CN203111328U - Composite material automobile body - Google Patents
Composite material automobile body Download PDFInfo
- Publication number
- CN203111328U CN203111328U CN 201320096448 CN201320096448U CN203111328U CN 203111328 U CN203111328 U CN 203111328U CN 201320096448 CN201320096448 CN 201320096448 CN 201320096448 U CN201320096448 U CN 201320096448U CN 203111328 U CN203111328 U CN 203111328U
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- car body
- steel
- molding compound
- sheet molding
- vehicle body
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Abstract
The utility model discloses an automobile body. The automobile body comprises a support structure and a body of an automobile which is filled into the support structure. The support structure is a metal support, and piece-shaped molding compound is adopted in the body of the automobile.
Description
Technical field
The utility model relates to a kind of vehicle body structure, relates in particular to a kind of lightweight manned vehicle body construction.
Background technology
Car body is one of parts of paramount importance during automobile constitutes, and exists as the framing member of all component on the bearing automobile.The car body of manned vehicle mainly by following several formal constructions in the prior art.
The most frequently used be the vehicle body that the metal metal plate punching processes.Utilize metallic material to go so far as aluminium alloy structure as body material from the earliest steel design.Its advantage is higher for being easy to processing and intensity, but its maximum shortcoming is corrosion-resistant.Be example with the steel car body, the carbon content in its material is higher, and carbon can make that ferro-alloy is inner to form the galvanic battery reaction, makes iron lose electronics and oxidation.Ferric oxide is again a kind of relatively more loose material, and forms compact oxidation layer unlike metallic oxides such as aluminium oxide, can protect inner metallic element no longer to continue to be corroded.And the iron that begins to get rusty can adsorb more aqueous vapors accelerates corrosion process, and oxidational losses is fatal for structure member, the vehicle body that particularly nowadays adopts ultra-thin steel sheet to make, and this also can significantly have influence on bulk strength with regard to loss a little on the frivolous body.Therefore for the lightweight steel body, corrosion stability also is a very important index.
Fiber-reinforced plastic (being commonly called as glass-felt plastic) hand pasting forming is mainly used in the lower vehicles of yearly output such as big bus.As car body materials, have lighter weight with glass-felt plastic, intensity is higher, the resistant to corrosion advantage, but its modulus of elasticity is low.And when being used for the manufacturing of manned vehicle vehicle body, adopt hand pasting forming, therefore be not suitable for large-scale batch manufacturing.
The moulding of the fine prepreg vacuum of carbon still is mainly used in the customization of individual character spare of various remoulded cars.Carbon fiber is the thread material of a kind of fiber, need be woven into sheet as weaving cotton cloth when making moulding, soaks into organic gel to be shaped and curing, and manufacturing process is similar to glass-felt plastic.Carbon fiber has excellent toughness and tensile strength, and weight has only 1/4 of steel.But carbon fiber shortage ductility is its shortcoming, and carbon fiber structural can be broken as glass when the impact that is gone beyond the limit of.Simultaneously, the manufacturing cost of carbon fibre material is high, has limited its use on common manned vehicle.
The utility model content
The purpose of this utility model is to improve a kind of new vehicle body structure, and this vehicle body structure is taken into account the vehicle body rigidity simultaneously and reduced the demand of tare.
For achieving the above object, the utility model discloses a kind of car body, comprises supporting structure and is filled in vehicle body between the supporting structure, and this supporting structure is metallic support, and this vehicle body adopts sheet molding compound.
Further, this vehicle body adopts lamination layer structure, and ground floor is sheet molding compound, and the second layer is comb core, and the 3rd layer is that ground floor is sheet molding compound.
Further, this comb core is made up of plastics.
Further, this comb core is made up of structural foam.
Further, this metallic support is the steel support.
Further, this steel support consists of dual phase steel or the weather-proof steel of low-alloy.
Further, this metallic support is aluminium alloy post.
Compared with prior art, car body disclosed in the utility model has in light weight, and characteristics firm in structure.Owing to adopted a large amount of sheet molding compounds, replaced steel, glass-felt plastic and the carbon fibers of a large amount of uses of institute in the prior art, be applicable to the manned vehicle that the batch manufacturing price is more cheap.
Description of drawings
Can be by following detailed Description Of The Invention and appended graphic being further understood about the advantages and spirit of the present invention.
Fig. 1 is the structural representation of the related car body of the utility model;
Fig. 2 is the partial enlarged drawing of the related auto body of the utility model.
The specific embodiment
Describe specific embodiments of the invention in detail below in conjunction with accompanying drawing.
The utility model provides a kind of vehicle body structure, and this car body comprises supporting structure and be filled in vehicle body between the supporting structure, and wherein this supporting structure is metallic support, and this vehicle body adopts sheet molding compound.
See also Fig. 1 below, among Fig. 1 with the C-class of four wheel drive as diagram, in order to the utility model to be described, but the utility model scope applicatory is not limited to the manned vehicle of this kind.This car body is made up of supporting structure and vehicle body.This supporting structure comprises base 18, crossbeam 13, longeron 17, front-end module 16 etc.Supporting structure is mainly used in the contour structures of whole manned vehicle is played a supportive role.Supporting structure can select for use metals such as steel plate as its material usually.In order to realize the goal of the invention of light-duty car body, the selected steel material of supporting structure is preferably two-phase steel or the weather-proof steel of low-alloy that possesses martensite and two kinds of crystalline phases of double carbide simultaneously.Utilize the two-phase steel as supporting structure, can guarantee that on the one hand structural strength simultaneously also can proof strength.There are numerous martensite islands on the ferrite matrix of two-phase steel, double carbide has good ductility martensite and has then guaranteed structural strength during punch process, double carbide slides in punching press in addition, hand over knot between crystal mutually, form work hardening, make the part strength after the punch forming higher.The characteristics of the weather-proof steel of low-alloy are the characteristics with atmospheric corrosion resistance characteristic, and its Q alloy content of corrosion-resistant steel of comparing is low, thereby price is comparatively cheap.
Another kind of optimal way is as supporting structure with aluminum alloy materials.Aluminum alloy materials has the advantage that the light and structural strength of quality and rigidity meet the automobile support demand, but manufacturing process is comparatively complicated relatively.But in the utility model, aluminum alloy materials only uses in car body materials as structure stand, and shared consumption proportion is less than vehicle body.
Vehicle body comprises: bonnet panel 12, door panel 20, roof hoard, front fender apron 14, rear mudguard 19 etc.Vehicle body adopts sheet molding compound to constitute in the utility model.Sheet molding compound (Sheet molding compound is called for short SMC), its primary raw material is by SMC special yarn, unsaturated polyester, low shrinkage additive, and filler and various auxiliary agent are formed.Sheet molding compound has superior electric property, decay resistance, and advantage such as light weight and engineering design are easy, flexible, its mechanical characteristics can compare favourably with the part metals material.
Generally, sheet molding compound can satisfy the requirement of general manned vehicle, if but require this manned vehicle to possess lighter quality, better intensity and rigidity, this body material can adopt special sheet molding compound structure.This special structure layer is three-layer composite structure, and ground floor is sheet molding compound, and the second layer is comb core, and the 3rd layer is that ground floor is sheet molding compound.
As shown in Figure 2, this surface structure is a sandwiched type structure, is being a comb core 202 between the two-layer sheet molding compound 201 up and down namely.The density of this comb core 202 is lower than two-layer sheet molding compound 201 up and down, therefore the overall weight of this car body is reduced greatly.The material of this comb core 201 can be plastics, is preferably structural foam.Owing to adopt the sheet molding compound material of sandwich style, can stick together securely between the three-decker, and this comb core 202 is up and down between the two-layer sheet molding compound 201, forming a firm skeleton in short space supports, can resist impact effectively, guarantee that manned vehicle is to the demand of bus body strength and rigidity.
Compared with prior art, car body disclosed in the utility model has in light weight, and characteristics firm in structure.Owing to adopted a large amount of sheet molding compounds, replaced steel, glass-felt plastic and the carbon fibers of a large amount of uses of institute in the prior art, be applicable to the manned vehicle that the batch manufacturing price is more cheap.
Described in this specification sheets is preferred embodiment of the present invention, and above embodiment is only in order to illustrate technical scheme of the present invention but not limitation of the present invention.All those skilled in the art all should be within the scope of the present invention under this invention's idea by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (7)
1. car body comprises supporting structure and is filled in vehicle body between the supporting structure that described supporting structure is metallic support, and described vehicle body adopts sheet molding compound.
2. car body as claimed in claim 1 is characterized in that, described vehicle body adopts lamination layer structure, and ground floor is sheet molding compound, and the second layer is comb core, and the 3rd layer is sheet molding compound.
3. car body as claimed in claim 2 is characterized in that, described comb core is made up of plastics.
4. car body as claimed in claim 2 is characterized in that, described comb core is made up of structural foam.
5. car body as claimed in claim 1 is characterized in that, described metallic support is the steel support.
6. car body as claimed in claim 5 is characterized in that, described steel support consist of dual phase steel or the weather-proof steel of low-alloy.
7. car body as claimed in claim 1 is characterized in that, described metallic support is aluminium alloy post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320096448 CN203111328U (en) | 2013-03-04 | 2013-03-04 | Composite material automobile body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320096448 CN203111328U (en) | 2013-03-04 | 2013-03-04 | Composite material automobile body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203111328U true CN203111328U (en) | 2013-08-07 |
Family
ID=48891698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320096448 Expired - Lifetime CN203111328U (en) | 2013-03-04 | 2013-03-04 | Composite material automobile body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203111328U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963847A (en) * | 2014-01-18 | 2014-08-06 | 东莞中山大学研究院 | Light weight automobile body side face modeling structure |
| CN105538816A (en) * | 2016-02-03 | 2016-05-04 | 北京博简复才技术咨询有限公司 | Flaky molded material-prepreg mixed composite material and manufacturing method thereof |
| CN106184381A (en) * | 2016-07-29 | 2016-12-07 | 奇瑞新能源汽车技术有限公司 | The body structure of electric automobile |
| CN106184380A (en) * | 2016-07-29 | 2016-12-07 | 奇瑞新能源汽车技术有限公司 | Electric automobile |
-
2013
- 2013-03-04 CN CN 201320096448 patent/CN203111328U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963847A (en) * | 2014-01-18 | 2014-08-06 | 东莞中山大学研究院 | Light weight automobile body side face modeling structure |
| CN105538816A (en) * | 2016-02-03 | 2016-05-04 | 北京博简复才技术咨询有限公司 | Flaky molded material-prepreg mixed composite material and manufacturing method thereof |
| CN106184381A (en) * | 2016-07-29 | 2016-12-07 | 奇瑞新能源汽车技术有限公司 | The body structure of electric automobile |
| CN106184380A (en) * | 2016-07-29 | 2016-12-07 | 奇瑞新能源汽车技术有限公司 | Electric automobile |
| CN106184380B (en) * | 2016-07-29 | 2019-02-12 | 奇瑞新能源汽车技术有限公司 | Electric car |
| CN106184381B (en) * | 2016-07-29 | 2019-02-12 | 奇瑞新能源汽车技术有限公司 | The body structure of electric car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180226 Address after: 314201 Ji Gang Road, Dushan port town, Pinghu, Zhejiang Province, No. 619 Patentee after: DISNFLEX COMPOSITES (ZHEJIANG) CO.,LTD. Address before: No. 48, Ping Ye Road, Jinshan District, Shanghai Patentee before: Disnflex Composites International (Shanghai) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |
|
| CX01 | Expiry of patent term |