CN212342712U - Battery pack shell sealing structure - Google Patents
Battery pack shell sealing structure Download PDFInfo
- Publication number
- CN212342712U CN212342712U CN202020730737.XU CN202020730737U CN212342712U CN 212342712 U CN212342712 U CN 212342712U CN 202020730737 U CN202020730737 U CN 202020730737U CN 212342712 U CN212342712 U CN 212342712U
- Authority
- CN
- China
- Prior art keywords
- battery pack
- sealing
- upper cover
- hole
- groove
- 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
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 66
- 238000009434 installation Methods 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 25
- 229910052744 lithium Inorganic materials 0.000 abstract description 25
- 230000000694 effects Effects 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 1
Images
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
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a battery pack shell sealing structure, which comprises a box body and an upper cover, wherein a sealing groove surrounding an opening is arranged on the shell surface of the battery pack shell sealing structure at the opening of the box body; the upper cover is provided with a sealing edge matched with the sealing groove at a position corresponding to the sealing groove, and the sealing edge is arranged in the sealing groove to seal a gap between the box body and the upper cover. Therefore, the moisture-proof and waterproof grade of the lithium battery pack can be improved. The damage or the short circuit phenomenon of the lithium battery pack caused by the water inlet of the lithium battery pack box is avoided, the service time of the lithium battery pack is prolonged, and the waterproof effect is relatively good. And after the sealing edge and the groove are melted by ultrasonic waves and sealed and fixed, the sealing waterproof grade can be further improved.
Description
Technical Field
The utility model relates to a lithium cell group technical field especially relates to a group battery shell seal structure.
Background
The electric car mainly uses a storage battery as a power supply. Lithium batteries are widely used by gradually replacing liquid storage batteries due to the advantages of short charging time, long service life and the like, and generally consist of a plurality of lithium battery cores. And the lithium battery pack is fixedly installed in the battery box shell so as to be protected by the battery pack shell. On the one hand, carry out loss protection to lithium cell group, on the other hand carries out dampproofing waterproof to lithium cell group. Therefore, the damage or short circuit phenomenon of the lithium battery pack caused by water inflow of the lithium battery pack box is avoided, and the service time of the lithium battery pack is prolonged. The existing lithium battery box has relatively poor waterproof effect. In addition, because the lithium cell group in the lithium cell box needs to carry out charge and discharge with external charger or trolley-bus through power connector. In the prior art, a large hole is formed in a lithium battery box for installing a power supply connector (or a fuse connector), and the power supply connector (or the fuse connector) is installed through the large hole. However, this method has a poor water-proof effect.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the present invention is to provide a battery pack case sealing structure.
On the one hand, in order to realize above-mentioned purpose, according to the utility model discloses a battery pack shell seal structure, battery pack shell seal structure includes:
the box body, the shell surface at the opening of the box body is provided with a sealing groove which surrounds the opening;
the upper cover is provided with a sealing edge matched with the sealing groove at a position corresponding to the sealing groove, and the sealing edge is arranged in the sealing groove to seal a gap between the box body and the upper cover.
Further, according to the utility model discloses an embodiment, melt the back through the ultrasonic wave between sealing edge and the recess and seal fixedly.
Further, according to an embodiment of the present invention, the battery pack case sealing structure further includes:
a power supply charging connector;
the box or the upper cover is still equipped with the first mounting groove with power charge joint shell shape looks adaptation, the power charge joint installation sets up in the first mounting groove.
Further, according to the utility model discloses an embodiment, the bottom of first mounting groove still is equipped with first through-hole and second through-hole.
Further, according to the utility model discloses an embodiment, the size of first through-hole and second through-hole respectively with the outer diameter looks adaptation of the positive and negative power cord of power charging joint.
Further, according to the utility model discloses an embodiment, the box or the upper cover still is equipped with first fixed orifices and second fixed orifices, first fixed orifices and second fixed orifices are used for first power charge connect with the box or it is fixed through the screw installation between the upper cover.
Further, according to an embodiment of the present invention, the battery pack case sealing structure further includes:
a fuse connector;
the box body or the upper cover is further provided with a second mounting groove matched with the shape of the fuse connector shell, and the fuse connector is mounted in the second mounting groove.
Further, according to the utility model discloses an embodiment, the bottom of second mounting groove still is equipped with third through-hole and fourth through-hole.
Further, according to an embodiment of the present invention, the size of the third through hole and the fourth through hole is adapted to the outer diameter of the positive power line and the negative power line of the fuse connector respectively.
Further, according to the utility model discloses an embodiment, the box or the upper cover still is equipped with third fixed orifices and fourth fixed orifices, third fixed orifices and fourth fixed orifices are used for the fuse connect with the box or it is fixed through the screw installation between the upper cover.
The embodiment of the utility model provides a battery pack shell sealing structure, through the box body opening part on the shell surface is equipped with the opening surrounding the sealing groove; the upper cover is provided with a sealing edge matched with the sealing groove at a position corresponding to the sealing groove, and the sealing edge is arranged in the sealing groove to seal a gap between the box body and the upper cover. Therefore, the moisture-proof and waterproof grade of the lithium battery pack can be improved. The damage or the short circuit phenomenon of the lithium battery pack caused by the water inlet of the lithium battery pack box is avoided, the service time of the lithium battery pack is prolonged, and the waterproof effect is relatively good. And after the sealing edge and the groove are melted by ultrasonic waves and sealed and fixed, the sealing waterproof grade can be further improved.
In addition, a groove matched with a power supply charging connector (or fuse connector) structure is formed to replace a large through hole, and only two small holes are formed in the bottom of the groove to lead out a power supply line. Thus, a further waterproof seal can be achieved.
Drawings
Fig. 1 is a schematic view of a sealing structure of a battery pack case according to an embodiment of the present invention;
fig. 2 is a schematic view of a sealing and disassembling structure of a battery pack case according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating a sealing and disassembling structure of another battery pack case according to an embodiment of the present invention;
fig. 4 is a schematic view illustrating a further battery pack case according to an embodiment of the present invention.
Reference numerals:
a case 10;
a seal groove 101;
an upper cover 20;
a sealing edge 201;
a first mounting groove 202;
a first via 2021;
a second via 2022;
a second mounting groove 203;
a fourth via 2031;
a first fixing hole 204;
a second fixing hole 205;
a third fixing hole 206;
a power charging connector 30;
a fuse connector 40.
The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
Detailed Description
In order to make the technical field person understand the scheme of the present invention better, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical scheme in the embodiments of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1 to 4, an embodiment of the present invention provides a battery pack case sealing structure, including: the box body 10 and the upper cover 20, a sealing groove 101 surrounding the opening is arranged on the shell surface at the opening of the box body 10; as shown in fig. 2, a sealing groove 101 is provided along a case face at the opening of the casing 10 to surround the opening of the casing 10.
The upper cover 20 is provided with a sealing edge 201 corresponding to the sealing groove 101, and the sealing edge 201 is arranged in the sealing groove 101 to seal the gap between the box 10 and the upper cover 20. Referring to fig. 1 and 2, when assembled, the sealing edge 201 of the upper cover 20 is inserted into the sealing groove 101 of the case 10, so that the gap between the case 10 and the upper cover 20 is sealed to improve the waterproof effect.
The embodiment of the utility model provides a battery pack shell sealing structure, through the box 10 opening on the shell surface is equipped with the opening surrounding the sealing groove 101; the upper cover 20 is provided with a sealing edge 201 corresponding to the sealing groove 101, and the sealing edge 201 is arranged in the sealing groove 101 to seal the gap between the box 10 and the upper cover 20. Therefore, the moisture-proof and waterproof grade of the lithium battery pack can be improved. The damage or the short circuit phenomenon of the lithium battery pack caused by the water inlet of the lithium battery pack box is avoided, the service time of the lithium battery pack is prolonged, and the waterproof effect is relatively good.
Further, in an embodiment of the present invention, the sealing edge 201 and the groove are melted by ultrasonic waves and then sealed and fixed. That is, after the upper cover 20 and the box 10 are fitted together via the sealing edge 201 and the groove, they are melted by ultrasonic waves and then sealed and fixed, thereby further improving the sealing and waterproof grade.
Referring to fig. 2 to 4, further, in an embodiment of the present invention, the battery pack case sealing structure further includes: a power charging connector 30; still be equipped with the first mounting groove 202 with power charging connector 30 shell shape looks adaptation on box 10 or the upper cover 20, the installation of power charging connector 30 sets up in first mounting groove 202. The bottom of the first mounting groove 202 is further provided with a first through hole 2021 and a second through hole 2022. As shown in fig. 2 and 4, a groove matched with the structure of the power charging connector 30 is formed to replace a large through hole, and only two small holes are formed in the bottom of the groove to lead out the power line. Thus, a further waterproof seal can be achieved.
Further, in an embodiment of the present invention, the size of the first through hole 2021 and the second through hole 2022 is adapted to the outer diameter of the positive power line and the negative power line of the power charging connector 30. By arranging the first through hole 2021 and the second through hole 2022 to fit the outer diameters of the positive and negative power supply lines. In this way, after the installation is completed, the positive and negative power lines can seal the first through hole 2021 and the second through hole 2022, and prevent water mist from entering the battery box through the first through hole 2021 and the second through hole 2022.
Referring to fig. 2 and 4, further, in an embodiment of the present invention, the box 10 or the upper cover 20 is further provided with a first fixing hole 204 and a second fixing hole 205, and the first fixing hole 204 and the second fixing hole 205 are used for fixing the first power charging connector 30 and the box 10 or the upper cover 20 by screws. The first power charging connector 30 may be lockingly fixed to the upper cover 20 through the first and second fixing holes 205.
Referring to fig. 2 and 4, further, in an embodiment of the present invention, the battery pack case sealing structure further includes: a fuse connector 40; the box body 10 or the upper cover 20 is further provided with a second mounting groove 203 matched with the shape of the outer shell of the fuse connector 40, and the fuse connector 40 is mounted in the second mounting groove 203. The bottom of the second mounting groove 203 is further provided with a third through hole and a fourth through hole 2031. As shown in fig. 2 and 4, a groove matched with the fuse connector 40 is formed instead of a large through hole, and only two small holes are formed at the bottom of the groove to lead out the power line. Thus, a further waterproof seal can be achieved.
Further, in an embodiment of the present invention, the third through hole and the fourth through hole 2031 are respectively sized to fit the outer diameter of the positive power line and the negative power line of the fuse connector 40. By providing the third and fourth vias 2031 to match the outer diameter of the positive and negative power lines. Therefore, after the installation is completed, the third through hole and the fourth through hole 2031 can be sealed by the positive power line and the negative power line, and water mist is prevented from entering the battery box from the third through hole and the fourth through hole 2031.
Referring to fig. 4, further, in an embodiment of the present invention, the box 10 or the upper cover 20 is further provided with a third fixing hole 206 and a fourth fixing hole, and the third fixing hole 206 and the fourth fixing hole are used for fixing the fuse connector 40 and the box 10 or the upper cover 20 by screws. The fuse connector 40 can be locked and fixed to the upper cover 20 through the three fixing holes and the fourth fixing hole.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. A battery pack housing seal arrangement, comprising:
the box body, the shell surface at the opening of the box body is provided with a sealing groove which surrounds the opening;
the upper cover is provided with a sealing edge matched with the sealing groove at a position corresponding to the sealing groove, and the sealing edge is arranged in the sealing groove to seal a gap between the box body and the upper cover.
2. The battery pack housing seal arrangement of claim 1, wherein the seal edge is sealingly secured to the groove by ultrasonic melting.
3. The battery pack housing seal structure according to claim 1 or 2, characterized by further comprising:
a power supply charging connector;
the box or the upper cover is still equipped with the first mounting groove with power charge joint shell shape looks adaptation, the power charge joint installation sets up in the first mounting groove.
4. The battery pack housing sealing structure according to claim 3, wherein the bottom of the first mounting recess is further provided with a first through-hole and a second through-hole.
5. The battery pack housing sealing structure of claim 4, wherein the first through hole and the second through hole are sized to fit the outer diameters of the positive and negative power lines of the power charging connector, respectively.
6. The battery pack case sealing structure according to claim 5, wherein the box body or the upper cover is further provided with a first fixing hole and a second fixing hole, and the first fixing hole and the second fixing hole are used for fixing the power charging connector and the box body or the upper cover through screws.
7. The battery pack housing seal structure according to claim 1 or 2, characterized by further comprising:
a fuse connector;
the box body or the upper cover is further provided with a second mounting groove matched with the shape of the fuse connector shell, and the fuse connector is mounted in the second mounting groove.
8. The battery pack housing sealing structure according to claim 7, wherein the bottom of the second mounting recess is further provided with a third through hole and a fourth through hole.
9. The battery pack housing seal arrangement of claim 8, wherein the third and fourth through holes are sized to fit the outer diameters of the positive and negative power cords of the fuse connector, respectively.
10. The battery pack case sealing structure according to claim 9, wherein the case or the upper cover is further provided with third and fourth fixing holes for screw-mounting and fixing between the fuse tab and the case or the upper cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020730737.XU CN212342712U (en) | 2020-05-06 | 2020-05-06 | Battery pack shell sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020730737.XU CN212342712U (en) | 2020-05-06 | 2020-05-06 | Battery pack shell sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212342712U true CN212342712U (en) | 2021-01-12 |
Family
ID=74079228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020730737.XU Expired - Fee Related CN212342712U (en) | 2020-05-06 | 2020-05-06 | Battery pack shell sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212342712U (en) |
-
2020
- 2020-05-06 CN CN202020730737.XU patent/CN212342712U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210112 |