CN206250269U - A kind of assembling structure of the compound pole of electrokinetic cell - Google Patents
A kind of assembling structure of the compound pole of electrokinetic cell Download PDFInfo
- Publication number
- CN206250269U CN206250269U CN201621300843.4U CN201621300843U CN206250269U CN 206250269 U CN206250269 U CN 206250269U CN 201621300843 U CN201621300843 U CN 201621300843U CN 206250269 U CN206250269 U CN 206250269U
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- Prior art keywords
- pole
- cylinder
- coping plate
- electrokinetic cell
- assembling structure
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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 belongs to power battery technology field, more particularly to a kind of assembling structure of the compound pole of electrokinetic cell, including coping plate and compound pole, coping plate is provided with mounting hole, coping plate is sheathed on compound pole by mounting hole, compound pole includes the first cylinder and the second cylinder, first cylinder includes matrix part and the trunk portion extended downwardly from matrix part, the lower end of trunk portion is connected by way of welding with the second cylinder, the lower end riveting of the second cylinder has conductive matrix, high-temperature insulation block is arranged between first cylinder and coping plate, seal is arranged between conductive matrix and coping plate.The T-shaped structure that compound pole is arranged to be completely contradicted with existing compound pole by the utility model such that it is able to effectively improve the conveyance capacity on pole surface；Riveted structure is arranged on the bottom of pole simultaneously, can solve the problem that existing compound pole surface leaves welding print and causes the compound inaesthetic problem in pole surface；And it is the utility model compact conformation, safe and reliable.
Description
Technical field
The utility model belongs to power battery technology field, more particularly to a kind of electrokinetic cell is combined the assembling knot of pole
Structure.
Background technology
In power battery technology field, pole is that the part inside and outside battery is connected in electrokinetic cell, one end of pole with it is dynamic
The external circuit connection of power battery, the other end is connected with the inside battery core of electrokinetic cell, battery is realized the work(of discharge and recharge
Energy.Due to the external circuit of battery uses aluminum can be with reduces cost and weight, so the company in external circuit between cell
Connect and generally use aluminium flake, but battery core inside negative pole currect collecting piece is copper foil material, it requires that negative terminal just can guarantee that for copper product
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 is aluminium, and in the inside of battery, the material of pole is copper, is linked together shape by friction welding (FW) between copper aluminium
Into a compound pole of entirety.
Therefore, the structure of compound pole is general at present is made up of copper substrates seat and the aluminium post being connected on copper substrates seat, and
Mainly there are Screw assembly and jump ring to assemble two kinds to the assembling mode for being combined pole in the prior art.Wherein, Screw assembly be
It is threaded on pole, then pole is fixed with coping plate with nut, due to the method requirement pole processing screw thread, and is needed
Nut is wanted, processed complex is relatively costly, and efficiency of assembling is low, and product is heavier.Jump ring assembling is then that ring is machined with pole
The draw-in groove of shape, is attached on the draw-in groove of pole by jump ring, pushes down coping plate and other parts, is allowed to move axially, from
And realize the assembling between pole and coping plate；Although this mode has reliability higher, and can compared to Screw assembly
Mitigate product weight, but this mode equally exists the low problem of cumbersome, efficiency of assembling of processing, but also exist due to jump ring dress
Cause pole to release with not in place, battery core short circuit risk.
Additionally, above two assembling mode also has common defect：On the one hand, riveting is set in the upper surface of compound pole
Binding structure so that welding print is left on compound pole surface, causes compound pole surface unsightly；On the other hand, existing composite pole
Up-small and down-big " Shang " the shape mounting structure of post causes that the area of passage on compound pole surface is smaller, so as to cause it to be transferred with outside
Conveyance capacity is poor when piece is connected.
In view of this, it is improved further it is necessory to the assembling structure to the compound pole of existing electrokinetic cell, is made
It can either optimize assembling structure, it is ensured that the reliability that pole is assembled with coping plate, while can improve the excessively stream on pole surface again
Ability, and take into account the attractive in appearance of pole surface.
Utility model content
The purpose of this utility model is：In view of the shortcomings of the prior art, a kind of compound pole of electrokinetic cell is provided
Assembling structure, the reliability for making it to ensure pole and coping plate assembling, while the excessively stream energy on pole surface can be improved again
Power, and take into account the attractive in appearance of pole surface.
To achieve these goals, the utility model uses solution below：
A kind of assembling structure of the compound pole of electrokinetic cell, including coping plate and compound pole, the coping plate are provided with
Mounting hole, the coping plate is sheathed on the compound pole by the mounting hole, the compound pole include the first cylinder and
Second cylinder, first cylinder includes matrix part and the trunk portion extended downwardly from matrix part, and the lower end of the trunk portion leads to
The mode for crossing welding is connected with second cylinder, and the lower end riveting of second cylinder has conductive matrix, first cylinder
High-temperature insulation block is arranged with and the coping plate between, seal is arranged between the conductive matrix and the coping plate.
Improved as a kind of the of assembling structure of the compound pole of the utility model electrokinetic cell, first cylinder is aluminium post
Body, second cylinder is copper post body.
Improved as a kind of the of assembling structure of the compound pole of the utility model electrokinetic cell, the lower end of the conductive matrix
It is connected with the piece that is flexible coupling.Preferably, conductive matrix is copper billet, and the piece that is flexible coupling is for copper is flexible coupling piece.
Improved as a kind of the of assembling structure of the compound pole of the utility model electrokinetic cell, it is first cylinder, described
Insulation plastic cement is provided between high-temperature insulation block and the coping plate；The conductive matrix, the seal and the top
Lower insulation plastic cement is provided between cover plate.Setting upper and lower insulation plastic cement can effectively be fixed to above-mentioned parts, while plus
Sealing effectiveness between strong above-mentioned parts.
Improved as a kind of the of assembling structure of the compound pole of the utility model electrokinetic cell, the conductive matrix is provided with
Riveting groove, the lower end of second cylinder is provided with the boss being engaged with the riveting groove.
Improved as a kind of the of assembling structure of the compound pole of the utility model electrokinetic cell, the conductive matrix also sets up
There is welding groove, the conductive matrix is welded with second cylinder by the welding groove and is formed with welding rib.If only adopting
It is relatively low with the possible reliability of the mode of riveting, therefore in order to further improve the reliability of conductive matrix and the connection of compound pole
Property, the mode that preferred weld and riveting are combined；Setting welding groove can avoid causing not prison welding to be consolidated because solder is blocked up；
And second the welding rib formed after cylinder and conductive base block welding can increase area of passage, improve conveyance capacity.
Improved as a kind of the of assembling structure of the compound pole of the utility model electrokinetic cell, the seal is close for insulation
Seal, the insulated enclosure circle includes ring-type pedestal and projects into coping plate around compound pole from the ring-type pedestal
Cyclic convex edge in mounting hole.Wherein, can effectively prevent coping plate or pole from processing insulated enclosure circle setting stepped
The short circuit problem that the metal fillings and burr that process is produced are caused.
Improved as a kind of the of assembling structure of the compound pole of the utility model electrokinetic cell, the coping plate is provided with convex
For the convex closure of upper surface, the convex closure forms convex closure resettlement section in the lower surface of coping plate, and the mounting hole is arranged at described
In convex closure.By in the convex closure resettlement section that coping plate is moved on conductive matrix during installation, ensureing the same of electrokinetic cell key property
When, height of the pole in enclosure interior is reduced, bigger installing space is vacateed to battery core, so that the energy of electrokinetic cell
Density gets a promotion.
Improved as a kind of the of assembling structure of the compound pole of the utility model electrokinetic cell, the matrix of first cylinder
The first locating dowel is provided between portion and the coping plate；The second positioning is provided between the conductive matrix and the coping plate
Post.Preferably, the first locating dowel and the second locating dowel are made by ceramic material.Wherein, first, second locating dowel is set
Purpose be to prevent from being shifted between parts in assembling process.
A kind of improvement of the assembling structure of pole, first locating dowel and institute are combined as the utility model electrokinetic cell
The quantity for stating the second locating dowel is disposed as at least two.
Improved as a kind of the of assembling structure of the compound pole of the utility model electrokinetic cell, the shape of the pole is in T
Font.
The beneficial effects of the utility model are：A kind of assembling structure of the compound pole of electrokinetic cell of the utility model, bag
Coping plate and compound pole 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 includes the first cylinder and the second cylinder, and first cylinder includes matrix part and from matrix part
The trunk portion for extending downwardly, the lower end of the trunk portion is connected by way of welding with second cylinder, second post
The lower end riveting of body has conductive matrix, and high-temperature insulation block is arranged between first cylinder and the coping plate, described to lead
Seal is arranged between electric matrix and the coping plate.Compared to prior art, be arranged to for compound pole by the utility model
The T-shaped structure completely contradicted with existing compound pole, increased the surface area of compound pole such that it is able to effectively improve compound
The conveyance capacity on pole surface；Riveted structure is arranged on the bottom of compound pole simultaneously, existing compound pole table is can solve the problem that
Leave welding print and cause the compound inaesthetic problem in pole surface in face；And the utility model is by compound pole and conductive matrix
The work shape structure for being formed is connected, good axially position effect can be played to part between the two so that the utility model
It is compact conformation, safe and reliable, simultaneously because not using screw thread or jump ring to assemble, the use of nut and jump ring is reduced, save
Production cost, improves production efficiency, it is thus also avoided that because jump ring assembling it is not in place cause pole to release, battery core short circuit wind
Danger.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1- coping plates；11- convex closures；12- convex closures resettlement section；13- mounting holes；2- is combined pole；The cylinders of 21- first；
211- matrix parts；212- trunk portions；The cylinders of 22- second；221- boss；3- high-temperature insulation blocks；4- seals；5- conductive bases
Block；51- rivets groove；52- welding grooves；53- welds rib；6- is flexible coupling piece；Insulate plastic cement on 7-；Insulate plastic cement under 8-；9-
One locating dowel；The locating dowels of 10- second.
Specific embodiment
The utility model is described in further detail below in conjunction with specific embodiment and Figure of description, but,
Specific embodiment of the present utility model is not limited thereto.
As shown in figure 1, a kind of assembling structure of the compound pole of electrokinetic cell, including coping plate 1 and compound pole 2, top cover
Piece 1 is provided with mounting hole 13, and coping plate 1 is sheathed on compound pole 2 by mounting hole 13, what compound pole 2 was made including aluminium
The second cylinder 22 that first cylinder 21 and copper material are made, the shape for being combined pole 2 is in T shape；First cylinder 21 includes matrix part
211 and the trunk portion 212 that is extended downwardly from matrix part 211, the lower end of trunk portion 212 by way of welding with the second cylinder 22
" work " shape structure is connected and is formed, the lower end riveting of the second cylinder 22 has conductive matrix 5, wherein, conductive matrix 5 is provided with riveting
Groove 51, the lower end of the second cylinder 22 is provided with and rivets the boss 221 that groove 51 is engaged, by boss 221 and riveting groove 51 it
Between male-female engagement the second cylinder 22 and conductive matrix 5 is realized riveting；The lower end of conductive matrix 5 is connected with the piece 6 that is flexible coupling, its
In, conductive matrix 5 is copper billet, and the piece 6 that is flexible coupling is for copper is flexible coupling piece 6；High temperature resistant is arranged between first cylinder 21 and coping plate 1
Collets 3, are arranged with seal 4 between conductive matrix 5 and coping plate 1；First cylinder 21, high-temperature insulation block 3 and coping plate 1
Between be provided with insulation plastic cement 7, be provided between conductive matrix 5, seal 4 and coping plate 1 it is lower insulation plastic cement 8；In setting
Insulation plastic cement 7 and lower insulation plastic cement 8 can effectively be fixed to above-mentioned parts, while close between strengthening above-mentioned parts
Envelope effect.
In an embodiment of the assembling structure according to the compound pole of electrokinetic cell of the present utility model, conductive matrix 5 is also
Welding groove 52 is provided with, conductive matrix 5 is welded by the cylinder 22 of welding groove 52 and second and is formed with welding rib 53.If only adopting
With riveting mode may reliability it is relatively low, therefore in order to further improve conductive matrix 5 and compound pole 2 connection can
By property, the mode that preferred weld and riveting are combined；Setting welding groove 52 can avoid causing welding because solder is blocked up not
Firmly；And second cylinder 22 and conductive matrix 5 weld after the welding rib 53 that is formed can increase area of passage, improve excessively stream energy
Power.
In an embodiment of the assembling structure according to the compound pole of electrokinetic cell of the present utility model, seal 4 is exhausted
Edge sealing ring, insulated enclosure circle includes ring-type pedestal and projects into the peace of coping plate 1 around compound pole 2 from ring-type pedestal
Cyclic convex edge in dress hole 13.Wherein, insulated enclosure circle setting stepped can effectively be prevented into coping plate 1 or compound pole
The short circuit problem that the metal fillings and burr that 2 process are produced are caused.
In an embodiment of the assembling structure according to the compound pole of electrokinetic cell of the present utility model, coping plate 1 is set
There is the convex closure 11 for protruding from upper surface, convex closure 11 forms convex closure resettlement section 12 in the lower surface of coping plate 1, and mounting hole 13 is arranged at
In convex closure 11.By in the convex closure resettlement section 12 that coping plate 1 is moved on conductive matrix 5 during installation, ensureing electrokinetic cell basic nature
While energy, height of the pole in enclosure interior is reduced, bigger installing space has been vacateed to battery core, so that electrokinetic cell
Energy density get a promotion.
In an embodiment of the assembling structure according to the compound pole of electrokinetic cell of the present utility model, the first cylinder 21
The first locating dowel 9 is provided between matrix part 211 and coping plate 1；The second positioning is provided between conductive matrix 5 and coping plate 1
Post 10；The quantity of the first locating dowel 9 and the second locating dowel 10 is disposed as at least two.It is fixed that first locating dowel 9 and second is set
The purpose of position post 10 is to prevent from being shifted between parts in assembling process；Preferably, the first locating dowel 9 and the second locating dowel
10 are made by ceramic material.
The announcement and teaching of book according to the above description, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and changed.Therefore, the utility model is not limited to above-mentioned specific embodiment, every this area skill
Art personnel on the basis of the utility model it is done it is any conspicuously improved, replace or modification belongs to this practicality newly
The protection domain of type.Although additionally, having used some specific terms in this specification, these terms are intended merely to convenient saying
It is bright, any limitation is not constituted to the utility model.
Claims (10)
1. a kind of electrokinetic cell is combined the assembling structure of pole, including coping plate and compound pole, and the coping plate is provided with peace
Dress hole, the coping plate is sheathed on the compound pole by the mounting hole, it is characterised in that：The compound pole includes the
One cylinder and the second cylinder, first cylinder include matrix part and the trunk portion extended downwardly from matrix part, the trunk portion
Lower end be connected with second cylinder by way of welding, the lower end of second cylinder rivets conductive matrix, described
High-temperature insulation block is arranged between first cylinder and the coping plate, is arranged between the conductive matrix and the coping plate
Seal.
2. electrokinetic cell according to claim 1 is combined the assembling structure of pole, it is characterised in that：First cylinder is
Aluminium cylinder, second cylinder is copper post body.
3. electrokinetic cell according to claim 1 is combined the assembling structure of pole, it is characterised in that：The conductive matrix
Lower end is connected with the piece that is flexible coupling.
4. electrokinetic cell according to claim 1 is combined the assembling structure of pole, it is characterised in that：First cylinder,
Insulation plastic cement is provided between the high-temperature insulation block and the coping plate；The conductive matrix, the seal and institute
State and be provided with lower insulation plastic cement between coping plate.
5. electrokinetic cell according to claim 1 is combined the assembling structure of pole, it is characterised in that：The conductive matrix sets
Riveting groove is equipped with, the lower end of second cylinder is provided with the boss being engaged with the riveting groove.
6. electrokinetic cell according to claim 5 is combined the assembling structure of pole, it is characterised in that：The conductive matrix is also
Welding groove is provided with, the conductive matrix is welded with second cylinder by the welding groove and is formed with welding rib.
7. electrokinetic cell according to claim 1 is combined the assembling structure of pole, it is characterised in that：The seal is exhausted
Edge sealing ring, the insulated enclosure circle includes ring-type pedestal and projects into top cover around compound pole from the ring-type pedestal
Cyclic convex edge in the mounting hole of piece.
8. electrokinetic cell according to claim 1 is combined the assembling structure of pole, it is characterised in that：The coping plate is set
There is the convex closure for protruding from upper surface, the convex closure forms convex closure resettlement section in the lower surface of coping plate, and the mounting hole is arranged at
In the convex closure.
9. electrokinetic cell according to claim 1 is combined the assembling structure of pole, it is characterised in that：First cylinder
The first locating dowel is provided between matrix part and the coping plate；Second is provided between the conductive matrix and the coping plate
Locating dowel.
10. electrokinetic cell according to claim 9 is combined the assembling structure of pole, it is characterised in that：First positioning
The quantity of post and second locating dowel is disposed as at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621300843.4U CN206250269U (en) | 2016-11-30 | 2016-11-30 | A kind of assembling structure of the compound pole of electrokinetic cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621300843.4U CN206250269U (en) | 2016-11-30 | 2016-11-30 | A kind of assembling structure of the compound pole of electrokinetic cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206250269U true CN206250269U (en) | 2017-06-13 |
Family
ID=59001196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621300843.4U Active CN206250269U (en) | 2016-11-30 | 2016-11-30 | A kind of assembling structure of the compound pole of electrokinetic cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206250269U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018099094A1 (en) * | 2016-11-30 | 2018-06-07 | 东莞塔菲尔新能源科技有限公司 | Assembling structure for cap plate and electrode terminal post of power battery |
-
2016
- 2016-11-30 CN CN201621300843.4U patent/CN206250269U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018099094A1 (en) * | 2016-11-30 | 2018-06-07 | 东莞塔菲尔新能源科技有限公司 | Assembling structure for cap plate and electrode terminal post of power battery |
| US10862081B2 (en) | 2016-11-30 | 2020-12-08 | Jiangsu Tafel New Energy Technology Co., Ltd | Assembly structure of cover and terminal for power 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: 20211208 Address after: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zhengli new energy battery technology Co.,Ltd. Address before: 523000 Dalang Town, Dongguan, Guangdong province Xiangshan Pine Hill Village Xiangshan Industrial Park Jiayuan Road No. 9 Patentee before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: Shenzhen Tafel New Energy Technology Co., Ltd |