Hose connection piece, a hose coupling and a hose fitting having a hose connection piece

Abstract

The invention relates to a hose connection piece having a region for the reception of a hose end, wherein a peripheral sealing groove is provided on the outer side of the hose connection piece for the sealing of the hose connection. The invention furthermore relates to a hose coupling having a hose connection piece, having a press-fit holder and having an insert, wherein the insert rests in the press-fit holder, wherein—in the assembly case—the insert and the press-fit holder enclose the hose connection piece with the hose end pushed thereon, wherein—in the securing case—the insert holds the hose, wherein the hose connection piece can be moved from the assembly case into the securing case by application of external, radial pressure and wherein the length change of the insert on the transition from the assembly case into the securing case is lower than that of the holder. The invention furthermore relates to a hose fitting having a hose connection piece in accordance with the invention and/or having a hose coupling in accordance with the invention.

Dependencies are inferred from the claim text.