CN103343777A - Automotive transmission and ball bearing for automotive transmission - Google Patents
Automotive transmission and ball bearing for automotive transmission Download PDFInfo
- Publication number
- CN103343777A CN103343777A CN2013103217881A CN201310321788A CN103343777A CN 103343777 A CN103343777 A CN 103343777A CN 2013103217881 A CN2013103217881 A CN 2013103217881A CN 201310321788 A CN201310321788 A CN 201310321788A CN 103343777 A CN103343777 A CN 103343777A
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- input shaft
- shaft
- automotive transmission
- ball bearing
- bearing
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Abstract
The invention discloses a ball bearing for an automotive transmission. The ball bearing comprises an outer ring (12), an inner ring (13), a rolling body (14) and a holder (15), wherein the outer ring (12) is sleeved on the inner ring (13); the rolling body (14) and the holder (15) are arranged in the corresponding gap arranged between a shaft hole of the outer ring (12) and the excircle of the inner ring (13), and the inner ring (13) is provided with a shaft hole (13-1) to be connected with an input shaft and/or a middle shaft of the transmission; the ball bearing is characterized in that the excircle of one end of the outer ring (12) is provided with a pressing plate (11) which can rotate relative to the outer ring, and the pressing plate is provided with an installation (11-1) connected with the transmission. The invention also discloses the automotive transmission. The automotive transmission is characterized in that a rear bearing of the input shaft of the automotive transmission and/or a rear bearing of the middle shaft is the ball bearing for the automotive transmission. The ball bearing for the automotive transmission and the automotive transmission have the low shake and noise effect.
Description
Technical field
The present invention relates to the automotive transmission field, specifically, relate to ball bearing and automotive transmission for a kind of automotive transmission.
Background technique
The current common ball bearing that input shaft, the jack shaft of automotive transmission are supported, be comprised of outer ring 12, inner ring 13, rolling element 14 and retainer 15.The ball bearing of this structure together with the bearing of other structure to the input shaft of automotive transmission, jack shaft supports and the mode of axial limiting mainly contains two kinds: the first, input shaft is used two upper common ball bearings, jack shaft is used two cone bearings to be supported, and the end face of the forward rear two tanks of axial limiting of input shaft is spacing, the play of input shaft is owing to being subject to front casing, rear box, input shaft, front bearing, input shaft, the impact of the precision of rear bearing, input shaft, very wayward, easily cause the vibrations and the noise problem that cause because of axial float, and the jack shaft front and back bearings is because being that cone bearing need be used and adjusts pad and carry out pretension, therefore can reduce the power transmission efficiency of speed changer, the second, input shaft is used two common ball bearings to be supported, the jack shaft rear bearing uses common ball bearing, the jack shaft fore bearing is used roller bearing to be supported, the axial limiting of input shaft or the end face of forward rear two tanks is spacing or add a collar on the outer ring of rear bearing carries out spacing, the axial limiting of jack shaft is undertaken spacing by increasing by a collar on the outer ring of rear bearing, therefore the axial float of input shaft and jack shaft is owing to being subject to front casing, rear box, axle (input shaft and jack shaft), fore bearing (input shaft and jack shaft fore bearing), the impact of the precision of rear bearing (input shaft and jack shaft rear bearing) and collar, very wayward, also easily cause the vibrations and the noise problem that cause because of axial float.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of vibrations automotive transmission ball bearing lower with noise.
For solving the problems of the technologies described above, a kind of automotive transmission ball bearing of the present invention, comprise outer ring, inner ring, rolling element and retainer, described outer ring sleeve is loaded on inner ring, described rolling element and retainer are installed in the respective clearance between the cylindrical of the axis hole of outer ring and inner ring, described inner ring is provided with the axis hole that connects transmission input shaft and/or jack shaft, it is characterized in that; One end cylindrical of described outer ring is provided with the pressing plate of outer ring rotating relatively, and described pressing plate is provided with the mounting hole that connects speed changer;
Preferably, described outer ring one end is provided with pressing plate heavy stand is installed, and this installation heavy stand outer end is provided with the washer of radius vector to extension, and described pressing plate is provided with endoporus, and this diameter of bore is a bit larger tham the heavy stand outside diameter, and the inner hole sleeve of described pressing plate is contained in described heavy stand;
Preferably, described pressing plate integral body is triangular in shape, and described mounting hole is tapped hole, and it is distributed on the outer at three angles of pressing plate
;
Preferably, described pressing plate integral body is spindle, and described mounting hole is tapped hole, and it is distributed on the outer at two angles of pressing plate
;
Preferably, the axis hole of described inner ring is being provided with installation with described outer ring
heavy standthe end that one end is contrary is provided with the heavy stand hole;
Preferably, described inner ring is fixed on input shaft and/or jack shaft by shaft block ring;
Preferably, described inner ring is fixed in input shaft and/or jack shaft by swivel nut.
Another problem that the present invention will solve is to provide a kind of vibrations automotive transmission lower with noise.
For solving the problems of the technologies described above, a kind of automotive transmission of the present invention, comprise input shaft, be installed on front bearing, input shaft on input shaft, first group of helical gear or spur gear and rear bearing, input shaft successively;
Jack shaft, be installed on jack shaft fore bearing on jack shaft, second group of helical gear or spur gear and jack shaft rear bearing successively;
And first swivel nut, the second swivel nut, rear box, bolt and front casing;
Described first group of helical gear or spur gear and second group of helical gear or spur gear are intermeshing;
Described rear bearing, input shaft and jack shaft rear bearing are fixedly installed in respectively an end of input shaft and jack shaft with the first swivel nut and the second swivel nut, and are fixed on rear box with bolt;
The end that described input shaft is installed front bearing, input shaft and jack shaft installation jack shaft fore bearing is positioned at front casing;
It is characterized in that: described rear bearing, input shaft and/or jack shaft rear bearing are the described automotive transmission ball bearing of claim.
Compared with prior art, a kind of automotive transmission of the present invention has following beneficial effect with ball bearing and a kind of automotive transmission:
1, the outer ring of ball bearing of the present invention is fixed by bolts on gear box of automobile by pressing plate, inner ring is fixed on axle by swivel nut or shaft block ring, therefore the play of axle only comes from the play of this bearing, as long as control the precision of bearing well, with regard to the shifting amount of controllable shaft, be conducive to improve the speed changer NVH performance caused because of axial float;
2, the pressing plate of ball bearing of the present invention is embedded on outer ring, can shorten the length of installation shaft, and under the prerequisite allowed in intensity, inner ring design heavy stand hole can further reduce the length of installation shaft, thereby shortens the overall length of speed changer;
3, ball bearing of the present invention and the combination of common ball bearing are supported the efficiency that can improve speed changer to input shaft and the jack shaft of speed changer, the input shaft and the jack shaft that adopt ball bearing of the present invention and roller bearing to combine speed changer are supported, can improve the bearing capacity of speed changer, make the speed changer structure compactness, weight lowers.
The accompanying drawing explanation
The present invention has 9 accompanying drawings:
Fig. 1 a is the structural representation of automotive transmission of the present invention with ball bearing;
Fig. 1 b is that the A-A of Fig. 1 a is to the sectional view structural representation;
Fig. 1 c is trigonometric form pressure plate structure schematic diagram;
Fig. 1 d is spindle-type pressing plate schematic diagram;
Fig. 2 a is that shaft block ring is fixed on the structural representation on axle by automotive transmission of the present invention with ball bearing;
Fig. 2 b is that shaft block ring is fixed on the structural representation on axle by automotive transmission of the present invention with the ball bearing bearing;
Fig. 3 a structural representation that to be automotive transmission of the present invention carry out the axle support with ball bearing and common ball bearing combination;
Fig. 3 b is the structural representation that automotive transmission of the present invention carries out the axle support with ball bearing and roller bearing combination;
Fig. 4 is automotive transmission structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present invention is described in further detail;
Shown in Fig. 1 a and Fig. 1 b, a kind of automotive transmission ball bearing of the present invention, comprise outer ring 12, inner ring 13, rolling element 14 and retainer 15, described outer ring 12 is set on inner ring 13, described rolling element 14 and retainer 15 are installed in the respective clearance between the cylindrical of the axis hole of outer ring 12 and inner ring 13, described inner ring 13 is provided with the axis hole 13-1 that connects transmission input shaft and/or jack shaft, it is characterized in that; One end cylindrical of described outer ring 12 be provided with can be relative to outer ring 12 pressing plates that rotate 11, described pressing plate 11 is provided with the installation tapped hole 11-1 that connects speed changer.The ball bearing of this structure, during due to use, the outer ring of this ball bearing is fixed by bolts on gear box of automobile by pressing plate, inner ring is fixed on input shaft and/or jack shaft by swivel nut or shaft block ring, thereby the play of input shaft and/or jack shaft only comes from the play of this bearing, as long as control the precision of this bearing well, with regard to the shifting amount of controllable shaft, be conducive to improve the speed changer NVH performance caused because of axial float.
Described outer ring 12 1 ends are provided with pressing plate heavy stand 12-1 are installed, this installation heavy stand 12-1 outer end is provided with the washer 12-12 of radius vector to extension, described pressing plate 11 is provided with endoporus 11-2, this endoporus 11-2 diameter is a bit larger tham heavy stand 12-1 outside diameter, and the endoporus 11-2 of described pressing plate 11 is sleeved on described heavy stand 12-1; Described washer 12-12 can be that uniform three places of installing on heavy stand 12-1 outer end press a little, can be also can be triangle, rectangle, semicircle, trapezoidal, polygonal with the protruding lamellar body of the installation integrated radius vector of heavy stand 12-1, this lamellar body; This washer 12-12 is set and neither can hinders pressing plate 11 and rotate on outer ring 12, can stop again pressing plate 11 12 to come off from outer ring.
Referring to Fig. 1 c and Fig. 1 d, described pressing plate 11 is whole triangular in shape, and described mounting hole 11-1 is tapped hole, and it is distributed on the outer at three angles of pressing plate 11
;described pressing plate 11 also can integral body be spindle, and described mounting hole 11-1 is tapped hole, and it is distributed on the outer at two angles of pressing plate 11
;pressing plate 11 is whole triangular in shape or be spindle, make pressing plate 11 simple in structure, be easy to manufacture, and make its with the installation of transformer also than being easier to.
Shown in Fig. 1 b, the axis hole 13-1 of described inner ring 13 is being provided with and the end that heavy stand 12-1 mono-end is contrary is installed is being provided with heavy stand hole 13-2 with described outer ring 12.In the situation that inner ring 13 allows in bearing intensity, inner ring design and installation heavy stand hole 13-2, can shorten input shaft that place is installed or and the length of jack shaft;
Shown in Fig. 2 a and Fig. 2 b, described inner ring (13) is fixed on input shaft and/or jack shaft by shaft block ring; Described inner ring 13 also can be fixed on input shaft and/or jack shaft by swivel nut 3.Such structure, can stop inner ring 13 to produce and relatively move with input shaft and/or jack shaft, thus the position of control inputs axle and/or jack shaft well.
Shown in Figure 4, a kind of automotive transmission of the present invention, comprise input shaft 2, be installed on front bearing, input shaft on input shaft 29, first group of helical gear or spur gear 21,22,23,24,25,26 and rear bearing, input shaft 1 successively;
And first swivel nut 3, the second swivel nut 6, rear box 7, bolt 8 and front casing 11;
21,22,23,24,25,26 and second groups of helical gears of described first group of helical gear or spur gear or spur gear 51,52,53,54,55,56 are intermeshing;
Described rear bearing, input shaft 1 and jack shaft rear bearing 4 are fixedly installed in respectively an end of input shaft 2 and jack shaft 5 with the first swivel nut 3 and the second swivel nut 6, and are fixed on rear box 7 with bolt 8;
The end that described input shaft 2 is installed front bearing, input shaft 9 and jack shaft 5 installation jack shaft fore bearings 10 is positioned at front casing 11;
It is characterized in that; Described rear bearing, input shaft 1 and/or jack shaft rear bearing 4 are automotive transmission ball bearing claimed in claim 1.
Working principle of the present invention is as follows:
Shown in Fig. 3 a, on speed changer, use ball bearing of the present invention (rear bearing, input shaft 1, jack shaft rear bearing 4) and common ball bearing or roller bearing (front bearing, input shaft 9, jack shaft fore bearing 10) to be supported input shaft 2 and jack shaft 5, swivel nut 3,6 is separately fixed at this patent bearing on input shaft 2 and jack shaft 5, bolt 8 screws through the through hole on casing and the tapped hole on pressing plate, ball bearing of the present invention is fixed on rear box 7, input shaft, jack shaft is not only played to the radial support effect and play the axial limiting effect simultaneously.
Shown in Fig. 3 b, ball bearing of the present invention and common ball bearing or roller bearing pairing are used input shaft 2 and jack shaft 5 are supported, and this just no longer needs, with the adjustment pad, bearing is carried out to pretension, and frictional force during bearing operation can reduce greatly
,the transmission efficiency of the speed changer that therefore its power transmission efficiency relative usage cone bearing is supported wants high.
Shown in Figure 4, due to the first group of gear 21,21,22,23,24,25,26 around input shaft 2 rotations ... for helical gear or spur gear, second group of gear 51,52,53,54,55,56 around jack shaft 5 rotations ... rotation direction contrary with the coupling gear rotation direction of rotating around input shaft, therefore in the process of speed changer acceleration and deceleration, can make input shaft 2, jack shaft 5 be subject to axial force forward or backward, the axial float that causes input shaft 2, jack shaft 5 to produce forward or backward.Use ball bearing of the present invention and common ball bearing or roller bearing to be supported input shaft 2, jack shaft 5, input shaft 2, jack shaft 5 are because being subject to the axial limiting effect of ball bearing of the present invention, its axial float is only the inside play of ball bearing of the present invention, as long as the play of controlling bearing is the axial float value of control inputs axle 2 and jack shaft 5 well just, so the NVH problem that ball bearing of the present invention causes because of axial float for solution has good effect.
Shown in Figure 1, pressing plate 11 is embedded on outer ring 12, can shorten the axial dimension of installation shaft, under the prerequisite allowed in intensity, inner ring 13 is designed for the axial dimension that the heavy stand hole 13-2 that fastenings is installed can further reduce installation shaft, therefore under the same bearer ability, can shorten the length of speed changer, lower the weight of speed changer.
Claims (8)
1. an automotive transmission ball bearing, comprise outer ring (12), inner ring (13), rolling element (14) and retainer (15), described outer ring (1) is set on inner ring (13), described rolling element (14) and retainer (15) are installed in the respective clearance between the cylindrical of the axis hole of outer ring (12) and inner ring (13), described inner ring (13) is provided with the axis hole (13-1) that connects transmission input shaft and/or jack shaft, it is characterized in that; One end cylindrical of described outer ring (12) is provided with pressing plate (11) that can rotate (12) relative to outer ring, and described pressing plate (11) is provided with the mounting hole (11-1) that connects speed changer.
2. automotive transmission ball bearing according to claim 1, is characterized in that; Described outer ring (12) one ends are provided with pressing plate heavy stand (12-1) are installed, this installation heavy stand (12-1) outer end is provided with the washer (12-12) of radius vector to extension, described pressing plate (11) is provided with endoporus (11-2), this endoporus (11-2) diameter is a bit larger tham heavy stand (12-1) outside diameter, and the endoporus (11-2) of described pressing plate (11) is sleeved on described heavy stand (12-1).
3. automotive transmission ball bearing according to claim 1, is characterized in that; Described pressing plate (11) is whole triangular in shape, and described mounting hole (11-1) is tapped hole, and it is distributed on the outer at three angles of pressing plate (11)
.
4. automotive transmission ball bearing according to claim 1, is characterized in that; Described pressing plate (11) integral body is spindle, and described mounting hole (11-1) is tapped hole, and it is distributed on the outer at two angles of pressing plate (11)
.
5. automotive transmission ball bearing according to claim 1, is characterized in that; The axis hole (13-1) of described inner ring (13) is being provided with and the end that heavy stand (12-1) end is contrary is installed is being provided with heavy stand hole (13-2) with described outer ring (12).
6. automotive transmission ball bearing according to claim 5, is characterized in that; Described inner ring (13) is fixed on input shaft and/or jack shaft by shaft block ring.
7. according to the described automotive transmission ball bearing of any one in claim 1 to 4, it is characterized in that; Described inner ring (13) also can be fixed on input shaft and/or jack shaft by swivel nut (3).
8. an automotive transmission, comprise input shaft 2, be installed on front bearing, input shaft on input shaft 29, first group of helical gear or spur gear 21,22,23,24,25,26 and rear bearing, input shaft 1 successively;
Jack shaft 5, be installed on jack shaft fore bearing on jack shaft 5 10, second group of helical gear or spur gear 51,52,53,54,55,56 and jack shaft rear bearing 4 successively;
And first swivel nut 3, the second swivel nut 6, rear box 7, bolt 8 and front casing 11;
21,22,23,24,25,26 and second groups of helical gears of described first group of helical gear or spur gear or spur gear 51,52,53,54,55,56 are intermeshing;
Described rear bearing, input shaft 1 and jack shaft rear bearing 4 are fixedly installed in respectively an end of input shaft 2 and jack shaft 5 with the first swivel nut 3 and the second swivel nut 6, and are fixed on rear box 7 with bolt 8;
The end that described input shaft 2 is installed front bearing, input shaft 9 and jack shaft 5 installation jack shaft fore bearings 10 is positioned at front casing 11;
It is characterized in that: described rear bearing, input shaft 1 and/or jack shaft rear bearing 4 are automotive transmission ball bearing claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103217881A CN103343777A (en) | 2013-07-29 | 2013-07-29 | Automotive transmission and ball bearing for automotive transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103217881A CN103343777A (en) | 2013-07-29 | 2013-07-29 | Automotive transmission and ball bearing for automotive transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103343777A true CN103343777A (en) | 2013-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103217881A Pending CN103343777A (en) | 2013-07-29 | 2013-07-29 | Automotive transmission and ball bearing for automotive transmission |
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| Country | Link |
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| CN (1) | CN103343777A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202158A (en) * | 2014-06-23 | 2015-12-30 | 广州汽车集团股份有限公司 | Input shaft locating structure and manual transmission |
| CN105840789A (en) * | 2016-06-17 | 2016-08-10 | 重庆青山工业有限责任公司 | Pressure plate bearing positioning structure for automobile transmission |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1468541A (en) * | 1973-07-03 | 1977-03-30 | Danfoss As | Shaft bearing assembly |
| JP2006226328A (en) * | 2005-02-15 | 2006-08-31 | Jtekt Corp | Variable diameter pulley and continuously variable transmission using the same |
| CN101949431A (en) * | 2010-10-09 | 2011-01-19 | 重庆青山工业有限责任公司 | Rear drive gearbox of micro automobile |
| CN202360543U (en) * | 2011-12-09 | 2012-08-01 | 重庆长江轴承股份有限公司 | Bearing locking structure |
| CN203051700U (en) * | 2012-11-23 | 2013-07-10 | 重庆青山工业有限责任公司 | Rear drive transmission of minicar |
-
2013
- 2013-07-29 CN CN2013103217881A patent/CN103343777A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1468541A (en) * | 1973-07-03 | 1977-03-30 | Danfoss As | Shaft bearing assembly |
| JP2006226328A (en) * | 2005-02-15 | 2006-08-31 | Jtekt Corp | Variable diameter pulley and continuously variable transmission using the same |
| CN101949431A (en) * | 2010-10-09 | 2011-01-19 | 重庆青山工业有限责任公司 | Rear drive gearbox of micro automobile |
| CN202360543U (en) * | 2011-12-09 | 2012-08-01 | 重庆长江轴承股份有限公司 | Bearing locking structure |
| CN203051700U (en) * | 2012-11-23 | 2013-07-10 | 重庆青山工业有限责任公司 | Rear drive transmission of minicar |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202158A (en) * | 2014-06-23 | 2015-12-30 | 广州汽车集团股份有限公司 | Input shaft locating structure and manual transmission |
| CN105840789A (en) * | 2016-06-17 | 2016-08-10 | 重庆青山工业有限责任公司 | Pressure plate bearing positioning structure for automobile transmission |
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Application publication date: 20131009 |