CN108100045A - A kind of carbon fibre reinforced composite automobile engine cover containing pre-buried function accessories - Google Patents

A kind of carbon fibre reinforced composite automobile engine cover containing pre-buried function accessories Download PDF

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Publication number
CN108100045A
CN108100045A CN201711351460.9A CN201711351460A CN108100045A CN 108100045 A CN108100045 A CN 108100045A CN 201711351460 A CN201711351460 A CN 201711351460A CN 108100045 A CN108100045 A CN 108100045A
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China
Prior art keywords
layer
function accessories
reinforced composite
carbon fibre
fibre reinforced
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CN201711351460.9A
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Chinese (zh)
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CN108100045B (en
Inventor
郭巍
罗统波
华林
孟正华
王辉
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08Front or rear portions
    • B62D25/10Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
    • B62D25/105Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles for motor cars
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D29/00Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/04Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of synthetic material
    • B62D29/043Superstructures

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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)
  • Superstructure Of Vehicle (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

The invention discloses a kind of carbon fibre reinforced composite automobile engine covers containing pre-buried function accessories, including the bonnet body made of carbon fibre reinforced composite and at least one function accessories, the carbon fibre reinforced composite is layer structure, including interior fibrous layer, outer fibre layer and the laminboard layer being filled between the interior fibrous layer and outer fibre layer, the inner end of the function accessories is preset in laminboard layer, fibrous layer is set in the outer end stretching of the function accessories, the interior fibrous layer and outer fibre layer cure integral after laminboard layer filling finishes and function accessories are preset.The function accessories such as the present invention will latch, hinge rotating arm mounting base for installing hinge are built in the fibrous layer and laminboard layer of carbon fibre reinforced composite, and it is integrally formed, being welded to connect between later stage bonnet and its function accessories is eliminated, the further genralrlization application for being carbon fibre reinforced composite on automobile provides preferable reference scheme.

Description

A kind of carbon fibre reinforced composite automobile engine cover containing pre-buried function accessories
Technical field
The present invention relates to a kind of auto parts and components more particularly to a kind of carbon fiber reinforced plastics containing pre-buried function accessories Expect automobile engine cover.
Background technology
It is shown according to correlative study, energy-saving and emission-reduction and the performance boost of automotive light weight technology technology to realizing automobile etc. is all There is more considerable contribution.Such as in terms of energy-saving and emission-reduction, if vehicle complete vehicle weight can reduce by 10%, fuel efficiency can be corresponding Ground can improve 6%-8%;In terms of performance boost, the application of automotive light weight technology technology causes automobile in dynamic property, braking Etc. performance it is more excellent.In addition to above-mentioned advantage, the Lightweight Technology of automobile is also to improve new-energy automobile course continuation mileage One of determinant.
Lightweight Technology develop increasingly and the current less and less background in traditional material lightweight space under, find new Lightweight alternative materials obviously become trend of the times.Carbon fibre reinforced composite is due to possessing the same of excellent mechanical performance When have light weight this unique advantage concurrently, it is made above to get most of the attention in the Lightweight Technology application of automobile.It is such as related in recent years Automobile vendor above has an effect one after another in the exploitation and application of carbon fibre material, it is desirable to be able to the competition of product is further promoted by it Advantage.
Though carbon fibre composite is huge in the development potentiality of automotive light weight technology technical aspect, however it still has currently Considerable problem needs are solved.Such as traditional metal material, carbon fibre composite can not pass through weldering Connection technology realizes the connection between parts, so as to need to propose the Joining Technology or organization plan that some are new so that carbon is fine It is simpler and economical to tie up application of the composite material on auto parts and components.
For example, traditional metal material automobile engine cover and its function accessories (such as Cover lock for engine lock, Hinge of Engine Hood) Between often through the modes such as welding or being bolted realize that its mutual connection is fixed.When compound using new carbon fiber Material substitution steel are come when manufacturing bonnet, it is evident that the installation fixation between bonnet and its function accessories can not It is realized by welding or simple mechanical connection.This problem is limitation carbon fibre reinforced composite on auto parts and components One of factor of popularization and application.And the today constantly upgraded in automotive light weight technology technical need, accelerate lightweighting materials in automobile On popularization and application seem extremely urgent again.Increase to solve traditional welding and the connection modes such as be bolted in carbon fiber The problem of being not exclusively applicable on strong composite material automobile bonnet and in view of further reducing parts machining cost, closes Reason reduces parts machining technique, and accelerates to realize popularization and application of the Novel lightweight material on automobile, and the application proposes one Carbon fibre reinforced composite automobile engine cover of the kind containing pre-buried function accessories, this bonnet can meet car engine simultaneously The lightweight demand of lid and functional requirements etc..
The content of the invention
It is an object of the invention to provide a kind of carbon fibre reinforced composite automobile engine cover containing pre-buried function accessories, The function accessories such as it latches bonnet, Hinge of Engine Hood hold-down support be built in the fibrous layer of carbon fibre reinforced composite with It in laminboard layer, and is integrally formed, eliminates being welded to connect between later stage bonnet and its function accessories, answered for fibre reinforced Further genralrlization application of the condensation material on automobile provides preferable reference scheme.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of carbon fibre reinforced composite automobile engine cover containing pre-buried function accessories, the bonnet include fine using carbon The bonnet body and at least one function accessories, the bonnet body that dimension enhancing composite material makes include interior fiber Layer, outer fibre layer and the laminboard layer being filled between the interior fibrous layer and outer fibre layer, the inner end of the function accessories are pre- It is located in laminboard layer, fibrous layer is set in the outer end stretching of the function accessories, and the interior fibrous layer and outer fibre layer are default Cure after the laminboard layer filling of functional attachment integral.
By above-mentioned technical proposal, the function accessories include lock.
By above-mentioned technical proposal, the inner end of the lock is stretched out laminboard layer and is contacted with the inner surface of outer fibre layer.
By above-mentioned technical proposal, the thickness of the outer fibre layer and lock contact area is more than the thickness in other regions.
By above-mentioned technical proposal, the interior fibrous layer and outer fibre layer are made of multi-layer fiber laying, the outer fiber The number of plies of fiber laying of the layer with latching contact area is more than the number of plies of the fiber laying in other regions.
By above-mentioned technical proposal, the function accessories include installing the hinge rotating arm mounting base of hinge, the hinge The outer end of fibrous layer is detachably connected with a hinge rotating arm in the stretching of chain rotating arm mounting base.
By above-mentioned technical proposal, the inner end of the hinge rotating arm mounting base is equipped with flange, the bottom of the flange with it is interior The inner surface contact of fibrous layer.
By above-mentioned technical proposal, the interior fibrous layer and the thickness in the Hp contacts region of hinge rotating arm mounting base are more than The thickness in other regions.
By above-mentioned technical proposal, the interior fibrous layer and outer fibre layer are made of multi-layer fiber laying, the interior fiber The number of plies of layer and the fiber laying in the Hp contacts region of hinge rotating arm mounting base is more than the layer of the fiber laying in other regions Number.
By above-mentioned technical proposal, the interior fibrous layer and outer fibre layer by carbon fiber and resin matrix composite curing and Into the laminboard layer is foamed plastics material.
The beneficial effect comprise that:Bonnet body in the present invention is made by carbon fibre reinforced composite, And before the interior outer fibre layer of carbon fibre reinforced composite cures, function accessories are embedded in laminboard layer, realize function The integrated molding of attachment, fibrous layer and laminboard layer reduces bonnet molding procedure, and bonnet is avoided to be reprocessed after being molded, Bonnet after shaping can be installed and use with car body cooperation without installing other function accessories additional again.The present invention is meeting automobile While bonnet lightweight demand, fully taken into account bonnet and its latch, the installation between the function accessories such as hinge is fixed. The present invention has adapted to the technical need of automotive light weight technology instantly, can not be suitable for the premise of new material in traditional manufacturing process , certain help is played for popularization and application of the novel light material on automobile.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the invention will be further described, in attached drawing:
Fig. 1 is the structure diagram of the embodiment of the present invention;
Fig. 2 is the partial sectional view latched in the embodiment of the present invention;
Fig. 3 is the partial sectional view of hinge rotating arm mounting base in the embodiment of the present invention;
Fig. 4 is hinge rotating arm mounting base and the structure diagram of hinge rotating arm installation in the embodiment of the present invention.
In figure:1- outer fibre layers, 2- laminboard layers, fibrous layer in 3-, 4- locks, 5- hinge rotating arm mounting bases, 6- hinges Rotating arm, 7- bolt and nut fasteners.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not For limiting the present invention.
As shown in Figure 1-Figure 3, a kind of carbon fibre reinforced composite automobile engine cover containing pre-buried function accessories, the engine Lid includes the bonnet body made of carbon fibre reinforced composite and at least one function accessories (lock 4 and hinge Rotating arm mounting base 5, the material of the function accessories can be metal or nonmetallic, and the present embodiment preferred pin is to the work(of metal material Energy attachment), bonnet body includes interior fibrous layer 3, outer fibre layer 1 and is filled between interior fibrous layer 3 and outer fibre layer 1 Laminboard layer 2, the inner end of function accessories are preset in laminboard layer, and fibrous layer is set in the outer end stretching of function accessories, interior fibrous layer Cure integrally after the laminboard layer for being preset with function accessories is filled with outer fibre layer, wherein, outer fibre layer and interior fiber Layer the two intersecting boundary it is smooth smoothly transit, do not cause the mutation in structure in the two intersection, so can be with It avoids causing stress concentration, two can be to avoid the handsome in appearance of influence bonnet.
In a preferred embodiment of the invention, as shown in Figure 1 and Figure 2, function accessories include lock 4, and the inner end of lock is stretched out Laminboard layer is contacted with the inner surface of outer fibre layer, it is preferred that the thickness of outer fibre layer and lock contact area is more than other regions Thickness, interior fibrous layer and outer fibre layer be made of multi-layer fiber laying, the fiber lay down of outer fibre layer and lock contact area The number of plies of layer is more than the number of plies of the fiber laying in other regions.
Lock be embedded in laminboard layer, and and be partial to laminboard layer close to that one side of outer fibre layer, this is mainly in view of lock Button is subject to the pulling force effect of the main lock of automotive engine hood lock for a long time during the work time, is partial in placement process is latched On the outside of bonnet, suffered pulling force will be latched by, which being more advantageous to, passes to entire automobile engine cover structure, and avoids causing bonnet The stripping of interior fibrous layer.Outer fibre layer is designed as variable cross-section laying in the contact area with lock, this is primarily due to the region Load effect is subjected to, by carrying out reinforcement to the region, so as to avoid being caused in the region in bonnet outer fibre layer structure Destruction.
In a preferred embodiment of the invention, as shown in Fig. 1, Fig. 3, Fig. 4, function accessories include installing the hinge of hinge Chain rotating arm mounting base 5, hinge rotating arm mounting base 5 stretches out the outer end of interior fibrous layer 3 and a hinge rotating arm 6 detachably connects It connects, equipped with flange, (hinge rotating arm mounting base is designed as T-shaped structure, so that it is fastened on for the inner end of hinge rotating arm mounting base In bonnet body, avoid dropping out interior fibrous layer when being subject to external force), the bottom of flange is contacted with the inner surface of interior fibrous layer, The thickness in the Hp contacts region of interior fibrous layer and hinge rotating arm mounting base is more than the thickness in other regions, interior fibrous layer and outer Fibrous layer is made of multi-layer fiber laying, interior fibrous layer and the fiber laying in the Hp contacts region of hinge rotating arm mounting base The number of plies be more than other regions fiber laying the number of plies.Company between 5 outer end of hinge rotating arm mounting base and hinge rotating arm 6 It connects using 7 this mechanical connection manner of bolt and nut fastener, is so convenient for hinge rotating arm mounting base and hinge rotating arm Manufacture and the installation and maintenance in hinge rotating arm later stage.
Hinge rotating arm mounting base is embedded in bonnet laminboard layer, and be partial to laminboard layer close to interior fibrous layer that Side, this is mainly in view of hinge rotating arm mounting base and is subject to bonnet self gravitation effect during the work time, is arranged in Bonnet laminboard layer can cause the outside of bonnet to deform on the outside of bonnet or even cause the stripping of bonnet outer fibre layer From.Interior fibrous layer is designed as variable cross-section laying in the contact area with hinge rotating arm mounting base, this is primarily due to the region Load effect is subjected to, by carrying out reinforcement to the region, so as to avoid causing in bonnet on fiber layer structure in the region Destruction.
In a preferred embodiment of the invention, interior fibrous layer and outer fibre layer are by carbon fiber and resin matrix composite curing It forms, laminboard layer is foamed plastics material.
The present invention in specific application, the bonnet mainly include outer fibre layer 1, laminboard layer 2, interior fibrous layer 3, lock 4, Hinge rotating arm mounting base 5, hinge rotating arm 6 and bolt and nut fastener 7, it is different from traditional metal material automobile engine cover , the present invention is mainly formed by resin with carbon-fiber-reinforced, and the filled and process between outer fibre layer 1 and interior fibrous layer 3 Laminboard layer 2 is formed, at the same time, before carbon fiber and resin solidification, just will be latched built in 4 and hinge rotating arm mounting base 5 In in laminboard layer 2, then using co-curing process by carbon fibre reinforced composite bonnet body and the work(of metal material Energy attachment is integrally formed, and so can be again processed after formation to avoid bonnet.
It should be appreciated that for those of ordinary skills, can be improved or converted according to the above description, And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.

Claims (10)

  1. A kind of 1. carbon fibre reinforced composite automobile engine cover containing pre-buried function accessories, which is characterized in that the bonnet bag Include the bonnet body made of carbon fibre reinforced composite and at least one function accessories, the bonnet body bag Include interior fibrous layer, outer fibre layer and the laminboard layer being filled between the interior fibrous layer and outer fibre layer, the function accessories Inner end be preset in laminboard layer, the outer ends of the function accessories stretch out in fibrous layer set, the interior fibrous layer and outer fiber Layer cures integral after the laminboard layer for being preset with function accessories is filled.
  2. 2. the carbon fibre reinforced composite automobile engine cover according to claim 1 containing pre-buried function accessories, feature It is, the function accessories include lock.
  3. 3. the carbon fibre reinforced composite automobile engine cover according to claim 2 containing pre-buried function accessories, feature It is, the inner end of the lock is stretched out laminboard layer and contacted with the inner surface of outer fibre layer.
  4. 4. the carbon fibre reinforced composite automobile engine cover according to claim 3 containing pre-buried function accessories, feature It is, the thickness of the outer fibre layer and lock contact area is more than the thickness in other regions.
  5. 5. the carbon fibre reinforced composite automobile engine cover according to claim 4 containing pre-buried function accessories, feature It is, the interior fibrous layer and outer fibre layer are made of multi-layer fiber laying, the outer fibre layer and lock contact area The number of plies of fiber laying is more than the number of plies of the fiber laying in other regions.
  6. 6. the carbon fibre reinforced composite automobile engine cover according to claim 1 containing pre-buried function accessories, feature It is, the function accessories include installing the hinge rotating arm mounting base of hinge, and the hinge rotating arm mounting base is stretched out The outer end of interior fibrous layer is detachably connected with a hinge rotating arm.
  7. 7. the carbon fibre reinforced composite automobile engine cover according to claim 6 containing pre-buried function accessories, feature It is, the inner end of the hinge rotating arm mounting base is equipped with flange, and the bottom of the flange is contacted with the inner surface of interior fibrous layer.
  8. 8. the carbon fibre reinforced composite automobile engine cover according to claim 7 containing pre-buried function accessories, feature It is, the thickness in the interior fibrous layer and the Hp contacts region of hinge rotating arm mounting base is more than the thickness in other regions.
  9. 9. the carbon fibre reinforced composite automobile engine cover according to claim 8 containing pre-buried function accessories, feature It is, the interior fibrous layer and outer fibre layer are made of multi-layer fiber laying, and the interior fibrous layer is installed with hinge rotating arm The number of plies of the fiber laying in the Hp contacts region of seat is more than the number of plies of the fiber laying in other regions.
  10. 10. the carbon fibre reinforced composite automobile engine cover according to claim 1 containing pre-buried function accessories, feature It is, the interior fibrous layer and outer fibre layer are formed by carbon fiber and resin matrix composite curing, and the laminboard layer is foam Plastic material.
CN201711351460.9A 2017-12-15 2017-12-15 Carbon fiber reinforced composite automobile engine hood containing embedded functional accessories Active CN108100045B (en)

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CN108100045B CN108100045B (en) 2021-01-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111775985A (en) * 2020-07-30 2020-10-16 北京天仁道和新材料有限公司 Cab hood of magnetic levitation vehicle and manufacturing method thereof
CN112810421A (en) * 2020-12-31 2021-05-18 上海晋飞碳纤科技股份有限公司 Rail transit carbon fiber composite material under-vehicle outer cover and manufacturing method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58147360A (en) * 1982-02-26 1983-09-02 マツダ株式会社 Resin shape and its press molding method
EP0392904A1 (en) * 1989-04-11 1990-10-17 Regie Nationale Des Usines Renault Body part for an automotive vehicle with a composite structure, in particular a hood
WO2007122045A1 (en) * 2006-04-18 2007-11-01 Carcoustics Techconsult Gmbh Engine-bonnet trim panel
WO2015044099A1 (en) * 2013-09-27 2015-04-02 Bayer Materialscience Ag Multilayer structural component, method for the production thereof and use thereof
CN105460082A (en) * 2014-09-03 2016-04-06 奇瑞汽车股份有限公司 Vehicle engine hood and preparation method thereof
CN205203134U (en) * 2015-12-03 2016-05-04 郑州比克新能源汽车有限公司 Aircraft bonnet assembly before carbon fiber
CN205273625U (en) * 2015-10-27 2016-06-01 中航复合材料有限责任公司 Hybrid carbon -fibre composite passenger car engine bonnet
CN206544546U (en) * 2017-03-02 2017-10-10 湖南三合汽车新材料有限公司 A kind of bonnet

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58147360A (en) * 1982-02-26 1983-09-02 マツダ株式会社 Resin shape and its press molding method
EP0392904A1 (en) * 1989-04-11 1990-10-17 Regie Nationale Des Usines Renault Body part for an automotive vehicle with a composite structure, in particular a hood
WO2007122045A1 (en) * 2006-04-18 2007-11-01 Carcoustics Techconsult Gmbh Engine-bonnet trim panel
WO2015044099A1 (en) * 2013-09-27 2015-04-02 Bayer Materialscience Ag Multilayer structural component, method for the production thereof and use thereof
CN105460082A (en) * 2014-09-03 2016-04-06 奇瑞汽车股份有限公司 Vehicle engine hood and preparation method thereof
CN205273625U (en) * 2015-10-27 2016-06-01 中航复合材料有限责任公司 Hybrid carbon -fibre composite passenger car engine bonnet
CN205203134U (en) * 2015-12-03 2016-05-04 郑州比克新能源汽车有限公司 Aircraft bonnet assembly before carbon fiber
CN206544546U (en) * 2017-03-02 2017-10-10 湖南三合汽车新材料有限公司 A kind of bonnet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111775985A (en) * 2020-07-30 2020-10-16 北京天仁道和新材料有限公司 Cab hood of magnetic levitation vehicle and manufacturing method thereof
CN112810421A (en) * 2020-12-31 2021-05-18 上海晋飞碳纤科技股份有限公司 Rail transit carbon fiber composite material under-vehicle outer cover and manufacturing method

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