CN204267666U - For the duplicate gear of gearbox - Google Patents
For the duplicate gear of gearbox Download PDFInfo
- Publication number
- CN204267666U CN204267666U CN201420641670.7U CN201420641670U CN204267666U CN 204267666 U CN204267666 U CN 204267666U CN 201420641670 U CN201420641670 U CN 201420641670U CN 204267666 U CN204267666 U CN 204267666U
- Authority
- CN
- China
- Prior art keywords
- gear
- driving gear
- gearbox
- teeth
- external splines
- 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
Links
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model discloses a kind of duplicate gear for gearbox, comprise gear, the center of described gear is provided with central through bore, and the two ends of described gear are respectively equipped with driving gear I and external splines, is provided with driving gear II between described driving gear I and external splines; The both ends of the surface of described gear are respectively equipped with the end face oil groove communicated with described central through bore, and be provided with the radial direction oil hole I communicated with described central through bore between described driving gear I and driving gear II, described driving gear II be provided with the radial direction oil hole II communicated with described central through bore between described external splines; All spline tooths of described external splines are all set to teeth, and the direction that the width of described teeth points to described driving gear I along described external splines reduces gradually.The utility model is used for the duplicate gear of gearbox, can not only prevent out of supply, but also can improve lubrication effect.
Description
Technical field
The utility model belongs to gear transmission technology field, is specifically related to a kind of duplicate gear for gearbox.
Background technique
Gearbox is made up of gear and axle, and produce variable-speed torque-converting by different Gear combination, its function mainly contains: 1, change velocity ratio; 2, in the constant situation of hand engine rotation, automobile can be fallen back traveling; 3, utilize neutral, interrupt transmission of power, to start to enable motor, idling, and be convenient to shifting of transmission or carry out Power output.
Common duplicate gear only comprises two in the driving gear be wholely set, but, in gearbox, the general rotatable engagement of duplicate gear is sleeved on gear shaft, one end of duplicate gear is provided with the external splines for engaging with engaging sleeve engage a gear, utilizes the engage a gear between external splines with engaging sleeve to engage the transmission realizing power.But existing gearbox duplicate gear, after engaging with engaging sleeve engage a gear, also exists defect easily out of supply, and lubrication effect between duplicate gear and gear shaft is not good, often causes duplicate gear and gear shaft by inordinate wear, and then affects working life.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of duplicate gear for gearbox, can not only prevent out of supply, but also can improve lubrication effect.
For achieving the above object, the utility model provides following technological scheme:
For a duplicate gear for gearbox, comprise gear, the center of described gear is provided with central through bore, and the two ends of described gear are respectively equipped with driving gear I and external splines, is provided with driving gear II between described driving gear I and external splines;
The both ends of the surface of described gear are respectively equipped with the end face oil groove communicated with described central through bore, and be provided with the radial direction oil hole I communicated with described central through bore between described driving gear I and driving gear II, described driving gear II be provided with the radial direction oil hole II communicated with described central through bore between described external splines;
All spline tooths of described external splines are all set to teeth, and the direction that the width of described teeth points to described driving gear I along described external splines reduces gradually.
Further, described teeth is arranged axisymmetricly.
Further, fall in described teeth symmetry plane and angle between the dual-side in the cross section intercepted on corresponding described teeth with the plane of the axis being parallel of described gear is 0-6 °, and in any two described cross sections, the angle between the dual-side in the cross section nearer apart from described gear axis is greater than the angle of the dual-side in the cross section far away apart from described gear axis.
Further, the both sides of the described teeth end face of described driving gear I are dorsad provided with the inclined-plane I tilted relative to the symmetry plane of this teeth, and are provided with the inclined-plane II tilted relative to described gear axis between two described inclined-planes I.
Further, described inclined-plane II is 80 ° relative to the angle between described gear axis.
Further, described radial direction oil hole I annular is uniform is set at least two, and described radial direction oil hole II annular is uniform is set at least two.
Further, described end face oil groove is set at least twice that are parallel to each other.
The beneficial effects of the utility model are:
The utility model is used for the duplicate gear of gearbox, by arranging end face oil groove on the end face of gear, arrange radial direction oil hole I and arrange radial direction oil hole II between driving gear I and driving gear II between external splines and driving gear II, lubricant oil can be made fully to enter in central through bore, ensure can obtain sufficient lubrication between duplicate gear and gear shaft; By the spline tooth of external splines is set to teeth, after duplicate gear engages with engaging sleeve, utilize the characteristic that teeth change width is different, can effectively avoid between driven gear and engaging sleeve out of supply, make gearbox performance more stable.
Accompanying drawing explanation
In order to make the purpose of this utility model, technological scheme and beneficial effect clearly, the utility model provides following accompanying drawing to be described:
Fig. 1 is the structural representation of the utility model for the duplicate gear embodiment of gearbox;
Fig. 2 is the A detail drawing of Fig. 1;
Fig. 3 is the B direction view of Fig. 2;
Fig. 4 is the C-C sectional drawing of Fig. 2.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, and to make those skilled in the art better can understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 1, the structural representation of the duplicate gear embodiment of gearbox is used for for the utility model.The present embodiment is used for the duplicate gear of gearbox, comprise gear 1, the center of described gear 1 is provided with central through bore 2, and the two ends of described gear 1 are respectively equipped with driving gear I 3 and external splines 4, are provided with driving gear II 5 between described driving gear I 3 and external splines 4.The both ends of the surface of gear 1 are respectively equipped with the end face oil groove 6 communicated with described central through bore 2, and between described driving gear I 3 and driving gear II 5, be provided with the radial direction oil hole I 7 communicated with described central through bore 2, be provided with the radial direction oil hole II 8 communicated with described central through bore 2 between described driving gear II 5 with described external splines 4.All spline tooths of external splines 4 are all set to teeth 9, and the direction that the width of described teeth 9 points to described driving gear I 3 along described external splines 4 reduces gradually.Radial direction oil hole I 7 annular is uniform is set at least two, and radial direction oil hole II 8 annular is uniform is set at least two, and end face oil groove 6 is set at least twice be parallel to each other.Radial direction oil hole I 7 annular of the present embodiment is uniform is set to two, and radial direction oil hole II 8 annular is uniform is set to two, two end faces of gear 1 is respectively equipped with the end face oil groove 6 that twice are parallel to each other.
Further, teeth 9 is arranged axisymmetricly, fall in described teeth 9 symmetry plane and angle α between the dual-side in the cross section intercepted on corresponding described teeth 9 with the plane of the axis being parallel of described gear 1 is 0-6 °, and in any two described cross sections, the angle between the dual-side in the cross section nearer apart from described gear 1 axis is greater than the angle of the dual-side in the cross section far away apart from described gear 1 axis.Namely the angle between teeth 9 Topland bi-side is 0 °, angle between the dual-side in the cross section of teeth 9 tooth root place intercepting is 6 °, adopts the teeth 9 of this structure, can not only prevent out of supply, and the structural strength of external splines 4 can be ensured, its power transmission ability can not be affected.
Further, the both sides of teeth 9 end face of described driving gear I 3 are dorsad provided with the inclined-plane I 10 tilted relative to the symmetry plane of this teeth, and between two described inclined-planes I 10, be provided with the inclined-plane II 11 tilted relative to described gear axis, inclined-plane II, 1 is 80 ° relative to the angle β between described gear 1 axis, is convenient to external splines 4 and smoothly engages with between engaging sleeve.
The driving gear I 3 of the present embodiment is the cylindrical gears of modulus m=3.5, tooth number Z=21, and driving gear II 5 is the cylindrical gears of modulus m=3.5, tooth number Z=43, and external splines 4 is the involute splines of modulus m=2, tooth number Z=34.Gear 1 is provided with the carburizing and quenching layer that the degree of depth is 0.56-0.84mm, can effectively strengthen surface strength and wear-resisting property.
The present embodiment is used for the duplicate gear of gearbox, by arranging end face oil groove on the end face of gear, arrange radial direction oil hole I and arrange radial direction oil hole II between driving gear I and driving gear II between external splines and driving gear II, lubricant oil can be made fully to enter in central through bore, ensure can obtain sufficient lubrication between duplicate gear and gear shaft; By the spline tooth of external splines is set to teeth, after duplicate gear engages with engaging sleeve, utilize the characteristic that teeth change width is different, can effectively avoid between driven gear and engaging sleeve out of supply, make gearbox performance more stable.
The above embodiment is only for absolutely proving the preferred embodiment that the utility model is lifted, and protection domain of the present utility model is not limited thereto.The equivalent alternative or conversion that those skilled in the art do on the utility model basis, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (7)
1. the duplicate gear for gearbox, it is characterized in that: comprise gear, the center of described gear is provided with central through bore, and the two ends of described gear are respectively equipped with driving gear I and external splines, is provided with driving gear II between described driving gear I and external splines;
The both ends of the surface of described gear are respectively equipped with the end face oil groove communicated with described central through bore, and be provided with the radial direction oil hole I communicated with described central through bore between described driving gear I and driving gear II, described driving gear II be provided with the radial direction oil hole II communicated with described central through bore between described external splines;
All spline tooths of described external splines are all set to teeth, and the direction that the width of described teeth points to described driving gear I along described external splines reduces gradually.
2. according to claim 1 for the duplicate gear of gearbox, it is characterized in that: described teeth is arranged axisymmetricly.
3. according to claim 2 for the duplicate gear of gearbox, it is characterized in that: fall in described teeth symmetry plane and angle between the dual-side in the cross section intercepted on corresponding described teeth with the plane of the axis being parallel of described gear is 0-6 °, and in any two described cross sections, the angle between the dual-side in the cross section nearer apart from described gear axis is greater than the angle of the dual-side in the cross section far away apart from described gear axis.
4. according to claim 2 for the duplicate gear of gearbox, it is characterized in that: the both sides of the described teeth end face of described driving gear I are dorsad provided with the inclined-plane I tilted relative to the symmetry plane of this teeth, and between two described inclined-planes I, be provided with the inclined-plane II tilted relative to described gear axis.
5. according to claim 4 for the duplicate gear of gearbox, it is characterized in that: described inclined-plane II is 80 ° relative to the angle between described gear axis.
6. according to claim 1 for the duplicate gear of gearbox, it is characterized in that: described radial direction oil hole I annular is uniform is set at least two, described radial direction oil hole II annular is uniform is set at least two.
7. according to claim 6 for the duplicate gear of gearbox, it is characterized in that: described end face oil groove is set at least twice be parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641670.7U CN204267666U (en) | 2014-10-31 | 2014-10-31 | For the duplicate gear of gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641670.7U CN204267666U (en) | 2014-10-31 | 2014-10-31 | For the duplicate gear of gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204267666U true CN204267666U (en) | 2015-04-15 |
Family
ID=52802537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420641670.7U Expired - Fee Related CN204267666U (en) | 2014-10-31 | 2014-10-31 | For the duplicate gear of gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204267666U (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 |
-
2014
- 2014-10-31 CN CN201420641670.7U patent/CN204267666U/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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204267659U (en) | gearbox low gear driven gear | |
| CN204186936U (en) | Gearbox driving gear anti-out of supply | |
| CN204186924U (en) | Output shaft of gear-box | |
| CN204186778U (en) | Gearbox fusiformis gearshift jack shaft | |
| CN204186933U (en) | Gearbox driven gear anti-out of supply | |
| CN204267666U (en) | For the duplicate gear of gearbox | |
| CN204267650U (en) | Gearbox slip shifter collar | |
| CN205190673U (en) | III grades of driving gears of tractor gearbox | |
| CN204267649U (en) | Gearbox driving gear | |
| CN204186952U (en) | Duplex engaging gear | |
| CN204186931U (en) | Gearbox reverse gear driven gear | |
| CN204267504U (en) | Gearbox driving gear shaft | |
| CN204186963U (en) | Auxiliary transmission gear shaft | |
| CN204267657U (en) | Gearbox shifting driving gear | |
| CN204186980U (en) | Sliding gear collar | |
| CN204267651U (en) | Reverse gear sliding gear anti-out of supply | |
| CN204267652U (en) | Power output driven gear | |
| CN205423745U (en) | High -grade driven gear of tractor gearbox | |
| CN204186945U (en) | The middle-grade driving gear of gearbox | |
| CN204186949U (en) | Lubrication is anti-gearbox driven gear out of supply fully | |
| CN204186935U (en) | Gearbox is engage a gear engaging gear initiatively | |
| CN205383172U (en) | Gearbox intermediate shaft | |
| CN204186775U (en) | Gearbox second axle | |
| CN204267653U (en) | Power output gear | |
| CN204267502U (en) | The hollow splined shaft of gearbox |
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: 20150415 Termination date: 20151031 |
|
| EXPY | Termination of patent right or utility model |