IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0475444
(2002-04-19)
|
등록번호 |
US-7318696
(2008-01-15)
|
우선권정보 |
DE-101 19 505(2001-04-20) |
국제출원번호 |
PCT/EP02/004365
(2002-04-19)
|
§371/§102 date |
20040323
(20040323)
|
국제공개번호 |
WO02/086337
(2002-10-31)
|
발명자
/ 주소 |
- Babej,Jiri
- Hoessrich,Wolfgang
|
출원인 / 주소 |
- Profil Verbindungstechnik GmbH & Co. KG
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
8 인용 특허 :
14 |
초록
▼
A functional element (10), for fixing to a piece of sheet metal (40), such as for example, a nut element or a bolt element with a body section or head section, comprising an annular flange (14) which transforms into a cylindrical rivet section, is characterised in that the transformation from annula
A functional element (10), for fixing to a piece of sheet metal (40), such as for example, a nut element or a bolt element with a body section or head section, comprising an annular flange (14) which transforms into a cylindrical rivet section, is characterised in that the transformation from annular flange into the rivet section is formed by an at least essentially conical surface, forming a contact surface for a corresponding conical region of a piece of sheet metal, which, on fixing the functional element to a piece of sheet metal, is clamped between the side of the annular flange facing the rivet section and an annular bead (50) formed from the rivet section. An assembled component and a method for the fixing of a functional element are also disclosed.
대표청구항
▼
The invention claimed is: 1. Functional element (10; 110) for attachment to a sheet metal part and having a body portion (12; 112) defining a ring flange (14; 114) and a cylindrical rivet section (20; 120), said ring flange having an annular support surface (34; 134) facing said rivet section, said
The invention claimed is: 1. Functional element (10; 110) for attachment to a sheet metal part and having a body portion (12; 112) defining a ring flange (14; 114) and a cylindrical rivet section (20; 120), said ring flange having an annular support surface (34; 134) facing said rivet section, said annular support surface having an outer diameter and an inner diameter, there being a transition from said ring flange (14; 114) into said rivet section (20; 120), said transition starting from said inner diameter of said annular support surface and being formed by an at least substantially conical surface (16; 116), which forms a contact surface for a corresponding conical region (42; 142) of a sheet metal part (40, 140) which, on attachment of the functional element (10; 110) to a sheet metal part, is trapped between said annular support surface (34; 134) facing said rivet section (20; 120) and a ring bead (50; 150) formed from the rivet section; and said conical surface (16; 116) extending directly from said annular support surface (34; 134) of said ring flange (14; 114) facing said rivet section up to one of said rivet section (20; 120) and a boundary (36) of a throat part (18) provided between said conical surface (16; 116) and said rivet section. 2. Functional element in accordance with claim 1, wherein features (38; 138) providing security against rotation are provided in the region of a conical surface (16; 116). 3. Functional element in accordance with claim 2, wherein said features (38; 138) providing security against rotation are noses which are provided at the conical surface (16; 116). 4. Functional element in accordance with claim 3, wherein said noses (38; 138) providing security against rotation extend in axial planes. 5. Functional element in accordance with claim 3, wherein said noses (38; 138) providing security against rotation extend from the ring flange (14; 114) up to the rivet section (20; 120) or up to the throat portion (18; 118). 6. Functional element in accordance with claim 3, wherein said functional element has a central longitudinal axis and said noses providing security against rotation extend over the full length of the conical surface and are uniformly distributed around said central longitudinal axis. 7. Functional element in accordance with claim 2, wherein said features providing security against rotation are recesses provided in the conical surface. 8. Functional element in accordance with claim 7, wherein said recesses are arranged in axial planes of the functional element. 9. Functional element in accordance with claim 1, wherein said conical surface has an included cone angle (α) lying in the range between 80�� and 120��. 10. Functional element in accordance with claim 1, wherein said included cone angle (α) is approximately 90��. 11. Functional element in accordance with claim 1, wherein said conical surface (16; 116) merges via a cylindrical throat part (18; 118) into the rivet section (20; 120). 12. Functional element in accordance with claim 1, wherein said ring flange (14; 114) has a component side (39; 139) remote from said conical surface, said component side forming a support surface for a component which is to be secured by means of the functional element (10; 110) to said sheet metal component (40; 140). 13. Functional element in accordance with claim 12, wherein said ring flange (14) has an axial thickness selected to act as a spacer element. 14. Functional element in accordance with claim 1 being a nut element (10) in which said body portion (12) is provided with a central bore (26). 15. Functional element in accordance with claim 1, wherein said ring flange (114) has a component side, said functional element being a bolt element (110) having a shaft part (113) which is arranged at said component side (134) of the ring flange (114) remote from said rivet section (120). 16. Functional element in accordance with claim 1, wherein said conical surface (16, 116) of said body portion (12; 112) has an axial length which corresponds to at least substantially twice a thickness of said sheet metal part. 17. Functional element (10; 110) for attachment to a sheet metal part and having a body portion (12; 112) defining a ring flange (14; 114) and a cylindrical piercing section (20; 120) having an axial length, said ring flange having an annular support surface (34; 134) facing said piercing section, said annular support surface having an outer diameter and an inner diameter, there being a transition from said ring flange (14; 114) into said piercing section (20; 120), said transition starting from said inner diameter of said annular support surface and being formed by an at least substantially conical surface (16; 116), which forms a contact surface for a corresponding conical region (42; 142) of a sheet metal part (40, 140), said conical surface (16; 116) extending directly from said annular support surface (34; 134) of said ring flange (14; 114) facing said cylindrical piercing section up to said cylindrical piercing section (20; 120), wherein noses providing security against rotation extend in axial planes along said conical surface and over at least a part of said axial length of said cylindrical piercing section. 18. Functional element in accordance with claim 17, wherein said conical surface (16, 116) of said body portion (12; 112) has an axial length which corresponds to at least substantially twice a thickness of said sheet metal part. 19. Component assembly comprising a functional element (10; 110) which is secured to a sheet metal part (40; 140), the functional element having a body portion (12) defining a ring flange (14; 114) and a cylindrical rivet section (20; 120), said ring flange having an annular support surface (34; 134) facing said rivet section, said annular support surface having an outer diameter and an inner diameter, there being a transition from said ring flange (14; 114) into said rivet section (20; 120), said transition starting from said inner diameter of said annular support surface and being formed by an at least substantially conical surface (16; 116) which forms a contact surface for said sheet metal part (40; 140), said conical surface (16; 116) extending directly from said annular support surface (34; 134) of the ring flange (14; 114) facing said rivet section in the direction of the rivet section up to the rivet section (20; 120) or up to the boundary (36) of a throat part (18) provided between said conical surface (16; 116) and the rivet section; wherein said sheet metal part has a conical region (42; 142) which contacts said conical contact surface of said functional element, with said conical region of the sheet metal part being clamped between said annular support surface (34; 134) of the ring flange (14; 114) facing the rivet section and a ring bead (50; 150) formed from said rivet section. 20. Component assembly in accordance with claim 19, wherein features (38; 138) providing security against rotation are provided in the region of the conical surface of said functional element and said sheet metal part (40; 140) is in engagement with the features providing security against rotation in the conical region (42; 142). 21. Component assembly in accordance with claims 20, wherein said features (38; 138) providing security against rotation are noses which are provided at said conical surface (16; 116). 22. Component assembly in accordance with claim 21, wherein said noses (38; 138) providing security against rotation extend in axial planes. 23. Component assembly in accordance with claim 21, wherein said noses (38; 138) providing security against rotation extend from said ring flange (14; 114) up to said rivet section (20; 120) or up to said throat part (18; 118). 24. Component assembly in accordance with claim 20, wherein said features providing security against rotation are recesses provided in said conical surface. 25. Component assembly in accordance with claim 24, wherein said recesses are arranged in axial planes of the functional element. 26. Component assembly in accordance with claim 19, wherein said sheet metal part has a thickness and wherein said axial length of the conical surface (16; 116) corresponds to at least substantially twice said sheet metal thickness. 27. Component assembly in accordance with claim 19, wherein said conical surface (16; 116) has an included cone angle (α) lying in the range between 80�� and 120��. 28. Component assembly in accordance with claim 27, wherein said included cone angle (α) is approximately 90��. 29. Component assembly in accordance with claim 19, wherein said conical surface (16; 116) merges via a substantially cylindrical throat part (18; 118) into said rivet section (20; 120). 30. Component assembly in accordance with claim 29, wherein said sheet metal part has a thickness and wherein said throat part (18; 118) has an axial length which corresponds at least approximately to the sheet metal thickness. 31. Component assembly in accordance with claim 19, wherein said sheet metal part has a thickness and wherein said ring flange has an axial thickness and said axial thickness of the ring flange (114) is smaller than said thickness of said sheet metal part (140). 32. Component assembly in accordance with claim 19, wherein said sheet metal part has a thickness and said ring flange (14) has an axial thickness significantly larger than said thickness of said sheet metal part (40). 33. Component assembly in accordance with claim 19, wherein said ring flange has a component side remote from the conical surface (16; 116) and forming a support surface for a component which is to be secured by means of the functional element (10; 110) to said sheet metal part (40; 140). 34. Component assembly in accordance with claim 33, wherein said ring flange (14) has an axial thickness selected to act as a spacer element between said sheet metal part (40) and said component attached to the sheet metal part by means of the functional element (10). 35. Component assembly in accordance with claim 19, said functional element being a nut element in which the body portion (12) is provided with a central bore (26). 36. Component assembly in accordance with claim 19, wherein said the ring bead (50) is formed by a displacement of material of the rivet section (20). 37. Component assembly in accordance with claim 36, wherein said conical region of said sheet metal part has an opening with a rim remote from said ring flange and wherein said ring bead (50) together with said throat part (18) of said functional element (10) forms a clamping recess for said rim (48) of the opening (44) of the conical region (42) of the sheet metal part (40), said ring bead (50) being located on the side of the conical region (42) of the sheet metal part remote from said ring flange (14). 38. Component assembly in accordance with claim 36, wherein said rivet section (20) has a cylindrical region 30 extending in an axial direction of the functional element (10) away from said ring bead (50) at a side remote from the ring flange.
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