CN219917384U - Shell structure of energy storage battery - Google Patents
Shell structure of energy storage battery Download PDFInfo
- Publication number
- CN219917384U CN219917384U CN202321059838.9U CN202321059838U CN219917384U CN 219917384 U CN219917384 U CN 219917384U CN 202321059838 U CN202321059838 U CN 202321059838U CN 219917384 U CN219917384 U CN 219917384U
- Authority
- CN
- China
- Prior art keywords
- sealing
- retaining ring
- energy storage
- upper cover
- lower shell
- 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.)
- Active
Links
- 238000004146 energy storage Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 61
- 210000001503 joint Anatomy 0.000 claims description 4
- 210000000352 storage cell Anatomy 0.000 claims 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000007864 aqueous solution Substances 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect 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 utility model discloses a shell structure of an energy storage battery, which comprises a lower shell and an upper cover, wherein the bottom end opening side of the upper cover comprises an inner retaining ring, the inner retaining ring is attached and sealed to the inner side wall of the lower shell, the inner retaining ring comprises a plurality of sealing pieces protruding towards the inner cavity of the upper cover, the sealing pieces are concavely provided with connecting holes for connecting locking accessories, one end of the connecting holes, which is positioned in the inner cavity of the upper cover, is a closed end, and one end, which is oriented to the lower shell, of the connecting holes is an open end; the connection hole is isolated from the outside of the case. Can keep apart connecting hole and lock annex in the external world of casing through the blind end of closure spare, can effectually prevent that water from entering into inside the casing from the connecting hole gap, promote battery case's waterproof grade.
Description
Technical Field
The utility model belongs to the field of battery shells, and particularly relates to a shell structure of an energy storage battery.
Background
The battery core module such as a lithium battery or a lead storage battery can be assembled and then put into the battery shell, the battery shell comprises a lower shell and an upper cover, and connecting holes are formed in the walls of the upper cover and the lower shell and used for enabling screws to penetrate through the upper cover and then be connected with the connecting holes of the lower shell, so that the lower shell and the upper cover can be in butt joint.
However, since the connection hole is directly connected to the inner cavity of the case, when the battery case is immersed in an environment where the water pressure is large, the aqueous solution can still infiltrate into the inner cavity of the battery case from the gap between the connection hole and the screw, so that the waterproof level thereof is difficult to be improved.
Therefore, this scheme provides one kind and can prevent that aqueous solution from penetrating to the battery housing structure in the battery chamber in the gap of connecting hole, promotes the waterproof grade of battery housing.
Disclosure of Invention
The utility model aims to: in order to overcome the defects in the prior art, the utility model provides the shell structure of the energy storage battery, the connecting hole and the locking accessory can be isolated from the outside of the shell through the closed end of the sealing piece, water can be effectively prevented from entering the inside of the shell from the gap of the connecting hole, and the waterproof grade of the shell of the battery is improved.
The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the utility model is as follows:
the shell structure of the energy storage battery comprises a lower shell and an upper cover, wherein the bottom end opening side of the upper cover comprises an inner retaining ring, the inner retaining ring is attached and sealed to the inner side wall of the lower shell, the inner retaining ring comprises a plurality of sealing pieces protruding towards the inner cavity of the upper cover, the sealing pieces are concavely provided with connecting holes for connecting locking accessories, one end of the connecting holes, which is positioned in the inner cavity of the upper cover, is a closed end, and one end, which is oriented towards the lower shell, of the connecting holes is an open end; the connection hole is isolated from the outside of the case.
Further, the closure is sealingly disposed with the inner clasp.
Further, the closure is integrally formed with the inner clasp.
Further, the closure is a clinch element and the closure is clinched to the inner snap ring.
Further, the inner retaining ring is provided with a lateral sealing ring, and the lateral sealing ring is in sealing contact with the inner side wall of the lower shell.
Further, the lateral sealing ring is disposed between the bottom end opening side of the inner grommet and the closure.
Further, the lateral sealing ring is also disposed between the top open side of the lower shell and the closure.
Further, the inner retaining ring is biased to the inner side of the outer edge outline of the upper cover, the inner retaining ring and the upper cover form a step-shaped pressing surface, an end face sealing ring is arranged on the pressing surface, and the end face sealing ring is in sealing contact with the upper end face of the lower shell in the butt joint state of the upper cover and the lower shell.
Further, a through hole for the lock accessory to pass through is formed in the lower shell corresponding to the connecting hole.
Further, the connecting hole is an internal threaded hole.
The beneficial effects are that: the utility model can isolate the connecting hole and the screw locking accessory from the outside of the shell through the sealing piece, specifically, the connecting hole is separated from the inner cavity of the shell through the sealing piece, so that water can be effectively prevented from entering the inside of the shell from the gap of the connecting hole, and the waterproof grade of the battery shell is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is an enlarged schematic view of the structure of the part a of the present utility model.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, a shell structure of an energy storage battery comprises a lower shell 1 and an upper cover 2, wherein the bottom end opening side of the upper cover 2 comprises an inner retaining ring 3, the inner retaining ring 3 is matched with the opening side profile of the lower shell 1, the inner retaining ring 3 is attached and sealed on the inner side wall of the lower shell 1, and the inner retaining ring is attached and sealed on the inner wall of the lower shell for placing aqueous solution into the shell.
The inner retaining ring 3 comprises a plurality of sealing pieces 4 protruding towards the inner cavity of the upper cover, the sealing pieces are distributed at intervals in the circumferential direction of the inner retaining ring, the sealing pieces 4 are arranged at intervals on the opening side of the bottom end of the inner retaining ring 3, the sealing pieces 4 are concavely provided with connecting holes 5 for connecting locking accessories, one end of each connecting hole, which is positioned in the inner cavity of the upper cover, is a closed end, and one end, which is oriented towards the lower shell, of each connecting hole is an open end; the connecting hole is separated from the inner cavity of the shell through the closed end of the sealing piece, the connecting hole, the screw and other locking accessories are isolated from the outside of the shell, water can be effectively prevented from entering the shell from a gap between the connecting hole and the locking accessory, and therefore the waterproof grade of the battery shell is improved, and the battery can be used in a high water pressure environment.
The sealing piece 4 and the inner retaining ring 3 are arranged in a sealing way, so that no gap exists between the sealing piece 4 and the inner retaining ring 3, and the sealing waterproof performance is ensured. Specifically, the method at least comprises the following two embodiments:
embodiment a: the closure 4 is integrally formed with the inner clasp 3.
Embodiment b: the sealing piece 4 is a press rivet piece, one end of the sealing piece is opened, the other end of the sealing piece is closed, the sealing piece 4 is press-riveted on the inner retaining ring 3, the opening side of the sealing piece faces the outer side of the upper cover, and the closed end of the sealing piece is located on the inner side of the upper cover.
The connecting hole 5 is an internal threaded hole. The lower shell 1 is provided with a through hole 9 corresponding to the connecting hole 5 for a locking accessory to pass through, and the locking accessory is a screw or a bolt and the like.
Be provided with side direction sealing ring 6 on the interior buckle 3, just side direction sealing ring 6 sealing contact is in the inside wall of inferior valve 1, interior buckle 3 indent is equipped with the groove structure that is used for installing side direction sealing ring 6, promotes the contact surface sealing ability of interior buckle 3 and inferior valve 1 through side direction sealing ring 6, and the infiltration solution that also can be further prevent connecting hole department enters into the casing inner chamber from the contact surface between interior buckle and the inferior valve to promote waterproof nature.
The upper cover seals up in the inferior valve in the side direction, under high water pressure environment, and ambient water pressure extrudees the inferior valve, can make the inferior valve paste more closely in interior buckle 3, has also further increased the sealing performance of upper cover and inferior valve contact surface, and aqueous solution that can be further prevent connecting hole department is to the contact surface infiltration.
Specifically, the lateral sealing ring 6 is at least arranged between the opening side of the bottom end of the inner retaining ring and the sealing piece 4, so that the water seepage solution at the connecting hole is prevented from entering the inner cavity of the shell from the contact surface between the inner retaining ring and the lower shell.
The lateral sealing ring 6 is also arranged between the top opening side of the lower shell 1 and the sealing piece 4, so that the sealing performance between the upper cover and the lower cover is improved.
The inner retaining ring 3 is biased to the inner side of the outer edge outline of the upper cover 2, the inner retaining ring 3 and the upper cover 2 form a step-shaped pressing surface 7, an end face sealing ring 8 is arranged on the pressing surface 7, and in the butt joint state of the upper cover and the lower shell, the end face sealing ring 8 is in sealing contact with the upper end face of the lower shell 1, so that the sealing performance between the upper cover and the lower cover is improved.
The foregoing is only a preferred embodiment of the utility model, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.
Claims (10)
1. An energy storage battery's shell structure, its characterized in that: the inner retaining ring (3) is attached to and sealed on the inner side wall of the lower shell (1), a plurality of sealing pieces (4) protruding towards the inner cavity of the upper cover are arranged on the inner retaining ring (3), connecting holes (5) for connecting locking pieces are concavely formed in the sealing pieces (4), one end of the connecting holes, located in the inner cavity of the upper cover, is a closed end, and one end, facing the lower shell, of the connecting holes is an open end; the connection hole is isolated from the outside of the case.
2. The housing structure of an energy storage cell of claim 1, wherein: the sealing piece (4) is in sealing arrangement with the inner retaining ring (3).
3. The housing structure of an energy storage cell of claim 2, wherein: the sealing piece (4) and the inner retaining ring (3) are integrally formed.
4. The housing structure of an energy storage cell of claim 2, wherein: the sealing piece (4) is a press riveting piece, and the sealing piece (4) is press-riveted on the inner retaining ring (3).
5. The housing structure of an energy storage cell of claim 1, wherein: the inner retaining ring (3) is provided with a lateral sealing ring (6), and the lateral sealing ring (6) is in sealing contact with the inner side wall of the lower shell (1).
6. The housing structure of an energy storage cell of claim 5, wherein: the lateral sealing ring (6) is arranged between the opening side of the bottom end of the inner retaining ring and the closure piece (4).
7. The housing structure of an energy storage cell of claim 6, wherein: the lateral sealing ring (6) is also arranged between the top opening side of the lower shell (1) and the closure (4).
8. The housing structure of an energy storage cell of claim 1, wherein: the inner retaining ring (3) is biased to the inner side of the outer edge outline of the upper cover (2), the inner retaining ring (3) and the upper cover (2) form a step-shaped pressing surface (7), an end face sealing ring (8) is arranged on the pressing surface (7), and the end face sealing ring (8) is in sealing contact with the upper end face of the lower shell (1) in the butt joint state of the upper cover and the lower shell.
9. The housing structure of an energy storage cell of claim 1, wherein: the lower shell (1) is provided with a perforation (9) corresponding to the connecting hole (5) for the lock accessory to pass through.
10. The housing structure of an energy storage cell of claim 1, wherein: the connecting hole (5) is an internal threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321059838.9U CN219917384U (en) | 2023-05-06 | 2023-05-06 | Shell structure of energy storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321059838.9U CN219917384U (en) | 2023-05-06 | 2023-05-06 | Shell structure of energy storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219917384U true CN219917384U (en) | 2023-10-27 |
Family
ID=88426354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321059838.9U Active CN219917384U (en) | 2023-05-06 | 2023-05-06 | Shell structure of energy storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219917384U (en) |
-
2023
- 2023-05-06 CN CN202321059838.9U patent/CN219917384U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |