CN2211491Y - 保险门扣 - Google Patents

保险门扣 Download PDF

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Publication number
CN2211491Y
CN2211491Y CN 94237383 CN94237383U CN2211491Y CN 2211491 Y CN2211491 Y CN 2211491Y CN 94237383 CN94237383 CN 94237383 CN 94237383 U CN94237383 U CN 94237383U CN 2211491 Y CN2211491 Y CN 2211491Y
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China
Prior art keywords
utility
model
locking ball
door
safety door
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Expired - Fee Related
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CN 94237383
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English (en)
Inventor
毛俭琪
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Individual
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Individual
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Priority to CN 94237383 priority Critical patent/CN2211491Y/zh
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Publication of CN2211491Y publication Critical patent/CN2211491Y/zh
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Expired - Fee Related legal-status Critical Current

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Abstract

本实用新型包括座体1,固定座2,在座体1上通 过销轴3铰接有活动扣4,在固定座2上设有锁定球 5,在活动扣4上开有一条一段宽度大于锁定球5和 一段宽度小于锁定球5的长槽。本实用新型强度高, 可防止外人的强行闯入,安装简单,操作方便,外形美 观。

Description

本实用新型涉及一种门扣。
现有的许多家庭在门上装有猫眼或链条拴,当门外有人敲门时,先通过猫眼或利用链条拴打开一条小缝看看来人是否熟悉再开门,以防止坏人的闯入,但猫眼视野大小,使人难以看清楚,而链条拴强度大差,容易让坏人弄断再强行闯入。
本实用新型的目的在于提供一种高强度,并且使用十分方便的门扣。
本实用新型强度高,可防止外人的强行闯入,安装简单,操作方便,外形美观。
下面结合附图对其结构作进一步的描述
图1    为本实用新型的主视图
图2    为本实用新型的俯视图
本实用新型包括座体1,固定座2,在座体1上通过销轴3铰接有活动扣4,在固定座2上设有锁定球5,在活动扣4上开有一条一段宽度大于锁定球5和一段宽度小于锁定球5的长槽。
在使用本实用新型时,将座体1和固定座2分别装在门和门框上,当有人敲门时,先将锁定球5卡在窄槽内再开门,此时门只开一条小缝,可将来人询问清楚,再将门合上,将锁定球卡在宽槽内,转动活动扣4,使活动扣4脱开固定座2,即可将门打开。

Claims (1)

  1. 一种门扣,其特征在于包括座体1,固定座2,在座体1上通过销轴3铰接有活动扣4,在固定座2上设有锁定球5,在活动扣4上开有一条一段宽度大于锁定球5和一段宽度小于锁定球5的长槽。
CN 94237383 1994-05-19 1994-05-19 保险门扣 Expired - Fee Related CN2211491Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 94237383 CN2211491Y (zh) 1994-05-19 1994-05-19 保险门扣

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 94237383 CN2211491Y (zh) 1994-05-19 1994-05-19 保险门扣

Publications (1)

Publication Number Publication Date
CN2211491Y true CN2211491Y (zh) 1995-11-01

Family

ID=33845093

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 94237383 Expired - Fee Related CN2211491Y (zh) 1994-05-19 1994-05-19 保险门扣

Country Status (1)

Country Link
CN (1) CN2211491Y (zh)

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee