CN2351352Y

CN2351352Y - Antitheft bicycle

Info

Publication number: CN2351352Y
Application number: CN 98232255
Authority: CN
Inventors: 李恒
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-12-25
Filing date: 1998-12-25
Publication date: 1999-12-01
Anticipated expiration: 2008-12-25

Abstract

The utility model discloses an antitheft bicycle, which mainly solves the problems that the existing bicycle body is separated from a bicycle lock and is easy to be stolen. A lock body which is combined into a whole with a bicycle frame is designed on a front fork or a rear fork of the bicycle frame; a lock tongue which is used for limiting a shaft sleeve of the wheel center to rotate is arranged in the lock body; one end of the shaft sleeve of the wheel center is just extended to the lower part of the lock tongue in the lock body, and the structure of the outer periphery part of the end corresponds to the shape of the lower part of the lock tongue to form a lock catch which is matched with the lock tongue; when a bicycle lock is damaged, a bicycle frame, the shaft sleeve of the wheel center, etc. are also damaged; the bicycle can not run, and therefore, the utility model can effectively prevent the bicycle from being stolen.

Description

A kind of anti-theft bicycle

The utility model relates to bicycle, refers to a kind of anti-theft bicycle that lockset and vehicle primary member are integrated particularly.

At present, still be the China of the main walking-replacing tool of numerous its people at bicycle, the height of the frequency that bicycle is stolen has become current one big public hazards, and does not still have good anti-theft measure so far.Its major cause is that existing bicycle body separates with lock, and both combine by simple installation, and the car stealer is easy to wiring clip the lock ring or the lock fork of lock be cut off, and removes the restriction of lock to vehicle.Destroyed lock, just can easily intact bicycle have been stolen.

Even the purpose of this utility model will provide a kind of anti-theft bicycle that lock also can't be stolen car that destroyed.

For achieving the above object, the anti-theft bicycle that the utility model is designed comprises vehicle frame, is installed in the axletree on frame-front fork and the back vent, and is installed on the axletree wheel center axle sleeve that rotates with respect to vehicle frame and axletree.At least locate to design the lock body that becomes one with vehicle frame at one of the front fork of above-mentioned vehicle frame and back vent, be provided with the dead bolt that the limiting wheel central axle sleeve rotates in the lock body; One of above-mentioned wheel center axle sleeve corrects the dead bolt below that extends in the lock body, and the structure of this end excircle part is corresponding with the dead bolt lower shape, constitutes the snap close that matches with dead bolt.Because any vehicle all travels in wheel and vehicle frame move mutually, if locked the position of vehicle frame and wheel relative motion, has also just locked vehicle.The utility model utilizes above-mentioned dead bolt to pin the wheel center axle sleeve just, makes wheel and the vehicle frame can not relative motion and lock vehicle.

Advantage of the present utility model is: the primary member vehicle frame of lock body and vehicle is integrated, hidden dead bolt and hidden wheel center axle sleeve under dead bolt in lock body locks together, if destroyed lock, members such as vehicle frame and wheel center axle sleeve have also just been destroyed, vehicle also just can't travel, thereby can prevent more effectively that vehicle is stolen.

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail:

Fig. 1 is a kind of lock body design attitude scheme drawing of anti-theft bicycle;

Fig. 2 is the inner structure scheme drawing of this lock body;

Fig. 3 looks cutaway view for the left side of Fig. 2;

Fig. 4 is the dead bolt compressing tablet scheme drawing in the lock body;

Fig. 5 is the lock core plectrum scheme drawing in the lock body;

Fig. 6 is the cylindrical dead bolt structural representation in another kind of bottom;

Fig. 7 is and the corresponding wheel center sleeve end of dead bolt shown in Figure 6 structural representation.

Anti-theft bicycle shown in the figure is at the front fork of vehicle frame 1 and/or the design of back vent place the lock body 2 that is integrated with vehicle frame 1 to be arranged, and lock core 9 medial ends on the lock body 2 are connected with the lock core plectrum 10 of a tape shape bolt 11.Lock body 2 internal upper parts are equipped with a fixing hitching post 21, and the bottom is equipped with a fixing hitching post 15.Dead bolt compressing tablet 16 top circular holes 20 are enclosed within fixedly on the hitching post 21, the bottom square opening 17 of growing crosswise is enclosed within fixedly on the hitching post 15, be with on the boss of dead bolt compressing tablet 16 sides and lock body 2 contacted springs 22, dead bolt compressing tablet 16 can swing around fixing hitching post 21 like this, and is resetted by spring 22.Dead bolt compressing tablet 16 middle parts are provided with the concave hole 18 that plays the role of positioning, dead bolt 12 is inserted in the concave hole 18 by the first post bolt 19 that also plays the role of positioning on it on the one hand, be through fixedly on the hitching post 15 by its perpendicular slot 14 of offering of middle part on the other hand, the side of dead bolt 12 has the groove 13 for bar shaped bolt 11 incisions of lock core plectrum 10, the bottom design of dead bolt 12 is concave arc profile of tooth (Fig. 3), dead bolt 12 just can only have been made vertical up and down movement at lock core plectrum 10, dead bolt compressing tablet 16 and fixedly under the combined action of hitching post 15 like this.

Axletree 7 is fixed on the front fork and the back vent place of vehicle frame 1 by nut 8, just in time be positioned at the below of lock body 2, correct dead bolt 12 belows that extend in the lock body 2 and be installed in one of wheel center axle sleeve 4 on the axletree 7, excircle part 5 designs of this end are and dead bolt 12 lower shapes cooresponding arc toothed (Fig. 3), to constitute the snap close that matches with dead bolt 12.Also dead bolt 12 bottoms can be designed to cylinder 23, be with a retracing spring 24 on the cylinder 23 so that it has certain deformability (Fig. 6), be distributed with some accordingly on the end excircle part 5 of wheel center axle sleeve 4 and circular holes 25 (Fig. 7) cylinder 23 corresponding matching, to pin wheel center axle sleeve 4.The floral disc 6 that is connected as a single entity with wheel center axle sleeve 4 is used to install the wheel steel wire.

When this anti-theft bicycle uses, key 3 is inserted in the lock core 9, rotational lock core 9 drives the lock core plectrum 10 that is connected as a single entity with it and is 360 ° of rotations, bar shaped bolt 11 on the lock core plectrum 10 promotes dead bolt compressing tablet 16 swing to the right earlier, first post bolt 19 on the dead bolt 12 is deviate from the last groove or following groove of concave hole 18, then bar shaped bolt 11 is in the groove 13 that 45 is inserted into dead bolt 12, drive dead bolt 12 and do motion up or down, when bar shaped bolt 11 skids off from the groove 13 of dead bolt 12, dead bolt compressing tablet 16 is self-return under the effect of retracing spring 22, first post bolt 19 on the dead bolt 12 will be fixed in the last groove or following groove of concave hole 18, vehicle is movable when being fixed in the groove, has just pinned vehicle when being fixed on down groove.

Lockset internal structure of the present utility model, be not limited to that this paper introduces one, two kind, various existing locksets all can be used for reference employing.Equally, the utility model is not only applicable to bicycle, is applicable to motor-driven or non-power-driven vehicles such as three-wheel vehicle, mini-motorcycle, motor bike too.

Claims

1, a kind of anti-theft bicycle, comprise vehicle frame, be installed in the axletree on frame-front fork and the back vent and be installed on the axletree wheel center axle sleeve that rotates with respect to vehicle frame and axletree, it is characterized in that: locate to design the lock body that becomes one with vehicle frame at one of the front fork of above-mentioned vehicle frame and back vent at least, be provided with the dead bolt that the limiting wheel central axle sleeve rotates in the lock body; One of above-mentioned wheel center axle sleeve corrects the dead bolt below that extends in the lock body, and the structure of this end excircle part is corresponding with the dead bolt lower shape, constitutes the snap close that matches with dead bolt.

2, anti-theft bicycle according to claim 1 is characterized in that: the design of said dead bolt bottom is the concave arc profile of tooth, and it is cooresponding arc toothed with the dead bolt lower shape that the excircle partial design of an end of said wheel center axle sleeve is.

3, anti-theft bicycle according to claim 1 is characterized in that: said dead bolt bottom design is cylindrical, the outer circumference portion of an end of said wheel center axle sleeve set up separately in respect of with cooresponding several circular holes of dead bolt lower cylindrical.