CN206976437U - A kind of battery case - Google Patents
A kind of battery case Download PDFInfo
- Publication number
- CN206976437U CN206976437U CN201720657663.XU CN201720657663U CN206976437U CN 206976437 U CN206976437 U CN 206976437U CN 201720657663 U CN201720657663 U CN 201720657663U CN 206976437 U CN206976437 U CN 206976437U
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- groove
- battery case
- matching board
- casing
- Prior art date
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a kind of battery case, including the case lid and the sealing ring at the cooperation of casing and case lid, casing of casing and casing cooperation include bottom wall and the first side wall, and the first side wall extends to form lower box edge；Lower box edge includes limiting plate and is recessed to form the first groove with the first matching board, limiting plate；Case lid includes roof and second sidewall, and second sidewall extends to form box edge；Upper box edge includes and lower platen and the second matching board；Sealing ring includes the first sealing ring and the second sealing ring, and the first sealing ring is fixed in the first groove, and the second sealing ring is fixed on the junction of limiting plate and the first side wall；Casing is formed with case lid by the second matching board and the first matching board to be coordinated, and is sealed the battery case by the lower platen the first sealing ring of compression and the second sealing ring, and compared with prior art, beneficial effect provided by the utility model is：Provided with two sealing rings, sealing effectiveness of the battery case under extreme working condition is effectively improved.
Description
【Technical field】
Cell art is the utility model is related to, is specifically related to a kind of battery case.
【Background technology】
With the continuous consumption of non-renewable resources and increasingly highlighting for environmental problem, the application of battery is also more and more wider
It is general, while in order to ensure that the use that battery can be safe is typically to use mounting batteries in battery case, therefore battery case is anti-
Dirt classification of waterproof requires higher.However, the battery case on electric car is typically to use to weld after steel plate bending to apply sealing again at present
The mode of glue is made, and a sealing ring is only placed between casing and case lid and is sealed.This structure is right in process of production
Welding, the operation of gluing require higher, and the situation of poor sealing easily occurs in battery case, and a sealing ring causes battery case to exist
Sealing effectiveness is bad under extreme working condition.
In consideration of it, real be necessary to provide a kind of new battery case with overcome the deficiencies in the prior art.
【Utility model content】
The purpose of this utility model is to provide a kind of battery case, there is good sealing effectiveness under extreme working condition.
To achieve these goals, the utility model provides a kind of battery case, including casing, the case lid that coordinates with casing and
Sealing ring at the cooperation of the casing and the case lid, the casing include bottom wall and extend to be formed from the edge of bottom wall
The first side wall, the one end of the first side wall away from bottom wall forms lower box edge to extension outside casing；The lower box edge includes
The limiting plate being connected with the first side wall and the first matching board being connected with limiting plate, the middle part of the limiting plate is to close to bottom wall
Direction is recessed to form the first groove；The case lid includes roof and extends the second sidewall to be formed from the edge of roof, and described the
The one end of two side walls away from roof extends to form upper box edge；The upper box edge includes the lower platen being connected with second sidewall and with
The second connected matching board of pressing plate, second matching board are corresponding with the first matching board；The sealing ring includes the first sealing ring
And second sealing ring, first sealing ring are fixed in first groove, second sealing ring is fixed on described spacing
The junction of plate and the first side wall；The casing is formed with case lid by second matching board and the first matching board to be coordinated, and
First sealing ring is compressed by the lower platen and the second sealing ring seals the battery case.
One kind as the utility model battery case is improved, and the lower platen is stepped and connected including two and is in
The piece under pressure of L-shaped, one of piece under pressure is corresponding with first groove, another piece under pressure and the limiting plate and the first side
The junction of wall is corresponding.
One kind as the utility model battery case is improved, and first sealing ring includes what is coordinated with first groove
Limiting section and extend the fixed part to be formed from limiting section side, the limiting section be installed in first groove and by with it is corresponding
Piece under pressure pressing, the fixed position is between the first matching board and the second matching board.
One kind as the utility model battery case is improved, and the side of second sealing ring is provided with the second groove, passed through
Second sealing ring is installed in the junction of the limiting plate and the first side wall, and second sealing by second groove
Side of the circle away from the second groove is pressed by corresponding piece under pressure.
One kind as the utility model battery case is improved, and second sealing ring is provided with some in second groove
Raised line, bottom direction from each raised line to second groove tilt, and some raised lines be resisted against the first side wall and
On limiting plate.
One kind as the utility model battery case is improved, and the inside of second sealing ring is in one away from the second groove
End is further opened with passage.
One kind as the utility model battery case is improved, and first matching board offers some first through hole；It is described
Second matching board offers some and one-to-one second through hole of first through hole；The fixed part of first sealing ring is provided with
Some third through-holes corresponding with the first through hole；First through hole, the second through hole and third through-hole are run through by institute by screw
State casing to lock with case lid, and first sealing ring and the second sealing ring are compressed by the battery by the lower platen
Case seals.
Compared with prior art, the beneficial effect of battery case provided by the utility model is：Provided with two sealing rings, have
Effect improves sealing effectiveness of the battery case under extreme working condition.
【Brief description of the drawings】
Fig. 1 is the three-dimensional exploded view of the utility model battery case；
Fig. 2 is the partial sectional view of the utility model battery case；
Fig. 3 is the enlarged drawing of a-quadrant shown in Fig. 1；
Fig. 4 is the sectional view of the first sealing ring shown in Fig. 1；
Fig. 5 is the sectional view of the second sealing ring shown in Fig. 1.
【Embodiment】
In order that the purpose of this utility model, technical scheme and advantageous effects become apparent from understanding, below in conjunction with attached
Figure and embodiment, the utility model is further elaborated.It should be appreciated that described in this specification
Embodiment is not intended to limit the utility model just for the sake of explaining the utility model.
It refer to Fig. 1, a kind of battery case 100 provided by the utility model, including casing 10, the case lid with the cooperation of casing 10
20 and the sealing ring 30 at the cooperation of the casing 10 and the case lid 20.
Please also refer to Fig. 2 and Fig. 3, the casing 10 include that bottom wall 101 and extending from the edge of bottom wall 101 to be formed the
One side wall 102, the described one end of the first side wall 102 away from bottom wall 101 form lower box edge 103 to extension outside casing.Under described
Box edge 103 includes the limiting plate 1031 being connected with the first side wall 102 and the first matching board 1032 being connected with limiting plate 1031, institute
The middle part for stating limiting plate 1031 is recessed to form the first groove 1033 to the direction close to bottom wall 101, first matching board 1032
Offer some first through hole 1034.In the present embodiment, the casing 10 is molded by integrated punching and manufactured.
The case lid 20 includes roof 201 and extends the second sidewall 202 to be formed from the edge of roof 201, and described second
The one end of side wall 202 away from roof 201 extends to form upper box edge 203.The upper box edge 203 includes being connected with second sidewall 202
Lower platen 2031 and the second matching board 2032 for being connected with lower platen 2031, the lower platen 2031 it is stepped and including two
Individual connected and L-shaped piece under pressure 2033, one of piece under pressure 2033 is corresponding with first groove 1033, under another
Casting die 2033 is corresponding with the junction of the limiting plate 1031 and the first side wall 102, and second matching board 2032 is matched somebody with somebody with first
Plywood corresponds to and offers some and one-to-one second through hole 2034 of first through hole 1034.The casing 10 is logical with case lid 20
Cross the matching board 1032 of the second matching board 2032 and first and formed and coordinated.In the present embodiment, the case lid 20 passes through one
Body punch forming manufactures.
Fig. 4 and Fig. 5 are please also refer to, the sealing ring 30 includes the first sealing ring 31 and the second sealing ring 32.Described
One sealing ring is fixed in first groove 1033, and second sealing ring 32 is fixed on the side of limiting plate 1031 and first
The junction of wall 102.
First sealing ring 31 includes the limiting section 311 coordinated with first groove 1033 and from limiting section 311 1
Side extends the fixed part 312 to be formed, the limiting section 311 be installed in first groove 1033 and by with corresponding piece under pressure
2033 pressings, the fixed part 312 is between the first matching board 1032 and the second matching board 2032.First sealing ring 31
Fixed part 312 be provided with some third through-holes 3121 corresponding with the first through hole 1034.
The side of second sealing ring 32 is provided with the second groove 321, close by described second by second groove 321
Seal 32 is installed in the junction of the limiting plate 1031 and the first side wall 102, and second sealing ring 32 is recessed away from second
The side of groove 321 is pressed by corresponding piece under pressure 2033.Second sealing ring 32 is provided with some in second groove 321
Raised line 3211, each raised line 3211 is tilted to the bottom direction of second groove 321, and some raised lines 321 are resisted against
On the first side wall 102 and limiting plate 1031, it can effectively prevent second sealing ring 32 from coming off.In the present embodiment,
The inside of second sealing ring 32 is further opened with passage 322 in one end away from the second groove 321, and the passage 322 can add
The elasticity of strong second sealing ring 32, not only it is beneficial to installation and sealing property can be effectively improved.
During assembling, first pass through the fixed part 312 and coordinate with first groove 1033 and fill first sealing ring 31
Second sealing ring 32 is installed in the limiting plate 1031 and on the lower box edge 103, then by the second groove 321
The junction of one side wall 102, first through hole 1034, the second through hole 2034 and third through-hole 3121 are then run through by institute by screw
State casing 10 to lock with case lid 20, and the sealing ring of the first sealing ring 31 and second is compressed by the lower platen 2031
32 seal the battery case 100.In the present embodiment, two L-shaped piece under pressures 2033 on the lower platen 2031 are not only
The sealing ring 32 of the first sealing ring 31 and second can be effectively compressed, and can be served spacing to prevent first sealing ring
31 and second sealing ring 32 produce skew or distortion, and then improve seal.
The utility model is not restricted to described in specification and embodiment, therefore for the personnel of familiar field
For additional advantage and modification is easily achieved, therefore in the universal limited without departing substantially from claim and equivalency range
Spirit and scope in the case of, the utility model is not limited to specific details, representational equipment and shown here as with retouching
The examples shown stated.
Claims (7)
1. a kind of battery case, including casing, the case lid that coordinates with casing and at the cooperation of the casing and the case lid
Sealing ring, it is characterised in that：The casing includes bottom wall and extends the first side wall to be formed, first side from the edge of bottom wall
The one end of wall away from bottom wall forms lower box edge to extension outside casing；The lower box edge includes the limiting plate being connected with the first side wall
And the first matching board being connected with limiting plate, the middle part of the limiting plate are recessed to form the first groove to the direction close to bottom wall；
The case lid includes roof and extends the second sidewall to be formed from the edge of roof, and the one end of the second sidewall away from roof is prolonged
Stretch to form box edge；The upper box edge includes the lower platen being connected with second sidewall and the second matching board being connected with lower platen,
Second matching board is corresponding with the first matching board；The sealing ring includes the first sealing ring and the second sealing ring, and described first
Sealing ring is fixed in first groove, and second sealing ring is fixed on the junction of the limiting plate and the first side wall；
The casing is formed with case lid by second matching board and the first matching board to be coordinated, and compresses first by the lower platen
Sealing ring and the second sealing ring seal the battery case.
2. battery case according to claim 1, it is characterised in that：The lower platen is stepped and connected including two
And L-shaped piece under pressure, one of piece under pressure is corresponding with first groove, another piece under pressure and the limiting plate and the
The junction of one side wall is corresponding.
3. battery case according to claim 2, it is characterised in that：First sealing ring includes matching somebody with somebody with first groove
The limiting section of conjunction and extend the fixed part to be formed from limiting section side, the limiting section be installed in first groove and by with
Corresponding piece under pressure pressing, the fixed position is between the first matching board and the second matching board.
4. battery case according to claim 3, it is characterised in that：The side of second sealing ring is provided with the second groove,
Second sealing ring is installed in the junction of the limiting plate and the first side wall, and described second by second groove
Side of the sealing ring away from the second groove is pressed by corresponding piece under pressure.
5. battery case according to claim 4, it is characterised in that：Second sealing ring is provided with second groove
Some raised lines, each raised line tilts to the bottom direction of second groove, and some raised lines are resisted against first side
On wall and limiting plate.
6. battery case according to claim 5, it is characterised in that：The inside of second sealing ring is away from the second groove
One end be further opened with passage.
7. battery case according to claim 6, it is characterised in that：First matching board offers some first through hole；
Second matching board offers some and one-to-one second through hole of first through hole；On the fixed part of first sealing ring
Provided with some third through-holes corresponding with the first through hole；First through hole, the second through hole and third through-hole are run through by screw
The casing is locked with case lid, and first sealing ring and the second sealing ring are compressed by described in by the lower platen
Battery case seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720657663.XU CN206976437U (en) | 2017-06-07 | 2017-06-07 | A kind of battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720657663.XU CN206976437U (en) | 2017-06-07 | 2017-06-07 | A kind of battery case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206976437U true CN206976437U (en) | 2018-02-06 |
Family
ID=61411166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720657663.XU Expired - Fee Related CN206976437U (en) | 2017-06-07 | 2017-06-07 | A kind of battery case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206976437U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923008A (en) * | 2018-08-21 | 2018-11-30 | 广东亿鑫丰智能装备股份有限公司 | A kind of modified liquid cooling battery case |
| CN111540857A (en) * | 2020-05-06 | 2020-08-14 | 泰铂（上海）环保科技股份有限公司 | Assembled battery box and assembling method thereof |
| CN112534633A (en) * | 2018-08-06 | 2021-03-19 | 韦巴斯托股份公司 | Battery housing and method for mounting a battery housing |
| CN114171828A (en) * | 2020-08-21 | 2022-03-11 | 上海汽车集团股份有限公司 | Double containment structural formula battery package box and electric motor car |
| WO2023060519A1 (en) * | 2021-10-14 | 2023-04-20 | 宁德时代新能源科技股份有限公司 | Accommodation device, battery, electric device, and device and method for manufacturing battery |
| WO2024139252A1 (en) * | 2022-12-30 | 2024-07-04 | 宁德时代新能源科技股份有限公司 | Battery and electric apparatus |
-
2017
- 2017-06-07 CN CN201720657663.XU patent/CN206976437U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112534633A (en) * | 2018-08-06 | 2021-03-19 | 韦巴斯托股份公司 | Battery housing and method for mounting a battery housing |
| CN108923008A (en) * | 2018-08-21 | 2018-11-30 | 广东亿鑫丰智能装备股份有限公司 | A kind of modified liquid cooling battery case |
| CN111540857A (en) * | 2020-05-06 | 2020-08-14 | 泰铂（上海）环保科技股份有限公司 | Assembled battery box and assembling method thereof |
| CN114171828A (en) * | 2020-08-21 | 2022-03-11 | 上海汽车集团股份有限公司 | Double containment structural formula battery package box and electric motor car |
| CN114171828B (en) * | 2020-08-21 | 2024-08-23 | 上海汽车集团股份有限公司 | Double-sealing structure type battery pack box body and electric vehicle |
| WO2023060519A1 (en) * | 2021-10-14 | 2023-04-20 | 宁德时代新能源科技股份有限公司 | Accommodation device, battery, electric device, and device and method for manufacturing battery |
| WO2024139252A1 (en) * | 2022-12-30 | 2024-07-04 | 宁德时代新能源科技股份有限公司 | Battery and electric apparatus |
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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: 20180428 Granted publication date: 20180206 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210428 Granted publication date: 20180206 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 Termination date: 20180607 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |