Coupling arrangement for a domestic appliance, a device for a domestic appliance, and a domestic appliance
OwnerRoland Meissnerinventor
Life of this patent
Estimating the term…
Abstract
Examples are disclosed that relate to a coupling arrangement (36) for a domestic appliance (2), comprising: a connection piece (16) that has a channel (5) for transporting a fluid on its inner side, and a shoulder (18) on its outer side; an elastic bushing (19) that is pushed onto the connection piece (16) in an assembly direction (M), the bushing (19) having, on its inner side, a first shoulder (21) which engages behind the shoulder (18) of the connection piece (16), and a second shoulder (22) on its outer side; and a corrugated hose (26) that comprises, on an end section (28) thereof and on its inner side, a shoulder (35) which engages behind the second shoulder (22) of the bushing (19).
Claims14
A coupling arrangement for a domestic appliance, having:
- a connecting piece comprising an interior duct for transporting a fluid and an exterior shoulder,
- an elastic sleeve which in a fitting direction is push-fitted onto the connecting piece, wherein the sleeve has an interior first shoulder which engages behind the shoulder of the connecting piece, and has, downstream of the interior first shoulder in the fitting direction, an exterior second shoulder, and
- a corrugated hose which on an end portion thereof has an interior shoulder elastically engaging behind the second shoulder of the sleeve such that, with the end portion push-fitted over the sleeve, the interior shoulder of the corrugated hose is elastically snap-fitted behind the second shoulder of the sleeve such that the interior shoulder of the corrugated hose form-fits with the second shoulder of the sleeve, thereby resisting release of the end portion from the connecting piece counter to the fitting direction, wherein
- a diameter of the end portion of the corrugated hose widens in the fitting direction;
- the end portion of the corrugated hose has a tulip shape that widens from a diameter d1 of a corrugated portion of the corrugated hose toward a diameter d2 that encompasses an external side of the sleeve;
- and
- an inwardly directed radial strip of the end portion adjoins the tulip shape, and wherein an axial strip of the end portion adjoins the radial strip in the fitting direction.
Dependencies are inferred from the claim text.