CN217589173U - Battery top cap subassembly and battery - Google Patents
Battery top cap subassembly and battery Download PDFInfo
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- CN217589173U CN217589173U CN202123267615.5U CN202123267615U CN217589173U CN 217589173 U CN217589173 U CN 217589173U CN 202123267615 U CN202123267615 U CN 202123267615U CN 217589173 U CN217589173 U CN 217589173U
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- top cover
- battery
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- 238000003466 welding Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 39
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Classifications
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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 discloses a battery top cover assembly, this battery top cover assembly includes the top cap piece, go up the plastic part, lower plastic part, electric connector and terminal utmost point post, it connects on the upper surface of top cap piece to go up the plastic part, lower plastic part is connected on the lower surface of top cap piece, electric connector installs the plastic part under and deviates from the top cap piece on the surface, terminal utmost point post is integrated into one piece spare, terminal utmost point post is including assembly portion and utmost point post portion, assembly portion installs on last plastic part, utmost point post portion passes in proper order plastic part, top cap piece and lower plastic part link to each other with the electric connector welding. The battery top cover assembly is less in part number, convenient to assemble, high in production efficiency, simple in terminal pole manufacturing process and low in cost, and the structure of a pole riveting hole is eliminated, so that the electric connection welding area is increased.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a battery top cap subassembly and battery.
Background
The square battery cell top cover for the hybrid electric vehicle in the current market has the following problems;
firstly, the method comprises the following steps: the number of parts of the top cover assembly is large, the assembly is complicated, and the efficiency is low;
secondly, the method comprises the following steps: for saving the cost, the electricity of negative terminal is connected the side and is the aluminium material, but the negative terminal still need be connected with the inside copper mass flow body electricity of electric core, and the negative terminal generally adopts the compound utmost point post of copper aluminium, but this kind of composite construction need adopt friction weld with copper portion and aluminium portion welding together, has promoted the manufacturing cost of negative terminal.
Third, in the traditional scheme, terminal and utmost point post are two, and the terminal passes through the riveting with utmost point post under last utmost point post, and the terminal just so mainly leaves utmost point post riveting hole in the terminal one side that deviates from utmost point post, will reduce like this and influence electric connection welding area.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a battery top cover assembly, this battery top cover assembly's part quantity is less, convenient assembling, and production efficiency is higher, and the manufacturing process of terminal utmost point post is simple, and the cost is lower, and has cancelled the structure in utmost point post riveting hole, has promoted electric connection welding area.
A second object of the present invention is to provide a battery, which has a simple structure, high production efficiency and low manufacturing cost.
For realizing the above technical effect, the technical scheme of the utility model as follows:
the utility model discloses a battery top cap subassembly, include: a top cover sheet; the upper plastic part is connected to the upper surface of the top cover plate;
the lower plastic part is connected to the lower surface of the top cover plate; the electric connecting piece is arranged on the surface, facing away from the top cover sheet, of the lower plastic piece; terminal utmost point post, terminal utmost point post is integrated into one piece, terminal utmost point post is including assembly portion and utmost point post portion, assembly portion installs on going up the plastic part, utmost point post portion passes in proper order go up the plastic part the top cap piece with down the plastic part with the electric connector welding links to each other.
In some embodiments, the electrical connector is provided with a stepped hole, the stepped hole includes a first hole and a second hole, the size of the first hole is larger than that of the second hole, the pole part is fitted in the second hole, and an end surface of the pole part is welded to stepped surfaces of the first hole and the second hole.
In some embodiments, a first limiting protrusion is arranged on one of the upper plastic part and the top cover plate, and a first limiting groove matched with the first limiting protrusion is arranged on the other one of the upper plastic part and the top cover plate; and/or one of the lower plastic part and the top cover plate is provided with a second limiting protrusion, and the other of the lower plastic part and the top cover plate is provided with a second limiting groove matched with the second limiting protrusion.
In some embodiments, a first mounting groove is formed in a surface of the upper plastic part facing the terminal post, and a mounting boss fitted in the first mounting groove is formed on the mounting portion.
In some embodiments, a second mounting groove is formed in a surface of the lower plastic part facing away from the top cover plate, and the electric connecting part is mounted in the second mounting groove.
In some embodiments, the battery top cap assembly further comprises a seal member that is fitted over the pole portion, the seal member being configured to insulate the pole portion from the top cap sheet.
In some specific embodiments, a surface of the top cover sheet facing the terminal post is provided with a receiving groove for receiving the sealing member compressed and deformed by the terminal post.
In some specific embodiments, a sealing boss is provided on the pole portion for compressing the seal.
In some specific embodiments, the sealing member has a receiving portion that fits within the receiving groove and abuts against the sealing boss.
The utility model also discloses a battery, including the foreside battery top cap subassembly, casing and electric core, battery top cap subassembly lock is in the end of opening of casing, electric core is established in the casing, the utmost point ear of electric core with electric connector links to each other.
The utility model discloses a battery top cap subassembly's beneficial effect: because terminal and utmost point post integrated into one piece are terminal utmost point post, have simplified the processing technology of terminal utmost point post, have reduced the manufacturing cost of terminal utmost point post, have reduced the part quantity of battery top cap subassembly, have promoted the assembly efficiency of battery top cap subassembly, need not to be equipped with the riveting hole on terminal utmost point post, have increased the electric connection welding area of terminal utmost point post, have promoted the ability of overflowing.
The beneficial effects of the battery of the utility model are that owing to have the foregoing battery top cap subassembly, the simple structure of this battery, production efficiency is higher, and manufacturing cost is lower.
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
Fig. 1 is a schematic structural view of a battery top cover assembly according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of a battery top cap assembly according to an embodiment of the present invention;
fig. 3 is a top view of a battery top cap assembly in accordance with an embodiment of the present invention;
FIG. 4 isbase:Sub>A sectional view taken along line A-A of FIG. 3;
FIG. 5 is an enlarged view of a portion of the structure of FIG. 4;
fig. 6 is a schematic diagram of a partial exploded structure of a battery top cover assembly according to an embodiment of the present invention.
Reference numerals:
1. a top cover sheet; 11. a first limit groove; 12. a second limit groove; 13. accommodating grooves;
2. applying a plastic part; 21. a first limit protrusion; 22. a first mounting groove;
3. a plastic part is put; 31. a second limit bulge; 32. a second mounting groove;
4. an electrical connection; 41. a stepped bore; 411. a first hole; 412. a second hole;
5. a terminal post; 51. an assembling portion; 511. mounting a boss; 52. a pole section; 521. sealing the boss;
6. a seal member; 61. an accommodating portion; 7. an explosion-proof valve; 8. and (4) protecting the sheet.
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, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present 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 specific structure of the battery top cap assembly according to the embodiment of the present invention will be described below with reference to fig. 1 to 6.
The utility model discloses a battery top cap subassembly, as shown in fig. 1-fig. 2, this battery top cap subassembly includes top cap piece 1, go up plastic part 2, lower plastic part 3, electric connector 4 and terminal utmost point post 5, it connects on the upper surface of top cap piece 1 to go up plastic part 2, lower plastic part 3 is connected on top cap piece 1's lower surface, electric connector 4 installs plastic part 3 under and deviates from top cap piece 1 on the surface, terminal utmost point post 5 is integrated into one piece spare, terminal utmost point post 5 is including assembly portion 51 and utmost point post portion 52, assembly portion 51 installs on last plastic part 2, utmost point post portion 52 passes plastic part 2 in proper order, top cap piece 1 and lower plastic part 3 link to each other with electric connector 4 welding.
It can be understood that, because the terminal post 5 is an integral molding, specifically, the positive terminal post 5 is manufactured by machining an aluminum plate, and the negative terminal post 5 is manufactured by machining a copper-aluminum composite plate, the machining process of the terminal post 5 is simplified, and the manufacturing cost of the terminal post 5 is reduced. It explains that need supplement, compare in prior art, terminal and utmost point post are split type structure, and need adopt the mode of riveting to connect terminal and utmost point post, and the terminal utmost point post 5 of this embodiment is integrated into one piece spare, has reduced the part quantity of battery top cap subassembly, is favorable to the promotion of assembly efficiency. Meanwhile, as riveting connection is not needed, riveting holes are not needed to be formed in the terminal post 5, the electric connection welding area of the terminal post 5 is increased, and the overcurrent capacity is improved.
In some embodiments, as shown in fig. 5, a stepped hole 41 is provided on the electrical connector 4, the stepped hole 41 includes a first hole 411 and a second hole 412, the size of the first hole 411 is larger than that of the second hole 412, the pole portion 52 is fitted in the second hole 412, and an end surface of the pole portion 52 is welded with the stepped surfaces of the first hole 411 and the second hole 412. It will be appreciated that during actual assembly, the post portion 52 needs to be inserted into the bore and groove arrangement on the electrical connector 4 and then soldered. If the hole-groove structure on the electrical connector 4 is a straight hole with unchanged size, the lower end surface of the pole part 52 and the lower end surface of the electrical connector 4 are flush to be welded, so that the length of the whole pole part 52 is large, and the manufacturing cost of the terminal pole 5 is increased. In the embodiment, the hole-groove structure of the electrical connector 4 is the stepped hole 41, so that the end surface of the pole part 52 only needs to slightly protrude from the stepped surfaces of the first hole 411 and the second hole 412 or be flush with the stepped surfaces of the first hole 411 and the second hole 412 during the welding process. Compared with the technical scheme that the lower end face of the pole part 52 is flush with the lower end face of the electric connecting piece 4, the step hole 41 is arranged on the electric connecting piece 4, so that the length of the pole part 52 can be shortened to a certain extent, and the manufacturing cost of the terminal pole 5 is reduced.
In some embodiments, as shown in fig. 2, one of the upper plastic part 2 and the top cover plate 1 is provided with a first limiting protrusion 21, and the other of the upper plastic part 2 and the top cover plate 1 is provided with a first limiting groove 11 engaged with the first limiting protrusion 21. It should be noted that, in the actual design, in some embodiments, the upper plastic part 2 may be provided with a first limiting protrusion 21, and the top cover plate 1 is provided with a first limiting groove 11; in some embodiments, the upper plastic part 2 may be provided with a first limiting groove 11, and the top cover plate 1 is provided with a first limiting protrusion 21; in some embodiments, the upper plastic part 2 is simultaneously provided with a first limiting groove 11 and a first limiting protrusion 21, and the top cover plate 1 is also simultaneously provided with the first limiting groove 11 and the first limiting protrusion 21. That is, in the present embodiment, the positions of the first stopper protrusion 21 and the first stopper groove 11 may be selected according to actual needs.
It can be understood, go up plastic part 2 and be used for guaranteeing assembly portion 51 and top cap piece 1's insulating properties, consequently, go up plastic part 2 and can not rotate terminal utmost point post 5 relatively, in this embodiment, adopt first spacing arch 21 and first spacing recess 11 to realize going up plastic part 2 and top cap piece 1's being connected, on the one hand can ensure plastic part 2 and top cap piece 1's stability of being connected, on the other hand has restricted plastic part 2's rotational degree of freedom, avoided going up plastic part 2 and terminal utmost point post 5 relatively and have appeared the pivoted phenomenon, thereby ensure assembly portion 51 and top cap piece 1's insulating properties.
It should be added here that the number and the cross-sectional shape of the first limiting recess 11 and the first limiting protrusion 21 can be selected according to actual needs, and parameters of the first limiting recess 11 and the first limiting protrusion 21 are not specifically limited herein.
In some embodiments, as shown in fig. 6, one of the lower plastic part 3 and the top cover plate 1 is provided with a second limiting protrusion 31, and the other of the lower plastic part 3 and the top cover plate 1 is provided with a second limiting groove 12 matched with the second limiting protrusion 31. It should be noted that, in the actual design, in some embodiments, the lower plastic part 3 may be provided with a second limiting protrusion 31, and the top cover plate 1 is provided with a second limiting groove 12; in some embodiments, the lower plastic part 3 may be provided with a second limiting groove 12, and the top cover plate 1 is provided with a second limiting protrusion 31; in some embodiments, the lower plastic part 3 is simultaneously provided with a second limiting groove 12 and a second limiting protrusion 31, and the top cover plate 1 is also simultaneously provided with a second limiting groove 12 and a second limiting protrusion 31. That is, in the present embodiment, the positions of the second stopper protrusion 31 and the second stopper groove 12 may be selected according to actual needs.
It can be understood, lower plastic part 3 is used for guaranteeing electric connector 4 and top cap piece 1's insulating properties, consequently, plastic part 3 can not rotate with terminal utmost point post 5 relatively down, in this embodiment, adopt the spacing protruding 31 of second and the spacing recess 12 of second to realize being connected of plastic part 3 and top cap piece 1 down, plastic part 3 and top cap piece 1's stability of being connected can be guaranteed down on the one hand, on the other hand has restricted the rotational degree of freedom of lower plastic part 3, the pivoted phenomenon appears in plastic part 3 relative terminal utmost point post 5 down has been avoided, thereby ensure electric connector 4 and top cap piece 1's insulating properties.
It should be added here that the number and the cross-sectional shape of the second stopper groove 12 and the second stopper protrusion 31 can be selected according to actual needs, and parameters of the second stopper groove 12 and the second stopper protrusion 31 are not specifically limited herein.
In some embodiments, as shown in fig. 5, the surface of the upper plastic part 2 facing the terminal post 5 is provided with a first mounting groove 22, and the mounting portion 51 is provided with a mounting boss 511 fitted in the first mounting groove 22. It can be understood that the fitting of the fitting bosses 511 and the first fitting grooves 22 can improve the connection stability of the terminal post 5 with the upper plastic part 2, thereby ensuring that the terminal post 5 is stably insulated from the top cover sheet 1.
In some embodiments, as shown in fig. 5, a surface of lower plastic part 3 facing away from top cover sheet 1 is provided with a second mounting groove 32, and electric connector 4 is mounted in second mounting groove 32. It can be understood that the fitting of the electric connector 4 and the second mounting groove 32 can improve the connection stability of the electric connector 4 and the upper plastic part 2, thereby ensuring the stable insulation of the electric connector 4 from the top cover sheet 1.
In some embodiments, as shown in fig. 2, the battery top cap assembly further comprises a sealing member 6, the sealing member 6 is sleeved on the pole part 52, and the sealing member 6 is used for insulating the pole part 52 from the top cap sheet 1. It can be understood that the added sealing member 6 can ensure that the pole part 52 is insulated from the top cover plate 1, so that the terminal pole 5 is insulated from the top cover plate 1, and the phenomenon that the top cover plate 1 is electrified is avoided.
In some specific embodiments, as shown in fig. 5, the surface of the top cover sheet 1 facing the terminal post 5 is provided with a receiving groove 13, and the receiving groove 13 is used for receiving the sealing member 6 compressed and deformed by the terminal post 5. From this, can be full of holding tank 13 after sealing member 6 is compressed, has promoted the sealing performance of the connection position of terminal utmost point post 5 and top cap piece 1 again when guaranteeing that terminal utmost point post 5 is insulating with top cap piece 1.
In some embodiments, as shown in fig. 5, the pole section 52 is provided with a sealing projection 521, and the sealing projection 521 is used for compressing the sealing member 6. Thereby, the seal boss 521 can stably compress the seal member 6 after the assembly is completed, and the length of the pole part 52 is extended, reducing the possibility of the seal member 6 being broken.
In some specific embodiments, as shown in fig. 5, the sealing member 6 has a receiving portion 61, the receiving portion 61 is fitted in the receiving groove 13, and the receiving portion 61 abuts on the sealing boss 521. Therefore, on one hand, the contact area between the sealing element 6 and the top cover sheet 1 can be increased, so that the sealing effect of the sealing element 6 on the top cover sheet is ensured, and on the other hand, the sealing boss 521 can well press the sealing element 6 to be deformed and then can be stably kept in the accommodating groove 13.
Preferably, the outer diameter of the accommodating portion 61 is slightly smaller than the inner diameter of the accommodating groove 13, so that the accommodating portion 61 of the sealing member 6 can be interference fit into the accommodating groove 13 after being pressed by the sealing boss 521. Thereby, the connection stability and connection sealability of the sealing member 6 and the top sheet 1 are further ensured.
The structure of a battery top cap assembly according to an embodiment of the present invention will be described with reference to fig. 1 to 6.
As shown in fig. 1-6, the battery top cover assembly comprises a top cover plate 1, an upper plastic part 2, a lower plastic part 3, an electrical connector 4, a terminal post 5, a sealing element 6, an explosion-proof valve 7 and a protection plate 8, wherein a first limiting groove 11 and a containing groove 13 are arranged on the upper surface of the top cover plate 1, the first limiting groove 11 is a groove with four long strips, and is respectively positioned on two sides of a positive pole hole and a negative pole hole, a second limiting groove 12 is arranged on the lower surface of the top cover plate 1, a first limiting bulge 21 matched with the first limiting groove 11 is arranged on the lower surface of the upper plastic part 2, a first mounting groove 22 is arranged on the upper surface, a second limiting bulge 31 matched with the second limiting groove 12 is arranged on the upper surface of the lower plastic part 3, a second mounting groove 32 is arranged on the lower surface, the terminal post 5 is an integrated molding part, the terminal post 5 comprises an assembling part 51 and a post part 52, the assembling part 51 is installed in the first mounting groove 22, and the post part 52 sequentially penetrates through the upper plastic part 2, the top cover plate 1 and the lower plastic part 3 is connected with the electrical connector 4. The pole part 52 is provided with a sealing boss 521, and the sealing boss 521 is used for compressing the sealing member 6. The electric connector 4 is mounted in the second mounting groove 32 and is provided with a stepped hole 41, the stepped hole 41 includes a first hole 411 and a second hole 412, the size of the first hole 411 is larger than that of the second hole 412, the pole part 52 is fitted in the second hole 412, and the end surface of the pole part 52 is welded with the stepped surfaces of the first hole 411 and the second hole 412. The seal member 6 is fitted over the pole portion 52, and the seal member 6 compressed and deformed by the seal boss 521 is filled in the accommodation groove 13.
The assembly process of the battery top cover assembly of the present embodiment may have the following two types:
the first connection mode is as follows:
the method comprises the following steps: fixing the electrical connector 4 on the assembly table;
step two: sleeving the lower plastic part 3 on the electric connecting piece 4, so that a part of the electric connecting piece 4 extends into the second mounting groove 32;
step three: mounting the top cover plate 1 on the lower plastic part 3, and realizing positioning by means of the second limiting protrusion 31 and the second limiting groove 12;
step four: the upper plastic part 2 is arranged on the top cover plate 1, and positioning is realized by the first limiting bulge 21 and the first limiting groove 11;
step five: sleeving the sealing element 6 on the terminal post 5, then placing the terminal post 5 on the plastic part 2, and realizing positioning by means of the first mounting groove 22 and the mounting boss 511;
step six: the terminal post 5 penetrates through the upper plastic part 2 and the top cover plate 1 to be connected with the fixed electric connector 4, so that the lower plastic part 3 is accurately secondarily positioned;
step seven: the electric connector 4 and the terminal post 5 are preliminarily connected by a riveting method and then welded.
The second connection mode is as follows:
the method comprises the following steps: assembling the terminal post 5 and the sealing member 6;
step two: the terminal post 5 is placed and fixed away from the core side, that is, the fitting part 51 is placed downward;
step three: installing the upper plastic part 2 on the terminal post 5, and realizing positioning by means of the first installation groove 22 and the installation boss 511;
step four: mounting the top cover plate 1 on the upper plastic part 2, enabling the top cover plate to penetrate through the terminal pole 5, and realizing positioning by means of the first limiting protrusion 21 and the first limiting groove 11;
step five: mounting the lower plastic part 3 on the top cover plate 1, enabling the lower plastic part to penetrate through the terminal post 5, and realizing positioning by means of the second limiting protrusion 31 and the second limiting groove 12;
step six: mounting the electric connector 4 on the lower plastic part 3 to penetrate through the terminal post 5, so that a part of the electric connector 4 extends into the second mounting groove 32;
step seven: after the electric connector 4 is compressed, the electric connector 4 and the terminal post 5 are welded.
The advantages of the battery top cover assembly of the present embodiment are as follows:
firstly, a traditional pole riveting hole is eliminated, the electric connection welding area of the module is increased, and the overcurrent capacity is improved;
compared with the current riveting scheme, the number of parts is reduced, and the assembly efficiency is improved;
thirdly, the pole terminal is additionally provided with the mounting boss 511, so that the sealing effect of the battery top cover assembly is improved;
fourthly, the surface of the top cover plate 1 facing the terminal post 5 is provided with an accommodating groove 13, so that the compressed sealing ring is stored, and meanwhile, the insulating medium between the terminal post 5 and the top cover plate 1 is increased, and the safety is improved;
fifth, the method comprises the following steps: the electric connector 4 is provided with the step hole 41, so that the size of the pole terminal can be reduced, and the material cost is reduced.
The utility model also discloses a battery, including battery top cap subassembly, casing and electric core in the foreland, battery top cap subassembly lock is at the end of opening of casing, and electric core is established in the casing, and the utmost point ear of electric core links to each other with electric connector 4.
The utility model discloses battery, owing to have the foregoing battery top cap subassembly, the simple structure of this battery, production efficiency is higher, and manufacturing cost is lower.
In the description herein, references to the description of "some embodiments," "other embodiments," 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.
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 battery top cap assembly, comprising:
a top cover sheet (1);
the upper plastic part (2), the upper plastic part (2) is connected to the upper surface of the top cover plate (1);
the lower plastic part (3), the lower plastic part (3) is connected to the lower surface of the top cover plate (1);
the electric connecting piece (4) is installed on the surface, away from the top cover plate (1), of the lower plastic piece (3);
terminal utmost point post (5), terminal utmost point post (5) is integrated into one piece, terminal utmost point post (5) are including assembly portion (51) and utmost point post portion (52), assembly portion (51) are installed go up on plastic part (2), utmost point post portion (52) pass in proper order go up plastic part (2) top cap piece (1) with down plastic part (3) with electric connector (4) welding links to each other.
2. The battery top cap assembly according to claim 1, wherein the electrical connector (4) is provided with a stepped hole (41), the stepped hole (41) comprises a first hole (411) and a second hole (412), the size of the first hole (411) is larger than that of the second hole (412), the pole part (52) is fitted in the second hole (412), and an end surface of the pole part (52) is welded with the stepped surfaces of the first hole (411) and the second hole (412).
3. The battery top cover assembly according to claim 1, wherein one of the upper plastic part (2) and the top cover plate (1) is provided with a first limiting protrusion (21), and the other of the upper plastic part (2) and the top cover plate (1) is provided with a first limiting groove (11) matched with the first limiting protrusion (21).
4. The battery top cover assembly according to claim 1, wherein one of the lower plastic part (3) and the top cover sheet (1) is provided with a second limiting protrusion (31), and the other of the lower plastic part (3) and the top cover sheet (1) is provided with a second limiting groove (12) matched with the second limiting protrusion (31).
5. The battery top cap assembly according to claim 1, wherein the surface of the upper plastic part (2) facing the terminal post (5) is provided with a first mounting groove (22), and the assembling portion (51) is provided with a mounting boss (511) fitted in the first mounting groove (22); and/or, lower plastic part (3) deviate from be equipped with second mounting groove (32) on the surface of top cover piece (1), electric connector (4) are installed in second mounting groove (32).
6. The battery top cap assembly of claim 1, further comprising a seal (6), wherein the seal (6) is sleeved on the pole portion (52), and the seal (6) is used for insulating the pole portion (52) from the top cap piece (1).
7. The battery top cap assembly according to claim 6, wherein the surface of the top cap sheet (1) facing the terminal post (5) is provided with a receiving groove (13), the receiving groove (13) being used for receiving the sealing member (6) compressed and deformed by the terminal post (5).
8. The battery top cap assembly of claim 7, wherein the pole portion (52) is provided with a sealing boss (521), the sealing boss (521) being used for compressing the sealing member (6).
9. The battery top cap assembly according to claim 8, wherein the sealing member (6) has an accommodating portion (61), the accommodating portion (61) is fitted in the accommodating groove (13), and the accommodating portion (61) abuts on the sealing boss (521).
10. A battery comprising a top cap assembly according to any of claims 1-9, a housing, and a cell, wherein the top cap assembly is fastened to the open end of the housing, the cell is disposed in the housing, and the tab of the cell is connected to the electrical connector (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123267615.5U CN217589173U (en) | 2021-12-23 | 2021-12-23 | Battery top cap subassembly and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123267615.5U CN217589173U (en) | 2021-12-23 | 2021-12-23 | Battery top cap subassembly and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217589173U true CN217589173U (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123267615.5U Active CN217589173U (en) | 2021-12-23 | 2021-12-23 | Battery top cap subassembly and battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116864881A (en) * | 2023-09-05 | 2023-10-10 | 中宏科创新能源科技(浙江)有限公司 | Top cap subassembly, battery and electronic equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116864881A (en) * | 2023-09-05 | 2023-10-10 | 中宏科创新能源科技(浙江)有限公司 | Top cap subassembly, battery and electronic equipment |
| CN116864881B (en) * | 2023-09-05 | 2023-12-29 | 中宏科创新能源科技(浙江)有限公司 | Top cap subassembly, battery and electronic equipment |
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