CN216020818U - Surface cleaning device with good wiping effect - Google Patents

Abstract

The utility model discloses a surface cleaning device with good wiping effect, which belongs to the technical field of cleaning equipment and comprises a machine body provided with a roller brush cavity and a liquid spraying component, wherein a cleaning roller is arranged in the roller brush cavity, a dirt scraping component is arranged on the cavity wall of the roller brush cavity, the cleaning roller rotates to rub the end part of the dirt scraping component to remove dirt, the liquid spraying component provides cleaning liquid for the cleaning roller, a release section positioned behind the dirt scraping component is arranged on the cavity wall of the roller brush cavity in the rotating direction of the cleaning roller, the distance between the release section and the center of the cleaning roller is larger than the outer diameter of the cleaning roller, the liquid spraying component comprises a nozzle arranged at the release section, and the nozzle is arranged towards the cavity wall of the roller brush cavity to disperse the cleaning liquid. The bristles on the cleaning roller are rebounded to the proper position when the bristles rotate to the releasing section, so that the cleaning liquid can be fully absorbed and then wetted, and the wetting effect of the cleaning roller is improved. The partial cleaning liquid sprayed from the nozzle is sprayed to the wall of the roller brush cavity to wash the wall of the roller brush cavity, so that the dirt adsorbed and accumulated on the wall of the roller brush cavity is reduced.

Description

Surface cleaning device with good wiping effect

Technical Field

The utility model relates to the technical field of cleaning equipment, in particular to a surface cleaning device with a good wiping effect.

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 vertically rotate so that the cleaning roller rolls and cleans a surface to be cleaned, so that the cleaning purpose is realized.

In order to improve the wiping effect of the cleaning roller, the head is further provided with a scraping strip which is abutted against the cleaning roller, and when the cleaning roller rotates, the scraping strip scrapes the cleaning roller and can remove part of dirt adsorbed on the cleaning roller. In order to allow the cleaning roller to wipe the surface to be cleaned in a wet state, the body is generally provided with a liquid ejecting member that ejects cleaning liquid onto the cleaning roller to cause the cleaning roller to absorb and wet.

In the existing floor wiping machine structure, a nozzle of a liquid spraying component is generally arranged close to a scraping strip, and as bristles on a cleaning roller are crushed when being contacted with the scraping strip, most of cleaning liquid sprayed from the nozzle falls on the bristles which are not rebounded in place, the cleaning liquid cannot be well absorbed by the bristles under the action of surface tension, and the wetting effect of the cleaning roller is poor. In addition, when the cleaning roller rotates, dirt adsorbed on the cleaning roller can be separated from the cleaning roller under the action of centrifugal force, part of the dirt separated from the cleaning roller can fall on the inner wall of the machine head and be adsorbed, after the cleaning roller is used for a period of time, the dirt on the inner wall of the machine head is accumulated, part of the dirt can reversely fall on the cleaning roller, the cleanliness of the cleaning roller is not guaranteed, the wiping effect of the cleaning roller is not improved, and the dirt which does not fall back can become mildewed and smelly if not cleaned in time, so that the sanitation and the health are affected.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects in the prior art, the utility model provides the surface cleaning device with good wiping effect, which can effectively improve the wiping effect of the cleaning roller.

In order to achieve the technical purpose, the surface cleaning device with good wiping effect comprises a machine body, wherein the machine body is provided with a roller brush cavity and a liquid spraying component, a rotatable cleaning roller is arranged in the roller brush cavity, a dirt scraping component is arranged on the cavity wall of the roller brush cavity, the end part of the dirt scraping component is in contact with the surface of the cleaning roller to remove dirt on the surface of the cleaning roller, the liquid spraying component is used for providing cleaning liquid for the cleaning roller, a release section is arranged behind the dirt scraping component on the cavity wall of the roller brush cavity in the rotating direction of the cleaning roller, the distance between the release section and the center of the cleaning roller is larger than the outer diameter of the cleaning roller, the liquid spraying component comprises a nozzle arranged at the release section, and the nozzle is arranged towards the cavity wall of the roller brush cavity to disperse the cleaning liquid.

Preferably, the nozzles are oriented in the same direction as the direction of rotation of the scrub roller.

Preferably, an included angle theta is formed between the orientation of the spray nozzles and the tangential direction of the rotation direction of the cleaning roller, and the theta is more than or equal to 10 degrees and less than or equal to 35 degrees.

Preferably, the spout is provided at the front of the release section.

Preferably, the rear part of the release section is provided with a water blocking part which guides the cleaning liquid to the cleaning roller.

Preferably, the spray opening is arranged in plurality at intervals along the axial direction of the cleaning roller.

Preferably, the liquid spraying component comprises a liquid containing box and a pump which are connected through a water pipe, a circulation channel is arranged between each nozzle and the pump, and the path length of each circulation channel is consistent.

Preferably, an included angle beta with the axis of the cleaning roller as the center of a circle is arranged between the front end and the rear end of the release section, and the included angle beta is less than or equal to 180 degrees.

Preferably, the cavity wall in roller brush chamber is equipped with the conflict section that is located between scraping dirty component and the release section, and the distance between conflict section and the cleaning roller axle center is less than the external diameter of cleaning roller and is greater than the distance between the tip of scraping dirty component and the cleaning roller axle center.

Preferably, the front end of the interference section is continuously arranged with the end part of the dirt scraping component; and/or the distance between the collision section and the center of the cleaning roller is gradually increased along the rotating direction of the cleaning roller.

After the technical scheme is adopted, the utility model has the following advantages:

1. according to the surface cleaning device provided by the utility model, the nozzle of the liquid spraying component is arranged at the releasing section, and as the distance between the releasing section and the cleaning roller axis is larger than the outer diameter of the cleaning roller, the bristles on the cleaning roller are rebounded to the right position when rotating to the releasing section, so that the cleaning liquid can be fully absorbed and then wetted, the wetting effect of the cleaning roller can be improved, and the wiping effect of the cleaning roller can be improved. The spout sets up towards the chamber wall in roller brush chamber, the hair tuft by the cleaning roller is absorbed on spraying to the cleaning roller from spout department spun partial cleaning solution, partial cleaning solution sprays to wash the chamber wall in roller brush chamber on the chamber wall in roller brush chamber in addition, adsorb and accumulational filth on effectively reducing the chamber wall in roller brush chamber, make the chamber wall in roller brush chamber keep clean, alleviate the condition that the filth on the chamber wall falls back to the cleaning roller, be favorable to improving the cleanliness of cleaning roller, thereby be favorable to improving the effect of cleaning roller.

2. The direction of the nozzle is preferably consistent with the rotation direction of the cleaning roller, which is beneficial to improving the dispersion effect of the cleaning solution and leading the cleaning solution to be better sprayed on the cleaning roller and the cavity wall of the roller brush cavity,

3. the reasonable orientation that sets up the spout and the tangent contained angle between the two of cleaning roller rotation direction help the reasonable distribution directly to spray the cleaning solution on the cleaning roller and spray the proportion to the cleaning solution on the roller brush chamber wall, guarantee also be favorable to guaranteeing the cleanliness in roller brush chamber wall when the cleaning roller can fully wet. If theta is less than 10 degrees, the nozzle is more inclined to the cleaning roller, and less cleaning liquid is sprayed to the cavity wall of the roller brush cavity, which is not beneficial to keeping the cavity wall of the roller brush cavity clean. If theta is more than 35 degrees, the nozzle is relatively deviated to the cavity wall of the roller brush cavity, and less cleaning liquid is directly sprayed to the cleaning roller, which is not beneficial to improving the wetting effect of the cleaning roller.

4. The anterior of release section is located to the spout is preferred, and the rear portion of release section sets up water retaining portion, can be with spouting to roller brush intracavity wall's cleaning solution drainage to the cleaning roller through water retaining portion on, is favorable to improving the moist effect of cleaning roller, also can slow down the condition that the cleaning solution of condensing on roller brush intracavity wall directly falls on treating the clearance face along the chamber wall flow.

5. The axial interval of spout along the cleaning roller sets up a plurality ofly, helps improving the wet effect of cleaning roller, reduces the cleaning roller because of the cleaning solution sprays inhomogeneous results in the local too moist condition that local wetting is not enough. The path lengths of the flow channels between the nozzles and the pump are consistent, so that the injection pressure at the nozzles is consistent, the injection amount of the cleaning liquid at the nozzles is consistent as much as possible, and the wetting effect of the cleaning roller is further improved.

6. Because conflict section and cleaning roller interference fit, the tuft on the cleaning roller still is in the state of being pressed down under the effect of supporting of conflict section after scraping with scraping dirty component, effectively alleviates the tuft and breaks away from the condition on the chamber wall of scraping the roller brush chamber with the filth that adsorbs on the tuft of rebounding after scraping dirty component to reduce and pile up too much and fall back to the condition on the cleaning roller because of the filth on the roller brush chamber inner wall, be favorable to improving the wiping effect of cleaning roller.

7. The front end of conflict section sets up with the tip of scraping dirty component in succession, makes the tuft on the cleaning roller directly pushed down by the conflict section after breaking away from scraping dirty component, alleviates the condition that the tuft takes place to kick-back in the transition department of scraping between dirty component and the conflict section, improves the conflict section and to the effect of pressing of cleaning roller.

The distance between conflict section and the cleaning roller axle increases along the direction of rotation of cleaning roller gradually, slows down the resilience speed of the hair tuft after the component of scraping dirty in the breaking away from through the change of distance on the cleaning roller, reduces the resilience force of hair tuft greatly, realizes alleviateing the purpose that the filth adsorbed on the cleaning roller breaks away from the hair tuft when the hair tuft is rebounded.

Drawings

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

FIG. 2 is an exploded view of a housing of a surface cleaning apparatus according to one embodiment;

FIG. 3 is a partial structural view of a housing of a surface cleaning apparatus according to an embodiment;

FIG. 4 is a schematic view of a portion of a first exemplary embodiment of a surface cleaning apparatus;

FIG. 5 is a schematic view of a second exemplary embodiment of a surface cleaning apparatus;

FIG. 6 is a schematic view showing the structure of a brush chamber of a roll brush in a surface cleaning apparatus according to a second embodiment;

FIG. 7 is a schematic view showing the structure of a brush chamber of a roller in the surface cleaning apparatus according to the embodiment;

FIG. 8 is a schematic view showing the construction of a brush chamber of a roller in the four surface cleaning apparatus according to the embodiment;

FIG. 9 is a schematic view showing the structure of a brush chamber of a five-surface cleaning apparatus according to the embodiment.

In the figure, 100-machine body, 110-roller brush cavity, 111-collision section, 112-release section, 113-extension section, 120-water retaining part, 210-cleaning roller, 211-bristle group, 220-motor, 230-transmission box, 300-machine body, 410-joint, 420-roller, 430-supporting wheel, 440-barrier strip, 510-scraping strip, 520-scraping edge, 610-suction fan, 620-dirt collecting box, 630-pipeline, 640-suction port, 710-liquid containing box, 720-pump, 730-water pipe, 740-water running part and 750-spout.

Detailed Description

The utility model is further described with reference to the following figures and specific examples. 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 merely to indicate an orientation or positional relationship relative to one another as illustrated in the drawings, merely to facilitate describing and simplifying the utility model, and are not intended to 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 are not to be considered limiting of the utility model.

It should be noted that the surface cleaning apparatus disclosed herein may be a hand-held scrubber, or may be an autonomous mobile or guided cleaning robot. The handheld floor washing machine is provided with a machine body and an operating rod connected with the machine body, so that a user can control the advancing direction of the handheld floor washing machine through the operating rod; the cleaning robot is provided with a driving wheel and a navigation module, and the cleaning robot autonomously controls the driving wheel to move forward, turn or move backward according to the conditions of position information, obstacle information and the like obtained by the navigation module.

The utility model takes a hand-held floor washing machine as an example to explain the technical scheme.

Example one

As shown in fig. 1 to 5, a surface cleaning apparatus with a good wiping effect according to an embodiment of the present invention includes a body 100 having a roller brush chamber 110 and a liquid spraying member, a rotatable cleaning roller 210 is disposed in the roller brush chamber 110, a dirt scraping member is disposed on a chamber wall of the roller brush chamber 110, the cleaning roller 210 rotates an end of the dirt scraping member to remove dirt, and the liquid spraying member is used to provide cleaning liquid to the cleaning roller 210. The cavity wall of the roller brush cavity 110 is provided with a release section 112 positioned behind the dirt scraping component in the rotating direction of the cleaning roller 210, the distance between the release section 112 and the axis of the cleaning roller 210 is larger than the outer diameter of the cleaning roller 210, the liquid spraying component comprises a nozzle 750 arranged at the release section 112, and the nozzle 750 is arranged towards the cavity wall of the roller brush cavity 110 to disperse the cleaning liquid.

It is understood that the scraping member in this embodiment may be a strip, or may be any member as long as it can move relative to the tufts on the cleaning roller to extrude the sewage.

Because the distance between release section and the cleaning roller axle center is greater than the external diameter of cleaning roller, the tuft on the cleaning roller has rebounded to the right place to the release section department in rotating, can fully absorb the cleaning solution and then wet, is favorable to improving the wetting effect of cleaning roller to be favorable to improving the wiping effect of cleaning roller. The spout sets up towards the chamber wall in roller brush chamber, the hair tuft by the cleaning roller is absorbed on spraying to the cleaning roller from spout department spun partial cleaning solution, partial cleaning solution sprays to wash the chamber wall in roller brush chamber on the chamber wall in roller brush chamber in addition, adsorb and accumulational filth on effectively reducing the chamber wall in roller brush chamber, make the chamber wall in roller brush chamber keep clean, alleviate the condition that the filth on the chamber wall falls back to the cleaning roller, be favorable to improving the cleanliness of cleaning roller, thereby be favorable to improving the effect of cleaning roller.

In this embodiment, the surface cleaning apparatus further includes a body 300, a bottom end of the body 300 is rotatably connected to a rear side of the body 100 by a joint 410, and the body 300 is rotatable up and down relative to the body 100 by a certain angle. The roller brush chamber 110 is provided at the front side of the bottom of the machine body 100, the roller brush chamber 110 is substantially in the shape of a hollow cylindrical chamber, and the longitudinal direction of the roller brush chamber 110 is arranged in the left-right direction. The cleaning roller 210 is vertically rotatably arranged in the roller brush cavity 110 through a rotating support structure, the axial direction of the cleaning roller 210 is also arranged along the left-right direction, and the axes of the cleaning roller 210 and the roller brush cavity 110 are overlapped. The body 100 is further provided with a motor 220 and a transmission case 230 for driving the cleaning roller 210, and the motor 220 drives the cleaning roller 210 to rotate in the roller brush cavity 110 in the direction indicated by ω through the transmission case 230. The rear portion of the machine body 100 is provided with two rollers 420 respectively located at the left and right sides of the joint 410, the bottom of the machine body 100 is further provided with two support wheels 430 which are distributed side by side at intervals along the left and right direction, and the machine body 100 can be easily moved on a surface to be cleaned through the rollers 420 and the support wheels 430.

The cleaning roller 210 is of a combined structure and comprises a roller body and a wiping piece wrapped outside the roller body, a plurality of elastic hair tufts 211 are uniformly distributed on the outer surface of the wiping piece, and when the cleaning roller 210 rotates, the hair tufts 211 are in contact with a surface to be cleaned, so that the purpose that the cleaning roller 210 wipes the surface to be cleaned is achieved. The radius R of the scrub roller 210 refers to the distance between the ends of the tufts 211 and the axis of the scrub roller 210 when the tufts 211 are in a completely unstressed, stretched state.

In this embodiment, the scraping member is a scraping strip 510 disposed on the wall of the roller brush cavity 110, the length direction of the scraping strip 510 is arranged along the left-right direction, the front end of the scraping strip 510, which faces the center of the roller brush cavity 110, extends into the roller brush cavity 110, the distance between the front end of the scraping strip 510 and the axis of the roller brush cavity 110 is L1, and L1 is smaller than the radius R of the cleaning roller 210, so that the scraping strip 510 can effectively scrape the bristles 211. Specifically, the difference between L1 and R is preferably set to 3 mm.

In order to reduce the situation that the dirt adsorbed on the bristles 211 is thrown off to the cavity wall of the roller brush cavity 110 by the bristles 211 rebounding quickly after contacting the scraping strip 510, an abutting section 111 located between the dirt scraping component and the releasing section 112 is arranged on the cavity wall of the roller brush cavity 110, and the distance L2 between the abutting section 111 and the axis of the cleaning roller 210 is smaller than the outer diameter R of the cleaning roller 210 and larger than the distance L1 between the front end of the scraping strip 510 and the axis of the cleaning roller 210. In this embodiment, the collision section 111 is preferably configured as an arc-shaped surface, the cross-sectional shape of the collision section 111 along the front-back direction is arc-shaped, the axis of the collision section 111 and the axis of the roller brush cavity 110 are preferably overlapped, the inner diameter of the collision section 111 is the distance L2 between the collision section 111 and the axis of the cleaning roller 210, and L1 is greater than L2 and is less than R. Specifically, the difference between L2 and L1 is preferably set to 2 mm.

The releasing section 112 is preferably arranged to be an arc-shaped surface, the cross section of the releasing section 112 in the front-back direction is arc-shaped, the axis of the releasing section 112 is preferably overlapped with the axis of the roller brush cavity 110, the inner diameter of the releasing section 112 is the distance L3 between the collision section 111 and the axis of the cleaning roller 210, and the difference between L3 and R is preferably set to be 3 mm.

An included angle alpha with the axis of the cleaning roller 210 as the center of a circle is arranged between the front end and the rear end of the abutting section 111, an included angle beta with the axis of the cleaning roller 210 as the center of a circle is arranged between the front end and the rear end of the releasing section 112, alpha is less than or equal to 180 degrees, and beta is less than or equal to 180 degrees. In this embodiment, a smooth transition section is provided between the rear end of the interference section 111 and the front end of the release section 112, and the distance between the transition section and the axis of the roller brush cavity 110 gradually increases from front to back along the rotation direction of the cleaning roller 210, where α is preferably set to 78 °, and β is preferably set to 90 °. The end face of the rear end of the release section 112 and the axis of the roller brush cavity 110 are preferably at the same height, the cavity wall of the roller brush cavity 110 is further provided with an extension section 113 extending downwards from the end of the rear end of the release section 112, the extension section 113 is in a vertical plane shape, and the distance between the extension section 113 and the axis of the roller brush cavity 110 is greater than the radius R of the cleaning roller 210.

In this embodiment, the nozzle 750 is preferably provided at the front of the discharging section 112, the nozzle 750 is preferably oriented in the same direction as the rotation direction of the cleaning roller 210, and the cleaning liquid is sprayed from the nozzle 750 from the front to the rear.

In order to balance the proportion of the cleaning liquid directly sprayed to the cleaning roller 210 and the cleaning liquid sprayed to the wall of the roller brush cavity 110, the specific inclination angle of the nozzle 750 needs to be reasonably set, an included angle theta is formed between the orientation of the nozzle 750 and the tangential direction of the rotation direction of the cleaning roller 210, and theta is larger than or equal to 10 degrees and smaller than or equal to 35 degrees. Specifically, the tangential direction of the rotational direction of the cleaning roller 210 refers to the tangential direction on the cleaning roller 210 at the position corresponding to the ejection opening 750, and θ is preferably set to 30 °.

The liquid spraying component further comprises a liquid containing tank 710, a pump 720 and a water running part 740, wherein the liquid containing tank 710 is arranged on the machine body 300, the water pump 720 and the water running part 740 are arranged in the machine body 100, the nozzle 750 is arranged on the water running part 740, the liquid containing tank 710 is connected with a water inlet of the pump 720 through a water pipe 730, and the water running part 740 is connected with a water outlet of the pump 720 through a water pipe 730. When water is required to be sprayed, the pump 720 is operated to pump the cleaning liquid in the liquid tank 710 to the water-moving member 740, so that the cleaning liquid is sprayed from the spraying nozzle 750.

In order to improve the wetting effect of the scrub roller 210, the water-passing member 740 is provided with a plurality of nozzles 750 spaced apart from each other in the axial direction of the scrub roller 210. In order to uniformly wet the cleaning roller 210, the amount of cleaning liquid sprayed from each nozzle 750 should be as uniform as possible, and therefore, a flow channel is provided between each nozzle 750 and the pump 720, and the path length of each flow channel is preferably set to be uniform. In this embodiment, the water-passing member 740 is provided with an inlet connected to the water pipe 730, the water-passing member 740 is further provided with a water-passing channel between the inlet and the nozzles 750, and the water-passing channel is designed in a multi-segment bending manner, so that the path lengths of the water-passing channels between the nozzles 750 and the inlet are the same, and the path lengths of the flow channels between the nozzles 750 and the pump 720 are the same.

In order to make part of the cleaning solution sprayed to the cavity wall of the roller brush cavity 110 flow back to the cleaning roller 210, the rear part of the releasing section 112 is provided with a water blocking part 120 which guides the cleaning solution to the cleaning roller 210, so as to reduce the condition that the cleaning solution is condensed on the cavity wall of the roller brush cavity 110 and flows along the cavity wall to directly fall on the surface to be cleaned. In this embodiment, the water retaining part 120 preferably adopts an elastic water retaining strip, the water retaining strip is fixed in the machine body 100, one end of the water retaining strip facing the roller brush cavity 110 extends into the roller brush cavity 110, and the distance between the end of the water retaining strip and the axis of the roller brush cavity 110 is equal to or slightly less than the radius of the cleaning roller 210, so as to prevent the bristles 211 on the cleaning roller 210 from being excessively contacted with the water retaining strip and being collapsed.

In order to improve the cleaning effect of the device, the machine body 100 is provided with a suction assembly, the suction assembly comprises a suction fan 610, a dirt collecting box 620 and a pipeline 630, the machine body 100 is provided with a suction port 640 which is positioned at the side part of the roller brush cavity 110 and below the scraping strip 510, and the suction port 640 is communicated with the dirt collecting box 620 through the pipeline 630. In this embodiment, the suction fan 610 and the dirt collecting box 620 are disposed on the body 300, one end of the pipeline 630 is communicated with the suction port 640, and the other end is communicated with the inner cavity of the dirt collecting box 620. When the suction fan 610 operates, a suction airflow flowing from the suction port 640 to the dirt collecting box 620 is formed, the cleaning roller 210 rotates and scrapes off the scraped dirt with the scraping strip 510 and falls on the suction port 640, the fallen dirt is sucked into the dirt collecting box 620 under the action of the suction airflow, and the dirt on the surface to be cleaned can also be sucked into the dirt collecting box 620 under the action of the suction airflow.

In order to improve the cleaning effect of the device, the bottom of the machine body 100 is provided with a barrier strip 440 positioned at the rear side of the cleaning roller 210, the barrier strip 440 is arranged along the left-right direction in the length direction and has elasticity, a certain gap is formed between the barrier strip 440 and the cleaning roller 210, and the barrier strip 400 can scrape the surface to be cleaned in the walking process of the machine body 100 to collect dirt on the surface to be cleaned.

When the machine body 100 cleans a surface to be cleaned, the motor 220 drives the cleaning roller 210 to rotate through the transmission case 230, the bristles 211 on the cleaning roller 210 contact with the surface to be cleaned to wipe the surface to be cleaned, and meanwhile, the suction air flow formed by the operation of the suction fan 610 can suck dirt at the suction port 640 into the dirt collecting box 620. When the tufts 211 on the cleaning roller 210 rotate to contact with the scraping bar 510, since L1 is smaller than R, the tufts 211 are pressed to bend and deform, and dirt scraped off by the scraping bar 510 on the cleaning roller 210 can be drawn into the dirt collection box 620 by the suction airflow. When the bristle cluster 211 rotates to contact with the collision section 111, the bristle cluster 211 slightly rebounds due to L1 < L2 < R, but still is in a bending deformation state under the action of the collision section 111, so that the condition that dirt adsorbed on the bristle cluster 211 is thrown onto the wall of the roller brush cavity 110 due to the quick rebounding of the bristle cluster 211 after the bristle cluster 211 is separated from the scraping strip 510 is relieved. When the tufts 211 are rotated to the release section 112, as L3 is greater than R, the tufts 211 can spring back into place between contact with the surface to be cleaned, ensuring a subsequent wiping action of the tufts 211 against the surface to be cleaned.

When water needs to be sprayed in the working process of the device, the pump 720 runs, the cleaning liquid in the liquid containing box 710 is pumped to the water running part 740, so that the cleaning liquid is sprayed to the roller brush cavity 110 from the nozzle 750, part of the cleaning liquid washes the cavity wall of the roller brush cavity 110 and then flows to the cleaning roller 210, the other part of the cleaning liquid is directly sprayed to the cleaning roller 210, the bristles 211 on the cleaning roller 210 absorb the cleaning liquid and then are wet, the wet wiping can be carried out on the surface to be cleaned, and the wiping effect is improved.

It is understood that the difference between L1 and R can be set to 1mm, 1.5mm, 2mm, 2.5mm, 2.8mm, 3.2mm, 3.5mm, 4mm, or other suitable differences, so that the scraping strip 510 can meet the requirement of the scraping tufts 211 to remove dirt without interfering with the rotation of the cleaning roller 210.

It is understood that the difference between L2 and L1 can be set to 1mm, 1.5mm, 1.8mm, 2.2mm, 2.5mm, 3mm, 3.5mm, 4mm, or other suitable difference, so that the interference section 111 can meet the requirement of pressing the tufts 211 to slow down the rebound speed.

It is understood that the difference between L3 and R can be set to 2mm, 2.5mm, 2.8mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 5mm, or other suitable difference such that the release section 112 meets the requirement of not contacting the cleaning roller 210.

It is understood that the interference section 111 can also be formed by a combination of a plurality of continuous planes, each plane having a point spaced from the axis of the roller brush cavity 110 by a distance less than R and greater than L1.

It is understood that the included angle α formed between the front end and the rear end of the interference section 111 is not limited to 78 ° described above, and may be set to other reasonable angles.

It is understood that the included angle β formed between the front end and the rear end of the releasing section 112 is not limited to 90 ° as described above, and may be set at other reasonable angles.

It will be appreciated that the provision of an extension may be eliminated.

It is understood that the transition section may be eliminated, and the rear end of the interference section 111 and the front end of the release section 112 are connected by a transition step.

It is understood that θ can also be set to other reasonable angular values of 10 °, 13 °, 15 °, 18 °, 20 °, 23 °, 25 °, 27 °, 31 °, 35 °, and so on.

It is understood that the water blocking part 120 may also be formed by protruding a housing constituting the machine body 100, i.e., the water blocking part is integrally formed with the housing.

It is understood that the interference sections 111 and the release sections 112 may be alternatively distributed, in which case, the nozzle is disposed at one of the release sections.

It is understood that the front-rear direction of the whole machine and the front-rear direction of the rotation direction of the cleaning roller 210 are different depending on different references.

Example two

As shown in fig. 6, in the present embodiment, the distance between the collision section 111 and the axial center of the cleaning roller 210 gradually increases along the rotation direction of the cleaning roller 210, and the rear end of the collision section 111 and the front end of the release section 112 smoothly transition. The axis of the collision section 111 is staggered with the axis of the roller brush cavity 110, the collision section 111 is roughly in a spiral arc surface shape, L2 gradually increases from front to back along the rotation direction of the cleaning roller 210, the rebound speed of the bristle 211 on the cleaning roller 210 after the bristle 211 is separated from the dirt scraping component is reduced through the change of the distance, and the rebound force of the bristle 211 is reduced.

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

EXAMPLE III

As shown in fig. 7, in the present embodiment, the front end of the interference section 111 is continuously disposed with the end of the dirt scraping member, that is, the distance between the front end of the interference section 111 and the axial center of the roller brush cavity 110 is equal to L1.

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

It is understood that the structure of the third embodiment can be combined with the second embodiment.

Example four

In the present embodiment, as shown in fig. 8, the structure of the dirt scraping component is different, the dirt scraping component is preferably a scraping edge 520 arranged on the wall of the roller brush cavity 110, and the front end of the interference section 111 and the end of the scraping edge 520 facing the axial center of the roller brush cavity are preferably arranged continuously.

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

It is understood that the scraping edge 520 and the interference section 111 are preferably directly formed by a housing constituting the body 100.

EXAMPLE five

As shown in fig. 9, in the present embodiment, two parallel roller brush cavities 110 are provided at the bottom of the machine body 100, correspondingly, two cleaning rollers 210 are provided, the two cleaning rollers 210 rotate in opposite directions during operation, and the cavity walls of the two roller brush cavities 110 are provided with the structures described in the first embodiment.

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

It is understood that the structure of the fifth embodiment can be combined with the second embodiment, the third embodiment or the fourth embodiment.

It is understood that the two scrub rollers 210 can be driven by the same motor 220, or can be driven by two motors 220 separately. When the two cleaning rollers 210 are driven by the two motors 220, respectively, the two cleaning rollers 210 may rotate in the same direction.

It is understood that the nozzle may be provided only at the roller brush chamber 110 located at the front side of the bottom of the machine body 100, and the nozzle may not be provided at the roller brush chamber 110 located at the rear side of the bottom of the machine body 100.

Other embodiments of the present invention than the preferred embodiments described above, 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, should fall within the scope of the present invention defined in the claims.

Claims (10)

1. The utility model provides a clean effectual surface cleaning device, is including the organism that is equipped with roller brush chamber and hydrojet component, and the roller brush intracavity is equipped with rotatable cleaning roller, is equipped with on the chamber wall in roller brush chamber and scrapes dirty component, scrapes the tip of dirty component and cleaning roller surface contact in order to clear away the filth on cleaning roller surface, and the hydrojet component is used for providing the cleaning solution to the cleaning roller, a serial communication port, the chamber wall in roller brush chamber is equipped with on the rotation direction of cleaning roller and is located the release section of scraping dirty component rear, and the distance between release section and the cleaning roller axle center is greater than the external diameter of cleaning roller, and the hydrojet component is including locating the spout of release section department, and the spout sets up with the dispersion cleaning solution towards the chamber wall in roller brush chamber.

2. A surface cleaning apparatus according to claim 1, wherein the jets are oriented in the same direction as the direction of rotation of the cleaning roller.

3. A surface cleaning apparatus according to claim 2, characterised in that the jets are oriented at an angle θ to the tangent of the direction of rotation of the cleaning roller, 10 ° θ 35 °.

4. A surface cleaning apparatus according to claim 1, characterised in that the nozzle is provided in front of the discharge section.

5. A surface cleaning apparatus according to claim 4 in which the rear of the discharge section is provided with a water deflector to direct cleaning liquid onto the cleaning roller.

6. A surface cleaning apparatus according to any one of claims 1 to 5, characterised in that the nozzle is provided in plurality at intervals in the axial direction of the cleaning roller.

7. A surface cleaning apparatus as claimed in claim 6, wherein the spray assembly comprises a reservoir and a pump connected by a conduit, and wherein a flow path is provided between each nozzle and the pump, the flow paths being of uniform length.

8. A surface cleaning apparatus according to any one of claims 1 to 5 characterised in that an angle β around the axis of the cleaning roller is provided between the front and rear ends of the release section, β being less than or equal to 180 °.

9. The surface cleaning device with good wiping effect of any one of claims 1 to 5, wherein the wall of the roller brush cavity is provided with an interference section between the dirt scraping member and the releasing section, and the distance between the interference section and the cleaning roller axis is smaller than the outer diameter of the cleaning roller and larger than the distance between the end of the dirt scraping member and the cleaning roller axis.

10. A surface cleaning apparatus according to claim 9, wherein the front end of the abutting section is arranged continuously with the end of the wiping member; and/or the distance between the collision section and the center of the cleaning roller is gradually increased along the rotating direction of the cleaning roller.

Images