EP2614202B1 - Door unit - Google Patents
Door unit Download PDFInfo
- Publication number
- EP2614202B1 EP2614202B1 EP11779570.8A EP11779570A EP2614202B1 EP 2614202 B1 EP2614202 B1 EP 2614202B1 EP 11779570 A EP11779570 A EP 11779570A EP 2614202 B1 EP2614202 B1 EP 2614202B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive shaft
- friction element
- door unit
- spring
- unit according
- 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
- 230000008878 coupling Effects 0.000 claims description 32
- 238000010168 coupling process Methods 0.000 claims description 32
- 238000005859 coupling reaction Methods 0.000 claims description 32
- 230000033001 locomotion Effects 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims 1
- 238000013016 damping Methods 0.000 description 7
- 230000001960 triggered effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
- E05D11/10—Devices for preventing movement between relatively-movable hinge parts
- E05D11/1028—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open
- E05D11/105—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open the maintaining means acting perpendicularly to the pivot axis
- E05D11/1057—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open the maintaining means acting perpendicularly to the pivot axis specially adapted for vehicles
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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
- E05C17/20—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 sliding through a guide
- E05C17/203—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 sliding through a guide concealed, e.g. for vehicles
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
- E05D11/08—Friction devices between relatively-movable hinge parts
- E05D11/082—Friction devices between relatively-movable hinge parts with substantially radial friction, e.g. cylindrical friction surfaces
- E05D11/084—Friction devices between relatively-movable hinge parts with substantially radial friction, e.g. cylindrical friction surfaces the friction depending on direction of rotation or opening angle of the hinge
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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
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
- E05F15/619—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using flexible or rigid rack-and-pinion arrangements
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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
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/63—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by swinging arms
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/21—Brakes
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/214—Disengaging means
- E05Y2201/216—Clutches
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/23—Actuation thereof
- E05Y2201/232—Actuation thereof by automatically acting means
- E05Y2201/236—Actuation thereof by automatically acting means using force or torque
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/252—Type of friction
- E05Y2201/254—Fluid or viscous friction
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/252—Type of friction
- E05Y2201/26—Mechanical friction
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/262—Type of motion, e.g. braking
- E05Y2201/264—Type of motion, e.g. braking linear
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/262—Type of motion, e.g. braking
- E05Y2201/266—Type of motion, e.g. braking rotary
-
- 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
- E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
- E05Y2201/47—Springs
- E05Y2201/49—Wrap springs
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
- E05Y2800/20—Combinations of elements
- E05Y2800/21—Combinations of elements of identical elements, e.g. of identical compression springs
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
- E05Y2800/20—Combinations of elements
- E05Y2800/242—Combinations of elements arranged in parallel relationship
-
- 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
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/531—Doors
Definitions
- the invention relates to a door unit, in particular motor vehicle door unit, with a connected to a door motion transmission member with drive shaft, and with an acted upon by the drive shaft coupling member variable closing force, wherein the coupling member as a function of the rotational speed of the drive shaft releasable slip clutch with at least one the drive shaft or Partially enclosing friction element is formed, and wherein the friction element interacts with an adjusting element to change its Umschlingungsquer4.000es.
- a door unit in the embodiment as a motor vehicle door unit for the motorized actuation of a tailgate as a door is in the DE 198 44 265 A1 described.
- the coupling member variable clamping force serves as a safety coupling.
- the local coupling member acts as a braking device or blocking mechanism.
- the locking mechanism is used to lock the hinged door to a vehicle body. This happens for the reason that, for example, during the door opening process, an obstacle appears and the door could collide with the obstacle.
- the blocking device ensures that a collision between the door leaf and the obstacle is prevented.
- a spring coupling device is realized as a coupling member variable clamping force.
- the spring coupling device has a release lever, which is arranged in a cutout portion of a release arm and acted upon by this.
- the invention is based on the technical problem of further developing such a door unit so that the door leaf can be moved properly and at the same time undergoes fixing as needed, this being achieved by taking into account a structurally simple construction.
- a generic door unit in the invention is characterized in that the adjusting element is connected to the drive shaft and applied in accordance with its rotational speed, the friction element.
- the invention thus first of all makes use of a coupling element designed as a sliding clutch.
- the triggering of the slip clutch is mainly not dependent on the torque, but in the context the invention as a function of the rotational speed of the drive shaft.
- the drive shaft of the motion transmission member ensures that the clutch member designed as a slip clutch is triggered or not.
- the slip clutch according to the invention is equipped with at least one drive shaft wholly or partially enclosing friction element. Usually even two friction elements are realized. This can be attributed to the fact that the drive shaft rotates regularly taking into account two different directions of rotation. These two different directions of rotation correspond on the one hand to an opening movement of the door leaf and on the other hand to a closing movement of the door leaf.
- the operation of the coupling member or the slip clutch and consequently of the friction element is accompanied by the fact that the friction element is designed to be changeable from its wrap cross section. If the Umschlingungsquer Beatles of the friction element is reduced, so the friction element applies to the drive shaft and surrounds this in whole or in part. For this purpose, the engaged position of the coupling member and consequently the slip clutch corresponds. If, however, the friction element is widened by its wrap-around cross-section, then the previously held drive shaft is released and can subsequently rotate more or less freely thereafter. Then the disengaged position of the coupling member and thus the slip clutch and thus the friction element is achieved.
- the friction element is designed for this purpose as variable in diameter spring.
- the said spring may be a wrap spring.
- Such a wrap spring is characterized by a helical course of its spring coils similar to a coil spring.
- a wrap spring may also have a non-round spring cross-section, but rather is equipped with a rectangular spring cross-section.
- the broad side of the rectangular spring cross section of the enclosed by the wrap spring drive shaft are facing.
- the highest possible frictional forces between wrap spring and friction element and drive shaft can be transmitted.
- the friction element is designed changeable from its Umschlingungsquerexcellent ago and adapted otherwise to the drive shaft. Since the drive shaft is usually designed cylindrical, the friction element logically has an arcuate or circular character, so that the described Umschlingungsquerrough selectedung usually with a change in diameter of Frictional element is accompanied. In order to effect the change of the Umschlingungsqueriteses or the diameter of the friction element, the adjusting element is provided according to the invention, which interacts with the friction element.
- the actuator is connected to the drive shaft. Consequently, the drive shaft controls the friction element via the adjusting element. Depending on the rotational speed of the drive shaft, the friction element is acted upon by the adjusting element more or less. D. h., The actuator interacts with the friction element, in accordance with the rotational speed of the drive shaft.
- a friction element corresponds to a direction of rotation of the drive shaft. Since the friction element is usually designed as a variable in diameter spring, it is usually worked in this case with two friction elements designed as springs. To illustrate the different directions of rotation of the drive shaft and their consideration, the two said springs are usually equipped with opposing turns. In this way, a spring interacts with a direction of rotation of the drive shaft, whereas the other spring interacts with the other direction of rotation of the drive shaft.
- the actuator carries these two different directions of rotation account for the fact that the actuator connected to the actuator depending on the direction of rotation of the drive shaft acts either one friction element or the other friction element.
- the interpretation is usually made such that the actuator after exceeding a predetermined rotational speed of the drive shaft releases the friction element of the drive shaft. If the predetermined rotational speed is exceeded, the actuating element applies the friction element to the drive shaft.
- the actuator is equipped with an eccentric or the like actuator. With the help of this actuator, the Umschlingungsquerites the friction element can be changed.
- the design is usually made so that the actuator acts in two directions, namely the following direction of rotation of the drive shaft. In this way, one and the same actuator can change both the friction element for the one direction of rotation and the friction element for the other direction of rotation in its Umschlingungsquerexcellent as desired.
- the actuating element usually engages at one end of the friction element.
- the other end of the friction element is held in contrast. Since it is advantageous in the friction element is a spring, the actuator engages at one end of the spring, while the other end of the spring undergoes a fixation. If you work with two springs, one spring per direction of rotation of the drive shaft, the interpretation is made such that the respective free ends of the springs are adjacent to each other. In this way, one and the same actuator can be used to act on the two free spring ends.
- the actuator is usually a rotatable shaft or rod, which is usually equipped with a damping element.
- the rotatable shaft or rod usually dips into the damping element in question.
- the damping element is advantageously equipped with a chamber which is filled with a viscous medium.
- the actuator is connected to the chamber.
- the actuator may be an eccentric or a cam, which typically operates directly or with the interposition of a plunger on the respective free end of the spring or the friction element. This is of course only to be understood as an example.
- the actuator is directly or indirectly driven and acted upon by the drive shaft. As soon as the drive shaft rotates, the actuator also normally undergoes a rotation.
- the rotational speed of the actuating element or its movements are damped by the damping element. From a certain rotational speed of the control element, the control element enclosing or receiving chamber is deflected with the actuator connected thereto. Then, the predetermined rotational speed of the drive shaft is reached, which corresponds to the fact that the friction element is released from the drive shaft.
- the deflected actuator in turn ensures that the free end of the spring is acted upon. Since the free end of the opposite fixed end of the spring is fixed, the application of the free end of the spring ensures that the spring experiences the desired diameter enlargement. As a result, the previously held drive shaft is released and can rotate immediately and almost without resistance. In this way, the slip clutch can be triggered in response to the rotational speed of the drive shaft. Once the said rotational speed is exceeded, the actuator can no longer act on the chamber and with her the actuator connected in the sense of rotation, so that the free end of the spring experiences no deflection. The spring contracts and attaches itself to the drive shaft, which is subsequently blocked.
- a door unit which is equipped with a special coupling member variable clamping force.
- the coupling member can be triggered in dependence on the rotational speed of the drive shaft.
- the coupling member or realized at this point slip clutch is either engaged or disengaged in accordance with the rotational speed of the drive shaft.
- the freely rotating drive shaft corresponds to the fact that the hereby interactive door leaf of the door unit can be easily moved back and forth.
- a certain speed of the pivoting movement of the door leaf is required, which corresponds to the fact that the drive shaft exceeds the predetermined rotational speed.
- the speed of the drive shaft below the predetermined rotational speed and the door undergoes a blockage.
- a door unit which in the exemplary embodiment is a motor vehicle door unit.
- This has a door 1, which is articulated in a pivot point 2 to a motor vehicle body and can be opened and closed about this pivot point 2 in the direction indicated by a double arrow pivoting direction. In this process, a pivoting movement s is completed with a certain swinging speed s.
- the coupling member 5 can be substantially engaged and disengaged.
- the engaged position of the coupling member 5 corresponds to the fact that the coupling member 5, the drive shaft 4 holds.
- the disengaged position of the coupling member 5 corresponds to the fact that the drive shaft 4 is released from the coupling member 5 and rotates without resistance or almost without resistance.
- the coupling member 5 is designed as a slip clutch 5.
- the coupling member 5 and the slip clutch 5 is triggered in response to the rotational speed of the drive shaft 4. If the rotational speed of the drive shaft 4 exceeds a predetermined rotational speed, the coupling member 5 is disengaged and releases the drive shaft 4. When falling below the predetermined rotational speed, the coupling member 5 and the slip clutch 5 is engaged and keeps the drive shaft 4 free.
- the slip clutch 5 is equipped with at least one drive element 4 completely or partially enclosing friction element 6, 7.
- two friction elements 6, 7 are provided in the context of the embodiment. This includes a friction element 6 to a rotational direction of the drive shaft 4, in this case, their rotation in a clockwise direction. In contrast, the other friction element 7 belongs to a counterclockwise rotation of the drive shaft 4th
- Both friction elements 6, 7 are designed to be changeable from their Umschlingungsquerrough forth.
- the respective friction element 6, 7 is a variable in diameter spring 6, 7.
- the respective friction element 6, 7 in the embodiment designed as a wrap spring 6, 7.
- the wrap spring 6, 7 has a rectangular spring cross-section, wherein the largest width of the rectangular spring cross-section of the drive shaft 4 faces. This can be done maximum friction forces transmitted to the drive shaft 4 by the spring 6, 7. It can be seen that the two springs 6, 7 are equipped with opposing turns.
- Each spring 6, 7 has a respective fixed end 6a, 7a and a free end 6b, 7b.
- the interpretation can be such that the respective fixed ends 6a, 7a have a maximum distance from each other, whereas the free ends 6b, 7b are arranged in close proximity to each other , In this way it is possible to apply the respective friction element 6, 7 with a single actuator 8.
- the actuator 8 is connected to the drive shaft 4, in the context of the embodiment with the interposition of a damping element 9.
- the actuator 8 has a connection to an actuator 11.
- the design is such that the actuator 8 respective rotations the drive shaft 4 counterclockwise and clockwise follows and can follow.
- the actuator 11 performs only rotations or pivotal movements in the counterclockwise direction, such as a corresponding arrow in Fig. 4 makes it clear.
- an unspecified transfer member is interposed between the adjusting element 8 and the actuator 11, which converts clockwise movements of the adjusting element 8 in such a counterclockwise direction of the actuator 11, so that the actuator 11 performs only the already mentioned rotations counterclockwise.
- the damping element 9 has a chamber 10 which receives a viscous medium in the interior. Depending on how much the drive shaft 4 rotates, the viscous medium located in the interior of the chamber 10 is more or less "taken along" and ensures from a certain and predetermined rotational speed of the drive shaft 4 that the chamber 10 undergoes a deflection. In the same way, the adjusting element 8 is deflected and undergoes the actuator 11 indirectly connected via the transmission member actuator 11, an application. When the actuator 11 is in the context of the embodiment of the Fig. 4 a double cam.
- the actuator 11 and the double cam 11 operates on plunger 12, each deflecting the free end 6 b of the spring 6 and 7 b on the other hand, the spring 7.
- a rotation of the actuator or double cam 11 in each direction of rotation of the adjusting element 8 causes the free end 6b of the spring 6 and the free end 7b of the spring 7 are acted upon by the plunger 12 and to a in the Fig. 4 indicated increase in diameter of the associated spring 6, 7 correspond.
- This increase in diameter of the spring 6, 7 causes the previously by the spring 6, 7 causes the previously held by the spring 6, 7 drive shaft 4 is released.
- the Fig. 3 represents a somewhat modified embodiment, in which a spring 6 between on the one hand the drive shaft 4 and on the other hand a fixed housing 13 is interposed. If the spring 6 is increased in diameter, it settles on the outside against the fixed housing 6 enclosing the spring 6. If this happens over the entire length of the spring 6, as a result of this, the previously held by the spring 6 and enclosed drive shaft 4 is released. If, however, it only partially increases in diameter along the length of the spring 6, the spring 6 provides for a mechanical coupling between the stationary housing 13 and the rotating drive shaft 4. For this purpose, slippage of the slip clutch 5 realized in this way corresponds.
- the basic mode of operation is as follows. As soon as the door leaf 1 performs a pivoting movement s, the drive shaft 4 is rotated. At first friction forces of the two friction elements or springs 6, 7 must be overcome. The drive shaft 4 also rotates within the chamber 10. However, these rotations do not cause the chamber 10 and also the adjoining the chamber 10 actuator 8 undergo a rotation.
- the adjusting element 8 in the exemplary embodiment is a rotatable shaft or rod.
- the drive shaft 4 with the interposition of the damping element 9 in a position to rotate the chamber 10.
- the rotating chamber 10 provides over the actuator 8 and the indirectly thereto connected actuator 11 for the fact that the respective actuator 11 and the associated double cam 11 undergoes a counterclockwise rotation. This rotation is in the Fig. 4 indicated by an arrow and causes the two tappets 2 are acted upon by the two cams.
- the two plungers 12 deflect the respective free spring ends 7b and 6b of the associated springs 6, 7, the two springs 6, 7 experience an increase in diameter.
- the increase in diameter of the springs 6, 7 causes the previously held drive shaft 4 is not (more) held by the springs 6, 7 and can rotate freely. As a result of this, the door leaf 1 can be moved back and forth with almost no resistance.
- the two free spring ends 6b, 7b are each fixed by means of an adjustable stop 14 in the associated housing 13 and fixed to the door leaf 1.
- a torque can additionally be preset, against which the plunger 12 must work in order to deflect the respectively free spring end 6b, 7b and consequently to effect the desired increase in the diameter of the spring 6, 7.
- the coupling member can be triggered not only in response to the rotational speed of the drive shaft 4, but additionally and additionally depending on a torque, which is ultimately determined by means of the two stops 14.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Description
Die Erfindung betrifft eine Türeinheit, insbesondere Kraftfahrzeugtüreinheit, mit einem an einen Türflügel angeschlossenen Bewegungsübertragungsglied mit Antriebswelle, und mit einem von der Antriebswelle beaufschlagten Kupplungsglied veränderbarer Schließkraft, wobei das Kupplungsglied als in Abhängigkeit von der Drehgeschwindigkeit der Antriebswelle auslösbare Rutschkupplung mit wenigstens einem die Antriebswelle ganz oder teilweise umschließenden Reibelement ausgebildet ist, und wobei das Reibelement mit einem Stellelement zur Änderung seines Umschlingungsquerschnittes wechselwirkt.The invention relates to a door unit, in particular motor vehicle door unit, with a connected to a door motion transmission member with drive shaft, and with an acted upon by the drive shaft coupling member variable closing force, wherein the coupling member as a function of the rotational speed of the drive shaft releasable slip clutch with at least one the drive shaft or Partially enclosing friction element is formed, and wherein the friction element interacts with an adjusting element to change its Umschlingungsquerschnittes.
Eine Türeinheit in der Ausgestaltung als Kraftfahrzeug-Türeinheit zur motorischen Betätigung einer Heckklappe als Türflügel wird in der
Darüber hinaus kennt man durch die
Zu diesem Zweck ist eine Federkupplungsvorrichtung als Kupplungsglied veränderbarer Schließkraft realisiert. Die Federkupplungsvorrichtung verfügt über einen Auslösehebel, welcher in einem Ausschnittabschnitt eines Auslösearms angeordnet und von diesem beaufschlagt wird.For this purpose, a spring coupling device is realized as a coupling member variable clamping force. The spring coupling device has a release lever, which is arranged in a cutout portion of a release arm and acted upon by this.
Der Stand der Technik nach der
Der Erfindung liegt das technische Problem zugrunde, eine derartige Türeinheit so weiter zu entwickeln, dass der Türflügel einwandfrei bewegt werden kann und zugleich eine Fixierung bei Bedarf erfährt, wobei dies unter Berücksichtigung eines konstruktiv einfachen Aufbaus erreicht werden soll.The invention is based on the technical problem of further developing such a door unit so that the door leaf can be moved properly and at the same time undergoes fixing as needed, this being achieved by taking into account a structurally simple construction.
Zu Lösung dieser technischen Problemstellung ist eine gattungsgemäße Türeinheit im Rahmen der Erfindung dadurch gekennzeichnet, dass das Stellelement an die Antriebswelle angeschlossen ist und nach Maßgabe seiner Drehgeschwindigkeit das Reibelement beaufschlagt.To solve this technical problem, a generic door unit in the invention is characterized in that the adjusting element is connected to the drive shaft and applied in accordance with its rotational speed, the friction element.
Die Erfindung greift also zunächst einmal auf ein als Rutschkupplung ausgebildetes Kupplungsglied zurück. Dabei erfolgt das Auslösen der Rutschkupplung überwiegend nicht drehmomentabhängig, sondern im Rahmen der Erfindung in Abhängigkeit von der Drehgeschwindigkeit der Antriebswelle. Anders ausgedrückt, sorgt die Antriebswelle des Bewegungsübertragungsgliedes dafür, dass das als Rutschkupplung ausgebildete Kupplungsglied ausgelöst wird oder nicht.The invention thus first of all makes use of a coupling element designed as a sliding clutch. The triggering of the slip clutch is mainly not dependent on the torque, but in the context the invention as a function of the rotational speed of the drive shaft. In other words, the drive shaft of the motion transmission member ensures that the clutch member designed as a slip clutch is triggered or not.
Zu diesem Zweck ist die Rutschkupplung erfindungsgemäß mit wenigstens einem die Antriebswelle ganz oder teilweise umschließenden Reibelement ausgerüstet. Meistens sind sogar zwei Reibelemente realisiert. Dies lässt sich darauf zurückführen, dass die Antriebswelle regelmäßig unter Berücksichtigung zwei verschiedener Drehrichtungen rotiert. Diese beiden verschiedenen Drehrichtungen korrespondieren einerseits zu einer Öffnungsbewegung des Türflügels und andererseits zu einer Schließbewegung des Türflügels.For this purpose, the slip clutch according to the invention is equipped with at least one drive shaft wholly or partially enclosing friction element. Mostly even two friction elements are realized. This can be attributed to the fact that the drive shaft rotates regularly taking into account two different directions of rotation. These two different directions of rotation correspond on the one hand to an opening movement of the door leaf and on the other hand to a closing movement of the door leaf.
In diesem Zusammenhang ist es sogar möglich und denkbar, das jeweilige Reibelement unterschiedlich auszulösen, d. h. unter Berücksichtigung verschiedener Schwellen für die Drehgeschwindigkeit der Antriebswelle. D. h., die Auslösung des Reibelementes im Zuge der Türöffnung mag mit einer anderen Drehgeschwindigkeit der Antriebswelle flankiert sein als dies im Falle einer Türschließung geschieht.In this context, it is even possible and conceivable to trigger the respective friction element differently, d. H. taking into account various thresholds for the rotational speed of the drive shaft. D. h., The triggering of the friction element in the course of the door opening may be flanked with a different rotational speed of the drive shaft than in the case of a door closure happens.
In jedem Fall hat es sich bewährt, wenn die Betätigung des Kupplungsgliedes bzw. der Rutschkupplung und folglich des Reibelementes damit einhergeht, dass das Reibelement von seinem Umschlingungsquerschnitt her veränderbar ausgelegt ist. Wird der Umschlingungsquerschnitt des Reibelementes verringert, so legt sich das Reibelement an die Antriebswelle an und umschließt diese ganz oder teilweise. Hierzu korrespondiert die eingerückte Position des Kupplungsgliedes und folglich der Rutschkupplung. Wird das Reibelement dagegen von seinem Umschlingungsquerschnitt her aufgeweitet, so kommt die zuvor festgehaltene Antriebswelle frei und kann im Anschluss hieran mehr oder minder frei rotieren. Dann ist die ausgerückte Stellung des Kupplungsgliedes und folglich der Rutschkupplung und damit des Reibelementes erreicht.In any case, it has proven useful if the operation of the coupling member or the slip clutch and consequently of the friction element is accompanied by the fact that the friction element is designed to be changeable from its wrap cross section. If the Umschlingungsquerschnitt of the friction element is reduced, so the friction element applies to the drive shaft and surrounds this in whole or in part. For this purpose, the engaged position of the coupling member and consequently the slip clutch corresponds. If, however, the friction element is widened by its wrap-around cross-section, then the previously held drive shaft is released and can subsequently rotate more or less freely thereafter. Then the disengaged position of the coupling member and thus the slip clutch and thus the friction element is achieved.
Nach vorteilhafter Ausgestaltung ist das Reibelement zu diesem Zweck als in ihrem Durchmesser veränderbare Feder ausgebildet. Bei der besagten Feder kann es sich um eine Schlingfeder handeln. Eine solche Schlingfeder zeichnet sich durch einen wendelartigen Verlauf seiner Federwindungen ähnlich einer Schraubenfeder aus. Im Gegensatz zu einer Schraubenfeder kann eine Schlingfeder jedoch auch über einen nicht runden Federquerschnitt verfügen, ist dann vielmehr mit einem rechteckigen Federquerschnitt ausgerüstet. Dadurch kann die Breitseite des rechteckigen Federquerschnittes der von der Schlingfeder umschlossenen Antriebswelle zugewandt werden. Hierdurch lassen sich möglichst hohe Reibungskräfte zwischen Schlingfeder bzw. Reibelement und Antriebswelle übertragen.According to an advantageous embodiment, the friction element is designed for this purpose as variable in diameter spring. The said spring may be a wrap spring. Such a wrap spring is characterized by a helical course of its spring coils similar to a coil spring. In contrast to a helical spring, however, a wrap spring may also have a non-round spring cross-section, but rather is equipped with a rectangular spring cross-section. As a result, the broad side of the rectangular spring cross section of the enclosed by the wrap spring drive shaft are facing. As a result, the highest possible frictional forces between wrap spring and friction element and drive shaft can be transmitted.
Wie bereits erläutert, ist das Reibelement von seinem Umschlingungsquerschnitt her veränderbar ausgelegt und im Übrigen an die Antriebswelle angepasst. Da die Antriebswelle meistens zylindrisch ausgelegt ist, verfügt das Reibelement folgerichtig über einen bogenförmigen bzw. kreisförmigen Charakter, so dass die beschriebene Umschlingungsquerschnittänderung im Regelfall mit einer Durchmesseränderung des Reibelementes einhergeht. Um nun die Änderung des Umschlingungsquerschnittes bzw. des Durchmessers des Reibelementes zu bewirken, ist erfindungsgemäß das Stellelement vorgesehen, welches mit dem Reibelement wechselwirkt.As already explained, the friction element is designed changeable from its Umschlingungsquerschnitt ago and adapted otherwise to the drive shaft. Since the drive shaft is usually designed cylindrical, the friction element logically has an arcuate or circular character, so that the described Umschlingungsquerschnittänderung usually with a change in diameter of Frictional element is accompanied. In order to effect the change of the Umschlingungsquerschnittes or the diameter of the friction element, the adjusting element is provided according to the invention, which interacts with the friction element.
Das Stellelement ist an die Antriebswelle angeschlossen. Folgerichtig steuert die Antriebswelle über das Stellelement das Reibelement. Je nach Drehgeschwindigkeit der Antriebswelle wird das Reibelement über das Stellelement mehr oder minder beaufschlagt. D. h., das Stellelement wechselwirkt mit dem Reibelement, und zwar nach Maßgabe der Drehgeschwindigkeit der Antriebswelle.The actuator is connected to the drive shaft. Consequently, the drive shaft controls the friction element via the adjusting element. Depending on the rotational speed of the drive shaft, the friction element is acted upon by the adjusting element more or less. D. h., The actuator interacts with the friction element, in accordance with the rotational speed of the drive shaft.
Es hat sich bewährt, mit zwei Reibelementen zu arbeiten, wobei jeweils ein Reibelement zu einer Drehrichtung der Antriebswelle korrespondiert. Da das Reibelement meistens als in ihrem Durchmesser veränderbare Feder ausgelegt ist, wird in diesem Fall üblicherweise mit zwei als Federn ausgebildeten Reibelementen gearbeitet. Zur Darstellung der unterschiedlichen Drehrichtungen der Antriebswelle und deren Berücksichtigung sind die beiden genannten Federn üblicherweise mit gegenläufigen Windungen ausgerüstet. Auf diese Weise wechselwirkt eine Feder mit einer Drehrichtung der Antriebswelle, wohingegen die andere Feder mit der anderen Drehrichtung der Antriebswelle zusammenwirkt. Das Stellelement trägt diesen beiden unterschiedlichen Drehrichtungen dadurch Rechnung, dass das an das Stellelement angeschlossene Stellglied je nach Drehrichtung der Antriebswelle entweder das eine Reibelement oder das andere Reibelement beaufschlagt.It has proven useful to work with two friction elements, wherein in each case a friction element corresponds to a direction of rotation of the drive shaft. Since the friction element is usually designed as a variable in diameter spring, it is usually worked in this case with two friction elements designed as springs. To illustrate the different directions of rotation of the drive shaft and their consideration, the two said springs are usually equipped with opposing turns. In this way, a spring interacts with a direction of rotation of the drive shaft, whereas the other spring interacts with the other direction of rotation of the drive shaft. The actuator carries these two different directions of rotation account for the fact that the actuator connected to the actuator depending on the direction of rotation of the drive shaft acts either one friction element or the other friction element.
In diesem Zusammenhang ist die Auslegung meistens so getroffen, dass das Stellelement nach Überschreiten einer vorgegebenen Drehgeschwindigkeit der Antriebswelle das Reibelement von der Antriebswelle löst. Wird die vorgegebene Drehgeschwindigkeit unterschritten, so legt das Stellelement das Reibelement an die Antriebswelle an. Wie bereits erläutert, ist das Stellelement mit einem Exzenter oder dergleichen Stellglied ausgerüstet. Mit Hilfe dieses Stellgliedes kann der Umschlingungsquerschnitt des Reibelementes verändert werden. Dabei ist die Auslegung meistens so getroffen, dass das Stellglied in zwei Drehrichtungen wirkt, und zwar der zugehörigen Drehrichtung der Antriebswelle folgend. Auf diese Weise kann ein und dasselbe Stellglied sowohl das Reibelement für die eine Drehrichtung als auch das Reibelement für die andere Drehrichtung in seinem Umschlingungsquerschnitt wie gewünscht verändern.In this context, the interpretation is usually made such that the actuator after exceeding a predetermined rotational speed of the drive shaft releases the friction element of the drive shaft. If the predetermined rotational speed is exceeded, the actuating element applies the friction element to the drive shaft. As already explained, the actuator is equipped with an eccentric or the like actuator. With the help of this actuator, the Umschlingungsquerschnitt the friction element can be changed. The design is usually made so that the actuator acts in two directions, namely the following direction of rotation of the drive shaft. In this way, one and the same actuator can change both the friction element for the one direction of rotation and the friction element for the other direction of rotation in its Umschlingungsquerschnitt as desired.
Um dies im Detail zu erreichen, greift das Stellelement im Regelfall an einem Ende des Reibelementes an. Das andere Ende des Reibelementes wird demgegenüber festgehalten. Da es sich bei dem Reibelement vorteilhaft um eine Feder handelt, greift das Stellelement an einem Federende an, während das andere Federende eine Fixierung erfährt. Sofern mit zwei Federn gearbeitet wird, und zwar einer Feder je Drehrichtung der Antriebswelle, ist die Auslegung so getroffen, dass die jeweils freien Enden der Federn zueinander benachbart sind. Auf diese Weise kann ein und dasselbe Stellglied zur Beaufschlagung der beiden freien Federenden herangezogen werden.In order to achieve this in detail, the actuating element usually engages at one end of the friction element. The other end of the friction element is held in contrast. Since it is advantageous in the friction element is a spring, the actuator engages at one end of the spring, while the other end of the spring undergoes a fixation. If you work with two springs, one spring per direction of rotation of the drive shaft, the interpretation is made such that the respective free ends of the springs are adjacent to each other. In this way, one and the same actuator can be used to act on the two free spring ends.
Bei dem Stellelement handelt es sich im Regelfall um eine drehbare Welle oder Stange, die üblicherweise mit einem Dämpfungselement ausgerüstet ist. Die drehbare Welle oder Stange taucht meistens in das fragliche Dämpfungselement ein. Das Dämpfungselement ist vorteilhaft mit einer Kammer ausgerüstet, die mit einem Viskosemedium gefüllt ist. An die Kammer ist das Stellglied angeschlossen. Bei dem Stellglied mag es sich um einen Exzenter oder auch einen Nocken handeln, welcher typischerweise direkt oder unter Zwischenschaltung eines Stößels auf das jeweils freie Ende der Feder bzw. des Reibelementes arbeitet. Das ist selbstverständlich nur beispielhaft zu verstehen. Jedenfalls wird das Stellelement von der Antriebswelle direkt oder indirekt angetrieben und beaufschlagt. Sobald die Antriebswelle rotiert, erfährt auch das Stellelement im Regelfall eine Rotation.The actuator is usually a rotatable shaft or rod, which is usually equipped with a damping element. The rotatable shaft or rod usually dips into the damping element in question. The damping element is advantageously equipped with a chamber which is filled with a viscous medium. The actuator is connected to the chamber. The actuator may be an eccentric or a cam, which typically operates directly or with the interposition of a plunger on the respective free end of the spring or the friction element. This is of course only to be understood as an example. In any case, the actuator is directly or indirectly driven and acted upon by the drive shaft. As soon as the drive shaft rotates, the actuator also normally undergoes a rotation.
Je größer die Drehgeschwindigkeit der Antriebswelle ist, um so höher ist auch die Rotationsgeschwindigkeit des Stellelementes. Die Rotationsgeschwindigkeit des Stellelementes bzw. dessen Bewegungen werden durch das Dämpfungselement gedämpft. Ab einer bestimmten Drehgeschwindigkeit des Stellelementes wird die das Stellelement umschließende bzw. aufnehmende Kammer mit dem daran angeschlossenen Stellglied ausgelenkt. Dann ist die vorgegebene Drehgeschwindigkeit der Antriebswelle erreicht, welche dazu korrespondiert, dass das Reibelement von der Antriebswelle gelöst wird.The greater the rotational speed of the drive shaft, the higher the rotational speed of the actuating element. The rotational speed of the actuating element or its movements are damped by the damping element. From a certain rotational speed of the control element, the control element enclosing or receiving chamber is deflected with the actuator connected thereto. Then, the predetermined rotational speed of the drive shaft is reached, which corresponds to the fact that the friction element is released from the drive shaft.
Denn das ausgelenkte Stellglied sorgt seinerseits dafür, dass das freie Ende der Feder beaufschlagt wird. Da das dem freien Ende gegenüberliegende feste Ende der Feder fixiert ist, sorgt die Beaufschlagung des freien Endes der Feder dafür, dass die Feder die gewünschte Durchmessererweiterung erfährt. Als Folge hiervon wird die zuvor festgehaltene Antriebswelle freigegeben und kann unmittelbar und nahezu widerstandsfrei rotieren. Auf diese Weise kann die Rutschkupplung in Abhängigkeit von der Drehgeschwindigkeit der Antriebswelle ausgelöst werden. Sobald die besagte Drehgeschwindigkeit unterschritten wird, kann das Stellelement die Kammer und mit ihr das angeschlossene Stellglied nicht mehr im Sinne einer Drehung beaufschlagen, so dass das freie Ende der Feder keine Auslenkung mehr erfährt. Die Feder zieht sich zusammen und legt sich an die Antriebswelle an, welche im Anschluss hieran blockiert wird.Because the deflected actuator in turn ensures that the free end of the spring is acted upon. Since the free end of the opposite fixed end of the spring is fixed, the application of the free end of the spring ensures that the spring experiences the desired diameter enlargement. As a result, the previously held drive shaft is released and can rotate immediately and almost without resistance. In this way, the slip clutch can be triggered in response to the rotational speed of the drive shaft. Once the said rotational speed is exceeded, the actuator can no longer act on the chamber and with her the actuator connected in the sense of rotation, so that the free end of the spring experiences no deflection. The spring contracts and attaches itself to the drive shaft, which is subsequently blocked.
Im Ergebnis wird eine Türeinheit zur Verfügung gestellt, die mit einem speziellen Kupplungsglied veränderbarer Schließkraft ausgerüstet ist. Tatsächlich lässt sich das Kupplungsglied in Abhängigkeit von der Drehgeschwindigkeit der Antriebswelle auslösen. D. h., das Kupplungsglied bzw. die an dieser Stelle realisierte Rutschkupplung wird nach Maßgabe der Drehgeschwindigkeit der Antriebswelle entweder eingerückt oder ausgerückt.As a result, a door unit is provided, which is equipped with a special coupling member variable clamping force. In fact, the coupling member can be triggered in dependence on the rotational speed of the drive shaft. D. h., The coupling member or realized at this point slip clutch is either engaged or disengaged in accordance with the rotational speed of the drive shaft.
Überschreitet die Antriebswelle die vorgegebene Drehgeschwindigkeit, so wird das Kupplungsglied bzw. die Rutschkupplung ausgerückt und gibt die zuvor festgehaltene Antriebswelle frei. Diese kann folglich widerstandsfrei oder nahezu ohne Widerstand rotieren. Wird jedoch die vorgegebene Drehgeschwindigkeit der Antriebswelle unterschritten, so wird die Freigabe der Rutschkupplung aufgehoben und die Rutschkupplung rückt ein. Als Folge hiervon wird die Antriebswelle blockiert.Exceeds the drive shaft, the predetermined rotational speed, the coupling member or the slip clutch is disengaged and releases the previously held drive shaft. This can consequently rotate without resistance or with almost no resistance. However, if the predetermined rotational speed of the drive shaft is exceeded, the release of the slip clutch is released and the slip clutch engages. As a result, the drive shaft is blocked.
Die frei rotierende Antriebswelle korrespondiert dazu, dass der hiermit wechselwirkende Türflügel der Türeinheit problemlos hin- und herbewegt werden kann. Dazu ist eine bestimmte Geschwindigkeit der Schwenkbewegung des Türflügels erforderlich, die dazu korrespondiert, dass die Antriebswelle die vorgegebene Drehgeschwindigkeit überschreitet. Wird jedoch der Türflügel mit einer geringeren Schwenkgeschwindigkeit bewegt, so fällt auch die Geschwindigkeit der Antriebswelle unter die vorgegebene Drehgeschwindigkeit und der Türflügel erfährt eine Blockade.The freely rotating drive shaft corresponds to the fact that the hereby interactive door leaf of the door unit can be easily moved back and forth. For this purpose, a certain speed of the pivoting movement of the door leaf is required, which corresponds to the fact that the drive shaft exceeds the predetermined rotational speed. However, if the door is moved at a lower swing speed, so does the speed of the drive shaft below the predetermined rotational speed and the door undergoes a blockage.
Das alles lässt sich besonders kostengünstig, einfach und ohne zusätzliche elektrische oder mechanische Glieder komplizierten Aufbaus erreichen. Hierin sind die wesentlichen Vorteile zu sehen.All this can be achieved particularly cost-effectively, simply and without additional electrical or mechanical links of complicated structure. Here are the main benefits.
Im Folgenden wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung näher erläutert; es zeigen:
- Fig. 1
- Eine erfindungsgemäße Türeinheit schematisch,
- Fig. 2
- das Kupplungsglied in einer Übersicht,
- Fig. 3
- einen Detailausschnitt aus der
Fig. 2 im Rahmen einer abgewandelten Ausführungsform und - Fig. 4
- einen schematischen Querschnitt durch den Gegenstand nach
Fig. 2 entlang einer Linie A-A.
- Fig. 1
- A door unit according to the invention schematically,
- Fig. 2
- the coupling member in an overview,
- Fig. 3
- a detail from the
Fig. 2 in the context of a modified embodiment and - Fig. 4
- a schematic cross section through the subject to
Fig. 2 along a line AA.
In der
Durch die Schwenkbewegung s wird eine Zahnstange 3 hin und herbewegt, die an den Türflügel 1 angeschlossen ist. Linearbewegungen der Zahnstange 3 werden auf eine Antriebswelle 4 übertragen. Die Zahnstange 3 und die Antriebswelle 4 fungieren zusammengenommen als Bewegungsübertragungsglied 3, 4, welches an den Türflügel 1 angeschlossen ist. Je größer die Schwenkgeschwindigkeit S ausgelegt ist, um so größer ist folgerichtig auch die Drehgeschwindigkeit der Antriebswelle 4.By the pivoting
Von der Antriebswelle 4 wird ein schematisch in der
Anhand der Darstellung nach
Tatsächlich sind im Rahmen des Ausführungsbeispiels zwei Reibelemente 6, 7 vorgesehen. Dabei gehört das eine Reibelement 6 zu einer Drehrichtung der Antriebswelle 4, vorliegend deren Drehung im Uhrzeigersinn. Dagegen gehört das andere Reibelement 7 zu einer Gegenuhrzeigersinndrehung der Antriebswelle 4.In fact, two
Beide Reibelemente 6, 7 sind von ihrem Umschlingungsquerschnitt her veränderbar ausgelegt. Bei dem jeweiligen Reibelement 6, 7 handelt es sich um eine in ihrem Durchmesser veränderbare Feder 6, 7. Tatsächlich ist das jeweilige Reibelement 6, 7 im Rahmen des Ausführungsbeispiels als Schlingfeder 6, 7 ausgelegt. Die Schlingfeder 6, 7 verfügt über einen rechteckigen Federquerschnitt, wobei die größte Breite des rechteckigen Federquerschnittes der Antriebswelle 4 zugewandt ist. Dadurch lassen sich maximale Reibungskräfte auf die Antriebswelle 4 seitens der Feder 6, 7 übertragen. Man erkennt, dass die beiden Federn 6, 7 mit gegenläufigen Windungen ausgerüstet sind. Jede Feder 6, 7 verfügt über ein jeweils festes Ende 6a, 7a und ein freies Ende 6b, 7b.Both
Dadurch, dass die beiden Federn 6, 7 mit gegenläufigen Windungen ausgerüstet sind, lässt sich die Auslegung so treffen, dass die jeweils festen Enden 6a, 7a über einen maximalen Abstand zueinander verfügen, wohingegen die freien Enden 6b, 7b in unmittelbarer Nachbarschaft zueinander angeordnet sind. Auf diese Weise besteht die Möglichkeit, das jeweilige Reibelement 6, 7 mit einem einzigen Stellelement 8 zu beaufschlagen.Characterized in that the two
Das Stellelement 8 ist an die Antriebswelle 4 angeschlossen, und zwar im Rahmen des Ausführungsbeispiels unter Zwischenschaltung eines Dämpfungselementes 9. Außerdem verfügt das Stellelement 8 über einen Anschluss zu einem Stellglied 11. In diesem Zusammenhang ist die Auslegung so getroffen, dass das Stellelement 8 jeweiligen Rotationen der Antriebswelle 4 im Gegenuhrzeigersinn und im Uhrzeigersinn folgt und auch folgen kann. Dagegen vollführt das Stellglied 11 nur Drehungen oder Schwenkbewegungen im Gegenuhrzeigersinn, wie ein entsprechender Pfeil in
Das Dämpfungselement 9 besitzt eine Kammer 10, die ein Viskosemedium im Innern aufnimmt. Je nach dem, wie stark die Antriebswelle 4 rotiert, wird das im Innern der Kammer 10 befindliche Viskosemedium mehr oder minder "mitgenommen" und sorgt ab einer bestimmten und vorgegebenen Drehgeschwindigkeit der Antriebswelle 4 dafür, dass die Kammer 10 eine Auslenkung erfährt. In gleicher Weise wird auch das Stellelement 8 ausgelenkt und erfährt das mit dem Stellelement 8 indirekt über das Übertragungsglied verbundene Stellglied 11 eine Beaufschlagung. Bei dem Stellglied 11 handelt es sich im Rahmen des Ausführungsbeispiels nach der
Das Stellglied 11 bzw. der Doppelnocken 11 arbeitet auf Stößel 12, die jeweils das freie Ende 6b einerseits der Feder 6 bzw. 7b andererseits der Feder 7 auslenken. Tatsächlich führt eine Drehung des Stellgliedes bzw. Doppelnockens 11 in jeder Drehrichtung des Stellelementes 8 dazu, dass das freie Ende 6b der Feder 6 und das freie Ende 7b der Feder 7 von dem Stößel 12 beaufschlagt werden und zu einer in der
Die
Die prinzipielle Funktionsweise ist wie folgt. Sobald der Türflügel 1 eine Schwenkbewegung s vollführt, wird die Antriebswelle 4 rotiert. Dabei müssen zunächst Reibungskräfte der beiden Reibelemente bzw. Federn 6, 7 überwunden werden. Die Antriebswelle 4 rotiert auch innerhalb der Kammer 10. Diese Rotationen führen allerdings nicht dazu, dass die Kammer 10 und auch das an die Kammer 10 angeschlossene Stellelement 8 eine Drehung erfahren. Tatsächlich handelt es sich bei dem Stellelement 8 im Rahmen des Ausführungsbeispiels um eine drehbare Welle oder Stange.The basic mode of operation is as follows. As soon as the door leaf 1 performs a pivoting movement s, the
Überschreitet jedoch die Schwenkgeschwindigkeit S des Türflügels 1 bzw. die damit zusammenhängende Drehgeschwindigkeit der Antriebswelle 4 einen vorgegebenen Wert, so ist die Antriebswelle 4 unter Zwischenschaltung des Dämpfungselementes 9 in der Lage, die Kammer 10 zu rotieren. Die rotierende Kammer 10 sorgt über das Stellelement 8 und das indirekt daran angeschlossene Stellglied 11 dafür, dass auch das betreffende Stellglied 11 bzw. der zugehörige Doppelnocken 11 eine Rotation im Gegen Uhrzeigersinn erfährt. Diese Rotation ist in der
Da die beiden Stößel 12 die jeweils freien Federenden 7b bzw. 6b der zugehörigen Federn 6, 7 auslenken, erfahren die beiden Federn 6, 7 eine Durchmesservergrößerung. Die Durchmesservergrößerung der Federn 6, 7 führt dazu, dass die zuvor festgehaltene Antriebswelle 4 nicht (mehr) von den Federn 6, 7 festgehalten wird und frei rotieren kann. Als Folge hiervon lässt sich der Türflügel 1 nahezu widerstandsfrei hin und her bewegen.Since the two
Die beiden freien Federenden 6b, 7b sind jeweils mit Hilfe eines verstellbaren Anschlages 14 fest in dem zugehörigen Gehäuse 13 eingespannt bzw. am Türflügel 1 festgelegt. Mit Hilfe des jeweiligen Anschlages 14 kann zusätzlich ein Drehmoment vorgegeben werden, gegen welches die Stößel 12 arbeiten müssen, um das jeweils freie Federende 6b, 7b auslenken zu können und folglich die gewünschte Durchmesservergrößerung der Feder 6, 7 zu bewirken. Dadurch lassen sich nicht nur Vorgaben hinsichtlich der erforderlichen Drehgeschwindigkeit der Antriebswelle 4 zum Auslösen des Kupplungsgliedes bzw. der Rutschkupplung 5 realisieren, sondern auch dahingehend, dass seitens der Antriebswelle 4 und folglich des damit zusammenwirkenden Türflügels 1 ein bestimmtes Mindestdrehmoment überschritten werden muss. D. h. , nach vorteilhafter Ausgestaltung lässt sich das Kupplungsglied nicht nur in Abhängigkeit von der Drehgeschwindigkeit der Antriebswelle 4 auslösen, sondern zusätzlich und ergänzend noch in Abhängigkeit eines Drehmomentes, welches letztlich mit Hilfe der beiden Anschläge 14 vorgegeben wird.The two free spring ends 6b, 7b are each fixed by means of an
Claims (9)
- Door unit, in particular motor vehicle door unit, having a movement transmission member (3, 4) with drive shaft (4) connected to a door panel (1), and having closing force which is variable by a coupling member (5) on which the drive shaft (4) acts, wherein the coupling member (5) is embodied as a slip clutch which can be actuated depending on the rotating speed of the drive shaft (4) and has at least one friction element (6, 7) that partially or completely surrounds the drive shaft (4), and wherein the friction element (6, 7) interacts with an adjustment element (8) to change its clasping cross-section, characterized in that the adjustment element (8) is connected to the drive shaft (4) and acts on the friction element (6, 7) according to its rotating speed.
- Door unit according to Claim 1, characterized in that the friction element (6, 7) is designed to be variable in terms of its clasping cross-section.
- Door unit according to Claim 2, characterized in that the friction element (6, 7) is embodied as a spring (6, 7) whose diameter is variable, particularly a wrap spring (6, 7).
- Door unit according to any one of Claims 1 to 3, characterized in that two friction elements (6, 7) designed as springs (6, 7) are realised.
- Door unit according to Claim 4, characterized in that the two springs (6, 7) are furnished with windings which run in the opposite direction to each other.
- Door unit according to any one of Claims 1 to 5, characterized in that the two friction elements (6, 7) correspond to different directions of rotation of the drive shaft (4).
- Door unit according to any one of Claims 1 to 6, characterized in that when the rotating speed of the friction element (6, 7) exceeds a predetermined value the adjustment element (8) disconnects it from the drive shaft (4) and when the rotating speed falls below the predetermined value the adjustment element connects the friction element (6, 7) to the drive shaft (4).
- Door unit according to any one of Claims 1 to 7, characterized in that the adjustment element (8) is equipped with a cam or actuator (11) of such kind in order to alter the clasping cross-section of the friction element (6, 7).
- Door unit according to any one of Claims 1 to 8, characterized in that the adjustment element (8) engages with one end of the friction element (6b, 7b) while the other end (6a, 7a) is held in place.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202010012442U DE202010012442U1 (en) | 2010-09-10 | 2010-09-10 | door unit |
PCT/DE2011/001694 WO2012031585A1 (en) | 2010-09-10 | 2011-09-07 | Door unit |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2614202A1 EP2614202A1 (en) | 2013-07-17 |
EP2614202B1 true EP2614202B1 (en) | 2019-06-12 |
Family
ID=44913146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11779570.8A Active EP2614202B1 (en) | 2010-09-10 | 2011-09-07 | Door unit |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2614202B1 (en) |
DE (1) | DE202010012442U1 (en) |
WO (1) | WO2012031585A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202012004131U1 (en) * | 2012-04-25 | 2013-07-30 | Kiekert Aktiengesellschaft | door unit |
DE102012108366B3 (en) * | 2012-09-07 | 2014-03-13 | Kiekert Aktiengesellschaft | Door unit i.e. motor car door unit, has free wheel unit assigned to drive and activatable by motor drive and inserted between motor drive and drive shaft, where motor drive is reversed at short period of time |
FR3084019B1 (en) * | 2018-07-17 | 2020-06-26 | Renault S.A.S | ARRANGEMENT FOR PARTIALLY LOCKING A VEHICLE OPENING ELEMENT DURING OPENING AND / OR CLOSING |
CN110145199A (en) * | 2019-06-06 | 2019-08-20 | 宁波市五角阻尼股份有限公司 | Intelligent door control system based on Internet of Things |
WO2022243183A1 (en) * | 2021-05-17 | 2022-11-24 | Brose Schliesssysteme Gmbh & Co. Kommanditgesellschaft | Opening a motor vehicle door |
CN114718408A (en) * | 2022-05-20 | 2022-07-08 | 深圳科力行智能科技有限公司 | Opening and closing device and control method thereof |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19844265C2 (en) | 1998-09-26 | 2002-02-28 | Kiekert Ag | Device for the electromotive or electromotively assisted actuation of a tailgate or similar closing device |
US6607236B2 (en) * | 2001-12-05 | 2003-08-19 | Ventra Group Inc. | Door support system |
US7257860B2 (en) * | 2003-10-13 | 2007-08-21 | Reell Precision Manufacturing Corporation | Brake mechanism |
FR2865234B1 (en) * | 2004-01-21 | 2006-03-17 | Coutier Moulage Gen Ind | DOOR STOP WITH INDEFINITE POSITION FOR VEHICLE DOOR |
DE102007019030A1 (en) * | 2007-04-18 | 2008-10-23 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg | Door locking device e.g. hydraulic door locking device, for motor vehicle door, has release device to release tension of spring, when torque affecting output element is larger than or equal to actuating torque |
JP4389992B2 (en) | 2007-10-26 | 2009-12-24 | 三菱自動車工業株式会社 | Door opening movement regulating device |
DE202008011513U1 (en) * | 2008-08-29 | 2010-01-07 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg | A door stay |
DE102009006946B4 (en) | 2009-01-30 | 2016-10-06 | Kiekert Ag | Door, in particular motor vehicle door |
-
2010
- 2010-09-10 DE DE202010012442U patent/DE202010012442U1/en not_active Expired - Lifetime
-
2011
- 2011-09-07 WO PCT/DE2011/001694 patent/WO2012031585A1/en active Application Filing
- 2011-09-07 EP EP11779570.8A patent/EP2614202B1/en active Active
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
EP2614202A1 (en) | 2013-07-17 |
DE202010012442U1 (en) | 2011-12-12 |
WO2012031585A1 (en) | 2012-03-15 |
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