CN2068124U

CN2068124U - Anti-drilling spring lock

Info

Publication number: CN2068124U
Application number: CN 90213470
Authority: CN
Inventors: 王仁行
Original assignee: SHENYANG METAL ROLL-UP CABINET FACTORY
Current assignee: SHENYANG METAL ROLL-UP CABINET FACTORY
Priority date: 1990-06-19
Filing date: 1990-06-19
Publication date: 1990-12-26

Abstract

The utility model discloses an anti-drilling spring lock which is suitable for various safety doors, iron file cabinets, and safety treasuries. The utility model comprises a lock body, and a lock core. The utility model is characterized in that the front of the lock body is additionally provided with an anti-drilling casing with a lock-opening hole so that the lock body and the lock core can not be revealed. When the utility model is used, the anti-drilling casing is fixedly arranged on the recess point of the door body and the anti-drilling casing is parallel with surface of the door body, and therefore, the safety of the spring lock is improved. The utility model has the advantages of safer door body, good anti-picking performance, reasonable design, and firm structure.

Description

Anti-drilling spring lock

The utility model relates to a kind of novel lockset.

At present, for the molecule burglary that avoids theft, begin to gradually adopt safety door in the ordinarily resident family.Certain development is arranged really and have practical value with regard to safety door itself, but the lockset itself on the door does not have much variations, the lock body and the lock core part of the two tongue insurance of single tongue of various trades mark cylinder lock nearly all are identical.This lockset is along with the raising of the degree of safety of door has demonstrated a deadly defect: promptly lock core exposes, and lock core is generally manufactured by materials such as copper, iron, aluminium, is easy to stolen molecule and bores bad lock core and destroy lockset and open safety door.In addition, be arranged on the insurance cylinder lock on metallic coil cabinet, insurance pool and the desk, also all have the problems referred to above.

The purpose of this utility model is to provide a kind of anti-drilling cylinder lock at the problem of above-mentioned existence.

The purpose of this utility model is achieved in that it includes lock body, lock core, it is characterized in that before lock body, setting up the anti-drilling shell of one band unlocking port, have the groove of a location catch in the inboard of anti-drilling shell unlocking port, on catch, have the bar hole that key is just inserted.During use, key is inserted in the keyhole on the lock core by bar hole, drive the lock core rotation by key, at this moment, catch also rotates thereupon, thereby cylinder lock is opened.

The utility model is owing to set up anti-drilling shell together before lock body, lock body and lock core are not exposed, and anti-drilling shell fixedly is assemblied in a body depression place and equal with the door surface, and therefore improved the degree of safety of insurance cylinder lock widely, make that safety door insures more, pick-proof.This reasonable in design, firm, and be easy to realize.

Below in conjunction with accompanying drawing the utility model embodiment is further described.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the vertical view of Fig. 1.

With reference to Fig. 1-2, present embodiment is done to specify:

1 is the cylinder lock lock body among the figure, before lock body 1, add one employing and roll bed and the anti-drilling shell 2 of lock body sealing for the circular unlocking port of band of one, inboard in anti-drilling shell 2 circular unlocking port has a circular groove, add a circular anti-drilling catch 3 that can in groove, rotate on the circular groove, on the anti-drilling catch 3 of circle, having a bar hole 4 that can align keyhole and key is inserted.When unblanking, key is inserted lock core keyhole by bar hole 4, by screw key lock core and rounded tabs 3 are together rotated, and cylinder lock is opened.

Claims

1, a kind of anti-drilling cylinder lock, it includes lock body, lock core, it is characterized in that before lock body, setting up the anti-drilling shell of one band unlocking port, have the groove of a location catch in the inboard of anti-drilling shell unlocking port, on catch, have the bar hole that key is just inserted.