EP0792404B1 - Serrure pneumatique pour porte - Google Patents

Serrure pneumatique pour porte Download PDF

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Publication number
EP0792404B1
EP0792404B1 EP96911901A EP96911901A EP0792404B1 EP 0792404 B1 EP0792404 B1 EP 0792404B1 EP 96911901 A EP96911901 A EP 96911901A EP 96911901 A EP96911901 A EP 96911901A EP 0792404 B1 EP0792404 B1 EP 0792404B1
Authority
EP
European Patent Office
Prior art keywords
locking
door
bolt
window
actuator
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.)
Expired - Lifetime
Application number
EP96911901A
Other languages
German (de)
English (en)
Other versions
EP0792404A1 (fr
Inventor
Mathias Och
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.)
Festo SE and Co KG
Original Assignee
Festo SE 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 Festo SE and Co KG filed Critical Festo SE and Co KG
Publication of EP0792404A1 publication Critical patent/EP0792404A1/fr
Application granted granted Critical
Publication of EP0792404B1 publication Critical patent/EP0792404B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B51/00—Operating or controlling locks or other fastening devices by other non-mechanical means
    • E05B51/02—Operating or controlling locks or other fastening devices by other non-mechanical means by pneumatic or hydraulic means
    • 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
    • E05B15/0053—Other details of locks; Parts for engagement by bolts of fastening devices means providing a stable, i.e. indexed, position of lock parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/007—Devices for reducing friction between lock parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/10—Locks or fastenings for special use for panic or emergency doors
    • E05B65/104—Locks or fastenings for special use for panic or emergency doors actuated in response to heat, e.g. with fusible element, bimetal, memory shape or swelling material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y10T292/1083—Rigid
    • Y10T292/1089—Sliding catch

Definitions

  • the present invention relates to a lock for doors or functionally similar structures, the mechanics of which are manual is operated with the aid of pneumatic means, accordingly the preamble of claim 1.
  • US 4'021'066 discloses a pneumatic door locking system presented for trucks or railroad cars; at These vehicles have compressed air for braking in the Usually available anyway.
  • the one presented in US 4,169,616 Lock requires a compressed air line from one external source to the castle with an elaborate transition piece provided from the fixed door frame to the movable door is. This applies equally to that in US 4,691,948 locking system presented.
  • the solutions mentioned are based on external energy supply because the short term manually achievable pneumatic energy is small and is insufficient to deal with the considerable frictional forces that occur when opening conventional door locks, too overcome.
  • a pneumatic locking device without external energy supply according to the preamble of claim 1 is presented in US 3,971,241. This device works with a closed, not re-ventilated system. Furthermore, this is known Device the linear movement of a pneumatic actuator directly into the linear movement a locking bolt implemented.
  • the object that is achieved with the present invention is a locking device for doors and functional similar structures, such as windows or Sliding doors, to create their mechanics with the help of pneumatic Means is operated manually without an external Power would be needed, this locking device the disadvantages of known devices avoids this kind.
  • Fig. 1 is the schematic cross section through a first Embodiment of the pneumatic door lock reproduced.
  • a door 2 fitted around a (not shown) vertical axis is pivotally mounted.
  • Mean for generating an overpressure consist of one firmly connected to the door 2 Door handle 3, in which a hollow body 4 is fitted that can be squeezed manually, thereby being Internal volume is reduced.
  • the hollow body 4 is made here from a rubber or plastic balloon. In the sense of the Invention, however, it can also be sealed against one another, contain telescopically fitted parts.
  • the Hollow body 4 is airtight via a connecting hose 5 connected to an actuator 30, which in the overpressure implements a mechanical movement.
  • the actuator 30 is in this embodiment from a pressure cylinder 6, one movable therein Pressure piston 7 and one firmly connected to it and piston rod guided essentially along a straight line 8.
  • the actuator 30 contains a bellows Metal or an elastomer.
  • An elongated locking bolt 12 is fixed at one end to the piston rod 8 connected and also (with not shown Guides) can be moved along the same straight line arranged. Its other end advantageously contains Means with which frictional forces can be reduced.
  • These funds consist here, for example, of a state-of-the-art sprung rotating roller 14; other means of reducing friction are also possible, for example the use of special friction and low-wear materials, or use sufficient lubricant between sliding on each other Divide.
  • a pivot bolt 15 is connected to a fixed to the door Swivel axis 16 within a defined by stops Angular range in the order of about 45 ° rotatably mounted.
  • An outer part of the swivel lock 15 protrudes against the door frame part 1 from the lock.
  • This outer part advantageously also contains Means of reducing the frictional forces that come from here a further sprung rotating roller 19 exist. Also here, as already mentioned for the rotating roller 14, there are others friction-reducing agents possible.
  • One on top of the other Side of the pivot axis 16 lying inner part of the Swivel lock 15 contains two grooves: a locking groove 17 and a locking groove 18 in which the locking bolt 12 when closed or when open Position of the door 2 engages.
  • a first spring 20 is non-positive with the door 2 and the locking bolt 12 connected and ensures that the locking bolt 12 constantly with the force of this spring 20 against the swivel bolt 15 is pressed, the spring 20 is located in this embodiment inside the impression cylinder 6 and is in frictional contact with the Printing cylinder 6 and with the pressure piston 7.
  • a counterpart 21 is firmly connected to the door frame part 1 and offers when door 2 is closed, the outer part of the pivot bolt 15 in a not specifically designated recess Place.
  • the lock works in the following way: when closed Door 2 is the outer part of the pivot bolt 15 non-positively in the recess of the counterpart 21. Der Locking pin 12 is in the locking groove by the spring 20 17 of the swivel lock 15 pressed and fixed this, and thus the whole door 2, frictionally in this location.
  • the door handle 3 For the opening of door 2 with a single hand the door handle 3 and at the same time the Hollow body 4 compressed. By deforming the Hollow body 4 reduces its internal volume, whereby an overpressure arises in this volume. This Overpressure is via the connecting hose 5 in the Printing cylinder 6 forwarded and exerts a compressive force there on the pressure piston 7.
  • the pressure piston 7 is thereby together with the locking bolt firmly connected to it 12, along its axis against the force of Spring 20 moved away from the pivot bolt 15.
  • the locking bolt 12 thereby releases the locking groove 17, whereby the pivot bolt 15 does not rotate is more restricted.
  • the still lasting power of Hand on the door handle 3 now opens the door 2, which Counterpart 21 rotates the pivot bolt 15 so far that the Rotating roller 14 snaps into the locking groove 18 and Swivel lock 15 locked in this new position, which corresponds to the open door.
  • the door can be opened as with conventional ones Door locks familiar, easily closed again as a result that they are simply pulled against the door frame part 1 respectively is pressed.
  • the counterpart 21 in the door frame part 1 detects the rotating roller 19 of the pivot bolt 15 and turns it back to its original position. A slight resistance of the rotating roller 14 must be overcome at the beginning of the rotation from the locking groove 18 is turned away.
  • the spring 20 pushes the Locking bolt 12 back into the locking groove 17 of the pivot bolt 15, with which the door 2 is closed again is.
  • FIG. 1 This contain here a spring block 27 with its one End is embedded in door 2 and with his other End in front of an additional protruding cam 26 of the locking bolt 12 is located.
  • the spring block 27 contains another, pre-stressed and in one easily melting plastic cast spring 31, the is in particular stronger than the spring 20 to which it is in is essentially opposite in parallel. With big Heat melts the plastic of the spring block 27, causing the spring 31 on the cam 26 of the locking bolt lying in front of it 12 presses. This will lock the bolt 12 against the force of the first spring 20 from Swivel bolt 15 pushed away, whereby the swivel bolt 15 is released. This ensures that Door 2 in the event of a fire in the building, even after one partial or complete destruction of the pneumatic system, remains closed.
  • This Fire safety devices are for normal functioning of the castle irrelevant and can also be omitted become.
  • FIG. 2 is the schematic cross section through a second Embodiment of the pneumatic door lock reproduced. It differs from that described in FIG. 1 Embodiment mainly in that it is a Contains power transmission.
  • the piston rod 8 has at one end a vertical axis rotatable joint 9. About this Joint 9, the piston rod 8 is non-positively with the one end of a transmission rod 11 connected to an equally vertical one, firmly connected to the door Guide axis 10 is pivotally mounted. With her other At the end, the transmission rod 11 engages in a recess 13 of the horizontally movable, guided locking bolt 12 a.
  • a tensioned spring 29 replaces the under Fig. 1 described spring 20.
  • FIG. 3 schematically shows an embodiment of the pneumatic means and connections according to the invention, which allow a door with the lock 2 Can be opened not only from one but from both sides and from at least one side with the help of known ones mechanical means to lock in at least one way.
  • a door handle 3 On each side of the door 2 is a door handle 3 with each a hollow body 4 and a connecting tube 5 attached.
  • a connector 24 with four connections is connected to these two connecting hoses 5. His third connection is with further connecting hoses 22 serial first with a locking valve 25 and finally connected to the actuator 30.
  • the fourth Connection of the connector 24 is via another Connection hose 22 with a vacuum valve 23 connected.
  • an additional quick-closing valve 28 installed in one of the connecting hoses 22, for example between connector 24 and locking valve 25.
  • the quick closing valve 28 can preferably can only be operated from the inside of door 2. In order to the pneumatic connection between Actuator 30 and hollow body 4 interrupted one more time, with which the door 2 from the other side, even with matching key, can no longer be opened.

Landscapes

  • Lock And Its Accessories (AREA)
  • Special Wing (AREA)

Claims (9)

  1. Serrure pour portes, fenêtres ou dispositifs à fonction similaire (2), formé d'un mécanisme de fermeture (6-20) apte à être relié fermement au dispositif (2), et d'un élément antagoniste (21) qui est relié fermement à la partie de châssis associée (1), étant précisé qu'en position montée et en position fermée, une liaison par force existe entre le mécanisme de fermeture (6-20) et l'élément antagoniste (21), qu'en position montée, une poignée (3) est prévue au moins sur un côté de la porte, de la fenêtre ou du dispositif à fonction similaire (2) et est reliée fermement à ce dispositif (2), qu'un corps creux (4) étanche à l'air, apte à être comprimé manuellement et à être ainsi réduit en volume intérieur est prévu et est apte à être relié à la poignée (3), et permet de produire manuellement une surpression, que le mécanisme de fermeture (6-20) comporte un actionneur (30) pour transformer une surpression en mouvement mécanique d'éléments (12, 15) dudit mécanisme de fermeture (6-20), lequel actionneur (30) est relié au corps creux (4) grâce à au moins un tuyau de liaison (5), et enfin qu'en position montée, ce mouvement d'éléments (12, 15) du mécanisme de fermeture (6-20) permet de supprimer la liaison par force entre le mécanisme de fermeture (6-20) et l'élément antagoniste (21), moyennant quoi on peut ouvrir la porte, la fenêtre ou le dispositif à fonction similaire, caractérisée en ce que
    pour ré-alimenter en air le système pneumatique, il est prévu des moyens (23) qui peuvent devenir actifs après chaque actionnement du corps creux compressible (4),
    le mécanisme de fermeture (6-20) comporte une tige de verrouillage (12),
    la tige de verrouillage (12) est reliée par force à un élément mobile (8) de l'actionneur (30),
    le mécanisme de fermeture (6-20) comporte un verrou pivotant (15) monté pour pouvoir tourner suivant une certaine plage angulaire,
    le verrou pivotant (15), en position montée et quand la porte, la fenêtre ou le dispositif à fonction similaire (2) est fermé, est en contact par force avec l'élément antagoniste (21),
    le verrou pivotant (15) présente une rainure de verrouillage (17) et une rainure d'arrêt (18),
    l'élément antagoniste (21), en position montée et quand la porte, la fenêtre ou le dispositif à fonction similaire (2) s'ouvre, reçoit la partie du verrou pivotant (15) qui dépasse de la serrure, et fait tourner cette partie de telle sorte que la rainure d'arrêt (18) vient se placer devant une extrémité de la tige de verrouillage (12),
    l'élément antagoniste (21), en position montée et quand la porte, la fenêtre ou le dispositif à fonction similaire (2) se ferme, reçoit à nouveau la partie du verrou pivotant (15) qui dépasse de la serrure, et fait tourner cette partie de telle sorte que la rainure de verrouillage (17) vient se placer devant la tige de verrouillage (12),
    il est prévu un ressort (20, 29) qui, en position montée, est en contact par force avec la tige de verrouillage (12) et la porte, la fenêtre ou le dispositif à fonction similaire (2),
    le ressort (20, 29), en position montée et quand la porte, la fenêtre ou le dispositif à fonction similaire (2) est fermé, pousse la tige de verrouillage (12) dans la rainure de verrouillage (17) et immobilise ainsi par force le verrou pivotant (15) dans cette position,
    le ressort (20, 29), en position montée et quand la porte, la fenêtre ou le dispositif à fonction similaire (2) est ouvert, pousse la tige de verrouillage (12) dans la rainure d'arrêt (18) et bloque ainsi le verrou pivotant (15) dans cette position avec une force facile à surmonter,
    une extrémité de la tige de verrouillage (12) comporte des moyens (14) pour réduire la résistance à la friction,
    le verrou pivotant (15), sur sa partie dirigée vers l'élément antagoniste (21), présente des moyens (19) pour réduire la résistance à la friction.
  2. Serrure selon la revendication 1, caractérisée en ce que le corps creux (4) contient un élastomère.
  3. Serrure selon la revendication 1, caractérisée en ce que le corps creux (4) comporte des éléments étanches les uns par rapport aux autres et emboítés de manière télescopique.
  4. Serrure selon la revendication 1, caractérisée en ce que l'actionneur (30) comprend un cylindre de pression (6), un piston de pression (7) étanche à l'air et mobile dans le cylindre (6), et une tige de piston (8) également mobile et reliée au piston (7).
  5. Serrure selon la revendication 1, caractérisée en ce que l'actionneur (30) comporte un soufflet.
  6. Serrure selon la revendication 1, caractérisée en ce que
    il est prévu au moins une soupape (25, 28), qui est reliée hermétiquement en série, par des tuyaux (22), d'une part au(x) corps creux (4) et d'autre part à l'actionneur (30),
    sur un côté au moins de la porte, de la fenêtre ou du dispositif à fonction similaire (2), il est prévu pour chacune des soupapes (25, 28) des moyens mécaniques, qui sont reliés à la soupape correspondante (25, 28) et qui permettent d'ouvrir cette soupape (25, 28),
    chaque soupape (25, 28) ouverte interrompt la transmission de la surpression dans les tuyaux (22) jusqu'à l'actionneur (30).
  7. Serrure selon la revendication 1, caractérisée en ce que
    il est prévu entre l'actionneur (30) et la tige de verrouillage (12) une transmission de force mécanique (9, 10, 11, 13) qui comprend une articulation (9), un axe de guidage (10) solidaire de la porte, de la fenêtre ou du dispositif à fonction similaire, en position montée, et une tringle de transmission (11),
    la tige de verrouillage (12) comporte un creux (13),
    la tringle de transmission (11) est reliée de manière articulée, au niveau d'une extrémité, à un élément mobile (8) de l'actionneur (30) grâce à l'articulation (9),
    la tringle de transmission (11) est montée pour pouvoir tourner autour de l'axe de guidage (10) à l'intérieur d'une certaine plage angulaire,
    l'autre extrémité de la tringle de transmission (11) vient en prise dans le creux (13) de la tige de verrouillage (12).
  8. Serrure selon la revendication 1, caractérisée en ce que
    il est prévu des moyens de protection contre le feu (27, 31),
    les moyens de protection contre le feu (27, 31) sont reliés à des éléments du mécanisme de fermeture (6-20),
    les moyens de protection contre le feu (27, 31), en position montée, empêchent la serrure, en cas d'incendie, de relier par force la porte, la fenêtre ou le dispositif à fonction similaire (2) à la partie de châssis associée (2).
  9. Serrure selon la revendication 8, caractérisée en ce que
    les moyens de protection contre le feu (27, 31) comportent un bloc à ressort (27),
    le bloc à ressort (27) contient un ressort puissant qui est contraint,
    ce ressort est coulé dans un matériau qui fond facilement à une température élevée,
    la tige de verrouillage (12) comporte une saillie (26),
    le bloc à ressort (27) est monté dans la porte, la fenêtre ou le dispositif à fonction similaire (2) de telle sorte que le ressort exerce une force sur la saillie (26) une fois que le matériau a fondu,
    cette force est suffisante pour déplacer la tige de verrouillage (12) à l'encontre de la résistance du ressort (20, 29) de telle sorte qu'elle débloque le verrou pivotant (15).
EP96911901A 1995-09-20 1996-05-13 Serrure pneumatique pour porte Expired - Lifetime EP0792404B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH265495 1995-09-20
CH2654/95 1995-09-20
CH265495 1995-09-20
PCT/CH1996/000183 WO1997011246A1 (fr) 1995-09-20 1996-05-13 Serrure pneumatique pour porte

Publications (2)

Publication Number Publication Date
EP0792404A1 EP0792404A1 (fr) 1997-09-03
EP0792404B1 true EP0792404B1 (fr) 2001-07-04

Family

ID=4238611

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96911901A Expired - Lifetime EP0792404B1 (fr) 1995-09-20 1996-05-13 Serrure pneumatique pour porte

Country Status (6)

Country Link
US (1) US6106032A (fr)
EP (1) EP0792404B1 (fr)
JP (1) JPH10509488A (fr)
DE (1) DE59607217D1 (fr)
DK (1) DK0792404T3 (fr)
WO (1) WO1997011246A1 (fr)

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Publication number Publication date
JPH10509488A (ja) 1998-09-14
US6106032A (en) 2000-08-22
DE59607217D1 (de) 2001-08-09
EP0792404A1 (fr) 1997-09-03
WO1997011246A1 (fr) 1997-03-27
DK0792404T3 (da) 2001-09-24

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