CN2279691Y - 耐久拉线开关 - Google Patents

耐久拉线开关 Download PDF

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Publication number
CN2279691Y
CN2279691Y CN 96219147 CN96219147U CN2279691Y CN 2279691 Y CN2279691 Y CN 2279691Y CN 96219147 CN96219147 CN 96219147 CN 96219147 U CN96219147 U CN 96219147U CN 2279691 Y CN2279691 Y CN 2279691Y
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wheel
backguy
utility
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model
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范元本
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Abstract

本实用新型公开了一种耐久拉线开关的结构。其主要特征是:绝缘轮为一个长、短交错的锯齿轮,上簧片和下簧片相交叉于绝缘轮之上;有一个介环,套于复位轮的拉线孔中,拉线系于介环上。本实用新型的主要优点是:接触电阻小,不易拉断拉线,使用耐久。

Description

耐久拉线开关
本实用新型涉及一种拉线开关的结构。
传统的拉线开关包括顶盖、底座和拉线。其底座上的槽内置有由绝缘轮(锯齿轮)、复位轮和弹簧构成的复位机构;槽的外边置有由上接线柱与上簧片、下接线柱与下簧片、上簧片置于绝缘轮上方、下簧片固定在绝缘轮的齿上;拉线系于复位轮的拉线孔上。传统的拉线开关存在的主要不足有:上、下两簧片须通过绝缘轮转动导通,故增加了接触电阻;拉线与复位轮的拉线孔直接摩擦,易磨断拉线。
本实用新型的目的是提供一种耐久拉线开关,其不但接触电阻小,而且使用耐久,不易拉断拉线。
本实用新型的目的是这样实现的:本实用新型包括顶盖、底座1和拉线2。在底座上的槽3内置有由绝缘轮4、复位轮5和弹簧6构成的复位机构,在槽的外边置有由上接线柱7与上簧片8和下接线柱9与下簧片10构成的导电机构;其中,绝缘轮为一个长、短齿交错的锯齿轮,上簧片和下簧片交叉于绝缘轮之上;有一个介环11,套于复位轮的拉线孔中,拉线系于介环上。
本实用新型的主要优点是,由于上述改进,使得其不但接触电阻小,而且不易拉断拉线,使用耐久。
本实用新型附图的图面说明如下:
图1为本实用新型的底座的结构示意图;
图2为本实用新型的底座的侧视图;
图3为本实用新型底座的局部工作示意图一;
图4为本实用新型底座的局部工作示意图二。
下面结合实施例和附图对本实用新型作进一步详述:在实施例中,  绝缘轮为六齿锯齿轮,邻齿之间呈60°角。在实施例中,在接介环11的拉线端处套有防摩擦套管12。
本实用新型使用时,拉线2通过介环11拉转复位轮5,复位轮5使绝缘轮4转动60°,绝缘轮4的锯齿高低相间。当绝缘轮4的高齿向上时(如图3所示),下簧片10被顶开,形成开关开路;当绝缘轮4旋转60°时,绝缘轮4的低齿向上,从而使下簧片10失去支顶而复位,形成开关的闭路状态。如此反复,即为本实用新型的工作过程。

Claims (3)

1、一种耐久拉线开关,包括顶盖、底座和拉线,在底座上的槽内置有由绝缘轮、复位轮和弹簧构成的复位机构,在槽的外边置有由上接线柱与上簧片和下接线柱与下簧片构成的导电机构,其特征在于:绝缘轮为一个长、短齿交错的锯齿轮,上簧片和下簧片相交叉于绝缘轮上;有一个介环,套于复位轮的拉线孔中,拉线系于介环上。
2、按照权利要求1所述的耐久拉线开关,其特征在于:绝缘轮为六齿锯齿轮,邻齿之间呈60°角。
3、按照权利要求1所述的耐久拉线开关,其特征在于:在接介环的拉线端处套有防摩擦套管。
CN 96219147 1996-09-19 1996-09-19 耐久拉线开关 Expired - Fee Related CN2279691Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 96219147 CN2279691Y (zh) 1996-09-19 1996-09-19 耐久拉线开关

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 96219147 CN2279691Y (zh) 1996-09-19 1996-09-19 耐久拉线开关

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CN2279691Y true CN2279691Y (zh) 1998-04-22

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CN 96219147 Expired - Fee Related CN2279691Y (zh) 1996-09-19 1996-09-19 耐久拉线开关

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103325605A (zh) * 2013-04-25 2013-09-25 田小兵 段式拉绳开关
CN103903895A (zh) * 2014-04-10 2014-07-02 田小兵 段式拉绳开关
CN105742101A (zh) * 2012-04-10 2016-07-06 田小兵 段式拉绳开关

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105742101A (zh) * 2012-04-10 2016-07-06 田小兵 段式拉绳开关
CN103325605A (zh) * 2013-04-25 2013-09-25 田小兵 段式拉绳开关
CN103903895A (zh) * 2014-04-10 2014-07-02 田小兵 段式拉绳开关

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