CN208608268U - 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
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- CN208608268U CN208608268U CN201821200853.XU CN201821200853U CN208608268U CN 208608268 U CN208608268 U CN 208608268U CN 201821200853 U CN201821200853 U CN 201821200853U CN 208608268 U CN208608268 U CN 208608268U
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- connection frame
- box body
- lower box
- frame
- metal strip
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- 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
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- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The utility model 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 connection frame, second connection frame and sequentially connected third connection frame, 4th connection frame, 5th connection frame, 6th connection frame, 7th connection frame and the 8th connection frame, one end of first connection frame is fixedly connected on the middle position of the second connection frame, the other end of first connection frame is fixedly connected on the middle position of third connection frame, one end of second connection frame is fixedly connected on the junction of the 4th connection frame and the 5th connection frame, the other end of second connection frame is fixedly connected on the junction of the 7th connection frame and the 8th connection frame.The utility model 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 utility model relates to the parts technical fields of New-energy electric vehicle, more particularly to a kind of New energy electric
The battery case lower box body of automobile.
Background technique
Electric car is a kind of automobile using single battery as stored energy power source, is provided by battery to motor
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 car 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.
Utility model content
The purpose of the utility model is to provide a kind of battery case lower box bodies of New-energy electric vehicle, above-mentioned existing to solve
Technology there are the problem of, decline the quality of battery case, improve the dynamic property of automobile.
To achieve the above object, the utility model provides following scheme:
The utility model provides a kind of battery case lower box body of New-energy electric vehicle, including lower face plate and lower box body
The material of frame, the lower face plate and the lower box body frame is nonmetallic composite, and the lower box body frame is fixed
It is connected in the lower face plate, the lower box body frame includes the first connection frame, the second connection frame and sequentially connected third
Connection frame, the 4th connection frame, the 5th connection frame, the 6th connection frame, the 7th connection frame and the 8th connection frame, first connection frame
One end be fixedly connected on the middle position of second connection frame, the other end of first connection frame is fixedly connected on described
The middle position of third connection frame, one end of second connection frame are fixedly connected on the 4th connection frame and the described 5th and connect
Connect the junction of frame, the other end of second connection frame is fixedly connected on the 7th connection frame and the 8th connection frame
Junction.
Preferably, the basis material of the nonmetallic composite is epoxy resin, and reinforcing material is carbon fiber, glass fibers
Any one in peacekeeping basalt fibre.
Preferably, the lower box body frame is integrally formed.
Preferably, the lower box body frame with a thickness of 3-5mm, the lower face plate with a thickness of 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 are as follows: length × width × height=800mm
× 600mm × 80mm, full-size are as follows: 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 two sides of first connection frame, institute
State the inside that third metal strip is set to the 4th connection frame, one end and second connection frame of the third metal strip
Inside connection, the other end of the third metal strip are connect with the inside of the third connection frame, the 4th metal strip setting
In the inside of the 8th connection frame, described 4th metal strip one end is connect with the inside of second connection frame, the third
The other end of metal strip is connect with the inside of the third connection frame, and first metallic support is set to the 4th connection frame
Outside, second metallic support is set to the outside of the 8th connection frame, 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 aluminum profile and stainless
Any one in steel profile.
Preferably, installation is equipped on the lower box body frame, first metallic support and second metallic support
Hole, the mounting hole are used to connect by bolt with upper cartridge body and automobile chassis.
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 connection frame and the 6th connection frame；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 in glue and heat resistant epoxide resin.
Preferably, the material of the fixed strip is the nonmetallic composite, the fixed strip with a thickness of 3-5mm,
The quantity of the fixed strip is at least three, and the interval between the two neighboring fixed strip is equal.
The utility model achieves following technical 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 components collection of multiple functions
It closes in a few parts, substantially reduces the number of parts of the similar product of metal material production, reduce positioning, assembling
Process eliminates the welding procedure of the big aluminium alloy of welding procedure, especially technical difficulty.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the isometric view of the battery case lower box body of the utility model New-energy electric vehicle；
Fig. 2 is the front view of the battery case lower box body of the utility model New-energy electric vehicle；
Fig. 3 is the structural schematic diagram of Section A-A in Fig. 2；
Wherein: 1- lower face plate, the first connection frame of 2-, the second connection frame of 3-, 4- third connection frame, the 4th connection frame of 5-,
The 5th connection frame of 6-, the 6th connection frame of 7-, the 7th connection frame of 8-, the 8th connection frame of 9-, the first metal strip of 10-, the second metal of 11-
Item, 12- third metal strip, the 4th metal strip of 13-, the first metallic support of 14-, the second metallic support of 15-, 16- fixed strip.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise not made the creative labor
Under every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the utility model it is to be appreciated that term " on ", "lower", " left side " and " right side " instruction orientation or
Positional relationship is orientation and positional relationship based on the figure, it is only for facilitate the structurally and operationally mode of description, and
It is not to indicate or imply that signified part must have a particular orientation, with the operation of specific orientation, thus should not be understood as
Limitations of the present invention.
The purpose of the utility model is to provide a kind of battery case lower box bodies of New-energy electric vehicle, to solve the prior art
There are the problem of, decline the quality of battery case, improve the dynamic property of automobile.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
It is as shown in Figure 1-Figure 3: to 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, is able to bear and is 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 are as follows: length × width × height=800mm × 600mm
× 80mm, full-size are as follows: length × width × height=2500mm × 2000mm × 200mm.
Lower box body frame is fixedly connected in lower face plate 1, lower box body frame with a thickness of 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 process mould pressing process, vacuum introducing technology and hand paste process, more preferably wet process
Mould pressing process.Lower face plate 1 and lower box body frame use composite material to replace metal 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
Fabric, that is, carbon cloth organizational form is that one or both of plain weave or twill mix, fibre bundle 3k, 6k, 12k,
One of 24k or multiple combinations, small bunch fiber are used for apparent face, and big bunch fiber is for reinforcing rigidity；Work as reinforcing material
When for glass fibre, glass fibre is E grade fiberglass cloth.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 forming the thickness of nonmetallic composite.Strong core mat is generally light material, example
Such as high score foamed material, metal foaming material, solid wood, laminate, particle board, cellular type core layer.Strong core mat is typically disposed in non-
The middle position of the thickness direction of metallic composite fibrous layer plays connection on mechanics and nonmetallic composite wood up and down is isolated
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 process.
Lower box body frame includes that the first connection frame 2, the second connection frame 3 and sequentially connected third connection frame the 4, the 4th connect
Frame 5, the 5th connection frame 6, the 6th connection frame 7, the 7th connection frame 8 and the 8th connection frame 9, one end of the first connection frame 2 is fixed to be connected
It is connected to the middle position of the second connection frame 3, the other end of the first connection frame 2 is fixedly connected on the middle position of third connection frame 4,
One end of second connection frame 3 is fixedly connected on the junction of the 4th connection frame 5 and the 5th connection frame 6, the second connection frame 3 it is another
End is fixedly connected on the junction of the 7th connection frame 8 and the 8th connection frame 9.The length phase of first connection frame 2 and the second connection frame 3
It is greater than the length of the 6th connection frame 7 Deng the length of, the second connection frame 3, the 4th connection frame 5 is identical with the structure of the 8th connection frame 9
And equal length, the 5th connection frame 6 is identical with the structure of the 7th connection frame 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 two sides of first connection frame 2, third metal strip 12 are set to the inside of the 4th connection frame 5, one end of third metal strip 12 and the
The inside of two connection frames 3 connects, and the other end of third metal strip 12 is connect with the inside of third connection frame 4, the 4th metal strip 13
It is set to the inside of the 8th connection frame 9,13 one end of the 4th metal strip is connect with the inside of the second connection frame 3, third metal strip 12
The other end connect with the inside of third connection frame 4, the first metallic support 14 is set to the outside of the 4th connection frame 5, the second gold medal
Belong to bracket 15 and be set to the outside of the 8th connection frame 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 it is all the 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 aluminum profile and bar section of stainless steel
Kind, more preferably aluminum profile.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 is used to connect by bolt with upper cartridge body and automobile chassis.
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 and lower face plate 1 by adhesive bonding, fixed strip 16 be set to the second connection frame and the 6th connection frame it
Between.Lower box body frame and lower face plate 1 are bonded 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
Above-mentioned nonmetallic composite, fixed strip 16 with a thickness of 3-5mm, the quantity of fixed strip 16 is preferably at least three, fixed
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 components set to a few parts of kind function, the part of the similar product of metal material production 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.
It applies specific case in this specification to be expounded the principles of the present invention and embodiment, the above reality
The explanation for applying example is merely used to help understand the method and its core concept of the utility model；Meanwhile for the general of this field
Technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up institute
It states, the content of the present specification should not be construed as a limitation of the present 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 connection frame, the second connection frame and sequentially connected third connection frame, the
One end of four connection frames, the 5th connection frame, the 6th connection frame, the 7th connection frame and the 8th connection frame, first connection frame is solid
Surely it is connected to the middle position of second connection frame, the other end of first connection frame is fixedly connected on the third connection
The middle position of frame, one end of second connection frame are fixedly connected on the company of the 4th connection frame and the 5th connection frame
Place is met, the other end of second connection frame is fixedly connected on the junction of the 7th connection frame and the 8th connection frame.
2. the battery case lower box body of New-energy electric vehicle according to claim 1, it is characterised in that: 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.
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
Frame with a thickness of 3-5mm, the lower face plate with a thickness of 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 are as follows: length × width × height=800mm × 600mm × 80mm, full-size are as follows: 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: 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 bracket to be bolted with the lower face plate, first metal strip and second metal strip are respectively arranged at institute
The two sides of the first connection frame are stated, the third metal strip is set to the inside of the 4th connection frame, the third metal strip
One end is connect with the inside of second connection frame, is connected on the inside of the other end of the third metal strip and the third connection frame
It connects, the 4th metal strip is set to the inside of the 8th connection frame, and described 4th metal strip one end is connect with described second
The inside of frame connects, and first metallic support is set to the outside of the 4th connection frame, the second metallic support setting
In the outside of the 8th connection frame, the side of the side of first metallic support and second metallic support is 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 bracket is mental section, and the mental section is any one in aluminum profile 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 and the lower face plate are bonded by adhesive, and the fixed strip is set to second connection frame and institute
It states between the 6th connection frame；The lower box body frame is bonded with the lower face plate by the adhesive, and the adhesive is
Any one 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 fixed strip with a thickness of 3-5mm, 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 |
|---|---|---|---|
| CN201821200853.XU CN208608268U (en) | 2018-07-27 | 2018-07-27 | A kind of battery case lower box body of New-energy electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821200853.XU CN208608268U (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 |
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| CN208608268U true CN208608268U (en) | 2019-03-15 |
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ID=65671300
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| CN201821200853.XU Active CN208608268U (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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717961A (en) * | 2018-07-27 | 2018-10-30 | 广东亚太轻量化技术研究有限公司 | A kind of battery case lower box body of New-energy electric vehicle |
| CN110281470A (en) * | 2019-06-28 | 2019-09-27 | 无锡市鹏得塑料制品有限公司 | A kind of storage battery support, die for processing and processing method |
| CN111516475A (en) * | 2020-04-19 | 2020-08-11 | 东风商用车有限公司 | General structure of vehicle battery frame |
-
2018
- 2018-07-27 CN CN201821200853.XU patent/CN208608268U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717961A (en) * | 2018-07-27 | 2018-10-30 | 广东亚太轻量化技术研究有限公司 | A kind of battery case lower box body of New-energy electric vehicle |
| CN110281470A (en) * | 2019-06-28 | 2019-09-27 | 无锡市鹏得塑料制品有限公司 | A kind of storage battery support, die for processing and processing method |
| CN111516475A (en) * | 2020-04-19 | 2020-08-11 | 东风商用车有限公司 | General structure of vehicle battery frame |
| CN111516475B (en) * | 2020-04-19 | 2021-11-12 | 东风商用车有限公司 | General structure of vehicle battery frame |
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