CN206685442U - A kind of waterproof construction of power battery pack - Google Patents
A kind of waterproof construction of power battery pack Download PDFInfo
- Publication number
- CN206685442U CN206685442U CN201720231707.2U CN201720231707U CN206685442U CN 206685442 U CN206685442 U CN 206685442U CN 201720231707 U CN201720231707 U CN 201720231707U CN 206685442 U CN206685442 U CN 206685442U
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- Prior art keywords
- casing
- flanging
- horizontal
- battery pack
- power battery
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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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Abstract
The utility model discloses a kind of waterproof construction of power battery pack, including the casing for placing battery group, the casing is provided with the case lid for the opening for closing the casing, and the opening of the casing is provided with downward vertical flanging, and the end of the vertical flanging is additionally provided with horizontal flanging；The case lid is provided with horizontal flange；Sealing strip is also folded between the casing and the case lid, the sealing strip includes bending part and horizontal part, and the holding tank coordinated with the vertical flanging is additionally provided with the bending part.The waterproof construction of power battery pack in the utility model, multi-sealing structure is formed by multiple sealing surfaces, the external liquid of guard box, dust will not enter in casing, being dismounted for multiple times remains to keep preferable sealing effectiveness, waterproof and dustproof performance is good, and effectively the dynamic lithium battery group in casing can be protected.
Description
Technical field
It the utility model is related to the battery technology of New-energy electric vehicle, the waterproof knot of especially a kind of power battery pack
Structure.
Background technology
The key technology of electric vehicle mainly has four major classes, is full-vehicle control technology, electric control technology, vehicle car respectively
Between technology, battery technology.The quality of battery performance has influence on the quality of electric automobile, but most of battery pack is all hung
On the chassis of electric automobile, the distance apart from ground is usually 150mm to 250mm, and if there is sleety weather, vehicle exists
Paddled during traveling, the outside of battery case and the situation that water contacts just occurs.
The structure of current battery group casing is generally relatively thin sheet metal component and is welded by shear bending, casing and case lid
Between the mode of generally use sealing sealed, such a mode is bolted the sealing for dividing sealing part in extruding rear portion when two-layered steel plates
It can be extruded, cause poorly sealed, water resistance is poor；When carrying out battery group maintenance, it is necessary to clear up sealing, destroy original
Sealing structure, repaired battery gluing will also seal again later, and maintenance cost is high.
Utility model content
The utility model provides a kind of waterproof construction of power battery pack, prevents for solving existing automobile power cell group
The problem of water poor performance.
In order to solve the above problems, the utility model provides a kind of waterproof construction of power battery pack, including for placing
The casing of battery pack, the casing are provided with the case lid for the opening for closing the casing, and the opening of the casing is provided with downwards
Vertical flanging, the end of the vertical flanging are additionally provided with the outside horizontal flanging extended to the casing；Set on the case lid
There are the groove coordinated with the vertical flanging and the horizontal flange coordinated with the horizontal flanging；The casing and the case lid it
Between be also folded with sealing strip, the sealing strip include the bending part coordinated with the groove and with the horizontal flanging, the water
The horizontal part that flat flange coordinates, is additionally provided with the bending part and holding tank that the vertical flanging coordinates, the casing and institute
Case lid is stated to be bolted and step up the sealing strip between the casing and the case lid.
The waterproof construction of power battery pack provided by the utility model also has following technical characteristic：
Further, flexible gap between the side wall of the opening of the vertical flanging and the casing.
Further, the bending part of the sealing strip is interference fitted with the groove, the holding tank of the sealing strip and institute
State vertical flanging interference fit.
Further, the section of the sealing strip in "" shape.
Further, the vertical flanging is arranged in the side wall of the surrounding of the opening of the casing, the casing, institute
It is integral type structure that vertical flanging, which is stated, with the horizontal flanging.
Further, the casing is welded and fixed phase with the vertical flanging, the vertical flanging with the horizontal flanging
Even.
Further, it is provided with the horizontal part of the horizontal flanging, the horizontal flange and the sealing strip and uniformly divides
The through hole of cloth, bolt coordinates through through hole and nut is fixedly clamped the sealing strip the casing and the case lid.
Further, the nut riveting is fixed on the downside of the horizontal flanging.
The utility model has the advantages that：The waterproof construction of the power battery pack is set by the opening in casing
Vertical flanging and horizontal flanging are put, corresponding groove and horizontal flange are set on case lid, sealing strip has and groove, vertical folding
Side coordinate bending part and with horizontal flange, the horizontal part of horizontal flanging, be consequently formed with the multi-sealed of multiple sealing surfaces
Structure, the external liquid of guard box, dust will not enter casing, and being dismounted for multiple times is remained to keep preferable sealing effectiveness, waterproof, prevented
Dirt performance is good, and effectively the dynamic lithium battery group in casing can be protected.
Brief description of the drawings
Fig. 1 is the top view of the waterproof construction of the power battery pack of the utility model embodiment；
Fig. 2 is the sectional view in A-A directions in Fig. 1；
Fig. 3 is that B portions possess zoomed-in view in Fig. 2；
Fig. 4 is the explosive view of the waterproof construction of the power battery pack in Fig. 3.
Embodiment
Describe the utility model in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not rushing
In the case of prominent, the feature in embodiment and embodiment in the utility model can be mutually combined.
In one embodiment of the waterproof construction of power battery pack of the present utility model as shown in Figures 1 to 4, the power
The waterproof construction of battery pack includes the casing 10 for placing battery group, and casing 10 is provided with the case lid of the opening of closed box
20, the opening of casing 10 is provided with downward vertical flanging 12, and the end of vertical flanging 12, which is additionally provided with to the outside of casing 10, to be extended
Horizontal flanging 14；Case lid 20 is provided with the groove 22 coordinated with vertical flanging 12 and the horizontal flange coordinated with horizontal flanging 14
24；Also be folded with sealing strip 30 between casing 10 and case lid 20, sealing strip 30 include the bending part 31 coordinated with groove 22 and with
The horizontal part 33 that horizontal flanging 14, horizontal flange 24 coordinate, the holding tank coordinated with vertical flanging 12 is additionally provided with bending part 31
32, casing 10 and case lid 20 are fixed by bolt 40 and step up sealing strip 30 between casing 10 and case lid 20.The embodiment
In power battery pack waterproof construction, vertical flanging and horizontal flanging are set by the opening in casing, set on case lid
Put corresponding groove and horizontal flange, sealing strip have the bending part that coordinates with groove, vertical flanging and with horizontal flange, level
The horizontal part of flanging, is consequently formed the multi-sealing structure with multiple sealing surfaces, and the external liquid of guard box, dust will not enter
Enter casing, being dismounted for multiple times remains to keep preferable sealing effectiveness, and waterproof and dustproof performance is good, can be effectively to the power in casing
Lithium battery group is protected.
In the above-described embodiments, the waterproof construction of power battery pack also has following technical characteristic：Vertical flanging 12 and case
Flexible gap between the side wall of the opening of body 10 so that casing, case lid tighten bolt fastening when by groove 22
Step up the bending part and vertical flanging 12 of sealing strip, reduce the gap between vertical flanging 12 and the side wall of casing, sealing strip
Mutually compressed between casing, case lid, form reliable sealing structure.The bending part 31 of sealing strip 30 is matched somebody with somebody with the interference of groove 22
Close, the holding tank 32 of sealing strip 30 is interference fitted with vertical flanging 12, is thus formed and had after bolt is by casing and case lid fastening
There is the multi-sealing structure of multiple sealing surfaces.Specifically, the section of sealing strip 30 in "" shape, so that the sealing knot
Structure has multiple sealing surfaces, sealed reliable, and waterproof and dustproof effect is good.
In the above-described embodiments, vertical flanging 12 is arranged in the side wall of the surrounding of the opening of casing 10, casing 10, is erected
Straight flanging 12 and horizontal flanging 14 are integral type structure, and specifically, vertical flanging 12 and horizontal flanging 14 can be by forming casing
Metal plate sheet material passes through bending and molding.In this embodiment, casing is rolled over the vertical flanging, the vertical flanging with the level
Side can use Split type structure and connected by being welded and fixed, and thus be easy to process and can guarantee that waterproof and dustproof performance.
In the above-described embodiments, it is provided with the horizontal part 33 of horizontal flanging 14, horizontal flange 24 and sealing strip 30 uniformly
The through hole of distribution, bolt 40 coordinates through through hole and nut 42 is fixedly clamped sealing strip 30 casing 10 and case lid 20；
Specifically, nut 42 can rivet the downside for being fixed on horizontal flanging 14, thus prevent nut from losing and be easy to the peace of bolt
Dress is fixed.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (8)
1. a kind of waterproof construction of power battery pack, including the casing for placing battery group, the casing is provided with closing institute
State the case lid of the opening of casing, it is characterised in that the opening of the casing is provided with downward vertical flanging, the vertical flanging
End is additionally provided with the outside horizontal flanging extended to the casing；The case lid is provided with recessed with the vertical flanging cooperation
Groove and the horizontal flange coordinated with the horizontal flanging；Sealing strip is also folded between the casing and the case lid, it is described close
Strip of paper used for sealing includes the bending part coordinated with the groove and the horizontal part coordinated with the horizontal flanging, the horizontal flange, described
It is additionally provided with the holding tank coordinated with the vertical flanging on bending part, the casing is bolted with the case lid and by institute
Sealing strip is stated to step up between the casing and the case lid.
2. the waterproof construction of power battery pack according to claim 1, it is characterised in that the vertical flanging and the case
Flexible gap between the side wall of the opening of body.
3. the waterproof construction of power battery pack according to claim 1, it is characterised in that the bending part of the sealing strip with
The groove interference fit, the holding tank of the sealing strip are interference fitted with the vertical flanging.
4. the waterproof construction of power battery pack according to claim 1, it is characterised in that the section of the sealing strip in "" shape.
5. the waterproof construction of power battery pack according to claim 1, it is characterised in that the vertical flanging is arranged on institute
In the side wall for stating the surrounding of the opening of casing, the casing, the vertical flanging and the horizontal flanging are integral type structure.
6. the waterproof construction of power battery pack according to claim 5, it is characterised in that the casing and the vertical folding
Side, the vertical flanging are welded and fixed with the horizontal flanging and are connected.
7. the waterproof construction of power battery pack according to claim 1, it is characterised in that the horizontal flanging, the water
Equally distributed through hole is provided with the horizontal part of flat flange and the sealing strip, bolt coordinates by described in through through hole and nut
Sealing strip is fixedly clamped between the casing and the case lid.
8. the waterproof construction of power battery pack according to claim 7, it is characterised in that the nut riveting is fixed on institute
State the downside of horizontal flanging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720231707.2U CN206685442U (en) | 2017-03-10 | 2017-03-10 | A kind of waterproof construction of power battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720231707.2U CN206685442U (en) | 2017-03-10 | 2017-03-10 | A kind of waterproof construction of power battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206685442U true CN206685442U (en) | 2017-11-28 |
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ID=60393104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720231707.2U Active CN206685442U (en) | 2017-03-10 | 2017-03-10 | A kind of waterproof construction of power battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206685442U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066387A (en) * | 2018-05-29 | 2018-12-21 | 天津平高智能电气有限公司 | A kind of on-pole switch and its switch-box, cabinet, seal cover board |
| CN112103427A (en) * | 2020-09-08 | 2020-12-18 | 上海航天电源技术有限责任公司 | Immersed liquid-cooled battery seal box, battery module and power supply system |
-
2017
- 2017-03-10 CN CN201720231707.2U patent/CN206685442U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066387A (en) * | 2018-05-29 | 2018-12-21 | 天津平高智能电气有限公司 | A kind of on-pole switch and its switch-box, cabinet, seal cover board |
| CN112103427A (en) * | 2020-09-08 | 2020-12-18 | 上海航天电源技术有限责任公司 | Immersed liquid-cooled battery seal box, battery module and power supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190729 Granted publication date: 20171128 |
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| PP01 | Preservation of patent right |