CN2321905Y - Integral theft-proof lock for bicycle - Google Patents

Abstract

The utility model relates to an integral theft proof lock for a bicycle, which is mainly composed of a sloped tube, a lock core, a lock plate, an upper lock rod, a lower lock rod, a front fork tube, and a centre shaft, wherein, the sloped tube is provided with a lock hole, the front tube is provided with a front fork notch, the centre shaft is provided with a centre shaft groove, and one end of the upper lock rod and one end of the lower lock rod are respectively fixedly connected to the lock plate and are placed in the sloped tube with the lock plate together; the lock core is inserted into the sloped tube from the lock hole, a lock shifting rod in the lock core is sheathed in the lock plate and is extended out from a square hole of the lock plate and is fixedly connected with the lock core, and the lock core can not be slid out of the lock hole. When the lock core is rotated, the lock shifting rod drives the lock plate to rotate, the upper lock rod can be extended into the front fork notch, the lower lock rod is extended into the centre shaft groove, and a handlebar and the center shaft can not be rotated. The lock members of the utility model are all arranged in the sloped tube of a bicycle frame. The utility model has the advantages of simple and firm structure, beautiful appearance, concealed property, no picking point, no hammering point, and no sawing point; the theft proof function can be achieved. The utility model can be used for refitting an existing bicycle and can be produced by a bicycle factory, and the utility model has good popularization effect.

Description

The bicycle integrated anti-theft lock

It is mechanical that the utility model belongs to, particularly a kind of structure of bicycle lock.

For preventing that bicycle from losing, each bicycle all is equipped with a lock, and the lock of bicycle generally all is the back dress, and this class lock has certain effect to antitheft, but also has following shortcoming: the one, and easy sled, the 2nd, fastness is poor, and the 3rd, not stealthy, influence the attractive in appearance of car.

The purpose of this utility model is: a kind of bicycle integrated anti-theft lock is provided, and latch fitting all in vehicle frame, can pin handlebar, axis simultaneously, reaches dual fail-safe, stealth, antitheft purpose.

The technical solution of the utility model is:

On the inclined tube of cycle frame, have lockhole, open the front fork breach on the car front fork tube, open the axis groove on the axis, the one end difference fixed connection of upper and lower locking bar is on locking plate, and be positioned over together in the inclined tube of vehicle frame, lock core inserts in the inclined tube from lockhole, and the lock driving lever in the lock core is enclosed within the locking plate and from the locking plate square hole and passes the fixed connection lock core.

Provide accompanying drawing of the present utility model:

Fig. 1 is a surface structure schematic diagram of the present utility model

Fig. 2 is an inclined tube structure chart of the present utility model

Fig. 3 is lock core structure figure of the present utility model

Fig. 4 is a locking plate structure chart of the present utility model

Fig. 5 is a front fork tube structure chart of the present utility model

Fig. 6 is an axis structure chart of the present utility model

Among the figure: locking bar, 9 front fork tubes, 10 front fork breach, 11 axis, 12 axis grooves on 1 inclined tube, 2 lockholes, 3 lock cores, 4 lock driving levers, 5 locking plates, 7 times locking bars of 6 locking plate square holes, 8

Narrate embodiment of the present utility model below in conjunction with accompanying drawing:

The utility model mainly is made up of inclined tube 1, lock core 3, locking plate 5, last locking bar 8, following locking bar 7, front fork tube 9, axis 11.Open keyhole 2 on the vehicle frame inclined tube 1, lockhole 2 positions are selected in and the almost isometric place of last locking bar 8, open front fork breach 10 on the front fork tube 9, have the axis groove on the axis 11, an end of locking bar 8,7 is distinguished fixed connection on locking plate 5 up and down, and is positioned over together in the car inclined tube 1, lock core 3 is inserted in the inclined tube 1 from lockhole 2, lock driving lever 4 in the lock core 3 is linked in the locking plate 5 and from locking plate 5 upper collet square holes 6 and passes, and the fixed connection lock core 3 then, make it not skid off lockhole 2.Rotary locking cylinder 3, lock driving lever 4 drives locking plate 5 and rotates, and locking bar 8 is stretched in the front fork tube breach 10, and following locking bar 7 stretches in the axis groove 12, and at this moment handlebar, axis all can not rotate, and making the car stealer not have meter can make.

All in the vehicle frame inclined tube, simple in structure firm, stealth attractive in appearance does not have sled point, hammer point, saw point to the utility model latch fitting, can reach antitheft purpose, both can reequip existing bicycle, can supply Bicycle Plant to produce again, have excellent popularization to be worth.

Claims (1)

1. The bicycle integrated anti-theft lock, mainly form by inclined tube 1, lock core 3, locking plate 5, last locking bar 8, following locking bar 7, front fork tube 9, axis 11, it is characterized in that: open keyhole 2 on the inclined tube 1, open front fork breach 10 on the front fork tube 9, open axis groove 12 on the axis, an end of upper and lower locking bar 8,7 fixed connection respectively also is positioned in the inclined tube 1 on locking plate 5 together, and lock core 3 inserts in the inclined tubes 1 from lockhole 2, lock driving lever 4 in the lock core 3 is linked in the locking plate 5 and from locking plate square hole 6 and passes fixed connection lock core 3.