CN107524789A - Transmission for vehicle - Google Patents

Abstract

Oil is provided between idler gear and jackshaft that offer can be lubricated needs according to the travel speed of vehicle, can reduce the transmission for vehicle for the oil mass for being stored in transmission case.In the transmission, form the input gear of low speed shift gear and idler gear is arranged at partition wall side, the input gear and idler gear for forming higher speed gear gear are arranged at side wall side.Oil deflector includes oily introduction part, oily passage portion and oily discharge unit, and oily introduction part is pressed in the top of the 1st oil groove and the 2nd oil groove along the direction of the wall of partition wall towards final stage driven gear opening.Oily passage portion extends in the top of the 2nd jackshaft from oily introduction part to the other end of the axis direction of the 2nd jackshaft, and oily discharge unit provides the oil that oily passage portion is directed to from oily introduction part to the 1st side wall side jackshaft bearing portion and the 2nd side wall side jackshaft bearing portion.

Description

Transmission for vehicle

Technical field

The present invention relates to transmission for vehicle.

Background technology

The speed changer of the vehicles such as automobile is equipped in order to be lubricated to the gear in transmission case, rotary shaft etc., with leading Oily device (Oil gutter) catches the oil taken up due to the rotation of rotary body, is provided to lubricant housings.

In the past, as the oil deflector for being arranged at speed changer, it is known that the oil deflector for example described in patent document 1.The Oil Guide Utensil has：1st oily capture unit, it catches the oil taken up due to the rotation of final stage driven gear；And the 1st oily path, it is from the 1st Oily capture unit extends to the export end of the axis direction end side of input shaft and output shaft.

Moreover, oil deflector has：2nd oily capture unit, the sidepiece of itself and the 1st oily capture unit and the 1st oily path are adjacent to, Catch the oil taken up due to the rotation for the middle reverse gear for being arranged at output shaft；And partition wall, it stands up the 1st oil Between capture unit and the 2nd oily capture unit, extend in the axial direction.

The oil deflector can be utilized due to the rotation of final stage driven gear in the case where the rotating speed of final stage driven gear declines The oil that takes up and due to the oil that middle reverse gear takes up, therefore can catch more oily and be provided to lubricant housings.

Prior art literature

Patent document

Patent document 1：JP 2013-108595 publications

The content of the invention

Problems to be solved by the invention

This existing transmission for vehicle either low vehicle speeds when when still running at high speed by final stage from Moving gear and middle reverse gear make oil stream enter oil deflector, and oil is provided to gear, the input for forming each shift gear from oil deflector Axle and output shaft.Therefore, oil is only located at leading for oil deflector from input shaft and output shaft derived from the export mouth of oil deflector The end for going out the axis direction of side is provided into each axle.

Thus, either low vehicle speeds when reversed gear tooth by final stage driven gear and centre when still running at high speed The rotation of wheel makes as far as possible more oil only be provided after the imports end of oil deflector flows to export end from the export end of oil deflector to input In each axle of axle and output shaft.

Also, in order to improve the lubricity in each axle of input shaft and output shaft, it is necessary to make more oil streams enter oil deflector Export end.The result is that, it is necessary to increase is stored in the oil mass of transmission case, the stirring resistance for the final stage driven gear being immersed in oil Power is possible to increase.

The present invention is conceived to problem as described above and completed, can be according to the traveling speed of vehicle its object is to provide Oil is provided between idler gear and jackshaft that degree is lubricated needs, the vehicle change for the oil mass for being stored in transmission case can be reduced Fast device.

The solution used to solve the problem

The transmission for vehicle of the present invention possesses：Transmission case, its have the partition wall relative with internal combustion engine and with it is upper The relative side wall of partition wall is stated, in bottom storage oil；Input shaft, it has the oily path extended in the axial direction, is accommodated in Above-mentioned transmission case, the power of above-mentioned internal combustion engine are passed to above-mentioned input shaft；The input gear of low speed shift gear, it is set In above-mentioned input shaft；The input gear of higher speed gear gear, it is arranged at above-mentioned input shaft, the gear ratio of above-mentioned higher speed gear gear Less than the gear ratio of above-mentioned low speed shift gear；Jackshaft, it is accommodated in above-mentioned transmission case, has what is extended in the axial direction Oily path；The idler gear of low speed shift gear, it is arranged at above-mentioned jackshaft, the input gear with above-mentioned low speed shift gear Engagement；The idler gear of higher speed gear gear, it is arranged at above-mentioned jackshaft, is nibbled with the input gear of above-mentioned higher speed gear gear Close；And final stage drive gear, it is arranged at above-mentioned jackshaft, is engaged with the input gear of above-mentioned higher speed gear gear；Separate Wall side jackshaft bearing portion, it is arranged at above-mentioned partition wall, supports the one end of the axis direction of above-mentioned jackshaft and makes the one end Portion rotates freely；Side wall side jackshaft bearing portion, it is arranged at above-mentioned side wall, supports the other end of the axis direction of above-mentioned jackshaft Portion and rotate freely the other end；Differential gear, it is accommodated in above-mentioned transmission case, has and above-mentioned final stage drive gear Engagement and bottom are immersed in the final stage driven gear in oil, wheel passing power to the left and right；And oil deflector, its be imported into due to The oil that the rotation of above-mentioned final stage driven gear takes up, above-mentioned transmission for vehicle be characterised by, above-mentioned low speed shift gear Input gear and the idler gear of above-mentioned low speed shift gear are arranged at above-mentioned partition wall side, the input of above-mentioned higher speed gear gear The idler gear of gear and above-mentioned higher speed gear gear is arranged at above-mentioned side wall side, in the above-mentioned partition wall in face of above-mentioned side wall Formed with oil groove in wall, above-mentioned oil groove is concavity, from the side surface side relative with above-mentioned final stage driven gear in above-mentioned wall Position extends to above-mentioned partition wall side jackshaft bearing portion, and the above-mentioned oily communication with above-mentioned jackshaft, above-mentioned oil deflector includes Oily introduction part, oily passage portion and oily discharge unit, above-mentioned oily introduction part press the wall along above-mentioned partition wall in the top of above-mentioned oil groove The direction in face is towards above-mentioned final stage driven gear opening, and above-mentioned oily passage portion is in the top of above-mentioned jackshaft from above-mentioned oily introduction part Extend to the other end of the axis direction of above-mentioned jackshaft, above-mentioned oily discharge unit will be directed to above-mentioned oil from above-mentioned oily introduction part The oil of passage portion, which provides, arrives above-mentioned side wall side jackshaft bearing portion.

Invention effect

So, can be according to the travel speed of vehicle to the idler gear that needs lubricate and centre according to the above-mentioned present invention Oil is provided between axle, the oil mass for being stored in transmission case can be reduced.

Brief description of the drawings

Fig. 1 is viewed from above the stereogram of the transmission for vehicle of the 1st embodiment of the present invention.

Fig. 2 is the top view of the transmission for vehicle of the 1st embodiment of the present invention.

Fig. 3 is the vehicle-use transmission from the 1st embodiment of the other end side of the axis direction of input shaft viewing present invention The side view during inside of device.

Figure when Fig. 4 is the inside for the transmission for vehicle that the 1st embodiment of the present invention is watched from rear.

Fig. 5 is the side view from the clutch outer member during viewing of Fig. 4 V-V directions.

Fig. 6 is the side view from the transmission case during viewing of Fig. 4 VI-VI directions.

Fig. 7 is the expanded view of the transmission for vehicle of the 1st embodiment of the present invention.

Fig. 8 is the transmission for vehicle for the 1st embodiment of the present invention, and from rear, viewing possesses variform Oil Guide The figure during inside of the speed changer of device.

Fig. 9 is the side view from the clutch outer member during viewing of Fig. 8 VIII-VIII directions.

Figure 10 is the expanded view of the transmission for vehicle of the 2nd embodiment of the present invention.

Description of reference numerals

1：Engine (internal combustion engine)；2：Speed changer；3：Transmission case；4A：Partition wall；4d：Wall (wall of partition wall)； 4e：Wall side；5A：Side wall；8：Differential gear；9：Input shaft；9A：The input gear of 1 speed gear be (low speed shift gear Input gear)；9B：The input gear (input gear of low speed shift gear) of 2 speed gear；9C：The input gear of 5 speed gear (input gear of higher speed gear gear)；9D：The input gear (input gear of higher speed gear gear) of 3 speed gear；9E：4 speed- The input gear (input gear of higher speed gear gear) of 6 speed gear；9b：The other end (end of input gear)；10：1st Jackshaft (jackshaft)；10A：The idler gear (idler gear of low speed shift gear) of 1 speed gear；10B：In 2 speed gear Between gear (idler gear of low speed shift gear)；10C：The idler gear (idler gear of higher speed gear gear) of 3 speed gear； 10D：The idler gear (idler gear of higher speed gear gear) of 4 speed gear；10E：Reverse gear dedicated gear (low speed shift gear Idler gear)；10F：Final stage drive gear；10a：One end (one end of the axis direction of jackshaft, the axle of the 1st jackshaft The one end in line direction)；10b：The other end (the other end of the axis direction of jackshaft)；The axis direction of 2nd jackshaft The other end)；10L (the 1st oily path)；11：2nd jackshaft (jackshaft)；11A：Reverse gear is (in low speed shift gear Between gear)；11B：The idler gear (idler gear of higher speed gear gear) of 5 speed gear；11C：(higher speed gear is kept off idler gear The idler gear of idler gear, highest speed gear)；11F：Final stage drive gear；11a：One end (the axis side of jackshaft To one end, the 2nd jackshaft axis direction one end)；11b：The other end (other end of the axis direction of jackshaft Portion, the 2nd jackshaft axis direction the other end)；11L：Oily path (the 2nd oily path)；12B：Side wall side input shaft bearing portion； 13A：Partition wall side jackshaft bearing portion (the 1st partition wall side input shaft bearing portion)；13B：Side wall side jackshaft bearing portion (the 1st side wall side Input shaft bearing portion)；14A：Partition wall side jackshaft bearing portion (the 2nd partition wall side input shaft bearing portion)；14B：Side wall side intermediate bearing Portion's (the 2nd side wall side input shaft bearing portion)；31：Final stage driven gear；31a：Bottom (bottom of final stage driven gear)；36A：1st Oil groove；36B：2nd oil groove；38：Connectivity slot (access)；42L、42R：Wheel；51：Oil deflector；52：Oily introduction part；53：Oil is logical Road portion；53A：Upstream side oil passage portion；53B：Medial side oil passage portion；53C：Downstream oil passage portion；53D：Tributary circuit portion； 53a：Downstream (downstream of upstream side oil passage portion)；53b：Downstream (downstream of medial side oil passage portion)；54：Oil row Go out portion；54A：1st oily discharge unit；54B：2nd oily discharge unit；71：Packing ring (the 1st limiting part)；73：Jump ring (the 2nd limiting unit Part)；75：Dividing wall (dividing wall, the 1st dividing wall)；75m：Embedded hole (the 1st installation portion)；76：Dividing wall (dividing wall, the 2nd every From wall)；76m：Embedded hole (the 2nd installation portion).

Embodiment

(embodiment)

The transmission for vehicle of one embodiment of the present invention possesses：Transmission case, it has point relative with internal combustion engine Next door and the side wall relative with partition wall, in bottom storage oil；Input shaft, there is the oil extended in the axial direction to lead to for it Road, is accommodated in transmission case, and the power of internal combustion engine is passed to input shaft；The input gear of low speed shift gear, it is arranged at Input shaft；The input gear of higher speed gear gear, it is arranged at input shaft, and the gear ratio of higher speed gear gear is less than low speed shift gear Gear ratio；Jackshaft, it is accommodated in transmission case, has the oily path extended in the axial direction；Low speed shift gear Idler gear, it is arranged at jackshaft, is engaged with the input gear of low speed shift gear；The idler gear of higher speed gear gear, It is arranged at jackshaft, is engaged with the input gear of higher speed gear gear；And final stage drive gear, it is arranged at jackshaft, Engaged with the input gear of higher speed gear gear；Partition wall side jackshaft bearing portion, it is arranged at partition wall, supports the axle of jackshaft The one end in line direction and rotate freely the one end；Side wall side jackshaft bearing portion, it is arranged at side wall, supports jackshaft The other end of axis direction and rotate freely the other end；Differential gear, it is accommodated in transmission case, has and final stage Drive gear engagement and bottom are immersed in the final stage driven gear in oil, wheel passing power to the left and right；And oil deflector, its quilt Import the oil taken up due to the rotation of final stage driven gear, in above-mentioned transmission for vehicle, the input tooth of low speed shift gear Wheel and the idler gear of low speed shift gear are arranged at partition wall side, and input gear and the higher speed gear gear of higher speed gear gear are used Idler gear be arranged at side wall side, formed with oil groove in the wall in face of the partition wall of side wall, above-mentioned oil groove is concavity, from The wall side relative with final stage driven gear in wall extends to partition wall side jackshaft bearing portion, leads to the oil of jackshaft Road is connected, and oil deflector includes oily introduction part, oily passage portion and oily discharge unit, and oily introduction part is pressed along partition wall in the top of oil groove Wall direction towards final stage driven gear opening, oily passage portion is in axle of the top of jackshaft from oily introduction part to jackshaft The other end extension in line direction, oily discharge unit provide the oil that oily passage portion is directed to from oily introduction part to side wall side jackshaft Bearing portion.

Thus, oil is provided between the idler gear and jackshaft that can be lubricated according to the travel speed of vehicle needs, can be dropped The low oil mass for being stored in transmission case.

[embodiment]

Hereinafter, using the embodiment of brief description of the drawings transmission for vehicle of the invention.

(the 1st embodiment)

Fig. 1 to Fig. 9 is the figure for the transmission for vehicle for representing the 1st embodiment of the present invention.In Fig. 1 to Fig. 9, upper bottom left Right fore-and-aft direction is from the direction that the driver for taking vehicle watches.

First, illustrate to form.

In Fig. 1, it is provided with the engine room (not shown) of vehicle as the engine 1 of internal combustion engine and with starting The speed changer 2 that machine 1 links.The output of engine 1 is delivered to the car of left and right from speed changer 2 via drive shaft 41L, 41R of left and right Take turns 42L, 42R (reference picture 7).

In Fig. 1, Fig. 2, speed changer 2 possesses transmission case 3, and transmission case 3 possesses clutch outer member 4 and transmission case 5.

In fig. 2, the face relative with the side of engine 1 of clutch outer member 4 is opening.

Formed with partition wall 4A in the face relative with transmission case 5 of clutch outer member 4, partition wall 4A is on overall width direction It is relative with engine 1.

The inside of transmission case 3 is isolated into the space of the inside of clutch outer member 4 and the inside of transmission case 5 by partition wall 4A Space.Transmission case 5 has side wall 5A relative with partition wall 4A on overall width direction, has oily O in the bottom storage of transmission case 5 (reference picture 3).

In Fig. 2, Fig. 7, clutch 6 is accommodated with the inside of clutch outer member 4.

Gear 7 and differential gear 8 are accommodated with the inside of transmission case 5.

The power of engine 1 is input to gear 7 by speed changer 2 via clutch 6, passes through shifting shaft (not shown) It is operated in gear 7 and carries out speed change, the rotation after speed change is delivered to drive shaft 41L, 41R by differential gear 8.

In Fig. 1, Fig. 7, gear 7 possesses input shaft 9, the 1st jackshaft 10, the 2nd jackshaft 11, as shown in fig. 7, Input shaft 9, the 1st jackshaft 10, the 2nd jackshaft 11 formed with the oily path 9L, 10L extended on respective axis direction, 11L。

In the figure 7, input shaft 9, the 1st jackshaft 10, the 2nd jackshaft 11 formed with the oily path 9R of respective radiation, 10R、11R.Oily path 9R, 10R, 11R are radiated by oily path 9L, 10L, 11L and input shaft 9, the 1st jackshaft 10, the 2nd jackshaft 11 ft connection.

In Fig. 5, Fig. 7, partition wall 4A has partition wall side input shaft bearing portion 12A, the 1st partition wall side jackshaft bearing portion 13A and the 2nd partition wall side jackshaft bearing portion 14A.1st partition wall side jackshaft bearing portion 13A is formed at partition wall side input shaft bearing Portion 12A lower section, the 2nd partition wall side jackshaft bearing portion 14A are formed at the 1st partition wall side jackshaft bearing portion 13A top.

In Fig. 6, Fig. 7, side wall 5A has side wall side input shaft bearing portion 12B, the 1st side wall side jackshaft bearing portion 13B and the 2nd Side wall side jackshaft bearing portion 14B.Side wall side jackshaft bearing portion 13B is formed at side wall side input shaft bearing portion 12B lower section, the 2nd side Wall side jackshaft bearing portion 14B is formed at the 1st side wall side jackshaft bearing portion 13B top.

In Fig. 5, Fig. 7, partition wall side input shaft bearing portion 12A has opening 12a.One end of the axis direction of input shaft 9 Portion 9a links by opening 12a insertion clutch outer members 4 with clutch 6, and the power of engine 1 is delivered to via clutch 6 Input shaft 9.

In the figure 7, the one end 9a of the axis direction of input shaft 9 is supported in partition wall side input shaft bearing via bearing 15A Portion 12A is simultaneously rotated freely, and the other end 9b of the axis direction of input shaft 9 is supported in side wall side input shaft bearing via bearing 15B Portion 12B is simultaneously rotated freely.The other end 9b of the axis direction of the input shaft 9 of the present embodiment forms the axle of the input shaft of the present invention The end in line direction.

The one end 10a of the axis direction of 1st jackshaft 10 is supported in the 1st partition wall side intermediate bearing via bearing 16A Portion 13A is simultaneously rotated freely, and the other end 10b of the axis direction of the 1st jackshaft 10 is supported in the 1st side wall side via bearing 16B Jackshaft bearing portion 13B is simultaneously rotated freely.

The one end 11a of the axis direction of 2nd jackshaft 11 is supported in the 2nd partition wall side intermediate bearing via bearing 17A Portion 14A is simultaneously rotated freely, and the other end 11b of the axis direction of the 2nd jackshaft 11 is supported in the 2nd side wall side via bearing 17B Jackshaft bearing portion 14B is simultaneously rotated freely.

1st jackshaft 10 of the present embodiment is arranged at the lower section of input shaft 9, and the 2nd jackshaft 11 is arranged at the 1st jackshaft 10 Top.1st jackshaft 10 of the present embodiment forms the jackshaft and the 1st jackshaft of the present invention, and jackshaft 11 forms the present invention Jackshaft and the 2nd jackshaft.

The 1st partition wall side jackshaft bearing portion 13A of the present embodiment forms the partition wall side jackshaft bearing portion and the 1st of the present invention Partition wall side jackshaft bearing portion, the 1st side wall side jackshaft bearing portion 13B form side wall side jackshaft bearing portion and the 1st side of the present invention Wall side jackshaft bearing portion.

The 2nd partition wall side jackshaft bearing portion 14A of the present embodiment forms the partition wall side jackshaft bearing portion and the 2nd of the present invention Partition wall side jackshaft bearing portion, the 2nd side wall side jackshaft bearing portion 14B form side wall side jackshaft bearing portion and the 2nd side of the present invention Wall side jackshaft bearing portion.The side wall side input shaft bearing portion 12B of the present embodiment forms the side wall side input shaft bearing portion of the present invention.

In Fig. 2, Fig. 7, input shaft 9 is provided with the input gear 9A of 1 speed gear, the input gear 9B of 2 speed gear, 5 The input gear 9C of speed gear, the input gear 9D of 3 speed gear and 4 fast -6 speed gear input gear 9E.

The input gear 9A of 1 speed gear and the input gear 9B of 2 speed gear are integrally formed with input shaft 9,5 speed gear Input gear 9C, the input gear 9D of 3 speed gear and the input gear 9E of 4 fast -6 speed gear are chimeric with the spline of input shaft 9 and not It can be rotated relative to input shaft 9.

The input gear 9A of 1 speed gear, the input gear 9B of 2 speed gear, the input gear 9C of 5 speed gear, 3 speed gear The input gear 9E of fast -6 speed gear of input gear 9D and 4 is on the axis direction of input shaft 9 from partition wall 4A to side wall 5A by 1 The input gear 9A of speed gear, the input gear 9B of 2 speed gear, the input gear 9C of 5 speed gear, the input gear of 3 speed gear The input gear 9E of fast -6 speed gear of 9D and 4 order is set.

In Fig. 4, Fig. 7, the 1st jackshaft 10 be provided with the idler gear 10A of 1 speed gear, 2 speed gear idler gear 10B, the idler gear 10C of 3 speed gear, the idler gear 10D of 4 speed gear.

In the figure 7, the idler gear 10A of 1 speed gear, the idler gear 10B of 2 speed gear, the idler gear of 3 speed gear 10C, the idler gear 10D of 4 speed gear are arranged with respect to the 1st jackshaft 10 and rotated freely, and respectively with forming same speed change Fast -6 speed gear of the input gear 9A of 1 speed gear, the input gear 9B of 2 speed gear, the input gear 9D of 3 speed gear and 4 of gear are used Input gear 9E engagement.

The idler gear 10A of 1 speed gear, the idler gear 10B of 2 speed gear, the idler gear 10C of 3 speed gear, 4 speed gear Idler gears of the idler gear 10D on the axis direction of the 1st jackshaft 10 from partition wall 4A to side wall 5A by 1 speed gear 10A, the idler gear 10B of 2 speed gear, the idler gear 10C of 3 speed gear, 4 speed gear idler gear 10D order set.

Final stage drive gear 10F is fixed with the 1st jackshaft 10, final stage drive gear 10F is arranged at the centre of 1 speed gear Between gear 10A and partition wall 4A.

The idler gear 10A of 1 speed gear is provided with the dedicated gear 10E that reverses gear.The dedicated gear 10E that reverses gear is installed on 1 speed The idler gear 10A of gear, integratedly rotated with the idler gear 10A of 1 speed gear.2nd jackshaft 11 is provided with retreating gear Reverse gear 11A, the idler gear 11B of 5 speed gear, the idler gear 11C of 6 speed gear.

Reverse gear 11A, the idler gear 11B of 5 speed gear, the idler gear 11C of 6 speed gear are arranged with respect to the 2nd Jackshaft 11 rotates freely, and the dedicated gear 10E that reverses gear with the same shift gear of composition, the input gear 9C of 5 speed gear respectively With the input gear 9E engagements of 4 fast -6 speed gear.

The reverse gear 11A of retreating gear, the idler gear 11B of 5 speed gear, the idler gear 11C of 6 speed gear are the 2nd The center tooth of reverse gear 11A, 5 speed gear on the axis direction of jackshaft 11 from partition wall 4A to side wall 5A by retreating gear Take turns 11B, 6 speed gear idler gear 11C order set.

Be fixed with final stage drive gear 11F in the 2nd jackshaft 11, final stage drive gear 11F be arranged at reverse gear 11A with Between partition wall 4A.

In the speed changer 2 of the present embodiment, the idler gear 10A to the idler gear 11C of 6 speed gear of 1 speed gear change Speed diminishes successively than becoming big with shift gear.The input gear 9A of 1 speed gear of the present embodiment and the input gear of 2 speed gear 9B forms the input gear of the low speed shift gear of the present invention, the input gear 9D of 3 speed gear, the input gear 9C of 5 speed gear The input gear of the higher speed gear gear of the present invention is formed with the input gear 9E of 4 fast -6 speed gear.

The idler gear 10A of 1 speed gear of the present embodiment, the idler gear 10B of 2 speed gear, reverse gear dedicated gear 10E and Reverse gear 11A forms the idler gear of the low speed shift gear of the present invention, the idler gear 10C of 3 speed gear, 4 speed gear Idler gear 10D, the idler gear 11B of 5 speed gear and 6 speed gear idler gear 11C form the higher speed gear gear of the present invention Idler gear.

As shown in fig. 7, the input gear 9B of the input gear 9A of 1 speed gear of low speed shift gear side, 2 speed gear, 1 speed gear The idler gear 10B and retreating gear of idler gear 10A and 2 speed gear reverse gear 11A are among input shaft the 9, the 1st Than the axis direction center of input shaft 9, the 1st jackshaft 10 and the 2nd jackshaft 11 on the axis direction of the jackshaft 11 of axle 10 and the 2nd Portion C is set by partition wall 4A sides.

On the axis direction of the 1st jackshaft 10, the idler gear 10C of the idler gear 10B of 1 speed gear than 2 speed gear By partition wall 4A sides.

The input gear 9D of 3 speed gear of higher speed gear gear side, the input gear 9C of 5 speed gear, 4 fast -6 speed gear it is defeated Enter gear 9E, the idler gear 10C of 3 speed gear, the idler gear 10D of 4 speed gear, the idler gear 11B of 5 speed gear, 6 speed gear Idler gear 11C is on the axis direction of input shaft 9, the 1st jackshaft 10 and the 2nd jackshaft 11 than in input shaft the 9, the 1st The axis direction central portion C of the jackshaft 11 of countershaft 10 and the 2nd is set by side wall 5A sides.

On the axis direction of the 2nd jackshaft 11, the idler gear 11C of 6 speed gear is closest to side wall 5A.The present embodiment The idler gear 11C of 6 speed gear forms the idler gear of the highest speed gear of the present invention.

Differential gear 8 has：It is fixed with the differential casing 32 of final stage driven gear 31；Pinion shaft 33；It is supported in small Gear shaft 33 and a pair of the little gears 34 (illustrating 1) rotated freely；And a pair of the axle shaft gears engaged with little gear 34 35L、35R。

Axle shaft gear 35L, 35R and drive shaft 41L, 41R of left and right link.The jackshaft 10 of final stage driven gear 31 and the 1st Final stage drive gear 10F and the 2nd jackshaft 11 final stage drive gear 11F engagement.

Differential gear 8 allows the differential of drive shaft 41L, 41R of left and right and by the power of final stage driven gear 31 via drive Moving axis 41L, 41R are delivered to wheel 42L, 42R.

1st jackshaft 10 is provided with sleeve 21A, 21B.Sleeve 21A is arranged at the idler gear of 1 speed gear Between 10A and the idler gear 10B of 2 speed gear, existed by the gear (not shown) with selector fork (not shown) etc. Moved on the axis direction of 1st jackshaft 10.

Sleeve 21B is arranged between the idler gear 10C of 3 speed gear and the idler gear 10D of 4 speed gear, is passed through Gear moves on the axis direction of the 1st jackshaft 10.

When any one in sleeve 21A, 21B moves to a side of the axis direction of the 1st jackshaft 10 or the opposing party When, any one in the idler gear 10A to the idler gear 10D of 4 speed gear of 1 speed gear is combined with the 1st jackshaft 10.

Thus, the input gear 9A of 1 speed gear, the input gear 9B of 2 speed gear, the input gear 9D and 4 of 3 speed gear Any one in the input gear 9E of fast -6 speed gear transfers power to the centre of 1 speed gear combined with the 1st jackshaft 10 Any one in gear 10A to the idler gear 10D of 4 speed gear.

When power is delivered to any one in the idler gear 10A to the idler gear 10D of 4 speed gear of 1 speed gear, meeting From the final stage drive gear 10F of the 1st jackshaft 10 to the passing power of final stage driven gear 31 of differential gear 8, before vehicle is carried out Enter traveling.

2nd jackshaft 11 is provided with sleeve 22A, 22B.Sleeve 22A is arranged at the speed of reverse gear 11A and 5 Between the idler gear 11B of gear, moved by gear on the axis direction of the 2nd jackshaft 11.

Sleeve 22B is arranged between the idler gear 11B of 5 speed gear and the idler gear 11C of 6 speed gear, is passed through Gear moves on the axis direction of the 2nd jackshaft 11.When sleeve 22A is on the axis direction of the 2nd jackshaft 11 When mobile, reverse gear 11A is combined with the 2nd jackshaft 11.

Thus, can from final stage drive gear 11F via 1 speed gear input gear 9A to 1 speed gear idler gear 10A, the dedicated gear 10E that reverses gear, the passing power of final stage driven gear 31 from reverse gear 11A to differential gear 8, vehicle carry out after Regression is sailed.

When sleeve 22B moves to a side of the axis direction of the 2nd jackshaft 11 or the opposing party, in 5 speed gear Between the gear 11B or idler gear 11C of 6 speed gear combined with the 2nd jackshaft 11.

, can be from 5 when the idler gear 11B of 5 speed gear or the idler gear 11C of 6 speed gear are combined with the 2nd jackshaft 11 The input gear 9E of fast -6 speed gear of the input gear 9C of speed gear or 4 is to the centre of 5 speed gear combined with the 2nd jackshaft 11 Gear 11B or 6 speed gear idler gear 11C passing powers.

When power be delivered to 5 speed gear idler gear 11B or 6 speed gear idler gear 11C when, can among the 2nd For the final stage drive gear 11F of axle 11 to the passing power of final stage driven gear 31 of differential gear 8, vehicle carries out advance traveling.Such as Shown in Fig. 3, the bottom 31a of final stage driven gear 31 is immersed in oily O, and oily O is taken up by the rotation of final stage driven gear 31.

In Fig. 1, the top of transmission case 5 is provided with oil deflector 51, taken up due to the rotation of final stage driven gear 31 Oil imported into oil deflector 51 and is stored in oil deflector 51 temporarily.

Formed with concave 1st oil groove 36A and the 2nd oil groove 36B (ginsengs in the wall 4d in face of side wall 5A partition wall 4A According to Fig. 5).1st oil groove 36A and the 2nd oil groove 36B from the wall side 4e relative with final stage driven gear 31 in wall 4d to 1st partition wall side jackshaft bearing portion 13A and the 2nd partition wall side jackshaft bearing portion 14A extensions.

Oil of the 1st oil groove 36A and the 2nd oil groove 36B respectively with oily the path 10L and the 2nd jackshaft 11 of the 1st jackshaft 10 leads to Road 11L is connected.1st oil groove 36A passes through the 2nd partition wall side jackshaft bearing portion 14A lower section, is formed under the 2nd oil groove 36A Side.

Here, the partition wall 4A relative with final stage driven gear 31 wall side 4e refers to as shown in Figure 5 work as from a left side Side (side of clutch outer member 4) visually transmission case 5 when the wall 4d scope that is covered by final stage driven gear 31 or wall 4d one Part.

In Figure 5, in partition wall side input shaft bearing portion 12A formed with notch 36C.Notch 36C opens towards oblique upper Mouthful, the inside of transmission case 5 is connected with partition wall side input shaft bearing portion 12A interior side.

In figure 6, in side wall side input shaft bearing portion 12B, the 1st side wall side jackshaft bearing portion 13B and the 2nd side wall side jackshaft Bearing portion 14B is respectively formed with notch 37A to notch 37C.Notch 37A is respectively facing oblique upper opening to notch 37C, By the inside of transmission case 5 and side wall side input shaft bearing portion 12B, the 1st side wall side jackshaft bearing portion 13B and the 2nd side wall side jackshaft Bearing portion 14B interior side connection.

In side wall side input shaft bearing portion 12B bottom formed with notch 37D.Notch 37D is in obliquely downward towards otch Portion 37B is open, and the inside of transmission case 5 is connected with side wall side input shaft bearing portion 12B interior side.

In side wall 5A formed with concave connectivity slot 38, connectivity slot 38 is via notch 37B, 37D by side wall side input shaft Bearing portion 12B interior side connects with the 1st side wall side jackshaft bearing portion 13B interior side.The connectivity slot 38 of the present embodiment forms the present invention Access.

In Fig. 1, Fig. 2, Fig. 4, oil deflector 51 possesses bottom wall 51A and the side wall extended upward from bottom wall 51A both ends 51B, 51C, including oily introduction part 52, oily passage portion 53 and oily discharge unit 54.Oily introduction part 52 is pressed in the 2nd oil groove 36B top It is open (reference picture 5) towards final stage driven gear 31 along partition wall 4A wall 4d direction.

Oily passage portion 53 is another axis direction of the top of the 2nd jackshaft 11 from oily introduction part 52 to the 1st jackshaft 10 The other end 11b extensions of the axis direction of one end 10b and the 2nd jackshaft 11.Oily discharge unit 54 will draw from oily introduction part 52 The oil for leading oily passage portion 53 is provided to the 1st side wall side jackshaft bearing portion 13B and the 2nd side wall side jackshaft bearing portion 14B.

In Fig. 1, Fig. 5, oily passage portion 53 possesses the upstream side oil passage portion extended obliquely upward from oily introduction part 52 53A, oily introduction part 52 include the openend of the upstream side of oily passage portion 53.In addition, upstream, downstream represent the flowing relative to oil Upstream, the downstream in direction.

In fig. 2, oily passage portion 53 has medial side oil passage portion 53B.Medial side oil passage portion 53B is logical from upstream side oil Axis directions of the road portion 53A downstream 53a along the 2nd jackshaft 11 simultaneously oliquely downward extends towards side wall 5A.

Oily passage portion 53 has downstream oil passage portion 53C.Downstream oil passage portion 53C is from medial side oil passage portion 53B Downstream 53b tilted downwards as shown in Figure 3 on the direction orthogonal with the axis direction of the 2nd jackshaft 11.

In figure 3, oily discharge unit 54 has the 1st oily oily discharge unit 54B of discharge unit 54A and the 2nd.In figure 6, the 1st oil row Go out portion 54A to tilt downwards from downstream oil passage portion 53C, the notch 37A with side wall side input shaft bearing portion 12B is in upper and lower It is relative upwards.

2nd oily discharge unit 54B is tilted downwards from downstream oil passage portion 53C, with the 2nd side wall side jackshaft bearing portion 14B Notch 37C it is relative in the vertical direction.

So, downstream oil passage portion 53C is from medial side oil passage portion 53B downstream 53b to the 1st oily discharge unit 54A With the 2nd oily discharge unit 54B extensions.

Upstream side oil passage portion 53A and medial side oil passage portion 53B are arranged to：Upstream side oil passage portion 53A is relative to change The trunnion axis E1 of fast device 2 tiltangleθ 1 (reference picture 5) is more than trunnion axis of the medial side oil passage portion 53B relative to speed changer 2 E1 tiltangleθ 2 (reference picture 4).

In the figure 7, on the axis direction of the 1st jackshaft 10, in the idler gear 10B and 3 speed gear of 2 speed gear Between be provided with packing ring 71 between gear 10C.In the 1st jackshaft 10 the 1st is formed at formed with multiple embedded hole 10m, embedded hole 10m Above and below jackshaft 10.

Packing ring 71 inner peripheral surface formed with multiple projections (not shown) from the inwardly projecting of packing ring 71, projection with it is chimeric Hole 10m is fitted together to.Thus, packing ring 71 is fixed on the 1st jackshaft 10 so that will not be in the circumference and axis direction of the 1st jackshaft 10 It is mobile.

The side of the idler gear 10B of 2 speed gear and the idler gear 10C of 3 speed gear axis direction abuts to packing ring 71.Thus, packing ring 71 can limit the idler gear 10B of 2 speed gear and the idler gear 10C of 3 speed gear in the 1st jackshaft 10 Movement on axis direction.

Moreover, packing ring 71 can ensure that the 1st between the idler gear 10B of 2 speed gear and the idler gear 10C of 3 speed gear The gap of the axis direction of jackshaft 10, it can prevent that the idler gear 10B and the idler gear 10C of 3 speed gear of 2 speed gear are serious Interference.

On the axis direction of the 2nd jackshaft 11, set between the idler gear 11B and sleeve 22A of 5 speed gear There is a sept 72, reverse gear 11A is adjacent with the idler gear 11B of 5 speed gear across sleeve 22A and sept 72.

On the axis direction of the 2nd jackshaft 11, set between reverse gear 11A and the idler gear 11B of 5 speed gear There is jump ring 73.In the 2nd jackshaft 11 formed with multiple embedded hole 11m, embedded hole 11m is formed at the upper and lower of the 2nd jackshaft 11.

Jump ring 73 inner peripheral surface formed with multiple projections (not shown) from the inwardly projecting of jump ring 73, projection with it is chimeric Hole 11m is fitted together to.Thus, jump ring 73 is fixed on the 2nd jackshaft 11 so that will not be in the circumference and axis direction of the 2nd jackshaft 11 It is mobile.

The side of the idler gear 11B of 5 speed gear and the axis direction of sept 72 abuts to jump ring 73.Thus, jump ring 73 can limit movements of the idler gear 11B of 5 speed gear on the axis direction of the 2nd jackshaft 11, and can pass through sept Movements of the 72 limitation reverse gear 11A on the axis direction of the 2nd jackshaft 11.

Moreover, jump ring 73 can be ensured by sept 72 between reverse gear 11A and the idler gear 11B of 5 speed gear The gap of the axis direction of 2nd jackshaft 11, reverse gear 11A and the idler gear 11B severe jammings of 5 speed gear can be prevented.

Then, illustration.

In Fig. 1 to Fig. 6, the direction of rotation of the final stage driven gear 31 when vehicle is advanced is set to rotate counterclockwise direction R1 (being in figure 6 the direction R1 that turns clockwise), the direction of rotation of the final stage driven gear 31 during vehicle rollback is set to up time Pin rotation R2 (being in figure 6 rotate counterclockwise direction R1).

When 1 speed gear is set up to any one shift gear in 4 speed gear, the idler gear 10A of 1 speed gear to 4 speed gear Any one in idler gear 10D is combined with the 1st jackshaft 10, when the shift gear of 5 speed gear or 6 speed gear is set up, 5 speed gear Idler gear 11B or the idler gear 11C of 6 speed gear are combined with the 2nd jackshaft 11.

Such as when 1 speed gear is set up, the idler gear 10A of 1 speed gear is combined with the 1st jackshaft 10, therefore power is fast from 1 The input gear 9A of gear transmits via the idler gear 10A of 1 speed gear to the 1st jackshaft 10.

When power is delivered to the idler gear 10A of 1 speed gear from the input gear 9A of 1 speed gear, the input of 1 speed gear Gear 9A can forcefully press the idler gear 10A of 1 speed gear so that the idler gear 10A of 1 speed gear inner peripheral surface with The outer peripheral face severe jamming of 1st jackshaft 10, stress concentration is in the idler gear 10A of 1 speed gear inner peripheral surface and the 1st jackshaft 10 outer peripheral face.

Therefore, it is necessary to inner peripheral surface to the idler gear 10A of 1 speed gear and be provided between the outer peripheral face of the 1st jackshaft 10 Oil and prevent stress concentration in the idler gear 10A of 1 speed gear inner peripheral surface and the outer peripheral face of the 1st jackshaft 10.

On the other hand, when vehicle advance traveling, oily O can be taken up by the rotation of final stage driven gear 31.

In low vehicle speeds, the rotating speed during rotating ratio high vehicle speeds of final stage driven gear 31 is low.Thus, by Tailed off in the oil mass that the rotation of final stage driven gear 31 takes up, as shown in figure 3, oil is easy in the top surface 5B (references from transmission case 5 Fig. 4, Fig. 6) flow in separated region downwards.

And in high vehicle speeds, the rotating speed during rotating ratio low vehicle speeds of final stage driven gear 31 is high.Thus, Because the oily quantitative change that the rotation of final stage driven gear 31 takes up is more, oil is easy to the top surface 5B flowings along transmission case 5.

In low vehicle speeds, as shown in figure 5, due to oily O1, O2 that the rotation of final stage driven gear 31 takes up from The top surface 5B (being represented by dashed line in Fig. 5) of transmission case 5 is flowed in separated region downwards.

Oily O1, the O2 pass through the 1st oil groove 36A and the 2nd oil groove 36B respectively, and preferentially separate compared to oil deflector 51 to the 1st Wall side jackshaft bearing portion 13A and the 2nd partition wall side jackshaft bearing portion 14A is imported.

When vehicle advances when running at a low speed, the idler gear 10A of 1 speed gear is combined with the 1st jackshaft 10, or 2 The idler gear 10B of speed gear is combined with the 1st jackshaft 10.

When vehicle advances when running at a low speed, the oily O1 for importeding into the 1st partition wall side jackshaft bearing portion 13A is being imported into After the oily path 10L of 1st jackshaft 10 side wall 5A sides are flowed to along the axis direction of the 1st jackshaft 10.

Flow through oily path 10L oil by the centrifugal force of the 1st jackshaft 10 from oily path 10L through overshoot oil path 10R There is provided between the idler gear 10A and the 1st jackshaft 10 of 1 speed gear in bonding state or the idler gear of 2 speed gear Between 10B and the 1st jackshaft 10.

Thus, between the idler gear 10A of 1 speed gear and the 1st jackshaft 10 or the idler gear 10B of 2 speed gear and By oil lubrication between 1 jackshaft 10.

Accordingly, it is capable to prevent stress concentration between the idler gear 10A and the 1st jackshaft 10 of 1 speed gear or 2 speed gear use Idler gear 10B and the 1st jackshaft 10 between.

The idler gear 10A of 1 speed gear is arranged at partition wall 4A sides relative to the idler gear 10B of 2 speed gear.Thus, When 1 speed gear is set up, flowing through oily path 10L oil is, the phase between the idler gear 10B and the 1st jackshaft 10 of 2 speed gear Than preferentially being provided between the idler gear 10A and the 1st jackshaft 10 of 1 speed gear.

In vehicle rollback when running at a low speed, mostly occur and switch shift gear between 1 speed gear or 2 speed gear and retreating gear Situation.Therefore, when switching to 1 speed gear or 2 speed gear, entered using the oily O2 for importeding into the 2nd partition wall side jackshaft bearing portion 13A Row reverse gear 11A lubrication.

The 2nd partition wall side jackshaft bearing portion 13A oily O2 is imported into after the oily path 11L of the 2nd jackshaft 11 is imported into Side wall 5A sides are flowed to along the axis direction of the 2nd jackshaft 11.

Flow through oily path 11L oil by the centrifugal force of the 2nd jackshaft 11 from oily path 11L through overshoot oil path 11R There is provided between the reverse gear 11A in bonding state and the 2nd jackshaft 11.

Reverse gear 11A is arranged at separation relative to the idler gear 11B of 5 speed gear and the idler gear 11C of 6 speed gear Wall 4A sides.Thus, when retreating gear is set up, flowing through oily path 11L oil is, and in the idler gear 11B of 5 speed gear and the 2nd Between countershaft 11 and 6 speed gear idler gear 11C compared between the 2nd jackshaft 11, reverse gear is arrived by preferential offer Between 11A and the 2nd jackshaft 11.

Thus, by oil lubrication between reverse gear 11A and the 2nd jackshaft 11.Accordingly, it is capable to prevent stress concentration in the tooth that reverses gear Take turns between 11A and the 2nd jackshaft 11.

When vehicle advances when running at high speed, the idler gear 10C of 3 speed gear or the idler gear 10D of 4 speed gear with 1st jackshaft 10 combines, or the idler gear 11B of 5 speed gear or the idler gear 11C of 6 speed gear and the knot of the 2nd jackshaft 11 Close.

When vehicle advances when running at high speed, as shown in figure 5, the oily O3 taken up due to the rotation of final stage driven gear 31 Flowed along the top surface 5B of transmission case 5.

Oily O3 major part imported into upstream side oil passage portion 53A by oily introduction part 52.It imported into upstream side oil path Portion 53A oily O3 is imported into the 1st oily discharge unit 54A after medial side oil passage portion 53B flows to downstream oil passage portion 53C With the 2nd oily discharge unit 54B.

In figure 6, the 1st oily discharge unit 54A oil is imported into as shown in oily O4, is discharged to and is cut from the 1st oily discharge unit 54A Oral area 37A, it is imported into side wall side input shaft bearing portion 12B.

Side wall side input shaft bearing portion 12B oily O4 is imported into after oily path 9L is imported into along the axis side of input shaft 9 To flowing to partition wall 4A sides.The oily O4 for flowing through oily path 9L is logical through overshoot oil from oily path 9L by the centrifugal force of input shaft 9 Road 9R provide input gear 9E to fast -6 speed gear of the input gear 9C of 3 speed gear, the input gear 9C of 5 speed gear and 4 with Between input shaft 9.

Thus, the input gear 9C of 3 speed gear, the input gear 9C of 5 speed gear and the input gear 9E of 4 fast -6 speed gear Spline fitting portion between input shaft 9 is lubricated.

Side wall side input shaft bearing portion 12B and the 1st side wall side jackshaft bearing portion 13B connect via connectivity slot 38.Thus, import Side wall side input shaft bearing portion 12B oily O4 is in figure 6 as shown in oily O5, in the notch 37D from side wall side input shaft bearing portion 12B After connectivity slot 38 is discharged to notch 37B, the 1st side wall side jackshaft bearing portion 13B is imported into by notch 37B.

It imported into the 1st side wall side jackshaft bearing portion 13B oily O5 edge after the oily path 10L of the 1st jackshaft 10 is imported into The axis direction for the 1st jackshaft 10 flows to partition wall 4A sides.

Flow through oily path 10L oil by the centrifugal force of the 1st jackshaft 10 from oily path 10L through overshoot oil path 10R There is provided between the idler gear 10C and the 1st jackshaft 10 of 3 speed gear in bonding state or the idler gear of 4 speed gear Between 10D and the 1st jackshaft 10.

Thus, between the idler gear 10C of 3 speed gear and the 1st jackshaft 10 or the idler gear 10D of 4 speed gear and By oil lubrication between 1 jackshaft 10.

Accordingly, it is capable to prevent stress concentration between the idler gear 10C and the 1st jackshaft 10 of 3 speed gear or 4 speed gear use Idler gear 10D and the 1st jackshaft 10 between.

The idler gear 10D of 4 speed gear is arranged at side wall 5A sides relative to the idler gear 10C of 3 speed gear.Thus, 4 When speed gear is set up, flowing through oily path 10L oil is, with the idler gear 10C of 3 speed gear compared between the 1st jackshaft 10, quilt Preferentially provide between the idler gear 10D and the 1st jackshaft 10 of 4 speed gear.

In addition, it is the centre with 3 speed gear to imported into oily path 10L oil from the 1st partition wall side jackshaft bearing portion 13A Gear 10C is compared, and is preferentially provided the idler gear 10D to 4 speed gear.

On the other hand, the 2nd oily discharge unit 54B oil is imported into figure 6 as shown in oily O6, is arranged from the 2nd oily discharge unit 54B Go out to notch 37C, be imported into the 2nd side wall side jackshaft bearing portion 14B.It imported into the 2nd side wall side jackshaft bearing portion 14B oily O6 After oily path 11L is imported into partition wall 4A sides are flowed to along the axis direction of the 2nd jackshaft 11.

Flow through oily path 11L oil by the centrifugal force of the 2nd jackshaft 11 from oily path 11L through overshoot oil path 11R There is provided between the idler gear 11B and the 2nd jackshaft 11 of 5 speed gear in bonding state or the idler gear of 6 speed gear Between 11C and the 2nd jackshaft 11.

Thus, between the idler gear 11B of 5 speed gear and the 2nd jackshaft 11 or the idler gear 11C of 6 speed gear and By oil lubrication between 2 jackshafts 11.

Accordingly, it is capable to prevent stress concentration between the idler gear 11B and the 2nd jackshaft 11 of 5 speed gear or 6 speed gear use Idler gear 11C and the 2nd jackshaft 11 between.

The idler gear 11C of 6 speed gear is arranged at side wall 5A sides relative to the idler gear 11B of 5 speed gear.Thus, when 6 When speed gear is set up, flowing through oily path 11L oil is, with the idler gear 11B of 5 speed gear compared between the 2nd jackshaft 11, quilt Preferentially provide between the idler gear 11B and the 2nd jackshaft 11 of 6 speed gear.

In addition, it is the centre with 5 speed gear to imported into oily path 11L oil from the 2nd partition wall side jackshaft bearing portion 14A Gear 11B is compared, and is preferentially provided the idler gear 11B to 6 speed gear.

So, according to the speed changer 2 of the present embodiment, the input gear 9A of 1 speed gear of composition low speed shift gear, 2 speed gear Input gear 9B, the idler gear 10A of 1 speed gear and 2 speed gear idler gear 10B are arranged at partition wall 4A sides.

Form the input gear 9D of 3 speed gear of higher speed gear gear, the input gear 9C of 5 speed gear, 4 fast -6 speed gear Input gear 9E, the idler gear 10C of 3 speed gear, the idler gear 10D of 4 speed gear, the idler gear 11B and 6 of 5 speed gear The idler gear 11C of speed gear is arranged at side wall 5A sides.

The partition wall 4A in face of side wall 5A wall 4d formed with the 1st oil groove 36A and the 2nd oil groove 36B, the 1st oil groove 36A It is concavity with the 2nd oil groove 36B, from the wall 4d relative with final stage driven gear 31 wall side 4e to the 1st partition wall side Jackshaft bearing portion 13A and the 2nd partition wall side jackshaft bearing portion 14A extension, respectively with the oily path 10L and the 2nd of the 1st jackshaft 10 The oily path 11L connections of jackshaft 11.

Moreover, according to the speed changer 2 of the present embodiment, oil deflector 51 includes oily introduction part 52, oily passage portion 53 and oil discharge Portion 54.Oily introduction part 52 presses the direction direction along partition wall 4A wall 4d in the 1st oil groove 36A and the 2nd oil groove 36B top Final stage driven gear 31 is open.

Oily passage portion 53 is another axis direction of the top of the 2nd jackshaft 11 from oily introduction part 52 to the 2nd jackshaft 11 One end 11b extends, and oily discharge unit 54 provides the oil that oily passage portion 53 is directed to from oily introduction part 52 among the 1st side wall side Bearing portion 13B and the 2nd side wall side jackshaft bearing portion 14B.

According to this composition, when the speed changer 2 of the present embodiment is either still run at high speed in low vehicle speeds, Oil can energetically be provided to the centre for 1 speed gear for needing to lubricate according to the speed of vehicle or the rotating speed of final stage driven gear 31 Between gear 10A to the idler gear 10D and the 1st jackshaft 10 of 4 speed gear and the idler gear 11B of 5 speed gear and 6 is fast Between the idler gear 11C and the 2nd jackshaft 11 of gear.

Accordingly, it is capable to reduce the oil mass for being stored in transmission case 5, the pasta for the oily O that final stage driven gear 31 is impregnated can be reduced. As a result, the reduction of the stirring resistance of final stage driven gear 31 can be realized, and the storage capacity of oil can be reduced, speed change can be reduced The weight of device 2.

In addition, according to the speed changer 2 of the present embodiment, there is the 1st countershaft 10 of the lower section for being arranged at input shaft 9 and be arranged at 2nd jackshaft 11 of the top of the 1st jackshaft 10.

In the 1st jackshaft 10, be provided with 1 speed gear by the use of idler gear 10A and 2 speed gear by the use of idler gear 10B as low The idler gear of fast shift gear, in the 2nd jackshaft 11, it is provided with the idler gear 11B and multiple idler gears of 5 speed gear The minimum highest speed gear of gear ratio by the use of i.e. 6 speed gear by the use of idler gear 11C as higher speed gear gear idler gear.

On the axis direction of the 1st jackshaft 10, the idler gear 10B of the idler gear 10A of 1 speed gear than 2 speed gear By partition wall 4A sides, on the axis direction of the 2nd jackshaft 11, the idler gear 11C of 6 speed gear is closest to side wall 5A.

Thus, in low vehicle speeds, in the case that the oily amount that the rotation of final stage driven gear 31 takes up is lacked, Oil can be imported into oily lead to by being arranged at the one end 10a of the axis direction of the 1st jackshaft 10 of the lower section of the 2nd jackshaft 11 Road 10L.

Accordingly, it is capable to oil is quickly and reliably provided to the idler gear 10A and 2 speed gear to 1 speed gear by oily path 10L Idler gear 10B.

Moreover, in high vehicle speeds, oil deflector 51 can be used reliably to catch the rotation by final stage driven gear 31 And be taken up and along transmission case 5 top surface 5B flow substantial amounts of oil.

Thus, oil can be passed through to the other end of the axis direction of the 2nd jackshaft 11 of the top for being arranged at the 1st jackshaft 10 Portion 11b imported into oily path 11L.Accordingly, it is capable to oil is quickly and reliably provided to the centre of 6 speed gear by oily path 11L Gear 11C.

Moreover, jackshaft includes the 1st jackshaft 10 and the 2nd jackshaft 11 this 2 axles, thus, it is possible to shorten the 1st jackshaft 10 With the total length of the oil deflector 51 on the axis direction of the 2nd jackshaft 11, the composition of oil deflector 51 can be simplified, and it is logical to shorten oil Road 10L, 11L total length.

Thus, the oil for importing oil deflector 51 can be provided promptly to the idler gear 11C to 6 speed gear.

In addition, according to the speed changer 2 of the present embodiment, in the 1st jackshaft 10, on the axis direction of the 1st jackshaft 10 from Partition wall 4A is disposed with the idler gear 10A of 1 speed gear, the idler gear 10B of 2 speed gear, 3 speed gear to side wall 5A Idler gear 10C and 4 speed gear idler gear 10D.

In the 2nd jackshaft 11, after being disposed with the axis direction of the 2nd jackshaft 11 from partition wall 4A to side wall 5A Move back the reverse gear 11A of gear, the idler gear 11B of 5 speed gear, the idler gear 11C of 6 speed gear.

Axis direction centers of the idler gear 11B of the 5 speed gear and idler gear 11C of 6 speed gear than the 2nd jackshaft 11 Portion C is set by side wall 5A sides, and the reverse gear 11A of retreating gear leans on partition wall than the axis direction central portion C of the 2nd jackshaft 11 4A sides are set.

Thus, in low vehicle speeds, can take up the rotation due to final stage driven gear 31 is oily from the 1st oil groove 36A provides the oily path 10L to the 1st jackshaft 10 by the 1st partition wall side jackshaft bearing portion 13A, and fast by oily path 10L The idler gear 10B of idler gear 10A and 2 speed gear to 1 speed gear is provided fastly.

Moreover, in high vehicle speeds, can take up the rotation due to final stage driven gear 31 is oily from oil deflector 51 Oily path 11L is imported into by the 2nd side wall side jackshaft bearing portion 14B, and promptly provides to 5 speed gear and uses by oily path 11L Idler gear 11B and 6 speed gear idler gear 11C.

Moreover, in vehicle rollback, by carrying out the switching of 1 speed gear or 2 speed gear and retreating gear, warp can be utilized when retreating Cross the 2nd partition wall side jackshaft bearing portion 14A and be stranded in the oily path 11L of the 2nd jackshaft 11 oil, can be to reverse gear 11A Oil is quickly and reliably provided.

In addition, according to the speed changer 2 of the present embodiment, have：1st partition wall side jackshaft bearing portion 13A, it is supported in the 1st The one end 10a of the axis direction of countershaft 10 and rotate freely one end 10a；And the 2nd partition wall side jackshaft bearing portion 14A, it supports the one end 11a of the axis direction of the 2nd jackshaft 11 and rotates freely one end 11a.

Oil groove has：1st oil groove 36A, it is from the partition wall 4A relative with final stage driven gear 31 wall 4d to the 1st point Next door side jackshaft bearing portion 13A extends；And the 2nd oil groove 36B, its wall from the partition wall 4A relative with final stage driven gear 31 Face 4d extends to the 2nd partition wall side jackshaft bearing portion 14A.

1st oil groove 36A passes through the 2nd partition wall side jackshaft bearing portion 14A lower section, is formed at the 2nd oil groove 36B lower section.

Thus, in low vehicle speeds, in the case that the oily amount that the rotation of final stage driven gear 31 takes up is lacked, Oil efficiently can be passed through the 1st partition wall side jackshaft bearing portion 13A and the 2nd partition wall side from the 1st oil groove 36A and the 2nd oil groove 36B Jackshaft bearing portion 14A imported into oily the path 10L and the 2nd jackshaft 11 of the 1st jackshaft 10 oily path 11L.

As a result, oil can reliably be provided to reverse gear 11A, the idler gear 10A of 1 speed gear and 2 speed gear use Idler gear 10B.

In addition, according to the speed changer 2 of the present embodiment, the oily passage portion 53 of oil deflector 51 has from oily introduction part 52 on tiltedly Fang Yanshen upstream side oil passage portion 53A.Moreover, there is medial side oil passage portion 53B, medial side oil passage portion 53B from upstream Side oil passage portion 53A downstream 53a along the axis direction of the 1st jackshaft 10 and the 2nd jackshaft 11 and towards side wall 5A to Obliquely downward extends.Moreover, having downstream oil passage portion 53C, downstream oil passage portion 53C is from medial side oil passage portion 53B's Downstream 53b is tilted downwards, extends to oily discharge unit 54.

Upstream side oil passage portion 53A is set greater than medial side oil relative to the trunnion axis E1 of speed changer 2 tiltangleθ 1 Passage portion 53B relative to the trunnion axis E1 of speed changer 2 tiltangleθ 2.

Thus, in low vehicle speeds, oil imported into upstream side oil passage portion 53A situation by oily introduction part 52 Under, inclined plane of the oil along the big upstream side oil passage portion 53A of tiltangleθ 1 can be made to return to the side of final stage driven gear 31.

Therefore, in low vehicle speeds, oil can be made to not easily pass through oil deflector 51 and flow to the 1st side wall side jackshaft bearing portion 13B and the 2nd side wall side jackshaft bearing portion 14B.As a result, it can preferentially imported into the 1st separation by oily in low vehicle speeds Wall side jackshaft bearing portion 13A and the 2nd partition wall side jackshaft bearing portion 14A, the idler gear 10A of 1 speed gear, 2 speed gear can be used Idler gear 10B and reverse gear 11A more oil are provided.

In addition, according to the speed changer 2 of the present embodiment, side wall 5A has：1st side wall side jackshaft bearing portion 13B, it supports the The other end 10b of the axis direction of 1 jackshaft 10 and rotate freely the other end 10b；2nd side wall side jackshaft bearing portion 14B, it supports the other end 11b of the axis direction of the 2nd jackshaft 11 and rotates freely the other end 11b；And side Wall side input shaft bearing portion 12B, it supports the other end 9b of the axis direction of input shaft 9 and makes the other end 9b rotations certainly Such as.

The oily discharge unit 54 of oil deflector 51 has：1st oily discharge unit 54A, it is opened towards side wall side input shaft bearing portion 12B Mouthful；And the 2nd oily discharge unit 54B, it is open towards the 2nd side wall side jackshaft bearing portion 14B.Moreover, in side wall 5A formed with general The connectivity slot 38 that side wall side input shaft bearing portion 12B connects with the 1st side wall side jackshaft bearing portion 13B.

Thus, in the case that jackshaft includes the 1st jackshaft 10 and the 2nd jackshaft 11 this 2 axles, can also simplify The composition of oil deflector 51, oil is imported into the 1st from the 1st side wall side jackshaft bearing portion 13B and the 2nd side wall side jackshaft bearing portion 14B Oily the path 10L and the 2nd jackshaft 11 of jackshaft 10 oily path 11L.

In addition, in the speed changer 2 of the present embodiment, the 1st jackshaft 10 is provided with the idler gear 10A to 4 of 1 speed gear The idler gear 10D of speed gear, but as long as in the 1st jackshaft 10 at least provided with the idler gear 10A of 1 speed gear.

In addition, the 2nd jackshaft 11 be provided with reverse gear 11A, 5 speed gear idler gear 11B and 6 speed gear in Between gear 11C, but as long as in the 2nd jackshaft 11 at least provided with reverse gear 11A and the idler gear 11C of 6 speed gear.

Moreover, the idler gear of highest speed gear is made up of the idler gear 11C of 6 speed gear, but 7 can also be set Idler gear more than speed gear, the idler gear of highest speed gear is made up of the idler gear of digital maximum shift gear.

Alternatively, it is also possible to set the tributary circuit portion shown in Fig. 8 in the upstream side oil passage portion 53A shown in Fig. 8, Fig. 9 53D.In fig. 8, oil deflector 51 is provided with tributary circuit portion 53D, tributary circuit portion 53D is from upstream side oil passage portion 53A points Branch, oliquely downward tilted from upstream side oil passage portion 53A towards the 2nd oil groove 36B.

So, in low vehicle speeds, the oily O3 edges that upstream side oil passage portion 53A is imported into from oily introduction part 52 can be made The inclined plane for upstream side oil passage portion 53A returns to oily introduction part 52, on the other hand, as shown in oily O7, can make it along branch Passage portion 53D inclined plane returns to the 2nd oil groove 36B.

Thus, in low vehicle speeds, the oily O7 of the inclined plane return along tributary circuit portion 53D can be passed through the 2nd Oil groove 36B imported into the 2nd partition wall side jackshaft bearing portion 14A, can provide reverse gear 11A more oil.

(the 2nd embodiment)

Figure 10 be represent the present invention the 2nd embodiment transmission for vehicle figure, pair with the 1st embodiment identical form Enclose same reference and omit the description.

In Fig. 10, the 1st jackshaft 10 oily path 10L formed with dividing wall 75, dividing wall 75 is in the 1st jackshaft 10 Axis direction on stop oily path 10L.Thus, oily path 10L clips dividing wall 75 or so and is separately formed.

Dividing wall 75 is formed at 2 of the idler gear as low speed shift gear on the axis direction of the 1st jackshaft 10 Speed gear by the use of idler gear 10B and as between the idler gear 10C of 3 speed gear of the idler gear of higher speed gear gear.

Dividing wall 75 is arranged at side wall 5A sides relative to the idler gear 10B of 2 speed gear, relative to the centre of 3 speed gear Gear 10C is arranged at partition wall 4A sides.The oily path 10L of the present embodiment forms the 1st oily path of the present invention, and dividing wall 75 is formed The dividing wall and the 1st dividing wall of the present invention.

The 2nd jackshaft 11 oily path 11L formed with dividing wall 76, dividing wall 76 is in the axis side of the 2nd jackshaft 11 Stop oily path 11L upwards.Thus, oily path 11L clips dividing wall 76 or so and is separately formed.

Dividing wall 76 is arranged at side wall 5A sides relative to reverse gear 11A, is set relative to the idler gear 11B of 5 speed gear It is placed in partition wall 4A sides.The oily path 11L of the present embodiment forms the 2nd oily path of the present invention, and dividing wall 76 forms the present invention's Dividing wall and the 2nd dividing wall.

On the axis direction of the 1st jackshaft 10, in the idler gear 10B of 2 speed gear and the idler gear of 3 speed gear Packing ring 71 is provided between 10C.Projection formed with confession packing ring 71 in the dividing wall 75 of the 1st jackshaft 10 is fitted together to multiple embedding Hole 75m is closed, embedded hole 75m is formed at the upper and lower of dividing wall 75.Thus, packing ring 71 is fixed on dividing wall 75 so that will not be the 1st Moved in the circumference and axis direction of jackshaft 10.

The side of the idler gear 10B of 2 speed gear and the idler gear 10C of 3 speed gear axis direction abuts to packing ring 71.Thus, packing ring 71 can limit the idler gear 10B of 2 speed gear and the idler gear 10C of 3 speed gear in the 1st jackshaft 10 Movement on axis direction.

Moreover, packing ring 71 can ensure the 1st between the idler gear 10B of 2 speed gear and the idler gear 10C of 3 speed gear The gap of the axis direction of jackshaft 10, it can prevent that the idler gear 10B and the idler gear 10C of 3 speed gear of 2 speed gear are serious Interference.

Formed with multiple embedded hole 76m that the projection for jump ring 73 is chimeric in the dividing wall 76 of the 2nd jackshaft 11, it is fitted together to Hole 76m is formed at the upper and lower of dividing wall 76.Thus, jump ring 73 is fixed on dividing wall 76 so that will not be in the week of the 2nd jackshaft 11 To with moved on axis direction.

The side of the idler gear 11B of 5 speed gear and the axis direction of sept 72 abuts to jump ring 73.Thus, jump ring 73 can limit movements of the idler gear 11B of 5 speed gear on the axis direction of the 2nd jackshaft 11, and can pass through sept Movements of the 72 limitation reverse gear 11A on the axis direction of the 2nd jackshaft 11.

Moreover, jump ring 73 can be ensured by sept 72 between reverse gear 11A and the idler gear 11B of 5 speed gear The gap of the axis direction of 2nd jackshaft 11, reverse gear 11A and the idler gear 11B severe jammings of 5 speed gear can be prevented.

The packing ring 71 of the present embodiment forms the 1st limiting part of the present invention, and jump ring 73 forms the 2nd limiting unit of the present invention Part.Embedded hole 75m forms the 1st installation portion of the present invention, and embedded hole 76m forms the 2nd installation portion of the present invention.

Below, illustration.

When vehicle advances when running at a low speed, when 1 speed gear is set up, among the idler gear 10A of 1 speed gear and the 1st Axle 10 is combined, and when 2 speed gear are set up, the idler gear 10B of 2 speed gear is combined with the 1st jackshaft 10.Moreover, when retreating gear into Immediately, reverse gear 11A is combined with the 2nd jackshaft 11.

In low vehicle speeds, the rotating speed during rotating ratio high vehicle speeds of final stage driven gear 31 is low, therefore, by Pass through the 1st oil groove 36A and the 2nd oil groove 36B respectively in oily O1, O2 that the rotation of final stage driven gear 31 takes up, and compared to leading Oily device 51 preferentially imports (reference picture 5) to the 1st partition wall side jackshaft bearing portion 13A and the 2nd partition wall side jackshaft bearing portion 14A.

When vehicle advances when running at a low speed, the oily O1 for importeding into the 1st partition wall side jackshaft bearing portion 13A is being imported into After the oily path 10L of 1st jackshaft 10 side wall 5A sides are flowed to along the axis direction of the 1st jackshaft 10.

Flow through oily path 10L oil by the centrifugal force of the 1st jackshaft 10 from oily path 10L through overshoot oil path 10R There is provided between the idler gear 10A and the 1st jackshaft 10 of 1 speed gear in bonding state or the idler gear of 2 speed gear Between 10B and the 1st jackshaft 10.

Thus, between the idler gear 10A of 1 speed gear and the 1st jackshaft 10 or the idler gear 10B of 2 speed gear and By oil lubrication between 1 jackshaft 10.

The 2nd partition wall side jackshaft bearing portion 13A oily O2 is imported into after the oily path 11L of the 2nd jackshaft 11 is imported into Side wall 5A sides are flowed to along the axis direction of the 2nd jackshaft 11.

Flow through oily path 11L oil by the centrifugal force of the 2nd jackshaft 11 and from oily path 11L through overshoot oil path 11R, which is provided, to be arrived between reverse gear 11A and the 2nd jackshaft 11 in bonding state.

If however, not forming dividing wall 75 in oily path 10L, the oil for flowing through oily path 10L can be through overshoot oil Path 10R provide between the idler gear 10C and the 1st jackshaft 10 of 3 speed gear and the idler gear 10D of 4 speed gear with Between 1st jackshaft 10.

If moreover, not forming dividing wall 76 in oily path 11L, the oil for flowing through oily path 11L can be through overshoot oil Path 11R provide between the idler gear 11B and the 2nd jackshaft 11 of 5 speed gear and the idler gear 11C of 6 speed gear with Between 2nd jackshaft 11.

Vehicle is placed for a long time in cold etc. situation or in the case of stopping for a long time, oil can be by cold extraneous gas Cooling and viscosity uprises.When viscosity it is high oil provide between the idler gear 10C and the 1st jackshaft 10 of 3 speed gear and 4 speed When between the idler gear 10D and the 1st jackshaft 10 of gear, between the idler gear 10C and the 1st jackshaft 10 of 3 speed gear with And 4 speed gear idler gear 10D and the 1st jackshaft 10 between resistance to sliding can become big.

In addition, when the high oil of viscosity is provided between the idler gear 11B and the 2nd jackshaft 11 of 5 speed gear and 6 speed gear When between idler gear 11C and the 2nd jackshaft 11, between the idler gear 11B and the 2nd jackshaft 11 of 5 speed gear and 6 Resistance to sliding between the idler gear 11C and the 2nd jackshaft 11 of speed gear can become big.

Therefore, load when the 1st jackshaft 10 and the 2nd jackshaft 11 rotate becomes big, and engine 1 is due to driving rotary load Big the 1st jackshaft 10 and the 2nd jackshaft 11 and fuel consumption can be caused to increase.

According to the speed changer 2 of the present embodiment, in the oily path 10L of the 1st jackshaft 10, in the axis of the 1st jackshaft 10 Formed with the dividing wall 75 for stopping oily path 10L on direction.

Dividing wall 75 is formed at the idler gear 10B of 2 speed gear on the axis direction of the 1st jackshaft 10 and 3 speed gear are used Idler gear 10C between, be arranged at the side of side wall 5 relative to the idler gear 10B of 2 speed gear.

Thus, when the state placed for a long time from vehicle in cold or the state stopped for a long time start engine 1, The high oil of viscosity, which is isolated wall 75, to be stopped, above-mentioned oil can be prevented from the idler gear 10A sides of the 1st oily path 10L 1 speed gear and The idler gear 10B effluents of 2 speed gear are to the idler gear 10C sides of 3 speed gear.Therefore, by engine 1 start rear vehicle with When low speed carries out advance traveling, it can prevent between the idler gear 10C of 3 speed gear and the 1st jackshaft 10 and in 4 speed gear Between resistance to sliding between gear 10D and the 1st jackshaft 10 become big.

In addition, according to the speed changer 2 of the present embodiment, the 2nd jackshaft 11 oily path 11L formed with the 2nd jackshaft Stop oily path 11L dividing wall 76 on 11 axis direction.Dividing wall 76 is formed on the axis direction of the 2nd jackshaft 11 Between reverse gear 11A and the idler gear 11B of 5 speed gear, partition wall is arranged at relative to the idler gear 11B of 5 speed gear 4A sides.

Thus, when the state placed for a long time from vehicle in cold or the state stopped for a long time start engine 1, The high oil of viscosity, which is isolated wall 76, to be stopped, above-mentioned oil can be prevented from oily path 11L reverse gear 11A effluents to 5 speed gear Idler gear 11B sides.

Therefore, can be prevented in vehicle rollback between the idler gear 11B of 5 speed gear and the 2nd jackshaft 11 and 6 speed gear Resistance to sliding between idler gear 11C and the 2nd jackshaft 11 becomes big.

As a result, can prevent load when the 1st jackshaft 10 and the 2nd jackshaft 11 rotate from becoming big in vehicle rollback, It can prevent the fuel consumption of engine 1 from increasing.

In addition, according to the speed changer 2 of the present embodiment, the 1st jackshaft 10 is provided with packing ring 71, packing ring 71 limits 2 speed gear The movement of idler gear 10B and the idler gear 10C of 3 speed gear on the axis direction of the 1st jackshaft 10.

Moreover, being provided with jump ring 73 in the 2nd jackshaft 11, jump ring 73 limits the center tooth of reverse gear 11A and 5 speed gear Take turns movements of the 11B on the axis direction of the 2nd jackshaft 11.

Moreover, being provided with the embedded hole 75m of mounting gasket 71 in dividing wall 75, installation card is provided with dividing wall 76 The embedded hole 76m of spring 73.

Thus, the 1st jackshaft can also be prevented formed with embedded hole 75m, 76m in the high dividing wall 75,76 of rigidity The rigidity reduction of 10 and the 2nd jackshaft 11.

Moreover, dividing wall 75 is formed between the idler gear 10B of 2 speed gear and the idler gear 10C of 3 speed gear, Dividing wall 76 is formed between reverse gear 11A and the idler gear 11B of 5 speed gear, so as to which dividing wall 75,76 is set In the 1st jackshaft 10 and the central portion of the axis direction of the 2nd jackshaft 11.

Thus, by the power of input shaft 9 from input gear 9A, 9B, 9D, 9E via idler gear 10A, 10B, 10C, In the case that 10D is delivered to the 1st jackshaft 10, it can prevent that the 1st jackshaft 10 is upwardly-deformed in the side orthogonal with axis direction.

Moreover, by the power of input shaft 9 from input gear 9A, 9C, 9E via the dedicated gear that reverses gear gear 10E, fall In the case that gear gear 11A, idler gear 11B, 11C are delivered to the 2nd jackshaft 11, can prevent the 2nd jackshaft 11 with axis The orthogonal side in direction is upwardly-deformed.

Accordingly, it is capable to prevent the oil for flowing through oily path 10L, 11L from become action in oily path 10L, 11L inside shaking It is unstable.As a result, can by oil swimmingly provide between the 1st jackshaft 10 and idler gear 10A, 10B, 10C, 10D with And the 2nd between jackshaft 11 and reverse gear 11A, idler gear 11B, 11C.

Although disclosing embodiments of the invention, but it is clear that those skilled in the art can not depart from the scope of the present invention In the case of apply change.All this modifications and equivalent are contained in claims by intention.

Claims (11)

1. a kind of transmission for vehicle, it possesses：

Transmission case, it has the partition wall relative with internal combustion engine and the side wall relative with above-mentioned partition wall, in bottom storage Oil；

Input shaft, it has the oily path extended in the axial direction, is accommodated in above-mentioned transmission case, the power of above-mentioned internal combustion engine It is passed to above-mentioned input shaft；

The input gear of low speed shift gear, it is arranged at above-mentioned input shaft；

The input gear of higher speed gear gear, it is arranged at above-mentioned input shaft, and the gear ratio of above-mentioned higher speed gear gear is less than above-mentioned The gear ratio of low speed shift gear；

Jackshaft, it is accommodated in above-mentioned transmission case, has the oily path extended in the axial direction；

The idler gear of low speed shift gear, it is arranged at above-mentioned jackshaft, is nibbled with the input gear of above-mentioned low speed shift gear Close；

The idler gear of higher speed gear gear, it is arranged at above-mentioned jackshaft, is nibbled with the input gear of above-mentioned higher speed gear gear Close；And

Final stage drive gear, it is arranged at above-mentioned jackshaft, is engaged with the input gear of above-mentioned higher speed gear gear；

Partition wall side jackshaft bearing portion, it is arranged at above-mentioned partition wall, support the axis direction of above-mentioned jackshaft one end and Rotate freely the one end；

Side wall side jackshaft bearing portion, it is arranged at above-mentioned side wall, supports the other end of the axis direction of above-mentioned jackshaft and makes The other end rotates freely；

Differential gear, it is accommodated in above-mentioned transmission case, has and is engaged with above-mentioned final stage drive gear and bottom is immersed in oil Final stage driven gear, wheel passing power to the left and right；And

Oil deflector, it is imported into the oil taken up due to the rotation of above-mentioned final stage driven gear, the feature of above-mentioned transmission for vehicle It is,

The input gear of above-mentioned low speed shift gear and the idler gear of above-mentioned low speed shift gear are arranged at above-mentioned partition wall side,

The idler gear of the input gear of above-mentioned higher speed gear gear and above-mentioned higher speed gear gear is arranged at above-mentioned side wall side,

Formed with oil groove in the wall in face of the above-mentioned partition wall of above-mentioned side wall, above-mentioned oil groove is concavity, from above-mentioned wall The wall side relative with above-mentioned final stage driven gear state the extension of partition wall side jackshaft bearing portion upwards, with above-mentioned jackshaft Above-mentioned oily communication,

Above-mentioned oil deflector includes oily introduction part, oily passage portion and oily discharge unit,

Above-mentioned oily introduction part is pressed driven towards above-mentioned final stage along the direction of the wall of above-mentioned partition wall in the top of above-mentioned oil groove Gear opening,

Above-mentioned oily passage portion is another axis direction of the top of above-mentioned jackshaft from above-mentioned oily introduction part to above-mentioned jackshaft End extends,

Above-mentioned oily discharge unit provides the oil that above-mentioned oily passage portion is directed to from above-mentioned oily introduction part to above-mentioned side wall side jackshaft Bearing portion.

2. transmission for vehicle according to claim 1, it is characterised in that

Formed with stopping above-mentioned oily path on the axis direction of above-mentioned jackshaft in the above-mentioned oily path of above-mentioned jackshaft Dividing wall,

Above-mentioned dividing wall be formed on the axis direction of above-mentioned jackshaft the idler gear of above-mentioned low speed shift gear with it is above-mentioned Between the idler gear of higher speed gear gear.

3. the transmission for vehicle according to claim 1 or claim 2, it is characterised in that

Above-mentioned jackshaft has the 1st jackshaft of the lower section for being arranged at above-mentioned input shaft and is arranged at the upper of above-mentioned 1st jackshaft 2nd jackshaft of side,

Among at least one that above-mentioned 1st jackshaft is provided with the idler gear of 1 speed gear and the idler gear of 2 speed gear Idler gear of the gear as above-mentioned low speed shift gear,

Above-mentioned 2nd jackshaft is provided with the idler gear of multiple above-mentioned higher speed gear gears, and will wherein gear ratio it is minimum The idler gear for being arranged to highest speed gear,

On the axis direction of above-mentioned 1st jackshaft, the idler gear of the idler gear of above-mentioned 1 speed gear than above-mentioned 2 speed gear By above-mentioned partition wall side,

On the axis direction of above-mentioned 2nd jackshaft, the idler gear of above-mentioned highest speed gear is closest to above-mentioned side wall.

4. transmission for vehicle according to claim 3, it is characterised in that

Above-mentioned oily path includes being formed at the 1st oily path of above-mentioned 1st jackshaft and is formed at the 2nd oil of above-mentioned 2nd jackshaft Path,

Above-mentioned dividing wall include being formed at the 1st dividing wall of above-mentioned 1st jackshaft and be formed at the 2nd of above-mentioned 2nd jackshaft every From wall,

Above-mentioned 1st dividing wall is arranged at above-mentioned side wall side relative to the idler gear of above-mentioned low speed shift gear,

Above-mentioned 2nd dividing wall is arranged at above-mentioned partition wall side relative to the idler gear of above-mentioned higher speed gear gear.

5. according to the transmission for vehicle described in claim 3 or claim 4, it is characterised in that

In above-mentioned 1st jackshaft, set gradually on the axis direction of above-mentioned 1st jackshaft from above-mentioned partition wall to above-mentioned side wall There are the idler gear of 1 speed gear, the idler gear of 2 speed gear, idler gear, the idler gear of 4 speed gear of 3 speed gear,

In above-mentioned 2nd jackshaft, set gradually on the axis direction of above-mentioned 2nd jackshaft from above-mentioned partition wall to above-mentioned side wall There are the reverse gear of retreating gear, the idler gear of 5 speed gear, the idler gear of 6 speed gear,

The axis direction of above-mentioned 2nd jackshaft of idler gear ratio of the idler gear of above-mentioned 5 speed gear and above-mentioned highest speed gear Central portion is set by above-mentioned side wall side,

The reverse gear of above-mentioned retreating gear is set than the axis direction central portion of above-mentioned 2nd jackshaft by above-mentioned partition wall side.

6. transmission for vehicle according to claim 5, it is characterised in that

Above-mentioned 1st dividing wall is formed between the idler gear of above-mentioned 2 speed gear and the idler gear of above-mentioned 3 speed gear,

Above-mentioned 2nd dividing wall is formed between the reverse gear of above-mentioned retreating gear and the idler gear of above-mentioned 5 speed gear.

7. the transmission for vehicle according to any one of claim 1 to claim 6, it is characterised in that

Above-mentioned partition wall side jackshaft bearing portion has：1st partition wall side jackshaft bearing portion, it supports the axle of above-mentioned 1st jackshaft The one end in line direction and rotate freely the one end；And the 2nd partition wall side jackshaft bearing portion, it is supported in the above-mentioned 2nd The one end of the axis direction of countershaft and rotate freely the one end,

Above-mentioned oil groove has：1st oil groove, it is from the above-mentioned wall sidepiece relative with above-mentioned final stage driven gear in above-mentioned wall Position extends to above-mentioned 1st partition wall side jackshaft bearing portion；And the 2nd oil groove, it drives from above-mentioned wall with above-mentioned final stage The 2nd partition wall side jackshaft bearing portion extension is stated in the relative above-mentioned wall side of gear upwards,

Lower section of above-mentioned 1st oil groove Jing Guo above-mentioned 2nd partition wall side jackshaft bearing portion, it is formed at the lower section of above-mentioned 2nd oil groove.

8. the transmission for vehicle according to any one of claim 1 to claim 6, it is characterised in that

The above-mentioned oily passage portion of above-mentioned oil deflector has：Upstream side oil passage portion, it extends obliquely upward from above-mentioned oily introduction part； Medial side oil passage portion, its axis direction from the downstream of above-mentioned upstream side oil passage portion along above-mentioned jackshaft and towards upper Side wall is stated oliquely downward to extend；And downstream oil passage portion, it inclines downwards from the downstream of above-mentioned medial side oil passage portion Tiltedly, above-mentioned oily discharge unit is extended to,

Above-mentioned upstream side oil passage portion is more than above-mentioned medial side oil passage portion relative to the inclination angle of the trunnion axis of above-mentioned speed changer Relative to the inclination angle of the trunnion axis of above-mentioned speed changer.

9. transmission for vehicle according to claim 8, it is characterised in that

Above-mentioned oil deflector has tributary circuit portion, and above-mentioned tributary circuit portion is from above-mentioned upstream side oil passage portion branch, from above-mentioned Trip side oil passage portion oliquely downward tilts towards above-mentioned oil groove.

10. the transmission for vehicle according to any one of claim 3 to claim 7, it is characterised in that

Above-mentioned side wall side jackshaft bearing portion has：1st side wall side jackshaft, it supports the axis direction of above-mentioned 1st jackshaft The other end and rotate freely the other end；And the 2nd side wall side jackshaft, it supports the axis of above-mentioned 2nd jackshaft The other end in direction and rotate freely the other end,

The side wall side input that above-mentioned side wall has the end for the axis direction for supporting above-mentioned input shaft and rotates freely the end Bearing portion,

Above-mentioned oily discharge unit has：1st oily discharge unit, it is towards above-mentioned side wall side input shaft bearing portion opening；And the 2nd oil discharge Portion, its towards above-mentioned 2nd side wall side jackshaft bearing portion opening, above-mentioned side wall formed with by above-mentioned side wall side input shaft bearing portion with The access of above-mentioned 1st side wall side jackshaft bearing portion connection.

11. the transmission for vehicle according to any one of claim 5 to claim 10, it is characterised in that

Above-mentioned 1st jackshaft is provided with the 1st limiting part, above-mentioned 1st limiting part limits the idler gear of above-mentioned 2 speed gear With the movement of the idler gear of above-mentioned 3 speed gear on the axis direction of above-mentioned 1st jackshaft,

Above-mentioned 2nd jackshaft is provided with the 2nd limiting part, above-mentioned 2nd limiting part limits the tooth that reverses gear of above-mentioned retreating gear The movement of wheel and the idler gear of above-mentioned 5 speed gear on the axis direction of above-mentioned 2nd jackshaft,

The 1st installation portion for installing above-mentioned 1st limiting part is provided with above-mentioned 1st dividing wall,

The 2nd installation portion for installing above-mentioned 2nd limiting part is provided with above-mentioned 2nd dividing wall.