CN2206820Y - 双扇门门锁 - Google Patents

双扇门门锁 Download PDF

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Publication number
CN2206820Y
CN2206820Y CN 95202288 CN95202288U CN2206820Y CN 2206820 Y CN2206820 Y CN 2206820Y CN 95202288 CN95202288 CN 95202288 CN 95202288 U CN95202288 U CN 95202288U CN 2206820 Y CN2206820 Y CN 2206820Y
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lock
door
keeper
tooth bar
lock housing
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CN 95202288
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舒俊鹏
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Individual
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Abstract

本实用新型涉及一种专用于双扇门的门锁。该 门锁有两个锁壳,它们分别装在两个门扇上。其中一 个锁壳内装有齿条门栓和齿轮;另一锁壳内装有弹子 锁及复位弹簧。当门栓插入另一个锁壳后,弹子锁的 锁舌可插入门栓上的凹槽中,从而将门栓卡住。由于 门栓与弹子锁和复位弹簧分置于两个锁壳中,所以可 使整个门锁的长度尺寸减小。

Description

本实用新型涉一种门锁,特别是一种用于双扇门的门锁。
现有的双扇门门锁基本上仍采用传统的门栓式结构。近几年已相继设计出一些带有弹子锁和门栓相结合的双扇门门锁,但困结构复杂或使用不太方便等原因而未能推广使用。中国专利CN2126287公开了一种半自动双扇门门锁,它主要由齿条门栓、齿轮和弹子锁组成,其中弹子锁的锁舌可插入门栓的凹槽内,门栓的移动是由齿轮来驱动的。该门锁的门栓后端作用着一个拉力弹簧,用于将门栓拉回复位。众所周知,对于双扇门而言门栓插入另一门扇的长度越长,则锁门后的坚固性越好。上述的半自动双扇门门锁的各零部件均安装在一个壳体内,而且其门栓的回缩全靠其后端的拉力弹簧,所以要使门栓有足够的插入长度,且能顺利回位,弹就应该有足够大的拉力和长度。这不仅导致整个门锁的长度尺寸增大,而且在锁门时需克服较大的弹簧力。
本实用新型的目的是提供一种体积较小,操作方便、锁闭安全可靠的双扇门门锁。
实现本实用新型目的解决方案是:所提供的双扇门门锁包括一个安装在锁壳内的齿条门栓、与齿条门栓啮合的齿轮、装在齿轮轴上的手轮和弹子锁,该弹子锁的锁舌可插入齿条门栓的定位凹槽内。本实用新型的特别之处在于所说的锁壳有两个,它们分装在两扇门上,前述的齿条门栓和齿轮装在第一个锁壳中,前述的弹子锁装在第二个锁壳中,在第二个锁壳内设有一个与齿条门栓端头相对的压力弹簧。锁门时,转动手轮,通过齿轮带动齿条门栓移动,当门栓插入位于另一扇门的第二锁壳内,弹子锁锁舌卡住门栓凹槽后,再将门拴锁死即可。开门时,将弹子锁锁舌缩回,门栓在压力弹簧的作用下回缩退出第二锁壳,即可将门打开。
本实用新型由于将弹子锁和复位弹簧分置于第二个锁壳内,即只有在锁门状态,该弹簧才与门栓接触。而开门时该弹簧所施的力只需将门栓移动略大于门栓凹槽的宽度,使门栓凹槽离开弹子锁锁舌即可。所以,该弹簧的长度和所施加的力无需太大,不但可使整个锁体的体积缩小,而且操作也比较方便。
下面结合附图对本实用新型的内容加以说明。
图1是本实用新型一个实施例的立体图。
图2是图1的部分后视图。
如图1所示:锁壳1、2分别装在两扇门的内侧面,两锁壳的端部均有一个垂直于锁壳底面的安装板3、4,这样可增强锁壳安装的牢固性。在锁壳1内装有齿条门栓5和齿轮6。齿轮6和轴7穿过门扇,并在其端部装有手轮8。转动手轮8可带动齿轮旋转,从而使齿条门栓5移动。锁壳2内装有弹子锁9,其锁舌10伸出锁壳2的上部空腔。在锁壳2上部空腔的右端装有压力弹簧11,该弹簧的一端固定在锁壳堵头12上,另一自由端连有T形顶板13,当齿条门栓5插入锁壳2的上部空腔,锁舌10又插入门栓5上凹槽14中时,即可将门栓5定位、锁住,其状态如图2所示。本实例的手轮8是设置在门扇外侧,为美观起见,还可在弹子锁的钥匙入口处再设置一个装饰性手轮15。
上述的齿条门栓5上还可设置一个手柄16,该手柄16位于锁壳1的滑槽17中,这样可直接通过手柄16来移动门栓5,省去在门扇内侧再装手轮。

Claims (3)

1、一种双扇门门锁,包括一个安装在锁壳内的齿条门栓(5)、与齿条门栓啮合的齿轮(6)、装在齿轮轴上的手轮(8)和弹子锁(9),该弹子锁的锁舌(10)可插入齿条门栓(5)的定位凹槽(14)内,其特征是所说的锁壳有两个,它们分别装在两扇门上,前述的齿条门栓(5)和齿轮(6)装在第一个锁壳(1)中,前述的弹子锁(9)装在第二个锁壳(2)中,在第二个锁壳(2)内设有一个与齿条门栓(5)端头相对的压力弹簧(11)。
2、如权利要求1所述的门锁,其特征是齿条门栓(5)上设有一个手柄(16),该手柄位于锁壳(1)的滑槽(17)中。
3、如权利要求1或2所述的门锁,其特征是两锁壳(1、2)端部均有一个垂直于锁壳底面的安装板(3、4)。
CN 95202288 1995-01-26 1995-01-26 双扇门门锁 Expired - Fee Related CN2206820Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 95202288 CN2206820Y (zh) 1995-01-26 1995-01-26 双扇门门锁

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Application Number Priority Date Filing Date Title
CN 95202288 CN2206820Y (zh) 1995-01-26 1995-01-26 双扇门门锁

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CN2206820Y true CN2206820Y (zh) 1995-09-06

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CN 95202288 Expired - Fee Related CN2206820Y (zh) 1995-01-26 1995-01-26 双扇门门锁

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI611089B (zh) * 2017-05-09 2018-01-11 台灣福興工業股份有限公司 裝設於雙扇門的鎖具構造
US10808438B2 (en) 2016-04-15 2020-10-20 Larson Manufacturing Company Of South Dakota, Inc. Door assembly for selectively interlocking opposing doors
US11905740B2 (en) 2019-10-01 2024-02-20 Larson Manufacturing Company Of South Dakota, Inc. Deadbolt assembly for simultaneously securing co-mounted doors together and actuating at least one deadbolt

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10808438B2 (en) 2016-04-15 2020-10-20 Larson Manufacturing Company Of South Dakota, Inc. Door assembly for selectively interlocking opposing doors
US11542733B2 (en) 2016-04-15 2023-01-03 Larson Manufacturing Company Of South Dakota, Llc Door assembly for selectively interlocking opposing doors
US11952814B2 (en) 2016-04-15 2024-04-09 Larson Manufacturing Company Of South Dakota, Llc Door assembly for selectively interlocking opposing doors
TWI611089B (zh) * 2017-05-09 2018-01-11 台灣福興工業股份有限公司 裝設於雙扇門的鎖具構造
US10233669B2 (en) 2017-05-09 2019-03-19 Taiwan Fu Hsing Industrial Co., Ltd. Double-door lock assembly
US11905740B2 (en) 2019-10-01 2024-02-20 Larson Manufacturing Company Of South Dakota, Inc. Deadbolt assembly for simultaneously securing co-mounted doors together and actuating at least one deadbolt

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