WO2014180320A1 - 清扫机器人和地面处理装置 - Google Patents

清扫机器人和地面处理装置 Download PDF

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Publication number
WO2014180320A1
WO2014180320A1 PCT/CN2014/077027 CN2014077027W WO2014180320A1 WO 2014180320 A1 WO2014180320 A1 WO 2014180320A1 CN 2014077027 W CN2014077027 W CN 2014077027W WO 2014180320 A1 WO2014180320 A1 WO 2014180320A1
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WO
WIPO (PCT)
Prior art keywords
sealing strip
dynamic sealing
cleaning robot
dynamic
suction port
Prior art date
Application number
PCT/CN2014/077027
Other languages
English (en)
French (fr)
Inventor
沈象波
Original Assignee
科沃斯机器人有限公司
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Publication date
Application filed by 科沃斯机器人有限公司 filed Critical 科沃斯机器人有限公司
Publication of WO2014180320A1 publication Critical patent/WO2014180320A1/zh

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details 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
    • A47L9/02Nozzles
    • A47L9/06Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0633Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads
    • A47L9/064Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads actuating means therefor
    • A47L9/0653Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads actuating means therefor with mechanical actuation, e.g. using a lever
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details 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
    • A47L9/02Nozzles
    • A47L9/06Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0633Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2201/00Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation

Definitions

  • the invention relates to a cleaning robot and a ground processing device, and belongs to the technical field of small household appliance manufacturing. Background technique
  • the cleaning robot is an emerging household appliance that automatically performs ground cleaning while walking.
  • the cleaning robot draws dust from the surface to be cleaned by the suction generated by the motor mounted in the main body.
  • a sealing strip is usually provided at the suction opening.
  • the existing cleaning robots on the market generally only have sealing strips at the rear and both sides of the suction port.
  • the disadvantage of this structure is that the front part of the suction port is not sealed and is greatly reduced.
  • the vacuum of the vacuum cleaner some dust that is difficult to remove will accumulate in the dust suction port and the dust suction passage, and the dust suction effect is poor.
  • a sealing strip is provided at the front of the cleaning robot's suction port, the sealing strip will prevent dust or debris from reaching the suction port during the cleaning process, which will further remove the cleaning.
  • the cleaning robot is generally powered by a rechargeable battery. If the vacuuming power is increased unilaterally to increase the vacuum of the vacuum, the working time of the vacuum cleaner will be shortened. Summary of the invention
  • the technical problem to be solved by the present invention is to provide a cleaning robot and a ground processing device according to the deficiencies of the prior art.
  • the cleaning port of the cleaning robot or the ground processing device is provided with a dynamic sealing member, which can ensure the suction.
  • the dust chamber has sufficient vacuum to prevent the dust seal particles from reaching the dust suction port, and the structure is simple and the cleaning efficiency is improved.
  • a cleaning robot comprises a robot body, a driving wheel is arranged on the body, a suction port is arranged at the bottom of the body, the walking direction of the cleaning robot is forward, and a static sealing strip is arranged on the rear and both sides of the suction opening, and the static sealing is provided.
  • the lower edge of the strip extends toward the surface to be cleaned, and a dynamic seal is arranged in front of the dust suction port, the dynamic seal comprises an actuating member and a dynamic sealing strip, the dynamic sealing strip and the edge of the suction port and/or to be cleaned
  • the gap between the working faces forms an air inlet, and the dynamic sealing strip moves under the driving of the actuating member to dynamically change the area of the air inlet.
  • the actuating member is a roller located at two ends of the dynamic sealing strip and fixedly connected thereto, and the roller rolls on the cleaning surface to be cleaned by the cleaning robot.
  • the dynamic sealing strip is disposed coaxially with the roller.
  • the height of the dynamic sealing strip is less than or equal to the diameter of the roller.
  • the dynamic sealing strip may also be rotatably coupled to the bottom of the body by a pivot, the actuating member including the pivot shaft and a driving motor connected thereto, and a dynamic seal driven by the driving motor
  • the strip rotates or oscillates around the pivot.
  • the rotation direction of the dynamic sealing strip is the same as the rotation direction of the driving wheel when the cleaning robot advances; when the dynamic sealing strip is at the pivot axis
  • the dynamic seal has a swing angle of ⁇ , and -90 ° ⁇ +90 °.
  • the actuating member may further be a lifting mechanism, the lifting mechanism comprising a chain and a sprocket, the chain being respectively connected to the sprocket and the dynamic sealing strip, the sprocket being further connected to the driving motor, driven by the driving motor, The lifting mechanism drives the dynamic sealing strip to translate up and down.
  • the lifting mechanism comprising a chain and a sprocket, the chain being respectively connected to the sprocket and the dynamic sealing strip, the sprocket being further connected to the driving motor, driven by the driving motor, The lifting mechanism drives the dynamic sealing strip to translate up and down.
  • the height of the dynamic sealing strip up and down is less than or equal to the height of the edge of the suction opening from the surface to be cleaned.
  • the present invention also provides a ground treatment device, comprising a cleaning head, a vacuum source and a dust collecting chamber, the bottom of the cleaning head is provided with a dust suction port, and the dust collecting chamber and the dust suction port are connected through a dust collecting passage, the suction One side of the dust port is provided with a dynamic seal, the dynamic seal comprises an actuating member and a dynamic sealing strip, and a gap between the dynamic sealing strip and the edge of the suction opening and/or the working surface to be cleaned forms an air inlet, the dynamic The sealing strip is moved by the actuating member to dynamically change the area of the air inlet.
  • the present invention provides a dynamic sealing member through the dust suction port of the cleaning robot or the ground treatment device, which can ensure sufficient vacuum at the suction port and can not make the dynamic sealing member It will prevent the dust particles from reaching the dust suction port, and the structure is simple, which improves the cleaning efficiency.
  • FIG. 1 is a schematic view showing the structure of a cleaning robot according to an embodiment of the present invention.
  • FIG. 2 is a side view of a cleaning robot according to an embodiment of the present invention.
  • FIG. 3 is a schematic view showing a partial structure of a dust suction port according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a dynamic seal according to an embodiment of the present invention.
  • Figure 5 is a schematic view showing the position of the swinging angle of the dynamic seal according to the embodiment of the present invention:
  • FIG. 6 is a schematic structural view of an actuator according to an embodiment of the present invention. detailed description
  • FIG. 1 is a schematic structural view of a cleaning robot according to an embodiment of the present invention
  • FIG. 2 is a schematic side view of a cleaning robot according to an embodiment of the present invention.
  • the present invention provides a cleaning robot including a robot body 100.
  • the body 100 is provided with a driving wheel 110.
  • the bottom of the body 100 is provided with a dust suction port 120. If the direction A of the cleaning robot is set to the front, a static sealing strip 130 is disposed at the rear and both sides of the dust suction port 120, and the lower edge of the static sealing strip 130 extends toward the surface to be cleaned;
  • a dynamic seal 140 is also provided in front of the 120.
  • FIG. 3 is a partial structural view of a dust suction port according to an embodiment of the present invention
  • FIG. 4 is a schematic structural view of a dynamic sealing member according to an embodiment of the present invention.
  • the dynamic seal 140 includes an actuating member 141 and a dynamic seal strip 142.
  • the gap between the dynamic sealing strip 142 and the edge of the dust suction opening 120 and/or the cleaning surface B to be cleaned forms an air inlet (not shown), and the dynamic sealing strip 142 is moved by the actuating member 141, so that The area of the air inlet is dynamically changed.
  • the lower edge of the static sealing strip 130 may leave a gap between the lower working surface B and the surface to be cleaned.
  • the lower edge of the static sealing strip 130 may also be in contact with the work surface B to be cleaned.
  • the actuating member 141 in this embodiment is a roller located at both ends of the dynamic sealing strip 142 and fixedly connected thereto, and the roller is rolled on the cleaning surface B to be cleaned by the cleaning robot.
  • the position and structure of the roller can also be changed according to the structure of the cleaning robot.
  • the rolling of the roller can be actively moved by a driving device such as a motor, or can be passively moved as the cleaning robot walks as described above. .
  • the dynamic sealing strip 142 is disposed coaxially with the roller; in order to dynamically change the area of the air inlet without affecting the walking of the cleaning robot, the height of the dynamic sealing strip 142 is less than or equal to the diameter of the roller. can.
  • the height of the dynamic sealing strip 142 is not limited to less than or equal to the diameter of the roller. If the dynamic sealing strip is made of a soft material such as soft rubber, the height may be greater than the diameter of the roller.
  • FIG. 5 is a schematic view showing the position of a swinging angle of a dynamic seal according to Embodiment 2 of the present invention.
  • the dynamic sealing strip 142 is a sealing sheet, and the sealing sheet is disposed at the front of the dust suction port 120.
  • the top of the body is rotatably connected to the bottom of the body 100, and the sealing piece is swung by the driving motor.
  • the dynamic sealing strip 142 in the dynamic seal 140 can also be rotatably coupled to the bottom of the body 100 by a pivot 143.
  • the actuating member includes a pivot 143 and a drive motor (not shown) coupled thereto, and the dynamic seal 142 is rotated or oscillated about the pivot 143 by the drive motor.
  • the dynamic sealing strip 142 is rotated about the pivot 143, the rotation of the dynamic sealing strip 142
  • the direction is the same as the direction of rotation of the drive wheel 110 when the cleaning robot advances.
  • FIG. 5 when the dynamic sealing strip 142 is swung around the pivot 143, its swing angle is ⁇ , and -90 ° a +90 °.
  • FIG. 6 is a schematic structural view of an actuating member according to a third embodiment of the present invention.
  • the actuating member may also be a lifting mechanism 200.
  • the lifting mechanism 200 includes a sprocket 201 and a chain 202.
  • the chain 202 is connected to a sprocket 201 and a dynamic sealing strip 142, respectively.
  • the 201 is also coupled to a drive motor (not shown) that is driven by the drive motor to drive the dynamic seal 142 up and down.
  • the height of the upper and lower translation of the dynamic sealing strip 142 is less than or equal to the height of the edge of the suction opening from the surface to be cleaned.
  • the dynamic sealing strip 142 in this embodiment may also be the sealing sheet in the second embodiment, but the difference from the second embodiment is that the sealing sheet can be disposed up and down in the front portion of the dust suction port 120,
  • the driving motor drives the sealing piece to translate up and down.
  • the difference between this embodiment and the foregoing three embodiments is that actuators of different structural forms are employed.
  • the actuating member in this embodiment includes an elastic member and a cam which are coupled to the body 100 and the dynamic sealing strip 142, respectively.
  • the dynamic sealing strip 142 is connected to the driving motor through a cam.
  • the cam rotates under the driving of the driving motor.
  • the cam member cooperates with the elastic member, and the cam presses the dynamic sealing strip 142 downward, and the elastic member pulls up the dynamic.
  • the sealing strip 142 the change in the height of the cam acts on the dynamic sealing strip 142 to change its position.
  • Embodiment 5 It can be understood that, besides the structures mentioned in the above four embodiments, those skilled in the art can realize the dynamic adjustment of the cross-sectional area of the air inlet in the vertical direction by setting other structures to realize the positional change of the dynamic sealing strip. .
  • Embodiment 5 It can be understood that, besides the structures mentioned in the above four embodiments, those skilled in the art can realize the dynamic adjustment of the cross-sectional area of the air inlet in the vertical direction by setting other structures to realize the positional change of the dynamic sealing strip.
  • the present invention also provides a ground treatment device, comprising a cleaning head, a vacuum source and a dust collecting chamber, the bottom of the cleaning head is provided with a dust suction port, and the dust collecting chamber and the dust suction port are connected through a dust collecting passage, the suction One side of the dust port is provided with a dynamic seal, the dynamic seal comprises an actuating member and a dynamic sealing strip, and a gap between the dynamic sealing strip and the edge of the suction opening and/or the working surface to be cleaned forms an air inlet, the dynamic The sealing strip is moved by the actuating member to dynamically change the area of the air inlet.
  • the dynamic seal moves with the ground treatment device
  • the sealing piece on the dynamic seal adjusts the size of the front inlet of the suction port according to the angle relative to the ground.
  • the inlet is the largest, and the larger garbage particles can be
  • the air inlet enters the dust suction port; when the sealing piece is perpendicular to the ground, the air inlet is the smallest, the suction is the largest, and the garbage that is difficult to remove in the dust suction port and the dust suction passage can be removed.
  • the present invention completes the sealing of the air inlet of the cleaning robot or the ground processing device by the combination of the dynamic sealing member and the static sealing strip, and the static sealing strip is always kept sealed, while the dynamic sealing member is
  • the position of the dynamic seal is dynamically changed by various means such as rotation, swing or up-and-down translation.
  • the static seal is always sealed, the dynamic seal seals the suction port intermittently, increasing And the suction at the air inlet is increased, and at the same time, the large garbage is not pushed away because the suction port is too small.
  • the utility model not only ensures sufficient vacuum degree at the dust suction port, but also prevents the dynamic sealing member from hindering the dust garbage particles from reaching the dust suction port, and has the advantages of simple structure, convenient operation and improved work efficiency.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)

Abstract

一种清扫机器人,包括机器人机体(100)。机体(100)上设有驱动轮(110),机体(100)底部设有吸尘口(120)。以清扫机器人的行走方向为前方(A),吸尘口(120)的后方和两侧均设有静态密封条(130)。静态密封条(130)的下缘向待清扫工作面(B)延伸。吸尘口(120)的前方设有动态密封件(140)。该动态密封件(140)包括致动件(141)和动态密封条(142)。动态密封条(142)与吸尘口(120)边缘和/或待清扫工作面(B)之间的空隙形成进风口。所述动态密封条(142)在致动件(141)的带动下运动,使所述进风口的面积动态变化。通过在吸尘口(120)设有动态密封件(140),既能保证吸尘口(120)处具有足够的真空度,又能使该动态密封件(140)不会阻碍灰尘垃圾颗粒到达吸尘口(120)处,结构简单且提高了清洁效率。

Description

清扫机器人和地面处理装置 技术领域
本发明涉及一种清扫机器人和地面处理装置, 属于小家电制造技术领域。 背景技术
清扫机器人是新兴的家用电器, 它可以在行走的同时自动完成地面的清扫工作。 清扫机器人通过安装在主体内的电机产生的吸力从待清洁表面吸入灰尘, 为了保证在 待清洁表面和吸入口之间具有足够的真空度, 通常在吸尘口处设置密封条。
如果设定行走方向为前方, 市场上现有的清扫机器人一般仅在吸尘口的后方以及 两侧装有密封条, 此结构的不足之处在于: 吸尘口的前部不密封, 大大降低了吸尘器 的真空度, 一些难于清除的灰尘会堆积在吸尘口以及吸尘通道内, 吸尘效果差。 然而, 如果清扫机器人吸尘口的前部设置密封条, 在清扫过程中, 该密封条会阻碍灰尘或碎 屑物等垃圾到达吸尘口处, 影响进一步的清除。 清扫机器人一般由可充电电池供电, 如果单方面依靠提高吸尘功率来提高吸尘真空度, 将导致吸尘器的工作时间缩短。 发明内容
本发明所要解决的技术问题在于针对现有技术的不足, 提供一种清扫机器人和地 面处理装置, 该清扫机器人或地面处理装置的吸尘口设有动态密封件, 该动态密封件 即能保证吸尘口处具有足够的真空度, 又能使该动态密封件不会阻碍灰尘垃圾颗粒到 达吸尘口处, 结构简单, 提高了清洁效率。
本发明的所要解决的技术问题是通过如下技术方案实现的:
一种清扫机器人, 包括机器人机体, 机体上设有驱动轮, 机体底部设有吸尘口, 以清扫机器人的行走方向为前方, 吸尘口的后方和两侧均设有静态密封条, 静态密封 条的下缘向待清扫工作面延伸, 所述吸尘口的前方设有动态密封件, 该动态密封件包 括致动件和动态密封条, 动态密封条与吸尘口边缘和 /或待清扫工作面之间的空隙形成 进风口, 所述动态密封条在致动件的带动下运动, 使所述进风口的面积动态变化。
为了提高吸尘口的真空度, 所述静态密封条的下缘与待清扫工作面保持接触。 所述致动件为位于所述动态密封条两端且与其固定连接的滚轮, 滚轮在所述待清 扫工作面上随清扫机器人的行走而滚动。 所述动态密封条与所述滚轮同轴设置。
优选地, 所述动态密封条的高度小于或等于所述滚轮的直径。
根据需要, 所述动态密封条还可以通过枢轴可旋转地连接在所述机体底部, 所述 致动件包括所述枢轴以及与其相连的驱动电机, 在该驱动电机的驱动下, 动态密封条 以所述枢轴为中心旋转或摆动。
当所述动态密封条以所述枢轴为中心旋转时, 所述动态密封条的旋转方向与清扫 机器人前进时所述驱动轮的旋转方向相同; 当所述动态密封条以所述枢轴为中心摆动 时, 所述动态密封件的摆动角度为 α, 且 -90 ° α +90 ° 。
所述致动件还可以为升降机构, 该升降机构包含链条和链轮, 所述链条分别与链 轮和动态密封条相连, 所述链轮还与驱动电机相连, 在驱动电机的驱动下, 所述升降 机构带动动态密封条上下平移。
所述动态密封条上下平移的高度小于或等于吸尘口边缘距离待清扫工作面的高 度。
本发明还提供一种地面处理装置, 包括清洁头、 真空源和集尘室, 所述清洁头底 部设有吸尘口, 所述集尘室和吸尘口通过集尘通道相连, 所述吸尘口的一侧设有动态 密封件, 该动态密封件包括致动件和动态密封条, 动态密封条与吸尘口边缘和 /或待清 扫工作面之间的空隙形成进风口, 所述动态密封条在致动件的带动下运动, 使所述进 风口的面积动态变化。
综上所述, 本发明通过在清扫机器人或地面处理装置的吸尘口设有动态密封件, 该动态密封件即能保证吸尘口处具有足够的真空度, 又能使该动态密封件不会阻碍灰 尘垃圾颗粒到达吸尘口处, 结构简单, 提高了清洁效率。
下面结合附图和具体实施例, 对本发明的技术方案进行详细地说明。 附图说明
图 1为本发明实施例 清扫机器人结构示意图
图 2为本发明实施例 清扫机器人侧面示意图
图 3为本发明实施例 吸尘口局部结构示意图
图 4为本发明实施例 动态密封件结构示意图
图 5为本发明实施例 动态密封件的摆动角度位置示意图:
图 6为本发明实施例 致动件结构示意图。 具体实施方式
实施例一
图 1为本发明实施例一清扫机器人结构示意图; 图 2为本发明实施例一清扫机器 人侧面示意图。 如图 1并结合图 2所示, 本发明提供一种清扫机器人, 包括机器人机 体 100, 机体 100上设有驱动轮 110, 机体 100的底部设有吸尘口 120。 如果将清扫机 器人的行走的朝向 A 设定为前方, 则在吸尘口 120 的后方和两侧均设有静态密封条 130, 静态密封条 130的下缘向待清扫工作面延伸; 吸尘口 120的前方还设有动态密封 件 140。
图 3为本发明实施例一吸尘口局部结构示意图, 图 4为本发明实施例一动态密封 件结构示意图。 如图 3并结合图 4所示, 该动态密封件 140包括致动件 141和动态密 封条 142。 动态密封条 142与吸尘口 120边缘和 /或待清扫工作面 B之间的空隙形成进 风口 (图中未示出), 所述动态密封条 142在致动件 141的带动下运动, 使所述进风口 的面积发生动态的变化。 静态密封条 130的下缘可以与待清扫工作面 B之间留一点缝 隙。 当然, 为了提高吸尘口 120的真空度, 静态密封条 130的下缘也可以与待清扫工 作面 B保持接触。 如图 4所示, 本实施例中的致动件 141为位于所述动态密封条 142 两端且与其固定连接的滚轮, 滚轮在所述待清扫工作面 B上随清扫机器人的行走而滚 动。 滚轮的位置和结构也可以根据清扫机器人的结构需要进行相应地改变, 滚轮的滚 动既可以是通过电机等驱动装置使其主动运动的, 也可以使如上所述随清扫机器人的 行走而被动运动的。 为了使动作方便, 所述动态密封条 142与滚轮同轴设置; 为了使 进风口的面积发生动态的变化,同时不对清扫机器人的行走造成影响,动态密封条 142 的高度小于或等于滚轮的直径即可。 当然, 动态密封条 142的高度并不仅限于小于或 等于滚轮的直径, 若动态密封条采用软胶等柔性材质, 其高度亦可大于滚轮的直径。 实施例二
图 5为本发明实施例二动态密封件的摆动角度位置示意图。 对照图 3并结合图 5 所示, 本实施例与实施例一的不同之处在于, 在本实施中, 动态密封条 142为一密封 片, 该密封片设置在吸尘口 120的前部, 其顶部与机体 100底部可旋转地连接, 由驱 动电机带动该密封片摆动。 具体来说, 动态密封件 140中的动态密封条 142还可以通 过枢轴 143可旋转地连接在所述机体 100的底部。 致动件包括枢轴 143以及与其相连 的驱动电机(图中未示出), 在该驱动电机的驱动下, 动态密封条 142以枢轴 143为中 心旋转或摆动。 当动态密封条 142以枢轴 143为中心旋转时, 动态密封条 142的旋转 方向与清扫机器人前进时驱动轮 110的旋转方向相同。 结合图 5所示, 当动态密封条 142以枢轴 143为中心摆动时, 其摆动角度为 α, 且 -90 ° a +90 ° 。 实施例三
图 6为本发明实施例三致动件结构示意图。 如图 6所示, 所述致动件还可以为升 降机构 200, 该升降机构 200包含链轮 201和链条 202, 所述链条 202分别与链轮 201 和动态密封条 142相连, 所述链轮 201还与驱动电机 (图中未示出) 相连, 在驱动电 机的驱动下, 所述升降机构 200带动动态密封条 142上、下平移。所述动态密封条 142 上、 下平移的高度小于或等于吸尘口边缘距离待清扫工作面高度。
本实施例中所述动态密封条 142也可以为实施例二中的密封片, 但与实施例二的 不同之处在于, 该密封片可上下平移地设置在吸尘口 120的前部, 由驱动电机带动该 密封片上下平移。 实施例四
本实施例与前述三个实施例的差别在于, 采用了不同结构形式的致动件。 本实施 例中的致动件包括弹性件和凸轮, 该弹性件分别与机体 100和动态密封条 142相连。 动态密封条 142通过凸轮与驱动电机相连, 在驱动电机的驱动下凸轮转动, 凸轮面在 其转动过程中, 与弹性件相互配合作用, 凸轮向下压动态密封条 142, 同时弹性件向 上拉动态密封条 142, 凸轮不同高度的变化作用于动态密封条 142上, 使其位置发生 变化。
可以理解, 除了上述四个实施例中所提到的结构, 本领域技术人员还可以通过设 置其他结构, 实现动态密封条的位置变化, 从而实现对进风口在垂直方向上的截面面 积的动态调整。 实施例五
本发明还提供一种地面处理装置, 包括清洁头、 真空源和集尘室, 所述清洁头底 部设有吸尘口, 所述集尘室和吸尘口通过集尘通道相连, 所述吸尘口的一侧设有动态 密封件, 该动态密封件包括致动件和动态密封条, 动态密封条与吸尘口边缘和 /或待清 扫工作面之间的空隙形成进风口, 所述动态密封条在致动件的带动下运动, 使所述进 风口的面积动态变化。
较佳地, 在地面处理装置的工作过程中, 动态密封件随着地面处理装置的行走转 动, 动态密封件上的密封片根据其相对于地面的角度不同调整吸尘口前部进气口的大 小, 当密封片与地面平行时, 进气口最大, 较大的垃圾颗粒可以由该进气口进入吸尘 口; 当密封片与地面垂直时, 进气口最小, 吸力最大, 吸尘口以及吸尘通道内较难清 除的垃圾可以被清除。 综合上述五个实施例的内容, 本发明通过动态密封件和静态密封条的组合, 来完 成对清扫机器人或地面处理装置的进风口的密封, 静态密封条一直保持密封状态, 而 动态密封件则通过转动、 摆动或上下平动等多种方式处于改变状态, 动态密封件的这 种位置动态的变化, 在静态密封条一直处于密封的状态下, 由动态密封件间歇地密封 吸尘口, 增加且增大了进风口处的吸力, 同时又不会因吸尘口太小而使较大的垃圾被 推走。 既保证了吸尘口处具有足够的真空度, 又使动态密封件不会阻碍灰尘垃圾颗粒 到达吸尘口, 结构简单、 操作方便且提高了工作效率。

Claims

权利要求书
1、 一种清扫机器人, 包括机器人机体 (100), 机体上设有驱动轮 (110), 机体底 部设有吸尘口 (120), 以清扫机器人的行走方向为前方 (A), 吸尘口的后方和两侧均 设有静态密封条 (130), 静态密封条的下缘向待清扫工作面 (B ) 延伸, 其特征在于, 所述吸尘口 (120) 的前方设有动态密封件 (140), 该动态密封件包括致动件 (141 ) 和动态密封条(142), 动态密封条(142)与吸尘口 (120)边缘和 /或待清扫工作面(B ) 之间的空隙形成进风口, 所述动态密封条 (142) 在致动件 (141 ) 的带动下运动, 使 所述进风口的面积动态变化。
2、 如权利要求 1所述的清扫机器人, 其特征在于, 所述静态密封条 (130) 的下 缘与待清扫工作面 (B ) 保持接触。
3、 如权利要求 1所述的清扫机器人, 其特征在于, 所述致动件 (141 ) 为位于所 述动态密封条(142)两端且与其固定连接的滚轮, 滚轮在所述待清扫工作面上随清扫 机器人的行走而滚动。
4、 如权利要求 3所述的清扫机器人, 其特征在于, 所述动态密封条 (142) 与所 述滚轮同轴设置。
5、 如权利要求 3所述的清扫机器人, 其特征在于, 所述动态密封条 (142) 的高 度小于或等于所述滚轮的直径。
6、 如权利要求 1所述的清扫机器人, 其特征在于, 所述动态密封条 (142) 通过 枢轴 (143 ) 可旋转地连接在所述机体 (100) 底部, 所述致动件 (141 ) 包括所述枢轴 ( 143 ) 以及与其相连的驱动电机, 在该驱动电机的驱动下, 动态密封条 (142) 以所 述枢轴 (143 ) 为中心旋转或摆动。
7、 如权利要求 6所述的清扫机器人, 其特征在于, 所述动态密封条 (142) 以所 述枢轴 (143 ) 为中心旋转, 所述动态密封条 (142) 的旋转方向与清扫机器人前进时 所述驱动轮 (110) 的旋转方向相同。
8、 如权利要求 6所述的清扫机器人, 其特征在于, 所述动态密封条 (142) 以所 述枢轴 (143) 为中心摆动, 所述动态密封条 (142) 的摆动角度为 α, 且 -90° α +90° 。
9、如权利要求 1所述的清扫机器人, 其特征在于, 所述致动件为升降机构(200), 该升降机构(200)包含链轮(201)和链条(202), 所述链条(202)分别与链轮(201) 和动态密封条 (142) 相连, 所述链轮 (201) 还与驱动电机相连, 在驱动电机的驱动 下, 所述升降机构 (200) 带动动态密封条上下平移。
10、 如权利要求 9所述的清扫机器人, 其特征在于, 所述动态密封条 (142) 上下 平移的高度小于或等于吸尘口边缘距离待清扫工作面的高度。
11、 一种地面处理装置, 包括清洁头、 真空源和集尘室, 所述清洁头底部设有吸 尘口, 所述集尘室和吸尘口通过集尘通道相连, 其特征在于, 所述吸尘口的一侧设有 动态密封件, 该动态密封件包括致动件和动态密封条, 动态密封条与吸尘口边缘和 / 或待清扫工作面之间的空隙形成进风口, 所述动态密封条在致动件的带动下运动, 使 所述进风口的面积动态变化。
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