CN217365694U - Visible surface cleaning device of sewage - Google Patents

Abstract

The utility model discloses a visual surface cleaning device of sewage belongs to cleaning device technical field, including fuselage and clean subassembly, clean subassembly includes the cover, frame and cleaning roller, the bottom of cover is located to the frame, the cleaning roller axial is horizontal to be located in the frame and treat the clearance face by motor drive rotating contact, the cover is equipped with the dirty component of scraping that is used for scraping the cleaning roller, the lock can be dismantled in the frame to the cover, be equipped with in the frame and be used for collecting the cleaning roller and scraped the sewage box of extruding sewage by scraping dirty component, the cover can cover the sewage box, the cover corresponds sewage box department and is equipped with transparent window. The user learns the water yield condition and the filth condition in the sewage box through observing transparent window to remind the user to clear up the sewage box, avoid because of the too much condition that spills over clean subassembly of water yield in the sewage box, also avoid leading to the filth to bond on the inner wall of sewage box and produce the condition of mildening and rot, giving off odor because of not in time clearing up the sewage box, be favorable to improving user's use and experience.

Description

Visible surface cleaning device of sewage

Technical Field

The utility model relates to a cleaning device technical field especially relates to a visual surface cleaning device of sewage.

Background

In recent years, some intelligent cleaning devices are more and more widely applied to daily life, and various cleaning devices bring great convenience to the life of users. The floor cleaning machine is common cleaning equipment, a cleaning roller and a motor for driving the cleaning roller are arranged on a machine head of the floor cleaning machine, and when the machine body works, the motor drives the cleaning roller to roll to enable the cleaning roller to roll and clean a surface to be cleaned, so that the cleaning purpose is achieved. In order to collect the sewage absorbed by the cleaning roller during wiping, the floor wiping machine is generally further provided with a scraping strip for scraping the cleaning roller and a sewage box for collecting the sewage, the scraping strip scrapes the rotating cleaning roller, and the sewage extruded by the scraping of the cleaning roller flows into the sewage box. After the floor cleaning machine works for a period of time, the water quantity in the sewage box is increased, if the floor cleaning machine is not cleaned in time, the sewage in the sewage box easily overflows the machine head and secondarily pollutes the ground, the cleaning workload of a user can be increased, the dirt in the sewage is easily adhered to the inner wall of the sewage box, and if the floor cleaning machine is not cleaned in time, the condition of mildew and odor is easily generated, and the floor cleaning machine is not favorable for improving the use experience of the user.

SUMMERY OF THE UTILITY MODEL

In order to solve the shortcoming and the deficiency that exist among the above-mentioned prior art, the utility model provides a visual surface cleaning device of sewage effectively improves user's use and experiences.

In order to realize above-mentioned technical purpose, the utility model provides a pair of visual surface cleaning device of sewage, including the fuselage and the cleaning assembly of pin joint, the cleaning assembly includes cover, frame and cleaning roller, and the bottom of cover is located to the frame, and the cleaning roller axial horizontally is located in the frame and is treated the clearance face by motor drive rotating contact, and the cover is equipped with the dirty component of scraping that is used for scraping the cleaning roller, the lock can be dismantled in the frame to the cover, is equipped with in the frame to be used for collecting the cleaning roller and is scraped the sewage box of extruding sewage by the dirty component of scraping, and the cover can cover sewage box, and the cover corresponds sewage box department and is equipped with transparent window.

Preferably, the sewage box is provided with two box bodies with open tops and an avoiding opening arranged between the two box bodies.

Preferably, one side of the avoiding opening is provided with a communicating groove for communicating the two box bodies, and the transparent window is arranged corresponding to the communicating groove.

Preferably, the transparent window is arranged at the top of any box body.

Preferably, the cover includes inner cup and lock enclosing cover in inner cup, and the enclosing cover is equipped with the first window that is used for installing transparent window, and first window department is located to transparent window, and the inner cup is equipped with the opening corresponding to first window department.

Preferably, a sealing ring is arranged between the transparent window and the outer cover; or the inner cover is provided with a coaming which extends upwards to the first window around the through hole, and a sealing ring is arranged between the coaming and the outer cover; or the inner cover is provided with a coaming which extends upwards around the through hole to be abutted against the transparent window, and a sealing ring is arranged between the coaming and the transparent window; or, the enclosing cover is provided with a surrounding plate which surrounds the first window and extends downwards to the through hole, and a sealing ring is arranged between the surrounding plate and the inner cover.

Preferably, the cover includes that inner cup and lock are in the enclosing cover on the inner cup, and the enclosing cover is equipped with first window, and the inner cup corresponds first window department and is equipped with the second window, and first window and second window department all are equipped with transparent window, are equipped with the sealing washer between corresponding transparent window and the window.

Preferably, the bottom of cover is equipped with downward protrusion and is located the fender muscle of sewage box top, and the inboard of keeping off the muscle is located to transparent window.

Preferably, a cavity is formed by matching the inner cover and the outer cover, and a light-emitting piece is arranged in the cavity corresponding to the transparent window.

Preferably, the transparent window is fixedly embedded on the machine cover; or the transparent window is fixed on the machine cover through encapsulation and injection molding.

After the technical scheme is adopted, the utility model has the advantages of as follows:

1. the utility model provides a surface cleaning device, set up the sewage box in the frame, set up the transparent window that corresponds with the sewage box on the cover, the user can clearly learn the water yield condition and the filth condition in the sewage box through observing transparent window, so as to remind the user in time to clear up the sewage box, avoid causing secondary pollution's the condition to the surface that has cleared up because of the too much cleaning assembly that overflows of sewage water yield in the sewage box, also avoid leading to the filth to bond and produce on the inner wall of sewage box and milden and rot because of not in time clearing up the sewage box, the smelly condition, be favorable to improving user's use experience, convenience of customers uses next time. Because the lock can be dismantled to the cover in the frame, when needing to clear up the sewage box, take off the cover from the frame earlier, then just can be relaxed take out the sewage box and clear up it, help reducing the user to the clearance degree of difficulty of sewage box.

2. The sewage box can reasonably avoid a local structure of the frame through avoiding the opening, and can also be positioned on the frame through the avoiding opening, so that the cleaning assembly keeps compact overall structure and simultaneously improves the stability of the sewage box installed on the frame, the capacity of the sewage box can be ensured as much as possible, and the condition that the sewage in the sewage box overflows the cleaning assembly due to sudden acceleration or collision of the cleaning assembly is reasonably avoided.

3. The transparent window can correspond the intercommunication groove setting of two box bodys of intercommunication, because intercommunication groove and box body intercommunication, the liquid level in the liquid level of intercommunication groove department and the box body is in same height, rationally sets up the concrete position of transparent window, and the user of being convenient for learns the condition in the sewage box through observing transparent window. In addition, the transparent window is arranged corresponding to the communication groove, so that the influence on the layout of other components in the machine cover is small, and the installation space required by other components in the machine cover can be ensured to the maximum extent.

4. The top of arbitrary box body also can be located to transparent window, and transparent window is direct to correspond with the box body of sewage box, and the user can learn the condition of sewage box through the sewage condition in the transparent window direct observation box body, the user of being convenient for. In addition, on the premise of not causing installation interference to other components, the area of the transparent window can be properly increased, and the visual feeling of a user during observation is improved.

5. First window department on the enclosing cover can be located to transparent window, and the opening is set up to first window department of inner cup correspondence, sets up other relevant structures rationally according to the concrete position that sets up of transparent window, avoids causing the barrier to transparent window.

6. Make the cover correspond transparent window department through the sealing washer and keep sealed, avoid outside water to stretch into the inside of cover or spill cover through the gap of transparent window department through the inside of transparent window department infiltration cover, also can avoid the water in the sewage box, avoid sewage to remain in the gap, also be convenient for wash the transparency in order to guarantee transparent window to the cover.

7. Transparent window also can set to bilayer structure, effectively avoids between the two-layer transparent window of the sewage splash income of outside water or in the sewage box and influences the observation effect, is favorable to further improving user's use and experiences.

8. The inboard that keeps off the muscle is located to transparent window, keeps off the effect that the muscle has the drainage downwards to the sewage that flows into in the sewage box, enables the sewage of flow direction sewage box during downwards direct inflow sewage box, avoids sewage to flow to the below of transparent window along the cover bottom surface flow, helps making transparent window keep clean, guarantees that the user can clearly learn the condition in the sewage box through transparent window.

9. The inside of clean subassembly is darker because of light is not enough, corresponds transparent window department in inner cup and enclosing cover complex cavity and sets up the illuminating part, improves the inside luminance that corresponds transparent window department of clean subassembly through the illuminating part, and the user of being convenient for clearly observes the condition in the sewage box through transparent window, is favorable to further improving user's use and experiences.

10. Transparent window can direct fixed inlay the dress on the machine covers, also can be fixed in the machine through rubber coating injection moulding's mode and cover, rationally sets up the fixed mode of transparent window, guarantees the structural strength of transparent window when reducing the transparent window installation degree of difficulty.

Drawings

FIG. 1 is a perspective view of a surface cleaning apparatus according to an embodiment;

FIG. 2 is a top view of a cleaning assembly of a surface cleaning apparatus according to an embodiment;

FIG. 3 is a partial block diagram of a cleaning assembly of a surface cleaning apparatus according to one embodiment;

FIG. 4 is a block diagram of a sump case of a surface cleaning apparatus according to an embodiment;

FIG. 5 is a cross-sectional view of a cleaning assembly of a surface cleaning apparatus according to an embodiment, taken in a front-to-back direction;

FIG. 6 is an enlarged view taken at A in FIG. 5;

FIG. 7 is a view showing a transparent window of a cleaning unit of the surface cleaning apparatus according to the second embodiment;

FIG. 8 is a schematic view showing a transparent window of a cleaning unit of a surface cleaning apparatus according to an embodiment;

FIG. 9 is a block diagram of a cleaning assembly of the four surface cleaning apparatus of the embodiment, which is provided with a transparent window;

FIG. 10 is a block diagram of a cleaning assembly of the fifth surface cleaning apparatus of the example embodiment, with a transparent window;

FIG. 11 is a block diagram of a cleaning assembly of a six surface cleaning apparatus according to an embodiment, with a transparent window;

FIG. 12 is a cross-sectional view of the cleaning assembly of the seven surface cleaning apparatus of the example shown in the front-to-back direction.

In the figure, 10-cleaning component, 1-machine cover, 11-inner cover, 111-through hole, 112-surrounding edge, 12-outer cover, 131-first window, 132-second window, 14-sealing ring, 15-blocking rib, 16-coaming plate, 2-machine frame, 21-joint, 3-cleaning roller, 4-sewage box, 41-box body, 42-avoiding opening, 43-convex edge, 44-communicating groove, 5-transparent window, 61-first scraping strip, 62-second scraping strip, 7-luminous element and 20-machine body.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments. It is to be understood that the following terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like are used in an orientation or positional relationship relative to one another only as illustrated in the accompanying drawings and are used merely for convenience in describing and simplifying the invention, and do not indicate or imply that the device/component so referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be considered as limiting the invention.

Example one

As shown in fig. 1 to 6, the embodiment of the utility model provides a pair of visual surface cleaning device of sewage, including the fuselage 20 and the cleaning assembly 10 of pin joint, cleaning assembly 10 includes cover 1, frame 2 and cleaning roller 3, and the bottom of cover 1 is located to frame 2, and the cleaning roller 3 axial levelness is located on frame 2 and is waited the clearance face by motor drive rotary contact, and cover 1 is equipped with the dirty component of scraping that is used for scraping cleaning roller 3. Cover 1 can dismantle the lock in frame 2, is equipped with in frame 2 to be used for collecting cleaner roller 3 and is scraped the sewage box 4 that extrudes sewage by scraping dirty component, and cover 1 can cover sewage box 4, and cover 1 corresponds 4 departments of sewage box and is equipped with transparent window 5.

The user can clearly know the water yield condition and the filth condition in the sewage box through observing transparent window to remind the user in time to clear up the sewage box, avoid causing secondary pollution's the condition to the surface of clearing up because of the too much clean subassembly that overflows of sewage water yield in the sewage box, also avoid leading to the filth to bond on the inner wall of sewage box and producing mildenes and rot because of not in time clearing up the sewage box, the smelly condition, be favorable to improving user's use and experience, convenience of customers uses next time. Because the lock can be dismantled to the cover in the frame, when needing to clear up the sewage box, take off the cover from the frame earlier, then take out the sewage box that just can relax and clear up it, help reducing the clearance degree of difficulty of user to the sewage box.

In this embodiment, a joint 21 pivotally coupled to the body 20 is disposed at the rear side of the frame 2, and the bottom end of the body 20 is pivotally coupled to the joint 21. The cleaning rollers 3 are provided with two cleaning rollers and are respectively arranged on the front side and the rear side of the frame 2, and the axial direction of the cleaning rollers 3 is arranged along the left-right direction. The scraping member is preferably provided as a scraping strip, the length direction of which is arranged in parallel with the axial direction of the cleaning roller 3, and the scraping strip is fixed to the bottom of the cover 1. The wiper strip includes a first wiper strip 61 corresponding to the front cleaning roller 3 and a second wiper strip 62 corresponding to the rear cleaning roller 3. The first scraping strip 61 is a long one, and the tail end of the first scraping strip 61 is in interference fit with the front cleaning roller 3. The second scraping strips 62 are provided with two short scraping strips 62, the two second scraping strips 62 are distributed side by side along the axial direction of the cleaning roller 3 and are respectively positioned at the left side and the right side of the joint 21, and the tail ends of the second scraping strips 62 are in interference fit with the rear cleaning roller 3.

Sewage box 4 can be dismantled and locate frame 2 on and be located between two cleaning roller 3, and sewage box 4 is equipped with two box bodys 41, and the middle part of 4 rear sides of sewage box is equipped with the mouth 42 of dodging that is used for dodging joint 21, and two box bodys 41 are located the left and right sides of dodging mouth 42 respectively, and the front side of dodging mouth 42 is equipped with the intercommunication groove 44 of two box bodys 41 of intercommunication. The sewage box 4 reasonably avoids the joint 21 on the frame 2 through the avoiding port 42, and can also be positioned on the frame 2 through the matching of the avoiding port 42 and the joint 21, so that the cleaning component 10 keeps compact integral structure and simultaneously improves the stability of the sewage box 4 installed on the frame 2, the capacity of the sewage box 4 is ensured as much as possible, and the condition that the sewage in the sewage box 4 overflows due to sudden acceleration or collision of the cleaning component 10 is avoided. The top of the front side wall and the back side wall of the sewage box 4 are provided with convex edges 43 which extend towards the corresponding cleaning rollers 3 in an inclined mode, and sewage which is scraped and extruded by the cleaning rollers 3 by the scraping strips flows into the sewage box 4 downwards along the convex edges 43.

In this embodiment, the transparent window 5 is disposed corresponding to the communication groove 44, that is, the transparent window 5 is located right above the communication groove 44. Because the communicating groove 44 is communicated with the box body 41, the liquid level at the communicating groove 44 is at the same height as the liquid level in the box body 41, the specific position of the transparent window 5 is reasonably arranged, and the user can conveniently observe the condition in the sewage box 4 through the transparent window 5. In addition, the transparent window 5 is arranged corresponding to the communication groove 44, which has little influence on the layout of other components in the cover 1 and can ensure the installation space required by other components in the cover 1 to the maximum extent.

The cover 1 comprises an inner cover 11 and an outer cover 12 buckled on the top of the inner cover 11, the outer cover 12 is provided with a first window 131 for installing the transparent window 5, the transparent window 5 is arranged at the first window 131, and the inner cover 11 is provided with a through hole 111 positioned right below the first window 131. Transparent window 5 adopts transparent material to make, sets up opening 111 and avoids causing the barrier to transparent window 5. In this embodiment, the transparent window 5 is embedded in the first window 131. The top surface of inner cup 11 is equipped with that the round is located enclosing along 112 of opening 111 periphery, and the upper portion of transparent window 5 is located first window 131 on outer cup 12, and the bottom of transparent window 5 supports on inner cup 11 and is located and encloses along 112 interior week, and transparent window 5 obtains the location support through the conflict with inner cup 11, makes transparent window 5 receive transversely spacingly through enclosing along 112, helps improving transparent window 5's structural stability.

In order to avoid outside water to permeate the inside of cover 1 through the gap between transparent window 5 and enclosing cover 12, be equipped with sealing washer 14 between transparent window 5 and the enclosing cover 12, also can avoid sewage to remain in the gap through sealing washer 14, be convenient for wash the transparency in order to guarantee transparent window 5 to cover 1. In addition, a sealing gasket can be arranged between the bottom end of the transparent window 5 and the top wall of the inner cover 11.

In order to avoid the sewage flowing along the bottom surface of the cover 1 and flowing to the lower part of the transparent window 5, the bottom of the cover 1 is provided with a blocking rib 15 which protrudes downwards and is positioned above the sewage box 4, and the transparent window 5 is arranged at the inner side of the blocking rib 15. In this embodiment, keep off muscle 15 and locate the bottom of inner cup 11, keep off muscle 15 and include the preceding fender muscle that corresponds with front side cleaning roller 3 and keep off the muscle with the back that rear side cleaning roller 3 corresponds, keep off muscle 15 and be the inboard towards one side at cover 1 center, transparent window 5 locates the one side that keeps off muscle 15 towards cover 1 center promptly. Keep off muscle 15 and have the effect of drainage downwards to the sewage that flows into in the sewage box 4, enable sewage and directly flow into in the sewage box 4 downwards, avoid sewage to flow to the below of transparent window 5 along the cover 1 bottom surface, make transparent window 5 department keep clean, guarantee that the user can clearly know the condition in the sewage box 4 through transparent window 5.

The device during operation, the user can be through observing the condition in the clear acquireing sewage box 4 of 5 departments of transparent window, the user can in time clear up sewage box 4 according to the condition of knowing, avoid spilling in the subaerial that has cleared up because of the sewage water yield is too much spills over the sewage box, also avoid leading to the filth to bond and produce and milden and rot on the inner wall of sewage box because of not in time clearing up the sewage box, the smelly condition, improve user's use experience, convenience of customers uses next time. When the sewage box 4 needs to be cleaned, the cover 1 is taken down from the frame 2, and then the sewage box 4 is taken out and cleaned.

It is understood that the transparent window 5 may be made of a transparent material such as plastic, resin, etc.

It is understood that, if the transparent window 5 is in a sheet shape, it can be fixed at the first window 131 by gluing or the like.

It is understood that the transparent window 5 can also be fixed to the first window 131 of the cover 12 by over-molding.

It will be understood that a locking structure for fixing the cover to the frame is provided between the frame 2 and the cover 1, and the specific structure of the locking structure is referred to the prior art.

It should be understood that the specific structure of the dirt scraping member is not limited to the scraping strip described above and shown in the drawings, and other reasonable structures such as a scraping edge formed by a cover may be adopted.

It is understood that only one cleaning roller 3 may be provided, in which case the cleaning roller 3 is preferably provided at the front side of the frame 2, the sewage box 4 is provided at the rear side of the cleaning roller 3, and only one scraping strip and one blocking rib 15 are provided.

Example two

As shown in fig. 7, the inner lid 11 is provided with a collar 16 extending upwardly around the through opening 111 into the first window 131, and a sealing ring 14 is provided between the collar 16 and the outer lid 12. In this embodiment, a circle of steps is disposed on the inner wall of the enclosing plate 16 for supporting the transparent window 5, the sealing ring 14 is disposed in the first window 131, the lower portion of the sealing ring 14 is located at the periphery of the enclosing plate 16, and the upper portion of the sealing ring 14 is located at the periphery of the transparent window 5.

The other structures of the second embodiment are the same as those of the first embodiment, and are not described in detail here.

It will be appreciated that the transparent window 5 may be in sealing engagement with the top side of the enclosure 16 by means of a sealant or gasket.

EXAMPLE III

In this embodiment, as shown in fig. 8, the inner lid 11 is provided with a ring of surrounding plate 16 extending upward around the through opening 111 to abut against the transparent window 5, and a sealing ring 14 is provided between the surrounding plate 16 and the transparent window 5. Specifically, the sealing ring 14 is sleeved at the top end of the enclosing plate 16, a circle of groove for inserting the top end of the enclosing plate 16 is formed at the bottom of the transparent window 5, and the top end of the enclosing plate 16 and the sealing ring 14 are arranged in the groove.

The other structures of the third embodiment are the same as those of the first embodiment, and are not described in detail here.

It will be appreciated that the peripheral edge of the transparent window 5 may be sealingly engaged with the outer cover 12 by a sealant or another sealing ring.

Example four

As shown in fig. 9, the outer lid 12 is provided with an enclosure 16 extending downwardly into the through opening 111 around the first window 131, and a sealing ring 14 is provided between the enclosure 16 and the inner lid 11. Specifically, a circle of steps are arranged on the inner wall of the through opening 111, the sealing ring 14 is sleeved at the bottom end of the enclosing plate 16, and the bottom end of the enclosing plate 16 and the sealing ring 14 abut against the steps on the inner wall of the through opening 111. In order to position and support the transparent window 5, a circle of convex ring is arranged on the inner wall of the enclosing plate 16, and the transparent window 5 is abutted against the convex ring on the inner wall of the enclosing plate 16 and is positioned vertically.

The other structures of the fourth embodiment are the same as those of the first embodiment, and are not described in detail here.

It will be appreciated that the peripheral edge of the transparent window 5 may be sealingly engaged with the outer cover 12 by a sealant or another sealing ring.

EXAMPLE five

As shown in fig. 10, in the present embodiment, the outer cover 12 is provided with a first window 131, the inner cover 11 is provided with a second window 132 corresponding to the first window 131, the first window 131 and the second window 132 are both provided with transparent windows 5, and a sealing ring 14 is disposed between the corresponding transparent windows 5 and the windows. Specifically, the second window 132 is located right below the first window 131, a circle of steps are respectively arranged on the inner wall of the first window 131 and the inner wall of the second window 132, and the sealing ring 14 is located between the corresponding transparent window 5 and the steps.

The other structures of the fifth embodiment are the same as those of the first embodiment, and are not described in detail here.

It will be appreciated that the corresponding transparent window 5 may also be sealingly engaged with the window opening by a sealant.

It is understood that the transparent window 5 can also be fixed to the corresponding window by over-molding.

EXAMPLE six

As shown in fig. 11, the inner cover 11 and the outer cover 12 are matched to form a cavity, the cleaning assembly 10 is dark due to insufficient light, so that a user can observe the condition in the sewage box 4 more clearly through the transparent window 5, and a light-emitting member 7 is arranged in the cavity corresponding to the transparent window 5. In this embodiment, illuminating part 7 preferably adopts the lamp pearl, and the lamp pearl passes through the wire and is connected with the battery electricity on the fuselage 20. When the device is started, the lamp beads automatically light. When the device was shut down, the lamp pearl was automatic to be extinguish.

Other structures of the sixth embodiment are the same as those of the first embodiment, and are not described in detail here.

It will be appreciated that other suitable light emitting electronic components may be used for the light emitting member 7.

It will be appreciated that the light emitting member 7 may be secured to the inner cover 11, may be secured to the outer cover 12, and may be disposed between the inner cover 11 and the outer cover 12 by a locating structure.

It is understood that the illuminating element 7 can be arranged below the transparent window 5, above the transparent window 5, or flush with the transparent window 5.

It is to be understood that the sixth embodiment may also be combined with any one of the second, third, fourth, and fifth embodiments.

EXAMPLE seven

As shown in fig. 12, in the present embodiment, the transparent window 5 is provided at the top of the left case 41.

The other structures of the seventh embodiment are the same as those of the first embodiment, and are not described again.

It will be appreciated that the transparent window 5 may also be provided at the top of the right box 41.

It will be appreciated that the transparent windows 5 may be provided on both the top of the left case and the top of the right case.

It is to be understood that the seventh embodiment may be combined with any one of the second embodiment, the third embodiment, the fourth embodiment, the fifth embodiment, and the sixth embodiment.

In addition to the above preferred embodiments, the present invention has other embodiments, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope defined by the appended claims.

Claims (10)

1. The utility model provides a visual surface cleaning device of sewage, includes the fuselage and the clean subassembly of pin joint, and clean subassembly includes cover, frame and cleaning roller, and the bottom of cover is located to the frame, and the cleaning roller axial direction horizontally locates in the frame and treats the clearance face by motor drive rotating contact, and the cover is equipped with the dirty component of scraping that is used for scraping the cleaning roller, its characterized in that, the lock can be dismantled in the frame to the cover, is equipped with in the frame to be used for collecting the cleaning roller and is scraped the dirty component and scrape the sewage box of extruding sewage, and the cover can cover sewage box, and the cover corresponds sewage box department and is equipped with transparent window.

2. A surface cleaning apparatus as claimed in claim 1, characterised in that the dirt box is provided with two open-topped boxes and an escape opening provided between the two boxes.

3. The surface cleaning device of claim 2, wherein a communication groove is formed in one side of the avoiding opening and communicates the two box bodies, and the transparent window is arranged corresponding to the communication groove.

4. A surface cleaning apparatus as claimed in claim 2, wherein the transparent window is provided at the top of any one of the cartridges.

5. The surface cleaning apparatus of claim 3 or 4, wherein the cover comprises an inner cover and an outer cover fastened to the inner cover, the outer cover has a first window for receiving the transparent window, the transparent window is disposed at the first window, and the inner cover has a through opening corresponding to the first window.

6. A surface cleaning apparatus as claimed in claim 5, characterised in that a sealing ring is provided between the transparent window and the outer cover; or the inner cover is provided with a coaming which extends upwards to the first window around the through hole, and a sealing ring is arranged between the coaming and the outer cover; or the inner cover is provided with a coaming which extends upwards around the through hole to be abutted against the transparent window, and a sealing ring is arranged between the coaming and the transparent window; or, the enclosing cover is provided with a surrounding plate which surrounds the first window and extends downwards to the through hole, and a sealing ring is arranged between the surrounding plate and the inner cover.

7. The surface cleaning device of claim 3 or 4, wherein the cover comprises an inner cover and an outer cover fastened to the inner cover, the outer cover is provided with a first window, the inner cover is provided with a second window corresponding to the first window, the first window and the second window are both provided with transparent windows, and a sealing ring is arranged between the corresponding transparent windows.

8. A surface cleaning apparatus as claimed in claim 3 or 4, characterised in that the bottom of the lid is provided with a downwardly projecting retaining rib located above the waste box, and the transparent window is located on the inner side of the retaining rib.

9. The surface cleaning device of claim 3 or 4, wherein the cover comprises an inner cover and an outer cover fastened to the inner cover, the inner cover and the outer cover cooperate to form a cavity, and a light emitting member is disposed in the cavity corresponding to the transparent window.

10. The surface cleaning apparatus of claim 1, wherein the transparent window is fixedly mounted to the cover; or the transparent window is fixed on the machine cover through encapsulation and injection molding.

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