CN2276972Y - 自锁式卷闸门锁 - Google Patents

自锁式卷闸门锁 Download PDF

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Publication number
CN2276972Y
CN2276972Y CN 95229636 CN95229636U CN2276972Y CN 2276972 Y CN2276972 Y CN 2276972Y CN 95229636 CN95229636 CN 95229636 CN 95229636 U CN95229636 U CN 95229636U CN 2276972 Y CN2276972 Y CN 2276972Y
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lock
self
coupling bar
bolt coupling
horizontal bolt
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CN 95229636
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陈伟彬
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Abstract

本实用新型涉及一种由锁壳1、锁头2、锁芯3和横栓联接杆7构成的自锁式卷闸门锁。通过在横栓联接杆7与锁壳1之间装上一组自锁弹簧8,锁芯3延长部位装入一只启开片4,在启开片4与横栓联接杆7之间装上一组保险片5和保险弹簧6,以此实现了卷闸锁的自锁功能,大大减少了用户的使用麻烦,又保证了卷闸锁具有较好的防盗性能。

Description

自锁式卷闸门锁
本实用新型涉及一种装在卷闸门上的门锁装置。
现有的卷闸门锁因不能自动上锁,卷闸门关闭时,要卷动钥匙才能上锁,比较麻烦。
本实用新型的目的是提供一种能自动上锁的卷闸门锁装置。
本实用新型的目的是这样实现的:在锁壳与横栓联接杆之间装上目锁弹簧,在锁芯延长部位装上一只启开片,启开片有对称的两对凸台,启开片与锁芯同步转动,启开片与横栓联接杆之间有一只保险片和保险弹簧,横栓联接杆的一侧有一与保险片顶端对应的阶状缺口。当卷闸门下拉关闭时,受拉伸的弹簧(拉簧)即释放弹性能量将横栓联接杆推出,实现自动上锁,同时保险片动作,抵住横栓联接杆阶状缺口。开启时,转动钥匙,即可通过启开片,脱开保险片,继而拉回横栓联接杆,自锁弹簧和保险弹簧处于被拉抻的状态,积蓄弹性能量。
本实用新型利用弹簧实现自动上锁,同时又有横栓联接杆防推保险机构。使用起来既方便,又有较好的防盗性能。
实用新型的具体结构由以下的实施例及附图给出。附图为卷闸锁的结构示意图,图中;1、锁壳;2、锁头;3、锁芯;4、启开片;5、保险片;6、保险弹簧;7、横栓联接杆;8、自锁弹簧。
该装置包括锁壳1、锁头2、锁芯3和横栓联接杆7;横栓联接杆7与锁壳1之间装有自锁弹簧8,在锁芯3延长部位装有启开片4,启开片4有对称的两对凸台,启开片4与横栓联接杆7之间有保险片5,保险片5绕一固定轴转动,固定轴上装有保险弹簧6。图中实线所示为装置处于锁的状态。
转动钥匙时,启开片4即通过凸台,脱开保险片5,继而拉回横栓联接杆7、同时使自锁弹簧8拉伸,积蓄弹性能量,卷闸门开启。卷闸门下拉关闭时,自锁弹簧8释放能量,将横栓联接杆7推出,同时保险片5一端上翘,顶住横栓联接杆7的阶状缺口,实现自动上锁并保险。

Claims (3)

1、一种自锁式卷闸门锁,该装置有锁壳(1)、锁头(2)、锁芯(3)和横栓联接杆(7),其特征是锁壳(1)与横栓联接杆(7)之间有自锁弹簧(8),锁芯(3)延长部位有启开片(4),启开片(4)与横栓联接杆(7)之间有保险片(5)、保险弹簧(6)。
2、如权利要求1所述的卷闸门锁,其特征是启开片(4)有对称的两对凸台,横栓联接杆(7)的一侧有一与保险片(5)顶端对应的阶状缺口
3、如权利要求1所述的卷闸门锁,其特征是自锁弹簧(8)装在锁壳(1)内,一端与锁壳(1)固定,一端与横栓联接杆(7)联接。
CN 95229636 1995-12-12 1995-12-12 自锁式卷闸门锁 Expired - Fee Related CN2276972Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 95229636 CN2276972Y (zh) 1995-12-12 1995-12-12 自锁式卷闸门锁

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 95229636 CN2276972Y (zh) 1995-12-12 1995-12-12 自锁式卷闸门锁

Publications (1)

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CN2276972Y true CN2276972Y (zh) 1998-03-25

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Family Applications (1)

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CN 95229636 Expired - Fee Related CN2276972Y (zh) 1995-12-12 1995-12-12 自锁式卷闸门锁

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CN (1) CN2276972Y (zh)

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