CN201721511U - Miniature electric vehicle structure - Google Patents
Miniature electric vehicle structure Download PDFInfo
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- CN201721511U CN201721511U CN2010201370662U CN201020137066U CN201721511U CN 201721511 U CN201721511 U CN 201721511U CN 2010201370662 U CN2010201370662 U CN 2010201370662U CN 201020137066 U CN201020137066 U CN 201020137066U CN 201721511 U CN201721511 U CN 201721511U
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- driven car
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Abstract
The utility model relates to an arrangement structure of a miniature electric vehicle, which overcomes the defects of larger electric vehicle weight and weaker cruising capability in the prior art and comprises a chassis framework, a vehicle body framework, a covering, a seat, a steering system, a transmission system and a braking system, wherein the covering is coated at the outside, the seat, the steering system, the transmission system and the braking system are fixed on the chassis framework, the chassis framework comprises a front main crossbeam, a rear main crossbeam and a keel for connecting the front main crossbeam and the rear main crossbeam, the vehicle body framework comprises two arched main side beams, U-shaped front wind-shielding frame beams at the front ends of the main side beams and rear door frame beams at the rear ends of the main side beams, and the main side beams, the front wind-shielding frame beams, the rear door frame beams, a vehicle top rear beam, the front main crossbeam, the rear main crossbeam and the keel form a cage type framework structure; and the main side beams, the front wind-shielding frame beams and the rear door frame beam are in an integrated structure with smooth transition. The same steel pipe is adopted to be integrally bent into the door frame beams, the main side beams and the front wind-shielding frame beams, and the positions of welded connection are reduced, thereby the parts of stress concentration are reduced, and meanwhile, the probability of vehicle body framework deformation is reduced; and the arrangement of battery positions is optimized, and the effective space inside the electric vehicle is reasonably utilized.
Description
Technical field
The utility model relates to a kind of battery-driven car arrangement structure, especially a kind of arrangement structure of mini electric vehicle.
Background technology
Current social energy scarcity, particularly as non-renewable coal, oil resources, and the external relatively reserves of these domestic resources are little, and this substitutes non-renewable resources such as oil with regard to requiring to seek necessary substitute.Quickening of urbanization process, people's living standard improves gradually, and automobile uses more and more widely as the indispensable vehicle of people's daily life, and the recoverable amount per capita of automobile also progressively increases.The tail gas that automobile produces in the process of moving is also more and more, and people are also more and more higher to the requirement of living environment, press for a kind of later-model energy source of car like this and come the gasoline replacing energy.
Present stage, electric energy progressively obtained using at automotive field as clean energy resource, electronlmobil or hybrid vehicle are used in research in a lot of automotive development commercial cities, and obtained bigger achievement, but battery-driven car is because the restriction of battery performance, can not continue a journey for a long time, therefore needing new strategy solves this problem, a lot of electronlmobil designs adopt the mode that strengthens capacity of cell to solve this problem, but strengthen the weight that capacity of cell will increase automobile, this has also increased the extra output of battery simultaneously, also having a kind of mode is to reduce the weight of automobile, perhaps dwindle the volume of automobile, under the state of same capacity battery, can travel the longer time like this, but dwindling the automobile volume can reduce travelling comfort.Mostly general compact car is at the scenic spot or uses in the zone among a small circle that the restriction owing to structure seldom has small-sized battery-driven car to travel on highway.
For improving ride comfort, present automotive interior space is all bigger, makes that automobile single-piece oad is bigger, chaufeur has been proposed higher driving requirement, simultaneously, because the restriction of urban size, the parking area for vehicles scope is less, makes parking difficulty become puzzlement automobile owner's problem.
A CN1948039A document was disclosed on April 18th, 2007, name is called a kind of ultramicroscopic electric car, comprise power drive system, chassis system and bodywork system and steering wheel type steering hardware, bodywork system is body structure or the all-glass fibre reinforced plastic body structure that steel pipe skeleton covers covering outward, a CN200974557Y patent was disclosed on November 14th, 2007, name is called vehicle body framework construction, the steel pipe skeleton of this body framwork is divided into upper frame module and bottom vehicle frame module two parts, and the point of connection position flange plate type of upper frame module and bottom vehicle frame intermodule is connected.No matter being upper module or lower module, this body structure all is to use steel pipe to be spliced, not integrative-structure, though it is the splicing back forms integrative-structure, many by the weld nugget that welding forms, form stress concentration easily in the position of weld, the probability that vehicle body is made the back distortion is bigger.
Summary of the invention
The utility model has solved in the prior art that battery-driven car weight is bigger, and the shortcoming that flying power is more weak provides a kind of weight less, can bring the miniature electric bassinet structure of strong flying power.
The practical steel pipe of vehicle body that the utility model has solved the middle-size and small-size battery-driven car of prior art is spliced to form, the position of weld is more, vehicle body forms the shortcoming of stress concentration easily in the position of weld, provide a kind of simple in structure, adopt the steel pipe one to be bent to form, the position of weld is few, alleviates the miniature electric bassinet structure of stress concentration phenomenon.
Another purpose of the present utility model provides a kind of teardrop body, can reduce windage, and is rational in infrastructure and can alleviate the miniature electric bassinet structure of tare.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of miniature electric bassinet structure, comprise chassis skeleton and body framwork and be coated on exterior covering, seat, steering system, transmission system and brake system, seat, steering system, transmission system and brake system are fixed on the skeleton of chassis, the chassis skeleton comprises preceding main beam, the keel of main beam and back main beam before back main beam and the connection, body framwork comprises two master beams that are arch, the preceding air deflector frame beam that master beam front end takes the shape of the letter U and the back doorframe beam of master beam rear end, before the air deflector frame beam be from master beam front end extend downwards and flare after again cross bending form, back doorframe beam is that extension and flare form to front curve downwards from master beam rear end, master beam front end is connected with preceding main beam by cant beam, back doorframe beam lower end is connected to the lower end of the roof back rest, master beam, preceding air deflector frame beam, back doorframe beam, the roof back rest and preceding main beam, back main beam, keel form a cage framed structure; Master beam, preceding air deflector frame beam and back doorframe beam are the integrative-structure of rounding off.Body framwork is the cage framed structure, and is trunk with the master beam of integrative-structure, preceding air deflector frame beam and doorframe beam, and the steel tube bending of one has reduced the position of welding, thereby the position of reducing stress concentration has reduced the probability of body distortion; The master beam of arch constitutes the epimere position of electric bicycle doorframe, and the back doorframe beam that extend master beam rear end constitutes the back segment position of electric bicycle doorframe, the convenient battery-driven car car door of arranging; Master beam front end flare, master beam rear end flare, the framework that makes master beam, preceding air deflector frame beam and back doorframe beam form presents the fleetline structure, thereby reduced the windage in the battery-driven car driving process, prolong flying power so that reduce loss in efficiency, master beam two ends flare causes master beam middle part inwardly to shrink, thereby alleviate the weight of vehicle body, finally prolong the flying power of battery-driven car; Lean forward and take the shape of the letter U in preceding air deflector frame beam lower end, the U-shaped lower end is bigger, and the upper end diminishes, and preceding air deflector frame beam constitutes the installation frame of front windshield; The chassis skeleton is made up of preceding main beam and back main beam and keel, and preceding main beam, back main beam are connected with body framwork, make body framwork and chassis skeleton link into an integrated entity, and connect the mode of welding that adopts, and guarantee the intensity and the safety of battery-driven car; Keel need the major part on the carrying battery-driven car as the parts of chassis skeleton key, comprise driver and crew.
As preferably, cant beam in the past air deflector frame deflection of beam place along the radian of preceding air deflector frame beam both sides extend be connected to before on the main beam, be connected with the roof front-axle beam between the front end of master beam, master beam rear end is connected with roof back rest upper end, the roof back rest is inverted U-shaped, the lower end of the roof back rest connects the air intake crossbeam, and preceding air deflector frame beam side links to each other with the chassis skeleton by preceding doorframe beam.Preceding air deflector frame beam and cant beam all are the front end extensions from the master beam, therefore the upper end of cant beam overlaps with the side of preceding air deflector frame beam, preceding air deflector frame beam is supported on the front cross rail by cant beam, cant beam also links into an integrated entity preceding air deflector frame beam and preceding main beam simultaneously, the bending direction of cant beam is along the radian of preceding air deflector frame beam both sides, make the bearing force of cant beam transmission just in time affact on preceding air deflector frame beam and the master beam, reduce the influence of component to vehicle body, the roof front-axle beam connects the epimere that two master beams also constitute the front windshield installation frame simultaneously, the inverted U-shaped roof back rest supports the master beam, especially support the rear portion of battery-driven car roof, between the roof front-axle beam and the roof back rest, connect a tie-beam again; The position of air intake crossbeam is used for being provided with the ventilation inlet of battery-driven car, and preceding doorframe beam is as the leading portion of battery-driven car doorframe.
As preferably, keel totally two all be antiarch shape, two mutual flares of keel fixing back front and back ends, keel are with respect to the center symmetric arrangement of battery-driven car, the driver's seat of battery-driven car is arranged on the keel.Described antiarch shape refers to that keel are bent downwardly, and flare refers to that the distance between the two keel ends is bigger, and middle distance is less, considers the position of passenger, and the end that distance is bigger between the keel end is towards the tail end of battery-driven car; The driver's seat is arranged on the keel top, makes navigating mate be in the midline position of battery-driven car, also makes steering handwheel be arranged in the battery-driven car midline position simultaneously, can simplify the steering system structure like this, optimizes the layout of battery-driven car.
As preferably, master beam, preceding air deflector frame beam, back doorframe beam, cant beam, preceding main beam, back main beam, keel, roof front-axle beam and the roof back rest are that the bending of hollow rectangle steel forms.The hollow rectangle steel has enough intensity, can lower the weight of battery-driven car simultaneously again; Also can replace the hollow rectangle steel,, perhaps adopt plastic parts further to lower weight to lower weight more with aluminum magnesium alloy.
As preferably, battery-driven car comprises two passenger-seats and a driver's seat, and with respect to the center line symmetric arrangement of battery-driven car, passenger-seat is at the rear side of driver's seat respectively, and passenger-seat and driver's seat are isosceles triangle and arrange.The driver's seat is in the front portion of centre, passenger-seat is in the both sides of back, the driver's seat is arranged in the passenger-seat isosceles triangle, make the mini electric vehicle volume inside be fully used, the leg of chaufeur can be towards protracting, and passenger's leg can be considered safety towards protracting, can the protection hurdle be set in passenger's front, position, not protract but can not hinder leg; This layout has also been optimized the distribution of gravity.
As preferably, battery-driven car adopts front-wheel steering, back-wheel drive, and the motor assembly of transmission system and control arrangement are on rear side, the back-wheel drive bridge top of battery-driven car.Adopt front-wheel steering, it is simple to make steering system arrange, simplifies the layout of skeleton bottom, chassis.
As preferably, battery-driven car adopts the series connection of polylith battery as propulsion source, and the polylith battery is arranged apart; With the battery-driven car center line is the boundary, and the ratio of weight is 4:6 before and after the battery-driven car.Because the inside redundant space of mini electric vehicle is less, therefore battery being divided into polylith installs, need the problem in bigger space at same position to solve battery arrangement, when battery performance improves gradually, when the battery volume reduces gradually, can consider battery is focused on a location arrangements, so that circuit arragement is more simple and clear.Weight ratio is 4:6 before and after the battery-driven car, adds that like this ratio of navigating mate and passenger weight becomes 3:7, makes the center of gravity of battery-driven car be in rational position.
As preferably, the battery separated into two parts is arranged on the chassis skeleton of battery-driven car, and a part is fixed on passenger-seat downside and driver's seat rear side, and another part is arranged in battery-driven car propons top.The mini electric vehicle volume is less, and battery arrangement has been improved the degree of utilization of inner space in the bottom of rear portion, driver's seat and passenger-seat, and can not take unnecessary space.
As preferably, the chassis skeleton comprises front anti-collision beam, rear anti-crash beam and is connected front anti-collision beam and two side girders of rear anti-crash beam, the both sides side bar is connected with cross sill in front position, the cross sill two ends are connected with the preceding doorframe beam of both sides respectively, be connected with cantilevered corner beam between cant beam and the preceding doorframe beam, preceding doorframe beam, cant beam and cantilevered corner beam constitute triangular structure.Front anti-collision beam and rear anti-crash beam can improve the battery-driven car driving safety, reduce the accident hazard coefficient, and preceding doorframe beam, cant beam and cantilevered corner beam constitute triangular structure and improved the intensity that the battery-driven car car door is installed.
As preferably, the chassis skeleton comprises the many transverse beams that laterally connect side girders, is fixed with preceding lamp door on the front anti-collision beam, before the U-shaped lower end of preceding air deflector frame beam is connected to by rectangular tube on the lamp door; Be connected with the back support beam between the roof back rest and the rear anti-crash beam.Back support beam is used at the back support body framwork, and transverse beam connects side girders, convenient driver's seat, the passenger-seat installed, also convenient each parts that battery-driven car is installed.
The beneficial effects of the utility model are: adopt same steel pipe integral to bend to doorframe beam, master beam and preceding air deflector frame beam, reduce the position that is welded to connect, thereby reduce the position of stress concentration, reduce the probability of body framwork distortion simultaneously; The position of preferred arrangement battery rationally utilizes the inner actv. of battery-driven car space.
Description of drawings
Fig. 1 is a kind of birds-eye view of the utility model;
Fig. 2 is a kind of lateral plan of the utility model;
Fig. 3 is a kind of front elevation of the utility model;
Among the figure: 1, front anti-collision beam, 2, preceding air deflector frame beam, 3, preceding main beam, 4, cant beam, 5, preceding doorframe beam, 6, master beam, 7, battery, 8, back doorframe beam, 9, the back support beam, 10, the roof back rest, 11, keel, 12, motor assembly, 13, the back main beam, 14, controller, 15, the roof front-axle beam, 16, intermediate beam, 17, the chassis skeleton, 18, body framwork, 19, preceding lamp door, 20, rectangular tube, 21, the rear anti-crash beam, 22, side girders, 23, cantilevered corner beam, 24, the air intake crossbeam, 25, cross sill.
The specific embodiment
Also the utility model is described in further detail in conjunction with the accompanying drawings below by the specific embodiment.
Embodiment: a kind of miniature electric bassinet structure (referring to accompanying drawing 1 accompanying drawing 2 accompanying drawings 3), comprise chassis skeleton 17 and body framwork 18 and be coated on exterior covering, seat, steering system, transmission system and brake system, seat, steering system, transmission system and brake system are fixed on the skeleton of chassis, this battery-driven car adopts front-wheel steering, back-wheel drive, seat is divided into a driver seat and two passenger seats, wherein driver seat is arranged on midway location, passenger seat is arranged on the position of both sides, driver seat and passenger seat are delta structure and arrange, chassis skeleton 17 comprises preceding main beam 3, the keel 11 of main beam 3 and back main beam 13 before back main beam 13 and the connection, before main beam 3 and back main beam 13 layout that is parallel to each other, the position of main beam 3 before the position of back main beam 13 is higher than, keel 11 totally two all be antiarch shape, before two keel 11 fixing backs, the mutual flare in rear end, keel 11 are with respect to the center symmetric arrangement of battery-driven car, the bigger end of distance is fixed on the main beam 13 of back between the keel end, and the driver seat of battery-driven car is arranged on keel 11 tops; Keel 11 front-end and back-end respectively are provided with many transverse beams, be fixed with brake system in the transverse beam of keel 11 front ends, in the transverse beam of keel 11 rear ends passenger seat is set, the chassis skeleton comprises front anti-collision beam 1, rear anti-crash beam 21 and two side girders 22 that are connected front anti-collision beam 1 and rear anti-crash beam 21, both sides side bar 22 is connected with cross sill 25 in front position, be fixed with the preceding lamp door 19 of S shape on the front anti-collision beam 1, preceding main beam 3 all is connected with the side girders 22 of chassis skeleton with back main beam 13, battery-driven car adopts the series connection of polylith battery as propulsion source, polylith battery separated into two parts is arranged, a part is arranged in battery-driven car propons top, another part is arranged in passenger seat bottom and driver seat rear portion, with the battery-driven car center line is the boundary, and the ratio of weight is 4:6 before and after the battery-driven car.
Above-described embodiment is a kind of preferred version of the present utility model, is not the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.
Claims (10)
1. miniature electric bassinet structure, comprise chassis skeleton and body framwork and be coated on exterior covering, seat, steering system, transmission system and brake system, seat, steering system, transmission system and brake system are fixed on the skeleton of chassis, it is characterized in that the chassis skeleton comprises preceding main beam, the keel of main beam and back main beam before back main beam and the connection, body framwork comprises two master beams that are arch, the preceding air deflector frame beam that master beam front end takes the shape of the letter U and the back doorframe beam of master beam rear end, before the air deflector frame beam be from master beam front end extend downwards and flare after again cross bending form, back doorframe beam is that extension and flare form to front curve downwards from master beam rear end, master beam front end is connected with preceding main beam by cant beam, back doorframe beam lower end is connected to the lower end of the roof back rest, master beam, preceding air deflector frame beam, back doorframe beam, the roof back rest and preceding main beam, back main beam, keel form a cage framed structure; Master beam, preceding air deflector frame beam and back doorframe beam are the integrative-structure of rounding off.
2. miniature electric bassinet structure according to claim 1, it is characterized in that cant beam in the past air deflector frame deflection of beam place along the radian of preceding air deflector frame beam both sides extend be connected to before on the main beam, be connected with the roof front-axle beam between the front end of master beam, master beam rear end is connected with roof back rest upper end, the roof back rest is inverted U-shaped, the lower end of the roof back rest connects the air intake crossbeam, and preceding air deflector frame beam side links to each other with the chassis skeleton by preceding doorframe beam.
3. miniature electric bassinet structure according to claim 1, it is characterized in that keel totally two all be antiarch shape, two mutual flares of keel fixing back front and back ends, keel are with respect to the center symmetric arrangement of battery-driven car, and the driver's seat of battery-driven car is arranged on the keel.
4. according to claim 1 or 2 or 3 described miniature electric bassinet structures, it is characterized in that master beam, preceding air deflector frame beam, back doorframe beam, cant beam, preceding main beam, back main beam, keel, roof front-axle beam and the roof back rest are that the bending of hollow rectangle steel forms.
5. according to claim 1 or 2 or 3 described miniature electric bassinet structures, it is characterized in that battery-driven car comprises two passenger-seats and a driver's seat, with respect to the center line symmetric arrangement of battery-driven car, passenger-seat is at the rear side of driver's seat respectively, and passenger-seat and driver's seat are isosceles triangle and arrange.
6. miniature electric bassinet structure according to claim 1 is characterized in that battery-driven car adopts front-wheel steering, back-wheel drive, and the motor assembly of transmission system and control arrangement are on rear side, the back-wheel drive bridge top of battery-driven car.
7. according to claim 1 or 2 or 3 or 6 described miniature electric bassinet structures, it is characterized in that battery-driven car adopts the series connection of polylith battery as propulsion source, the polylith battery is arranged apart; With the battery-driven car center line is the boundary, and the ratio of weight is 4:6 before and after the battery-driven car.
8. miniature electric bassinet structure according to claim 7 is characterized in that the battery separated into two parts is arranged on the chassis skeleton of battery-driven car, and a part is fixed on passenger-seat downside and driver's seat rear side, and another part is arranged in battery-driven car propons top.
9. miniature electric bassinet structure according to claim 1 and 2, it is characterized in that the chassis skeleton comprises front anti-collision beam, rear anti-crash beam and is connected front anti-collision beam and two side girders of rear anti-crash beam, the both sides side bar is connected with cross sill in front position, the cross sill two ends are connected with the preceding doorframe beam of both sides respectively, be connected with cantilevered corner beam between cant beam and the preceding doorframe beam, preceding doorframe beam, cant beam and cantilevered corner beam constitute triangular structure.
10. miniature electric bassinet structure according to claim 9 is characterized in that the chassis skeleton comprises the many transverse beams that laterally connect side girders, is fixed with preceding lamp door on the front anti-collision beam, and the U-shaped lower end of preceding air deflector frame beam is connected on the preceding lamp door by rectangular tube; Be connected with the back support beam between the roof back rest and the rear anti-crash beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201370662U CN201721511U (en) | 2010-03-22 | 2010-03-22 | Miniature electric vehicle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201370662U CN201721511U (en) | 2010-03-22 | 2010-03-22 | Miniature electric vehicle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201721511U true CN201721511U (en) | 2011-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201370662U Expired - Fee Related CN201721511U (en) | 2010-03-22 | 2010-03-22 | Miniature electric vehicle structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN201721511U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530081A (en) * | 2011-12-02 | 2012-07-04 | 常州科教城新能源汽车工程技术研究院 | Frame of electric car |
| CN102745235A (en) * | 2012-07-25 | 2012-10-24 | 江苏万得电动车研究所有限公司 | Electric vehicle frame with front-middle-rear three-section type structure |
| CN106347467A (en) * | 2016-10-11 | 2017-01-25 | 北京长城华冠汽车科技股份有限公司 | Vehicle body framework and automobile with same |
| WO2020088668A1 (en) * | 2018-11-01 | 2020-05-07 | Electric Vehicles Enterprise Ltd. | Chassis for an electric vehicle |
-
2010
- 2010-03-22 CN CN2010201370662U patent/CN201721511U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530081A (en) * | 2011-12-02 | 2012-07-04 | 常州科教城新能源汽车工程技术研究院 | Frame of electric car |
| CN102745235A (en) * | 2012-07-25 | 2012-10-24 | 江苏万得电动车研究所有限公司 | Electric vehicle frame with front-middle-rear three-section type structure |
| CN102745235B (en) * | 2012-07-25 | 2014-09-17 | 江苏万得电动车研究所有限公司 | Electric vehicle frame with front-middle-rear three-section type structure |
| CN106347467A (en) * | 2016-10-11 | 2017-01-25 | 北京长城华冠汽车科技股份有限公司 | Vehicle body framework and automobile with same |
| WO2020088668A1 (en) * | 2018-11-01 | 2020-05-07 | Electric Vehicles Enterprise Ltd. | Chassis for an electric vehicle |
| CN113348128A (en) * | 2018-11-01 | 2021-09-03 | 电动车企业有限公司 | Body in white for electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20140322 |