CN208674235U - A kind of Battery case structure and automobile - Google Patents
A kind of Battery case structure and automobile Download PDFInfo
- Publication number
- CN208674235U CN208674235U CN201821656870.4U CN201821656870U CN208674235U CN 208674235 U CN208674235 U CN 208674235U CN 201821656870 U CN201821656870 U CN 201821656870U CN 208674235 U CN208674235 U CN 208674235U
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- China
- Prior art keywords
- joint face
- battery case
- cabinet
- sealing strip
- case lid
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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)
Abstract
The utility model discloses a kind of Battery case structure and automobile, the Battery case structure includes case lid, cabinet and sealing strip.The flange portion of cabinet has the first joint face, the second joint face and third joint face, and third joint face connects the first joint face and the second joint face；The flange portion of case lid has the 4th joint face, the 5th joint face and the 6th joint face, and the 6th joint face connects the 4th joint face and the 5th joint face；After the assembly is completed, the first joint face connect plane-plane contact with the 4th for cabinet and the case lid, and the second joint face connect plane-plane contact with the 5th, and the first joint face, third joint face, the 5th joint face and the 6th joint face form the cavity of a sealing；Sealing strip is set in cavity.The embodiments of the present invention solve the problems, such as that Battery case tightness is not high.
Description
Technical field
The utility model relates to battery system technical field more particularly to a kind of Battery case structure and automobiles.
Background technique
The box sealing of current driving force battery faces the challenge of following four big harsh applying working conditions:
Short-term heavy water --- typical condition " IP67 ": Battery case impregnates 30 seconds in the 1m depth of water, it is desirable that in Battery case
Portion is without water inlet；
Spray water with high pressure --- typical condition " IPX9K ": with 8000~10000kPa pressure, from 0 °, 30 °, 60 °, 90 ° four
Position is sprayed water to Battery case, and each position continues 30 seconds；It is required that without water inlet inside Battery case；
Long-term infiltration --- typical condition " rain/snowy day driving (feature: water pressure, duration are long) ": vehicle was run
Cheng Zhong, rainwater/snow-broth can deposit to battery box cover flange position, for a long time along sealing structure to seeping water inside Battery case,
It is required that without water inlet inside Battery case；
High temperature explosion --- typical condition " battery thermal runaway ": when Battery case thermal runaway, box house can be produced moment
Raw a large amount of high temperature, high pressure gas, impact Battery case；At this time, it is desirable that Battery case sealing strip does not rupture, do not cause inside and outside cabinet
Cross-ventilation.
" sink in short term water, spray water with high pressure " two challenges can be solved by selecting the sealing strip that has excellent performance at present, but right
What is answered is exactly that sealing strip is at high cost；And " long-term infiltration, high temperature explosion " two challenges, so far without perfect solution.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of Battery case structure and automobile, solves electricity
The not high problem of pond box sealing degree.
According to the one aspect of the utility model, a kind of Battery case structure is provided, comprising:
Case lid, cabinet and sealing strip；
The flange portion of the cabinet has the first joint face, the second joint face and third joint face, the third joint face
Connect first joint face and the second joint face；
The flange portion of the case lid has the 4th joint face, the 5th joint face and the 6th joint face, the 6th joint face
Connect the 4th joint face and the 5th joint face；
After the assembly is completed, first joint face connect plane-plane contact with the described 4th, institute for the cabinet and the case lid
It states the second joint face and connect plane-plane contact, first joint face, third joint face, the 5th joint face and the 6th with the described 5th
Joint face forms the cavity of a sealing；
The sealing strip setting is in the cavity.
Optionally, the sealing strip is adhered on the 5th joint face.
Optionally, the cabinet and the case lid are bolted by multiple.
Optionally, there are multiple first bolt mounting holes on the 4th joint face.
Optionally, reinforcing rib is provided between the 6th joint face and the 4th joint face.
Optionally, the reinforcing rib is set to the two sides of first bolt mounting holes.
Optionally, the periphery of the case lid is provided with flange, and the flange is towards the cabinet.
Optionally, the first volume of the sealing strip is greater than the volume of the cavity, and first volume is the sealing
Item is in volume when uncompressed state；And the sealing strip can be compressed to the second volume, second volume is less than or waits
In the volume of the cavity.
According to the other side of the utility model, a kind of automobile, including the Battery case structure are provided.
The beneficial effect of the embodiments of the present invention is:
Battery case structure provided by the embodiment of the utility model, including case lid, cabinet and sealing strip.The cabinet and institute
The flange portion for stating case lid is provided with step-like joint face, and the cabinet and the case lid are after the assembly is completed, the battery
The flange portion of body structure forms the cavity of a sealing, and the sealing strip setting in the cavity, forms sealing structure.It is described
Sealing structure leakproofness is good and anti-burst is strong, solves the problems, such as that Battery case tightness is not high, in addition, the present embodiment is empty
Between utilization rate is high, at low cost, good product consistency.
Detailed description of the invention
Fig. 1 shows one of the structural schematic diagrams of the Battery case structure of the utility model embodiment；
Fig. 2 indicates the second structural representation of the Battery case structure of the utility model embodiment；
Fig. 3 indicates one of structural schematic diagram of cabinet of the utility model embodiment；
Fig. 4 indicates the second structural representation of the cabinet of the utility model embodiment；
Fig. 5 indicates one of structural schematic diagram of case lid of the utility model embodiment；
Fig. 6 indicates the second structural representation of the case lid of the utility model embodiment.
[description of symbols]
1-case lid, 2-cabinets, 3-sealing strips, the 11-the four joint face, the 12-the five joint face, the 13-the six connection
Face, the 14-the first bolt mounting holes, 15-reinforcing ribs, 16-flange, the 21-the first joint face, the 22-the second joint face, 23-
Third joint face.
Specific embodiment
The exemplary embodiment of the utility model is more fully described below with reference to accompanying drawings.Although showing this in attached drawing
The exemplary embodiment of utility model, it being understood, however, that may be realized in various forms the utility model without should be by here
The embodiment of elaboration is limited.It is to be able to thoroughly understand the utility model, and energy on the contrary, providing these embodiments
It is enough to be fully disclosed to those skilled in the art the scope of the utility model.
The embodiments of the present invention provide a kind of Battery case structure, please refer to Fig. 1, and Fig. 1 is the Battery case
The overall schematic of structure.
Referring to figure 2., Fig. 2 is the flange portion cross-sectional view of the Battery case structure, as shown in Fig. 2, the Battery case
Structure includes: case lid 1, cabinet 2 and sealing strip 3.
Specifically, the case lid 1 covers on the cabinet 2, and after the completion of the Battery case Standard, the case
The flange portion of lid 1 and the flange portion of the cabinet 2 form a sealing cavity, and the setting of sealing strip 3 is in the cavity.
The flange portion of the cabinet 2 has the first joint face 21, the second joint face 22 and third joint face 23, the third
Joint face 23 connects first joint face 21 and the second joint face 22.
Specifically, the cabinet 2 can be formed with aluminium section welded, the structure of the flange portion of the cabinet 2 is please referred to
Fig. 3, Fig. 3 are the partial schematic diagram of the flange portion of the cabinet 2.
Further, referring to figure 4., Fig. 4 is the cross-sectional view of 2 flange portion of cabinet, as shown in figure 4, the cabinet 2
Flange portion is provided with the first joint face 21, the second joint face 22 and third joint face 23, and the third joint face 23 connects described
First joint face 21 and the second joint face 22.Wherein, first joint face 21 can be parallel with second joint face 22
Two planes, and first joint face 21 is higher than second joint face 22, and first joint face 21 is set to described
The flange portion of cabinet 2 is close to the side of the Battery case structure centre.First joint face 21 is higher than second connection
The design in face 22 can be prevented effectively water stain into the Battery case inside configuration in the cavity.
The flange portion of the case lid 1 have the 4th joint face 11, the 5th joint face 12 and the 6th joint face 13, the described 6th
Joint face 13 connects the 4th joint face 11 and the 5th joint face 12.
Specifically, the case lid 1 can select metal or composite material, formed by mould punching.The case lid 1
Referring to figure 5., Fig. 5 is the partial schematic diagram of the flange portion of the case lid 1 to the structure of flange portion.
Further, Fig. 6 is please referred to, Fig. 6 is the cross-sectional view of the case lid 1, as shown in fig. 6, the flange portion of case lid 1 has
4th joint face 11, the 5th joint face 12 and the 6th joint face 13, the 6th joint face 13 connect the 4th joint face 11
With the 5th joint face 12.Wherein, the 4th joint face 11 can be flat for parallel two with the 6th joint face 13
Face, and the 6th joint face 13 is higher than the 4th joint face 11, the 6th joint face 13 is set to the method for the case lid 1
Blue portion is close to the side of the Battery case structure centre.
Preferably, as shown in fig. 6, the periphery of the case lid 1 is provided with flange 16, the flange 16 is towards the cabinet 2.
In the present embodiment, the setting of the flange 16 provides first of protection for the Battery case structure, described
When Battery case structure bears water jets under high pressure injection, the water jets under high pressure can effectively be prevented to be ejected into the sealing strip 3.
As shown in Fig. 2, the cabinet 2 and the case lid 1 are after the assembly is completed, first joint face 21 connects with the described 4th
11 face contact of junction, second joint face 22 and 12 face contact of the 5th joint face, first joint face 21, third connect
Junction 23, the 5th joint face 12 and the 6th joint face 13 form the cavity of a sealing.
Preferably, the cabinet 2 and the case lid 1 are bolted by multiple.
Specifically, as shown in figure 5, there are multiple first bolt mounting holes 14 on the 4th joint face 11.Such as Fig. 1 institute
Show, first bolt mounting holes 14 are uniformly distributed on the 4th joint face 11.In addition, having on second joint face 22
There are second bolt mounting holes corresponding with first bolt mounting holes 14, the cabinet 2 passes through multiple spiral shells with the case lid 1
It tethers and connects.
As shown in Fig. 2, the setting of sealing strip 3 is in the cavity.
Preferably, as shown in fig. 6, the sealing strip 3 is adhered on the 5th joint face 12.
Specifically, the materials such as rubber, foamed silica gel can be selected in the sealing strip 3, the surface of the sealing strip 3 has viscous
Property, it is bonded on the 5th joint face 12 of the case lid 1.After the case lid 1 is completed with the cabinet 2 assembly, it is close to form one
Cavity is sealed, at the sealing strip 3 in the cavity, the case lid 1 presses the sealing strip 3 with the cabinet 2, reaches sealing
Effect.
Preferably, the first volume of the sealing strip 3 is greater than the volume of the cavity, and first volume is the sealing
Item 3 is in volume when uncompressed state；And the sealing strip 3 can be compressed to the second volume, second volume be less than or
Equal to the volume of the cavity.
In the present embodiment, first volume of the sealing strip 3 and the size of second volume determine the battery
The good degree of body structure flange portion leakproofness, when the volume of the uncompressed state of the sealing strip 3, i.e., described first body
Product, greater than the volume of the cavity, and the minimum volume that the sealing strip 3 can be compressed to, i.e., described second volume, be less than or
When equal to the cavity volume, the leakproofness in Battery case structure flanges portion is best.Wherein, the first of the sealing strip 3
Volume is as shown in fig. 6, the second volume of the sealing strip 3 is as shown in Figure 2.
The utility model embodiment passes through the 5th joint face 12 of the case lid 1 and the second joint face 22 of the cabinet 2
Pressing, compress the sealing strip 3, it made to reach sealing effect, the Battery case structure may be implemented full of the cavity
The short-term heavy water seal request.
The utility model embodiment is provided first by the setting of the flange 16 for the Battery case structure
Protection can effectively prevent the water jets under high pressure from being ejected into described when the Battery case structure bears water jets under high pressure injection
Sealing strip 3；By the face contact of the 4th joint face 11 of the second joint face 22 and case lid 1 of the cabinet 2, is formd
Two protection can effectively prevent the water jets under high pressure from being ejected into when the Battery case structure bears water jets under high pressure injection
The sealing strip 3.It is protected by the above twice, the hydraulic pressure for reaching the sealing strip 3 has been reduced to very low, realizes the battery case
The requirement sprayed water with high pressure of body structure.
First joint face 21 of the utility model embodiment, the cabinet 2 is higher than the second joint face 22 and the sealing strip 3
Design, can be in the long-term water in flange position of the Battery case structure, such as rainy day driving or flange position snow-broth
When thawing, prevents to penetrate into the water stain into the Battery case inside configuration of the sealing strip, realize the Battery case structure
The requirement seeped water for a long time.
The utility model embodiment, the setting of the cavity make the inside of the Battery case structure generate high temperature and pressure
Gas, when pushing the sealing strip 3 mobile to Battery case structure periphery, it will by the inner wall of the cavity, i.e. institute
The blocking of the 6th joint face 13 of case lid 1 is stated, not but not leads to seal failure at this time, can realize that better seal is imitated instead
Fruit realizes the requirement of the high temperature explosion of the Battery case structure.
Preferably, as shown in figure 5, being provided with multiple reinforcements between the 6th joint face 13 and the 4th joint face 11
Muscle 15.
Specifically, as shown in figure 5, the reinforcing rib 15 is set to the two sides of first bolt mounting holes 14.This implementation
In example, under the premise of no increase cost, the setting of the reinforcing rib 16 improves the intensity of the flange portion of the case lid 1,
Very big help can be played for the loss of weight work of the case lid 1.
Battery case structure provided by the embodiment of the utility model, including case lid 1, cabinet 2 and sealing strip 3.The cabinet 2
It is provided with step-like joint face with the flange portion of the case lid 1, and the cabinet 2 and the case lid 1 are after the assembly is completed, institute
The flange portion for stating Battery case structure forms the cavity of a sealing, and the setting of sealing strip 3 in the cavity, forms sealing knot
Structure.The sealing structure leakproofness is good and anti-burst is strong, solves the problems, such as that Battery case tightness is not high, in addition, this
Embodiment space utilization rate is high, at low cost, good product consistency.
The embodiments of the present invention additionally provide a kind of automobile, including the Battery case structure.
Above-described is preferred embodiments of the present invention, it should be pointed out that for the ordinary person of the art
For, it can also make several improvements and retouch under the premise of not departing from principle described in the utility model, these are improved and profit
It adorns also within the protection scope of the present utility model.
Claims (9)
1. a kind of Battery case structure characterized by comprising
Case lid (1), cabinet (2) and sealing strip (3)；
The flange portion of the cabinet (2) has the first joint face (21), the second joint face (22) and third joint face (23), described
Third joint face (23) connects first joint face (21) and the second joint face (22)；
The flange portion of the case lid (1) has the 4th joint face (11), the 5th joint face (12) and the 6th joint face (13), described
6th joint face (13) connects the 4th joint face (11) and the 5th joint face (12)；
The cabinet (2) and the case lid (1) after the assembly is completed, first joint face (21) and the 4th joint face (11)
Face contact, second joint face (22) and the 5th joint face (12) face contact, first joint face (21), third connect
Junction (23), the 5th joint face (12) and the 6th joint face (13) form the cavity of a sealing；
Sealing strip (3) setting is in the cavity.
2. Battery case structure according to claim 1, which is characterized in that the sealing strip (3) is adhered to the described 5th
On joint face (12).
3. Battery case structure according to claim 1, which is characterized in that the cabinet (2) and the case lid (1) pass through
It is multiple to be bolted.
4. Battery case structure according to claim 3, which is characterized in that have on the 4th joint face (11) multiple
First bolt mounting holes (14).
5. Battery case structure according to claim 4, which is characterized in that the 6th joint face (13) and the described 4th
Reinforcing rib (15) are provided between joint face (11).
6. Battery case structure according to claim 5, which is characterized in that the reinforcing rib (15) is set to described first
The two sides of bolt mounting holes (14).
7. Battery case structure according to claim 1, which is characterized in that the periphery of the case lid (1) is provided with flange
(16), the flange (16) is towards the cabinet (2).
8. Battery case structure according to claim 1, which is characterized in that the first volume of the sealing strip (3) is greater than
The volume of the cavity, first volume are the volume when sealing strip (3) are in uncompressed state；And the sealing strip
(3) it can be compressed to the second volume, second volume is less than or equal to the volume of the cavity.
9. a kind of automobile, which is characterized in that including the Battery case structure as described in any one of claim 1~8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821656870.4U CN208674235U (en) | 2018-10-12 | 2018-10-12 | A kind of Battery case structure and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821656870.4U CN208674235U (en) | 2018-10-12 | 2018-10-12 | A kind of Battery case structure and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208674235U true CN208674235U (en) | 2019-03-29 |
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ID=65821005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821656870.4U Active CN208674235U (en) | 2018-10-12 | 2018-10-12 | A kind of Battery case structure and automobile |
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| CN (1) | CN208674235U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023173918A1 (en) * | 2022-03-15 | 2023-09-21 | 宁德时代新能源科技股份有限公司 | Case, battery and power consuming device |
-
2018
- 2018-10-12 CN CN201821656870.4U patent/CN208674235U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023173918A1 (en) * | 2022-03-15 | 2023-09-21 | 宁德时代新能源科技股份有限公司 | Case, battery and power consuming device |
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