CN205383172U - Gearbox intermediate shaft - Google Patents
Gearbox intermediate shaft Download PDFInfo
- Publication number
- CN205383172U CN205383172U CN201520959931.4U CN201520959931U CN205383172U CN 205383172 U CN205383172 U CN 205383172U CN 201520959931 U CN201520959931 U CN 201520959931U CN 205383172 U CN205383172 U CN 205383172U
- Authority
- CN
- China
- Prior art keywords
- external splines
- jackshaft
- plane
- splines
- meshing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a gearbox intermediate shaft, including the jackshaft body, the one end of jackshaft body is equipped with the meshing external splines, and the other end is equipped with the slip external splines, and this internal central through hole that is equipped with of jackshaft, be equipped with the radial oilhole that leads to the slip external splines in the central through hole, and the jackshaft body lies in be equipped with the terminal surface oil groove on the side of meshing external splines place side, all meshing spline tooths of meshing external splines are kept away from the one end tip of slip external splines all is equipped with the toper end, and the width of toper end is crescent along the orientation of the directional slip external splines of meshing external splines. Through setting up central through hole and radial oil groove, just can effectively improve lubricated effect with lubricating oil direction meshing external splines through setting up the terminal surface oil groove, through set up the toper end on the meshing spline tooth, so, when puting into gear the meshing, utilize this toper end can stretch into in the tooth's socket of other engaging tooths to realize quick steady meshing, ensure to put into gear smooth -goingly and can put into gear fast.
Description
Technical field
This utility model belongs to change speed gear box technical field, is specifically related to a kind of change speed gear box jackshaft.
Background technology
Change speed gear box is made up of gear and axle, produces variable-speed torque-converting by different gear combination, and its function mainly has:
1, gear ratio is changed；
2, in the constant situation of hand engine rotation, automobile is made can to fall back traveling；
3, utilize neutral, interrupt power transmission, to enable the engine to starting, idling, and be easy to shift of transmission or carry out power output.
The Main Function of change speed gear box jackshaft is to connect change speed gear box one axle and two axles, selects to engage from different gears by the conversion of gear level, makes two axles can export different rotating speeds, turns to and moment of torsion.Although existing change speed gear box jackshaft disclosure satisfy that instructions for use to a certain extent, but has the shortcoming such as bite, collision when still suffering from lack of lubrication and engage with other tooth-shape structures.
Summary of the invention
In view of this, the purpose of this utility model is in that to provide a kind of change speed gear box jackshaft, can not only improve lubricant effect, and more smooth out when engaging with other tooth-shape structures.
For reaching above-mentioned purpose, this utility model provides following technical scheme:
A kind of change speed gear box jackshaft, including jackshaft body, one end of described jackshaft body is provided with engagement external splines, the other end is provided with slip external splines, and described jackshaft this internal be provided with central through hole, it is provided with the radial direction oil hole leading to described slip external splines in described central through hole, and described jackshaft body is positioned at the side of side, described engagement external splines place and is provided with end face oil groove；
All mesh splines teeth of described engagement external splines are equipped with cone-shaped end away from the end, one end of described slip external splines, and the direction that the width of described cone-shaped end points to described slip external splines along described engagement external splines is gradually increased.
Further, described cone-shaped end be respectively provided on two sides with the inclined-plane I being inclined to set relative to the plane of symmetry of mesh splines tooth described in its place, be provided with the plane of symmetry being perpendicular to its place mesh splines tooth the inclined-plane II being inclined to set relative to the axis of described jackshaft body between two described inclined-planes I.
Further, described inclined-plane II is 75-80 ° relative to the angle of inclination of the axis of described jackshaft body.
Further, the described inclined-plane II width on the direction of the plane of symmetry being perpendicular to its place mesh splines tooth is 0.8-1.2mm.
Further, the tooth top of described mesh splines tooth is provided with tooth top plane, and the angle between two described inclined-planes I intersecting lens respectively and between described tooth top plane is 90-110 °.
Further, described radial direction oil hole annular is uniform is set at least two.
The beneficial effects of the utility model are in that:
Change speed gear box jackshaft of the present utility model, by arranging central through hole and radial direction oil groove, lubricating oil can lead to slip external splines by central through hole and radial direction oil hole, and can by lubricating oil guiding engagement external splines by arranging end face oil groove, it is possible to is effectively improved lubricant effect；By arranging cone-shaped end on mesh splines tooth, so, when putting into gear engagement, utilize this cone-shaped end can stretch in the teeth groove of other engaging tooths, to realize quick and stable engagement, it is ensured that put into gear smooth-going and can quickly put into gear.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly, this utility model provides drawings described below to illustrate:
Fig. 1 is the structural representation of this utility model change speed gear box jackshaft embodiment；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the A-A sectional view of Fig. 1；
Fig. 4 is the B detail drawing of Fig. 1；
Fig. 5 is the top view of Fig. 4.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, so that those skilled in the art can be better understood from this utility model and can be practiced, but illustrated embodiment is not as to restriction of the present utility model.
As it is shown in figure 1, be the structural representation of this utility model change speed gear box jackshaft embodiment.The present embodiment change speed gear box jackshaft, including jackshaft body 1, one end of jackshaft body 1 is provided with engagement external splines 2, the other end is provided with slip external splines 3, and in jackshaft body 1, it is provided with central through hole 4, it is provided with the radial direction oil hole 5 leading to slip external splines 3 in central through hole 4, and jackshaft body 1 is positioned at the side engaging side, external splines 2 place and is provided with end face oil groove 6.The radial direction oil hole 5 uniform at least two that is set to of annular, radial direction oil hole 5 annular of the present embodiment is uniform is set to 3, and end face oil groove 6 is provided with 2.
All mesh splines teeth of the engagement external splines 2 of the present embodiment are equipped with cone-shaped end away from the end, one end of slip external splines 3, and the direction that the width of cone-shaped end points to slip external splines 3 along engagement external splines 2 is gradually increased.
Further, cone-shaped end be respectively provided on two sides with the inclined-plane I 7 being inclined to set relative to the plane of symmetry of its place mesh splines tooth 2, be provided with the plane of symmetry being perpendicular to its place mesh splines tooth 2 inclined-plane II 8 being inclined to set relative to the axis of jackshaft body 1 between two inclined-planes I 7.Inclined-plane II 8 is 75-80 ° relative to the tilt angle alpha of the axis of sleeve body 1, and the inclined-plane II 8 of the present embodiment is 80 ° relative to the tilt angle alpha of the axis of sleeve body 1.The inclined-plane II 8 width b on the direction of the plane of symmetry being perpendicular to its place mesh splines tooth is 0.8-1.2mm, and the inclined-plane II 8 of the present embodiment width b on the direction of the plane of symmetry being perpendicular to its place mesh splines tooth is 1mm.The tooth top of the mesh splines tooth of the present embodiment is provided with tooth top plane 9, angle β between two inclined-planes I 7 intersecting lens respectively and between tooth top plane 9 is 90-110 °, and the angle β between two inclined-planes I 7 of the present embodiment intersecting lens respectively and between tooth top plane 9 is 100 °.
The change speed gear box jackshaft of the present embodiment, by arranging central through hole and radial direction oil groove, lubricating oil can lead to slip external splines by central through hole and radial direction oil hole, and can by lubricating oil guiding engagement external splines by arranging end face oil groove, it is possible to is effectively improved lubricant effect；By arranging cone-shaped end on mesh splines tooth, so, when putting into gear engagement, utilize this cone-shaped end can stretch in the teeth groove of other engaging tooths, to realize quick and stable engagement, it is ensured that put into gear smooth-going and can quickly put into gear.
The slip external splines of the present embodiment is tooth number Z=21, the involute outer spline of modulus m=2.5, and engagement external splines is tooth number Z=32, the involute outer spline of modulus m=2, and jackshaft body 1 is provided with the carburizing and quenching layer that the degree of depth is 0.5-0.8mm, to improve surface strength.
Embodiment described above is only the preferred embodiment lifted for absolutely proving this utility model, and protection domain of the present utility model is not limited to this.Equivalent replacement that those skilled in the art make on this utility model basis or conversion, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (6)
1. a change speed gear box jackshaft, it is characterized in that: include jackshaft body, one end of described jackshaft body is provided with engagement external splines, the other end is provided with slip external splines, and described jackshaft this internal be provided with central through hole, it is provided with the radial direction oil hole leading to described slip external splines in described central through hole, and described jackshaft body is positioned at the side of side, described engagement external splines place and is provided with end face oil groove；
All mesh splines teeth of described engagement external splines are equipped with cone-shaped end away from the end, one end of described slip external splines, and the direction that the width of described cone-shaped end points to described slip external splines along described engagement external splines is gradually increased.
2. change speed gear box jackshaft according to claim 1, it is characterized in that: described cone-shaped end be respectively provided on two sides with the inclined-plane I being inclined to set relative to the plane of symmetry of mesh splines tooth described in its place, be provided with the plane of symmetry being perpendicular to its place mesh splines tooth the inclined-plane II being inclined to set relative to the axis of described jackshaft body between two described inclined-planes I.
3. change speed gear box jackshaft according to claim 2, it is characterised in that: described inclined-plane II is 75-80 ° relative to the angle of inclination of the axis of described jackshaft body.
4. change speed gear box jackshaft according to claim 3, it is characterised in that: the described inclined-plane II width on the direction of the plane of symmetry being perpendicular to its place mesh splines tooth is 0.8-1.2mm.
5. the change speed gear box jackshaft according to any one of claim 2-4, it is characterised in that: the tooth top of described mesh splines tooth is provided with tooth top plane, and the angle between two described inclined-planes I intersecting lens respectively and between described tooth top plane is 90-110 °.
6. change speed gear box jackshaft according to claim 1, it is characterised in that: described radial direction oil hole annular is uniform is set at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520959931.4U CN205383172U (en) | 2015-11-27 | 2015-11-27 | Gearbox intermediate shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520959931.4U CN205383172U (en) | 2015-11-27 | 2015-11-27 | Gearbox intermediate shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205383172U true CN205383172U (en) | 2016-07-13 |
Family
ID=56338205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520959931.4U Expired - Fee Related CN205383172U (en) | 2015-11-27 | 2015-11-27 | Gearbox intermediate shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205383172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812780A (en) * | 2015-11-27 | 2017-06-09 | 重庆康田齿轮有限公司 | Gearbox jackshaft |
-
2015
- 2015-11-27 CN CN201520959931.4U patent/CN205383172U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812780A (en) * | 2015-11-27 | 2017-06-09 | 重庆康田齿轮有限公司 | Gearbox jackshaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160713 Termination date: 20161127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |