CN2123574U - 无斜面锁闩门锁 - Google Patents

无斜面锁闩门锁 Download PDF

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Publication number
CN2123574U
CN2123574U CN 91228821 CN91228821U CN2123574U CN 2123574 U CN2123574 U CN 2123574U CN 91228821 CN91228821 CN 91228821 CN 91228821 U CN91228821 U CN 91228821U CN 2123574 U CN2123574 U CN 2123574U
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lock
door
slope
locking bolt
utility
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CN 91228821
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张伟彬
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Individual
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Priority to CN 91228821 priority Critical patent/CN2123574U/zh
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Abstract

目前使用的房门暗锁都存在一个共同的问题:有 一斜面锁闩,在门外从门缝用薄片插拨锁闩斜面能使 锁打开。为解决此问题本实用新型采用无斜面锁闩, 锁扣盒斜面(4)与端面延长线(5)的夹角小于90°。 锁扣盒斜面代替了锁闩斜面的功能,却又克服了它的 缺点。与双锁闩保险锁比较具有结构简单、成本低, 操作简便的优点,也有同样的保险功能。

Description

一种用于往宿房门的无斜面锁闩门锁属于暗锁技术领域。
现有的房门锁都有一斜面锁闩。人进出房门后能方便地把门一推(或拉)使门锁上。但问题是,往往在门外从门缝用薄片插拨锁闩斜面,能使锁打开。为解决这问题于是就出现了双锁闩保险锁。锁的结构更复杂了,生产成本更高,使用时必须用锁匙旋转,使第二个锁闩伸进锁扣盒,操作更繁。
本实用新型的目的是提供一种结构简单、操作简便、安全可靠,不能在门外用薄片从门缝插拨锁闩开锁的新型门锁。
本实用新型的技术方案是对现在单锁闩门锁的两个零件进行改进,即锁闩无斜面及锁扣盒侧面改为斜面[4],与端面延长线[5]的夹角小于90°。锁扣盒斜面[4]可以是平面或弧面。此斜面[4]替代了原锁闩斜面的功能。锁的其它零件结构与流行的保险锁一样。
附图1为无斜面锁闩门锁的结构示意图。序号[1]为锁扣盒,[2]为锁体,[3]为无斜面锁闩。锁扣盒内有安装加强板。锁体内有吊头板、弹簧、挚手、锁销。与流行的保险锁一样,锁上后可防止在里面用螺丝起子把锁卸下。
本实用新型的工作原理是这样。关、锁门时,把门推(或拉)一下,锁闩[3]就在锁扣盒[1]斜面[4]上滑动,到位后在锁体内弹簧的作用下,使锁闩足够地延伸进锁扣盒内。由于锁闩无斜面,在门外不能用薄片插拨锁闩开锁。从而达到了结构简单、成本低、操作简便、安全可靠的发明效果。

Claims (2)

1、一种无斜面锁闩门锁由锁体、锁门、锁盒组成,共特征是:锁闩[3]无斜面、锁扣盒斜面[4]与端面延长线[5]的夹角小于90°。
2、根据权利要求1所述的门锁,其特征是锁扣盒斜面[4]为平面或弧面。
CN 91228821 1991-11-18 1991-11-18 无斜面锁闩门锁 Granted CN2123574U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 91228821 CN2123574U (zh) 1991-11-18 1991-11-18 无斜面锁闩门锁

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 91228821 CN2123574U (zh) 1991-11-18 1991-11-18 无斜面锁闩门锁

Publications (1)

Publication Number Publication Date
CN2123574U true CN2123574U (zh) 1992-12-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 91228821 Granted CN2123574U (zh) 1991-11-18 1991-11-18 无斜面锁闩门锁

Country Status (1)

Country Link
CN (1) CN2123574U (zh)

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