CN209401666U - A kind of assembling structure of power battery top cover - Google Patents
A kind of assembling structure of power battery top cover Download PDFInfo
- Publication number
- CN209401666U CN209401666U CN201920195175.0U CN201920195175U CN209401666U CN 209401666 U CN209401666 U CN 209401666U CN 201920195175 U CN201920195175 U CN 201920195175U CN 209401666 U CN209401666 U CN 209401666U
- Authority
- CN
- China
- Prior art keywords
- pole
- top cover
- power battery
- assembling structure
- plastic parts
- 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.)
- Active
Links
- 230000010485 coping Effects 0.000 claims abstract description 44
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000004568 cement Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 13
- 230000006870 function Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model belongs to the technical field of battery cap, more particularly to a kind of assembling structure of power battery top cover, including coping plate, the lower plastic cement of the coping plate bottom is set and is set to the pole of the coping plate, the coping plate includes lid ontology, the limiting groove of the lid ontology is arranged in and is placed in the ledge of the limiting groove, the pole includes pole ontology and the pedestal that pole ontology lower end is arranged in, the pole ontology is arranged with the plastic parts with ledge cooperation, is arranged with sealing ring between the pedestal and the limiting groove.The utility model can reduce the difficulty of assembly technology, helps to improve production efficiency and reduces production cost, while can reduce the thickness and battery total quality of top cover using this structure, to improve the energy density of battery.
Description
Technical field
The utility model belongs to the technical field of battery cap, and in particular to a kind of assembling structure of power battery top cover.
Background technique
Lithium ion battery is as a kind of new secondary battery, with energy density and power density are big, operating voltage is high, again
Measure it is light, small in size, have extended cycle life, the advantages that safety is good, environmentally protective, in portable electronics, electric tool, Large Storage Tanks
Energy, electronic traffic electrical source of power etc. have broad application prospects.The air-tightness of battery case is the one of lithium ion battery
A important indicator, and the sealing of battery electrode column is its difficult point, will lead to battery bulging, leakage, battery performance if poor sealing
It decreases up to and scraps.
Wherein, Chinese patent literature discloses a kind of cover plate of power battery component (publication number: 206076296 U of CN), packet
Include: cover board substrate, safety valve and post sealing structure, the post sealing structure include pole, and the pole passes through glass blocks
It covers and connects with pole, ceramic ring is equipped between the pole set and pole, the safety valve and pole set pass through laser welding
It is connect with cover board substrate, the glass blocks is made of glass sintering technique, and the pole is equipped with groove, and glass blocks is equipped with
Matching convex block.Above-mentioned scheme can seal pole to a certain extent, but this scheme is at least lacked there is also following
It falls into: first, manufacturing process is complicated and cannot dismantle or repair；Second, cover board is thicker, and pole occupies the space of battery, drop
The energy density of low battery core；Third, high production cost and the overall quality for increasing battery.
Utility model content
The purpose of this utility model is that: in view of the deficiencies of the prior art, provide a kind of assembly knot of power battery top cover
Structure can reduce the difficulty of assembly technology, helps to improve production efficiency and reduces production cost, while using this structure energy
The thickness and battery total quality for enough reducing top cover, to improve the energy density of battery.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of assembling structure of power battery top cover, including coping plate, be arranged in the coping plate bottom lower plastic cement and
It is set to the pole of the coping plate, the coping plate includes lid ontology, the limiting groove that the lid ontology is arranged in and accommodating
In the ledge of the limiting groove, the pole includes pole ontology and the pedestal that pole ontology lower end is arranged in, described
Pole ontology is arranged with the plastic parts with ledge cooperation, is arranged with sealing ring between the pedestal and the limiting groove.
As a kind of a kind of improvement of the assembling structure of power battery top cover described in the utility model, the limiting groove
It is inside provided with rotating sheet ventilating groove and pole mounting hole, the bottom of the limiting groove is provided with convex closure, and the rotating sheet is ventilative
Slot is sealed by rotating sheet, and the pedestal is fixed on the coping plate, the pole ontology by the pole mounting hole
Cover the limiting groove.
As a kind of a kind of improvement of the assembling structure of power battery top cover described in the utility model, the plastic parts is set
It is equipped with rotating sheet accepting hole and pole through hole, the rotating sheet accepting hole is corresponding with the rotating sheet ventilating groove, the pole
Column through hole is corresponding with the pole mounting hole.
As a kind of a kind of improvement of the assembling structure of power battery top cover described in the utility model, the plastic parts is set
It sets and is additionally provided with rotating sheet air hole, the ledge is provided with the air slot with rotating sheet air hole cooperation.
As a kind of a kind of improvement of the assembling structure of power battery top cover described in the utility model, the ledge setting
There is the annular convex of protrusion surface, groove body is provided on the annular convex, the edge of the plastic parts is provided with and the ring
First groove of shape convex body cooperation.
As a kind of a kind of improvement of the assembling structure of power battery top cover described in the utility model, the pole ontology
Side be provided with projection seat, be provided on the inside of the plastic parts with the projection seat cooperation the second groove.
As a kind of a kind of improvement of the assembling structure of power battery top cover described in the utility model, the plastic parts is
Integrated formed structure.
As a kind of a kind of improvement of the assembling structure of power battery top cover described in the utility model, the pole ontology
Shape be it is rectangular, oval or round, the shape of the ledge and the plastic parts is rectangular, oval or round.
As a kind of a kind of improvement of the assembling structure of power battery top cover described in the utility model, the coping plate and
The lower plastic cement is fixedly connected by welding mode.
As a kind of a kind of improvement of the assembling structure of power battery top cover described in the utility model, the coping plate is also
It is provided with liquid injection hole and explosion-proof valve.
As a kind of a kind of improvement of the assembling structure of power battery top cover described in the utility model, the pole is divided into
Positive terminal and negative terminal, the positive terminal are an integral molding structure, the negative terminal be by be soldered or welded to be formed it is compound
Pole.
As a kind of a kind of improvement of the assembling structure of power battery top cover described in the utility model, be set in it is described just
The plastic parts of pole is the conductive plastic that resistance value is less than 20mohm, and it is exhausted for being set in the plastic parts of the negative terminal
Edge plastic cement.
As a kind of a kind of improvement of the assembling structure of power battery top cover described in the utility model, be set in it is described just
The plastic parts of pole and the plastic parts for being set in the negative terminal are insulated plastic, the pole sheet of the positive terminal
Resistor disc is provided between body, the coping plate and the sealing ring.
The beneficial effects of the utility model are that the utility model includes coping plate, the coping plate bottom is arranged in
Lower plastic cement and the pole for being set to the coping plate, the coping plate includes lid ontology, the limit that is arranged in the lid ontology is recessed
Slot and the ledge for being placed in the limiting groove, the pole include pole ontology and the bottom that pole ontology lower end is arranged in
Seat, the pole ontology are arranged with the plastic parts with ledge cooperation, are arranged between the pedestal and the limiting groove
Sealing ring.Plastic parts makes pole be fastened on limiting groove, prevents pole from occurring to loosen and generate security risk, guarantees battery cap
Reliability, while also function to protection ledge effect；Limiting groove uses step-like design, not only guarantees the function of battery
It is unaffected, moreover it is possible to reduce pole in the height of inside battery, so that inside battery is placed bigger battery core, to improve electricity
The energy density in pond, while limiting groove, it is convenient that ledge is assembled, so that cap structure is more compact, improve space benefit
With rate；Sealing ring sealed base and limiting groove prevent electrolyte by crevice corrosion plastic parts, also function to insulator foot and limit
Position groove；Lower plastic cement can be improved the insulation performance of coping plate and battery core, prevent electrolytic corrosion coping plate from leading to battery short circuit,
The utility model can reduce the difficulty of assembly technology, helps to improve production efficiency and reduces production cost, while using this
Kind structure can reduce the thickness and battery total quality of top cover, to improve the energy density of battery.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the decomposition diagram of embodiment 1 in the utility model.
Fig. 3 is the schematic diagram of the section structure of embodiment 1 in the utility model.
Fig. 4 is the enlarged drawing of a-quadrant in Fig. 3.
Fig. 5 is the enlarged drawing of B area in Fig. 3.
Fig. 6 is the decomposition diagram of embodiment 2 in the utility model.
Fig. 7 is the enlarged drawing in the region C in Fig. 6.
Fig. 8 is the enlarged drawing in the region D in Fig. 6.
Fig. 9 is the positive terminal the schematic diagram of the section structure of embodiment 2 in the utility model.
Wherein: 1- coping plate；Plastic cement under 2-；3- pole；4- plastic parts；5- sealing ring；6- rotating sheet；7- resistor disc；8-
Rotating sheet air hole；9- air slot；11- lid ontology；12- limiting groove；13- ledge；14- liquid injection hole；15- explosion-proof valve；121-
Rotating sheet ventilating groove；122- pole mounting hole；131- annular convex；132- groove body；31- pole ontology；32- pedestal；311- is convex
Seat；41- rotating sheet accepting hole；42- pole through hole；The first groove of 43-；The second groove of 44-.
Specific embodiment
As used some vocabulary to censure specific components in the specification and claims.Those skilled in the art answer
It is understood that hardware manufacturer may call the same component with different nouns.This specification and claims are not with name
The difference of title is as the mode for distinguishing component, but with the difference of component functionally as the criterion of differentiation.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer within an acceptable error range, those skilled in the art can solve technology within a certain error range
Problem basically reaches technical effect.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as level " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description originally
Utility model and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as limiting the present invention.
In utility model unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation "
Equal terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in utility model.
The utility model is described in further detail below in conjunction with attached drawing, but not as the restriction to the utility model.
Embodiment 1
As shown in Fig. 1 ~ 5, a kind of assembling structure of power battery top cover, including coping plate 1, setting are in 1 bottom of coping plate
Lower plastic cement 2 and be set to the pole 3 of coping plate 1, coping plate 1 includes lid ontology 11, the limiting groove that lid ontology 11 is arranged in
12 and it is placed in the ledge 13 of limiting groove 12, pole 3 includes pole ontology 31 and the pedestal that 31 lower end of pole ontology is arranged in
32, pole ontology 31 is arranged with the plastic parts 4 cooperated with ledge 13, and sealing ring 5 is arranged between pedestal 32 and limiting groove 12.
Plastic parts 4 makes pole 3 be fastened on limiting groove 12, prevents pole 3 from occurring to loosen and generate security risk, guarantees battery cap
Reliability, while also functioning to the effect of protection ledge 13；Limiting groove 12 uses step-like design, not only guarantees the function of battery
It can be unaffected, moreover it is possible to reduce pole 3 in the height of inside battery, so that inside battery is placed bigger battery core, to mention
The energy density of high battery, while limiting groove 12, it is convenient that ledge 13 is assembled, so that cap structure is more compact, mention
Space-efficient；5 sealed base 32 of sealing ring and limiting groove 12, prevent electrolyte by crevice corrosion plastic parts 4, also rise
To insulator foot 32 and limiting groove 12；Lower plastic cement 2 can be improved the insulation performance of coping plate 1 Yu battery core, prevent electrolyte rotten
Deroofing cover plate 1 leads to battery short circuit.
Preferably, rotating sheet ventilating groove 121 and pole mounting hole 122 are provided in limiting groove 12, limiting groove 12
Bottom is provided with convex closure, and rotating sheet ventilating groove 121 is sealed by rotating sheet 6, and pedestal 32 is fixed by pole mounting hole 122
In coping plate 1, pole ontology 31 covers limiting groove 12.Rotating sheet ventilating groove 121 plays the role of limiting 6 position of rotating sheet；
The shape of pole mounting hole 122 and the shape of pedestal 32 correspond, and entire pedestal 32, which is equivalent to, is completely embedded into coping plate 1
In, so that cap structure is more compact, improve the space utilization rate of coping plate 1.
Preferably, plastic parts 4 is provided with rotating sheet accepting hole 41 and pole through hole 42, rotating sheet accepting hole 41 and overturning
Piece ventilating groove 121 is corresponding, and pole through hole 42 is corresponding with pole mounting hole 122.Rotating sheet accepting hole 41 ensures rotating sheet 6
Sufficient space can be possessed to be overturn；Pedestal 32 passes through pole through hole 42 and is mounted on coping plate 1.
Preferably, ledge 13 is provided with the annular convex 131 of protrusion surface, is provided with groove body 132 on annular convex 131,
The edge of plastic parts 4 is provided with the first groove 43 cooperated with annular convex 131.The first groove 43 is added, is realized plastic parts 4
It is fastened on ledge 13, reduces staking process, while not influencing the basic function of battery；Groove body 132 can increase by 4 stress surface of plastic parts
Product guarantees battery quality to promote 3 pulling force of pole.
Preferably, the side of pole ontology 31 is provided with projection seat 311, and the inside of plastic parts 4 is provided with to be cooperated with projection seat 311
The second groove 44.The second groove 44 is added, realizes and plastic parts 4 is fastened on pole ontology 31, reduces staking process, while not
Influence the basic function of battery.
Preferably, plastic parts 4 is an integral molding structure.Plastic parts 4 not only improves battery assembly using the design of integral type
Efficiency, and the rigidity of plastic parts 4 is improved, to reduce the risk of battery short circuit.
Preferably, the shape of pole ontology 31 is rectangular, oval or round, and the shape of ledge 13 and plastic parts 4 is side
Shape, ellipse or circle.
Preferably, coping plate 1 is fixedly connected with lower plastic cement 2 by welding mode.It is fixed by welding mode, it can
It is further reduced the gap between coping plate 1 and lower plastic cement 2, while reducing lower plastic cement 2 in inside battery the space occupied, is helped
In the energy density for promoting battery.
Preferably, coping plate 1 is additionally provided with liquid injection hole 14.Liquid injection hole 14, convenient for injecting the electrolyte into inside battery.
Preferably, pole 3 divides for positive terminal and negative terminal, and positive terminal is an integral molding structure, and negative terminal is to pass through welding
Or the compound pole that welding is formed, the plastic parts 4 for being set in positive terminal is conductive plastic of the resistance value less than 20mohm, is set in
The plastic parts 4 of negative terminal is insulated plastic.The pole ontology 31 of negative terminal is metallic aluminium, and pedestal 32 is metallic copper, that is, is formed multiple
Pole is closed, can guarantee that the quality of battery is unaffected, reduces the production cost of pole 3；The plastic parts 4 for being set in positive terminal is
Conductive plastic, the plastic parts 4 for being set in negative terminal is insulated plastic, can be when high temperature, high pressure occur for inside battery, by turning over
Rotor 6 is normally overturn, and is realized that positive terminal is connected with negative terminal, that is, is formed internal protection circuit, prevent battery explosion.
Using a kind of above-mentioned assembly method of the assembling structure of power battery top cover, comprising the following steps:
1) plastic parts 4 is set in pole ontology 31, and combines the second groove 44 with projection seat 311, then by sealing ring 5
It is set in pedestal 32, rotating sheet 6 is installed on rotating sheet ventilating groove 121；
2) ledge 13 is installed on limiting groove 12, pole 3 is then passed through into ledge 13 and is installed on limiting groove 12, and is made
First groove 43 is combined with annular convex 131；
3) coping plate 1 is fixedly connected with lower plastic cement 2 using welding mode.
It should be noted that: plastic parts 4 is set in pole ontology 31 by step 1), can protect the side of pole ontology 31
Edge, while preventing pole ontology 31 from loosening or shifting and generating short circuit, the second groove 44 is combined with projection seat 311 also, is subtracted
Few staking process can also have the function that fasten pole 3, then sealing ring 5 is set in the pedestal 32 of pole 3, prevent from being electrolysed
The compound place of corrosion pole ontology 31 and pedestal 32, causes battery to break down；Step 2) ledge 13 is separately fabricated to be can reach
Higher precision, moreover it is possible to reduce the manufacturing process of coping plate 1；Step 3) connects coping plate 1 and lower plastic cement 2 using welding mode,
It can be further reduced the gap between coping plate 1 and lower plastic cement 2, while reducing lower plastic cement 2 in inside battery the space occupied.
Embodiment 2
As shown in Fig. 6 ~ 9, unlike the first embodiment: the plastic parts 4 for being set in positive terminal of the present embodiment and being set in
The plastic parts 4 of negative terminal is insulated plastic, is provided with resistance between the pole ontology 31 of positive terminal, coping plate 1 and sealing ring 5
Piece 7, plastic parts 4 are additionally provided with rotating sheet air hole 8, and ledge 13 is provided with the air slot 9 cooperated with rotating sheet air hole 8, top
Cover plate 1 is additionally provided with explosion-proof valve 15.Resistor disc 7 is the stainless steel material that resistance value is less than 20mohm, can be sent out in inside battery
When raw high temperature, high pressure, is normally overturn by rotating sheet 6, realizes that positive terminal is connected with negative terminal, that is, form internal protection circuit,
Prevent battery explosion；Rotating sheet air hole 8 can be such that cell internal pressure drops in time when high temperature, high pressure occur for inside battery
It is low, while rotating sheet 6 being promoted to overturn；Explosion-proof valve 15 can battery due to overcharging, over-discharge, overcurrent and internal short-circuit of battery cause
When inner pressure of battery rises, makes the automatic quick pressure releasing of battery, battery explosion is avoided to lead to the generation of safety accident.
Other structures are same as Example 1, and which is not described herein again.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is modified.Therefore, the utility model is not limited to above-mentioned specific embodiment, all this field skills
It is practical new that art personnel any conspicuous improvement made on the basis of the utility model, replacement or modification belong to this
The protection scope of type.In addition, these terms are intended merely to facilitate although using some specific terms in this specification
It is bright, any restrictions are not constituted to the utility model.
Claims (13)
1. a kind of assembling structure of power battery top cover, including coping plate (1), setting the coping plate (1) bottom lower modeling
Glue (2) and the pole (3) for being set to the coping plate (1), it is characterised in that: the coping plate (1) includes lid ontology (11), sets
Set the lid ontology (11) limiting groove (12) and be placed in the ledge (13) of the limiting groove (12), the pole
It (3) include the pedestal (32) of pole ontology (31) and setting in pole ontology (31) lower end, pole ontology (31) set
Equipped with the plastic parts (4) cooperated with the ledge (13), it is arranged between the pedestal (32) and the limiting groove (12) close
Seal (5).
2. a kind of assembling structure of power battery top cover as described in claim 1, it is characterised in that: the limiting groove (12)
It is inside provided with rotating sheet ventilating groove (121) and pole mounting hole (122), the bottom of the limiting groove (12) is provided with convex closure,
The rotating sheet ventilating groove (121) is sealed by rotating sheet (6), and the pedestal (32) passes through the pole mounting hole
(122) it is fixed on the coping plate (1), the pole ontology (31) covers the limiting groove (12).
3. a kind of assembling structure of power battery top cover as claimed in claim 2, it is characterised in that: the plastic parts (4) sets
It is equipped with rotating sheet accepting hole (41) and pole through hole (42), the rotating sheet accepting hole (41) and the rotating sheet ventilating groove
(121) corresponding, the pole through hole (42) is corresponding with pole mounting hole (122).
4. a kind of assembling structure of power battery top cover as described in claim 1, it is characterised in that: the plastic parts (4) is also
It is provided with rotating sheet air hole (8), the ledge (13) is provided with the air slot (9) with the rotating sheet air hole (8) cooperation.
5. a kind of assembling structure of power battery top cover as described in claim 1, it is characterised in that: ledge (13) setting
There is the annular convex (131) of protrusion surface, is provided with groove body (132) on the annular convex (131), the plastic parts (4)
Edge is provided with the first groove (43) with the annular convex (131) cooperation.
6. a kind of assembling structure of power battery top cover as described in claim 1, it is characterised in that: the pole ontology (31)
Side be provided with projection seat (311), be provided on the inside of the plastic parts (4) with the projection seat (311) cooperation the second groove
(44)。
7. a kind of assembling structure of power battery top cover as described in claim 1, it is characterised in that: the plastic parts (4) is
Integrated formed structure.
8. a kind of assembling structure of power battery top cover as described in claim 1, it is characterised in that: the pole ontology (31)
Shape be it is rectangular, oval or round, the shape of the ledge (13) and the plastic parts (4) be it is rectangular, oval or
It is round.
9. a kind of assembling structure of power battery top cover as described in claim 1, it is characterised in that: the coping plate (1) and
The lower plastic cement (2) is fixedly connected by welding mode.
10. a kind of assembling structure of power battery top cover as described in claim 1, it is characterised in that: the coping plate (1) is also
It is provided with liquid injection hole (14) and explosion-proof valve (15).
11. a kind of assembling structure of power battery top cover as described in claim 1, it is characterised in that: the pole (3) is divided into
Positive terminal and negative terminal, the positive terminal are an integral molding structure, the negative terminal be by be soldered or welded to be formed it is compound
Pole.
12. a kind of assembling structure of power battery top cover as claimed in claim 11, it is characterised in that: be set in the anode
The plastic parts (4) of column is the conductive plastic that resistance value is less than 20mohm, is set in the plastic parts (4) of the negative terminal
For insulated plastic.
13. a kind of assembling structure of power battery top cover as claimed in claim 11, it is characterised in that: be set in the anode
The plastic parts (4) of column and the plastic parts (4) for being set in the negative terminal are insulated plastic, the pole of the positive terminal
Resistor disc (7) are provided between column ontology (31), the coping plate (1) and the sealing ring (5).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821770617 | 2018-10-30 | ||
| CN2018217706171 | 2018-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209401666U true CN209401666U (en) | 2019-09-17 |
Family
ID=67899218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920195175.0U Active CN209401666U (en) | 2018-10-30 | 2019-02-13 | A kind of assembling structure of power battery top cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209401666U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301105A (en) * | 2018-10-30 | 2019-02-01 | 江苏塔菲尔新能源科技股份有限公司 | A kind of assembling structure and its assembly method of power battery top cover |
| CN115347288A (en) * | 2021-05-13 | 2022-11-15 | 荣盛盟固利新能源科技有限公司 | Battery cover plate and power battery |
-
2019
- 2019-02-13 CN CN201920195175.0U patent/CN209401666U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301105A (en) * | 2018-10-30 | 2019-02-01 | 江苏塔菲尔新能源科技股份有限公司 | A kind of assembling structure and its assembly method of power battery top cover |
| CN115347288A (en) * | 2021-05-13 | 2022-11-15 | 荣盛盟固利新能源科技有限公司 | Battery cover plate and power battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109301105A (en) | A kind of assembling structure and its assembly method of power battery top cover | |
| CN110379953A (en) | A kind of assembling structure and its assembly method of battery cap | |
| CN102738522B (en) | Secondary cell | |
| CN209029425U (en) | A kind of assembling structure of power battery top cover and lower plastic cement | |
| CN110429212A (en) | A kind of battery cap assembling structure and assembly method | |
| CN209401666U (en) | A kind of assembling structure of power battery top cover | |
| CN108461665A (en) | Secondary cell head cover and its secondary cell | |
| CN210325871U (en) | Lithium ion power battery cover plate and power battery | |
| CN204102963U (en) | Top cover structure of power battery | |
| CN219123347U (en) | Battery cover plate and lithium ion battery | |
| CN2859815Y (en) | Battery cover sheet and electric battery | |
| CN207199688U (en) | The cap assembly and secondary cell of secondary cell | |
| CN216015523U (en) | Top cap subassembly and electric core of electric core | |
| CN216750166U (en) | Battery with a battery cell | |
| CN215418510U (en) | Integrated pole of secondary battery | |
| CN201466087U (en) | Lithium-ion battery cathode-post riveting sealing structure | |
| CN208298879U (en) | Secondary cell top cover and its secondary cell | |
| CN209298182U (en) | Power battery top cover and power battery | |
| CN207993944U (en) | Lithium battery explosion-proof valve and lithium battery | |
| CN207896133U (en) | A kind of power battery cap assembly | |
| CN209249605U (en) | A kind of power battery top cover pole rubber-wrapping structure | |
| CN209691801U (en) | A kind of insulation system of battery cap | |
| CN107968218A (en) | Combined cap integrated coating battery | |
| CN208923267U (en) | Secondary battery pole column assembly and its secondary cell top cover | |
| CN210576137U (en) | Starting battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220120 Address after: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zenergy Battery Technologies Co.,ltd Address before: 211100 Lantian Road 249, Airport Economic Development Zone, Jiangning District, Nanjing City, Jiangsu Province Patentee before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zhengli New Energy Battery Technology Co.,Ltd. Country or region after: China Address before: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee before: Jiangsu Zenergy Battery Technologies Co.,ltd Country or region before: China |
|
| CP03 | Change of name, title or address |