A LOCK COMPRISING AN ACCESSORY FOR SECURITY LOCKING OF SAID LOCK

Description

[0001] The invention relates to a lock comprising an accessory for security locking of said lock, said accessory enabling the locking of the door lock such that the lock cannot be opened with a key or a picklock, the lock including a lock body, a lock mechanism inside the lock body for moving the lock bolt, a rotary knob, a key cylinder and a first rotary spindle, which is between the rotary knob and the lock mechanism and the spindle head of which is in engagement with the lock mechanism, the accessory further containing a safety latch and a transfer mechanism, by which the safety latch is to be transferred from a security locking release position into a security locking position.

[0002] The international patent application of the applicant, WO201420832, presents a similar accessory for security locking of a lock. Using this known accessory, the disadvantage of known locks can be solved, namely the possibility of unauthorized opening of the lock with illegitimate copy keys, master keys or a picklock.

[0003] Other prior art solutions are disclosed in US 5909919, WO 2011/160188, US3095724 and GB 2206920.

[0004] US 5909919 discloses an auxiliary lock assembly with additional interior locking function to prevent from unlatching from outside. The auxiliary lock assembly comprises a casing securely attached to the inner side of the door plate and including a first hole, a mount plate securely attached to the casing and including a second hole in alignment with the first hole, and a latch plate mounted on the mount plate and movable in a direction toward and away from the second hole. The latch plate has a first end extending beyond the casing and a second end inside the casing. An engaging wheel is rotatably received in the second hole of the mount plate and releasably engages with the second end of the latch plate. An actuating wheel is rotatably received in the first hole of the casing and is rotatable to a position to engage with the engaging wheel to rotate therewith. A switch button is mounted outside the casing and securely attached to the actuating wheel to rotate therewith.

[0005] WO 2011/160188 discloses an actuator assembly for use with a mortice lock assembly and a mortice lock assembly incorporating the actuator assembly. The actuator assembly comprises a rotary ring cooperating with a follower, so that rotation of the rotary ring results in linear movement of the follower 26. This in turn causes rotation of a lever to move a detent slide which cooperates with an inner and outer detent members for moving them to their locked or unlocked position.

[0006] US3095724 discloses a door lock and dead bolt mechanism for a door lock. The mechanism includes a first spindle head with an extension part and a second rotary spindle on which is directly mounted a second rotary ring.

[0007] GB 2206920 discloses a lever handle door lock structure adapted to permit opening by means of a magnetic card key.

[0008] The object of this invention is to further develop said accessory such that it is now better adapted for certain types of lock mechanisms. These types are particularly such lock mechanisms, in which the rotary spindles to be rotated by a key and a rotary knob function independently of each other.

[0009] This object is achieved in the invention on the basis of the characterizing features presented in the accompanying claim 1. Preferred embodiments of the invention are presented in the dependent claims.

[0010] In the following, one embodiment of the invention is described in more detail by means of reference to the accompanying figures, in which

Fig. 1

shows a lock equipped with an accessory according to the invention in a view along the plane of the door,

Figs. 2A and 2B

show an accessory according to the invention in exploded views,

Fig. 3

shows a view of the upper part of a lock equipped with an accessory according to the invention, as seen from outside the door, and

Fig. 4

shows the cooperation between the parts contained in the lock mechanism and their mutual positions.

[0011] Embedded in a door 1 seen in Fig. 1 is a lock body 2 containing a conventional lock mechanism 30, which translates the rotational movements of the key and rotary knob 3 into movements of the bolt 38. The rotary knob 3 and the key cylinder 4 are on opposite sides of the door and the lock body. The two-part rotary spindle 5a, 5b shown in Figs. 2A and 2B is between the rotary knob 3 and the lock mechanism 30 and extends through the accessory 6. The rotary spindle 5a, 5b is in engagement with the lock mechanism 30 and extends into the rotary knob 3. The handles are designated with reference numeral 37, and with reference numeral 39 the trigger bolt, which as the door closes triggers the lock bolt 38 into the dead-bolted position, when the pin 35 is in the upper position.

[0012] An accessory 6 according to the invention is installed between the rotary knob 3 and the lock body 2. In the present case, the rear casing 6b of the accessory 6 is against the surface of the door 1. The safety latch 8 is to be moved from a security locking release position into a security locking position, in which the flat spindle part 5b of the rotary spindle 5a, 5b is located in the slot 9 of the safety latch 8 and thus prevents the rotational movement of the rotary spindle 5a, 5b. In the security locking release position, the spindle part 5b is able to rotate freely in the hole 10 of the safety latch 8.

[0013] Fig. 3 shows the lock mechanism parts essential for the invention. They are the first rotary ring 16, with which the spindle head 15 is in engagement, and the second rotary ring 17, with which the second rotary spindle 25 to be rotated by a key, is in engagement, as well as the bolt shifter 18, which is shifted by the first and second rotary rings 16, 17 as they rotate. Both rotary rings 16 and 17 have hourglass-shaped openings, with which the heads of the rotary spindles 5a, 5b and 25 are in engagement.

[0014] The spindle head 15 of the rotary spindle 5a, 5b is in engagement with the first rotary ring 16. The extension part 15a of the spindle head 15 is dimensioned and shaped to extend through the first rotary ring 16 into engagement also with the second rotary ring 17, wherein, as the first rotary spindle 5a, 5b is being locked as non-rotatable in the security locking position of the safety latch 8, the extension part 15a of the spindle head 15 also prevents the second rotary ring 17 from rotating by means of the second rotary spindle 25. The engagement is form-locked in the direction of rotation. For this reason, the extension part 15a is an arch, the ends of which rest against the narrowings 17a of the opening of the second rotary ring 17, which narrow the otherwise round opening into the shape of an hourglass. Both rotary rings 16 and 17 have thus hourglass-shaped openings (Figs. 3 and 4), with which the heads of the rotary spindles 5a, 5b and 25 engage in order to rotate the rotary rings. In its longitudinal direction, the rotary spindle 5a, 5b is divided into two parts 5a and 5b. The bar-like part 5a is fitted non-rotationally into the rotary knob 3 and the flat part 5b is equipped with the spindle head 15 and its extension part 15a and functions in cooperation with the safety latch 8.

[0015] The bolt shifter 18 is plate-like and has on both of its sides separate rotary rings 16 and 17 one upon the other. The second rotary ring 17 engages with the rotary spindle 25 to be rotated by a key. Thus, the bolt shifter 18 can be moved both by the key as well as by the rotary knob. When the invention is used, the lock mechanism 30 must be in the dead-bolted position, i.e. in the so-called night position (the pin 35 in the upper position).

[0016] The parts shown in Figs. 2A and 2B are assembled for a compact package. The safety latch 8 is a plate-like slide, the transfer mechanism 7, 8a, 14, 14a of which contains an annular turner 7, by the turning back and forth of which the safety latch 8 is to be moved back and forth (up and down in the figure) between the security locking position and the security locking release position. For the purpose of this moving, there is inside the turner 7 a lug 14 with a groove 14a equipped with a rising spiral, with which groove the peg 8a of the safety latch 8 is in engagement. The rear casing 6b has sliding guides 23, which limit the reception space of the safety latch 8, in which the safety latch is able to move. On the side of the front casing 6a, sliding guides 13 limit the reception space of the safety latch 8. On top of the front casing 6a is placed the cover plate 11, which is attached to the front casing with a retainer 12. The retainer 12 is of plastic and all the other parts are of a metal, such as zinc and stainless steel, suitable for this purpose.

[0017] The rear casing 6b is attached by screws to the front casing. Sleeve-like spacer bulges between the casings keep the casings 6a and 6b at a suitable distance from each other. The turner 7 remains rotatable around the edges of the casings 6a and 6b. In this case, the safety latch 8 is to be moved back and forth in its longitudinal direction as the turner 7 is turned back and forth.

[0018] As is seen from Figs. 3 and 4, the spindle head 15 extends through the first rotary ring 16 into the opening of the second rotary ring 17, with which it engages in a form-locked manner and thus prevents the movements of both rotary rings 16 and 17 and the bolt shifter 18. In this case, the lock cannot be opened with a key or a picklock, because the bolt shifter 18 also cannot be moved by the rotary spindle 25 outside the door.

[0019] Coloured indicators (for example, red and green) can indicate to a user in the room whether the security locking is on or not. These indicators can also be generated with LED lights if the accessory is equipped with a battery or a power supply. If the accessory is equipped with a battery or a power supply, the safety latch 8 manoeuvring can be arranged using an electrical drive, such as a servo, a solenoid or a motor. In this case, the safety latch 8 manoeuvring can be controlled wirelessly using a remote control device, such as a smartphone. The transfer mechanism described above can be replaced by a simpler mechanism, with which the back and forth movement of the safety latch 8 is achieved. The transfer mechanism may be just a solenoid and, for manual use, a button or a lever, which is moved by a finger back and forth. The required movement distance is quite small and movement of the light safety latch requires only a little energy.

[0020] An accessory according to the invention can be applied particularly to locks used in the exterior doors of apartments, multi-storey apartment doors, or patio doors. In this case, the possibility of mechanically manipulating the safety latch from outside the door must be completely precluded. In other words, the mechanical manoeuvring means of the safety latch can only be mechanically manipulated from inside the door. From outside the door, however, it is possible to allow the manipulation of the electrically operated safety latch 8 of the accessory controlled by a safety code.

Claims

1. A lock comprising an accessory for security locking of said lock, said accessory enabling the locking of the door lock such that the lock cannot be opened with a key or a picklock, the lock including a lock body (2), a lock mechanism (30) inside the lock body for moving the lock bolt (38), a rotary knob (3), a key cylinder (4) and a first rotary spindle (5a, 5b), which is between the rotary knob (3) and the lock mechanism (30) and the spindle head (15) of which is in engagement with the lock mechanism (30), the accessory further containing a safety latch (8) and a transfer mechanism (7, 8a, 14, 14a), by which the safety latch (8) is to be transferred from a security locking release position into a security locking position, characterized in that the lock mechanism (30) includes a first rotary ring (16), with which the spindle head (15) is in engagement, and a second rotary ring (17), with which a second rotary spindle (25) to be rotated by a key is in engagement, as well as a bolt shifter (18), which is shifted by the first and second rotary rings (16, 17) as they rotate, wherein the spindle head (15) is equipped with an extension part (15a), which is dimensioned and shaped to extend through the first rotary ring (16) into engagement with the second rotary ring (17), wherein, as the first rotary spindle (5a 5b) is being locked as non-rotatable in the security locking position of the safety latch (8), the extension part (15a) of the spindle head (15) prevents the second rotary ring (17) from rotating by means of the second rotary spindle (25).

2. A lock according to claim 1, characterized in that, in use, the accessory (6) is on the interior side of the door (1) between the rotary knob (3) and the lock body (2) and the first rotary spindle (5a, 5b) extends through the accessory (6).

3. A lock according to claim 1 or 2, characterized in that the spindle head (15) is fitted into the hourglass-shaped openings of the rotary rings (16, 17).

4. A lock according to any one of claims 1-3, characterized in that the safety latch (8) is a plate-like slide, which has a hole (10) and a slot (9), and the first rotary spindle (5a, 5b) has a flat part (5b), which extends through the hole (10) when the safety latch (8) is in the security locking release position and through the slot (9) when the safety latch (8) is in the security locking position.

5. A lock according to any one of claims 1-4, characterized in that the transfer mechanism (7, 8a, 14, 14a) includes a turner (7), by the turning back and forth of which the safety latch (8) is to be moved back and forth between the security locking position and the security locking release position.

Ansprüche

1. Schloss, umfassend ein Zubehör zum Sicherheitsversperren des Schlosses, wobei das Zubehör derartiges Versperren des Türschlosses ermöglicht, dass das Schloss nicht mit einem Schlüssel oder Dietrich geöffnet werden kann, wobei das Schloss einen Schlosskörper (2), einen Schlossmechanismus (30) innerhalb des Schlosskörpers zum Bewegen des Schlossriegels (38), einen Drehknopf (3), einen Schlüsselzylinder (4) und eine erste Drehspindel (5a, 5b) enthält, die zwischen dem Drehknopf (3) und dem Schlossmechanismus (30) liegt, und wobei der Spindelkopf (15) derselben in Eingriff mit dem Schlossmechanismus (30) steht, wobei das Zubehör ferner einen Sicherungsriegel (8) und einen Überführungsmechanismus (7, 8a, 14, 14a) enthält, durch den der Sicherungsriegel (8) aus einer Sicherheitsversperrungsfreigabeposition in eine Sicherheitsversperrungsposition überführt werden soll,
dadurch gekennzeichnet, dass der Schlossmechanismus (30) einen ersten Drehring (16), mit dem der Spindelkopf (15) in Eingriff steht, und einen zweiten Drehring (17), mit dem eine zweite Drehspindel (25), die durch einen Schlüssel gedreht werden soll, in Eingriff steht, sowie einen Riegelschieber (18) enthält, der durch den ersten und zweiten Drehring (16, 17) verschoben wird, wenn sie drehen, wobei der Spindelkopf (15) mit einem Erweiterungsteil (15a) ausgestattet ist, das zum Verlaufen durch den ersten Drehring (16) in Eingriff mit dem zweiten Drehring (17) bemessen und geformt ist, wobei, wenn die erste Drehspindel (5a, 5b) als nichtdrehbar in der Sicherheitsversperrungsposition des Sicherungsriegels (8) gesperrt wird, das Erweiterungsteil (15a) des Spindelkopfs (15) verhindert, dass der zweite Drehring (17) mittels der zweiten Drehspindel (25) dreht.

2. Schloss nach Anspruch 1, dadurch gekennzeichnet, dass, im Gebrauch, das Zubehör (6) auf der Innenseite der Tür (1) zwischen dem Drehknopf (3) und dem Schlosskörper (2) liegt und die erste Drehspindel (5a, 5b) durch das Zubehör (6) verläuft.

3. Schloss nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Spindelkopf (15) in die sanduhrförmigen Öffnungen der Drehringe (16, 17) eingepasst ist.

4. Schloss nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Sicherungsriegel (8) ein plattenähnliches Gleitstück ist, das ein Loch (10) und einen Schlitz (9) aufweist, und wobei die erste Drehspindel (5a, 5b) ein flaches Teil (5b) aufweist, das durch das Loch (10) verläuft, wenn der Sicherungsriegel (8) in der Sicherheitsversperrungsfreigabeposition ist, und durch den Schlitz (9) verläuft, wenn der Sicherungsriegel (8) in der Sicherheitsversperrungsposition ist.

5. Schloss nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Überführungsmechanismus (7, 8a, 14, 14a) einen Dreher (7) enthält, durch dessen Hin- und Herdrehung der Sicherungsriegel (8) zwischen der Sicherheitsversperrungsposition und der Sicherheitsversperrungsfreigabeposition hin- und herbewegt werden soll.

Revendications

1. Serrure comprenant un accessoire pour le verrouillage de sécurité de ladite serrure, ledit accessoire permettant le verrouillage de la serrure de la porte de manière à ce que le serrure ne puisse pas être ouverte avec une clé ou un rossignol, la serrure comportant un corps de serrure (2), un mécanisme de serrure (30) à l'intérieur du corps de serrure pour déplacer le pêne de serrure (38), un bouton rotatif (3), un cylindre à clé (4) et une première broche rotative (5a, 5b) qui se trouve entre le bouton rotatif (3) et le mécanisme de serrure (30) et dont la tête de broche (15) est en engagement avec le mécanisme de serrure (30), l'accessoire comprenant en outre un loquet de sécurité (8) et un mécanisme de transfert (7, 8a, 14, 14a) par lequel le loquet de sécurité (8) peut être transféré d'une position de relâchement de verrouillage de sécurité à une position de verrouillage de sécurité,
caractérisée en ce que le mécanisme de serrure (30) inclut un premier anneau rotatif (16) avec lequel la tête de broche (15) est en engagement, et un second anneau rotatif (17) avec lequel une seconde broche rotative (25) à tourner par une clé est en engagement, de même qu'un système de décalage de pêne (18) qui est décalé par les premier et second anneaux rotatifs (16,17) lorsqu'ils tournent, la tête de broche (15) étant équipée d'une pièce d'extension (15a) qui est dimensionnée et conformée de manière à s'étendre à travers le premier anneau rotatif (16) en s'engageant dans le second anneau rotatif (17), sachant que, lorsque la première broche rotative (5a, 5b) est verrouillée pour être non rotative dans la position de verrouillage de sécurité du loquet de sécurité (8), la pièce d'extension (15a) de la tête de broche (15) empêche le second anneau rotatif (17) de tourner au moyen de la seconde broche rotative (25).

2. Serrure selon la revendication 1, caractérisée en ce que, à l'usage, l'accessoire (6) est sur la face intérieure de la porte (1) entre le bouton rotatif (3) et le corps de serrure (2) et que la première broche rotative (5a, 5b) s'étend à travers l'accessoire (6).

3. Serrure selon la revendication 1 ou 2, caractérisée en ce que la tête de broche (15) est ajustée dans les orifices en forme de verres de montre des anneaux rotatifs (16,17).

4. Serrure selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le loquet de sécurité (8) est une lame en forme de plaque qui comporte un trou (10) et une fente (9), et que la première broche rotative (5a, 5b) comporte une pièce plate (5b) qui s'étend à travers le trou (10) lorsque le loquet de sécurité (8) est dans la position de relâchement de verrouillage de sécurité et à travers la fente (9) lorsque le loquet de sécurité (8) est dans la position de verrouillage de sécurité.

5. Serrure selon l'une quelconque des revendications 1 à 4, caractérisée en ce que le mécanisme de transfert (7, 8a, 14, 14a) inclut une molette (7) par la rotation vers l'avant et vers l'arrière de laquelle le loquet de sécurité (8) peut être déplacé vers l'avant et vers l'arrière entre la position de verrouillage de sécurité et la position de relâchement de verrouillage de sécurité.

Drawing