CN203213712U - Protecting cover device for anti-theft lock - Google Patents
Protecting cover device for anti-theft lock Download PDFInfo
- Publication number
- CN203213712U CN203213712U CN 201320070340 CN201320070340U CN203213712U CN 203213712 U CN203213712 U CN 203213712U CN 201320070340 CN201320070340 CN 201320070340 CN 201320070340 U CN201320070340 U CN 201320070340U CN 203213712 U CN203213712 U CN 203213712U
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- China
- Prior art keywords
- cover
- base plate
- protecting cover
- interior
- lockhole
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A protecting cover device for an anti-theft lock comprises a base plate, a dustproof piece and an outer protecting cover. The base plate is provided with a through hole corresponding to a lock core respectively in size and shape, and the outer protecting cover comprises a fixed plate and an outer convex cover which is located on the fixed plate and can cover the through hole positioned on the base plate. The top of the outer convex cover is provided with an outer lockhole, the dustproof piece with one keyhole allowing a key in and out freely is located in the outer convex cover and covers the outer lockhole positioned on the outer convex cover, an inner protecting cover is further arranged between the base plate and the outer protecting cover and comprises a fixed plate and an inner convex cover located on the fixed plate, the top of the inner convex cover is provided with an inner lockhole, the size and the shape of the inner lockhole respectively correspond to the size and the shape of the outer lockhole, and the inner convex cover is nested in the outer convex cover and can cover the through hole positioned on the base plate. Even if the outer protecting cover is pried and damaged by lawbreakers, the inner protecting cover cannot be damaged easily, and accordingly anti-theft performance is improved.
Description
Technical field
The utility model relates to a kind of protective cover device of theftproof lock
Background technology
When theftproof lock is installed on the door, generally need be at the door formation lockhole that holes, in theftproof lock is fixed on door after, its lock core stretches out from the lockhole on the door, if at lockhole the protective cover device is not installed, then lock core body exposes outdoors, both dangerous, also not attractive in appearance.The protective cover device of theftproof lock in the prior art generally comprises base plate, outer protecting cover, dustproof sheet, and outer protecting cover is fixed on the fixed head by an outer convex cover and forms, and outer shield covers in exposed anti-theft lock core, plays effect attractive in appearance.But this traditional protective cover device only plays effect attractive in appearance, and the wall thickness of its outer convex cover is often thinner, be easy to be prized by the lawless person bad, thereby make lock core expose out.If outer shield adopts thicker outer shield, processing cost is too high.In case and lock core is exposed outside, the lawless person is easy to continue to destroy lock core, and theftproof lock is pried open.
Summary of the invention
In order to solve the easy ruined drawback of the protective cover of theftproof lock in the prior art, the technical problems to be solved in the utility model provides a kind of protective cover device that is not easy ruined novel anti-burglar lock.
The protective cover device of the utility model theftproof lock comprises base plate, dustproof sheet, outer protecting cover, offers a size and the shape through hole corresponding with lock core size and shape respectively on the base plate; Outer protecting cover comprises a fixed head and the outer convex cover that is positioned on this fixed head, and this outer convex cover can hide the through hole on the base plate, and an exterior lockhole is offered at the top of outer convex cover; Dustproof sheet is positioned at outer convex cover exterior lockhole inner and that will be positioned on the outer convex cover and hides, and this dustproof sheet is offered a keyhole that can allow key free in and out; Base plate and outside between the protecting cover, also be provided with interior protecting cover,
ShouldInterior protecting cover comprises a fixed head and the convex cover that is positioned on this fixed head, an interior lockhole is offered at the top of interior convex cover, the size of interior lockhole is corresponding with size and the shape of described exterior lockhole respectively with shape, and interior convex cover is nested in the outer convex cover and the through hole that is positioned on the base plate can be hidden.Owing to increased an interior protecting cover between protecting cover and the base plate outside, even outer protecting cover is prized bad destruction by the lawless person, interior protecting cover is difficult to be prized bad, thereby has improved theftproof performance.
As improvement project, dustproof sheet of the present utility model is U-shaped, its U-shaped blind end stretches out the exterior lockhole that is positioned on the outer convex cover, the edge of lockhole arranges a step that is used for U-shaped dustproof sheet openend is carried out spacing depression in described, and dustproof sheet and lock core end face after limited maintain the gap.Because have certain clearance between dustproof sheet and the lock core, lock core can freely rotate.
As further improvement of the utility model, convex cover and this fixed head that the utility model is positioned on the fixed head are integral structure, and it is bad that convex cover easy to process and interior is difficult for by sled.
As another improvement of the present utility model, outer protecting cover of the present utility model, interior protecting cover and base plate link into an integrated entity by connector, and be more convenient when storing, transporting and installing.
Another improves as the utility model, and the protective cover device that the one-way locking screw passes behind outer protecting cover, interior protecting cover and the base plate successively with theftproof lock is fixed on the installation panel.Like this, bad even outer protecting cover is illegally prized, illegal molecule can't take out the one-way locking screw, thereby also interior protecting cover can't be disassembled from installation panel.
Description of drawings
Fig. 1 is the utility model decomposing schematic representation;
Fig. 2 is the generalized section after the utility model fits together;
Fig. 3 is that the utility model is installed in the schematic diagram on the door.
Among the figure: the fixed head 41 of base plate 1, dustproof sheet 2, outer protecting cover 3, interior protecting cover 4, the fixed head 31 of outer protecting cover, interior protecting cover, outer convex cover 32, interior convex cover 42.
The specific embodiment
Referring to Fig. 1 and Fig. 2..The protective cover device of the utility model theftproof lock it comprise base plate 1, dustproof sheet 2, outer protecting cover 3, interior protecting cover 4.Base plate 1 is roughly rectangular, offers a through hole at base plate 1 middle part, so that lock core can be from door-plate by stretching out this lockhole when installing, the size shape of this through hole is corresponding with lock core, offers a screw hole respectively on four angles of base plate 1.The fixed head 31 of outer protecting cover is roughly rectangular, convex cover 32 outside one is set in the centre of fixed head 31, outer convex cover 32 is fixed on the fixed head 31, fixing mode can be that outer convex cover 31 is welded together with fixed head 32, perhaps with outer convex cover 31 and fixed head 32 cast solids, certainly, also can adopt its connected mode.The size of outer convex cover 31 should be slightly larger than the through hole on the base plate 1, and the lock core that can will stretch out from the base plate through hole covers fully.Circular exterior lockhole is offered at the top of convex cover 32 outside.Dustproof sheet 2 is U-shaped, its U-shaped blind end stretches out the exterior lockhole that is positioned on the outer convex cover 32, a step that is used for U-shaped dustproof sheet 2 openends are carried out spacing depression is set at the edge of the convex cover 42 that is positioned at protecting cover 4, dustproof sheet 2 after limited maintains the gap with the lock core end face, so that lock core is free to rotate, the middle position of dustproof sheet 2 arranges a keyhole that can allow key free in and out, dustproof sheet 2 is positioned at outer convex cover 31 and will on the lock core other parts except keyhole be blocked, and prevents that dust, rainwater etc. from entering lock core.Interior protecting cover 4 base plate 1 and outside between the protecting cover 3, the fixed head 41 that is fixed on interior protecting cover by interior convex cover 42 forms, the shape of interior convex cover 42 should adapt with the through hole that is positioned on the base plate 1 with size, and interior convex cover 42 can cover the through hole on the base plate 1, and interior convex cover 42 is nested in the outer convex cover 32.Interior convex cover 42 adopts thicker steel plate or other metal material.Interior protecting cover fixed head 41 and outside on four angles of protecting cover fixed head 31, offer four screw holes respectively, size, the position of the screw hole on the size of screw hole, 1 four angles in position and base plate are corresponding, the one-way locking screw inserts above-mentioned screw hole, and interior protecting cover 4, outer protecting cover 3 and base plate 1 are fixed on the door-plate.Owing to set up interior protecting cover 4, protecting cover 4 is destroyed in can preventing; And four angles of interior protecting cover 4 are fixed by unidirectional lock screw, and protecting cover 4 is illegally dismantled in effectively preventing, and is therefore bad even outer protecting cover is prized, interior protecting cover 4 theftproof lock is still played a good protection.
The convex cover 42 that is positioned on the fixed head 41 is integral structure with this fixed head, and for example, fixed head 41 and interior guard shield 42 become one structure by casting, and it is bad that convex cover easy to process and interior is difficult for by sled.
Referring to Fig. 3, outer protecting cover 3, interior protecting cover 4 and base plate 1 link into an integrated entity by rivet, bolt or other connectors, are convenient to storage, transportation and installation.。
Fig. 3 is that the utility model is installed in the schematic diagram on the door.During installation, base plate 1 is positioned at the inboard of door panel, offer lockhole on the door-plate, lock core stretches out lockhole on the installation panel and the through hole on the base plate 1 successively from the door inboard, interior protecting cover 4 is nested in the outer protecting cover 3, the lock core that interior convex cover 42 on the interior protecting cover and the outer convex cover 32 on the outer protecting cover will stretch out installation panel shelters from, during installation, use four one-way locking screws to pass successively to be positioned at outer protecting cover fixed head 31,41 and base plate 1 on screw hole, the protective cover device of theftproof lock is fixed on the door.
Claims (5)
1. the protective cover device of a theftproof lock comprises base plate (1), dustproof sheet (2), outer protecting cover (3), offers a size and the shape through hole corresponding with lock core size and shape respectively on the described base plate (1); Described outer protecting cover (3) comprises a fixed head (31) and is positioned at outer convex cover (32) on this fixed head, and this outer convex cover (32) can hide the through hole on the base plate (1), and an exterior lockhole is offered at the top of outer convex cover (32); Described dustproof sheet (2) is positioned at outer convex cover (32) exterior lockhole inner and that will be positioned on the outer convex cover and hides, and this dustproof sheet (2) is offered a keyhole that can allow key free in and out; It is characterized in that: base plate (1) and outside between the protecting cover (3), also be provided with interior protecting cover (4),
ShouldInterior protecting cover (4) comprises a fixed head (41) and is positioned at convex cover (42) on this fixed head, an interior lockhole is offered at the top of interior convex cover (42), the size of interior lockhole is corresponding with size and the shape of described exterior lockhole respectively with shape, and interior convex cover (42) is nested in the outer convex cover (32) and the through hole that is positioned on the base plate (1) can be hidden.
2. the protective cover device of theftproof lock according to claim 1 is characterized in that: described dustproof sheet (2) is for U-shaped, and its U-shaped blind end stretches out the exterior lockhole that is positioned on the outer convex cover (32); The edge of lockhole arranges a step that is used for U-shaped dustproof sheet (2) openend is carried out spacing depression in described, and the dustproof sheet (2) after limited maintains the gap with the lock core end face.
3. the protective cover device of theftproof lock according to claim 1 and 2 is characterized in that: the described convex cover (42) that is positioned on the fixed head (41) is integral structure with this fixed head.
4. the protective cover device of theftproof lock according to claim 3, it is characterized in that: described outer protecting cover (3), interior protecting cover (4) and base plate (1) link into an integrated entity by connector.
5. the protective cover device of theftproof lock according to claim 4, it is characterized in that: the one-way locking screw is fixed on the protective cover device on the installation panel after passing outer protecting cover (3), interior protecting cover (4) and base plate successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320070340 CN203213712U (en) | 2013-02-07 | 2013-02-07 | Protecting cover device for anti-theft lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320070340 CN203213712U (en) | 2013-02-07 | 2013-02-07 | Protecting cover device for anti-theft lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203213712U true CN203213712U (en) | 2013-09-25 |
Family
ID=49203260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320070340 Expired - Fee Related CN203213712U (en) | 2013-02-07 | 2013-02-07 | Protecting cover device for anti-theft lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203213712U (en) |
-
2013
- 2013-02-07 CN CN 201320070340 patent/CN203213712U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20160207 |