CN108749976B - Rear suspension device for motor vehicle - Google Patents
Rear suspension device for motor vehicle Download PDFInfo
- Publication number
- CN108749976B CN108749976B CN201810739475.0A CN201810739475A CN108749976B CN 108749976 B CN108749976 B CN 108749976B CN 201810739475 A CN201810739475 A CN 201810739475A CN 108749976 B CN108749976 B CN 108749976B
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- Prior art keywords
- coupling
- connecting body
- arms
- motor vehicle
- rear suspension
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- 239000000725 suspension Substances 0.000 title claims abstract description 23
- 230000008878 coupling Effects 0.000 claims description 46
- 238000010168 coupling process Methods 0.000 claims description 46
- 238000005859 coupling reaction Methods 0.000 claims description 46
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K5/02—Tricycles
- B62K5/027—Motorcycles with three wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K5/02—Tricycles
- B62K5/06—Frames for tricycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M7/00—Motorcycles characterised by position of motor or engine
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
The invention discloses a rear suspension device of a motor vehicle, which is used for realizing the connection between a rear wheel and a frame of the motor vehicle, and the structure comprises a connecting body, wherein two rear wheels are respectively arranged at two opposite sides of the connecting body, a connecting head is fixed at a hub of the rear wheel, one connecting head corresponds to two swing arms, and two ends of each swing arm are respectively hinged with the connecting head and the connecting body; the power machine is fixed on the connecting body, and the flexible shaft connected on the connecting body transmits the output power of the power machine to the rear wheels. The two rear wheels form a linkage system in the lateral direction, so that the tricycle has good anti-rolling effect after being applied to the tricycle, and the stability of the tricycle and the driving stimulus can be effectively improved.
Description
Technical Field
The present invention relates to a motor vehicle, and more particularly to a rear suspension device for a motor vehicle located at a rear wheel location.
Background
Most of the existing household electric vehicles are two-wheel electric vehicles and three-wheel electric vehicles and four-wheel electric vehicles, and in all the electric vehicles, the wheels, particularly the rear wheels, are fixedly connected with a rear bottom fork of a frame. The conventional electric vehicle is generally only provided with a damper between a seat cushion part and a rear bottom fork, and jolts generated in the running process of the electric vehicle are buffered through the damper so as to improve the riding comfort of the electric vehicle. The anti-rolling capability of the electric vehicle in the running process is relatively low, if the rolling range of the vehicle is overlarge, the vehicle is easy to turn over, so that the electric vehicle can safely pass through the road after being required to be reduced in speed when the conventional electric vehicle is driven to pass through a curved road. In addition, the existing motor is generally built in the hub of the rear wheel, and the motor has the advantages of good structural compactness but inconvenient installation and disassembly.
Disclosure of Invention
The invention aims to solve the technical problems that: the rear suspension device of the motor vehicle can effectively improve the stability of the motor vehicle in the driving process, and the anti-roll capability of the motor vehicle is good.
In order to solve the technical problems, the technical scheme of the invention is as follows: the rear suspension device of the motor vehicle comprises a connecting body and is characterized in that two wheels are respectively arranged on two opposite sides of the connecting body, a connecting head is fixed at the wheel hub of the wheels, one connecting head corresponds to two swing arms, and two ends of each swing arm are respectively hinged with the connecting head and the connecting body; the motor is fixed on the connecting body, and the flexible shaft connected on the connecting body transmits the output power of the motor to the wheels.
The rear suspension device is mainly applied to motor tricycles, in particular to electric tricycles, and is used for connecting and driving two rear wheels of the electric tricycles. The flexible shaft can be a soft steel wire rope, a ball head connecting structure is arranged at the end part of the hard shaft, or a universal cross structure is arranged to realize that the flexible shaft can adapt to the side tilting of a vehicle under the premise of transmission. The connecting body is used as one main connecting piece in the rear suspension device and has the functions of connecting the power machine, the wheels and the frame. The power machine can be a motor or an internal combustion engine, and mainly refers to the motor.
Further, the coupling head comprises a ring-shaped coupling ring, the coupling ring is fixed at the position of the hub, two coupling arms are coupled on the coupling ring, the coupling arms are obliquely arranged on the coupling ring, the swing arms are hinged with the end parts of the coupling arms, and the swing arms hinged with one coupling head are respectively arranged on the upper side and the lower side of the flexible shaft. The connecting head is provided with the connecting ring, so that the connecting head can be well adapted to the connection and fixation of the hub, and the two connecting arms are arranged, so that the connection of the swing arms is facilitated, and the swing arms can be well arranged on the upper side and the lower side of the flexible shaft.
Further, the structure of the swing arm comprises a connecting block and two fork arms, wherein the connecting block is hinged with the connecting arm, the fork arms are connected to the connecting block in a forked shape, and the fork arms are hinged with the connecting body. The two fork arms are arranged, so that the connection between the swing arm and the connecting body is convenient, and the connection stability between the swing arm and the connecting body is good. The connecting block is arranged, so that the fork arm is convenient to set, and the connecting stability with the connecting arm is good.
Further, the two swing arms at the upper side are respectively fixed with a connecting seat, and two ends of the spring are respectively connected with the two connecting seats. By arranging the springs on the two swing arms, the smoothness of the swing arms in the space position change process can be effectively improved, and the comfort in driving is improved.
Further, a cushion block is arranged on one side of the swing arm, which faces the flexible shaft. The flexible shaft is prevented from being twisted together with the fork arms on the swing arms through the separation of the cushion block, so that the working stability of the electric vehicle can be effectively improved, the electric vehicle can roll left and right in the driving process conveniently, and the driving safety is improved.
Further, the connecting body is fixed with a hinged plate, and one end part of the swing arm is hinged in a notch on the hinged plate through a pivot. The hinge plates are generally welded or bolted and fixed on the connecting body, and the hinge plates are arranged to facilitate the hinge joint between the swing arm and the connecting body, so that the structure is simple, and the rotation flexibility between the swing arm and the connecting body is good.
Further, the connecting body is cylindrical, the power machine is fixed at the end part of the connecting body, the power output shaft of the power machine extends into the connecting body, a reversing mechanism is arranged in the connecting body, and the flexible shaft is connected to the reversing mechanism. The connecting body is in the structure form, so that the power machine and the connecting body are conveniently connected and fixed, the transmission structure between the power machine and the flexible shaft is conveniently arranged, and the structure is simple and compact.
Further, the left side and the right side of the connecting body are respectively fixed with connecting plates which are arranged vertically, and the flexible shaft penetrates through the connecting plates. The connecting plate is used for being connected with the rear bottom fork of the electric vehicle and the shock absorber, so that the electric vehicle can be conveniently assembled.
Further, the coupling plate is coupled to a ferrule that is coupled to the coupling body. Through the arrangement of the hoops, the connection firmness between the connecting plate and the connecting body can be effectively improved, and the integral connection firmness of the electric vehicle is ensured.
Further, the hoop is of a split structure and comprises two half rings, one connecting plate is connected with one half ring, and two ends of the two half rings are respectively provided with a tongue-and-groove which is mutually matched and connected. The end parts of the two half rings are respectively connected and fixed through bolts, and the hoop is of the split structure, so that the hoop and the connecting body are conveniently connected.
Compared with the prior art, the invention has the beneficial effects that: the two rear wheels and the connecting body are movably connected together through the double swing arms, a linkage system adapting to the rolling of the rear wheels is formed between the two rear wheels, when the motor vehicle is used on a curve or a bumpy road, the swing arms reduce the rolling of the motor vehicle body through the change of the space angle, the height difference between the two rear wheels and the change of the inclination angle of the two rear wheels, the stability of a driver on the motor vehicle is good, the sitting posture of the driver is less influenced by road conditions, and the driving comfort is good. The speed of the motor vehicle in the descending of the complex road condition is ensured, and the driving stimulus is brought to the driver under the advance of ensuring the driving safety. The flexible shaft is arranged, so that the transmission requirement of the motor vehicle in the driving process can be well met, and the motor vehicle can drive with continuous power. The power machine is directly fixed on the connecting body, so that the connection and the transmission of the power machine are facilitated, the power machine drives two rear wheels smoothly, and the running stability of the motor vehicle is good.
Drawings
Fig. 1 is a perspective view of the rear suspension device of the motor vehicle in one direction.
Fig. 2 is a perspective view of the rear suspension of the motor vehicle in another direction.
Fig. 3 is a view showing a use state of the rear suspension device of the present motor vehicle.
Fig. 4 is a view showing another use state of the rear suspension device of the present motor vehicle.
Fig. 5 is a reference view of still another use state of the rear suspension device of the present motor vehicle.
Detailed Description
The present rear suspension device will be further described below by taking an example of application of the present rear suspension device to an electric vehicle.
In the drawings, the rear suspension device of the motor vehicle is applied to the rear part of the electric vehicle to realize the connection between the rear wheels 10 and the frame. The rear suspension device is mainly applied to tricycles, in particular to electric tricycles, the main body structure comprises a connecting body 1, and two rear wheels 10 are connected with the frame of the tricycles through the connecting body 1.
Two rear wheels 10 are respectively arranged on two opposite sides of the connecting body 1, a connecting head is fixed at the hub position of the rear wheels 10, one connecting head corresponds to two swing arms, and two ends of each swing arm are respectively hinged with the connecting head and the connecting body 1. The motor is fixed on the connecting body 1, and a flexible shaft connected on the connecting body 1 transmits the output power of the motor to the wheels 10. The structure of the flexible shaft is shown to comprise a transmission rod 3, and universal ten-joint or ball-joint structures are respectively arranged at two ends of the transmission rod 3, so that the transmission rod 3 is in transmission connection with a motor and a rear wheel 10. The transmission rod 3 can be arranged into a split structure, and comprises a sleeve and an inserted rod which are sleeved and matched, wherein balls and sliding grooves which are matched with each other are arranged between the inner peripheral surface of the sleeve and the outer peripheral surface of the inserted rod, the sliding grooves are generally arranged on the inner peripheral surface of the sleeve along the axial direction of the sleeve, the balls are arranged on the inserted rod, and the relatively smooth axial sliding between the inserted rod and the sleeve is realized through the matching between the balls and the sliding grooves, so that the transmission rod 3 can adapt to the requirement on the length of the transmission rod 3 caused by the change of the inclination angle of the rear wheel 10. Of course, the flexible shaft may be formed by twisting a flexible wire into strands, and inserted into the cylindrical transmission rod 3 with a gap therebetween.
The coupling head comprises a ring-shaped coupling ring 51, the coupling ring 51 is fixed at the hub position by a fixing bolt, two coupling arms 52 are integrally formed on the coupling ring 51, and the two coupling arms 52 are obliquely arranged on the coupling ring 51. The flexible shaft passes through the center of the coupling ring 51 to be in driving connection with the hub of the rear wheel 10, so that the rear wheel 10 rolls forward under the action of electric power. The ends of the swing arm and the coupling arm 52 are hinged together, and two swing arms coupled with two coupling arms 52 on one coupling head are respectively arranged on the upper side and the lower side of the flexible shaft.
The structure of the swing arm comprises a connecting block 42 and two fork arms 41, wherein the two fork arms 41 in the swing arm are arranged in the same plane, the two fork arms 41 are connected to the connecting block 42 in a forked shape, the outer end parts of the fork arms 41 are hinged with the connecting body 1, and the connecting block 42 is hinged with the connecting arm 52 through a pivot. A spacer 8 is provided on the coupling piece 42 on the side facing the transmission rod 3, the spacer 8 being made of an elastic material such as rubber. In the driving process, after the space angle of the swing arm changes, the swing arm is contacted with the transmission rod 3 through the cushion block 8, so that the contact damage to the transmission rod 3 is reduced, and meanwhile, the normal driving is not influenced by the excessive change of the angle.
With reference to fig. 1 and 2, a coupling seat 7 is fixedly coupled to each of the coupling blocks 42 on the upper sides, and both ends of a spring 6 are coupled to the two coupling seats 7. When the space angle of the swing arm changes, the spring 6 can slow the speed of the space angle change of the swing arm through the expansion and contraction of the adaptability, so that the aim of improving the riding comfort of the electric vehicle is fulfilled.
The connecting body 1 is cylindrical, the motor is fixed at the position of the end part of the connecting body 1 facing the front wheel of the tricycle, and the power output shaft of the motor extends into the connecting body 1. A reversing mechanism is arranged in the connecting body 1, and the flexible shaft is connected to the reversing mechanism. The reversing mechanism can be a worm and gear mechanism or a bevel gear pair matched with each other, and the output power of the motor can realize reversing through the arrangement of the reversing mechanism so as to adapt to the ground transmission of the motor to the rear wheel 10. The part of the coupling body 1 at the position of the reversing mechanism is spherical, the reversing mechanism is positioned at the spherical part of the coupling body, and an opening for the flexible shaft to pass through is arranged at the spherical part. The spherical structure is formed on the connecting body 1, so that the device can be well adapted to the arrangement of a reversing mechanism, and the working stability of the reversing mechanism is ensured.
The hinge plate 9 is fixed on the coupling body 1, the hinge plate 9 is fixed on the coupling body 1 in a vertical mode through welding, and the outer end part of the fork arm 41 is hinged in a notch on the hinge plate 9 through a pivot. The left and right sides of the connecting body 1 are respectively connected with a connecting plate 2 through fixing bolts, a hinged plate 9 is positioned on the inner side of the connecting plate 2, the connecting plate 2 is also arranged vertically, and a flexible shaft penetrates through the connecting plate 2. The connecting plate 2 is generally fixed on the connecting body 1 through bolts, and in application, a rear bottom fork of the electric vehicle is in fork connection with the outer side of the connecting plate 2, two ends of the rear bottom fork are respectively connected and fixed on the connecting plate 2 through fixing screws, and a shock absorber arranged on the lower side of a rear seat cushion of the electric vehicle is also connected on the connecting plate 2.
In order to improve the connection firmness between the connecting plate 2 and the connecting body 1, one end of the connecting plate 2 is connected with a hoop 21, and the hoop 21 is hooped on the connecting body 1. The hoop 21 is of a split structure, and comprises two half rings, one connecting plate 2 is connected with one half ring, two ends of the two half rings are respectively provided with rabbets which are mutually matched and connected, and the two half rings are fixed through fixing bolts at the rabbet positions of the two ends of the two half rings to form a complete hoop 21.
Claims (6)
1. The rear suspension device of the motor vehicle comprises a connecting body and is characterized in that two wheels are respectively arranged on two opposite sides of the connecting body, a connecting head is fixed at the wheel hub of the wheels, one connecting head corresponds to two swing arms, and two ends of each swing arm are respectively hinged with the connecting head and the connecting body; the power machine is fixed on the connecting body, and the flexible shaft connected on the connecting body transmits the output power of the power machine to the wheels;
the connecting body is cylindrical, the power machine is fixed at the end part of the connecting body, the power output shaft of the power machine extends into the connecting body, the reversing mechanism is arranged in the connecting body, and the flexible shaft is connected to the reversing mechanism; the left side and the right side of the connecting body are respectively fixed with a connecting plate, the connecting plates are arranged vertically, the rear bottom fork is in fork connection with the outer side of the connecting plate, and the flexible shaft penetrates through the connecting plates; the connecting plate is connected to the hoop, and the hoop is connected to the connecting body; the hoop is of a split structure and comprises two half rings, one connecting plate is connected with one half ring, and two ends of the two half rings are respectively provided with a rabbet which is mutually matched and connected.
2. A rear suspension device for a motor vehicle according to claim 1, wherein the coupling head comprises a ring-shaped coupling ring fixed at the hub position, two coupling arms coupled to the coupling ring, the coupling arms being disposed obliquely on the coupling ring, the swing arms being hinged with the ends of the coupling arms, the swing arms being hinged with one coupling head being arranged on the upper and lower sides of the flexible shaft.
3. A rear suspension device for a motor vehicle according to claim 2, wherein the swing arm comprises a coupling block and two fork arms, the coupling block being hinged to the coupling arms, the fork arms being coupled to the coupling block in a bifurcated manner, the fork arms being hinged to the coupling body.
4. A rear suspension device for a motor vehicle according to claim 2, wherein the two swing arms on the upper side are respectively fixed with a coupling seat, and both ends of the spring are respectively coupled to the two coupling seats.
5. A rear suspension device for a motor vehicle according to claim 1, wherein a pad is provided on a side of the swing arm facing the flexible shaft.
6. The rear suspension of claim 1 wherein the coupling body has a hinge plate secured thereto and wherein an end of the swing arm is pivotally coupled within a notch in the hinge plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810739475.0A CN108749976B (en) | 2018-07-06 | 2018-07-06 | Rear suspension device for motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810739475.0A CN108749976B (en) | 2018-07-06 | 2018-07-06 | Rear suspension device for motor vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108749976A CN108749976A (en) | 2018-11-06 |
| CN108749976B true CN108749976B (en) | 2024-03-26 |
Family
ID=63972772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810739475.0A Active CN108749976B (en) | 2018-07-06 | 2018-07-06 | Rear suspension device for motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108749976B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05294254A (en) * | 1992-04-23 | 1993-11-09 | Nissan Motor Co Ltd | Suspension device |
| US5511817A (en) * | 1992-06-16 | 1996-04-30 | Nissan Motor Co., Ltd. | Vehicle axle suspension system |
| CN201193070Y (en) * | 2007-11-02 | 2009-02-11 | 上海双迎工贸有限公司 | Tricycle suspended type universal transmission system |
| CN202011448U (en) * | 2011-04-28 | 2011-10-19 | 重庆现代摩托车研究所 | Laterally inclinable positive tricycle |
| CN205916144U (en) * | 2016-08-29 | 2017-02-01 | 秦皇岛鸿鼎轻工机械技术有限公司 | Card rail car wheel independent suspension |
| CN206031671U (en) * | 2016-09-21 | 2017-03-22 | 翟如贵 | Wheel suspension device of preventing turning on one's side |
| CN106585831A (en) * | 2016-12-13 | 2017-04-26 | 重庆宗申技术开发研究有限公司 | Front suspension deflecting structure for backing of tricycle |
| CN206501962U (en) * | 2016-11-28 | 2017-09-19 | 重庆力之星机车制造有限责任公司 | A kind of front suspension deflection mechanism of tricycle |
| CN206510710U (en) * | 2017-03-07 | 2017-09-22 | 熊国峰 | Electric car suspension |
| CN207416520U (en) * | 2017-09-19 | 2018-05-29 | 中国重汽集团济南动力有限公司 | A kind of pure electric vehicle driving unit |
| CN208429193U (en) * | 2018-07-06 | 2019-01-25 | 立马车业集团有限公司 | Motor vehicle rear linkage |
-
2018
- 2018-07-06 CN CN201810739475.0A patent/CN108749976B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05294254A (en) * | 1992-04-23 | 1993-11-09 | Nissan Motor Co Ltd | Suspension device |
| US5511817A (en) * | 1992-06-16 | 1996-04-30 | Nissan Motor Co., Ltd. | Vehicle axle suspension system |
| CN201193070Y (en) * | 2007-11-02 | 2009-02-11 | 上海双迎工贸有限公司 | Tricycle suspended type universal transmission system |
| CN202011448U (en) * | 2011-04-28 | 2011-10-19 | 重庆现代摩托车研究所 | Laterally inclinable positive tricycle |
| CN205916144U (en) * | 2016-08-29 | 2017-02-01 | 秦皇岛鸿鼎轻工机械技术有限公司 | Card rail car wheel independent suspension |
| CN206031671U (en) * | 2016-09-21 | 2017-03-22 | 翟如贵 | Wheel suspension device of preventing turning on one's side |
| CN206501962U (en) * | 2016-11-28 | 2017-09-19 | 重庆力之星机车制造有限责任公司 | A kind of front suspension deflection mechanism of tricycle |
| CN106585831A (en) * | 2016-12-13 | 2017-04-26 | 重庆宗申技术开发研究有限公司 | Front suspension deflecting structure for backing of tricycle |
| CN206510710U (en) * | 2017-03-07 | 2017-09-22 | 熊国峰 | Electric car suspension |
| CN207416520U (en) * | 2017-09-19 | 2018-05-29 | 中国重汽集团济南动力有限公司 | A kind of pure electric vehicle driving unit |
| CN208429193U (en) * | 2018-07-06 | 2019-01-25 | 立马车业集团有限公司 | Motor vehicle rear linkage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108749976A (en) | 2018-11-06 |
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