CN208062149U - A kind of assembling structure of the compound pole of power battery - Google Patents
A kind of assembling structure of the compound pole of power battery Download PDFInfo
- Publication number
- CN208062149U CN208062149U CN201820362082.8U CN201820362082U CN208062149U CN 208062149 U CN208062149 U CN 208062149U CN 201820362082 U CN201820362082 U CN 201820362082U CN 208062149 U CN208062149 U CN 208062149U
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- China
- Prior art keywords
- matrix part
- trunk portion
- pole
- coping plate
- compound pole
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a kind of assembling structure of the compound pole of power battery, including compound pole and coping plate, coping plate is provided with mounting hole, coping plate is sheathed on compound pole by mounting hole, compound pole includes the first matrix part, the trunk portion being downwardly extending by the first matrix part and the second matrix part for being fixedly connected on trunk portion lower end, and fixed card slot is formed between the first matrix part, the second matrix part and trunk portion；Trunk portion is arranged with sealing ring, and the first insulating part is provided between the first matrix part, trunk portion, sealing ring and coping plate, the second insulating part is provided between the second matrix part, sealing ring and coping plate.Compared with the prior art, on the one hand, the utility model compact assembling structure, secure and reliable connection effectively improve the security performance of battery；On the other hand, the utility model pole column structure, which eliminates traditional T fonts pole, also needs the process riveted with conducting block, substantially increases efficiency of assembling, reduces production cost.
Description
Technical field
The utility model belongs to the assembly knot of power battery technology field more particularly to a kind of compound pole of power battery
Structure.
Background technology
In power battery technology field, pole is the component being connected in power battery inside and outside battery, one end of pole with it is dynamic
The external circuit of power battery connects, and the inside battery core of the other end and power battery connects, and battery is enable to realize the work(of charge and discharge
Energy.Since the external circuit of battery can reduce cost and weight using aluminum material, so the company in external circuit between single battery
It connects and generally uses aluminium flake, but negative pole currect collecting piece is copper foil material inside battery core, it requires that negative terminal is that copper product just can guarantee
The performance of battery.According to this needs, current power battery cathode has using Copper-Aluminum compound pole.In the outer of battery
Portion, pole material are aluminium, and in the inside of battery, and the material of pole is copper, are linked together shape by friction welding (FW) between copper aluminium
At a compound pole of entirety.
The structure of current compound pole generally constitutes T font structures by bottom susceptor and the circular columns being connected in bottom susceptor,
And the assembly method of pole mainly has Screw assembly, clamp spring assembly and riveting assembly several.Wherein, Screw assembly is on pole
It is threaded, then so that pole is fixed with coping plate with nut, since the method requires pole to process screw thread, and need spiral shell
Mother, processing is complicated, and cost is higher, and efficiency of assembling is low, and product is heavier.Clamp spring assembly is then that annular is machined on pole
Card slot pushes down coping plate and other parts, is allowed to move axially, to real by the way that clamp spring is attached on the card slot of pole
Existing assembly between pole and coping plate；Although this mode has higher reliability, and can mitigate compared to Screw assembly
Product weight, however this mode equally exists the problem cumbersome, efficiency of assembling is low of processing, but also exist due to clamp spring assembly not
Pole is caused to loosen in place, the risk of battery core short circuit.Riveting assembly be then by T font poles be arranged in after coping plate again with lead
Electric block is riveted, however the mode reliability riveted is relatively low, can not ensure the stability after pole is connected with conducting block；
And the mode of riveting keeps pole and conducting block contact area too small, it is poor so as to cause conveyance capacity between the two.
In view of this, it is necessory to be improved further to existing pole assembling structure, to overcome drawbacks described above.
Utility model content
The purpose of this utility model is that：In view of the deficiencies of the prior art, a kind of compound pole of power battery is provided
Assembling structure to improve the reliability of pole assembling structure, and effectively simplifies existing pole assembling structure, improves pole assembly
Efficiency reduces production cost.
To achieve the goals above, the utility model uses following solution：
A kind of assembling structure of the compound pole of power battery, including compound pole and coping plate, the coping plate are provided with
Mounting hole, the coping plate are sheathed on the compound pole by the mounting hole, the compound pole include the first matrix part,
The trunk portion that is downwardly extending by the first matrix part and the second matrix part for being fixedly connected on the trunk portion lower end,
It is formed with fixed card slot between first matrix part, second matrix part and the trunk portion；The trunk portion is arranged with
Sealing ring is provided with the first insulating part between first matrix part, the trunk portion, the sealing ring and the coping plate,
It is provided with the second insulating part between second matrix part, the sealing ring and the coping plate.Wherein, the fixed card slot of formation
For fixing the parts such as coping plate, insulating part, prevent its generation axially displaced.
The preferred embodiment of assembling structure as the compound pole of power battery described in the utility model, the trunk portion and
Third matrix part is additionally provided between the sealing ring.
The preferred embodiment of assembling structure as the compound pole of power battery described in the utility model, the compound pole
For Copper-Aluminum compound pole, wherein first matrix part, the trunk portion and the third matrix part are made of aluminium base, institute
The second matrix part is stated to be made of Copper base material.
The preferred embodiment of assembling structure as the compound pole of power battery described in the utility model, the trunk portion and
The third matrix part is connect by way of friction welding (FW) or welding with second matrix part.
The preferred embodiment of assembling structure as the compound pole of power battery described in the utility model, the coping plate are set
It is equipped with the convex closure for protruding from upper surface, the convex closure forms convex closure receiving portion, the mounting hole setting in the lower surface of coping plate
In in the convex closure, second matrix part is set in the convex closure receiving portion.
The preferred embodiment of assembling structure as the compound pole of power battery described in the utility model, first matrix
The size in portion is more than the size of the trunk portion and the size less than second matrix part, and the size of the mounting hole is more than institute
State the size of the first matrix part and the size less than second matrix part.
The preferred embodiment of assembling structure as the compound pole of power battery described in the utility model, the third matrix
The size in portion is more than the size of the trunk portion and the size less than second matrix part, and the size of the mounting hole is more than institute
State the size of third matrix part and the size less than second matrix part.
The preferred embodiment of assembling structure as the compound pole of power battery described in the utility model, first insulation
Part is set to first matrix part, the trunk portion, the sealing ring and the head cover by way of encapsulated injection molding
Between piece.
The beneficial effects of the utility model are：A kind of assembling structure of the compound pole of power battery of the utility model, packet
Compound pole and coping plate are included, the coping plate is provided with mounting hole, and the coping plate is sheathed on described by the mounting hole
Compound pole, the compound pole include the first matrix part, the trunk portion being downwardly extending by the first matrix part and fix
It is connected to the second matrix part of the trunk portion lower end, first matrix part, second matrix part and the trunk portion
Between be formed with fixed card slot；The trunk portion is arranged with sealing ring, first matrix part, the trunk portion, the sealing
It is provided with the first insulating part between circle and the coping plate, between second matrix part, the sealing ring and the coping plate
It is provided with the second insulating part.Compared with the prior art, on the one hand, the utility model compact assembling structure, secure and reliable connection have
Effect improves the security performance of battery；On the other hand, the utility model pole column structure eliminates traditional T fonts pole and also needs and lead
The process that electric block is riveted, substantially increases efficiency of assembling, reduces production cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of embodiment 1 in the utility model.
Fig. 2 is the structural schematic diagram of the pole of embodiment 1 in the utility model.
Fig. 3 is the structural schematic diagram of embodiment 2 in the utility model.
Fig. 4 is the structural schematic diagram of the pole of embodiment 2 in the utility model.
In figure：The compound poles of 1-；The first matrix parts of 11-；The second matrix parts of 12-；13- trunk portions；14- third matrix parts；
2- coping plates；21- convex closures；22- convex closures receiving portion；The first insulating parts of 3-；4- sealing rings；The second insulating parts of 5-.
Specific implementation mode
To keep the technical solution of the utility model and advantage clearer, below in conjunction with specific implementation mode and specification
Attached drawing is described in further detail the utility model and advantage, but the embodiment of the utility model is not limited to
This.
Embodiment 1
As shown in Fig. 1~2, a kind of assembling structure of the compound pole of power battery, including compound pole 1 and coping plate 2, top
Cover plate 2 is provided with mounting hole, and coping plate 2 is sheathed on compound pole 1 by mounting hole, compound pole 1 include the first matrix part 11,
The trunk portion 13 that is downwardly extending by the first matrix part 11 and the second matrix part for being fixedly connected on 13 lower end of trunk portion
12, it is formed with fixed card slot between the first matrix part 11, the second matrix part 12 and trunk portion 13, makes compound pole 1 in I-shaped
Structure；The fixed card slot of formation prevents its generation axially displaced for fixing the parts such as coping plate 2, insulating part.Wherein, multiple
Conjunction pole 1 is Copper-Aluminum compound pole, and the first matrix part 11 and trunk portion 13 are made of aluminium base, and the second matrix part 12 is by Copper base material
It is made；Trunk portion 13 is fixedly connected by modes such as friction welding (FW) or weldings with the second matrix part 12；Wherein, first matrix part 11
Size is more than the size of trunk portion 13 and the size less than the second matrix part 12, and the size of mounting hole is more than the first matrix part 11
Size and the size for being less than the second matrix part 12；Trunk portion 13 is arranged with sealing ring 4, the first matrix part 11, trunk portion 13, sealing
It is provided with the first insulating part 3 between circle 4 and coping plate 2, second is provided between the second matrix part 12, sealing ring 4 and coping plate 2
Insulating part 5.Preferably, the first insulating part 3, sealing ring 4 and the second insulating part 5 are all made of the plastic material with high temperature tolerance energy
It is made, heat resisting temperature >=150 DEG C, such as fluorubber, silicon rubber.
Preferably, coping plate 2 is provided with the convex closure 21 for protruding from upper surface, and convex closure 21 is formed in the lower surface of coping plate 2
Convex closure receiving portion 22, mounting hole are set in convex closure 21, and the second matrix part 12 is set in convex closure receiving portion 22.It will be answered when installation
It closes and is moved into the convex closure receiving portion 22 of coping plate 2 on pole 1, while ensureing power battery basic performance, reduced compound
The height of pole 1 inside housings, the installation space of bigger has been vacateed to battery core, to make the energy density of power battery obtain
It is promoted.
Preferably, the first insulating part 3 be set to by way of encapsulated injection molding the first matrix part 11, trunk portion 13,
Between sealing ring 4 and coping plate 2, and the first insulating part 3 is equipped with gum-injecting port；The set by way of encapsulated injection molding of sealing ring 4
Set on trunk portion 13.It is easy to operate by the way of encapsulated injection molding, and each parts can effectively be fastened, to
Improve the reliability of assembling structure.
Compared with the prior art, on the one hand, the utility model compact assembling structure, secure and reliable connection effectively improve
The security performance of battery；On the other hand, the utility model using I-shaped pole column structure eliminate traditional T fonts pole also need with
The process that conducting block is riveted, substantially increases efficiency of assembling, reduces production cost.
Embodiment 2
As shown in figs. 34, it unlike embodiment 1, is also set between the present embodiment middle column body portion 13 and sealing ring 4
It is equipped with third matrix part 14, third matrix part 14 is circumferentially formed by the lower end of trunk portion 13；Sealing ring 4 is as independent
Parts are sheathed on third matrix part 14；Wherein, the first matrix part 11, trunk portion 13 and third matrix part 14 are by aluminium base system
At the second matrix part 12 is made of Copper base material；Trunk portion 13 and third matrix part 14 are by way of friction welding (FW) or welding with the
Two matrix parts 12 connect；The size of third matrix part 14 is more than the size of trunk portion 13 and the size less than the second matrix part 12,
The size of mounting hole is more than the size of third matrix part 14 and the size less than the second matrix part 12.Remaining assembling structure is the same as implementation
Mode 1, which is not described herein again.
Actual production is found, when forming the first insulating part using encapsulated injection molding process, since hot melt needs to note
Enter in the fixed card slot of pole, thermosol body has certain impact force to the sealing ring for being set in trunk portion at this time, holds very much in this way
Easily sealing ring is made to damage；The present embodiment is encapsulated in progress in this way by the way that third matrix part is arranged between trunk portion and sealing ring
When injection molding forms the first insulating part, sealing ring will be greatly reduced by the impact force of thermosol body, effectively avoid sealing ring by high temperature
Hot melt washes out.
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 changed.Therefore, the utility model is not limited to above-mentioned specific implementation mode, every this field skill
It is new that art personnel any conspicuously improved, replacement or modification made on the basis of the utility model belongs to this practicality
The protection domain of type.In addition, although some specific terms, these terms has been used to be intended merely to facilitate in this specification
It is bright, any restrictions are not constituted to the utility model.
Claims (8)
1. a kind of assembling structure of the compound pole of power battery, including compound pole and coping plate, the coping plate are provided with peace
Hole is filled, the coping plate is sheathed on the compound pole by the mounting hole, it is characterised in that：The compound pole includes the
One matrix part, the trunk portion being downwardly extending by the first matrix part and be fixedly connected on the trunk portion lower end
Two matrix parts are formed with fixed card slot between first matrix part, second matrix part and the trunk portion；The cylinder
Portion is arranged with sealing ring, and first is provided between first matrix part, the trunk portion, the sealing ring and the coping plate
Insulating part is provided with the second insulating part between second matrix part, the sealing ring and the coping plate.
2. the assembling structure of the compound pole of power battery according to claim 1, it is characterised in that：The trunk portion and institute
It states and is additionally provided with third matrix part between sealing ring.
3. the assembling structure of the compound pole of power battery according to claim 2, it is characterised in that：The compound pole is
Copper-Aluminum compound pole, wherein first matrix part, the trunk portion and the third matrix part are made of aluminium base, described
Second matrix part is made of Copper base material.
4. the assembling structure of the compound pole of power battery according to claim 2, it is characterised in that：The trunk portion and institute
Third matrix part is stated to connect with second matrix part by way of friction welding (FW) or welding.
5. the assembling structure of the compound pole of power battery according to claim 1, it is characterised in that：The coping plate setting
There are the convex closure for protruding from upper surface, the convex closure to form convex closure receiving portion in the lower surface of coping plate, the mounting hole is set to
In the convex closure, second matrix part is set in the convex closure receiving portion.
6. the assembling structure of the compound pole of power battery according to claim 1, it is characterised in that：First matrix part
Size be more than the size of the trunk portion and the size less than second matrix part, the size of the mounting hole are more than described
The size of first matrix part and the size for being less than second matrix part.
7. the assembling structure of the compound pole of power battery according to claim 2, it is characterised in that：The third matrix part
Size be more than the size of the trunk portion and the size less than second matrix part, the size of the mounting hole are more than described
The size of third matrix part and the size for being less than second matrix part.
8. the assembling structure of the compound pole of power battery according to claim 1, it is characterised in that：First insulating part
First matrix part, the trunk portion, the sealing ring and the coping plate are set to by way of encapsulated injection molding
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362082.8U CN208062149U (en) | 2018-03-16 | 2018-03-16 | A kind of assembling structure of the compound pole of power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362082.8U CN208062149U (en) | 2018-03-16 | 2018-03-16 | A kind of assembling structure of the compound pole of power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208062149U true CN208062149U (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820362082.8U Active CN208062149U (en) | 2018-03-16 | 2018-03-16 | A kind of assembling structure of the compound pole of power battery |
Country Status (1)
| Country | Link |
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| CN (1) | CN208062149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115395151A (en) * | 2022-10-10 | 2022-11-25 | 广东力宏精密科技有限公司 | Battery cover plate, preparation method and battery |
-
2018
- 2018-03-16 CN CN201820362082.8U patent/CN208062149U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115395151A (en) * | 2022-10-10 | 2022-11-25 | 广东力宏精密科技有限公司 | Battery cover plate, preparation method and battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| 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 Zhengli new energy battery technology Co.,Ltd. Address before: 211100 69, Feitian Road, Jiangning Airport Economic Development Zone, Nanjing, Jiangsu 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. |