CN2035788U - Anti-thief and anti-pry bicycle lock - Google Patents

Abstract

The utility model discloses an anti-thief and anti-pry bicycle lock which is a ring buckled type bicycle lock and can not be prized by a torsional mode by knocking and prying pliers. The utility model has a round firm locking head which is made of iron or copper, and a lock button is arranged in the locking head, which can overcome the common fault that the bicycle lock is easily prized at present. The bicycle lock is as easy as an ordinary buckled type bicycle lock in use, but the structure not only is correspondingly firm and tight but also is simplified.

Description

Anti-thief and anti-pry bicycle lock

The utility model belongs to human daily living article.

Occur repeatedly in the case various places that bicycle is prized and stolen, this except social factor, mainly be present various bicycle lock firm inadequately tight due to.The lock of that ring fastening type, snap close position all place on the weak lock frame, and the robber is as long as one prize the lock frame that forms with the iron sheet punching out slightly, even if snap close is thrown off; The lock of that chain type is subject to again turn round and breaks, and is also convenient inadequately in the use.

The purpose of this utility model provides a kind of energy and prevents prizing and stealing and bicycle lock easy to use.

Mode of occupation of the present utility model is the same with common ring button lock, realizes that its anti-key of prizing and stealing performance is that dislocation is in the head of lock ring with the middle part of snap close position from lock ring.When the head of lock ring stretches in the iron of garden shape or the tapered end that casting in bronze is made, promptly be lockable, the tapered end of this garden shape is not only firm, and has exempted pincers and turned round its possibility.The utility model is structurally also simplified than present ring fastening type lock to some extent in addition, it has saved the lock catch part that common lock stretches into the lock frame, detain the spoon pellet shot from a slingshot and only in lockhole, increase by one, so that key after leaving lock can be connected in and lock ， And and be 7 fonts because of key so can guarantee that spoon fringe is away from wheel.

Concrete structure of the present utility model is provided by following examples and accompanying drawing thereof.

Fig. 1 is a common ring button famous brand lock---the profile view of Shanghai " forever " board lock, compare with work and the utility model.

Fig. 2 is the profile view of Antipicking bicycle lock.

Fig. 3 is profile side direction A---the A sectional view of Antipicking bicycle lock.

Fig. 4, Fig. 5 are Antipicking bicycle lock C---C to and B---, and B purchases the relative position of part to sectional view to show tapered end its inside when opening.

The sectional view that Fig. 6 is the Antipicking bicycle lock when lock is with the situation of change of showing that the part position is purchased when opening in its inside.

The coding of each component is among the figure: 1-lockhole 2-tapered end 3-spoon fringe 4-

Key 5-lock frame 6-lock ring 7-core 8-lockhole 9-common spring 10-lock bag 11-buckles spoon pellet shot from a slingshot 12-stage clip 13-snap-fastener 14-extension spring.

Describe detail of the present utility model and working condition thereof in detail below in conjunction with accompanying drawing.

The lock bag of being made by iron or casting in bronze 10 constitutes the overall picture of tapered end 2, in lock bag 10 core 7 is arranged, common spring 9, lockhole 12 and the button spoon pellet shot from a slingshot 11 and the stage clip 12 of ensconcing the lockhole bottom.On the head of lock ring 6, a thin neck is arranged apart from about 4 centimetres place, its top.During lock, the head of lock ring 6 is pushed into lockhole 1, button spoon pellet shot from a slingshot 11 is pressed And compression stage clip 12 thereafter inwards, thin neck on pushing away 6 of lock rings is during to lock-bit, core 7 is at the effect infralevoversion of spring, the inclined-plane at its end promptly is buckled on this thin neck and lock ring 6 is pinned, the state that is Fig. 6 lock, hole on the core 7 of that Tibetan common spring 9 and the hole on the iron bag 10 just in time communicate at this moment, therefore the pellet shot from a slingshot that is stuck on the key tooth can be pressed in the iron bag 10, so key can be extracted out (these feelings are the same with common iron bag lock) from keyhole 8; When unblanking, key 4 is inserted lockhole 8, right slightly twisting, core 7 promptly breaks away from the snap close to the thin neck on 6 of the lock rings, lock ring 6 is under the effect of its extension spring 14, be in the fast retraction lock frame 5, at this that former button spoon pellet shot from a slingshot 11 that contracts in by lock ring 6 pushings during at lock simultaneously, under the effect of its stage clip 12, the speed ， And that promptly resets blocks core 7, it can not be turned left, therefore key is also just blocked at tapered end 2 Shang And by the common spring in the core 9 and is 7 word shapes because of key, so can guarantee spoon fringe 3 away from wheel, is the state that Fig. 2, Fig. 3, Fig. 4, Fig. 5 open.

Lock bag 10 has segment length's handle to insert lock frame 5 ， And with adhesive and snap-fastener 13 they to be fused.

Claims (6)

1, a kind of ring fastening type bicycle lock of forming by tapered end 2 and lock frame 5, it is characterized in that the lock bag 10 that tapered end 2 outside iron or casting in bronze are made, there are core 7 and common spring 9 in inside, also have lockhole 1 and ensconce lockhole interior button spoon pellet shot from a slingshot 11 and stage clip 12, lock frame 5 is dashed to close by two iron sheets and forms, in lock ring 6 and extension spring 14 are arranged.

2, the anti-bicycle lock of prizing and stealing according to claim 1 is characterized in that said pin bag 7 has head and long handle of a garden shape, and long handle inserts in the lock frame 5, and And is connected in tapered end on the lock frame with adhesive and snap-fastener 13.

3, the end of button spoon pellet shot from a slingshot 11 according to claim 1 big slightly, stage clip 12 promptly fills up under it.

4, anti-prizing and stealing on the head that bicycle lock is characterized in that said lock ring 6 according to claim 1, about 4 centimeters have the thin neck of a circle apart from the top.

5, according to claim 1ly anti-prize and steal bicycle lock and it is characterized in that the bottom of said core 7 is an inclined-plane.

6, the key of Antipicking bicycle lock according to claim 1 is 7 fonts.

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