CN2221534Y - Theft-proof safety bicycle - Google Patents

Abstract

The utility model relates to a theft-proof safety bicycle. Lock holes are arranged on a vertical tube of a bicycle, on the vertical tube of a front fork and on the vertical tube of a handle bar; a lock body and a bolt which is controlled by a key and a lock core are arranged in the steel tube of a bicycle frame or between an upper tube and a lower tube where is opposite to the lock holes; the handle bar can be locked and can not rotate. A platform which is provided with a shaft fastening body is arranged on a wheel shaft roller in the face plate of a bicycle. The platform is also clamped the shaft roller under the bicycle frame. The bolt controlled by the key and the lock core and the corresponding lock holes can lock wheels and a shaft of a bicycle shaft. Only the lock hole of a whole lock is exposed out of the surface of the bicycle body structure. The destruction of the lock destroys the bicycle body structure firstly, so the bicycle loses use function.

Description

Thief-proof safety bicycle

The utility model relates to a kind of bicycle locking device, and particularly lockset is built-in, is difficult for the thief-proof safety bicycle of being stolen by the violence damage sled.

At present, public bicycle lock waits and adds bright lock and constitute by being installed in crab shape lock on the vehicle frame.Also use simultaneously chain lock, steel rope lock, steel bar lock etc.Above-mentioned lockset is installed on the vehicle frame, and by the rotation of limiting wheel, the locking bicycle reaches thief-proof purpose.Though chain lock, steel rope lock, steel bar lock etc. are not installed on the vehicle frame, equally also be that the rotation by limiting wheel comes the locking bicycle to reach thief-proof purpose.But, because the actuating unit of above-mentioned lockset and lockset is easily destroyed all in the open or half where there is light, the thief-proof effect of out of reach under a lot of situations.

The purpose of this utility model, provide a kind of have prevent preferably that destructive sled from stealing the safety type bicycle, it can not only play the effect of common lockset, and it is stolen to prevent that lockset in most cases from suffering that violence damages.Because lockset in the utility model and its locking actuating unit are built in bicycle body's structure, damage situation if violence occurs, lockset lost efficacy and had also damaged bicycle basic structure simultaneously, caused bicycle forfeiture functions of use, made the stealer also can not get operational bicycle.Military order auto theft person beats a retreat in the face of difficulties under a lot of situations, thereby reaches thief-proof purpose.

The purpose of this utility model is achieved in that the installation shaft anchor fitting at the axletree place of the forward and backward wheel of bicycle, is connected lockset and dead bolt between shaft fixing device and the wheel floral disc, and the corresponding locked position of dead bolt has lockhole etc.With non-removable enclosing cover it is closed, wheel is fixed on the axle during locking again, and axle is fixed on front fork or the vehicle frame chain stay, and bicycle promptly can not travel, and the only remaining keyhole (key hole) of whole locking device exposes outside and covers.On cycle frame, in the pipe lockset is arranged in the pipe or down, or go up between pipe, the following pipe and lean on the standpipe place to be fixed with shell, lockset is arranged in the shell, lockset is connected with dead bolt, on standpipe, vertical tube of front fork, the handle riser correspondence position lockhole is arranged, on last pipe or following pipe or the shell keyhole is arranged.Use lockset to change the position of dead bolt, standpipe, vertical tube of front fork, handle riser are fixed on same position, handlebar can not rotate bicycle and promptly can not travel, and promptly reaches the purpose of locking; Its release is freely rotated; If with the handlebar locking in vehicle frame-90 ° of positions, angle at 45, then bicycle is difficult to move even one step.Above-mentioned two kinds of locksets are owing in the built-in car body, only expose a keyhole, and desire is destroyed the body construction that lockset can only destroy the lockset outside earlier under no key situation, destroy body construction and then will make bicycle lose the function of riding, and make auto theft person not have gained.Then auto theft person will no longer steal the bicycle that is equipped with this kind lockset, reach the purpose that thief-proof pick-proof ensures safety.

Owing to adopt such scheme, can when not increasing bicycle weight, structure substantially, prevent the stolen, simple in structure, convenient, practical of bicycle effectively by sled.

Below in conjunction with drawings and Examples the utility model is advanced a cloth explanation.

Fig. 1 is the utility model scheme drawing

Fig. 2 is the car pipe lock sectional structural map of thief-proof safety bicycle.

Fig. 3 is the another kind of car pipe Lock structure figure of thief-proof safety bicycle.

Fig. 4 is the third car pipe Lock structure figure of thief-proof safety bicycle.

Fig. 5 is the axletree Lock structure scheme drawing of thief-proof safety bicycle.

Fig. 6 is the another kind of axletree Lock structure scheme drawing of thief-proof safety bicycle.

Among the figure: 1, floral disc shaft lock 2, keyhole 3, car pipe lock 4, key 5, last pipe 6, interior reinforcement pipe 7, lock body 8, lock core 9, pellet shot from a slingshot 10, spring 11, dead bolt 12, fixed mount 13, lock core gear 14, lockhole 15, standpipe 16, vertical tube of front fork 17, handle riser 18, heart screw mandrel 19, lockset shell 20, lock body underseal lid 21, direction pin 22, help out spring 23, check screw 24, under manage 25, lock core cam 26, little check screw 27, floral disc 28, rivet 29, threaded hole of steel 30, shaft platform 31 on the axle rod, axle fastener 32, key hole 33, effect wheel 34, sheet spring 35, make power post 36, circumference lockhole band 37, axle fastener 38, big nut 39, king bolt 40, bullet pad 41, packing ring 42, base plate fastening part 43, rivet hole 44, base plate 45, fastener 46, hole with lock axle fastener 47, hole with lock axle fastening block 48, positioning port 49, adapter plate 50, plate 51 behind the dead bolt, direction groove 52, handlebar

Fig. 1 is installation site of the present utility model schematic diagram. At the forward and backward wheel shaft of bicycle The position is equipped with floral disc shaft lock 1, exposes keyhole 2 on the shaft lock; At vertical pipe of bicycle frame 15 In the upper pipe 5 nearby, car pipe lock 3 is arranged, be inserted with key 4 on the car pipe keyhole 2. For easy to use, Also keyhole 2 positions can be moved to upper pipe 5 axis horizontal positions on.

The Che Guansuo that the utility model shows 3 kinds of structures is Fig. 2, Fig. 3, Fig. 4; Show 2 The vehicle axle lock of planting structure is Fig. 5, Fig. 6. By the lockset of these structures, can consist of separately thief-proof Bicycle, but also matched combined becomes the bicycle of multiple antitheft structure. For example use Fig. 2 car pipe Lock, simultaneously front and back wheel use Fig. 6 shaft lock. Theoretically, in convenient and possible situation The lockset number that uses is many, and anti-damage performance is more good, particularly must destroy earlier as destroying lockset Car body basic structure, then the Anti-pick performance is just more good.

Embodiment 1

In Fig. 2, pipe has reinforcement pipe 6 (also can without reinforcement pipe 6) in 5 on the cycle frame, lock body 7 is arranged in the reinforcement pipe 6, and the lock core 8 of middle part band gear 13 has tooth bar with gear 13 engaged section on anti-back and locking pellet shot from a slingshot 9, spring 10, dead bolt 11, dead bolt fixed mount 12, the dead bolt 11; Corresponding locked position has lockhole 14 on seat tube 15, vertical tube of front fork 16, the handle riser 17.

Do the time spent, use the key 4 that matches, turn lock core 8, dead bolt 11 is axially made parallel motion along last pipe 5; When needing the locking bicycle, rotate handlebar 52 and make vertical tube of front fork 16 and relative with dead bolt 11 with lockhole 14 on its handle riser of being close to 17, turn lock core 8, dead bolt 11 promptly enter lockhole 14, and handlebar 52 promptly is fixed on the position that can not travel, reaches the locking purpose.When unblanking, oppositely turn lock core 8, dead bolt 11 promptly withdraw from lockhole 14, and handlebar 52 can freely rotate.

In the same manner, the package unit of Fig. 2 also can install to and manage in 24 its function and use and identical in last pipe under the bicycle.

In actual configuration, for improving thief-proof usefulness, used 2 or multiaspect spring marble, and made the lock core edge built-in.

Embodiment 2

In Fig. 3, locking or the action principle of opening bicycle still for dead bolt being entered or withdrawing from lockhole 14, make it to limit the rotation of handlebar 52.Difference is, lock core 8 is fixed as one with dead bolt 11, on the lock core 8 and have along direction groove 51 travel direction pins 21, with the interior lockset shell that keeps above-mentioned locking mechanism airtight be welded on top tube 5, down manage 24 and standpipe 15 between.

During use, with key 4 turn lock cores 8, direction pin 21 turns to the direction fluted shaft to the place that moves along direction groove 51 on the lock core 8, is helping out spring 22 to reach holding under key 4 combineds action of outwards exerting oneself, the lock core 8 of tongue 11 with lock outwards withdraws from lockhole 14, and handlebar 52 can freely rotate.During locking, the lock core 8 of key 4 with tongue 11 with lock pushed, dead bolt 12 enters lockhole 14, rotary locking cylinder 8, and direction lock 21 blocks direction groove 51, while pellet shot from a slingshot 9 low waters, key 4 is extracted, and locking is promptly finished.

Embodiment 3

In Fig. 4, locking or the action principle of opening bicycle are still for to make dead bolt 11 enter or withdraw from the rotation that lockhole 14 makes it to limit handlebar 52.In the present embodiment, because keyhole 2 tops face pipe 5, make the destruction lockset more difficult.Among the figure, there are pellet shot from a slingshot 9, spring 10, lock core 8 lower ends cam 25 to be fixed together in the lock body 7 with little check screw 26.Promote dead bolts 11 with key 4 turn lock cores 8, cam 25 and overcome the elastic force that helps out spring 22 and enter lockhole 14 on vertical tube of front fork 16, the handle riser 17, with Lock of handlebar.Opening process is then opposite, with key 4 backward rotation, makes cam 25 promote dead bolt 11 and withdraws from lockhole 14.The effect that helps out spring 22 is to make to open to become easily, and guarantees handlebar to occur and rotate nearly 90 ° in the car motion, and unexpected locking phenomenon also appears in lockhole 14 anything but when facing toward dead bolt 11.

Embodiment 4

In Fig. 5, be a kind of hermetic type shaft lock.On forward and backward axletree axle rod, make shaft platform 30, axle fastener 31, axle fastening block 37 usefulness big nuts 38, king bolt 39 etc. are fixed on the shaft platform 30.Simultaneously lock body 7 is fixed on the fastener 31.Axle has dead bolt 11 in the fastener 31, locks on 11 relative floral disc 27 inside circumference to be fixed with lockhole band 36, and lockhole 14 gathers on the lockhole band 36; On the axle fastener 31 rivet hole 43 is arranged, enclosing cover 19 usefulness rivets 28 are fixed on the fastener 31.During use, key turn lock core 8 takes turns 33 with cam 25 driving action that lock core 8 is fixed as one, sheet spring 34 is backed down, and sheet spring 34 ends dead bolt 11 afterbodys of ining succession make dead bolt 11 outwards head on circumferential lockhole band 36, dead bolt 11 enters lockhole 14, and wheel lock can not be rotated.During unlatching, key counter-rotation lock core 8, cam 25 driving action 33 are left sheet spring 34, and dead bolt 11 withdraws from lockhole 14 with sheet spring 34 restoring forces (elastic force), the wheel release.

Embodiment 5

Fig. 6 also is a kind of hermetic type shaft lock, and action principle is roughly the same.It is hole with lock axle fastener 46 and hole with lock axle fastening block 47 that difference is on the shaft platform 30 fixing, and lock body 7, dead bolt 11, fixed mount 12 etc. then are fixed on the floral disc 27.With rivet 28 and fastener 45 enclosing cover 53 and floral disc 27 are solidified as a whole.Threaded hole of steel 29 is arranged on the enclosing cover 53.During wheel movement, whole lockset rotates with wheel.Use key 4 turn lock cores 8, the cam 25 driving action wheel 33 that lock core 8 bottoms are fixing, with plate behind the dead bolt 50 and dead bolt 11 (inwardly) promotion forward, dead bolt 11 enters lockhole 14, and axle, wheel locking are fixed as one; During unlatching, with key 4 backward rotation lock cores 8, cam 25 reverse drive effects wheel 33, with plate behind the dead bolt 50 and dead bolt 11 (outwards) promotion backward, dead bolt 11 withdraws from lockhole 14, and shaft lock is opened.No matter locking or unlatching promptly must be extracted after key 4 uses.

In the present embodiment, the mode of action that lock core 8 promotes dead bolt 11 also can adopt the rack-and-gear type of drive.Owing to be common method, just no longer describe in detail.

Claims (4)

1, a kind of thief-proof safety bicycle, in lockset, dead bolt is relative with lockhole, lock core control dead bolt motion in the lock body, it is characterized in that: on the standpipe of bicycle, vertical tube of front fork, handle riser, built-in lockhole is arranged, in the vehicle frame steel pipe or on pipe, down with the lockhole opposite position dead bolt is arranged between the pipe, dead bolt is by rotating in lock body or the lock core of axial motion is controlled; The platform that fixing axle fastener is arranged on the axletree rod, shaft platform also with the fastening of axle rod on front fork or vehicle frame chain stay, between the floral disc of axle fastener and wheel lock body, lock core, dead bolt and corresponding lockhole are arranged; Keyhole on the lockset is exposed on body construction or the sealing shell.

2, thief-proof safety bicycle according to claim 1 is characterized in that: it is the lock core of gear that the lock body in the car pipe is equipped with the middle part, and partly there is tooth bar the dead bolt second half section, and is meshed with gear.

3, thief-proof safety bicycle according to claim 1 is characterized in that: the lock body of lock core arranged between axletree rod and the floral disc, is fixed on the fastener, and relative with the lockhole of densely covered floral disc inboard by the dead bolt of lock core control by fixed mount.

4, according to the described thief-proof safety bicycle of claim 1, it is characterized in that: the lock body of lock core is arranged between axletree rod and the floral disc, is to be fixed in the floral disc, relative with the lockhole of close Fabric on the axle fastener by fixed mount by the dead bolt of lock core control.

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