CN216250994U - Battery pack sealing structure of two-wheeled electric vehicle - Google Patents
Battery pack sealing structure of two-wheeled electric vehicle Download PDFInfo
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- CN216250994U CN216250994U CN202122092526.5U CN202122092526U CN216250994U CN 216250994 U CN216250994 U CN 216250994U CN 202122092526 U CN202122092526 U CN 202122092526U CN 216250994 U CN216250994 U CN 216250994U
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- cover plate
- middle frame
- mounting groove
- groove
- sealing
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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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Abstract
The utility model relates to the field of two-wheeled electric vehicle battery packs, in particular to a two-wheeled electric vehicle battery pack sealing structure which comprises a middle frame, a sealing strip and a cover plate, wherein one side of the middle frame is open, the cover plate is provided with a mounting groove along the edge of the cover plate facing the open side of the middle frame, and the mounting groove is matched with the edge of the open side of the middle frame; still be provided with the spacing groove in the mounting groove, the sealing strip setting is provided with spacing portion in the mounting groove and corresponding the spacing groove. The sealing strip is used for replacing the sealing glue, so that the installation process is simple and convenient, and secondary operation caused by glue overflow is avoided; through the matching of the sealing strips and the mounting grooves, the gaps between the cover plate and the middle frame can be filled through self elastic deformation after the cover plate and the middle frame are matched and pressed; through the spacing portion that sets up the sealing strip and the spacing groove of mounting groove, when apron and center cooperation, the sealing strip can not break away from or squint because of elastic deformation to guarantee good sealed effect.
Description
Technical Field
The utility model relates to the field of two-wheeled electric vehicle battery packs, in particular to a two-wheeled electric vehicle battery pack sealing structure.
Background
Along with the development of lithium ion battery technology, lithium iron phosphate battery obtains the wide application in two-wheeled electric motor car field, because lithium iron phosphate battery is higher to airtight requirement, if meet airtight failure problem, easily cause whole battery package short circuit, cause the safety problem.
The sealing of two-wheeled electric motor car battery package in the existing market mostly adopts to beat to glue and seals, beats sealed glue on center or battery package apron side, back locking battery package apron. The gluing sealing mode needs to be put into equipment for operation, and after the cover plate of the battery pack is locked, the problem of glue overflow is easy to occur; the field wiping operation difficulty is higher due to the higher viscosity of the sealant.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the battery pack sealing structure of the two-wheeled electric vehicle can replace a sealant, reduce sealing operation and is convenient to use and reliable in sealing.
In order to solve the technical problems, the utility model adopts the technical scheme that: a battery pack sealing structure of a two-wheeled electric vehicle comprises a middle frame, a sealing strip and a cover plate, wherein one side of the middle frame is open, an installation groove is formed in the cover plate along the edge of the cover plate facing the open side of the middle frame, and the installation groove is matched with the edge of the open side of the middle frame; still be provided with the spacing groove in the mounting groove, the sealing strip sets up in the mounting groove and corresponds the spacing groove and be provided with spacing portion.
Furthermore, the mounting groove is open towards the outer side of the cover plate, and the limiting groove is arranged on one side of the mounting groove, which faces towards the upper part of the cover plate; the sealing strip further comprises a sealing portion, the sealing portion is matched with the mounting groove, and one side, facing the upper portion of the cover plate, of the sealing portion is connected with a limiting portion.
Further, the mounting groove is L-shaped; one side of the sealing part and the limiting part is tightly attached to the vertical groove wall of the mounting groove.
Furthermore, one side of the sealing part, which is far away from the cover plate, is provided with a first deformation groove, and one side of the limiting part, which faces the cover plate, is provided with a second deformation groove.
Further, the middle frame is connected with the cover plate through bolts.
Furthermore, the inner wall of the middle frame is provided with a convex bolt mounting seat, and the cover plate is provided with a bolt hole corresponding to the bolt mounting seat.
Further, the bolt installation seat extends along the length direction of the inner wall of the middle frame.
Furthermore, the mounting groove is provided with a first abdicating recess corresponding to the bolt mounting seat; the sealing strip is provided with the second sunken of stepping down corresponding to the bolt mount pad.
Further, the sealing strip is made of foam.
The utility model has the beneficial effects that: the sealing strip is used for replacing the sealing glue, so that the installation process is simple and convenient, and secondary operation caused by glue overflow is avoided; through the matching of the sealing strips and the mounting grooves, the gaps between the cover plate and the middle frame can be filled through self elastic deformation after the cover plate and the middle frame are matched and pressed; by arranging the limiting part of the sealing strip and the limiting groove of the mounting groove, the sealing strip cannot be separated or deviated due to elastic deformation when the cover plate is matched with the middle frame, so that a good sealing effect is ensured; meanwhile, the space in the mounting groove is irregular due to the arrangement of the limiting groove, so that gas or liquid is blocked when passing through the mounting groove, and the whole sealing can be assisted.
Drawings
Fig. 1 is an exploded view of a two-wheeled electric vehicle battery pack sealing structure according to an embodiment of the present invention;
fig. 2 is a sectional view of the mounting groove of the sealing structure of the battery pack for the two-wheeled electric vehicle according to the embodiment of the present invention in cooperation with the sealing strip.
Description of reference numerals:
1. a bolt; 2. a cover plate; 3. a sealing strip; 4. a middle frame; 5. mounting grooves; 6. a limiting groove; 7. a limiting part; 8. a sealing part; 9. a first deformation groove; 10. a second deformed recess; 11. a bolt mounting seat; 12. bolt holes; 13. a first abdicating recess (not shown); 14. and the second abdicating recess.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 and 2, the two-wheeled electric vehicle battery pack sealing structure comprises a middle frame 4, a sealing strip 3 and a cover plate 2, wherein one side of the middle frame 4 is open, an installation groove 5 is formed in the side, facing the open side of the middle frame 4, of the cover plate 2 along the edge of the cover plate, and the installation groove 5 is matched with the edge of the open side of the middle frame 4; still be provided with spacing groove 6 in the mounting groove 5, sealing strip 3 sets up in mounting groove 5 and corresponds spacing groove 6 and be provided with spacing portion 7.
From the above description, the beneficial effects of the present invention are: the sealing strip 3 is used for replacing sealing glue, so that the installation process is simple and convenient, and secondary operation caused by glue overflow is avoided; through the matching of the sealing strip 3 and the mounting groove 5, the gap between the cover plate 2 and the middle frame 4 can be filled by self elastic deformation after the cover plate 2 and the middle frame 4 are matched and pressed; by arranging the limiting part 7 of the sealing strip 3 and the limiting groove 6 of the mounting groove 5, the sealing strip 3 cannot be separated or deviated due to elastic deformation when the cover plate 2 is matched with the middle frame 4, so that a good sealing effect is ensured; meanwhile, the space in the mounting groove 5 is irregular due to the arrangement of the limiting groove 6, so that gas or liquid is blocked when passing through the mounting groove, and the whole sealing can be assisted.
Further, the mounting groove 5 is open towards the outer side of the cover plate 2, and the limiting groove 6 is arranged on one side of the mounting groove 5 towards the upper part of the cover plate 2; sealing strip 3 still includes sealing 8, sealing 8 and mounting groove 5 looks adaptation, sealing 8 is connected with spacing portion 7 towards apron 2 upper portion one side.
As can be seen from the above description, when the cover plate 2 is engaged with the middle frame 4, the user can observe whether the sealing strip 3 in the installation groove 5 completely fills the gap between the cover plate 2 and the middle frame 4 through the open side of the installation groove 5 facing the outside of the cover plate 2; the sealing of the whole structure is ensured by the compression deformation of the sealing part 8 of the sealing strip 3 when the cover plate 2 is matched with the middle frame 4.
Further, the mounting groove 5 is L-shaped; one sides of the sealing part 8 and the limiting part 7 are tightly attached to the vertical groove wall of the mounting groove 5.
As can be seen from the above description, one side of the sealing part 8 and the limiting part 7 is tightly attached to the vertical groove wall of the mounting groove 5, so that the sealing strip 3 is tightly matched with the mounting groove 5.
Further, one side of the sealing part 8, which is far away from the cover plate 2, is provided with a first deformation groove 9, and one side of the limiting part 7, which faces the cover plate 2, is provided with a second deformation groove 10.
As is apparent from the above description, by the provision of the first deforming groove 9 and the second deforming groove 10, after the sealing portion 8 and the stopper portion 7 are compressed, the stopper portion 7 and the sealing portion 8 can be rapidly expanded toward both sides and fill the gap between the cover plate 2 and the center frame 4.
Further, the middle frame 4 is connected with the cover plate 2 through bolts 1.
As can be seen from the above description, the bolt 1 connection between the middle frame 4 and the cover plate 2 ensures the matching state between the middle frame 4 and the cover plate 2, so that the sealing strip 3 is kept pressed.
Furthermore, the inner wall of the middle frame 4 is provided with a convex bolt mounting seat 11, and the cover plate 2 is provided with a bolt hole 12 corresponding to the bolt mounting seat 11.
As can be seen from the above description, during assembly, the bolt 1 penetrates through the bolt hole 12 of the cover plate 2, so as to lock into the bolt mounting seat 11 on the inner wall of the middle frame 4, and the middle frame 4 is connected with the bolt 1 of the cover plate 2.
Further, the bolt installation seat 11 extends along the length direction of the inner wall of the middle frame 4.
As can be seen from the above description, the bolt mounting seat 11 extends along the length direction of the inner wall of the middle frame 4, so as to form a reinforcing rib on the inner wall of the middle frame 4, thereby providing a locking space and enhancing the strength of the middle frame 4. Specifically, the upper end of the bolt mounting seat 11 is provided with threads, and the lower end of the bolt mounting seat 11 is of a solid structure.
Further, the mounting groove 5 is provided with a first abdicating recess 13 corresponding to the bolt mounting seat 11; the sealing strip 3 is provided with a second abdicating recess 14 corresponding to the bolt mounting seat 11.
As can be seen from the above description, the interference of the sealing strip 3 on the installation of the bolt 1 is avoided by the arrangement of the first and second abdicating recesses 13 and 14.
Further, the sealing strip 3 is made of foam.
Referring to fig. 1 and 2, a first embodiment of the present invention is:
as shown in fig. 1 and 2, the two-wheeled electric vehicle battery pack sealing structure of the embodiment includes a middle frame 4, a sealing strip 3 and a cover plate 2, wherein one side of the middle frame 4 is open, the cover plate 2 is provided with an installation groove 5 along the edge of the cover plate 2 facing the open side of the middle frame 4, and the installation groove 5 is matched with the edge of the open side of the middle frame 4; still be provided with spacing groove 6 in the mounting groove 5, sealing strip 3 sets up in mounting groove 5 and corresponds spacing groove 6 and be provided with spacing portion 7.
As shown in fig. 2, the mounting groove 5 is open towards the outer side of the cover plate 2, and the limiting groove 6 is arranged on one side of the mounting groove 5 towards the upper part of the cover plate 2; sealing strip 3 still includes sealing 8, sealing 8 and mounting groove 5 looks adaptation, sealing 8 is connected with spacing portion 7 towards apron 2 upper portion one side.
As shown in fig. 2, the mounting groove 5 is L-shaped; one sides of the sealing part 8 and the limiting part 7 are tightly attached to the vertical groove wall of the mounting groove 5.
As shown in fig. 2, a first deformation groove 9 is provided on a side of the sealing portion 8 away from the cover plate 2, and a second deformation groove 10 is provided on a side of the limiting portion 7 facing the cover plate 2.
As shown in fig. 1, the middle frame 4 is connected with the cover plate 2 through bolts 1.
As shown in fig. 1, a convex bolt mounting seat 11 is arranged on the inner wall of the middle frame 4, and a bolt hole 12 is formed on the cover plate 2 corresponding to the bolt mounting seat 11.
As shown in fig. 1, the bolt mounting seat 11 extends along the length direction of the inner wall of the middle frame 4.
As shown in fig. 1, the mounting groove 5 is provided with a first abdicating recess 13 corresponding to the bolt mounting seat 11; the sealing strip 3 is provided with a second abdicating recess 14 corresponding to the bolt mounting seat 11.
The sealing strip 3 is made of foam.
Sealing strip 3 is fixed in battery package apron 2 mounting groove 5 through spacing groove 6 in battery package apron 2's the mounting groove 5 in, will organize in advance battery package apron 2 and sealing strip 3 through 1 lock on the center 4 of bolt, exert axial force to apron 2 through bolt 1, compress the sealing strip between center 4 and apron 2, fill the clearance between apron 2 and center 4 after making sealing strip 3 warp, reach the sealed demand of two-wheeled electric motor car battery package IP 67.
In conclusion, the sealing structure for the battery pack of the two-wheeled electric vehicle provided by the utility model has the advantages that the sealing strip is used for replacing the sealing glue, so that the installation process is simple and convenient, and secondary operation caused by glue overflow is avoided; through the matching of the sealing strips and the mounting grooves, the gaps between the cover plate and the middle frame can be filled through self elastic deformation after the cover plate and the middle frame are matched and pressed; by arranging the limiting part of the sealing strip and the limiting groove of the mounting groove, the sealing strip cannot be separated or deviated due to elastic deformation when the cover plate is matched with the middle frame, so that a good sealing effect is ensured; meanwhile, due to the arrangement of the limiting groove, the space in the mounting groove is irregular, so that gas or liquid is blocked when passing through the mounting groove, and the whole sealing can be assisted; the mounting groove is opened towards the outer side of the cover plate, so that the filling condition of the sealing strip in the mounting groove can be observed conveniently; the rapid deformation of the sealing strip is realized by arranging the first deformation groove and the second deformation groove; the bolt connection between the middle frame and the cover plate is realized through the matching of the bolt mounting seat on the inner wall of the middle frame and the bolt hole of the cover plate, so that the downward pressure applied to the sealing strip is ensured, and the sealing strip is kept in a filling state; the extension of the bolt mounting seat is arranged to form a reinforcing rib on the inner wall of the middle frame, so that the strength of the middle frame is improved; through setting up first sunken and the second sunken of stepping down, reduce the interference to the bolt installation.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (9)
1. A two-wheeled electric vehicle battery pack sealing structure is characterized by comprising a middle frame, a sealing strip and a cover plate, wherein one side of the middle frame is open, the cover plate is provided with a mounting groove along the edge of the cover plate facing the open side of the middle frame, and the mounting groove is matched with the edge of the open side of the middle frame; still be provided with the spacing groove in the mounting groove, the sealing strip sets up in the mounting groove and corresponds the spacing groove and be provided with spacing portion.
2. The two-wheeled electric vehicle battery pack sealing structure of claim 1, wherein the mounting groove is open towards the outer side of the cover plate, and the limiting groove is arranged on one side of the mounting groove towards the upper part of the cover plate; the sealing strip further comprises a sealing portion, the sealing portion is matched with the mounting groove, and one side, facing the upper portion of the cover plate, of the sealing portion is connected with a limiting portion.
3. The two-wheeled electric vehicle battery pack sealing structure of claim 2, wherein the mounting groove is L-shaped; one side of the sealing part and the limiting part is tightly attached to the vertical groove wall of the mounting groove.
4. The two-wheeled electric vehicle battery pack sealing structure of claim 2, wherein a first deformation groove is formed in a side of the sealing portion away from the cover plate, and a second deformation groove is formed in a side of the limiting portion facing the cover plate.
5. The two-wheeled electric vehicle battery pack sealing structure of claim 1, wherein the center frame is bolted to the cover plate.
6. The two-wheeled electric vehicle battery pack sealing structure of claim 5, wherein the inner wall of the middle frame is provided with a protruding bolt mounting seat, and the cover plate is provided with a bolt hole corresponding to the bolt mounting seat.
7. The two-wheeled electric vehicle battery pack sealing structure of claim 6, wherein the bolt mounting seat extends along a length direction of an inner wall of the middle frame.
8. The two-wheeled electric vehicle battery pack sealing structure of claim 6, wherein the mounting groove is provided with a first relief recess corresponding to the bolt mounting seat; the sealing strip is provided with the second sunken of stepping down corresponding to the bolt mount pad.
9. The two-wheeled electric vehicle battery pack sealing structure of claim 1, wherein the sealing strip is made of foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122092526.5U CN216250994U (en) | 2021-09-01 | 2021-09-01 | Battery pack sealing structure of two-wheeled electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122092526.5U CN216250994U (en) | 2021-09-01 | 2021-09-01 | Battery pack sealing structure of two-wheeled electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216250994U true CN216250994U (en) | 2022-04-08 |
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ID=80984461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122092526.5U Active CN216250994U (en) | 2021-09-01 | 2021-09-01 | Battery pack sealing structure of two-wheeled electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216250994U (en) |
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2021
- 2021-09-01 CN CN202122092526.5U patent/CN216250994U/en active Active
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