CN2446229Y - Anti-picking bicycle lock - Google Patents

Abstract

The utility model relates to an anti-prizing lock for a bicycle, which comprises a lock casing, a lock rod, a lock core and a lock sleeve, wherein, a latching draw rod, the lock rod and the lock core are arranged in the lock casing; the latching draw rod is provided with a sliding slot and a clamping slot and the clamping slot can be connected with the clamping blocks of the lock rod; one end of the lock rod can be inserted into a lock rod hole of the lock sleeve. The lock casing of the anti-prizing lock of the utility model is tightly abutted with the lock sleeve and can not be prized or cut, and therefore, the anti-prizing lock has the advantages of high anti-prizing and anti-cutting performances.

Description

Antipicking bicycle lock

The utility model relates to lock, especially a kind of Antipicking bicycle lock.

China is bicycle big country in the world, and bicycle theft-prevention, pick-proof are more serious problems always, and antitheft, the pick-proof lock of each shape various kinds arise at the historic moment, and characteristics are different, and effect is uneven.

The purpose of this utility model just provides a kind of easy to use, the pick-proof ability is strong, security performance is high Antipicking bicycle lock.

The utility model purpose is realized by following technical scheme:

Antipicking bicycle lock comprises lock housing, lock core, locking bar, lock tube, lock housing is fixed on the rear bicycle frame, lock tube is enclosed within on the bicycle middle shaft of lock housing end, link to each other with the steel wire on the steel ring, be provided with locking pull bar, locking bar, lock core in the lock housing, the locking pull bar is fixed on the lock housing with the pilot pin activity by its chute, the block control locking pull bar motion of the shifting block of lock core by being provided with on the locking pull bar, locking bar links to each other with the locking pull bar by fixture block, and an end of locking bar can insert in the latch arm hole of lock tube.

Antipicking bicycle lock of the present utility model is owing to lock core, locking pull bar, locking bar are arranged in the lock housing, and lock tube abuts against with lock housing, makes locking bar to prize or to cut off, pick-proof, the anti-performance height of cutting.

Below in conjunction with accompanying drawing the utility model is elaborated.

Accompanying drawing is the utility model structural representation.

Antipicking bicycle lock comprises lock housing 1, lock core 9, locking bar 8, lock tube 11, and lock housing 1 is fixed on the rear bicycle frame, and lock tube 11 is enclosed within on the bicycle middle shaft of lock housing end, links to each other with steel wire on the steel ring, has central axis hole 13 and latch arm hole 12 on the lock tube 11.Be provided with locking pull bar 5, locking bar 8, lock core 9 in the lock housing 1, have chute 4 and draw-in groove 10 on the locking pull bar 5, locking pull bar 5 is fixed on the lock housing 1 by 3 activities of chute 4 usefulness pilot pins, extension spring 2 one ends are fixed on the pilot pin 3, the other end is fixed on the locking pull bar 5, also be provided with block 14 on the locking pull bar 5, the shifting block of lock core 9 is by the motion of block 14 control locking pull bars 5.Locking bar 8 is fixedly linked with fixture block 6, but also one-shot forming is an integral body, fixture block 6 can with draw-in groove 10 handing-over on the locking pull bar 5, spring 7 is enclosed within on the locking bar 8 between fixture block 6 and the lock housing 1, an end of locking bar 8 can insert in the latch arm hole 12 of lock tube 11.

The Antipicking bicycle lock operating principle:

Lock housing 1 is fixed on the rear bicycle frame, lock tube 11 is enclosed within on the bicycle middle shaft of lock housing end, rotate with axis, during the lock bicycle, only with hand is pressed an end of locking bar 8, and its other end inserts in the latch arm hole 12, and draw-in groove 10 handing-over of fixture block 6 and locking pull bar 5, locking bar 8 fixedly makes lock tube 11 to rotate, thereby pins bicycle; When unblanking, the rotation of lock core 9 drives block 14 and 5 motions of locking pull bar, and the draw-in groove 10 of locking pull bar 5 breaks away from fixture block 6, and locking bar 8 is pop into position under the effect of spring 7, and lock tube 11 is free to rotate.

Claims (4)

1, a kind of Antipicking bicycle lock comprises lock housing (1), locking bar (8), lock core (9), lock tube (11), lock housing (1) is fixed on the rear bicycle frame, it is characterized in that: lock tube (11) is enclosed within on the bicycle middle shaft of lock housing (1) end, link to each other with the steel wire on the steel ring, have central axis hole (13) and latch arm hole (12) on the lock tube (11), be provided with locking pull bar (5) in the lock housing (1), locking bar (8), lock core (9), have chute (4) and draw-in groove (10) on the locking pull bar (5), locking pull bar (5) is fixed on the lock housing (1) with pilot pin (3) activity by chute (4), also be provided with block (14) on the locking pull bar (5), the shifting block of lock core (9) is by the motion of block (14) control locking pull bar (5), locking bar (8) is fixedly linked with fixture block (6), fixture block (6) can join with the draw-in groove (10) on the locking pull bar (5), and an end of locking bar (8) can insert in the latch arm hole (12) of lock tube (11).

2, Antipicking bicycle lock according to claim 1 is characterized in that: an end of extension spring (2) is fixed on the pilot pin (3), and the other end is fixed on the locking pull bar (5).

3, Antipicking bicycle lock according to claim 1 is characterized in that: spring (7) is enclosed within on the locking bar (8) between fixture block (6) and the lock housing (1).

4, Antipicking bicycle lock according to claim 1 is characterized in that: locking bar (8) is an integral body with fixture block (6).

Images