CN207364257U - Shift system applied to small displacement fuel engines gearbox and electric shift case - Google Patents
Shift system applied to small displacement fuel engines gearbox and electric shift case Download PDFInfo
- Publication number
- CN207364257U CN207364257U CN201721434300.6U CN201721434300U CN207364257U CN 207364257 U CN207364257 U CN 207364257U CN 201721434300 U CN201721434300 U CN 201721434300U CN 207364257 U CN207364257 U CN 207364257U
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- shift
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- driven gear
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Abstract
Shift system applied to small displacement fuel engines gearbox and electric shift case,Including gear box casing,The input shaft being connected with gear box casing,Jackshaft,Reverse gear idler shaft,Reverse speed shift rod,High and low shift shift fork axle,Shift cam axis,The idler shaft that reverses gear is equipped with the idle pulley that reverses gear,Reverse speed shift rod is equipped with reverse speed fork,Shift cam axis is equipped with shift cam,High and low shift shift fork axle is equipped with high and low shift shift fork,Input shaft is equipped with high-grade sliding tooth,Low-grade sliding tooth,Reverse gear tooth,Parking ratchet wheel,Main deceleration driving gear,Main deceleration driving gear is engaged with main deceleration driven gear,Jackshaft is equipped with high and low shift synchronizer,High-grade driven gear,Low-grade driven gear,Synchronizing tooth ring is equipped between high and low shift synchronizer and high-grade driven gear,High and low shift synchronizer is equipped with reverse gear,Main deceleration driving gear is arranged on the outside of low-grade driven gear,High-grade driven gear is often engaged with high-grade sliding tooth,Low-grade driven gear is often engaged with low-grade sliding tooth.
Description
Technical field
Technical field of engines is the utility model is related to, more particularly to one kind is applied to small displacement fuel engines gearbox
And the shift system of electric shift case.
Background technology
The emphasis that new-energy automobile develops as current national strategy, very fast development was achieved into several years, existing
In technology, although electric car possesses electrodeless variable-speed function, some only have one grade of deceleration, there are the problem of be difficult adapt to climbing,
The working condition requirements such as heavy duty, even if reaching requirement is also using high current, sacrifices battery life and course continuation mileage as cost.Emphasis solution
The certainly bottleneck problem of passenger car power assembly, particularly new energy pure electric vehicle passenger car, electric car, electric vehicle for logistics, and
Special vehicle (such as dock tractor), scenic spot car, taxi industry passenger car, speed is adjusted than defeated according to operating mode difference
The gearbox gone out becomes the key to solve the problem.
Utility model content
The purpose of this utility model is exactly to solve the above problem existing in the prior art, there is provided a kind of to be applied to small displacement
The shift system of fuel engines and electric shift case；The utility model gear shifting structure is compact, and more gear gearshifts only need to drive
The rotation of one component can be achieved；Employ automobile variable speed gear box to combine by way of synchronizer combination, make gear knot
Conjunction more smoothes out, and gear impact is small.
The utility model solve technical problem technical solution be：
A kind of shift system applied to small displacement fuel engines gearbox and electric shift case, including transmission housing
Body, the input shaft being connected with gear box casing, jackshaft, the idler shaft that reverses gear, reverse speed shift rod, high and low shift shift fork axle, shift are convex
Wheel shaft, the idler shaft that reverses gear are equipped with the idle pulley that reverses gear, and reverse speed shift rod is equipped with reverse speed fork, and it is convex that shift cam axis is equipped with shift
Wheel, high and low shift shift fork axle are equipped with high and low shift shift fork, and input shaft is equipped with high-grade sliding tooth, low-grade sliding tooth, the tooth that reverses gear, parking
Ratchet, main deceleration driving gear, main deceleration driving gear are engaged with main deceleration driven gear, main deceleration driven gear and rear portion
Slow down, box of tricks connection, jackshaft is equipped with high and low shift synchronizer, high-grade driven gear, low-grade driven gear, and high and low shift is same
Walk device to be located between high-grade driven gear and low-grade driven gear, be equipped between high and low shift synchronizer and high-grade driven gear synchronous
Ring gear, high and low shift synchronizer are equipped with reverse gear, and parking ratchet wheel is arranged on the outside of high-grade driven gear, and main deceleration driving gear is set
On the outside of low-grade driven gear, high-grade driven gear is often engaged with high-grade sliding tooth, and low-grade driven gear and low-grade sliding tooth are normal
Engagement.
The top grade sliding tooth, low-grade sliding tooth, reverse gear tooth and input shaft is structure as a whole.
The high and low shift synchronizer carries internal spline, and external splines, the internal spline and jackshaft of high and low shift are carried on jackshaft
External splines coordinate.
The top grade driven gear, the endoporus of low-grade driven gear pass through needle bearing and middle axis connection.
The beneficial effects of the utility model：
1. the utility model combines the compact of shift and smooth gear shifting well, pass through cam rotation band
Gearshift is realized in dynamic shift fork axial movement, and multiple gears only need an operating mechanism it is achieved that the automobile gearbox that compares
Gearshift, more compact structure；Employ automobile variable speed gear box to combine by way of synchronizer combination, combine gear
More smooth out, gear impact is small.The less height of speed reducing ratio can be shifted to when being exercised on level road by being seen using the utility model after structure
Gear, then shifts to moment of torsion larger low-grade location when need to climbing, electric automobile is travelled always in constant current, reduces energy consumption,
Solve the problems, such as that batteries of electric automobile short life, course continuation mileage are short, climbing capacity is poor.
2. the utility model combines the advantages of automobile gearbox and motorcycle gear box gear shifting structure, by two kinds of gearboxes
Gearshift advantage be effectively combined together so that the more traditional electric shift box structure of the utility model is more compact, driving it is simpler
Just.
Brief description of the drawings
Fig. 1 is the structure diagram of utility model.
Fig. 2 is the echelon sectional view of Fig. 1.
Embodiment
The utility model in order to better understand, explains in detail the embodiment of the utility model below in conjunction with the accompanying drawings.
Such as Fig. 1, shown in Fig. 2, a kind of shift system applied to small displacement fuel engines gearbox and electric shift case,
Including gear box casing, the input shaft 12 being connected with gear box casing, jackshaft 9, the idler shaft 2 that reverses gear, reverse speed shift rod 20, height
Low-grade shift fork axle 5, shift cam axis 21, the idler shaft 2 that reverses gear are equipped with the idle pulley 1 that reverses gear, and reverse speed shift rod 20 is dialled equipped with reverse gear
Fork 3, shift cam axis 21 is equipped with shift cam 4, and high and low shift shift fork axle 5 is equipped with high and low shift shift fork 6, and input shaft 12 is equipped with
High-grade sliding tooth 14, low-grade sliding tooth 11, the tooth 13 that reverses gear, parking ratchet wheel 16, main deceleration driving gear 19, main deceleration driving gear
19 engage with main deceleration driven gear 18, and the deceleration at main deceleration driven gear 18 and rear portion, box of tricks are connected, on jackshaft 9
Equipped with high and low shift synchronizer 7, high-grade driven gear 8, low-grade driven gear 10, high and low shift synchronizer 7 is located at high-grade driven gear 8
Between low-grade driven gear 10, synchronizing tooth ring is equipped between high and low shift synchronizer 7 and high-grade driven gear 8, high and low shift is synchronous
Device 7 is equipped with reverse gear, and parking ratchet wheel 16 is arranged on the high-grade outside of driven gear 8, main deceleration driving gear 19 be arranged on it is low-grade from
The outside of moving gear 10, high-grade driven gear 8 are often engaged with high-grade sliding tooth 14, and low-grade driven gear 10 and low-grade sliding tooth 11 are normal
Engagement.
The top grade sliding tooth 14, low-grade sliding tooth 11, the tooth 13 that reverses gear are structure as a whole with input shaft 12.
The high and low shift synchronizer 7 carries internal spline, and external splines, the internal spline and jackshaft of high and low shift are carried on jackshaft
External splines coordinate.
The top grade driven gear 8, the endoporus of low-grade driven gear 10 pass through needle bearing 15 and middle axis connection.
The course of work of the utility model：
Power is inputted by input shaft 12, passes through main deceleration driven gear after the shift system speed-variable of the utility model
18 are transferred to the deceleration at rear portion or box of tricks.When in neutral gear position, reverse gear idle pulley 1 not with high and low shift synchronizer 7
Reverse gear tooth contact, high and low shift synchronizer 7 is in high-grade driven gear 8 and low-grade 10 centre position of driven gear, high and low shift synchronizer 7
With internal spline, it is engaged with the spline on jackshaft 9, is rotated together with jackshaft 9 all the time, high-grade driven gear 8 and low grade
10 endoporus of driven gear is cased with needle bearing 15 and is sleeved on jackshaft, can be freely rotated on jackshaft 9, high-grade driven gear
8 often engage with the high-grade sliding tooth 14 on input shaft 12, and low-grade driven gear 10 and the low-grade sliding tooth 11 on input shaft 12 are normal
Engagement, high-grade sliding tooth 14, low-grade sliding tooth 11, the tooth 13 that reverses gear are integral with input shaft 12, when rotating clockwise certain angle
Degree, the axial location of back fork 3 is motionless, and high and low shift shift fork 6 moves right vertically, while drive high and low shift synchronizer 7 to
Move right, to certain position, high and low shift synchronizer 7 is combined with high shelves gear 8, and high shelves gear 8 is by high and low shift synchronizer 7 with
Countershaft 9 combines, and drives jackshaft to rotate；Continue to rotate clockwise certain angle, high and low shift shift fork 6 can vertically to the left
It is mobile, drive high and low shift synchronizer 7 to be moved to position and the combination of low regime clutch 10, at this time low regime clutch 10 and 9 knot of jackshaft
It is combined together, and drives jackshaft to rotate together, high shelves gear 8 is disengaged with jackshaft；Rotated counterclockwise from neutral gear position certain
Angle, 6 axial location of high and low shift shift fork is motionless, and back fork 3 moves right vertically, and drives the idle pulley 1 that reverses gear to move right,
And combined with the reverse gear on synchronizer, realization is reversed gear.
Although above-mentioned be described the embodiment of utility model with reference to attached drawing, not to the utility model
The limitation of protection domain, on the basis of the technical solution of the utility model, those skilled in the art need not pay creativeness
The various modifications that can be made of working or deformation are still within the scope of the present invention.
Claims (5)
1. a kind of shift system applied to small displacement fuel engines gearbox and electric shift case, it is characterized in that, including become
Fast tank shell, the input shaft being connected with gear box casing, jackshaft, the idler shaft that reverses gear, reverse speed shift rod, high and low shift shift fork axle,
Shift cam axis, the idler shaft that reverses gear are equipped with the idle pulley that reverses gear, and reverse speed shift rod is equipped with reverse speed fork, and shift cam axis is equipped with
Shift cam, high and low shift shift fork axle are equipped with high and low shift shift fork, and input shaft is equipped with high-grade sliding tooth, low-grade sliding tooth, reverses gear
Tooth, parking ratchet wheel, main deceleration driving gear, main deceleration driving gear are engaged with main deceleration driven gear, main deceleration driven gear
Deceleration, box of tricks with rear portion are connected, and jackshaft is equipped with high and low shift synchronizer, high-grade driven gear, low-grade driven gear,
High and low shift synchronizer is located between high-grade driven gear and low-grade driven gear, between high and low shift synchronizer and high-grade driven gear
Equipped with synchronizing tooth ring, high and low shift synchronizer is equipped with reverse gear, and parking ratchet wheel is arranged on the outside of high-grade driven gear, main master of slowing down
On the outside of low-grade driven gear, high-grade driven gear often engages moving gear with high-grade sliding tooth, low-grade driven gear and low grade
Sliding tooth often engages.
2. the shift system applied to small displacement fuel engines gearbox and electric shift case as claimed in claim 1, its
It is characterized in, the top grade sliding tooth, low-grade sliding tooth, reverse gear tooth and input shaft is structure as a whole.
3. the shift system applied to small displacement fuel engines gearbox and electric shift case as claimed in claim 1, its
It is characterized in, the high and low shift synchronizer carries internal spline, carries external splines on jackshaft, the internal spline of high and low shift and jackshaft
External splines coordinates.
4. the shift system applied to small displacement fuel engines gearbox and electric shift case as claimed in claim 1, its
It is characterized in, the number of teeth of the unnecessary gearshift driving gear of the number of teeth for driven gear of shifting gears.
5. the shift system applied to small displacement fuel engines gearbox and electric shift case as claimed in claim 1, its
It is characterized in, the top grade driven gear, the endoporus of low-grade driven gear pass through needle bearing and middle axis connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721434300.6U CN207364257U (en) | 2017-10-31 | 2017-10-31 | Shift system applied to small displacement fuel engines gearbox and electric shift case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721434300.6U CN207364257U (en) | 2017-10-31 | 2017-10-31 | Shift system applied to small displacement fuel engines gearbox and electric shift case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207364257U true CN207364257U (en) | 2018-05-15 |
Family
ID=62344829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721434300.6U Active CN207364257U (en) | 2017-10-31 | 2017-10-31 | Shift system applied to small displacement fuel engines gearbox and electric shift case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207364257U (en) |
-
2017
- 2017-10-31 CN CN201721434300.6U patent/CN207364257U/en active Active
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