CN214957086U - Battery cover plate capable of saving space and secondary battery - Google Patents
Battery cover plate capable of saving space and secondary battery Download PDFInfo
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- CN214957086U CN214957086U CN202120513764.6U CN202120513764U CN214957086U CN 214957086 U CN214957086 U CN 214957086U CN 202120513764 U CN202120513764 U CN 202120513764U CN 214957086 U CN214957086 U CN 214957086U
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- post
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- pole
- battery
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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 a technical field of battery apron discloses battery apron and secondary battery who saves space, and the battery apron includes: the utility model discloses a battery pole mounting structure, including apron body and two utmost point post installation portions that the interval set up, the upper surface of apron body is sunken formation downwards the utmost point post installation portion, utmost point post installation portion includes utmost point post rib and utmost point post through-hole, utmost point post rib connects the apron body with the bottom of utmost point post installation portion, utmost point post through-hole is located the bottom of utmost point post installation portion supplies anodal post or the negative pole post of battery to pass. The utility model connects the cover plate body and the bottom of the pole mounting part through the pole reinforcing part, and the intensity of the pole position is enhanced through the concave arrangement, so that the battery cover plate is firmer and is not easy to deform in the production or welding process; the pole is arranged in the sunken pole mounting part, so that the space above the upper surface of the battery cover plate is saved, and the battery cover plate is more favorable for being applied to various occasions with high space requirements.
Description
Technical Field
The patent of the utility model relates to a technical field of battery apron particularly, relates to battery apron and secondary battery who saves space.
Background
A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material. Because the chemical properties of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high, and the lithium battery becomes the mainstream at present along with the development of scientific technology.
Among the prior art, the battery apron closing cap generally includes battery apron and two utmost point posts at battery housing's upper end opening, and two utmost point posts wear to establish respectively in the battery apron, and the inner of utmost point post extends to battery housing's inside, is connected with the electric core in the casing, and outside the outer end of utmost point post extended to battery apron for be connected with external element, the inner of utmost point post was then connected with electric core through the connection piece.
In the existing battery cover plate structure, the position of a pole is higher than that of a cover plate surface, and the structure greatly occupies the space above the cover plate; and in the battery cover plate structure, the bigger the cover plate is, the more easily the position of the pole is deformed, and the danger of liquid leakage is easily caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery apron and secondary battery who saves space aims at solving among the prior art battery apron and takes place the problem of deformation easily in utmost point post position.
The utility model discloses a realize like this, battery apron in space-saving, include: the utility model discloses a battery pole mounting structure, including apron body and two utmost point post installation portions that the interval set up, the upper surface of apron body is sunken formation downwards the utmost point post installation portion, utmost point post installation portion includes utmost point post rib and utmost point post through-hole, utmost point post rib connects the apron body with the bottom of utmost point post installation portion, utmost point post through-hole is located the bottom of utmost point post installation portion supplies anodal post or the negative pole post of battery to pass.
Optionally, the upper bottom of the pole mounting portion is recessed downwards to form a pole mounting hole, and the pole mounting hole surrounds the pole through hole.
Optionally, the position of utmost point post mounting hole near utmost point post through-hole is provided with the flange, the flange encircles utmost point post through-hole arranges, the flange is higher than the bottom of utmost point post mounting hole.
Optionally, the lower bottom surface of utmost point post installation department is sunken upwards and is formed into the annular sunken, the sunken inboard of annular with utmost point post through-hole communicates with each other.
Optionally, the bottom of utmost point post installation department is equipped with annular protruding portion, annular protruding portion encircles utmost point post through-hole arranges, annular protruding portion the inboard with utmost point post through-hole is separated by certain distance, annular protruding portion the outside with be formed with annular groove between the utmost point post reinforcing part.
Optionally, the top of the annular protrusion is higher than the upper surface of the cover plate body.
Optionally, the lower surface of apron body is formed with the depressed area, the lower bottom surface of utmost point post installation department is in the depressed area.
Optionally, a lower plastic plate is installed below the cover plate body, the lower plastic plate comprises an upwardly convex plate body and a fixing plate extending from the plate body, the plate body is installed in the recessed area, and the fixing plate is connected with the lower surface of the cover plate body.
Optionally, lower plastic plate has two spaced depressed parts, the depressed part follow the upper surface of lower plastic plate is sunken downwards for hold the bottom of utmost point post installation department.
The secondary battery based on the space-saving battery cover plate further comprises a positive pole and a negative pole, wherein the positive pole and the negative pole are installed in the pole installation part of the battery cover plate, and the tops of the positive pole and the negative pole are not higher than the upper surface of the battery cover plate.
Compared with the prior art, the space-saving battery cover plate provided by the utility model has the advantages that the cover plate body and the bottom of the pole mounting part are connected through the pole reinforcing part, and the intensity of the pole position is enhanced through the concave arrangement, so that the battery cover plate is firmer and is not easy to deform in the production or welding process; the pole is arranged in the sunken pole mounting part, so that the space above the upper surface of the battery cover plate is saved, and the battery cover plate is more favorable for being applied to various occasions with high space requirements. And after the battery cover plate is assembled into a battery, the phenomenon of battery bulging is also improved, so that the battery is safer.
Drawings
Fig. 1 is a schematic perspective view of a battery cover plate and a lower plastic plate according to the present invention;
fig. 2 is a schematic cross-sectional view of a space-saving battery cover plate at the position of a post mounting portion according to the present invention;
fig. 3 is a schematic cross-sectional view of another embodiment of a space-saving battery cover plate provided by the present invention;
fig. 4 is a partial perspective view of another embodiment of a space-saving battery cover plate according to the present invention;
fig. 5 is a schematic view of the back of fig. 4.
Description of reference numerals:
100-cover plate body, 110-concave area, 120-edge sealing and 121-nail hole;
200-pole mounting portion, 210-pole reinforcement portion, 220-pole through hole, 230-pole mounting hole, 240-flange, 250-annular recess, 260-annular protrusion, 261-annular groove;
300-lower plastic plate, 310-plate body, 320-fixing plate, 321-stud and 330-recessed portion.
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 the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1-5, the preferred embodiment of the present invention is shown.
A space-saving battery cover plate, comprising: the utmost point post installation department 200 that apron body 100 and two intervals set up, the upper surface of apron body 100 is sunken down and forms into utmost point post installation department 200, and utmost point post installation department 200 includes utmost point post rib 210 and utmost point post through-hole 220, and utmost point post rib 210 connects the bottom of apron body 100 with utmost point post installation department 200, and utmost point post through-hole 220 locates the bottom of utmost point post installation department 200, supplies the positive post or the negative pole post of battery to pass.
According to the space-saving battery cover plate provided by the embodiment, the pole reinforcing part 210 is connected with the bottom of the cover plate body 100 and the bottom of the pole mounting part 200, and the recessed arrangement enhances the strength of the pole position, so that the battery cover plate is firmer and is not easy to deform in the production or welding process; the terminal is mounted in the recessed terminal mounting portion 200, so that the space above the upper surface of the battery cover plate is saved, and the battery cover plate is more favorable for being applied to various occasions with high space requirements. After the battery cover plate is assembled into a battery, the phenomenon that the battery is likely to bulge and deform when air pressure exists in the battery is also improved, so that the battery is safer.
The pole reinforcing portion 210 is similar to a bent structure, so that the connection strength between the pole mounting portion 200 and the cover plate body 100 is enhanced, and the battery cover plate is more firmly and difficultly deformed in the production or welding process.
Further, a rib may be provided at the position of the pole reinforcing portion 210, the rib may extend from the lid body 100 to the pole mounting portion 200, and the rib may be provided above or below the pole reinforcing portion 210. The reinforcing rib may be integrally formed with the pole reinforcing portion 210, or a reinforcing rib may be provided on the pole reinforcing portion 210. The setting of strengthening rib has further strengthened the battery cover board near the intensity of utmost point post position, and more firmly difficult emergence is deformed.
Specifically, the upper bottom of the post mounting portion 200 is recessed downward to form a post mounting hole 230, and the post mounting hole 230 is arranged around the post through hole 220. The pole mounting hole 230 is formed as a counter bore at the bottom of the pole mounting part 200, and the inside of the pole mounting hole 230 communicates with the pole through hole 220. The positive pole or the negative pole of the battery is inserted into the pole through hole 220, and the upper part of the pole is welded or riveted in the pole mounting hole 230, so that the space above the upper surface of the battery cover plate is saved.
A flange 240 is disposed at a position of the pole mounting hole 230 close to the pole through hole 220, the flange 240 is disposed around the pole through hole 220, and the flange 240 is higher than the bottom of the pole mounting hole 230. The flange 240 is arranged to effectively protect the edge of the pole through hole 220, and the pole is welded more firmly.
The lower bottom surface of the post mounting part 200 is recessed upwards to form an annular recess 250, the inner side of the annular recess 250 is communicated with the post through hole 220, and the annular recess 250 is recessed from the lower bottom surface of the post mounting part 200 towards the outside of the battery, so that the post can be mounted conveniently.
In another embodiment, the bottom of the pole mounting part 200 is provided with an annular protrusion 260, the annular protrusion 260 is arranged around the pole through hole 220, the inner side of the annular protrusion 260 is spaced from the pole through hole 220, and an annular groove 261 is formed between the outer side of the annular protrusion 260 and the pole reinforcing part 210. The battery post is inserted into the post through hole 220 and mounted inside the annular protrusion 260, for example, by caulking.
Alternatively, the top of the annular protrusion 260 is higher than the upper surface of the cap body 100, and the top of the pole is lower than the top of the annular protrusion 260. Therefore, the installation part of the pole is well protected, and the space above the battery cover plate is saved.
A recessed region 110 is formed in the lower surface of the cover body 100, and the lower bottom surface of the post mount 200 is located in the recessed region 110. The cover plate body 100 is integrally convex in the middle and has a sealing edge 120 at the periphery, and the concave area 110 is located on the lower surface of the middle convex part of the cover plate body 100. The structure of the middle bulge improves the phenomenon that the battery is likely to bulge and deform when air pressure exists in the battery, so that the battery is safer.
A lower plastic plate 300 is installed below the cap body 100, the lower plastic plate 300 includes an upwardly protruding plate body 310 and a fixing plate 320 extending from the plate body 310, the plate body 310 is installed in the recessed area 110, and the fixing plate 320 is connected to the lower surface of the cap body 100. Lower plastic board 300 is whole to be middle arch, the structure that has stationary blade 320 all around, lower plastic board 300's middle bellying is installed in the depressed area 110 of apron body 100, lower plastic board 300's stationary blade 320 and apron body 100's banding 120 fixed connection, for example screw connection, riveting, welding etc. also can set up nail post 321 on stationary blade 320, be provided with nail hole 121 in the relevant position of banding 120, nail post 321 wears to establish nail hole 121, realize apron body 100 and lower plastic board 300's laminating.
Specifically, the lower plastic plate 300 has two spaced recesses 330, the recesses 330 are recessed downward from the upper surface of the lower plastic plate 300, and the recesses 330 correspond to the bottom of the post mounting portion 200 and are used for accommodating the bottom of the post mounting portion 200.
The utility model also provides a secondary battery, including above-mentioned battery apron and anodal post, the negative pole post that saves space, anodal post and negative pole post are installed in the utmost point post installation department 200 of battery apron, and the top of anodal post and negative pole post is all not higher than the upper surface of battery apron. After the battery cover plate is assembled into a secondary battery, the phenomenon of battery swelling is improved, and the battery is safer.
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. Space-saving battery cover plate, its characterized in that includes: the utility model discloses a battery pole mounting structure, including apron body and two utmost point post installation portions that the interval set up, the upper surface of apron body is sunken formation downwards the utmost point post installation portion, utmost point post installation portion includes utmost point post rib and utmost point post through-hole, utmost point post rib connects the apron body with the bottom of utmost point post installation portion, utmost point post through-hole is located the bottom of utmost point post installation portion supplies anodal post or the negative pole post of battery to pass.
2. The space-saving battery cover plate according to claim 1, wherein the upper bottom of the post mounting portion is recessed downward to form a post mounting hole, and the post mounting hole is arranged around the post through hole.
3. The space-saving battery cover plate of claim 2, wherein a flange is disposed at a position of the pole mounting hole close to the pole through hole, the flange is arranged around the pole through hole, and the flange is higher than the bottom of the pole mounting hole.
4. The space-saving battery cover plate according to claim 3, wherein the lower bottom surface of the post mounting portion is recessed upward to form an annular recess, and the inner side of the annular recess is communicated with the post through hole.
5. The space-saving battery cover plate of claim 1, wherein the bottom of the post mounting portion is provided with an annular protrusion, the annular protrusion is arranged around the post through hole, the inner side of the annular protrusion is spaced from the post through hole by a certain distance, and an annular groove is formed between the outer side of the annular protrusion and the post reinforcing portion.
6. The space-saving battery cap plate according to claim 5, wherein the top of the annular protrusion is higher than the upper surface of the cap plate body.
7. The space-saving battery cover plate according to any one of claims 1 to 6, wherein a recessed region is formed on the lower surface of the cover plate body, and the lower bottom surface of the post mounting portion is located in the recessed region.
8. The space-saving battery cover plate according to claim 7, wherein a lower plastic plate is mounted below the cover plate body, the lower plastic plate comprises an upwardly convex plate body and a fixing piece extending from the plate body, the plate body is mounted in the recessed area, and the fixing piece is connected with the lower surface of the cover plate body.
9. The space-saving battery cover plate of claim 8, wherein the lower plastic plate has two spaced recesses recessed downwardly from an upper surface of the lower plastic plate for receiving the bottom portions of the post mounting portions.
10. The secondary battery of the space-saving battery cover plate according to any one of claims 1 to 9, further comprising a positive post and a negative post, wherein the positive post and the negative post are mounted on the post mounting portion of the battery cover plate, and the tops of the positive post and the negative post are not higher than the upper surface of the battery cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120513764.6U CN214957086U (en) | 2021-03-09 | 2021-03-09 | Battery cover plate capable of saving space and secondary battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120513764.6U CN214957086U (en) | 2021-03-09 | 2021-03-09 | Battery cover plate capable of saving space and secondary battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214957086U true CN214957086U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120513764.6U Active CN214957086U (en) | 2021-03-09 | 2021-03-09 | Battery cover plate capable of saving space and secondary battery |
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| Country | Link |
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| CN (1) | CN214957086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284610A (en) * | 2021-12-24 | 2022-04-05 | 中创新航科技股份有限公司 | Battery cover plate assembly, battery and battery pack |
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2021
- 2021-03-09 CN CN202120513764.6U patent/CN214957086U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284610A (en) * | 2021-12-24 | 2022-04-05 | 中创新航科技股份有限公司 | Battery cover plate assembly, battery and battery pack |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220914 Address after: 352100 Xingang Road, Zhangwan Town, Jiaocheng District, Ningde, Fujian 2 Patentee after: Contemporary Amperex Technology Co.,Ltd. Address before: 399 Minghu Road, Jintan District, Changzhou City, Jiangsu Province Patentee before: Changzhou Redford Precision Technology Co.,Ltd. |