WO1997028341A1 - Systeme de fermeture de porte par le haut - Google Patents

Systeme de fermeture de porte par le haut Download PDF

Info

Publication number
WO1997028341A1
WO1997028341A1 PCT/DE1997/000122 DE9700122W WO9728341A1 WO 1997028341 A1 WO1997028341 A1 WO 1997028341A1 DE 9700122 W DE9700122 W DE 9700122W WO 9728341 A1 WO9728341 A1 WO 9728341A1
Authority
WO
WIPO (PCT)
Prior art keywords
piston
overhead door
door closer
closer according
support member
Prior art date
Application number
PCT/DE1997/000122
Other languages
German (de)
English (en)
Inventor
Dietrich Jentsch
Original Assignee
Dorma Gmbh + 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 Dorma Gmbh + Co. Kg filed Critical Dorma Gmbh + Co. Kg
Priority to DE59703586T priority Critical patent/DE59703586D1/de
Priority to AT97914081T priority patent/ATE201477T1/de
Priority to EP97914081A priority patent/EP0830491B1/fr
Publication of WO1997028341A1 publication Critical patent/WO1997028341A1/fr
Priority to US08/938,223 priority patent/US5901412A/en

Links

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
    • E05F3/104—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
    • 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
    • E05F3/22—Additional arrangements for closers, e.g. for holding the wing in opened or other position
    • E05F3/227—Additional arrangements for closers, e.g. for holding the wing in opened or other position mounted at the top of wings, e.g. details related to closer housings, covers, end caps or rails therefor
    • 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 an overhead door closer according to the preamble of claim 1, in which the damping piston and the spring support member are made from a common part.
  • a cam disc is placed between two rollers, which in turn is mounted inside the door closer and the emerging one
  • the closing shaft is connected to an actuating arm, the other end of which cooperates with a slide piece of a slide rail
  • An overhead door closer with a slide rail rod can be found in DE 40 38 720 C2.
  • This slide rail door closer is suitable for all types of installation, ie right / left hinging on the hinge side or the counter hinge side, both in normal assembly on the door leaf and in the head assembly on the door frame uses a cam disc, the two cam tracks are symmetrical
  • the symmetrical cam tracks achieve the same torque distribution in both directions of rotation.
  • the cam disc is attached to a closer shaft, which is mounted on the one hand in the lower part of the housing and is held in the other direction by a cover provided with a bearing Stroke cam with a roller that is inserted in the damping piston on the one hand and on the other side in contact with a roller that is inserted in the spring support member.
  • the damping piston and spring support member can perform independent movements of one another Compression spring and the spring support member acted upon by the compression spring of the spring accumulator in such a way that the two aforementioned rollers come to rest on the inside of the cam disc.
  • a non-return and pressure relief valve is present within the damping piston
  • Another door closer is described in DE 40 41 824 C1, in which there is also a separate damping piston and a separate spring support member, each equipped with a roller and placed on the left and right in a housing so that the one on one side The cam disc located on the shaft is in engagement with these rollers
  • Both the damping piston and the spring support member are each subjected to a force in the direction of the lift cam disc by a compression spring.
  • securing means are present by attaching the securing means in the form of The function of the door closer is not impaired in any way by pins, since here too the damping piston and spring support member can work completely separately from one another.
  • the securing means are, for example, firmly anchored in the spring support member on the one hand, and on the other side on the other hand can be smoothly immersed into blind bores within the damping piston.
  • the securing rods run horizontally to the vertical axis of the door closer shaft. If the damping piston and the spring support member strive to twist with respect to the other, this locking is prevented by the securing means, because of contact the rotary movement is prevented on the cam disc
  • the object of the present invention is then to reduce an overhead door closer in manufacturing costs, while at the same time increasing the efficiency of the door closer
  • a one-piece piston is used, which combines both the function of the damping piston and the spring support member.
  • the piston is designed as an elongated round component, which is almost in its middle Area has a recess beyond the axial center in order to be able to use the cam disc to be placed therein. Following the recess there is an opening which on the one hand serves as a passage for the closer shaft but at the same time also on the entire piston enables the possibility of axial displacement due to the rotary movement of the closer shaft By choosing a longer piston, better guidance and support are achieved in the cylinder bore. As a result, the transverse forces that always occur are kept lower, which means less friction, and thus there is an increase in efficiency
  • the part of the piston which takes over the function of a damping piston is designed in such a way that the outer piston surface is guided without a seal in the housing of the cylinder wall which surrounds it.
  • the one shown in the illustration can also be used State of the art second compression spring is omitted.
  • the area of the damping piston has a bore that receives a check and pressure relief valve. Following this axial bore there is an axial recess to the center of the piston for receiving a thrust roller.
  • This thrust roller is held by a pin , which is inserted radially into the damping piston in a blind bore or shoulder bore, held rotatably.
  • the pin has a protective cap made of plastic on the side facing the cylinder wall, so that if this pin is accidentally loosened, there are no chatter marks in the area of the cylinder walls can
  • the part of the piston which is designed as a spring support member has the same diameter as the part of the damping piston. However, there is a bore in the interior of the spring support member, into which an inner part which can be displaced in the axial direction can be inserted.
  • This inner part has on the outer side an approach, which is used to hold and thus securely place the compression spring for the energy storage
  • the inner part has a bore running in the axial direction in order to allow the damping medium to flow out of the spring chamber into the pressure chamber Piston also has a recess in the axial direction, which also serves to receive a force transmission roller.
  • This force transmission roller is through a needle bearing on a pin that passes through the outer walls of the spring support member with a certain amount of play and at the same time through an interference fit inside the inner part it the- sem is positively and positively connected.
  • This pin also has, in its end facing the area of the cylinder wall, a closure cap made of plastic.
  • the inner part is dimensionally matched to the inner bore of the spring support member so that it is displaceable in the axial direction, in a certain range, namely that of the game between the radially inserted pin, a displacement of the inner part in the axial direction for the force transmission roller Possible direction.
  • the design of a single-piece piston has the advantage that there is an enormous increase in efficiency.
  • the production costs can be reduced as a result that on the one hand the second compression spring is omitted and on the other hand the assembly costs can be drastically reduced.
  • the entire piston can be preassembled outside the housing. This is used as a complete assembly in the cylinder wall of the housing, whereby then the cam disc is inserted from above between the thrust roller and the power transmission roller, which have a defined seat, and then the sealing cap for the emerging closer shaft can be inserted and the compression spring can be inserted into the housing afterwards and the housing can be closed on both ends
  • Figure 2 Individual representation of the piston in a sectional view in the axial direction
  • FIG. 1 shows a housing 23 of an overhead door closer, in which a closer shaft end 27 is connected to the housing 23 by a closure 31.
  • a bearing 32 for the rotary mounting of a closer shaft 33 is located within the closure 31.
  • the other end of the closer shaft 33 is rotatably supported within the housing 23 in an inner bearing 18.
  • the closer welie 33 penetrates with the stroke cam 19 a piston 1.
  • the piston 1 is displaceable in the axial direction of the housing 23 within a cylinder wall 30.
  • the housing 23 is closed by a closure cap in the region of the piston and, on the other hand, after a compression spring 6 has been inserted, the housing 23 is closed overall by a closure cap 24 and spring counter bearing 25 located thereon.
  • the piston 1 is used as an entire assembly within the housing 23.
  • the piston 1 is designed as a one-piece part and contains both the damping piston 2 and the spring support member 3.
  • the piston 1 has in approximately its central region a radially machined recess 4 which extends beyond the axial center.
  • the subsequent remaining part namely the connection between the part of the damping piston 2 and that of the spring support member 3, there is an opening 5 which allows the closer shaft 33 to be pushed through the piston 1 as it were.
  • the recess 5 is not designed as a circular bore, but as an elongated hole in order to give the piston 1 the possibility of axial movement.
  • the damping piston 2 In the axial direction is inside the Damping piston 2 has a bore into which a check valve and pressure relief valve is installed. This check valve and pressure relief valve 21 is necessary for the proper functioning of the overhead door closer.
  • the damping piston 2 has a radial bore, preferably as a blind bore 16 or stepped bore is carried out within the bore 16, a pin 15 is inserted positively and positively, which at the same time holds the rotating thrust roller 14 located in a recess.
  • the pin 15 against unintentional slipping out, the pin 15 is in its end facing the cylinder wall 30 with a closure cap 10, which is preferably made of plastic. This also prevents chatter marks from occurring inside the cylinder wall 30
  • the spring support member 3 is provided in its inner region with a bore into which an inner part 8 is inserted so as to be longitudinally displaceable in an axial direction
  • an extension 7 on the inner part 8 which prevents the compression spring 6 from being displaced from the axial position.
  • Inside the inner part 8 there is preferably a bore 26 in the middle, which allows the vaporization medium to be removed from the unpressurized one To let space flow to the pressure space and back
  • the spring support member 3 there is a roller as a force transmission roller 11 which, however, is used in a different way than that in the damping piston 2.
  • the force transmission roller 11 has a needle bearing 29, through whose bore a pin 9 passes.
  • this pin 9 is radially in a bore within the inner part 8 held by a press fit.
  • the pin 9 has a greater length than the diameter of the inner part 8 and thus its ends protrude into areas 12, 13 of the outer wall of the spring support member 3.
  • the spring support member 3 Holes are available, which, however, have a play 28 so that the inner part 8 can move in the axial direction when the pin 9 is inserted by a predetermined amount.
  • the area of the spring support member 3 has a blind hole or stepped bore 17 and the pin 9 also has a closure at its other end. cap 10 which also prevents the pin 9 from coming into contact with the cylinder wall 30
  • a securing plate 20 is held in place by the pins 9, 15 at the same time.
  • the securing plate 20 can be located both below and above the thrust roller 14 and the force transmission roller
  • the locking plate 20 has an approximately similar opening in its central area, such as the opening 5, which is located in the piston 1. The locking plate 20 ensures that the piston 1 is rotated relative to the axial or radial plane of the closer shaft 33 is excluded

Landscapes

  • Fluid-Damping Devices (AREA)
  • Lock And Its Accessories (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Wing Frames And Configurations (AREA)
  • Special Wing (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Abstract

L'invention concerne un système de fermeture de porte par le haut, dans lequel les deux pistons (2, 3) se déplaçant en sens inverse, habituellement utilisés, sont remplacés par un piston (1) en une seule pièce. Ce mode de réalisation à piston en une seule pièce permet d'accroître l'efficacité du système de fermeture de la porte.
PCT/DE1997/000122 1996-01-30 1997-01-24 Systeme de fermeture de porte par le haut WO1997028341A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE59703586T DE59703586D1 (de) 1996-01-30 1997-01-24 Obentürschliesser
AT97914081T ATE201477T1 (de) 1996-01-30 1997-01-24 Obentürschliesser
EP97914081A EP0830491B1 (fr) 1996-01-30 1997-01-24 Systeme de fermeture de porte par le haut
US08/938,223 US5901412A (en) 1996-01-30 1997-09-26 Top-mounted door closer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19603186.9 1996-01-30
DE19603186A DE19603186C2 (de) 1996-01-30 1996-01-30 Obentürschließer

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US08/938,223 Continuation-In-Part US5901412A (en) 1996-01-30 1997-09-26 Top-mounted door closer

Publications (1)

Publication Number Publication Date
WO1997028341A1 true WO1997028341A1 (fr) 1997-08-07

Family

ID=7783993

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1997/000122 WO1997028341A1 (fr) 1996-01-30 1997-01-24 Systeme de fermeture de porte par le haut

Country Status (5)

Country Link
EP (1) EP0830491B1 (fr)
AT (1) ATE201477T1 (fr)
DE (2) DE19603186C2 (fr)
ES (1) ES2113337T3 (fr)
WO (1) WO1997028341A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006021362A1 (fr) * 2004-08-25 2006-03-02 Dorma Gmbh + Co. Kg Ferme-portes pose sur le haut
DE102004061627A1 (de) * 2004-12-17 2006-07-06 Dorma Gmbh + Co. Kg Türschließer

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19922916A1 (de) * 1999-01-18 2000-07-20 Geze Gmbh Türschließer
BRPI0401324B1 (pt) * 2004-04-12 2014-01-14 Processo de montagem para dispositivo de fechamento de portas e dispositivo resultante
DE102010017574B4 (de) * 2010-06-25 2019-11-28 Dormakaba Deutschland Gmbh Türschließer
US8793838B2 (en) * 2011-02-22 2014-08-05 Schlage Lock Company Llc Door actuator
DE102012111534A1 (de) * 2012-11-28 2014-05-28 Dorma Gmbh + Co. Kg Türbetätiger
CN104563710B (zh) * 2014-12-31 2017-01-04 黄会新 一种工作高效的闭门器
CN111255326B (zh) * 2020-01-16 2021-08-27 广州特伯能门控有限公司 一种闭门器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3411189A1 (de) * 1984-03-27 1985-10-10 Dorma-Baubeschlag Gmbh & Co Kg, 5828 Ennepetal Selbsttaetiger tuerschliesser
DE4041824C1 (fr) * 1990-12-24 1992-06-11 Dorma Gmbh + Co. Kg, 5828 Ennepetal, De
DE4038720A1 (de) * 1990-12-05 1992-06-11 Dorma Gmbh & Co Kg Obertuerschliesser mit gleitschienengestaenge
DE9413039U1 (de) * 1994-01-19 1995-05-18 Gretsch-Unitas GmbH, 71254 Ditzingen Türschließer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH281690A (de) * 1950-05-25 1952-03-31 Gmbh Hs Murbach Türschliesser.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3411189A1 (de) * 1984-03-27 1985-10-10 Dorma-Baubeschlag Gmbh & Co Kg, 5828 Ennepetal Selbsttaetiger tuerschliesser
DE4038720A1 (de) * 1990-12-05 1992-06-11 Dorma Gmbh & Co Kg Obertuerschliesser mit gleitschienengestaenge
DE4041824C1 (fr) * 1990-12-24 1992-06-11 Dorma Gmbh + Co. Kg, 5828 Ennepetal, De
DE9413039U1 (de) * 1994-01-19 1995-05-18 Gretsch-Unitas GmbH, 71254 Ditzingen Türschließer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006021362A1 (fr) * 2004-08-25 2006-03-02 Dorma Gmbh + Co. Kg Ferme-portes pose sur le haut
DE102004061627A1 (de) * 2004-12-17 2006-07-06 Dorma Gmbh + Co. Kg Türschließer
DE102004061627B4 (de) * 2004-12-17 2007-02-01 Dorma Gmbh + Co. Kg Türschließer

Also Published As

Publication number Publication date
DE19603186C2 (de) 1998-02-19
EP0830491A1 (fr) 1998-03-25
DE59703586D1 (de) 2001-06-28
ATE201477T1 (de) 2001-06-15
EP0830491B1 (fr) 2001-05-23
DE19603186A1 (de) 1997-07-31
ES2113337T1 (es) 1998-05-01
ES2113337T3 (es) 2001-09-16

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