CN206017657U - A kind of two shift transmissions - Google Patents
A kind of two shift transmissions Download PDFInfo
- Publication number
- CN206017657U CN206017657U CN201620853722.6U CN201620853722U CN206017657U CN 206017657 U CN206017657 U CN 206017657U CN 201620853722 U CN201620853722 U CN 201620853722U CN 206017657 U CN206017657 U CN 206017657U
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- gear
- driving shaft
- differential mechanism
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- power transmission
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Abstract
A kind of two shift transmissions, which includes that casing, the first power transmission shaft, second driving shaft, lock unit and differential mechanism, the first power transmission shaft, second driving shaft and differential mechanism are respectively arranged in casing, the first power transmission shaft and second driving shaft interval setting；First driving sleeve is provided with first gear and the second gear with first gear interval, second driving shaft is arranged with the 3rd gear engaged with first gear and the 4th gear engaged with second gear, and second driving shaft is provided with the 5th gear coordinated with differential mechanism；Lock unit is arranged between the 3rd gear and the 4th gear.Power is transmitted separately to two wheels by two semiaxis by differential mechanism, and variator is only with two axles and five gears, its simple structure, small volume.
Description
Technical field
This utility model is related to variator field, in particular to a kind of two shift transmission.
Background technology
The rotating speed of electromotor and change in torque scope are less, and complicated use condition needs driving force and the speed of electromotor
Can change in the larger context, this needs arranges variator in drive system.
Variator is the mechanism for changing rotating speed from electromotor and torque, and it can change output shaft and input shaft
Gear ratio, variator are also called change speed gear box.Variator is made up of variable transmission mechanism and operating mechanism.
Variator is acted on：First, change gear ratio, increase the excursion of drive wheel torque and rotating speed, when driven
When relation between the number of teeth of gear and the number of teeth of driving gear changes, ratio changing is constant in engine speed
In the case of, the rotating speed of output shaft changes, i.e., the rotating speed of wheel changes, a pair of pitch wheels, and in use, the number of teeth will not become
Change, therefore its gear ratio is changeless, equipped with the gear that multiple numbers of teeth are different on input shaft, equipped with right on output shaft
Answer the gear of the number of teeth, it is possible to obtain the different variator of one group of gear ratio.Second, it is possible to use neutral interrupts the power of electromotor
Transmission, so that electromotor starting, idle running, and variator can be shifted gears.Variator is the important of drive system
Device, rational design can make full use of the power and moment of torsion of electromotor and also can reduce oil consumption.Existing variator
The disadvantage is that, complex structure and volume is larger.
Utility model content
The purpose of this utility model is to provide a kind of two shift transmission, its simple structure and small volume.
Embodiment of the present utility model is realized in：
A kind of two shift transmissions, which includes casing, the first power transmission shaft, second driving shaft, engagement device and differential mechanism, the
One power transmission shaft, second driving shaft and differential mechanism are respectively arranged in casing, the first power transmission shaft and second driving shaft interval setting；The
One driving sleeve is provided with first gear and the second gear with first gear interval, and second driving shaft is arranged with and first gear
3rd gear and the 4th gear engaged with second gear of engagement, second driving shaft are provided with the 5th coordinated with differential mechanism
Gear；Engagement device is arranged between the 3rd gear and the 4th gear.
In this utility model preferred embodiment, the first gear of above-mentioned two shift transmission and the gear ratio of the 3rd gear
For the first gear ratio, second gear is the second gear ratio with the gear ratio of the 4th gear, and the first gear ratio is more than the second gear ratio.
In this utility model preferred embodiment, the first gear ratio of above-mentioned two shift transmission is more than one, the second transmission
Than being equal to or less than one.
In this utility model preferred embodiment, the differential mechanism of above-mentioned two shift transmission includes the 6th gear, the 6th tooth
Wheel is engaged with the 5th gear.
In this utility model preferred embodiment, the reference diameter of the 6th gear of above-mentioned two shift transmission is more than the
The reference diameter of five gears.
In this utility model preferred embodiment, the differential mechanism of above-mentioned two shift transmission includes differential carrier and setting
Planetary gear in differential carrier.
In this utility model preferred embodiment, the differential mechanism of above-mentioned two shift transmission is connected to two semiaxis.
In this utility model preferred embodiment, the second driving shaft of above-mentioned two shift transmission is splined shaft, the 5th tooth
Wheel is sheathed on second driving shaft and the rotation of the 5th gear is synchronous with the rotation of second driving shaft.
In this utility model preferred embodiment, the two ends of the first power transmission shaft of above-mentioned two shift transmission, the second transmission
The two ends of the two ends of axle and differential mechanism are connected to casing by bearing respectively.
In this utility model preferred embodiment, above-mentioned two shift transmission also includes that manipulation device, manipulation device include
The selector fork coordinated with engagement device and the shift fork axle for being connected to selector fork.
The beneficial effect of this utility model embodiment is：First power transmission shaft passes through first gear and second gear by electromotor
Power or moment of torsion transmit to second driving shaft, power is passed through by second driving shaft by power transmission to differential mechanism, differential mechanism again
Two semiaxis are transmitted separately to two wheels, so as to variator outputs power to wheel and driving moment rotation.Due to
One power transmission shaft is only provided with two gears, second driving shaft and is provided with three gears, width i.e. first transmission of two shift transmissions
Axle or the distance of second driving shaft；As the first power transmission shaft, second driving shaft and differential mechanism line up three rows, the length of two shift transmissions
Degree is i.e. from the first power transmission shaft to the distance of differential mechanism.So as to, only with two axles and five gears, its structure is simple for two shift transmissions
Single, small volume.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below will be to using needed for embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the vertical view cutaway drawing of two shift transmission of the present utility model；
Fig. 2 is the top view of two shift transmission of the present utility model；
Fig. 3 is the side view cutaway drawing of two shift transmission of the present utility model；
Fig. 4 is the schematic perspective view of two shift transmission of the present utility model；
Fig. 5 is another schematic perspective view of two shift transmission of the present utility model.
In figure：
Two shift transmissions 100, the first power transmission shaft 110, first gear 111, second gear 112, second driving shaft 120, the
Three gears 123, the 4th gear 124, the 5th gear 125, casing 130, engagement device 140, clutch 141, clutch cover 142 are poor
Fast device 150, differential shell 151, planetary gear 152, axle shaft gear 153, the 6th gear 156, manipulation device 160, selector fork
161, shift fork axle 162.
Specific embodiment
Purpose, technical scheme and advantage for making this utility model embodiment is clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described to the technical scheme in this utility model embodiment, it is clear that retouched
The embodiment that states is a part of embodiment of this utility model, rather than whole embodiments.Generally described in accompanying drawing herein and
The component of this utility model embodiment for illustrating can be arranged and be designed with a variety of configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the present utility model for providing in the accompanying drawings below
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.In based on this utility model
Embodiment, the every other embodiment obtained under the premise of creative work is not made by those of ordinary skill in the art, all
Belong to the scope of this utility model protection.
It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then in subsequent accompanying drawing which further need not be defined and be explained.
In description of the present utility model, it should be noted that term " " center ", " on ", D score, "left", "right", " perpendicular
Directly ", the orientation of instruction such as " level ", " interior ", " outward " or position relationship be based on orientation shown in the drawings or position relationship, or
The utility model product using when the orientation usually put or position relationship, be for only for ease of description this utility model and letter
Change description, rather than indicate or the device or element of hint indication must have specific orientation, with specific azimuth configuration and
Manipulate, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " etc. are only used for area
Divide description, and it is not intended that indicating or hint relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets
Put ", should be interpreted broadly " installation ", " connection ", for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in this utility model.
First embodiment
Fig. 1 to Fig. 5 is refer to, the present embodiment provides a kind of two shift transmission 100, and which includes casing 130, the first power transmission shaft
110th, second driving shaft 120 and engagement device 140,120 interval setting of the first power transmission shaft 110 and second driving shaft, first passes
Moving axis 110 and second driving shaft 120 are respectively arranged at casing 130, are provided with first gear 111 and on the first power transmission shaft 110
Two gears 112, are provided with the 3rd gear 123 and the 4th gear 124 on second driving shaft 120, second driving shaft 120 is additionally provided with
The 5th gear 125 coordinated with differential mechanism 150, engagement device 140 are arranged between the 3rd gear 123 and the 4th gear 124.
First power transmission shaft 110 is input shaft, and the two ends of the first power transmission shaft 110 are respectively by two bearing (not shown) connections
To casing 130.First gear 111 and second gear 112, first gear 111 and second gear is provided with first power transmission shaft 110
112 is spaced, and first gear 111 and second gear 112 are rotated with the first power transmission shaft 110.
The two ends of second driving shaft 120 are connected to casing 130 by two bearing (not shown) respectively.Second driving shaft
120 are provided with the 3rd gear 123 and the 4th gear 124, and the 3rd gear 123 is engaged with first gear 111, the 4th gear 124 with
Second gear 112 is engaged, the 3rd gear 123 and the three or four gear interval setting.Between 3rd gear 123 and the 4th gear 124
Engagement device 140 is provided with, second driving shaft 120 is splined shaft.The 5th gear 125 is additionally provided with second driving shaft 120, the
Five gears 125 are arranged at the side of the 4th gear 124, the 5th gear 125 and 120 synchronous axial system of second driving shaft.
Engagement device 140 is additionally provided with second driving shaft 120, and engagement device 140 includes being sheathed on second driving shaft 120
On clutch 141 and the clutch cover 142 coordinated with clutch 141, clutch 141 can be axially slided on clutch cover 142
Dynamic.Engagement device 140 is arranged between the 3rd gear 123 and the 4th gear 124.Clutch 141 has internal spline, the 3rd gear
123 and the 4th gear 124 be respectively provided with inner flower-key coordinate external splines, when clutch 141 and the external splines of the 3rd gear 123
During cooperation, the 3rd gear 123 and 120 synchronous axial system of second driving shaft, when clutch 141 is matched somebody with somebody with the external splines of the 4th gear 124
During conjunction, the 4th gear 124 and 120 synchronous axial system of second driving shaft.It should be understood that engagement device 140 can be lock unit.Lock unit
It is a kind of clutch collar gearshift for having installed synchronizer additional, the effect of synchronizer is variator is not connect in gearshift
The impact of tooth is closed, lock unit can be constant load synchronizer, inertial type of synchronizer or voluntarily boosting-type lock unit, and lock unit is also
Can be clutch collar or other types of attachment means.
Vehicle path of wheel when turning round is circular arc, if vehicle is turned to the left, the central point of circular arc in left side, in phase
In the same time, the camber line that right-hand wheel is walked is longer than left-hand wheel, slow it is necessary to left side wheel in order to balance this difference,
The right wheel is quicker, can make two wheels that two semiaxis drive that can there is different turning respectively by differential mechanism 150
Speed is making up the difference of distance.
Differential mechanism 150 includes that the 6th gear 156, the 6th gear 156 are engaged with the 5th gear 125, and the 5th gear 125 is by
The rotation of two power transmission shafts 120 is transferred to the 6th gear 156, and the 6th gear 156 drives differential mechanism 150, differential mechanism 150 to include differential
150 shell of device and the planetary gear 152 of 150 shell of differential mechanism is arranged at, differential mechanism 150 is provided with axle shaft gear 153, axle shaft gear
153 are connected to two semiaxis, are exported the rotation of the 6th gear 156 to two wheels respectively by two semiaxis respectively.So as to,
The input of variator is transmitted separately to two wheels by two semiaxis.
Differential mechanism 150 also includes differential shell 151 and the planetary gear 152 being arranged in differential shell 151, planetary gear 152
Rotation and revolution the wheel that two semiaxis drive can be allowed to have speed difference.The power of electromotor is through the first transmission
Axle 110 is transferred to second driving shaft 120, then by the 125 incoming differential mechanism 150 of the 5th gear of second driving shaft 120.Work as vehicle
During straight trip, left and right wheel is equal with the rotating speed of planetary wheel carrier three in poised state, three's poised state when automobile turning
Destroyed, cause inner side wheel speed to reduce, outside wheel speed increases.It should be understood that electromotor, motor, hybrid power can be passed through
And power is input into the first power transmission shaft 110 of two shift transmissions 100 by other power sources.
First power transmission shaft 110 is connected with electromotor, and electromotor outputs power to the first power transmission shaft 110, the first power transmission shaft
110 are transmitted power to second driving shaft 120 by first gear 111 and second gear 112, and second driving shaft 120 is by power
Differential mechanism 150 is driven to, power is transmitted separately to two wheels by two semiaxis by differential mechanism 150 again, so as to variator will
Power output is to wheel and driving moment is rotated.
One end of first power transmission shaft 110 is connected to the output of electromotor, and the other end of the first power transmission shaft 110 is by bearing
In the dead eye for holding, bearing is installed on casing 130.First gear 111 and second gear 112 are made with the first power transmission shaft 110 respectively
Integral, 110 synchronous axial system of first gear 111 and second gear 112 and the first power transmission shaft, first gear 111 and the 3rd gear
123 constitute constant mesh gear pair, and second gear 112 and the 4th gear 124 constitute constant mesh gear pair.5th gear 125 and
Two power transmission shafts 120 are formed integrally, the 5th gear 125 and 120 synchronous axial system of second driving shaft.3rd gear 123 and the 4th gear
124 are press-fitted on second driving shaft 120, and the two ends of second driving shaft 120 are respectively supported in dead eye, 123 He of the 3rd gear
4th gear 124 is driven gear, and the 3rd gear 123 and 124 empty set of the 4th gear are on second driving shaft 120.
Two shift transmissions 100 also include that manipulation device 160, manipulation device 160 include gear lever (not shown), selector fork
161st, shift fork axle 162.The two ends of shift fork axle 162 are supported in the respective aperture of casing 130, and shift fork axle 162 is fixed, selector fork
161 are sheathed in shift fork axle 162 and can slide axially in shift fork axle 162, and the other end connection of selector fork 161
To clutch 141.When mobile gear lever is shifted gears, shift fork drives the 3rd gear 123 of clutch 141 and second driving shaft 120
External splines coordinate, or shift fork drives clutch 141 and the external splines of the 4th gear 124 of second driving shaft 120 to coordinate, or
Person's clutch 141 is in an intermediate position not to be coordinated with the 3rd gear 123 and is not also coordinated with the 4th gear 124.By operating parts
The process of operation selector fork 161 refer to patent CN201587327U.
As described above, clutch 141 can slide axially on clutch cover 142.When clutch 141 centrally located
When, two shift transmissions 100 are in neutral gear position, clutch 141 do not coordinate with the 3rd gear 123 also not with the 4th gear 124
Coordinate, when the first power transmission shaft of engine driving 110 rotates, the first power transmission shaft 110 drives the 3rd gear by first gear 111
123 rotations, and the first power transmission shaft 110 drives the 4th gear 124 to rotate by second gear 112, due to 123 He of the 3rd gear
4th gear 124 is driven gear, the 3rd gear 123 and the 4th gear 124 respectively with the first power transmission shaft 110 rotation and
Dally on two power transmission shafts 120, therefore second driving shaft 120 can not be driven.
When the external splines of clutch 141 and the 3rd gear 123 coordinates, the 3rd gear 123 is synchronous with second driving shaft 120
Rotate, power is transferred to the 3rd gear 123 from the first power transmission shaft 110 by first gear 111, then passes through second driving shaft 120
The 5th gear 125 transfer a torque to differential mechanism 150, differential mechanism 150, by two semiaxis, moment of torsion is transferred to two respectively
Wheel.Now, the gear of two shift transmissions 100 is in bottom gear.
When clutch 141 and the 4th gear 124 coordinate, the 4th gear 124 and 120 synchronous axial system of second driving shaft are moved
Power is transferred to second driving shaft 120, then pass through second driving shaft 120 the 5th from the first power transmission shaft 110 by the 3rd gear 123
Gear 125 transfers a torque to differential mechanism 150, and moment of torsion is driven to two wheels respectively by two semiaxis again for differential mechanism 150.
Now, the gear of two shift transmissions 100 is in top gear.
When the external splines of clutch 141 and the 3rd gear 123 coordinates, the 3rd gear 123 drives 120 turns of second driving shaft
Dynamic, the 5th gear 125 being formed integrally with second driving shaft 120 is rotated, so as to the 5th gear 125 is by second driving shaft 120
Moment of torsion is transferred to differential mechanism 150.When the external splines of clutch 141 and the 4th gear 124 coordinates, the 4th gear 124 drives the
Two power transmission shafts 120 are rotated, and the 5th gear 125 being formed integrally with second driving shaft 120 is rotated, so as to the 5th gear 125 is by
The moment of torsion of two power transmission shafts 120 is transferred to differential mechanism 150, and moment of torsion is transferred to vehicle by two semiaxis by differential mechanism 150 again.This
When, the gear of two shift transmissions 100 is in bottom gear.
The gear ratio of first gear 111 and the 3rd gear 123 is referred to as the first gear ratio, second gear 112 and the 4th gear
124 gear ratio is referred to as the second gear ratio, and the first gear ratio is more than the second gear ratio.The reference diameter of first gear 111 is remote
Much smaller than the reference diameter of the 3rd gear 123, the reference diameter of second gear 112 is close to the reference circle of the 4th gear 124
Diameter.So as to the first gear ratio forms the bottom gear of two shift transmissions 100, the second gear ratio forms the height of two shift transmissions 100
Speed gear.It should be understood that the first gear ratio can be transmitted to the moment of torsion of two shift transmissions 100 with increasing electromotor more than one；Second passes
Dynamic ratio can be equal to one or increase the rotating speed raising of the output of two shift transmission 100 more than one, and the second gear ratio is equal to the gear for the moment
Position is referred to as direct gear, and the second gear ratio is referred to as overgear less than for the moment gear, if second be driven when engine power is higher
Than being less than one, overgear is mainly used in the occasion that in good road surface underloading or empty wagons drive, the rotating speed of wheel larger with
Improve speed and improve the fuel economy of vehicle.
As the first power transmission shaft 110 is only provided with two gears, i.e. first gear 111 and second gear 112, the second transmission
Axle 120 is provided with three gears, i.e. the 3rd gear 123, the 4th gear 124 and the 5th gear 125, the width of two shift transmissions 100
Degree is the distance of the first power transmission shaft 110 or second driving shaft 120.The first power transmission shaft 110, second due to two shift transmissions 100
Three rows lined up by power transmission shaft 120 and differential mechanism 150, and the length of two shift transmissions 100 is i.e. from the first power transmission shaft 110 to differential mechanism 150
Distance.In the present embodiment, two shift transmissions 100 are only with two axles and five gears, its small volume.
In order to reduce parts depreciation and the power attenuation that internal friction causes, two shift transmissions 100 are additionally provided with lubricating system
(not shown), injects lubricating oil, the work for lubricating each gear pair, axle and bearing using splash lubrication mode in casing 130
Surface.So as to there is bleeder plug, fuel head to pass through oil filler control for the bottom that the side of casing 130 has oil filler, casing 130
System.Radially oil is provided with first gear 111, second gear 112, the 3rd gear 123, the 4th gear 124 and the 5th gear 125
Hole, so as to the bearing at lubrication place position.
In order to prevent lubricating oil from injecting other parts from the gap between the first power transmission shaft 110 and bearing cap, can be in axle
Hold in lid and oil-sealing arrangement is installed, oil-recovery tank is provided with bearing cap endoporus, can prevent oil leak.Can be in the first power transmission shaft 110
Two bearings oil-sealing arrangements are set, and oil-sealing arrangements can be set in the two of second driving shaft 120 bearings.Can be each
Load gasket seal between individual bearing cap, bonnet, upper lid, the faying face of front and rear housings, and apply fluid sealant, in case leak-stopping is oily.In order to
When preventing transmission duty due to oil temperature, pressure rise and cause the seepage of lubricating oil, courage plug can be installed on bearing cap.
It should be understood that 125 points of first gear 111, second gear 112, the 3rd gear 123, the 4th gear 124 and the 5th gear
Can not be straight-tooth gear or angular gear, when two shift transmissions 100 are using lock unit and engagement gearbox, can be biography
Moving gear makes the helical gear of engagement, such that it is able to reduce noise during transmission duty, and can reduce the chi of variator
Very little, the service life of gear can also be improved.
In sum, the first power transmission shaft 110 of two shift transmission 100 of the present utility model be only provided with two gears,
Two power transmission shafts 120 are provided with three gears, and the width of two shift transmissions 100 is the first power transmission shaft 110 or second driving shaft 120
Distance；As three rows lined up by the first power transmission shaft 110, second driving shaft 120 and differential mechanism 150, the length of two shift transmissions 100 is
From the first power transmission shaft 110 to the distance of differential mechanism 150.So as to, two shift transmissions 100 are only with two axles and five gears, its
Simple structure, small volume.
Preferred embodiment of the present utility model is the foregoing is only, this utility model is not limited to, for this
For the technical staff in field, this utility model can have various modifications and variations.All of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements that is made etc. are should be included within protection domain of the present utility model.
Claims (10)
1. a kind of two shift transmission, it is characterised in that it include casing, the first power transmission shaft, second driving shaft, engagement device and
Differential mechanism, first power transmission shaft, the second driving shaft and the differential mechanism are respectively arranged in the casing, and described first
Power transmission shaft and the second driving shaft interval setting；First driving sleeve be provided with first gear and with the first gear
The second gear at interval, the second driving shaft are arranged with the 3rd gear that engages with the first gear and with described second
4th gear of gear engagement, the second driving shaft are provided with the 5th gear coordinated with differential mechanism；The engagement device sets
It is placed between the 3rd gear and the 4th gear.
2. two shift transmission according to claim 1, it is characterised in that the biography of the first gear and the 3rd gear
Dynamic ratio is the first gear ratio, and the second gear is the second gear ratio with the gear ratio of the 4th gear, first transmission
Than being more than second gear ratio.
3. two shift transmission according to claim 2, it is characterised in that first gear ratio is more than, described second
Gear ratio is equal to or less than one.
4. two shift transmission according to claim 1, it is characterised in that the differential mechanism includes the 6th gear, described
Six gears are engaged with the 5th gear.
5. two shift transmission according to claim 4, it is characterised in that the reference diameter of the 6th gear is more than institute
State the reference diameter of the 5th gear.
6. two shift transmission according to claim 4, it is characterised in that the differential mechanism includes differential carrier and setting
Planetary gear in differential carrier.
7. two shift transmission according to claim 4, it is characterised in that the differential mechanism is connected to two semiaxis.
8. two shift transmission according to claim 1, it is characterised in that the second driving shaft is splined shaft, described
Five geared sleeves are synchronous with the rotation of the second driving shaft located at the rotation of the second driving shaft and the 5th gear.
9. two shift transmission according to claim 1, it is characterised in that two ends of first power transmission shaft, described second
The two ends of the two ends of power transmission shaft and the differential mechanism are connected to the casing by bearing respectively.
10. two shift transmission according to claim 1, it is characterised in that two shift transmission also includes manipulation device,
The manipulation device includes the selector fork coordinated with the engagement device and the shift fork axle for being connected to the selector fork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620853722.6U CN206017657U (en) | 2016-08-08 | 2016-08-08 | A kind of two shift transmissions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620853722.6U CN206017657U (en) | 2016-08-08 | 2016-08-08 | A kind of two shift transmissions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206017657U true CN206017657U (en) | 2017-03-15 |
Family
ID=58247018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620853722.6U Active CN206017657U (en) | 2016-08-08 | 2016-08-08 | A kind of two shift transmissions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206017657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591399A (en) * | 2018-06-07 | 2018-09-28 | 保定市信达车桥配件制造有限公司 | Speed-changeable electric vehicle driving axis |
-
2016
- 2016-08-08 CN CN201620853722.6U patent/CN206017657U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591399A (en) * | 2018-06-07 | 2018-09-28 | 保定市信达车桥配件制造有限公司 | Speed-changeable electric vehicle driving axis |
| CN108591399B (en) * | 2018-06-07 | 2023-11-03 | 保定市信达车桥配件制造有限公司 | Driving axle assembly of variable-speed electric vehicle |
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