WO2012037712A1 - 具有防收伞回弹装置的自动开收伞 - Google Patents

具有防收伞回弹装置的自动开收伞 Download PDF

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Publication number
WO2012037712A1
WO2012037712A1 PCT/CN2010/001787 CN2010001787W WO2012037712A1 WO 2012037712 A1 WO2012037712 A1 WO 2012037712A1 CN 2010001787 W CN2010001787 W CN 2010001787W WO 2012037712 A1 WO2012037712 A1 WO 2012037712A1
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WO
WIPO (PCT)
Prior art keywords
umbrella
closing
cable
fixed
automatic opening
Prior art date
Application number
PCT/CN2010/001787
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English (en)
French (fr)
Inventor
黄禄财
Original Assignee
Huang Lucai
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 Huang Lucai filed Critical Huang Lucai
Publication of WO2012037712A1 publication Critical patent/WO2012037712A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B25/00—Details of umbrellas
    • A45B25/14—Devices for opening and for closing umbrellas
    • A45B25/143—Devices for opening and for closing umbrellas automatic

Definitions

  • the utility model relates to an umbrella for daily use, in particular to a structural improvement of an open umbrella control device for automatically opening and closing an umbrella.
  • the automatic opening and closing umbrella is equipped with an opening and closing umbrella control device inside the umbrella handle, and the automatic opening and automatic folding of the umbrella surface can be realized by pressing the button on the umbrella handle, which is very convenient to use.
  • the Chinese utility model patent with the announcement number CN2827075Y discloses a "automatic opening and closing device for a multi-fold umbrella". Its structure is shown in Figure 1.
  • the button 21 on the umbrella handle 2 is pressed.
  • the button 21 pushes the rear projection 211 against the thrust of the compression spring 24, it moves away from the notch on the outer tube 11 of the middle rod, and the rod 1 is released and gradually extended by the opening spring 201, and passes through one end.
  • the pull wire 203 fixed at the bullet 202 in the umbrella handle 2 is pulled to the lower nest to maintain the open state, and at the same time, after the middle outer tube 11 is moved up, the movable sleeve 204 originally pressed by the outer tube 11 is compressed.
  • the thrust of the spring 205 is moved upward to a position corresponding to the button 21; thus, when the button 21 is pressed again, the button 21 pushes the upper end of a lever device 206 inwardly through the movable sleeve 204 to tilt the lower end of the lever device 206, the projectile 202 is released, the lower nest loses support, and the umbrella surface is automatically folded under the action of the umbrella spring.
  • the middle rod 1 will not be automatically folded, and it is necessary to manually press the middle rod 1 to fold it up, but In the process of folding the continuous operation or careless not let go, the rod 1 will suddenly bounce up under the action of the unfolding of the spring 201, so that it is prone to accidents wounding.
  • a Chinese utility model patent with the publication number CN201499743U discloses an "automatic opening and closing umbrella safety structure", the structure of which is shown in Fig. 2 and Fig. 3.
  • the automatic opening and closing umbrella is in the umbrella handle.
  • a safety structure is provided.
  • the safety structure includes: a rotating shaft 91, a ratchet 92 and a spring 93 which are fixed to the rotating shaft 91, and a positioning block 94 and a cable 99 for preventing the ratchet 92 from being reversed.
  • One end of the main pull wire 95 for controlling the opening and closing of the umbrella is fixed on the buckle 96, and the other end is fixed to the upper nest around the pulley block provided on the upper and lower nests.
  • the upper end of the cable 99 of the safety structure is fixed to the upper nest, and the lower end is fixedly wound around the rotating shaft 91 through the inner cavity of the middle rod. Utilizing the unidirectional rotation of the ratchet 92 to pull the rod during compression Staying in the cable 99, so that the stick will not rebound and a wounding accident.
  • the automatic opening and closing umbrella has the following disadvantages: One end of the main pulling wire 95 passes through the through hole 98 opened in the side wall of the buckle 96 and is knotted and fixed.
  • the buckle 96 Since the knot 97 of the main pull wire 95 is exposed, during the process of opening and closing the umbrella, the buckle 96 will move up and down in the inner cavity of the middle rod, so that the knot 97 will rub against the inner wall of the middle rod, and after the use time is long, the rope The knot 97 will be worn out.
  • the main pull wire 95 needs to be rotated by an angle when passing through the through hole of the side wall of the buckle 96, so that the tensile force that the main pull wire 95 can bear is reduced, and the buckle 96 is easily deflected during the opening and closing process, so that The friction between the cable 99 of the safety structure and the buckle 96 is increased.
  • the technical problem to be solved by the utility model is to provide an automatic opening and closing umbrella with an anti-return umbrella rebounding device which is not easy to be worn and can withstand a large pulling force.
  • an automatic opening and closing umbrella with an anti-backlash rebounding device comprising: an umbilical assembly provided with an umbrella spring, and an open umbrella inside a collapsible middle rod of the spring, an upper nest fixed to the upper end of the foldable middle rod and a sliding sleeve attached to the lower nest of the foldable middle rod, and an open umbrella control device disposed in the middle rod and the umbrella handle and An anti-backlash rebounding device, a main rope for controlling the opening and closing of the umbrella; the upper end of the main rope is fixed to the upper pulley seat of the upper nesting position, and then wound around the pulley block respectively fixed to the upper nest and the lower nest, The lower end is fixed on the buckle; the anti-receiver rebounding device comprises a cable, the upper end of the cable is fixedly connected with the outer tube or the upper pulley seat of the foldable middle rod, and the lower end is fixed and wound up The anti-backlash rebounding device;
  • the buckle includes a metal casing and a plastic inner plug fixed in the metal casing, the vertical through hole is disposed on the plastic inner plug, and a side of the plastic inner plug defines a vertical slot, the vertical
  • the straight groove and the inner wall of the metal casing enclose a fixing hole capable of clamping and fixing the main rope.
  • the metal casing has a diameter that is large at both upper and lower ends and small in the middle, and the plastic inner plug is disposed in a cavity having a larger diameter in a lower portion of the metal casing.
  • the lower end of the main rope is tied with a knot, and the knot is placed at a lower portion of the fixing hole.
  • the anti-backlash rebounding device comprises: a cable receiving rotating shaft disposed under the buckle in the umbrella handle, a spring and a ratchet fixed to the cable receiving shaft, a locking unit for limiting the ratchet reversal; the cable is wound around the cable receiving shaft at one end, and the winding spring generates a driving The cable accommodates a force that the rotating shaft rotates to wind the cable.
  • the automatic opening and closing umbrella of the utility model has an automatic opening and closing umbrella for controlling the umbrella opening and closing, and the main rope for controlling the opening and closing of the umbrella is fixed through the vertical fixing hole opened on the buckle head, therefore, During the process of opening and closing the umbrella, the buckle does not rub to the knot when moving up and down the inner cavity of the middle rod, thereby greatly increasing the reliability and service life of the main rope, and the main rope has no turning angle at the fixed portion, or The turning angle is small, the tensile force that can be withstand is large; and since the fixing hole of the fixed main rope is arranged substantially in parallel with the vertical through hole through which the cable can freely pass, during the opening and closing process of the umbrella The buckle can be prevented from being deflected, thereby reducing the friction between the cable and the vertical through hole wall of the buckle.
  • Fig. 1 is a schematic view showing the structure of an automatic opening and closing device in the prior art
  • No. CN2827075Y. 2 is a schematic view of a conventional CN201499743U automatic opening and closing umbrella safety structure.
  • Fig. 3 is a structural schematic view showing the connection of the buckle 96 of the conventional automatic opening and closing device to the main cable 95.
  • Fig. 4 is a schematic view showing the overall structure of the automatic opening and closing umbrella of the utility model.
  • Fig. 5 is a schematic view showing the first embodiment of the connection structure of the buckle 32 of the automatic opening and closing umbrella and the main rope 31 and the cable 41 of the present invention.
  • Figure 6 is a vertical sectional view of the buckle 32 in the first embodiment.
  • Figure 7 is a plan view of the buckle 32 of the first embodiment.
  • Fig. 8 is a schematic view showing the second embodiment of the connection structure of the automatic opening and closing umbrella 32 of the utility model and the main rope 31 and the cable 41.
  • Figure 9 is a perspective view of the inner plug 322.
  • Figure 10 is a plan view of the inner plug 322.
  • Figure 11 is a schematic view showing the structure of the automatic opening and closing umbrella of the utility model in the state of collecting the umbrella.
  • Figure 12 is a schematic view showing the structure of the automatic opening and closing umbrella of the utility model in the open state. detailed description
  • the automatic opening and closing umbrella with the anti-returning rebounding device of the present invention comprises: an umbilical assembly 6 provided with an umbrella spring, and an open umbrella spring 35 therein. a foldable middle rod 1, an upper nest 51 fixed to the upper end of the foldable middle rod 1, a lower nest 52 slidably sleeved in the foldable middle rod 1, and an umbrella handle 2 connected to the lower end of the rod 1
  • the open umbrella control device includes a main rope 31, a buckle 32, a button 21 for controlling the opening and closing of the umbrella, a latching member 34 for locking or releasing the buckle 32, an open umbrella spring 35, and the like, the main rope
  • the upper end of the 31 is fixed to the upper pulley block at the position of the upper nest 51, and then wound around the pulley block fixed to the upper nest 51 and the lower nest 52, respectively, and the lower end thereof is fixed to the buckle 32.
  • the buckle 32 In the umbrella state, as shown in FIG. 11, the buckle 32 is locked and fixed in the inner cavity of the umbrella handle 2 by the latching member 34; and in the open state, as shown in FIG. 12, the buckle head 32 is as shown in FIG. It is released and moved up into the inner cavity of the middle rod 1.
  • the anti-backlash rebounding device 4 includes a cable 41, a cable receiving rotating shaft disposed under the buckle 32 of the umbrella handle 2, a spring and a ratchet fixed on the cable receiving rotating shaft, and used for limiting the a ratchet reversed locking unit; the lower end of the cable 4 is fixed and wound on the cable receiving rotating shaft, and the tightened spring generates a force for driving the cable to accommodate the rotation of the rotating shaft to wind the cable 41 .
  • the ratchet is restricted by the clamping unit to be unidirectionally rotated to keep the upper nest or the top of the middle rod tightened by the cable 41, preventing the middle rod 1 from rebounding when the hand is accidentally released.
  • the above-mentioned open umbrella control device and the anti-return umbrella rebound device are prior art, and the working principle thereof will not be described in detail in this patent.
  • the key point of the present invention from the prior art is the improvement of the shape and structure of the buckle 32, and the connection relationship between the main rope 31, the cable 41 and the buckle 32.
  • the present invention has the following embodiments.
  • Embodiment 1 as shown in FIG. 5, FIG. 6, and FIG. 7, two substantially parallel and mutually spaced through holes are formed in the vertical direction on the buckle 32, one of which is for the main rope 31.
  • the fixing hole 323 passes through, and the other is a vertical through hole 324 through which the cable 41 is freely traversed.
  • the buckle 32 includes a metal casing 321 .
  • a plastic inner plug 322 fixed in the metal casing 32 1 the diameter of the metal casing 32 1 is large at the top and bottom, and the middle is small, and the plastic inner plug 322 can be disposed at a lower diameter of the lower portion of the metal casing 321 In the lumen.
  • a vertical through hole 324 through which the cable 41 passes is disposed on the plastic inner plug 322.
  • a sidewall of the plastic inner plug 322 defines a vertical slot 3221, and the vertical slot 322 1 and the metal housing 321
  • the inner wall encloses a fixing hole 323 capable of holding and fixing the main rope 31.
  • the material of the plastic inner plug 322 is relatively softer than metal, so that the wear of the main rope 31 and the cable 41 can be reduced to make it more durable.
  • a knot 31 1 may be formed at the lower end of the main rope 31.
  • the knot 31 1 is placed on the lower portion of the fixing hole 32 3 and built in the inside of the buckle 32. It is not exposed, so that the knot 311 can be prevented from being damaged by friction when the buckle 32 moves up and down.

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  • Walking Sticks, Umbrellas, And Fans (AREA)

Description

具有防收伞回弹装置的自动开收伞 技术领域
本实用新型涉及日常使用的伞具， 尤其涉及自动开收伞的开收伞控制装置 的结构改进。 背景技术
现有技术中， 自动开收伞在伞把内部安装有开收伞控制装置， 只需按压伞 把上的按钮即可实现自动开伞和自动收折伞面的动作， 使用起来非常方便， 因 而广受欢迎。 如公告号为 CN2827075Y 的中国实用新型专利就公开了一种 "多 折伞的自动开、 收装置"， 其结构如图 1所示， 当伞处于收折状态， 按压伞把 2 上的按钮 21时， 按钮 21推动后部的凸块 211抵抗压缩弹簧 24的推力后移脱 离中棒外管 11上的缺口， 伞中棒 1被释放并在开伞弹簧 201 的作用下逐渐伸 展， 并通过一端固定在伞把 2内子弹头 202处的拉线 203拉住下巢使之维持在 开伞状态， 同时， 在中棒外管 11上移后， 原来被外管 11压住的活动套 204在 压缩弹簧 205 的推力下向上移动至与按钮 21对应的位置； 因而当再次按压按 钮 21时， 按钮 21通过活动套 204向内推动一杠杆装置 206上端使该杠杆装置 206下端外翘， 所述子弹头 202即被释放， 下巢失去支撑， 伞面就在收伞弹簧 的作用下自动收折， 此时中棒 1不会自动折叠， 需要人手向下压中棒 1才会折 叠起来， 但如果在折叠的过程中动作不连续或不不小心松开手时， 中棒 1又会 在开伞弹簧 201的作用下突然向上反弹， 这样很容易发生伤人的事故。
为了防止上述情况发生，公告号为 CN201499743U的中国实用新型专利中公 开了一种 "自动开收伞安全结构"， 其结构如图 2和图 3所示， 这种自动开收 伞在伞把内设置有一安全结构， 该安全结构包括： 转轴 91、 固定在该转轴 91 上的只能单身转动的棘轮 92和发条 93、 防止棘轮 92反转的定位块 94和拉索 99。 控制伞开合的主拉线 95的一端固定在扣头 96上， 另一端绕经上、 下巢上 设置的滑轮组后固定于上巢。 安全结构的拉索 99 上端固定于上巢， 下端穿过 中棒内腔固定绕在所述转轴 91上。 利用棘轮 92的单向转动性在压缩中棒时拉 住拉索 99 , 使中棒不会反弹而发生伤人事故。 但是这种自动开收伞存在如下缺 点： 主拉线 95的一端是穿过扣头 96侧壁上开设的通孔 98并打结固定的。 由 于主拉线 95的绳结 97外露， 在开、 收伞的过程中， 扣头 96会在中棒内腔上 下移动， 从而该绳结 97会与中棒内壁摩擦， 使用时间长了以后， 绳结 97会被 磨坏。 另一方面， 主拉线 95在从扣头 96侧壁通孔穿过时需要转一个角度， 这 样主拉线 95能承受的拉力就降低了， 而且扣头 96在开收伞过程中容易走偏， 使得安全结构的拉索 99与扣头 96之间的摩擦力增大。 实用新型内容
本实用新型要解决的技术问题是提供一种拉索不容易被磨坏且能承受的拉 力较大的具有防收伞回弹装置的自动开收伞。
本实用新型的目的可以通过釆用如下的技术措施来实现， 设计一种具有防 收伞回弹装置的自动开收伞， 包括： 设置有收伞弹簧的伞骨总成， 内设有开伞 弹簧的可折叠中棒， 固设在所述可折叠中棒上端的上巢和滑动套接在所述可折 叠中棒的下巢， 设置在中棒和伞把内的开收伞控制装置和防收伞回弹装置， 一 控制伞开合的主绳索； 该主绳索的上端固定在所述上巢位置的上滑轮座， 然后 缠绕于分别固设在所述上巢和下巢的滑轮组， 其下端固定在扣头上； 所述防收 伞回弹装置包括一拉索， 该拉索的上端与所述可折叠中棒的外管或上滑轮座固 定连接， 其下端固定且收卷于所述防收伞回弹装置的； 其中 ·. 所述扣头的长度 方向设置有用于固定所述主绳索的固定孔和让所述拉索能自由穿越的竖直通 孔， 所述固定孔与所述竖直通孔呈基本平行的设置。
所述扣头包括金属外壳和固接在所述金属外壳内的塑料内塞， 所述竖直通 孔设置在该塑料内塞上， 该塑料内塞侧壁开设一竖直槽， 所述竖直槽与所述金 属外壳的内壁围成能夹持固定所述主绳索的固定孔。 ·
所述金属外壳的直径上下两头大， 中间小， 所述塑料内塞设置在所述金属 外壳下段直径较大的内腔中。
所述主绳索的下端打一绳结， 该绳结卡置在所述固定孔的下部。
所述防收伞回弹装置包括： 设置在伞把内所述扣头下方的拉索收纳转轴、 固定在该拉索收纳转轴上的发条和棘轮、 用于限制所述棘轮反转的卡制单元； 所述拉索一端绕在所述拉索收纳转轴上， 上紧的发条产生一个驱动所述拉索收 纳转轴转动以卷绕拉索的力。
与现有技术相比较， 本实用新型的具有防收伞回弹装置的自动开收伞其用 于控制伞开合的主绳索是穿过扣头上开设的垂直固定孔后固定的， 因此， 在开 收伞的过程中， 扣头在中棒内腔上下移动时不会磨擦到绳结， 从而可大大增加 主绳索工作的可靠性和使用寿命， 并且主绳索在固定部位没有转折角度， 或者 转折角度很小， 能承受的拉力较大； 并且由于所述固定主绳索的固定孔与让所 述拉索能自由穿越的竖直通孔呈基本平行的设置， 因此在伞的开合过程中能防 止扣头走偏， 从而减少所述拉索与扣头竖直通孔孔壁之间的摩擦力。 附图说明
附图的图面说明如下。
图 1为现有的第 CN2827075Y号专利中的自动开收装置的结构示意图。 图 2为现有的第 CN201499743U自动开收伞安全结构的示意图。
图 3为现有自动开收装置的扣头 96与主拉线 95连接的结构示意图。 图 4为本实用新型自动开收伞的整体结构示意图。
图 5为本实用新型自动开收伞的扣头 32与主绳索 31和拉索 41的连接结构 实施例一的示意图。
图 6为实施例一中的扣头 32的竖向剖面图。
图 7为实施例一中的扣头 32的俯视图。
图 8为本实用新型自动开收伞的扣头 32与主绳索 31和拉索 41的连接结构 实施例二的示意图。
图 9为所述内塞 322的立体图。
图 10为所述内塞 322的俯视图。
图 11为本实用新型自动开收伞在收伞状态时的结构示意图。
图 12为本实用新型自动开收伞在开伞状态时的结构示意图。 具体实施方式
下面结合附图对本实用新型作进一步的详细说明。
如图 4、 图 1 1和图 12所示， 本实用新型的具有防收伞回弹装置的自动开 收伞包括：设置有收伞弹簧的伞骨总成 6、 内设有开伞弹簧 35的可折叠中棒 1、 固设在所述可折叠中棒 1上端的上巢 51、滑动套接在所述可折叠中棒 1的下巢 52、 连接中棒 1下端的伞把 2、 设置在中棒 1和伞把 2内的开收伞控制装置和 防收伞回弹装置 4。
所述开收伞控制装置包括主绳索 31、 扣头 32、 控制伞开合的按钮 21、 用 于锁定或释放所述扣头 32的卡锁件 34、 开伞弹簧 35等， 所述主绳索 31的上 端固定在所述上巢 51位置的上滑轮座， 然后缠绕于分别固设在所述上巢 51和 下巢 52的滑轮组， 其下端固定在扣头 32上。 在收伞状态下， 如图 11所示， 所述扣头 32被卡锁件 34卡住固定在伞把 2 内腔； 而在开伞状态下， 如图 12 所示， 所述扣头 32被释放并上移至中棒 1的内腔中。
所述防收伞回弹装置 4包括一拉索 41、 设置在伞把 2内扣头 32下方的拉 索收纳转轴、 固定在该拉索收纳转轴上的发条和棘轮、 用于限制所述棘轮反转 的卡制单元； 所述拉索 4下端固定并卷绕在所述拉索收纳转轴上， 上紧的发条 产生一个驱动所述拉索收纳转轴转动以卷绕拉索 41的力。 在压缩中棒 1时，所 述棘轮被卡制单元限制只能单向转动从而通过拉索 41 保持拉紧上巢或中棒顶 部，防止不小心松开手时中棒 1会反弹。
上述开收伞控制装置和防收伞回弹装置为现有技术， 其工作原理本专利不 再赘述。 本实用新型有别于现有技术的关键之处是对扣头 32 的形状结构的改 进， 以及所述主绳索 31、 拉索 41与扣头 32之间的连接关系。 本实用新型有以 下实施方式。
实施例一、 如图 5、 图 6和图 7所示， 直接在所述扣头 32上沿垂直方向开 有两个基本平行设置且相互分隔的通孔， 其中一个为供所述主绳索 31 穿过的 固定孔 323， 另一个为供所述拉索 41 自由穿越的竖直通孔 324。
实施例二、 如图 8、 图 9和图 10所示， 所述扣头 32包括一金属外壳 321 和固接在所述金属外壳 32 1 内的塑料内塞 322， 所述金属外壳 32 1的直径上下 两头大， 中间小， 所述塑料内塞 322可设置在所述金属外壳 321下段直径较大 的内腔中。 供所述拉索 41穿过的竖直通孔 324设置在该塑料内塞 322上， 该 塑料内塞 322侧壁开设一竖直槽 3221， 所述竖直槽 322 1与所述金属外壳 321 的内壁围成能夹持固定所述主绳索 31 的固定孔 323。 较之于金属， 塑料内塞 322的材质相对较软， 因此能减小主绳索 31和拉索 41的磨损， 使之更加耐用。
为了将主绳索 31固定在扣头 32上， 可在主绳索 31下端打一绳结 31 1， 该 绳结 31 1卡置在所述固定孔 32 3的下部并内置于扣头 32的内部而不会外露， 因此能避免该绳结 311在扣头 32上下移动时受到磨擦而损坏。 以上所述只是本实用新型的较佳实施例， 并不用于限制本实用新型， 凡在 本实用新型精神和原则内所作的修改、 等同替换或者改进等， 均应包含在本实 用新型的保护范围内。

Claims

1、 一种具有防收伞回弹装置的自动开收伞， 包括： 设置有收伞弹簧的伞 骨总成 （6 ) ， 内设有开伞弹簧的可折叠中棒（1 ) , 固设在所述可折叠中棒
( 1 )上端的上巢（51 )和滑动套接在所述可折叠中棒（1 ) 的下巢（52 ) , 设置在中棒（1 ) 和伞把 （2 ) 内的开收伞控制装置和防收伞回弹装置（4) ， 一控制伞开合的主绳索 （ 31 )； 该主绳索 （ 31 ) 的上端固定在所述上巢（ 51 ) 位置的上滑轮座， 然后缠绕于分别固设在所述上巢（51 )和下巢（52 ) 的滑 轮组，其下端固定在扣头（ 32 )上；所述防收伞回弹装置（ 4 )包括一拉索（ 41 ), 该拉索 （41 ) 的上端与所述可折叠中棒（1 )的外管或与外管固接的上滑轮座 固定连接， 其下端固定且收卷于所述防收伞回弹装置（4 ) ； 其特征在于： 在所述扣头 （32 ) 的长度方向设置有用于固定所述主绳索 （31 ) 的固定 孔 （ 323 )和让所述拉索 （41 ) 能自由穿越的竖直通孔 （ 324 ) , 所述固定孔
( 323 ) 与所述竖直通孔 （ 324 ) 呈基本平行的设置。
2、 根据权利要求 1所述的具有防收伞回弹装置的自动开收伞， 其特征在 于： 所述扣头 （ 32 )包括金属外壳 （ 321 )和固接在所述金属外壳 （ 321 ) 内 的塑料内塞（ 322 ) ， 所述竖直通孔（ 324 )设置在该塑料内塞（ 322 )上， 该 塑料内塞（ 322 )侧壁开设一竖直槽 （ 3221 ) ， 所述竖直槽（ 3221 )与所述金 属外壳 （321 ) 的内壁围成能夹持固定所述主绳索 （31 ) 的固定孔 （ 323 ) 。
3、 根据权利要求 2所述的具有防收伞回弹装置的自动开收伞， 其特征在 于： 所述金属外壳 （321 ) 的直径上下两头大， 中间小， 所述塑料内塞（ 322 ) 设置在所述金属外壳 '( 321 ) 下段直径较大的内腔中。
4、 根据权利要求 1、 2或 3所述的具有防收伞回弹装置的自动开收伞， 其 特征在于： 所述主绳索 （31 ) 的下端打一绳结 （311 ) , 该绳结 （311 ) 卡置 在所述固定孔 （ 323 ) 的下部。
5、 根据权利要求 1、 2或 3所述的具有防收伞回弹装置的自动开收伞， 其 特征在于， 所述防收伞回弹装置（4)包括： 设置在伞把内所述扣头（32) 下 方的拉索收纳转轴、 固定在该拉索收纳转轴上的发条和棘轮、 用于限制所述 棘轮反转的卡制单元； 所述拉索 （41 ) 一端绕在所述拉索收纳转轴上， 上紧 的发条产生一个驱动所述拉索收纳转轴转动以卷绕拉索 （41 ) 的力。
PCT/CN2010/001787 2010-09-26 2010-11-08 具有防收伞回弹装置的自动开收伞 WO2012037712A1 (zh)

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