WO2005019698A1 - 回転軸部材支持装置 - Google Patents
回転軸部材支持装置 Download PDFInfo
- Publication number
- WO2005019698A1 WO2005019698A1 PCT/JP2004/012756 JP2004012756W WO2005019698A1 WO 2005019698 A1 WO2005019698 A1 WO 2005019698A1 JP 2004012756 W JP2004012756 W JP 2004012756W WO 2005019698 A1 WO2005019698 A1 WO 2005019698A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shim
- bearing
- case member
- shaft member
- rotary shaft
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
Definitions
- the present invention relates to a rotary shaft member supporting device in which a first case member and a second case member are connected via a first bearing and a second bearing in a housing comprising the first case member and the second case member.
- the present invention relates to a rotary shaft member supporting device that rotatably supports a rotary shaft member.
- a housing configured by combining a first case member and a first case member so as to close each other with the openings facing each other, and the first case member and the first case in the housing And a rotary shaft member rotatably supported via the first bearing and the second bearing, and the 'second case' is concentric with the small diameter hole and the small diameter hole and is smaller than the small diameter hole
- a stepped hole comprising a large diameter hole having a large diameter is formed, the outer ring of the first bearing is fitted in the large diameter hole, and a shim is interposed between the large diameter hole and the small diameter hole.
- it is part of a vehicle's power transmission as described in document 1.
- Japanese Patent Laid-Open No. 9-2 2 6 3 9 2 When assembling the above-described rotary shaft member supporting device, one of the case members constituting the housing, for example, the first case member, has its opening up.
- the first case member side end 35 of the rotary shaft member is fitted into the fitting hole formed in the first case member via the first bearing, and the rotary shaft member is erected, and the next In the state where the second bearing is fitted to the second case member side end portion, that is, the upper end portion, of the rotary shaft member, the second case member whose opening is directed downward is lowered from the upper side, The second bearing is fitted into the large diameter hole provided in the second case member, and the opening of the second case member is combined with the opening of the first case member and fastened with a bolt or the like.
- the shim is an annular plate material selected from a plurality of kinds of thickness dimensions for filling a gap in a predetermined thrust direction in the first bearing and the second bearing which rotatably support the rotating shaft member, Since the second bearing has the same radial dimension as the outer ring so as not to interfere with the inner ring, the shim can not be centered only by being placed on the second bearing, At the time of assembly, it is stuck with grease etc. in a state of being fitted in advance in the large diameter hole provided in the second case member. For this reason, when the second case member is turned over so that the opening is directed downward during assembly, the shim may be displaced or dropped, which may cause assembly inoperability or breakage of parts. In addition, if it is fixed to the second case member in some way so as not to fall, there is a disadvantage that the shape becomes complicated.
- the present invention has been made against the background described above, and an object of the present invention is to provide a rotating shaft member supporting device which prevents the shims from shifting or falling when assembling the rotating shaft member. .
- DISCLOSURE OF THE INVENTION The gist of the present invention for achieving the above object is configured by combining the first case member and the second case member such that the openings are closed with each other facing each other.
- a housing and a rotary shaft member rotatably supported by the first case member and the second case member in the housing via the first bearing and the second bearing, and the second case member is provided in the housing.
- the second case member side end portion of the rotating shaft member is a rotating shaft member supporting device of a type which protrudes through the inner ring of the second bearing, being abutted to a stepped surface between the small diameter hole and the second bearing member.
- the shim is integrally provided on a pinched portion held between the outer ring of the second bearing and the stepped surface, and the pinched portion, and is mounted on the outer ring of the first bearing at the time of assembly. And a centering portion for centering the first case member side end portion of the rotary shaft member which penetrates the second bearing when it is placed.
- the shim includes the pinched portion pinched between the outer ring of the second bearing and the stepped surface, and is additionally provided integrally with the pinched portion.
- a centering portion for centering the second case member side end portion of the rotary shaft member penetrating through the first bearing when mounted on the outer ring of the second bearing at the time of assembly is provided.
- the shim is integrally provided on an annular outer peripheral portion as the held portion, and on an inner peripheral side of the outer peripheral portion, and the second case member side end portion of the rotating shaft member And an inner circumferential portion having a slightly larger diameter positioning hole.
- the inner circumferential portion is provided with a plurality of oil holes for facilitating penetration of lubricating oil.
- the second case member side end of the rotary shaft member penetrates the inner peripheral ring of the second bearing and is received in the small diameter hole, and the diameter of the positioning hole of the shim D 1, the outer diameter of the shim D 2, the thickness of the inner peripheral portion of the shim t, the diameter of the second case member end of the rotary shaft member d, the diameter of the small diameter hole D 3
- the surface of the inner peripheral portion of the shim facing the inner ring of the second bearing is closer to the second housing than the outer peripheral portion of the ridge in order to avoid interference with the inner ring. It has been transformed. In this way, interference between the shim and the inner ring of the second bearing is preferably prevented.
- FIG. 1 is a view showing an assembled state of a power transmission device for a hybrid vehicle to which a rotating shaft member supporting device of the present invention is applied.
- FIG. 2 is a cross-sectional view showing a configuration of a portion corresponding to a rotary shaft member supporting device, which is a main portion of the hybrid vehicle power transmission device of FIG. 1 and rotatably supports the first counter gear shaft.
- FIG. 3 is a front view illustrating the configuration of the shim used in FIG. 1 and FIG.
- FIG. 4 is a cross-sectional view for explaining the configuration of the shim used in FIGS. 1 and 2;
- FIG. 5 is a view for explaining the dimensions and shape of the shims of FIGS. 3 and 4;
- FIG. 6 is a cross-sectional view of an essential part for explaining a shim according to another embodiment of the present invention.
- FIG. 6 is a diagram corresponding to a part of 2
- FIG. 7 is a cross-sectional view of an essential part for explaining a shim according to another embodiment of the present invention.
- FIG. 6 is a diagram corresponding to a part of 2;
- FIG. 8 is a cross-sectional view of an essential part for explaining a shim according to another embodiment of the present invention, which corresponds to a part of FIG. BEST MODE FOR CARRYING OUT THE INVENTION Embodiment 1
- FIG. 1 and 2 show a power transmission apparatus for a vehicle to which the rotary shaft support apparatus of the present invention is applied.
- the vehicle power transmission device 10 is suitably used, for example, in a hybrid vehicle, and the first case member 12 and the second case member 14 are mutually opposed with their openings facing each other. It is provided with a housing 16 configured by combining to be closed.
- the housing 16 When the housing 16 is assembled, as shown in FIG. 1, the first case member 12 is placed on an assembly platform (not shown) with the opening facing upward, and is not shown with the opening facing downward. It is suspended by the suspending device so that the openings are opposite to each other. In this state, the second case member 14 is lowered to assemble the housing 16.
- the second counter gear shaft 2 8 that fits with the first counter gear shaft 2 6 and the differential gear device 30 that fits with the second counter gear shaft 2 8 are around the axes parallel to each other. Each is pre-assembled via a bearing so as to be rotatable.
- the first counter gear shaft 2 6, the second counter gear shaft 2 8, and the differential gear unit 30 are bearing-mounted or fitted at both ends in the axial direction, and the bearing on the first case member 12 side Are respectively erected in the first case member 12 by being fitted into the fitting holes provided in the first case member 12.
- 1st counter gear shaft 2 6 2nd counter gear shaft 2 8 differential gear When the second case member 14 is lowered, the bearing on the side of the second case member 14 at 30 is fitted into the fitting hole provided in the second case member 14. ing.
- the first force gear shaft I 6 is in mesh with the second sprocket 32 2 on which the transmission gear 24 is wound and the second counter gear shaft 2 8
- a first bearing 36 is fitted to the shaft end on the first case member 12 side, and a second bearing 3 is attached to the shaft end on the second case member 14 side. 8 is attached.
- the second case member 14 of the first counter gear shaft 26 has a side end projecting out through the inner ring 38 u of the second bearing 38 thereof.
- the first counter gear shaft 26 is in the form of a circular tube, and the projection 48 provided from the second case member 14 for guiding the flow of lubricating oil is the first of the first counter gear shaft 26. 2 Case member 14 Inserted into the center hole on the 4 side.
- the fitting hole 40 provided in the second case member 14 so that the second bearing 38 is fitted when the second case member 14 is lowered is a small diameter hole 42 and its hole 42 It is composed of a stepped hole consisting of a large diameter hole 44 concentric with the small diameter hole 42 and having a diameter larger than that of the small diameter hole 42.
- the outer ring 3 8 s of the second bearing 3 8 is its large diameter hole
- first case member 1.2 and the second case member 14 and the first bearing 36 and the second bearing 38 fitted to them are the first counter gear shaft It corresponds to a rotating shaft member supporting device for rotatably supporting the 26.
- the shim 50 has an annular plate shape, as shown in detail in FIGS. 3 and 4, and is held or clamped between the outer ring 38s of the second bearing 38 and the stepped surface 46.
- the outer circumference, ie, the pinched portion 52, and the inner circumferential side of the pinched portion 52 are integrally formed and mounted on the outer ring 3 8 s of the second bearing 38 at the time of assembly.
- the second force bearing gear shaft 26 is provided with a centering portion 54 which is an inner peripheral portion for centering with respect to an end portion on the side of the 4th shaft of the 1st force counter gear shaft 2 6 penetrating the second bearing 3 8 There is.
- the centering portion 54 is larger than the outer diameter of the first case gear shaft 26 so as to center the second case member 14.
- a positioning hole or central hole 5.6 having a diameter that does not interfere with the counter shaft 26 and the second bearing 38
- the thickness is smaller than that of the support portion 52 which is the outer peripheral portion of the shim 50, and a plurality of them (in the present embodiment, eight) for preventing movement of the lubricating oil. ) Through holes 5 and 8).
- the shim 50 has a cross-sectional shape that is a target with respect to the center line C in the thickness direction.
- the diameter of the central hole 56 functioning as a positioning hole of the shim 50 is D1
- the outer diameter of the shim 50 that is, the pinched portion 5 + 2.
- the outer diameter is D2
- the diameter of the second case member 14 side shaft end of the first counter gear shaft 26 is d
- the diameter d of the 4th shaft end and the inner diameter D 3 of the small diameter hole 4 2 are set and formed respectively.
- the clamping portion 5 2 is prepared in advance that includes a plurality of types of thickness, most suitable thickness is selected and used.
- a shim 50 having a thickness which is the same as or slightly smaller than the above-mentioned ⁇ ⁇ ⁇ is selected.
- the shim 50 includes a support portion 52 that is held between the outer ring 3 8 s of the second bearing 3 8 and the stepped surface 46. With In addition to that, it is integrally provided on the inner peripheral side of the clamped portion 52 and is mounted on the outer ring 3 8 s of the second bearing 3 8 at the time of assembly.
- the rotary shaft member supporting device When assembling the first case member 12, the second case member of the first counter gear shaft 26 erected on the first case member 12, the second bearing of the fourth bearing fitted to the end of the four-side shaft, and the outer ring 38s of 8s.
- the shim 50 When the shim 50 is placed, the shim 50 of the shim 50 is centered with respect to the first coin gear shaft 26 by the centering lever 54 of the shim 50, so the shim 50 may be displaced or dropped. There is no need to attach the shim 50 in advance, and it is not necessary to attach the shim 50 in advance to the large diameter hole 4 4 of the second case member 14 using grease etc. Re emesis for generating component breakage can be eliminated.
- the shim 50 is integrally provided on the inner peripheral side of the held portion 52 which is an annular outer peripheral portion and the held portion 52, and the first counter gear shaft 2 Since the second case member 6 of 6 has a center hole (positioning hole) 56 with a diameter D 1 slightly larger than the diameter d of the 4-side shaft end, the centering portion 54 has The structure of shim 50 becomes simple. Further, since the centering portion 54 is provided with a plurality of through holes (oil holes) 58 for allowing the lubricating oil to easily penetrate, circulation of the lubricating oil is secured.
- the second case member 14 side shaft end of the first counter gear shaft 26 penetrates the inner peripheral ring 38 u of the second bearing 38 and the small diameter hole 42.
- the inner diameter of the centering hole 56 for positioning the shim 50 is D1
- the outer diameter of the shim 50 is D2
- the thickness of the centering portion 54 which is the inner periphery of the shim 50 is t
- the diameter of the first case member side end of the rotary shaft member is d
- the diameter of the small diameter hole is D3
- the second case member of the first counter gear shaft 26 is fitted to the 14 side shaft end of the first counter gear shaft Since the above equations (1) and (2) are satisfied when the inclination angle of the shim 50 is set to 0, even if the fitting operation of the shim 50 varies, the state of slanting at the time of assembling becomes oblique. Even if it is, there is an advantage that the shim 50 can not be fitted into the small diameter hole 42.
- the surface of the inner periphery of the shim 50 facing the inner ring 3 8 u of the second bearing 3 8, that is, the second bearing 3 8 side surface of the centering portion 5 4 is the inner ring 3 8 interference with u turn
- the second case member 14 is deformed to the second case member 14 side more than the pinched portion (peripheral portion) 52 of the shim 50 in order to avoid the shim 50 and the inner ring 3 8 u of the second bearing 3 8 with the shim 50. Interference is preferably prevented.
- the centering portion 54 which is the inner peripheral portion of the shim 50, has a smaller thickness than the pinched portion 52, which is the outer peripheral portion of the shim 50.
- FIG. 6 shows a state in which the shim 60 according to another embodiment of the present invention is held between the outer ring 3 8 s of the second bearing 3 8 and the stepped surface 46.
- the shim 60 includes an annular grip portion 62 and a centering portion 64 integrally provided on the inner side thereof in a state of being shifted by a predetermined dimension toward the first case member 14 side. .
- the second case member 14 is deformed to the side of the held portion (outer peripheral portion) 62 of the shim 60, so that the same effect as the above-described embodiment can be obtained.
- the shim 60 can be easily manufactured, for example, by subjecting a single disc to plastic working (pressing), which is advantageous in that it is inexpensive.
- the shim 70 in FIG. 7 has a shape corresponding to the annular pinched portion 52 or 62 of the shim 50 or 60 described above, and the inner ring of the shim 70 and the second bearing 3 8 In order to prevent buffer between 3 8 u, the axial dimension of the outer ring 3 8 s of the second bearing 3 8 is formed larger than the inner ring 3 8 u.
- Example 4
- the shim 80 in FIG. 8 has a shape corresponding to the annular pinched portion 52 or 62 of the shim 50 or 60 described above, and has an axial center from the outer peripheral edge of the pinched portion 52 or 62
- An annular groove 84, which engages with the annular projection 82, is provided with an annular projection 82 bent at a right angle to the direction, and in the outer periphery of the outer ring 3 8 s of the second bearing 3 8 It is formed.
- centering is performed by the engagement of the annular projection 82 and the annular groove 84 formed in the outer ring 3 8 s of the second bearing 3 8.
- the annular projection 82 is bent at a right angle in the axial direction from the inner peripheral edge of the clamped portion 52 or 62, and the inner periphery of the outer ring 38s of the second bearing 38 is An annular groove 84 may be formed to engage the annular projection 82.
- the rotary shaft member supporting device applied to the vehicle power transmission device 10 used in the hybrid vehicle has been described.
- an automatic transmission, a continuously variable transmission, a transfer device, etc. It may apply to other devices.
- the first force gear shaft 26 is described as the rotating shaft member, but it may be a rotating shaft for achieving other purposes or functions.
- annular pinched portions 52, 62 and the centering portions 54, 64 are provided, they are not completely annular. It may be continuous or annular.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
- General Details Of Gearings (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003300412A JP2005069379A (ja) | 2003-08-25 | 2003-08-25 | 回転軸部材支持装置 |
JP2003-300412 | 2003-08-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005019698A1 true WO2005019698A1 (ja) | 2005-03-03 |
Family
ID=34213823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/012756 WO2005019698A1 (ja) | 2003-08-25 | 2004-08-25 | 回転軸部材支持装置 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP2005069379A (ja) |
CN (1) | CN100482979C (ja) |
WO (1) | WO2005019698A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3072748A1 (fr) * | 2017-10-24 | 2019-04-26 | Renault S.A.S | Empilage de ligne d'arbres de transmission avec rondelle de calage indexee, procede de montage et transmission |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007014707B4 (de) * | 2007-03-23 | 2009-12-17 | Sew-Eurodrive Gmbh & Co. Kg | Getriebe, Baukasten und Verfahren |
JP2012154370A (ja) * | 2011-01-24 | 2012-08-16 | Ricoh Co Ltd | 駆動力伝達機構およびそれを用いた画像形成装置 |
KR101989460B1 (ko) * | 2012-01-26 | 2019-09-30 | 보르그워너 인코퍼레이티드 | 배기가스 터보차저 |
JP6502170B2 (ja) * | 2015-05-14 | 2019-04-17 | 愛知機械工業株式会社 | 隙間調整部材および隙間調整部材の組付け方法並びに変速装置 |
JP6332261B2 (ja) * | 2015-12-25 | 2018-05-30 | トヨタ自動車株式会社 | 軸受支持装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54172432U (ja) * | 1978-05-25 | 1979-12-05 | ||
JPS5884260A (ja) * | 1981-09-11 | 1983-05-20 | Toyota Motor Corp | 自動車用自動変速機 |
JPS6320563U (ja) * | 1986-07-25 | 1988-02-10 | ||
JPS6487915A (en) * | 1987-09-29 | 1989-04-03 | Aisin Aw Co | Preload adjusting device |
JPH0413821U (ja) * | 1990-05-24 | 1992-02-04 | ||
JPH0512830U (ja) * | 1991-08-01 | 1993-02-19 | 栃木富士産業株式会社 | 動力伝達装置の潤滑構造 |
-
2003
- 2003-08-25 JP JP2003300412A patent/JP2005069379A/ja active Pending
-
2004
- 2004-08-25 WO PCT/JP2004/012756 patent/WO2005019698A1/ja active Application Filing
- 2004-08-25 CN CN 200480024589 patent/CN100482979C/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54172432U (ja) * | 1978-05-25 | 1979-12-05 | ||
JPS5884260A (ja) * | 1981-09-11 | 1983-05-20 | Toyota Motor Corp | 自動車用自動変速機 |
JPS6320563U (ja) * | 1986-07-25 | 1988-02-10 | ||
JPS6487915A (en) * | 1987-09-29 | 1989-04-03 | Aisin Aw Co | Preload adjusting device |
JPH0413821U (ja) * | 1990-05-24 | 1992-02-04 | ||
JPH0512830U (ja) * | 1991-08-01 | 1993-02-19 | 栃木富士産業株式会社 | 動力伝達装置の潤滑構造 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3072748A1 (fr) * | 2017-10-24 | 2019-04-26 | Renault S.A.S | Empilage de ligne d'arbres de transmission avec rondelle de calage indexee, procede de montage et transmission |
Also Published As
Publication number | Publication date |
---|---|
CN100482979C (zh) | 2009-04-29 |
CN1842666A (zh) | 2006-10-04 |
JP2005069379A (ja) | 2005-03-17 |
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