CN108717961A - A kind of battery case lower box body of New-energy electric vehicle - Google Patents
A kind of battery case lower box body of New-energy electric vehicle Download PDFInfo
- Publication number
- CN108717961A CN108717961A CN201810841199.9A CN201810841199A CN108717961A CN 108717961 A CN108717961 A CN 108717961A CN 201810841199 A CN201810841199 A CN 201810841199A CN 108717961 A CN108717961 A CN 108717961A
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- link
- box body
- lower box
- metal strip
- new
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- 239000002131 composite material Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims description 71
- 229910052751 metal Inorganic materials 0.000 claims description 71
- 239000000853 adhesive Substances 0.000 claims description 11
- 230000001070 adhesive effect Effects 0.000 claims description 11
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 230000003340 mental effect Effects 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 239000012779 reinforcing material Substances 0.000 claims description 6
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 229920002748 Basalt fiber Polymers 0.000 claims description 2
- 239000004831 Hot glue Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 239000000446 fuel Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 8
- 239000007769 metal material Substances 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- -1 laminate Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a kind of battery case lower box bodies of New-energy electric vehicle, including the lower face plate being fixedly connected and lower box body frame, the material of lower face plate and lower box body frame is nonmetallic composite, lower box body frame includes the first link, second link and sequentially connected third link, 4th link, 5th link, 6th link, 7th link and the 8th link, one end of first link is fixedly connected on the centre position of the second link, the other end of first link is fixedly connected on the centre position of third link, one end of second link is fixedly connected on the junction of the 4th link and the 5th link, the other end of second link is fixedly connected on the junction of the 7th link and the 8th link.The present invention uses composite material, meets lightweight requirements, improves the dynamic property of automobile, reduces fuel consumption, reduces exhaust pollution, is suitably applied New-energy electric vehicle field.
Description
Technical field
The present invention relates to the parts technical fields of New-energy electric vehicle, more particularly to a kind of New-energy electric vehicle
Battery case lower box body.
Background technology
Electric vehicle is a kind of automobile using single accumulator as stored energy power source, is provided to motor by battery
Electric energy, drive motor operating, to push running car.The fast development of auto industry, brings traffic convenience
Meanwhile the problems such as being also faced with environmental pollution and energy shortages, makes the sustainable development of auto industry to cope with these problems
Exhibition, energy-saving and emission-reduction have become the important subject of auto industry.Automotive light weight technology is the important means of energy-saving and emission-reduction, is being protected
Under the premise of the intensity and security performance of demonstrate,proving automobile, mitigate the kerb weight of automobile as much as possible, to improve the power of automobile
Property, fuel consumption is reduced, exhaust pollution is reduced.Reach the target of automotive light weight technology, first, it can be by being set to body structure
Meter optimization achieves the goal；Second, traditional material is replaced by light-weight high-strength material.
The core technology of electric vehicle is battery, motor and automatically controlled, battery performance and cost, battery management system and motor
Key components and parts.Battery case provides protection and supporting role as protection and support unit for electric vehicle battery system, and normal
Rule battery case is made of metal material, and heavier mass is unfavorable for the sustainable development of auto industry.
Invention content
The object of the present invention is to provide a kind of battery case lower box bodies of New-energy electric vehicle, to solve the above-mentioned prior art
There are the problem of, so that the quality of battery case is declined, improve the dynamic property of automobile.
To achieve the above object, the present invention provides following schemes：
The present invention provides a kind of battery case lower box bodies of New-energy electric vehicle, including lower face plate and lower box body frame
The material of frame, the lower face plate and the lower box body frame is nonmetallic composite, and the lower box body frame, which is fixed, to be connected
It is connected in the lower face plate, the lower box body frame includes that the first link, the second link and sequentially connected third connect
Frame, the 4th link, the 5th link, the 6th link, the 7th link and the 8th link are connect, first link
One end is fixedly connected on the centre position of second link, and the other end of first link is fixedly connected on described
The one end in the centre position of three links, second link is fixedly connected on the 4th link and the 5th connection
The junction of frame, the other end of second link are fixedly connected on the company of the 7th link and the 8th link
Meet place.
Preferably, the basis material of the nonmetallic composite is epoxy resin, and reinforcing material is carbon fiber, glass fibers
Any one or a few in peacekeeping basalt fibre.
Preferably, the lower box body frame is integrally formed.
Preferably, the thickness of the lower box body frame is 3-5mm, and the thickness of the lower face plate is 5-10mm, under described
The shape of surface plate is consistent with the shape of the lower box body frame.
Preferably, the minimum dimension of the battery case lower box body of the New-energy electric vehicle is：Length × width × height=800mm
× 600mm × 80mm, full-size are：Length × width × height=2500mm × 2000mm × 200mm.
Preferably, the battery case lower box body of New-energy electric vehicle further includes the first metal strip, the second metal strip, third gold
Belong to article, the 4th metal strip, the first metallic support and the second metallic support, it is first metal strip, second metal strip, described
Third metal strip, the 4th metal strip, first metallic support and second metallic support with the lower face plate
It is bolted, first metal strip and second metal strip are respectively arranged at the both sides of first link, institute
State the inside that third metal strip is set to the 4th link, one end and second link of the third metal strip
Inside connects, and the other end of the third metal strip is connect with the inside of the third link, the 4th metal strip setting
In the inside of the 8th link, described 4th metal strip one end is connect with the inside of second link, the third
The other end of metal strip is connect with the inside of the third link, and first metallic support is set to the 4th link
Outside, second metallic support is set to the outside of the 8th link, the side of first metallic support and institute
The side for stating the second metallic support is both secured to the downside of the lower face plate.
Preferably, first metal strip, second metal strip, the third metal strip, the 4th metal strip, institute
The material for stating the first metallic support and second metallic support is mental section, and the mental section is aluminium section bar and stainless
Any one in steel profile.
Preferably, it is equipped with installation on the lower box body frame, first metallic support and second metallic support
Hole, the mounting hole by bolt with upper cartridge body and automobile chassis for being connect.
Preferably, the battery case lower box body of New-energy electric vehicle further includes fixed strip, the fixed strip and the following table
Panel is bonded by adhesive, and the fixed strip is set between second link and the 6th link；Under described
Box body frame is bonded with the lower face plate by the adhesive, and the adhesive is high temperature resistant polyurethane, high temperature resistant hot melt
Any one or a few in glue and heat resistant epoxide resin.
Preferably, the material of the fixed strip is the nonmetallic composite, and the thickness of the fixed strip is 3-5mm,
The quantity of the fixed strip is at least three, and the interval between the two neighboring fixed strip is equal.
The present invention achieves following technique effect compared with the existing technology：
1, the battery case lower box body of New-energy electric vehicle is made of composite material instead of metal material, meets lightweight
It is required that improving the dynamic property of automobile, fuel consumption is reduced, exhaust pollution is reduced, is conducive to the sustainable development of auto industry, is fitted
It closes and is applied to New-energy electric vehicle field.
2, in manufacture craft, since the lower face plate and lower box body frame of new energy battery case lower box body are using nonmetallic
Composite material realizes the integrated molding of lower face plate and lower box body frame, realizes the single parts collection of multiple functions
It closes in a few parts, substantially reduces the number of parts of the similar product of metal material making, reduce positioning, assembling
Process eliminates the welding procedure of the big aluminium alloy of welding procedure, especially technical difficulty.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the isometric view of the battery case lower box body of New-energy electric vehicle of the present invention；
Fig. 2 is the front view of the battery case lower box body of New-energy electric vehicle of the present invention；
Fig. 3 is the structural schematic diagram of Section A-A in Fig. 2；
Wherein：1- lower face plates, the first links of 2-, the second links of 3-, 4- third links, the 4th links of 5-,
The 5th links of 6-, the 6th links of 7-, the 7th links of 8-, the 8th links of 9-, the first metal strips of 10-, the second metals of 11-
Item, 12- third metal strips, the 4th metal strips of 13-, the first metallic supports of 14-, the second metallic supports of 15-, 16- fixed strips.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of not making the creative labor it is all its
His embodiment, shall fall within the protection scope of the present invention.
In the description of the present invention it is to be appreciated that term "upper", "lower", " left side " and " right side " instruction orientation or position
Relationship is orientation based on ... shown in the drawings and position relationship, it is only for facilitate the structurally and operationally mode of description, rather than
It indicates or implies that signified part must have a particular orientation, be operated with specific orientation, thus should not be understood as to this
The limitation of invention.
The object of the present invention is to provide a kind of battery case lower box bodies of New-energy electric vehicle, to solve prior art presence
The problem of, so that the quality of battery case is declined, improves the dynamic property of automobile.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
As shown in Figure 1-Figure 3：Present embodiments provide a kind of battery case lower box body of New-energy electric vehicle, including following table
Panel 1 and lower box body frame, lower face plate 1 play support and protective effect, and lower box body frame plays connection function.New energy electric vapour
The battery case lower box body of vehicle mainly connects the upper cartridge body, automobile chassis, battery module of car battery box, can sustain and be not more than
The weight of 400kg.The size of the battery case lower box body of New-energy electric vehicle is according to the quantity and size of the battery module of connection
It can be adjusted, the minimum dimension of the battery case lower box body of New-energy electric vehicle is：Length × width × height=800mm × 600mm
× 80mm, full-size are：Length × width × height=2500mm × 2000mm × 200mm.
Lower box body frame is fixedly connected in lower face plate 1, and the thickness of lower box body frame is 3-5mm, the thickness of lower face plate 1
Degree is 5-10mm, and the shape of lower face plate 1 is consistent with the shape of lower box body frame.The material of lower face plate 1 and lower box body frame
It is nonmetallic composite, lower box body frame and lower face plate 1 are all made of integrated molding and are made, nonmetallic composite
Production technology be preferably any one in wet method mould pressing process, vacuum introducing technology and hand paste technique, more preferably wet method
Mould pressing process.Lower face plate 1 and lower box body frame replace metal material using composite material, meet lightweight requirements, are conducive to
Energy-saving and emission-reduction.
The basis material of nonmetallic composite is epoxy resin, and reinforcing material is preferably carbon fiber, glass fibre and profound
Any one or a few in military rock fiber, reinforcing material is preferably glass fibre.When reinforcing material is carbon fiber, carbon fiber
The organizational form of fabric, that is, carbon cloth mixes for one or both of plain weave or twill, fibre bundle 3k, 6k, 12k,
One or more combinations in 24k, small bunch fiber are used for apparent face, and big bunch fiber is for reinforcing rigidity；Work as reinforcing material
For glass fibre when, glass fibre be E grade fiberglass cloths.Strong core mat is used between the different fibrous layers of nonmetallic composite
It is filled.Specifically, nonmetallic composite is usually connected by 2 layers or 2 layers or more of fiber cloth by epoxy matrix material
It is bonded together, fibrous layer is the scrim cloth for the thickness for forming nonmetallic composite.Strong core mat is generally light material, example
Such as high score expanded material, metal foaming material, solid wood, laminate, particle board, cellular type core layer.Strong core mat is typically disposed in non-
Connection and isolation nonmetallic composite wood up and down are played in the centre position of the thickness direction of metallic composite fibrous layer on mechanics
The bed of material, the effect of the bending stiffness and intensity of reinforcement structure.Nonmetallic composite has high intensity, high-modulus, low-density
Nonmetallic composite is applied to automobile by feature, and integrated level is high, can reduce amount of parts, moulding can design, damping performance
It is good, overturn automobile production flow.
Lower box body frame includes that the first link 2, the second link 3 and sequentially connected third link the 4, the 4th connect
Frame 5, the 5th link 6, the 6th link 7, the 7th link 8 and the 8th link 9, one end of the first link 2, which is fixed, to be connected
It is connected to the centre position of the second link 3, the other end of the first link 2 is fixedly connected on the centre position of third link 4,
One end of second link 3 is fixedly connected on the junction of the 4th link 5 and the 5th link 6, the second link 3 it is another
End is fixedly connected on the junction of the 7th link 8 and the 8th link 9.The length phase of first link 2 and the second link 3
It is more than the length of the 6th link 7 Deng the length of, the second link 3, the 4th link 5 is identical with the structure of the 8th link 9
And equal length, the 5th link 6 is identical with the structure of the 7th link 8 and equal length.
The battery case lower box body of New-energy electric vehicle further includes the first metal strip 10, the second metal strip 11, third metal
Article the 12, the 4th metal strip 13, the first metallic support 14 and the second metallic support 15, the first metal strip 10, the second metal strip 11,
Three metal strips 12, the 4th metal strip 13, the first metallic support 14 and the second metallic support 15 play fastening and connection function.First gold medal
Belong to article the 10, second metal strip 11, third metal strip 12, the 4th metal strip 13, the first metallic support 14 and the second metallic support 15
It is bolted with lower face plate 1 or adhesive bonds, the first metal strip 10 and the second metal strip 11 are respectively arranged at
The both sides of first link 2, third metal strip 12 are set to the inside of the 4th link 5, one end of third metal strip 12 and the
The inside of two links 3 connects, and the other end of third metal strip 12 is connect with the inside of third link 4, the 4th metal strip 13
It is set to the inside of the 8th link 9,13 one end of the 4th metal strip is connect with the inside of the second link 3, third metal strip 12
The other end connect with the inside of third link 4, the first metallic support 14 is set to the outside of the 4th link 5, the second gold medal
Belong to holder 15 and be set to the outside of the 8th link 9, the side of the side of the first metallic support 14 and the second metallic support 15 is equal
It is fixed on the downside of lower face plate 1.First metal strip 10, the second metal strip 11, third metal strip 12 and the 4th metal strip 13
Structure all same and be equal in length, the first metallic support 14 is identical with the structure of the second metallic support 15 and equal length.
First metal strip 10, the second metal strip 11, third metal strip 12, the 4th metal strip 13,14 and of the first metallic support
The material of second metallic support 15 is mental section, and mental section is preferably any one in aluminium section bar and bar section of stainless steel
Kind, more preferably aluminium section bar.It is equipped with mounting hole on lower box body frame, the first metallic support 14 and the second metallic support 15, is pacified
Dress hole by bolt with upper cartridge body and automobile chassis for being connect.
The battery case lower box body of New-energy electric vehicle further includes fixed strip 16, and fixed strip 16 is for fastening the small of installation
Part.Fixed strip 16 is bonded with lower face plate 1 by adhesive, fixed strip 16 be set to the second link and the 6th link it
Between.Lower box body frame is bonded with lower face plate 1 by adhesive, and adhesive is preferably high temperature resistant polyurethane, High-temp.-resistant hot-melt adhesive
With any one or a few in heat resistant epoxide resin, adhesive is more preferably high temperature resistant polyurethane.The material of fixed strip 16 is
The thickness of above-mentioned nonmetallic composite, fixed strip 16 is 3-5mm, and the quantity of fixed strip 16 is preferably at least three, fixes
The quantity of item 16 is more preferably three, and the interval between two neighboring fixed strip 16 is equal.
The lower face plate 1 and lower box body frame of the battery case lower box body of New-energy electric vehicle in the present embodiment are using non-
Metallic composite makes instead of metal material, in manufacture craft, due to 1 He of lower face plate of new energy battery case lower box body
Lower box body frame uses nonmetallic composite, realizes the integrated molding of lower face plate 1 and lower box body frame, realizing will be more
In the single parts set to a few parts of kind function, the part of the similar product of metal material making is substantially reduced
Quantity reduces positioning, assembling procedure, eliminates the welding procedure of the big aluminium alloy of welding procedure, especially technical difficulty, because
This, the lower face plate 1 and lower box body frame of the battery case lower box body of New-energy electric vehicle are made using nonmetallic composite
Reach lightweight purpose with not only reaching from material itself, it is often more important that realize the drop of process for assembling and welding difficulty
Low, concerned process steps reduce and the reduction of material utilization amount, greatly reduce cost of manufacture and difficulty of processing, while improving automobile
Dynamic property, reduce fuel consumption, reduce exhaust pollution, be conducive to the sustainable development of auto industry, be suitably applied
New-energy electric vehicle field.
Specific case is applied in this specification, and principle and implementation of the present invention are described, above example
Explanation be merely used to help understand the present invention method and its core concept；Meanwhile for those of ordinary skill in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (10)
1. a kind of battery case lower box body of New-energy electric vehicle, it is characterised in that：Including lower face plate and lower box body frame, institute
The material for stating lower face plate and the lower box body frame is nonmetallic composite, and the lower box body frame is fixedly connected on institute
It states in lower face plate, the lower box body frame includes the first link, the second link and sequentially connected third link, the
One end of four links, the 5th link, the 6th link, the 7th link and the 8th link, first link is solid
Surely it is connected to the centre position of second link, the other end of first link is fixedly connected on the third connection
The centre position of frame, one end of second link are fixedly connected on the company of the 4th link and the 5th link
Place is met, the other end of second link is fixedly connected on the junction of the 7th link and the 8th link.
2. the battery case lower box body of New-energy electric vehicle according to claim 1, it is characterised in that：It is described nonmetallic multiple
The basis material of condensation material is epoxy resin, and reinforcing material is any one in carbon fiber, glass fibre and basalt fibre
Or it is several.
3. the battery case lower box body of New-energy electric vehicle according to claim 1, it is characterised in that：The lower box body frame
Frame is integrally formed.
4. the battery case lower box body of New-energy electric vehicle according to claim 1, it is characterised in that：The lower box body frame
The thickness of frame is 3-5mm, and the thickness of the lower face plate is 5-10mm, the shape of the lower face plate and the lower box body frame
Shape be consistent.
5. the battery case lower box body of New-energy electric vehicle according to claim 1, it is characterised in that：The new energy electricity
The minimum dimension of the battery case lower box body of electrical automobile is：Length × width × height=800mm × 600mm × 80mm, full-size are：It is long
× wide × height=2500mm × 2000mm × 200mm.
6. the battery case lower box body of New-energy electric vehicle according to claim 1, it is characterised in that：It further include the first gold medal
Category article, the second metal strip, third metal strip, the 4th metal strip, the first metallic support and the second metallic support, first metal
Article, second metal strip, the third metal strip, the 4th metal strip, first metallic support and second gold medal
Belong to holder to be bolted with the lower face plate, first metal strip and second metal strip are respectively arranged at institute
The both sides of the first link are stated, the third metal strip is set to the inside of the 4th link, the third metal strip
One end is connect with the inside of second link, is connected on the inside of the other end of the third metal strip and the third link
It connects, the 4th metal strip is set to the inside of the 8th link, and described 4th metal strip one end is connect with described second
The inside of frame connects, and the other end of the third metal strip is connect with the inside of the third link, the first metal branch
The outside for being placed in the 4th link is set up, second metallic support is set to the outside of the 8th link, described
The side of first metallic support and the side of second metallic support are both secured to the downside of the lower face plate.
7. the battery case lower box body of New-energy electric vehicle according to claim 6, it is characterised in that：First metal
Article, second metal strip, the third metal strip, the 4th metal strip, first metallic support and second gold medal
The material for belonging to holder is mental section, and the mental section is any one in aluminium section bar and bar section of stainless steel.
8. the battery case lower box body of New-energy electric vehicle according to claim 6, it is characterised in that：The lower box body frame
Be equipped with mounting hole on frame, first metallic support and second metallic support, the mounting hole be used for by bolt with
Upper cartridge body is connected with automobile chassis.
9. the battery case lower box body of New-energy electric vehicle according to claim 1, it is characterised in that：Further include fixing
Item, the fixed strip are bonded with the lower face plate by adhesive, and the fixed strip is set to second link and institute
It states between the 6th link；The lower box body frame is bonded with the lower face plate by the adhesive, and the adhesive is
Any one or a few in high temperature resistant polyurethane, High-temp.-resistant hot-melt adhesive and heat resistant epoxide resin.
10. the battery case lower box body of New-energy electric vehicle according to claim 9, it is characterised in that：The fixed strip
Material be the nonmetallic composite, the thickness of the fixed strip is 3-5mm, and the quantity of the fixed strip is at least three
A, the interval between the two neighboring fixed strip is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810841199.9A CN108717961A (en) | 2018-07-27 | 2018-07-27 | A kind of battery case lower box body of New-energy electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810841199.9A CN108717961A (en) | 2018-07-27 | 2018-07-27 | A kind of battery case lower box body of New-energy electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN108717961A true CN108717961A (en) | 2018-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810841199.9A Pending CN108717961A (en) | 2018-07-27 | 2018-07-27 | A kind of battery case lower box body of New-energy electric vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022516792A (en) * | 2019-01-09 | 2022-03-02 | ビーワイディー カンパニー リミテッド | Battery packs, vehicles and energy storage devices |
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| CN106207029A (en) * | 2016-07-13 | 2016-12-07 | 精功（绍兴）复合材料有限公司 | A kind of batteries of electric automobile pallet and manufacture method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2022516792A (en) * | 2019-01-09 | 2022-03-02 | ビーワイディー カンパニー リミテッド | Battery packs, vehicles and energy storage devices |
| JP7311611B2 (en) | 2019-01-09 | 2023-07-19 | ビーワイディー カンパニー リミテッド | Battery packs, vehicles and energy storage devices |
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Application publication date: 20181030 |