CN2249200Y - Double safety lock for bicycle - Google Patents

Abstract

The utility model relates to a double safety lock for a bicycle, which is used for preventing the theft and the destruction of the bicycle and ensuring the safe installation of the bicycle on a pipe of the bicycle. The utility model is composed of a middle axle lock which is arranged in a vertical pipe and an inner lock. The middle axle lock is arranged in the vertical pipe by a screw for fixing a lock hole. A lock pin connecting rod can control the rotation of a middle axle. The tail end of the middle axle lock is provided with the inner lock which is fixed in the vertical pipe by a clamping block of the inner lock. When a lock rod is screwed out the clamping block of the inner lock, the inner lock can be taken out. The utility model has the advantages of strong theft protecting performance, good invisibility, and big destruction preventing capability. The utility model can perform double safe functions of theft protection and destruction prevention. The utility model is easy in use for bicycles.

Description

The two safety locks of bicycle

The utility model relates to a kind of bicycle theft-prevention, tamper-proof that is used for, and guarantees the two safety locks of installing in the inner car pipe of frame of bicycle of bicycle safe.

Existing bicycle lock is of a great variety, mainly be divided into bright lock and Built-in lock two classes, bright lock is installed in car wheel position mostly, bicycle after the locking, its lock is exposed to the outside individually, total energy is by sled during stealing, saw, means such as lock are opened lock, and car itself there are not what damage and influence, Built-in lock mainly is mounted in interior of body, and its advantage is: be difficult to open lock after car is stolen, that car itself is subjected to is badly damaged as destroying by force, can't use and dispose of stolen goods, the shortcoming of this lock is not possess anti-destructive, and as fill in hard thing in lockhole, the car owner also can't open, can only ruin lock by force, thereby cause certain damage to car, it is strong and disguised to be as the patent No. that 94210736.5 " anti-theft bicycle lock " discloses a kind of anti-theft, the Built-in lock of good integrity, it is assemblied in lock in the inclined tube earlier, be integral with automobile body welding afterwards, after the lock damage, the car owner just is difficult to from inclined tube the lock taking-up be opened, and opens as need and will cause damage to car itself.

The purpose of this utility model be to overcome deficiency of the prior art and propose that a kind of anti-theft that is installed in interior of body is strong, good concealment, bicycle that survivability is big are enjoyed a double blessing the peace lock, play antitheft and vandal-proof pair safety effect, make Built-in lock maintenance, the dismounting more convenient, practical.

The purpose of this utility model is achieved in that by the middle shaft lock and the internal lock that are installed in the seat tube to be formed, in shaft lock by fixing lockhole screw retention in seat tube, its head lock pin connecting rod is at key, the lock core teeth, under the drive of connecting rod teeth, can stretch vertically, make lock pin insert or leave the axis lockhole, power resources part one axis of bicycle is promptly locked behind the insertion axis lockhole, bicycle can't turn by pin and ride, it is promptly rotatable that lock pin leaves the back axis that resets, lock pin and lock pin connecting rod lean on the lock pin steady ring location reinforcing of making one with standpipe, at middle shaft lock tail end internal lock is installed, prevent from extraneous vehicle seat to be taken off shaft lock from directly take out the standpipe termination, the inner pintle hook lock of internal lock certainly is fixed in the standpipe, under interior lock key drives, after locking bar screwed out the internal lock fixture block, internal lock can take out from standpipe.

The utility model is installed in interior of body, have that anti-theft is strong, good concealment, advantage that survivability is big, can play antitheft and vandal-proof pair safety effect, make maintenance, the dismounting of Built-in lock more convenient, practical, and do not do under the change situation and can realize at original bicycle manufacturing line.

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is a structure cutaway view of the present utility model.

Fig. 2 is an axis lock construction front view of the present utility model.

Fig. 3 is an axis lock construction right elevation of the present utility model.

Fig. 4 is an axis lock construction birds-eye view of the present utility model.

Fig. 5 is an axis topology view of the present utility model.

As Fig. 1,2,3,4, shown in 5, the utility model is made up of the middle shaft lock and the internal lock that are installed in the seat tube, it is characterized in that shaft lock 1 is fixed in the seat tube by fixing lockhole screw 14, one end of its head lock pin connecting rod 4 and lock core teeth 2, connecting rod teeth 3 are connected, the other end is connected with lock pin 5, lock pin 5 is connected with 6 lockings of axis lockhole, lock pin connecting rod 4 is at key, lock core teeth 2, under the drive of connecting rod teeth 3, can stretch vertically, and make lock pin 5 insert or leave axis lockhole 6, the lock pin steady ring 8 location reinforcings of making one with standpipe 9 are leaned in the rotation of control axis, lock pin and lock pin connecting rod, are equipped with sold inside the country 10 at middle shaft lock tail end, inner pintle hook lock piece 12 is fixed in the standpipe, locking bar 11 is connected with the locking of internal lock fixture block, and under interior lock key drove, locking bar 11 can screw out the internal lock fixture block.Around lock pin 5 and lock pin connecting rod 4, be provided with anti-drilling emery wheel pipe 15, on axis 7, be provided with anti-drilling abrading block 16 around the axis lockhole 6; Have at middle shaft lock tail end and to get lock hook groove 13, as get the lock screw.

Its working process is as follows: the key of middle shaft lock 1 is inserted lock core; and to the direction rotation that shuts; by lock core teeth 2 interlock connecting rod teeth 3; and then drive lock pin connecting rod 4 stretches out downwards; make lock pin 5 penetrate axis lockhole 6; stuck axis 7; it can not be rotated and take out; lock pin 5 is reinforced by lock pin steady ring 8 location of making one (can adopt Type of Welding) with standpipe; prevent to rock; reach the pick-proof purpose; if middle shaft lock 1 is by artificial damage; the precondition that needs to change is the interior lock key that will have producer to be equipped with; otherwise can't open; the step of its replacing is: the vehicle seat that takes off standpipe 9 upper ends; with special tool interior lock key is inserted in the internal lock 10; and with locking bar 11 back-out internal lock fixture blocks 12; utilize lock core to block the strength of key with the whole taking-up of internal lock; lock with the threaded instrument screw-in of head axis then and get lock screw 13, the fixedly lockhole screw 14 of back-outing, thereby with the whole taking-up of middle shaft lock; and connect the reverse order new lock of packing into; anti-drilling emery wheel pipe 15 and anti-drilling abrading block 16 can protect insurance, and the burglar is had no way of doing it, and vehicle is protected.

Claims (3)

1, the two safety locks of a kind of bicycle are made up of the middle shaft lock and the internal lock that are installed in the seat tube, it is characterized in that:

A, middle shaft lock (1) are fixed in the seat tube by fixing lockhole screw (14), one end of its head lock pin connecting rod (4) is connected with lock core teeth (2), connecting rod teeth (3), the other end is connected with lock pin (5), lock pin (5) is connected with axis lockhole (6) locking, lock pin and lock pin connecting rod lean on lock pin steady ring (8) the location reinforcing of making one with standpipe (9)

B, at middle shaft lock tail end internal lock (10) is installed, inner pintle hook lock piece (12) is fixed in the standpipe, and locking bar (11) is connected with the locking of internal lock fixture block.

2, the two safety locks of a kind of bicycle according to claim 1 is characterized in that: be provided with anti-drilling emery wheel pipe (15) on every side at lock pin (5) and lock pin connecting rod (4), go up axis lockhole (6) at axis (7) and be provided with anti-drilling abrading block (16) on every side.

3, the two safety locks of a kind of bicycle according to claim 1 is characterized in that: have at middle shaft lock tail end and get lock hook groove (13).

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