WO2004006401A1 - Fluiddichte kabeldurchführung - Google Patents
Fluiddichte kabeldurchführung Download PDFInfo
- Publication number
- WO2004006401A1 WO2004006401A1 PCT/EP2003/007134 EP0307134W WO2004006401A1 WO 2004006401 A1 WO2004006401 A1 WO 2004006401A1 EP 0307134 W EP0307134 W EP 0307134W WO 2004006401 A1 WO2004006401 A1 WO 2004006401A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cable
- sealing element
- section
- bushing
- cable duct
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/0207—Wire harnesses
- B60R16/0215—Protecting, fastening and routing means therefor
- B60R16/0222—Grommets
-
- 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
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/088—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings or inlets
-
- 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
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
Definitions
- the present invention relates to a fluid-tight, in particular old-tight cable bushing with a bushing body which has an inside exposed to a fluid, an outside separated from the fluid and at least one cable duct, through which at least one electrical line formed by a stranded wire runs from the inside of the bushing body to the outside thereof to be led.
- Such a cable bushing is known from utility model DE 200 09 530.
- the cable bushing shown therein is used, for example, to conduct electrical lines to the outside in an oil-tight manner from the inside of a motor or transmission housing.
- the cable bushing shown contains a bushing body which is intended to close an opening in the motor or transmission housing, the inside of the bushing body being exposed to the oil.
- At least one cable duct connecting the inside and outside is formed in the lead-through body, through which an electrical line is guided, the outer insulation of which is replaced over part of the length of the cable duct by a synthetic resin sealing compound.
- the plastic potting compound is intended to prevent oil from getting through the cable duct from the inside of the grommet to the outside.
- the cable bushing described in the above-mentioned document is not completely oil-tight.
- hot and therefore very thin oil can penetrate the inside of the stranded wire by capillary action and can pass through the cable duct inside the stranded wire.
- the casting compound tends to shrink due to an aging process, so that there is a gap between the strand and the casting compound or between the casting compound and the Can form cable duct wall, through which oil can also get from the inside of the grommet to the outside.
- the invention has for its object to provide a cable entry of the type mentioned, the fluid tightness is better than in the prior art.
- a sealing element is arranged in the cable duct, which is penetrated by a number of individual ducts corresponding to the number of lines, through which the lines are guided individually, and in that the lines each consist of two line sections , which are connected to one another by an electrically conductive connecting piece, which has a solid cross section over at least part of its length, the connecting piece being accommodated in the individual channel of the sealing element with at least part of its length. Due to the massive cross section, the oil cannot get through the inside of the connector.
- the connector is preferably formed from a pin, at the ends of which a crimp sleeve is arranged. With such a connector, the two line sections can be connected to one another simply and inexpensively.
- the sealing element is preferably made of an elastomer.
- An elastomer has better sealing properties than a potting compound as used in the prior art because it shrinks as a result of an aging process.
- the cable can be held in position with a sealing compound more securely than by the mere elastic enclosure in the individual channels of the Sealing element succeeds. Therefore, in a preferred further development, the cable duct is cast with casting compound in a section adjoining the inside of the sealing element, as a result of which the lines are held in position in a tensile manner.
- the poured section provides a coarse seal that already keeps a large part of the fluid away from the sealing element.
- a first shoulder is preferably formed in the cable duct, from which an annular web projects in the axial direction into the poured-out section of the cable duct.
- the grout is divided into a radially inner and radially outer section with respect to the cable duct axis by this ring web. As the potting compound ages, its radially outer section shrinks onto the ring web.
- the individual channels in the sealing element preferably each have at least one narrowed section.
- the narrowed section there is a particularly good seal between the line and the sealing element. Furthermore, the narrowed section prevents rain or splash water from entering the sealing element from the outside and shorting different lines.
- the sealing element preferably has a tapering section and the cable duct has a section, viewed in the axial direction from the outside inwards, into which the sealing element is pressed with its tapering section from the outside. Furthermore, the sealing element preferably has a section projecting radially outward at its end facing axially outward and a second shoulder is formed in the cable duct on which the standing section rests. In an advantageous development, a closed sealing lip surrounding the cable duct axis is formed on the shoulder.
- the cable duct preferably also has a cable duct with a flange for fastening it to the outside of the bushing body, the inside diameter of the flange being smaller than the diameter of the projecting section of the sealing element.
- the sealing element is pressed into the cable duct through the flange when the cable guide tube is fastened, which in turn leads to a better seal.
- a closed sealing lip surrounding the cable duct axis is preferably formed on the flange.
- FIG. 1 shows a cable bushing according to the invention in a cross section containing the cable duct axis
- FIG. 2 shows an enlarged detail from FIG. 1,
- Figure 3 is a plan view of the cable entry of Figure 1 and
- Figure 4 shows a sealing element in partial cross section with electrical passed
- a cable bushing 10 according to the invention is shown in cross section in FIG. 1 and in a top view in FIG. 3.
- the cable bushing has a bushing body 12, with which an opening in a motor or transmission housing is covered in an oil-tight manner, and through which electrical lines 14 are guided. Screws (not shown), which are inserted through openings 13 (see FIG. 3) in the lead-through body 12, are used for fastening to the motor or transmission housing.
- the bushing 12 has an inside 16 exposed to the oil and one of the oil separate outside 18.
- the electrical lines 14 are led through a cable duct 20 from the inside 16 to the outside 18 of the bushing body 12.
- “cable duct” generally means the connection between the inside and the outside of a lead-through body, the form of which is expressly not supposed to be restricted.
- a sealing element 22 is arranged in the cable duct 20, which is not shown in cross section in FIG. 1 for the sake of clarity. Individual channels 23 are formed in the sealing element 22, through which the lines 14 are guided individually (see FIG. 4). The passage of the lines 14 through the sealing element 22 is explained in detail below with reference to FIG. 4.
- the cable duct 20 is in an inner section as seen from the sealing member 22, i.e. in the illustration of FIG. 1, the lower section 24 is poured out with a casting compound (shown in dotted lines in FIGS. 1 and 2).
- the lines 14 When emerging from the feedthrough body 12, the lines 14 are guided into a cable guide tube 26 which is flanged to the feedthrough body 12 with a flange 28 with screw bolts 30.
- FIG. 2 shows an enlarged section of FIG. 1.
- the sealing element 22 has a conical section 32 and a section 34 projecting radially outward.
- a conical section is formed in the cable duct 20, into which the conical section 32 is pressed in a form-fitting manner.
- a shoulder 36 is also formed in the cable duct 20, on which the projecting section 34 of the sealing element 22 rests.
- the inner diameter of the flange 28 is smaller than the diameter of the protruding section 34 of the sealing element 22.
- the sealing element 22 is therefore pressed into the cable duct 20 when the cable guide tube 26 with its flange 28 onto the bushing body 12 is screwed, whereby the sealing element 22 lies with its conical section 32 closely against the wall of the cable duct 20 and closes it oil-tight. Furthermore, circumferential sealing lips 38 and 40 are formed on the shoulder 36 and on the flange 28, which also prevent oil from getting between the sealing element 22 and the cable duct 20 from the inside to the outside.
- an inner section 24 of the cable duct 20, as viewed from the sealing element 22, is cast with casting compound. The lines 14 are cast into the casting compound and are held in position by this. Furthermore, the cable duct is already sealed to a certain extent by the sealing compound, so that only small amounts of oil can penetrate to the sealing element 22 at all.
- the potting compound is very well suited to holding the lines 14 in place, it cannot permanently close the cable duct 20 in an oil-tight manner. The reason for this is that it is exposed to high temperature fluctuations, thereby aging relatively quickly and shrinking as a result, as a result of which gaps can form between the cable duct 20 and the sealing compound.
- the shrinkage of the sealing compound was taken into account by the shape of the poured section 24 of the cable duct 20. As can be seen in FIG. 2, a shoulder 42 is formed in the poured section of the cable duct 20, on which a circumferential ring web 44 is formed. The above-described conical shape of the cable duct 20 is continued on the inside 46 of the ring web 44.
- the ring web 44 has the purpose, inter alia, that the potting compound shrinks in its aging process onto the outside of the ring web 48, so that at least at the interface of the potting compound and the outside of the ring web 48 there is a constriction for the oil which it can only pass with difficulty.
- the sealing element 22 is shown in a partial cross section through which the electrical lines 14 are guided in individual channels 23.
- the electrical lines each consist of two line sections which are connected to one another by a connecting piece 50.
- One half of the connecting piece is arranged in the single channel 23 of the sealing element 22.
- the line on the far right in the illustration of FIG. 4 has been pulled down a little for reasons of better illustration of the connecting piece 50.
- the connecting pieces 50 consist of a pin 52, at the ends of which a crimp sleeve 54 is arranged for fastening the conductive sections.
- the pin 52 has a solid cross section and therefore serves as a capillary barrier for oil that spreads inside the inner line section. This capillary barrier represents a significant improvement over the prior art, in which a continuous strand was led from the inside of the lead-through body to the outside and oil could get out through the capillary action of the strand.
- the connecting pieces 50 permanently close the individual channels 23 in an oil-tight manner, since the sealing element 22 is made of a highly elastic material.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
- Cable Accessories (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Insulated Conductors (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03762616A EP1518308B1 (de) | 2002-07-03 | 2003-07-03 | Fluiddichte kabeldurchführung |
| US10/519,520 US7071412B2 (en) | 2002-07-03 | 2003-07-03 | Fluid-tight cable duct |
| JP2004518697A JP4317815B2 (ja) | 2002-07-03 | 2003-07-03 | 流体密式ケーブル・ダクト |
| DE50302621T DE50302621D1 (de) | 2002-07-03 | 2003-07-03 | Fluiddichte kabeldurchführung |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE20210296.3 | 2002-07-03 | ||
| DE20210296U DE20210296U1 (de) | 2002-07-03 | 2002-07-03 | Fluiddichte Kabeldurchführung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004006401A1 true WO2004006401A1 (de) | 2004-01-15 |
Family
ID=7972803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2003/007134 Ceased WO2004006401A1 (de) | 2002-07-03 | 2003-07-03 | Fluiddichte kabeldurchführung |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7071412B2 (de) |
| EP (1) | EP1518308B1 (de) |
| JP (1) | JP4317815B2 (de) |
| CN (1) | CN100435440C (de) |
| AT (1) | ATE320100T1 (de) |
| DE (2) | DE20210296U1 (de) |
| ES (1) | ES2260657T3 (de) |
| WO (1) | WO2004006401A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1589543A3 (de) * | 2004-04-24 | 2006-09-06 | Jung Pumpen GmbH | Leitungseinführung und Verfahren zu deren Herstellung |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20210296U1 (de) * | 2002-07-03 | 2002-08-29 | era-contact GmbH, 75015 Bretten | Fluiddichte Kabeldurchführung |
| DE202005011301U1 (de) | 2005-07-19 | 2005-09-22 | Hidde, Axel R., Dr.-Ing. | Kabeldurchführung mit Membranventil |
| DE102005035210B4 (de) * | 2005-07-28 | 2007-09-06 | Hidde, Axel R., Dr. Ing. | Kabeldurchführung mit Membranventil |
| DE102006045199A1 (de) * | 2006-09-25 | 2008-03-27 | Lisa Dräxlmaier GmbH | Kabelführung mit Dichtplatte |
| IL188559A0 (en) * | 2008-01-03 | 2008-11-03 | D T N R Ltd | Method of production of glass coated metal wires and metal microwires |
| DE102009057900B4 (de) * | 2009-12-11 | 2011-11-10 | Gabo Systemtechnik Gmbh | Wanddurchführung zur Durchführung von Kabeln, Kabelschutzrohren oder sonstigen Leitungen |
| DE102011110380B3 (de) * | 2011-08-17 | 2012-07-26 | Johnson Electric Dresden Gmbh | Fluiddichte Kabeldurchführung für Flachbandkabel |
| US8776835B2 (en) | 2012-12-05 | 2014-07-15 | Hamilton Sundstrand Corporation | Fluid duct with improved connecting bead |
| DE202016104611U1 (de) | 2016-08-23 | 2017-08-24 | Eugen Forschner Gmbh | Kabel und Vorrichtung zu dessen Herstellung |
| KR101839733B1 (ko) * | 2017-09-29 | 2018-03-19 | 강영호 | 건축구조물 내 케이블 정리 구조의 시공방법 |
| US20200194981A1 (en) * | 2018-12-14 | 2020-06-18 | Ge Aviation Systems, Llc | Electrical wire sealing assembly |
| DE102020131545A1 (de) | 2020-11-27 | 2022-06-02 | Eugen Forschner Gmbh | Mediendichte elektrische leiterdurchführung und verfahren zur herstellung derselben |
| DE102023121227B3 (de) * | 2023-08-09 | 2024-12-24 | MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. | Lichtwellenleiter-Durchführung für eine Vakuumkammer, Lichtwellenleiter-Anordnung und Verfahren zur Durchführung einer Vielzahl von Lichtwellenleitern |
| CN117086607A (zh) * | 2023-08-22 | 2023-11-21 | 广东锦熹智能科技有限公司 | 一种用于热压板的穿线装置 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3232050A1 (de) * | 1981-08-31 | 1983-03-10 | Aisin-Warner K.K., Anjo, Aichi | Verfahren und vorrichtung zur gegenseitigen verbindung von elektrischen kabeln eines hydraulischen systems |
| US5278357A (en) * | 1991-02-14 | 1994-01-11 | Yazaki Corporation | Electric wire holding case preventing of oil leak |
| DE19621321A1 (de) * | 1996-05-28 | 1997-12-04 | Teves Gmbh Alfred | Pneumatischer Bremskraftverstärker |
| EP1158636A2 (de) * | 2000-05-26 | 2001-11-28 | Era-Elektrotechnik GmbH | Kabeldurchführung |
| DE20210296U1 (de) * | 2002-07-03 | 2002-08-29 | era-contact GmbH, 75015 Bretten | Fluiddichte Kabeldurchführung |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2823037B2 (ja) * | 1993-11-11 | 1998-11-11 | 矢崎総業株式会社 | 電線保持ケース |
| US5614696A (en) * | 1994-06-23 | 1997-03-25 | Structural Instrumentation, Inc. | Environmentally sealed connector for use with a load cell block |
| DE19728370A1 (de) * | 1997-07-03 | 1999-01-07 | Bosch Gmbh Robert | Kabeldurchführung für Anschlußkabel eines Gasmeßfühlers |
| CN2484685Y (zh) * | 2001-06-15 | 2002-04-03 | 曹巍 | 电缆接头密封护套 |
| JP3634301B2 (ja) * | 2001-11-16 | 2005-03-30 | 本田技研工業株式会社 | シール部材 |
| EP1565776A1 (de) * | 2002-11-30 | 2005-08-24 | Tyco Electronics UK Limited | Dichtungsvorrichtung |
| JP4223938B2 (ja) * | 2003-12-24 | 2009-02-12 | 矢崎総業株式会社 | グロメット構造及びワイヤーハーネス |
-
2002
- 2002-07-03 DE DE20210296U patent/DE20210296U1/de not_active Expired - Lifetime
-
2003
- 2003-07-03 WO PCT/EP2003/007134 patent/WO2004006401A1/de not_active Ceased
- 2003-07-03 US US10/519,520 patent/US7071412B2/en not_active Expired - Fee Related
- 2003-07-03 DE DE50302621T patent/DE50302621D1/de not_active Expired - Lifetime
- 2003-07-03 JP JP2004518697A patent/JP4317815B2/ja not_active Expired - Fee Related
- 2003-07-03 CN CNB038155672A patent/CN100435440C/zh not_active Expired - Fee Related
- 2003-07-03 AT AT03762616T patent/ATE320100T1/de not_active IP Right Cessation
- 2003-07-03 ES ES03762616T patent/ES2260657T3/es not_active Expired - Lifetime
- 2003-07-03 EP EP03762616A patent/EP1518308B1/de not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3232050A1 (de) * | 1981-08-31 | 1983-03-10 | Aisin-Warner K.K., Anjo, Aichi | Verfahren und vorrichtung zur gegenseitigen verbindung von elektrischen kabeln eines hydraulischen systems |
| US5278357A (en) * | 1991-02-14 | 1994-01-11 | Yazaki Corporation | Electric wire holding case preventing of oil leak |
| DE19621321A1 (de) * | 1996-05-28 | 1997-12-04 | Teves Gmbh Alfred | Pneumatischer Bremskraftverstärker |
| EP1158636A2 (de) * | 2000-05-26 | 2001-11-28 | Era-Elektrotechnik GmbH | Kabeldurchführung |
| DE20210296U1 (de) * | 2002-07-03 | 2002-08-29 | era-contact GmbH, 75015 Bretten | Fluiddichte Kabeldurchführung |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1589543A3 (de) * | 2004-04-24 | 2006-09-06 | Jung Pumpen GmbH | Leitungseinführung und Verfahren zu deren Herstellung |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1666395A (zh) | 2005-09-07 |
| ATE320100T1 (de) | 2006-03-15 |
| EP1518308B1 (de) | 2006-03-08 |
| ES2260657T3 (es) | 2006-11-01 |
| US20060032656A1 (en) | 2006-02-16 |
| DE50302621D1 (de) | 2006-05-04 |
| EP1518308A1 (de) | 2005-03-30 |
| JP2005537769A (ja) | 2005-12-08 |
| CN100435440C (zh) | 2008-11-19 |
| US7071412B2 (en) | 2006-07-04 |
| JP4317815B2 (ja) | 2009-08-19 |
| DE20210296U1 (de) | 2002-08-29 |
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