CN2084494U - 自行车防盗锁 - Google Patents

自行车防盗锁 Download PDF

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Publication number
CN2084494U
CN2084494U CN 90213029 CN90213029U CN2084494U CN 2084494 U CN2084494 U CN 2084494U CN 90213029 CN90213029 CN 90213029 CN 90213029 U CN90213029 U CN 90213029U CN 2084494 U CN2084494 U CN 2084494U
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lock
bicycle
lock core
theft
utility
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刘长松
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Abstract

本实用新型涉及一种自行车防盗锁,与现有市售 自行车防盗锁相比,本实用新型不是采用组合配装结 构而是采用整体式结构,锁芯弹子采用平端紧定螺钉 和铝制加压堵头双倍保险,锁舌也采用该双保险结 构,由6组弹子决定锁芯的转动,偷车者撬开车锁十 分困难,是理想的防盗自行车锁。

Description

本实用新型涉及一种自行车防盗锁,属E01B71/00。
现有自行车防盗锁比普通自行车锁增加了防盗能力,如现有市售的专利号为88212133.2的自行车防盗锁,采用凸轮机构开锁,双卡止动关锁并增设了数个钢铆钉,但其结构形式仍为组合配装式,这就使偷车者有可趁之机,其防盗效果不够理想。
本实用新型的目的在于提供一种防盗能力更强的自行车防盗锁。
本实用新型采用整体式结构,开锁由锁芯曲拐在锁芯转动时将锁舌提升,锁舌及6组锁芯弹子均采用平端紧定螺钉和铝制加压堵头双倍保险机构。
本实用新型各堵头被撬开的可能性很小,如果未能将全部堵头撬开,则锁仍为关锁,而撬开所有堵头需5、6天功夫且需将自行车倒提起来,偷车者很不方便。
现对照附图对本实用新型作详细描述。
图1为本实用新型正视图,图2、图3分别为锁体剖面及A向剖面图。
1-锁舌、2-锁环、3-锁环拉簧、4-螺钉堵头、5-锁舌压簧螺钉、6-锁舌压簧、7-定位销、8-下部弹子、9-上部弹子、10-弹子压簧、11-平端紧定螺钉、12-螺钉堵头、13-锁芯、14-锁芯曲拐,由图可见,在关锁时,锁舌(1)在压簧(6)作用下落入锁环(3)卡槽内,开锁时由6组弹子决定锁芯(13)转动带动其曲拐(14),曲拐在锁舌卡槽里将锁舌带起使锁环(2)在拉簧(3)的作用下缩进,6组弹子及锁舌压簧上均有紧定螺钉和铝制加压堵头作为双倍保险机构。

Claims (2)

1、一种自行车锁,特别是自行车防盗锁,其特征在于,锁体采用整体结构形式,锁芯前部有一曲拐,锁芯(13)的转动由6组弹子决定,锁舌(1)的上移即锁的开启,是由伸进锁舌槽里的锁芯曲拐(14)在锁芯转动时带动的,每组弹子压簧上设有平端紧定螺钉及铝制加压堵头。
2、根据权利要求1所述的自行车防盗锁,其特征在于,锁芯(13)的每组弹子压簧(10)上有一平端紧定螺钉(11),紧定螺钉上有一铝制加压堵头(12);锁舌压簧(6)上也设有压簧螺钉(5)及铝制加压堵头(4)。
CN 90213029 1990-06-16 1990-06-16 自行车防盗锁 Withdrawn CN2084494U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 90213029 CN2084494U (zh) 1990-06-16 1990-06-16 自行车防盗锁

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 90213029 CN2084494U (zh) 1990-06-16 1990-06-16 自行车防盗锁

Publications (1)

Publication Number Publication Date
CN2084494U true CN2084494U (zh) 1991-09-11

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Family Applications (1)

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CN 90213029 Withdrawn CN2084494U (zh) 1990-06-16 1990-06-16 自行车防盗锁

Country Status (1)

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CN (1) CN2084494U (zh)

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