EP3510230A1 - Mécanisme d'entraînement pour lève-vitre, comprenant un axe d'arbre s'étendant obliquement - Google Patents

Mécanisme d'entraînement pour lève-vitre, comprenant un axe d'arbre s'étendant obliquement

Info

Publication number
EP3510230A1
EP3510230A1 EP17765390.4A EP17765390A EP3510230A1 EP 3510230 A1 EP3510230 A1 EP 3510230A1 EP 17765390 A EP17765390 A EP 17765390A EP 3510230 A1 EP3510230 A1 EP 3510230A1
Authority
EP
European Patent Office
Prior art keywords
drive
drive device
housing
axis
shaft
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.)
Withdrawn
Application number
EP17765390.4A
Other languages
German (de)
English (en)
Inventor
Roland Kalb
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Brose Fahrzeugteile SE and Co KG
Original Assignee
Brose Fahrzeugteile SE and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Brose Fahrzeugteile SE and Co KG filed Critical Brose Fahrzeugteile SE and Co KG
Publication of EP3510230A1 publication Critical patent/EP3510230A1/fr
Withdrawn legal-status Critical Current

Links

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
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
    • E05F15/689—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings specially adapted for vehicle windows
    • E05F15/697—Motor units therefor, e.g. geared motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
    • F16H1/16—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/22—Toothed members; Worms for transmissions with crossing shafts, especially worms, worm-gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • 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
    • E05Y2201/658—Members cooperating with flexible elongated pulling elements
    • E05Y2201/664—Drums
    • 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
    • E05Y2201/696—Screw mechanisms
    • 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
    • E05Y2201/696—Screw mechanisms
    • E05Y2201/702—Spindles; Worms
    • 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
    • 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
    • E05Y2900/55—Windows

Definitions

  • the invention relates to a drive device for adjusting a cover element of a vehicle, in particular for a window regulator device, according to the preamble of claim 1.
  • Such a drive device comprises a transmission element which is rotatable about an axis of rotation, and a motor unit which has a drive shaft rotatable about a shaft axis for driving the transmission element.
  • the drive device is advantageously used for adjusting a cover of a vehicle, in particular for a window regulator.
  • the cover member may be a window glass, a sunroof, a tonneau cover, a tailgate, a sunblind, or a vehicle door for covering an opening or the like in a vehicle.
  • one or more guide rails can be arranged on an assembly carrier of a door module, on each of which a driver coupled to a window pane is guided.
  • the driver is coupled via a slippery, designed for the transmission of (exclusively) tensile forces pull rope with the drive device, wherein the pull rope is arranged on the cable drum, that during a rotational movement of the cable drum, the pull rope wound with one end on the cable drum and with a unwinds the other end from the cable drum.
  • the window pane can thus be adjusted, for example, to release or close a window opening on a vehicle side door.
  • a cable drum is arranged on a bearing dome of a drive housing, wherein the drive housing is connected via a fastening element in the form of a screw to a carrier element in the form of an assembly carrier.
  • a drive device for a window lift which is to be mounted on a support member in the form of a subframe of a door module on a vehicle side door and is thus enclosed within a vehicle side door, should have advantageous operating characteristics, in particular a smooth-running behavior with low vibration excitation on the support element and should also the take advantage of available space efficiently.
  • the drive device must provide sufficient torque to ensure reliable adjustment of the adjusting part to be adjusted, for example the window pane, possibly also in the case of sluggishness in the system, for example for running in in a seal or the like.
  • the available torque also depends on the size of the electric motor.
  • an electric motor with a larger rotor diameter and / or with a larger rotor length can provide a larger torque available.
  • Object of the present invention is to provide a drive device available, which have a favorable performance, provide sufficient torque available and can be compact. This object is achieved by an article having the features of claim 1.
  • the shaft axis of the drive shaft is aligned at an oblique angle to the axis of rotation of the transmission element.
  • the shaft axis of the drive shaft is transverse to a rotational axis of a drive wheel and a cable drum extends.
  • This arrangement of the drive shaft to the cable drum limits the possibilities to place the motor unit of the drive device on a support element, so that in this way the available space is substantially predetermined.
  • the shaft axis of the drive shaft be inclined at an oblique angle to the axis of rotation of a transmission element, e.g. a drive wheel connected to a cable drum to align.
  • the shaft axis has an angle of 90 ° to the axis of rotation of the transmission element, now extends the shaft axis of the drive shaft at an oblique angle, ie at an angle ⁇ 90 °, for example an angle in a range between 85 ° and 65 °, for example between 80 ° and 70 °, to the axis of rotation.
  • This provides an additional degree of freedom because it allows the motor unit to be adjusted in position relative to other components of the drive device, so that an available space can be efficiently utilized.
  • a rotor of larger diameter By increasing the diameter, the axial length of the motor unit and also the axial length of the drive shaft can be reduced with the same available torque, which can additionally contribute to a compact design of the drive device.
  • the transmission element is preferably part of a two-stage transmission for driving the cover.
  • the transmission element may be a drive wheel, which is operatively connected to an output element for adjusting the cover and with the Drive shaft is in meshing engagement.
  • the output element is, for example, a cable drum, which is preferably connected in a rotationally fixed manner to the drive wheel, which in turn is in meshing engagement with the drive shaft.
  • the drive shaft can in this case, for example, carry a drive worm, which has a worm toothing, which is in meshing engagement with an external toothing of the drive wheel.
  • the shaft axis of the drive shaft By tilting the shaft axis of the drive shaft relative to the axis of rotation of the cable drum, which preferably also corresponds to the axis of rotation of the drive wheel, and the drive screw is inclined relative to the axis of rotation and thus extends obliquely relative to the drive wheel.
  • the inclination of the shaft axis may be just chosen so that the pitch angle of the worm gear corresponds to the angle between the shaft axis and a transversely (at an angle of 90 °) to the axis of rotation extending transverse axis. This makes it possible to form the toothing of the drive wheel as a straight toothing, which allows a favorable design of the drive wheel with simple, cost-effective production.
  • the pitch of a worm gear is generally understood to mean the axial stroke per circumferential length.
  • the slope may be determined from the axial stroke per revolution divided by the circumferential length per revolution (resulting from the length of travel obtained by linearly rolling the screw over one revolution).
  • the pitch angle results directly from the slope.
  • the driven element (cable drum) is mounted on a first bearing element of a (cable) output housing on a first side of a carrier element, while the drive wheel is enclosed in a drive housing on a second side of the carrier element facing away from the first side and on a second Bearing element of the drive housing is mounted.
  • the output housing and the drive housing can advantageously be fastened to one another via a fastening element acting between the first bearing element and the second bearing element, for example in the form of a screw.
  • the output housing on the first side of the carrier element and the drive housing on the second side of the carrier element are thus axially over the centrally between the Bearing elements acting fastener clamped to each other.
  • the carrier element for example in the form of an assembly carrier of a door module
  • the output element is generally arranged in the wet space of a vehicle door, while the motor unit of the drive device is located in the drying room.
  • the carrier element provides an interface via which the separation between the wet space and the drying space takes place, so that no moisture can pass from the wet space into the area of the drying space and thus into the area of the motor unit of the drive device.
  • the motor unit is preferably formed by an electric motor having a fixed stator and a rotatable rotor.
  • the motor unit is in this case enclosed in a motor pot of the drive housing, wherein advantageously can be provided that the motor pot projects into a shape of the support member.
  • a formation for receiving the motor pot is provided, which protrudes from a surface portion of the support member in the direction of the output element on the first side of the support member.
  • the motor pot can thus be placed on the carrier element such that the motor pot does not project beyond other housing sections of the drive housing on the second side of the carrier element.
  • the height of the drive device (measured along a normal direction perpendicular to the carrier element) is thus not determined by the motor pot, but the motor pot can be placed so that it overlaps along the normal direction with the output housing and the drive housing and neither via the output housing to the first Side still protrudes beyond the drive housing on the second side along the normal direction.
  • the electric motor can in this case e.g. be designed as a brushless DC motor.
  • stator windings are arranged on pole teeth of the stator, which are energized during operation of the motor.
  • Permanent magnets arranged, which provide a field of excitation on the rotor.
  • the rotor may have six poles (corresponding to three pairs of permanent magnet poles), while the stator carries one or more stator windings, for example, at nine pole teeth.
  • Fig. 1A is an exploded view of an embodiment of a
  • Fig. 1 B is the exploded view of Figure 1A, from another perspective.
  • Fig. 2 is a view of a cable outlet housing before attachment to a
  • Fig. 3 is another view of the cable outlet housing before attachment to the
  • Fig. 6 is a separate, perspective view of the drive housing
  • Fig. 7A is a plan view of the drive housing
  • Fig. 7B is a sectional view taken along line B-B of Fig. 7A; a side view of the drive device, with conventional alignment of a shaft axis of a drive shaft; a side view of the drive device, with obliquely aligned shaft axis, according to a first variant; a side view of the drive device, with obliquely oriented shaft axis, according to a second variant; a detail enlarged view of the arrangement of FIG. 10; and
  • Fig. 12 is a schematic view of an adjusting device of a vehicle in
  • FIG. 1A, 1B to 7A, 7B show an exemplary embodiment of a drive device 1, which can be used, for example, as a drive in an adjusting device for adjusting a window pane, for example a vehicle side door.
  • Such an adjusting device in the form of a window regulator has, for example, a pair of guide rails 11, on each of which a driver 12, which is coupled to a window pane 13, is adjustable.
  • Each driver 12 is coupled via a traction cable 10, which is designed for transmitting (exclusively) tensile forces, with a drive device 1, wherein the traction cable 10 forms a closed cable loop and with its ends with a cable drum 3 (see, for example, Fig. 1A and 1 B) of the drive device 1 is connected.
  • the traction cable 10 extends from the drive device 1 to guide rollers 1 10 at the lower ends of the guide rails 1 1 to the drivers 12 and of the Mit supportive 12 to deflection rollers 1 1 1 at the upper ends of the guide rails 1 1 back to the drive device 10th
  • a motor unit of the drive device 1 drives the cable drum 3 such that the pull cable 10 is wound with one end on the cable drum 3 and unwound with the other end of the cable drum 3.
  • the cable loop formed by the pull cable 10 shifts without changing the freely extended cable length, which causes the driver 12 to move rectified on the guide rails 1 1 and thereby the window pane 13 is adjusted along the guide rails 1 1.
  • the window lifter is arranged in the embodiment of FIG. 12 on a subframe 4 of a door module.
  • the subframe 4 can be fixed, for example, on a door inner panel of a vehicle door and represents a preassembled unit that can be mounted on the vehicle door preassembled with arranged on the subframe 4 windows.
  • the drive device 1 of the embodiment according to FIGS. 1A, 1B through 7A, 7B is mounted on a surface portion 40 of e.g. arranged carrier element 4 realized by a subframe of a door module and has a arranged on a first side of the support member 4 cable outlet housing 2 and on a side facing away from the first side, second side of the support member 4 arranged drive housing 7.
  • the cable outlet housing 2 serves to support the cable drum 3 on the carrier element 4, while the drive housing 7, inter alia, a drive wheel 6 which can be driven by a motor unit 8 and is in communication with the cable drum 3, so by turning the drive wheel. 6 the cable drum 3 can be driven.
  • the cable drum 3 on the first side of the carrier element 4 is arranged in a proper arrangement, for example on a vehicle door of a vehicle, in a wet space of the vehicle door.
  • the drive housing 7 is in contrast in the dry space of the vehicle door.
  • the separation between the wet room and the drying room is made by the carrier element 4, and accordingly, the interface between the drive wheel 6 and the cable drum 3 is sealed moisture-proof, so that no moisture can pass from the wet room in the drying room.
  • the cable outlet housing 2 has a bottom 20, a centrally projecting from the bottom 20, cylindrical bearing element 22 in the form of a bearing dome and radially to the bearing element 22 spaced housing sections 21 in the form of parallel to the cylindrical bearing element 22 extending housing webs.
  • the cable drum 3 is rotatably mounted and thereby edged by the cable outlet housing 2, that the cable drum 3 is held on the support member 4.
  • the cable drum 3 has a body 30 and, on the circumferential surface of the body 30, a formed in the body 30 cable groove 300 for receiving the traction cable 10.
  • the cable drum 3 With a ring gear 31, the cable drum 3 is inserted into an opening 41 of the support member 4 and rotatably connected to the drive wheel 6 so that a rotational movement of the drive wheel 6 leads to a rotational movement of the cable drum 3.
  • the drive housing 7 is attached with the interposition of a sealing element 5 to the other, second side of the support member 4 and has a housing pot 70 with a centrally formed therein bearing element 72 in the form of a cylindrical bearing dome, which passes through an opening 62 of the drive wheel 6 and the drive wheel. 6 rotatably supported in this way.
  • To the housing pot 70 includes a worm housing 74, in which a drive worm 81 rests, which is rotatably connected to a drive shaft 800 of an electric motor 80 of the motor unit 8 and via a worm toothing with external teeth 600 of a body 60 of the drive wheel 6 is in meshing engagement.
  • the drive shaft 800 is mounted in the worm housing 74 via a bearing 82 at its end facing away from the electric motor 80.
  • the electric motor 80 is in this case in a motor pot 73 of the drive housing 7, which is closed by a housing cover 75 to the outside.
  • the drive housing 7 also has an electronics housing 76, in which a circuit board 760 is enclosed with control electronics arranged thereon.
  • the electronics housing 76 is closed to the outside via a housing plate 761 with a connector arranged thereon 762 for electrical connection of the electronics of the board 760.
  • the drive wheel 6 has, axially projecting from the body 60, a connecting wheel 61 with an external toothing 610 formed thereon, which engages with the ring gear 31 of the cable drum 3 such that an internal toothing 310 of the ring gear 31 (see, for example, FIG B) in meshing engagement with the external teeth 610 of Vietnamesesrads 61 stands.
  • the drive wheel 6 and the cable drum 3 are rotatably connected to each other, so that the cable drum 3 is rotatable by driving the drive wheel 6 on the support member 4.
  • the cable outlet housing 2 on the one hand to the support member 4 and the drive housing 7 on the other hand attached to the support member 4.
  • a fastening element 9 is inserted in the form of a screw in an engagement opening 721 underside of the drive housing 7 such that the fastener 9 extends through an opening 720 in the bearing element 72 of the drive housing 7 and centrally engages in an opening 221 within the bearing element 22 of the cable outlet housing 2.
  • the cable outlet housing 2 and the drive housing 7 are axially clamped to the bearing elements 22, 72 to each other and fixed above it on the support member 4.
  • the cable outlet housing 2 is attached to the first side of the support member 4, so that the cable outlet housing 2, the cable drum 3 borders and holds on the support member 4.
  • the cable outlet housing 2 in this case comes with its radially to the bearing element 22 spaced housing sections 21 via foot sections 210 into contact with an abutment ring 45 which surrounds an opening 41 in the support member 4 circumferentially.
  • axially projecting interlocking elements 42 are formed in the form of web-shaped pins which engage in attachment of the cable outlet housing 2 to the support member 4 with positive locking openings 212 (see FIG.
  • the cable drum 3 comes, in the pre-assembly, via radially projecting support members 32 at the upper edge of the ring gear 31 (see, for example, Fig. 1A) with a support ring 46 within the opening 41 of the support member 4 in support, so that the cable drum 3 in the pre-assembly not can slip through the opening 41 and is held on the cable outlet housing 2 to the support member 4.
  • the support elements 32 are used in particular for securing the position of the cable drum 3 on the carrier element 4 in the pre-assembly. After complete assembly of the drive device 1, the cable drum 3 is connected via the ring gear 31 with the drive wheel 6 in conjunction and is axially fixed between the cable outlet housing 2 and the drive housing 7.
  • securing elements 23 On the inner sides of the housing sections 21 axially extending and radially inwardly projecting securing elements 23 are arranged, which face the cable groove 300 on the lateral surface of the body 30 and preferably slide during operation along this lateral surface. About this securing elements 23 ensures that the recorded in the rope groove 300 pull rope 10 can not jump out of the cable groove 300.
  • the drive housing 7 is attached to the other, second side of the carrier element 4 such that the motor pot 73 comes to lie in a formation 44 in the surface portion 40 and the screw housing 74 in a subsequent formation 440 in the surface portion 40 (see Fig. 1A , 1 B and 2).
  • the drive housing 7 reach fasteners 71 in the form of engaging bushes molded therein with positive engagement openings 710 with the underside of the support member 4 above positive locking elements 43 in the form of pins in engagement.
  • the positive-fit openings 710 of the fastening means 71 as well as the interlocking elements 43 are spaced in the form of the pins on the support member 4 radially to the created by the bearing member 72 of the drive housing 7 axis of rotation D, by this positive engagement, the drive housing rotationally fixed to the support element set so that a rotation lock for the drive housing 7 is provided.
  • engaging portions 51 are arranged on a sealing ring 50 of the sealing element 5, so that the positive engagement of the interlocking elements 43 takes place with the interlocking openings 710 on the fastening means 71 with the interposition of the engagement portions 51. This is for acoustic decoupling.
  • a curved portion 52 is formed, which comes to rest in the region of the formation 440 for receiving the worm housing 74.
  • the curved section 52 forms an intermediate layer between the worm housing 74 and the carrier element 4, so that an acoustic decoupling of the drive housing 7 from the carrier element 4 is also achieved via this.
  • the drive housing 7 is clamped to the cable outlet housing 2 via the fastening element 9, so that the cable outlet housing 2 and the drive housing 7 are fixed to one another and to the carrier element 4.
  • the fastening element 9 is inserted into the engagement opening 721 within the bearing element 72 of the drive housing 7, with the result that the fastening element 9 with a shaft 90 passes through the opening 720 on the head of the bearing element 72 and into the opening 221 of the bearing element 72 Bearing element 22 of the cable outlet housing 2 engages.
  • a head 91 of the fastening element 9 comes to lie here on the side facing away from the bearing element 22 of the opening 720, so that the cable outlet housing 2 is clamped to the drive housing 7 by screwing the fastening element 9 into the opening 221 within the bearing element 22.
  • the bearing element 22 of the cable outlet housing 2 and the bearing element 72 of the drive housing 7 in this case create a common axis of rotation D for the cable drum 3 on the one hand and the drive wheel 6 on the other hand, so that the cable drum 3 and the drive wheel 6 in operation coaxial with each other and can rotate together.
  • the drive shaft 800 of the electric motor 80 is mounted so as to be rotatable about a shaft axis W relative to the drive housing 7.
  • the electric motor 80 is hereby connected by a stator 83 which carries a plurality of stator windings 830 (schematically indicated in FIG. 4B) on pole teeth and a rotor 84 which carries a plurality of permanent magnets 840 , educated.
  • the rotor 84 is an external rotor and runs radially outward of the stator 83.
  • the rotor 84 is rotationally fixed to the drive shaft 800 connected, which is rotatably mounted in a bush-shaped bearing member 85 to the stator 83.
  • the electric motor 80 may be connected to its stator 83 e.g. six, nine, twelve, fifteen, eighteen, twenty-one or twenty-four pole teeth having stator windings 830 disposed thereon.
  • the stator windings 830 are energized in an electronically commutated manner, so that a rotating field rotates on the stator 83.
  • the rotating field cooperates with a field of excitation generated by the permanent magnets 840 (with, for example, four, six, eight, ten, twelve, fourteen, or sixteen magnetic poles) on the rotor 84 to generate a torque such that the rotor 84 rotates about the stator 83 is offset.
  • the bearing element 85 has a first shank portion 850, which is cylindrical and protrudes into the stator 83.
  • a second cylindrical shaft section 851 protrudes into the screw housing 74 and is pressed, for example, with the screw housing 74, so that the stator 83 is held in position on the drive housing 7 via the bearing element 85.
  • the drive shaft 800 is rotatably mounted.
  • the shaft axis W extends at an angle to the axis of rotation D of the cable drum 3 and the drive wheel 6. This creates an additional degree of freedom in the arrangement of the electric motor 80 on the carrier element 4, which can contribute to a compact design of the drive device 1.
  • Fig. 8 shows a conventional arrangement in which the shaft axis W is transverse to the axis of rotation D. Because the drive worm 81 is to be arranged at the same height as the drive wheel 6, this results in the electric motor 80 enclosed in the motor pot 73 having a comparatively large height H1 on the second side of the support element 4, which reduces the installation space on the second side of the support element Carrier element 4 determined.
  • the height H1 of the motor pot 73 is greater than the height H of the electronics housing 76.
  • the overall height H3 of the drive device 1 (measured via the drive housing 7 and the cable outlet housing 2) is greater than that via the electronics housing 76 and the cable outlet housing 2 measured height H2 is. If, as in the embodiment of FIG.
  • the shaft axis W extends at an oblique angle to the axis of rotation D, this allows the electric motor 80 in the direction of the cable outlet housing 2 offset that the motor pot 73 on the second side of the support member 4 does not protrude beyond the electronics housing 76.
  • the height of the motor pot 73 on the second side can thus correspond to the height H of the electronics housing 76, so that the motor pot 73 does not require any additional installation space (along the normal direction perpendicular to the carrier element 4).
  • the result is a total height H2 of the drive device 1, which is (exclusively) determined by the height of the cable outlet housing 2 and the electronics housing 76.
  • the diameter of the electric motor 80 determined by the designed as an external rotor rotor 84, be increased such that the upper edge of the formation 44 is at the same height as the top of the bottom 20 and thus the total height of the required space for the electric motor 80 (determined by the height of the formation 44 on the first side of the support element 4 and the height H of the motor pot 73 on the second side of the support element 4) the total height H2 of the cable outlet housing 2 and the electronics housing 76 corresponds.
  • the increase in the rotor diameter 84 makes it possible to reduce the axial length (as viewed along the shaft axis W) of the electric motor 80 and the drive shaft 800, so that the increase in diameter at a constant torque makes it possible to reduce the axial length of the electric motor 80.
  • the motor pot 73 enclosing the electric motor 80 lies in the formation 44 on the carrier element 4. Due to the fact that the formation 44 extends into the space of the cable outlet housing 2 on the first side of the carrier element 4 and projects therefrom from the surface element 40, the motor pot 73 can be viewed metaphorically and viewed from the second side of the carrier element 4 assigned to the drive housing 7 from considered - are sunk into the support member 4 inside. Together with the oblique orientation of the shaft axis W and the magnification of the Diameter of the electric motor 80 allows a particularly compact design of the drive device. 1
  • the inclination of the shaft axis W relative to the rotation axis D may be just chosen so that the pitch angle ß of the worm gear 810 of the drive worm 81 just corresponds to the angle which describes the shaft axis W to a transversely to the rotation axis D facing transverse axis Q, as shown in Fig. 1 1.
  • This makes it possible to form the external toothing 600 of the drive wheel 6 as a straight toothing (with tooth tips extending straight parallel to the axis of rotation), which makes possible a simple, cost-effective production of the drive wheel 6 in comparison with conventional helical toothing.
  • the inclination of the shaft axis W can thus not only be advantageous for the installation space, but at the same time enable a simple, cost-effective production of the drive wheel 6.
  • the shaft axis W describes an angle ⁇ relative to the axis of rotation D.
  • the angle ⁇ corresponds to an amount of 90 ° -a.
  • the drive worm 81 may, for example, be formed integrally with the drive shaft 800. It is also conceivable and possible, however, to arrange the drive worm 81 in a rotationally fixed manner as an additional, separate component on the drive shaft 800.
  • a drive device of the type described is in particular not limited to the use of a window lift, but can also serve to adjust another adjustment element, such as a sunroof or the like, in a vehicle.
  • the drive device can be mounted in a simple manner, in particular using a (single) axially bracing fastener. This results in a mounting in a few assembly steps, which can be simple and inexpensive with reliable determination of the cable outlet housing and the drive housing to the support element. LIST OF REFERENCE NUMBERS

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Window Of Vehicle (AREA)
  • Gear Transmission (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

L'invention concerne un mécanisme d'entraînement (1) servant au réglage d'un élément de fermeture d'un véhicule, en particulier pour un dispositif lève-vitre, lequel mécanisme comprend un élément d'engrenage, apte à tourner autour d'un axe de rotation (D), et une unité moteur (8) qui comporte un arbre d'entrée (800) apte à tourner autour d'un axe (W) d'arbre et destiné à entraîner l'élément d'engrenage. Selon l'invention, l'axe (W) de l'arbre d'entrée (800) est orienté de manière à former un angle oblique (α) avec l'axe de rotation (D) de l'élément d'engrenage. L'invention permet ainsi d'obtenir un mécanisme d'entraînement ayant un comportement en service favorable, offrant un couple de rotation suffisant et pouvant être de conception compacte.
EP17765390.4A 2016-09-06 2017-09-05 Mécanisme d'entraînement pour lève-vitre, comprenant un axe d'arbre s'étendant obliquement Withdrawn EP3510230A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016216889.4A DE102016216889A1 (de) 2016-09-06 2016-09-06 Antriebsvorrichtung für einen Fensterheber, mit einer schräg erstreckten Wellenachse
PCT/EP2017/072163 WO2018046466A1 (fr) 2016-09-06 2017-09-05 Mécanisme d'entraînement pour lève-vitre, comprenant un axe d'arbre s'étendant obliquement

Publications (1)

Publication Number Publication Date
EP3510230A1 true EP3510230A1 (fr) 2019-07-17

Family

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Application Number Title Priority Date Filing Date
EP17765390.4A Withdrawn EP3510230A1 (fr) 2016-09-06 2017-09-05 Mécanisme d'entraînement pour lève-vitre, comprenant un axe d'arbre s'étendant obliquement

Country Status (7)

Country Link
US (1) US20200056416A1 (fr)
EP (1) EP3510230A1 (fr)
JP (1) JP2019529843A (fr)
CN (1) CN109804130A (fr)
DE (1) DE102016216889A1 (fr)
MA (1) MA46386A (fr)
WO (1) WO2018046466A1 (fr)

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* Cited by examiner, † Cited by third party
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DE102016216877A1 (de) * 2016-09-06 2018-03-08 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Bamberg Antriebsvorrichtung für einen Fensterheber, mit einem Anschlagsring für eine Seiltrommel
DE102018125868B4 (de) * 2018-10-18 2022-02-03 Danfoss Power Solutions Aps Lenkhandradanordnung
CN113341638B (zh) * 2020-02-18 2022-06-24 松下知识产权经营株式会社 齿轮驱动机构、调光装置以及投影仪

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DE10342074B4 (de) * 2003-09-10 2012-11-22 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Getriebeeinheit und Motor-Getriebeeinheit für Seil-Fensterheber
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DE102004044863A1 (de) 2004-09-14 2006-03-30 Brose Fahrzeugteile Gmbh & Co. Kg, Coburg Antriebseinheit für Verstelleinrichtungen von Kraftfahrzeugen und Verfahren zu deren Herstellung
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Also Published As

Publication number Publication date
DE102016216889A1 (de) 2018-03-08
MA46386A (fr) 2019-07-17
WO2018046466A1 (fr) 2018-03-15
CN109804130A (zh) 2019-05-24
JP2019529843A (ja) 2019-10-17
US20200056416A1 (en) 2020-02-20

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