CN2286131Y - Lock and bicycle integral anti-theft lock for bicycle - Google Patents

Abstract

The utility model relates to an anti-theft lock with integration of a lock and a bicycle for bicycles; a lock body is installed in a tripod of a bicycle. The utility model is characterized in that the lock body is mainly composed of a lock body (2), a lock core (1), a shifting fork (17) of a lock core, a lock tongue (5) and a handle device; the handle device is linked with the lock tongue; the shifting fork of a lock core is embedded in the lock tongue. The utility model has the advantages of novel structure, less possibility for damage, less possibility of detachability and improvement of anti-theft function and after a tap is rotated, the lock tongue can not be clamped to make that the lock can not be opened or a key is rotated to be broken.

Description

The anti-theft lock for bicycle of lock car one

The utility model relates to theft-proof device for bicycle, specifically locks the anti-theft lock for bicycle of car one.

The various bicycle of selling on city's field boundary is not all considered theft-proof function in design at present.Because bicycle itself do not have anti-theft feature, the lock that installs that the user is passive, anti-theft column lock one class device are destroyed by the people easily and lose car, and the problem of this respect is more and more and become the social concern that everybody pays close attention to.

China's utility model patent discloses that a kind of patent No. is 92218065.2, name is called the utility model patent of " frame lock integrated anti-theft bicycle ", is characterized in lock body is loaded on the bicycle tripod, and itself and bicycle tripod are connected as a single entity.Its advantage is after bicycle is locked, and front fork and handlebar can not rotate, and bicycle can not be carried out, and more can not ride, thereby reach theft-proof purpose.But because its lock body that adopts and lock installation site thereof, make the easily destroyed or dismounting of lock body, and if tap rotates back folder deadlock tongue, cause not opening or bicycle can't be used when twisting into two parts key.

The purpose of this utility model provides a kind of above-mentioned deficiency that can overcome, and antitheft, anti-ly unloads, the anti-theft lock for bicycle of anti-jamming lock car one.

The purpose of this utility model is achieved in that lock body is loaded in the bicycle tripod, it is characterized in that lock body mainly is made of lock body, lock core, lock core shift fork, dead bolt and handwheel devices, handle apparatus and dead bolt interlock, and the lock core shift fork embeds dead bolt.Wherein, handwheel devices is made of handwheel, handwheel crank shaft, handwheel crank, handwheel storehouse, safety guard and bolt, handwheel connects with an end of crank shaft, the other end of crank shaft connects with crank, crank links with dead bolt again, safety guard places the outside of bolt, and bent axle, crank, safety guard place in the handwheel storehouse.When lock is opened, stir shift fork and leave dead bolt, handle-bar is opened or pinned to turning handle linkage dead bolt again.

Below in conjunction with accompanying drawing the utility model is described in further detail, but is not limited to shown in the accompanying drawing.

Fig. 1 is (man's bicycle) of the present utility model structural representation

Fig. 2 is an A-A partial cutaway structural representation of the present utility model

Fig. 3 is a woman's bicycle structural representation of the present utility model

Among the figure, 1-lock core, 2-lock body, 3-lock core single or double acting door, the 4-tap, 5-dead bolt, 6-tap straight tube, 7-front fork straight tube, the 8-handwheel, pearl is bumped in 9-stop, the 10-bolt, 11-crank, 12-safety guard, 14-spider front end, 15-handwheel storehouse, 16-crank shaft, 17-lock core shift fork, 18-woman's bicycle lock, 19-lockhole position.

As shown in Figure 1, lock body of the present utility model is loaded in the bicycle tripod, its concrete structure is made of lock body 2, lock core 1, lock core shift fork 17, cylinder shape lock tongue 5 and handwheel devices, and handwheel devices is made of handwheel 8, handwheel crank shaft 16, handwheel crank 11, handwheel storehouse 15, safety guard 12 and bolt 10, handwheel connects with an end of crank shaft, the other end of crank shaft connects with crank 11, crank links with dead bolt 5 again, bolt 10 is used for fixing the handwheel storehouse, safety guard places the outside of bolt 10, bent axle, crank, safety guard place in the handwheel storehouse, as shown in Figure 2.The interlock of handle apparatus and dead bolt, the lock core shift fork embeds dead bolt, has a stop to bump pearl 9 on the dead bolt 5, is used to make dead bolt spacing under non-action situation.During installation, the lock body of packing into earlier reinstalls the dead bolt storehouse, and safety guard after appliance 10 is fixed, is put in the handwheel storehouse of then packing into.Before this, answer rotating lock tongue putting in order to the handwheel storehouse.

When stopping, tap 4 left sides or right-hand rotation 20-60 ℃ rotate handwheel 8 again, promote dead bolt 5 by handwheel crank 11 and pin leading straight tube 6 and front fork straight tube 7, use key rotation lock core 1 then, make lock core shift fork 17 rotate finger lock dead bolt 5, simultaneously pin the safety guard 12 in handwheel storehouse again, at this moment, can't promote bicycle walking.

The utility model has the following advantages compared with prior art: 1, owing to lock body, lock The work oral area of core is very approaching with tap upper end or tripod lower oblique tube, and angle is little, on the tap End or inclined tube form barrier, and be survivable; 2, the crank of dead bolt is promoted by handwheel, and moment Greatly, tap is rotated after folder deadlock tongue, cause not opening or the contradiction of twisting into two parts key is readily solved; 3, the installation in lock, handwheel storehouse is hidden in inside, and after locking, dismantle is very little, and is antitheft Function improves greatly.

Claims (3)

1, a kind of anti-theft lock for bicycle of locking the car one, lock body is loaded in the bicycle tripod, it is characterized in that lock body mainly is made of lock body (2), lock core (1), lock core shift fork (17), dead bolt (5) and handwheel devices, handle apparatus and dead bolt interlock, the lock core shift fork embeds dead bolt.

2, anti-theft lock for bicycle according to claim 1, it is characterized in that handwheel devices is made of handwheel (8), handwheel crank shaft (16), handwheel crank (11), handwheel storehouse (15), safety guard (12) and bolt (10), handwheel connects with an end of crank shaft, the other end of crank shaft connects with crank (11), crank links with dead bolt (5) again, safety guard places the outside of bolt (10), and bent axle, crank, safety guard place in the handwheel storehouse.

3, anti-theft lock for bicycle according to claim 1 and 2 is characterized in that having on dead bolt (5) stop to bump pearl (9).

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