WO2019025048A1 - Broche de connexion pour au moins deux composants - Google Patents

Broche de connexion pour au moins deux composants Download PDF

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Publication number
WO2019025048A1
WO2019025048A1 PCT/EP2018/063011 EP2018063011W WO2019025048A1 WO 2019025048 A1 WO2019025048 A1 WO 2019025048A1 EP 2018063011 W EP2018063011 W EP 2018063011W WO 2019025048 A1 WO2019025048 A1 WO 2019025048A1
Authority
WO
WIPO (PCT)
Prior art keywords
zone
end zone
reduced thickness
pin
connection pin
Prior art date
Application number
PCT/EP2018/063011
Other languages
English (en)
Inventor
Moreno Furlan
Original Assignee
Media Profili S.R.L.
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 Media Profili S.R.L. filed Critical Media Profili S.R.L.
Priority to EP18725516.1A priority Critical patent/EP3661393A1/fr
Publication of WO2019025048A1 publication Critical patent/WO2019025048A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B57/00—Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions
    • A47B57/06—Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions with means for adjusting the height of the shelves
    • A47B57/20—Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions with means for adjusting the height of the shelves consisting of tongues, pins or similar projecting means coacting with openings
    • 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
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
    • F16B12/12—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics
    • F16B12/24—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using separate pins, dowels, or the like

Definitions

  • connection pin configured to connect to each other at least two components, defining for example parts of furnishing elements, such as pieces of furniture.
  • connection devices are known, provided to connect two or more components to each other, such as, by way of example, two panels of a furnishing element, such as a wardrobe, table, coffee table or furniture in general.
  • connection devices consisting of an elongated cylindrical pin, usually made of wood or plastic, and provided on its periphery with a plurality of axial knurls, that is, that extend parallel to the axis of the pin.
  • holes are made, usually blind holes with a shape and size mating with those of the cylindrical pin that they have to accommodate.
  • the cylindrical pin is inserted, with mechanical interference, into the hole made in one of the panels, keeping it with one of its parts protruding toward the outside of the hole.
  • the other panel is coupled with the one in which the pin is present, inserting the latter into the hole made in the panel.
  • glues can also be provided to guarantee the seal between the panels and the cylindrical pin.
  • connection devices which provide to use pins having suitably shaped ends and installable in a hole of a component, and connection bushings installable on a second component.
  • the connection bushing is suitably shaped so that its rotation around an axis determines the coupling, for example bayonet-type coupling, with the shaped end of the pin.
  • connection pin which is extremely simple and economical to make.
  • Another purpose of the invention is to obtain a connection pin that makes the operations to assemble the components extremely simple and quick.
  • the Applicant has devised, tested and embodied the present invention to overcome the shortcomings of the state of the art and to obtain these and other purposes and advantages.
  • a connection pin for components according to the present invention has a first end zone, a second end zone, opposite the first end zone, and a central zone located between the first end zone and the second end zone. Moreover, between the central zone and at least one of either the first end zone or the second end zone, a zone with reduced thickness is made, that is, with a reduced thickness with respect to the thickness located upstream and downstream.
  • connection pin thus configured can be inserted in a hole made in a first of said components, leaving its zone with reduced thickness and the end zone, adjacent to the zone with reduced thickness, protruding externally to the hole.
  • the zone with reduced thickness and the end zone, protruding from the hole, are coupled during use by mechanical interference in a corresponding shaped seating made in a second of said components. In this way it is possible to determine, simply and quickly, the reciprocal connection of the components.
  • connection pin is a single body, making the operations to produce and connect the components extremely simple.
  • the present invention also concerns a furnishing element comprising at least two components and a connection pin, as described above, provided to connect the components to each other.
  • connection pin 1 is a lateral view of a connection pin according to the present invention
  • - fig. 2a is a plan view of fig. 1 ;
  • - fig. 2b is a plan view of fig. 1 , according to a variant embodiment
  • - fig. 3 is a view that shows a possible application mode of the connection pin according to the present invention.
  • - fig. 4 is a section view along the section line IV-IV of fig. 3.
  • connection pin according to the present invention is identified in the drawings by the reference number 10 and can be used for connecting at least two components 11 and 12 (fig. 3) of a furnishing element 13.
  • connection pin 10 has an elongated shape and extends along a longitudinal axis Z.
  • connection pin 10 has a substantially axial-symmetric shape with respect to its longitudinal axis Z.
  • connection pin 10 can have a cross-section shape, at least in some of its zones, that is polygonal, rectangular, square, hexagonal or octagonal.
  • connection pin 10 can have a symmetrical conformation with respect to a median plane, orthogonal to the longitudinal axis Z and passing through the center line of the length of the connection pin 10. This makes the handling of the connection pin 10 extremely versatile, also by automatic assembling machines provided to install the connection pin 10 in the components 1 1 and 12.
  • connection pin 10 is made of a polymer material selected, for example, from a group comprising polyethylene, polycarbonate, polyamide, ABS or similar polymer materials.
  • connection pin 10 is obtained by molding the polymer material.
  • connection pin 10 can be made of wood or wood substitutes.
  • connection pin 10 has at least one first end zone 15, a second end zone 16 and a central zone 17 which is located between the first end zone 15 and the second end zone 16.
  • the zone with reduced thickness 18 defines the separation between the central zone 17 and at least one of either the first end zone 15 or the second end zone 16.
  • the zone with a reduced thickness 18 has a thickness lower than the thickness of the central zone 17 and the first end zone 15 and / or the second end zone 16.
  • connection pin 10 has a first zone with reduced thickness 18 comprised between the first end zone 15 and the central area 17, and a second zone with reduced thickness 18 comprised between the second end zone 16 and the central zone 17.
  • connection pin 10 can be coupled to the components 1 1, 12 by inserting indifferently into a hole of the latter, or the first end zone 15 or the second end zone 16.
  • connection pin 10 in the first end zone 15, in the second end zone 16 and in the central zone 17, has a cross-section shape that is substantially circular (fig. 2a).
  • connection pin 10 has a polygonal cross-section shape, in this specific case rectangular (fig. 2b).
  • the size of the cross section of the first end zone 15, the second end zone 16, and the central zone 17 can be equal to each other.
  • the zone with reduced thickness 18 is defined by at least a first portion 19 having a cross-section size smaller than that of the central zone 17 and constant along the longitudinal axis Z.
  • the first portion 19 can have a substantially cylindrical shape.
  • the first portion 19 can have a parallelepiped shape with a square or rectangular base.
  • the first portion 19 can have a cross-section size that is comprised between 0.5 and 0.85 times the cross-section size of the central zone 17.
  • a shoulder 20 can be made, defining a surface orthogonal to said longitudinal axis Z.
  • the zone with reduced thickness 18 can also comprise a second portion 21, located between the first portion 19 and the respective end zone 15, 16 and having a cross-section size that widens from the first portion 19 to the respective end zone 15, or 16.
  • the second portion 21 can have a substantially truncated cone shape.
  • the second portion 21 can be defined by an inclined wall 22 having an angle of inclination a, with respect to the longitudinal axis Z, comprised between 25° and 70°, preferably between 30° and 60°, even more preferably about 45°.
  • At least the first end zone 15 and the second end zone 16, in this case also the central zone 17, are provided on their outer surface with a plurality of grooves 23.
  • the grooves 23 define surface irregularities suitable to increase the grip that the connection pin 10 exerts in the connection zones between the first component 11 and the second component 12.
  • the grooves 23 can have a development substantially parallel to said longitudinal axis Z, to define passage zones for glues, as better described hereafter in the description.
  • the grooves 23 can have a depth comprised between 0.5mm and 2.5mm.
  • the grooves 23 can be made angularly and uniformly distanced from each other by a predefined angular pitch.
  • the grooves 23 are made through towards, that is, also communicating with, the zone with reduced thickness 18.
  • Some embodiments of the present invention also concern a furnishing element 13 which comprises the above components, that is, a first component 1 1 and at least one second component 12, and at least one connection pin 10 as described above and provided to connect the first component 11 and the at least one second component 12 to each other.
  • the first component 1 1 and the at least one second component 12 can be in the form of panels, able to be reciprocally coupled, for example head-wise, with each other.
  • the first component 1 1 is provided with a hole 24 in which the connection pin 10 is inserted with its central zone 17, leaving the at least one zone with reduced thickness 18 and the respective end zone, in this specific case the second end zone 16, protruding from the hole 24.
  • the hole 24 can be blind and made in the thickness of the first component 11.
  • the hole 24 is made open toward an edge 25 of the first component 11 and the connection pin 10 is positioned so that its shoulder 20, defined by the central zone 17, lies on the same plane as the edge 25 of the first component 11.
  • connection pin 10 Before inserting the connection pin 10 into the hole 24, it can be provided that the glue can be inserted in the latter to allow the connection pin 10 to be subsequently made solid in the hole 24.
  • the particular combination of the grooves 23, provided in the first end zone 15, with the presence of the zone with reduced thickness 18, allows the excess glue present in the hole 24 to leak from the bottom of the hole 24, through the grooves 23, towards the zone with reduced thickness 18.
  • the zone with reduced thickness 18 therefore functions as a further chamber for receiving excess glue present in the hole 24.
  • the second component 12 is provided with a connection seating 26 configured to allow the insertion and coupling by interference of the zone with reduced thickness 18 and the second end zone 16.
  • the second component 12 is provided with a first surface 27 located during use resting on the edge 25 of the first component 1 1 , and a second surface 28, transverse and in this specific case orthogonal to the first surface 27.
  • connection seating 26 has a first slit 29 made open toward the first surface 27 and a second slit 30 open toward the second surface 28.
  • the first slit 29 has sizes suitable to allow the passage and positioning through it of the first portion 19 of the zone with reduced thickness 18.
  • the first slit 29 has a width substantially equal to the width of the first portion 19 of the zone with reduced thickness 18 of the connection pin 10, and less than the width, or the diameter of the second end zone 16 of the connection pin 10.
  • the second slit 30 is defined instead by a first part 31 in which the first portion 19 of the zone with reduced thickness 18 is positioned during use, by a second portion 32 that extends divergent toward the inside of the connection seating 26 and on which the second portion 21 of the zone with reduced thickness 18 is positioned, and a third part 33, more internal with respect to the second portion 32, and in which the second end zone 16 of the connection pin 10 is positioned.
  • the second part 32 and the third part 33 of the connection seating 26 have cross section sizes which are bigger than those of the first part 31.
  • the second part 32 and the third part 33 substantially define an undercut with respect to the first part 31 in which the connection pin 10 can be constrained, determining the reciprocal connection of the components 1 1 and 12.
  • connection pin 10 is inserted by interference in the connection seating 26 and that the inclined wall 22 of the second portion 21 of the connection pin 10 is positioned in contact against the second part 32 of the connection seating 26.
  • connection pin 10 The particular inclination of the inclined wall 22, combined with the correlated inclination of the second part 32 of the connection seating 26, generate an interference between the connection pin 10 and the connection seating 26.
  • This interference moreover, generate a traction between the two components 11 and 12, that allows to solidly hold to each other the latters.
  • Embodiments of the present invention also concern a method for connecting at least two components 1 1, 12 by means of the connection pin 10 described above.
  • the connection pin 10 is inserted into the hole 24 made in a first of said components 1 1, disposing the first end zone 15 and the central zone 17 in the hole 24 and leaving protruding from the hole 24 the zone with reduced thickness 18 of the connection pin 10, provided between the central zone 17 and the second end zone 16.
  • the second end zone 16 and the zone with reduced thickness 18 are inserted and coupled by interference in a connection seating 26 provided in a second of said components 12.
  • connection seating 26 takes place in a direction orthogonal to the longitudinal axis Z of the connection pin 10.
  • connection pin 10 as described heretofore, without departing from the field and scope of the present invention.
  • connection pin 10 has been described with reference to some specific examples, a person of skill in the art shall certainly be able to achieve many other equivalent forms of connection pin 10, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.

Landscapes

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

Abstract

La présente invention porte sur une broche de connexion pour des composants (11, 12) ayant une forme allongée, et ayant une première zone d'extrémité (15), une seconde zone d'extrémité (16), opposée à la première zone d'extrémité (15), et une zone centrale (17) située entre la première zone d'extrémité (15) et la seconde zone d'extrémité (16). Entre la zone centrale (17) et au moins l'une ou l'autre de la première zone d'extrémité (15) ou de la seconde zone d'extrémité (16), une zone à épaisseur réduite (18) est réalisée.
PCT/EP2018/063011 2017-08-01 2018-05-17 Broche de connexion pour au moins deux composants WO2019025048A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18725516.1A EP3661393A1 (fr) 2017-08-01 2018-05-17 Broche de connexion pour au moins deux composants

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20170097678 2017-08-01
KR10-2017-0097678 2017-08-01

Publications (1)

Publication Number Publication Date
WO2019025048A1 true WO2019025048A1 (fr) 2019-02-07

Family

ID=62196600

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/063011 WO2019025048A1 (fr) 2017-08-01 2018-05-17 Broche de connexion pour au moins deux composants

Country Status (2)

Country Link
EP (1) EP3661393A1 (fr)
WO (1) WO2019025048A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1505307A (en) * 1975-10-09 1978-03-30 Merrick Design & Dev Ltd Manufacture of furniture
NL7903705A (nl) * 1979-05-10 1980-11-12 Mathias Bernardus De Nijs Een verbindingskonstruktie.
WO2017050581A1 (fr) * 2015-09-24 2017-03-30 Hartwig Kamelger Connecteur de meuble et meuble fabriqué au moyen de ce connecteur

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1505307A (en) * 1975-10-09 1978-03-30 Merrick Design & Dev Ltd Manufacture of furniture
NL7903705A (nl) * 1979-05-10 1980-11-12 Mathias Bernardus De Nijs Een verbindingskonstruktie.
WO2017050581A1 (fr) * 2015-09-24 2017-03-30 Hartwig Kamelger Connecteur de meuble et meuble fabriqué au moyen de ce connecteur

Also Published As

Publication number Publication date
EP3661393A1 (fr) 2020-06-10

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