CN204186924U - Output shaft of gear-box - Google Patents

Output shaft of gear-box Download PDF

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Publication number
CN204186924U
CN204186924U CN201420641375.1U CN201420641375U CN204186924U CN 204186924 U CN204186924 U CN 204186924U CN 201420641375 U CN201420641375 U CN 201420641375U CN 204186924 U CN204186924 U CN 204186924U
Authority
CN
China
Prior art keywords
output shaft
radial
gear
spline
cylindrical gears
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
Application number
CN201420641375.1U
Other languages
Chinese (zh)
Inventor
肖登强
欧循明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING KANGTIAN GEAR Co Ltd
Original Assignee
CHONGQING KANGTIAN GEAR Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHONGQING KANGTIAN GEAR Co Ltd filed Critical CHONGQING KANGTIAN GEAR Co Ltd
Priority to CN201420641375.1U priority Critical patent/CN204186924U/en
Application granted granted Critical
Publication of CN204186924U publication Critical patent/CN204186924U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of output shaft of gear-box, comprise output shaft body, one end of output shaft body is provided with spline, and the other end is provided with cylindrical gears; Output shaft body is provided with axial oilhole on the end face being provided with spline one end, and axial oilhole is provided with and leads to radial direction oil hole in the middle part of described spline I and lead to the radial direction oil hole II that described spline is positioned at the end of inner side; Output shaft body is provided with end face positioning hole and end face oil groove on the end face being provided with cylindrical gears one end, and the sidewall of end face positioning hole is provided with the radial direction oil hole III of leading to described cylindrical gears.Arrange axial oilhole, radial direction oil hole I and radial direction oil hole II by corresponding with spline, can improve the lubrication to spline, and the lubricant oil passing into radial direction oil hole I and radial direction oil hole II can lubricate the different parts of spline, lubrication effect is better; End face positioning hole, end face oil groove and radial direction oil hole III are set by corresponding with cylindrical gears, the lubrication to cylindrical gears can be improved, reduce the wearing and tearing of cylindrical gears.

Description

Output shaft of gear-box
Technical field
The utility model belongs to gearbox technical field, is specifically related to a kind of output shaft of gear-box.
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, velocity ratio is changed;
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.
Output shaft of gear-box is used for the Power output after gearbox variable-speed torque-converting to transmission paries such as differential mechanisms, output shaft is generally set with and multiple output gear of its rotatable engagement and the sleeve with its synchronous axial system, engages to select different speed ratios by sleeve and different output gears.Although existing output shaft of gear-box can meet usage requirement to a certain extent, still there is the defect of greasy property deficiency.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of output shaft of gear-box, effectively can improve lubrication effect, improves working life.
For achieving the above object, the utility model provides following technological scheme:
A kind of output shaft of gear-box, comprise output shaft body, one end of described output shaft body is provided with spline, and the other end is provided with cylindrical gears; Described output shaft body is provided with axial oilhole on the end face being provided with spline one end, and described axial oilhole is provided with and leads to radial direction oil hole in the middle part of described spline I and lead to the radial direction oil hole II that described spline is positioned at the end of inner side; Described output shaft body is provided with end face positioning hole and end face oil groove on the end face being provided with cylindrical gears one end, and the sidewall of described end face positioning hole is provided with the radial direction oil hole III of leading to described cylindrical gears.
Further, the hydraulic fluid port that described radial direction oil hole I and radial direction oil hole II are positioned at described spline one end is all positioned at the teeth groove place of described spline.
Further, described radial direction oil hole III annular is uniform is arranged between described end face positioning hole and described cylindrical gears.
Further, the hydraulic fluid port that described radial direction oil hole III is positioned at described cylindrical gears one end is positioned at the teeth groove place of described cylindrical gears.
Further, described cylindrical gears comprises the path section that is positioned at end and is positioned at towards the large footpath section of described spline side.
Further, the end of all gear teeth of described cylindrical gears is equipped with the arc envelope face formed by circular arc chamfering.
Further, the external diameter in described arc envelope face reduces gradually along the radially outer direction of described output shaft body.
Further, seamlessly transit between described arc envelope face with the bi-side of the corresponding described gear teeth.
Further, the symmetrical line in described arc envelope face is circular curve.
The beneficial effects of the utility model are:
Output shaft of gear-box of the present utility model, by corresponding with spline, axial oilhole, radial direction oil hole I and radial direction oil hole II are set, can improve the lubrication to spline, and the lubricant oil passing into radial direction oil hole I and radial direction oil hole II can lubricate the different parts of spline, lubrication effect is better; End face positioning hole, end face oil groove and radial direction oil hole III are set by corresponding with cylindrical gears, the lubrication to cylindrical gears can be improved, reduce the wearing and tearing of cylindrical gears; Therefore, output shaft of gear-box of the present utility model effectively can improve lubrication effect, improves working life.
By arranging the arc envelope face formed by circular arc chamfering in the end of cylindrical gears, when cylindrical gears engages with other gear structure engage a gears, due to the existence in this arc envelope face, even if cylindrical gears and other gear structures are touched, arc envelope face can produce a tangent line component, makes other gear structures along this smooth-going movement in arc envelope face, and finally realize the operation of engage a gear engagement, 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 output shaft of gear-box embodiment;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is the B detail drawing of Fig. 1;
Fig. 4 is the C-C 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 output shaft of gear-box embodiment.The output shaft of gear-box of the present embodiment, comprises output shaft body 1, and one end of output shaft body 1 is provided with spline 2, and the other end is provided with cylindrical gears 3.Output shaft body 1 is provided with axial oilhole 4 on the end face being provided with spline 2 one end, and axial oilhole 4 is provided with and leads to radial direction oil hole in the middle part of spline 2 I 5 and lead to the radial direction oil hole II 6 that spline 2 is positioned at the end of inner side.Output shaft body 1 is provided with end face positioning hole 7 and end face oil groove 8 on the end face being provided with cylindrical gears 3 one end, and the sidewall of end face positioning hole 7 is provided with the radial direction oil hole III 9 of leading to cylindrical gears 3.
Preferably, radial direction oil hole I 5 annular of the present embodiment is laid with three, and greasy property is better.And the hydraulic fluid port that radial direction oil hole I 5 and radial direction oil hole II 6 are positioned at spline 2 one end is all positioned at the teeth groove place of spline 2, can not affect the intensity of spline 2.
Preferably, radial direction oil hole III 9 annular is uniform to be arranged between end face positioning hole 7 and cylindrical gears 3, and radial direction oil hole III 9 annular of the present embodiment is laid with 2, and lubrication effect is better.And the hydraulic fluid port that radial direction oil hole III 9 is positioned at cylindrical gears 3 one end is positioned at the teeth groove place of cylindrical gears 3, can not affect the intensity of cylindrical gears 3.
The output shaft of gear-box of the present embodiment, by corresponding with spline 2, axial oilhole 4, radial direction oil hole I 5 and radial direction oil hole II 6 are set, can improve the lubrication to spline, and the lubricant oil passing into radial direction oil hole I 5 and radial direction oil hole II 6 can lubricate the different parts of spline, lubrication effect is better; End face positioning hole 7, end face oil groove 8 and radial direction oil hole III 9 are set by corresponding with cylindrical gears 3, the lubrication to cylindrical gears 3 can be improved, reduce the wearing and tearing of cylindrical gears; Therefore, the output shaft of gear-box of the present embodiment effectively can improve lubrication effect, improves working life.
Further, cylindrical gears 3 comprises the path section 3a that is positioned at end and is positioned at towards the large footpath section 3b of spline 2 side.The end of all gear teeth of cylindrical gears 3 is equipped with the arc envelope face 10 formed by circular arc chamfering, the external diameter in arc envelope face 10 reduces gradually along the radially outer direction of output shaft body 1, and seamlessly transit between arc envelope face 10 with the bi-side of the corresponding gear teeth, can bite be avoided.The symmetrical line 11 in the arc envelope face 10 of the present embodiment is circular curve, and its subsequent corrosion R is 11mm.
By arranging the arc envelope face 10 formed by circular arc chamfering in the end of cylindrical gears 3, when cylindrical gears 3 engages with other gear structure engage a gears, due to the existence in this arc envelope face, even if cylindrical gears and other gear structures are touched, arc envelope face can produce a tangent line component, makes other gear structures along this smooth-going movement in arc envelope face, and finally realize the operation of engage a gear engagement, therefore, by arranging arc envelope face, engage a gear can be made to operate more smooth-going.
The spline 2 of the present embodiment is involute splines, its tooth number Z=23, and modulus m=2, is also provided with spline 12 between spline 2 and cylindrical gears 3, and spline 12 is also involute splines, its tooth number Z=26, modulus m=2.Tooth number Z=20 of cylindrical gears 3, modulus m=2.5.Output shaft body 1 is provided with the carburizing and quenching layer that thickness is 0.65mm, can effectively strengthen surface strength and wear-resisting property.
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 (9)

1. an output shaft of gear-box, is characterized in that: comprise output shaft body, and one end of described output shaft body is provided with spline, and the other end is provided with cylindrical gears; Described output shaft body is provided with axial oilhole on the end face being provided with spline one end, and described axial oilhole is provided with and leads to radial direction oil hole in the middle part of described spline I and lead to the radial direction oil hole II that described spline is positioned at the end of inner side; Described output shaft body is provided with end face positioning hole and end face oil groove on the end face being provided with cylindrical gears one end, and the sidewall of described end face positioning hole is provided with the radial direction oil hole III of leading to described cylindrical gears.
2. output shaft of gear-box according to claim 1, is characterized in that: the hydraulic fluid port that described radial direction oil hole I and radial direction oil hole II are positioned at described spline one end is all positioned at the teeth groove place of described spline.
3. output shaft of gear-box according to claim 1, is characterized in that: described radial direction oil hole III annular is uniform to be arranged between described end face positioning hole and described cylindrical gears.
4. output shaft of gear-box according to claim 3, is characterized in that: the hydraulic fluid port that described radial direction oil hole III is positioned at described cylindrical gears one end is positioned at the teeth groove place of described cylindrical gears.
5. output shaft of gear-box according to claim 1, is characterized in that: described cylindrical gears comprises the path section that is positioned at end and is positioned at towards the large footpath section of described spline side.
6. the output shaft of gear-box according to any one of claim 1-5, is characterized in that: the end of all gear teeth of described cylindrical gears is equipped with the arc envelope face formed by circular arc chamfering.
7. output shaft of gear-box according to claim 6, is characterized in that: the external diameter in described arc envelope face reduces gradually along the radially outer direction of described output shaft body.
8. output shaft of gear-box according to claim 7, is characterized in that: seamlessly transit between described arc envelope face with the bi-side of the corresponding described gear teeth.
9. output shaft of gear-box according to claim 8, is characterized in that: the symmetrical line in described arc envelope face is circular curve.
CN201420641375.1U 2014-10-31 2014-10-31 Output shaft of gear-box Expired - Fee Related CN204186924U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420641375.1U CN204186924U (en) 2014-10-31 2014-10-31 Output shaft of gear-box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420641375.1U CN204186924U (en) 2014-10-31 2014-10-31 Output shaft of gear-box

Publications (1)

Publication Number Publication Date
CN204186924U true CN204186924U (en) 2015-03-04

Family

ID=52618929

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420641375.1U Expired - Fee Related CN204186924U (en) 2014-10-31 2014-10-31 Output shaft of gear-box

Country Status (1)

Country Link
CN (1) CN204186924U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106678343A (en) * 2015-11-05 2017-05-17 重庆克诺斯齿轮制造有限公司 Tractor transmission power output transmission shaft
CN106812778A (en) * 2015-11-27 2017-06-09 重庆康田齿轮有限公司 Gearbox active bevel pinion shaft
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
CN106895133A (en) * 2015-12-17 2017-06-27 罗伯特·博世有限公司 For the gear shaft and engine starter of engine starter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106678343A (en) * 2015-11-05 2017-05-17 重庆克诺斯齿轮制造有限公司 Tractor transmission power output transmission shaft
CN106812778A (en) * 2015-11-27 2017-06-09 重庆康田齿轮有限公司 Gearbox active bevel pinion shaft
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
CN106895133A (en) * 2015-12-17 2017-06-27 罗伯特·博世有限公司 For the gear shaft and engine starter of engine starter

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150304

Termination date: 20161031

CF01 Termination of patent right due to non-payment of annual fee