WO2020124672A1 - 单向收线机构 - Google Patents

单向收线机构 Download PDF

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Publication number
WO2020124672A1
WO2020124672A1 PCT/CN2018/124586 CN2018124586W WO2020124672A1 WO 2020124672 A1 WO2020124672 A1 WO 2020124672A1 CN 2018124586 W CN2018124586 W CN 2018124586W WO 2020124672 A1 WO2020124672 A1 WO 2020124672A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaft core
shaft
sleeve
way
bearing
Prior art date
Application number
PCT/CN2018/124586
Other languages
English (en)
French (fr)
Inventor
雷振邦
Original Assignee
雷振邦
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 filed Critical 雷振邦
Publication of WO2020124672A1 publication Critical patent/WO2020124672A1/zh

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, 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
    • B65H75/38—Cores, 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
    • B65H75/44—Constructional details
    • B65H75/4436—Arrangements for yieldably braking the reel or the material for moderating speed of winding or unwinding
    • B65H75/4442—Arrangements for yieldably braking the reel or the material for moderating speed of winding or unwinding acting on the reel
    • 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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/36—Wires
    • 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
    • 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
    • E06B2009/3225—Arrangements to aid the winding of cords rollers
    • 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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B2009/807—Brakes preventing fast screen movement

Definitions

  • the utility model relates to the technical field of a take-up mechanism, in particular to a one-way take-up mechanism.
  • the take-up mechanism in the current take-up device can satisfy the take-up function, when the pay-off is performed, all the weight force of the curtain body is pulled by the traction force of the motor to achieve the purpose of maintaining balanced positioning.
  • This type of electric curtain not only has the problem of large energy consumption, especially for large-sized curtains, the power of the motor used will be greater and the energy consumption will be higher.
  • the size of the curtain body is relatively large and the weight is relatively heavy, the falling speed and impact force are relatively large, which affects the service life of the motor and the quality of the curtain product.
  • the purpose of the present invention is to provide a one-way take-up mechanism with a clever and reasonable structural design, which can provide a reverse force when the wire is released.
  • a one-way take-up mechanism includes a fixed seat, a reel, a shaft core, a one-way bearing, a bearing sleeve, a damping rebound member and a positioning shaft, the reel is located in the inner cavity of the fixed seat, One end of the reel is provided with a rotating shaft, and a side wall of the inner cavity is provided with a shaft hole adapted to the rotating shaft.
  • the reel includes a cylindrical wheel body and an end cover, the cylindrical wheel body is provided with an assembly cavity, the end cover is closed on the opening of the assembly cavity, The center of the end cover is provided with a through hole for allowing the positioning shaft to protrude.
  • the damping rebound member is a spring, one end of the spring is provided on the positioning shaft, and the other end is provided on the shaft core.
  • the damping rebound member is a spring, one end of the spring is disposed on the positioning shaft, and the other end is sleeved on the shaft core, and interference fits with the shaft core.
  • the damping rebound component is a rubber sleeve
  • the rubber sleeve is fixed on the positioning shaft
  • the inner wall of the rubber sleeve is sleeved on the shaft core, and is connected to the shaft Core interference fit.
  • the shaft sleeve is fixedly mounted on the wear sleeve.
  • the wear sleeve is a stainless steel sleeve.
  • the beneficial effects of the utility model are:
  • the utility model is cleverly designed, and is provided with a one-way bearing and a damping rebound component, the one-way bearing can rotate freely in one direction, and lock in the other direction; in the curtain When pulling down, the one-way bearing is locked, and the reel rotates counter-clockwise through the bearing sleeve, and the shaft core rotates counterclockwise. When the shaft core rotates, it generates friction with the damping rebound component to form a damping effect.
  • the reel-linked bearing sleeve rotates freely clockwise relative to the shaft core, and there is no relative movement between the shaft core and the damping rebound component, and there is no resistance to rotation.
  • the rewinding force of the damping rebound component can be fully utilized to make the curtain pulling disturbance more balanced and smooth.
  • the overall structure is compact, the volume is small, and it is easy to implement, which is conducive to widespread application.
  • FIG. 1 is a schematic view of the three-dimensional structure of the present invention.
  • FIG. 2 is a schematic sectional view of the utility model.
  • FIG. 3 is a schematic exploded view of the utility model.
  • this embodiment provides a one-way take-up mechanism, which includes a fixed seat 1, a reel 2, a shaft core 3, a one-way bearing 4, a bearing sleeve 5, Damping rebound member 6 and positioning shaft 7.
  • the reel 2 is located in the inner cavity of the fixed seat 1, one end of the reel 2 is provided with a rotating shaft 21, and a side wall of the inner cavity is provided with the rotating shaft 21 to adapt
  • the shaft hole 12 specifically, the reel 2 includes a cylindrical wheel body 22 and an end cover 23, an assembly cavity is provided in the cylindrical wheel body 22, and the end cover 23 covers an opening of the assembly cavity
  • a through hole is provided at the center of the end cover 23 to allow the positioning shaft 7 to protrude.
  • the bottom surface of the fixing base 1 is provided with an outlet hole 11.
  • the outer ring of the one-way bearing 4 is fixed in the assembly cavity of the reel 2 through the bearing sleeve 5, and the shaft core 3 is fixed on the inner ring of the one-way bearing 4, in order to improve the stability during work,
  • the fitting cavity is provided with a sleeve portion 24 adapted to the shaft core 3, and the diameter of the sleeve portion 24 is adapted to the shaft diameter of the shaft core 3.
  • the right end of the shaft core 3 is inserted into the socket 24.
  • One end of the positioning shaft 7 is a square shaft, and the other side wall of the inner cavity is provided with a square groove 13 adapted to the square shaft, and the positioning shaft 7 is fixed by snapping the square shaft into the square groove 13 On the other side wall of the inner cavity, the other end of the positioning shaft 7 extends into the reel 2 and is connected to the left end of the shaft core 3 through a damping rebound member 6.
  • the damping rebound member 6 is a spring, one end of the spring is provided on the positioning shaft 7, and the other end is provided on the shaft core 3.
  • the positioning shaft 7 is provided with a clamping groove capable of positioning and fixing one end of the spring
  • an outer peripheral surface of the shaft core 3 is provided with a clamping hole capable of positioning and fixing the other end of the spring.
  • the connection can also be achieved by welding or gluing.
  • the reaction force is generated by the deformation of the spring itself, which has a certain damping effect and rebound ability, and accordingly offsets part of the gravity of the curtain, effectively slowing down the speed and impact of the curtain, and making the curtain lifting movement more stable.
  • it also reduces the load of the spring motor, reduces energy consumption, and increases the load capacity of the spring motor.
  • one end of the spring may be disposed on the positioning shaft 7, and the other end may be sleeved on the shaft core 3, and may have an interference fit with the shaft core 3. That is, the inner ring of the spring is made small, forcibly sleeved on the shaft core 3, and the reaction force is generated by the friction between the shaft core 3 and the spring, which also has a certain damping effect.
  • the resistance The rebound member 6 may also be a rubber sleeve. One end of the rubber sleeve is fixed on the positioning shaft 7. The diameter of the inner hole of the rubber sleeve is smaller than the diameter of the shaft core 3. Forcibly sleeve the rubber sleeve on the shaft core 3.
  • the inner hole wall of the rubber sleeve is sleeved on the shaft core 3 and forms an interference fit structure with the shaft core 3.
  • the reaction force is generated by friction between the shaft core 3 and the inner hole wall of the rubber sleeve, which also has a certain damping effect .
  • the shaft core 3 is fixedly sleeved on the wear sleeve 8.
  • the wear sleeve 8 is preferably a stainless steel sleeve, which has a good wear resistance, effectively protects the shaft core 3 from being damaged, and extends the service life of the shaft core 3.
  • the wear sleeve 8 may also be a copper sleeve, a wear-resistant ceramic sleeve, or other wear-resistant sleeve bodies.
  • the one-way bearing 4 can rotate freely in one direction and lock in the other direction; in this embodiment, the one-way bearing 4 Can rotate freely in the clockwise direction, and lock in the counterclockwise direction as an example.
  • the reel 2 and the bearing sleeve 5 rotate freely clockwise relative to the shaft core 3, and there is no relative movement between the shaft core 3 and the damping and rebounding member 6, and there is no resistance to rotation.
  • the reel 2 rotates counter-clockwise through the bearing sleeve 5 in conjunction with the shaft core 3.

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

一种单向收线机构，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）。在窗帘下拉时，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，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（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，可以充分利用阻尼反弹部件（6）的回卷力使得窗帘拉扰更为平衡顺畅；整体结构紧凑、体积小。

Description

发明名称:单向收线机构
技术领域
[0001] 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
[0002] 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。
[0003] 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。
发明概述
技术问题
问题的解决方案
技术解决方案
[0004] 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。
[0005] 为实现上述目的， 本实用新型所提供的技术方案是：
[0006] 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。 [0007] 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。
[0008] 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。
[0009] 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。
[0010] 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。
[0011] 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。
[0012] 作为本实用新型的一种改进， 所述耐磨套为不锈钢套。
发明的有益效果
有益效果
[0013] 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。
[0014] 下面结合附图与实施例， 对本实用新型进一步说明。
对附图的简要说明
附图说明
[]
[0015] 图 1是本实用新型的立体结构示意图。 [0016] 图 2是本实用新型的剖视结构示意图。
[0017] 图 3是本实用新型的分解结构示意图。
实施该发明的最佳实施例
本发明的最佳实施方式
[0018] 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。
[0019] 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。
[0020] 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。
[0021] 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。
[0022] 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。
[0023] 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。
[0024] 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。
[0025] 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。
[0026] 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

权利要求书
[权利要求 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。
[权利要求 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。
[权利要求 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。
[权利要求 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。
[权利要求 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。
[权利要求 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。
[权利要求 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。
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CN113894179B (zh) * 2021-09-03 2023-12-01 四川煤田地质局一四一机械厂 一种金属杆收线工艺
CN113969944A (zh) * 2021-10-27 2022-01-25 贵州航天南海科技有限责任公司 一种用于收线机的主轴座
CN114620558B (zh) * 2022-04-27 2023-10-20 滁州市纳瑞日用品有限公司 一种用于环保袋生产的连续收料装置

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