CN200968102Y - 防盗双锁胆锁芯 - Google Patents

防盗双锁胆锁芯 Download PDF

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Publication number
CN200968102Y
CN200968102Y CN 200620067515 CN200620067515U CN200968102Y CN 200968102 Y CN200968102 Y CN 200968102Y CN 200620067515 CN200620067515 CN 200620067515 CN 200620067515 U CN200620067515 U CN 200620067515U CN 200968102 Y CN200968102 Y CN 200968102Y
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gallbladder
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林新达
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Zhongshan Dinggu Metal Products Co., Ltd.
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林新达
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Abstract

一种防盗双锁胆锁芯，属锁芯新品种，它包括锁胆座(1)、内锁胆(3)、弹珠弹簧(4)、上弹珠(6)、下弹珠(7)和拨轮(9)，其特征在于该锁芯还包括外锁胆(2)、平珠(5)和复位弹簧(8)，外锁胆(2)为套管形，它装在锁胆座(1)和内锁胆(3)之间，平珠(5)为扁圆形体，上、下面为球面，平珠(5)安装在上弹珠(6)与弹珠弹簧(4)之间，内锁胆(3)尾部略小，外套装有复位弹簧(8)，复位弹簧(8)外端压在外锁胆(2)内凸缘(21)上，锁芯在锁紧状态时，拨轮(9)拨板(91)处在锁舌拨板槽之外，它与已有锁胆锁芯相比，其特点是：本锁芯在锁紧状态下，内锁胆与外锁胆可一起转动，窃贼用非原配钥匙或工具无法开启，用电钻无法破坏，防盗性能好。

Description

防盗双锁胆锁芯
技术领域
本实用新型涉及锁芯新品种。
背景技术
众所周知，已有锁具开启机构—锁芯，包括锁胆、锁胆座、弹珠和弹珠弹簧；它为单锁胆锁芯，在锁紧状态时，锁胆是不能转动的，故它存在防盗性差的弊端：一是用非原配钥匙和工具插进锁胆钥匙孔偷开锁，弹珠容易被拨弄到开启状态而把锁开启；二是用电钻钻锁胆，破坏弹珠，也可把锁开启。
发明内容
本实用新型的目的在于提供一种能克服上述弊端的防盗双锁胆锁芯。
本锁芯包括锁胆座、外锁胆、内锁胆、弹珠弹簧、平珠、上弹珠、下弹珠、复位弹簧和拨轮；外锁胆为套管形，它装在锁胆座和内锁胆之间，平珠为扁圆形体，上、下面为球面，平珠安装在上弹珠与弹珠弹簧之间，内锁胆尾部略小，外套装有复位弹簧，复位弹簧外端压在外锁胆内凸缘上，锁芯在锁紧状态时，拨轮拨板处在锁舌拨板槽之外。
工作原理：本锁芯在锁紧状态时，内胆尾部拨轮拨板在锁舌拨板槽之外，而外锁胆和锁胆座接触面放的是平珠，故外锁胆可转动；
当用非原配钥匙和工具插进内锁胆钥匙孔偷开锁时，转动内锁胆却带动外锁胆一起转动，无法拨弄所有弹珠到开启状态，锁无法开启；
当用电钻钻内锁胆，企图破坏弹珠时，内锁胆与外锁胆与钻头一起转动，无法钻进去；
当用原配钥匙插进内锁胆钥匙孔时，弹珠处于开启状态，再把钥匙与内锁胆一起往里推进，压缩复位弹簧，转轮拨板便插进锁舌拨板槽里，转动钥匙，锁舌退出锁孔，锁便开启。
本实用新型特点是：本锁芯在锁紧状态下，内锁胆与外锁胆可一起转动，窃贼用非原配钥匙或工具无法开启，用电钻无法破坏，防盗性能好。
附图说明
附图为本锁芯纵剖示意图。
具体实施方式
参照附图，本锁芯包括锁胆座(1)、外锁胆(2)、内锁胆(3)、弹珠弹簧(4)、平珠(5)、上弹珠(6)、下弹珠(7)、复位弹簧(8)和拨轮(9)；外锁胆(2)为套管形，它装在锁胆座(1)和内锁胆(3)之间，平珠(5)为扁圆形体，上、下面为球面，平珠(5)安装在上弹珠(6)与弹珠弹簧(4)之间，内锁胆(3)尾部略小，外套装有复位弹簧(8)，复位弹簧(8)外端压在外锁胆(2)内凸缘(21)上，锁芯在锁紧状态时，拨轮(9)拨板(91)处在锁舌拨板槽之外。

Claims (2)

1、一种防盗双锁胆锁芯，包括锁胆座(1)、内锁胆(3)、弹珠弹簧(4)、上弹珠(6)、下弹珠(7)和拨轮(9)，其特征在于该锁芯还包括外锁胆(2)、平珠(5)和复位弹簧(8)，外锁胆(2)为套管形，它装在锁胆座(1)和内锁胆(3)之间，平珠(5)安装在上弹珠(6)与弹珠弹簧(4)之间，内锁胆(3)尾部略小，外套装有复位弹簧(8)，复位弹簧(8)外端压在外锁胆(2)内凸缘(21)上，锁芯在锁紧状态时，拨轮(9)拨板(91)处在锁舌拨板槽之外。
2、根据权利要求1所述的防盗双锁胆锁芯，其特征在于该锁芯平珠(5)为扁圆形体，上、下面为球面。
CN 200620067515 2006-11-13 2006-11-13 防盗双锁胆锁芯 Expired - Fee Related CN200968102Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620067515 CN200968102Y (zh) 2006-11-13 2006-11-13 防盗双锁胆锁芯

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620067515 CN200968102Y (zh) 2006-11-13 2006-11-13 防盗双锁胆锁芯

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CN200968102Y true CN200968102Y (zh) 2007-10-31

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1948679B (zh) * 2006-11-10 2010-12-08 中山市顶固金属制品有限公司 防盗双锁胆锁芯

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1948679B (zh) * 2006-11-10 2010-12-08 中山市顶固金属制品有限公司 防盗双锁胆锁芯

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Assignee: Zhongshan Dinggu Metal Products Co., Ltd.

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Contract fulfillment period: 2007.11.30 to 2016.11.12

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