WO2020037516A1 - Structure de guidage de collecte de poussière, mécanisme de collecte de poussière et robot de nettoyage - Google Patents

Structure de guidage de collecte de poussière, mécanisme de collecte de poussière et robot de nettoyage Download PDF

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Publication number
WO2020037516A1
WO2020037516A1 PCT/CN2018/101602 CN2018101602W WO2020037516A1 WO 2020037516 A1 WO2020037516 A1 WO 2020037516A1 CN 2018101602 W CN2018101602 W CN 2018101602W WO 2020037516 A1 WO2020037516 A1 WO 2020037516A1
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WO
WIPO (PCT)
Prior art keywords
groove
guide structure
structure according
dust suction
air duct
Prior art date
Application number
PCT/CN2018/101602
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English (en)
Chinese (zh)
Inventor
李北辰
Original Assignee
广州艾若博机器人科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广州艾若博机器人科技有限公司 filed Critical 广州艾若博机器人科技有限公司
Priority to CN201880088671.4A priority Critical patent/CN111712169B/zh
Priority to PCT/CN2018/101602 priority patent/WO2020037516A1/fr
Publication of WO2020037516A1 publication Critical patent/WO2020037516A1/fr

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/24—Floor-sweeping machines, motor-driven
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners

Definitions

  • the invention relates to the field of robots, in particular to a dust suction guide structure, a dust suction mechanism and a cleaning robot.
  • Sweeping robots also known as cleaning robots, smart vacuuming robots, robotic vacuum cleaners, etc.
  • cleaning robots are a type of smart home appliance that can automatically finish floor cleaning in the room by virtue of certain artificial intelligence.
  • 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.
  • robots that perform cleaning, vacuuming, and floor cleaning work are also collectively classified as cleaning robots.
  • FIG. 1 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 present inventors found that the prior art has at least the following technical disadvantages: At present, the bottom surface of the housing of the cleaning robot adopts a flat structure, which has a poor obstacle clearance function and is not conducive to guiding the dust at the front end of the cleaning robot into the wind In the suction port, the suction efficiency is low and the suction effect is average, which is not conducive to the popularity of the cleaning robot.
  • the purpose of the embodiments of the present invention is to provide a dust suction guide structure, a dust suction mechanism, and a sweeping robot, which can improve the obstacle crossing function, and help guide and suck the dust at the front end of the sweeping robot into the air duct suction port, effectively improving the suction efficiency and suction Dust effect.
  • an embodiment of the present invention provides a dust suction guide structure provided at a bottom of a housing of a dust suction mechanism, and including an air duct suction port provided on the bottom of the shell.
  • An inclined guide surface is provided between the front edges, and an included angle ⁇ between the inclined guide surface and a horizontal plane satisfies: 0 ° ⁇ ⁇ 45 °.
  • an included angle ⁇ between the inclined guide surface and a horizontal plane satisfies: 5 ° ⁇ ⁇ 30 °.
  • an included angle ⁇ between the inclined guide surface and a horizontal plane satisfies: 10 ° ⁇ ⁇ 20 °.
  • a front side or a rear side of the air duct suction port is adjacent to a rear end of the inclined guide surface.
  • each of the grooves communicates with the air duct suction port to constitute dust that guides dust into the air duct suction port. Guide the air duct.
  • 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.
  • each of the grooves is provided on the inclined guide surface.
  • the grooves provided on the surface of the bottom of the housing include a first groove and a second groove, and the first groove and the second groove are respectively provided in the air duct suction port.
  • the front and rear sides of the first groove and the second groove are respectively adjacent to the rear end of the inclined guide surface.
  • 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 end of the bottom of the housing, and the third The rear end of the groove is connected to the air duct suction port.
  • 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.
  • 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.
  • the inclined guide surface itself is a curved surface, and an angle ⁇ between the inclined guide surface and a horizontal plane gradually decreases from a front end to a rear end of the inclined guide surface.
  • the second inclined guide surface is further provided with a first cleaning brush and a second cleaning brush, and the first cleaning brush and the second cleaning brush are respectively provided in the first groove and the first cleaning brush, respectively.
  • the two grooves are positioned in front of the two grooves in front of the two grooves.
  • the first cleaning brush is disposed in parallel with the first groove
  • the second cleaning brush is disposed in parallel with the second groove
  • the first cleaning brush and the second cleaning brush are moved back and forth along the axis direction of the first cleaning brush and the second cleaning brush, respectively.
  • the first cleaning brush and the second cleaning brush are moved back and forth respectively in a direction perpendicular to an axis thereof.
  • the first cleaning brush and the second cleaning brush swing back and forth around their own axes, respectively.
  • the swing range of the first and second cleaning brushes respectively swinging back and forth around its own axis is 120 °.
  • the first cleaning brush and the second cleaning brush are rotated 360 ° around their own axes, respectively.
  • the first cleaning brush and the second cleaning brush each include at least one row of bristles, and each row of the bristles includes a plurality of bundles of bristles.
  • the bristles of each row protrude from the surface of the bottom of the shell to be close to the ground; the upper surfaces of the bristles of each row are at the same horizontal plane to be flush with the ground.
  • the groove provided on the surface of the bottom of the housing includes one, and the groove is provided between a front end of the surface of the bottom of the housing and the air duct suction port.
  • the grooves provided on the surface of the bottom of the housing include two, and the two grooves are respectively provided on both sides of the air duct suction port.
  • the two grooves as a whole form a straight line or a figure-eight or inverted figure-eight.
  • the groove provided on the surface of the bottom of the housing includes a plurality of grooves, which satisfy:
  • a plurality of the grooves are provided at the front end of the surface of the bottom of the housing in a radial shape
  • a plurality of the grooves are arranged in parallel at the front end of the surface of the bottom of the housing;
  • a plurality of the grooves are arranged in parallel on both sides of the air duct suction mouth; or,
  • a plurality of the grooves are provided on both sides of the air channel suction port in a radial pattern.
  • 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. .
  • 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 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.
  • 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.
  • 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.
  • 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.
  • 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 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.
  • 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.
  • each of the grooves, the air duct suction port, and the inclined guide surface are integrally formed.
  • a baffle plate provided behind the air duct suction port is further included.
  • 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.
  • the left baffle and the right baffle are respectively disposed at the back of the two grooves.
  • the dust suction guide structure further includes at least one cleaning brush provided on the bottom of the housing and separately provided from the air duct suction port.
  • 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.
  • 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.
  • the dust suction guide structure further includes at least one cleaning brush provided on the bottom of the housing and provided separately from the air duct suction port, and the cleaning brush is matched with the groove to facilitate The raised dust is guided into the air channel suction port through the groove.
  • 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.
  • the first cleaning brush is disposed in parallel with the first groove
  • the second cleaning brush is disposed in parallel with the second groove
  • the first groove and the second groove respectively include a plurality of sub-grooves arranged in parallel
  • the first cleaning brush and the second cleaning brush respectively include a plurality of dust-raising brushes arranged in parallel
  • a plurality of the sub-grooves and a plurality of the duster brushes are arranged alternately.
  • the first groove and the second groove are integrally formed in a straight or splayed or inverted splayed shape.
  • 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.
  • 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.
  • the groove includes a plurality of grooves, and the plurality of grooves are provided in a radial shape at a front end of a surface of the bottom of the housing; the cleaning brush includes a plurality of grooves and is disposed in a spaced relationship with the grooves.
  • each of the cleaning brushes moves back and forth along its own axis direction, respectively.
  • each of the cleaning brushes moves back and forth in a direction perpendicular to its own axis, respectively.
  • each of the cleaning brushes swings back and forth around its own axis, respectively.
  • a swing range of each of the cleaning brushes swinging back and forth about its own axis is 120 °.
  • each of the cleaning brushes is rotated 360 ° around its own axis.
  • each of the cleaning brushes includes a fixed base provided on the bottom of the housing, a movable support provided on the fixed base, and bristles provided on the movable support.
  • the driving part is driven to move relative to the fixed seat.
  • the movable support is driven by a driving component to make the following movements relative to the fixed seat:
  • the movable bracket is further driven by a driving component to make the following movements relative to the fixed seat:
  • 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.
  • the fixed base includes a body, a receiving groove is provided in the body, the movable bracket includes a movable body for setting the bristles, and a movable part is provided at the bottom of the movable body, A moving part protrudes from the receiving groove, and drives the movable body to reciprocate in the receiving groove under the action of the driving member.
  • 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.
  • the motor is a brushed DC motor or a brushless DC motor; and the linkage is an eccentric shaft.
  • the movable body is reciprocated in a length direction in the receiving groove; the length of the movable body is less than the length 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 width direction is convex; the width of the upper part is smaller than the width of the receiving slot for receiving In the receiving groove, a width of the lower portion is larger than a width of the receiving groove.
  • 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.
  • the bristles are mainly composed of a plurality of tufts of tufts of bristles.
  • 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.
  • each row of the bristles protrudes from the surface of the bottom of the casing to be close to the ground.
  • the upper surfaces of the bristles in each row are at the same horizontal plane to be flush with the ground.
  • each of the tufts of bristles rotates 360 ° around its own center.
  • the bottom of the casing is a disc-like type whose front edge is a straight segment.
  • a side brush provided on at least a corner of a front end of the bottom of the housing is further included, and the side brush performs a rotational motion when driven by a driving device.
  • An embodiment of the present invention further provides a dust suction mechanism, which includes the dust suction guide structure according to any one of the above embodiments, and further includes a dust collection box and a fan provided inside the housing, the air duct suction port, the dust collection box, and The fans are sequentially connected.
  • 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 further provides a cleaning robot, including the dust collecting mechanism according to any one of the above embodiments.
  • 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, thereby further With the inclined guide surface, it is helpful to guide the ground dust into the air duct suction port, and improve the efficiency of sucking dust.
  • a cleaning brush matching the groove 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 addition, the The cleaning brush is located at the bottom of the housing and is set separately from the air duct suction port. In addition to more effective dust collection efficiency, it can also avoid the clogging of the suction port and the impact of the dust box cleaning effect due to the entanglement of the cleaning brush caused by long-term use. And other issues.
  • An inclined guide surface is provided between the air duct suction mouth and the front edge of the bottom of the casing, and a rotating edge brush is provided on at least one corner (preferably left and right corners) of the front end of the bottom of the casing, which can effectively avoid the air duct.
  • the winding main brush provided on the suction port will cause problems such as clogging of the suction port and affecting the cleaning effect of the dust box. It can also help the dust raised by the side brush to be guided into the air channel suction port, thereby improving the suction of dust. Efficiency, especially for corner cleaning and cleaning.
  • the cleaning brush provided at the bottom of the casing is moved back and forth to and from the air duct suction port as a whole to perform cleaning when driven, which facilitates sucking the dust raised by the cleaning into the air duct suction port during the movement. , To improve the cleaning effect and vacuuming effect.
  • the sweeping brush provided at the bottom of the casing is reciprocated and circulated between the air suction port and the edge of the bottom of the casing when being driven, and the dust of the center and edges of the sweeper is cleaned by the cleaning brush during the movement. 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.
  • a mobile cleaning brush agent that rotates between the air duct suction mouth and the edge of the bottom of the casing as a whole is used to clean the area around the cleaning robot, which can effectively solve the existing problems of the rotating side brushes. Hair entanglement and slippage of the drive wheels.
  • FIG. 1 is a schematic structural diagram of a cleaning robot used in the prior art.
  • FIG. 2A to FIG. 2G are schematic structural diagrams of a cleaning robot and a suction guide structure thereof provided by Embodiment 1 of the present invention.
  • FIG. 2H shows various alternative shapes of the air duct suction port of the dust suction guide structure according to the first embodiment of the present invention.
  • FIG. 3A is a schematic diagram of a preferred embodiment of an inclined guide surface of a dust suction guide structure according to the first embodiment of the present invention.
  • 3B is a schematic diagram of another preferred embodiment of the inclined guide surface of the dust suction guide structure according to the first embodiment of the present invention.
  • FIGS. 4A to 4C are schematic structural diagrams of a dust suction guide structure provided in Embodiment 2 of the present invention.
  • 5A to 5C are schematic structural diagrams of a dust suction guide structure provided in Embodiment 3 of the present invention.
  • FIG. 6 is a schematic structural diagram of a dust suction guide structure provided in a fourth embodiment of the invention.
  • FIGS. 7A to 7C are schematic structural diagrams of a dust suction guide structure provided in Embodiment 5 of the present invention.
  • FIGS. 8A to 8C are schematic structural diagrams of a dust suction guide structure provided in Embodiment 6 of the present invention.
  • FIG. 9 is a schematic structural diagram of a dust suction guide structure provided in Embodiment 7 of the present invention.
  • FIG. 10 is a schematic structural diagram of a dust suction guide structure provided in Embodiment 8 of the present invention.
  • FIG. 11 is a schematic structural diagram of a dust suction guide structure provided in Embodiment 9 of the present invention.
  • FIGS. 12A to 12F are schematic structural diagrams of a cleaning robot and a dust suction guiding structure thereof provided in Embodiment 11 of the present invention.
  • FIGS. 13A to 13F are structural diagrams of a preferred embodiment of a cleaning brush of a dust suction guide structure provided in Embodiment 11 of the present invention.
  • FIG. 14 is a schematic structural diagram of a dust suction guide structure provided in Embodiment 12 of the present invention.
  • 15A to 15F are structural diagrams of a preferred embodiment of a cleaning brush of a dust suction guide structure provided in Embodiment 12 of the present invention.
  • FIG. 16 is a schematic structural diagram of a dust suction guide structure provided in Embodiment 13 of the present invention.
  • FIG. 17 is a schematic structural diagram of a dust suction guide structure provided in Embodiment 14 of the present invention.
  • FIG. 18 is a schematic structural diagram of a dust suction guide structure provided in Embodiment 15 of the present invention.
  • FIG. 19 is a schematic structural diagram of a dust suction guide structure provided in Embodiment 16 of the present invention.
  • FIG. 20 is a schematic structural diagram of a dust suction guide structure provided in Embodiment 17 of the present invention.
  • FIG. 21 is a schematic structural diagram of a dust suction guide structure provided in Embodiment 18 of the present invention.
  • 22A to 22H are schematic structural diagrams of a dust suction guide structure provided in Embodiment 19 of the present invention.
  • 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.
  • 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.
  • the specific meanings of the above terms in the present invention can be understood according to specific situations.
  • an embodiment of the present invention provides a cleaning robot.
  • the cleaning robot is provided with a dust suction mechanism, and the dust suction mechanism includes a dust suction guide structure 10 provided on the bottom of the housing 1 and a dust collection box 2 and a fan 3 provided inside the housing 1, wherein the dust collection box 2
  • the inlet 20 is in communication with the air inlet 12 of the suction guide structure on the bottom of the casing 1, and the outlet (not shown) of the dust collection box 2 is in communication 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.
  • 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.
  • a dust suction guide structure 10 provided in an embodiment of the present invention is provided on a housing bottom 11 of a dust suction mechanism and includes an air duct suction port 12 provided on the bottom of the housing.
  • the air duct suction port 12 and the casing An inclined guide surface 14 is provided between the front edge of the bottom, and the front edge 121 or the rear edge 122 of the air duct suction port 12 is adjacent to the rear end of the inclined guide surface 14.
  • the angle ⁇ between the inclined guide surface and the horizontal plane satisfies: 0 ° ⁇ ⁇ 45 °.
  • the angle ⁇ between the inclined guide surface and the horizontal plane satisfies: 5 ° ⁇ ⁇ 30 °. More preferably, the angle ⁇ between the inclined guide surface and the horizontal plane satisfies: 10 ° ⁇ ⁇ 20 °.
  • 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 groove 13 further guides and sucks the dust at the front end of the cleaning robot into the air duct suction port 12 to improve the efficiency of sucking dust.
  • the inclined guide surface 14 itself is a curved surface, and an angle ⁇ 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.
  • 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 ⁇ 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.
  • the angle ⁇ 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 ⁇ 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.
  • the inclined guide surface 14 includes a first inclined guide surface 141 and a second inclined guide surface 142 which are connected to each other in a forward-backward manner.
  • the included angle ⁇ 1 is larger than the included angle ⁇ 2 between the second inclined guide surface 142 and a horizontal plane.
  • 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 ⁇ 1 between the horizontal planes is larger than the angle ⁇ 2 between the second inclined guide surface 142 and the horizontal plane.
  • 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.
  • the bottom portion 11 of the casing has a disc-like shape with a straight edge at the front end.
  • 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.
  • the shape of the air duct suction port 12 may be set as 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.
  • the cleaning robot disclosed in the embodiment of the present invention includes a dust suction mechanism.
  • the dust suction mechanism is provided on the surface of the bottom of the housing through the suction force of the fan 3 inside the housing 1 and cooperates with the suction guide structure 10 on the bottom of the housing 1.
  • At least one of the grooves serves as a dust guide air duct to guide the sucked dust into the air duct suction port, and enters the dust collection box through the air duct suction port, thereby completing the function of floor cleaning.
  • an inclined guide surface is provided between the air duct suction port and the front edge of the bottom of the housing, which can not only achieve the obstacle surging function, but also be beneficial to guide and suck the dust at the front end of the cleaning robot into the air duct suction port, thereby improving the dust suction Efficiency and effectiveness.
  • the use of the inclined guide surface instead of the rolling main brush provided in the air suction port as the dust suction guide can also effectively avoid problems such as entanglement caused by the rolling main brush blocking the suction port and affecting the cleaning effect of the dust box.
  • the inclined guide surface between the air duct suction mouth and the front edge of the bottom of the housing is set 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 is provided.
  • 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.
  • the angle ⁇ between the inclined guide surface and the horizontal plane is gradually from the front to the rear of the inclined guide surface. cut back.
  • the angle ⁇ 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
  • the angle ⁇ 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.
  • an embodiment of the present invention provides a dust suction guide structure.
  • the dust suction guide structure further includes an air duct suction port 12 provided on the bottom portion 11 of the housing, and a suction duct 12 provided on the bottom portion 11 of the housing.
  • At least one groove 13 on the surface, and each of the grooves 13 communicates with the air duct suction port 12 to form a dust guiding air duct that guides dust into the air duct suction port 12.
  • the groove 13 is provided on the inclined guide surface 14.
  • Each groove is configured to be connected to the shape of the air duct suction port 12. Specifically, one end 131 of each groove 13 is connected to the air duct suction port 12, and the other end 132 of each groove 13 is smoothly connected to the edge of the bottom 11 of the casing. In addition, each of the grooves 13 and the air duct suction port 12 can be integrally formed.
  • 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.
  • the use of the dust-guided air duct instead of the rolling main brush provided in the air inlet 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.
  • a dust suction guide structure provided in an embodiment of the present invention is provided on a housing bottom 11 of the dust suction mechanism.
  • the dust suction guide structure includes an air duct suction port 12 provided on the housing bottom 11 And a groove 13 provided between the front end of the surface of the housing bottom 11 and the air duct suction port 12, and the groove 13 communicates with the air duct suction port 12 so as to guide dust to the wind
  • the dust in the duct suction port 12 is directed to the air duct.
  • 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 beneficial for introducing dust into the air duct suction port 12.
  • 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.
  • the groove 13 may also be provided on the second inclined guide surface 142, and the groove The front end 131 of 13 is smoothly connected to the rear end of the first inclined guide surface 141, and the rear end 132 of the groove 13 is connected to the air duct suction port 12.
  • At least one groove is provided on the surface of 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. Therefore, it is further matched with the inclined guide surface to facilitate the suction of the ground dust into the air duct suction port and improve the efficiency of sucking dust.
  • the dust suction guide structure further includes an air duct suction port 12 provided on the bottom portion 11 of the housing, and The first groove 133 and the second groove 134 on both sides of the air duct suction opening 12, the first groove 133 and the second groove 133 communicate with the air duct suction opening 12, respectively, so as to guide dust to The dust in the air duct suction port 12 is guided to the air duct.
  • 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.
  • 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 mouth 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.
  • the dust suction guide structure 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.
  • the specific structure and working principle of the inclined guide surface 14 refer to the related description of Embodiment 2.
  • 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.
  • the dust suction guide structure further includes an air duct suction port 12 provided on the bottom portion 11 of the housing, and The first groove 133 and the second groove 134 on both sides of the air duct suction port 12, the first groove 133 and the second groove 133 communicate with the air duct suction port 12, respectively, so as to guide dust to the air duct
  • the dust in the air duct suction port 12 is directed to the air duct.
  • the structure of the dust suction guide structure of this embodiment is basically the same as the structure of the dust suction guide structure provided in Embodiment 3. The difference is that the first groove 133 and the second groove 134 of the dust suction guide structure provided in this embodiment are integrally formed.
  • Straight (slotted) type that is, the first groove 133 and the second groove 134 are flush with the air duct suction port 12, and one end (1331, 1341) of the first groove 133 and the second groove 134 is connected to the air duct suction port 12 at the middle and front part of the bottom of the housing
  • the other ends (1332, 1342) are smoothly connected to the left and right edges of the bottom of the housing that are flush with the air intake.
  • first groove 133 and the second groove 134 in this embodiment may form a figure-eight shape as a whole, and may also achieve the technical effect to be achieved in the embodiment of the present invention.
  • the dust suction guide structure further includes an air duct suction port 12 provided on the bottom portion 11 of the housing, and A first groove 133 and a second groove 134 on both sides of the air duct suction opening 12, the first groove 133 and the second groove 133 are respectively communicated with the air duct suction opening 12 to form a guide for dust
  • the dust entering the air duct suction port 12 is guided to the air duct.
  • This embodiment further includes a third groove 135 provided on the surface of the housing bottom 11. The front end of the third groove 135 is smoothly connected to the front edge of the housing bottom 11. The rear end is connected to the front side of the air duct suction port 12.
  • the dust suction guide structure of this embodiment is a combination of the dust suction guide structures disclosed in Embodiment 2 and Embodiment 3. Three grooves are provided to guide the dust at the front end of the air duct suction port 12 and the dust on both sides into the dust suction guide structure. The inside of the air duct suction port 12 can further improve the dust collection efficiency and effect.
  • Embodiment 2 and Embodiment 3 For other structures and working principles of the suction guide structure of this embodiment, reference may be made to the related descriptions of Embodiment 2 and Embodiment 3, and details are not described herein again.
  • a dust suction guide structure provided by an embodiment of the present invention is based on the fifth embodiment, and a fourth groove 136 is added.
  • the front end of the fourth groove 136 and the bottom of the housing 11 The front edge is smoothly connected by transition, and the rear end of the fourth groove 136 is connected with the front edge of the air duct suction port 12.
  • the air duct suction port 12 of this embodiment is provided in a pentagonal shape. Except for the rear side 122 of the air duct suction port 12, the remaining four sides are respectively connected to one end of a groove.
  • the first groove 133, the second groove 134, the third groove 135, and the fourth groove 136 are disposed on the front end of the surface of the bottom portion 11 of the casing in a radial shape as a whole.
  • this embodiment adopts a structure of four grooves.
  • five, six or more grooves may be provided, and a plurality of grooves are provided in a radial manner on the housing. The front end of the surface of the bottom 11.
  • a dust suction guide structure according to an embodiment of the present invention is provided.
  • the design of the dust suction guide structure is basically the same as the dust suction guide structure of Embodiment 6. The difference is that the third groove 135 provided in Embodiment 6 And the other end (ie, the front end) 1352, 1362 of the fourth groove 136 is smoothly connected to the rear end of the first inclined guide surface 141, and the third groove 135 and the fourth groove of the dust suction guide structure provided in this embodiment The other end of the 136 (ie, the front end) 1352, 1362 is smoothly connected to the front edge of the bottom 11 of the housing, that is, the length of the third groove 135 and the fourth groove 136 of the vacuum guide structure provided in this embodiment is longer, which is more conducive to The dust is introduced into the air duct suction port 12.
  • a dust suction guide structure provided by an embodiment of the present invention is basically the same as the dust suction guide structure of Embodiment 2. The difference is that this embodiment is provided on the surface of the housing bottom 11
  • the groove between the front end of the air duct and the air duct suction port 12 includes at least two sub-grooves. For example, in this embodiment, it includes a first sub-groove 1301 and a second sub-groove 1302. The first sub-groove 1301 and the second sub-groove 1302 are arranged in parallel and communicate with the air duct suction port 12 respectively.
  • the dust guide air duct is configured to guide dust into the air duct suction port 12.
  • At least two sub-grooves provided in parallel between the front end of the surface of the housing bottom 11 and the air duct suction port 12 are used as dust guide air ducts for guiding dust into the air duct suction port, which can further improve Vacuuming efficiency and effectiveness.
  • the groove provided between the front end of the surface of the housing bottom 11 and the air duct suction port 12 in parallel in this embodiment may include three or more sub-grooves, which can also achieve the embodiment of the present invention. The technical effect to be achieved.
  • a dust suction guide structure provided by an embodiment of the present invention is basically the same as the dust suction guide structure in Embodiment 3.
  • the difference is that this embodiment
  • the first and second trenches on the side each include at least two sub-trenches.
  • 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
  • the sub-groove 133a and the sub-groove 133b are arranged in parallel
  • the sub-groove 134a and the sub-groove 134b Set in parallel.
  • At least two sub-grooves are provided in parallel on the two sides of the air duct suction port 12 as dust guide air ducts for guiding dust into the air duct suction port, which can further improve the dust extraction efficiency and effect.
  • three or more sub-grooves respectively disposed on both sides of the air duct suction port 12 may also include three or more sub-grooves, which can also achieve the technical effects to be achieved in the embodiment of the present invention.
  • the at least two sub-grooves respectively disposed on both 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.
  • the sub-grooves provided on 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 sub grooves and the air duct suction port 12 may be provided as a whole. Forming a straight or splayed shape can also achieve the effects to be achieved by the embodiments of the present invention.
  • An embodiment of the present invention provides a dust suction guide structure. Based on any of the foregoing embodiments, at least one cleaning brush is independently provided on the bottom 11 of the housing and separated from the air duct suction port 12.
  • each of the cleaning brushes can be circulated back and forth as a whole when being driven to clean and raise dust and paper dust on the ground.
  • each of the cleaning brushes is moved in a reciprocating circular motion toward and away from the air duct suction port 12 as a whole when being driven. More preferably, each of the cleaning brushes is reciprocated in a reciprocating cycle between the air duct suction port 12 and the edge of the housing bottom 11 as a whole when being driven.
  • each of the cleaning brushes is matched with a groove on the surface of the bottom portion 11 of the casing to facilitate guiding raised dust into the air duct suction port 12 through the groove.
  • a cleaning brush matched with the groove 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.
  • a cleaning brush that matches the groove and is separated from the air duct suction port is provided at the bottom of the housing, so as to further facilitate cleaning of the raised dust by the cleaning brush and guide into the air duct suction port through the groove, which can be more effective.
  • it can also avoid problems such as clogging the dust suction port and affecting the cleaning effect of the dust box due to the tangling caused by the long-term use of the cleaning brush.
  • a dust suction guide structure provided by an embodiment of the present invention is based on Embodiment 3, and at least one cleaning brush is independently provided at the bottom 11 of the casing and separated from the air duct suction port 12.
  • a first cleaning brush 151 and a second cleaning brush 152 are matchingly provided.
  • the first cleaning brush 151 is disposed in front of the first groove 133 and is disposed in parallel with the first groove 133.
  • the second The cleaning brush 152 is disposed in front of the second groove 134 and is disposed in parallel with the second groove 134.
  • the first cleaning brush 151 and the second cleaning brush 152 are preferably disposed on the second inclined guide surface. 142 on.
  • the first cleaning brush 151 and the second cleaning brush 152 move back and forth along the axis direction (directions of arrows A1 and A2 in the figure), respectively. 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.
  • 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 support 92 is driven by a driving component and can move back and forth along its own axis direction (shown by arrow A in the figure) relative to the fixed base 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 which 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.
  • 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
  • the linkage member 942 is an eccentric shaft driven by a brushed DC motor or a brushless DC motor.
  • the movable body 921 reciprocates in a length direction in the receiving groove 910.
  • the length of the movable body 921 is smaller than the length of the receiving groove 910.
  • the movable body 921 further 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 width direction of the movable body 921 is convex.
  • the width of the upper portion 9211 is smaller than the width of the receiving groove 910 to be received in the receiving groove 910, and the width of the lower portion 9212 is greater than the width of the receiving groove 910.
  • 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.
  • the cleaning brush of this embodiment may not be provided with the bottom case 913, as shown in FIG. 13F, which does not affect its implementation effect.
  • a linkage (eccentric shaft) 942 is driven to rotate by a motor. During the rotation, the linkage (eccentric shaft) 942 is driven by a matching connection with the driven portion 922 at the bottom of the movable body 921 to drive. The driven portion 922 moves to drive the movable body 921 to reciprocate in a length direction of the receiving groove 910.
  • the bristles 93 are mainly composed of a plurality of tufts of bristles.
  • 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.
  • the movable bracket 92 is further driven by a driving member 94 to make the following movements relative to the fixed seat:
  • the cleaning brush 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.
  • the movable bracket 92 is driven by the driving member 94 and can also move away from or approach the horizontal plane where the fixed base is located.
  • 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.
  • a dust suction guide structure provided by an embodiment of the present invention is basically the same as the structure of Embodiment 11. The difference is that the first cleaning brush 151 and The second cleaning brush 152 moves back and forth in directions perpendicular to its own axis (directions of arrows B1 and B2 in the figure). That is, the first cleaning brush 151 and the second cleaning brush 152 are moved back and forth as a whole to move close to and away from the air duct suction port to perform cleaning when driven, which is beneficial to the dust raised during the movement. It is sucked into the air inlet, which improves the cleaning effect and the dust collecting effect.
  • 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 support 92 is driven by a driving component and can move back and forth along its own axis direction (shown by arrow B in the figure) relative to the fixed base 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 which 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.
  • 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
  • the linkage member 942 is an eccentric shaft driven by a brushed DC motor or a brushless DC motor.
  • 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.
  • 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.
  • the cleaning brush of this embodiment may not be provided with the bottom case 913, as shown in FIG. 15F, which does not affect its implementation effect.
  • a linkage (eccentric shaft) 942 is driven to rotate by a motor. During the rotation, the linkage (eccentric shaft) 942 is driven by a matching connection with the driven portion 922 at the bottom of the movable body 921 to drive. The driven portion 922 moves to drive the movable body 921 to reciprocate in a width direction of the receiving groove 910.
  • a dust suction guide structure provided by an embodiment of the present invention is based on Embodiment 3, and at least one cleaning brush is independently provided at the bottom 11 of the casing and separated from the air duct suction port 12.
  • a first cleaning brush 151 and a second cleaning brush 152 are matchingly provided.
  • the first cleaning brush 151 is provided on the first groove 133
  • the second cleaning brush 152 is provided on the second groove. Slot 133.
  • first cleaning brush 151 and the second cleaning brush 152 are set to move back and forth along the direction of the axis of the first cleaning brush 151.
  • first cleaning brush 151 and the second cleaning brush 152 are set to move back and forth along the direction of the axis of the first cleaning brush 151.
  • a dust suction guide structure provided by an embodiment of the present invention is based on Embodiment 5, and at least one cleaning brush is independently provided at the bottom 11 of the housing and separated from the air duct suction port 12.
  • a first cleaning brush 151 and a second cleaning brush 152 are matchingly provided, and the first cleaning brush 151 and the second cleaning brush 152 are correspondingly disposed in front of the first groove 133 and the second groove 134, respectively. And placed on both sides of the third trench 135.
  • the first cleaning brush 151 is disposed in parallel with the first groove 133; the second cleaning brush 152 is disposed in parallel with the second groove 134.
  • first cleaning brush 151 and the second cleaning brush 152 may be configured to move back and forth along the direction of the own axis or back and forth in a direction perpendicular to the own axis.
  • first cleaning brush 151 and the second cleaning brush 152 may be configured to move back and forth along the direction of the own axis or back and forth in a direction perpendicular to the own axis.
  • a dust suction guide structure provided by an embodiment of the present invention is based on Embodiment 6 or Embodiment 7.
  • At least one cleaning brush is independently provided at the bottom 11 of the casing and separated from the air duct suction port 12. .
  • the first cleaning brush 151, the second cleaning brush 152, and the third cleaning brush 153 are provided in a matching manner.
  • the first cleaning brush 151, the second cleaning brush 152, and the third cleaning brush 153 are disposed in a radial shape as a whole.
  • the front end of the surface of the bottom portion 11 of the casing is disposed between the first groove 133, the second groove 134, the third groove 135, and the fourth groove 136.
  • first cleaning brush 151, the second cleaning brush 152, and the third cleaning brush 153 may be configured to move back and forth along the direction of the own axis or back and forth in a direction perpendicular to the own axis.
  • first cleaning brush 151, the second cleaning brush 152, and the third cleaning brush 153 may be configured to move back and forth along the direction of the own axis or back and forth in a direction perpendicular to the own axis.
  • a dust suction guide structure provided by an embodiment of the present invention is based on Embodiment 8 and at least one cleaning brush is independently provided at the bottom 11 of the casing and separated from the air duct suction port 12.
  • a first cleaning brush 151, a second cleaning brush 152, and a third cleaning brush 153 are matchingly provided, and the first cleaning brush 151, the second cleaning brush 152, and the third cleaning brush 153 are provided on the surface of the bottom portion 11 of the casing. Is disposed between the front end of the air duct suction port 12 and the first sub-groove 1301 and the second sub-groove 1302 in parallel with each other.
  • first cleaning brush 151, the second cleaning brush 152, and the third cleaning brush 153 may be configured to move back and forth along the direction of the own axis or back and forth in a direction perpendicular to the own axis.
  • first cleaning brush 151, the second cleaning brush 152, and the third cleaning brush 153 may be configured to move back and forth along the direction of the own axis or back and forth in a direction perpendicular to the own axis.
  • a dust suction guide structure provided by an embodiment of the present invention is based on Embodiment 9, and at least one cleaning brush is independently provided at the bottom 11 of the casing and separated from the air duct suction port 12.
  • a first cleaning brush 151 and a second cleaning brush 152 are matchingly provided, and the first cleaning brush 151 is disposed between the sub-groove 133a and the sub-groove 133b and the sub-groove 133a and the sub-groove. 133b are arranged in parallel.
  • 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.
  • first cleaning brush 151 and the second cleaning brush 152 may be configured to move back and forth along the direction of the own axis or back and forth in a direction perpendicular to the own axis.
  • first cleaning brush 151 and the second cleaning brush 152 may be configured to move back and forth along the direction of the own axis or back and forth in a direction perpendicular to the own axis.
  • a dust suction guide structure provided in an embodiment of the present invention is based on Embodiment 9, and at least one cleaning brush is independently provided at the bottom 11 of the casing and separated from the air duct suction port 12.
  • the cleaning sub-brush 151a and the cleaning sub-brush 151b arranged in parallel, and the cleaning sub-brush 152a and the cleaning sub-brush 152b arranged in parallel are matched.
  • 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.
  • the cleaning sub-brush 151a and the cleaning sub-brush 151b, the cleaning sub-brush 152a and the cleaning sub-brush 152b may be set to move back and forth in the direction of its own axis or back and forth in a direction perpendicular to its own axis.
  • the cleaning sub-brush 151a and the cleaning sub-brush 151b, the cleaning sub-brush 152a and the cleaning sub-brush 152b may be set to move back and forth in the direction of its own axis or back and forth in a direction perpendicular to its own axis.
  • An embodiment of the present invention provides a dust suction guide structure.
  • the dust suction guide structure 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, and the side brush is driven by the driving device. Rotate while driving.
  • the side brush is preferably a three-leaf rotating side brush.
  • At least one corner of the front end of the bottom portion 11 of the housing is provided with a side brush, and the side brush is rotated when driven by a driving device. .
  • 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.
  • At least one groove is provided on the surface of the bottom of the housing, and a rotating edge brush is provided on at least one corner (preferably, left and right corners) of the front end of the housing bottom, which can effectively avoid the air inlet
  • the winding caused by the rolling main brush blocks the dust suction port and affects the cleaning effect of the dust box. It can also help the dust raised by the side brush and guide into the air suction port through the groove, thereby improving the suction.
  • the efficiency of dust especially for corner cleaning and cleaning.
  • a rotating edge brush can also be provided on at least one corner (preferably, left and right corners) of the front end of the bottom of the housing based on the foregoing embodiments 10 to 18, and the rotating edge brush can be set by The bristles will not interfere with the cleaning brush and the like during the movement.
  • 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 and the like during the movement.
  • At least one groove is provided on the surface of the bottom of the casing, and a cleaning brush 15 provided separately from the air suction port is arranged near the center of the bottom of the casing to clean up the raised dust, and is matched with the front end of the bottom of the casing.
  • the rotating first and second side brushes 181 and 182 are arranged on the left and right corners of the machine, which 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.

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  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

L'invention concerne une structure de guidage de collecte de poussière (10), un mécanisme de collecte de poussière et un robot de nettoyage. La structure de guidage de collecte de poussière (10) est disposée au fond du boîtier (1) du mécanisme de collecte de poussière et comprend une ouverture d'aspiration de canal d'air (12) disposée sur le fond du boîtier (1) et une surface de guidage inclinée (14) disposée entre l'ouverture d'aspiration de canal d'air (12) et le bord d'extrémité avant du fond du boîtier (1). Un angle inclus θ entre la surface de guidage inclinée (14) et une surface horizontale est supérieur à 0 degré et inférieur à 45 degrés. La structure de guidage de collecte de poussière (10) réalise la fonction consistant à surmonter un obstacle et guide et aspire la poussière au niveau de l'extrémité avant du robot de nettoyage dans l'ouverture d'aspiration de canal d'air et améliore l'efficacité de collecte de poussière.
PCT/CN2018/101602 2018-08-21 2018-08-21 Structure de guidage de collecte de poussière, mécanisme de collecte de poussière et robot de nettoyage WO2020037516A1 (fr)

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CN201880088671.4A CN111712169B (zh) 2018-08-21 2018-08-21 吸尘导向结构、吸尘机构以及扫地机器人
PCT/CN2018/101602 WO2020037516A1 (fr) 2018-08-21 2018-08-21 Structure de guidage de collecte de poussière, mécanisme de collecte de poussière et robot de nettoyage

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PCT/CN2018/101602 WO2020037516A1 (fr) 2018-08-21 2018-08-21 Structure de guidage de collecte de poussière, mécanisme de collecte de poussière et robot de nettoyage

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