CN2059445U - Anti-theft lock hid in handlebar for bicycle - Google Patents

Abstract

The utility model relates to an anti-theft lock whose tap is hid in a handlebar for a bicycle, comprising a lock core 2, a bolt body 4, etc., wherein, the lock core 2 is arranged on the top of a bicycle tap 7, the bolt body is arranged at the connecting point of the bicycle tap 7, a front fork 8, and a triangular frame 9, a vertical gear bar 10 and a transverse gear rack 11 are arranged in the lock bolt 4, the vertical gear bar and the lock core are fixedly connected through a connector 3, and a tightly fixed expander 5 is arranged at the lower part of the blot body. The utility model whose lock body is hid in the tap, having the advantages of good invisibility, little possibility of destroy, strong anti-theft ability, simple structure, and low cost.

Description

Anti-theft lock hid in handlebar for bicycle

The utility model belongs to the Lock special for bicycle tool.

The social now upward stolen case of bicycle takes place repeatedly, people very pay close attention to the theftproof performance of bicycle, and present bicycle lock is because the restriction of itself structure, and lock body is all exposed outside, as long as therefore thief possesses some simple tools used in crime, just can easily lock be pried open; Simultaneously because bicycle lock is all only locked back wheels of vehicle, even therefore picking lock not as long as lift tripod, makes back wheels of vehicle unsettled, can promote bicycle to the shelter, lock is pried open and made an escape.People have designed various bicycle anti-theft alarm locks now, but because the limitation of people's thinking, outside lock body still is exposed to, though the picking lock difficulty has increase slightly like this, but because the restriction of itself structure also be difficult to tackle the problem at its root, so anti-theft effect is unsatisfactory.

The purpose of this utility model is to break through the limitation of people's thinking at all, overcome the common defects of existing all kinds of anti-theft lock for bicycle, a kind of handle-bar inside that is installed on is provided, change the lock wheel and be lock tap, good concealment, simple in structure, anti-theft capability is strong, cost is low hidden-in-handlebar antithief lock for bike.

Main points of the present utility model are whole anti-theft lock for bicycle is installed in the tap, lock core is installed on leading top, be provided with a key in tap, front fork and inside, tripod junction, an one vertical rack and a horizontal rack arranged in the key, vertically fixedlyed connected by connector between rack and lock core, the key bottom is provided with an expander.

Below in conjunction with accompanying drawing the utility model is further described:

Hidden-in-handlebar antithief lock for bike is by lock core (2), key compositions such as (4), lock core (2) is installed on handle-bar (7) top, key (4) is installed on handle-bar (7), in the inner space, junction of front fork (8) and tripod (9), a vertical rack (10) and a horizontal rack // (11) are equipped with in key (4) inside, vertically rack (10) and horizontal rack (11) are meshing with each other, horizontal rack (11) direction is pointed to interior pore // (12) of cross bar of bicycle tripod (9), horizontal rack (11) end is a circle bar, vertically fixedly connected between rack // (10) and the lock core (2) simultaneously by connector (3), the utility model is equipped with a tightening expander (5) in key (4) bottom, and the effect of tightening expander/(5) is consistent with the effect of the former silk of wagon box voluntarily.

Operating principle of the present utility model is as follows:

When needs lock car, tap is rotated to an angle, generally can make front-wheel and vehicle body constitute 90～120 angle according to individual demand, key is inserted lockhole, screw key makes connector rotate along with the rotation of lock core, at this moment vertically rack also rotates with the rotation of connector, drive parallel its end circle bar that moves to of horizontal rack by gear drive and stretch into pore (12), tap promptly is fixed and can't rotates at this moment, be closed condition this moment, at this moment because tap constitutes certain angle with vehicle body, bicycle can't promote, and also is difficult to remove carry on the shoulder.When need are used car, key is inserted the lockhole rotation, make horizontal rack withdraw from a segment distance, break away from tripod and part remains in tap and the front fork wall, this moment, tap can rotate flexibly, and the while horizontal rack fuses front fork and tap, the bicycle front portion can't be taken apart, therefore lock also is difficult to wreck, and horizontal rack also played the effect of strengthening expander simultaneously and tap and front fork can fix well kiss and connect this moment, was running status at this moment.In the time will dismantling bicycle, key can be further rotated and make horizontal rack all withdraw from tap and front fork wall, be opening at this moment.

For fully strengthening the intensity of bicycle 3 years framves (7) inner air vent (12), the utility model is located inside at tripod pore (12) and is with a sleeve (6).

Damage for making lock core (2) avoid the invasion and attack of rainwater and dust, the utility model is provided with a protective cover (1) on lock core (2) top.

The utility model is owing to whole lock all is hidden in the handle-bar, so disguise, is difficult for wrecking, and anti-theft capability is strong, and the while is simple in structure, cost is low, is particularly suitable for the anti-of bicycle usurped.

Description of drawings: Fig. 1 is the hidden-in-handlebar antithief lock for bike schematic diagram.

Claims (3)

1, a kind of hidden-in-handlebar antithief lock for bike comprises a lock core, the invention is characterized in:

A, lock core [2] are installed on handle-bar [7] top;

B, in the inside, junction of handle-bar [7], front fork [8] and tripod/[9] key [4] is housed, a vertical rack [10] and a horizontal rack [11] are equipped with in key [4] inside, and vertically rack [10] and horizontal rack [11] are meshing with each other;

The interior pore [12] of cross bar of bicycle tripod [9] is pointed in c, horizontal rack [11] aspect, and horizontal rack [11] end is a circle bar;

Fixedly connected between d, vertical rack [10] and the lock core [2] by connector [3];

E, key [4] bottom are equipped with a tightening expander [5].

2, anti-theft lock for bicycle as claimed in claim 1 is characterized in that locating inside at tripod pore (12) is with a sleeve (6).

3, anti-theft lock for bicycle as claimed in claim 1 is characterized in that a protective cover (1) is arranged at lock core (2) top.