CN209661224U - 单向收线机构 - Google Patents

单向收线机构 Download PDF

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Publication number
CN209661224U
CN209661224U CN201822157124.7U CN201822157124U CN209661224U CN 209661224 U CN209661224 U CN 209661224U CN 201822157124 U CN201822157124 U CN 201822157124U CN 209661224 U CN209661224 U CN 209661224U
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central spindle
reel
curtain
elastic contrast
contrast members
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雷振邦
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Dongguan Leifuyi Window Decoration Technology Co ltd
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Priority to CN201822157124.7U priority Critical patent/CN209661224U/zh
Priority to PCT/CN2018/124586 priority patent/WO2020124672A1/zh
Priority to US16/370,018 priority patent/US10815725B2/en
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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32Operating, guiding, or securing devices therefor
    • E06B9/322Details of operating devices, e.g. pulleys, brakes, spring drums, drives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44Constructional details
    • B65H75/4436Arrangements for yieldably braking the reel or the material for moderating speed of winding or unwinding
    • B65H75/4442Arrangements for yieldably braking the reel or the material for moderating speed of winding or unwinding acting on the reel
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/30Handled filamentary material
    • B65H2701/36Wires
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32Operating, guiding, or securing devices therefor
    • E06B9/322Details of operating devices, e.g. pulleys, brakes, spring drums, drives
    • E06B2009/3222Cordless, i.e. user interface without cords
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32Operating, guiding, or securing devices therefor
    • E06B9/322Details of operating devices, e.g. pulleys, brakes, spring drums, drives
    • E06B2009/3225Arrangements to aid the winding of cords rollers
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B2009/807Brakes preventing fast screen movement

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)

Abstract

本实用新型公开了一种单向收线机构,其包括固定座、卷线轮、轴芯、单向轴承、轴承套、阻尼反弹部件和定位轴,在窗帘下拉时,单向轴承锁死,卷线轮通过轴承套联动轴芯逆时针转动,轴芯转动时,与阻尼反弹部件产生摩擦力形成阻尼效果,能在放线时提供反向作用力,能较好地抵消窗帘的部分重力,减缓窗帘下坠的速度及冲击力,使得窗帘的升降动作更为平稳,同时也减轻弹簧马达的负载,降低能耗,增加弹簧马达的承载能力;在卷线收窗帘时,卷线轮联动轴承套相对轴芯顺时针自由转动,轴芯与阻尼反弹部件无相对运动,转动无阻力,可以充分利用阻尼反弹部件的回卷力使得窗帘拉扰更为平衡顺畅;另外整体结构紧凑、体积小,易于实现,利于广泛推广应用。

Description

单向收线机构
技术领域
本实用新型涉及收线机构技术领域,具体涉及一种单向收线机构。
背景技术
随着窗帘产品的发展,能自动实现窗帘开合的电动窗帘以其操作便捷而成为了窗帘产品的一个重要发展方向。当前的电动窗帘多是采用电机组件作为驱动装置来驱动相应的收绳装置,进而实现窗帘帘体的自动开合。
然而,目前收绳装置中的收线机构虽然能满足收线功能,但是在放线时,窗帘帘体的全部重量作用力均是靠电机的牵引力进行拉扯而达到维持平衡定位目的,这种电动窗帘不仅存在能耗大的问题,尤其是对于大尺寸的窗帘,其所采用电机的功率将更大,能耗更高。此外,当窗帘帘体的尺寸比较大,重量比较重时,其下坠的速度及冲击力是比较大的,影响到电机的使用寿命和窗帘产品的质量。
实用新型内容
针对上述不足,本实用新型的目的在于,提供一种结构设计巧妙、合理,能在放线时提供反向作用力的单向收线机构。
为实现上述目的,本实用新型所提供的技术方案是:一种单向收线机构,其包括固定座、卷线轮、轴芯、单向轴承、轴承套、阻尼反弹部件和定位轴,所述卷线轮位于固定座的内腔中,该卷线轮的一端设有转轴,并在所述内腔的一侧壁上设有与该转轴相适配的轴孔,所述单向轴承的外圈通过轴承套固定在卷线轮内,轴芯固定在单向轴承的内圈上,所述定位轴的一端固定在内腔的另一侧壁上,该定位轴的另一端伸入卷线轮内通过阻尼反弹部件与轴芯的一端相连接。
作为本实用新型的一种改进,所述卷线轮包括柱形轮体和端盖,所述柱形轮体内设有装配腔,所述端盖盖合在装配腔的开口上,该端盖的圆心位置设有让定位轴伸出的通孔。
作为本实用新型的一种改进,所述阻尼反弹部件为弹簧,该弹簧的一端设置在定位轴上,另一端设置在轴芯上。
作为本实用新型的一种改进,所述阻尼反弹部件为弹簧,该弹簧的一端设置在定位轴上,另一端套设在轴芯上,并与该轴芯过盈配合。
作为本实用新型的一种改进,所述阻尼反弹部件为胶套,该胶套固定在所述定位轴上,该胶套的内孔壁套设在轴芯上,并与该轴芯过盈配合。
作为本实用新型的一种改进,所述轴芯上固定套设在耐磨套。
作为本实用新型的一种改进,所述耐磨套为不锈钢套。
本实用新型的有益效果为:本实用新型设计巧妙,合理设有单向轴承和阻尼反弹部件,单向轴承在一个方向上可以自由转动,而在另一个方向上锁死;在窗帘下拉时,单向轴承锁死,卷线轮通过轴承套联动轴芯逆时针转动,轴芯转动时,与阻尼反弹部件产生摩擦力形成阻尼效果,能在放线时提供反向作用力,能较好地抵消窗帘的部分重力,减缓窗帘下坠的速度及冲击力,使得窗帘的升降动作更为平稳,同时也减轻弹簧马达的负载,降低能耗,增加弹簧马达的承载能力;在卷线收窗帘时,卷线轮联动轴承套相对轴芯顺时针自由转动,轴芯与阻尼反弹部件无相对运动,转动无阻力,可以充分利用阻尼反弹部件的回卷力使得窗帘拉扰更为平衡顺畅,另外整体结构紧凑、体积小,易于实现,利于广泛推广应用。
下面结合附图与实施例,对本实用新型进一步说明。
附图说明
图1是本实用新型的立体结构示意图。
图2是本实用新型的剖视结构示意图。
图3是本实用新型的分解结构示意图。
具体实施方式
参见图1、图2和图3,本实施例提供的一种单向收线机构,其包括固定座1、卷线轮2、轴芯3、单向轴承4、轴承套5、阻尼反弹部件6和定位轴7。
所述卷线轮2位于固定座1的内腔中,该卷线轮2的一端设有转轴21,并在所述内腔的一侧壁上设有与该转轴21相适配的轴孔12,具体的,所述卷线轮2包括柱形轮体22和端盖23,所述柱形轮体22内设有装配腔,所述端盖23盖合在装配腔的开口上,该端盖23的圆心位置设有让定位轴7伸出的通孔。固定座1的底面设有出线孔11。
所述单向轴承4的外圈通过轴承套5固定在卷线轮2的装配腔中,轴芯3固定在单向轴承4的内圈上,为提升工作时的稳定性,在装配腔上设有与轴芯3相适配的套接部24,该套接部24的孔径与轴芯3的轴径相适配。轴芯3的右侧端插入套接部24。
所述定位轴7的一端为方轴,内腔的另一侧壁上设有与该方轴相适配的方槽13,通过方轴卡入方槽13实现将定位轴7固定在内腔的另一侧壁上,该定位轴7的另一端伸入卷线轮2内通过阻尼反弹部件6与轴芯3的左侧端相连接。
本实施例中,所述阻尼反弹部件6为弹簧,该弹簧的一端设置在定位轴7上,另一端设置在轴芯3上。具体的,定位轴7上设有能将弹簧的一端定位固定的卡槽,轴芯3的外周面上设有能将弹簧的另一端定位固定的卡孔。其它实施例中,也可以通过焊接或胶粘等方式来实现连接的目的。工作时,通过弹簧的自身形变来产生反作用力,具有一定的阻尼效果和反弹能力,进而相应抵消掉窗帘的部分重力,有效减缓窗帘下坠的速度及冲击力,使得窗帘的升降动作更为平稳,同时也减轻弹簧马达的负载,降低能耗,增加弹簧马达的承载能力。
其它实施例中,该弹簧也可以一端设置在定位轴7上,另一端套设在轴芯3上,并与该轴芯3过盈配合。即弹簧的内圈做小,强行套在轴芯3上,通过轴芯3与弹簧之间的摩擦作用来产生反作用力,同样具有一定的阻尼效果。另外,所述阻尼反弹部件6也可以为胶套,该胶套的一端固定在所述定位轴7上,该胶套的内孔的孔径小于轴芯3的直径,强行将胶套套在轴芯3上,通过胶套的内孔壁套设在轴芯3上,与该轴芯3形成过盈配合结构,通过轴芯3与胶套的内孔壁之间摩擦来产生反作用力,同样具有一定的阻尼效果。
较佳的,为延长使用寿命,在所述轴芯3上固定套设在耐磨套8。本实施例中,该耐磨套8优选为不锈钢套,耐磨效果好,有效保护轴芯3不被损坏,延长轴芯3的使用寿命。其它实施例中,该耐磨套8也可以为铜套、耐磨陶瓷套等其它耐磨套体。
使用时,由于合理设有单向轴承4和阻尼反弹部件6,单向轴承4在一个方向上可以自由转动,而在另一个方向上锁死;本实施例中,以单向轴承4在顺时针方向上可以自由转动,而在逆时针方向上锁死为例。在收线时,卷线轮2联动轴承套5相对轴芯3顺时针自由转动,轴芯3与阻尼反弹部件6无相对运动,转动无阻力;在放线时,单向轴承4锁死,卷线轮2通过轴承套5联动轴芯3逆时针转动,轴芯3转动时,与阻尼反弹部件6产生摩擦力形成阻尼效果,实现在放线时提供反向作用力,可以充分利用阻尼反弹部件的回卷力使得窗帘拉扰更为平衡顺畅,相应抵消窗帘的部分重力,有效减缓窗帘下坠的速度及冲击力,使得窗帘的升降动作更为平稳,同时也减轻弹簧马达的负载,降低能耗,增加弹簧马达的承载能力,相对传统的收线机构具有明显的优势。
根据上述说明书的揭示和教导,本实用新型所属领域的技术人员还能够对上述实施方式进行变更和修改。因此,本实用新型并不局限于上述的具体实施方式,凡是本领域技术人员在本实用新型的基础上所作出的任何显而易见的改进、替换或变型均属于本实用新型的保护范围。此外,尽管本说明书中使用了一些特定的术语,但这些术语只是为了方便说明,并不对本实用新型构成任何限制。如本实用新型上述实施例所述,采用与其相同或相似的结构而得到的其它机构,均在本实用新型保护范围内。

Claims (7)

1.一种单向收线机构,其特征在于:其包括固定座、卷线轮、轴芯、单向轴承、轴承套、阻尼反弹部件和定位轴,所述卷线轮位于固定座的内腔中,该卷线轮的一端设有转轴,并在所述内腔的一侧壁上设有与该转轴相适配的轴孔,所述单向轴承的外圈通过轴承套固定在卷线轮内,轴芯固定在单向轴承的内圈上,所述定位轴的一端固定在内腔的另一侧壁上,该定位轴的另一端伸入卷线轮内通过阻尼反弹部件与轴芯的一端相连接。
2.根据权利要求1所述的单向收线机构,其特征在于,所述卷线轮包括柱形轮体和端盖,所述柱形轮体内设有装配腔,所述端盖盖合在装配腔的开口上,该端盖的圆心位置设有让定位轴伸出的通孔。
3.根据权利要求1所述的单向收线机构,其特征在于,所述阻尼反弹部件为弹簧,该弹簧的一端设置在定位轴上,另一端设置在轴芯上。
4.根据权利要求1所述的单向收线机构,其特征在于,所述阻尼反弹部件为弹簧,该弹簧的一端设置在定位轴上,另一端套设在轴芯上,并与该轴芯过盈配合。
5.根据权利要求1所述的单向收线机构,其特征在于,所述阻尼反弹部件为胶套,该胶套固定在所述定位轴上,该胶套的内孔壁套设在轴芯上,并与该轴芯过盈配合。
6.根据权利要求1-5中任意一项所述的单向收线机构,其特征在于,所述轴芯上固定套设在耐磨套。
7.根据权利要求6所述的单向收线机构,其特征在于,所述耐磨套为不锈钢套。
CN201822157124.7U 2018-12-21 2018-12-21 单向收线机构 Expired - Fee Related CN209661224U (zh)

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Application Number Priority Date Filing Date Title
CN201822157124.7U CN209661224U (zh) 2018-12-21 2018-12-21 单向收线机构
PCT/CN2018/124586 WO2020124672A1 (zh) 2018-12-21 2018-12-28 单向收线机构
US16/370,018 US10815725B2 (en) 2018-12-21 2019-03-29 Unidirectional wire take-up mechanism

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