WO2008092585A1 - Unité de fixation comprenant un élément de fixation pouvant être attaché au niveau d'un élément de support - Google Patents

Unité de fixation comprenant un élément de fixation pouvant être attaché au niveau d'un élément de support Download PDF

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Publication number
WO2008092585A1
WO2008092585A1 PCT/EP2008/000451 EP2008000451W WO2008092585A1 WO 2008092585 A1 WO2008092585 A1 WO 2008092585A1 EP 2008000451 W EP2008000451 W EP 2008000451W WO 2008092585 A1 WO2008092585 A1 WO 2008092585A1
Authority
WO
WIPO (PCT)
Prior art keywords
leg
fastening
fastening unit
unit according
spring arms
Prior art date
Application number
PCT/EP2008/000451
Other languages
German (de)
English (en)
Inventor
Wolfgang Klein
Richard Klein
Original Assignee
C+M Utescheny Spritzgiesstechnik 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 C+M Utescheny Spritzgiesstechnik Gmbh filed Critical C+M Utescheny Spritzgiesstechnik Gmbh
Publication of WO2008092585A1 publication Critical patent/WO2008092585A1/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
    • F16B21/06—Releasable fastening devices with snap-action
    • F16B21/08—Releasable fastening devices with snap-action in which the stud, pin, or spigot has a resilient part
    • F16B21/086—Releasable fastening devices with snap-action in which the stud, pin, or spigot has a resilient part the shank of the stud, pin or spigot having elevations, ribs, fins or prongs intended for deformation or tilting predominantly in a direction perpendicular to the direction of insertion

Definitions

  • Fixing unit with a attachable to a support member fastener
  • the invention relates to a fastening unit with a fastening element which can be attached or fastened to a carrier element, wherein the fastening element has at least one insertable into a mounting opening of the support member spring arm which protrudes in its longitudinal direction via the fastening element and with at least one Hm- tergreifvorsprung and a thereupon located support surface having portion transverse to the longitudinal direction of an engagement position, in particular against a restoring force m an insertion position is movable, wherein the at least one spring arm has an approximately U-shaped longitudinal section whose first U-leg carries a mounting position, which projects beyond the second U-leg , And wherein the second U-leg has a greater width than the first U-leg and the first U-leg surmounted by a lateral projection, which projection is bent in the direction of the first U-leg and with his the U-cross bar side facing away from the Hmtergreifvorsprung the spring arm forms with the support surface.
  • Such a fastening unit with two mirror-symmetrically arranged spring arms is known from DE 10 2005 062 979 A1 and has proven itself.
  • This known fastening unit allows rapid assembly by introducing the slightly yielding spring arms m a mounting opening of the support element, whereby the Hmtergreifvorsprünge m reach use position.
  • This attachment unit is able, for example, m a motor vehicle on the inner lining attachable handles that can absorb and transmit high forces.
  • first normal forces can be well absorbed and transmitted, with a certain elastic compliance and restoring force can be effective.
  • the relatively small gap or distance can be overcome quickly by such deformation, so that further deformation of the widening and connected to the fastening element U-leg is prevented relative to the other U-leg.
  • the broadening can protrude laterally transversely to the direction of extension relative to the first U-leg having it, and form a shoulder as a stop for the outer narrow side of the Hmtergreifvorsprungs.
  • a relatively simple, for example, stamped spring member can be provided as a spring arm, which can have the corresponding broadening for the transmission of forces acting in the longitudinal direction on the second U-leg in one piece.
  • the Hmtergreifvorsprünge the two spring arms may be directed to opposite sides and the distance of the mutually remote ends of Hmtergreifvorsprünge m relaxed or use position may be greater than the oriented in this direction overall dimension of the mounting hole, so that the Hmtergreifvorsprünge engage behind the insertion of the spring in the mounting hole whose edges.
  • This essentially corresponds to the arrangement according to DE 10 2005 062 979 A1.
  • the two spring arms can be assigned to each other in pairs and in opposite directions to each other to be movable and their overhang projections can engage behind opposite edge regions of the mounting opening m use position.
  • the spring arms can be connected to the fastening element - for example on the second U-leg - by screws or molding. Also, the spring arms may have a particular common fastening part which engages in the fastening element or embedded therein, in particular encapsulated.
  • two Hmtergreifvorsprünge may have an approximately matching dimension and / or shape and in particular approximately parallel to each other, so that they can also cooperate according to simultaneously and similar with widening of the first U-leg under load.
  • the carrier element according to the invention in the position of use receiving support member may be part of a vehicle interior trim and between the fastening element of the fastening unit and the support member may be clamped, for example, a vehicle sky or the like, wherein the fastener preferably as a holder or bearing block for a particular pivoting handle may be formed and preferably has a support for a pivotable handle.
  • a pivotable handle strap at two spaced attachment units between them attack attack attack.
  • Fig. 3 is an end view of two mirror-symmetrically trained spring arms with a view of the common U-crosspiece and on the support surface on a support element remote outer narrow side of the worn by the second U-leg Hmtergreifvorsprünge and this m this cross-sectional widening of the first U-leg such as
  • Fig. 4 in perspective view of the end portions of the two spring arms with their Hintergreifvorsprüngen and thus cooperating with it, especially when loading widenings.
  • a fastening unit designated as a whole by 1 has a fastening element 2 which, according to FIG. Gerelement 3 can be attached, which carrier element 3 may be, for example, a holding plate m a motor vehicle.
  • On the fastener 2 can be seen an extension 4, which may for example belong to a handle or a support for a pivoting handle and on which m direction of the arrow PF acting forces may occur, for example, if a user holds on to a corresponding handle or even pull something up.
  • These forces can be quite high, especially when the arrangement m is provided in a motor vehicle and the user holds on especially in violent vehicle movements.
  • Figure 1 can be seen on the fastener 2, a flange 5, which has a distance 6 with respect to the support member 3 m use position m which, for example, a headliner can engage, which is then clamped by the fastener 2 m position of use.
  • the fastening element 2 has two spring arms 8 which can be inserted into a fastening opening 7 of the carrier element 3 and which protrude in the longitudinal direction via the fastening element 2 - according to the drawing upwards - and subsections respectively having submerged projections 9 transverse to the longitudinal direction of a vertical gripper. position are moved against a restoring force in an insertion position.
  • the Hmtergreifvorsprünge 9 of the two spring arms 8 are directed m relation to each other to opposite sides and the distance of the opposite ends 9a of Hmtergreifvorsprünge 9 is m relaxed position as shown m Fig.4 larger than the oriented in this direction overall dimension of the mounting hole. 7
  • the spring arms 8 touch, but can be compressed sufficiently far due to their U-shaped longitudinal section training to fürgueren the mounting hole 7 can.
  • the two spring arms 8 are assigned to each other in pairs and formed symmetrically to each other and their Hmtergreifvorsprünge 9 and their support surfaces 9b overlap m use position opposite edge portions of the mounting hole. 7
  • the spring arms 8 may be connected to the fastener 2 by molding, with notches 8B at a respective attachment 8a makes this attachment suitable for receiving high forces.
  • the two spring arms 8 each have an approximately U-shaped longitudinal section, the first U-leg 8b of which bears the fastening position 8a. as it continues in one piece.
  • this attachment part 8a projects beyond the second U-leg 8c in the direction of longitudinal extension of the spring arms 8, this second U-leg 8c having a greater width than the first U-leg 8b, which can be seen particularly well in FIGS , Accordingly, the second U-leg 8c projects beyond the first U-leg 8b laterally about a projection 11, which is bent over in the direction m to the first U-leg 8b, in FIG.
  • the second U-leg 8c projects beyond the first U-leg 8b on both sides in each case around a projection 11 on which a respective gripping projection 9 is arranged. Both of the U-leg 8c emanating Hm tergrip projections 9 thus lead past the first U-leg 8b.
  • these spacers 10 In unloaded or little loaded condition, these spacers 10 according to Figure 4 optionally have a distance or gap 12 to the Schugreifvorsprung 9, so that initially at not too great forces still some elastic deformation of the spring arms 8 is possible before a correspondingly large , About m direction of the U-legs 8b and 8c extending load and deformation, the spacers reach 10 m Berschreibrome with the respective outer narrow side 9c of Hmtergreifvorsprungs 9.
  • the respective widening 10 protrudes laterally relative to the respective first U-leg 8b transversely to its extension direction and forms a shoulder 10b as a stop for the outer narrow side 9c of the Hmtergreifvorsprungs 9.
  • the first spring arms 8b moves slightly m direction of the arrow PF relative to the second spring arms 8c practically defined by the Hmtergreifvorsprünge 9 in this direction can be, but this is already blocked by the widenings 10 and their attack on the Hmtergreifvorsprüngen 9 after a slight elastic movement. If the distance or gap 12 from the outset very small or dimensioned even avoided, the corresponding power transmission takes place on both spring arms 8b and 8c right from the beginning of a corresponding load.
  • the widening 10 extends approximately from the U-crosspiece 8d of the spring arm 8, starting on an oblique outer side 10a to its largest dimension and the paragraph formed by her 10b, which forms the actual counter stop for the outer narrow side 9c of Hmtergreifvorsprungs 9 ,
  • this outer narrow side 9c is formed in the region of the widening 10 less steeply running, as in the following, which is especially clear m Figs. 1 and 4 can be seen.
  • This first less oblique region of the outer narrow side 9c can therefore form a good abutment for the widening 10 and its shoulder 10b.
  • each U-shaped spring arm arranged two Hmtergreifvorsprünge 9 and the Tubs 10 have each matching dimensions and shapes and are largely parallel and mirror symmetry to each other.
  • the fastening unit 1 has a fastening element 2 which can be attached to a carrier element 3, for example a holding plate within a motor vehicle, and has at least one or preferably two spring arms 8 for the anchorage, on which rear engagement projections 9 are in particular integrally formed.
  • the support surfaces 9b facing away from these Schugreifvorsprünge 9 are on the spring arm 8 at another U-leg 8b spacers 10 provided that can prevent a relative longitudinal deformation of a U-leg 8b relative to the U-leg 8c or vice versa as far as possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Buckles (AREA)
  • Clamps And Clips (AREA)

Abstract

L'invention concerne une unité de fixation (1) qui présente un élément de fixation (2), qui peut être attaché au niveau d'un élément de support (3), par exemple une tôle de retenue à l'intérieur d'une automobile, et possède au moins un ou de manière préférée deux bras formant ressort (8) pour l'ancrage, au niveau desquels des saillies de pinçage arrière (9) sont formées, en particulier d'une seule pièce. Des élargissements (10) détournés des surfaces d'appui (9b) de ces saillies de pinçage arrière (9) sont prévus au niveau du bras formant ressort (8) au niveau d'une autre branche en U (8b), qui peuvent empêcher dans une très large mesure une déformation longitudinale relative de l'une des branches en U (8b) par rapport à l'autre branche en U (8c) ou inversement.
PCT/EP2008/000451 2007-01-30 2008-01-22 Unité de fixation comprenant un élément de fixation pouvant être attaché au niveau d'un élément de support WO2008092585A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710005475 DE102007005475B4 (de) 2007-01-30 2007-01-30 Befestigungseinheit mit einem an einem Trägerelement anbringbaren Befestigungselement
DE102007005475.2 2007-01-30

Publications (1)

Publication Number Publication Date
WO2008092585A1 true WO2008092585A1 (fr) 2008-08-07

Family

ID=39304247

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/000451 WO2008092585A1 (fr) 2007-01-30 2008-01-22 Unité de fixation comprenant un élément de fixation pouvant être attaché au niveau d'un élément de support

Country Status (2)

Country Link
DE (1) DE102007005475B4 (fr)
WO (1) WO2008092585A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009051736A1 (de) 2008-11-03 2010-06-02 Technoplast D.O.O. Verriegelung Befestigung

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010008458A1 (de) * 2010-02-18 2011-09-08 A. Raymond Et Cie Befestigungsvorrichtung
DE102012215346B4 (de) * 2012-08-29 2021-02-18 Volkswagen Aktiengesellschaft Reversible Rastverbindung zur verbesserten Montage und Demontage eines Bauteiles an einem Rohbauteil
DE102012024041B4 (de) 2012-12-08 2023-08-24 Volkswagen Aktiengesellschaft Befestigungsset mit Befestigungsklammer zur Befestigung eines Bauteils an einem Tragelement
DE102013004130A1 (de) 2013-03-09 2014-09-11 Volkswagen Aktiengesellschaft Befestigungsvorrichtung für die Befestigung eines Innenraumbauteils

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1325317A (fr) * 1962-06-07 1963-04-26 Agrafe à encastrement
DE102005062979A1 (de) * 2005-12-28 2006-07-20 C+M Utescheny Spritzgiesstechnik Gmbh Befestigungseinheit mit einem Befestigungselement
DE202007001575U1 (de) * 2007-01-30 2007-04-05 C+M Utescheny Spritzgiesstechnik Gmbh Befestigungseinheit mit einem an einem Trägerelement anbringbaren Befestigungselement

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6976292B2 (en) * 2003-08-28 2005-12-20 Newfrey Llc Resilient clip fastener

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1325317A (fr) * 1962-06-07 1963-04-26 Agrafe à encastrement
DE102005062979A1 (de) * 2005-12-28 2006-07-20 C+M Utescheny Spritzgiesstechnik Gmbh Befestigungseinheit mit einem Befestigungselement
DE202007001575U1 (de) * 2007-01-30 2007-04-05 C+M Utescheny Spritzgiesstechnik Gmbh Befestigungseinheit mit einem an einem Trägerelement anbringbaren Befestigungselement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009051736A1 (de) 2008-11-03 2010-06-02 Technoplast D.O.O. Verriegelung Befestigung

Also Published As

Publication number Publication date
DE102007005475B4 (de) 2008-09-25
DE102007005475A1 (de) 2008-07-31

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