CN216628387U

CN216628387U - Scraping strip for floor sweeping robot

Info

Publication number: CN216628387U
Application number: CN202122416762.8U
Authority: CN
Inventors: 杨勇; 宫海涛; 孙建华
Original assignee: Shenzhen 3irobotix Co Ltd
Current assignee: Shenzhen 3irobotix Co Ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-05-31
Anticipated expiration: 2031-10-08
Also published as: WO2023056691A1

Abstract

The utility model discloses a scraping strip for a sweeping robot, and relates to the technical field of sweeping robots. Including work portion and connecting portion, connecting portion are located the tail end of scraping the strip body, and connecting portion install on scraping the strip support, and work portion includes that work portion is pointed end, first contact surface and second contact surface, and first contact surface is located the most advanced top of work portion, and the second contact surface is located the most advanced below of work portion, and the work portion surface is the mat surface, and mat surface evenly distributed has a plurality of archs, and on the protruding whole mat surface of densely covered, the bottom contacted mutually between the arch and the arch for the stripe. According to the utility model, the contact position of the scraping strip working part and the ground is provided with the bulge, so that the smooth surface of the scraping strip working part is a rough surface, sharp noise generated by sliding friction is eliminated or reduced, and better use experience is brought to a client.

Description

Scraping strip for floor sweeping robot

Technical Field

The utility model belongs to the technical field of sweeping robots, and particularly relates to a scraping strip for a sweeping robot.

Background

With the improvement of living standards and the development of technologies, more and more families begin to use cleaning robots. The cleaning module of the existing cleaning robot generally comprises an edge brush and a rolling brush, wherein the edge brush is positioned on one side of the bottom of the cleaning robot close to the edge, the rolling brush is positioned at the center of the bottom of the cleaning robot, in the cleaning process, the edge brush sweeps sundries around the cleaning robot to the bottom of the cleaning robot, and then the sundries on the ground are swept into a dust box mainly through the rolling brush. The rolling brush is installed at an open position at the bottom of the cleaning robot, and further needs to be fixed by a rolling brush cover. The rolling brush cover is provided with an opening used for exposing the rolling brush and a scraping strip matched with the rolling brush for cleaning. In the cleaning process, the scraping strip is contacted with the ground, and sundries on the ground are swept into a dust box of the cleaning robot through the rolling brush. But the scraping strip is widely applied in the field of robot cleaning, and the working part of the existing scraping strip has a smooth surface when in use, and when in contact with a smooth ground, such as: when the ceramic tiles are used; because both materials are different, and be the smooth surface, easily produce the friction that stagnates, produce the noise when leading to the robot clean, influence user experience.

The existing Chinese patent: CN201820022353.5 scraping strip, main brush subassembly and cleaning robot of using this scraping strip disclose a scraping strip, use main brush subassembly and cleaning robot of this scraping strip, should scrape the strip and include the main part and set up the main part edge is used for the contact site with ground contact, the main part is made by first flexible glue material, the contact site is made by second flexible glue material, the hardness of second flexible glue material is greater than the hardness of first flexible glue material. The scraping strip reduces resonance generated between the cleaning robot and a hard smooth ground, reduces noise pollution, prolongs the service life of the scraping strip and the rolling brush cover, and improves user experience. The main brush assembly and the cleaning robot according to the present invention have similar advantages.

Above-mentioned prior art scheme, though the material through improving the scraping strip has reduced noise pollution, because what the contact site adopted is smooth face, still produce stagnant friction easily in the course of the work, produce the noise when leading to the robot to be clean, influence user experience.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a scraping strip for a sweeping robot, wherein a protrusion is arranged at the contact position of at least one part of a scraping strip working part and the ground, so that the smooth surface of the scraping strip is a rough surface, and the sliding noise generated by the contact of the scraping strip working part and the smooth ground is further reduced.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model provides a scrape strip for sweeping floor robot, includes work portion and connecting portion, connecting portion are located the tail end of scraping the strip body, connecting portion install on scraping the strip support, its characterized in that: the working part comprises a working part tip, a first contact surface and a second contact surface, the first contact surface is located above the working part tip, the second contact surface is located below the working part tip, the part of the working part can be in contact with the ground, at least the part is a rough surface, and a plurality of bulges are uniformly distributed on the rough surface.

As a preferable technical scheme of the utility model, the bulges are densely distributed on the whole rough surface, the bulges are stripe bulges, and the bottoms of the bulges are mutually contacted.

As a preferable technical scheme of the utility model, the projection of the bulge on the horizontal plane is intersected with the linear advancing direction of the sweeping robot.

As a preferable technical scheme of the utility model, the cross section of the convex stripe is triangular, and the vertex angle of the convex stripe is an acute angle.

As a preferable aspect of the present invention, the height of the projection at the first contact surface is less than 1 mm.

As a preferable technical solution of the present invention, the connecting portion includes a first fixing portion and a second fixing portion, the second fixing portion is clamped to the wiper strip holder, and the first fixing portion is fixed to the wiper strip holder by a through-hole screw.

As a preferable technical scheme of the utility model, the bulges are arranged on the rough surface in a transverse and vertical intersecting way to form a reticulate rough surface.

As a preferable technical scheme of the utility model, the bulges are arranged on the rough surface in a staggered and intermittent way, the length of the bulges is greater than or equal to the length of the scraping blade, and the projections cover the whole length of the scraping blade in a horizontal plane.

As a preferred technical scheme of the utility model, the rough surface is provided with a plurality of groups of protruding units, a dust collecting channel convenient for dust collection is arranged between each group of protruding units, the protrusions in the protruding units are obliquely arranged on the rough surface and are in a V shape or an inverted V shape, and the projection of the protrusions on the horizontal plane is intersected with the linear advancing direction of the sweeping robot.

The utility model has the following beneficial effects:

according to the utility model, the contact position of the scraping strip working part and the ground is provided with the bulge, so that the smooth surface of the scraping strip working part is a rough surface, sharp noise generated by sliding friction is eliminated or reduced, and better use experience is brought to a client.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a perspective view of the wiper strip body and the wiper strip holder according to the present invention;

FIG. 4 is a schematic view of the connection between the wiper strip body and the wiper strip holder according to the present invention;

FIG. 5 is a schematic view of a rough surface according to a first embodiment of the present invention;

FIG. 6 is a schematic view of a rough surface according to a second embodiment of the present invention;

FIG. 7 is a schematic view of a rough surface according to a third embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-bar scraping body; 2-working part tip; 3-a second contact surface; 4-a first fixed part; 5-a second fixed part; 6-bulge; 7-a first contact surface; 8-a bar scraping bracket; 9-a bump unit; 10-dust collection channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

As shown in fig. 1, 2 and 3: the application provides a scrape strip for sweeping robot, including work portion and connecting portion, connecting portion are located the tail end of scraping strip body 1, connecting portion install on scraping strip support 8, work portion includes that work portion is most advanced 2, first contact surface 7 and second contact surface 3, first contact surface 7 is located the most advanced 2 tops of work portion, second contact surface 3 is located the most advanced 2 belows of work portion, it is required to explain, work portion is when sweeping robot work, owing to scrape strip support 8 shell thickness, and sweep the robot drive wheel height of sweeping the floor, lead to work portion only part can with ground contact, with clean region with treat clean regional isolation, treat in the clean regional ground pollutant along the 7 top vacuum channel of first contact surface and inhale the dirt box in order to realize.

When the sweeping robot works, the working part is influenced by the ground conditions (such as the influence of ground materials, ground flatness and ground smoothness), the contact part with the ground can be changed, and the common contact states are as follows:

1. the tip of the working part is contacted with the ground under the working state of normal ground height, the contact area with the ground is minimum, the tip is easy to resonate to generate noise during the advancing process of the sweeping robot,

2. the ground condition changes, and the work portion is with the opposite direction flexure of sweeping robot advancing direction, and first contact surface 7 contacts with ground this moment, and the smooth surface of first contact surface 7 contacts with smooth ground in the robot that sweeps is marchd the in-process, produces the friction of stagnating, and then produces the noise easily.

3. The ground condition changes, and the working part is with the equidirectional flexure of sweeping robot advancing direction, and second contact surface 3 and ground contact this moment, and the smooth surface and the smooth ground contact of the robot of sweeping the floor of second contact surface 3 in-process of marcing produce the friction of stagnating easily, and then produce the noise.

So this application with the work portion with the partial surface adjustment of ground contact for the rough surface, change the contact means on work portion and ground, reduce or eliminate the friction that stagnates, and then reduce or eliminate the noise, improve user experience.

Specifically, the rough surface of the working part is provided with a plurality of modes to can eliminate the setting of the purpose of sliding friction, for example: frosted matte, textured matte, striped matte, and the like, without limitation.

As shown in fig. 3, a plurality of protrusions 6 are uniformly distributed on the rough surface, the protrusions 6 are densely distributed on the whole rough surface, the protrusions 6 are stripes, and the bottoms of the protrusions 6 are mutually contacted. It should be noted that, since the working portion contacts with the floor, the cleaning area needs to be isolated from the area to be cleaned, the projection of the stripe projection on the horizontal plane intersects with the linear advancing direction of the sweeping robot, preferably at a vertical nearby angle (the horizontal stripe projection shown in the embodiment of fig. 3),

the cross section of the stripe of the bulge 6 is triangular, and the vertex angle of the stripe of the bulge 6 is an acute angle, so that the force generated by the contact with the ground can be quickly decomposed, and the contact area with the ground can be reduced. The height of the protrusion 6 on the first contact surface 7 is less than 1mm, preventing the hair from winding or seriously depositing dust.

As shown in fig. 4: the connecting portion include first fixed part 4 and second fixed part 5, and the joint of second fixed part 5 is on scraping strip support 8, and first fixed part 4 passes through the perforated screw to be fixed on scraping strip support 8.

On the basis of the above embodiments of the present application, there are provided several other embodiments of the rough surface:

as shown in fig. 5: the bulges 6 are arranged transversely and vertically in an intersecting way on the rough surface to form a reticulate rough surface; or the surface of the working part of the scraping strip is made into a frosted rough surface by common production means such as etching the inner surface of the grinding tool made of the scraping strip and the like.

As shown in fig. 6, on the basis of the above embodiments of the present application, another protrusion embodiment is provided, the protrusion 6 may be intermittent, the protrusion 6 is intermittently arranged in a laterally staggered manner on the rough surface, the length of the protrusion is greater than or equal to the length of the wiper blade, and the protrusion 6 covers the whole length of the wiper blade in a horizontal projection; this structure is favorable to when work portion and ground contact, with clean region with treat clean region isolation, and then prevent that the protruding clearance of ground pollutant appearance from getting into in the clean region.

As shown in fig. 7: the mat surface is provided with the protruding unit 9 of a plurality of groups, it collects passageway 10 to be provided with the dust that is convenient for the dust to collect between every protruding unit 9 of group, 6 slope arrangements of arch in the protruding unit 9 are the V type or fall the V type on the mat surface, the arch is crossing in the projection of horizontal plane and the robot straight line direction of advance of sweeping the floor this moment, the wind of the intake of vacuum channel can be in the same direction of collecting passageway 10 and protruding 6 clearances, inhale the fine pollutant in the dirt box with the ground, 6 acute angle apex angles in the cooperation are protruding to produce with ground and are lasted the fine motion and reduce the ground pollutant deposit in the clearance of arch 6. It should be noted that the arrangement of the convex unit 9 is influenced by the suction force of the sweeping robot, and in general, the larger the suction force of the sweeping robot, the smaller the inclination angle (the gentler the inclination angle); in addition, the arrangement of the convex units 9 is influenced by the shape and the size of the sweeping robot, and the convex units 9 are arranged in the working part appropriately.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean 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 utility model. In this specification, the schematic representations of the terms used above do not necessarily refer 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.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a scrape strip for sweeping floor robot, includes work portion and connecting portion, connecting portion are located the tail end of scraping strip body (1), connecting portion install on scraping strip support (8), its characterized in that: the working part comprises a working part tip (2), a first contact surface (7) and a second contact surface (3), the first contact surface (7) is located above the working part tip (2), the second contact surface (3) is located below the working part tip (2), the part of the working part can be in contact with the ground, at least the part is a rough surface, a plurality of bulges (6) are uniformly distributed on the rough surface, and the bulges (6) are arranged in a transverse and vertical intersecting manner on the rough surface to form a textured rough surface.

2. The scraper bar of claim 1, wherein the protrusions (6) are densely distributed on the whole rough surface, the protrusions (6) are stripe protrusions (6), and the protrusions (6) are contacted with each other at the bottom.

3. The screed according to claim 2, wherein a projection of the projection (6) onto a horizontal plane intersects a linear direction of travel of the sweeping robot.

4. The scraping bar for the sweeping robot as claimed in claim 3, wherein the cross section of the stripes of the protrusions (6) is triangular, and the top angles of the stripes of the protrusions (6) are acute angles.

5. A scraper bar for a sweeping robot according to claim 4, characterized in that the height of the protrusions (6) at the first contact surface (7) is less than 1 mm.

6. The scraping bar for the sweeping robot of claim 1, wherein the connecting part comprises a first fixing part (4) and a second fixing part (5), the second fixing part (5) is clamped on the scraping bar bracket (8), and the first fixing part (4) is fixed on the scraping bar bracket (8) through a perforated screw.

7. The scraping bar for the sweeping robot according to claim 1, wherein the protrusions (6) are arranged on the rough surface in a staggered and intermittent manner in the transverse direction, the length of the protrusions is greater than or equal to the length of the scraping blade, and the protrusions (6) cover the whole length of the scraping blade in a horizontal plane projection.