WO2024061416A2 - Dispositif et procédé pour fixer un matériau plan par complémentarité de forme - Google Patents

Dispositif et procédé pour fixer un matériau plan par complémentarité de forme Download PDF

Info

Publication number
WO2024061416A2
WO2024061416A2 PCT/DE2023/100710 DE2023100710W WO2024061416A2 WO 2024061416 A2 WO2024061416 A2 WO 2024061416A2 DE 2023100710 W DE2023100710 W DE 2023100710W WO 2024061416 A2 WO2024061416 A2 WO 2024061416A2
Authority
WO
WIPO (PCT)
Prior art keywords
locking
latching
recess
fastening
leg
Prior art date
Application number
PCT/DE2023/100710
Other languages
German (de)
English (en)
Other versions
WO2024061416A3 (fr
Inventor
George Cooper
Rolf Sonnleitner
Original Assignee
Rsl-Protech 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
Priority claimed from LU103018A external-priority patent/LU103018B1/de
Application filed by Rsl-Protech Gmbh filed Critical Rsl-Protech Gmbh
Publication of WO2024061416A2 publication Critical patent/WO2024061416A2/fr
Publication of WO2024061416A3 publication Critical patent/WO2024061416A3/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
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/06—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips
    • F16B5/0607—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other
    • F16B5/0621—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship
    • F16B5/0635—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship fastened over the edges of the sheets or plates

Definitions

  • the invention relates to a fastening device, a fastening system and a fastening method for positively fastening a first flat material.
  • Snap hooks for example, are known for connecting two flat materials in the motor vehicle for covering units or vehicle sheet metal or as noise insulation.
  • the disadvantage here is that you have to screw, press or clamp these in order to secure or lock them.
  • the flat material can deform or become damaged.
  • Blind installation is also disadvantageous because half of the snap hook is not visible.
  • a Velcro fastener is often used. However, this itself requires attachment to the component or material. Sewing, gluing or stapling are often used for this. Disadvantages are that this type of attachment, which may involve attaching Velcro, can be time consuming and expensive. Furthermore, not all materials are suitable for sewing, gluing or stapling. The positioning of this connection solution is inaccurate when two parts are joined together using Velcro.
  • EP 0584648 B1 describes a retaining clip for connecting plates with different expansion behavior, such as those used in automobile manufacturing for fastening plastic housings or panels to body parts.
  • the retaining clip has two through holes which are formed in clamp legs for clamping the plate with supporting spring tabs.
  • Another clamping leg includes a thread stamping for screwing in a sheet metal screw.
  • the clamping legs have two perforated sleeves that clamp the plate in a form-fitting manner.
  • the fastening arrangement has a fastening element which is fastened in a hole (15) in the plate (1) and with which the plate (1) can be fastened to the fastening base.
  • the fastening element (4) has a U-shaped clamp (5) which encompasses an edge of the plate and a pin which extends between two legs of the U-shaped clamp and extends through the plate.
  • the fastening element (4) has a pin-shaped element (13) for fastening the fastening element (4) to the fastening base.
  • the task is to create the simplest, most cost-effective fastening device for at least one flat material, preferably two flat materials, in particular for automobile construction, which comprises as few components as possible and which can be assembled and dismantled in as few steps as possible with a precise fit and repeatable manner.
  • a fastening device for the positive fastening of a first flat material is described here with two legs, a first leg and a second leg, with which the flat material, seen in the side cross section, can be gripped in a U-shape by means of a first predetermined bending section about a first predetermined bending axis.
  • the fastening device is designed with a latching device with a latching lug which is formed on the first leg perpendicular to the long side of the first leg and the second leg has a latching recess for latching into the latching device, the latching device and the latching recess each being in the same direction as the first desired bending axis Distance a are formed from each other.
  • a fastening device which grips a flat material, preferably a cladding material, for cladding body parts and units in a vehicle in a repeatable, form-fitting manner.
  • a cladding material can be attached in a defined manner. Due to the locking device, quick disassembly is possible without destroying the fastening device or the flat material.
  • the latching device is designed in the form of a projecting latching cylinder.
  • the locking lug is formed by means of a recess in the locking cylinder at a height in the locking cylinder that corresponds to the thickness of the second leg and the thickness of the flat material. This creates a resource-saving rest stop.
  • the contour of the locking lug is smoothly realized on the locking cylinder in order to easily implement a positive holding of the flat material.
  • the second leg can serve as a clamping bearing for the flat first material.
  • the flat first material can be flexible and soft.
  • a third leg is formed with a second locking recess on a second predetermined bending section with a second predetermined bending axis.
  • the latching device has a second and third latching lug, the second and third latching lugs being formed on the latching device, in particular by means of a respective recess.
  • the second locking recess thus locks on the second and third locking lugs in the second and third locking recesses.
  • the locking cylinder is designed with an internal bore.
  • the inner bore has the further advantage that a lever extension in the inner bore can be designed inwards towards the central axis of the inner bore as a boundary by an inner chord at the level of the third locking recess, so that the third leg can be locked as a second counter bearing using a lever tool .
  • the recess of the second locking lug has a recess in the axial direction with an orientation away from the first leg up to the end face of the locking device, which is preferably via the Recess is rounded in the axial direction towards the first leg.
  • the fastening device can be produced and processed cost-effectively and with few components, it is preferably made in one piece from a flexible hard plastic, in particular a polyamide or from a polyamide material.
  • the fastening device comprises at least one target bending section with a material taper, i.e. in this target bending section the strength of the leg is reduced and / or the width of the leg is reduced.
  • a fastening system with a fastening device described above and at least one flat material, the flat material having a recess in the cross-sectional contour of the locking device and the recess can be inserted into the locking device in a form-fitting manner and with a first locking lug and the first recess of the second leg can be locked.
  • a flat material can be assembled in a repeatable manner in a form-fitting manner.
  • the recess in the flat material is, for example, punched out or cut out and can therefore be manufactured inexpensively. No further manufacturing steps on the flat material are necessary.
  • a fastening method with a first flat material and with a fastening device, wherein a recess in the first flat material is positively hooked into a locking device of the fastening device and is locked into the locking device by means of a first counter surface with a locking recess.
  • the counter surface can be a separate fastening part, preferably the counter surface is another leg of a one-piece fastening device. The components are therefore reduced and the components for the locking device remain together.
  • a second flat material with a second recess of the latching device is positively hung onto the first counter surface and in particular with a tool that can be supported in the lever extension as a counter bearing, a second counter surface in the latching device is pulled over the second and third latching lug and locked into it.
  • Two flat materials are thus connected in a form-fitting manner, preferably by a single fastening device or a single latching device.
  • the second counter surface can be a separate component.
  • the second counter surface is preferably a third leg which is formed on the fastening device.
  • FIG. 1 a perspective view of the fastening device according to a second embodiment
  • FIG. 6 a perspective view of the fastening device according to FIG. 6 in the assembled state
  • FIG. 9 a perspective view of the fastening device according to FIG. 9 in the assembled state.
  • Fig. 1 shows the fastening device 1 for the positive fastening of a first flat material 30 and a second flat material 40, preferably a cladding material.
  • the fastening device 1 comprises three legs, a first leg 2, a second leg 3 and a third leg 4.
  • the first leg 2 is designed to be extended on a second leg 3 via a predetermined bending section 5 with a predetermined bending axis 6.
  • the third leg 4 is formed via a second predetermined bending section 7 with a predetermined bending axis 8.
  • the locking device 9 is designed in the middle, projecting vertically in the form of a cylinder, i.e. the locking cylinder, with an inner bore 21.
  • the latching cylinder has a first latching recess 12, which forms a chord through a portion of the inner bore 21 of the latching cylinder and forms the latching lug 10.
  • the second leg 3 has a locking recess 11 which engages in the first locking recess 12 when the second leg 3 is pivoted through 180° in the target bending region 5 about the target bending axis 6 in order to grip around the flat material 30, as shown in Figures 2-5 show.
  • the locking recess 11 has a counterholder 13 formed on the opposite side, which engages in the locking recess 12 in order to be locked with the locking lug 10, which is adapted to the rounded contour of the locking cylinder 9 and protrudes towards the middle of the leg in the form of a shortened tongue is trained.
  • the distance A from the center of the locking recess 11 to the center of the locking device 9 is an equal distance A with respect to the target bending axis 6.
  • a second recess 14 is formed in the third leg 4 at the same distance A from the target bending axis 8. 4 and 5, the second recess 14 engages in the second recess 15 with the locking lug 16 and the third recess 17 with the locking lug 18 and can be locked within these two recesses 15, 17 in the locking cylinder 9.
  • the recess 15 from the second locking lug 16 is formed in the axial direction with orientation away from the locked second leg 3 up to the end face 22 of the locking device 9 with a rectangular recess 20, which is preferably rounded over the depression 15 in the axial direction towards the locked second leg 3 is trained.
  • FIG. 2 shows a perspective view of the assembled state of the first flat material 30 with the fastening device 1.
  • the third leg 4 is shown resting on the flat material 30.
  • the flat material 30 can be soft and be a cladding material to cover vehicle components or body surfaces and, for example, to insulate and insulate in a sound-protective manner.
  • Figure 2 shows the function of the counter-holder 13, which rests with the rounded contour on the locking cylinder 9 and is locked in the first recess 12 with the first locking lug 10.
  • the first leg 2 and the leg 3 are folded around the first desired bending axis 6 and thus grip the flat material 30 in a form-fitting manner.
  • FIG. 3 shows a cross section of the perspective view of FIG. 2 across the latching cylinder 9 of the fastening device 1.
  • the latching lug 10 is now clearly visible, which is formed by the recess 12 in the cylinder.
  • the counterholder 13 rests on the locking cylinder 9.
  • the lever extension 19 is triangular upwards, with the lower base forming a right angle to the inner bore 21 downwards in the opposite direction of the end face 24 to the first leg 2.
  • the lever extension 19 forms an oblique triangular surface in the direction of the outer end face 24 of the locking device 9.
  • FIG 4 shows the fully assembled state of the fastening system with the fastening device 1 and the two flat materials 30 and 40, which are anchored in a form-fitting manner in the fastening device 1 and are locked by means of the fastening device 1 by means of the legs 2, 3 and 4.
  • the two flat materials 30 and 40 are positively secured in the XY plane and in the Z plane they are secured in the Z direction by means of the locking device 9 and the locking lugs 10, 16 and 18.
  • FIG. 5 shows a cross section of FIG. 4 across the fastening device 1 including the locking cylinder 9.
  • the fastening device 1 thus forms, depending on the view from which cross-sectional view the locked fastening device is seen, an “S” or a mirror-image “S” according to Fig. 5. Both the first flat material 30 and the second flat material 40 are with the first , second and third legs 2, 3, 4 are encompassed.
  • the fastening method for the positive fastening of a fastening system with a first flat material 30 and with a fastening device 1 therefore comprises the following steps: a recess 31 of the first flat material 30 is positively suspended in the latching device 9 of the fastening device 1, and by means of a first counter surface 22 a first locking recess 12 in the locking device 9 locked.
  • the fastening method includes the further steps that the second flat material 40 is hung with a second recess 41 in the latching device 9 in a form-fitting manner on the first counter surface 22 and in particular with a tool that can be supported in the lever attachment 19 as a counter bearing, a second counter surface 23 is pulled in the locking device 9 over the second and third locking lugs 16, 18 and locked.
  • the first and second counter surfaces 22 and 23 can be a separate component; the first and/or second counter surfaces 22, 23 are preferably formed in one piece on the fastening device 1, as shown in FIGS. 1 to 5.
  • a fastening device 1 a fastening system and a method for fastening are created in order to assemble flat, soft materials and, if necessary, to dismantle them without damaging them and to use as few components as possible.
  • the fastening device thus serves to connect two identical or different materials for fastening and thus extend them in order to serve as a cladding with the function of sound insulation, if necessary.
  • the fastening device 1 comprises a material taper on at least one predetermined bending section 5, 7, with transverse webs 51, 52 formed in particular on the material taper reinforcing a connection of the legs 2, 3. Furthermore, triangular webs 25, 26 are formed at least on the leg 2 parallel to the desired bending axis 6 on the surface receiving the flat material 30, i.e. the side with the locking device 9 projecting at a right angle in cross-section.
  • This means that the flat material 30 is also held better in the fastening device 1 under tensile forces and the tensile forces do not only act on the form-fitting recess 31.
  • corresponding webs also exist on the other surfaces that hold the flat material 30, 40 accordingly 8 touch are designed for the same reasons, for example to also relieve the positive recess 41 of the flat material 40.
  • FIG. 6, 7, 9 and 10 show the fastening device 1, wherein the first, second and third locking lugs 10, 16, 18 are secured by means of a plurality of, in particular at least 10, teeth at equal distances from one another in the side cross section, in particular in the form of Barbed teeth, with complementary locking recesses 12, 15, 17 are formed on the locking device 9.
  • the fastening device 1 is therefore more flexible and universal for different thicknesses of flat material 30, 40 and can be individually adapted to the actual thickness in order to use the fastening device in a fastening arrangement.
  • Figures 6, 7, 9 and 10 show the fastening device 1, in which the locking device 9 is cylindrical with a rectangular, in particular square, cross-section, wherein the locking lugs with the locking recesses are formed on opposite sides.
  • the component can thus be manufactured more easily with less material and improved closing force than with a round cylinder.
  • the fastening device 1 is generally formed with the three legs 2, 3, 4 in a straight row in one length.
  • the material 40 thus extends the material 30 and allows the panel to be subsequently opened and closed again for maintenance work.
  • FIG. 6, 7, 9 and 10 show the fastening device 1, in which the first and second locking recesses 11, 14 have desired bending webs 61, 62, 64, 65 on both sides with a distance 80 parallel and centered to the alignment of the locking lugs 10, 16 , 18, the distance essentially corresponding to the thickness 60 of the cross sections of the locking device 9 at the height of the locking recesses 15, 17.
  • a press fit or a corresponding clearance fit can be selected for the two cross sections 60 and 80.
  • the predetermined bending webs 61 have a material taper in the form of locking webs 63, 66 in the direction of the central locking recess 11, 14.
  • the locking webs serve to attach as a counter surface to a barbed surface of a locking lug.
  • the locking webs 63, 64 thus correspond in their thickness to one turn of a locking lug, for example with ten turns with 10 locking lugs standing one above the other on the locking device 9.
  • the fastening arrangement comprises a fastening system with a fastening device 1 described above and two flat materials 30, 40, wherein the flat material 30 has a recess 31 in the cross-sectional contour of the latching device 9, and the recess 31 can be inserted into the latching device in a form-fitting manner and with a first latching lug and the first recess of the second leg can be locked and the second flat material 40 with a recess 41 in the cross-sectional contour of the locking device 9 can be inserted in a form-fitting manner into the locking device between the second and third legs.
  • Two materials 30, 40 with different thicknesses can thus be fastened together, with dismantling for maintenance or recycling purposes possible.
  • the third leg 4 is formed with the second predetermined bending section 7 and with the second predetermined bending axis 8 at right angles to the first and second legs 2, 3.
  • the plurality of locking lugs with the locking recesses are formed on all four sides of the rectangular locking device 9 seen in cross section. With their U-shaped grip around the edge of the flat material, the legs 3, 4, 5 can thus be adjusted and clamped in the locking device 9 in accordance with the actual thickness of the flat materials.
  • tolerances in a fastening arrangement in the transition from material 30 to material 40 can be compensated if the recess 31, 41 have corresponding elongated holes in the direction to be compensated, parallel to the target bending axis 6, 8.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
  • Connection Of Plates (AREA)

Abstract

L'invention concerne un dispositif de fixation (1) conçu pour fixer par complémentarité de forme, un premier matériau plan, comprenant deux branches, une première branche (2) et une deuxième branche (3), avec lesquelles le matériau plan, vu en section transversale latérale, peut être entouré en forme de U au moyen d'une première partie de flexion (5) théorique autour d'un premier axe de flexion (6) théorique, un dispositif d'encliquetage (9) comprenant un premier nez d'encliquetage (10) qui est réalisé sur la première branche perpendiculairement au côté longitudinal de la première branche (2) et la deuxième branche (3) présentant un premier évidement d'encliquetage (11) pour l'encliquetage dans le dispositif d'encliquetage (9), ce dispositif d'encliquetage (9) et l'évidement d'encliquetage (11) étant formés à la même distance (A) l'un de l'autre respectivement par rapport au premier axe de flexion (6) théorique.
PCT/DE2023/100710 2022-09-23 2023-09-25 Dispositif et procédé pour fixer un matériau plan par complémentarité de forme WO2024061416A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
LULU103018 2022-09-23
LU103018A LU103018B1 (de) 2022-09-23 2022-09-23 Befestigungsvorrichtung, Befestigungssystem und Befestigungsverfahren zur formschlüssigen Befestigung eines flächigen Materials
DE102022124707 2022-09-26
DE102022124707.4 2022-09-26

Publications (2)

Publication Number Publication Date
WO2024061416A2 true WO2024061416A2 (fr) 2024-03-28
WO2024061416A3 WO2024061416A3 (fr) 2024-05-16

Family

ID=88923821

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2023/100710 WO2024061416A2 (fr) 2022-09-23 2023-09-25 Dispositif et procédé pour fixer un matériau plan par complémentarité de forme

Country Status (1)

Country Link
WO (1) WO2024061416A2 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0584648B1 (fr) 1992-08-27 1996-10-09 A. Raymond GmbH & Co. KG Agrafe de retenue pour assembler des plaques ayant un comportement différent à la dilatation
DE102008007329A1 (de) 2008-02-02 2009-08-06 Fischerwerke Gmbh & Co. Kg Befestigungsanordnung mit einer Platte

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0584648B1 (fr) 1992-08-27 1996-10-09 A. Raymond GmbH & Co. KG Agrafe de retenue pour assembler des plaques ayant un comportement différent à la dilatation
DE102008007329A1 (de) 2008-02-02 2009-08-06 Fischerwerke Gmbh & Co. Kg Befestigungsanordnung mit einer Platte

Also Published As

Publication number Publication date
WO2024061416A3 (fr) 2024-05-16

Similar Documents

Publication Publication Date Title
WO2003048591A1 (fr) Ecrou de raccordement concu pour visser des elements de construction sur un composant de type plaque
DE112019004011T5 (de) Montagesystem für ein Kastenprofil
WO2011157326A1 (fr) Agencement de montage pour un actionneur de porte
EP1388308B1 (fr) Assemblage avec un premier élément, un deuxième élément et une console d'assamblage pour maintenir et fixer de façon provisoire le premier élément au deuxième élement
DE102009051561A1 (de) Befestigungselement für einen Dachgepäckträger
EP1288485B1 (fr) Tuyau d'admission avec bride de fixation et insert pour renforcer la bride
DE202011003315U1 (de) Verbindungsvorrichtung
DE19916809A1 (de) Befestigungselement für Blechteile
WO2024061416A2 (fr) Dispositif et procédé pour fixer un matériau plan par complémentarité de forme
DE102018213966A1 (de) Vorrichtung zum Festlegen an mindestens einem Bauteil
EP2350468B1 (fr) Clip de fixation elastique en u
LU103018B1 (de) Befestigungsvorrichtung, Befestigungssystem und Befestigungsverfahren zur formschlüssigen Befestigung eines flächigen Materials
DE102013201988A1 (de) Befestigungsanordnung zur Anbringung eines Geräts, insbesondere eines Fahrzeugheizgeräts, an einer Trägerstruktur
DE102012023785A1 (de) Vorrichtung zum spannungsarmen Verbinden zweier Bauteile eines Kraftfahrzeuges sowie Fahrzeug-Scheinwerfer
EP1039154B1 (fr) Système de fixation
DE102014101464A1 (de) Befestigungseinrichtung
EP3865635B1 (fr) Dispositif de raccordement, paroi intérieure de navire et plafond intérieur de navire
DE102020214127A1 (de) Vorrichtung zur Befestigung an einem Bauteil sowie ein Verfahren zur Befestigung einer Vorrichtung an einem Bauteil
EP3663592B1 (fr) Système de raccordement
EP2702301B1 (fr) Joint d'étanchéité plat, à fixation compatible avec une tolérance
DE10107581B4 (de) Vorrichtung zur Verbindung eines Kunststoffteils mit einem flachen Trägerteil
DE10322728B3 (de) Befestigungseinrichtung
EP3344419B1 (fr) Visseuse dynamométrique
DE102016005515A1 (de) Verbindungseinrichtung zum Verbinden von zwei Bauelementen, insbesondere für ein Fahrzeug
DE10144982C2 (de) Befestigungselement

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23810279

Country of ref document: EP

Kind code of ref document: A2