CN209000992U - A kind of battery case - Google Patents
A kind of battery case Download PDFInfo
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- CN209000992U CN209000992U CN201822029327.8U CN201822029327U CN209000992U CN 209000992 U CN209000992 U CN 209000992U CN 201822029327 U CN201822029327 U CN 201822029327U CN 209000992 U CN209000992 U CN 209000992U
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- plate
- bottom edge
- battery case
- reinforcing
- reinforcement
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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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- Battery Mounting, Suspending (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
A kind of battery case provided by the utility model includes at least cabinet, and the cabinet includes bottom plate and side plate, and the side plate is disposed around the space for being formed on the bottom plate and accommodating battery；At least one bottom edge on the cabinet is to reinforce bottom edge, reinforcement structure is equipped at the reinforcement bottom edge, the reinforcement structure includes the interior reinforcing rib that box house is arranged in and the external reinforcing plate for car that portion outside the enclosure is arranged, the interior reinforcing rib and external reinforcing plate for car are separately positioned on bottom plate and extend along the length direction for reinforcing bottom edge, and the external reinforcing plate for car is at least partly overlapped with the interior reinforcing rib in vertical direction.Battery case provided by the utility model guarantees the strength and stiffness of battery case while meeting light-weight design, and highly-safe, structure is simple, has great production practices meaning.
Description
Technical field
The utility model relates to battery applications technical field more particularly to a kind of battery cases.
Background technique
Electrokinetic cell system is the key components and parts of electric car, its safety, reliability and durability decides electricity
The performance of electrical automobile.The electrokinetic cell system of pure electric automobile is usually placed under underbody, in electric car operational process
In, electrokinetic cell system is because close to invasion of the road surface by various external environments.Battery case is as electrokinetic cell system outermost layer
Protective shell, while providing stable support force for cell power systems bear automobile high-speed motion state under vibration, sand
Leaching is poured in the shocks of the foreign matters such as stone and excess surface water.It therefore, is the safety for guaranteeing electrokinetic cell system, to the rigid of battery case
More stringent requirements are proposed for degree, intensity and leakproofness.
In the prior art, it is the intensity for improving battery case, often makes battery box structure more complicated, greatly increase battery case
The weight of itself influences the cruising ability of electric car.Therefore, it is necessary to design, a kind of structure is simple to effectively improve battery case again
The battery box structure of intensity.
Utility model content
The utility model provides a kind of battery case, has the advantages of simple structure and easy realization, and has good strength and stiffness, safety
Property it is high, have great production practices meaning.
To achieve the above object, the technical solution of the utility model is as follows:
A kind of battery case includes at least cabinet, and the cabinet includes bottom plate and side plate, and the side plate is disposed around the bottom plate
It is upper to form the space for accommodating battery；At least one bottom edge on the cabinet is to reinforce bottom edge, is equipped with and adds at the reinforcement bottom edge
Strong structure, the reinforcement structure include the interior reinforcing rib that box house is arranged in and the external reinforcing plate for car that portion outside the enclosure is arranged, institute
It states interior reinforcing rib and external reinforcing plate for car is separately positioned on bottom plate and extends along the length direction for reinforcing bottom edge, it is described additional
Strong plate is at least partly overlapped with the interior reinforcing rib in vertical direction.Bottom edge refers to what bottom plate and each side plate were interconnected to form
Connection structure.When supporting battery, stress most easily ruptures battery case at bottom edge, and interior reinforcing rib can effectively improve bottom edge
The load-bearing capacity at place, external reinforcing plate for car can enhance the rigidity on bottom edge, and the two is in conjunction with the integral strength for effectively improving battery case and just
Degree.
Optionally, both ends are corresponding with interior reinforcing rib width direction both ends in the external reinforcing plate for car width direction.
Optionally, the longer bottom edge of a pair being oppositely arranged on the cabinet is to reinforce bottom edge, wherein a longer bottom edge
Reinforce bottom edge for first, another longer bottom edge is the second reinforcement bottom edge, and described first, which reinforces bottom edge and second, reinforces at bottom edge
It is equipped with reinforcement structure.Reinforcement structure is arranged at longer bottom edge, longer bottom edge is effectively overcome to cause load because span is larger
Limited problem.
Optionally, it is the first reinforcement structure that the reinforcement structure that described first reinforces at bottom edge, which is arranged in, and described first reinforces
Structure includes reinforcing rib and the first external reinforcing plate for car in first；The reinforcement structure at second reinforcement bottom edge is arranged in add for second
Strong structure, second reinforcement structure include reinforcing rib and the second external reinforcing plate for car in second, reinforcing rib and second in described first
At least one waling is equipped between interior reinforcing rib, the waling is fixed on the bottom plate.It is longitudinal to add
Strengthening tendons effectively reinforce the intensity of bottom plate in conjunction with interior reinforcing rib, further increase the security performance of battery case.
Optionally, the waling includes the hollow reinforcing rib of strip, and the edge of the waling is equipped with equal
The notch of even distribution.The weight for mitigating battery case while guaranteeing battery case intensity is arranged in notch.
Optionally, the interior reinforcing rib include level board and with level board vertical panel connected vertically, it is described vertical
Plate is fixed on the bottom plate, and the level board is fixed on side plate corresponding with the reinforcement bottom edge.Level board and vertical panel
In conjunction with formation " L " type in reinforcing rib effectively reinforce the bonding strength at bottom edge.
Optionally, the interior reinforcing rib further includes horizontal bending part and vertical bending part, and the vertical panel passes through horizontal folding
Comer pieces is fixed on the bottom plate, and the level board is fixed on side plate corresponding with the reinforcement bottom edge by vertical bending part
On.On the one hand, horizontal bending part increases the fixing intensity of vertical panel and bottom plate, on the other hand, horizontal bending part, bottom plate and outer
Stiffening plate forms three layers of fixed structure, greatly improves and reinforces bottom edge intensity in the horizontal direction；Vertical bending part increases vertical panel
Fixing intensity between bottom plate.
Optionally, the long side edge of the horizontal bending part and the vertical bending part is equipped with equally distributed notch,
The setting of notch can mitigate weight to a certain extent.
Optionally, the reinforcement structure further includes external reinforcing ribs, external reinforcing ribs setting with reinforcement bottom edge phase
On the outside of corresponding side plate.The intensity for reinforcing side plate at bottom edge is improved using external reinforcing ribs.
Optionally, the external reinforcing ribs include cross reinforcing and connect with the cross reinforcing it is multiple it is vertical plus
Strengthening tendons.Cross reinforcing and vertical reinforcing rib arranged crosswise improve the integral strength of external reinforcing ribs, and then improve the strong of battery case
Degree.
Optionally, the cross reinforcing include transverse plate and with transverse plate vertical plate connected vertically, it is described perpendicular
It is fixedly connected to plate with the side plate, the transverse plate extends towards far from side plate direction.Vertical plate, side plate and interior reinforcing rib three
Three layers of fixed structure are formed, greatly improves and reinforces the intensity of bottom edge in vertical direction.
Optionally, the transverse plate is connect with the external reinforcing plate for car, strengthens cross reinforcing in the intensity of vertical direction.
Optionally, it is uniformly distributed lightening hole in the vertical plate, mitigates cross reinforcing while not influencing intensity
Weight.
Optionally, lifting lug, the lifting lug and the external reinforcing ribs are additionally provided on side plate corresponding with the reinforcement bottom edge
It is fixedly connected.On the one hand the lifting and transport of battery case is convenient on the other hand to improve the strong of lifting lug using external reinforcing ribs
Degree.
Optionally, battery case further includes the case lid with the cabinet secure fit.
Optionally, sealing ring is equipped between the case lid and cabinet.
Optionally, the case lid edge is equipped with the first flange, and the top of the box edge is equipped with and first flange pair
The second flange answered, the sealing ring are fixed between the first flange and the second flange.Turnup structure in conjunction with sealing ring,
The leakproofness of battery case is effectively ensured, improves the safety of battery case.
Optionally, the case lid is equipped with a plurality of circular reinforcing rib, improves the integral strength of case lid.
The utility model provides a kind of battery case.Compared with prior art, reinforcing rib and outer in being arranged at battery bottom edge
Stiffening plate, interior reinforcing rib can be improved the load-bearing capacity at bottom edge, and external reinforcing plate for car can enhance the rigidity on bottom edge, and the two is combined with
Effect improves the integral strength and rigidity of battery case；Waling is set in box baseplate, reinforces the intensity of bottom plate；In side plate
Upper setting external reinforcing ribs, further increase the integral strength of battery case.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram of battery case in the utility model embodiment one；
Fig. 2 is the structural schematic diagram of cabinet in the utility model embodiment one；
Fig. 3 is the cross-sectional view of cabinet in the utility model embodiment one；
Fig. 4 is the structural schematic diagram in the portion A in Fig. 3；
Fig. 5 be first in the utility model embodiment one in reinforcing rib structural schematic diagram；
Fig. 6 is the connection relationship diagram of cross reinforcing and the first external reinforcing plate for car in the utility model embodiment one.
Shown in Fig. 1-6: 100- cabinet, 110- bottom plate, 111- waling, 120- side plate, 121- explosion-proof valve, 122-
Connector hole location, 123- tieing wire knot, the second flange of 124-, 200- case lid, the first flange of 210-, 220- annular shape reinforcing rib,
Reinforcing rib, 311- level board, 312- vertical panel, the vertical bending part of 313-, 314- water in the first reinforcement structure of 300-, 310- first
Flat-folded comer pieces, the first external reinforcing plate for car of 320-, the first external reinforcing ribs of 330-, 331- cross reinforcing, 3311- transverse plate, 3312- are perpendicular
To plate, the trapezoidal reinforcing rib of 3313-, the vertical reinforcing rib of 332-, 400- lifting lug, 500- fixed hole position, 600- sealing ring, 700- second
Reinforcing rib, the second external reinforcing plate for car of 720-, the second external reinforcing ribs of 730- in reinforcement structure, 710- second.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.It should be noted that the utility model attached drawing is all made of simplified form
And non-accurate ratio is used, only to convenient, lucidly aid illustration the utility model embodiment purpose.
Embodiment one
A kind of battery case is provided in the present embodiment, as shown in Figure 1, including the cabinet 100 and and cabinet of rectangular shape
The case lid 200 of 100 top secure fits, wherein 200 edge of case lid be equipped with the first flange 210,100 top edge of cabinet be equipped with
Corresponding second flange 124 of first flange 210 is equipped with sealing ring 600, sealing ring between first flange 210 and the second flange 124
600 material without limitation, uses foamed silica gel sealing ring 600 in the present embodiment.During installation, fixing bolt is passed through
It is fixed on the second flange 124 and locks after first flange 210, sealing ring 600, guarantee close between cabinet 100 and case lid 200
Feng Xing.Case lid 200 is equipped with five raised type annular shape reinforcing ribs 220 in the present embodiment.
As illustrated in fig. 1 and 2, cabinet 100 includes rectangle bottom plate 110 and four blocks of side plates 120, and four blocks of side plates 120 are disposed around
Four bottom edges are formed on the bottom plate 110.The longer bottom edge that two of them are oppositely arranged is set as reinforcing bottom edge, wherein a reinforcement
Bottom edge is defined as the first reinforcement bottom edge, and another is defined as the second reinforcement bottom edge, and first, which reinforces bottom edge and second, reinforces at bottom edge
Be respectively equipped with the first reinforcement structure 300 and the second reinforcement structure 700, the first reinforcement structure 300 include reinforcing rib 310 in first,
First external reinforcing plate for car 320 and the first external reinforcing ribs 330.Second reinforcement structure 700 includes in second outside reinforcing rib 710, second
Stiffening plate 720 and the second external reinforcing ribs 730.Since the first reinforcement structure 300 and the second reinforcement structure 700 are only in setting position
The internal structure relationship of upper difference, the two is completely the same, and the first reinforcement structure 300 is described in detail in the present embodiment, and second
Reinforcement structure 700 can be obtained by the first reinforcement structure 300 is corresponding.Specifically, as in Figure 2-4, reinforcing rib 310 is arranged in first
The length direction for reinforcing bottom edge on the inside of bottom plate 110 and along described first extends, and first external reinforcing plate for car 320 is arranged described
The length direction for reinforcing bottom edge on the outside of bottom plate 110 and along described first extends, 310 width direction both ends of reinforcing rib in described first
Corresponding with the 320 width direction both ends of the first external reinforcing plate for car, the setting of the first external reinforcing ribs 330 is reinforcing bottom edge with first
Corresponding 120 outside of side plate.As shown in fig. 6,320 plate body of the first external reinforcing plate for car is uniformly distributed lightening hole, edge is equipped with notch.
Further, as shown in Figures 4 and 5, reinforcing rib 310 includes level board 311, hangs down with the level board 311 in first
The direct-connected vertical panel 312 connect, horizontal bending part 314 and vertical bending part 313.Specifically, an end on the vertical panel 312
Portion is connecting pin, and the other end is fixing end, and similarly, an end on level board 311 is connecting pin, and the other end is solid
The connecting pin of fixed end, vertical panel 312 is fixedly connected with the connecting pin of level board 311, the fixing end of vertical panel 312 and horizontal bending
Part 314 is fixedly connected, and horizontal bending part 314 and bottom plate 110 paste merga pass and be welded and fixed, and the fixing end of level board 311 and is hung down
It is fixedly connected to bending part 313, vertical bending part 313 pastes merga pass with side plate 120 and is welded and fixed.The horizontal bending part
314 are equipped with equally distributed notch with the long side edge of the vertical bending part 313, and the setting of notch can be to a certain extent
Mitigate weight.In the present embodiment, level board 311,313 4 one of vertical panel 312, horizontal bending part 314 and vertical bending part
Molding.Horizontal bending part 314, bottom plate 110 and 320 three of the first external reinforcing plate for car use butt-joint technology, form three layers of fixed knot
Structure.
As shown in Fig. 2, being equipped with four longitudinal directions being parallel to each other in first in reinforcing rib 310 and second between reinforcing rib 710
Reinforcing rib 111, waling 111 use the hollow reinforcing rib of strip, waling 111 be fixed on bottom plate 110 and
Perpendicular to reinforcement bottom edge.111 edge of waling is equipped with equally distributed notch.
As shown in Figure 1, the first external reinforcing ribs 330 include cross reinforcing 331 and are arranged in the cross reinforcing 331
Top and the three vertical reinforcing rib 332 being fixedly connected with cross reinforcing 331.Specifically, as shown in figs. 4 and 6, laterally reinforce
Muscle 331 include transverse plate 3311 and with the transverse plate 3311 vertical plate 3312 connected vertically, the vertical plate 3312 with it is right
The side plate 120 answered is fixedly connected, and the transverse plate 3311 extends towards the direction far from side plate 120, the vertical plate 3312, side plate
120 and vertical bending part 313 formed three layers of fixed structure.For emphasis referring to Fig. 6, transverse plate 3311 and external reinforcing plate for car 320 are fixed
It connects, is integrally formed both in the present embodiment.Lightening hole is uniformly distributed in vertical plate 3312.In conjunction with shown in Fig. 1 and 6, transverse plate
3311 are equipped with the fixed hole position 500 for assembling with external equipment, are additionally provided with ladder between transverse plate 3311 and vertical plate 3312
Shape reinforcing rib 3313.
As shown in figs. 1 and 3, the corresponding two blocks of side plates 120 in bottom edge are reinforced equipped with phase with second in the first reinforcement bottom edge
Mutually symmetrical lifting lug 400 is set there are two lifting lug 400 on every block of side plate 120, and lifting lug 400 is positioned close to the two of 120 both ends of side plate
The corresponding top of a vertical reinforcing rib 332 is simultaneously welded and fixed with vertical reinforcing rib 332.
As shown in figs. 1 and 3, connector hole is respectively equipped on the corresponding two blocks of side plates 120 in shorter bottom edge on the cabinet 100
Position 122 and explosion-proof valve 121.In normal state, explosion-proof valve 121 can guarantee that battery case external and internal pressure is consistent, and emergency occurs
When for improving battery case security performance to battery case directional pressure venting.As shown in Fig. 2, being additionally provided with tieing wire knot inside cabinet 100
123, it is pricked neatly for battery line to tie in.
Obviously, it is practical new without departing from this can to carry out various modification and variations to utility model by those skilled in the art
The spirit and scope of type.If in this way, these modifications and variations of the present invention belong to the utility model claims and its
Within the scope of equivalent technologies, then the utility model is also intended to including these modification and variations.
Claims (12)
1. a kind of battery case, which is characterized in that include at least cabinet, the cabinet includes bottom plate and side plate, and the side plate, which encloses, to be set
The space for accommodating battery is formed on the bottom plate；At least one bottom edge on the cabinet is to reinforce bottom edge, the reinforcement bottom
Be equipped with reinforcement structure at side, the reinforcement structure include be arranged in box house interior reinforcing rib and setting portion outside the enclosure it is outer
Stiffening plate, the interior reinforcing rib and external reinforcing plate for car are separately positioned on bottom plate and prolong along the length direction for reinforcing bottom edge
It stretches, the external reinforcing plate for car is at least partly overlapped with the interior reinforcing rib in vertical direction.
2. battery case as described in claim 1, which is characterized in that both ends and interior reinforcing rib in the external reinforcing plate for car width direction
Width direction both ends are corresponding.
3. battery case as claimed in claim 1 or 2, which is characterized in that the shape of the cabinet is cuboid, on the cabinet
The longer bottom edge of a pair being oppositely arranged is reinforcement bottom edge, wherein a longer bottom edge is the first reinforcement bottom edge, it is another longer
Bottom edge is the second reinforcement bottom edge, is equipped with reinforcement structure at the first reinforcement bottom edge and the second reinforcement bottom edge.
4. battery case as claimed in claim 3, which is characterized in that the reinforcement structure at first reinforcement bottom edge, which is arranged in, is
First reinforcement structure, first reinforcement structure include reinforcing rib and the first external reinforcing plate for car in first；Setting adds described second
Reinforcement structure at strong bottom edge is the second reinforcement structure, and second reinforcement structure includes reinforcing outside reinforcing rib and second in second
Plate, at least one waling is equipped in described first between reinforcing rib in reinforcing rib and second, the waling is solid
It is fixed to be arranged on the bottom plate.
5. battery case as claimed in claim 4, which is characterized in that the waling includes the hollow reinforcing rib of strip.
6. battery case as claimed in claim 1 or 2, which is characterized in that the interior reinforcing rib include level board and with the water
Plate vertical panel connected vertically, the vertical panel are fixed on the bottom plate, and the level board is fixed on and the reinforcement bottom
On the corresponding side plate in side.
7. battery case as claimed in claim 6, which is characterized in that the interior reinforcing rib further includes horizontal bending part and vertical folding
Comer pieces, the vertical panel are fixed on the bottom plate by horizontal bending part, and the level board is fixed on by vertical bending part
On side plate corresponding with the reinforcement bottom edge.
8. battery case as described in claim 1, which is characterized in that the reinforcement structure further includes external reinforcing ribs, described additional
Strengthening tendons are arranged on the outside of side plate corresponding with the reinforcement bottom edge.
9. battery case as claimed in claim 8, which is characterized in that the external reinforcing ribs include cross reinforcing and with it is described
Multiple vertical reinforcing ribs of cross reinforcing connection.
10. battery case as claimed in claim 9, which is characterized in that the cross reinforcing include transverse plate and with the cross
To plate vertical plate connected vertically, the vertical plate is fixedly connected with the side plate, and the transverse plate prolongs towards far from side plate direction
It stretches.
11. battery case as claimed in claim 10, which is characterized in that the transverse plate is connect with the external reinforcing plate for car.
12. battery case as described in claim 10 or 11, which is characterized in that be uniformly distributed lightening hole in the vertical plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822029327.8U CN209000992U (en) | 2018-12-05 | 2018-12-05 | A kind of battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822029327.8U CN209000992U (en) | 2018-12-05 | 2018-12-05 | A kind of battery case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209000992U true CN209000992U (en) | 2019-06-18 |
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ID=66808664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822029327.8U Active CN209000992U (en) | 2018-12-05 | 2018-12-05 | A kind of battery case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209000992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518166A (en) * | 2019-08-27 | 2019-11-29 | 大连理工大学 | A kind of advanced composite material (ACM) battery case body structure optimum design method |
-
2018
- 2018-12-05 CN CN201822029327.8U patent/CN209000992U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518166A (en) * | 2019-08-27 | 2019-11-29 | 大连理工大学 | A kind of advanced composite material (ACM) battery case body structure optimum design method |
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