CN204186936U - Gearbox driving gear anti-out of supply - Google Patents
Gearbox driving gear anti-out of supply Download PDFInfo
- Publication number
- CN204186936U CN204186936U CN201420641411.4U CN201420641411U CN204186936U CN 204186936 U CN204186936 U CN 204186936U CN 201420641411 U CN201420641411 U CN 201420641411U CN 204186936 U CN204186936 U CN 204186936U
- Authority
- CN
- China
- Prior art keywords
- gear
- driving gear
- teeth
- external splines
- face
- 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 kind of anti-gearbox driving gear out of supply, comprise gear, the center of described gear is provided with central through bore, and one end of described gear is provided with driving gear, and the other end is provided with external splines; The two ends end face of described gear is respectively equipped with the end face oil groove leading to described central through bore, the gear between described external splines and described driving gear is provided with the radial direction oil hole of leading to described central through bore; All spline tooths of described external splines are all set to teeth, and the direction that the width of described teeth points to driving gear along described external splines reduces gradually.By arranging end face oil groove and arrange radial direction oil hole on the end face of gear between external splines and driving gear, ensure can obtain sufficient lubrication between driving gear and gear shaft; By the spline tooth of external splines is set to teeth, can effectively avoid between driving gear and engaging sleeve out of supply.
Description
Technical field
The utility model belongs to technical field of mechanical transmission, is specifically related to a kind of anti-gearbox driving gear out of supply.
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.Existing gearbox driving gear is after engaging with engaging sleeve engage a gear, often there is defect easily out of supply, in addition, driving gear rotatable engagement is sleeved on gear shaft, during non-engage a gear, driving gear dallies relative to gear shaft, but lubricant oil can not enter between driving gear and gear shaft fully, there is the defect of lack of lubrication.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of anti-gearbox driving gear out of supply, can not only prevent out of supply, and lubrication effect is better.
For achieving the above object, the utility model provides following technological scheme:
A gearbox driving gear anti-out of supply, comprise gear, the center of described gear is provided with central through bore, and one end of described gear is provided with driving gear, and the other end is provided with external splines; The two ends end face of described gear is respectively equipped with the end face oil groove leading to described central through bore, the gear between described external splines and described driving gear is provided with the radial direction oil hole of leading to described central through bore; All spline tooths of described external splines are all set to teeth, and the direction that the width of described teeth points to driving gear 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 are dorsad provided with the inclined-plane I tilted relative to this teeth symmetry plane, 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 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 prevents gearbox driving gear out of supply, by arranging end face oil groove and arrange radial direction oil hole on the end face of gear between external splines and driving gear, lubricant oil can be made fully to enter in central through bore, ensure can obtain sufficient lubrication between driving gear and gear shaft; By the spline tooth of external splines is set to teeth, after driving gear engages with engaging sleeve, utilize the characteristic that teeth change width is different, can effectively avoid between driving 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 that the utility model prevents gearbox driving gear embodiment out of supply;
Fig. 2 is the A detail drawing of Fig. 1;
Fig. 3 is the B direction view 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, for the utility model prevents the structural representation of gearbox driving gear embodiment out of supply.The present embodiment prevents gearbox driving gear out of supply, comprises gear 1, and the center of described gear 1 is provided with central through bore 2, and one end of described gear 1 is provided with driving gear 3, and the other end is provided with external splines 4.The two ends end face of described gear 1 is respectively equipped with the end face oil groove 5 leading to described central through bore 2, the gear 1 between described external splines 4 and described driving gear 3 is provided with the radial direction oil hole 6 of leading to described central through bore 2; All spline tooths of described external splines 4 are all set to teeth 7, and the direction that the width of described teeth 7 points to driving gear 3 along described external splines 4 reduces gradually.Preferably, described radial direction oil hole 6 annular is uniform is set at least two, end face oil groove 5 is set at least twice be parallel to each other, radial direction oil hole 6 annular of the present embodiment is uniform is set to two, two end faces of gear 1 are respectively equipped with the twice end face oil groove 5 be parallel to each other, lubrication effect can be improved further.
Further, teeth 7 is arranged axisymmetricly, fall in described teeth 7 symmetry plane and angle between the dual-side in the cross section intercepted on corresponding described teeth 7 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 7 Topland bi-side is 0 °, angle α between the dual-side in the cross section of teeth 7 tooth root place intercepting is 6 °, adopts the teeth 7 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 7 end face of described driving gear 3 are dorsad provided with the inclined-plane I 8 tilted relative to this teeth 7 symmetry plane, and between two described inclined-planes I 8, be provided with the inclined-plane II 9 tilted relative to described gear axis, inclined-plane II 9 is 80 ° relative to the angle β between described gear 1 axis, is convenient to external splines 4 and smoothly engages with other tooth-shape structures.
The driving gear of the present embodiment is the cylindrical gears of modulus m=3.5, tooth number Z=28, and external splines is modulus m=2, the involute splines of tooth number Z=34, and the surface of gear is provided with the carburizing and quenching layer that the degree of depth is 0.56-0.84mm, effectively can strengthen surface property.
The present embodiment prevents gearbox driving gear out of supply, by arranging end face oil groove and arrange radial direction oil hole on the end face of gear between external splines and driving gear, lubricant oil can be made fully to enter in central through bore, ensure can obtain sufficient lubrication between driving gear and gear shaft; By the spline tooth of external splines is set to teeth, after driving gear engages with engaging sleeve, utilize the characteristic that teeth change width is different, can effectively avoid between driving 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. a gearbox driving gear anti-out of supply, it is characterized in that: comprise gear, the center of described gear is provided with central through bore, and one end of described gear is provided with driving gear, and the other end is provided with external splines; The two ends end face of described gear is respectively equipped with the end face oil groove leading to described central through bore, the gear between described external splines and described driving gear is provided with the radial direction oil hole of leading to described central through bore; All spline tooths of described external splines are all set to teeth, and the direction that the width of described teeth points to driving gear along described external splines reduces gradually.
2. gearbox driving gear anti-out of supply according to claim 1, is characterized in that: described teeth is arranged axisymmetricly.
3. gearbox driving gear anti-out of supply according to claim 2, 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. gearbox driving gear anti-out of supply according to claim 2, it is characterized in that: the both sides of the described teeth end face of described driving gear are dorsad provided with the inclined-plane I tilted relative to this teeth symmetry plane, and are provided with the inclined-plane II tilted relative to described gear axis between two described inclined-planes I.
5. gearbox driving gear anti-out of supply according to claim 4, is characterized in that: described inclined-plane II is 80 ° relative to the angle between described gear axis.
6. gearbox driving gear anti-out of supply according to claim 1, is characterized in that: described radial direction oil hole annular is uniform is set at least two.
7. gearbox driving gear anti-out of supply according to claim 6, 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 |
|---|---|---|---|
| CN201420641411.4U CN204186936U (en) | 2014-10-31 | 2014-10-31 | Gearbox driving gear anti-out of supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641411.4U CN204186936U (en) | 2014-10-31 | 2014-10-31 | Gearbox driving gear anti-out of supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204186936U true CN204186936U (en) | 2015-03-04 |
Family
ID=52618941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420641411.4U Expired - Fee Related CN204186936U (en) | 2014-10-31 | 2014-10-31 | Gearbox driving gear anti-out of supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204186936U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641181A (en) * | 2016-12-20 | 2017-05-10 | 赛克思液压科技股份有限公司 | Gear with end face lubricating structure |
| CN106678331A (en) * | 2015-11-05 | 2017-05-17 | 重庆克诺斯齿轮制造有限公司 | High-gear driven gear of tractor gearbox |
| CN106812820A (en) * | 2015-11-27 | 2017-06-09 | 重庆康田齿轮有限公司 | Gearbox shaft coupling tooth set |
-
2014
- 2014-10-31 CN CN201420641411.4U patent/CN204186936U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678331A (en) * | 2015-11-05 | 2017-05-17 | 重庆克诺斯齿轮制造有限公司 | High-gear driven gear of tractor gearbox |
| CN106812820A (en) * | 2015-11-27 | 2017-06-09 | 重庆康田齿轮有限公司 | Gearbox shaft coupling tooth set |
| CN106641181A (en) * | 2016-12-20 | 2017-05-10 | 赛克思液压科技股份有限公司 | Gear with end face lubricating structure |
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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: 20150304 Termination date: 20151031 |
|
| EXPY | Termination of patent right or utility model |