CN2104270U - Double-side bolt fixed lock for bicycle - Google Patents

Abstract

The utility model discloses an anti-theft lock for a bicycle, which is provided with a cylinder lock body and a lock pin box, wherein, the cylinder lock body is fixed on one side of a bicycle frame by a cylinder lock U-shaped plate and a bolt; a lock pin can be movably arranged in a longitudinal hole of the lock pin box and is inserted into the lock body for locking through the lock pin box U-shaped plate, so the lock body and the lock pin box are permanently fixed on a fork frame of the bicycle and can not be prized. The lock for the bicycle has the advantages of simple structure and firmness, and can effectively prevent the bicycle from being stolen.

Description

Double-side bolt fixed lock for bicycle

The utility model relates to a kind of bicycle lock.

At present, the bicycle lock of selling on the market, its shell be with boring rivet, is easy to be pried open and exposes the internal construction of lock, causes bicycle to lose.

The purpose of this utility model provides on a kind of crotch that can for good and all be fixed on bicycle, the bicycle lock that can not be pried open, thus reach the purpose of bicycle theft-prevention.

The purpose of this utility model is to realize like this, cylinder lock is by " ∪ " shape plate and passes being bolted on bicycle front fork or the rear crotch of cylinder lock and " ∪ " shape plate, on bolt, scribble viscose glue, after to be dried, just can not turn, cylinder lock has been permanently secured to one side of bicycle crotch so again.The hole that lock pin passes on " ∪ " shape plate that is enclosed within the crotch another side enters lockhole, sealed after, lock pin just and the bicycle crotch join together securely.Because cylinder lock is with bolt and be enclosed within the hole that " ∪ " shape plate on the crotch is permanently secured on " ∪ " shape plate on the bicycle crotch and enter cylinder lock, sealed after, the weakness ring that full lock is not prized, thus reach the purpose of avoiding bicycle to lose.

Advantage: owing to adopt said structure, make lock body and lock pin and crotch firmly fix and be in the same place, can play the purpose that prevents that bicycle is stolen.

Accompanying drawing is the perspective diagram of the utility model bicycle lock, describes an example of the utility model bicycle lock in detail below in conjunction with accompanying drawing.

1. cylinder locks " ∪ " shape fixed head among the figure; 2. lock pin box " ∪ " shape fixed head; 3. cylinder lock; 4. lock pin box; 5. lock pin; 6. the cylinder lock bolt of connecting with " ∪ " shape plate; 7. back-moving spring; 8. lock pin box fixed screw; 9. cylinder lock retaining screw; 10. lock pin box retaining screw.

As shown in the figure: a kind of bicycle lock includes pin tumbler lock body and lock pin.End at pin tumbler lock body (3) has two transverse grooves spaced apart from each other, a lock body " ∪ " shape plate (1) inserts in two grooves, vertically have a hole at lock body (3) by two transverse grooves and lock body " ∪ " shape plate (1), one bolt (6) is penetrated in vertical hole, it has a through hole on vertically a lock pin box (4), one lock pin box " ∪ " shape plate (2) is from laterally inserted lock pin box (4), lock pin box " ∪ " shape plate (2) has two holes, the through hole centering of these two holes and lock pin box (4), one lock pin (5) is packed in the above-mentioned hole movably, end at lock pin box (4) is equipped with a back-moving spring (7), go up retaining screw of installation at lock pin box " ∪ " shape plate (2), the location of lock body (3) and lock pin box (4) is that cylinder lock retaining screw (9) and the lock pin box retaining screw (10) on cylinder lock " ∪ " shape fixed head (1) and lock pin box " ∪ " the shape fixed head (2) finished.

Claims (3)

1, a kind of bicycle lock, include pin tumbler lock body (3) and lock pin (5), it is characterized in that, end at pin tumbler lock body (3) has two transverse grooves spaced apart from each other, a lock body " U " shape plate (1) inserts in two grooves, vertically have a hole at lock body (3) by two transverse grooves and lock body " U " shape plate (1), one bolt (6) is penetrated in vertical hole, a lock pin box " U " shape plate (2) is from laterally inserted lock pin box (4), lock pin box " U " shape plate (2) has two holes, the through hole centering of these two holes and lock pin box (4), a lock pin (5) is packed in the above-mentioned hole movably.

2, by the described bicycle lock of claim 1, it is characterized in that, at an end of lock pin box (4) back-moving spring (7) is housed.

3, by claim 1 or 2 described bicycle locks, it is characterized in that, go up at lock pin box " ∪ " shape plate (2) retaining screw (10) is installed.

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