EP3150533B1 - Ring coil body - Google Patents

Ring coil body Download PDF

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Publication number
EP3150533B1
EP3150533B1 EP16001827.1A EP16001827A EP3150533B1 EP 3150533 B1 EP3150533 B1 EP 3150533B1 EP 16001827 A EP16001827 A EP 16001827A EP 3150533 B1 EP3150533 B1 EP 3150533B1
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EP
European Patent Office
Prior art keywords
bobbin
annular
locking
axially
connecting element
Prior art date
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EP16001827.1A
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German (de)
French (fr)
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EP3150533A1 (en
Inventor
Helmut Wollnitzke
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/22—Constructional details collapsible; with removable parts
    • B65H75/2245—Constructional details collapsible; with removable parts connecting flange to hub
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/04—Kinds or types
    • B65H75/08—Kinds or types of circular or polygonal cross-section
    • B65H75/14—Kinds or types of circular or polygonal cross-section with two end flanges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/22—Constructional details collapsible; with removable parts
    • B65H75/2254—Constructional details collapsible; with removable parts with particular joining means for releasably connecting parts
    • B65H75/2281—Snap-fit connections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/24—Constructional details adjustable in configuration, e.g. expansible
    • B65H75/241—Constructional details adjustable in configuration, e.g. expansible axially adjustable reels or bobbins

Definitions

  • the invention relates to a ring bobbin with a pair of bobbin halves, which are formed the same, each bobbin half having an annular base part and a base centrein Serialig material centrally, axially wegêts sleeve member.
  • Such a ring bobbin is intended for wire, in particular for welding wire.
  • the DE 10 2011 121 986 B3 discloses a wire coil, in particular for welding wire, with a basket coil carrier for a basket having two basket rings and the two basket rings interconnecting ironing elements.
  • the basket coil carrier consists of two identical carrier halves, each having a base part and a central sleeve part and a central sleeve part concentric outer sleeve part.
  • the central sleeve part and the outer sleeve part are axially away from the base part in the same direction.
  • the central sleeve part and the outer sleeve part are radially spaced relatively far.
  • the central sleeve part and the outer sleeve part are along two concentric pitch circles from the base centrein Huaweiig in the circumferential direction alternately first and second locking elements axially in the same direction as the central sleeve part and the outer sleeve part away.
  • the equally spaced along the one circle from each other first locking elements and along the second pitch circle equally spaced second locking elements are each formed with mutually facing locking lugs.
  • the basket coil carrier has defined axial dimensions, so that correspondingly shaped tools are required for basket coil carriers with different axial dimensions.
  • a ring bobbin for wire in particular for welding wire, known which has a basket for the wire.
  • the basket has a central hub shell body and coil side parts, which are fixed or fixed to the axially remote from each other end edges of the central hub shell body by snap-locking connections.
  • the central hub shell body is formed at its axially opposite end edges with circumferentially uniformly spaced locking holes and the respective coil side part is formed with snap-in locking holes in the locking holes.
  • each flange element is formed with a pair of opposing locking tabs and the respective locking pin is formed with a locking head forming for the locking tabs undercuts.
  • the respective locking pin is axially away from a portion of the coil side part, which is formed with a pair of mold slide-recesses for the associated undercuts of the respective locking head. The mentioned slide require a corresponding tool.
  • a ring bobbin of the type mentioned is from the DE 10 2014 109 295 B3 known.
  • the respective central sleeve part is formed with a radially inner and a radially outer joining edge, which rotate around the sleeve part wavy, the shaft of the inner joining edge relative to the shaft of the outer joining edge is phase-shifted such that in the circumferential direction a sequence inwards and outwardly stepped wall portions are formed, which overlap.
  • the overlapping wall sections are latched together by snap connections, each comprising a projection provided on one of the two overlapping wall sections. In each other wall portion, a recess receiving the associated projection is formed.
  • the snap connections are integral parts of the central sleeve parts.
  • a ring bobbin with a rotationally symmetrical coil core which is formed at its two ends with a radially projecting flange and which is divided in a radial plane.
  • the core parts taper frustoconically from the flange to the dividing plane and are releasably connected to each other.
  • the dividing plane facing end faces of the core parts and provided in or on the end faces connecting means match.
  • the connecting means are preferably designed as latching arm and latching recesses, which form a rotatable bayonet between the interconnected core parts.
  • the locking arm are provided centrein Glance at the end faces of the core parts.
  • a ring bobbin is known, with a hub and arranged respectively at the axial ends of the hub side walls with a first hub wall and one to the first hub wall radially spaced second hub wall.
  • This ring bobbin is formed from two coil halves, which are designed identically.
  • the DE 38 10 967 A1 describes a ring bobbin with two flanges, which are connected by a cylindrical core separable.
  • the core is divided transversely to its longitudinal axis, wherein the one part is associated with a flange and the other part of the other flange rotationally fixed.
  • the free end faces of the two parts lie against each other and extend at the same distance from the longitudinal axis with a slope in the direction of the longitudinal axis such that they each have at least one discontinuity, wherein the one end face has a corresponding but opposite slope of the other end face, and wherein the Flanges are kept centered to the longitudinal axis.
  • a ring bobbin known, which has a pair of bobbin halves, which are the same.
  • Each bobbin half has an annular base part and a material piece from the base centrein Serialig centrally, axially wegêts sleeve member.
  • the bobbin halves provide connecting elements, it is not apparent from this document.
  • 5,575,437 discloses a ring bobbin with disc-shaped base parts and a central hub formed by a hub part.
  • the base parts are formed with recesses and the hub parts are termed consultancyig formed with resilient latching fingers which can be latched into the recesses.
  • the outer surfaces of the two hub parts form the cylinder hub surface of the ring bobbin.
  • a this last-mentioned ring bobbin in principle similar training a ring bobbin is from the DE 697 22 232 T2 known.
  • the hub is not formed by two hub parts but by a one-piece hub shell.
  • the US Pat. No. 3,743,209 A discloses a ring bobbin with a pair of equally formed bobbin halves, each bobbin half having an annular base portion and a centrally axially away from the base member sleeve member.
  • the central sleeve part is provided with a connecting part, which has a central sleeve body, from the finger elements in the circumferential direction evenly distributed radially projecting.
  • the finger elements are axially over the sleeve part, so that it is possible by means of the finger elements to connect the two bobbin halves together to form the ring bobbin.
  • the FR 2 817 853 A3 describes a ring bobbin with a pair of bobbin halves, which are formed identically, each bobbin half having an annular base portion and a central, axially projecting sleeve portion.
  • Each sleeve part has latching fingers which extend in the axial direction and which are of unequal length.
  • the respective central sleeve part is also formed with latching recesses for the latching fingers.
  • a ring bobbin known, which has a pair of bobbin halves, which are the same.
  • Each bobbin half has an annular base part and a material piece from the base centrein Serialig centrally, axially wegêts sleeve member.
  • the respective sleeve part has an over the sleeve part axially projecting latching fingers and diametrically opposite to a shape adapted to the latching finger locking recess.
  • the respective latching finger is formed with a threaded hole.
  • the GB 2 190 358 A discloses a coil with flange members and a central mandrel member interconnecting the flange members.
  • Each flange element has an annular base part and a material part from the base centrein Serialig central, axially wegêts sleeve part.
  • the respective sleeve part is formed with a central threaded hole.
  • the central mandrel element is formed with resilient toothed tabs which are locked in the assembled state to the coil with the central threaded holes of the two flange elements.
  • the invention has for its object to provide a ring bobbin of the type mentioned, which is simple in design, and which is flexible in terms of its axial dimension and thus desired feasible low-cost.
  • connecting elements are provided which are evenly distributed with the central sleeve parts of the two bobbin halves in the circumferential direction of the central sleeve part, latched or latched to form the ring bobbin, wherein the central sleeve part the respective bobbin half has an inner collar and an outer collar, which are provided concentrically to each other and form an annular gap between them for the connecting elements, which is formed with radially oriented ribs, and that the respective bobbin half is formed with latching recesses which are equally spaced in the circumferential direction of the bobbin half are, wherein the connecting elements each have a pair of axially facing away latching fingers with locking lugs, which are provided for latching in the respectively associated latching recesses.
  • the axial dimension of the ring bobbin according to the invention is determined in a simple manner by appropriate dimensioning of the connecting elements.
  • the latching recesses serve for the mechanical latching of the connecting elements between the two coil former halves of the same design.
  • the annular base part of the respective bobbin half is formed with elevations and depressions which are radially oriented and which alternate in the circumferential direction.
  • the annular base part of the respective bobbin half is formed on its outer side with radially oriented stiffening ribs.
  • the respective connecting element may have a pair of axially opposite latching fingers whose axial dimensions are adapted to the axial dimensions of the two bobbin halves such that the central sleeve parts of the two bobbin halves in the assembled state form the cylinder hub surface of the ring bobbin.
  • the two latching fingers of the respective bobbin half can protrude from an axially central, arcuate rib element, whereby laterally next to the respective latching finger away from the arcuate rib element facing away from each other, axially oriented insertion fingers protrude.
  • the respective connecting element it is also possible for the respective connecting element to have a part-cylindrical distance section, from the outer edges facing away from each other axially Detent finger axially protrudes.
  • the part-cylindrical spacer portions of the connecting elements in this case determine the axial dimension of the ring bobbin.
  • the part-cylindrical spacer section of the respective connecting element has stiffening ribs radially on the inside, which preferably form a honeycomb structure.
  • the partially cylindrical spacer portion of the respective connecting element has at least one axially oriented insertion finger laterally next to the respective latching finger.
  • FIG. 1 shows an embodiment of a bobbin half 10, which has an annular base portion 12 and a material integrally from the base 12 centrein Glaig centrally projecting sleeve member 14.
  • the central sleeve part 14 has an inner collar 16 and an outer collar 18, which are provided concentrically with each other and define a narrow annular gap 20 between them.
  • radially oriented ribs 22 are provided, which extend centrein Glaig between the inner collar 16 and the outer collar 18.
  • the bobbin half 10 is formed with locking recesses 24 which are equally spaced from each other.
  • the annular base part 12 of the bobbin half 10 is formed with projections 26 and depressions 28 which extend in the radial direction of the annular base part 12 and which alternate in the circumferential direction of the base part 12.
  • the inner collar 16 of the ring bobbin half 10 is formed with inner ribs 30, which are formed centrally between the locking recesses 24.
  • FIG. 2 shows the combination of the bobbin half 10 according to FIG. 1 with connecting elements 32 (see FIG. 4 ).
  • the connecting elements 32 have a pair of axially opposite locking fingers 34 with locking lugs 44, which are provided for locking into the respectively associated latching recesses 24.
  • FIG. 3 shows an outer view of a bobbin half 10 according to the FIGS. 1 and 2 to illustrate formed on the outside of the annular base member 12 stiffening ribs 36 which are radially oriented.
  • the reference numeral 24 are also in FIG. 3 denotes the locking recesses, which are formed at the transition edge 38 between the annular base part 12 and the inner collar 16 of the central sleeve part 14.
  • FIG. 4 3 shows a perspective view of a connecting element 32 with its two axially opposite latching fingers 34, the axial dimensions of which are adapted to the axial dimensions of the two coil former halves 10 in such a way that the inner collars 16 of the central sleeve parts 14 of the two coil former halves 10 in the assembled state, as he in FIG. 5 is shown, the slit and gapless cylinder hub surface 40 of the ring bobbin 42 form.
  • the reference numeral 44 are in the FIGS. 4 and 5 Locking lugs of the detent finder 34 of the connecting elements 32 referred to, which are engaged in the locking recesses 24.
  • the two locking fingers 34 are facing away from a central, arcuate narrow rib member 46 away from each other. Laterally next to the respective latching finger 34 are facing away from the arcuate rib member 46 facing away from each other axially oriented insertion finger 48 away.
  • the cross-sectional profile dimensions of the insertion fingers 48 are adapted to the clear dimensions of the spaces 50 determined by the ribs 22 and the inner and outer collars 16 and 18 of the central sleeve portion 14.
  • FIG. 6 Sectionally illustrates in a perspective view a bobbin half 10 according to FIG. 1 with its annular base part 12 and the central sleeve part 14 and a formation of a connecting element 32, which instead of an arcuate narrow rib element, as in FIG. 4 is drawn, a part-cylindrical spacer portion 52, from the axially facing away from each other peripheral edges 54 centrally each a detent finger 34 protrudes, as from FIG. 7 is clearly visible.
  • the part-cylindrical spacer portion 52 of said connecting element 32 is formed with a part-cylindrical outer surface 56.
  • the part-cylindrical spacer portion 52 of the respective connecting element 32 has on the inside stiffening ribs 58, which form a honeycomb structure.

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Description

Die Erfindung betrifft einen Ringspulenkörper mit einem Paar Spulenkörperhälften, die gleich ausgebildet sind, wobei jede Spulenkörperhälfte ein ringförmiges Basisteil und ein von Basisteil materialeinstückig zentral, axial wegstehendes Hülsenteil aufweist.The invention relates to a ring bobbin with a pair of bobbin halves, which are formed the same, each bobbin half having an annular base part and a base materialeinstückig material centrally, axially wegstehendes sleeve member.

Ein derartiger Ringspulenkörper ist für Draht, insbesondere für Schweißdraht vorgesehen.Such a ring bobbin is intended for wire, in particular for welding wire.

Die DE 10 2011 121 986 B3 offenbart eine Korbspule für Draht, insbesondere für Schweißdraht, mit einem Korbspulenträger für einen Korb, der zwei Korbringe und die beiden Korbringe miteinander verbindende Bügelelemente aufweist. Der Korbspulenträger besteht aus zwei gleich ausgebildeten Trägerhälften, die jeweils ein Basisteil und ein zentrales Hülsenteil sowie ein zum zentralen Hülsenteil konzentrisches Außenhülsenteil aufweisen. Das zentrale Hülsenteil und das Außenhülsenteil stehen vom Basisteil axial in die gleiche Richtung weg. Bei diesem bekannten Korbspulenträger sind das zentrale Hülsenteil und das Außenhülsenteil voneinander radial relativ weit beabstandet. Zwischen dem zentralen Hülsenteil und dem Außenhülsenteil stehen entlang zweier konzentrischer Teilkreise vom Basisteil materialeinstückig in Umfangsrichtung abwechselnd erste und zweite Rastelemente axial in die gleiche Richtung wie das zentrale Hülsenteil und das Außenhülsenteil weg. Die entlang des einen Teilkreises voneinander gleichmäßig beabstandeten ersten Rastelemente und die entlang des zweiten Teilkreises voneinander gleichmäßig beabstandeten zweiten Rastelemente sind jeweils mit einander zugewandten Rastnasen ausgebildet. Entsprechend den jeweiligen axialen Abmessungen der ersten und zweiten Rastelemente weist der Korbspulenträger definierte axiale Abmessungen auf, so dass für Korbspulenträger mit unterschiedlichen axialen Abmessungen entsprechende Formwerkzeuge erforderlich sind.The DE 10 2011 121 986 B3 discloses a wire coil, in particular for welding wire, with a basket coil carrier for a basket having two basket rings and the two basket rings interconnecting ironing elements. The basket coil carrier consists of two identical carrier halves, each having a base part and a central sleeve part and a central sleeve part concentric outer sleeve part. The central sleeve part and the outer sleeve part are axially away from the base part in the same direction. In this known basket coil carrier, the central sleeve part and the outer sleeve part are radially spaced relatively far. Between the central sleeve part and the outer sleeve part are along two concentric pitch circles from the base materialeinstückig in the circumferential direction alternately first and second locking elements axially in the same direction as the central sleeve part and the outer sleeve part away. The equally spaced along the one circle from each other first locking elements and along the second pitch circle equally spaced second locking elements are each formed with mutually facing locking lugs. Corresponding to the respective axial dimensions of the first and second latching elements, the basket coil carrier has defined axial dimensions, so that correspondingly shaped tools are required for basket coil carriers with different axial dimensions.

Aus der DE 10 2007 014 508 B4 ist ein Ringspulenkörper für Draht, insbesondere für Schweißdraht, bekannt, der einen Korb für den Draht aufweist. Der Korb weist einen zentralen Nabenhülsenkörper und Spulenseitenteile auf, die an den axial voneinander abgewandten Stirnrändern des zentralen Nabenhülsenkörpers durch Schnapp-RastVerbindungen festlegbar oder festgelegt sind. Der zentrale Nabenhülsenkörper ist an seinen axial voneinander abgewandten Stirnrändern mit in Umfangsrichtung gleichmäßig beabstandeten Rastlöchern und das jeweilige Spulenseitenteil ist mit in die Rastlöcher einrastbaren Rastzapfen ausgebildet. Die axial voneinander abgewandten Stirnränder des zentralen Nabenhülsenkörpers sind mit Flanschelementen ausgebildet, die mit den Rastlöchern für die Rastzapfen versehen sind, wobei die Flanschelemente sich in radialer Richtung des zentralen Nabenhülsenkörpers nach innen und die Rastzapfen des jeweiligen Spulenseitenteils sich in axialer Richtung erstrecken. Jedes Flanschelement ist mit einem Paar sich gegenüberliegenden Rastlaschen und der jeweilige Rastzapfen ist mit einem für die Rastlaschen Hinterschneidungen bildenden Rastkopf ausgebildet. Der jeweilige Rastzapfen steht von einem Abschnitt des Spulenseitenteils axial weg, der mit einem Paar Formwerkzeug-Schieber-Aussparungen für die zugehörigen Hinterschneidungen des jeweiligen Rastkopfes ausgebildet ist. Die erwähnten Schieber bedingen ein entsprechendes Werkzeug.From the DE 10 2007 014 508 B4 is a ring bobbin for wire, in particular for welding wire, known which has a basket for the wire. The basket has a central hub shell body and coil side parts, which are fixed or fixed to the axially remote from each other end edges of the central hub shell body by snap-locking connections. The central hub shell body is formed at its axially opposite end edges with circumferentially uniformly spaced locking holes and the respective coil side part is formed with snap-in locking holes in the locking holes. The axially facing away from each other end edges of the central hub shell body are formed with flange, which are provided with the locking holes for the locking pins, wherein the flange in the radial direction of the central hub shell body inwardly and the locking pins of the respective coil side part extending in the axial direction. Each flange element is formed with a pair of opposing locking tabs and the respective locking pin is formed with a locking head forming for the locking tabs undercuts. The respective locking pin is axially away from a portion of the coil side part, which is formed with a pair of mold slide-recesses for the associated undercuts of the respective locking head. The mentioned slide require a corresponding tool.

Ein Ringspulenkörper der eingangs genannten Art ist aus der DE 10 2014 109 295 B3 bekannt. Bei diesem bekannten Ringspulenkörper ist das jeweilige zentrale Hülsenteil mit einer radial inneren und einer radial äußeren Fügekante ausgebildet, die um das Hülsenteil wellenförmig umlaufen, wobei die Welle der inneren Fügekante gegenüber der Welle der äußeren Fügekante derart phasenversetzt ist, dass in Umfangsrichtung eine Abfolge nach innen und nach außen abgestufter Wandabschnitte gebildet wird, die sich überlappen. Die sich überlappenden Wandabschnitte sind durch Schnappverbindungen miteinander verrastet, die jeweils einen Vorsprung umfassen, der auf einem der beiden überlappenden Wandabschnitte vorgesehen ist. Im jeweils anderen Wandabschnitt ist eine den zugehörigen Vorsprung aufnehmende Ausnehmung ausgebildet. Die Schnappverbindungen sind integrale Bestandteile der zentralen Hülsenteile.A ring bobbin of the type mentioned is from the DE 10 2014 109 295 B3 known. In this known ring bobbin, the respective central sleeve part is formed with a radially inner and a radially outer joining edge, which rotate around the sleeve part wavy, the shaft of the inner joining edge relative to the shaft of the outer joining edge is phase-shifted such that in the circumferential direction a sequence inwards and outwardly stepped wall portions are formed, which overlap. The overlapping wall sections are latched together by snap connections, each comprising a projection provided on one of the two overlapping wall sections. In each other wall portion, a recess receiving the associated projection is formed. The snap connections are integral parts of the central sleeve parts.

Aus der DE 197 00 185 A1 ist ein Ringspulenkörper mit einem rotationssymmetrischen Spulenkern bekannt, der an seinen beiden Enden mit einer radial vorspringenden Flanschscheibe ausgebildet ist und der in einer Radialebene geteilt ist. Die Kernteile verjüngen sich von den Flanschscheiben kegelstumpfförmig zur Teilungsebene und sind miteinander lösbar verbunden. Die der Teilungsebene zugewandten Stirnflächen der Kernteile sowie die in oder an den Stirnflächen vorgesehenen Verbindungsmittel stimmen überein. Die Verbindungsmittel sind vorzugsweise als Rastausleger und Rastausnehmungen ausgebildet, die zwischen den miteinander verbundenen Kernteilen einen drehbaren Bajonettverschluss bilden. Auch bei diesem bekannten Ringspulenkörper sind die Rastausleger an den Stirnflächen der Kernteile materialeinstückig vorgesehen.From the DE 197 00 185 A1 a ring bobbin with a rotationally symmetrical coil core is known, which is formed at its two ends with a radially projecting flange and which is divided in a radial plane. The core parts taper frustoconically from the flange to the dividing plane and are releasably connected to each other. The dividing plane facing end faces of the core parts and provided in or on the end faces connecting means match. The connecting means are preferably designed as latching arm and latching recesses, which form a rotatable bayonet between the interconnected core parts. Also in this known ring bobbin, the locking arm are provided materialeinstückig at the end faces of the core parts.

Aus der DE 20 2014 010 142 U1 ist ein Ringspulenkörper bekannt, mit einer Nabe und jeweils an den axialen Stirnenden der Nabe angeordneten Seitenwänden mit einer ersten Nabenwand und einer zur ersten Nabenwand radial beabstandeten zweiten Nabenwand. Dieser Ringspulenkörper ist aus zwei Spulenhälften gebildet, die identisch gestaltet sind.
Die DE 38 10 967 A1 beschreibt einen Ringspulenkörper mit zwei Flanschen, die durch einen zylindrischen Kern miteinander trennbar verbunden sind. Bei diesem bekannten Ringspulenkörper ist der Kern quer zu seiner Längsachse unterteilt, wobei der eine Teil dem einen Flansch und der andere Teil dem anderen Flansch drehfest zugeordnet ist. Die freien Stirnflächen der beiden Teile liegen aufeinander und verlaufen im gleichen Abstand zur Längsachse mit einer Steigung in Richtung der Längsachse derart, dass sie jeweils mindestens eine Sprungstelle besitzen, wobei die eine Stirnfläche eine der anderen Stirnfläche entsprechende, jedoch gegenläufige Steigung aufweist, und wobei die Flansche zur Längsachse zentriert gehalten sind.
Aus der US 5 622 333 ist ein Ringspulenkörper bekannt, der ein Paar Spulenkörperhälften aufweist, die gleich ausgebildet sind. Jede Spulenkörperhälfte weist ein ringförmiges Basisteil und ein vom Basisteil materialeinstückig zentral, axial wegstehendes Hülsenteil auf. Zusätzlich zu den Spulenkörperhälften Verbindungselemente vorzusehen, ist auch aus dieser Druckschrift nicht zu entnehmen.
Die US 5 575 437 offenbart einen Ringspulenkörper mit scheibenförmigen Basisteilen und einer zentralen Nabe, die von einem Nabenteil gebildet ist. Die Basisteile sind mit Ausnehmungen ausgebildet und die Nabenteile sind materialeinstückig mit federnden Rastfingern ausgebildet, die in die Ausnehmungen einrastbar sind. Bei diesem bekannten Ringspulenkörper bilden die Außenflächen der beiden Nabenteile die Zylindernabenfläche des Ringspulenkörpers.
Eine diesem zuletzt genannten Ringspulenkörper prinzipiell ähnliche Ausbildung eines Ringspulenkörpers ist aus der DE 697 22 232 T2 bekannt.From the DE 20 2014 010 142 U1 a ring bobbin is known, with a hub and arranged respectively at the axial ends of the hub side walls with a first hub wall and one to the first hub wall radially spaced second hub wall. This ring bobbin is formed from two coil halves, which are designed identically.
The DE 38 10 967 A1 describes a ring bobbin with two flanges, which are connected by a cylindrical core separable. In this known ring bobbin, the core is divided transversely to its longitudinal axis, wherein the one part is associated with a flange and the other part of the other flange rotationally fixed. The free end faces of the two parts lie against each other and extend at the same distance from the longitudinal axis with a slope in the direction of the longitudinal axis such that they each have at least one discontinuity, wherein the one end face has a corresponding but opposite slope of the other end face, and wherein the Flanges are kept centered to the longitudinal axis.
From the US 5,622,333 is a ring bobbin known, which has a pair of bobbin halves, which are the same. Each bobbin half has an annular base part and a material piece from the base materialeinstückig centrally, axially wegstehendes sleeve member. In addition to the bobbin halves provide connecting elements, it is not apparent from this document.
The U.S. 5,575,437 discloses a ring bobbin with disc-shaped base parts and a central hub formed by a hub part. The base parts are formed with recesses and the hub parts are materialeinstückig formed with resilient latching fingers which can be latched into the recesses. In this known ring bobbin, the outer surfaces of the two hub parts form the cylinder hub surface of the ring bobbin.
A this last-mentioned ring bobbin in principle similar training a ring bobbin is from the DE 697 22 232 T2 known.

Bei diesem Ringspulenkörper ist die Nabe nicht von zwei Nabenteilen sondern von einer einteiligen Nabenhülse gebildet.In this ring bobbin, the hub is not formed by two hub parts but by a one-piece hub shell.

Die US 3 743 209 A offenbart einen Ringspulenkörper mit einem Paar gleich ausgebildeten Spulenkörperhälften, wobei jede Spulenkörperhälfte ein ringförmiges Basisteil und ein vom Basisteil zentral axial wegstehendes Hülsenteil aufweist. Das zentrale Hülsenteil ist mit einem Verbindungsteil, das einen zentralen Hülsenkörper aufeist, von dem Fingerelemente in Umfangsrichtung gleichmäßig verteilt radial wegstehen. Die Fingerelemente stehen axial über das Hülsenteil über, so dass es mittels der Fingerelemente möglich ist, die beiden Spulenkörperhälften miteinander zum Ringspulenkörper zu verbinden.The US Pat. No. 3,743,209 A discloses a ring bobbin with a pair of equally formed bobbin halves, each bobbin half having an annular base portion and a centrally axially away from the base member sleeve member. The central sleeve part is provided with a connecting part, which has a central sleeve body, from the finger elements in the circumferential direction evenly distributed radially projecting. The finger elements are axially over the sleeve part, so that it is possible by means of the finger elements to connect the two bobbin halves together to form the ring bobbin.

Die FR 2 817 853 A3 beschreibt einen Ringspulenkörper mit einem Paar Spulenkörperhälften, die gleich ausgebildet sind, wobei jede Spulenkörperhälfte ein ringförmiges Basisteil und ein zentrales, axial wegstehendes Hülsenteil aufweist. Jedes Hülsenteil weist Rastfinger auf, die sich in axialer Richtung erstrecken und die ungleich lang sind. Das jeweilige zentrale Hülsenteil ist außerdem mit Rastaussparungen für die Rastfinger ausgebildet.The FR 2 817 853 A3 describes a ring bobbin with a pair of bobbin halves, which are formed identically, each bobbin half having an annular base portion and a central, axially projecting sleeve portion. Each sleeve part has latching fingers which extend in the axial direction and which are of unequal length. The respective central sleeve part is also formed with latching recesses for the latching fingers.

Aus der US 2 190 013 A ist ein Ringspulenkörper bekannt, der ein Paar Spulenkörperhälften aufweist, die gleich ausgebildet sind. Jede Spulenkörperhälfte weist ein ringförmiges Basisteil und ein vom Basisteil materialeinstückig zentral, axial wegstehendes Hülsenteil auf. Das jeweilige Hülsenteil weist einen über das Hülsenteil axial überstehenden Rastfinger und diametral gegenüberliegend eine an den Rastfinger formmäßig angepasste Rastaussparung auf. Der jeweilige Rastfinger ist mit einem Gewindeloch ausgebildet. Die mechanische Verbindung der beiden Spulenkörperhälften zum Ringspulenkörper erfolgt mit Hilfe von Schraubelementen.From the US 2 190 013 A is a ring bobbin known, which has a pair of bobbin halves, which are the same. Each bobbin half has an annular base part and a material piece from the base materialeinstückig centrally, axially wegstehendes sleeve member. The respective sleeve part has an over the sleeve part axially projecting latching fingers and diametrically opposite to a shape adapted to the latching finger locking recess. The respective latching finger is formed with a threaded hole. The mechanical connection of the two bobbin halves to the ring bobbin is carried out by means of screw elements.

Die GB 2 190 358 A offenbart eine Spule mit Flanschelementen und einem die Flanschelemente miteinander verbindenden zentralen Dornelement. Jedes Flanschelement weist ein ringförmiges Basisteil und ein vom Basisteil materialeinstückig zentral, axial wegstehendes Hülsenteil auf. Das jeweilige Hülsenteil ist mit einem zentralen Gewindeloch ausgebildet. Das zentrale Dornelement ist mit federnden gezahnten Laschen ausgebildet, die im zur Spule zusammengebauten Zustand mit den zentralen Gewindelöchern der beiden Flanschelemente verrastet sind.
Der Erfindung liegt die Aufgabe zugrunde, einen Ringspulenkörper der eingangs genannten Art zu schaffen, der einfach ausgebildet ist, und der bezüglich seiner axialen Abmessung flexibel und somit wunschgemäß preisgünstig realisierbar ist.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruches 1, d.h. dadurch gelöst, dass Verbindungselemente vorgesehen sind, die mit den zentralen Hülsenteilen der beiden Spulenkörperhälften, in Umfangsrichtung des zentralen Hülsenteils gleichmäßig verteilt, zur Ausbildung des Ringspulenkörpers verrastbar oder verrastet sind, wobei das zentrale Hülsenteil der jeweiligen Spulenkörperhälfte einen Innenbund und einen Außenbund aufweist, die zueinander konzentrisch vorgesehen sind und zwischen sich für die Verbindungselemente einen Ringspalt bilden, der mit radial orientierten Rippen ausgebildet ist, und dass die jeweilige Spulenkörperhälfte mit Rastaussparungen ausgebildet ist, die in Umfangsrichtung der Spulenkörperhälfte gleichmäßig beabstandet sind, wobei die Verbindungselemente jeweils ein Paar voneinander axial abgewandte Rastfinger mit Rastnasen aufweisen, die zum Einrasten in die jeweils zugehörigen Rastaussparungen vorgesehen sind.
Die axiale Abmessung des erfindungsgemäßen Ringspulenkörpers wird in einfacher Weise durch entsprechende Dimensionierung der Verbindungselemente bestimmt.The GB 2 190 358 A discloses a coil with flange members and a central mandrel member interconnecting the flange members. Each flange element has an annular base part and a material part from the base materialeinstückig central, axially wegstehendes sleeve part. The respective sleeve part is formed with a central threaded hole. The central mandrel element is formed with resilient toothed tabs which are locked in the assembled state to the coil with the central threaded holes of the two flange elements.
The invention has for its object to provide a ring bobbin of the type mentioned, which is simple in design, and which is flexible in terms of its axial dimension and thus desired feasible low-cost.
This object is achieved by the features of claim 1, that is achieved in that connecting elements are provided which are evenly distributed with the central sleeve parts of the two bobbin halves in the circumferential direction of the central sleeve part, latched or latched to form the ring bobbin, wherein the central sleeve part the respective bobbin half has an inner collar and an outer collar, which are provided concentrically to each other and form an annular gap between them for the connecting elements, which is formed with radially oriented ribs, and that the respective bobbin half is formed with latching recesses which are equally spaced in the circumferential direction of the bobbin half are, wherein the connecting elements each have a pair of axially facing away latching fingers with locking lugs, which are provided for latching in the respectively associated latching recesses.
The axial dimension of the ring bobbin according to the invention is determined in a simple manner by appropriate dimensioning of the connecting elements.

Die Rastaussparungen dienen zur mechanischen Verrastung der Verbindungselemente zwischen den beiden gleich ausgebildeten Spulenkörperhälften.The latching recesses serve for the mechanical latching of the connecting elements between the two coil former halves of the same design.

Durch die radial orientierten Rippen und den Innen- und Außenbund des zentralen Hülsenteils der jeweiligen Spulenkörperhälfte sind in Umfangsrichtung des zentralen Hülsenteils Abteile zur genauen Positionierung der Verbindungselemente bestimmt.By the radially oriented ribs and the inner and outer collar of the central sleeve part of the respective bobbin half compartments for the exact positioning of the connecting elements are determined in the circumferential direction of the central sleeve part.

Zur mechanischen Versteifung der beiden gleich ausgebildeten Spulenkörperhälften hat es sich als vorteilhaft erwiesen, wenn das ringförmige Basisteil der jeweiligen Spulenkörperhälfte mit Erhebungen und Vertiefungen ausgebildet ist, die radial orientiert sind und die sich in Umfangsrichtung abwechseln. Dem gleichen Zwecke ist es dienlich, wenn das ringförmige Basisteil der jeweiligen Spulenkörperhälfte an seiner Außenseite mit radial orientierten Versteifungsrippen ausgebildet ist.For the mechanical stiffening of the two identically designed bobbin halves, it has proved to be advantageous if the annular base part of the respective bobbin half is formed with elevations and depressions which are radially oriented and which alternate in the circumferential direction. For the same purpose, it is useful if the annular base part of the respective bobbin half is formed on its outer side with radially oriented stiffening ribs.

Bei dem erfindungsgemäßen Ringspulenkörper kann das jeweilige Verbindungselement ein Paar voneinander axial abgewandte Rastfinger aufweisen, deren axiale Abmessungen an die axialen Abmessungen der beiden Spulenkörperhälften derartig angepasst sind, dass die zentralen Hülsenteile der beiden Spulenkörperhälften im zusammengebauten Zustand die Zylindernabenfläche des Ringspulenkörpers bilden. Bei einer derartigen Ausbildung können die beiden Rastfinger der jeweiligen Spulenkörperhälfte von einem axial mittigen, bogenförmigen Rippenelement wegstehen, wobei seitlich neben dem jeweiligen Rastfinger vom bogenförmigen Rippenelement voneinander abgewandt, axial orientiert Einsteckfinger wegstehen.In the case of the ring bobbin body according to the invention, the respective connecting element may have a pair of axially opposite latching fingers whose axial dimensions are adapted to the axial dimensions of the two bobbin halves such that the central sleeve parts of the two bobbin halves in the assembled state form the cylinder hub surface of the ring bobbin. With such a design, the two latching fingers of the respective bobbin half can protrude from an axially central, arcuate rib element, whereby laterally next to the respective latching finger away from the arcuate rib element facing away from each other, axially oriented insertion fingers protrude.

Erfindungsgemäß ist es auch möglich, dass das jeweilige Verbindungselement einen teilzylindrischen Distanzabschnitt aufweist, von dessen voneinander axial abgewandten Umfangsrändern jeweils ein Rastfinger axial wegsteht. Die teilzylindrischen Distanzabschnitte der Verbindungselemente bestimmen hierbei die axiale Abmessung des Ringspulenkörpers. Erfindungsgemäß ist es hierbei vorteilhaft, wenn der teilzylindrische Distanzabschnitt des jeweiligen Verbindungselementes mit einer teilzylindrischen Außenfläche ausgebildet ist, so dass die Verbindungselemente im zusammengebauten Zustand des Ringspulenkörpers mit ihren teilzylindrischen Außenflächen spalt- und lückenlos die Zylindernabenfläche des Ringspulenkörpers bilden.According to the invention, it is also possible for the respective connecting element to have a part-cylindrical distance section, from the outer edges facing away from each other axially Detent finger axially protrudes. The part-cylindrical spacer portions of the connecting elements in this case determine the axial dimension of the ring bobbin. According to the invention, it is advantageous in this case if the part-cylindrical distance section of the respective connecting element is formed with a part-cylindrical outer surface, so that the connecting elements in the assembled state of the ring bobbin with their part-cylindrical outer surfaces gapless and gapless form the cylinder hub surface of the ring bobbin.

Um bei einem solchermaßen ausgebildeten Ringspulenkörper mit den Distanzabschnitten der Verbindungselemente entsprechenden axialen Abmessungen eine geeignete mechanische Versteifung zu bewirken, ist es vorteilhaft, wenn der teilzylindrische Distanzabschnitt des jeweiligen Verbindungselementes radial innenseitig Versteifungsrippen aufweist, die vorzugsweise eine Wabenstruktur bilden.In order to effect a suitable mechanical reinforcement in the case of a ring coil body designed in this way with the spacer sections of the connecting elements, it is advantageous if the part-cylindrical spacer section of the respective connecting element has stiffening ribs radially on the inside, which preferably form a honeycomb structure.

Um eine zuverlässig feste Verbindung der Verbindungselemente mit den beiden gleich ausgebildeten Spulenkörperhälften zu verwirklichen, ist es bei einem Ringspulenkörper der zuletzt genannten Art vorteilhaft, wenn der teilzylindrische Distanzabschnitt des jeweiligen Verbindungselementes seitlich neben dem jeweiligen Rastfinger mindestens einen axial orientierten Einsteckfinger aufweist.In order to realize a reliably fixed connection of the connecting elements with the two coil former halves, it is advantageous in a ring bobbin of the last-mentioned type, if the partially cylindrical spacer portion of the respective connecting element has at least one axially oriented insertion finger laterally next to the respective latching finger.

Weitere Einzelheiten, Merkmale und Vorteile ergeben sich aus der nachfolgenden Beschreibung von in der Zeichnung dargestellter Ausführungsformen des erfindungsgemäßen Ringspulenkörpers, bzw. wesentlicher Einzelteile desselben.Further details, features and advantages will become apparent from the following description of illustrated in the drawings embodiments of the ring bobbin according to the invention, or essential items the same.

Es zeigen:

  • Figur 1 eine Spulenkörperhälfte des Ringspulenkörpers in einer perspektivischen Ansicht,
  • Figur 2 die Spulenkörperhälfte in einer der Figur1 ähnlichen perspektivischen Ansicht in Kombination mit Verbindungselementen, die mit der Spulenkörperhälfte verrastet sind,
  • Figur 3 eine perspektivische Außenansicht der Spulenkörperhälfte gemäß den Figuren 1 und 2,
  • Figur 4 eine perspektivische Ansicht eines der Verbindungselemente gemäß Figur 2 in einem größeren Maßstab,
  • Figur 5 eine perspektivische Ansicht des Ringspulenkörpers mit dem Paar Spulenkörperhälften, die mittels Verbindungselementen gemäß Figur 4 miteinander verbunden sind,
  • Figur 6 perspektivisch abschnittweise eine Spulenkörperhälfte in Kombination mit einer anderen Ausbildung eines Verbindungselementes zur Realisierung eines Ringspulenkörpers mit einer vergleichsweise großen axialen Abmessung, und
  • Figur 7 ein Verbindungselement gemäß Figur 6 in einer perspektivischen Ansicht.
Show it:
  • FIG. 1 a bobbin half of the ring bobbin in a perspective view,
  • FIG. 2 the bobbin half in one of Figur1 similar perspective view in combination with connecting elements which are locked to the spool half,
  • FIG. 3 an external perspective view of the bobbin half according to the FIGS. 1 and 2 .
  • FIG. 4 a perspective view of one of the connecting elements according to FIG. 2 on a larger scale,
  • FIG. 5 a perspective view of the ring bobbin with the pair of bobbin halves, by means of fasteners according to FIG. 4 connected to each other,
  • FIG. 6 In perspective sectionwise a bobbin half in combination with another embodiment of a connecting element for the realization of a ring bobbin with a comparatively large axial dimension, and
  • FIG. 7 a connecting element according to FIG. 6 in a perspective view.

Figur 1 zeigt eine Ausführungsform einer Spulenkörperhälfte 10, die ein ringförmiges Basisteil 12 und ein vom Basisteil 12 materialeinstückig zentral, axial wegstehendes Hülsenteil 14 aufweist. Das zentrale Hülsenteil 14 weist einen Innenbund 16 und einen Außenbund 18 auf, die zueinander konzentrisch vorgesehen sind und die zwischen sich einen schmalen Ringspalt 20 begrenzen. Im Ringspalt 20 sind radial orientierte Rippen 22 vorgesehen, die sich materialeinstückig zwischen dem Innenbund 16 und dem Außenbund 18 erstrecken. FIG. 1 shows an embodiment of a bobbin half 10, which has an annular base portion 12 and a material integrally from the base 12 materialeinstückig centrally projecting sleeve member 14. The central sleeve part 14 has an inner collar 16 and an outer collar 18, which are provided concentrically with each other and define a narrow annular gap 20 between them. In the annular gap 20 radially oriented ribs 22 are provided, which extend materialeinstückig between the inner collar 16 and the outer collar 18.

Im Übergangsbereich zwischen dem Innenbund 16 und dem ringförmigen Basisteil 12 ist die Spulenkörperhälfte 10 mit Rastaussparungen 24 ausgebildet, die voneinander gleichmäßig beabstandet sind.In the transition region between the inner collar 16 and the annular base part 12, the bobbin half 10 is formed with locking recesses 24 which are equally spaced from each other.

Das ringförmige Basisteil 12 der Spulenkörperhälfte 10 ist mit Erhebungen 26 und Vertiefungen 28 ausgebildet, die sich in radialer Richtung des ringförmigen Basisteiles 12 erstrecken und die sich in Umfangsrichtung des Basisteils 12 abwechseln.The annular base part 12 of the bobbin half 10 is formed with projections 26 and depressions 28 which extend in the radial direction of the annular base part 12 and which alternate in the circumferential direction of the base part 12.

Der Innenbund 16 der Ringspulenkörperhälfte 10 ist mit Innenrippen 30 ausgebildet, die mittig zwischen den Rastaussparungen 24 ausgebildet sind.The inner collar 16 of the ring bobbin half 10 is formed with inner ribs 30, which are formed centrally between the locking recesses 24.

Figur 2 zeigt die Kombination der Spulenkörperhälfte 10 gemäß Figur 1 mit Verbindungselementen 32 (siehe Figur 4). Die Verbindungselemente 32 weisen ein Paar voneinander axial abgewandte Rastfinger 34 mit Rastnasen 44 auf, die zum Einrasten in die jeweils zugehörigen Rastaussparungen 24 vorgesehen sind. FIG. 2 shows the combination of the bobbin half 10 according to FIG. 1 with connecting elements 32 (see FIG. 4 ). The connecting elements 32 have a pair of axially opposite locking fingers 34 with locking lugs 44, which are provided for locking into the respectively associated latching recesses 24.

Figur 3 zeigt in einer Außenansicht eine Spulenkörperhälfte 10 gemäß den Figuren 1 und 2 zur Verdeutlichung von an der Außenseite des ringförmigen Basisteils 12 ausgebildeten Versteifungsrippen 36, die radial orientiert sind. Mit der Bezugsziffer 24 sind auch in Figur 3 die Rastaussparungen bezeichnet, die an der Übergangskante 38 zwischen dem ringförmigen Basisteil 12 und dem Innenbund 16 des zentralen Hülsenteils 14 ausgebildet sind. FIG. 3 shows an outer view of a bobbin half 10 according to the FIGS. 1 and 2 to illustrate formed on the outside of the annular base member 12 stiffening ribs 36 which are radially oriented. The reference numeral 24 are also in FIG. 3 denotes the locking recesses, which are formed at the transition edge 38 between the annular base part 12 and the inner collar 16 of the central sleeve part 14.

Figur 4 zeigt in einer perspektivischen Ansicht ein Verbindungselement 32 mit seinen beiden voneinander axial abgewandten Rastfingern 34, deren axiale Abmessungen an die axialen Abmessungen der beiden gleich ausgebildeten Spulenkörperhälften 10 derartig angepasst sind, dass die Innenbunde 16 der zentralen Hülsenteile 14 der beiden Spulenkörperhälften 10 im zusammengebauten Zustand, wie er in Figur 5 dargestellt ist, die spalt- und lückelose Zylindernabenfläche 40 des Ringspulenkörpers 42 bilden. Mit der Bezugsziffer 44 sind in den Figuren 4 und 5 Rastnasen der Rastfinder 34 der Verbindungselemente 32 bezeichnet, die in die Rastaussparungen 24 eingerastet sind. FIG. 4 3 shows a perspective view of a connecting element 32 with its two axially opposite latching fingers 34, the axial dimensions of which are adapted to the axial dimensions of the two coil former halves 10 in such a way that the inner collars 16 of the central sleeve parts 14 of the two coil former halves 10 in the assembled state, as he in FIG. 5 is shown, the slit and gapless cylinder hub surface 40 of the ring bobbin 42 form. The reference numeral 44 are in the FIGS. 4 and 5 Locking lugs of the detent finder 34 of the connecting elements 32 referred to, which are engaged in the locking recesses 24.

Wie aus Figur 4 des Weiteren ersichtlich ist, stehen die beiden Rastfinger 34 von einem mittigen, bogenförmigen schmalen Rippenelement 46 voneinander abgewandt weg. Seitlich neben dem jeweiligen Rastfinger 34 stehen vom bogenförmigen Rippenelement 46 voneinander abgewandt axial orientiert Einsteckfinger 48 weg. Die Querschnitts-Profilabmessungen der Einsteckfinger 48 sind an die durch die Rippen 22 und den Innen- und Außenbund 16 und 18 des zentralen Hülsenteils 14 bestimmten lichten Abmessungen der Zwischenräume 50 angepasst.How out FIG. 4 Furthermore, it can be seen, the two locking fingers 34 are facing away from a central, arcuate narrow rib member 46 away from each other. Laterally next to the respective latching finger 34 are facing away from the arcuate rib member 46 facing away from each other axially oriented insertion finger 48 away. The cross-sectional profile dimensions of the insertion fingers 48 are adapted to the clear dimensions of the spaces 50 determined by the ribs 22 and the inner and outer collars 16 and 18 of the central sleeve portion 14.

Figur 6 verdeutlicht abschnittweise in einer perspektivischen Ansicht eine Spulenkörperhälfte 10 gemäß Figur 1 mit ihrem ringförmigen Basisteil 12 und dem zentralen Hülsenteil 14 sowie eine Ausbildung eines Verbindungselementes 32, das anstelle eines bogenförmigen schmalen Rippenelementes, wie es in Figur 4 gezeichnet ist, einen teilzylindrischen Distanzabschnitt 52 aufweist, von dessen voneinander axial abgewandten Umfangsrändern 54 mittig jeweils ein Rastfinger 34 wegsteht, wie aus Figur 7 deutlich ersichtlich ist. FIG. 6 Sectionally illustrates in a perspective view a bobbin half 10 according to FIG. 1 with its annular base part 12 and the central sleeve part 14 and a formation of a connecting element 32, which instead of an arcuate narrow rib element, as in FIG. 4 is drawn, a part-cylindrical spacer portion 52, from the axially facing away from each other peripheral edges 54 centrally each a detent finger 34 protrudes, as from FIG. 7 is clearly visible.

Der teilzylindrische Distanzabschnitt 52 des besagten Verbindungselementes 32 ist mit einer teilzylindrischen Außenfläche 56 ausgebildet.The part-cylindrical spacer portion 52 of said connecting element 32 is formed with a part-cylindrical outer surface 56.

In dem zu einem Ringspulenkörper zusammengebauten Zustand der beiden gleich ausgebildeten Spulenkörperhälften 10 mit den Verbindungselementen 32 bilden die teilzylindrischen Außenflächen 56 der Distanzabschnitte 52 der Verbindungselemente 32 spalt- und lückenlos die Zylindernabenfläche des Ringspulenkörpers 42.In the assembled state to a ring bobbin state of the two identically shaped bobbin halves 10 with the connecting elements 32 form the partially cylindrical outer surfaces 56 of the spacer portions 52 of the connecting elements 32 gap and gap the cylinder hub surface of the ring bobbin 42nd

Der teilzylindrische Distanzabschnitt 52 des jeweiligen Verbindungselementes 32 weist innenseitig Versteifungsrippen 58 auf, die eine Wabenstruktur bilden.The part-cylindrical spacer portion 52 of the respective connecting element 32 has on the inside stiffening ribs 58, which form a honeycomb structure.

Seitlich neben dem jeweiligen Rastfinger 34 ist der teilzylindrische Distanzabschnitt 52 des jeweiligen Verbindungselementes 32 mit axial orientierten Einsteckfingern 48 - ähnlich wie bei der Ausbildung des Verbindungselementes 32 gemäß Figur 4 - ausgebildet.Laterally adjacent to the respective latching finger 34 is the part-cylindrical spacer portion 52 of the respective connecting element 32 with axially oriented Einsteckfingern 48 - similar to the formation of the connecting element 32 according to FIG. 4 - educated.

Gleiche Einzelheiten sind in allen Figuren jeweils mit den selben Bezugsziffern bezeichnet, so dass es sich erübrigt, in Verbindung mit allen Figuren alle Einzelheiten jeweils detailliert zu beschreiben.The same details are designated in all figures with the same reference numerals, so that it is unnecessary, in conjunction with all figures, to describe all the details in detail.

Bezugsziffernliste:List of reference numerals:

1010
Spulenkörperhälfte (für 42)Bobbin half (for 42)
1212
ringförmiges Basisteil (von 10)annular base part (from 10)
1414
zentrales ringförmiges Hülsenteil (von 10)central annular sleeve part (from 10)
1616
Innenbund (von 14)Inner waistband (from 14)
1818
Außenbund (von 14)Outer collar (from 14)
2020
Ringspalt (zwischen 16 und 18)Annular gap (between 16 and 18)
2222
Rippen (in 20)Ribs (in 20)
2424
Rastaussparungen (in 10 für 34)Notches (in 10 for 34)
2626
Erhebungen (von 12)Surveys (out of 12)
2828
Vertiefungen (von 12)Wells (out of 12)
3030
Innenrippen (an 16)Inner ribs (at 16)
3232
Verbindungselemente (für 42)Fasteners (for 42)
3434
Rastfinger (von 32)Snap finger (from 32)
3636
Versteifungsrippen (an 12)Stiffening ribs (at 12)
3838
Übergangskante (zwischen 16 und 12)Transition edge (between 16 and 12)
4040
Zylindernabenfläche (von 42)Cylinder Hub (from 42)
4242
RingspulenkörperRing bobbins
4444
Rastnasen (an 34 für 24)Locking lugs (at 34 for 24)
4646
bogenförmiges Rippenelement (von 32)arched ribbed element (from 32)
4848
Einsteckfinger (von 32)Insert fingers (of 32)
5050
Zwischenraum (zwischen 16 und 18 für 48)Interval (between 16 and 18 for 48)
5252
teilzylindrischer Distanzabschnitt (von 32)part-cylindrical distance section (from 32)
5454
Umfangsrand (von 52)Peripheral edge (from 52)
5656
teilzylindrische Außenfläche (von 52)partly cylindrical outer surface (from 52)
5858
wabenförmige Versteifungsrippen (an 52)honeycomb stiffening ribs (at 52)

Claims (9)

  1. An annular bobbin with a pair of bobbin halves (10) which are identically formed, wherein each bobbin half (10) has an annular base part (12) and a sleeve part (14) which forms one piece with and extends centrally, axially away from the base part (12), characterised in that connecting elements (32) are provided which are evenly distributed in the circumferential direction of the central sleeve part (14), and which, in order to form the annular bobbin (42), are lockable or locked with the central sleeve parts (14) of the two bobbin halves (10), wherein the central sleeve part (14) of the respective bobbin half (10) has an inner collar (16) and an outer collar (18) which are provided concentrically to one another and which form an annular gap (20) between themselves for the connecting elements (32) which is provided with radially oriented ribs (22), and in that the respective bobbin half (10) is provided with locking recesses (24), which are evenly spaced in the circumferential direction of the bobbin half (10), wherein the connecting elements (32) each have a pair of locking fingers (34) with locking noses (44) facing axially away from one another, which are provided in order to lock into the respective corresponding locking recess (24).
  2. The annular bobbin according to claim 1, characterised in that the annular base part (12) of the respective bobbin half (10) is provided with elevations (26) and recesses (28) which are radially oriented and which alternate in a circumferential direction.
  3. The annular bobbin according to claim 1, characterised in that the annular base part (12) of the respective bobbin half (10) is provided with radially oriented reinforcing ribs (36) on its outer surface.
  4. The annular bobbin according to claim 1, characterised in that the axial dimensions of the locking fingers (34) of the respective connecting element (32) facing away from each other are adapted to the axial dimensions of both bobbin halves (10) in such a way that in an assembled state the central sleeve parts (14) of the two bobbin halves (10) form the cylinder hub surface (40) of the annular bobbin (42) with their inner collar (16).
  5. The annular bobbin according to claim 1, characterised in that the two locking fingers (34) of the respective connecting element (32) project away from an axially central arc-shaped rib element (46), wherein axially oriented insertion fingers (48), facing away from the arc-shaped rib element (46), project laterally next to the respective locking finger (34).
  6. The annular bobbin according to claim 1, characterised in that the respective connecting element (32) has a part-cylindrical spacer section (52), with circumferential edges (54) which are axially facing away from one another and from each of which a locking finger (34) projects axially.
  7. The annular bobbin according to claim 6, characterised in that the part-cylindrical spacer section (52) of the respective connecting element (32) is provided with a part-cylindrical outer surface (56), so that in the annular bobbin's (42) assembled state, the connecting elements (32) form the cylinder hub surface (40) of the annular bobbin (42) with their part-cylindrical outer surfaces (56).
  8. The annular bobbin according to claim 6, characterised in that the part-cylindrical spacer section (52) of the respective connecting element (32) has radially reinforcing ribs (58) on the inside which form a honeycomb structure.
  9. The annular bobbin according to claim 6, characterised in that the part-cylindrical spacer section (52) of the respective connecting element (32) has at least one axially oriented insertion finger (48) laterally next to the respective locking finger (34).
EP16001827.1A 2015-09-30 2016-08-19 Ring coil body Active EP3150533B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015012671.7A DE102015012671B3 (en) 2015-09-30 2015-09-30 Ring bobbins

Publications (2)

Publication Number Publication Date
EP3150533A1 EP3150533A1 (en) 2017-04-05
EP3150533B1 true EP3150533B1 (en) 2018-02-07

Family

ID=56799180

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16001827.1A Active EP3150533B1 (en) 2015-09-30 2016-08-19 Ring coil body

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EP (1) EP3150533B1 (en)
DE (1) DE102015012671B3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017008581B3 (en) 2017-09-13 2018-12-13 Helmut Wollnitzke Spool for wire, in particular for welding wire
CN110451350B (en) * 2019-09-12 2024-04-02 中山市美耐特光电有限公司 Multifunctional flexible belt winding shaft
DE102020007283B4 (en) 2020-11-27 2023-11-16 Helmut Wollnitzke Fastening device in particular for a welding wire coil

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DE8525459U1 (en) * 1985-09-06 1985-10-24 Häfner & Krullmann GmbH, 4817 Leopoldshöhe Take-up reel for, in particular, tape-shaped winding material
FI76308C (en) * 1986-05-14 1988-10-10 Outokumpu Oy Foldable winding
DE3810967A1 (en) * 1988-03-31 1989-10-12 Heraeus Gmbh W C Winding bobbin
US5531399A (en) * 1994-09-28 1996-07-02 Alpha Enterprises, Inc. Tape reel
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US5622333A (en) * 1996-01-03 1997-04-22 Ipl Inc. Adjustable wire reel
SE507320C2 (en) * 1996-11-04 1998-05-11 Flaaren Ab Coil of plastic material
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DE102007014508B4 (en) * 2007-03-27 2010-04-22 Helmut Wollnitzke Coil device for wire, in particular for welding wire
DE102011121986B3 (en) * 2011-12-16 2013-02-07 Helmut Wollnitzke Basket shaped coil for wire e.g. welding wire, has locking elements formed between central sleeve portion and outer sleeve portion, along two concentric circles from base portion
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Publication number Publication date
EP3150533A1 (en) 2017-04-05
DE102015012671B3 (en) 2017-02-23

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