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WO2000063600A1 - Collier de serrage - Google Patents

Collier de serrage Download PDF

Info

Publication number
WO2000063600A1
WO2000063600A1 PCT/DE2000/001102 DE0001102W WO0063600A1 WO 2000063600 A1 WO2000063600 A1 WO 2000063600A1 DE 0001102 W DE0001102 W DE 0001102W WO 0063600 A1 WO0063600 A1 WO 0063600A1
Authority
WO
WIPO (PCT)
Prior art keywords
clamp according
profile
anchoring
clamp
outer surfaces
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.)
Ceased
Application number
PCT/DE2000/001102
Other languages
German (de)
English (en)
Inventor
Dirk MÖNIKES
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.)
Igus GmbH
Igus Spritzgussteile fuer die Industrie GmbH
Original Assignee
Igus GmbH
Igus Spritzgussteile fuer die Industrie GmbH
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 Igus GmbH, Igus Spritzgussteile fuer die Industrie GmbH filed Critical Igus GmbH
Priority to AU52060/00A priority Critical patent/AU5206000A/en
Priority to DE10081022T priority patent/DE10081022D2/de
Publication of WO2000063600A1 publication Critical patent/WO2000063600A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G13/00—Chains
    • F16G13/12—Hauling- or hoisting-chains so called ornamental chains
    • F16G13/16—Hauling- or hoisting-chains so called ornamental chains with arrangements for holding electric cables, hoses, or the like
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/26—Installations of cables, lines, or separate protective tubing therefor directly on or in walls, ceilings, or floors

Definitions

  • the invention relates to a clamp for fixing supply lines, in particular electrical or optical cables and pipes and hoses, and a strain relief for supply lines, preferably for use in energy chains, which contains such clamps.
  • a known commercially available clamp for fastening electrical cables consists of a cuboid lower part which can be screwed onto a stationary surface, for example on a wall.
  • a U-shaped upper part with parallel but resilient legs can be placed over the lower part so that the inner surfaces of the legs touch two opposite lateral outer surfaces of the cuboid lower part.
  • the cable to be fixed can be clamped in the channel delimited by the lower part and legs and middle part of the upper part.
  • a screw penetrating the central region of the upper part can serve for further fixation.
  • a disadvantage of the known clamp is that only one line can be fixed with it. Especially in the case of energy chains that carry a plurality of lines, it is often desirable to define several lines one above the other. This is particularly intended to relieve strain within longer chains and in the transition from the chain to the supply unit or to the consumer. It is also difficult to detach the upper part from the lower part. If unexpectedly strong forces act on the line, the line may tear and / or the clamp may break.
  • the object of the invention is to provide a clamp with which a plurality of supply lines can be fixed one above the other and which is suitable for strain relief of the lines, in particular in energy chains. Further objects result from preferred embodiments of the invention.
  • the lower part of the new clamp is no longer cuboid, as in the prior art, but has - apart from additional devices - a trapezoidal profile.
  • the inclined sides of this trapezoidal shape correspond in their inclination to the outward inclination or expansion of the inner sides of the legs of the U-shaped upper part. It is therefore possible to place the upper part on the lower part in such a way that the outer sides of the lower part and the inner sides of the upper part legs run parallel. When these corresponding surfaces are approached sufficiently, the locking elements can snap in and the clamp is closed.
  • the new shape which consists in the fact that the legs of the U-shaped upper part do not run parallel as in the prior art, but are widened outwards, makes it possible to stack several upper parts one above the other. Due to the outward inclination of the legs, the outer width of the middle part in the U-shaped upper part is smaller than the opening of the legs at its ends, so that a second upper part can be put over a first one. In order to enable the second upper part to snap into place, it is further necessary that the outer surfaces of the first upper part be in are inclined at the same angle as the outer surfaces of the lower part and are suitable for this. Have locking elements.
  • Preferred locking elements for the corresponding outer or inner surfaces are toothed strips, the teeth of which are set against one another by a certain amount, i.e. are asymmetrical.
  • the force required to bend the legs apart to slide the teeth over one another would be approximately the same when they were brought together and taken apart.
  • the tooth ridges of the lower part are moved downwards and those of the inner sides of the upper part are moved upwards, assembly is facilitated and disassembly is made more difficult, so that the desired fixation is achieved.
  • the stronger the asymmetry of the teeth the stronger the fixation.
  • the more obtuse tooth flank angle is 90 degrees or more, there is a form fit, which can only be overcome by simply pulling apart if the teeth yield or break elastically.
  • the clamp opens and the line is released. This avoids that the line breaks and there are short circuits in the case of electrical lines or in the case of hoses the escaped fluid escapes, which under certain circumstances can cause greater damage.
  • the upper outer surface of the lower part and the inner surface of the middle area in the upper part are support surfaces for the line to be fixed after the clamp is closed.
  • This is generally round in cross-section and can be somewhat flexible.
  • their contact area with flat contact surfaces is relatively small. Since the line is held in the clamp with a friction fit, it is advantageous to make the contact area as large as possible. Therefore, the abovementioned contact surfaces preferably have a concave profile. Since when stacking several tops also the outer surface of the central area of the Upper part becomes the support surface for the line, this surface also expediently receives a concave profile.
  • the concave contact surfaces preferably have friction ribs which run transversely to the direction of the supply line. As a result, the frictional engagement is further increased.
  • End plates are preferably provided on the end faces of the lower and / or the upper part in the region of the toothed strips of the outer surfaces. These prevent longitudinal forces acting via the supply line from being able to move the upper part against the lower part, which would cause the clamp to open unintentionally.
  • the lower part of the clamp according to the invention can be fastened on a surface or on a component in the usual way, for example by means of a screw passing through the part.
  • means are preferably provided on the underside of the lower part, which allow anchoring in structures of the surface or of the component. The nature of these funds depends on the nature of these structures.
  • the lower part is designed for anchoring in a C-profile.
  • a C-profile usually runs transversely to the direction of the supply lines and can, for example, be attached to a wall or be part of a frame. It can accommodate multiple clamps for multiple parallel supply lines. It is necessary to be able to assemble or disassemble a clamp without moving it along the profile, as other clamps can get in the way.
  • the lower part of the clamping therefore clamp on a shape that includes a groove for plugging onto one edge of the C-profile and a resilient tongue that can engage behind the other edge of the C-profile.
  • an opening penetrating the lower part is advantageous, through which a tool, for example a screwdriver, can be pressed against the tongue from above.
  • clamping jaws with locking cams are formed on the underside of the lower part.
  • These can comprise a profile bar, wherein the locking cams can snap into grooves in the side surfaces. This clamps the clamp to the profile bar.
  • the profile bar can be a component of a device, for example a crossbar of an end or middle link of an energy chain. Openings in the lower part are also advantageous here, by means of which the clamping jaws can be pressed away from the side surfaces of the profile bar by means of a tool, as a result of which the lower part is released from the anchoring.
  • the upper part of the clamp can also be provided on its upper side with means for anchoring to a profile bar positioned above the clamp.
  • Such means are preferably clamping jaws with locking cams, which comprise a profile bar and the locking cams engage in grooves in the side surfaces of the profile.
  • the parts of the clamp according to the invention preferably consist of a thermoplastic.
  • the suspension properties of individual sections can be easily achieved by appropriate dimensioning and the surface details can be shaped precisely.
  • the invention also includes strain relief for several supply lines, which includes the clamps according to the invention.
  • Such strain reliefs are required, for example, in energy supply chains in the end links, that is to say when the supply lines transition to the supply units and the consumption stations, and also in the middle links.
  • Such an energy chain leads a plurality of supply lines such as electrical or optical cables or hoses for fluids from stationary supply units to mobile consumption stations. Examples of energy chains are described in publications US-A-5, 711, 144, WO-A-97/30299 and the documents cited therein.
  • a strain relief according to the invention for a plurality of supply lines lying one above the other comprises a lower part and a plurality of upper parts of a clamp according to the invention.
  • the lower part is attached to a surface or a component.
  • a first upper part is plugged onto this and defines a first supply line.
  • a second upper part is plugged onto the first upper part and defines a second supply line, etc.
  • the last upper part (“summit part") can provide the means described for anchoring in a profile bar located above and be anchored to this.
  • a preferred embodiment of the strain relief for an end link of an energy guiding chain comprises a lower part of the clamp according to the invention, which is anchored in the lower transverse web of the end link designed as a C-profile, a plurality of upper parts which are stacked as described and optionally a summit part which is connected to Clamping jaws are anchored to the upper cross bar, which is designed as a profile bar with lateral grooves.
  • a further preferred embodiment of the strain relief according to the invention for a middle link of an energy chain comprises a lower part of the clamp according to the invention, which is anchored by means of clamping jaws and locking cams on the lower transverse web of the middle link provided with lateral grooves, several upper parts and possibly a summit part, which also with Clamping jaws are anchored to the upper transverse web of the central link provided with lateral grooves.
  • the anchoring of the summit parts on the upper crossbar of the chain link is particularly advantageous because longitudinal forces acting on the supply lines are derived both on the lower and on the upper crossbar, thereby preventing the strain relief from tipping out of the chain link.
  • FIG. 6 shows a clamp that can be anchored to profile bars for two supply lines and in front view
  • Fig. 8 three strain reliefs mounted in an end link of an energy chain for one, two and three lines.
  • the lower part 1 of the clamp according to the invention shown in FIG. 1 has inclined outer surfaces 2, one of which can be seen and the second is on the back. These surfaces carry locking elements in the form of toothed strips 3; the ridges 4 of the teeth are shifted downwards relative to the symmetrical shape.
  • the upper outer surface 5, which serves as a support surface for the line, has a concave profile and is additionally provided with friction ribs 6.
  • End plates 7 are formed on the end faces in the area of the toothed strips 3.
  • a formation 8 can be seen which has a groove 9 which can be plugged onto an edge of a C-profile.
  • a resilient tongue (not visible in this view) is used on the side of the formation 8 opposite the groove. This tongue can be pressed in the direction of the groove 9 with a tool guided through the opening 10, whereby the anchoring in the C Profile is loosened so that the lower part can be removed.
  • Fig. 2 shows a U-shaped upper part 11 of the clamp according to the invention. Its legs 12 are inclined outwards, the angle of inclination corresponding to that of the outer surfaces 2 on the matching lower part according to FIG. 1.
  • the material thickness of the legs 12 is such that they can yield resiliently to an acting force.
  • the inner surfaces 13 of the legs are provided with toothed racks 14, the ridges 15 of which are displaced upward, so that they snap into the toothed racks 3 when the upper part 11 is attached to the lower part 1 and bring about resistance against removal.
  • the outer surfaces 16 of the legs 12 also carry toothed strips 17, which correspond in their inclination and inclination to the toothed strips 3 on the lateral outer surfaces 2 of the lower part 1.
  • the outer surface 18 of the central region is concavely shaped as a support surface for the line and provided with friction ribs 19. It is also extended beyond the end faces by conformations 20. On the end faces 17 end plates 21 are present in the area of the toothed strips, which prevent a further attached upper part from being displaced in the longitudinal direction.
  • the inner surface 22 of the central region which is not visible here, is also concave. forms and provided with ribs.
  • FIG. 3 Another embodiment for a lower part 23 is shown in FIG. 3.
  • the openings 26a allow the resilient clamping jaws 24 to be bent outwards with a tool inserted from above, in order to cancel the engagement of the locking cams 25 in the groove of the supporting profile bar and to be able to remove the lower part thereof.
  • FIG. 4 shows an upper part 26 which, as the highest upper part (“summit part”), can be anchored in an upper profile bar. With its legs 27, which have an inclination corresponding to the upper part underneath, it can be placed on this and anchored in the grooves of an upper profile bar by means of the clamping jaws 28 provided with locking cams 29.
  • FIG. 5 shows a C-profile 30 with a clamp 31 anchored therein for two lines.
  • the clamp 31 is composed of the lower part 1 and two upper parts 11, as shown in FIGS. 1 and 2.
  • the channels 32 are formed for receiving supply lines.
  • a gap 33 is formed between the outer surfaces of parts which are plugged onto one another, into which a tool for bending the leg 12 out can be inserted, as a result of which the upper part 11 can be removed.
  • FIG. 6 shows a strain relief 34 for two lines, which consists of a lower part 23, two upper parts 11 and a summit part 26 and can be anchored to two profile bars.
  • Fig. 7 shows a middle link 35 of an energy chain with built-in strain relief 36 for three lines 42.
  • the middle link consists of two opposite side parts 37, 38 and an upper 39 and a lower cross bar 40.
  • the cross bars have grooves 41 into which the locking cams of the clamping jaws 24, 28 are engaged.
  • the entire strain relief consists of a lower part 23, three upper parts 11 and a summit part 26.
  • the lines 42 are fixed in the channels 32 and lie on the concave contact surfaces 5, 18, 22.
  • FIG. 8 also shows an end link 43 of an energy supply chain with three strain reliefs 44, 45, 46 according to the invention.
  • the end member 43 consists of side parts 47, 48 which are connected in the lower area by a C-profile 49 and above by a profile bar 50 as crossbars.
  • the strain reliefs are each constructed from lower parts 1 anchored in the C-profile and a corresponding number of upper parts 11 and lead one, two and three lines 42.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Wire Bonding (AREA)
  • Clamps And Clips (AREA)

Abstract

L'invention concerne un collier de serrage pour la fixation de lignes d'alimentation, comprenant une partie inférieure (1) pouvant être fixée sur une surface, et une partie supérieure en forme de </= U >/= (11) aux branches élastiques (12), laquelle est placée au-dessus de la partie inférieure de manière à délimiter avec celle-ci un canal (32) destiné à recevoir les lignes à fixer, les surfaces latérales adjacentes (2) de la partie inférieure et les surfaces intérieures des branches (13) de la partie supérieure comportant des éléments à encliquetage (3, 14) s'engageant mutuellement en vue d'assurer la fixation de la partie supérieure (11) sur la partie inférieure (1). L'invention a pour but de fixer plusieurs lignes d'alimentation les unes au-dessus des autres et de réduire les contraintes de traction des lignes et est, en conséquence, caractérisée en ce que les branches (12) de la partie supérieure en </= U >/= (11) sont inclinées vers l'extérieur, et en ce que les surfaces extérieures latérales (2) de la partie inférieure (1) sont inclinées de façon que les branches (12) de la partie supérieure (11) puissent être dirigées vers celle-ci, et que les surfaces extérieures (16) de la partie supérieure (11) soient inclinées du même angle que celui de la partie inférieure (1), et en ce que les branches (12) présentent des éléments d'encliquetage (17) correspondant à ceux de la partie inférieur (1).
PCT/DE2000/001102 1999-04-19 2000-04-08 Collier de serrage Ceased WO2000063600A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU52060/00A AU5206000A (en) 1999-04-19 2000-04-08 Collar band
DE10081022T DE10081022D2 (de) 1999-04-19 2000-04-08 Klemmschelle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29907444U DE29907444U1 (de) 1999-04-19 1999-04-19 Klemmschelle
DE29907444.7 1999-04-19

Publications (1)

Publication Number Publication Date
WO2000063600A1 true WO2000063600A1 (fr) 2000-10-26

Family

ID=8072757

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2000/001102 Ceased WO2000063600A1 (fr) 1999-04-19 2000-04-08 Collier de serrage

Country Status (3)

Country Link
AU (1) AU5206000A (fr)
DE (2) DE29907444U1 (fr)
WO (1) WO2000063600A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10305120B4 (de) * 2003-02-07 2007-06-06 Spittler Lichttechnik Universeller Anschlußkasten für elektrische Geräte
DE102014001161A1 (de) * 2014-01-31 2015-08-06 Murrplastik Systemtechnik Gmbh Haltevorrichtung für Langkörper, insbesondere für Kabel
DE202017106320U1 (de) 2017-10-18 2017-10-25 Igus Gmbh Modulares Klemmsystem für Leitungen unterschiedlicher Durchmesser und Klemmteil hierfür

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19937236C2 (de) * 1999-08-06 2002-05-08 Ekd Gelenkrohr Gmbh Energieführungskette
DE10004679C2 (de) * 2000-02-03 2002-10-31 Ekd Gelenkrohr Gmbh Vorrichtung für eine Zugentlastung dynamisch beanspruchter Leitungen, die in einer Energieführungskette geführt werden
DE102011103147A1 (de) * 2011-05-25 2012-11-29 Murrplastik Systemtechnik Gmbh Kettenglied für eine Energieführungskette
DE102013201155A1 (de) * 2013-01-24 2014-07-24 Siemens Aktiengesellschaft Anordnung mit einer Zugentlastungsvorrichtung
DE202014008413U1 (de) 2014-10-21 2014-10-29 Schmidberger Gmbh Zugentlastungselement für Energieführungsketten
GB2550417B (en) * 2016-05-20 2021-02-24 Pettit Karl Universal cable tray mounting support spacer
DE202017102147U1 (de) 2017-04-10 2017-05-05 Igus Gmbh Leitungsdurchführung, insbesondere Zugentlastung für eine Energieführungskette
DE202020102173U1 (de) 2020-04-20 2021-07-21 Igus Gmbh Zugentlastung
DE102021131273A1 (de) 2021-11-29 2023-06-01 Tsubaki Kabelschlepp GmbH Kettenglied einer Leitungsführungseinrichtung mit Zugentlastung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1085952A (fr) * 1953-06-19 1955-02-08 Eugen Fischer W Collier en matière isolante pour câbles
DE932190C (de) * 1954-06-06 1955-08-25 Michael Feithen Kabelschellen aufeinanderfolgender Schellengroesse
US5821469A (en) * 1996-12-18 1998-10-13 Lucent Technologies Inc. Device for securing cables in a telecommunications system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4015803C1 (en) 1990-05-17 1991-11-21 Murrplastik Gmbh, 7155 Oppenweiler, De Link element for energy transfer chain - has height of cross-plate relative energy lines adjustable for compression of resilient packing elements and secure energy lines retention
DE4413303C1 (de) 1994-04-18 1995-05-24 Kabelschlepp Gmbh Traverse für eine Energieführungskette

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1085952A (fr) * 1953-06-19 1955-02-08 Eugen Fischer W Collier en matière isolante pour câbles
DE932190C (de) * 1954-06-06 1955-08-25 Michael Feithen Kabelschellen aufeinanderfolgender Schellengroesse
US5821469A (en) * 1996-12-18 1998-10-13 Lucent Technologies Inc. Device for securing cables in a telecommunications system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10305120B4 (de) * 2003-02-07 2007-06-06 Spittler Lichttechnik Universeller Anschlußkasten für elektrische Geräte
DE102014001161A1 (de) * 2014-01-31 2015-08-06 Murrplastik Systemtechnik Gmbh Haltevorrichtung für Langkörper, insbesondere für Kabel
DE202017106320U1 (de) 2017-10-18 2017-10-25 Igus Gmbh Modulares Klemmsystem für Leitungen unterschiedlicher Durchmesser und Klemmteil hierfür
WO2019076935A1 (fr) 2017-10-18 2019-04-25 Igus Gmbh Système de serrage modulaire pour des lignes de différents diamètres et pièce de serrage associée
EP3698445A1 (fr) * 2017-10-18 2020-08-26 Igus GmbH Système de serrage modulaire pour des lignes de différents diamètres et pièce de serrage associée
CN111630740A (zh) * 2017-10-18 2020-09-04 易格斯有限公司 用于不同直径线路的模块化夹持系统和用于此的夹持件
CN111630740B (zh) * 2017-10-18 2022-04-05 易格斯有限公司 用于不同直径线路的模块化夹持系统和用于此的夹持件
US11448247B2 (en) 2017-10-18 2022-09-20 Igus Gmbh Modular clamping system for lines of differing diameter and clamping part thereof

Also Published As

Publication number Publication date
AU5206000A (en) 2000-11-02
DE29907444U1 (de) 1999-07-29
DE10081022D2 (de) 2001-12-13

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