CN2121514U

CN2121514U - Safety theft-proof lock

Info

Publication number: CN2121514U
Application number: CN 91231371
Authority: CN
Inventors: 张金侠
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-11-07
Filing date: 1991-11-07
Publication date: 1992-11-11

Abstract

The utility model relates to a safety theft-proof lock which comprises a theft-proof lock for bicycles and a theft-proof padlock with original conception. The lock core of the novel lock is provided with two rows of cylinders and two rows of key holes, and two rows of keys are used. When the utility model is locked, a lock stem is fixed by two lock pins controlled by the lock core directly to cause poking lock pins out of the lock core by an object to open the lock impossible to improve the safety performance of the existing locks for bicycles and padlocks.

Description

Safety theft-proof lock

The utility model relates to the improvement of the structure of lock.

The structure of Regular Bicycle lock is at ring lock a breach to be arranged quickly, after the locking, uses a sheet metal that is connected with lock core to block breach, during unlatching, uses key rotation lock core, and lock core drives sheet metal and departs from breach, and lock is homing under the extension spring effect quickly.General padlock also is to use a pin that is connected with lock core to block a ring lock breach of end quickly during locking, when unblanking, use key rotation lock core, drives pin and leaves breach, and lock quickly resets under spring action.Thereby these locks all are to promote pellet shot from a slingshot in row's keyhole by key lock core to be rotated unblank in lock body, and particularly bicycle lock often open the lock shell easily and stirs card and unblank, and causes stolen.

The purpose of this utility model be design a kind of be not to rely on Metallic card on the lock core or pin to block lock quickly and stronger bicycle lock and the padlock of the security personnel of locking effect.

The structure of this safe antitheft lock comprise lock housing, lock core, lock quickly, handgrip, key, lock pin, its lock core be a two ends cylinder jaggy, in two row pellet shot from a slingshot and two keyholes are arranged, use double key, lock core two ends breach contacts with two lock pin tops that are positioned at the lock housing two ends respectively; Between two lock pin tops and lock housing the compression spring is arranged; Ring lock has handgrip quickly, and a lock quickly end has extension spring, and there are two holes that two lock pins are inserted at the middle part, and lock housing is two-layer up and down, and the bottom is in shape, and upper lock quickly shell is circular.The structure of safe antitheft padlock comprise lock housing, lock core, lock quickly, key, lock pin, its lock core is that cross section is the column of non-circular curve, in have two row pellets shot from a slingshot and two row keyholes, use double key, two lock pin tops of lock housing both sides contact with lock core, between lock pin top and lock housing stage clip are arranged, and lock is quickly for directly bar-shaped, separate with lock housing, lock has two holes that lock pin is inserted quickly.

This safe antitheft lock is owing to adopt two lock pin pin of being controlled by lock core quickly, and do not have in the past in order to pin Metallic card quickly, thereby just make under keyless situation with foreign matter stir lock pin open lock quickly become impossible, and, its fail-safe is greatly improved owing to adopt double key to open.The safe antitheft padlock by locking in the past after in vertical state ring lock when quickly changing locking into lock quickly horizontal, make like this from vertical direction destroy padlock break open a lock quickly more difficult, simultaneously also because the double key of employing, so its security performance also is much improved.

Description of drawings.

Fig. 1 is a safe antitheft lock schematic diagram, and wherein (1) is lock housing; (2) for locking quickly; (3) be lock pin; (4) be stage clip; (5) be lock core; (6) be lock core keyhole; (7) be pellet shot from a slingshot; (8) be key; (9) be handgrip; (10) be rivet.

Fig. 2 is Figure 1A-A sectional drawing.

Fig. 3 is a safe antitheft padlock schematic diagram, and wherein (1) is lock housing; (2) for locking quickly; (3) be lock pin; (4) be stage clip; (5) be lock core; (6) be lock core keyhole; (7) be pellet shot from a slingshot.

Fig. 4 is Fig. 3 A-A sectional drawing.

The utility model is described in further detail below in conjunction with accompanying drawing.As shown in Figure 1 and Figure 2, the lock core of this safe antitheft lock has two row's pellets shot from a slingshot and two row's keyholes, during unlatching, uses double key.When lock was in opening, key inserted in the lock core, and at this moment, because lock core marble sticks in the key groove, key can not pull out.During locking, push away under the handgrip earlier, make lock quickly closed in the form of a ring, simultaneously double key is rotated counterclockwise 90 °, like this, the lock core breach is pressed down two lock pins, insert it in lock two circular holes quickly always, extract key, at this moment, the outer pellet shot from a slingshot of lock core inserts in the lock core marble hole, and lock core is fixed, and lock is in blocking.When unblanking, insert double key, with lock core marble jack-up, pellet shot from a slingshot is concordant with lock core arc face, and pellet shot from a slingshot breaks away from lock core, and lock pin moves under the effect of top stage clip, and lock core is pushed up go back to the origin-location.At this moment, because lock pin leaves and locks circular hole quickly, lock is homing under one end extension spring effect quickly, and lock is opened.The lock housing of this lock is made up of the square lock housing of bottom and the circular lock housing on top, is forging forming, and is made up of two press forgings fastenings.The lock core of safe antitheft padlock also is two row's pellets shot from a slingshot, and two row's keyholes adopt two row's keys, and lock housing is square, is two lock pins in the lock housing of two ends, and the stretching, extension of lock pin is controlled by lock core.Its lock quickly is the porose straight rods in two ends, during locking, will lock quickly and insert from lock housing one end, uses double key rotation lock core again, and the cross section is that the lock core of peach shape can head into two lock pins in pin two holes quickly, extracts key, realizes locking.When unblanking, with double key jack-up lock core marble, lock pin resets under the stage clip effect, will lock quickly and take off, and realizes unblanking.Like this, because lock quickly is a level, the artificial destruction lock is quickly unblanked difficult more like this.The lock housing of this padlock is square, is fastened by two press forgings to form.

Claims

1, a kind of by lock housing, lock core, lock quickly, the anti-theft lock for bicycle that constitutes of handgrip, key, it is characterized in that lock core has two row's pellet shot from a slingshot and two keyholes, double key, lock core are two ends cylinders jaggy; Respectively there is a bar-shaped lock pin lock housing both sides, and the lock pin top contacts with the lock core breach, between lock pin top and the lock housing stage clip is arranged; Ring lock has two holes that lock pin is inserted quickly.

2, a kind of by lock housing, lock core, lock quickly, the safety hanging locking that constitutes of key, it is characterized in that lock core has two row's pellet shot from a slingshot and two keyholes, double key, lock core are that cross section is the column of non-circular curve; Respectively there is a lock pin lock housing both sides, and the lock pin top contacts with lock core, between lock pin top and the lock housing stage clip are arranged; Lock separates with lock housing quickly for directly bar-shaped, and lock has two holes that lock pin is inserted quickly.

3, anti-theft vehicle lock as claimed in claim 1 is characterized in that described lock housing is made up of the square lock housing of bottom and the circular lock housing on top, is forging forming, and is fastened by two press forgings and to form.

4, theft proof padlock as claimed in claim 2 is characterized in that described lock housing is square, is fastened by two press forgings and forms.