CN204004283U - With the four-wheel drive transfer case of parking function - Google Patents
With the four-wheel drive transfer case of parking function Download PDFInfo
- Publication number
- CN204004283U CN204004283U CN201420410295.5U CN201420410295U CN204004283U CN 204004283 U CN204004283 U CN 204004283U CN 201420410295 U CN201420410295 U CN 201420410295U CN 204004283 U CN204004283 U CN 204004283U
- Authority
- CN
- China
- Prior art keywords
- shaft
- transfer case
- differential mechanism
- axle transmission
- gear
- 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.)
- Active
Links
Landscapes
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
The utility model relates to a kind of four-wheel drive transfer case with parking function, comprises front drive axle transmission shaft, back driving axle transmission shaft, differential casing and hollow shaft; Differential casing is located between front drive axle transmission shaft and back driving axle transmission shaft, and near back driving axle transmission shaft, is provided with differential mechanism anterior lateral tooth wheel shaft and differential mechanism posterior lateral tooth wheel shaft in differential casing; Hollow shaft is located between front drive axle transmission shaft and differential casing, and differential mechanism anterior lateral tooth wheel shaft passes hollow shaft, and connects front drive axle transmission shaft by shaft coupling, and differential mechanism posterior lateral tooth wheel shaft connects back driving axle transmission shaft by shaft coupling; The end of differential mechanism anterior lateral tooth wheel shaft and hollow shaft is equipped with spline tooth hub, is arranged with a parking gear gearshift and engages spline housing on two spline tooth hubs.Four-wheel drive transfer case with parking function, by said structure, can improve the abrupt slope parking gradient of offroad vehicle, and makes the parking of offroad vehicle safety on ramp.
Description
Technical field
The utility model relates to a kind of four-wheel drive transfer case with parking function, for four-wheel drive offroad vehicle.
Background technique
At present, the parking system of four-wheel drive offroad vehicle mostly adopts Parking Brake braking back axle, as long as back axle braking moment is enough large, just can ensure that trailing wheel can not rotate in the time of parking on ramp.But whether car load can stop, also to see now whether the adhesion of trailing wheel can offset the downslide component of car load gravity along ramp.Sometimes ramp is too steep, although trailing wheel can not rotate, but because there being differential mechanism between front-rear axle, propons is braked without Parking Brake, and front axle wheel is still rotatable, the adhesion of front axle wheel can not be used for offsetting the downslide component of car load gravity along ramp, only depend on the adhesion of trailing wheel can not offset the downslide component of car load gravity along ramp, now front axle wheel is rotating, and trailing wheel slides on road surface, cause car load to glide along ramp, thereby easily security incident occurs.
Therefore be necessary to design a kind of four-wheel drive transfer case with parking function, to overcome the problems referred to above.
Model utility content
The purpose of this utility model is to overcome the defect of prior art, and a kind of four-wheel drive transfer case with parking function is provided, and it can make the parking of four-wheel drive offroad vehicle safety on ramp.
The utility model is achieved in that
The utility model provides a kind of four-wheel drive transfer case with parking function, comprises front drive axle transmission shaft, back driving axle transmission shaft, differential casing and hollow shaft; Described differential casing is located between described front drive axle transmission shaft and described back driving axle transmission shaft, and near described back driving axle transmission shaft, in described differential casing, be provided with differential mechanism anterior lateral tooth wheel shaft and differential mechanism posterior lateral tooth wheel shaft, the more described differential mechanism anterior lateral tooth of described differential mechanism posterior lateral tooth wheel shaft wheel shaft is near described back driving axle transmission shaft; Described hollow shaft is located between described front drive axle transmission shaft and described differential casing, described differential mechanism anterior lateral tooth wheel shaft is through described hollow shaft, and connecting described front drive axle transmission shaft by shaft coupling, described differential mechanism posterior lateral tooth wheel shaft connects described back driving axle transmission shaft by shaft coupling; Wherein, the end of described differential mechanism anterior lateral tooth wheel shaft and described hollow shaft is equipped with spline tooth hub, is arranged with a parking gear gearshift and engages spline housing on two described spline tooth hubs.
Further, the described four-wheel drive transfer case with parking function also comprises a transfer case input shaft, and transfer case high gear driving gear and transfer case low gear driving gear are installed on described transfer case input shaft.
Further, one transfer case high gear driven gear and a transfer case low gear driven gear are set with on described hollow shaft, described transfer case high gear driven gear is meshed with described transfer case high gear driving gear, and described transfer case low gear driven gear is meshed with described transfer case low gear driving gear.
Further, between described transfer case high gear driven gear and described transfer case low gear driven gear, be provided with gearshift synchronizer, described gearshift synchronizer is connected with described hollow shaft.
Further, be provided with differential mechanism bevel planet gear in described differential casing, described differential mechanism bevel planet gear is meshed with described differential mechanism anterior lateral tooth wheel shaft and described differential mechanism posterior lateral tooth wheel shaft.
Further, when described differential mechanism bevel planet gear rotation, between described front drive axle transmission shaft and described back driving axle transmission shaft, there is speed discrepancy.
The utlity model has following beneficial effect:
In the time that ramp is too steep, the gearshift of parking gear is engaged to spline housing to be enclosed within on the spline tooth hub of differential mechanism anterior lateral tooth wheel shaft and the spline tooth hub of hollow shaft end simultaneously, described differential mechanism anterior lateral tooth wheel shaft and described hollow shaft become one, and then also become one with described differential mechanism posterior lateral tooth wheel shaft, differential mechanism bevel planet gear can not rotate, between front-rear axle, there is no differential function, therefore as long as the back axle braking moment of offroad vehicle is enough large, trailing wheel does not rotate, front-wheel also can not rotate, the adhesion of wheels of front-rear axle can be used for offsetting the downslide component of car load gravity along ramp, thereby greatly improve the offroad vehicle abrupt slope parking gradient, and can make four-wheel drive offroad vehicle on ramp safety parking.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the four-wheel drive transfer case with parking function that Fig. 1 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, all other embodiments that those of ordinary skill in the art obtain under the prerequisite of not making creative work, belong to the scope that the utility model is protected.
As Fig. 1, the utility model embodiment provides a kind of four-wheel drive transfer case with parking function, comprises front drive axle transmission shaft 1, back driving axle transmission shaft 12, differential casing 9 and hollow shaft 6.Described front drive axle transmission shaft 1, described back driving axle transmission shaft 12 and described hollow shaft 6 are all installed on the transfer case of offroad vehicle by bearing 3.
Described differential casing 9 is located between described front drive axle transmission shaft 1 and described back driving axle transmission shaft 12, and near described back driving axle transmission shaft 12, in described differential casing 9, be provided with differential mechanism anterior lateral tooth wheel shaft 10 and differential mechanism posterior lateral tooth wheel shaft 11, the more described differential mechanism anterior lateral tooth wheel shaft 10 of described differential mechanism posterior lateral tooth wheel shaft 11 is near described back driving axle transmission shaft 12.Wherein, between described front drive axle transmission shaft 1 and described back driving axle transmission shaft 12, allowed speed discrepancy.
Described hollow shaft 6 is located between described front drive axle transmission shaft 1 and described differential casing 9, described differential mechanism anterior lateral tooth wheel shaft 10 is through described hollow shaft 6, and connecting described front drive axle transmission shaft 1 by shaft coupling 18, described differential mechanism posterior lateral tooth wheel shaft 11 connects described back driving axle transmission shaft 12 by shaft coupling 18; Wherein, the end of described differential mechanism anterior lateral tooth wheel shaft 10 and described hollow shaft 6 is equipped with and on 4, two described spline tooth hubs 4 of spline tooth hub, is arranged with a parking gear gearshift and engages spline housing 5.
The described four-wheel drive transfer case with parking function also comprises a transfer case input shaft 2, and transfer case high gear driving gear 7 and transfer case low gear driving gear 8 are installed on described transfer case input shaft 2.One transfer case high gear driven gear 16 and a transfer case low gear driven gear 14 are set with on described hollow shaft 6, described transfer case high gear driven gear 16 is meshed with described transfer case high gear driving gear 7, and described transfer case low gear driven gear 14 is meshed with described transfer case low gear driving gear 8; Between described transfer case high gear driven gear 16 and described transfer case low gear driven gear 14, be provided with gearshift synchronizer 15, described gearshift synchronizer 15 is connected with described hollow shaft 6.
In described differential casing 9, be provided with differential mechanism bevel planet gear 13, described differential mechanism bevel planet gear 13 is meshed with described differential mechanism anterior lateral tooth wheel shaft 10 and described differential mechanism posterior lateral tooth wheel shaft 11.When described differential mechanism bevel planet gear 13 rotates, between described front drive axle transmission shaft 10 and described back driving axle transmission shaft 11, there is speed discrepancy.
The principle of the described four-wheel drive transfer case with parking function is as follows: the power transmitting from the output shaft of gear-box of offroad vehicle drives described transfer case input shaft 2 to rotate, be fixedly mounted with transfer case high gear driving gear 7 and the equal synchronous rotary of transfer case low gear driving gear 8 on it, can not directly drive hollow shaft 6 and the transfer case high gear driven gear 16 engaging with transfer case high gear driving gear 7 and the transfer case low gear driven gear 14 that engages with transfer case low gear driving gear 8 are all sleeved on hollow shaft 6.Between transfer case high gear driven gear 16 and transfer case low gear driven gear 14, there is gearshift synchronizer 15, tooth hub and the hollow shaft 6 of gearshift synchronizer connect firmly, the power passing on high gear (or low gear) driven gear can be passed on hollow shaft 6 by 15 of synchronizers of gearshift, and drive the between centers bevel planet gear differential casing 9 of transfer case, and then by differential mechanism bevel planet gear 13, power is passed to respectively to differential mechanism anterior lateral tooth wheel shaft 10 and differential mechanism posterior lateral tooth wheel shaft 11.Differential mechanism anterior lateral tooth wheel shaft 10 stretches out transfer case housing 17 through hollow shaft 6, and by shaft coupling 18, power is passed to front drive axle transmission shaft 1; Differential mechanism posterior lateral tooth wheel shaft 11 stretches out transfer case housing 17, and by shaft coupling 18, power is passed to back driving axle transmission shaft 12, wherein, between front drive axle transmission shaft 1 and back driving axle transmission shaft 12, has allowed speed discrepancy.
When parking gear gearshift engages spline housing 5 and leave the spline tooth hub of hollow shaft 6 ends, while being only enclosed within on the spline tooth hub 4 of differential mechanism anterior lateral tooth wheel shaft 10, parking gear is thrown off, between front-rear axle, there is differential function, now offroad vehicle can parking on the not too large ramp of the gradient, and Parking Brake light braking back axle utilizes the adhesion of trailing wheel just can offset car load gravity is enough to allow car load safe stopping firmly along the downslide component in ramp.In the time that ramp is too steep, the gearshift of parking gear is engaged to spline housing 5 to be enclosed within on the spline tooth hub 4 of differential mechanism anterior lateral tooth wheel shaft 10 and the spline tooth hub 4 of hollow shaft 6 ends simultaneously, described differential mechanism anterior lateral tooth wheel shaft 10 and described hollow shaft 6 become one, and then also become one with described differential mechanism posterior lateral tooth wheel shaft 11, differential mechanism bevel planet gear 13 can not rotate, between front-rear axle, there is no differential function, therefore as long as the back axle braking moment of offroad vehicle is enough large, trailing wheel does not rotate, front-wheel also can not rotate, the adhesion of wheels of front-rear axle can be used for offsetting the downslide component of car load gravity along ramp, thereby greatly improve the offroad vehicle abrupt slope parking gradient, and can make four-wheel drive offroad vehicle on ramp safety parking.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. the four-wheel drive transfer case with parking function, is characterized in that, comprises front drive axle transmission shaft, back driving axle transmission shaft, differential casing and hollow shaft;
Described differential casing is located between described front drive axle transmission shaft and described back driving axle transmission shaft, and near described back driving axle transmission shaft, in described differential casing, be provided with differential mechanism anterior lateral tooth wheel shaft and differential mechanism posterior lateral tooth wheel shaft, the more described differential mechanism anterior lateral tooth of described differential mechanism posterior lateral tooth wheel shaft wheel shaft is near described back driving axle transmission shaft;
Described hollow shaft is located between described front drive axle transmission shaft and described differential casing, described differential mechanism anterior lateral tooth wheel shaft is through described hollow shaft, and connecting described front drive axle transmission shaft by shaft coupling, described differential mechanism posterior lateral tooth wheel shaft connects described back driving axle transmission shaft by shaft coupling;
Wherein, the end of described differential mechanism anterior lateral tooth wheel shaft and described hollow shaft is equipped with spline tooth hub, is arranged with a parking gear gearshift and engages spline housing on two described spline tooth hubs.
2. the four-wheel drive transfer case with parking function as claimed in claim 1, it is characterized in that: the described four-wheel drive transfer case with parking function also comprises a transfer case input shaft, transfer case high gear driving gear and transfer case low gear driving gear are installed on described transfer case input shaft.
3. the four-wheel drive transfer case with parking function as claimed in claim 2, it is characterized in that: a transfer case high gear driven gear and a transfer case low gear driven gear are set with on described hollow shaft, described transfer case high gear driven gear is meshed with described transfer case high gear driving gear, and described transfer case low gear driven gear is meshed with described transfer case low gear driving gear.
4. the four-wheel drive transfer case with parking function as claimed in claim 3, is characterized in that: between described transfer case high gear driven gear and described transfer case low gear driven gear, be provided with gearshift synchronizer, described gearshift synchronizer is connected with described hollow shaft.
5. the four-wheel drive transfer case with parking function as claimed in claim 1, it is characterized in that: in described differential casing, be provided with differential mechanism bevel planet gear, described differential mechanism bevel planet gear is meshed with described differential mechanism anterior lateral tooth wheel shaft and described differential mechanism posterior lateral tooth wheel shaft.
6. the four-wheel drive transfer case with parking function as claimed in claim 5, is characterized in that: when described differential mechanism bevel planet gear rotation, between described front drive axle transmission shaft and described back driving axle transmission shaft, have speed discrepancy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420410295.5U CN204004283U (en) | 2014-07-24 | 2014-07-24 | With the four-wheel drive transfer case of parking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420410295.5U CN204004283U (en) | 2014-07-24 | 2014-07-24 | With the four-wheel drive transfer case of parking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204004283U true CN204004283U (en) | 2014-12-10 |
Family
ID=52044286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420410295.5U Active CN204004283U (en) | 2014-07-24 | 2014-07-24 | With the four-wheel drive transfer case of parking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204004283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121349A (en) * | 2014-07-24 | 2014-10-29 | 朱恒 | Four-wheel drive transfer case with parking function |
-
2014
- 2014-07-24 CN CN201420410295.5U patent/CN204004283U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121349A (en) * | 2014-07-24 | 2014-10-29 | 朱恒 | Four-wheel drive transfer case with parking function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106347091A (en) | Clutch control type electric drive axle | |
| RU134484U1 (en) | EASY WHEEL ATV WITH SKID STEER | |
| CN204004283U (en) | With the four-wheel drive transfer case of parking function | |
| CN106627094B (en) | Hybrid power system | |
| CN208730777U (en) | A kind of drive axle of small wheelspan motor braking | |
| CN104121349B (en) | four-wheel drive transfer case with parking function | |
| CN102371894A (en) | Synchronizer for preventing unilateral braking of vehicle | |
| CN104648143A (en) | Chain type racing bicycle driving system | |
| CN204239663U (en) | Holoaxial driver taken turns entirely by automobile | |
| CN207931450U (en) | A kind of electric drive axle structure and automobile | |
| CN103557302B (en) | A kind of limited slip differential | |
| CN209258096U (en) | The single brake type wheel undercarriage in left and right and unmanned platform truck | |
| CN102862477A (en) | Four-wheel driving converter for electric automobile | |
| CN102425651A (en) | Four-drive differential mechanism | |
| CN102345719B (en) | Full-gear mechanical differential lock | |
| CN206336115U (en) | Electronic ATV motor integrations back axle | |
| CN205149499U (en) | Hydraulic walking device of motor sweeper | |
| CN201264517Y (en) | Light solar vehicle equal torque motor differential mechanism | |
| CN206633815U (en) | Compound transmission with propons differential lock and two-axis transfer case apparatus | |
| CN201745436U (en) | Front axle driving system | |
| CN204820959U (en) | Automobile rear drive structure | |
| CN104214303A (en) | Novel differential structure reduction gearbox with function of damping connection transmission | |
| CN203570973U (en) | Limited slip differential | |
| CN203592891U (en) | Gearbox chain transmission all-wheel-drive tractor chassis | |
| CN107054031A (en) | Electronic ATV motor integrations back axle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210401 Address after: 430000, floor 1-2, building B01, Xingyi Road factory building, Hannan economic and Technological Development Zone, Hannan District, Wuhan City, Hubei Province Patentee after: Wuhan kuaichuang Technology Co.,Ltd. Address before: 430100 5th floor, Xingguang Jiuding Industrial Park office building, Zhashan street, Caidian District, Wuhan City, Hubei Province Patentee before: Zhu Heng |
|
| TR01 | Transfer of patent right |