EP3738182A1 - Kabelverschraubung - Google Patents
KabelverschraubungInfo
- Publication number
- EP3738182A1 EP3738182A1 EP18803983.8A EP18803983A EP3738182A1 EP 3738182 A1 EP3738182 A1 EP 3738182A1 EP 18803983 A EP18803983 A EP 18803983A EP 3738182 A1 EP3738182 A1 EP 3738182A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clamping
- cable
- cable gland
- insert
- dust cover
- 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.)
- Pending
Links
Classifications
-
- 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
- H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
- H02G3/0616—Joints for connecting tubing to casing
- H02G3/0625—Joints for connecting tubing to casing with means for preventing disengagement of conductors
- H02G3/0658—Joints for connecting tubing to casing with means for preventing disengagement of conductors with means constricting the conductor-insulation
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/12—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing
-
- 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
- H02G15/00—Cable fittings
- H02G15/013—Sealing means for cable 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
- H02G3/02—Details
- H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
- H02G3/0616—Joints for connecting tubing to casing
- H02G3/0625—Joints for connecting tubing to casing with means for preventing disengagement of conductors
- H02G3/0675—Joints for connecting tubing to casing with means for preventing disengagement of conductors with bolts operating in a direction parallel to the conductors
-
- 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
-
- 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
- H02G3/081—Bases, casings or covers
- H02G3/083—Inlets
- H02G3/085—Inlets including knock-out or tear-out sections
Definitions
- the invention relates to a cable gland element with a deformable clamping.
- Cable glands are known from the prior art, which have a socket with an external thread, a clamping nut and arranged between these two parts clamping element, which serves for clamping and possibly for sealing a cable carried out. Cable glands of this type are intended, among other things, for cable glands on housings of devices or control cabinets. When screwing the clamping nut with the nozzle, the clamping element is deformed, thereby exerting a clamping action on a performed cable.
- EP1675244 published for the first time on 28.06.2006 in the name of Pflitsch GmbH and Co. KG, relates to a screw connection for sealed cable bushings with a tubular part and a pressure screw with axial passage opening and a sealing and clamping part.
- the sealing and clamping part is formed by a einzi ges part, namely an elastic sealing insert, which is ge at the first end in adaptation to the pressure screw on the outside correspondingly shaped.
- a disadvantage of the cable glands known from the prior art is that they protect a housing interior inadequate against external influences when installed.
- An object of the invention is to show a cable gland, which avoids the disadvantage of the prior art.
- a cable gland according to the invention has a passage opening extending in an axial direction for passing or inserting a cable into a housing of a device, a control cabinet or the like, to which the cable gland can be fastened.
- the cable gland includes a connecting piece for attaching the cable gland.
- the cable gland includes a threaded with the nozzle in the axial direction operable clamping nut, and arranged between the nozzle and the clamping nut, one or more parts annular clamping element.
- the clamping element consists of a deformable material and is used to clamp the cable in the passage opening by the clamping element is deformed by screwing the clamping nut relative to the nozzle inwardly towards the cable. Furthermore, the clamping element can serve for sealing the cable against the cable gland.
- the passage opening extends through a passage opening of the nozzle, a through opening of the clamping nut and through the annular clamping element and may be closed by a dust cover before passing the cable.
- This dust cover can already be opened during the installation of the cable gland or at a later installation of the cable after the cable gland is already fastened to a housing wall, so that the clamping element as well as the inside of the cable gland or of the connected housing is protected against environmental influences. Dirt, dust or water penetration is protected, as long as no cable is installed.
- the dust cover is attached directly to the clamping element.
- the dust cover can be formed directly on the clamping element, for example via a thin point and can be separated out along this if necessary.
- the dust cover may also include a through the opening via exciting membrane, which is pierced during installation with the cable or egg nem tool.
- the membrane can itself have a thin spot, which simplifies piercing.
- the membrane be designed as a bend protection for the cable.
- the membrane can alternatively or additionally serve as a seal for the cable.
- the dust cover can also be designed as a separate stopper, which is compatible with the passage opening and can be used in this.
- the plug can be directly operatively connected via a band with the clamping element.
- the plug and the clamping element can be made by injection molding of the same material.
- the clamping element may comprise an annular outer and in the assembled state, at least one arranged therein annular Ren clamping insert, which serves to reduce the diameter of the through-opening.
- the at least one inner clamping insert can have a slot for laterally inserting a cable over its entire length in the axial direction from a directional opening pointing towards the inside to an outer side of the clamping insert which faces away from the opening. Good results are achieved when the dust cover is arranged on the at least one neren clamping insert.
- the dust cover can be arranged in the axial direction at one end of the outer and / or the at least one inner clamping insert.
- the dust cover can be formed directly on the clamping element. If a plurality of inner clamping inserts are present, it is conducive to easy separation, when the dust protection is mounted in the axial direction on an end face of at least one inner clamping insert, so that the thin spot is exposed even in the assembled state. Good results are achieved if, with several inner clamping inserts, the dust protection in the radial direction is arranged at the outermost of the inner clamping inserts.
- a dust cover which is introduced to the at least one inner clamping insert, also has the advantage easier to be removed from the cable gland bar without the cable gland must be completely disassembled for it. For this it is helpful if an outer diameter of the dust protection index is greater than the inner diameter and smaller than an outer diameter of the inner clamping insert, to which the dust cover is attached. Furthermore, it is conducive if an outer diameter of the inner clamping insert, on which the dust cover is attached, is smaller than an inner diameter of the through opening of the clamping nut.
- the passage opening of the clamping nut or the passage opening of the nozzle are in this case advantageously larger than the passage opening of the cable, or the inner diameter of the smallest verwen Deten inner clamping insert.
- the passage opening of the cable in this case extends through the respective passage opening of the connection piece or the clamping nut. In this way, so the dust cover alone or together with the attached clamping insert can be removed without the clamping nut must be completely unscrewed.
- the risk of undesired displacement of the respective clamping inserts in the axial direction can be reduced, in that the annular outer clamping insert has a stop for the at least one annular inner clamping insert arranged therein.
- the dust cover itself for example, can serve as an axial stop for all radially in NEN lying clamping inserts, as the clamping insert on which the dust cover is fastened fastened.
- An undesired slippage of the clamping inserts relative to one another can additionally be minimized by the outer and / or the inner clamping insert having at least one radially encircling projection on an inner side pointing in the direction of the passage opening and / or in an outer side pointing away from the direction of the passage opening.
- the radial elevation may also be present only partially over the circumference.
- the clamping element is advantageously formed of a soft elastic / deformable material, a corresponding groove is not absolutely necessary.
- a correspondingly deformable material also has the advantage of good clamping and possibly sealing properties.
- An integrally formed on the clamping element Dust protection may consist of the same material as the clamping element. If the molded dust cover further comprises a membrane, due to the soft elastic properties of the material, it may also be carried out as a local dilution of the material which can easily be pierced by the cable.
- the outer clamping insert on an outer side (pointing away from the lead-through opening) have a shoulder which abuts in the assembled state ge conditions an end face of the flange.
- the clamping nut may comprise a radially inwardly facing inner cone which exerts an axial force on the clamping element, advantageously above the outer clamping insert, when the clamping nut is attached to the flange.
- the axial force leads to a deformation of the clamping element and thus to a narrowing of the passage opening, or clamping of the cable.
- the clamping element advantageously also the outer clamping insert, a first anti-rotation feature, which engages in an assembled state in a second Vermos fuse the nozzle.
- the nozzle for attachment to a housing may include a flange and a thread at a first end depending on the application.
- the clamping nut over a Ge thread with the nozzle be operatively connected.
- FIG. 1 shows a first variant of a cable gland according to the invention in a perspective and partially sectioned view
- Fig. 2 is a disassembled cable gland according to Figure 1 in a perspective and partially sectioned view;
- FIG. 3 A cable gland according to Figure 1 in a sectional view; 4 shows a second variant of a cable gland according to the invention in a sectional view;
- Fig. 5 is a disassembled cable gland according to Figure 4 in a perspective and partially sectioned view. DESCRIPTION OF THE EMBODIMENTS
- Figure 1 and Figure 2 show a first variant of an inventive cable gland 1 in a perspective and partially sectioned view.
- Figure 1 illustrates an assembled state
- Figure 2 shows a disassembled state of the cable gland 1 (exploded view, disassembled in the axial direction).
- Figure 3 shows the same variant of the cable gland 1 in egg ner cut view from the side.
- the cable gland 1 has a through-opening 3 extending in the axial direction (x-direction) for passing through a cable (not shown in more detail).
- the cable gland 1 comprises a connecting piece 2, one with the nozzle 2 in the axial direction (x-direction) operatively connected clamping nut 4, and a rule between the nozzle 2 and the clamping nut 4 arranged inside, one or more parts, annular clamping element 6 for clamping of the cable in the lead-through opening 3.
- the variant shown is shown before passing through a cable, ie when the lead-through opening 3 is still closed by a dust cover 9.
- the nozzle 2 comprises at a first end a flange 5 as well a first external thread 1 1 for attaching the cable gland 1 to a housing or the like.
- a sealing ring 1 3 is furthermore mounted in a groove 14 along the flange 5.
- a second external thread 1 2 to which the clamping nut 4 can be screwed via an internal thread 15.
- the clamping element 6 has on an outer side 22 (of the lead-through opening pointing away) a shoulder 1 7, which rests in the assembled state against an end face 23 of the flange 2.
- the clamping nut 4 radially inwardly on an inner cone 20, so that when attaching the clamping nut 4 on the flange 5 axial and radial forces are exerted on the intervening lowing clamping element 6.
- the clamping element comprises a first anti-rotation device 18, which engages in a second anti-rotation 1 9 of the nozzle and a radial rotation of these two parts prevents each other ver.
- the clamping element 6 comprises in the variant shown an annular äusse Ren clamping insert 7 and a total of three arranged therein annular inner clamping inserts 8 a, 8 b, 8 c, which serve to reduce the diameter of the passage opening 3.
- the number of inner clamping inserts 8, may vary depending on the appli cation.
- the inner clamping inserts 8a, 8b, 8c can be subsequently introduced into the already installed cable gland 1 through a passage opening of the clamping nut 4 in the variant shown.
- the annular outer clamping insert 7 for this purpose preferably comprises a stop 1 6 for the at least one arranged therein annular inner clamping insert 8, so that slipping of the at least one inner clamping insert 8 in the Ka belverschraubung 1 is avoided if possible. A further slippage in the axial direction (x-direction) is avoided by multiple radially encircling elevations 1 0 on the inner sides 21 (each side facing the passage opening 3) of the clamping inserts 7, 8.
- the connecting piece 2 When assembling, first of all, the connecting piece 2 can be screwed to the housing via the first external thread 11, for example to a housing, until the flange 5 and the sealing ring 1 3 bear against it.
- the clamping element 6 can be further operatively connected via the first and second anti-rotation 1 8, 1 9 with the nozzle 2.
- the inner clamping inserts 8b and 8c are already introduced into the clamping insert 8a and this is placed in the outer clamping insert 7.
- the clamping nut 4 with the internal thread 1 5 can be screwed onto the second external thread 1 2 of the socket 2, thus applying a clamping force to the clamping element 6, respectively the clamping inserts 7, 8.
- FIG. 4 and Figure 5 show a second variant of the inventive cable gland 1 in an assembled ( Figure 4) and a disassembled state ( Figure 5 - exploded view, disassembled in the axial direction).
- the second variant of the cable gland 1 differs from the cable gland 1, as shown in Figure 1 to Figure 3, characterized in that the dust protection 9 is arranged at a different axial position.
- the dust cover 9 at one end facing the flange 5 also serves as a stop for the other clamping inserts 8b, 8c, which have no dust guard 9. This is possible because the dust guard 9 is mounted on the inner clamping insert 8a with the largest diameter, so that all inner lying inner clamping inserts 8b and 8c with correspondingly smaller diameters strike this in the axial direction and slipping in this direction by the dust cover 9 is limited.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cable Accessories (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00013/18A CH714541A2 (de) | 2018-01-08 | 2018-01-08 | Kabelverschraubung. |
PCT/EP2018/081605 WO2019134768A1 (de) | 2018-01-08 | 2018-11-16 | Kabelverschraubung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3738182A1 true EP3738182A1 (de) | 2020-11-18 |
Family
ID=64332092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18803983.8A Pending EP3738182A1 (de) | 2018-01-08 | 2018-11-16 | Kabelverschraubung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3738182A1 (de) |
CN (1) | CN111771313B (de) |
CH (1) | CH714541A2 (de) |
WO (1) | WO2019134768A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220349498A1 (en) * | 2021-04-29 | 2022-11-03 | APG Vision LLC | Ball Mount with Integrated Cable Gland |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2508441Y (zh) * | 2001-10-08 | 2002-08-28 | 烙克赛克国际股份有限公司 | 一种可变径穿隔密封 |
DE20318747U1 (de) | 2003-12-04 | 2004-02-19 | Geissel GmbH Präzisions-Drehteile | Kabelverschraubung |
DE102004061488A1 (de) | 2004-12-21 | 2006-07-06 | Pflitsch Gmbh & Co. Kg | Verschraubung für abgedichtete Leitungsdurchführungen |
DE202005007288U1 (de) * | 2005-05-07 | 2005-08-18 | Avc Industrial Corp., Wu Ku | Dichter Kabelstutzen |
DE202005014138U1 (de) | 2005-09-07 | 2005-11-10 | Anton Hummel Verwaltungs-Gmbh | Bausatz oder Set umfassend wenigstens zwei unterschiedlich bemessene Typen von Kabelverschraubungen |
CN200953454Y (zh) * | 2006-09-27 | 2007-09-26 | 上海文依塑料制品有限公司 | 电磁兼容屏蔽电缆防水夹紧接头 |
US20090025977A1 (en) * | 2007-07-25 | 2009-01-29 | Anderson Timothy W | Removable cable gland |
TWM331240U (en) * | 2007-11-09 | 2008-04-21 | Avc Ind Corp | The fixed connector for cable and corrugated pipe |
CN201584713U (zh) * | 2009-11-19 | 2010-09-15 | 如皋市凯凯电信器材有限公司 | 一种线缆卡具 |
EP2592708A4 (de) * | 2011-06-30 | 2014-08-13 | Beisit Electric Hangzhou Co Ltd | Kabelbefestigungskopf |
JP5092062B1 (ja) * | 2012-04-26 | 2012-12-05 | オーム電機株式会社 | ケーブルクランプ |
ES2546497T3 (es) * | 2012-11-26 | 2015-09-24 | Lapp Engineering & Co. | Dispositivo para el paso estanco de piezas moldeadas largas |
CH707906A2 (de) * | 2013-04-05 | 2014-10-15 | Agro Ag | Kabelverschraubung. |
CN103633590A (zh) * | 2013-12-11 | 2014-03-12 | 倍仕得电气(杭州)有限公司 | 电缆固定头和电气设备 |
CN203942254U (zh) * | 2014-03-28 | 2014-11-12 | 朱新平 | 用于配电箱电缆格兰的多层变径密封圈 |
CN204068132U (zh) * | 2014-08-28 | 2014-12-31 | 上海置信电气非晶有限公司 | 一种用于智能箱变的电缆变径密封件 |
CN204118622U (zh) * | 2014-09-12 | 2015-01-21 | 中国石油天然气股份有限公司 | 防水接头 |
DE102016002959A1 (de) * | 2016-03-12 | 2017-09-14 | Jacob Gmbh Elektrotechnische Fabrik | Vorrichtung zum Befestigen einer Leitung |
CN105914698A (zh) * | 2016-05-04 | 2016-08-31 | 国网新疆电力公司哈密供电公司 | 一种电缆孔洞密封塞及其生产方法 |
CN206302111U (zh) * | 2016-12-27 | 2017-07-04 | 倍仕得电气科技(杭州)股份有限公司 | 一种屏蔽电缆固定头 |
CN107332177A (zh) * | 2017-06-28 | 2017-11-07 | 上海新龙塑料制造有限公司 | 一种电缆固定头和电气设备 |
-
2018
- 2018-01-08 CH CH00013/18A patent/CH714541A2/de unknown
- 2018-11-16 EP EP18803983.8A patent/EP3738182A1/de active Pending
- 2018-11-16 WO PCT/EP2018/081605 patent/WO2019134768A1/de unknown
- 2018-11-16 CN CN201880085799.5A patent/CN111771313B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
WO2019134768A1 (de) | 2019-07-11 |
CN111771313B (zh) | 2022-06-21 |
CH714541A2 (de) | 2019-07-15 |
CN111771313A (zh) | 2020-10-13 |
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