Screw element, actuating tool, use and forming tool

Abstract

P45693AU00 / V / 34 Zusammenfassung Die vorliegende Erfindung betrifft ein Schraubelement (1) mit einem Kraftangriff (8) für ein Betätigungswerkzeug (9). Der Kraftangriff (8) weist eine Mehrzahl von auf einem Umfang um eine Mittelachse (M) verteilt angeordneten Vorsprüngen (10) und Rücksprüngen (11) auf, die abwechselnd ineinander übergehen. Die Vorsprünge (10) und die Rücksprünge (11) sind gewölbt ausgebildet und erstrecken sich in einem Einführabschnitt (12) jeweils parallel zur Mittelachse (M). Erfindungsgemäß ist in einem Endbereich (13) des Kraftangriffs (8) ein kegelförmiger Abschnitt (14) angeordnet und es erstreckt sich zwischen dem kegelförmigen Abschnitt (14) und dem Einführabschnitt (12) eine den kegelförmigen Abschnitt (14) umgebende Fase (15). Ferner betrifft die Erfindung ein Betätigungswerkzeug mit einem Betätigungsabschnitt, eine Verwendung und ein Formwerkzeug zur Herstellung eines Kraftangriffs oder eines Betätigungsabschnitts. Fig. 3 P45693AU00 / V / 20 25 26 75 22 17 N ov 2 02 5 P 4 5 6 9 3 A U 0 0 / V / 2 0 2 5 2 6 7 5 2 2 1 7 N o v 2 0 2 5 P45693 1 / 5 Fig. 2 8 Fig. 1 1 4 2 3 6 5 7 8 11 15 6 1,3 4 13, 14 12 2 M 14a 1 M M RA U R A 10 10a M 3 8 7 1 4 6 5 R R MU 10 8 M 2 11 12 15 14a 1 6 4 A R 20 25 26 75 22 17 N ov 2 02 5 P 4 5 6 9 3 1 / 5 M 1 7 N o v 2 0 2 5 3 8 7 4 2 0 2 5 2 6 7 5 2 2 5 M 1 0 8 M 2 1 1 1 2 1 5 1 0 a 1 4 a 6 4 A R

Claims

1. A screw element (1) with a force application point (8) for an actuating tool (9), wherein the force application point (8) has a plurality of projections (10) and recesses (11) arranged distributed on a circumference around a central axis (M), wherein the projections (10) and the recesses (11) merge into one another alternately, wherein the projections (10) and the recesses (11) are formed with a curved shape, and wherein the projections (10) and the recesses (11) each extend parallel to the central axis (M) in an insertion section (12), characterized in thata conical section (14) is formed in an end region (13) of the force application point (8), and that a chamfer (15) surrounding the conical section (14) extends between the conical section (14) and the insertion section (12).

2. The screw element (1) according to claim 1, characterized in thatthe chamfer (15) surrounding the conical section (14) intersects with the projections (10) and / or at least with the recesses (11), preferably that the chamfer (15) has a first, in particular truncated cone-shaped, section that is intersected by the projections (10) and recesses (11), and a second, in particular truncated cone-shaped, section that is not intersected by the projections (10) or recesses (11).

3. The screw element (1) according to claim 1 or 2, characterized in thatthe chamfer (15) surrounding the conical section (14) opens into the conical section (14).

4. The screw element (1) according to any one of claims 1 to 3, characterized in thata chamfer angle (a) that the chamfer (15), in particular an outer surface of the chamfer (15), encloses with the central axis (M) is smaller than a cone angle (3) that the conical section (14), in particular an outer surface of the conical section (14), encloses with the central axis (M) of the force application point (8).2025267522   18 Dec 20255. The screw element (1) according to any one of claims 1 to 3, characterized in thatthe chamfer (15) has at least a first chamfer section (15a) and at least a second chamfer section (15b), in particular that the first chamfer section (15a) encloses a first chamfer angle (a1) with the central axis (M), and that the second chamfer section (15b) encloses a second chamfer angle (a2) with the central axis (M), preferably that the chamfer (15) has at least a third chamfer section (15c) and at least a fourth chamfer section (15d), that the third chamfer section (15c) encloses a third chamfer angle (a3) with the central axis (M), and that the fourth section (15d) encloses a fourth chamfer angle (a4) with the central axis (M).

6. The screw element (1) according to any one of claims 1 to 3 or 5, characterized in thatthe chamfer (15) is at least partially formed concave or convex curved, in particular that the chamfer (15) is at least partially formed circular, arc-shaped or spline-shaped.

7. The screw element (1) according to any one of claims 1 to 6, characterized in thata maximum length of the chamfer (15) along the central axis (M) is greater than a maximum length of the conical section (14) along the central axis (M), in particular at least 1.2 times longer, preferably at least 1.5-times longer, more preferably at least twice as long.

8. The screw element (1) according to any one of claims 1 to 7, characterized in thata maximum length of at least one of, preferably all of, the recesses (11) along the central axis (M) is greater than a maximum length of the chamfer (15) along the central axis (M), in particular at least 1.5-times as long, preferably at least 1.6 times as long, more preferably at least twice as long.

9. The screw element (1) according to any one of claims 1 to 8, characterized in that2025267522   18 Dec 2025the chamfer (15) extends along the central axis (M) in extension of one of the projections (10), in particular of a vertex (10a) of one of the projections (10), preferably that a length of the chamfer (15) along the central axis (M) in extension of one of the projections (10), in particular of a vertex (10a) of one of the projections (10), is at most 20 %, preferably at most 15 %, more preferably at most 10 %, of a maximum length of the chamfer (15) along the central axis (M).

10. The screw element (1) according to any one of claims 1 to 9, characterized in thata diameter of the conical section (14) is smaller than the diameter of a vertex circle, and that the vertices (10a) of the projections (10) are arranged on the vertex circle, in particular that the diameter of the conical section (14) corresponds to about 70 % to 95 %, in particular 80 % or in particular 92%, of the diameter of a vertex circle.

11. The screw element (1) according to any one of claims 1 to 10, characterized in thateach of the projections (10) is formed identically and / or that each of the recesses (11) is formed identically, in particular that the force application point (8) is formed symmetrically to a symmetry axis (M).

12. An actuating tool (9) for a screw element (1) with a force application point (8), in particular according to any one of claims 1 to 11, having at least one actuating section (16), wherein the actuating section (16) has a plurality of projections (10') and recesses (11') arranged distributed on a circumference around a central axis (M'), wherein the projections (10') and the recesses (11') merge into one another alternately, wherein the projections (10') and the recesses (11') are formed with a curved shape, wherein the projections (10') and the recesses (11') each extend parallel to the central axis (M') in an insertion section (12'), characterized in thata conical section (14') is arranged in an end region (13') of the actuating section (16) and that a chamfer (15') surrounding the conical section (14') extends between the conical section (14') and the insertion section (12').2025267522   18 Dec 202513. The actuating tool (9) according to claim 12, characterized bythe feature content of the characterizing part of at least one claim or several claims of claims 2 to 11.

14. The actuating tool (9) according to claim 12 or 13, characterized in thata maximum length of one of, preferably all of, the projections (10') along the central axis (M') is greater than a maximum length of the chamfer (15') along the central axis (M'), in particular at least 1.5 times as long, preferably at least 1.6 times as long, more preferably at least twice as long, and / orthat the chamfer (15') extends along the central axis (M') in extension of one of the recesses (11'), in particular of a vertex (11a') of one of the recesses (11'), in particular that a length of the chamfer (15') along the central axis (M') in extension of one of the recesses (11'), in particular of a vertex (11a') of one of the recesses (11'), amounts to at most 25 %, in particular at most 20 %, preferably at most 15 %, more preferably at most 10 %, of a maximum length of the chamfer (15') along the central axis (M'), and / orthat a diameter of the conical section (14') is smaller than the diameter of a vertex circle, and that the vertices (11a') of the recesses (11') are arranged on the vertex circle, in particular that the diameter of the conical section (14') corresponds to about 70% to 95%, in particular 80% or in particular 92%, of the diameter of the vertex circle.

15. Use of a profile with a plurality of projections (10) and recesses (11) arranged distributed on a circumference around a central axis (M) as a force application point (8) for a screw element (1) or as an actuating section (16) of an actuating tool (9), wherein the projections (10) and recesses (11) merge into one another alternately, wherein the projections (10) and the recesses (11) are formed with a curved shape, wherein the projections (10) and the recesses (11) each extend parallel to the central axis (M) in an insertion section (12), wherein a conical section (14) is arranged in an end region (13) arranged opposite to the first section (12) and wherein a chamfer (15) surrounding the conical section (14) extends between the conical section (14) and the first section (12).2025267522   18 Dec 202516. A forming tool for manufacturing a force application point (8) of a screw element (1), in particular according to any one of claims 1 to 11, or an actuating section (16) of an actuating tool (9), in particular according to any one of claims 12 to 14, wherein the forming tool has a plurality of projections (10) and recesses (11) arranged distributed on a circumference around a central axis (M), wherein the projections (10) and recesses (11) merge into one another alternately; wherein the projections (10) and the recesses (11) are formed with a curved shape, wherein the projections (10) and the recesses (11) each extend parallel to the central axis (M) in an insertion section (12), characterized in thata conical section (14) is arranged in an end region (13) of the force application point (8) and that a chamfer (15) surrounding the conical section (14) extends between the conical section (14) and the insertion section (12).

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