CN218827488U - Battery top cap and battery of sealed preferred - Google Patents
Battery top cap and battery of sealed preferred Download PDFInfo
- Publication number
- CN218827488U CN218827488U CN202222771516.9U CN202222771516U CN218827488U CN 218827488 U CN218827488 U CN 218827488U CN 202222771516 U CN202222771516 U CN 202222771516U CN 218827488 U CN218827488 U CN 218827488U
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- Prior art keywords
- top cover
- pole
- battery
- cover plate
- plastic part
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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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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to the technical field of battery top covers, a battery top cover and a battery with better sealing performance are disclosed, which comprises a top cover plate and a pole, wherein the top cover plate is provided with a mounting hole, the mounting hole penetrates through the top cover plate from top to bottom, the middle part of the pole is sleeved with a plastic part, the middle part of the pole is arranged in the mounting hole in a penetrating way, the plastic part is clamped between the middle part of the pole and the inner side wall of the mounting hole, the lower part of the pole extends to the lower part of the top cover plate, the periphery of the lower part of the pole extends outwards to form a lower ring part, and an annular interval is arranged between the lower ring part and the top cover plate; the bottom of the plastic part extends outwards to form a lower ring sleeve, the lower ring sleeve is arranged around the circumference of the plastic part, and the lower ring sleeve is embedded in the annular interval; the top of plastic part outwards extends has the ring cover, goes up the ring cover and encircles the circumference of plastic part and arrange, goes up the ring cover top-down butt at the upper surface of top cap piece, like this, utilizes the plastic part of centre gripping between top cap piece and utmost point post, realizes good sealed, the battery top cap sealing performance of formation preferred.
Description
Technical Field
The utility model relates to a technical field particularly, relates to battery top cap and battery of sealed preferred.
Background
The battery includes battery top cap, casing and electric core, and wherein the battery top cap includes top cap piece and sets up the utmost point post on the top cap piece, and wherein, the utmost point post is as one of the important component structure of battery, and the result of connection is good or bad, will directly influence the result of use and the life of battery, so the assembly between top cap piece and the utmost point post is just very important.
Among the prior art, the in-process of the assembly of utmost point post and top cap piece, utmost point post and welding ring are preceding the rubber coating integrative taking shape, and then with welding ring and top cap piece welded fastening to the realization is installed utmost point post on the top cap piece. In the welding process, poor phenomena such as insufficient solder and welding spot occur easily, the whole operation is complex, and the sealing performance after molding is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery top cap of sealed preferred aims at solving prior art, the relatively poor problem of battery top cap leakproofness.
The utility model is realized in such a way that the battery top cover with better sealing performance comprises a top cover plate and a pole, wherein the top cover plate is provided with a mounting hole, and the mounting hole vertically penetrates through the top cover plate; the middle part of the pole is sleeved with a plastic part, the middle part of the pole is arranged in the mounting hole in a penetrating mode, the plastic part is clamped between the middle part of the pole and the inner side wall of the mounting hole, and the thickness of the plastic part is 0.02 mm-3 mm;
the lower part of the pole column extends to the lower part of the top cover plate, the periphery of the lower part of the pole column extends outwards to form a lower ring part, the lower ring part is arranged around the circumference of the pole column, and an annular interval is formed between the lower ring part and the top cover plate; the bottom of the plastic part extends outwards to form a lower ring sleeve, the lower ring sleeve is arranged around the circumference of the plastic part, and the lower ring sleeve is embedded in the annular interval; the top of the plastic part extends outwards to form an upper ring sleeve, the upper ring sleeve is arranged around the circumference of the plastic part, and the upper ring sleeve is abutted to the upper surface of the top cover plate from top to bottom.
Optionally, the lower ring sleeve is clamped between the upper surface of the lower ring portion and the lower surface of the top cover piece, and the thickness of the upper ring sleeve is 0.02mm to 3mm.
Optionally, a lower protrusion protrudes downward from the lower surface of the top cover sheet, and the lower protrusion is pressed downward and embedded into the lower collar.
Optionally, an upper protrusion protrudes upward from an upper surface of the lower ring portion, and the upper protrusion is upwardly pressed and embedded in the lower ring sleeve.
Optionally, the upper protrusions and the lower protrusions are arranged in a vertically staggered manner.
Optionally, the inner side wall of the mounting hole is recessed outwards to form an outer notch groove; the outer gap groove penetrates through the top cover plate from top to bottom, and the periphery of the plastic part is embedded into the outer gap groove.
Optionally, the inner side wall of the mounting hole is formed with a plurality of outer notched grooves, and the plurality of outer notched grooves are arranged at intervals along the circumferential direction of the mounting hole.
Optionally, the middle part of the pole is provided with a peripheral side wall, and the plastic part is sleeved on the peripheral side wall; the periphery lateral wall is sunken formation internal gap groove inwards, the inside wall embedding of plastic part is in the internal gap groove.
Optionally, the upper portion of utmost point post extends to the top of top cap piece up, the upper portion of utmost point post forms upper ring portion through riveting soon or turn-up, turn-ups, turning over, bending, blank pressing, upper ring portion encircles the circumference of utmost point post and arranges, upper ring portion top-down is pressing the upper ring cover.
The battery comprises a shell and a battery top cover which is covered on the shell, wherein the battery top cover is the battery top cover with better sealing.
Compared with the prior art, the utility model provides a battery top cap of sealed preferred, through being equipped with the mounting hole, the mounting hole can supply utmost point post installation, is equipped with the plastic part on the mounting hole simultaneously, and the plastic part is held between the middle part of utmost point post and the inside wall of mounting hole, and the ring cover embedding is in annular interval down, and it is on the upper surface of top cap piece to fit with a contraceptive ring cover top-down butt, and like this, utilize the plastic part of centre gripping between top cap piece and utmost point post, realize good sealing, the battery top cap sealing performance preferred of formation, just the utility model discloses need not the welding, can rivet soon the top of utmost point post after the assembly is accomplished, turn-up, turn-ups, realize sealed, whole easy operation and shaping back leakproofness preferred.
Drawings
Fig. 1 is a schematic sectional view of a battery top cap with better sealing provided by the present invention;
fig. 2 is a schematic perspective view of a pole provided by the present invention;
fig. 3 is a schematic perspective view of the mounting hole provided by the present invention;
fig. 4 is a schematic sectional view of the battery top cap with better sealing provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc., indicating directions or positional relationships based on those shown in the drawings, it is only for convenience of description and simplicity of description, but not for indicating or implying that the indicated device or element must have a specific direction, be constructed in a specific direction, and operate, and therefore the terms describing the positional relationships in the drawings are used only for illustrative purposes and are not to be construed as limitations of the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1-4, the preferred embodiment of the present invention is shown.
The utility model provides a battery top cover with better sealing, which comprises a top cover plate 100 and a pole column 101, wherein the top cover plate 100 is provided with a mounting hole 102, and the mounting hole 102 vertically penetrates through the top cover plate 100; the middle part of the pole 101 is sleeved with a plastic part 104, the middle part of the pole 101 penetrates through the mounting hole 102, the plastic part 104 is clamped between the middle part of the pole 101 and the inner side wall of the mounting hole 102, and the thickness of the plastic part is 0.02 mm-3 mm;
the lower part of the pole 101 extends to the lower part of the top cover plate 100, a lower ring part 105 extends outwards from the periphery of the lower part of the pole 101, the lower ring part 105 is arranged around the circumference of the pole 101, and an annular interval is formed between the lower ring part 105 and the top cover plate 100; a lower annular sleeve 106 extends outwards from the bottom of the plastic part 104, the lower annular sleeve 106 is arranged around the circumference of the plastic part 104, and the lower annular sleeve 106 is embedded in the annular space; the top of the plastic part 104 extends outwards to form an upper ring sleeve 107, the upper ring sleeve 107 is arranged around the circumference of the plastic part 104, and the upper ring sleeve 107 abuts against the upper surface of the top cover plate 100 from top to bottom.
Above-mentioned battery top cap of sealed preferred that provides, through being equipped with mounting hole 102, mounting hole 102 can supply utmost point post 101 to install, is equipped with plastic part 104 on mounting hole 102 simultaneously, and plastic part 104 is by the centre gripping between the middle part of utmost point post 101 and the inside wall of mounting hole 102, and the embedding of lower ring cover 106 is in annular interval, and it is at the upper surface of top cap piece 100 to fit with a contraceptive ring cover 107 top-down butt, and like this, utilize the plastic part 104 of centre gripping between top cap piece 100 and utmost point post 101, realize good sealing, the battery top cap sealing performance preferred of formation, just the utility model discloses need not the welding, can rivet soon the top of utmost point post 101 after the assembly is accomplished, turn-up, turn-ups, realize sealed, the leakproofness preferred after overall operation is simple and the shaping.
The plastic part 104 is made of teflon or rubber coating or injection molding, and can play a role in sealing and fixing.
The lower collar 106 is clamped between the upper surface of the lower ring portion 105 and the lower surface of the top cover sheet 100, the upper collar having a thickness of 0.02mm to 3mm. Thus, the space between the lower ring part 105 and the top cover plate 100 is sealed, and the lower ring part 105 is prevented from contacting the top cover plate 100, thereby preventing short circuit.
The lower surface of the top coversheet 100 has downwardly projecting lower projections 108. The lower projections 108 are pressed downwardly into engagement with the lower collars 106. Therefore, the lower protrusion 108 is matched with the lower ring sleeve 106, the torsion resistance and the sealing performance of the pole 101 are improved, and the lower protrusion 108 is formed by adopting a die in a upsetting mode.
The upper surface of the lower ring part 105 is protruded with an upper protrusion 109, and the upper protrusion 109 is pressed and embedded on the lower ring sleeve 106. Thus, the upper protrusion 109 is press-fitted to the lower ring sleeve 106, so that the torsion resistance and the sealing performance of the pole 101 are improved, and the upper protrusion 109 is formed by using a die in a stamping manner.
Specifically, the upper protrusion 109 and the lower protrusion 108 are arranged in a vertically offset manner. The upper bulge 109 is matched with the lower ring sleeve 106, and the upper bulge 109 is in press fit with the lower ring sleeve 106 and is arranged in a vertically staggered manner, so that the limiting effect can be achieved, the torsion resistance is improved, and the sealing performance is ensured.
The inner side wall of the mounting hole 102 is recessed outwards to form an outer notch groove 110; the outer notch groove 110 penetrates the top cover sheet 100 up and down, and the outer circumference of the plastic member 104 is embedded in the outer notch groove 110. The mounting hole 102 is provided with an outer notched groove 110, and the outer notched groove 110 can be used for embedding the plastic part 104, so that the torsion resistance of the pole 101 is improved, the torsion of the pole 101 is avoided, and a certain limiting effect on the pole 101 can be achieved.
The inner side wall of the mounting hole 102 is formed with a plurality of outer notched grooves 110, and the plurality of outer notched grooves 110 are arranged at intervals along the circumferential direction of the mounting hole 102. Thus, the mounting hole 102 can be provided with a plurality of circumferentially spaced outer notched grooves 110, which can improve the torsion resistance of the pole 101 and ensure the sealing performance as required.
The middle part of the pole 101 is provided with a peripheral side wall, and the plastic part 104 is sleeved on the peripheral side wall; the peripheral side wall is recessed inward to form an inner notch groove 111, and the inner side wall of the plastic part 104 is embedded in the inner notch groove 111. Like this, can form interior breach groove 111 on the periphery lateral wall, have one or more interior breach groove 111 on the periphery lateral wall, when utmost point post 101 takes place to twist, because in breach groove 111 including the inside wall embedding of plastic part 104, breach groove 111 in the plastic part 104 cooperation can play the torsional confining force of a restriction to utmost point post 101, unless plastic part 104 breaks, utmost point post 101 is difficult to take place to twist, the effectual antitorque performance that improves utmost point post 101 has guaranteed sealing performance.
The upper portion of utmost point post 101 extends to the top of top cover plate 100 up, and the upper portion of utmost point post 101 is through riveting soon or turn-ups, turning over, bending, blank pressing, forms ring portion 112, and ring portion 112 encircles the circumference of utmost point post 101 and arranges, and ring portion 112 top-down is pressing upper ring cover 107. Referring to fig. 4, the upper ring portion 112 is not formed when the upper ring portion 112 is formed, the upper portion of the pole 101 is formed by riveting, crimping, flanging, folding, bending and edge pressing, so that welding is not needed, the top cover piece 100 and the pole 101 are matched, bad phenomena caused by welding are avoided, sealing performance is good, and the formed upper ring portion 112 is pressed on the upper ring sleeve 107, so that sealing performance is guaranteed.
The battery comprises a shell and a battery top cover which is covered on the shell, wherein the battery top cover is the battery top cover with better sealing performance. Thus, the formed battery top cover has good sealing performance and can be realized without welding.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The battery top cover with better sealing performance is characterized by comprising a top cover plate and a pole, wherein the top cover plate is provided with a mounting hole which vertically penetrates through the top cover plate; the middle part of the pole is sleeved with a plastic part, the middle part of the pole is arranged in the mounting hole in a penetrating mode, the plastic part is clamped between the middle part of the pole and the inner side wall of the mounting hole, and the thickness of the plastic part is 0.02 mm-3 mm;
the lower part of the pole column extends to the lower part of the top cover plate, the periphery of the lower part of the pole column extends outwards to form a lower ring part, the lower ring part is arranged around the circumference of the pole column, and an annular interval is formed between the lower ring part and the top cover plate; the bottom of the plastic part extends outwards to form a lower ring sleeve, the lower ring sleeve is arranged around the circumference of the plastic part, and the lower ring sleeve is embedded in the annular interval; the top of the plastic part extends outwards to form an upper ring sleeve, the upper ring sleeve is arranged around the circumference of the plastic part, and the upper ring sleeve is abutted to the upper surface of the top cover plate from top to bottom.
2. The battery top cap with better sealing of claim 1, wherein the lower ring is clamped between the upper surface of the lower ring part and the lower surface of the top cover plate, and the thickness of the upper ring is 0.02mm to 3mm.
3. The battery top cover with better sealing as claimed in claim 1, wherein the lower surface of the top cover plate is provided with a downward bulge which is downwards pressed and embedded into the lower ring sleeve.
4. The battery top cover with better sealing of claim 3, characterized in that, the upper surface of the lower ring part is provided with an upper bulge which protrudes upwards and is embedded on the lower ring sleeve in an upward pressing way.
5. The better sealed battery top cap of claim 4, wherein the upper and lower protrusions are offset from each other.
6. The battery top cap with a better seal according to any one of claims 1 to 5, characterized in that the inner side wall of the mounting hole is recessed outwards to form an external notch groove; the outer gap groove penetrates through the top cover plate from top to bottom, and the periphery of the plastic part is embedded into the outer gap groove.
7. The battery top cap with a better seal according to claim 6, wherein the inner side wall of the mounting hole is formed with a plurality of the outer notched grooves, which are arranged at intervals along the circumferential direction of the mounting hole.
8. The battery top cap with better seal according to any one of claims 1 to 5, characterized in that the middle part of the pole post is provided with a peripheral side wall, and the plastic piece is sleeved on the peripheral side wall; the periphery lateral wall is sunken inwards and is formed interior breach groove, the inside wall embedding of plastic part is in including the breach groove.
9. The battery top cover with better sealing as claimed in any one of claims 1 to 5, wherein the upper part of the pole extends upwards to the upper part of the top cover plate, the upper part of the pole is riveted or crimped, flanged, folded, bent and pressed to form an upper ring part, the upper ring part is arranged around the circumference of the pole, and the upper ring part is pressed against the upper ring sleeve from top to bottom.
10. A battery comprising a housing and a battery top cover for covering the housing, wherein the battery top cover is the sealed and preferred battery top cover of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222771516.9U CN218827488U (en) | 2022-10-20 | 2022-10-20 | Battery top cap and battery of sealed preferred |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222771516.9U CN218827488U (en) | 2022-10-20 | 2022-10-20 | Battery top cap and battery of sealed preferred |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218827488U true CN218827488U (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222771516.9U Active CN218827488U (en) | 2022-10-20 | 2022-10-20 | Battery top cap and battery of sealed preferred |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218827488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116960581A (en) * | 2023-09-21 | 2023-10-27 | 常州瑞德丰精密技术有限公司 | Method for assembling battery top cover assembly |
-
2022
- 2022-10-20 CN CN202222771516.9U patent/CN218827488U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116960581A (en) * | 2023-09-21 | 2023-10-27 | 常州瑞德丰精密技术有限公司 | Method for assembling battery top cover assembly |
| CN116960581B (en) * | 2023-09-21 | 2023-11-21 | 常州瑞德丰精密技术有限公司 | Method for assembling battery top cover assembly |
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