EP3683393B1 - Door actuator - Google Patents
Door actuator Download PDFInfo
- Publication number
- EP3683393B1 EP3683393B1 EP19152193.9A EP19152193A EP3683393B1 EP 3683393 B1 EP3683393 B1 EP 3683393B1 EP 19152193 A EP19152193 A EP 19152193A EP 3683393 B1 EP3683393 B1 EP 3683393B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motion
- angle
- rotation
- distancing
- door actuator
- 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.)
- Active
Links
- 239000012530 fluid Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000000994 depressogenic effect Effects 0.000 claims 2
- 125000006850 spacer group Chemical group 0.000 description 88
- 238000013016 damping Methods 0.000 description 10
- 238000007373 indentation Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
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
- E05F15/00—Power-operated mechanisms for wings
- E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
- E05F15/53—Power-operated mechanisms for wings using fluid-pressure actuators for swinging wings
-
- 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
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
-
- 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
- E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
- E05F11/54—Man-operated mechanisms for operating wings, including those which also operate the fastening for doors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
- E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
- E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
- E05F3/104—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction with cam-and-slide transmission between driving shaft and piston within the closer housing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/638—Cams; Ramps
-
- 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
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/706—Shafts
-
- 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
- E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
- E05Y2600/40—Mounting location; Visibility of the elements
- E05Y2600/46—Mounting location; Visibility of the elements in or on the wing
-
- 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
- E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
- E05Y2600/60—Mounting or coupling members; Accessories therefor
- E05Y2600/634—Spacers
-
- 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
- E05Y2800/26—Form or shape
- E05Y2800/28—Form or shape tubular, annular
-
- 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 door operator for opening and / or closing a door leaf.
- Door actuators can be designed as door closers, servo door closers or door drives, for example.
- the door operator can be arranged above the door leaf or as a floor spring. It is also possible to arrange a door operator in a hinge of the door.
- the type of door operator considered here has a cam disk.
- the cam disk is located on the output shaft.
- the output shaft is connected to the door leaf directly or via a linkage.
- Moving elements are arranged in the door operator on both sides of the cam disk, for example designed as damping pistons and opening pistons.
- the movement elements can be moved linearly in the door operator.
- the rotary movement of the output shaft is converted to the linear movement of the movement elements and vice versa via the cam disk
- the object is thus achieved by a door operator for opening and / or closing a door leaf.
- the door operator comprises a housing and an output shaft rotatably mounted in the housing with a cam disk.
- the cam disk can be an integral part of the output shaft or, for example, it can be attached to the shaft.
- the output shaft is designed to transmit torque to the door leaf.
- the output shaft can be connected directly to the door leaf or to a linkage, for example via a polygon. The linkage then leads in turn to the door leaf.
- first movement element and a second movement element are guided in a linearly movable manner in the housing.
- the first movement element has a first contact surface.
- the second movement element has a second contact surface.
- the two contact surfaces are preferably each formed by a roller that is rotatably arranged in the moving element.
- the two contact surfaces are arranged on the cam disk for rolling.
- the cam disk is located between the two movement elements and thus between the two contact surfaces.
- the two contact surfaces roll on two opposite sides of the cam disk on the cam disk.
- the door operator can be designed, for example, as a door closer, servo door closer or door drive.
- the two movement elements in the housing of the door operator can basically be moved passively, for example by applying spring force, or actively, for example by hydraulic pressure.
- the movement of the movement elements is converted into a rotary movement of the output shaft via the cam disk.
- the force applied to the door leaf is transferred into a rotary movement of the output shaft.
- This rotational movement of the output shaft in turn leads over the Cam disc to a linear movement of the two movement elements.
- the first movement element is designed in particular as an opening piston.
- This opening piston is preferably spring-loaded with a first spring (closing spring) in such a way that the first spring presses the first movement element in the direction of the cam disk.
- the spring is tensioned.
- the energy stored in the spring can be used to move the first movement element in the direction of the cam disk and thus to close the door.
- the first spring is also provided. The spring is not only tensioned by manual actuation of the door, but an opening of the door leaf is recognized and actuators in the door operator are activated, which in turn apply the full or partial force to tension the spring.
- the first spring can then be relaxed in order to move the first movement element in the direction of the cam disk.
- the second movement element is designed in particular as a damping piston.
- a damping piston In particular, there is a hydraulic chamber in the housing. By moving the damping piston, fluid is displaced from the hydraulic chamber through a throttle, which results in damping of the movement of the damping piston and thus also damping of the rotary movement of the output shaft.
- the two movement elements can basically be linearly moved independently of one another, so that the distance between the two movement elements can basically change.
- both contact surfaces are always in contact with the cam disk.
- This has the advantage that the geometry of the cam disk can be selected relatively freely and the cam disk accordingly does not have to have the same diameter between the contact points and the contact surfaces for every rotational angle position.
- the cam disk can have a pointed area. This pointed area is usually present at a rotation angle position of 0 ° (closed door leaf) on the second contact surface, for example the damping piston.
- the radius of the cam disk at this pointed area is relatively small, so that there is a relatively high surface load on the cam disk.
- the door operator comprises a spacer arrangement arranged in the housing.
- the spacer arrangement is designed in such a way that it limits the minimum distance between the movement elements in at least one restriction angle of rotation range of the output shaft. With the restriction of the minimum distance, it is described here that with this restriction the two movement elements cannot move any further towards one another. An increase in the distance between the two moving elements, that is to say moving the two moving elements away from one another, is not restricted by the spacing arrangement.
- at least one free rotation angle range of the output shaft is defined. In this at least one free angle of rotation range, the linear mobility of the two movement elements is not restricted by the spacer arrangement.
- the two movement elements can be moved so far towards one another, without being restricted by the spacing arrangement, that both contact surfaces on the cam disk issue.
- the spacer arrangement is designed in such a way that only one of the two contact surfaces rests against the cam disk and the other contact surface is spaced apart from the cam disk. This spacing of one contact surface from the cam disk avoids the surface pressure described above.
- the spacer arrangement is designed in particular in such a way that both contact surfaces rest on the cam disk in each free rotation angle range.
- the two movement elements for example designed as opening pistons and damping pistons, can be moved in different ways in the housing.
- both movement elements can each be moved in the direction of the cam disk with a spring.
- the design and arrangement of the springs is chosen so that the first contact surface (of the first movement element) rests against the cam disk and the second contact surface (of the second movement element) is spaced apart from the cam disk in the rotational angle restriction range.
- the spring force acting on the first movement element is greater than the spring force acting on the second movement element.
- the cam disk is heart-shaped.
- This heart shape is characterized by a pointed area of the cam disk and a recess area of the cam disk opposite the pointed area.
- the pointed area of the cam disk is in particular at a rotational angle position of 0 °. With the angle of rotation position of 0 °, the closed state of the door leaf is described in particular.
- the indentation area of the heart-shaped cam disk does not have to lie exactly opposite the pointed area, but is located approximately in the area of 180 °, starting from a pointed area at 0 °. In particular, the center of the depression area lies between 120 and 240 °.
- the angle of rotation position of 0 ° of the cam disk or the output shaft thus relates in particular to a closed state of the door leaf.
- the pointed area of the heart-shaped cam disk defines the angle of rotation position of 0 °, so that, based on this pointed area, corresponding angular areas of the cam disk can be defined.
- the rotational angle positions and rotational angle ranges defined here thus also correspond to angular positions and angular ranges on the cam disk.
- the cam disk is heart-shaped and has a pointed area, the pointed area being directed towards the second contact surface at a rotational angle position of 0 °.
- a first restriction angle of rotation range is in particular between -10 ° and + 10 °, preferably between -5 ° and + 5 °. These values indicate upper limits for the described restriction angle of rotation range, which can also be smaller.
- the first restriction angle of rotation range extends essentially over the tip area of the cam disk.
- the corresponding configuration of the spacer arrangement ensures that the second contact surface is spaced apart from the cam disk in the first restriction angle of rotation range and the surface pressure is accordingly reduced here. This is particularly advantageous if the door operator is designed for an oscillating movement of the door leaf.
- the door leaf With the swinging movement of the door leaf, the door leaf can swing back and forth or be moved beyond its closed position.
- the cam disk moves through the 0 ° position in an oscillating movement, which would always result in a very stressful contact with the second contact surface without the spacer arrangement according to the invention.
- the cam disk is heart-shaped and has the recess area, the center of the recess area being directed towards the second contact surface at a rotational angle position of V.
- V lies between 120 ° and 240 °.
- the spacer arrangement is preferably designed for a second restriction angle of rotation range which lies between V -45 ° and V + 45 °, preferably between V -30 ° and V + 30 °.
- upper limits are again given for the second restriction angle of rotation range, it also being possible for the second restriction angle of rotation range to be smaller.
- the spacer arrangement comprises at least one spacer element, the spacer element being linearly guided in one of the two movement elements.
- the spacer element is designed in such a way that it strikes this movement element, in which it is guided in a linearly movable manner, in the restriction angle of rotation range.
- the spacer element can also be guided so as to be linearly movable on both movement elements and then correspondingly strike both movement elements in the restriction angle of rotation range.
- the spacer element is guided in a linearly movable manner on only one movement element and is firmly connected to the other movement element.
- At least two of the spacer elements are provided. These two spacer elements then simultaneously also serve to prevent the two movement elements from rotating relative to one another. However, such a security against rotation can also be achieved with only one spacer element; for example if the spacer element does not have a round cross-section in its linearly guided area.
- the at least one movement element in which the spacer element is guided in a linearly movable manner preferably has a recess.
- the spacer element is inserted in this recess and is accordingly guided in a linearly movable manner in the recess.
- the spacer element has a shoulder. This paragraph serves as a stop and strikes the moving element in order to limit the minimum distance.
- the at least one spacer element is designed here in particular as a rod.
- the rod can be firmly connected in one of the two fastening elements, for example by means of a thread or a press fit.
- the rod is linearly moveable in a hole in the movement element.
- the two spacer elements are arranged on two different sides of the output shaft.
- the imaginary output axis around which the output shaft rotates thus runs between the two spacer elements.
- the spacer arrangement comprises a spacer cam disk on the output shaft and a spacer element.
- the spacer cam disk has a different contour than the cam disk described above.
- the spacer cam disk can directly adjoin the cam disk or be spaced from the cam disk.
- the spacer element is located on the second movement element.
- the spacer element is firmly connected to the second movement element or is formed integrally with the second movement element.
- the spacer element according to this second variant does not extend as far as the other movement element, but only as far as the spacer cam disk.
- the spacer cam rests against the spacer element.
- the contour of the spacer cam disk is designed in such a way that it has no contact with the spacer element in the free angle of rotation range, but only comes into contact with the spacer element in the at least one restricted angle of rotation range.
- the spacer element and the spacer cam disk are arranged and designed in such a way that the cam disk and the second contact surface are spaced apart from one another in the restriction angle of rotation range.
- the door operator includes an additional anti-rotation device between the two movement elements.
- This anti-rotation device can be formed, for example, by at least two rods.
- the rods are guided to be linearly movable in at least one movement element and have no stops, so that the rods only ensure anti-rotation protection, but no distance restriction between the two movement elements.
- the rods of the anti-rotation device can run in a constriction of the output shaft between the cam disk and the spacer cam disk.
- the radius at the pointed area of the spacer cam disk is larger than the radius at the pointed area of the cam disk. Due to this relatively large radius at the tip area of the Spacer cam disk, an excessive surface load between the spacer cam disk and the associated spacer element is avoided.
- the radius at the pointed area of the spacer cam disk is at least 20% larger than the radius at the pointed area of the cam disk.
- Fig. 1 shows a schematic representation of the entire door operator 1 for the first embodiment.
- the door operator 1 is designed in the same way, only with the changes that are based on the Figures 8-11 to be described for the second embodiment.
- Fig. 1 shows a schematic sectional view of the door operator 1 with its housing 2.
- an output shaft 4 is rotatably mounted in the housing 2.
- the output shaft 4 is rotatable about an output axis 3.
- a cam disk 5 is located on the output shaft 4.
- the cam disk 5 and the output shaft 4 are located between a first movement element 6 and a second movement element 11.
- the first movement element 6 is designed here as an opening piston.
- the second movement element 11 is designed here as a damping piston.
- the entire door operator 1 is designed as a door closer.
- the two movement elements 6, 11 are guided in the housing 2 in a linearly movable manner perpendicular to the output shaft 3.
- the first movement element 6 has a first roller 8.
- the circumferential surface of the first roller 8 forms a first contact surface 7.
- the first roller 8 is mounted in the first movement element 6 so that it can rotate about a first roller axis 9.
- the first roller axis 9 extends parallel to the output axis 3.
- the second movement element 11 has a second roller 13.
- the circumferential surface of the second roller 13 forms a second contact surface 12.
- the second roller 13 is mounted in the second movement element 11 such that it can rotate about a second roller axis 14.
- the second roller axis 14 extends parallel to the output axis 3.
- the door operator 1 also has a first spring 10.
- the first spring 10 serves here as a closing spring.
- the first spring 10 is arranged in the housing 2 on a side of the first movement element 6 facing away from the cam disk 5.
- the first spring 10 is supported against the first movement element 6; on the other hand, the first spring 10 can be supported against the housing 2 or a spring setting (not shown).
- this first spring 10 is tensioned.
- the door operator 1 further comprises a second spring 15 in the housing 2.
- the second spring 15 is located on the side of the second movement element 11 facing away from the cam disk 5.
- One side of the second spring 15 is supported on the second movement element 11.
- the arrangement of the two springs 10, 15 is shown in FIG Fig. 1 shown only schematically.
- Fig. 1 purely schematically, a hydraulic chamber 16 within the housing 2.
- the second movement element 11 can displace fluid from the hydraulic chamber 16 during its linear movement, as a result of which the movement of the second movement element 11 is damped.
- roller shafts 18 extend along the first and second roller axes 9, 14, respectively.
- these roller shafts 18 are inserted into the respective movement element 6, 11 and secured against falling out with bolts 17.
- These bolts 17 then extend correspondingly perpendicular to the roller axes 9, 14.
- FIG. 1 a spacer arrangement 20 on or between the two movement elements 6, 11.
- FIG Figures 2 to 7 The detailed configuration of the spacer arrangement 20 according to the first exemplary embodiment is shown in FIG Figures 2 to 7 .
- the spacer arrangement 20 comprises two spacer elements 21, here designed as rods.
- Each spacer element 21 has an extension 22.
- This extension 22 is linearly movable in a recess 23 in the second movement element 11.
- the spacer elements 21 are firmly connected to the first movement element 6.
- the two movement elements 6, 11 are basically movable relative to one another perpendicular to the output shaft 3.
- the individual spacer element 21 has a shoulder 24.
- This shoulder 24 can strike the second movement element 11 at the desired minimum distance.
- the representation in Fig. 5 shows that with a corresponding angle of rotation position, a distance between the shoulder 24 of the spacer element 21 and the second movement element 11 can result.
- Fig. 2 shows the cam disk 5 in a plane perpendicular to the output axis 3. It can be clearly seen here that the cam disk 5 is configured in the shape of a heart. This heart shape has a pointed area 30 and an opposing depression area 31. In the position shown after Fig. 2 the pointed region 30 is directed towards the second contact surface 12. In this position, the door leaf is in particular in its closed position. Accordingly, this angle of rotation position of the door leaf and the output shaft 4 and the cam disk 5 is described as 0 °.
- a first restriction angle of rotation range 33 is defined. This first restriction angle of rotation range 33 extends in particular over the pointed area 30 of the cam disk 5. Approximately opposite, a second restriction angle of rotation area 34 is defined. The second restriction angle of rotation range 34 extends approximately over the recess area 31 of the cam disk 5. The precise angle ranges for the two restriction rotation angle ranges 33, 34 have been defined in the general part. Two free-rotation angle areas 35 are located between the two restriction angle of rotation areas 33, 34.
- Fig. 2 In the representation according to Fig. 2 the door operator is in the angle of rotation position of 0 ° and thus within the first restriction angle of rotation range 33.
- the spacer arrangement 22 is designed here so that the shoulder 24 rests on the second movement element 11 and the distance 32 is thus limited. This results in a distance 36 between the second contact surface 12 and the cam disk 5, as a result of which an excessive surface load in the pointed region 30 is avoided.
- the Fig. 3 , 4th , 6th and 7th show in the manner of a magnifying glass the area between the second roller 13 and the cam disk 5 in an enlarged view.
- Fig. 3 is the same as in Fig. 2 the 0 ° angle of rotation position is shown.
- the distance 36 between the second contact surface 12 and the pointed region 30 of the cam disk 5 can be seen.
- Fig. 4 shows the transition from the first restriction angle of rotation range 33 to the adjacent free rotation angle range 35. During this movement, the distance 36 decreases continuously until the second contact surface 12 comes into contact with the cam disk 5.
- Fig. 5 shows the door operator 1 in the free rotation angle range 35, in which the contact between the second contact surface 12 and the cam disk 5 is available.
- the distance 32 between the two movement elements 6, 11 has increased here. Accordingly, the shoulder 24 is no longer in contact with the second movement element 11. Both rollers 8, 13 and thus both contact surfaces 7, 12 roll on the cam disk 5.
- Fig. 6 shows the transition from the free angle of rotation range 35 to the second restricted angle of rotation range 34.
- the second contact surface 12 is still in contact with the cam disk 5.
- Fig. 7 the second restriction rotation angle range 34 is shown.
- the spacer arrangement 20 limits the distance 32 again to a minimum distance, so that the distance 36 is established between the second contact surface 12 and the cam disk 5.
- the second roller 13 does not fall into the recess region 31 of the heart-shaped cam disk 5.
- Fig. 8 shows, in a perspective view, two anti-rotation devices 37, designed as rods. These two anti-rotation locks 37 are inserted in the two movement elements 6, 11 and are guided in these two movement elements 6, 11 in a linearly movable manner. However, the anti-rotation locks 37 do not have a stop that would prevent contact between one of the contact surfaces 7, 12 and the cam disk 5. The two anti-rotation locks 37 are only used this ensures that the two movement elements 6, 11 do not rotate about an axis which is perpendicular to the output axis 3.
- the spacer arrangement 20 of the second exemplary embodiment comprises a spacer element 21 which, however, is only inserted in the second movement element 11 here.
- the spacer element 21 is firmly connected to the second movement element 11 here.
- the spacer element 21 could also be an integral part of the second movement element 11.
- the spacer arrangement 20 here comprises a spacer cam disk 38 on the output shaft 4.
- the spacer cam disk 38 is spaced apart from the cam disk 5.
- the two anti-rotation locks 37 run between the spacer cam disk 38 and the cam disk 5.
- the spacer element 21 and the spacer cam disk 38 are designed and arranged here in such a way that they touch in the first and second restricting rotational angle range 33, 34 and thereby restrict the distance 32. In the two free rotation angle regions 35, there is no contact between the spacer element 21 and the spacer cam disk 38.
- the spacer element 21 simultaneously fulfills the function of the bolt 17, since the spacer element 21 is arranged in such a way that it secures the roller shaft 18 of the second roller 13 from falling out.
- Figures 9 to 11 show representations in a plane perpendicular to the output shaft 3 for the second exemplary embodiment.
- Fig. 9 shows the first restriction angle of rotation range 33.
- the spacer cam 38 and the spacer element 21 are in contact and limit the distance 32 so that the distance 36 between the second contact surface 12 and the cam disk 5 occurs.
- Fig. 10 shows one of the two free rotation angle ranges 35.
- both contact surfaces 7, 12 are in contact with the cam disk 5.
- the spacer cam disk 38 and the spacer element 21 do not move.
- Fig. 11 shows the second restriction angle of rotation range 34, in which the distance 36 is again set by a contact between spacer element 21 and spacer cam disk 38.
- the spacer cam disk 38 is also designed in the shape of a heart and accordingly has a pointed area and an opposite indentation area.
- a radius 39 at the pointed area of the spacer cam disk 38 is preferably designed larger than a radius 40 at the pointed area 30 of the cam disk 5.
Landscapes
- Transmission Devices (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Description
Die Erfindung betrifft einen Türbetätiger zum Öffnen und/oder Schließen eines Türflügels.The invention relates to a door operator for opening and / or closing a door leaf.
Türbetätiger können beispielsweise als Türschließer, Servotürschließer oder Türantriebe ausgebildet sein. Der Türbetätiger kann über dem Türflügel oder als Bodentürschließer angeordnet werden. Des Weiteren ist es möglich, einen Türbetätiger in einem Scharnier der Tür anzuordnen. Die hier betrachtete Art von Türbetätigern weist eine Nockenscheibe auf. Die Nockenscheibe befindet sich auf der Abtriebswelle. Die Abtriebswelle wird direkt oder über ein Gestänge mit dem Türflügel verbunden. Beidseitig der Nockenscheibe sind im Türbetätiger Bewegungselemente angeordnet, beispielsweise ausgebildet als Dämpfungskolben und Öffnungskolben. Die Bewegungselemente sind im Türbetätiger linear beweglich. Über die Nockenscheibe erfolgt eine Umsetzung der rotatorischen Bewegung der Abtriebswelle auf die Linearbewegung der Bewegungselemente und umgekehrtDoor actuators can be designed as door closers, servo door closers or door drives, for example. The door operator can be arranged above the door leaf or as a floor spring. It is also possible to arrange a door operator in a hinge of the door. The type of door operator considered here has a cam disk. The cam disk is located on the output shaft. The output shaft is connected to the door leaf directly or via a linkage. Moving elements are arranged in the door operator on both sides of the cam disk, for example designed as damping pistons and opening pistons. The movement elements can be moved linearly in the door operator. The rotary movement of the output shaft is converted to the linear movement of the movement elements and vice versa via the cam disk
Insbesondere offenbaren die Veröffentlichungen
Es ist eine Aufgabe vorliegender Erfindung einen Türbetätiger zum Öffnen und/oder Schließen eines Türflügels anzugeben, der bei einfachem Aufbau wartungsarm und verschleißarm betrieben werden kann und dabei ein sicheres Öffnen und/oder Schließen des Türflügels ermöglicht.It is an object of the present invention to specify a door actuator for opening and / or closing a door leaf, which can be operated with a simple structure with little maintenance and little wear and thereby enables the door leaf to be opened and / or closed reliably.
Die Lösung der Aufgabe erfolgt durch die Merkmale des unabhängigen Anspruchs. Die abhängigen Ansprüche haben vorteilhafte Ausgestaltungen der Erfindung zum Gegenstand.The problem is solved by the features of the independent claim. The dependent claims relate to advantageous embodiments of the invention.
Somit wird die Aufgabe gelöst durch einen Türbetätiger zum Öffnen und/oder Schließen eines Türflügels. Der Türbetätiger umfasst ein Gehäuse und eine im Gehäuse drehbar gelagerte Abtriebswelle mit einer Nockenscheibe. Die Nockenscheibe kann integraler Bestandteil der Abtriebswelle sein oder z.B. auf die Welle aufgesteckt sein. Die Abtriebswelle ist zur Drehmomentübertragung auf den Türflügel ausgebildet. Hierzu kann die Abtriebswelle, beispielsweise über einen Mehrkant, direkt mit dem Türflügel oder mit einem Gestänge verbunden werden. Das Gestänge führt dann wiederum zum Türflügel.The object is thus achieved by a door operator for opening and / or closing a door leaf. The door operator comprises a housing and an output shaft rotatably mounted in the housing with a cam disk. The cam disk can be an integral part of the output shaft or, for example, it can be attached to the shaft. The output shaft is designed to transmit torque to the door leaf. For this purpose, the output shaft can be connected directly to the door leaf or to a linkage, for example via a polygon. The linkage then leads in turn to the door leaf.
Des Weiteren sind in dem Gehäuse ein erstes Bewegungselement und ein zweites Bewegungselement linear beweglich geführt. Das erste Bewegungselement weist eine erste Kontaktfläche auf. Das zweite Bewegungselement weist eine zweite Kontaktfläche auf. Vorzugsweise sind die beiden Kontaktflächen jeweils durch eine im Bewegungselement drehbeweglich angeordnete Rolle gebildet. Die beiden Kontaktflächen sind zum Abwälzen auf der Nockenscheibe angeordnet. Hierzu befindet sich die Nockenscheibe zwischen den beiden Bewegungselementen und somit zwischen den beiden Kontaktflächen. Insbesondere wälzen die beiden Kontaktflächen auf zwei gegenüberliegenden Seiten der Nockenscheibe auf der Nockenscheibe ab.Furthermore, a first movement element and a second movement element are guided in a linearly movable manner in the housing. The first movement element has a first contact surface. The second movement element has a second contact surface. The two contact surfaces are preferably each formed by a roller that is rotatably arranged in the moving element. The two contact surfaces are arranged on the cam disk for rolling. For this purpose, the cam disk is located between the two movement elements and thus between the two contact surfaces. In particular, the two contact surfaces roll on two opposite sides of the cam disk on the cam disk.
Der Türbetätiger kann beispielsweise als Türschließer, Servotürschließer oder Türantrieb ausgebildet sein. Die beiden Bewegungselemente im Gehäuse des Türbetätigers können grundsätzlich passiv, beispielsweise durch Beaufschlagung mit Federkraft, oder aktiv, beispielsweise durch Hydraulikdruck bewegt werden. Die Bewegung der Bewegungselemente wird über die Nockenscheibe in eine rotatorische Bewegung der Abtriebswelle umgesetzt. In der umgekehrten Richtung, beispielsweise beim manuellen Öffnen des Türflügels, überträgt sich die auf den Türflügel aufgebrachte Kraft in eine rotatorische Bewegung der Abtriebswelle. Diese rotatorische Bewegung der Abtriebswelle führt wiederum über die Nockenscheibe zu einer Linearbewegung der beiden Bewegungselemente.The door operator can be designed, for example, as a door closer, servo door closer or door drive. The two movement elements in the housing of the door operator can basically be moved passively, for example by applying spring force, or actively, for example by hydraulic pressure. The movement of the movement elements is converted into a rotary movement of the output shaft via the cam disk. In the opposite direction, for example when the door leaf is opened manually, the force applied to the door leaf is transferred into a rotary movement of the output shaft. This rotational movement of the output shaft in turn leads over the Cam disc to a linear movement of the two movement elements.
Bei der Ausbildung des Türbetätigers als Türschließer ist das erste Bewegungselement insbesondere als Öffnungskolben ausgebildet. Dieser Öffnungskolben ist dabei vorzugsweise mit einer ersten Feder (Schließfeder) derart federbelastet, sodass die erste Feder das erste Bewegungselement in Richtung der Nockenscheibe drückt. Beim Öffnen des Türflügels wird die Feder gespannt. Die dabei in der Feder gespeicherte Energie kann zum Bewegen des ersten Bewegungselementes in Richtung der Nockenscheibe und somit zum Schließen der Tür genutzt werden. Bei der Ausgestaltung des Türbetätigers als Servotürschließer ist ebenfalls die erste Feder vorgesehen. Das Spannen der Feder erfolgt dabei jedoch nicht ausschließlich durch die manuelle Betätigung der Türe, sondern es wird ein Öffnen des Türflügels erkannt und dadurch eine Aktuatorik im Türbetätiger aktiviert, die wiederum die vollständige oder teilweise Kraft zum Spannen der Feder aufbringt. Zum Schließen des Türflügels kann dann die erste Feder entspannt werden, um das erste Bewegungselement in Richtung der Nockenscheibe zu bewegen.When the door operator is designed as a door closer, the first movement element is designed in particular as an opening piston. This opening piston is preferably spring-loaded with a first spring (closing spring) in such a way that the first spring presses the first movement element in the direction of the cam disk. When the door is opened, the spring is tensioned. The energy stored in the spring can be used to move the first movement element in the direction of the cam disk and thus to close the door. When the door operator is designed as a servo door closer, the first spring is also provided. The spring is not only tensioned by manual actuation of the door, but an opening of the door leaf is recognized and actuators in the door operator are activated, which in turn apply the full or partial force to tension the spring. To close the door leaf, the first spring can then be relaxed in order to move the first movement element in the direction of the cam disk.
Das zweite Bewegungselement ist insbesondere als Dämpfungskolben ausgebildet. Insbesondere befindet sich im Gehäuse eine Hydraulikkammer. Durch Bewegen des Dämpfungskolbens wird Fluid aus der Hydraulikkammer durch eine Drossel verdrängt, wodurch es zur Dämpfung der Bewegung des Dämpfungskolbens und somit auch zur Dämpfung der Drehbewegung der Abtriebswelle kommt.The second movement element is designed in particular as a damping piston. In particular, there is a hydraulic chamber in the housing. By moving the damping piston, fluid is displaced from the hydraulic chamber through a throttle, which results in damping of the movement of the damping piston and thus also damping of the rotary movement of the output shaft.
Die beiden Bewegungselemente sind grundsätzlich unabhängig voneinander linearbeweglich, sodass sich grundsätzlich der Abstand zwischen den beiden Bewegungselementen verändern kann. Dadurch liegen grundsätzlich stets beide Kontaktflächen an der Nockenscheibe an. Dies hat den Vorteil, dass die Geometrie der Nockenscheibe relativ frei wählbar ist und die Nockenscheibe entsprechend nicht bei jeder Drehwinkelposition den gleichen Durchmesser zwischen den Kontaktpunkten zu den Kontaktflächen aufweisen muss. Im Rahmen der Erfindung wurde allerdings erkannt, dass es Drehwinkelpositionen der Nockenscheibe bzw. der Abtriebswelle gibt, bei denen eine relativ hohe Flächenbelastung auf die Kontaktfläche und insbesondere auf die Nockenscheibe wirkt. So kann die Nockenscheibe beispielsweise einen Spitzbereich aufweisen. Üblicherweise steht dieser Spitzbereich bei einer Drehwinkelposition von 0° (geschlossene Türflügel) an der zweiten Kontaktfläche, beispielsweise des Dämpfungskolbens, an. Der Radius der Nockenscheibe an diesem Spitzbereich ist relativ gering, sodass es zu der relativ hohen Flächenbelastung der Nockenscheibe kommt.The two movement elements can basically be linearly moved independently of one another, so that the distance between the two movement elements can basically change. As a result, both contact surfaces are always in contact with the cam disk. This has the advantage that the geometry of the cam disk can be selected relatively freely and the cam disk accordingly does not have to have the same diameter between the contact points and the contact surfaces for every rotational angle position. In the context of the invention, however, it was recognized that there are rotational angle positions of the cam disk or the output shaft in which a relatively high surface load acts on the contact surface and in particular on the cam disk. For example, the cam disk can have a pointed area. This pointed area is usually present at a rotation angle position of 0 ° (closed door leaf) on the second contact surface, for example the damping piston. The radius of the cam disk at this pointed area is relatively small, so that there is a relatively high surface load on the cam disk.
Um diese Flächenbelastung in bestimmten Drehwinkelpositionen zu vermeiden, umfasst der erfindungsgemäße Türbetätiger eine im Gehäuse angeordnete Distanzanordnung. Die Distanzanordnung ist so ausgebildet, dass sie in zumindest einem Beschränkungs-Drehwinkelbereich der Abtriebswelle die Minimaldistanz zwischen den Bewegungselementen beschränkt. Mit der Beschränkung der Minimaldistanz wird hier beschrieben, dass sich bei dieser Beschränkung die beiden Bewegungselemente nicht weiter aufeinander zu bewegen können. Eine Vergrößerung der Distanz zwischen den beiden Bewegungselementen, also ein voneinander Wegbewegen der beiden Bewegungselemente wird dabei durch die Distanzanordnung nicht beschränkt. Neben dem zumindest einen Beschränkungs-Drehwinkelbereich ist zumindest ein Frei-Drehwinkelbereich der Abtriebswelle definiert. In diesem zumindest einen Frei-Drehwinkelbereich ist die Linearbeweglichkeit der beiden Bewegungselemente durch die Distanzanordnung nicht beschränkt. In dem Frei-Drehwinkelbereich können die beiden Bewegungselemente ohne Beschränkung durch die Distanzanordnung so weit aufeinander zu bewegt werden, dass beide Kontaktflächen an der Nockenscheibe anliegen. In dem zumindest einen Beschränkungs-Drehwinkelbereich ist allerdings die Distanzanordnung so ausgebildet, dass nur eine der beiden Kontaktflächen an der Nockenscheibe anliegt und die andere Kontaktfläche von der Nockenscheibe beabstandet ist. Durch diese Beabstandung der einen Kontaktfläche von der Nockenscheibe wird die oben beschriebene Flächenpressung vermieden.In order to avoid this surface loading in certain rotational angle positions, the door operator according to the invention comprises a spacer arrangement arranged in the housing. The spacer arrangement is designed in such a way that it limits the minimum distance between the movement elements in at least one restriction angle of rotation range of the output shaft. With the restriction of the minimum distance, it is described here that with this restriction the two movement elements cannot move any further towards one another. An increase in the distance between the two moving elements, that is to say moving the two moving elements away from one another, is not restricted by the spacing arrangement. In addition to the at least one restriction angle of rotation range, at least one free rotation angle range of the output shaft is defined. In this at least one free angle of rotation range, the linear mobility of the two movement elements is not restricted by the spacer arrangement. In the free rotation angle range, the two movement elements can be moved so far towards one another, without being restricted by the spacing arrangement, that both contact surfaces on the cam disk issue. In the at least one restriction angle of rotation range, however, the spacer arrangement is designed in such a way that only one of the two contact surfaces rests against the cam disk and the other contact surface is spaced apart from the cam disk. This spacing of one contact surface from the cam disk avoids the surface pressure described above.
Die Distanzanordnung ist insbesondere so ausgebildet, dass in jedem Frei-Drehwinkelbereich beide Kontaktflächen an der Nockenscheibe anliegen. Wie bereits beschrieben, können die beiden Bewegungselemente, beispielsweise ausgebildet als Öffnungskolben und Dämpfungskolben, auf unterschiedliche Art im Gehäuse bewegt werden. Insbesondere ist vorgesehen, dass beide Bewegungselemente mit jeweils einer Feder in Richtung der Nockenscheibe bewegbar sind. Die Ausgestaltung und Anordnung der Federn ist dabei so gewählt, dass im Beschränkungs-Drehwinkelbereich die erste Kontaktfläche (des ersten Bewegungselementes) an der Nockenscheibe anliegt und die zweite Kontaktfläche (des zweiten Bewegungselementes) von der Nockenscheibe beabstandet ist. Hierzu ist insbesondere die auf das erste Bewegungselement wirkende Federkraft größer als die auf das zweite Bewegungselement wirkende Federkraft.The spacer arrangement is designed in particular in such a way that both contact surfaces rest on the cam disk in each free rotation angle range. As already described, the two movement elements, for example designed as opening pistons and damping pistons, can be moved in different ways in the housing. In particular, it is provided that both movement elements can each be moved in the direction of the cam disk with a spring. The design and arrangement of the springs is chosen so that the first contact surface (of the first movement element) rests against the cam disk and the second contact surface (of the second movement element) is spaced apart from the cam disk in the rotational angle restriction range. For this purpose, in particular the spring force acting on the first movement element is greater than the spring force acting on the second movement element.
Insbesondere ist vorgesehen, dass die Nockenscheibe herzförmig ausgebildet ist. Diese Herzform zeichnet sich durch einen Spitzbereich der Nockenscheibe und einen dem Spitzbereich gegenüberliegenden Vertiefungsbereich der Nockenscheibe auf. Der Spitzbereich der Nockenscheibe befindet sich insbesondere bei einer Drehwinkelposition von 0°. Mit der Drehwinkelposition von 0° wird insbesondere der geschlossene Zustand des Türflügels beschrieben. Der Vertiefungsbereich der herzförmigen Nockenscheibe muss nicht exakt gegenüberliegend dem Spitzbereich liegen, befindet sich aber in etwa in dem Bereich von 180°, ausgehend von einem Spitzbereich bei 0°. Insbesondere liegt die Mitte des Vertiefungsbereichs zwischen 120 und 240°. Die Drehwinkelposition von 0° der Nockenscheibe bzw. der Abtriebswelle bezieht sich somit insbesondere auf einen geschlossenen Zustand des Türflügels. Gleichzeitig definiert der Spitzbereich der herzförmigen Nockenscheibe die Drehwinkelposition von 0°, sodass ausgehend von diesem Spitzbereich entsprechende Winkelbereiche der Nockenscheibe definiert werden können. Die hier definierten Drehwinkelpositionen und Drehwinkelbereiche entsprechen somit auch Winkelpositionen und Winkelbereichen auf der Nockenscheibe.In particular, it is provided that the cam disk is heart-shaped. This heart shape is characterized by a pointed area of the cam disk and a recess area of the cam disk opposite the pointed area. The pointed area of the cam disk is in particular at a rotational angle position of 0 °. With the angle of rotation position of 0 °, the closed state of the door leaf is described in particular. The indentation area of the heart-shaped cam disk does not have to lie exactly opposite the pointed area, but is located approximately in the area of 180 °, starting from a pointed area at 0 °. In particular, the center of the depression area lies between 120 and 240 °. The angle of rotation position of 0 ° of the cam disk or the output shaft thus relates in particular to a closed state of the door leaf. At the same time, the pointed area of the heart-shaped cam disk defines the angle of rotation position of 0 °, so that, based on this pointed area, corresponding angular areas of the cam disk can be defined. The rotational angle positions and rotational angle ranges defined here thus also correspond to angular positions and angular ranges on the cam disk.
Bevorzugt ist somit vorgesehen, dass die Nockenscheibe herzförmig ist und dabei einen Spitzbereich aufweist, wobei der Spitzbereich bei einer Drehwinkelposition von 0° auf die zweite Kontaktfläche gerichtet ist. Ein erster Beschränkungs-Drehwinkelbereich liegt dabei insbesondere zwischen -10°und +10°, vorzugsweise zwischen -5°u nd +5°. Diese Werte geben Obergrenzen für den beschriebenen Beschränkungs-Drehwinkelbereich an, welcher auch kleiner sein kann. Der erste Beschränkungs-Drehwinkelbereich erstreckt sich im Wesentlichen über den Spitzbereich der Nockenscheibe. Durch die entsprechende Ausgestaltung der Distanzanordnung wird sichergestellt, dass in dem ersten Beschränkungs-Drehwinkelbereich die zweite Kontaktfläche von der Nockenscheibe beabstandet ist und dementsprechend hier die Flächenpressung reduziert wird. Dies ist insbesondere von Vorteil, wenn der Türbetätiger für eine pendelnde Bewegung des Türflügels ausgebildet ist. Bei der pendelnden Bewegung des Türflügels kann der Türflügel über seine geschlossene Position hinweg hin- und herschwingen bzw. bewegt werden. Dabei durchläuft die Nockenscheibe in einer pendelnden Bewegung die 0°-Position, wodurch es ohne der erfindungsgemäßen Distanzanordnung stets zu einem sehr belastenden Kontakt mit der zweiten Kontaktfläche kommen würde.It is therefore preferably provided that the cam disk is heart-shaped and has a pointed area, the pointed area being directed towards the second contact surface at a rotational angle position of 0 °. A first restriction angle of rotation range is in particular between -10 ° and + 10 °, preferably between -5 ° and + 5 °. These values indicate upper limits for the described restriction angle of rotation range, which can also be smaller. The first restriction angle of rotation range extends essentially over the tip area of the cam disk. The corresponding configuration of the spacer arrangement ensures that the second contact surface is spaced apart from the cam disk in the first restriction angle of rotation range and the surface pressure is accordingly reduced here. This is particularly advantageous if the door operator is designed for an oscillating movement of the door leaf. With the swinging movement of the door leaf, the door leaf can swing back and forth or be moved beyond its closed position. The cam disk moves through the 0 ° position in an oscillating movement, which would always result in a very stressful contact with the second contact surface without the spacer arrangement according to the invention.
Des Weiteren ist bevorzugt vorgesehen, dass die Nockenscheibe herzförmig ist und dabei den Vertiefungsbereich aufweist, wobei die Mitte des Vertiefungsbereiches bei einer Drehwinkelposition von V auf die zweite Kontaktfläche gerichtet ist. V liegt dabei zwischen 120° und 240° Die Distanzanordnung ist vorzugsweise für einen zweiten Beschränkungs-Drehwinkelbereich ausgebildet, der zwischen V -45° und V +45°, vorzugsweise zwischen V -30° und V +30° liegt. Auch hier sind wieder Obergrenzen für den zweiten Beschränkungs-Drehwinkelbereich angegeben, wobei der zweite Beschränkungs-Drehwinkelbereich auch kleiner sein kann. Durch den zweiten Beschränkungs-Drehwinkelbereich wird ein Kontakt der zweiten Kontaktfläche mit dem Vertiefungsbereich der herzförmigen Nockenscheibe vermieden, sodass die zweite Kontaktfläche nicht in diesen Vertiefungsbereich "fällt".Furthermore, it is preferably provided that the cam disk is heart-shaped and has the recess area, the center of the recess area being directed towards the second contact surface at a rotational angle position of V. V lies between 120 ° and 240 °. The spacer arrangement is preferably designed for a second restriction angle of rotation range which lies between V -45 ° and V + 45 °, preferably between V -30 ° and V + 30 °. Here, too, upper limits are again given for the second restriction angle of rotation range, it also being possible for the second restriction angle of rotation range to be smaller. Contact of the second contact surface with the indentation area of the heart-shaped cam disk is avoided by the second restriction angle of rotation area, so that the second contact area does not "fall" into this indentation area.
Gemäß einer ersten Variante der Distanzanordnung ist vorgesehen, dass die Distanzanordnung zumindest ein Distanzelement umfasst, wobei das Distanzelement in einem der beiden Bewegungselemente linear geführt ist. Das Distanzelement ist dabei so ausgebildet, dass es im Beschränkungs-Drehwinkelbereich an diesem Bewegungselement, in dem es linear beweglich geführt ist, anschlägt. Theoretisch kann das Distanzelement auch an beiden Bewegungselementen linear beweglich geführt sein und dann im Beschränkungs-Drehwinkelbereich entsprechend an beiden Bewegungselementen anschlagen. In bevorzugter Ausführung ist jedoch vorgesehen, dass das Distanzelement an nur einem Bewegungselement linear beweglich geführt ist und am anderen Bewegungselement fest angebunden ist. Anstatt der festen Anbindung an dem anderen Bewegungselement ist es auch möglich, das Distanzelement integral mit diesem Bewegungselement auszubilden, sodass das Distanzelement ein integraler Bestandteil dieses Bewegungselementes ist.According to a first variant of the spacer arrangement, it is provided that the spacer arrangement comprises at least one spacer element, the spacer element being linearly guided in one of the two movement elements. The spacer element is designed in such a way that it strikes this movement element, in which it is guided in a linearly movable manner, in the restriction angle of rotation range. Theoretically, the spacer element can also be guided so as to be linearly movable on both movement elements and then correspondingly strike both movement elements in the restriction angle of rotation range. In a preferred embodiment, however, it is provided that the spacer element is guided in a linearly movable manner on only one movement element and is firmly connected to the other movement element. Instead of the fixed connection to the other movement element, it is also possible to form the spacer element integrally with this movement element, so that the spacer element is an integral part of this movement element.
Insbesondere sind zumindest zwei der Distanzelemente vorgesehen. Diese beiden Distanzelemente dienen dann gleichzeitig auch zur Verdrehsicherung der beiden Bewegungselemente zueinander. Allerdings kann solch eine Verdrehsicherung auch mit nur einem Distanzelement erreicht werden; beispielsweise wenn das Distanzelement in seinem linear geführten Bereich keinen runden Querschnitt aufweist.In particular, at least two of the spacer elements are provided. These two spacer elements then simultaneously also serve to prevent the two movement elements from rotating relative to one another. However, such a security against rotation can also be achieved with only one spacer element; for example if the spacer element does not have a round cross-section in its linearly guided area.
Das zumindest eine Bewegungselement, in dem das Distanzelement linear beweglich geführt ist, weist vorzugsweise eine Aussparung auf. In dieser Aussparung steckt das Distanzelement und ist dementsprechend in der Aussparung linearbeweglich geführt.The at least one movement element in which the spacer element is guided in a linearly movable manner preferably has a recess. The spacer element is inserted in this recess and is accordingly guided in a linearly movable manner in the recess.
Des Weiteren ist bevorzugt vorgesehen, dass das Distanzelement einen Absatz aufweist. Dieser Absatz dient als Anschlag und schlägt am Bewegungselement an, um die Minimaldistanz zu beschränken.Furthermore, it is preferably provided that the spacer element has a shoulder. This paragraph serves as a stop and strikes the moving element in order to limit the minimum distance.
Das zumindest eine Distanzelement ist hier insbesondere als Stange ausgebildet. Die Stange kann in einem der beiden Befestigungselemente, beispielsweise über ein Gewinde oder eine Presspassung, fest angebunden sein. Auf der anderen Seite steckt die Stange linear beweglich in einem Loch des Bewegungselementes.The at least one spacer element is designed here in particular as a rod. The rod can be firmly connected in one of the two fastening elements, for example by means of a thread or a press fit. On the other hand, the rod is linearly moveable in a hole in the movement element.
Bei Verwendung von zumindest zwei der Distanzelementen ist bevorzugt vorgesehen, dass die beiden Distanzelemente auf zwei unterschiedlichen Seiten der Abtriebswelle angeordnet sind. Die imaginäre Abtriebsachse, um die sich die Abtriebswelle dreht, verläuft somit zwischen den beiden Distanzelementen.When using at least two of the spacer elements, it is preferably provided that the two spacer elements are arranged on two different sides of the output shaft. The imaginary output axis around which the output shaft rotates thus runs between the two spacer elements.
Gemäß einer zweiten Variante der Distanzanordnung ist vorgesehen, dass die Distanzanordnung eine Distanznockenscheibe auf der Abtriebswelle und ein Distanzelement umfasst. Die Distanznockenscheibe weist eine andere Kontur auf als die vorab beschriebene Nockenscheibe.According to a second variant of the spacer arrangement, it is provided that the spacer arrangement comprises a spacer cam disk on the output shaft and a spacer element. The spacer cam disk has a different contour than the cam disk described above.
Die Distanznockenscheibe kann sich unmittelbar an die Nockenscheibe anschließen oder von der Nockenscheibe beabstandet sein. Das Distanzelement befindet sich in dieser zweiten Variante am zweiten Bewegungselement. Das Distanzelement ist fest mit dem zweiten Bewegungselement verbunden oder integral mit dem zweiten Bewegungselement ausgebildet. Das Distanzelement gemäß dieser zweiten Variante erstreckt sich nicht bis zum anderen Bewegungselement, sondern lediglich bis zu der Distanznockenscheibe. In dem Beschränkungs-Drehwinkelbereich liegt die Distanznockenscheibe an dem Distanzelement an. Die Distanznockenscheibe ist in ihrer Kontur so ausgebildet, dass sie im Frei-Drehwinkelbereich keinen Kontakt mit dem Distanzelement hat, sondern nur in dem zumindest einen Beschränkungs-Drehwinkelbereich mit dem Distanzelement in Kontakt tritt. Dabei sind das Distanzelement und die Distanznockenscheibe so angeordnet und ausgebildet, dass sich in dem Beschränkungs-Drehwinkelbereich die Nockenscheibe und die zweite Kontaktfläche voneinander beabstanden.The spacer cam disk can directly adjoin the cam disk or be spaced from the cam disk. In this second variant, the spacer element is located on the second movement element. The spacer element is firmly connected to the second movement element or is formed integrally with the second movement element. The spacer element according to this second variant does not extend as far as the other movement element, but only as far as the spacer cam disk. In the restriction angle of rotation range, the spacer cam rests against the spacer element. The contour of the spacer cam disk is designed in such a way that it has no contact with the spacer element in the free angle of rotation range, but only comes into contact with the spacer element in the at least one restricted angle of rotation range. The spacer element and the spacer cam disk are arranged and designed in such a way that the cam disk and the second contact surface are spaced apart from one another in the restriction angle of rotation range.
Insbesondere in der zweiten Variante der Distanzanordnung ist vorgesehen, dass der Türbetätiger eine zusätzliche Verdrehsicherung zwischen den beiden Bewegungselementen umfasst. Diese Verdrehsicherung kann beispielsweise durch zumindest zwei Stangen gebildet sein. Die Stangen sind dabei in zumindest einem Bewegungselement linearbeweglich geführt und weisen keine Anschläge auf, sodass die Stangen lediglich eine Verdrehsicherung gewährleisten, jedoch keine Distanzbeschränkung zwischen den beiden Bewegungselementen. Die Stangen der Verdrehsicherung können in einer Einschnürung der Abtriebswelle zwischen der Nockenscheibe und der Distanznockenscheibe verlaufen.In particular, in the second variant of the spacer arrangement, it is provided that the door operator includes an additional anti-rotation device between the two movement elements. This anti-rotation device can be formed, for example, by at least two rods. The rods are guided to be linearly movable in at least one movement element and have no stops, so that the rods only ensure anti-rotation protection, but no distance restriction between the two movement elements. The rods of the anti-rotation device can run in a constriction of the output shaft between the cam disk and the spacer cam disk.
Des Weiteren ist bevorzugt vorgesehen, dass der Radius am Spitzbereich der Distanznockenscheibe größer ist als der Radius am Spitzbereich der Nockenscheibe. Durch diesen relativ großen Radius am Spitzbereich der Distanznockenscheibe wird eine zu große Flächenbelastung zwischen der Distanznockenscheibe und dem zugehörigen Distanzelement vermieden. Insbesondere ist der Radius am Spitzbereich der Distanznockenscheibe zumindest um 20 % größer als der Radius am Spitzbereich der Nockenscheibe.Furthermore, it is preferably provided that the radius at the pointed area of the spacer cam disk is larger than the radius at the pointed area of the cam disk. Due to this relatively large radius at the tip area of the Spacer cam disk, an excessive surface load between the spacer cam disk and the associated spacer element is avoided. In particular, the radius at the pointed area of the spacer cam disk is at least 20% larger than the radius at the pointed area of the cam disk.
Die Erfindung wird nun anhand von zwei Ausführungsbeispielen näher beschrieben. Dabei zeigen:
- Fig. 1
- eine schematische Ansicht eines erfindungsgemäßen Türbetätigers gemäß einem ersten Ausführungsbeispiel,
- Fig. 2
bis 7 - Detaildarstellungen des erfindungsgemäßen Türbetätigers gemäß dem ersten Ausführungsbeispiel, und
- Fig. 8
bis 11 - Detaildarstellungen des erfindungsgemäßen Türbetätigers gemäß einem zweiten Ausführungsbeispiel.
- Fig. 1
- a schematic view of a door operator according to the invention according to a first embodiment,
- Figures 2 to 7
- Detailed representations of the door operator according to the invention according to the first embodiment, and
- Figures 8-11
- Detailed representations of the door operator according to the invention according to a second embodiment.
Anhand der
Auf der Abtriebswelle 4 befindet sich eine Nockenscheibe 5. Die Nockenscheibe 5 und die Abtriebswelle 4 befinden sich zwischen einem ersten Bewegungselement 6 und einem zweiten Bewegungselement 11. Das erste Bewegungselement 6 ist hier als Öffnungskolben ausgebildet. Das zweite Bewegungselement 11 ist hier als Dämpfungskolben ausgebildet. Der gesamte Türbetätiger 1 ist als Türschließer ausgebildet.A
Die beiden Bewegungselemente 6, 11 sind im Gehäuse 2 senkrecht zur Abtriebsachse 3 linearbeweglich geführt.The two
Das erste Bewegungselement 6 weist eine erste Rolle 8 auf Die Umfangsfläche der ersten Rolle 8 bildet eine erste Kontaktfläche 7. Die erste Rolle 8 ist im ersten Bewegungselement 6 um eine erste Rollenachse 9 drehbeweglich gelagert. Die erste Rollenachse 9 erstreckt sich parallel zur Abtriebsachse 3.The
Das zweite Bewegungselement 11 weist eine zweite Rolle 13 auf. Die Umfangsfläche der zweiten Rolle 13 bildet eine zweite Kontaktfläche 12. Die zweite Rolle 13 ist im zweiten Bewegungselement 11 um eine zweite Rollenachse 14 drehbeweglich gelagert. Die zweite Rollenachse 14 erstreckt sich parallel zur Abtriebsachse 3.The
Des Weiteren weist der Türbetätiger 1 eine erste Feder 10 auf. Die erste Feder 10 dient hier als Schließfeder. Die erste Feder 10 ist im Gehäuse 2 auf einer der Nockenscheibe 5 abgewandten Seite des ersten Bewegungselementes 6 angeordnet. Auf der einen Seite stützt sich die erste Feder 10 gegen das erste Bewegungselement 6, auf der anderen Seite kann sich die erste Feder 10 gegen das Gehäuse 2 oder eine nicht dargestellte Federeinstellung abstützen. Beim Öffnen der Tür wird diese erste Feder 10 gespannt. Durch Entspannen der ersten Feder 10 kann dann das erste Bewegungselement 6 gemäß der Darstellung in
Des Weiteren zeigt
Des Weiteren zeigt
Des Weiteren zeigt
Die detaillierte Ausgestaltung der Distanzanordnung 20 nach dem ersten Ausführungsbeispiel zeigen die
Gemäß
Jedes Distanzelement 21 weist einen Fortsatz 22 auf. Dieser Fortsatz 22 steckt linearbeweglich in einer Aussparung 23 im zweiten Bewegungselement 11. Auf der gegenüberliegenden Seite sind die Distanzelemente 21 fest mit dem ersten Bewegungselement 6 verbunden.Each
Durch die Linearbeweglichkeit zwischen Fortsatz 22 und Aussparung 23 sind die beiden Bewegungselemente 6, 11 grundsätzlich relativ zueinander senkrecht zur Abtriebsachse 3 beweglich.Due to the linear mobility between the
Um allerdings eine Distanz 32 zwischen den beiden Bewegungselementen 6, 11 in bestimmen Drehwinkelpositionen der Abtriebswelle 4 bzw. Nockenscheibe 5 zu beschränken, weist das einzelne Distanzelement 21 einen Absatz 24 auf. Dieser Absatz 24 kann bei der gewünschten Minimaldistanz an dem zweiten Bewegungselement 11 anschlagen. Insbesondere die Darstellung in
Ausgehend von dieser 0°-Drehwinkelposition ist ein erster Beschränkungs-Drehwinkelbereich 33 definiert. Dieser erste Beschränkungs-Drehwinkelbereich 33 erstreckt sich insbesondere über den Spitzbereich 30 der Nockenscheibe 5. In etwa gegenüberliegend ist ein zweiter Beschränkungs-Drehwinkelbereich 34 definiert. Der zweite Beschränkungs-Drehwinkelbereich 34 erstreckt sich in etwa über den Vertiefungsbereich 31 der Nockenscheibe 5. Die genauen Winkelbereiche für die beiden Beschränkungs-Drehwinkelbereiche 33, 34 wurden im allgemeinen Teil definiert. Zwischen den beiden Beschränkungs-Drehwinkelbereichen 33, 34 befinden sich zwei Frei-Drehwinkelbereiche 35.Starting from this 0 ° angle of rotation position, a first restriction angle of
Bei der Darstellung nach
In
In
Anhand der
Die Distanzanordnung 20 des zweiten Ausführungsbeispiels umfasst ein Distanzelement 21, das hier jedoch lediglich im zweiten Bewegungselement 11 steckt. Das Distanzelement 21 ist hier fest mit dem zweiten Bewegungselement 11 verbunden. Alternativ könnte das Distanzelement 21 auch integraler Bestandteil des zweiten Bewegungselementes 11 sein.The
Ferner umfasst hier die Distanzanordnung 20 eine Distanznockenscheibe 38 auf der Abtriebswelle 4. Im gezeigten Ausführungsbeispiel ist die Distanznockenscheibe 38 von der Nockenscheibe 5 beabstandet. Zwischen der Distanznockenscheibe 38 und der Nockenscheibe 5 verlaufen die beiden Verdrehsicherungen 37.Furthermore, the
Das Distanzelement 21 und die Distanznockenscheibe 38 sind hier so ausgebildet und angeordnet, dass sie sich im ersten und zweiten Beschränkungs-Drehwinkelbereich 33, 34 berühren und dabei die Distanz 32 beschränken. In den beiden Frei-Drehwinkelbereichen 35 erfolgt kein Kontakt zwischen dem Distanzelement 21 und der Distanznockenscheibe 38.The
Im zweiten Ausführungsbeispiel erfüllt das Distanzelement 21 gleichzeitig die Funktion des Bolzens 17, da das Distanzelement 21 so angeordnet ist, dass es die Rollenwelle 18 der zweiten Rolle 13 vor Herausfallen sichert.In the second exemplary embodiment, the
Wie die
Ein Radius 39 am Spitzbereich der Distanznockenscheibe 38 ist vorzugsweise größer ausgestaltet als ein Radius 40 am Spitzbereich 30 der Nockenscheibe 5.A
- 11
- TürbetätigerDoor operator
- 22
- Gehäusecasing
- 33
- AbtriebsachseOutput axis
- 44th
- AbtriebswelleOutput shaft
- 55
- NockenscheibeCam disc
- 66th
- erstes Bewegungselement (Öffnungskolben)first movement element (opening piston)
- 77th
- erste Kontaktflächefirst contact surface
- 88th
- erste Rollefirst role
- 99
- erste Rollenachsefirst roller axis
- 1010
- erste Feder (Schließfeder)first spring (closing spring)
- 1111
- zweites Bewegungselement (Dämpfungskolben)second movement element (damping piston)
- 1212th
- zweite Kontaktflächesecond contact surface
- 1313th
- zweite Rollesecond role
- 1414th
- zweite Rollenachsesecond roller axis
- 1515th
- zweite Federsecond spring
- 1616
- HydraulikkammerHydraulic chamber
- 1717th
- Bolzenbolt
- 1818th
- RollenwellenRoller shafts
- 2020th
- DistanzanordnungDistance arrangement
- 2121
- DistanzelementSpacer element
- 2222nd
- FortsatzAppendix
- 2323
- AussparungRecess
- 2424
- Absatzparagraph
- 3030th
- SpitzbereichPointed area
- 3131
- VertiefungsbereichSpecialization area
- 3232
- Distanzdistance
- 3333
- erster Beschränkungs-Drehwinkelbereichfirst restriction rotation angle range
- 3434
- zweiter Beschränkungs-Drehwinkelbereichsecond restriction rotation angle range
- 3535
- Frei-DrehwinkelbereichFree rotation angle range
- 3636
- Abstanddistance
- 3737
- VerdrehsicherungAnti-twist device
- 3838
- DistanznockenscheibeSpacer cam
- 3939
- Radius am Spitzbereich der DistanznockenscheibeRadius at the tip area of the spacer cam disk
- 4040
- Radius am Spitzbereich der NockenscheibeRadius at the tip area of the cam disk
Claims (14)
- A door actuator (1) for opening and/or closing a door leaf, comprising• a housing (2),• an output shaft (4) rotationally supported in the housing (2) and with a cam disc (5), wherein the output shaft (4) is formed for transferring torque onto the door leaf,• a first element of motion (6), preferably an opening piston, which is linearly movably guided in the housing (2) and has a first contact surface (7),• a second element of motion (11), preferably a dampening piston, which is linearly movably guided in the housing (2) and has a second contact surface (12), and• a distancing arrangement (20) disposed in the housing (2),• wherein the cam disc (5) is disposed between the two contact surfaces (7, 12) and disposed for rolling on the two contact surfaces (7, 12),• wherein, in at least one restrictive range of angle of rotation (33, 34) of the output shaft (4), the distancing arrangement (20) restricts the minimum distance between the elements of motion (6, 11) and in at least one free range of angle of rotation (35) does not restrict the linear mobility of the two elements of motion (6, 11) in relation to each other, characterized in that in the at least one restrictive range of angle of rotation (33, 34), only one of the two contact surfaces (7, 12) rests at the cam disc (5) and the other contact surface is spaced apart from the cam disc (5).
- The door actuator (1) according to claim 1, wherein in each free range of angle of rotation (35) both contact surfaces (7, 12) rest at the cam disc (5).
- The door actuator (1) according to any of the preceding claims, wherein the cam disc (5) is heart-shaped and in this case includes a pointed area (30), wherein, at a position of angle of rotation of 0°, the pointed area (30) is directed to the second contact surface (12) and a first restrictive range of angle of rotation (33) is between -10° and +10°, preferably between -5°und and +5°.
- The door actuator (1) according to any of the preceding claims, wherein the cam disc (5) is heart-shaped and in this case includes a depressed area (31), wherein, at a position of angle of rotation of V, a centre of the depressed area (31) is directed to the second contact surface (12), wherein V is between 120° and 240°, and wherein a second restrictive range of angle of rotation (34) is between V -45° and V +45°, preferably between V -30° and V +30°.
- The door actuator (1) according to any of the preceding claims, wherein the distancing arrangement (20) comprises at least one distancing element (21), wherein the distancing element (21) is linearly movably guided in one of the two elements of motion (11), and in the restrictive range of angle of rotation (33, 34) abuts against said element of motion (11).
- The door actuator (1) according to claim 5, wherein the distancing element (21) linearly movably slides in a recess (23) in one of the two elements of motion (11).
- The door actuator (1) according to any of the claims 5 or 6, wherein the distancing element (21) includes a shoulder (24) as an abutment.
- The door actuator (1) according to any of the claims 5 to 7, wherein the distancing element (21) is firmly connected to one of the two elements of motion (6) or is formed integrally with one of the two elements of motion (6).
- The door actuator (1) according to any of the claims 1 to 4, wherein the distancing arrangement (20) includes a distancing cam disc (38) on the output shaft (3) and a distancing element (21) at the second element of motion (11), wherein the distancing element (21) is firmly connected to the second element of motion (11) or integrally formed with the second element of motion (11), wherein in at least one restrictive range of angle of rotation (33, 34) the distancing cam disc (38) rests at the distancing element (21).
- The door actuator (1) according to claim 9, wherein the radius (39) at the pointed area of the distancing cam disc (38) is greater than the radius (40) at the pointed area of the cam disc (5).
- The door actuator (1) according to any of the preceding claims, comprising a first spring (10), in particular a closer spring, in the housing (2), wherein the first element of motion (6) is movable by means of the first spring (10) in the direction of the cam disc (5).
- The door actuator (1) according to any of the preceding claims, comprising a second spring (15) in the housing (2), wherein the second element of motion (6) is movable by means of the second spring (10) in the direction of the cam disc (5).
- The door actuator (1) according to any of the preceding claims, comprising a hydraulic chamber (16) in the housing (2), wherein, by moving the second element of motion (11), fluid is driven out of the hydraulic chamber (16) through a throttle.
- The door actuator (1) according to any of the preceding claims, wherein the first contact surface (7) is formed by a first roller (8), which is rotatably supported in the first element of motion (6), and/or wherein the second contact surface (12) is formed by a second roller (13), which is rotatably supported in the second element of motion (11).
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19152193.9A EP3683393B1 (en) | 2019-01-16 | 2019-01-16 | Door actuator |
ES19152193T ES2865059T3 (en) | 2019-01-16 | 2019-01-16 | Door actuator |
CN201911284039.XA CN111441682B (en) | 2019-01-16 | 2019-12-13 | Door actuator |
US16/715,404 US11242705B2 (en) | 2019-01-16 | 2019-12-16 | Door actuator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19152193.9A EP3683393B1 (en) | 2019-01-16 | 2019-01-16 | Door actuator |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3683393A1 EP3683393A1 (en) | 2020-07-22 |
EP3683393B1 true EP3683393B1 (en) | 2021-03-03 |
Family
ID=65036621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19152193.9A Active EP3683393B1 (en) | 2019-01-16 | 2019-01-16 | Door actuator |
Country Status (4)
Country | Link |
---|---|
US (1) | US11242705B2 (en) |
EP (1) | EP3683393B1 (en) |
CN (1) | CN111441682B (en) |
ES (1) | ES2865059T3 (en) |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
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CH248165A (en) * | 1945-09-24 | 1947-04-30 | Meister Paul | Door closer with hydraulic brake. |
CH281690A (en) * | 1950-05-25 | 1952-03-31 | Gmbh Hs Murbach | Door closer. |
GB1174327A (en) * | 1966-09-24 | 1969-12-17 | Zd Y Umelecke Kovovyroby Narod | Improvements in or relating to Door Closers. |
GB1344945A (en) * | 1972-01-06 | 1974-01-23 | Gibbons Ld James | Doorclosing mechanism |
DE3345004A1 (en) * | 1983-12-13 | 1985-06-13 | Dorma-Baubeschlag Gmbh & Co Kg, 5828 Ennepetal | OVERCLOSE |
DE8707410U1 (en) * | 1987-05-23 | 1987-07-09 | Gretsch-Unitas GmbH Baubeschläge, 7257 Ditzingen | Door closer |
DE4041824C1 (en) * | 1990-12-24 | 1992-06-11 | Dorma Gmbh + Co. Kg, 5828 Ennepetal, De | |
US5417013A (en) * | 1992-07-10 | 1995-05-23 | Dorma Gmbh + Co. Kg | Overhead door closer with slide rail for concealed installation in door panels or door frames |
DE19506220C2 (en) * | 1995-02-22 | 1996-12-12 | Dorma Gmbh & Co Kg | Door closer |
US20020066157A1 (en) * | 2000-12-06 | 2002-06-06 | Sha-Na Chen | Door closer |
DE102004061624C5 (en) * | 2004-12-17 | 2011-02-03 | Dorma Gmbh + Co. Kg | Door drive, in particular revolving door anti-theft |
DE202008005721U1 (en) * | 2008-04-24 | 2008-07-10 | Dorma Gmbh + Co. Kg | Door closer with a hydraulic closing delay |
CN201574652U (en) * | 2009-10-14 | 2010-09-08 | 固力保安制品有限公司 | Door closer |
DE102010022050A1 (en) * | 2009-12-01 | 2011-06-09 | Dorma Gmbh + Co. Kg | Door closer with additional closing spring |
US20110197391A1 (en) * | 2010-02-12 | 2011-08-18 | Rick Yu | Automatic door closer structure |
DE102011055977A1 (en) * | 2011-12-02 | 2013-06-06 | Dorma Gmbh + Co. Kg | door actuators |
DE102013102337A1 (en) * | 2013-03-08 | 2014-09-11 | Dorma Gmbh + Co. Kg | door actuators |
-
2019
- 2019-01-16 EP EP19152193.9A patent/EP3683393B1/en active Active
- 2019-01-16 ES ES19152193T patent/ES2865059T3/en active Active
- 2019-12-13 CN CN201911284039.XA patent/CN111441682B/en active Active
- 2019-12-16 US US16/715,404 patent/US11242705B2/en active Active
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
ES2865059T3 (en) | 2021-10-14 |
CN111441682B (en) | 2023-06-23 |
CN111441682A (en) | 2020-07-24 |
US11242705B2 (en) | 2022-02-08 |
EP3683393A1 (en) | 2020-07-22 |
US20200224478A1 (en) | 2020-07-16 |
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