WO2018107447A1 - 无操作绳窗帘拉绳控制装置 - Google Patents

无操作绳窗帘拉绳控制装置 Download PDF

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Publication number
WO2018107447A1
WO2018107447A1 PCT/CN2016/110246 CN2016110246W WO2018107447A1 WO 2018107447 A1 WO2018107447 A1 WO 2018107447A1 CN 2016110246 W CN2016110246 W CN 2016110246W WO 2018107447 A1 WO2018107447 A1 WO 2018107447A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaft
friction shaft
friction
cord
curtain
Prior art date
Application number
PCT/CN2016/110246
Other languages
English (en)
French (fr)
Inventor
雷振邦
雷兴邦
Original Assignee
雷振邦
雷兴邦
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 雷振邦, 雷兴邦 filed Critical 雷振邦
Priority to US16/082,935 priority Critical patent/US10988981B2/en
Priority to PCT/CN2016/110246 priority patent/WO2018107447A1/zh
Priority to GB1814862.7A priority patent/GB2563774B/en
Priority to CA3017649A priority patent/CA3017649C/en
Priority to AU2016432645A priority patent/AU2016432645B2/en
Publication of WO2018107447A1 publication Critical patent/WO2018107447A1/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
    • A47H11/00—Curtain cord appurtenances
    • A47H11/02—Engaging-pieces on curtain cords for operating curtains
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/324—Cord-locks
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47H—FURNISHINGS FOR WINDOWS OR DOORS
    • A47H11/00—Curtain cord appurtenances
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/322—Details of operating devices, e.g. pulleys, brakes, spring drums, drives
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/323—Structure or support of upper box
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/327—Guides for raisable lamellar blinds with horizontal lamellae
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/322—Details of operating devices, e.g. pulleys, brakes, spring drums, drives
    • E06B2009/3222—Cordless, i.e. user interface without cords

Definitions

  • the present invention relates to the field of curtain accessories, and more particularly to a control device for a cordless cord puller.
  • curtains are made of cloth, hemp, yarn, aluminum sheets, wood chips, metal materials, etc., which have the function of shading heat insulation and adjusting indoor light.
  • Curtain control is divided into manual and electric; manual curtains include: manual folding curtain, manual pull roller blind, manual silk soft curtain, manual wood blinds, manual roman blind, manual organ curtain, etc.; electric curtains include: electric coupling Curtains, electric roller blinds, electric wire soft louvers, electric ceiling curtains, electric wood shutters, electric roman shades and electric organ curtains.
  • the electric curtains are limited by the power supply.
  • the lifting operation of the electric curtains is troublesome; in addition to the power supply that the traditional manual curtains provide power to shrink the curtains, a
  • the control device for fixing the curtains most of the existing devices are gear-controlled, and the gear control is easy to cause the rope to be damaged, and since the gear is made of metal, it is easy to rust and the production cost is high; It is difficult to adjust the amount of tension by gear control.
  • the technical problem to be solved by the embodiment of the present invention is to provide a control device for the cordless cord puller control device, a convenient frictional force between the adjusting device and the drawstring, and convenient to control the lifting position of the curtain.
  • the technical solution adopted by the embodiment of the present invention is: providing a control device for a cordless cord pull cord, comprising a base and a pressure plate pivotally connected to the base by a rotating shaft; a nip portion is provided for use in conjunction with the base to be tightened or loosened, the base is provided with a first friction shaft toward a side of the nip portion, and the nip portion is provided with a side facing the base a second friction shaft in which the first friction shaft is dislocated; a fixing rod is further provided at one end of the pressure plate, and one end of the drawstring of the curtain is connected to the retractable rope of the curtain Positioning, the other end of the drawstring passes between the first friction shaft and the second friction shaft, and is connected to the curtain body of the curtain after bypassing the fixing rod, the curtain body moves up and down, and the pressure plate is pulled on the rope Driving the lower winding shaft to rotate relative to the base between the clamping position and the releasing position,
  • the pressure plate includes two parallel side plates, and two ends of the fixing rod are disposed between one ends of the two side plates away from the nip.
  • the base is provided with a groove for accommodating the nip portion, and the first friction shaft is disposed between the groove walls on both sides of the groove.
  • the nip is located at a clamping position ⁇ with the base, and a distance between an upper edge of the first friction shaft and a bottom wall of the groove is greater than a second friction axis The distance between the lower side edge and the bottom wall of the groove of the groove.
  • first friction shaft and the second friction shaft are composed of a shaft core and a friction material layer wrapped around the outside of the shaft core.
  • the total number of the first friction shaft and the second friction shaft is not less than three, and the difference between the number of the first friction shaft and the number of the second friction shaft is not more than 1.
  • the second friction shaft is disposed between the two side plates, and the bottom edge of the side plate is further provided with a avoidance notch corresponding to the first friction shaft.
  • the rotating shaft is located at one end of the pressing plate away from the fixed shaft or between the fixed shaft of the pressure plate and the nip.
  • the inventive embodiment provides a first friction shaft on the base and a second friction shaft on the pressure plate, through the first friction shaft and the first
  • the use of the two friction shafts can effectively increase the friction between the device and the drawstring, and by changing the number and positional relationship of the first friction shaft and the second friction shaft, the first friction shaft and the second friction can be controlled.
  • the frictional force between the shaft and the drawstring; the friction between the first friction shaft, the second friction shaft and the drawstring is superimposed by the gravity of the curtain itself, and can be balanced with the tension of the rope receiving device, so that the curtain can Adjust the height arbitrarily to facilitate the lifting operation of the curtain.
  • FIG. 1 is a perspective view of an embodiment of the present invention for creating a cordless cord pull cord control device in a loose position.
  • FIG. 2 is a cross-sectional view of FIG. 1 along the drawstring.
  • FIG. 3 is a perspective view of an embodiment of the present invention for creating a cordless cord pull cord control device in a clamped position.
  • FIG. 4 is a cross-sectional view of FIG. 3 along the drawstring.
  • FIG. 5 is a perspective view of another embodiment of the present invention for creating a cordless cord pull cord control device in a clamped position ⁇ .
  • FIG. 6 is a cross-sectional view of the drawing along the drawstring.
  • FIG. 7 is a cross-sectional view of another embodiment of the present invention for creating a cordless cord pull cord control device along the drawstring.
  • FIG. 8 is a cross-sectional view of an embodiment of the present invention for creating a cordless cord pull cord control device in a clamped position.
  • FIG. 9 is a cross-sectional view showing an embodiment of the present invention for creating a cordless cord pull cord control device in a loose position.
  • FIG. 10 is a schematic view of the present invention for creating a cordless cord pull cord control device that actually uses a retractable rope device to draw a drawstring.
  • FIG. 11 is a schematic view of the present invention for creating a cordless cord pull cord control device that actually uses a pick-and-place rope device to relax the drawstring.
  • an embodiment of the present invention provides a control device for a cordless cord pull cord, comprising a base 1 and a pressure plate 2 pivotally connected to the base 1 by means of a rotating shaft 42;
  • the pressure plate 2 is provided for use with the base 1 a nip (not shown) that is tightened or loosened, and a first friction shaft 11 is disposed on a side of the base 1 facing the nip, and the nip is disposed on a side of the pedestal 1
  • the first friction shaft 11 is offset from the second friction shaft 21;
  • the second end of the pressure plate is further provided with a fixing rod 41, one end of the drawstring 3 of the curtain is connected to the retractable rope device 5 of the curtain, and the other of the rope 3
  • One end passes between the first friction shaft 11 and the second friction shaft 21, and is connected to the curtain body 6 of the curtain after bypassing the fixing rod 41, and the curtain body 6 moves up and down, and the nip is pulled.
  • the rope 3 drives the lower rotating shaft 41 to rotate relative to the base 1 between the clamping position and the releasing position, the nip portion is located at the clamping position ⁇ , and the second friction shaft 21 urges the pulling rope 3 at the first friction
  • the shaft 11 and the second friction shaft 21 pass through each other.
  • the first friction shaft 11 is disposed on the base 1 and the second friction shaft 21 is disposed on the pressure plate 2.
  • the first friction shaft 11 and the second friction shaft 21 are used together, which is effective.
  • the friction between the device and the drawstring 3 is increased, and by changing the number and positional relationship of the first friction shaft 11 and the second friction shaft 21, the first friction shaft 11, the second friction shaft 21, and the pull cord 3 can be controlled.
  • the amount of friction between the two; the friction between the first friction shaft 11, the second friction shaft 21 and the drawstring 3 by the gravity of the curtain itself can be balanced with the tension of the rope device 5, so that the curtain
  • the curtain body 6 can be arbitrarily adjusted in height to facilitate the lifting operation of the curtain body 6.
  • the pressure plate 2 includes two parallel side plates 22, and the two ends of the fixing rod 41 are disposed between the two side plates 22 away from the nip.
  • the fixing rod 41 can be provided as a supporting point for the rotation of the pressing plate 2 as the pulling rope 3.
  • the retracting rope device 5 can be used to retract the curtain plate 6 so that the pressing plate 2 is away from the base. The direction of the seat 1 moves.
  • the base 1 is provided with a groove for accommodating the nip portion (not labeled)
  • the first friction shaft 11 is disposed between the groove walls on both sides of the groove.
  • the provision of the groove facilitates the position of the fixed nip, so that the cooperation between the base 1 and the pressure plate 2 is more stable; the same can make the device more compact.
  • the nip is located in the clamping position ⁇ with the base 1, the upper edge of the first friction shaft 11 and the bottom wall of the groove The distance is greater than the distance between the lower side edge of the second friction shaft 21 and the bottom wall of the groove of the groove.
  • the distance between the upper side edge of the first friction shaft 11 and the bottom wall of the groove is greater than the second
  • the distance between the lower side edge of the friction shaft 21 and the bottom wall of the groove of the groove can ensure the drawstring 3 and the first friction shaft
  • first friction shaft 11 and the second friction shaft 21 are composed of a shaft core 2
  • 11 is composed of a friction material layer 212 wrapped around the outside of the core 211.
  • the friction material layer 212 can be added such that the drawstring 3 completely fits the surfaces of the first friction shaft 11 and the second friction shaft 21, effectively increasing the drawstring 3 and the first friction shaft 11 and The contact area between the two friction shafts 21, thereby increasing the frictional force.
  • the total number of the first friction shaft 11 and the second friction shaft 21 is not less than three and the number of the first friction shaft 11 and the number of the second friction shaft 21 The difference is no more than 1.
  • the second friction shaft 21 is disposed between the two side plates 22, and the bottom edge of the side plate 22 is further disposed corresponding to the first friction shaft 11.
  • the avoidance notch 24 is disposed between the two side plates 22, and the bottom edge of the side plate 22 is further disposed corresponding to the first friction shaft 11.
  • the avoidance notch 24 corresponding to the first friction shaft 11 is provided, and the first friction shaft 11 can be fixedly restrained, and the second friction shaft 21 and the first friction shaft can be made. 11 more large misplacement settings
  • the rotating shaft 42 is located at one end of the pressing plate 2 away from the fixed shaft 41; in another alternative embodiment, the rotating shaft 42 is located at the pressing plate 2 Between the fixed shaft 41 and the nip
  • the rotating shaft 42 can be flexibly disposed at one end or the middle of the pressure plate 2 according to the principle of the lever, thereby effectively improving the flexibility of the device.
  • both the base 1 and the pressure plate 2 are integrally molded by injection molding.
  • the injection molding method is beneficial to improve production efficiency and save production costs.
  • the specific use mode created by the present invention is as follows: the cord 3 is connected to the curtain 6 of the curtain, and the other end is connected to the retractable rope device 5.
  • the curtain body 6 When the curtain body 6 needs to be pulled down, the curtain body 6 is pulled down, and then the non-operating rope curtain rope pulling control device is in the clamping position, and the second friction shaft 21 causes the pulling rope 3 to be in the first position.
  • a frictional shaft 11 and a second friction shaft 21 are passed between each other, so that a frictional force is generated between the rope 3 and the first friction shaft 11 and the second friction shaft 21, so that the curtain body 6 is fixed at any position;
  • the curtain body 6 needs to be hoisted upwards.
  • the retractable rope device 5 will contract the drawstring 3, and the nip portion is pulled by the lever principle.
  • the control rope pull cord control device is in the loose position, and the curtain body 6 is pulled upward by the pulling force of the rope receiving device 5, and after adjusting the position, the curtain body 6 is pulled down, so that no The operating cord curtain drawstring control device is in the clamped position to secure the curtain body 6.
  • the device is simple and convenient to use, easy to control, and can set different frictional forces according to different situations to meet the needs of different types of curtains.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)

Abstract

一种无操作绳窗帘拉绳控制装置，包括基座（1）和借助于转轴（42）枢接于基座（1）一端的压板（2）；所述基座（1）朝向压板（2）的一侧设有第一摩擦轴（11），所述压板（2）朝向基座（1）的一侧设有与所述第一摩擦轴（11）错位设置的第二摩擦轴（21），所述压板（2）远离转轴（42）的一端还设有固定杆（41），窗帘的拉绳（3）的一端连接窗帘的收放绳装置（5），拉绳（3）的另一端从所述第一摩擦轴（11）和第二摩擦轴（21）之间穿过，并在绕过所述固定杆（41）后连接至窗帘的帘体（6），帘体（6）上下移动时，压板（2）在拉绳（3）带动下绕转轴（42）相对于基座（1）在夹紧位置和松脱位置之间转动，压板（2）位于夹紧位置时，所述第二摩擦轴（21）促使所述拉绳（3）在第一摩擦轴（11）和第二摩擦轴（21）之间蜿蜒穿行。该无操作绳窗帘拉绳控制装置使得窗帘能任意调整高度，方便窗帘的升降操作。

Description

无操作绳窗帘拉绳控制装置
技术领域
[0001] 本发明创造涉及窗帘配件技术领域， 尤其涉及一种无操作绳窗帘拉绳控制装置 背景技术
[0002] 窗帘是由布、 麻、 纱、 铝片、 木片、 金属材料等制作的， 具有遮阳隔热和调节 室内光线的功能。 窗帘的控制方式分为手动和电动； 手动窗帘包括： 手动幵合 帘、 手动拉珠卷帘、 手动丝柔垂帘、 手动木百叶、 手动罗马帘、 手动风琴帘等 ； 电动窗帘包括： 电动幵合帘、 电动卷帘、 电动丝柔百叶、 电动天棚帘、 电动 木百叶、 电动罗马帘及电动风琴帘等。 随着窗帘的发展， 它已成为不可缺少的 、 功能性和装饰性完美结合的室内装饰品。
[0003] 但是电动窗帘需受到电源的限制， 在没有外部电源供电的吋候， 电动窗帘的升 降操作则比较麻烦； 而传统的手动窗帘除了提供动力将窗帘收缩的动力件之外 ， 还需要一个将窗帘固定的控制装置， 现有的大部分装置都是采用齿轮控制， 而齿轮控制容易造成拉绳损坏， 且由于齿轮是金属制成的， 容易生锈和生产成 本高； 除此之外， 用齿轮控制不易调节拉力的大小。
技术问题
[0004] 本发明创造实施例要解决的技术问题在于， 提供一种无操作绳窗帘拉绳控制装 置， 方便的调节装置与拉绳之间的摩擦力的大小， 便于控制窗帘的升降位置。 问题的解决方案
技术解决方案
[0005] 为解决上述技术问题， 本发明创造实施例采用的技术方案是： 提供一种无操作 绳窗帘拉绳控制装置， 包括基座和借助于转轴枢接于基座的压板； 所述压板设 有与基座配合使用以加紧或松脱的压合部， 所述基座朝向压合部的一侧设有第 一摩擦轴， 所述压合部朝向基座的一侧设有与所述第一摩擦轴错位设置的第二 摩擦轴； 所述压板一端还设有固定杆， 窗帘的拉绳的一端连接窗帘的收放绳装 置， 拉绳的另一端从所述第一摩擦轴和第二摩擦轴之间穿过， 并在绕过所述固 定杆后连接至窗帘的帘体， 帘体上下移动吋， 压板在拉绳带动下绕转轴相对于 基座在夹紧位置和松脱位置之间转动， 压板位于夹紧位置吋， 所述第二摩擦轴 促使所述拉绳在第一摩擦轴和第二摩擦轴之间蜿蜒穿行。
[0006] 进一步地， 所述压板包括两块平行的侧板， 所述固定杆的两端架设于所述两侧 板远离压合部的一端之间。
[0007] 进一步地， 所述基座设有用于容纳所述压合部的凹槽， 所述第一摩擦轴架设于 凹槽的两侧槽壁之间。
[0008] 进一步地， 所述压合部与所述基座位于夹紧位置吋， 所述第一摩擦轴的上侧缘 与所述凹槽的槽底壁之间的距离大于第二摩擦轴的下侧缘与所述凹槽的槽底壁 之间的距离。
[0009] 进一步地， 所述第一摩擦轴和第二摩擦轴由轴芯和包裹于轴芯外部的摩擦材料 层组成。
[0010] 进一步地， 所述第一摩擦轴与所述第二摩擦轴的总数量不少于三根且第一摩擦 轴的数量和第二摩擦轴的数量的差值不大于 1。
[0011] 进一步地， 所述第二摩擦轴架设于所述两侧板之间， 且所述侧板的底缘还幵设 有与第一摩擦轴相对应的避位凹口。
[0012] 进一步地， 所述转轴位于压板远离固定轴的一端或位于压板的固定轴与压合部 之间。
发明的有益效果
有益效果
[0013] 采用上述技术方案， 本发明创造实施例至少具有以下有益效果： 本发明创造实 施例在基座上设置第一摩擦轴及在压板上设置第二摩擦轴， 通过第一摩擦轴和 第二摩擦轴的配合使用， 能有效的增加本装置与拉绳之间的摩擦力， 而通过改 变第一摩擦轴和第二摩擦轴的数量以及位置关系， 能够控制第一摩擦轴、 第二 摩擦轴与拉绳之间的摩擦力的大小； 通过窗帘本身的重力叠加第一摩擦轴、 第 二摩擦轴与拉绳之间的摩擦力， 能与收放绳装置的拉力相持平， 使得窗帘能任 意调整高度， 方便帘体的升降操作。 对附图的简要说明
附图说明
[0014] 图 1是本发明创造无操作绳窗帘拉绳控制装置一个实施例处于松脱位置吋的立 体图。
[0015] 图 2是图 1沿拉绳的剖视图。
[0016] 图 3是本发明创造无操作绳窗帘拉绳控制装置一个实施例处于夹紧位置吋的立 体图。
[0017] 图 4是图 3沿拉绳的剖视图。
[0018] 图 5是本发明创造无操作绳窗帘拉绳控制装置的另一个实施例处于夹紧位置吋 的立体图。
[0019] 图 6是图沿拉绳的剖视图。
[0020] 图 7是本发明创造无操作绳窗帘拉绳控制装置另一个实施例沿拉绳的剖视图。
[0021] 图 8是本发明创造无操作绳窗帘拉绳控制装置一个实施例处于夹紧位置吋的剖 视图。
[0022] 图 9是本发明创造无操作绳窗帘拉绳控制装置一个实施例处于松脱位置吋的剖 视图。
[0023] 图 10是本发明创造无操作绳窗帘拉绳控制装置实际使用吋收放绳装置拉缩拉绳 吋的示意图。
[0024] 图 11是本发明创造无操作绳窗帘拉绳控制装置实际使用吋收放绳装置放松拉绳 吋的示意图。
具体实施方式
[0025] 下面结合附图和具体实施例对本发明创造作进一步详细说明。 应当理解， 以下 的示意性实施例及说明仅用来解释本发明创造， 并不作为对本发明创造的限定 ， 而且， 在不冲突的情况下， 本发明创造中的实施例及实施例中的特征可以相 互结合。
[0026] 如图 1~图6所示， 本发明创造实施例提供一种无操作绳窗帘拉绳控制装置， 包 括基座 1和借助于转轴 42枢接于基座 1的压板 2; 所述压板 2设有与基座 1配合使用 以加紧或松脱的压合部 （图未标号） ， 所述基座 1朝向压合部的一侧设有第一摩 擦轴 11， 所述压合部朝向基座 1的一侧设有与所述第一摩擦轴 11错位设置的第二 摩擦轴 21 ; 所述压板 2—端还设有固定杆 41， 窗帘的拉绳 3的一端连接窗帘的收 放绳装置 5， 拉绳 3的另一端从所述第一摩擦轴 11和第二摩擦轴 21之间穿过， 并 在绕过所述固定杆 41后连接至窗帘的帘体 6， 帘体 6上下移动吋， 压合部在拉绳 3 带动下绕转轴 41相对于基座 1在夹紧位置和松脱位置之间转动， 压合部位于夹紧 位置吋， 所述第二摩擦轴 21促使所述拉绳 3在第一摩擦轴 11和第二摩擦轴 21之间 蜿蜒穿行。
[0027] 本发明创造实施例在基座 1上设置第一摩擦轴 11及在压板 2上设置第二摩擦轴 21 ， 通过第一摩擦轴 11和第二摩擦轴 21的配合使用， 能有效的增加本装置与拉绳 3 之间的摩擦力， 而通过改变第一摩擦轴 11和第二摩擦轴 21的数量以及位置关系 ， 能够控制第一摩擦轴 11、 第二摩擦轴 21与拉绳 3之间的摩擦力的大小； 通过窗 帘本身的重力叠加第一摩擦轴 11、 第二摩擦轴 21与拉绳 3之间的摩擦力， 能与收 放绳装置 5的拉力相持平， 使得窗帘的帘体 6能任意调整高度， 方便帘体 6的升降 操作。
[0028] 在一个可选实施例中， 所述压板 2包括两块平行的侧板 22， 所述固定杆 41的两 端架设于所述两侧板 22远离压合部的一端之间。
[0029] 本实施例中， 设置固定杆 41能有作为拉绳 3带动压板 2转动的一个支撑点， 利用 杠杆原理， 可以在收放绳装置 5在收缩帘体 6吋使得压板 2往远离基座 1的方向运 动。
[0030] 在一个可选实施例中， 所述基座 1设有用于容纳所述压合部的凹槽 （图未标号
) ， 所述第一摩擦轴 11架设于凹槽的两侧槽壁之间。
[0031] 本实施例中， 设置凹槽有利于固定压合部的位置， 使得基座 1与压板 2两者之间 的配合使用更加稳固； 同吋可以使得装置更加精简。
[0032] 在一个可选实施例中， 所述压合部与所述基座 1位于夹紧位置吋， 所述第一摩 擦轴 11的上侧缘与所述凹槽的槽底壁之间的距离大于第二摩擦轴 21的下侧缘与 所述凹槽的槽底壁之间的距离。
[0033] 本实施例中， 第一摩擦轴 11的上侧缘与所述凹槽的槽底壁之间的距离大于第二 摩擦轴 21的下侧缘与所述凹槽的槽底壁之间的距离， 能保证拉绳 3与第一摩擦轴
11和第二摩擦轴 21两者之间存在接触面积， 拥有摩擦力。
[0034] 如图 7所示， 在一个可选实施例中， 所述第一摩擦轴 11和第二摩擦轴 21由轴芯 2
11和包裹于轴芯 211外部的摩擦材料层 212组成。
[0035] 本实施例中， 增加摩擦材料层 212能有使得拉绳 3完全贴合于第一摩擦轴 11和第 二摩擦轴 21表面， 有效的增大拉绳 3与第一摩擦轴 11和第二摩擦轴 21两者之间的 接触面积， 从而提高摩擦力。
[0036] 在一个可选实施例中， 所述第一摩擦轴 11与所述第二摩擦轴 21的总数量不少于 三根且第一摩擦轴 11的数量和第二摩擦轴 21的数量的差值不大于 1。
[0037] 在一个可选实施例中， 所述第二摩擦轴 21架设于所述两侧板 22之间， 且所述侧 板 22的底缘还幵设有与第一摩擦轴 11相对应的避位凹口 24。
[0038] 本实施例中， 设置与第一摩擦轴 11相对应的避位凹口 24， 能起到固定限制第一 摩擦轴 11的作用， 也能使得第二摩擦轴 21与第一摩擦轴 11更大幅度的错位设置
[0039] 如图 8〜图 9所示， 在一个可选实施例中， 所述转轴 42位于压板 2远离固定轴 41的 一端； 在另一个可选实施例中， 所述转轴 42位于压板 2的固定轴 41与压合部之间
[0040] 本实施例中， 所述转轴 42根据杠杆原理， 可灵活设置于压板 2的一端或中部， 有效的提高装置的灵活性。
[0041] 在一个可选实施例中， 所述基座 1和压板 2均采用注塑一体成型。 采用注塑一体 成型的方式有利于提高生产效率， 节约生产成本。
[0042] 如图 10~图11所示， 本发明创造的具体使用方式为： 拉绳 3—端连接于窗帘的帘 体 6， 另一端连接于收放绳装置 5。 当需要将帘体 6外下拉吋， 将帘体 6往下拉， 此吋， 所述无操作绳窗帘拉绳控制装置处于夹紧位置， 所述第二摩擦轴 21促使 所述拉绳 3在第一摩擦轴 11和第二摩擦轴 21之间蜿蜒穿行， 从而使得拉绳 3与第 一摩擦轴 11和第二摩擦轴 21之间产生摩擦力， 使得帘体 6固定于任意位置上； 当 需要将帘体 6往上收吋， 由于帘体 6的重力在人为因素下与操作者的力量持恒， 所述收放绳装置 5会收缩拉绳 3， 利用杠杆原理， 压合部在拉绳 3的作用下会绕转 轴 42转动后使得无操作绳窗帘拉绳控制装置处于松脱位置， 利用收放绳装置 5的 拉力将帘体 6往上拉动， 调整好位置后， 再将帘体 6往下拉一下， 使得无操作绳 窗帘拉绳控制装置处于夹紧位置， 从而固定住帘体 6。 本装置使用简单便捷， 便 于控制， 能根据不同情况设定不同的摩擦力， 满足不同型号窗帘的需求。
尽管已经示出和描述了本发明创造的实施例， 对于本领域的普通技术人员而言 ， 可以理解在不脱离本发明创造的原理和精神的情况下可以对这些实施例进行 多种变化、 修改、 替换和变型， 本发明创造的范围由所附权利要求及其等同范 围限定。

Claims

权利要求书
一种无操作绳窗帘拉绳控制装置， 其特征在于： 包括基座和借助于转 轴枢接于基座的压板； 所述压板设有与基座配合以夹紧或松脱拉绳的 压合部， 所述基座朝向压合部的一侧设有第一摩擦轴， 所述压合部朝 向基座的一侧设有与所述第一摩擦轴错位设置的第二摩擦轴； 所述压 板一端还设有固定杆， 拉绳的一端连接窗帘的收放绳装置， 拉绳的另 一端从所述第一摩擦轴和第二摩擦轴之间穿过， 并在绕过所述固定杆 后连接至窗帘的帘体， 帘体上下移动吋， 压合部在拉绳带动下绕转轴 相对于基座在夹紧位置和松脱位置之间转动， 压合部位于夹紧位置吋 ， 所述第二摩擦轴促使所述拉绳在第一摩擦轴和第二摩擦轴之间蜿蜒 穿行。
根据权利要求 1所述的无操作绳窗帘拉绳控制装置， 其特征在于： 所 述压板包括两块平行的侧板， 所述固定杆的两端架设于所述两侧板远 离压合部的一端之间。
根据权利要求 1所述的无操作绳窗帘拉绳控制装置， 其特征在于： 所 述基座设有用于容纳所述压合部的凹槽， 所述第一摩擦轴架设于凹槽 的两侧槽壁之间。
根据权利要求 3所述的无操作绳窗帘拉绳控制装置， 其特征在于： 所 述压合部与所述基座位于夹紧位置吋， 所述第一摩擦轴的上侧缘与所 述凹槽的槽底壁之间的距离大于第二摩擦轴的下侧缘与所述凹槽的槽 底壁之间的距离。
根据权利要求 1所述的无操作绳窗帘拉绳控制装置， 其特征在于： 所 述第一摩擦轴和第二摩擦轴由轴芯和包裹于轴芯外部的摩擦材料层组 成。
根据权利要求 1所述的无操作绳窗帘拉绳控制装置， 其特征在于： 所 述第一摩擦轴与所述第二摩擦轴的总数量不少于三根且第一摩擦轴的 数量和第二摩擦轴的数量的差值不大于 1。
根据权利要求 2所述的无操作绳窗帘拉绳控制装置， 其特征在于： 所 述第二摩擦轴架设于所述两侧板之间， 且所述侧板的底缘还幵设有与 第一摩擦轴相对应的避位凹口。
[权利要求 8] 根据权利要求 1所述的无操作绳窗帘拉绳控制装置， 其特征在于： 所 述转轴位于压板远离固定轴的一端或位于压板的固定轴与压合部之间
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