CN2370385Y - 间歇锁定卷尺 - Google Patents

间歇锁定卷尺 Download PDF

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Publication number
CN2370385Y
CN2370385Y CN 99208579 CN99208579U CN2370385Y CN 2370385 Y CN2370385 Y CN 2370385Y CN 99208579 CN99208579 CN 99208579 CN 99208579 U CN99208579 U CN 99208579U CN 2370385 Y CN2370385 Y CN 2370385Y
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band tape
inching button
button
tape
tape strip
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CN 99208579
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王胜喜
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Abstract

一种间歇锁定卷尺,由上壳体(15)、下壳体(1)、卷尺轮(3)、锁定机构(19)、卷尺条(9)组成,卷尺轮内部有螺旋弹簧(5),外部卷绕着卷尺条(9)。在壳体(15)或(1)的侧面上有按钮孔(18),其中安装有点动按钮(16),当按动点动按钮(16)时,其底面与卷尺轮的环状侧面(2)接触,当松开动点按钮时,卷尺轮处于可转动状态。通过间歇按动点动按钮可方便地调整所拉出的卷尺条长度,并可使卷尺条在回缩时逐段回缩。

Description

间歇锁定卷尺
本实用新型涉及一种卷尺。由上、下壳体、卷尺轮、锁定机构、卷尺条组成。
现有的卷尺由上、下壳体、卷尺轮、锁定机构和卷尺条组成。下壳体中有一中心轴,卷尺轮安装在中心轴上。卷尺轮的内部装有可使其回转的螺旋弹簧,外部卷绕着卷尺条。卷尺是一种常用的测量长度的工具。测量时需将卷尺条拉伸到合适的长度,将锁定机构锁定后,进行测量。测量完毕后,打开锁定机构,卷尺条在螺旋弹簧力的作用下迅速自动缩回壳体中。现有卷尺存在的问题是:在测量过程中需经常调整拉出的卷尺条长度,如反复使用锁定机构,不仅操作不便,而且由于锁定机构一般是由锁定件卡住卷尺条进行锁定,经常操作锁定机构会造成卷尺表面刻度磨损不清。此外,卷尺条是由金属薄片制成,在其快速缩回时,很容易划伤操作者。
本实用新型的目的是:克服现有卷尺的上述不足,提供一种在拉出或缩回卷尺条时,可方便地使其间歇锁定的卷尺。
为达到上述目的,本实用新型采取以下改进措施:使卷尺轮的两侧具有环状侧面。在壳体的一侧面上有按钮孔。点动按钮安装在孔中,其位置与环状侧面对应。当未按动点动按钮时,点动按钮的底面与环状侧面之间有一定间隙,卷尺轮可转动。当按动点动按钮时,其底面与环状侧面接触,限制卷尺轮的转动。在点动按钮的底部有限位凸缘,防止其从按钮孔中脱落。
本实用新型与现有卷尺相比有以下优点:由于上述改进,可使卷尺条拉出后通过间歇按压点动按钮,可方便地拉出或缩回卷尺条,实现卷尺条拉出长度的调整。在缩回卷尺条时,可间歇按压点动按钮,使卷尺条逐段缩回,避免了由于卷尺条迅速缩回时可能发生的对人体的伤害。
下面将结合附图对本实用新型作进一步详细描述:
图1是本实用新型锁定机构松开时折除上壳体的视图。
图2是图1的左视图。
图3是本实用新型锁定机构锁定时折除上壳体的视图。
参见图1~图3。本实用新型由上壳体15、下壳体1、卷尺轮3、锁定机构19、卷尺条9组成。卷尺轮安装在下壳体的中心轴4上,其内部安装有螺旋弹簧5,外部卷绕着卷尺条9。在卷尺轮的两侧有环状侧面2。在卷尺条出口处安装有缓冲块8。锁定机构19包括锁定按键13、锁定件11、挡块7、限位凸块10和12、卡块14。上、下壳体通过数个有螺纹孔的凸柱6和螺钉固定在一起。图1所示是锁定机构松开时的状态。图3所示是锁定机构锁定时的状态。此时,锁定按键的上端被卡块14卡住,按键的下端推动锁定件11向下移动,将卷尺条夹在锁定件11与挡块7之间,实现锁定。
在上壳体的侧面上有按钮孔18,其中安装有点动按钮16。点动按钮的位置与环状侧面2对应。未按动点动按钮时,点动按钮的底面与环状侧面2之间有间隙20,按动点动按钮时,其底面与环状侧面接触。点动按钮底部有限位凸缘17。
使用时,将卷尺条拉出后间歇按压点动按钮,使卷尺条长度调整到适当长度,然后按压锁定按钮13,将卷尺条锁定后进行测量。测量完毕后,一手间歇按压点动按钮,另一手持卷尺条,使其逐段缩回壳体中。

Claims (1)

1.一种间歇锁定卷尺,由上壳体(15)、下壳体(1)、卷尺轮(3)、锁定机构(19)、卷尺条(9)组成,卷尺轮安装在下壳体(1)的中心轴(4)上,卷尺轮的内部安装有螺旋弹簧(5),外部卷绕着卷尺条(9),其特征在于:在卷尺轮的两侧有环状侧面(2),在上壳体(15)、或下壳体(1)的侧面上有按钮孔(18),其中安装有点动按钮(16),点动按钮(16)的位置与环状侧面(2)对应,未按动点动按钮(16)时,其底面与环状侧面(2)之间有间隙(20),按动点动按钮(16)时,其底面与环状侧面接触,点动按钮(16)底部有限位凸缘(17)。
CN 99208579 1999-04-23 1999-04-23 间歇锁定卷尺 Expired - Fee Related CN2370385Y (zh)

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CN 99208579 CN2370385Y (zh) 1999-04-23 1999-04-23 间歇锁定卷尺

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Application Number Priority Date Filing Date Title
CN 99208579 CN2370385Y (zh) 1999-04-23 1999-04-23 间歇锁定卷尺

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9874428B1 (en) 2016-10-05 2018-01-23 Milwaukee Electric Tool Corporation Tape measure with compact retraction system
US10054415B2 (en) 2015-09-30 2018-08-21 Milwaukee Electric Tool Corporation Tape measure
US10836603B2 (en) 2017-03-22 2020-11-17 Milwaukee Electric Tool Corporation Tape measure with epicyclic gear drive for tape retraction
CN113057563A (zh) * 2021-03-23 2021-07-02 温州医科大学附属第一医院 一种内镜操作器械用自动操控装置
CN116868022A (zh) * 2021-02-05 2023-10-10 艾沛克斯品牌公司 具有抗翻卷机构的测量卷尺
US11846504B2 (en) 2016-10-05 2023-12-19 Milwaukee Electric Tool Corporation Tape measure with compact retraction system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10054415B2 (en) 2015-09-30 2018-08-21 Milwaukee Electric Tool Corporation Tape measure
US10767970B2 (en) 2015-09-30 2020-09-08 Milwaukee Electric Tool Corporation Tape measure
US9874428B1 (en) 2016-10-05 2018-01-23 Milwaukee Electric Tool Corporation Tape measure with compact retraction system
US11466970B2 (en) 2016-10-05 2022-10-11 Milwaukee Electric Tool Corporation Tape measure with compact retraction system
US11846504B2 (en) 2016-10-05 2023-12-19 Milwaukee Electric Tool Corporation Tape measure with compact retraction system
US10836603B2 (en) 2017-03-22 2020-11-17 Milwaukee Electric Tool Corporation Tape measure with epicyclic gear drive for tape retraction
US11427434B2 (en) 2017-03-22 2022-08-30 Milwaukee Electric Tool Corporation Tape measure with epicyclic gear drive for tape retraction
CN116868022A (zh) * 2021-02-05 2023-10-10 艾沛克斯品牌公司 具有抗翻卷机构的测量卷尺
CN113057563A (zh) * 2021-03-23 2021-07-02 温州医科大学附属第一医院 一种内镜操作器械用自动操控装置

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