ES2522903T3 - High security lock - Google Patents

Abstract

High security lock (1, 1 ') comprising a locking mechanism with - a blocking element (2), the blocking element (2) being mobile between a "locked" position and a "unlocked" position, and - a spring load (3a, 3b), the spring load (3a, 3b) acting in such a way on the locking mechanics that the blocking element (2) moves from the "unlocked" position to the "locked" position and - a clamping device that is configured independently of the spring load (3a, 3b) to maintain the placement of the blocking element (2) in the "locked" position, the clamping device presenting a permanent magnet (4 ) which holds the locking mechanism in the position in which the blocking element (2) is in the "locked" position, and the clamping device comprising a locking latch (6) which is configured to close the blocking element (2) in the "locked" position and the image being arranged permanent anchor (4) in the closing latch (6), characterized in that the closing latch (6) comprises a two-arm pivoting lever, one of whose arms is a closing lever (8) that is functionally communicated with the blocking element (2), such that the blocking element (2) can be closed by the closing lever (8) in the "locked" position, and whose other arm is a clamping lever (9), and - because there is a lock housing (7) comprising a magnetic material (5) which by means of an interaction with the permanent magnet (4) is configured to hold the locking mechanics in the position in which the locking element ( 2) is in the "locked" position and - because the permanent magnet (4) is communicated with the clamping lever (9) of the latch latch (6) that stops in the "locked" position of the locking element ( 2) against a stop zone (10) on the side of the housing with the magnetic material (5), of such so that the permanent magnet (4) interacts with the magnetic material (5).

Description

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DESCRIPTION

High security lock

The invention relates to a high security lock comprising a locking mechanic that has a locking element, a spring load and a clamping device, the mobile blocking element being between a "locked" position and an "unlocked" position. "and the spring load acting on the locking mechanics in such a way that the blocking element is moved from the" unlocked "position to the" locked "position and the clamping device being configured, independently of the spring load to maintain the placement of the blocking element in the "locked" position, the clamping device presenting a permanent magnet that holds the locking mechanism in the position in which the blocking element is in the "locked" position, and comprising the fastening device a latch latch that is configured to close the locking element in the "locked" position and the image being arranged n permanent locking latch.

In general, locks are known in the state of the art whose mechanics are configured independently of the spring load to maintain the placement of the blocking element in the "locked" position and in which a permanent magnet holds the locking mechanics in the position in which the blocking element is in the "locked" position. For example, US 5,755,126 describes a lock for a cargo container in which the blocking element is held both by a spring and by a permanent magnet in the "locked" position. In EP 1 669 524 A1 a lock is described in which a locking latch is pivoted by the repulsion of two magnets in such a way to a housing in the locking element, which cannot move backwards. The locks and, in particular, the door locks for high security applications (hereinafter referred to as "high security lock") are characterized by both high resistance values and high functional reliability and low handling. Typical fields of application of such high security locks are, for example, in high security areas, in the field of complete trains, etc. A typical high security lock is known, for example, from DE 38 75 642 T2.

Usually, known high-security locks have traction, compression, spiral, or branch springs that act on the locking element that is, for example, a bolt, such that the spring elements press the same to the "locked" position to ensure a high security lock closure. Therefore, "locked" position should be understood as such a position of the blocking element in which it blocks a door. For this, the high security lock is usually embedded in a door leaf, the locking element protruding to block the door, that is, in its "locked" position, above the skirt of the door leaf side and entering a notch on the side of the door frame that is surrounded, for example, by a closing plate. Therefore, the closing security of such high security locks depends fundamentally on the integrity of the spring elements that press the locking element to the "locked" position. However, these spring elements are not always resistant in continuous service, so if, for example, the spring elements are broken, the intact functionality of the high security lock is no longer guaranteed, since, in this case , the spring element no longer displaces or rotates the blocking element to the "locked" position. Rather, there is a danger that, after a spring break, the locking element pivots to a position that releases the door, since the spring load has been suppressed. Therefore, in this way an unwanted unlocking of the high security lock can occur. This goes against the high security concept of such a lock.

Furthermore, in general, it is desirable to enable a particularly wide application spectrum of a high security lock and, in particular, of a high security lock electromagnetically operable, that it can be put into service both according to the principle of working current like the one of rest current. In the case of the principle of working current, the door is unlocked during activation and, therefore, can be opened in case of contact establishment. On the contrary, in the case of the standby current principle, the door is always locked while the power is connected. If, in the event of a contact establishment or a power failure, the power is cut off, the door is unlocked and therefore can be opened. Therefore, in both functional principles, for the control of the blocking state, depending on the blocking state, an application of durable electric current is necessary during certain periods of time to an actuator that usually represents a booster electromagnet coil.

To a high security lock that works according to the principle of working current, electric current must be applied, for example, for unlocking. Correspondingly, in order to lock and maintain the state of blocking of high security locks in an embodiment with idle current, a durable electric current application is necessary. The application of electric current causes, as a whole, a heating that heats both the lock and the door leaf. In a specific case, this heat generation can even reach the point where critical temperatures for inflammation can be reached, in particular, in wooden doors. This risk is also in contradiction with the high security concept of a high security lock.

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Therefore, the functional integrity of the known high security locks depends entirely on the functional capacity of the spring elements and a usually electromagnetic activation unit. In this regard, finally, the electromagnetic activation unit is the component that activates an unlocking or locking of the high security lock by means of an electric current application. Normally, in this case, it is a lifting electromagnet with a coil. These electromagnetic activation units and spring elements are problematic in the field of high security due to their susceptibility to manipulation. In addition to the problem of the breakage of springs already mentioned, which can cause, for example, an unwanted unlocking of the lock depending on the embodiment of the high security lock, the electromagnetic activation unit, in particular, is also susceptible to manipulations that allow an unjustified unlocking of a locked door with a generic high security lock, as would be the case, for example, in a power failure in high security locks that are made according to the idle current principle.

Therefore, the invention is based on the objective of specifying a high security lock having a particularly high functional safety. This refers in particular to the guarantee of the functional integrity of the blocking element, regardless of whether the spring element by which the blocking element is loaded is capable of functioning. However, this also refers to a particularly high handling safety and reduced heat generation of the high security lock.

The objective is achieved with a high security lock according to the independent claim. Preferred improvements are indicated in the dependent claims.

The central concept of the invention is to provide a high security lock with at least one redundancy function. In this regard, redundancy function within the meaning of the invention should be understood as the existence of additional means or devices with the same functional effect, so that an intact operation of the high security lock is guaranteed by the existing means of redundant way or the existing device redundantly also in case of failure of an element, such as the breakage of a spring element.

A blocking process of a generic high security lock usually comprises at least steps a) actuation of an electromagnetic activation unit, b) movement of a blocking element from an "unlocked" position to a "locked" position and c) stabilization of the blocking element in the "locked" position. Therefore, a high security lock according to the invention is provided for the closing / blocking of objects and, in particular, of doors. For this, the high security lock is embedded, for example, in a door leaf that is surrounded by a door frame. On the side of the door frame, a notch is provided in which a locking element, such as a bolt, which protrudes from the high security lock on the side of the door leaf in the "locked" position can be entered. Therefore, in the "locked" position of the locking element, a closed and secured door cannot be opened with a high security lock according to the invention. For unlocking, the blocking element is moved from the "locked" position to the "unlocked" position. For this, the locking element is inserted, pivoted inwards, etc., for example, in the high security lock. Therefore, in the "unlocked" position, the secured object can be opened with the high security lock or a door provided with a high security lock according to the invention.

The redundancy function increases the security of blocking a high security lock to the extent that the components that fail are compensated by existing components or mechanisms in parallel in their way of operation. This may be, for example, an additional stabilization of the blocking element in the "locked" position. For this, in particular, the use of a magnet and, in particular, of a permanent magnet has proven to be particularly suitable, since, in addition to the high functional reliability, it requires little comparative space and, therefore, is particularly suited well to the confined spaces in high security locks. According to the invention, it is provided that the magnet and, in particular, the permanent magnet be arranged in the high security lock in such a way that it interacts with a magnetic material to stabilize the blocking element in the "locked" position when the element Lock is in the "locked" position. The magnet that interacts with a magnetic material then compensates for the failure, if necessary, of a spring element that acts towards the "locked" position on the blocking element. Therefore, the magnet that holds the locking element in the "locked" position receives the blocking element despite a defective spring load, whereby only one placement of the blocking element in the position has been guaranteed so far. "locked" only in the state of the art. For this, it is possible that the magnet and, in particular, the permanent magnet does not act directly on the blocking element itself or is disposed on the blocking element itself, but, for example, acts on parts of a blocking mechanics that place the blocking element or be arranged in them.

In addition, according to the invention, a stabilization, depending on the force of gravity, of the blocking element in the "locked" position is also provided. By a stabilization dependent on the force of gravity in the sense of the invention, a stabilization of the blocking element that uses the force of gravity as a motor spring to bring and / or hold the blocking element to the position must be understood

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"blocked up". This includes, for example, the use of a pivoting bolt which, in its center of gravity position is arranged in the high security lock so that it pivots itself to a position, if they do not oppose the free pivoting movement of the bolt. pivoting counter spring forces or forces acting by other means on the locking element, in which the pivoting bolt stabilizes the locking element in the "locked" position. In this regard, a stabilization of the blocking element should, for example, be understood as a closure, retention or immobilization of the blocking element, the pivoting lever being able to act directly or also indirectly on the blocking element. Therefore, in a complementary manner, within the framework of the invention it is also possible to design a locking mechanic that controls the placement of the locking element, such that the locking mechanics is functionally communicated with the locking element and the mechanics of blocking or parts of the locking mechanics stabilize the locking element in the "locked" position depending on the force of gravity.

In addition, the method for locking a high security lock may comprise a switching to a clamping function and, in particular, a clamping function electromagnetically controllable to retain the bolt. The clamping function is preferably configured as an electromagnetically controllable clamping function. In the case of the holding function it is a function that immobilizes the placement of the locking element in the "unlocked" position and / or in the "locked" position, separated from the activation unit. Therefore, the normally electromagnetically controllable activation unit of the high security lock is released by the clamping function and, in particular, by the electromagnetically controllable clamping function according to a movement of the blocking element activated by the control unit. activation, for example, from the "unlocked" position to the "locked" position or vice versa. This release may comprise an additional connection of the holding function to the activation unit if the locking element has moved the bolt to the "locked" position and / or to the "unlocked" position. However, it is also possible that the electromagnetic activation unit is used exclusively for a displacement of the blocking element between the "unlocked" position and the "locked" position and that the immobilization of the blocking element be achieved exclusively by the holding function . In order to coordinate this process development, there may also be control means that control the switching processes of the clamping function and the activation unit with each other.

Finally, the redundancy function can also complementaryly comprise a coupling of a fully mechanically operable locking mechanism. Therefore, according to the invention it is possible to unlock and / or lock the high security lock by means of a locking mechanism independently of the electromagnetic activation unit. This can be done, for example, by means of a handle or by a key operated mechanism. For this purpose, according to the invention, a locking mechanism is provided in the high security lock actuation mechanism which can be optionally coupled to lock and / or unlock the high security lock. The locking mechanism is correspondingly designed in such a way that it is possible to operate the high security lock by means of the electromagnetic activation unit in the normal case. In case of failure of the electromagnetic activation unit, the fully mechanically operable locking mechanics which, therefore, enables unlocking or locking of the high security lock parallel to the electromagnetic activation unit, can be additionally connected by a coupling process This function therefore facilitates a lock and / or unlock, independent of the electromagnetic activation unit, of the high security lock. In this regard, the configuration of this fully mechanically operable locking mechanic has been distinguished as particularly preferred as a mechanical enclosure function. Therefore, with such a configuration of the fully mechanically operable locking mechanics a high security lock can be guaranteed, for example, also during a power failure, or it is possible to avoid a high security lock unlock due to a power failure through a completely mechanical enclosure. This is particularly advantageous in the case of high security locks that are made according to the principle of working current, since activation or application of manipulative electric current of the activation unit is not possible while the high security lock is locked. mechanically.

Therefore, the coupling of the fully mechanically operable locking mechanics is preferably configured such that the position of the fully mechanically operable locking mechanics is more functionally relevant than the function of the unit. of electromagnetic activation. A high-security lock of the lock activated by the fully mechanically operable locking mechanism ensures, correspondingly, the placement of the locking element in the "locked" position, regardless of the placement or activation / deactivation of the activation unit electromagnetic

In addition, the objective is achieved with a high security lock comprising a clamping device that is configured independently of the spring load to maintain the placement of the blocking element in the "locked" position. Therefore, in accordance with the invention, a clamping device is provided which guarantees an immobilization of the placement of the blocking element in the "locked" position even if the spring load cannot continue to hold the blocking element in the " blocked "due to a spring break or the like. Therefore, the clamping device exists to ensure the placement of the element of

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redundantly blocking the spring load of the blocking element. This is particularly advantageous in the field of high security, in particular since there the guarantee of the state of closure of a high security lock is of particular importance.

It has been found that a clamping device according to the invention with a magnet and, in particular, with a permanent magnet that holds the locking mechanism in the position in which the locking element is in the "locked" position is particularly sure. The use of a permanent magnet has the advantage that it enables reversible immobilization of the locking mechanics regardless of a power supply or spring load. Therefore, the locking element is held at the same time independently of the spring load in the "locked" position and, however, can also move to the "unlocked" position after overcoming the clamping force caused by the magnet. In particular, the use of a permanent magnet is advantageous in this context, since the space requirements of a permanent magnet are comparatively low, so that the clamping device according to the invention can be integrated relatively smoothly in the proportions of Reduced space of a high security lock.

In accordance with the invention, the clamping device comprises a locking latch that is configured to close the locking element in the "locked" position, the permanent magnet being arranged in the locking latch. The closing latch is part of the locking mechanism and can move at least between a position that closes the blocking element in the "locked" position and a position that releases the blocking element in the "locked" position. If the locking latch closes the locking element in the "locked" position, the locking element cannot be moved to the "unlocked" position. By means of an arrangement of the permanent magnet in the closing latch, advantageously no additional component carrying the permanent magnet is necessary. So that the permanent magnet can hold the closing latch in the position that closes the blocking element in the "locked" position, according to the invention there is also a magnetic material that can interact with the permanent magnet. For this, the magnetic material is arranged in such a way that the permanent magnet disposed in the closing latch can interact with the magnetic material in the position in which the bolt closes in the "locked" position. An interaction between the permanent magnet and the magnetic material can be achieved, for example, by a direct stop of the permanent magnet in the magnetic material. However, as an alternative, for the interaction both components can be spaced apart from each other at a distance at which, although it is true that there is no direct contact, the permanent magnet can continue to interact with the magnetic material. Correspondingly, for example, non-magnetic spacers or also air or an air gap between the two components may be provided in the interaction state.

To provide the magnetic material there is, according to the invention, a lock housing comprising the magnetic material that is configured to hold the locking mechanics in the position in which the blocking element is in the "locked" position by means of a interaction with the permanent magnet. In the case of the magnetic material, it is preferably a metal with magnetic properties that, for example, is arranged in the lock housing or which is formed by the lock housing itself. The last embodiment has the advantage that there is no need for any additional component to provide the magnetic material. In addition, preferably, the magnetic material is disposed in the interior space of the lock housing, so that the clamping device is completely surrounded by the lock housing and, therefore, is particularly well protected against external influences.

In the embodiment according to the invention, the clamping device and, in particular, the closing latch comprises a two-arm pivoting lever, one of whose arms is a closing lever that is functionally communicated with the locking element. so that the locking element can be closed in the "locked" position by means of the closing lever, and whose other arm is a clamping lever that is configured such that it maintains the placement of the blocking element in the "locked" position. "with functional independence of the spring load.

In addition, according to the invention, the above embodiment is suitable for combination with a permanent magnet. For this, the permanent magnet is communicated with the clamping lever of the closing latch that stops in the "locked" position of the blocking element against a stop area on the side of the housing with the magnetic material, such that the Permanent magnet interacts with the magnetic material. Therefore, a defect in the spring load does not cause unwanted unlocking of the high security lock. In addition, the pivoting lever in the position that closes the blocking element is additionally held in the position that closes the blocking element by means of the permanent magnet that interacts with the magnetic material. Therefore, this embodiment is particularly safe with respect to maintaining the placement of the blocking element in the "locked" position.

The two-arm pivoting lever is preferably configured such that the closing lever and the clamping lever are arranged substantially orthogonal to each other and the clamping lever, in the position in which it holds the locking mechanism in The position in which the locking element is in the "locked" position, has its path parallel to a rear wall that delimits out the security lock and located opposite an exit notch for the blocking element. With this embodiment, several advantages can be joined simultaneously. On the one hand, the back wall of the housing can

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used as a flat stop zone for the clamping lever, so that no additional components are necessary to form the stop zone. On the other hand, the arrangement of the clamping lever and the closing lever at right angles to each other requires a particularly favorable force deviation of forces transmitted to the blocking element and the locking mechanics. Even if drastic manipulation attempts are made, the functional integrity of the high security lock in this embodiment is particularly reliably guaranteed.

In particular in long-term applications, it has been shown that the use of a permanent magnet, if necessary, can cause remanence manifestations, that is, a persistent magnetization of the magnetic material caused by the permanent magnet. This refers in particular to the use of ferromagnetic bodies as magnetic material. Therefore, according to the invention it is advantageous that a non-magnetic material and, in particular, an air gap between the permanent magnet and the material that interacts with the permanent magnet to hold the locking mechanics in the position in which the Locking element is in the "locked" position. Furthermore, by varying the distance of the permanent magnet from the magnetic material, it is possible to vary the magnetic clamping force and, thus, to satisfy individual demands particularly well or to counteract temporary variations of the magnetic clamping force by adapting the spacing of the magnet. Permanent and magnetic material.

A preferred improvement of the invention is characterized in that it has a clamping device and, in particular, an electromagnetically controlled clamping device that is configured in such a way that it is switchable to a "closing" position in which it retains the position of the mechanical locking In this aspect of the invention, the concept of redundancy encompassing the invention refers to the release of blocking mechanics. It usually has an electromagnetic activation unit comprising, for example, a coil and a mobile lifting electromagnet in relation to the coil. The electromagnetically controlled clamping device releases the blocking mechanics and, in particular, the electromagnetic activation unit while maintaining the placement of the blocking element. On the one hand, in this way it is possible to retain the locking mechanics in the "locked" position or in the "unlocked" position also in the case of a defective locking mechanics and, in particular, in the case of a unit Electromagnetic activation defective. On the other hand, there is the possibility, in particular with an electromagnetic activation unit, of configuring this unit smaller than in the case of high security locks known in the state of the art. Therefore, the generation of heat that occurs simultaneously in the service of the electromagnetic activation unit can be effectively reduced, so that it is possible to effectively prevent the reaching of critical temperatures for inflammation, in particular, when using wooden doors. The electromagnetically controlled clamping device can be configured in such a way that it acts directly on the blocking element. However, as an alternative it is also possible to provide an indirect effect on the blocking element, in particular, by means of the blocking mechanics.

A fastening device according to the invention has shown to be particularly advantageous, preferably comprising an electromagnetically controllable closing frame that is switchable between the "closing" position and a "release" position in which the locking mechanics is released. The closing frame may, for example, be a lever that closes the locking mechanism in the "closing" position and, thus, retains the locking element in a predefined position.

In addition, in order to close the locking mechanics, the use of an electromagnetic activation unit with a coil and a lifting electromagnet in which a fitting means that is configured in such a way that the closing frame for the locking device is arranged is particularly favorable. Locking mechanical closure is engaged with the fitting means. Therefore, the clamping device acts directly on the part of the locking mechanics through which a remote control unlocking of the high security lock is possible. For this, a fitting means is provided, in which case, according to the invention, it can be, for example, lace tabs, projections, etc. whose common feature is the possibility of enabling a gear of the closing frame to close the locking mechanism. For this, the engagement means is configured at least in such a way that it can block a movement of the locking mechanics at least from one position to the other position, that is, for example, from the "locked" position to the " unlocked. "

Preferably, there is a control unit that is configured to control the clamping device and, in particular, the closing armature depending on the operating state of the activation unit. Therefore, the activation unit allows an activation of the clamping device not to be initiated until the activation unit has moved the locking mechanism to the position that the clamping device must close. This embodiment has several advantages simultaneously. On the one hand, it is guaranteed that the clamping device is activated exclusively to close the locking mechanism. In this way, the heat generation caused by the electromagnetic clamping device can be further reduced. On the other hand, it is also ensured that the functional development of the clamping device or the locking mechanism runs synchronously with the operating state of the clamping device. In this context, synchronization should be understood as such a control of the high security lock that the clamping device is only activated when a clamping device is possible or desired, that is, for example, after the unit Electromagnetic activation has moved the blocking element from the "locked" position to the "unlocked" position or vice versa.

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In a preferred embodiment, the high security lock is made according to the principle of idle current, the clamping device being configured such that, in its "closing" position, it closes the bolt in the "locked" position . This closure can be achieved by a direct effect of the clamping device on the blocking element or also by an effect of the clamping device on the locking mechanics. The realization of the high security lock according to the principle of idle current means that, in order to block the high security lock and to maintain the locked state, an application of durable electric current to the high security lock is necessary. The concept of redundancy according to the invention for the release of the electromagnetic activation unit is used in a particularly representative manner in this case. In this way, the assurance of the blocking state in this embodiment is carried out not only by means of the electromagnetic activation unit, but in a complementary manner by means of the clamping device. Correspondingly, it is possible to realize the smallest electromagnetic activation unit of what is known in the state of the art, so that the generation of heat caused by the application of electric current to the electromagnetic activation unit is reduced.

In a preferred embodiment, the high security lock is configured according to the principle of working current, closing the clamping device in the "closed" position of the bolt in the "locked" position. In this embodiment, a durable electrical current application to the high security lock is necessary to unlock and to maintain the unlocked service state of the high security lock. The clamping device located in the "closing" position allows the locking of the bolt in the "unlocked" position, so that, also in this case, the clamping device according to the invention releases the lock activation unit High security during the electric current application interval.

The combination of the aforementioned clamping device, which is configured independently of the spring load to maintain the placement of the locking element in the "locked" position, with a clamping device according to the invention has proved particularly favorable. , electromagnetically controlled, described above, which is configured in such a way that it is switchable to a "close" position in which it retains the position of the locking mechanics. In this way, in parallel, a release of the electromagnetic activation unit is achieved and, at the same time, the functionally independent guarantee of the spring load that the locking element is held in the "locked" position.

A further refinement of the invention to implement the concept of redundancy is achieved by a bridging mechanic that is configured for the movement of the blocking element from the "unlocked" position to the "locked" position, completely mechanical and independent of the electromagnetic activation unit. Therefore, the bridging mechanics is configured in such a way that it allows a lock of the high security lock regardless of the functional integrity or activation of the electromagnetic activation unit. Therefore, bridging mechanics are expected to be more functionally relevant, at least with respect to the blocking process of the electromagnetic activation unit. That is, the blocking element can also be moved by the bridging mechanism to the "locked" position if the electromagnetic activation unit is in a position that unlocks the blocking element or is defective. Conversely, in addition, the bridging mechanics is configured so that a high-security lock of the lock caused by the bridging mechanics is not voidable only by the electromagnetic activation unit. For this, a previous return movement of the bridging mechanism to the position in which the locking element is in the "unlocked" position is necessary. This embodiment is advantageous in the sense that, for example, in the case of a power failure in which the electromagnetic activation unit is no longer operable, the high security lock can be locked or the high security lock can be locked by bridging mechanics independently of the activation unit or independently of an intact power supply of the high security lock safely. For this, the bridging mechanics is operable in a particularly preferred embodiment in some way manually, for example, by means of a pin or a latch. Therefore, an emergency lock of the high security lock that ensures a secure lock in emergency situations, such as, for example, a power failure, can be provided particularly well with bridging mechanics.

Preferably, the bridging mechanics has a coupling that is configured for the coupling of the bridging mechanics in the blocking mechanics. In normal service, in this embodiment, the position of the blocking element is therefore controlled solely by the locking mechanics and the activation unit. However, if a completely mechanical lock of the high security lock is desired, the bridging mechanics is coupled to the locking mechanism or, according to the embodiment, to the activation unit, and finally causes a movement of the mechanics of lock to the position where the lock element is in the "locked" position. The advantage of this embodiment lies in the fact that a functional integration of the bridging mechanics in the high security lock is particularly well achieved, since, to slide the locking element, the existing locking mechanics can be used .

For this, the coupling preferably comprises a thrust element that is coupled by a sliding to the locking mechanics. The thrust elements are relatively easy to perform mechanically and are particularly robust in their operation. Therefore, this embodiment is particularly reliable, so that, for example, the vital functional integrity during a failure of

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High security lock current is particularly well guaranteed.

In another preferred embodiment, the high security lock comprises an electromagnetic activation unit with a coil and a mobile lifting electromagnet between a first position in which the locking element is in the "unlocked" position and a second position in the that the blocking element is in the "locked" position, the bridging mechanics being configured for the mechanical movement of the lifting electromagnet from the first position to the second position. Therefore, in this embodiment, the bridging mechanics is directly and functionally coupled to the electromagnetic activation unit or acts directly on the lifting electromagnet. This embodiment is preferred in that the blocking mechanics can be performed comparatively small, since, therefore, the bridging mechanics can also actuate the blocking mechanics usually located functionally between the electromagnetic activation unit and The blocking element. This is achieved in this embodiment, since the bridging mechanism activates, in the event that the electromagnetic activation unit is no longer operable due, for example, to a current failure, a corresponding sliding of the lifting electromagnet, such as it would have occurred if not in the case of a drive through the electromagnetic activation unit.

In the above embodiment, the coupling is preferably configured for direct coupling to the lifting electromagnet. In this way, as a general rule, mechanically complex and error-prone elements that cause a transmission of the coupling movement to the lifting electromagnet can be renounced.

In a preferred embodiment, the bridging mechanics is configured for the key-controlled drive of the locking mechanics. Therefore, to activate the bridging mechanics, a correspondingly configured and manually operated key is necessary, so that a casual operation of the bridging mechanics is not possible. Therefore, this high security lock is particularly safe.

According to the invention, it is also preferred to combine a high security lock with a bridging mechanism described above in a complementary manner with a clamping device according to the invention mentioned above, which is configured independently of the spring load. to maintain the placement of the blocking element in the "locked" position and / or with a clamping device according to the invention described above and, in particular, an electromagnetically controlled clamping device that is configured such that it is switchable in a "close" position in which it retains the position of the locking mechanics. This also applies to the clamping devices described.

Next, the invention continues to be explained by means of the embodiments shown in the figures. In this regard, the same components are identified with the same references. They show schematically:

Figure 1a,

a side plan view in perspective on a first embodiment of a

high security lock;

Figure 1b,

an exploded representation of the high security lock shown in Figure 1 a;

Figure 2a,

an enlargement of the fragment of the locking mechanics of Figure 1a in position

"blocked up";

Figure 2b,

a side perspective view of the view of the fragment of Figure 2a;

Figure 3a,

an extension of the fragment of the high security lock lock mechanics

according to Figure 1 a in the "unlocked" position;

Figure 3b,

a side perspective view of the view of the fragment of Figure 3a;

Figure 4a,

a side view of the high security lock according to Figure 1a in position

"blocked up";

Figure 4b,

a side view of the high security lock according to Figure 1a in position

"unlocked";

Figure 4c,

an extension of the fragment of the electromagnetic clamping device of the high lock

safety according to Figure 1 a in the "release" position;

Figure 4d,

an extension of the fragment of the electromagnetic clamping device of the high lock

safety according to Figure 1a in the "close" position;

Figure 4e,

a side perspective view of the clamping device according to Figure 4c;

Figure 4f,

a side perspective view of the clamping device according to Figure 4d;

Figure 5a,

a side view of a second embodiment of a high security lock of

according to the invention in the "locked" position;

Figure 5b,

a side view on the high security lock according to Figure 5a in position

"unlocked";

Figure 5c,

an extension of the fragment of the electromagnetic clamping device in the "closed" position

of the high security lock according to Figure 5a;

Figure 5d,

a clipping extension of the electromagnetic clamping device of the high lock

safety according to Figure 5a in the "release" position;

Figure 5e,

a side perspective view of the electromagnetic clamping device according to Figure

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5c;

Figure 5f,

a perspective side view of the electromagnetic clamping device according to the Figu ra

5 d;

Figure 6a,

a extension of the fragment from a view side on the mechanics from bridged from the

high security lock according to Figure 1 a in the "decoupled" position; Y

Figure 6b,

a side view of an enlarged fragment of coupled locking mechanics of the

High security lock according to Figure 1 a in the "coupled" position.

The two embodiments 1 and 1 'shown in Figures 1a to 6b of a high security lock according to the invention are usually embedded in a door leaf (not shown) and terminate towards the side of the door leaf with the skirt 20. The door leaf is pivotally supported on a door frame (not shown), whose door frame has a closing plate 21 with a notch to accommodate the bolt pivoted outwards. If the bolt 2, which is the locking element in both embodiments, reaches the notch of the closing plate and, if necessary, a reception space of the existing bolt behind the notch of the closing plate with respect to to the high security lock 1 or 1 ', the door is locked.

A multi-part housing surrounds each of the high security locks 1 and 1 '(the individual parts of the housing are designated 7), and can be closed with a housing cover (not shown).

In a first embodiment according to Figures 1a to 4f, 6a and 6b, the high security lock 1 is configured according to the principle of working current and has a locking element 2 that is configured as a pivoting bolt. The placement of the locking element 2 (hereinafter referred to as bolt 2) is caused substantially by two spring elements 3a and 3b, as well as by a locking mechanism that is functionally communicated with the lock 2. The locking mechanism comprises a closing latch 6 that is configured as a two-arm pivoting lever with a closing lever 8 and a clamping lever 9. The closing lever 8 is functionally engaged with the bolt 2 directly and the clamping lever 9 is communicated by a communication lever 22 with an electromagnetic activation unit 12. The electromagnetic activation unit 12 has, in addition to a coil, a lifting electromagnet 16 which is linearly movable in relation to the coil. The spring load of the bolt 2 comprises a bolt spring 3a that acts directly on the bolt 2, such that the bolt is pivoted directly to a "locked" position. In addition, the locking mechanic has a closing latch spring 3b that is arranged in such a way that the locking latch 6 is pressed to a position in which the latch 2 is in its "locked" position.

The high security lock 1 further comprises a permanent magnet 4 which is arranged in the closing latch 6 in the area of the clamping lever 9. The closing lever 8 and the clamping lever 9 of the closing latch 6 are arranged substantially orthogonal to each other, with the closing lever 8 in the locked state of the high security lock 1 installed on a door leaf (not shown) its travel substantially horizontally and the clamping lever 9, substantially perpendicular. The clamping lever 9, moreover, is substantially flat in its surface located opposite the inner surface of the rear wall of the lock housing 7 and abuts in the locked state of the high security lock with this area flat against the rear wall of the lock housing 7. The rear wall of the lock housing 7 also has, in the wall area opposite the permanent magnet 4 of the closing latch 6, a stop zone 10 on the side of the housing comprising at least partially a magnetic material 5.

The magnetic material 5 in the lock housing 7 and the permanent magnet 4 in the closing latch 6 are arranged in such a way with respect to each other that the permanent magnet 4 can interact with the magnetic material 5 as long as the locking mechanics is in the "locked" position. In order to counteract a magnetization of the magnetic material 5 by means of the permanent magnet 4, a gap 11 is also provided formed by a recess in accordance with Figure 2a between the permanent magnet 4 and the magnetic material 5. For this, the permanent magnet 4 is embedded in the clamping lever 9 in such a way that the surface of the permanent magnet facing the rear wall of the housing is displaced from the rear wall to the outer surface that stops at the rear wall of the lever lock housing of clamping 9. Therefore, the permanent magnet 4 is not in direct contact with the magnetic material 5 when the clamping lever 9 is abutted against the abutment area 10 of the housing side. Rather, there is, in this state, as inferred, for example, particularly from Figure 2a, a cavity (air gap 11) between the permanent magnet 4 and the magnetic material 5.

Apart from the electromagnetic activation unit 12, the high security lock 1 also has an electromagnetically controlled clamping device 13 comprising a closing frame 14 and a coil 15. The closing frame 14 is arranged in the high lock safety by means of a shaft pin 23 and supported around the axis of the shaft pin 23 so that it can pivot. The electromagnetically controlled clamping device 13 is configured to retain the locking mechanics in the "unlocked" position in which the bolt 2 is pivoted inwards in the high security lock 1. To this end, there is a fitting means 17 in the lifting electromagnet 16 in the form of a projection, the closing frame 14 being attracted in the event of an activation of the electromagnetically controlled clamping device 13 towards the

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same and engaging with the lace means 17.

The high security lock 1 also has a coupling 18 that is configured for the fully mechanical release of the high security lock. For this, in the present embodiment, a cylinder lock 24 is provided, by means of which the pushing element 18 of the coupling is slidable. The pushing element 18 also has a coupling area that is configured for the direct effect on the lifting electromagnet 16 of the electromagnetic activation unit 12. The pushing element 18 also has guiding means for guiding the movement of the thrust element in relation to the lock housing 7.

Figures 2a to 4b further illustrate the mode of action of the clamping device, which is configured independently of the spring load to maintain the placement of the bolt 2 in the "locked" position. In this regard, the enlargement of fragments according to Figures 2a and 2b clarify the position and mode of action of the individual elements of the clamping device in the state in which the bolt is in the "locked" position. Instead, fragment extensions 3a and 3b illustrate the position of the essential integral parts of the clamping device in the state in which the bolt 2 is in the "unlocked" position and, therefore, in the inward pivoted position. in the lock housing 7. Figures 4a (bolt 2 in "locked" position) and 4b (bolt 2 in "unlocked" position) reproduce the positions shown in Figures 2a to 3b in a total side view on the high lock safety 1. In the following, the mode of action and the development of movement within the clamping device will be explained in more detail.

Arrows A, B, C and D indicate the directions of movement of the elements of the locking mechanics to unlock the high security lock 1 and the arrows A ', B', C 'and D' indicate the directions of movement of the elements of the locking mechanics for locking the high security lock 1. The arrows A and A 'represent the linear sliding of the lifting electromagnet 16, which is activated by activating or deactivating the electromagnetic activation unit 12. Hereby embodiment of the high security lock 1, the activation of or the application of electric current to the electromagnetic activation unit 12 causes the lifting electromagnet 16 to slide down or linearly away from the locking mechanics. The communication lever 22 which is communicated with the lifting electromagnet 16 is pivotally supported on the inner side of the rear wall located in front of the skirt 20 of the lock housing 7 in the direction of the arrows B or B '. Therefore, a linear slide of the lifting electromagnet in the direction of the arrow A activates a pivotal movement of the communication lever 22 in the direction of the arrow B. In addition, the communication lever 22 is functionally communicated with the clamping lever 9 of the locking latch 6. The locking latch 6 is, in the area where the locking lever 8 and the clamping lever 9 are located, also pivotally arranged on the inner side of the rear wall of the lock housing 7 in front of the skirt 20. In this respect, the closing latch can pivot in the direction of the arrows C or C ', the pivoting movement of the closing latch 6 being contrary to the pivoting movement of the communication lever 22.

The closing lever 8 of the closing latch 6 is finally functionally communicated with the bolt 2 which is pivotally arranged in the high security lock in the direction of the arrow D or D '. Therefore, to unlock the high security lock 1, as is the case, for example, from Figure 4a to Figure 4b, electric current is applied to the electromagnetic activation unit 12, whereby the lifting electromagnet is moved 16 in the direction of the arrow A, which results in a pivoting of the communication lever 22 in the direction of the arrow B. In this way, the locking latch 6 is pivoted in the direction of the arrow C, whereby finally the bolt 2 is pivoted in the direction of the arrow D to unlock the high security lock 1 in the lock housing 7. If the application of electric current is interrupted and, thereby, the activation of the electromagnetic activation unit 12 , the bolt pivots again out of the lock housing 7 in the direction of the arrow D 'and locks a door equipped with a high security lock 1.

At this point, an essential concept of the invention emerges particularly clearly. Due to the configuration of the locking mechanics, only pivoting out of the bolt 2 in the direction of the arrow D 'is possible when the other integral parts of the locking mechanics can also be moved, that is, in particular, the latch of Close 6 in the direction of the arrow C ', the communication lever 22 in the direction of the arrow B' and the lifting electromagnet 16 in the direction of the arrow A '. In opposition to the dependence of this pivoting movement of a bolt spring element 3a, known until now in the state of the art, the center of gravity position of the closing latch 6 completes or even assumes, in case of spring breakage , the pivoting of the locking mechanics to the "locked" position of the bolt 2. The locking latch 6 is correspondingly arranged in the high security lock 1 such that it tends to pivot to the position in which the bolt 2 is in the "locked" position, that is, the latch 6 tends to pivot in the direction of the arrow C '.

In addition, finally the permanent magnet 4 stabilizes the bolt 2 in its "locked" position. This is particularly clear in Figures 2a and 2b. The closing latch 6 moves to lock the high security lock 1 in the direction of the arrow C 'and the rear wall located opposite the skirt 20 of the high security lock 7 stops in the plane and the inner surface. permanent magnet 4 is configured to interact with the magnetic material 5, so that the latch 6 is pulled towards the rear wall of the

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lock housing 7 or in the direction of arrow C '. If the closing latch 6 stops in the stop zone 10 on the side of the housing, the permanent magnet 4 and the magnetic material 5 are spaced apart by the air gap 11 as before. So that the bolt 2 can be pivoted inwards from its "locked" position, according, for example, with Figures 2a, 2b and 4a, to the lock housing to release a locked door by means of the high security lock 1, is it is necessary to overcome the force of attraction exerted by the permanent magnet 5. Therefore, the interaction between the permanent magnet 4 and the magnetic material 5 holds the latch 6 in the "locked" position of the bolt 2.

The mode of action of the electromagnetically controlled clamping device 13 which is configured to retain the locking mechanics in the position in which the bolt 2 is in the "unlocked" position according to, for example, with Figure 4b, is further clarified in Figures 4c to 4f. Figures 4c and 4d are a plan view that comes from the skirt 20 on the essential integral parts of the electromagnetically controlled clamping device 13, as indicated in Figures 4a and 4b for further clarification of the proportions of the view. Figures 4e and 4f are inclined perspective views, referring to Figure 4e to the locked state according to Figures 4c and 4a, and Figure 4f, to the unlocked state according to Figures 4d and 4b of the high security lock 1 From Figures 4c and 4d, the pivoting movement of the closing frame 14, activated by the electromagnetically controlled clamping device 13, in the direction of the arrow E is inferred. To this end, the electromagnetically controlled clamping device 13 has two coils 15 and 15 'which are integral parts of two electromagnets, so that the application of electric current of the coil 15 and 15' pulls the closing frame 14 in the direction of the arrow E.

To retain the locking mechanics there is the fitting means 17, which is arranged in the lifting electromagnet 16, which forms a projection in which the engagement means can be engaged with a stop zone. By pivoting the closing reinforcement 14 in the direction of the arrow E, the closing reinforcement pivots towards this engaging means 17 and grabs the engaging means by the rear (the rear grip is enhanced with the broken circle in Figure 4f ), such that the lifting electromagnet 16 can no longer slide in the direction of the arrow A 'according to Figure 4b. Then, the closing frame 14 is in its "closing" position. Therefore, the lifting electromagnet 16 of the electromagnetic activation unit 17 is mechanically closed by the closing armature 14. Therefore, it is no longer necessary to permanently maintain the positioning of the lifting electromagnet 16 by applying a permanent electric current to the 12 electromagnetic activation unit to maintain the unlocked state of the locking mechanics. Therefore, as a result, the electromagnetically controlled clamping device 13 releases the electromagnetic activation unit 12. To release the lifting electromagnet 16, the closing frame 14 pivots back to its "release" position in which the electromagnet releases elevator.

Figures 5a to 5f refer to a high security lock 1 'in an embodiment of idle current, so that an application of electric current of the electromagnetic activation unit 12' causes a placement of the locking mechanics in a position in which the bolt 2 is in the "locked" position. The developments of the movement of the locking mechanics are substantially comparable with the high security lock 1 and are illustrated in more detail in Figures 5a and 5b. The essential difference of the high security lock 1 'with respect to the high security lock 1 is that the lifting electromagnet 16' is charged by the spring 16 '(spring 25) and an electric current application of the activation unit 12 'electromagnetic activates a linear sliding in the direction of the arrow A' of the lifting electromagnet, that is, towards the locking mechanics. Therefore, according to Figure 5a, the activation unit 12 'is activated or subjected to the application of electrical current and, according to Figure 5b, deactivated or not subjected to the application of electrical current. Therefore, according to Figures 5c to 5f, the coupling means 17 is also configured for the retention of the locking mechanics in the locked state of the high security lock 1 '. Unlike the high security lock 1, the clamping device 15 meshes below the coupling means 17 to retain the lifting electromagnet 16 ', as highlighted by the broken circle in Figure 5e.

In Figures 6a and 6b the operation of the coupling with the pushing element 18 is illustrated in more detail. Figures 6a and 6b refer to the high security lock 1, which is configured according to the principle of working current. The pushing element 18 is configured for the linear guide along the rear wall of the lock housing 7, located in front of the skirt 20. The pushing element 18 has two branches 27 and 28 located one in front of the another that is communicated by a communication element that has its path substantially parallel to the rear wall of the lock housing 7. The first branch 27 of the pushing element 18 has a contact area against which a means of stopping sliding 26 operable through the cylinder lock. The sliding means 26 can pivot in the direction of the arrow F against the first branch 27, causing a pivoting of the sliding means 26 a linear movement in the direction of the arrow G of the pushing element 18. The second branch 28 of the pushing element 18 delimits, on the one hand, the dimension of the movement of the lifting electromagnet 16 of the activation unit 12 in the direction of the arrow A. On the other hand, the second branch 28 is configured such that a slide in the direction of the arrow G of the pushing element 18 causes the lifting electromagnet 16 to slide in the direction of the arrow A 'independently of an application of electric current or non-application of electric current to the electromagnetic activation unit 12. Therefore, a lock of the lock High security 1 is independent of the functional integrity of the electromagnetic activation unit 12 or of the

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spring elements 3a and 3b and can be activated completely mechanically. If the high security lock is completely mechanically locked by the coupling 18, an unlock activated by the activation unit 12 is not possible. Therefore, a high security lock 1 is also possible in this way. emergency situations in which, for example, a power failure occurs.

Claims (3)

5 10 fifteen twenty 25 30 35 E08000855 10-31-2014 1. High security lock (1, 1 ') comprising a mechanical lock with -a blocking element (2), the blocking element (2) being mobile between a "locked" position and an "unlocked" position, and a spring load (3a, 3b), the spring load acting (3a) , 3b) in such a way on the locking mechanics that the blocking element (2) is moved from the "unlocked" position to the "locked" position and - a clamping device that is configured with functional independence of the spring load (3a, 3b) to maintain the placement of the blocking element (2) in the "locked" position, the holding device having a permanent magnet (4) that holds the locking mechanism in the position in which the blocking element (2) is in the "locked" position, and the holding device comprising a locking latch (6) that is configured to close the locking element (2) in the "locked" position and the permanent magnet (4) being arranged ) on the latch latch (6), characterized in that the closing latch (6) comprises a two-arm pivoting lever, one of whose arms is a closing lever (8) that is functionally communicated with the locking element (2), such that the element lock (2) can be closed by means of the lock lever (8) in the "locked" position, and whose other arm is a clamping lever (9), and - because there is a lock housing (7) comprising a magnetic material (5) which by means of an interaction with the permanent magnet (4) is configured to hold the locking mechanics in the position in which the blocking element (2) is in the "locked" position and -by the permanent magnet (4) is communicated with the clamping lever (9) of the latch latch (6) that stops in the "locked" position of the locking element (2) against a stop area (10) on the side of the housing with the magnetic material (5), such that the permanent magnet (4) interacts with the magnetic material (5). 2. High security lock (1, 1 ') according to claim 1, characterized in that the closing lever (8) and the clamping lever (9) are arranged substantially orthogonal with respect to each other and the clamping lever (9), in the position in which it holds the locking mechanism in the position in which the element of lock (2) is in the "locked" position, has its path parallel to a rear wall that delimits out the high security lock (1, 1 ') and is located in front of an exit notch for the element of lock (2). 3. High security lock (1, 1 ') according to one of the preceding claims, characterized in that a non-magnetic material and, in particular, an air gap (11) is disposed between the permanent magnet (4) and the material (5) which interacts with the permanent magnet (4) to hold the locking mechanism in the position where the blocking element (2) is in the "locked" position. 13