EP2910716A2 - Gâchette - Google Patents

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Publication number
EP2910716A2
EP2910716A2 EP15155507.5A EP15155507A EP2910716A2 EP 2910716 A2 EP2910716 A2 EP 2910716A2 EP 15155507 A EP15155507 A EP 15155507A EP 2910716 A2 EP2910716 A2 EP 2910716A2
Authority
EP
European Patent Office
Prior art keywords
coupling
closure
movement
spring
stop
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
EP15155507.5A
Other languages
German (de)
English (en)
Other versions
EP2910716B1 (fr
EP2910716A3 (fr
Inventor
André Batz
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.)
KA Schmersal Holding GmbH and Co KG
Original Assignee
KA Schmersal Holding GmbH and Co KG
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 KA Schmersal Holding GmbH and Co KG filed Critical KA Schmersal Holding GmbH and Co KG
Publication of EP2910716A2 publication Critical patent/EP2910716A2/fr
Publication of EP2910716A3 publication Critical patent/EP2910716A3/fr
Application granted granted Critical
Publication of EP2910716B1 publication Critical patent/EP2910716B1/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
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
    • E05B47/026—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving rectilinearly
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014—Constructional features of actuators or power transmissions therefor
    • E05B2047/0018—Details of actuator transmissions
    • E05B2047/0026—Clutches, couplings or braking arrangements
    • E05B2047/0031—Clutches, couplings or braking arrangements of the elastic type
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0048—Circuits, feeding, monitoring
    • E05B2047/0067—Monitoring
    • E05B2047/0069—Monitoring bolt position

Definitions

  • the invention relates to a tumbler, i. Closure or locking device.
  • Tumblers are used, for example, in access barriers on a movable area-occluding member such as a door, hatch or lid.
  • a tumbler By means of a tumbler, such a movable element can be locked or locked.
  • Such access devices can be used in many areas, especially in automation technology.
  • the access to a system such as a robot or other mechanical or chemical plant may be limited by a boundary in which a door or flap is provided, which is, for example, to open by panning or pushing.
  • the door or flap can be locked or locked by a closing element of a tumbler, for example by a locking bolt.
  • the locking or locking can be selectively established or released by the closure element, for example.
  • Locking bolt is moved by motor in the respective desired position.
  • Such an access door can be locked during operation of a system for safety reasons, but allow access to the system for standstill of operation, maintenance, etc. by unlocking the access.
  • the EP 2 295 679 A2 describes a guard for a component for closing an opening.
  • a longitudinally movable bolt is driven by an electric motor via a transmission device.
  • a sensor is provided which determines in which end position the bolt is located.
  • a controller determines the time required for the bolt to move from one end position to the other end position. This can be used to determine whether the drive can move freely or whether the bolt is blocked.
  • EP 2 343 424 A2 is a tumbler described in which a plunger a door as a movable Part stops, or arrested.
  • a drive drives a rack for this purpose as a transmission element.
  • the transmission element acts on a designed as a spring energy storage for moving the plunger. If the plunger is not blocked, it moves due to the force applied by the spring. In the case of a blockage of the plunger, the drive moves the transmission element so that energy is stored in the spring. If the blockage falls away, then the plunger jumps into the respectively activated position due to the spring force.
  • a tumbler in which a drive moves via an interlinked transmission means a plunger.
  • the transmission device has a first transmission element which is coupled by means of a pin to the plunger, which moves in a slot.
  • the first transmission element is rotatably mounted and is coupled with respect to a worm wheel segment as a second transmission element by a torsion spring. If the drive causes a rotational movement of the second transmission element, in the normal case the rotational movement is immediately converted by the spring into a rotational movement of the first transmission element.
  • the ends of the torsion spring bear against stops of the first and second transmission element.
  • the tumbler comprises a closing element which can move in a closing direction,
  • a closing element which can move in a closing direction
  • a locking bolt which is displaceable in its longitudinal direction in the closing or opposite opening direction, at least between a closed position in which a part of the closure element with a receiving element, eg. A receiving opening, cooperating to form a lock, and an open position, in the locking element releases the lock.
  • the tumbler comprises a drive with a transmission element for moving the closure element.
  • the drive may, for example, provide a linear drive, e.g. as electromechanical linear drive, solenoid, hydraulic or pneumatic cylinder, etc.
  • the drive provides a motor for rotary drive, for example.
  • Via a transmission e.g. is coupled by a rack or drive spindle, for displacement of the transmission element in the closing direction.
  • a transmission e.g. is coupled by a rack or drive spindle, for displacement of the transmission element in the closing direction.
  • an electric motor with a corresponding gear.
  • the transmission element is coupled for movement or force via a coupling with the closure element, so that the transmission element with the closure element is movable together in a first movement direction parallel to the closing direction and a second, opposite movement direction.
  • this movement is a linear movement, so that the coupling transmission element and closure element are jointly linearly movable.
  • the coupling according to the invention is designed so that it is spring-buffered in both directions of movement under bias. Regardless of whether the closure element is to be moved by the drive via the transmission element and the coupling in the closing direction or in the opposite opening direction, a suspension acts via the coupling, so that upon blocking of the closure element movement of the transmission element in one of the directions of movement against a spring force a spring travel is possible.
  • the coupling is under bias, so that the deflection of the spring travel is possible only when overcoming the bias.
  • the movement of the closure element preferably takes place largely synchronously with the movement of the transmission element.
  • the maximum spring travel provided in the coupling can be limited to a small amount compared to the total movement of the closure element.
  • the closure element is movable in the closing direction by a maximum travel, which may be limited by the construction and design of the drive and the transmission element, but also by a corresponding control of the drive.
  • the maximum travel can be, for example, 5 to 50 mm, in some applications for example 10 to 30 mm.
  • the maximum travel of the coupling can, for example, be structurally limited, for example by the distance between two Attacks.
  • the maximum travel of the coupling can be selected preferably low, for example, less than 50% of the maximum travel path.
  • Preferred for a synchronous coupling as possible is an even closer limitation of the maximum travel on, for example, 25% or less of the maximum travel, more preferably 10% or less.
  • the maximum spring travel for example, be limited to a few mm, yet the goal is achieved to prevent damage in the event of a blockage. At the same time can be achieved by limiting the maximum travel a very compact design of the coupling.
  • At least one coupling element is provided for realizing the coupling, which is movable, in particular preferably displaceable, both in relation to the transmission element and in relation to the closure element in at least one of the directions of movement.
  • At least one drive stop is preferably formed on the transmission element and at least one closure stop is formed on the closure element, wherein movement is limited by abutment of the coupling element against these stops.
  • at least one spring is preferably provided in order to act on the coupling element in the direction of these stops.
  • At least one first and one second coupling element are provided which are both movable relative to the transmission element and with respect to the closure element, preferably displaceable, and that a compression spring acts between the coupling elements.
  • the coupling by means of an intermediate coupling element, on which acts a spring, allows the desired decoupling between the closure and transmission element.
  • the use of two coupling elements allows in a simple structure in particular the two-sided decoupling. While multiple springs can be used to generate the spring force, the construction is significantly simplified by the use of a single compression spring between the coupling elements.
  • such a compression spring should act within the coupling in both directions of movement and thus provide the desired spring force, regardless of whether it acts in the closing or opening direction. More preferably, the compression spring for generating be biased according to the desired bias, more preferably between the first and second coupling element.
  • the desired transfer characteristic of the coupling can be achieved with a very simple mechanical construction.
  • At least one first and one second closure stop are provided on the closure element, in each case for a first and a second coupling element. At least two stops may also be provided on the transmission element, a first drive stop for the first coupling element and a second drive stop for the second coupling element.
  • the coupling elements are preferably arranged between the stops, namely between the first closure stop and the first drive stop on the one side and the second closure stop and the second drive stop on the opposite side.
  • a compression spring is provided, which is further preferably biased to bias the first coupling element in the direction of the first closure stop and the first drive stop and the second coupling element in the direction of the second closure stop and the second drive stop.
  • the closure element is designed as a bolt, for example. With a round cross-section.
  • the coupling elements can be designed so that they engage around the closure element, for example as sleeves.
  • the transmission element may be formed encompassing the closure element, for example.
  • a cage It is then particularly preferred that at least one spring and at least one, preferably two coupling elements are arranged within the cage. At the cage stops for the coupling elements may be provided, and the spring may be biased between the stops.
  • FIG. 1 shows in plan view in a partially schematic form a tumbler 10, which on a fixed element (not shown), for example.
  • a door stop against a movable element, here a pivotable door 12 is arranged.
  • the tumbler 10 comprises a locking bolt 14 displaceably mounted in the longitudinal direction L as a movable closure element, which cooperates with a locking opening 16 on the door 12 in such a way that it engages in the in FIG Fig. 1 shown extended locking position causes a locking of the door 12, and in a retracted open position (in Fig. 1 not shown) the locking opening 16 releases.
  • the tumbler 10 a drive in the form of an electric motor 18, via a gear 20, in the example shown consisting of a drive pinion 22 and a threaded rod 24, a feed of a carriage 26 as a transmission element and coupled thereto the advance of the locking bolt 14 in the closing direction or effected in the opposite opening direction.
  • a gear 20 in the example shown consisting of a drive pinion 22 and a threaded rod 24, a feed of a carriage 26 as a transmission element and coupled thereto the advance of the locking bolt 14 in the closing direction or effected in the opposite opening direction.
  • the carriage 26 is as well as off Fig. 2 seen firmly connected to the rack 24 so that it is directly coupled to the engine without play.
  • the locking pin 14 is coupled to the carriage 26 via a prestressed, spring-loaded coupling 30, which will be explained in detail below.
  • spring-loaded and biased coupling 30 play between the movement of the locking pin 14 and the carriage 26 is made possible to a lesser extent, ie, a relative movement between these two parts.
  • the relative movement due to the bias is only possible with relatively strong force, in particular with active drive by the motor 18 and the gear 20 with simultaneous blocking of the locking bolt fourteenth
  • a first closure stop 32a is formed in the form of a step, and a second closure stopper 32b as a ring at a distance thereof.
  • a coupling structure is arranged consisting of a first sleeve-shaped coupling element 34a, a second sleeve-shaped coupling element 34b and a compression spring 40 acting between the coupling elements 34a, 34b.
  • the coupling elements 34a, 34b are each formed as sleeves around the locking pin 14 around. They are relative to the locking pin 14 in the longitudinal direction L displaced.
  • the pressure spring 40 which is likewise arranged around the locking bolt 14, the coupling elements 34a, 34b are pressed apart and acted upon in the direction of the drive stops 32a, 32b.
  • the spring 40 is biased between the coupling elements 34a, 34b, so that in the in Fig. 3a shown rest position, in which the coupling elements 34a, 34b have a maximum distance A from each other, the compression spring 40, the coupling 30 holds under tension.
  • the carriage 26 has a cage 28, which is penetrated by the locking pin 14 and encloses its penetrating portion as well as the coupling elements 32a, 32b and the compression spring 40. Stops are formed on the inner sides of the cage 28 in the form of a first drive stop 36a and a second drive stop 36b.
  • the coupling elements 32a, 32b are disposed between the drive stops 36a, 36b and slidable relative to the carriage 26. How out Fig. 3a it can be seen, the cage 28 of the carriage 26 on both sides in the longitudinal direction L openings 38a, 38b, through which both the locking pin 14 and each projecting collar of the coupling elements 34a, 34b reach through.
  • the closure stops 32a, 32b are arranged outside the drive stops 36a, 36b.
  • the coupling elements 34a, 34b can move in their respective direction each to the stop either on the respective closure stopper 32a, 32b or on the respective drive stop 36a, 36b.
  • Fig. 3b shows the coupling 30 under the action of a high force F in the pulling direction of the locking bolt 14, as they could occur, for example, in the case of a blocking of the locking pin 14 in the causes of movement of the carriage 26 from the locking position to the unlocked position.
  • the force F acts on the first coupling element 34a via the cage 28 and its first drive stop 36a.
  • the compression spring 40 Via the compression spring 40, the force is transmitted to the second coupling element 34b, which, however, is acted upon by the second closure stop 32b in the opposite direction. If the amount of the forces acting on the elements is above the bias of the spring 40, then this is as in Fig. 3b shown compressed, so that the coupling elements 34a, 34b against the action of the spring 40 to move toward each other.
  • the distance of the coupling elements decreases by a spring travel with respect to the maximum distance A, until the coupling elements 34a, 34b touch in an extreme case.
  • Fig. 3c shows the coupling 30 in the case of the action of a high force F in the opposite direction, as might occur, for example, in the case of the blockade of the locking pin 14 in the process from the opening into the locking position.
  • the first coupling element 34a separates from the abutment on the first drive stop 36a
  • the second coupling element 34b separates from its abutment with the second closure stop 32b.
  • the coupling elements 34a, 34b move towards each other even in this opposite application and press the spring 40 together.
  • there is a relative displacement of the carriage 26 and the locking bolt 14 at most by the length A so that a decoupling is made possible to a lesser extent here as well.
  • the bias of the spring 40 can be chosen so that the in Fig. 3b, 3c shown release of the coupling 30, ie temporary decoupling of the elements to each other only at forces that would otherwise lead to the destruction of the drive 18, 20.
  • the coupling 30 remains compact overall as shown. For example, even a maximum travel of only 2mm at a maximum stroke of the locking bolt 14 of 20mm, so a game of a maximum of 20%, effectively sufficient to avoid destruction.
  • the blocking of the striker 14 is detected by a suitable sensor to shut off the drive in time. This can be done, for example, by a current detection on the motor 18 or by position sensors on the locking pin 14.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)
EP15155507.5A 2014-02-20 2015-02-18 Gâchette Active EP2910716B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014102218.1A DE102014102218A1 (de) 2014-02-20 2014-02-20 Zuhaltung

Publications (3)

Publication Number Publication Date
EP2910716A2 true EP2910716A2 (fr) 2015-08-26
EP2910716A3 EP2910716A3 (fr) 2015-09-09
EP2910716B1 EP2910716B1 (fr) 2020-04-01

Family

ID=52544315

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15155507.5A Active EP2910716B1 (fr) 2014-02-20 2015-02-18 Gâchette

Country Status (3)

Country Link
EP (1) EP2910716B1 (fr)
DE (1) DE102014102218A1 (fr)
ES (1) ES2797737T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017002105A1 (de) 2017-03-06 2018-09-06 Dubravko Dubravcic Konus-Fensterelement

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009009259A1 (de) 2009-02-17 2010-08-26 K.A. Schmersal Holding Gmbh & Co. Kg Zuhaltung für ein Bauteil zum Verschließen einer Öffnung
EP2295679A2 (fr) 2009-09-14 2011-03-16 K.A. Schmersal Holding GmbH & Co. KG Dispositif de verrouillage pour un composant destiné à la fermeture d'une ouverture
EP2343424A2 (fr) 2009-12-23 2011-07-13 K.A. Schmersal Holding GmbH & Co. KG Verrou pour un composant destiné à fermer une ouverture

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1637673A1 (fr) * 2004-09-20 2006-03-22 Kaba AG Dispositif de verrouillage
DE102005032172A1 (de) * 2005-07-09 2007-01-11 K.A. Schmersal Holding Kg Zuhaltung für ein Bauteil zum Verschließen einer Öffnung
EP2295697A3 (fr) 2009-09-15 2016-10-19 IFN-Holding AG Procédé de fabrication d'une fenêtre ou d'une porte
CN102953598B (zh) * 2011-08-17 2015-08-19 东莞市锁之道科技有限公司 锁的电动机构
CH705661A2 (de) * 2011-10-24 2013-04-30 Ymatron Ag Schliesssystem für einen Behälter im Aussenbereich.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009009259A1 (de) 2009-02-17 2010-08-26 K.A. Schmersal Holding Gmbh & Co. Kg Zuhaltung für ein Bauteil zum Verschließen einer Öffnung
EP2295679A2 (fr) 2009-09-14 2011-03-16 K.A. Schmersal Holding GmbH & Co. KG Dispositif de verrouillage pour un composant destiné à la fermeture d'une ouverture
EP2343424A2 (fr) 2009-12-23 2011-07-13 K.A. Schmersal Holding GmbH & Co. KG Verrou pour un composant destiné à fermer une ouverture

Also Published As

Publication number Publication date
EP2910716B1 (fr) 2020-04-01
EP2910716A3 (fr) 2015-09-09
ES2797737T3 (es) 2020-12-03
DE102014102218A1 (de) 2015-08-20

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