EP0883214B1 - Connecteur étanche aux liquides - Google Patents

Connecteur étanche aux liquides Download PDF

Info

Publication number
EP0883214B1
EP0883214B1 EP98109140A EP98109140A EP0883214B1 EP 0883214 B1 EP0883214 B1 EP 0883214B1 EP 98109140 A EP98109140 A EP 98109140A EP 98109140 A EP98109140 A EP 98109140A EP 0883214 B1 EP0883214 B1 EP 0883214B1
Authority
EP
European Patent Office
Prior art keywords
housing
plug
coupling
connector
seal
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.)
Expired - Lifetime
Application number
EP98109140A
Other languages
German (de)
English (en)
Other versions
EP0883214A1 (fr
Inventor
Bernhard Beck
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.)
Endress and Hauser Conducta GmbH and Co KG
Original Assignee
Endress and Hauser Conducta Gesellschaft fuer Mess und Regeltechnik mbH and Co KG
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 Endress and Hauser Conducta Gesellschaft fuer Mess und Regeltechnik mbH and Co KG filed Critical Endress and Hauser Conducta Gesellschaft fuer Mess und Regeltechnik mbH and Co KG
Publication of EP0883214A1 publication Critical patent/EP0883214A1/fr
Application granted granted Critical
Publication of EP0883214B1 publication Critical patent/EP0883214B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
    • 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
    • H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
    • H01R13/5221—Sealing means between coupling parts, e.g. interfacial seal having cable sealing means
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/622—Screw-ring or screw-casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2101/00—One pole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/20—Connectors or connections adapted for particular applications for testing or measuring purposes

Definitions

  • the invention relates to a liquid-tight connector, for example, for two cables to be connected, with a plug and a coupling to which the two cables are connected, with a connector housing and a coupling housing, in which the plug and the coupling are housed, and with a locking ring, by means of which the plug housing and the coupling housing are screwed together.
  • Such a connector is for example from the US 5,478,254 known, other connectors are known for example from the measurement technology as a so-called SMEK connector.
  • SMEK connector With the help of the connector, it is possible, for example, to electrically connect two cables together. Alternatively, it is also possible to electrically connect a sensor to a cable or, more generally, to electrically connect two components together.
  • the connector is liquid-tight.
  • the known SMEK connector is provided with a total of six seals. In each case a seal is arranged between the plug housing or the coupling housing and the locking ring. This ensures that in the bolted state no liquid can penetrate in the region of the locking ring in the two housings. Furthermore, in each case two seals between the connector housing and the coupling housing and the respectively associated component are arranged. This ensures that the connector housing and the coupling housing are liquid-tight at their two associated components facing ends.
  • the object of the invention is to provide a liquid-tight connector having fewer seals.
  • Another advantage is that the invention arranged seal is exposed at any time, not even during the screwing of the plug housing and the coupling housing, a load by a rotary motion or the like. Only the closure member performs a rotational movement, while the connector housing and the clutch housing do not rotate. In this way, in particular wear of the seal is reduced and thus significantly increases the life of the seal.
  • the first seal is an O-ring made of rubber. This makes it possible to achieve a secure and at the same time cost-effective sealing of the plug housing and the coupling housing.
  • the locking ring rotatably connected to the coupling housing and has an internal thread
  • the connector housing has an internal thread associated with the external thread.
  • the connector housing and the coupling housing at their ends facing the two cables each have a seal which is arranged between the respective cable and the respective housing. This ensures that only a single seal on each of the two cables facing ends of the two housings is required with which prevents liquid from entering the plug housing or the coupling housing. According to the invention, in each case one seal is saved by the seal arranged at each end of the two housings in comparison with the prior art.
  • the plug housing and the coupling housing at the ends facing the two cables each have a particular screw cap. This makes it possible to easily insert the cables at the ends of the two housings in the connector and connect to the plug and the coupling.
  • the plug housing, the coupling housing and the locking ring made of plastic.
  • the connector according to the invention is acid and alkali resistant and can be used in particular in environmental technology.
  • a connector 1 is shown, which is composed of a plug part 2 and a coupling part 3.
  • the connector 1 is configured liquid-tight and, for example, in the Measuring technology, especially in environmental technology used.
  • two cables can be electrically connected together. In this case, the one cable with the plug part 2 and the other cable is connected to the coupling part 3, and the plug part 2 is screwed to the coupling part 3.
  • the connector 1 is described in more detail by way of example. However, it is expressly understood that instead of the two cables and a sensor and / or quite generally another component can be directly or indirectly connected to the plug part 2 and / or the coupling part 3.
  • the plug part 2 has a plug 4, a shield 5, a plug housing 6 with a seal 7, a cap 8 and a seal 9.
  • the components mentioned are configured substantially rotationally symmetrical and have a common longitudinal axis 10.
  • the shield 5 is approximately positively fitted on the plug 4.
  • the plug 4 with the attached shield 5 is inserted into the connector housing 6.
  • the cap 8 is screwed onto the plug housing 6 by means of two threads 11, 12.
  • the seal 9 is arranged, which protrudes at least partially into the connector housing 6.
  • an opening 13 is included, through which a cable can be inserted into the connector housing 6 and connected to the plug 4 in a manner not shown. The cable is passed through the seal 9 in the connected state.
  • the seal 9 is designed as a rubber grommet. When connected cable, the seal 9 is pushed apart by screwing the cap 8. The seal 9 on the one hand firmly against the cable and on the other hand firmly against the inner wall of the cap 8, the front side of the plug housing 6, the inner wall of the shield 5 and the end face of the plug 4 to the plant. Thus, no liquid between the threads 11, 12 or pass through the opening 13 to the plug 4 and the Abschrimung 5. It is thus achieved a liquid-tight connection of the cable and the connector part 2.
  • the coupling part 3 has a shielded coupling 14, a coupling housing 15, a cap 16 and a seal 17.
  • the components mentioned are designed substantially rotationally symmetrical to the longitudinal axis 10.
  • the clutch 14 is inserted into the clutch housing 15.
  • the cap 16 is screwed onto the coupling housing 15 by means of two threads 18, 19.
  • the seal 17 is arranged, which protrudes at least partially into the coupling housing 15.
  • an opening 20 is included, through which a cable can be inserted into the coupling housing 15 and connected to the clutch 14 in a manner not shown. The cable is passed through the seal 17 in the connected state.
  • the seal 17 is designed as a rubber grommet. When the cable is connected, the seal 17 is pushed apart by screwing the cap 16. The seal 17 thus comes on the one hand firmly on the cable and on the other hand firmly on the inner wall of the cap 16, the end face of the coupling housing 15, the inner wall of the coupling housing 15 and the end face of the clutch 14 to the plant. Thus, no liquid between the threads 18, 19 or pass through the opening 20 to the clutch 14. It is thus achieved a liquid-tight connection of the cable and the coupling part 3.
  • the plug housing 6 is provided at its end facing the plug 4 with an extending in the direction of the longitudinal axis 10 annular bushing 21, through which the plug 4 and the shield 5 are inserted therethrough. Approximately in the middle of this sleeve 21, the seal 7 is attached.
  • the coupling housing 15 is provided at its end remote from the coupling 14 with an annular bushing 22 extending in the direction of the longitudinal axis 10, through which the coupling 14 is inserted.
  • the inner diameter of the bushing 22 of the coupling housing 15 is slightly larger than the outer diameter of the bushing 21 of the plug housing 6.
  • the coupling housing 15 is plugged with its socket 22 on the socket 21 of the plug housing 6.
  • the two bushings 21, 22 form an overlapping region 23, in which they are arranged approximately parallel to one another and with a slight distance from each other.
  • the seal 7 is arranged between the bush 21 of the plug housing 6 and the bushing 22 of the coupling housing 15.
  • the seal 7 is designed as an O-ring made of rubber. If the socket 22 of the coupling housing 15 is attached to the socket 21 of the plug housing 6, then the seal 7 is firmly against both bushings 21, 22. It is thus achieved a liquid-tight connection between the connector housing 6 and the coupling housing 15. Thus, no liquid can pass between the two sockets 21, 22 and reach the plug 4 and the coupling 14.
  • the coupling part 3 is associated with a locking ring 24 which faces the coupling housing 15 in a plug housing 6 and the Overlap area 23 encompasses the overlapping area.
  • the locking ring 24 is designed substantially rotationally symmetrical to the longitudinal axis 10.
  • the clutch housing 15 is provided on the outside with a notch 25 into which engages a projecting at its one end inwardly projection 26 of the locking ring 24.
  • the locking ring 24 is thus rotatable on the coupling housing 15 about the longitudinal axis 10.
  • the locking ring 24 is provided with an internal thread 27.
  • This internal thread 27 is associated with an external thread 28 on the connector housing 6.
  • the seal 7 is arranged within the overlapping region 23 between the plug housing 6 and the coupling housing 15. Outside the two housings 6, 15, the locking ring 24 surrounds the overlapping area 23. No seals or the like are provided between the locking ring 24 and the two housings. Thus, liquid between the locking ring 24 and the two housings 6, 15 penetrate. By the seal 7, however, the liquid can not penetrate between the two sockets 21, 22 through to the plug 4 and the coupling 14.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Cable Accessories (AREA)

Claims (7)

  1. Connexion (1) étanche aux liquides, par exemple, pour deux câbles à relier, avec un connecteur mâle (4) et un connecteur femelle (14), auxquels les deux câbles peuvent être raccordés, avec un boîtier de connecteur mâle (6) et un boîtier de connecteur femelle (15), dans lesquels le connecteur mâle (4) et le connecteur femelle (14) sont logés, et avec une bague de verrouillage (24), au moyen de laquelle le boîtier de connecteur mâle (6) et le boîtier de connecteur femelle (15) peuvent être vissés ensembles, le boîtier de connecteur mâle (6) et le boîtier de connecteur femelle (15) à l'état vissé (figure 1) présentant une zone de recouvrement (23), le boîtier de connecteur femelle (15) étant disposé dans la zone de recouvrement (23) à l'extérieur sur le boîtier de connecteur mâle (6), et la bague de verrouillage (24) étant disposée dans la zone de recouvrement (23) à l'extérieur sur le boîtier de connecteur femelle (15), et avec un premier joint (7), qui est disposé dans la zone de recouvrement (23) entre les deux boîtiers (6, 15), et qui est disposé à l'extérieur sur le boîtier de connecteur mâle (6), caractérisée en ce que la bague de verrouillage (24) est reliée par une liaison tournante avec le boîtier de connecteur femelle (15).
  2. Connexion (1) d'après la revendication 1, caractérisée en ce qu'un joint torique en caoutchouc est prévu en tant que premier joint (7).
  3. Connexion (1) d'après l'une des revendications précédentes, caractérisée en ce que la bague de verrouillage (24) comporte un filetage intérieur (27), et que le boîtier de connecteur mâle (6) comporte un filetage extérieur (28) correspondant au filetage intérieur (27).
  4. Connexion (1) d'après l'une des revendications précédentes, caractérisée en ce que le boîtier de connecteur mâle (6) et le boîtier de connecteur femelle (15) comportent en leurs extrémités faisant face aux deux câbles, respectivement un deuxième joint (9, 17), qui sont disposés entre le câble respectif et le boîtier respectif (6, 15).
  5. Connexion (1) d'après la revendication 4, caractérisée en ce qu'un manchon en caoutchouc est prévu en tant que deuxième joint (9, 17).
  6. Connexion (1) d'après l'une des revendications 4 ou 5, caractérisée en ce que le boîtier de connecteur mâle (6) et le boîtier de connecteur femelle (15) présentent, en leurs extrémités faisant face aux deux câbles, respectivement un capuchon (8, 16), notamment vissable.
  7. Connexion (1) d'après l'une des revendications précédentes, caractérisée en ce que le boîtier de connecteur mâle (6), le boîtier de connecteur femelle (15) et la bague de verrouillage (24) sont en matière plastique.
EP98109140A 1997-06-05 1998-05-20 Connecteur étanche aux liquides Expired - Lifetime EP0883214B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19723684 1997-06-05
DE19723684A DE19723684A1 (de) 1997-06-05 1997-06-05 Flüssigkeitsdichte Steckverbindung

Publications (2)

Publication Number Publication Date
EP0883214A1 EP0883214A1 (fr) 1998-12-09
EP0883214B1 true EP0883214B1 (fr) 2007-06-27

Family

ID=7831540

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98109140A Expired - Lifetime EP0883214B1 (fr) 1997-06-05 1998-05-20 Connecteur étanche aux liquides

Country Status (4)

Country Link
US (1) US5971786A (fr)
EP (1) EP0883214B1 (fr)
AT (1) ATE365989T1 (fr)
DE (2) DE19723684A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19902707B4 (de) * 1999-01-25 2008-10-30 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Kupplung oder Stecker für eine flüssigkeitsdichte Steckverbindung
DE10008885A1 (de) 2000-02-25 2001-08-30 Conducta Endress & Hauser Kupplung oder Stecker für eine Steckverbindung zur Anwendung in der Messtechnik, insbesondere in der Umweltmesstechnik
DE10037084A1 (de) * 2000-07-27 2002-02-07 Conducta Endress & Hauser Kupplung oder Stecker für eine flüssigkeitsdichte Steckverbindung
US6514096B1 (en) * 2001-11-26 2003-02-04 Tzu-Chen Liu Waterproof structure of a rope light
DE10308088B4 (de) * 2003-02-24 2011-07-21 Endress + Hauser GmbH + Co. KG, 79689 Buchse für Anschlussstecker
DE202007016950U1 (de) * 2007-12-05 2008-02-21 Anton Hummel Verwaltungs-Gmbh Flüssigkeitsdichter Steckverbinder

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1944719A (en) * 1930-08-04 1934-01-23 Regenauer Electric socket connection
US3001804A (en) * 1957-03-18 1961-09-26 Rolls Royce Pipe end fittings
GB878602A (en) * 1959-05-20 1961-10-04 Bronzavia Sa Flexible connection for pipes
CH374254A (de) * 1959-12-17 1963-12-31 Hans Luedi & Co Schraubenverbindung mit Überwurfmutter zur Verbindung eines Metallrohres mit einem Glasrohr
FR1292738A (fr) * 1961-06-22 1962-05-04 Olin Mathieson Ltd Perfectionnements aux raccords de tubes
DE1515685A1 (de) * 1965-10-19 1970-07-02 Euchner & Co Steckverbindung
US3452321A (en) * 1967-04-13 1969-06-24 Hubbell Inc Harvey Electrical connector having a protective cover
US4500153A (en) * 1981-11-09 1985-02-19 Matrix Science Corporation Self-locking electrical connector
DE3218677C2 (de) * 1982-05-18 1985-12-12 Robert Bosch Gmbh, 7000 Stuttgart Elektrische Steckverbinderanordnung
US4808127A (en) * 1985-10-18 1989-02-28 Arbus, Inc. Connector assembly
DE8709988U1 (de) * 1987-07-21 1987-09-10 Escha Bauelemente GmbH, 5884 Halver Wasserdichter Kupplungsstecker
CA2140058C (fr) * 1994-01-21 2005-04-12 Cosmo Castaldo Manchon de protection pour raccords electriques et methode correspondante
JP2982100B2 (ja) * 1994-02-03 1999-11-22 矢崎総業株式会社 シールドコネクタ
US5567174A (en) * 1994-06-02 1996-10-22 The Ericson Manufacturing Co. Water tight grease filled connector with strain relief
US5478254A (en) * 1994-10-03 1995-12-26 Rolls-Royce, Plc Electrical connector

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE19723684A1 (de) 1998-12-10
ATE365989T1 (de) 2007-07-15
US5971786A (en) 1999-10-26
DE59814038D1 (de) 2007-08-09
EP0883214A1 (fr) 1998-12-09

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