CN207368054U - A kind of battery case for electric car - Google Patents

A kind of battery case for electric car Download PDF

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Publication number
CN207368054U
CN207368054U CN201721431379.7U CN201721431379U CN207368054U CN 207368054 U CN207368054 U CN 207368054U CN 201721431379 U CN201721431379 U CN 201721431379U CN 207368054 U CN207368054 U CN 207368054U
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CN
China
Prior art keywords
box
battery case
ribs
support
battery
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Active
Application number
CN201721431379.7U
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Chinese (zh)
Inventor
沈晓彦
李云扬
茅海忠
杜亚辉
葛瑞
王兴威
胡丹丹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Longli Electronic Technology Co., Ltd.
Original Assignee
JIANGSU HIGHSTAR BATTERY MANUFACTURING Co Ltd
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Priority to CN201721431379.7U priority Critical patent/CN207368054U/en
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Abstract

It the utility model is related to electric automobiles, disclose a kind of battery case for electric car, the battery case includes lower box (1) and the upper box (2) for closing the lower box (1), it is characterized in that, the lower box (1) includes being arranged on the internal stent for being used to fix battery pack of the lower box (1), the inner wall of the bottom surface of the lower box (1) is provided with the first ribs (3), and the inner wall of two sides of the lower box (1) is respectively arranged with the second ribs (4).The battery case has the advantages that integrated high, the stiffness height of internal structure, lightweight, disclosure satisfy that the growth requirement of current new-energy automobile industry.

Description

A kind of battery case for electric car
Technical field
Electric automobiles are the utility model is related to, more particularly to the battery case for electric car.
Background technology
As China payes attention to the continuous of environmental problem, economic sustained and rapid development, gradual transition and upgrade and urbanization Process accelerates to promote, and the energy-saving automobile to grow up of taking advantage of a situation becomes the up-and-coming youngster of orthodox car industry with new-energy automobile. What State Council printed and distributed《Energy saving and new-energy automobile industrial development planning (2012-2020)》It is middle to propose following main target:Arrive The year two thousand twenty, pure electric automobile and plug-in hybrid-power automobile production capacity add up volume of production and marketing more than 5,000,000 up to 2,000,000 amounts; Power battery module than energy reach 300 watt-hours/kilogram more than, cost is down to below 1.5 yuan/watt-hour.《The war of " 13 " country Slightly property new industry development plan》General Promotion electric automobile whole quality and performance are wanted in middle proposition, accelerate to promote electric automobile System integration technology is innovated and application, study emphasis vehicle security, reliability consideration and structure lightened design, lifting are crucial Parts technical merit, ability to provide the auxiliary items and vehicle performance.In order to reach the technical indicator of government planning, fully meet market for The needs of electric automobile, the battery case as electric car core component must have obvious progress in terms of energy density.Lifting It is to improve effective way of the battery case than energy that battery box system, which integrates efficiency and overall application Lightweight Technology,.
Therefore, it is necessary to a kind of battery case that can be suitable for high power electric vehicle and use, it is desirable to which battery case inner structure integrates Optimization, overall stiffness height and overall application Lightweight Technology, to meet the growth requirement of current new-energy automobile industry.
Utility model content
The purpose of this utility model is to overcome the battery case internal structure collection effect of electric car existing in the prior art The problem of rate is not high, there is provided a kind of battery case for electric car, the battery case have the integrated high, stiffness of internal structure The advantages that height, lightweight, it disclosure satisfy that the growth requirement of current new-energy automobile industry.
To achieve these goals, the embodiment of the utility model provides a kind of battery case for electric car, institute Stating battery case includes lower box and the upper box for closing the lower box, and the lower box includes being arranged on the lower box The internal stent for being used to fix battery pack, the inner wall of the bottom surface of the lower box are provided with the first ribs, the lower box The inner walls of two sides be respectively arranged with the second ribs.
Preferably, the stent includes being respectively arranged at the first support of front-end and back-end inside the lower box and the Two stents, the first support and the second support are hollow and thin-walled structure, in the first support and the second support It is provided with multiple mounting holes for being used to fix battery.
Preferably, the lower box further includes multiple press strips, and the both ends of the multiple press strip are separately positioned on lower box On second ribs of two sides.
Preferably, at least one of first ribs, second ribs, described press strip are provided with multiple engrave Emptying aperture.
Preferably, it is provided with wire harness fixture on the press strip.
Preferably, the lower box further includes the component installing plate of the front end for the bottom surface for being arranged at the lower box.
Preferably, the edge of the edge of the upper box and the lower box forms the sealing to cooperate.
Preferably, the sealing has three pairs of opposite faces, is set between each pair opposite face in three pairs of opposite faces Foam band, and at least a pair of of opposite face in three pairs of opposite faces is bolted.
Preferably, the top surface of the upper box is provided with groined type indent, and the side of the lower box is provided with bar shaped pressure Groove.
Preferably, the outer wall of the side of the lower box is provided with multiple established angles, and the established angle, which has, to be used to position Right angle flange.
Through the above technical solutions, the battery case provided by the utility model for electric car is integrated with internal structure The advantages that high, stiffness height, lightweight, it disclosure satisfy that the growth requirement of current new-energy automobile industry.
Brief description of the drawings
Fig. 1 is a kind of stereogram of the battery case for electric car of embodiment according to the present utility model;
Fig. 2 is that a kind of structure of the lower box of the battery case for electric car of embodiment according to the present utility model is shown It is intended to;
Fig. 3 is that a kind of structure of the sealing of the battery case for electric car of embodiment according to the present utility model is shown It is intended to.
Description of reference numerals
1 lower box, 2 upper box
3 first ribs, 4 second ribs
5 first support, 6 second support
7 press strip, 8 wire harness fixture
9 component installing plate, 10 sealing
11 foaming 12 established angles of band
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be appreciated that herein Described embodiment is only used for describing and explaining the present invention, and is not intended to limit the present invention.
Fig. 1 shows a kind of stereogram of the battery case for electric car of embodiment according to the present utility model.Such as Shown in Fig. 1, a kind of embodiment of the utility model provides a kind of battery case for electric car, which includes nowel Body 1 and the upper box 2 for closing lower box 1.Upper box 2 can use 2mm thickness aluminium-magnesium alloy sheets, and lower box 1 can be adopted With 1.2mm thickness SPCC cold-reduced sheets.Upper box 2, lower box 1 can use the moulding process of one bending floating screed, have battery case There are higher intensity, while lighter in weight.
Fig. 2 shows a kind of knot of the lower box of the battery case for electric car of embodiment according to the present utility model Structure schematic diagram.As shown in Fig. 2, lower box 1 can include being arranged on the stent for being used to fix battery pack inside lower box 1, under The inner wall of the bottom surface of babinet 1 is provided with the first ribs 3, and the inner wall of two sides of lower box 1 is respectively arranged with the second reinforcement Rib 4.First ribs 3 and the second ribs 4 can effectively strengthen the structural strength of battery case.
As shown in Fig. 2, stent can include 5 He of first support for being respectively arranged at the front-end and back-end inside lower box 1 Multiple mounting holes for being used to fix battery are provided with second support 6, first support 5 and second support 6.It is each in battery pack Battery is fixed by first support 5 and second support 6, and is set along the length direction of battery case.First support 5 and second support 6 Can be hollow and thin-walled structure, further to mitigate the weight of battery case.
Further, as shown in Fig. 2, lower box 1 can also include multiple press strips 7, each press strip 7 in the plurality of press strip 7 Both ends two sides being separately positioned on lower box 1 the second ribs 4 on.The plurality of press strip 7 is along the width side of battery case To setting, and positioned at the top of battery pack, for fixing battery pack in the direction of the width, battery pack is set more to be securely disposed at The inside of battery case.
At least one can be provided with multiple hollow holes for first ribs 3, the second ribs 4, press strip 7, further Mitigate the dead weight of battery case.Preferably, the first ribs 3, the second ribs 4, press strip 7 can set multiple hollow holes.
Wire harness fixture 8 is provided with press strip 7, which can make the harness inside battery case easy to comb, Move towards it is more readily apparent, wiring it is safer.
Lower box 1 can also include the component installing plate 9 for being arranged at the front end of the bottom surface of lower box 1, component peace Loading board 9 is used to install the component needed, further increases integrated inside battery case.
First ribs 3, the second ribs 4, stent, press strip 7 and component installing plate 9 are cold using 1.5mm thickness SPCC Plate is rolled, and using the moulding process of bent jointing, makes the internal structure of battery case there is higher intensity, while alleviate battery The dead weight of case.
As shown in Figure 1, the edge of upper box 2 and the edge of lower box 1 form the sealing 10 to cooperate.The sealing 10 make battery case reach the sealing grade of technical requirements, are conducive to the safe to use of battery case.
Fig. 3 shows a kind of knot of the sealing of the battery case for electric car of embodiment according to the present utility model Structure schematic diagram.Sealing 10 can have a variety of suitable structure types, in a kind of embodiment of the utility model, such as scheme Shown in 3, through repeatedly turning down and cooperatively forming sealing 10, sealing 10 can have for the edge of upper box 2 and the edge of lower box 1 There are three pairs of opposite faces.Seal approach is both provided between each pair opposite face in three pairs of opposite faces, there is battery case good Leakproofness.Seal approach can be gasket, foaming band or sealing marine glue, it is preferable that can be with as shown in figure 3, close Envelope measure can be foaming band 11.Meanwhile at least a pair of of opposite face in three pairs of opposite faces is bolted, and makes Babinet 2 and lower box 1 closely connect, and overall structure is more firm.
As shown in Figure 1, the top surface of upper box 2 is provided with groined type indent, the side of lower box 1 is provided with bar shaped indent, To improve the resistance of plate, the structural strength of battery case is further increased.
The outer wall of the side of lower box 1 is provided with multiple established angles 12, which there is right angle used for positioning to turn over Side.The established angle 12 can use the integrally bending shaping of 2mm thickness SPCC cold-reduced sheets, strengthen the intensity with vehicle assembling.
The preferred embodiment of the utility model, still, the utility model and unlimited are described in detail above in association with attached drawing In this.In the range of the technology design of the utility model, a variety of simple variants can be carried out to the technical solution of the utility model, It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model Various combinations of possible ways are no longer separately illustrated.But these simple variants and combination should equally be considered as the utility model institute Disclosure, belongs to the scope of protection of the utility model.

Claims (10)

1. a kind of battery case for electric car, the battery case includes lower box (1) and for closing the lower box (1) Upper box (2), it is characterised in that the lower box (1) include being arranged on the lower box (1) it is internal be used for fix battery pack Stent, the inner wall of the bottom surface of the lower box (1) is provided with the first ribs (3), two sides of the lower box (1) Inner wall is respectively arranged with the second ribs (4).
2. battery case according to claim 1, it is characterised in that the stent includes being respectively arranged at the lower box (1) first support (5) and second support (6) of internal front-end and back-end, the first support (5) and the second support (6) it is hollow and thin-walled structure, is provided with the first support (5) and the second support (6) multiple for fixing battery Mounting hole.
3. battery case according to claim 2, it is characterised in that the lower box (1) further includes multiple press strips (7), institute On the second ribs (4) for two sides that the both ends for stating multiple press strips (7) are separately positioned on lower box (1).
4. battery case according to claim 3, it is characterised in that first ribs (3), second ribs (4), at least one of described press strip (7) is provided with multiple hollow holes.
5. battery case according to claim 3, it is characterised in that be provided with wire harness fixture (8) on the press strip (7).
6. battery case according to claim 1, it is characterised in that the lower box (1), which further includes, is arranged at the nowel The component installing plate (9) of the front end of the bottom surface of body (1).
7. battery case as claimed in any of claims 1 to 6, it is characterised in that the edge of the upper box (2) and The edge of the lower box (1) forms the sealing (10) to cooperate.
8. battery case according to claim 7, it is characterised in that the sealing (10) has three pairs of opposite faces, described Foaming band (11) is set between each pair opposite face in three pairs of opposite faces, it is at least a pair of opposite in three pairs of opposite faces Face is bolted.
9. battery case according to claim 8, it is characterised in that the top surface of the upper box (2) is provided with groined type pressure Groove, the side of the lower box (1) are provided with bar shaped indent.
10. battery case according to claim 9, it is characterised in that the outer wall of the side of the lower box (1) is provided with more A established angle (12), the established angle (12) have right angle flange used for positioning.
CN201721431379.7U 2017-11-01 2017-11-01 A kind of battery case for electric car Active CN207368054U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721431379.7U CN207368054U (en) 2017-11-01 2017-11-01 A kind of battery case for electric car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721431379.7U CN207368054U (en) 2017-11-01 2017-11-01 A kind of battery case for electric car

Publications (1)

Publication Number Publication Date
CN207368054U true CN207368054U (en) 2018-05-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108767157A (en) * 2018-05-31 2018-11-06 浙江智造热成型科技有限公司 A kind of high intensity battery case

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108767157A (en) * 2018-05-31 2018-11-06 浙江智造热成型科技有限公司 A kind of high intensity battery case

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20191219

Address after: 226200, No. 800, Hua Zhong Road, Qidong City, Jiangsu, Nantong

Patentee after: Nantong Longli Electronic Technology Co., Ltd.

Address before: 226299 peace South Road, Huilong Town, Nantong, Jiangsu Province, No. 306

Patentee before: Jiangsu Highstar Battery Manufacturing Co., Ltd.

TR01 Transfer of patent right