CN215360926U - Manual power take-off mechanism of transfer case - Google Patents
Manual power take-off mechanism of transfer case Download PDFInfo
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- CN215360926U CN215360926U CN202121309733.5U CN202121309733U CN215360926U CN 215360926 U CN215360926 U CN 215360926U CN 202121309733 U CN202121309733 U CN 202121309733U CN 215360926 U CN215360926 U CN 215360926U
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Abstract
The utility model relates to a manual transfer case power take-off mechanism, and belongs to the technical field of automobile transfer case equipment. The technical scheme is as follows: the input shaft (1) and the intermediate shaft (19) are normally engaged, the intermediate shaft (19) is in a normally rotating state, the tail of the intermediate shaft (19) is connected with the power take-off coupling teeth (18) through a spline, the power take-off gear sleeve (14) moves leftwards until the internal spline is completely engaged with the external spline of the power take-off coupling teeth (18), the power of the input shaft (1) is transmitted to the power take-off output shaft (12), and the power take-off is in an open state at the moment. The power take-off gear sleeve (14) moves rightwards until the internal spline is completely separated from the external spline of the power take-off coupling gear (18), the power of the input shaft (1) cannot be transmitted to the power take-off output shaft, and the power take-off is in a closed state. The utility model fully utilizes the structural characteristics of the manual power take-off transfer case and designs a compact power take-off structure, thereby reducing the overall dimension of the manual power take-off transfer case, changing the position of an output shaft of a power take-off device and meeting the market demand to the maximum extent.
Description
Technical Field
The utility model relates to a manual transfer case power take-off mechanism, and belongs to the technical field of automobile transfer case equipment.
Background
The automobile transfer case is used as a special part of a four-wheel drive automobile, can distribute power to four wheels, amplifies torque and improves the difficulty removing capability of the automobile. Like four-wheel drive vehicles that need great power to support such as fire engine, trucking mixer, waste classification car, generally all need power takeoff mechanism, because independent power takeoff structure is complicated, and overall dimension is bigger than a definite time, can not satisfy the installation requirement of auto factory, so design a transfer case from taking power takeoff mechanism, reduce installation and usage space.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a manual transfer case power taking mechanism which can reduce the overall dimension of the manual transfer case power taking, fully utilize the internal space of a transfer case and solve the problems in the background technology.
The novel technical scheme of the utility model is as follows:
a power take-off mechanism of a transfer case comprises an input shaft, high and low gear sleeves, high and low coupling teeth, a low-speed gear, a driving sprocket, 2-4 gear sleeves, four-wheel drive coupling teeth, a rear output shaft, a power take-off gear sleeve, a transmission chain, a front output shaft, power take-off coupling teeth, an intermediate shaft gear set and an input shaft gear; the input shaft and the rear output shaft are coaxially arranged, the intermediate shaft and the power take-off output shaft are coaxially arranged, and the input shaft and the rear output shaft, the intermediate shaft and the power take-off output shaft are sequentially arranged in parallel with the front output shaft; the input shaft is provided with an input shaft gear, a high-low gear sleeve, a high-low gear and a low-speed gear, the high-low gear and the low-speed gear are matched through the high-low gear sleeve, and the high-low gear is connected with the rear output shaft through a spline; the rear output shaft is provided with a driving chain wheel, a 2-4 gear sleeve and a four-wheel drive coupling gear, the driving chain wheel is matched with the four-wheel drive coupling gear through the 2-4 gear sleeve, and the driving chain wheel drives the front output shaft to rotate through a transmission chain; the middle shaft is provided with a middle shaft gear set, the middle shaft gear set comprises a first gear and a second gear, the first gear is in constant mesh with an input shaft gear on the input shaft, the second gear is in constant mesh with a low-speed gear on the input shaft, and the middle shaft is in a constant rotation state; the power take-off output shaft is provided with a power take-off coupling tooth and a power take-off tooth sleeve, the tail part of the intermediate shaft is connected with the power take-off coupling tooth through a spline, the power take-off tooth sleeve is matched with the power take-off coupling tooth, and the power of the input shaft is transmitted to the power take-off output shaft through the intermediate shaft.
The input shaft is connected with the high-low linkage teeth through the high-low gear sleeve, the high-low linkage teeth are connected with the rear output shaft through splines, and the rear output shaft rotates to realize a two-drive state of the transfer case.
The 2-4 gear sleeves move rightwards to be meshed with the four-wheel drive coupling teeth, the rear output shaft drives the driving chain wheel to rotate, and the driving chain wheel drives the front output shaft to rotate through the transmission chain, so that the four-wheel drive high-speed state is realized.
The high-low gear sleeve slides rightwards and is positioned in the middle of the high-low gear, and the rear output shaft and the front output shaft cannot rotate, so that the transfer case is in a neutral gear state.
The high-low gear sleeve slides rightwards to be connected with the low-speed gear, the first gear on the intermediate shaft is meshed with the input shaft gear on the input shaft, the input shaft drives the intermediate shaft to rotate, the second gear on the intermediate shaft drives the low-speed gear to rotate, the torque is amplified, the low-speed gear is connected with the high-low gear through the high-low gear sleeve to drive the rear output shaft to rotate, the rear output shaft drives the driving sprocket to rotate through the 2-4 gear sleeve, and the driving sprocket drives the front output shaft to rotate through the transmission chain, so that the four-wheel drive low-speed state is realized.
The power take-off gear sleeve moves leftwards until the internal spline is completely meshed with the external spline of the power take-off coupling gear, the power of the input shaft is transmitted to the power take-off output shaft, and the power take-off is in an open state; the power take-off gear sleeve moves rightwards until the internal spline is completely separated from the external spline of the power take-off coupling gear, the power of the input shaft cannot be transmitted to the power take-off output shaft, and the power take-off is in a closed state at the moment.
The transfer case housing portion includes: the front cover is connected with the front shell, the front shell is connected with the middle shell, the middle shell is connected with the rear shell, and the rear shell is connected with the rear cover. The input shaft and the intermediate shaft are arranged on the front shell, the rear output shaft and the power take-off output shaft are arranged on the rear shell, the front output shaft is arranged on the intermediate shell, the appearance structure is compact, and the size of the shell is reduced.
The utility model has the beneficial effects that: the structure characteristics of the manual power take-off are fully utilized, and a compact power take-off structure is designed, so that the overall dimension of the manual power take-off power.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
in the figure: the power take-off mechanism comprises an input shaft 1, a front cover 2, a front shell 3, a high-low gear sleeve 4, a high-low gear coupling 5, a low-speed gear 6, a driving sprocket 7, a 2-4 gear sleeve 8, a four-wheel drive gear coupling 9, a rear shell 10, a rear output shaft 11, a power take-off output shaft 12, a rear cover 13, a power take-off gear sleeve 14, a transmission chain 15, a front output shaft 16, a middle shell 17, a power take-off gear coupling 18, a middle shaft 19, a middle shaft gear 20, a first gear 201, a second gear 202 and an input shaft gear 21.
Detailed Description
The utility model will now be further illustrated by way of example with reference to the accompanying drawings.
A power take-off mechanism of a transfer case comprises an input shaft 1, a high-low gear sleeve 4, a high-low coupling gear 5, a low-speed gear 6, a driving sprocket 7, 2-4 gear sleeves 8, a four-wheel drive coupling gear 9, a rear output shaft 11, a power take-off output shaft 12, a power take-off gear sleeve 14, a transmission chain 15, a front output shaft 16, a power take-off coupling gear 18, an intermediate shaft 19, an intermediate shaft gear set 20 and an input shaft gear 21; the input shaft 1 and the rear output shaft 11 are coaxially arranged, the intermediate shaft 19 and the power take-off output shaft 12 are coaxially arranged, and the input shaft 1 and the rear output shaft 11, the intermediate shaft 19 and the power take-off output shaft 12 are sequentially arranged in parallel with the front output shaft 16; the input shaft 1 is provided with an input shaft gear 21, a high-low gear sleeve 4, a high-low gear 5 and a low-speed gear 6, the high-low gear 5 and the low-speed gear 6 are matched through the high-low gear sleeve 4, and the high-low gear 5 is connected with the rear output shaft 11 through a spline; the rear output shaft 11 is provided with a driving sprocket 7, a 2-4 gear sleeve 8 and a four-wheel drive coupling gear 9, the driving sprocket 7 is matched with the four-wheel drive coupling gear 9 through the 2-4 gear sleeve 8, and the driving sprocket 7 drives a front output shaft 16 to rotate through a transmission chain 15; an intermediate shaft gear set 20 is arranged on the intermediate shaft 19, the intermediate shaft gear set 20 comprises a first gear 201 and a second gear 202, the first gear 201 is in constant mesh with an input shaft gear 21 on the input shaft 1, and the second gear 202 is in constant mesh with a low-speed gear 6 on the input shaft 1; the power take-off output shaft 12 is provided with a power take-off coupling tooth 18 and a power take-off tooth sleeve 14, the tail of the intermediate shaft 19 is connected with the power take-off coupling tooth 18 through a spline, the power take-off tooth sleeve 14 is matched with the power take-off coupling tooth 18, and the power of the input shaft 1 is transmitted to the power take-off output shaft 12 through the intermediate shaft 19.
The input shaft 1 is connected with the high-low linkage teeth 5 through the high-low gear sleeve 4, the high-low linkage teeth 5 are connected with the rear output shaft 11 through splines, and the rear output shaft 11 rotates to achieve a two-drive state of the transfer case.
The 2-4 gear sleeve 8 moves rightwards and is meshed with the four-wheel drive coupling gear 9, the rear output shaft 11 drives the driving chain wheel 7 to rotate, and the driving chain wheel 7 drives the front output shaft 16 to rotate through the transmission chain 15, so that the four-wheel drive high-speed state is realized.
The high-low gear sleeve 4 slides rightwards and is positioned in the middle of the high-low gear coupling 5, and the rear output shaft 11 and the front output shaft 16 cannot rotate, so that the transfer case is in a neutral gear state.
The high-low gear sleeve 4 slides rightwards to be connected with the low-speed gear 6, the first gear 201 on the intermediate shaft 19 is meshed with the input shaft gear 21 on the input shaft 1, the input shaft 1 drives the intermediate shaft 19 to rotate, the second gear 202 on the intermediate shaft 19 drives the low-speed gear 6 to rotate, the torque is amplified, the low-speed gear 6 is connected with the high-low gear 5 through the high-low gear sleeve 4 to drive the rear output shaft 11 to rotate, the rear output shaft 11 drives the driving sprocket 7 to rotate through the 2-4 gear sleeve 8, and the driving sprocket 7 drives the front output shaft 16 to rotate through the transmission chain 15, so that the four-wheel drive low-speed state is realized.
The power take-off gear sleeve 14 moves leftwards until the internal spline is completely meshed with the external spline of the power take-off coupling gear 18, the power of the input shaft 1 is transmitted to the power take-off output shaft 12, and the power take-off is in an open state; the power take-off gear sleeve 14 moves rightwards until the internal spline is completely separated from the external spline of the power take-off coupling 18, the power of the input shaft 1 cannot be transmitted to the power take-off output shaft 12, and the power take-off is in a closed state.
Referring to the attached figure 1, the transfer case with the power take-off mechanism comprises an input shaft 1, a front cover 2, a front shell 3, a high-low gear sleeve 4, a high-low gear 5, a low-speed gear 6, a driving sprocket 7, 2-4 gear sleeves 8, four-drive gear teeth 9, a rear shell 10, a rear output shaft 11, a power take-off output shaft 12, a rear cover 13, a power take-off gear sleeve 14, a transmission chain 15, a front output shaft 16, a middle shell 17, power take-off gear teeth 18, a middle shaft 19, a middle shaft gear set 20 and an input shaft gear 21.
The housing portion includes: the front cover 2, the front casing 3, middle casing 17, back casing 10 and back lid 13, wherein front cover 2 links to each other with front casing 3, and front casing 3 links to each other with middle casing 17, and middle casing 17 links to each other with back casing 10, and back casing 10 links to each other with back lid 13. The input shaft 1 and the intermediate shaft 19 are arranged on the front shell, the rear output shaft 11 and the power take-off output shaft 12 are arranged on the rear shell, and the front output shaft is arranged on the intermediate shell, so that the appearance structure is compact.
Power transmission:
during two drives, the input shaft 1 is connected with the high-low linkage teeth 5 through the high-low gear sleeve 4, the high-low linkage teeth 5 are connected with the rear output shaft 11 through splines, and the rear output shaft 11 rotates.
When the four-wheel drive is high, the 2-4 gear sleeve 8 moves rightwards and is meshed with the four-wheel drive coupling gear 9, the rear output shaft 11 drives the driving chain wheel 7 to rotate, and the driving chain wheel 7 drives the front output shaft 16 to rotate through the transmission chain 15, so that the four-wheel drive is high.
When in neutral gear, the high-low gear sleeve 4 slides rightwards and is positioned in the middle part of the high-low gear 5, and the rear output shaft 11 and the front output shaft 16 cannot rotate.
When the four-wheel drive is in a low speed state, the high-low gear sleeve 4 slides rightwards to be connected with the low-speed gear 6, the first gear 201 on the intermediate shaft 19 is meshed with the input shaft gear 21 on the input shaft 1, the input shaft 1 drives the intermediate shaft 19 to rotate, the second gear 202 on the intermediate shaft 19 drives the low-speed gear 6 to rotate, the torque is amplified, the low-speed gear 6 is connected with the high-low gear 5 through the high-low gear sleeve 4 to drive the rear output shaft 11 to rotate, the rear output shaft 11 drives the driving sprocket 7 to rotate through the 2-4 gear sleeve 8, and the driving sprocket 7 drives the front output shaft 16 to rotate through the transmission chain 15, so that the four-wheel drive low speed state is realized.
Under four states of two-wheel drive, four-wheel drive high speed, neutral gear and four-wheel drive low speed of the transfer case, the input shaft 1 is normally engaged with the intermediate shaft 19, the intermediate shaft 19 is in a normally rotating state, the tail part of the intermediate shaft 19 is connected with the power take-off coupling teeth 18 through splines, the power take-off gear sleeve 14 moves leftwards until the internal splines are completely engaged with the external splines of the power take-off coupling teeth 18, the power of the input shaft 1 is transmitted to the power take-off output shaft 12, and at the moment, the power take-off is in an open state. The power take-off gear sleeve 14 moves rightwards until the internal spline is completely separated from the external spline of the power take-off coupling 18, the power of the input shaft 1 cannot be transmitted to the power take-off output shaft 12, and the power take-off is in a closed state.
Claims (4)
1. A power take-off mechanism of a transfer case is characterized in that: the transmission mechanism comprises an input shaft (1), a high-low gear sleeve (4), a high-low gear (5), a low-speed gear (6), a driving sprocket (7), a 2-4 gear sleeve (8), a four-wheel drive gear (9), a rear output shaft (11), a power take-off output shaft (12), a power take-off gear sleeve (14), a transmission chain (15), a front output shaft (16), a power take-off gear (18), an intermediate shaft (19), an intermediate shaft gear set (20) and an input shaft gear (21); the input shaft (1) and the rear output shaft (11) are coaxially arranged, the intermediate shaft (19) and the power take-off output shaft (12) are coaxially arranged, and the input shaft (1), the rear output shaft (11), the intermediate shaft (19), the power take-off output shaft (12) and the front output shaft (16) are sequentially arranged in parallel; the input shaft (1) is provided with an input shaft gear (21), a high-low gear sleeve (4), a high-low gear coupling (5) and a low-speed gear (6), the high-low gear coupling (5) is matched with the low-speed gear (6) through the high-low gear sleeve (4), and the high-low gear coupling (5) is connected with the rear output shaft (11) through a spline; a driving chain wheel (7), a 2-4 gear sleeve (8) and a four-wheel drive coupling gear (9) are arranged on the rear output shaft (11), the driving chain wheel (7) is matched with the four-wheel drive coupling gear (9) through the 2-4 gear sleeve (8), and the driving chain wheel (7) drives the front output shaft (16) to rotate through a transmission chain (15); an intermediate shaft gear set (20) is arranged on the intermediate shaft (19), the intermediate shaft gear set (20) comprises a first gear (201) and a second gear (202), the first gear (201) is normally meshed with an input shaft gear (21) on the input shaft (1), and the second gear (202) is normally meshed with a low-speed gear (6) on the input shaft (1); the power take-off output shaft (12) is provided with a power take-off coupling tooth (18) and a power take-off tooth sleeve (14), the tail of the intermediate shaft (19) is connected with the power take-off coupling tooth (18) through a spline, the power take-off tooth sleeve (14) is matched with the power take-off coupling tooth (18), and the power of the input shaft (1) is transmitted to the power take-off output shaft (12) through the intermediate shaft (19).
2. A transfer case power take off mechanism as defined in claim 1, wherein: the input shaft (1) is connected with the high-low linkage teeth (5) through the high-low gear sleeve (4), the high-low linkage teeth (5) are connected with the rear output shaft (11) through splines, and the rear output shaft (11) rotates to realize a two-drive state of the transfer case.
3. A transfer case power take off mechanism as defined in claim 1, wherein: the 2-4 gear sleeves (8) move rightwards and are meshed with the four-wheel drive coupling teeth (9), the rear output shaft (11) drives the driving chain wheel (7) to rotate, the driving chain wheel (7) drives the front output shaft (16) to rotate through the transmission chain (15), and the four-wheel drive high-speed state is achieved.
4. A transfer case power take off mechanism as defined in claim 1, wherein: the high-low gear sleeve (4) slides rightwards and is connected with the low-speed gear (6), a first gear (201) on the intermediate shaft (19) is meshed with an input shaft gear (21) on the input shaft (1), the input shaft (1) drives the intermediate shaft (19) to rotate, a second gear (202) on the intermediate shaft (19) drives the low-speed gear (6) to rotate, torque is amplified, the low-speed gear (6) is connected with the high-low gear (5) through the high-low gear sleeve (4) to drive the rear output shaft (11) to rotate, the rear output shaft (11) drives the driving sprocket (7) to rotate through the 2-4 gear sleeve (8), and the driving sprocket (7) drives the front output shaft (16) to rotate through the transmission chain (15), so that a four-drive low-speed state is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121309733.5U CN215360926U (en) | 2021-06-11 | 2021-06-11 | Manual power take-off mechanism of transfer case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121309733.5U CN215360926U (en) | 2021-06-11 | 2021-06-11 | Manual power take-off mechanism of transfer case |
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| Publication Number | Publication Date |
|---|---|
| CN215360926U true CN215360926U (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121309733.5U Active CN215360926U (en) | 2021-06-11 | 2021-06-11 | Manual power take-off mechanism of transfer case |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417984A (en) * | 2021-06-11 | 2021-09-21 | 唐山通力齿轮有限公司 | Manual transfer case power take-off mechanism and method |
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2021
- 2021-06-11 CN CN202121309733.5U patent/CN215360926U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417984A (en) * | 2021-06-11 | 2021-09-21 | 唐山通力齿轮有限公司 | Manual transfer case power take-off mechanism and method |
| CN113417984B (en) * | 2021-06-11 | 2022-06-28 | 唐山通力齿轮有限公司 | Manual transfer case power take-off mechanism and method |
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