CN203395113U - Automatic two-gear transmission of electric automobile - Google Patents
Automatic two-gear transmission of electric automobile Download PDFInfo
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- CN203395113U CN203395113U CN201320499762.1U CN201320499762U CN203395113U CN 203395113 U CN203395113 U CN 203395113U CN 201320499762 U CN201320499762 U CN 201320499762U CN 203395113 U CN203395113 U CN 203395113U
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Abstract
The utility model relates to an automatic two-gear transmission of an electric automobile. The automatic two-gear transmission comprises a first-gear gearshift device and a second-gear gearshift device, wherein the first-gear gearshift device and the second-gear gearshift device are separated from each other; the first-gear gearshift device comprises a first-gear gearshift mechanism and a first-gear meshing mechanism is meshed with or separated from a first-gear transmission mechanism through the first-gear gearshift mechanism; the second-gear gearshift device comprises a second-gear gearshift mechanism and a second-gear meshing mechanism is meshed or separated from a second-gear transmission mechanism through the second-gear gearshift mechanism. With the structure, the automatic two-gear transmission of the electric automobile is applicable to transmission systems of purely electric automobiles, and the structure of a synchronizer commonly used in a transmission is not used, and thus the manufacturing cost is reduced and the occupied space is small; the movement of a shifting fork is controlled by an electromagnet so as to realize gear shifting, and therefore the control method is simple and clear and the gear shifting delay time is short; the shifting force can be changed by changing parameters of the electromagnet; and the electromagnet does not need to be continuously electrified after the gear is engaged, thereby reducing the heat generation and consumption.
Description
Technical field
The utility model relates to vehicle drive system technical field, and particularly electric vehicle transmission system technical field specifically refers to a kind of two-shift automatic speed variator of electric vehicle.
Background technique
Conventionally the gearshift of automatic transmission generally forms powered actuation mechanism by motor, hydraulic pressure installation or Pneumatic actuator, these mechanism structure are complicated, cost is expensive, by motor gearshift, shift gears, exist the gearshift time long, the problem that motor is easy to wear, in addition there is the problems such as gas leakage, leakage of oil in hydraulic pressure, Pneumatic gearshift, makes automatic transmission unreliable.During existing electric automobile gearshift, adopt the synchronizer of traditional mechanical structure, synchronizing ring by synchronizer with in conjunction with the contact of the gear ring conical surface, produce friction and reach and synchronize mesh impact when reducing gearshift, it is high that but the manufactured materials of synchronizer requires, thereby the cost of speed changer is raise, and structure is more complicated, the volume taking is larger, and gearshift exists time delay.
Model utility content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, provide a kind of control simple, gearshift is quick, without adopting synchronizer, low cost of manufacture, take the two-shift automatic speed variator of the electric vehicle that volume is little.
For realizing above-mentioned object, the two-shift automatic speed variator of electric vehicle of the present utility model by the following technical solutions:
The two-shift automatic speed variator of this electric vehicle, its main feature is, comprise a gear gearshift and two gear gearshifts, this gear gearshift and this two gears gearshift separate, a described gear gearshift comprises a gear gearshift, first gear driving mechanism and a gear engaging mechanism, a described gear gearshift is connected with a described gear engaging mechanism, and by a described gear gearshift, a described gear engaging mechanism and described first gear driving mechanism mesh or depart from;
Two described gear gearshifts comprise two gear gearshifts, second gear driving mechanism and two gear engaging mechanisms, two described gear gearshifts are connected with two described gear engaging mechanisms, by two described gear gearshifts, two described gear engaging mechanisms and the described engagement of second gear driving mechanism or disengaging.
First gear driving mechanism in the two-shift automatic speed variator of this electric vehicle comprises initiatively a gear tooth and a driven gear tooth, this active one gear tooth fixed cover is located at outside main shaft, this driven gear tooth is movably set in outside countershaft, a described driven gear tooth rotates freely around described countershaft, and described active one gear tooth and a described driven gear tooth engagement, described main shaft and described countershaft are parallel to each other.
In the two-shift automatic speed variator of this electric vehicle one gear engaging mechanism comprises a gear tooth hub, this gear tooth hub fixed cover is located at outside described countershaft, first gear engaging sleeve engaging sleeve is located at outside a described gear tooth hub, and this first gear engaging sleeve comes and goes mobile vertically; One gear is fixedly connected with in conjunction with the end face of the end face of tooth and a described driven gear tooth, and described first gear engaging sleeve comes and goes when mobile vertically, described first gear engaging sleeve with a described gear in conjunction with tooth engagement or disengaging.
In the two-shift automatic speed variator of this electric vehicle one gear gearshift is arranged in gear box casing, this gear gearshift comprises a gear electromagnet and a gear selector fork, this gear electromagnet fixed cover is located at outside a gear declutch shift shaft, a described gear selector fork is fixedly connected with a described gear electromagnet, one gear shift fork neutral limiting stopper is arranged at one end of a described gear electromagnet, one gear limiting stopper is arranged at the other end of a described gear electromagnet, and a described gear limiting stopper is between a described gear electromagnet and a gear permanent magnet; A described gear shift fork neutral limiting stopper, a described gear limiting stopper are fixedly connected with described gear box casing with a described gear permanent magnet, and a described gear declutch shift shaft comes and goes mobile vertically.
In the two-shift automatic speed variator of this electric vehicle one gear selector fork is embedded at the outer ring of described first gear engaging sleeve, a described gear selector fork is axially stirred described first gear engaging sleeve along described first gear engaging sleeve, make described first gear engaging sleeve with a described gear in conjunction with tooth engagement or disengaging.
Second gear driving mechanism in the two-shift automatic speed variator of this electric vehicle comprises initiatively two gear teeth and driven two gear teeth, these active two gear tooth fixed covers are located at outside described main shaft, these driven two gear teeth are movably set in outside described countershaft, described driven two gear teeth rotate freely around described countershaft, and described active two gear teeth and described driven two gear tooth engagements, described main shaft and described countershaft are parallel to each other.
In the two-shift automatic speed variator of this electric vehicle two gear engaging mechanism comprises two gear tooth hubs, this two gears tooth hub fixed cover is located at outside described countershaft, second gear engaging sleeve engaging sleeve is located at outside two described gear tooth hubs, and this second gear engaging sleeve comes and goes mobile vertically; Two gears are fixedly connected with in conjunction with the end faces of the end faces of tooth and described driven two gear teeth, and described second gear engaging sleeve comes and goes when mobile vertically, described second gear engaging sleeve with two described gears in conjunction with tooth engagement or disengaging.
In the two-shift automatic speed variator of this electric vehicle two gear gearshift is arranged in gear box casing, this two gears gearshift comprises two gear electromagnet and two gear selector forks, this two gears electromagnet fixed cover is located at outside two gear declutch shift shafts, two gear selector forks are fixedly connected with two described gear electromagnet, two gear shift fork neutral limiting stoppers are arranged at one end of two described gear electromagnet, two gear limiting stoppers are arranged at the other end of two described gear electromagnet, and two described gear limiting stoppers are between two described gear electromagnet and two gear permanent magnets; Two described gear shift fork neutral limiting stoppers, two described gear limiting stoppers are fixedly connected with described gear box casing with two described gear permanent magnets, and two described gear declutch shift shafts come and go mobile vertically.
In the two-shift automatic speed variator of this electric vehicle two gear selector fork is embedded at the outer ring of described second gear engaging sleeve, described two gear selector forks are axially stirred described second gear engaging sleeve along described second gear engaging sleeve, make described second gear engaging sleeve with two described gears in conjunction with tooth engagement or disengaging.
The output terminal of the motor in the two-shift automatic speed variator of this electric vehicle is connected with described main shaft, and described countershaft fixed cover is provided with the main driving tooth that subtracts, and this master subtracts driving tooth and meshes with the main driven tooth that subtracts, and this master subtracts driven tooth and is fixedly connected with differential mechanism.
Adopted the two-shift automatic speed variator of the electric vehicle of this structure, be applicable to the transmission system of pure electric automobile, this speed changer has been cancelled the structure of conventional synchronizer in speed changer, thereby greatly reduce manufacture cost, the space taking is less, by the movement of magnet control shift fork, thereby realize gearshift, the method of controlling is simple and clear, and gearshift is short retard time, and can change by changing the parameter of electromagnet the size of gear shifting force.After hanging up gear, electromagnet, without continuing energising, has therefore reduced heating and loss.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of speed changer of the present utility model.
Fig. 2 is the schematic diagram of gearshift of the present utility model.
Embodiment
In order more clearly to understand technology contents of the present utility model, especially exemplified by following examples, describe in detail.
Refer to Fig. 1 and Fig. 2, the two-shift automatic speed variator of electric vehicle, comprise a gear gearshift and two gear gearshifts, this gear gearshift and this two gears gearshift separate, one gear gearshift comprises a gear gearshift 50, first gear driving mechanism and a gear engaging mechanism, one gear gearshift 50 is connected with a gear engaging mechanism, by gear gearshift 50, one gear engaging mechanisms and the engagement of first gear driving mechanism or a disengaging;
Two gear gearshifts comprise two gear gearshifts 60, second gear driving mechanism and two gear engaging mechanisms, and two gear gearshifts 60 are connected with two gear engaging mechanisms, by two gear gearshifts 60, two, are kept off engaging mechanisms and the engagement of second gear driving mechanism or are departed from.
First gear driving mechanism comprises initiatively a gear tooth 12 and a driven gear tooth 22, these active one gear tooth 12 fixed covers are located at outside main shaft 11, this driven gear tooth 22 is movably set in outside countershaft 21, a driven gear tooth 22 rotates freely around countershaft 21, and an initiatively gear tooth 12 and described driven gear tooth 22 engagements, main shaft 11 is parallel to each other with countershaft 21.
One gear engaging mechanism comprises a gear tooth hub 24, and these gear tooth hub 24 fixed covers are located at outside countershaft 21, and first gear engaging sleeve 25 engaging sleeves are located at outside a gear tooth hub 24, and this first gear engaging sleeve 25 comes and goes mobile vertically; One gear is fixedly connected with the end face of a driven gear tooth 22 in conjunction with the end face of tooth 23, and first gear engaging sleeve 25 comes and goes when mobile vertically, first gear engaging sleeve 25 with a gear in conjunction with tooth 23 engagements or disengaging.
One gear gearshift 50 is arranged in gear box casing, this gear gearshift 50 comprises a gear electromagnet 52 and a gear selector fork 51, these gear electromagnet 52 fixed covers are located at outside a gear declutch shift shaft 57, one gear selector fork 51 is fixedly connected with a gear electromagnet 52, one gear shift fork neutral limiting stopper 54 is arranged at a gear electromagnet 52 one end, one gear limiting stopper 55 is arranged at the other end of a gear electromagnet 52, and a gear limiting stopper 55 is between a gear electromagnet 52 and a gear permanent magnet 53; One gear shift fork neutral limiting stopper 54, a gear limiting stopper 55 are fixedly connected with gear box casing with a gear permanent magnet 53, and a gear declutch shift shaft 57 comes and goes mobile vertically.One gear selector fork 51 is embedded at first gear engaging sleeve 25 outer ring, and a gear selector fork 51 is axially stirred first gear engaging sleeve 25 along first gear engaging sleeve 25, make first gear engaging sleeve 25 with a gear in conjunction with tooth 23 engagements or disengaging.
Second gear driving mechanism comprises initiatively two gear teeth 13 and driven two gear teeth 26, these active two gear tooth 13 fixed covers are located at outside main shaft 11, these driven two gear teeth 26 are movably set in outside countershaft 21, and driven two gear teeth 26 rotate freely around countershaft 21, and initiatively two gear teeth 13 and driven two gear tooth 26 engagements.
Two gear engaging mechanisms comprise two gear tooth hubs 28, and these two gears tooth hub, 28 fixed covers are located at outside countershaft 21, and second gear engaging sleeve 29 engaging sleeves are located at outside two gear tooth hubs 28, and this second gear engaging sleeve 29 comes and goes mobile vertically; Two gears are fixedly connected with the end faces of driven two gear teeth 26 in conjunction with the end faces of tooth 27, and second gear engaging sleeve 29 comes and goes when mobile vertically, second gear engaging sleeve 29 with two gears in conjunction with tooth 27 engagements or disengaging.
Two gear gearshifts 60 are arranged in gear box casing, this two gears gearshift 60 comprises two gear electromagnet 62 and two gear selector forks 61, these two gears electromagnet, 62 fixed covers are located at outside two gear declutch shift shafts 67, two gear selector forks 61 are fixedly connected with two gear electromagnet 62, two gear shift fork neutral limiting stoppers 64 are arranged at two gear electromagnet 62 one end, two gear limiting stoppers 65 are arranged at the other end of two gear electromagnet 62, and two gear limiting stoppers 65 are between two gear electromagnet 62 and two gear permanent magnets 63; Two gear shift fork neutral limiting stoppers 64, two gear limiting stoppers 65 are fixedly connected with gear box casing with two gear permanent magnets 63, and two gear declutch shift shafts 67 come and go mobile vertically.Two gear selector forks 61 are embedded at second gear engaging sleeve 29 outer ring, and two gear selector forks 61 are axially stirred second gear engaging sleeve 29 along second gear engaging sleeve 29, make second gear engaging sleeve 29 with two gears in conjunction with tooth 27 engagements or disengaging.
The output terminal of motor 70 is connected with main shaft 11, and countershaft 21 fixed covers are provided with the main driving tooth 30 that subtracts, and this master subtracts driving tooth 30 and meshes with the main driven tooth 42 that subtracts, and this master subtracts driven tooth 42 and is fixedly connected with differential mechanism 41.
Speed changer in the utility model has three gears: a gear, two gears and neutral position; When a gear selector fork 51 and gear limiting stopper 55 laminatings, two gear selector fork 61 one end and two gear shift fork neutral limiting stopper 64 laminatings simultaneously, now first gear engaging sleeve 25 and a gear are in conjunction with tooth 23 engagements, and second gear engaging sleeve 29 is combined tooth 27 with two gears separated, a driven gear tooth 22 is followed countershaft 21 and is done synchronous rotation, and speed changer is in a gear; When a gear selector fork 51 and gear shift fork neutral limiting stopper 54 laminatings, two gear selector forks 61 and two gear limiting stopper 65 laminatings simultaneously, first gear engaging sleeve 25 is combined tooth 23 with a gear separated, and second gear engaging sleeve 29 and two gears are in conjunction with tooth 27 engagements, driven two gear teeth 26 are followed countershaft 21 and are done synchronous rotation, and speed changer is in two gears; When a gear selector fork 51 and gear shift fork neutral limiting stopper 54 laminatings, two gear selector fork 61 one end and two gear shift fork neutral limiting stopper 64 laminatings simultaneously, now be combined tooth 23 with a gear separated for first gear engaging sleeve 25, second gear engaging sleeve 29 is combined tooth 27 with two gears separated, a driven gear tooth 22 and driven two gear teeth 26 are not all followed countershaft 21 and are done synchronous rotation, and speed changer is in neutral position.And a gear self-lock pin 56 can guarantee that a gear selector fork 51 is in a stable gear or empty shifting state, two gear self-lock pins 66 can guarantee that two gear selector forks 61 are in two stable gears or empty shifting state, to guarantee the safety of electric automobile during traveling, and after hanging up gear, electromagnet, without switching on again, reduces the wastage and generates heat.
The working principle of the speed changer in the utility model is described as follows: during starting, speed changer need be switched to from neutral position a gear, when initial, it is neutral position, an i.e. gear selector fork 51 and gear shift fork neutral limiting stopper 54 laminatings, two gear selector forks 61 and two gear shift fork neutral limiting stopper 64 laminatings, under the control of gearbox controller, two gear electromagnet 62 remain unchanged, gear electromagnet 52 energisings in one gear gearshift 50 produce suction, one gear electromagnet 52 attracts a gear permanent magnet 53, one gear electromagnet 52 drives a gear selector fork 51 and gear limiting stopper 55 laminatings, make first gear engaging sleeve 25 and a gear hang up a gear in conjunction with tooth 23 combinations.Motor 70 drives main shaft 11, the active one gear tooth 12 being fixedly connected with main shaft 11 drives a driven gear tooth 22, one gear is fixedly connected with a driven gear tooth 22 in conjunction with tooth 23, one gear synchronously rotates in conjunction with tooth 23 and a driven gear tooth 22, first gear engaging sleeve 25 and a gear are in conjunction with tooth 23 engagements, first gear engaging sleeve 25 and a driven gear tooth 22 are synchronizeed rotation, first gear engaging sleeve 25 drives countershaft 21 to rotate while rotating, countershaft 21 subtracts driving tooth 30 with master and is fixedly connected with, master subtracts driving tooth 30 and countershaft 21 synchronously rotates, the main driving tooth 30 that subtracts meshes with the main driven tooth 42 that subtracts, the main driving tooth 30 that subtracts drives the main driven tooth 42 that subtracts to rotate, master subtracts differential mechanism 41 rotations that driven tooth 42 is fixedly connected with it, differential mechanism 41 drives semiaxis, semiaxis band motor car wheel.
During gearshift, when a gear shifts into second, while obtaining gear shifting signal, motor 70 output torques are zero, the logical back current of a gear electromagnet 52 in one gear gearshift 50 produces repulsion, promoting a gear selector fork 51 makes first gear engaging sleeve 25 separated fast in conjunction with tooth 23 with a gear, two gear electromagnet 62 remain unchanged, speed changer is in neutral position, according to target gear, calculate motor rotating speed of target, carry out speed governing to motor 70 moments, make motor 70 and rotating speed of target basically identical, now cancel motor 70 moments, two gear electromagnet 62 energisings in two gear gearshifts 60 produce suction, promoting two gear selector forks 61 makes second gear engaging sleeve 29 and two gears in conjunction with tooth 27 combinations, reach the gear object that shifts into second.
When two gears change a gear, while obtaining gear shifting signal, controlling motor 70 output torques is zero, the logical back current of two gear electromagnet 62 in two gear gearshifts 60 produces repulsion, promoting two gear selector forks 61 makes second gear engaging sleeve 29 separated fast in conjunction with tooth 27 with two gears, one gear electromagnet 52 remains unchanged, speed changer is in neutral position, according to target gear, calculate motor rotating speed of target, carry out speed governing to motor 70 moments, make motor speed and rotating speed of target basically identical, now cancel motor output torque, gear electromagnet 52 energisings in one gear gearshift 50 produce suction, promoting a gear selector fork 51 makes first gear engaging sleeve 25 and a gear in conjunction with tooth 23 combinations, reach two gears and change a gear object.During reversing, motor 70 reversions, speed changer is suspended to a gear.
Adopted the two-shift automatic speed variator of the electric vehicle of this structure, be applicable to the transmission system of pure electric automobile, this speed changer has been cancelled the structure of conventional synchronizer in speed changer, thereby greatly reduce manufacture cost, the space taking is less, by the movement of magnet control shift fork, thereby realize gearshift, the method of controlling is simple and clear, and gearshift is short retard time, and can change by changing the parameter of electromagnet the size of gear shifting force.After hanging up gear, electromagnet, without continuing energising, has therefore reduced heating and loss.
In this specification, the utility model is described with reference to its specific embodiment.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (10)
1. the two-shift automatic speed variator of an electric vehicle, it is characterized in that, comprise a gear gearshift and two gear gearshifts, this gear gearshift and this two gears gearshift separate, a described gear gearshift comprises a gear gearshift (50), first gear driving mechanism and a gear engaging mechanism, a described gear gearshift (50) is connected with a described gear engaging mechanism, by a described gear gearshift (50), a described gear engaging mechanism and the described engagement of first gear driving mechanism or disengaging;
Two described gear gearshifts comprise two gear gearshifts (60), second gear driving mechanism and two gear engaging mechanisms, two described gear gearshifts (60) are connected with two described gear engaging mechanisms, by two described gear gearshifts (60), two described gear engaging mechanisms and the described engagement of second gear driving mechanism or disengaging.
2. the two-shift automatic speed variator of electric vehicle according to claim 1, it is characterized in that, described first gear driving mechanism comprises initiatively a gear tooth (12) and a driven gear tooth (22), this active one gear tooth (12) fixed cover is located at outside main shaft (11), this driven gear tooth (22) is movably set in outside countershaft (21), a described driven gear tooth (22) rotates freely around described countershaft (21), and described active one gear tooth (12) and described driven gear tooth (22) engagement, described main shaft (11) is parallel to each other with described countershaft (21).
3. the two-shift automatic speed variator of electric vehicle according to claim 2, it is characterized in that, a described gear engaging mechanism comprises a gear tooth hub (24), this gear tooth hub (24) fixed cover is located at outside described countershaft (21), first gear engaging sleeve (25) engaging sleeve is located at outside a described gear tooth hub (24), and this first gear engaging sleeve (25) comes and goes mobile vertically; One gear is fixedly connected with the driven one described end face that keeps off tooth (22) in conjunction with the end face of tooth (23), and described first gear engaging sleeve (25) comes and goes while moving vertically, described first gear engaging sleeve (25) meshes in conjunction with tooth (23) or departs from a described gear.
4. the two-shift automatic speed variator of electric vehicle according to claim 3, it is characterized in that, a described gear gearshift (50) is arranged in gear box casing, this gear gearshift (50) comprises a gear electromagnet (52) and a gear selector fork (51), this gear electromagnet (52) fixed cover is located at outside a gear declutch shift shaft (57), a described gear selector fork (51) is fixedly connected with a described gear electromagnet (52), one gear shift fork neutral limiting stopper (54) is arranged at one end of a described gear electromagnet (52), one gear limiting stopper (55) is arranged at the other end of a described gear electromagnet (52), a described gear limiting stopper (55) is positioned between described a gear electromagnet (52) and a gear permanent magnet (53), a described gear shift fork neutral limiting stopper (54), a described gear limiting stopper (55) are fixedly connected with described gear box casing with a described gear permanent magnet (53), and a described gear declutch shift shaft (57) comes and goes mobile vertically.
5. the two-shift automatic speed variator of electric vehicle according to claim 4, it is characterized in that, a described gear selector fork (51) is embedded at the outer ring of described first gear engaging sleeve (25), a described gear selector fork (51) is axially stirred described first gear engaging sleeve (25) along described first gear engaging sleeve (25), make described first gear engaging sleeve (25) with a described gear in conjunction with tooth (23) engagement or depart from.
6. the two-shift automatic speed variator of electric vehicle according to claim 2, it is characterized in that, described second gear driving mechanism comprises initiatively two gear teeth (13) and driven two gear teeth (26), these active two gear tooth (13) fixed covers are located at outside described main shaft (11), these driven two gear teeth (26) are movably set in outside described countershaft (21), described driven two gear teeth (26) rotate freely around described countershaft (21), and described active two gear teeth (13) and described driven two gear tooth (26) engagements.
7. the two-shift automatic speed variator of electric vehicle according to claim 6, it is characterized in that, two described gear engaging mechanisms comprise two gear tooth hubs (28), this two gears tooth hub (28) fixed cover is located at outside described countershaft (21), second gear engaging sleeve (29) engaging sleeve is located at outside two described gear tooth hubs (28), and this second gear engaging sleeve (29) comes and goes mobile vertically; Two gears are fixedly connected with the driven two described end faces that keep off teeth (26) in conjunction with the end face of tooth (27), and described second gear engaging sleeve (29) comes and goes while moving vertically, described second gear engaging sleeve (29) meshes in conjunction with tooth (27) or departs from two described gears.
8. the two-shift automatic speed variator of electric vehicle according to claim 7, it is characterized in that, two described gear gearshifts (60) are arranged in gear box casing, this two gear gearshift (60) comprises two gear electromagnet (62) and two gear selector forks (61), this two gears electromagnet (62) fixed cover is located at outside two gear declutch shift shafts (67), two gear selector forks (61) are fixedly connected with two described gear electromagnet (62), two gear shift fork neutral limiting stoppers (64) are arranged at one end of two described gear electromagnet (62), two gear limiting stoppers (65) are arranged at the other end of two described gear electromagnet (62), two described gear limiting stoppers (65) are positioned between described two gear electromagnet (62) and two gear permanent magnets (63), two described gear shift fork neutral limiting stoppers (64), two described gear limiting stoppers (65) are fixedly connected with described gear box casing with two described gear permanent magnets (63), and two described gear declutch shift shafts (67) come and go mobile vertically.
9. the two-shift automatic speed variator of electric vehicle according to claim 8, it is characterized in that, two described gear selector forks (61) are embedded at the outer ring of described second gear engaging sleeve (29), described two gear selector forks (61) are axially stirred described second gear engaging sleeve (29) along described second gear engaging sleeve (29), make described second gear engaging sleeve (29) with described two gears in conjunction with tooth (27) engagement or depart from.
10. the two-shift automatic speed variator of electric vehicle according to claim 2, it is characterized in that, the output terminal of motor (70) is connected with described main shaft (11), described countershaft (21) fixed cover is provided with the main driving tooth (30) that subtracts, this master subtracts driving tooth (30) and meshes with the main driven tooth (42) that subtracts, and this master subtracts driven tooth (42) and is fixedly connected with differential mechanism (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320499762.1U CN203395113U (en) | 2013-08-15 | 2013-08-15 | Automatic two-gear transmission of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320499762.1U CN203395113U (en) | 2013-08-15 | 2013-08-15 | Automatic two-gear transmission of electric automobile |
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| CN203395113U true CN203395113U (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320499762.1U Expired - Fee Related CN203395113U (en) | 2013-08-15 | 2013-08-15 | Automatic two-gear transmission of electric automobile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114548A (en) * | 2015-09-23 | 2015-12-02 | 中国重型机械研究院股份公司 | Small-inertia engagement, disengagement and speed change mechanism |
| CN108980287A (en) * | 2017-06-01 | 2018-12-11 | 上海众联能创新能源科技股份有限公司 | A kind of electric car two-speed automatic transmission |
-
2013
- 2013-08-15 CN CN201320499762.1U patent/CN203395113U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114548A (en) * | 2015-09-23 | 2015-12-02 | 中国重型机械研究院股份公司 | Small-inertia engagement, disengagement and speed change mechanism |
| CN108980287A (en) * | 2017-06-01 | 2018-12-11 | 上海众联能创新能源科技股份有限公司 | A kind of electric car two-speed automatic transmission |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20210815 |