CN216675668U

CN216675668U - Mop with handle

Info

Publication number: CN216675668U
Application number: CN202122773371.1U
Authority: CN
Inventors: 张微
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-13
Filing date: 2021-11-13
Publication date: 2022-06-07
Anticipated expiration: 2031-11-13

Abstract

The utility model relates to a mop which comprises a support frame, wherein a front wiping plate and a rear wiping plate are arranged in the support frame, a cloth rolling barrel is arranged above the front wiping plate, a cloth rolling shaft mechanism is arranged above the rear wiping plate, a cleaning cloth sequentially passes through the cloth rolling barrel, the lower surface of the front wiping plate, the upper surface of the rear wiping plate and the lower surface of the rear wiping plate and then is connected with the cloth rolling shaft mechanism, and rolling mechanisms for driving the cloth rolling shaft mechanism to rotate are arranged on two sides above the rear part of the support frame. The cleaning cloth cleaning device is simple in structure, reasonable in design and convenient to use, cleaning cloth does not need to be replaced in the cleaning process, repeated cleaning of the cleaning cloth is avoided, water resources are saved, and cleaning efficiency is improved; meanwhile, the cloth rolling shaft mechanism can rotate conveniently to store dirty cloth through the rolling mechanism, and the cloth rolling shaft mechanism is more convenient to use.

Description

Mop with handle

Technical Field

The utility model relates to a mop.

Background

In daily life or working environment, cleaning work such as cleaning a table, mopping a floor and the like by using cleaning cloth cannot be avoided, but in the cleaning process of the traditional mop, the utilization rate of the cleaning cloth is only one side, the cleaning cloth needs to be disassembled for cleaning, and particularly when a large-area is cleaned, the cleaning cloth needs to be disassembled, cleaned and installed frequently, so that the cleaning efficiency is low, and the user experience is poor; meanwhile, the rag is repeatedly cleaned, so that water resource waste is caused.

Meanwhile, the problem that cleaning rags are inconvenient to install in a part of novel existing mop heads is that the rags need to be wound manually and finally need to pass through a rolling group manually, so that the manual operation space is limited, and new cleaning rags are inconvenient to install; when the rolling group drags and collects the rag, the rolling group touches dirt on the rag to cause the rag to be separated from the rolling surface part, namely, the left side and the right side of the rag are unevenly stressed, the left side and the right side of the rag are different in collected length, finally, cloth clamping is caused, and in addition, a device for conveniently and reliably driving and winding the dirty rag is not provided.

SUMMERY OF THE UTILITY MODEL

The mop is improved, namely the technical problem to be solved is to provide the mop, the cleaning rag is convenient to install, the dirty rag is reliably and visually collected, the dirty rag is fast to remove, the cleaning efficiency is improved, and the user experience is improved.

The cleaning cloth rolling device comprises a support frame, wherein a front cleaning plate and a rear cleaning plate are arranged in the support frame, a cloth rolling barrel is arranged above the front cleaning plate, a cloth rolling shaft mechanism is arranged above the rear cleaning plate, cleaning cloth sequentially passes through the cloth rolling barrel, the lower surface of the front cleaning plate, the upper portion of the rear cleaning plate and the lower surface of the rear cleaning plate and then is connected with the cloth rolling shaft mechanism, and rolling mechanisms for driving the cloth rolling shaft mechanism to rotate are arranged on two sides above the rear portion of the support frame.

Furthermore, the winding mechanism comprises two symmetrically arranged cloth winding wheels, and the upper surfaces of the cloth winding wheels are higher than the upper surface of the rear part of the support frame.

Furthermore, a driving gear is arranged on the inner side of the cloth rolling wheel, and driven gears meshed with the driving gear are arranged on two sides of the cloth rolling shaft mechanism.

Furthermore, a clamping groove is formed in the middle of the driven gear, and a clamping point matched with the clamping groove is formed in the end portion of the cloth rolling shaft mechanism.

Furthermore, the cloth rolling shaft mechanism comprises a first rod body and a second rod body, a clamping groove is formed in the middle of the first rod body and the second rod body after combination, two clamping blocks which are butted together are arranged in the clamping groove, one clamping block is located on the first rod body, and the other clamping block is located on the second rod body.

Further, the first body of rod includes fixed head, rotor head and the rotor rod that sets gradually from left to right, the fixed head is preceding to be equipped with the fluting, the rotor head just articulates inside the fluting with fluting sliding fit, the fixed head inboard is equipped with left slot, second body of rod right side is provided with right slot, second body of rod left side is provided with the left plug that extends to in the left slot, first body of rod right side is provided with the right plug that extends to in the right slot.

Furthermore, a sliding groove is formed in the rotating rod head, and a clamping pin extending into the sliding groove is arranged in the groove; springs are arranged between the inner side surface of the slot and the rotating rod head, between the inner side surface of the left slot and the left plug and between the inner side surface of the right slot and the right plug.

Furthermore, the two sides of the rear wiping plate are in running fit with the support frame, the side part of the support frame is also provided with a fastening groove, and the two sides of the rear wiping plate are provided with clamping plates capable of rotating into the fastening groove.

Furthermore, a mop frame is arranged outside the support frame, a universal handle is arranged above the mop frame, two sides of the mop frame are in running fit with two sides of the support frame, and a buckling block in clamping fit with the left side of the front wiping plate is arranged below the upper portion of the mop frame.

Furthermore, a front wiping plate is arranged below the front part of the support frame, a rear wiping plate is arranged below the rear part of the support frame, a rotating part which is matched with the support frame in a rotating mode is arranged above the rear wiping plate, a cloth rolling shaft mechanism is arranged above the rotating part, a transmission shaft is arranged above the cloth rolling shaft mechanism, a cloth shaft is arranged above the front wiping plate, a clamping part is arranged above the front wiping plate, and a cleaning cloth passes through the space between the cloth shaft and the clamping part and is connected with the cloth rolling shaft mechanism after sequentially passing through the lower surface of the front wiping plate, the transmission shaft and the lower surface of the rear wiping plate; the two ends of the transmission shaft are provided with driving reduction gears, the inner side of each driving reduction gear is provided with a transmission wheel, the two ends of the cloth rolling shaft mechanism are provided with transmission reduction gears meshed with the driving reduction gears, and the driving reduction gears and the transmission reduction gears are both positioned outside the supporting plate; the lower surface of the rotating part is parallel to the rear wiping plate, the two sides of the supporting frame are provided with accommodating clamping grooves for clamping the two sides of the rotating part, and the contact position of the rotating part and the accommodating clamping grooves is connected magnetically.

Compared with the prior art, the utility model has the following beneficial effects: the device has simple structure, reasonable design and convenient use, and by inverting the mop, the cloth rolling wheel is contacted with the ground, the cloth rolling wheel is slowly pushed forwards, and the cloth rolling wheel rotates to drive the driving gear to rotate, so that the driven gear and the cloth rolling shaft mechanism are driven to rotate, and dirty cleaning cloth is rolled; the mop of the device can be continuously mopped without changing cleaning rags; the noodle changing is simple, and an electric device is not needed; both sides of the cleaning cloth participate in cleaning, namely the bottom of the left side is in contact with the floor to form a side A, and the bottom of the right side is in contact with the floor to form a side B.

Drawings

Fig. 1 is a first perspective view of embodiment 1 of the present invention;

FIG. 2 is a perspective view of the second embodiment of the present invention 1;

FIG. 3 is an exploded view of example 1 of the present invention;

FIG. 4 is a sectional view of embodiment 1 of the present invention;

FIG. 5 is a schematic view of a wipe according to example 1 of the present invention before installation;

FIG. 6 is a schematic view of the cleaning cloth of example 1 after installation;

FIG. 7 is a schematic view of the dirty cloth roll-up operation of embodiment 1 of the present invention;

FIG. 8 is a schematic view of the structure of the rear wiping plate, the supporting frame and the handle holder in embodiment 1 of the present invention;

FIG. 9 is a schematic view of a rear wiper plate and a clamping plate according to embodiment 1 of the present invention;

FIG. 10 is a partial schematic view of a cloth beam winding mechanism and a driven gear according to embodiment 1 of the present invention;

FIG. 11 is a structural view showing an open state of a cloth beam mechanism in embodiment 1 of the present invention;

fig. 12 is a schematic view of the right side structure of the first rod and the second rod in accordance with embodiment 1 of the present invention;

FIG. 13 is a partial left side view of the first and second shafts in accordance with embodiment 1 of the present invention;

FIG. 14 is a schematic view of a mop in an upright position according to example 1 of the present invention;

FIG. 15 is a disassembled top view of the cloth beam mechanism in the embodiment 1 of the present invention;

FIG. 16 is a partial perspective view of the first embodiment 2 of the present invention;

FIG. 17 is a partial perspective view of the second embodiment of the present invention 2;

FIG. 18 is a schematic view showing the structure of a retainer, a rotating member and a transmission shaft according to embodiment 2 of the present invention;

FIG. 19 is a schematic view of a wipe according to example 2 of the present invention before installation;

FIG. 20 is a schematic view of a wipe according to example 2 of the present invention after installation;

FIG. 21 is a schematic view of a dirty cloth roll-up structure according to embodiment 2 of the present invention;

in the figure: 1-support frame, 110-fastening groove, 120-universal handle, 121-fastening block, 130-handle, 140-mop frame, 2-front wiping plate, 3-rear wiping plate, 31-clamping plate, 4-cloth rolling barrel, 5-cloth rolling shaft mechanism, 51-clamping point, 52-spring, 53-first rod body, 531-notch, 532-clamping pin, 533-sliding groove, 534-rotating rod, 535-left slot, 536-right plug, 537-rotating rod head, 538-fixing head, 54-second rod body, 541-right slot, 542-left plug, 55-clamping groove, 56-clamping block, 6-cleaning cloth, 7-rolling mechanism, 71-cloth rolling wheel, 72-driving gear, 73-driven gear, 731-clamping groove, 8-rotating part, 9-transmission shaft, 10-cloth shaft, 11-clamping part, 12-driving reduction gear, 13-transmission wheel, 14-transmission reduction gear, 15-accommodating clamping groove and 16-ball top plunger.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Example 1: as shown in fig. 1-15, in this embodiment, a mop is provided, which includes a support frame 1, a front wiping board 2 and a rear wiping board 3 are provided inside the support frame, a cloth winding drum 4 is provided above the front wiping board, a cloth winding shaft mechanism 5 is provided above the rear wiping board, a cleaning cloth 6 is connected to the cloth winding shaft mechanism after passing through the cloth winding drum, the lower surface of the front wiping board, the upper surface of the rear wiping board, and the lower surface of the rear wiping board in sequence, and two sides of the upper portion of the rear portion of the support frame are provided with winding mechanisms 7 for driving the cloth winding shaft mechanism to rotate.

Both sides of the cloth rolling cylinder can be provided with through holes for installing a cloth cleaning shaft for winding clean rags. The cleaning cloth shaft is provided with cleaning cloth which is axially compressed or folded at two sides, and the cleaning cloth can automatically extend along the axial direction after being wound out of the cleaning cloth shaft to cover the bottom surface of the side edge of the support frame.

In this embodiment, the winding mechanism 7 includes two symmetrically disposed cloth winding wheels 71, the upper surface of the cloth winding wheel is higher than the upper surface of the rear portion of the support frame, a driving gear 72 is disposed inside the cloth winding wheel, and driven gears 73 engaged with the driving gear are disposed on two sides of the cloth winding shaft mechanism. The middle part of the driven gear 73 is provided with a clamping groove 731, and the end part of the cloth rolling shaft mechanism is provided with a clamping point 51 matched with the clamping groove.

The clamping groove can be a square groove, and the clamping point is a rectangular block adapting to the square groove. This embodiment also can not set up gear mechanism, directly sets up the draw-in groove in the cloth rolling wheel inboard, cooperates the stuck point and drives the cloth rolling shaft.

In this embodiment, the cloth winding shaft mechanism 5 includes a first rod 53 and a second rod 54, and a spring 52 between the first rod and the second rod, a clamping groove 55 is formed in the middle of the first rod and the second rod after combination, two clamping blocks 56 are disposed in the clamping groove, one of the clamping blocks is disposed on the first rod, and the other clamping block is disposed on the second rod.

After finishing cleaning work and cutting off the cleaning cloth, when the dirty cleaning cloth needs to be removed, because the spring is arranged between the first rod body and the second rod body, a certain gap exists, the cloth rolling shaft mechanism is compressed to one end of the winding shaft mechanism, and then the other end of the cloth rolling shaft mechanism can be separated. After the first rod body and the second rod body are pulled in opposite directions respectively, the clamping blocks between the rod bodies can be separated, namely, the distance between the two rod bodies is reduced, and then the dirty cleaning cloth can be easily taken out and discarded.

Foretell first body of rod 53 includes fixed head 538, swing arm head 537 and swing arm 534 that set gradually from left to right, the fixed head is preceding to be equipped with fluting 531, the swing arm head just articulates inside the fluting with fluting sliding fit, the fixed head inboard is equipped with left slot 535, second body of rod right side is provided with right slot 541, second body of rod 54 left side is provided with left plug 542 that extends to in the left slot, the swing arm right side is provided with right plug 536 that extends to in the right slot.

A sliding groove is formed in the rotating rod head, and a clamping pin 532 extending into the sliding groove is arranged in the groove; springs 52 are arranged between the inner side surface of the slot and the rotating rod head, between the inner side surface of the left slot and the left plug and between the inner side surface of the right slot and the right plug.

When the rag is installed, when the fixed rag one end of cloth beam mechanism is opened to needs, the swing arm of the first body of rod moves to the left side along the length direction of the second body of rod, the right plug of the first body of rod is separated from the right slot of the second body of rod to the bayonet lock is taken as a rotation point, the second body of rod and the first body of rod are broken off, after one end of the rag is put into, the swing arm of the first body of rod is rotated, and the swing arm moves to the right and is inserted into the slot of the second body of rod, so that one end of the rag can be fixed.

In this embodiment, the two sides of the rear wiping plate are hinged to the supporting frame, the side portion of the supporting frame is further provided with a fastening groove 110, and the two sides of the rear wiping plate are provided with clamping plates 31 which can be clamped into the fastening groove.

The contact position of the clamping plate and the fastening groove, the contact position of the two side parts of the rear wiping plate and the support frame, and the contact position of the two side parts of the front wiping plate and the two inner side parts of the support frame are respectively provided with a magnet or a tension spring for further fixing through magnetic force.

In this embodiment, driven gear is through driven shaft and back wiping board both sides normal running fit, the driving gear is connected with the cloth rolling wheel through the driving shaft, the driving shaft runs through the support frame.

In this embodiment, a mop frame 140 is arranged outside the support frame, a universal handle 120 is arranged above the mop frame, two sides of the mop frame are rotatably matched with two sides of the support plate, and a buckle block 121 which is in clamping fit with the left side of the front wiping plate is arranged below the upper portion of the mop frame; a handle 130 is arranged above the universal handle.

The dirty cleaning cloth is collected in the furling mode, the cleaning cloth of the front cleaning plate needs to be kept in a loose state, the mop is inverted at the moment, the buckling block on the mop frame is in contact with the front cleaning plate, the front cleaning plate can be automatically pressed open by the buckling block at the moment, the cleaning cloth is kept in the loose state, and the dirty cleaning cloth can be furled.

In this embodiment, the cleaning cloth can be a breakpoint type cleaning cloth, after a part of cleaning cloth is used, the cleaning cloth is torn off above the rear cleaning plate, then the winding shaft mechanism is taken off, the first rod body is separated from the second rod body, and the dirty cleaning cloth is taken off; after discarding partial dirty rag, the board is wiped to the upset back, continues to fix again the rag that has not used up on roll-up spindle mechanism and with roll-up spindle mechanism reinstallate to the draw-in groove in.

In the process of dragging the cleaning cloth, the front cleaning plate is in close contact with the support frame under the action of lower pressure and magnetic force, so that the self-locking of the cleaning cloth is realized, and the cleaning cloth cannot be loosened; the back wiping plate adopts a reduction gear, needs larger moment when reversing along the direction of the non-rolling dirty wiping cloth, and can realize self-locking.

The elastic baffle is arranged on the front wiping plate, the dirty wiping cloth on the rolling shaft has larger and larger diameter along with the more dirty wiping cloth, and the elastic baffle is automatically pushed away, namely, the cleaning wiping cloth is installed once, and the dirty wiping cloth can be correspondingly discarded for many times as long as the dirty wiping cloth is discarded once.

The end face of one end of the rear wiping plate of the mop is a plane and can be erected vertically. Meanwhile, the mutually rotating surfaces of the universal handle are provided with the ball top plunger 16 and the groove, so that the handle cannot be inclined under the condition of no external force.

In the embodiment, when the dirty cleaning cloth needs to be rolled up, the whole bottom of the mop is upward, the cloth rolling wheel is in contact with the ground at the moment, the mop is pushed forward, the cloth rolling wheel rotates, and the cloth rolling shaft mechanism is driven to rotate through gear transmission, so that the dirty cleaning cloth is rolled up; it is worth explaining here that the inverted furling is beneficial to observing the furling progress by naked eyes, and after the furling is finished, the mop can be continuously mopped by turning the mop to a normal state.

In this embodiment, can also install water jet equipment additional, moist ground reaches better clean effect.

Example 2: on embodiment 1's basis, as shown in fig. 16-21, in this embodiment, support frame front portion below is the preceding board of wiping, support frame rear portion below is the back board of wiping, back wiping board the place ahead be equipped with support frame normal running fit rotate 8, it is provided with batching shaft mechanism 5 to rotate the piece top, batching shaft mechanism top is equipped with transmission shaft 9, preceding wiping board top is provided with cloth axle 10 for the clean rag of coiling, preceding wiping board top is provided with chucking spare 11, and the rag passes and is connected with batching shaft mechanism behind preceding wiping board lower surface, transmission shaft, the back wiping board lower surface in proper order between cloth axle and the chucking spare.

The cloth beam mechanism has the same structure as that of the cloth beam mechanism in embodiment 1.

The two ends of the transmission shaft are provided with driving reduction gears 12, the inner side of each driving reduction gear is provided with a transmission wheel 13, the two ends of the cloth rolling shaft mechanism are provided with transmission reduction gears 14 meshed with the driving reduction gears, and the driving reduction gears and the transmission reduction gears are both positioned outside the supporting plate.

Foretell rotate a lower surface and wipe the board parallel and level after with, the support frame both sides are provided with and hold the draw-in groove for rotate a both sides joint, rotate the piece and be connected for magnetism with the contact position who holds the draw-in groove.

In the embodiment, when the mop is in work, the rotating part is firstly turned out along the hinged point of the rotating part, the cloth rolling shaft mechanism is turned out along with the rotating part, the cleaning cloth roll is installed on the cloth shaft, the cleaning cloth passes through the space between the cloth shaft and the clamping part and sequentially passes through the lower surface of the front wiping plate, the transmission shaft and the lower surface of the rear wiping plate to be connected with the cloth rolling shaft mechanism, the rotating part is reset, the clamping part and the support frame are fixed again through magnetic force, so that the driving reduction gear is meshed with the transmission reduction gear again, and the mopping can be started; when dirty cleaning cloth needs to be rolled up, the universal handle and the mop frame are rotated, the mop is inverted, the cleaning cloth is loosened by the clamping piece under the action of the universal handle and the mop frame, the driving wheel is in contact with the ground, the driving wheel slowly rotates to drive the driving shaft to rotate, the driving reduction gear drives the driving reduction gear to rotate, so that the cloth rolling shaft mechanism is driven to rotate, and the dirty cloth is rolled up; when the dirty cleaning cloth needs to be cleaned, the cloth rolling shaft mechanism is only required to be taken down, and then the cleaning cloth is detached.

Any embodiment disclosed herein above is meant to disclose, unless otherwise indicated, all numerical ranges disclosed as being preferred, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the numerical values are too numerous to be exhaustive, some of the numerical values are disclosed in the present invention to illustrate the technical solutions of the present invention, and the above-mentioned numerical values should not be construed as limiting the scope of the present invention.

If the words "this patent does not see this description", "second", etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.

Meanwhile, if the utility model as described above discloses or relates to parts or structural members fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.

Any part provided by the utility model can be assembled by a plurality of independent components or can be manufactured by an integral forming process.

Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.

Claims

1. The utility model provides a mop, its characterized in that, includes the support frame, wiping board and back wiping board before the support frame is inside to be provided with, preceding wiping board top is provided with a cloth rolling barrel, back wiping board top is provided with a cloth rolling shaft mechanism, and the rag is connected with cloth rolling shaft mechanism behind cloth rolling barrel, preceding wiping board lower surface, back wiping board top, back wiping board lower surface in proper order, support frame rear portion top both sides are provided with and are used for driving cloth rolling shaft mechanism pivoted roll-up mechanism.

2. The mop of claim 1, wherein the retracting mechanism comprises two symmetrically arranged cloth rollers, and the upper surfaces of the cloth rollers are higher than the upper surface of the rear part of the support frame.

3. The mop as claimed in claim 2, wherein the cloth roller has a driving gear inside, and the cloth roller mechanism has driven gears on both sides thereof to engage with the driving gear.

4. The mop as claimed in claim 3, wherein the driven gear has a slot at the middle part thereof, and the cloth winding shaft mechanism has a fastening point at the end thereof for engaging with the slot.

5. The mop of claim 1, wherein the cloth roller mechanism comprises a first rod and a second rod, the first rod and the second rod form a clamping groove in the middle after being combined, two clamping blocks are arranged in the clamping groove and butt against each other, one clamping block is arranged on the first rod, and the other clamping block is arranged on the second rod.

6. The mop of claim 5, wherein the first rod comprises a fixed head, a rotary rod head and a rotary rod which are sequentially arranged from left to right, a slot is formed in the front of the fixed head, the rotary rod head is in sliding fit with the slot and is hinged inside the slot, a left slot is formed in the inner side of the fixed head, a right slot is formed in the right side of the second rod, a left plug extending into the left slot is formed in the left side of the second rod, and a right plug extending into the right slot is formed in the right side of the first rod.

7. The mop as in claim 6 wherein the head of the spin lever has a slot therein, the slot having a detent therein extending into the slot; springs are arranged between the inner side surface of the slot and the rotating rod head, between the inner side surface of the left slot and the left plug and between the inner side surface of the right slot and the right plug.

8. The mop as claimed in claim 1, wherein the rear wiping plate is rotatably engaged with the supporting frame at both sides thereof, the supporting frame is further provided with fastening grooves at side portions thereof, and the rear wiping plate is provided with catching plates at both sides thereof to be rotatable into the fastening grooves.

9. The mop as claimed in claim 1, wherein a mop frame is arranged outside the support frame, a universal handle is arranged above the mop frame, two sides of the mop frame are rotatably matched with two sides of the support frame, and a fastening block which is in clamping fit with the left side of the front wiping plate is arranged below the upper portion of the mop frame.

10. The mop as claimed in claim 1, wherein a front wiping plate is arranged below the front part of the supporting frame, a rear wiping plate is arranged below the rear part of the supporting frame, a rotating member which is matched with the supporting frame in a rotating manner is arranged above the rear wiping plate, a cloth rolling shaft mechanism is arranged above the rotating member, a transmission shaft is arranged above the cloth rolling shaft mechanism, a cloth shaft is arranged above the front wiping plate, a clamping member is arranged above the front wiping plate, and a cleaning cloth passes through the space between the cloth shaft and the clamping member and is connected with the cloth rolling shaft mechanism after sequentially passing through the lower surface of the front wiping plate, the transmission shaft and the lower surface of the rear wiping plate; the two ends of the transmission shaft are provided with driving reduction gears, the inner side of each driving reduction gear is provided with a transmission wheel, the two ends of the cloth rolling shaft mechanism are provided with transmission reduction gears meshed with the driving reduction gears, and the driving reduction gears and the transmission reduction gears are both positioned outside the supporting plate; rotate a lower surface and back and wipe the board parallel and level, the support frame both sides are provided with and hold the draw-in groove for rotate a both sides joint, rotate the piece and be connected for magnetism with the contact position who holds the draw-in groove.