EP0879335A1 - Turschliesser und verfahren zum betrieb eines turschliessers - Google Patents
Turschliesser und verfahren zum betrieb eines turschliessersInfo
- Publication number
- EP0879335A1 EP0879335A1 EP96901703A EP96901703A EP0879335A1 EP 0879335 A1 EP0879335 A1 EP 0879335A1 EP 96901703 A EP96901703 A EP 96901703A EP 96901703 A EP96901703 A EP 96901703A EP 0879335 A1 EP0879335 A1 EP 0879335A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- piston
- door
- spring
- housing
- door closer
- 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
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000008569 process Effects 0.000 title claims description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 238000013016 damping Methods 0.000 claims description 10
- 238000013519 translation Methods 0.000 claims description 7
- 239000010981 turquoise Substances 0.000 claims 3
- 238000004146 energy storage Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000014616 translation Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect 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
- 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
- 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
- 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
- E05Y2201/256—Fluid or viscous friction with pistons or vanes
-
- 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
- E05Y2201/262—Type of motion, e.g. braking
- E05Y2201/264—Type of motion, e.g. braking linear
-
- 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
- E05Y2800/20—Combinations of elements
- E05Y2800/21—Combinations of elements of identical elements, e.g. of identical compression springs
-
- 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 programmable door closer which, depending on the path and direction, significantly improves the ease of access of a door with different transmission ratios and thus different torque profiles. A method for operating such a door closer is also described.
- a method and an arrangement for controlling the force of a locking device can be found in DE 35 35 506 A1.
- the door is connected to the door frame by means of a locking device in the form of a door closer and link arms which are articulated to one another.
- the control of the different forces for opening and subsequent automatic closing of the door is achieved by moving the end of the linkage, which is distant compared to the door closing device, by the moment exerted by the closing device on the door in separate phases of opening and closing the door. changed accordingly.
- This arrangement is a device that works with external energy, i.e. an electric motor is provided which displaces a slide and at the same time determines its position in a guide member. The motor control is carried out in accordance with the desired opening angle
- US 4,979,261 discloses a door closer with a variable articulation position. Due to a toothed wheel attached to the closer shaft that rolls on the door, the point of application of the linkage and thus the entire torque analysis is automatically changed. This mechanical type reduces the opening force, while increasing the closing force.
- No. 4,419,786 describes an arrangement with which the force required to open a door is reduced in relation to normal door opening situations.
- a door closer is used here by moving the distal end of the linkage, which is connected to the door closer. From a certain opening angle, the force ratio is changed by using additional spring forces and a hydraulic or pneumatic control. As a result, the moment exerted by the door closer on the door via the articulated linkage arrangement can be changed.
- This principle shown is very complicated and its adaptability to different operating modes cannot be used everywhere
- a device in the form of a door closer which is shown in the Swedish Auslegesch ⁇ ft 469 342. consists of a housing in which two pistons are arranged. Furthermore, there are two springs, each of which is directly assigned to a piston and acts on it in the same direction. The other piston is connected to a piston rod, the rear end of which is sealingly received in a central bore of the second piston. The diameters of the two pistons are different.
- the liquid flow of the damping medium is controlled via the pistons via various channels in connection with valves.
- the object of the invention is then to improve a door closer to such an extent that a low opening torque is required for a high closing torque when the door is opened.
- no external energy is to be used, as some solutions which are used in the prior art should use and at the same time
- Such a door closer is inexpensive to manufacture and also easy to assemble
- the object of the invention is achieved in that the normally existing fixed coupling between the opening and the closing force is released.
- the removal of the fixed coupling is achieved in that in addition to the existing door piston there is a further spring piston acted upon by the closing spring Compared to a normal door closer, additional pressure spaces are connected on the one hand by fixed channels, but on the other hand by controlled channels or throttles and valves for the damping medium.
- both the spring piston and the door piston are designed in an L-shaped configuration. This results in two differently sized displacement surfaces.
- the geometrical design of the displacer surfaces also makes it possible to adapt and thus virtually program because the damping medium within the door closer housing can be used to control it accordingly.
- Pockets, chokes, rooms can be regarded as switching devices, since they correspond to switching devices that are also located outside the pistons. Such a possibility makes it possible for the individual piston spaces to be activated alternately, with damping being possible via throttles. Appropriate check valves in certain circles can be used to maintain the pressure.
- a targeted and conscious damped movement of the door piston and the spring piston can thus be realized via the hydraulic damping and switching means.
- a control is carried out according to a method to be determined.
- Such a method can, for example, take the form that when the door is opened, which can be done manually or by means of a power-operated drive, and during the subsequent closing process, which is made possible solely by the energy stored in the spring accumulator, up to one
- the door opening angle, the spring piston and the door piston which are to be defined and thus individually selectable, move at the same speed by pressure equalization between all the piston spaces filled with the hydraulic fluid. Only from a certain opening angle of the door can a control be activated which causes the door piston to separate from the spring piston.
- Figure 1 Principle of breaking the coupling between the spring piston and door piston and thus increased power transmission
- Figure 2 Like Figure 1. but with a force reduction
- Figure 3 Diagram of the opening and closing torque curve depending on the door opening angle
- FIG. 4 diagram of the translation characteristic of the connected
- Figure 5 cross section through a door closer with L-shaped piston without hydraulic switching means
- FIG. 7 cross section through the door closer with an L-shaped piston with hydraulic switching and damping means in various switching positions
- FIG. 4 shows a possible translation process that can arise when an additional gear with the translations for the opening and closing process of a door is switched on for the most different areas of the closing process.
- the following definitions are established:
- FIG. 1 shows the schematic separation of the spring piston 2 from the door piston 3.
- This separation creates an additional space 25 which lies between the spring piston 2 and the door piston 3 and is also filled with hydraulic fluid.
- the door piston chamber 24 is permanently connected to the spring chamber 21 via a channel 53.
- Piston which can be formed, for example, by a pinion cage, creates the inner piston 10, which in turn thereby creates two further pressure spaces. namely an inner piston space 26 and one Inner piston chamber 27. creates.
- the inner bulb chamber 26 is connected to the chamber 25 by a channel.
- the inner piston chamber 27 is also connected to the door piston chamber 24 by means of a pressure medium.
- the inner piston chamber 26 can also be connected to the door piston chamber 24 via a channel, and the inner piston chamber 27
- FIG. 5 shows a basic structure of the above-described approach to a solution.
- the door piston 3 and the spring piston 2 are arranged within a housing 5.
- the spring piston 2 is acted upon by the spring 1, which functions as an energy accumulator.
- the spring 1 is supported on the other hand on the sowa ⁇ d 1 17 of the housing 5.
- In the door piston 3 there is a toothing 4 which is connected to a pinion cage which projects with an external axis projecting outside the housing 5. for the connected
- the linkage (not shown) is struck on this drive axle, the other free end of the linkage being articulated for actuating the door, either on the door or on the door frame.
- the fixed coupling between the spring 1 and the piston 3 is not present. Rather, due to the interposition of a hydraulic gear, namely the spring piston 2, the piston 3, the housing 5 and the hydraulic spaces filled with the damping medium, namely the spring space 21, the piston chamber 22, the piston chamber 23 and the Turkish piston chamber 24.
- FIG. 7 A door closer whose movement is located within the closing process is shown in FIG. 7.
- the areas a, b, c are also shown in FIG. 7, as have already been mentioned in FIG. However, the areas have not been shown to scale for better understanding. In addition to the areas, the individual conditions have been indicated with large letters. Here means:
- a channel 42 in the spring piston 2 connects the piston chamber 22 to the spring chamber 21 via a pocket 61 in the door closer housing 5.
- a channel 41 also bridges the piston chamber 23 with the door piston chamber 24 via a pocket 53 0 be said that the length of a pocket is above when a pressure medium space is connected to another or closed.
- the channel 41 which is still in the area of the pocket 63 and thus comprises the upper part of the spring piston 2, but at the same time also the upper part of the door piston 3, is hydraulically inactive
- the spring piston displaces a larger amount of the hydraulic medium. than the smaller displacement surface 12 of the door piston 3 can take up at the same speed. This has the consequence that the door piston 3 moves away from the spring piston 2 at a higher speed than the spring piston 1 can move due to the force of the spring 1 derkotben 2 and Turko 3 less than 1
- both pistons reach the area a as a result of the closing process taking place.
- This area which is supposed to perform the actual closing of the door, must be provided with a significantly greater force. Again, this area has been shown much larger for better understanding to the previously described area, the channel 42 is now open via a pocket 22 that is now becoming active. At the same time, however, the channel 41 is blocked by the absence of a pocket. This measure means that only the upper part of the spring piston 2 and the Turk piston 3 become effective due to the facts .
- FIG. 10 The last part of the closing process is shown in FIG. 10.
- the door is closed and the door piston has reached its closed position Z, which is in the housing before the stop.
- the contact between the spring piston 2 and the door piston 3 has not yet been established.
- a pocket 64, the channel 45 and a channel 48 are switched through in such a way that a connection is established between the piston spaces 22 and 23.
- the strong throttling via a throttle 65 which is preferably located in the door piston 3, at the same time prevents the high pressure in the piston chamber 23 from dropping.
- the corresponding distance between the end position and the stop of the door piston 3 also simultaneously compensates for the distance between the spring piston 2 and the door piston 3, because at the start of this closing process corresponding tolerances between the door movement and the processes in the door closer can be compensated for
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Lock And Its Accessories (AREA)
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/DE1996/000185 WO1997029265A1 (de) | 1996-02-07 | 1996-02-07 | Turschliesser und verfahren zum betrieb eines turschliessers |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0879335A1 true EP0879335A1 (de) | 1998-11-25 |
EP0879335B1 EP0879335B1 (de) | 2002-05-02 |
Family
ID=6918326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96901703A Expired - Lifetime EP0879335B1 (de) | 1996-02-07 | 1996-02-07 | Turschliesser und verfahren zum betrieb eines turschliessers |
Country Status (5)
Country | Link |
---|---|
US (1) | US6266847B1 (de) |
EP (1) | EP0879335B1 (de) |
AT (1) | ATE217048T1 (de) |
DE (1) | DE59609167D1 (de) |
WO (1) | WO1997029265A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19538482C1 (de) * | 1995-10-17 | 1997-02-06 | Dorma Gmbh & Co Kg | Hydraulischer Servotürschließer |
ATE255832T1 (de) | 2000-01-14 | 2003-12-15 | Blum Gmbh Julius | Ausziehführungsgarnitur für schubladen |
US8225458B1 (en) | 2001-07-13 | 2012-07-24 | Hoffberg Steven M | Intelligent door restraint |
US20040107536A1 (en) * | 2002-12-06 | 2004-06-10 | Helmut Hollenstein | Closure device for movable furniture parts |
US8083304B2 (en) * | 2007-07-18 | 2011-12-27 | Accuride International, Inc. | Self closing mechanism for drawer slides |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3000043A (en) * | 1960-05-03 | 1961-09-19 | Yale & Towne Mfg Co | Door closer with back check |
US4115897A (en) * | 1977-10-11 | 1978-09-26 | Eaton Corporation | Zero force hold open door closer |
DE2751859A1 (de) * | 1977-11-21 | 1979-05-23 | Dorma Baubeschlag | Tuerschliesser |
DE3204975C1 (de) * | 1982-02-12 | 1983-05-19 | Echt & Co, Nachf. Schulte Kg, 5750 Menden | Doppelflueglige Tuer mit Schliessfolgeregelung |
FI70068C (fi) * | 1984-10-09 | 1986-09-12 | Waertsilae Oy Ab | Foerfarande och anordning foer instaellning av pao en doerr iniktad doerrstaengarkraft |
GB8618668D0 (en) * | 1986-07-31 | 1986-09-10 | Nouveaux Security Products Ltd | Door operating mechanism |
SE9200088L (sv) * | 1992-01-14 | 1993-06-21 | Leif Nordqvist | Doerrstaengare |
US5343593A (en) * | 1993-02-24 | 1994-09-06 | Emhart Inc. | Door closer |
US5502874A (en) * | 1994-08-11 | 1996-04-02 | Schlage Lock Company | Speed regulating valve for fluid filled door closers |
-
1996
- 1996-02-07 AT AT96901703T patent/ATE217048T1/de not_active IP Right Cessation
- 1996-02-07 EP EP96901703A patent/EP0879335B1/de not_active Expired - Lifetime
- 1996-02-07 DE DE59609167T patent/DE59609167D1/de not_active Expired - Fee Related
- 1996-02-07 US US09/125,067 patent/US6266847B1/en not_active Expired - Fee Related
- 1996-02-07 WO PCT/DE1996/000185 patent/WO1997029265A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9729265A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATE217048T1 (de) | 2002-05-15 |
US6266847B1 (en) | 2001-07-31 |
DE59609167D1 (de) | 2002-06-06 |
WO1997029265A1 (de) | 1997-08-14 |
EP0879335B1 (de) | 2002-05-02 |
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