao Electrical Appliances Holdings Co Ltd
Current assignee: Guangdong Xinbao Electrical Appliances Holdings Co Ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-08-19
Anticipated expiration: 2032-04-19

Abstract

The utility model provides a mop subassembly and floor cleaning machine. The mop assembly includes a housing, further comprising: the rolling brush assembly comprises a rolling brush, wherein a shaft hole is formed in the rolling brush, and the shaft hole at least extends to the middle of the rolling brush from one end of the rolling brush in the axial direction; the long arm driving mechanism comprises a power source, a transmission shaft and a supporting and limiting part; the rotatable locating of transmission shaft supports on the spacing part, and the first end and the power supply transmission of transmission shaft are connected, and the second end of transmission shaft stretches into the shaft hole and drives the round brush rotation through the transmission head, and round brush detachable locates on supporting the spacing part to can support the spacing part relatively and rotate. The utility model discloses a round brush of mop subassembly is connected with long arm actuating mechanism only through first end, and the second end does not set up the structure of any fixed round brush, and the round brush hair is to the limit, does not have clean blind area, improves user's the experience satisfaction that cleans.

Description

Mop assembly and floor cleaning machine

Technical Field

The utility model belongs to the technical field of cleaning device, especially, relate to a mop subassembly and floor cleaning machine.

Background

At present, the existing cleaning equipment is structurally limited due to the existence of the mop component, so that two sides of the rolling brush of the mop component are required to be provided with a space for arranging a limiting structure for fixing the rolling brush, and therefore, a spacing distance exists between the edge of the rolling brush and the edge of an area to be cleaned, corner cleaning work including a corner cannot be completed in practice, a cleaning blind area which is about 10-20 mm wide can be left at the root of a wall, the cleaning experience of a user is seriously reduced, and meanwhile, the cleaning effect of the cleaning equipment is also reduced.

Chinese patent application publication No. CN 114190844 a discloses a scrubbing brush and scrubber, and the scrubbing brush includes the casing, and the casing has the rear end portion that is located the preceding tip in the direction of travel of scrubbing brush and rear, and the one side that the preceding tip faced ground is formed with the installation cavity that communicates the external world, and first round brush and second round brush all rotationally install in the installation cavity. Both ends of first round brush and second round brush in this application can not reach the limit, when cleaning, can not clean the contained angle, have clean blind area.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problem that prior art exists, the utility model provides an aim at provides a mop subassembly, and the brush hair of this mop subassembly's round brush can be to the limit completely, reduces the blind area that cleans to the corner position, accomplishes not have the dead angle completely, improves clean ability.

The embodiment of the utility model provides a technical scheme who adopts is, a mop subassembly, including the casing, its characterized in that still includes:

the rolling brush assembly comprises a rolling brush, a shaft hole is formed in the rolling brush, and the shaft hole at least extends to the middle of the rolling brush from one end of the rolling brush in the axial direction;

the long arm driving mechanism is arranged in the shell and comprises a power source, a transmission shaft and a supporting and limiting component; the transmission shaft is rotatably arranged on the supporting and limiting component, the first end of the transmission shaft is in transmission connection with the power source, and the second end of the transmission shaft extends into the shaft hole and drives the rolling brush to rotate through the transmission belt; the rolling brush is detachably arranged on the supporting and limiting component and can rotate relative to the supporting and limiting component.

The utility model discloses the round brush of mop subassembly is only connected with long arm actuating mechanism through first end, and the second end does not set up any structure, and the round brush hair is to the limit, and the second end of round brush can lean on the wall completely clean, does not have clean blind area, and no dead angle improves user's the experience satisfaction that cleans greatly.

In some embodiments, the rolling brush assembly further includes a sliding block, the sliding block is disposed in the shaft hole and engaged with the transmission head, the sliding block can slide in the shaft hole along the axial direction of the shaft hole, and when the transmission head drives the sliding block to rotate, the sliding block can drive the rolling brush to rotate simultaneously. Through setting up the slider for long arm actuating mechanism's power effectively transmits to the round brush, makes the round brush steady rotation, promotes structural stability.

In some embodiments, a spring seat is convexly arranged at the bottom of the shaft hole, and a spring is sleeved on the spring seat; the sliding block is sleeved outside the spring seat and is connected with the spring seat through a pin shaft; the spring is used for applying acting force towards the transmission head to the sliding block; be equipped with on the outer wall of slider along a plurality of beads of the axial extension in shaft hole, be equipped with on the inner wall in shaft hole along a plurality of bar grooves of the axial extension in shaft hole, locating of bead one-to-one the bar inslot, and can follow the bar groove slides. Therefore, the rolling brush component is more convenient to disassemble.

In some embodiments, the transmission head is provided with a circle of external teeth, the sliding block is inwards recessed towards one end of the transmission head to form a cavity, the inner wall of the cavity is provided with a circle of internal teeth, and the transmission head extends into the cavity so that the internal teeth are meshed with the external teeth. The transmission head is tightly combined with the sliding block, so that the transmission of power is facilitated.

In some embodiments, the transmission head comprises a wedge-shaped head part and a connecting part connected to the wedge-shaped head part, the external teeth are arranged on the wedge-shaped head part, a bearing is fixedly sleeved on the connecting part, and an outer ring of the bearing is attached to the inner wall of the shaft hole; the cavity is wedge-shaped and is matched with the wedge-shaped head. The structure is more stable, the third bearing can play a role in supporting the transmission head, and the transmission efficiency is kept.

In some embodiments, the supporting and limiting component includes a sleeve, the sleeve is sleeved outside the transmission shaft, the first end and the second end of the transmission shaft respectively extend out of the sleeve, and an elastic buckle is arranged on the outer wall of the sleeve close to the first end of the transmission shaft; a bearing is arranged at the hole end of the shaft hole; when the transmission shaft and the sleeve extend into the shaft hole of the rolling brush, the bearing passes over the elastic buckle, so that the elastic buckle is stopped at one side of the bearing, which faces the second end of the transmission shaft, and the rolling brush is limited to be separated from the sleeve. Can carry out spacingly through sleeve pipe and elasticity knot to the round brush, avoid the round brush to deviate from.

In some embodiments, the power source is a motor, the long arm driving mechanism further includes a motor support, the motor and the sleeve are both disposed on the motor support and located on the same side of the motor support, and an output shaft of the motor is parallel to the sleeve. Reasonable layout, compact structure and space saving.

In some embodiments, the long arm driving mechanism further comprises a first gear and a second gear located in the motor bracket, the first gear is disposed on the output shaft of the motor, the second gear is disposed at the first end of the transmission shaft, and the first gear and the second gear are connected by a transmission belt. The noise is low through the transmission mode of gear and drive belt, and transmission efficiency is high.

In some embodiments, the other end of the rolling brush is recessed inwards to form a grabbing position, and a linear plate is arranged in the grabbing position, so that the rolling brush assembly is convenient to disassemble and assemble.

The embodiment of the utility model provides a floor cleaning machine is provided simultaneously, floor cleaning machine includes the host computer and locates the handle on host computer upper portion, floor cleaning machine still includes above-mentioned arbitrary embodiment the mop subassembly, the mop subassembly is located the bottom of host computer.

The utility model discloses floor cleaning machine, the brush hair of the one end of its round brush arrives the limit completely, can lean on wall or corner to clean, accomplishes not clean blind area, improves user's the experience satisfaction that cleans.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention.

The summary of various implementations or examples of the technology described in this disclosure is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments, by way of example and not by way of limitation, and together with the description and claims, serve to explain the embodiments of the invention. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative and not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

Fig. 1 is a perspective view of a mop assembly according to an embodiment of the present invention.

Fig. 2 is an exploded view of a mop assembly according to an embodiment of the present invention.

Fig. 3 is an exploded view of the long arm drive mechanism according to the embodiment of the present invention.

Fig. 4 is an exploded view of a round brush assembly according to an embodiment of the present invention.

Fig. 5 is a sectional view of the rolling brush assembly according to the embodiment of the present invention after being assembled on the long arm driving mechanism.

Reference numerals:

1-a long arm drive mechanism; 11-a power source; 111-a motor mount; 12-a drive shaft; 13-a drive head; 131-a wedge-shaped head; 132-a connecting portion; 14-a second bearing; 15-a third bearing; 16-a cannula; 161-elastic buckle; 17-a transmission belt; 18-a first gear; 19-a second gear; 2-a roller brush assembly; 21-rolling a brush; 22-rolling brush end cover; 23-a first bearing; 24-a slide block; 241-ribs; 25-spring seats; 26-a spring; 27-a line board; 28-pin shaft; 3-an upper shell; 4-a lower shell; 5, a water pump; 6-control the assembly.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are some, not all embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and the like in the description of the invention does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item preceding the word comprises the element or item listed after the word and its equivalent, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

The embodiment of the utility model provides a mop subassembly, this mop subassembly can be used for washing the ground machine to clean ground. As shown in fig. 1 and 2, the mop assembly includes a housing, which may include an upper housing 3 and a lower housing 4. The upper and lower housings 3 and 4 define an accommodation space in which, for example, a water pump 5, a control assembly 6, etc. may be disposed. The water pump 5 is used to supply water to the drum brush 21 when the scrubber is in operation, to clean the floor. The control assembly 6 may be used to control the start and stop of the water pump 5, the rotation and stop of the roller brush 21, etc.

As shown in fig. 2, the mop assembly comprises a long arm drive mechanism 1 and a roll brush assembly 2. The long arm driving mechanism 1 is provided in the housing. As shown in fig. 3, the long arm drive mechanism 1 includes a power source 11, a transmission shaft 12, and a support stopper. The transmission shaft 12 is rotatably arranged on the supporting and limiting part. The first end of the transmission shaft 12 is connected with the power source 11 in a transmission way, and the second end of the transmission shaft 12 is connected with the transmission head 13, see fig. 5.

As shown in fig. 4, the roller brush assembly 2 includes a roller brush 21, and a shaft hole (not shown) is formed in the roller brush 21 and extends from a first end of the roller brush 21 in the axial direction to at least a middle portion of the roller brush 21. The second end of the transmission shaft 12 extends into the shaft hole and drives the rolling brush 21 to rotate through the transmission head 13. That is, the second end of the transmission shaft 12 is close to the bottom of the shaft hole, and the transmission head 13 acts with the inner wall of the shaft hole, so that when the transmission shaft 12 drives the transmission head 13 to rotate, the transmission head 13 drives the rolling brush 21 to rotate together. The rolling brush 21 is detachably arranged on the supporting and limiting part and can rotate relative to the supporting and limiting part. The supporting and limiting component is used for supporting the rolling brush 21 and the transmission shaft 12, limiting the rolling brush 21 and preventing the rolling brush 21 from falling off the long arm driving mechanism 1.

As shown in fig. 1, when the rolling brush 21 is mounted on the long arm driving mechanism 1, the downward side of the rolling brush 21 is exposed out of the housing so as to be able to contact the ground surface, thereby cleaning the ground surface. Since the rolling brush 21 is rolled in the operating state, the side of the rolling brush 21 facing downward does not refer to a specific portion of the rolling brush 21 but refers to a portion facing downward during rolling. The second end of the rolling brush 21 without the shaft hole is exposed outside the housing (shown in fig. 1 to be flush with the housing), and the rolling brush 21 is connected with the long arm driving mechanism 1 only through the first end, while the second end is not provided with any structure for fixing the rolling brush 21, and the bristles of the rolling brush 21 are arranged to the edge (flush with the edge of the housing of the mop assembly), see fig. 1, so that the second end of the rolling brush 21 and the edge of the area to be cleaned can be in seamless butt joint, and no blind cleaning area exists. For example, the second end of the rolling brush 21 can be completely cleaned against the wall without dead corners, and the satisfaction degree of the cleaning experience of the user is greatly improved.

The specific structure of the supporting and limiting component is not limited, and can be selected according to actual needs, as long as the supporting effect can be achieved on the transmission shaft 12 and the rolling brush 21, the rolling brush 21 can be limited, and the long-arm driving mechanism 1 is prevented from being disengaged from the rolling brush 21 in the using process.

In some embodiments, as shown in fig. 3, the supporting and limiting member includes a sleeve 16, and the sleeve 16 is sleeved outside the transmission shaft 12. As shown in fig. 5, the first end and the second end of the transmission shaft 12 respectively extend out of the sleeve 16, and the outer wall of the sleeve 16 near the first end of the transmission shaft 12 is provided with an elastic buckle 161. The bore end of the shaft bore of the roller brush 16 is provided with a first bearing 23. When the transmission shaft 12 and the sleeve 16 extend into the shaft hole of the rolling brush 16, the first bearing 23 can extrude the elastic buckle 161 to deform and cross the elastic buckle 161, so that the elastic buckle 161 is stopped at one side of the first bearing 23 facing the second end of the transmission shaft 12 to limit the rolling brush 21 from coming out of the sleeve 16, and thus the rolling brush 21 is stably limited on the long-arm driving mechanism 1. The supporting limiting component is simple in structure, good in supporting limiting effect and capable of guaranteeing the use stability of products.

It will be appreciated that the sleeve 16 is stationary and the drive shaft 12 is rotated by the power source 11. To achieve the fixation of the sleeve 16, the second end of the sleeve 16 needs to extend outside the shaft hole. The sleeve 16 may be fixed to the housing or to the motor bracket 111 (described below). In fact, as long as it is ensured that the sleeve 16 is fixed, as for how to realize the fixation of the sleeve 16, the utility model discloses do not specifically limit.

In some embodiments, as shown in fig. 5, the transmission shaft 12 is provided with second bearings 14 near both ends thereof, and the second bearings 14 are used for supporting the transmission shaft 12 and enabling the transmission shaft 12 to rotate relative to the sleeve 16.

In some embodiments, as shown in fig. 4 and 5, the roller brush assembly 2 further includes a slider 24, and the slider 24 is disposed in the shaft hole and engaged with the driving head 13. The slide block 24 can slide in the shaft hole along the axial direction of the shaft hole, and when the transmission head 13 drives the slide block 24 to rotate, the slide block 24 can drive the rolling brush 21 to rotate at the same time. Through setting up slider 24 for the power of long arm actuating mechanism 1 effectively transmits to round brush 21, makes round brush 21 steady rotation, promotes structural stability.

In some embodiments, and with continued reference to FIG. 4, the outer wall of the slide 24 is provided with a plurality of ribs 241 extending axially along the shaft opening. A plurality of strip-shaped grooves (not shown in the figure) extending along the axial direction of the shaft hole are formed in the inner wall of the shaft hole, and the convex ribs 241 are arranged in the strip-shaped grooves in a one-to-one correspondence manner. Through the concave-convex cooperation of bead 241 and bar groove for slider 24 and round brush 21 radial positioning, when the slip rotates, can drive round brush 21 and rotate together with the power transmission of transmission head 13 to round brush 21.

As shown in fig. 5, a spring seat 25 is protruded from the bottom of the shaft hole, and a spring 26 is sleeved on the spring seat 25. The slider 24 is sleeved outside the spring seat 25 and the spring 26 and connected with the spring seat 25 through a pin 28. The spring 26 is used to apply a force to the slider 24 toward the drive head 13. The length of the strip-shaped groove is greater than that of the convex rib 241, and the convex rib 241 can slide along the strip-shaped groove. When the rolling brush assembly 2 is mounted on the long arm driving mechanism 1, the slider 24 moves toward the bottom of the shaft hole under the action of the driving head 13, and presses the spring 26, so that the spring 26 is compressed. When the rolling brush component 2 is detached from the long arm driving mechanism 1, the spring 26 releases elastic potential energy to push the sliding block 24 to move towards the direction of the transmission head 13, so that the rolling brush component 2 is convenient to pop up, and the rolling brush component 2 is more convenient to detach.

In some embodiments, as shown in FIG. 3, the drive head 13 is provided with a ring of external teeth. The end of the slider 24 facing the drive head 13 is recessed inwardly to form a cavity, the inner wall of which is provided with a ring of internal teeth (not shown), and the drive head 13 extends into the cavity so that the internal teeth mesh with the external teeth. Thus, the transmission head 13 and the slider 24 are tightly combined, and power transmission is facilitated.

With continued reference to FIG. 3, the drive head 13 includes a wedge head 131 and a connecting portion 132 connected to the wedge head 131. The external teeth are arranged on the wedge-shaped head 131, the connecting part 132 is fixedly sleeved with the third bearing 15, and the outer ring of the third bearing 15 is attached to the inner wall of the shaft hole; the cavity is wedge-shaped to fit the wedge head 131. The structure is more stable, and the third bearing 15 can play a role of supporting the transmission head 13, so that the transmission efficiency is kept.

As shown in fig. 4, the slider 24 has a truncated cone shape, and a concave cavity is formed at the end having the larger outer diameter and engaged with the driving head 13. The part of the shaft hole corresponding to the slider 24 is provided in a truncated cone shape fitting the shape of the slider 24. The slider 24 is designed to be in a circular truncated cone shape, so that under the abutting action of the transmission head 13, the slider 24 is stably combined with the hole wall of the shaft hole, the rolling brush 21 is pulled towards the left direction in fig. 5 under the action of external force, and after the first bearing 23 is separated from the elastic buckle 161, the spring 26 is facilitated to push the slider 24 to be separated from the transmission head 13, so that the rolling brush 21 is conveniently popped up.

As shown in fig. 5, a roller brush end cap 22 is provided on an end face of the first end of the roller brush 21, the first bearing 23 is disposed in contact with the roller brush end cap 22, and the first bearing 23 and the roller brush end cap 22 are fixed to the roller brush 21 by screws. The first bearing 23 is provided for rotation of the auxiliary roll brush 21. As shown in fig. 4 and 5, the second end of the roller brush 21 is recessed to form a gripping location, and a matrix plate 27 is provided in the gripping location. Through snatching a style of calligraphy board 27, conveniently take round brush subassembly 2, make things convenient for the dismouting of round brush subassembly 2. Since the second end of the roller brush 21 has only a concave gripping position, the bristles of the roller brush 21 can be directed to the edge.

The long arm driving mechanism 1 is fixed between the upper shell 3 and the lower shell 4, when the rolling brush component 2 needs to be installed, the rolling brush component 2 is only required to be sleeved on the sleeve 16 on the motor support 111 until the third bearing 15 and the inner wall of the rolling brush 21 are clamped in place, the transmission head 13 and the sliding block 24 are meshed in place, meanwhile, the elastic buckle 161 and the first bearing 23 are buckled (the outer wall of the sleeve 16 close to the first end of the sleeve 16 can be provided with two elastic buckles 161, and the two elastic buckles 161 are oppositely arranged on the periphery of the sleeve 16, as shown in fig. 3, so that the buckling force and stability between the elastic buckles 161 and the first bearing 23 can be improved), and the rolling brush component 2 cannot be loosened from the sleeve 16 when rotating under a certain force; when the rolling brush component 2 needs to be detached, the straight-line-shaped plate 27 at the grabbing position of the rolling brush 21 is only needed to be pinched and is directly taken out with force.

In some embodiments, as shown in FIG. 3, the power source 11 may be an electric motor. The long arm drive mechanism 1 further includes a motor bracket 111. The motor and the sleeve 16 are both arranged on the motor bracket 111 and are positioned on the same side of the motor bracket 111, and the output shaft of the motor is parallel to the sleeve 16. Reasonable layout, compact structure and space saving.

In some embodiments, as shown in fig. 3 and 5, the long arm drive mechanism 1 further comprises a first gear 18 and a second gear 19 located within the motor mount 111. A first gear 18 is provided on the output shaft of the motor, a second gear 19 is provided at a first end of the drive shaft 12, and the first gear 18 and the second gear 19 are connected by a drive belt 17. So, the motor drives second gear 19 through first gear 18 and drive belt 17 and rotates, transmission shaft 12 respectively with second gear 19, second bearing 14 and transmission head 13 tight fit, and transmission head 13 again with third bearing 15 tight fit, like this, along with second gear 19's rotation, just can will rotate the transmission through transmission shaft 12 and transmit for transmission head 13 and carry out the long arm drive, drive round brush 21 and rotate, realize cleanly.

With reference to fig. 3, the motor bracket 111 is a box-shaped structure adapted to the shape of the transmission belt 17, and the first gear 18, the second gear 19 and the transmission belt 17 are wrapped in the motor bracket 111, which is beneficial to the neatness of the structure and the protection of the components.

The utility model discloses the round brush 21 of mop subassembly is stretched into the inside drive of round brush 21 from the one end of round brush 21 by the long arm (transmission shaft 12 and sleeve pipe 16) of long arm actuating mechanism 1, and the degree of depth of stretching into, the intermediate line and the inclined to one side opposite side that the drive position will reach or surpass round brush 21 promptly, this kind of long arm stretches into the inside actuating mechanism of round brush 21, make the focus of round brush subassembly 2 can all fall on long arm actuating mechanism 1, the other end does not need the atress, it can not loose under certain dynamics to only need to detain 161 with the elasticity of long arm actuating mechanism 1 with first bearing 23 in the round brush subassembly 2 and the elasticity, other end brush hair is to the limit, the blind area of cleaning to the angular position has been reduced like this, accomplish no dead angle completely, the cleaning ability of whole scrubbing brush subassembly has been improved greatly.

The embodiment of the utility model provides a floor cleaning machine is still provided, floor cleaning machine includes the host computer and locates the handle on host computer upper portion (not shown in the figure). The floor washing machine further comprises a mop assembly in any one of the embodiments, and the mop assembly is arranged at the bottom of the main machine.

The utility model discloses floor cleaning machine, the brush hair of the one end of its round brush 21 arrives the limit completely, can lean on wall or corner to clean, accomplishes not clean blind area, improves user's the experience satisfaction that cleans.

The above description is intended to be illustrative, and not restrictive, and variations, modifications, substitutions, and alterations may be made to the above-described embodiments by those of ordinary skill in the art within the scope of the present disclosure. Also, the above-described examples (or one or more versions thereof) may be used in combination with each other, and it is contemplated that the embodiments may be combined with each other in various combinations or permutations.

Claims

1. A mop assembly comprising a housing, further comprising:

the rolling brush assembly comprises a rolling brush, wherein a shaft hole is formed in the rolling brush, and the shaft hole at least extends to the middle of the rolling brush from one end of the rolling brush in the axial direction;

2. The mop assembly of claim 1, wherein the rolling brush assembly further comprises a sliding block, the sliding block is disposed in the shaft hole and engaged with the driving head, the sliding block can slide in the shaft hole along the axial direction of the shaft hole, and the sliding block can drive the rolling brush to rotate simultaneously when the driving head drives the sliding block to rotate.

3. The mop assembly of claim 2, wherein a spring seat is convexly disposed at a bottom of the shaft hole, and a spring is sleeved on the spring seat; the sliding block is sleeved outside the spring seat and is connected with the spring seat through a pin shaft; the spring is used for applying acting force towards the transmission head to the sliding block; be equipped with on the outer wall of slider along a plurality of beads of the axial extension in shaft hole, be equipped with on the inner wall in shaft hole along a plurality of bar grooves of the axial extension in shaft hole, locating of bead one-to-one the bar inslot, and can follow the bar groove slides.

4. The mop assembly of claim 2, wherein the drive head has a ring of external teeth, the slider is recessed inwardly toward an end of the drive head to form a cavity, and an internal tooth is provided on an inner wall of the cavity, the drive head extending into the cavity such that the internal tooth engages the external teeth.

5. The mop assembly of claim 4, wherein the driving head comprises a wedge-shaped head and a connecting portion connected to the wedge-shaped head, the external teeth are disposed on the wedge-shaped head, a bearing is fixedly sleeved on the connecting portion, and an outer ring of the bearing is attached to an inner wall of the shaft hole; the cavity is wedge-shaped and is matched with the wedge-shaped head.

6. The mop assembly of claim 1, wherein the supporting and limiting member comprises a sleeve, the sleeve is sleeved outside the transmission shaft, the first end and the second end of the transmission shaft respectively extend out of the sleeve, and an elastic buckle is arranged on an outer wall of the sleeve close to the first end of the transmission shaft; a bearing is arranged at the hole end of the shaft hole; when the transmission shaft and the sleeve extend into the shaft hole of the rolling brush, the bearing passes over the elastic buckle, so that the elastic buckle is stopped at one side of the bearing, which faces the second end of the transmission shaft, and the rolling brush is limited to be separated from the sleeve.

7. The mop assembly of claim 6 wherein the power source is a motor, the long arm drive mechanism further comprises a motor bracket, the motor and the sleeve are both disposed on the motor bracket and on the same side of the motor bracket, and the output shaft of the motor is parallel to the sleeve.

8. The mop assembly of claim 7, wherein the long arm drive mechanism further comprises a first gear and a second gear within the motor bracket, the first gear being disposed on the output shaft of the motor, the second gear being disposed at the first end of the drive shaft, the first gear and the second gear being connected by a drive belt.

9. The mop assembly of claim 1 wherein the other end of the roller brush is recessed to form a catch location, the catch location having a pattern disposed therein.

10. A floor washing machine, comprising a main machine and a handle arranged on the upper part of the main machine, characterized in that the floor washing machine further comprises a mop assembly of any one of claims 1 to 9, wherein the mop assembly is arranged on the bottom of the main machine.