CN106828615A - Floor after a kind of vehicle body - Google Patents
Floor after a kind of vehicle body Download PDFInfo
- Publication number
- CN106828615A CN106828615A CN201611199454.1A CN201611199454A CN106828615A CN 106828615 A CN106828615 A CN 106828615A CN 201611199454 A CN201611199454 A CN 201611199454A CN 106828615 A CN106828615 A CN 106828615A
- Authority
- CN
- China
- Prior art keywords
- floor
- vehicle body
- edge
- base material
- fiber
- 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
- 239000000463 material Substances 0.000 claims abstract description 30
- 239000000835 fiber Substances 0.000 claims abstract description 29
- 210000002615 epidermis Anatomy 0.000 claims abstract description 16
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 230000002787 reinforcement Effects 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 9
- 239000003365 glass fiber Substances 0.000 claims description 11
- 239000004743 Polypropylene Substances 0.000 claims description 8
- 230000002708 enhancing effect Effects 0.000 claims description 8
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 7
- 239000004917 carbon fiber Substances 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 6
- 229920005992 thermoplastic resin Polymers 0.000 claims description 6
- 239000004952 Polyamide Substances 0.000 claims description 4
- 229920002647 polyamide Polymers 0.000 claims description 4
- -1 polybutylene terephthalate Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 229920000265 Polyparaphenylene Polymers 0.000 claims description 2
- 150000003568 thioethers Chemical class 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 150000002739 metals Chemical class 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- 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
- B62D25/20—Floors or bottom sub-units
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention discloses floor after a kind of vehicle body, including integrally formed rear floor base material and the true edge being arranged on rear floor base material, spare tyre pond, preceding insert edge and rear retaining wall, the rear floor base material uses fiber hybrid composite, the rear floor base material includes the sandwich layer of integrally formed upper epidermis, layer and multilayer, 2 to 4 location and installation holes are set on the true edge, and the upper surface of the preceding insert edge sets reinforcement.Floor is integral type overall structure after this vehicle body, and structure setting reasonable simplicity, by setting before insert edge and location and installation hole, be easy to the accurate grafting on floor after vehicle body to install；By using fiber hybrid composite, floor weight weight problem after conventional metals is overcome, further improve the toughness on floor after vehicle body, without brittle fracture, energy absorption capability is good, most of material recoverable.
Description
Technical field
The present invention relates to floor after automotive body structure, especially a kind of vehicle body, belong to field of automobile.
Background technology
As the competition of automobile market is more and more fierce, customer will for vehicle safety performance, comfort level and portability
Seek also more and more higher.Floor mainly plays the latter half of deadweight of bearing automobile, payload and spare tyre weight after body of a motor car.
The structure on floor generally has back seat floor and spare tyre storage floor two parts after body of a motor car, and its groundwork situation is：Gao Mo
Amount, stretch-proof, counter-bending, damping, energy-absorbing.
Floor is made of metal material mostly after existing vehicle body, and connector is more and by being welded to connect, its presence
Elasticity recovers not enough and the drawbacks such as injury is easily caused to pedestrian.
Glass fiber reinforced thermoplastics composite uses more and more universal in auto parts and components, but is being molded or is noting
During modeling, glass can enter the surface of plastic products so that product surface becomes very coarse.In addition, glass fiber reinforcement is warm
Plastic composites are also easy to produce sharp type fracture and cause secondary injury, and be also easy to produce the crushing of glass when wrecking
Property dust and the harmful dust that is damaged to human respiratory.
Thus, floor after the self-supporting body that a kind of use new material is made is designed, to the intensity on floor after raising, anti-
Impact flexibility and the farthest weight of mitigation vehicle body are highly significant.
The content of the invention
Present invention aim at solution the above-mentioned problems in the prior art, there is provided a kind of rational in infrastructure, one is melted into
Floor after the vehicle body of type, high intensity and high tenacity.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：
Floor after a kind of vehicle body, including integrally formed rear floor base material and the true edge, standby that is arranged on rear floor base material
Tire pond, preceding insert edge and rear retaining wall,
The rear floor base material uses fiber hybrid composite, the rear floor base material include integrally formed upper epidermis, under
Top layer and the sandwich layer of multilayer, the sandwich layer are arranged between upper epidermis and layer,
The spare tyre pond is arranged at rear floor base material medium position, and the spare tyre pond is shaped as semicircle and square combination knot
Structure, the rear retaining wall be arranged at spare tyre pond upper half circular edges to side top, the true edge is arranged on spare tyre pond
Except on the top margin of the other three side of side where rear retaining wall, two sides of the true edge set incline structure,
The preceding insert edge is arranged on true edge on the side on semicircle side, the base of the preceding insert edge and the bottom of true edge
While in same level, the top margin of preceding insert edge is less than the top margin of true edge and constitutes step-like with true edge.
Preferably, setting 2 to 4 location and installation holes on the true edge, it is easy to the accurate installation on floor after vehicle body.
Preferably, the preceding insert edge upper surface set reinforcement, every reinforcement at intervals of 5 ~ 12mm, institute
State reinforcement and excessive angle radius of curvature is contacted with preceding insert edge for 3 ~ 6mm, it is ensured that the high intensity of preceding insert edge.
Preferably, the spare tyre pond and true edge junction are smooth arcuate structure, the curvature of the arcuate structure
Radius is 6 ~ 10mm, it is ensured that the integrally-built intensity in floor and toughness after vehicle body.
Preferably, the number of plies of the sandwich layer is 2 ~ 6 layers, it is ensured that the integrally-built intensity in floor and toughness after vehicle body.
Preferably, the matrix of the upper epidermis of the fiber hybrid composite and layer is thermoplastic resin, upper table
The enhancing of layer and layer mutually uses flaxen fiber or bamboo fibre.
Preferably, the matrix of the sandwich layer of the fiber hybrid composite is thermoplastic resin, the enhancing of sandwich layer is mutually adopted
With continuous long glass fiber or continuous long carbon fiber.
Preferably, the thermoplastic resin is modified polypropene PP or polyamide PA or polybutylene terephthalate (PBT)
PBT or polyphenylene thioether PPS.
Preferably, the average fiber length of the flaxen fiber and bamboo fibre is more than 6mm, elastic modelling quantity is more than 5000MPa,
Ensure the integrally-built intensity in floor and toughness after vehicle body.
Preferably, the continuous long glass fiber is alkali-free glass fibre, its tensile strength is 2800MPa, springform
It is 86000MPa to measure, and the elastic modelling quantity of continuous long carbon fiber is more than 210 Gpa, and tensile strength is more than 3500 MPa.
Preferably, the rear floor base material passes through vacuum assisted resin infusion or hot-forming.
Present invention employs above-mentioned technical proposal, have the advantages that：
Floor is integral type overall structure after this vehicle body, and structure setting reasonable simplicity, by setting before insert edge and location and installation
Hole, is easy to the accurate grafting installation on floor after vehicle body；In addition, by using fiber hybrid composite, overcoming conventional metals
Floor weight weight problem, further improves the toughness on floor after vehicle body afterwards, and without brittle fracture, energy absorption capability is good, most of
Material recoverable.
Brief description of the drawings
Fig. 1 is rear floor base material cross section structure schematic diagram in floor after vehicle body of the present invention；
Fig. 2 is floor axial arrangement schematic diagram after vehicle body of the present invention；
Fig. 3 is floor top view after vehicle body of the present invention；
Fig. 4 is floor right view after vehicle body of the present invention.
In figure：1- upper epidermis, 2- layers, 3- sandwich layers, 401- true edges, 402- spare tyres pond, insert edge before 403-, after 404-
Retaining wall, 405- location and installations hole, 406- reinforcements, 407- incline structures.
Specific embodiment
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology describe needed for the accompanying drawing to be used and technical scheme be briefly described, it should be apparent that, it is attached in describing below
Figure is only some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Implementation method 1
As shown in Figures 1 to 4, floor after a kind of vehicle body, including integrally formed rear floor base material and it is arranged on rear floor base
True edge 401, spare tyre pond 402, preceding insert edge 403 and rear retaining wall 404 on material, the rear floor base material are compound using assorted fibre
Material, the rear floor base material includes the sandwich layer 3 of integrally formed upper epidermis 1, layer 2 and multilayer, and the sandwich layer 3 is arranged on
Between upper epidermis 1 and layer 2, the spare tyre pond 402 is arranged at rear floor base material medium position, the shape in the spare tyre pond 402
Shape is semicircle and square combining structure, the rear retaining wall 404 be arranged at spare tyre pond 402 upper half circular edges to side
Top, the true edge 401 is arranged on spare tyre pond 402 on the top margin except the other three side of the place side of rear retaining wall 404,
Two sides of the true edge 401 set incline structure, and the incline structure matches with body side wall front pillar edge, it is described before
Insert edge 403 is arranged on true edge 401 on the side on semicircle side, base and the true edge 401 of the preceding insert edge 403
In same level, the top margin of preceding insert edge 403 is less than the top margin of true edge 401 and constitutes step-like with true edge 401 on base.
In this better embodiment, 2 location and installation holes 405 are set on the true edge 401, the preceding insert edge 403
Upper surface sets reinforcement 406, and the interval of the reinforcement 406 is respectively 5mm, 8mm, 12mm, and the reinforcement 406 is inserted with preceding
Side 403 contacts excessive angle radius of curvature for 4mm, and the spare tyre pond 402 and the junction of true edge 401 are smooth arcuate structure
Radius of curvature is 8mm, and the number of plies of the sandwich layer 3 is 4 layers.
In this better embodiment, the matrix of the upper epidermis 1 and layer 2 is modified polypropene PP, upper epidermis 1 and under
The enhancing on top layer 2 mutually uses flaxen fiber, and the average fiber length of flaxen fiber is 10mm, and elastic modelling quantity reaches 5500MPa；The core
The matrix of layer 3 is modified polypropene PP, and mutually using continuous long glass fiber, the continuous long glass fiber is for the enhancing of sandwich layer 3
Alkali-free glass fibre, its tensile strength is 2800MPa, and elastic modelling quantity is 86000MPa, and the elastic modelling quantity of continuous long carbon fiber is big
In 210 Gpa, tensile strength is more than 3500 MPa.
In this better embodiment, the weight sum of the upper epidermis 1 and layer 2 accounts for rear floor base material percentage by weight
It is 15% ~ 35%, it is 30% ~ 55% that the weight sum of the sandwich layer 3 accounts for rear floor base material percentage by weight.
In this better embodiment, the elementary production steps on floor are after vehicle body：First rear floor is carried out integrated overall
Design；
Then, each fiber prepreg material for being cut according to design size locally carries out laying increasing in the enhanced position of needs at some
Thickness, the edge that the edge on the rear floor coordinates with body side wall front pillar matches.
Finally, the above-mentioned fiber preform good by design laying is carried out into impregnation, then enters mould, then by integrated hot pressing
Shaping, that is, obtain floor after flaxen fiber/glass fiber thermoplastic composite vehicle body.
Implementation method 2
Floor after a kind of vehicle body, with identical vehicle body rear floor structure in implementation method 1, and this better embodiment
In, the matrix of the upper epidermis 1 and layer 2 is polyamide PA, and the enhancing of upper epidermis 1 and layer 2 mutually uses bamboo fibre, institute
The matrix of sandwich layer 3 is stated for polyamide PA, the enhancing of sandwich layer 3 mutually uses continuous long carbon fiber.
In this better embodiment, the moulding process on floor is after the vehicle body：The good fiber preform of laying will be designed
Impregnation is carried out, then enters mould, then by integral vacuum assistant formation (VARI), that is, obtain bamboo fibre/thermoplastic carbon fiber multiple
Floor after the vehicle body of condensation material.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
The change or replacement expected without creative work, should all be included within the scope of the present invention.Therefore, it is of the invention
Protection domain should be determined by the scope of protection defined in the claims.
Claims (10)
- A kind of 1. floor after vehicle body, including integrally formed rear floor base material and the true edge being arranged on rear floor base material, Spare tyre pond, preceding insert edge and rear retaining wall, it is characterised in that：The rear floor base material uses fiber hybrid composite, the rear floor base material include integrally formed upper epidermis, under Top layer and the sandwich layer of multilayer, the sandwich layer are arranged between upper epidermis and layer,The spare tyre pond is arranged at rear floor base material medium position, and the spare tyre pond is shaped as semicircle and square combination knot Structure, the rear retaining wall be arranged at spare tyre pond upper half circular edges to side top, the true edge is arranged on spare tyre pond Except on the top margin of the other three side of side where rear retaining wall, two sides of the true edge set incline structure,The preceding insert edge is arranged on true edge on the side on semicircle side, the base of the preceding insert edge and the bottom of true edge While in same level, the top margin of preceding insert edge is less than the top margin of true edge and constitutes step-like with true edge.
- 2. floor after vehicle body according to claim 1, it is characterised in that：2 to 4 location and installations are set on the true edge Hole.
- 3. floor after vehicle body according to claim 1, it is characterised in that：The upper surface of the preceding insert edge sets reinforcement, Every reinforcement at intervals of 5 ~ 12mm, the reinforcement contacts the radius of curvature at excessive angle with preceding insert edge for 3 ~ 6mm, institute State spare tyre pond contacted with true edge arcuate structure radius of curvature be 6 ~ 10mm.
- 4. floor after vehicle body according to claim 1, it is characterised in that：The number of plies of the sandwich layer is 2 ~ 6 layers.
- 5. floor after vehicle body according to claim 1, it is characterised in that：The upper epidermis of the fiber hybrid composite and The matrix of layer is thermoplastic resin, and the enhancing of upper epidermis and layer mutually uses flaxen fiber or bamboo fibre.
- 6. floor after vehicle body according to claim 1, it is characterised in that：The base of the sandwich layer of the fiber hybrid composite Body is thermoplastic resin, and the enhancing of sandwich layer mutually uses continuous long glass fiber or continuous long carbon fiber.
- 7. floor after the vehicle body according to claim 5 or 6, it is characterised in that：The thermoplastic resin is modified polypropene PP or polyamide PA or polybutylene terephthalate (PBT) PBT or polyphenylene thioether PPS.
- 8. floor after vehicle body according to claim 5, it is characterised in that：The fiber of the flaxen fiber and bamboo fibre is averagely long Degree is more than 6mm, and elastic modelling quantity is more than 5000MPa, it is ensured that the integrally-built intensity in floor and toughness after vehicle body.
- 9. floor after vehicle body according to claim 6, it is characterised in that：The continuous long glass fiber is fine alkali-free glass Dimension, its tensile strength is 2800MPa, and elastic modelling quantity is 86000MPa, and the elastic modelling quantity of continuous long carbon fiber is more than 210 Gpa, Tensile strength is more than 3500 MPa.
- 10. floor after vehicle body according to claim 1, it is characterised in that：The rear floor base material by vacuum aided into Type is hot-forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611199454.1A CN106828615A (en) | 2016-12-22 | 2016-12-22 | Floor after a kind of vehicle body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611199454.1A CN106828615A (en) | 2016-12-22 | 2016-12-22 | Floor after a kind of vehicle body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106828615A true CN106828615A (en) | 2017-06-13 |
Family
ID=59136969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611199454.1A Pending CN106828615A (en) | 2016-12-22 | 2016-12-22 | Floor after a kind of vehicle body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106828615A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109398501A (en) * | 2018-09-19 | 2019-03-01 | 中国第汽车股份有限公司 | Floor and preparation method thereof after in a kind of composite material integrated form for electric vehicle |
| CN109625098A (en) * | 2018-11-06 | 2019-04-16 | 东莞市汇力模具有限公司 | Floor and its manufacturing method after a kind of integrated form vehicle body |
| CN111845971A (en) * | 2019-04-30 | 2020-10-30 | 广州汽车集团股份有限公司 | Spare tire compartment, manufacturing method of spare tire compartment and automobile |
| WO2023133638A1 (en) * | 2022-01-14 | 2023-07-20 | Tiercon Corp. | Impact resistant lightweight composite structures and uses thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070269645A1 (en) * | 2006-04-05 | 2007-11-22 | Venkat Raghavendran | Lightweight thermoplastic composite including reinforcing skins |
| CN202879613U (en) * | 2012-11-01 | 2013-04-17 | 东风汽车公司 | Back floor assembly structure of plug-in hybrid power automobile |
| CN203372302U (en) * | 2013-08-09 | 2014-01-01 | 重庆长安汽车股份有限公司 | Automobile rear floor assembly |
| CN104960581A (en) * | 2015-07-20 | 2015-10-07 | 奇瑞汽车股份有限公司 | Automobile rear floor made from composite materials and manufacturing method of automobile rear floor |
| CN105922694A (en) * | 2016-04-21 | 2016-09-07 | 广州金发碳纤维新材料发展有限公司 | Lightweight fiber reinforced thermoplastic resin plate |
| CN206265162U (en) * | 2016-12-22 | 2017-06-20 | 广东亚太新材料科技有限公司 | A kind of new car floor after one's death |
-
2016
- 2016-12-22 CN CN201611199454.1A patent/CN106828615A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070269645A1 (en) * | 2006-04-05 | 2007-11-22 | Venkat Raghavendran | Lightweight thermoplastic composite including reinforcing skins |
| CN202879613U (en) * | 2012-11-01 | 2013-04-17 | 东风汽车公司 | Back floor assembly structure of plug-in hybrid power automobile |
| CN203372302U (en) * | 2013-08-09 | 2014-01-01 | 重庆长安汽车股份有限公司 | Automobile rear floor assembly |
| CN104960581A (en) * | 2015-07-20 | 2015-10-07 | 奇瑞汽车股份有限公司 | Automobile rear floor made from composite materials and manufacturing method of automobile rear floor |
| CN105922694A (en) * | 2016-04-21 | 2016-09-07 | 广州金发碳纤维新材料发展有限公司 | Lightweight fiber reinforced thermoplastic resin plate |
| CN206265162U (en) * | 2016-12-22 | 2017-06-20 | 广东亚太新材料科技有限公司 | A kind of new car floor after one's death |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109398501A (en) * | 2018-09-19 | 2019-03-01 | 中国第汽车股份有限公司 | Floor and preparation method thereof after in a kind of composite material integrated form for electric vehicle |
| CN109625098A (en) * | 2018-11-06 | 2019-04-16 | 东莞市汇力模具有限公司 | Floor and its manufacturing method after a kind of integrated form vehicle body |
| CN111845971A (en) * | 2019-04-30 | 2020-10-30 | 广州汽车集团股份有限公司 | Spare tire compartment, manufacturing method of spare tire compartment and automobile |
| WO2023133638A1 (en) * | 2022-01-14 | 2023-07-20 | Tiercon Corp. | Impact resistant lightweight composite structures and uses thereof |
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Application publication date: 20170613 |