EP2666938A2 - Serrure pour une porte - Google Patents

Serrure pour une porte Download PDF

Info

Publication number
EP2666938A2
EP2666938A2 EP13002036.5A EP13002036A EP2666938A2 EP 2666938 A2 EP2666938 A2 EP 2666938A2 EP 13002036 A EP13002036 A EP 13002036A EP 2666938 A2 EP2666938 A2 EP 2666938A2
Authority
EP
European Patent Office
Prior art keywords
lock
actuating arm
slider
slide
follower
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13002036.5A
Other languages
German (de)
English (en)
Other versions
EP2666938B1 (fr
EP2666938A3 (fr
Inventor
Kai Gröne
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dormakaba Deutschland GmbH
Original Assignee
Dorma Deutschland GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dorma Deutschland GmbH filed Critical Dorma Deutschland GmbH
Publication of EP2666938A2 publication Critical patent/EP2666938A2/fr
Publication of EP2666938A3 publication Critical patent/EP2666938A3/fr
Application granted granted Critical
Publication of EP2666938B1 publication Critical patent/EP2666938B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B55/00—Locks in which a sliding latch is used also as a locking bolt
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B53/00—Operation or control of locks by mechanical transmissions, e.g. from a distance
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B59/00—Locks with latches separate from the lock-bolts or with a plurality of latches or lock-bolts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/0013—Followers; Bearings therefor

Definitions

  • the invention relates to a lock for a door with a lock housing, in which a follower is rotatably disposed about an actuating axis, wherein on the follower an actuating arm is arranged.
  • the lock further includes a latch movable between a closed position and an open position, a translationally movable slider, and a locking mechanism for transmitting movement of the slider to the latch, wherein the actuating arm is configured so that upon rotation of the follower, the actuating arm displaces of the slider via a slider contact surface performs.
  • Such door locks are widely known. That is, there are a variety of slide-controlled door locks on the market. In these door locks, the "control" of the processes in the door lock takes place via a slide.
  • the pusher or the pusher nut raises the slide and the door lock opens via an actuating arm, also referred to as Mit NHLarm.
  • a latch of the door lock is pulled and a latch, such as a cross latch, is unlocked, that is, from a closed position in which the latch protrudes into an open position for engagement in a lock latch receptacle in a door frame from the lock housing of the door lock, in the the latch is pulled into the lock housing to release the door.
  • the required maximum torque should be kept low at the follower.
  • the object of the invention is a lock for a door, with a lock housing in which a follower is arranged rotatable about an actuating axis, wherein on the follower an actuating arm is arranged, a movable between a closed position and an open position lock latch, a translationally mounted Slider and a locking mechanism for blocking or releasing a movement of the lock latch, wherein the actuating arm is designed such that upon rotation of the follower, the actuating arm performs the displacement of the slider via a slider contact surface, wherein upon displacement slides a contact contour of the actuating arm on the slider contact surface, solved.
  • the lock is further characterized in that the actuating arm is cam-shaped.
  • the follower is rotatable about an actuating axis on the lock, in particular in the lock housing, arranged.
  • a pusher can be inserted in the pusher handle for manual operation of the lock.
  • an actuating arm which can also be referred to as Mit Conversearm arranged.
  • the actuating arm is such coupled with the pusher that this moves during a rotational movement of the pusher, in particular twisted, is.
  • the door lock has a translationally mounted slide.
  • the slider is advantageously movably mounted in the lock housing of the castle.
  • the latch of the door lock is movable between a closed position and an open position.
  • the latch which may be designed in particular as a cross latch, projects out of the door lock, in particular the lock housing, so as to engage in a lock latch receptacle of a door frame.
  • the lock latch In the open position, the lock latch is pushed in to release the door in the door lock or the lock housing through the door.
  • the latch can be pivoted between the two positions.
  • the latch bolt between the open position and the closed position is mounted linearly movable.
  • the lock has a locking mechanism, also referred to as a hinge mechanism on.
  • the locking mechanism is configured to block or release movement of the latch.
  • the latch is not actively retracted by the locking mechanism, but is either blocked or released by the locking mechanism.
  • the locking mechanism may, for example, a clamping plate, a spring element and / or one or more toggle lever.
  • the locking mechanism is coupled to the slider. Depending on the position of the slide, the locking mechanism is brought into a position in which it blocks or releases a movement of the lock latch.
  • the direction of movement of the latch bolt is inclined, in particular vertically inclined, to the direction of movement of the slide.
  • the actuating arm of the door lock is designed such that during a rotational movement of the follower and thus the actuating arm of the actuating arm, the displacement of the slider via a slide contact surface performs, during the displacement, the contact contour of the actuating arm slides along the slider contact surface. This means that the actuating arm engages the movement of the slider on a slider contact surface of the slider and this moves in translation, in particular linear, due to its movement.
  • the core of the invention is the special shape of the actuating arm.
  • the actuating arm is cam-shaped.
  • the actuating arm has a contact contour for engagement with the slide, which is designed like a cam.
  • the actuating arm or the contact contour of the actuating arm is designed such that it permanently contacts the slider contact surface of the slider during the displacement of the slider. This means that the actuating arm or the contact contour of the actuating arm slides along the slider contact surface of the slider during the movement of the actuating arm, starting with the region of the actuating arm or the contact contour which faces the actuating axis of the actuating arm.
  • the contact contour slides in the direction of the free end of the actuating arm along the slide contact surface of the slide.
  • the actuator arm is adapted to the force required to move the slider.
  • the special design of the actuating arm or the contact contour of the actuating arm ensures that the torque at the follower is constant or relatively constant over the entire stroke of the slide. After a certain slide stroke, the slider hits the locking mechanism of the door lock.
  • the actuating arm is preferably designed cam-shaped, that the lever arm between the contact point between the actuating arm and the slider and the actuating axis of the follower is low, when the force for displacement of the slider is greater, for example Unlocking the locking mechanism. That is, the cam-like actuating arm is adapted to the force required to move the slider.
  • the cam-like actuating arm is in particular designed such that the lever arm between the contact point between the actuating arm and the slider and the actuating axis of the follower is then low when the force to be applied to move the slider is large, and then larger when the applied force to shift the slider is low.
  • a constant or approximately constant torque can be ensured on the follower over the entire stroke of the slide.
  • Such a trained lock for a door prevents in a cost effective and simple way that the follower is too heavily loaded in their operation.
  • the required maximum torque at the follower can be kept low over the entire stroke of the slide.
  • Due to the special contact contour of the actuating arm is ensures that the applied torque for displacement of the slide can be kept permanently relatively low.
  • the contact of the actuating arm on the slide contact surface of the slide takes place, not as previously known with the end of the actuating arm, but with the entire contact contour of the actuating arm.
  • the cam-like actuating arm and thus the contact contour of the actuating arm is configured such that the lever arm between the contact point between the contact contour of the actuating arm and the slide contact surface and the actuating axis during the rotation of the follower can change depending on Krafter réelleis, so that the torque applied to the follower can be kept relatively constant for displacement of the slide, in particular for unlocking the locking mechanism can be kept constant. That is, the cam-like actuating arm is preferably designed such that the unlocking of the locking mechanism, when a greater force is required for displacement of the slide, the smallest possible lever arm is present. As a result, permissible Drückernussmomente be easily complied with.
  • the door lock according to the invention ensures that the distance between the actuating axis of the follower and thus also the axis of rotation of the actuating arm is changed to the contact point between the actuating arm and the slider contact surface and thus the slide in dependence on the force required to move the slider,
  • the actuating arm in particular the contact contour of the actuating arm, curved, in particular convexly curved, is formed. Due to the curved, in particular convexly curved, formed shape of the actuating arm or the contact contour of the actuating arm ensures that upon rotation of the follower and an associated rotation or pivoting of the actuating arm, the contact contour the actuating arm is permanently in contact with the slider contact surface and the slider contact surface slides along the contact contour of the actuating arm. Due to the curved design of the actuating arm, the contact contour of the actuating arm slides in a rotation or pivoting of the actuating arm permanently along the slide contact surface of the slide along.
  • Curved may also mean in the sense of the invention that the contact contour is formed, for example serpentine.
  • the contact contour can have one or more convex regions, so-called bumps.
  • the contact contour is curved at least in part, in particular at least partially convexly curved, formed.
  • the strength of the curvature can over the stop contour be different, especially in the direction of the free end of the operating arm decrease.
  • the slider contact surface is formed inclined to the direction of displacement of the slider on the slider.
  • a tapered to the displacement direction of the slider slide contact surface, wherein the tip of the slide contact surface is directed to the follower allows the actuating arm or the Anfagekontur the actuating arm abuts the tip of the slide contact surface, in particular at the beginning of the displacement process of the slider.
  • Such a design of the slider contact surface may additionally or alternatively be provided to the cam-like or curved, in particular convexly curved, formation of the actuating arm.
  • the actuating arm may be fixed force and / or positive locking on the follower.
  • the actuating arm may be provided in a door lock that the actuating arm is integrally formed, in particular monolithic, with the pusher.
  • manufacturing and assembly costs can be kept low.
  • an integral, in particular monolithic, trained actuating arm ensures a very good power transmission from the follower via the actuating arm on the slide of the door lock.
  • the slide contact surface can be designed in various ways.
  • the Schleber contact surface is flat. This ensures a simple sliding along the contact contour of an actuating arm during the displacement of the slide by the actuating arm, in particular when this is cam-shaped, in particular a curved contact surface having.
  • the Schleber contact surface curved, in particular convex curved be formed. This also ensures a good sliding along the contact contour of the actuating arm on the slider contact surface during a rotational movement of the follower.
  • the slide contact surface on a projecting from a main body of the slide contact element, in particular contact plate is arranged.
  • the follower is preferably arranged next to a longitudinal side of the slide on the door lock or in the lock housing.
  • the actuating arm of the pusher nut extends in the normal position of the follower advantageously perpendicular or approximately perpendicular to the displacement direction of the slider.
  • a protruding from the main body of the slider contact element, in particular a contact plate ensures during the rotational movement of the follower a secure contacting of the contact element by the contact contour of the actuating arm.
  • the contact element is attached to the slider, in particular to the main body of the slider.
  • the contact element is in one piece, in particular monolithic, formed with the slide. As a result, a permanently secure attachment of the contact element is ensured on the slider.
  • the slider is translationally movable on the door lock, in particular in the lock housing of the door lock stored.
  • a door lock wherein the slide is mounted linearly displaceable in the lock housing.
  • the slider can be easily moved back and forth within the lock housing.
  • a guide advantageously a guide slot, be provided for the displacement of the slider.
  • a door lock having a movably mounted latch which is coupled to the slider such that during a movement of the slider, the bolt between a locking position and an unlocking position is movable.
  • a door lock is preferred in which the movement of the bolt is coupled to the movement of the slider such that at the beginning of the movement, in particular the displacement of the slider, the bolt is transferred by the movement of the slider from the locking position to the unlocked position.
  • the bolt may be guided via a bolt in a slotted guide in the slide, in particular in the main body of the slide.
  • connection between the follower and the slide is not designed as a classic linear lever, but by the cam-like actuating arm according to the invention, the respective lever length can be adapted to the power requirement on the slide. As a result, the required maximum torque at the pusher nut can be kept low or the required torque for shifting the pusher constant or approximately constant.
  • Fig. 1 schematically shows in a perspective view a pusher 3 with an actuating arm 5 and a slider 10 of a lock 1 according to the invention for a door.
  • the pusher nut 3 is arranged rotatably about an actuating axis 4 in a door lock 1 or a lock housing 2 of a door lock 1.
  • an actuating arm 5 is attached at the follower 3.
  • the actuating arm 5 may be fixed non-positively or positively to the follower 3.
  • the actuating arm 5 is integrally formed, in particular monolithic, with the follower 3. During a movement of the follower nut 3 about the actuating axis 4, the actuating arm 5 comes into contact with the slider contact surface 11 of the slider 10.
  • the slider 10 can be operatively connected to a locking mechanism 30, not shown , Depending on the position of the locking mechanism 30, a latch of the lock can be blocked or released. If the locking mechanism 30 releases the movement of the lock latch, it can be pushed through the door in the direction of the lock housing 2 in order to release the movement of the door.
  • the slider 10 is translationally movable, in particular linearly movable, in the door lock 1, in particular in the lock housing 2, stored. Depending on the position of the slider 10, the locking mechanism is released or blocked.
  • the actuating arm 5 is designed such that upon a rotational movement of the follower nut 3, the actuating arm 5 performs the displacement of the slider 10 via the slider contact surface 11.
  • the slide contact surface 11 is arranged in this embodiment of the door lock 1 on a protruding from a base body 13 of the slider 10 contact element 14.
  • the contact element 14 is perpendicular or approximately perpendicular to the displacement direction 12 of the slider 10.
  • the actuating arm 5 is cam-shaped.
  • the actuating arm 5 has an abutment contour 8, which is convexly curved.
  • the contact contour 8 is designed for permanent contacting of the slider contact surface 11 of the slider 10 during the displacement of the slider 10.
  • the size and the position of the actuating arm 5 and the slider contact surface 11 and the contact element 14 are matched to one another such that during a rotational movement of the follower 3, the contact contour 8 is permanently applied to the slider contact surface 11.
  • the slider contact surface 11 slides along the contact contour 8 until, in an end position of the slider 10, the free end of the actuating arm 5 bears against the slider contact surface 11.
  • the actuating arm 5 or the contact contour 8 of the actuating arm 5 is designed such that during the rotary movement of the follower 3 a constant or approximately constant torque is applied to the follower.
  • the contact contour 8 of the actuating arm 5 is curved, in particular convexly curved, formed.
  • This shape of the actuating arm 5 or the contact contour 8 ensures that the distance L1 between the actuating axis 4 of the follower nut 3, which corresponds to the axis of rotation of the actuating arm 5, and the contact point between the contact contour 8 of the actuating arm 5 and the slider contact surface 11 of the slider 10 in the displacement of the slider 10 by the actuating arm 5 is changed.
  • the shape of the actuating arm 5 is so adapted to the different force that is required during the stroke of the slider 10 for the displacement of the slider 10, that the follower torque M is kept as small as possible and as constant as possible during the displacement of the slider 10.
  • Fig. 2 schematically shows an interior view of a lock 1 for a door, which is designed according to the construction principle of the invention.
  • the follower 3 is rotatably mounted in the lock housing 2 of the door lock 1.
  • the slider 10 is movable, in particular linearly movable, stored.
  • the slider 10 may be mounted in a guide, in particular a slide guide.
  • the door lock 1 has a lock latch 20, here in the form of a cross latch.
  • the cross latch 20 has two crosshatch wings 21, 22.
  • the cross latch 20 is mounted linearly movable on the door lock 1. In Fig. 2 the cross latch 20 is in the closed position.
  • the cross latch 20 can be transferred from the closed position to an open position. In the open position, the cross latch 20 is pushed into the lock housing 2 through the door. That is, for movement of the cross latch 20, the lock mechanism 30 must release the movement. In this case, a movement of the slider 10 in the direction of the locking mechanism 30 causes the release of the locking mechanism 30.
  • the door lock 1 may further comprise a lock cylinder 40, a latch 50 and optionally an additional latch 60.
  • the lock cylinder 40 can be so in operative connection with the slider 10 that upon actuation of the lock cylinder 40 is displaced by a key of the slider 10. By moving the slider 10, the latch 50 of the door lock 1 can be actuated.
  • the contact contour 8 of the actuating arm 5 can come into contact with the pusher contact surface 11 of the pusher 10.
  • the slider 10 can be moved over the actuating arm 5 such that it can unlock the locking mechanism 30 to release the movement of the lock latch 20.
  • a spring element 9 may be arranged on the follower nut 3, which can be tensioned during the rotation of the follower nut 3.
  • the lock mechanism of the door lock 1 according to Fig. 2 is schematically in a perspective view again in Fig. 3 shown.
  • the distance L1 between the contact point of the contact contour 8 of the actuating arm 5 and the slider contact surface 11 of the slider 10 to the actuating axis 4 is by the cam-like shape of the actuating arm 5 and the special design of the contact contour 8 of the actuating arm 5 in each position of the actuating arm 5 and the slide 10 predetermined.
  • This ensures in particular that the torque M, which acts on the follower nut 3 during its rotation, is kept constant or approximately constant.
  • the cam-like shape of the actuating arm 5 that the required maximum torque of the follower 3, for example, to unlock the locking mechanism 30 can be kept low.
  • a slightly constantly increasing torque curve 80 results at the pusher nut 3, which only increases slightly more at the moment of unlocking the locking mechanism 30. Due to the special design of the actuating arm 5, in particular the curved design of the contact contour 8 or the cam-like design of the actuating arm 5, it is ensured that the distance L1 of the contact point between the actuating arm 5 and the slider contact surface 11 of the slider 10 to the actuating axis the follower nut 3 during the movement of the follower nut 3 and the associated displacement of the slider 10 in response to the force required to move the slider 10 is changed.
  • the torque curve 80 of the door lock 1 according to the invention is lower than the torque curve 81 of a known door lock with a lever whose end rests against it during the entire displacement of the slide.
  • lock 2 lock housing 3 follower 4 operating axis 5 actuating arm 6 free end of the actuator arm 8th contact contour 9 spring element 10 pusher 11 Slide contact surface 12 shift direction 13 body 14
  • Contact element / contact plate 20 latch 21 first cross trap wing 22 second cross trap wing 30 locking mechanism 40 lock cylinder 50 bars 60
  • Additional drop-head 70 Force curve over stroke 80 Moments over stroke 81 Moment progression via stroke with straight actuating arm L1 Distance between actuation axis and contact point between actuator arm and slider contact surface

Landscapes

  • Lock And Its Accessories (AREA)
EP13002036.5A 2012-05-23 2013-04-18 Serrure pour une porte Active EP2666938B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012104448A DE102012104448A1 (de) 2012-05-23 2012-05-23 Schloss für eine Tür

Publications (3)

Publication Number Publication Date
EP2666938A2 true EP2666938A2 (fr) 2013-11-27
EP2666938A3 EP2666938A3 (fr) 2017-11-15
EP2666938B1 EP2666938B1 (fr) 2019-06-05

Family

ID=48190022

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13002036.5A Active EP2666938B1 (fr) 2012-05-23 2013-04-18 Serrure pour une porte

Country Status (3)

Country Link
EP (1) EP2666938B1 (fr)
CN (1) CN103422736A (fr)
DE (1) DE102012104448A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2706174A3 (fr) * 2012-09-05 2017-04-19 DORMA Deutschland GmbH Serrure pour une porte
EP3438384A1 (fr) * 2017-08-03 2019-02-06 Roto Frank Ag Serrure

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20161254A1 (it) * 2016-03-02 2017-09-02 Bonaiti Serrature Spa Serratura per porta a battente
EP3733998A1 (fr) * 2019-04-30 2020-11-04 dormakaba Deutschland GmbH Serrure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007012614A1 (de) * 2007-03-13 2008-09-18 Dorma Gmbh + Co. Kg Panikschloss
DE102007012613B4 (de) * 2007-03-13 2018-03-08 Dormakaba Deutschland Gmbh Panikschloss
CN202081741U (zh) * 2011-04-27 2011-12-21 瑞安市佩斯顿锁业有限公司 快速逃生防盗执手门锁

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2706174A3 (fr) * 2012-09-05 2017-04-19 DORMA Deutschland GmbH Serrure pour une porte
EP3438384A1 (fr) * 2017-08-03 2019-02-06 Roto Frank Ag Serrure

Also Published As

Publication number Publication date
CN103422736A (zh) 2013-12-04
EP2666938B1 (fr) 2019-06-05
DE102012104448A1 (de) 2013-11-28
EP2666938A3 (fr) 2017-11-15

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