Source: https://patents.google.com/patent/DE102005030052B4/en
Timestamp: 2020-07-16 18:21:45
Document Index: 246963480

Matched Legal Cases: ['art 5', 'art 6', 'art 16', 'arts 6', 'art 6', 'art 16', 'art 16', 'art 16']

DE102005030052B4 - driving means - Google Patents
DE102005030052B4
DE102005030052B4 DE200510030052 DE102005030052A DE102005030052B4 DE 102005030052 B4 DE102005030052 B4 DE 102005030052B4 DE 200510030052 DE200510030052 DE 200510030052 DE 102005030052 A DE102005030052 A DE 102005030052A DE 102005030052 B4 DE102005030052 B4 DE 102005030052B4
DE200510030052
DE102005030052A1 (en
2005-06-27 Application filed by Stabilus GmbH filed Critical Stabilus GmbH
2005-06-27 Priority to DE200510030052 priority Critical patent/DE102005030052B4/en
2006-12-28 Publication of DE102005030052A1 publication Critical patent/DE102005030052A1/en
2012-03-08 Publication of DE102005030052B4 publication Critical patent/DE102005030052B4/en
239000000789 fastener Substances 0.000 claims abstract description 14
The invention relates to a drive device for a flap of a vehicle, with a first attachment element which can be connected to a stationary component or a movable component and with a housing tube 1 which is axially movable relative to the first attachment element. The housing tube 1 has its first one Fastener opposite end to a fastened to the movable member or the fixed component second fastener. A spindle drive has a threaded spindle 8 and a spindle nut 9 arranged thereon, wherein the first fastening element and the housing tube 1 can be driven axially relative to one another by the spindle drive. In this case, the spindle drive is rotatably driven by a rotary drive. The threaded spindle 8 is rotatably mounted with its one end to the housing tube 1 and axially fixed relative to the housing tube 1 and rotatably driven by the rotary drive. Furthermore, the spindle nut 9 connected to the first fastening element is secured against rotation with respect to the housing tube 1.
The invention relates to a drive device, in particular for a flap of a vehicle, with a first attachment element which can be connected to a stationary component or a movable component and with a housing tube which can be moved axially relative to the first attachment element and which is opposite to the first attachment element End having a fastened to the movable member or the fixed component second fastener having a threaded spindle and a threaded spindle arranged on the spindle nut having spindle drive through which the first fastener and the housing tube are axially movable relative to each other movable, wherein the spindle drive of a rotary drive is rotatably driven, wherein the spindle drive is rotatably driven by a rotary drive and the threaded spindle rotatably mounted with its one end to the housing tube and axially relative to the housing tube arranged fixed and is rotatably driven by the rotary drive.
In such drive devices, as in the DE 92 18 638 U1 and the US 65 16 567 B1 are shown, it is known to form the fasteners as mounting ears to support the moment of the spindle nut relative to the movable member and the stationary component.
But this leads to a complex assembly of the drive device.
The object of the invention is therefore to provide a drive device of the type mentioned, which is simple and easy to install.
This object is achieved in that the spindle nut is connected to one end of the threaded spindle coaxially enclosing the spindle tube, at the other end, the first fastener is fixed, that on the housing tube a spindle tube with distance enclosing guide tube is arranged and that with The spindle nut connected to the first fastening element is secured against rotation relative to the housing tube by the guide tube having a radially continuous axial slot into which a radially directed support pin of the spindle nut protrudes.
This design results in that the spindle nut torque is supported within the drive means and does not have to be supported via the fastening elements on the movable member and the fixed component.
This makes it possible to fix the drive device in any orientation on the movable member and the fixed component, whereby the mountability of the drive device considerably simplified.
In a simple and easy to produce way, the housing tube by a reshaping such. B. deep drawing made metal component, in particular aluminum component.
The spindle tube can be a by forming such. B. deep drawing made metal component, in particular aluminum component.
Preferably, the rotary drive is an electric motor, through the output shaft, the threaded spindle or a coupling component of a clutch is rotatably driven.
To reduce the speed and increase the torque of the spindle drive via a gearbox of the rotary drive can be driven rotatably.
If the spindle drive can be driven rotatably by the rotary drive via a flexible shaft, then the rotary drive can be arranged at a location other than the spindle drive.
For a compact design but also the rotary drive and / or the transmission can be arranged fixed in the housing tube.
If the transmission is a helical gear and / or a planetary gear, so only a small noise emission, which is further minimized when the drehantriebsnahen stages of the transmission are designed as helical stages.
It leads to a simple and in any rotational position to the longitudinal axis of the drive device mountable embodiment, if one or both of the fastening elements are a ball head or a ball socket of a ball joint.
To support the power of the drive device and thus a flap weight balance and to a small dimensioning of the rotary drive, it leads when the first fastener is acted upon or acted upon by a spring force in the extension of the housing tube away.
This can be done over the entire Verstellhub or only over part of the Verstellhubes.
For this purpose, in a simple embodiment, the first fastener of a on the Housing tube supported compression spring, in particular a helical compression spring acted upon.
Alternatively or additionally, the first fastening element can also be acted on by a gas pressure.
The force required to move the spindle manually is preferably chosen to be such that the flap can be held in intermediate positions with the rotary drive disengaged. Thus, in electromotive rotary drive an electroless stop position can be realized easily.
Is by a Huberfassungssensor the stroke position of the spindle tube can be detected, so its output signals in particular for synchronization with parallel use of two drive means on the flap can be used. But it is also determined by the output signal and the travel position of the drive device.
In a simple and only small space-requiring training while the Huberfassungssensor be a linear potentiometer whose grinder is firmly connected to the spindle tube or the housing tube and the slider track with the housing tube or the spindle tube.
For determining the travel speed, the travel position and the synchronization of parallel drive devices, the spindle revolutions can be detected by a spindle sensor.
In this case, the spindle sensor is preferably a Hall sensor firmly connected to the housing tube, to which a magnetic ring fixedly connected to the threaded spindle is arranged opposite, which leads to a simple configuration.
For the same purpose also by a drive sensor, the engine revolutions or the gear revolutions or clutch revolutions can be detected.
A simple and space-saving design consists in the fact that the drive sensor is a fixed, in particular with the housing tube firmly connected Hall sensor, which is arranged opposite to a permanently connected to the output shaft of the rotary drive or with a gear part or with a coupling part magnetic ring.
To decouple the rotary drive of the spindle drive, the spindle drive via an openable coupling of the rotary drive can be driven rotatably.
This coupling can be a positive or a frictional coupling.
For coupling and disengaging the clutch may be a switchable, in particular switchable magnetic coupling.
On a special coupling drive but can be omitted if the clutch is open at unloaded or in the extension direction loaded drive device and closable by loading the drive device in the retraction direction clutch.
This results in a simple way to a manual mobility with comfortable hand forces in the pulling direction of the drive device, since then the rotary drive and possibly the transmission can not act inhibiting on the spindle.
Since no tensile forces can be transmitted, further results in an optimal obstacle detection and obstacle switching when closing the door.
The flap weight compensation is preferably designed so that always a resulting moment acts in the closing direction. This means that the drive device must always be able to open the flap by motor. To close the flap must be drained only at a defined speed.
In another embodiment, the helical compression spring surrounds the guide tube at a distance and is likewise enclosed at a distance by a connecting tube connected to the first fastening element, so that the helical compression spring is both guided and radially protected inwards and outwards.
A protection of the components of the drive device against contamination and damage is achieved in that the housing tube and the overtube are telescopically slidable.
By the radially continuous axial slot of the guide tube of the spindle tube fixedly arranged grinder protrudes to the fixedly arranged on the guide tube slider track.
For easy manual operation with good efficiency, the threaded spindle is a multi-start spindle, preferably with a pitch of ≥ 10 mm.
It leads to a slim design, if the components rotary drive and / or gear and / or clutch and / or spindle drive are arranged in series to each other.
Are the components rotary drive and / or gear and / or clutch and / or spindle drive in Arranged parallel to each other, so a not so slim, but shorter training is possible.
1 a cross section of a first embodiment of a drive device
2 an enlarged section "X" of the drive device after 1
3 an exploded perspective view of the drive device according to 1
4 a cross section of a second embodiment of a drive device
5 an exploded perspective view of the drive device according to 4
6 a cross section of a third embodiment of a drive device
7 an exploded perspective view of the drive device according to 6 ,
The drive devices shown in the figures have a housing tube 1 on which an overtube 2 is guided telescopically displaceable.
At the housing tube 1 opposite end of the overtube 2 is a first ball socket 3 and on the overpass 2 opposite end of the housing tube 1 a second ball socket 4 arranged, by means of which the drive means to a fixed body component of a motor vehicle and to a flap formed as a movable component of the motor vehicle is articulated connectable.
In the overtube 2 facing end of the housing tube 1 is a first storage part 5 firmly inserted, in which a first coupling part 6 a frictional clutch 7 is rotatably mounted, firmly on one end of a in the overtube 2 protruding threaded spindle 8th sitting.
On the threaded spindle 8th is a spindle nut 9 opposite the housing tube 1 arranged rotationally fixed.
The spindle nut is in a spindle tube 11 enclosing guide tube 10 axially displaceable guided, with the housing tube 1 is firmly connected.
Coaxially opposed to the first coupling part is in the housing tube 1 a second coupling part 16 arranged, being between the two coupling parts 6 and 16 an annular friction lining 28 located.
The first coupling part 6 and the second coupling part 16 have such a movement between them, they can move away from each other a releasing frictional connection axially.
An output shaft 19 a particular multi-stage transmission 20 is coaxially against rotation with the second coupling part 16 connected, the transmission 20 from an electric motor 21 is rotatably driven.
In the embodiments of the 1 to 5 are gears 20 and electric motor 21 coaxial with the coupling 7 in the housing tube 1 arranged.
In the embodiment of the 6 and 7 is the electric motor 21 parallel to the housing tube 1 arranged, wherein the rotational movement of the output pinion 22 of the electric motor 21 from the transmission 20 in the housing tube 1 is transmitted to there through the output shaft 19 of the transmission 20 on the second coupling part 16 to be transferred.
As in particular in 2 can be seen, the embodiment of the 1 to 3 one as a linear potentiometer 23 trained Huberfassungssensor on.
This is close to the spindle nut 9 a grinder 24 on the spindle tube 11 arranged through one of the axial slots 14 protrudes and with the spindle nut 9 and the spindle tube 11 along a slider track 25 is movable, extending over this axial slot 14 extends on its outside.
In the embodiments of the 4 to 7 a spindle sensor is provided, one on the guide tube 10 arranged Hall sensor 26 having, which radially a magnetic ring 27 opposite, with the threaded spindle 8th is firmly connected.
Drive device in particular for a flap of a vehicle, with a connectable to a fixed component or a movable member first fastener and with an opposite end of the first fastener axially relative to the movable housing tube, the at its first fastener opposite end with the movable member or the fixed component fastened second fastener having a threaded spindle and a threaded spindle arranged on the spindle spindle having spindle through which the first fastener and the housing tube are axially movable relative to each other movable, wherein the spindle drive is rotatably driven by a rotary drive and the threaded spindle rotatably mounted with its one end on the housing tube and axially fixed relative to the housing tube and is rotatably driven by the rotary drive, characterized in that the di e spindle nut ( 9 ) with one end of a threaded spindle ( 8th ) coaxially surrounding spindle tube ( 11 ) is connected, at the other end, the first fastening element is fixedly arranged, that on the housing tube ( 1 ) a the spindle tube ( 11 ) by far enclosing guide tube ( 10 ) is arranged and that connected to the first fastening element spindle nut ( 9 ) opposite the housing tube ( 1 ) is secured against rotation by the fact that the guide tube ( 10 ) a radially continuous axial slot ( 14 ), in which a radially directed support pin ( 15 ) of the spindle nut ( 9 ) protrudes into it.
Drive device according to claim 1, characterized in that the rotary drive is an electric motor ( 21 ) is, through whose output shaft, the threaded spindle or a coupling component ( 16 ) a coupling ( 9 ) is rotatably driven.
Drive device according to one of the preceding claims, characterized in that the spindle drive via a transmission ( 20 ) is rotatably driven by the rotary drive.
Drive device according to one of the preceding claims, characterized in that the spindle drive is rotatably drivable by the rotary drive via a flexible shaft.
Drive device according to one of claims 1 to 4, characterized in that the rotary drive and / or the transmission ( 20 ) firmly in the housing tube ( 1 ) are arranged.
Drive device according to claim 3, characterized in that the transmission ( 2 ) is a spur gear and / or a planetary gear.
Drive device according to claim 4, characterized in that the rotary drive close stages of the transmission are formed as helical stages.
Drive device according to one of the preceding claims, characterized in that one or both of the fastening elements is a ball head or a ball socket ( 3 . 4 ) are a ball joint.
Drive device according to claim 9, characterized in that the first fastening element of a on the housing tube ( 1 ) supported compression spring, in particular a helical compression spring ( 12 ) is acted upon.
Drive device according to claim 9, characterized in that the first fastening element is acted upon by a gas pressure.
Drive device according to one of the preceding claims, characterized in that the stroke position of the spindle tube (FIG. 11 ) is detectable.
Drive device according to Claim 12, characterized in that the stroke detection sensor is a linear potentiometer ( 23 ), whose grinder ( 24 ) on the spindle tube ( 11 ) or the housing tube and its slider track ( 25 ) ( 1 ) is firmly connected to the housing tube or the spindle tube.
Drive device according to one of the preceding claims, characterized in that the spindle revolutions can be detected by a spindle sensor.
Drive device according to claim 14, characterized in that the spindle sensor is connected to the housing tube ( 1 ) permanently connected Hall sensor ( 26 ), the one with the threaded spindle ( 8th ) firmly connected magnetic ring ( 27 ) is arranged opposite one another.
Drive device according to one of the preceding claims, characterized in that the engine revolutions or the gear revolutions or clutch revolutions can be detected by a drive sensor.
Drive device according to claim 14, characterized in that the drive sensor is a fixed, in particular with the housing tube firmly connected Hall sensor, which is arranged opposite to a fixed to the output shaft of the rotary drive or with a gear part or with a coupling part magnetic ring.
Drive device according to one of the preceding claims, characterized gekennzeichne that the spindle drive via an openable coupling ( 7 ) is rotatably driven by the rotary drive.
Drive device according to claim 18, characterized in that the coupling ( 7 ) is a positive or a frictional coupling.
Drive device according to one of claims 18 and 19, characterized in that the coupling is a switchable, in particular switchable magnetic coupling.
Drive device according to one of Claims 18 and 19, characterized in that the coupling ( 7 ) is an open at unloaded or in the extension direction loaded drive device and closable by loading the drive device in the retraction direction clutch.
Drive device according to one of claims 9 or 10, characterized in that the helical compression spring ( 12 ) the guide tube ( 10 ) encloses at a distance and also at a distance from a connected to the first fastener overtube ( 2 ) is enclosed.
Drive device according to one of Claims 1 and 22, characterized in that the housing tube ( 1 ) and the overtube ( 2 ) are telescopically slidable.
Drive device according to one of claims 12 and 13, characterized in that the on the spindle tube ( 11 ) fixed grinder ( 24 ) through the axial slot ( 14 ) to the fixed to the guide tube ( 10 ) arranged grinding track ( 25 ) protrudes.
Drive device according to one of the preceding claims, characterized in that the threaded spindle is a multi-start spindle.
Drive device according to one of the preceding claims, characterized in that the threaded spindle has a pitch of ≥10 mm.
Drive device according to one of the preceding claims, characterized in that the components rotary drive and / or gear ( 20 ) and / or coupling ( 7 ) and / or spindle drive are arranged in series with each other.
Drive device according to one of the preceding claims, characterized in that the components rotary drive and / or transmission ( 20 ) and / or coupling ( 7 ) and / or spindle drive are arranged in parallel with each other.
DE200510030052 2005-06-27 2005-06-27 driving means Active DE102005030052B4 (en)
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CN2006100864644A CN1891964B (en) 2005-06-27 2006-06-21 Drive device
US11/473,252 US7681469B2 (en) 2005-06-27 2006-06-22 Drive device
JP2006176421A JP4430044B2 (en) 2005-06-27 2006-06-27 Drive device
DE102005030052A1 DE102005030052A1 (en) 2006-12-28
DE102005030052B4 true DE102005030052B4 (en) 2012-03-08
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2006-05-16 EP EP20060010022 patent/EP1767439B1/en active Active
2006-06-21 CN CN2006100864644A patent/CN1891964B/en active IP Right Grant
2006-06-22 US US11/473,252 patent/US7681469B2/en not_active Expired - Fee Related
2006-06-27 JP JP2006176421A patent/JP4430044B2/en active Active
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EP1767439A2 (en) 2007-03-28
CN1891964B (en) 2011-04-20
US7681469B2 (en) 2010-03-23
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