CN213278204U - Battery top cap and battery - Google Patents
Battery top cap and battery Download PDFInfo
- Publication number
- CN213278204U CN213278204U CN202022361621.6U CN202022361621U CN213278204U CN 213278204 U CN213278204 U CN 213278204U CN 202022361621 U CN202022361621 U CN 202022361621U CN 213278204 U CN213278204 U CN 213278204U
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- 239000000758 substrate Substances 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims description 21
- 238000002347 injection Methods 0.000 claims description 18
- 239000007924 injection Substances 0.000 claims description 18
- 239000000919 ceramic Substances 0.000 claims description 13
- 238000000465 moulding Methods 0.000 abstract description 16
- 238000009434 installation Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 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
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- Gas Exhaust Devices For Batteries (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a battery top cap and battery, battery top cap includes: the substrate is provided with a first convex part and a second convex part, a first groove is formed at the bottom of the first convex part, and a second groove is formed at the bottom of the second convex part; the negative electrode assembly is arranged on the first convex part; the positive electrode assembly is arranged on the second convex part; and the lower plastic part is arranged at the bottom of the substrate and is provided with a third convex part and a fourth convex part, the third convex part is arranged in the first groove, and the fourth convex part is arranged in the second groove. The utility model discloses well base plate can realize accurate location with moulding down between the piece, and connectivity and reliability between them strengthen, and the installation is simple and convenient, can simplify the manual assembly process, reduces intensity of labour, improves assembly efficiency.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a battery top cap and battery.
Background
Square batteries are increasingly used in the current industrial and commercial society, and most portable electronic devices need to rely on batteries for the power required by the technology, and therefore, the importance of the batteries is particularly remarkable. At present, the assembly complexity of battery is higher, especially battery top cap, and it is fixed through screw or glued mode between the piece to mould under the apron, this just leads to both unable accurate positioning, and holistic connectivity and reliability are relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a battery top cap to solve battery top cap middle cover board and mould down between the piece location inaccurate, the relatively poor problem of connectivity and reliability.
The utility model discloses still aim at providing a battery to use foretell battery top cap.
According to the utility model discloses battery top cap, include: the base plate is provided with a first convex part and a second convex part, a first groove is formed at the bottom of the first convex part, and a second groove is formed at the bottom of the second convex part; a negative electrode assembly provided on the first convex portion; a positive electrode assembly provided on the second convex portion; and the lower plastic part is arranged at the bottom of the substrate and is provided with a third convex part and a fourth convex part, the third convex part is arranged in the first groove, and the fourth convex part is arranged in the second groove.
According to the utility model discloses battery top cap through setting up first convex part and second convex part on the base plate, set up first recess on the first convex part, set up the second recess on the second convex part, mould down and to mould third convex part and first recess cooperation, fourth convex part and the cooperation of second recess on it through for can realize accurate location between the base plate and the lower piece of moulding, connectivity and reliability reinforcing between them, the installation is simple and convenient, can simplify the manual assembly process, and the labor intensity is reduced, and the assembly efficiency is improved.
In some embodiments, the positive electrode assembly comprises a positive electrode pillar, one of the two short sides of the substrate is set as a first side, the first side is arranged close to the positive electrode pillar, and the distance between the positive electrode pillar and the first side is L1, wherein L1 is greater than or equal to 14mm and less than or equal to 20 mm.
Optionally, a fourth groove is formed in the bottom of the fourth convex portion, the fourth groove is provided with a fourth through hole, the second convex portion is provided with a second through hole, the positive post comprises a base and a positive post connected with the base, the base is arranged in the fourth groove, and the positive post extends out of the fourth through hole and the second through hole.
Optionally, the base plate is provided with a liquid injection hole, the liquid injection hole is located between the center of the base plate and the positive post, the center distance between the liquid injection hole and the positive post is L2, wherein L2 is not less than 25mm and not more than 32 mm.
In some embodiments, the positive electrode assembly further comprises: the positive electrode resistor is arranged on the second convex part; the positive pole mounting plate is arranged on the positive pole resistor, and the positive pole part penetrates out of the positive pole resistor and the positive pole mounting plate; wherein, anodal mounting panel has the perpendicular to the length direction's of base plate anodal locating surface, anodal locating surface establishes keeping away from of anodal mounting panel one side of annotating the liquid hole, anodal locating surface with distance between the first side is L3, wherein, 5mm is less than or equal to L3 and is less than or equal to 10 mm.
In some embodiments, the battery top cover further comprises an explosion-proof valve, the explosion-proof valve is arranged on the base plate, the center distance between the explosion-proof valve and the liquid injection hole is L6, wherein L6 is more than or equal to 24mm and less than or equal to 32 mm.
In some embodiments, the negative electrode assembly comprises a negative electrode pillar, one of the two short sides of the substrate is arranged as a second side, the second side is arranged close to the negative electrode pillar, and the distance between the negative electrode pillar and the second side is L4, wherein L4 is greater than or equal to 14mm and less than or equal to 20 mm; the bottom of the third convex part is provided with a third groove, the negative pole column comprises a base part and a negative upright column connected with the base part, the base part is arranged in the third groove, the third groove is provided with a third through hole, the first convex part is provided with a first through hole, and the negative upright column extends out of the third through hole and the first through hole.
In some embodiments, the negative electrode assembly further comprises: the negative plastic part is arranged on the first convex part; the negative pole mounting plate is arranged on the negative pole plastic part, and the negative upright posts penetrate through the negative pole mounting plate and the negative pole plastic part; the negative electrode mounting plate is provided with a negative electrode positioning surface perpendicular to the length direction of the substrate, the negative electrode positioning surface is arranged on one side, far away from the positive electrode assembly, of the negative electrode mounting plate, the distance between the negative electrode positioning surface and the second side surface is L5, and L5 is not less than 5mm and not more than 10 mm; and the ceramic column penetrates through the negative electrode plastic part, one end of the ceramic column is abutted against the base part of the negative electrode column, and the other end of the ceramic column is abutted against the negative electrode mounting plate.
In some embodiments, the negative plastic part has a receiving cavity, and the battery top cap further includes a flip valve disposed in the receiving cavity.
A battery according to the embodiment of the utility model provides a battery top cap including any one of the preceding.
According to the utility model discloses battery, through adopting in the foregoing the battery top cap, the base plate can realize accurate location with moulding down between the piece, connectivity and reliability reinforcing between them, and the installation is simple and convenient, can simplify the manual assembly process, reduces intensity of labour, improves assembly efficiency.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is an exploded schematic view of a battery top cover according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a substrate according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a lower plastic part in an embodiment of the present invention;
fig. 4 is a top view of a battery top cover according to an embodiment of the present invention;
fig. 5 is a bottom view of a battery top cap according to an embodiment of the present invention;
fig. 6 is a schematic perspective view of a battery top cover according to an embodiment of the present invention.
Reference numerals:
100. a battery top cover;
10. a substrate;
101. a first convex portion; 1011. a first groove; 1012. a first through hole; 102. a second convex portion; 1021. a second groove; 1022. a second through hole; 103. a first side surface; 104. a liquid injection hole; 105. a second side surface;
20. a negative electrode assembly;
21. a negative pole post; 211. a base; 212. a negative upright post; 22. a negative plastic part; 23. a negative mounting plate; 231. a negative electrode positioning surface; 232. a negative plate side; 24. a ceramic post;
30. a positive electrode assembly;
31. a positive post; 311. a base; 312. a right upright post; 32. a positive electrode resistance; 33. a positive mounting plate; 331. a positive electrode positioning surface; 332. a front plate side;
40. a lower plastic part;
401. a third convex portion; 4011. a third groove; 4012. a third through hole; 402. a fourth convex portion; 4021. a fourth groove; 4022. a fourth via hole;
50. an explosion-proof valve; 60. the valve is turned over.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like, as used herein, refer to an orientation or positional relationship as shown in the accompanying drawings, which are meant only for convenience and simplicity of description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The battery top cover 100 according to the embodiment of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, a battery top cover 100 according to an embodiment of the present invention includes: the negative electrode assembly comprises a substrate 10, a negative electrode assembly 20, a positive electrode assembly 30 and a lower plastic piece 40.
The substrate 10 has a first protrusion 101 and a second protrusion 102, a first groove 1011 is formed at the bottom of the first protrusion 101, and a second groove 1021 is formed at the bottom of the second protrusion 102. The negative electrode assembly 20 is provided on the first convex portion 101. The positive electrode assembly 30 is disposed on the second convex portion 102. The lower molding 40 is disposed at the bottom of the substrate 10, the lower molding 40 has a third protrusion 401 and a fourth protrusion 402, the third protrusion 401 is disposed in the first recess 1011, and the fourth protrusion 402 is disposed in the second recess 1021, so that the connection between the lower molding 40 and the substrate 10 is reliable and stable, and the two are not easily separated.
According to the utility model discloses battery top cap 100, through setting up first convex part 101 and second convex part 102 on the base plate 10, set up first recess 1011 on the first convex part 101, set up second recess 1021 on the second convex part 102, it cooperates with first recess 1011 through the last third convex part 401 of piece 40 to mould down, fourth convex part 402 cooperates with second recess 1021, make base plate 10 and mould down and can realize accurate location between the piece 40, connectivity and reliability between them strengthen, the installation is simple and convenient, can simplify the manual assembly process, and the labor intensity is reduced, and the assembly efficiency is improved.
In some embodiments, as shown in FIG. 4, the positive electrode assembly 30 includes a positive electrode post 31, one of two short sides of the substrate 10 is set as a first side 103, the first side 103 is disposed adjacent to the positive electrode post 31, and the distance between the positive electrode post 31 and the first side 103 is L1, wherein L1 is greater than or equal to 14mm and less than or equal to 20 mm. For example, if the right side surface of the substrate 10 is the first side surface 103, L1 may be any one of 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, and 20mm, and of course, L1 may not be an integer, and is an optimal value when L1 is 16 mm.
Alternatively, as shown in fig. 3, the bottom of the fourth tab 402 has a fourth groove 4021, the fourth groove 4021 has a fourth through hole 4022, the second tab 102 has a second through hole 1022, the positive post 31 includes a base 311 and an upright post 312 connected to the base 311, the base 311 is disposed in the fourth groove 4021, and the upright post 312 extends out of the fourth through hole 4022 and the second through hole 1022. The base 311 is provided in the fourth notch 4021 to improve the reliability of mounting the positive post 31, as compared to the case where the positive post 31 is directly connected to the substrate 10, and the positive post 31 does not separate from the substrate 10.
Optionally, as shown in fig. 1 and 4, the substrate 10 has a liquid injection hole 104, the liquid injection hole 104 is located between the center of the substrate 10 and the positive post 31, and the center distance between the liquid injection hole 104 and the positive post 31 is L2, wherein L2 is 25mm ≤ 32 mm. That is, L2 may be any one of 25mm, 26mm, 27mm, 28mm, 29mm, 30mm, 31mm, and 32mm, and L2 may not be an integer, wherein L2 is 29.3mm, which is an optimal value.
In some embodiments, as shown in fig. 1 and 4, positive assembly 30 further includes a positive resistor 32 and a positive mounting plate 33. The anode resistor 32 is provided on the second projection 102; the positive pole mounting plate 33 is provided on the positive pole resistor 32, and presses the positive pole 31 when the positive pole 31 is assembled, and the positive pole 31 partially penetrates through the positive pole resistor 32 and the positive pole mounting plate 33. The positive electrode mounting plate 33 has a positive electrode positioning surface 331 perpendicular to the longitudinal direction of the substrate 10, the positive electrode positioning surface 331 is provided on the side of the positive electrode mounting plate 33 away from the liquid pouring hole 104, and the distance between the positive electrode positioning surface 331 and the first side surface 103 is L3, where L3 is 5mm or more and 10mm or less, for example, if the right side surface of the positive electrode mounting plate 33 is the positive electrode positioning surface 331, L3 may be any one of 5mm, 6mm, 7mm, 8mm, 9mm, and 10mm, of course, L3 may not be an integer, and L3 is preferably 7 mm.
In some embodiments, as shown in fig. 1, 4 and 6, the positive electrode mounting plate 33 has two positive plate side surfaces 332 parallel to the length direction of the substrate 10, and the distance between each positive plate side surface 332 and the long side surface of the adjacent substrate 10 is L7, wherein L7 is 4mm ≦ 8mm, for example, if the front and rear side surfaces of the positive electrode mounting plate 33 are the positive plate side surfaces 332, L7 may be any one of 3mm, 4mm, 5mm, 6mm and 7mm, and of course, L7 may not be an integer, for example, it is the most preferable when L7 is 6.65 mm.
In some embodiments, as shown in fig. 1 and 4, the battery top cover 100 further comprises an explosion-proof valve 50, the explosion-proof valve 50 is arranged on the base plate 10 and can achieve an explosion-proof effect, and the center distance between the explosion-proof valve 50 and the liquid injection hole 104 is L6, wherein L6 is more than or equal to 24mm and less than or equal to 32 mm. For example, L6 may be any one of 24mm, 25mm, 26mm, 27mm, 28mm, 29mm, 30mm, 31mm, and 32mm, and L6 may not be an integer, but L6 is preferably 28 mm.
In some embodiments, as shown in fig. 1 and 4, the negative electrode assembly 20 includes a negative electrode pillar 21, one of the two short sides of the substrate 10 is set as the second side 105, the second side 105 is disposed adjacent to the negative electrode pillar 21, and the distance between the negative electrode pillar 21 and the second side 105 is L4, wherein, 14mm ≦ L4 ≦ 20mm, for example, if the left side of the substrate 10 is the second side 105, L4 may be any one of 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, and 20mm, and of course, L4 may not be an integer, wherein, when L4 is 16mm, the optimal value is obtained. The bottom of the third protrusion 401 has a third recess 4011, the negative pole 21 includes a base 211 and a negative pole 212 connected to the base 211, the base 211 is disposed in the third recess 4011, the third recess 4011 has a third through hole 4012, the first protrusion 101 has a first through hole 1012, and the negative pole 21 partially penetrates through the third through hole 4012 and the first through hole 1012. Compared with the case where the negative electrode tab 21 is directly connected to the substrate 10, the installation reliability of the negative electrode tab 21 can be improved by disposing the base 211 in the third recess 4011, and the negative electrode tab 21 is not separated from the substrate 10.
In some embodiments, as shown in fig. 1 and 4, the negative electrode assembly 20 further includes a negative electrode plastic member 22, a negative electrode mounting plate 23, and a ceramic column 24. The negative plastic part 22 is disposed on the first protrusion 101. The negative pole mounting plate 23 is arranged on the negative pole plastic part 22, the negative pole 21 can be pressed when the negative pole 21 is assembled, and the negative upright post 212 penetrates through the negative pole mounting plate 23 and the negative pole plastic part 22; the negative electrode mounting plate 23 has a negative electrode positioning surface 231 perpendicular to the length direction of the substrate 10, the negative electrode positioning surface 231 is disposed on a side of the negative electrode mounting plate 23 away from the positive electrode assembly 30, and a distance between the negative electrode positioning surface 231 and the second side surface 105 is L5, wherein L5 is greater than or equal to 5mm and less than or equal to 10mm, for example, the left side surface of the negative electrode mounting plate 23 is the negative electrode positioning surface 231, L5 may be any one of 5mm, 6mm, 7mm, 8mm, 9mm, and 10mm, of course, L5 may not be an integer, and the most preferable value is when L5 is 7 mm. The ceramic column 24 passes through the negative plastic part 22, and one end of the ceramic column 24 abuts against the base 211 of the negative pole 21 and the other end abuts against the negative pole mounting plate 23.
In some embodiments, as shown in FIGS. 1 and 4, the negative mounting plate 23 has two negative plate sides 232 parallel to the length direction of the base plate 10, and the distance between each negative plate side 232 and the long side of the adjacent base plate 10 is L8, wherein L8 is 4mm ≦ 8 mm. For example, if the front and rear side surfaces of the negative electrode mounting plate 23 are the negative plate side surfaces 232, L8 may be any one of 4mm, 5mm, 6mm, 7mm, and 8mm, and L8 may not be an integer, and is preferably set to 6.65mm, for example, L8.
In some embodiments, as shown in fig. 1, the negative plastic part 22 has a receiving cavity (not shown), and the battery top cover 100 further includes a roll-over valve 60, and the roll-over valve 60 is disposed in the receiving cavity.
In some embodiments, as shown in FIG. 4, the distance between the long side of the lower plastic member 40 and the long side of the substrate 10 is H1, wherein 1.2mm ≦ H1 ≦ 1.8mm, for example, the long side of the lower plastic member 40 is the front and back sides, and likewise, the long side of the substrate 10 is the front and back sides, then H1 may be 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, and 1.8mm, although H1 may have other values, and H1 is 1.55mm is the most preferable. The distance between the short side of the lower molding 40 and the short side of the substrate 10 is H2, wherein, H2 is 1.2mm ≦ H2 ≦ 1.8mm, for example, the short side of the lower molding 40 is the left and right two sides, and likewise, the short side of the substrate 10 is the left and right two sides, H2 may be 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, and of course, H2 may have other values, wherein, H2 is 1.5mm, which is the best value.
A specific embodiment of the battery top cover 100 of the present invention will be described below with reference to the drawings.
As shown in fig. 1 to 6, a battery top cap 100 includes: the device comprises a substrate 10, a negative electrode assembly 20, a positive electrode assembly 30, a lower plastic piece 40, an explosion-proof valve 50 and a turnover valve 60.
The substrate 10 has a first protrusion 101 and a second protrusion 102, a first groove 1011 is formed at the bottom of the first protrusion 101, and a second groove 1021 is formed at the bottom of the second protrusion 102. The negative electrode assembly 20 is provided on the first convex portion 101. The positive electrode assembly 30 is disposed on the second convex portion 102. The lower molding 40 is disposed at the bottom of the substrate 10, the lower molding 40 has a third protrusion 401 and a fourth protrusion 402, the third protrusion 401 is disposed in the first recess 1011, and the fourth protrusion 402 is disposed in the second recess 1021.
The positive pole assembly 30 comprises a positive pole 31, the right side surface of the substrate 10 is a first side surface 103, the first side surface 103 is arranged close to the positive pole 31, the distance between the positive pole 31 and the first side surface 103 is L1, and the distance between the L1 and the first side surface is 16 mm.
The base plate 10 is provided with a liquid injection hole 104, the liquid injection hole 104 is positioned between the center of the base plate 10 and the positive pole 31, the center distance between the liquid injection hole 104 and the positive pole 31 is L2, and the center distance between L2 and the positive pole 31 is 29.3 mm.
The positive electrode mounting plate 33 has two positive electrode side surfaces 332 parallel to the longitudinal direction of the substrate 10, the two positive electrode side surfaces 332 are front and rear side surfaces of the positive electrode mounting plate 33, the distance between each positive electrode side surface 332 and the long side surface of the adjacent substrate 10 is L7, and L7 is 6.65 mm.
The explosion-proof valve 50 is arranged on the base plate 10, the center distance between the explosion-proof valve 50 and the liquid injection hole 104 is L6, and the center distance between the explosion-proof valve 50 and the liquid injection hole is L6 is 28 mm.
The negative electrode assembly 20 comprises a negative electrode post 21, the left side surface of the substrate 10 is a second side surface 105, the second side surface 105 is arranged close to the negative electrode post 21, the distance between the negative electrode post 21 and the second side surface 105 is L4, and the distance between L4 and the second side surface 105 is 16 mm. The bottom of the third protrusion 401 has a third recess 4011, the negative pole 21 includes a base 211 and a negative pole 212 connected to the base 211, the base 211 is disposed in the third recess 4011, the third recess 4011 has a third through hole 4012, the first protrusion 101 has a first through hole 1012, and the negative pole 21 partially passes through the third through hole 4012 and the first through hole 1012.
The cathode assembly 20 further includes a cathode plastic member 22, a cathode mounting plate 23, and a ceramic column 24. The negative plastic part 22 is disposed on the first protrusion 101. The negative pole mounting plate 23 is arranged on the negative pole plastic part 22, and the negative upright post 212 penetrates through the negative pole mounting plate 23 and the negative pole plastic part 22; the ceramic column 24 passes through the negative plastic part 22, and one end of the ceramic column 24 abuts against the base 211 of the negative pole 21 and the other end abuts against the negative pole mounting plate 23.
The negative electrode mounting plate 23 has a negative electrode positioning surface 231 perpendicular to the longitudinal direction of the substrate 10, the negative electrode positioning surface 231 is disposed on the left side of the negative electrode mounting plate 23, the distance between the negative electrode positioning surface 231 and the second side surface 105 is L5, and L5 is 7 mm.
The negative electrode mounting plate 23 has two negative plate side surfaces 232 parallel to the longitudinal direction of the substrate 10, the two negative plate side surfaces 232 are the front and rear sides of the negative electrode mounting plate 23, the distance between each negative plate side surface 232 and the long side surface of the adjacent substrate 10 is L8, and L8 is 6.65 mm.
The negative plastic part 22 has a receiving cavity, and the roll-over valve 60 is disposed in the receiving cavity.
The distance between the long side of the lower molding 40 and the long side of the base plate 10 is H1, i.e., the distance between the front side of the lower molding 40 and the front side of the base plate 10, and the distance between the rear side of the lower molding 40 and the rear side of the base plate 10 are H1, and H1 is 1.55 mm. The distance between the short side of the lower molding 40 and the short side of the base plate 10 is H2, i.e., the distance between the left side of the lower molding 40 and the left side of the base plate 10, and the distance between the right side of the lower molding 40 and the right side of the base plate 10 are H2, and H2 is 1.5 mm.
A battery according to an embodiment of the present invention includes the battery top cover 100 of any one of the preceding paragraphs.
According to the utility model discloses battery, through adopting in the foregoing battery top cap 100, base plate 10 and mould down and can realize accurate location between the piece 40, connectivity and reliability reinforcing between them, the installation is simple and convenient, can simplify the manual assembly process, reduces intensity of labour, improves assembly efficiency.
Other configurations of the battery top cover 100 according to the embodiment of the present invention, such as the explosion-proof valve 50 and the rollover valve 60, etc., and operations thereof, are known to those of ordinary skill in the art and will not be described in detail herein.
In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A battery top cap, comprising:
the base plate is provided with a first convex part and a second convex part, a first groove is formed at the bottom of the first convex part, and a second groove is formed at the bottom of the second convex part;
a negative electrode assembly provided on the first convex portion;
a positive electrode assembly provided on the second convex portion;
and the lower plastic part is arranged at the bottom of the substrate and is provided with a third convex part and a fourth convex part, the third convex part is arranged in the first groove, and the fourth convex part is arranged in the second groove.
2. The battery top cap of claim 1, wherein the positive electrode assembly comprises a positive electrode post, one of the two short sides of the base plate is provided as a first side, the first side is provided adjacent to the positive electrode post, and the distance between the positive electrode post and the first side is L1, wherein L1 is 14mm or less and 20mm or less.
3. The battery top cap of claim 2, wherein the bottom of the fourth protrusion has a fourth groove, the fourth groove has a fourth through hole, the second protrusion has a second through hole, the positive post comprises a base and a positive post connected to the base, the base is disposed in the fourth groove, and the positive post extends out of the fourth through hole and the second through hole.
4. The battery top cover according to claim 2, wherein the base plate is provided with a liquid injection hole, the liquid injection hole is positioned between the center of the base plate and the positive post, the distance between the liquid injection hole and the center of the positive post is L2, wherein, L2 is more than or equal to 25mm and less than or equal to 32 mm.
5. The battery top cap of claim 4, wherein the positive electrode assembly further comprises:
the positive electrode resistor is arranged on the second convex part;
the positive pole mounting plate is arranged on the positive pole resistor, and the positive pole part penetrates out of the positive pole resistor and the positive pole mounting plate; wherein, anodal mounting panel has the perpendicular to the length direction's of base plate anodal locating surface, anodal locating surface establishes keeping away from of anodal mounting panel one side of annotating the liquid hole, anodal locating surface with distance between the first side is L3, wherein, 5mm is less than or equal to L3 and is less than or equal to 10 mm.
6. The battery top cap of claim 4, further comprising an explosion-proof valve disposed on the base plate, wherein the center distance between the explosion-proof valve and the liquid injection hole is L6, wherein L6 is 24mm or more and 32mm or less.
7. The battery top cap of claim 1, wherein the negative electrode assembly comprises a negative post, one of the two short sides of the substrate is provided as a second side, the second side is provided adjacent to the negative post, the negative post is at a distance L4 from the second side, wherein L4 is 14mm 20 mm; wherein,
the bottom of the third convex part is provided with a third groove, the negative pole column comprises a base part and a negative upright post connected with the base part, the base part is arranged in the third groove, the third groove is provided with a third through hole, the first convex part is provided with a first through hole, and the negative upright post extends out of the third through hole and the first through hole.
8. The battery top cap of claim 7, wherein the negative electrode assembly further comprises:
the negative plastic part is arranged on the first convex part;
the negative pole mounting plate is arranged on the negative pole plastic part, and the negative upright posts penetrate through the negative pole mounting plate and the negative pole plastic part; the negative electrode mounting plate is provided with a negative electrode positioning surface perpendicular to the length direction of the substrate, the negative electrode positioning surface is arranged on one side, far away from the positive electrode assembly, of the negative electrode mounting plate, the distance between the negative electrode positioning surface and the second side surface is L5, and L5 is not less than 5mm and not more than 10 mm;
and the ceramic column penetrates through the negative electrode plastic part, one end of the ceramic column is abutted against the base part of the negative electrode column, and the other end of the ceramic column is abutted against the negative electrode mounting plate.
9. The battery top cap of claim 8, wherein the negative plastic part has a receiving cavity, and the battery top cap further comprises a roll-over valve disposed in the receiving cavity.
10. A battery comprising the battery top cover according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022361621.6U CN213278204U (en) | 2020-10-21 | 2020-10-21 | Battery top cap and battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022361621.6U CN213278204U (en) | 2020-10-21 | 2020-10-21 | Battery top cap and battery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115995643A (en) * | 2023-02-09 | 2023-04-21 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage device and electric equipment |
| WO2024093002A1 (en) * | 2022-10-31 | 2024-05-10 | 厦门海辰储能科技股份有限公司 | Housing assembly, battery, and battery manufacturing method |
-
2020
- 2020-10-21 CN CN202022361621.6U patent/CN213278204U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024093002A1 (en) * | 2022-10-31 | 2024-05-10 | 厦门海辰储能科技股份有限公司 | Housing assembly, battery, and battery manufacturing method |
| CN115995643A (en) * | 2023-02-09 | 2023-04-21 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage device and electric equipment |
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