WO2015184931A1 - 清洁装置 - Google Patents

清洁装置 Download PDF

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Publication number
WO2015184931A1
WO2015184931A1 PCT/CN2015/077190 CN2015077190W WO2015184931A1 WO 2015184931 A1 WO2015184931 A1 WO 2015184931A1 CN 2015077190 W CN2015077190 W CN 2015077190W WO 2015184931 A1 WO2015184931 A1 WO 2015184931A1
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WO
WIPO (PCT)
Prior art keywords
dust
cleaning device
roller brush
opening
dust bucket
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Application number
PCT/CN2015/077190
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English (en)
French (fr)
Inventor
周红波
Original Assignee
苏州科沃斯商用机器人有限公司
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Application filed by 苏州科沃斯商用机器人有限公司 filed Critical 苏州科沃斯商用机器人有限公司
Publication of WO2015184931A1 publication Critical patent/WO2015184931A1/zh

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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
    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters

Definitions

  • the invention relates to a cleaning device and belongs to the technical field of small household appliances.
  • roller brush system to clean the plane (usually the ground or glass), because the cleaning surface is basically flat, even when a small number of protrusions are lifted, the brushed uncleaned area It can also be ignored, so the roller brush and dust bucket cleaning system are generally fixed (as shown in Figure 1).
  • the roller brush assembly is designed as a small-amplitude swinging component.
  • the roller brush assembly will swing down to better adapt to the complicated ground and achieve better cleaning results.
  • the sealed connection between the roller brush assembly and the dust box will be broken, which will affect the dust collection effect.
  • Chinese Patent Publication No. CN 103491839A discloses a self-moving robot comprising a cleaning head and a dust box with a face seal seal between them.
  • the cleaning head is mainly composed of a roller, a vacuum inlet, and a central plenum, and the vacuum inlet is connected to the central plenum by an annular seal.
  • the roller is fixedly attached to the gearbox and the gearbox is coupled to the frame by a four-bar linkage that is "floating" relative to the frame.
  • a four-bar linkage that is "floating" relative to the frame.
  • the present invention provides a cleaning device to solve the problem that the cleaning effect is poor when the surface protrusions are large, the sealing connection is broken, and the structure is complicated.
  • the invention provides a cleaning device, comprising a cleaning device body, a roller brush assembly and a dust bucket.
  • the roller brush assembly is connected with the dust bucket through a dust discharge pipe, and the dust bucket is further provided with a rotating shaft through which the dust bucket is rotatable.
  • the utility model is hinged to the cleaning device body, and the roller brush assembly is fixedly connected with the dust bucket and can rotate relative to the cleaning device body about the rotating shaft.
  • the cleaning device is provided with a limiting mechanism for limiting the rotation range of the roller assembly and the dust bucket fixedly connected.
  • the limiting mechanism includes at least one limiting post disposed on the roller brush assembly and disposed on the cleaning device body
  • the roller brush track bracket is provided with a track corresponding to the limit column, and the limit column moves within a range of the track limit.
  • the limiting mechanism includes a cleaning device body and a receiving cavity for accommodating the dust bucket on the body of the cleaning device, and a gap is left between the bottom of the receiving cavity and the bottom of the dust bucket, the cleaning device
  • the upper casing of the body and the bottom surface of the accommodating cavity respectively form upper and lower limit planes.
  • the bottom of the dust bucket is inclined, the bottom surface of the accommodating cavity is a horizontal plane, and the bottom surface of the dust bucket is at an angle of 3°-10° to the bottom surface of the accommodating cavity.
  • the bottom surface of the accommodating cavity is provided with a dust outlet tube insertion opening
  • the rotating shaft is located at a diagonal position away from the insertion opening of the dust exhausting pipe, and the dust discharging pipe passes through the dust collecting pipe insertion opening and the dust bucket
  • the connection is fixed by a locking mechanism, and the dust discharge duct provides support for the dust bucket.
  • the locking mechanism includes a locking hook on the dust bucket, a opening and closing handle, a return spring and a buckle on the dust discharging pipe, and the locking hook is rotatably hinged to the dust bucket, under the elastic force of the return spring, The locking hook is locked with the buckle, and the opening and closing handle is pushed to be in an open position, and the locking hook will be released.
  • the opening and closing handle is coaxial with the locking hook.
  • the opening and closing handle acts on the locking hook through the opening and cooperation surface, so that the locking hook is separated from the locking buckle;
  • the opening and closing handle is moved away from the dust bucket, and the opening cooperation surface on the opening and closing handle is separated from the opening cooperation surface on the locking hook.
  • the roller brush assembly includes a roller brush holder, and a front end surface of the roller brush holder is a sloped surface.
  • the roller brush assembly is hinged with the dust discharge pipe, so that the roller brush assembly can be rotated at a certain angle with respect to the dust discharge pipe.
  • the cleaning device further includes a dust-discharging pipe bracket, and the dust-discharging pipe is mounted on the dust-discharging pipe bracket and fixed thereto;
  • the roller brush assembly includes a roller brush bracket, a roller brush, and a roller brush cover
  • the dust collecting pipe bracket is located between the rolling brush bracket and the rolling brush, and the rolling brush bracket is sleeved on the dust collecting pipe bracket, and the rotating shaft bracket is hinged between them .
  • the bottom of the cleaning device body is further provided with two or more inverted trapezoidal protrusions, two of which are respectively located at the front end and the rear end of the body.
  • the present invention effectively solves the problem that the dust-collecting pipe is difficult to seal and connect with the dust bucket when it is floating with the rotating shaft, and the structure of the roller-roller assembly is complicated.
  • the invention has simple and effective structure and good cleaning effect.
  • Figure 1 is a schematic cross-sectional view of a prior art cleaning device in a plane
  • Figure 2 is a schematic cross-sectional view showing a prior art cleaning device when it is lifted up by a projection on a plane;
  • Figure 3 is a schematic overall view of a dust bucket of the cleaning device of the present invention.
  • Figure 4 is a schematic cross-sectional view of the cleaning device of the present invention on a plane
  • Figure 5 is an exploded view of the portion of the brush assembly of the cleaning device of the present invention.
  • Figure 6 is a schematic view of the limiting mechanism on the brush assembly of the cleaning device of the present invention.
  • Figure 7 is a schematic cross-sectional view showing the cleaning device of the present invention when it is lifted up by a projection on a plane;
  • Figure 8 is a schematic cross-sectional view showing the cleaning device of the present invention when it is recessed
  • Figure 9 is a partial schematic view of the locking mechanism of the cleaning device of the present invention.
  • Figure 10 is a cross-sectional view showing the connection of the cleaning device lock and the opening and closing handle of the present invention.
  • Figure 11 is a schematic cross-sectional view showing the cleaning device of the present invention when the lock is locked
  • Figure 12 is a schematic cross-sectional view showing the cleaning device of the present invention when the lock is opened.
  • the vacuum cleaner of the prior art is mainly composed of a roller brush 11, a dust box 12 and a dust suction fan 13, and the roller brush 11 and the dust box 12 are connected by a dust suction pipe 14, and the dust box 12 is sucked.
  • the dust blower 13 is connected, and the roller brush 11 is fixed.
  • the roller brush 11 cannot contact the cleaning surface, which seriously affects the cleaning effect (as shown in FIG. 2).
  • FIG. 3 is a schematic view of a dust bucket of the cleaning device of the present invention
  • FIG. 4 is a schematic cross-sectional view of the cleaning device of the present invention in a flat state, as shown in FIGS. 3 and 4, which is mainly composed of a roller brush assembly 21, a dust bucket assembly and vacuuming.
  • the device (not shown) is composed.
  • the dust bucket assembly is connected to the vacuuming device and located in the body 23, and the dust bucket assembly is provided by the dust bucket 22, the dust outlet pipe insertion opening 221 disposed on the bottom surface of the dust bucket 22, the locking hook 222, the opening and closing handle 223, and the dust-removing pipe away from the dust collecting pipe.
  • a rotating shaft 224 and the like are disposed at a diagonal position of the insertion opening 221, and the dust bucket 22 is rotatably hinged to the cleaning device body 23 through the rotating shaft 224, and the roller brush assembly 21 is fixedly connected to the dust bucket 22 integrally. And it is rotatable relative to the cleaning device body about the rotating shaft 224.
  • the so-called fixed connection means that the roller brush assembly 21 and the dust bucket 22 are fixedly connected to two ends of a rigid intermediate member, respectively, or the dust bucket 22 is fixedly connected to one end of the rigid intermediate member, and the roller brush assembly 21 and the rigid intermediate member are The other end is hinged.
  • the rigid intermediate member may be a dust extraction duct 24, or a rigid intermediate member may be additionally provided.
  • the rotating shaft 224 is composed of a round rod located at one end of the dust bucket.
  • the body 23 has a bottom surface horizontal accommodating cavity 225 for accommodating the dust bucket 22, and the round bar is mounted on the rod frame of the accommodating cavity 225 (not shown), and the round bar can be Rotate around the rod holder.
  • the bottom of the accommodating cavity 225 has a gap with the bottom of the dust bucket, and the bottom of the dust bucket 22 is inclined at an angle with the horizontal bottom surface of the accommodating cavity 225, and the upper shell of the cleaning device body 23
  • the bottom surface of the body 232 and the accommodating cavity 225 respectively form upper and lower limit planes, and the clips described in this embodiment The angle is limited by the upper and lower planes to an angle of 3°-10°.
  • the position of the dust duct insertion opening 221 may be appropriately adjusted as needed, and may be provided, for example, on the side surface of the dust bucket 22.
  • the position of the rotating shaft 224 is not necessarily located at a diagonal position away from the insertion opening 221, and those skilled in the art can design the position of the rotating shaft as needed, for example, the position of the dust bucket 22 in the middle of the dust bucket 22 is reasonable.
  • the load bearing of the roller brush assembly 21 is configured.
  • the bottom of the body 23 has a cavity (not shown) corresponding to the roller brush assembly 21 for accommodating the roller brush assembly 21.
  • the roller brush assembly 21 includes a roller brush holder 211, two front and rear roller brushes and a roller cover plate 213 that rotate in opposite directions.
  • the vertical paper faces inward, the front roller is on the left side and rotates counterclockwise, and the back roller brush is on the right side and rotates clockwise.
  • the roller brush 212 is mounted on the roller brush holder 211, and the roller brush cover 213 is fixed to the roller brush holder 211 to form a roller brush assembly 21 together with the roller brush 211.
  • a dust pipe bracket rotating shaft mounting hole 243 is disposed near the center of both ends of the dust pipe bracket 241 and the roller brush bracket 211, and one of the two ends of the dust collecting pipe bracket rotating shaft 242 is respectively installed on the dust collecting pipe bracket
  • the rotating shaft mounting hole 243 allows the roller brush assembly 21 to be rotated relative to the dust collecting pipe bracket 241 and thus to a certain angle with respect to the dust discharging pipe 24 fixedly mounted on the dust collecting pipe bracket 241.
  • the roller brush 212 is driven by the brush gear box 214, and a gap 215 is formed between the two roller brushes 211 so that dust can enter the dust discharge duct 24 through the gap 215.
  • the dust discharge duct 24 is inserted into the insertion port 221 of the dust bucket assembly away from one end of the roller brush assembly 21, and the dust discharge duct 24 is fixedly connected to the dust bucket 22 by a locking mechanism.
  • a gasket may be added between the dust outlet duct 24 and the insertion opening 221 to seal them.
  • the locking mechanism includes a locking hook 222 and an opening and closing handle 223 on the dust bucket 22, a locking 244 on the dust discharging pipe and a return spring 245, and the locking hook 222 passes the locking hook.
  • the rotating shaft 226 is rotatably hinged to the dust bucket 22, and in the normal state, under the elastic force of the return spring 245, the locking hook 222 is locked with the locking buckle 244, so that the dust discharging pipe 24 and the dust bucket 22 are locked and fixed.
  • the locked overall can rotate with the shaft 224. Since the roller brush assembly 21 is rotatably coupled to the dust discharge duct 24 at a certain angle, the roller brush assembly 21 also rotates around the rotary shaft 224 together with the dust collecting duct 22 which is integrally coupled with the dust discharge duct 24.
  • the dust discharge pipe 24 Because of the special function of the dust discharge pipe 24, it generally adopts a rigid and wear-resistant material, such as PP, ABS material, etc., which can provide support for the dust bucket 22.
  • the dust discharge duct 24 fixedly connected to the dust bucket 22 supports the dust bucket 22 having one end of the dust duct insertion opening 221, and the dust bucket 22 is under the action of the upper and lower limit planes.
  • the angle between the bottom surface and the horizontal bottom surface of the accommodating chamber 225 is limited to 3-10°.
  • the lower limit surface that is, the bottom surface of the accommodating cavity restricts the dust bucket and further restricts the roller brush assembly integrally connected with the dust bucket to fall at most 20 mm
  • the upper limit surface that is, the upper casing 232 of the body 23, limits the roller brush assembly to a maximum of 5 mm.
  • the accommodating chamber 225 and the body 23 together form a limiting mechanism that limits the range of rotation of the roller assembly 21.
  • the aforementioned rigid intermediate member may be a dust duct 24, and if the dust duct 24 is flexible, a rigid intermediate member may be additionally provided to fix the roller brush assembly 21 to the dust bucket 22.
  • the connection is integrated, at which time the dust bucket 22 is fixedly coupled to the rigid intermediate member, and the roller brush assembly 21 is fixedly coupled or hinged to the rigid intermediate member.
  • the bottom surface of the accommodating cavity 225 does not have to be horizontal, as long as it defines the range of rotation of the roller brush assembly 21 relative to the rotating shaft 224.
  • this purpose can also be achieved by other limiting mechanisms, as shown in FIG.
  • the limiting mechanism includes a limiting seat 215 and a roller brush rail bracket 216.
  • the limiting seat 215 is connected to the roller brush bracket 211 of the roller brush assembly 21, and the roller rail bracket 216 is fixed to the body 23.
  • the limiting seat 215 has at least one limiting post 217, and the rolling rail bracket 216 is provided with a track matching the limiting post 217, and the limiting post 217 is located in the track, and the range of the rail limitation The inner movement restricts the range of rotation of the roller brush assembly 21 relative to the rotating shaft 224.
  • the roller brush assembly 21 When the machine is on a flat surface, the roller brush assembly 21 is attached to the ground by its own weight. When the machine is jacked up or recessed by the projections 15 on the plane, as shown in FIGS. 7 and 8, the roller assembly 21 and the dust drum assembly fixedly coupled together are rotated downward relative to the body 23 by the self-revolving shaft 224. At the same time, the roller brush assembly 21 can rotate within a certain range with respect to the dust-discharging pipe bracket 241, so that when the protrusion or the recess is encountered during the rotation, whether the roller brush assembly 21 is climbing, descending or flat The state is always as close as possible to the ground, and the cleaning effect of the obstacle area is thus ensured.
  • connection manner of the brush assembly 21 and the dust discharge pipe can also be fixedly connected without hinges, so that some performance can be sacrificed in exchange for cost advantages.
  • the front end surface 218 of the roller brush holder of the roller brush assembly 21 is an upwardly inclined inclined surface, and the left and right end surfaces are also upwardly inclined slopes (not shown), that is, the front side and the left and right sides of the brush assembly are further downward.
  • the front end face and the left and right end faces of the roller brush assembly 21 are beveled surfaces, when the roller brush assembly 21 hits the projections 15 during operation, the projections 15 are more conveniently swept by the bevels.
  • the above method can eliminate the problem that the cleaning component cannot contact and clean the surface to be cleaned when the machine is jacked up.
  • the bottom of the cleaning device body 23 is further provided with two or more inverted trapezoidal protrusions 231, and two of the protrusions 231 are respectively located at the front end and the rear end of the body.
  • the function is the same as the front side of the roller brush assembly and the end faces of the left and right sides, which are convenient for passing over the protrusions.
  • the present invention locks the dust duct 24 and the dust bucket assembly integrally with the rotating shaft 224, the sealed connection between the dust collecting duct 24 and the dust bucket assembly is not problematic because it is not necessary to be considered to be subjected to the rotational force and A sealing problem in the state of a combination of translational forces.
  • the lock hook 222 can be released by pushing the opening and closing handle 223 to be in the open position, so that the dust bucket assembly and the roller brush assembly 21 are disengaged to achieve the purpose of separating them.
  • Fig. 10 is a schematic view showing the structure of the opening and closing handle of the dust bucket of the present invention.
  • the return spring 245 is omitted from the drawing, and Fig. 11 and Fig. 12 are also the same.
  • the opening and closing handle 223 and the lock hook 222 are also hinged together by the lock hook shaft 226, and can also be rotated about the lock hook shaft 226.
  • the opening and closing handle 223 is coaxial with the locking hook 222.
  • the opposite faces of the opening and closing handle 223 and the locking hook 222 are each cut in half, and the mutually inclined two inclined end faces perpendicular to the opposite faces constitute the opening cooperation face 227.
  • the opening and closing handle 223 is in the open position, and the opening and cooperation surface 227 on the opening and closing handle coincides with the opening and cooperation surface of the lock hook 222; Thereafter, the locking hook 222 is reset by the return spring 245, and the force is applied to the opening and closing handle 223 to rotate away from the dust bucket 22.
  • the opening cooperation surface on the opening and closing handle 223 is separated from the opening cooperation surface on the locking hook 222.
  • the dust bucket is further provided with a hook limiting portion 228 for restricting the rotation of the locking hook 222.
  • the dust bucket is further provided with a handle limiting portion 229 for restricting the rotation of the handle, which together act to limit the opening and closing handle 223 and The range of rotation of the locking hook 222 ensures that its function is achieved.
  • connection manner of the locking hook 222 and the opening and closing handle 223 is limited thereto, and the two may be fixedly connected by other means such as snapping, integral casting, or the like.
  • the present invention effectively solves the problem that the dust-collecting pipe is difficult to seal and connect with the dust bucket when it is floating with the rotating shaft, and the structure of the roller-roller assembly is complicated.
  • the invention has simple and effective structure and good cleaning effect.

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

Abstract

一种清洁装置，包括滚刷组件(21)和尘桶(22)，滚刷组件(21)与尘桶(22)通过出尘管道(24)相连通，尘桶(22)上还设有一转轴(224)，出尘管道(24)与尘桶(22)固定连接为一体，且能绕转轴(224)转动；在滚刷组件(21)允许转动的范围内，滚刷组件(21)始终与地面贴合。

Description

清洁装置 技术领域
本发明涉及一种清洁装置，属于小家电技术领域。
背景技术
市面现有的大部分利用滚刷系统清洁平面(一般为地面或玻璃面)的清洁装置中，由于清洁面基本是平整的，即使在越过少量突起物时被顶起，掠过的未清洁区域也可以忽略不计，所以滚刷和尘桶清洁系统一般都是固定的(如图1所示)。
有些清洁产品上将滚刷组件设计为小幅度摆动部件，当机器被顶起时，滚刷组件会摆动落下，以更好地适应情况复杂的地面，可以达到更好的清洁效果。虽然在越过凸起物的时候滚刷组件会下落依然接触地面，但其滚刷组件与集尘盒间的密封连接就会断开,影响尘土收集的效果。公布号为CN 103491839A的中国专利公开了一种自移动机器人，包括清洁头和灰尘箱，它们之间可提供面密封件密封。清洁头主要由滚轮，真空入口，及中心增压室组成，真空入口与中心增压室连接的地方可由环形密封件密封。滚轮固定连接到齿轮箱上，齿轮箱通过四连杆组与框架连接，滚轮可相对于框架“浮动”。此种结构，虽然在越过突起物的时候滚刷组件会下落依然接触地面，但由于只有部分清洁头可相对于框架“浮动”，又由于其吸尘过程中各个阶段的要求不同，真空入口，中心增压室往往是不同的材料，所以在“浮动”时清洁头内部以及清洁头与集尘盒之间的密封连接要求很高，致使其结构复杂。
发明内容
针对现有技术中清洁装置所存在的缺陷，本发明提供了一种清洁装置，以便解决当地面突起物较多时清洁效果不好以及密封连接断开、结构复杂的问题。
本发明所要解决的技术问题是通过如下技术方案实现的：
本发明提供一种清洁装置，包括清洁装置机体、滚刷组件和尘桶，滚刷组件与尘桶通过出尘管道相连通，尘桶上还设有一转轴，尘桶通过所述转轴可旋转的铰接于清洁装置机体，滚刷组件与尘桶固定连接为一体，且能绕所述的转轴相对于清洁装置机体转动。
所述清洁装置上设有一限位机构，用以限制固定连接为一体的滚刷组件和尘桶的转动范围。
所述限位机构包括设置在滚刷组件上的至少一个限位柱和设置在清洁装置机体上 的滚刷轨道支架，所述滚刷轨道支架上设有与所述限位柱对应匹配的轨道，所述限位柱在所述轨道限制的范围内移动。
或者，所述的限位机构包括清洁装置机体和清洁装置机体上容置尘桶的容置腔，所述容置腔的底部与所述尘桶的底部之间留有间隙，所述清洁装置机体的上壳体和容置腔的底面分别形成上、下限位面。
进一步的，所述尘桶的底部倾斜设置，所述容置腔的底面呈水平面，所述尘桶的底面与容置腔的底面的夹角为3°-10°。
进一步的，所述的容置腔底面设有出尘管插入口，所述的转轴位于远离出尘管道插入口的对角位置，所述的出尘管道穿过出尘管插入口与尘桶通过锁紧机构固定连接，所述的出尘管道对所述的尘桶提供支撑。
所述锁紧机构包括位于尘桶上的锁钩、开合把手、复位弹簧和位于出尘管道上的锁扣，所述锁钩可旋转的铰接于尘桶，在复位弹簧的弹力作用下，所述锁钩与锁扣相锁紧，推动所述的开合把手使之处于打开位置，将释放所述的锁钩。
所述开合把手与所述锁钩同轴，所述开合把手处于打开位置时，所述开合把手通过开合作用面作用于锁钩，使得锁钩与锁扣相脱离；当作用力于开合把手使之远离尘桶转动，开合把手上的开合作用面与锁钩上的开合作用面脱离。
所述滚刷组件包括滚刷支架，所述滚刷支架的前端面为斜面。
所述滚刷组件与出尘管道铰接，使滚刷组件能相对于出尘管道旋转一定角度。
所述的清洁装置还包括出尘管道支架，所述的出尘管道安装于所述的出尘管道支架上并与之固定；所述的滚刷组件包括滚刷支架、滚刷、滚刷盖板；所述的出尘管道支架位于所述的滚刷支架和滚刷之间，所述的滚刷支架套设于所述的出尘管道支架上，它们之间通过出尘管道支架转轴铰接。
所述清洁装置机体的底部还设有两个以上的倒梯形的凸脚，其中的两个凸脚分别位于机体的前端和后端。
综上所述，本发明通过将滚刷和尘桶固定连接为一体随转轴转动，有效的解决了出尘管道相对尘桶浮动时密封连接困难，以及滚刷组件上下浮动的结构复杂的问题。本发明结构简单有效，清洁效果好。
附图说明
图1是现有技术的清洁装置在平面上的剖面示意图；
图2是现有技术的清洁装置被平面上的突起物顶起时的剖面示意图；
图3是本发明的清洁装置的尘桶整体示意图；
图4是本发明的清洁装置在平面上的剖面示意图；
图5是本发明的清洁装置滚刷组件部位的爆炸图；
图6是本发明的清洁装置滚刷组件上的限位机构示意图；
图7是本发明的清洁装置被平面上的突起物顶起时的剖面示意图；
图8是本发明的清洁装置陷入凹陷时的剖面示意图；
图9是本发明的清洁装置的锁紧机构部分示意图；
图10是本发明的清洁装置锁扣与开合把手连接的剖面示意图；
图11是本发明的清洁装置锁扣锁合时的剖面示意图；
图12是本发明的清洁装置锁扣打开时的剖面示意图。
具体实施方式
如图1所示，现有技术中的吸尘器主要由滚刷11、尘盒12和吸尘风机13组成，滚刷11和尘盒12之间通过吸尘管路14相连，尘盒12与吸尘风机13连接，其滚刷11是固定不动的。但是，当清洁平面上分布较多突起物15时，由于机器在清洁过程中频繁翘起，使滚刷11无法接触清洁面，严重影响清洁效果(如图2所示)。
图3是本发明清洁装置的尘桶示意图，图4是本发明清洁装置在平地状态下的剖面示意图，如图3和图4所示，其主要由滚刷组件21，尘桶组件和抽真空装置(图中未示出)组成。其中尘桶组件与抽真空装置连通并位于机体23内，尘桶组件由尘桶22、设在尘桶22底面的出尘管道插入口221、锁钩222、开合把手223及远离出尘管道插入口221的对角位置上设有的一转轴224等组成，所述的尘桶22通过该转轴224可旋转的铰接于清洁装置机体23，滚刷组件21与尘桶22固定连接为一体，且能绕所述的转轴224相对于清洁装置机体转动。所谓的固定连接为一体是指滚刷组件21与尘桶22分别固定连接于一刚性中间部件的两端或者尘桶22与刚性中间部件的一端固定连接、滚刷组件21与该刚性中间部件的另一端铰接。在本发明中刚性中间部件可以是出尘管道24，也可以另外提供刚性中间部件。
所述的转轴224由位于尘桶一端的圆杆所构成。机体23中有一底面水平的容置腔225，用以容置尘桶22，所述圆杆架设在所述的容置腔225的杆架上(图中未示出)，所述圆杆可绕该杆架转动。所述的容置腔225底部与所述尘桶的底部留有间隙，所述的尘桶22底部倾斜设置，与容置腔225的水平底面成一夹角，所述清洁装置机体23的上壳体232和所述容置腔225的底面分别形成上、下限位面，本实施例中所述的夹 角被该上、下限位面限制为3°-10°夹角。
需要说明的是，出尘管道插入口221的位置也可以根据需要而适当调整，例如可以设在尘桶22的侧面等。转轴224的位置也不一定要设在远离插入口221的对角位置上，本领域的技术人员可以根据需要来设计转轴的位置，比如设在尘桶22偏上偏中间的位置等，以合理配置滚刷组件21的承重。
机体23底部有一与滚刷组件21对应的凹腔(图中未示出)用以容置所述的滚刷组件21。如图4并结合图5所示，滚刷组件21包括滚刷支架211、两个旋转方向相反的前滚刷和后滚刷以及滚刷盖板213。在图4中垂直纸面向里看，前滚刷位于左侧且逆时针旋转，后滚刷居于右侧且顺时针旋转。滚刷212安装在滚刷支架211上，滚刷盖板213固定在滚刷支架211上与滚刷211一起形成滚刷组件21。滚刷支架211和滚刷212之间还有一出尘管道支架241，出尘管道24一端安装于该出尘管道支架241上并与之固定。所述的滚刷支架211套设于出尘管道支架241上，它们之间通过出尘管道支架转轴242铰接，使滚刷组件21可相对于出尘管道24旋转一定角度，具体来说，出尘管道支架241和滚刷支架211两端中央附近均设有出尘管道支架转轴安装孔243，与之对应的出尘管道支架转轴242两端各一个，分别安装于所述的出尘管道支架转轴安装孔243，使得滚刷组件21可相对于出尘管道支架241，进而可相对于固定安装在出尘管道支架241上的出尘管道24旋转一定角度。滚刷212通过滚刷齿轮箱214驱动，两滚刷211之间有一间隙215以便灰尘能通过此间隙215进入出尘管道24。出尘管道24远离滚刷组件21的一端插入尘桶组件上的插入口221，并通过锁紧机构使出尘管道24与尘桶22固定连接为一体。所述的出尘管道24与所述的插入口221之间还可以加入密封垫使它们密封连接。
所述的锁紧机构如图9所示，包括位于尘桶22上的锁钩222和开合把手223、位于出尘管道上的锁扣244和复位弹簧245，所述锁钩222通过锁钩转轴226可旋转的铰接于尘桶22，一般状态下，在复位弹簧245的弹力作用下，所述锁钩222与锁扣244相锁紧，使得出尘管道24与尘桶22锁合固定，锁合后的整体可随转轴224一起转动。由于滚刷组件21在一定角度内可旋转的与出尘管道24连接，故滚刷组件21也将随锁合为一体的尘桶22与出尘管道24一起绕转轴224转动。
因为出尘管道24的特殊作用，其一般采用刚性耐磨的材料，如PP、ABS材料等，固其可对尘桶22提供支撑。当清洁装置在平面上工作时，与尘桶22固定连接的出尘管道24撑起尘桶22具有出尘管道插入口221的一端，在前述的上、下限位面的作用下，尘桶22的底面与容置腔225的水平底面的夹角被限制为3-10°。在此夹角范围内， 下限位面即容置腔的底面限制尘桶进而限制与尘桶固定连接为一体的滚刷组件最多下落20mm，同时，上限位面即机体23的上壳体232将限制滚刷组件最多上浮5mm。容置腔225与机体23共同构成一限位机构，限制尘桶22进而限制滚刷组件21的转动范围。
当出尘管道24是刚性的，则前述的刚性中间部件可为出尘管道24，如果出尘管道24是柔性的，则可另外提供刚性中间部件，以便将滚刷组件21与尘桶22固定连接为一体，此时尘桶22与刚性中间部件固定连接，滚刷组件21与刚性中间部件固定连接或者铰接。
另外，容置腔225的底面不一定要水平，只要起到限定滚刷组件21相对于转轴224的转动范围即可，另外，这个目的也可以由其它限位机构来实现，如图6所示，限位机构包括限位座215和滚刷轨道支架216，限位座215与滚刷组件21的滚刷支架211连接，滚刷轨道支架216固定于机体23上。限位座215上具有至少一限位柱217，所述滚刷轨道支架216上设有与所述限位柱217相匹配的轨道，限位柱217位于该轨道内，在该轨道限制的范围内移动，从而限制滚刷组件21相对于转轴224的转动范围。
当机器处于平面上时，滚刷组件21依靠自重与地面贴合。当机器被平面上的突起物15顶起或者陷入凹陷时，如图7和图8所示，固定连接为一体的滚刷组件21和尘桶组件依靠自重绕转轴224相对于机体23向下转动，同时滚刷组件21可相对于出尘管道支架241在一定范围内转动，故能实现在转动过程中，当遇到凸起还是凹陷时，无论滚刷组件21是在爬坡、下行还是平地状态，始终最大可能地与地面保持贴合，障碍区域的清扫效果由此得以保证。需要说明的是，滚刷组件21与出尘管道的连接方式也可以不用铰接而是固定连接，这样可以牺牲部分性能换来成本上的优势。另外，滚刷组件21的滚刷支架的前端面218为向上倾斜的斜面，左右两端面也是向上倾斜的斜面(图中未示出)，即越往下滚刷组件的前侧和左右两侧越往里收缩。由于滚刷组件21的前端面和左右两端面为斜面，当机器在运行过程中滚刷组件21碰到突起物15时，会由于其斜面更方便地掠过突起物15。以上方式可以消除当机器被顶起时，清洁组件无法接触并清洁被清洁面的问题。清洁装置机体23的底部还设有两个以上的倒梯形的凸脚231，其中的两个凸脚231分别位于机体的前端和后端。其作用与滚刷组件向上倾斜的前侧和左右两侧的端面相同，皆是方便掠过凸起物。
由于本发明是将出尘管道24和尘桶组件锁合为一体随转轴224转动，出尘管道24和尘桶组件之间的密封性连接就不会产生问题，因为不必考虑在经受旋转力和平移力的组合的状态下的密封问题。
当尘桶需要清洁而被取出的时候，可以通过推动开合把手223使之处于打开位置将锁钩222释放，使尘桶组件和滚刷组件21相脱离，达到使其分离的目的。
图10是本发明尘桶上开合把手的结构示意图，为了看起来更加清楚，图中省略了复位弹簧245，图11，图12也一样。如图10所示，与锁钩222通过锁钩转轴226与尘桶22铰接一样，开合把手223与锁钩222也通过该锁钩转轴226铰接在一起，也可绕锁钩转轴226转动，开合把手223与锁钩222同轴。开合把手223与锁钩222的相对面各削掉一半，垂直于相对面的相互匹配的两倾斜端面构成开合作用面227。参见图9和图11，如前所述，一般状态下，在复位弹簧245的作用下，锁钩222与锁扣244扣合在一起，进而使出尘管道24与尘桶组件锁合在一起。当需要取出尘桶22时，如图12所示，作用力F于开合把手223使之靠近尘桶22转动，开合把手223通过锁扣244的开合作用面227作用力于锁扣244，使锁钩222转动压缩复位弹簧245并脱离锁扣244，此时开合把手223处于打开位置，开合把手上的开合作用面227与锁钩222的开合作用面重合；取出尘桶后，锁钩222在复位弹簧245的作用下复位，作用力于开合把手223使之远离尘桶22转动，开合把手223上的开合作用面会与锁钩222上的开合作用面脱离，如图9所示，此时，开合把手223只能当做尘桶22的提手用，并不能使锁钩222转动。另外，所述尘桶上还设有限制锁钩222转动的锁钩限位部228，所述尘桶上还设有限制把手转动的把手限位部229，它们共同作用限制开合把手223与锁钩222的转动范围，保证实现其功能。
当然，锁钩222和开合把手223的连接方式并限于此，也可以通过其它诸如卡合、一体铸造等方式将两者固定连接。
综上所述，本发明通过将滚刷和尘桶固定连接为一体随转轴转动，有效的解决了出尘管道相对尘桶浮动时密封连接困难，以及滚刷组件上下浮动的结构复杂的问题。本发明结构简单有效，清洁效果好。

Claims (12)

  1. 一种清洁装置，包括清洁装置机体(23)、滚刷组件(21)和尘桶(22)，滚刷组件(21)与尘桶(22)通过出尘管道(24)相连通，其特征在于，尘桶上还设有一转轴(224)，尘桶通过所述转轴(224)可旋转的铰接于清洁装置机体(23)，滚刷组件(24)与尘桶(22)固定连接为一体，且能绕所述的转轴(224)相对于清洁装置机体(23)转动。
  2. 如权利要求1所述的清洁装置，其特征在于，所述清洁装置上设有一限位机构，用以限制固定连接为一体的滚刷组件(21)和尘桶(22)的转动范围。
  3. 如权利要求2所述的清洁装置，其特征在于，所述限位机构包括设置在滚刷组件(21)上的至少一个限位柱(217)和设置在清洁装置机体(23)上的滚刷轨道支架(216)，所述滚刷轨道支架(216)上设有与所述限位柱(217)对应匹配的轨道，所述限位柱(217)在所述轨道限制的范围内移动。
  4. 如权利要求2所述的清洁装置，其特征在于，所述的限位机构包括清洁装置机体(23)和清洁装置机体上容置尘桶(22)的容置腔(225)，所述容置腔(225)的底部与所述尘桶(22)的底部之间留有间隙，所述清洁装置机体(23)的上壳体(232)和容置腔(225)的底面分别形成上、下限位面。
  5. 如权利要求3或4所述的清洁装置，其特征在于，所述尘桶的底部倾斜设置，所述容置腔(225)的底面呈水平面，所述尘桶(22)的底面与容置腔(225)的底面的夹角为3°-10°。
  6. 如权利要求4所述的清洁装置，其特征在于，所述的容置腔(225)底面设有出尘管插入口(221)，所述的转轴(224)位于远离出尘管道插入口(221)的对角位置，所述的出尘管道(24)穿过出尘管插入口(221)与尘桶(22)通过锁紧机构固定连接，所述的出尘管道(24)对所述的尘桶(22)提供支撑。
  7. 如权利要求6所述的清洁装置，其特征在于，所述锁紧机构包括位于尘桶上的锁钩(222)、开合把手(223)、复位弹簧(245)和位于出尘管道上(24)的锁扣(244)， 所述锁钩(222)可旋转的铰接于尘桶(22)，在复位弹簧(245)的弹力作用下，所述锁钩(222)与锁扣(244)相锁紧，推动所述的开合把手(223)使之处于打开位置，将释放所述的锁钩。
  8. 如权利要求7所述的清洁装置，其特征在于，所述开合把手(223)与所述锁钩(222)同轴，所述开合把手(223)处于打开位置时，所述开合把手(223)通过开合作用面(227)作用于锁钩，使得锁钩(222)与锁扣(244)相脱离；当作用力于开合把手(223)使之远离尘桶(22)转动，开合把手(223)上的开合作用面(227)与锁钩(222)上的开合作用面(227)脱离。
  9. 如权利要求1所述的清洁装置，其特征在于，所述滚刷组件(21)包括滚刷支架(211)，所述滚刷支架(211)的前端面(218)为斜面。
  10. 如权利要求1所述的清洁装置，其特征在于，所述滚刷组件(21)与出尘管道(24)铰接，使滚刷组件(21)能相对于出尘管道(24)旋转一定角度。
  11. 如权利要求10所述的清洁装置，其特征在于，所述的清洁装置还包括出尘管道支架(241)，所述的出尘管道(24)安装于所述的出尘管道支架(241)上并与之固定；所述的滚刷组件(21)包括滚刷支架(211)、滚刷(212)、滚刷盖板(213)；所述的出尘管道支架(241)位于所述的滚刷支架(211)和滚刷(212)之间，所述的滚刷支架(211)套设于所述的出尘管道支架(241)上，它们之间通过出尘管道支架转轴(242)铰接。
  12. 如权利要求1所述的清洁装置，其特征在于，所述清洁装置机体的底部还设有两个以上的倒梯形的凸脚(231)，其中的两个凸脚(231)分别位于机体的前端和后端。
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