CN2366518Y - Safety and theft-proof bicycle lock - Google Patents

Abstract

The utility model relates to a safety and theftproof bicycle lock, which is characterized in that one hole is arranged on a centre shaft or a rear shaft, one hole is arranged on a rear shaft bracket or a tripod of a bicycle, and a stick lock is installed in the hole; in this way, a lock rod can be directly inserted into the centre shaft or the rear shaft through the tripod or the rear shaft bracket. As a lock is welded together with the tripod or the rear shaft bracket into an integral structure without interspace, the lock can not be prized by a screwdriver or a jaw vice, and thus, the utility model plays the theftproof function.

Description

The safe antitheft bicycle lock

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

The bicycle lock of Shi Yonging mainly contains two classes in the market: a class is the iron-clad bicycle lock that rivets with rivet; Another kind of then is the chain lock that is popular now.Because this two class lock is locked the transmission mechanism of bicycle, employing be not overall structure, so anti-theft feature is relatively poor, the thief is easy to one bottle opener or vice be pried open, and easy to do bicycle is ridden away.

The purpose of this utility model is to provide a kind of theftproof lock that utilizes general purpose tool can't pry open bicycle.

The purpose of this utility model is achieved in that the safe antitheft bicycle lock, it is characterized in that: on axis or rear axle, make a call to a hole, making a call to a hole on the bicycle tripod or on the rear axle support and loading onto a rod and lock, lock can directly penetrate in axis or the rear axle like this, since lock and tripod or rear axle support be weld together and do not have a space, be an overall structure, thus all can't pry open with bottle opener or vice, thus played antitheft effect.

The utility model compared with prior art has following advantage:

Adopt overall structure.The thief is not having under the situation of special tool, can't open this lock at short notice, because lock and vehicle frame, axletree all are one.Disconnect as prying open to have only with gas welding, or bitting again, thereby reach antitheft purpose; And this lock transmission mechanism that has been locked, can not ride away, can also push away away, such and general lock is shared, and it also is a scraped car that the thief rolls back.

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is a kind of structure cut-away view of the present utility model;

Fig. 2 is the axis overstriking structural front view of Fig. 1;

Fig. 3 is the vertical view of Fig. 2;

Fig. 4 is an another kind of structure sectional view of the present utility model;

Fig. 5 is the rear axle overstriking structural front view among Fig. 4;

Accompanying drawing the 1,2, the 3rd, first kind of embodiment of the present utility model, it is to make a call to a hole on bicycle central bottom tripod 5, and the rod lock 3 of burn-oning in the above, and a hole 2 bigger than locking bar is made a call in axis 11 tops, and locking bar can be inserted in the rod lock 3 like this.Axis 11 is generally thinner, can adopt to make axis 11 overstrikings among Fig. 2, and the hole will beat more greatly, all wants rounding up and down, is beneficial to locking bar and inserts.Can add that in addition mark 1 is to grasp the direction in hole on axis 11 both sides.Among Fig. 14 is return spring, and 6 is leather sheath in case lock water inlet, and 7 are the recessed axle of locking, 8 lockholes, and 9 is recessed of return, and 10 is the axis axle sleeve, and 12 are protruding position, the lock end, and 13 for adding gland.

Fig. 4,5 another embodiment of the present utility model, it be with rod lock 3 ' be welded in rear axle support 5 ' on, with rear axle 11 ' overstriking, and punch 2 thereon ', like this locking bar can insert rear axle 11 ' in, play antitheft effect.Wherein 4 ' be return spring, 7 ' be the recessed axle of locking, 9 ' be the recessed axle of return, 6 ' be leather sheath in case the lock water inlet, 8 ' be lockhole, to unblank for convenience, key can extend, 10 ' be the rear axle axle sleeve, 12 ' be to lock at protruding of the end, 13 ' for adding gland.

Claims (1)

1 one kinds of safe antitheft bicycle locks, comprise locking bar, return spring etc., it is characterized in that: a hole is arranged on axis or rear axle, a hole is being arranged on the bicycle tripod or on the rear axle support, and weld and go up the rod lock, locking bar directly penetrates in the axis or rear axle of bicycle by tripod or rear axle support.

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