CN209839092U - Novel gearbox transfer case - Google Patents
Novel gearbox transfer case Download PDFInfo
- Publication number
- CN209839092U CN209839092U CN201920025361.XU CN201920025361U CN209839092U CN 209839092 U CN209839092 U CN 209839092U CN 201920025361 U CN201920025361 U CN 201920025361U CN 209839092 U CN209839092 U CN 209839092U
- Authority
- CN
- China
- Prior art keywords
- output shaft
- power output
- gear
- power
- shaft
- 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
Links
- 230000005540 biological transmission Effects 0.000 claims description 34
- 239000000446 fuel Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
The utility model discloses a novel gearbox transfer case, the power distribution box comprises a box body, it installs power input shaft to rotate on the box, the jackshaft, power output shaft, the box is stretched out respectively at power input shaft's both ends, power output shaft one end stretches out the box, fixed mounting has the driving gear on the power input shaft, fixed mounting has and driving gear engagement intermediate gear on the jackshaft, it is equipped with drive gear still to rotate the cover on the jackshaft, the one end meshing that drive gear is close to intermediate gear has the slip meshing cover, the last one end that is close to drive gear of intermediate gear is provided with and slip meshing cover complex spline, the last viscidity clutch that is provided with of power output shaft, viscidity clutch's inner friction piece fixed connection power output shaft, the shell fixed connection of viscidity clutch is at. The device realizes the switching between four-wheel drive and two-wheel drive, improves the adaptability and the fuel economy, and realizes the functions of inter-axle differential and inter-axle locking.
Description
Technical Field
The utility model relates to an automobile power assembly field especially relates to a gearbox transfer case.
Background
In a four-wheel drive vehicle, a transfer case needs to be fitted behind the transmission in the power transmission path in order to distribute the power output from the transmission to the front and rear axles. The basic structure of the transfer case is a gear transmission system, an input shaft of the transfer case is connected with an output shaft of a speed changer through a flange, and two output shafts are generally connected with a front axle and a rear axle through flanges and universal transmission devices respectively. At present, the transfer cases adopting the viscous clutch to realize differential speed are all chain transmission, can not realize the switching between four-wheel drive and two-wheel drive, and can not meet the requirement of the whole vehicle on fuel economy.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a novel gearbox transfer case that adopts viscous clutch to realize the differential and can realize that four-wheel drive and two drive switch is provided.
In order to solve the technical problem, the technical scheme of the utility model is that: a novel gearbox transfer case comprises a case body, wherein a power input shaft, an intermediate shaft and a power output shaft are rotatably arranged on the case body, the two ends of the power input shaft respectively extend out of the case body, one end of the power output shaft extends out of the case body, a driving gear is fixedly arranged on the power input shaft, a driving gear meshed with the driving gear is fixedly arranged on the intermediate shaft, a transmission gear is further rotatably sleeved on the intermediate shaft, one end of the transmission gear, which is close to the intermediate gear, is meshed with a sliding meshing sleeve, a spline matched with the sliding meshing sleeve is arranged at one end, which is close to the transmission gear, of the intermediate gear, a viscous clutch is arranged on the power output shaft, an inner friction plate of the viscous clutch is fixedly connected with the power output shaft, and a shell of the viscous clutch is fixedly connected, the driven gear is meshed with the transmission gear.
Preferably, the end parts of the power input shaft and the power output shaft extending out of one end of the box body are respectively provided with a flange.
As a preferred technical scheme, the driving gear is fixedly arranged on the power input shaft through a spline; the intermediate gear is fixedly arranged on the intermediate shaft through a spline; and the inner friction plate of the viscous clutch is fixedly arranged on the power output shaft through a spline.
Preferably, the sliding sleeve is slidably mounted on the transmission gear through a spline.
As an improvement to the technical scheme, the power input shaft, the intermediate shaft and the power output shaft are respectively and rotatably mounted on the box body through bearings.
By adopting the technical scheme, the novel gearbox transfer case comprises a case body, wherein a power input shaft, an intermediate shaft and a power output shaft are rotatably arranged on the case body, the two ends of the power input shaft respectively extend out of the case body, one end of the power output shaft extends out of the case body, a driving gear is fixedly arranged on the power input shaft, a driving gear meshed with the driving gear is fixedly arranged on the intermediate shaft, a transmission gear is further rotatably sleeved on the intermediate shaft, one end of the transmission gear, which is close to the intermediate gear, is meshed with a sliding meshing sleeve, one end of the intermediate gear, which is close to the transmission gear, is provided with a spline matched with the sliding meshing sleeve, a viscous clutch is arranged on the power output shaft, an inner friction plate of the viscous clutch is fixedly connected with the power output shaft, and an outer shell of the viscous clutch is fixedly connected, the driven gear is meshed with the transmission gear. The two-wheel drive and four-wheel drive are switched by sliding the meshing sleeve, and after the meshing sleeve is matched with the whole vehicle, the adaptability of the whole vehicle to various road conditions and the fuel economy are improved; the viscous clutch is configured to realize the functions of differential between shafts and locking between shafts, and the adaptability and trafficability of the whole vehicle to various road conditions are improved.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
FIG. 1 is a transmission schematic diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the present invention.
In the figure: 1-a box body; 2-a power input shaft; 3-intermediate shaft; 4-a power take-off shaft; 5-a drive gear; 6-intermediate gear; 7-a transmission gear; 8-sliding engagement sleeve; 9-viscous clutch; 10-a driven gear; 11-a bearing; 12-flange i; 13-flange ii; 14-Flange III.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1, the novel gearbox transfer case comprises a case body 1, a power input shaft 2, an intermediate shaft 3 and a power output shaft 4 are rotatably mounted on the case body 1, two ends of the power input shaft 2 respectively extend out of the case body 1, one end of the power output shaft 4 extends out of the case body 1, a driving gear 5 is fixedly mounted on the power input shaft 2, an intermediate gear 6 meshed with the driving gear 5 is fixedly mounted on the intermediate shaft 3, a transmission gear 7 is further rotatably sleeved on the intermediate shaft 3, one end, close to the intermediate gear 6, of the transmission gear 7 is meshed with a sliding meshing sleeve 8, a spline matched with the sliding meshing sleeve 8 is arranged at one end, close to the transmission gear 7, of the intermediate gear 6, a viscous clutch 9 is arranged on the power output shaft 4, and an inner friction plate of the viscous clutch 9 is fixedly connected with the power output, the shell of the viscous clutch 9 is fixedly connected with a driven gear 10 sleeved on the power output shaft 4, and the driven gear 10 is meshed with the transmission gear 7.
As shown in fig. 2, the power input shaft 2, the intermediate shaft 3 and the power output shaft 4 are respectively rotatably mounted on the box body 1 through bearings 11, and the driving gear 5 is fixedly mounted on the power input shaft 2 through splines; the intermediate gear 6 is fixedly arranged on the intermediate shaft 3 through a spline; the transmission gear 7 is nested on the intermediate shaft 3 through a needle bearing and can rotate around the intermediate shaft 3, the driven gear 10 is nested on the power output shaft 4 through a needle bearing and can rotate around the power output shaft 4, an inner friction plate of the viscous clutch 9 is fixedly installed on the power output shaft 4 through a spline, and an outer shell of the viscous clutch 9 is fixedly installed on the driven gear 10 through a spline. In order to realize the power switching between the two-wheel drive and the four-wheel drive, a sliding meshing sleeve 8 is meshed at one end, close to the intermediate gear 6, of the transmission gear 7 through a spline, a spline matched with the sliding meshing sleeve 8 is arranged at one end, close to the transmission gear 7, of the intermediate gear 6, the sliding meshing device is shifted through a shifting fork and connected to the spline on the intermediate gear 6, and at the moment, the intermediate gear 6 and the transmission gear 7 are connected with the sliding meshing device simultaneously.
The power of the power output shaft of the gearbox is transmitted to the power input shaft 2 of the embodiment through the flange I12. In the two-drive state, the sliding meshing sleeve 8 and the intermediate gear 6 are in a disconnected state, and power is transmitted out through the flange II 13. In the four-wheel driving state, the shifting fork shifts the sliding meshing sleeve 8 to enable the sliding meshing sleeve to be connected with the spline on the intermediate gear 6, the intermediate gear 6 is connected with the transmission gear 7, and power is transmitted out through the flange II 13 and the flange III 14.
Power transmission oil is filled between the inner friction plate and the outer friction plate of the viscous clutch 9, when power is transmitted to the shell, the shell drives the outer friction plate to stir the power transmission oil to rotate, when the rotating speed difference between the power transmission oil and the inner friction plate reaches a limit value, the power transmission oil drives the inner friction plate to rotate, so that the power output shaft 4 and the flange III 14 are driven to rotate, and power is transmitted out. When the speed difference between the front shaft and the rear shaft of the whole vehicle reaches a certain limit value, the speed difference between the inner friction plate and the outer friction plate of the viscous clutch 9 is fed back to reach a set value, and the inner friction plate and the outer friction plate are locked relatively, so that the function of a differential lock is achieved.
The two-wheel drive and four-wheel drive are switched by the sliding meshing sleeve 8, and after the sliding meshing sleeve is matched with the whole vehicle, the adaptability of the whole vehicle to various road conditions and the fuel economy are improved; through the configuration viscous clutch 9 realizes the functions of inter-axle differential and inter-axle locking, and improves the adaptability and trafficability of the whole vehicle to various road conditions.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. Novel gearbox transfer case, the power distribution box comprises a box body, rotate on the box and install power input shaft, jackshaft, power output shaft, the both ends of power input shaft are stretched out respectively the box, power output shaft one end is stretched out box, its characterized in that: the power output shaft is provided with a viscous clutch, an inner friction plate of the viscous clutch is fixedly connected with the power output shaft, an outer shell of the viscous clutch is fixedly connected with a driven gear sleeved on the power output shaft, and the driven gear is meshed with the driving gear.
2. The novel transmission transfer case of claim 1, wherein: flanges are respectively arranged at the end parts of the power input shaft and the power output shaft, which extend out of one end of the box body.
3. The novel transmission transfer case of claim 1, wherein: the driving gear is fixedly arranged on the power input shaft through a spline; the intermediate gear is fixedly arranged on the intermediate shaft through a spline; and the inner friction plate of the viscous clutch is fixedly arranged on the power output shaft through a spline.
4. The novel transmission transfer case of claim 1, wherein: the sliding meshing sleeve is arranged on the transmission gear in a sliding mode through a spline.
5. A novel transfer case as claimed in claim 1, 2, 3 or 4 wherein: the power input shaft, the intermediate shaft and the power output shaft are rotatably mounted on the box body through bearings respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920025361.XU CN209839092U (en) | 2019-01-08 | 2019-01-08 | Novel gearbox transfer case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920025361.XU CN209839092U (en) | 2019-01-08 | 2019-01-08 | Novel gearbox transfer case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209839092U true CN209839092U (en) | 2019-12-24 |
Family
ID=68901195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920025361.XU Expired - Fee Related CN209839092U (en) | 2019-01-08 | 2019-01-08 | Novel gearbox transfer case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209839092U (en) |
-
2019
- 2019-01-08 CN CN201920025361.XU patent/CN209839092U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8961353B2 (en) | Two-speed disconnecting driveline with one reduction gearset | |
| CN106671771B (en) | Electric all-wheel drive device with double-speed double-stage planetary gear reducer | |
| CN106904073B (en) | Separable power train for all-wheel drive vehicle | |
| US8403795B2 (en) | Two-speed power take-off unit | |
| US9079495B2 (en) | Disconnectable driveline with a multi-speed RDM and PTU | |
| US8070638B2 (en) | Dual input planetary final drive | |
| EP3736160A1 (en) | Tandem axle system | |
| US20160138695A1 (en) | Disconnecting awd driveline with torque-vectoring capabilities | |
| US9108511B2 (en) | Transfer case | |
| CN101680519A (en) | Differential gearing for vehicles, in particular for four-wheel-drive vehicles | |
| CN106274467A (en) | A kind of automobile and transfer gear thereof | |
| EP2951044A1 (en) | Gear shift mechanism | |
| KR20180136478A (en) | Vehicle drive line system | |
| US6887177B1 (en) | Transfer for a four-wheel drive vehicle | |
| EP2699440B1 (en) | Power transfer unit disconnect | |
| CN104002670A (en) | Longitudinal automobile four-wheel-drive mechanism | |
| CN209839092U (en) | Novel gearbox transfer case | |
| US20100192724A1 (en) | Power transmission device with internal actuator | |
| US10670128B2 (en) | All-wheel drive driveline with front limited slip differential | |
| CN215435997U (en) | Drive axle assembly of vehicle and vehicle | |
| JPS60236839A (en) | Vehicle power transmission device | |
| CN201376499Y (en) | Double rear axle commercial vehicle time-sharing driving device | |
| CN210760261U (en) | Four-wheel drive transfer case based on timely four-wheel drive platform | |
| US9849778B2 (en) | Multi-speed transfer case | |
| WO2016022292A1 (en) | Tandem axles with disconnects |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |