EP3570386A1 - Boîte d'appareil destiné au raccordement électrique d'un appareil électrique, câble de raccordement, appareil électrique et procédé de fabrication d'une boîte d'appareil - Google Patents

Boîte d'appareil destiné au raccordement électrique d'un appareil électrique, câble de raccordement, appareil électrique et procédé de fabrication d'une boîte d'appareil Download PDF

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Publication number
EP3570386A1
EP3570386A1 EP19172701.5A EP19172701A EP3570386A1 EP 3570386 A1 EP3570386 A1 EP 3570386A1 EP 19172701 A EP19172701 A EP 19172701A EP 3570386 A1 EP3570386 A1 EP 3570386A1
Authority
EP
European Patent Office
Prior art keywords
cable
housing
sealing
electrical
sealing element
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.)
Withdrawn
Application number
EP19172701.5A
Other languages
German (de)
English (en)
Inventor
Mike Schubert
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.)
Unger Kabel Konfektionstechnik GmbH
Original Assignee
Unger Kabel Konfektionstechnik 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 Unger Kabel Konfektionstechnik GmbH filed Critical Unger Kabel Konfektionstechnik GmbH
Publication of EP3570386A1 publication Critical patent/EP3570386A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • H01R13/5208—Sealing means between cable and housing, e.g. grommet having at least two cable receiving openings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/5845—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable the strain relief being achieved by molding parts around cable and connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/005—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for making dustproof, splashproof, drip-proof, waterproof, or flameproof connection, coupling, or casing

Definitions

  • the invention relates to a device socket for electrically connecting an electrical appliance, wherein the device box has a housing frame, a cable with at least two electrical contacts on one end, a sealing element and a cable and the GeHousegerüst at least partially surrounding the rear housing casing, wherein the electrical contacts on a front side of Appliance can are arranged. Furthermore, the invention relates to a connection cable for supplying an electrical appliance with electrical energy, an electrical appliance and a method for manufacturing a device box.
  • the requirements are made that the device boxes provide good handling at a later time as well as realize a secure electrical contact to the electrical device and secure electronic protection.
  • the production should be as automated as possible and carried out by linked production steps.
  • connection cable parts of the device box are usually manufactured by injection molding.
  • different cables can be connected to the device box by means of injection molding. Because of the Inside the device socket lying electrical contacts, it may happen that when injecting a sheath of the device box liquid injection molding material penetrates into the device box and glued and / or damaged the electrical contacts.
  • a waterproof connector with a connection housing and a terminal receiving portion wherein on the side of the power cable, a plug body is inserted surrounded by the terminal receiving portion of the connection housing in a cavity of the connection housing.
  • the core lines of the power cable are passed through core through holes of the plug body and clamped by grooves of the plug body.
  • the rear end of the connection housing and the corresponding portion of the power cable are enclosed by means of a mold resin layer, wherein during injection molding, a flange of the plug body is pressed against the terminal receiving portion to prevent penetration of molding resin compound into the cavity of the connection housing.
  • the disadvantage here is that the sealing takes place only by the injection pressure of the molding resin during injection molding.
  • the object of the invention is to improve the state of the art.
  • a device box for electrically connecting an electrical appliance wherein the device box a GeHousegerüst, a cable with at one end at least two electrical contacts, a sealing element and a back housing casing at least partially surrounding the cable and the housing frame, wherein the electrical contacts are arranged on a front side of the device box, and the sealing element has at least two cable sealing lips and housing frame sealing lips arranged one behind the other, which mechanically contact the cable and / or the housing frame so that in an injection molding of the rear housing casing, the front side arranged electrical contacts remain free of injection molding compound.
  • the electrical contacts are protected by the sealing element electrically and procedurally safe against the ingress of injection molding compound in the contour formation of the device connection box.
  • a standard component is provided with the housing skeleton of the device box, which is adapted by spraying the rear housing casing for the needs of the respective electrical appliance.
  • the adaptation to country-specific requirements can be realized in a simple manner.
  • the device box can be connected with different cables by means of injection depending on the country requirement.
  • a closure and a seal in the region of the cable outlet are realized from the device box at the same time by the injection molding.
  • An essential idea of the invention is based on the fact that the electrical contacts introduced in a housing scaffold are backed by a sealing element are securely protected, so that the injection molding material is prevented from being injected backwards when the rear casing is sprayed on.
  • the sealing element seals by means of at least two successively arranged cable sealing lips the cable or corresponding two cables associated with the cable and by at least two successively arranged GeHousegerüstdichtlippen by contacting with the housing inner walls additionally from the inside of the housing.
  • a “device socket” (also called “device connection unit”, “device connection box” or “device connection plug”) represents, in particular, an electrical connection between the device's internal wiring of an electrical device and a connection cable, for example the supply conductor of the current flow (power supply).
  • appliance box and appliance plug are essentially a plug-in system, which serves for the electrical safe connection and plug and socket together realize the plug-in system.
  • An "electrical appliance” is in particular a device powered by electrical energy for private or commercial use.
  • the electrical appliance is in particular supplied directly from the mains with energy.
  • An electrical appliance is for example a soldering station, a medical device or a household appliance. Under the term household appliance For example, an electric stove, a dishwasher or a washing machine.
  • a "housing framework” is in particular a housing part, to which the device box is formed by injection molding of the injection molding compound.
  • the housing skeleton can for example be prefabricated by injection molding itself.
  • the electrical contacts are accommodated, in particular, on the inside.
  • the housing framework may have a receiving area for the sealing element.
  • the housing scaffold can have a closing device, so that it can be closed in the jacket-free state.
  • a “cable” is in particular a one-or multi-core composite of cores (single conductors) encased in insulating material.
  • the wires (also referred to as supply conductors) of the cable are in particular encased with insulation, but in particular are stripped in the region of the electrical contact so that free (“bare") wire and / or free strands are present at the location of the electrical contact.
  • electrical contacts are arranged at the free ends and / or strands of the cable.
  • the "electrical contacts” are in particular standard contacts without special sealing contours. Electrical contacts are, for example, contact receiving clamps.
  • a “sealing element” is in particular an element or a construction which serves unwanted ones To prevent or limit mass transfer from one room to another.
  • the sealing element has in particular strands receiving, cable sealing lips and / or Gephaseusegerüstdichtlippen.
  • the sealing element has at least two cable sealing lips arranged one behind the other as well as at least two housing frame sealing lips arranged one behind the other so that in each case a redundant sealing of the cable and / or the strands and / or the housing scaffold takes place.
  • the sealing element has as material in particular silicone, fluorosilicone, polyurethane (PU) and / or ethylene-propylene-diene rubber (EPDM).
  • a “casing casing” is in particular a casing of injection-molding compound, which is sprayed onto the casing skeleton.
  • the housing casing is applied in particular on the back of the GeHousegerüst, that is, on the side on which the cable enters the GeHousegerüst.
  • the housing casing is arranged in particular on the opposite side of the electrical contacts, wherein the electrical contacts are located on the front of the device box.
  • a “cable sealing lip” and correspondingly a “housing frame sealing lip” is in each case a lip-shaped part of the sealing element which makes mechanical, sealing contact with the cable (and / or the strands) and / or the housing skeleton.
  • a sealing lip is in particular a contact seal.
  • injection is understood to mean, in particular, the application of injection-molding compound for forming the rear-side housing casing of the housing frame and for connecting the cable to the housing frame. Injection takes place in particular by means of an injection molding process in which the injection-molding compound is liquefied and injected under pressure into a mold (injection-molding tool) surrounding the rear housing frame and the cable.
  • the "injection molding compound” is in particular a plastic.
  • the injection molding compound is in particular a thermoplastic and / or thermosetting plastic.
  • the injection molding compound is a polyamide, a thermoplastic elastomer, a polyphenylene sulfide (PPS) or acrylonitrile-butadiene-styrene (ABS).
  • the sealing element has a third cable sealing lip or further cable sealing lips arranged behind one another and / or a third housing frame sealing lip or further housing frame sealing lips.
  • the respective sealing lips may be arranged directly behind one another without clearance or the respective sealing lips may be spaced such that a sealing space is formed between them.
  • the third cable sealing lip or further cable sealing lips correspond to the cable sealing lip defined above.
  • the third housing sealing lip or further housing frame sealing lips correspond to the housing frame sealing lip defined above.
  • the respective successively arranged cable sealing lips and / or each successively arranged Gepurgerüstdichtlippen are each spaced apart, so that a first cable sealing space, a second cable sealing space or more cable sealing spaces and / or a first Gepurgerüstdichtungsraum, a second Gepurgerüstdichtungsraum or further Gepurgerüstdichtungssammlung forms or train.
  • these air-filled sealing chambers advantageously constitute an insulation within the device box.
  • a “cable sealing space” and a “housing scaffold sealing space” are each a space between two adjacent cable sealing lips or GeHousegerüstdichtlippen of the sealing element.
  • the sealing element is designed in two parts or in several parts.
  • the sealing element is divided horizontally and first the strands are inserted into corresponding Litzenagen of the lower half-sealing element, then placed the upper half-sealing element and the GeHousegerüst closed.
  • the housing skeleton can also be designed in two parts.
  • the Gescousegerüst In order to introduce the sealing element in a simple manner in the GeHousegerüst and a simple injection of the To realize the rear housing casing, the Gepurgerüst on a receptacle for the sealing element, wherein the receptacle is arranged on the rear side in an outer region of the GeHousegerüstes.
  • the outer surface of the receiving area can be injection-molded with the injection-molding compound, while the cable and / or the strands are inserted through the sealing element into the interior of the housing framework on the inside.
  • a Jardinknickschutz is arranged on the housing casing, in particular molded.
  • a "Kabelknickschutz” is in particular a device which is intended to protect a flexible cable against excessive stress, especially kinking or tearing.
  • a cable kink protection is a protective, fabric-reinforced sheath of the cable, which avoids squeezing, buckling and / or breaking off the cable.
  • the object is achieved by a connecting cable for supplying an electrical appliance with electrical energy, wherein the connecting cable has at one end a device box described above.
  • an electrical plug in particular a Schuko plug, is arranged at the other end.
  • connection cable can be plugged by means of the electric plug directly into a standard power outlet to supply the electrical appliance with power.
  • the object is achieved by an electrical appliance having a previously described connection cable.
  • a method is provided in which, starting from a housing skeleton, different forms of a device socket can be realized by injection molding and different cables can be connected to the device socket. It is particularly advantageous that, starting from a single standard housing scaffolding with the method according to the invention, different device boxes with different cables can be easily adapted to the different country requirements and / or requirements by the electrical appliance.
  • a connection cable 141 comprises a cable 103, at the end of which a device socket 101 is arranged.
  • the device socket 101 has a jacket 131 on a rear side 135.
  • electrical contacts 107 are disposed within the GeHousegerüstes 111.
  • the sheath 131 additionally has a kink protection 105 around the cable 103.
  • connection cable 141 was made as follows:
  • a housing skeleton 111 produced by injection molding is divided horizontally (not shown).
  • a sealing half 121 is inserted in the rear-side sealing receiving region 115 of the housing skeleton 111.
  • the seal half 121 has three Shell frame seal lips 123 and three strand seal lips 127.
  • the three housing frame sealing lips 123 make contact with an inner wall of the housing frame 111, which forms the seal receiving area 115 of the housing frame 111.
  • each strand receiving 125 the strands 109 of the cable 103 are inserted.
  • the electrical contacts 107 are arranged on the front side 133 of the subsequently manufactured device box 101.
  • a second sealing half 121 is also used in such a way that the strand receptacle 125 completely surround the strands 109 by means of the three strand sealing lips 127.
  • the housing frame 111 is closed, so that a device box before spraying a device box sheath according to FIG. 4 is present.
  • the housing skeleton 111 has hooking elements 129 in an outer area. These interlocking elements 129 and the outer surface of the outer walls forming the seal receiving area 115 and the cable 103 are overmolded with the sheath 131. Due to the two sealing halves 121 with the respectively successively arranged GeHousegerüstdichtungslippen 123 and Litzendichtungslippen 127 penetrates during encapsulation no injection molding compound in the interior of the Gekorusegerüstes 111 a. After the injection process is thus the connection cable 141 with associated device box 101 before.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
EP19172701.5A 2018-05-17 2019-05-06 Boîte d'appareil destiné au raccordement électrique d'un appareil électrique, câble de raccordement, appareil électrique et procédé de fabrication d'une boîte d'appareil Withdrawn EP3570386A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018111919.4A DE102018111919A1 (de) 2018-05-17 2018-05-17 Gerätedose zum elektrischen Verbinden eines Elektrogeräts sowie Verbindungskabel und Elektrogerät

Publications (1)

Publication Number Publication Date
EP3570386A1 true EP3570386A1 (fr) 2019-11-20

Family

ID=66429234

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19172701.5A Withdrawn EP3570386A1 (fr) 2018-05-17 2019-05-06 Boîte d'appareil destiné au raccordement électrique d'un appareil électrique, câble de raccordement, appareil électrique et procédé de fabrication d'une boîte d'appareil

Country Status (2)

Country Link
EP (1) EP3570386A1 (fr)
DE (1) DE102018111919A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230061067A1 (en) * 2021-08-31 2023-03-02 Rivian Ip Holdings, Llc Cable protection structures

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69519608T2 (de) 1994-08-09 2001-05-10 Sumitomo Wiring Systems, Ltd. Wasserdichter Verbinder
DE102015120283A1 (de) * 2015-11-24 2017-05-24 Unger Kabel-Konfektionstechnik GmbH & Co. KG Gerätedose, Elektrogerät sowie Verfahren zum Herstellen der Gerätedose

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69519608T2 (de) 1994-08-09 2001-05-10 Sumitomo Wiring Systems, Ltd. Wasserdichter Verbinder
DE102015120283A1 (de) * 2015-11-24 2017-05-24 Unger Kabel-Konfektionstechnik GmbH & Co. KG Gerätedose, Elektrogerät sowie Verfahren zum Herstellen der Gerätedose

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230061067A1 (en) * 2021-08-31 2023-03-02 Rivian Ip Holdings, Llc Cable protection structures
US12355183B2 (en) * 2021-08-31 2025-07-08 Rivian Ip Holdings, Llc Cable protection structures

Also Published As

Publication number Publication date
DE102018111919A1 (de) 2019-11-21

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