CN204020557U - Vehicle rear axle differential gear - Google Patents
Vehicle rear axle differential gear Download PDFInfo
- Publication number
- CN204020557U CN204020557U CN201420427136.6U CN201420427136U CN204020557U CN 204020557 U CN204020557 U CN 204020557U CN 201420427136 U CN201420427136 U CN 201420427136U CN 204020557 U CN204020557 U CN 204020557U
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- input shaft
- semiaxis
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Abstract
The utility model provides a kind of vehicle rear axle differential gear, comprises differential shell, two semiaxis, input shaft and output shafts.Differential shell comprises the first housing and the second housing.Be provided with differential gear in second housing, and the two ends of the second housing are coaxially arranged with two and half axis holes.Two semiaxis are coaxially fixed on two and half axis holes respectively, and the direction, axis place of semiaxis is first direction.The first housing is fixed in input shaft one end, and the other end extends along the direction at the second housing place.The axes normal of input shaft is in the end face of the first housing, and input shaft is connected with differential gear by the Transmission be arranged in the first housing.Output shaft is positioned at the side of input shaft, and wherein the first housing is fixed in one end, the other end extends along the direction contrary with input shaft, the axis of output shaft and the axis being parallel of input shaft, and the direction at the axis place of output shaft is second direction, second direction is orthogonal with first direction.
Description
Technical field
The utility model relates to vehicular field, and in particular to a kind of vehicle rear axle differential gear.
Background technology
Diff is the major part of drive axle, its effect is exactly while the semiaxis transferring power of both sides, allow both sides semiaxis to rotate with different rotating speeds, meet two sidecar wheels and make Unequal distance traveling with the form of pure rolling as far as possible, reduce the friction on tire and ground.Ensure that automobile drive axle both sides wheel has the characteristic of friction speed rotation when stroke does not wait, thus meet the kinematic requirement of running car.
Existing vehicle mostly is two-wheel drive, as f-w-d or back-wheel drive.Therefore, existing driving engine also many and two-wheel drive vehicle match.And cross-country car, farmer's car etc. are in the all-terrain vehicle of open air, because it needs good off-road capability (as climbed, paddling), and easily there is the phenomenons such as skidding in common two-wheel drive.Therefore, usually the all-terrain vehicle such as cross-country car and farmer's car are all set to four wheel drive.
Because existing two-wheel drive mostly is the driving type of preposition forerunner, driving engine is arranged on the front portion of vehicle, and is connected with propons.And adopting in the all-terrain vehicle of four wheel drive, driving engine need be connected with back axle.Driving engine in the market cannot mate with the back axle of all-terrain vehicle.As the special driving engine of die sinking again, then need lead time of growing very much and development cost.
Utility model content
The utility model, in order to overcome the deficiencies in the prior art, provides a kind of vehicle rear axle differential gear.
To achieve these goals, the utility model provides a kind of vehicle rear axle differential gear, comprises differential shell, two semiaxis, input shaft and output shafts.Differential shell comprises the first housing and the second housing.Be provided with differential gear in second housing, and the two ends of the second housing are coaxially arranged with two and half axis holes.Two semiaxis are coaxially fixed on two and half axis holes respectively, and the direction, axis place of semiaxis is first direction.The first housing is fixed in input shaft one end, and the other end extends along the direction at the second housing place.The axes normal of input shaft is in the end face of the first housing, and input shaft is connected with differential gear by the Transmission be arranged in the first housing.Output shaft is positioned at the side of input shaft, and wherein the first housing is fixed in one end, the other end extends along the direction contrary with input shaft, the axis of output shaft and the axis being parallel of input shaft, and the direction at the axis place of output shaft is second direction, second direction is orthogonal with first direction.
Wherein, distance between the axis of input shaft and the axis of output shaft projection components is in a first direction 124 millimeters ~ 154 millimeters, and the distance between the axis of input shaft and the axis of output shaft is being 96 millimeters ~ 126 millimeters with the projection components on first direction and all orthogonal third direction of second direction.Distance between the end face of the first housing and the axis of semiaxis projection components is in a second direction 159 millimeters ~ 189 millimeters, and the projection components of the distance between the axis of output shaft and the axis of semiaxis on third direction is 33 millimeters ~ 43 millimeters.
In the utility model one embodiment, the projection components in a first direction of the distance between the axis of input shaft and the axis of output shaft is 134 millimeters ~ 144 millimeters.
In the utility model one embodiment, the projection components of the distance between the axis of input shaft and the axis of output shaft on third direction is 106 millimeters ~ 116 millimeters.
In the utility model one embodiment, the projection components in a second direction of the distance between the end face of the first housing and the axis of semiaxis is 169 millimeters ~ 179 millimeters.
In the utility model one embodiment, input shaft and output shaft are involute splined shaft or rectangle splined spindle.
In the utility model one embodiment, the top of the first housing is also provided with front mounting bracket, and the projection components of the distance between the top end face of front mounting bracket and the axis of semiaxis on third direction is 133 millimeters ~ 143 millimeters.
In the utility model one embodiment, the outside of the second housing, along the installation hanger axis direction of semiaxis is provided with in hollow columnar, the axis of hanger is installed parallel with the axis of semiaxis, and installation hanger projected length is in a first direction 70 millimeters ~ 80 millimeters, and the distance projection components in a second direction of installing between the axis of hanger and the axis of semiaxis is 90 millimeters ~ 100 millimeters.
In the utility model one embodiment, the axis of output shaft and the distance projection components in a first direction near between the end face of half axis hole of output shaft are 29 millimeters ~ 39 millimeters.
In sum, vehicle rear axle differential gear provided by the utility model compared with prior art has the following advantages:
In the vehicle rear axle differential gear that the utility model provides, the distance projection components in a first direction arranged between the axis of input shaft and the axis of output shaft is 124 millimeters ~ 154 millimeters, and the distance between the axis of input shaft and the axis of output shaft is being 96 millimeters ~ 126 millimeters with the projection components on first direction and all orthogonal third direction of second direction; Distance between the end face of the first housing and the axis of semiaxis projection components is in a second direction 159 millimeters ~ 189 millimeters, and the projection components of the distance between the axis of output shaft and the axis of semiaxis on third direction is 33 millimeters ~ 43 millimeters.The change of input shaft and position of output axle thus avoid between transmission shaft and driving engine interferes, greatly increase transmission performance and the service life of all-terrain vehicle, and can matched well be realized without the need to doing any change to existing driving engine, greatly reduce assembly cost.
In addition, due to vehicle impact by landform in motion process, vehicle body can vibrate, and this vibration will drive transmission shaft to vibrate.Input shaft is set and output shaft is involute splined shaft or rectangle splined spindle, input shaft and output shaft also can be shunk along on propeller shaft length direction while relatively rotating, mate Vehicular vibration at transmitting torque simultaneously.Meanwhile, in order to better firmly be connected mutually with vehicle chassis, the top of the first housing is also provided with front mounting bracket, and the outside of simultaneously the second housing, along the installation hanger axis direction of semiaxis is also provided with in hollow columnar.
For above-mentioned and other objects, features and advantages of the present utility model can be become apparent, preferred embodiment cited below particularly, and coordinate accompanying drawing, be described in detail below.
Accompanying drawing explanation
Figure 1 shows that the schematic front view of the vehicle rear axle differential gear that the utility model one embodiment provides.
Figure 2 shows that the schematic top plan view of the vehicle rear axle differential gear shown in Fig. 1.
Figure 3 shows that schematic diagram is looked on a left side for the vehicle rear axle differential gear shown in Fig. 1.
Detailed description of the invention
Figure 1 shows that the schematic front view of the vehicle rear axle differential gear that the utility model one embodiment provides.Figure 2 shows that the schematic top plan view of the vehicle rear axle differential gear shown in Fig. 1.Figure 3 shows that schematic diagram is looked on a left side for the vehicle rear axle differential gear shown in Fig. 1.See also Fig. 1 to Fig. 3.
The vehicle rear axle differential gear that the present embodiment provides comprises differential shell 1, two semiaxis 2, input shaft 3 and output shafts 4.Differential shell 1 comprises the first housing 11 and the second housing 12.Be provided with differential gear in second housing 12, and the second housing 12 two ends are coaxially arranged with two and half axis holes 121.Two semiaxis 3 are coaxially fixed on two and half axis holes 121 respectively, and the direction, axis place of semiaxis 3 is first direction (direction at the X-axis place in Fig. 2 and Fig. 3).The first housing 11 is fixed in input shaft 3 one end, and the other end extends along the direction at the second housing 12 place.The axes normal of input shaft 3 is in the end face of the first housing 11, and input shaft 3 is connected with differential gear by the Transmission be arranged in the first housing.Output shaft 4 is positioned at the side of input shaft 3, and wherein the first housing 11 is fixed in one end, the other end extends along the direction contrary with input shaft 3, the axis of output shaft 4 and the axis being parallel of input shaft 3, and the direction at the axis place of output shaft 4 is second direction (direction, Y-axis place in Fig. 1 and Fig. 2), second direction is orthogonal with first direction.
Wherein, distance between the axis of input shaft 3 and the axis of output shaft 4 projection components D1 is in a first direction 124 millimeters ~ 154 millimeters, and the distance between the axis of input shaft 3 and the axis of output shaft 4 is being 96 millimeters ~ 126 millimeters with the projection components D2 on first direction and all orthogonal third direction (direction at the Z axis place in Fig. 1 and Fig. 3) of second direction; Distance between the end face of the first housing 11 and the axis of semiaxis 2 projection components D3 is in a second direction 159 millimeters ~ 189 millimeters, and the projection components D4 of the distance between the axis of output shaft 4 and the axis of semiaxis 2 on third direction is 33 millimeters ~ 43 millimeters.
All-terrain vehicle to be adapted in all landform the current vehicle, because the environment travelled mostly is complicated dangerously steep landform, so to the off-road capability of vehicle itself and the requirement of safety performance all very high.And traditional two-wheel drive (forerunner or rear-guard), because its propulsive effort is less, grade climbing performance etc. are all more weak, are difficult to the demand meeting this kind of vehicle.Therefore, nearly all at present all-terrain vehicle all adopts four wheel drive.
In four wheel drive, the power that driving engine exports is connected to input shaft 3 through transmission shaft, and power is sent to the differential gear being positioned at the second housing 12 by the Transmission of input shaft 3 in displacement first housing 11.Output to through output shaft 4 transmission shaft be connected with propons after power distributes by differential gear, drive the front vehicle wheel be connected with propons.Meanwhile, differential gear also power is sent to be arranged on left and right two and half axis holes 121 on and two semiaxis 2 be connected with trailing wheel, power is sent on trailing wheel, realizes four wheel drive.
Because existing vehicle (as car, lorry and motorcoach etc.) mostly is two-wheel drive, and the preposition forerunner of many employings, namely driving engine is connected with propons, drives front-wheel.Therefore, nearly all in the market driving engine is all designed to match with propons.And all-terrain vehicle is owing to adopting four wheel drive, driving engine needs and carries out transmission of power between back axle.Therefore, the transmission of power how realized between the two is the key improving car load tractive performance.
In the present embodiment, vehicle rear axle differential gear and existing driving engine are matched realize pulsation-free transmission of power by arranging the size between the input shaft 3 of vehicle rear axle differential gear and output shaft 4 and the distance between output shaft 4 and semiaxis 2.And user is mated without the need to carrying out improving can realize between driving engine with back axle intact to available engine, greatly reduces the manufacturing cost of the all-terrain vehicle of four wheel drive.
Preferably, distance between the axis of input shaft 3 and the axis of output shaft 4 projection components D1 is in a first direction 134 millimeters ~ 144 millimeters, and is being 106 millimeters ~ 116 millimeters with the projection components D2 on first direction and all orthogonal third direction of second direction.And the distance projection components D3 in a second direction arranged between the end face of the first housing 11 and the axis of semiaxis 2 is 169 millimeters ~ 179 millimeters.In the present embodiment, the projection components D1 in a first direction of the distance between the axis of input shaft 3 and the axis of output shaft 4 is 139 millimeters, and is being 111 millimeters with the projection components D2 on first direction and all orthogonal third direction of second direction.And the distance projection components D3 in a second direction arranged between the end face of the first housing 11 and the axis of semiaxis 2 is 174 millimeters.The projection components of distance between the axis of output shaft 4 and the axis of semiaxis 2 on third direction is D4 is 38 millimeters.
The vehicle rear axle differential gear adopting the present embodiment to provide assembles, and all-terrain vehicle still has good car load tractive performance after the test of 30,000 kilometers.But the utility model is not limited in any way this.
Being connected with firm between vehicle chassis for better realizing this vehicle rear axle differential gear, preventing vehicle when the traveling on mountainous region of sternness, make because of strenuous exercise vehicle rear axle differential gear depart from chassis.In the present embodiment, mounting bracket 5 before the top of the first housing 11 is also provided with, the projection components D5 of the distance between the top end face of front mounting bracket 5 and the axis of semiaxis 2 on third direction is 133 millimeters ~ 143 millimeters.Further, the outside of the second housing 12, along the installation hanger 6 axis direction of semiaxis 2 is provided with in hollow columnar.The axis installing hanger 6 parallels with the axis of semiaxis 2, and installation hanger 6 projected length D6 is in a first direction 70 millimeters ~ 80 millimeters, the distance projection components D7 in a second direction installed between the axis of hanger 6 and the axis of semiaxis 2 is 90 millimeters ~ 100 millimeters.In the present embodiment, arranging D5 is 138 millimeters, and D6 is 74 millimeters, and D7 is 95 millimeters.But the utility model is not limited in any way this.
In the present embodiment, for improving the matching degree of driving engine and back axle further, arrange output shaft 4 axis and near output shaft 4 half axis hole 121 end face between distance projection components D8 be in a first direction 29 millimeters ~ 39 millimeters.Preferably, arranging D8 is 34 millimeters.
In addition, for improving the transmission degree of balance of transmission shaft further, input shaft 3 is set and output shaft 4 is involute splined shaft or rectangle splined spindle.Castellated shaft also can move along the length direction of transmission shaft in the process rotated, and mates Vehicular vibration at transmitting torque simultaneously, realizes transmission of power that is stable, balance.In the present embodiment, input shaft 3 is set and output shaft 4 is involute splined shaft.But the utility model is not limited in any way this.
In the present embodiment, for improving the overall performance of vehicle further, the shape star gear that differential gear comprises driven cone gear and is connected with driven cone gear is set, and the tail end of Transmission is provided with the active cone gear matched with driven cone gear.Taper can bear large load, and stable working, even if its noise and vibration is also very little when high-speed operation.
In sum, in the vehicle rear axle differential gear that the utility model provides, the distance projection components D1 in a first direction arranged between the axis of input shaft 3 and the axis of output shaft 4 is 124 millimeters ~ 154 millimeters, and the distance between the axis of input shaft 3 and the axis of output shaft 4 is being 96 millimeters ~ 126 millimeters with the projection components D2 on first direction and all orthogonal third direction of second direction; Distance between the end face of the first housing 11 and the axis of semiaxis 2 projection components D3 is in a second direction 159 millimeters ~ 189 millimeters, and the projection components D4 of the distance between the axis of output shaft 4 and the axis of semiaxis 2 on third direction is 33 millimeters ~ 43 millimeters.The change of input shaft 3 and output shaft 4 position thus avoid between transmission shaft and driving engine interferes, greatly increase transmission performance and the service life of all-terrain vehicle, and can matched well be realized without the need to doing any change to existing driving engine, greatly reduce assembly cost.
In addition, due to vehicle impact by landform in motion process, vehicle body can vibrate, and this vibration will drive transmission shaft to vibrate.Input shaft 3 is set and output shaft 4 is involute splined shaft or rectangle splined spindle, input shaft 3 and output shaft 4 also can be shunk along on propeller shaft length direction while relatively rotating, mate Vehicular vibration at transmitting torque simultaneously.Meanwhile, in order to better firmly be connected mutually with vehicle chassis, the top of the first housing 11 is also provided with front mounting bracket 5, and the outside of simultaneously the second housing 12, along the installation hanger 6 axis direction of semiaxis 2 is also provided with in hollow columnar.
Although the utility model discloses as above by preferred embodiment; but and be not used to limit the utility model; anyly know this those skilled in the art; not departing from spirit and scope of the present utility model; can do a little change and retouching, therefore protection domain of the present utility model is when being as the criterion depending on claims scope required for protection.
Claims (8)
1. a vehicle rear axle differential gear, is characterized in that, comprising:
Differential shell, comprises the first housing and the second housing, is provided with differential gear in described second housing, and the two ends of described second housing are coaxially arranged with two and half axis holes;
Two semiaxis, are coaxially fixed on described two and half axis holes respectively, and the direction, axis place of described semiaxis is first direction;
Input shaft, described first housing is fixed in one end, the other end extends along the direction at the second housing place, and the axes normal of described input shaft is in the end face of described first housing, and described input shaft is connected with described differential gear by the Transmission be arranged in the first housing;
Output shaft, be positioned at the side of described input shaft, and wherein described first housing is fixed in one end, the other end extends along the direction contrary with described input shaft, the axis of described output shaft and the axis being parallel of described input shaft, and the direction at the axis place of described output shaft is second direction, described second direction is orthogonal with described first direction;
Wherein, distance between the axis of described input shaft and the axis of described output shaft projection components is in a first direction 124 millimeters ~ 154 millimeters, and the distance between the axis of described input shaft and the axis of described output shaft is being 96 millimeters ~ 126 millimeters with the projection components on described first direction and all orthogonal third direction of second direction; Distance between the end face of described first housing and the axis of semiaxis projection components is in a second direction 159 millimeters ~ 189 millimeters, and the projection components of the distance between the axis of described output shaft and the axis of described semiaxis on third direction is 33 millimeters ~ 43 millimeters.
2. vehicle rear axle differential gear according to claim 1, is characterized in that, the projection components in a first direction of the distance between the axis of described input shaft and the axis of described output shaft is 134 millimeters ~ 144 millimeters.
3. vehicle rear axle differential gear according to claim 1 and 2, is characterized in that, the projection components of the distance between the axis of described input shaft and the axis of described output shaft on third direction is 106 millimeters ~ 116 millimeters.
4. vehicle rear axle differential gear according to claim 1, is characterized in that, the projection components in a second direction of the distance between the end face of described first housing and the axis of semiaxis is 169 millimeters ~ 179 millimeters.
5. vehicle rear axle differential gear according to claim 1, is characterized in that, described input shaft and output shaft are involute splined shaft or rectangle splined spindle.
6. vehicle rear axle differential gear according to claim 1, it is characterized in that, the top of described first housing is also provided with front mounting bracket, and the projection components of the distance between the top end face of described front mounting bracket and the axis of semiaxis on third direction is 133 millimeters ~ 143 millimeters.
7. the vehicle rear axle differential gear according to claim 1 or 6, it is characterized in that, the outside of described second housing, along the installation hanger axis direction of described semiaxis is provided with in hollow columnar, the axis of described installation hanger parallels with the axis of described semiaxis, and described installation hanger projected length is in a first direction 70 millimeters ~ 80 millimeters, and the distance projection components in a second direction between the axis of described installation hanger and the axis of semiaxis is 90 millimeters ~ 100 millimeters.
8. vehicle rear axle differential gear according to claim 1, is characterized in that, the axis of described output shaft and the distance projection components in a first direction near between the end face of half axis hole of described output shaft are 29 millimeters ~ 39 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420427136.6U CN204020557U (en) | 2014-07-31 | 2014-07-31 | Vehicle rear axle differential gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420427136.6U CN204020557U (en) | 2014-07-31 | 2014-07-31 | Vehicle rear axle differential gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204020557U true CN204020557U (en) | 2014-12-17 |
Family
ID=52060461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420427136.6U Expired - Fee Related CN204020557U (en) | 2014-07-31 | 2014-07-31 | Vehicle rear axle differential gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204020557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129287A (en) * | 2014-07-31 | 2014-11-05 | 浙江信阳实业有限公司 | Differential device of rear axle of vehicle |
-
2014
- 2014-07-31 CN CN201420427136.6U patent/CN204020557U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129287A (en) * | 2014-07-31 | 2014-11-05 | 浙江信阳实业有限公司 | Differential device of rear axle of vehicle |
| CN104129287B (en) * | 2014-07-31 | 2017-01-11 | 浙江信阳实业有限公司 | Differential device of rear axle of vehicle |
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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: 20141217 Termination date: 20160731 |
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| CF01 | Termination of patent right due to non-payment of annual fee |