CN204267657U - Gearbox shifting driving gear - Google Patents
Gearbox shifting driving gear Download PDFInfo
- Publication number
- CN204267657U CN204267657U CN201420641522.5U CN201420641522U CN204267657U CN 204267657 U CN204267657 U CN 204267657U CN 201420641522 U CN201420641522 U CN 201420641522U CN 204267657 U CN204267657 U CN 204267657U
- Authority
- CN
- China
- Prior art keywords
- gear
- driving gear
- spline
- gearbox shifting
- shifting driving
- 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.)
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Abstract
The utility model discloses a kind of gearbox shifting driving gear, comprise gear, the center of described gear is provided with central through bore, one end of described gear is provided with driving gear, the other end is provided with spline, described driving gear is the cylindrical gears of modulus m=4, tooth number Z=26, and described spline is the involute splines of modulus m=2, tooth number Z=40; The two ends of described gear are respectively equipped with the end face oil groove being positioned at central through bore radial direction, and are provided with the radial direction oil hole communicated with described central through bore between described driving gear and spline; All spline tooths of described spline are provided with away from one end of described driving gear the arc envelope face formed by circular arc chamfering.Gearbox shifting driving gear of the present utility model, can not only improve lubrication effect, and more steady during engage a gear operation.
Description
Technical field
The utility model technical field of mechanical transmission, is specifically related to a kind of gearbox shifting driving gear.
Background technique
Gearbox shifting driving gear generally comprises driving gear and for the spline with engagement sleeves, during installation, gearbox shifting driving gear rotatable engagement is sleeved on gear shaft, when sleeve is not with spline engagement, reverse driving gear dallies, when after sleeve and spline engagement, gearshift driving gear is rotated by sleeve gear shaft, to realize the object of Power output.Although existing gearshift driving gear can meet usage requirement to a certain extent, but, still there is the defect of lubrication effect difference, and when operating with sleeve engage a gear, there is bite toward contact, the problem such as to collide with, cause the engage a gear operation of gearbox steady, affect the gear shift operation feel of gearbox, and also can cause gearshift driving gear and sleeve accelerated wear test, affect working life.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of gearbox shifting driving gear, can not only improve lubrication effect, and more steady during engage a gear operation.
For achieving the above object, the utility model provides following technological scheme:
A kind of gearbox shifting driving gear, comprise gear, the center of described gear is provided with central through bore, one end of described gear is provided with driving gear, the other end is provided with spline, described driving gear is the cylindrical gears of modulus m=4, tooth number Z=26, and described spline is the involute splines of modulus m=2, tooth number Z=40; The two ends of described gear are respectively equipped with the end face oil groove being positioned at central through bore radial direction, and are provided with the radial direction oil hole communicated with described central through bore between described driving gear and spline; All spline tooths of described spline are provided with away from one end of described driving gear the arc envelope face formed by circular arc chamfering.
Further, the end face oil groove be separately positioned in described gear both ends of the surface is mutually vertical.
Further, described radial direction oil hole is relative to the center uniform setting ringwise of described gear.
Further, the external diameter in described arc envelope face reduces gradually along the radially outer direction of described gear.
Further, seamlessly transit between described arc envelope face with the two side of corresponding described spline tooth.
Further, the symmetrical line in described arc envelope face is the oblique line of inclination relative to the axis of described gear.
Further, the angle between the symmetrical line in described arc envelope face and the axis of described gear is 80 °.
Further, in described arc envelope face, the center of circle of all circular arcs is all positioned at on the straight line of the axes normal of described gear.
The beneficial effects of the utility model are:
Gearbox shifting driving gear of the present utility model, by arranging radial direction oil hole and all arrange end face oil groove between driving gear and spline in both ends of the surface, effectively can strengthen the lubrication effect between reverse gear and reverse gear shaft, reduce the wearing and tearing of reverse gear and reverse gear shaft, improve working life; By arranging the arc envelope face formed by circular arc chamfering in the end of spline, when spline engages with sleeve engage a gear, due to the existence in this arc envelope face, even if touch between spline and sleeve, arc envelope face also can produce a tangent line component, makes sleeve along this smooth-going movement in arc envelope face, and the operation that engage a gear when finally realizing reverse gear engages, therefore, by arranging arc envelope face, engage a gear can be made to operate more smooth-going.
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 gearbox shifting driving gear embodiment;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the A detail drawing of Fig. 1;
Fig. 4 is the B-B sectional drawing of Fig. 3.
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, be the structural representation of the utility model gearbox shifting driving gear embodiment.The gearbox shifting driving gear of the present embodiment, comprise gear 1, the center of described gear 1 is provided with central through bore 2, one end of described gear 1 is provided with driving gear 3, the other end is provided with spline 4, the driving gear 3 of the present embodiment is the cylindrical gears of modulus m=4, tooth number Z=26, and described spline 4 is the involute splines of modulus m=2, tooth number Z=40.The two ends of described gear 1 are respectively equipped with the end face oil groove 5 being positioned at central through bore 2 radial direction, and are provided with the radial direction oil hole 6 communicated with described central through bore 2 between described driving gear 3 and spline 4.All spline tooths of described spline 4 are provided with away from one end of described driving gear 3 the arc envelope face 7 formed by circular arc chamfering.Preferably, radial direction oil hole 6 is relative to the center uniform setting ringwise of described gear 1, and the radial direction oil hole 6 of the present embodiment is set to two.Preferably, the end face oil groove 5 be separately positioned in described gear 1 both ends of the surface is mutually vertical, effectively can improve lubrication effect.
Further, the external diameter in arc envelope face 7 reduces gradually along the radially outer direction of described gear 1, and seamlessly transit between arc envelope face 7 with the two side of corresponding described spline tooth, bite can be avoided further, make engage a gear operation during reverse gear more steady.Further, the symmetrical line in arc envelope face 7 is the oblique line of inclination relative to the axis of described gear 1, angle α between the symmetrical line in the arc envelope face 7 of the present embodiment and the axis of described gear 1 is 80 °, and in arc envelope face 7, the center of circle of all circular arcs is all positioned at on the straight line of the axes normal of described gear 1.
The gear 1 of the present embodiment is also provided with the carburizing and quenching layer that the degree of depth is 0.8mm, effectively can strengthens surface hardness and the wear-resisting property of driving gear 3 and spline 4.
The gearbox shifting driving gear of the present embodiment, by arranging radial direction oil hole and all arrange end face oil groove between driving gear and spline in both ends of the surface, effectively can strengthen the lubrication effect between reverse gear and reverse gear shaft, reduce the wearing and tearing of reverse gear and reverse gear shaft, improve working life; By arranging the arc envelope face formed by circular arc chamfering in the end of spline, when spline engages with sleeve engage a gear, due to the existence in this arc envelope face, even if touch between spline and sleeve, arc envelope face also can produce a tangent line component, makes sleeve along this smooth-going movement in arc envelope face, and the operation that engage a gear when finally realizing reverse gear engages, therefore, by arranging arc envelope face, engage a gear can be made to operate more smooth-going.
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 (8)
1. a gearbox shifting driving gear, it is characterized in that: comprise gear, the center of described gear is provided with central through bore, one end of described gear is provided with driving gear, the other end is provided with spline, described driving gear is the cylindrical gears of modulus m=4, tooth number Z=26, and described spline is the involute splines of modulus m=2, tooth number Z=40; The two ends of described gear are respectively equipped with the end face oil groove being positioned at central through bore radial direction, and are provided with the radial direction oil hole communicated with described central through bore between described driving gear and spline; All spline tooths of described spline are provided with away from one end of described driving gear the arc envelope face formed by circular arc chamfering.
2. gearbox shifting driving gear according to claim 1, is characterized in that: the end face oil groove be separately positioned in described gear both ends of the surface is mutually vertical.
3. gearbox shifting driving gear according to claim 1, is characterized in that: described radial direction oil hole is relative to the center uniform setting ringwise of described gear.
4. the gearbox shifting driving gear according to any one of claim 1-3, is characterized in that: the external diameter in described arc envelope face reduces gradually along the radially outer direction of described gear.
5. gearbox shifting driving gear according to claim 4, is characterized in that: seamlessly transit between described arc envelope face with the two side of corresponding described spline tooth.
6. gearbox shifting driving gear according to claim 5, is characterized in that: the symmetrical line in described arc envelope face is the oblique line of inclination relative to the axis of described gear.
7. gearbox shifting driving gear according to claim 6, is characterized in that: the angle between the symmetrical line in described arc envelope face and the axis of described gear is 80 °.
8. gearbox shifting driving gear according to claim 1, is characterized in that: in described arc envelope face, the center of circle of all circular arcs is all positioned at on the straight line of the axes normal of described gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641522.5U CN204267657U (en) | 2014-10-31 | 2014-10-31 | Gearbox shifting driving gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641522.5U CN204267657U (en) | 2014-10-31 | 2014-10-31 | Gearbox shifting driving gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204267657U true CN204267657U (en) | 2015-04-15 |
Family
ID=52802528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420641522.5U Expired - Fee Related CN204267657U (en) | 2014-10-31 | 2014-10-31 | Gearbox shifting driving gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204267657U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812779A (en) * | 2015-11-27 | 2017-06-09 | 重庆康田齿轮有限公司 | Gearbox curved-tooth bevel gear wheel shaft |
| CN106812778A (en) * | 2015-11-27 | 2017-06-09 | 重庆康田齿轮有限公司 | Gearbox active bevel pinion shaft |
-
2014
- 2014-10-31 CN CN201420641522.5U patent/CN204267657U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812779A (en) * | 2015-11-27 | 2017-06-09 | 重庆康田齿轮有限公司 | Gearbox curved-tooth bevel gear wheel shaft |
| CN106812778A (en) * | 2015-11-27 | 2017-06-09 | 重庆康田齿轮有限公司 | Gearbox active bevel pinion shaft |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20161031 |