CN2189189Y - Two security picking-proof lock for bicycle - Google Patents

Abstract

The utility model belongs to a lock for a bicycle. The utility model is composed of a steel wire and iron beam lock which are arranged in a housing; a steel wire lock is arranged in a lower circular housing, a spring is arranged in a circular disc which is positioned in the center of the circular housing, and the end head of a steel wire rope outside is a lock clamping head; a lock body is arranged inside an upper housing, a lock piece which is fixed above a lock core is a trivalve shape which is respectively corresponding to two lock holes, wherein, the hole at the upper part is a lock hole for the steel wire, and the holes at the lower part are holes for the lock beam. A common lock body is used. When the lock is opening, the three holes can be opened simultaneously. The utility model has the advantages of simple structure, one lock with multiple purpose, good anti-prizing effect, and convenient installation and operation.

Description

Two security picking-proof lock for bicycle

The utility model belongs to a kind of bicycle lock.

The more present employed lock of vehicles, more advanced is iron beam lock than what use always generally, form by lock body and horizontal mortise lock beam two parts, this kind lock construction is reasonable, and is easy to use, and the pick-proof performance is good, but its weak point is this kind lock can only pin vehicle itself, lack vehicle and be connected with the locking of other fixture, often owing to do not have this kind lock make vehicle lifted to other place unblank stolen, so lock the safety that the lock of vehicle itself does not still guarantee vehicle merely.

For solving the deficiency with iron beam lock, the purpose of this utility model provides a kind of bicycle wire iron beam dual fail-safe pick-proof lock, and steel wire lock and iron beam lock are combined, and adopts a public lock body, has effectively solved the stolen problem of vehicle.

Structure design of the present utility model is achieved in that this pick-proof lock is that steel wire lock and iron beam lock two parts composition are housed in a housing, in the circular shell below is steel wire lock, its structure is that the center is a rotating circular disk, disc centre is the banded return spring that curls, the wire rope of disk outside for curling, one end is fixed on the disk, and the other end is fixed with the circular pintle hook lock head that has the breach that caves on every side; Public lock body is equipped with at the center in the top circular shell, lock core inwardly is equipped with at the lock body center, the lock core inner end is fixed with three leaf lobe locking plates, the locking plate inboard is fixed on the lock core by inserted sheet, three leaf lobes for having the lock bridge cover of half groove, are equipped with return spring in locking plate top one side corresponding to three lockholes of trisection around the lockhole, the top shell back side is fixed with the lock bridge socket of setting up corresponding with lock bridge, and the lock bridge collar is housed on the lock bridge.

During use, pull out, insert from the side in following two lockholes, transfer to the Steel wire rope lock dop of lock body side again, can elongate arbitrarily, walk around the lockhole above inserting behind certain fixture, realized steel wire, iron beam dual fail-safe locking from setting up lock bridge socket lock bridge.

Detailed structure of the present utility model is provided by following examples and accompanying drawing.

Fig. 1 is a bicycle wire iron beam dual fail-safe pick-proof lock structure principle chart;

Fig. 2 is bicycle wire iron beam dual fail-safe pick-proof lock cored structure figure;

Fig. 3 is a bicycle wire iron beam dual fail-safe pick-proof lock cross section cut-away view.

Its structure is known by Fig. 1,1 is the lock housing body, 2 is lock bridge, and 3 is lock body, and 4 is the steel wire lock wire rope, lock rope 4 ends are pintle hook lock head 5, lock rope 4 bottoms are fixed cover 6, and housing 1 bottom 7 is the wire rope rotating circular disk, and garden dish rotating shaft spring 8 is equipped with at the center, 9 is the lock bridge collar, pierces into locking to prevent that lock bridge from losing with wire rope.Know that from Fig. 2 10 is Steel wire rope lock dop jack, 11 is bolt Xiao, 12 is the lock core inserted sheet, and 13 is the washer of locking plate, reverse spacing usefulness, 14 is the locker plate, and 15 is front shroud, and 16 is central rotating shaft, 17 is pivoted housing, and 18 is holder, two up and down, know from Fig. 2,21 is locking plate, is three lobe shapes, the corresponding lockhole of each limb, 19 is return spring, the spring tension is lock-out state, and rightabout is a unlocking condition, and 20 two is iron beam socket, bottom 22 is Suo Xiao, fixed rotating shaft usefulness, 23,24 are the fixing clamping plate of lock, whole lock is two locks public lock cores that combine.

The advantage of the utility model: simple in structure, two locks combine, and lock function is complete, and pick-proof is effective, and is easy to install.

Claims (4)

1, a kind of bicycle wire iron beam dual fail-safe pick-proof lock, it is characterized in that this lock is that steel wire and iron beam lock two parts composition are housed in a housing 1, in the circular shell below is steel wire lock, its structure is that the center is a rotating circular disk 7, banded spring 8 is housed in it, disk 7 outsides are wire rope 4, and the end is a pintle hook lock head 5; Above garden dish housing in the center public lock body 3 is housed, three lockholes that distribute around the lock body 3, the top is the wire rope lockhole, below two lock lockhole for the iron beam.

2, by the described pick-proof lock of claim 1, it is characterized in that lock body 3 centers are equipped with lock core, the lock core inner end is fixed with three leaf lobe locking plates 21, the locking plate inboard is fixed on the lock core by inserted sheet 12, three leaf lobes are corresponding to three lockholes of trisection, for having the lock bridge cover 20 of half groove, locking plate top one side is equipped with return spring 19 around the lockhole.

3, by the described pick-proof lock of claim 1, it is characterized in that being equipped with the holder 18 of pin at the lock body back side, be fixed flat planar 23 and bolt 24 above, be fixed with the lock bridge socket of setting up corresponding with lock bridge on housing 1 top.

4, by the described pick-proof lock of claim 1, it is characterized in that on lock bridge, being equipped with the lock bridge collar 9.

Images