CN202081723U - T型螺旋钥匙防盗锁 - Google Patents

T型螺旋钥匙防盗锁 Download PDF

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CN202081723U
CN202081723U CN2011200072887U CN201120007288U CN202081723U CN 202081723 U CN202081723 U CN 202081723U CN 2011200072887 U CN2011200072887 U CN 2011200072887U CN 201120007288 U CN201120007288 U CN 201120007288U CN 202081723 U CN202081723 U CN 202081723U
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王国良
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Abstract

本实用新型涉及锁领域，尤其是螺旋锁芯和T型螺旋钥匙；螺旋锁芯的钥匙槽和T型螺旋钥匙呈螺旋状结构，其螺旋结构可阻挡开锁工具插入锁芯，防止技术性开启防盗锁，而T型螺旋钥匙可旋转插入锁芯，开启锁具。提高了防盗锁的防盗性能。而且螺旋状结构螺距调整范围大，钥匙与锁芯配合精度高，稍有误差，钥匙将无法插入锁芯，从而大大降低防盗锁的互开率。

Description

T型螺旋钥匙防盗锁
一、技术领域
本实用新型涉及锁领域，尤其是T型螺旋钥匙及螺旋锁芯。 
二、背景技术
现有弹子锁，锁芯上的钥匙槽和钥匙均为直的，通过钥匙孔可看见并拨动内部弹子，开锁工具很容易打开，而且存在一把钥匙开多把锁的互开率高现象，使得防盗锁无法防盗。而本实用新型T型螺旋钥匙防盗锁，锁芯上的钥匙槽呈螺旋状，从钥匙孔无法看见内部弹子，能有效阻挡工具拨动弹子，从而防止技术开锁。且螺旋结构钥匙与锁芯配合精度高，稍有误差钥匙将无法插入锁芯，能大大降低互开率，因此，本实用新型已成为人们改善防盗锁防盗性能的需要。 
三、发明内容
本实用新型是针对现有弹子锁的技术缺点，使钥匙旋转插入锁芯圆周表面的钥匙槽里，它的结构能有效避免开锁工具开启。 
本实用新型所采用的技术方案是：螺旋锁芯是采用将钥匙孔开在锁芯主体轴向截面偏侧，T型螺旋钥匙槽开在锁芯主体圆周表面，弹子沿着T型螺旋钥匙槽排列。 
本实用新型所述的T型螺旋钥匙是：手柄和T型螺旋钥匙体连接在一起、弹子坑排列在T型螺旋钥匙体的T型筋上。 
本实用新型区别于现有技术的特征是：所述的T型螺旋钥匙体和螺旋锁芯的T型钥匙槽呈螺旋状结构，弹子沿着钥匙槽排列，螺旋结构可阻挡开锁工具插入锁芯，且螺旋结构的螺距调整范围宽，相同直径的锁芯可制成多种螺距的钥匙槽，其配合开启的钥匙型号也相应增多，较现有弹子锁增加了密匙量，降低了互开率。 
四、附图说明
图1是本实用新型中螺旋钥匙结构示意图。 
图1中(1)是手柄，(2)是T型筋，(3)是弹子坑，(7)是T型螺旋钥匙体。 
图2是本实用新型螺旋锁芯结构示意图。 
图2中(4)是钥匙孔，(5)是锁芯主体，(6)是T型螺旋钥匙槽。 
五、具体实施方案
本实用新型的开启钥匙是将T型材料卷制成螺旋状的T型螺旋钥匙体(7)，弹子坑(3)开在T型螺旋钥匙体(7)的T型筋(2)上，T型螺旋钥匙体(7)同手柄(1)焊接在一起。 
本实用新型锁芯的钥匙孔(4)开在锁芯主体(5)轴向截面的偏侧，T型螺旋状钥匙槽(6)开在锁芯主体(5)圆周表面，弹子沿着T型螺旋钥匙槽(6)排列。 
在开锁时将钥匙对准钥匙孔旋转插入即可开启。 

Claims (3)

1.一种T型螺旋钥匙防盗锁，包括T型螺旋钥匙和螺旋锁芯，其特征是，钥匙和锁芯上的钥匙槽都呈螺旋状。
2.根据权利要求1所述的T型螺旋钥匙防盗锁的特征是：防盗锁的螺旋锁芯，在锁芯主体(5)轴向截面偏侧开钥匙孔(4)，锁芯主体(5)圆周表面开有T型螺旋钥匙槽(6)。
3.根据权利要求1所述的T型螺旋钥匙防盗锁的特征是：防盗锁的T型螺旋钥匙，由手柄(1)同T型螺旋钥匙体(7)连接在一起，T型螺旋钥匙体(7)的T型筋(2)上有弹子坑(3)排列。 
CN2011200072887U 2011-01-12 2011-01-12 T型螺旋钥匙防盗锁 Expired - Fee Related CN202081723U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103075050A (zh) * 2013-02-05 2013-05-01 徐平 螺旋式防盗锁

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103075050A (zh) * 2013-02-05 2013-05-01 徐平 螺旋式防盗锁
CN103075050B (zh) * 2013-02-05 2015-04-01 徐平 螺旋式防盗锁

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