CN202545727U - Shifting differential system for electromobile - Google Patents
Shifting differential system for electromobile Download PDFInfo
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- CN202545727U CN202545727U CN2012200449939U CN201220044993U CN202545727U CN 202545727 U CN202545727 U CN 202545727U CN 2012200449939 U CN2012200449939 U CN 2012200449939U CN 201220044993 U CN201220044993 U CN 201220044993U CN 202545727 U CN202545727 U CN 202545727U
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Abstract
The utility model discloses a shifting differential system for an electromobile. a left wheel shaft (1) is sleeved with a left locating sleeve (3) outside; a right wheel shaft (2) is sleeved with a right locating sleeve (4) outside; the left locating sleeve (3) or/and the right locating sleeve (4) is/are provided with a power device (9)/power devices (9); an output shaft/output shafts of the power device (9)/power devices (9) is/are connected with a driving shaft of a shifting mechanism; and a differential driving gear of a driven shaft of the shifting mechanism is engaged with a differential driven gear (10) arranged on a rotating casing (6) of a differential mechanism. With the adoption of the shifting differential system for the electromobile, power can be output without being turned by 90 degrees; multiple powers arranged at the wheel shaft and on both sides of the differential mechanism can be output in parallel; and the motor power is simple and convenient for installing and better in reliability. According to the shifting differential system for the electromobile, the traditional bevel differential driving gear and the bevel differential driven gear are changed to cylindrical gears; and the shifting differential system for the electromobile has the advantages of easiness in processing, low cost, low noise, higher transmission efficiency and the like.
Description
Technical field
The utility model belongs to the vehicle technology field, and specifically, particularly the change in the electric motor car keeps off differential system.
Background technique
Before 100 years; The France founder Louis of RJ Reynolds Tobacco Holdings ,Inc. Reynolds just design has been created automobile differential; This differential mechanism is given transmission shaft by motor with transmission of power, and bevel gear is installed on transmission shaft, is meshed by the umbrella shape driven tooth on bevel gear and the differential mechanism rotary shell; Make power form turning to of an angle of 90 degrees and pass to the wheel shaft bevel gear, accomplish turning to differential-speed dynamic.Aforesaid way not only transmission shaft is longer, and transmission efficiency is low, and the transmission efficiency that turns to angular wheel is not high yet; The angular wheel making is more complicated than ordinary gear in addition, and volume is bigger, and cost is high; Gear is in the cantilever working state for a long time; Lateral force is big, and noise is big, installs and keeps in repair and all compare difficulty.
The model utility content
The utility model technical problem to be solved is to provide a kind of electric motor car that can effectively improve transmission efficiency to become the retaining differential system.
The technological scheme of the utility model is following: a kind of electric motor car becomes the retaining differential system; The suit left side abutment sleeve (3) in the outside of revolver axle (1); The right abutment sleeve (4) of the outside suit of right wheel shaft (2); The relative end of said left and right wheel shaft (1,2) is equipped with the driven bevel gear (5) that turns to; This is driven to turn to bevel gear (5) to be positioned at differential mechanism rotary shell (6), in differential mechanism rotary shell (6), is fixed with angular wheel driving shaft (7), is set with taper driving gear (8) on the said angular wheel driving shaft (7); This taper driving gear (8) and said driven bevel gear (5) engagement that turns to; Its key is: or/and power plant (9) are installed on the right abutment sleeve (4), the output shaft of these power plant (9) is connected with the driving shaft of gear changing mechanism at said left abutment sleeve (3), and the differential mechanism driving gear on the gear changing mechanism driven shaft is gone up the differential mechanism driven gear (10) that is provided with said differential mechanism rotary shell (6) and is meshed.
Adopt above structure, power plant directly are fixed on left abutment sleeve or/and on the right abutment sleeve, thereby be convenient to the installation of power plant, improved the reliability that power plant are installed, eliminated the unsettled unfavorable factor that causes of traditional power device; Simultaneously; Make differential mechanism driving gear and differential mechanism driven gear into cylindrical gears by traditional bevel gear; Effectively improve transmission efficiency, made the operation of electric motor car reliable more, steady, significantly reduced the space of shell gear-box in the utility model like this; Not only alleviate weight, and more helped the layout of all the other members of electric motor car.
Said gear changing mechanism comprises driving shaft (11), a retaining driving gear (12), two retaining driving gears (13), driven shaft (14), a retaining driven one-way element (15), two retaining driven single-direction and dual-direction devices (16), differential mechanism driving gear (17) and becomes retaining tank shell (18); Said change retaining tank shell (18) is an integral body with left abutment sleeve (3) and right abutment sleeve (4); In becoming retaining tank shell (18), be supported with driving shaft (11) and driven shaft (14) through bearing; Said driving shaft (11) is connected with the output shaft (9a) of power plant (9); On driving shaft (11), be set with a retaining driving gear (12) and two retaining driving gears (13); Said driven shaft (14) is parallel to driving shaft (11); Go up installation one retaining driven one-way element (15), two retaining driven single-direction and dual-direction device (16) and differential mechanism driving gears (17) at driven shaft (14); The gear of a said driven one-way element of retaining (15) and retaining driving gear (a 12) engagement, the gear of the two driven single-direction and dual-direction devices of retaining (16) and two retaining driving gear (13) engagements.
Adopt said structure, when driving shaft rotates, under the effect of driving shaft; Be solidly set on one on this driving shaft and keep off driving gear and the also rotation together of two retaining driving gears, because the gear and said of the driven one-way element of a retaining keeps off the driving gear engagement, so the driven clutch gear of a retaining rotates and the drive driven shaft rotates; Thereby make driven shaft obtain a retaining speed, at this moment, because the cam in the driven single-direction and dual-direction device of two retainings is that kink is on driven shaft; The power of the driven single-direction and dual-direction device gear of two retainings can not be directly delivered on the driven shaft; Therefore the driven single-direction and dual-direction device gear of this two retaining is under the drive of two retaining driving gears, and the driven single-direction and dual-direction device of two retainings is in the bidirectional idling state, in the time of need obtaining two retaining speed; Electromagnetic coil is cut off the power supply; The end face Ka Tai of second spline housing and the end face card decometer of the kink cam in the driven single-direction and dual-direction device of two retainings are connect, and at this moment the driven single-direction and dual-direction device gear of two retainings is in the one-way rotation bonding state, because the gear engagement of two retaining driving gears and the driven single-direction and dual-direction device of said two retainings; Two retaining driving gears drive the driven single-direction and dual-direction device of two retainings and rotate; Two keep off driven single-direction and dual-direction device drives the driven shaft rotation, and this time one, driven one-way element of retaining and the driven single-direction and dual-direction device of two retainings all drove the driven shaft rotation, because two keep off the rotating speed of the rotating speed of driven single-direction and dual-direction device greater than the driven one-way element of a retaining; Can realize finally making driven shaft obtain two retaining speed to retaining the surmounting of driven one-way element.
Next door at a said driven one-way element of retaining (15) is provided with first spline housing (19); This first spline housing (19) is set on the driven shaft (14); And can go up slippage at driven shaft (14), be provided with the Ka Tai of interlock each other at the gear of a said driven one-way element of retaining (15) and the opposite end of first spline housing (19); Next door at the said two driven single-direction and dual-direction devices of retaining (16) is provided with second spline housing (20); This second spline housing (20) is set on the driven shaft (14); And can go up slippage at driven shaft (14), also be provided with the Ka Tai of interlock each other at the gear of the said two driven single-direction and dual-direction devices of retaining (16) and the opposite end of second spline housing (20).
Because the gear of the driven one-way element of a retaining can only unidirectional delivery power; On a retaining clutch gear end face, Ka Tai is set; And the corresponding section of gear Ka Tai is provided with the spline housing of band Ka Tai again, and the spline housing of Ka Tai can make the spline housing end face realize clamping and separate with gear face towards the direction left and right sides slippage of a retaining clutch gear; When driving shaft is counter-rotational like this; Driving shaft can be given first spline housing through the gear transmission of the driven one-way element of a retaining with reverse power, makes first spline housing drive the driven shaft counterrotating, thereby realizes reversing.Two the retaining driven single-direction and dual-direction device the next door second spline housing is set, be for make two the retaining driven single-direction and dual-direction device two-way disengagement and the switching between the one-way rotation more convenient, reliable.
Said gear changing mechanism comprises driving shaft (11), duplex driving gear (21), shift fork (22), driven shaft (14), a retaining driven gear (23), two retaining driven gears (24), differential mechanism driving gear (17) and becomes retaining tank shell (18); Said change retaining tank shell (18) fixes with left abutment sleeve (3) and right abutment sleeve (4); In becoming retaining tank shell (18), be supported with driving shaft (11) and driven shaft (14) through bearing; Said driving shaft (11) is connected with the output shaft of power plant (9); Go up suit duplex driving gear (21) at driving shaft (11); This duplex driving gear (21) can be gone up slippage at driving shaft (11); And in the chute at duplex driving gear (21) middle part shift fork (22) is set, said driven shaft (14) parallels with driving shaft (11), goes up suit one retaining driven gear (23), two retaining driven gear (24) and differential mechanism driving gears (17) at driven shaft (14); A said retaining driven gear (23) can with the pinion of duplex driving gear (21), two retaining driven gears (24) can with the engagement of the gearwheel of duplex driving gear (21).
Said structure is stirred the slippage on driving shaft of duplex driving gear through shift fork; The duplex driving gear is meshed with a retaining driven gear or two retaining driven gears selectively; So that driven shaft obtains the speed of corresponding gear, not only simple and compact for structure, assembling easily and is controlled very convenient.
In order to make selecting for use of power plant more convenient, connect more reliably, said power plant (9) are motor, the output shaft (9a) of these power plant (9) is connected with the driving shaft (11) of gear changing mechanism through spline connecting sleeve (26).
On said left abutment sleeve (3) and right abutment sleeve (4), all be fixed with power plant (9) through connecting base (25), the power plant of the right and left (9) are symmetrically distributed.Transmit when above structure has realized two power, not only improved the power transmission efficiency of the utility model, and guaranteed the balance of the utility model.
Beneficial effect: the utility model need not carry out power the turning to back output of an angle of 90 degrees, can be on wheel shaft and the differential mechanism both sides a plurality of power be installed simultaneously carried out parallel output, motor power is installed simple and convenient, better reliability; The utility model makes differential mechanism driving gear and differential mechanism driven gear into cylindrical gears by traditional bevel gear, has the processing of being prone to, and cost is low, and noise is little, and transmission efficiency is advantages of higher more.
Description of drawings
Fig. 1 is embodiment 1 a structural representation.
Fig. 2 is embodiment 2 a structural representation.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further:
As shown in Figure 1, the revolver axle 1 and right wheel shaft 2 symmetric arrangement of electric motor car, the suit left side abutment sleeve 3 in the outside of revolver axle 1, revolver axle 1 is through bearing and 3 supportings of left abutment sleeve.The right abutment sleeve 4 of suit in the outside of right wheel shaft 2, right wheel shaft 2 is through bearing and 4 supportings of right abutment sleeve.The right-hand member of said revolver axle 1 stretches in the differential mechanism rotary shell 6, is provided with the driven bevel gear 5 that turns in the end of revolver axle 1 right-hand member.The left end of right wheel shaft 2 also stretches in the differential mechanism rotary shell 6, also is provided with the driven bevel gear 5 that turns in the end of right wheel shaft 2 left ends.In said differential mechanism rotary shell 6, be fixed with angular wheel driving shaft 7; This angular wheel driving shaft 7 turns between the bevel gear 5 at the driven of the right and left; On angular wheel driving shaft 7, be set with up and down two taper driving gears 8, each taper driving gear 8 all drivenly turns to bevel gear 5 engagements with two simultaneously.
As shown in Figure 1, on left abutment sleeve 3 and right abutment sleeve 4, all be fixed with power plant 9 through connecting base 25, the power plant 9 of the right and left are symmetrically distributed, and these power plant 9 are preferably motor.Between the output shaft 9a of said power plant 9 and differential mechanism rotary shell 6, be connected with gear changing mechanism; Said gear changing mechanism comprises the driven single-direction and dual-direction device of the driven one-way element of driving shaft 11, a retaining driving gear 12, two retaining driving gears 13, driven shaft 14, a retaining 15, two retainings 16, differential mechanism driving gear 17 and becomes retaining tank shell 18; Said change retaining tank shell 18 is an integral body with left abutment sleeve 3 and right abutment sleeve 4; In becoming retaining tank shell 18, be supported with driving shaft 11 and driven shaft 14 through bearing; The end of said driving shaft 11 connects with the output shaft 9a of corresponding power plant 9 through spline connecting sleeve 26, on driving shaft 11, is installed with a retaining driving gear 12 and two retaining driving gears 13.Said driven shaft 14 is parallel to driving shaft 11; The driven one-way element 15, two of one retaining is installed on driven shaft 14 is kept off driven single-direction and dual-direction device 16 and differential mechanism driving gears 17; The gear of the driven one-way element 15 of a said retaining and a retaining driving gear 12 engagements, the gear of the driven single-direction and dual-direction device 16 of two retainings and 13 engagements of two retaining driving gears.Structure and the working principle of the driven one-way element of a said retaining, the driven single-direction and dual-direction device of two retainings, are not done at this and to be given unnecessary details in disclosed technological scheme on June 15th, 2011 with reference to Chinese patent 201020619201.7.Said differential mechanism driving gear 17 is between a driven one-way element 15 of retaining and the driven single-direction and dual-direction device 16 of two retainings; The differential mechanism driven gear 10 that is provided with on this differential mechanism driving gear 17 and the differential mechanism rotary shell 6 is meshed, and differential mechanism driving gear 17 is cylindrical gears with differential mechanism driven gear 10.
From Fig. 1, further can know, one the retaining driven one-way element 15 the left side first spline housing 19 is set, this first spline housing 19 is set on the driven shaft 14, and with driven shaft 14 spline fitted.This first spline housing 19 is equipped with shift fork or electromagnetic coil, spring, and under the effect of shift fork or electromagnetic coil, spring, first spline housing 19 can slippage on driven shaft 14.Right-hand member at said first spline housing 19 is formed with a plurality of by the equally distributed Ka Tai of circumference; The left end of the gear of the driven one-way element 15 of one retaining also is provided with a plurality of Ka Tai; Ka Tai and the card platform on first spline housing 19 on the gear of the driven one-way element 15 of one retaining are suitable, can engage or throw off.As the replacement that is equal to, the gear of the driven one-way element 15 of a retaining and the opposite end of first spline housing 19 also can be provided with the interior external splines that cooperatively interacts, as long as can engage.Said two the retaining driven single-direction and dual-direction device 16 the right side second spline housing 20 is set, this second spline housing 20 is set on the driven shaft 14, and with driven shaft 14 spline fitted.This second spline housing 20 also is equipped with and can orders about its slippage electromagnetic coil 27 and spring 28 on driven shaft 14.Left end at said second spline housing 20 is formed with a plurality of by the equally distributed Ka Tai of circumference; The right-hand member of the gear of the driven single-direction and dual-direction device 16 of two retainings also is provided with a plurality of Ka Tai; Ka Tai and the card platform on second spline housing 20 on the gear of the driven single-direction and dual-direction device 16 of two retainings are suitable, can engage or throw off.
The working principle of present embodiment is following:
When power plant 9 drive driving shaft 11 rotations; Under the effect of driving shaft 11; Be solidly set on retaining driving gear 12 of one on this driving shaft 11 and the also rotation together of two retaining driving gears 13; One retaining driving gear 12 drives driven shaft 14 through the driven one-way element 15 of a retaining and rotates; Make driven shaft 14 obtain a retaining speed, the differential mechanism driving gear 17 on the driven shaft 14 is given angular wheel driving shaft 7 through differential mechanism driven gear 10 with transmission of power again, makes the taper driving gear 8 on the angular wheel driving shaft 7 give two wheel shafts 1,2 with power transmission; Meanwhile, the driven single-direction and dual-direction device 16 of two retainings is in throws off two-way free rotary state, and the driven single-direction and dual-direction device 16 of this two retaining is in idling conditions under the drive of two retaining driving gears 13.
In the time of need obtaining two retaining speed; The driven single-direction and dual-direction device 16 of two retainings is in the one-way rotation bonding state; Two retaining driving gears 13 drive the driven single-direction and dual-direction device 16 of two retainings and rotate; Two keep off driven single-direction and dual-direction device 16 drives driven shafts 14 rotations, and this time one, driven one-way element 15 of retaining and the driven single-direction and dual-direction device 16 of two retainings all drove the driven shaft rotation, because two keep off the rotating speed of the rotating speed of driven single-direction and dual-direction device 16 greater than the driven one-way element 15 of a retaining; Can realize finally making driven shaft 14 obtain two retaining speed to retaining the surmounting of driven one-way element 15.
When needs are moveed backward; Only need control power plant 9 backward rotation; And the gear of the driven one-way element 15 of a retaining engages with first spline housing 19, and electromagnetic coil 27 energisings, the elastic force that makes second spline housing 20 overcome spring 28 moves right; The cam Ka Tai of the driven single-direction and dual-direction device 16 of such two retainings separates with the second spline housing Ka Tai, and the driven single-direction and dual-direction device 16 of two retainings is in and surpasses in reverse two-way more disengaged condition and get final product.
Embodiment 2
As shown in Figure 2, in the present embodiment, gear changing mechanism comprises that driving shaft 11, duplex driving gear 21, shift fork 22, driven shaft 14, a retaining driven gear 23, two keep off driven gears 24, differential mechanism driving gear 17 and become retaining tank shell 18.Said change retaining tank shell 18 is an integral body with left abutment sleeve 3 and right abutment sleeve 4; In becoming retaining tank shell 18, be supported with driving shaft 11 and driven shaft 14 through bearing; The end of said driving shaft 11 is connected with the output shaft of power plant 9 through connecing cover; Suit duplex driving gear 21 on driving shaft 11, this duplex driving gear 21 is connected with driving shaft 11 splines, and in the chute at duplex driving gear 21 middle parts shift fork 22 is set; Under the stirring of shift fork 22, duplex driving gear 21 can slippage on driving shaft 11.Said driven shaft 14 parallels with driving shaft 11; On driven shaft 14, overlap a retaining driven gear 23, two admittedly and keep off driven gear 24 and differential mechanism driving gears 17; A said retaining driven gear 23 can with the pinion of duplex driving gear 21, two retaining driven gears 24 can with the engagement of the gearwheel of duplex driving gear 21.Said differential mechanism driving gear 17 is between a retaining driven gear 23 and two retaining driven gears 24; The differential mechanism driven gear 10 that is provided with on this differential mechanism driving gear 17 and the differential mechanism rotary shell 6 is meshed, and differential mechanism driving gear 17 is cylindrical gears with differential mechanism driven gear 10.All the other structures of present embodiment are identical with embodiment 1, do not do at this and give unnecessary details.
The working principle of present embodiment is following:
In the time of need obtaining a retaining speed; Stir duplex driving gear 21 through shift fork 22, make the small gear and a retaining driven gear 23 engagements of duplex driving gear 21, the power of power plant 9 drives driving shaft 11 and rotates; Under the effect of driving shaft 11; Duplex driving gear 21 drives driven shaft 14 through a retaining driven gear 23 and rotates, and makes driven shaft 14 obtain a retaining speed, two retaining driven gears, 24 idle running this moment.
In the time of need obtaining two retaining speed; Stir duplex driving gear 21 through shift fork 22, make the gearwheel and 24 engagements of two retaining driven gears of duplex driving gear 21, the power of power plant 9 drives driving shaft 11 and rotates; Under the effect of driving shaft 11; Duplex driving gear 21 drives driven shaft 14 through two retaining driven gears 24 and rotates, and makes driven shaft 14 obtain two retaining speed, one retaining driven gear, 23 idle running this moment.
When needing reversing, the output shaft counter-rotating of control power plant 9 gets final product.
With reference to Fig. 1, present embodiment is only installed power plant 9 on left abutment sleeve 3 or right abutment sleeve 4.All the other structures of present embodiment are identical with embodiment 1, do not do at this and give unnecessary details.
With reference to Fig. 2, present embodiment is only installed power plant 9 on left abutment sleeve 3 or right abutment sleeve 4.All the other structures of present embodiment are identical with embodiment 2, do not do at this and give unnecessary details.
Claims (6)
1. an electric motor car becomes the retaining differential system; The suit left side abutment sleeve (3) in the outside of revolver axle (1); The right abutment sleeve (4) of the outside suit of right wheel shaft (2); The relative end of said left and right wheel shaft (1,2) is equipped with the driven bevel gear (5) that turns to; This is driven to turn to bevel gear (5) to be positioned at differential mechanism rotary shell (6), in differential mechanism rotary shell (6), is fixed with angular wheel driving shaft (7), is set with taper driving gear (8) on the said angular wheel driving shaft (7); This taper driving gear (8) and said driven bevel gear (5) engagement that turns to; It is characterized in that: or/and power plant (9) are installed on the right abutment sleeve (4), the output shaft of these power plant (9) is connected with the driving shaft of gear changing mechanism at said left abutment sleeve (3), and the differential mechanism driving gear on the gear changing mechanism driven shaft is gone up the differential mechanism driven gear (10) that is provided with said differential mechanism rotary shell (6) and is meshed.
2. electric motor car according to claim 1 becomes the retaining differential system; It is characterized in that: said gear changing mechanism comprises driving shaft (11), a retaining driving gear (12), two retaining driving gears (13), driven shaft (14), a retaining driven one-way element (15), two retaining driven single-direction and dual-direction devices (16), differential mechanism driving gear (17) and becomes retaining tank shell (18); Said change retaining tank shell (18) is an integral body with left abutment sleeve (3) and right abutment sleeve (4); In becoming retaining tank shell (18), be supported with driving shaft (11) and driven shaft (14) through bearing; Said driving shaft (11) is connected with the output shaft (9a) of power plant (9); On driving shaft (11), be set with a retaining driving gear (12) and two retaining driving gears (13); Said driven shaft (14) is parallel to driving shaft (11); Go up installation one retaining driven one-way element (15), two retaining driven single-direction and dual-direction device (16) and differential mechanism driving gears (17) at driven shaft (14), the gear of a said driven one-way element of retaining (15) and a retaining driving gear (12) mesh, the gear of the two driven single-direction and dual-direction devices of retaining (16) and two retaining driving gears (13) engagements.
3. electric motor car according to claim 2 becomes the retaining differential system; It is characterized in that: the next door at a said driven one-way element of retaining (15) is provided with first spline housing (19); This first spline housing (19) is set on the driven shaft (14); And can go up slippage at driven shaft (14), be provided with the Ka Tai of interlock each other at the gear of a said driven one-way element of retaining (15) and the opposite end of first spline housing (19); Next door at the said two driven single-direction and dual-direction devices of retaining (16) is provided with second spline housing (20); This second spline housing (20) is set on the driven shaft (14); And can go up slippage at driven shaft (14), also be provided with the Ka Tai of interlock each other at the gear of the said two driven single-direction and dual-direction devices of retaining (16) and the opposite end of second spline housing (20).
4. electric motor car according to claim 1 becomes the retaining differential system; It is characterized in that: said gear changing mechanism comprises driving shaft (11), duplex driving gear (21), shift fork (22), driven shaft (14), a retaining driven gear (23), two retaining driven gears (24), differential mechanism driving gear (17) and becomes retaining tank shell (18); Said change retaining tank shell (18) is an integral body with left abutment sleeve (3) and right abutment sleeve (4); In becoming retaining tank shell (18), be supported with driving shaft (11) and driven shaft (14) through bearing; Said driving shaft (11) is connected with the output shaft (9a) of power plant (9); On driving shaft (11), be set with duplex driving gear (21); This duplex driving gear (21) can be gone up slippage at driving shaft (11); And in the chute at duplex driving gear (21) middle part shift fork (22) is set, said driven shaft (14) parallels with driving shaft (11), goes up suit one retaining driven gear (23), two retaining driven gear (24) and differential mechanism driving gears (17) at driven shaft (14); A said retaining driven gear (23) can with the pinion of duplex driving gear (21), two retaining driven gears (24) can with the engagement of the gearwheel of duplex driving gear (21).
5. become the retaining differential system according to claim 1 or 2 or 3 or 4 described electric motor cars; It is characterized in that: said power plant (9) are motor, and the output shaft (9a) of these power plant (9) is connected with the driving shaft (11) of gear changing mechanism through spline connecting sleeve (26).
6. electric motor car according to claim 5 becomes the retaining differential system; It is characterized in that: on said left abutment sleeve (3) and right abutment sleeve (4), all be fixed with power plant (9) through connecting base (25), the power plant of the right and left (9) are symmetrically distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200449939U CN202545727U (en) | 2012-02-13 | 2012-02-13 | Shifting differential system for electromobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200449939U CN202545727U (en) | 2012-02-13 | 2012-02-13 | Shifting differential system for electromobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202545727U true CN202545727U (en) | 2012-11-21 |
Family
ID=47166366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200449939U Expired - Fee Related CN202545727U (en) | 2012-02-13 | 2012-02-13 | Shifting differential system for electromobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202545727U (en) |
-
2012
- 2012-02-13 CN CN2012200449939U patent/CN202545727U/en not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20130213 |