WO2020037518A1

WO2020037518A1 - Cleaning brush, cleaning mechanism, and cleaning robot

Info

Publication number: WO2020037518A1
Application number: PCT/CN2018/101604
Authority: WO
Inventors: 李北辰
Original assignee: 广州艾若博机器人科技有限公司
Priority date: 2018-08-21
Filing date: 2018-08-21
Publication date: 2020-02-27
Also published as: CN111683577B; CN111683577A

Abstract

A cleaning brush (15), comprising a fixed base (91), a movable support (92) provided on the fixed base (91), and a bristle (93) and a driving component (94) provided on the movable support (92). The movable support (92) is driven by the driving component (94) to reciprocate relative to the fixed base (91) along a direction vertical to the axis of the movable support, thereby driving the bristle (93) to perform cleaning in the process of reciprocating along the direction vertical to the axis of the movable support. Also disclosed is a cleaning mechanism. The cleaning mechanism comprises an air channel suction opening (12) provided on the bottom (11) of a housing (1), and at least one cleaning brush (15) that is provided on the bottom (11) of the housing (1) and is separated from the air channel suction opening (12) and independently provided. Each cleaning brush (15) uses the aforementioned structure. Also provided is a cleaning robot. By means of the aforementioned structure, the present invention can effectively solve the problem in the prior art of blocking dust suction due to winding caused by a main rolling brush provided in the air channel suction opening (12), and effectively improves the efficiency and effect of collecting dust.

Description

Cleaning brush, cleaning mechanism and cleaning robot

Technical field

The invention relates to the field of intelligent robots, in particular to a cleaning brush, a cleaning mechanism and a cleaning robot.

Background technique

Sweeping robots, also known as cleaning robots, smart vacuuming robots, robotic vacuum cleaners, etc., are a type of smart home appliance that can automatically finish floor cleaning in the room by virtue of certain artificial intelligence. Generally, brush sweeping and vacuum methods are used to absorb the ground debris into its own garbage storage box to complete the function of floor cleaning. Generally speaking, robots that perform cleaning, vacuuming, and floor cleaning work are also collectively classified as cleaning robots.

At present, the structure commonly used in cleaning robots is shown in FIG. 1 and includes a robot body 100 including a surface shell 101, a bottom shell 102, and a face cover (not shown). bottom. The front end of the bottom case 102 is provided with a universal wheel 104, and left and

right driving wheels

105 and 106 are provided on both sides of the middle of the bottom case 102, wherein the universal wheel 104, the left driving wheel 105, and the right driving wheel 106 are respectively A motor is connected (not shown). An air suction port 107 is provided between the left driving wheel 105 and the right driving wheel 106, and a main brush 108 is provided in the air suction port 107. The main brush 108 is a roller brush, and the roller brush 108 and a roller brush motor (not shown in the figure) (Shown) transmission connection, the roller brush 108 is driven to rotate by the roller brush motor. The roller brush 108 includes a brush shaft 1081 and bristles 1082 protruding outward from an outer wall surface of the brush shaft 1081. The brush shaft 1081 of the roller brush 108 is driven by the roller brush motor, and the bristles 1082 sweep the ground to raise dust during the rotation of the brush shaft 1081. The robot body 100 is provided with a dust collecting box (not shown) in communication with the air inlet 107 and a dust collecting fan in communication with the dust collecting box. Under the action of the dust suction fan, the dust raised by the roller brush 108 is sucked into the dust collection box through the air suction port 107.

A left brush 1091 and a right brush 1092 are provided in front of the left driving wheel 105 and the right driving wheel 106, respectively. The left brush 1091 and the right brush 1092 are set as three-

leaf brush handles

10911 and 10921, and

bristles

10912 and 10922 are installed on the brush handle. The left brush 1091 and the right brush 1092 are respectively connected to the side brush motor. The left brush 1091 and the right brush 1092 are driven by the side brush motor to rotate the

brush handles

10911 and 10921 about their central axis 360 °, thereby driving the bristles 10912. 10922 rotates to clean the ground dust and suck it into the dust box through the air inlet 107.

The inventor found that during the implementation of the present invention, the prior art has at least the following technical disadvantages:

A rolling main brush is set in the air suction port for cleaning. The rolling main brush is easy to entangle the hair on the ground during the rotation. Long-term use will block the air inlet due to hair entanglement, which affects the suction and cleaning effect and affects the normal use of the sweeper. It will also jam the main brush and shorten the life of the sweeper. The hair on the main scroll brush needs to be manually cleaned regularly, and the trouble of cleaning brings inconvenience to the user.

Summary of the Invention

The purpose of the embodiments of the present invention is to provide a cleaning brush, a cleaning mechanism, and a cleaning robot, which can effectively solve the problems of clogging dust and the like caused by the winding of the rolling main brush in the air duct suction port in the prior art, and effectively improve Efficiency and effectiveness of inhaling dust.

To achieve the above object, an embodiment of the present invention provides a cleaning brush, which includes a fixed base, a movable support provided on the fixed base, bristles provided on the movable support, and a driving member, and the movable support is driven. The component drive reciprocates in a direction perpendicular to its own axis with respect to the fixed seat, thereby driving the bristles to clean during the reciprocating movement in a direction perpendicular to its own axis.

As an improvement of the above solution, the fixed seat includes a limiting body, the limiting body is provided with a receiving groove, the movable bracket includes a movable body for setting the bristles, and a movable portion is provided at the bottom of the movable body. The driven part protrudes from the receiving slot, and drives the movable body to reciprocate within a width direction of the receiving slot under the action of the driving member.

As an improvement of the foregoing solution, the driving component includes a motor and a linking member driven by the motor, and the linking member is matched and connected with the driven portion.

As an improvement of the foregoing solution, the motor is a brushed DC motor or a brushless DC motor; and the linkage is an eccentric shaft.

As an improvement of the above solution, the movable body is reciprocated in a width direction of the receiving groove; the width of the movable body is smaller than the width of the receiving groove; the movable body includes an upper portion for setting bristles and a The lower part connected to the upper part, the driven part is provided on the bottom surface of the lower part; the longitudinal section of the movable body along its own length direction is convex; the length of the upper part is smaller than the length of the receiving slot for receiving In the receiving groove, the length of the lower portion is greater than the length of the receiving groove.

As an improvement of the foregoing solution, the fixing base further includes a bottom shell, and the limiting body is fixed inside the bottom shell through a connecting member to prevent the movable body from being detached from the limiting body; the bottom shell A slot is provided at the bottom of the to extend the driven portion.

As an improvement of the above solution, the movable support can also perform the following movements relative to the fixed base by being driven by a driving component: swing back and forth around its own axis, and the swing range is 120 °.

As an improvement of the above solution, the movable support can also perform the following movements relative to the fixed seat by being driven by a driving component: 360 ° rotation around its own axis.

As an improvement to the above solution, the movable support can be driven by a driving component to perform a lifting movement away from or close to a horizontal plane where the fixed seat is located.

As an improvement to the above solution, the bristles are mainly composed of a plurality of tufts of tufts of bristles.

As an improvement of the foregoing solution, a plurality of movable brackets provided on each of the fixed bases; and / or a plurality of rows of bristles provided on each of the movable supports.

As an improvement of the above solution, each row of the bristles protrudes from the surface of the bottom of the casing to be close to the ground.

As an improvement to the above solution, the upper surfaces of the bristles in each row are at the same horizontal plane to be flush with the ground.

As an improvement of the above solution, each of the bristle bundles is driven to rotate 360 ° around its own center when driven.

As an improvement of the above solution, a plurality of the bristle bundles are arranged in a straight line, a wave shape, or an arc shape as a whole.

An embodiment of the present invention further provides a cleaning mechanism, which includes an air duct suction port provided on the bottom of the housing and at least one provided on the bottom of the shell and provided separately from the air duct suction as described in any of the above embodiments. Cleaning brush.

As an improvement of the above scheme, each of the cleaning brushes is moved back and forth in a cycle to and from the air duct suction port as a whole when being driven.

As an improvement of the above scheme, each of the cleaning brushes is reciprocated in a circular motion between the air duct suction port and the edge of the bottom of the casing when driven.

As an improvement of the above solution, it further includes at least one groove provided on a surface of the bottom of the housing, and each of the grooves communicates with the air duct suction port to constitute a guide for dust into the air duct suction port. The dust is directed to the air duct.

As an improvement to the foregoing solution, one end of each of the grooves is connected to the air duct suction port, and the other end of each of the grooves is smoothly connected to the edge of the bottom of the casing.

As an improvement of the foregoing solution, the groove provided on the surface of the bottom of the housing includes a plurality of grooves, which satisfy:

A plurality of the grooves at the bottom of the casing are arranged in parallel at the front end of the surface of the bottom of the casing; or,

A plurality of the grooves are arranged in parallel on both sides of the air duct suction port.

As an improvement to the foregoing solution, the cleaning brush includes a plurality of cleaning brushes and a plurality of the grooves are matched and arranged to facilitate guiding the raised dust into the air channel suction port through the grooves.

As an improvement of the foregoing solution, a plurality of the cleaning brushes are disposed alternately with a plurality of the grooves.

As an improvement of the above solution, a plurality of the cleaning brushes are disposed in parallel with a plurality of the grooves.

As an improvement of the above scheme, the cleaning brush is matched with the groove to facilitate guiding raised dust into the air channel suction port through the groove.

As an improvement of the above solution, the groove provided on the surface of the bottom of the housing includes a first groove and a second groove provided on both sides of the air duct suction port, respectively. The cleaning brush includes a first cleaning brush and a second cleaning brush respectively provided in front of the first groove and the second groove.

As an improvement of the above solution, the first cleaning brush is disposed in parallel with the first groove, and the second cleaning brush is disposed in parallel with the second groove.

As an improvement to the above solution, the first groove and the second groove respectively include a plurality of sub-grooves arranged in parallel, and the first cleaning brush and the second cleaning brush respectively include a plurality of dust-raising brushes arranged in parallel, and A plurality of the sub-grooves and a plurality of the duster brushes are arranged alternately.

As an improvement to the foregoing solution, the first groove and the second groove are integrally formed in a straight or splayed or inverted splayed shape.

As an improvement of the foregoing solution, the groove is provided between a front end of a surface of the bottom of the housing and the air duct suction port; the cleaning brush is provided in parallel with the groove.

As an improvement of the foregoing solution, the groove includes at least two, and at least two of the grooves are provided parallel to each other between a front end of a surface of the bottom of the housing and the air duct suction port; the cleaning brush includes at least one And are arranged alternately with the groove.

As an improvement of the above solution, a cleaning brush provided on the bottom of the casing and separately provided from the air duct suction port includes one, and the cleaning brush is disposed between a front end of the bottom of the casing and the air duct suction port. .

As an improvement of the foregoing solution, the bristles provided on the cleaning brush are linear, wavy, or arc-shaped as a whole.

As an improvement of the foregoing solution, the cleaning brushes provided on the bottom of the housing and separated from the air duct suction mouth include two, and the two cleaning brushes are respectively disposed on both sides of the air duct suction mouth or separately provided. Between the front end of the bottom of the casing and the air duct suction port.

As an improvement of the above solution, the two cleaning brushes are integrally formed into a straight or figure-eight or inverted figure-eight.

As an improvement of the above solution, a plurality of cleaning brushes provided on the bottom of the housing and separately provided from the air duct suction mouth include a plurality of cleaning brushes, and the plurality of cleaning brushes are integrally provided at the front end of the bottom of the housing and the Between air intakes.

As an improvement of the foregoing solution, the cleaning mechanism further includes a side brush respectively disposed on at least a corner of a front end of the bottom of the housing, and each of the side brushes performs a rotary motion when driven by a driving device.

As an improvement of the foregoing solution, the side brush includes two, which are respectively disposed at left and right corners of the front end of the bottom of the casing.

As an improvement to the foregoing solution, each of the side brushes is a multi-leaf rotating side brush.

As an improvement to the above solution, each of the side brushes is a three-leaf rotating side brush.

As an improvement of the above solution, each of the side brushes is arranged so that the bristles do not interfere with the cleaning brush during the movement.

As an improvement of the foregoing solution, the air duct suction port is circular, oval, triangular, quadrangular, or irregular polygon; or, the air duct suction port is an approximately elliptical shape with semicircles on both sides of the middle rectangle. .

As an improvement to the foregoing solution, the air duct suction port is polygonal, and one end of each of the grooves is correspondingly connected to one side of the air duct suction port.

As an improvement of the foregoing solution, the grooves provided on the surface of the bottom of the housing are two or more, the shape of the air duct suction opening is matched with the groove, and at least two sides of the air duct suction opening are provided. One end of each of the grooves is correspondingly connected.

As an improvement of the above solution, the air duct suction mouth is rectangular, and the groove provided on the surface of the bottom of the housing includes a first groove and a second groove, and the first groove and the second groove One end is connected to the left and right short sides of the air duct suction port, respectively.

As an improvement of the foregoing solution, a width of one end of the first groove and the second groove is the same as the left and right short sides of the air duct suction port.

As an improvement of the foregoing solution, the groove provided on the surface of the bottom of the housing further includes a third groove, and the front end of the third groove is smoothly connected to the front edge of the bottom of the housing. The rear end of the groove is connected to the front edge of the air duct suction port.

As an improvement of the foregoing solution, a width of a rear end of the third groove is smaller than or equal to a front edge of the air duct suction opening.

As an improvement of the foregoing solution, the depth of each of the grooves gradually increases from one end remote from the air duct suction port to the other end connected to the air duct suction port.

As an improvement of the above solution, the air duct suction port is provided on a central axis of the bottom of the housing, and the distance between the air duct suction port and the front end of the housing bottom is smaller than the rear of the air duct suction port from the bottom of the housing. End distance.

As an improvement of the foregoing solution, the front end of the bottom of the casing is provided with an inclined guide surface, and an angle θ between the inclined guide surface and a horizontal plane satisfies: 0 ° <θ <45 °.

As an improvement of the foregoing solution, an included angle θ between the inclined guide surface and a horizontal plane satisfies: 5 ° <θ <30 °.

As an improvement of the foregoing solution, an included angle θ between the inclined guide surface and a horizontal plane satisfies: 10 ° <θ <20 °.

As an improvement of the foregoing solution, a front side or a rear side of the air duct suction port is adjacent to a rear end of the inclined guide surface.

As an improvement of the above solution, each of the cleaning brushes is provided on the inclined guide surface.

As an improvement of the above solution, the cleaning brush provided on the inclined guide surface includes a first cleaning brush and a second cleaning brush, and the first cleaning brush and the second cleaning brush are respectively provided on the air duct suction port. Front ends on both sides.

As an improvement of the above solution, the inclined guide surface is further provided with at least one groove, and each of the grooves communicates with the air duct suction port to form a dust guide air duct that guides dust into the air duct suction port. .

As an improvement to the foregoing solution, the groove includes a first groove and a second groove respectively provided on both sides of the air duct suction mouth, and the front or rear sides of the first groove and the second groove are corresponding to The rear ends of the inclined guide surfaces abut.

As an improvement of the foregoing solution, the groove further includes a third groove, and a front end of the third groove is smoothly connected to a front end of the bottom of the housing, and a rear end of the third groove is connected to the air duct. The suction port is connected; the first cleaning brush and the second cleaning brush are respectively located in front of the first groove and the second groove, and are disposed on both sides of the third groove.

As an improvement of the foregoing solution, the inclined guide surface includes a first inclined guide surface and a second inclined guide surface that are connected in a forward-backward transition, and an angle between the first inclined guide surface and a horizontal plane is greater than the second inclined guide surface. Angle with the horizontal plane.

As an improvement of the foregoing solution, the third groove is provided on the second inclined guide surface, a front end of the third groove is smoothly connected to a rear end of the first inclined guide surface, and the third The rear end of the groove is connected to the air duct suction port.

As an improvement of the above solution, the inclined guide surface itself is a curved surface, and an angle θ between the inclined guide surface and a horizontal plane gradually decreases from a front end to a rear end of the inclined guide surface.

As an improvement of the foregoing solution, each of the grooves is integrally formed with the air channel suction port.

As an improvement of the foregoing solution, a baffle plate provided behind the air duct suction port is further included.

As an improvement of the above solution, a baffle is further included. The baffle includes a middle baffle, and left and right baffles connected to the left and right sides of the middle baffle. The middle baffle is provided in the air duct. At the rear side of the suction port, the left baffle plate and the right baffle plate are respectively provided at the rear sides of the grooves connecting the two sides of the air channel suction port.

As an improvement of the above solution, the bottom of the casing is a disc-like type whose front edge is a straight segment.

As an improvement of the above solution, the method further includes a dust collecting box and a fan provided inside the casing, and the air duct suction port, the dust collecting box, and the fan are communicated in sequence.

As an improvement of the above solution, the fan includes a first fan and a second fan, and the first fan and the second fan communicate with the dust collection box through an air suction guide member; the air suction guide members include mutually independent A first suction channel and a second suction channel, the first fan is in communication with the first suction channel, and the second fan is in communication with the second suction channel.

An embodiment of the present invention also provides a cleaning robot, which includes the cleaning mechanism according to any one of the above solutions.

Compared with the prior art, the embodiments of the present invention have at least the following technical effects:

(1) At least one cleaning brush, which is separated and separated from the air duct suction port, is provided at the bottom of the housing to reciprocate in a direction perpendicular to its axis to clean up the raised dust, which can more effectively improve the dust collection efficiency. In addition, a cleaning brush provided separately from the air inlet is used instead of the rolling main brush provided in the air inlet, which can effectively avoid problems such as entanglement caused by the rolling main brush blocking the dust inlet and affecting the cleaning effect of the dust box.

(2) A groove matching the cleaning brush is provided at the bottom of the housing, and each of the grooves communicates with the air duct suction port to form a dust guiding air duct that guides dust into the air duct suction port, so that It is further beneficial to guide the dust raised by the cleaning brush into the air duct suction port, thereby improving the efficiency of sucking dust.

(3) The cleaning brush provided at the bottom of the housing is moved back and forth to and from the air duct suction port as a whole to perform cleaning when driven, which is beneficial to sucking the dust raised by the cleaning into the air duct suction port during the movement. , To improve the cleaning effect and vacuuming effect.

(4) The sweeping brush provided on the bottom of the casing is reciprocated and circulated between the air duct suction mouth and the edge of the bottom of the casing as a whole when being driven, and the dust of the center and edges of the sweeper is cleaned during the moving process That is to say, the cleaning brush provided by the embodiment of the present invention can simultaneously function as the main brush and the side brush during the movement process, which can not only increase the cleaning range of the cleaning robot, but also reduce costs, and it is not necessary to separately set the main brush and the side brush And the corresponding driver, the cost is lower.

(5) At least one cleaning brush provided separately from the air duct suction mouth near the center of the bottom of the casing is used to clean up the raised dust, and a rotating edge is provided on at least one corner (preferably left and right corners) of the front end of the casing bottom. The brush can effectively avoid problems such as blocking the suction port due to the entanglement of the rolling main brush provided on the air suction port and affecting the cleaning effect of the dust box. It can also effectively clean the center and edges of the sweeper. The cleaning effect is particularly ideal, which is very effective in improving the cleaning efficiency and effect.

(6) A mobile cleaning brush acting as a revolving circulating brush between the suction duct of the air duct and the edge of the bottom of the housing as a whole is used to clean the area around the cleaning robot, which can effectively solve the existing rotating brush Hair entanglement and slippage of the drive wheels.

(7) By providing an inclined guide surface between the air duct suction port and the front edge of the bottom of the housing, it can not only achieve the obstacle-crossing function, but also be more conducive to guide and suck the dust at the front end of the cleaning robot into the air duct suction port, and improve the dust suction effectiveness.

(8) By setting the inclined guide surface between the air duct suction port and the front end edge of the bottom of the casing as a first inclined guide surface and a second inclined guide surface that are connected in a forward-backward transition, and a clamp between the first inclined guide surface and a horizontal plane The angle is larger than the included angle between the second inclined guide surface and the horizontal plane. In this way, the included angle between the first inclined guide surface and the horizontal plane is great for improving the obstacle crossing function, and the included angle between the second inclined guide surface closer to the air duct suction port and the horizontal plane is smaller, so that the closer the suction port is to the air duct suction, the more Larger, more conducive to inhaling dust.

(9) By setting the inclined guide surface between the air duct suction port and the front edge of the bottom of the housing as a curved surface, and the angle θ between the inclined guide surface and the horizontal plane is gradually from the front to the rear of the inclined guide surface cut back. In this way, the angle θ between the inclined guide surface near the front edge of the bottom of the housing and the horizontal plane is larger, which is beneficial to improving the obstacle crossing function, and the angle θ between the inclined guide surface near the air suction port and the horizontal plane is smaller, so that The closer to the air inlet, the greater the suction power, which is more conducive to sucking dust.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic structural diagram of a cleaning robot used in the prior art.

2A to 2D are schematic structural diagrams of a cleaning robot and a cleaning mechanism thereof provided in Embodiment 1 of the present invention.

FIG. 2E shows embodiments of various optional shapes of the air duct suction port of the cleaning mechanism according to the first embodiment of the present invention.

3A to 3C are schematic structural diagrams of a cleaning mechanism provided in Embodiment 2 of the present invention.

FIG. 3D to FIG. 3E are schematic structural diagrams of an alternative embodiment of a cleaning brush movement mode and corresponding structure of a cleaning mechanism provided in Embodiment 2 of the present invention.

4A to 4F are structural diagrams of a preferred embodiment of a cleaning brush of a cleaning mechanism provided in Embodiment 2 of the present invention.

FIG. 5 is a schematic diagram of a preferred embodiment of an inclined guide surface of a cleaning mechanism provided in Embodiment 2 of the present invention.

FIG. 6 is a schematic diagram of another preferred embodiment of the inclined guide surface of the cleaning mechanism according to the second embodiment of the present invention.

7A to 7C are schematic structural diagrams of a cleaning mechanism provided in Embodiment 3 of the present invention.

FIG. 8 is a schematic diagram of another preferred structure of the cleaning mechanism provided by the third embodiment of the present invention.

9A-9B are schematic structural diagrams of a cleaning mechanism according to a fourth embodiment of the present invention.

10A-10B are schematic structural diagrams of a cleaning mechanism provided by Embodiment 5 of the present invention.

11 is a schematic structural diagram of a cleaning mechanism according to a sixth embodiment of the present invention.

FIG. 12 is another schematic structural diagram of a cleaning mechanism provided in Embodiment 6 of the present invention.

13 is a schematic structural diagram of a cleaning mechanism according to a seventh embodiment of the present invention.

14 is a schematic structural diagram of a cleaning mechanism according to an eighth embodiment of the present invention.

FIG. 15 is a schematic structural diagram of a cleaning mechanism provided in Embodiment 10 of the present invention.

16A to 16F are schematic structural diagrams of a cleaning robot and a cleaning mechanism thereof provided in Embodiment 11 of the present invention.

FIG. 17 is a schematic structural diagram of a cleaning mechanism provided in Embodiment 12 of the present invention.

18 is a schematic structural diagram of a cleaning mechanism according to a thirteenth embodiment of the present invention.

19 is a schematic structural diagram of a cleaning mechanism according to a fourteenth embodiment of the present invention.

20 is a schematic structural diagram of a cleaning mechanism according to a fifteenth embodiment of the present invention.

21 is a schematic structural diagram of a cleaning mechanism according to a sixteenth embodiment of the present invention.

22 is a schematic structural diagram of a cleaning mechanism according to a seventeenth embodiment of the present invention.

FIG. 23 is a schematic structural diagram of a cleaning mechanism according to an eighteenth embodiment of the present invention.

FIG. 24 is a schematic structural diagram of a cleaning mechanism provided in Embodiment 19 of the present invention.

FIG. 25 is a schematic structural diagram of a cleaning mechanism according to Embodiment 20 of the present invention.

FIG. 26 is a schematic structural diagram of a cleaning mechanism provided by Embodiment 21 of the present invention.

FIG. 27 is a schematic structural diagram of a cleaning mechanism provided in Embodiment 22 of the present invention.

FIG. 28 is a schematic structural diagram of a cleaning mechanism provided in Embodiment 23 of the present invention.

detailed description

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Rear "," left "," right "," vertical "," horizontal "," top "," bottom "," inside "," outside "," clockwise "," counterclockwise ", etc. or The positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, structure and operation in a specific orientation, Therefore, it cannot be understood as a limitation to the present invention.

In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as “first” and “second” may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "a plurality" is at least two, for example, two, three, etc., unless it is specifically and specifically defined otherwise.

In the present invention, the terms "installation", "connected", "connected", "fixed" and other terms shall be understood in a broad sense unless otherwise specified and defined, for example, they may be fixed connections or removable connections , Or integrated into one; it can be mechanical, electrical, or can communicate with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Example one

2A to 2D, an embodiment of the present invention provides a cleaning robot. The cleaning robot is provided with a cleaning mechanism. The cleaning mechanism includes an air duct suction port 12 provided on the bottom 11 of the housing 1 and at least one independently provided separately from the air duct suction port 12 on the bottom 11 of the housing 1. One sweeping brush 15, each said sweeping brush 15 moves back and forth when being driven to sweep and raise dust and paper dust on the ground.

The cleaning mechanism further includes a dust collecting box 2 and a fan 3 provided inside the casing 1, wherein the inlet 20 of the dust collecting box 2 is in communication with the air duct suction port 12 on the bottom of the casing 1, and the outlet of the dust collecting box 2 (Not shown) communicates with the 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 are in communication with the dust collecting box 2 through a suction guide member 33. The suction guide member 33 includes a first suction channel 331 and a second suction channel 332 which are independent of each other. The first fan 31 is in communication with the first suction channel 331, and the second fan 32 is in communication with all The second suction channel 332 is communicated. Wherein, the suction guide member 33 is provided with a partition 333 at the first suction passage 331 and the second suction passage 332 near the inlet 30 of the fan 3, so that the first suction passage 331 and the first The two suction channels 332 are separated to be independent from each other.

Wherein, the bottom portion 11 of the casing has a disc-like shape with a straight edge at the front end. Preferably, the air duct suction port 12 is disposed on a central axis of the casing bottom 11, and the distance between the air duct suction port 12 and the front end 111 of the casing bottom 11 is smaller than the distance between the air duct suction port 12 and the casing. The distance of the bottom rear end 112. It can be understood that, as shown in FIG. 2E, the shape of the air duct suction port 12 can be set to a circle 12a, an oval 12b, a triangle 12c, a quadrilateral 12d, or an irregular polygon 12e; or, the air duct suction port is The semi-circle on both sides of the middle rectangle is approximately elliptical 12f and so on.

Each of the cleaning brushes 15 is preferably disposed near the air duct suction port 12 and is reciprocated in a direction perpendicular to its own axis when driven, thereby driving the bristles to reciprocate in a direction perpendicular to its own axis. Cleaning during the process. Preselected, each of the cleaning brushes 15 is moved back and forth to and from the air duct suction port 12 when driven. More preferably, each of the cleaning brushes 15 is reciprocally moved between the air duct suction port 12 and the edge of the housing bottom 11 as a whole when being driven.

It can be seen that, in this embodiment, at least one cleaning brush 15 provided separately from the air duct suction port 12 at the bottom of the housing is reciprocated in a direction perpendicular to its axis when driven, thereby driving the bristles along the axis Cleaning in the vertical direction during the reciprocating movement to raise dust and paper scraps can improve the efficiency of dust collection. In addition, a cleaning brush 15 provided separately from the air inlet 12 is used instead of the rolling main brush provided in the air inlet, which can effectively avoid the problems caused by the rolling main brush from blocking the dust inlet and affecting the cleaning effect of the dust box. .

The cleaning robot disclosed in the embodiment of the present invention includes a cleaning mechanism. The cleaning mechanism works under the suction of the fan 3 inside the casing 1 and cooperates with the cleaning brush on the bottom of the casing 1 to pass at least one cleaning brush provided on the surface of the bottom of the casing. The raised dust and paper dust are sucked into the air duct suction port 12 and enters the dust collection box through the air duct suction port 12, thereby completing the function of floor cleaning.

In the following, the specific structures and corresponding working principles of the cleaning mechanism and the cleaning brush according to the embodiments of the present invention will be described in detail through multiple embodiments.

Example two

Referring to FIG. 3A to FIG. 3E, an embodiment of the present invention provides a cleaning mechanism. The cleaning mechanism includes an air duct suction port 12 provided on a bottom 11 of the housing 1 and a connection between the bottom 11 of the housing 1 and the above. The air duct suction port 12 separates a cleaning brush 15 which is independently provided, and the cleaning brush 15 is moved back and forth when being driven to clean and raise dust and paper dust on the ground.

Specifically, the cleaning brush 15 is disposed between the front end 111 of the bottom portion 11 of the casing and the air duct suction port 12. The cleaning brush 15 moves back and forth when driven, and mainly includes the following two implementation methods:

Method 1: When driven, make a reciprocating cyclic movement between the left and right edges, and the moving direction is shown by the arrow direction B2 shown in FIG. 3A;

Method 2: When driven, the air duct 12 and the edge of the housing bottom 11 are reciprocated and circulated. The moving direction is shown by the arrow direction B1 shown in FIG. 3E.

In specific implementation, the cleaning brush 15 is designed to move back and forth in a direction perpendicular to its own axis (directions of arrows B1 and B2 in the figure) when driven.

4A to 4F, another preferred structure of the cleaning brush 15 used in this embodiment is shown. The cleaning brush 15 shown in this embodiment can be moved back and forth in a direction perpendicular to its axis when driven. The cleaning brush includes a fixed base 91 provided on the bottom 11 of the housing, a movable support 92 provided on the fixed base 91, and bristles 93 provided on the movable support 92. The movable support 92 is driven by components. 94 is driven to move relative to the fixed seat 91. Specifically, the movable bracket 92 is driven by a driving component and can move back and forth along its own axis direction (shown by arrow B in FIG. 4A) relative to the fixed seat 91.

The fixing base 91 includes a limiting body 911. The limiting body 911 is provided with a receiving groove 910. The movable bracket 92 includes a movable body 921 for setting the bristles 93. A bottom of the movable body 921 is provided. A driven portion 922 is provided. The driven portion 922 protrudes from the receiving groove 910 and drives the movable body 921 to reciprocate in the receiving groove 910 under the action of the driving member 94. Wherein, the driving component 94 includes a motor 941 and a linking member 942 driven by the motor 941, and the linking member 942 is matched and connected with the driven portion 922. The motor 941 is preferably a brushed DC motor or a brushless DC motor, and the linkage member 942 is an eccentric shaft driven by a brushed DC motor or a brushless DC motor.

Specifically, the movable body 921 reciprocates in a width direction of the receiving 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 bristles 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. A longitudinal section of the movable body 921 along a length direction of the movable body 921 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 greater than the length of the receiving groove 910.

Preferably, the fixing base 91 of this embodiment further includes a bottom case 913, and the limiting body 911 is fixed to the inside of the bottom case 913 by a connecting member (such as a screw or the like) to prevent it from being received in the receiving groove 910. The movable body 921 inside is detached from the limiting body 911; the bottom of the bottom case 913 is provided with a slot 9130 to extend the driven portion 922. However, it can be understood that the cleaning brush of this embodiment may not be provided with the bottom case 913, as shown in FIG. 5F, which does not affect its implementation effect.

In specific implementation, a linkage (eccentric shaft) 942 is driven to rotate by a motor. During the rotation of the linkage (eccentric shaft) 942, due to the linkage (eccentric shaft) 942 and the bottom of the movable body 921 The driven part 922 is matched and connected, and a linkage (eccentric shaft) 942 drives the driven part 922 to move, thereby driving the movable body 921 to reciprocate in a width direction of the receiving groove 910.

Preferably, in this embodiment, the bristles 93 are mainly composed of a plurality of tufts of bristles. In addition, a plurality of movable brackets 92 provided on each of the fixed bases 91 may be included; and / or a plurality of rows of bristles provided on each of the movable brackets 92 may be included. The bristles 93 of each row protrude from the surface of the bottom portion 11 of the casing to be close to the ground. The upper surfaces of the bristles 93 in each row 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 member 94 (or other driving device) to make the following movements relative to the fixed seat:

Swing back and forth around its own length axis with a swing range of 120 °; or

Rotate 360 ° around its own length axis.

As the above-mentioned improvement scheme, by setting the cleaning brush to move back and forth in public motion, it can also perform a self-moving motion of 120 ° back and forth or 360 ° rotation around its own length axis, which can further improve the cleaning effect, thereby improving dust collection Effect and efficiency.

Preferably, in this embodiment, the movable bracket 92 is driven by a driving member 94 (or other driving device) and can perform a lifting movement away from or close to the horizontal plane where the fixed seat is located. As the above improvement scheme, by setting the cleaning brush as a floating brush, it is suitable for uneven ground, and can be adaptively raised and lowered according to different unevenness of the ground to clean the ground closely to the ground, thereby ensuring the cleaning effect.

It can be seen that, in the embodiment of the present invention, the cleaning brush 15 provided at the bottom of the housing is moved back and forth in a direction perpendicular to the axis of the entire body to perform cleaning when driven, which is conducive to sucking the dust raised by the cleaning into the air duct during the movement. In the suction mouth, the cleaning effect and the dust collecting effect are improved. Moreover, it is preferable to provide a sweeping brush as a whole to move back and forth between the air duct suction mouth and the edge of the bottom of the casing when driven, and use the sweeping brush to clean the center and edges of the sweeper during the movement, that is, The cleaning brush provided by the embodiment of the present invention can simultaneously function as the main brush and the side brush during the movement process, which can not only increase the cleaning range of the cleaning robot, but also reduce costs. There is no need to separately set the main brush and the side brush and corresponding driving. Cost is lower.

As a preferred solution, the rear side 122 of the air duct suction port 12 is provided with a baffle 120 protruding upward. The baffle 120 is provided on the rear side 122 of the air duct suction port 12, and can block raised dust and paper scraps to avoid dust. The paper dust spread behind the air duct suction port 12 and could not be sucked into the air duct suction port 12.

As a preferred solution, the front end of the bottom of the casing is provided with an inclined guide surface 14, and the front side 121 or the rear side 122 of the air duct suction port 12 is adjacent to the rear end of the inclined guide surface 14. The angle θ between the inclined guide surface and the horizontal plane satisfies: 0 ° <θ <45 °. Preferably, the angle θ between the inclined guide surface and the horizontal plane satisfies: 5 ° <θ <30 °. More preferably, the angle θ between the inclined guide surface and the horizontal plane satisfies: 10 ° <θ <20 °. The cleaning brush 15 is disposed on the inclined guide surface 14.

In this embodiment, an inclined guide surface 14 is provided between the air duct suction port 12 and the front edge of the bottom portion 11 of the housing. The inclined guide surface 14 can not only realize the obstacle-crossing function, but also facilitate the guidance of dust. The cleaning brush 15 further guides and sucks the dust raised from the front end of the cleaning robot into the air duct suction port 12 to improve the efficiency of sucking dust.

In a preferred embodiment, as shown in FIG. 5, the inclined guide surface 14 itself is a curved surface, and an angle θ between the inclined guide surface 14 and a horizontal plane gradually increases from a front end to a rear end of the inclined guide surface. cut back. In this embodiment, the inclined guide surface between the air duct suction mouth and the front edge of the bottom of the housing is set as a curved surface, and the angle θ between the inclined guide surface and the horizontal plane gradually increases from the front end to the rear end of the inclined guide surface. cut back. In this way, the angle θ between the inclined guide surface near the front edge of the bottom of the housing and the horizontal plane is larger, which is beneficial to improving the obstacle crossing function, and the angle θ between the inclined guide surface near the air suction port and the horizontal plane is smaller, so that The closer to the air inlet, the greater the suction power, which is more conducive to sucking dust.

In another preferred embodiment, as shown in FIG. 6, the inclined guide surface 14 includes a first inclined guide surface 141 and a second inclined guide surface 142 which are connected in a forward-backward manner. The included angle θ _{1 is} larger than the included angle θ ₂ between the second inclined guide surface 142 and a horizontal plane. In this embodiment, the inclined guide surface between the air duct suction port 12 and the front edge of the bottom portion 11 of the housing is set as a first inclined guide surface 141 and a second inclined guide surface 142 that are connected forward and backward, and the first inclined guide surface 141 and The angle θ ₁ between the horizontal planes is larger than the angle θ ₂ between the second inclined guide surface 142 and the horizontal plane. In this way, the included angle between the first inclined guide surface 141 and the horizontal plane is great for improving the obstacle crossing function, and the included angle between the second inclined guide surface 142 and the horizontal plane closer to the air duct suction port is small, so that the suction force near the air duct suction port The larger it is, the more convenient it is to suck dust.

Example 3

Referring to FIGS. 7A to 7C, an embodiment of the present invention provides a cleaning mechanism. The cleaning mechanism includes an air duct suction port 12 provided on a bottom 11 of the housing 1 and a connection between the bottom 11 of the housing 1 and the air outlet 12. The air duct suction port 12 separates a first cleaning brush 151 and a second cleaning brush 152 which are separately provided, and the first cleaning brush 151 and the second cleaning brush 152 move back and forth when being driven to clean and raise dust and paper dust on the ground. Specifically, the first cleaning brush 151 and the second cleaning brush 152 are respectively disposed at the front ends of both sides of the air duct suction port 12 and integrally form an inverted sigma shape.

In this embodiment, the first cleaning brush 151 and the second cleaning brush 152 respectively move back and forth in directions perpendicular to the axis (directions of arrows B3 and B4 in the figure). That is, the first cleaning brush 151 and the second cleaning brush 152 as a whole are moved back and forth between the air duct suction port and the edge of the bottom of the casing when being driven, and sweep the cleaning machine during the movement. The dust at the center and edges, that is, the cleaning brush provided by the embodiment of the present invention can simultaneously function as the main brush and the side brush during the movement process, which can not only increase the cleaning range of the cleaning robot, but also reduce costs. The main brush and the side brush and the corresponding drive have lower costs. For specific structures of the first cleaning brush 151 and the second cleaning brush 152, reference may be made to FIGS. 4A to 4F.

In addition, the cleaning mechanism of this embodiment may also be provided with an inclined guide surface 14, and the first cleaning brush 151 and the second cleaning brush 152 are both disposed on the inclined guide surface 14. For the specific structure and working principle of the inclined guide surface 14, refer to the related description of Embodiment 2.

It can be understood that the first cleaning brush 151 and the second cleaning brush 152 in this embodiment can also be moved back and forth in a direction perpendicular to the axis (refer to the directions of arrows B3 and B4 in FIG. 8) and have an overall figure-eight structure. The specific structures of the first cleaning brush 151 and the second cleaning brush 152 can be referred to FIGS. 5A to 5F.

Example 4

Referring to FIGS. 9A to 9B, an embodiment of the present invention provides a cleaning mechanism. The cleaning mechanism includes an air duct suction port 12 provided on a bottom 11 of the housing 1 and a connection between the bottom 11 of the housing 1 and the above. The air duct suction port 12 separates a first cleaning brush 151 and a second cleaning brush 152 which are separately provided, and the first cleaning brush 151 and the second cleaning brush 152 move back and forth when being driven to clean and raise dust and paper dust on the ground.

The cleaning mechanism provided in this embodiment is basically the same as the cleaning mechanism provided in Embodiment 3. The difference is that the first cleaning brush 151 and the second cleaning brush 152 provided in this embodiment are respectively disposed on the left and right sides of the air duct suction port 12 in parallel. Side, and the first cleaning brush 151 and the second cleaning brush 152 adopt the following movement methods:

(1) The first cleaning brush 151 and the second cleaning brush 152 are reciprocated between the front end and the rear end of the housing bottom 11 when driven, and the first cleaning brush 151 and the second cleaning brush 152 Adopting a structure that moves in a direction perpendicular to its own axis when driven, as shown in FIG. 9B, the moving directions of the first cleaning brush 151 and the second cleaning brush 152 are shown in arrow directions C3 and C4 shown in FIG. 9A; or

(2) The first cleaning brush 151 and the second cleaning brush 152 make a reciprocating circular movement between the air duct suction port 12 and the edge of the housing bottom 11 when being driven, and the first cleaning brush 151 and the second cleaning brush The brush 152 adopts a structure that moves in a direction perpendicular to its own axis when driven. As shown in FIG. 9B, the moving directions of the first cleaning brush 151 and the second cleaning brush 152 are shown in arrow directions C5 and C6 shown in FIG. 9B. It can be understood that the first cleaning brush 151 and the second cleaning brush 152 of the cleaning mechanism provided by this embodiment can cooperate with the cleaning and lifting during the movement of the two cleaning brushes regardless of the above-mentioned structure and movement mode. Dust and paper dust can effectively suck the dust and paper dust into the air inlet, which can more effectively improve the dust collection efficiency and effect.

Example 5

Referring to FIGS. 10A to 10B, an embodiment of the present invention provides a cleaning mechanism. The cleaning mechanism includes an air duct suction port 12 provided on a bottom portion 11 of the housing 1, and is disposed on the bottom portion 11 of the housing 1 and communicates with the bottom portion 11. The air duct suction port 12 separates a plurality of independently arranged cleaning brushes 151, 152, and 153, and the plurality of cleaning brushes 151, 152, and 153 are radiated between the air duct suction port 12 and the front end of the surface of the bottom portion 11 of the casing, and Move back and forth when driven to sweep and raise dust and paper dust from the floor.

Among them, the plurality of cleaning brushes 151, 152, and 153 can adopt the following movement methods:

(I) Multiple cleaning brushes 151, 152, and 153 move back and forth between the air duct suction port 12 and the edge of the housing bottom 11 when driven, and multiple cleaning brushes 151, 152, and 153 are used along the A structure moving in a direction perpendicular to its own axis, as shown in Figure 10A; or

(2) Multiple cleaning brushes 151, 152, and 153 move back and forth between the left and right ends of the housing bottom 11 when being driven, and multiple cleaning brushes 151, 152, and 153 are used along the axis when driven. The structure moving in the vertical direction is shown in FIG. 10B.

It can be understood that this embodiment shows a structure using three cleaning brushes. In order to further improve the cleaning and suction effect, four, five, six or more cleaning brushes may be provided, and multiple cleaning brushes are radiant. It is provided on the front end of the surface of the bottom portion 11 of the casing.

Example 6

Referring to FIGS. 11 to 12, an embodiment of the present invention provides a cleaning mechanism. The same as Embodiment 5, the cleaning mechanism includes an air duct suction port 12 provided on the bottom 11 of the housing 1, and a cleaning mechanism provided on the housing 1. A plurality of cleaning brushes 151, 152, and 153, which are separately provided on the bottom 11 and separated from the air duct suction port 12, are different from the embodiment 5 in that the plurality of cleaning brushes 151, 152, and 153 provided in this embodiment are arranged in parallel with each other. Between the air duct suction port 12 and the front end of the surface of the bottom portion 11 of the casing, when it is driven, it moves back and forth to sweep and raise dust and paper dust on the ground.

(I) Multiple cleaning brushes 151, 152, and 153 move back and forth between the air duct suction port 12 and the edge of the housing bottom 11 when driven, and multiple cleaning brushes 151, 152, and 153 are used along the A structure that moves in a direction perpendicular to its own axis, as shown in Figure 11; or

(2) Multiple cleaning brushes 151, 152, and 153 move back and forth between the left and right ends of the housing bottom 11 when being driven, and multiple cleaning brushes 151, 152, and 153 are used along the axis when driven. The structure moving in the vertical direction is shown in FIG. 12. It can be understood that this embodiment shows a structure using three cleaning brushes. In order to further improve the cleaning and suction effect, four, five, six, or more cleaning brushes can also be provided, and multiple cleaning brushes are arranged in parallel with each other. On the front end of the surface of the bottom portion 11 of the casing.

Example 7

Referring to FIG. 13, an embodiment of the present invention provides a cleaning mechanism. The structure of the cleaning mechanism provided in this embodiment is basically the same as that of the cleaning mechanism provided in Embodiment 3. The difference is that this embodiment is provided in the housing 1. The first cleaning brush 151 and the second cleaning brush 152 which are separately provided on the bottom 11 and separated from the air duct suction port 12 include a cleaning sub-brush 151a and a cleaning sub-brush 151b arranged in parallel, and a cleaning sub-brush 152a and Sweep brush 152b.

Among them, the cleaning sub-brush 151a and the cleaning sub-brush 151b, the cleaning sub-brush 152a and the cleaning sub-brush 152b are set to move back and forth in a direction perpendicular to the axis of the cleaning sub-brush. For specific structures and principles, refer to the foregoing related embodiments.

In this embodiment, at least two cleaning sub-brushes are provided in parallel at the front ends on both sides of the air duct suction port 12 to sweep up the raised dust to be sucked into the air duct suction port during the movement, which can further improve the cleaning and suction efficiency and effect.

It can be understood that, in this embodiment, three or more cleaning sub-brushes which are respectively arranged in parallel at the front ends of both sides of the air duct suction port 12 may also include the technical effects to be achieved in the embodiment of the present invention.

It can be understood that the cleaning brushes provided in parallel to the front ends of both sides of the air duct suction port 12 and the air duct suction port 12 shown in this embodiment form an inverted eight as a whole, but it is understandable that the cleaning sub brushes and the air duct suction port 12 may also be provided. The overall configuration of a straight or figure-eight shape can also achieve the effects to be achieved by the embodiments of the present invention.

Example 8

Referring to FIG. 14, an embodiment of the present invention provides a cleaning mechanism. The structure of the cleaning mechanism provided by this embodiment is basically the same as the structure of the cleaning mechanism provided by Embodiment 4. The difference is that this embodiment is provided in the housing 1. The first cleaning brush 151 and the second cleaning brush 152 which are separately provided on the bottom 11 and separated from the air duct suction port 12 include a cleaning sub-brush 151a and a cleaning sub-brush 151b arranged in parallel, and a cleaning sub-brush 152a and Sweep brush 152b.

In this embodiment, at least two cleaning sub-brushes are provided on both sides of the air duct suction port 12 in parallel to clean up the raised dust during the movement to be sucked into the air duct suction port, which can further improve the cleaning and dust collection efficiency and effect. .

It can be understood that, in this embodiment, the cleaning sub-brushes respectively disposed on both sides of the air duct suction port 12 may also include three or more than three, which can also achieve the technical effects to be achieved in the embodiment of the present invention.

It can be understood that the at least two cleaning sub-brushes respectively disposed on the two sides of the air duct suction port 12 in this embodiment may also be in a radial shape instead of a parallel state, and the technical effects to be achieved in the embodiment of the present invention may also be achieved.

Example 9

An embodiment of the present invention provides a cleaning mechanism. Based on any one of the foregoing embodiments, at least one groove is provided on a surface of the bottom portion 11 of the housing, and each of the grooves and the wind The duct suction port 12 communicates to constitute a dust-guiding air duct that guides dust into the duct suction duct 12. Each groove is configured to be connected to the shape of the air duct suction port 12. Specifically, one end of each groove is connected to the air duct suction port 12, and the other end of each groove is connected to the edge of the bottom 11 of the housing smoothly and smoothly. In addition, each of the grooves and the air duct suction port 12 can be integrally formed.

Preferably, each of the grooves is matched with a cleaning brush on the bottom 11 of the housing to facilitate guiding the raised dust into the air duct suction port 12 through the grooves.

It can be seen that the cleaning robot disclosed in the embodiment of the present invention provides at least one groove on the surface of the bottom of the housing, and communicates with the air duct suction port through each of the grooves to form the guide dust into the air duct suction port. The dust is guided to the air duct, which is beneficial to guide the ground dust into the air duct suction port, and improve the efficiency of sucking dust. A groove matched with the cleaning brush is provided at the bottom of the housing to further facilitate the dust raised by the cleaning brush and guide the dust into the air inlet through the groove, thereby improving the efficiency of sucking dust.

In the following, multiple embodiments will be used to introduce in detail the matching settings, specific structures, and working principles of each cleaning brush that can be used.

Example 10

Referring to FIG. 15, an embodiment of the present invention provides a cleaning mechanism. Based on Embodiment 2, at least one groove 13 is provided on a surface of the bottom portion 11 of the casing.

Specifically, a groove 13 is provided between the air duct suction opening 12 and the front edge of the bottom portion 11 of the casing, and the groove 13 communicates with the air duct suction opening 12 so as to guide dust to the air duct suction opening. The dust in 12 is guided to the air duct, and the groove 13 is arranged in parallel with the cleaning brush 15.

Specifically, the front end 131 of the groove 13 is smoothly connected to the front edge of the bottom portion 11 of the housing, the rear end 132 of the groove 13 is connected to the front edge 121 of the air duct suction port 12, and the depth of the groove 13 is from The front end 131 gradually increases toward its rear end 132, and the width D1 of the rear end 132 of the groove 13 is less than or equal to the length of the front side 121 of the air duct suction port 12, which is conducive to introducing dust into the air duct suction port 12. Inside. In addition, the rear side 122 of the air duct suction port 12 is provided with a baffle 120 protruding upward. The baffle 120 is provided on the rear side 122 of the air duct suction port 12 and can block raised dust and paper scraps and avoid dust and paper. The chips spread behind the air duct suction port 12 and cannot be sucked into the air duct suction port 12.

It can be seen that, in this embodiment, a groove matching the cleaning brush is provided at the bottom of the housing, so as to further facilitate the dust raised by the cleaning brush and guide the dust into the air inlet through the groove, thereby improving the efficiency of sucking dust.

It can be understood that the cleaning brush 15 can adopt any structure and movement mode in Embodiment 2, and can also achieve the effect of the embodiment of the present invention.

Example 11

Referring to FIGS. 16A to 16F, an embodiment of the present invention provides a cleaning mechanism. Based on Embodiment 3, at least the surface of the bottom 11 of the housing is provided with at least a communication with the air duct suction port 12. One groove 13.

Specifically, a first groove 133 and a second groove 134 are provided on both sides of the air duct suction port 12, and the first groove 133 and the second groove 133 are respectively communicated with the air duct suction port 12 to constitute The dust is guided to the air duct in the air duct suction port 12.

In addition, the first and second cleaning brushes 151 and 152 are provided to match the first and

second grooves

133 and 134, so that the first and second cleaning brushes 151 are disposed in front of the first and second cleaning grooves 133 and the first and second cleaning brushes 151 and 134. A groove 133 is arranged in parallel, and a second cleaning brush 152 is arranged in front of the second groove 134 and is arranged in parallel with the second groove 134.

Specifically, one end 1331 of the first groove 133 is connected to the air duct suction port 12, and the other end 1332 of the first groove 133 is smoothly connected to the edge of the bottom 11 of the housing. One end 1341 of the second groove 134 is connected to the air duct suction port 12, and the other end 1342 of the second groove 134 is smoothly connected to the edge of the bottom 11 of the casing. The air duct suction port 12 is rectangular, and one end (1331, 1341) of the first groove 131 and the second groove 131 is connected to the left and right short sides of the air duct suction port, respectively, and the first groove The width of one end (1331, 1341) of the groove 131 and the second groove 131 is the same as the left and right short sides of the air duct suction port 12. The depth of the first trench 133 gradually increases from one end 1332 to the other end 1331, and the depth of the second trench 134 gradually increases from one end 1342 to the other end 1341. This design is more conducive to dust The guide makes it easier for dust to be sucked into the air duct suction port 12 through the first groove 133 and the second groove 134. Preferably, the first groove 133 and the second groove 134 form an inverted sigma shape as a whole, that is, one end (1331, 1341) of the first groove 133 and the second groove 134 is located at the front and middle of the bottom of the housing. The air duct suction port 12 is connected, and the other ends (1332, 1342) are smoothly connected to the left and right corner edges of the front end of the casing, respectively.

In addition, the cleaning mechanism of this embodiment may also be provided with an inclined guide surface 14, and the front or rear sides of the first groove 133 and the second groove 134 are respectively adjacent to the rear end of the inclined guide surface 14. For the specific structure and working principle of the inclined guide surface 14, refer to the related description of Embodiment 2.

It can be understood that when the inclined guide surface 14 of this 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. on.

In addition, a baffle is also provided in this embodiment. The baffle includes a middle baffle 1201 provided at the rear side 122 of the air duct suction port 12, and left and

right baffles

1202 and 1203 connected to the left and right sides of the middle baffle 1201. The left baffle 1202 and the right baffle 1203 are disposed behind the first groove 133 and the second groove 134, respectively. The baffle of this embodiment can block the raised dust and paper scraps, and prevent the dust and paper scraps from spreading behind the air duct suction port 12 and being unable to be sucked into the air duct suction port 12.

Example 12

Referring to FIG. 17, a cleaning mechanism provided by an embodiment of the present invention is based on Embodiment 3, and at least one groove communicating with the air duct suction port 12 is provided on a surface of the bottom portion 11 of the casing. Specifically, a first groove 133 and a second groove 134 are provided to match the first cleaning brush 151 and the second cleaning brush 152, so that the first cleaning brush 151 is located on the first groove 133, and the second The cleaning brush 152 is located on the second groove 134.

For specific structures and working principles of the first trenches 133 and the second trenches 134, refer to Embodiment 11.

The first cleaning brush 151 and the second cleaning brush 152 are configured to move back and forth in a direction perpendicular to the axis of the first cleaning brush 151. For specific structures and principles, refer to Embodiment 2.

Example 13

Referring to FIG. 18, a cleaning mechanism provided by an embodiment of the present invention is basically the same as the structure of Embodiment 11. The difference is that the cleaning mechanism provided by the embodiment further includes a cleaning mechanism provided on the surface of the bottom portion 11 of the housing. A third groove 135, a front end of the third groove 135 is smoothly connected to a front edge of the bottom portion 11 of the housing, and a rear end of the third groove 135 is connected to a front side of the air duct suction port 12.

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 on both sides of the third groove 135.

In this embodiment, three grooves are provided to match the first cleaning brush 151 and the second cleaning brush 152 to guide the front end of the air duct suction port 12 and dust raised on both sides into the air duct suction port 12, which can further improve the dust collection efficiency. And effect.

Example 14

Referring to FIG. 19, a cleaning mechanism provided by an embodiment of the present invention is based on Embodiment 5, and at least one groove is provided on a surface of the bottom portion 11 of the casing and communicates with the air duct suction port 12. Specifically, the first groove 133, the second groove 134, the third groove 135, and the fourth groove 136 are matched, and the first groove 133, the second groove 134, the third groove 135, and The fourth groove 136 is disposed on the front end of the surface of the housing bottom 11 in a radial shape as a whole, and is disposed between the first cleaning brush 151, the second cleaning brush 152, and the third cleaning brush 153.

For specific structures and working principles of the first trench 133, the second trench 134, the third trench 135, and the fourth trench 136, reference may be made to Embodiment 11, and details are not described herein again.

Example 15

Referring to FIG. 20, a cleaning mechanism provided by an embodiment of the present invention is based on Embodiment 6, and at least one groove communicating with the air duct suction port 12 is provided on a surface of the bottom portion 11 of the casing. Specifically, the first groove 131, the second groove 132, the third groove 135, and the fourth groove 136 are matchedly disposed. The first groove 131, the second groove 132, the third groove 135, and The fourth groove 136 is provided between the front end of the surface of the bottom portion 11 of the casing and the air duct suction port 12, and is disposed in parallel with the plurality of cleaning brushes 151, 152, and 153.

For specific structures and working principles of the first trench 131, the second trench 132, the third trench 135, and the fourth trench 136, reference may be made to Embodiment 10, and details are not described herein again.

Example 16

Referring to FIG. 21, a cleaning mechanism provided by an embodiment of the present invention is basically the same as the structure provided by Embodiment 11. The difference is that the cleaning mechanism provided by this embodiment is provided on the first sides of the air duct suction port 12. The trench and the second trench each include two sub-trenches. For example, the first groove includes a sub-groove 133a and a sub-groove 133b, the second groove includes a sub-groove 134a and a sub-groove 134b, and the sub-groove 133a and the sub-groove 133b are arranged in parallel, and the sub-groove 134a and the sub-groove 134b Set in parallel.

In addition, 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 133b. The second cleaning brush 152 is disposed between the sub-groove 134a and the sub-groove 134b and is disposed in parallel with the sub-groove 134a and the sub-groove 134b.

In this embodiment, two sub-grooves are arranged in parallel on the two sides of the air duct suction port 12 to match the cleaning brushes, and the dust guide air duct that guides the raised dust into the air duct suction port can further improve the dust extraction efficiency and effect.

It can be understood that the two sub-grooves respectively disposed on the two sides of the air duct suction port 12 in this embodiment may also be in a radial shape instead of a parallel state, and the technical effects to be achieved in the embodiment of the present invention can also be achieved.

Example 17

Referring to FIG. 22, a cleaning mechanism according to an embodiment of the present invention is provided. The cleaning mechanism is based on Embodiment 7 and is provided with sub-grooves 133a and 133b arranged in parallel, and sub-grooves 134a and sub-grooves arranged in parallel. Trench 134b. The cleaning sub-brush 151a and the cleaning sub-brush 151b are respectively disposed in front of the sub-groove 133a and the sub-groove 133b, and are disposed in parallel and interspaced with the sub-groove 133a and the sub-groove 133b. The cleaning sub-brush 152a and the cleaning sub-brush 152b are respectively provided in front of the sub-groove 134a and the sub-groove 134b, and are disposed in parallel with and spaced from the sub-groove 134a and the sub-groove 134b.

Example 18

An embodiment of the present invention provides a cleaning mechanism. The cleaning mechanism is based on any one of the foregoing embodiments, and includes a side brush on at least a corner of a front end of the bottom of the housing. The side brush is rotated when driven by a driving device. motion.

Wherein, the side brush is arranged so that its bristles do not interfere with the cleaning brush and the like during the movement. The side brush is preferably a three-leaf rotating side brush.

It can be seen that, in the embodiment of the present invention, at least one cleaning brush is provided near the center of the bottom of the casing separately from the air suction port to clean up the dust, and is fitted on at least one corner (preferably, left and right corners) of the front end of the casing. The installation of a rotating side brush can effectively avoid problems such as blocking the suction port due to the entanglement of the rolling main brush provided on the air suction port and affecting the cleaning effect of the dust box, and can effectively clean the center and edges of the sweeper. , The cleaning and cleaning effect is particularly ideal, which is very effective in improving the cleaning efficiency and effect.

In the following, multiple embodiments will be used to introduce in detail the matching settings, specific structures, and working principles of the available side brushes and cleaning brushes.

Referring to FIG. 23, an embodiment of the present invention provides a cleaning mechanism. The cleaning mechanism is based on Embodiment 2 and has a side brush on at least a corner of the front end of the bottom portion 11 of the housing. The side brush is driven by a driving device. Rotate from time to time.

Specifically, a first side brush 181 is provided at the upper left corner of the front end of the housing bottom 11 and a second side brush 182 is provided at the upper right corner of the front end of the housing bottom 11. The first side brush 181 and the second side brush 182 are preferably used Three-leaf rotating edge brush. In addition, the lengths of the bristles of the first side brush 181 and the second side brush 182 are set so that they do not interfere with the cleaning brush 15 and the like during the movement.

It can be seen that, in the embodiment of the present invention, a cleaning brush 15 is provided near the center of the bottom of the housing separately from the air duct suction port to clean up the dust, and cooperates with a rotating first side brush on the left and right corners of the front end of the housing. 181 and the second side brush 182 can effectively clean the dust of the center and edges of the sweeper to be sucked into the air duct suction port 12, and the cleaning and cleaning effect is particularly ideal, which is very effective in improving the cleaning efficiency and effect.

Example 19

Referring to FIG. 24, an embodiment of the present invention provides a cleaning mechanism. Based on Embodiment 3 or Embodiment 4, an edge brush is provided on at least one corner of the front end of the bottom portion 11 of the housing. The edge brush Rotate when driven by a drive.

Specifically, a first side brush 181 is provided at the upper left corner of the front end of the housing bottom 11 and a second side brush 182 is provided at the upper right corner of the front end of the housing bottom 11. The first side brush 181 and the second side brush 182 are preferably used Three-leaf rotating edge brush. In addition, the lengths of the bristles of the first side brush 181 and the second side brush 182 are set so that they do not interfere with the first cleaning brush 151 and the second cleaning brush 152 and the like during the movement.

It can be seen that, in the embodiment of the present invention, the first cleaning brush 151 and the second cleaning brush 152 which are separately provided from the air duct suction port are arranged near the center of the bottom of the casing to clean up the raised dust, and are matched with the left and right corners of the front end of the casing. A rotating first side brush 181 and a second side brush 182 are arranged on the upper side, which can effectively clean the dust of the center and edges of the sweeper to be sucked into the air duct suction port 12, and the cleaning and cleaning effect is particularly ideal, which is very effective in improving the cleaning efficiency and effect.

It can be understood that the first cleaning brush 151 and the second cleaning brush 152 may adopt any of the structures and movement modes in Embodiment 3 or Embodiment 4, and the realization effect of the embodiment of the present invention may also be obtained.

Example 20

Referring to FIG. 25, an embodiment of the present invention provides a cleaning mechanism. The cleaning mechanism is based on Embodiment 5 or Embodiment 6, and a side brush on at least a corner of the front end of the bottom portion 11 of the housing. Rotate when driven by a drive.

Specifically, a first side brush 181 is provided at the upper left corner of the front end of the housing bottom 11 and a second side brush 182 is provided at the upper right corner of the front end of the housing bottom 11. The first side brush 181 and the second side brush 182 are preferably used Three-leaf rotating edge brush. In addition, the lengths of the bristles of the first side brush 181 and the second side brush 182 are set so that they do not interfere with the plurality of cleaning brushes 151, 152, 153, and the like during the movement.

It can be seen that, in the embodiment of the present invention, a plurality of cleaning brushes 151, 152, and 153 are provided near the center of the bottom of the casing separately from the air duct suction port to clean up the dust, and are arranged on the left and right corners of the front end of the casing. The rotating first side brush 181 and the second side brush 182 can effectively clean the dust of the center and edges of the sweeper to be sucked into the air duct suction port 12, and the cleaning and cleaning effect is particularly ideal, which is very effective in improving the cleaning efficiency and effect.

It can be understood that the plurality of cleaning brushes 151, 152, and 153 may adopt any of the structures and movement modes in Embodiment 5 or Embodiment 6, and can achieve the effect of the embodiment of the present invention.

Example 21

Referring to FIG. 26, an embodiment of the present invention provides a cleaning mechanism. The cleaning mechanism is based on Embodiment 7 or Embodiment 8, and a side brush on at least a corner of the front end of the bottom 11 of the housing. Rotate when driven by a drive.

Specifically, a first side brush 181 is provided at the upper left corner of the front end of the housing bottom 11 and a second side brush 182 is provided at the upper right corner of the front end of the housing bottom 11. The first side brush 181 and the second side brush 182 are preferably used Three-leaf rotating edge brush. In addition, the lengths of the bristles of the first side brush 181 and the second side brush 182 are set so that they do not interact with the cleaning brush 151a and the cleaning brush 151b, the cleaning brush 152a, and the cleaning brush during movement. The brush 152b and the like interfere.

It can be seen that, in the embodiment of the present invention, a cleaning sub-brush 151a and a cleaning sub-brush 151b, a cleaning sub-brush 152a and a cleaning sub-brush 152b, which are separately provided from the air duct suction port 12 near the center of the bottom of the housing, are provided to clean up the dust, and cooperate with The rotating first and second side brushes 181 and 182 are arranged on the left and right corners of the front end of the bottom of the casing, which can effectively clean the dust of the center and edges of the sweeper to be sucked into the air inlet 12, and the cleaning and cleaning effect is particularly good. Ideally, it is very effective to improve the cleaning efficiency and effect.

It can be understood that, the cleaning sub-brush 151a and the cleaning sub-brush 151b, the cleaning sub-brush 152a, and the cleaning sub-brush 152b can adopt any structure and movement mode of Embodiment 7 or 8, and can achieve the effect of the embodiment of the present invention .

Example 22

Referring to FIG. 27, an embodiment of the present invention provides a cleaning mechanism. The cleaning mechanism is based on Example 10, and includes a side brush on at least one corner of the front end of the bottom portion 11 of the housing. The side brush is driven by a driving device. Rotate from time to time.

It can be seen that, in the embodiment of the present invention, a cleaning brush 15 and a groove 13 matching the cleaning brush 15 are provided near the center of the bottom of the casing separately from the air duct suction port, and are arranged on the left and right corners of the front end of the casing. The rotating first side brush 181 and the second side brush 182 can effectively clean the dust and paper dust at the center and edges of the sweeper and guide the suction into the air duct suction port 12, which not only effectively improves the efficiency of dust suction, cleaning and cleaning effects. It is particularly ideal, and it is very effective to improve the cleaning efficiency and effect.

It can be understood that, the cleaning brush 15 can adopt any structure and movement mode in Embodiment 10, and can also achieve the effect of the embodiment of the present invention.

Example 23

Referring to FIG. 28, an embodiment of the present invention provides a cleaning mechanism. The cleaning mechanism is based on

Embodiment

11 or 12, and has a side brush on at least one corner of the front end of the bottom portion 11 of the housing. The side brush is driven. When the device is driven, it rotates.

Specifically, a first side brush 181 is provided at the upper left corner of the front end of the housing bottom 11 and a second side brush 182 is provided at the upper right corner of the front end of the housing bottom 11. The first side brush 181 and the second side brush 182 are preferably used Three-leaf rotating edge brush. In addition, the length of the first side brush 181 and the second side brush 182 is set so that the length of the bristles of the first side brush 181 and the second side brush 182 does not interfere with the first cleaning brush 151 and the second cleaning brush 152 and the like during the movement.

It can be seen that, in the embodiment of the present invention, a first cleaning brush 151 and a second cleaning brush 152 provided separately from the air duct suction port are provided near the center of the bottom of the casing, and a first cleaning brush 151 and a second cleaning brush 152 are matched. A groove 133 and a second groove 134, which are provided with rotating first and second side brushes 181 and 182 on the left and right corners of the front end of the housing bottom, can effectively clean the dust and The paper scraps are guided and sucked into the air duct suction port 12, which not only effectively improves the efficiency of sucking dust, but also has a particularly good cleaning and cleaning effect, which is very effective in improving the cleaning efficiency and effect.

It can be understood that the first cleaning brush 151 and the second cleaning brush 152 can adopt the corresponding structure and movement mode in

Embodiment

11 or 12, and the realization effect of the embodiment of the present invention can also be obtained.

It can be understood that the cleaning mechanism provided by the embodiment of the present invention may also be based on any one of Embodiments 13 to 16, and a side brush on at least one corner of the front end of the housing bottom 11 Rotate when driven by a drive.

It can be seen that, in the embodiment of the present invention, a cleaning brush and grooves matching the cleaning brush, which are separately provided from the air duct suction port, are provided near the center of the bottom of the casing, and the rotating first and second corners of the bottom of the casing are provided with rotating first and second corners. One side brush 181 and the second side brush 182 can effectively clean the dust and paper scraps at the center and edges of the sweeper and guide the suction into the air duct suction port 12, which not only effectively improves the efficiency of dust suction, but also has a particularly good cleaning and cleaning effect. Very effective in improving cleaning efficiency and effectiveness.

The above is the preferred embodiment of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, a number of improvements and retouches can be made. These improvements and retouches also depend on It is the protection scope of the present invention.

Claims

A cleaning brush is characterized in that it comprises a fixed base, a movable support provided on the fixed base, bristles provided on the movable support, and a driving component, and the movable support is driven by the driving component to be relatively fixed to the fixed component. The seat reciprocates in a direction perpendicular to its own axis, thereby driving the bristles to clean during the reciprocating movement in a direction perpendicular to its own axis.
The cleaning brush according to claim 1, wherein the fixed seat comprises a limiting body, the limiting body is provided with a receiving groove, and the movable bracket comprises a movable body for setting the bristles, and the movable A driven portion is provided at the bottom of the body, and the driven portion protrudes from the receiving slot, and drives the movable body to reciprocate within the width direction of the receiving slot under the action of the driving member.
The cleaning brush according to claim 2, wherein the driving member comprises a motor and a linking member driven by the motor, and the linking member is matchedly connected with the driven portion.
The cleaning brush according to claim 3, wherein the motor is a brushed DC motor or a brushless DC motor; and the linkage is an eccentric shaft.
The cleaning brush according to claim 2, wherein the movable body reciprocates in a width direction of the receiving groove; the width of the movable body is smaller than the width of the receiving groove; and the movable body includes The upper part for setting the bristles and the lower part connected to the upper part, the driven part is provided on the bottom surface of the lower part; the longitudinal section of the movable body along its own length direction is convex; the length of the upper part is less than The length of the storage tank is received in the storage tank, and the length of the lower portion is greater than the length of the storage tank.
The cleaning brush according to claim 5, wherein the fixed base further comprises a bottom case, and the position-limiting body is fixed inside the bottom case through a connecting member to prevent the movable body from moving from the position-limiting position. The body is detached from the body; a slot is provided at the bottom of the bottom case to extend the driven portion.
The cleaning brush according to claim 1, wherein the movable support is driven by a driving component and can further perform the following movements relative to the fixed base:

Swing back and forth around its own axis with a swing range of 120 °.
The cleaning brush according to claim 1, wherein the movable support is driven by a driving member and can also perform the following movements relative to the fixed base: 360 ° rotation about its own axis.
The cleaning brush according to claim 1, wherein the movable support is driven by a driving component to perform a lifting movement away from or close to a horizontal plane where the fixed seat is located.
The cleaning brush according to claim 1, wherein the bristles are mainly composed of a plurality of tufts of bristles.
The cleaning brush according to claim 1, wherein a plurality of movable brackets provided on each of the fixed bases; and / or a plurality of rows of bristles provided on each of the movable supports.
The cleaning brush according to claim 10, wherein each row of the bristles protrudes from a surface of the bottom of the casing to be close to the ground.
The cleaning brush according to claim 12, wherein the upper surface of each row of the bristles is at the same horizontal plane to be flush with the ground.
The cleaning brush according to claim 10, wherein each of said bristle bundles is rotated 360 ° around its own center when driven.
The cleaning brush according to claim 10, wherein a plurality of bundles of the bristles are arranged in a straight line, a wave shape, or an arc shape as a whole.
A cleaning mechanism, characterized in that it comprises an air duct suction port provided on the bottom of the housing and at least one provided independently from the air duct suction port provided on the bottom of the housing The cleaning brush described.
The cleaning mechanism according to claim 16, wherein each of said cleaning brushes is moved in a reciprocating cycle close to and away from said air duct suction port as a whole when being driven.
The cleaning mechanism according to claim 17, wherein each of said cleaning brushes is reciprocated in a circular motion between said air duct suction port and the edge of the bottom of the casing when driven.
The cleaning mechanism according to claim 16, further comprising at least one groove provided on a surface of the bottom of the casing, and each of the grooves communicates with the air duct suction port to constitute a guide for dust The dust entering the air duct suction port is directed to the air duct.
The cleaning mechanism according to claim 19, wherein one end of each of the grooves is connected to the air channel suction port, and the other end of each of the grooves is smoothly connected to the edge of the bottom of the casing.
The cleaning mechanism according to claim 19 or 20, wherein the groove provided on the surface of the bottom of the housing includes a plurality of grooves, and the plurality of grooves at the bottom of the housing are provided in parallel to the housing. The front end of the surface of the bottom; or a plurality of the grooves are arranged in parallel on both sides of the air duct suction port.
The cleaning mechanism according to claim 21, wherein the cleaning brush comprises a plurality, and the plurality of the cleaning brushes are matched with the plurality of the grooves to facilitate guiding the raised dust through the grooves to all the grooves. Said inside the air intake.
The cleaning mechanism according to claim 21, wherein a plurality of the cleaning brushes and a plurality of the grooves are disposed alternately.
The cleaning mechanism according to claim 21, wherein a plurality of the cleaning brushes are provided in parallel with a plurality of the grooves.
The cleaning mechanism according to claim 19 or 20, wherein the cleaning brush is matched with the groove to facilitate guiding the raised dust through the groove into the air duct suction port.
The cleaning mechanism according to claim 25, wherein the grooves provided on the surface of the bottom of the housing include first grooves and second grooves respectively provided on both sides of the air inlet, The cleaning brush provided on the bottom of the casing includes a first cleaning brush and a second cleaning brush respectively corresponding to the front of the first groove and the second groove.
The cleaning mechanism according to claim 26, wherein the first cleaning brush is disposed in parallel with the first groove, and the second cleaning brush is disposed in parallel with the second groove.
The cleaning mechanism according to claim 26, wherein the first groove and the second groove respectively include a plurality of sub-grooves arranged in parallel, and the first cleaning brush and the second cleaning brush respectively include parallel arrangements A plurality of dust brushes, and the plurality of sub-grooves and the plurality of dust brushes are arranged alternately.
The cleaning mechanism according to claim 26, wherein the entirety of the first groove and the second groove form a straight line, a figure-eight or an inverted figure-eight.
The cleaning mechanism according to claim 25, wherein the groove is provided between a front end of a surface of the bottom of the housing and the air duct suction port; and the cleaning brush is provided in parallel with the groove.
The cleaning mechanism according to claim 30, wherein the groove includes at least two, and at least two of the grooves are provided parallel to each other between a front end of a surface of the bottom of the housing and the air duct suction port. ; The cleaning brush includes at least one and is disposed alternately with the groove.
The cleaning mechanism according to claim 16, wherein one cleaning brush provided on the bottom of the casing and provided separately from the air duct suction mouth includes one, and the cleaning brush is disposed on a front end of the bottom of the casing And the air duct suction mouth.
The cleaning mechanism according to claim 32, wherein the entire bristles provided on the cleaning brush are linear, wavy, or arc-shaped.
The cleaning mechanism according to claim 16, wherein two cleaning brushes provided on the bottom of the housing and separately provided from the air duct suction mouth include two cleaning brushes respectively provided on the air The two sides of the duct suction port or between the front end of the bottom of the shell and the duct suction port are respectively.
The cleaning mechanism according to claim 34, wherein the two cleaning brushes as a whole form a straight line or a figure-eight or inverted figure-eight.
The cleaning mechanism according to claim 35, wherein the bristles provided on the cleaning brush are linear, wavy, or arc-shaped as a whole.
The cleaning mechanism according to claim 16, characterized in that a plurality of cleaning brushes provided on the bottom of the housing and separately provided from the air duct suction mouth include a plurality of cleaning brushes, and the plurality of cleaning brushes are arranged in a single line as a whole. Between the front end of the bottom of the casing and the air duct suction port.
The cleaning mechanism according to any one of claims 32 to 37, wherein the cleaning mechanism further comprises a side brush provided at at least one corner of a front end of the bottom of the housing, and each of the side brushes is driven When the device is driven, it rotates.
The cleaning mechanism according to claim 38, wherein the side brush comprises two, which are respectively disposed at left and right corners of a front end of the bottom of the casing.
The cleaning mechanism according to claim 38, wherein each of the side brushes is a multi-leaf rotating side brush.
The cleaning mechanism according to claim 40, wherein each of the side brushes is a three-leaf rotating side brush.
The cleaning mechanism according to claim 38, wherein each of the side brushes is arranged so that the bristles do not interfere with the cleaning brush during the movement.
The cleaning mechanism according to claim 16, wherein the air duct suction port is circular, oval, triangular, quadrangular or irregular polygon; or the air duct suction port is an approximation of a semicircle on both sides of a middle rectangle Oval.
The cleaning mechanism according to claim 19 or 20, wherein the air duct suction port is polygonal, and one end of each of the grooves is correspondingly connected to one side of the air duct suction port.
The cleaning mechanism according to claim 44, wherein the grooves provided on the surface of the bottom of the housing are two or more, and the shape of the air duct suction opening is matched with the grooves, and At least two sides of the air duct suction port are respectively connected to one end of one of the grooves.
The cleaning mechanism according to claim 45, wherein the air duct suction port is rectangular, and the groove provided on a surface of the bottom of the housing includes a first groove and a second groove, and the first One end of a groove and a second groove are respectively connected to left and right short sides of the air duct suction port.
The cleaning mechanism according to claim 46, wherein the widths of one ends of the first grooves and the second grooves are equal to the left and right short sides of the air duct suction port.
The cleaning mechanism according to claim 46, wherein the groove provided on a surface of the bottom of the housing further comprises a third groove, and a front end of the third groove and a front end of the bottom of the housing The edges are connected smoothly, and the rear end of the third groove is connected to the front edge of the air duct suction port.
The cleaning mechanism according to claim 48, wherein a width of a rear end of the third groove is smaller than or equal to a front edge of the air duct suction opening.
The cleaning mechanism according to claim 19 or 20, wherein a depth of each of the grooves gradually increases from an end remote from the air duct suction port to the other end connected to the air duct suction port.
The cleaning mechanism according to claim 16, wherein the air duct suction port is provided on a central axis of the bottom of the casing, and a distance from the air duct suction port to a front end of the bottom of the casing is smaller than the air duct The distance of the suction port from the rear end of the bottom of the housing.
The cleaning mechanism according to claim 16, wherein a front end of the bottom of the housing is provided with an inclined guide surface, and an angle θ between the inclined guide surface and a horizontal plane satisfies: 0 ° <θ <45 °.
The cleaning mechanism according to claim 52, wherein an angle θ between the inclined guide surface and a horizontal plane satisfies: 5 ° <θ <30 °.
The cleaning mechanism according to claim 53, wherein an angle θ between the inclined guide surface and a horizontal plane satisfies: 10 ° <θ <20 °.
The cleaning mechanism according to claim 52, wherein a front side or a rear side of the air duct suction port is adjacent to a rear end of the inclined guide surface.
The cleaning mechanism according to claim 52, wherein each of the cleaning brushes is disposed on the inclined guide surface.
The cleaning mechanism according to claim 56, wherein the cleaning brush provided on the inclined guide surface includes a first cleaning brush and a second cleaning brush, and the first cleaning brush and the second cleaning brush are respectively It is provided at the front ends of both sides of the air channel suction port.
The cleaning mechanism according to claim 57, wherein the inclined guide surface is further provided with at least one groove, and each of the grooves communicates with the air duct suction port to constitute guide dust to the wind The dust in the air intake guides the air duct.
The cleaning mechanism according to claim 58, wherein the grooves include a first groove and a second groove respectively provided on both sides of the air duct suction port, and the first groove and the second groove The front edge or the rear edge of the groove is respectively adjacent to the rear end of the inclined guide surface.
The cleaning mechanism according to claim 58, wherein the groove further comprises a third groove, and the front end of the third groove is smoothly connected to the front end of the bottom of the housing, and the third groove The rear end is connected to the air inlet; the first cleaning brush and the second cleaning brush are respectively located in front of the first groove and the second groove and are placed on both sides of the third groove, respectively. .
The cleaning mechanism according to claim 60, wherein the inclined guide surface comprises a first inclined guide surface and a second inclined guide surface which are connected in a forward-backward manner, and an angle between the first inclined guide surface and a horizontal plane Is larger than an included angle between the second inclined guide surface and a horizontal plane.
The cleaning mechanism according to claim 61, wherein the third groove is provided on the second inclined guide surface, a front end of the third groove and a rear end of the first inclined guide surface The transition is smoothly connected, and the rear end of the third groove is connected to the air duct suction port.
The cleaning mechanism according to any one of claims 52 to 60, wherein the inclined guide surface itself is a curved surface, and an angle θ between the inclined guide surface and a horizontal plane is from a front end of the inclined guide surface. Gradually decrease towards the back end.
The cleaning mechanism according to claim 60, wherein the first cleaning brush is disposed in parallel with the first groove, and the second cleaning brush is disposed in parallel with the second groove.
The cleaning mechanism according to claim 19 or 20, wherein each of the grooves is integrally formed with the air duct suction port.
The cleaning mechanism according to claim 16, further comprising a baffle provided behind the air duct suction port.
The cleaning mechanism according to claim 19 or 20, further comprising a baffle, the baffle comprising a middle baffle, and left and right baffles connected to the left and right sides of the middle baffle, so The middle baffle is provided at the rear side of the air duct suction port, and the left and right baffles are respectively provided at the back side of the groove connecting the two sides of the air duct suction port.
The cleaning mechanism according to claim 16, wherein the bottom of the casing is a disc-like type whose front edge is a straight section.
The cleaning mechanism according to claim 16, further comprising a dust collecting box and a fan provided inside the casing, wherein the air duct suction port, the dust collecting box and the fan are communicated in sequence.
The cleaning mechanism according to claim 69, wherein the fan includes a first fan and a second fan, and the first fan and the second fan are in communication with the dust collection box through a suction guide member; The suction guide member includes a first suction channel and a second suction channel which are independent of each other, the first fan is in communication with the first suction channel, and the second fan is in communication with the second suction channel.
A cleaning robot, comprising the cleaning mechanism according to any one of claims 16 to 70.