CN104354770A - Car roof - Google Patents
Car roof Download PDFInfo
- Publication number
- CN104354770A CN104354770A CN201410561868.9A CN201410561868A CN104354770A CN 104354770 A CN104354770 A CN 104354770A CN 201410561868 A CN201410561868 A CN 201410561868A CN 104354770 A CN104354770 A CN 104354770A
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- CN
- China
- Prior art keywords
- fiber composite
- carbon fiber
- composite bed
- car roof
- glass fiber
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/06—Fixed roofs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/04—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of synthetic material
- B62D29/043—Superstructures
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention belongs to the field of auto part manufacture and in particular relates to a car roof. The car roof comprises a glass fiber composite layer and a carbon fiber composite layer, wherein the glass fiber composite layer comprises an upper glass fiber composite layer and a lower glass fiber composite layer; the carbon fiber composite layer comprises an upper carbon fiber composite layer and a lower carbon fiber composite layer; a closed cell foam layer is arranged between the upper carbon fiber composite layer and the lower carbon fiber composite layer; the upper glass fiber composite layer is positioned above the upper carbon fiber composite layer; the lower glass fiber composite layer is positioned below the lower carbon fiber composite layer. According to the car roof provided by the invention, through the arrangement of the closed cell foam layer, the upper glass fiber layer and the lower glass fiber layer, the thickness of the carbon fiber composite layer in the car roof is reduced, so that the use of carbon fibers in the carbon fiber composite layer is reduced; moreover, a foam material in the closed cell foam layer has the characteristics of light weight, high strength, sound insulation and heat insulation, so that the car roof has the advantages of low cost, light weight, high strength and good heat insulation performance.
Description
Technical field
The invention belongs to automobile component and manufacture field, be specifically related to a kind of car roof.
Background technology
Along with the progress of society, the development of science and technology, environment and energy problem become increasingly conspicuous, development and the universal cry with the automobile of energy-saving and emission-reduction efficiency increasingly surging, the raising required along with energy-saving and emission-reduction, the structure lightened of automobile is more and more subject to people's attention.There is due to carbon fiber composite material the distinguishing features such as high strength, high-modulus, lower density, antifatigue, in recent years, the application of carbon fiber composite material greatly reduces the body structure weight of automobile, and the such as roof of BMW automobile selects carbon fiber composite structure to be exactly typical successful examples.But high carbon fiber productive costs limits carbon fiber composite material to a certain extent in the large-scale promotion of vehicle structure and application.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of lightweight, cost is low, intensity is high and heat-proof quality is strong car roof is provided.
The present invention realizes like this, a kind of car roof, comprise glass fiber composite and carbon fiber composite bed, described glass fiber composite comprises glass fiber composite and lower-glass fiber composite, described carbon fiber composite bed comprises carbon fiber composite bed and lower carbon fiber composite bed, be layer of closed-cell foam between described upper carbon fiber composite bed and lower carbon fiber composite bed, described upper glass fiber composite is positioned at above described upper carbon fiber composite bed, and described lower-glass fiber composite is positioned at below described lower carbon fiber composite bed.
Particularly, described closed-cell foam material layer adopts Polyimide foams, polyvinyl chloride foam material or polyurethane foamed material.
Particularly, described glass fiber composite adopts glass fabric.
Particularly, described carbon fiber composite bed adopts carbon cloth.
Particularly, the length direction of described glass fiber composite fiber and the symmetrical direction of principal axis of car roof consistent.
Particularly, the length direction of described carbon fiber composite bed fiber is consistent with the symmetrical direction of principal axis of car roof.
Particularly, the edge of the edge of described upper glass fiber composite, upper carbon fiber composite bed and described lower-glass fiber composite, lower carbon fiber composite bed is bonded as one.
Particularly, the edge of described upper carbon fiber composite bed and lower carbon fiber composite bed is coated on the periphery of described layer of closed-cell foam, and the gap place between the edge of described upper carbon fiber composite bed and lower carbon fiber composite bed and described layer of closed-cell foam is filled with resin.
The invention has the beneficial effects as follows: in technical solution of the present invention, by arrange in roof closed-cell foam material layer, on glass fiber composite and lower-glass fiber composite, reduce the thickness of carbon fiber composite bed in car roof, thus reduce the use of the carbon fiber in carbon fiber composite bed, reduce the cost of raw material of car roof, and the foamed materials in layer of closed-cell foam has lightweight, high-strength, sound insulation and heat insulation feature, therefore, car roof provided by the invention has the advantage that cost is low, lightweight, intensity is high and heat-proof quality is strong.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the car roof that the embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
As shown in Figure 1, the embodiment of the present invention provides a kind of car roof, comprise glass fiber composite 1 and carbon fiber composite bed 2, described glass fiber composite 1 comprises glass fiber composite 11 and lower-glass fiber composite 12, described carbon fiber composite bed 2 comprises carbon fiber composite bed 21 and lower carbon fiber composite bed 22, be layer of closed-cell foam 3 between described upper carbon fiber composite bed 21 and lower carbon fiber composite bed 22, described upper glass fiber composite 11 is positioned at above described upper carbon fiber composite bed 21, described lower-glass fiber composite 12 is positioned at below described lower carbon fiber composite bed 22, the present invention arranges layer of closed-cell foam 3 between upper carbon fiber composite bed 21 and lower carbon fiber composite bed 22, simultaneously, glass fiber composite 11 is set above upper carbon fiber composite bed 21 and lower-glass fiber composite 12 is set below lower carbon fiber composite bed 22, like this, reduce the thickness of carbon fiber composite bed 2 in car roof, thus reduce the use of the carbon fiber in carbon fiber composite bed 2, reduce the cost of raw material of roof, in addition, foamed materials in layer of closed-cell foam 3 has lightweight, high-strength, sound insulation and heat insulation feature, thus it is low to make car roof have cost, lightweight, the advantage that intensity is high and heat-proof quality is strong.
Preferably, described layer of closed-cell foam 3 adopts polyimide (PMI) foamed materials, polyvinylchloride (PVC) foamed materials or polyurethane (PU) foamed materials, polyimide (PMI) foamed materials in layer of closed-cell foam 3, polyvinylchloride (PVC) foamed materials or polyurethane (PU) foamed materials has numerous disconnected abscess chamber each other, above-mentioned foamed materials is made to have lightweight, high-strength, sound insulation and heat insulation feature, therefore, layer of closed-cell foam 3 plays the effect of support and rigidity in car roof.
Preferably, described glass fiber composite 1 adopts glass fabric, and glass fibre has the features such as high-strength, withstanding corrosion, insulation.
Preferably, described carbon fiber composite bed 2 adopts carbon cloth, and carbon cloth has the features such as high strength, high-modulus, lower density, antifatigue.
Particularly, the length direction of the fiber in described glass fiber composite 1 is consistent with the symmetrical direction of principal axis of car roof, the length direction of the fiber in described carbon fiber composite bed 2 is consistent with the symmetrical direction of principal axis of car roof, in the process that roof is shaping, resin can flow along the length direction of the length direction of glass fiber composite 1 fiber and carbon fiber composite bed 2 fiber, like this, resin can infiltrate whole glass fiber composite 1 very soon, carbon fiber composite bed 2 and layer of closed-cell foam 3, thus avoid resin can not complete wetting glass fiber composite 1, the phenomenon of carbon fiber composite bed 2 and layer of closed-cell foam 3, this set is taked to be conducive to the shaping of car roof.
Particularly, the edge of the edge of described upper glass fiber composite 11, upper carbon fiber composite bed 21 and described lower-glass fiber composite 22, lower carbon fiber composite bed 12 is bonded as one, make glass fiber composite 11, upper carbon fiber composite bed 21 and lower-glass fiber composite 22 like this, lower carbon fiber composite bed 12 can be bonded together well, be conducive to the shaping of car roof.
Particularly, the edge of described upper carbon fiber composite bed 21 and lower carbon fiber composite bed 22 is coated on the periphery of described layer of closed-cell foam 3, described upper carbon fiber composite bed 21 and the gap place between lower carbon fiber composite bed 22 and described layer of closed-cell foam 3 are filled with resin, like this, the upper carbon fiber composite bed 21 of carbon fiber composite bed 2 and lower carbon fiber composite bed 22 can be bonded together well with layer of closed-cell foam 3, be conducive to the shaping of car roof.
Car roof provided by the present invention, its forming step is as follows: first, lower-glass fiber composite 12 to be fitted mould bottom, carbon fiber composite bed 22 is set on its upper berth, layer of closed-cell foam 3 is laid again on lower carbon fiber composite bed 22, after completing layer of closed-cell foam 3, carbon fiber composite bed 21 is sticked on layer of closed-cell foam 3 upper berth, finally, glass fiber composite 11 is sticked on lower carbon fiber composite layer 21 upper berth, cover mould and adopt the injection mo(u)lding of resin transfer molding technique, adopt resin transfer molding technique that resin can be made to inject foam and fiber fully, car roof is made to have good mechanical property, and this technological forming is simple, product design is high.
The car roof that the embodiment of the present invention provides, by arranging layer of closed-cell foam 3 between upper carbon fiber composite bed 21 and lower carbon fiber composite bed 22, simultaneously, glass fiber composite 11 is set above upper carbon fiber composite bed 21 and lower-glass fiber composite 12 is set below lower carbon fiber composite bed 22, like this, reduce the thickness of carbon fiber composite bed 2 in car roof, thus reduce the use of the carbon fiber in carbon fiber composite bed 2, reduce the cost of raw material of roof, and the foamed materials in layer of closed-cell foam 3 has lightweight, high-strength, sound insulation and heat insulation feature, therefore, it is low that car roof provided by the invention has cost, lightweight, the advantage that intensity is high and heat-proof quality is strong.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (8)
1. a car roof, comprise glass fiber composite and carbon fiber composite bed, it is characterized in that, described glass fiber composite comprises glass fiber composite and lower-glass fiber composite, described carbon fiber composite bed comprises carbon fiber composite bed and lower carbon fiber composite bed, be layer of closed-cell foam between described upper carbon fiber composite bed and lower carbon fiber composite bed, described upper glass fiber composite is positioned at above described upper carbon fiber composite bed, and described lower-glass fiber composite is positioned at below described lower carbon fiber composite bed.
2. car roof according to claim 1, is characterized in that, described closed-cell foam material layer adopts Polyimide foams, polyvinyl chloride foam material or polyurethane foamed material.
3. according to the car roof described in claim 1, it is characterized in that, described glass fiber composite adopts glass fabric.
4. according to the car roof described in claim 1, it is characterized in that, described carbon fiber composite bed adopts carbon cloth.
5. according to the car roof described in claim 1, it is characterized in that, the length direction of the fiber in described glass fiber composite is consistent with the symmetrical direction of principal axis of car roof.
6. according to the car roof described in claim 1, it is characterized in that, the length direction of the fiber in described carbon fiber composite bed is consistent with the symmetrical direction of principal axis of car roof.
7. according to the car roof described in claim 1, it is characterized in that, the edge of the edge of described upper glass fiber composite, upper carbon fiber composite bed and described lower-glass fiber composite, lower carbon fiber composite bed is bonded as one.
8. according to the car roof described in claim 1, it is characterized in that, the edge of described upper carbon fiber composite bed and lower carbon fiber composite bed is coated on the periphery of described layer of closed-cell foam, and described upper carbon fiber composite bed and the gap place between lower carbon fiber composite bed and described layer of closed-cell foam are filled with resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410561868.9A CN104354770A (en) | 2014-10-22 | 2014-10-22 | Car roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410561868.9A CN104354770A (en) | 2014-10-22 | 2014-10-22 | Car roof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104354770A true CN104354770A (en) | 2015-02-18 |
Family
ID=52522122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410561868.9A Pending CN104354770A (en) | 2014-10-22 | 2014-10-22 | Car roof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104354770A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015626A (en) * | 2015-07-01 | 2015-11-04 | 奇瑞汽车股份有限公司 | Automobile carbon-fiber connection device |
| CN106184399A (en) * | 2016-08-23 | 2016-12-07 | 北京新能源汽车股份有限公司 | The manufacture method of the top cover of the top cover of vehicle, vehicle and vehicle |
| CN108372890A (en) * | 2018-02-08 | 2018-08-07 | 佛山杰致信息科技有限公司 | A kind of farm machinery driver's cabin top plate plank and preparation method |
| CN110014714A (en) * | 2019-03-11 | 2019-07-16 | 北京市射线应用研究中心 | A kind of Polyimide foam composite material and the preparation method and application thereof |
-
2014
- 2014-10-22 CN CN201410561868.9A patent/CN104354770A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015626A (en) * | 2015-07-01 | 2015-11-04 | 奇瑞汽车股份有限公司 | Automobile carbon-fiber connection device |
| CN106184399A (en) * | 2016-08-23 | 2016-12-07 | 北京新能源汽车股份有限公司 | The manufacture method of the top cover of the top cover of vehicle, vehicle and vehicle |
| CN106184399B (en) * | 2016-08-23 | 2019-01-29 | 北京新能源汽车股份有限公司 | The manufacturing method of the top cover of the top cover of vehicle, vehicle and vehicle |
| CN108372890A (en) * | 2018-02-08 | 2018-08-07 | 佛山杰致信息科技有限公司 | A kind of farm machinery driver's cabin top plate plank and preparation method |
| CN110014714A (en) * | 2019-03-11 | 2019-07-16 | 北京市射线应用研究中心 | A kind of Polyimide foam composite material and the preparation method and application thereof |
| CN110014714B (en) * | 2019-03-11 | 2021-08-24 | 北京市射线应用研究中心 | Polyimide foam composite material and preparation method and application thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150218 |
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| RJ01 | Rejection of invention patent application after publication |