EP0469109B1 - Connector - Google Patents

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Publication number
EP0469109B1
EP0469109B1 EP91903784A EP91903784A EP0469109B1 EP 0469109 B1 EP0469109 B1 EP 0469109B1 EP 91903784 A EP91903784 A EP 91903784A EP 91903784 A EP91903784 A EP 91903784A EP 0469109 B1 EP0469109 B1 EP 0469109B1
Authority
EP
European Patent Office
Prior art keywords
bolt
guide sleeve
sleeve
guide
connecting element
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP91903784A
Other languages
German (de)
French (fr)
Other versions
EP0469109A1 (en
Inventor
Marcel Strässle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Syma Intercontinental AG
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Syma Intercontinental AG
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Publication date
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Publication of EP0469109A1 publication Critical patent/EP0469109A1/en
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Publication of EP0469109B1 publication Critical patent/EP0469109B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B1/1903—Connecting nodes specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1924—Struts specially adapted therefor
    • E04B2001/1927—Struts specially adapted therefor of essentially circular cross section
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1957—Details of connections between nodes and struts
    • E04B2001/196—Screw connections with axis parallel to the main axis of the strut
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1957—Details of connections between nodes and struts
    • E04B2001/1963—Screw connections with axis at an angle, e.g. perpendicular, to the main axis of the strut
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/34—Branched
    • Y10T403/341—Three or more radiating members
    • Y10T403/342—Polyhedral
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/34—Branched
    • Y10T403/347—Polyhedral

Definitions

  • the present invention relates to a connecting element for a rod according to the preamble of patent claim 1.
  • a connecting element of the type mentioned above is known from European Patent Application No. EP-A2-0 297 033.
  • This connecting element has a sleeve insert with a sleeve head which has a bore into which a tubular part, e.g. is firmly connected by gluing or welding.
  • This tubular part is provided with a bore for a threaded bolt, which is axially slidably connected to the front part of a guide sleeve in such a way that a rotary movement of the guide sleeve can be transmitted to the bolt.
  • the invention has for its object to provide a different type of connector of this type that is more convenient to use.
  • the inventive feature that the flange ring is integrally connected to the guide sleeve gives the additional advantage over the closest prior art that the head of the sleeve insert cannot be round, which facilitates the connection of the sleeve insert to the rod.
  • a sleeve insert 3 consisting of a flange-shaped sleeve head 1 and a tubular part 2, the tubular part 2 being provided with an external thread 4 for attachment to one end of a rod of a space framework.
  • a bolt 5 is guided, the head 6 of which is supported on the end wall of the tubular part 2.
  • the bolt 5 has an elongated, round, smooth part 7 and an end part 8, which is provided with an external thread 9 for fastening the bolt to a guide insert 10 (FIG. 4).
  • FIG. 4 shows a side and sectional view transversely to the longitudinal axis of the guide insert 10 with a threaded part 11, which is used for screwing onto a knot piece.
  • the guide insert 10 has on one side a hexagon-shaped part (FIG. 5) with a threaded bore 13 into which the end part 8 of the threaded bolt can be screwed.
  • a threaded hole 14 vertically through which a threaded pin 15 shown in FIG. 1, for example also a hexagon socket threaded pin, can be screwed in order to guide the guide insert 10 in the installed state.
  • the bolt 5 is guided through the through bore of a guide sleeve 16, from which the threaded part 11 of the guide insert 10 protrudes.
  • this through hole is formed in a form-fitting manner with the guide part 12, so that a rotational movement can be transmitted from the guide sleeve 16 to the threaded part 11 with as little play as possible.
  • the through bore of the front part of the guide sleeve 16 can therefore, for example, also be polygonal in accordance with the guided part of the guide insert.
  • these cross sections are preferably hexagonal, as indicated in FIGS. 4 and 5.
  • the guide sleeve 16 in its rear region is designed outward and rearward in the form of a flange to form an approximately bell-shaped flange 17, in the inner space 18 of which the sleeve head 1 can be accommodated.
  • the Guide sleeve 16 in its rear area a radially arranged annular wall 19, wherein in the interior 18 'of the guide sleeve 16 between the wall 19 and the guide insert 10, a coil spring 20 is placed around the bolt 5, the guide insert 10 and the bolt connected to it 5 pushes forward.
  • the maximum outside diameter of the flange 17 is preferably equal to the outside diameter of the rod 21 to be connected by the connecting element in order to produce an aesthetic effect, and the minimum inside diameter of the flange 17 in the bell-shaped space 18 is larger than the maximum transverse size of the sleeve head 1, which is preferred is not round in order to be able to screw it onto the rod 21 with a key.
  • the diameter of the bore in the annular wall 19 is larger than the diameter of the bolt 5 and smaller than the diameter of the helical spring 20.
  • the sleeve 16 according to FIG. 1 has an opening 22 through which the pin 15 is guided.
  • the operation of the element according to FIG. 1 is known from EP-PS 297 033 with the difference that, according to the present invention, the guide sleeve 16 is designed differently in the rear part.
  • the flange-shaped configuration has the advantage that the transition between the end of the rod 21 and the sleeve 16 is realized harmoniously can be, in different variants, since for example on the outside the front part of the guide sleeve 16 can be hexagonal and the flange 17 can be round.
  • the guide device or sleeve 16 essentially corresponds to the embodiment according to FIG. 1, the same reference numerals being used for identical parts. In this embodiment, however, the guide device or sleeve 16 'has no opening on the outer surface.
  • the connecting element according to FIG. 3 has some common features with the embodiment according to FIG. 1, the same reference numerals also being used here for corresponding parts.
  • the connecting element according to FIG. 3 also has a sleeve insert 3 consisting of a sleeve head 1 and a tube part 2, the tube part 2 being provided with an external thread 4. Through a through hole of the sleeve insert 3, a bolt 5 'is guided, the head 6 of which is supported on the end wall of the tubular part 2.
  • the bolt 5 ' has an elongated round smooth part 7', a guide part 23, the cross section of which can be polygonal, and an end part 9 ', which is provided with an external thread 9 ⁇ .
  • the node piece 24 and the rod 25 are only indicated by dashed lines.
  • the bolt 5 ' is guided through the through hole of a guide sleeve 26 from which the end part 9' protrudes.
  • this through hole is positively formed with the guide part 23 of the threaded bolt 5 ', so that a rotational movement from the guide sleeve 26 to the bolt 5' can be transmitted with as little play as possible.
  • the through hole of the front part of the guide sleeve 26 can therefore also be polygonal in accordance with the guided part of the bolt 5 '.
  • these cross sections are preferably hexagonal.
  • the through hole in the rear region of the guide sleeve 26 has a preferably round cross section, with a relatively large air gap between the round part 7 'of the bolt 5' and the preferably cylindrical inner wall of the guide sleeve 26 to form a free space 18 ', in which a coil spring 27 can be accommodated.
  • the guide sleeve 26 On the outer surface of the guide sleeve 26 there may be an elongated opening 22 through which a pin 15 can be inserted loosely and connected to the bolt 5 ', preferably radially in its guide part 23.
  • the spring 27 is arranged in the air gap such that it rests on a bushing 28 on the right and on the pin 15 on the left supports to push it forward and with it to push the end part 9 'out of the guide sleeve 26 when, for example, it is pushed into the guide sleeve 26 by hand.
  • the transmission of the rotary movement is brought about by the positive connection in the front part of the guide sleeve 26.
  • the pin 15 is provided so that, if necessary, the pin 5 can be pushed with the fingers along the elongated opening 22 against the action of the spring 27.
  • the connecting element according to FIG. 3 has the further advantage that the bell-shaped flange ring 29 provides a well-fitting transition between the rod 25 and the guide sleeve 26 can be realized.
  • This embodiment can be made without an opening 22 of any kind on the outer surface of the guide sleeve 26 because it can be removed very easily.
  • a projection of the bolt could also be provided in the parts 7 'and / or 23, in which case the opening 22 could also be provided completely up to the rear end of the guide sleeve 26.
  • the flange ring 29 is integrally connected to the rear end of the guide sleeve 26.
  • the rear part 28 ⁇ of the sleeve 28 is flange-shaped.
  • a laterally mountable, for example meandering, spring can also be used and that the flange ring and / or the sleeve can be produced from die cast, for example bronze or zinc die cast, due to compliance with the tolerances.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Surgical Instruments (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Earth Drilling (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Knitting Machines (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Endoscopes (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Fluid-Damping Devices (AREA)
  • Small-Scale Networks (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Near-Field Transmission Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Insertion Pins And Rivets (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Burglar Alarm Systems (AREA)
  • Automatic Assembly (AREA)
  • Connection Of Plates (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)

Abstract

PCT No. PCT/CH91/00040 Sec. 371 Date Sep. 10, 1991 Sec. 102(e) Date Sep. 10, 1991 PCT Filed Feb. 13, 1991 PCT Pub. No. WO91/12384 PCT Pub. Date Aug. 22, 1991.A guide device including a bolt (5) which through a sleeve insert can be fastened rotatably to one end of a rod (21), which bolt is connected, sliding axially, to the front part of a guide sleeve (16') in such a way that a rotary movement of the guide sleeve (16') can be transmitted to the bolt (5). A spring (20) pushes the bolt (15) out of the guide sleeve (16'), and the rear end of the guide sleeve (16') an approximately bell-shaped flange (17) is provided, which delimits an inside space which is dimensioned such that the head (1) of the sleeve insert can be accommodated therein.

Description

Die vorliegende Erfindung betrifft ein Verbindungselement für eine Stange gemäss dem Oberbegriff des patentanspruchs 1.The present invention relates to a connecting element for a rod according to the preamble of patent claim 1.

Ein Verbindungselement der oben erwähnten Art ist aus der europäischen Patentanmeldung Nr. EP-A2-0 297 033 bekannt.A connecting element of the type mentioned above is known from European Patent Application No. EP-A2-0 297 033.

Dieses Verbindungselement weist einen Hülseneinsatz mit einem Hülsenkopf auf, der eine Bohrung aufweist, in die ein Rohrteil stirnseitig, z.B. durch Kleben oder Schweissen fest verbunden ist. Dieses Rohrteil ist mit einer Bohrung für einen Gewindbolzen versehen, der mit dem vorderen Teil einer Führungshülse axial gleitend verbunden ist, derart, dass eine Drehbewegung der Führungshülse auf den Bolzen übertragbar ist.This connecting element has a sleeve insert with a sleeve head which has a bore into which a tubular part, e.g. is firmly connected by gluing or welding. This tubular part is provided with a bore for a threaded bolt, which is axially slidably connected to the front part of a guide sleeve in such a way that a rotary movement of the guide sleeve can be transmitted to the bolt.

Der Erfindung liegt die Aufgabe zugrunde, ein andersartiges Verbindungselement dieser Gattung zu schaffen, das bequemer zu bedienen ist.The invention has for its object to provide a different type of connector of this type that is more convenient to use.

Die Lösung dieser Aufgabe erfolgt erfindungsgemäss mit Hilfe eines Verbindungselementes nach dem kennzeichnenden Teil des Patentanspruchs 1.This object is achieved according to the invention with the aid of a connecting element according to the characterizing part of patent claim 1.

Durch das erfinderische Merkmal, dass der Flanschring einstückig mit der Führungshülse verbunden ist, entsteht gegenüber dem nächstliegenden Stand der Technik der zusätzliche Vorteil, dass der Kopf des Hülseneinsatzes nicht rund ausgestaltet sein kann, wodurch die Verbindung des Hülseneinsatzes mit der Stange erleichtert wird.The inventive feature that the flange ring is integrally connected to the guide sleeve gives the additional advantage over the closest prior art that the head of the sleeve insert cannot be round, which facilitates the connection of the sleeve insert to the rod.

Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den abhängigen Ansprüchen angegeben.Further advantageous embodiments of the invention are specified in the dependent claims.

Die Erfindung wird nachfolgend durch Beschreibung von Ausführungsbeispielen anhand einer Zeichnung näher erläutert.The invention is explained in more detail below by describing exemplary embodiments with reference to a drawing.

Es zeigen:

Fig. 1 bis 3
schematische Schnittdarstellungen verschiedener Varianten des erfindungsgemässen Verbindungselementes, und
Fig. 4 und 5
eine Darstellung des Führungseinsatzes des Verbindungselementes nach Fig. 1 oder 2.
Show it:
1 to 3
schematic sectional views of different variants of the connecting element according to the invention, and
4 and 5
a representation of the guide insert of the connecting element of FIG. 1 or 2nd

Das Verbindungselement nach Fig. 1 weist einen aus einem flanschförmigen Hülsenkopf 1 und einem Rohrteil 2 bestehenden Hülseneinsatz 3 auf, wobei der Rohrteil 2 mit einem Aussengewinde 4 zur Befestigung an einem Ende einer Stange eines Raumfachwerkes versehen ist. Durch eine Durchgangsbohrung des Hülseneinsatzes 3 ist ein Bolzen 5 geführt, dessen Kopf 6 sich auf die Stirnwand des Rohrteils 2 stützt.1 has a sleeve insert 3 consisting of a flange-shaped sleeve head 1 and a tubular part 2, the tubular part 2 being provided with an external thread 4 for attachment to one end of a rod of a space framework. Through a through hole of the sleeve insert 3, a bolt 5 is guided, the head 6 of which is supported on the end wall of the tubular part 2.

Der Bolzen 5 weist einen länglichen runden glatten Teil 7 und einen Endteil 8 auf, der mit einem Aussengewinde 9 zur Befestigung des Bolzens an einem Führungseinsatz 10 (Fig. 4) vorgesehen ist.The bolt 5 has an elongated, round, smooth part 7 and an end part 8, which is provided with an external thread 9 for fastening the bolt to a guide insert 10 (FIG. 4).

In Fig. 4 ist eine Seiten- und Schnittansicht quer zur Längsachse des Führungseinsatzes 10 mit einem Gewindeteil 11 dargestellt, der zum Anschrauben an einem Knotenstück dient.4 shows a side and sectional view transversely to the longitudinal axis of the guide insert 10 with a threaded part 11, which is used for screwing onto a knot piece.

Dabei weist der Führungseinsatz 10 an der einen Seite einen sechskantförmig (Fig. 5) ausgebildeten Teil 12 mit einer Gewindebohrung 13 auf, in die der Endteil 8 des Gewindebolzens einschraubbar ist. Etwa in der Mitte der Mantelfläche des Führungsteils 12 ist senkrecht ein Gewindeloch 14 vorhanden, durch das ein in Fig. 1 dargestellter Gewindestift 15, beispielsweise auch ein Innensechskantgewindestift, anschraubbar ist, um im eingebauten Zustand den Führungseinsatz 10 zu führen.The guide insert 10 has on one side a hexagon-shaped part (FIG. 5) with a threaded bore 13 into which the end part 8 of the threaded bolt can be screwed. Approximately in the middle of the lateral surface of the guide part 12 there is a threaded hole 14 vertically through which a threaded pin 15 shown in FIG. 1, for example also a hexagon socket threaded pin, can be screwed in order to guide the guide insert 10 in the installed state.

Der Bolzen 5 ist durch die Durchgangsbohrung einer Führungshülse 16 geführt, aus der der Gewindeteil 11 des Führungseinsatzes 10 ragt. Beim vorderen Teil der Führungshülse 16 ist diese Durchgangsbohrung formschlüssig mit dem Führungsteil 12 ausgebildet, so dass mit möglichst wenig Spiel eine Drehbewegung von der Führungshülse 16 an den Gewindeteil 11 übertragen werden kann.The bolt 5 is guided through the through bore of a guide sleeve 16, from which the threaded part 11 of the guide insert 10 protrudes. In the front part of the guide sleeve 16, this through hole is formed in a form-fitting manner with the guide part 12, so that a rotational movement can be transmitted from the guide sleeve 16 to the threaded part 11 with as little play as possible.

Die Durchgangsbohrung des vorderen Teils der Führungshülse 16 kann daher in Uebereinstimmung mit dem geführten Teil des Führungseinsatzes beispielsweise auch polygonal sein. Vorzugsweise sind jedoch diese Querschnitte hexagonal, wie in den Figuren 4 und 5 angegeben. Demgegenüber ist die Führungshülse 16 in ihrem hinteren Bereich nach aussen und nach hinten flanschförmig ausgestaltet, um einen etwa glockenförmigen Flansch 17 zu bilden, in dessen innerem Raum 18 der Hülsenkopf 1 untergebracht werden kann. Zudem weist die Führungshülse 16 in ihrem hinteren Bereich eine radial angeordnete ringförmige Wandung 19 auf, wobei im Innenraum 18′ der Führungshülse 16 zwischen der Wandung 19 und dem Führungseinsatz 10 eine Schraubenfeder 20 um den Bolzen 5 angelegt ist, die den Führungseinsatz 10 und dem mit ihm verbundenen Bolzen 5 nach vorne drückt.The through bore of the front part of the guide sleeve 16 can therefore, for example, also be polygonal in accordance with the guided part of the guide insert. However, these cross sections are preferably hexagonal, as indicated in FIGS. 4 and 5. In contrast, the guide sleeve 16 in its rear region is designed outward and rearward in the form of a flange to form an approximately bell-shaped flange 17, in the inner space 18 of which the sleeve head 1 can be accommodated. In addition, the Guide sleeve 16 in its rear area a radially arranged annular wall 19, wherein in the interior 18 'of the guide sleeve 16 between the wall 19 and the guide insert 10, a coil spring 20 is placed around the bolt 5, the guide insert 10 and the bolt connected to it 5 pushes forward.

Der maximale Aussendruchmesser des Flansches 17 ist vorzugsweise gleich dem Aussendurchmesser der durch das Verbindungselement zu verbindenden Stange 21, um einen ästhetischen Effekt zu bewirken, und der minimale Innendurchmesser des Flansches 17 im glockenförmigen Raum 18 ist grösser als die maximale Quergrösse des Hülsenkopfes 1, der vorzugsweise nicht rund ist, um ihn mit einem Schlüssel an die Stange 21 anschrauben zu können. Der Durchmesser der Bohrung der ringförmigen Wandung 19 ist grösser als der Durchmesser des Bolzens 5 und kleiner als der Durchmesser der Schraubenfeder 20. Die Hülse 16 nach Fig. 1 weist eine Oeffnung 22 auf, durch die der Stift 15 geführt wird.The maximum outside diameter of the flange 17 is preferably equal to the outside diameter of the rod 21 to be connected by the connecting element in order to produce an aesthetic effect, and the minimum inside diameter of the flange 17 in the bell-shaped space 18 is larger than the maximum transverse size of the sleeve head 1, which is preferred is not round in order to be able to screw it onto the rod 21 with a key. The diameter of the bore in the annular wall 19 is larger than the diameter of the bolt 5 and smaller than the diameter of the helical spring 20. The sleeve 16 according to FIG. 1 has an opening 22 through which the pin 15 is guided.

Die Arbeitsweise des Elementes nach Fig. 1 ist aus der EP-PS 297 033 bekannt mit dem Unterschied, dass nach der vorliegenden Erfindung die Führungshülse 16 im hinteren Teil anders ausgebildet ist. Die flanschförmige Ausgestaltung bingt den Vorteil mit sich, dass der Uebergang zwischen dem Ende der Stange 21 und der Hülse 16 harmonisch realisiert werden kann, und zwar in verschiedenen Varianten, da beispielsweise aussenseitig der vordere Teil der Führungshülse 16 sechskantig und der Flansch 17 rund sein kann.The operation of the element according to FIG. 1 is known from EP-PS 297 033 with the difference that, according to the present invention, the guide sleeve 16 is designed differently in the rear part. The flange-shaped configuration has the advantage that the transition between the end of the rod 21 and the sleeve 16 is realized harmoniously can be, in different variants, since for example on the outside the front part of the guide sleeve 16 can be hexagonal and the flange 17 can be round.

Das Verbindungselement nach Fig. 2 entspricht im wesentlichen der Ausführung nach Fig. 1, wobei für identische Teile die gleichen Bezugszeichen verwendet wurden. In dieser Ausführung weist jedoch die Führungsvorrichtung oder Hülse 16′ keine Oeffnung an der Mantelfläche auf.2 essentially corresponds to the embodiment according to FIG. 1, the same reference numerals being used for identical parts. In this embodiment, however, the guide device or sleeve 16 'has no opening on the outer surface.

Das Verbindungselement nach Fig. 3 hat einige gemeinsame Merkmale mit der Ausführung nach Fig. 1, wobei auch hier für entsprechende Teile die gleichen Bezugszeichen verwendet wurden. Insbesondere weist das Verbindungselement nach Fig. 3 ebenfalls einen aus einem Hülsenkopf 1 und einem Rohrteil 2 bestehenden Hülseneinsatz 3 auf, wobei der Rohrteil 2 mit einem Aussengewinde 4 versehen ist. Durch eine Durchgangsbohrung des Hülseneinsatzes 3 ist ein Bolzen 5′ geführt, dessen Kopf 6 sich auf die Stirnwand des Rohrteils 2 stützt.The connecting element according to FIG. 3 has some common features with the embodiment according to FIG. 1, the same reference numerals also being used here for corresponding parts. In particular, the connecting element according to FIG. 3 also has a sleeve insert 3 consisting of a sleeve head 1 and a tube part 2, the tube part 2 being provided with an external thread 4. Through a through hole of the sleeve insert 3, a bolt 5 'is guided, the head 6 of which is supported on the end wall of the tubular part 2.

Der Bolzen 5′ weist einen länglichen runden glatten Teil 7′, einen Führungsteil 23, dessen Querschnitt polygonal sein kann, und einen Endteil 9′ auf, der mit einem Aussengewinde 9˝ versehen ist. Zur Vereinfachung der Zeichnung sind das Knotenstück 24 und die Stange 25 nur gestrichelt angedeutet.The bolt 5 'has an elongated round smooth part 7', a guide part 23, the cross section of which can be polygonal, and an end part 9 ', which is provided with an external thread 9˝. To simplify the drawing, the node piece 24 and the rod 25 are only indicated by dashed lines.

Der Bolzen 5′ ist durch die Durchgangsbohrung einer Führungshülse 26 geführt, aus der der Endteil 9′ ragt. Beim vorderen Teil der Führungshülse 26 ist diese Durchgangsbohrung formschlüssig mit dem Führungsteil 23 des Gewindebolzens 5′ ausgebildet, so dass mit möglichst wenig Spiel eine Drehbewegung von der Führungshülse 26 an den Bolzen 5′ übertragen werden kann.The bolt 5 'is guided through the through hole of a guide sleeve 26 from which the end part 9' protrudes. In the front part of the guide sleeve 26, this through hole is positively formed with the guide part 23 of the threaded bolt 5 ', so that a rotational movement from the guide sleeve 26 to the bolt 5' can be transmitted with as little play as possible.

Die Durchgangsbohrung des vorderen Teils der Führungshülse 26 kann daher in Uebereinstimmung mit dem geführten Teil des Bolzens 5′ ebenfalls polygonal sein. Vorzugsweise sind jedoch diese Querschnitte hexagonal. Demgegenüber weist die Durchgangsbohrung im hinteren Bereich der Führungshülse 26 einen vorzugsweise runden Querschnitt auf, wobei zwischen dem runden Teil 7′ des Bolzens 5′ und der vorzugsweise zylindrischen Innenwand der Führungshülse 26 ein relativ grosser Luftspalt ist, um einen freien Raum 18′ zu bilden, in dem eine Schraubenfeder 27 untergebracht werden kann.The through hole of the front part of the guide sleeve 26 can therefore also be polygonal in accordance with the guided part of the bolt 5 '. However, these cross sections are preferably hexagonal. In contrast, the through hole in the rear region of the guide sleeve 26 has a preferably round cross section, with a relatively large air gap between the round part 7 'of the bolt 5' and the preferably cylindrical inner wall of the guide sleeve 26 to form a free space 18 ', in which a coil spring 27 can be accommodated.

An der Mantelfläche der Führungshülse 26 kann eine längliche Oeffnung 22 vorhanden sein, durch die ein Stift 15 lose einfügbar und mit dem Bolzen 5′, vorzugsweise radial in seinem Führungsteil 23, verbindbar ist.On the outer surface of the guide sleeve 26 there may be an elongated opening 22 through which a pin 15 can be inserted loosely and connected to the bolt 5 ', preferably radially in its guide part 23.

Die Feder 27 ist derart im Luftspalt angeordnet, dass sie sich rechts auf eine Büchse 28 und links auf den Stift 15 stützt, um ihn nach vorne zu drücken und mit ihm den Endteil 9′ aus der Führungshülse 26 herauszudrücken, wenn man ihn beispielsweise mit der Hand in die Führungshülse 26 hineindrückt. Die Uebertragung der Drehbewegung wird durch den Formschluss beim vorderen Teil der Führungshülse 26 bewirkt. Demgegenüber ist der Stift 15 vorgesehen, um gegebenfalls mit den Fingern den Bolzen 5 entlang der länglichen Oeffnung 22 gegen die Wirkung der Feder 27 schieben zu können.The spring 27 is arranged in the air gap such that it rests on a bushing 28 on the right and on the pin 15 on the left supports to push it forward and with it to push the end part 9 'out of the guide sleeve 26 when, for example, it is pushed into the guide sleeve 26 by hand. The transmission of the rotary movement is brought about by the positive connection in the front part of the guide sleeve 26. In contrast, the pin 15 is provided so that, if necessary, the pin 5 can be pushed with the fingers along the elongated opening 22 against the action of the spring 27.

Die Ausführung nach Fig. 3 hat die Eigenschaft, dass die Feder 27 nicht mehr in der Hülse 26 ständig eingeklemmt bleibt, wenn diese beispielsweise durch Anschrauben mit dem vorderen Teil 28′ der Büchse 28 verschlossen ist. Es ist daher leicht, die Feder 27 von der Hülse 26 zu entfernen. Diese Eigenschaft ist oft erwünscht, um die Feder 27 leicht ersetzen zu können. Neben diesem Vorteil hat das Verbindungselement nach Fig. 3 den weiteren Vorteil, dass durch den glockenförmigen Flanschring 29 einen gut zusammenpassenden Uebergang zwischen der Stange 25 und der Führungshülse 26 realisiert werden kann. Diese Ausführung kann ohne eine Oeffnung 22 irgendwelcher Art an der Mantelfläche der Führungshülse 26 hergestellt werden, weil sie sehr leicht abmontiert werden kann. Anstelle des Stifts könnte auch ein Vorsprung des Bolzens in den Teilen 7′ und/oder 23 vorgesehen sein, wobei dann die Oeffnung 22 auch vollständig bis zum hinteren Ende der Führungshülse 26 vorgesehen sein könnte.3 has the property that the spring 27 no longer remains clamped in the sleeve 26 when it is closed, for example by screwing with the front part 28 'of the sleeve 28. It is therefore easy to remove the spring 27 from the sleeve 26. This property is often desirable in order to easily replace the spring 27. In addition to this advantage, the connecting element according to FIG. 3 has the further advantage that the bell-shaped flange ring 29 provides a well-fitting transition between the rod 25 and the guide sleeve 26 can be realized. This embodiment can be made without an opening 22 of any kind on the outer surface of the guide sleeve 26 because it can be removed very easily. Instead of the pin, a projection of the bolt could also be provided in the parts 7 'and / or 23, in which case the opening 22 could also be provided completely up to the rear end of the guide sleeve 26.

In der Ausführung nach Fig. 3 ist der Flanschring 29 einstückig mit dem hinteren Ende der Führungshülse 26 verbunden. Der hintere Teil 28˝ der Büchse 28 ist flanschförmig ausgebildet.3, the flange ring 29 is integrally connected to the rear end of the guide sleeve 26. The rear part 28˝ of the sleeve 28 is flange-shaped.

Schliesslich sei noch bemerkt, dass anstelle einer Schraubenfeder auch eine seitlich montierbare beispielsweise mäanderförmig ausgestaltete Feder verwendet werden kann und dass der Flanschring und/oder die Hülse wegen Einhaltung der Toleranzen aus Druckguss beispielsweise Bronze- oder Zinkdruckguss hergestellt werden kann.Finally, it should also be noted that instead of a helical spring, a laterally mountable, for example meandering, spring can also be used and that the flange ring and / or the sleeve can be produced from die cast, for example bronze or zinc die cast, due to compliance with the tolerances.

Claims (10)

  1. A connecting element for a rod of a three-dimensional framework with a bolt (5; 5′), with a sleeve insert (3) consisting of a head (1) and a tubular part (2) and which comprises a through-bore through which the bolt (5; 5′) is guided, the bolt head (6) resting against the end wall of the tubular part (2), and with a guide sleeve (16, 16′; 26) with a front part which is so axially slidingly connected to the bolt (5; 5′) that a rotary movement of the guide sleeve (16, 16′; 26) is transmitted to the bolt (5; 5′), characterised in that at the rear end of the guide sleeve (16; 16′) there is an at least approximately bell-shaped flange ring (17; 29) connected integrally to the guide sleeve (16, 16′; 26) which defines an inner space (18) in which the head (1) of the sleeve insert (3) is accommodated and in that the minimum inside diameter of the flange ring (17; 29) in this inner space (18) is greater than the maximum cross-section of the sleeve head (1).
  2. A connecting element according to Claim 1, characterised in that the bell-shaped flange ring (17) has a chamfer (17′) in the region of the aperture of the inner space (18).
  3. A connecting element according to Claim 1 or 2, characterised in that the sleeve head (1) is not round, so that the sleeve insert (3) can be screwed onto the rod (21) with a spanner.
  4. A connecting element according to one of Claims 1 to 3, characterised in that the bell-shaped flange ring (17) has an annular wall (19) which constitutes a separation between the inner space (18) of the flange ring (17) and the inner space in the guide sleeve (16, 16′) and in that the wall (19) comprises a through-bore the diameter of which is greater than the maximum bolt diameter.
  5. A connecting element according to one of Claims 1 to 4, characterised in that the maximum outside diameter of the bell-shaped flange ring (17; 29) is equal to the outside diameter of the rod (21; 25).
  6. A connecting element according to one of Claims 1 to 5, characterised in that an end part (8) of the bolt (5) is provided with an external screw thread (9) so that the bolt (5) can be fixed in a guide insert (10) of polygonal cross-section and in that the cross-section of the through-bore in the guide sleeve (16, 16′) is polygonal and is positively connected to the guide insert (10) so that a rotary movement of the guide sleeve (16, 16′) is transmitted to the screw-threaded part of the guide insert (10).
  7. A connecting element according to one of Claims 4 to 6, characterised in that in the inner space in the guide sleeve, a coil spring (20; 27) is fitted around the bolt (5) and is biased on the wall (19).
  8. A connecting element according to one of Claims 1 to 7, characterised in that a bush (28) is provided which constitutes a separation between the inner space (18′) in the flange ring (29) and the inner space of the guide sleeve (26), and has a through-bore for the bolt and in that the bolt (5′) has a round part (7′), a guide part (23) of polygonal cross-section and an end part (9′) with an external screw thread (9˝) so that the bolt (5′) can be fixed to a nodal member (24) and in that the cross-section of the through-bore of the guide sleeve (26) is polygonal in construction to form a positive connection to the guide part (23) of the bolt (5′).
  9. A connecting element according to one of Claims 1 to 8, characterised in that the flange ring (17) is externally conical so that the larger circumference of the rod (21) can be adapted to the smaller circumference of the guide sleeve (16, 16′).
  10. A connecting element according to one of Claims 1 to 9, characterised in that the outside of the front portion of the one-piece guide sleeve (16) is hexagonal while the outer surface of its flange ring (17) is round.
EP91903784A 1990-02-16 1991-02-13 Connector Expired - Lifetime EP0469109B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH507/90 1990-02-16
CH507/90A CH680304A5 (en) 1990-02-16 1990-02-16
PCT/CH1991/000040 WO1991012384A1 (en) 1990-02-16 1991-02-13 Guide element for a connector

Publications (2)

Publication Number Publication Date
EP0469109A1 EP0469109A1 (en) 1992-02-05
EP0469109B1 true EP0469109B1 (en) 1994-06-15

Family

ID=4188592

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91903784A Expired - Lifetime EP0469109B1 (en) 1990-02-16 1991-02-13 Connector

Country Status (31)

Country Link
US (1) US5251994A (en)
EP (1) EP0469109B1 (en)
JP (1) JP3178833B2 (en)
KR (1) KR100190979B1 (en)
CN (1) CN1028664C (en)
AT (1) ATE107387T1 (en)
AU (1) AU642972B2 (en)
BG (1) BG60874B1 (en)
BR (1) BR9104408A (en)
CA (1) CA2047232C (en)
CH (1) CH680304A5 (en)
CZ (1) CZ279399B6 (en)
DE (1) DE59101926D1 (en)
DK (1) DK0469109T3 (en)
EG (1) EG19231A (en)
ES (1) ES2057867T3 (en)
FI (1) FI97311C (en)
HK (1) HK175095A (en)
HR (1) HRP940784B1 (en)
HU (1) HU211000B (en)
MX (1) MX174020B (en)
NZ (1) NZ237079A (en)
PT (1) PT96785B (en)
RU (1) RU2015424C1 (en)
SA (1) SA91120291B1 (en)
SI (1) SI9110198A (en)
SK (1) SK278573B6 (en)
TR (1) TR26129A (en)
WO (1) WO1991012384A1 (en)
YU (1) YU48027B (en)
ZA (1) ZA911142B (en)

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DE9103614U1 (en) * 1991-03-23 1992-07-16 Formus Bau- U. Profiltechnik Gmbh, 4018 Langenfeld, De
BE1006489A3 (en) * 1992-12-16 1994-09-13 Hellemans Jan & Gonzalez Y Men Connecting device for pipes
US5657604A (en) * 1995-11-27 1997-08-19 Downing Displays, Inc. Panel connector
US8585312B1 (en) * 2010-06-16 2013-11-19 Kid Knowledge, Inc. Three dimensional polyhedron frame structure
CN104373804B (en) * 2014-11-13 2017-03-15 江苏明福钢结构有限公司 A kind of functional steel truss
CN105181305B (en) * 2015-06-12 2018-03-06 攀钢集团攀枝花钢铁研究院有限公司 Ratchet wheel tensioner detection means and detection method
JP6531920B2 (en) * 2017-03-29 2019-06-19 福井県 Coupling structure of fiber reinforced plastic structural member and processing method of the coupling portion
CN108442538B (en) * 2018-03-28 2019-08-16 龙元明筑科技有限责任公司 A kind of round tube node transformational structure
CN109057005B (en) * 2018-09-14 2019-05-21 北华大学 Space truss connecting rod with locking function and the fixture for installing the connecting rod
CN113236005B (en) * 2021-04-29 2022-05-17 北京建筑大学 Assembled outer sleeve staggered flange intersecting joint and construction method thereof

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DE2260417A1 (en) * 1972-12-07 1974-06-20 Mannesmann Roehren Werke Ag NODE CONNECTION
US3982841A (en) * 1975-12-08 1976-09-28 Abraham Endzweig Connecting apparatus for frame members
SU676701A1 (en) * 1977-05-31 1979-07-30 Московский Ордена Трудового Красного Знамени Архитектурный Институт Connection assembly of three-dimensional framework rods
US4438615A (en) * 1981-11-30 1984-03-27 Space Structures International Corp. Orba-hub
AU572478B2 (en) * 1982-12-09 1988-05-12 Geodome Space Frames Pty. Ltd. Space frame structure
GB8323093D0 (en) * 1983-08-26 1983-09-28 Holt R E Demountable frames
FR2582361A1 (en) * 1985-05-22 1986-11-28 Pourteau Expl Ets Device for the multidirectional assembly of lightweight framework
JPS6351539A (en) * 1986-08-19 1988-03-04 川鉄建材工業株式会社 Joint apparatus of structural member
US4789264A (en) * 1986-09-25 1988-12-06 Galan Inchaurbe Jose M J Pipe socket connection for a spacial structure
DK164230C (en) * 1987-05-26 1992-10-26 Syma Intercontinental Sa CONNECTION ELEMENT
ZA883392B (en) * 1987-08-09 1990-01-31 Alois Kohl Rainer Space frame assembly
US4822199A (en) * 1987-08-10 1989-04-18 Unistrut International Corp. Modular frame structure
CH680303A5 (en) * 1990-02-16 1992-07-31 Syma Intercontinental Sa

Also Published As

Publication number Publication date
HU913258D0 (en) 1992-01-28
RU2015424C1 (en) 1994-06-30
JP3178833B2 (en) 2001-06-25
CH680304A5 (en) 1992-07-31
KR100190979B1 (en) 1999-06-15
HK175095A (en) 1995-11-24
SA91120291B1 (en) 2005-05-23
PT96785A (en) 1993-01-29
CA2047232A1 (en) 1991-08-17
BR9104408A (en) 1992-04-21
YU19891A (en) 1996-01-08
US5251994A (en) 1993-10-12
BG60874B1 (en) 1996-05-31
CZ279399B6 (en) 1995-04-12
CN1028664C (en) 1995-05-31
NZ237079A (en) 1993-05-26
HRP940784B1 (en) 1998-06-30
HRP940784A2 (en) 1996-12-31
CN1054123A (en) 1991-08-28
SI9110198A (en) 1997-06-30
EG19231A (en) 1994-08-30
EP0469109A1 (en) 1992-02-05
WO1991012384A1 (en) 1991-08-22
DK0469109T3 (en) 1994-07-11
ZA911142B (en) 1991-11-27
PT96785B (en) 1998-08-31
FI914853A0 (en) 1991-10-15
ES2057867T3 (en) 1994-10-16
YU48027B (en) 1996-10-09
FI97311B (en) 1996-08-15
SK278573B6 (en) 1997-10-08
KR920701588A (en) 1992-08-12
FI97311C (en) 1996-11-25
AU7223091A (en) 1991-09-03
HU211000B (en) 1995-09-28
HUT58871A (en) 1992-03-30
AU642972B2 (en) 1993-11-04
CS9100404A2 (en) 1991-09-15
DE59101926D1 (en) 1994-07-21
ATE107387T1 (en) 1994-07-15
MX174020B (en) 1994-04-14
JPH04504745A (en) 1992-08-20
TR26129A (en) 1995-02-15
CA2047232C (en) 2001-07-24

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