CN2381724Y - 防钻撬锁具 - Google Patents

防钻撬锁具 Download PDF

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Publication number
CN2381724Y
CN2381724Y CN 99243842 CN99243842U CN2381724Y CN 2381724 Y CN2381724 Y CN 2381724Y CN 99243842 CN99243842 CN 99243842 CN 99243842 U CN99243842 U CN 99243842U CN 2381724 Y CN2381724 Y CN 2381724Y
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hoops
jumping
damaging
guard shield
tapered end
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CN 99243842
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贾君鑫
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Abstract

一种防钻撬锁具,具有一锁头护罩,在锁头护罩上部的圆孔内装有一防钻圈,在护罩壳体内安有钻防片。防钻圈底部有一圈凸台,该凸台夹在护罩壳体与钻防片之间。护罩及钻防片起到防砸撬作用,且使锁头不外露,防钻圈是不固定的旋转体,使难以用钻孔破坏锁体,保证了锁具的安全可靠,适用于安装在防盗门上。

Description

防钻撬锁具
本实用新型涉及一种锁具。
目前的公知锁具,由于其锁头外露,因此安全性差,易被钻撬。
本实用新型的目的在于:提供一种防钻撬锁具,使其锁头隐藏在内不外露,而且使其结构简单,安装方便,能够防钻、防撬。
本实用新型的目的是这样实现的:一种防撬锁具,具有一锁头护罩,该锁头护照置于锁眼的外圈,在锁头护罩内装有圆环形防钻圈,防钻圈置于锁头护罩上部的圆孔内,其顶端面为圆弧形,在锁头护罩壳体内安有钻防片。防钻圈的底部有一圈凸台,凸台的一边支撑在锁头护罩壳体内壁的凸台上;防钻圈底部凸台的另一边与钻防片接触,防钻圈的顶端面穿过钻防片。
由于采用上述技术方案,在锁眼的外圈装有锁头护罩,使锁头不外露,锁头护罩及装在护罩壳体内的钻防片还起到保护锁体的作用,使一般的砸撬均难以破坏锁体。在锁头护罩内装有防钻圈能起到防钻的作用,由于防钻圈依靠其底部凸台夹在锁头护罩壳体与钻防片之间,其本身不固定是旋转的,而且其顶端面外露,用手电钻钻孔时,被钻的防钻圈不固定,难以找到钻孔的支点,再加上防钻圈的顶端面为弧形,又老在转动,使之无法用钻孔来破坏锁体达到防钻的效果。本实用新型结构简单、安装方便,防钻撬,增加了保险性和可靠性。
下面结合附图和实施例对本实用新型进一步说明
图1为本实用新型防钻撬锁具的锁头护罩主视图
图2为图1的剖视图
图中,1.壳体  2.钻防片  3.防钻圈  4.装饰圈
图1和图2所示的锁头护罩为长方形罩体,四角为圆弧形。在锁头护罩上部的圆孔内装有一防钻圈3,防钻圈3为一圆环形,其顶端面为圆弧形。在护罩壳体内镶嵌有一圈钻防片2,防钻圈3的底部有一圈凸台,该凸台夹在护罩壳体1内壁的凸台与钻防片2之间。在锁头护罩的外端面装有装饰圈4,防钻圈3的顶端面穿过钻防片2和装饰圈4而外露。
本实用新型防钻撬锁具适用于防盗门上。

Claims (3)

1.一种防钻撬锁具,其特征在于:具有一锁头护罩,该锁头护罩置于锁眼的外圈,在锁头护罩内装有一防钻圈(3),防钻圈(3)置于锁头护罩上部的圆孔内,在锁头护罩壳体内安有钻防片(2);防钻圈(3)的底部有一圈凸台,凸台的一边支撑在锁头护罩壳体(1)内壁的凸台上,防钻圈(3)底部凸台的另一边与钻防片(2)接触,防钻圈的顶端面穿过钻防片(2)。
2.根据权利要求1所述的防钻撬锁具,其特征在于:防钻圈(3)为一圆形,其顶端面为圆环弧形。
3.根据权利要求1所述的防钻撬锁具,其特征在于:在锁头护罩的外端面装有装饰圈(4),防钻圈(3)的顶端面穿过装饰圈(4)。
CN 99243842 1999-08-27 1999-08-27 防钻撬锁具 Expired - Fee Related CN2381724Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 99243842 CN2381724Y (zh) 1999-08-27 1999-08-27 防钻撬锁具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 99243842 CN2381724Y (zh) 1999-08-27 1999-08-27 防钻撬锁具

Publications (1)

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CN2381724Y true CN2381724Y (zh) 2000-06-07

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CN 99243842 Expired - Fee Related CN2381724Y (zh) 1999-08-27 1999-08-27 防钻撬锁具

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005033449A1 (fr) * 2003-10-08 2005-04-14 Caidong Qin Structure de serrure
WO2005068755A1 (fr) * 2004-01-07 2005-07-28 Caidong Qin Structure de corps de dispositif de verrouillage empechant la torsion d'un barillet de serrure, procede d'installation correspondant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005033449A1 (fr) * 2003-10-08 2005-04-14 Caidong Qin Structure de serrure
WO2005068755A1 (fr) * 2004-01-07 2005-07-28 Caidong Qin Structure de corps de dispositif de verrouillage empechant la torsion d'un barillet de serrure, procede d'installation correspondant

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