CN201037324Y - Lock escutcheon - Google Patents

Abstract

The utility model relates to a theft-proof device, in particular to a theft-proof device suitable for different types of lock bodies except padlock. The device comprises a side plate and a cover plate, wherein both plates are connected to form an unlocking channel. The utility model has smart conception, a simple structure and ideal theft-proof effect.

Description

A kind of lockhole cover

(1) technical field: the utility model relates to a kind of anti-theft device, especially the anti-theft device of the various all kinds of lock bodies except that padlock.

(2) background technology: existing various locks, as every lock that needs unlatching such as home-use safe-guard door lock, safety cabinet safe-guard door lock, storehouse door lock, switchbox door lock, automotive lock, lock for motorcycle, bicycle lock, electric bicycle lock, the lockhole of these locks all is exposed to external surface without exception, and illegal robber normally destroys lock core or unblanks to reach the pilferage purpose with special tool.

(3) summary of the invention:

Problem to be solved in the utility model be exactly provide a kind of at above deficiency and be skillfully constructed, the lockhole cover of good anti-theft effect.Its technical scheme is as follows:

It comprises side plate and cover plate, and side plate and cover plate connect and compose the passage of unblanking.

The advantage that compared with prior art the utlity model has is:

1, is skillfully constructed,, makes its front block lockhole, must lock could be opened with this lock key through unblanking passage when unblanking at the peripheral lockhole cover of installing of lockhole.The lawless person can't see lockhole from external surface, and row robber instrument can't be put its effect to good use, so have no way of destroying lock or open lock with special tool, anti-theft effect is very remarkable.

2, simple in structure, only need during production to produce the lockhole cover at the peripheral once-forming of lockhole, perhaps, just can solve long-term puzzlement people's antitheft problem becoming welding or riveted joint lockhole cover on the product.

3, the lockhole cover of this structure is of many uses, is applicable to every lock that needs unlatching such as home-use safe-guard door lock, safety cabinet safe-guard door lock, storehouse door lock, switchbox door lock, automotive lock, lock for motorcycle, bicycle lock, electric bicycle lock.

(4) description of drawings:

Fig. 1 is the utility model structure one schematic diagram;

Fig. 2 is the utility model structure two schematic diagrames;

Fig. 3 is the utility model structure three schematic diagrames;

Fig. 4 is the utility model structure three schematic diagrames;

Fig. 5 is the utility model structure four schematic diagrames;

Fig. 6 is the utility model structure five schematic diagrames.

(5) specific embodiment:

Embodiment one:

Referring to Fig. 1, present embodiment comprises side plate 2 and cover plate 3, and side plate 2 and cover plate 3 connect and compose the passage 1 of unblanking.Side plate 2 is two blocks of parallel and side plates that highly equate, and side plate 2 is identical with the length of cover plate 3, and cover plate 3 is positioned at the top of biside plate 2 and just interlocks with biside plate, forms square lockhole cover.The size of passage 1 of unblanking will make things convenient for hand to unblank inside.

Embodiment two:

Referring to Fig. 2, other structure of present embodiment is identical with embodiment one structure, and different is is provided with baffle plate 4 at an end of the passage 1 of unblanking, and is more conducive to antitheft, also more attractive in appearance like this.Baffle plate 4 is 90 ° with the angle of the intersection, bottom surface of the passage 1 of unblanking.

Embodiment three:

Referring to Fig. 3, other structure of present embodiment is identical with embodiment two structures, angle＜90 of different is baffle plate 4 and the intersection, bottom surface of the passage 1 of unblanking °, and baffle plate 4 has constant slope, is suitable for that lockhole is covered with the lock body that cleanliness requires and uses.

Embodiment four:

Referring to Fig. 4, present embodiment constitutes the passage 1 of unblanking by the arc cover plate 3 of monoblock, forms arc or round keyhole cover.

Embodiment five:

Referring to Fig. 5, other structure of present embodiment is identical with embodiment four structures, and different is is provided with baffle plate 4 at an end of the passage 1 of unblanking.Baffle plate 4 is 90 ° with the angle of the intersection, bottom surface of the passage 1 of unblanking.

Embodiment six:

Referring to Fig. 6, other structure of present embodiment is identical with embodiment five structures, angle＜90 of different is baffle plate 4 and the intersection, bottom surface of the passage 1 of unblanking °.

By as can be seen above, shape of the present utility model can be square or other polygon, circle or other arc.

Claims (4)

1. a lockhole cover is characterized in that it comprises side plate (2) and cover plate (3), and side plate (2) and cover plate (3) connect and compose the passage of unblanking (1).

2. lockhole cover according to claim 1 is characterized in that it constitutes the passage (1) of unblanking by the arc cover plate (3) of monoblock.

3. lockhole cover according to claim 1 and 2 is characterized in that being provided with baffle plate (4) at an end of the passage of unblanking (1).

4. lockhole cover according to claim 1 and 2 is characterized in that angle≤90 ° of baffle plate (4) and the intersection, bottom surface of the passage (1) of unblanking.

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