EP0368871A1 - Selbsttätiger türschliesser. - Google Patents
Selbsttätiger türschliesser.Info
- Publication number
- EP0368871A1 EP0368871A1 EP88904918A EP88904918A EP0368871A1 EP 0368871 A1 EP0368871 A1 EP 0368871A1 EP 88904918 A EP88904918 A EP 88904918A EP 88904918 A EP88904918 A EP 88904918A EP 0368871 A1 EP0368871 A1 EP 0368871A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hollow cylinder
- tubular hollow
- door closer
- overflow channel
- housing
- 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
Links
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000013016 damping Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
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
-
- 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
-
- 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
- E05F3/12—Special devices controlling the circulation of the liquid, e.g. valve arrangement
-
- 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
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories 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
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/252—Type of friction
- E05Y2201/254—Fluid or viscous friction
-
- 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, the spring arrangement loading a closer shaft and a hydraulic piston serving to damp the closing movement are arranged in a common housing, in which the piston can be displaced, controlled from the outside, between radial throttle bores which are connected to one another via an overflow channel are, which connects a pressure chamber in the housing in front of the piston with a pressure-free space behind the piston via a throttle valve.
- These are preferably pinion-type door closers or crank-type door closers according to the German industrial standard 18263.
- These Door closers are used for fire protection doors, smoke protection doors and apartment doors.
- the energy required for self-closing is usually stored in a helical compression spring.
- the closing movement is dampened by hydraulic throttling.
- the hydraulic piston which is displaceable from the outside, is arranged in the housing between radial throttle bores, which are connected to one another via an overflow channel, each of which connects a pressure space in the housing in front of the piston to a pressure-free space behind the piston via a throttle valve.
- the housing is made in one piece, either as a die-cast housing or as a section of a corresponding continuous cast hollow profile, preferably made of a light metal.
- the manufacture of such housings is difficult with regard to the tightly tolerated cylinder holder for the hydraulic piston and the necessary long overflow channels and the throttle bores and requires special machine tools.
- the cylinder holder for the hydraulic piston must be manufactured with high tolerance accuracy.
- the overflow channel which generally runs parallel to the hydraulic piston in the one-piece housing, is particularly difficult to manufacture, and can be precisely connected from the outside or from the inside to the throttle bores arranged transversely.
- DE-PS 931 696 has already proposed a special hydraulic cylinder which serves to dampen the door closer, which is accommodated in a separate housing ; to arrange a pipe-like line on the outside as an overflow channel.
- an external overflow line proves to be disruptive.
- DE-PS 826 849 it is known to cast an approach on the housing of an automatic door closer with a cast overflow line.
- tubular sections are also cast in the housing designed as a cast body.
- Door closer housing proves to be complex and difficult. It requires the tube parts to be set up precisely in the casting mold. The resulting cast housing itself is relatively voluminous.
- the object of the invention is to simplify the manufacture of the housing of an automatic door closer of the type mentioned at the outset.
- the object of the invention is achieved in such a door closer, which is characterized in that the housing is a tubular hollow cylinder on which the overflow channel is formed on the outside with one or more tightly fitted cover elements.
- assembled pipe sections can be used as door closer housings which are already sufficiently closely tolerated with regard to the cylinder receptacle.
- the formation of the overflow channel between the outside of the tubular hollow cylinder and the tightly fitted cover element avoids the complicated bores previously required in the door closer housing.
- the cover elements which adapt to the outer shape of the tubular hollow cylinder require only a very “slight enlargement of the housing in a partial area.
- a groove is welded on the outside of the tubular hollow cylinder as a cover element with an outwardly pronounced cavity which is open towards the tubular hollow cylinder and which the tubular hollow cylinder forms the overflow channel.
- cover elements can be attached to the tubular hollow cylinder using a known welding method, without thermal stress affecting the tightly tolerated cylinder receptacle.
- an automatic door closer is characterized in that the tubular hollow cylinder is arranged in a sealed manner between two half shells forming a cylinder receptacle, a groove-like overflow channel open to the tubular hollow cylinder being formed with a seal surrounding it in a half shell , the radial throttle bores and a bore to the unpressurized cylinder space being provided in the region of the tubular hollow cylinder which closes off the corresponding overflow channel.
- the two housing shells are braced against one another by tensioning elements, for example by means of a plurality of screw connections, and in this case hold the tubular hollow cylinder in a sealed manner.
- the invention also includes the proposal to form the respective cover element in one piece with the subsequent throttle valve housing, so that in this case the possible two individual elements are placed together in a sealed manner on the hollow cylinder and can preferably be fastened by a welded connection.
- FIG. 2 shows the top view of the housing in FIG. 1
- FIG. 3 shows a section along the line I - I in FIG. 2
- FIG. 4 shows a section along the line III III in FIG. 3
- FIG. 7 shows a plan view of a further door ski housing
- FIG. 9 shows a partial section along the line VI-VI in FIG. 7,
- FIG. 10 shows a partial section along the line VII-VII in FIG. 7,
- FIG. 11 shows a part 1 in longitudinal section through a further door closer housing in the region of the overflow channel formed
- FIG. 12 shows a section along the line VIII-VIII in FIG. 11.
- FIGS. 1-6 Two half-shells 1 and 2 form a cylinder receptacle in which a tubular hollow cylinder 6 forming the door closer housing is positioned and sealed in a form-fitting manner is recorded.
- the housing shells lie against each other in the division level 4.
- the number 3 indicates an additional cover shown in dashed lines.
- the two half-shells 1 and 2 are braced against one another via the screw connections 5.
- a hydraulic piston 8 which is displaceable from the outside via a corresponding connecting rod or the like, not shown, separates a pressure chamber 61 from a non-pressurized chamber 62.
- FIG. 4 shows, two radial throttle bores 63 and 64 open into the pressure chamber 61 open into an overflow channel 21 in the half-shell 2 parallel to the cylinder axis.
- this overflow channel 21 is molded openly in a groove-like manner towards the tubular hollow cylinder 6 in the cylinder receptacle of the half-shell 2.
- a seal receptacle 22 is formed around the overflow channel 21 and a molded seal 9 is inserted into it.
- Other types of seals can also be used here.
- the bores 23 and 12 shown in FIGS. 5 and 6, which are used to pass the drive linkage, are also surrounded by a seal receptacle 24.
- the seals 10 to be arranged therein can be seen in FIG. 5.
- the tubular hollow cylinder 6 is also excluded at the corresponding points.
- the hydraulic piston 8 is displaced in the direction of the sealing plug 66.
- the hydraulic fluid flows out of the pressure chamber 61 through the throttle bores 63 and 64 via the overflow channel 21 Throttle valve 7 and from this valve to the unpressurized space 62.
- the throttle valve 7 projects with its valve cone 71 into the bore 65 formed as a valve seat on the hollow cylinder 6.
- the throttle valve 7 is inserted radially into the half-shell 2 with the seal 62 and can be adjusted from the outside.
- the hollow cylinder 6 is positioned between the half-shells 1 and 2.
- a cam 11 provided in the half-shell 1 engages in a corresponding recess 67 on the outside of the hollow cylinder 6.
- FIGS. 7-10 A less technically complex construction of a door closer housing is shown in FIGS. 7-10.
- the housing is formed by the tubular hollow cylinder 106, which can be a section of a prefabricated tube with a tightly tolerated inner diameter.
- the inside of the hollow cylinder forms the receptacle for the hydraulic piston 108.
- the two throttle bores 163 and 164 are provided in the radial direction.
- the overflow channel 121 is arranged on the outside of the hollow cylinder 6. It is formed by the channel 102, which is fastened tightly to the tubular hollow cylinder 106 using a suitable welding method.
- the throttle valve 107 or its valve housing is attached to the channel 102. This housing can also be fastened with a welded connection or a suitable other connection.
- the overflow channel 121 formed connects the throttle bores 163 and 164 with the bore 165 to the unpressurized space.
- the valve cone of the throttle valve 107 acts against this bore 165.
- FIGS. 11 and 2 show the tubular hollow cylinder 206 of an automatic door closer, in which a groove-like depression is formed on the outside in the region of the throttle bores 263, 264 and 265 in order to form the overflow channel 221.
- a partially shell-shaped cover element 202 is placed in a sealed manner over this recess and is preferably fastened with a welded connection. The cover element 202 is already connected to the housing of the throttle valve 207 in the same material.
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Fluid-Damping Devices (AREA)
- Lock And Its Accessories (AREA)
- Liquid Crystal (AREA)
- Vending Machines For Individual Products (AREA)
- Elevator Door Apparatuses (AREA)
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT88904918T ATE69856T1 (de) | 1987-06-13 | 1988-06-10 | Selbsttaetiger tuerschliesser. |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3719883 | 1987-06-13 | ||
| DE3719883 | 1987-06-13 | ||
| DE19873735010 DE3735010A1 (de) | 1987-06-13 | 1987-10-16 | Tuerschliesser mit hydraulischer daempfung |
| DE3735010 | 1987-10-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0368871A1 true EP0368871A1 (de) | 1990-05-23 |
| EP0368871B1 EP0368871B1 (de) | 1991-11-27 |
Family
ID=25856659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP88904918A Expired - Lifetime EP0368871B1 (de) | 1987-06-13 | 1988-06-10 | Selbsttätiger türschliesser |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5090089A (de) |
| EP (1) | EP0368871B1 (de) |
| JP (1) | JPH02503811A (de) |
| AT (1) | ATE69856T1 (de) |
| AU (1) | AU1808888A (de) |
| DE (4) | DE3735010A1 (de) |
| FI (1) | FI91911C (de) |
| WO (1) | WO1988009860A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9995076B1 (en) | 2001-07-13 | 2018-06-12 | Steven M. Hoffberg | Intelligent door restraint |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4002889C5 (de) * | 1990-02-01 | 2005-11-10 | Geze Gmbh | Türschließer |
| GB9106245D0 (en) * | 1991-03-23 | 1991-05-08 | Newman Tonks Eng | Door closer |
| US5538299A (en) * | 1994-09-27 | 1996-07-23 | Nemeckay; Stephen A. | Housing and securing device |
| US6120385A (en) * | 1994-09-27 | 2000-09-19 | Nemeckay; Stephen A. | Golf training device |
| USD387971S (en) * | 1995-02-13 | 1997-12-23 | Dexter Automatic Products Company | Combined housing and securing device |
| DE19857297C1 (de) * | 1998-12-14 | 2000-07-06 | Dorma Gmbh & Co Kg | Türschließer |
| RU2183242C1 (ru) * | 2001-06-01 | 2002-06-10 | Амурский государственный университет | Устройство для закрывания двери |
| US7316096B2 (en) * | 2004-06-30 | 2008-01-08 | Yale Security Inc. | Door operator |
| US20060021189A1 (en) * | 2004-07-30 | 2006-02-02 | Johnson Loring M | Door closer |
| CN101802335B (zh) | 2007-04-24 | 2013-11-06 | 耶鲁安全公司 | 门关闭器组件 |
| DE102007059707B4 (de) * | 2007-12-10 | 2022-02-17 | Eco Schulte Gmbh & Co. Kg | Türschließergehäuse mit schräg angeordnetem Ventil |
| IT1395306B1 (it) * | 2009-08-06 | 2012-09-05 | Gosio Dianora | Una cerniera per celle frigorifere, cancelli pedonali o similari |
| 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 |
| US8773237B2 (en) | 2010-04-16 | 2014-07-08 | Yale Security Inc. | Door closer with teach mode |
| US8415902B2 (en) | 2010-04-16 | 2013-04-09 | Yale Security Inc. | Door closer with calibration mode |
| US8527101B2 (en) | 2010-04-16 | 2013-09-03 | Yale Security Inc. | Door closer assembly |
| US8564235B2 (en) | 2010-04-16 | 2013-10-22 | Yale Security Inc. | Self-adjusting door closer |
| US8779713B2 (en) | 2010-04-16 | 2014-07-15 | Yale Security Inc. | Door closer with dynamically adjustable latch region parameters |
| DE102013112453A1 (de) * | 2013-11-13 | 2015-05-13 | Dorma Deutschland Gmbh | Obentürschließer |
| ES2980825T3 (es) * | 2016-05-13 | 2024-10-03 | Colcom Group S R L | Bisagra para el movimiento rotatorio de una puerta, contraventana o similar |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE667522C (de) * | 1936-12-19 | 1938-11-12 | Walter Graichen | Tuerschliesser mit Fluessigkeitschemmung |
| GB639376A (en) * | 1948-07-17 | 1950-06-28 | Eric George Quibell | Improvements in door closers |
| DE826849C (de) * | 1949-12-15 | 1952-01-07 | Yale & Towne Mfg Co | Tuerschliessergehaeuse |
| DE931696C (de) * | 1952-04-06 | 1955-08-16 | Gunther Sasse | Tuerschliesser mit einer Schliesserachse, auf welche ein unter Federspannung stehendes Zugorgan und eine hydraulische Bremseinrichtung einwirken |
| US3079629A (en) * | 1961-05-04 | 1963-03-05 | Ronan And Kunzl Inc | Hydraulically retarded door closer |
| DE1584166A1 (de) * | 1965-12-30 | 1969-03-27 | Revuelta Jose Luis Merayo | Anordnung eines Tuerschliessers nebst zugehoeriger Gelenkstangenverbindung |
| GB1214132A (en) * | 1966-11-21 | 1970-12-02 | Brent Metal Works Ltd | Improved door-closer mechanism |
| US3426382A (en) * | 1967-09-27 | 1969-02-11 | Schlage Lock Co | Housing for door closing and checking mechanism |
| US3584331A (en) * | 1969-06-13 | 1971-06-15 | Rixson Inc | Hydraulic door checking mechanism |
| US3574886A (en) * | 1969-07-10 | 1971-04-13 | Norris Industries | Position control hydraulic snubber |
| JPS4935547U (de) * | 1972-06-27 | 1974-03-29 | ||
| FI194773A7 (de) * | 1973-06-15 | 1974-12-16 | Veli Jaakko Saajos | |
| FR2311919A1 (fr) * | 1975-05-21 | 1976-12-17 | Baumgartner & Co Hans | Dispositif de commande equipe d'un dispositif de freinage hydraulique pour portes |
| US4115897A (en) * | 1977-10-11 | 1978-09-26 | Eaton Corporation | Zero force hold open door closer |
| US4601502A (en) * | 1985-05-06 | 1986-07-22 | Dyke James R Van | Door stop assembly |
-
1987
- 1987-10-16 DE DE19873735010 patent/DE3735010A1/de not_active Withdrawn
-
1988
- 1988-06-10 EP EP88904918A patent/EP0368871B1/de not_active Expired - Lifetime
- 1988-06-10 DE DE88DE8800347D patent/DE3890451D2/de not_active Expired
- 1988-06-10 AU AU18088/88A patent/AU1808888A/en not_active Abandoned
- 1988-06-10 JP JP63504669A patent/JPH02503811A/ja active Pending
- 1988-06-10 AT AT88904918T patent/ATE69856T1/de not_active IP Right Cessation
- 1988-06-10 DE DE3890451A patent/DE3890451C1/de not_active Expired - Lifetime
- 1988-06-10 US US07/445,696 patent/US5090089A/en not_active Expired - Fee Related
- 1988-06-10 DE DE8888904918T patent/DE3866547D1/de not_active Expired - Lifetime
- 1988-06-10 WO PCT/DE1988/000347 patent/WO1988009860A1/de not_active Ceased
-
1989
- 1989-12-12 FI FI895939A patent/FI91911C/fi not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO8809860A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9995076B1 (en) | 2001-07-13 | 2018-06-12 | Steven M. Hoffberg | Intelligent door restraint |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02503811A (ja) | 1990-11-08 |
| AU1808888A (en) | 1989-01-04 |
| DE3890451D2 (en) | 1989-08-17 |
| DE3735010A1 (de) | 1988-12-22 |
| EP0368871B1 (de) | 1991-11-27 |
| DE3866547D1 (de) | 1992-01-09 |
| FI895939A0 (fi) | 1989-12-12 |
| DE3890451C1 (de) | 1990-04-26 |
| FI91911B (fi) | 1994-05-13 |
| ATE69856T1 (de) | 1991-12-15 |
| US5090089A (en) | 1992-02-25 |
| WO1988009860A1 (fr) | 1988-12-15 |
| FI91911C (fi) | 1994-08-25 |
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