DE4133520A1 - Removable joint for joining plates partic. joining work tables - has holes carrying recessed tension bolts within close fitting sleeves to support bending loads - Google Patents

Removable joint for joining plates partic. joining work tables - has holes carrying recessed tension bolts within close fitting sleeves to support bending loads

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Publication number
DE4133520A1
DE4133520A1 DE19914133520 DE4133520A DE4133520A1 DE 4133520 A1 DE4133520 A1 DE 4133520A1 DE 19914133520 DE19914133520 DE 19914133520 DE 4133520 A DE4133520 A DE 4133520A DE 4133520 A1 DE4133520 A1 DE 4133520A1
Authority
DE
Germany
Prior art keywords
plates
sleeve
joining
bores
partic
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.)
Withdrawn
Application number
DE19914133520
Other languages
German (de)
Inventor
Gerald Hess
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.)
Duerkopp Adler AG
Original Assignee
Duerkopp Adler AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Duerkopp Adler AG filed Critical Duerkopp Adler AG
Priority to DE19914133520 priority Critical patent/DE4133520A1/en
Publication of DE4133520A1 publication Critical patent/DE4133520A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B87/00—Sectional furniture, i.e. combinations of complete furniture units, e.g. assemblies of furniture units of the same kind such as linkable cabinets, tables, racks or shelf units
    • A47B87/002—Combination of tables; Linking or assembling means therefor
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B75/00—Frames, stands, tables, or other furniture adapted to carry sewing machines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
    • F16B12/12—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics
    • F16B12/14—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using threaded bolts or screws
    • F16B12/18—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using threaded bolts or screws using drawing bars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M5/00—Engine beds, i.e. means for supporting engines or machines on foundations

Abstract

Two plates (1,1a) have a removable joint consisting of a hole perpendicular to the junction which eends in cut-outs (4,4a) in the plates. A sleeve (5) carrying a threaded bolt (6) is inserted in the hole. The bolt carries discs (7,7a) and nuts (8,8a) within the cut-outs. The length of the sleeve (5) is pref. no greater than the sum of the hole lengths (LB2,LB2a) and the bolt (6) is longer than the sleeve. The discs (7,7a) can be U-shaped and the diameter of the hole is only slightly larger than the dia. of the sleeve. USE/ADVANTAGE - The joint can carry bending loads and is particularly useful for joining work tables.

Description

Die Erfindung betrifft eine Einrichtung zum lösbaren Verbinden von Platten, wie beispielsweise Arbeitsplatten oder Tischplatten für Maschinengestelle, insbesondere Nähmaschinengestelle.The invention relates to a device for detachable Joining panels such as countertops or table tops for machine frames, in particular Sewing machine frames.

Es ist bekannt, Arbeitplatten dadurch miteinander zu verbinden, daß in die Unterseite der miteinander zu verbindenden Arbeitsplatten eine T-förmige Nut eingefräst wird. Wenn die beiden Platten in der zu verbindenden Stellung aneinander gelegt werden, ergeben die beiden T­ förmigen Nuten in ihrer Einheit eine H-förmige Ausfräsung. In diese Ausfräsung wird ein sogenannter Arbeitsplatten- Verbinder eingelegt, der aus einer üblichen Schloßschraube mit zwei Kopfplatten, die entweder rechteckig oder gebogen sind, besteht. Diese Kopfplatten stützen den Arbeitsplatten-Verbinder in jeder der T-förmigen Nut ab und durch Festziehen der Mutter auf der Schloßschraube werden die Arbeitsplatten über die Kopfplatten verspannt. Derartige Arbeitsplatten-Verbinder werden beispielsweise von der Jäger & Frese GmbH vertrieben.It is known to work surfaces together connect that to the bottom of each other too connecting worktops milled a T-shaped groove becomes. If the two plates in the to be joined Positioned together, the two T shaped grooves in their unit an H-shaped cut. In this cutout, a so-called worktop Connector inserted from a standard lock screw with two top plates, either rectangular or curved are. These head plates support the Countertop connectors in each of the T-shaped grooves from time to time by tightening the nut on the lock screw the worktops clamped over the head plates. Such worktop connectors are, for example distributed by Jäger & Frese GmbH.

Eine so ausgestaltete Verbindung zweier Platten kann zwar Kräfte in Längsrichtung übernehmen, Biegekräfte, die daraus resultieren daß die verbundenen Platten von oben belastet werden, sind nur dann auffangbar, wenn die Verschraubung fest angezogen ist, weil sie über die Kopfplatten eingeleitet und von der Schloßschraube aufgefangen werden.Such a connection between two plates can Take over forces in the longitudinal direction, bending forces resulting from it result that the connected plates are loaded from above can only be caught if the screw connection is tightened because it is over the headstock initiated and caught by the lock screw.

Bei derartig verbundenen Arbeitsplatten insbesondere an Maschinengestellen, die einer schwingenden Belastung unterworfen sind, besteht die Gefahr, daß sich die Verschraubung lockert. Der Arbeitsplatten-Verbinder fällt dann aus der Nut heraus und die Plattenverbindung bricht auseinander.In such connected worktops in particular Machine frames that have an oscillating load  are subject to the danger that the Screw connection loosens. The worktop connector falls then out of the groove and the plate connection breaks apart.

Es ist daher Aufgabe der Erfindung, eine Einrichtung zum lösbaren Verbinden von Platten anzugeben, die auch bei schwingender Belastung eine betriebssichere Verbindung bietet, die hohe Biegekräfte aufnehmen kann und kostengünstig herstellbar ist.It is therefore an object of the invention to provide a device for specify releasable connection of plates, which also at an operationally reliable connection offers that can absorb high bending forces and is inexpensive to manufacture.

Die Lösung der Aufgabe erfolgt durch die Merkmale des Anspruchs 1.The task is solved by the characteristics of Claim 1.

Durch die in die Bohrung eingesteckte Hülse ist zwischen den Platten eine biegefeste Verbindung hergestellt. Dadurch daß keine nach unten offene durchgehende Nut vorhanden ist, kann selbst dann, wenn die Klemmkräfte durch Lockern der Mutter auf den Bolzen nachlassen die Verbindung aufrechterhalten werden.The sleeve inserted into the bore is between the plates have a rigid connection. Thereby that there is no continuous groove open downwards, can, even if the clamping forces by loosening the Nut on the bolt loosen the connection be maintained.

Mit der Ausbildung der Erfindung nach Anspruch 2 und/oder 4 wird die Betriebssicherheit erhöht.With the formation of the invention according to claim 2 and / or 4th operational safety is increased.

Anhand einer Zeichnung soll die Erfindung nachfolgend näher erläutert werden.The invention will be described in more detail below with the aid of a drawing are explained.

Es zeigt:It shows:

Fig. 1 die Draufsicht von unten (Rückseite) einer aus drei miteinander verbundenen Platten bestehenden Arbeitsplatte, Fig. 1 the existing plan view from below (back) of a three interconnected panels worktop,

Fig. 2 den Schnitt entlang der Linie II-II nach Fig. 1, Fig. 2 shows the section along the line II-II of FIG. 1,

Fig. 3 die Arbeitsplatte nach Fig. 1 in perspektivischer Explosionsdarstellung, Fig. 3, the operation panel of Fig. 1 in a perspective exploded view,

Fig. 4 die perspektivische Darstellung des Arbeitsplatten-Verbinders, Fig. 4 is a perspective view of the work board connector,

Fig. 5 eine Einzelheit aus Fig. 1. Fig. 5 is a detail in FIG. 1.

Die aus den Platten 1, 1a, 1b zusammengesetzte Arbeitsplatte A ist beispielsweise die Abschlußplatte für ein Maschinengestell und weist hierzu die Ausnehmung 10 auf, die z. B. eine hier nicht näher dargestellte Nähmaschine aufnimmt. Die miteinander verbundenen bzw. zu verbindenden Platten 1, 1a, 1b sind jeweils gegenüberliegend mit einer Bohrung 2, 2a, 2b, die seitlich an den Seitenkanten 11, 11a, 11b, mit denen sie später zusammenstoßen, in die Platte eingebracht sind, versehen.The worktop A composed of the plates 1 , 1 a, 1 b is, for example, the end plate for a machine frame and has for this purpose the recess 10 which, for. B. receives a sewing machine, not shown here. The interconnected or to be connected plates 1 , 1 a, 1 b are opposite each other with a bore 2 , 2 a, 2 b, which laterally on the side edges 11 , 11 a, 11 b, with which they collide, in the Plate are introduced, provided.

In Höhe des Endes 3, 3a, 3b jeder Bohrung 2, 2a, 2b ist von der Rückseite der Platten 1, 1a, 1b je ein Loch oder eine Ausnehmung 4, 4a, 4b vorgesehen. In der Figur sind diese Ausnehmungen 4, 4a, 4b oval dargestellt. Sie könnten aber ebensogut auch rund oder rechteckig ausgeführt sein. Diese Ausnehmungen 4, 4a, 4b verlaufen rechtwinkelig zur Achse der Bohrungen 2, 2a, 2b und reichen so tief in die Platten 1, 1a, 1b hinein, daß die Bohrung 2, 2a, 2b vollständig geschnitten und somit nach hinten geöffnet wird.At the level of the end 3 , 3 a, 3 b of each hole 2 , 2 a, 2 b, a hole or a recess 4 , 4 a, 4 b is provided from the rear of the plates 1 , 1 a, 1 b. In the figure, these recesses 4 , 4 a, 4 b are shown oval. But they could just as well be round or rectangular. These recesses 4 , 4 a, 4 b extend at right angles to the axis of the bores 2 , 2 a, 2 b and extend so deep into the plates 1 , 1 a, 1 b that the bore 2 , 2 a, 2 b are completely cut and is thus opened to the rear.

In jeder der miteinander zu verbindenden Platten 1, 1a, 1b ist mindestens eine Bohrung 2, 2a, 2b vorgesehen. Die Anzahl der Verbindungsstellen und damit natürlich auch die Anzahl vorzusehener Bohrungen 2, 2a, 2b ist natürlich abhängig von der später auf den Plattenverbund einwirkenden Belastung. So werden beispielsweise bei einem nicht weiter abgestützten, freitragenden Ansatz der Platten 1a, 1b an die das hier nicht dargestellte Gestell abschließende Platte 1 in jeder Platte 1, 1a, 1b mindestens zwei an die andere Platte 1, 1a, 1b heranreichende Verbindungsstellen geschaffen werden.In each of the plates 1 , 1 a, 1 b to be connected to one another, at least one bore 2 , 2 a, 2 b is provided. The number of connection points and, of course, the number of holes 2 , 2 a, 2 b to be provided is of course dependent on the load that will later act on the panel assembly. For example, in the case of an unsupported, unsupported approach of the plates 1 a, 1 b to the plate 1 that closes the frame (not shown here ) in each plate 1 , 1 a, 1 b, at least two to the other plate 1 , 1 a, 1 b Reaching junctions are created.

Die Verbindung der Platten 1, 1a, 1b miteinander erfolgt dadurch, daß in die durchmessergleichen Bohrungen 2, 2a, 2b eine Hülse 5 mit einem darin aufgenommenen Gewindebolzen 6 eingesteckt wird. Die Hülse 5 ist so lang wie die Summe der Länge (LB2, LB2a, LB2b) der zueinander fluchtenden Bohrungen 2, 2a, 2b. Der in der Hülse 5 aufgenommene Gewindebolzen 6 ist länger als die Hülse 5, so daß er über die Hülse 5 in die Ausnehmungen 4, 4a, 4b hineinragt. Auf die Enden des Gewindebolzens 6 sind die Scheiben 7, 7a aufgesteckt und werden über die Muttern 8, 8a und die zwischengelegten Unterlegscheiben 9, 9a auf dem Gewindebolzen 6 verschraubt. In Fig. 4 sind die Scheiben 7, 7a einseitig offen, also U-förmig dargestellt. Dies erlaubt insbesondere bei relativ dünnen Platten, die Scheiben 7, 7a radial auf den Gewindebolzen 6 aufzustecken. Es könnten natürlich auch geschlossene Scheiben mit zentraler Bohrung verwendet werden. In diesem Fall wären nur die Ausnehmungen 4, 4a, 4b entsprechend tief auszubilden, damit eine Handhabung möglich ist. Die Scheiben 7, 7a stützen sich vor den Bohrungen 2, 2a, 2b in den Ausnehmungen 4, 4a, 4b ab, wodurch die feste Verbindung der Platten 1, 1a, 1b erzielt wird. Der Außendurchmesser der Hülse 5 ist nur geringfügig kleiner als der Durchmesser der Bohrungen 2, 2a, 2b. Dadurch werden Biegekräfte wirkungsvoll aufgefangen.The plates 1 , 1 a, 1 b are connected to one another by inserting a sleeve 5 with a threaded bolt 6 accommodated therein into the same-diameter bores 2 , 2 a, 2 b. The sleeve 5 is as long as the sum of the lengths (L B2 , L B2a , L B2 b) of the mutually aligned bores 2 , 2 a, 2 b. The threaded bolt 6 received in the sleeve 5 is longer than the sleeve 5 , so that it projects into the recesses 4 , 4 a, 4 b via the sleeve 5 . On the ends of the threaded bolt 6 , the washers 7 , 7 a are attached and are screwed onto the threaded bolt 6 via the nuts 8 , 8 a and the washers 9 , 9 a placed between them. In Fig. 4, the discs 7 , 7 a are open on one side, that is shown in a U-shape. In the case of relatively thin plates in particular, this allows the disks 7 , 7 a to be placed radially on the threaded bolt 6 . Of course, closed discs with a central bore could also be used. In this case, only the recesses 4 , 4 a, 4 b would have to be made correspondingly deep so that handling is possible. The discs 7 , 7 a are supported in front of the bores 2 , 2 a, 2 b in the recesses 4 , 4 a, 4 b, whereby the firm connection of the plates 1 , 1 a, 1 b is achieved. The outer diameter of the sleeve 5 is only slightly smaller than the diameter of the bores 2 , 2 a, 2 b. This effectively absorbs bending forces.

Claims (4)

1. Einrichtung zum lösbaren Verbinden von Platten mit folgenden Merkmalen:
  • a) in jeder der zu verbindenden Platten (1, 1a, 1b) ist mindestens eine senkrecht zu der Verbindungskante (11, 11a, 11b) verlaufende Bohrung (2, 2a, 2b), die bei miteinander verbundenen Platten (1, 1a, 1b) zueinander fluchten, vorgesehen,
  • b) am Ende (3, 3a, 3b) der Bohrungen (2, 2a, 2b) ist einseitig in jeder der Platten (1, 1a, 1b) senkrecht zur Bohrungsachse eine die Bohrungen (2, 2a, 2b) schneidende Ausnehmung (4, 4a, 4b) vorgesehen,
  • c) einer in die Bohrungen (2, 2a, 2b) einsteckbaren Hülse (5),
  • d) einem in die Hülse (5) einsteckbaren Gewindebolzen (6),
  • e) zwei Scheiben (7, 7a) zum Aufstecken auf je ein Ende des Gewindebolzens (6),
  • f) zwei Muttern (8, 8a) zum Festschrauben der Scheiben (7, 7a) auf dem in die Hülse (5) eingesteckten Gewindebolzen (6) gegen das Ende der Bohrungen (2, 2a) innerhalb der Ausnehmungen (4, 4a, 4b).
1. Device for releasably connecting plates with the following features:
  • a) in each of the plates to be connected ( 1 , 1 a, 1 b) is at least one bore ( 2 , 2 a, 2 b) running perpendicular to the connecting edge ( 11 , 11 a, 11 b), which in the case of connected plates ( 1 , 1 a, 1 b) aligned with one another, provided
  • b) at the end ( 3 , 3 a, 3 b) of the bores ( 2 , 2 a, 2 b) on one side in each of the plates ( 1 , 1 a, 1 b) one of the bores ( 2 , 2 a , 2 b) cutting recess ( 4 , 4 a, 4 b) is provided,
  • c) a sleeve ( 5 ) which can be inserted into the bores ( 2 , 2 a, 2 b),
  • d) a threaded bolt ( 6 ) which can be inserted into the sleeve ( 5 ),
  • e) two washers ( 7 , 7 a) for attachment to one end of the threaded bolt ( 6 ),
  • f) two nuts ( 8 , 8 a) for screwing the washers ( 7 , 7 a) onto the threaded bolt ( 6 ) inserted into the sleeve ( 5 ) against the end of the bores ( 2 , 2 a) inside the recesses ( 4 , 4 a, 4 b).
2. Einrichtung nach Anspruch 1, bei der die Länge (LH) der Hülse (5) maximal der summierten Länge (LB2, LB2a) der jeweils miteinander fluchtenden Bohrungen (2, 2a, 2b) entspricht und der Gewindebolzen (6) länger als die Hülse (5) ist.2. Device according to claim 1, wherein the length (L H ) of the sleeve ( 5 ) corresponds at most to the total length (L B2 , L B2a ) of the respectively aligned bores ( 2 , 2 a, 2 b) and the threaded bolt ( 6 ) is longer than the sleeve ( 5 ). 3. Einrichtung nach Anspruch 1, bei der die Scheiben (7, 7a) einseitig offen (U-förmig) ausgestaltet sind. 3. Device according to claim 1, wherein the disks ( 7 , 7 a) are open on one side (U-shaped). 4. Einrichtung nach Anspruch 1, bei der der Durchmesser (DB) der Bohrungen (2, 2a, 2b) nur geringfügig größer als der Durchmesser (DH) der Hülse (5) ist.4. Device according to claim 1, wherein the diameter (D B ) of the bores ( 2 , 2 a, 2 b) is only slightly larger than the diameter (D H ) of the sleeve ( 5 ).
DE19914133520 1991-10-10 1991-10-10 Removable joint for joining plates partic. joining work tables - has holes carrying recessed tension bolts within close fitting sleeves to support bending loads Withdrawn DE4133520A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19914133520 DE4133520A1 (en) 1991-10-10 1991-10-10 Removable joint for joining plates partic. joining work tables - has holes carrying recessed tension bolts within close fitting sleeves to support bending loads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19914133520 DE4133520A1 (en) 1991-10-10 1991-10-10 Removable joint for joining plates partic. joining work tables - has holes carrying recessed tension bolts within close fitting sleeves to support bending loads

Publications (1)

Publication Number Publication Date
DE4133520A1 true DE4133520A1 (en) 1993-04-22

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Application Number Title Priority Date Filing Date
DE19914133520 Withdrawn DE4133520A1 (en) 1991-10-10 1991-10-10 Removable joint for joining plates partic. joining work tables - has holes carrying recessed tension bolts within close fitting sleeves to support bending loads

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DE (1) DE4133520A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002001084A1 (en) * 2000-06-27 2002-01-03 Kaindl, M. Device for connecting two sheets, in particular work sheets
WO2003095847A1 (en) * 2002-05-13 2003-11-20 Scott Smith A bench fastener
WO2005095805A1 (en) * 2004-03-29 2005-10-13 D P Bakewell Limited Arrangements for joining members together

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7111364U (en) * 1971-11-04 Lehmann H Corner connection set, preferably flat construction parts
GB2176863A (en) * 1985-06-21 1987-01-07 William Frank Price Insulated coupling
DE3713483A1 (en) * 1987-04-22 1988-11-03 Blum Gmbh Julius Tensile-load connector for pressing together two constructional elements

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7111364U (en) * 1971-11-04 Lehmann H Corner connection set, preferably flat construction parts
GB2176863A (en) * 1985-06-21 1987-01-07 William Frank Price Insulated coupling
DE3713483A1 (en) * 1987-04-22 1988-11-03 Blum Gmbh Julius Tensile-load connector for pressing together two constructional elements

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002001084A1 (en) * 2000-06-27 2002-01-03 Kaindl, M. Device for connecting two sheets, in particular work sheets
US6942418B2 (en) 2000-06-27 2005-09-13 Kaindl, M Device for connecting two sheets, in particular work sheets
WO2003095847A1 (en) * 2002-05-13 2003-11-20 Scott Smith A bench fastener
WO2005095805A1 (en) * 2004-03-29 2005-10-13 D P Bakewell Limited Arrangements for joining members together

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