Classifications

• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
  • E05B11/00—Devices preventing keys from being removed from the lock ; Devices preventing falling or pushing out of keys
• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
  • E05B11/00—Devices preventing keys from being removed from the lock ; Devices preventing falling or pushing out of keys
  • E05B11/005—Devices preventing keys from being removed from the lock ; Devices preventing falling or pushing out of keys by key modifications or attachments, e.g. excentric centre of gravity

Definitions

• the present invention relates to a locking device for locking a key on a lock cylinder, wherein the locking device is designed to be arranged on the lock cylinder and extends around a lock cylinder axis, wherein a locking element is provided, which can be locked to lock the key in key withdrawal position with the key is.
• a generic locking device for locking a key on a lock cylinder is from the manufacturer TrioVing / ASSA ABLOY, www.trioving.no known, see product catalog 2008, page 53, product designation "Knappsperre for 5596C.”
• This also known under the trade name TrioVing Trygg locking device can face If a key is inserted into the lock channel of the lock cylinder, it can be locked in the lock channel of the lock cylinder by a blocking element of the lock mechanism However, if the key is in the key withdrawal position, the locking device prevents the locking element from being able to pull the key out of the lock cylinder el be used as a knob without, for example, the key is accidentally withdrawn from the lock cylinder. However, if it is desired to remove the key from the lock cylinder in the key withdrawal position, manual actuation of the lock element is required.
• CONFIRMATION COPY derlich to release the locking of the locking element with the key.
• the blocking element is guided in the locking device in a lifting axis which extends radially to the preferably cylindrical locking cylinder.
• the locking element is perpendicular to the lock cylinder axis back and forth movable.
• the locking element has to be moved cumbersome in the lifting axis of the lock cylinder axis away.
• the release of the key from the latch is therefore possible only with two hands in which the key is gripped and pulled out of the lock cylinder with one hand, while the other hand, the locking element via an externally molded control tab against a spring force from the lock cylinder axis are moved away got to.
• This object is based on a locking device for locking a lock on a lock cylinder according to the preamble of claim 1 in conjunction with the characterizing features.
• Advantageous developments of the invention are specified in the dependent claims.
• the invention includes the technical teaching that the locking device has a transversely and spaced from the lock cylinder axis movable slide element which cooperates by manual pressure operation in the tangential direction to the lock cylinder with the locking element such that a release of the locking of the key is enabled.
• the invention is based on the idea of creating a slide element which is received in an advantageous and in particular ergonomic manner in the locking device, wherein initially the slide element cooperates with the blocking element, in order to release the latching of the key.
• the slider element thus serves as a transfer means between the hand and in particular between a finger of an operator and the blocking element, so that the slider element serves as a control element.
• This direction of movement of the slide element thus extends in the plane of the door leaf, in which the lock cylinder is installed in particular as part of a lock.
• the spacing from the lock cylinder axis creates an operating height of the slide element relative to the lock cylinder axis, in which a simple interaction between a finger, a hand and the slider element can take place.
• the pressure actuation by the finger can thus take place in the tangential direction to the lock cylinder, the tangential direction not being understood basically as a tangent on the outer circumference of the lock cylinder.
• the tangential direction describes a direction extending transversely to the lock cylinder axis, which, however, can also be understood as a secant or as a fit for the mathematical envelope shape of the lock cylinder.
• the arrangement of the slide element is designed transversely and spaced from the lock cylinder axis, that the manual pressure actuation on the slide element by a finger, preferably by a thumb executable, especially if the key is simultaneously held manually.
• the key body can be held by the forehead, the first to the fourth fingers, over the crayons while the pusher member is operated with the thumb. This creates an ergonomic hand movement for removal of the key from the lock cylinder.
• the lock cylinder is presently understood as a built-in part in a lock for a door, a window, a gate or the like, wherein the lock cylinder has a lock cylinder core into which the key is inserted, and which is rotatable with the key in the lock cylinder.
• the locking device according to the present invention can be arranged on the front side of the lock cylinder, so that the locking device is mounted in front of the lock cylinder in an accessible manner of the door leaf.
• the slide element along a slide axis is movable and consequently operable, wherein the operative connection between the slide element and the blocking element is designed such that a release of the locking of the key by moving the sliding rides in both directions of the slide axis is enabled.
• the slider element can be operated both from the left and from the right to unlatch the key.
• both with the right hand and with the left hand of the key from the Are removed lock cylinder, so that either, for example, the operation of the slider element with the right hand from the left side, and with the left hand from the right side, since the respective thumb side forms the operating side.
• an approximately disc-shaped base body in which preferably a slide channel is designed for guiding the slide element, which extends transversely and spaced from the lock cylinder axis approximately tangential to the lock cylinder through the base body.
• the base body can be produced as a metallic component by machining processes or by casting processes, for example by a die casting process or a MINM process.
• the main body may be formed of a plastic material, wherein all functional geometries and functional surfaces are preferably mounted directly on the one-piece base body.
• the disc-shaped basic structure describes a flat cylinder, which is preferably adapted in diameter to the diameter of the lock cylinder.
• a slide channel which, in particular, can be designed as a depression towards a plane surface of the disk-shaped base body.
• the blocking element can be received in a liftable lifting in the base body, wherein the locking element for locking with the Key protrudes into a keyway and is retractable from this, which is introduced in the body.
• the key can have a latching nose, into which the locking element for latching the key to the lock cylinder engages when the locking element projects into the keyway, the lifting axis preferably extending radially to the lock cylinder. Due to the course of the lifting axis, the direction of movement of the blocking element is arranged perpendicular to the direction of movement of the slide element in the main body of the locking device.
• the blocking element can be arranged in a stroke channel, wherein the stroke channel runs perpendicular to the slide channel and has a crossing point with the slide channel.
• the blocking element is introduced into the lifting channel in such a way that, in the position for locking the key on the locking cylinder, it projects into the keyway.
• the latch on the key is designed so that when locking the locking element on the locking lug the key can not be removed from the lock cylinder. If the slide element is moved in the slide channel, then the blocking element moves out of the key passage through the operative connection between the locking element and the slide element, so that the key can also be moved freely with the latching nose through the key passage.
• the slider element has an active surface with a latching notch, wherein the blocking element has a pressure pin.
• the operative connection between the slide element and the blocking element is formed by a sliding of the pressure pin on the notch.
• the latching notch forms the middle position of the slider element, so that the pressure pin engages in the latching notch. th when the slider element is not actuated and is in the center position. If the pressure pin engages in the latching notch, the path of the blocking element along the lifting channel is released, and the blocking element can partially protrude into the keyway in order to come into operative connection with the latching lug on the key.
• a spring element which biases the blocking element in the direction of locking the blocking element in the latching lug of the key.
• the bias of the spring element is a permanent sliding of the pressure pin on the notch.
• the active surface is formed on the left and right of the latching notch, so that when the pressure pin slides in the direction of the effective surface, the blocking element is led out of the keyed passage.
• the slider element is in the middle position, the notch is located immediately below the pressure pin. In this position, a path of the locking element is released in the direction of the keyway, since the pressure pin can engage in the notch, which represents a depression in the effective surface of the slide element.
• the pressure pin moves out of the latching notch again, and the blocking element is moved counter to the direction of the lock cylinder axis in the stroke axis.
• the blocking part of the blocking element is led out of the keyway again, and a removal of the key from the lock cylinder is released. Due to the symmetrical arrangement of the slide element of the pressure pin can be led out in both directions from the notch, so that regardless of the direction of movement of the Schieberele- ment in the slide axis, a lifting movement of the locking element takes place away from the lock cylinder axis.
• a guide element is provided, which is designed for guiding and preferably for limiting the movement of the locking element and the slider element and in particular in the base body is introduced.
• the guide element may form a cylindrical pin which is firmly inserted in the base body. Both in the slider element and in the blocking element, a slot is introduced, through which the guide element extends through each.
• the guide element thus forms the point of intersection between the axes of movement of the slider element and the blocking element, which run perpendicular to each other.
• the slide element on two push-buttons which are integrally formed on the end of the slide element, that with manual pressure on the push button, the slide element in the slide axis is movable
• the push buttons are preferably integrated into the peripheral surface of the disc-shaped base body.
• the slide element may have an approximately rectangular cross section perpendicular to the slide axis, wherein the push buttons are formed in size and shape such that they integrate into the peripheral surface of the disc-shaped base body.
• the pushbuttons can be designed in such a way that they do not protrude beyond the basic dimensions of the main body, in particular the pushbuttons do not project beyond one of the plane surfaces of the main body, whereby the risk of breakage of the pushbuttons is minimized.
• the main body can be designed for frontal arrangement on the lock cylinder, wherein the base body has at least one through hole through which a screw for screwing the body on the front side of the lock cylinder can be guided.
• two through-holes can be provided adjacent to the key passage, so that a screwing of the base body to the lock cylinder is made possible.
• an electrical detection means may be provided, by which at least the locking of the key on the lock cylinder can be seen.
• the electrical detection means may comprise a microswitch, which senses the latched arrangement of the key in the locking device.
• an electrical signal can be provided to detect, for example, whether the lock cylinder provides a rotary knob function by the key or whether the key is removed or released for removal.
• a further or alternative electrical detection means can be provided which senses the arrangement of a locking device on a lock cylinder of a lock.
• This electrical detection means may be integrated in the locking device or in the lock.
• the object of the present invention is further achieved by a lock with a locking device for locking a key on a lock cylinder of the lock, wherein the locking device is designed for mounting on the lock cylinder and extends around a lock cylinder axis, wherein a locking element is provided to lock the key in key withdrawal position can be locked with the key.
• the locking device has a transversely and spaced from the lock cylinder axis movable slide element, which by manual Druckbetuschi- tion in the tangential direction to the lock cylinder with the locking member cooperates such that a release of the locking of the key is possible.
• FIG. 1 is a perspective view of an embodiment of a locking device for locking a key on a lock cylinder, wherein the locking device is arranged on a lock cylinder,
• FIG. 3 is a view of an embodiment of the locking device in a flying view
• FIG. 4 shows a side view of a key with a latching lug for latching in the locking device according to FIG. 1,
• Fig. 5 is a view of the locking device with a locking element in the locked position
• Fig. 6 shows the view of the locking device according to Figure 5, wherein the locking element is moved by actuation of the slider element in a release position.
• FIG. 1 shows an embodiment of a locking device 1 according to the invention, which is arranged on the front side of a lock cylinder 11.
• the illustration shows two opposite locking cylinder 11, which are screwed together with screw 26.
• two screw elements 26 extend through the locking device 1 in such a way that they both exhibit a mutual tension of the Th lock cylinder 11 and allow attachment of the locking device 1 on the lock cylinder 11.
• the lock cylinders 11 are arranged, for example, laterally on a lock case which is installed in a door leaf, the lock cylinders 11 can be clamped in the door leaf for final fastening by means of clamping nuts 27.
• the clamping nuts 27 can be screwed on a externally applied to the lock cylinders 11 thread.
• a key 10 is inserted, which is shown in a deduction position.
• the key 10 is locked to the lock cylinder 11, so that the key 10 can not be removed from the lock cylinder 11 in the key withdrawal position. Consequently, the key 10 can perform a knob function, wherein the locking device 1 is preferably arranged on the lock cylinder 11 of a door leaf, which faces a room inside.
• the illustration shows the locking device 1 with a slider element 13 according to the invention, which can be manually operated by pressure actuation in tangential direction to the lock cylinder 11.
• the key 10 can be released to pull it out of the lock cylinder 11.
• the slider element 13 extends in the manner of a secant through the main body 15 of the locking device 1, so that the sliding element 13 pierces the lateral surface of the base body 15 on two opposite sides.
• a movement of the slide element 13 can be generated by manual pressure actuation, so that the key 10 is released for removal from the lock cylinder 11.
• the diameter of the disc-shaped base Body 15 of the locking device 1 is adapted to the diameter of the lock cylinder 11 and extends substantially around the lock cylinder axis 12, which forms the longitudinal axis of the lock cylinder core, in which the key 10 is rotatable.
• the direction of movement of the slide element 13 is indicated by a double arrow and extends in a slide axis 14.
• the slide element 13 can be pressure-actuated both from the left side and from the right side to laterally displace the slide element 13 in the slide axis 14.
• the arrangement of the slide element 13, taking into account the progression of the slide axis 14, offers an ergonomic advantage, since the key 10 can be enclosed with the fore hand while the slide element 13 is actuated with the thumb to remove the key 10. Due to the mutual movability of the slide element 13, actuation of the slide element 13 can be effected ergonomically both from the left side with the thumb of the right hand and from the right side with the thumb of the left hand, wherein the key 10 simultaneously engages with the thumb Forehand can be removed from the lock cylinder 11, while the slider element 13 is actuated.
• the operative connection between the locking of the key 10 and the actuation of the slide element 13 is shown in more detail in the following figure in an exploded view of the locking device 1.
• FIG. 3 shows an exploded view of the embodiment of the locking device 1 according to the present invention.
• the locking device 1 initially comprises a base body 15, which is designed as a single part and for receiving and guiding further the locking device 1 forming component corresponding recesses and channels.
• the main body 15 has a keyed passage 28, through which the key 10 extends in the inserted into the lock cylinder 11 state.
• a slide channel 16 is introduced in the main body 15. This is introduced as a U-shaped depression in the end face of the main body 15, which is adjacent to the arrangement of a closing cylinder 1 to this.
• the slide element 13 has a geometry which is formed complementary to the design of the slide channel 16 in order to allow a guide in the direction of the double arrow shown in the slide channel 16.
• the locking device 1 comprises a blocking element 17 which can be latched to lock the key 10 in key withdrawal position with this.
• the blocking element 17 is received in a lifting axis 8 according to the double arrow shown vertically liftable. If the blocking element 17 is in a locking position in which the key 10 is locked, the lower part of the blocking element 17 projects into the keyway 28. If the key 10 is to be released by disengaging the catch with the blocking element 17, the blocking element 17 moves along the lifting axis 18 in the upward direction.
• a spring element 22 is arranged on the rear side on the blocking element 17 so that the tongue-like underside of the blocking element 17 protrudes into the keyway 28 in the rest position in order to lock the key 10.
• the slider element 13 has an active surface 23 with a latching notch 20, wherein the blocking element 17 has a pressure pin 21 which cooperates with the active surface 23 and in particular with the latching notch 20.
• the slide axis 14 extends horizontally and thus perpendicular to the lifting axis 18, so that the slide element 13 executes a movement which is perpendicular to the movement of the blocking element 17.
• the pressure pin 21 may be with notch 20 interact.
• the pressure pin 21 engages in the middle of the latching notch 20 in the slide element 13.
• the blocking element 17 can be moved so far in the direction of the keyed passage 28 that the tongue-like extension of the blocking element 17 projects into the keyway 28. If the slide element 13 is moved by pressure actuation either in the first or in the second direction of the slide axis 14, the blocking element 17 is moved upwards along the lifting axis 18, so that the key passage 28 is completely released.
• the locking device 1 has a rest position in which the pressure pin 21 centrally engages in the notch 20, which is basically taken after release of the slide element 13 again.
• a guide element 24 is provided, which is designed as a bolt and is firmly inserted in the base body 15. So that the respective movement guidance is made possible, the slide element 13 has a slot 31 and the blocking element 17 has a slot 32, wherein the guide element 24 extends through the elongated holes 31 and 32. Consequently, at the same time a limitation of the movement of the slider element 13 and the blocking element 17 is created.
• FIG 4 shows a side view of a key 10, which is designed for locking with the locking device 1.
• the key 10 has a Key 30, which is exemplified as a plastic injection molded component and from which the key bit 29 extends out.
• a latching lug 19 is shown, which is embodied in one piece with the plastic injection-molded component of the key bit 30.
• the locking element 17 can engage behind the locking lug 19 in the locking position, so that is prevented in the movement of the key 10 in the direction of the key grain 30 when the key bit 29 is inserted into the lock cylinder 11.
• the locking lug 19 has a run-up slope 19 a.
• a complementarily executed run-on slope can also be provided on the blocking element 17.
• the latching lug 19 is arranged in the angle segment on the key 10, in which the latching lug 19 points in the direction of the blocking element 17 when the key 10 is in the key withdrawal position. In an other position outside the key withdrawal position, the key 10 can not be removed from the lock cylinder 11, since the key 10 is held fast by the lock cylinder core and the corresponding supply lines.
• Figures 5 and 6 show a plan view of the locking device 1, wherein this is shown in Figure 5 in the rest position and in Figure 6 in an activated position.
• the locking device 1 is shown with the base body 15, in which both the slider element 13 and the blocking element 17 in a built-in by the guide member 24 and attached arrangement is shown.
• the pressure pin 21 is located in the notch 20, which is incorporated in the slider element 13.
• the latching notch 20 is introduced centrally on the active surface 23, wherein the pressure pin 21 has a first flank 21a and an opposite second flank 21b, through which the pressure pin 21 is designed in a V shape.
• the V-shape is repeated in the notch 20, wherein the V-opening of the notch 20 is made at a greater angle than the angle between the first flank 21a and the second flank 21b.
• the slide element 13 has end push buttons 13a and 13b, via which the slide element 13 can be manually operated. If, for example, a pressure is exerted on the pushbutton 13b, then the slider element 13 moves in the image plane according to FIG. 6 to the left. Thus, the pressure pin 21 moves by contact of the pressure pin 21 with the notch 20 via the second edge 21 in the lifting axis 18 upwards. Thus, the blocking element 17 is at least partially pulled out of the keyway 28.
• the main body 15 is disk-shaped and has a peripheral surface 15 a into which the pushbuttons 13 a and 13 b integrate, which are integrally formed on the slide element 13.
• the main body 15 further has through holes 25 to allow a screwing of the locking device 1 with the lock cylinder 11.
• the slider element 13 may have two differently deep notches, wherein a first notch has a depth in which the locking element 17 can extend so far into the key passage 28 in that a key 10 is locked in the lock cylinder 11.

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Priority Applications (2)

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Publications (1)

Family

ID=43836674

Family Applications (1)

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Citations (3)

• 2009
  • 2009-12-17 DE DE102009058925A patent/DE102009058925A1/de not_active Withdrawn
• 2010
  • 2010-12-14 WO PCT/EP2010/007583 patent/WO2011082767A1/de active Application Filing
  • 2010-12-14 EP EP10794890.3A patent/EP2513395B1/de active Active
  • 2010-12-14 CN CN201080056747.9A patent/CN102656329B/zh not_active Expired - Fee Related
  • 2010-12-15 TW TW099143885A patent/TW201135038A/zh unknown

Patent Citations (3)

Non-Patent Citations (1)

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