CN216020817U

CN216020817U - Surface cleaning device

Info

Publication number: CN216020817U
Application number: CN202121933062.XU
Authority: CN
Inventors: 朱泽春; 朱广; 崔卫民
Original assignee: Sharkninja China Technology Co Ltd
Current assignee: Sharkninja China Technology Co Ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-03-15
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a roller type surface cleaning device, which belongs to the technical field of cleaning equipment and comprises a machine body provided with a roller brush cavity, 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 scrape the end part of the dirt scraping component to remove dirt, a collision section which is positioned behind the dirt scraping component and is in interference fit with the cleaning roller is arranged on the cavity wall of the roller brush cavity in the rotating direction of the cleaning roller, the distance between the collision section and the axis of the cleaning roller is greater than the distance between the end part of the dirt scraping component and the axis of the cleaning roller so as to reduce the centrifugal effect of the cleaning roller after passing through the dirt scraping component, and an included angle alpha which takes the axis of the cleaning roller as the circle center is not more than 180 degrees between the front end and the rear end of the collision section. Adopt this technical scheme can effectively alleviate the tuft break away from scrape the condition that kick-backs fast behind the dirty component and get rid of the filth that adsorbs on the tuft to the chamber wall in roller brush chamber under the centrifugal force effect to alleviate and pile up too much and fall back the condition on the cleaning roller because of the filth on the roller brush intracavity wall, be favorable to improving the effect of cleaning roller.

Description

Surface cleaning device

Technical Field

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

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 roller type 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 roller type floor cleaning machine, and when a machine body works, the motor drives the cleaning roller to vertically rotate so that the cleaning roller performs rolling cleaning on 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. The hair on the cleaning roller can quickly rebound after being separated from the scraping strip, and under the combined action of centrifugal force when the cleaning roller rotates, dirt which is not scraped by the scraping strip can be thrown onto the inner wall of the machine head, the dirt is easily adsorbed on the machine head and accumulated after falling on the inner wall of the machine head, after the cleaning roller is used for a period of time, the dirt on the inner wall of the machine head is increased, part of the dirt can fall back onto the cleaning roller when the cleaning roller rotates, the wiping effect of the cleaning roller is not guaranteed, and the dirt which does not fall back can become mildewed and smelly if not cleaned in time, so that the sanitation and health are affected.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects and shortcomings in the prior art, the utility model provides a surface cleaning device which effectively reduces the condition that dirt on a cleaning roller is adsorbed on the wall of a roller brush cavity after being separated from the cleaning roller when tufts rebound.

In order to achieve the technical purpose, the surface cleaning device provided by the utility model comprises a machine body provided with a roller brush cavity, 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, an abutting section which is located behind the dirt scraping component and in interference fit with the cleaning roller is arranged on the cavity wall of the roller brush cavity in the rotating direction of the cleaning roller, the distance between the abutting section and the axis of the cleaning roller is larger than the distance between the end part of the dirt scraping component and the axis of the cleaning roller to reduce the centrifugal effect of the cleaning roller after passing through the dirt scraping component, and an included angle alpha which takes the axis of the cleaning roller as the circle center is not more than 180 degrees between the front end and the rear end of the abutting section.

Preferably, the distance between the interference section and the center of the cleaning roller is gradually increased along the rotation direction of the cleaning roller.

Preferably, the front end of the interference section is continuously arranged with the end part of the dirt scraping member.

Preferably, the cavity wall of the roller brush cavity is provided with a release section positioned behind the collision section in the rotating direction of the cleaning roller, and the distance between the release section and the center of the cleaning roller is greater than the outer diameter of the cleaning roller.

Preferably, the machine body is provided with a spraying component, the spraying component is provided with a spray head for spraying the cleaning liquid onto the cleaning roller, and the spray head is arranged at the release section.

Preferably, the spray heads are distributed at intervals along the axial direction of the cleaning roller, inclined planes which extend outwards in opposite directions and are intersected are arranged on the wall of a roller brush cavity between every two adjacent spray heads, and at least part of cleaning liquid sprayed out of the spray heads is sprayed onto the inclined planes.

Preferably, the spray head is arranged at the rear part of the release section; and/or the spray head is arranged towards the cavity wall of the roller brush cavity to enable part of cleaning liquid to be sprayed onto the cleaning roller after washing the cavity wall of the roller brush cavity.

Preferably, the interference section is an arc-shaped surface; and/or the release section is arc-shaped.

Preferably, the organism is equipped with the lateral part that is located the roller brush chamber and is used for collecting the dirty box of collection that scrapes the clean roll filth that drops of dirty component scraping.

Preferably, the organism is equipped with suction assembly, and suction assembly includes suction fan, dirty box of collection and pipeline, and the organism is equipped with and is located the roller brush chamber lateral part and is located the suction opening of scraping dirty component below, through the pipeline intercommunication between suction opening and the dirty box of collection.

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

1. the surface cleaning device provided by the utility model is characterized in that the inner wall of the roller brush cavity is additionally provided with the contact section positioned behind the dirt scraping component, the contact section is in interference fit with the cleaning roller, the bristles on the cleaning roller are still in a pressed state and slowly recovered under the abutting action of the contact section after being scraped by the dirt scraping component, the possibility that the bristles are quickly rebounded after being separated from the dirt scraping component and the dirt adsorbed on the bristles is thrown to the cavity wall of the roller brush cavity under the action of centrifugal force is reduced, the condition that the dirt on the inner wall of the roller brush cavity is excessively accumulated and falls back to the cleaning roller is further reduced, and the cleaning effect of the cleaning roller is favorably improved. The included angle alpha between the front end and the rear end of the interference section, which is formed by taking the axis of the cleaning roller as the center of a circle, is not more than 180 degrees, if the included angle alpha is more than 180 degrees, the contact area between the roller brush cavity and the cleaning roller is too large, the friction force between the cleaning roller and the roller brush cavity can be increased, and part of large-particle dirt which cannot be scraped by the dirt scraping component is possibly blocked in the area.

2. 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 reducing the purpose that the filth that adsorbs on the cleaning roller breaks away from the hair tuft when the hair tuft is rebounded.

3. 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 tuft and takes place the condition of kick-backing 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, is favorable to further improving the effect of cleaning roller.

4. Set up the release section that is located conflict section rear on the chamber wall in roller brush chamber, because the distance between release section and the cleaning roller axle center is greater than the external diameter of cleaning roller, the cleaning roller breaks away from behind the conflict section not with the contact of release section, and the tuft on the cleaning roller can fully kick-back in the release section, is favorable to guaranteeing the effect of wiping of cleaning roller.

5. As the bristles on the cleaning roller can be rebounded to the proper position when rotating to the releasing section, and the spray head is arranged at the releasing section, the bristles on the cleaning roller can fully absorb the cleaning liquid and be fully wetted, the condition that the cleaning liquid is sprayed to the bristles which are not rebounded to the proper position and cannot be fully absorbed by the bristles is reduced, and the wiping effect of the cleaning roller is favorably improved.

6. From shower nozzle department spun cleaning solution part spray to the inclined plane on, wash the inclined plane, can wash the filth that adsorbs on the inclined plane from the inclined plane, help making the chamber wall in roller brush chamber keep clean, reduce the long-time condition that the filth on the roller brush chamber wall of the chamber is piled up too much and falls back to the cleaning roller of back use, be favorable to the cleanliness of cleaning roller to be favorable to improving the effect of cleaning roller.

7. The rear portion of release section is located to the shower nozzle preferred, the setting position of reasonable optimization shower nozzle, further guarantees to spray the cleaning solution to the cleaning roller on the tuft that has rebounded to the target in place to guarantee that the tuft can fully absorb the cleaning solution and fully wet, can further improve the wiping effect of cleaning roller.

The preferred chamber wall setting towards the roller brush chamber of shower nozzle, from the partial cleaning solution of shower nozzle department spun wash the chamber wall in roller brush chamber earlier and then spread to the cleaning roller on, can make the chamber wall in roller brush chamber keep clean through washing of cleaning solution, be favorable to improving the inside cleanliness of organism.

8. Because the cleaning roller is of a round roller-shaped structure, the collision section is designed into an arc-shaped surface structure, and the abutting effect of the collision section on the bristles on the cleaning roller is favorably improved. The release section is designed into an arc-shaped surface structure, so that the radial size of the release section can be reasonably reduced while the release section is ensured not to be in contact with the cleaning roller, the inner diameter of a roller brush cavity is favorably and reasonably controlled, and the overall dimension of a machine body is favorably and reasonably controlled.

9. Set up the dirty box of collection or the suction subassembly that is used for collecting the filth on the organism, make and scrape the filth that the dirty component scraped and can in time fall into the dirty box of collection or by the suction fan inhales the dirty box of collection, be favorable to improving the effect of cleaning roller. In addition, the suction assembly can directly suck dirt on the ground when the device works, and the cleaning effect of the device is improved.

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 block diagram of a housing of a surface cleaning apparatus according to an embodiment;

FIG. 4 is a schematic view of a partial structure of a surface cleaning apparatus according to an embodiment;

FIG. 5 is a schematic view of the engagement of a scrub roller with a brush chamber of a surface cleaning apparatus according to one embodiment;

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 construction of a brush chamber of a roller in the five surface cleaning apparatus according to the embodiment;

FIG. 10 is a schematic structural view of a part of a member of a six-surface cleaning apparatus according to an embodiment;

FIG. 11 is a schematic structural view of a part of a surface cleaning apparatus according to a seventh embodiment;

FIG. 12 is a structural view of a shower plate in the seven surface cleaning apparatus of the embodiment;

FIG. 13 is a schematic view showing the construction of a brush chamber of a roller in an eight surface cleaning apparatus according to an embodiment;

FIG. 14 is a schematic view showing the construction of a brush chamber of a roller brush in a nine surface cleaning apparatus according to an embodiment;

FIG. 15 is a schematic view showing the structure of a roller brush chamber in the ten-roller 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, 210-cleaning roller, 211-bristle, 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-water pump, 730-water pipe, 740-spraying member, 741-spraying plate, 742-cover plate, 743-inclined plane, 744-central hole, 750-spray head, 751-spray nozzle.

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 of the present disclosure may be a hand-held scrubber machine, but may also be an autonomously movable or navigable 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 traveling direction of the handheld floor washing machine through the cover 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 technical scheme is explained by taking a handheld floor washing machine as an example.

Example one

As shown in fig. 1 to 5, a surface cleaning apparatus according to a first embodiment of the present invention includes a body 100 having a roller brush chamber 110, a rotatable cleaning roller 210 disposed in the roller brush chamber 110, a dirt scraping member disposed on a chamber wall of the roller brush chamber 110, and the cleaning roller 210 rotates to scrape an end of the dirt scraping member to remove dirt. The wall of the roller brush cavity 110 is provided with an abutting section 111 which is located behind the dirt scraping component and is in interference fit with the cleaning roller 210 in the rotating direction of the cleaning roller 210, and the distance between the abutting section 111 and the axis of the cleaning roller 210 is greater than the distance between the end of the dirt scraping component and the axis of the cleaning roller 210.

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

Because conflict section 111 and cleaning roller 210 interference fit, the tuft on the cleaning roller still is in the state of being pressed and recovers slowly under the effect of the support of conflict section after scraping with scraping dirty component, reduce the tuft and break away from to scrape the dirt that rebounds fast and will adsorb on the tuft under the effect of centrifugal force and get rid of the possibility on the chamber wall in roller brush chamber behind the dirty component, and then alleviate and pile up too much and fall back to the condition on cleaning roller 210 because of the filth on the roller brush chamber 110 inner wall, be favorable to improving the wiping effect of cleaning roller 210.

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.

The scraping component is specifically a scraping strip 510 fixed in the machine body 100, the length direction of the scraping strip 510 is arranged along the left-right direction, the scraping strip 510 extends into the roller brush cavity 110 towards the front end part of the roller brush cavity 110, the distance between the front end part of the scraping strip 510 towards the axle center of the roller brush cavity 110 and the axle center of the roller brush cavity 110 is L1, and L1 is smaller than the radius R of the cleaning roller 210, so that the front end part of the scraping strip 510 towards the roller brush cavity 110 can effectively scrape the hair tufts 211, and the purpose of removing dirt adsorbed on the hair tufts 211 through scraping with the scraping strip 510 is met. Specifically, the difference between L1 and R is preferably set to 3 mm.

The collision section 111 is preferably arranged into an arc-shaped surface, the cross section of the collision section 111 in 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 more than L2 and more than R. In the present embodiment, the difference between L2 and L1 is preferably set to 2 mm.

In order to make the bristle 211 on the cleaning roller 210 rebound sufficiently before contacting the surface to be cleaned, the wall of the roller brush chamber 110 is provided with a release section 112 located behind the interference section 111 in the rotation direction of the cleaning roller 210, and the distance L3 between the release section 112 and the axial center of the cleaning roller 210 is larger than the outer diameter R of the cleaning roller 210. In this embodiment, the releasing section 112 is preferably configured to be an arc-shaped surface, the cross-sectional shape of the releasing section 112 along the front-back direction is an arc, the axial center of the releasing section 112 and the axial center of the roller brush cavity 110 are preferably overlapped, the inner diameter of the releasing section 112 is the distance L3 between the abutting section 111 and the axial center 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, the distance between the transition section and the axial center of the roller brush cavity gradually increases from front to back along the rotation direction of the cleaning roller, and α is preferably set to 92 ° and β is preferably set to 76 °. 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 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.

For 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 440 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 bristles 211 on the cleaning roller 210 rotate to be in contact with the scraping strip 510, the bristles 211 are pressed to bend and deform, dirt scraped and dropped by the cleaning roller 210 through the scraping strip 510 can be pumped into the dirt collection box 620 under the action of suction air flow, when the bristles 211 rotate to be in contact with the collision section 111, the bristles 211 slightly rebound but still are in a bending and deforming state under the action of the collision section 111 due to the fact that L1 is smaller than L2, and the situation that the dirt adsorbed on the bristles 211 is thrown onto the wall of the roller brush cavity 110 due to the fact that the bristles 211 rebound quickly after being 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 before contacting the surface to be cleaned, ensuring a subsequent wiping action of the tufts 211 against the surface to be cleaned.

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 92 ° described above, and may be set to other reasonable angles.

It is understood that the included angle β formed between the front and rear ends of the releasing section 112 is not limited to 76 ° as described above, and may be set at other reasonable angles.

It can be understood that the arrangement of the release section 112 and the extension section 113 can be eliminated, and the chamber wall of the roller brush chamber 110 behind the scraping bar 510 is entirely arranged as the interference section 111, so that the bristle cluster 211 on the cleaning roller 210 gradually rebounds after being separated from the interference section 111.

It will be appreciated that the provision of the extension 113 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 112 of the release section 112 are connected by a transition step.

It will be appreciated that the provision of a suction assembly may be eliminated.

It will be appreciated that the discharge section 112 may also be formed by a combination of successive planes, each having a point spaced from the axis of the roll brush cavity 110 by a distance greater than R.

It is understood that the interference sections 111 and the release sections 112 may be alternately disposed, and of course, the interference sections 111 are disposed next to the wiper strip 510 in the rotation direction of the cleaning roller 210.

It is understood that the front-to-back direction of the body 100 and the front-to-back direction of the rotation direction of the cleaning roller 210 are different according to different references.

Example two

As shown in fig. 6, in the present embodiment, the distance L2 between the interference section 111 and the axial center of the cleaning roller 210 is preferably gradually increased along the rotation direction of the cleaning roller 210. The collision section 111 is preferably arranged in a spiral arc surface shape, the axis of the collision section 111 is staggered with the axis of the cleaning roller 210, the 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 rear end of the collision section 111 and the front end of the release section 112 are smoothly transited.

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

Referring to fig. 7, on the basis of the second embodiment, in the present embodiment, the front end of the interference section 111 is continuously disposed with the end of the scraping bar 510.

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

Example four

With reference to fig. 8, on the basis of the third embodiment, in the third embodiment, the structure of the scraping member is different, the scraping member is preferably a scraping edge 520 provided on the wall of the roller brush cavity 110, and the front end of the abutting section 111 and the end of the scraping edge 520 are preferably continuously provided.

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, the suction assembly is omitted, in order to collect the dirt scraped and dropped by the dirt scraping member by the cleaning roller 210, the machine body 100 is provided with a dirt collecting box 620 located at the rear side of the roller brush cavity 110, the dirt collecting box 620 is located at the bottom of the scraping bar 510, the top of the dirt collecting box 620 is open, the end of the scraping bar 510 facing the cavity wall of the roller brush cavity 110 is located in the range of the top opening of the dirt collecting box 620, and the dirt scraped by the scraping bar 510 by the cleaning roller 210 can fall down into the dirt collecting box 620. In order to facilitate cleaning of the dirt collecting box 620, the dirt collecting box is detachably disposed at the bottom of the machine body 100.

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 fifth embodiment can also be combined with the second embodiment, the third embodiment or the fourth embodiment.

EXAMPLE six

As shown in fig. 10, in order to improve the wiping effect of the cleaning roller 210, the surface cleaning apparatus further includes a liquid spraying structure including a spraying member 740 provided on the body 110, the spraying member 740 being provided with a spray head 750 that sprays the cleaning liquid onto the cleaning roller 210, the spray head 750 being provided at the discharging section 112.

In order to make the sprayed cleaning liquid be sufficiently absorbed by the bristles 211 on the cleaning roller 210, the spray head 750 is preferably disposed at the rear portion of the releasing section 112, the bristles 211 on the cleaning roller 210 are completely rebounded to the right position when rotating at the rear portion of the releasing section 112, and then the cleaning liquid is sprayed onto the cleaning roller 210 to make the cleaning liquid be sufficiently absorbed by the bristles 211, which is beneficial to improving the wetting effect of the cleaning roller 210, and thus, the wiping effect of the cleaning roller 210.

In order to prevent dirt from accumulating on the chamber wall of the roller brush chamber 110, the spray head 750 is disposed toward the chamber wall of the roller brush chamber 110, so that part of the cleaning liquid is spread onto the cleaning roller 210 after washing the chamber wall of the roller brush chamber 110.

The liquid spraying structure further comprises a liquid containing tank 710, a water pump 720 and a water pipe 730, wherein the liquid containing tank 710 is arranged on the machine body 300, the water pump and the spraying member 710 are arranged in the machine body 100, the liquid containing tank 710 is connected with a water inlet of the water pump 720 through the water pipe, the spraying member 740 is connected with a water outlet of the water pump 720 through the water pipe, and the spraying member 740 is provided with a plurality of nozzles 750 which are distributed along the axial direction of the cleaning roller 210 at intervals.

When water needs to be sprayed in the working process of the device, the water pump 720 runs, the cleaning liquid in the liquid containing tank 710 is pumped to the spraying component 740, so that the cleaning liquid is sprayed to the roller brush cavity 110 from the spray head 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.

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

It is understood that the sixth embodiment can also be combined with the second embodiment or the third embodiment or the fourth embodiment or the fifth embodiment.

It will be appreciated that the spray head 750 may be disposed at other suitable locations on the release section 112, such as approximately midway along the release section in the front-to-rear direction.

It is understood that the spray head 750 may be directly disposed toward the cleaning roller 210, so that the cleaning liquid sprayed from the spray head 750 is directly sprayed onto the cleaning roller 210.

EXAMPLE seven

With reference to fig. 11 and 12, the structure of the shower member 740 is slightly different. The wall of the roller brush cavity 210 between two adjacent nozzles 750 is provided with opposite, outward extending and intersecting inclined planes 743, and the cleaning liquid sprayed from the nozzles 750 is at least partially sprayed onto the inclined planes 743. In this embodiment, the spraying member 740 includes a spraying plate 741 and a cover plate 742 fixed to a back of the spraying plate 741, a front surface of the spraying plate 741 faces the roller brush chamber 110 and forms a chamber wall of the roller brush chamber 110 together with the housing, the spray head 750 is disposed on the front surface of the spraying plate 741, the spray head 750 is preferably integrally formed with the spraying plate 741, and two inclined surfaces 743 between two adjacent spray heads 750 intersect at a line. A water channel corresponding to each nozzle 750 is arranged between the spraying plate 741 and the cover plate 742, a connector is arranged on the cover plate 742, one end of the water channel is communicated with the connector, the other end of the water channel extends to the nozzle 750, the cleaning solution flows to the nozzle 750 from the connector through the water channel and is sprayed out from the nozzle 750, and the connector is connected to a water outlet of the water pump 720 through a water pipe.

The nozzle 750 is provided with a nozzle 751, and the nozzle 751 is disposed toward the inclined plane 743 and the cleaning roller 210 to improve the washing effect of the cleaning liquid to the wall of the chamber 110. In this embodiment, a central hole 744 communicated with the other end of the water channel and located at the nozzle 750 is disposed inside the spraying plate 741, and the nozzle 751 is communicated with the central hole 744. Preferably, each of the spray heads 750 is provided with two spray nozzles 751, and the two spray nozzles 751 are symmetrically distributed about a plane perpendicular to the axial direction of the cleaning roller 210.

In order to spray the cleaning liquid onto the inclined surface 743 and the cleaning roller 210 at the same time, the sectional shape of the nozzle 751 along the corresponding radial direction of the cleaning roller 210 is arc-shaped, and the arc-shaped central angle of the nozzle 751 is 30-90 °. In this embodiment, the arc-shaped center angle of the spout 751 is preferably set to 85 °.

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

It is understood that embodiment seven may be combined with embodiment two or embodiment three or embodiment four or embodiment five.

It is understood that the two sloped surfaces 743 between two adjacent nozzles 750 can also intersect at an arc transition surface.

It is understood that the arc center angle of the nozzle 751 may also be set to other reasonable angle values such as 30 °, 35 °, 40 °, 45 °, 50 °, 55 °, 60 °, 65 °, 70 °, 75 °, 80 °, 84 °, 90 °, etc.

Example eight

Referring to fig. 13, in the present embodiment, two roller brush cavities 110 are formed at the bottom of the machine body 100, and correspondingly, two cleaning rollers 210 are formed, wherein one roller brush cavity 110 is formed at the front side of the bottom of the machine body 100, the other roller brush cavity 110 is formed at the rear side of the bottom of the machine body 100, and the two cleaning rollers 210 are respectively formed in the corresponding roller brush cavities 110 and rotate toward each other. The suction opening 640 of the suction assembly is preferably arranged one and in communication with the roller brush chamber on the front side.

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

It is understood that the eighth embodiment can also be combined with the second embodiment or the third embodiment or the fourth embodiment or the sixth embodiment or the seventh embodiment.

It is understood that the two cleaning rollers 210 may be driven by two motors, respectively, or may be driven by one motor at the same time.

Example nine

Referring to fig. 14, in the present embodiment, two roller brush cavities 110 are disposed at the bottom of the machine body 100 at intervals along the front-rear direction, and correspondingly, two cleaning rollers 210 are also disposed in the corresponding roller brush cavities. The dirty box 620 that sets up suction assembly and independent setting simultaneously of this embodiment, suction assembly's suction opening 640 and the roller brush chamber 110 intercommunication of organism 100 front side, the dirty box of independent collection corresponds with the roller brush chamber 110 of organism 100 rear side, and the filth that front side cleaning roller 210 scraped the dirty component is taken away by suction assembly, and the filth that rear side cleaning roller 210 scraped the dirty component directly falls into the dirty box of independent setting.

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

It is understood that the ninth embodiment can also be combined with the second embodiment or the third embodiment or the fourth embodiment or the sixth embodiment or the seventh embodiment.

Example ten

Referring to fig. 15, in the present embodiment, two roller brush cavities 110 are disposed at the bottom of the machine body 100 at intervals along the front-rear direction, and correspondingly, two cleaning rollers 210 are also disposed in the corresponding roller brush cavities. The dirty box 620 of solitary collection is only set up in the setting of this embodiment cancellation suction assembly, and at this moment, the dirty box of collection can be dismantled and locate the bottom of organism 100, and two cleaning roller 210 are by corresponding the filth that scrapes the dirty component and directly fall into the dirty box of collection.

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

It is understood that the tenth embodiment may also be combined with the second embodiment or the third embodiment or the fourth embodiment or the sixth embodiment or the seventh embodiment.

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

1. The utility model provides a surface cleaning device, is equipped with rotatable cleaning roller including the organism that is equipped with roller brush chamber, roller brush intracavity, is equipped with on the chamber wall in roller brush chamber and scrapes dirty component, scrapes the tip of dirty component and the filth of cleaning roller surface contact in order to clear away the cleaning roller surface, a serial communication port, the chamber wall in roller brush chamber is equipped with on the direction of rotation of cleaning roller and is located to scrape dirty component rear and conflict section with cleaning roller interference fit, and the distance between conflict section and the cleaning roller axle center is greater than the tip of scraping dirty component and the centrifugal effect of cleaning roller behind the dirty component of cleaning roller process of slowing down between the cleaning roller axle center, wherein, locate between the front and back both ends of conflict section and use the cleaning roller axle center as the contained angle alpha of centre of a circle less than or equal to 180.

2. The surface cleaning apparatus of claim 1, wherein the distance between the interference section and the cleaning roller axis increases in the direction of rotation of the cleaning roller.

3. A surface cleaning apparatus as claimed in claim 2, characterised in that the leading end of the interference section is provided continuously with the end of the scraping member.

4. A surface cleaning apparatus as claimed in claim 1, characterised in that the wall of the brush chamber is provided with a relief section behind the abutment section in the direction of rotation of the cleaning roller, the distance between the relief section and the roller axis of the cleaning roller being greater than the outer diameter of the cleaning roller.

5. A surface cleaning apparatus as claimed in claim 4, characterised in that the body is provided with a spray member provided with spray heads for spraying cleaning liquid onto the cleaning roller, the spray heads being provided at the release section.

6. A surface cleaning apparatus as claimed in claim 5, wherein the spray heads are spaced apart from each other in the axial direction of the cleaning roller, the wall of the roller brush chamber between two adjacent spray heads is provided with inclined surfaces extending outwardly and intersecting each other, and the cleaning liquid sprayed from the spray heads is at least partially sprayed onto the inclined surfaces.

7. A surface cleaning apparatus as claimed in claim 5, characterised in that the spray head is provided at the rear of the discharge section; and/or the spray head is arranged towards the cavity wall of the roller brush cavity to enable part of cleaning liquid to be sprayed onto the cleaning roller after washing the cavity wall of the roller brush cavity.

8. A surface cleaning apparatus as claimed in claim 4, characterised in that the interference section is arcuate; and/or the release section is arc-shaped.

9. A surface cleaning apparatus as claimed in any one of claims 1 to 8, characterised in that the body is provided with a dirt collection box located to the side of the brush chamber for collecting dirt which is scraped off the cleaning roller by the dirt scraping means.

10. A surface cleaning apparatus as claimed in any one of claims 1 to 8, characterised in that the body is provided with a suction assembly comprising a suction fan, a dirt collection box and ducting, the body being provided with a suction opening to the side of the brush chamber below the dirt scraping means, the suction opening communicating with the dirt collection box via a conduit.