CN207558835U - Battery pack housing and with its battery pack - Google Patents
Battery pack housing and with its battery pack Download PDFInfo
- Publication number
- CN207558835U CN207558835U CN201721630896.7U CN201721630896U CN207558835U CN 207558835 U CN207558835 U CN 207558835U CN 201721630896 U CN201721630896 U CN 201721630896U CN 207558835 U CN207558835 U CN 207558835U
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- CN
- China
- Prior art keywords
- flange
- battery pack
- sealing element
- shell
- pack housing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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 discloses a kind of battery pack housing and with its battery pack.The battery pack housing includes:First shell, second shell, the first shell include:The first side wall and first flange, the first flange extend outwardly from the edge of the first side wall, and the outer edge far from the first side wall of the first flange is provided with the flange extended towards the second shell, and the second shell includes:Second sidewall and second flange, the second flange extend outwardly from the edge of the second sidewall, and the outer edge of the first flange protrudes the outer edge of the second flange, and the flange coats the outer edge of the second flange at least partly.Battery pack housing according to the present utility model, the inner surface of water impact first flange and second flange can be avoided, so as to fulfill the first heavy safeguard function to stopping towards the high pressure spray jetting stream of battery pack housing by being arranged on the outer peripheral flange of first flange.
Description
Technical field
The utility model is related to battery technology field, in particular to a kind of battery pack housing and with its electricity
Chi Bao.
Background technology
Current electric vehicle is fast-developing, and for battery pack as key components and parts, security protection performance is most important.And prevent
Dirt waterproofing design is the key project of battery pack protection Design, and the sealing protection design of usual battery pack housing is generally using sealing
Material realizes sealing, and sealing material, such as gasket, fluid sealant are compressed between the Flange Plane of upper and lower casing.But due to
The influences such as Flange Plane flatness, plane stiffness, intensity can lead to seal failure, so as to have to battery pack housing
The sealing protection of effect, and common Flange Plane compacted form can not carry out effective protection to spraying water with high pressure, may be because of high pressure
Water impact and lead to seal failure risk.
Utility model content
In view of this, the utility model is directed to a kind of battery pack housing, to realize effective sealing protection.
In order to achieve the above objectives, the technical solution of the utility model is realized in:
A kind of battery pack housing, including:First shell, second shell, the first shell include:The first side wall and first
Flange, the first flange extend outwardly from the edge of the first side wall, the separate the first side wall of the first flange
Outer edge be provided with the flange extended towards the second shell, the second shell includes:Second sidewall and second flange,
The second flange extends outwardly from the edge of the second sidewall, and the outer edge of the first flange protrudes the second flange
Outer edge, and the flange coats the outer edge of the second flange at least partly.
Some embodiments according to the present utility model are set on the surface of the direction first flange of the second flange
There is lateral wall, the lateral wall is only against on the surface of the direction second flange of the first flange.
Further, it is provided in the lateral wall on the surface of the direction of the second flange first flange
The madial wall of side, the madial wall is located at the inside of the first side wall and the height of the madial wall is not less than first method
The surface of the blue direction second flange.
Further, sealing element holding tank, institute are limited between the lateral wall, the madial wall and the second flange
It states in sealing element holding tank and is provided with sealing element.
Optionally, the lateral wall, the madial wall are vertical with the second flange.
Specifically, interior slit, the first side wall and described are formed between the madial wall and the first side wall
The junction of one flange is formed with enclosure corner, and the flexible sealing element is pressed on the sealing element and held by the enclosure corner
It receives in slot, and the main part of the sealing element is located at the close madial wall of the sealing element holding tank and the sealing element
Part extend into the interior slit.
Optionally, the lateral wall and the outer peripheral distance of the second flange are more than the lateral wall and described second
The distance of the inward flange of flange is located at so that being formed between the first flange and the relative inner face of the second flange
Outside the lateral wall and in the capillary groove of long and narrow.
Further, the free end end face of the flange is less than the input end of the capillary groove, and the flange is close
The input end of the capillary groove sets to form outer slit between the flange and the input end.
Optionally, the groove bottom of the capillary groove is in raising trend from input end to the lateral wall.
Relative to the prior art, battery pack housing described in the utility model has the advantage that:
(1) battery pack housing described in the utility model, being arranged on the outer peripheral flange of first flange can be to direction electricity
The high pressure spray jetting stream of pond pack housing is stopped, avoids the inner surface of water impact first flange and second flange, so as to real
Existing first heavy safeguard function.
(2) battery pack housing described in the utility model, the height of lateral wall is relatively low, can play second and protect work(again
Can, the height of madial wall is higher, can play final waterproof action during relatively low sealing grade, i.e. third weight safeguard function.
(3) battery pack housing described in the utility model, by setting sealing element, it can be achieved that the sealing protection of higher level
Demand after cancelling sealing element, can realize the sealing protection demand of lower grade.
Another purpose of the utility model is to propose a kind of battery pack, and the battery pack includes above-mentioned battery involucrum
Body.
Description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type do not form the improper restriction to the utility model for explaining the utility model.
In attached drawing:
Fig. 1 be first shell, second shell, sealing element decomposition diagram;
Fig. 2 is the assembling schematic diagram of first shell and second shell;
Fig. 3 is the partial enlarged view at A in Fig. 2;
Fig. 4 is schematic diagram when sealing element is arranged on sealing element holding tank;
Fig. 5 is the partial enlarged view at B in Fig. 4.
Reference sign:
First shell 1, the first side wall 11, first flange 12, flange 13, enclosure corner 14, second shell 2, second sidewall
21st, second flange 22, lateral wall 23, madial wall 24, sealing element 3, sealing element holding tank 4, interior slit 5, capillary groove 6, outer slit
7。
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the utility model can
To be combined with each other.
The utility model is described in detail below with reference to Fig. 1-Fig. 5 and in conjunction with the embodiments.
With reference to shown in Fig. 1, first shell 1 and second shell can be included according to the battery pack housing of the utility model embodiment
Body 2.
Specifically, with reference to shown in Fig. 2-Fig. 3, first shell 1 includes the first side wall 11 and first flange 12, first flange 12
Extend outwardly from the edge of the first side wall 11, the outer edge of the separate the first side wall 11 of first flange 12 is provided with towards second shell
The flange 13 that body 2 extends, first flange 12 can be vertical with the first side wall 11, and flange 13 can be vertical with first flange 12, but
It is without being limited thereto.
Second shell 2 includes second sidewall 21 and second flange 22, and second flange 22 is outside from the edge of second sidewall 21
Extension, the outer edge of the outer edge protrusion second flange 22 of first flange 12, and flange 13 coats the second method at least partly
The outer edge of orchid 22.Second flange 22 can be vertical with second sidewall 21, but not limited to this.
It should be noted that " interior ", " outer ", " inside ", " outside " described in the utility model refer to battery pack
It is inside and outside.
According to the battery pack housing of the utility model embodiment, being arranged on 12 outer peripheral flange 13 of first flange can be right
Stopped towards the high-pressure injection flow of battery pack housing (with reference to the IPX6 test requirements documents in GB4208), avoid water impact
The inner surface of first flange 12 and second flange 22, so as to fulfill the first heavy safeguard function.Described protection in the utility model
Function refers mainly to water-proof function.
In some embodiments of the utility model, second flange 22 it is outer towards being provided on the surface of first flange 12
Side wall 23, lateral wall 23 stop be against first flange 12 towards on the surface of second flange 22, as shown in Fig. 3, Fig. 5, the second method
Lateral wall 23 is provided on the upper surface of orchid 22, the lower surface for being against first flange 12 is stopped in the free end of lateral wall 23.
Further, second flange 22 towards being provided with madial wall 24 on the surface of first flange 12, as shown in figure 3,
Madial wall 24 is provided on the upper surface of second flange 22, madial wall 24 is located at the inside of lateral wall 23, and madial wall 24
In the inside of the first side wall 11, and the height of madial wall 24 is not less than the surface towards second flange 22 of first flange 12, i.e.,
The height of madial wall 24 is not less than the lower surface of first flange 12.
Not contour design may be used with lateral wall 23 in madial wall 24, specifically as shown in Fig. 3, Fig. 5, the height of madial wall 24
More than the height of lateral wall 23.The height of lateral wall 23 is relatively low, can play the second heavy safeguard function.The height of madial wall 24 compared with
Height can play final waterproof action during relatively low sealing grade, i.e. third weight safeguard function.
Further, with reference to shown in Fig. 4-Fig. 5, sealing is limited between lateral wall 23, madial wall 24 and second flange 22
Part holding tank 4, sealing element 3 are suitable for being arranged in sealing element holding tank 4, and sealing element holding tank 4 can limit sealing element 3,
Ensure that sealing element 3 will not occur to slide and influence sealing effect when being compacted state, while ensure that the side that sealing element 3 assembles
Just property.
Sealing element 3 is uniformly filled in sealing element holding tank 4, and in a particular embodiment, sealing element 3 can be that rubber is close
Sealing 3, foamed glue sealing element 3, foam sealing element 3, fluid sealant product or silicone-rubber seals 3.In a free state, sealing element
3 height is more than the height of sealing element holding tank 4, i.e. the height of sealing element 3 is higher than the height of lateral wall 23.
Optionally, lateral wall 23, madial wall 24 are vertical with second flange 22.The height of lateral wall 23 is relatively low, for supporting
The firmly lower surface of first flange 12 avoids first shell 1 from compressing excess to sealing element 3, so as to advantageously ensure that the close of sealing element 3
Seal effect.
In some embodiments, as shown in figure 5, being formed with interior slit 5, interior slit between madial wall 24 and the first side wall 11
5 can reserve space for the deformation of sealing element 3, and specifically, the junction of the first side wall 11 and first flange 12 is formed with shell
Flexible sealing element 3 is pressed in sealing element holding tank 4, and the main part position of sealing element 3 by body turning 14, enclosure corner 14
It is extend into interior slit 5 in sealing element holding tank 4 and the part of the close madial wall 24 of sealing element 3.
In the assembling for completing battery pack housing, enclosure corner 14 can compress sealing element 3, there is sealing element 3
In the range of the seal compression of effect, and it can ensure enough pressing forces, further, since the presence of lateral wall 23, first flange 12
There is gap between second flange 22, therefore will not be as being used alone Flange Plane compression sealing element, because of sealing element
Elastic acting force causes Flange Plane to deform and lead to seal failure.
First shell 1 and second shell 2 can be realized by bolt, welding or snap fit to be connected, to ensure opposite position
Put fixed and effective extruding to sealing element 3.In the utility model, the inside of the first flange 12 of first shell 1 and shell
Body turning 14 simultaneously compresses sealing element 3, can effectively ensure that sealing effect, and can prevent first flange 12 and
Two flanges 22 deform.
In a particular embodiment, first shell 1 can be the upper shell of battery pack, and second shell 2 can be battery pack
Lower housing or first shell 1 are the lower housings of battery pack, and second shell 2 is the upper shell of battery pack.
The sealing effect of sealing element 3 is preferable, by setting sealing element 3, can meet the sealing protection demand of higher level,
It is protected again at this point, the flange 13 of first shell 1 carries out first to water, the lateral wall 23 of second shell 2 carries out second and protects again, close
Sealing 3 carries out third layer protection, and finally, the madial wall 24 of second shell 2 is finally protected.
When battery pack needs relatively low water resistance (IPX4 in such as GB4208), the use of sealing element 3 can be cancelled, led to
The flange 13 for crossing first shell 1 protects water progress first again, then is prevented again by the progress of lateral wall 23 second of second shell 2
Shield carries out the final protection of third weight, to meet relatively low water resistance demand finally by the madial wall 24 of second shell 2.
Optionally, with reference to shown in Fig. 3, Fig. 5, lateral wall 23 and the outer peripheral distance of second flange 22 are more than lateral wall 23
With the distance of the inward flange of second flange 22 so that being formed between first flange 12 and the relative inner face of second flange 22
In the capillary groove 6 of long and narrow, which is located at the outside of lateral wall 23.Capillary groove 6 is in long and narrow, is conducive to increase flow
Path so as to which flow effectively be avoided to reach lateral wall 23, further promotes the waterproof effect of battery pack housing.
Further, as shown in Fig. 3, Fig. 5, the free end end face of flange 13 is less than the input end of capillary groove 6, it is possible thereby to
Effectively blocking water flow jet enters battery pack enclosure interior.Further, flange 13 is set close to the input end of capillary groove 6, with
Form outer slit 7 between flange 13 and input end, the water in capillary groove 6 can be spilt out through outer slit 7.
Optionally, the groove bottom of capillary groove 6 from the outside side wall 23 of input end be in raising trend, i.e. capillary groove 6 groove bottom
It is set in a manner of " outer low and inner high ", in this way, when water enters capillary groove 6, it, will be from capillary groove under the action of water its own gravity
6 input end is spilt out, so as to be conducive to improve waterproof effect.
According to the battery pack of the utility model another aspect embodiment, the battery pack housing including above-described embodiment.Pass through
Sealing element 3 is set, it can be achieved that the sealing protection demand of higher level, after cancelling sealing element 3, can realize the close of lower grade
Protection requirements are sealed, while improve setting lateral wall 23, can pressed to avoid the Flange Plane because of first flange 12, second flange 22
It deforms during tight and leads to seal failure, and the flange 13 of first shell 1 can effectively stop high-pressure injection flow,
So as to seal failure phenomenon caused by avoiding high pressure spray jetting stream.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of battery pack housing, which is characterized in that including:First shell (1), second shell (2), the first shell (1)
Including:The first side wall (11) and first flange (12), the first flange (12) are outside from the edge of the first side wall (11)
Extension, the outer edge far from the first side wall (11) of the first flange (12) are provided with towards the second shell (2)
The flange (13) of extension, the second shell (2) include:Second sidewall (21) and second flange (22), the second flange
(22) extend outwardly from the edge of the second sidewall (21), the outer edge of the first flange (12) protrudes the second flange
(22) outer edge, and the flange (13) coats the outer edge of the second flange (22) at least partly.
2. battery pack housing according to claim 1, which is characterized in that the direction described first of the second flange (22)
Be provided with lateral wall (23) on the surface of flange (12), the lateral wall (23) stop be against the first flange (12) towards institute
On the surface for stating second flange (22).
3. battery pack housing according to claim 2, which is characterized in that the direction described first of the second flange (22)
The madial wall (24) being provided on the surface of flange (12) on the inside of the lateral wall (23), the madial wall (24) is positioned at institute
State the height described not less than the direction of the first flange (12) the of the inside of the first side wall (11) and the madial wall (24)
The surface of two flanges (22).
4. battery pack housing according to claim 3, which is characterized in that the lateral wall (23), the madial wall (24)
Sealing element holding tank (4) is limited between the second flange (22), sealing element is provided in the sealing element holding tank (4)
(3)。
5. battery pack housing according to claim 3, which is characterized in that the lateral wall (23), the madial wall (24)
It is vertical with the second flange (22).
6. battery pack housing according to claim 4, which is characterized in that the madial wall (24) and the first side wall
(11) it is formed with interior slit (5) between, the junction of the first side wall (11) and the first flange (12) is formed with housing
The flexible sealing element (3) is pressed in the sealing element holding tank (4) by turning (14), the enclosure corner (14), and
The main part of the sealing element (3) is located at the close madial wall of the sealing element holding tank (4) and the sealing element (3)
(24) part is extend into the interior slit (5).
7. battery pack housing according to claim 2, which is characterized in that the lateral wall (23) and the second flange
(22) outer peripheral distance is more than the distance of the lateral wall (23) and the inward flange of the second flange (22), so that
It is formed and is located at outside the lateral wall (23) between the relative inner face of the first flange (12) and the second flange (22)
And in the capillary groove (6) of long and narrow.
8. battery pack housing according to claim 7, which is characterized in that the free end end face of the flange (13) is less than institute
The input end of capillary groove (6) is stated, and the flange (13) is set close to the input end of the capillary groove (6) in the flange
(13) outer slit (7) is formed between the input end.
9. battery pack housing according to claim 7, which is characterized in that the groove bottom of the capillary groove (6) is from input end
To the lateral wall (23) in raising trend.
10. a kind of battery pack, which is characterized in that including the battery pack housing according to any one of claim 1-9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721630896.7U CN207558835U (en) | 2017-11-29 | 2017-11-29 | Battery pack housing and with its battery pack |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721630896.7U CN207558835U (en) | 2017-11-29 | 2017-11-29 | Battery pack housing and with its battery pack |
Publications (1)
Publication Number | Publication Date |
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CN207558835U true CN207558835U (en) | 2018-06-29 |
Family
ID=62678199
Family Applications (1)
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CN201721630896.7U Active CN207558835U (en) | 2017-11-29 | 2017-11-29 | Battery pack housing and with its battery pack |
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CN (1) | CN207558835U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115347284A (en) * | 2021-05-14 | 2022-11-15 | 中创新航科技股份有限公司 | Battery manufacturing method and battery |
CN115347286A (en) * | 2021-05-14 | 2022-11-15 | 中创新航科技股份有限公司 | Battery manufacturing method and battery |
-
2017
- 2017-11-29 CN CN201721630896.7U patent/CN207558835U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115347284A (en) * | 2021-05-14 | 2022-11-15 | 中创新航科技股份有限公司 | Battery manufacturing method and battery |
CN115347286A (en) * | 2021-05-14 | 2022-11-15 | 中创新航科技股份有限公司 | Battery manufacturing method and battery |
CN115347286B (en) * | 2021-05-14 | 2024-02-27 | 中创新航科技股份有限公司 | Battery manufacturing method and battery |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190128 Address after: 213000 168 Huacheng Road, Jintan District, Changzhou, Jiangsu Patentee after: SVOLT Energy Technology Co.,Ltd. Address before: No. 2266 Chaoyang South Street, Baoding City, Hebei Province, 071000 Patentee before: GREAT WALL MOTOR Co.,Ltd. |