CN214848813U - Mounting structure and energy storage battery of battery terminal - Google Patents
Mounting structure and energy storage battery of battery terminal Download PDFInfo
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- CN214848813U CN214848813U CN202120889230.3U CN202120889230U CN214848813U CN 214848813 U CN214848813 U CN 214848813U CN 202120889230 U CN202120889230 U CN 202120889230U CN 214848813 U CN214848813 U CN 214848813U
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- terminal
- cover plate
- mounting structure
- battery
- hole
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- 238000004146 energy storage Methods 0.000 title claims abstract description 28
- 239000012212 insulator Substances 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 12
- 238000009434 installation Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
Abstract
The utility model discloses a mounting structure and energy storage battery of battery terminal, this battery terminal's mounting structure includes: a cover plate, an upper insulator and a terminal. The cover plate is provided with a through hole, and at least two first bosses are arranged on the cover plate; the upper insulating part is attached to the cover plate; the terminal is riveted at the through hole, and compresses the cover plate and the upper insulating member when riveting so that the first boss can be embedded into the upper insulating member. This energy storage battery includes the mounting structure of above battery terminal, with first boss embedding to last insulating part when riveting through the terminal, makes the terminal and last insulating part and apron can stabilize and be connected, improves the anti torsional properties of terminal, and then can improve energy storage battery's reliability, extension energy storage battery's life. The utility model provides a battery terminal simple structure need not set up the firm connection that extra spare part can realize the terminal, and then improves the antitorque commentaries on classics performance of terminal, simplifies processing and assembly process.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a mounting structure and energy storage battery of battery terminal.
Background
The energy storage battery has the advantages of high-rate charge and discharge, environmental protection, small volume, light weight and the like, and is widely produced and used by more and more people. In the actual use process, a plurality of batteries are generally required to be assembled together in series or in parallel, so as to achieve the power required by the electric appliance. In the prior art, the insulating part and the cover plate are riveted together through the terminal, but in the process of assembling the battery module at the later stage, the phenomenon of relative torsion between the battery terminal and the cover plate is easily caused, the welding strength between the tab and the current collecting plate is reduced, the resistance internal resistance is increased, the battery is seriously heated in the use process, even the phenomena of fire and explosion are caused, and the service life is influenced.
Therefore, it is desirable to design a mounting structure of a battery terminal to solve the above-mentioned technical problems in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mounting structure of battery terminal, this mounting structure of battery terminal anti-twist reverse performance is strong, simple structure, and the good reliability can prolong the life of battery.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a mounting structure of battery terminal, this mounting structure of battery terminal includes:
the cover plate is provided with a through hole, and at least two first bosses are arranged on the cover plate;
the upper insulating piece is attached to the upper surface of the cover plate;
and the terminal is riveted at the through hole and compresses the cover plate and the upper insulating piece during riveting so that the first boss can be embedded into the upper insulating piece.
As a preferred scheme, the through hole is a stepped hole, and the first boss is arranged on a step surface of the stepped hole.
As a preferred scheme, the first bosses are uniformly distributed along the circumferential direction of the stepped surface.
Preferably, the first bosses are arranged on the cover plate at equal intervals in a radial direction of the through hole.
Preferably, the first boss is of a frustum pyramid structure.
Preferably, the terminal includes a main body portion, a first protruding portion, and a second protruding portion;
when the terminal is riveted, the main body part penetrates through the through hole, and the cover plate and the upper insulating part are both partially arranged between the first protruding part and the second protruding part.
As a preferable scheme, the mounting structure of the battery terminal further comprises a lower insulating part, and one side of the cover plate, which is close to the lower insulating part, is provided with at least two second bosses;
the terminal compresses the cap plate and the lower insulator when riveted so that the second boss is embedded in the lower insulator.
Preferably, the upper insulator is disposed coaxially with the first protrusion, and the lower insulator is disposed coaxially with the second protrusion;
the projection area of the upper insulating piece on the cover plate is not smaller than that of the first protruding part on the cover plate; the projection area of the lower insulating member on the cover plate is not smaller than the projection area of the second protrusion on the cover plate.
As a preferable scheme, the sealing device further comprises a sealing ring, and the sealing ring is arranged on the inner wall of the through hole.
Another object of the present invention is to provide an energy storage battery, which improves the reliability of the energy storage battery and prolongs the service life of the energy storage battery.
To achieve the purpose, the utility model adopts the following technical proposal:
an energy storage battery comprises the battery terminal mounting structure.
The beneficial effects of the utility model reside in that: the utility model provides a mounting structure of battery terminal, through set up two at least first bosss on the apron, make the terminal at riveted in-process, first boss on the apron can inlay and establish in the insulating part, and then when taking place to twist reverse, through the riveting of terminal and the structure of insulating part in the embedding of first boss, can offset and twist reverse, the antitorque commentaries on classics performance of battery terminal has been improved, and simultaneously, first boss and apron integrated into one piece, need not increase the firm connection that extra locking spare part can realize battery terminal and last insulating part, make the simple structure of battery terminal, easily processing and assembly.
The utility model provides an energy storage battery, through the mounting structure of the battery terminal more than adopting, and then improve the antitorque commentaries on classics performance of terminal, reinforcing energy storage battery's reliability to extension energy storage battery's life.
Drawings
Fig. 1 is an exploded view of a mounting structure of a battery terminal provided in an embodiment of the present invention;
fig. 2 is a sectional view of a mounting structure of a battery terminal in an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at I;
fig. 4 is a plan view of a mounting structure of a battery terminal according to an embodiment of the present invention;
FIG. 5 is a front view of a cover plate in an embodiment of the present invention;
fig. 6 is a partial enlarged view of II in fig. 5.
Reference numerals:
1-cover plate; 11-a through hole; 12-step surface; 13-a first boss;
2-upper insulation;
3-a terminal; 31-a first projection; 32-a second projection; 33-a groove; 34-a body portion;
4-a lower insulator;
5-sealing ring.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not 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 thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Example one
As shown in fig. 1 to 3, the present embodiment provides a mounting structure of a battery terminal, including: a cover plate 1, an upper insulator 2, and a terminal 3. The cover plate 1 is provided with a through hole 11, and the cover plate 1 is provided with at least two first bosses 13; the upper insulating part 2 is attached to the upper surface of the cover plate 1; the terminal 3 is riveted at the through hole 11, and the cap plate 1 and the upper insulator 2 are pressed when riveted, so that the first boss 13 is embedded in the upper insulator 2.
Specifically, when terminal 3 rivets through-hole 11 department on apron 1, terminal 3 can compress tightly apron 1 and last insulator 2, and then make first boss 13 on the apron 1 can imbed in insulator 2, make last insulator 2 and first boss 13 form stable structure, increase the frictional force between apron 1 and the last insulator 2, thereby make in-process of assembling the battery make go up insulator 2 and first boss 13 can not take place the phenomenon that the relative torsion slided, and then make and keep the state of compressing tightly between terminal 3 and last insulator 2 and the apron 1, make terminal 3 and last insulator 2 and apron 1 can be connected firmly, improve the anti-torsion performance of terminal 3, and then can improve the reliability of battery, the life of extension battery. The battery terminal in the embodiment has a simple installation structure, the stable connection of the terminal 3 can be realized without arranging additional parts, the torsion resistance of the terminal 3 is improved, and the processing and assembling procedures are simple, convenient and easy.
As shown in fig. 1 and 4, in the present embodiment, the through hole 11 is a stepped hole, and the first boss 13 is disposed on the stepped surface 12 of the stepped hole. Exemplarily, the first bosses 13 are uniformly arranged along a circumferential direction of the stepped surface 12.
Like this when last insulator 2 and the upper surface of apron 1 laminating, go up insulator 2 and can install on ladder face 12, that is to say ladder face 12 further plays certain spacing fixed action to last insulator 2, makes last insulator 2 can install on ladder face 12 firmly. First boss 13 that the circumference direction equipartition set up, terminal 3 that can make go up the atress between insulating part 2 and the apron 1 even at the riveting in-process, avoid taking place stress concentration's phenomenon to improve terminal 3's stability can. Simultaneously first boss 13 sets up along the circumference direction equipartition of ladder face 12 and can guarantee after terminal 3 rivets, and the upper surface of terminal 3 is the horizontal plane, is favorable to the later stage to establish ties and/or equipment processes such as parallelly connected with the battery.
Further, as shown in fig. 4-6, the first boss 13 is in a frustum pyramid structure. Like this when insulating part 2 is gone up in first boss 13 embedding, because the terrace with edge has a plurality of arriss, a plurality of arriss and the contact of last insulating part 2 and extrusion can further increase the frictional force between first boss 13 and the last insulating part 2, guarantee the firm connection of apron 1 and last insulating part 2, and then can improve the anti torsional property of terminal 3.
As shown in fig. 2 to 3, the terminal 3 in the present embodiment includes a main body portion 34, a first protruding portion 31, and a second protruding portion 32; when the terminal 3 is riveted, the body portion 34 passes through the through hole 11, and both the cap plate 1 and the upper insulator 2 are partially interposed between the first protruding portion 31 and the second protruding portion 32.
Illustratively, after the terminal 3 is riveted, the terminal 3 is formed into a main body part 34, a first protruding part 31 and a second protruding part 32, and the cover plate 1 and the upper insulating member 2 are both partially installed between the first protruding part 31 and the second protruding part 32, so that the first protruding part 31 and the second protruding part 32 enable the first boss 13 on the cover plate 1 to be embedded into the upper insulating member 2 by respectively pressing the upper insulating member 2 and the cover plate 1, thereby improving the torsion resistance of the terminal 3.
Further, the mounting structure of the battery terminal in this embodiment further includes a lower insulating member 4, and at least two second bosses (not shown in the drawings) are disposed on one side of the cover plate 1 close to the lower insulating member 4; the second boss can be embedded in the lower insulator 4 to tightly couple the lower insulator 4 and the cap plate 1. Specifically, the second boss corresponds to first boss 13 one-to-one, when terminal 3 rivets like this, first boss 13 can be embedded in insulating part 2, the second boss can be embedded in insulating part 4 down, can guarantee simultaneously that the upper surface of terminal 3 is parallel with apron 1, that is to say, the upper surface of terminal 3 is in the horizontal plane position, it is even to be favorable to upper insulating part 2 and lower insulating part 4 atress in the riveting process of terminal 3, and then improve the stability of terminal 3 structure, the assembly and connection of follow-up battery of also being convenient for simultaneously.
As shown in fig. 2 to 3, in the present embodiment, the upper insulating member 2 is disposed coaxially with the first protrusion 31, and the lower insulating member 4 is disposed coaxially with the second protrusion 32; the projected area of the upper insulator 2 on the cover plate is not smaller than the projected area of the first protrusion 31 on the cover plate; the projected area of the lower insulator 4 on the cover plate is not smaller than the projected area of the second protrusion 32 on the cover plate.
Specifically, the upper insulator 2, the first protruding portion 31, the second protruding portion 32 and the lower insulator 4 are all coaxially disposed, which can ensure the structural stability of the terminal 3, so that the terminal 3 can press the upper insulator 2, the cover plate 1 and the lower insulator 4 together between the first protruding portion 31 and the second protruding portion 32 when riveted, thereby improving the torsion resistance of the terminal 3. In order to further avoid the phenomenon that the contact between the terminal 3 and the cover plate 1 is short-circuited, the projection area of the upper insulating member 2 is not smaller than that of the first protruding part 31, so that at least part of the upper insulating member 2 can be exposed out of the first protruding part 31; similarly, the projected area of the lower insulating member 4 is set to be not smaller than the projected area of the second protruding portion 32, so that at least part of the lower insulating member 4 can be exposed out of the second protruding portion 32, and further, when the terminal 3 is riveted, the first protruding portion 31 and the second protruding portion 32 do not touch the cover plate 1, thereby avoiding the short circuit of the battery and prolonging the service life of the battery.
As shown in fig. 1 to 3, the mounting structure of the battery terminal in the present embodiment further includes a packing 5, and the packing 5 is mounted on the inner wall of the through-hole 11.
In this embodiment, in order to ensure that the terminal 3 does not contact the cover plate 1 and avoid short circuit, the sealing ring 5 is added between the terminal 3 and the inner wall of the through hole 11, and the sealing ring 5 may be made of silica gel or other materials. The upper surface and the lower surface of the sealing ring 5 are respectively attached to the upper insulating part 2 and the lower insulating part 4, so that the structural stability of the terminal 3 can be further improved, and the torsion resistance of the terminal 3 is enhanced.
After the terminal 3 is riveted, a groove 33 is formed along the circumferential direction of the second protrusion 32 to increase the space inside the battery cover plate 1, thereby facilitating the installation of the cell, the electrolyte, and other elements.
Another objective of this embodiment is to provide an energy storage battery for improving the reliability and prolonging the service life of the energy storage battery, which includes the above mounting structure for the battery terminal. When a plurality of energy storage batteries are installed, the installation structure of the battery terminal of the energy storage battery has strong torsion resistance, so that the reliability of the whole energy storage battery module is enhanced, and the service life of the battery module is prolonged.
Example two
The present embodiment provides a mounting structure of a battery terminal, which is different from the first embodiment in that first bosses 13 in the present embodiment are provided on a cap plate 1 at equal intervals in the radial direction of a through-hole 11, and the first bosses 13 can be embedded in an upper insulator 2 during caulking of a terminal 3. Along the radial first boss 13 that equidistant setting of through-hole 11 can guarantee at the riveting in-process, first boss 13 atress is even, and then guarantees that terminal 3 is in horizontal position, is favorable to processes such as the battery equipment in later stage. The rest of the structure in this embodiment is the same as that in the first embodiment, and will not be described herein again.
The embodiment also provides an energy storage battery for improving the reliability of the energy storage battery and prolonging the service life of the energy storage battery, and the energy storage battery comprises the mounting structure of the battery terminal. When a plurality of energy storage batteries are installed, the installation structure of the battery terminal of the energy storage battery has strong torsion resistance, so that the reliability of the whole energy storage battery module is enhanced, and the service life of the battery module is prolonged.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. A mounting structure of a battery terminal, comprising:
the cover plate (1), the cover plate (1) is provided with a through hole (11), and the cover plate (1) is provided with at least two first bosses (13);
the upper insulating piece (2), the upper insulating piece (2) is attached to the upper surface of the cover plate (1);
the terminal (3) is riveted at the through hole (11), and the cover plate (1) and the upper insulating piece (2) are pressed tightly during riveting, so that the first boss (13) is embedded into the upper insulating piece (2).
2. The mounting structure of a battery terminal according to claim 1, wherein the through-hole (11) is a stepped hole, and the first boss (13) is provided on a stepped surface (12) of the stepped hole.
3. The mounting structure of a battery terminal according to claim 2, wherein the first bosses (13) are uniformly arranged in a circumferential direction of the stepped surface (12).
4. The mounting structure of a battery terminal according to claim 1, wherein the first bosses (13) are provided on the cap plate (1) at equal intervals in a radial direction of the through-hole (11).
5. The battery terminal mounting structure according to claim 1, wherein the first boss (13) has a prismoid-like structure.
6. The mounting structure of a battery terminal according to claim 1, wherein the terminal (3) includes a main body portion (34), a first protruding portion (31), and a second protruding portion (32);
when the terminal (3) is riveted, the main body part (34) penetrates through the through hole (11), and the cover plate (1) and the upper insulating part (2) are partially arranged between the first protruding part (31) and the second protruding part (32).
7. The mounting structure of a battery terminal according to claim 6, further comprising a lower insulator (4), wherein one side of the cap plate (1) adjacent to the lower insulator (4) is provided with at least two second bosses;
the terminal (3) compresses the cover plate (1) and the lower insulating member (4) when riveted so that the second boss is embedded in the lower insulating member (4).
8. The mounting structure of a battery terminal according to claim 7, wherein the upper insulator (2) is disposed coaxially with the first protrusion (31), and the lower insulator (4) is disposed coaxially with the second protrusion (32);
the projection area of the upper insulating piece (2) on the cover plate (1) is not smaller than that of the first protruding part (31) on the cover plate (1); the projection area of the lower insulating piece (4) on the cover plate (1) is not smaller than the projection area of the second protrusion (32) on the cover plate (1).
9. The mounting structure of battery terminals according to any one of claims 1 to 8, further comprising a sealing ring (5), the sealing ring (5) being mounted on an inner wall of the through-hole (11).
10. An energy storage battery comprising the mounting structure of a battery terminal according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120889230.3U CN214848813U (en) | 2021-04-27 | 2021-04-27 | Mounting structure and energy storage battery of battery terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120889230.3U CN214848813U (en) | 2021-04-27 | 2021-04-27 | Mounting structure and energy storage battery of battery terminal |
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| Publication Number | Publication Date |
|---|---|
| CN214848813U true CN214848813U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120889230.3U Active CN214848813U (en) | 2021-04-27 | 2021-04-27 | Mounting structure and energy storage battery of battery terminal |
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| CN (1) | CN214848813U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4191782A1 (en) * | 2021-12-02 | 2023-06-07 | Samsung SDI Co., Ltd. | Cylindrical secondary battery |
-
2021
- 2021-04-27 CN CN202120889230.3U patent/CN214848813U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4191782A1 (en) * | 2021-12-02 | 2023-06-07 | Samsung SDI Co., Ltd. | Cylindrical secondary battery |
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