CN202753776U - Electric car power assembly - Google Patents
Electric car power assembly Download PDFInfo
- Publication number
- CN202753776U CN202753776U CN 201220218095 CN201220218095U CN202753776U CN 202753776 U CN202753776 U CN 202753776U CN 201220218095 CN201220218095 CN 201220218095 CN 201220218095 U CN201220218095 U CN 201220218095U CN 202753776 U CN202753776 U CN 202753776U
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- cover
- clutch
- differential
- internally toothed
- external tooth
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Abstract
The utility model discloses an electric car power assembly. A differential housing is arranged in a reducer housing. A differential part is further disposed in the differential housing. A left haft shaft and a right half shaft connected with the differential part extend leftwards and rightwards respectively. One side of the reducer housing is fixedly connected with a drive motor housing. A transmission mechanism is disposed between a rotor shaft inside a drive motor and the differential housing. A first bearing is disposed between the left of the differential housing and a reducer left cover forming the reducer housing. The right of the differential housing is connected with a support disk through a second bearing. A support shaft is fixedly connected between a reducer right cover forming the reducer housing and the support disk. The transmission mechanism comprises two outer gear sleeves, an inner gear sleeve and gears, wherein the gears match with the outer gear sleeves and the inner gear sleeve. The electric car power assembly has the advantages of easiness in processing, easiness in fitting, high precision, no noise, stability in operation and long service life.
Description
Technical field
The utility model relates to a kind of dynamic assembly, particularly a kind of electrocar dynamic assembly.
Background technology
Application number is that 201110327154.8 application for a patent for invention discloses a kind of electric vehicle dynamic assembly, its structure is as follows: comprise gear box casing, in gear box casing, be connected with differential casing by bearing, be that differential casing can rotate with respect to change speed gear box in the casing of change speed gear box, the differential parts are installed in differential casing, and the differential parts are connected with the left half axle that stretches out to the left and the right axle shaft that stretches out to the right.Side cover at gear box casing is fixedly connected with drive motor, and the rotor shaft of drive motor in a tubular form and be enclosed within the semiaxis outside of this side.Between rotor shaft and differential casing, be provided with transmission device, the structure of this transmission device is: the outside, termination of rotor shaft is processed with spline, the endoporus of external tooth cover is processed with spline, by this spline external tooth cover is sleeved on the rotor shaft, tooth on the external tooth cover excircle is meshed with big gear wheel, big gear wheel is sleeved on the pivot shaft, pivot shaft one end is fixed on the side cover of change speed gear box, miniature gears and big gear wheel are structure as a whole and form the cone pulley shape, miniature gears is meshed with internally toothed annulus, passes through spline joint between internally toothed annulus and the differential casing.Wherein pivot shaft and cone pulley are three groups, along the circumferential direction evenly distribute.During installation mission case is fixedly connected on chassis back axle and (or) in the mounting groove on the propons, two and half shaft end heads are connected with wheel.Drive motor drives differential casing by transmission device and rotates, and has driven simultaneously two semiaxis and has rotated, and reaches the purpose of vehicle operating, turns to or during Uneven road, the wheel of both sides can carry out Self-adjustment by diff.The battery-driven car dynamic assembly of this structure has following shortcoming: the cone pulley in the transmission device is structure as a whole, each Transmission namely respectively organizes gear and each group spline must adopt the gear shaping mode to process, this mainly is due to its structure, working accuracy is relatively low, and because carrying out again roll flute processing behind the structure design constraint carburizing and quenching, the gear shifting quadrant texturing problem can't solve, cause precision low, preferably can only be controlled at the 8-9 class precision, maximum shortcoming is that the big or small angle of gear of three pairs of cone pulleys can't guarantee unitarity, causes the assembling difficulty, even can't assemble, the engagement of respectively organizing cone pulley and internally toothed annulus after the assembling is mutually inharmonious, produces stress, and not only noise is large during running, and vibration is severe, inconsistent because of angle, three little teeth of cone pulley and internally toothed annulus can't guarantee whole engagements, are easy to broken teeth during the place in operation running.
Summary of the invention
The purpose of this utility model provide a kind of each drive disk assembly can adopt after the heat be behind the carburizing and quenching roll flute mode process, improve working accuracy, assembling easily, each drive disk assembly does not produce each other stress, operates steadily after the assembling, noise is little, the battery-driven car dynamic assembly of long service life, overcomes the deficiencies in the prior art.
Electrocar dynamic assembly of the present utility model comprises reducer shell, is provided with differential casing in reducer shell, is provided with the differential parts in the differential casing, and the left half axle and the right axle shaft that join with the differential parts stretch out left and to the right respectively; One side of reducer shell is captiveed joint with the drive motor housing, is provided with transmission device between the rotor shaft in the drive motor and the differential casing;
Be provided with clutch shaft bearing between the retarder left cover of described differential casing left part and composition reducer shell, the differential casing right part is connected with supporting disk by the second bearing, is fixedly connected with pivot shaft between the retarder right cover of composition reducer shell and the supporting disk;
Described transmission device comprises internal tooth casing, internal tooth casing is by the central hole of the 3rd bearings in the retarder right cover, the endoporus of internal tooth casing is processed with internal tooth, the outside of the first external tooth cover is processed with external tooth, internal tooth casing just is sleeved on the outside of the first external tooth cover, and internal tooth and external tooth are the running clearance interference fit each other;
The first external tooth cover is meshed with driven wheel, and the endoporus of driven wheel is processed with internal tooth, is set with the second external tooth cover at pivot shaft, and there is external tooth in the outside of the second external tooth cover, and driven wheel just engage sleeves is contained in the outside of the second external tooth cover;
The second external tooth cover is meshed with internally toothed annulus, and internally toothed annulus is connected with differential casing;
Described the first external tooth cover is connected with the rotor shaft of drive motor.
Electrocar dynamic assembly of the present utility model, the connecting structure between the rotor shaft of wherein said the first external tooth cover and drive motor are to be processed with interior straight-tooth at endoporus place, the termination of rotor shaft, and the first external tooth cover and interior straight-tooth mutually insert and be connected.
Electrocar dynamic assembly of the present utility model is provided with needle bearing between wherein said the second external tooth cover and the pivot shaft.
Electrocar dynamic assembly of the present utility model is connected with strut bar between wherein said supporting disk and the retarder right cover, strut bar and pivot shaft space and evenly distribution on circumference.
Electrocar dynamic assembly of the present utility model, be provided with arrangement of clutch between wherein said internally toothed annulus and the differential casing, described arrangement of clutch structure is as follows: be provided with the 4th bearing between the right differential housing of the left part endoporus of internally toothed annulus and composition differential casing, the left part outside of internally toothed annulus is set with clutch cover, be connected for ball screw type between clutch cover and the internally toothed annulus, be respectively equipped with the second friction lining and the 3rd friction lining in the both sides of clutch cover, be provided with the 4th friction lining that matches with the 3rd friction lining in the side of right differential housing, be fixedly connected with the side ring plate in the right differential housing right edge, the side ring plate is provided with the first friction lining that matches with the second friction lining.
Electrocar dynamic assembly of the present utility model, be provided with arrangement of clutch between wherein said described internally toothed annulus and the differential casing, described arrangement of clutch structure is as follows: be provided with the 4th bearing between the right differential housing of the left part endoporus of internally toothed annulus and composition differential casing, the left part outside of internally toothed annulus is set with clutch cover, be connected for ball screw type between clutch cover and the internally toothed annulus, be respectively equipped with the second friction lining and the 3rd friction lining in the both sides of clutch cover, be set with a plurality of inner attrition pieces in the outside, the two ends of clutch cover, be connected for the spur type suit between the endoporus of inner attrition piece and the clutch cover or spend strong formula to be set with connection; The right side of differential right casing is fixedly connected with clutch outer member, the clutch outer member right-hand member is fixedly connected with the side ring plate, be provided with a plurality of outside friction discs that arrange separately with inner attrition piece in the inboard of clutch outer member, be connected for the straight-tooth suit between outside friction disc and the clutch outer member or spend the connection of strong formula suit.
Electrocar dynamic assembly of the present utility model, be provided with arrangement of clutch between wherein said internally toothed annulus and the differential casing, described arrangement of clutch structure is as follows: be provided with the 4th bearing between the right differential housing of the left part endoporus of internally toothed annulus and composition differential casing, the left part outside of internally toothed annulus is set with clutch cover, be connected for ball screw type between clutch cover and the internally toothed annulus, be connected with inner conical drogue at right differential housing, the inner conical drogue termination is fixed with interior conical ring, the conical surface of interior conical ring and inner conical drogue inboard is symmetrical arranged, outer circumference surface at clutch cover is fixed with the bipyramid friction lining, and the bipyramid friction lining matches with the conical surface on interior conical ring and the inner conical drogue; The formed cone angle of the described conical surface is 8 °～24 °.
Electrocar dynamic assembly of the present utility model, because rotor shaft is to the power delivery mode that has adopted two external tooth covers between the differential casing, cone pulley Transmission and spline structure in the prior art have been cancelled, make whole drive disk assemblies all can adopt the roll flute mode to process, be each external tooth can carburizing and quenching after the precise positioning grinding-shaping, there is not the inconsistent situation of circumference upper angle, working accuracy and assembly precision have greatly been improved, easier assembling, unstressed generation between each parts after the assembling, the engagement of gear is mutually harmonious, operate steadily, friction, noise is little, long service life; Arrangement of clutch guarantees thoroughly to disconnect between the differential casing and motor and transmission device when vehicle sliding, and diff vehicle under immunization with gD DNA vaccine slides smoothly.This arrangement of clutch is two-way clutch type, and is simple in structure, and flexible movements are reliable.
Description of drawings
Fig. 1 is the structural representation of the utility model specific embodiment 1;
Fig. 2 is the structural representation of the second external tooth cover shown in Figure 1;
Fig. 3 is C-C sectional schematic diagram shown in Figure 2;
Fig. 4 is driven wheel structural representation shown in Figure 1;
Fig. 5 is that scheme drawing is looked on a left side shown in Figure 4;
Fig. 6 is the structural representation of the first external tooth cover shown in Figure 1;
Fig. 7 is B-B sectional schematic diagram shown in Figure 1;
Fig. 8 is the structural representation of the second arrangement of clutch of the utility model specific embodiment;
Fig. 9 is the structural representation of the third arrangement of clutch of the utility model specific embodiment.
The specific embodiment
Shown in Fig. 1～7: reducer shell is comprised of speed reducer housing 10, retarder left cover 3 and the retarder right cover 15 of captiveing joint with speed reducer housing 10 bolts.Be provided with differential casing in reducer shell, differential casing is bolted to connection by diff left shell 4 and right differential housing 5 and forms.Be provided with the differential parts in the differential casing, the left half axle 1 and the right axle shaft 24 that join with the differential parts stretch out left and to the right respectively.
Captive joint with the drive motor housing in the right side of reducer shell, the drive motor housing is comprised of centre housing 21, motor left cover 19 and the motor right cover 22 of captiveing joint with centre housing 21 bolts.Motor left cover 19 is bolted to connection with retarder right cover 15.
Be provided with clutch shaft bearing 2 between diff left shell 4 and the retarder left cover 3, right differential housing is connected with supporting disk 7 by the second bearing 6, form between the retarder right cover 15 of reducer shell and the supporting disk 7 and be fixedly connected with pivot shaft 9, captive joint for bolt between the two ends of pivot shaft 9 and retarder right cover 15 and the supporting disk 7.
Be provided with transmission device between rotor shaft 23 in the drive motor and the differential casing, concrete structure is as follows: transmission device comprises internal tooth casing 25, internal tooth casing 25 is supported on the central hole of retarder right cover 15 by the 3rd bearing 14, the endoporus of internal tooth casing 25 is processed with internal tooth, the outside of the first external tooth cover 13 is processed with external tooth, and internal tooth casing 25 just is sleeved on the right part outside of the first external tooth cover 13, and internal tooth and external tooth are the running clearance interference fit each other, the number of teeth is identical, forms a fixed connection.Above-mentioned internal tooth and external tooth are the straight-tooth wheeled construction.
The external tooth of the left part of the first external tooth cover 13 is meshed with driven wheel 12, the endoporus of driven wheel 12 is processed with internal tooth, be set with the second external tooth cover 11 at pivot shaft 9, there is external tooth in the outside of the second external tooth cover 11, driven wheel 12 just engage sleeves is contained in the outside of the second external tooth cover 11, forms the identical running clearance transition fit of the number of teeth.Be provided with needle bearing between the second external tooth cover 11 and the pivot shaft 9.
Above-mentioned pivot shaft 9, driven wheel 12 are three groups or four groups, evenly distribute on circumference.
The second external tooth cover 11 is meshed with internally toothed annulus 8, and internally toothed annulus 8 is connected with differential casing.
The first external tooth cover 13 is connected with the rotor shaft 23 of drive motor, and its connecting structure is: be processed with interior straight-tooth 20 at endoporus place, the termination of rotor shaft 23.The right part of the first external tooth cover 13 directly inserts the endoporus place, termination of rotor shaft 23, and the external tooth of interior straight-tooth 20 and the first external tooth cover 13 connects in the running clearance transition fit mode of the identical number of teeth.Rotor shaft 23 is sleeved on right axle shaft 24 outsides in a tubular form.
The concrete structure that internally toothed annulus 8 is connected with differential casing is as follows: be connected by arrangement of clutch between internally toothed annulus 8 and the differential casing, be that to be provided with the 4th bearing 27, the four bearings 27 between the left part endoporus of internally toothed annulus 8 and the right differential housing 5 that forms differential casing be two groups.The left part of internally toothed annulus 8 outside is set with discoid clutch cover 31, for ball screw type is connected, namely between clutch cover 31 and internally toothed annulus 8 ball-screw 32 is housed between clutch cover 31 and the internally toothed annulus 8.Be respectively equipped with the second friction lining 30 and the 3rd friction lining 33 in the both sides of clutch cover 31, be provided with the 4th friction lining 34 that matches with the 3rd friction lining 33 in the side of right differential housing 5, right edge at right differential housing 5 has been bolted to connection side ring plate 28, and side ring plate 28 is provided with the first friction lining 29 that matches with the second friction lining 30.Each above-mentioned friction lining is all fixed by bonding way or flathead screw mode.After installing between the first friction lining 29 and the second friction lining 30, all leave the gap between the 3rd friction lining 33 and the 4th friction lining 34.
The external end head of right axle shaft 24 and left half axle 1 has subpanel by spline joint, is used for joining with wheel.
Be bolted to connection strut bar 26 between supporting disk 7 and retarder right cover 15, strut bar 26 evenly distributes with pivot shaft 9 spaces and on circumference.
During drive motor work, rotor shaft 23 drives the first external tooth cover 13 and rotates, the first external tooth cover 13 drives driven wheel 12, the second external tooth cover 11, internally toothed annulus 8 successively, the rotation of internally toothed annulus 8 can drive clutch cover 31 by ball-screw 32 and rotate, clutch cover 31 rotates rear axially displacement and is close to the friction lining of a side, thereby driving differential casing rotates in change speed gear box, two semiaxis rotate thereupon, such as the motor backward rotation, clutch cover 31 can rely on the friction lining of opposite side, change the rotation direction of differential casing, reach the purpose that battery-driven car is advanced or fallen back.
Owing to adopted the power delivery mode of two external tooth covers in the transmission device, cone pulley Transmission of the prior art and spline structure have been cancelled, the high-precision gear grinding mode is processed after making whole drive disk assemblies all can adopt heat, eliminate the defective of being out of shape after the heat, there is not the inconsistent situation of each gear cluster circumference upper angle, working accuracy and assembly precision have greatly been improved, easier assembling, unstressed generation between each parts after the assembling, it is mutually harmonious that each organizes the engagement of gear, operates steadily friction, noise is little, long service life.
The first external tooth cover 13 design length tooth one modes in the utility model can roll flute, the first external tooth cover 13 left ends and driven wheel 12 engagements behind the carburizing and quenching.The middle part adds internal tooth casing 25, packs into after the heating, namely grinds outer shaft cushion cap and the oil sealing external diameter of internal tooth casing 25 after the interference fit as positioning datum take the endoporus of the first external tooth cover 13.Interior straight-tooth 20 plug-in type transition or the free-running fits of rotor shaft 23 left ends of right-hand member and motor can be eliminated the footpath of rotor axis of electric 23 internal tooths and jump error, also friction during high rotating speed.
The second external tooth cover 11 also is designed to length tooth one mode, driven wheel 12 and the second external tooth cover 11 short external tooths insert engagement, and for precise transition cooperates, external tooth is the precise positioning ground finish and forms, can guarantee after the assembling that many group driven wheel angles are consistent, error can guarantee at 0.002mm.
As shown in Figure 9: be provided with arrangement of clutch between internally toothed annulus 8 and the differential casing, the arrangement of clutch structure is as follows: being provided with the 4th bearing 27, the four bearings 27 between the right differential housing 5 of the left part endoporus of internally toothed annulus 8 and composition differential casing is two groups.The left part outside of internally toothed annulus 8 is set with discoid clutch cover 31, between clutch cover 31 and the internally toothed annulus 8 ball-screw 32 is housed.Be fixedly connected with respectively the second friction lining 30 and the 3rd friction lining 33 in the both sides of clutch cover 31.Be set with a plurality of inner attrition pieces 45 in the outside, the two ends of clutch cover 31, be connected for the spur type suit between the endoporus of inner attrition piece 45 and the clutch cover 31 or spend the connection of strong formula suit, be i.e. can drive inner attrition piece 45 rotations during clutch cover 31 rotation.The right side of differential right casing 5 has been bolted to connection clutch outer member 43, clutch outer member 43 right-hand members have been bolted to connection side ring plate 28, be provided with a plurality of outside friction discs 44 that arrange separately with inner attrition piece 45 in the inboard of clutch outer member 43, is connected for the straight-tooth suit between outside friction disc 44 and the clutch outer member 43 or spends strong formula suit to connect, can drive clutch outer member 43 rotations when namely outside friction disc 44 rotates.
During drive motor work, rotor shaft 23 drives the first external tooth cover 13 and rotates, the first external tooth cover 13 drives driven wheel 12 successively, the second external tooth cover 11, internally toothed annulus 8, the rotation of internally toothed annulus 8 can drive clutch cover 31 by ball-screw 32 and rotate, clutch cover 31 rotates rear axially displacement and is close to the friction lining of a side, thereby the inner attrition piece 45 of a plurality of spaces and outside friction disc 44 being close to mutually drive differential casing rotates in change speed gear box, two semiaxis rotate thereupon, such as the motor backward rotation, clutch cover 31 can rely on a plurality of friction linings of opposite side, change the rotation direction of differential casing, reach the purpose that battery-driven car is advanced or fallen back.
As shown in Figure 8: the arrangement of clutch between internally toothed annulus 8 and the differential casing can also be another kind of version, concrete structure is as follows: be provided with the 4th bearing 27 between the right differential housing 5 of the left part endoporus of internally toothed annulus 8 and composition differential casing, the left part outside of internally toothed annulus 8 is set with clutch cover 31, for ball screw type is connected, namely between clutch cover 31 and internally toothed annulus 8, ball-screw 32 is housed between clutch cover 31 and the internally toothed annulus 8.Be bolted to connection inner conical drogue 40 at right differential housing 5, inner conical drogue 40 terminations have been bolted to connection interior conical ring 41, and interior conical ring 4 is symmetrical arranged with the conical surface of inner conical drogue 40 inboards.Be fixed with bipyramid friction lining 42 by screw on the outer circumference surface of clutch cover 31, bipyramid friction lining 42 matches with the conical surface on interior conical ring 41 and the inner conical drogue 40; The formed cone angle of each conical surface is 8 °～24 °.
Claims (7)
1. an electrocar dynamic assembly comprises reducer shell, is provided with differential casing in reducer shell, is provided with the differential parts in the differential casing, and the left half axle (1) and the right axle shaft (24) that join with the differential parts stretch out left and to the right respectively; One side of reducer shell is captiveed joint with the drive motor housing, is provided with transmission device between the rotor shaft in the drive motor and the differential casing;
It is characterized in that: be provided with clutch shaft bearing (2) between the retarder left cover (3) of described differential casing left part and composition reducer shell, the differential casing right part is connected with supporting disk (7) by the second bearing (6), is fixedly connected with pivot shaft (9) between the retarder right cover (15) of composition reducer shell and the supporting disk (7);
Described transmission device comprises internal tooth casing (25), internal tooth casing (25) is supported on the central hole of retarder right cover (15) by the 3rd bearing (14), the endoporus of internal tooth casing (25) is processed with internal tooth, the outside of the first external tooth cover (13) is processed with external tooth, internal tooth casing (25) just is sleeved on the outside of the first external tooth cover (13), and internal tooth and external tooth are the running clearance interference fit each other;
The first external tooth cover (13) is meshed with driven wheel (12), the endoporus of driven wheel (12) is processed with internal tooth, be set with the second external tooth cover (11) at pivot shaft (9), there is external tooth in the outside of the second external tooth cover (11), and driven wheel (12) just engage sleeves is contained in the outside of the second external tooth cover (11);
The second external tooth cover (11) is meshed with internally toothed annulus (8), and internally toothed annulus (8) is connected with differential casing;
Described the first external tooth cover (13) is connected with the rotor shaft (23) of drive motor.
2. electrocar dynamic assembly according to claim 1, it is characterized in that: the connecting structure between the rotor shaft (23) of described the first external tooth cover (13) and drive motor is to be processed with interior straight-tooth (20) at the endoporus place, termination of rotor shaft (23), and the first external tooth cover (13) mutually inserts with interior straight-tooth (20) and is connected.
3. electrocar dynamic assembly according to claim 2 is characterized in that: be provided with needle bearing between described the second external tooth cover (11) and the pivot shaft (9).
4. electrocar dynamic assembly according to claim 3, it is characterized in that: be connected with strut bar (26) between described supporting disk (7) and the retarder right cover (15), strut bar (26) evenly distributes with pivot shaft (9) space and on circumference.
5. according to claim 1 and 2 or 3 or 4 described electrocar dynamic assemblies, it is characterized in that: be provided with arrangement of clutch between described internally toothed annulus (8) and the differential casing, described arrangement of clutch structure is as follows: be provided with the 4th bearing (27) between the right differential housing (5) of the left part endoporus of internally toothed annulus (8) and composition differential casing, the left part outside of internally toothed annulus (8) is set with clutch cover (31), be connected for ball screw type between clutch cover (31) and the internally toothed annulus (8), be respectively equipped with the second friction lining (30) and the 3rd friction lining (33) in the both sides of clutch cover (31), be provided with the 4th friction lining (34) that matches with the 3rd friction lining (33) in the side of right differential housing (5), right edge at right differential housing (5) is fixedly connected with side ring plate (28), and side ring plate (28) is provided with the first friction lining (29) that matches with the second friction lining (30).
6. according to claim 1 and 2 or 3 or 4 described electrocar dynamic assemblies, it is characterized in that: be provided with arrangement of clutch between described internally toothed annulus (8) and the differential casing, described arrangement of clutch structure is as follows: be provided with the 4th bearing (27) between the right differential housing (5) of the left part endoporus of internally toothed annulus (8) and composition differential casing, the left part outside of internally toothed annulus (8) is set with clutch cover (31), be connected for ball screw type between clutch cover (31) and the internally toothed annulus (8), be respectively equipped with the second friction lining (30) and the 3rd friction lining (33) in the both sides of clutch cover (31), be set with a plurality of inner attrition pieces (45) in the outside, the two ends of clutch cover (31), be connected for the spur type suit between the endoporus of inner attrition piece (45) and the clutch cover (31) or spend the formula of being good for to be set with connection; The right side of differential right casing (5) is fixedly connected with clutch outer member (43), clutch outer member (43) right-hand member is fixedly connected with side ring plate (28), be provided with a plurality of outside friction discs (44) that arrange separately with inner attrition piece (45) in the inboard of clutch outer member (43), be connected for the straight-tooth suit between outside friction disc (44) and the clutch outer member (43) or spend the connection of strong formula suit.
7. according to claim 1 and 2 or 3 or 4 described electrocar dynamic assemblies, it is characterized in that: be provided with arrangement of clutch between described internally toothed annulus (8) and the differential casing, described arrangement of clutch structure is as follows: be provided with the 4th bearing (27) between the right differential housing (5) of the left part endoporus of internally toothed annulus (8) and composition differential casing, the left part outside of internally toothed annulus (8) is set with clutch cover (31), be connected for ball screw type between clutch cover (31) and the internally toothed annulus (8), be connected with inner conical drogue (40) at right differential housing (5), inner conical drogue (40) termination is fixed with interior conical ring (41), interior conical ring (41) is symmetrical arranged with the conical surface of inner conical drogue (40) inboard, outer circumference surface at clutch cover (31) is fixed with bipyramid friction lining (42), and bipyramid friction lining (42) matches with the conical surface on interior conical ring (41) and the inner conical drogue (40); The formed cone angle of the described conical surface is 8 °～24 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220218095 CN202753776U (en) | 2012-05-16 | 2012-05-16 | Electric car power assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220218095 CN202753776U (en) | 2012-05-16 | 2012-05-16 | Electric car power assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202753776U true CN202753776U (en) | 2013-02-27 |
Family
ID=47732969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220218095 Withdrawn - After Issue CN202753776U (en) | 2012-05-16 | 2012-05-16 | Electric car power assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202753776U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653231A (en) * | 2012-05-16 | 2012-09-05 | 大连金华齿轮箱制造有限公司 | Power assembly for electric passenger car |
-
2012
- 2012-05-16 CN CN 201220218095 patent/CN202753776U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653231A (en) * | 2012-05-16 | 2012-09-05 | 大连金华齿轮箱制造有限公司 | Power assembly for electric passenger car |
| CN102653231B (en) * | 2012-05-16 | 2015-10-28 | 大连金华齿轮箱制造有限公司 | Electrocar dynamic assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130227 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |