Sanitary outlet fitting
A sanitary outlet fitting with a liquid guide which opens into an outlet fitting, in the region of which an insertable cartridge is provided. The liquid guide is matched in at least the mouth region of the outlet fitting to the insertable cartridge. The insertable cartridge is held in the outlet fitting by a sleeve-shaped intermediate holder, which is held in the outlet fitting in a radially sealed manner. A peripheral edge region on the admission side of the insertable cartridge is held in an axially sealed manner in the outlet fitting. The insertable cartridge is inserted with the aid of the intermediate holder supporting it into the outlet fitting to a depth such that the insertable cartridge is held securely. Accordingly, the insertable cartridge is scaled axially in its peripheral region on the admission side. The intermediate holder can also be held in a radially sealed manner in the outlet fitting to prevent undesired creepage.
1. A sanitary outlet fitting comprising:
a liquid guide that opens in a fitting outlet;
a sanitary functional unit that is an insertable cartridge arranged in the fitting outlet, wherein an open cross-section of an interior portion of the liquid guide has a shape substantially conforming, at least in a mouth area of the fitting outlet, to an exterior shape of the insertable cartridge;
a sleeve-shaped intermediate holder positioned in the fitting outlet, configured to releasably hold the insertable cartridge, and including a screw connection that engages with a corresponding connection on a radial interior of the fitting outlet; and
a cap shaped annular seal configured on the insertable cartridge so that the cap shaped annular seal axially seals a supply-side circumferential edge area of the insertable cartridge,
wherein the cap shaped annular seal holds the insertable cartridge on the intermediate holder in a pre-installed or uninstalled position,
wherein an inner circumferential edge area of the annular seal is embodied as an annular sealing area and an outer circumferential edge area of the annular seal projects over the annular sealing area in a tube-like manner and is releasably held on the intermediate holder, and
wherein the annular seal is arranged on an upper outer portion of the insertable cartridge that faces the radial interior of the fitting outlet and an upper outer portion of the intermediate holder that faces the radial interior of the fitting outlet, and the annular seal forms a radial seal at least in an area between the upper outer portion of the insertable cartridge and the upper outer portion of the intermediate holder.
2. The outlet fitting in accordance with claim 1 , wherein the liquid guide has an annular shoulder in the area of the fitting outlet, and the annular seal is clamped between the insertable cartridge and the annular shoulder in order to axially seal the insertable cartridge.
3. The outlet fitting in accordance with claim 2 , wherein the annular shoulder is formed by a change in the cross-section of the liquid guide or by an annular flange in the liquid guide.
4. The outlet fitting in accordance with claim 1 wherein the annular seal is held on the intermediate holder in a friction fit or positive fit.
5. The outlet fitting in accordance with claim 4 , wherein the insertable cartridge is insertable up to a stop in the intermediate holder.
6. The outlet fitting in accordance with claim 5 , wherein the stop is provided on the outer circumference of the insertable cartridge and acts on a supply-side face edge of the intermediate holder.
7. The outlet fitting in accordance with claim 5 , wherein the stop is an annular shoulder or annular flange.
8. The outlet fitting in accordance with claim 1 , wherein an outflow-side face edge area for the intermediate holder has a profile embodied as a tool gripping surface, the intermediate holder is a rotation tool, and the profile of the intermediate holder is releasably coupled to the profile of another, identically structured intermediate holder.
9. The outlet fitting in accordance with claim 8 wherein the insertable cartridge is a flow regulator or has a flow regulator.
10. The outlet fitting in accordance with claim 8 , further comprising:
a second annular seal configured to radially seal in an annular space between the intermediate holder and an inner circumference of the fitting.
11. The outlet fitting in accordance with claim 10 , wherein the second annular seal is an elastic sealing ring.
12. The outlet fitting in accordance with claim 10 , wherein the second annular seal is held on the intermediate holder in a groove on an outer circumference side.