CN219677416U - Two-wheeled vehicle lithium battery pack shell sealing mechanism and two-wheeled vehicle lithium battery pack - Google Patents
Two-wheeled vehicle lithium battery pack shell sealing mechanism and two-wheeled vehicle lithium battery pack Download PDFInfo
- Publication number
- CN219677416U CN219677416U CN202320291582.8U CN202320291582U CN219677416U CN 219677416 U CN219677416 U CN 219677416U CN 202320291582 U CN202320291582 U CN 202320291582U CN 219677416 U CN219677416 U CN 219677416U
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- China
- Prior art keywords
- cover plate
- gasket
- battery pack
- opening
- lithium battery
- Prior art date
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 83
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 36
- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000004078 waterproofing Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
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
- Battery Mounting, Suspending (AREA)
Abstract
The embodiment of the utility model provides a sealing mechanism for a shell of a lithium battery pack of a two-wheeled vehicle and the lithium battery pack of the two-wheeled vehicle, and belongs to the technical field of assembly of power lithium battery packs. The sealing mechanism includes: a housing for receiving a two-wheeled vehicle lithium battery pack, comprising a top opening, a bottom opening, and a sidewall connecting the top opening and the bottom opening; a top cover plate connected with the top opening to close the top opening; a bottom cover plate connected with the bottom opening to close the bottom opening; and the sealing gasket is arranged between the top cover plate and the top opening and between the bottom cover plate and the bottom opening. The utility model achieves the aim of sealing and waterproofing by compressing the sealing gasket among the top cover plate, the bottom cover plate and the shell, has stronger waterproof capability, simple structure, low manufacturing cost and convenient maintenance and disassembly.
Description
Technical Field
The utility model relates to the technical field of assembly of power lithium battery packs, in particular to a sealing mechanism of a shell of a lithium battery pack of a two-wheeled vehicle and the lithium battery pack of the two-wheeled vehicle.
Background
Compared with a lead-acid battery, the lithium battery has the obvious advantages of light weight, small volume, long service life and the like under the condition of the same endurance capacity, and along with the high-speed development of electric vehicles, the market ratio of the lithium battery in the field of two-wheelers is larger and larger by virtue of the obvious performance advantage. However, the two-wheeled electric vehicle, especially the sharing two-wheeled electric vehicle, has complex use conditions, the waterproof requirement on the battery pack is higher and higher, and once water is fed into the battery pack, the battery pack is easy to cause circuit faults and even causes short circuit to have potential safety hazards.
Most battery packs in the current market are sealed by adopting a mode of fastening by screws after being matched among shells, have certain waterproof capacity but lower waterproof grade, still can enter water when being immersed in the water packs, and still can have certain hidden danger of entering water under certain conditions when being used for a long time. Some battery packs use glue to completely seal the internal modules, so that the battery packs have strong waterproof capability, but the internal modules in the battery packs are very difficult or even impossible to maintain.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a two-wheeled vehicle lithium battery pack shell sealing mechanism and a two-wheeled vehicle lithium battery pack, and the two-wheeled vehicle lithium battery pack shell sealing mechanism can meet the high-grade sealing and waterproof requirements of the two-wheeled vehicle battery pack shell.
In order to achieve the above object, according to one aspect of the present utility model, there is provided a sealing mechanism for a lithium battery pack case of a two-wheeled vehicle, the sealing mechanism comprising:
a housing for receiving a two-wheeled vehicle lithium battery pack, comprising a top opening, a bottom opening, and a sidewall connecting the top opening and the bottom opening;
a top cover plate connected with the top opening to close the top opening;
a bottom cover plate connected with the bottom opening to close the bottom opening;
and the sealing gasket is arranged between the top cover plate and the top opening and between the bottom cover plate and the bottom opening.
Preferably, the inner side edge of the top cover plate is provided with a groove, and the sealing gasket is used for matching with the groove to complete sealing.
Preferably, screw holes are formed in the edges of the top cover plate, the sealing gasket and the top opening, and the screw holes are used for fixing and connecting the top cover plate, the sealing gasket and the top opening.
Preferably, the horizontal cross sections of the shell, the top cover plate and the sealing gasket are rectangular, and the screw holes are formed in four corners of the rectangle.
Preferably, the inner side edge of the bottom cover plate is provided with a groove, and the sealing gasket is used for matching with the groove to complete sealing.
Preferably, screw holes are formed in the edges of the bottom cover plate, the sealing gasket and the bottom opening, and the screw holes are used for fixing and connecting the bottom cover plate, the sealing gasket and the bottom opening.
Preferably, the horizontal cross sections of the shell, the bottom cover plate and the sealing gasket are rectangular, and the screw holes are formed in four corners of the rectangle.
Preferably, the gasket has at least one protrusion in cross section for mating with the groove to complete the seal.
Preferably, the two-wheeled vehicle lithium battery pack comprises a battery pack body and any one of the sealing mechanisms.
Through the technical scheme, the sealing mechanism for the shell of the lithium battery pack of the two-wheeled vehicle and the lithium battery pack of the two-wheeled vehicle are characterized in that the top cover plate, the bottom cover plate, the shell and the sealing gasket are assembled into a whole through the screw holes, the sealing gasket is clamped into the grooves of the top cover plate and the bottom cover plate, and the sealing gasket among the top cover plate, the bottom cover plate and the shell is compressed, so that the sealing waterproof effect is achieved. Compared with the prior art, the sealing gasket of the sealing mechanism is arranged in the grooves of the top cover plate and the bottom cover plate, so that the sealing gasket is prevented from being in contact with the outside, the service life of the sealing gasket is prolonged, and the sealing gasket is provided with the protrusions, so that the sealing effect of the sealing gasket is improved.
Additional features and advantages of embodiments of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain, without limitation, the embodiments of the utility model. In the drawings:
FIG. 1 is an exploded view of a two-wheeled vehicle lithium battery pack housing seal mechanism according to one embodiment of the present utility model;
FIG. 2 is a schematic illustration of a housing in a two-wheeled vehicle lithium battery pack housing seal arrangement in accordance with one embodiment of the present utility model;
FIG. 3 is a schematic view of a top cover plate in a two-wheeled vehicle lithium battery pack case sealing mechanism according to one embodiment of the present utility model;
FIG. 4 is a schematic view of a bottom cover plate in a two-wheeled vehicle lithium battery pack case sealing mechanism according to one embodiment of the present utility model;
FIG. 5 is a schematic illustration of a gasket in a two-wheeled vehicle lithium battery pack housing seal mechanism in accordance with one embodiment of the present utility model;
fig. 6 is a schematic view of a gasket boss in a two-wheeled vehicle lithium battery pack case sealing mechanism according to an embodiment of the present utility model.
Description of the reference numerals
1. Shell 2, roof cover
3. Bottom cover plate 4, gasket
5. Groove 6, screw hole
7. Projections 8, top opening
9. Bottom opening 10, side wall
Detailed Description
The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
In the embodiments of the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the positional relationship of the various components with respect to one another in the vertical, vertical or gravitational directions.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Fig. 1 is an exploded view of a two-wheeled vehicle lithium battery pack case sealing mechanism according to an embodiment of the present utility model. In this fig. 1, the sealing mechanism comprises a housing 1, a top cover plate 2, a bottom cover plate 3 and a gasket 4. The housing 1 may be used to house a two-wheeled vehicle lithium battery pack, and a schematic view of the housing 1 may be as shown in fig. 2. In this fig. 2, the housing 1 may include a top opening 8, a bottom opening 9, and a side wall 10 connecting the top opening 8 and the bottom opening 9. The top cover plate 2 is connected to the top opening 8 to close the top opening 8. The bottom cover plate 3 is connected to the bottom opening 9 to close the bottom opening 9. Gasket 4 is disposed between top cover plate 2, top opening 8, and between bottom cover plate 3, bottom opening 9. When the battery pack is installed, the sealing gasket is clamped into the top cover plate 2 and the bottom cover plate 3, then the top cover plate 2 and the bottom cover plate 3 provided with the sealing gasket 4 are installed on the shell 1, the top opening 8 of the shell 1 is in contact with the top cover plate 2, the bottom opening 9 is in contact with the bottom cover plate 3 and is in contact with the sealing gasket 4, finally the sealing gasket 4 is axially compressed, and the purpose of sealing and waterproofing is achieved through the compression of the sealing gasket 4 between the shell 1 and the top cover plate 2 and between the sealing gasket and the bottom cover plate 3.
In one embodiment of the present utility model, in order to prevent the gasket 4 from contacting the outside and to increase the service life of the gasket 4, as shown in fig. 3, the inner edge of the top cover plate 3 is provided with a groove 5, and the gasket 4 is snapped into the groove 5 to complete the sealing. The compression amount of the sealing gasket 4 is limited by the depth of the groove 5, so that the problems that the sealing gasket 5 is crushed due to overlarge compression amount and the sealing effect is poor due to overlarge compression amount are avoided during assembly, the compression amount of the sealing gasket 5 is easier to ensure during assembly, and the installation is simple.
In one embodiment of the present utility model, for various options of the connection modes of the top cover plate 2, the gasket 4 and the top opening 8, in a preferred example of the present utility model, screw connection is adopted, screw holes 6 are provided on the edges of the top cover plate 2, the gasket 4 and the top opening 8, and the top cover plate 2, the gasket 4 and the top opening 8 are assembled into one body by screws.
In one embodiment of the present utility model, the shape of the horizontal cross section of the top cover plate 2, gasket 4 and top opening 8 may be of various types known to those skilled in the art, such as: rectangular, circular, etc. In a preferred example of the present utility model, as shown in fig. 2, 3 and 5, the horizontal cross sections of the housing 1, the top cover plate 2 and the gasket 4 are rectangular in view of the manufacturing process and cost. Further, screw holes 6 are provided at four corners of the rectangle, and the top cover plate 2, the gasket 4 and the top opening 8 are fixed by the screw holes 6 using screws.
In one embodiment of the present utility model, in order to prevent the gasket 4 from contacting the outside and to increase the service life of the gasket 4, as shown in fig. 4, the inner edge of the bottom cover plate 3 is provided with a groove 5, and the gasket 4 is snapped into the groove 5 to complete the sealing.
In one embodiment of the present utility model, various options are available for the connection of the bottom cover plate 3, the gasket 4 and the bottom opening 9, and in a preferred example of the present utility model, screw connection is used, and screw holes 6 are provided on the edges of the bottom cover plate 3, the gasket 4 and the bottom opening 9, and the bottom cover plate 3, the gasket 4 and the bottom opening 9 are assembled into one body by screws.
In one embodiment of the present utility model, the shape of the horizontal cross section of the bottom cover plate 3, the gasket 4 and the bottom opening 9 may be of various types known to those skilled in the art, such as: rectangular, circular, etc. In view of the manufacturing process and cost, in a preferred example of the present utility model, as shown in fig. 2, 4 and 5, the horizontal cross sections of the case 1, the bottom cover plate 3 and the gasket 4 are rectangular. Further, screw holes 6 are provided at four corners of the rectangle, and the bottom cover plate 3, the gasket 4 and the bottom opening 9 are fixed by the screw holes 6 using screws.
In one embodiment of the present utility model, in order to increase the sealing effect of the gasket 4, as shown in fig. 6, a protrusion 7 is provided on the cross section of the gasket 4. The number of projections 7 may be a number of values known to the person skilled in the art, provided that the sealing effect is enhanced, such as: 2. 4, 6, etc. In a preferred example of the present utility model, the number of the protrusions 7 may be 6.
On the other hand, the utility model also provides a two-wheeled vehicle lithium battery pack, which comprises a battery pack body and the sealing mechanism.
Through the technical scheme, the sealing mechanism for the shell of the lithium battery pack of the two-wheeled vehicle and the lithium battery pack of the two-wheeled vehicle are characterized in that the top cover plate, the bottom cover plate, the shell and the sealing gasket are assembled into a whole through the screw holes, the sealing gasket is clamped into the grooves of the top cover plate and the bottom cover plate, the top cover plate and the bottom cover plate with the sealing gasket are arranged on the shell, and the sealing gasket between the top cover plate, the bottom cover plate and the shell is compressed, so that the sealing waterproof effect is achieved. Compared with the prior art, the sealing gasket of the sealing mechanism is arranged in the grooves of the top cover plate and the bottom cover plate, so that the sealing gasket is prevented from being in contact with the outside, the service life of the sealing gasket is prolonged, and the sealing gasket is provided with the protrusions, so that the sealing effect of the sealing gasket is improved.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model. In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.
Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.
Claims (9)
1. Two-wheeled vehicle lithium cell package shell sealing mechanism, characterized in that, sealing mechanism includes:
a housing (1) for accommodating a two-wheeled vehicle lithium battery pack, comprising a top opening (8), a bottom opening (9) and a side wall (10) connecting the top opening (8) and the bottom opening (9);
a top cover plate (2) connected to the top opening (8) to close the top opening (8);
a bottom cover plate (3) connected to the bottom opening (9) to close the bottom opening (9);
and the sealing gasket (4) is arranged between the top cover plate (2) and the top opening (8) and between the bottom cover plate (3) and the bottom opening (9).
2. Sealing mechanism according to claim 1, characterized in that the inner edge of the top cover plate (2) is provided with a groove (5), the sealing gasket (4) being adapted to cooperate with the groove (5) to complete the seal.
3. Sealing mechanism according to claim 1, characterized in that the edges of the top cover plate (2), the gasket (4) and the top opening (8) are provided with screw holes (6), which screw holes (6) are used for fixing and connecting the top cover plate (2), the gasket (4) and the top opening (8).
4. A sealing mechanism according to claim 3, wherein the horizontal cross-sections of the housing (1), the top cover plate (2) and the gasket (4) are rectangular, and the screw holes (6) are provided at four corners of the rectangle.
5. Sealing mechanism according to claim 1, characterized in that the inner edge of the bottom cover plate (3) is provided with a groove (5), the gasket (4) being adapted to cooperate with the groove (5) to complete the seal.
6. Sealing mechanism according to claim 1, characterized in that the edges of the bottom cover plate (3), the gasket (4) and the bottom opening (9) are provided with screw holes (6), which screw holes (6) are used for fixing and connecting the bottom cover plate (3), the gasket (4) and the bottom opening (9).
7. The sealing mechanism according to claim 6, wherein the horizontal cross sections of the housing (1), the bottom cover plate (3) and the gasket (4) are rectangular, and the screw holes (6) are provided at four corners of the rectangle.
8. A sealing mechanism according to claim 2 or 5, characterized in that the gasket (4) has at least one projection (7) in cross section for cooperation with the groove (5) to complete the seal.
9. A two-wheeled vehicle lithium battery pack, characterized in that the two-wheeled vehicle lithium battery pack comprises a battery pack body and the sealing mechanism according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320291582.8U CN219677416U (en) | 2023-02-17 | 2023-02-17 | Two-wheeled vehicle lithium battery pack shell sealing mechanism and two-wheeled vehicle lithium battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320291582.8U CN219677416U (en) | 2023-02-17 | 2023-02-17 | Two-wheeled vehicle lithium battery pack shell sealing mechanism and two-wheeled vehicle lithium battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219677416U true CN219677416U (en) | 2023-09-12 |
Family
ID=87897956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320291582.8U Active CN219677416U (en) | 2023-02-17 | 2023-02-17 | Two-wheeled vehicle lithium battery pack shell sealing mechanism and two-wheeled vehicle lithium battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219677416U (en) |
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2023
- 2023-02-17 CN CN202320291582.8U patent/CN219677416U/en active Active
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