H - Electricity – 02 – G
Patent
H - Electricity
02
G
H02G 3/06 (2006.01)
Patent
CA 2603134
The invention relates to a cable bushing device which is used to guide electric cables through, in particular, two adjacent housing which are explosion and/or flame proof. Said cable bushing device comprises a sleeve- like external body which can be inserted by the opposite first and second end sections into corresponding housing bores. The invention also relates to a device which comprises an insert which is inserted into an axial opening of the external body in order to maintain the electric cables which are guided through the device and a fixing device which is used to fix the device to at least one housing. As a result, mounting is simplified and also higher tolerances in the production of the housing bore are possible whilst retaining all positive properties in relation to the explosion and flame proof properties, in order to improve said type of cable bushing device. Said securing device comprises an external thread which is embodied on the first end section and which is adapted to an internal thread of the corresponding housing, a securing groove which can be screwed to the first end section and a stop element which is associated with the second end section, and which protrudes, essentially, in a radially external manner.
L'invention concerne un dispositif de traversée de câble permettant de faire passer un câble électrique notamment dans deux boîtiers adjacents anti-explosions et/ou antidéflagrants. Ce dispositif de traversée de câble présente un corps externe en forme de douille qui peut être inséré par ses première et deuxième extrémités terminales opposées dans des trous correspondants des boîtiers. Ce dispositif présente également un insert inséré dans un trou axial du corps externe et permettant de maintenir les câbles électriques traversant le dispositif, et un dispositif de fixation permettant de fixer le dispositif à au moins un boîtier. L'invention vise à améliorer ce dispositif de traversée de câble afin de faciliter son montage tout en conservant toutes les caractéristiques positives anti-explosion et/ou antidéflagrant et simultanément de grandes tolérances lors de la réalisation de l'orifice des boîtiers. L'invention est caractérisée en ce que le dispositif de fixation présente, sur la première section terminale, un filetage externe adapté à un filetage interne du boîtier correspondant et un écrou de fixation se vissant sur la première section terminale et une butée associée à la deuxième section terminale et saillante sensiblement radialement vers l'extérieur.
Hofmann Gerd
Naumann Reiner
Cooper Crouse-Hinds Gmbh
Smart & Biggar
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