WO2009141285A1 - Dispositif de maintien et procédé pour relier un premier et un deuxième élément - Google Patents

Dispositif de maintien et procédé pour relier un premier et un deuxième élément Download PDF

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Publication number
WO2009141285A1
WO2009141285A1 PCT/EP2009/055947 EP2009055947W WO2009141285A1 WO 2009141285 A1 WO2009141285 A1 WO 2009141285A1 EP 2009055947 W EP2009055947 W EP 2009055947W WO 2009141285 A1 WO2009141285 A1 WO 2009141285A1
Authority
WO
WIPO (PCT)
Prior art keywords
fastening
elements
recess
projection
passage opening
Prior art date
Application number
PCT/EP2009/055947
Other languages
English (en)
Inventor
Peter Schmidt
Uwe Fischer
Original Assignee
Eastman Kodak Company
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 Eastman Kodak Company filed Critical Eastman Kodak Company
Publication of WO2009141285A1 publication Critical patent/WO2009141285A1/fr

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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
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/0291—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread the threaded element being driven through the edge of a sheet plate with its axis in the plane of the plate

Definitions

  • the present invention relates to a holding arrangement comprising a first and a second element as well as a fastening element, and to a method for connecting first and second elements, said elements having matching abutment surfaces.
  • the object of the present invention is to provide a holding arrangement, as well as a method for connecting first and second elements, wherein two elements are positioned and held relative to each other in a simple and cost-effective manner.
  • a holding arrangement comprising a first and a second element as well as a fastening element.
  • Said first element has at least one passage opening and, located adjacent thereto, an abutment surface
  • said second element has an abutment surface matching the abutment surface of the first element and has at least one projection extending beyond the abutment surface, said projection being dimensioned so as to extend into the first passage opening of the first element when the abutment surfaces of the first and second elements are in contact with each other.
  • the fastening element is dimensioned so as to extend through the passage opening of the first element and at least partially into a recess of the second element in order to draw the projection of the second element into the passage opening of the first element and, in so doing, draw the abutment surfaces of said elements toward each other.
  • the respective elements that are to be connected possess inherent structures that ensure a proper positioning of the elements relative to each other.
  • a fastening element is provided, said fastening element promoting proper positioning by drawing the projection of the second element into the passage opening of the first element.
  • the fastening element is suitable to hold the two elements in this position.
  • such a holding arrangement is of advantage during a pre-assembly stage when the two thusly positioned and held elements are to be subsequently connected to each other in a permanent manner, for example, by being welded together.
  • a complex holding device for properly positioning the respective elements relative to each other is not necessary.
  • such a holding arrangement can be advantageous in prototype construction or when machines need to be frequently assembled and disassembled.
  • the projection of the second element has a projection depth that is smaller than the depth of the passage opening in order to thus ensure that the abutment surfaces of the first and second elements are securely drawn toward each other when the fastening element is being drawn appropriately.
  • the first element is a plate element.
  • the recess in the second element extends centred through the projection in order to be able to provide the most balanced possible draw on the second element relative to the projection.
  • the recess in the second element in accordance with one embodiment of the invention, is a structure that interacts with the fastening element, in particular a threaded structure.
  • an alternative embodiment of said element has an additional recess forming an undercut that communicates with the aforementioned recess into which a holding part interacting with the fastening element can be inserted. With this design, the second element need not have a special structure, beside the two recesses, that interacts with the fastening element.
  • the holding part has a fastening structure interacting with the fastening element and comprises means for positioning the fastening structure in the region of the additional recess in order to provide proper positioning of the fastening structure in a simple manner.
  • This holding part preferably has at least one fastening section as well as, at an angle relative thereto, a handling section permitting a simple manual positioning.
  • the undercut of the additional recess is set back relative to the abutment surface of the second element.
  • the first element has a plurality of passage openings and the second element has a plurality of projections, said projections being dimensioned so as to extend into the passage openings of the first element.
  • At least two of the projections have recesses for the accommodation of a respective fastening element in order to be able to provide at least two holding points in particular in larger elements.
  • each of the projections of the second element display a matching recess.
  • a few of the projections may be used only for positioning the elements relative to each other. In this case, they do not have structures extending beyond the normal engagement with the passage opening.
  • the fastening element is a screw or a rivet.
  • the holding arrangement in accordance with the invention is particularly suitable for first and second plate elements that are to be positioned and held upright, in particular perpendicular to each other.
  • a projection of the second element is arranged in a passage opening in the first element, and then a fastening element is guided through the passage opening of the first element in such a manner that said fastening element extends at least partially into a recess of the second element. Subsequently, the projection of the second element is drawn by means of the fastening element into the passage opening of the first element in order to draw their abutment surfaces toward each other and to hold the elements in this position.
  • the above method is suitable for a permanent connection of the elements to each other; however, on the other hand, said connection is also suitable to temporarily hold said elements, for example, for welding the elements together.
  • the first and second elements are also welded together while the abutment surfaces of the first and second elements are drawn toward each other by the fastening element.
  • the fastening element is then removed after welding the first and second elements.
  • the projection preferably has a projection depth that is smaller than the depth of the passage opening.
  • the recess in the second element has a structure that interacts with the fastening element, in particular a threaded structure.
  • the second element has an additional recess forming an undercut, said recess communicating with the aforementioned recess in the second element. Furthermore, a holding part interacting with the fastening element and the undercut of the recess is inserted into the additional recess in order to act as an abutment for the fastening element.
  • a fastening structure of the holding part inter- acting with the fastening element is automatically positioned in the additional recess when the holding part is inserted into the additional recess.
  • the above undercut is preferably set back with respect to the abutment surface of the second element.
  • the method comprises the arrangement of a plurality of projections of the second element in a corresponding plurality of passage openings in the first element, and comprises the use of at least two fastening elements in corresponding passage openings of the first element in order to position the first and second elements relative to each other and to draw them together.
  • the above method is particularly suitable for plate elements that are positioned perpendicular to each other.
  • FIG. 1 a perspective view of a holding arrangement in accordance with the present invention
  • Fig. 2 an enlarged partial view of region II in Fig. 1 ;
  • Fig. 3 an enlarged partial view of region III in Fig. 1 ;
  • Fig. 4 an enlarged partial view of region IV in Fig. 1 ;
  • Fig. 5 a schematic sectional view of two elements that are to be fastened to each other in the area of a fastening region;
  • Fig. 6 a view of the arrangement in accordance with Fig. 5, along line VI-
  • FIG. 7 a schematic enlarged plan view of a plate element in the region of a fastening projection
  • Fig. 8 a schematic enlarged plan view of a plate element in the region of a passage opening.
  • Fig. 1 shows a perspective view of an exemplary holding arrangement 1 in accordance with the invention.
  • the illustrated holding arrangement 1 comprises three plate elements 3, 5 and 7 that are to be connected to each other, and comprises a plurality of holding parts 9 as well as fastening elements 11.
  • the plate element 3 is a flat plate element having an essentially rectangular basic shape.
  • the plate element 3 may also have any other shape and need not necessarily be flat. Rather, it is also possible that the plate element 3 be bent.
  • the plate element 3 has a front side 13 as well as a rear side 15, as can be seen in Figs. 5 and 6.
  • the plate element 3 has a plurality of passage openings 18 that are at a distance from the circumference of the plate element.
  • the passage openings 18 have the form as illustrated in Fig. 8, for example.
  • the passage opening 18 shown in Fig. 8 has an elongated, square basic shape and a round shape in the center region, said passage opening being disposed to accommodate a shank part of a fastening element 11, for example, as will be explained in detail hereinafter.
  • the passage openings 18 are received inside the plate element 3 in a prespecified pattern in order to allow a proper positioning of fastening projections of additional elements, in particular additional plate elements, and thus a proper positioning of these relative to the plate element 3, as will be described in detail hereinafter.
  • the peripheral edge of the plate element 3 has a plurality of positioning projections 20 as well as a plurality of fastening projections 22 that can be received, for example, by various passage openings of an additional element, for example an additional plate element.
  • Fig. 7 shows an enlargement of the structure in the region of the fastening projections 22.
  • the projection 22 projects beyond the plate element 3 by a distance 'a', said edge acting as an abutment edge for an additional element.
  • the plate element 3 has a first recess 24 that is open toward the peripheral edge and is centered with respect to the projection 22.
  • the recess 24 extends beyond the depth of the projection 22 into the body of the plate element 3.
  • the plate element 3 has a second recess 26 extending transversely to the first recess 24, said recess 26 intersecting the recess 24 in such a manner that an undercut 28 is formed.
  • the undercut 28 is set back by a distance 'b' relative to the peripheral edge of the plate element 3.
  • first and the second recesses 24, 26 have been described as separate recesses, it is obvious to the person skilled in the art that said recesses may also be viewed as a combined recess having an undercut 28.
  • said recesses may be formed in the course of one combined work step such as, for example, a punching step.
  • the positioning projections 20 as well as the fastening projections 22 are provided at prespecified distances, preferably equidistantly, on peripheral edges of the plate element 3.
  • the upper edge of the plate element 3 does not have any positioning or fastening projections 20, 22 whatsoever, because this edge is not intended for fastening an additional element.
  • the plate element 5, again, is a flat plate element having a generally rectangular shape. A few of the corners of the rectangular shape are rounded, and one fastening edge of the plate element has recesses 29.
  • passage openings 30 At a distance from the peripheral edges of the plate element 5, a plurality of passage openings 30 is provided, said passage openings having, for example, the same shape as the passage openings 18 in the in the plate element. 3.
  • the passage openings 30 need not have the same shape, rather a few of the passage openings may have a strictly rectangular shape, whereas others may be rounded in the center region.
  • the plate element 5 has a plurality of positioning projections that cannot be recognized because they are set in corresponding passage openings of the plate element 3.
  • a plurality of fastening projections 32 are provided along said edge.
  • Such a fastening projection 32 is shown schematically by the enlarged illustration in accordance with Fig. 2 and in greater detail by the sectional view in accordance with Fig. 5.
  • the fastening projection 32 has the same shape as the fastening projection 22 in the plate element 3.
  • a corresponding recess structure having first and second recesses 24, 26 and an undercut 28 are provided in the region of the fastening projection 32.
  • the plate element 7, again, may be provided as a flat plate element that has a plurality of positioning and fastening projections along an edge facing the plate element 5, as is obvious from the schematic enlarged illustration in accordance with Fig. 4. These projections may have the same shape and structure as the positioning and fastening projections 20, 22 of the plate element 3.
  • the holding part 9 which can be best seen in Fig. 4, has a handling part 40 as well as a positioning and fastening part 42.
  • the handling part 40 and the positioning and fastening part 42 extend at an angle of 90° relative to each other and are connected to each other via a bent connecting section 43.
  • the handling part 40 has a size that allows for easy manual grasping by an assembling technician.
  • the fastening and positioning part 42 has a main part as well as a projection 44 projecting relative thereto, said projection being provided with a passage opening 46.
  • the projection 44 is dimensioned in such a manner that it fits into the recesses 26 and may interact with the corresponding undercut 28.
  • One edge of the main part which may be adjacent to the projection 44, may act here as a positioning edge in order to position the passage opening 46 in the projection 44 within the depth of the plate element in which the holding element 9 is located.
  • the projection 44 is dimensioned in such a manner that the passage opening 46 is properly positioned inside the recess 26.
  • the passage opening 46 has a fastening structure that may interact with the fastening element 11, said structure in particular being an internal thread.
  • the fastening element 11 may be a screw with a threaded shank 50 and a head 52.
  • the threaded shank 50 is dimensioned in such a manner that it may come into screwed engagement with the passage opening 46 of the holding part 9, as shown by Fig. 5.
  • the holding element 3 is first held in a suitable position, preferably an upright position. Then the appropriate projections 32 on the plate element 5 are inserted into the corresponding passage openings 18 in the plate element 3, said passage openings being provided for proper arrangement of the plate element 5. As a result of this, a proper positioning of the plate element 5 relative to the plate element 3 is achieved. Subsequently, the holding parts 9 are inserted into the corresponding recesses 26 in the plate element 5.
  • a corresponding fastening element 11 is inserted from the rear side of the plate element 3 through the passage opening 18 in the plate element 3 and into the recess 24 of the plate element 5 in order to interact there with the holding part 9 in the recess 26.
  • the passage opening in the holding part 46 has an internal thread and if the fastening element 11 is a screw, said screw is screwed into the passage opening 46, thus causing the holding part 9 to come into contact with the undercut 28 of the recess 26 in the plate element 5 and tightly drawing the plate element 5 against the plate element 3.
  • the undercut 28 is set back relative to the abutment edge of the plate element 5, it is ensured that the plate element 5 is tightly drawn against the plate element 3.
  • This is also promoted in that the depth of the fastening projection 32 on the plate element 5 is smaller than the depth of the passage opening 18, i.e., the thickness of the plate element 3.
  • the elements may be permanently held in this manner; however, it is also possible for the elements to be welded to each other in such a fastened position, and for the holding parts 9 and the fastening elements 11 to be removed again after said elements have been welded together. In this case, the holding parts 9 and the fastening elements 11 are only used for a pre-assembly and may subsequently be removed and reused again.
  • the holding parts 9 and the fastening elements 11 are to remain in their fastening positions, it is possible to use, for example, rivets instead of screws as fastening elements 11. As a result of this, it is possible, among other things, to simplify the assembly of the holding parts 9, because it is not necessary to provide a thread in the passage opening 46. Moreover, if the holding parts 9 are to remain permanently in position, it is possible to omit the handling part 40 because the elements need to be brought into their positions only once and will remain there. This does not necessarily require the handling part 40. In addition, the handling part 40 may prove an interference in case of a permanent arrangement in the device.
  • the elements When the elements are welded together, they may be welded together in the region of the abutment edges in the usual manner. However, it is also possible to weld together the elements, in particular in the region of engagement of the positioning projections 20 of one element, in the passage openings of the other element. Referring to Fig. 4, for example, it is possible that the welding of the element 5 with the element 7 is accomplished from the top in the region of engagement of the positioning projections of the plate 7 with the engagement openings 30 of the plate element 5, while the plate elements are held in position by means of the corresponding fastening projections 22, 32 and the holding part 9, and the fastening element 11. After removing the holding parts 9 and the fastening elements 11, the region of the corresponding fastening projections 22, 32 may be additionally welded.
  • the present invention is not restricted to plate elements that are arranged perpendicularly upright relative to each other, even though they are particularly suited for this.
  • the recesses it is possible for the recesses to have a threaded structure, or that there is, for example, an undercut inside a corresponding plate element, said undercut acting as a point of engagement for a rivet.

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

Abstract

La présente invention concerne un dispositif de maintien comportant un premier (3) et un deuxième élément (5), ainsi qu’un élément (11) de fixation, ledit premier élément présentant au moins une ouverture de passage et, située au voisinage de celle-ci, une surface d’appui, ledit deuxième élément présentant une surface d’appui correspondant à la surface d’appui du premier élément et présentant au moins une protubérance (20) s’étendant au-delà de la surface d’appui, ladite protubérance étant dimensionnée de façon à s’étendre jusque dans l’ouverture de passage du premier élément lorsque les surfaces d’appui du premier et du deuxième élément sont en contact l’une avec l’autre, et ledit élément de fixation étant dimensionné de façon à s’étendre à travers l’ouverture de passage du premier élément et au moins partiellement dans un évidement du deuxième élément afin d’attirer la protubérance du deuxième élément dans l’ouverture de passage du premier élément et, ce faisant, d’attirer l’une vers l’autre les surfaces d’appui desdits éléments.
PCT/EP2009/055947 2008-05-19 2009-05-15 Dispositif de maintien et procédé pour relier un premier et un deuxième élément WO2009141285A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008024212.8 2008-05-19
DE200810024212 DE102008024212A1 (de) 2008-05-19 2008-05-19 Halteanordnung und Verfahren zum Verbinden von ersten und zweiten Elementen

Publications (1)

Publication Number Publication Date
WO2009141285A1 true WO2009141285A1 (fr) 2009-11-26

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Application Number Title Priority Date Filing Date
PCT/EP2009/055947 WO2009141285A1 (fr) 2008-05-19 2009-05-15 Dispositif de maintien et procédé pour relier un premier et un deuxième élément

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DE (1) DE102008024212A1 (fr)
WO (1) WO2009141285A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996041959A1 (fr) * 1995-06-12 1996-12-27 De La Rue Inter Innovation Ab Organe de liaison de toles
WO2001031208A1 (fr) * 1999-10-27 2001-05-03 A. Raymond & Cie Element de fixation permettant la connexion amovible de plaques de tole disposees de façon orthogonale les unes par rapport aux autres
FR2895467A1 (fr) * 2005-12-23 2007-06-29 Sidel Sas Agencement pour l'assemblage de deux pieces par vissage par l'intermediaire d'un ensemble vis-ecrou

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3539505A1 (de) * 1985-11-07 1987-05-14 Mannesmann Ag Verbindung fuer duennwandige, ebene, als wand-, decken- oder bodenteile dienende flaechenbauteile

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996041959A1 (fr) * 1995-06-12 1996-12-27 De La Rue Inter Innovation Ab Organe de liaison de toles
WO2001031208A1 (fr) * 1999-10-27 2001-05-03 A. Raymond & Cie Element de fixation permettant la connexion amovible de plaques de tole disposees de façon orthogonale les unes par rapport aux autres
FR2895467A1 (fr) * 2005-12-23 2007-06-29 Sidel Sas Agencement pour l'assemblage de deux pieces par vissage par l'intermediaire d'un ensemble vis-ecrou

Also Published As

Publication number Publication date
DE102008024212A1 (de) 2009-11-26

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