DE19514752A1 - Device for connecting two cylindrical pipe sections - Google Patents
Device for connecting two cylindrical pipe sectionsInfo
- Publication number
- DE19514752A1 DE19514752A1 DE1995114752 DE19514752A DE19514752A1 DE 19514752 A1 DE19514752 A1 DE 19514752A1 DE 1995114752 DE1995114752 DE 1995114752 DE 19514752 A DE19514752 A DE 19514752A DE 19514752 A1 DE19514752 A1 DE 19514752A1
- Authority
- DE
- Germany
- Prior art keywords
- connecting elements
- pipe
- screw bolt
- elements
- verbindungsele
- 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- Withdrawn
Links
- 238000000034 method Methods 0.000 claims description 2
- 210000003608 fece Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/02—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections with conical parts
- F16B7/025—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections with conical parts with the expansion of an element inside the tubes due to axial movement towards a wedge or conical element
-
- 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
- F16B12/40—Joints for furniture tubing
-
- 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
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/04—Clamping or clipping connections
- F16B7/0406—Clamping or clipping connections for rods or tubes being coaxial
- F16B7/0413—Clamping or clipping connections for rods or tubes being coaxial for tubes using the innerside thereof
-
- 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
- F16B12/40—Joints for furniture tubing
- F16B2012/403—Joints for furniture tubing with inserts for joining tubes coaxially
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zum Verbinden zweier zylindrischer Rohrstücke mit zwei in je eines der einander zugewandten Rohrstückenden kraftschlüssig einpreßbaren, durch einen Gewindebolzen miteinander verbindbaren Verbindungselementen.The invention relates to a device for connecting two cylindrical tube pieces with two in one each the mutually facing pipe ends non-positively pressable, by a threaded bolt together connectable fasteners.
Es ist bereits vom Anmelder vorgeschlagen worden (DE-U 29500415.0), die mit einem koaxialen Schraubbolzen und einer entsprechenden Gewindebohrung versehenen Ver bindungselemente unter Vorspannung in die einander zu gewandten Rohrstückenden einzupressen und anschließend durch Eindrehen des Schraubbolzens in die Gewindeboh rung miteinander zu verbinden. Diese Art der Verbindung hat den Nachteil, daß eine Vormontage der im Preßsitz in die Rohrstücke einzupassenden Verbindungselemente im Zuge der Fertigung erforderlich ist. Hinzu kommt, daß Toleranzen, die im Bereich der Rohrherstellung und der Verbindungselementherstellung auftreten können, nicht kompensierbar sind.It has already been proposed by the applicant (DE-U 29500415.0) with a coaxial screw bolt and a corresponding threaded hole Ver binding elements under tension in each other press in the end of the pipe and then by screwing the bolt into the threaded hole connection with each other. That kind of connection has the disadvantage that a pre-assembly of the press fit connecting elements to be fitted into the pipe sections Train is required. On top of that Tolerances in the field of pipe manufacturing and Fastener fabrication cannot occur are compensable.
Ausgehend hiervon liegt der Erfindung die Aufgabe zu grunde, eine Verbindungsvorrichtung der eingangs ange gebenen Art zu entwickeln, die einfach handhabbar und vor Ort montierbar ist und mit der auch bei großen To leranzabweichungen in der Rohr- und Verbindungselement herstellung ein Toleranzausgleich möglich ist. Based on this, the object of the invention reasons, a connecting device of the beginning given type to develop that is easy to handle and can be assembled on site and with the even with large To Tolerance deviations in the pipe and connecting element tolerance compensation is possible.
Zur Lösung dieser Aufgabe wird die im Anspruch 1 ange gebene Merkmalskombination vorgeschlagen. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung erge ben sich aus den Unteransprüchen.To solve this problem is set out in claim 1 given combination of features proposed. Beneficial Refinements and developments of the invention are derived from the subclaims.
Der erfindungsgemäßen Lösung liegt der Gedanke zugrun de, daß die beiden Verbindungselemente an ihren axial einander abgewandten Seiten unter Herstellung des Kraftschlusses mit den Rohrstücken radial aufspreizbar sind und daß der Schraubbolzen durch miteinander fluch tende Axialbohrungen der beiden Verbindungselemente hindurchgreift und an seinem einen Ende ein gegen das eine Verbindungselement anpreßbaren Spreizkopf und an sei nem anderen Ende eine gegen das andere Verbindungselement anpreßbare Spreizmutter trägt.The solution to the invention is based on the idea de that the two connecting elements at their axial sides facing each other, producing the Non-positive connection with the pipe sections radially spread are and that the bolt by curse with each other end axial bores of the two connecting elements reaches through and at one end against the a connecting element pressable expansion head and be at the other end one against the other connecting element pressable expanding nut.
Eine bevorzugte Ausgestaltung der Erfindung sieht vor, daß die Verbindungselemente an ihren axial einander ab gewandten Seiten je einen axial nach außen divergie renden Innenkonus aufweisen und im Bereich des Innen konus radial aufspreizbar sind, und daß der Spreizkopf und die Spreizmutter einen in je einen der Innenkonen eingreifenden Außenkonus aufweisen.A preferred embodiment of the invention provides that the connecting elements at their axially from each other facing sides each have an axially outward diverging have inner cone and in the area of the inside Radially expandable cone, and that the expansion head and the expansion nut one in each of the inner cones have engaging outer cone.
Die Verbindungselemente bestehen zweckmäßig aus einem elastomeren Material. Zur Verbesserung ihrer Spreizfä higkeit weisen die Verbindungselemente im Bereich ihres Innenkonus mindestens einen vorzugsweise randoffenen Axialschlitz auf.The connecting elements suitably consist of one elastomeric material. To improve their spreading ability show the connection elements in the area of their Inner cone at least one preferably open edge Axial slot on.
Eine weitere vorteilhafte Ausgestaltung der Erfindung sieht vor, daß die mit den durch den Schraubbolzen mit einander verbundenen Verbindungselementen bestückten Rohrstücke durch gegenseitiges Verdrehen um ihre Rohr achse miteinander verbindbar sind. Zu diesem Zweck weist eines der Verbindungselemente zweckmäßig einen zur Axialbohrung konzentrischen Bund auf, an dessen einander abgewandten axialen Begrenzungsflächen die beiden miteinander zu verbindenden Rohrstückenden axial abstützbar sind. Um eine exakte Führung der Verbin dungselemente während des Verbindungsvorgangs zu ge währleisten, wird gemäß einer vorteilhaften Ausgestal tung der Erfindung vorgeschlagen, daß die Verbindungs elemente an ihren einander zugewandten Stirnflächen mit zur Axialbohrung konzentrischen Teilen ineinandergrei fen. Zweckmäßig ist hierzu das eine Verbindungselement länger als das andere Verbindungselement ausgebildet und greift mit seinem dem anderen Verbindungselement zugewandten Ende in das benachbarte Rohrstückende ein. Der Bund ist in diesem Falle am längeren Verbindungs element angeordnet.Another advantageous embodiment of the invention stipulates that with the through the bolt assembled connecting elements equipped Pieces of pipe by twisting them around each other Axis are interconnectable. To this end expediently has one of the connecting elements to the axial bore concentric collar, at the axial boundary surfaces facing away from one another axially both pipe ends to be connected are supported. For an exact guidance of the verbin elements during the connection process ensure, is according to an advantageous embodiment tion of the invention proposed that the connection elements on their mutually facing end faces for axial drilling concentric parts fen. The one connecting element is expedient for this purpose longer than the other connecting element and engages with the other connecting element facing end into the adjacent pipe end. The federal government is in this case at the longer connection element arranged.
Zur Herstellung der Verbindung unter Verwendung der erfindungsgemäßen Vorrichtung werden zunächst die Ver bindungselemente mit Hilfe des Schraubbolzens und der Spreizmutter lose miteinander verbunden und in diesem Zustand bis zum Anschlag gegen den Bund in die beiden Rohrstückenden eingesteckt. Anschließend werden die beiden Rohrstücke um ihre Achse gegeneinander in Spann richtung des Schraubbolzens unter Friktionsmitnahme der beiden Verbindungselemente bis zur Herstellung eines Kraftschlusses gegeneinander verdreht.To make the connection using the device according to the invention are first the Ver binding elements with the help of the bolt and the Spreading nut loosely connected and in this Condition up to the stop against the federal government in the two Pipe ends inserted. Then the two pipe pieces around their axes in tension against each other direction of the bolt with the friction of the two fasteners to make one Force twisted against each other.
Im folgenden wird die Erfindung anhand eines in der Zeichnung in schematischer Weise dargestellten Ausfüh rungsbeispiels näher erläutert. Es zeigenIn the following the invention is based on one in the Drawing shown in a schematic manner example explained in more detail. Show it
Fig. 1 zwei mittels einer Verbindungsvorrichtung mit einander verbundene Rohrstücke in geschnittener Darstellung; Figure 1 shows two sections of pipe connected by means of a connecting device in a sectional view.
Fig. 2a und b das eine Verbindungselement der Verbin dungsvorrichtung in einer Seitenansicht und im Längsschnitt; Figures 2a and b, the a connection element of the Verbin-making apparatus in a side view and in longitudinal section.
Fig. 3a und b das andere Verbindungselement der Verbin dungsvorrichtung in einer Seitenansicht und im Längsschnitt; FIGS. 3a and b the other connecting element the Verbin-making apparatus in a side view and in longitudinal section;
Fig. 4a und b eine Seitenansicht des Schraubbolzens mit Konuskopf und einen Schnitt durch die Konusmut ter der Verbindungsvorrichtung. Fig. 4a and b is a side view of the bolt with a cone head and a section through the Konusmut ter of the connecting device.
Die in Fig. 1 gezeigte Rohrverbindung ist beispielswei se für Tragsäulen bestimmt, die nach dem Teleskopprin zip zwischen Fußboden und Decke eines Wohnraums ein spannbar sind. Die beiden Rohrstücke 10, 10′ sind mit einer in ihrem Inneren angeordneten Verbindungsvorrich tung 12 an ihren einander zugewandten Enden 14 stumpf miteinander verbunden. Die Verbindungsvorrichtung weist hierzu zwei Verbindungselemente 16, 18 auf, die durch einen Schraubbolzen 20 und eine Spreizmutter 22 nach Art eines Zugankers miteinander verbindbar sind. Die Verbindungselemente 16, 18 weisen hierzu miteinander fluchtende Axialbohrungen 24, 26 auf, durch die der Schraubbolzen 20 mit seinem Schaft hindurchgreift. Die Verbindungselemente weisen an ihren einander axial abge wandten Seiten je einen axial nach außen divergierenden Innenkonus 28, 30 sowie je zwei randoffene Axialschlit ze 32, 34 auf. Andererseits ist der Schraubbolzen mit einem konischen Spreizkopf 36 und die Spreizmutter 22 mit einem Außenkonus 38 versehen, die im montierten Zustand in je einen der Innenkonen 38, 30 der Verbin dungselemente 16, 18 eingreifen.The pipe connection shown in Fig. 1 is, for example, se intended for support columns, which according to the Teleskopprin zip between the floor and ceiling of a living space are an exciting. The two pieces of pipe 10 , 10 'are connected with a device arranged in their interior Verbindungsvorrich 12 at their mutually facing ends 14 butt. For this purpose, the connecting device has two connecting elements 16 , 18 which can be connected to one another by a screw bolt 20 and an expansion nut 22 in the manner of a tie rod. For this purpose, the connecting elements 16 , 18 have axial bores 24 , 26 which are aligned with one another and through which the screw bolt 20 engages with its shaft. The connecting elements each have an axially diverging inner cone 28 , 30 and two edge-open axial slots 32 , 34 on their axially facing sides. On the other hand, the bolt having a conical expanding head 36, and the expansion nut is provided with an outer cone 38 22, the manure elements in the assembled state in each one of the inner cones 38, 30 of the Verbin 16 engage 18th
Das eine Verbindungselement 16 ist länger als das ande re Verbindungselement 18 ausgebildet und weist einen radial nach außen überstehenden Bund 40 auf, an dessen axialen Begrenzungsflächen sich die Rohrstücke 10, 10′ im montierten Zustand abstützen. Weiter ist das eine Verbindungselement 16 mit einer stirnseitigen Ringaus nehmung 42 versehen, in das ein stirnseitig überstehen der Ringzapfen 44 des kürzeren Verbindungselements 18 eingreift.One connecting element 16 is longer than the other connecting element 18 and has a radially outwardly projecting collar 40 , on the axial boundary surfaces of which the tube pieces 10 , 10 'are supported in the assembled state. Furthermore, the one connecting element 16 is provided with an end-face recess 42 in which a protruding end of the annular pin 44 of the shorter connecting element 18 engages.
Zur Herstellung der Rohrverbindung werden zunächst die Verbindungselemente 16, 18 mit Hilfe des Schraubbolzens 20 und der Spreizmutter 22 lose miteinander verbunden und in diesem Zustand bis zum Anschlag gegen den Bund 40 in die beiden einander zugewandten Enden 14 der Rohrstücke 10, 10′ eingeführt. Sodann werden die beiden Rohrstücke 10, 10′ um ihre Achse gegeneinander in Spann richtung des Schraubbolzens 20 unter Reibungsmitnahme der beiden Verbindungselemente 16, 18 verdreht, so daß beim Eindringen der Außenkonen 36, 38 in die Innenkonen 28, 30 die Verbindungselemente 16, 18 im Bereich ihrer Axialschlitze 32, 34 aufgespreizt und kraftschlüssig gegen die Innenfläche der Rohrstücke 10, 10′ angepreßt werden.To produce the pipe connection, the connecting elements 16 , 18 are first loosely connected to one another with the aid of the screw bolt 20 and the expanding nut 22 and in this state up to the stop against the collar 40 into the two mutually facing ends 14 of the pipe sections 10 , 10 '. Then the two pieces of pipe 10 , 10 'are rotated about their axes against each other in the clamping direction of the bolt 20 with frictional entrainment of the two connecting elements 16 , 18 , so that when the outer cones 36 , 38 penetrate into the inner cones 28 , 30, the connecting elements 16 , 18 in Area of their axial slots 32 , 34 spread and non-positively pressed against the inner surface of the pipe sections 10 , 10 '.
Zusammenfassend ist folgendes festzustellen: Die Erfin dung bezieht sich auf eine Vorrichtung zum Verbinden zweier zylindrischer Rohrstücke 10, 10′ mit zwei in je eines der einander zugewandten Rohrstückenden 14 kraft schlüssig einpreßbaren, durch einen Schraubbolzen 20 miteinander verbindbaren Verbindungselementen 16, 18. Erfindungsgemäß sind die beiden Verbindungselemente 16, 18 an ihren axial einander abgewandten Seiten unter Herstellung des Kraftschlusses mit den Rohrstücken 10, 10′ radial aufspreizbar. Der Schraubbolzen 20 greift durch miteinander fluchtende Axialbohrungen 24, 26 der Verbindungselemente hindurch und trägt an seinem einen Ende einen gegen das eine Verbindungselement 16 anpreß baren Spreizkopf 36 und an seinem anderen Ende eine gegen das andere Verbindungselement 18 anpreßbare Spreizmutter 22.In summary, the following can be stated: The OF INVENTION dung relates to a device for connecting two cylindrical pipe sections 10, einpreßbaren 10 'with two in each case one of the facing pipe section ends 14 frictionally by a threaded bolt 20 interconnectable connecting elements 16, 18th According to the invention, the two connecting elements 16 , 18 can be radially expanded on their axially facing sides, producing the frictional connection with the pipe sections 10 , 10 '. The screw bolt 20 engages through mutually aligned axial bores 24 , 26 of the connecting elements and carries at one end a spreading head 36 which can be pressed against the one connecting element 16 and at its other end a spreading nut 22 which can be pressed against the other connecting element 18 .
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1995114752 DE19514752A1 (en) | 1995-04-21 | 1995-04-21 | Device for connecting two cylindrical pipe sections |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1995114752 DE19514752A1 (en) | 1995-04-21 | 1995-04-21 | Device for connecting two cylindrical pipe sections |
Publications (1)
Publication Number | Publication Date |
---|---|
DE19514752A1 true DE19514752A1 (en) | 1996-10-24 |
Family
ID=7760070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1995114752 Withdrawn DE19514752A1 (en) | 1995-04-21 | 1995-04-21 | Device for connecting two cylindrical pipe sections |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE19514752A1 (en) |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29813772U1 (en) | 1998-08-01 | 1998-11-05 | Modulares Raum Design S.A.R.L., Mersch | Mounting system for frame or support structure constructions |
DE29922197U1 (en) * | 1999-12-17 | 2001-04-19 | fischerwerke Artur Fischer GmbH & Co. KG, 72178 Waldachtal | Connector for polygonal tubes |
DE10021825A1 (en) * | 2000-05-04 | 2001-11-08 | Wilke Heinrich Hewi Gmbh | Connection unit to connect tubes or rods; has at least one expansion unit guided into tubular connection section, with expansion element inserted in expanding sleeve and screwed to connection bolt |
WO2003025404A1 (en) * | 2001-09-14 | 2003-03-27 | Laudex Company Limited | Connectors |
WO2005057025A1 (en) * | 2003-12-15 | 2005-06-23 | Komperdell Sportartikel Gesellschaft M.B.H. | Clamp device for telescopic tubes inserted one in the other |
FR2970049A1 (en) * | 2011-01-03 | 2012-07-06 | Jean Pierre Hassid | Device for connecting two tubes for construction of e.g. structures, has assembling unit assembling end of piston rod in opposite to another end of rod in co-operation with shuttle so that longitudinal axes are appreciably coincident |
CN102695395A (en) * | 2012-06-11 | 2012-09-26 | 上海美多通信设备有限公司 | Multipoint floating locking device for printed circuit board |
US20150322986A1 (en) * | 2013-11-01 | 2015-11-12 | Zhongshan Sirui Photographic Equipment Industry Co Ltd. | Quick connection anti-loose apparatus |
CN105090189A (en) * | 2014-05-05 | 2015-11-25 | 上海美申环境设施设备有限公司 | Mobile box column abutting-joint assembly connecting part with expansion locking liner |
US9261122B2 (en) | 2013-07-05 | 2016-02-16 | Laudex Company Limited | Tube connector for facilitating a covered connection between two or more tubes |
CN106763018A (en) * | 2016-11-23 | 2017-05-31 | 泰州华春金属制品有限公司 | A kind of portable fastening structure |
KR20170127868A (en) * | 2016-05-13 | 2017-11-22 | 김보규 | Pipe connecting equipment to control the length |
US10000964B2 (en) * | 2011-01-21 | 2018-06-19 | Technoform Glass Insulation Holding Gmbh | Connectors for spacers of insulating glass units and spacer comprising a connector for an insulating glass unit |
WO2019171193A1 (en) * | 2018-03-05 | 2019-09-12 | Syrp Limited | Rail element for a camera slider rail system |
KR102072034B1 (en) * | 2019-07-04 | 2020-01-31 | (주)대우가구 | A bed |
CN113616030A (en) * | 2020-11-02 | 2021-11-09 | 上海品兴医疗设备有限公司 | Jack structure of hollow forming frame, manufacturing method and assembled insertion rod |
WO2022056482A1 (en) * | 2020-09-14 | 2022-03-17 | Array Technologies, Inc. | Coupling to connect torque tubes of a photovoltaic power generating system |
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DE3816523A1 (en) * | 1988-05-14 | 1989-11-23 | Manfred Schanz | Centring element |
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WO1993000516A1 (en) * | 1991-06-28 | 1993-01-07 | Weland Ab | Tube connector |
DE4210488A1 (en) * | 1992-03-31 | 1993-10-07 | Wilke Heinrich Hewi Gmbh | Connector for tubular component - has expanding component engaged by bolt threaded over full length and has safety device to prevent screwing in too far |
EP0575255A1 (en) * | 1992-06-19 | 1993-12-22 | Spm International, Sa | Fastening device of a tubular profile with a part of complementary structure |
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FR575255A (en) * | 1924-01-04 | 1924-07-26 | Illuminated advertising sign | |
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Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29813772U1 (en) | 1998-08-01 | 1998-11-05 | Modulares Raum Design S.A.R.L., Mersch | Mounting system for frame or support structure constructions |
DE29922197U1 (en) * | 1999-12-17 | 2001-04-19 | fischerwerke Artur Fischer GmbH & Co. KG, 72178 Waldachtal | Connector for polygonal tubes |
DE10021825A1 (en) * | 2000-05-04 | 2001-11-08 | Wilke Heinrich Hewi Gmbh | Connection unit to connect tubes or rods; has at least one expansion unit guided into tubular connection section, with expansion element inserted in expanding sleeve and screwed to connection bolt |
DE10021825B4 (en) * | 2000-05-04 | 2012-08-30 | Hewi Heinrich Wilke Gmbh | Connecting devices and construction system |
WO2003025404A1 (en) * | 2001-09-14 | 2003-03-27 | Laudex Company Limited | Connectors |
CN1296629C (en) * | 2001-09-14 | 2007-01-24 | 乐泽有限公司 | Connector |
US7229230B2 (en) | 2001-09-14 | 2007-06-12 | Laudex Company Limited | Tube connectors |
WO2005057025A1 (en) * | 2003-12-15 | 2005-06-23 | Komperdell Sportartikel Gesellschaft M.B.H. | Clamp device for telescopic tubes inserted one in the other |
FR2970049A1 (en) * | 2011-01-03 | 2012-07-06 | Jean Pierre Hassid | Device for connecting two tubes for construction of e.g. structures, has assembling unit assembling end of piston rod in opposite to another end of rod in co-operation with shuttle so that longitudinal axes are appreciably coincident |
US10000964B2 (en) * | 2011-01-21 | 2018-06-19 | Technoform Glass Insulation Holding Gmbh | Connectors for spacers of insulating glass units and spacer comprising a connector for an insulating glass unit |
CN102695395A (en) * | 2012-06-11 | 2012-09-26 | 上海美多通信设备有限公司 | Multipoint floating locking device for printed circuit board |
US9261122B2 (en) | 2013-07-05 | 2016-02-16 | Laudex Company Limited | Tube connector for facilitating a covered connection between two or more tubes |
US20150322986A1 (en) * | 2013-11-01 | 2015-11-12 | Zhongshan Sirui Photographic Equipment Industry Co Ltd. | Quick connection anti-loose apparatus |
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