Device for the rotationally fixed connection of a pin of a gearbox to an articulated body of a drive coupling of a drive shaft
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B25G-003/28
F16D-001/108
F16D-001/10
출원번호
US-0451912
(2008-06-01)
등록번호
US-8870489
(2014-10-28)
우선권정보
DE-10 2007 026 040 (2007-06-04)
국제출원번호
PCT/DE2008/000902
(2008-06-01)
§371/§102 date
20100104
(20100104)
국제공개번호
WO2008/148373
(2008-12-11)
발명자
/ 주소
Langer, Gerald
Sherlock, John
출원인 / 주소
IFA-Technologies GmbH
대리인 / 주소
Kasper, Horst M.
인용정보
피인용 횟수 :
1인용 특허 :
19
초록▼
The invention relates to a device (1, 1′) for the rotationally fixed connection of a drive-effective pin (3) of a gearbox to an articulated body (2) of a drive coupling of a drive shaft. In order to allow cost-effective and compact production and in order to simplify assembly and disassembly, the in
The invention relates to a device (1, 1′) for the rotationally fixed connection of a drive-effective pin (3) of a gearbox to an articulated body (2) of a drive coupling of a drive shaft. In order to allow cost-effective and compact production and in order to simplify assembly and disassembly, the invention provides for the pin (3) and the articulated body (2) of the drive coupling to have respective mutually corresponding external axial toothings (11) and internal axial toothings (8) which are able to mesh with one another, and for an axial securing of the articulated body (2) and the pin (3) to be made possible by an axially displaceable bushing (12) arranged on the pin (3), which bushing (12) can be attached to a connecting portion (4) of the articulated body (2).
대표청구항▼
1. A device (1, 1′) for a rotationally fixed connection of a drive-effective pin (3) of a gearbox to an articulated body (2) of a drive coupling of a drive shaft comprising: a pin (3) exhibiting an outer external toothing (11);an articulated body (2) exhibiting an internal axial toothing (8) in a ho
1. A device (1, 1′) for a rotationally fixed connection of a drive-effective pin (3) of a gearbox to an articulated body (2) of a drive coupling of a drive shaft comprising: a pin (3) exhibiting an outer external toothing (11);an articulated body (2) exhibiting an internal axial toothing (8) in a hollow cylindrical opening (9), wherein the outer external toothing (11) and the internal axial toothing (8) correspond to each other and are able to mesh with one another, an axially displaceable bushing (12) arranged on the pin (3), wherein the axially displaceable bushing (12) makes possible an axial securing of the articulated body (2) and the pin (3), which bushing (12) can be positioned or fastened to a remote track connecting portion (4) of the articulated body (2), wherein a radially inner cylindrical surface (19) of the bushing (12) and a radially outer cylindrical surface (20) of the articulated body (2) are connected force matchingly or shape matchingly,wherein the pin (3) has a displacement portion (10) and an end portion with the external axial toothing (11),a circumferential groove (6, 14) formed between the displacement portion (10) and the external axial toothing (11),wherein a radial inner side of a circlip (13, 24) is arranged in the circumferential groove (6, 14);wherein a radial depth of the circumferential groove (6, 14) in the pin (3) is smaller than half a radial extension of a material of the circlip (13, 24),wherein a radial outer side of the circlip is directly abutted on a first axial side directed away from the connecting portion of the articulated body by an end face of the bushing directed towards the connecting portion of the articulated body and on an oppositely disposed second axial side directed towards the connecting portion by an end face of the articulated body. 2. The device as claimed in claim 1, wherein the radially inner cylindrical surface (19) of the bushing (12) and the radially outer cylindrical surface (20) of the articulated body (2) are each provided with a mutually corresponding thread (26). 3. The device as claimed in claim 1, wherein the radially inner cylindrical surface (19) of the bushing (12) and the radially outer cylindrical surface (20) of the articulated body (2) are each provided with a mutually corresponding bayonet connection. 4. The device as claimed in claim 1, wherein the radially inner cylindrical surface (19) of the bushing (12) and the radially outer cylindrical surface (20) of the articulated body (2) are connected to one another by a press-fit connection which can be released non-destructively by an application of a large force. 5. The device as claimed in claim 1, wherein the circlip (13, 24) is in the form of a spring ring, a Seeger ring or an O-ring. 6. The device as claimed in claim 5, wherein the circlip (13, 24) has an angular or round cross section. 7. The device as claimed in claim 1, wherein the articulated body (2) is formed as an articulated outer part of the drive coupling. 8. A device (1, 1′) for a rotationally fixed connection of a drive-effective pin (3) of a gearbox to an articulated body (2) of a drive coupling of a drive shaft comprising: a pin (3) exhibiting an outer external toothing (11);an articulated body (2) exhibiting an internal axial toothing (8) in a hollow cylindrical opening (9), wherein the outer external toothing (11) and the internal axial toothing (8) correspond to each other and are able to mesh with one another,an axially displaceable bushing (12) arranged on the pin (3), wherein the axially displaceable bushing (12) makes possible an axial securing of the articulated body (2) and the pin (3), which bushing (12) can be positioned or fastened to a remote track connecting portion (4) of the articulated body (2),wherein a radially inner cylindrical surface (19) of the bushing (12) and a radially outer cylindrical surface (20)of the articulated body (2) are connected force matchingly or shape matchingly,wherein the pin (3) has a displacement portion (10) and an end portion with the external axial toothing (11),a circumferential groove (6, 14) formed between the displacement portion (10) and the external axial toothing (11),a radial inner side of a circlip (13, 24) arranged in the circumferential groove (6, 14); wherein a radial depth of the circumferential groove (6, 14) in the pin (3) is smaller than half a radial extension of a material of the circlip (13, 24),wherein a radial outer side of the circlip is directly abutted on a first axial side directed away from the connecting portion of the articulated body by an end face of the bushing directed towards the connecting portion of the articulated body and on an oppositely disposed second axial side directed towards the connecting portion by an end face of the articulated body. 9. The device (1, 1′) according to claim 8, further comprising a geometrically adapted circular recess opening (25) disposed in and open on one axial side of the bushing (12) for seating the circlip (13, 24) and wherein the geometrically adapted circular recess opening (25) corresponds to the outer shape of the circlip (13, 24) and is formed in the bushing (12) such that, when the bushing (12) and the connecting portion (4) are in axial abutment with the circlip (13, 24), a correct axial spacing of the bushing (12) with respect to the connecting portion (4) is established. 10. The device (1, 1′) according to claim 8, wherein the circlip (13, 24) is received and embedded completely on its radially outer side, and at least partially in the axial direction, in a geometrically adapted circular recess opening (25) disposed in and open on one axial side of the bushing (12), wherein the geometrically adapted circular recess opening (25) is an annular recess in the bushing (12) surrounding the groove (6, 14). 11. A device (1, 1′) comprising: a central hollow-cylindrical opening (9);an internal axial toothing (8) disposed in the hollow-cylindrical opening (9);a connecting portion (4);an outer cylindrical surface (20) disposed on the connecting portion (4) and having an external thread;an end face (18) of the connecting portion (4), wherein the hollow cylindrical opening (9), the internal axial toothing (8), the connecting portion (4), and the end face (18) of the connecting portion (4) form a coupling inner part (2) of a drive shaft;a drive-effective cylindrical pin (3) of a gearbox having a first end portion and a displacement portion (10);an external axial toothing (11) furnished on the second end portion of the cylindrical pin (3), wherein the second end portion of the cylindrical pin (3) is inserted into the central hollow cylindrical opening (9) of the coupling inner part (2);wherein the external axial toothing (11) and the internal axial toothing (8) are mutually corresponding;wherein the external axial toothing (11) and the internal axial toothing (8) are form matching and are able to mesh with one another;a circumferential groove (6, 14) disposed on the cylindrical pin (3) between the displacement portion (10) and the external axial toothing (11);a radial inner side of a circlip (13, 24) disposed in the circumferential groove (6, 14);an axially displaceable bushing (12) freely movable on the displacement portion (10), wherein a smallest bore diameter of the bushing (12) corresponds to a constant diameter of the cylindrical pin (3), wherein the bushing (12) has the form of a screw socket screwed onto the connecting portion (4);wherein an axial securing of the coupling inner part (2) and the cylindrical pin (3) is performed by having the axially displaceable bushing (12) arranged on the displacement portion (10), wherein the bushing (12) is fastened to the connecting portion (4) of the coupling inner part (2);a radially inner cylindrical surface (19) of the bushing (12) with an inner thread and the radially outer cylindrical surface (20) of the connecting portion (4) with an outer thread are provided with a fastening by engaging threads (26);a first axial side of the circlip directed away from the internal axial toothing (8);a second axial side (16) of the circlip (13, 24) which is directed toward the internal axial toothing (8);wherein the end face (18) of the connecting portion (4) is directly axially abutting with the second axial side (16) of a radial outer side of the circlip (13, 24) directed toward the internal axial toothing (8), wherein the radial depth of the circumferential groove (6, 14) in the cylindrical pin (3) is less than half the radial extension of the material of the circlip (13, 24),a geometrically adapted circular recess opening (25) disposed in and open on one axial side of the bushing (12) for seating the circlip (13, 24) and wherein the geometrically adapted circular recess opening (25) corresponds to the outer shape of the circlip (13, 24) and is formed in the bushing (12) such that, when the bushing (12) and the connecting portion (4) are in axial abutment with the circlip (13, 24), then a correct axial spacing of the bushing (12) with respect to the connecting portion (4) is established, wherein the circlip (13, 24) is received and embedded completely on its radially outer side, and at least partially in the axial direction, in the geometrically adapted circular recess opening (25) of the bushing (12), wherein the circular recess opening (25) is an annular recess in the bushing (12) surrounding the groove (6, 14),an end face (17) of the geometrically adapted circular recess opening (25) of the bushing (12), and wherein the first axial side (15) of the radial outer side of the circlip (13, 24) directly abuts the end face (17) disposed in the geometrically adapted circular recess opening (25) of the bushing (12). 12. A device (1, 1′) comprising: a cylindrical pin (3) disposed on an axis;a bushing (12) disposed on the axis;a circlip (13, 24) disposed on the axis;a coupling inner part (2) disposed on the axis;wherein the cylindrical pin (3), the bushing (12), the circlip (13, 24), and the coupling inner part (2) are disposed in sequence;wherein the cylindrical pin (3) is a drive-effective cylindrical pin (3) of a gearbox having a displacement portion forming a first end portion and having a second end portion directed toward the coupling inner part (2);wherein an inner circumferential groove (6, 14) is disposed on an outside of the cylindrical pin (3) between the displacement portion (10) and the second end portion of the cylindrical pin (3);wherein an external axial toothing (11) is furnished on the second end portion of the cylindrical pin (3);wherein the bushing (12) is axially displaceable and freely movable on the displacement portion (10), wherein a smallest bore diameter of the bushing (12) corresponds to or is slightly greater than a diameter of the cylindrical pin (3), wherein the bushing (12) has the form of a screw socket screwed onto a connecting portion (4) of the coupling inner part (2), wherein the bushing (12) has an inner cylindrical thread (19);wherein the circlip (13,24) has an outer diameter larger than the diameter of the cylindrical pin (3) and has an inner diameter smaller than the diameter of the cylindrical pin (3);wherein an end ring face (17) of the bushing (12) directed towards the coupling inner part (2) is disposed perpendicular to the axis and has an inner diameter slightly larger than the diameter of the cylindrical pin (3) and has an outer diameter larger than the outer diameter of the circlip (13, 24) or of the circular recess (25) of the bushing (12) corresponding to the outer diameter of the circlip (13,24);wherein an inner rim of the circlip (13, 24) is disposed in the circumferential inner groove (6, 14);wherein a first axial side (15) at a radial outer side of the circlip (13, 24) is directed away from the coupling inner part (2) and abuts the end ring face (17);wherein the first axial side (15) of the circlip (13, 24) is directed toward the first end portion of the pin (3);wherein a second axial side (16) at the radial outer side of the circlip (13, 24) is directed toward the second end portion of the cylindrical pin (3) and abuts an axial end face (18) of the connecting portion (4) and wherein the second axial side (16) of the circlip (13, 24) is directed toward the coupling inner part (2);wherein the radial depth of the inner circumferential groove (6, 14) in the cylindrical pin (3) is less than half the radial extension of the material of the circlip (13, 24);wherein an outer cylindrical surface (20) is disposed on the connecting portion (4) and has an external thread;wherein a radially inner cylindrical surface (19) of the bushing (12) has an inner thread and the radially outer cylindrical surface (20) of the connecting portion (4) with an outer thread are fastened to each other by engaging threads (26);wherein the coupling inner part (2) has a central hollow-cylindrical opening (9);wherein an internal axial toothing (8) is disposed in the hollow-cylindrical opening (9);wherein the hollow cylindrical opening (9), the internal axial toothing (8), the connecting portion (4), and the end face (18) of the connecting portion (4) form a coupling inner part (2);wherein the second end portion of the cylindrical pin (3) is inserted into the central hollow cylindrical opening (9) of the coupling inner part (2);wherein the external axial toothing (11) and the internal axial toothing (8) are mutually corresponding;wherein the external axial toothing (11) and the internal axial toothing (8) are form matching and are able to mesh with one another;wherein an axial securing of the coupling inner part (2) and of the cylindrical pin (3) is performed by having the axially displaceable bushing (12) arranged on the displacement portion (10), wherein the bushing (12) is fastened to the connecting portion (4) of the coupling inner part (2).
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이 특허에 인용된 특허 (19)
Fechter Mark A. (West Bend WI), Automatic uncocking shaft sensing coupler.
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