EP2060715B1 - Fixing device for a door closer - Google Patents
Fixing device for a door closer Download PDFInfo
- Publication number
- EP2060715B1 EP2060715B1 EP08019412A EP08019412A EP2060715B1 EP 2060715 B1 EP2060715 B1 EP 2060715B1 EP 08019412 A EP08019412 A EP 08019412A EP 08019412 A EP08019412 A EP 08019412A EP 2060715 B1 EP2060715 B1 EP 2060715B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clamping
- cage
- clamping plate
- hold
- rod
- 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.)
- Revoked
Links
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- 238000007906 compression Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000000806 elastomer Substances 0.000 claims description 6
- 230000036316 preload Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
- E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
- E05C17/12—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod
- E05C17/24—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod pivoted at one end, and with the other end running along a guide member
- E05C17/28—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod pivoted at one end, and with the other end running along a guide member with braking, clamping or securing means at the connection to the guide member
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/56—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by magnetic or electromagnetic attraction or operated by electric or electromagnetic means
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- 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
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/12—Braking devices, e.g. checks; Stops; Buffers specially for preventing the closing of a wing before another wing has been closed
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05DÂ 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 present invention relates to a locking device for a door closer, which is intended to be mounted on a door leaf or on a door frame and a slide rail having a longitudinal direction in which a slider is movably guided in the longitudinal direction and over which the door leaf with the door frame via a Sliding arm is movably connected.
- a locking device for a door closer is known, the slider is guided in a slide rail, wherein the slider is lockable by means of a magnet arranged in the slide rail.
- a magnet arranged in the slide rail.
- a non-contact and therefore wear-free holding force can be generated.
- Mechanical, subject to wear aids, such as slide and stop cam or return springs are not required.
- the slider can be locked within the slide only at the predetermined position by the magnet, so that a free locking over a selectable within a larger opening angle of the door leaf locking point is not possible.
- a locking device for a door closer is known, which is infinitely adjustable in the holding force and offers the possibility, when the locking device and the connected door out of the locked position and bring back.
- the preassembled locking device is connected via screw elements with the slide rail. This results in a stepless Placement of the locking device along the entire slide rail, but this is set with the successful mounting structure and not changeable during operation of the door. Consequently, the determination of the door leaf results in a predetermined opening position, which is changeable only by a renewed mounting engagement in the door closer and in the fixed in the slide rail locking device.
- the determination of a door leaf is part of a closing sequence control device for a two-leaf door from the European patent specification EP 0 458 034 B1 known.
- the slide arms of two door wings are connected to respective sliders which are longitudinally slidably received in a respective slide rail.
- the slider associated with a wing is connected to a guided in the slide rail clamping bar, which is encompassed by a clamping plate which is spring-loaded on the one hand on a transferable from the door in the release position thrust member and on the other hand on a guided on the clamping rod overload member.
- the door closers are mounted on the hinge opposite side of the door leaf on the inactive leaf and the active leaf, wherein the thrust member is acted upon by a release lever, which is held by the inactive leaf in the closed position in a clamping position in the release position securing the release lever during opening movement of the inactive leaf in one of the locking position of the clamping plate analog position by a sliding tongue of the passive leaf associated slider is convertible.
- the advantage is achieved that it does not matter in which direction the clamping rod connected to the active leaf is displaced.
- the sliding movement of the sliding piece directed towards the door lock side at the beginning of the opening phase is used to pivot the release lever situated in the over-center position beyond its dead center position, this can be done either by the door itself or indirectly done via a push tongue, so that the force acting on the clamping plate thrust member and thereby allows the clamping plate loading spring allows to transfer in the overload member pivotally arranged clamping plate in an inclined position for clamping on the clamping rod, so that the active leaf held in its respective open position becomes.
- a mechanical determination of the active leaf is achieved until the inactive leaf assumes its closed position.
- the arrangement of a clamping bar extending through a clamping plate forms part of a closing sequence control device which is not known with the aid of known means for detecting a single door leaf in operative connection with a door closer.
- a release of the clamping action can only take place through the opposite door leaf, so that the release of the clamping action between the clamping rod and the clamping plate by a directed action, for example by the switching of an electrical signal, is not possible.
- the invention includes the technical teaching that the slider is connected to a longitudinally extending clamping bar and a clamping plate is provided, in which the clamping rod extends upon opening of the door leaf and for detecting the door leaf in the closing direction between the clamping rod and clamping plate a clamping effect can be achieved and by means of an electrical or mechanical device is releasable again.
- This can be a magnet, a motor or a mechanical arrangement.
- the invention is based on the idea of qualifying the clamping principle between clamping bar and clamping plate for a locking device of a door leaf and to take advantage of the free selectable locking position of the door leaf.
- the slider is connected to the clamp rod, so that upon movement of the slider, the clamp rod can move in both directions of movement. If, in an opening of the door leaf, the clamping rod is moved by moving the slider in the longitudinal direction, it can be inserted via one end side in the clamping plate. In the direction of movement in which the door leaf is opened, the clamping plate due to their inclusion in a receiving device on a non-clamping position.
- an electric solenoid is in operative connection with the clamping plate, so that it can transfer the clamping plate of the clamping position in the release position.
- the electric lifting magnet is mechanically connected to the clamping plate, which is held in current supply in a clamping position and is transferred in brinbefromung in a position releasing the clamping rod.
- this breaker circuit is achieved that when not energized, for example in a power failure in a building, a closure of the door leaf is possible.
- a solenoid for acting on a clamping plate in safety devices in buildings so that the door leaf is held in the open position during continuous energization of the Elekromagneten.
- the door leaf or a plurality of door leaves can be closed by respective non-energization of the electric lifting magnet.
- a development of the locking device according to the invention comprises a permanent magnet as a connection between the slider and the clamping rod, wherein at an opening of the door leaf beyond an opening point at which the clamping rod is guided in the maximum in the clamping plate, the connection via the permanent magnet releasably and the opening movement of the Door leaf is continuable.
- the slider is designed such that the clamping rod can be passed therethrough. Consequently, when the magnetic connection in the slide rail is released, the slider slides on in the opening direction of the door leaf, with the clamping rod passing through the slider.
- This device can then be usefully used if the door leaf, for example, for temporary short-term opening with a particularly large angle, which is greater than the maximum locking angle of the door leaf is opened. Furthermore, there is an overload protection of the locking device, because no excessive pressure force can be exerted on the clamping rod.
- the clamping plate is received in a cage, which is arranged lying in the longitudinal direction end to the slide rail.
- the cage consists of a frame-like metal or plastic body, which has at least one side an opening window through which the clamping plate can be reached.
- an elastomeric pad is inserted between the cage and a socket, wherein the cage is connected via the elastomeric pad and the base to the slide rail. Characterized a compliance between the slide rail and the cage is formed, wherein at a tensile load on the slider, the clamping bar and the clamping plate in the cage, the elastomeric pad forms an overload protection.
- the solenoid is finally arranged in the longitudinal direction of the cage, so that the base, the elastomeric pad, the cage and the solenoid form an end arranged on the slide locking device with cross-sectional dimensions that are smaller than or equal to the cross-sectional dimensions of the slide rail. Consequently, a very compact system of a locking device, wherein according to this embodiment, the locking device is not integrated in the slide is, but is attached to the side of the door hinge on the slide rail.
- a special feature of the locking device is the geometric design that is adapted to the slide, so that both the slide and the locking device can be enclosed with a uniform running housing.
- An advantageous connection between the lifting magnet and the clamping plate can be formed by a switching rod, which is connected at the first end with a lever element to a plunger of the lifting magnet and the second end with the clamping plate.
- the lever element merely forms the mechanical connection between the plunger of the lifting magnet and the shift rod.
- the clamping plate is arranged so that the shift rod can exert either a tensile or a compressive force on the clamping plate.
- the clamping plate is acted upon by a pressure spring designed with a weak spring force, which presses the clamping plate into the clamping position.
- guide rods are provided which are rigid and extend between the lifting magnet and the base, so that the cage is guided in the longitudinal direction. This results in a mobility of the cage against the elastomeric pad as soon as the clamping rod is loaded by an excessive traction. If the tensile load of the clamping rod is increased beyond the load, which results from a simple fixing of the door leaf, for example as a counterforce of the closing force of Door closer, so the elastomeric pad is compressed, and the cage moves away from the solenoid, which is arranged on the rigid guide rods fixed to the slide rail.
- a further embodiment of the locking device comprises a slide rail which has an upper and a lower chamber area, wherein the slide rail has a U-shaped cross section, and the lower chamber area represents the opening side of the U-shaped cross section.
- the clamping rod is accommodated in the lower chamber area, whereas the lifting magnet is accommodated in a parallel position to the clamping rod in the upper chamber area.
- the total length of the slide rail is not extended by the space of the locking device, but this includes a larger cross-section with two separable chamber areas. Consequently, there is a greater height of the slide, which is mounted either on the door frame or on the door leaf. However, the slide can be kept shorter, which offers advantages depending on the application.
- a clamping plate is provided which extends from the upper to the lower chamber portion of the slide rail, wherein the clamping plate in the lower chamber portion has a clamping hole for carrying out the clamping rod and in the upper chamber portion has an operative connection with the plunger of the lifting magnet ,
- the effect of the clamping plate for clamping with the clamping rod works according to the principle already described above by a change between a release position and a clamping position in which the clamping plate can tilt.
- the clamping plate is received in a cage which is arranged in extension of the clamping rod and is in operative connection with an overload device, which is provided in the extension of the longitudinal direction on the back of the cage.
- the overload device comprises an overload pressure spring through which a pull rod extends, to which the cage is connected for axial support. The connection between the pull rod and the cage can absorb both compressive and tensile forces, with the pull rod extending in extension of the longitudinal direction.
- the overload device has a mounting base, which is fixedly connected at the end to the slide rail and serves to support the overload pressure spring when subjected to pressure by the cage.
- the overload pressure spring is supported against the mounting base, so that when a compressive load of the clamping rod, which is transferable to the cage, the overload pressure spring can compress to accommodate load peaks. If the clamping plate is in clamping position with the clamping rod, then a pulling force exerted on the clamping rod can be transmitted to the cage. So that the cage is also cushioned with respect to the tensile load, a headband is provided, which is connected to the mounting base zuglastaufikid, wherein in tensile load of the drawbar through the cage, the overload pressure spring on the headband is compressible.
- an overload device is provided according to the second embodiment, which can be arranged within the slide, wherein at a tensile load of the clamping rod by compression of the overload pressure spring, a movement of the cage with the clamping plate can be made relative to the stationary lifting magnet. So that when a limit tensile load reaches the clamping connection of the clamping plate with the clamping rod dissolves.
- the clamping plate can be transferred by an overload of the clamping rod in the pulling direction of the clamping position in the release position. This is possible by a relative movement of the cage to the stationary lifting magnet, wherein the height of the release force, which is required to bring the clamping plate in the corresponding position of the release, by a geometric adjustment of the lifting magnet in the longitudinal direction is possible.
- FIG. 1 shows a locking device 1 according to a first embodiment of the present invention.
- the main body of the device forms a slide rail 2, which is designed for mounting on the door leaf or on the door frame.
- the slide rail 2 has a U-shaped cross section and extends in a longitudinal direction 3.
- a slider 4 is longitudinally movably received, on which a sliding arm is mounted to form a connection between the door closer and the slider 4.
- the slider 4 moves through the kinematic operative connection with the sliding arm along the slide rail 2.
- a continuous guide is provided, through which a clamping rod 5 extends therethrough. Consequently, the clamping rod 5 is concentric with the longitudinal direction 3 within the U-shaped profile of the slide rail 2.
- the clamping rod 5 moves together with the slider 4 along the slide rail 2, wherein by a permanent magnet. 8 a non-positive connection between the slider 4 and the clamping rod 5 is formed. A release of the connection between the slider 4 and the clamping rod 5 can be achieved by overcoming the magnetic force of the permanent magnet 8 in order to provide a Kochfahrhus the detection point in the opening movement of the door leaf. A more detailed description of the operation is given below.
- a cage 9 is arranged over a base 11 and an elastomer cushion 10 in extension of the longitudinal direction 3, in which a clamping plate 6 can be accommodated.
- the base 11, the elastomeric pad 10 and the cage 9 have a passage, through which the clamping rod 5 can extend during opening movement of the door leaf.
- the clamping plate 6 is arranged within the cage 9 such that the clamping rod 5 can move through a clamping bore, which is centrally placed in the clamping plate 6.
- Adjacent to the clamping plate 6, a compression spring 15 is arranged, which is also received within the cage 9.
- the clamping plate 6 is movably disposed within the cage 9 so that it can pivot between a release position and a clamping position.
- the clamping bar 5 moves in the opening direction of the door leaf into the clamping bore of the clamping plate 6. So this remains in the release position.
- Changes the direction of movement of the clamping rod 5 by stopping and then closing the door leaf the clamping plate 6 is transferred from the release position to the clamping position. Thereby, the clamping rod 5 and consequently the slider 4 is blocked by the clamping action between the clamping plate 6 and the clamping rod 5 to allow a determination of the door leaf at the given position.
- a locking device 1 is provided which allows a locking of the door leaf at any position within the angular range within which the clamping rod 5 corresponding thereto by the clamping plate. 6 extends through.
- a solenoid 7 which comprises a plunger 14 which can perform a lifting movement by electrical actuation of the solenoid 7.
- a shift rod 12 which is connected via a lever member 13 with the plunger 14 hubbeweglich extends.
- the plunger 14 In an energized state of the lifting magnet 7, the plunger 14 is extended in the direction of the slide rail 2. As a result, no tensile force is exerted on the shift rod 12, so that the clamping plate 6 in one Clamping position may remain.
- the plunger 14 Upon completion of the energization of the lifting magnet 7, the plunger 14 is pulled by a disposed within the lifting magnet 7 spring in this, so that the tensile force is transmitted via the lifting element 13 to the shift rod 12.
- the shift rod 12 By connecting the shift rod 12 with the clamping plate 6, this is transferred from the clamping position back to the release position, so that the determination of the door leaf is terminated by termination of the energization of the solenoid 7. Consequently, the door leaf can close, which can be used as part of a fire protection system within a building application. Nevertheless, the door leaf can be opened again so that the slider 4 moves in conjunction with the clamping rod 5 again in the direction of the clamping plate 6. The door leaf is opened over a first angle section, the clamping rod 5 moving freely within the slide rail 2.
- the clamping rod 5 Upon further opening of the door leaf, the clamping rod 5 is guided into a bore in the base 11 and in the elastomeric pad 10 and in the cage 9, and enters the clamping bore of the clamping plate 6. Consequently, the process of detection by the clamping between the clamping plate 6 and clamping rod. 5 be repeated as often as you like.
- the arrangement of the cage 9 via the elastomeric pad 10 on the base 11 and the operative connection with the lifting magnet 7 and the shift rod 12 comprises an overload device.
- guide rods 16 are provided which extend between the lifting magnet 7 and the base 11.
- the solenoid 7 is fixed relative to the base 11 is arranged.
- the cage 9 has through holes through which the rod guides 16 extend, so that the cage 9 with the clamping plate 6 in the longitudinal direction 3 can move slightly. The movement of the cage 9 takes place in the compression direction of the elastomeric pad 10 when a tensile load is applied to the clamping rod 5.
- the door leaf should be without termination of the energization of the solenoid 7 is closed.
- the tensile force is transmitted via the clamping rod 5 and the clamping plate 6 to the cage 9, so that it moves away from the lifting magnet 7.
- the solenoid 7 remains energized, so that the plunger 14 remains in the disengaged position.
- a tensile force is nevertheless exerted on the shift rod 12, since the cage 9 moves by the tensile force in the clamping rod 5 in the direction of the elastomeric pad 10. Consequently, the clamping plate 6 is transferred from the clamping position to the release position and releases the clamping rod 5.
- FIG. 2 shows a perspective view of the assembly of the locking device 1 with a slide rail 2, in the longitudinal direction 3, the slider 4 is guided.
- the connection between the clamping rod 5 and the slider 4 is effected by a permanent magnet 8, which is fixedly arranged at the end of the clamping rod 5.
- the door leaf is in the closed position, so that the clamping rod 5 is not yet inserted into the base 11, the elastomeric pad 10 and the cage 9 with the clamping plate 6. A determination of the door leaf can not be done in the position.
- FIG. 3 shows a position of the slider 4 within the slide rail 2, in which the clamping rod 5 is already guided into the clamping plate 6.
- the movement of the clamping rod 5 is limited by the end of the cage 9, since the clamping rod 5 abuts the front side of the back of the cage 9.
- Through the guided clamping rod 5 through the clamping plate 6 creates a locking position, so that the door leaf is detected in the manner described above in the direction of the closed position.
- FIG. 4 shows the locking device 1 in an open position of the door leaf, which is opened beyond the maximum detection point addition.
- FIG. 5 shows a second embodiment of a locking device 1 according to the present invention.
- This is shown in an exploded view, and comprises a slide rail 17, in which a slider 4 is guided longitudinally movable.
- the clamping rod 5 is connected via a permanent magnet 8 with the slider 4, wherein for guiding the clamping rod 5 by the slider 4, a bushing 27 is provided, through which the clamping rod 5 can slide therethrough.
- the slide rail 17 has an upper and a lower chamber portion, which has an overall U-shaped cross section and are housed in both components of the locking device in both the upper and in the lower chamber. This results in a larger overall height of the locking device 1, but also the components of the locking device and the overload device 20 can be integrated within the slide rail 17.
- the clamping rod 5 is received in the lower chamber area, which forms the opening side of the U-shaped cross-section, whereas the solenoid 7 is arranged parallel to the clamping rod 5 in the upper chamber area.
- a modified clamping plate 18 is provided which extends from the upper chamber into the lower chamber and in the lower chamber area a clamping hole for the passage of the clamping rod 5 and in the upper chamber area has an operative connection with the plunger 14 of the lifting magnet 7.
- the clamping plate 18 is received in a cage 19 which is arranged in extension of the clamping rod 5 and is in operative connection with an overload device 20, which is arranged in the extension of the longitudinal direction 3 on the back of the cage 19.
- the overload device 20 comprises an overload pressure spring 21, through which a pull rod 22 extends through, wherein the pull rod 22 of the cage 19 is connected to the axial support both for receiving a tensile and a compressive force.
- the drawbar 22 has a collar 25 on the opposite side of the cage 19, on which the overload pressure spring 21 can be supported via a drive plate 26. Consequently, the pull rod 22 is fixedly connected to the cage 19, wherein at the end of the overload device 20, a mounting base 23 is provided which is fixedly connected to the slide rail 17. If a tensile or compressive force is exerted on the clamping rod 5, it is transmitted to the cage 19 in a manner already described above by the clamping action of the clamping plate 18. Also in this embodiment, a compression spring 15 is provided which presses the clamping plate 18 in the clamping position. The clamping connection between the clamping rod 5 and the clamping plate 18 is carried out in the same manner as already described above.
- the overload device 20 further comprises a retaining clip 24, which is connected to the mounting base 23 to be glazed.
- the overload pressure spring 21 is compressed.
- the connection between the pull rod 22 and the overload pressure spring 21 takes place with a drive plate 26, so that the pull rod 22 serves as a tie rod guided centrally through the overload pressure spring 21. Consequently, the cage 19 moves in the longitudinal direction 3 relative to the lifting magnet 7 in the direction of the clamping rod 5, so that the clamping plate 18 is transferred by the displacement of the cage 19 relative to the plunger 14 of the lifting magnet 7 in the release position. This releases the clamping connection between the clamping plate 18 and the clamping rod 5, so that it is released.
- the overload pressure spring 21 Adjacent to the inside of the retaining bracket 24, the overload pressure spring 21 is arranged so that a compression of the overload pressure spring 21 can take place even when pressure is applied to the cage 19 in order to reduce load peaks.
- the opposite side of the overload pressure spring 21 is supported by the mounting base 23 which is fixedly connected to the slide rail 17.
- an overload device is created both under tensile load and under pressure loading of the clamping rod 5, wherein the pressure load is limited by the magnetic force of the permanent magnet 8.
- the direct pressure load on the cage 19 is effected by an abutment of the slider 4 to the front of the cage 19, so that the power flow does not occur through the clamping rod 5.
- FIG. 6 shows a perspective view of the locking device 1 according to the second embodiment of the invention, as this already in FIG. 5 has been described.
- the locking device 1 is shown in an open position of the door leaf, in which the clamping rod 5 has not yet reached the cage 19.
- the slider 4, the longitudinally movable in Longitudinal 3 is guided within the slide rail 2 is connected via the permanent magnet 8 with the clamping rod 5. Consequently, the clamping rod 5 moves synchronously with the slider 4 in the longitudinal direction. 3
- FIG. 7 shows the locking device 1 according to the Figures 5 and 6 , wherein the clamping rod 5 is already inserted into the clamping plate 18 within the cage 19 and a determination can be made. However, the slider 4 is still connected via the permanent magnet 8 fixed to the clamping rod 5, wherein the clamping rod 5 has already reached the stop within the cage 19 in the opening direction of the door leaf.
- FIG. 8 shows the locking device 1 in an open position of the door leaf, which has already exceeded the locking position of the maximum opening angle of the door leaf. Consequently, the slider 4 has detached from the permanent magnet 8, so that the clamping rod 5 remains in the maximum clamping position within the cage 19, and the slider 4 moves further in the direction of the overload device 20 along the longitudinal direction 3. Consequently, it is also possible according to the second embodiment of the locking device 1, a driving over the position in which the door leaf is opened to the maximum and a determination can be made.
- the invention is not limited in its execution to the above-mentioned embodiments. Rather, a number of variants is conceivable, which makes use of the solutions shown even in fundamentally different versions.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Lock And Its Accessories (AREA)
- Elevator Door Apparatuses (AREA)
Description
Die vorliegende Erfindung betrifft eine Feststellvorrichtung für einen Türschließer, der zur Montage an einem Türblatt oder an einem Türrahmen vorgesehen ist und eine Gleitschiene mit einer Längsrichtung aufweist, in der ein Gleitstück in der Längsrichtung beweglich geführt ist und über das das Türblatt mit dem Türrahmen über einen Gleitarm beweglich verbunden ist.The present invention relates to a locking device for a door closer, which is intended to be mounted on a door leaf or on a door frame and a slide rail having a longitudinal direction in which a slider is movably guided in the longitudinal direction and over which the door leaf with the door frame via a Sliding arm is movably connected.
Aus der
Aus der
Die Feststellung eines Türblattes ist als Bestandteil einer Schließfolgeregelvorrichtung für eine zweiflügelige Tür aus der europäischen Patentschrift
In Bezug auf die Schließfolgeregelvorrichtung wird der Vorteil erreicht, dass es unerheblich ist, in welcher Richtung die mit dem Gangflügel verbundene Klemmstange verschoben wird. Bei Öffnungsbewegung des Standflügels wird die am Beginn der Öffnungsphase zur Türschlossseite hin gerichtete Verschiebebewegung des Gleitstücks dazu genutzt, den in Übertotpunktlage befindlichen Auslösehebel über seine Totpunktlage hinaus zu verschwenken, dieses kann entweder durch den Türflügel selbst oder aber mittelbar über eine Schubzunge geschehen, sodass das auf die Klemmplatte einwirkende Schubglied zurückweicht und dadurch der die Klemmplatte belastenden Feder ermöglicht, die im Überlastglied schwenkbar angeordnete Klemmplatte in eine Schräglage zur Verklemmung an der Klemmstange zu überführen, sodass der Gangflügel in seiner jeweiligen Öffnungslage festgehalten wird. Damit wird eine mechanische Feststellung des Gangflügels erreicht, bis der Standflügel seine Schließposition einnimmt. Jedoch bildet die Anordnung einer Klemmstange, die sich durch eine Klemmplatte hindurch erstreckt, einen Bestandteil einer Schließfolgeregelvorrichtung, welche unter Zuhilfenahme bekannter Einrichtungen zur Feststellung eines einzelnen Türblattes in Wirkverbindung mit einem Türschließer nicht bekannt ist. Ein Lösen der Klemmwirkung kann lediglich durch den gegenüberliegenden Türflügel erfolgen, sodass das Lösen der Klemmwirkung zwischen der Klemmstange und der Klemmplatte durch eine gerichtete Aktion, beispielsweise durch das Schalten eines elektrischen Signals, nicht möglich ist.With regard to the closing sequence control device, the advantage is achieved that it does not matter in which direction the clamping rod connected to the active leaf is displaced. During opening movement of the inactive leaf, the sliding movement of the sliding piece directed towards the door lock side at the beginning of the opening phase is used to pivot the release lever situated in the over-center position beyond its dead center position, this can be done either by the door itself or indirectly done via a push tongue, so that the force acting on the clamping plate thrust member and thereby allows the clamping plate loading spring allows to transfer in the overload member pivotally arranged clamping plate in an inclined position for clamping on the clamping rod, so that the active leaf held in its respective open position becomes. Thus, a mechanical determination of the active leaf is achieved until the inactive leaf assumes its closed position. However, the arrangement of a clamping bar extending through a clamping plate forms part of a closing sequence control device which is not known with the aid of known means for detecting a single door leaf in operative connection with a door closer. A release of the clamping action can only take place through the opposite door leaf, so that the release of the clamping action between the clamping rod and the clamping plate by a directed action, for example by the switching of an electrical signal, is not possible.
Es ist daher die Aufgabe der vorliegenden Erfindung, eine Feststellvorrichtung für einen Türschließer zu schaffen, welcher die Feststellung eines Türblattes an einer frei wählbaren Position innerhalb eines vorgebbaren Winkelbereichs ermöglicht, wobei ferner ein Lösen der Feststellung des Türblattes durch eine gerichtete externe Aktion gefordert ist.It is therefore the object of the present invention to provide a locking device for a door closer, which allows the determination of a door leaf at a freely selectable position within a predeterminable angle range, wherein further solving the determination of the door leaf is required by a directed external action.
Diese Aufgabe wird ausgehend von einer Feststellvorrichtung für einen Türschließer gemäß dem Oberbegriff des Anspruches 1 in Verbindung mit den kennzeichnenden Merkmalen gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen angegeben.This object is achieved on the basis of a locking device for a door closer according to the preamble of
Die Erfindung schließt die technische Lehre ein, das das Gleitstück mit einer sich in Längsrichtung erstreckenden Klemmstange verbunden ist und eine Klemmplatte vorgesehen ist, in die sich die Klemmstange bei Öffnung des Türblattes hinein erstreckt und zur Feststellung des Türblattes in Schließrichtung zwischen Klemmstange und Klemmplatte eine Klemmwirkung erzielbar und mittels einer elektrischen oder mechanischen Vorrichtung wieder lösbar ist. Dies kann ein Magnet, ein Motor oder eine mechanische Anordnung sein. Bezugnehmend auf das in der Anmeldung beschriebene Ausführungsbeispiel wird zukünftig nur von einem Hubmagneten gesprochen, auch wenn mehrere Lösungen darunter fallen können.The invention includes the technical teaching that the slider is connected to a longitudinally extending clamping bar and a clamping plate is provided, in which the clamping rod extends upon opening of the door leaf and for detecting the door leaf in the closing direction between the clamping rod and clamping plate a clamping effect can be achieved and by means of an electrical or mechanical device is releasable again. This can be a magnet, a motor or a mechanical arrangement. With reference to the exemplary embodiment described in the application, only one solenoid will be used in the future, even if several solutions may be included.
Die Erfindung geht dabei von dem Gedanken aus, das Klemmprinzip zwischen Klemmstange und Klemmplatte für eine Feststellvorrichtung eines Türblattes zu qualifizieren und den Vorteil der frei wählbaren Feststellposition des Türblattes zu nutzen. Das Gleitstück ist mit der Klemmstange verbunden, sodass sich bei einer Bewegung des Gleitstücks die Klemmstange in beiden Bewegungsrichtungen mitbewegen kann. Wird bei einer Öffnung des Türblattes die Klemmstange durch Bewegen des Gleitstücks in Längsrichtung bewegt, kann diese über eine Endseite in die Klemmplatte eingeführt werden. In der Bewegungsrichtung, in der das Türblatt geöffnet wird, weist die Klemmplatte aufgrund ihrer Aufnahme in einer Aufnahmevorrichtung eine nicht klemmende Position auf. Wird die Bewegung der Klemmstange in Richtung der Öffnung des Türblattes gestoppt, und wird das Türblatt in Richtung der Schließstellung zurückbewegt, so erfolgt eine Umkehr der Bewegungsrichtung des Gleitstücks und damit der Klemmstange. Hierdurch erfolgt eine Überführung der Klemmplatte von einer Freigabeposition in eine Klemmposition, sodass sich die Klemmplatte wenigstens in einem kleinen Winkelbereich relativ zur Klemmstange schräg stellt und eine Klemmung hervorruft.The invention is based on the idea of qualifying the clamping principle between clamping bar and clamping plate for a locking device of a door leaf and to take advantage of the free selectable locking position of the door leaf. The slider is connected to the clamp rod, so that upon movement of the slider, the clamp rod can move in both directions of movement. If, in an opening of the door leaf, the clamping rod is moved by moving the slider in the longitudinal direction, it can be inserted via one end side in the clamping plate. In the direction of movement in which the door leaf is opened, the clamping plate due to their inclusion in a receiving device on a non-clamping position. If the movement of the clamping rod is stopped in the direction of the opening of the door leaf, and the door leaf is moved back in the direction of the closed position, there is a reversal of the direction of movement of the slider and thus the clamping bar. This results in a transfer of the clamping plate from a release position into a clamping position, so that the clamping plate is inclined at least in a small angular range relative to the clamping rod and causes a clamping.
Ferner ist vorgesehen, dass ein elektrischer Hubmagnet mit der Klemmplatte in Wirkverbindung steht, sodass dieser die Klemmplatte von der Klemmposition in die Freigabeposition ĂĽberfĂĽhren kann. Durch die Wahl eines elektrischen Hubmagneten als Aktor, der auf die Klemmplatte wirken kann, kann durch eine gerichtete externe Aktion in Form einer Bestromung oder Nichtbestromung des elektrischen Hubmagneten die Feststellung des TĂĽrblattes beendet werden.It is further provided that an electric solenoid is in operative connection with the clamping plate, so that it can transfer the clamping plate of the clamping position in the release position. By choosing an electric lifting magnet as an actuator that can act on the clamping plate, by a directed external action in the form of a current supply or Nichtbestromung the electric solenoid closing the determination of the door leaf.
Vorteilhafterweise ist der elektrische Hubmagnet mit der Klemmplatte mechanisch verbunden, wobei diese bei Bestromung in einer Klemmposition gehalten wird und bei Nichtbestromung in eine die Klemmstange freigebenden Position überführt wird. Durch diese Öffner-Schaltung wird erreicht, dass bei Nichtbestromung, beispielsweise bei Stromausfall in einem Gebäude, eine Schließung des Türblattes ermöglicht ist. Insbesondere geeignet ist die erfindungsgemäße Anordnung eines Hubmagneten zur Wirkung auf eine Klemmplatte bei Sicherheitseinrichtungen in Gebäuden, sodass bei Dauerbestromung des Elekromagneten das Türblatt in Offenstellung gehalten wird. Wird die Bestromung des elektrischen Hubmagneten beendet, beispielsweise durch eine gerichtete Aktion wie durch eine Brandschutzeinrichtung eines Gebäudes, kann das Türblatt oder eine Vielzahl von Türblättern durch jeweilige Nichtbestromung des elektrischen Hubmagneten geschlossen werden.Advantageously, the electric lifting magnet is mechanically connected to the clamping plate, which is held in current supply in a clamping position and is transferred in Nichtbefromung in a position releasing the clamping rod. Through this breaker circuit is achieved that when not energized, for example in a power failure in a building, a closure of the door leaf is possible. Particularly suitable is the inventive arrangement of a solenoid for acting on a clamping plate in safety devices in buildings, so that the door leaf is held in the open position during continuous energization of the Elekromagneten. If the energization of the electric lifting magnet is terminated, for example by a directed action such as by a fire protection device of a building, the door leaf or a plurality of door leaves can be closed by respective non-energization of the electric lifting magnet.
Eine Weiterbildung der erfindungsgemäßen Feststellvorrichtung umfasst einen Permanentmagneten als Verbindung zwischen dem Gleitstück und der Klemmstange, wobei bei einer Öffnung des Türblattes über einen Öffnungspunkt hinaus, an dem die Klemmstange maximal in die Klemmplatte hinein geführt ist, die Verbindung über den Permanentmagneten lösbar und die Öffnungsbewegung des Türblattes fortführbar ist. Das Gleitstück ist dabei derart ausgeführt, dass die Klemmstange durch dieses hindurchführbar ist. Folglich gleitet das Gleitstück beim Lösen der Magnetverbindung in der Gleitschiene in Öffnungsrichtung des Türblattes weiter, wobei die Klemmstange durch das Gleitstück hindurch verläuft. Diese Einrichtung kann dann sinnvoll genutzt werden, wenn das Türblatt beispielsweise für vorübergehende kurzzeitige Öffnung mit einem besonders großen Winkel, der größer ist als der maximale Feststellwinkel des Türblattes, geöffnet wird. Des Weiteren ergibt sich ein Überlastschutz der Feststellvorrichtung, da keine überhöhte Druckkraft auf die Klemmstange ausgeübt werden kann.A development of the locking device according to the invention comprises a permanent magnet as a connection between the slider and the clamping rod, wherein at an opening of the door leaf beyond an opening point at which the clamping rod is guided in the maximum in the clamping plate, the connection via the permanent magnet releasably and the opening movement of the Door leaf is continuable. The slider is designed such that the clamping rod can be passed therethrough. Consequently, when the magnetic connection in the slide rail is released, the slider slides on in the opening direction of the door leaf, with the clamping rod passing through the slider. This device can then be usefully used if the door leaf, for example, for temporary short-term opening with a particularly large angle, which is greater than the maximum locking angle of the door leaf is opened. Furthermore, there is an overload protection of the locking device, because no excessive pressure force can be exerted on the clamping rod.
Vorzugsweise ist die Klemmplatte in einem Käfig aufgenommen, der in Längsrichtung liegend endseitig an der Gleitschiene angeordnet ist. Der Käfig besteht aus einem rahmenartigen Metall- oder Kunststoffkörper, welcher zumindest einseitig ein Öffnungsfenster aufweist, durch das die Klemmplatte erreichbar ist. Dadurch entsteht der Vorteil, dass bei einer Fehlfunktion der Wirkverbindung zwischen Klemmplatte und Klemmstange die Klemmplatte auch außerhalb des Käfigs mit einem Werkzeug erreichbar ist, beispielsweise um die Klemmplatte mittels des Werkzeugs von einer Klemmposition in eine Freigabeposition zu überführen. Der Käfig ist in Verlängerung der Gleitschiene in Längsrichtung endseitig an dieser angeordnet, wobei die Querschnittsabmessungen des Käfigs kleiner oder gleich bemessen sind wie die Querschnittsabmessungen der Gleitschiene.Preferably, the clamping plate is received in a cage, which is arranged lying in the longitudinal direction end to the slide rail. The cage consists of a frame-like metal or plastic body, which has at least one side an opening window through which the clamping plate can be reached. This results in the advantage that in case of malfunction of the operative connection between clamping plate and clamping bar, the clamping plate is accessible outside the cage with a tool, for example, to transfer the clamping plate by means of the tool from a clamping position to a release position. The cage is arranged in extension of the slide in the longitudinal direction end to the latter, wherein the cross-sectional dimensions of the cage are dimensioned smaller or equal to the cross-sectional dimensions of the slide rail.
Gemäß einer weiteren vorteilhaften Ausführungsform der Feststellvorrichtung ist vorgesehen, dass ein Elastomerkissen zwischen dem Käfig und einem Sockel eingebracht ist, wobei der Käfig über das Elastomerkissen sowie über den Sockel mit der Gleitschiene verbunden ist. Dadurch wird eine Nachgiebigkeit zwischen der Gleitschiene und dem Käfig gebildet, wobei bei einer Zugbelastung über das Gleitstück, die Klemmstange und die Klemmplatte in den Käfig das Elastomerkissen eine Überlastsicherung bildet.According to a further advantageous embodiment of the locking device is provided that an elastomeric pad is inserted between the cage and a socket, wherein the cage is connected via the elastomeric pad and the base to the slide rail. Characterized a compliance between the slide rail and the cage is formed, wherein at a tensile load on the slider, the clamping bar and the clamping plate in the cage, the elastomeric pad forms an overload protection.
Der Hubmagnet ist in Längsrichtung abschließend am Käfig angeordnet, sodass der Sockel, das Elastomerkissen, der Käfig und der Hubmagnet eine endseitig an der Gleitschiene angeordnete Feststellvorrichtung mit Querschnittsabmessungen bilden, die kleiner oder gleich den Querschnittsabmessungen der Gleitschiene sind. Folglich entsteht ein sehr kompaktes System einer Feststellvorrichtung, wobei gemäß dieser Ausführungsform die Feststellvorrichtung nicht in der Gleitschiene integriert ist, sondern auf der Seite des Türbandes an der Gleitschiene angehängt ist. Besonderes Merkmal der Feststellvorrichtung ist die geometrische Ausbildung, die an die Gleitschiene angepasst ist, sodass sowohl die Gleitschiene als auch die Feststellvorrichtung mit einem gleichförmig ausgeführten Gehäuse umschlossen werden kann.The solenoid is finally arranged in the longitudinal direction of the cage, so that the base, the elastomeric pad, the cage and the solenoid form an end arranged on the slide locking device with cross-sectional dimensions that are smaller than or equal to the cross-sectional dimensions of the slide rail. Consequently, a very compact system of a locking device, wherein according to this embodiment, the locking device is not integrated in the slide is, but is attached to the side of the door hinge on the slide rail. A special feature of the locking device is the geometric design that is adapted to the slide, so that both the slide and the locking device can be enclosed with a uniform running housing.
Eine vorteilhafte Verbindung zwischen dem Hubmagneten und der Klemmplatte kann durch eine Schaltstange gebildet werden, die erstendseitig mit einem Hebelelement an einem Stößel des Hubmagneten und zweitendseitig mit der Klemmplatte verbunden ist. Das Hebelelement bildet lediglich die mechanische Verbindung zwischen dem Stößel des Hubmagneten sowie der Schaltstange. Auf der gegenüberliegenden Seite der Schaltstange ist die Klemmplatte angeordnet, sodass die Schaltstange entweder ein Zug- oder eine Druckkraft auf die Klemmplatte ausüben kann. Die Klemmplatte ist durch eine mit einer schwachen Federkraft ausgeführten Druckfeder beaufschlagt, die die Klemmplatte in die Klemmposition drückt. Damit wird lediglich eine Überführung der Klemmplatte von der Freigabeposition in die Klemmposition sichergestellt, wenn die Klemmstange eine Umkehr der Bewegungsrichtung ausführt. Folglich kann die Klemmplatte bei einer Öffnungsbewegung des Türblattes in der Freigabeposition verbleiben und bei Übergang von der Öffnungsbewegung in die Schließbewegung in die Klemmposition überführt werden, was durch die Druckfeder unterstützt wird.An advantageous connection between the lifting magnet and the clamping plate can be formed by a switching rod, which is connected at the first end with a lever element to a plunger of the lifting magnet and the second end with the clamping plate. The lever element merely forms the mechanical connection between the plunger of the lifting magnet and the shift rod. On the opposite side of the shift rod, the clamping plate is arranged so that the shift rod can exert either a tensile or a compressive force on the clamping plate. The clamping plate is acted upon by a pressure spring designed with a weak spring force, which presses the clamping plate into the clamping position. Thus, only a transfer of the clamping plate is ensured from the release position to the clamping position when the clamping rod performs a reversal of the direction of movement. Consequently, the clamping plate can remain at an opening movement of the door leaf in the release position and transferred at the transition from the opening movement in the closing movement in the clamping position, which is supported by the compression spring.
In einer weiteren Ausführungsform der erfindungsgemäßen Feststellvorrichtung sind Führungsstangen vorgesehen, die starr sind und sich zwischen dem Hubmagneten und dem Sockel erstrecken, sodass der Käfig in Längsrichtung geführt ist. Damit ergibt sich eine Beweglichkeit des Käfigs gegen das Elastomerkissen, sobald die Klemmstange durch eine überhöhte Zugkraft belastet wird. Wird die Zugbelastung der Klemmstange über die Belastung hinaus erhöht, die sich durch ein einfaches Feststellen des Türblattes ergibt, beispielsweise als Gegenkraft der Schließerkraft des Türschließers, so wird das Elastomerkissen komprimiert, und der Käfig entfernt sich vom Hubmagneten, der über die starren Führungsstangen ortsfest zur Gleitschiene angeordnet ist. In Folge dessen stellt sich eine Zugkraft in der Schaltstange ein, die die Klemmplatte mit dem ebenfalls ortsfesten Stößel des Hubmagneten verbindet. Bei einer weiteren Erhöhung der Zugkraft der Klemmstange und einer darauf folgenden weiteren Kompression des Elastomerkissens wird die Klemmplatte in die Freigabeposition überführt, da diese gegenüberliegend zum Anbindungspunkt der Schaltstange im Käfig aufgenommen ist, und der gleiche Löseeffekt der Klemmverbindung erzielt wird, wie bei einer Abschaltung der Bestromung des Elektromagneten. Im Ergebnis ergibt sich eine Überlastsicherung, sodass das Türblatt trotz Bestromung des Hubmagneten eine Schließbewegung ausführen kann, auch wenn die Klemmstange sich durch die Klemmplatte hindurch erstreckt.In a further embodiment of the locking device according to the invention guide rods are provided which are rigid and extend between the lifting magnet and the base, so that the cage is guided in the longitudinal direction. This results in a mobility of the cage against the elastomeric pad as soon as the clamping rod is loaded by an excessive traction. If the tensile load of the clamping rod is increased beyond the load, which results from a simple fixing of the door leaf, for example as a counterforce of the closing force of Door closer, so the elastomeric pad is compressed, and the cage moves away from the solenoid, which is arranged on the rigid guide rods fixed to the slide rail. As a result, a tensile force in the shift rod, which connects the clamping plate with the likewise stationary plunger of the solenoid. In a further increase in the tensile force of the clamping rod and a subsequent further compression of the elastomeric pad, the clamping plate is transferred to the release position, since this is received opposite to the connection point of the shift rod in the cage, and the same release effect of the clamping connection is achieved, as in a shutdown of Energization of the electromagnet. The result is an overload protection, so that the door leaf can perform a closing movement despite energization of the solenoid, even if the clamping rod extends through the clamping plate therethrough.
Eine weitere Ausführungsform der Feststellvorrichtung umfasst eine Gleitschiene, welche einen oberen und einen unteren Kammerbereich aufweist, wobei die Gleitschiene einen U-förmigen Querschnitt aufweist, und der untere Kammerbereich die Öffnungsseite des U-förmigen Querschnitts darstellt. Die Klemmstange ist in dem unteren Kammerbereich aufgenommen, wohingegen der Hubmagnet in paralleler Lage zur Klemmstange im oberen Kammerbereich untergebracht ist. Hierin ist eine weitere Ausführungsform des mechanischen Aufbaus der Feststellvorrichtung gegeben, bei dem sich die Gesamtlänge der Gleitschiene nicht durch den Bauraum der Feststellvorrichtung verlängert, diese jedoch einen größeren Querschnitt mit zwei voneinander trennbaren Kammerbereichen umfasst. Folglich ergibt sich eine größere Bauhöhe der Gleitschiene, die entweder am Türrahmen oder am Türblatt angebracht ist. Jedoch kann die Gleitschiene kürzer gehalten werden, was in Abhängigkeit vom Anwendungsfall Vorteile bietet.A further embodiment of the locking device comprises a slide rail which has an upper and a lower chamber area, wherein the slide rail has a U-shaped cross section, and the lower chamber area represents the opening side of the U-shaped cross section. The clamping rod is accommodated in the lower chamber area, whereas the lifting magnet is accommodated in a parallel position to the clamping rod in the upper chamber area. Herein is given a further embodiment of the mechanical construction of the locking device, wherein the total length of the slide rail is not extended by the space of the locking device, but this includes a larger cross-section with two separable chamber areas. Consequently, there is a greater height of the slide, which is mounted either on the door frame or on the door leaf. However, the slide can be kept shorter, which offers advantages depending on the application.
Aufgrund der parallelen Anordnung des Hubmagneten sowie der Klemmstange ist eine Klemmplatte vorgesehen, die sich vom oberen in den unteren Kammerbereich der Gleitschiene erstreckt, wobei die Klemmplatte im unteren Kammerbereich ein Klemmloch zur Durchführung der Klemmstange und im oberen Kammerbereich eine Wirkverbindung mit dem Stößel des Hubmagneten aufweist. Die Wirkung der Klemmplatte zur Klemmung mit der Klemmstange funktioniert nach dem bereits obenstehend beschriebenen Prinzip durch einen Wechsel zwischen einer Freigabeposition und einer Klemmposition, in dem sich die Klemmplatte verkippen kann. Auch in dieser Ausführungsform ist die Klemmplatte in einem Käfig aufgenommen, der in Verlängerung der Klemmstange angeordnet ist und mit einer Überlasteinrichtung in Wirkverbindung steht, die in Verlängerung der Längsrichtung rückseitig am Käfig vorgesehen ist. Die Überlasteinrichtung umfasst eine Überlastdruckfeder, durch die sich einen Zugstange hindurch erstreckt, an die der Käfig zur axialen Abstützung angebunden ist. Die Verbindung zwischen der Zugstange und dem Käfig kann sowohl Druck- als auch Zugkräfte aufnehmen, wobei sich die Zugstange in Verlängerung der Längsrichtung erstreckt.Due to the parallel arrangement of the solenoid and the clamping rod, a clamping plate is provided which extends from the upper to the lower chamber portion of the slide rail, wherein the clamping plate in the lower chamber portion has a clamping hole for carrying out the clamping rod and in the upper chamber portion has an operative connection with the plunger of the lifting magnet , The effect of the clamping plate for clamping with the clamping rod works according to the principle already described above by a change between a release position and a clamping position in which the clamping plate can tilt. Also in this embodiment, the clamping plate is received in a cage which is arranged in extension of the clamping rod and is in operative connection with an overload device, which is provided in the extension of the longitudinal direction on the back of the cage. The overload device comprises an overload pressure spring through which a pull rod extends, to which the cage is connected for axial support. The connection between the pull rod and the cage can absorb both compressive and tensile forces, with the pull rod extending in extension of the longitudinal direction.
Vorzugsweise weist die Überlasteinrichtung einen Befestigungssockel auf, der endseitig mit der Gleitschiene ortsfest verbunden ist und zur Abstützung der Überlastdruckfeder bei Druckbelastung durch den Käfig dient. Die Überlastdruckfeder ist gegen den Befestigungssockel abgestützt, sodass bei einer Druckbelastung der Klemmstange, die auf den Käfig übertragbar ist, die Überlastdruckfeder komprimieren kann, um Lastspitzen aufzunehmen. Befindet sich die Klemmplatte mit der Klemmstange in Klemmposition, so kann eine Zugkraft, die auf die Klemmstange ausgeübt wird, auf den Käfig übertragen werden. Damit der Käfig hinsichtlich der Zugbelastung ebenfalls abgefedert wird, ist ein Haltebügel vorgesehen, der zuglastaufnehmend mit dem Befestigungssockel verbunden ist, wobei bei Zugbelastung der Zugstange durch den Käfig die Überlastdruckfeder über den Haltebügel komprimierbar ist. Damit ergibt sich eine Anordnung, nach der sowohl bei Druck- als auch bei Zugbelastung der Klemmstange die Überlastdruckfeder komprimiert wird. Im Fall der Zugbelastung der Klemmstange wird die Zuglast über den Haltebügel an den Befestigungssockel übertragen, wobei durch die Verbindung des Käfigs mit der Zugstange die Zugkraft auf die Überlastdruckfeder übertragen wird. Hierfür weist die Zugstange einen Bund an der dem Käfig gegenüberliegenden Seite auf, an dem die Überlastdruckfeder über eine Mitnehmerscheibe abstützbar ist. Im Falle einer Druckbelastung der Klemmstange wandert die Zugstange durch die Verbindung mit dem Käfig in Richtung zum Befestigungssockel. Hierfür weist dieser eine in der Längsrichtung liegende Bohrung auf, durch die sich der Bund der Zugstange hindurch erstrecken kann. Ferner wandert der Haltebügel über den Befestigungssockel endseitig in Längsrichtung hinaus, sodass dieser lediglich einen geometrischen Umgriff aufweist, um Zugbelastungen aufzunehmen und bei Druckbelastungen zugleich eine Relativbewegung gegenüber dem Befestigungssockel auszuführen.Preferably, the overload device has a mounting base, which is fixedly connected at the end to the slide rail and serves to support the overload pressure spring when subjected to pressure by the cage. The overload pressure spring is supported against the mounting base, so that when a compressive load of the clamping rod, which is transferable to the cage, the overload pressure spring can compress to accommodate load peaks. If the clamping plate is in clamping position with the clamping rod, then a pulling force exerted on the clamping rod can be transmitted to the cage. So that the cage is also cushioned with respect to the tensile load, a headband is provided, which is connected to the mounting base zuglastaufnehmend, wherein in tensile load of the drawbar through the cage, the overload pressure spring on the headband is compressible. This results in an arrangement after the compression spring is compressed both in compression and tensile load of the clamping rod. In the case of tensile loading of the clamping rod, the tensile load is transferred to the mounting bracket via the retaining bracket, wherein the tensile force is transmitted to the overload pressure spring by the connection of the cage with the tie rod. For this purpose, the pull rod on a collar on the opposite side of the cage on which the overload pressure spring can be supported via a drive plate. In the event of a pressure load on the clamping rod, the tie rod moves through the connection with the cage in the direction of the mounting base. For this purpose, this has a lying in the longitudinal direction bore through which the collar of the tie rod can extend. Furthermore, the headband moves beyond the mounting base end in the longitudinal direction, so that it has only a geometric wrap around to absorb tensile loads and at the same time perform a relative movement relative to the mounting base under pressure loads.
Im Ergebnis wird gemäß der zweiten Ausführungsform eine Überlasteinrichtung geschaffen, die innerhalb der Gleitschiene angeordnet werden kann, wobei bei einer Zugbelastung der Klemmstange durch Kompression der Überlastdruckfeder eine Bewegung des Käfigs mit der Klemmplatte relativ zum ortsfesten Hubmagneten erfolgen kann. Sodass sich bei Erreichen einer Grenzzugbelastung die Klemmverbindung der Klemmplatte mit der Klemmstange löst. Wie bereits obenstehend beschrieben kann auch gemäß dieser Ausführungsform die Klemmplatte durch eine Überlastung der Klemmstange in Zugrichtung von der Klemmstellung in die Freigabestellung überführt werden. Dies ist durch eine Relativbewegung des Käfigs zum ortsfesten Hubmagneten möglich, wobei die Höhe der Lösekraft, die erforderlich ist, um die Klemmplatte in die entsprechende Position der Freigabe zu bringen, durch eine geometrische Justage des Hubmagneten in Längsrichtung möglich wird.As a result, an overload device is provided according to the second embodiment, which can be arranged within the slide, wherein at a tensile load of the clamping rod by compression of the overload pressure spring, a movement of the cage with the clamping plate can be made relative to the stationary lifting magnet. So that when a limit tensile load reaches the clamping connection of the clamping plate with the clamping rod dissolves. As already described above, according to this embodiment, the clamping plate can be transferred by an overload of the clamping rod in the pulling direction of the clamping position in the release position. This is possible by a relative movement of the cage to the stationary lifting magnet, wherein the height of the release force, which is required to bring the clamping plate in the corresponding position of the release, by a geometric adjustment of the lifting magnet in the longitudinal direction is possible.
Weitere, die Erfindung verbessernde Maßnahmen werden nachstehend gemeinsam mit der Beschreibung von zwei Ausführungsbeispielen der Erfindung anhand der Figuren näher dargestellt.Further, measures improving the invention will be described in more detail below together with the description of two embodiments of the invention with reference to FIGS.
Es zeigen:
- Figur 1:
- eine Explosionsdarstellung eines ersten Ausführungsbei- spiels einer Feststellvorrichtung gemäß der vorliegenden Er- findung;
- Figur 2:
- eine perspektivische Ansicht des Zusammenbaus der erfin- dungsgemäßen Feststellvorrichtung;
- Figur 3:
- eine Position des GleitstĂĽcks innerhalb der Gleitschiene, in der dieses mit der Klemmstange verbunden ist;
- Figur 4:
- die erfindungsgemäße Feststellvorrichtung in einer Öff- nungsposition des Türblattes, wobei das Gleitstück von der Klemmstange gelöst ist;
- Figur 5:
- eine Explosionsdarstellung eines zweiten Ausführungsbei- spiels der erfindungsgemäßen Feststellvorrichtung;
- Figur 6:
- eine perspektivische Ansicht des Zusammenbaus der erfin- dungsgemäßen Feststellvorrichtung gemäß
Figur 5 ; - Figur 7:
- die erfindungsgemäße Feststellvorrichtung gemäß den
Figu- , mit einem GleitstĂĽck, das mit der Klemmstange verbunden ist; undren 5 und 6 - Figur 8:
- die erfindungsgemäße Feststellvorrichtung gemäß den
Figu- in einer Öffnungsposition des Türblatts, wobei das Gleitstück von der Klemmstange gelöst ist.ren 5 und 6
- FIG. 1:
- an exploded view of a first embodiment of a locking device according to the present invention;
- FIG. 2:
- a perspective view of the assembly of the inventive locking device;
- FIG. 3:
- a position of the slider within the slide in which it is connected to the clamping rod;
- FIG. 4:
- the locking device according to the invention in an opening position of the door leaf, wherein the slider is released from the clamping rod;
- FIG. 5:
- an exploded view of a second embodiment of the invention locking device;
- FIG. 6:
- a perspective view of the assembly of the inventive locking device according to
FIG. 5 ; - FIG. 7:
- the locking device according to the invention according to the
FIGS. 5 and 6 with a slider connected to the clamp rod; and - FIG. 8:
- the locking device according to the invention according to the
FIGS. 5 and 6 in an opening position of the door panel, wherein the slider is released from the clamping bar.
Endseitig an der Gleitschiene 2 ist über einen Sockel 11 und ein Elastomerkissen 10 in Verlängerung der Längsrichtung 3 ein Käfig 9 angeordnet, in dem eine Klemmplatte 6 aufgenommen werden kann. Der Sockel 11, das Elastomerkissen 10 sowie der Käfig 9 weisen einen Durchgang auf, durch den sich die Klemmstange 5 bei Öffnungsbewegung des Türblattes hindurch erstrecken kann. Die Klemmplatte 6 ist innerhalb des Käfigs 9 derart angeordnet, dass sich die Klemmstange 5 durch eine Klemmbohrung, die mittig in der Klemmplatte 6 eingebracht ist, hindurch bewegen kann. Angrenzend an die Klemmplatte 6 ist eine Druckfeder 15 angeordnet, die ebenfalls innerhalb des Käfigs 9 aufgenommen ist.At the end of the
Die Klemmplatte 6 ist derart beweglich innerhalb des Käfigs 9 angeordnet, dass diese zwischen einer Freigabeposition und einer Klemmposition schwenken kann. Bewegt sich die Klemmstange 5 in Öffnungsrichtung des Türblattes in die Klemmbohrung der Klemmplatte 6 hinein. So verbleibt diese in Freigabeposition. Wechselt die Bewegungsrichtung der Klemmstange 5 durch ein Stoppen und anschließendes Schließen des Türblattes, so wird die Klemmplatte 6 von der Freigabeposition in die Klemmposition überführt. Dadurch wird die Klemmstange 5 und folglich das Gleitstück 4 durch die Klemmwirkung zwischen der Klemmplatte 6 und der Klemmstange 5 blockiert, um eine Feststellung des Türblattes an der gegebenen Position zu ermöglichen. Durch die freie Strecke, über der die Klemmstange 5 durch die Klemmplatte 6 geklemmt werden kann, wird eine Feststellvorrichtung 1 geschaffen, die ein Feststellen des Türblattes an einer beliebigen Position innerhalb des Winkelbereiches ermöglicht, innerhalb dessen sich die Klemmstange 5 korrespondierend hierzu durch die Klemmplatte 6 hindurch erstreckt.The clamping
Rückseitig am Käfig 9 ist ein Hubmagnet 7 angebracht, welcher einen Stößel 14 umfasst, der durch elektrische Betätigung des Hubmagneten 7 eine Hubbewegung ausführen kann. Zwischen dem Stößel 14 des Hubmagneten 7 und der Klemmplatte 6 erstreckt sich eine Schaltstange 12, die über ein Hebelelement 13 mit dem Stößel 14 hubbeweglich verbunden ist. In einem bestromten Zustand des Hubmagneten 7 ist der Stößel 14 in Richtung zur Gleitschiene 2 ausgefahren. Dadurch wird auf die Schaltstange 12 keine Zugkraft ausgeübt, sodass die Klemmplatte 6 in einer Klemmposition verbleiben kann. Bei Beendigung der Bestromung des Hubmagneten 7 wird der Stößel 14 durch eine innerhalb des Hubmagneten 7 angeordnete Feder in diesen hineingezogen, sodass die Zugkraft über das Hebelement 13 auf die Schaltstange 12 übertragen wird. Durch die Verbindung der Schaltstange 12 mit der Klemmplatte 6 wird diese von der Klemmposition wieder in die Freigabeposition überführt, sodass die Feststellung des Türblattes durch Beendigung der Bestromung des Hubmagneten 7 beendet wird. Folglich kann das Türblatt schließen, das als Bestandteil einer Brandschutzeinrichtung innerhalb eines Gebäudes Anwendung finden kann. Dennoch kann erneut das Türblatt geöffnet werden kann, sodass sich das Gleitstück 4 in Verbindung mit der Klemmstange 5 wieder in Richtung der Klemmplatte 6 bewegt. Über einen ersten Winkelabschnitt wird das Türblatt geöffnet, wobei sich die Klemmstange 5 frei innerhalb der Gleitschiene 2 bewegt. Bei weiterer Öffnung des Türblattes wird die Klemmstange 5 in eine Bohrung im Sockel 11 sowie im Elastomerkissen 10 und im Käfig 9 hindurch geführt, und gelangt in die Klemmbohrung der Klemmplatte 6. Folglich kann der Vorgang der Feststellung durch die Klemmung zwischen Klemmplatte 6 und Klemmstange 5 beliebig häufig wiederholt werden.On the back of the
Ferner umfasst die Anordnung des Käfigs 9 über das Elastomerkissen 10 am Sockel 11 sowie die Wirkverbindung mit dem Hubmagneten 7 und der Schaltstange 12 eine Überlasteinrichtung. Hierfür sind Führungsstangen 16, vorgesehen, die sich zwischen dem Hubmagneten 7 und dem Sockel 11 erstrecken. Damit wird der Hubmagnet 7 ortsfest relativ zum Sockel 11 angeordnet. Der Käfig 9 weist Durchgangsbohrungen auf, durch die sich die Stangenführungen 16 hindurch erstrecken, sodass sich der Käfig 9 mit der Klemmplatte 6 in Längsrichtung 3 geringfügig bewegen kann. Die Bewegung des Käfigs 9 erfolgt in Kompressionsrichtung des Elastomerkissens 10, wenn auf die Klemmstange 5 eine Zugbelastung gegeben wird. Diese kann beispielsweise durch eine Kraft in Schließrichtung des Türblattes erfolgen, sollte das Türblatt ohne Beendigung der Bestromung des Hubmagneten 7 geschlossen wird. Die Zugkraft wird über die Klemmstange 5 und die Klemmplatte 6 auf den Käfig 9 übertragen, sodass sich dieser vom Hubmagneten 7 wegbewegt. Der Hubmagnet 7 bleibt weiter bestromt, sodass der Stößel 14 in der Ausrückstellung verbleibt. Durch die Bewegung des Käfigs 9 weg vom Hubmagneten 7 wird dennoch eine Zugkraft auf die Schaltstange 12 ausgeübt, da sich der Käfig 9 durch die Zugkraft in der Klemmstange 5 in Richtung des Elastomerkissens 10 bewegt. Folglich wird die Klemmplatte 6 von der Klemmposition in die Freigabeposition überführt und gibt die Klemmstange 5 frei. Damit kann eine Kraft, die beispielsweise durch eine Person auf das Türblatt in Schließrichtung ausgeübt wird, nicht zu einer Beschädigung der Feststellvorrichtung 1 führen, da bei Erreichen einer Grenzzugkraft in der Klemmstange 5 die Klemmplatte 6 in die Freigabeposition überführbar ist.Further, the arrangement of the
Die Klemmstange 5 ist im unteren Kammerbereich aufgenommen, welcher die Öffnungsseite des U-förmigen Querschnitts bildet, wohingegen der Hubmagnet 7 parallel zur Klemmstange 5 im oberen Kammerbereich angeordnet ist. Hierdurch ist eine modifizierte Klemmplatte 18 vorgesehen, die sich vom oberen in den unteren Kammerbereich hinein erstreckt und im unteren Kammerbereich ein Klemmloch zur Durchführung der Klemmstange 5 und im oberen Kammerbereich eine Wirkverbindung mit dem Stößel 14 des Hubmagneten 7 aufweist. Auch in diesem Ausführungsbeispiel ist die Klemmplatte 18 in einem Käfig 19 aufgenommen, der in Verlängerung der Klemmstange 5 angeordnet ist und mit einer Überlasteinrichtung 20 in Wirkverbindung steht, die in Verlängerung der Längsrichtung 3 rückseitig am Käfig 19 angeordnet ist.The clamping
Die Überlasteinrichtung 20 umfasst eine Überlastdruckfeder 21, durch die sich eine Zugstange 22 hindurch streckt, wobei an die Zugstange 22 der Käfig 19 zur axialen Abstützung sowohl zur Aufnahme einer Zug- als auch einer Druckkraft angebunden ist. Die Zugstange 22 weist einen Bund 25 an der dem Käfig 19 gegenüberliegenden Seite auf, an dem die Überlastdruckfeder 21 über eine Mitnehmerscheibe 26 abstützbar ist. Folglich ist die Zugstange 22 fest mit dem Käfig 19 verbunden, wobei endseitig an der Überlasteinrichtung 20 ein Befestigungssockel 23 vorgesehen ist, der ortsfest mit der Gleitschiene 17 verbunden ist. Wird eine Zug- bzw. Druckkraft auf die Klemmstange 5 ausgeübt, so wird diese durch die Klemmwirkung der Klemmplatte 18 auf bereits obenstehend beschriebene Weise auf den Käfig 19 übertragen. Auch in diesem Ausführungsbeispiel ist eine Druckfeder 15 vorgesehen, die die Klemmplatte 18 in die Klemmposition drückt. Die Klemmverbindung zwischen der Klemmstange 5 und der Klemmplatte 18 erfolgt auf gleiche Weise wie bereits oben stehend beschrieben.The
Die Überlasteinrichtung 20 umfasst ferner einen Haltebügel 24, der zuglastaufnehmend mit dem Befestigungssockel 23 verbunden ist. Bei Zugbelastung der Zugstange 22, die über die Klemmstange 5, den Käfig 19 und die Klemmplatte 18 auf diese übertragen wird, wird die Überlastdruckfeder 21 komprimiert. Die Verbindung zwischen der Zugstange 22 und der Überlastdruckfeder 21 erfolgt mit einer Mitnehmerscheibe 26, sodass die Zugstange 22 als ein mittig durch die Überlastdruckfeder 21 hindurch geführter Zuganker dient. Folglich wandert der Käfig 19 in Längsrichtung 3 relativ zum Hubmagneten 7 in Richtung zur Klemmstange 5, sodass die Klemmplatte 18 durch die Ortsverschiebung des Käfigs 19 relativ zum Stößel 14 des Hubmagneten 7 in die Freigabeposition überführt wird. Damit löst sich die Klemmverbindung zwischen der Klemmplatte 18 und der Klemmstange 5, sodass diese freigegeben ist. Wird hingegen beispielsweise durch eine Kraft, die auf das Türblatt in Öffnungsrichtung ausgeübt wird, eine Druckkraft auf die Klemmstange 5 ausgeübt, so stößt diese an den Anschlag des Käfigs 19 an, und überträgt die Druckkraft auf den Haltebügel 24. Angrenzend an die Innenseite des Haltbügels 24 ist die Überlastdruckfeder 21 angeordnet, sodass eine Kompression der Überlastdruckfeder 21 auch bei Druckbelastung auf den Käfig 19 erfolgen kann, um Lastspitzen abzubauen. Die Gegenseite der Überlastdruckfeder 21 wird durch den Befestigungssockel 23 abgestützt, der fest mit der Gleitschiene 17 verbunden ist.The
Im Ergebnis wird sowohl bei Zugbelastung als auch bei Druckbelastung der Klemmstange 5 eine Überlasteinrichtung geschaffen, wobei die Druckbelastung durch die Magnetkraft des Permanentmagneten 8 begrenzt ist. Die direkte Druckbelastung auf den Käfig 19 erfolgt durch einen Anstoß des Gleitstücks 4 an die Vorderseite des Käfigs 19, sodass der Kraftfluss nicht durch die Klemmstange 5 erfolgt.As a result, an overload device is created both under tensile load and under pressure loading of the clamping
Die Erfindung beschränkt sich in ihrer Ausführung nicht auf die vorstehend angegebenen Ausführungsbeispiele. Vielmehr ist eine Anzahl von Varianten denkbar, welche von den dargestellten Lösungen auch bei grundsätzlich anders gearteten Ausführungen Gebrauch macht.The invention is not limited in its execution to the above-mentioned embodiments. Rather, a number of variants is conceivable, which makes use of the solutions shown even in fundamentally different versions.
- 11
- FeststellvorrichtungLocking device
- 22
- Gleitschieneslide
- 33
- Längsrichtunglongitudinal direction
- 44
- GleitstĂĽckslide
- 55
- Klemmstangeclamping rod
- 66
- Klemmplatteclamp
- 77
- Hubmagnetsolenoid
- 88th
- Permanentmagnetpermanent magnet
- 99
- KäfigCage
- 1010
- Elastomerkissenelastomeric pad
- 1111
- Sockelbase
- 1212
- Schaltstangeshift rod
- 1313
- Hebelelementlever member
- 1414
- Stößeltappet
- 1515
- Druckfedercompression spring
- 1616
- FĂĽhrungsstangeguide rod
- 1717
- Gleitschieneslide
- 1818
- Klemmplatteclamp
- 1919
- KäfigCage
- 2020
- ĂśberlasteinrichtungOverload device
- 2121
- ĂśberlastdruckfederOverload spring
- 2222
- Zugstangepull bar
- 2323
- Befestigungssockelmounting base
- 2424
- HaltebĂĽgelheadband
- 2525
- BundFederation
- 2626
- Mitnehmerscheibedriver disc
- 2727
- BuchseRifle
Claims (19)
- A hold-open device (1) for a door closer, which is intended to be mounted to a door leaf or to a door frame and has a slide channel (2) having a longitudinal direction (3), in which channel a slider (4) is guided to be movable in the longitudinal direction (3) and the door leaf is connected via said slider to the door frame to be movable via a slide arm, characterized in that the slider (4) is connected to a clamping rod (5) extending in longitudinal direction (3) and a clamping plate (6) is provided, into which, when opening the door leaf, the clamping rod (5) extends, and in that, for holding the door leaf open in closing direction, a clamping action can be achieved between the clamping rod (5) and the clamping plate (6), and is releasable again by means of an electrical or mechanical device.
- The hold-open device (1) according to claim 1, characterized in that the device for releasing the clamping action is a lifting magnet (7).
- The hold-open device (1) according to claim 2, characterized in that the electrical lifting magnet (7) is mechanically connected to the clamping plate (6) and, when being energized, retains the latter in a clamping position, and, when not being energized, conveys the plate into a position releasing the clamping rod (5).
- The hold-open device (1) according to claim 1 to 3, characterized in that the slider (4) is connected to the clamping rod (5) via a permanent magnet (8), wherein, when opening the door leaf beyond an opening point, at which the clamping rod (5) is introduced to the maximum into the clamping plate (6), the connection via the permanent magnet (8) is releasable and the opening movement of the door leaf can be continued.
- The hold-open device (1) according to any of the claims 1 to 4, characterized in that the clamping plate (6) is received in a cage (9), which is disposed horizontally in longitudinal direction (3) at the end side of the slide channel (2).
- The hold-open device (1) according to claim 5, characterized in that an elastomer pad (10) is provided, which connects the cage (9) to the slide channel (2) via a base (11) while building resiliency, wherein the elastomer pad (10) forms an overload protection for a tensile load exerted into the cage (9) via the slider (4), the clamping rod (5) and the clamping plate (6).
- The hold-open device (1) according to claim 6, characterized in that the lifting magnet (7) is disposed in longitudinal direction (3) terminating at the cage (9), such that the base (11), the elastomer pad (10), the cage (9) and the electromagnet (7) form a hold-open device (1), which is disposed at the terminal side of the slide channel (2) and has cross-sectional dimensions, which are smaller than or equal to the cross-sectional dimensions of the slide channel (2).
- The hold-open device (1) according to one of the aforementioned claims, characterized in that an actuating rod (12) is disposed between the lifting magnet (7) and the clamping plate (6) for forming a mechanical connection, which actuating rod (12), with a first end, is connected with a lever element (13) to a tappet (14) of the lifting magnet (7) and the second end is connected the clamping plate (6).
- The hold-open device (1) according to any of the claims 5 to 8, characterized in that a pressure spring (15) is disposed in the cage (9) adjacent to the clamping plate (6) and preloads the plate in the clamping position.
- The hold-open device (1) according to any of the claims 6 to 9, characterized in that guiding rods (16) are provided between the lifting magnet (7) and the base (11), which guide at least the cage (9) in longitudinal direction (3), in order to allow for the cage (9) to be movable against the elastomer pad (10).
- The hold-open device (1) according to claim 10, characterized in that, when the clamping rod (5) is under a tensile load by non-positive closure via the clamping plate (6), a movement of the cage (9) can be generated in the direction of the elastomer pad (10), and releasing the clamped connection of the clamping plate (6) to the clamping rod (5) is effected by the stationary actuating rod (12), in order to provide an overload protection.
- The hold-open device (1) according to any of the claims 1 to 4, characterized in that a slide channel (17) with an upper and a lower chamber area is provided, which has a U-shaped cross-section, wherein the lower chamber area represents the opening side of the U-shaped cross-section and receives the clamping rod (5) and in that the lifting magnet (7) is disposed in parallel to the clamping rod (5) in the upper chamber area.
- The hold-open device (1) according to claim 12, characterized in that a clamping plate (18) is provided, which extends from the upper chamber area into the lower one, wherein the clamping plate (18) in the lower chamber area has a clamping hole for the passage of the clamping rod (5) and, in the upper chamber area, has an operative connection with the tappet (14) of the lifting magnet (7).
- The hold-open device (1) according to claim 12 or 13, characterized in that the clamping plate (18) is received in a cage (19), which is disposed in continuation of the clamping rod (5) and is in operative connection with an overload device (20), which is disposed in continuation of the longitudinal direction (3) at the rear side of the cage (19).
- The hold-open device (1) according to claim 14, characterized in that the overload device (20) comprises an overload pressure spring (21) through which extends a traction rod (22) to which the cage (19) is connected for axial support.
- The hold-open device (1) according to claim 14 or 15, characterized in that the overload device (20) has a fastening base (23), which at the terminal side is stationarily connected to the slide channel (17) and serves to support the overload pressure spring (21) in case of pressure load by the cage (19).
- The hold-open device (1) according to claim 16, characterized in that the overload device (20) has a retaining bracket (24), which is connected to the fastening base (23) in a tensile load absorbing manner, wherein, when the traction rod (22) is under the tensile load by the cage (19), the overload pressure spring (21) can be compressed via the retaining bracket (24).
- The hold-open device (1) according to one of the claims 15 to 17, characterized in that, at the side opposite the cage (19), the traction rod (22) has a collar (25), at which the overload pressure spring (21) can be supported via a catch plate (26).
- The hold-open device (1) according to one of the claims 14 to 17, characterized in that the overload device (20) is disposed within the slide channel (17), wherein, when the clamping rod (5) is under tensile load by the compression of the overload pressure spring (21), a movement of the cage (19) with the clamping plate (18) in relation to the stationary lifting magnet (7) is effected such that, when reaching a tensile load limit, the clamped connection of the clamping plate (18) to the clamping rod (5) is released.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007055354.6A DE102007055354B4 (en) | 2007-11-19 | 2007-11-19 | Locking device for a door closer |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2060715A2 EP2060715A2 (en) | 2009-05-20 |
EP2060715A3 EP2060715A3 (en) | 2011-01-26 |
EP2060715B1 true EP2060715B1 (en) | 2012-05-23 |
Family
ID=40130914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08019412A Revoked EP2060715B1 (en) | 2007-11-19 | 2008-11-06 | Fixing device for a door closer |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2060715B1 (en) |
DE (1) | DE102007055354B4 (en) |
ES (1) | ES2386211T3 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TR201807280T4 (en) * | 2014-12-18 | 2018-06-21 | Wilh Schlechtendahl & Soehne Gmbh & Co Kg | Opening limiting device. |
CN111946189A (en) * | 2020-08-11 | 2020-11-17 | 王芬芬 | Fireproof door closing device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4016283C1 (en) | 1990-05-21 | 1991-09-19 | Dorma Gmbh & Co Kg, 5828 Ennepetal, De | |
DE19606204C1 (en) | 1996-02-21 | 1997-05-22 | Dorma Gmbh & Co Kg | Electromechanical restraint for door with automatic door closer |
FI102100B (en) * | 1997-03-26 | 1998-10-15 | Abloy Oy | Door closing arrangement for double doors |
FI20010955A0 (en) | 2001-05-08 | 2001-05-08 | Abloy Oy | Synchronization arrangement for closing double swing doors |
DE102005020997B4 (en) | 2005-05-03 | 2010-04-01 | Dorma Gmbh + Co. Kg | Locking device for a rotary wing of a door |
-
2007
- 2007-11-19 DE DE102007055354.6A patent/DE102007055354B4/en not_active Expired - Fee Related
-
2008
- 2008-11-06 EP EP08019412A patent/EP2060715B1/en not_active Revoked
- 2008-11-06 ES ES08019412T patent/ES2386211T3/en active Active
Also Published As
Publication number | Publication date |
---|---|
DE102007055354B4 (en) | 2022-10-13 |
EP2060715A2 (en) | 2009-05-20 |
DE102007055354A1 (en) | 2009-05-20 |
ES2386211T3 (en) | 2012-08-13 |
EP2060715A3 (en) | 2011-01-26 |
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