CN2361788Y - Number-inserting multi-functional anti-theft lock for bicycle - Google Patents

Abstract

The utility model discloses a number-inserting multi-functional anti-theft lock for a bicycle. The utility model comprises a lock frame (1), a lock body (2), a lockpin (3), and a key (4), wherein, the lock body and the lockpin are arranged on the lock frame; the lock body comprises a lock core (5), a lockpin hole (6), and a bolt (7) which is arranged near the lockpin hole and is connected with the lock core; a key slot (8) is arranged on the lock body; the lock core is arranged on the wall of the key slot; key teeth (10) which are matched with a ball system (9) of the lock core are arranged on the key; one part of identification marks (11) is respectively arranged on the edge of the key slot and the surface of the key. When the key is inserted into the key slot, two parts of marks are engaged to form a complete mark. The lock is arranged on the bicycle. After the bicycle is stolen, whether the bicycle is used by a criminal or is sold to other people, the stolen bicycle can be identified clear at a glance, and the criminal has no opportunity.

Description

Number-inserting multifunction bicycle theftproof lock

The utility model relates to a kind of number-inserting multifunction bicycle theftproof lock, is applicable to the bicycle of various models and shape.

China is bikedom, and bicycle is the most general vehicles of broad masses of the people, and at present, modal bicycle lock has two kinds on the market, and a kind of is that lock pin is fixed on the lock body ringwise; Another kind of lock pin is free on outside the lock body, and is cylindrical.Though public security department has strengthened management to bicycle, bicycle car theft case still takes place repeatedly, reason is no matter above-mentioned two kinds of bicycle locks are any, after being pried open with illegal means by the offender, no matter the offender is that oneself uses, or be sold to other people use, does not have any stolen next mark on the bicycle lock, also make more people remove to buy the booty of " cheapness ", this has just more increased offender's arrogance.

The purpose of this utility model provides a kind of number-inserting multifunction bicycle theftproof lock, and this lock is installed on the bicycle, after bicycle is stolen, and anyone use, can both pick out bicycle at a glance is stolen bicycle, and the offender is had no exploits.

The purpose of this utility model realizes by following mode.

Number-inserting multifunction bicycle theftproof lock comprises lock frame, lock body, lock pin, key, lock body and lock pin are arranged on the lock frame, lock body comprises lock core, lockpin hole and is arranged near the dead bolt that links to each other with lock core of lockpin hole, lock body is provided with key, lock core is arranged on the wall of key, be provided with the key tooth that matches with the lock core marble system on the key, the part that is respectively equipped with identification marking along last and surface key of key, when in the key inserting slot, two parts mark matches, and constitutes a complete mark.

When unblanking, key is inserted in the key, the key crest is lived lock core marble, and system matches with pellet shot from a slingshot, and lock core rotates, the drive dead bolt moves, lock pin withdraws from from lockpin hole, and bicycle lock is opened, at this moment, key matches along last mark and mark on the key, constitutes a complete mark.During the lock lock, lock pin is aimed at lockpin hole push, dead bolt drives lock core and resets, and the key tooth leaves lock core marble, and key can be extracted from key, will lock locked.At this moment, key is along last mark, and is no longer complete.

After adopting such structure and since on the key with key along last, all designed the part of mark, after bicycle is stolen, two-part mark is no longer identical, gives feature that is apparent that stolen bicycle of people, and can pick out this bicycle at a glance is stolen bicycle.Because of key collection mark and key tooth are one,, the offender is had no exploits so inconvenience is forged.

Below, the utility model is described in further detail in conjunction with the accompanying drawings.

Accompanying drawing 1 is the schematic appearance of the number-inserting multifunction bicycle theftproof lock that provides according to the utility model.

Accompanying drawing 2 is lock body sectional views of the number-inserting multifunction bicycle theftproof lock that provides according to the utility model.

Accompanying drawing 3 is according to unblank connection diagram between push-piece and the lock core of the number-inserting multifunction bicycle theftproof lock that the utility model provides.

Accompanying drawing 4 is the number-inserting multifunction bicycle theftproof lock dead bolt that provides according to the utility model and the connection diagram between the connecting rod.

As shown in drawings, number-inserting multifunction bicycle theftproof lock, comprise lock frame 1, lock body 2, lock pin 3 and key 4, lock body and lock pin are arranged on the lock frame, lock body comprises lock core 5, lockpin hole 6 and is arranged near the dead bolt that links to each other with lock core 7 of lockpin hole, lock body is provided with key 8, lock core is arranged on the wall of key, be provided with the key tooth 10 that matches with lock core marble system 9 on the key, the part that is respectively equipped with identification marking 11 along last and surface key of key, when in the key inserting slot, two parts mark matches, and constitutes a complete mark.

Also be provided with a push-piece 12 of unblanking that has a back-moving spring on the lock body, push-piece matches with the briquetting 13 of lock core one end, and the other end of lock core is provided with a plectrum 14, and plectrum is connected with dead bolt by connecting rod 15, be provided with a top flat 16 that has a spring in the lockpin hole, dead bolt is provided with spring 17.

Under the situation that is locked in pinning, open lock, at first key 4 is inserted lock body 2 along key 8, the pellet shot from a slingshot system 9 of key tooth 10 and lock core 5 matches, and lock core 5 can rotate, at this moment, press the push-piece 12 of unblanking, make the push-piece of unblanking withstand the briquetting 13 of pin core one end, briquetting 13 is rotated, simultaneously, the plectrum 14 of the lock core other end also rotates thereupon, and lifts connecting rod 15, and the dead bolt 7 that links to each other with connecting rod 15 just withdraws from from lockpin hole 6, when dead bolt 7 falls back on lockpin hole 6 circumscribed positions, lock pin top flat 16 is upspring, and simultaneously lock pin 3 is ejected lockpin hole 6, at this moment locks opened.After lock was opened, lock pin top flat 16 withstood connecting rod 15, made it and can not reset, and simultaneously, lock core 5 can not turn round, and key tooth 10 withstands in pellet shot from a slingshot system 9, and key 4 can not be withdrawed from.On the surface of key 4 with key 8 along a last part that respectively is provided with mark, at this moment, two parts mark matches, and constitutes a complete mark.

If lock is pinned, with changeing 90 degree on the lock pin 3 lock pin 3 aligning lockpin holes 6 are pushed, lock pin top flat 16 is also pushed back thereupon, when dead bolt 7 is relative with the position of connecting rod 15, spring 17 compresses dead bolt, lock pin 3 is moved back to come out, and simultaneously, dead bolt connecting rod 15 drives plectrum 14, lock core 5 is resetted, lock core marble system 9 breaks away from key tooth 9, and key 4 is transferred to, will be locked.At this moment, because key is extracted, key 8 forms damaged along last no longer identical with key 4 lip-deep marks.

Number-inserting multifunction bicycle theftproof lock, except lock car and anti-theft feature, key is a box structure, can put some indispensable with oneself little article, especially during the broiling summer, it is particularly important that this design more seems.

Claims (3)

1. number-inserting multifunction bicycle theftproof lock, comprise lock frame (1), lock body (2), lock pin (3) and key (4), lock body and lock pin are arranged on the lock frame, lock body comprises lock core (5), near the dead bolt that links to each other with lock core (7) that lockpin hole (6) is with being arranged on lockpin hole, it is characterized in that: lock body is provided with key (8), lock core is arranged on the wall of key, be provided with the key tooth (10) that matches with lock core marble system (9) on the key, the part that is respectively equipped with identification marking (11) along last and surface key of key, when in the key inserting slot, two parts mark matches, and constitutes a complete mark.

2. by the described number-inserting multifunction bicycle of claim 1 theftproof lock, it is characterized in that: lock body is provided with a push-piece of unblanking (12) that has a back-moving spring, push-piece matches with the briquetting (13) of lock core one end, the other end of lock core is provided with a plectrum (14), plectrum is connected with dead bolt by connecting rod (15), be provided with a top flat (16) that has a spring in the lockpin hole, dead bolt is provided with spring (17).

3. by the described number-inserting multifunction bicycle of claim 1 theftproof lock, it is characterized in that: key is a box structure.

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