EP0740735B1 - Systeme de fermeture de portes - Google Patents

Systeme de fermeture de portes Download PDF

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Publication number
EP0740735B1
EP0740735B1 EP95905610A EP95905610A EP0740735B1 EP 0740735 B1 EP0740735 B1 EP 0740735B1 EP 95905610 A EP95905610 A EP 95905610A EP 95905610 A EP95905610 A EP 95905610A EP 0740735 B1 EP0740735 B1 EP 0740735B1
Authority
EP
European Patent Office
Prior art keywords
door closer
piston
plastics material
door
pinion
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
EP95905610A
Other languages
German (de)
English (en)
Other versions
EP0740735A1 (fr
Inventor
Gerhard SCHRÖDER
Dieter Mauckner
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.)
Gretsch Unitas GmbH
Gretsch Unitas GmbH Baubeschlaege
Original Assignee
Gretsch Unitas GmbH
Gretsch Unitas GmbH Baubeschlaege
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
Priority claimed from DE9413039U external-priority patent/DE9413039U1/de
Application filed by Gretsch Unitas GmbH, Gretsch Unitas GmbH Baubeschlaege filed Critical Gretsch Unitas GmbH
Publication of EP0740735A1 publication Critical patent/EP0740735A1/fr
Application granted granted Critical
Publication of EP0740735B1 publication Critical patent/EP0740735B1/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
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
    • E05F3/102—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction with rack-and-pinion transmission between driving shaft and piston within the closer housing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
    • E05F3/104—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction with cam-and-slide transmission between driving shaft and piston within the closer housing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/26—Form or shape
    • E05Y2800/29—Form or shape forming a unitary piece with another element
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/45—Manufacturing
    • E05Y2800/46—Injection moulding
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors

Definitions

  • the invention relates to a door closer according to the preamble of claim 1.
  • the closing pistons are the damping pistons as well as the interacting parts of the locking mechanism made of metal, preferably steel.
  • metal preferably steel.
  • closing and damping pistons on their guide surfaces provided with friction-reducing plastic pads.
  • Hydraulically damped door closers are used for synthetic resin pads on the piston also to seal the between the housing inner wall and the piston peripheral surface remaining gap.
  • a generic door closer is known from US-A-4,019,220, on which the pinion of the locking gear with counter teeth in the form of a one-piece rack that combs in a recess one with the closing and the damping piston provided base body is fitted.
  • the dimensions the recess and the rack are matched to one another in such a way that the latter in particular in the direction of the line of action of the transferring closing force with a little play positively becomes.
  • the known Door closer of a rack with relatively large dimensions especially with a relatively large width.
  • Zannstangen the tooth gaps over a long distance must be cleared in the direction of the rack width
  • Manufacturing the racks is complex.
  • a great manufacturing effort in the case of the previously known door closers requires that the recess of the piston body and the rack to achieve the desired support in terms of their Dimensions must be coordinated exactly.
  • the invention is based on the object of a door closer to create that with a low manufacturing and can produce economic effort.
  • this object is achieved according to the invention by its characterizing features.
  • the injection mold for the damping piston, closing piston and The existing unit can be inserted into the counter-toothing Injection molded parts easily with plastic.
  • Using corresponding, easily editable plastics also requires the machining of damping pistons following the injection molding process and locking piston a leek effort. can also be influenced by the choice of the plastic used is the strength and thus the load bearing capacity of the above Door closer elements. Because of the relatively small specific weight of the piston plastics results for the door closer according to the invention also has an extremely low weight.
  • plastic-appropriate shaping of damping pistons and closing pistons in particular on their peripheral surfaces Recesses and / or depressions are provided. This opens up the possibility of door closers Minimizing the use of materials and thus reducing the Manufacturing costs and the resulting device weight.
  • Door closer exists at least part of the closer shaft and / or the pinion made of plastic. This measure allows the manufacture of door closers associated manufacturing and economic effort diminish even further. The resulting door closer dead weight is minimized.
  • Door closer is characterized in that the pinion is parallel to the level of its movement is divided and at least part of the pinion made of metal and at least part of plastic.
  • the metal part or the metal ones Parts of the pinion can be stamped parts with little Effort.
  • the stamped part in question can be inserted as well as the Overmold the stamping parts of the counter toothing with plastic without any problems.
  • an inventive Door closer the pinion and / or the counter toothing has three parts, both sides of a part made of plastic each made of metal or in the case of the pinion a plastic part on both sides of a metal part is arranged.
  • the metal Part of the pinion has a relatively large overall width.
  • the counter toothing it is also in the case of the pinion for manufacturing reasons expedient, the total width of metal required on two strips to be distributed with half the total metal width. This also makes punching out the metal pinion parts essential facilitated.
  • pinion is preferred, where on both sides of a part made of metal Part made of plastic is arranged.
  • damping piston and the closing piston and the part of the counter toothing made of plastic and possibly the part of the pinion made of plastic and the closer shaft are each made in one piece. All plastic parts on the pinion and closer shaft existing unit on the one hand and on the counter teeth on the other hand, in this case as well as the damping and the locking piston can be manufactured together in one operation.
  • the operation of the door closer between the door leaf and the The force acting on the door frame is transferred via the closer shaft and transfer the pinion and the counter toothing assigned to it. Accordingly, the normally open shaft when the Door closer a strong, especially twisting load exposed. For this reason, it is recommended to use the closer shaft with a metal, especially torsionally rigid shaft core to be provided on which the pinion sits positively against rotation.
  • the metal shaft core of the closer shaft can be made of a plastic coating be surrounded.
  • a particularly resilient positive connection between the The closer shaft and the pinion on it result, if he shaft core of the closer shaft has a hexagon cross section having.
  • Door closer Due to the existing strength and / or elastic properties is a plastic for the components in question Door closer according to the invention preferably polyamide and / or polyphenylene sulfide and / or Kevlar provided.
  • Door closers for transferring large closing forces The plastic is between the door leaf and the door frame area reinforced with mineral fibers and / or glass fibers. This Measure can be additional or alternative to using metal Stiffeners are provided.
  • the door closer 1 shows a hydraulically damped door closer 1, as it appears when the door is closed.
  • the door closer 1 has a door closer housing 2, in a piston-toothing unit 3 with a closing piston 13, a damping piston 14 and counter teeth in the form of a Piston toothing 4 is guided.
  • On the door closer housing 2 is rotatably mounted a pinion 5, the one with the piston teeth 4 meshing and designed as a ring gear Pinion teeth 6 has.
  • the door closer 1 is fixed to a door leaf, not shown appropriate.
  • the pinion 5 When opening the door, the pinion 5 is in a via the linkage Counterclockwise rotation offset.
  • the pinion moves 5 by means of its ring gear 6, the piston-gear unit 3 in the illustration to the right against the force of one the door closer housing 2 one-sided supporting closer spring 8.
  • the closing piston displaces 13 hydraulic fluid present in a housing space 9 of the door closer housing 2. Part of the displaced hydraulic fluid flows through one of the closing piston 13 and the damping piston 14 penetrating channel 10 to a check valve 11, that in the end face of the damping piston facing away from the closer spring 8 14 is arranged.
  • the hydraulic fluid present in the housing space 9 a relatively large outflow cross-section when the door is opened is available, namely both the outflow cross section the channels, not shown, as well as the outflow cross section of the channel 10, the opening of the door is only one low hydraulic counterforce opposed.
  • the door is essentially the counterforce the closer spring 8 by the moving piston-gear unit 3 is compressed.
  • FIG. 2 shows a piston-toothing unit made of plastic 3a, which at its ends by a locking piston 13a, and a damping piston 14a is limited. Between the locking piston 13a and the damping piston 14a is a counter toothing Piston teeth 4a arranged in composite construction.
  • the piston teeth 4a comprises two parts running parallel to each other metal racks 15, 16 and one running between them Toothed strips 17 made of plastic.
  • On a peripheral surface 18 has the piston-gear unit 3a for reasons of material savings and / or recesses provided for weight reduction 19 on.
  • a circumferential groove 20 on the damping piston 14a serves to receive a sealing ring, not shown, by means of which between the damping piston 14a and the inner wall of the door closer housing remaining gap sealed and thereby an undefined outflow of hydraulic fluid avoided when moving the piston-gear unit 3a becomes.
  • the in Figs. 3 and 4 rack 15 shown in detail is as well as with this identical rack 16 as Stamped part made.
  • a material for the metal racks 15, 16 a refined and hardened steel is used.
  • the racks 15, 16 in the injection mold for the piston-toothing unit 3a inserted and on legs 21, 22 and molded on a connecting web 23 with plastic.
  • a further stiffening of the piston teeth 4a can be achieved with the help of racks, whose in the Plastic embedded legs by means of two parallel to each other extending webs are connected, between which the relevant pinion rolls.
  • a check valve 11a has one made of plastic manufactured sealing body 27 with a sealing seat 28 an end face of the damping piston 14a cooperates.
  • the frustoconical Sealing body 27 by means of three elastic plastic arms 29 held inside a plastic locking ring 30.
  • the locking ring 30 can with corresponding counter-locking on the associated End face of the damping piston 14a be locked.
  • the sealing body is then in the installed position 27 arranged immediately adjacent to the sealing seat 28, so that it immediately reverses the piston-gear unit 3a in the closing direction can come to rest on the sealing seat 28.
  • a pinion 5a which consists of two Plastic parts 31, 32 and one between them arranged metal part 33 has.
  • the pinion teeth 6a is designed as a ring gear.
  • the pinion 5a is form-fitting rotatably on a metal shaft core 34 of a closer shaft 40a on.
  • the shaft core 34 has a hexagonal cross section. On the face side, it has receiving bores with internal threads 35, 36 on, in the screws for fastening the boom screwed in for power transmission between the door leaf and door frame can be. It is largely on its outer circumference provided with a plastic coating.
  • the plastic jacket is in one piece with the plastic parts of the pinion to the molded metal parts of closer shaft 40a and pinion 5a.
  • Pinion 5b differs from pinion 5a of FIGS. 7 and 8 only in that on both sides of a part 37 Plastic metal parts 38, 39 are arranged.
  • the piston-gear unit 3a according to FIG. 2 are also the metal ones Parts 33, 38, 39 of the in Figs. 7 to 10 shown pinion 5a, 5b as stamped parts made of refined and hardened steel.
  • the metal parts of the pinions 5a, 5b are used in the manufacture together with the metal core of the closer shaft in the Injection molds inserted and overmolded with plastic.

Landscapes

  • Fluid-Damping Devices (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Claims (13)

  1. Ferme-porte, avec un piston de fermeture (13, 13a) guidé dans un boítier de ferme-porte (2) et pouvant, au moyen d'une transmission de fermeture, coulisser à l'encontre d'une force de rappel lors de l'ouverture du battant de porte associé, ainsi qu'avec un piston d'amortissement (14, 14a, 14b) en matière plastique, déplacé dans le même sens que le piston de fermeture (13, 13a) dans le boítier de ferme-porte (2), la transmission de fermeture présentant un arbre de ferme-porte (40, 40a, 40b) rotatif et relié à un dispositif d'actionnement disposé entre le battant de porte et la région dormante du châssis de porte et destiné à la transmission de force entre le battant de porte et ladite région du châssis de porte, ainsi qu'un pignon (5, 5a, 5b) qui est assemblé en solidarité de rotation à cet arbre et qui engrène, sur sa denture (6, 6a, 6b), avec une denture complémentaire (4, 4a, 4b) par l'intermédiaire de laquelle le piston d'amortissement (14, 14a, 14b) et le piston de fermeture (13, 13a) sont mutuellement reliés, caractérisé en ce que la denture complémentaire (4, 4a, 4b) est divisée dans la direction de son déplacement, et au moins une partie (15, 16, 24) de la denture complémentaire (4, 4a, 4b) est réalisée en métal, et au moins une partie (17, 25, 26) en matière plastique.
  2. Ferme-porte selon la revendication 1, caractérisé en ce que le piston de fermeture (13, 13a) est réalisé en matière plastique.
  3. Ferme-porte selon la revendication 1 ou 2, caractérisé en ce qu'au moins une partie de l'arbre de ferme-porte (40, 40a, 40b) et/ou du pignon (5, 5a, 5b) est réalisée en matière plastique.
  4. Ferme-porte selon la revendication 3, caractérisé en ce que le pignon (5, 5a, 5b) est divisé parallèlement au plan de son déplacement, et au moins une partie (33, 38, 39) du pignon (5, 5a, 5b) est réalisée en métal, et au moins une partie (31, 32, 37) en matière plastique.
  5. Ferme-porte selon la revendication 4, caractérisé en ce que le pignon (5, 5a, 5b) et/ou la denture complémentaire (4, 4a, 4b) présente trois parties, une partie respective (15, 16; 38, 39) en métal étant disposée de part et d'autre d'une partie (17; 37) en matière plastique, ou bien une partie respective (25, 26 ; 31, 32) en matière plastique étant disposée de part et d'autre d'une partie (24 ; 33) en métal.
  6. Ferme-porte selon une des revendications 2 à 5, caractérisé en ce que le piston d'amortissement (14, 14a, 14b), et le cas échéant le piston de fermeture (13, 13a) en matière plastique, et la partie en matière plastique de la denture complémentaire (4, 4a, 4b), ainsi que, le cas échéant, la partie en matière plastique du pignon (5, 5a, 5b) et de l'arbre de ferme-porte (40, 40a, 40b), sont respectivement fabriqués d'une seule pièce.
  7. Ferme-porte selon une des revendications 1 à 6, caractérisé en ce que l'arbre de ferme-porte (40, 40a, 40b) présente un corps d'arbre métallique (34), sur lequel le pignon (5, 5a, 5b) est monté en solidarité de rotation par engagement positif.
  8. Ferme-porte selon la revendication 7, caractérisé en ce que le corps d'arbre métallique (34) de l'arbre de ferme-porte (40, 40a, 40b) présente une section hexagonale.
  9. Ferme-porte selon une des revendications 1 à 8, le piston d'amortissement (14, 14a, 14b) refoulant, lors de son déplacement dans la direction de fermeture, un liquide d'amortissement présent devant la face frontale antérieure en direction de fermeture, caractérisé en ce qu'au moins une rainure (20) destinée à recevoir un élément d'étanchéité périphérique est prévue au moins sur la face périphérique du piston d'amortissement (14, 14a, 14b).
  10. Ferme-porte selon la revendication 9, les chambres de boítier (9, 12) du boítier de ferme-porte (2) qui sont délimitées par les faces frontales antérieures, dans la direction de déplacement, du piston d'amortissement (14, 14a, 14b) et du piston de fermeture (13, 13a) étant reliées hydrauliquement entre elles par l'intermédiaire d'une soupape d'isolement (11, 11a) pour le liquide d'amortissement qui est prévue sur le piston d'amortissement (14, 14a, 14b) et interdit le passage lors du mouvement de fermeture de ce piston, caractérisé en ce que la soupape d'isolement (11, 11a) présente un corps d'étanchéité (27) réalisé en matière plastique, qui est maintenu élastiquement sur le piston d'amortissement (14, 14a, 14b) dans la direction d'écoulement du liquide d'amortissement.
  11. Ferme-porte selon la revendication 10, caractérisé en ce que le corps d'étanchéité (27) est maintenu sur le piston d'amortissement (14, 14a, 14b) au moyen d'au moins un bras (29) en matière plastique.
  12. Ferme-porte selon une des revendications 1 à 11, caractérisé en ce que du polyamide et/ou du polyphénylène sulfure et/ou du Kevlar est prévu comme matière plastique.
  13. Ferme-porte selon une des revendications 1 à 12, caractérisé en ce que la matière plastique est renforcée au moyen de fibres minérales et/ou au moyen de fibres de verre.
EP95905610A 1994-01-19 1994-12-29 Systeme de fermeture de portes Expired - Lifetime EP0740735B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE9400827U 1994-01-19
DE9400827 1994-01-19
DE9413039U 1994-08-12
DE9413039U DE9413039U1 (de) 1994-01-19 1994-08-12 Türschließer
PCT/EP1994/004344 WO1995020090A1 (fr) 1994-01-19 1994-12-29 Systeme de fermeture de portes

Publications (2)

Publication Number Publication Date
EP0740735A1 EP0740735A1 (fr) 1996-11-06
EP0740735B1 true EP0740735B1 (fr) 1998-05-20

Family

ID=25961648

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95905610A Expired - Lifetime EP0740735B1 (fr) 1994-01-19 1994-12-29 Systeme de fermeture de portes

Country Status (3)

Country Link
EP (1) EP0740735B1 (fr)
ES (1) ES2119384T3 (fr)
WO (1) WO1995020090A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1288419A2 (fr) 2001-08-31 2003-03-05 GEZE GmbH Méthode de fabrication d'une denture d'entraínement et ferme-porte avec éléments fabriqués selon cette méthode
DE10259237A1 (de) * 2002-12-17 2004-07-15 Geze Gmbh Antrieb für einen Flügel einer Tür oder eines Fensters

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1482118B1 (fr) * 2003-05-27 2010-03-10 GEZE GmbH Entraînement pour un battant articulé ou basculant
EP1705329A1 (fr) * 2005-03-24 2006-09-27 GEZE GmbH Entraînement pour un panneau de porte ou de fenêtre
DE102010003384B4 (de) * 2010-03-29 2016-12-01 Geze Gmbh Verfahren zur Herstellung eines Kolbens eines Türantriebs
DE102013112379A1 (de) * 2013-11-11 2015-05-13 Dorma Deutschland Gmbh Universal Energiespeicher
DE102014101431B4 (de) * 2014-02-05 2024-06-27 Eco Schulte Gmbh & Co. Kg Türschließer mit Dämpfungskolben

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019220A (en) * 1976-01-13 1977-04-26 Reading Door Closer Corporation Piston assembly for door closer
US4097956A (en) * 1976-04-02 1978-07-04 Ryobi, Ltd. Hydraulic door operator with overtravel restraint
FR2508089A1 (fr) * 1981-06-23 1982-12-24 Paumellerie Electrique Ferme-porte automatique a moyens de freinage incorpores
JPS6319434A (ja) * 1986-07-10 1988-01-27 Nifco Inc 伸縮式オイルダンパ−

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1288419A2 (fr) 2001-08-31 2003-03-05 GEZE GmbH Méthode de fabrication d'une denture d'entraínement et ferme-porte avec éléments fabriqués selon cette méthode
DE10142756C1 (de) * 2001-08-31 2003-05-28 Geze Gmbh Verfahren zur Herstellung einer Verzahnung für ein Getriebe und ein Türschließer mit nach dem Verfahren hergestellten Teilen
DE10259237A1 (de) * 2002-12-17 2004-07-15 Geze Gmbh Antrieb für einen Flügel einer Tür oder eines Fensters
DE10259237B4 (de) * 2002-12-17 2006-02-09 Geze Gmbh Antrieb für einen Flügel einer Tür oder eines Fensters

Also Published As

Publication number Publication date
WO1995020090A1 (fr) 1995-07-27
ES2119384T3 (es) 1998-10-01
EP0740735A1 (fr) 1996-11-06

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