KR860007494A - Vehicle gear assembly for torque transmission for 2 or 4 wheels - Google Patents

Abstract

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Description

Vehicle gear assembly for torque transmission for 2 or 4 wheels

Since this is an open matter, no full text was included.

1 is a top plan view of parts of a four-wheel drive apparatus for a vehicle including the gear transmission unit of the present invention.

2 is an enlarged side view of the rear output end of the case for the four-wheel gear transmission unit of FIG.

3 is a cross-sectional view of the transfer case of FIG. 2 taken along line 3-3, showing a five gear assembly including a synchronizer positioned between the input and output gear sets.

FIG. 4 is a cross-sectional view of the transmission case shown in FIG. 2 as a view of the gear assembly cut along the 4-4 line in which the moving rod and the moving fork are engaged with the clutch collar to cause deformation of the drive form of the vehicle.

＊ Explanation of symbols on main parts of drawing

10: case 20: input shaft

21: rear output shaft portion 22: front output shaft portion

23: middle shaft portion 25: synchronization device

26: blocking pin 27: locking ring

28: groove 29: clutching ring

30: rear output shaft 32: front output shaft

40: input gear 45: low gear

47: intermediate shaft 50: rear output gear

55: middle gear 57: front output gear

60: outer color 65: inner color

69: pearl 80: moving rod

81: poppet ball 82: spring

90: shift pork 91: upper arm

92: lower arm 93: fork hub

96: Washer

Claims (18)

A gear assembly for selectively converting a power driven vehicle into a two-wheel or four-wheel drive type, the gear assembly case, an input shaft for supplying driving power to the assembly, a first output shaft for driving a pair of wheels, and a second A first gear set comprising a second output shaft for driving a pair of wheels, three gears that are always in engagement with the first gear set, wherein the three gears include a first output gear freely rotating to the first output shaft; An intermediate gear meshed with a first output gear, an intermediate shaft rotatably mounted to the intermediate gear, a second output gear for the second wheel fixed to the second output shaft and driven in engagement with the intermediate gear, the first pair of Means for selectively connecting said input shaft to directly drive said first output shaft to drive a wheel; said first output gear freely rotatable by direct rotation concentrically with said first output shaft A synchronizing device adapted to frictionally connect with the input shaft surface, and means for selectively operating the synchronizing device to frictionally couple the synchronizing device with the first output gear to engage a rotational speed between the first output gear and the first output. Means for electrode connecting the first output gear and the first output shaft to rotate together at such speed coupling and movement control means for selectively connecting and operating the synchronizer in the assembly in accordance with the desired mode of operation, wherein And a movement control means that drive power of an input shaft can be selectively supplied to only the first pair of wheels or to both pairs of wheels. The vehicle gear assembly according to claim 1, wherein said movement control means comprises a single moving fork selectively connected. 2. The apparatus of claim 1, wherein said means for directly connecting said input shaft with said first output comprises a first annular collar comprising an internal spline, wherein said input shaft and said first output shaft that are coaxially straight are internal splines of said collar. And a coupling external spline that is slidably engageable so that the collar can be selectively moved to one of the shafts and connects the shafts. 4. The apparatus of claim 3, wherein said means for connecting said input shaft to said first output shaft comprises a second annular color concentric to the outside of said first color, wherein said first color is connected to said shaft within said hole. And a locking member locking the first collar to the output shaft, the locking collar being held in position so that the first collar moves laterally past the first collar to lock between the shafts, and the second collar. And the inner groove for receiving the locking member to disengage the locking relationship between the axes when it is moved past the locking member to the position of the inner groove. 5. The vehicle gear assembly of claim 4, wherein the optional actuating means for the synchronizer comprises a ring member connected to the second collar and movable laterally with the second collar. 6. The apparatus of claim 5, wherein the means for connecting the first output gear and the first output shaft to an electrode comprises a spline in the second collar and a coupling spline in the first output gear hub. Is coupled to the coupling spline by the inner spline of the second collar when the movement to the side, and the positive connection between the first output gear and the first output shaft is powered by both wheels of the vehicle Vehicle gear assembly is formed to supply the. 2. The second gear set of claim 1, wherein the second gear set includes two gears that are always engaged, wherein the two gears are fixed to the input shaft and are always engaged with the input gear and are in mesh with the input gear and have a diameter greater than that of the input gear. A low speed gear, said low speed gear being freely rotated on said intermediate shaft, said first gear being configured to selectively connect said low speed gear to rotate with said intermediate gear of said first gear set. And a drive power supplied to drive the two output shafts from the gear set to the second gear set is supplied at a rotation speed lower than the rotation speed of the input gear. 8. The vehicle gear assembly according to claim 7, wherein the intermediate gear is smaller in diameter than the low gear so that the rotation speed of the output shafts is lower than the rotation speed of the input shaft. 9. The vehicle gear assembly of claim 8, wherein the synchronizer is disposed in an assembly between the two gearsets. 10. The vibration tendency according to claim 9, wherein said synchronizer in operation is supported on one side in engagement with said first output gear, and an inner portion of said case is provided to guide both sides of said synchronizer. This minimizes vehicle gear assembly. 10. The vehicle gear assembly of claim 9, wherein the moving fork control means comprises a moving rod indexed in a different operating form than the assembly and a single actuating fork extending in the area between the gear sets. The vehicle gear assembly of claim 11, wherein the moving fork is mounted to the moving rod. The biasing direction of claim 11, wherein the movable rod is movable in the longitudinal direction relative to the fork, the fork being spring biased in one direction such that the bias direction is independent of the operating stress of the gear assembly sufficient to suppress the corresponding movement of the fork. The motion of the rod can be indexed in the opposite direction of the spring, and the spring is sized to provide an appropriate biasing force to move the fork to the position set by the movable rod when such a working stress of the gear assembly is sufficiently reduced. Vehicle gear assembly. 14. The movable rod of claim 13, wherein a series of side-by-side grooves are provided in the movable rod, each groove corresponding to a different position of the rod with respect to the angular actuation of the assembly, and a spring biased locking member corresponding to the selected actuated position. Positioned at least half-locked with each groove of the lock member, the spring biasing action of the locking member being sufficient to maintain the rod in the selected position against the opposing force acting on the movable rod by the spring biasing action on the fork. . A gear assembly for selectively converting a power driven vehicle into a two-wheel or four-wheel drive type, the gear assembly case, an input shaft for supplying driving power to the assembly, a first output shaft for driving a pair of wheels, and a second A first gear set comprising a second output shaft for driving a pair of wheels, three gears that are always in engagement with the first gear set, wherein the three gears comprise a first output gear mounted to the first output shaft; An intermediate gear meshed with an output gear and an intermediate shaft rotatably mounted to the output gear, a second output gear for the second wheel mounted to the second output shaft and driven in engagement with the intermediate gear, one of the output shafts A synchronizing device mounted coaxially with the input shaft side of the output gear and selectively frictionally driven, the output gear thereon rotatable about the output shaft, the output shafts An output gear fixed to the other shaft, means for frictionally engaging the one output gear to operate the synchronous device to engage a rotational speed between the output gear and the one output shaft on which the output gear is mounted, the output gear and one output shaft Means for positively connecting between the output gear and the one output shaft on which it is driven so that the input shaft is connected to the output shaft and through the synchronizer so that power can be selectively supplied to two or four wheels of the vehicle. A gear control means for selectively connecting to said one output gear of said set, consequently to three interlocking gears. 16. A second gear set as set forth in claim 15 wherein said synchronizer is mounted to rotate with said first output gear, said second gear set comprising two gears that are always in engagement with one gear fixed to said input shaft and rotating therewith. And the other gear is a low gear which is always engaged with the input gear and has a larger diameter than the input gear, and the low gear is freely rotatable in the intermediate shaft and rotates together with the intermediate gear of the third gear set. There is a means for selectively connecting said low gear, so that power is supplied to said third gear set at a rotational speed lower than that of said input shaft, said synchronizer being supported in said assembly between said gear sets, There is a single moving fork between the gearsets that actuates the synchronizer and changes the connection between the gears and the axes. , A hand-operated movement control rod for changing the position of the fork gear assembly with a hand-operated movement control rods for changing the connections through the assembly in accordance with the operation mode of the assembly is selected by the fixed position of the control rod. 17. The coaxial of claim 16, wherein said output means, said connecting means for positively connecting said one shaft on which it is mounted, and said means for connecting said input shaft to said one output shaft, are coaxially movable laterally with respect to each other while being interconnected. Gear assembly comprising collars. 18. The enterprise assembly of claim 17, wherein said means for connecting said low speed gear to rotate with an intermediate gear can be moved in line with an outer collar of said coaxial collars. ※ Note: The disclosure is based on the initial application.