ES2781079T3 - Safety lock system - Google Patents

Abstract

Locking system comprising a. a housing (40); b. an operation lock (33) mounted within said housing; c. a main locking latch (23) of the locking system movable between a fully displaced locking position and a fully retracted unlock position; d. a main locking latch maneuvering mechanism operable from outside said housing and configured to move said main locking latch (23) between the fully displaced locking position and a fully retracted unlock position, said locking mechanism being configured locking latch maneuver to be able to be locked by said operation lock (33); and. at least one safety interlock device; and said safety interlock device is disposed in the operation lock (33), said safety interlock device comprises a spring loaded safety latch system (9), a safety lock release (31), and a connector (41), for example in the form of a cable, that connects said safety latch system (9) to the safety lock release (31), characterized in that the safety lock release (31) is made of a brittle material , and is arranged to break when the operating lock (33) is manipulated and the safety latch system (9) is thereby released, and is arranged to lock said locking latch maneuvering mechanism.

Description

DESCRIPTION

Safety lock system

Technical field

The present invention relates to the general field of locking systems and more particularly to a locking system that cannot be unlocked if the locks of the locking system are tampered with.

Background of invention

Security storages and similar spaces for storing items such as weapons, explosives and valuable materials require doors that can resist illegal entry. One way to reinforce a door is to include concrete and / or various metals in the door material. However, this does not prevent illicit entry where the door is opened by tampering with or damaging the door locking systems. In some cases the locking system is manipulated with keys and key-like objects, while in other cases the locking system is manipulated by drilling or other ways of attacking the locking system.

Document US2823536 discloses a locking mechanism for a safe. A latch, which is driven by a compression spring, is received in a notch in a disk that can be rotated when subjected to manipulation. The disc is prevented from rotating by the latch, and the entire locking mechanism is thereby locked.

Document US2947160 discloses a locking device for a safe. If any one of the locking latches is subjected to a force in order to push it into a retracted position, re-locking means is activated to prevent retraction of all the locking latches in the device. The re-locking means may include links, locking side caps, etc.

Consequently, there is a need for a locking system that does not unlock when the locking system is tampered with.

Object of the invention

The aim of the present invention is to provide a locking system that cannot be unlocked if one or more locks of a locking system are tampered with.

Summary of the invention

The present invention relates to a locking system comprising a housing, an operating lock mounted within said housing, a main locking latch of the locking system that can be moved between a fully offset locking position and a fully unlocking position. retracted, a main locking latch maneuvering mechanism operable from outside of said housing and configured to move said main locking latch between the fully displaced locking position and a fully retracted unlock position, said mechanism being configured lock bolt maneuvering device to be able to be locked by said operation lock, and at least one safety lock device, and said safety lock device is arranged in the operation lock, said safety lock device comprises a system of resort actuated safety latch e, wherein a safety lock release, and a connector, for example in the form of a cable, connecting said safety latch system to the safety lock release, which is configured of a brittle material, and is arranged to breaking when the operating lock is manipulated and the safety latch system is thereby released, and is arranged to lock said locking latch operating mechanism.

Drawings

The invention is explained in detail below with reference to the accompanying drawing, in which:

Figure 1 is a partial exploded view of a first embodiment of a locking system;

Figure 2a is a schematic view of a second embodiment of a locking system;

Figure 2b is a schematic view of a cross section AA of the locking system in Figure 2a as well as an enlarged view of a section of the locking system;

Figure 3a is a schematic view of a locking system in Figures 2a-2c;

Figure 3b is a schematic view of a cross section BB of the locking system in Figure 3a as well as an enlarged view of a section of the locking system.

Detailed description of the invention

With reference to Figures 1-3 of the drawings, two specific exemplary embodiments of a specific locking system according to the inventive concept are illustrated, i.e. a locking system that is not possible to unlock if the locking system locks they are manipulated. The exemplary locking system in Figure 1 and Figure 2 show different configurations of the locking system.

The present invention relates to a locking system comprising

to. a housing (40);

b. an operating lock (33) mounted within said housing;

c. a main locking latch (23) of the locking system movable between a fully displaced locking position and a fully retracted unlock position;

d. a main locking latch maneuvering mechanism that can be operated from outside said housing and is configured to move said main locking latch (23) between the fully displaced locking position and a fully retracted unlock position, said locking latch driving mechanism to be able to be locked by said operating lock (33); and. at least one security locking device;

and said safety lock device is arranged in the operation lock (33), said safety lock device comprises a spring-loaded safety latch system (9), wherein a safety lock release (31) , and a connector (41), for example in the form of a cable, that connects said safety latch system (9) to the safety lock release (31), which is made of a brittle material, and is arranged to break when The operating lock (33) is manipulated and the safety latch system (9) is thereby released, and is arranged to lock said locking latch driving mechanism.

In the embodiments illustrated in Figures 1-3, the main lock latch drive mechanism comprises a coupling (3) that can be rotated about an axis of rotation and is operatively connected to the main lock latch (23) to converting a rotational movement of the coupling (3) into a rectilinear movement of the main locking latch (23). Furthermore, the coupling (3) is operatively connected to the main locking latch (23) with a main locking latch arm (17a) and the main locking latch arm (17a) is arranged perpendicular to the axis of rotation. . Furthermore, the main lock latch arm (17a) at their respective ends is supported on pivot joints arranged in the coupling (3) and the main lock latch (23). The coupling (3) is operated from outside the housing by a rotating device (45) that can be rotated by one operation. Furthermore, the locking system is configured to comprise one or more keyholes (39) that are aligned with one or more operation locks and wherein said keyholes are preferably disposed on the exterior of the housing.

Reference is now made to the embodiments illustrated in Figures 1-3 in which a locking pawl (20,46) is connected to the coupling (3) by means of a locking pawl arm (17b). The locking pawl arm (17b) is operatively connected to the locking pawl (20,46) to convert a rotational movement of the coupling (3) to a rectilinear movement of the locking pawl (20,46). The locking pawl (20,46) is arranged perpendicular to the axis of rotation of the coupling (3) and the operating lock (33) is configured to be able to block the mobility of the locking pawl (20,46) by means of of an operation lock latch (48) and thereby lock the mobility of the coupling (3) and the main lock latch (23). The preferred embodiments of the invention shown in Figures 1-3 comprise two operation locks (33), as well as two pairs of locking pawls (20,46) and two locking pawl arms (17b) that engage the pairs of respective locking pawls (20,46), which are all configured as described above. Furthermore, the embodiments are configured with one or more, for example 4 operation locks with associated safety locking devices.

The safety locking device comprises a spring-loaded safety latch system (9), a safety locking release (31), and a connector (41), for example in the form of a cable, that connects the system (9 ) from the safety latch to the safety lock release (31). The safety lock release (31) is configured from a brittle material such as glass, preferably a glass sheet. The safety lock release (31) is broken when the operating lock (33) is tampered with and consequently the safety latch system (9) is released. The safety latch system (9), in this embodiment is configured in a pair symmetrical of spring-loaded safety locking latches (7), configured to be able to block the mobility of the locking pawl (20,46) and comprises at least one spring, preferably two parallel springs. Consequently, when the operating lock (33) is manipulated, the safety lock release (31) breaks, the springs then release and force the safety lock latches into a recess in the pawl (20,46). respective locking device thereby blocking the mobility of said locking pawl (20,46). Consequently, the coupling (3) and thus the main locking latch (23) are immobilized and permanently locked, that is, it is not possible thereafter to unlock the locking system with operating keys. Instead, the door comprising the locking system has to be disassembled and / or destroyed in order to enter the space protected by the door. The embodiments of the invention shown in Figures 1-3 comprise two pairs of locking pawls (20,46) each being provided with an associated safety locking device configured as described above.

The preferred embodiments in Figures 1-3 comprise locking systems configured to comprise two keyholes (39), which are aligned with two operation locks (33) and two lock releases (31), and in which the keyholes are arranged on the outside of the case. In addition, the connector (41) in the preferred embodiments is preferably configured to be in contact with one or more rods (4) that have the function of pulleys that help to configure the components with space efficiency within the housing, provide a free passage for the connector when the lock release breaks due to tampering and distribute displacement spring force on the connector to allow for a firmer spring force that is retained by the safety lock release (31).

The spring loaded safety latch system (9) illustrated in the exemplary embodiments shown in Figures 1-3 comprises two parallel springs (44) that are attached to two parallel rods wherein the rods are connected to two security lock latches (7). The spring loaded safety latch system further comprises two additional rods, the first rod which is connected to one end of the connector (41) and the second rod (12) which may be in contact with the connector.

The casing comprises two preferably symmetrical side plates (40) provided with recesses that provide guides for the moving parts within the casing, ridges for the fixed parts within the casing, and screws for assembling the casing.

Although Figures 1-3 refer to locking systems with two operating locks (33), they are for the purpose of illustration only. A locking system according to the present invention may also comprise from one to four operation locks (33) and in which a safety interlock device is arranged in each of the operation locks (33).

The locking system according to the present invention can be made in a variety of sizes. One of ordinary skill in the art will understand that a variety of sizes are possible without compromising the utility of the locking system.

The locking system according to the present invention is used in any type of door. In particular, the locking system is used on doors that are intended to prevent illicit entry such as illicit entry into rooms and spaces where explosives, weapons and valuable belongings are stored. One of ordinary skill in the art will understand that there are a variety of doors, as well as other types of arrangements for keeping materials locked, into which the locking system according to the present invention can be deployed.

While the locking system according to the present invention has been described with reference to the specific example above in Figures 1-3, it is intended to be illustrative only and not to limit the disclosure, it is noted that changes, additions and / or deletions in the disclosed examples without departing from the scope of the disclosure. The scope of the disclosure is therefore not covered by any specific example, but rather by the following claims.

Claims (9)

1. Locking system comprising to. a housing (40); b. an operating lock (33) mounted within said housing; c. a main locking latch (23) of the locking system movable between a fully displaced locking position and a fully retracted unlock position; d. a main locking latch maneuvering mechanism operable from outside said housing and configured to move said main locking latch (23) between the fully displaced locking position and a fully retracted unlock position, said locking mechanism being configured locking latch maneuver to be able to be locked by said operating lock (33); and. at least one security locking device; and said safety interlock device is disposed in the operation lock (33), said safety interlock device comprises a spring-loaded safety latch system (9), a safety lock release (31), and a connector (41), for example in the form of a cable, that connects said safety latch system (9) to the safety lock release (31), characterized in that the safety lock release (31) is made of a fragile material , and is arranged to break when the operating lock (33) is manipulated and the safety latch system (9) is thereby released, and is arranged to lock said locking latch maneuvering mechanism. A locking system according to claim 1, wherein said main locking latch driving mechanism comprises a coupling (3) that can be rotated about an axis of rotation and is operatively connected to the locking latch (23) main to convert a rotational movement of the coupling (3) into a rectilinear movement of the main locking latch (23). A locking system according to claim 2, wherein said coupling (3) is operatively connected to the main locking latch (23) with a main locking latch arm (17a), wherein said locking arm (17a) main locking latch is arranged perpendicular to said axis of rotation. Locking system according to claim 3, wherein said main lock latch arm (17a) at their respective ends is supported on pivot joints arranged on the coupling (3) and on the main lock latch (23). Locking system according to any of claims 2-4, in which said coupling (3) is operated from outside the housing by means of a turning device (45). Locking system according to any of claims 2-5, comprising a locking pawl (20, 46) connected to said coupling (3) by means of a locking pawl arm (17b), said arm ( 17b) from the locking pawl to the locking pawl (20, 46) to convert a rotational movement of the coupling (3) into a rectilinear movement of the locking pawl (20, 46), wherein said locking pawl is arranged perpendicular in relation to the axis of rotation of said coupling (3) and in which said operating lock (33) is configured to be able to block the mobility of said locking pawl (20, 46) by means of a locking latch (48) and thereby block the mobility of the coupling (3) and the main locking latch (23). A locking system according to claim 6, wherein said safety latch system (9) is configured to be able to block the mobility of said locking pawl (20, 46). Locking system according to any preceding claim, wherein the safety latch system (9) comprises two parallel springs (44) attached to two parallel rods connected to the safety locking latches (7), as well as comprising two additional rods, the first rod which is connected to one end of the connector (41) and the second rod (12) optionally in contact with the connector. Locking system according to any of the preceding claims, configured with one or more, for example 2-4 operation locks with associated safety locking devices.