CN207558879U - A kind of battery pack babinet - Google Patents
A kind of battery pack babinet Download PDFInfo
- Publication number
- CN207558879U CN207558879U CN201721665263.XU CN201721665263U CN207558879U CN 207558879 U CN207558879 U CN 207558879U CN 201721665263 U CN201721665263 U CN 201721665263U CN 207558879 U CN207558879 U CN 207558879U
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- CN
- China
- Prior art keywords
- box
- battery pack
- board unit
- bottom board
- curb girder
- Prior art date
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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
Abstract
The utility model is related to battery pack technical fields, specifically disclose a kind of battery pack babinet, the box frame being connect including box baseplate and with box baseplate, inner surface in the box baseplate is equipped with fixing muscle, the box baseplate is made of the splicing of several piece bottom board unit, the bottom board unit is equipped with by squeezing the reinforcing rib formed, the bottom board unit is integrated with reinforcing rib, box baseplate provided by the utility model is spliced with box frame using Al squeezing material, it can be freely according to battery inclusion quantity splice box body bottom plate and box frame, form light-weighted battery pack babinet, overall structure is simple, flexibility is strong, reduce welding job amount, improve production efficiency.
Description
Technical field
The utility model is related to battery pack technical field more particularly to a kind of battery pack babinets.
Background technology
With the development of economy, the environmental protection concept of people is gradually promoted, and therefore, the electric vehicle with environmentally friendly speciality is also got over
Come more welcomed by the people, increase year by year in entire automobile market occupation rate.In the technological development of electric vehicle, automobile electricity
The properties of Chi Bao are the emphasis of technological development.
Battery pack structure currently on the market mostly using the structure design of steel plate metal plate punching or low-voltage cast aluminum, however this
There are shortcomings for both of which：The body structure intensity of steel plate metal plate punching is not high, stability is poor, and there are Welders
The problem of work amount is big, weld failure point is more and weight is big and die cost is high；The babinet of low-voltage cast aluminum equally exist weight it is big,
The problem of die cost is high, while its processing efficiency is low, product poor universality.
Utility model content
For above-mentioned technical problem, the utility model provides one kind can be freely strong according to the splicing of battery inclusion quantity, structure
Degree height and light-weighted battery pack babinet.
In order to solve the above-mentioned technical problem, concrete scheme provided by the utility model is as follows：A kind of battery pack babinet, including
Box baseplate and the box frame being connect with box baseplate, the inner surface in the box baseplate is equipped with fixing muscle, described
Box baseplate is made of the splicing of several piece bottom board unit, and the bottom board unit is equipped with by squeezing the reinforcing rib formed, the bottom
Plate unit is integrated with reinforcing rib, and fixing muscle is connect with polylith bottom board unit, improves the overall structure of battery pack babinet
Intensity.
Preferably, the bottom board unit is Al squeezing material bottom board unit, has lightweight and crushing resistance using Al squeezing material
The advantages of high.
Preferably, the box frame is made of the splicing of a plurality of curb girder, and the curb girder is Al squeezing material curb girder, using splicing
Mode be conducive to improve production efficiency, Al squeezing material has the advantages that lightweight is high with crushing resistance.
Preferably, the reinforcing rib is equipped with bolt hole in vertical direction, and bolt hole is used to fix battery；The bolt hole
Not through bottom board unit, the overall construction intensity of battery pack babinet and good appearance degree are improved.
Preferably, the section of the bottom board unit and curb girder is polygon latticed trellis, improves crushing resistance and with light
The advantages of quantization.
Preferably, a plurality of curb girder includes two lateral curb girders and two longitudinal curb girders, and the transverse direction curb girder is equipped with
Lifting lug, the longitudinal direction curb girder are equipped with mounting hole, and the setting of lifting lug and mounting hole enables to the position of battery pack and vehicle to close
System is more firm, and use reliability is high.
Preferably, the fixing muscle is fixedly connected with reinforcing rib, two lateral curb girders, effectively strengthens bearing for box baseplate
The overall construction intensity of dynamics and battery pack babinet.
Preferably, the box baseplate between box frame by friction welding together with, improve box baseplate and case
The connective stability of body frame between the bottom board unit by friction welding together, improves the stable connection of box baseplate
Property.
Preferably, the box frame is provided with hierarchic structure in the outer surface weld with box baseplate, uses friction
Larger pressure can be generated during Welding, hierarchic structure accepts pressure, and box frame and box baseplate is avoided to generate plastic deformation.
Preferably, the box frame is provided with oblique angle structure in the inner surface weld with box baseplate, avoids babinet
Frame and box baseplate generate plastic deformation.
Compared with prior art, the beneficial effects of the utility model are：1st, box baseplate is by polylith Al squeezing material bottom plate
Unit spliced forms, and has the advantages that lightweight and reduces welding procedure；It 2nd, can be freely according to battery inclusion quantity splice box body bottom
Plate and box frame, overall structure is simple, using flexible is strong；3rd, bottom board unit is equipped with by squeezing the reinforcing rib formed,
Using secondary welding mode between box baseplate and box frame, the overall construction intensity of battery pack babinet is improved；4th, babinet frame
Frame is provided with hierarchic structure in the outer surface weld with box baseplate, and inner surface weld is provided with oblique angle structure, using rubbing
Larger pressure can be generated when wiping Welding, hierarchic structure and oblique angle structure accept pressure, avoid box frame and box baseplate
Generate plastic deformation.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the front view of the utility model；
Fig. 3 is box baseplate Structure explosion diagram；
Fig. 4 is box frame Structure explosion diagram；
Fig. 5 is bottom board unit sectional view；
Fig. 6 and Fig. 7 is two kinds of different cross section figures of curb girder；
Wherein, 1 is box baseplate；11 be bottom board unit；12 be reinforcing rib；121 be bolt hole；2 be box frame；21 are
Lateral curb girder；211 be lifting lug；22 be longitudinal curb girder；221 be mounting hole；23 be hierarchic structure；24 be oblique angle structure；3 is fix
Muscle.
Specific embodiment
In order to which those skilled in the art is made to be better understood from the technical solution of the utility model, below in conjunction with the accompanying drawings to this
The technical solution of utility model is further elaborated.
Embodiment one：As shown in Fig. 1 ~ 4, a kind of battery pack babinet, the case being connect including box baseplate and with box baseplate
Body frame is additionally provided with fixing muscle on the inner surface in the box baseplate, and box baseplate is made of the splicing of polylith bottom board unit, bottom
Plate unit is equipped with by squeezing the reinforcing rib formed, and bottom board unit is integrated with reinforcing rib.
Specifically, in the present embodiment, the structure of box baseplate polylith bottom board unit as shown in figure 3, be made of, the bottom plate
The vertical view of unit is rectangle, and front view one convex shape of myopia, protrusion is to be formed in bottom board unit by squeezing
Reinforcing rib, reinforcing rib is integrated with bottom board unit so that the overall construction intensity of battery pack babinet is high, while also subtracts
Few welding procedure improves the production efficiency of product.
In order to improve the stable connection between box baseplate and box frame, box baseplate both ends are formed in the present embodiment
Bottom board unit there are corner cuts with the weld of box frame, compared with oblong-shaped, the bottom board unit structure there are corner cut is set
Meter more meets the overall construction design demand of battery pack babinet, it is of course also possible to use not staying there are fillet or the knots such as corner cut
The bottom board unit of structure design, there is no limit the structure of bottom board unit herein.
Box frame is made of the splicing of a plurality of curb girder, and a plurality of curb girder includes two lateral curb girders and two longitudinal direction sides
Beam, lateral curb girder are equipped with lifting lug, and longitudinal curb girder is equipped with mounting hole, the setting of lifting lug and mounting hole enable to battery pack with
The position relationship of vehicle is more firm, and use reliability is high, and the bottom board unit in the present embodiment is Al squeezing material bottom board unit, side
Beam is Al squeezing material curb girder, and Al squeezing material has the advantages that lightweight is high with crushing resistance so that the overall weight of battery pack babinet
Mitigate and compared to the battery pack babinet of traditional approach production, the crushing resistance degree higher of the present embodiment.
Specifically, the both ends of lateral curb girder are equipped at crankle, and it is whole in bending, using elbow pipe processing technology making
Into saving splicing and welding job amount, and whole bear that dynamics is stronger, and structural strength higher, lifting lug is arranged on lateral curb girder
Both ends, the setting of specific interval and position relationship can set according to actual demand, and lifting lug causes battery pack and vehicle
Relationship it is more firm；Longitudinal curb girder is linear structure, and surface is equipped with mounting hole, can pass through bolt or other fixed columns etc.
It is fixedly mounted with vehicle, two lateral curb girders and two longitudinal curb girder splicing composition box frames.
Wherein, fixing muscle is fixedly connected with reinforcing rib, two lateral curb girders, and fixing muscle is arranged on the inner surface of box baseplate
On, be fixedly connected on the centre position of box baseplate, connect with the reinforcing rib in bottom board unit by welding manner, fixing muscle with
Reinforcing rib in all bottom board units is orthogonality relation, is spliced due to box baseplate by several piece Al squeezing material bottom board unit and formed,
If bottom board unit quantity is excessive, inevitably there is the problem of box baseplate stress is weak, the present embodiment, can by setting fixing muscle
The entirety for strengthening box baseplate bears dynamics, meanwhile, it is connected between fixing muscle and two lateral curb girders also by welding manner
Together.
Embodiment two：As shown in Fig. 2, the present embodiment is with embodiment one, the difference lies in the bottom plate lists of the present embodiment
The reinforcing rib of member is equipped with bolt hole in vertical direction, and for bolt hole for fixing battery, bolt wears bolt hole, and battery is fixed
In battery pack babinet, the stability in use and reliability standard of battery pack babinet are further improved, it should be noted that this
Place is not defined the quantity of bolt hole with position, can be specifically configured according to actual demand.
It is worth noting that, the bolt hole is not through bottom board unit, specifically, reinforcing rib is to squeeze shape by bottom board unit
Into the setting of, vertical direction bolt hole and not through bottom board unit, this have the advantage that improve the whole of battery pack babinet
Body structural strength and so that monnolithic case beauty.
Embodiment three：The difference lies in order to improve the crushing resistance of battery pack babinet with embodiment two for the present embodiment
And light weight degree, the bottom board unit of the present embodiment and the section of curb girder are polygon latticed trellis, as shown in figure 5, bottom plate
The section of unit be degree of lip-rounding section, Fig. 6 be curb girder a kind of sectional view, Fig. 7 be curb girder another sectional view, the section of curb girder
It is the degree of lip-rounding or other irregular polygon sections, certainly, the section of bottom board unit and curb girder can also be other polygon latticeds
Trellis section.
Scheme as a further preference, by friction welding one between the box baseplate and box frame of the present embodiment
It rises, between bottom board unit by friction welding together, effectively improves box baseplate and box frame, bottom board unit and bottom plate list
Connective stability between member；Box frame is provided with hierarchic structure, box frame in the outer surface weld with box baseplate
Inner surface weld with box baseplate is provided with oblique angle structure, using larger pressure, rank can be generated during friction welding technological
Terraced structure and oblique angle structure accept pressure, and box frame and box baseplate is avoided to generate plastic deformation.
Specifically, hierarchic structure is in a welding process, primary weldering is completed in the outer surface of hierarchic structure and box baseplate
It connects, the design of hierarchic structure can effectively avoid box frame and box baseplate from generating plastic deformation, and oblique angle structure is secondary weldering
In termination process, the solder for being designed as secondary welding of oblique angle structure reserves certain locational space so that box frame and bottom plate
The inner surface of unit can be even closer fit together, while oblique angle structure can accept certain pressure, avoid babinet
Frame and box baseplate generate plastic deformation.The present embodiment improves the whole steady of battery pack babinet by the way of secondary welding
Solidity and structural strength.
The embodiment of the utility model is explained in detail above in conjunction with attached drawing, but the utility model is not limited to
The above embodiment within the knowledge of a person skilled in the art, can also not depart from the utility model
Various changes can be made under the premise of objective.
Claims (7)
1. a kind of battery pack babinet, including box baseplate（1）With with box baseplate（1）The box frame of connection（2）, feature exists
In：The box baseplate（1）On inner surface be equipped with fixing muscle（3）, the box baseplate（1）By several piece bottom board unit
（11）Splicing composition, the bottom board unit（11）It is equipped with by squeezing the reinforcing rib formed（12）, the bottom board unit（11）
With reinforcing rib（12）It is integrated；The box baseplate（1）With box frame（2）Between by friction welding together；
The bottom board unit（11）Between by friction welding together；The box frame（2）With box baseplate（1）Outer surface
Weld is provided with hierarchic structure（23）；The box frame（2）With box baseplate（1）Inner surface weld be provided with tiltedly
Corner structure（24）.
2. battery pack babinet according to claim 1, it is characterised in that：The bottom board unit（11）For Al squeezing material bottom plate
Unit.
3. battery pack babinet according to claim 2, it is characterised in that：The box frame（2）Spliced by a plurality of curb girder
Composition, the curb girder are Al squeezing material curb girder.
4. battery pack babinet according to claim 1, it is characterised in that：The reinforcing rib（12）It is equipped in vertical direction
Bolt hole（121）；The bolt hole（121）Not through bottom board unit（11）.
5. battery pack babinet according to claim 3, it is characterised in that：The bottom board unit（11）It is equal with the section of curb girder
For polygon latticed trellis.
6. battery pack babinet according to claim 3, it is characterised in that：The a plurality of curb girder includes two lateral curb girders
（21）With two longitudinal curb girders（22）, the transverse direction curb girder（21）It is equipped with lifting lug（211）, the longitudinal direction curb girder（22）It is equipped with
Mounting hole（221）.
7. battery pack babinet according to claim 6, it is characterised in that：The fixing muscle（3）With reinforcing rib（12）, two
Lateral curb girder（21）It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721665263.XU CN207558879U (en) | 2017-12-05 | 2017-12-05 | A kind of battery pack babinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721665263.XU CN207558879U (en) | 2017-12-05 | 2017-12-05 | A kind of battery pack babinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207558879U true CN207558879U (en) | 2018-06-29 |
Family
ID=62664733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721665263.XU Active CN207558879U (en) | 2017-12-05 | 2017-12-05 | A kind of battery pack babinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207558879U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119552A (en) * | 2018-08-26 | 2019-01-01 | 杭州捷能科技有限公司 | A kind of lightweight high-efficiency battery packet |
| CN109638195A (en) * | 2018-12-25 | 2019-04-16 | 东风时代(武汉)电池系统有限公司 | Shell with Integral bending bridging type frame |
| CN109817856A (en) * | 2019-01-17 | 2019-05-28 | 惠州市亿能电子有限公司 | A kind of body structure |
| CN110641045A (en) * | 2019-09-17 | 2020-01-03 | 恒大新能源汽车科技(广东)有限公司 | Die for manufacturing battery pack box body |
| CN112582743A (en) * | 2019-09-27 | 2021-03-30 | 比亚迪股份有限公司 | Tray, battery pack and vehicle |
| CN112701408A (en) * | 2020-12-25 | 2021-04-23 | 孚能科技(赣州)股份有限公司 | Bottom plate structure of box body chassis, battery pack and automobile |
-
2017
- 2017-12-05 CN CN201721665263.XU patent/CN207558879U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119552A (en) * | 2018-08-26 | 2019-01-01 | 杭州捷能科技有限公司 | A kind of lightweight high-efficiency battery packet |
| CN109638195A (en) * | 2018-12-25 | 2019-04-16 | 东风时代(武汉)电池系统有限公司 | Shell with Integral bending bridging type frame |
| CN109817856A (en) * | 2019-01-17 | 2019-05-28 | 惠州市亿能电子有限公司 | A kind of body structure |
| CN110641045A (en) * | 2019-09-17 | 2020-01-03 | 恒大新能源汽车科技(广东)有限公司 | Die for manufacturing battery pack box body |
| CN112582743A (en) * | 2019-09-27 | 2021-03-30 | 比亚迪股份有限公司 | Tray, battery pack and vehicle |
| CN112582743B (en) * | 2019-09-27 | 2022-08-09 | 比亚迪股份有限公司 | Tray, battery pack and vehicle |
| CN112701408A (en) * | 2020-12-25 | 2021-04-23 | 孚能科技(赣州)股份有限公司 | Bottom plate structure of box body chassis, battery pack and automobile |
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