Couplable hearing apparatus for a hearing device, coupling element and hearing device

1. A hearing apparatus for a hearing device unit, the hearing apparatus comprising:

a sound tube with a tube-side coupling element;

an earpiece with an earpiece-side coupling element;

said tube-side coupling element and said earpiece-side coupling element configured to be reversibly coupled together;

said tube-side coupling element having a tube-side pressure canal and said earpiece-side coupling element having an earpiece-side pressure canal, together forming a coupled pressure canal in a coupled state of said coupling elements;

said earpiece-side pressure canal being at least partly configured as a circumferential groove;

a variable-volume element disposed at said earpiece and having an interior;

said earpiece-side coupling element being rotatable about a rotation axis and having an opening formed therein at an angle relative to said rotation axis, said opening connecting said circumferential groove to said interior of said variable-volume element; and

said tube-side coupling element or said earpiece-side coupling element having at least one pressure element promoting air-tightness of said coupled pressure canal.

2. The hearing apparatus according to claim 1 , wherein said pressure element has an annular configuration.

3. The hearing apparatus according to claim 1 , wherein said pressure element is a clamping element or an expansion element.

4. The hearing apparatus according to claim 1 , wherein said pressure element is integrated into said tube-side coupling element or into said earpiece-side coupling element.

5. The hearing apparatus according to claim 1 , wherein said tube-side pressure canal includes at least two merging drill-holes.

6. The hearing apparatus according to claim 1 , wherein said sound tube and said earpiece each have a respective sound canal acoustically separated from said pressure canals.

7. The hearing apparatus according to claim 1 , wherein said variable-volume element has a volume configured to be changed by supplying or removing a medium through said coupled pressure canal.

8. The hearing apparatus according to claim 1 , which further comprises an overhang formed on said earpiece-side coupling element and at least partially projecting over an opening of said earpiece-side pressure canal.

9. The hearing apparatus according to claim 1 , wherein said tube-side coupling element has at least two assembled components.

10. The hearing apparatus according to claim 9 , wherein said at least two assembled components include a first component and a second component manufactured from different materials.

11. The hearing apparatus according to claim 10 , wherein said tube-side coupling element and said earpiece-side coupling element are configured and assembled to form a section of said tube-side pressure canal.

12. The hearing apparatus according to claim 1 , wherein said tube-side coupling element is manufactured from a metal, at least in vicinity of said coupled pressure canal.

13. The hearing apparatus according to claim 12 , wherein said earpiece-side coupling element is manufactured from a rubber or plastic material, at least in vicinity of said coupled pressure canal.

14. A hearing device, comprising a hearing apparatus according to claim 1 .

15. The hearing apparatus according to claim 1 , wherein said tube-side coupling element and said earpiece-side coupling element are configured to be coupled by a form-locking clip connection.

16. A hearing apparatus for a hearing device unit, the hearing apparatus comprising:

a sound tube with a tube-side coupling element;

an earpiece with an earpiece-side coupling element;

said tube-side coupling element and said earpiece-side coupling element configured to be reversibly coupled together;

said tube-side coupling element having a tube-side pressure canal and said earpiece-side coupling element having an earpiece-side pressure canal, together forming a coupled pressure canal in a coupled state of said coupling elements;

said earpiece-side pressure canal being at least partly configured as a circumferential groove;

a variable-volume element disposed at said earpiece and having an interior;

said earpiece-side coupling element being rotatable about a rotation axis and having an opening formed therein at an angle relative to said rotation axis, said opening connecting said circumferential groove to said interior of said variable-volume element; and

said tube-side coupling element or said earpiece-side coupling element themselves configured to perform an additional function as a pressure element promoting air-tightness of said coupled pressure canal.

17. The hearing apparatus according to claim 16 , wherein said tube-side coupling element and said earpiece-side coupling element are configured to be coupled by a form-locking clip connection.

18. A hearing apparatus for a hearing device unit, the hearing apparatus comprising:

a sound tube with a tube-side coupling element;

an earpiece with an earpiece-side coupling element;

said tube-side coupling element and said earpiece-side coupling element configured to be reversibly coupled together;

said tube-side coupling element having a tube-side pressure canal and said earpiece-side coupling element having an earpiece-side pressure canal, together forming a coupled pressure canal in a coupled state of said coupling elements;

said earpiece-side pressure canal being at least partly configured as a circumferential groove;

a variable-volume element disposed at said earpiece and having an interior;

said earpiece-side coupling element being rotatable about a rotation axis and having an opening formed therein at an angle relative to said rotation axis, said opening connecting said circumferential groove to said interior of said variable-volume element; and

said tube-side coupling element and said earpiece-side coupling element being configured to be coupled by a force-locking connection.