CN207250633U - A kind of lithium battery pole rod structure - Google Patents
A kind of lithium battery pole rod structure Download PDFInfo
- Publication number
- CN207250633U CN207250633U CN201721172601.6U CN201721172601U CN207250633U CN 207250633 U CN207250633 U CN 207250633U CN 201721172601 U CN201721172601 U CN 201721172601U CN 207250633 U CN207250633 U CN 207250633U
- Authority
- CN
- China
- Prior art keywords
- pole
- battery core
- fluid injection
- nut
- rod structure
- 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
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
- Secondary Cells (AREA)
Abstract
The utility model discloses a kind of lithium battery pole rod structure, the device includes pole body, battery core welded plate and pole nut, one end that the battery core welded plate is arranged on pole body is used for welding electric core, and the pole nut, which is set on the pole body, to be used to be connected with outer lead；The pole body includes sequentially connected nut linkage section, interlude and battery core linkage section, the pole body includes welding step and fluid injection through hole, the welding bench component level is in the end of the nut linkage section, the fluid injection through hole is opened in the center of welding step, so, fluid injection through hole is directly opened up on pole body, avoid opening fluid injection through hole on the cover board, the mode of fluid injection can be simplified, make fluid injection process more convenient, be conducive to shorten the time of fluid injection, pole is directly welded by battery core welded plate with battery core, can be by the battery core maximum length in battery container, be conducive to be lifted the capacity and energy density of battery.
Description
Technical field
The utility model belongs to technical field of lithium ion, and in particular to a kind of lithium battery pole rod structure.
Background technology
Lithium battery industry cylindrical battery pole and the electric current transmission of internal battery core are required for greatly pole plate, pinboard etc. zero at present
Part switching is transmitted, and part is more, welding sequence is tediously long, inner space is few, this pole new construction can by intermediate transfer part and
Welding sequence between part saves and saves inner space, beneficial to lifting volume energy density.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model aims to provide a kind of lithium battery pole rod structure.
What the technical solution of the utility model was realized in：
The utility model embodiment provides a kind of lithium battery pole rod structure, which includes pole body, battery core welded plate
With pole nut, one end that the battery core welded plate is arranged on pole body is used for welding electric core, and the pole nut is set in
It is used to be connected with outer lead on the pole body；The pole body includes sequentially connected nut linkage section, interlude
With battery core linkage section, the pole body includes welding step and fluid injection through hole, the welding bench component level are connected in the nut
The end of section, the fluid injection through hole are opened in the center of welding step.
Preferably, the battery core welded plate is set at least one, and the battery core welded plate is fixedly connected on the battery core and connects
Section is connect, and the battery core welded plate is uniformly distributed along on the outside of the battery core linkage section.
Preferably, the fluid injection through hole includes be sequentially connected explosion-proof section, changeover portion and Injection Section, and described explosion-proof section is located at
One end where the welding step, described explosion-proof section of diameter are less than the diameter of the Injection Section.
Preferably, the diameter range of the fluid injection through hole is Φ 3mm- Φ 20mm.
Preferably, the nut linkage section is equipped with the external screw thread coordinated with pole nut.
Preferably, the interlude is stepped ramp type.
Preferably, the depth of the welding step is less than 1mm.
Compared with prior art, the utility model embodiment provides a kind of lithium battery pole rod structure, which includes pole
Body, battery core welded plate and pole nut, one end that the battery core welded plate is arranged on pole body is used for welding electric core, described
Pole nut, which is set on the pole body, to be used to be connected with outer lead；The pole body includes sequentially connected nut
Linkage section, interlude and battery core linkage section, the pole body include welding step and fluid injection through hole, the welding bench component level in
The end of the nut linkage section, the fluid injection through hole is opened in the center of welding step, in this way, directly being opened on pole body
If fluid injection through hole, avoid opening fluid injection through hole on the cover board, the mode of fluid injection can be simplified, make fluid injection process more convenient, have
Beneficial to the time for shortening fluid injection, pole is directly welded by battery core welded plate with battery core, it is possible to by the battery core in battery container
Maximum length, is conducive to be lifted the capacity and energy density of battery.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of lithium battery pole rod structure of the utility model embodiment；
Fig. 2 is a kind of front view of lithium battery pole rod structure of the utility model embodiment；
Fig. 3 is a kind of sectional view of lithium battery pole rod structure of the utility model embodiment.
Reference numeral is as follows：
1 --- --- --- interlude, 13 --- battery core linkage section, 14 --- weldering of nut linkage section, 12 of pole body, 11
Connect step, 15 --- fluid injection through hole, 2 --- battery core welded plate.
Embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining
The utility model, is not used to limit the utility model.
The utility model embodiment provides a kind of lithium battery pole rod structure, and as shown in Figs. 1-3, it includes pole body 1, electricity
Core welded plate 2 and pole nut, one end that the battery core welded plate 2 is arranged on pole body 1 are used for welding electric core, the pole
Nut, which is set on the pole body, to be used to be connected with outer lead；The pole body 1 connects including sequentially connected nut
Section 11, interlude 12 and battery core linkage section 13 are connect, the pole body 1 includes welding step 14 and fluid injection through hole 15, the weldering
The end that step 14 is located at the nut linkage section 11 is connect, the fluid injection through hole 15 is opened in the center of welding step 14.
Wherein, the battery core welded plate 2 is set at least one, and the battery core welded plate 2 is fixedly connected on the battery core and connects
Section 13 is connect, and the battery core welded plate is uniformly distributed along the outside of battery core linkage section 13.
Battery core welded plate 2 sets multiple and uses sheet-like structure, pole body is directly welded with battery core, it is possible to
By the battery core maximum length in battery container, be conducive to be lifted the capacity and energy density of battery.
Wherein, the fluid injection through hole 15 includes be sequentially connected explosion-proof section, changeover portion and Injection Section, and described explosion-proof section is located at
One end where the welding step 14, described explosion-proof section of diameter are less than the diameter of the Injection Section.The fluid injection through hole 15
Diameter range be Φ 3mm- Φ 20mm.The depth of the welding step 14 is less than 1mm.
Explosion-proof section of diameter of fluid injection through hole 15 is smaller, prevents battery core liquid stream from going out, and Injection Section is relatively large in diameter, and contributes to battery core liquid
Injection.
Wherein, the nut linkage section 11 is equipped with the external screw thread coordinated with pole nut.The interlude 12 is stepped ramp type.
The stepped ramp type structure of interlude 12 prevents from climbing liquid phenomenon.
The course of work of this programme is：The nut linkage section 11 of pole body 1 passes through battery case, and battery core is welded on battery core
On welded plate 2, covered by pole nut and be connected with outer lead, battery core liquid is directly injected to battery core by fluid injection through hole 15.With
The prior art is compared, and the utility model simplifies lithium battery assembly technology, and increase inside battery space, it is close to lift battery volume energy
Degree, reduces battery liquid-filling difficulty；Fluid injection through hole is directly opened up on pole body, avoids opening fluid injection through hole on the cover board, energy
Enough simplify the mode of fluid injection, make fluid injection process more convenient, be conducive to shorten the time of fluid injection, pole is straight by battery core welded plate
Connect and welded with battery core, it is possible to which, by the battery core maximum length in battery container, capacity and the energy for being conducive to be lifted battery are close
Degree.
The above, is only the preferred embodiment of the utility model, is not intended to limit the protection of the utility model
Scope.
Claims (8)
1. a kind of lithium battery pole rod structure, it is characterised in that it includes pole body, battery core welded plate and pole nut, described
One end that battery core welded plate is arranged on pole body is used for welding electric core, and the pole nut is set on the pole body and uses
It is connected in outer lead；The pole body includes sequentially connected nut linkage section, interlude and battery core linkage section.
2. a kind of lithium battery pole rod structure according to claim 1, it is characterised in that the battery core welded plate is set at least
One, the battery core welded plate is fixedly connected on the battery core linkage section, and the battery core welded plate is connected along the battery core
Section outside is uniformly distributed.
3. a kind of lithium battery pole rod structure according to claim 1, it is characterised in that the pole body includes welding bench
Rank and fluid injection through hole, the welding bench component level are opened in welding step in the end of the nut linkage section, the fluid injection through hole
Center.
4. a kind of lithium battery pole rod structure according to claim 3, it is characterised in that the fluid injection through hole includes phase successively
Explosion-proof section even, changeover portion and Injection Section, described explosion-proof section positioned at one end where the welding step, described explosion-proof section straight
Footpath is less than the diameter of the Injection Section.
A kind of 5. lithium battery pole rod structure according to claim 3, it is characterised in that the diameter range of the fluid injection through hole
For Φ 3mm- Φ 20mm.
6. a kind of lithium battery pole rod structure according to claim 3, it is characterised in that the depth of the welding step is less than
1mm。
7. a kind of lithium battery pole rod structure according to claim 1, it is characterised in that the nut linkage section is equipped with and pole
The external screw thread that column nut coordinates.
8. a kind of lithium battery pole rod structure according to claim 1, it is characterised in that the interlude is stepped ramp type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721172601.6U CN207250633U (en) | 2017-09-13 | 2017-09-13 | A kind of lithium battery pole rod structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721172601.6U CN207250633U (en) | 2017-09-13 | 2017-09-13 | A kind of lithium battery pole rod structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207250633U true CN207250633U (en) | 2018-04-17 |
Family
ID=61888468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721172601.6U Active CN207250633U (en) | 2017-09-13 | 2017-09-13 | A kind of lithium battery pole rod structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207250633U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449326A (en) * | 2018-12-06 | 2019-03-08 | 中山市润烨新能源科技有限公司 | A kind of encapsulating structure and its manufacturing method for strengthening circular batteries air-tightness |
| CN109524747A (en) * | 2018-11-26 | 2019-03-26 | 湖南衡盈电子科技有限公司 | Portable battery |
-
2017
- 2017-09-13 CN CN201721172601.6U patent/CN207250633U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524747A (en) * | 2018-11-26 | 2019-03-26 | 湖南衡盈电子科技有限公司 | Portable battery |
| CN109449326A (en) * | 2018-12-06 | 2019-03-08 | 中山市润烨新能源科技有限公司 | A kind of encapsulating structure and its manufacturing method for strengthening circular batteries air-tightness |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206619636U (en) | A kind of battery | |
| CN204947019U (en) | A kind of full lug column lithium ion battery | |
| CN207250633U (en) | A kind of lithium battery pole rod structure | |
| CN201478387U (en) | Cylindrical battery structure | |
| CN203751541U (en) | Clamp for laser welding of cylindrical lithium battery current collecting disc | |
| CN202921023U (en) | Adsorbing-decolorizing-refining tower for active carbon | |
| CN204885267U (en) | Low internal resistance energy storage device is drawn forth to bi -polar | |
| CN106920703B (en) | A kind of supercapacitor | |
| CN200990397Y (en) | Lithium ion battery cover | |
| CN201673939U (en) | Lithium-ion battery outputting device and lithium-ion battery utilizing same | |
| CN207398192U (en) | A kind of power lithium-ion battery cover board positive end plate boss integral structure | |
| CN206451554U (en) | A kind of double-deck cap plastic sealed resistor device | |
| CN104466077A (en) | Liquid injection explosion-proof pole structure of cylindrical power battery | |
| CN204375579U (en) | The cover plate assembly of ultracapacitor | |
| CN203218370U (en) | Acid pot with composite rubber head in threaded structure and battery cover used in match with acid pot | |
| CN207398193U (en) | A kind of power lithium-ion battery cover board dipole column draws negative end plate square structure | |
| CN205050919U (en) | Cylinder type lithium ion battery annotates liquid sleeve pipe | |
| CN204361167U (en) | The explosion-proof pole column structure of a kind of cylindrical power battery fluid injection | |
| CN205303542U (en) | Low high anti vibration lithium ion battery of internal resistance | |
| CN2773919Y (en) | Big-capacity lithium ion battery structure | |
| CN210325877U (en) | Lithium battery end cover structure | |
| CN214706068U (en) | Secondary cell top cap subassembly | |
| CN208722978U (en) | A kind of alkaline storage battery sealing mechanism | |
| CN203165983U (en) | Negative electrode current collecting system of lithium ion battery | |
| CN203826436U (en) | Cell box of soft-packaged lithium ion battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |