CN206206518U - A kind of transfer case - Google Patents
A kind of transfer case Download PDFInfo
- Publication number
- CN206206518U CN206206518U CN201621313972.7U CN201621313972U CN206206518U CN 206206518 U CN206206518 U CN 206206518U CN 201621313972 U CN201621313972 U CN 201621313972U CN 206206518 U CN206206518 U CN 206206518U
- Authority
- CN
- China
- Prior art keywords
- input
- gear
- axle sleeve
- shaft
- output
- 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
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Abstract
The utility model discloses a kind of transfer case, including：Casing；Input mechanism, it includes input shaft and the first input gear, axle sleeve and the second input gear that are sheathed on successively on input shaft, axle sleeve is provided with the internal spline being engaged with the external splines of input shaft, and the first input gear and the second input gear are provided with the external splines being engaged with the internal spline of axle sleeve；The drive mechanism being connected with axle sleeve；Output mechanism, including output shaft and output gear；Transmission mechanism, including power transmission shaft, the first travelling gear and the second travelling gear, the first travelling gear are engaged with the first input tooth, output gear, and the second travelling gear is engaged with the second input gear.The utility model is driven using input shaft, output shaft and power transmission shaft and located at the fine module gear of input shaft, output shaft and power transmission shaft, it is conducive to reducing volume, reduces weight, and the conversion of high and low shift is realized by the cooperation of axle sleeve and input shaft, the first input gear and the second input gear, it is simple, convenient.
Description
Technical field
The utility model is related to transfer box technology, more particularly, to a kind of transfer case.
Background technology
During a novel hydraulic electric cross-country vehicle is produced, its major requirement is two-stage speed change, small volume, weight
Light and front-rear axle is coaxially exported, and existing transfer case has that structure is complex, volume is big, weight is high, and it can not meet liquid
Press the demand of electric cross-country vehicle.
Utility model content
The purpose of this utility model is to overcome above-mentioned technical deficiency, proposes a kind of transfer case, and solution divides in the prior art
Dynamic box structure is complicated, the technical problem that volume is big, weight is high.
To reach above-mentioned technical purpose, the technical solution of the utility model provides a kind of transfer case, including,
Casing；
The input mechanism of the casing is built in, the input mechanism includes input shaft and is sheathed on the input shaft successively
On the first input gear, axle sleeve and the second input gear, the axle sleeve is provided with and is engaged with the external splines of the input shaft
Internal spline, and first input gear and second input gear be provided with and the axle sleeve with respect to axle sleeve side
The external splines that internal spline is engaged；
Drive mechanism, the drive mechanism is connected with the axle sleeve and can drive the axle sleeve along the input shaft axial direction
Motion makes the axle sleeve coordinate with first input gear or coordinate with second input gear；
Output mechanism, the output mechanism is built in the output shaft of the casing and is sheathed on the output shaft including middle part
Output gear；
Transmission mechanism, the transmission mechanism includes the parallel power transmission shaft between the input shaft and output shaft and is arranged
In the first travelling gear and the second travelling gear on the power transmission shaft, the first travelling gear side and described first is input into
Gear engagement, opposite side are engaged with the output gear, and second travelling gear is engaged with second input gear.
Preferably, the outer peripheral face of the axle sleeve is provided with the driver slot of annular, and the drive mechanism includes driving cylinder and drive
Lever, described drive rod one end is connected with the piston end of the driving cylinder, the other end is extended in the driver slot.
Preferably, the piston rod of the driving cylinder makees back and forth movement along the axial direction of the axle sleeve, and the drive rod is along described
Axle sleeve is radially arranged.
Preferably, the end face of the input of the input shaft is provided with internal spline, and the internal spline is defeated with Oil pump electrical machinery
The external splines gone out on end is engaged.
Preferably, the driving cylinder is the dual-purpose cylinder of gas and oil.
Compared with prior art, the utility model is using input shaft, output shaft and power transmission shaft and located at input shaft, output shaft
Fine module gear with power transmission shaft is driven, and it is conducive to reducing volume, reduces weight, and by axle sleeve and input shaft,
The conversion of high and low shift is realized in the cooperation of the first input gear and the second input gear, simple, convenient.
Brief description of the drawings
Fig. 1 is the structural representation of transfer case of the present utility model；
Fig. 2 is the A-A of Fig. 1 of the present utility model to cross section structure diagram.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and implementation
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model, is not used to limit the utility model.
Fig. 1, Fig. 2 are referred to, embodiment of the present utility model provides a kind of transfer case, including,
Casing 1；
The input mechanism 2 of the casing 1 is built in, the input mechanism 2 includes input shaft 21 and is sheathed on successively described
The first input gear 22, the input gear 24 of axle sleeve 23 and second on input shaft 21, the axle sleeve 23 are provided with and the input
The internal spline that the external splines of axle 21 is engaged, and first input gear 22 and second input gear 24 are with respect to axle sleeve 23
Side is provided with the external splines being engaged with the internal spline of the axle sleeve 23；
Drive mechanism 3, the drive mechanism 3 is connected with the axle sleeve 23 and can drive the axle sleeve 23 along the input
Axle 21 is axially moved makes the axle sleeve 23 coordinate with first input gear 22 or coordinate with second input gear 24；
Output mechanism 4, the output mechanism 4 is built in the output shaft 41 of the casing 1 and is sheathed on described including middle part
The output gear 42 of output shaft 41；
Transmission mechanism 5, the transmission mechanism 5 includes the parallel power transmission shaft between the input shaft 21 and output shaft 41
51 and the first travelling gear 52 and the second travelling gear 53 that are sheathed on the power transmission shaft 51, first travelling gear 52 1
Side is engaged with first input gear 22, opposite side is engaged with the output gear 42, second travelling gear 53 and institute
The second input gear 24 is stated to engage.
During concrete operations, the present embodiment drives input shaft 21 to rotate by Oil pump electrical machinery, and outer flower is provided with input shaft 21
Key, and the internal spline on axle sleeve 23 coordinates with the external splines of input shaft 21 so that input shaft 21 can drive axle sleeve 23 to rotate, the
It is 1 between one input gear 22, the first travelling gear 52 and output gear 42:1 transmission, the specially tooth of the first input gear 22
More than the toothed disc of the first travelling gear 52, it is height transmission to wheel disc, and the second input gear 24, the and of the second travelling gear 53
It is 1 between output gear 42:1.6 transmissions, it is the gear of the toothed disc less than the second travelling gear 53 of the second input gear 24
Disk, it is low speed rotation.Wherein, when needing height to be driven, the propeller shaft sleeve 23 of drive mechanism 3 is along input shaft 21 to the first input
Gear 22 is moved, external splines cooperation, another part and input shaft on the female spline portion of axle sleeve 23 and the first input gear 22
External splines on 21 coordinates, and the first input gear 22 is rotated coaxially with input shaft 21, and then drive the first travelling gear successively
52nd, output gear 42, output shaft 41 are rotated；And when low speed rotation is needed, the propeller shaft sleeve 23 of drive mechanism 3 is along the axle of input shaft 21
Moved to the second input gear 24, the external splines on the female spline portion of axle sleeve 23 and the second input gear 24 coordinates, another
Part coordinates with the external splines on input shaft 21, the second input gear 24 is rotated coaxially with input shaft 21, and then drives second
Travelling gear 53 is rotated, and the second travelling gear 53 drives power transmission shaft 51 to rotate, and power transmission shaft 51 drives the first travelling gear 52 to rotate
To drive output gear 42 and output shaft 41 to rotate respectively；The middle part of output shaft 41 is built in casing 1, and two output ends protrude from case
Body 1, two output ends can be respectively used to drive front-rear axle.Wherein, axle sleeve 23 can be driven to the middle part of input shaft 21, axle sleeve 23 it is interior
Spline coordinates with the external splines of input shaft 21 completely, from without driving output shaft 41.
When specifically carrying out height quick change shelves, the present embodiment is provided with the driver slot of annular in the outer peripheral face of the axle sleeve 23
231, the drive mechanism 3 includes driving cylinder 31 and drive rod 32, the piston of the one end of the drive rod 32 and the driving cylinder 31
End connection, the other end are extended in the driver slot 231, drive drive rod 32 to move to drive by the piston rod of driving cylinder 31
Axle sleeve 23 is axially moved along input shaft 21, and then realizes gear shift.
Wherein, the piston rod of driving cylinder 31 described in the present embodiment along the axle sleeve 23 axial back and forth movement, the driving
Bar 32 is radially arranged along the axle sleeve 23, and specially driving cylinder 31 be arranged in parallel with input shaft 21, so that can be by driving cylinder
31 drive drive rod 32 along the axial movement of input shaft 21, and it is conducive to improving the convenience for driving.Driven described in the present embodiment
Cylinder 31 is preferentially set to the dual-purpose cylinder of gas and oil, and driving cylinder 31 can be replaced with into manual flexible axle and be controlled.
It is defeated described in the present embodiment for the ease of driving because the electric cross-country vehicle of the present embodiment is driven using Oil pump electrical machinery
The end face for entering the input of axle 21 is provided with internal spline, and the output end of corresponding Oil pump electrical machinery is provided with what is be engaged with internal spline
External splines, the output end of Oil pump electrical machinery can specifically be inserted in the input of transfer case, and by Oil pump electrical machinery directly and transfer case
Connect as one, it is conducive to further reducing the overall weight and volume of transfer case driving.
Compared with prior art, the utility model is using input shaft, output shaft and power transmission shaft and located at input shaft, output shaft
Fine module gear with power transmission shaft is driven, and it is conducive to reducing volume, reduces weight, and by axle sleeve and input shaft,
The conversion of high and low shift is realized in the cooperation of the first input gear and the second input gear, simple, convenient.
The above specific embodiment of the present utility model, does not constitute the restriction to the utility model protection domain.
Any various other corresponding change and deformation made according to technology design of the present utility model, should be included in this practicality
In new scope of the claims.
Claims (5)
1. a kind of transfer case, it is characterised in that including,
Casing；
The input mechanism of the casing is built in, the input mechanism includes input shaft and is sheathed on successively on the input shaft
First input gear, axle sleeve and the second input gear, in the axle sleeve is provided with and be engaged with the external splines of the input shaft
Spline, and first input gear and second input gear are provided with the interior flower with the axle sleeve with respect to axle sleeve side
The external splines that key is engaged；
Drive mechanism, the drive mechanism is connected with the axle sleeve and the axle sleeve can be driven to be axially moved along the input shaft
The axle sleeve is set to coordinate with first input gear or coordinate with second input gear；
Output mechanism, the output mechanism is built in the output shaft of the casing and is sheathed on the defeated of the output shaft including middle part
Go out gear；
Transmission mechanism, the transmission mechanism includes the parallel power transmission shaft between the input shaft and output shaft and is sheathed on institute
State the first travelling gear and the second travelling gear on power transmission shaft, the first travelling gear side and first input gear
Engagement, opposite side are engaged with the output gear, and second travelling gear is engaged with second input gear.
2. transfer case according to claim 1, it is characterised in that the outer peripheral face of the axle sleeve is provided with the driving of annular
Groove, the drive mechanism includes driving cylinder and drive rod, and described drive rod one end is connected with the piston end of the driving cylinder, another
End is extended in the driver slot.
3. transfer case according to claim 2, it is characterised in that the piston rod of the driving cylinder along the axle sleeve axial direction
Make back and forth movement, the drive rod is radially arranged along the axle sleeve.
4. the transfer case according to Claims 2 or 3, it is characterised in that the end face of the input of the input shaft is provided with
Internal spline, the internal spline is engaged with the external splines of the output end of Oil pump electrical machinery.
5. transfer case according to claim 4, it is characterised in that the driving cylinder is the dual-purpose cylinder of gas and oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621313972.7U CN206206518U (en) | 2016-12-02 | 2016-12-02 | A kind of transfer case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621313972.7U CN206206518U (en) | 2016-12-02 | 2016-12-02 | A kind of transfer case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206206518U true CN206206518U (en) | 2017-05-31 |
Family
ID=58752507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621313972.7U Expired - Fee Related CN206206518U (en) | 2016-12-02 | 2016-12-02 | A kind of transfer case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206206518U (en) |
-
2016
- 2016-12-02 CN CN201621313972.7U patent/CN206206518U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170531 Termination date: 20191202 |