EP3888205A1 - Presse-étoupe pour câble - Google Patents

Presse-étoupe pour câble

Info

Publication number
EP3888205A1
EP3888205A1 EP19817585.3A EP19817585A EP3888205A1 EP 3888205 A1 EP3888205 A1 EP 3888205A1 EP 19817585 A EP19817585 A EP 19817585A EP 3888205 A1 EP3888205 A1 EP 3888205A1
Authority
EP
European Patent Office
Prior art keywords
cable
housing
housing component
sealing body
wall opening
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
Application number
EP19817585.3A
Other languages
German (de)
English (en)
Inventor
Jörg NOWASTOWSKI-STOCK
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.)
Conta Clip Verbindungstechnik GmbH
Original Assignee
Conta Clip Verbindungstechnik 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 Conta Clip Verbindungstechnik GmbH filed Critical Conta Clip Verbindungstechnik GmbH
Publication of EP3888205A1 publication Critical patent/EP3888205A1/fr
Pending 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
    • 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
    • H02G3/06—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Definitions

  • the invention relates to a cable gland for passing a cable through a wall opening.
  • Such cable glands serve to lead one or more cables through an opening in a wall, for example through a housing wall of an electrical device or a control cabinet.
  • such cable glands can be used in any housing that consists, for example, of a metal or plastic material.
  • the cable is usually to be passed through the wall in a sealed manner, in particular in such a way that entry of dirt and / or moisture through the wall opening is avoided.
  • Known cable glands are made in several parts, such that housing parts screwed together are provided for arrangement on opposite sides of the wall opening in a cable bushing housing.
  • the housing parts are arranged on opposite sides of the wall opening and connected to one another through the wall opening by producing a screw connection.
  • one or more sealing bodies are provided, which are integrated when the housing components are screwed on, in order to form a seal for the cable passed through the bushing housing.
  • the object of the invention is to provide a cable gland that can be easily assembled.
  • a screwed cable gland which has a cable entry housing, is formed from a first housing component and a second housing component, which are arranged on a wall opening on opposite sides of the wall opening and are detachably connected to one another, between a wall section surrounding the wall opening to pinch.
  • the cable gland also has a cable passage, which is formed through the cable bushing housing when the first and the second housing component are connected to one another, for example detachably.
  • a cable seal is provided which is formed on the cable bushing housing with a sealing body which is formed around the cable bushing and sealingly receives a cable received therein.
  • the cable bushing housing and the sealing body are made of different plastic materials, the sealing body being integrally formed on the cable bushing housing.
  • the cable bushing housing for forming the cable gland or cable wall bushing is mounted on the wall opening and at least one cable is arranged in the cable bushing, a circumferential contact can be formed for the sealing body with the at least one cable in order to provide a sealing effect.
  • the sealing body is pressed and deformed in order to form the sealing effect.
  • a detachable connection of the housing components can be carried out, for example, by means of a screw connection or a clip connection.
  • the first housing component can be designed as a screw-in body and the second component as a pressure screw, into which a section of the screw-in body is screwed when the housing components are connected.
  • the cable feed-through housing consists of the two housing components
  • further components can be provided to form the cable screw connection, for example at least one washer, which can be pushed or pushed onto a section of the first housing component, for example, which is optionally provided with an external thread. The washer can then rest on an edge surrounding the wall opening when the two housing components are connected.
  • the sealing body can be integrally formed on the first housing component. When connecting the two housing components, a pressure can be exerted on the sealing body in order to develop the sealing effect.
  • the sealing body can be integrally formed on the end of the first housing component in an end section which is arranged in the second housing component when the first and the second housing component are connected to one another.
  • the sealing body can be integrally formed on the first housing component on an end-side end section such that when the housing components are connected, the second housing component presses against the end-side sealing body.
  • the sealing body can encompass the end section of the first housing component in one piece on the outside and inside.
  • the outside and inside gripping of the end section for example an end section on the front side, can be interrupted all the way round or can be continuous.
  • the sealing body can be integrally formed on the second housing component.
  • the sealing body is integrally formed on the second housing component.
  • the sealing body can be integrally formed on the inside of the second housing component. It can be provided that the sealing body is arranged in relation to the wall opening on a distal end section of the second housing component.
  • the first housing component can then press against the inner sealing body.
  • the sealing body can be designed in several parts, in particular in such a way that a first sealing body is integrally formed on the first housing component and a second sealing body on the second housing component.
  • first and the second sealing body When connecting the first and the second housing component, it can be provided that the first and the second sealing body come to rest or come into contact with one another in order to jointly form the seal for the at least one cable in the cable passage.
  • a projection formed on the first sealing body for example a sealing lip, engages in a recess formed on the second sealing body, for example a groove, when the two housing components are connected to one another to form the cable bushing housing.
  • the sealing body can be integrally formed on the inside of the second housing component adjacent to an end-side opening of the second housing component distal with respect to the wall opening, in such a way that when the first and second housing components are connected, a mutual pressing section of the first housing component is pressed against the sealing body.
  • the sealing body can encompass the distal opening on the end face continuously or interrupted.
  • a threaded section assigned to the wall opening can be arranged on the outside of the first housing component and can be screwed into the wall opening.
  • the external thread on the first housing component which can be implemented, for example, as a screw-in body, can be used to screw the first housing component into the wall opening.
  • a section of the first housing component which passes through the wall opening can (loosely) pass through the wall opening without a screw connection being formed here.
  • the housing section of the first housing component can simply be pushed through the wall opening in order to be connected to the second housing component on the opposite side, for example by means of a screw connection.
  • the first housing component can first be fastened or clamped to it by means of a lock nut after being pushed through the wall opening in order to subsequently screw on the second housing component.
  • a conical plug-in section assigned to the wall opening can be arranged, which can be plugged into the wall opening.
  • the first housing component can be clamped therein when it is inserted into the wall opening, in particular when connecting to the second housing component if, in one embodiment, it is screwed onto the first housing component in order to ensure that between the two housing components Clamp the edge surrounding the wall opening in between.
  • the first housing component with the conical plug-in section can be drawn further into the wall opening.
  • a plurality of conical sections can be provided distributed all around. A continuous, conical projection can also be provided.
  • the sealing body can be a soft component made of a thermoplastic elastomer.
  • the first and / or the second housing component can be designed as two-component injection molded components for integrally molding the sealing body.
  • the cable bushing housing that is to say the first and / or the second housing component, forms a hard component made of a harder plastic material than the sealing body, which forms the soft component made of the thermoplastic elastomer.
  • the cable seal can be designed to provide cable strain relief.
  • a multifunctional sealing body is provided which, in addition to the seal, also provides a cable strain relief when the first and the second housing component are connected to one another.
  • a further sealing body which seals the wall opening can be arranged on the cable bushing housing and is integrally formed on the cable bushing housing.
  • the second housing component can have a screw cap with an internal thread, which can be screwed onto an external thread of the first housing component and thereby presses the sealing body.
  • a method for producing a cable gland in which a two-piece cable feed-through housing is produced, in that a first housing component and a second housing component, which form the cable feed-through housing, are arranged on a wall opening on opposite sides of the wall opening and are connected to one another (releasably), so that a wall section (edge) surrounding the wall opening is clamped between them.
  • At least one cable to be passed through the wall opening is arranged in a cable passage or a cable bushing which is formed through the cable bushing housing when the first and the second housing component are connected to one another.
  • the at least one cable is sealed with the aid of a cable seal which is formed on the cable passage housing with a sealing body which is formed around the cable passage and sealingly receives the cable arranged therein.
  • a cable entry housing and a sealing body made of different plastic materials are used to manufacture the cable gland, the sealing body being inserted onto the cable entry housing. is molded on.
  • the first housing component can be fastened or clamped to the wall in the region of the wall opening by means of a lock nut, which is screwed onto the first housing component after it has been inserted into the wall opening and inserted with a front section through it.
  • the first housing component can initially be inserted (and inserted in sections) from the inside or an outside of the wall with the wall opening into the wall opening, subsequently screwing on the second housing component, for example a screw cap or pressure screw, from the opposite side.
  • Fig. 1 is a schematic perspective view of housing components for a
  • Cable entry housing as well as a washer for a cable gland when not installed;
  • FIG. 2 shows a further perspective illustration of the arrangement from FIG. 1 in section
  • FIG. 3 shows a schematic illustration of a cable screw connection with the housing components from FIG. 1 in section;
  • FIG. 4A and 4B are schematic perspective views of the cable gland from Fig.
  • FIG. 5 shows a schematic perspective illustration of housing components for a further cable feed-through housing and a washer for a further cable screw connection in the non-assembled state
  • FIG. 6 shows a further perspective illustration of the arrangement from FIG. 5 in section;
  • Fig. 7 is a schematic representation of another cable gland with the
  • FIG. 8A and 8B are schematic perspective views of the further cable gland from FIG. 7.
  • FIG. 1 shows a schematic perspective illustration of a first and a second housing component 10, 11 and a washer 12, which can be used, a cable screw connection or to produce a cable wall bushing 13 with a cable bushing housing 13a from the first and second housing components 10, 11, as is shown in FIGS. 3 and 4A, 4B.
  • FIG. 2 shows a further schematic perspective illustration of the arrangement from FIG. 1 in section.
  • the first and the second housing component 10, 11 are each made of a plastic material, for example as an injection molded component.
  • the first housing component 10 is designed as a screw-in body in which the second housing component 11, which is designed as a pressure screw with an internal thread 15, is screwed onto an external thread 14 (cf. FIG. 3).
  • the cable gland 13 shown in FIG. 3 is formed, which is arranged in the region of a wall opening 16 of a wall 17 in order to pass one or more cables (not shown) through the wall opening 16 in a sealing manner.
  • a sealing body 19 is provided for a cable seal 18, which is integrally formed as a soft component on the first housing component 10, for example by means of two-component injection molding.
  • the sealing body 19 consists of a thermoplastic elastomer.
  • a further sealing body 21 is integrally formed on the second housing component 11 in the region of an end face 20 assigned to the wall 17 and forms a seal towards the wall 17 when the second housing component 11 is screwed onto the first housing component 10 to form the cable screw connection 13.
  • the first housing component 10 has a further external thread section 22, which is screwed into the wall opening 16 when the cable gland 13 is formed.
  • conical plug-in sections 23 are provided in order to clamp the first housing component 10 in the wall opening 16.
  • a further cable gland 30 with the cable bushing housing 13a is shown.
  • the same reference numerals as in FIGS. 1 to 4 are used for the same features.
  • the sealing body 19 is now integrally formed on the inside of the second housing component 11 (cf. FIGS. 6 and 7).
  • the sealing body 19 and the further sealing body 21 are connected via a channel 31 which is filled with the material from which the sealing body 19 and the further sealing body 21 are made.
  • the material for the sealing bodies 19, 21 can be introduced via an opening in the injection mold in order to form both sealing bodies 19, 21, the material spreading, for example the soft component such as thermoplastic Elastomer, via the channel 31.
  • a plurality of separate channels equal to the channel 31 can be provided (cf. also FIG. 7).

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cable Accessories (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Insertion, Bundling And Securing Of Wires For Electric Apparatuses (AREA)

Abstract

L'invention concerne un presse-étoupe pour câble comprenant : un boîtier de passage de câble qui est formé en deux parties composées d'un premier composant de boîtier (10) et d'un deuxième composant de boîtier (11) qui, lors d'un montage sur une ouverture murale, sont disposés sur des côtés opposés de l'ouverture murale et sont reliés l'un à l'autre de manière détachable pour serrer entre eux une portion de mur qui entoure l'ouverture murale ; un passage de câble formé à travers ledit boîtier de passage de câble lorsque lesdits premier et deuxième composants de boîtier (10, 11) sont reliés l'un à l'autre ; et une garniture d'étanchéité de câble qui est formée sur le boîtier de passage de câble par un corps d'étanchéité (19), lequel est formé autour du passage de câble et accueille de manière étanche un câble logé dans celui-ci. Le boîtier de passage de câble et le corps d'étanchéité (19) sont constitués de matières plastiques différentes et le corps d'étanchéité (19) est surmoulé d'un seul tenant sur le boîtier de passage de câble.
EP19817585.3A 2018-11-29 2019-11-29 Presse-étoupe pour câble Pending EP3888205A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202018106798.2U DE202018106798U1 (de) 2018-11-29 2018-11-29 Kabelverschraubung
PCT/DE2019/101021 WO2020108706A1 (fr) 2018-11-29 2019-11-29 Presse-étoupe pour câble

Publications (1)

Publication Number Publication Date
EP3888205A1 true EP3888205A1 (fr) 2021-10-06

Family

ID=68840835

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19817585.3A Pending EP3888205A1 (fr) 2018-11-29 2019-11-29 Presse-étoupe pour câble

Country Status (6)

Country Link
US (1) US12040602B2 (fr)
EP (1) EP3888205A1 (fr)
JP (1) JP7474763B2 (fr)
CN (1) CN113169537B (fr)
DE (1) DE202018106798U1 (fr)
WO (1) WO2020108706A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3660995B1 (fr) * 2018-11-28 2023-01-11 WISKA Hoppmann GmbH Presse-étoupe fabriqué de manière intégrale

Family Cites Families (35)

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Also Published As

Publication number Publication date
CN113169537A (zh) 2021-07-23
JP7474763B2 (ja) 2024-04-25
DE202018106798U1 (de) 2020-03-04
WO2020108706A1 (fr) 2020-06-04
JP2022511797A (ja) 2022-02-01
US20210399538A1 (en) 2021-12-23
CN113169537B (zh) 2023-06-16
US12040602B2 (en) 2024-07-16

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