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WO2016128572A1 - Réducteur d'orifice pour boîtier de télécommunications - Google Patents

Réducteur d'orifice pour boîtier de télécommunications Download PDF

Info

Publication number
WO2016128572A1
WO2016128572A1 PCT/EP2016/053080 EP2016053080W WO2016128572A1 WO 2016128572 A1 WO2016128572 A1 WO 2016128572A1 EP 2016053080 W EP2016053080 W EP 2016053080W WO 2016128572 A1 WO2016128572 A1 WO 2016128572A1
Authority
WO
WIPO (PCT)
Prior art keywords
port
reducer
telecommunications box
section
port reducer
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/EP2016/053080
Other languages
English (en)
Inventor
Bart Mattie Claessens
Emilie DE GROE
Peter Claes
Marie-Christine Alma Pauline Lucien DELA RUELLE
Dirk Kempeneers
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.)
Commscope Connectivity Belgium BVBA
Original Assignee
Commscope Connectivity Belgium BVBA
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 Commscope Connectivity Belgium BVBA filed Critical Commscope Connectivity Belgium BVBA
Publication of WO2016128572A1 publication Critical patent/WO2016128572A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • 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
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/088—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings or inlets

Definitions

  • the present disclosure provides a system and method for sealing cable ports of a telecommunications box.
  • Telecommunications boxes are enclosures that include splices and/or house
  • telecommunications equipment therein. They include openings that allow cables to enter and exit the enclosure. These opening are commonly referred to as ports. It is desirable to seal these openings once the cables are routed into and out of the enclosure to prevent intrusion of water or other contaminants. Forming a seal around the cables and the ports can be relatively difficult and time-consuming especially given the fact that the outer diameters of the cables vary.
  • the present disclosure provides a system and method for sealing cable ports of a telecommunications box.
  • the system and method enables quick and easy sealing of cables of a variety of outer diameters.
  • the port of the telecommunications box includes a port reducer that includes a pair of internal gel strips that when compressed deform, and together form a gel ring that provides a seal between the external surface of the cable and the inside of the port reducer.
  • FIG. 1 is a perspective view of one of the port reducer
  • FIG. 2 is a perspective view of the port reducer of FIG. 1 installed in a
  • FIG. 3 is exploded assembly view of the port reducer of FIG. 1 ;
  • FIG. 4 is a partially exploded assembly view of the port reducer of FIG. 1;
  • FIG. 5 is a perspective view of the port reducer of FIG. 1 in an open orientation;
  • FIG. 6 is an end view of the port reducer of FIG. 1;
  • FIG. 7 is a cross sectional view of the port reducer of FIG. 1 installed.
  • the cable ports 10 are apertures in a seal block 12 such as a rubber stopper 12.
  • the rubber stopper 12 is inserted into a pocket in a polymeric telecommunications housing 14.
  • the apertures are circular in shape and have a relatively fixed diameter. This fixed diameter may or may not correspond to the diameter of cables that are routed through the apertures. Some compression of the rubber stopper 12 may occur upon closure of the box (cover to base).
  • port reducers 16 are engaged with some of the cable ports 10.
  • the exterior of the port reducers 16 are sized and shaped to provide a seal with the cable ports 10.
  • the port reducer 16 includes a first portion 18 and a second portion 20.
  • each portion includes half rings 22, 24 of seal material (e.g., gel) therein.
  • the first and second portions 18, 20 are configured such that when they are forced together they lock and form a generally cylindrical body. It should be appreciated that many alternative configurations are also possible.
  • the first and second portions could be hinged and they can be secured together by ties.
  • a method of sealing a cable port of a telecommunications box can include the step of forcing a first portion 18 of a port reducer against a second portion 20 of a port reducer into engagement to secure a section of cable between the first and second portions 18, 20.
  • the step of forcing the first and second portions into engagement presses gel within the port reducer and forces the gel out through apertures 26, 50 in the body of the port reducer 16.
  • This step of enclosing a section of cable within the port reducer also simultaneously radially seals the cable to the port reducer. It should be appreciated that other sealing steps are also possible.
  • the telecommunications housing 14 is a telecommunications box with a base and a cover.
  • the box can be the type that is suspended on a pole, buried underground, or otherwise located.
  • the box includes four cable ports 10.
  • each cable port 10 is defined by an aperture in seal block 12.
  • Port reducer 16 is configured to be inserted into the aperture such that an external surface of the port reducer seals against the aperture.
  • the size, shape, and surface characteristics are such that the port reducer 16 snuggly fits within the cable port 10. In situations where the cable diameter is compatible with the size of the port, no port reducer 16 is needed for sealing. In some applications, some of the cable ports 10 are fitted with port reducers 16 and some are not.
  • the port reducer 16 of the depicted embodiment includes sealant material therein that deforms and creates a seal between the port reducer 16 and a cable that extends through the port reducer.
  • sealant material other than gel could be used (e.g., neoprene, foam, rubber, etc.).
  • the port reducer includes a body that is generally cylindrically shaped.
  • the first portion 18 and the second portion 20 are at least partially separable so that a section of cable can be received between the first and second portions.
  • the first portion 18 and second portion 20 are completely separable.
  • the first portion includes spring arms 28, 30 that engage catches 32, 34 to lock the first portion 18 to the second portion 20.
  • spring arms 28, 30 that engage catches 32, 34 to lock the first portion 18 to the second portion 20.
  • the port reducer when the port reducer is in an assembled orientation it defines a first section 42 having a first diameter, a second section 44 having a second diameter, and a third section 46 having a third diameter.
  • the second section 44 is between the first section 42 and the third section 46 and wherein the second diameter is smaller than both the first diameter and the third diameter.
  • the second section of the port reducer engages the aperture in the seal block 12.
  • the port reducer includes a deformable sealing material such as a gel.
  • gel is in the form of upper and lower half ring strips 22, 24 that are arranged such that when the port reducer is in an assembled orientation the strips cooperatively form an annular ring 36, 38 around an interior surface of the port reducer.
  • the gel forms two spaced apart rings 36, 38 around an interior surface of the port reducer when the first and second portions of the port reducers are engaged with each other.
  • the gel can escape the inner cavity of the port reducer via an aperture 26 in the body of the port reducer.
  • the half rings of gel are pressed together forming a seal, and they also press against the inside surface of the cable port 10 forming a seal.
  • the meeting between the two half rings and the inside surface of the cable port 10 is referred to herein as a triple point 40, 48.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cable Accessories (AREA)
  • Installation Of Indoor Wiring (AREA)

Abstract

La présente invention concerne un système et un procédé destinés à fermer hermétiquement des orifices (10) de câbles d'un boîtier (14) de télécommunications. Le système et le procédé permettent de fermer hermétiquement rapidement et facilement des câbles de divers diamètres extérieurs. Selon un mode de réalisation de la présente invention, l'orifice (10) du boîtier de télécommunications comprend un réducteur (16) d'orifice qui comporte une paire de bandes internes (22, 24) en gel qui, lorsqu'elles sont comprimées, se déforment pour former ensemble un anneau (36) en gel qui fournit un joint entre la surface externe du câble et l'intérieur du réducteur d'orifice.
PCT/EP2016/053080 2015-02-13 2016-02-12 Réducteur d'orifice pour boîtier de télécommunications Ceased WO2016128572A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562116090P 2015-02-13 2015-02-13
US62/116,090 2015-02-13

Publications (1)

Publication Number Publication Date
WO2016128572A1 true WO2016128572A1 (fr) 2016-08-18

Family

ID=55404697

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/053080 Ceased WO2016128572A1 (fr) 2015-02-13 2016-02-12 Réducteur d'orifice pour boîtier de télécommunications

Country Status (1)

Country Link
WO (1) WO2016128572A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018162691A1 (fr) * 2017-03-09 2018-09-13 CommScope Connectivity Belgium BVBA Joint de gel et système incorporant un joint de gel

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020180163A1 (en) * 1999-12-02 2002-12-05 Thorsten Muller Sealing body for longitudinally split cable fittings
CA2876961A1 (fr) * 2012-07-02 2014-01-09 Tyco Electronics Raychem Bvba Unite d'etancheification de cable comportant plusieurs modules d'etancheite

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020180163A1 (en) * 1999-12-02 2002-12-05 Thorsten Muller Sealing body for longitudinally split cable fittings
CA2876961A1 (fr) * 2012-07-02 2014-01-09 Tyco Electronics Raychem Bvba Unite d'etancheification de cable comportant plusieurs modules d'etancheite

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018162691A1 (fr) * 2017-03-09 2018-09-13 CommScope Connectivity Belgium BVBA Joint de gel et système incorporant un joint de gel
US11251596B2 (en) 2017-03-09 2022-02-15 CommScope Connectivity Belgium BVBA Gel seal and system incorporating gel seal

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