EP1881134B1 - Cylinder lock - Google Patents

Description

The invention relates to a cylinder lock, consisting of at least one in one, a web portion having cylinder housing rotatable cylinder core, which cooperates with a locking nose and optionally a mounting part in half-cylinder design for the corresponding door side, wherein the cylinder housing with a housing part of the mounting member or two cylinder housing via a Connecting bridge are connected and the locking lug on both sides of their cam is designed as a hollow cylinder, wherein in this hollow cylinder of the cylinder core or optionally a cylindrical part of the mounting part protrudes.

Such a cylinder lock is from the EP 1 039 073 A1 known. In this cylinder lock, the connecting bridge in the region of their connection to two through holes.

Furthermore are from the FR 2 728 929 A and the NL 90616 C similar cylinder locks known.

From the AT 405 960 B For example, a lock cylinder is known which comprises either two half cylinders or a half cylinder and a mounting part. The two half cylinders or the half cylinder with the mounting part are connected via a connecting bridge. The connecting bridge is formed from a cylinder bolt whose radius corresponds approximately to the rounding of the web portion of the cylinder housing. To extend the cylinder housing housing extension parts are provided. These housing extension parts are fastened by means of a screw on the inner end face of the cylinder housing. In a core bore of the housing extension part Kernverlängerungsteile are arranged, which are coupled to the cylinder core or with each other on rotation.

Other compositable from individual parts lock cylinder for different door thicknesses are for example from the EP 22 233 A1 , of the CH 679 169 A5 or the EP 438 654 A2 known.

The disadvantage of these lock constructions is that many individual parts are required for assembly in order to be able to refer to the variable mass of the doors.

The object of the invention is to provide a cylinder lock of the type cited above, with the one hand, the above-mentioned disadvantages are avoided and on the other hand has a simple structure and meets today's safety standards.
The object is achieved by the invention.

The cylinder lock according to the invention is characterized in that the connecting bridge in the region of its connection with the web portion has a slot, wherein the slot is aligned with at least one bore, in particular a threaded blind bore in the web portion, for a connecting element. With the invention, it is now possible, without further additional parts, to install the cylinder lock according to the predetermined door thickness dimensionally stable. By provided in the connecting bridge slot, the length of the cylinder lock can be adjusted continuously. Due to the design of the locking lug, namely the hollow cylinder provided on both sides of the cam, a stable assembly of the cylinder lock is provided. On the one hand, the hollow cylinder is mounted in a bore in the cylinder housing or in the mounting part and on the other hand protrudes into this hollow cylinder of the cylinder core or a cylinder part of the mounting part.

The serious advantage of the invention is thus to be seen in the telescopic length adjustment of the cylinder lock without further items. This cylinder lock according to the invention is suitable for installation in a very wide range of door thicknesses. Due to the stable condition after assembly, the safety standards are guaranteed.

According to a particular embodiment of the invention, the connecting bridge is arranged in each case a latching recess in the web portion of the cylinder housing or in the housing part. As a result, an additional, higher stability can be achieved in the assembled state of the cylinder lock

According to a particular embodiment of the invention, the length of each hollow cylinder is at least half the length of the connecting bridge. This ensures that at least half the length of the axial cam bit length serves as a guide in the cylinder housing.

According to a further embodiment of the invention, the hollow cylinder has at least one circumferential groove on the circumference of the shell. In these circumferential grooves circlips or Nutenringe, also called Seeger rings, used for securing. Circlips arranged on both sides of the cam prevent axial movement of the cam.

According to a particular embodiment of the invention, the hollow cylinder is a tube on which the cam is provided. The cam is fixedly mounted on the pipe. Due to this simple construction, an economical production of this component is given.

According to a particular feature of the invention, the contact surfaces of the connecting bridge and the latching recess are formed correspondingly in the connecting region of the web part. A stable assembly or a stable fit of the components is ensured.

According to a further embodiment of the invention, the connecting element is a screw. Due to this common machine element a fast and safe installation - without special tools - is possible.

According to a particular feature of the invention, this cylinder lock is designed as a profile double cylinder or double cylinder lock. Of course, too Training as Knauf double cylinder lock or Knauf Knauf double cylinder or as a half cylinder with a mounting part possible. According to the application, the invention is universally applicable.

According to a very special feature of the invention, at least one lock half is designed as an electronic lock. With this development of the invention it is now possible to realize an optionally fully electronic or digitized locking system. The sensor technology is practically not susceptible to interference, so that the functionality of the locking system is guaranteed. Another main advantage is the fact that, above all, no dismantling work on site during installation is necessary and the cylinder can be combined with any fitting. The production of such a cylinder according to the invention is extremely economical.

According to one embodiment of the invention, the electronic lock for the identification of an electronic key to an electronics that actuates at least one coupling element for the locking lug. Such coupling elements are mature and do not negatively impact on the economy.

According to one embodiment of the invention, the cylinder core contains at least the elements necessary for identifying a key code, in particular reading electronics. As a result, the cylinder core is possible for the first time as a fully electronic component in the lock cylinder. The reading electronics integrated in the cylinder core contribute to the more universal application of electronic locks. Above all, no extensive installation work, especially with regard to cabling o. The like., On site during installation necessary.

According to one embodiment of the invention, the reading electronics comprises at least one antenna and optionally a wake-up sensor and / or a status indicator. Thus, the corresponding electronics can be made compact.

According to a particular embodiment of the invention, the reading electronics also includes a write electronics. As a result, lock operations can also be stored on the electronic key. Such data may be an advantage for any controls or traceability.

According to a further embodiment of the invention, the antenna is designed as an integrated antenna in the cylinder core or the cylinder core itself as an antenna. In particular with regard to a miniaturization of the electronic components, this embodiment is of particular advantage.

According to a development of the invention, a transmitter is provided in the cylinder core. As a result, lock operations can also be stored on the electronic lock. As mentioned above, such data may be beneficial for any controls or traceability.

According to a particular embodiment of the invention, the cylinder core on a through hole. Due to this through hole simple, secure cable connections between the two door sides are possible.

According to a further particular embodiment of the invention, the reading electronics are connected to the transmitter via a provided in the through hole connecting cable. As already mentioned, simple, safe cable connections between the two door sides are possible due to this through hole. Sliding contacts that are extremely susceptible to interference are avoided.

According to one embodiment of the invention, the coupling element for the mechanical connection of cylinder core is provided with the locking lug in the cylinder core. As a result, the mechatronic cylinder core of the further mechatronic cylinder core with the closing lug with a coupling element is coupled simultaneously, preferably in miniature design, with the mechatronic cylinder core.

According to a particular feature of the invention, the cylinder core protrudes at least 5 mm, preferably at least 10 mm, out of the cylinder housing. As a result, no disturbing influences of other metal parts are given and any shielding problems do not occur.

According to one embodiment of the invention, an actuating handle, such as a rotary handle or a pusher, attached to the protruding from the cylinder housing end of the cylinder core. As a result, a simple assembly of the cylinder and of course the operating handle on site, in particular without special tools, guaranteed.

• Fig. 1 zeigt ein- nicht erfindungsgemäßes - Doppelzylinderschloss;
• Fig. 2 eine Verbindungsbrücke;
• Fig. 3 die Verbindungsbrücke gemäß Fig. 2 im Schnitt
• Fig. 4 eine Schließnase
• Fig. 5 die Schließnase gemäß Fig. 4 im Schnitt und
• Fig. 6 ein - nicht erfindungsgemäßes - elektronisches Knauf-Zylinderschloss.

The invention will be explained in more detail with reference to exemplary embodiments, which are illustrated in the drawing. Show it:

• Fig. 1 shows a non-inventive double cylinder lock;
• Fig. 2 a connecting bridge;
• Fig. 3 the connecting bridge according to Fig. 2 on average
• Fig. 4 a closing nose
• Fig. 5 the locking nose according to Fig. 4 on average and
• Fig. 6 a - not inventive - electronic Knauf cylinder lock.

According to the Fig. 1 is a double cylinder lock 1, consisting of two cylinder housings 2, 3 shown. In each cylinder housing 2, 3, a rotatable cylinder core 4, 5 is provided in each case. The cylinder core 4, 5 cooperates with a closing nose 6.

The two cylinder housing 2, 3 are connected to each other via a connecting bridge 7, wherein each cylinder housing 2, 3 for the arrangement of the connecting bridge 7 has a latching recess 8 in the web part 9. The contact surfaces of the connecting bridge 7 and the latching recess 8 in the connecting region of the web part 9 are formed correspondingly.

In the hollow cylinder of the cylinder housing 2, 3 is - coaxially with the cylinder cores 4, 5 - mounted the locking lug 6, wherein on both sides of the cam 10 of the locking lug 6, this is designed as a hollow cylinder 11. In this hollow cylinder 11 of the locking lug 6 protrude the ends of the cylinder cores 4, 5th

The two cylinder locks for the double cylinder lock 1 are thus connected on the one hand via the connecting bridge 7 and on the other hand via the hollow cylinder 11 of the locking lug 6 guided positively.

The connecting bridge 7 has in the region of its connection to the web part 9 a slot 13, wherein the slot 13 with at least one bore 14, in particular a threaded blind bore in the web part 9, for a connecting element 15, for example a screw o. The like., Aligned. The connecting bridge 7 could also have a plurality of through bores 12 in addition to the slot 13.

Through the provided in the connecting bridge 7 through holes 12 and through the slot 13 can - in cooperation with the hollow cylinder 11 of the locking lug 6 - the length of the double cylinder lock 1 are fine-scale or continuously adjusted. This allows, without further additional parts, to install the double-cylinder lock 1 according to the predetermined door thickness dimensionally stable.

The cylinder core 4, 5 is held by a provided in the groove 16 Segerring against axial displacement. Likewise, the locking lug 6 via Segerringe on both sides of the cam 10 which engage in circumferential grooves 17 of the hollow cylinder 11, held axially.

According to the FIGS. 2 and 3 the connection bridge 7 is shown in detail. As already briefly mentioned, the connecting bridge 7 in the region of its connection to the web part 9, a slot 13 and optionally a plurality of through holes 12, wherein the through holes 12 and the slot 13 with at least one bore 14, in particular one Threaded blind bore in the web part 9, for a connecting element 15 are aligned. For attachment of the dimensionally assembled double cylinder lock 1 in the door leaf, the connecting bridge 7 has a bore 18.

According to the 4 and 5 the locking lug 6 is shown in detail. The locking lug 6 is formed on both sides of its cam 10 as a hollow cylinder 11. In this hollow cylinder 11 of the cylinder core 4, 5 and a cylinder part of a mounting part, as will be explained later. The hollow cylinder 11 has on its outer lateral surface circumferential grooves 17 for the above-described function of the Segerringe. The length of each hollow cylinder 11 is at least half the length of the connecting bridge 7. Thus, a sufficient guidance of the cylinder housing 2, 3 is ensured.

Of course, the locking lug 6 could be designed such that the hollow cylinder 11 is a tube on which the cam 10 is provided.

This Vario system described above - now with respect to the particular stepless length adjustment - is of course not limited to double cylinder locks 1. It can also be designed as a knob-double cylinder or as a knob-knob double cylinder or as a half-cylinder with a mounting part, wherein the cylinder housing 2 and 3 is connected to a housing part of the mounting part via a connecting bridge 7, executed.

According to the Fig. 6 a particularly advantageous embodiment is shown. In this embodiment, as a knob double cylinder lock 20, the lock is designed as an electronic lock.

Of course it is also possible to design only one lock half as an electronic lock.

According to the Fig. 6 are the two cylinder housing 2, 3, preferably in the tap profile, via the connecting bridge 7 according to the FIGS. 2 and 3 connected with each other. In the hollow cylinders of the cylinder housing 2, 3, the locking lug is the sixth according to the Fig. 4, 5 stored. On both sides of the cam 10 of the locking lug 6, this is designed as a hollow cylinder 11. In this hollow cylinder 11 of the locking lug 6 is a coaxial cylinder core 21. About a snap ring, which is arranged in the groove 16, the cylinder core 21 is secured in the cylinder housing 2. The cylinder core 21 rotates freely in the decoupled state and is positively connected to a cylinder core coupling 23.

The two cylinder housing 2, 3 are therefore connected on the one hand via the connecting bridge 7 and on the other hand positively guided over the hollow cylinder 11 of the locking lug 6. As a result, the length of this knob double cylinder lock 20 can be adapted without any additional parts and with the simplest tool to each door leaf.

The connecting bridge 7 has in the region of its connection to the web part 9 a slot 13 and optionally a plurality of through holes 12, wherein the through holes 12 and the slot 13 with at least one bore 14, in particular a threaded blind hole in the web part 9, for a connecting element 15, for example a screw o. The like., Are aligned.

The cylinder knob 22 is located on the inside of a door. The cylinder knob 22 includes the following parts: a cylinder core coupling 23, which is formed in the cylinder knob 22 as a disc and centrally protrudes as a tube in the hollow cylinder of the cylinder housing 2, 3. The cylinder core coupling 23 is positively connected to the cylinder core 21. Furthermore, a fan disk 24, which likewise has a centric pipe, is provided parallel to the disk of the cylinder core coupling 23. This centric tube of the fan disc 24 is rotatably connected to the locking lug 6.

Furthermore, a locking device 25 is provided in the cylinder knob 22, wherein this locking device 25 includes a, optionally via a motor, axially displaceable pin 30 which rotatably couples the disc of the cylinder core coupling 23, the fan disk 24 and the cylinder knob 22 with each other.

On the disc of the cylinder core coupling 23 is further the electronics, preferably an evaluation 26, for the cylinder lock with the associated voltage source, in particular a battery 27, is provided.

In the cylinder core 21 at least the reading electronics 28 is provided, this reading electronics 28 may also include a write electronics. Of course, the evaluation 26 could be arranged in the cylinder core 21.

In the illustrated embodiment, the cylinder core 21 has a through hole, wherein a connection cable 29 provided in the through-hole connects the reading electronics 28 to the evaluation electronics 26.

Claims (23)

1. Cylinder lock consisting of at least one cylindrical core (4, 5, 21) which is rotatable in a cylinder housing (2, 3) comprising a crosspiece (9) and interacts with a closing latch (6) and, if required, an assembly part in a semicylindrical form for the corresponding door side, whereby the cylinder housing (2, 3) is connected with a housing part of the assembly part or two cylinder housings (2, 3) are connected via a connecting bridge (7) and the closing latch (6) is formed as a hollow cylinder (11) on both sides of its lock lug (10), whereby the cylindrical core (4, 5, 21) or, if required, a cylindrical part of the assembly part protrudes into this hollow cylinder (11), characterised in that the connecting bridge (7) comprises a long hole (13) in the region of its connection with the crosspiece (9), whereby the long hole (13) is aligned with at least a bore (14), in particular a thread blind hole in the crosspiece (9), for a connecting element (15).
2. Cylinder lock in accordance with Claim 1, characterised in that the connecting bridge (7) is arranged respectively in a locking recess (8) in the crosspiece (9) of the cylinder housing (2, 3) or in the housing part.
3. Cylinder lock in accordance with Claim 1, characterised in that the length of each hollow cylinder (11) is at least half the length of the connecting bridge (7).
4. Cylinder lock in accordance with Claim 1 or 2, characterised in that the hollow cylinder (11) comprises at least a peripheral groove (17) on the case periphery.
5. Cylinder lock in accordance with one or more of Claims 1 to 3, characterised in that the hollow cylinder (11) is a tube on which the lock lug (10) is provided.
6. Cylinder lock in accordance with one or more of Claims 1 to 4, characterised in that the contact surfaces of the connecting bridge (7) and the locking recess (8) in the connecting area of the crosspiece (9) are designed correspondingly.
7. Cylinder lock in accordance with one or more of Claims 1 to 5, characterised in that the connecting element (15) is a screw.
8. Cylinder lock in accordance with one or more of Claims 1 to 6, characterised in that it is designed as profile double cylinder or double cylinder lock (1).
9. Cylinder lock in accordance with one or more of Claims 1 to 7, characterised in that it is designed as knob double cylinder lock (20).
10. Cylinder lock in accordance with one or more of Claims 1 to 8, characterised in that it is designed as knob-knob double cylinder.
11. Cylinder lock in accordance with one or more of Claims 1 to 9, characterised in that it is designed as semicylinder with an assembly part.
12. Cylinder lock in accordance with one or more of Claims 1 to 10, characterised in that at least one lock half is designed as electronic lock.
13. Cylinder lock in accordance with Claims 12, characterised in that the electronic lock is provided with electronics for identification of an electronic key which activate at least a coupling element for the closing latch (6).
14. Cylinder lock in accordance with Claim 12 or 13, characterised in that the cylindrical core comprises at least the elements required for identification of a key code, in particular reading electronics (28).
15. Cylinder lock in accordance with one or more of Claims 12 to 14, characterised in that the reading electronics (28) comprise at least an antenna and, if required, a wake-up sensor and/or a status indicator element.
16. Cylinder lock in accordance with Claim 14 or 15, characterised in that the reading electronics (28) also comprise writing electronics.
17. Cylinder lock in accordance with one or more of Claims 12 to 16, characterised in that the antenna is designed as an integrated antenna in the cylindrical core (4, 5, 21) or the cylindrical core (4, 5, 21) itself is designed as an antenna.
18. Cylinder lock in accordance with one or more of Claims 12 to 17, characterised in that evaluator electronics (26) are provided in the cylindrical core (4, 5, 21).
19. Cylinder lock in accordance with one or more of Claims 12 to 18, characterised in that the cylindrical core (21) is provided with a through-bore.
20. Cylinder lock in accordance with one or more of Claims 12 to 19, characterised in that the reading electronics (28) are connected with the evaluator electronics (26) via a connecting cable (29) provided in the through-bore.
21. Cylinder lock in accordance with one or more of Claims 1 to 20, characterised in that the coupling element for mechanical connection of the cylindrical core (4, 5) with the closing latch (6) is provided in the cylindrical core (4, 5).
22. Cylinder lock in accordance with one or more of Claims 1 to 21, characterised in that the cylindrical core (4, 5, 21) protrudes at least 5 mm, preferably at least 10 mm, out of the cylinder housing (2, 3).
23. Cylinder lock in accordance with one or more of Claims 1 to 22, characterised in that an operating handle, for example a turning handle or a latch is mounted to the end of the cylindrical core (4, 5, 21) protruding from the cylinder housing (2, 3).

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