WO2023093441A1 - 一种清洁头及表面清洁设备 - Google Patents

一种清洁头及表面清洁设备 Download PDF

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Publication number
WO2023093441A1
WO2023093441A1 PCT/CN2022/127793 CN2022127793W WO2023093441A1 WO 2023093441 A1 WO2023093441 A1 WO 2023093441A1 CN 2022127793 W CN2022127793 W CN 2022127793W WO 2023093441 A1 WO2023093441 A1 WO 2023093441A1
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WO
WIPO (PCT)
Prior art keywords
roller brush
cleaning head
rolling brush
connector
collector
Prior art date
Application number
PCT/CN2022/127793
Other languages
English (en)
French (fr)
Inventor
车军伟
Original Assignee
苏州简单有为科技有限公司
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Filing date
Publication date
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Publication of WO2023093441A1 publication Critical patent/WO2023093441A1/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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Definitions

  • the invention relates to the technical field of cleaning equipment, in particular to a cleaning head and surface cleaning equipment.
  • Surface cleaning equipment generally includes a cleaning head.
  • the cleaning head is provided with a roller brush, and the surface to be cleaned is stirred by the roller brush to achieve a better cleaning effect.
  • roller brush there are also some disadvantages in using a roller brush. For example, when there are hairs on the surface to be cleaned, some hairs will be entangled on the roller brush. In addition, some hairs will be stuck on the rotating shaft of the roller brush as the roller brush rotates. , if it is not cleaned for a long time, the rotating shaft will be damaged and affect the speed of the roller brush, and in severe cases, the roller brush will be stuck.
  • the present invention provides a cleaning head, which is provided with a collector, which can effectively collect hair and prevent hair from getting stuck on the rotating shaft.
  • the present invention provides a cleaning head, comprising
  • the housing defines a rolling brush installation cavity
  • the roller brush is installed in the installation chamber of the roller brush.
  • the roller brush includes a first end and a second end oppositely arranged along its axial direction, and the first end is rotatably installed on the axis of the roller through a connector. said casing;
  • the collector is arranged on the housing corresponding to the first end, the collector is arranged on the outer periphery of the connector, and the collector is respectively a floating end and a fixed end along the axial direction of the roller brush, The fixed end is fixed to the housing, and the suspended end extends into the installation cavity of the roller brush and fits in a gap with the first end of the roller brush;
  • the suspended end goes deep into the annular groove defined by the first end of the rolling brush, and the suspended end is in clearance fit with the first end.
  • the collector is an annular flange formed by extending part of the casing into the installation cavity of the roller brush along the axial direction of the roller brush.
  • the suspended end is a saw-toothed structure, and the opening of the saw-toothed structure faces the roller brush installation cavity.
  • the free end includes a plurality of protrusions arranged at intervals along the circumferential direction of the roller brush, and the protrusions extend into the installation cavity of the roller brush along the axial direction of the roller brush .
  • a guide edge is provided between the protrusion and the depression, and the guide edge is inclined in a direction away from the roller brush so as to The top wall of the raised part and the bottom wall of the recessed part are connected.
  • At least one groove is provided on a part of the outer peripheral surface of the floating end, and the groove is formed by inward depression of the outer peripheral surface along the radial direction of the roller brush.
  • the groove includes a downwardly recessed first slope and an upwardly raised second slope, and along the rotation direction of the roller brush, the length of the second slope is greater than the length of the first slope.
  • At least part of the outer peripheral surface of the suspended end is wavy.
  • the collector includes a plurality of support structures surrounding the periphery of the connector.
  • the present invention also provides a cleaning head, comprising
  • the housing defines a rolling brush installation cavity
  • a roller brush installed in the installation chamber of the roller brush the roller brush includes a first end and a second end oppositely arranged along its axial direction, and the first end is installed on the housing through a connector;
  • the collector is arranged on the first end or on the housing corresponding to the first end, the collector is arranged on the outer periphery of the connector, when the roller brush rotates around its own axis
  • the collector is stationary relative to the housing; the collector includes a floating end and a fixed end oppositely arranged along the axial direction of the roller brush;
  • the fixed end is fixed to the housing, and the suspended end extends outward from the fixed end along the axial direction of the roller brush and is suspended in the air; wherein, the suspended end goes deep into the space defined by the first end within the groove and is a clearance fit with said first end; or
  • the fixed end is fixed to the first end, and the suspended end extends outward from the fixed end along the axial direction of the roller brush and is suspended in the air; wherein, the suspended end goes deep into a hole defined by the housing In the groove, and the free end is in clearance fit with the housing.
  • the collector and the connector are relatively stationary.
  • the free end includes a plurality of protrusions arranged at intervals along the circumferential direction of the roller brush, and the protrusions extend into the installation cavity of the roller brush along the axial direction of the roller brush .
  • a guide edge is provided between the protrusion and the depression, and the guide edge is inclined in a direction away from the roller brush so as to The top wall of the raised part and the bottom wall of the recessed part are connected.
  • the free end is provided with a recessed portion that is inwardly recessed along the axial direction of the roller brush, and the recessed portion includes a guide edge, and the guide edge is configured to be described along the rotation direction of the roller brush The leading edge is away from the roller brush.
  • At least one groove is provided on a part of the outer peripheral surface of the floating end, and the groove is formed by inward depression of the outer peripheral surface along the radial direction of the roller brush.
  • the groove includes a downwardly recessed first slope and an upwardly raised second slope, and along the rotation direction of the roller brush, the length of the second slope is greater than the length of the first slope.
  • At least part of the outer peripheral surface of the suspended end is wavy.
  • the collector includes a plurality of support structures, and the plurality of support structures surround the periphery of the connector.
  • the concave portion includes a first side wall and a second side wall, the first side wall is located upstream of the second side wall along the rotating direction of the rolling brush, and the first side wall is located upstream of the second side wall along the rotating direction of the rolling brush The first side wall is inclined.
  • the second side wall is substantially parallel to the axial direction of the roller brush.
  • a bottom wall is further included between the first side wall and the second side wall, and the bottom wall is substantially perpendicular to the second side wall.
  • the present invention also provides a surface cleaning device, which includes the cleaning head in any one of the above embodiments.
  • the cleaning head and the surface cleaning equipment provided by the present invention include a shell defining a rolling brush installation cavity, the rolling brush is installed in the rolling brush installation cavity, and the rolling brush includes oppositely arranged first ends and second ends along its axial direction. end, and the first end is rotatably mounted on the housing through a connector around its own axis.
  • the collector is arranged on the housing corresponding to the first end.
  • the collector is arranged on the outer periphery of the connector.
  • the collector is respectively a floating end and a fixed end along the axial direction of the roller brush.
  • the fixed end is fixed on the casing, and the floating end extends It enters the installation cavity of the roller brush and fits with the first end of the roller brush in clearance; wherein, the suspended end goes deep into the annular groove defined by the first end of the roller brush, and the suspended end and the first end clearance fit.
  • Fig. 1 is a schematic structural view of a cleaning head in an embodiment of the present invention
  • Fig. 2 is a schematic view of the structure of the cleaning head after removing a rolling brush in an embodiment
  • Fig. 3 is a structural schematic diagram of another angle of the cleaning head shown in Fig. 2;
  • Fig. 4 is a sectional view along the section A-A in Fig. 1;
  • Fig. 5 is a partial enlarged view of area C in Fig. 4;
  • Fig. 6 is an exploded schematic diagram of a partial structure of a cleaning head
  • Fig. 7 is an exploded schematic diagram of another angle of the local structure of the cleaning head.
  • Fig. 8 is a schematic structural diagram of a collector arranged in a housing
  • Fig. 9 is a schematic structural view of a collector in an embodiment
  • Fig. 10 is a schematic structural view of a collector in another embodiment
  • Figure 11 is a schematic structural view of a collector in yet another embodiment
  • Fig. 12 is the front view of the collector in another embodiment
  • Fig. 13 is an enlarged view of the structure of area D shown in Fig. 12;
  • Fig. 14 is a structural schematic diagram of a partial structure of a cleaning head in an embodiment
  • Fig. 15 is a schematic structural diagram of a surface cleaning device in an embodiment.
  • the directional indications are only used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture. If the specific posture changes , then the directional indication changes accordingly.
  • connection should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application based on specific situations.
  • Figure 1 is a schematic structural view of the cleaning head in an embodiment of the present invention.
  • Fig. 2 is a structural schematic view of the cleaning head with one roller brush removed in one embodiment.
  • Fig. 3 is a structural schematic diagram of another angle of the cleaning head shown in Fig. 2 .
  • Fig. 4 is a sectional view along section A-A in Fig. 1 .
  • FIG. 5 is a partially enlarged view of area C in FIG. 4 .
  • Fig. 6 is an exploded schematic diagram of a partial structure of the cleaning head.
  • Fig. 7 is an exploded schematic view of another angle of the partial structure of the cleaning head.
  • Fig. 1 is a schematic structural view of the cleaning head in an embodiment of the present invention.
  • Fig. 2 is a structural schematic view of the cleaning head with one roller brush removed in one embodiment.
  • Fig. 3 is a structural schematic diagram of another angle of the cleaning head shown in Fig. 2 .
  • Fig. 4 is a sectional view along section A
  • a cleaning head 10 is disclosed, which includes a housing 2 , and the housing 2 defines at least one rolling brush installation cavity 12 ; a rolling brush 11 is installed in the rolling brush installation cavity 12 .
  • Cleaning head 10 can be provided with suction nozzle, reclaims dirty by suction nozzle, and cleaning head 10 also can not be provided with suction nozzle, cleans the surface to be cleaned by the rotation of roller brush 11 completely.
  • the roller brush 11 is generally cylindrical, and the roller brush 11 includes a hollow cylindrical core body 13. The outer surface of the core body 13 is provided with a wiping piece 19 for cleaning the surface to be cleaned.
  • the wiping piece 19 can be composed of woven materials such as fluff. , of course, can also be other materials or other forms, which are not limited here.
  • the roller brush 11 includes a first end 15 and a second end 16 oppositely arranged along its axial direction, and the first end 15 is rotatably mounted on the housing 2 through a connector 21 around its own axis; specifically, the two ends of the core 13 The ends are respectively end caps 14, and the end caps 14 are fixedly connected with the core body 13.
  • the solid line B in Figure 5 is the path of the hair entering the annular groove.
  • the first end 15 of the roller brush 11 is provided with a keyway 17, an annular groove 41 is provided around the keyway 17, and a connector 21 is provided at the housing 2 corresponding to the first end 15.
  • the connector 21 can be a spline, and the connector 21 is rotatably arranged on the housing 2 through a bearing.
  • the power device of the roller brush 11 can be arranged in the cavity of the core body 13, at this time, the end cover 14 of the second end 16 needs to be canceled, because the motor needs to enter the cavity of the core body 13 from the second end 16.
  • the connector 21 may be connected with a motor provided outside the roller brush 11 , and the roller brush 11 is driven to rotate through the connector 21 . Since the connector 21 and the housing 2 are moving with each other, there will be a gap between the two. If hair enters the gap, it will affect the rotation performance of the connector 21. If the amount of hair gradually increases, the connector 21 may It will be stuck and cannot be rotated.
  • a collector 3 is provided on the outer periphery of the connector 21 .
  • the collector 3 is arranged on the housing 2 corresponding to the first end 15.
  • the collector 3 can be integrally formed with the housing 2 to define a circular groove, and the connector 21 is installed in the circular groove .
  • the collector 3 is an annular flange formed by extending part of the shell 2 into the installation cavity 12 of the roller brush 11 along the axial direction of the roller brush 11 .
  • the radial outer diameter of the annular flange is smaller than the outer diameter of the core body 13 .
  • the collector 3 can also be detachably installed on the casing 2 .
  • the collector 3 is arranged on the outer periphery of the connector 21, and the collector 3 is respectively a floating end 31 and a fixed end 32 along the axial direction of the roller brush 11, the fixed end 32 is fixed to the housing 2, and the floating end 31 extends into the roller brush installation cavity 12 and fit with the first end 15 of the roller brush 11 in clearance; wherein, the suspended end 31 goes deep into the annular groove 18 defined by the first end 15 of the roller brush 11, and the suspended end 31 has a gap with the first end 15 Cooperate.
  • the collector 3 and the annular groove 18 are in clearance fit, and the hair can be collected on the collector 3 as much as possible without affecting the rotation performance of the roller brush 11, which can effectively avoid Hair gets into the gap between the connector 21 and the housing 2 .
  • the annular groove 18 has an upper sidewall and a lower sidewall along the radial direction of the roller brush 11, and along the radial direction of the roller brush 11, the outer edge of the connector 21 is located on the upper sidewall and the lower sidewall between, set like this, even if hair enters groove 41 from collector 3, also can be blocked by the outer edge of connector 21, prevents hair from entering the gap between connector 21 and housing 2.
  • Fig. 9 is a schematic structural diagram of a collector in an embodiment.
  • Fig. 10 is a schematic structural diagram of a collector in another embodiment.
  • the suspended end 31 has a zigzag structure, and the opening of the zigzag structure faces the roller brush installation cavity 12 .
  • the zigzag structure is provided with a recessed portion 34, the recessed portion 34 includes a first side wall 37 and a second side wall 38, along the rotation direction of the roller brush 11, the first side wall 37 is located upstream of the second side wall 38, along the direction of rotation of the roller brush 11
  • the first side wall 37 in the direction of rotation is inclined. That is, the first side wall 37 is inclined in a direction away from the roller brush 11 .
  • the hairs wound on the collector 3 will be guided away from the direction of the roller brush 11 due to the guidance of the first side wall 37 during the rotation of the roller brush 11 .
  • the second side wall 38 is substantially parallel to the axial direction of the roller brush 11 .
  • a bottom wall 39 is further included between the first side wall 37 and the second side wall 38 , and the second side wall 38 may be substantially perpendicular to the bottom wall 39 .
  • the second side wall 38 can also be inclined, and the inclination direction of the second side wall 38 gradually extends away from the rolling brush 11 .
  • the free end 31 includes a plurality of protrusions 33 arranged at intervals along the circumferential direction of the roller brush 11 , and the protrusions 33 extend into the roller brush installation cavity 12 along the axial direction of the roller brush 11 . Further, there is a recess 34 between two adjacent protrusions 33, and a guide edge 35 is arranged between the protrusion 33 and the recess 34, and the guide edge 35 is arranged obliquely along the direction away from the roller brush 11 to connect the protrusions.
  • the top wall of the portion 33 and the bottom wall 39 of the recessed portion 34 are examples of the recessed portion 34.
  • Figure 11 is a schematic structural diagram of a collector in another embodiment.
  • Figure 12 is a front view of a collector in yet another embodiment.
  • FIG. 13 is an enlarged view of the structure of area D shown in FIG. 12 .
  • Part of the outer peripheral surface 42 of the free end 31 is provided with at least one groove 41 , and the groove 41 is formed by inward depression of the outer peripheral surface 42 along the radial direction of the roller brush 11 .
  • the groove 41 includes a downwardly recessed first slope 43 and an upwardly raised second slope 44 , along the rotation direction of the roller brush 11 , the length of the second slope 44 is greater than that of the first slope 43 .
  • part of the outer peripheral surface 42 of the free end 31 is provided with at least one groove 41 , and the groove 41 is formed by inward depression of the outer peripheral surface 42 along the radial direction of the roller brush 11 .
  • the groove 41 includes a downwardly recessed first slope 43 and an upwardly raised second slope 44 , along the rotation direction of the roller brush 11 , the length of the second slope 44 is greater than that of the first slope 43 . That is, the slope of the first slope 43 is relatively steep, and the slope of the second slope 44 is relatively gentle.
  • This arrangement can guide the hair wrapped around the free end 31 to move away from the roller brush 11 when the roller brush 11 rotates.
  • at least part of the outer peripheral surface 42 of the free end 31 is wavy. Specifically, the entire outer peripheral surface 42 of the floating end 31 is a closed-loop wave-shaped structure.
  • the collector 3 includes a plurality of support structures (not shown in the figure), and the plurality of support structures are arranged at intervals on the outer periphery of the connector 21, that is, the outer surfaces of the plurality of support structures are basically on the same cylinder. In-plane, a plurality of support structures surround the periphery of the connector 21 .
  • the support structure includes a free end 31 and a fixed end 32.
  • the free end 31 can be the structure in any of the above embodiments, that is, it can include a guiding edge 35, or a groove 41, and can also be a zigzag or wave structure.
  • FIG. 14 is a structural schematic diagram of a partial structure of the cleaning head in an embodiment.
  • the cleaning head 10 in the embodiment includes a housing 2 defining at least one roller brush installation cavity 12 .
  • the cleaning head 10 may or may not be provided with suction nozzles.
  • a roller brush 11 is installed in the roller brush installation chamber 12, the roller brush 11 is generally cylindrical, the roller brush 11 includes a hollow cylindrical core body 13, and the outer surface of the core body 13 is provided with a wiping piece 19 for cleaning the surface to be cleaned ,
  • the wiping piece 19 can be composed of fluff material, of course, it can also be other materials or other forms.
  • the roller brush 11 includes a first end 15 and a second end 16 oppositely arranged along its axial direction, and the first end 15 is rotatably mounted on the housing 2 through a connector 21 around its own axis; specifically, the two ends of the core 13 The ends are respectively end caps 14, and the end caps 14 are fixedly connected with the core body 13.
  • the connector 21 is arranged on the first end 15, the connector 21 can be a spline, and the housing 2 is provided with a keyway 17 corresponding to the spline, when the roller brush 11 rotates, since the connector 21 and the keyway 17 mated so that the connector 21 is stationary relative to the keyway 17 .
  • a collector 3 can be arranged on the periphery of the connector 21, and the collector 3 can be integrally formed with the connector 21. When the collector 3 is arranged on the first end 15 , the collector 3 and the connector 21 are relatively stationary.
  • the free end 31 includes a plurality of protrusions 33 arranged at intervals along the circumferential direction of the roller brush 11, and the protrusions 33 extend along the direction of the roller brush 11.
  • the axial direction of the roller brush 11 extends away from the direction.
  • a guide edge 35 is arranged, and the guide edge 35 is inclined in a direction away from the roller brush 11 to connect the sides of the protrusions 33.
  • the guide edge 35 can guide the hair to move along the direction away from the roller brush 11. At this moment, the hair can fall from the free end 31. Since the spline and the keyway 17 are stationary, the hair accumulates There is no problem here. When the user takes off the roller brush 11, this part of the hair will naturally come off from here, and the user only needs to pick it up and put it into the trash can.
  • the collector is mounted to one end of the roller brush, and the free end 31 is provided with a recessed portion 34 that is inwardly recessed along the axial direction of the roller brush 11 , and the recessed portion 34 Including the guide edge, the guide edge 35 is configured to guide the edge 35 away from the roller brush 11 along the rotation direction of the roller brush 11 .
  • At least one groove 41 is provided on a part of the outer peripheral surface 42 of the free end 31 , and the groove 41 is formed by inward depression of the outer peripheral surface 42 along the radial direction of the roller brush 11 .
  • the groove 41 includes a downwardly recessed first slope 43 and an upwardly raised second slope 44 , along the rotation direction of the roller brush 11 , the length of the second slope 44 is greater than that of the first slope 43 . That is, the slope of the first slope 43 is relatively steep, and the slope of the second slope 44 is relatively gentle.
  • This arrangement can guide the hair wrapped around the free end 31 to move away from the roller brush 11 when the roller brush 11 rotates.
  • at least part of the outer peripheral surface 42 of the free end 31 is wavy. Specifically, the entire outer peripheral surface 42 of the floating end 31 is a closed-loop wave-shaped structure.
  • the free end 31 includes a recessed portion 34, and the recessed portion 34 includes a first side wall 37 and a second side wall 38.
  • the first side wall 37 is located on the second side. Upstream of the wall 38 , the first side wall 37 is inclined along the rotation direction of the roller brush 11 .
  • the second side wall 38 is substantially parallel to the axial direction of the roller brush 11 .
  • a bottom wall 39 is further included between the first side wall 37 and the second side wall 38 , and the second side wall 38 may be substantially perpendicular to the bottom wall 39 .
  • the second side wall 38 can also be inclined in the same direction as the first side wall 37 , that is, away from the direction of the rolling brush 11 .
  • the collector 3 is composed of a plurality of support structures, and the plurality of support structures surround the periphery of the connector 21 . That is to say, the outer surfaces of the multiple supporting structures are basically in the same cylindrical surface, and the multiple supporting structures surround the outer circumference of the connector 21 .
  • the support structure includes a free end 31 and a fixed end 32.
  • the free end 31 can be the structure in any of the above embodiments, that is, it can include a guiding edge 35, or a groove 41, and can also be a zigzag or wave structure.
  • FIG. 15 is a schematic structural diagram of a surface cleaning device in an embodiment.
  • the present invention also discloses a surface cleaning device 100, including the cleaning head 10 in any one of the above embodiments.
  • the surface cleaning device 100 can be a vertical cleaning device, a hand-held cleaning device or an intelligent cleaning device.

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Abstract

本发明公开了一种清洁头及表面清洁设备，其包括限定有滚刷安装腔的壳体，滚刷安装于滚刷安装腔内，滚刷沿其轴向方向包括相对设置的第一端和第二端，第一端通过连接器可绕自身轴线旋转地安装于壳体。收集器，设置于第一端所对应的壳体，收集器设置于连接器的外周，收集器沿滚刷的轴向方向分别为悬空端和固定端，固定端固定于壳体，悬空端伸入滚刷安装腔且与滚刷的第一端间隙配合；其中，悬空端深入滚刷的第一端限定的环形槽内，且悬空端与第一端间隙配合。通过在滚刷的端部安装收集器，可以有效防止头发进入旋转轴所在空间，可以有效保护旋转轴。

Description

一种清洁头及表面清洁设备 技术领域
本发明涉及清洁设备技术领域，尤其涉及一种清洁头及表面清洁设备。
背景技术
随着科技水平的提高，大部分用户不在依赖传统的拖把、扫帚等对待清洁表面进行清理，而是采用表面清洁设备进行清洁，不仅方便，而且效果更好。表面清洁设备一般都包括清洁头，清洁头设置有滚刷，通过滚刷对待清洁表面的搅拌，达到较好的清洁效果。
但是，使用滚刷也存在一些缺点，例如，当待清洁表面存在毛发时，会有部分毛发缠绕到滚刷上，另外，还有部分毛发随着滚刷的转动会卡到滚刷的转轴处，如果长时间不清理，转轴会受损影响滚刷的转速，严重的还会导致滚刷卡死。
发明内容
针对上述技术中存在的不足之处，本发明提供了一种清洁头，清洁头设置有收集器，可以有效收集毛发，避免毛发卡到转轴处。
一方面，本发明提供了一种清洁头，包括
壳体，其限定有滚刷安装腔；
滚刷，安装于所述滚刷安装腔内，所述滚刷沿其轴向方向包括相对设置的第一端和第二端，所述第一端通过连接器可绕自身轴线旋转地安装于所述壳体；
收集器，设置于所述第一端所对应的壳体，所述收集器设置于所述连接器 的外周，所述收集器沿所述滚刷的轴向方向分别为悬空端和固定端，所述固定端固定于所述壳体，所述悬空端伸入所述滚刷安装腔且与所述滚刷的第一端间隙配合；
其中，悬空端深入所述滚刷的第一端限定的环形槽内，且所述悬空端与所述第一端间隙配合。
可选地，所述收集器为部分所述壳体沿所述滚刷的轴向方向向所述滚刷安装腔内延伸形成的环状凸缘。
可选地，所述悬空端为锯齿状结构，所述锯齿状结构的开口朝向所述滚刷安装腔。
可选地，所述悬空端包括多个沿所述滚刷的周向方向间隔布置的凸起部，所述凸起部沿所述滚刷的轴向方向向所述滚刷安装腔内延伸。
可选地，两个相邻所述凸起部之间为凹陷部，所述凸起部和所述凹陷部之间设置有引导边，所述引导边沿远离所述滚刷的方向倾斜设置以连接所述凸起部的顶壁和所述凹陷部的底壁。
可选地，所述悬空端的部分外周面设置有至少一个凹槽，所述凹槽由所述外周面沿所述滚刷的径向方向向内凹陷形成。
可选地，所述凹槽包括向下凹陷的第一斜面和向上抬升的第二斜面，沿所述滚刷转动方向，所述第二斜面的长度大于所述第一斜面的长度。
可选地，至少部分所述悬空端的外周面呈波浪形。
可选地，所述收集器包括多个支撑结构，所述多个支撑结构围绕在所述连接器的外周。
另一方面，本发明还提供了一种清洁头，包括
壳体，其限定有滚刷安装腔；
滚刷，安装于所述滚刷安装腔内，所述滚刷沿其轴向方向包括相对设置的第一端和第二端，所述第一端通过连接器安装于所述壳体；
收集器，设置于所述第一端或设置于与所述第一端所对应的壳体，所述收集器设置于所述连接器的外周，在所述滚刷旋转绕自身轴线旋转地时所述收集器相对于所述壳体静止；所述收集器包括沿所述滚刷的轴向方向相对设置的悬空端和固定端；
所述固定端固定于所述壳体，所述悬空端由所述固定端沿所述滚刷的轴向方向向外延伸且悬空设置；其中，所述悬空端深入所述第一端限定的凹槽内，且与所述第一端间隙配合；或
所述固定端固定于所述第一端，所述悬空端由所述固定端沿所述滚刷的轴向方向向外延伸且悬空设置；其中，所述悬空端深入所述壳体限定的凹槽内，且所述悬空端与所述壳体间隙配合。
可选地，所述收集器设置于所述第一端时，所述收集器和所述连接器相对静止。
可选地，所述悬空端包括多个沿所述滚刷的周向方向间隔布置的凸起部，所述凸起部沿所述滚刷的轴向方向向所述滚刷安装腔内延伸。
可选地，两个相邻所述凸起部之间为凹陷部，所述凸起部和所述凹陷部之间设置有引导边，所述引导边沿远离所述滚刷的方向倾斜设置以连接所述凸起部的顶壁和所述凹陷部的底壁。
可选地，所述悬空端设置有沿所述滚刷的轴向方向向内凹陷的凹陷部，所述凹陷部包括导引边，所述引导边配置成沿所述滚刷旋转方向所述引导边远离所述滚刷。
可选地，所述悬空端的部分外周面设置有至少一个凹槽，所述凹槽由所述外周面沿所述滚刷的径向方向向内凹陷形成。
可选地，所述凹槽包括向下凹陷的第一斜面和向上抬升的第二斜面，沿所述滚刷转动方向，所述第二斜面的长度大于所述第一斜面的长度。
可选地，至少部分所述悬空端的外周面呈波浪形。
可选地，所述收集器包括多个支撑结构组成，所述多个支撑结构围绕在所述连接器的外周。
可选地，所述凹陷部包括第一侧壁和第二侧壁，沿所述滚刷旋转方向，所述第一侧壁位于所述第二侧壁的上游，沿所述滚刷旋转方向所述第一侧壁倾斜设置。
可选地，所述第二侧壁基本平行于所述滚刷的轴向方向。
可选地，第一侧壁和第二侧壁之间还包括底壁，所述底壁与所述第二侧壁基本垂直。
本发明还提供了一种表面清洁设备，其包括上述任一实施例中的清洁头。
本发明提供的清洁头及表面清洁设备，其包括限定有滚刷安装腔的壳体，滚刷安装于滚刷安装腔内，滚刷沿其轴向方向包括相对设置的第一端和第二端，第一端通过连接器可绕自身轴线旋转地安装于壳体。收集器，设置于第一端所对应的壳体，收集器设置于连接器的外周，收集器沿滚刷的轴向方向分别为悬空端和固定端，固定端固定于壳体，悬空端伸入滚刷安装腔且与滚刷的第一端间隙配合；其中，悬空端深入滚刷的第一端限定的环形槽内，且悬空端与第一端间隙配合。通过在滚刷的端部安装收集器，可以有效防止头发进入旋转轴所在空间，可以有效保护旋转轴。
附图说明
图1为本发明一实施例中的清洁头的结构示意图；
图2为一实施例中清洁头拆除一个滚刷后的结构示意图；
图3为图2所示清洁头另一角度的结构示意图；
图4为沿图1中A-A截面的截面剖视图；
图5为图4中C区域的局部放大图；
图6为清洁头的局部结构的分解示意图；
图7为清洁头的局部结构另一角度的分解示意图；
图8为收集器设置于壳体的示意性结构图；
图9为一实施例中收集器的结构示意图；
图10为另一实施例中收集器的结构示意图；
图11为又一实施例中收集器的结构示意图；
图12为再一实施例中收集器的正视图；
图13为图12所示D区域的结构放大图；
图14为一实施例中清洁头的局部结构的结构示意图；
图15为一实施例中的表面清洁设备的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
需要说明，若本发明实施例中有涉及方向性指示，则该方向性指示仅用于解释在某一特定姿态下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
另外，若本发明实施例中有涉及“第一”、“第二”等的描述，则该“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，全文中出现的“和/或”的含义，包括三个并列的方案，以“A和/或B”为例，包括A方案、或B方案、或A和B同时满足的方案。另外，各个实施例之间的技术方案可以相互结合，但 是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本发明要求的保护范围之内。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以通过具体情况理解上述术语在本申请中的具体含义。
参考图1-8，图中的箭头方向为滚刷旋转方向，图1为本发明一实施例中的清洁头的结构示意图。图2为一实施例中清洁头拆除一个滚刷后的结构示意图。图3为图2所示清洁头另一角度的结构示意图。图4为沿图1中A-A截面的截面剖视图。图5为图4中C区域的局部放大图。图6为清洁头的局部结构的分解示意图。图7为清洁头的局部结构另一角度的分解示意图。图8为收集器设置于壳体的示意性结构图。如图1-3所示，图中公开了一种清洁头10，其包括壳体2，壳体2限定有至少一个滚刷安装腔12；滚刷安装腔12内安装有滚刷11。清洁头10可以设置有吸嘴，通过吸嘴回收脏污，清洁头10也可以不设置吸嘴，完全靠滚刷11的转动对待清洁表面进行清理。滚刷11一般为圆筒状，滚刷11包括中空筒状的芯体13，芯体13的外表面设置有对待清洁表面清理的擦试件19，擦试件19可以为绒毛等编织材料组成，当然，还可以是其他材料或其他形式，此处不做限定。滚刷11沿其轴向方向包括相对设置的第一端15和第二端16，第一端15通过连接器21可绕自身轴线旋转地安装于壳体2；具体地，芯体13的两端分别端盖14，端盖14与芯体13固定连接。
参考图4和5，图5中实线B为毛发进入环形槽的路径。在一个实施例中， 滚刷11的第一端15设置有键槽17，键槽17的周围设置有一环形凹槽41，与第一端15对应的壳体2处设置有连接器21，在本实施例中，连接器21可以为花键，连接器21通过轴承可转动的设置于壳体2，当滚刷11安装于滚刷安装腔12后，花键与键槽17对接，滚刷11可以通过轴承为支撑点，绕自身轴线旋转。滚刷11的动力装置可以设置于芯体13的空腔内，此时，需要取消第二端16的端盖14，因为马达需要从第二端16进入芯体13的空腔内。当然，在其他实施例中，连接器21可以与设置于滚刷11外部的马达传动连接，通过连接器21带动滚刷11转动。由于连接器21和壳体2之间是相互运动的，所以两者之间会有间隙，如果毛发进入该间隙，会影响连接器21的转动性能，如果毛发量逐渐增多，连接器21有可能会被卡死，不能转动。为尽量减少毛发进入连接器21与壳体2之间形成的间隙，在连接器21的外周设置有收集器3。收集器3设置于第一端15所对应的壳体2，如图中所示实施例，收集器3可以与壳体2一体成型，限定一个圆形槽，连接器21安装于圆形槽内。具体地，收集器3为部分壳体2沿滚刷11的轴向方向向滚刷安装腔12内延伸形成的环状凸缘。环装凸缘的径向外径小于芯体13的外径。当然，在其他实施例中，收集器3还可以可拆卸的安装到壳体2。
继续参考图5，收集器3设置于连接器21的外周，收集器3沿滚刷11的轴向方向分别为悬空端31和固定端32，固定端32固定于壳体2，悬空端31伸入滚刷安装腔12且与滚刷11的第一端15间隙配合；其中，悬空端31深入滚刷11的第一端15限定的环形槽18内，且悬空端31与第一端15间隙配合。通过在连接器21的外周设置收集器3，收集器3与环形槽18间隙配合，在不影响滚刷11旋转性能的情况下，可以将毛发尽可能的收集到收集器3上，可以有效避免毛发进入连接器21和壳体2之间的间隙内。
继续参考图5，具体地，环形槽18沿滚刷11的径向方向具有上侧壁和下侧壁，沿滚刷11径向方向，连接器21的外边缘位于上侧壁和下侧壁之间，这样 设置，即使毛发从收集器3进入凹槽41，也会被连接器21的外边缘阻挡，防止毛发进入连接器21和壳体2之间的缝隙。
参考6-10，图9为一实施例中收集器的结构示意图。图10为另一实施例中收集器的结构示意图。为了进一步提高收集效果，悬空端31为锯齿状结构，锯齿状结构的开口朝向滚刷安装腔12。锯齿状结构设置有凹陷部34，凹陷部34包括第一侧壁37和第二侧壁38，沿滚刷11旋转方向，第一侧壁37位于第二侧壁38的上游，沿滚刷11旋转方向第一侧壁37倾斜设置。即第一侧壁37朝远离滚刷11所在方向倾斜。这样，缠绕在收集器3上的毛发，滚刷11在转动的过程中，由于第一侧壁37的引导，毛发会被朝向远离滚刷11所在的方向引导。在一个实施例中，第二侧壁38基本平行于滚刷11的轴向方向。在另一个实施例中，第一侧壁37和第二侧壁38之间还包括底壁39，第二侧壁38可以与底壁39基本垂直。第二侧壁38还可以倾斜设置，第二侧壁38的倾斜方向为逐渐向远离滚刷11的方向延伸。
参考图8-9，悬空端31包括多个沿滚刷11的周向方向间隔布置的凸起部33，凸起部33沿滚刷11的轴向方向向滚刷安装腔12内延伸。进一步地，两个相邻凸起部33之间为凹陷部34，凸起部33和凹陷部34之间设置有引导边35，引导边35沿远离滚刷11的方向倾斜设置以连接凸起部33的顶壁和凹陷部34的底壁39。通过设置远离滚刷11的引导边35，在滚刷11转动的时候，可以有效把缠绕在悬空端31外周面42的缠绕物朝向固定端32移动；使毛发尽可能的远离悬空端31，以保持在收集器3上，防止毛发从悬空端31与凹槽41之间的间隙进入连接器21所在的空间。
参考图11-13，图11为又一实施例中收集器的结构示意图。图12为再一实施例中收集器的正视图。图13为图12所示D区域的结构放大图。悬空端31的部分外周面42设置有至少一个凹槽41，凹槽41由外周面42沿滚刷11的径向 方向向内凹陷形成。凹槽41包括向下凹陷的第一斜面43和向上抬升的第二斜面44，沿滚刷11转动方向，第二斜面44的长度大于第一斜面43的长度。
参考图13，在其他实施例中，悬空端31的部分外周面42设置有至少一个凹槽41，凹槽41由外周面42沿滚刷11的径向方向向内凹陷形成。凹槽41包括向下凹陷的第一斜面43和向上抬升的第二斜面44，沿滚刷11转动方向，第二斜面44的长度大于第一斜面43的长度。也即是，第一斜面43坡度比较陡，第二斜面44的坡度比较缓，这种设置，在滚刷11转动时，可以引导缠绕在悬空端31的头发朝向远离滚刷11。在一个进一步的实施例中，至少部分悬空端31的外周面42呈波浪形。具体地，整个悬空端31的外周面42为一个闭环的波浪形结构。
在其他实施例中，收集器3包括多个支撑结构(图中未示出)，多个支撑结构间隔设置在连接器21的外周，也即是多个支撑结构的外表面基本上在同一圆柱面内，多个支撑结构围绕在连接器21的外周。支撑结构包括悬空端31和固定端32，悬空端31可为上述任一实施例中的结构，即可以包括引导边35，也可以包括凹槽41，还可以是锯齿形或者波浪形结构。
参考图14，图14为一实施例中清洁头的局部结构的结构示意图。同时还可以参考图1，收集器可参考图9-13，如图中所示实施例中的清洁头10包括壳体2，其限定有至少一个滚刷安装腔12。清洁头10可以设置有吸嘴，也可以不设置吸嘴。滚刷安装腔12内安装有滚刷11，滚刷11一般为圆筒状，滚刷11包括中空筒状的芯体13，芯体13的外表面设置有对待清洁表面清理的擦试件19，擦试件19可以为绒毛材料组成，当然，还可以是其他材料或其他形式。滚刷11沿其轴向方向包括相对设置的第一端15和第二端16，第一端15通过连接器21可绕自身轴线旋转地安装于壳体2；具体地，芯体13的两端分别端盖14，端盖14与芯体13固定连接。
继续参考图14，连接器21设置于第一端15，连接器21可以为花键，壳体2设置有与花键对应的键槽17，当滚刷11转动时，由于连接器21与键槽17配合，因此连接器21相对于键槽17静止。为了防止毛发进入连接器21和端盖14之间的间隙，可以在连接器21的外周设置收集器3，收集器3可以与连接器21一体成型，当收集器3设置于第一端15时，收集器3和连接器21相对静止。为了进一步防止毛发进入连接器21和端盖14之间的间隙，参考图，悬空端31包括多个沿滚刷11的周向方向间隔布置的凸起部33，凸起部33沿滚刷11的轴向方向向远离滚刷11的方向延伸。两个相邻凸起部33之间为凹陷部34，凸起部33和凹陷部34之间设置有引导边35，引导边35沿远离滚刷11的方向倾斜设置以连接凸起部33的顶壁和凹陷部34的底壁39。在滚刷11转动时，引导边35可以引导毛发沿远离滚刷11的方向移动，此时，毛发可以从悬空端31掉落，由于花键和键槽17是静止不动的，因此，毛发堆积在此也没有任何问题，用户在取下滚刷11时，这部分毛发自然就从此处脱落，只需要用户将其拿起，放到垃圾桶即可。
参考图9，也可以参考图8，在本实施例中，收集器安装到滚刷的一端部，悬空端31设置有沿滚刷11的轴向方向向内凹陷的凹陷部34，凹陷部34包括导引边，引导边35配置成沿滚刷11旋转方向引导边35远离滚刷11。
参考图11和13，在另一个实施例中，悬空端31的部分外周面42设置有至少一个凹槽41，凹槽41由外周面42沿滚刷11的径向方向向内凹陷形成。凹槽41包括向下凹陷的第一斜面43和向上抬升的第二斜面44，沿滚刷11转动方向，第二斜面44的长度大于第一斜面43的长度。也即是，第一斜面43坡度比较陡，第二斜面44的坡度比较缓，这种设置，在滚刷11转动时，可以引导缠绕在悬空端31的头发朝向远离滚刷11。在一个进一步的实施例中，至少部分悬空端31的外周面42呈波浪形。具体地，整个悬空端31的外周面42为一个闭环的波浪形结构。
参考图9，在一个实施例中，悬空端31包括凹陷部34，凹陷部34包括第一侧壁37和第二侧壁38，沿滚刷11旋转方向，第一侧壁37位于第二侧壁38的上游，沿滚刷11旋转方向第一侧壁37倾斜设置。第二侧壁38基本平行于滚刷11的轴向方向。在另外一个实施例中，第一侧壁37和第二侧壁38之间还包括底壁39，第二侧壁38可以与底壁39基本垂直。第二侧壁38还可以跟第一侧壁37的倾斜方向基本相同，即远离滚刷11所在方向。
在一个实施例中，收集器3包括多个支撑结构组成，多个支撑结构围绕在连接器21的外周。也即是多个支撑结构的外表面基本上在同一圆柱面内，多个支撑结构围绕在连接器21的外周。支撑结构包括悬空端31和固定端32，悬空端31可为上述任一实施例中的结构，即可以包括引导边35，也可以包括凹槽41，还可以是锯齿形或者波浪形结构。
参考图15，图15为一实施例中的表面清洁设备的结构示意图。本发明还公开了一种表面清洁设备100，包括上述任一实施例中的清洁头10，表面清洁设备100可以为立式清洁设备，手持清洁设备或者智能清洁设备。
尽管本发明的实施方案已公开如上，但其并不仅限于说明书和实施方式中所列运用，它完全可以被适用于各种适合本发明的领域，对于熟悉本领域的人员而言，可容易地实现另外的修改，因此在不背离权利要求及等同范围所限定的一般概念下，本发明并不限于特定的细节和这里示出与描述的图例。

Claims (15)

  1. 一种清洁头(10)，其特征在于，包括
    壳体(2)，其限定有滚刷安装腔(12)；
    滚刷(11)，安装于所述滚刷安装腔(12)内，所述滚刷(11)沿其轴向方向包括相对设置的第一端(15)和第二端(16)，所述第一端(15)通过连接器(21)可绕自身轴线旋转地安装于所述壳体(2)；
    收集器(3)，设置于所述第一端(15)所对应的壳体(2)，所述收集器(3)设置于所述连接器(21)的外周，所述收集器(3)沿所述滚刷(11)的轴向方向分别为悬空端(31)和固定端(32)，所述固定端(32)固定于所述壳体(2)，所述悬空端(31)伸入所述滚刷安装腔(12)且与所述滚刷(11)的第一端(15)间隙配合；
    其中，悬空端(31)深入所述滚刷(11)的第一端(15)限定的环形槽(18)内，且所述悬空端(31)与所述第一端(15)间隙配合。
  2. 如权利要求1所述的清洁头(10)，其特征在于，
    所述收集器(3)为部分所述壳体(2)沿所述滚刷(11)的轴向方向向所述滚刷安装腔(12)内延伸形成的环状凸缘。
  3. 如权利要求1所述的清洁头(10)，其特征在于，
    所述悬空端(31)为锯齿状结构，所述锯齿状结构的开口朝向所述滚刷安装腔(12)。
  4. 如权利要求1所述的清洁头(10)，其特征在于，
    所述悬空端(31)包括多个沿所述滚刷(11)的周向方向间隔布置的凸起部(33)，所述凸起部(33)沿所述滚刷(11)的轴向方向向所述滚刷安装腔(12)内延伸。
  5. 如权利要求4所述的清洁头(10)，其特征在于，
    两个相邻所述凸起部(33)之间为凹陷部(34)，所述凸起部(33)和所述凹陷部(34)之间设置有引导边(35)，所述引导边(35)沿远离所述滚刷(11) 的方向倾斜设置以连接所述凸起部(33)的顶壁和所述凹陷部(34)的底壁。
  6. 如权利要求1所述的清洁头(10)，其特征在于，
    所述悬空端(31)的部分外周面(42)设置有至少一个凹槽(41)，所述凹槽(41)由所述外周面(42)沿所述滚刷(11)的径向方向向内凹陷形成。
  7. 如权利要求6所述的清洁头(10)，其特征在于，
    所述凹槽(41)包括向下凹陷的第一斜面(43)和向上抬升的第二斜面(44)，沿所述滚刷(11)转动方向，所述第二斜面(44)的长度大于所述第一斜面(43)的长度。
  8. 如权利要求1所述的清洁头(10)，其特征在于，
    至少部分所述悬空端(31)的外周面(42)呈波浪形。
  9. 如权利要求1所述的清洁头(10)，其特征在于，
    所述收集器(3)包括多个支撑结构，所述多个支撑结构围绕在所述连接器(21)的外周。
  10. 一种清洁头(10)，其特征在于，包括
    壳体(2)，其限定有滚刷安装腔(12)；
    滚刷(11)，安装于所述滚刷安装腔(12)内，所述滚刷(11)沿其轴向方向包括相对设置的第一端(15)和第二端(16)，所述第一端(15)通过连接器(21)可绕自身轴线旋转地安装于所述壳体(2)；所述连接器(21)可转动地设置于所述第一端(15)，在滚刷(11)安装到壳体(2)上时，所述连接器(21)固定连接到壳体(2)上以使得连接器(21)与壳体(2)保持相对静止；
    收集器(3)，设置于连接器(21)的外周，所述收集器(3)沿所述滚刷(11)的轴向方向分别为悬空端(31)和固定端(32)，所述固定端(32)固定于连接器(21)；所述悬空端(31)包括多个沿滚刷(11)的周向方向间隔布置的凸起部(33)，两个相邻凸起部(33)之间为凹陷部(34)，所述凸起部(33)和所述凹陷部(34)之间设置有引导边(35)；在滚刷(11)转动时，引导边(35) 可以引导毛发沿远离滚刷(11)的方向移动。
  11. 如权利要求10所述的清洁头(10)，其特征在于，所述收集器(3)和连接器(21)一体成型。
  12. 如权利要求10所述的清洁头(10)，其特征在于，所述凸起部(33)沿滚刷(11)的轴向方向向远离滚刷(11)的方向延伸。
  13. 如权利要求10所述的清洁头(10)，其特征在于，所述壳体(2)上设置有环形槽(18)，所述悬空端(31)至少部分伸入到环形槽(18)中且与所述环形槽(18)间隙配合。
  14. 如权利要求10或13所述的清洁头(10)，其特征在于，所述第一端(15)设置有容纳槽，至少部分所述收集器(3)和连接器(21)设置于容纳槽中且与所述第一端(15)间隙配合，所述悬空端(31)位于固定端(32)远离环形槽(18)的一侧。
  15. 一种表面清洁设备(100)，其特征在于，包括如权利要求1-14中任一项所述的清洁头(10)。
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