CN2150288Y - Frame-shape anti-pry lock for bicycle - Google Patents

Abstract

The utility model relates to the improvement for the existing bicycle lock. The utility model is composed of a lock body, a lock core, a framework, a lock bolt, a lock body seat and a bolt sleeve. The utility model is characterized in that the lock body seat, a core shaft and the bolt sleeve are fixed with the framework, the lock bolt is connected with the lock core, the lock core is arranged in the lock head, the lock head is arranged in the lock body, and the lock body is sheathed on the core shaft and is arranged in the lock body seat; a torsion spring is arranged between the lock bolt and the lock core, and a torsion spring is arranged between the lock body and the lock body seat; a V-shaped groove is arranged on the high edge of the lock body seat, a transversal groove is arranged on the lock bolt, and the V-shaped groove and the transversal groove form a self-locking device. The utility model has the advantages of simple structure, convenient use, no gap on the whole body of the lock, and good anti-prizing performance.

Description

Frame-shape anti-pry lock for bicycle

The utility model belongs to a kind of Antipicking bicycle lock, is the improvement to existing Antipicking bicycle lock.

In the prior art, most of bicycle locks adopt riveted or bonding thin shell structures, and leave a slit at the movable place of spanner and surreptitiously stayed convenience for sled; Occur a kind of anti-theft bicycle lock on the recent market, adopt " U " type structure, form with the plate punching out, this lock stock utilization is low, and complex structure uses inconvenience, particularly tapered end is fixed with lateral pin in lock body, has limited the quantity in pellet shot from a slingshot hole, has influenced the confidentiality of lock.

The purpose of this utility model is to provide a kind of bicycle lock of novelty, and this lock is not only simple in structure, and is easy to use, and materials are economized, the secrecy height, and have good pick-proof performance.

Design of the present utility model is achieved through the following technical solutions, a kind of by lock body, lock core, framework, the frame shape Bicycle Anti-Picklock that lock bolt is formed, it is characterized in that also comprising lock body seat and door bolt cover, one end of lock bolt is fixedlyed connected with lock core, being provided with one between lock bolt and lock core can make lock bolt return the little torsion spring of an angle, lock core places in the tapered end, tapered end places in the lock body, one end of lock body seat and framework is fixed with mandrel and rivet, lock body sheath is on mandrel and place in the lock body seat, the one big torsion spring that lock body is rotated when lock is opened automatically is being set between lock body and the lock body seat, on the flash of lock body seat, open a V-type groove, have a translot on the lock bolt, door bolt cover is fixedlyed connected with the other end of framework, and a card post that can block the lock bolt activity is set in door bolt overlaps.

The utility model is simple in structure, and is easy to use, and particularly lock body seat periphery has on V-type groove, the lock bolt and has translot, and making to be locked in does not have the slit on the whole, therefore has good pick-proof performance.

The utility model is described in further detail below in conjunction with drawings and Examples

Fig. 1 is the utility model structural representation

Fig. 2 is the utility model tapered end, lock body and the figure that combines of framework

Fig. 3 is the utility model lock core and the figure that combines of lock bolt

Fig. 4 is the utility model mandrel, lock body seat and the figure that combines of framework

As figure, 1 lock body, 2 frameworks, 3 limits folders, 4 door bolt covers, 5 card posts, 6 lock bolts, 7 translot 8V shape grooves 9,10 11 keys, 12 lock body seats, 13 big torsion spring 14 tapered ends 15 lock cores 16 round pins 17 little torsion spring 18 mandrels 19 rivets 20 pads silently of having strong market potential

Little torsion spring 17, lock bolt 6 is enclosed within on the lock core 15, use round pin 16 that lock core 15 is fixedlyed connected with lock bolt 6 again, lock core 15 is inserted in the tapered end 14, with plug the tapered end conjunction is fixed in the lock body 1, framework 2 is a solid round steel, be bent into " U " shape, two ends flatten, lock body seat 12, pad 20 is by mandrel 18, rivet 19 is fixed with an end of framework 2, in lock body seat 12, put big torsion spring 13, lock body 1 is enclosed within on the mandrel 18 again, inserts 9 backs of having strong market potential with silently 10 sealing, an end of lock bolt 6 has a translot 7, on the flash of lock body seat 12, have a V-shaped groove 8 on the flash of lock body seat 12, door bolt cover 4 is fixed by the other end of two oval rivets and framework 2, and the two long rivets that overlap in 4 at door bolt promptly form the card post 5 that can block lock bolt 6.

During use, insert lock core 15 with key 11 and clockwise rotate, lock bolt 6 ejects in door bolt cover 4 under the effect of big torsion spring 13, lock bolt 6 returns an angle under the effect of little torsion spring 17 simultaneously, slip in the V-type groove 8 of lock body seat 12 flash, be in self-locking state, lock is unlocked.During locking, key 11 is clockwise rotated, and pull key 11 or lock bolt 6 in mandrel 18 is rocked to door bolt cover 4, lock bolt 6 returns an angle under the effect of little torsion spring 17, and lock bolt 6 is blocked by door bolt cover 4 and card post 5, extracts key 11 and has promptly realized locking.This lock is fixed in framework 2 usefulness screws on upright fork of bicycle or the front fork with limit folder 3.

Claims (2)

1, a kind of by lock body, lock core, framework, the frame-type Bicycle Anti-Picklock that lock bolt is formed, it is characterized in that also comprising lock body seat and door bolt cover, one end of lock bolt is fixedlyed connected with lock core, being provided with one between lock bolt and lock core can make lock bolt return the little torsion spring of an angle, lock core places in the tapered end, tapered end places in the lock body, one end of lock body seat and framework is fixed with mandrel and rivet, lock body sheath is on mandrel and place in the lock body seat, the one big torsion spring that lock body is rotated when lock is opened automatically is being set between lock body and the lock body seat, on the flash of lock body seat, have a V-type groove, have a translot on the lock bolt.

2, frame shape Bicycle Anti-Picklock according to claim 1 is characterized in that fastening with a bolt or latch cover and fixedlys connected with the other end of framework, and a card post that can block the lock bolt activity is set in door bolt overlaps.

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