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EP2230371B1 - Unité d'entraînement pour lève-vitre à câble - Google Patents

Unité d'entraînement pour lève-vitre à câble Download PDF

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Publication number
EP2230371B1
EP2230371B1 EP10167078.4A EP10167078A EP2230371B1 EP 2230371 B1 EP2230371 B1 EP 2230371B1 EP 10167078 A EP10167078 A EP 10167078A EP 2230371 B1 EP2230371 B1 EP 2230371B1
Authority
EP
European Patent Office
Prior art keywords
worm wheel
gear unit
cable
cable drum
sealing means
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.)
Expired - Lifetime
Application number
EP10167078.4A
Other languages
German (de)
English (en)
Other versions
EP2230371A2 (fr
EP2230371A3 (fr
Inventor
Uwe Klippert
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 EP2230371A2 publication Critical patent/EP2230371A2/fr
Publication of EP2230371A3 publication Critical patent/EP2230371A3/fr
Application granted granted Critical
Publication of EP2230371B1 publication Critical patent/EP2230371B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
    • E05F11/38—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement
    • E05F11/48—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement operated by cords or chains or other flexible elongated pulling elements, e.g. tapes
    • E05F11/481—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement operated by cords or chains or other flexible elongated pulling elements, e.g. tapes for vehicle windows
    • E05F11/483—Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement operated by cords or chains or other flexible elongated pulling elements, e.g. tapes for vehicle windows by cables
    • 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
    • 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
    • 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
    • E05Y2201/644—Flexible elongated pulling elements
    • E05Y2201/654—Cables
    • 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
    • E05Y2201/704—Worm wheels
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/50—Mounting methods; Positioning
    • E05Y2600/52—Toolless
    • E05Y2600/522—Axial stacking
    • 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
    • E05Y2800/10—Additional functions
    • E05Y2800/12—Sealing
    • 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
    • E05Y2800/205—Combinations of elements forming a unit
    • 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
    • E05Y2800/72—Sets of mutually exchangeable elements, e.g. modular
    • 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 present invention relates to a transmission unit for cable power windows of motor vehicles.
  • the Fig. 8 shows a sectional view of a transmission unit according to the prior art for electric cable window. Shown is only the gear housing section 6 of the gear unit, in which a worm wheel 10 of a worm gear is received. Through a cylindrical bore on the right edge of the gear housing section 6 extends a motor shaft (not shown), at the front end of a drive screw 15 is seated, the toothing engages the toothing 11 of the Scheckenrads 10.
  • the Reduction ratio of the worm gear thus formed is in the prior art in the range of about 1:62 to about 1:84 for the reasons mentioned above.
  • the worm wheel 10 is designed as a hollow body, in which at mutually angular intervals holding ribs (not shown) are arranged. In the holding ribs spaced apart from each other at corresponding angular intervals rubber damping elements 39 engage to connect the driver 40 rotatably connected to the worm wheel 10.
  • the output driver 40 and the worm wheel 10 are rotatably mounted together about the pivot pin 9.
  • the output driver 40 and the worm wheel 10 are displaceable in the axial direction by the securing ring 35.
  • the cable drum (not shown) is used for winding and unwinding the rope of a rope window regulator in the known manner.
  • the relatively high output power of the electric motor of 20 W according to the prior art and a correspondingly high drive torque make a certain damping in the illustrated conventional transmission unit mandatory.
  • the multi-piece structure of the drive train comprising the output driver, the deformable rubber damping elements connected to the carrier, which engage positively in corresponding holding ribs in the inner circumference of the worm wheel, and the worm wheel, is comparatively complicated and costly.
  • the provided between the upper end of the worm wheel 10 and the upper housing cover 32 seal 30 increases the axial length of the gear unit, which requires a larger volume in a motor vehicle door. Furthermore, a reliable and durable seal in this way can not always be easily ensured.
  • US 6,393,929 B1 discloses a transmission unit for cable power windows of motor vehicles according to the preamble of claim 1.
  • An annular seal is pressed into the housing of the gear unit so that a sealing lip of the seal abrades an annular inner peripheral wall of the worm wheel, whereby bridging an annular gap formed in the housing becomes.
  • the type of sealing is achieved in a different way.
  • EP 0 860 572 A2 discloses an electric motor drive device for cable windows.
  • an annular seal is inserted between the assembly formed by the worm wheel and the cable drum on the one hand and the drum receiver on the other hand, which is fastened on a smooth-surfaced annular section of a component and presses against the inner wall of the drum receiver. The sealing takes place in another way.
  • EP 1 283 323 A1 discloses a transmission unit for cable windows, in which the engagement of the worm wheel is realized in the cable drum by means of axial projections on the first element (worm wheel or cable drum), which in correspondingly formed receptacles on the opposite second element (cable drum or worm wheel) engage, wherein between elastic elements may be provided which act as damping elements.
  • Object of the present invention should be to provide a transmission unit for cable windows, which allows a simple and cost-effective construction a reliable seal.
  • a transmission unit for power window regulators of automobiles comprising a drive and a drive cooperating transmission connected to a rotatably mounted cable drum for winding and unwinding a rope of the cable window lifter is coupled.
  • a sealing means rotatably seated either on an upper peripheral edge of the worm wheel or on an upper edge of the gear housing portion and bridges an annular gap formed therebetween to seal the space of the worm wheel against the space of the housing portion.
  • the gear housing portion of the gear unit can be sealed so easily, especially because a coupled with the worm gear output driver is no longer required.
  • the sealing means can also be formed in one operation together with other sealing means, such as seals of the electronics housing section, for sealing an electric motor against the housing and the like.
  • a two-component injection molding (2K injection molding) can be used in which increases after the solidification of the first component, for example, the relatively hard housing, the cavity in the tool and then the second component, for example, the relatively soft Sealant, be sprayed with a second injection unit.
  • the worm wheel can be pushed through the already molded sealant into the gear housing section, while according to the prior art according to the Fig. 8 the sealant together with the upper housing cover can only be subsequently placed on the worm wheel.
  • the gear unit is characterized in that a diameter of the cable drum is in a range of about 22 mm to about 30 mm and more preferably in a range of about 24 mm to about 28 mm, wherein the reduction ratio of the transmission in a Range from about 1:38 to about 1:55 and more preferably ranges from about 1:42 to about 1:51.
  • the diameter of the cable drum designed to be significantly smaller than conventional transmission units and at the same time to change the reduction ratio of the transmission it is possible for rear cable windows smaller and less powerful drive motors, especially with a maximum power output of only about 10 W and a maximum drive torque of only about 6.0 Nm to use. It has been found that this constructive Modification is crucial that the gear unit can be used for both electric and manual cable windows.
  • the gear unit can be used simultaneously for front cable windows. Because of the much smaller cable drum diameter, as stated above, is also for front cable windows a sufficient lever arm available to adjust the window even with a weaker electric motor with sufficient drive torque. Thus, a sufficient durability of the rope can be ensured for front cable windows.
  • the reduction ratio of the transmission, in particular of the worm gear, in the same ratio as the cable drum diameter compared to the prior art is reduced. It is advantageous that the cable force-rope speed characteristic of the cable window lifter essentially corresponds to that of a conventional cable window lifter.
  • the thus made possible significantly lower output torque of the electric motor and its lower power output make it possible that the cable drum can preferably also be directly coupled to the transmission, in particular with a worm gear of the transmission.
  • the cable drum can preferably also be directly coupled to the transmission, in particular with a worm gear of the transmission.
  • this surprisingly simple design modification has the additional advantage that the gear unit can be designed less expensive, resulting in a significant cost savings both in construction and during assembly.
  • the cable drum is coupled to the worm wheel by means of at least two engagement elements arranged on its front side, which engage in a form-fitting manner in at least two counter-elements formed on a front side of the worm wheel corresponding to these.
  • the engagement elements are preferably designed as projections, for example as claws, which engage in correspondingly formed receptacles.
  • the window can thus be designed either for a manual or an electric drive without further structural modifications would be required.
  • an identical cable drum, an identical base plate (for mounting the gear unit, for example on a guide rail of the cable window lifter) and an identical bearing cap can be used for both manual and electric cable windows.
  • the one engagement element for receiving a brake or wrap spring for a manual cable window lifter
  • the one engagement element in particular a claw, have a lug to form a receptacle for receiving the brake or wrap spring.
  • an electric motor is coupled to the gear unit for cable windows, which has a drive torque of at most about 5.7 Nm and / or has a maximum output power of about 10 W.
  • Such a gear unit may be used both for a cable window lifter for a front motor vehicle door and for a cable window lifter for a rear motor vehicle door.
  • the outer dimensions of the gear unit can be significantly smaller.
  • the construction volume to be held ready in a vehicle door or in a door module to be integrated into the door can be reduced by approximately 40% or even by 50%. Overall, this leads to a further significant cost savings compared to the prior art.
  • identical reference numerals designate identical or essentially identically acting elements or groups of elements.
  • the Fig. 1 shows a sectional view of a transmission unit according to a first embodiment of the present invention.
  • the worm wheel 10 is received in the gear housing section 6 formed by a housing bottom 7 and by side walls 8 extending perpendicular to the housing bottom 7.
  • a pivot pin 9 from perpendicular, which may be formed as a metal or plastic pin and is rigidly connected to the housing bottom 7.
  • the pivot pin 9 serves as a rotation axis for the worm wheel 10 and a cable drums according to the Fig. 3 .
  • Through a cylindrical bore on the left edge of the gear housing section 6 extends a motor shaft of an electric motor, which has at its front end a drive worm 15 which meshes with the worm wheel 10.
  • the worm wheel 10 and the drive worm 15 form a worm gear whose reduction ratio is predetermined by the teeth of the drive worm 15 and the teeth 11 of the worm wheel 10.
  • the reduction ratio of the worm gear is in the range of about 1:38 to about 1:55, more preferably in the range of about 1:42 to about 1:51, and more preferably about 1:47.
  • the reduction ratio deviates significantly from the conventional reduction ratio for cable windows, which is in the range of about 1:62 to about 1:84.
  • the worm wheel 10 has a substantially smooth-walled peripheral edge, which lies opposite an upper edge 29 of the side wall 8.
  • the upper edge of the worm wheel 10 is frictionally gripped by a substantially C-shaped seal, so that the seal 30 is substantially non-rotatably mounted on the worm wheel 10.
  • An annular gap formed between the upper peripheral wall of the worm wheel 10 and the upper edge 29 of the side wall 8 is bridged by two sealing lips 31 projecting from the seal 30 in a hook-shaped manner and abutting against the inner circumferential wall of the upper edge 29 of the side wall 8.
  • the worm wheel 10 is sealed against the gear housing portion 6.
  • To mount the worm wheel 10 together be placed with the seal 30 on the pivot and inserted into the gear housing section 6.
  • Fig. 1 is formed on the lower end face of the worm wheel 10, an annular bead 36 on which the worm wheel 10 is supported in the gear housing portion 6, for reducing frictional forces.
  • a corresponding annular bead may also be formed on the lower end face of the worm wheel 10.
  • the upper end face of the worm wheel 10 is formed substantially flat and has two receptacles 13, 14, which for the rotationally fixed coupling of a cable drum ( Fig. 2 ) serve with the worm wheel 10, as described below with reference to the Fig. 2 and 3 described.
  • the Fig. 2 shows in a schematic section the engagement of a worm wheel and a cable drum according to the first embodiment of the present invention.
  • the cable drum 17 on its lower end face on two claws 19, 20, which protrude axially from the lower end side and extend annularly in the circumferential direction.
  • the claws 19, 20 substantially free of play in the corresponding to these formed receptacles 13, 14 on the upper end face of the worm wheel 10, so that the cable drum 17 engages positively in the worm wheel 10.
  • Fig. 1 protrudes in the illustrated intended position of the worm wheel 10, a conical shoulder 37 of the pivot pin 9 from the plane formed by the upper end face of the worm wheel 10.
  • the conical shoulder 37 serves for the exact positioning of the cable drum 17 in the axial direction.
  • the conical shoulder 37 of the pivot pin 9 Like in the Fig. 2 is shown in the intended position of the cable drum 17, when the claws 19, 20 are completely received in the receptacles 13, 14 and the conically widening portion of the passage opening 21 of the cable drum 17 abuts against the conical shoulder 37 of the pivot pin 9, a formed comparatively narrow gap in the axial direction between the upper end face of the worm wheel 10 and the lower end face of the cable drum 17, which can serve to compensate for any manufacturing tolerances.
  • a radially projecting circumferential projection 23 is formed, which in the intended position of the cable drum 17 on the inner peripheral edge of the seal 30 (FIG. Fig. 1 ) or this slightly overlapped, thus completing the sealing of the worm wheel 10 against the gear housing section 6.
  • the cable drum 17 engages by means of the claws 19, 20 directly into the worm wheel 10 a.
  • no additional damping elements such as deformable rubber blocks, necessary to dampen the drive torque of an electric motor.
  • This simpler and cheaper design is the direct result of the fact that due to the much smaller reduction ratio of the worm gear and the same extent compared to the prior art prior art smaller diameter of the cable drum 17, the maximum drive torque of an electric motor can be made significantly smaller.
  • the Fig. 3 shows in a perspective exploded view of the worm wheel and the cable drum according to the Fig. 2 , Like in the Fig. 3
  • Each of the receptacles 13, 14 is formed of two concentric with the passage opening extending peripheral walls and two of these interconnecting, extending in the radial direction side walls. According to the Fig. 3 deviates the profile of the two receptacles 13, 14 and the claws 19, 20 corresponding to these formed, so that the angular position of the cable drum 17 relative to the worm wheel 10 is clearly specified.
  • any other locking or latching elements for non-rotatable connection of the cable drum 17 to the worm wheel 10 may be used.
  • the claw 20 in the axial direction on a nose or a projection 24, so that, as in the Fig. 7a shown in the case of use for a manual cable window lift a receptacle for receiving the inwardly bent end 58 of the loop or brake spring 57 of the manual cable window lifter 100 (FIG. Fig. 7a ) is available.
  • the outer diameter of the cable drum 17 is significantly smaller than in conventional cable drums for electric cable windows.
  • the diameter of the cable drums 17 is in a range of about 22 mm to about 30 mm, more preferably in a range of about 24 mm to about 28 mm, and more preferably about 26 mm.
  • the illustrated gear unit can be used both for a manual and for an electric cable window for both front and rear doors of motor vehicles.
  • the Fig. 4 shows a sectional view of a transmission unit according to a second embodiment of the present invention.
  • the annular seal 30 surrounds according to the second embodiment, the annular seal 30, the upper edge 29 of the side wall 8 of the gear housing section 6. From the seal 30 protrudes an upper sealing lip 31 radially inwardly and protrudes a lower sealing lip 31 in a substantially hook-shaped manner radially inwardly.
  • the sealing lips 31 abut against the upper peripheral edge of the worm wheel 10 in order to seal the worm wheel 10 against the gear housing section 6.
  • the seal 30 can be placed on the upper edge 29 or formed there.
  • the worm wheel 10 is placed on the pivot pin 9 and inserted into the gear housing section 6 through the seal 30 therethrough.
  • the gear unit is manufactured in a two-component injection molding process.
  • the housing is sprayed with a first relatively rigid component in a tool, then the cavity of the tool enlarged and injected a second relatively soft component with a second injection unit to all seals (for example, for sealing a plug-in electronics and an electric motor (see. Fig. 6b ) and to seal the worm wheel) in one operation to the housing to inject.
  • the Fig. 5 shows in a perspective partial section of a transmission unit for cable window according to the Fig. 4 ,
  • the gear housing section 6 is located at the front end of the housing 2, which has a motor housing section 3 for fastening an electric motor (FIG. Fig. 6a ) and for receiving the motor shaft 14 has.
  • On the housing 2 a plurality of mounting portions 4 are provided for fixing the transmission unit 1 to a vehicle door.
  • carbon brushes and a plug-in electronics controlling the electric motor are laterally inserted into the housing 2, so that the carbon brushes abut the commutator on the motor shaft 14.
  • a drive worm (not shown) which meshes with the worm wheel 10.
  • the transmission unit 1 Due to the significantly smaller compared to the prior art diameter of the cable drum and the correspondingly smaller selected reduction ratio of the worm gear can. Electric motors are used with significantly lower maximum drive torque and lower power output. Overall, the transmission unit 1 is characterized by a significantly smaller volume, so that in a vehicle door or in a male from this door module a much smaller volume for receiving the gear unit of a cable window lifter must be kept.
  • the Fig. 6a and 6b show in a perspective view an electric cable window in two different phases of its assembly.
  • the cable window lifter 100 comprises the circumferentially guided cable 53, which is deflected at the deflection areas 55 by means of deflection rollers 56 and whose ends are received in the upper cable nipple receptacle 26 and the lower cable nipple receptacle of the cable drum 17.
  • the base plate 52 is used for mounting is first, as in the Fig. 6a shown, the cable drum 17 is placed on a pivot of the base plate 52 and the two cable nipple of the rope 53 hooked into the cable nipple shots.
  • the gear unit 1 with the attached to the housing 2 electric motor 50 so mounted on the base plate 52 that the claws 19, 20 of the cable drum 17 engage in the corresponding receptacles of the worm wheel. Subsequently, the gear unit is connected to the base plate 52.
  • the Fig. 7a and 7b show in a perspective view of a manual cable window in two different phases of its assembly.
  • the cable window lifter 100 is preconfigured identically.
  • a base plate 52 which is identical to the base plate of the Fig. 6a and 6b shown electric rope window lifter is to be used.
  • the cable drum 17 is attached to a pivot of the base plate 52 and the cable nipple of the rope 53 are hooked into the associated Seilnippelaufsure the cable drum 17.
  • the claw 20 of the cable drum 17 has a nose 24, so that a receptacle for receiving the inwardly bent end 58 of the in the Fig.
  • FIG. 7a shown Schling- or brake spring 57 is available.
  • a cylindrically shaped housing or a brake pot 61 fitted with a plate 62, in which engages the crank pin 59 of a manual window lifter.
  • the crank pin 59 carries at its front end a toothing 60.
  • the wrap or brake spring 57 is mounted in the known manner.

Landscapes

  • Window Of Vehicle (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Claims (12)

  1. Unité de transmission pour systèmes de lève-vitre à câble d'un véhicule automobiles, comprenant un entraînement (14, 50; 59, 60) et un mécanisme de transmission (15, 10) coopérant avec l'entraînement, qui est couplé à un tambour à enroulement monté rotatif (17) pour l'enroulement et le déroulement d'un câble (53) du système de lève-vitre à câble (100), dans lequel
    le tambour à enroulement (17) est couplé à une roue à vis sans fin (10) logée dans une partie de boîtier cylindrique (6) de l'unité de transmission,
    des moyens d'étanchéité (30) sont disposés soit sur le bord périphérique supérieur de la vis sans fin ou sur un bord supérieur (29) de la partie de boîtier (6) de telle façon à ce qu'il assis de manière rotative et encerclant un interstice annulaire intermédiaire pour assurer l'étanchéité de la roue à vis sans fin (10) relativement à la partie de boîtier (6) ;
    la roue à vis sans fin (10) présente un bord périphérique supérieur réalisé à paroi lisse et est opposé au bord supérieur (29) de la partie de boîtier (6) pour la formation de l'espace annulaire, et
    un diamètre intérieur des moyens d'étanchéité (30) correspond à un diamètre extérieur de la roue à vis sans fin (10), caractérisée en ce que
    les moyens d'étanchéité (30) encerclent le bord périphérique supérieur de la roue à vis sans fin (10), dans lesquels des lèvres d'étanchéité (31) en saillie radiale vers l'extérieur relativement aux moyens d'étanchéité (30) sont en appui contre le bord supérieur (29) de la partie de boîtier (6) ; ou
    les moyens d'étanchéité (30) encerclent le bord supérieur de la partie de boîtier (6), dans lesquels des lèvres d'étanchéité (31) en saillie radiale vers l'extérieur relativement aux moyens d'étanchéité (30) sont en appui contre le bord périphérique supérieur de la roue à vis sans fin (10).
  2. L'unité de transmission telle que revendiquée dans la revendication 1, dans laquelle les moyens d'étanchéité (30) encerclent par friction le bord périphérique supérieur de la roue à vis sans fin (10).
  3. L'unité de transmission telle que revendiquée dans l'une quelconque des revendications précédentes, dans laquelle le tambour d'enroulement (17) est couplé directement et sans utilisation d'éléments d'amortissement supplémentaires à la roue à vis sans fin (10).
  4. L'unité de transmission telle que revendiquée dans la revendication 7, dans lequel le tambour d'enroulement (17) est formé d'une seule pièce et dispose d'au moins deux éléments d'engagement (19, 20) sur une face terminale (25), en prise de manière appropriée avec au moins deux contre-éléments (12, 13) sur une face terminale de la roue à vis sans fin (10) et formés en correspondance avec les deux éléments d'engagements au moins (19, 20).
  5. L'unité de transmission telle que revendiquée dans la revendication 4, ayant deux éléments d'engagement (19, 20) qui sont disposés sur des côtés diamétralement opposés du tambour d'enroulement (17) relativement à un trou traversant central du tambour de câble.
  6. L'unité de transmission telle que revendiquée dans la revendication 4 ou 5, dans laquelle les éléments d'engagement sont formés en saillie (19, 20) sur la face terminale (25) du tambour d'enroulement (17) et les contre-éléments sont formés en chambrage (12, 13) correspondant aux saillies sur la face terminale de la roue à vis sans fin (10), dans laquelle les sailles sont logées au sein des chambrages, substantiellement sans jeu.
  7. L'unité de transmission telle que revendiquée dans la revendication 6, dans laquelle chaque chambrage (12, 13) présente deux parois périphériques concentrique s'étendant de manière concentrique relativement au trou traversant central de la roue à vis sans fin (10) et qui sont connectés l'un à l'autre par deux parois latérales.
  8. L'unité de transmission telle que revendiquée dans l'une quelconque des revendications précédentes, dans laquelle une saillie circonférentielle radiale (23) est formée sur le bord périphérique de la face terminale inférieure du tambour d'enroulement (17), prenant appui contre le bord périphérique inférieur des moyens d'étanchéité (30) ou recouvrant légèrement ce dernier.
  9. L'unité de transmission telle que revendiquée dans l'une quelconque des revendications précédentes, dans lequel les moyens d'étanchéité (30) sont est formés par procédé de moulage par injection à deux composants, dans lequel un boîtier de l'unité de transmission est moulé à partir d'un matériau plastique relativement rigide suivant une première étape de procédé, puis les moyens d'étanchéité sont moulés sur le logement à partir d'un matériau en plastique relativement doux suivant une seconde étape de procédé.
  10. L'unité de transmission telle que revendiquée dans l'une quelconque des revendications précédentes, dans laquelle un diamètre du tambour d'enroulement (17) se trouve dans une plage d'environ 22 mm à environ 30 mm, et de préférence dans une plage d'environ 24 mm à environ 28 mm, et en ce qu'un rapport de démultiplication de la transmission (15, 10) est dans une bande entre approximativement 1:38 jusqu'à approximativement 1 :55, et de préférence dans une bande approximativement entre 1 :42 et 1 :51.
  11. L'unité de transmission telle que revendiquée dans l'une quelconque des revendications précédentes, dans laquelle le tambour d'enroulement (17) est conçu de telle sorte que l'unité de transmission (1) peut être utilisée en option pour un moteur électrique ou pour un entraînement manuel, et/ou le tambour d'enroulement (17) est formé de manière optionnelle pour un système de lève-vitre à câble pour une porte de véhicule automobile avant ou pour un système de lève-vitre à câble pour une porte de véhicule automobile arrière.
  12. L'unité de transmission telle que revendiquée dans l'une quelconque des revendications précédentes, qui est conçue optionnellement pour un entraînement manuel (59, 60) ou pour un entraînement électrique (14, 50), dans laquelle des zones (4) de fixation sont disposées sur un boîtier (2) pour la fixation de l'unité de transmission (1), dans laquelle les régions de fixation (4) sont identiques pour une unité de transmission manuelle (1) et pour une unité de transmission motorisée.
EP10167078.4A 2003-09-10 2004-08-24 Unité d'entraînement pour lève-vitre à câble Expired - Lifetime EP2230371B1 (fr)

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DE10342074A DE10342074B4 (de) 2003-09-10 2003-09-10 Getriebeeinheit und Motor-Getriebeeinheit für Seil-Fensterheber
EP04104063A EP1514989A3 (fr) 2003-09-10 2004-08-24 Unité d'entraînement et motoréducteur pour lève-vitre à câble

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EP1514989A3 (fr) 2009-01-28
JP4563119B2 (ja) 2010-10-13
CN100480083C (zh) 2009-04-22
EP2230371A2 (fr) 2010-09-22
DE10342074B4 (de) 2012-11-22
CN1593967A (zh) 2005-03-16
US20050067521A1 (en) 2005-03-31
JP2005083192A (ja) 2005-03-31
DE10342074A1 (de) 2005-04-07
EP1514989A2 (fr) 2005-03-16
EP2230371A3 (fr) 2012-02-22
ES2581433T3 (es) 2016-09-05
US20080093496A1 (en) 2008-04-24

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