WO2022001996A1 - 一种用于提升拖布的升降机构以及清洁机 - Google Patents

一种用于提升拖布的升降机构以及清洁机 Download PDF

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Publication number
WO2022001996A1
WO2022001996A1 PCT/CN2021/102890 CN2021102890W WO2022001996A1 WO 2022001996 A1 WO2022001996 A1 WO 2022001996A1 CN 2021102890 W CN2021102890 W CN 2021102890W WO 2022001996 A1 WO2022001996 A1 WO 2022001996A1
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WO
WIPO (PCT)
Prior art keywords
lifting
shaft
mop according
outer shaft
inner shaft
Prior art date
Application number
PCT/CN2021/102890
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English (en)
French (fr)
Inventor
方剑强
汪旭
Original Assignee
宁波富佳实业股份有限公司
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Publication of WO2022001996A1 publication Critical patent/WO2022001996A1/zh

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Classifications

    • 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
    • A47L11/28—Floor-scrubbing machines, motor-driven
    • A47L11/282—Floor-scrubbing machines, motor-driven having rotary tools
    • A47L11/283—Floor-scrubbing machines, motor-driven having rotary tools the tools being disc brushes
    • 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
    • A47L11/28—Floor-scrubbing machines, motor-driven
    • A47L11/282—Floor-scrubbing machines, motor-driven having rotary 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
    • A47L11/40—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
    • A47L11/4002—Installations of electric equipment
    • 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
    • A47L11/4011—Regulation of the cleaning machine by electric means; Control systems and remote control systems therefor
    • 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
    • A47L11/4038—Disk 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
    • A47L11/40—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
    • A47L11/4052—Movement of the tools or the like perpendicular to the cleaning surface
    • A47L11/4055—Movement of the tools or the like perpendicular to the cleaning surface for lifting the tools to a non-working position
    • 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
    • A47L11/4052—Movement of the tools or the like perpendicular to the cleaning surface
    • A47L11/4058—Movement of the tools or the like perpendicular to the cleaning surface for adjusting the height of the tool
    • 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
    • A47L11/4063—Driving means; Transmission means therefor
    • A47L11/4069—Driving or transmission means for the cleaning tools

Definitions

  • the present invention relates to the technical field of cleaning equipment, in particular to a lifting mechanism for lifting a mop and a cleaning machine.
  • each rotating mopping unit in the current cleaning machine is usually lifted as a whole, that is, it drives the rack on which each mopping unit is installed.
  • the housing is lifted as a whole, and the rack or housing needs to be installed with various driving mechanisms.
  • the driving mechanism is used to drive the mop unit to rotate and clean, that is to say, the mop unit is lifted and lowered indirectly, which leads to a heavy overall weight.
  • the applicant found that the overall lift The technical route leads to the easy change of the center of gravity, which has an adverse effect on the stable operation of the cleaning machine. Therefore, in the process of design, production and manufacturing, special attention should be paid to the matching of the center of gravity under different conditions of lifting. Not only is the structure complex, but also the design and production , The manufacturing is more complicated and the cost is relatively high.
  • a lifting mechanism for lifting the mop is now proposed, which is conducive to directly lifting the mop and overcomes the problem that the lifting part is heavy; a cleaning machine is also proposed, which adopts the aforementioned Lifting mechanism that lifts the mop.
  • a lifting mechanism for lifting mopping cloth comprising a driving unit and a lifting member that can move up and down, the lifting member is connected with the rotating shaft of the mopping cloth unit, the lifting member is used to drive the rotating shaft to move axially, and the driving part of the driving unit For lifting and lowering parts.
  • It also includes a lifting member that can move up and down, the lifting member is connected with the rotating shaft of the mop unit, the lifting member is used to drive the rotating shaft to move axially, and the driving part of the driving unit is used to lift the lifting member, so it is beneficial to directly lift the mopping cloth. Overcome the problem of heavier weight of the lifting part.
  • the lifting member is provided with circumferential lifting ends, each circumferential lifting end is connected to the rotating shaft of the mopping unit, and the part of the lifting member located between the circumferential lifting ends is designed to sink.
  • the driving part is connected with a connecting part of the lifting member, and the distance between the connecting part and each rotating shaft is equal.
  • the lifting member is connected with a guide rod.
  • the lifting member is set as a bar-shaped beam member, and both ends of the beam member serve as circumferential lifting ends, and the two ends are respectively connected to the rotating shaft of a mopping cloth unit.
  • a concave portion lower than the two ends is arranged between the two ends.
  • the guide rod is located in the recessed portion.
  • the driving unit includes a second motor, the second motor is located on the front side or the rear side or the upper side of the beam member, the second motor is drivingly connected with the driving part, and the driving part is connected with the recessed part.
  • the driving part adopts a screw member, and the recessed part is provided with a nut.
  • the rotation of the screw member drives the nut to move up and down, and the up and down movement of the nut is used to drive the lifting member to move up and down.
  • the second motor is arranged side by side with the beam member, and a deceleration transmission structure is arranged between the second motor and the screw member.
  • the rotating shaft of the mopping unit includes an inner shaft and an outer shaft, the inner shaft is sleeved with the outer shaft, the inner shaft is connected with the mopping cloth, the inner shaft is connected with the lifting member, and the inner shaft is used to drive the mopping cloth to lift together, or the outer shaft is connected.
  • the outer shaft is connected with the lifting piece, and the outer shaft is used to drive the mop to lift together.
  • the inner shaft is connected to the mop, it includes a transverse rod arranged in the circumferential direction of the inner shaft, the transverse rod passes through the matching groove set on the outer shaft, the transverse rod can move up and down along the matching groove, and the lifting member passes upward through the transverse rod.
  • the inner shaft is driven to move upward relative to the outer shaft, and when the lifter descends, the inner shaft moves downward relative to the outer shaft.
  • the compression spring is arranged between the inner shaft and the upper end of the outer shaft, the lifting member drives the inner shaft upward through the cross bar to move upward relative to the outer shaft to compress the compression spring, and when the lifting member descends, the The compression spring drives the inner shaft to move downward relative to the outer shaft.
  • the downward movement distance of the lifting member is greater than the downward movement distance of the inner shaft.
  • the lifting member is sleeved with the outer shaft and can move up and down relative to the outer shaft.
  • a position detection mechanism is also included, and the position detection mechanism is used to control the lifting position of the rotating shaft.
  • the present invention also proposes a cleaning machine, which is provided with the aforementioned lifting and lowering mechanism for lifting the mop.
  • the mopping unit is directly lifted, which overcomes the problem of heavier weight of the lifting part.
  • the lifting function of the mopping unit is relatively reliable, so it is beneficial to significantly improve the reliability of the cleaning machine.
  • FIG. 1 is one of the perspective views of the mop unit lifting device using the elevating mechanism for lifting the mop according to the present invention.
  • Fig. 2 is the second perspective view (with the outer shaft removed) of the mop unit lifting device adopting the elevating mechanism for lifting the mop according to the present invention.
  • FIG. 3 is the third perspective view (with the screw removed) of the mop unit lifting device adopting the elevating mechanism for lifting the mop according to the present invention.
  • Fig. 1 is a mop unit lifting device using the lifting mechanism for lifting mop according to the present invention, including: mop unit 1, used for rotating cleaning, in this example, two are arranged on the left and right, which are basically symmetrically arranged on the left and right;
  • the driving mechanism is used to drive the mopping unit 1 to rotate; in this example, the driving mechanism adopts the first driving mechanism that does not lift together with the mopping unit 1, and the lifting mechanism and the mopping unit 1 are set separately.
  • the driving mechanism may also adopt a second driving mechanism that lifts and lowers together with the mop unit 1 , but the lift mechanism is provided separately from the mop unit 1 .
  • the lifting mechanism adopts a rack and pinion lifting mechanism or a screw lifting mechanism or a cam lifting mechanism or a pendulum lifting mechanism or an electromagnetic lifting mechanism, and a pendulum lifting mechanism such as a fork lifting mechanism.
  • Lifting mechanism such as solenoid valve lifting mechanism, electromagnet lifting mechanism, etc.
  • the lifting purpose can be achieved by the expansion and contraction of the valve core of the solenoid valve, and the lifting purpose can be achieved by using the suction function of the electromagnet.
  • an electromagnet is set above the iron piece. When the electromagnet is energized, it attracts the iron piece and attracts the iron piece to achieve the purpose of raising the mopping cloth unit 1. When the electromagnet is powered off and the attractive force disappears, the mopping cloth unit 1 descends. .
  • a screw lift mechanism is used.
  • the screw lifting mechanism is separated from the mopping unit 1.
  • the screw lifting mechanism is provided with a lifting member 2.
  • the lifting member 2 is connected with the mopping unit 1.
  • the screw lifting mechanism indirectly drives the mopping unit 1 to lift through the lifting member 2.
  • the aforementioned structure is suitable for The lifting mechanism is provided separately from the mopping unit 1 .
  • the lifting member 2 adopts a beam member, the beam member is connected with each mopping unit 1, and a driving part of the lifting mechanism is arranged between each mopping unit 1, and the driving part is used to drive the beam member to lift and lower.
  • two cloth mopping units 1 are provided, and the beam member can be set as a strip beam member.
  • the two ends of the beam member are respectively connected to a cloth mopping unit 1.
  • a screw 17 is arranged between the two mopping units 1, and the screw rod 17 is connected to the beam.
  • the parts are threadedly connected, the screw 17 rotates to drive the beam to rise and fall, and the screw 17 is located in the middle of the beam.
  • the part between the two ends of the beam is designed to sink.
  • the mopping unit 1 includes a mopping cloth, a turntable and a rotating shaft.
  • the mopping cloth is connected with the turntable, and the rotating shaft is connected with the turntable.
  • the rotating shaft is used to lift the turntable and also drive the turntable to rotate.
  • the rotating shaft includes an inner shaft 4 and an outer shaft 3, the inner shaft 4 is sleeved with the outer shaft 3, and the inner shaft 4 and the outer shaft 3 are provided between the inner shaft 4 and the outer shaft 3 to allow the inner shaft 4 and the outer shaft 3 to move axially relative to each other, but the circumferential limit is limited.
  • the rotation of the outer shaft 3 drives the inner shaft 4 to rotate synchronously through the limiting structure, the inner shaft 4 is connected with the turntable, and the inner shaft 4 is used to drive the turntable to lift and rotate together, or the inner shaft 4 rotates through the limit
  • the structure drives the outer shaft 3 to rotate synchronously, the outer shaft 3 is connected with the turntable, and the outer shaft 3 is used to drive the turntable to lift and rotate together.
  • the outer shaft 3 is connected to the first driving mechanism in a transmission, and the rotation of the outer shaft 3 drives the inner shaft 4 to rotate synchronously through the limiting structure.
  • the limiting structure is provided with a connecting portion 6, which is connected to the lifting mechanism. Separated from the mopping unit 1 , the lifting mechanism drives the inner shaft 4 to move in the axial direction relative to the outer shaft 3 through the connecting portion 6 .
  • the screw lifting mechanism used in this example includes a second motor 12, a second worm 13, a second turbine 9, and a screw 17.
  • the second worm 13 is connected to the second motor 12, the second worm 13 is connected to the second turbine 9, and the second worm 13 is connected to the second turbine 9.
  • the second turbine 9 is connected with the screw 17, the screw 17 and the lifting member 2 are threadedly connected, the rotation of the second motor 12 drives the screw 17 to rotate through the worm drive, and the rotation of the screw 17 realizes the lifting and lowering of the lifting member 2.
  • the two ends of the lifting member 2 are respectively sleeved with the outer shaft 3 and can move up and down relative to the outer shaft 3.
  • the connecting part 6 adopts a cross bar arranged in the circumferential direction of the inner shaft 4, and the cross bar passes through the outer shaft 3
  • the matching groove 15 is provided, and the cross bar can move up and down along the matching groove 15.
  • two horizontal bars are evenly distributed in the circumferential direction.
  • the lifting member 2 descends, the inner shaft 4 moves downward relative to the outer shaft 3 .
  • the cross bar also acts as a circumferential transmission component, that is, when the outer shaft 3 rotates, it drives the cross bar to rotate through the matching groove 15, the cross bar rotates to drive the inner shaft 4 to rotate, and the inner shaft 4 rotates to drive the turntable to rotate, thereby driving the mop to rotate.
  • the first driving mechanism used in this example includes a first motor 10, a first worm 11, and a first turbine 8.
  • the first motor 10 adopts a double-output motor, and the two rotating ends of the double-output motor are connected to a first worm 11, respectively.
  • the elastic member 16 for the case where the inner shaft 4 is connected to the turntable, the elastic member 16 is used to elastically support the inner shaft 4 or/and the turntable downward, and for the case where the outer shaft 3 is connected to the turntable, the elastic member 16 is used to downwardly Elastically supports the outer shaft 3 or/and the turntable.
  • the case where the inner shaft 4 is connected to the turntable is adopted.
  • the elastic member 16 adopts a compression spring, which is arranged between the inner shaft 4 and the upper end of the outer shaft 3, and has a very compact structure.
  • the upper and lower ends of the outer shaft 3 are connected with bearings 5, and the outer shaft 3 is set on these two bearings. between 5.
  • the lifting member 2 When the lifting member 2 rises, it drives the inner shaft 4 to rise, and the compression spring is compressed. When the lifting member 2 descends, the compression spring elastically supports the inner shaft 4 downward.
  • the compression spring in order to make the mop better fit the surface to be cleaned Therefore, when the mop is attached to the surface to be cleaned, the compression spring is set to still be in a compressed state, so adaptive cleaning of the uneven surface to be cleaned can be achieved, and there is a certain pressure during cleaning, and the cleaning effect is better.
  • the position detection mechanism is used to control the lifting position of the mopping unit 1.
  • a code disc for position detection is set for the second motor 12, and the rotation position of the second motor 12 is detected by the code disc, thereby controlling the mopping unit 1.
  • This design can avoid abnormal lifting function caused by power failure, program running error, etc.
  • the control part can know that the mopping unit 1 has returned to the initial position. In this way, The second motor 12 can stop working in time without the problem that the second motor 12 has reached the position but is still rotating, thus significantly improving the reliability of the lifting function.
  • the overall layout of the lifting device of the mopping unit is as follows: the two mopping units 1 are distributed left and right, the lifting member 2 is located between the two axes of the two mopping units 1 , and the first driving mechanism is located on the front side of the lifting member 2 , the first motor 10 is centrally arranged, the screw lifting mechanism is located at the rear side of the lifting member 2, and the screw rod 17 is centrally arranged.
  • the aforementioned overall layout is compact in structure and low in overall height, which saves height and space, and in terms of performance, the lifting function can be well realized, and the lifting action is stable and accurate, and the performance is stable and reliable.
  • a cleaning machine is provided with the mopping unit lifting device, that is, the mopping unit lifting device is installed in the casing of the cleaning machine, and the motor and the code disc are connected to the control part of the cleaning machine for control.
  • the working principle of the present invention can be referred to as follows: when the mopping unit 1 needs to be lifted, the first motor 10 is kept in a stopped state, the second motor 12 rotates and lifts the lifting member 2, and the lifting member 2 lifts the inner shaft 4, so that the mopping unit 1 Raise, otherwise drop, when the drop is in place, restart the first motor 10 to continue cleaning.
  • the present invention realizes the direct lifting and lowering of the mopping unit 1 through ingenious design, and overcomes the problem of heavy weight of the lifting part.
  • the embodiment of the present invention also has the advantages of simple and compact structure, good durability, stability and reliability, and low cost. Strong practicability, can promote the replacement of the lifting function of the mop unit, and make the cleaning machine better.

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  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

一种用于提升拖布的升降机构，和采用该升降机构的清洁机；升降机构包括驱动单元，还包括可上下移动的升降件（2），升降件（2）与拖布单元（1）的旋转轴连接，升降件（2）用于带动旋转轴轴向移动，驱动单元的驱动部分用于升降升降件（2），有利于实现直接升降拖布，克服了升降部位重量较重的问题。

Description

一种用于提升拖布的升降机构以及清洁机 技术领域
本发明涉及清洁设备技术领域，尤其涉及一种用于提升拖布的升降机构以及清洁机。
 背景技术
有一种清洁机，由于其能够实现自动旋转拖地等功能而具有重要的市场价值，但目前的清洁机中的各旋转的拖布单元通常都是整体升降，即带动安装有各拖布单元的机架或壳体整体升降，机架或壳体需要安装各驱动机构，驱动机构用于驱动拖布单元旋转清洁，也就是说间接升降拖布单元，这导致整体重量较重，本申请人研究发现，整体升降的技术路线导致重心容易发生变化，对于清洁机的稳定运行具有不利的影响，因此在设计、生产、制造过程中还需要特别关注升降不同情况下的重心匹配问题，不仅结构复杂，而且设计、生产、制造均较为繁琐，成本相对较高。
 技术问题
针对现有技术中存在的上述问题，现提出一种用于提升拖布的升降机构，有利于实现直接升降拖布，克服了升降部位重量较重的问题；还提出一种清洁机，采用前述用于提升拖布的升降机构。
 技术解决方案
具体技术方案如下：
一种用于提升拖布的升降机构，包括驱动单元，还包括可上下移动的升降件，该升降件与拖布单元的旋转轴连接，升降件用于带动旋转轴轴向移动，驱动单元的驱动部分用于升降升降件。
上述技术方案的有益效果在于：
还包括可上下移动的升降件，该升降件与拖布单元的旋转轴连接，升降件用于带动旋转轴轴向移动，驱动单元的驱动部分用于升降升降件，因此有利于实现直接升降拖布，克服了升降部位重量较重的问题。
较佳的，升降件设有周向升降端，各周向升降端与拖布单元的旋转轴连接，升降件的位于周向升降端之间的部分为下沉设计。
较佳的，驱动部分与升降件的一个连接部分连接，该连接部分到各旋转轴的距离相等。
较佳的，升降件连接有导向杆。
较佳的，当拖布为两个时，升降件设置为条状横梁件，该横梁件的两端作为周向升降端，该两端分别连接一个拖布单元的旋转轴。
较佳的，所述的两端之间设有低于两端的凹陷部分。
较佳的，导向杆位于凹陷部分中。
较佳的，驱动单元包括第二电机，第二电机位于横梁件的前侧或后侧或上侧，第二电机与驱动部分传动连接，驱动部分与凹陷部分连接。
较佳的，驱动部分采用螺杆件，凹陷部分设有螺母，螺杆件旋转带动螺母上下移动，螺母上下移动用于带动升降件上下移动。
较佳的，第二电机与横梁件并列设置，第二电机与螺杆件之间设置减速传动结构。
较佳的，拖布单元的旋转轴包括内轴和外轴，内轴与外轴套接，内轴连接拖布，内轴与升降件连接，内轴用于带动拖布一起升降，或者，外轴连接拖布，外轴与升降件连接，外轴用于带动拖布一起升降。
较佳的，对于内轴连接拖布的情形，包括设于内轴周向的横杆，横杆穿过外轴上设置的配合槽，横杆可沿配合槽上下运动，升降件经横杆向上带动内轴相对外轴向上运动，升降件下降时，则内轴相对外轴向下运动。
较佳的，还包括压簧，该压簧设于内轴与外轴上端之间，升降件经横杆向上带动内轴相对外轴向上运动时压缩该压簧，升降件下降时，则压簧顶动内轴相对外轴向下运动。
较佳的，升降件向下移动的距离大于内轴向下移动的距离。
较佳的，升降件与外轴套接，并可相对外轴上下运动。
较佳的，还包括位置检测机构，位置检测机构用于控制旋转轴的升降位置。
本发明还提出了一种清洁机，设有前述的用于提升拖布的升降机构。
上述技术方案的有益效果在于：
其拖布单元为直接升降，克服了升降部位重量较重的问题，清洁机在长期使用过程中，拖布单元的升降功能较为可靠，因此，有利于显著提高清洁机的可靠性。
 附图说明
图1为采用本发明用于提升拖布的升降机构的拖布单元升降装置的立体图之一。
图2为采用本发明用于提升拖布的升降机构的拖布单元升降装置的立体图之二（拆除了外轴）。
图3为采用本发明用于提升拖布的升降机构的拖布单元升降装置的立体图之三（拆除了螺杆）。
附图标记说明：1、拖布单元，2、升降件，3、外轴，4、内轴，5、轴承，6、连接部，7、齿轮，8、第一涡轮，9、第二涡轮，10、第一电机，11、第一蜗杆，12、第二电机，13、第二蜗杆，14、导向杆，15、配合槽，16、弹性件，17、螺杆。
 本发明的实施方式
以下描述用于揭露本发明以使本领域技术人员能够实现本发明。以下描述中的优选实施例只作为举例，本领域技术人员可以想到其他显而易见的变型。在以下描述中界定的本发明的基本原理可以应用于其他实施方案、变形方案、改进方案、等同方案以及没有背离本发明的精神和范围的其他技术方案。
本领域技术人员应理解的是，在本发明的揭露中，术语“纵向”、“横向”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底” “内”、“外”等指示的方位或位置关系是基于附图所示的方位或位置关系，其仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此上述术语不能理解为对本发明的限制。
图1为采用本发明用于提升拖布的升降机构的一种拖布单元升降装置，包括：拖布单元1，用于旋转清洁，本例中为左右设置的两个，为左右基本对称分布设置；升降机构，用于升降拖布单元1；驱动机构，用于驱动拖布单元1旋转；本例中，驱动机构采用不与拖布单元1一起升降的第一驱动机构，升降机构与拖布单元1为分离设置，当然，驱动机构也可以采用与拖布单元1一起升降的第二驱动机构，但是升降机构与拖布单元1分离设置。
升降机构采用齿轮齿条升降机构或者螺旋升降机构或者凸轮升降机构或者摆杆升降机构或者电磁升降机构，摆杆升降机构比如拨叉升降机构等等，利用拨叉的拨动可实现升降目的，电磁升降机构比如电磁阀升降机构、电磁铁升降机构等等，利用电磁阀的阀芯的伸缩可实现升降目的，利用电磁铁的吸合功能可实现升降目的，比如拖布单元1的上端设置一个铁件，铁件的上方设置一个电磁铁，电磁铁通电，则对铁件具有吸引力，对铁件吸引，实现升起拖布单元1的目的，电磁铁断电，吸引力消失，则拖布单元1下降。本例中采用螺旋升降机构。
螺旋升降机构与拖布单元1分离设置，螺旋升降机构设有升降件2，该升降件2与拖布单元1连接在一起，螺旋升降机构通过升降件2间接带动拖布单元1升降，前述结构，适用于升降机构与拖布单元1分离设置。
升降件2采用横梁件，该横梁件连接各拖布单元1，各拖布单元1之间设置有升降机构的驱动部分，该驱动部分用于带动横梁件升降。
本例中，拖布单元1设有两个，横梁件可设置为条状横梁件，该横梁件的两端分别连接一个拖布单元1，两拖布单元1之间设置有螺杆17，螺杆17与横梁件螺纹连接，螺杆17转动带动横梁件升降，螺杆17位于横梁件的中部，本例中，为了控制高度，横梁件的两端之间的部分为下沉设计。
拖布单元1包括拖布、转盘和旋转轴，拖布与转盘连接，旋转轴与转盘连接，旋转轴用于升降转盘，同时还用于带动转盘旋转。
 旋转轴包括内轴4和外轴3，内轴4与外轴3套接，内轴4与外轴3之间设有可使内轴4与外轴3轴向相对运动，但周向限位的限位结构，外轴3转动经限位结构带动内轴4同步转动，内轴4与转盘连接，内轴4用于带动转盘一起升降和一起转动，或者，内轴4转动经限位结构带动外轴3同步转动，外轴3与转盘连接，外轴3用于带动转盘一起升降和一起转动。
本例中，外轴3与第一驱动机构传动连接，外轴3转动经限位结构带动内轴4同步转动，限位结构设有连接部6，该连接部6与升降机构连接，升降机构与拖布单元1分离设置，升降机构经连接部6带动内轴4相对于外轴3沿轴向运动。
本例中采用的螺旋升降机构包括第二电机12、第二蜗杆13、第二涡轮9、螺杆17，第二蜗杆13与第二电机12连接，第二蜗杆13与第二涡轮9连接，第二涡轮9与螺杆17连接，螺杆17和升降件2螺纹连接，第二电机12的转动经蜗杆传动带动螺杆17转动，螺杆17转动实现升降件2的升降。
升降件2的两端分别与外轴3套接，并可相对外轴3上下运动，本例中，连接部6采用设于内轴4周向的横杆，横杆穿过外轴3上设置的配合槽15，横杆可沿配合槽15上下运动，为了受力较为均匀，周向均布有两根横杆，升降件2经横杆向上带动内轴4，内轴4相对外轴3向上运动，反之，升降件2下降，则内轴4相对外轴3向下运动。
横杆同时作为周向传动部件，即当外轴3转动时，通过配合槽15带动横杆转动，横杆转动带动内轴4转动，内轴4转动带动转盘转动，进而带动拖布转动。
本例中采用的第一驱动机构包括第一电机10、第一蜗杆11、第一涡轮8，第一电机10采用双出电机，双出电机两个转动端各连接一个第一蜗杆11，相应的，第一涡轮8也有两个，第一电机10经蜗杆传动带动第一涡轮8所在轴旋转，第一涡轮8所在轴经齿轮传动带动与外轴3连接的齿轮7旋转，从而实现一个第一电机10带动两个拖布单元1的外轴3旋转。
还包括弹性件16，对于内轴4与转盘连接的情形，弹性件16用于向下弹性支撑内轴4或/和转盘，对于外轴3与转盘连接的情形，弹性件16用于向下弹性支撑外轴3或/和转盘。本例中采用内轴4与转盘连接的情形。
弹性件16采用压簧，该压簧设于内轴4与外轴3上端之间，结构非常紧凑，而外轴3上下两端均连接有轴承5，外轴3设定在这两个轴承5之间。
当升降件2上升时，带动内轴4上升，压簧受到压缩，当升降件2下降时，压簧弹性支撑内轴4向下，本例中，为了使拖布较好地贴合被清洁面，因此当拖布贴合被清洁面时，压簧设定为仍然处于压缩状态，因此就可以实现对不平的被清洁面的自适应清洁，而且，清洁时具有一定的压力，清洁效果更佳。
还包括位置检测机构，位置检测机构用于控制拖布单元1的升降位置，比如给第二电机12设置位置检测用的码盘，通过码盘检测第二电机12旋转的位置，从而控制拖布单元1的升降位置，这样的设计，能够避免断电、程序运行错误等引起的升降功能异常，当出现意外，只要检测到码盘归零，控制部分就能够知道拖布单元1回到了初始位置，这样，第二电机12就可以及时停止工作，而不会发生已到位置但是还在转动的问题，因此显著提高了升降功能的可靠性。
本例中，拖布单元升降装置的整体布局为：两个拖布单元1左右分布设置，升降件2位于两个拖布单元1的两个轴心之间，第一驱动机构位于升降件2的前侧，第一电机10居中设置，螺旋升降机构位于升降件2的后侧，螺杆17居中设置，为了使升降件2升降平稳，还设有导向杆14。前述整体布局结构紧凑，整体高度低，节省了高度空间，而性能方面，能够很好地实现升降功能，且升降动作平稳准确，性能稳定可靠。
一种清洁机，设有所述的拖布单元升降装置，即将所述的拖布单元升降装置安装在清洁机的机壳内，并将电机、码盘连接清洁机的控制部分进行控制。
本发明的工作原理可以参考如下：当需要升起拖布单元1时，第一电机10保持停机状态，第二电机12旋转升起升降件2，升降件2提升内轴4，从而使拖布单元1升起，反之则下降，当下降到位，重新启动第一电机10，则可继续清洁。
本发明通过巧妙的设计，实现直接升降拖布单元1，克服了升降部位重量较重的问题，另外，本发明实施例还具有结构简单紧凑、耐久性好、稳定可靠、成本低的优点，具有很强的实用性，能够促进拖布单元升降功能的更新换代，使清洁机更好用。
以上就本发明进行举例说明，但不能理解为是对权利要求的限制。本发明不仅局限于以上实施例，其具体结构允许有变化，凡在本发明独立要求的保护范围内所作的各种变化均在本发明的保护范围内。

Claims (1)

  1. 一种用于提升拖布的升降机构，包括驱动单元，其特征在于，还包括可上下移动的升降件，该升降件与拖布单元的旋转轴连接，升降件用于带动旋转轴轴向移动，驱动单元的驱动部分用于升降升降件。
    2、如权利要求1所述的用于提升拖布的升降机构，其特征在于，升降件设有周向升降端，各周向升降端与拖布单元的旋转轴连接，升降件的位于周向升降端之间的部分为下沉设计。
    3、如权利要求1所述的用于提升拖布的升降机构，其特征在于，驱动部分与升降件的一个连接部分连接，该连接部分到各旋转轴的距离相等。
    4、如权利要求1所述的用于提升拖布的升降机构，其特征在于，升降件连接有导向杆。
    5、如权利要求1或2或3或4所述的用于提升拖布的升降机构，其特征在于，当拖布为两个时，升降件设置为条状横梁件，该横梁件的两端作为周向升降端，该两端分别连接一个拖布单元的旋转轴。
    6、如权利要求5所述的用于提升拖布的升降机构，其特征在于，所述的两端之间设有低于两端的凹陷部分。
    7、如权利要求6所述的用于提升拖布的升降机构，其特征在于，导向杆位于凹陷部分中。
    8、如权利要求6所述的用于提升拖布的升降机构，其特征在于，驱动单元包括第二电机，第二电机位于横梁件的前侧或后侧或上侧，第二电机与驱动部分传动连接，驱动部分与凹陷部分连接。
    9、如权利要求8所述的用于提升拖布的升降机构，其特征在于，驱动部分采用螺杆件，凹陷部分设有螺母，螺杆件旋转带动螺母上下移动，螺母上下移动用于带动升降件上下移动。
    10、如权利要求9所述的用于提升拖布的升降机构，其特征在于，第二电机与横梁件并列设置，第二电机与螺杆件之间设置减速传动结构。
    11、如权利要求1或2或3或4所述的用于提升拖布的升降机构，其特征在于，拖布单元的旋转轴包括内轴和外轴，内轴与外轴套接，内轴连接拖布，内轴与升降件连接，内轴用于带动拖布一起升降，或者，外轴连接拖布，外轴与升降件连接，外轴用于带动拖布一起升降。
    12、如权利要求11所述的用于提升拖布的升降机构，其特征在于，对于内轴连接拖布的情形，包括设于内轴周向的横杆，横杆穿过外轴上设置的配合槽，横杆可沿配合槽上下运动，升降件经横杆向上带动内轴相对外轴向上运动，升降件下降时，则内轴相对外轴向下运动。
    13、如权利要求12所述的用于提升拖布的升降机构，其特征在于，还包括压簧，该压簧设于内轴与外轴上端之间，升降件经横杆向上带动内轴相对外轴向上运动时压缩该压簧，升降件下降时，则压簧顶动内轴相对外轴向下运动。
    14、如权利要求13所述的用于提升拖布的升降机构，其特征在于，升降件向下移动的距离大于内轴向下移动的距离。
    15、如权利要求11所述的用于提升拖布的升降机构，其特征在于，升降件与外轴套接，并可相对外轴上下运动。
    16、如权利要求1所述的用于提升拖布的升降机构，其特征在于，还包括位置检测机构，位置检测机构用于控制旋转轴的升降位置。
    17、一种清洁机，其特征在于，设有权利要求1至16任意一项权利要求所述的用于提升拖布的升降机构。
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