CN102016204A

CN102016204A - Break-in resistant lock

Info

Publication number: CN102016204A
Application number: CN2008801291312A
Authority: CN
Inventors: F·弗斯缇尼; M·纳尔多尼
Original assignee: CISA SpA
Current assignee: CISA SpA
Priority date: 2008-05-06
Filing date: 2008-05-06
Publication date: 2011-04-13
Also published as: EP2304136A1; WO2009136418A1; EP2304136B1; UA98392C2; ZA201008360B

Abstract

A break-in resistant lock (1) comprising a box-like body (2) for accommodating a plurality of contoured plates (3) provided with a respective portion which is suitable for detachable engagement on a corresponding area of a rod (4) which can perform a translational motion and supports, at its free end (5), at least one bolt (6) which can retract jointly with the rod (4). The plates (3) can perform a vertical translational motion by way of the action of the key and release the translational motion, when they are lifted, of the rod (4) and of the bolts (6) for their retraction and protrusion. At least one of the plates (3) is constituted by a respective rear plate (7) and by a respective front tumbler (8), which are mutually coupled by means of a complementary contoured portion provided on their mutually facing edges (9). The front tumbler (8) comprises a protruding arm (10), which is interposed between the front of the rear plate (7) and a protective housing (11). The arm (10) has a shape and dimensions which are complementary to the interspace provided between the plate (7) and the housing (11) to prevent the possibility to access the plate (7) with break-in tools.

Description

Break-in resistant lock

Technical field

The present invention relates to a kind of break-in resistant lock, the class lockset that especially available twolip is key operated.

Background technology

The lockset relevant with the twolip key is made of main box-like body, and this main box-like body is provided with (substantial transverse) pedestal, and this pedestal is suitable for inserting key.

In case insert, key just is arranged to its coded portion and aligns with a plurality of encoding boards (being commonly referred to system bolt (tumbler)), and these encoding boards can carry out the part translation along preset direction.

Moving of the key rotation in pedestal causing plate (system bolt), this disengagement with driving lever (its common and plate interference fit) is complementary: so this driving lever can be made into by the rotatablely move realization translational motion of key at pedestal.

Dead bolt stably is connected on the front portion of driving lever; The translational motion of driving lever makes dead bolt stretch out from the leading edge of lock, and the result makes its stable being engaged in the holder of doorframe, thereby has guaranteed to install correctly the closing of door of this lock.

Because this large scale can be used for the embodiment of armor types, therefore such lock is guaranteed the good defence to destructive intrusion.

But this type subjects to be commonly referred to the intrusion of picking lock.

These technology adopt special instrument insertion to be suitable for holding in the pedestal of key: by means of these instruments, by keeping driving lever edge and the corresponding direction tension of dead bolt withdrawal, the burglar can make plate each " rise " until driving lever is unclamped respectively, and described driving lever is owing to the mechanical pulling force that applies is withdrawn.

Although these intrusion technology are quite complicated, they have obviously high chance of success, so, make all twolip key locksets all dangerous basically.

Summary of the invention

The purpose of this invention is to provide a kind of break-in resistant lock, this lockset is provided with and is suitable for resisting the device that falls into any intrusion in the picking lock scope.

Based on this purpose, but target of the present invention provides break-in resistant lock a kind of recompile type, that use the twolip key, and this lockset is provided with and is suitable for resisting the device that falls into any intrusion in the picking lock scope.

Another target of the present invention provides a kind of break-in resistant lock cheaply, and this lockset production enforcement is simple relatively and application safety is reliable.

More significantly this purpose and these and other target realize by a kind of break-in resistant lock that proposes hereinafter; this lockset comprises the box-like body that is used to hold a plurality of forming boards; forming board is provided with the appropriate section on the corresponding region that is suitable for being engaged in separably driving lever; at least one dead bolt that driving lever can carry out translational motion and can withdraw with described driving lever in the supporting of its free end; effect by key; described plate can carry out vertical translational motion; and when plate rises; unclamp the translational motion of described driving lever and described dead bolt; they are stretched; in the described plate at least one is made of corresponding back panel and respective front system bolt; they are coupled to each other by the complementary shaped portion that is arranged on its opposed facing edge; it is characterized in that; described anterior system bolt comprises protruded arm; protruded arm is between the front portion and protectiveness housing of back panel; described arm has and is arranged on the shape and size of the intermediate space complementation between described plate and the described housing, thereby prevents with the possibility of intrusion instrument near plate.

Description of drawings

Further feature of the present invention and advantage will by accompanying drawing with the preferable of the break-in resistant lock shown in the non-restrictive example mode but more manifest in the following detailed description of non-exclusionism embodiment and obviously, in the accompanying drawing:

Fig. 1 is the partial cross-sectional perspective view during according to lockset oblique structure of the present invention;

Fig. 2 is the details enlarged drawing of Fig. 1 stereogram;

Fig. 3 is that lockset according to the present invention is the partial cross-sectional perspective view when tilting the structure of different angles with respect to Fig. 1;

Fig. 4 is the details enlarged drawing of the stereogram of Fig. 3.

The specific embodiment

With reference to accompanying drawing, the Reference numeral 1 overall break-in resistant lock that indicates.

Lockset 1 comprises the box-like body 2 that is used to hold a plurality of forming boards 3, forming board 3 is provided with the appropriate section (not shown) on the corresponding region that is suitable for being engaged in separably movable driving lever 4, and driving lever 4 can be with at least one dead bolt 6 of driving lever 4 withdrawals in its free end 5 places supporting.

Four concrete with reference to embodiment shown in the drawings, that driving lever 4 (with its end 5) supporting is arranged with plan-parallel structure dead bolts 6.

By the effect of key (not shown), each plate 3 can carry out vertical translational motion, and plate 3 is designed to: when they rise, unclamp the translational motion of driving lever 4 and the translational motion of therefore unclamping dead bolt 6, thereby carry out the flexible of them.

In each plate 3 at least one is by corresponding back panel 7 (be suitable for directly joining with driving lever 4 associations and make dead bolt 6 carry out the plate 7 of translational motion) and respective front system bolt 8 (between its soffit 8a formation lockset 1 period of energization work against it in the surface of key abut part) formation.

Plate 7 and system bolt 8 partly are coupled to each other by the complementation formation shape that is arranged on its opposed facing edge 9: shaped portion (being zigzag in the accompanying drawings) is designed so that plate 7 and system bolt 8 can be coupled to each other according to a plurality of not isostructures, guarantee to lockset 1 coding.Must carry out recompile according to the peculiar method of the concrete lockset 1 that is using by using appropriate key or special tool.

Anterior system bolt 8 comprises protruded arm 10, and this protruded arm 10 is between the front portion and protectiveness housing 11 of back panel 7.

In order to ensure defending intrusion best, arm 10 has and is arranged on the shape and size of the intermediate space complementation between plate 7 and the housing 11, thereby prevents with the intrusion instrument near plate 7.

In conventional lockset, the intrusion instrument can be inserted between housing 11 and the conventional system bolt: like this, instrument can contact with plate 7, produces its translational motion.This translational motion is unclamped driving lever 4 and therefore dead bolt 6 can be withdrawn.

The existence of the arm 10 of system bolt 8 makes can not be near plate 7, and stops that therefore any intrusion attempts.

Protruded arm 10 is with respect to front portion system bolt 8 downward and lateral arrangement.

Should be noted that according to the application especially preferred embodiment at least two that are present in the various system bolts 8 in the correspondingly configured plate 3 have protruded arm 10.

Guarantee the specific embodiment of lockset 1 according to the present invention for the maximum security of intrusion according to being suitable for, the ownership bolt 8 of forming board 3 all has corresponding protruded arm 10.

The part 12 of protectiveness housing 11 is towards the end 13 of arm 10 and be positioned at end 13 near arm 10, and this end is integrally connected to system bolt 8.

This part 12 is 13 tapered towards the end, and its taper 14 13 is shelved (or towards and near this end 13) against the end.

More particularly, end 13 comprises and abuts part 15 (being made of little general planar step), and this abuts part 15 and is used to make its surface with stable the shelving of surface complementarity arrangement with respect to the taper 14 of housing 11.

According to an alternative embodiment, abutting part 15 can be only towards the surface of taper 14 or near this surface.

According to a possible embodiment, arm 10 can 13 places be connected to system bolt 8 rigidly in the end by suitable anchor device.Should be noted that system bolt 8 generally includes arm 10: thereby they form one.

Therefore, invention has realized the purpose and the target that are proposed as can be seen.

Gou Si the present invention can carry out various changes and remodeling like this, and all these falls in the scope of appending claims.

All details also can be replaced by other equivalent technologies means.

Shown in exemplary embodiment in, in fact each feature that provides about instantiation can exchange with other different characteristic of existing in other exemplary embodiment.

In addition, it should be noted that, all be interpreted as not having prescription and disclaimer in view of the above in application process, being found to be known any content.

All follow the drawings attached mark behind the technical characterictic of in any claim, being mentioned, comprise these Reference numerals and only be in order to increase the intelligibility of claims, so these Reference numerals do not have any restriction for the explanation by each element of these Reference numerals identifications.

Claims

1. break-in resistant lock; comprise the box-like body (2) that is used to hold a plurality of forming boards (3); described forming board (3) is provided with the appropriate section on the corresponding region that is suitable for being engaged in separably driving lever (4); described driving lever (4) can carry out translational motion and locate supporting at its free end (5) can be with at least one dead bolt (6) of described driving lever (4) withdrawal; effect by key; described plate (3) can carry out vertical translational motion; and when described plate rises; unclamp the translational motion of described driving lever (4) and described dead bolt (6); thereby described driving lever (4) and described dead bolt (6) are stretched; in the described plate (3) at least one is made of corresponding back panel (7) and respective front system bolt (8); described corresponding back panel (7) and respective front system bolt (8) are coupled to each other by the complementary shaped portion that is arranged on its opposed facing edge (9); it is characterized in that; described anterior system bolt (8) comprises protruded arm (10); described protruded arm (10) is between the front portion and protectiveness housing (11) of described back panel (7); described arm (10) has and is arranged on the shape and size of the intermediate space complementation between described plate (7) and the described housing (11), thereby prevents with the possibility of intrusion instrument near described plate (7).

2. lockset as claimed in claim 1 is characterized in that, described protruded arm (10) is downward and lateral arrangement with respect to described anterior system bolt (8).

3. lockset as claimed in claim 1 is characterized in that, at least two in the described system bolt (8) of correspondingly configured plate (3) have protruded arm (10).

4. lockset as claimed in claim 1 is characterized in that, the described system bolts of all of described forming board (3) (8) all have corresponding protruded arm (10).

5. lockset as claimed in claim 1; it is characterized in that; the part (12) of described protectiveness housing (11); end (13) towards the described system bolt of being integrally connected to of described arm (10) (8) is also tapered towards described end (13) near the described part (12) of described end (13), and the taper (14) of described part (12) is roughly arranged near described end (13).

6. the described lockset of claim as described above, it is characterized in that, described end (13) comprise be used near the general planar of aiming at abut part (15), the described part (15) that abuts is in the described layout that abuts the surface of part (15) with respect to the surface complementarity of the described taper (14) of described housing (11).

7. one or multinomial described lockset in the claim as described above is characterized in that described arm (10) is located to be integrally connected to described system bolt (8) by suitable anchor device in described end (13).