CN218960631U - Rolling brush, floor brush and cleaning device - Google Patents

Abstract

The utility model discloses a rolling brush, a floor brush with the rolling brush and cleaning equipment with the floor brush, wherein the rolling brush comprises a brush rod and a scraping strip, the scraping strip extends spirally around the axis of the brush rod, the scraping strip is provided with a first side and a second side which are opposite in the direction perpendicular to the axis of the brush rod, the first side of the scraping strip is connected with the brush rod, and the second side of the scraping strip is provided with a plurality of teeth which are distributed along the length direction of the scraping strip. According to the rolling brush provided by the embodiment of the utility model, the scraping strip extends spirally around the axis of the brush rod, the scraping strip can guide the movement of dust and sundries, the garbage collection efficiency is improved, and meanwhile, the scraping strip is provided with the plurality of teeth, and the plurality of teeth can quickly pick up hairs on the cleaned surface in the process of rotating along with the rolling brush, so that the cleaning effect of the rolling brush is better.

Description

Rolling brush, floor brush and cleaning device

Technical Field

The utility model relates to the technical field of household appliances, in particular to a rolling brush, a floor brush comprising the rolling brush and cleaning equipment comprising the floor brush.

Background

The dust collector is used as a cleaning household appliance and is popular with users, and can clean hair and the like of pets besides cleaning in daily households. Taking a handheld dust collector as an example, the dust collector generally comprises a handheld host, a ground brush and a connecting pipe which is positioned between the handheld host and the ground brush and connects the host and the ground brush. The handheld host comprises at least a dust cup, a main motor for generating negative pressure and a battery for supplying power. The floor brush comprises a shell, a dust suction port, a rolling brush arranged in the shell and a motor for controlling the rolling brush to rotate, and dust scraped by the rolling brush enters the floor brush from the dust suction port. The roller brush in the related art has a poor pick-up effect on hair, resulting in poor cleaning effect.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, an object of the present utility model is to provide a rolling brush which can pick up hair quickly and has a better cleaning effect.

Another object of the present utility model is to provide a floor brush, including the rolling brush.

It is a further object of the utility model to propose a cleaning device comprising a floor brush as described above.

According to the rolling brush, the rolling brush comprises a brush rod and a scraping strip, the scraping strip extends spirally around the axis of the brush rod, the scraping strip is provided with a first side edge and a second side edge which are opposite in the direction perpendicular to the axis of the brush rod, the first side edge of the scraping strip is connected with the brush rod, and the second side edge of the scraping strip is provided with a plurality of teeth which are distributed along the length direction of the scraping strip.

According to the rolling brush provided by the embodiment of the utility model, the scraping strip extends spirally around the axis of the brush rod, the scraping strip can guide the movement of dust and sundries, the garbage collection efficiency is improved, meanwhile, the scraping strip is provided with the plurality of teeth, and the plurality of teeth can quickly pick up hairs on the surface to be cleaned in the process of rotating along with the rolling brush, so that the structure is simple, and the cleaning effect of the rolling brush is improved.

In addition, the rolling brush according to the above embodiment of the present utility model may further have the following additional technical features:

optionally, the scraping strip and the brush bar are formed separately and assembled together.

Optionally, a sliding groove is formed in the brush rod, and the scraping strip is embedded into the sliding groove so as to be installed on the brush rod through the sliding groove.

Optionally, a sliding groove is formed in the brush rod, the sliding groove extends spirally around the axis of the brush rod, the cross section of the sliding groove is configured into a trapezoid structure with a small opening and a large inner space, and the first side edge of the scraping strip is matched with the shape of the sliding groove.

Optionally, the rolling brush further comprises a cleaning part, the cleaning part is cylindrical and sleeved on the brush rod, and the scraping strip is connected with the cleaning part or integrally formed.

Optionally, the scraping strip and the brush bar are integrally formed.

Optionally, the teeth are configured as helical teeth inclined in the direction of extension of the wiper strip.

Optionally, the radial dimension of the rolling brush is gradually changed along the axial direction of the brush rod, and the teeth on the scraping strip are inclined towards the direction that the radial dimension of the rolling brush is reduced.

Optionally, the plurality of teeth on the scraping strip are arranged at equal intervals.

Optionally, the scraping strip is a flexible strip.

Optionally, the scraping strips comprise a plurality of scraping strips which are arranged at intervals along the circumferential direction of the brush rod, the spiral directions of the plurality of scraping strips are the same, and an air channel is formed between every two adjacent scraping strips.

Optionally, the brush bar is cylindrical, and the height of the scraping strip relative to the brush bar is gradually reduced in a direction from one end of the brush bar to the other end.

According to an embodiment of the present utility model, a floor brush includes: the rolling brush comprises a shell, the rolling brush and a driving piece; the shell is provided with a containing cavity and a dust suction opening and an air suction opening communicated with the containing cavity; the rolling brush is embedded in the accommodating cavity and is opposite to the dust collection opening; the driving piece is connected with the rolling brush to drive the rolling brush to rotate.

According to the ground brush provided by the embodiment of the utility model, the driving piece drives the rolling brush to rotate, the teeth on the rolling brush can improve the hair picking efficiency, and under the negative pressure traction of the airflow at the dust collection opening, the garbage scraped by the rolling brush is collected into the ground brush through the air suction opening along with the rotation of the rolling brush, so that the cleaning efficiency and the cleaning effect of the ground brush are improved.

Optionally, a stop structure is arranged at the dust collection opening, and the stop structure is arranged at the position where the rolling brush is connected with the driving piece.

Optionally, the driving piece is arranged on the outer side of the rolling brush.

Optionally, the driving member is at least partially disposed within the roller brush.

Alternatively, the roller brush has a fixed end and a free end opposite to each other in the axial direction, and the roller brush is configured in a cantilever shape in which the fixed end is connected to the driving member.

Optionally, the radial dimension of the rolling brush is gradually reduced in a direction from the fixed end to the free end, and an axis of the rolling brush is obliquely arranged so that the rolling brush is substantially flush with the dust collection opening.

Optionally, in the axial direction of the rolling brush, a cavity is formed between the free end of the rolling brush and the accommodating cavity in a spaced mode, and at least a part of the air suction port is opposite to the cavity.

Optionally, the floor brush comprises a plurality of the roller brushes.

A cleaning device according to an embodiment of the utility model comprises the aforementioned floor brush.

According to the cleaning equipment provided by the embodiment of the utility model, the spiral scraping strip is arranged on the rolling brush, so that the garbage collection efficiency can be improved, the scraping strip is provided with the teeth, the hair on the surface to be cleaned can be better picked up by the teeth in the rotating process of the rolling brush, and the hair is not easy to wind on the rolling brush, so that the cleaning performance and the reliability of the cleaning equipment are improved.

Optionally, the cleaning device is a dry cleaner.

Drawings

Fig. 1 is a schematic view of a roll brush of an embodiment of the utility model.

Fig. 2 is a schematic view of another direction of a roll brush according to an embodiment of the utility model.

Fig. 3 is an exploded schematic view of a roll brush according to an embodiment of the present utility model.

Fig. 4 is a schematic view of a floor brush of an embodiment of the utility model.

Fig. 5 is an exploded view of a floor brush according to an embodiment of the present utility model.

Fig. 6 is a schematic view of another direction of the floor brush of an embodiment of the utility model.

Fig. 7 is a schematic bottom view of a floor brush according to an embodiment of the utility model.

Fig. 8 is a schematic view of a floor brush of an embodiment of the utility model, with the housing hidden.

Reference numerals:

100. a rolling brush; 101. a fixed end; 102. a free end; 10. brushing a rod; 20. scraping the strip; 21. a first side; 22. a second side; 23. teeth; 24. an air duct; 30. a cleaning part; 1000. a floor brush; 200. a housing; 210. a dust collection port; 220. a stop structure; 230. an air suction port; A. an axis of the roll brush; B. a surface to be cleaned.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

Referring to fig. 1 and 2, a roll brush 100 according to an embodiment of the present utility model includes a brush bar 10 and a wiper strip 20, the wiper strip 20 extending helically about an axis of the brush bar 10, the wiper strip 20 having opposite first and second sides 21, 22 in a direction perpendicular to the axis of the brush bar 10, wherein the first side 21 of the wiper strip 20 is adapted to be coupled to the brush bar 10 and the second side 22 of the wiper strip 20 is adapted to contact a surface to be cleaned (e.g., a floor, carpet, mattress, sofa surface, etc.). The first side 21 of the wiper strip 20 is connected to the brush bar 10 and the second side 22 of the wiper strip 20 is provided with a plurality of teeth 23 arranged along the length of the wiper strip 20. The scraping strip 20 extends spirally around the axis of the brush rod 10, the scraping strip 20 which extends spirally when the rolling brush 100 rolls can guide dust and sundries to move, collection efficiency of the dust and the sundries is improved, meanwhile, the second side 22 of the scraping strip 20, namely the side contacted with the surface to be cleaned, is provided with a plurality of teeth 23, and the plurality of teeth 23 can pick up hairs on the surface to be cleaned quickly in the rolling process along with the rolling brush 100, so that the cleaning effect of the rolling brush 100 is better.

The roll brush 100 of the present utility model may be applied to a cleaning apparatus such as a cleaner or a sweeping robot. The rolling brush 100 rolls on the surface to be cleaned, the brush bar 10 drives the scraping bar 20 to guide dust and sundries to move, the teeth 23 can pick up hairs on the surface to be cleaned, and the scraping bar 20 is matched with the teeth 23 to pick up hairs on the surface to be cleaned more easily and quickly. The cleaning device generally has a dust suction port 210 and an air suction port 230, and dust, sundries, hair and the like scraped by the rolling brush 100 are collected inside the cleaning device through the air suction port 230 along with the rolling of the rolling brush 100 and the guiding of air flow, so as to clean the surface to be cleaned.

The scraping strip 20 and the teeth 23 of the utility model can be integrated, so that the rolling brush 100 is not easy to wind hair; the wiper strip 20 and the teeth 23 may also be of a split construction. The scraping strip 20 extends spirally around the axis of the brush rod 10, the scraping strip 20 and the brush rod 10 can be of an integrally formed structure, and the integrally formed structure can simplify the component composition of the rolling brush 100; of course, the scraping strip 20 and the brush bar 10 can be in a split structure, and the scraping strip 20 is assembled on the brush bar 10, so that the scraping strip 20 and the brush bar 10 are easy to manufacture and open; the scraping strip 20 can also be arranged in a replaceable form, and the scraping strip 20 can be disassembled from the brush rod 10 so as to be convenient for replacing a new scraping strip 20 after the scraping strip 20 is worn.

The roll brush 100 of the present utility model may be provided in various shapes, for example, the roll brush 100 may be a tapered brush in which the radial dimension of the roll brush 100 is gradually changed in the direction in which the axis of the brush bar 10 extends, and the radial dimension of one end of the roll brush 100 is large and the radial dimension of the other end is small. The roll brush 100 may also be provided as a cylindrical roll brush 100, that is to say the radial dimensions of the roll brush 100 are identical. When the roller brush 100 is applied to the cleaning apparatus, the number of the roller brushes 100 may be one or more, and may be adjusted according to different functions, models, and the like.

In some embodiments of the present utility model, the scraping strip 20 and the brush bar 10 may be formed separately and assembled together, that is, the scraping strip 20 and the brush bar 10 belong to two parts, the scraping strip 20 extends spirally around the axis of the brush bar 10, and the scraping strip 20 and the brush bar 10 are arranged in a separately formed form, so that the scraping strip 20 and the brush bar 10 are easier to open and manufacture, and the production cost of parts is saved. The wiper strip 20 and the brush bar 10 may be assembled together in various forms, for example, the wiper strip 20 may be fixed to the brush bar 10 by a fixing member, or the wiper strip 20 may be embedded in the roll brush 100, etc.

In some embodiments of the present utility model, a sliding groove may be formed on the brush bar 10, and the scraping strip 20 is embedded in the sliding groove to be mounted on the brush bar 10 through the sliding groove, and the sliding groove is designed to facilitate the installation of the scraping strip 20 and the brush bar 10, so as to improve the assembly efficiency of the rolling brush 100.

Wherein the scraping strip 20 is installed on the brush bar 10 through a sliding groove, and the scraping strip 20 can be detached from or assembled with the brush bar 10. It will be appreciated that the roller brush 100 guides the movement of dust and foreign matters during the rolling process, the scraping strip 20 needs to be in contact with the cleaned surface continuously, the scraping strip 20 is easy to wear after long-term use, the scraping strip 20 is arranged in a separately formed form, and the scraping strip 20 is arranged on the brush rod 10 through the sliding groove, so that the scraping strip 20 is convenient to replace, the whole roller brush 100 is prevented from being damaged by the scraping strip 20, and the cost of later maintenance is saved. In addition, in some cases, such as a case where there are more hairs or the hairs are longer, a portion of the hairs may be entangled on the roller brush 100, and the separately formed structure can facilitate the detachment of the scraping strip 20 from the brush bar 10, so as to facilitate cleaning of the hairs on the roller brush 100, and facilitate maintenance of the roller brush 100.

In some embodiments of the present utility model, a sliding groove is provided on the brush bar 10, the sliding groove extends spirally around the axis of the brush bar 10, the cross-sectional area of the sliding groove is configured into a trapezoid structure with small opening and large inner space, and the first side 21 of the scraping strip 20 is adapted to the shape of the sliding groove. After the scraping strip 20 is assembled in the sliding groove, the opening is arranged into a trapezoid structure, so that the scraping strip 20 can be stably fixed in the sliding groove, the scraping strip 20 is clamped tightly by the opening, the scraping strip 20 is prevented from falling out of the sliding groove, and the working stability of the rolling brush 100 is improved.

Referring to fig. 3, in some embodiments of the present utility model, the rolling brush 100 may further include a cleaning portion 30, where the cleaning portion 30 is cylindrical and is sleeved on the brush bar 10, and the scraping strip 20 is connected to or integrally formed with the cleaning portion 30. By providing the cleaning part 30, the assembly efficiency of the roll brush 100 assembly can be improved by sleeving the cleaning part on the brush bar 10. In addition, the scraping strip 20 is connected with the cleaning part 30 or is integrally formed, and it is understood that the scraping strip 20 is a wearing part, and by arranging the cleaning part 30, the scraping strip 20 can be conveniently replaced, when the scraping strip 20 is worn and needs to be replaced, and when the scraping strip 20 and the cleaning part 30 are integrally formed, the cleaning part 30 can be detached from the brush bar 10, and a new cleaning part 30 can be replaced; when the scraping strip 20 is connected with the cleaning part 30, the scraping strip 20 can be detached from the cleaning part 30 or the cleaning part 30 can be directly replaced without replacing the whole rolling brush 100 assembly, so that the maintenance cost of the rolling brush 100 in the later period is saved.

In some embodiments of the present utility model, the scraping strip 20 and the brush bar 10 are integrally formed, so that the overall structure of the brush bar 10 is high in strength and not easy to damage, and the integrally formed structure is convenient to reduce the number of components and improve the assembly efficiency of the product.

In some embodiments of the utility model, in connection with fig. 1, the teeth 23 are configured as oblique teeth inclined in the direction of extension of the wiper strip 20, and the roller brush 100 is arranged during rolling with the teeth 23 at an angle to the surface to be cleaned, so that the teeth 23, when in contact with the surface to be cleaned, pick up hairs from the surface to be cleaned more easily.

The radial dimension of the roller brush 100 may be gradually changed along the axial direction of the brush bar 10, wherein the radial dimension of the roller brush 100 refers to the dimension from the axis of the brush bar 10 to the second side 22 of the wiper strip 20 in a direction perpendicular to the axis of the brush bar 10. The radial dimension of the roller brush 100 may be gradually increased, gradually decreased, or sequentially increased and decreased in the axial direction of the brush bar 10, etc. For example, the radial dimension of the rolling brush 100 may be gradually reduced from one end to the other end of the rolling brush 100, so as to guide dust, sundries, hair, etc. to move from the end with the larger radial dimension of the rolling brush 100 to the end with the smaller dimension in cooperation with the structure of the spirally extending scraping strip 20 during the rolling process of the rolling brush 100, and the teeth 23 on the scraping strip 20 incline toward the direction of reducing the radial dimension of the rolling brush 100, and during the hair moving process, the inclined teeth 23 can pick up hair quickly, so as to improve the efficiency of cleaning hair of the rolling brush 100. Further, the suction inlet 230 of the cleaning apparatus may be located at a side close to the smaller radial dimension of the brush bar 10, and dust, garbage, hair, etc. near the suction inlet 210 may move from the end of the roller brush 100 having the larger radial dimension to the end having the smaller radial dimension along with the rotation of the roller brush 100 and the guiding of the air flow, so that the dust, garbage, hair, etc. scraped by the roller brush 100 may be sucked into the cleaning apparatus from the suction inlet 230, thereby improving the cleaning efficiency and cleaning effect of the cleaning apparatus.

The radial dimension of the rolling brush 100 gradually changes along the axial direction of the brush bar 10, which may be a structure in which the radial dimension of the rolling brush 100 gradually decreases from one end to the other end, the rolling brush 100 includes the brush bar 10 and the scraping strip 20, and the radial dimension of the brush bar 10 gradually decreases from one end to the other end in the axial direction of the brush bar 10, and the height dimension of the scraping strip 20 relative to the brush bar 10 is the same; or the radial dimension of the brush bar 10 is the same, and the height dimension of the scraping strip 20 relative to the brush bar 10 is gradually reduced from one end to the other end; it is of course also possible to provide that the radial dimension of the brush bar 10 and the height dimension of the wiper strip 20 both taper from one end to the other. With the structure that the radial dimension of the rolling brush 100 gradually becomes smaller from one end to the other end along the axial direction of the brush bar 10, the air suction inlet 230 is matched with the air suction inlet 230 of the cleaning device, the air suction inlet 230 is positioned on one side of the rolling brush 100 with smaller radial dimension, and the air flow negative pressure at the air suction inlet 230 pulls dust to move from one end of the rolling brush 100 with larger radial dimension to one end with smaller dimension, so that the dust scraped by the rolling brush 100 can enter the cleaning device from the dust suction inlet 210 along with the rotation of the rolling brush 100, and the hair, the dust and the like are driven by the negative pressure and collected through the air suction inlet 230 along with the rotation of the rolling brush 100 and the guidance of the air flow, so that the dust, sundries, the hair and the like can be cleaned in a shorter time, and the cleaning efficiency of the cleaning device is improved.

In some embodiments of the present utility model, the plurality of teeth 23 on the scraping strip 20 may be arranged at equal intervals, that is, the arrangement of the teeth 23 is uniform, so as to uniformly pick up the hair on the surface to be cleaned, improve the cleaning effect on the surface to be cleaned, and avoid missing the hair.

In some embodiments of the present utility model, the scraping strip 20 may be a flexible strip, in other words, the scraping strip 20 may be soft, deformable and have a certain toughness, for example, may be a rubber strip, etc., so that the rolling brush 100 can adapt to a variety of cleaning surfaces, which may be floors, carpets, sofas, mattresses, or other surfaces that are not too flat, etc. And when the scraping strip 20 contacts the cleaning surface, the scraping strip 20 has flexibility to bring up dust, sundries, hair and the like more easily, and is sucked into the cleaning device from the suction inlet 230 along with the rolling of the rolling brush 100, thereby improving the cleaning efficiency and the cleaning effect.

Referring to fig. 1, in some embodiments of the present utility model, the scraping strips 20 may include a plurality of scraping strips 20 arranged at intervals along the circumferential direction of the brush bar 10, each of the plurality of scraping strips 20 spirally extends along the axis of the brush bar 10, and the spiral directions of the plurality of scraping strips 20 are the same, and an air channel 24 is formed between adjacent scraping strips 20. When the rolling brush 100 rotates, air channels 24 formed between the adjacent scraping strips 20 can collect air flow in the air channels 24, so that dust, sundries, hair and other garbage can be scraped by the rolling brush 100 more easily, the scraped garbage enters the cleaning equipment from the dust collection opening 210 along with the rotation of the rolling brush 100, the cleaning efficiency of the cleaning equipment is higher, and the hair and the like are not easy to wind on the rolling brush 100.

In some embodiments of the present utility model, the brush bar 10 may be cylindrical and the height of the wiper strip 20 relative to the brush bar 10 decreases gradually in the direction from one end of the brush bar 10 to the other. It will be appreciated that providing the brush bar 10 in a cylindrical shape may allow the brush bar 10 to be more easily molded open, saving on the cost of manufacturing the brush bar 10. The height of the scraping strip 20 relative to the brush bar 10 is gradually reduced, the brush bar 10 is cylindrical, and the radial dimension of the roller brush 100 in the direction in which the axis of the brush bar 10 extends is gradually reduced. The suction inlet 230 of the cleaning device may be disposed at an end with a smaller height near the scraping strip 20, and by setting the height of the scraping strip 20 to be gradually reduced, dust, impurities, hair, etc. are more likely to move toward the end with a smaller height dimension of the scraping strip 20 under the negative pressure traction of the air flow at the suction inlet 230, and after moving to the position of the suction inlet 230, the dust, impurities, hair, etc. are collected into the cleaning device through the suction inlet 230, so that the hair, etc. is not likely to be wound on the rolling brush 100. The height of the scraping strip 20 gradually decreases to guide the movement of the garbage, and cooperates with the suction inlet 230, so that the cleaning efficiency and cleaning effect of the cleaning apparatus are improved, and the hair can be prevented from being wound on the roller brush 100.

Referring to fig. 4 to 7, a floor brush 1000 according to an embodiment of the present utility model may include a housing 200 and the foregoing rolling brush 100, where the housing 200 is provided with a receiving cavity, and a dust suction port 210 and a suction port 230 communicating with the receiving cavity. The roller brush 100 is inserted into the accommodating chamber and is opposite to the dust suction port 210. The floor brush 1000 may further include a driving member coupled to the roller brush 100 to drive the roller brush 100 to rotate. When the cleaning device is in operation, the driving member drives the rolling brush 100 to rotate, and dust, sundries and hair are driven to the suction inlet 230 from the dust suction inlet 210 and the like along with the rotation of the rolling brush 100 and sucked into the floor brush 1000.

The dust collection opening 210 can be configured into a shape matched with the rolling brush 100, negative pressure is formed at the dust collection opening 210, and the dust collection opening 210 is configured into a shape matched with the rolling brush 100, so that the rolling brush 100 can scrape up garbage faster under the driving of the negative pressure, and the cleaning efficiency of the garbage is improved. For example, the roll brush 100 may be a cylindrical roll brush 100, and the dust suction port 210 may be configured as a rectangular shape; the roll brush 100 may be a conical brush, and the dust suction port 210 may be configured in a trapezoidal shape to fit the conical brush.

Further, referring to fig. 7, a stop structure 220 may be disposed at the dust collection opening 210, and the stop structure 220 may be disposed at a position where the roller brush 100 is connected to the driving member. It will be appreciated that when the cleaning device is in operation, the driving member is required to drive the roller brush 100 to rotate continuously, and when there are more or longer hairs, some hairs are easy to be sucked into the dust suction opening 210 and enter the place where the driving member is connected to the roller brush 100, and if the hairs cannot be cleaned timely, the performance of the driving member is easily affected. By providing the stop structure 220, hair can be blocked from entering the driving member, improving the reliability of the cleaning device.

Wherein, the stop structure 220 can be a small soft-velvet brush, the structure is simple, the stop structure 220 can be positioned at one side of the dust collection opening 210, which is close to the driving piece, and in the rotating process of the rolling brush 100, the small soft-velvet brush structure can effectively stop hairs from entering into the driving shaft of the driving piece, so that the hairs are prevented from winding in the driving shaft to influence the work of the driving piece, and the reliability of the cleaning equipment is improved.

In some embodiments of the present utility model, the driving member may be disposed outside the rolling brush 100, for example, may be located at the rear of the rolling brush 100 to drive the rolling brush 100 to flexibly rotate.

In other embodiments of the present utility model, at least a portion of the driving member may be disposed in the rolling brush 100, so that the connection structure between the driving member and the rolling brush 100 is stable, so that the driving member stably drives the rolling brush 100 to rotate, improving the stability of the operation of the ground brush 1000, and the space in the ground brush 1000 is fully utilized by the design of the built-in driving member, so that the structure of the ground brush 1000 is more compact.

The driving member may include an output shaft, and the shaft drives the rolling brush 100 to rotate through a transmission structure.

In some embodiments of the utility model, referring to fig. 5, the roller brush 100 has a fixed end 101 and a free end 102 opposite in the axial direction, and the roller brush 100 is configured in a cantilever shape in which the fixed end 101 is connected to a driving member. Specifically, the fixed end 101 of the rolling brush 100 is connected to the driving member, the free end 102 is in a cantilever shape, and the negative pressure of the air flow at the dust suction port 210 pulls the dust to move from the fixed end 101 to the free end 102, so that the dust, sundries, hair and the like scraped by the rolling brush 100 are sucked into the floor brush 1000 from the dust suction port 210 along with the rotation of the rolling brush 100. The free end 102 of the rolling brush 100 is closer to the air suction inlet 230 of the ground brush 1000 than the fixed end 101, and the garbage scraped by the rolling brush 100 is collected at the air suction inlet 230 after reaching the free end 102, so that the cleaning efficiency of the ground brush 1000 can be improved, and the design of the free end 102 makes the hair and the like not easy to wind on the rolling brush 100.

Further, the radial dimension of the rolling brush 100 is gradually reduced in the direction from the fixed end 101 to the free end 102, so that the garbage can move to the smaller end more easily, and the cleaning efficiency of the garbage can be improved by matching the rolling brush with the spiral air duct 24. In addition, the radial dimension of the rolling brush 100 is gradually reduced, and the axis of the rolling brush 100 may be disposed obliquely, specifically, the axis of the rolling brush 100 may be disposed obliquely with respect to the surface to be cleaned, so that the rolling brush 100 is substantially parallel to the dust suction opening 210, that is, the axis of the rolling brush 100 forms a certain angle with the surface to be cleaned, so that the scraping strip 20 can always keep contact with the surface to be cleaned during the rotation of the rolling brush 100, so as to ensure that when the rolling brush 100 rolls on the surface to be cleaned, the waste on the surface to be cleaned can be effectively scraped up, collected into the air suction opening 230, and sucked into the ground brush 1000.

Referring to fig. 8, a is an axis of the roller brush 100, B is a surface to be cleaned (horizontal plane), and an axis a of the roller brush 100 is inclined with respect to the surface to be cleaned B, so that it is ensured that a radial dimension of the roller brush 100 is gradually reduced, but the wiper strip 20 is always in contact with the surface to be cleaned in an axis extending direction of the roller brush 100, so that the wiper strip 20 can effectively scrape up the garbage on the surface to be cleaned and collect the garbage into the floor brush 1000, and it is ensured that the teeth 23 on the wiper strip 20 are always in contact with the surface to be cleaned to pick up hairs and the like, thereby improving cleaning efficiency and cleaning effect of the floor brush 1000.

Referring to fig. 6 and 7, in some embodiments of the present utility model, in the axial direction of the roll brush 100, a cavity may be formed between the free end 102 of the roll brush 100 and the receiving cavity, and at least a portion of the suction port 230 is opposite to the cavity. That is, there is a space between the free end 102 of the rolling brush 100 and the suction inlet 230, and under the rotation of the rolling brush 100, the scraped dust, sundries, hair, etc. move to the free end 102, and under the action of the suction inlet 230, the dust, sundries, hair, etc. are separated from the free end 102 and sucked into the floor brush 1000 by the suction inlet 230, and the cavity can form negative pressure at the suction inlet 230, so that the garbage collected by the rolling brush 100 reaches the free end 102 to be rapidly separated and quickly sucked into the floor brush 1000, thereby improving the cleaning efficiency of the floor brush 1000, and preventing the hair, etc. from being wound around the rolling brush 100.

Wherein, a stop structure 220 is disposed on one side of the dust collection opening 210 near the fixed end 101 of the rolling brush 100, and a cavity is formed between the free end 102 of the rolling brush 100 and the air suction opening 230 at intervals, so that both ends of the rolling brush 100 are not easy to wind hair, and the use experience of a user is improved.

The floor brush 1000 of the present utility model may include one roll brush 100, and may be configured to include a plurality of roll brushes 100. For example, the two rolling brushes 100 may be symmetrically disposed, the two rolling brushes 100 are respectively located at the left and right sides of the accommodating cavity, the two rolling brushes 100 each include a brush bar 10 and a scraping bar 20, the scraping bar 20 extends spirally around an axis of the brush bar 10, a plurality of teeth 23 arranged along a length direction of the scraping bar 20 are disposed on the scraping bar 20, the two rolling brushes 100 each include a fixed end 101 and a free end 102, the free ends 102 of the two rolling brushes 100 are opposite, the two free ends 102 may be spaced apart to form a cavity, and at least a portion of the air suction port 230 may be opposite to the cavity. By arranging two rolling brushes 100, the rolling brushes 100 can fully scrape dust, hair and the like in the rolling process, move from the fixed end 101 to the free end 102, separate from the free end 102 under the action of air suction of the air suction inlet 230, be sucked into the floor brush 1000, improve the cleaning effect and the cleaning efficiency of the floor brush 1000, and the hair and the like are not easy to wind on the rolling brushes 100.

The cleaning device according to an embodiment of the present utility model includes the aforementioned floor brush 1000, and the floor brush 1000 is connected to the main body portion of the cleaning device. By providing the rolling brush 100, the cleaning effect of the garbage, particularly, the hair and the like can be improved, and the hair is not easy to wind on the rolling brush 100.

In addition, the floor brush 1000 may include the housing 200, the rolling brush 100 and the driving member, the rolling brush 100 may have a fixed end 101 and a free end 102, the fixed end 101 is connected to the driving member, the free end 102 is cantilevered, the rolling brush 100 may gradually decrease in radial dimension in a direction from the fixed end 101 to the free end 102, an axis of the rolling brush 100 may be inclined with respect to a surface to be cleaned, so that the scraping strip 20 may always contact the surface to be cleaned during rotation of the rolling brush 100, a space may be formed between the free end 102 of the rolling brush 100 and the accommodating cavity to form a cavity, and at least a portion of the suction port 230 may be opposite to the cavity. A stop structure 220 may be further provided at the dust suction opening 210 near the position where the roller brush 100 is connected to the driving member, to block the hair from entering the driving member.

According to the cleaning device of the embodiment of the utility model, the driving member drives the rolling brush 100 to rotate, the air flow at the dust suction opening 210 negative pressure pulls dust, sundries, hair and the like to move from the fixed end 101 to the free end 102, the air channel 24 can be formed between the adjacent scraping strips 20, the air channel 24 can gather the air flow so as to improve the collection efficiency of the dust, the teeth 23 are arranged on one side edge of the scraping strips 20, which is contacted with the surface to be cleaned, the teeth 23 can quickly pick up the hair, the dust scraped by the rolling brush 100 moves from the fixed end 101 to the free end 102 of the rolling brush 100 along with the rotation of the rolling brush 100 and the guiding of the air flow, and is separated from the free end 102 at the position of the air suction opening 230 and is collected in the ground brush 1000, so that the cleaning efficiency is high, the cleaning effect is good, and the hair is not easy to wind.

Wherein, the cleaning device can be a dry dust collector, is suitable for cleaning dust, sundries, hair and other dry garbage, and the rolling brush 100 can be a rubber brush which is easy to open and mold and has low manufacturing cost, and meanwhile, the hair is not easy to wind.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (17)

1. A roll brush (100), characterized by comprising:

a brush bar (10);

the scraping strip (20), scraping strip (20) is around the axis spiral extension of brush stick (10), in the direction of perpendicular to brush stick (10) axis scraping strip (20) have relative first side (21) and second side (22), scraping strip (20) first side (21) with brush stick (10) links to each other, just scraping strip (20) second side (22) are equipped with a plurality of teeth (23) of arranging along scraping strip (20) length direction.

2. The roll brush (100) according to claim 1, characterized in that the wiper strip (20) and the brush bar (10) are formed separately and assembled together.

3. The roll brush (100) according to claim 2, characterized in that the brush bar (10) is provided with a chute, in which chute the scraper bar (20) is embedded for mounting on the brush bar (10) through the chute.

4. A roller brush (100) according to claim 3, characterized in that the chute extends helically around the axis of the brush bar (10), and that the cross section of the chute is configured as a trapezoid with small opening and large inner space, and that the first side (21) of the scraper bar (20) is adapted to the shape of the chute.

5. The rolling brush (100) according to claim 2, further comprising a cleaning part (30), wherein the cleaning part (30) is cylindrical and is sleeved on the brush bar (10), and the scraping strip (20) is connected with or integrally formed with the cleaning part (30).

6. The roll brush (100) according to claim 1, characterized in that the wiper strip (20) and the brush bar (10) are integrally formed.

7. The roller brush (100) according to claim 1, characterized in that the teeth (23) are configured as helical teeth inclined in the direction of extension of the wiper strip (20);

and/or the radial dimension of the rolling brush (100) gradually changes along the axial direction of the brush rod (10), and the teeth (23) on the scraping strip (20) incline towards the direction that the radial dimension of the rolling brush (100) decreases.

8. The roll brush (100) according to claim 1, characterized in that the plurality of teeth (23) on the wiper strip (20) are equally spaced;

and/or the scraping strip (20) is a flexible strip;

and/or the scraping strips (20) comprise a plurality of scraping strips (20) which are arranged at intervals along the circumferential direction of the brush rod (10), the spiral directions of the plurality of scraping strips (20) are the same, and an air channel (24) is formed between the adjacent scraping strips (20).

9. The roll brush (100) according to any one of claims 1-8, wherein the brush bar (10) is cylindrical and the height of the wiper strip (20) relative to the brush bar (10) decreases gradually in a direction from one end of the brush bar (10) to the other end.

10. A floor brush (1000), characterized by comprising:

the shell (200), the said shell (200) has holding cavity, dust absorption mouth (210) and air suction mouth (230) which communicate the said holding cavity;

the roller brush (100) according to any one of claims 1-9, the roller brush (100) being embedded in the receiving cavity and being opposite to the dust suction opening (210);

the driving piece is connected with the rolling brush (100) to drive the rolling brush (100) to rotate.

11. The floor brush (1000) according to claim 10, wherein a stop structure (220) is provided at the dust suction opening (210), and the stop structure (220) is provided at a position where the roller brush (100) is connected to the driving member.

12. The floor brush (1000) according to claim 10, characterized in that the drive member is provided outside the roller brush (100); or, the driving member is at least partially disposed within the roller brush (100).

13. The floor brush (1000) according to claim 10, wherein the roll brush (100) has a fixed end (101) and a free end (102) opposite in the axial direction, the roll brush (100) being configured in a cantilever-like manner with the fixed end (101) connected to the driving member.

14. The floor brush (1000) according to claim 13, wherein the radial dimension of the roller brush (100) gradually decreases in a direction from the fixed end (101) to the free end (102), and an axis of the roller brush (100) is inclined so that the roller brush (100) is substantially flush with the dust collection opening (210);

and/or, in the axial direction of the rolling brush (100), a cavity is formed between the free end (102) of the rolling brush (100) and the accommodating cavity in a spaced mode, and at least one part of the air suction inlet (230) is opposite to the cavity.

15. The floor brush (1000) according to claim 10, wherein the floor brush (1000) comprises a plurality of the roller brushes (100).

16. A cleaning device characterized by comprising a floor brush (1000) according to any of claims 10-15.

17. The cleaning apparatus of claim 16, wherein the cleaning apparatus is a dry cleaner.

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