CN109018037A - Automobile chassis buoyant device - Google Patents
Automobile chassis buoyant device Download PDFInfo
- Publication number
- CN109018037A CN109018037A CN201810767162.6A CN201810767162A CN109018037A CN 109018037 A CN109018037 A CN 109018037A CN 201810767162 A CN201810767162 A CN 201810767162A CN 109018037 A CN109018037 A CN 109018037A
- Authority
- CN
- China
- Prior art keywords
- chassis
- air inlet
- buoyant device
- buoyancy
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D37/00—Stabilising vehicle bodies without controlling suspension arrangements
- B62D37/02—Stabilising vehicle bodies without controlling suspension arrangements by aerodynamic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D35/00—Vehicle bodies characterised by streamlining
- B62D35/02—Streamlining the undersurfaces
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/82—Elements for improving aerodynamics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The invention discloses automobile chassis buoyant devices, including chassis, set on chassis upper surface front end brake pedal and be fixedly installed in the buoyant device of chassis lower surface, the buoyant device front end is equipped with air inlet baffle, the air inlet baffle and the chassis are rotatablely connected by shaft, and the shaft and the chassis are rotatablely connected；The position that the inside chassis top corresponds to the brake pedal is fixedly installed with pressure sensor, and the chassis front end is equipped with cavity；The air inlet adjustment device includes servo motor, driving gear and driven gear, the servo motor and the driving gear are sequentially connected, the driven gear is coaxially connected with the shaft, and the driving gear is meshed with the driven gear, and the air inlet baffle is fixedly installed in the shaft.Beneficial effect is: the advantages that present invention has reduction horsepower to weight ratio, energy saving, improves security performance.
Description
Technical field
The present invention relates to vehicle chassis technology fields, more particularly to automobile chassis buoyant device.
Background technique
Aerodynamics is the key factor in Car design (including automobile).Automotive aerodynamics are to road vehicle
Aerodynamic research.The main purpose of research is that reducing resistance and wind makes an uproar, minimizes noise emissions and prevent
Other reasons of undesired lift and the aerodynamic instability under high speed.
The performance of automobile or other traffic public affairs tool is evaluated, traditionally service horsepower weight ratio indicates.Horsepower to weight ratio is
Weight is lighter under identical horsepower, and movenent performance is better, and weight is lighter, also more can be energy saving.Because the vehicles
Chassis area is sufficiently large, in addition aerodynamic principle, can produce the buoyancy counteracting vehicles and the object carried
Weight reduces weight by this mode and the weight ratio that soups, while achieving the purpose that energy saving.Existing technical side
Case does not consider that chassis can generate buoyancy in aeromechanics, and existing automobile is in brake process, braking distance
Can be too long, safety is bad.
Summary of the invention
The object of the invention is that providing automobile chassis buoyant device to solve the above-mentioned problems, it has reduction horse
Power weight ratio, it is energy saving, improve security performance the advantages that.
The present invention through the following technical solutions to achieve the above objectives:
Automobile chassis buoyant device, including chassis, set on chassis upper surface front end brake pedal and be fixedly installed in bottom
The buoyant device of disk lower surface, the buoyant device are made of two side plates and buoyancy curved surface, and the buoyant device front end is equipped with
It enters the wind baffle, the air inlet baffle and the chassis to be rotatablely connected by shaft, the shaft and the chassis are rotatablely connected；Institute
It states inside chassis top and corresponds to the position of the brake pedal and be fixedly installed with pressure sensor, the pressure sensor model is
PT124G-113, the position that the inside chassis bottom end corresponds to the air inlet baffle are fixedly installed with air inlet adjustment device, the bottom
Disk front end is equipped with cavity；The air inlet adjustment device includes servo motor, driving gear and driven gear, the servo motor model number
For Siemens V90, the servo motor and the driving gear are sequentially connected, the driven gear and the coaxial phase of the shaft
Even, the driving gear is meshed with the driven gear, and the air inlet baffle, the chassis are fixedly installed in the shaft
Inner wall is fixedly installed with locker, and the locker includes pneumatic cylinder and locking bar, and the shaft corresponds to the locker position and sets
There is latch, the buoyant device inner tip is fixedly installed with buoyancy curved surface, and downward, the buoyancy is bent for buoyancy curved surface concave surface
Face indent highest point is located at the chassis position of centre of gravity；The buoyancy curved surface be it is hollow, buoyancy curved surface front end be equipped with air inlet
Mouthful；The buoyant device rear end is equipped with wind-discharging baffle, the wind-discharging baffle and the chassis and is rotatablely connected by shaft, the bottom
The position that disk inner bottom corresponds to the wind-discharging baffle is fixedly installed with air draft adjuster, the air draft controller structure and described
Air inlet adjustment device is identical.
Preferably, the buoyancy curved surface is made of high performance plastics or light alloy material, and the buoyant device is by steel alloy
It is made.
So set, reducing curved surface to weight attached by automobile chassis, while the buoyant device is steel alloy, is increased
The service life of the buoyant device is added.
Preferably, the latch quantity shares 12, and it is rectangular that the latch cross sectional shape turns to end counterclockwise.
So set, facilitating different angle to adjust intake and carrying out position locking to the air inlet baffle, vapour is prevented
Baffle automatic fall-back is entered the wind described in vehicle operational process, influences device using effect.
Preferably, the air inlet baffle length and the side plate height of the buoyant device are identical, and the wind-discharging baffle compares institute
The side plate height for stating buoyant device is slightly short.
Buoyancy and wind-force discharge are generated so set, facilitating, is beneficial to running car.
Preferably, the air inlet baffle and the wind-discharging baffle cross sectional shape are identical with wing aileron cross sectional shape, whole
It is streamlined.
So set, facilitating guidance and adjusting wind direction, and intake is controlled, utilizes the car assisted operation of air force.
Beneficial effect is:
1, horsepower gravity ratio is reduced, the energy has been saved；
2, adjustable control intake and air inlet angle, make air force obtain most adequately utilizing；
3, installation weight is lighter, long service life.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the main sectional view of automobile chassis buoyant device of the present invention；
Fig. 2 is the main view of automobile chassis buoyant device of the present invention；
Fig. 3 is the left view of automobile chassis buoyant device of the present invention；
Fig. 4 is the air inlet baffle movement schematic diagram of automobile chassis buoyant device of the present invention；
Fig. 5 is the controller structure schematic diagram of automobile chassis buoyant device of the present invention；
Fig. 6 is the locker enlarged diagram of automobile chassis buoyant device of the present invention.
The reference numerals are as follows:
1, brake pedal；2, chassis；3, buoyant device；4, baffle is entered the wind；5, pressure sensor；6, air inlet adjustment device；7,
Buoyancy curved surface；8, block；9, air draft adjuster；10, wind-discharging baffle；11, exhaust outlet；12, driven gear；13, servo motor；
14, driving gear；15, shaft；16, locker；17, latch；18, pneumatic cylinder；19, locking bar.
Specific embodiment
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The invention will be further described with embodiment with reference to the accompanying drawing:
Embodiment 1
As Figure 1-Figure 5, automobile chassis buoyant device is stepped on including chassis 2, the brake set on 2 upper surface front end of chassis
Plate 1 and the buoyant device 3 for being fixedly installed in 2 lower surface of chassis, 3 front end of buoyant device are equipped with air inlet baffle 4, air inlet baffle 4 with
Shaft 15 is welded, and air inlet baffle 4 is rotatablely connected with chassis 2 by shaft 15, and shaft 15 and chassis 2 are rotatablely connected by bearing；
The position that 2 inner tip of chassis corresponds to brake pedal 1 is fixedly installed with pressure sensor 5, and pressure sensor 5 and controller are electrical
The position of connection, the corresponding air inlet baffle 4 of 2 inner bottom of chassis is fixedly installed with air inlet adjustment device 6, and 2 front end of chassis is equipped with cavity,
Air inlet baffle 4 rotates in cavity；Air inlet adjustment device 6 includes servo motor 13, driving gear 14 and driven gear 12, servo electricity
Machine 13 and controller are electrically connected, and servo motor 13 and driving gear 14 are sequentially connected, driven gear 12 and the coaxial phase of shaft 15
Even, driving gear 14 is meshed with driven gear 12, and air inlet baffle 4 is fixedly installed in shaft 15, and air inlet baffle 4 adjusts air inlet
Amount, 2 inner wall of chassis are fixedly installed with locker 16, and locker 16 includes pneumatic cylinder 18 and locking bar 19, the corresponding locker of shaft 15
16 positions are equipped with latch 17, and locking bar 19 is used for fixed rotating shaft 15 together with 17 inlay card of latch, prevents from rotating, in buoyant device 3
Portion top is fixedly installed with buoyancy curved surface 7, and downward, 7 indent highest point of buoyancy curved surface is located at 2 center of gravity of chassis to 7 concave surface of buoyancy curved surface；
Buoyancy curved surface 7 be it is hollow, 7 front end of buoyancy curved surface be equipped with air inlet 10,7 rear of buoyancy curved surface be equipped with exhaust outlet 11；Buoyant device 3
Rear end is equipped with wind-discharging baffle 10, and wind-discharging baffle 10 is rotatablely connected with chassis 2 by shaft 15, and 2 inner bottom of chassis corresponds to air draft
The position of baffle 10 is fixedly installed with air draft adjuster 9, and 9 structure of air draft adjuster and air inlet adjustment device 6 are identical.
Embodiment 2
As shown, the difference of the present embodiment and embodiment is: 17 quantity of latch shares 12,17 section shape of latch
It is rectangular that shape turns to end counterclockwise, and after regulating air inlet 4 angle of baffle, the pneumatic cylinder 18 in locker 16 receives order letter
Number, pressurising is carried out, locking bar 19 stretches out together with 17 inlay card of latch, prevents air inlet baffle 4 from falling after rise due to wind-force.
The operation principle of the present invention is that: in car starting, locker 16 is in non-locking state, and servo motor 13 receives control
The command signal of device processed, servo motor 13 rotate counterclockwise, and drive shaft 15 to rotate by driving gear 14 and driven gear 12,
And then shaft 15 drives air inlet baffle 4 to be rotated up, when entering the wind baffle 4 and ground level, locker 16 is run, pneumatic cylinder 18
Command signal is received, pressurising is carried out, locking bar 19 stretches out together with 17 inlay card of latch, and locking bar 19 is made to lock shaft 15；Car fortune
When row, enter wind in buoyant device 3, a part of wind enters in buoyancy curved surface 7 from the air inlet 10 of 7 front end of buoyancy curved surface
Portion, another part pass through below buoyancy curved surface 7, are discharged into a part of wind of buoyancy curved surface 7 from exhaust outlet 11, due to air
Principle of dynamics, in car operational process, for buoyancy curved surface 7 by upward buoyancy, buoyancy mainly acts on vehicles weight
Center portion position alleviates resistance suffered by automobile, improves the speed of service of automobile, reduces energy consumption；In vehicle traveling process
In, the open angle of air inlet baffle 4 can be adjusted, and then control intake, air draft adjuster 9 adjusts row according to speed needs
The open angle of windshield plate 10；When needing to brake, brake pedal 1 is depressed, after pressure sensor 5 receives signal, will be believed
Controller number is passed to, controller control servo motor 13 rotates clockwise, while the locking bar 19 in locker 16 is shunk, in turn
Shaft 15 drives air inlet baffle 4 to rotate down, and shaft 15 is locked by locker 16 later, and air inlet baffle 4 changes air inlet direction
And intake, the more convenient brake of buoyancy suffered by automobile is reduced, the wind into buoyant device 3 is finally arranged from wind-discharging baffle 10
Out.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.
Claims (5)
1. automobile chassis buoyant device, it is characterised in that: including chassis, the brake pedal set on chassis upper surface front end and fixation
It is installed on the buoyant device of chassis lower surface, the buoyant device is made of two side plates and buoyancy curved surface, the buoyant device
Front end is equipped with air inlet baffle, and the air inlet baffle and the chassis are rotatablely connected by shaft, and the shaft and the chassis turn
Dynamic connection；The position that the inside chassis top corresponds to the brake pedal is fixedly installed with pressure sensor, in the chassis
The position that portion bottom end corresponds to the air inlet baffle is fixedly installed with air inlet adjustment device, and the chassis front end is equipped with cavity；It is described into
Ventilating regulator includes servo motor, driving gear and driven gear, and the servo motor and the driving gear are sequentially connected, institute
It states driven gear to be coaxially connected with the shaft, the driving gear is meshed with the driven gear, fixed in the shaft
The air inlet baffle is installed, the chassis inner wall is fixedly installed with locker, and the locker includes pneumatic cylinder and locking bar, institute
It states shaft and corresponds to the locker position equipped with latch, the buoyant device inner tip is fixedly installed with buoyancy curved surface, described
Downward, the buoyancy curved surface indent highest point is located at the chassis position of centre of gravity for buoyancy curved surface concave surface；The buoyancy curved surface is sky
The heart, buoyancy curved surface front end are equipped with air inlet, and buoyancy curved surface rear end is equipped with exhaust outlet；The buoyant device rear end is equipped with
Wind-discharging baffle, the wind-discharging baffle and the chassis are rotatablely connected by shaft, and the inside chassis bottom end corresponds to the air draft
The position of baffle is fixedly installed with air draft adjuster, and the air draft controller structure is identical with the air inlet adjustment device.
2. automobile chassis buoyant device according to claim 1, it is characterised in that: the buoyancy curved surface is by high performance plastics
Or light alloy material is made, the buoyant device is made of steel alloy.
3. automobile chassis buoyant device according to claim 1, it is characterised in that: the latch quantity shares 12,
It is rectangular that the latch cross sectional shape turns to end counterclockwise.
4. automobile chassis buoyant device according to claim 1, it is characterised in that: the air inlet baffle length and described floating
The side plate height of power device is identical, and the wind-discharging baffle is slightly shorter than the side plate height of the buoyant device.
5. automobile chassis buoyant device according to claim 1, it is characterised in that: the air inlet baffle and air draft gear
Plate cross sectional shape is identical with wing aileron cross sectional shape, whole streamlined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810767162.6A CN109018037A (en) | 2018-07-13 | 2018-07-13 | Automobile chassis buoyant device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810767162.6A CN109018037A (en) | 2018-07-13 | 2018-07-13 | Automobile chassis buoyant device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109018037A true CN109018037A (en) | 2018-12-18 |
Family
ID=64640954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810767162.6A Pending CN109018037A (en) | 2018-07-13 | 2018-07-13 | Automobile chassis buoyant device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109018037A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04237685A (en) * | 1991-01-18 | 1992-08-26 | Nippondenso Co Ltd | Air spoiler device |
| JPH0520985U (en) * | 1991-08-30 | 1993-03-19 | 三菱自動車工業株式会社 | Structure to improve fuel efficiency of truck bed |
| DE19649123A1 (en) * | 1996-11-27 | 1998-05-28 | Ralf Schwarz | Device for aerodynamic increase of ground contact pressure of vehicles |
| US6196620B1 (en) * | 1999-03-19 | 2001-03-06 | William H. Haraway, Jr. | Aerodynamically responsive vehicular undercarriage safety spoiler system |
| US20040036320A1 (en) * | 2001-10-19 | 2004-02-26 | Rees Clayton B. | Apparatus and method for increasing downward force exerted on a spinning vehicle |
| US20170113741A1 (en) * | 2015-10-23 | 2017-04-27 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Rear-end diffuser arrangement for a motor vehicle |
| CN106672092A (en) * | 2015-11-06 | 2017-05-17 | 朱晓义 | Energy saving automobile capable of reducing self-weight during driving |
| CN106809289A (en) * | 2015-11-30 | 2017-06-09 | 通用汽车环球科技运作有限责任公司 | The selectivity control of aerodynamics of vehicle |
| CN107571810A (en) * | 2017-08-16 | 2018-01-12 | 北京汽车股份有限公司 | Engine bottom guard plate component and there is its vehicle |
| CN208429167U (en) * | 2018-07-13 | 2019-01-25 | 吴孟儒 | Automobile chassis buoyant device |
-
2018
- 2018-07-13 CN CN201810767162.6A patent/CN109018037A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04237685A (en) * | 1991-01-18 | 1992-08-26 | Nippondenso Co Ltd | Air spoiler device |
| JPH0520985U (en) * | 1991-08-30 | 1993-03-19 | 三菱自動車工業株式会社 | Structure to improve fuel efficiency of truck bed |
| DE19649123A1 (en) * | 1996-11-27 | 1998-05-28 | Ralf Schwarz | Device for aerodynamic increase of ground contact pressure of vehicles |
| US6196620B1 (en) * | 1999-03-19 | 2001-03-06 | William H. Haraway, Jr. | Aerodynamically responsive vehicular undercarriage safety spoiler system |
| US20040036320A1 (en) * | 2001-10-19 | 2004-02-26 | Rees Clayton B. | Apparatus and method for increasing downward force exerted on a spinning vehicle |
| US20170113741A1 (en) * | 2015-10-23 | 2017-04-27 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Rear-end diffuser arrangement for a motor vehicle |
| CN106672092A (en) * | 2015-11-06 | 2017-05-17 | 朱晓义 | Energy saving automobile capable of reducing self-weight during driving |
| CN106809289A (en) * | 2015-11-30 | 2017-06-09 | 通用汽车环球科技运作有限责任公司 | The selectivity control of aerodynamics of vehicle |
| CN107571810A (en) * | 2017-08-16 | 2018-01-12 | 北京汽车股份有限公司 | Engine bottom guard plate component and there is its vehicle |
| CN208429167U (en) * | 2018-07-13 | 2019-01-25 | 吴孟儒 | Automobile chassis buoyant device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8740285B2 (en) | Vehicle airfoils for safety, efficiency, and performance | |
| US20080116715A1 (en) | Truck Streamlining | |
| CN105150862B (en) | A kind of Sightseeing Trolley | |
| CN104442751A (en) | Vehicle braking auxiliary device based on aerodynamics | |
| CN107380271A (en) | A kind of galloping automatic adjusument aerodynamic lift device | |
| CN202624117U (en) | Automobile grille device | |
| US20220082088A1 (en) | Translationally movable wind power plant | |
| CN208429167U (en) | Automobile chassis buoyant device | |
| CN212738321U (en) | Self-adaptive automobile tail wing | |
| US20220355673A1 (en) | Vehicular wind turbine system | |
| CN109018037A (en) | Automobile chassis buoyant device | |
| KR20180089878A (en) | Air Energy Electric Car System | |
| CN107813707B (en) | A kind of electric vehicle energy collection and conversion device | |
| CN108275263A (en) | A kind of manned more rotor flying vehicles | |
| CN113264070A (en) | Turbulence device for intercity train | |
| CN204368123U (en) | A kind of based on aerodynamic car brakeing auxiliary device | |
| CN201951265U (en) | Wind energy assisting electric automobile | |
| CN106114536B (en) | Wind energy loss of weight and increase adhesion system in train driving | |
| CN208248492U (en) | A kind of manned more rotor flying vehicles | |
| CN109263418A (en) | A kind of land and air double-used automobile | |
| CN201824895U (en) | Electric automobile boosted by wind power | |
| CN213057332U (en) | Body structure of miniature van-type motor vehicle and two-wheeled motor vehicle | |
| CN212406942U (en) | Special transport vechicle of pull formula wind-powered electricity generation blade | |
| CN208881557U (en) | Auxiliary brake device for automobile based on day window opening and closing | |
| CN107031672B (en) | A kind of engine hatch lamp autosteerer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |