CN2147319Y - Linked lock theft-proof lock for bicycle - Google Patents

Abstract

The utility model discloses a linked lock theft-proof lock for bicycles, comprising a general locking pin and a special locking pin. A lock core and the lock pins are arranged in a movable lock body. The general locking pin controlled by a spring and a lock core stirring piece has general theft-proof function, and the special lock pin controlled by cipher is a chain movable lock which has interlocking function. The theft-proof lock can interlock objects and surrounding fixtures. The theft-proof lock has the advantages of firm structure and good theft-proof performance, and is suitable for bicycles and motorcycles.

Description

Linked lock theft-proof lock for bicycle

The utility model belongs to the theftproof lock class, the interlocking theftproof lock that especially a kind of bicycle, motorcycle are used.

At present, bicycle theft-prevention is at bicycle rear or front-wheel special-purpose lock to be installed mostly.Prevent picking lock robber car, the Lock special for bicycle firmness improves constantly, but still can not prevent reliably that bicycle is stolen.Its main cause is that general lock is only locked trailing wheel or front-wheel, the car stealer is landed with single-wheel very easily can move bicycle and will lock destruction, perhaps bicycle is shifted by other transport vehicle.

The purpose of this utility model is to disclose a kind of anti-theft lock for bicycle of band chain bar, and this lock can pin front-wheel, the trailing wheel of bicycle or motorcycle simultaneously, also bicycle or motorcycle and near fixture lock can be one.

Technical scheme: theftproof lock is by fixedly lock body and movable lock body are formed, in the movable lock body lock core and lock pin are arranged, lock pin is subjected to the control of spring and lock core plectrum, flexible about can be in movable lock body, it is characterized in that also having a lock pin in the movable lock body, this lock pin is subjected to the control of lock core plectrum and spring equally, controlled by the cipher ring of one group of band inside groove on the lock core, the pintle hook lock of this lock pin is an active card, this active card and one is fixed on lock body top reel chain and is fixedly connected, and constitutes the password chain lock one.

During use, this theftproof lock can be fixed on the trailing wheel or front-wheel of bicycle or motorcycle, when as common theftproof lock, only need with movable lock body and fixedly the lock body latch get final product, open this road lock, also only need to use the key rotation lock core plectrum, lock pin withdrawal activity lock body can be unblanked.When needs are interlocked when antitheft, except with movable lock body and fixedly the lock body latch, with the chain of the movable pintle hook lock of band with the front and back wheel of locked object or with locked object after on every side fixture links, movable pintle hook lock is inserted in the lockhole of lock body, under the effect of pin inner spring, in the lock pin embedding activity pintle hook lock.In the time of need opening interlocking activity pintle hook lock, at first must go to a certain ad-hoc location accurately by each cipher ring that lock core is outer, the inside groove of each cipher ring is aligned mutually, stir the lucky embedding cipher ring inside groove of vertical grade of bar that card makes the lock pin end clockwise with key, lock pin can move to left, and taking-up activity pintle hook lock is removed interlocking, dial card with key another mistake clockwise finger core then, first road lock is also opened.

This lock has compared with prior art increased the password interlock, anti-theft security coefficient height, and common lock is combined in one with interlocking, the convenient use.Below in conjunction with the embodiment accompanying drawing this application is described in further detail.

Fig. 1 is the full lock status architecture sectional view of interlocking theftproof lock.

Structure sectional view when Fig. 2 is the pinning of password chain.

Fig. 3 is the lock core structure sectional view.

As shown in the figure, fixedly lock body 10 is horseshoe configuration, the one end activity lock body 1 that is fixedly hinged, the other end has the lockhole of lock pin, chain box 13 is positioned at fixedly on the lock body, one end of chain 11 and fixedly lock body 10 fix, other end connection activity pintle hook lock 9, but movable lock body 1 contains the lock pin 12 of lock core 7 and two move left and right, 8, superposed lock pin 12 is common lock pins, is connected on the lock core by movable finger 2, be positioned at the left end of the lock pin 8 of bottom, connect a vertical password shelves bar 4, lock pin 8 is connected on the lock core by movable finger 5, this lock pin 8 can with movable pintle hook lock and fixedly lock body lock be one.Three password scale rings 6 that have inside groove are respectively arranged outside lock core, have only the inside groove when these three password scale rings to be positioned on the straight line, and the position of inside groove is just when the left end of password shelves bar 4, lock pin 8 just might move to left.Lock core plectrum 3 is positioned at the centre of two lock pins, stirs lock pin 12 in the time of derotation and moves to left, stir lock pin 8 in the time of conrotatory and move to left, when the position of code number not to the time lock of not opening, movable pintle hook lock can not separate with lock body.

Chain 11 on this theftproof lock is a kind of high-test chains, and the chain link steel wire diameter should be more than 4mm, and the chain ring interface firmly welds.Adopt the utility model effectively to prevent or reduce the car incident of losing.

Claims (2)

1, a kind of bicycle interlocking theftproof lock, contain fixedly lock body and movable lock body, in the movable lock body lock core and lock pin are arranged, lock pin is subjected to the control of spring and lock core plectrum, and is flexible about can be in movable lock body, it is characterized in that also having a lock pin in the movable lock body, this lock pin is subjected to the control of lock core plectrum and spring equally, controlled by one group of cipher ring on the lock core, the pintle hook lock of this lock pin is an active card, and this active card and is fixed on that reel chain is fixedly connected on the lock body.

2, theftproof lock as claimed in claim 1 is characterized in that being subjected to the left end of the lock pin of cipher ring control to be fixed with a password shelves bar, and lock core has the cipher rings of three band inside grooves outward, and the inside groove of this cipher ring can be adjusted to straight line, and password shelves bar can be entered in the groove.