R. Stahl Schaltgerate Gmbh

Odu Gmbh & Co Kg

Holger Semrau

Elena Kondrus

Bernd Limbacher

Maxim Kutsch

Jürgen Schmitt

Albrecht Hopf

A connector device including: a plug which has a plug housing and at least one electrical plug contact that is held so as to be insulated in the plug housing; and a socket which has a socket housing and a socket contact. The socket housing has an electrically insulating plug channel for receiving the plug contact, in which plug channel the socket contact is located. A sleeve is rotatably arranged on the plug housing or the socket housing. A slotted guide arrangement is operatively disposed between the sleeve, the plug housing and the socket housing. A slotted guide of the slotted guide arrangement has a separating portion having a slope relative to a circumferential direction. After the separating portion in an opening direction, a delay portion is located, which has a smaller slope than the separating portion.

Plug connection device

An explosion-proof housing including: a housing body which delimits an interior and comprises a housing opening that offers access to the interior; at least one central strut which extends between portions of the housing body and subdivides the housing opening into at least two opening portions, and at least two separate covers which are designed and arranged, in the closed state, to each be secured to the housing body and to the central strut in such a way that, between the covers and the housing body as well as between the covers and the central strut invariably flameproof joints are formed. The central strut is detachably mounted to the housing body and, in the mounted state, is loosely mounted on the housing body and movably supported such that the central strut is fixed directly to the housing body without the use of fixing means. The central strut can, as such, be removed individually from the housing body relatively easily and quickly in order to create a barrier-free housing opening of maximum size.

Explosion-proof housing comprising removable central strut

An explosion-proof housing, which forms an interior for accommodating components that can form ignition sources. The housing has a first housing part with a first section which has a first face, and a second housing part with a second section which has a second face, the first section and/or the second section being a section of a wall, the first face and the second face delimiting an intermediate region. The first section and the second section are pressed against each other with elastic deformation of the wall section so that the intermediate region is geometrically closed in a flameproof manner by the elastic deformation of the wall section. The invention also relates to a method for producing an explosion-proof connection between a first section of a first housing part with a first face and a second section of a second housing part with a second face of a housing, at least one of the sections being a section of a wall. The invention also relates to a further method for producing an explosion-proof connection between a first section of a first housing part with a first face and a second section of a second housing part with a second face of a housing, at least one of the sections being a section of a wall.

Explosion-proof housing

The invention relates to an explosion-proof arrangement () with an explosion-proof housing () which has a wall opening () in a housing wall (). The wall thickness (d) of the housing wall () is so small that it is not possible to form a thread there in order to screw in a connecting body () for a line to pass through or for receiving an assembly so as to ensure protection against flame transmission. According to the invention, a connecting body (), which has a flange () with a flange face (), is inserted into the wall opening (). The flange face () delimits a flameproof gap () by way of the housing wall (). The dimensions of a gap or intermediate space between the connecting body () and a boundary face () of the housing wall (), which boundary face delimits the wall opening (), are not important. The protection against flame transmission can be provided solely by the flameproof gap () between the flange face () and the housing wall ().

Explosion-proof arrangement

An explosion-proof line bushing and method for producing the line bushing. A prespecified amount of elastomeric material is applied to a line and completely surrounds the line in a flat section in the circumferential direction. The line is inserted into a passage opening of a bushing body. The bushing body is preferably plastically deformed. After the plastic deformation, the elastomeric material substantially fills the volume remaining between the formed bushing body and line. The elastomeric material is elastically deformed and presses both against the line and the formed bushing body so that flame-proof gaps are formed between the bushing body and the line. The applied mass of the elastomeric material is determined depending on the inner volume between the formed bushing body and the line remaining.

Method for producing an explosion-proof line bushing, and explosion-proof line bushing

An explosion-proof arrangement () having a bushing part () with a bushing opening () that defines a bushing surface () and a structural unit () arranged in the bushing opening (). The structural unit () includes a deformable inner body () with at least one conductor channel () extending through in a longitudinal direction (L), and a plastically deformable connecting sleeve () surrounding the inner body (). At least one conductor () is guided through its own associated conductor channel () in the inner body (). A connecting portion () of the connecting sleeve () is plastically deformed so that it presses radially inwardly on the inner body () and deforms it in a radial direction (R). A first delimiting surface () is formed on an outer circumference of the plastically deformed connecting portion (). The bushing surface () forms a second delimiting surface (). By arranging the structural unit () with the first delimiting surface () in the bushing opening (), a flameproof Ex gap () is produced between the two delimiting surfaces ().

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Satteldorf, Germany

Holger Semrau