CN2576065Y - 遮阳吊伞的伸缩装置 - Google Patents

遮阳吊伞的伸缩装置 Download PDF

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CN2576065Y
CN2576065Y CN02260089U CN02260089U CN2576065Y CN 2576065 Y CN2576065 Y CN 2576065Y CN 02260089 U CN02260089 U CN 02260089U CN 02260089 U CN02260089 U CN 02260089U CN 2576065 Y CN2576065 Y CN 2576065Y
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umbrella
umbrella bar
bar
runner
wire rope
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Expired - Lifetime
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CN02260089U
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于凤鸣
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Yotrio Group Co Ltd
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Individual
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Priority to CN02260089U priority Critical patent/CN2576065Y/zh
Priority to US10/608,526 priority patent/US6953043B2/en
Priority to EP03447214A priority patent/EP1400186A1/en
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    • 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
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B23/00—Other umbrellas
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B19/00—Special folding or telescoping of umbrellas
    • A45B19/04—Special folding or telescoping of umbrellas with telescopic sticks
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B23/00—Other umbrellas
    • A45B2023/0012—Ground supported umbrellas or sunshades on a single post, e.g. resting in or on a surface there below
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B23/00—Other umbrellas
    • A45B2023/0031—Cantilever umbrellas or sunshades with a support arm
    • A45B2023/0037—Cantilever umbrellas or sunshades with a support arm the support arm being attached to the stick or to the crown, the canopy being suspended there below
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B23/00—Other umbrellas
    • A45B2023/0031—Cantilever umbrellas or sunshades with a support arm
    • A45B2023/0062—Cantilever umbrellas or sunshades with a support arm the support arm being telescopic
    • 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
    • A45B2025/146—Devices for opening and for closing umbrellas with a crank connected to a rope

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  • Walking Sticks, Umbrellas, And Fans (AREA)

Abstract

遮阳吊伞的伸缩装置主要包括上、下支伞杆、伞架和手摇伸缩装置，上支伞杆的直径小于下支伞杆，上支伞杆设于下支伞杆内并可伸缩，手摇伸缩装置设于下支伞杆的下部内，为一连有手柄的涡杆两面分别与主动涡轮和从动涡轮相连，并通过轮轴连接缠绕钢丝绳的转轮A、B，钢丝绳A一端与转轮A相连，另一端固定于伞架的下伞盘，钢丝绳B一端与转轮B相连，另一端固定于上支伞杆。本实用新型的优点是伸缩轻松省力，使用寿命长且伞面不会翻转。

Description

遮阳吊伞的伸缩装置
技术领域：
本实用新型涉及一种遮阳吊伞的伸缩装置，特别是一种用于海边沙滩等室外遮蔽太阳的大型遮阳伞的伸展、闭合的伸缩装置。
背景技术：
一般用于海边沙滩等室外遮蔽太阳的大型遮阳伞由于其庞大的伞面和伞架使伸展、闭合的轻便成为人们使用和选择的要点。为了方便遮阳伞的伸展和闭合由人设计了，但是现有的摇手装置都是采用棘轮和棘爪结构，主要依靠摩擦力来解决遮阳伞的伸展和闭合。这种现有结构的缺点是：1、摩擦力不够或不稳定导致遮阳伞伸展时会脱离或翻转；2、摩擦力造成零部件磨损影响使用寿命；3、摇动时很沉重伸展遮阳伞较费力；4、遮阳伞依靠重力闭合往往不能使伞完全收缩闭合。本实用新型的目的就是为了解决已有技术的问题设计一种伸缩方便自如的遮阳伞伸缩装置。
发明内容：
本实用新型的构成主要包括上、下支伞杆、伞架和手摇伸缩装置，所述上支伞杆的直径小于下支伞杆，上支伞杆设于下支伞杆内并可伸缩，所述手摇伸缩装置设于下支伞杆的下部内，该装置为一连有手柄的涡杆两面分别与一主动涡轮和一从动涡轮相连，该主动涡轮和从动涡轮分别通过轮轴连接缠绕钢丝绳的转轮A、B，钢丝绳A一端与转轮A相连，另一端固定于伞架的下伞盘，钢丝绳B一端与转轮B相连，另一端固定于上支伞杆。本实用新型的优点是：1、采用涡轮、涡杆结构自锁性能良好，不会出现遮阳伞伸展时脱离、翻转现象；2、结构紧密而且机械磨损小，使用寿命长3、采用单涡杆带动双涡轮结构使伸展和闭合具有外力作用因而更自如方便而且摇动时轻松省力；4、支伞杆由上下两个弧形支杆组成，自由伸缩更加富有美感。
附图说明：
图1是本实用新型的收缩状态示意图；
图2是本实用新型的伸展状态示意图；
图3是本实用新型的摇手结构示意图；
图4是本实用新型的手摇伸缩装置结构剖视图；
图5是本实用新型上、下支伞杆结构局剖图；
图6是本实用新型伞架的结构示意图。
图中1为钢丝绳B、2为转轮A、3为主动涡轮、4为涡杆、5为轮轴、6为从动涡轮、7为压盖、8为转轮B、9为壳体、10为钢丝绳A、11为上支伞杆助滑装置、12为钢丝绳滑轮、13为下支伞杆、14为上支伞杆、15为防护罩、16为钢丝绳折返滑轮、17为定位螺栓、18为下支伞杆助滑装置、19为钢丝绳固定螺栓；20为下伞盘、21为手柄。
具体实施方式：
下面结合附图进一步说明本实用新型的实施例：
一弧形的上支伞杆14的直径小于弧形的下支伞杆13，上支伞杆14设于下支伞杆13内并可伸缩，上支伞杆14的下端外部设有助滑装置11，该装置11由塑料套111和均匀分布于塑料套外的钢珠112组成，该钢珠112能滚动以减小上支伞杆14伸出和滑进下支伞杆13时的摩擦力，上支伞杆14的下端内部设有三个钢丝绳滑轮12以减小钢丝绳A1滑动时的阻力；一下支伞杆13的上端内部设有助滑装置18，该装置18由塑料套181和均匀分布于塑料套外的钢珠182组成，钢珠能滚动以减小上支伞杆14伸出和滑进下支伞杆13时的摩擦力，下支伞杆13的上端外部一侧设有钢丝绳折返滑轮16其外设有防护罩15，另一侧设有定位螺栓17。
带有壳体9和压盖7的手摇伸缩装置设于下支伞杆13的下部内，该装置有一连有手柄21的涡杆4，该涡杆4的两面分别与一主动涡轮3和一从动涡轮6相连，构成单涡杆带动双涡轮作相反方向旋转的结构，该主动涡轮4和从动涡轮6分别通过轮轴5连接缠绕钢丝绳A1和钢丝绳B10的转轮A2和转轮B8，钢丝绳A1一端与转轮A2相连，另一端固定于伞架的下伞盘20，钢丝绳B10一端与转轮B8相连，另一端经螺栓19固定于上支伞杆14，主动涡轮4的转速是从动涡轮6的转速的两倍，处于收缩状态时转轮B8上缠绕钢丝绳B10的长度为钢丝绳A1行走长度的一半。
使用时，若要打开伞，顺时针摇动与涡杆4相连的手柄21，带动主动涡轮3和从动涡轮6作相反方向旋转，使与之相连的转轮A2和转轮B8作同步相反方向旋转，此时固定于下伞盘20上的钢丝绳A1开始缠绕在转轮A2上，同时原来缠绕在转轮B8上的钢丝绳B10开始放出，这时钢丝绳A1通过钢丝绳滑轮12和钢丝绳折返滑轮16把上支伞杆14从下支伞杆13内拉出直至定位螺栓17处停止，这时上枝杆14完全伸出下伞支杆13外，伞面也完全伸展。若要收缩伞，只需逆时针摇动与涡杆4相连的手柄21，带动主动涡轮3和从动涡轮6作相反方向旋转，使与之相连的转轮A2和转轮B8作同步相反方向旋转，此时固定于上支伞杆14上端的螺栓19上的钢丝绳B10开始缠绕于转轮B8上，同时原来缠绕于转轮A2上的钢丝绳A1开始逐渐放开，把上支伞杆14拉回到下支伞杆13内，伞面也随之闭合，这时转轮B8上缠绕的钢丝B10的长度为钢丝A1行走长度的一半，转轮A2上没有钢丝缠绕，回到初始状态。

Claims (4)

1、一种遮阳吊伞的伸缩装置，主要包括上、下支伞杆、伞架和手摇伸缩装置，其特征在于：所述上支伞杆的直径小于下支伞杆，上支伞杆设于下支伞杆内并可伸缩，所述手摇伸缩装置设于下支伞杆的下部内，该装置为一连有手柄的涡杆两面分别与一主动涡轮和一从动涡轮相连，该主动涡轮和从动涡轮分别通过轮轴连接缠绕钢丝绳的转轮A、B，钢丝绳A一端与转轮A相连，另一端固定于伞架的下伞盘，钢丝绳B一端与转轮B相连，另一端固定于上支伞杆。
2、根据权利要求1所述遮阳吊伞的伸缩装置，其特征在于：所述上支伞杆的下端外部设有助滑装置，该装置由塑料套和均匀分布于塑料套外的钢珠组成，上支伞杆的下端内部设有滑轮。
3、根据权利要求1所述遮阳吊伞的伸缩装置，其特征在于：所述下支伞杆的上端内部设有助滑装置，该装置由塑料套和均匀分布于塑料套外的钢珠组成，下支伞杆的上端外部一侧设有钢丝绳折返滑轮，另一侧设有定位螺栓。
4、根据权利要求1所述遮阳吊伞的伸缩装置，其特征在于：所述主动涡轮的转速是从动涡轮转速的两倍，转轮B上缠绕钢丝绳B的长度为钢丝绳A行走长度的一半。
CN02260089U 2002-09-19 2002-09-19 遮阳吊伞的伸缩装置 Expired - Lifetime CN2576065Y (zh)

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CN02260089U CN2576065Y (zh) 2002-09-19 2002-09-19 遮阳吊伞的伸缩装置
US10/608,526 US6953043B2 (en) 2002-09-19 2003-06-30 Retractable device for sun shading suspensory umbrella
EP03447214A EP1400186A1 (en) 2002-09-19 2003-08-19 Sunshade

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