CN205429020U - Battery top cap subassembly - Google Patents
Battery top cap subassembly Download PDFInfo
- Publication number
- CN205429020U CN205429020U CN201620202673.XU CN201620202673U CN205429020U CN 205429020 U CN205429020 U CN 205429020U CN 201620202673 U CN201620202673 U CN 201620202673U CN 205429020 U CN205429020 U CN 205429020U
- Authority
- CN
- China
- Prior art keywords
- pole
- sealing ring
- cap assembly
- battery cap
- insulation shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
Abstract
The utility model provides a battery top cap subassembly, including apron, first ploe post, sealing washer, insulation shell and insulating piece. The apron is equipped with along axial through's mounting hole. The first ploe post has: chassis portion, and cylinder portion, locate chassis portion immediately along the axial. Sealed snare is located the cylinder portion of first ploe post and is worn to locate the mounting hole of apron together with the cylinder portion of first ploe post, the sealing washer will lap with first ploe post along radial and axial spacing. The insulation shell lies in the below of apron, set up in the portion of the chassis of first ploe post and will lap with first ploe post along axial spacing, the opening that has along axial through's and aim at with the apron mounting hole, the sealing washer that the cylinder portion of first ploe post located together with the cover in the cylinder portion of first ploe post assembles in the opening, between sealing washer and the insulation shell the footpath make progress spaced apart and form make the first ploe post chassis portion in the axial with the relative annular gap of apron. The insulating piece sets up in the annular gap below to to lap and separate completely in the axial with the first ploe post.
Description
Technical field
This utility model relates to field of batteries, particularly relates to a kind of battery cap assembly.
Background technology
Prior art is to separate pole and the cover plate of battery with insulation shell and sealing ring, to reach insulation.Because taking into account matching requirements, insulation shell middle circle bore dia is bigger than seal diameter, so between insulation shell and sealing ring, can form a clearance channel, in pole processing or assembly line, there is certain probability to bring tinsel into, when tinsel clearance channel between insulation shell and sealing ring occurs, pole can be got up with cover plate short circuit, because tinsel is the least, and unstable with the overlap joint of pole and cover plate, it is difficult to detect, so potential safety hazard can be brought to battery core in the Insulation monitoring of rear operation.
Utility model content
In view of problem present in background technology, the purpose of this utility model is to provide a kind of battery cap assembly, and the gap between insulation shell and sealing ring can be closed by it, it is to avoid cover plate electrically connects with pole, the security performance of raising battery.
To achieve these goals, this utility model provides a kind of battery cap assembly, and it includes cover plate, the first pole, sealing ring, insulation shell and insulating trip.
Cover plate is provided with the most through installing hole.
First pole has: chassis portion；And trunk portion, it is erected on chassis portion vertically.
Sealing ring is sheathed on the trunk portion of the first pole and is arranged in the installing hole of cover plate together with the trunk portion of the first pole, and cover plate and the first pole are separated by sealing ring radially and axially.
Insulation shell is positioned at the lower section of cover plate, it is arranged in the chassis portion of the first pole and by axially spaced to cover plate and the first pole, there is opening that is the most through and that be directed at cover plate installing hole, the trunk portion of the first pole is assemblied in opening together with the sealing ring in the trunk portion being sheathed on the first pole, the most spaced apart and form the annular gap making the chassis portion of the first pole relative with cover plate in the axial direction between sealing ring and insulation shell.
Insulating trip is arranged on below annular gap, with by the most completely separated to cover plate and the first pole.
The beneficial effects of the utility model are as follows:
According in battery cap assembly of the present utility model, be arranged at the insulating trip below annular gap can close off annular gaps, together cover plate and the first pole are thoroughly separated with sealing ring and insulation shell, it is to avoid cover plate and pole short circuit, improve the security performance of battery.
Accompanying drawing explanation
Fig. 1 is the sectional view of the embodiment according to battery cap assembly of the present utility model；
Fig. 2 is the partial exploded perspective view of the battery cap assembly shown in Fig. 1, it is shown that the first pole, sealing ring, insulation shell and insulating trip；
Fig. 3 is the sectional view of another embodiment according to battery cap assembly of the present utility model；
Fig. 4 is the partial exploded perspective view of the battery cap assembly shown in Fig. 3, it is shown that sealing ring, insulation shell and insulating trip, wherein sealing ring is one-body molded with insulating trip；
Fig. 5 is the sectional view that Fig. 4 C-C along the line makes.
Wherein, description of reference numerals is as follows:
1 cover plate 41 opening
11 installing hole 42 annular recess
2 first pole 5 insulating trips
21 outer end, chassis portion 51
211 annular groove 6 conducting blocks
22 trunk portion A are axial
3 sealing ring R are radially
4 insulation shell G annular gaps
Detailed description of the invention
Describe battery cap assembly of the present utility model with reference to the accompanying drawings in detail.
Referring to figs. 1 through Fig. 5, include cover plate the 1, first pole 2, sealing ring 3, insulation shell 4 and insulating trip 5 according to battery cap assembly of the present utility model.
Cover plate 1 is provided with installing hole 11 through for A vertically.
First pole 2 has: chassis portion 21；And trunk portion 22, A is erected on chassis portion 21 vertically.
Sealing ring 3 is sheathed on the trunk portion 22 of the first pole 2 and is arranged in the installing hole 11 of cover plate 1 together with the trunk portion 22 of the first pole 2, and cover plate 1 is separated by sealing ring 3 with the first pole 2 radially R and axial A.
Insulation shell 4 is positioned at the lower section of cover plate 1, it is arranged in the chassis portion 21 of the first pole 2 and cover plate 1 is separated with the first pole 2 A vertically, there is the opening 41 that A vertically is through and is directed at cover plate 1 installing hole 11, the trunk portion 22 of the first pole 2 is assemblied in opening 41 together with the sealing ring 3 in the trunk portion 22 being sheathed on the first pole 2, spaced apart and form the annular gap G making the chassis portion 21 of the first pole 2 relative with cover plate 1 on axial A in radial direction R between sealing ring 3 and insulation shell 4.
Insulating trip 5 is arranged on below the G of annular gap, with by cover plate 1 and the first pole 2 on axial A completely separated.
According in battery cap assembly of the present utility model, being arranged at the insulating trip 5 below the G of annular gap can close off annular gaps G, together cover plate 1 is thoroughly separated with the first pole 2 with sealing ring 3 and insulation shell 4, avoid the tinsel may brought in pole processing or assembly line via annular gap G by cover plate and pole short circuit completely, improve the security performance of battery.
According in battery cap assembly of the present utility model, with reference to Fig. 2, in one embodiment, the chassis portion 21 of the first pole 2 is provided with annular groove 211, the external diameter of annular groove 211 is more than the internal diameter of the opening 41 of insulation shell 4, and the internal diameter of annular groove 211 is more than the external diameter at the contact surface in sealing ring 3 and chassis portion 21；Accordingly, in insulating trip 5 is contained in annular groove 211.The internal diameter of the opening 41 of insulation shell 4 it is more than due to the external diameter of annular groove 211, and the internal diameter of annular groove 211 is more than the external diameter at the contact surface in sealing ring 3 and chassis portion 21, so the insulating trip 5 being contained in annular groove 211 all has overlapping region with insulation shell 4 and sealing ring 3 on axial A, it is thus possible to make the thorough close off annular gaps G of insulating trip 5, it is ensured that cover plate 1 and the reliable insulation of the first pole 2.
According in battery cap assembly of the present utility model, with reference to Fig. 1, in one embodiment, the top surface in the top surface of insulating trip 5 and the chassis portion 21 of the first pole 2 flushes.Certainly, the top surface of insulating trip 5 can be higher than the top surface in chassis portion 21 of the first pole 2 and be compressed into the top surface with the chassis portion 21 of the first pole 2 after mounting and flush.If the top surface of insulating trip 5 is less than the top surface in the chassis portion 21 of the first pole 2, there is the risk of annular groove 211 peripheral contact of cover plate 1 and the first pole 2.
According in battery cap assembly of the present utility model, in one embodiment, insulating trip 5 is one-body molded with sealing ring 3 or split molding.In fig. 1 and 2, insulating trip 5 and sealing ring 3 split molding.
According in battery cap assembly of the present utility model, with reference to Fig. 3 and Fig. 5, in one embodiment, insulation shell 4 is provided with: annular recess 42, and on the downside of opening 41 periphery, radially R is the most recessed；Accordingly, insulating trip 5 is fixed on the bottom outside sealing ring 3, the external diameter of insulating trip 5 internal diameter more than the opening 41 of insulation shell 4 and the external diameter less than annular recess 42, abut insulation shell 4 in the outer end 51 of insulating trip 5 radially R is contained in the annular recess 42 of insulation shell 4 and on axial A.Insulation shell 4 is abutted in being contained in the annular recess 42 of insulation shell 4 due to the outer end of insulating trip 5 radially R and on axial A, so the thorough close off annular gaps G of insulating trip 5, meanwhile, the external diameter of insulating trip 5 is less than the external diameter of annular recess 42, so ensureing insulation shell 4 and the matching requirements of sealing ring 3.
According in battery cap assembly of the present utility model, with reference to Fig. 3 to Fig. 5, in one embodiment, insulating trip 5 is one-body molded with sealing ring 3.In another embodiment, insulating trip 5 can be with sealing ring 3 split molding, and insulating trip 5 can directly be set in the bottom outside sealing ring 3, or be adhesively fixed on the bottom outside sealing ring 3.
According in battery cap assembly of the present utility model, with reference to Fig. 1 and Fig. 3, in one embodiment, conducting block 6, it is coated with insulating cement, and fixing is electrically connected to the first pole 2.
According in battery cap assembly of the present utility model, in one embodiment, the first pole 2 is Positive Poles or negative pole pole.
Claims (10)
1. a battery cap assembly, including:
Cover plate (1), is provided with vertically (A) through installing hole (11)；
First pole (2), has:
Chassis portion (21)；And
Trunk portion (22), (A) is erected on chassis portion (21) vertically；
Sealing ring (3), be sheathed on the trunk portion (22) of the first pole (2) and be arranged in the installing hole (11) of cover plate (1) together with the trunk portion (22) of the first pole (2), sealing ring (3) by cover plate (1) and the first pole (2) radially (R) and axially (A) separate；And
Insulation shell (4), it is positioned at the lower section of cover plate (1), cover plate (1) above and is separated by the chassis portion (21) being arranged at the first pole (2) with the first pole (2) (A) vertically, there is the opening (41) that (A) vertically is through and is directed at cover plate (1) installing hole (11), the trunk portion (22) of the first pole (2) is assemblied in opening (41) together with the sealing ring (3) in the trunk portion (22) being sheathed on the first pole (2), between sealing ring (3) and insulation shell (4) upper the most spaced apart at radially (R) and form the chassis portion (21) making the first pole (2) in axially (A) the upper annular gap (G) the most relative with cover plate (1)；
It is characterized in that,
Described battery cap assembly also includes:
Insulating trip (5), is arranged on lower section, annular gap (G), so that cover plate (1) is upper completely separated at axially (A) with the first pole (2).
Battery cap assembly the most according to claim 1, it is characterised in that
The chassis portion (21) of the first pole (2) is provided with annular groove (211), the external diameter of annular groove (211) is more than the internal diameter of the opening (41) of insulation shell (4), and the internal diameter of annular groove (211) is more than the external diameter at the contact surface in sealing ring (3) and chassis portion (21)；
Insulating trip (5) is contained in annular groove (211).
Battery cap assembly the most according to claim 2, it is characterised in that the top surface in the top surface of insulating trip (5) and the chassis portion (21) of the first pole (2) flushes.
Battery cap assembly the most according to claim 1, it is characterised in that insulating trip (5) and sealing ring (3) be one-body molded or split molding.
Battery cap assembly the most according to claim 1, it is characterised in that
Insulation shell (4) is provided with: annular recess (42), and on the downside of opening (41) periphery, radially (R) is the most recessed；
Insulating trip (5) is fixed on the bottom in sealing ring (3) outside, the external diameter of insulating trip (5) internal diameter more than the opening (41) of insulation shell (4) and the external diameter less than annular recess (42), abut insulation shell (4) in the outer end (51) of insulating trip (5) radially (R) is contained in the annular recess (42) of insulation shell (4) and on axially (A).
Battery cap assembly the most according to claim 5, it is characterised in that insulating trip (5) is one-body molded with sealing ring (3).
Battery cap assembly the most according to claim 5, it is characterised in that insulating trip (5) and sealing ring (3) split molding.
Battery cap assembly the most according to claim 7, it is characterised in that insulating trip (5) is directly set in the bottom in sealing ring (3) outside or is adhesively fixed on the bottom in sealing ring (3) outside.
Battery cap assembly the most according to claim 1, it is characterised in that described battery cap assembly also includes:
Conducting block (6), is coated with insulating cement, and fixing is electrically connected to the first pole (2).
Battery cap assembly the most according to claim 1, it is characterised in that the first pole (2) is Positive Poles or negative pole pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620202673.XU CN205429020U (en) | 2016-03-16 | 2016-03-16 | Battery top cap subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620202673.XU CN205429020U (en) | 2016-03-16 | 2016-03-16 | Battery top cap subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205429020U true CN205429020U (en) | 2016-08-03 |
Family
ID=56546094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620202673.XU Active CN205429020U (en) | 2016-03-16 | 2016-03-16 | Battery top cap subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205429020U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020238393A1 (en) * | 2019-05-27 | 2020-12-03 | 宁德时代新能源科技股份有限公司 | Top cover assembly and secondary battery |
| WO2024045065A1 (en) * | 2022-08-31 | 2024-03-07 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery assembly, battery, and electric device |
-
2016
- 2016-03-16 CN CN201620202673.XU patent/CN205429020U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020238393A1 (en) * | 2019-05-27 | 2020-12-03 | 宁德时代新能源科技股份有限公司 | Top cover assembly and secondary battery |
| WO2024045065A1 (en) * | 2022-08-31 | 2024-03-07 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery assembly, battery, and electric device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |