ES2831399T3 - Door lock - Google Patents

Abstract

Door lock (1), comprising - a lock box (103), - a front plate (105) attached to the lock box (103), - a spring-loaded bolt (107) protruding from the box ( 103) lock, - a two-part nut (109) with spring-adjustable nut coupling (111), and - a control latch (125), where the control latch (125) is operatively connected with the bolt (107 ) by means of a spring-loaded locking slide (127) so that - in a first position (I), the bolt (107) is pre-tensioned by a first measure (M1) outside the lock case (103) and the bolt (125) is fully extended out of the lock box (103), where the lock slide (127) is received with its upper end (127a) in a gear (107a) of the bolt (107) and locks it and , with its lower end (127b), is located on a cam (125a) of the control bolt (125), and - in a third position (III), the bolt (10 7) is fully pressed against the pretension and, at the same time, the control latch (125) partially or completely sinks into the lock box (103), where the locking slide (127) is released with its upper end ( 127a) of the gear (107a) of the bolt (107) and no longer locks it, and is located with its lower end (127b) in the adjustment curve (125b) of the control latch (125), and - in a fourth position (IV), the bolt (107) is prestressed by a second measure (M2) outside the lock box (103) and is locked by a bolt lock (129), while, at the same time, the bolt (125 ) of control sinks partially or completely in the lock box (103), where the locking slide (127) no longer blocks the bolt (107) with its upper end (127a), and is located with its lower end (127b ) in the adjustment curve (125b) of the control latch (125), characterized in that - in a second position (II), the bolt (107) is prestressed out of d e the lock box (103) when the control latch (125) partially or completely sinks into the lock box (103), where the lock slide (127) is received with its upper end (127a) in gear (107a) of the bolt (107) and locks it and, at the same time, locks due to the pretension of the bolt (107), while the lower end (127b) is free in a bolt adjustment curve (125b) (125) control.

Description

DESCRIPTION

Door lock

The present invention relates to a door lock having improved sequential control and preferably inductive power transfer.

Building security doors, particularly emergency exit doors or fire protection doors, are often equipped with security locks, in which the bolts automatically close the door after crossing it, so that, in In case of fire, for example, the fire cannot spread to other rooms. As an important function, such security locks should allow keyless operation from the inside so that people can leave an enclosure or building at any time. Security locks installed on emergency exit doors or fire protection doors often have a mechanism that differs from the conventional latch-and-bolt mechanism with self-extending latch or self-extending latch locks that are known from the state of the art (so-called self-locking locks).

Document DE 3631 118 C2 describes, for example, a deadbolt security lock, a latch which can be operated by means of a key and which locks the bolt both in its retracted and extended position, and an auxiliary bolt which, by means of the Impact on the frame side of its latch head that protrudes from the side of the faceplate when the door is closed, sags against the action of a spring, thus lifting the latch latch. Therefore, this lock offers the advantage of a fundamentally safe closing of the fire protection door after an anti-panic actuation.

However, the conventional security locks of the state of the art also have disadvantages in that the auxiliary latch protrudes with its head from the front plate of the lock when the door is in the open position and can therefore be manipulated. easily, either accidentally or intentionally, to extend the bolt or automatic bolt. In this way, if the auxiliary latch is tampered with inadvertently, the door may strike with the bolt against the door frame or the strike present there when closing, which can cause the corresponding damage or even disable the lock. In the event of intentional tampering, the actual closed position of the door is often forced to apply to the door frame, thus creating unauthorized access from both sides. This is especially disadvantageous if it is not only about emergency exit doors, but also fire protection doors, the function of which is no longer guaranteed.

Electromechanical locks have been installed on building doors for some time and are used for security purposes, as they offer advantages over purely mechanical locks. In principle, electromechanical door locks can receive their power supply, on the one hand, through a power line by wiring the frame through the door leaf to the lock or, on the other hand, they can work with one or more batteries.

The disadvantage of the wired variant is that it requires a high installation effort. The cables must be laid in the wall, a cable transition must be created between the frame and the door leaf, and the door leaf must be exposed to lead the cable to the lock. The transition of cables in particular is prone to failure. Cable locks are also more susceptible to being tampered with.

Battery-powered locks have the disadvantage that the battery life is limited, so they must be replaced regularly. Due to the installation space, larger batteries with higher capacity cannot be used in locks. Additionally, possible status monitoring and warnings are often kept to a minimum in order to increase battery life. Although there is usually a battery status indicator (warning that it needs to be replaced), in larger establishments, such as hotels, batteries are often replaced at regular intervals, even if they are not dead yet, in order to minimize the workload of technical staff. The performance of batteries in door locks also decreases when used on exterior doors due to the low temperatures outside in winter. Also, batteries must be disposed of properly.

A solution to the problem may be a non-contact energy transfer. Thus, document DE 3612761 C2 describes, for example, an energy transfer between the strike and the lock, where the emitter and receiver sides should preferably be adjustable to obtain a transfer position as close as possible to each other. For this purpose, the transmitter side is designed to be horizontally adjustable and the receiver side vertically adjustable. The disadvantage of the adjustability on the lock side is that, in the lock, the corresponding installation space for the receiver and the actuator, in addition to the conventional latch and bolt lock mechanism, is very small and, therefore complex and elaborate. Due to the lack of installation space, the receiver side can only be designed with very small dimensions. As a result, the power transfer must be considered low, and it takes more time to transfer the necessary energy. This can cause functional problems when using the lock in practice.

Document US 5,469,723 A describes a lock comprising a housing with an inner and an outer part and a shaft that passes through the housing from the inside to the outside. A main bolt that has a bolt section and a locking section, where the main bolt can travel in and out of the housing. A double acting drive mechanism coupled to the main bolt by the shaft, where the shaft has a first pin to drive the drive mechanism and a second pin to drive the drive mechanism, where the first pin and the second pin move the bolt main inside and outside the case. A means of locking to prevent displacement of the main bolt. A combination hub located in the housing, where the combination hub releases the locking means when a combination key is inserted into the combination hub. A means of limiting travel of the main pin as it exits the housing so that only the lock section is exposed outside the housing.

Starting from the disadvantages of the aforementioned state of the art, the present invention aims to provide a door lock in which the sequential control is improved so that the bolt does not deploy when the control bolt is actuated with the door open. Another object of the present invention is to provide an inductive power transfer door lock that is independent of a hard-wired or battery-connected power source. Finally, a locking system provided with the door lock according to the invention must be provided.

In a first aspect of the present invention, said object is solved with a door lock (1), which comprises

- a lock box (103),

- a front plate (105) attached to the lock box (103),

- a spring-loaded bolt (107) protruding from the lock box (103),

- a two-part nut (109) with spring-adjustable nut coupling (111) and

- a control latch (125),

wherein the control latch (125) is operatively connected to the bolt (107) by a spring-loaded locking slide (127) such that

- in a first position (I), the bolt (107) is prestressed in a first measure (M1) outside the lock box (103) and the control bolt (125) is fully extended outside the box (103) lock, where the locking slide (127) is received with its upper end (127 a) in a gear (107a) of the bolt (107) and locks it and, with its lower end (127b), is located on a cam (125a) from the control latch (125), and

- in a third position (III), the bolt (107) is fully pressed against the pretension and, at the same time, the control bolt (125) partially or completely sinks into the lock box (103), where the slide Lock (127) is released with its upper end (127a) from the gear (107a) of the bolt (107) and no longer locks it, and is located with its lower end (127b) in the bolt adjustment curve (125b) (125) control, and

- in a fourth position (IV), the bolt (107) is prestressed by a second measure (M2) outside the lock box (103) and locked by a bolt lock (129), while, at the same time, the control bolt (125) partially or completely sinks into the lock box (103), where the locking slide (127) no longer blocks the bolt (107) with its upper end (127a) and is located with its end lower (127b) on the control latch (125) adjustment curve (125b),

characterized by what

- in a second position (II), the bolt (107) is prestressed outside the lock box (103) when the control bolt (125) partially or completely sinks into the lock box (103), where the slide (127) is received with its upper end (127a) in the gear (107a) of the bolt (107) and locks it and, at the same time, is locked due to the pretension of the bolt (107), while the end Lower (127b) is free in a control latch (125) adjustment curve (125b).

In a second aspect of the present invention, the aforementioned object is solved with a closure system, which comprises

- the door lock (1) according to the invention and

- a strike (7) arranged on the side of the door frame.

Unlike the systems known in the state of the art, the door lock (1) and the closing system of the state of the art have the advantage that the sequential control of the bolt (107) has been optimized in such a way that Intentional or unintentional manipulation of the control latch (125) is effectively prevented, so that the original functions of the emergency exit doors or fire protection doors are still guaranteed. Thanks to the optimized sequence control for the bolt (107), a conventional bolt is no longer necessary in the door lock (1) according to the invention, which simplifies the design. Furthermore, a safe and at the same time less expensive power supply means is advantageously created for the door lock (1), preferably electromechanical. The free space in the door lock created by the deadbolt that is no longer needed can, on the one hand, accommodate an inductive power supply means with a larger receiving unit and thus a higher load can be achieved. quick release from the lock-side energy storage device. More energy storage elements can also be used. large, for example larger capacitors or even accumulators. On the other hand, a power supply means with a conventional battery can be implemented at the same time in a simple way in case a power connection for the transfer of power is not available or cannot be carried out on the frame side. inductive energy. In addition, the entire electronic control system, including the emission and reception module, can be housed in this area in a compact and protected way.

The invention is described in detail below. When specific characteristics are mentioned in the description of the door lock (1) according to the invention, these also refer to the closing system according to the invention, in the same way as the specific characteristics cited in the description of the closing system according to The invention relates to the door lock (1) according to the invention. Likewise, the method characteristics of the following description also functionally relate to the door lock (1) according to the invention and to the locking system according to the invention.

In a first aspect, the present invention relates to a door lock (1) comprising a lock box (103), a front plate (105) connected to the lock box (103), a prestressed bolt (107) spring protruding from the lock case (103), a two-part nut (109) with spring-adjustable nut coupling (111), and a control latch (125). In the following description, the door lock (1) according to the invention is described in more detail in relation to its individual components.

The door lock (1) according to the invention is characterized in that the control bolt (125) is in operative connection with the bolt (107) through a spring-loaded locking slide (127), so that they are possible basically four positions (I, II, III, IV) of the bolt (107) and the control bolt (125).

In a first position (I), the bolt (107) is prestressed in a first measure (M1) outside the lock box (103) and the control latch (125) is fully extended outside the lock box (103). lock. In this case, the locking slide (127) is received with its upper end (127 a) in a gear (107a) of the bolt (107) and locks it. The locking slider (127) is located with its lower end (127b) on a cam (125a) of the control latch (125).

This first position (I) describes an open door in which the bolt (107) is prestressed outside the lock box (103) and protrudes as far as (M1) from the front plate (105) (see Figure 1 and Figure 2). At the same time, the control latch (125) is fully extended and, with a cam (125a) at its end, holds the locking slide (127) in a position where it is received in the gear (107a) of the bolt (107). In this way, the locking slide (127) locks the bolt (107) and prevents it from moving beyond the first measurement (M1). The first measurement (M1) is from 9.5mm to 13mm, in particular 11mm. The first position (I) thus describes the normal state of the door lock (1) with the door open.

In a second position (II), the bolt (107) is prestressed out of the lock box (103) when the control latch (125) partially or completely sinks into the lock box (103). In this case, the locking slide (127) is received with its upper end (127a) in the gear (107a) of the bolt (107) and locks it. At the same time, it is also locked due to the pretension of the bolt (107), while the lower end (127b) is freely in a curve (125b) of adjustment of the control latch (125).

This second position (II) describes the case in which the door is open, as in the first position (I), but the control latch (125) is activated consciously or unconsciously, that is, it sinks into the box (103 ) lock (see Figure 3). In conventional locks of the state of the art, by pressing a control latch or an auxiliary latch, the deadbolt or deadbolt (automatic) is extended automatically.

However, in the door lock (1) according to the invention such automatic extension of the bolt (107) does not occur, since the spring-loaded bolt (107) maintains the locking slide (127) with its upper end (127a ) in the gear (107a) due to pretension, that is, it locks or holds it, so that the locking slide (127) cannot reach the release position of the bolt (107) according to its spring load. The bolt (107) and the locking slide (127) mutually lock in the second position (II) and thus hold each other in position.

In a third position (III), the bolt (107) is fully pressed against the pretension and, at the same time, the control bolt (125) partially or completely sinks into the lock box (103) (see Figure 4 ). In this case, the locking slider (127) releases its upper end (127a) from the gear (107a) of the bolt (107) and no longer locks it. With its lower end (127b), the locking slide (127) rests on the adjustment curve (125b) of the control device (125).

This third position (III) describes the conscious or intentional closing of the door. First, the door is open as shown in the first position (I). As the door is closed, the control bolts (107) and latch (125) move over the strike (7) and sink into the lock box (103). As the bolt (107) and the control bolt (125) sink simultaneously, the locking slide (127), which was reciprocal with the bolt (107), it is released and moved to the bolt release position (107) by biasing a locking slide spring.

In a fourth position (IV), the bolt (107) is prestressed by a second measure (M2) outside the lock box (103) and locked by a bolt lock (129), while at the same time the bolt ( 125) is partially or completely submerged in the lock box (103) (see Figure 5). The upper end (127a) of the locking slide (127) no longer locks the bolt (107) and its lower end (127b) rests on the adjustment curve (125b) of the control latch (125).

This fourth position (IV) is directly connected to the third position (III) in the sequential control system according to the invention. Since the door is now closed, the control bolt (125) rests on the strike (7) and remains sunk in the lock box (103), so that the locking slide (127) remains in the released position . Upon release of part of the displaced locking slide (127) to the release position, the bolt (107) can fully extend out of the lock case (103) due to its pretension. The bolt (107) then protrudes by the second measure (M2) from the front plate (105) and is inserted into the corresponding opening of the strike (7). The second measurement (M2) is from 15 mm to 25 mm, in particular 20 mm. In this way, the bolt (107) assumes its closed position, and the presence of a conventional bolt is no longer necessary. The fourth position (IV) thus describes the normal state of the door lock (1) when the door is closed.

When fully extended, the control latch (125) protrudes approx. 8.5mm from the faceplate (105). "Partially recessed" describes a condition in which the control latch (125) is recessed less than approx.

8.5 mm and up to approx. 2.5mm (which corresponds to a door gap of 6mm to 0mm).

To go from the fourth position (IV) to the first position (I), that is, to open the door, a latch (handle) connected to the nut (109) is operated in the usual way, so that the bolt (107 ) is fully retracted into the lock box (103) and the door can be opened. When the door is opened, the control latch (125), which was previously superimposed on the strike (7), extends completely out of the lock box (103) due to the spring load. As a result, the lower end (127b) of the locking slider (127) is brought into the adjustment curve (125b) of the control latch (125) and the cam (125a) rises. This vertical movement causes the locking slide (127) to move upwards and can engage with its upper end (127a) in the gear (107a) of the bolt (107). Upon releasing the latch, the bolt (107) is ejected from the lock box (103) and fixed in the first measure (M1) by the locking slide (127). At this time, the door lock (1) according to the invention is in the first position (I).

In a later development of the door lock (1) according to the invention, the latter further comprises a motorized adjustment device (113) for the nut coupling (111), a wireless electronic module and a power source (117) for the adjusting device (113) and the wireless module. This further development is characterized in that the energy source (117) has an inductive energy transfer comprising a receiving coil (117a) housed in the lock box (103) and an emitting coil (117b) arranged on the side of the frame. the door.

The electromechanical door lock (1) provided in this way has the advantage, on the one hand, that the motorized adjustment device (113) only has to move small loads and cope with short adjustment distances due to the design of the coupling ( 111) walnut electromotorized. This achieves a significant reduction in energy consumption compared to the state of the art. On the other hand, the inductive power transfer from the power source 117 ensures a safe, robust, and simple power source that is independent of a cable or battery supply. The use of inductive energy transfer implies a lower impact on the environment, since the entire cycle of production, disposal and recycling of batteries is eliminated, thus preserving natural resources.

Since, as explained above, it is not necessary to provide a conventional lock, the receiving coil (117a) housed in the lock box (103) can be correspondingly large and rigidly arranged in the latter and, optionally, can be permanently installed. The available space is used optimally for the highest possible reception power. Furthermore, there are no such disadvantages of a wired power supply means.

The receiving coil (117a) is advantageously encapsulated or covered for its mechanical protection (also against manipulation), which at the same time offers fixing possibilities.

In the aforementioned further development, the door lock (1) according to the invention further comprises at least one energy storage device (117c) in the energy source (117), selected from capacitors, double-layer capacitors, supercapacitors. , accumulators, Goldcaps. Alternatively, the batteries can be used as an energy storage device 117c.

Since, as indicated above, the presence of a conventional bolt is no longer necessary, in an embodiment of the door lock (1) according to the invention, a front cover (123a) can be housed in the box (103) of lock instead of a bolt, and inserted into an opening in the front plate (105), where the front cover (123a) is removable to access an installation space (10309) in the lock box (103) (see Figure 1 and Figure 8).

The installation space (110309) can be used in particular to integrate the encapsulated receiver coil (117a) of the power source (117) for inductive power transfer. Alternatively or additionally, one or more energy storage devices 117c or a battery may be housed there.

The door lock (1) has been described above in general terms, so it can, for example, have the standard dimensions of a lock with a tubular structure (standard lock box "Flush-mount lock for recessed doors" according to DIN 18251, part 1, edition: September 2014). In a special embodiment of the present invention, the door lock (1) is a lock with a tubular structure (standard lock box "Recessed lock for doors with a tubular structure" according to DIN 18251, part 2, edition: September 2014 ).

Tubular frame locks, due to the design of the frame profiles with a narrow frame and, for example, a glass insert, have entry measurements from 30mm to 45mm and rear entry measurements from 15mm to 18mm . In the case of tubular structure locks, the space available for installation is therefore kept quite small.

If a tubular structure lock according to the invention is to be equipped with a motorized adjustment device (113) for the nut coupling (111), a wireless electronic module and a power source (117) with inductive energy transfer, the Electronic control system must not be disassembled for reasons of technical functionality, production and costs, but must be housed as a compact unit in the available installation space.

Furthermore, for the operation of the two-part nut (109) with spring-adjustable nut coupling (111) (using the inner latch as an anti-panic function), it is necessary to separately damp the two nut halves (109a, 109b) to that a minimum standard torque of 0.8 Nm can be achieved in each half (109a, 109b) of the nut, so that the latches do not hang under their own weight when installed.

To achieve the above-mentioned requirements for a tubular structure lock in the present special embodiment, the door lock (1) further comprises a first compression spring with a first pressure chain for applying a spring force to a first half (109a) walnut. This special embodiment is characterized by the fact that at the upper end of the lock box (103) there is a housing element (131) in which a second compression spring (131a) is horizontally housed with a first chain ( 131b) to apply a spring force to a second nut half (109b), where the first pull chain (131b) is operatively connected to the second nut half (109b) by a biasing device (131c) and a second traction chain (131d).

According to the state of the art, the existing nut halves are loaded with springs directly or with the help of simple pressure or tension chains. However, with the aforementioned requirements of a tubular lock there is not enough space available for this. Thus, according to the invention, the first nut half (109a) is therefore (as in the state of the art) subjected to a spring force with a first compression spring together with a first pressure chain on the right, under the nut (109) (see Figure 1).

However, the second compression spring (131a) (with the first tension chain (131b)) is located horizontally in a housing element (131) at the upper end of the lock case (103) above the bolt ( 107), as shown in Figure 6. In order to now apply a spring force to the second nut half (109b), the force flow is diverted through the second traction chain (131 d), which It is designed in particular as a wire spring element that is suspended from the second nut half (109b), through a biasing device (131c) and from the first traction chain (131b).

This special embodiment creates enough space for the dimensions of a tubular lock to accommodate in this installation space (10309) the electronic control system as a compact unit and the wireless module. Furthermore, this arrangement makes it possible to better obtain the electronic response of the nut half (109a, 109b) of the outer part. The response is important so that the motorized adjusting device (113) only engages the nut halves (109a, 109b) when the outer latch is in the zero position.

In a further development, the door lock (1) according to the invention also includes a mechanical closing cylinder for the mechanical operation of the nut coupling (111) and for the opening of the front cover (123a). When the locking cylinder is actuated, the adjusting nose of the locking cylinder takes over the function of the motorized adjusting device (113) and engages the nut halves (109a, 109b). In this way, an unlocking of emergency of the door lock (1) according to the invention in the event of a total failure of the power source (117). In addition, the front cover 123a can be routinely opened with the mechanical lock cylinder, preventing unauthorized tampering.

A second aspect of the present invention relates to a closing system comprising the door lock (1) according to the invention and a strike (7) arranged on the side of the door frame.

In a preferred embodiment, the closing system comprises the door lock (1) according to claim 2 and the strike (7) arranged on the side of the door frame, where

In an opening (701) of the strike (7), the emitting coil (117b) of the energy source (117) is arranged on an edge (117d) and

Behind the emitter coil (117b) an encapsulated feed unit (117h) is provided for it.

In the opening (701) of the strike (7) in which the bolt is inserted in the case of conventional locks, the emitting coil (117b) of the power source (117) can be arranged, according to the invention and as shown in Figure 9, such that it sits in the door lock (1) with only a small gap and almost completely opposite the receiver coil (117a). The edge (117d) of the emitter coil (117b) serves for its mechanical protection (also against manipulation) and at the same time offers fixing possibilities. In particular, the emitter coil (117b) can be cast with the edge (117d).

The power unit 117h is also encapsulated for reasons of mechanical protection and electrical insulation, preferably in a plastic housing. This plastic housing also has holes to receive the fixing screws with which the edge (117d) of the emitter coil (117b) can be fixed.

The power supply of the power supply unit (117h) is from 9 V to 36 V. You can use the power supply from a doorbell or intercom or lighting in the door area. This input voltage is transformed in the supply unit (117h) into the voltage required for the emitter coil (117b).

In a later development of the closure system, the edge (117d) for the emitter coil (117b) has flanges (117c.1, 117c.2) at its opposite ends to receive pressure pieces (117e) with springs (117f) of compression and also has elongated holes for the passage of the fixing means, so that the emitter coil (117b) is adjustable vertically and horizontally and in depth in the opening (701) of the strike (7) in each case. An exploded view of the embodiment is shown in Figure 9.

To guarantee optimal energy transmission, that is, the fastest possible charging of the energy storage device (117c) at the energy source (117), it is necessary that the emitter coil (117b) of the source (117) of energy in the strike (7) and the receiving coil (117a) housed in the lock box (103) are aligned with each other as precisely as possible and do not have any displacement in the vertical or horizontal direction. Such misalignment can be caused by the mounting of the door and the strike (7), but also by the passage of time due to deformation caused by the effects of heat and cold or by hanging doors. In addition, the clearance (that is, the distance between the door frame and the door leaf) is not always the same, and it is also subject to external influences. Therefore, to ensure optimal transmission of energy, it is also necessary to set the distance between the emitting coil (117b) and the receiving coil (117a) to a certain and optimal measure. Accordingly, it is desirable that the position of the emitting coil 117b and receiving coil 117a can be adjusted in all three spatial directions and that it can also be adjusted later. This requirement is met with the present development.

The edge (117d) of the emitter coil (117b) has tabs (117d.1, 117d.2) at its opposite ends (that is, at the top and bottom) to accommodate pressure pieces (117e) with springs (117f ) Of compression. The tabs (117d.1, 117d.2) also have elongated holes (that is, the tabs are slotted) to allow passage of the fastening means (117g), especially screws.

Advantageously, as fixing means, plastic cutting screws can be used, which are screwed into the plastic housing of the supply unit (117h) through the striker (7) and the elongated holes of the edge (117c) against the tension of the compression springs. In this way, the emitter coil (117b) is held between the strike (7) and the supply unit (117h).

Since the edge (117c) is screwed to the emitter coil (117b) against the tension of the compression springs (117f), the depth of the emitter coil (117b) can be adjusted by / - 2mm by loosening the screws (i.e. , releasing the tension of the compression springs (117f)) to set the optimal distance in the clearance between the emitter coil (117b) and the receiver coil (117a). The optimal distance is 4mm.

Since the elongated holes are also provided, it is also possible to adjust the emitter coil 117b vertically and horizontally, in particular vertically by / - 3mm and horizontally by / - 0.5mm.

In a further development, the locking system also includes at least one wireless key (3) and at least one mechanical key (5).

The closing system according to the invention has essentially the same advantages as the door lock (1) according to the invention. Furthermore, it is possible to activate up to 100 wireless keys (3) for a lock (1) according to the invention.

Unlike other systems of the state of the art, the locking system according to the invention does not require any additional "memorization key" (also called "master key") to activate the wireless keys (3). Instead, behind the receiving compartment (123) there is a device for authorizing the wireless keys (3), which can also be called a "learn button". The memorize button is also used to erase some or all of the wireless keys.

Since this "memorization button" is only accessible to an authorized person with the mechanical key (5), the activation ("memorization") of each of the wireless keys (3) and, therefore, the assignment of the Access rights can only be carried out by this person. Furthermore, only this authorized person can open the front cover (123a) to access the receiver coil (117a) or the installation space (10309).

Other objectives, characteristics, advantages and possible applications emerge from the following description of non-limiting illustrative embodiments of the invention with the aid of the figures. All the characteristics described and / or represented graphically, either individually or in any combination, constitute the object of the invention, regardless of how they are summarized in the claims or their reference. These illustrate: Figure 1 is a schematic representation of a door lock 1 according to an embodiment of the invention as a lock with a tubular structure;

Figure 2 is a schematic sectional view of the door lock 1 of Figure 1 in a first position I; Figure 3 is a schematic sectional view of the door lock 1 of Figure 1 in a second position II;

Figure 4 is a schematic sectional view of the door lock 1 of Figure 1 in a third position III;

Figure 5 is a schematic sectional view of the door lock 1 of Figure 1 in a fourth position IV; Figure 6 is a schematic sectional view of the door lock 1 with improved energy transfer;

Figure 7a is a schematic representation of a control latch 125 according to one embodiment of the invention; Figure 7b is a schematic representation of a locking slider 127 according to one embodiment of the invention;

Figure 8 is a schematic sectional view of the door lock 1 with the receiving coil 117a housed in the lock box 103 and

Figure 9 is a schematic exploded view of the frame side of the closure system according to the invention.

Figure 1 schematically shows a lock with a tubular structure as a preferred embodiment of the invention. The door lock 1 has already been discussed in detail above in connection with further advantageous developments. In the schematic representation, the energy storage device 117c is designed as so-called "Gold-Caps". In the representation it can be easily seen how, by omitting the unnecessary latch, sufficient installation space 10309 can be created for the receiver coil 117a and, where appropriate, other energy storage devices 117c, or in an alternative embodiment, a space for batteries. An additional installation space is obtained (without reference number) where in Figure 1 the energy storage device 117c is located to be able to house the electronic control system and its components. The illustration also shows the door lock 1 in the first position I.

The front cover 123a shown in Figure 1 can be small or large. The small size front cover 123a is located below the encapsulated take-up coil 117a and is only used to access the learn button. The large front cover 123a provides access to the learn button and is also used to insert or change a battery.

Figures 2, 3, 4 and 5 show in each case an enlarged sectional view of the different positions I, II, III and IV of the door lock 1, that is, in particular, the relationships between the bolt 107, the control latch 125 and lock slide 127.

Figure 6 shows schematically the improved energy transfer, which allows to create additional space in a lock of tubular structure such as the door lock 1 to accommodate the electronic control system.

Figures 7a and 7b show detailed representations of the inventive control latch 125 and inventive locking slider 127 as important components of the improved sequential control of the present invention.

Figure 8 shows schematically how the receiving coil 117a of the door lock 1 according to the invention is housed in the lock box 103, so that the installation space 10309 behind it remains free for the electronic control system. It can also be appreciated that the take-up coil 117a uses the maximum possible space.

The schematic exploded view of the side of the frame of the closing system according to the invention, with the strike 7 and the inductive energy transfer transmission side according to the invention arranged on it or behind it has already been previously commented.

Next, the door lock (1) according to the invention is described in detail for a better understanding of its general operation. The door lock (1) according to the invention first has a lock box (103) with a lock box insert, a base and a cover and a front plate (105) attached to the lock box (103) . A bolt (107) is spring loaded outside the lock case (103).

The door lock (1) further comprises a two-part nut (109) with an upper nut half (109b) and a lower nut half (109a) and a spring-adjustable nut coupling (111). The nut coupling (111) is provided with a motorized adjustment device (113), which has an electric motor with a motor control.

Furthermore, the door lock (1) comprises an electronic control with a wireless electronic module and a power source (117) for the adjusting device (113) and the wireless module.

In the door lock (1), the motorized adjustment device (113) has a bell-shaped actuator which is connected in pressure contact with the nut coupling (111) through its end face arranged at right angles to to its axis of rotation, where the bell-shaped actuator has a front contour that is shaped such that it maintains the nut coupling (111) in at least one engaging position or in at least one disengaging position of the upper half (109b) walnut and the lower half (109a) walnut. The bell-shaped actuator according to the invention is cylindrical, with a centrally arranged axis of rotation. Its rear part, or ours, is press-connected to the shaft of the motorized adjusting device (113). The front or top remains free. On the free end face of the bell-shaped actuator, which is at right angles to the axis of rotation, an end face contour is formed which, by its pressure contact with the nut coupling (111), carries out the adjustment of the nut coupling (111), that is, the coupling or uncoupling of the upper nut half (109b) and the lower nut half (109a).

This is achieved by using the end face with its front contour to fix the nut coupling (111) and not, as is usually the case in the state of the art, the side surface of a conventional adjustment device. On the other hand, the adjustment distances that the motorized adjustment device (113) must cover are short, so its travel times are short. Accordingly, to engage the nut halves (109a, 109b) by means of the nut coupling (111) through the bell-shaped actuator, the motorized adjusting device (113) only has to move small loads, so that significantly reduced power consumption can be achieved.

Preferably, the lock box (103) is a standard lock box (recessed lock for doors of tubular structure) according to DIN 18251, part 2 (edition: September 2014), so that the lock according to the invention can be installed , in principle, on any door with standard mounting. Alternatively, as described above, the lock box (103) is a recessed lock with a tubular structure for full-leaf doors according to DIN 18251, part 1 (edition: September 2014).

The bolt (107) of the door lock (1) of the invention can extend 20 mm outside the lock case (103), and is preferably provided with molded plastic inserts that ensure a quiet and low-wear closing. .

Preferably, the wireless electronic module forms part of a locking and access system which, in addition to the wireless module, comprises an antenna and the engine control unit (11305). The frequency used for the wireless module is 868 MHz.

Furthermore, for the door lock (1) according to the invention, it is possible to use as a lock with a tubular structure entrance measurements of 35 mm, 40 mm, 45 mm and 50 mm, and as a recessed lock for full-leaf doors, entrance measurements 55mm, 60mm, 65mm, 70mm and 80mm.

Preferably, the door lock (1) according to the invention comprises at least one microswitch that is in contact by pressure with the upper or lower half (109a, 109b) of the nut, depending on where the outer latch is located, and is connected electrically to the engine control unit and the wireless module. For this, the nut coupling (111) can only be actuated by the adjustment device (113) if the microswitch detects the rest position of the detected nut half (109a, 109b). According to the invention, only half (109a, 109b) of the nut is detected on the outside of the door. A response of the nut half (109a, 109b) inside the door (anti-panic function) is not necessary, since this can work independently of the nut engagement position (109). This ensures that the anti-panic function is always guaranteed, as it cannot be blocked, no matter where the nut coupling (111) is located.

This ensures in a simple way that the coupling of the outer half (109a, 109b) of the nut only takes place when the outer latch is in the rest position and the corresponding recesses, in which the nut coupling (111) fits, they are aligned with each other. This prevents blockages in the nut coupling (111) and therefore current load peaks (i.e. spikes in power consumption) and / or idling of the motorized adjusting device (113).

For greater energy savings, it has been found advantageous for the bell-shaped actuator to have a device for detecting position. Preferably, this position sensing device is designed as a surface contour, which is at the end of the bell-shaped actuator opposite the front contour.

That is, the engagement or disengagement position of the nut engagement (111) is indicated, for example, by the corresponding microswitch to stop the rotation of the motorized adjusting device (113) when the respective position is reached. This prevents the motorized adjusting device 113 from going into overtravel and therefore current load peaks.

It is preferred that the door lock (1) of the invention further comprises a mechanical lock cylinder (121) for the mechanical actuation of the nut coupling (111). When the locking cylinder (121) is actuated, the adjusting nose of the latter assumes the function of the motorized adjusting device (113) and engages the nut halves (109a, 109b). In this way, an emergency unlocking of the lock (1) can be ensured in the event of a total failure of the power source (117).

Reference numbers

1 lock

7 Strike

103 Lock box

105 Front plate

107 Safety latch

107a Bolt gear 107

109 Two-part nut

109th Lower half nut

109b Upper half nut

111 Nut coupling

113 Motorized adjustment device

117 Power Source

117th Receiver Coil

117b Transmitter coil

117c Energy storage device

117d Edge of emitter coil 117b

117d.1 Tab

117d.2 Tab

117e Thrust piece

117f Compression spring

117g Clamping means

117h Power supply unit

123a Front Cover

125 Control latch

125a Latch cam 125 control

125b Latch setting curve 125 control 127 Lock slide

127a Upper end of locking slide 127 127b Lower end of locking slide 127 131 Housing element

131a Second compression spring

131b First pull chain

131c Diverter device

131d Second drive chain

701 Strike opening 7

10309 Installation space

Claims (1)

Door lock (1), comprising - a lock box (103), - a front plate (105) attached to the lock box (103), - a spring-loaded bolt (107) protruding from the lock box (103), - a two-part nut (109) with spring-adjustable nut coupling (111) and - a control latch (125), wherein the control latch (125) is operatively connected to the bolt (107) by a spring-loaded locking slide (127) such that - in a first position (I), the bolt (107) is prestressed in a first measure (M1) outside the lock box (103) and the control bolt (125) is fully extended outside the box (103) lock, where the locking slide (127) is received with its upper end (127a) in a gear (107a) of the bolt (107) and locks it and, with its lower end (127b), is located on a cam ( 125a) from the control latch (125), Y - in a third position (III), the bolt (107) is fully pressed against the pretension and, at the same time, the control bolt (125) partially or completely sinks into the lock box (103), where the slide Lock (127) is released with its upper end (127a) from the gear (107a) of the bolt (107) and no longer locks it, and is located with its lower end (127b) in the bolt adjustment curve (125b) (125) control, Y - in a fourth position (IV), the bolt (107) is prestressed by a second measure (M2) outside the lock box (103) and is locked by a bolt lock (129), while, at the same time , the control latch (125) partially or completely sinks into the lock box (103), where the locking slide (127) no longer locks the bolt (107) with its upper end (127a), and is located with its lower end (127b) in the adjustment curve (125b) of the control latch (125), characterized by what - in a second position (II), the bolt (107) is prestressed outside the lock box (103) when the control bolt (125) partially or completely sinks into the lock box (103), where the slide (127) is received with its upper end (127a) in the gear (107a) of the bolt (107) and locks it and, at the same time, is locked due to the pretension of the bolt (107), while the end Lower (127b) is free in a control latch (125) adjustment curve (125b). Door lock (1) according to claim 1, further comprising - a motorized adjustment device (113) for the nut coupling (111), - a wireless electronic module and - an energy source (117) for the adjustment device (113) and the wireless module, characterized in that the energy source (117) presents an inductive energy transfer comprising a receiving coil (117a) housed in the box ( 103) lock and an emitter coil (117b) arranged on the side of the door frame. Door lock (1) according to claim 2, further comprising at least one energy storage device (117c) in the energy source (117), selected from capacitors, double-layer capacitors, accumulators, batteries. Door lock (1) according to one of claims 1 to 3, further comprising a front cover (123a) which is received in the lock case (103) instead of a bolt and inserted into an opening in the plate front (105), where the front cover (123a) is removable to access an installation space (10309) in the lock box (103). Door lock (1) according to one of claims 1 to 4, wherein the lock (1) is a lock with a tubular structure, further comprising a first compression spring with a first pressure chain to apply a spring force to a first nut half (109a), characterized in that a housing element (131) is provided at the upper end of the lock case (103), in which a second compression spring (131a) is horizontally housed with a first pull chain (131b) for applying a spring force to a second nut half (109b), wherein the first pull chain (131b) is operatively connected to the second half (109b) of the nut by a device ( 131c) and a second traction chain (131d). Door lock (1) according to one of claims 1 to 5, further comprising a mechanical closing cylinder for mechanically actuating the nut coupling (111) and for opening the front cover (123a). 7. Closure system comprising - the door lock (1) according to one of claims 1 to 6 and - a strike (7) arranged on the side of the door frame. Closing system according to claim 7, comprising the door lock (1) according to claim 2 and the strike (7) arranged on the side of the door frame, where in an opening (701) of the strike (7 ), the emitter coil (117b) of the power source (117) is arranged on an edge (117d) and Behind the emitter coil (117b) an encapsulated feed unit (117h) is provided for it. 9. Closure system according to claims 7 or 8, wherein the edge (117c) for the emitter coil (117b) has flanges (117d.1, 117d.2) at its opposite ends to receive pressure pieces (117e) with springs (117f) compression, as well as elongated holes for the passage of the fixing means, so that the emitter coil (117b) is adjustable vertically and horizontally and in depth in the opening (701) of the strike (7) in each case . Closure system according to one of Claims 7 to 9, further comprising: - at least one wireless key and - at least one mechanical key.