WO2022012214A1 - 电动窗帘及其驱动装置 - Google Patents

电动窗帘及其驱动装置 Download PDF

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Publication number
WO2022012214A1
WO2022012214A1 PCT/CN2021/098615 CN2021098615W WO2022012214A1 WO 2022012214 A1 WO2022012214 A1 WO 2022012214A1 CN 2021098615 W CN2021098615 W CN 2021098615W WO 2022012214 A1 WO2022012214 A1 WO 2022012214A1
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WO
WIPO (PCT)
Prior art keywords
guide rail
driving device
guide
wheel
movable shaft
Prior art date
Application number
PCT/CN2021/098615
Other languages
English (en)
French (fr)
Inventor
雷振邦
雷兴邦
Original Assignee
东莞市雷富溢窗饰科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 东莞市雷富溢窗饰科技有限公司 filed Critical 东莞市雷富溢窗饰科技有限公司
Publication of WO2022012214A1 publication Critical patent/WO2022012214A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47H—FURNISHINGS FOR WINDOWS OR DOORS
    • A47H1/00—Curtain suspension devices
    • A47H1/04—Curtain rails
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47H—FURNISHINGS FOR WINDOWS OR DOORS
    • A47H5/00—Devices for drawing draperies, curtains, or the like
    • A47H5/02—Devices for opening and closing curtains

Definitions

  • the embodiments of the present application relate to the technical field of electric curtains, and in particular, to an electric curtain and a driving device thereof.
  • an electric curtain includes a guide rail on which the curtain is hung, a driving device assembled on the guide rail, and a control device connected with the driving device for controlling the working state of the driving device.
  • the front end of the curtain is also fixed on the driving device, wherein the driving device It usually includes a casing, a rotating power member assembled in the casing, a traveling wheel pivotally connected to the casing, and a transmission that realizes power transmission between the output shaft connected to the rotating power member and the axle of the traveling wheel.
  • the wheel surface of the walking wheel is in close contact with the surface of the guide rail, the walking wheel is usually arranged on the lower surface of the guide rail, and the movement of the walking wheel on the guide rail is realized through the friction between the two.
  • the inventor found in actual use that the friction force between the traveling wheel and the guide rail of this installation structure is not strong. not fluent.
  • the technical problem to be solved by the embodiments of the present application is to provide a driving device for an electric curtain, which can effectively and stably realize the opening and closing of the curtain.
  • the technical problem to be solved by the further embodiments of the present application is to provide an electric curtain, which can effectively and stably realize the opening and closing of the curtain.
  • a driving device for an electric curtain which is used to be fixed with the curtain to drive the curtain to move in the axial direction of the guide rail
  • the driving device includes a housing, pivotally connected to A running wheel on the casing and pressing against the guide rail, a drive mechanism assembled in the casing for driving the running wheel to roll along the axial direction of the guide rail, and both ends are pivotally connected to the corresponding movable shaft
  • a limit roller seat and assembled to the casing through the movable axle seat and an elastic member for elastically pushing the movable axle seat to push the limit roller against the guide rail, the traveling wheel and the limiter
  • the positioning rollers tightly press the guide rail from the upper and lower sides of the guide rail respectively.
  • the opposite sides of the housing are respectively provided with vertically extending guide holes, the elastic member and the movable shaft seat are placed in each of the guide holes in sequence, and the two ends of the elastic member are respectively abutted against each other.
  • the bottom wall of the hole on the top of the movable shaft seat and the guide hole, and the guide hole and the movable shaft seat are respectively provided with mutual cooperation to prevent the movable shaft seat from being completely separated from the guide hole. .
  • the casing is assembled with a vertically arranged guide cylinder with a closed bottom end, the elastic member and the movable shaft seat are placed into the guide cylinder in sequence, and the two ends of the elastic member respectively abut against the guide cylinder.
  • the movable shaft seat and the bottom wall of the guide cylinder are respectively provided with support arms on both sides of the top of the movable shaft seat.
  • the movable shaft seat and the movable shaft seat are respectively provided with anti-separation parts which cooperate with each other to prevent the movable shaft seat from being completely separated from the guide cylinder.
  • the anti-falling part includes barbs and snap holes that are snap-fitted with each other.
  • the guide rail is a linear guide rod
  • the casing is provided with a perforation transversely passing through the casing
  • the guide rail passes through the perforation
  • the traveling wheel and the limit roller are respectively arranged in the perforation.
  • the upper and lower surfaces of the guide rail are respectively abutted on the upper surface and the lower surface of the guide rail with the wheel surface.
  • the guide rail is a hollow pipe
  • one side of the pipe is provided with a through groove penetrating the pipe wall and extending along the axial direction of the guide rail
  • the middle part of the top surface of the casing is formed to protrude upward to pass through the through hole.
  • the groove extends into the protruding part inside the guide rail, the opposite sides of the protruding part are symmetrically pivoted with traveling wheels that press against the inner surface of the pipe wall on both sides of the groove, and the limiting roller is located outside the guide rail and press against the outer surfaces of the pipe walls on both sides of the through-groove.
  • the guide rail is an I-shaped guide rail, two sides of the guide rail are respectively provided with a rolling groove, the middle of the top surface of the casing is recessed to form a groove, and the opposite two side walls of the groove are also pivoted respectively.
  • the walking wheel is connected, the wheel surface of the limit roller is exposed from the bottom wall of the groove, the guide rail passes through the groove, and the wheel surface of the walking wheel on the two side walls of the groove They are respectively pressed against the groove bottom walls of the two rolling grooves of the guide rail, and the wheel surfaces of the limit rollers are elastically pressed against the bottom surface of the guide rail.
  • the part where the traveling wheel abuts against the guide rail has an elastic material layer and forms an adapting part adapted to the shape of the part of the guide rail that is pressed by the traveling wheel.
  • the driving mechanism includes a rotary power member and a transmission assembly connected between an output shaft of the rotary power member and an axle of a traveling wheel to realize power transmission, and the rotary power member is correspondingly located below the guide rail.
  • an electric curtain comprising a guide rail, a driving device assembled on the guide rail, and connected with the driving device for controlling the working state of the driving device
  • the control device and the curtain whose front end is fixed on the drive device, the drive device is the drive device described in any one of the above.
  • the embodiment of the present application has at least the following beneficial effects: the embodiment of the present application closely presses the guide rail from the upper and lower sides of the guide rail through the walking wheel and the limit roller respectively, and pivots the two ends of the limit roller Connected to the corresponding movable axle seat and assembled to the housing through the movable axle seat, and the elastic piece elastically pushes the movable axle seat to push the limit roller to press the guide rail to ensure that the traveling wheel and the limit roller The surface of the wheel can always be in close contact with the guide rail.
  • the driving mechanism drives the running wheel to rotate, since the wheel surface of the running wheel is in close contact with the surface of the guide rail, the frictional resistance between the two causes the running wheel to move along the axial direction of the guide rail. Rolling, so that the entire driving device and the cord fixed on the driving device slide along the guide rail, thereby effectively and stably realizing the opening and closing of the cord.
  • FIG. 1 is a schematic diagram of a disassembled state of an optional embodiment of a driving device for an electric curtain of the present application.
  • FIG. 2 is a schematic three-dimensional structural diagram of an optional embodiment of the driving device of the electric curtain of the present application.
  • FIG. 3 is a schematic cross-sectional structure diagram of an optional embodiment of the driving device of the electric curtain of the present application along the axial direction of the traveling wheel.
  • FIG. 4 is a schematic cross-sectional structural diagram of an optional embodiment of the driving device of the electric curtain of the present application along the central axis of the accommodating hole.
  • FIG. 5 is a schematic diagram of a disassembled state of a guide cylinder and an elastic member of an optional embodiment of the driving device of the electric curtain of the present application.
  • FIG. 6 is a schematic diagram of a dismantling state of further dismantling after dismantling the half-side casing in still another optional embodiment of the driving device of the electric curtain of the present application.
  • FIG. 7 is a schematic three-dimensional structural diagram of yet another optional embodiment of the driving device of the electric curtain of the present application.
  • FIG. 8 is a schematic cross-sectional structure diagram of another optional embodiment of the driving device of the electric curtain of the present application along the longitudinal axis.
  • FIG. 9 is a schematic cross-sectional structure diagram of another alternative embodiment of the driving device of the electric curtain of the present application along the longitudinal axis.
  • FIG. 10 is a schematic structural diagram of an optional embodiment of the electric curtain of the present application.
  • an optional embodiment of the present application provides a driving device 1 for an electric curtain, which is used to be fixed with the curtain 3 to drive the curtain 3 to move in the axial direction of the guide rail 5.
  • the driving device 1 It includes a casing 10 , a running wheel 12 pivotally connected to the casing 10 and pressing against the guide rail 5 , and assembled in the casing 10 to drive the running wheel 12 along the axial direction of the guide rail 5 .
  • the driving mechanism 14 for rolling travel the limit rollers 17 which are pivotally connected to the corresponding movable axle bases 16 at both ends and assembled to the housing 10 through the movable axle bases 16 , and the movable axle bases 16 for elastically pushing against the movable axle bases 16 to
  • the limit roller 17 is urged to press against the elastic member 18 of the guide rail 5 , and the traveling wheel 12 and the limit roller 17 tightly press the guide rail 5 from the upper and lower sides of the guide rail 5 respectively.
  • the traveling wheel 12 and the limit roller 17 are used to press the guide rail 5 tightly from the upper and lower sides of the guide rail 5 respectively, and the two ends of the limit roller 17 are pivotally connected to the corresponding movable axle seat 16 and pass through the guide rail 5.
  • the movable axle seat 16 is assembled to the housing 10, and the elastic member 18 elastically pushes the movable axle seat 16 to push the limit roller 17 to press the guide rail 5, so as to ensure that the running wheel 12 and the limit roller 17 are not in contact with each other.
  • the surface can always be in close contact with the guide rail 5.
  • FIG. 1 and FIG. 4 two opposite sides of the housing 10 are respectively provided with vertically extending guide holes 101 , and each of the guide holes 101 is placed in sequence in each of the guide holes 101 .
  • the elastic member 18 and the movable shaft seat 16, the two ends of the elastic member 18 respectively abut the movable shaft seat 16 and the bottom wall of the guide hole 101, the guide hole 101 and the movable shaft
  • the shaft bases 16 are also provided with anti-separation parts 103 which cooperate with each other to prevent the movable shaft bases 16 from being completely separated from the guide holes 101 .
  • both ends of the limiting roller 17 are provided with the guide holes 101 and the movable shaft seat 16 .
  • the casing 10 is assembled with a guide cylinder 101 that is vertically arranged and has a closed bottom end, and the elastic member 18 and the movable shaft seat 16 are arranged in sequence.
  • the two ends of the elastic member 18 abut the movable shaft seat 16 and the bottom wall of the guide cylinder 101 respectively, and support arms protrude from the top of the movable shaft seat 16 respectively.
  • the ends of the two support arms 161 are formed with shaft holes 1610 for pivoting the two ends of the axle of the limit roller 17.
  • the guide cylinder 101 and the movable shaft seat 16 are also provided with mutual cooperation to prevent the movable shaft seat.
  • the elastic member 18 and the movable shaft seat 16 are sequentially placed into the guide cylinder 101, and the movable shaft seat 16 is moved axially along the guide cylinder 101 by the elastic member 18 pushing against the movable shaft seat 16, so that the same can be achieved.
  • the limit roller 17 is pressed against the guide rail 5 tightly.
  • the guide cylinder 101 is locked on the housing 10 by screws.
  • the anti-releasing portion 103 includes a barb 1030 and a locking hole 1032 that are snap-fitted with each other.
  • the barbs 1030 and the locking holes 1032 that are engaged with each other can effectively prevent the movable shaft seat 16 from being completely separated from the guide hole 101 or the guide cylinder 101 .
  • the barbs 1030 and the locking holes 1032 are respectively provided on the side walls of the movable shaft seat 16 and the guide hole 101 ; in the embodiment of FIG. 5 , the barbs 1030 and the locking holes 1032 are respectively disposed on the side walls of the movable axle seat 16 and the guide cylinder 101.
  • the barbs 1030 and the clamping holes 1032 can be exchanged with each other, which can also prevent the movable axle seat 16 from coming out completely.
  • the guide rail 5 is a linear guide rod
  • the casing 10 is provided with a through hole 105 transversely passing through the casing 10 .
  • the guide rail 5 passes through the through hole 105
  • the traveling wheel 12 and the limit roller 17 are respectively disposed above and below the through hole 105 and abut on the upper surface and the lower surface of the guide rail 5 with their wheel surfaces.
  • the guide rail 5 adopts a linear guide rod, and a corresponding installation structure is used to match it, which can be flexibly selected according to different requirements during production design.
  • the housing 10 includes a bottom shell 10a and a cover shell 10b that are fastened to each other, and the bottom shell 10a further includes a front half shell 10c and a rear half shell 10d assembled with each other.
  • the guide rail 5 is a hollow tube, and one side of the tube 5 is provided with a through groove penetrating the tube wall and extending axially along the guide rail 5 . 50.
  • the middle part of the top surface of the casing 10 protrudes upward to form a protruding part 107 for extending into the interior of the guide rail 5 through the through slot 50, and the opposite sides of the protruding part 107 pivot symmetrically.
  • the running wheels 12 are connected to the inner surfaces of the pipe walls on both sides of the through groove 50 .
  • a hollow pipe is used, and corresponding installation structure is used to match it, and different installation structures are provided.
  • the housing 10 includes a left half-shell 10e and a right half-shell 10f that are fastened to each other.
  • the housing 10 A power module 1070 for supplying power to the rotating power member 12 is also installed therein.
  • the guide rail 5 is an I-shaped guide rail
  • two sides of the guide rail 5 are respectively provided with a rolling groove 50
  • the top surface of the housing 10 is A groove 109 is formed in the depression in the middle, and the walking wheels are pivotally connected to the opposite side walls of the groove.
  • the wheel surface of the limit roller 17 is exposed from the bottom wall of the groove 109.
  • the wheel surface of 17 is elastically pressed against the bottom surface of the guide rail 5 .
  • an I-shaped guide rail is used according to the guide rail 5, and a corresponding installation structure is also used to match it, and different installation structures are provided.
  • the production design can be flexibly selected according to different needs.
  • the part where the traveling wheel 12 abuts against the guide rail 5 has an elastic material layer 121 and forms a part of the traveling wheel 12 that is connected to the guide rail 5 by the traveling wheel 12 .
  • the fitting part 123 is adapted to the shape of the pressed part.
  • the elastic material layer 121 is provided at the part where the traveling wheel 12 abuts against the guide rail 5, so as to realize the close pressing of the two, and the fitting part 123 is provided to effectively limit the position of the guide rail 5 and avoid the deviation of the guide rail 5. incline.
  • the fitting portion 123 is an fitting groove.
  • the driving mechanism 14 includes a rotary power member 141 and an output shaft connected to the rotary power member 141 and an axle of the traveling wheel 12 to realize power transmission
  • the transmission assembly 143 is correspondingly located below the guide rail 5 .
  • the transmission assembly 143 is used to realize the power transmission between the rotating power member 141 and the traveling wheel 12, which can effectively realize the rotation of the traveling wheel 12;
  • the transmission assembly 143 can be realized in the form of a transmission belt, a transmission gear or a transmission chain. motor.
  • an embodiment of the present application provides an electric curtain, which includes a guide rail 5 , a driving device 1 assembled on the guide rail 5 , and connected to the driving device 1 for controlling the operation of the driving device 1
  • the state control device 7 and the curtain 3 whose front end is fixed on the driving device 1 is the driving device described in any one of the above.
  • the electric curtain of this embodiment adopts the above-mentioned driving device 1, which can effectively realize the opening and closing of the curtain 3, and has a simple structure and convenient installation.

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  • Curtains And Furnishings For Windows Or Doors (AREA)

Abstract

一种电动窗帘及其驱动装置（1），驱动装置（1）用于与帘布（3）相固定以驱动帘布（3）沿导轨（5）的轴向运动，驱动装置（1）包括壳体（10）、枢接于壳体（10）上并抵压导轨（5）的行走轮（12）、组装于壳体（10）内用于驱动行走轮（12）沿导轨（5）的轴向滚动行进的驱动机构（14）、两端枢接于对应的活动轴座（16）并通过活动轴座（16）组装至壳体（10）上的限位滚轮（17）以及用于弹性抵推活动轴座（16）以促使限位滚轮（17）抵压导轨（5）的弹性件（18），行走轮（12）和限位滚轮（17）分别从导轨（5）上下两侧紧密抵压导轨（5）。通过行走轮（12）和限位滚轮（17）分别从导轨（5）上下两侧紧密抵压导轨（5），实现对导轨（5）的限位，保证行走轮（12）的轮面始终紧密抵接在导轨（5）上，实现帘布（3）稳定开合。

Description

电动窗帘及其驱动装置 技术领域
本申请实施例涉及电动窗帘技术领域，尤其涉及一种电动窗帘及其驱动装置。
 背景技术
通常地，电动窗帘包括挂设有帘布的导轨、组装于导轨上的驱动装置、与驱动装置相连用于控制驱动装置工作状态的控制装置，帘布的前端还固定于驱动装置上，其中，驱动装置通常包括壳体、组装于所述壳体内的旋转动力件、枢接于所述壳体上的行走轮以及连接于所述旋转动力件的输出轴和行走轮的轮轴之间实现动力传递的传动机构，所述行走轮的轮面与导轨的表面紧密抵接，行走轮通常设置于导轨的下表面，通过两者之间的摩擦实现行走轮在导轨上的运动。但是，发明人在实际使用时发现，这种安装结构行走轮和导轨之间的摩擦力不强，在长期使用后，由于导轨或行走轮表面的磨损，容易导致行走轮打滑，帘布的开合不流畅。
 技术问题
本申请实施例所要解决的技术问题在于，提供一种电动窗帘的驱动装置，能有效、稳定的实现帘布的开合。
本申请进一步实施例所要解决的技术问题在于，提供一种电动窗帘，能有效、稳定的实现帘布的开合。
 技术解决方案
为了解决上述技术问题，本申请实施例提供以下技术方案：一种电动窗帘的驱动装置，用于与帘布相固定以驱动帘布沿导轨的轴向运动，所述驱动装置包括壳体、枢接于所述壳体上并抵压所述导轨的行走轮、组装于所述壳体内用于驱动所述行走轮沿所述导轨的轴向滚动行进的驱动机构、两端枢接于对应的活动轴座并通过所述活动轴座组装至壳体上的限位滚轮以及用于弹性抵推所述活动轴座以促使限位滚轮抵压所述导轨的弹性件，所述行走轮和所述限位滚轮分别从所述导轨上下两侧紧密抵压所述导轨。
进一步的，所述壳体的相对两侧分别设置有竖向延长的导向孔，每个所述导向孔内依次放置所述弹性件和所述活动轴座，所述弹性件的两端分别抵顶所述活动轴座和所述导向孔的孔底壁，所述导向孔和所述活动轴座上还分别设置有相互配合以防止所述活动轴座完全脱离所述导向孔的防脱部。
进一步的，所述壳体内组装有竖向设置且底端封闭的导筒，所述弹性件和所述活动轴座依次放置入所述导筒内，所述弹性件的两端分别抵顶所述活动轴座和所述导筒底壁，所述活动轴座顶部两侧分别伸出有支撑臂，两支撑臂末端形成供限位滚轮的轮轴两端枢接的轴孔，所述导筒和所述活动轴座上还分别设置有相互配合以防止所述活动轴座完全脱离所述导筒的防脱部。
进一步的，所述防脱部包括相互卡扣配合的倒钩和卡孔。
进一步的，所述导轨为直线导杆，所述壳体上设有横向贯穿所述壳体的穿孔，所述导轨穿过所述穿孔，所述行走轮和限位滚轮分别设置于所述穿孔的上方和下方并以轮面分别抵接于所述导轨的上表面和下表面上。
进一步的，所述导轨为中空的管件，所述管件一侧开设有贯穿管壁且沿导轨轴向延伸的穿槽，所述壳体的顶面中部向上凸起形成用于穿过所述穿槽伸入所述导轨内部的凸出部，所述凸出部的相对两侧对称地枢接有抵压于穿槽两侧的管壁内表面的行走轮，所述限位滚轮位于导轨外部并抵压于所述穿槽两侧的管壁的外表面。
进一步的，所述导轨为工字型导轨，所述导轨的两侧分别设有一个滚动槽，所述壳体的顶面中部凹陷形成凹槽，所述凹槽的相对两侧壁还分别枢接有所述行走轮，所述限位滚轮的轮面自所述凹槽的槽底壁露出，所述导轨穿过所述凹槽，所述凹槽的两侧壁的行走轮的轮面分别抵压于所述导轨的两个滚动槽的槽底壁上，所述限位滚轮的轮面弹性抵压于所述导轨底面上。
进一步的，所述行走轮与所述导轨相抵接的部位具有弹性材料层并形成与所述导轨的被所述行走轮抵压的部位形状相适配的适配部。
进一步的，所述驱动机构包括旋转动力件以及连接于所述旋转动力件的输出轴和行走轮的轮轴之间实现动力传递的传动组件，所述旋转动力件对应位于所述导轨的下方。
再一方面，为了解决上述技术问题，本申请实施例提供以下技术方案：一种电动窗帘，包括导轨、组装于所述导轨上的驱动装置、与所述驱动装置相连用于控制驱动装置工作状态的控制装置以及前端固定于所述驱动装置上的帘布，所述驱动装置为如上述任一项所述的驱动装置。
 有益效果
采用上述技术方案后，本申请实施例至少具有如下有益效果：本申请实施例通过行走轮和限位滚轮分别从所述导轨上下两侧紧密抵压所述导轨，并将限位滚轮两端枢接于对应的活动轴座并通过所述活动轴座组装至壳体上，而且，弹性件弹性抵推所述活动轴座以促使限位滚轮抵压所述导轨，保证行走轮和限位滚轮的轮面始终能紧密抵接在导轨上，当驱动机构驱动行走轮转动时，由于行走轮的轮面与导轨的表面紧密抵接，二者之间产生摩擦阻力促使行走轮沿导轨的轴向滚动行进，进而使得整个驱动装置以及固定于驱动装置上的帘布均随之沿导轨滑动，从而能有效、稳定的实现帘布的开合。
 附图说明
图1为本申请电动窗帘的驱动装置一个可选实施例的分拆状态示意图。
图2为本申请电动窗帘的驱动装置一个可选实施例的立体结构示意图。
图3为本申请电动窗帘的驱动装置一个可选实施例沿行走轮轴向的剖面结构示意图。
图4为本申请电动窗帘的驱动装置一个可选实施例沿容纳孔的中轴线的剖面结构示意图。
图5为本申请电动窗帘的驱动装置一个可选实施例导筒和弹性件的分拆状态示意图。
图6为本申请电动窗帘的驱动装置又一个可选实施例中拆除半边壳体后进一步拆解的分拆状态示意图。
图7为本申请电动窗帘的驱动装置又一个可选实施例的立体结构示意图。
图8为本申请电动窗帘的驱动装置又一个可选实施例沿长度方向中轴线的剖面结构示意图。
图9为本申请电动窗帘的驱动装置再一个可选实施例沿长度方向中轴线的剖面结构示意图。
图10为本申请电动窗帘一个可选实施例的结构示意图。
 本发明的实施方式
下面结合附图和具体实施例对本申请作进一步详细说明。应当理解，以下的示意性实施例及说明仅用来解释本申请，并不作为对本申请的限定，而且，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互结合。
如图1-图4所示，本申请一个可选实施例提供一种电动窗帘的驱动装置1，用于与帘布3相固定以驱动帘布3沿导轨5的轴向运动，所述驱动装置1包括壳体10、枢接于所述壳体10上并抵压所述导轨5的行走轮12、组装于所述壳体10内用于驱动所述行走轮12沿所述导轨5的轴向滚动行进的驱动机构14、两端枢接于对应的活动轴座16并通过所述活动轴座16组装至壳体10上的限位滚轮17以及用于弹性抵推所述活动轴座16以促使限位滚轮17抵压所述导轨5的弹性件18，所述行走轮12和所述限位滚轮17分别从所述导轨5上下两侧紧密抵压所述导轨5。
本申请实施例通过行走轮12和限位滚轮17分别从所述导轨5上下两侧紧密抵压所述导轨5，并将限位滚轮17两端枢接于对应的活动轴座16并通过所述活动轴座16组装至壳体10上，而且，弹性件18弹性抵推所述活动轴座16以促使限位滚轮17抵压所述导轨5，保证行走轮12和限位滚轮17的轮面始终能紧密抵接在导轨5上，当驱动机构14驱动行走轮12转动时，由于行走轮12的轮面与导轨5的表面紧密抵接，二者之间产生摩擦阻力促使行走轮12沿导轨5的轴向滚动行进，进而使得整个驱动装置1以及固定于驱动装置1上的帘布3均随之沿导轨5滑动，从而能有效、稳定的实现帘布3的开合。在如图1-图3的实施例中，所述行走轮12的轮轴两端还组装有轴承19，行走轮12的轮轴借助所述轴承19安装至壳体10上，所述弹性件18采用螺旋弹簧。
在本申请又一个可选实施例中，如图1和图4所示，所述壳体10的相对两侧分别设置有竖向延长的导向孔101，每个所述导向孔101内依次放置所述弹性件18和所述活动轴座16，所述弹性件18的两端分别抵顶所述活动轴座16和所述导向孔101的孔底壁，所述导向孔101和所述活动轴座16上还分别设置有相互配合以防止所述活动轴座16完全脱离所述导向孔101的防脱部103。本实施例通过设置导向孔101，将弹性件18和所述活动轴座16依次放置于导向孔101内，通过弹性件18抵推活动轴座16而使活动轴座16沿导向孔101轴向运动，从而使限位滚轮17紧密抵压所述导轨5。另外，在如图1的实施例中，限位滚轮17的两端均设有所述导向孔101和活动轴座16。
在本申请再一个可选实施例中，如图5所示，所述壳体10内组装有竖向设置且底端封闭的导筒101，所述弹性件18和所述活动轴座16依次放置入所述导筒101内，所述弹性件18的两端分别抵顶所述活动轴座16和所述导筒101底壁，所述活动轴座16顶部两侧分别伸出有支撑臂161，两支撑臂161末端形成供限位滚轮17的轮轴两端枢接的轴孔1610，所述导筒101和所述活动轴座16上还分别设置有相互配合以防止所述活动轴座16完全脱离所述导筒101的防脱部103。本实施例通过弹性件18和所述活动轴座16依次放置入所述导筒101，通过弹性件18抵推活动轴座16而使活动轴座16沿导筒101轴向运动，从而同样能使限位滚轮17紧密抵压所述导轨5，在如图6的实施例中，所述导筒101通过螺丝锁固在壳体10上。
在本申请另一个可选实施例中，如图1所示，所述防脱部103包括相互卡扣配合的倒钩1030和卡孔1032。本实施例通过相互扣合的倒钩1030和卡孔1032，可有效的防止活动轴座16完全脱离导向孔101或导筒101。在如图1的实施例，所述倒钩1030和卡孔1032分别设于活动轴座16和导向孔101的侧壁上；在如图5的实施例中，所述倒钩1030和卡孔1032分别设于所述活动轴座16和导筒101的侧壁上，另外，可以理解的是，所述倒钩1030和卡孔1032可相互交换，同样可以防止活动轴座16完全脱出。
在本申请又一个可选实施例中，如图1-图4所示，所述导轨5为直线导杆，所述壳体10上设有横向贯穿所述壳体10的穿孔105，所述导轨5穿过所述穿孔105，所述行走轮12和限位滚轮17分别设置于所述穿孔105的上方和下方并以轮面分别抵接于所述导轨5的上表面和下表面上。本实施例中导轨5采用直线导杆，对应采用相应的安装结构与之匹配，在生产设计时可根据不同需求灵活选择。在如图1的实施例中，所述壳体10包括相互扣合的底壳10a和罩壳10b，所述底壳10a又包括相互组装的前半壳10c和后半壳10d。
在本申请再一个可选实施例中，如图6至图8所示，所述导轨5为中空的管件，所述管件5一侧开设有贯穿管壁且沿导轨5轴向延伸的穿槽50，所述壳体10的顶面中部向上凸起形成用于穿过所述穿槽50伸入所述导轨5内部的凸出部107，所述凸出部107的相对两侧对称地枢接有抵压于穿槽50两侧的管壁内表面的行走轮12，所述限位滚轮17位于导轨5外部并抵压于所述穿槽50两侧的管壁的外表面。本实施例中根据导轨5采用中空的管件，对应采用相应的安装结构与之匹配，提供不同的安装结构，同样地，在生产设计时可根据不同需求灵活选择。在如图6-图8所示的实施例中，所述壳体10包括相互扣合左半壳10e和右半壳10f，在图6中仅展示了左半壳10e，所述壳体10内还安装有为旋转动力件12提供电力供应的电源模块1070。
在本申请又一个可选实施例中，如图9所示，所述导轨5为工字型导轨，所述导轨5的两侧分别设有一个滚动槽50，所述壳体10的顶面中部凹陷形成凹槽109，所述凹槽的相对两侧壁还分别枢接有所述行走轮，所述限位滚轮17的轮面自所述凹槽109的槽底壁露出，所述导轨5穿过所述凹槽109，所述凹槽109的两侧壁的行走轮12的轮面分别抵压于所述导轨5的两个滚动槽50的槽底壁上，所述限位滚轮17的轮面弹性抵压于所述导轨5底面上。本实施例中根据导轨5采用工字型导轨，同样也对应采用相应的安装结构与之匹配，提供不同的安装结构，同样地，在生产设计时可根据不同需求灵活选择。
在本申请另一个可选实施例中，如图4所示，所述行走轮12与所述导轨5相抵接的部位具有弹性材料层121并形成与所述导轨5的被所述行走轮12抵压的部位形状相适配的适配部123。本实施例通过在行走轮12与所述导轨5相抵接的部位具有弹性材料层121，实现二者的紧密抵压，而且设置适配部123，有效对导轨5限位，避免导轨5发生偏斜。在如图1-图5的实施例中，所述适配部123为适配凹槽。
在本申请又一个可选实施例中，如图1所示，所述驱动机构14包括旋转动力件141以及连接于所述旋转动力件141的输出轴和行走轮12的轮轴之间实现动力传递的传动组件143，所述旋转动力件141对应位于所述导轨5的下方。本实施例采用传动组件143实现旋转动力件141和行走轮12之间的动力传递，能有效实现行走轮12的转动；又将旋转动力件141对应位于所述导轨5的下方，整体安装机构更为简单，方便实施。在具体实施时，所述传动组件143可以采用传动带、传动齿轮或传动链条等形式实现，在本申请的各个实施例中，所述传动组件143采用传动齿轮，所述旋转动力件141可采用旋转电机。
再一方面，如图10所示，本申请实施例提供一种电动窗帘，包括导轨5、组装于所述导轨5上的驱动装置1、与所述驱动装置1相连用于控制驱动装置1工作状态的控制装置7以及前端固定于所述驱动装置1上的帘布3，所述驱动装置1为如上述任一项所述的驱动装置。本实施例电动窗帘采用上述的驱动装置1，能有效的实现帘布3的开合，而且结构简单，安装方便。
[0038] 上面结合附图对本申请的实施例进行了描述，但是本申请并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多形式，这些均属于本申请的保护范围之内。

Claims (10)

  1. 一种电动窗帘的驱动装置，用于与帘布相固定以驱动帘布沿导轨的轴向运动，所述驱动装置包括壳体、枢接于所述壳体上并抵压所述导轨的行走轮以及组装于所述壳体内用于驱动所述行走轮沿所述导轨的轴向滚动行进的驱动机构，其特征在于，所述驱动装置还包括两端枢接于对应的活动轴座并通过所述活动轴座组装至壳体上的限位滚轮以及用于弹性抵推所述活动轴座以促使限位滚轮抵压所述导轨的弹性件，所述行走轮和所述限位滚轮分别从所述导轨上下两侧紧密抵压所述导轨。
  2. 如权利要求1所述的电动窗帘的驱动装置，其特征在于，所述壳体的相对两侧分别设置有竖向延长的导向孔，每个所述导向孔内依次放置所述弹性件和所述活动轴座，所述弹性件的两端分别抵顶所述活动轴座和所述导向孔的孔底壁，所述导向孔和所述活动轴座上还分别设置有相互配合以防止所述活动轴座完全脱离所述导向孔的防脱部。
  3. 如权利要求1所述的电动窗帘的驱动装置，其特征在于，所述壳体内组装有竖向设置且底端封闭的导筒，所述弹性件和所述活动轴座依次放置入所述导筒内，所述弹性件的两端分别抵顶所述活动轴座和所述导筒底壁，所述活动轴座顶部两侧分别伸出有支撑臂，两支撑臂末端形成供限位滚轮的轮轴两端枢接的轴孔，所述导筒和所述活动轴座上还分别设置有相互配合以防止所述活动轴座完全脱离所述导筒的防脱部。
  4. 如权利要求2或3所述的电动窗帘的驱动装置，其特征在于，所述防脱部包括相互卡扣配合的倒钩和卡孔。
  5. 如权利要求1或2或3所述的电动窗帘的驱动装置，其特征在于，所述导轨为直线导杆，所述壳体上设有横向贯穿所述壳体的穿孔，所述导轨穿过所述穿孔，所述行走轮和限位滚轮分别设置于所述穿孔的上方和下方并以轮面分别抵接于所述导轨的上表面和下表面上。
  6. 如权利要求1或2或3所述的电动窗帘的驱动装置，其特征在于，所述导轨为中空的管件，所述管件一侧开设有贯穿管壁且沿导轨轴向延伸的穿槽，所述壳体的顶面中部向上凸起形成用于穿过所述穿槽伸入所述导轨内部的凸出部，所述凸出部的相对两侧对称地枢接有抵压于穿槽两侧的管壁内表面的行走轮，所述限位滚轮位于导轨外部并抵压于所述穿槽两侧的管壁的外表面。
  7. 如权利要求1或2或3所述的电动窗帘的驱动装置，其特征在于，所述导轨为工字型导轨，所述导轨的两侧分别设有一个滚动槽，所述壳体的顶面中部凹陷形成凹槽，所述凹槽的相对两侧壁还分别枢接有所述行走轮，所述限位滚轮的轮面自所述凹槽的槽底壁露出，所述导轨穿过所述凹槽，所述凹槽的两侧壁的行走轮的轮面分别抵压于所述导轨的两个滚动槽的槽底壁上，所述限位滚轮的轮面弹性抵压于所述导轨底面上。
  8. 如权利要求1所述的电动窗帘的驱动装置，其特征在于，所述行走轮与所述导轨相抵接的部位具有弹性材料层并形成与所述导轨的被所述行走轮抵压的部位形状相适配的适配部。
  9. 如权利要求1所述的电动窗帘的驱动装置，其特征在于，所述驱动机构包括旋转动力件以及连接于所述旋转动力件的输出轴和行走轮的轮轴之间实现动力传递的传动组件，所述旋转动力件对应位于所述导轨的下方。
  10. 一种电动窗帘，包括导轨、组装于所述导轨上的驱动装置、与所述驱动装置相连用于控制驱动装置工作状态的控制装置以及前端固定于所述驱动装置上的帘布，其特征在于，所述驱动装置为如权利要求1-9任一项所述的驱动装置。
PCT/CN2021/098615 2020-07-16 2021-06-07 电动窗帘及其驱动装置 WO2022012214A1 (zh)

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