CN216980744U - Battery module that waterproof sealing performance is good - Google Patents
Battery module that waterproof sealing performance is good Download PDFInfo
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- CN216980744U CN216980744U CN202220234815.6U CN202220234815U CN216980744U CN 216980744 U CN216980744 U CN 216980744U CN 202220234815 U CN202220234815 U CN 202220234815U CN 216980744 U CN216980744 U CN 216980744U
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Abstract
The utility model discloses a battery module with good waterproof sealing performance, which comprises: upper cover, mesochite and lower cover, the mesochite is both ends open-ended tube-shape, upper cover and lower cover are located respectively the upper shed and the under shed department of mesochite, upper cover, mesochite and lower cover cooperation form an accommodation space, the accommodation space is used for holding lithium cell, battery holder and PCB board, the mesochite inner wall is formed with the protruding structure of a plurality of rectangular shapes, the tip of protruding structure is in respectively upper shed and under shed department form first screw hole, upper shed and under shed department all form a supporting platform, the last boss that is formed with of supporting platform, the boss will outside and inboard are separated into to the supporting platform, the skin of boss is formed with the assembly groove. The utility model has the beneficial effects that: the structure is firm and can obtain fine sealed and water-proof effects, avoids inside battery damage, the short circuit scheduling problem that causes of steam invasion battery module.
Description
Technical Field
The utility model relates to the technical field of lithium battery modules, in particular to a battery module with good waterproof and sealing performances.
Background
Lithium battery module can be used for the scooter, rock the car, electric bicycle etc. on the device, when the equipment at terminal has outdoor user demand, the waterproof sealing performance of lithium cell just seems crucial, if can't realize good waterproof performance, then probably lead to the battery module to damage or even the short circuit serious problem such as the fire appears when steam invades battery module inside.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a battery module with good waterproof and sealing performance.
The technical scheme of the utility model is as follows: the utility model provides a battery module with good waterproof sealing performance, which comprises: the upper cover, the middle shell and the lower cover, the middle shell is in a cylinder shape with two open ends, the upper cover and the lower cover are respectively arranged at the upper opening and the lower opening of the middle shell, the upper cover, the middle shell and the lower cover are matched to form an accommodating space, the accommodating space is used for accommodating a lithium battery unit, a battery bracket and a PCB (printed circuit board), the inner wall of the middle shell is formed with a plurality of long-strip-shaped protruding structures, the end parts of the protruding structures are respectively arranged at the upper opening and the lower opening to form a first screw hole, the upper opening and the lower opening both form a supporting platform, the supporting platform is provided with a boss, the boss separates the supporting platform into an outer side and an inner side, the outer layer of the boss is provided with an assembling groove, the upper cover corresponds to the assembling groove of the upper opening and is formed with a first assembling column, the first assembling column is embedded into the corresponding assembling groove, the upper cover corresponds to be formed with a first limiting column, first spacing post is corresponding to be located the inboard department of boss, the upper cover corresponds first screwed hole forms there is the second screwed hole, the lower cover corresponds first screwed hole forms there is the third screwed hole, the lower cover corresponds the lower shed's assembly groove forms there is the second assembly post, the embedding of second assembly post corresponds the assembly groove, the lower cover corresponds and is formed with the spacing post of second, the spacing post of second corresponds and is located the inboard department of boss, the upper cover with between the mesochite the lower cover with still be equipped with seal gasket between the mesochite.
Further, the battery unit is a 18650 battery.
Furthermore, the material of the middle shell is aluminum alloy.
Furthermore, a plurality of joints are formed on the middle shell and the lower cover, and the joints are waterproof joints.
Furthermore, a switch is arranged on the middle shell close to the position of the upper cover, the switch is of a waterproof structure, supporting plates are arranged below two sides of the switch on the inner wall of the middle shell, the upper cover corresponds to the supporting plates, third assembling columns matched with the supporting plates are formed, and a baffle is formed between the third assembling columns.
Furthermore, sealing glue is arranged between the upper cover and the middle shell and between the lower cover and the middle shell.
Further, a positioning groove is formed at the bottom of the lower cover.
By adopting the scheme, the utility model has the beneficial effects that: the structure is firm and can obtain fine sealed and water-proof effects, avoids inside battery damage, the short circuit scheduling problem that causes of steam invasion battery module.
Drawings
Fig. 1 is a first structural diagram of an embodiment of the present invention.
Fig. 2 is a second structural diagram according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an upper cover according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of an upper opening of a middle case according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a lower cover according to an embodiment of the utility model.
Fig. 6 is a schematic structural view of a lower opening of a middle case according to an embodiment of the present invention.
Detailed Description
The utility model is described in detail below with reference to the figures and the specific embodiments.
Referring to fig. 5 in conjunction with fig. 1, in the present embodiment, the present invention provides a battery module with good waterproof and sealing performance, including: upper cover 1, mesochite 2 and lower cover 3, mesochite 2 is both ends open-ended tube-shape, upper cover 1 and lower cover 3 are located respectively the upper shed and the lower opening department of mesochite 2, upper cover 1, mesochite 2 and lower cover 3 cooperation form an accommodation space, the accommodation space is used for holding lithium cell, battery support and PCB board, 2 inner walls of mesochite are formed with the protruding structure 21 of a plurality of rectangular shapes, the tip of protruding structure 21 is respectively in upper shed and lower opening department form first screw hole, upper shed and lower opening department all form a supporting platform 22, the last boss 24 that is formed with of supporting platform, boss 24 will supporting platform 22 separate into the outside and inboard, the outside of boss 24 is formed with assembly groove 23, upper cover 1 corresponds the assembly groove 23 of upper shed is formed with first erection column 13, first erection column 13 imbeds correspondingly the assembly groove, the upper cover 1 corresponds and is formed with first spacing post 14, first spacing post 14 corresponds and is located the inboard department of boss 24, upper cover 1 corresponds first screw hole forms and is equipped with second screw hole 12, lower cover 3 corresponds first screw hole forms and is equipped with third screw hole 31, lower cover 3 corresponds lower open-ended assembly slot forms and is equipped with second assembly post 33, second assembly post 33 embedding corresponds assembly slot 23, lower cover 3 corresponds and is formed with spacing post 34 of second, the spacing post 34 of second corresponds and is located the inboard department of boss 24, upper cover 1 with between the mesochite 2 the lower cover 3 with still be equipped with seal gasket between the mesochite 2.
Further, the battery unit is a 18650 battery.
Further, the material of the middle shell 2 is aluminum alloy.
Furthermore, a plurality of joints are formed on the middle shell 2 and the lower cover 3, and the joints are waterproof joints.
Further, be close to upper cover 1 position department be equipped with the switch on the mesochite 2, the switch has waterproof construction, mesochite 2 inner wall is in the below of switch both sides is equipped with backup pad 25, upper cover 1 corresponds backup pad 25 is formed with matched with third erection column 15, two be formed with baffle 16 between the third erection column 15, can its subregion shelter from the effect, keep apart the switch with inside battery unit.
Furthermore, sealing glue is arranged between the upper cover 1 and the middle shell 2 and between the lower cover 3 and the middle shell 2, so that a better sealing effect can be achieved.
Further, a positioning groove is formed at the bottom of the lower cover 3, and can be used for subsequent installation and positioning.
With reference to fig. 1 to 6, in the present embodiment, the upper cover 1 and the middle case 2, and the lower cover 3 and the middle case 2 are fixed by screw fastening, and during the assembly of the upper cover 1 and the middle case 2, the first assembling column 13 and the second assembling column 33 are respectively disposed on two sides of the boss 24 of the upper opening, and can cooperate with the boss 24 to achieve the functions of limiting and preventing movement, and cooperate with the sealing gasket to achieve a better waterproof sealing effect.
In conclusion, the beneficial effects of the utility model are as follows: the structure is firm and can obtain fine sealed and water-proof effects, avoids inside battery damage, the short circuit scheduling problem that causes of steam invasion battery module.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a battery module that waterproof sealing performance is good which characterized in that includes: the upper cover, the middle shell and the lower cover, the middle shell is in a cylinder shape with two open ends, the upper cover and the lower cover are respectively arranged at the upper opening and the lower opening of the middle shell, the upper cover, the middle shell and the lower cover are matched to form an accommodating space, the accommodating space is used for accommodating a lithium battery unit, a battery bracket and a PCB (printed circuit board), the inner wall of the middle shell is formed with a plurality of strip-shaped protruding structures, the end parts of the protruding structures are respectively arranged at the upper opening and the lower opening to form a first screw hole, the upper opening and the lower opening both form a supporting platform, the supporting platform is provided with a boss, the boss separates the supporting platform into an outer side and an inner side, the outer side of the boss is provided with an assembling groove, the upper cover corresponds to the assembling groove of the upper opening, the assembling groove is embedded into the corresponding assembling groove, the upper cover corresponds to be provided with a first limit column, first spacing post is corresponding to be located the inboard department of boss, the upper cover corresponds first screwed hole forms there is the second screwed hole, the lower cover corresponds first screwed hole forms there is the third screwed hole, the lower cover corresponds the lower shed's assembly groove forms there is the second assembly post, the embedding of second assembly post corresponds the assembly groove, the lower cover corresponds and is formed with the spacing post of second, the spacing post of second corresponds and is located the inboard department of boss, the upper cover with between the mesochite the lower cover with still be equipped with seal gasket between the mesochite.
2. The battery module with good waterproof and sealing performances as claimed in claim 1, wherein the battery unit is a 18650 battery.
3. The battery module with good waterproof and sealing performances as claimed in claim 1, wherein the middle shell is made of aluminum alloy.
4. The battery module according to any one of claims 1 to 3, wherein a plurality of joints are formed on the middle case and the lower cover, and the joints are waterproof joints.
5. The battery module according to any one of claims 1 to 3, wherein a switch is disposed on the middle case at a position close to the upper cover, the switch has a waterproof structure, support plates are disposed on the inner wall of the middle case below two sides of the switch, third fitting posts are formed on the upper cover corresponding to the support plates, and a baffle is formed between the third fitting posts.
6. The battery module with good waterproof and sealing performances according to any one of claims 1 to 3, wherein a sealant is further arranged between the upper cover and the middle shell and between the lower cover and the middle shell.
7. The battery module with good waterproof and sealing performance according to any one of claims 1 to 3, wherein a positioning groove is formed at the bottom of the lower cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220234815.6U CN216980744U (en) | 2022-01-27 | 2022-01-27 | Battery module that waterproof sealing performance is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220234815.6U CN216980744U (en) | 2022-01-27 | 2022-01-27 | Battery module that waterproof sealing performance is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216980744U true CN216980744U (en) | 2022-07-15 |
Family
ID=82353521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220234815.6U Active CN216980744U (en) | 2022-01-27 | 2022-01-27 | Battery module that waterproof sealing performance is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216980744U (en) |
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2022
- 2022-01-27 CN CN202220234815.6U patent/CN216980744U/en active Active
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