CN2732594Y

CN2732594Y - Theft-proof bicycle

Info

Publication number: CN2732594Y
Application number: CN 200420076364
Authority: CN
Inventors: 粟永忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-08-20
Filing date: 2004-08-20
Publication date: 2005-10-12
Anticipated expiration: 2014-08-20

Abstract

The utility model discloses a theft-proof bicycle, comprising wheels, a bicycle frame, a front fork, a back fork, a driving mechanism, a bibcock and a base plate. The vertical shaft sleeve tube of the bicycle frame is provided with a theft-proof lock, and the theft-proof lock is provided with a lock body seat integrated with the vertical shaft sleeve tube and a lock body arranged in the lock body seat. The vertical shaft sleeve tube and the pipe of the front fork are provided with slot holes, and a latch bolt in the lock body is on the same straight line with the vertical shaft sleeve tube and the slot hole of the pipe of the front fork.

Description

Anti-theft bicycle

Technical field

The utility model relates to a kind of anti-theft bicycle.

Technical background

As everyone knows, bicycle is the equipment of the daily vehicle of riding instead of walk of people and body building, and is quite universal in China.At present, bicycle is stolen has become car purchaser's pain in the neck.Bicycle theft-prevention also becomes the focus of people's extensive concern.

But the various anti-theft techniques of bicycle are eventually because of there being such or such defective to fail to be promoted application.What be used now remains the method that locks on the bicycle wheels, and this method acts on the car stealer, as long as destroy the lock that adds outside, bicycle is promptly ridden away.The bicycle integral structure is observed, it does not have anti-theft feature, generally be car load dispatch from the factory be sold in client's hand after, buy in addition one by client again lock installed onboard, the lock of installing is destroyed and disassembles by the robber easily, so the robber rides away after easily car being removed.The problem of social concerns of bicycle a large amount of stolen vile practices of disposing of stolen goods becoming, many people try every means for this reason, for example on vehicle frame, add weldering one lock etc., dispose of stolen goods but the licence sample is stolen, key is that vehicle frame and lock body are two parts, can be in many ways with its separation, and to bicycle structure without any destruction, what damage the surface of bicycle is not had yet.

Summary of the invention

The purpose of invention is for overcoming the shortcoming of above-mentioned prior art, provide a kind of lock body and vehicle frame are combined into the single-piece anti-theft bicycle, and both vehicle frame was the part of this lock, the robber is difficult to separate, as destroy lock body and both damaged vehicle frame, can't dispose of stolen goods, therefore reach the purpose of theft protection.

The technical solution of the utility model is: anti-theft bicycle, it has wheel, vehicle frame, front and rear fork, driver train, tap and seat board, it is characterized in that on the vertical shaft sleeve pipe of vehicle frame anti-theft column lock being housed, it is the lock body seat and the lock body that is installed in the lock body seat of one that anti-theft column lock has with the vertical shaft sleeve pipe, have slotted eye on vertical shaft sleeve pipe and the front fork tube, the slotted eye on dead bolt in the lock body and vertical shaft sleeve pipe, the front fork tube in line.

Aforesaid anti-theft bicycle is characterized in that captiveing joint for welding or riveted joint between lock body and lock body seat.

On the vertical shaft sleeve pipe of cycle frame, anti-theft column lock is housed, owing to have slotted eye on vertical shaft sleeve pipe and the front fork tube, become snap close, use the key turns core, after making dead bolt in the lock body enter slotted eye on vertical shaft sleeve pipe and the front fork tube, the front fork of bicycle is lost the freedom of rotation, should not lock unlatching if there is original key, bicycle can not change direction of travel, can't be used.The lock body of anti-theft column lock is installed in the lock body seat, and lock body seat and vehicle frame are solidified as a whole, and the robber is difficult to separate bicycle and anti-theft column lock, has both damaged vehicle frame as destroying lock body, can't dispose of stolen goods, and therefore reaches the purpose of theft protection.

Description of drawings

Fig. 1 is the structural representation of embodiment one of the present utility model.Wherein, 1 front fork, 2 vertical shaft sleeve pipes, 3 anti-theft column locks, 4 taps, 5 vehicle frames, 6 seat boards, 7 back vents, 8 rear wheels, 9 driver trains, 10 front vehicle wheels.

Fig. 2 is the structural representation of embodiment two of the present utility model.

Fig. 3 is the local enlarged diagram among Fig. 1.Wherein, 11 front fork tubes, 12 dead bolts, 13 front fork tube slotted eyes, 14 vertical shaft sleeve tube seat holes, 15 lock cores, 16 lock body seats.

Fig. 4 is the cut-away view of overlooking of Fig. 3.Wherein, 17 lock bodies.

Concrete embodiment

See figures.1.and.2.Bicycle has its common structure, promptly mainly is made of vehicle frame 5, front fork 1, back vent 7, front vehicle wheel 10, rear wheel 8, tap 4, driver train 9, seat board 6, and we load onto anti-theft column lock 3 at vertical shaft sleeve pipe 2 places of vehicle frame.

The structure that anti-theft column lock 3 and vehicle frame are 5 is referring to Fig. 3 and Fig. 4.Lock body seat 16 is one with vertical shaft sleeve pipe 2 or is fixed with one, plays pick-proof; Lock body 17, for example drawer lock mechanism is connected in the lock body seat 16, can adopt welding that its weldering is dead, also can be with riveted joint so that the possibility of changing lock is arranged oneself.On vertical shaft sleeve pipe 2 and front fork tube 11, have front fork tube slotted eye 13, vertical shaft sleeve tube seat hole 14, dead bolt 12 and 13,14 in alignment, slotted eye 13 is snap closes of anti-theft column lock, rotate tap 4 marks of pressing on the tap slotted eye 13 is aimed at slotted eye 14, dead bolt 12 can enter slotted eye 13 tap is pinned.The direction of this moment tap 4 is fixed, and can't rotate, and front-wheel 10 just can not change of direction, and bicycle can only be turn-taked in the original place, can not on the way keep straight on, thereby reach theft-proof purpose.Have only with original key lock is opened, dead bolt 12 is return, bicycle could use.

Claims

1, anti-theft bicycle, it has wheel, vehicle frame, front and rear fork, driver train, tap and seat board, it is characterized in that on the vertical shaft sleeve pipe of vehicle frame anti-theft column lock being housed, it is the lock body seat and the lock body that is installed in the lock body seat of one that anti-theft column lock has with the vertical shaft sleeve pipe, have slotted eye on vertical shaft sleeve pipe and the front fork tube, the slotted eye on dead bolt in the lock body and vertical shaft sleeve pipe, the front fork tube in line.

2, anti-theft bicycle as claimed in claim 1 is characterized in that captiveing joint for welding or riveted joint between lock body and lock body seat.