EP0757742B1 - Selbsttätiger türschliesser und verfahren zur montage desselben - Google Patents

Selbsttätiger türschliesser und verfahren zur montage desselben Download PDF

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Publication number
EP0757742B1
EP0757742B1 EP96900842A EP96900842A EP0757742B1 EP 0757742 B1 EP0757742 B1 EP 0757742B1 EP 96900842 A EP96900842 A EP 96900842A EP 96900842 A EP96900842 A EP 96900842A EP 0757742 B1 EP0757742 B1 EP 0757742B1
Authority
EP
European Patent Office
Prior art keywords
coupling part
outer part
piston
door closer
automatic door
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
EP96900842A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0757742A1 (de
Inventor
Volker Bienek
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.)
Dorma Deutschland GmbH
Original Assignee
Dorma Deutschland GmbH
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 Deutschland GmbH filed Critical Dorma Deutschland GmbH
Publication of EP0757742A1 publication Critical patent/EP0757742A1/de
Application granted granted Critical
Publication of EP0757742B1 publication Critical patent/EP0757742B1/de
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
    • E05F3/104—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
    • 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 automatic door closer according to the preamble of claim 1.
  • the inside of the housing in piston dividing two pressure medium spaces is used in the invention
  • Door closer formed from a coupling part and an outer part.
  • the connection between the coupling part and the outer part is direct non-positive and form-fitting as well as free of play with those on the drive axle located power transmission elements connected.
  • GB-2,244,759-A discloses a piston of a door closer which is not directly connected to the axis group. Via a piston pin is made in a generally known manner by penetrating the sealing surfaces the piston is mounted. This type of connection is not outside the housing to accomplish, but must run inside the case become.
  • a door closer with a power-transmitting piston rod can be found in DE-C-163 160. It is a piston surface present, which protrudes from the piston, which leads to the Final drive is far from the piston. This design is the Door closers are extremely large in their external dimensions.
  • EP-0 469 697-A1 shows a door closer in which the piston is screwed directly onto a piston rod. However, it will be here too the force of the final drive, which is located relatively far from the piston is introduced into the piston via the piston rod. This too Working principle would be without the power transmission and thus the door closer lengthening piston rod will not work.
  • the object of the invention is an automatic door closer further training, in which the overall length of the housing is reduced, but at the same time very good hydraulic functions with an increase overall efficiency are guaranteed. Furthermore, too manufacturing costs are reduced at the same time.
  • the subject matter of claim 1 has the advantage that the Damping piston that divides the interior of the housing into two rooms divided, is placed close to the drive axis of the door closer, and thus a direct assembly of a coupling part with a plate carriage can be done.
  • the required inside the piston Space for the coupling flange, which is connected to the bracket with a pin is connected.
  • This pre-assembly is outside the Housing performed and is thus compared to conventional piston rod connections to carry out much faster and cheaper.
  • the connection in the damping piston consists of a Coupling part and an outer part, the outer part over the pre-assembled coupling part after assembly of the entire axle group from the drive axle, the cam, the plates, the bearings and the rollers with the coupling part is inserted.
  • the entire axle group is for final assembly through the housing entry the top of the door closer used, being by a side Entry into the housing, and thus at the same time into the cylinder bore the door closer, the outer part is inserted. It will Outer part inserted over the coupling part, and through a connecting link a non-positive, positive and play-free connection between both parts made.
  • the coupling part is designed so that the connection otherwise present in the outer surface of the piston in Shape of a pin is also used in the coupling part, only covers the outer part, due to its walls, secures and secures this area at the same time the pin connection in the coupling part, so that only by Outer part is sealed within the cylinder wall.
  • the connecting pin as in the prior art, passes through the Outer skin of the piston, i.e. in the area where there is a seal to the cylinder wall is necessary, this pin must be secured.
  • This Securing is usually achieved by caulking.
  • the caulking in the installed state has the disadvantage that not always the necessary precision can be maintained, and thus the efficiency of the automatic door closer is reduced.
  • the housing cover is designed larger must be achieved to caulk the piston with the pin, or if the housing cover is not made larger that an additional Opening is inside the case, which in this case then must also be closed again. Through this additional The bore is weakened, furthermore arise in this If higher production costs and the sealing surfaces are interrupted.
  • connection between the coupling and the outer part various possibilities.
  • One of these possibilities is that on the Coupling part is an approach that is designed so that it in the Outside part finds a guide. At the same time is in the area of this approach there is an internal thread through which when the outer part is attached a connecting link that is secure, non-positive and positive, play-free Connection between the coupling and outer part and at the same time also creates between the axle group.
  • Another type of attachment can e.g. be such that the connecting link connected to the outer part directly outside the housing is or consists of one piece, and this pre-assembled group with the pre-assembled axle group and the coupling part inside of the housing is brought together. In this case, however, it is necessary that the outer part with the link opposite the Axle group is secured with the coupling part.
  • a backup can e.g. by a locking ring or by a nut, i.e. a Screw connection are made.
  • valves are displaced within the complete piston and channels that allow it. So there is a check valve, which with its connecting channel in a so-called ring channel, which is inside the outer part ends. At the same time in the area of the ring channel also a chamfer on the coupling part has been formed, thus defining a defined channel within the piston represents in the assembled state of the same. To drain of the damping medium are still lateral channels on the coupling part has been formed, thus connecting the pressure chamber in the depressurized room.
  • the design of the automatic Door closer can be reduced.
  • the housing is also not through additional holes weakened, the efficiency of a such a door closer is not reduced, on the contrary it will still increased.
  • the complete axle group 1 essentially consists of the drive axle 18, with a cam disc connected to it non-positively and positively 28, the tabs 16, 17 for connecting the pressure roller 27 and the support roller 29 via the pins 22, 23.
  • the drive shaft 18 is thereby stored in the lower area by a bearing 19.
  • the pins 22, 23 and the piston pin 15 are not caulked, because of the design, a backup of these pins can be omitted.
  • the coupling part 15 is designed so that it has a projection 10, in which there is a bore with an internal thread 11. This Internal thread is used to connect the outer part 30 to the coupling part 15 used. There is also a chamfer 12 on the coupling part 15 has been formed, with an existing within the outer part 30 Ring channel 13 cooperates. In the embodiment of the figure 1 are the fluid channels leading from this ring channel 13 to the unpressurized room 31 not shown.
  • the outer part 30 consists essentially of a receptacle 8 for the Coupling part with ring channel 13 connected to it the ring channel 13 is a stepped bore 9, which is the same Has diameter, as the approach 10 of the coupling part 15.
  • the stepped bore 9 is further narrowed to bore 7.
  • the outer part 30 is opened the coupling part 15 is inserted, so the outer part 30 in the area of Stepped bore 9 on the coupling part 15 in the area of the extension 10 guided.
  • the placement of the outer part 30 on the coupling part 15 is a connecting member 3, which has a threaded shoulder 4, in the internal thread 11 of the coupling part 15 screwed.
  • the outer part 30 there is at least one check valve 5, which ends in a channel 6.
  • This channel 6 in turn ends in the Ring channel 13, the one with the chamfer 12 of the coupling part 15 a circumferential Forms channel and has a connection to the depressurized room 31.
  • FIG 3 Another type of connection is shown in Figure 3, in which also the tabs 16, 17 with each other via the coupling part 39 and the piston pin 14 are connected.
  • the coupling part 39 is designed somewhat differently namely, it has an annular channel 36.
  • This ring channel 36 has a connection to the channel 6, which is inside the outer part 33 is located.
  • the complete axis group 1 can also be installed here be pre-assembled outside the housing 20 with the coupling part 39.
  • the outer part 33 has an inner bore in which the connecting member 3 is used outside the housing 20, via the connection 38.
  • the connection 38 can be a screw connection, for example his.
  • This pre-assembled group, consisting of link 3 and Outer part 33 is through the pressure chamber 32 into the housing 20 of the door closer introduced.
  • coupling part 39 is located and outer part 33 one above the other.
  • a direct connection must now be made between the inserted through the open area of the housing cover 21 Axle group 1 with the coupling part 39 and the preassembled connecting link 3 with the outer part 33.
  • This can e.g. through a Circlip 35, which is within a groove 34, which is in the Outer part 33 is made possible.
  • the circlip 35 can also be selected a screw connection, which is a force and positive connection between the coupling part and the outer part ensures.
  • Figure 2 shows the assembled Parts.
  • axis group 1 is outside the housing 20 has been pre-assembled. This axis group 1 will then then into the housing 20 through the opening, which later is closed by the housing cover 21 is used.
  • the outer part 30 by the not yet with the compression spring and the damping medium filled pressure space 32 via the coupling part 15 set.
  • the connector 3 screwed into the coupling part 15, which at the same time a backlash-free, non-positive and positive connection between interior and outer part ensures.

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Automatic Assembly (AREA)
  • Lock And Its Accessories (AREA)
  • Fluid-Damping Devices (AREA)
  • Seal Device For Vehicle (AREA)
  • Refrigerator Housings (AREA)
EP96900842A 1995-02-23 1996-01-24 Selbsttätiger türschliesser und verfahren zur montage desselben Expired - Lifetime EP0757742B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19506355 1995-02-23
DE19506355A DE19506355C2 (de) 1995-02-23 1995-02-23 Selbsttätiger Türschließer
PCT/DE1996/000095 WO1996026344A1 (de) 1995-02-23 1996-01-24 Selbsttätiger türschliesser und verfahren zur montage desselben

Publications (2)

Publication Number Publication Date
EP0757742A1 EP0757742A1 (de) 1997-02-12
EP0757742B1 true EP0757742B1 (de) 2000-05-17

Family

ID=7754867

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96900842A Expired - Lifetime EP0757742B1 (de) 1995-02-23 1996-01-24 Selbsttätiger türschliesser und verfahren zur montage desselben

Country Status (13)

Country Link
US (1) US5832561A (pt)
EP (1) EP0757742B1 (pt)
AT (1) ATE193086T1 (pt)
AU (1) AU4481096A (pt)
BR (1) BR9605812A (pt)
CZ (1) CZ292164B6 (pt)
DE (2) DE19506355C2 (pt)
ES (1) ES2097107T3 (pt)
GR (2) GR970300006T1 (pt)
PT (1) PT757742E (pt)
SK (1) SK284483B6 (pt)
TW (1) TW304216B (pt)
WO (1) WO1996026344A1 (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8225458B1 (en) 2001-07-13 2012-07-24 Hoffberg Steven M Intelligent door restraint

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19857297C1 (de) * 1998-12-14 2000-07-06 Dorma Gmbh & Co Kg Türschließer
US6675535B2 (en) 2000-12-22 2004-01-13 Richard Armstrong Remote control door operating and coupling assembly
US7316096B2 (en) 2004-06-30 2008-01-08 Yale Security Inc. Door operator
DE102004061627B4 (de) * 2004-12-17 2007-02-01 Dorma Gmbh + Co. Kg Türschließer
DE102006038110B4 (de) * 2006-08-14 2014-03-13 Dorma Gmbh + Co. Kg Türschließer
CN101135217B (zh) * 2006-09-01 2012-11-14 多玛两合有限公司 地板闭门器
WO2008134442A1 (en) 2007-04-24 2008-11-06 Yale Security Inc. Door closer assembly
US9163446B2 (en) 2010-03-17 2015-10-20 Yale Security Inc. Door control apparatus
US8547046B2 (en) 2010-04-16 2013-10-01 Yale Security Inc. Door closer with self-powered control unit
US8415902B2 (en) 2010-04-16 2013-04-09 Yale Security Inc. Door closer with calibration mode
US8779713B2 (en) 2010-04-16 2014-07-15 Yale Security Inc. Door closer with dynamically adjustable latch region parameters
US8527101B2 (en) 2010-04-16 2013-09-03 Yale Security Inc. Door closer assembly
US8773237B2 (en) 2010-04-16 2014-07-08 Yale Security Inc. Door closer with teach mode
US8564235B2 (en) 2010-04-16 2013-10-22 Yale Security Inc. Self-adjusting door closer
WO2012150481A1 (en) * 2011-05-04 2012-11-08 Ol.Mi S.R.L. Hinge
AU2016203646B2 (en) * 2015-06-10 2021-06-24 Dormakaba Deutschland Gmbh Door drive

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE163160C (pt) *
GB156351A (en) * 1919-10-17 1921-01-13 George Snell An improved construction of door spring and check
US1978736A (en) * 1932-01-11 1934-10-30 Bommer Emil Cam and slide mechanism
DE1949240B2 (de) * 1969-09-30 1973-09-27 Doerken & Mankel Kg, 5828 Ennepetal-Voerde Selbsttätiger Türschließer
DE3345004A1 (de) * 1983-12-13 1985-06-13 Dorma-Baubeschlag Gmbh & Co Kg, 5828 Ennepetal Obentuerschliesser
DE3411189A1 (de) * 1984-03-27 1985-10-10 Dorma-Baubeschlag Gmbh & Co Kg, 5828 Ennepetal Selbsttaetiger tuerschliesser
JP2854614B2 (ja) * 1989-07-21 1999-02-03 リョービ株式会社 ドアクローザ
GB2244759A (en) * 1990-05-17 1991-12-11 Jebron Ltd Door closing device
KR930001035Y1 (ko) * 1990-07-31 1993-03-08 주식회사 동광 유압도어 클로우져
GB2261914B (en) * 1991-11-28 1995-08-30 Jebron Ltd Damper and method of controlling a door

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8225458B1 (en) 2001-07-13 2012-07-24 Hoffberg Steven M Intelligent door restraint
US9121217B1 (en) 2001-07-13 2015-09-01 Steven M. Hoffberg Intelligent door restraint

Also Published As

Publication number Publication date
DE59605225D1 (de) 2000-06-21
AU4481096A (en) 1996-09-11
SK135096A3 (en) 1998-02-04
DE19506355C2 (de) 1997-01-16
BR9605812A (pt) 1997-08-12
DE19506355A1 (de) 1996-09-05
ATE193086T1 (de) 2000-06-15
WO1996026344A1 (de) 1996-08-29
GR970300006T1 (en) 1997-04-30
PT757742E (pt) 2000-08-31
CZ307696A3 (en) 1997-10-15
ES2097107T3 (es) 2000-07-01
EP0757742A1 (de) 1997-02-12
US5832561A (en) 1998-11-10
CZ292164B6 (cs) 2003-08-13
TW304216B (pt) 1997-05-01
ES2097107T1 (es) 1997-04-01
SK284483B6 (sk) 2005-04-01
GR3033849T3 (en) 2000-10-31

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