CN2695343Y

CN2695343Y - Antitheft bicycle

Info

Publication number: CN2695343Y
Application number: CN 200420018076
Authority: CN
Inventors: 王凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-05-14
Filing date: 2004-05-14
Publication date: 2005-04-27
Anticipated expiration: 2014-05-14

Abstract

The utility model discloses an anti-theft bicycle relating to an anti-theft bicycle which can prevent the bicycle from being stolen, comprising a back wheel, a handle, a saddle, a seat tube, a bicycle frame, a chain sprocket and a clamping frame of the front wheel and a clamping frame of the back wheel. The seat tube is provided with a hole and the bicycle frame on the outer portion is provided with a corresponding hole. A lock box arranged on a transverse bicycle frame is provided with a lock tongue extending into the holes. A lock, a hole board of a lock handle and the two sides of the clamping frame of the back wheel are respectively processed into integration. When the utility model is rode, the lock tongue in the lock box extends into the holes of the seat tube and the bicycle frame without any influence to the rider. When the bicycle is stopped, the seat tube is disassembled, a transverse frame is locked on the transverse bicycle frame and the thief can not ride. The bicycle frame is broken if the lock box is broken by knocking. The two sides of the clamping frame of the back wheel are respectively provided with the lock box and the hole boards of a lock rod. Even the lock rod is sawed apart by the thief, the lock and the hole boards of the lock rod are still on the two sides of the clamping frame of the back wheel and people can know the bicycle is a stolen one to enable the thief can not use the bicycle. The utility model has reasonable structure and can effectively prevent the theft and can also be used for the additional propulsion bicycle, the electric bicycle, the tricycle, etc.

Description

Anti-theft bicycle

Technical field the utility model relates to the anti-theft bicycle that a kind of car stealer of preventing rides away car.

Background technology China is bicycle big country, bicycle is the vehicle commonly used at home, applied for patent, as " a kind of anti-theft bicycle " (patent No. 02234942), bicycle one retread the fork stage casing be swing arm, swing arm one end and last fixed link are hinged, and the other end is provided with nut and following fixed link thread connection, is provided with the lock hole and the dead bolt that cooperatively interact in the articulation piece.It is integrated lock and bicycle, and lock core is built-in, and joyriding can't prepare key again lock is opened, if movable fork is cut off, car has lost supporting role again." one-piece type anti-theft bicycle " (patent No. 01238124), bottom at vehicle frame is provided with lock housing, lock core is arranged in the lock housing, on the shell of lock core, connect two interlock plates, the hinged trace of difference on the every interlock plate, two traces lay respectively in two hollow tubulars of vehicle frame, and extend respectively in the tie rod holes that is arranged at two hollow tubular tops, utilize this lock, can pin 3 different parts simultaneously." a kind of anti-theft bicycle " (patent No. 00237817), design has solid lock construction on the left and right pipe of car fork, and installation has or not the auto-unlocking return type lock of locking frame.It makes vehicle frame become the connecting bridge of lock body, and lock damage car also decreased when the robber was pounded lock." a kind of anti-theft bicycle " (patent No. 99243272), junction at front fork vertical shaft sleeve pipe and the lower inclined beam or the camber beam of vehicle frame, be provided with a straight-bar lock that is built in declivity or the camber beam, locking bar stretches out from the latch arm hole of lock housing, insert in the lockhole of front fork vertical shaft, block the front fork vertical shaft is locked, car can't be kept straight on or turn, lock is difficult for being pried open or sawing bad, and car also is difficult for going adrift.

The summary of the invention the purpose of this utility model is at above-mentioned present situation, aim to provide a kind of rational in infrastructure, can effective theft-proof anti-theft bicycle.

The implementation of the utility model purpose is, anti-theft bicycle, constitute by front and back wheel, handle, saddle, seat pipe, vehicle frame 1, sprocket wheel and front and back wheel clamping frame, seat pipe 4 has hole 5, have and 5 corresponding holes 6, hole on the vehicle frame outside the seat pipe, the lock box 2 that is contained on the horizontal vehicle frame has the dead bolt 7 that stretches into hole 5,6, and horizontal vehicle frame and lock box 2 are processed as one.

When the utility model was ridden, the dead bolt 7 in the lock box 2 extend in the hole 5,6 of seat pipe 4 and vehicle frame, and the bicyclist is had no effect.During parking, seat pipe 4 unloads, and crossbearer also pins on horizontal vehicle frame, and the car stealer can't ride, and smashes lock box, and vehicle frame is promptly destroyed.Trailing wheel clamping frame both sides are equipped with lock box 3, locking bar orifice plate 11 respectively, even the car stealer is sawed-off with locking bar, because of lock, the lock handle orifice plate is also on trailing wheel clamping frame both sides, other people at a glance promptly as can be known this car for stealing car the car stealer can't be used.The utility model is rational in infrastructure, can be effectively antitheft, also can be used for morpet, Electrical Bicycle, three-wheel vehicle etc.

Description of drawings

Fig. 1 the utility model structural representation

The structural representation of Fig. 2 lock box and lock

Fig. 3 the utility model lock-out state figure

Fig. 4 trailing wheel lockset that clamping frame is adorned is locked constitution diagram

Fig. 5 trailing wheel clamping frame is adorned lockset opening figure

The specific embodiment is with reference to Fig. 1,2, constitute by front and back wheel, handle, saddle, seat pipe, vehicle frame 1, sprocket wheel and front and back wheel clamping frame, seat pipe 4 has hole 5, has and 5 corresponding holes 6, hole on the outer vehicle frame of seat pipe, is contained in that lock box has the dead bolt 7 that stretches into hole 5,6 on the horizontal vehicle frame.Lock core 8 is arranged in the lock box 2, and there is lock tooth 9 dead bolt the inner, rotational lock core, and dead bolt 7 was both extended, indentation, with the purpose that reaches locking, unblanks.See Fig. 1 when riding, the dead bolt 7 in the lock box 2 extend in the hole 5 and 6 of seat pipe 4 and vehicle frame; See Fig. 2 during parking, seat pipe 4 unloads, and crossbearer is on horizontal vehicle frame, and pin with the dead bolt in the lock box 2 in the hole on the seat pipe.As smash lock box, and vehicle frame is promptly destroyed, and car is also destroyed to be fallen, and car stealer's out of reach is stolen the purpose of car.

When general car stealer steals car, the locking bar of institute's dress lockset on trailing wheel 12 vehicle frames is cut, or unload lockset on the spot, or unload lockset after riding away.The utility model lock box 3, locking bar orifice plate 11 are processed as one respectively with trailing wheel 12 clamping frame both sides, and as lock box 3, locking bar orifice plate 11 are unloaded, promptly car load scatters, and can't re-use.

Claims

1, anti-theft bicycle, constitute by front and back wheel, handle, saddle, seat pipe, vehicle frame (1), sprocket wheel and front and back wheel clamping frame, it is characterized in that seat pipe (4) has hole (5), have and corresponding hole, hole (5) (6) on the vehicle frame outside the seat pipe, the lock box (2) that is contained on the horizontal vehicle frame has the dead bolt (6) that stretches into hole (5), (6), and horizontal vehicle frame and lock box (2) are processed as one.

2, anti-theft bicycle according to claim 1 is characterized in that lock core (8) is arranged in the lock box (2), and there is lock tooth (9) dead bolt the inner.

3, anti-theft bicycle according to claim 1 is characterized in that lock box (3), locking bar orifice plate (11) are processed as one respectively with trailing wheel clamping frame both sides.