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WO1997010971A1 - Systeme de transport pour un conducteur electrique enroule avec inversion du sens de bobinage par formation d'une boucle - Google Patents

Systeme de transport pour un conducteur electrique enroule avec inversion du sens de bobinage par formation d'une boucle Download PDF

Info

Publication number
WO1997010971A1
WO1997010971A1 PCT/EP1996/002768 EP9602768W WO9710971A1 WO 1997010971 A1 WO1997010971 A1 WO 1997010971A1 EP 9602768 W EP9602768 W EP 9602768W WO 9710971 A1 WO9710971 A1 WO 9710971A1
Authority
WO
WIPO (PCT)
Prior art keywords
transport system
coil
housing
spring
loop
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.)
Ceased
Application number
PCT/EP1996/002768
Other languages
German (de)
English (en)
Inventor
Martin Engelhardt
Rudolf Klein
Karl Simonis
Salvador Cristofaro
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.)
ITT Automotive Europe GmbH
Continental Teves AG and Co OHG
Original Assignee
ITT Automotive Europe GmbH
Alfred Teves GmbH
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 ITT Automotive Europe GmbH, Alfred Teves GmbH filed Critical ITT Automotive Europe GmbH
Publication of WO1997010971A1 publication Critical patent/WO1997010971A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/027—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems between relatively movable parts of the vehicle, e.g. between steering wheel and column
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
    • H01R35/02—Flexible line connectors without frictional contact members
    • H01R35/025—Flexible line connectors without frictional contact members having a flexible conductor wound around a rotation axis
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00—Arrangements of electric cables or lines between relatively-movable parts

Definitions

  • the invention relates to a transport system for a wound up electrical conductor with reversal of the winding direction by forming loops.
  • a transport system for a wound up electrical conductor with reversal of the winding direction by forming loops Such a system is particularly required for motor vehicles.
  • the wound conductor creating a secure electrical connection between two parts of a motor vehicle (chassis-steering wheel) rotating against one another is often referred to below as the winding spring.
  • the problem with vehicles is that a number of electrical devices, such as a horn, airbag and the like, are accommodated on the steering wheel sitting on the steering column. These devices are connected to circuits which are fixed in relation to the vehicle chassis, while the devices seated in the steering wheel perform rotary movements with the steering wheel. Because of the steering angle gearbox, the rotational movement of the steering wheel can assume considerable dimensions.
  • a clock spring is provided, which is located in the vicinity of the steering column switch and is generally wound in a spiral.
  • the known coil springs can have a length of several meters
  • short-band systems have been proposed in which the coil spring is placed in a loop in the housing for the coil spring.
  • the winding spring itself in the form of a band. It is important for such systems that the loop is safely guided. It should also be kept as short as possible.
  • Another object of the invention is to reduce the installation space of the clock spring housing, in particular in its diameter.
  • the aim of the invention is to improve the guidance of the loop end within the clock spring housing by means of targeted measures.
  • the invention is therefore based on a transport system for a clock spring of the type resulting from the preamble of claim 1.
  • the invention consists in providing a special deflection part which ensures good guidance of the in particular band-shaped coil spring.
  • a coil body rotatable with the cover of the coil spring housing is provided, on which the winding tape or the wire-shaped coil spring is wound or unwound depending on the direction of rotation of the steering wheel.
  • a new type of system which allows winding of the clock spring in two directions and thereby shortening the clock spring accordingly, results in an advantageous development of the invention from the features of claim 2.
  • An improvement of the grinding guide can be achieved by the features of claim 3 , this also applies to the guide surfaces according to claim 6.
  • Claim 4 specifies an advantageous combination of features for the mounting of the end of the coil spring.
  • the exit direction of the clock spring from the coil body is automatically set depending on its position relative to the deflecting body. This ensures particularly good guidance of the winding springs around the deflecting body.
  • the feature combination according to claim 6 is recommended in a further development of the invention.
  • the leadership of the preferably ribbon-shaped winding spring can still be carried out improve the measures according to claim 7.
  • the last-mentioned measures all serve the purpose of preventing the spring from buckling and getting tangled within the housing.
  • the combination of features according to claim 8 is recommended in a further development of the invention. Thereafter, two coils are provided in the housing, the winding spring being unwound from one coil and from the one during a rotary movement other coil is wound up.
  • the combination of features according to claim 9 is recommended in a further development of the invention.
  • the deflection part is mounted displaceably in the housing about the steering column axis and steering column direction and thus separates the two coil sections from one another.
  • cylindrical jacket-shaped chamber walls can be used, which allow axial movement and also a rotary movement of the deflecting part, but fix its radial position.
  • the deflecting part has a particularly simple construction using the features according to claim 10, wherein the conduction band can be guided over the cutting edge.
  • the combination of features according to claim 11 is recommended in a further development of the invention.
  • the electrical conductors can be single strands or a plurality of strands overmolded to a round cross section with the advantage that the guide surface of the deflecting part can be comparatively narrow. But it is also particularly cheap, accordingly of the combination of features according to claim 15 to design the electrical conductor as a helical flat strip, since this means that the spring has greater rigidity and can be guided more easily. In this case, however, a correspondingly wide guideway must be provided at the cutting edge of the deflection part and there must be sufficient space to rotate the winding tape in the region of the guideway in its longitudinal axis by 90 degrees with respect to the position on the bobbin. In any case, the deflecting part must have at least the height of the minimum loop diameter at which the related conductor has a function over the entire service life according to the specification.
  • the features according to claim 19 describe a simple construction for such a transmission.
  • the usual involute toothing is not used for the internal toothing of the housing and the cam disk, but rather a curved toothing which ensures a smoother running and is easier to manufacture is.
  • the toothing of the housing is formed by rotating or fixed rollers, the fixed rollers being easier to install, while the rotating rollers to ensure a lower friction of the cam disc in the housing.
  • the combination of features according to claim 20 is recommended, in which case the positive fit is to be understood as that both disks are positively connected to each other but can be sufficiently shifted against each other.
  • the combination of features according to claim 21 results in particularly good guidance of the coil spring, which is preferably designed as a band, but it is not necessary for the two deflecting parts to be at an angle of 180 degrees.
  • the angular distance can also be considerably smaller.
  • the detent which engages the turn signal switch is automatically disengaged by turning the steering wheel and thus the steering column back. Since the cover of the coil spring housing is intended to rotate with the steering column, the further development according to claim 25 is recommended as a particularly advantageous embodiment of the invention. Thereafter, the cover of the coil spring housing can be used at the same time for resetting the flasher switch.
  • FIG. 4 shows the preferred form of the electrical line of the embodiment according to FIG. 3,
  • FIG. 6 shows a second exemplary embodiment for a drive system of the deflecting part
  • FIG. 7 is a sectional view of the top view of the drive system of FIG. 6,
  • Fig. 1 shows a coil spring housing 1, which is fixed in the motor vehicle and the associated housing cover 2, which rotates with the steering column and thus also the steering wheel of the motor vehicle.
  • a first coil former 3 is attached to the cover 2 in one piece, for example by casting.
  • the housing 1 has a substantially circular outer wall 4 with a slot-shaped outlet opening 5 which the coil spring 8 with its connector 7 is led out of the housing 1.
  • the second coil spring end 6 is wound around the coil former 3, while the first coil spring end 20 merges into a loop 14.
  • the coil spring 8 rests on the bottom 9 of the housing 1, while the first coil body 3 dips into the interior of the housing.
  • the steering column protrudes through the circular opening 10 of the coil former and is connected to the coil former and thus to the cover, so that this follows the rotational movement of the steering column.
  • a deflection part 11 projects from the bottom 9 of the housing 1 and merges into a web 12 in the form of a sector of a circle.
  • the web 12 and the outer wall 4 form a receiving space 13 for the spring section 16, which is designed as a loop 14.
  • the deflection part 11 is separated from the outer wall 4 by an arcuate slot 15, which connects the interior enclosed by the web 12 to the receiving space 13.
  • the connector 17 follows the rotational movement of the housing cover 2.
  • a cover 18 in the form of a circular section passes through the cover 2 and the first coil body 3. This circular section allows the insertion of the cylinder body 19 at the end 6 of the clock spring, the cylinder body 19 being rotatably mounted in the receptacle 18.
  • the exit angle of the band-shaped coil spring 8 from the receptacle 18 is thus adjusted according to the applied forces, so that the angle can be adjusted in accordance with the resulting inhibitions and the coil spring evades them.
  • the web 12 is connected at its end facing away from the deflection part 11 to the outer wall 4 of the housing 1, so that a closed space is created for the loop 14. there, which is partially limited by the outer wall 4 and by the web 12.
  • the use of the clock spring 8 in the housing 1 can be seen clearly from Fig. 2a. It is particularly important that the coil spring section emerging from the recess 18 is guided via the arcuate slot 15 into the receiving space 13, where the coil spring forms a loop 14 and protrudes with its end out of the outlet opening 5. Thus, the clock spring 8 is securely guided in the receiving space 13.
  • a special feature of the exemplary embodiment according to FIGS. 1 and 2 is that the first end of the clock spring 6 can be guided via the receptacle 18 both to the left around the first coil former 3 and to the right around the first coil former 3, depending on the direction of rotation of the housing cover 2 It is therefore a particular advantage of the system that it is possible to have a direct transition of the clock spring from the receptacle 18 into the tubular slot 15 in the starting position of the steering column or in its zero position without a winding on in this zero position the first bobbin is wound. Only when the steering wheel is rotated by more than 360 degrees is the first end of the coil spring 6 wound either left or right with one or more layers on the first bobbin, depending on the direction of rotation of the steering wheel and thus of the housing cover 2.
  • the coil spring 8 can be kept particularly short, which supports a trouble-free movement of the coil spring band 8 in the receiving space 13. It is also important that when the first bobbin 3 rotates, the cylinder body 19 is rotated in the receptacle 18 such that the winding tape 8 is easily guided around the first bobbin 3 in one direction or the other, starting from the receptacle 18, and the tape is thus wound up can be. there as already explained above, the coil body 3 rotates together with the housing cover 2, while the housing including the receiving space 13 and the deflection part 11 remain stationary.
  • FIGS. 1 and 2 can be used both for bib-shaped coil springs but particularly preferably also for band-shaped coil springs. It is also important for the invention that the guide surfaces for the clock spring are smooth and as free of friction as possible.
  • the winding space between the first bobbin 3 and the web 12 should not be made larger than necessary, on the one hand to save space and on the other hand to prevent the winding spring from buckling as much as possible.
  • Fig. 3 shows a second embodiment of the invention.
  • the housing 23 has essentially the bottom 24 and an annular inner wall 25 which are arranged in a stationary manner.
  • the two coil sections 27, 26 are connected to one another via a shawl 34 and are kept at a distance via a deflecting part 28.
  • the deflection part essentially consists of a cut ring, the two cut edges 29, 30 being rounded and forming a guide edge for the band-shaped electrical conductor wound on two coil sections 26, 27.
  • the deflection part can be rotated about the longitudinal axis L and can also be displaced in the longitudinal direction of this axis. Only in radial Direction, the position of the deflecting part 28 is fixed.
  • the deflection part is furthermore carried along or driven by the housing cover 22 or the first coil section 26.
  • the deflection part 28 is taken along.
  • the deflection part rotates at half the speed of the first coil section 26 or the cover 22.
  • the end of the first coil section runs over the loop 31 to the beginning of the second coil section.
  • the second spool section 27 is, however, held stationary, but is provided with a winding direction which leads to the unwinding of the second spool section 27. If the first coil section 26 therefore winds up, the winding tape required for this can only be unwound from the second coil section.
  • the deflection part is set up and arranged such that it can be rotated with little effort in the sense of the first coil section. The winding force on the first coil section therefore transports the deflection part, so that the coil spring 37 is wound tightly and at the same time the second coil section is unwound.
  • the deflection part is driven via the cutting edge 30 and the first coil section is unwound while the second half of the coil is being wound up. Therefore, the conductor cable should have the lowest possible tendency to kink and the deflection part should run with low friction.
  • a particular advantage of the invention is that the height of the housing increases somewhat, the diameter the housing is comparatively small. This gives the possibility of inserting the present housing into the interior of the steering column switch, whereas in the known coil springs this had to be mounted outside, in particular above, the switch. In this way it is possible to attach one or more actuation projections 34 to the outer wall of the rotatable housing half 33, which can be used to switch a flasher switch or another device, the actuation of which depends on the set steering angle (for example steering angle sensors).
  • FIG. 5 shows a swash gear with which the deflecting part is driven at a speed that deviates from the steering column.
  • No. 40 shows a section of the steering column 41 which, provided with rollers, extends into the coil spring housing 42.
  • the coil spring housing 42 is provided with fixed or rotatably arranged rollers 43, which take over the task of internal teeth.
  • the rollers act on a cam contour 44 of a cam plate 45 which is acted upon by the eccentrically arranged rollers 46 on the steering column 41.
  • the cam plate 45 thus has the effect of a swash plate of a wobble mechanism.
  • the speed of rotation of the cam 45 relative to the speed of rotation of the steering column can be determined in a manner known per se by the difference in the number of rollers 43 compared to the number of curved projections on the cam 45.
  • the knobs 48 on the drive wheel are smaller selected as the engagement holes 49 of the cam, which drive the drive wheel 47 via the knobs.
  • the two deflection parts 51, 52 serve to guide the winding spring (not shown) in a manner to be described.
  • FIG. 6 differs only slightly from the embodiment according to FIG. 5 in that the clock spring is additionally shown as a band-shaped clock spring 53.
  • the construction shown is very wear-free, low-noise and requires only a small installation space.
  • Fig. 7 shows a detail of the eccentric gear in plan view, the cover 54 and other details have been omitted.
  • FIG. 8 shows exemplary embodiments for the arrangement of the deflecting parts and the winding spool on the spool body.
  • the course of the clock spring 64 is shown clearly in the three drawings 8, 9, 10. 8, 9 and 10 are self-explanatory.
  • the arrangement of two webs 65 for guiding the winding spring 64 is particularly noteworthy in FIG. 9.
  • the arrangement according to FIG. 8 has two loops, the ends of which are each secured against tangling by a deflection part 61, 62.
  • the deflection parts are fixedly mounted on the drive wheel, as can be seen from FIG. 5 with regard to the deflection parts 51, 52.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Steering Controls (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)

Abstract

L'invention concerne un système de transport pour un conducteur électrique enroulé pour véhicules. De tels ressorts spiralés doivent assurer une liaison électrique fiable entre le volant de direction qui tourne et les dispositifs de commutation fixes. L'invention a pour objet de procurer un système de transport relativement compact, facile à fabriquer et possédant un ressort spiralé relativement court. Pour ce faire, l'invention propose d'utiliser un élément d'inversion (11) qui s'emboîte dans une boucle (14) et d'employer d'un corps de bobine (3), sur lequel une partie de ressort spiralé (8) est embobiné.
PCT/EP1996/002768 1995-09-19 1996-06-25 Systeme de transport pour un conducteur electrique enroule avec inversion du sens de bobinage par formation d'une boucle Ceased WO1997010971A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1995134655 DE19534655B4 (de) 1995-09-19 1995-09-19 Transportsystem für einen aufgewickelten elektrischen Leiter mit Wickelsinnumkehrung durch Schleifenbildung
DE19534655.6 1995-09-19

Publications (1)

Publication Number Publication Date
WO1997010971A1 true WO1997010971A1 (fr) 1997-03-27

Family

ID=7772524

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1996/002768 Ceased WO1997010971A1 (fr) 1995-09-19 1996-06-25 Systeme de transport pour un conducteur electrique enroule avec inversion du sens de bobinage par formation d'une boucle

Country Status (2)

Country Link
DE (2) DE19534655B4 (fr)
WO (1) WO1997010971A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110027607A (zh) * 2018-01-12 2019-07-19 郑州宇通客车股份有限公司 一种车辆及其转向回正装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10230348A1 (de) * 2002-07-02 2004-01-15 Valeo Schalter Und Sensoren Gmbh Flachbandkabel
DE10234382A1 (de) * 2002-07-27 2004-01-29 Delphi Technologies, Inc., Troy Elektrische Verbindungseinrichtung
KR100732221B1 (ko) * 2004-02-12 2007-06-27 알프스 덴키 가부시키가이샤 회전커넥터
FR2877412B1 (fr) * 2004-10-29 2009-07-03 Peugeot Citroen Automobiles Sa Ressort spiral de volant a commandes centrales fixes comportant une gaine electrique
DE102006009167B4 (de) * 2006-02-24 2007-11-08 Tyco Electronics Amp Gmbh Drehverbinder
DE102006009169B4 (de) * 2006-02-24 2007-11-08 Tyco Electronics Amp Gmbh Drehverbinder mit Wickeleinheit
DE102006032301B3 (de) * 2006-07-11 2008-02-07 Tyco Electronics Amp Gmbh Drehverbinder mit Wickelvorrichtung
GB0905224D0 (en) * 2009-03-26 2009-05-13 Delphi Tech Inc System for installation of an electrical cable

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Publication number Priority date Publication date Assignee Title
DE4019006A1 (de) * 1989-06-15 1991-01-03 Daihatsu Motor Co Ltd Verkabelungsvorrichtung zur herstellung einer elektrischen verbindung zwischen einem lenkrad und einer lenksaeule eines kraftfahrzeugs
DE9107726U1 (de) * 1991-06-22 1991-08-08 kabelmetal electro GmbH, 3000 Hannover Vorrichtung zur Stromübertragung zwischen zwei relativ zueinander beweglichen Endstellen
US5224871A (en) * 1991-04-30 1993-07-06 Alps Electric Co., Ltd. Clock spring connector
US5328112A (en) * 1991-12-24 1994-07-12 The Furukawa Electric Co., Ltd. Transmission apparatus between two relatively rotating members

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ZA738845B (en) * 1972-12-27 1974-10-30 R Davidson Speed and/or direction change means
DE3537783A1 (de) * 1985-10-24 1987-04-30 Teldix Gmbh Signaluebertragungseinrichtung
JPH0282891U (fr) * 1988-12-14 1990-06-27
JPH02215071A (ja) * 1989-02-14 1990-08-28 Furukawa Electric Co Ltd:The コネクタ装置
JPH0389059U (fr) * 1989-12-26 1991-09-11
JP2502993Y2 (ja) * 1990-02-06 1996-06-26 アルプス電気株式会社 ケ―ブルリ―ル
DE4121137C3 (de) * 1990-04-14 1995-07-13 Alps Electric Co Ltd Verbindungseinrichtung mit einem nach Art einer Uhrfeder angeordnetem elektrischen Kabel
JP2826006B2 (ja) * 1991-12-13 1998-11-18 アルプス電気株式会社 ケーブルリール
JP2826009B2 (ja) * 1992-01-27 1998-11-18 アルプス電気株式会社 ケーブルリール
KR0133984B1 (ko) * 1993-05-31 1998-05-15 가따오까 마사따까 클럭스프링 콘넥터
JP2913244B2 (ja) * 1993-06-30 1999-06-28 アルプス電気株式会社 ケーブルリール
EP0775611A3 (fr) * 1993-12-22 1998-04-08 Nihon Plast Co., Ltd. Dispositif d'embobinage de câble

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4019006A1 (de) * 1989-06-15 1991-01-03 Daihatsu Motor Co Ltd Verkabelungsvorrichtung zur herstellung einer elektrischen verbindung zwischen einem lenkrad und einer lenksaeule eines kraftfahrzeugs
US5224871A (en) * 1991-04-30 1993-07-06 Alps Electric Co., Ltd. Clock spring connector
DE9107726U1 (de) * 1991-06-22 1991-08-08 kabelmetal electro GmbH, 3000 Hannover Vorrichtung zur Stromübertragung zwischen zwei relativ zueinander beweglichen Endstellen
US5328112A (en) * 1991-12-24 1994-07-12 The Furukawa Electric Co., Ltd. Transmission apparatus between two relatively rotating members

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110027607A (zh) * 2018-01-12 2019-07-19 郑州宇通客车股份有限公司 一种车辆及其转向回正装置

Also Published As

Publication number Publication date
DE19549747B4 (de) 2005-10-27
DE19534655A1 (de) 1997-03-20
DE19534655B4 (de) 2004-03-11

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