CN2337278Y - Anti-prizing lock of bicycle - Google Patents

Abstract

The utility model relates to an anti-prizing lock of bicycles, which comprises a lock rod, a lock handle and a lock casing. The connection of the lock handle and the lock rod is designed into an irreversible type movably connection with rotation and unfolding operation towards one side in order that the defects that the existing tradition bicycle lock is easy to prize alock rod from a lock handle and safety is inferior; when the lock handle is pressed downwards, the utility model is like that an ordinary bicycle lock can drive the lock rod to lock the bicycle; when the lock handel is pried upwards, the lock handle rotates upwards and folds towards a lock casing and the lock rod can not be pried; therefore, the utility model has the advantages of better anti-theft safety performance.

Description

Antipicking bicycle lock

The utility model relates to a kind of device of the bicycle that avoids theft, especially a kind of Antipicking bicycle lock.

Existing traditional bicycle lock includes locking bar, shank of the key and lock housing, and locking bar is arranged in the lock housing, and shank of the key is weldingly fixed on the locking bar, in actual the use, stealer often uses ironware to knock shank of the key from bottom to up, pries open locking bar with brute force and opens lock, thereby steal bicycle.

The purpose of this utility model promptly is to overcome the defective of existing standard bicycle lock pick-proof, theftproof performance difference, and a kind of safety Antipicking bicycle lock preferably is provided.

The purpose of this utility model is achieved through the following technical solutions: this Antipicking bicycle lock includes locking bar, shank of the key and lock housing, locking bar is arranged in the lock housing, in the utility model, shank of the key connects for connecting towards rotating the unidirectional type activity of packing up on one side with locking bar.

For further realizing the purpose of this utility model, specifically can adopt various ways such as radial type, hinge type, in the radial type, mill out notch on locking bar, shank of the key is hinged on the locking bar notch by bearing pin, and shank of the key is when lower stress, promote the downward locking of locking bar by the fulcrum on the locking bar, shank of the key makes progress when stressed, does not have fulcrum on this direction locking bar, and shank of the key upwards rotates around pin joint and is affixed to lock housing.In the hinge type, handle and outer handle two bodies in shank of the key is divided into, interior handle still is weldingly fixed on the locking bar, outer handle and interior handle are formed the hinge that can open certain angle by bearing pin, outer handle is when lower stress, hinge opens and drives the downward locking of locking bar, and outer handle makes progress when stressed, upwards rotates around bearing pin and is affixed to lock housing.

Antipicking bicycle lock of the present utility model is when pressing shank of the key downwards such as the lockable pinning bicycle of common lock.When firmly upwards striking shank of the key, shank of the key is upwards packed up and is affixed to lock housing, and sled loses stress point when hitting, can't prize locking bar, thereby have tamper-resistant safety performance preferably.

Fig. 1 is an Antipicking bicycle lock overall structure schematic diagram.

Fig. 2, Fig. 4 are respectively two kinds of specific embodiment partial structurtes of the utility model figure.

Fig. 3 is an A-A sectional drawing among Fig. 2.

Provide specific embodiment of the present utility model below in conjunction with Figure of description.As Fig. 1 and shown in Figure 2, this Antipicking bicycle lock includes locking bar (1), shank of the key (2) and lock housing (3), locking bar (1) is arranged in the lock housing (3), on locking bar (1), mill out notch, shank of the key (2) is hinged on locking bar (1) notch by bearing pin (4), by notch control shank of the key (2) can only be rotated up, Fig. 3 has expressed the sectional drawing at locking bar (1) notch position place.Another kind of embodiment as shown in Figure 4 is a hinge type, shank of the key is divided into interior handle (2-1) and outer handle (2-2) two bodies in this kind of, interior handle (2-1) still is weldingly fixed on the locking bar (1), and outer handle (2-2) is formed the hinge that can open certain angle with interior handle (2-1) by bearing pin (5).This hinge can only be in upset above the horizon as shown in the figure.

Claims (3)

1, a kind of Antipicking bicycle lock includes locking bar, shank of the key and lock housing, and locking bar is arranged in the lock housing, of the present utility model being characterised in that: shank of the key connects for connecting towards rotating the unidirectional type activity of packing up on one side with locking bar.

2, Antipicking bicycle lock according to claim 1 is characterized in that: be milled with notch on the locking bar, shank of the key is hinged on locking bar notch position place by bearing pin.

3, Antipicking bicycle lock according to claim 1 is characterized in that: handle and outer handle two bodies in shank of the key is divided into, and interior handle is weldingly fixed on the locking bar, and outer handle and interior handle are formed the hinge that can open certain angle by bearing pin.

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