EP3207197A1

EP3207197A1 - Actuating element for a rim lock

Info

Publication number: EP3207197A1
Application number: EP16745485.9A
Authority: EP
Inventors: Andreas Lauer
Original assignee: Uhlmann und Zacher GmbH
Current assignee: Uhlmann und Zacher GmbH
Priority date: 2015-08-05
Filing date: 2016-08-02
Publication date: 2017-08-23
Anticipated expiration: 2036-08-02
Also published as: WO2017021410A1; DE102015112859B3; US10927569B2; US20180155961A1; EP3207197B1; ES2926957T3

Abstract

The invention relates to a door handle (1) for actuating the rim lock of a door, comprising an output shaft (17) and a handle (10) facing away from the door, the output shaft and the handle having a common axis of rotation (2) and being connected to each other by means of an electromechanical clutch, wherein the output shaft (17) has, on the side facing the handle (10), a cut-out for a clutch element (40) that can be moved axially between an open position and a closed position in a motorized manner, and the handle has, opposite the cut-out, a receptacle for the clutch element (40), is especially reliable if the motor drives a shaft (80), on and/or in which at least one coil spring (90) arranged in rotationally fixed manner with respect to the stator of the motor sits coaxially, wherein the shaft (80) has at least one protrusion that reaches into an intermediate space between two adjacent turns of the coil spring (90) such that rotation of the shaft (80) axially moves the coil spring (90), and the coil spring (90) acts on the clutch element (40) such that axial movement of the coil spring (90) preloads the clutch element (40) at least in the direction corresponding to the movement.

Description

ACTUATING ELEMENT FOR A POCKET LOCK

Technical area

The invention relates to a door handle and / or a knob for actuating a lock cylinder, each serving for actuating a box lock a door. The door handle or the knob has an output shaft and a handle facing away from the door, which have a common axis of rotation and are connected to each other via an electromechanical clutch. The output shaft has on the handle side facing a recess for a motor between an open position and a closed position axially displaceable coupling element and the handle has the recess opposite a receptacle for the coupling element.

State of the art

In Europe, so-called box locks are usually used in doors, which are also referred to as mortise locks. Caste locks are inserted into a recess in the open when opening narrow side of the door and are fixed there. These box locks have a trap and usually a bolt. At least the case can usually be withdrawn via a door handle, usually in the form of a door handle to open the door. In so-called anti-panic locks and the bolt is coupled to the pusher, so that this is withdrawn upon actuation of the pusher. In order to initiate the rotary movement of the door handle into the box lock, the box lock has a so-called nut, into which a square shaft extending orthogonally to the door leaf is usually inserted, so that it projects beyond the door leaf on at least one side. On this free end of the door handle is then placed rotationally. A door handle, also referred to as a door handle, is a lever-type device for opening and closing the door of a door. The door handle acts on a shaft, usually a square shaft on the so-called pusher nut, in short 'nut', a mortise lock (see, eg, DIN 18 251). A door handle generally has two legs: a first leg whose longitudinal axis usually coincides, ie preferably coincides with the axis of rotation of the nut, and an angled second leg which acts as a lever. To actuate the door handle, the second leg is pivoted about the longitudinal axis of the first leg and rotates it accordingly. Usually, the first leg is significantly shorter than the second leg.

Locking or releasing the door is usually done by so-called cylinder locks, which are used in the box locks. The cylinder locks have a locking cam arranged on a shaft, which cooperates with the box lock. If the user is granted authorization, the lock cylinders allow the lock cam to rotate, either with a key or a knob for actuating the lock cam.

Electromechanical locking systems are based on an electronic identification of a key. The key may be, for example, an active or passive transponder. A lock control exchanges data with the key, checking the authorization of the key and releasing the lock if necessary.

In order to release the lock, the lock bit must be coupled in a rotationally fixed manner to a handle, for example with the knob, in the case of electromagnetic lock cylinders, ie be coupled. In the non-released state, at least the handle arranged on the outside of the door is not non-rotatably connected to the lock bit (decoupled). To switch between the coupled and the decoupled cam is a switchable from the control of the lock clutch required, on the one hand must be so small that it can be integrated into a lock cylinder and on the other hand comparatively high torques must be recorded so that even stiff, eg jammed locks can be opened. The energy is usually supplied by batteries, so the energy needs of the clutch for a closing and opening process must be as low as possible. Under a clutch is a clutch understood that can be opened and closed. In the open state, the handle is freely rotatable relative to the output shaft, ie the door can not be opened. In the closed state of the clutch (hereafter short clutch), the handle and the output shaft are rotatably connected to each other, therefore, the door can be opened. The adjustment of the clutch between the two states closed 'and' open 'is preferably electromechanical, so that a lock control can switch the clutch between the two states.

No. 6,460,903 B1 discloses a door lock with an inner knob and an outer knob, which act on a door latch. The inner knob is constantly connected via an output shaft with the door latch, so that it can be constantly retracted by a rotation of the inner knob. The outer knob has a rotatably connected to the corresponding handle ring with a spur gear teeth, in which a coupling ring can be inserted by means of a slider. The coupling ring has two radially arranged driving wing, each having two complementary to the spur teeth teeth. The driver wings are axially slidably mounted in two slots of a connecting element, so that a rotation of the coupling ring is transmitted to the connecting element. The connecting element has a receptacle in which the output shaft rotatably seated.

In US 6,460,903 Bl an electronic door lock with two knobs is also described, which act on a door latch. The inside knob works constantly on the case, the outside knob can be indirectly coupled with an output shaft of the inner knob.

To operate a case of the widespread in Europe box locks none of the known from the US publications door knobs is suitable. Alternatively, couplings are also known which are arranged under a cover arranged directly on the door leaf and serve to connect a door latch to the nut of a box lock (EP 1662 076 B1, EP 1 881 135 A1, EP 1522659 B, DE 10 2009 018 471 A). For aesthetic reasons, however, these are only accepted to a limited extent.

DE 10 2014 103 666 describes a door handle with a shaft and a handle disposed orthogonal thereto for actuating the latch of a box lock. In the shaft is an output shaft which is rotatably connected by means of a arranged in the door handle clutch with the handle. When the clutch is open, the handle therefore does not take the shaft with and when the clutch is open, the handle takes the shaft with. The clutch has a coupling element, which is moved to open and close the clutch in a space formed by two opposing recesses. To move the coupling element, the clutch has a linear drive with a rotatably mounted in the handle and axially displaceable spool, which acts on the coupling element to move it axially.

Presentation of the invention

The invention has the object to improve the known from DE 10 2014 103 666 door handle to the effect that it is cheaper manufacturable and also works even more reliable. This object is achieved by the actuator door handle according to claim 1 and the drive carrier described below. Advantageous embodiments of the invention are specified in the subclaims.

The actuating element door handle serves to actuate a latch and / or a latch of a box lock and accordingly has a door-side output shaft and a handle facing away from the door, which have a common axis of rotation and are interconnected via an electromechanical clutch. The output shaft can be connected as usual via e.g. a square shaft with the nut of a box lock and / or be connected to a lock bar ring of a cylinder lock. The handle serves to pivot the actuating element about an axis of rotation. In other words, the handle and the output shaft have a common axis of rotation and are connected to each other via an electromechanical clutch. The actuator may e.g. be a door handle or even a knob module of a cylinder lock.

The clutch has an axially displaceable coupling element. The output shaft has on the handle side facing a recess for the motor between an open position and a closed position axially displaceable coupling element. The handle has a recess for the coupling element opposite the recess. Preferably, the output shaft is not exposed, but is overlapped either by a rosette and / or part of the handle, so that they can not be rotated when the clutch is open.

The recess and the receptacle have, as usual, a limited (or no) rotational symmetry, and the coupling element, as is usual, has a shape adapted to its shape, so that the coupling is closed when the coupling slides engage with both the recess and the recess. would be engaged, then creates a rotationally positive fit. Also, the recording is therefore a recess, only for easy differentiation is linguistically distinguished between the recording and the recess, alternatively, one could also speak of a first and a second recess. Of course you could also invert the recording (and / or the recess), then the coupling slide would have corresponding recesses on the recording and the (possibly inverted) recess would be postponed.

In the handle, a linear drive is preferably arranged, which acts on the coupling element to move the coupling element for closing the clutch in the axial direction as far out of the recess that it engages both in the recess and in the receptacle, and it to open the Clutch from the receptacle moves back into the recess. Such a clutch is very reliable, compact and can also transmit high torques with little use of material. In addition, this clutch can be in a very narrow shaft, i. in a narrow door-side leg of a door handle. The door handle can therefore be correspondingly slim and visually does not necessarily differ from the usual rigid door handles without clutch. Even if the actuator is a knob module for a cylinder lock, the slim design is preferred because it allows a reduction of the backset dimension.

Preferably, the motor drives a clutch shaft (hereafter referred to as 'shaft') on and / or in which at least one helical spring arranged in a rotationally fixed manner with respect to the stator of the motor is arranged coaxially. Rotationally means here that the coil spring does not rotate with a rotation of the motor-driven shaft. Of course, when the doorknob is turned, the shaft can rotate with the doorknob. The spring is preferably axially displaceable on and / or arranged in the shaft. Into a space between two windows fertilize the coil spring preferably engages a projection of the shaft. Upon rotation of the shaft consequently slides the projection as a driver along the turns, wherein the coil spring is moved accordingly, but at least biased. The helical spring preferably engages directly on the coupling element. For example, the coil spring may be attached to the coupling element. A rotation of the shaft thus causes an adjustment or at least a bias of the coupling element in the direction corresponding to the rotation. Compared to the one from the

DE 10 2014 103 666 known clutch eliminates the coupling slide. The coupling is therefore simpler and therefore more robust, because in the same space fewer parts must be accommodated. These can therefore be carried out correspondingly robust.

If, for example, the linear drive is arranged in the handle, then the coupling element could be pulled out of the recess of the output shaft when the clutch is open, that the handle is rotatable against the output shaft. By a rotation of the shaft, the coil spring can now be moved in the direction of the output shaft and press the coupling slide in this direction. If or as soon as the recess is aligned in the handle suitable for receiving, then a part of the coupling element is moved into the recess. The clutch is closed. To open the clutch, the shaft is rotated in the opposite direction, accordingly, the coil spring moves back. In doing so, it either takes with it the coupling element fastened to it and / or in the recess sits a return spring, which was previously tensioned when the coupling element was inserted. If the coupling element transmits a torque when the shaft rotates, it is usually braced and can not be moved. In this case, the coil spring would be displaced in the corresponding direction, thereby biasing the coupling element; it follows her as soon as it is released. Alternatively, the linear drive in or be arranged on the output shaft. Then, the coupling element is not only in the recess with the clutch open and would be moved axially to close, so that it engages in the receptacle.

For example, the actuator, e.g. the door handle or the knob module have a drive carrier with a recess which receives the shaft and the coil spring at least in part. As a result, it is very easy to provide a self-locking drive module for the clutch. Such a separate drive carrier can be preassembled with the corresponding components outside the actuating element and subsequently inserted into the actuating element. As a result, the installation and a possible repair are significantly simplified.

If the drive carrier has at least one slot which extends in the axial direction of the shaft and into which at least one end of the helical spring engages, the helical spring is mounted in a very simple manner in the drive carrier in a rotationally fixed but axially displaceable manner. For example, at least one end of the coil spring may have an outwardly guided portion with which the coil spring engages the slot. The engaging portion may be e.g. be designed as a loop, whereby the risk of entanglement of the coil spring or possible abrasion is significantly reduced. For the sake of clarification only: led outwards away from the longitudinal axis of the helical spring, e.g. pointing radially outward.

The drive carrier may also comprise at least one bearing, e.g. have a sliding bearing surface on which a complementary mating surface of the coupling element slides when it is adjusted in position. As a result, the clutch can be made even more compact.

Preferably, a gear is rotatably mounted on the shaft, ie upon rotation of the gear, the shaft is taken. This gear allows a simple drive of the shaft and may also be intercepted on an abutment of the drive carrier in the axial direction, so that the shaft is secured against axial displacement in the Mototräger. For example, the gear may be received in a receptacle of the drive carrier, wherein at least a part of the boundary of the recess supports the gear in the axial direction. Particularly preferred is the limitation of the frontal edge of a seated in the recess bearing bush which radially supports the shaft.

If the drive carrier is at least in two parts and the shaft is released in the axial direction when the motor mount is open, the assembly of the actuating element is greatly simplified.

In particular, at least one slide bearing bushes can be seated in the drive carrier, which radially supports the shaft. In addition, the end face of the plain bearing bush can serve as a thrust bearing for the shaft and / or the gear.

Preferably, at least one slide bearing sleeve is seated on the shaft. As a result, the shaft can be mounted very easily in two places radially and / or axially. For mounting, it is sufficient to put the plain bearing sleeve on the shaft, then it can be mounted on the shaft a gear. Alternatively, gear and slide bearing sleeve can be made in one piece- Subsequently, the so pre-assembled 'shaft' can be easily inserted into a corresponding bearing bush of a drive carrier. By placing a second part of the drive carrier, the shaft can be axially fixed in position.

For example, the shaft may be stepped tapered and bear with the step on one end face of one of the plain bearing bushes, whereby the shaft is axially mounted in this direction. Preferably, the handle has a door-side hollow shaft, in which the output shaft and at least a part of the linear drive are arranged. Thereby the handle protects the output shaft against unauthorized access and it allows a particularly compact design. Particularly preferably, the output shaft is rotatably mounted in the hollow shaft, when closing the clutch rotation is of course blocked or at least limited. For example, the handle may have a rotatably connected to the hollow shaft handpiece with two angularly arranged legs. The door handle then has the shape of a conventional door handle. For mounting, it is advantageous if the handpiece has at least two half-shells, between which at least one fastening portion of the hollow shaft is arranged. For example, the half-shells on the door side may have an external thread on which a union nut sits, which fixes the half-shells on the hollow shaft. The union nut should preferably be protected against unauthorized opening, for example, be overlapped by a rosette or locked by a reachable only with disassembled door handle stop. Description of the drawings

The invention will now be described by way of example without limitation of the general inventive idea by means of embodiments with reference to the drawings.

1a shows a perspective view of an actuating element, FIG. 1b shows the door handle from FIG. 1a in front view FIG. 2 shows an exploded view of a linear drive FIG. 3 shows a longitudinal section of the linear drive from FIG. 1 FIG. 4 shows an exploded view of a further linear drive Figure 5 shows a sectional view of a lock cylinder with an actuating element.

FIG. 6 is an exploded view of the lock cylinder of FIG. 5. FIG. 7 is a sectional view of a clutch assembly. FIG. 8 is an exploded view of the clutch assembly of FIG. 7

1 shows an actuating element in the form of a door handle 1. The door handle has a handle 10 pivotable about a rotation axis 2, with a door-side first leg 11, the longitudinal axis 2 of which is oriented approximately orthogonally to a door leaf (not shown) in the mounted state and with an angled thereto second leg 16. The region in which the first and the second leg meet at an angle, consists of two half-shells 13 which are held together by a nut 15 on the door side and a sleeve 16 on the other side. The door handle 1 can, as indicated, have a receptacle for a square shaft 17 in order to couple the door handle with the nut of a box lock in a rotationally fixed manner. A rosette 18 may be provided for attachment and storage of the door handle 1 on a door leaf and protect the clutch described in more detail below from manipulation. Partially concealed by the handle 10 is an output shaft, of which only the square shaft 17 is visible. Rotary movements of the output shaft about the longitudinal axis 2 can be introduced via the square in the nut of a box lock, whereas tilting moments acting orthogonally to the longitudinal axis 2 are preferably at least largely intercepted by the mounting of the handle 10 through the rosette 18 and introduced into the door leaf. Between the handle 10 and the output shaft is a clutch to the handle 10 by a lock control rotatably connected to the output shaft 17 (clutch closed) or to decouple the two (clutch open). Preferably, the handle 10 is supported via a return spring on the Roset te 18, then hang door handle 1 with open clutch not down. The rosette 18, in turn, may preferably be bolted or otherwise secured to the door panel from inside the door.

Figures 2 and 3 show a linear drive for a coupling element 40. The linear drive has a commercially available motor 45, which is attached to a two-part drive carrier 46, which can also be referred to as a gear block. The motor 45 drives a gear 44, the rotationally fixed and axially fixed on a coupling shaft 80 (short, shaft 80 ') sits. The shaft 80 is rotatably mounted in the drive carrier and secured against axial displacement. On the shaft 80 is designed as a projection 81 driver 81 which engages between two turns of a coil spring 90. The coil spring 90 is seated coaxially on a pin 82 of the shaft 80 and engages with one of its ends 91 in a parallel to the longitudinal axis of the shaft 80 slot 463 of the drive carrier 46; At the other end, the coupling element 40 is fastened in a pressure- and tension-resistant manner, eg by means of a rivet. By engaging in the slot 463 end 91, the coil spring 90 rotatably but axially displaceable in the drive carrier 46. If the shaft 80 is rotated by means of the motor 45, then the projection 81 of the shaft 80 moves the coil spring 90 according to the direction of rotation of the motor 45th further from the drive carrier 46 or pulls the Schraubenfe- 90 back. The corresponding displacement of the coil spring 90 causes a corresponding displacement of the coupling element 40. If the coupling element 40 should be blocked, it would be biased in the appropriate direction and avoid the bias as soon as the blocking is lifted. The projection 81 is preferably spaced from the open end of the channel 464 so that the free end of the spring 91 can not be pushed out of the channel 464 and thus out of the slot 463. The distal free end of the shaft 80 also projects beyond the pin 81, so that the helical spring 90 even then remains on the shaft 80 when the shaft 80 rotates until the projection 81 is threaded out of the coil spring 90. With a reversal of the direction of rotation of the shaft 80, the projection 81 thus threads itself again. The drive carrier 46 has two parts 461 and 462. On the first part 461 is a holder for the motor 45. In addition, the first part 461 may have a recess in which preferably a bearing bush 468 with a flange-like widening 467 (short, flange 467 ' or, edge bead 467 ') sits. The flange 467 is preferably located on the side facing the projection 81. Its side facing the projection can then serve as a thrust bearing for the shaft 80. In the example shown, the flange 467 supports the gear 44 which sits frictionally and / or formally on the shaft 80. In other words, the side of the flange 467 facing the projection can serve as a thrust bearing for the shaft 80, which can be supported thereon by the gearwheel 44.

The second part 462 of the drive carrier preferably has a bearing receptacle for the shaft 80. The bearing receptacle may, for example, support a bearing ring 95 seated on the shaft 80, which may also be referred to as a bearing sleeve 95. In the example shown, the shaft 80 is stepped to the pin 82 expanded. At the stage, the bearing ring is on the side. The bearing ring 95 is axially fixed by the attached to the shaft 80 gear 44. To mount the shaft 80, therefore, the bearing ring 95 is first pushed from the tapered side of the shaft 80 to the stage 80 on the shaft. Subsequently, the gear 44 is mounted on the shaft, for example, pressed. Now, the bearing pin 83 of the shaft 80 can be inserted into the bearing bush 468. In this case, the gear 44 engages with a complementary drive pinion 451 of the motor 45. Alternatively, the motor 45 could also drive a worm, which meshes with the gear 44. Now, the drive carrier 56 can be closed by placing the second part 462 on be, wherein the gear in a cavity 469, ie a corresponding receptacle 469 of the drive carrier 46 is included.

The drive carrier 46 has a projection 465 in the form of a slotted sleeve 465, wherein the slot 463 extends coupling element side. This facilitates easy threading of a free end 91 of the coil spring 90. The free interior of the projection 465, i. the sleeve has been previously designated channel 464.

The embodiment according to FIG. 4 differs from the embodiment according to FIGS. 2 and 3 only in that the helical spring 90 is not struck on the coupling element, but rests against it only with the free end. The coil spring 90 can therefore only transmit compressive forces on the coupling element 40, not shown in FIG. 4 for the sake of simplicity. A displacement of the coupling element 40 in the direction of the shaft 80 is effected by a on the side facing away from the shaft of the coupling element 40 spring element, which is stretched in the process of the coupling element in its closed position. By the coupling element side widening of the slot 463 ensures that the free end 92 of the coil spring 90 can always be safely back process in the sleeve-like projection 465.

Figures 5 and 6 show a lock cylinder 5 for actuating a box lock. For this purpose, the lock cylinder has, as usual, a Schließbartring 17 which is rotatably mounted in the lock cylinder 5. Upon rotation of the Schließbartrings 17 rotates a closing cam 9, for actuating a driver for a case and / or a latch of a box lock.

The lock cylinder 5 has a preferably removable knob module as actuating element 1. The knob 10 serves as a handle 10 and is the input shaft of a clutch. For this purpose, a two-part drive block 46 is rotatably coupled to the handle. The drive block 46 has a housing of two as a carrier Half shells 13, 14 and receives a motor 45 of the clutch on. On the knob side, the motor 45 is protected by a drill protection 19, which is likewise mounted (preferably rotatably) in the drive block (compare FIG. 6). The motor 45 has a rotor which is rotatably connected to a shaft 80. On the shaft 80 is designed as a projection 81 driver 81 which engages between two turns of a coil spring 90. The coil spring 90 is seated coaxially on the shaft 80 and engages with one of its ends 91 in a parallel to the longitudinal axis of the shaft 80 slot 463 of the drive carrier 46; at the other end is a coupling element 40. The coupling element can be secured against pressure and tension with the coil spring, for example by means of a rivet. The coupling element 40 is axially displaceable relative to the drive body 46 in a guide 85 but rotatably mounted. A rotation of the handle 10 about the longitudinal axis is thus transmitted via the drive carrier 46 on the Kupplungslement 40, ie, the coupling element rotates upon rotation of the handle 10, ie, the guide 85 is rotatably connected to the drive carrier.

By engaging in the slot 463 end, the coil spring 90 rotatably but axially displaceable in the drive carrier 46. If the shaft 80 is rotated by means of the motor 45, then the projection 81 of the shaft 80, the coil spring 90 moves according to the direction of rotation of the motor 45 in the drive carrier 46 forward or backward. The corresponding displacement of the coil spring 90 causes a corresponding displacement of the coupling element 40 through slots of the guide 85 (see Fig. 6). If the coupling element 40 should be axially blocked, it would be biased in the appropriate direction and avoid the bias as soon as the blockage is lifted. Due to the displacement, the coupling element 40 in engagement with a

Coupling piece 17 are brought, the non-rotatably seated in the Schließbartring 8; then the clutch is closed. The coupling piece 17 has the function of an output shaft of the clutch. For this purpose, the coupling piece 17 has on its ner protrusions or recesses between or in which the coupling element 40 can engage when it is moved by the rotation of the shaft 80 accordingly. Upon rotation of the coupling element about the longitudinal axis 2, the Schließbartring 8 is thus taken; the clutch is closed. Of course, the coupling piece 17 and the Schließbartring 8 can also be made in one piece.

When the coupling element 40 is retracted again by a corresponding rotation of the helical spring 90, the engagement between the coupling element 40 and the locking bar 8 is canceled, i. the clutch is opened again and an operation of the handle 10 is not transmitted to the Schließbartring 8.

The linear actuator shown in Figures 7 and 8 may be similar to those previously described in a clutch assembly of a clutch for coupling a handle (such as a knob) with a Schließbartring a lock cylinder or for coupling a handle of a door handle with an output shaft. For identical or similar elements, therefore, largely identical reference numerals are used and the descriptions of Figures 1 to 6 can also be read on Figures 7 and 8.

Instead of the half-shells 13, 14, the clutch assembly has a drive carrier 46, which holds the motor 45. In addition, a guide 85 for a coupling element 40 is attached to the drive carrier 46. The drive carrier 45 also supports, via a circuit carrier 97, a circuit board 96 having a circuit, e.g. Of course, the assembly shown in Figs. 7 and 8 may also be housed in a housing, e.g. from half-shells as shown in Fig. 1 to 6 are arranged.

The motor 45 drives via a drive pinion 46 a mounted on the drive carrier 46 and the guide 85 shaft 80, on which a gear 44 is seated accordingly, which cooperates with the drive pinion 46. The shaft 80 has a radial projection 81 which, as in the other embodiments, engages between two turns of a helical spring 90. The coil spring 90 is axially slidably mounted on the shaft 80 and is secured to the Kupplungslement 40. The coupling element 40 is mounted relative to the shaft 80 axially displaceable in the guide 85 (ie, as the coil spring 90 relative to the guide 85 is not rotatable). For this purpose, the guide 85 has axially extending radial recesses which serve as guide slots for corresponding projections of the coupling element 40. Upon rotation of the shaft 80 about the longitudinal axis 2, the helical spring 90 and thus the coupling element 40 are subsequently displaced in the guide. By a corresponding control of the motor 45, therefore, the coupling element 40 on the shaft 80 can be axially moved back and forth. The coupling element 40 can thus be brought into engagement with a coupling piece 17 (see FIGS.

In the variant of Figures 7 and 8, the shaft 80 is designed as a hollow shaft. In the hollow shaft, a conductive pin 86 is disposed, wherein the conductive pin 86 is electrically insulated by an air gap and an insulating sleeve 87 on the one hand and an insulating piece 88 on the other hand with respect to the drive carrier 46, the hollow shaft 80 and the guide 85. At the two ends of the pin 86 is ever a contact 89, so that on the support 46 and / or the guide 85 on the one hand and the pin 87 on the other hand, a 'two-wire' electrical line between two mutually movable knobs are made and / or between a knob and the circuit can be made on the drive carrier. LIST OF REFERENCE NUMBERS

2 rotation axis / longitudinal axis

5 lock cylinders

8 lockable ring

9 locking cam

10 handle

11 first leg

13 upper half shell

14 lower half shell

15 union nut

16 second leg

17 Output shaft (square shaft / coupling piece)

18 rosette

19 Drilling protection

40 coupling element

44 gear

45 engine

451 drive pinion

46 drive block

461 part of the drive block

462 part of the drive block

463 slot

464 channel (clearance of the projection 465)

465 projection / sleeve

467 flange / edge bead

468 bearing bush Pickup for gear

wave

head Start

spigot

Lagerza fen

guide

pen

insulating sleeve

insulating

contacts

coil spring

End / end section of the coil spring

Bearing ring / bearing sleeve

Circuit board / circuit

circuit support

Claims

claims

1. actuating element (1) for a box lock a door with an output shaft (17) and a handle (10) having a common axis of rotation (2) and are interconnected via an electromechanical clutch, wherein the output shaft (17) at least on the the handle (10) side facing a recess for a motor between an open position and a closed position axially displaceable coupling element (40), and the handle (10) of the recess opposite has a receptacle for the coupling element (40),

characterized in that

the motor (45) drives a shaft (80) on and / or in which at least one helical spring (45) arranged in a rotationally fixed manner relative to the stator of the motor (45) is arranged coaxially,

the shaft (80) has at least one driver (81) engaging in a space between two adjacent turns of the coil spring (90) whereby rotation of the shaft (80) axially displaces the coil spring (90),

the helical spring (90) acts on the coupling element (40), so that an axial displacement of the helical spring (90) biases the coupling element (40) at least in the direction corresponding to the displacement.

2. Door handle (1) according to claim 1

characterized in that

the door handle (1) has a drive carrier (46) with a recess which receives the shaft (80) and the coil spring (90).

3. actuating element (1) according to claim 2,

characterized in that

the drive carrier (46) has at least one slot (463) extending in the axial direction of the shaft (80) into which at least one end (91) of the helical spring (90) engages, whereby the helical spring (90) in the

Slit (463) is guided axially.

4. actuating element (1) according to claim 2 or 3,

characterized in that

the drive carrier (46) has a sliding bearing for the coupling element (40).

5. actuating element (1) according to one of claims 2 to 4,

characterized in that

on the shaft (40) at least one gear (44) sits, which is accommodated in a receptacle of the drive carrier (46), wherein at least in part of the boundary (467) of the recess (46) supports the gear (44) in the axial direction.

6. actuating element (1) according to one of claims 2 to 5,

characterized in that

the drive carrier (46) is at least in two parts, the shaft (80) being released in the axial direction when the drive carrier is open.

7. actuating element (1) according to one of claims 2 to 6,

characterized in that

in the drive carrier (46) at least one plain bearing bushes (469) is seated, the shaft (80) radially supports.

8. actuating element (1) according to one of claims 2 to 6,

characterized in that

on the shaft (80) at least one slide bearing sleeve (95) sits, which forms a sliding bearing with the drive carrier (46).

9. actuating element (1) according to claim 7 or 8,

characterized in that

the shaft (80) is stepped tapered and with the step on one end side of the plain bearing bush (468) or the plain bearing sleeve (95) is applied, so that the shaft (80) is axially mounted in this direction.

10. actuating element (1) according to one of the preceding claims

characterized in that

Coil spring (90) tensile and pressure on the coupling element (40) is struck.