WO2008077822A1 - Dispositif de liaison et procédé pour relier une première pièce à un support - Google Patents

Dispositif de liaison et procédé pour relier une première pièce à un support Download PDF

Info

Publication number
WO2008077822A1
WO2008077822A1 PCT/EP2007/063976 EP2007063976W WO2008077822A1 WO 2008077822 A1 WO2008077822 A1 WO 2008077822A1 EP 2007063976 W EP2007063976 W EP 2007063976W WO 2008077822 A1 WO2008077822 A1 WO 2008077822A1
Authority
WO
WIPO (PCT)
Prior art keywords
carrier
connecting device
clamping ring
wings
fastening
Prior art date
Application number
PCT/EP2007/063976
Other languages
German (de)
English (en)
Inventor
Helmut Sesselmann
Original Assignee
Brose Fahrzeugteile Gmbh & Co. Kg, Coburg
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 Gmbh & Co. Kg, Coburg filed Critical Brose Fahrzeugteile Gmbh & Co. Kg, Coburg
Publication of WO2008077822A1 publication Critical patent/WO2008077822A1/fr

Links

Classifications

    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/10—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts
    • F16B21/16—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft
    • F16B21/18—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft with circlips or like resilient retaining devices, i.e. resilient in the plane of the ring or the like; Details
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/40—Clamping arrangements where clamping parts are received in recesses of elements to be connected
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B9/00—Connections of rods or tubular parts to flat surfaces at an angle
    • F16B9/02—Detachable connections

Definitions

  • the invention relates to a connecting device for connecting a first part to a carrier and to a method for connecting a first part to a carrier.
  • the first part is, for example, the drive housing of a motor drive and the support is a mounting plate or a base plate of a guide rail.
  • motor drives for motor vehicle adjusting devices which are fastened on one side of a door module plate, wherein a torque-providing output element of the motor drive protrudes through the door module plate and on the other side of the door module plate is in engagement with a functional part and on this one Torque transfers.
  • a mounting arrangement for a Unterdruckverstell- drive in particular for heating and / or air conditioning in motor vehicles is known in which a housing rests with a front side on one side of a holder, in the front side of the housing fastening lugs in a circle are integrally formed and the Mounting lugs protrude through openings in the holder.
  • an end bayonet coupling is provided, which allows the attachment of the housing to the holder.
  • the present invention has for its object to provide a connecting device and a method for connecting a first part to a carrier, which allow a simple connection with preferably simultaneously secure and precise positioning of the parts.
  • the present invention is characterized by the idea that at least one attachment wing arranged on the first part engages through an associated opening formed in the support and a tensioning ring is used to secure the first part to the support, which extends into radially outer surfaces engages the associated apertures of the carrier thorough attachment wing.
  • the clamping ring thereby fixes the fixing wing or wings and thus the first part overall with respect to the carrier.
  • the invention provides a simple and novel fastening and assembly concept, in particular for a drive of a motor vehicle adjusting device, which uses a clamping ring for the connection of the parts considered, which is used during assembly in radially outer surfaces of the fastening wings and this in relation to the Carrier positioned.
  • a clamping ring in the context of the present invention is a radially elastically expansible ring.
  • it is a preferably circular ring, which is interrupted at one point and thereby elastically beaubar.
  • the ring is formed continuously and it consists of a highly elastic material, comparable to a rubber band.
  • the radially outer surface of the attachment wing is in each case shaped such that the clamping ring arranged therein self-locking, that is secured against loosening. This means, in particular, that during settling movements an automatic adjustment effect occurs, which leads to the fact that the clamping ring is always held without play in the radially outer surfaces of the actuating element. This ensures a secure and precise positioning of the first part on the carrier.
  • the radially outer surface of the attachment wings each having a conically extending portion on which the clamping ring is applied laterally, wherein the tapered portion forms a preferably self-locking angle with the second side of the carrier in the mounted state
  • the radially outer surface preferably has a first region extending substantially perpendicular to the carrier, which region adjoins the carrier in the assembled state and which receives the clamping ring.
  • the conically extending region adjoins this essentially vertically extending region, wherein the clamping ring bears laterally against the conically extending region and is held in a self-locking manner by the latter on the fastening wing.
  • the first part comprises an output shaft and the carrier has a recess, wherein the output shaft protrudes through the recess of the carrier.
  • the attachment wings are preferably concentric with the output shaft and the openings of the carrier formed concentrically with the recess.
  • the first part comprises a cone and the recess a conical seat, wherein in the mounted state, the cone rests in the conical seat.
  • the taper of the cone and the conicity of the conical seat are preferably different, so that the cone rests against a defined insertion depth in the conical seat on this clearance. This ensures that the first part is positioned with no radial play relative to the carrier.
  • the conical seat tapers it is preferably on the second side of the carrier. Further, the cone is preferably formed radially within the attachment wings on the first part.
  • the attachment wings are molded, for example, to the first part. Likewise, other types of attachment or a one-piece design with the first part are possible.
  • a second part is further provided, which is designed such that the clamping ring is preassembled on the second part.
  • the second part may be a functional part, e.g. a bearing cap or a cable drum housing, which remains in the mounted state on the connecting device, or an assembly-only tool that does not remain on the connecting device after assembly.
  • the second part preferably has first, radial abutment surfaces and second, axial abutment surfaces facing in the mounting direction, which hold the clamping ring on the second part.
  • first and second means are provided which cause the clamping ring during assembly automatically from the second part and engages in the radially outer surfaces of the fastening wings.
  • the second part effectively acts as an assembly aid, whereby upon assembly due to an interaction between the first part and the second part, the clamping ring is automatically, i. without any further tools and without manual manipulation, the radially outer surfaces of the fastening wings come into engagement.
  • the first means comprise conically extending axial front surfaces of the fastening wings and the second means comprise axially extending abutment surfaces of the second part.
  • the fastening wings come into contact with the second part, the conically extending front surfaces of the fastening wings each widening the clamping ring axially fixed by the axially extending abutment surfaces of the second part and the expanded clamping ring jumps into the radially outer surfaces of the fastening wings.
  • the conically extending axially front surfaces of the fastening wings which constitute conical expansion surfaces, in cooperation with the axially directed abutment surfaces formed on the second part, cause the clamping ring to be automatically transported between conical surfaces of the two parts during assembly, wherein the conical surfaces include a radially inwardly directed wedge angle ⁇ , in which the clamping ring pulls in and thus axially braces the parts together.
  • the respective conical surfaces are the conical surfaces of the fastening wings and the radial contact surfaces of the second part.
  • the wedge angle ⁇ is preferably self-locking with respect to the clamping ring.
  • further guide pins are provided on the first part, which pass through corresponding holes formed in the carrier and preferably engage in engagement openings of the second part, and a peripheral sealing element is provided, preferably radially outside the attachment wings between the first part and the second Carrier is arranged.
  • projections of the first part are engageable with the second part in such a way that the second part is mounted against rotation.
  • the method according to the invention for connecting a first part to a carrier has the following steps:
  • - Providing a support which is formed at least in a local area as a plate having a first side and a second side and having the openings, - Providing a first part with fastening wings, each having a radially outer surface, and arranging the first part the first side of the carrier such that the attachment wings protrude through the openings of the carrier, and - Providing a preferred biased clamping ring and arranging the clamping ring in such a manner on the fastening wings, that the clamping ring engages in the radially outer surfaces of the apertures of the carrier by cross-mounting wing.
  • the step of arranging the clamping ring on the fastening wings preferably comprises providing a second part and arranging the second part on the second side of the carrier, pre-assembling the clamping ring on the carrier-facing end side of the second part, and moving the second part in Direction of the carrier, the mounting wings of the first part of the clamping ring, until it comes into contact with the radially outer surfaces of the mounting wings. This allows an automatic arrangement of the clamping ring on the mounting wings during assembly.
  • the fastening wings have conically extending axially front surfaces, which is axially fixed by second stop formed on the second part stop surfaces, and the conically extending axially front surfaces during assembly in each case the axially fixed clamping ring Press and widen radially outwards until the expanded clamping ring merges into the radially outer surfaces of the fastening wings, which are moved during expansion relative to the second part. Due to the special shape of the fastening wings, the clamping ring is widened successively until it snaps into the radially outer surfaces of the fastening wing which pushes far below the clamping ring.
  • Figure 2 is an exploded view of the connecting device of Figure 1 from a different perspective
  • Figure 3 is an exploded view of the connecting device of Figures 1 and
  • Figure 4 is an enlarged perspective view of the assembled connecting device, wherein the clamping ring rests in radially outer surfaces of mounting wings, which forms the housing of the motor drive and which protrude through openings of the carrier; and
  • Figure 5 schematically shows the interaction of stop surfaces for holding the
  • Figures 1 and 2 show an embodiment of a connecting device for fastening a motor drive 100 to a carrier 200 using a bearing cap 300 and a clamping ring 400.
  • the motor drive 100 consists for example of a drive motor 170, an electronic unit 180 and a transmission, for example in A worm gear (not shown) that transmits torque to an output shaft 150.
  • At least the transmission is arranged in a housing 1 10, which consists for example of two housing half-shells 1 1 1, 1 12, which are clipped together.
  • the output shaft 150 has an outer toothing 151 and an axial guide pin 152.
  • three mounting wings 120 and three guide pins 130 are formed in a symmetrical arrangement and concentric to the output shaft, for example molded, which extend in the direction of the carrier 200 and are offset from each other by 45 °.
  • the use of three attachment wings 120 and three guide pins 130 is merely an example. It can also be provided only borrowed two wings or more than three wings attachment. The same applies to the guide pins.
  • the attachment wings 120 each have a radially outer surface 121, which serves to receive the clamping ring 400.
  • the radially outer surface 121 in one embodiment, a first, substantially perpendicular to the carrier 200 extending portion 121a and adjacent to this a conically extending portion 121 b, which can also be referred to as a conical outer clamping surface.
  • the conical region 121 b forms a self-locking angle with the carrier 200 in the mounted state, so that the clamping ring 400 can be arranged in the radially outer surface 121 in a self-locking manner, as will be explained in detail.
  • the fastening wing 120 furthermore has in each case a conical, axially front surface 122, which faces the carrier 200 and, as explained above, cooperates with contact surfaces of the bearing cap 300 for positioning the clamping ring 400 in the radially outer surfaces 121 of the fastening wings 120.
  • the conical axial front surface 122 is also referred to below as a conical expansion surface.
  • a sealing element 160 is further attached, which is designed as a circumferential ring and rests in the assembled state on a corresponding surface of the carrier 200.
  • the use of a sealing element 160 is optional and particularly useful in cases where the carrier 200 separates a wet space of a motor vehicle from a dry space of the motor vehicle.
  • the motor drive 100 is arranged in a wet space of the motor vehicle and projects the output shaft 150 into the dry space of the motor vehicle. Effective wet / dry space separation can also be ensured in the area of attachment of the motor drive 100 to the carrier 200 via the sealing element 160, which extends radially outside the fastening wings 100 and the guide pins 130.
  • a receiving cone 140 is formed, which extends in a circular and concentric about the drive axis 150 and tapers with increasing distance to the drive housing 1 10.
  • the carrier 200 has a central recess 210 through which the output shaft 150 protrudes in the assembled state, three openings 220 arranged concentrically with the recess 210, through which the attachment wings 120 pass through in the assembled state, and three holes 230 for the guide pins 130.
  • the carrier 200 is at the same time at least in the region in which the recess 210, the openings 220 and the holes 230 are formed, formed as a plate and there has accordingly a first side 201, which faces the motor drive 100 with the drive housing 1 10, and a second side 202, which faces the bearing cap 300 and the clamping ring 400.
  • the recess 210 forms at its periphery an inner conical seat 240, which serves to receive the receiving cone 140 of the motor drive 100.
  • the outer conical surfaces of the receiving cone 140 come into contact with the inner conical seat 240 of the recess 210, whereby a play-free positioning and storage of the receiving cone 140 and thus of the drive housing 1 10 on the carrier 200 is made possible.
  • the conicity of the receiving cone 140 is preferably different from the taper of the conical seat 240.
  • the external teeth 151 of the output shaft 150 is in the illustrated embodiment in engagement with the internal teeth of a cable drum 340, around which a cable 350 is wound.
  • the cable 350 is, for example, the drive cable of a cable window lifter.
  • the motor drive 100 is in this case the motor drive of the cable window lifter.
  • the carrier is formed in this embodiment by the base plate of a guide rail of the cable window lifter. Cable window lifter are known in the art, so that their exact construction will not be discussed further.
  • the bearing cap 300 has a double function in the illustrated embodiment. It serves as a cable drum housing and the additional support of the output shaft 150. For this purpose, it has engagement openings 330, in which the guide pins 130 of the housing 1 10 engage, whereby the bearing cap 300 is positioned exactly with respect to the drive housing 110. Also, the bearing cap has an axial bearing hole 360, in which the guide pin 152 of the output shaft 150 is supported.
  • the bearing cap 300 also serves as a tool for automatically mounting the tension ring 400 to the mounting wing 120 of the housing during assembly.
  • the bearing cap 300 on the one hand mounting brackets 310 with axially directed end thrust surfaces 31 1 and on the other radial bearing surfaces 320th on.
  • the radial contact surfaces 320 may be tapered.
  • the clamping ring 400 is preassembled on the bearing cap 300 front side such that it is held between the thrust surfaces 31 1 and the contact surfaces 320, wherein it is radially biased by the contact surfaces 320.
  • the pre-assembled on the bearing cap 300 clamping ring 400 is shown in the figure 3.
  • the clamping ring 400 is formed as a circular ring which is interrupted at a point 401 and thereby elastically learnbar in the radial direction.
  • the clamping ring 400 may be made of any elastic material.
  • the tension ring is formed continuously (i.e., without interruption) and the tension ring is made of a highly elastic material, comparable to a rubber band.
  • the fastening wings 120 and the guide pins 130 are first inserted through the corresponding openings 220 and 230 of the carrier 200.
  • the receiving cone 140 comes to the conical seat 240 of the carrier 200 to the plant.
  • the cable drum 340 is attached to the output shaft 150, which projects through the recess 210 of the carrier 200.
  • the bearing cap 300 with the clamping ring 400 preassembled between the axial thrust surfaces 31 1 of the mounting blocks 310 and the radial abutment surfaces 320 is moved toward the attachment wings 120 in the axial direction (mounting direction).
  • the guide pin 130 of the housing 1 10 which engage in the corresponding engaging holes 130 of the bearing cap, thereby ensuring a suitable accurate positioning of the bearing cap 300th
  • the fully assembled connection device is shown in FIG. 4.
  • the clamping ring 400 is held in the mounted state between the conically extending region 121b of the respective fastening wing 120 and the radial contact surface 320 of the second part 300.
  • the conical axially front surfaces 122 alias conical expansion surfaces 122 cause, in cooperation with the axially directed abutment surfaces 31 1, that the clamping ring 400 during assembly automatically between on the one conical surfaces 121 b of the mounting wings 120 and on the other hand, the radial bearing surfaces 320 of the second part 300 is conveyed, wherein the corresponding surfaces 121 b, 320 include a radially inwardly wedge th wedge angle ⁇ , in which the clamping ring 400 pulls in and so the parts 100, 200, 300 together axially braced.
  • the clamping ring 400 fixes the mounting wings 120 and thus the motor drive 100 in total on the carrier 200.
  • the wedge angle ⁇ is designed to be self-locking with respect to the clamping ring 400.
  • the clamping ring 400 is attached to a tool which, like the bearing cap of Figures 1 to 4, first radial abutment surfaces 320 and second, axial and pointing in the mounting direction stop surfaces 31 1, the clamping ring 400 in the preassembled state on the second Keep part 300 Otherwise, however, the tool assumes no functionality and is therefore removed after assembly of the motor drive 100. LIST OF REFERENCE NUMBERS

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Clamps And Clips (AREA)

Abstract

L'invention concerne un dispositif de liaison et un procédé pour relier une première pièce (100) à un support (200). Le dispositif présente un support (200) dont au moins une partie locale est configurée sous la forme d'une plaque qui présente une première face (201) et une deuxième face (202), des perforations (210, 220) formées dans le support (200), une première partie (100) disposée sur la première face (201) du support (200) et au moins une saillie de fixation (120) disposée sur la première partie (100) et qui traverse une perforation (220) qui lui est associée dans le support (200). Selon l'invention, la ou les saillies de fixation présentent respectivement une surface radialement extérieure (121) comme aile de fixation (120), et on prévoit un anneau de serrage (400) qui, à l'état monté, s'engage dans la surface radialement extérieure (201) de l'aile de fixation (120) qui traverse les perforations (220) qui lui sont associées dans le support (200) et qui immobilise ainsi la ou les ailes de fixation (120) par rapport au support (200).
PCT/EP2007/063976 2006-12-22 2007-12-14 Dispositif de liaison et procédé pour relier une première pièce à un support WO2008077822A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006062645.1 2006-12-22
DE102006062645A DE102006062645A1 (de) 2006-12-22 2006-12-22 Verbindungsvorrichtung und Verfahren zur Verbindung eines ersten Teils mit einem Träger

Publications (1)

Publication Number Publication Date
WO2008077822A1 true WO2008077822A1 (fr) 2008-07-03

Family

ID=39273102

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/063976 WO2008077822A1 (fr) 2006-12-22 2007-12-14 Dispositif de liaison et procédé pour relier une première pièce à un support

Country Status (2)

Country Link
DE (1) DE102006062645A1 (fr)
WO (1) WO2008077822A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3538791B1 (fr) * 2016-11-11 2021-04-07 SEW-Eurodrive GmbH & Co Boîte de vitesses pourvue d'un premier élément carter et d'un deuxième élément carter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1253895A (fr) * 1960-01-05 1961-02-17 Bronzavia Sa Dispositif d'assemblage mécanique de très faible encombrement
DE7825890U1 (fr) 1978-12-07 Bayerische Motoren Werke Ag, 8000 Muenchen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3032229A (en) * 1959-04-06 1962-05-01 Schoepe Adolf Composite housing
US4014619A (en) * 1975-09-29 1977-03-29 Koppy Corporation Retainer ring and splined member assembly
FR2812606B1 (fr) * 2000-08-02 2002-10-31 Autoliv Isodelta Element de volant de direction de vehicule avec systeme d'encliquetage, et volant le comportant
US7197807B2 (en) * 2004-03-22 2007-04-03 General Motors Corporation Castellated snap ring retention system and method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7825890U1 (fr) 1978-12-07 Bayerische Motoren Werke Ag, 8000 Muenchen
FR1253895A (fr) * 1960-01-05 1961-02-17 Bronzavia Sa Dispositif d'assemblage mécanique de très faible encombrement

Also Published As

Publication number Publication date
DE102006062645A1 (de) 2008-06-26

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