EP1574643A1 - Electromechanical lock cylinder - Google Patents

Abstract

The electromechanical cylinder lock has a cylinder (1) with a first half (2) housing (5) on the outside of the door and a rotor (7) with a slot (8) for a security radio key. A connection piece (10) joins the first cylinder housing with a housing (6) for a second cylinder half on the inside of the door. There may be length adjustment pieces (16). There is a hand knob (24) on the inside containing electronic control circuits, connected to the outer cylinder housing.

Description

The invention relates to an electromechanical lock cylinder, with a door-outside to be arranged first cylinder half with a key channel for a security key and a door inner side to be arranged second cylinder half with a Rotary knob rotor connected to a knob, with tumblers mounted in the first cylinder half are arranged and the with the security key to the rotation release are to be classified and with an arranged in the knob electronic control for controlling a blocking device. The invention also relates to a knob for a lock cylinder and a construction kit for producing an electromechanical Lock cylinder.

Electromechanical cylinder locks are described for example by EP 0 816 600, DE 199 30 054 C, EP 1 256 671 A and EP 0 743 411 B have become known. Such electromechanical cylinder locks offer an electronic coding Higher security and enable a simpler design of locking systems.

An electromechanical lock cylinder with a door inside knob is out of EP 1 188 887 A has become known. This has in addition to the usual pin tumblers in the door-side cylinder half an electronic locking system with a additional locking device, which is also in the door-side cylinder half is arranged. In the key ridge of the key, a transmitter is arranged, the one encoded signal sent to a receiving antenna in the housing of the lock cylinder is arranged. An electronic circuit analyzes the coded signal and compares this with several stored codes. If the key is recognized as authorized, will from the electronic circuit a signal to unlock said additional Locking device triggered. The unlocking is done for example by adjusting a Locking pin with a motor powered by a battery. This battery is For example, housed in said knob. After the said unlocking is the lock cylinder but still locked by the usual tumblers and can On the outside of the door with the key to be operated only after these usual tumblers has been classified by the mechanical coding of the key. The electronic Circuit is arranged in the rotary knob and partially in the cylinder housing and forms a fixed bearing pin for the sleeve-shaped handle part of the knob. The electronic circuit is not shown here means on the housing of the inner Cylinder half attached.

EP 1 079 051 A discloses a locking device with a rotary knob below a cup-shaped handle has control electronics. For holding the control electronics the housing of the closing device has a flange. Through this Flange is passed through a shaft connected to the rotor. This wave is with welded to a bottom portion of the cup-shaped handle. The cup-shaped handle becomes For example, to change a battery together with said shaft from the Housing pulled out.

Lock cylinder There are a number of profile variants that are on the world market Tobe offered. The invention is based on the object, an electromechanical Lock cylinder to create that for all known profile variants a particularly rational production and assembly possible.

The object is in a generic electromechanical lock cylinder solved by the fact that the knob with the electronics arranged therein a unit forms, releasably mounted on a housing on the extension of the rotary knob rotor is detachably mounted and that the rotary knob rotor by an interchangeable spacer in its length is changeable.

When electromechanical lock cylinder according to the present invention forms the Rotary knob with the electronics arranged therein a unit. The connection of Electronics to the housing of the cylinder is pluggable. For this connection is in the case the cylinder only requires a hole, a costly screwing unnecessary yourself. This allows a simple construction on a wide variety of cylinder profiles, without the hitherto required use of a special adapter to each cylinder profile had to be individually adjusted and screwed. The rotary knob rotor is thus a universal carrier for different cylinder profiles, whereby here also one Rotary knob rotor without electronics is usable.

According to one embodiment of the invention, the rotary knob rotor is a replaceable Intermediate piece changeable in its length. This is another feature possible to create a kit system, with which different from the same items long cylinder locks can be produced. This can be an essential Rationalization and a significant reduction in storage achieved become.

According to a development of the invention, the electronics are housed in the knob is to be arranged by means of a plug connection with the housing of the inside of the door second cylinder half connected. To make this connection is mentioned on Housing only one hole required. This has the significant advantage that a trouble-free construction of the rotary knob on a wide variety of cylinder profiles without a special adapter is possible. The inventive lock cylinder can thus be prepared with a variety of commercially available profiles.

According to a development of the invention, the connector has a pin which floatingly engages in a recess of the housing of the second cylinder half. This floating bearing has the significant advantage that the electronics in the Knob is protected against knocks on the cylinder. Shakes of the cylinder are thus not transferred directly to the electronics.

According to a development of the invention, the electronics with a cable with a Actuator connected, which is arranged in the first cylinder half. This is one ensures safe electrical connection between the electronics and the Aktua gate.

According to a development of the invention, the cable has at its two ends respectively a plug. With one plug is the cable with the electronics and with the other plug connected to the actuator or the locking device. This can the cable for lengthening or shortening the lock cylinder in a simple manner be separated from the electronics or the actuator. In the basic version is the cable preferably designed to have a reserve area for extension the lock cylinder can be used.

According to a development of the invention, the two cylinder halves with a Connecting bar detachably connected together. For an extension of the lock cylinder the two cylinder halves can be separated from each other and after installation of a or several extension pieces are reassembled.

According to a development of the invention it is provided that the connecting web for different cylinder lengths can be used. For this purpose, the cylinder web has an excess number of holes, which are used depending on the cylinder length.

According to a development of the invention, the connecting web on its underside a groove in which the cable is inserted. This allows the cable into the connecting bridge be integrated, what the assembly and also a possible extension facilitated.

The invention also relates to a rotary knob for an electromechanical lock cylinder according to claim 1. The knob forms a unit which is detachable on the extension the rotary knob rotor is fastened.

According to a development of the invention, the knob has a pot-shaped handle part on, in the front open end of a bearing disc is inserted, which has an opening for the passage of a cable and an opening for receiving a connecting pin having. With the connecting pin, the electronics of the knob with the Housing of the second cylinder half coupled. Through the second opening becomes the cable pulled through, which connects the electronics with the actuator.

According to a development of the invention, the bearing disc with a snap ring on attached cup-shaped handle part. This makes it possible to put in the knob Easy to replace batteries.

According to a development of the invention, the knob with a snap ring on Rotary knob rotor removably attached.

According to a development of the invention, the knob in the cup-shaped handle part a sliding sleeve in which a carrier is mounted for the electronics. Preferably in this carrier also housed at least one battery.

The invention also relates to a construction kit for producing an electromechanical Locking cylinder according to claim 1. This comprises at least a first cylinder half with tumblers and an electronically controllable actuator, with which the rotor the first cylinder half is lockable, with a second cylinder half, the one extended Having a rotary knob rotor, on which a rotary knob is mounted, with intermediate pieces, with which the rotary knob rotor can be extended and with further intermediate pieces, with to which the housings of the first and second cylinder halves are extendible. With this Modules can be electromechanical cylinder locks with different lengths getting produced. An already installed locking cylinder can also at any time be extended or shortened if necessary.

Figur 1

eine räumliche Ansicht eines erfindungsgemässen Schliesszylinders, wobei einzelne Teile auseinander gezogen sind,

Figur 2

eine räumliche Ansicht des Drehknopfes und des Drehknopfrotors, wobei auch hier einzelne Teile auseinander gezogen sind,

Figur 3

eine räumliche Ansicht zu jeder Station der schwimmenden Lagerung des Drehknopfes am Schliesszylinder,

Figur 4

eine vereinfachte Schnittdarstellung eines erfindungsgemässen Zylinderschlosses,

Figur 5

eine räumliche Ansicht eines Aktuators und eines Verbindungskabels,

Figur 6

eine Ansicht eines Verbindungssteges mit eingelegtem Kabel,

Figur 7

eine Ansicht des Verbindungssteges, wobei das Kabel weggelassen ist, und

Fig. 8a-8d

Ansicht verschiedener Profile des erfindungsgemässen Schliesszylinders.

An embodiment of the invention will be explained in more detail with reference to the drawing. Show it:

FIG. 1

3 is a perspective view of a lock cylinder according to the invention, wherein individual parts are pulled apart,

FIG. 2

a spatial view of the knob and the rotary knob rotor, whereby also here individual parts are pulled apart,

FIG. 3

a spatial view of each station of the floating mounting of the knob on the lock cylinder,

FIG. 4

a simplified sectional view of an inventive cylinder lock,

FIG. 5

a spatial view of an actuator and a connecting cable,

FIG. 6

a view of a connecting web with inserted cable,

FIG. 7

a view of the connecting web, wherein the cable is omitted, and

Fig. 8a-8d

View of various profiles of the inventive lock cylinder.

The lock cylinder 1 shown in FIG. 1 essentially has a first cylinder half 2, a second cylinder half 3 and a knob 24. The two Zylinderhälf th 2 and 3 are releasably connected to a connecting web 12. The first Cylinder half 2 has a housing 5 and a rotor 7 and not shown here Pin tumblers, which are arranged with a indicated in Figure 4 key 44 can. For this purpose, the rotor 7 has a key channel 8. In the first cylinder half 2 is In addition, the further locking device shown in Figure 5 is arranged, which with a Signal a housed in the handle 25 electronics 17 can be controlled.

Between the two cylinder halves 2 and 3, a driver 10 is arranged, the one Beard 11, with which a latch, not shown here, of a lock are actuated can. The driver 10 is rotatably connected to a rotary knob rotor 4, which in turn rotatably connected to the knob 24 is connected. By turning the knob, the Driver 10 is rotated and so that said bolt be moved. A coupling organ 23, which is axially displaceable against the retroactive force of a spring 22 is when inserting the key 44 in the keyway 8, the rotor 7 with the driver 10 connected. With an authorized key 44 thus the driver 10th rotated and thus also said latch be moved.

The second cylinder half 3 has a housing 6 with a passage 51 in which the rotary knob rotor 4 is mounted. the housing 6 is extensible with extension pieces 16, which have the same profile as the housing 6 and each also one Passage 52 own. With these extension pieces 16 and the housing 5 is the first cylinder half 2 extendible. If such extension pieces 16 are used, so must be extended according to the rotary knob rotor 4. These are different long extension pieces 18a, 18b and 18c provided. For connecting the extension pieces 18a to 18c with the rotary knob rotor 4 this has a dovetail groove 19, in which a corresponding slide part 19a of the intermediate piece 18a, 18b and 18c is insertable. A same connection is also provided to a coupling piece 21. The coupling piece 21 has a groove 61, in which a not shown here Locking element is used, with which the coupling piece anchored to the cylinder is.

The cylinder housing 6 also has a recess 15 in a cylinder sack, which receives one half of the connecting web 12. To anchor the housing 6 at the connecting web 12, the housing 6 has a bore 54 for receiving a Pin 14. The extension pieces 16 also have corresponding recesses 53. The connecting web 12 has centrally a thickening 49 (FIG. 6) with a Forend screw hole 13.

As already mentioned above, the first half cylinder 2 has conventional pin tumblers, the be classified by not shown here control surfaces of the key 44. These Control surfaces are, for example, through holes in the shaft 44 a of the key 44th realized. The key 44 is preferably a reversible key, in principle, this can However, also be designed as a so-called Zackenschlüssel or otherwise. to electronic blocking of the rotor 7 of the first cylinder half 2 is closer in Figure 5 shown locking device 43 is provided. This is according to Figure 1 in the lower part and thus stored in cylinder bag 9 of the housing 5. The locking device 43 has according to Figure 5 shows a housing 55 to which a locking member 46 is mounted. This one is not with one here shown housed in the housing 55 motor between two positions movable. In one of the positions of the locking member 46 engages in recesses of the rotor 7 and locks this opposite the housing 55. In the other retracted position is this Intervention canceled. On the housing 55, an antenna 47 is also arranged, which Receives signals from a transmitter 56 which is arranged in the key 44. The blocking part 46 and the antenna 47 form a unit which controls the mechanical function of the pin tumblers not impaired. About an electrical cable 29, the locking device 43 with an electronics 17 connected, according to Figure 4 in the knob 24 and thus inside the door is arranged. About the cable 29, the locking device 43 for actuating the Motor connected to a power source and in particular a battery 41, which is also arranged in the knob 24 according to FIG. The battery 41 and the Electronics 17, which is arranged on a plate 36, are fixed to a support 32, the is shown in FIG. In the carrier 32, a battery holder 33 is inserted, which with a Sponge rubber 34 is fixed to a disc 57, with two mounting screws 35 on Carrier 32 is attached. The plate 36 with the electronics is with four mounting screws 37 attached to the carrier 32. For receiving an extension 4a of the rotary knob rotor 4, the carrier 32 has a passage 58. On the carrier 32 is a bearing disc 39 arranged, which is rotatably connected to two pins 38. To record the two Pins 38 has the carrier 32 front two corresponding holes 59. The carrier 32nd is arranged in a circular cylindrical sleeve 31 which is made of plastic and for the handle part 25 serves as a sliding sleeve.

To change the battery 41, the lock cylinder must be removed so that the Snap ring 26 becomes accessible. An unnoticed removal of the battery 41 is therefore hardly possible.

FIG. 3 shows the position of the bearing disk 39, which, as mentioned, is non-rotatable with the bearing disk Carrier 32 and thus connected to the electronics 17. To record the extension 4a of Drehlmopfrotors 4, the bearing disc also has a central passage 60. For the axial fixation of the bearing disk 39, a snap ring 26 is provided, which is inserted according to FIG. 3 into a groove 61 of the grip part 25. The knob 24 forms thus with the bearing plate 39, the electronics 17 and the batteries 41 a compact Unit. Figure 3 shows how the knob 24 axially in the direction of arrow 40 on the Turning knob rotor 4 is pushed.

For releasable axial attachment of the knob 24 on the rotary knob rotor 4 has this one outer side groove 62 for receiving a snap ring 27, which the Rotary knob 24 releasably connects to the rotary knob rotor 4. So that the rotary knob rotor 4 with rotates with the handle part 25, the rotary knob rotor 4 has a surface 20 at the free end, which forms a stop in a driver 45.

If the rotary knob 24 is mounted on the rotary knob rotor 4, then the rotary knob rotor 4 and with this the driver 10 are rotated. Preferably, this is only the handle part 25 is rotated with the rotary knob rotor 4. The electronics 17 and the batteries 24 are, however, according to Figure 4 with a pin 28 with the housing of the second cylinder half 3 floating connected. The pin 28 engages according to Figure 1 with one end in a recess 63 of the housing 6 and with the other end in a recess 64th the bearing plate 39 a. The recess 63 or the recess 64 are designed such that the pin 28 with a radial clearance floating in at least one of these two Recesses is stored. This will prevent blows, for example caused by a slamming door are transmitted to the electronics 17.

The bearing plate 39 has a further bore 65, through which according to FIG 4 the Cable 29 is pulled through. The recesses 64 and 65 can also be through one here not shown common and correspondingly larger recess to be replaced. The Cable 29 and the pin 28 are then stored in this recess. The bearing disk 39 is thus connected to the pin 28 floating with the second cylinder half 3. The Connection is a plug connection, so that on the second cylinder half 3 for receiving the pin 28 only one hole is required. Such a bore can be for every commercially available cylinder profile and in particular for the cylinder profiles according to Figures 8a to 8d attach. For the production of electromechanical Locking cylinder according to the present invention can thus be all usual Use profiles, the conversion is relatively minor. The mechanical proven design of the rotary knob rotor with the rotary knob coupling or the coupling member 23 does not have to be changed significantly. Schlaudstechnisch, the first Cylinder half 2 fully equipped with tumbler pins. The rotary knob rotor 4 is universal carrier of knobs 24 different outer shapes and profiles. It is therefore also possible to use a rotary knob 24 without electronics.

Due to the simple structural design and the possibility of the two cylinder halves 2 and 3 and to extend the rotary knob rotor 4, it is possible to the inventive to extend or close the electronic locking cylinder on the construction site shorten. The two plugs 30 and 42 allow the cable 29 from the locking device 23 and the electronics 7 to solve. This can also be done by a layman become. The connecting web 12 can with the integrated cable 29 universal for different cylinder lengths are used. As shown in FIGS. 6 and 7, it has the connecting web 12 on its underside a groove 50, in which the cable 29 is inserted is. The cable 29 is from the outside only in the region of the thickening 49 of visible below. Of the four passes 48, only two are used, so that with the connecting web 12 a total of four different lengths mountable are. As mentioned, this can significantly reduce inventory and costs become.

LIST OF REFERENCE NUMBERS

1

lock cylinders

2

first cylinder half

3

second cylinder half

4

Knob rotor

4a

renewal

5

casing

6

casing

7

rotor

8th

keyway

9

cylinder sack

10

takeaway

11

beard

12

connecting web

13

Stulpschraubenbohrung

14

pen

15

recess

16

extension pieces

17

electronics

18a

connecting piece

18b

connecting piece

18c

connecting piece

19

dovetail

19a

slide

20

area

21

coupling

22

feather

23

coupling member

24

knob

25

handle part

26

big snap ring

27

small snap ring

28

pen

29

electric wire

30

plug

31

shell

32

carrier

33

battery holder

34

foam rubber

35

connecting screw

36

plate

37

connecting screw

38

pencils

39

bearing disk

40

arrow

41

battery

42

plug

43

locking device

44

key

44a

shaft

45

takeaway

46

blocking part

47

antenna

48

drilling

49

thickening

50

groove

51

passage

52

passage

53

recesses

54

drilling

55

casing

56

transmitter

57

disc

58

passage

59

drilling

60

passage

61

groove

62

groove

63

recess

64

recess

65

recess

Claims (19)

Electromechanical lock cylinder, having a first cylinder half (2) to be arranged on the door side, with a key channel (8) for a safety key (44) and a second cylinder half (3) to be arranged inside the door, with a rotary knob rotor (4) connected to a rotary knob (24) is, with tumblers, which are arranged in the first cylinder half (2) and which are to be classified with the safety key (44) for rotational release, with an in the knob (24) arranged electronics (17) for driving a locking device (43), characterized in that the rotary knob (24) with the electronics (17) arranged therein forms a unit which is detachably and pluggable mounted on an extension (4a) of the rotary knob rotor (4) projecting on the housing (6). Locking cylinder according to claim 1, characterized in that the electronics (17) by means of a plug connection (28) with the housing (6) of the second Zylinderhälf te (3) is connected. Locking cylinder according to claim 2, characterized in that the plug connection has a pin (28) which is inserted into a recess (63) of the housing (6) of the second cylinder half (3). Locking cylinder according to claim 3, characterized in that the pin (28) is floatingly mounted in the recess (63). Locking cylinder according to one of claims 1 to 4, characterized in that the cable (29) is releasably connected to the locking device (43) and / or the electronics (17). Locking cylinder according to claim 5, characterized in that the cable (29) has at its ends in each case a plug (3 0, 42). Locking cylinder according to claim 5 or 6, characterized in that the cable (29) through a groove (50) of a connecting web (12) is inserted. Locking cylinder according to claim 7, characterized in that the connecting web (12) has a majority of holes (48) for receiving a connecting pin (14). Locking cylinder according to one of claims 1 to 8, characterized in that the rotary knob (24) has a bearing disc (39) which covers the electronics (17) to the outside and which is releasably connected to a pot-shaped handle part (25). Locking cylinder according to claim 9, characterized in that the bearing disc (39) has an opening for a connecting pin (28) and an opening for the passage of a cable (29). Locking cylinder according to claim 9 or 10, characterized in that the bearing disc (39) with a snap ring (26) releasably attached to the handle part (25). Locking cylinder according to one of claims 1 to 11, characterized in that the rotary knob (24) with a snap ring (27) on the rotary knob rotor (4) is releasably secured. Locking cylinder according to one of claims 1 to 12, characterized in that in the rotary knob (24) has a sliding sleeve (31) is arranged, in which a carrier (32) for the electronics (17) is mounted. Rotary knob for an electromechanical lock cylinder according to claim 1, characterized in that it is pluggable with the second cylinder half (3) is connectable. Knob according to claim 14, characterized in that it comprises a pot-shaped handle part (25) into which in a front open end a bearing disc (39) is inserted, which has an opening for the passage of a cable (29) and an opening for receiving a connecting pin (28). Rotary knob according to claim 15, characterized in that the bearing disc (39) with a snap ring (26) on the cup-shaped handle part (25) is releasably attached. Construction kit for producing an electromechanical lock cylinder according to claim 1, characterized by a first cylinder half (2) with tumblers and an electronically controllable actuator (locking device) (43), with which a rotor of the first cylinder half (2) can be blocked, with a second cylinder half ( 3), which has an extendable rotary knob rotor (4) on which a knob (24) is mounted, with intermediate pieces (18 a to 18 c) with which the rotary knob rotor (4) is extendable and with further intermediate pieces (16), with which the Housing (5, 6) of the first and the second cylinder half (2, 3) are extendable. Kit according to claim 17, characterized in that the two cylinder halves (2, 3) are guided by a connecting web (12), wherein in the connecting web (12), a cable (29) is inserted. Modular system according to claim 17 or 18, characterized in that a connecting member (28), in particular a pin is provided with a in the knob (24) arranged electronics (17) pluggable and floating with the housing (6) of the second cylinder half (3 ) is connectable.

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