CN87204212U - 一种弹子门锁的防盗结构 - Google Patents

一种弹子门锁的防盗结构 Download PDF

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CN87204212U
CN87204212U CN 87204212 CN87204212U CN87204212U CN 87204212 U CN87204212 U CN 87204212U CN 87204212 CN87204212 CN 87204212 CN 87204212 U CN87204212 U CN 87204212U CN 87204212 U CN87204212 U CN 87204212U
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lock
preventing structure
theft preventing
fore shaft
spring lock
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CN 87204212
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邹致君
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Abstract

一种弹子门锁的防盗结构。本实用新型涉及经改进后具有防盗结构的弹子门锁。这种防盗结构是在锁壳和锁口接触处具有由锁壳凸台和锁口凹槽契合形成的套封结构。采用这种防盗结构的弹子门锁具有防拨、防撬、防锯、防拆的保险功能,并且使用方便。

Description

一种弹子门锁的防盗结构
一种改进的弹子门锁。特别是具有防盗结构的弹子门锁。
当前人们常用的弹子门锁有下列几种:普通弹子门锁、双保险弹子门锁和四保险弹子门锁等品种。其结构由锁壳、锁头、保险滴子、锁舌和锁口组成。锁舌大都是斜舌、方舌。普遍做成单舌,也有的做成双舌。保险方式一般是将保险滴子拨在中间,这样室外虽有钥匙也不能开启进行室内保险;以及将钥匙插入锁头向逆时钟方向旋转360°起反保险作用进行室外保险。还有用拨号码、按报警等方式加强保险性能。上述弹子门锁的共同缺点是其锁口均为平口,窃贼可用铁片、锯条或其它作案工具从锁口接触锁舌。如果为斜舌弹子门锁,当主人忘记拨保险滴子时,窃贼能用铁片等作案工具拨动锁舌入室作案;如果为方舌头门锁或是主人已经拨动保险滴子的情况下,窃贼则可用锯条从锁口处锯断锁舌,因锁舌一般均用铜质或铝合金材质制成,将其锯断是比较容易的。此外,各种弹子门锁保险功能越多,结构就越复杂,制造工艺也越复杂。开关门的手续也就越繁琐。
本实用新型的目的在于提供一种弹子门锁的防盗结构,采用这种防盗结构的弹子门锁具有防拨、防撬、防锯、防拆的保险功能。且使用方便。
本实用新型是以如下方式完成的:在弹子门锁的锁壳和锁口接触处将现有的平口接触改为采用套封结构,将锁舌套封在锁壳和锁口之内。这种套封结构是由锁口凹槽和锁壳凸台契合形成,这样就将锁舌套封在内,窃贼用任何工具都无法接触锁舌,起到防拨、防撬、防锯的作用。
现有弹子门锁的平口改为套封结构不仅提高保险功能,而且使锁体结构简化,成本降低,制造工艺简单,开关门手续也较简单、方便。
图1为锁壳、锁口示意图;
图2为套封结构主视图。
以下结合附图对本实用新型作进一步描述,只需改进现用的弹子门锁的锁壳〔1〕和锁口〔2〕接触处,于锁口〔2〕上做成锁口凹槽〔4〕,锁壳〔1〕上做成锁壳凸台〔3〕,这样就将锁舌套封在锁壳和锁口之内。出外关门时用手一拉,在室内时用手一推,就将锁舌旋进去不要其它任何动作就完成了关门动作。用以紧固锁壳的螺钉〔6〕,藏匿在门板与门框接口处,关闭后不外露。因此无论室内室外,均无法拆锁。

Claims (1)

1、一种弹子门锁的防盗结构。其特征在于:在锁壳[1]和锁口[2]接触处具有由锁壳凸台[3]和锁口凹槽[4]契合形成的套封结构。
CN 87204212 1987-05-13 1987-05-13 一种弹子门锁的防盗结构 Withdrawn CN87204212U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 87204212 CN87204212U (zh) 1987-05-13 1987-05-13 一种弹子门锁的防盗结构

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 87204212 CN87204212U (zh) 1987-05-13 1987-05-13 一种弹子门锁的防盗结构

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CN87204212U true CN87204212U (zh) 1988-01-20

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CN 87204212 Withdrawn CN87204212U (zh) 1987-05-13 1987-05-13 一种弹子门锁的防盗结构

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CN (1) CN87204212U (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101187274B (zh) * 2007-12-07 2010-12-22 吕育新 防拆防盗电门锁

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101187274B (zh) * 2007-12-07 2010-12-22 吕育新 防拆防盗电门锁

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