CN218651700U - Roll and drag device and cleaning equipment - Google Patents

Abstract

The utility model relates to a cleaning equipment field discloses a roll and drag device and cleaning equipment, roll and drag the device and include the chassis, roll and drag, water spray mechanism, scrape water mechanism and sewage box, roll and drag and install on the chassis with rotating, water spray mechanism installs on the chassis and is located and rolls the front side that drags, it includes scraping strip and thrust subassembly to scrape water mechanism, it installs on the chassis and is located and rolls the rear side that drags to scrape the strip with floating, thrust subassembly is exerted towards scraping the strip and is rolled the thrust that drags so that scrape the strip extrusion and roll and drag, the sewage box is installed on the chassis, be equipped with the guiding gutter on scraping the strip, it rolls and drags the sewage that produces and gets into in the sewage box through the guiding gutter to scrape the strip extrusion. The utility model discloses can greatly improve and roll the life that drags, greatly reduced roll the use cost who drags the device, in addition, can effectively avoid rolling the fine hair of dragging and being sprayed water too much and lead to forming the condition of spot or water stain subaerial when cleaning ground.

Description

Roll and drag device and cleaning equipment

Technical Field

The utility model belongs to the cleaning device field specifically, relates to a roll and drag device and applied this to roll cleaning device who drags the device.

Background

In the existing roll dragging device, a fixed scraping strip is usually installed, the scraping strip is extruded and dragged, so that sewage carried by the roll dragging can be extruded and collected in a sewage box, but the roll dragging can rub with the scraping strip in the continuous rotating process due to the fact that the scraping strip is of a fixed installation structure, the diameter of the roll dragging is reduced, the extrusion force of the scraping strip on the roll dragging is gradually reduced until a gap is formed between the scraping strip and a roller, the scraping strip cannot extrude the roll dragging, at the moment, if the roll dragging is not changed in time, the problems of water leakage and great reduction of the cleaning effect of the roll dragging device can be caused, namely, in the existing roll dragging device, the service life of the roll dragging device is short, the roll dragging is frequently changed, and the use cost of the roll dragging device can be greatly increased.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned not enough or defect among the prior art, the utility model provides a roll and drag device and cleaning equipment aims at solving current roll and drags that to roll the life that drags in the device shorter, and the frequent change that rolls drags can greatly increased roll the technical problem who drags the use cost of device.

In order to achieve the above object, the utility model provides a roll and drag device, include:

a chassis;

the rolling tractor is rotationally arranged on the chassis;

the water spraying mechanism is arranged on the chassis and positioned on the front side of the rolling tractor;

the water scraping mechanism comprises a scraping strip and a thrust component, the scraping strip is floatingly mounted on the chassis and is positioned on the rear side of the roller tractor, the roller tractor firstly passes through the water spraying mechanism and then passes through the water scraping mechanism in the rotating process, and the thrust component applies thrust towards the roller tractor to the scraping strip so that the scraping strip extrudes the roller tractor; and

the sewage box is installed on the chassis, a diversion trench is formed in the scraping strip, and the scraping strip extrudes sewage generated by rolling and dragging enters the sewage box through the diversion trench.

Optionally, the sewage box is provided with a via hole, the wiper strip comprises a wiper strip body which is extruded to roll and drag, and a baffle assembly which is connected with the wiper strip body and bears thrust of the thrust assembly, an opening is formed between the baffle assemblies, the wiper strip further comprises a guide plate assembly which is connected with the edge of the opening and extends to the sewage box to penetrate through the via hole, and the guide groove is formed between the guide plate assemblies.

Optionally, the wiper strip body is arranged to be inclined downwards from the front edge to the rear edge, the front edge of the wiper strip body presses the roller, and the baffle plate assembly is located at the rear edge of the wiper strip body.

The baffle plate assembly comprises two baffle plates which are connected with the rear side edge of the scraping strip body and extend upwards, and the opening is formed between the adjacent end parts of the two baffle plates;

the front side surfaces of the two baffle plates facing the rolling tractor incline towards the opening respectively;

the guide plate assembly comprises a guide bottom plate and two guide side plates, the two guide side plates are respectively connected with the end parts adjacent to the baffle plates and are arranged oppositely, the guide bottom plate is connected between the bottoms of the two guide side plates and is connected with the rear side edge of the scraping strip body, and the two guide side plates and the guide bottom plate are enclosed to form the guide groove.

Optionally, the wiper strip further comprises a swing arm, one end of the swing arm is connected with the wiper strip body and the baffle assembly, and the other end of the swing arm is connected with the chassis in a swinging manner.

Optionally, the dirt box is located behind the wiper strip, the thrust assembly comprising:

the thrust piece is movably arranged on the front side wall of the sewage box, and one end of the thrust piece extends out of the outer side of the front side wall of the sewage box and is prevented from abutting against the scraping strip; and

the elastic piece is located in the sewage box, one end of the elastic piece abuts against the other end, away from the scraping strip, of the thrust piece, and the other end of the elastic piece abuts against the rear side wall of the sewage box.

Optionally, be equipped with the spacing portion that is the tube-shape in the sewage box, the one end of spacing portion with the front side wall of sewage box is connected, and the other end orientation the back lateral wall of sewage box extends, the front side wall of sewage box be equipped with the intercommunication outside with the inside through-hole of spacing portion, the thrust piece includes interconnect's thrust portion and sliding part, the sliding part is installed inside the spacing portion and can be followed the endwise slip of spacing portion, the thrust portion is followed the through-hole stretches out to the outside of the front side wall of sewage box and end support in scrape the strip, the one end of elastic component with the sliding part butt, the other end with the back lateral wall butt of sewage box.

Optionally, the water spraying mechanism comprises:

the water spraying box extends along the length direction of the roller mop, the water spraying box is provided with an internal water channel, a clear water inlet and a plurality of clear water outlets, the clear water inlet and the clear water outlets are respectively communicated with the internal water channel, and the clear water outlets are positioned on the bottom surface of the water spraying box and are arranged at intervals along the extending direction of the water spraying box; and

the connector, the connector is hollow structure and installs on the water spray box, with clear water entry intercommunication.

The utility model also provides a cleaning device, cleaning device includes clear water tank, sewage case and foretell roll and drag the device, clear water tank pass through drainage mechanism with water spray mechanism intercommunication, the sewage case through take out dirty mechanism with sewage box intercommunication.

Optionally, the cleaning device further comprises edge brushes arranged on two sides of the front part of the chassis, a rolling brush arranged in the middle of the chassis and a dust box arranged on the chassis, and the rolling brush is arranged on the rear part of the chassis.

In the utility model discloses an in roll and drag the device, the scraping strip is floatingly installed on the chassis, and the thrust subassembly is exerted to the scraping strip and is rolled the thrust that drags so that the scraping strip extrudees and drag, so set up, when the rolling drags when the in-process diameter that is worn and torn constantly is gradually dwindled hour, the scraping strip can keep extruding and roll and drag and the extrusion force can keep invariable under thrust drive of thrust subassembly, thereby can ensure to roll and drag the device and keep good clean effect, through this, greatly improved the life who rolls and drag, greatly reduced the use cost who rolls and drag the device; in addition, the scraping strip is located on the rear side of the roller mop, the water spraying mechanism is located on the front side of the roller mop, the roller mop rotates firstly through the water spraying mechanism and then through the water wiping mechanism, and therefore the fluff on the roller mop is sprayed by the water spraying mechanism, part of water is extruded out through the scraping strip firstly, and then the ground is cleaned.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is an exploded schematic view of a roller dragging device according to an embodiment of the present invention;

FIG. 2 is a side cross-sectional view of the roller drag device of FIG. 1;

FIG. 3 is a schematic view of the structure of the wiper strip of FIG. 1;

FIG. 4 is a schematic structural view of the water spray mechanism of FIG. 1;

fig. 5 is a side sectional view of a cleaning device in an embodiment of the present invention.

Description of reference numerals:

1. chassis

2. Rolling mop

3. Water spraying mechanism

31. Water spraying box 311 clear water outlet

32. Connecting head

4. Wiper mechanism

41. Wiper strip 411 wiper strip body

412. Baffle 413 diversion side plate

414. Diversion bottom plate 415 swing arm

42. Thrust assembly

421. Thrust part of thrust piece 421a

421b sliding part 422 elastic member

5. Sewage box

51. Via hole 52 limiting part

6. Side brush

7. Rolling brush

8. Dust box

9. Clean water tank

10. Sewage tank

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

In the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, top, bottom" and "upper" are generally used with respect to the orientation shown in the drawings or the positional relationship of the components with respect to each other in the vertical, vertical or gravitational direction.

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

The utility model discloses at first provide a roll and drag the device.

In one embodiment, referring to fig. 1 and 2, the roll dragging device includes a chassis 1, a roll dragging device 2, a water spraying mechanism 3, a water wiping mechanism 4, and a sewage box 5, the roll dragging device 2 is rotatably installed on the chassis 1, the water spraying mechanism 3 is installed on the chassis 1 and located on the front side of the roll dragging device 2, the water wiping mechanism 4 includes a scraping strip 41 and a thrust component 42, the scraping strip 41 is floatingly installed on the chassis 1 and located on the rear side of the roll dragging device 2, the roll dragging device 2 rotates to pass through the water spraying mechanism 3 and then pass through the water wiping mechanism 4, the thrust component 42 applies a thrust force towards the roll dragging device 2 to the scraping strip 41 so that the scraping strip 41 extrudes the roll dragging device 2, the sewage box 5 is installed on the chassis 1, a diversion trench is formed in the scraping strip 41, and sewage generated by the scraping strip 41 extruding the roll 2 enters the sewage box 5 through the diversion trench.

It can be understood that, in the roller dragging device of the present embodiment, the scraping bar 41 is floatingly mounted on the chassis 1, and the thrust assembly 42 applies a thrust force towards the roller dragging 2 to the scraping bar 41 so as to enable the scraping bar 41 to press the roller dragging 2, so that when the diameter of the roller dragging 2 gradually decreases in the process of continuous wear, the scraping bar 41 can keep pressing the roller dragging 2 and the pressing force can keep constant under the driving of the thrust assembly 42, thereby ensuring that the roller dragging device keeps a good cleaning effect, and through this, the service life of the roller dragging 2 is greatly prolonged, and the use cost of the roller dragging device is greatly reduced; in addition, the scraping strip 41 is positioned at the rear side of the roller mop 2, the water spraying mechanism 3 is positioned at the front side of the roller mop 2, the roller mop 2 firstly passes through the water spraying mechanism 3 and then passes through the water wiping mechanism 4 in the rotating process, so that the arrangement is realized, after the fluff on the roller mop 2 is sprayed by the water spraying mechanism 3, part of water is extruded through the scraping strip 41, and then the ground is cleaned, so that the condition that stains or water stains are formed on the ground when the ground is cleaned due to too much water sprayed on the fluff on the roller mop 2 can be effectively avoided.

In the present embodiment, the scraping bar 41 is floatingly mounted on the chassis 1, specifically, the scraping bar 41 is rotatably mounted on the chassis 1, for example, both ends of the scraping bar 41 are respectively connected with the chassis 1 in a swinging manner, the scraping bar 41 can always keep a tendency of rotating towards the roller 2 under the thrust driving of the thrust assembly 42, thereby realizing that the scraping bar 41 keeps pressing the roller 2 and the pressing force can be kept constant; alternatively, the scraping bar 41 is slidably mounted on the chassis 1, for example, a sliding rail is mounted on the chassis 1, the scraping bar 41 is slidably connected with the sliding rail, the scraping bar 41 can always keep the trend of sliding towards the roller 2 under the thrust driving of the thrust assembly 42, so that the scraping bar 41 can keep pressing the roller 2 and the pressing force can be kept constant.

Specifically, the two ends of the roller tractor 2 can be respectively arranged on the chassis 1 through bearings to realize rotation, the roller tractor device further comprises a driving motor and a gear transmission box, the driving motor and the gear transmission box are both arranged on the chassis 1, and an output shaft of the driving motor is in transmission connection with the roller tractor 2 through the gear transmission box to drive the roller tractor 2 to rotate.

In particular, the channels may be provided at the edge or at the bottom of the wiper strip 41.

In one embodiment, referring to fig. 1 to 3, the sewage box 5 is provided with a through hole 51, the wiper strip 41 includes a wiper strip body 411 of the squeeze roller 2, a baffle plate assembly connected to the wiper strip body 411 and bearing the thrust of the thrust assembly 42, an opening is formed between the baffle plate assemblies, the wiper strip 41 further includes a flow guide plate assembly connected to an edge of the opening and extending toward the sewage box 5 to pass through the through hole 51, and a flow guide groove is formed between the flow guide plate assemblies.

It can be understood that, in this embodiment, the baffle assembly cooperates with the baffle assembly to have the function of converging and guiding the sewage, specifically, the scraper body 411 extrudes and rolls the sewage generated by 2 to flow along the scraper body 411 and converge under the blocking and guiding of the baffle assembly to flow into the diversion trench formed between the baffle assemblies from the opening, and the sewage flows into the sewage box 5 under the guiding of the diversion trench, that is, the baffle assembly and the baffle assembly on the scraper body 411 effectively play the role of accommodating the sewage and accurately guiding the sewage into the sewage box 5, thereby effectively avoiding the problem of sewage leakage to other parts or places, and the baffle assembly also has the function of bearing the thrust assembly 42, without providing an additional part bearing the thrust of the thrust assembly 42, and effectively simplifying the structure of the scraper bar 41.

Specifically, in order to improve the strength of the structure of the wiper strip 41, a reinforcing rib may be connected between the baffle assembly and the wiper strip body 411.

In one embodiment, as shown in fig. 1 to 3, the wiper strip body 411 is disposed to be inclined downward from a front edge to a rear edge, the wiper strip body 411 has a front edge pressing roller 2, and the flapper assembly is disposed at the rear edge of the wiper strip body 411.

It can be understood that, the wiper strip body 411 is arranged from the front side edge to the rear side edge in a downward inclination manner, so that the sewage generated by the wiper strip body 411 extruding roller 2 can spontaneously flow to the rear side edge of the wiper strip body 411 from the front side edge of the wiper strip body 411 under the action of self gravity, and flows into the diversion trench through the opening formed between the baffle plate assemblies, thereby effectively avoiding the situation that the sewage is excessively detained on the wiper strip body 411.

In one embodiment, the baffle assembly includes two baffles 412 each connected to the rear side edge of the wiper strip body 411 and extending upward, with an opening formed between adjacent ends of the two baffles 412; the front sides of the two baffles 412 facing the roller mop 2 are respectively inclined towards the opening; the guide plate assembly comprises two guide side plates 413 and a guide bottom plate 414, the two guide plates 413 are respectively connected with the adjacent end parts of the two baffles 412 and are oppositely arranged, the guide bottom plate 414 is connected between the bottoms of the two guide plates 413 and is connected with the rear side edge of the scraping strip body 411, and the two guide side plates 413 and the guide bottom plate 414 are enclosed to form a guide groove.

Specifically, the two baffles 412 may be connected to the rear side edge of the wiper strip body 411 by welding, or the two baffles 412 may be integrally formed on the rear side edge of the wiper strip body 411.

Specifically, in the present embodiment, the two diversion side plates 413 may be connected to the adjacent ends of the two baffles 412 by welding, or the two diversion side plates 413 may be integrally formed at the adjacent ends of the two baffles 412, and the diversion bottom plate 414 may be connected between the bottoms of the two diversion plates 413 by welding, or the diversion bottom plate 414 may be integrally formed between the bottoms of the two diversion plates 413.

In other embodiments, the baffle assembly may include three or more baffles 412, the three or more baffles 412 are arranged at intervals on the rear side edge of the wiper strip body 411, an opening is formed between two adjacent baffles 412, the sewage box 5 is provided with via holes 51 corresponding to the plurality of openings, the wiper strip 41 further includes baffle assemblies respectively connected to the edges of the plurality of openings, and the plurality of baffle assemblies correspondingly drain the sewage flowing out from the plurality of openings into the sewage box 5 through the corresponding via holes 51.

It can be understood that the two baffles 412 are respectively inclined towards the opening towards the front side of the roller 2, so that when the sewage flows to contact the front sides of the two baffles 412, the sewage can converge along the front sides of the two baffles 412 and flow out of the opening, and the problem that the sewage stays at the connecting position of the baffles 412 and the rear side edge of the scraper bar body 411 can be avoided.

In an embodiment, the wiper strip 41 further comprises a swing arm 415, one end of the swing arm 415 is connected with the wiper strip body 411 and the baffle assembly, and the other end of the swing arm 415 is connected with the chassis 1 in a swinging manner, so that the wiper strip 41 can be rotatably mounted on the chassis 1, and the wiper strip has high structural strength and reliability.

In an embodiment, referring to fig. 1 and 2, the sewage box 5 is located behind the scraping bar 41, the thrust assembly 42 includes a thrust member 421 and an elastic member 422, the thrust member 421 is movably mounted on a front sidewall of the sewage box 5, one end of the thrust member 421 extends to an outer side of the front sidewall of the sewage box 5 and abuts against the scraping bar 41, the elastic member 422 is located in the sewage box 5, one end of the elastic member 422 abuts against the other end of the thrust member 421 away from the scraping bar 41, and the other end of the elastic member 422 abuts against a rear sidewall of the sewage box 5.

It can be understood that the thrust assembly 42 is mounted on the sewage box, and no additional component for supporting the thrust assembly 42 is arranged on the chassis 1, so that the structure of the rolling and dragging device is effectively simplified, and the compactness of the structure of the rolling and dragging device is improved.

Specifically, the sewage box 5 can be detachably mounted on the chassis 1 by a fastener such as a bolt, and the sewage box 5 can also be configured into a detachable structure so as to facilitate the detachment and installation of the thrust assembly 42.

Specifically, the wiper mechanism 4 may further include a plurality of thrust assemblies 42, and the plurality of thrust assemblies 42 are spaced along the length direction of the front sidewall of the sewage box 5, so that the plurality of thrust assemblies 42 apply force to the baffle assemblies respectively and simultaneously, thereby ensuring that the wiper strip 41 is uniformly attached to and pressed on the roller wiper 2.

In one embodiment, referring to fig. 1 and 2, a cylindrical limiting portion 52 is disposed in the sewage box 5, one end of the limiting portion 52 is connected to a front side wall of the sewage box 5, and the other end extends toward a rear side wall of the sewage box 5, a through hole 53 communicating an outer side with an inner side of the limiting portion 52 is disposed on the front side wall of the sewage box 5, the thrust member 421 includes a thrust portion 421a and a sliding portion 421b connected to each other, the sliding portion 421b is mounted in the limiting portion 52 and can slide in an axial direction of the limiting portion 52, the thrust portion 421a extends from the through hole 53 to the outer side of the front side wall of the sewage box 5 and stops against the scraping bar 41, one end of the elastic member 422 abuts against the sliding portion 421b, and the other end abuts against the rear side wall of the sewage box 5.

Specifically, the thrust portion 421a and the sliding portion 421b are each cylindrical, the diameter of the thrust portion 421a is smaller than the aperture of the through hole 53, and the diameter of the sliding portion 421b is larger than the aperture of the through hole 53 and smaller than the inner diameter of the limiting portion 52, so that the sliding portion 421b and the inner wall of the limiting portion 52 are in clearance fit, and under the elastic force of the elastic member 422, the sliding portion 421b has a tendency to slide toward the front side wall of the sewage cartridge 5 in the axial direction of the limiting portion 52, so that the thrust portion 421a has a tendency to protrude toward the outer side of the front side wall of the sewage cartridge 5 in the axial direction of the through hole 53, and when the diameter of the roller 2 is reduced, the thrust portion 421a can protrude from the through hole 53 to push the scraper bar 41 to float toward the roller 2 to maintain the pressing of the roller 2.

Specifically, the stopper portion 52 may be integrally formed inside the front side wall of the waste water box 5, and the thrust portion 421a and the sliding portion 421b may be of an integrally formed structure.

Specifically, the elastic member 422 may employ a pressure spring or an elastic sheet.

In one embodiment, referring to fig. 1 and 4, the water spraying mechanism 3 includes a water spraying box 31 and a connector 32, the water spraying box 31 extends along the length direction of the roller support 2, the water spraying box 31 is provided with an internal water channel, a clear water inlet and a plurality of clear water outlets 311, the clear water inlet and the plurality of clear water outlets 311 are respectively communicated with the internal water channel, the plurality of clear water outlets 311 are located on the bottom surface of the water spraying box 31 and are arranged at intervals along the extending direction of the water spraying box 31, and the connector 32 is a hollow structure and is installed on the water spraying box 31 and is communicated with the clear water inlet.

It can be understood that, the connector 32 is used for the conduit connection of the clean water tank to introduce clean water to the internal water channel of the water spraying box 31, and the clean water flows through the internal water channel and flows out from the plurality of clean water outlets 311 respectively and is sprayed on the roller mop 2, so that the fluff on the roller mop 2 can be uniformly and sufficiently wetted, and the cleaning effect of the roller mop 2 is effectively ensured.

Specifically, the internal water channel includes a plurality of flow channels, the water inlets of the plurality of flow channels are all communicated with the clean water inlet, and the water outlets of the plurality of flow channels are respectively communicated with the plurality of clean water outlets 311.

In one embodiment, the clear water outlet 311 is gradually enlarged from top to bottom, so as to further improve the uniformity of the spraying of the clear water from the water spraying mechanism 3 to the roller mop 2.

The utility model also provides a cleaning device.

In an embodiment, the cleaning device comprises a clean water tank 9, a sewage tank 10 and the rolling and dragging device, the clean water tank 9 is communicated with the water spraying mechanism 3 through the drainage mechanism, the sewage tank 10 is communicated with the sewage box 5 through the sewage pumping mechanism, the clean water in the clean water tank 9 can be input into the water spraying mechanism 3 through the drainage mechanism, the sewage collected in the sewage box 5 can be pumped away in time through the sewage pumping mechanism of the sewage tank 10, and a good cleaning effect of the rolling and dragging device is kept. The drainage mechanism and the sewage pumping mechanism both comprise a water pump and a pipeline.

In one embodiment, referring to fig. 5, the cleaning device further includes edge brushes 6 installed at both sides of the front portion of the chassis 1, a roller brush 7 installed at the center of the chassis 1, and a dust box 8 installed on the chassis 1, and the roller 2 is installed at the rear portion of the chassis 1.

In other embodiments, the chassis 1 may further include a chassis body and a rolling and dragging fixing bracket, the rolling and dragging device 2 is rotatably installed on the rolling and dragging fixing bracket, and the rolling and dragging fixing bracket is detachably installed on the chassis body, so that the rolling and dragging device 2 is convenient to disassemble and assemble.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims (10)

1. A roller coaster apparatus, comprising:

a chassis (1);

the rolling tractor (2) is rotationally arranged on the chassis (1);

the water spraying mechanism (3) is installed on the chassis (1) and is positioned on the front side of the rolling tractor (2);

the water scraping mechanism (4) comprises a scraping strip (41) and a thrust component (42), the scraping strip (41) is floatingly installed on the chassis (1) and is positioned at the rear side of the roller tractor (2), the roller tractor (2) passes through the water spraying mechanism (3) and then the water scraping mechanism (4) in the rotating process, and the thrust component (42) applies thrust towards the roller tractor (2) to the scraping strip (41) so that the scraping strip (41) presses the roller tractor (2); and

the sewage box (5), sewage box (5) are installed on chassis (1), be equipped with the guiding gutter on scraping strip (41), scrape strip (41) extrusion roll and drag the sewage warp that (2) produced the guiding gutter gets into in the sewage box (5).

2. The roll dragging device of claim 1, wherein the sewage box (5) is provided with a through hole (51), the scraping bar (41) comprises a scraping bar body (411) for extruding the roll dragging device (2), baffle plate assemblies connected with the scraping bar body (411) and bearing the thrust of the thrust assembly (42), an opening is formed between the baffle plate assemblies, the scraping bar (41) further comprises a flow guide plate assembly connected with the edge of the opening and extending towards the sewage box (5) to penetrate through the through hole (51), and the flow guide groove is formed between the flow guide plate assemblies.

3. The roller dragging device according to claim 2, characterized in that said scraper bar body (411) is arranged with a downward inclination from a front side edge to a rear side edge, said scraper bar body (411) being pressed by its front side edge against said roller dragging (2), said baffle assembly being located at the rear side edge of said scraper bar body (411).

4. The roll-dragging device according to claim 2, characterized in that said baffle assembly comprises two baffles (412) each connected to a rear side edge of said wiper strip body (411) and extending upward, said openings being formed between adjacent ends of said two baffles (412);

the front sides of the two baffles (412) facing the rolling mop (2) are respectively inclined towards the opening;

the guide plate assembly comprises a guide bottom plate (414) and two guide side plates (413), wherein the guide side plates (413) are respectively connected with two ends, adjacent to the baffle plate (412), of the baffle plate and are arranged oppositely, the guide bottom plate (414) is connected between the bottoms of the two guide side plates (413) and is connected with the rear side edge of the scraping strip body (411), and the two guide side plates (413) and the guide bottom plate (414) are enclosed to form the guide groove.

5. The roll-dragging device according to claim 2, characterized in that the scraper bar (41) further comprises a swing arm (415), one end of the swing arm (415) is connected with the scraper bar body (411) and the baffle assembly, and the other end of the swing arm (415) is connected with the chassis (1) in a swinging manner.

6. Roll-dragging device according to claim 1, characterized in that the sewage box (5) is located behind the wiper strip (41), the thrust assembly (42) comprising:

the thrust piece (421), the said thrust piece (421) can be installed on the anterior sidewall of the said sewage box (5) movably, one end of the said thrust piece (421) stretches out to the outside of the anterior sidewall of the said sewage box (5) and stops against the said scraping strip (41); and

elastic component (422), elastic component (422) are located in sewage box (5), the one end butt of elastic component (422) in thrust piece (421) are kept away from the other end of scraping strip (41), the other end butt of elastic component (422) in the back lateral wall of sewage box (5).

7. The roll-dragging device according to claim 6, wherein a cylindrical limiting portion (52) is arranged in the sewage box (5), one end of the limiting portion (52) is connected with a front side wall of the sewage box (5), the other end of the limiting portion extends towards a rear side wall of the sewage box (5), a through hole (53) which communicates the outside with the inside of the limiting portion (52) is formed in the front side wall of the sewage box (5), the thrust member (421) comprises a thrust portion (421 a) and a sliding portion (421 b) which are connected with each other, the sliding portion (421 b) is installed in the limiting portion (52) and can slide along the axial direction of the limiting portion (52), the thrust portion (421 a) extends out of the through hole (53) to the outside of the front side wall of the sewage box (5) and abuts against the scraping bar (41), one end of the elastic member (422) abuts against the sliding portion (421 b), and the other end of the elastic member abuts against the rear side wall of the sewage box (5).

8. Roll-dragging device according to claim 1, characterized in that said water spraying mechanism (3) comprises:

the water spraying box (31) extends along the length direction of the roller mop (2), the water spraying box (31) is provided with an internal water channel, a clear water inlet and a plurality of clear water outlets (311), the clear water inlet and the plurality of clear water outlets (311) are respectively communicated with the internal water channel, and the plurality of clear water outlets (311) are positioned on the bottom surface of the water spraying box (31) and are arranged at intervals along the extending direction of the water spraying box (31); and

connector (32), connector (32) are hollow structure and install on water spray box (31), with clear water entry intercommunication.

9. Cleaning apparatus, characterized in that it comprises a clean water tank (9), a dirty water tank (10) and a rolling device according to any one of claims 1 to 8, the clean water tank (9) being in communication with the water spraying means (3) through draining means, the dirty water tank (10) being in communication with the dirty water tank (5) through dirt pumping means.

10. The cleaning apparatus according to claim 9, further comprising side brushes (6) installed at both sides of the front of the chassis (1), a roller brush (7) installed at the center of the chassis (1), and a dust box (8) installed on the chassis (1), the roller mop (2) being installed at the rear of the chassis (1).

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