EP0792404A1 - Serrure pneumatique pour porte - Google Patents

Serrure pneumatique pour porte

Info

Publication number
EP0792404A1
EP0792404A1 EP96911901A EP96911901A EP0792404A1 EP 0792404 A1 EP0792404 A1 EP 0792404A1 EP 96911901 A EP96911901 A EP 96911901A EP 96911901 A EP96911901 A EP 96911901A EP 0792404 A1 EP0792404 A1 EP 0792404A1
Authority
EP
European Patent Office
Prior art keywords
door
locking
bolt
spring
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.)
Granted
Application number
EP96911901A
Other languages
German (de)
English (en)
Other versions
EP0792404B1 (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

Links

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 actuated manually with the aid of pneumatic means, in accordance with the preamble of patent claim 1.
  • Fig. 1 Cross section of a first embodiment of the pneumatic door lock according to the invention.
  • Fig. 2 cross section of a second embodiment of the pneumatic door lock according to the invention.
  • Fig. 3 Scheme of the pneumatic connections of further embodiments of the pneumatic door lock.
  • FIG. 1 shows the schematic cross section through a first embodiment of the pneumatic door lock.
  • a door 2 In an immovable door frame, of which only the door frame part 1 adjacent to the lock has been drawn, a door 2 is fitted, which is pivotably mounted about a vertical axis (not shown).
  • Means for generating an overpressure are connected to the door 2.
  • These means consist of a door handle 3 firmly connected to the door 2, into which a hollow body 4 is fitted, which can be manually pressed together, thereby reducing its internal volume.
  • the hollow body 4 here consists of a rubber or plastic balloon. In the sense of the invention, however, it can also contain parts which are sealed against one another and telescopically fitted into one another.
  • the hollow body 4 is connected in an airtight manner to an actuator 30 via a connecting hose 5, which converts the excess pressure into a mechanical movement.
  • the actuator 30 consists of a pressure cylinder 6, a pressure piston 7 movable therein and a piston rod 8 firmly connected to it and guided essentially along a straight line.
  • the Actuator 30 is a bellows made of metal or an elastomer.
  • An elongated locking bolt 12 is firmly connected at one end to the piston rod 8 and can also be moved (with guides not shown) along the same straight line arranged.
  • the other end advantageously contains means with which frictional forces can be reduced.
  • These means consist here, for example, of a sprung rotating roller 14 corresponding to the prior art;
  • other friction-reducing agents are also possible, for example the use of specially low-friction and low-wear materials, or the use of sufficient lubricants between parts sliding on one another.
  • a pivot bolt 15 is rotatably mounted about a pivot axis 16 which is firmly connected to the door, within a pivot range m defined by stops, of the order of magnitude of approximately 45 °.
  • An outer part of the pivot bolt 15 protrudes from the lock against the turret part 1.
  • This outer part advantageously also contains means for reducing the frictional forces, which here consist of a further sprung rotating roller 19.
  • An inner part of the swivel bolt 15 lying on the other side of the swivel axis 16 contains two grooves: an interlocking groove 17 and an interlocking groove 18, into which the locking bolt 12 engages when the door 2 is in the closed or in the open position.
  • a first spring 20 is non-positively connected to the door 2 and the locking bolt 12 and ensures that the locking bolt 12 is pressed continuously against the pivot bolt 15 with the force of this spring 20.
  • the spring 20 is located inside the pressure cylinder 6 and is in frictional contact with the pressure cylinder 6 and with the pressure piston 7.
  • An opposing piece 21 is firmly connected to the turret part 1 and, when the door 2 is closed, offers the outer part of the Swivel lock 15 space in a not specifically designated recess.
  • the lock works in the following way: when the door 2 is closed, the outer part of the pivot bolt 15 lies non-positively in the recess of the counterpart 21.
  • the locking bolt 12 is pushed into the lock by the spring 20.
  • locking groove 17 of the pivot bolt 15 printed and fixed this, and thus the whole door 2, non-positively in this position.
  • the door handle 3 is gripped with a single hand and the hollow body 4 is simultaneously pressed together.
  • the deformation of the hollow body 4 reduces its internal volume, as a result of which overpressure arises in this volume. This overpressure is passed on to the pressure cylinder 6 via the connecting hose 5 m and exerts a compressive force there on the pressure piston 7.
  • the locking bolt 12 thereby releases the locking groove 17, whereby the pivot bolt 15 is no longer restricted in its rotational movement.
  • the still persistent force of the hand on the door handle 3 now opens the door 2, the counterpart 21 rotating the swivel bolt 15 so far that the rotating roller 14 snaps into the locking groove 18 and locks the swivel bolt 15 in this new position, which of the opened ones Door corresponds.
  • the door After opening, as is usual with conventional door locks, the door can easily be closed again by simply pulling or pushing it against the turret part 1.
  • the counterpart 21 in the turner frame part 1 grips the rotating roller 19 of the pivot bolt 15 and rotates it back to its starting position.
  • a slight resistance of the rotating roller 14 must be overcome, which is turned away from the locking groove 18 at the beginning of the rotation.
  • 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.
  • Fire protection means are shown in FIG. 1. These contain a spring block 27, which is embedded with one end in the door 2 and with its other end lies in front of an additional projecting cam 26 of the locking bolt 12.
  • the spring block 27 contains a further spring 31, which is prestressed under pressure and cast in a slightly melting plastic, which is in particular stronger than the spring 20, to which it lies essentially opposite in parallel.
  • the plastic of the spring block 27 melts when the heat is high, as a result of which the spring 31 presses on the cam 26 of the locking bolt 12 lying in front of it.
  • the locking bolt 12 is pushed away from the pivot bolt 15 against the force of the first spring 20, as a result of which the pivot bolt 15 is released. This ensures that the door 2 does not remain closed in the event of a fire in the building, even after partial or complete destruction of the pneumatic system due to heat.
  • These fire safety devices are irrelevant to the normal functioning of the lock and can also be omitted.
  • FIG. 2 shows the schematic cross section through a second embodiment of the pneumatic door lock. It differs from the embodiment described in FIG. 1 mainly in that it contains a power transmission.
  • the piston rod 8 has a joint 9 which can be rotated about a vertical axis. Via this joint 9, the piston rod 8 is non-positively connected to one end of the transmission rod 11, which is pivotably mounted about a vertical guide axis 10, which is also firmly connected to the door. With its other end, the transmission rod 11 engages in a recess 13 of the horizontally movable, guided locking bolt 12.
  • a tensioned spring 29 replaces the spring 20 described in FIG. 1. It is connected on the one hand to one end of the locking bolt 12 and on the other hand and to the door 2.
  • the remaining parts and the function of the lock correspond to the device already described in FIG. 1, but with the main difference that the movement of parts of the actuator 30, here also for example the piston rod 8, via the joint 9 first the transmission rod 11 through an angle m of the order of about 20 ° around the guide axis 10 rotates. Its other end, which engages in the recess 13 of the locking bolt 12, pushes the locking bolt 12 against the resistance of the spring 29 away from the pivot bolt 15, thereby releasing it.
  • the specified directions of individual parts of the closing mechanism (6-20) in space are not essential to the invention. They can be chosen freely from a practical point of view. For example, the guide axis 10 can also be horizontal. The fire protection shown in FIG. 1 and explained in the description of this figure was not shown in FIG. 2.
  • FIG. 3 schematically shows an embodiment of the pneumatic means and connections according to the invention, which allow a door 2 provided with the lock to be opened not only from one but from both sides and from at least one side with the aid of known mechanical means Also lock funds in at least one way.
  • a door handle 3 On each side of the door 2 there is a door handle 3, each with a hollow body 4 and a connecting hose 5.
  • a connector 24 with four connections is connected to these two connecting hoses 5.
  • the third connection is connected in series with further connecting hoses 22, first with a locking valve 25 and finally with the actuator 30.
  • the fourth connection of the connecting piece 24 is connected to a vacuum valve 23 via a further connecting hose 22.
  • Mechanical means are present on at least one side of the door 2 and are connected to the locking valve 25, with which the locking valve 25 can be opened.
  • These mechanical means include, for example, a commercially available locking cylinder installed in the door 2. If the key belonging to the locking cylinder is turned, the locking valve 25 opens and discharges the air, so that the pressure cylinder 6 cannot be activated.
  • the vacuum valve 23 is used to ventilate the pneumatic system again after the lock has been operated.
  • the mechanical means for locking the lock and the locking valve 25 are dispensed with; the third connection of the connector 24 is thereby connected directly to the actuator 30.
  • an additional quick-release valve 28 is installed in one of the connecting hoses 22, for example between the connecting piece 24 and the locking valve 25.
  • the quick-closing valve 28 can preferably only be operated from the inside of the door 2.
  • the pneumatic connection between actuator 30 and hollow body 4 is interrupted again, so that the door 2 can no longer be opened from the other side, even with a suitable key.

Landscapes

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

Abstract

L'invention concerne une serrure pour portes ou autres structures à fonctions similaires, dont le mécanisme est actionné manuellement à l'aide d'éléments pneumatiques, sans requérir d'apport d'énergie extérieure. Des éléments (4) destinés à produire manuellement une surpression sont solidarisés avec une porte (2). Il est en outre prévu des éléments (30) servant à convertir la surpression en un mouvement mécanique de pièces (12, 15) du mécanisme de fermeture (6 à 20), de manière qu'il ne subsiste plus d'assemblage par liaison de force entre la porte (2) et une pièce servant de pendant (21) dans le dormant (1) de la porte, et que ladite porte (2) puisse être ouverte.
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 true EP0792404A1 (fr) 1997-09-03
EP0792404B1 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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DE19755843A1 (de) * 1997-12-15 1999-06-24 Bosch Gmbh Robert Betätigungseinrichtung für ein Elektroschloß einer Kraftfahrzeugtüre
DE19922657A1 (de) * 1999-05-18 2000-11-30 Huf Huelsbeck & Fuerst Gmbh Vorrichtung zum Wirksamsetzen einer Öffnungshilfe für verschließbare Teile an Fahrzeugen, wie Klappen, Türen o. dgl.
DE19961360A1 (de) * 1999-12-17 2001-07-05 Bosch Gmbh Robert Türaußengriffanordnung für eine Kraftfahrzeugtür
US6546770B1 (en) * 2000-08-30 2003-04-15 Danhong Lock assembly
EP1212973B1 (fr) * 2000-12-01 2007-07-04 emz-Hanauer GmbH & Co. KGaA Verrou de porte
US6866226B2 (en) * 2001-10-04 2005-03-15 Hartwell Corporation Pressure responsive blowout latch
EP1438473B1 (fr) * 2001-10-04 2012-12-05 The Hartwell Corporation Pene dormant sensible a la pression
ATE451521T1 (de) * 2002-09-06 2009-12-15 Hawa Ag Vorrichtung zur verriegelung eines trennelements
JP2005171615A (ja) * 2003-12-11 2005-06-30 Animekkusu:Kk 施錠装置
US8146961B2 (en) * 2008-07-08 2012-04-03 Von Duprin, Inc. Exit device
SG177376A1 (en) * 2009-06-26 2012-02-28 Cubic Corp Floating j-hooks between two bushings in housing with a single piston
JP5371815B2 (ja) * 2010-02-02 2013-12-18 株式会社Ｎｔｔファシリティーズ 扉の解錠装置
IT1399631B1 (it) * 2010-04-21 2013-04-26 Elettrotecnica Rold Srl Dispositivo di chiusura "push-pull"
US9580944B2 (en) 2011-08-23 2017-02-28 Schlage Lock Company Llc Exit device assembly
DE102012006357A1 (de) * 2012-03-29 2013-10-02 Airbus Operations Gmbh Pneumatisch gesteuertes Verriegelungssystem für die Cockpit-Tür eines Flugzeugs
DE102012017846B4 (de) * 2012-09-08 2016-02-25 Gantner Electronic Gmbh Hydraulischer und pneumatischer Verriegelungsmechanismus für Schrankschlösser
US10047545B2 (en) 2014-08-28 2018-08-14 Glenn Ford Door security and closing device
US9855883B2 (en) * 2014-12-30 2018-01-02 Wastequip, Llc Pneumatic systems and devices for securing a container to a vehicle chassis
GR1008852B (el) * 2015-03-09 2016-09-16 Αθανασιος Παυλου Λεονταριδης Εξωτερικο κλειθρο δυο πειρων για συρομενα φυλλα θυρων ή παραθυρων, με διαταξη κλειδιου ασφαλισης σε θεση κλειδωματος
US20160348411A1 (en) * 2015-06-01 2016-12-01 Wan Lai Liau Casement latch with fix position
KR101808547B1 (ko) * 2015-06-26 2017-12-13 주식회사 우보테크 도어 래치 시스템
US10559146B2 (en) 2017-12-12 2020-02-11 Saudi Arabian Oil Company Role-based locking system for plants unattended premises
US11341830B2 (en) 2020-08-06 2022-05-24 Saudi Arabian Oil Company Infrastructure construction digital integrated twin (ICDIT)
US11687053B2 (en) 2021-03-08 2023-06-27 Saudi Arabian Oil Company Intelligent safety motor control center (ISMCC)
US12024985B2 (en) 2022-03-24 2024-07-02 Saudi Arabian Oil Company Selective inflow control device, system, and method

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Also Published As

Publication number Publication date
JPH10509488A (ja) 1998-09-14
DE59607217D1 (de) 2001-08-09
US6106032A (en) 2000-08-22
DK0792404T3 (da) 2001-09-24
EP0792404B1 (fr) 2001-07-04
WO1997011246A1 (fr) 1997-03-27

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