CN111712169A - Dust absorption guide structure, dust absorption mechanism and robot of sweeping floor - Google Patents

Dust absorption guide structure, dust absorption mechanism and robot of sweeping floor Download PDF

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Publication number
CN111712169A
CN111712169A CN201880088671.4A CN201880088671A CN111712169A CN 111712169 A CN111712169 A CN 111712169A CN 201880088671 A CN201880088671 A CN 201880088671A CN 111712169 A CN111712169 A CN 111712169A
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CN
China
Prior art keywords
air duct
dust
groove
suction opening
housing
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Granted
Application number
CN201880088671.4A
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Chinese (zh)
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CN111712169B (en
Inventor
李北辰
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Zhejiang Qiyuan Robot Co.,Ltd.
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Guangzhou Airob Robot Technology Co ltd
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Publication of CN111712169A publication Critical patent/CN111712169A/en
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Publication of CN111712169B publication Critical patent/CN111712169B/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/24—Floor-sweeping machines, motor-driven
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners

Abstract

A dust collection guide structure (10), a dust collection mechanism and a sweeping robot. The dust collection guide structure (10) is arranged at the bottom of a shell (1) of the dust collection mechanism and comprises an air duct suction opening (12) arranged at the bottom of the shell (1) and an inclined guide surface (14) arranged between the air duct suction opening (12) and the edge of the front end of the bottom of the shell (1). The included angle theta between the inclined guide surface (14) and the horizontal plane satisfies the following condition: theta is more than 0 degree and less than 45 degrees. The dust absorption guide structure (10) can realize the obstacle crossing function, and guides and sucks the dust at the front end of the sweeping robot into the air duct suction port, so that the dust sucking efficiency is improved.

Description

Dust absorption guide structure, dust absorption mechanism and robot of sweeping floor Technical Field
The invention relates to the field of robots, in particular to a dust collection guide structure, a dust collection mechanism and a sweeping robot.
Background
The floor sweeping robot is also called a cleaning robot, an intelligent dust collection robot, a robot dust collector and the like, is one of intelligent household appliances, and can automatically complete floor cleaning work in a room by means of certain artificial intelligence. Generally, the floor cleaning machine adopts a brushing and vacuum mode, and firstly absorbs the impurities on the floor into the garbage storage box, so that the function of cleaning the floor is achieved. Generally, a robot that performs cleaning, dust collection and floor wiping is also collectively called a floor sweeping robot.
A conventional sweeping robot is shown in fig. 1, and includes a robot body 100, where the robot body 100 includes a front shell 101, a bottom shell 102, and a front cover (not shown), and the bottom shell 102 is sleeved on and screwed to a bottom of the front shell 101. A universal wheel 104 is disposed at the front end of the bottom case 102, and a left driving wheel 105 and a right driving wheel 106 are disposed at two sides of the middle portion of the bottom case 102, wherein the universal wheel 104, the left driving wheel 105 and the right driving wheel 106 are respectively connected with a motor (not shown in the figure). An air suction opening 107 is formed between the left driving wheel 105 and the right driving wheel 106, a main brush 108 is arranged in the air suction opening 107, the main brush 108 is a rolling brush, the rolling brush 108 is in transmission connection with a rolling brush motor (not shown), and the rolling brush 108 is driven to rotate by the rolling brush motor. The roll brush 108 has a brush shaft 1081 and brush bristles 1082 extending outwardly from an outer wall surface of the brush shaft 1081. The brush shaft 1081 of the rolling brush 108 is driven by the rolling brush motor to rotate, and the brush bristles 1082 clean the ground to lift dust in the process of rotating along with the brush shaft 1081. A dust collecting box (not shown) communicating with the air inlet 107 and a dust suction fan communicating with the dust collecting box are provided in the robot body 100. Under the action of the dust suction fan, the dust raised by the roll brush 108 is sucked into the dust box through the suction opening 107.
Left and right brushes 1091 and 1092 are disposed in front of left and right drive wheels 105 and 106, respectively, and left and right brushes 1091 and 1092 are provided as three- bladed brush holders 10911 and 10921, on which bristles 10912 and 10922 are mounted. The left brush 1091 and the right brush 1092 are respectively connected with an edge brush motor, and the left brush 1091 and the right brush 1092 respectively rotate the brush holders 10911 and 10921 around the central axis thereof by 360 degrees under the driving action of the edge brush motors, so as to drive the brush bristles 10912 and 10922 to rotate to clean the ground dust and suck the dust into the dust collection box through the air suction opening 107.
The inventor finds that the prior art has at least the following technical defects in the process of implementing the invention: the shell bottom surface of robot of sweeping the floor at present all adopts planar structure, hinders the function difference more, and is unfavorable for guiding the dust that will sweep the floor the robot front end and inhales in the wind channel suction port, and the dust collection efficiency is low, and dust absorption effect is general, is unfavorable for the popularization of robot of sweeping the floor.
Disclosure of Invention
The embodiment of the invention aims to provide a dust collection guide structure, a dust collection mechanism and a sweeping robot, which can improve the obstacle crossing function, facilitate the guiding and suction of dust at the front end of the sweeping robot into an air duct suction port, and effectively improve the dust collection efficiency and the dust collection effect.
In order to achieve the above object, an embodiment of the present invention provides a dust suction guiding structure disposed at a bottom of a housing of a dust suction mechanism, including an air duct suction port disposed at the bottom of the housing, an inclined guiding surface disposed between the air duct suction port and a front end edge of the bottom of the housing, an included angle θ between the inclined guiding surface and a horizontal plane being satisfied: theta is more than 0 degree and less than 45 degrees.
As an improvement of the above scheme, an included angle θ between the inclined guide surface and a horizontal plane satisfies: theta is more than 5 degrees and less than 30 degrees.
As an improvement of the above scheme, an included angle θ between the inclined guide surface and a horizontal plane satisfies: theta is more than 10 degrees and less than 20 degrees.
As a modification of the above, the front or rear edge of the air duct suction opening abuts the rear end of the inclined guide surface.
As an improvement of the above, the dust collecting device further comprises at least one groove formed on the surface of the bottom of the housing, and each groove is communicated with the air duct suction opening to form a dust guide air duct for guiding dust into the air duct suction opening.
As an improvement of the scheme, one end of each groove is connected with the air duct suction opening, and the other end of each groove is in smooth transition connection with the edge of the bottom of the shell.
As an improvement of the above solution, each of the grooves is provided on the inclined guide surface.
As an improvement of the above, the grooves provided on the surface of the bottom of the housing include first grooves and second grooves which are provided on both sides of the air duct suction opening, respectively, and front or rear edges of the first grooves and the second grooves are respectively abutted against rear ends of the inclined guide surfaces.
As an improvement of the above scheme, the grooves formed in the surface of the bottom of the housing further include a third groove, a front end of the third groove is in smooth transition connection with a front end of the bottom of the housing, and a rear end of the third groove is connected with the air duct suction opening.
As an improvement of the scheme, the inclined guide surfaces comprise a first inclined guide surface and a second inclined guide surface which are in transition connection front and back, and an included angle between the first inclined guide surface and the horizontal plane is larger than an included angle between the second inclined guide surface and the horizontal plane.
As an improvement of the above scheme, the third groove is arranged on the second inclined guide surface, the front end of the third groove is in smooth transition connection with the rear end of the first inclined guide surface, and the rear end of the third groove is connected with the air duct suction opening.
As an improvement of the above scheme, the inclined guide surface is a curved surface, and an included angle θ between the inclined guide surface and the horizontal plane is gradually reduced from the front end to the rear end of the inclined guide surface.
As an improvement of the above scheme, the second inclined guide surface is further provided with a first cleaning brush and a second cleaning brush, and the first cleaning brush and the second cleaning brush are respectively and correspondingly arranged in front of the first groove and the second groove and are arranged on two sides of the third groove.
As an improvement of the above scheme, the first cleaning brush is arranged in parallel with the first groove, and the second cleaning brush is arranged in parallel with the second groove.
As an improvement of the scheme, the first cleaning brush and the second cleaning brush respectively move back and forth along the axis direction of the first cleaning brush and the second cleaning brush.
As an improvement of the scheme, the first cleaning brush and the second cleaning brush respectively move back and forth along the direction vertical to the axes of the first cleaning brush and the second cleaning brush.
As an improvement of the scheme, the first cleaning brush and the second cleaning brush respectively swing back and forth around the axes of the first cleaning brush and the second cleaning brush.
As an improvement of the above solution, the oscillating ranges of the first and second cleaning brushes oscillating back and forth around their axes are 120 °.
As an improvement of the scheme, the first cleaning brush and the second cleaning brush respectively rotate around the axes of the first cleaning brush and the second cleaning brush for 360 degrees.
As an improvement of the above, the first cleaning brush and the second cleaning brush respectively comprise at least one row of bristles, and each row of bristles mainly comprises a plurality of bristle bundles.
As an improvement of the above scheme, each row of the bristles extends out of the surface of the bottom of the shell to be close to the ground; the upper surfaces of the bristles of each row are in the same horizontal plane to be flush with the ground.
As an improvement of the above aspect, the groove provided on the surface of the bottom of the housing includes one, and the groove is provided between the front end of the surface of the bottom of the housing and the air duct suction opening.
As an improvement of the above, the number of the grooves formed in the surface of the bottom of the housing is two, and the two grooves are respectively formed on both sides of the air duct suction port.
As an improvement of the scheme, the two grooves integrally form a straight line shape, a splayed shape or an inverted splayed shape.
As an improvement of the above, the groove provided on the surface of the bottom of the housing includes a plurality of grooves satisfying:
the grooves are radially arranged at the front end of the surface of the bottom of the shell;
the grooves are arranged in parallel at the front end of the surface of the bottom of the shell;
the plurality of grooves are arranged on two sides of the air duct suction opening in parallel; or the like, or, alternatively,
the grooves are radially arranged on two sides of the air duct suction port.
As an improvement of the scheme, the air duct suction opening is circular, oval, trilateral, quadrilateral or irregular polygon; or the air duct suction opening is approximately elliptical with a rectangular middle and semicircular sides. .
As an improvement of the scheme, the air duct suction opening is polygonal, and one end of each groove is correspondingly connected with one side of the air duct suction opening.
As an improvement of the scheme, the number of the grooves formed in the surface of the bottom of the shell is more than two, the shape of the air duct suction port is matched with that of the grooves, and at least two sides of the air duct suction port are respectively and correspondingly connected with one end of one groove.
As an improvement of the scheme, the air duct suction opening is rectangular, the grooves formed in the surface of the bottom of the shell comprise a first groove and a second groove, and one end of the first groove and one end of the second groove are respectively connected with the left short side and the right short side of the air duct suction opening.
As an improvement of the scheme, the width of one end of the first groove and one end of the second groove are equal to the length of the left short edge and the right short edge of the air duct suction opening.
In an improvement of the above, the grooves formed in the surface of the bottom of the housing further include a third groove, a front end of the third groove is connected with a front edge of the bottom of the housing in a smooth transition manner, and a rear end of the third groove is connected with a front edge of the air duct suction opening.
As a modification of the above, the width of the rear end of the third groove is smaller than or equal to the front edge of the air duct suction opening.
As an improvement of the above, the depth of each of the grooves gradually increases from one end away from the air duct suction opening to the other end connected to the air duct suction opening.
As an improvement of the scheme, the air duct suction opening is arranged on a central axis of the bottom of the shell, and the distance from the air duct suction opening to the front end of the bottom of the shell is smaller than the distance from the air duct suction opening to the rear end of the bottom of the shell.
As an improvement of the above, each of the grooves, the air duct suction port, and the inclined guide surface is integrally formed.
As an improvement of the proposal, the utility model also comprises a baffle arranged at the back side of the air duct suction port.
As an improvement of the scheme, the air duct structure further comprises a baffle, wherein the baffle comprises a middle baffle, a left baffle and a right baffle, the left baffle and the right baffle are connected to the left side and the right side of the middle baffle, the middle baffle is arranged behind the air duct suction opening, and the left baffle and the right baffle are respectively arranged behind the two grooves.
As an improvement of the scheme, the dust collection guide structure further comprises at least one cleaning brush which is arranged on the bottom of the shell and is separated from the air duct suction opening and arranged independently.
As an improvement of the scheme, each sweeping brush integrally moves close to and far away from the air duct suction opening in a reciprocating and circulating mode when being driven.
As an improvement of the proposal, each sweeping brush integrally reciprocates and circularly moves between the air duct suction opening and the edge of the bottom of the shell when being driven.
As an improvement of the above scheme, the dust collection guide structure further comprises at least one cleaning brush which is arranged on the bottom of the shell and is separated from the air duct suction port and arranged independently, and the cleaning brush is matched with the groove to guide raised dust into the air duct suction port through the groove.
As an improvement of the above scheme, the grooves formed in the surface of the bottom of the housing include a first groove and a second groove respectively formed at both sides of the air duct suction port, and the cleaning brushes formed in the bottom of the housing include a first cleaning brush and a second cleaning brush respectively disposed in front of the first groove and the second groove.
As an improvement of the above scheme, the first cleaning brush is arranged in parallel with the first groove, and the second cleaning brush is arranged in parallel with the second groove.
As an improvement of the above scheme, the first trench and the second trench respectively include a plurality of sub-trenches arranged in parallel, the first cleaning brush and the second cleaning brush respectively include a plurality of dust raising sub-brushes arranged in parallel, and the plurality of sub-trenches and the plurality of dust raising sub-brushes are arranged alternately.
As an improvement of the scheme, the first grooves and the second grooves are integrally formed into a straight line shape, a splayed shape or an inverted splayed shape.
As an improvement of the above, the groove is provided between the front end of the surface of the bottom of the housing and the air duct suction opening; the cleaning brush is arranged in parallel with the groove.
As an improvement of the above scheme, the at least two grooves are arranged between the front end of the surface of the bottom of the shell and the air duct suction opening in parallel; the cleaning brush comprises at least one cleaning brush and is arranged at intervals with the groove.
As an improvement of the above scheme, the grooves include a plurality of grooves, and the plurality of grooves are radially arranged at the front end of the surface of the bottom of the shell; the cleaning brush comprises a plurality of cleaning brushes and is arranged at intervals with the groove.
As an improvement of the scheme, each cleaning brush moves back and forth along the axis direction of the cleaning brush.
As an improvement of the scheme, each cleaning brush moves back and forth along the direction perpendicular to the axis of the cleaning brush.
As an improvement of the scheme, each cleaning brush swings back and forth around the axis of the cleaning brush.
As an improvement of the scheme, the swinging range of each cleaning brush swinging back and forth around the axis thereof is 120 degrees.
As an improvement of the scheme, each cleaning brush rotates 360 degrees around the axis of the cleaning brush.
As an improvement of the above scheme, each of the cleaning brushes includes a fixed seat disposed on the bottom of the housing, a movable bracket disposed on the fixed seat, and bristles disposed on the movable bracket, and the movable bracket is driven by a driving part to move relative to the fixed seat.
As an improvement of the above scheme, the movable bracket is driven by the driving part to move relative to the fixed seat as follows:
moving back and forth along the self axis direction; or the like, or, alternatively,
moving back and forth along the direction perpendicular to the self axis.
As an improvement of the above scheme, the movable bracket is further driven by a driving part to move relative to the fixed seat as follows:
swinging back and forth around the axis of the self body within the swinging range of 120 degrees; or
Rotating 360 degrees around the axis of the self-body.
As an improvement of the scheme, the movable support is driven by the driving part and can also move away from or close to the horizontal plane where the fixed seat is located.
As an improvement of the above scheme, the fixing seat includes a body, an accommodating groove is provided in the body, the movable support includes a movable body for setting bristles, a driven portion is provided at the bottom of the movable body, the driven portion extends out of the accommodating groove, and the movable body is driven by the driving part to reciprocate in the accommodating groove.
As an improvement of the above scheme, the driving part comprises a motor and a linkage part driven by the motor, and the linkage part is connected with the driven part in a matching manner.
As an improvement of the above scheme, the motor is a brush direct current motor or a brushless direct current motor; the linkage piece is an eccentric shaft.
As an improvement of the above scheme, the movable body reciprocates in the length direction in the accommodating groove; the length of the movable body is smaller than that of the accommodating groove; the movable body comprises an upper part for arranging bristles and a lower part connected with the upper part, and the driven part is arranged on the bottom surface of the lower part; the longitudinal section of the movable body along the width direction of the movable body is in a convex shape; the width of the upper part is smaller than that of the containing groove so as to be contained in the containing groove, and the width of the lower part is larger than that of the containing groove.
As an improvement of the above scheme, the movable body reciprocates in the width direction in the accommodating groove; the width of the movable body is smaller than that of the accommodating groove; the movable body comprises an upper part for arranging bristles and a lower part connected with the upper part, and the driven part is arranged on the bottom surface of the lower part; the longitudinal section of the movable body along the length direction of the movable body is in a convex shape; the length of the upper part is smaller than that of the containing groove so as to be contained in the containing groove, and the length of the lower part is larger than that of the containing groove.
As an improvement of the above, the bristles are mainly formed by an arrangement of bundles of plural bristles.
As an improvement of the above scheme, the movable bracket arranged on each fixed seat comprises a plurality of movable brackets; and/or the bristles arranged on each movable support comprise a plurality of rows.
As an improvement of the scheme, each row of the bristles extends out of the surface of the bottom of the shell to be close to the ground.
As an improvement of the scheme, the upper surfaces of the bristles of each row are in the same horizontal plane so as to be flush with the ground.
As an improvement of the scheme, each bristle bundle rotates 360 degrees around the circle center of the bristle bundle.
As an improvement of the scheme, the bottom of the shell is in a disc-like shape with the front end edge being a straight line segment.
As an improvement of the scheme, the side brush type electric toothbrush further comprises a side brush arranged on at least one corner of the front end of the bottom of the shell, and the side brush is driven by the driving device to rotate.
The embodiment of the invention also provides a dust collection mechanism which comprises the dust collection guide structure in any embodiment, a dust collection box and a fan, wherein the dust collection box and the fan are arranged in the shell, and the air duct suction port, the dust collection box and the fan are communicated in sequence.
As an improvement of the above scheme, the fan comprises a first fan and a second fan, and the first fan and the second fan are communicated with the dust collection box through an induced draft guide part; the induced draft guide part comprises a first induced draft channel and a second induced draft channel which are mutually independent, the first fan is communicated with the first induced draft channel, and the second fan is communicated with the second induced draft channel.
The embodiment of the invention also provides a sweeping robot, which comprises the dust suction mechanism in any one of the embodiments.
Compared with the prior art, the embodiment of the invention has at least the following technical effects:
(1) the inclined guide surface is arranged between the air duct suction port and the edge of the front end of the bottom of the shell, so that the obstacle crossing function can be realized, the dust at the front end of the sweeping robot can be guided and sucked into the air duct suction port, and the dust suction efficiency and effect are improved. In addition, the inclined guide surface is adopted to replace a rolling main brush arranged in the air suction opening to serve as dust collection guide, and the problem that the cleaning effect of the dust collection box is influenced due to the fact that the rolling main brush is wound to block the dust collection opening can be effectively solved.
(2) The inclined guide surface between the air duct suction port and the front end edge of the bottom of the shell is set to be a first inclined guide surface and a second inclined guide surface which are in front-back transitional connection, and the included angle between the first inclined guide surface and the horizontal plane is larger than the included angle between the second inclined guide surface and the horizontal plane. Therefore, the included angle between the first inclined guide surface and the horizontal plane is large, the obstacle crossing function is improved, the included angle between the second inclined guide surface which is closer to the air duct suction port and the horizontal plane is small, the suction force is larger when the second inclined guide surface is closer to the air duct suction port, and dust is sucked more conveniently.
(3) The inclined guide surface between the air duct suction port and the front end edge of the bottom of the shell is set to be a curved surface, and the included angle theta between the inclined guide surface and the horizontal plane is gradually reduced from the front end to the rear end of the inclined guide surface. Like this, the contained angle theta between the slope spigot surface and the horizontal plane of the front end edge that is close to the shell bottom is bigger, does benefit to improve and hinders the function more, and the contained angle theta between the slope spigot surface and the horizontal plane that are close to the wind channel suction inlet is littleer for it is big more to be close to the suction from the wind channel suction inlet, more does benefit to and inhales the dust.
(4) The surface of the bottom of the shell is provided with at least one groove, and each groove is communicated with the air duct suction port to form a dust guide air duct for guiding dust into the air duct suction port, so that the inclined guide surface is further matched to facilitate guiding and sucking the ground dust into the air duct suction port, and the dust sucking efficiency is improved.
(5) The bottom of the shell is provided with the cleaning brush matched with the groove, so that dust raised by the cleaning brush is further facilitated to be guided into the air duct suction port through the groove, and the dust suction efficiency is improved; in addition, the cleaning brush is arranged at the bottom of the shell and is separated from the air duct suction port to be independently arranged, so that the dust collection efficiency can be more effective, and the problem that the cleaning effect of the dust collection box is influenced by the fact that the cleaning brush is wound to block the dust collection port due to long-term use can be solved.
(6) Set up the slope spigot surface through the front end edge at wind channel suction inlet and shell bottom to the cooperation sets up rotatory limit brush on at least one corner (preferably about both corners) of the front end of shell bottom, can effectively avoid blockking up the dust absorption mouth and influence the dust absorption box and clean the effect scheduling problem because of the winding that the main brush of rolling that sets up on the wind channel suction inlet brought, can do benefit to again and lead to through the dust that the limit brush was raised in the wind channel suction mouth, thereby improve the efficiency of inhaling the dust, especially to the cleaning of corner and clean the effect ideal very much.
(7) The cleaning brush arranged at the bottom of the shell is integrally close to and far away from the air duct suction port when being driven to do reciprocating circulating movement so as to clean, so that dust which is blown up during moving is favorably sucked into the air duct suction port, and the cleaning effect and the dust collection effect are improved.
(8) The sweeping robot has the advantages that the sweeping brush arranged at the bottom of the shell integrally performs reciprocating and circulating movement between the air duct suction port and the edge of the bottom of the shell when driven, and dust at the center and the edge of the sweeping machine is swept by the sweeping brush in the moving process, namely, the sweeping brush provided by the embodiment of the invention can simultaneously serve as the main brush and the side brush in the moving process, so that the sweeping range of the sweeping robot can be enlarged, the cost can be reduced, the main brush, the side brush and the corresponding drive do not need to be respectively arranged, and the cost is lower.
(9) Adopt wholly to be in the peripheral region of robot of sweeping the floor is cleaned to portable brush cleaner agent rotation type limit brush that does reciprocating cycle movement between the edge of wind channel suction inlet and shell bottom, can effectively solve the hair winding that current rotatory limit brush brought and cause the drive wheel to skid the scheduling problem.
Drawings
Fig. 1 is a schematic structural diagram of a sweeping robot used in the prior art.
Fig. 2A to 2G are schematic structural views of a sweeping robot and a dust collection guide structure thereof according to an embodiment of the present invention.
Figure 2H shows an alternative shape embodiment of the air duct suction opening of the dust extraction guide arrangement provided by an embodiment of the present invention.
Fig. 3A is a schematic view of a preferred embodiment of an inclined guide surface of a dust suction guide structure according to a first embodiment of the present invention.
Fig. 3B is a schematic view of another preferred embodiment of the inclined guide surface of the dust suction guide structure according to the first embodiment of the present invention.
Fig. 4A to 4C are schematic structural views of a dust collection guide structure according to a second embodiment of the present invention.
Fig. 5A to 5C are schematic structural views of a dust collection guide structure according to a third embodiment of the present invention.
Fig. 6 is a schematic structural view of a dust suction guide structure provided in the fourth embodiment of the present invention.
Fig. 7A to 7C are schematic structural views of a dust collection guide structure provided in a fifth embodiment of the present invention.
Fig. 8A to 8C are schematic structural views of a dust collection guide structure according to a sixth embodiment of the present invention.
Fig. 9 is a schematic structural view of a dust suction guide structure provided by a seventh embodiment of the present invention.
Fig. 10 is a schematic structural view of a dust suction guide structure according to an eighth embodiment of the present invention.
Fig. 11 is a schematic structural view of a dust suction guide structure according to a ninth embodiment of the present invention.
Fig. 12A to 12F are schematic structural views of a sweeping robot and a dust collection guide structure thereof according to an eleventh embodiment of the present invention.
Fig. 13A to 13F are structural views of a cleaning brush of a dust collection guide structure according to a first embodiment of the present invention.
Fig. 14 is a schematic structural view of a dust suction guide structure according to a twelfth embodiment of the present invention.
Fig. 15A to 15F are structural views of a cleaning brush according to a preferred embodiment of a dust collection guide structure according to a twelfth embodiment of the present invention.
Fig. 16 is a schematic structural view of a dust suction guide structure according to a thirteenth embodiment of the present invention.
Fig. 17 is a schematic structural view of a dust suction guide structure provided in a fourteenth embodiment of the present invention.
Fig. 18 is a schematic structural view of a dust suction guide structure according to a fifteenth embodiment of the present invention.
Fig. 19 is a schematic structural view of a dust suction guide structure according to a sixteenth embodiment of the present invention.
Fig. 20 is a schematic structural view of a dust suction guide structure provided by a seventeenth embodiment of the present invention.
Fig. 21 is a schematic structural view of a dust suction guide structure according to an eighteenth embodiment of the present invention.
Fig. 22A to 22H are schematic structural views of a dust suction guide structure provided in nineteenth embodiment of the present invention.
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 "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example one
Referring to fig. 2A to 2H, an embodiment of the present invention provides a sweeping robot. The floor sweeping robot is provided with a dust collection mechanism, the dust collection mechanism comprises a dust collection guide structure 10 arranged at the bottom of a shell 1, a dust collection box 2 and a fan 3 arranged inside the shell 1, wherein an inlet 20 of the dust collection box 2 is communicated with an air duct suction port 12 of the dust collection guide structure arranged at the bottom of the shell 1, and an outlet (not shown) of the dust collection box 2 is communicated with an inlet 30 of the fan 3.
The fan 3 includes a first fan 31 and a second fan 32, and the first fan 31 and the second fan 32 communicate with the dust box 2 through a suction guide member 33. The suction guide unit 33 includes a first suction passage 331 and a second suction passage 332 which are independent of each other, and the first fan 31 communicates with the first suction passage 331 and the second fan 32 communicates with the second suction passage 332. Wherein the suction guide member 33 is provided with a partition plate 333 at the first and second suction passages 331 and 332 near the inlet 30 of the blower fan 3 to partition the first and second suction passages 331 and 332 to be independent of each other.
The dust collection guide structure 10 provided by the embodiment of the invention is arranged at the bottom 11 of a shell of a dust collection mechanism, and comprises an air duct suction opening 12 arranged at the bottom of the shell, an inclined guide surface 14 is arranged between the air duct suction opening 12 and the front end edge of the bottom of the shell, and the front edge 121 or the rear edge 122 of the air duct suction opening 12 is adjacent to the rear end of the inclined guide surface 14. The included angle theta between the inclined guide surface and the horizontal plane satisfies the following condition: theta is more than 0 degree and less than 45 degrees. Preferably, the included angle θ between the inclined guide surface and the horizontal plane satisfies: theta is more than 5 degrees and less than 30 degrees. More preferably, the included angle θ between the inclined guide surface and the horizontal plane satisfies: theta is more than 10 degrees and less than 20 degrees.
In the embodiment, the inclined guide surface 14 is arranged between the air duct suction port 12 and the front end edge of the shell bottom 11, the inclined guide surface 14 can realize the obstacle crossing function and is beneficial to dust guide, and the groove 13 arranged on the inclined guide surface 14 is matched to further guide and suck dust at the front end of the sweeping robot into the air duct suction port 12, so that the dust suction efficiency is improved.
In a preferred embodiment, as shown in fig. 3A, the inclined guide surface 14 itself is a curved surface, and the included angle θ between the inclined guide surface 14 and the horizontal plane is gradually reduced from the front end to the rear end of the inclined guide surface. This embodiment is configured such that the inclined guide surface between the air duct suction port and the front end edge of the bottom of the housing is set to a curved surface, and the angle θ between the inclined guide surface and the horizontal plane is gradually reduced from the front end to the rear end of the inclined guide surface. Like this, the contained angle theta between the slope spigot surface and the horizontal plane of the front end edge that is close to the shell bottom is bigger, does benefit to improve and hinders the function more, and the contained angle theta between the slope spigot surface and the horizontal plane that are close to the wind channel suction inlet is littleer for it is big more to be close to the suction from the wind channel suction inlet, more does benefit to and inhales the dust.
In another preferred embodiment, as shown in FIG. 3B, the angled guidesThe facing surface 14 comprises a first inclined guiding surface 141 and a second inclined guiding surface 142 which are connected in a front-back transition mode, and an included angle theta 1 between the first inclined guiding surface 141 and the horizontal plane is larger than an included angle theta 2 between the second inclined guiding surface 142 and the horizontal plane. This embodiment is implemented by arranging the inclined guide surfaces between the air duct suction opening 12 and the front end edge of the housing bottom 11 as a first inclined guide surface 141 and a second inclined guide surface 142 that are connected in a front-to-rear transition, and the angle θ between the first inclined guide surface 141 and the horizontal plane1Is larger than the included angle theta between the second inclined guide surface 142 and the horizontal plane2. Thus, the included angle between the first inclined guide surface 141 and the horizontal plane is large, which is beneficial to improving the obstacle crossing function, and the included angle between the second inclined guide surface 142 closer to the air duct suction port and the horizontal plane is small, so that the larger the suction force near the air duct suction port is, which is more beneficial to sucking dust.
The bottom 11 of the housing is a disk-like shape with a straight line segment at the front end. Preferably, the air duct suction opening 12 is arranged on a central axis of the housing bottom 11, and a distance from the air duct suction opening 12 to a front end 111 of the housing bottom 11 is smaller than a distance from the air duct suction opening 12 to a rear end 112 of the housing bottom. It will be appreciated that, as shown in fig. 2H, the air duct suction opening 12 may be shaped as a circle 12a, an ellipse 12b, a triangle 12c, a quadrangle 12d, or an irregular polygon 12 e; or the air duct suction opening is approximately oval 12f with a middle rectangle and two semicircular sides, and the like.
The sweeping robot disclosed by the embodiment of the invention comprises a dust collection mechanism, wherein under the suction action of a fan 3 in a shell 1, the dust collection mechanism is matched with a dust collection guide structure 10 on the bottom of the shell 1, at least one groove arranged on the surface of the bottom of the shell is used as a dust guide air duct to guide sucked dust into an air duct suction port, and the dust enters a dust collection box through the air duct suction port, so that the function of cleaning the ground is achieved.
It can be seen that this embodiment both can realize hindering the function more through setting up the slope spigot surface between the front end edge of wind channel suction inlet and shell bottom, can do benefit to again and inhale the wind channel suction with the dust guide of robot front end of sweeping the floor in, improve the efficiency and the effect of inhaling the dust. In addition, the inclined guide surface is adopted to replace a rolling main brush arranged in the air suction opening to serve as dust collection guide, and the problem that the cleaning effect of the dust collection box is influenced due to the fact that the rolling main brush is wound to block the dust collection opening can be effectively solved.
Furthermore, the inclined guide surface between the air duct suction port and the front end edge of the bottom of the shell is set to be a first inclined guide surface and a second inclined guide surface which are in front-back transitional connection, and the included angle between the first inclined guide surface and the horizontal plane is larger than the included angle between the second inclined guide surface and the horizontal plane. Therefore, the included angle between the first inclined guide surface and the horizontal plane is large, the obstacle crossing function is improved, the included angle between the second inclined guide surface which is closer to the air duct suction port and the horizontal plane is small, the suction force is larger when the second inclined guide surface is closer to the air duct suction port, and dust is sucked more conveniently.
Further, the inclined guide surface between the air duct suction port and the front end edge of the bottom of the shell is set to be a curved surface, and the included angle theta between the inclined guide surface and the horizontal plane is gradually reduced from the front end to the rear end of the inclined guide surface. Like this, the contained angle theta between the slope spigot surface and the horizontal plane of the front end edge that is close to the shell bottom is bigger, does benefit to improve and hinders the function more, and the contained angle theta between the slope spigot surface and the horizontal plane that are close to the wind channel suction inlet is littleer for it is big more to be close to the suction from the wind channel suction inlet, more does benefit to and inhales the dust.
Example 2
The dust collection guide structure provided by the embodiment of the invention further comprises an air duct suction opening 12 arranged on the bottom 11 of the shell and at least one groove 13 arranged on the surface of the bottom 11 of the shell on the basis of the embodiment 1, and each groove 13 is communicated with the air duct suction opening 12 to form a dust guide air duct for guiding dust into the air duct suction opening 12. The groove 13 is provided on the inclined guide surface 14.
Each groove is configured and arranged to connect with the air duct suction opening 12. In particular, one end 131 of each groove 13 is connected to the air duct suction opening 12, and the other end 132 of each groove 13 is in smooth transition connection with the edge of the housing bottom 11. And each of the grooves 13 and the air duct suction opening 12 may be formed integrally.
Therefore, the sweeping robot disclosed by the embodiment of the invention is provided with at least one groove on the surface of the bottom of the shell, and each groove is communicated with the air duct suction port to form a dust guide air duct for guiding dust into the air duct suction port, so that the ground dust is guided and sucked into the air duct suction port, and the dust suction efficiency is improved. In addition, the dust guide air duct is adopted to replace a rolling main brush arranged in the air suction opening, so that the problem that the cleaning effect of the dust suction box is influenced due to the fact that the dust suction opening is blocked by winding caused by the rolling main brush can be effectively solved.
In the following, the dust suction guiding structure 10 of the present invention will be described in detail by way of several embodiments, which may adopt alternative specific structures and operating principles.
Referring to fig. 4A to 4C, a dust suction guiding structure provided in an embodiment of the present invention is disposed at a bottom 11 of a housing of a dust suction mechanism, and includes an air duct suction port 12 disposed at the bottom 11 of the housing, and a groove 13, the groove 13 is disposed between a front end of a surface of the bottom 11 of the housing and the air duct suction port 12, and the groove 13 is communicated with the air duct suction port 12 to form a dust guiding air duct for guiding dust into the air duct suction port 12.
Specifically, the front end 131 of the groove 13 is smoothly transitionally connected with the front end edge of the housing bottom 11, the rear end 132 of the groove 13 is connected with the front edge 121 of the air duct suction opening 12, the depth of the groove 13 gradually increases from the front end 131 to the rear end 132 thereof, and the width D1 of the rear end 132 of the groove 13 is smaller than or equal to the length of the front edge 121 of the air duct suction opening 12, which facilitates introduction of dust into the air duct suction opening 12. In addition, the rear edge 122 of the air duct suction opening 12 is provided with a baffle 120 which extends upwards, and the baffle 120 is arranged on the rear edge 122 of the air duct suction opening 12 and can block raised dust and paper scraps to prevent the dust and the paper scraps from diffusing to the rear of the air duct suction opening 12 and being incapable of being sucked into the air duct suction opening 12.
It is to be understood that, when the dust suction guiding structure of embodiment 2 adopts the structure of the inclined guiding surface 14 shown in fig. 3B, the groove 13 may also be provided on the second inclined guiding surface 142, the front end 131 of the groove 13 is in smooth transition connection with the rear end of the first inclined guiding surface 141, and the rear end 132 of the groove 13 is connected with the air duct suction opening 12.
It can be seen that, in the embodiment, at least one groove is arranged on the surface of the bottom of the shell, and each groove is communicated with the air duct suction port to form a dust guide air duct for guiding dust into the air duct suction port, so that the inclined guide surface is further matched to facilitate guiding and sucking the ground dust into the air duct suction port, and the dust suction efficiency is improved.
Example 3
Referring to fig. 5A to 5C, in the dust suction guiding structure according to the embodiment of the present invention, on the basis of embodiment 1, the dust suction guiding structure further includes an air duct suction port 12 disposed on the bottom 11 of the housing, and a first groove 133 and a second groove 134 disposed on two sides of the air duct suction port 12, where the first groove 133 and the second groove 133 are respectively communicated with the air duct suction port 12 to form a dust guiding air duct for guiding dust into the air duct suction port 12.
Specifically, one end 1331 of the first groove 133 is connected to the air duct suction opening 12, and the other end 1332 of the first groove 133 is smoothly transitionally connected to the edge of the housing bottom 11. One end 1341 of the second groove 134 is connected to said air duct suction opening 12, and the other end 1342 of the second groove 134 is in smooth transition connection with the edge of the housing bottom 11. The air duct suction opening 12 is rectangular, one ends (1331, 1341) of the first and second grooves 131 are respectively connected with the left and right short sides of the air duct suction opening, and the widths of the one ends (1331, 1341) of the first and second grooves 131 are equal to the lengths of the left and right short sides of the air duct suction opening 12. The depth of the first groove 133 increases from one end 1332 thereof to the other end 1331 thereof, and the depth of the second groove 134 increases from one end 1342 thereof to the other end 1341 thereof, which is more advantageous in guiding dust and facilitating the suction of dust into the air duct suction opening 12 through the first and second grooves 133, 134. Preferably, the first and second grooves 133 and 134 are integrally formed in an inverted-V shape, that is, one end (1331, 1341) of the first and second grooves 133 and 134 is connected to the air duct suction opening located at the front part of the bottom of the housing, and the other end (1332, 1342) is connected to the left and right corner edges of the front end of the bottom of the housing in a smooth transition manner.
In addition, the dust suction guide structure of the present embodiment may also be provided with the inclined guide surface 14, and the front or rear edges of the first groove 133 and the second groove 134 are respectively adjacent to the rear end of the inclined guide surface 14. The specific structure and operation principle of the inclined guide surface 14 can be referred to the related description of embodiment 2.
It is understood that when the inclined guide surface 14 of the present embodiment adopts the structure of the inclined guide surface 14 shown in fig. 4B, the first groove 133 and the second groove 134 are provided on the second inclined guide surface 142.
In addition, the present embodiment further provides a baffle plate including a middle baffle plate 1201 provided on the rear side 122 of the air duct suction opening 12, and a left baffle plate 1202 and a right baffle plate 1203 connected to the left and right sides of the middle baffle plate 1201, the left baffle plate 1202 and the right baffle plate 1203 being provided behind the first groove 133 and the second groove 134, respectively. The baffle of this embodiment can block the dust and the wastepaper that are kicked up, avoids dust and wastepaper to spread to clear air duct suction inlet 12 rear and can't inhale in air duct suction inlet 12.
Example 4
Referring to fig. 6, in the dust suction guiding structure according to the embodiment of the present invention, based on embodiment 1, the dust suction guiding structure further includes an air duct suction opening 12 disposed on the bottom 11 of the housing, and a first groove 133 and a second groove 134 disposed on two sides of the air duct suction opening 12, where the first groove 133 and the second groove 133 are respectively communicated with the air duct suction opening 12 to form a dust guiding air duct for guiding dust into the air duct suction opening 12.
The structure of the dust suction guide structure of this embodiment is substantially the same as that of the dust suction guide structure of embodiment 3, except that the first groove 133 and the second groove 134 of the dust suction guide structure of this embodiment are integrally formed in a straight line (straight line), that is, the first groove 133 and the second groove 134 are flush with the air duct suction port 12, one end (1331, 1341) of the first groove and the second groove is connected with the air duct suction port 12 located at the front part in the bottom of the housing, and the other end (1332, 1342) of the first groove and the second groove is respectively connected with the left edge and the right edge of the bottom of the housing which are flush with the air duct.
It is understood that the first groove 133 and the second groove 134 of the present embodiment may be integrally formed in a splayed shape, and the technical effects to be achieved by the embodiments of the present invention may also be achieved.
Example 5
Referring to fig. 7A to 7C, in the dust suction guiding structure according to the embodiment of the present invention, based on embodiment 1, the dust suction guiding structure further includes an air duct suction opening 12 disposed on the bottom 11 of the housing, and a first groove 133 and a second groove 134 disposed on two sides of the air duct suction opening 12, where the first groove 133 and the second groove 133 are respectively communicated with the air duct suction opening 12 to form a dust guiding air duct for guiding dust into the air duct suction opening 12. The present embodiment further comprises a third groove 135 formed in the surface of the housing bottom 11, wherein the front end of the third groove 135 is smoothly connected to the front edge of the housing bottom 11, and the rear end of the third groove 135 is connected to the front edge of the air duct suction opening 12.
It can be understood that the dust suction guide structure of the present embodiment is a combination of the dust suction guide structures disclosed in embodiments 2 and 3, and three grooves are provided to guide the dust at the front end and at both sides of the air duct suction port 12 to be sucked into the air duct suction port 12, so that the dust suction efficiency and effect can be further improved. Other structures and working principles of the dust collection guide structure of this embodiment can refer to the description of embodiments 2 and 3, and are not described herein again.
Example 6
Referring to fig. 8A to 8C, in the dust suction guiding structure according to the embodiment of the present invention, a fourth groove 136 is added on the basis of embodiment 5, a front end of the fourth groove 136 is in smooth transition connection with a front edge of the bottom 11 of the housing, and a rear end of the fourth groove 136 is connected with a front edge of the air duct suction opening 12.
Specifically, the air duct suction port 12 of the present embodiment is formed in a pentagonal shape, and the remaining four sides except the rear side 122 of the air duct suction port 12 are respectively connected to one end of one of the grooves. The first groove 133, the second groove 134, the third groove 135, and the fourth groove 136 are integrally provided in a radial shape at the front end of the surface of the case bottom 11.
In the present embodiment, the four grooves are provided to guide the dust on the front end and both sides of the air duct suction port 12 to be sucked into the air duct suction port 12, so that the dust collection efficiency and effect can be further improved. Other structures and working principles of the dust collection guide structure of this embodiment can refer to the description of embodiment 5, and are not described herein again.
It can be understood that, in the present embodiment, a structure of four grooves is adopted, and in order to further improve the dust suction effect, five, six or more grooves may be provided, and a plurality of grooves are radially provided at the front end of the surface of the bottom 11 of the housing.
Example 7
Referring to fig. 9, the embodiment of the present invention provides a dust suction guiding structure, the design of which is substantially the same as that of the dust suction guiding structure of embodiment 6, except that the other ends (i.e. front ends) 1352, 1362 of the third groove 135 and the fourth groove 136 provided in embodiment 6 are in smooth transition connection with the rear end of the first inclined guiding surface 141, and the other ends (i.e. front ends) 1352, 1362 of the third groove 135 and the fourth groove 136 of the dust suction guiding structure provided in this embodiment are in smooth transition connection with the front end edge of the housing bottom 11, i.e. the lengths of the third groove 135 and the fourth groove 136 of the dust suction guiding structure provided in this embodiment are longer, which is more favorable for guiding dust into the air duct suction port 12.
Example 8
Referring to fig. 10, an embodiment of the present invention provides a dust suction guiding structure, which has a design substantially identical to that of the dust suction guiding structure of embodiment 2, except that the groove provided between the front end of the surface of the housing bottom 11 and the air duct suction opening 12 of this embodiment includes at least two sub-grooves. For example, in the present embodiment, a first sub-groove 1301 and a second sub-groove 1302 are included, and the first sub-groove 1301 and the second sub-groove 1302 are arranged in parallel and communicate with the air duct suction opening 12, respectively, to constitute a dust guide air duct that guides dust into the air duct suction opening 12.
In the present embodiment, at least two sub-grooves arranged in parallel between the front end of the surface of the bottom 11 of the housing and the air duct suction opening 12 are used as dust guide air ducts for guiding dust into the air duct suction opening, so that the dust collection efficiency and effect can be further improved.
It can be understood that the groove between the front end of the surface of the bottom 11 of the housing and the air duct suction opening 12 may also include three or more sub-grooves, which can achieve the technical effects of the embodiments of the present invention.
Example 9
Referring to fig. 11, a dust suction guide structure according to an embodiment of the present invention is substantially identical in design to the dust suction guide structure according to embodiment 3, except that the first groove and the second groove provided at both sides of the air channel suction port 12 of this embodiment respectively include at least two sub-grooves. For example, the first trench includes a sub-trench 133a and a sub-trench 133b, the second trench includes a sub-trench 134a and a sub-trench 134b, and the sub-trench 133a and the sub-trench 133b are disposed in parallel, and the sub-trench 134a and the sub-trench 134b are disposed in parallel.
In the embodiment, at least two sub-grooves are respectively arranged on two sides of the air duct suction port 12 in parallel to serve as dust guide air ducts for guiding dust into the air duct suction port, so that the dust collection efficiency and the dust collection effect can be further improved.
It can be understood that the sub-grooves respectively disposed in parallel at two sides of the air duct suction opening 12 in this embodiment may also include three or more sub-grooves, and the technical effects to be achieved by the embodiments of the present invention can also be achieved.
It can be understood that the at least two sub-grooves respectively disposed at two sides of the air duct suction opening 12 of the present embodiment may also be in a radial shape instead of a parallel state, and the technical effects to be achieved by the embodiments of the present invention can also be achieved.
It can be understood that the sub-grooves arranged in parallel at both sides of the air duct suction opening 12 and the air duct suction opening 12 are integrally formed into an inverted eight shape in the present embodiment, but it can be understood that the sub-grooves and the air duct suction opening 12 may be integrally formed into a linear shape or an eight shape, and the effects to be achieved by the embodiments of the present invention can also be achieved.
Example 10
The dust collection guide structure provided by the embodiment of the invention is based on any one of the embodiments, and at least one cleaning brush is arranged on the bottom 11 of the shell and is separated from the air duct suction opening 12.
When being driven, each cleaning brush can integrally move back and forth in a circulating way to clean and lift dust and paper scraps on the ground. Preferably each said sweeper brush as a whole is driven in a reciprocating cyclical movement towards and away from said air duct suction opening 12. More preferably, each of said sweeper brushes is driven to move in a reciprocating cycle generally between said air duct suction opening 12 and the rim of the housing base 11.
Preferably, each of the sweeper brushes is arranged to mate with a groove in the surface of the housing base 11 to facilitate the direction of the lifted dirt and dust through the groove and into the air duct suction opening 12.
Through set up in the shell bottom with slot assorted brush cleaner to further do benefit to the dust that raises through the brush cleaner and lead to through the slot in the wind channel is inhaled, thereby improves the efficiency of inhaling the dust.
This embodiment is through set up in the shell bottom with the slot phase-match and with the independent brush cleaner of wind channel suction inlet separation to further do benefit to and clean through the brush cleaner and raise the dust and lead to through the slot in the wind channel suction inlet, outside can more effectual dust absorption efficiency, can also avoid using the winding that brings and stop up the dust absorption mouth and influence the dust absorption box and clean the effect scheduling problem for a long time at the brush cleaner.
The matching arrangement of each sweeper brush with the channel, the specific structure and the operating principle that can be used will now be described in detail by way of a number of embodiments.
Example 11
Referring to fig. 12A to 12F, in a dust suction guiding structure according to an embodiment of the present invention, based on embodiment 3, at least one cleaning brush is separately and independently disposed at the bottom 11 of the housing and separated from the air duct suction opening 12.
Specifically, a first cleaning brush 151 and a second cleaning brush 152 are arranged in a matching manner, and the first cleaning brush 151 is arranged in front of the first groove 133 and parallel to the first groove 133; the second cleaning brush 152 is disposed in front of the second groove 134 and parallel to the second groove 134.
It is to be understood that when the inclined guide surface 14 of the present embodiment adopts the structure of the inclined guide surface 14 shown in fig. 4B, the first and second wipers 151 and 152 are preferably provided on the second inclined guide surface 142.
In this embodiment, it is preferable that the first cleaning brush 151 and the second cleaning brush 152 move back and forth along their axial directions (directions of arrows a1 and a2 in the figure), respectively. That is, the first cleaning brush 151 and the second cleaning brush 152 are driven to integrally and respectively perform reciprocating movement between the air duct suction port and the edge of the bottom of the housing, and clean dust at the center and the edge of the sweeper in the moving process, that is, the cleaning brush provided by the embodiment of the invention can simultaneously serve as a main brush and an edge brush in the moving process, so that the cleaning range of the sweeping robot can be increased, the cost can be reduced, the main brush, the edge brush and the corresponding drive do not need to be respectively arranged, and the cost is lower.
Referring to fig. 13A to 13F, the structure of the cleaning brush employed in the present embodiment is shown. The cleaning brush comprises a fixed seat 91 arranged on the bottom 11 of the shell, a movable support 92 arranged on the fixed seat 91 and bristles 93 arranged on the movable support 92, wherein the movable support 92 is driven by a driving part 94 to move relative to the fixed seat 91. Specifically, the movable bracket 92 is driven by a driving component to move back and forth along its axis (shown by arrow a in the figure) relative to the fixed bracket 91.
The fixing seat 91 includes a limiting body 911, an accommodating groove 910 is provided in the limiting body 911, the movable support 92 includes a movable body 921 for setting the brush hair 93, a driven portion 922 is provided at the bottom of the movable body 921, the driven portion 922 extends out from the accommodating groove 910, and the movable body 921 is driven by the driving part 94 to reciprocate in the accommodating groove 910. The driving part 94 includes a motor 941 and a linkage piece 942 driven by the motor 941, and the linkage piece 942 is connected to the passive part 922 in a matching manner. The motor 941 is preferably a brush dc motor or a brushless dc motor, and the linkage 942 is an eccentric shaft driven by the brush dc motor or the brushless dc motor.
Specifically, the movable body 921 reciprocates in the longitudinal direction in the accommodation groove 910. The length of the movable body 921 is less than the length of the receiving groove 910. The movable body 921 further includes an upper portion 9211 for setting the brush staples 93 and a lower portion 9212 connected to the upper portion 9211, and the driven portion 922 is provided on a bottom surface of the lower portion 9212. The longitudinal section of the movable body 921 along its width direction is convex. The width of the upper portion 9211 is smaller than the width of the receiving groove 910 to be received in the receiving groove 910, and the width of the lower portion 9212 is larger than the width of the receiving groove 910.
Preferably, the fixing base 91 of the embodiment further includes a bottom shell 913, and the limiting body 911 is fixed inside the bottom shell 913 through a connecting member (such as a screw, etc.) to prevent the movable body 921 accommodated in the accommodating groove 910 from being separated from the limiting body 911; the bottom of the bottom case 913 has a slot 9130 to extend out of the passive portion 922. However, it is understood that the sweeper brush of the present embodiment may not be provided with the bottom case 913, as shown in fig. 13F, and the implementation effect thereof is not affected.
In specific implementation, the linkage member (eccentric shaft) 942 is driven by a motor to rotate, and in the rotating process of the linkage member (eccentric shaft) 942, the linkage member (eccentric shaft) is connected to the driven portion 922 at the bottom of the movable body 921 in a matching manner, so as to drive the movable body 921 to reciprocate in the length direction of the accommodating groove 910.
Preferably, in the present embodiment, the bristles 93 are mainly formed by an arrangement of a plurality of bundles of bristles. In addition, the movable bracket 92 provided on each of the fixed holders 91 may include a plurality; and/or the bristles provided on each of the movable supports 92 may include a plurality of rows. Each row of the bristles 93 extends from the surface of the housing base 11 to lie adjacent the ground. The upper surfaces of each row of the bristles 93 are at the same horizontal plane to be flush with the ground.
Preferably, in this embodiment, the movable bracket 92 is further driven by a driving component 94 to move relative to the fixed bracket as follows:
swinging back and forth around the axis of the self length direction, wherein the swinging range is 120 degrees; or
Rotate 360 degrees around the axial line of the length direction of the self-rotating shaft.
As the improved scheme, the cleaning brush can do self-motion of 120-degree back-and-forth swing or 360-degree rotation around the axis of the self length direction besides being set as the reciprocating motion, so that the cleaning effect can be further improved, and the dust collection effect and the dust collection efficiency can be improved.
Preferably, in this embodiment, the movable bracket 92 is driven by the driving part 94 and can also move up and down away from or close to the horizontal plane on which the fixed bracket is located. As above-mentioned improvement scheme, through setting up the brush cleaner into the brush that floats, be applicable to uneven ground, can carry out the self-adaptation according to the unsmooth condition in different ground and go up and down to clean to hugging closely ground, thereby guarantee to clean the effect.
Example 12
Referring to fig. 14, a dust suction guide structure according to an embodiment of the present invention is substantially the same as that of embodiment 11, except that the first cleaning brush 151 and the second cleaning brush 152 are respectively provided to move back and forth in directions perpendicular to their axes (directions of arrows B1 and B2 in the figure). That is, the first cleaning brush 151 and the second cleaning brush 152 are driven to perform reciprocating movement close to and away from the air duct suction opening as a whole to perform cleaning, so that dust raised during the movement can be sucked into the air duct suction opening, and the cleaning effect and the dust collection effect can be improved.
Referring to fig. 15A to 15F, the structure of the cleaning brush employed in the present embodiment is shown. The cleaning brush comprises a fixed seat 91 arranged on the bottom 11 of the shell, a movable support 92 arranged on the fixed seat 91 and bristles 93 arranged on the movable support 92, wherein the movable support 92 is driven by a driving part 94 to move relative to the fixed seat 91. Specifically, the movable bracket 92 is driven by a driving component to move back and forth along its axis (shown by arrow B in the figure) relative to the fixed bracket 91.
The fixing seat 91 includes a limiting body 911, an accommodating groove 910 is provided in the limiting body 911, the movable support 92 includes a movable body 921 for setting the brush hair 93, a driven portion 922 is provided at the bottom of the movable body 921, the driven portion 922 extends out from the accommodating groove 910, and the movable body 921 is driven by the driving part 94 to reciprocate in the accommodating groove 910. The driving part 94 includes a motor 941 and a linkage piece 942 driven by the motor 941, and the linkage piece 942 is connected to the passive part 922 in a matching manner. The motor 941 is preferably a brush dc motor or a brushless dc motor, and the linkage 942 is an eccentric shaft driven by the brush dc motor or the brushless dc motor.
Specifically, the movable body 921 reciprocates in the width direction in the accommodation groove 910. The width of the movable body 921 is smaller than the width of the receiving groove 910. The movable body 921 includes an upper portion 9211 for setting the brush staples 93 and a lower portion 9212 connected to the upper portion 9211, and the driven portion 922 is provided on a bottom surface of the lower portion 9212. The longitudinal section of the movable body 921 along its length direction is convex. The length of the upper portion 9211 is smaller than the length of the receiving groove 910 to be received in the receiving groove, and the length of the lower portion 9212 is larger than the length of the receiving groove 910.
Preferably, the fixing base 91 of the embodiment further includes a bottom shell 913, and the limiting body 911 is fixed inside the bottom shell 913 through a connecting member (such as a screw, etc.) to prevent the movable body 921 accommodated in the accommodating groove 910 from being separated from the limiting body 911; the bottom of the bottom case 913 has a slot 9130 to extend out of the passive portion 922. However, it is understood that the sweeper brush of the present embodiment may not be provided with the bottom case 913, as shown in fig. 15F, and the implementation effect thereof is not affected.
In specific implementation, the linkage member (eccentric shaft) 942 is driven by a motor to rotate, and in the rotating process of the linkage member (eccentric shaft) 942, the linkage member (eccentric shaft) is connected to the driven portion 922 at the bottom of the movable body 921 in a matching manner, so as to drive the movable body 921 to reciprocate in the width direction of the accommodating groove 910.
Example 13
Referring to fig. 16, in the dust suction guiding structure provided by the embodiment of the present invention, based on embodiment 3, at least one cleaning brush is separately and independently disposed at the bottom 11 of the housing and separated from the air duct suction opening 12. Specifically, a first cleaning brush 151 and a second cleaning brush 152 are disposed in a matching manner, the first cleaning brush 151 is disposed on the first groove 133, and the second cleaning brush 152 is disposed on the second groove 133.
Wherein the first cleaning brush 151 and the second cleaning brush 152 are configured to move back and forth along their axes, and the specific structure and principle can refer to embodiment 11.
Example 14
Referring to fig. 17, in the dust suction guiding structure provided by the embodiment of the present invention, based on embodiment 5, at least one cleaning brush is separately and independently disposed at the bottom 11 of the housing and separated from the air duct suction opening 12. Specifically, a first cleaning brush 151 and a second cleaning brush 152 are disposed in a matching manner, and the first cleaning brush 151 and the second cleaning brush 152 are respectively disposed in front of the first groove 133 and the second groove 134 and disposed at two sides of the third groove 135. The first cleaning brush 151 is disposed in parallel with the first groove 133; the second sweeper brush 152 is disposed parallel to the second channel 134.
Wherein the first and second cleaning brushes 151 and 152 may be configured to move back and forth along their own axes or in a direction perpendicular to their own axes. The specific structure and principle can be referred to the above-described embodiments 11 and 12.
In addition, please refer to the related descriptions of the above embodiments 11 and 12 for the improved structures of the first cleaning brush 151 and the second cleaning brush 152 of this embodiment, which are not repeated herein.
Example 15
Referring to fig. 18, in the dust suction guiding structure provided by the embodiment of the present invention, based on embodiment 6 or embodiment 7, at least one cleaning brush is separately and independently arranged at the bottom 11 of the housing and separated from the air duct suction opening 12. Specifically, a first cleaning brush 151, a second cleaning brush 152 and a third cleaning brush 153 are arranged in a matching manner, wherein the first cleaning brush 151, the second cleaning brush 152 and the third cleaning brush 153 are integrally and radially arranged at the front end of the surface of the bottom 11 of the housing, and are arranged alternately with the first groove 133, the second groove 134, the third groove 135 and the fourth groove 136.
The first cleaning brush 151, the second cleaning brush 152 and the third cleaning brush 153 may be configured to move back and forth along the axis direction thereof or move back and forth along a direction perpendicular to the axis direction thereof. The specific structure and principle can be referred to the above-described embodiments 11 and 12.
In addition, please refer to the related descriptions of the above embodiments 11 and 12 for the improved structures of the first cleaning brush 151, the second cleaning brush 152, and the third cleaning brush 153 of this embodiment, which are not repeated herein.
Example 16
Referring to fig. 19, in the dust suction guiding structure provided by the embodiment of the present invention, based on embodiment 8, at least one cleaning brush is separately and independently disposed at the bottom 11 of the housing and separated from the air duct suction opening 12. Specifically, a first cleaning brush 151, a second cleaning brush 152 and a third cleaning brush 153 are arranged in a matching manner, and the first cleaning brush 151, the second cleaning brush 152 and the third cleaning brush 153 are arranged between the front end of the surface of the bottom 11 of the casing and the air duct suction opening 12, and are parallel to and arranged at intervals with the first sub-groove 1301 and the second sub-groove 1302.
The first cleaning brush 151, the second cleaning brush 152 and the third cleaning brush 153 may be configured to move back and forth along the axis direction thereof or move back and forth along a direction perpendicular to the axis direction thereof. The specific structure and principle can be referred to the above-described embodiments 11 and 12.
In addition, please refer to the related descriptions of the above embodiments 11 and 12 for the improved structures of the first cleaning brush 151, the second cleaning brush 152, and the third cleaning brush 153 of this embodiment, which are not repeated herein.
Example 17
Referring to fig. 20, in the dust suction guiding structure provided by the embodiment of the present invention, based on embodiment 9, at least one cleaning brush is separately and independently disposed at the bottom 11 of the housing and separated from the air duct suction opening 12. Specifically, a first cleaning brush 151 and a second cleaning brush 152 are disposed in a matching manner, and the first cleaning brush 151 is disposed between the sub-groove 133a and the sub-groove 133b and is disposed in parallel with the sub-groove 133a and the sub-groove 133 b. The second sweeper brush 152 is disposed between the sub-groove 134a and the sub-groove 134b and is disposed parallel to the sub-groove 134a and the sub-groove 134 b.
Wherein the first and second cleaning brushes 151 and 152 may be configured to move back and forth along their own axes or in a direction perpendicular to their own axes. The specific structure and principle can be referred to the above-described embodiments 11 and 12.
In addition, please refer to the related descriptions of the above embodiments 11 and 12 for the improved structures of the first cleaning brush 151 and the second cleaning brush 152 of this embodiment, which are not repeated herein.
Example 18
Referring to fig. 21, in the dust suction guiding structure provided by the embodiment of the present invention, based on embodiment 9, at least one cleaning brush is separately and independently disposed at the bottom 11 of the housing and separated from the air duct suction opening 12. Specifically, the cleaning sub-brush 151a and the cleaning sub-brush 151b are disposed in parallel, and the cleaning sub-brush 152a and the cleaning sub-brush 152b are disposed in parallel. The cleaning brush 151a and the cleaning brush 151b are respectively disposed in front of the sub-grooves 133a and 133b and are parallel to and spaced apart from the sub-grooves 133a and 133 b. The cleaning sub-brushes 152a and 152b are respectively disposed in front of the sub-grooves 134a and 134b and in parallel with and spaced apart from the sub-grooves 134a and 134 b.
Among them, the cleaning sub-brush 151a and the cleaning sub-brush 151b, the cleaning sub-brush 152a and the cleaning sub-brush 152b may be disposed to move back and forth in a direction of their own axes or in a direction perpendicular to their own axes. The specific structure and principle can be referred to the above-described embodiments 11 and 12.
In addition, for the improved structures of the cleaning sub-brushes 151a and 151b and the cleaning sub-brushes 152a and 152b of this embodiment, please refer to the related descriptions of the above embodiments 11 and 12, and the description thereof is omitted here.
Example 19
The embodiment of the invention provides a dust collection guide structure, on the basis of any one of the embodiments, the side brush is arranged on at least one corner of the front end of the bottom of the shell, and the side brush rotates when driven by the driving device. Wherein, the side brush preferably adopts a three-blade type rotary side brush.
Referring to fig. 22A to 22H, on the basis of the above embodiments 2 to 9, respectively, an edge brush is provided on at least one corner of the front end of the bottom 11 of the housing, and the edge brush performs a rotational motion when driven by a driving device.
Specifically, a first side brush 181 is disposed at the upper left corner of the front end of the housing bottom 11, a second side brush 182 is disposed at the upper right corner of the front end of the housing bottom 11, and the first side brush 181 and the second side brush 182 are preferably three-blade rotary side brushes.
It is thus clear that this embodiment is through setting up at least one slot on the surface of shell bottom to the cooperation sets up rotatory limit brush on at least one corner (preferably two angles about) of the front end of shell bottom, can effectively avoid blockking up the dust absorption mouth and influence dust absorption box and clean the effect scheduling problem because of the winding that the main brush that rolls that sets up on the wind channel suction inlet brought, can do benefit to again through the dust that the limit brush was raised and lead to in the wind channel suction mouth through the slot, thereby improve the efficiency of inhaling the dust, especially to the cleaning of corner and clean the effect ideal very much.
It is understood that, in this embodiment, on the basis of embodiments 10 to 18, the rotating side brush may be disposed on at least one corner (preferably, both left and right corners) of the front end of the bottom of the housing, and the rotating side brush may be disposed such that the bristles thereof do not interfere with the cleaning brush or the like during the movement.
Specifically, the first side brush 181 and the second side brush 182 are set so that the brush bristles thereof have a length that does not interfere with the cleaning brush or the like during movement.
It can be seen that in the embodiment of the invention, the surface of the bottom of the housing is provided with at least one groove, the cleaning brush 15 which is separated from the air duct suction port and is independently arranged is arranged near the center of the bottom of the housing to clean the raised dust, and the rotating first side brush 181 and the second side brush 182 are arranged on the left corner and the right corner of the front end of the bottom of the housing in a matching manner, so that the dust at the center and the edge of the sweeper can be effectively cleaned, the cleaning and sweeping effects are particularly ideal, and the cleaning efficiency and the cleaning effect are very effectively improved.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims (72)

  1. The utility model provides a dust absorption guide structure, locates dust absorption mechanism's shell bottom, its characterized in that, including locating wind channel suction inlet on the shell bottom wind channel suction inlet with be equipped with the slope spigot surface between the front end edge of shell bottom, contained angle theta between slope spigot surface and the horizontal plane satisfies: theta is more than 0 degree and less than 45 degrees.
  2. A dust extraction guide structure according to claim 1, wherein the angle θ between the inclined guide surface and the horizontal plane satisfies: theta is more than 5 degrees and less than 30 degrees.
  3. A dust extraction guide structure according to claim 2, wherein the angle θ between the inclined guide surface and the horizontal plane satisfies: theta is more than 10 degrees and less than 20 degrees.
  4. A suction guide arrangement according to claim 1, wherein the leading or trailing edge of the air duct suction opening abuts the trailing end of the inclined guide surface.
  5. A dust extraction guide structure according to claim 1, further comprising at least one channel formed in a surface of the bottom of said housing, each of said channels communicating with said air duct suction opening to form a dust extraction air duct for extracting dust into said air duct suction opening.
  6. A dust extraction guide structure according to claim 1, wherein one end of each of said channels is connected to said air duct suction opening and the other end of each of said channels is connected to the edge of the base of said housing in smooth transition.
  7. A dust extraction guide according to claim 5 or 6 wherein each said channel is provided on said inclined guide surface.
  8. A suction guide structure according to claim 5 or 6, wherein said grooves provided on the surface of the bottom of said housing include first and second grooves which are provided on either side of said air duct suction opening, respectively, and the front or rear edges of said first and second grooves abut the rear ends of said inclined guide surfaces, respectively.
  9. The dust suction guide structure according to claim 8, wherein said grooves provided on the surface of the bottom of said housing further comprise a third groove, a front end of said third groove being smoothly transitionally connected to a front end of the bottom of said housing, and a rear end of said third groove being connected to said air duct suction opening.
  10. A dust suction guide structure according to claim 9, wherein the inclined guide surface comprises a first inclined guide surface and a second inclined guide surface which are connected in a front-rear transition manner, and an included angle between the first inclined guide surface and a horizontal plane is larger than an included angle between the second inclined guide surface and the horizontal plane.
  11. The dust suction guide structure according to claim 10, wherein said third groove is provided on said second inclined guide surface, a front end of said third groove is smoothly transitionally connected to a rear end of said first inclined guide surface, and a rear end of said third groove is connected to said air duct suction port.
  12. The dust suction guide structure according to any one of claims 1 to 9, wherein the inclined guide surface itself is a curved surface, and an angle θ between the inclined guide surface and a horizontal plane is gradually reduced from a front end to a rear end of the inclined guide surface.
  13. The dust collection guide structure of claim 11, wherein the second inclined guide surface is further provided with a first cleaning brush and a second cleaning brush, and the first cleaning brush and the second cleaning brush are respectively and correspondingly arranged in front of the first groove and the second groove and are arranged on two sides of the third groove.
  14. A dust extraction guide structure according to claim 13, wherein the first cleaning brush is disposed parallel to the first channel and the second cleaning brush is disposed parallel to the second channel.
  15. A dust extraction guide structure according to claim 13, wherein the first cleaning brush and the second cleaning brush each move back and forth in their own axial directions.
  16. A dust extraction guide structure according to claim 13, wherein the first and second brushes each move back and forth in a direction perpendicular to their own axes.
  17. A dust extraction guide structure according to claim 13, wherein the first and second brushes each oscillate back and forth about their own axes.
  18. A dust extraction guide structure according to claim 17, wherein the first cleaning brush and the second cleaning brush are each swingable about their own axes to and fro through a range of 120 °.
  19. A dust extraction guide structure according to claim 13, wherein the first and second brushes each rotate 360 ° about their own axis.
  20. A cleaning guide structure according to claim 13 wherein the first cleaning brush and the second cleaning brush each comprise at least one row of bristles, each row of bristles comprising a plurality of bristle tufts.
  21. The cleaning guide structure of claim 20, wherein each row of said bristles extends beyond the surface of the bottom of said housing for close proximity to the floor; the upper surfaces of the bristles of each row are in the same horizontal plane to be flush with the ground.
  22. A suction guide arrangement according to claim 5 or 6, wherein the said one or more channels provided in the surface of the base of the housing comprise one, and the said one or more channels are provided between the front end of the surface of the base of the housing and the suction opening of the air duct.
  23. A suction guide arrangement according to claim 5 or 6, wherein the number of said grooves provided in the surface of the base of said housing includes two, said two grooves being provided on either side of said air duct suction opening.
  24. A dust extraction guide according to claim 23 wherein the two channels are integrally rectilinear, splayed or inverted splayed.
  25. The dust suction guide structure according to claim 5 or 6, wherein the groove provided on the surface of the bottom of the housing includes a plurality of grooves satisfying:
    the grooves are radially arranged at the front end of the surface of the bottom of the shell;
    the grooves are arranged in parallel at the front end of the surface of the bottom of the shell;
    the plurality of grooves are arranged on two sides of the air duct suction opening in parallel; or the like, or, alternatively,
    the grooves are radially arranged on two sides of the air duct suction port.
  26. A suction guide arrangement according to claim 5 or 6, wherein the air duct suction opening is circular, elliptical, triangular, quadrilateral or irregular polygonal; or the air duct suction opening is approximately elliptical with a rectangular middle and semicircular sides. .
  27. A suction guide arrangement according to claim 5 or 6, wherein the air duct suction opening is polygonal and one end of each said groove is connected to a respective one of the sides of the air duct suction opening.
  28. The dust suction guide structure according to claim 27, wherein said two or more grooves are formed in the surface of the bottom of said housing, said air duct suction opening is shaped to fit said grooves, and at least two sides of said air duct suction opening are respectively connected to one end of one of said grooves.
  29. The suction guide structure according to claim 28, wherein the air duct suction opening has a rectangular shape, and the grooves provided on the surface of the bottom of the housing include a first groove and a second groove, one end of the first groove and one end of the second groove being connected to the left and right short sides of the air duct suction opening, respectively.
  30. A suction guide arrangement according to claim 29, wherein one end of the first and second channels is of the same length as the left and right short sides of the air duct suction opening.
  31. A dust extraction guide structure according to claim 29 wherein the channels provided in the surface of the base of the housing further comprise a third channel, the front end of the third channel being in smooth transition with the edge of the front end of the base of the housing and the rear end of the third channel being in contact with the front edge of the air duct suction opening.
  32. A suction guide arrangement according to claim 31, wherein the width of the rear end of the third groove is less than or equal to the front edge of the air duct suction opening.
  33. A suction guide arrangement according to claim 6, wherein the depth of each of said channels increases progressively from the end remote from the air duct suction opening to the other end connected to the air duct suction opening.
  34. A dust extraction guide structure according to claim 1, wherein the air duct suction opening is located on the central axis of the base of the housing, and the air duct suction opening is spaced from the front end of the base of the housing by a distance less than the air duct suction opening is spaced from the rear end of the base of the housing.
  35. A suction guide arrangement according to claim 5 or 6, wherein each of said channels, said air duct suction opening and said inclined guide surface are integrally formed.
  36. A dust extraction guide structure according to claim 1, further comprising a baffle plate located rearwardly of the air duct suction opening.
  37. A dust suction guide structure according to claim 23, further comprising a baffle plate including a center baffle plate and left and right baffle plates connected to left and right sides of said center baffle plate, said center baffle plate being provided behind said air duct suction opening, said left and right baffle plates being provided behind said two grooves, respectively.
  38. A suction guide arrangement according to claim 1, further comprising at least one cleaning brush provided on the base of the housing and separately and independently from the air duct suction opening.
  39. A cleaning guide arrangement according to claim 38, wherein each of said cleaning brushes is adapted to move in a reciprocating cycle generally towards and away from said air duct suction opening when driven.
  40. A cleaning guide arrangement according to claim 39, wherein each of said cleaning brushes is adapted to move in a reciprocating cycle generally between said air duct suction opening and the rim of the housing base when driven.
  41. A dust extraction guide according to claim 5 or 6, further comprising at least one wiper disposed on the base of the housing and separately from the air duct suction opening, the wiper being co-operable with the channel to facilitate the extraction of dust from the channel into the air duct suction opening.
  42. A dust extraction guide structure according to claim 41, wherein said grooves provided in the surface of the bottom of said housing include first and second grooves provided on either side of said air duct suction opening, respectively, and the cleaning brushes provided in the bottom of said housing include first and second cleaning brushes provided in front of said first and second grooves, respectively.
  43. A dust extraction guide structure according to claim 42 wherein the first cleaning brush is disposed parallel to the first channel and the second cleaning brush is disposed parallel to the second channel.
  44. The dust suction guide structure according to claim 42, wherein the first and second grooves respectively include a plurality of sub-grooves arranged in parallel, the first and second cleaning brushes respectively include a plurality of dust-raising sub-brushes arranged in parallel, and the plurality of sub-grooves and the plurality of dust-raising sub-brushes are arranged alternately.
  45. A dust extraction guide structure according to claim 42, wherein the first and second channels are formed in a generally rectilinear, splayed or inverted splayed configuration.
  46. A suction guide arrangement according to claim 41, wherein the channel is provided between a forward end of the surface of the base of the housing and the air duct suction opening; the cleaning brush is arranged in parallel with the groove.
  47. A suction guide arrangement according to claim 46, wherein the or each said channel comprises at least two, at least two of said channels being disposed parallel to one another between the forward end of the surface of the base of the housing and the air duct suction opening; the cleaning brush comprises at least one cleaning brush and is arranged at intervals with the groove.
  48. The dust extraction guide structure of claim 41, wherein said channel comprises a plurality of channels, said plurality of channels being disposed radially forward of the surface of said housing base; the cleaning brush comprises a plurality of cleaning brushes and is arranged at intervals with the groove.
  49. A dust extraction guide according to claim 41 wherein each brush is movable to and fro along its own axis.
  50. A dust extraction guide according to claim 41 wherein each brush is movable to and fro in a direction transverse to its axis.
  51. A cleaning guide arrangement according to claim 41, wherein each cleaning brush oscillates about its own axis.
  52. A dust extraction guide structure according to claim 51 wherein the range of pivotal movement of each brush about its own axis is 120 °.
  53. A cleaning guide arrangement according to claim 41, wherein each cleaning brush is rotatable through 360 ° about its own axis.
  54. A dust extraction guide according to claim 41, wherein each brush comprises a fixed mount on the base of the housing, a movable support on the fixed mount and bristles on the movable support, the movable support being driven by the drive means to move relative to the fixed mount.
  55. A dust extraction guide according to claim 54, wherein the movable carriage is driven by the drive means to move relative to the fixed carriage:
    moving back and forth along the self axis direction; or the like, or, alternatively,
    moving back and forth along the direction perpendicular to the self axis.
  56. A dust extraction guide according to claim 54, wherein the movable carriage is further driven by the drive means to move relative to the fixed carriage:
    swinging back and forth around the axis of the self body within the swinging range of 120 degrees; or
    Rotating 360 degrees around the axis of the self-body.
  57. A dust extraction guide according to claim 55 or 56 wherein the movable support is further adapted to be driven by the drive means to be movable in an up and down movement away from or towards a horizontal plane in which the mounting base is located.
  58. The guiding structure for dust collection of claim 54, wherein the fixing base comprises a body, the body is provided with a receiving slot, the movable support comprises a movable body for setting the brush hairs, the bottom of the movable body is provided with a driven portion, the driven portion extends out of the receiving slot and drives the movable body to reciprocate in the receiving slot under the action of the driving part.
  59. The dust collection guide structure of claim 58, wherein the driving member comprises a motor and a linkage member driven by the motor, and the linkage member is connected with the driven portion in a matching manner.
  60. A dust extraction guide structure according to claim 59, wherein the motor is a brushed or brushless DC motor; the linkage piece is an eccentric shaft.
  61. The dust extraction guide structure of claim 58, wherein the movable body reciprocates in the longitudinal direction of the housing groove; the length of the movable body is smaller than that of the accommodating groove; the movable body comprises an upper part for arranging bristles and a lower part connected with the upper part, and the driven part is arranged on the bottom surface of the lower part; the longitudinal section of the movable body along the width direction of the movable body is in a convex shape; the width of the upper part is smaller than that of the containing groove so as to be contained in the containing groove, and the width of the lower part is larger than that of the containing groove.
  62. The dust extraction guide structure of claim 58, wherein the movable body reciprocates in the width direction of the housing groove; the width of the movable body is smaller than that of the accommodating groove; the movable body comprises an upper part for arranging bristles and a lower part connected with the upper part, and the driven part is arranged on the bottom surface of the lower part; the longitudinal section of the movable body along the length direction of the movable body is in a convex shape; the length of the upper part is smaller than that of the containing groove so as to be contained in the containing groove, and the length of the lower part is larger than that of the containing groove.
  63. A cleaning guide according to claim 54 wherein the bristles are formed from an array of plural tufts of bristles.
  64. The dust extraction guide structure of claim 54, wherein the plurality of movable brackets provided on each of the fixed base; and/or the bristles arranged on each movable support comprise a plurality of rows.
  65. The cleaning guide structure of claim 63, wherein each row of said bristles extends above the surface of the bottom of said housing for close proximity to the floor.
  66. A dust extraction guide according to claim 65, wherein the upper surfaces of the bristles of each row are at the same level so as to be flush with the floor.
  67. A cleaning guide structure according to claim 63 wherein each of said bristle tufts is rotatable 360 ° about its own centre.
  68. The dust suction guide structure according to claim 1, wherein the bottom of the housing is in a disk-like shape having a front end edge which is a straight line segment.
  69. A dust extraction guide structure according to claim 1, further comprising an edge brush provided on at least one corner of the front end of the bottom of the housing, the edge brush being rotated by the drive means.
  70. A dust suction mechanism, characterized by comprising the dust suction guiding structure as claimed in any one of claims 1 to 69, and further comprising a dust collection box and a fan which are arranged in the housing, wherein the air duct suction opening, the dust collection box and the fan are communicated in sequence.
  71. The mechanism of claim 70, wherein the fan includes a first fan and a second fan, the first fan and the second fan communicating with the dust collection box through a suction guide member; the induced draft guide part comprises a first induced draft channel and a second induced draft channel which are mutually independent, the first fan is communicated with the first induced draft channel, and the second fan is communicated with the second induced draft channel.
  72. A sweeping robot comprising a suction mechanism as claimed in claim 69 or 70.
CN201880088671.4A 2018-08-21 2018-08-21 Dust absorption guide structure, dust absorption mechanism and robot of sweeping floor Active CN111712169B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/101602 WO2020037516A1 (en) 2018-08-21 2018-08-21 Dust collection guiding structure, dust collecting mechanism, and cleaning robot

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CN113498998A (en) * 2021-06-17 2021-10-15 科沃斯机器人股份有限公司 Self-moving equipment and cleaning assembly

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