CN206388775U - The pole column structure of lithium battery - Google Patents
The pole column structure of lithium battery Download PDFInfo
- Publication number
- CN206388775U CN206388775U CN201621386868.0U CN201621386868U CN206388775U CN 206388775 U CN206388775 U CN 206388775U CN 201621386868 U CN201621386868 U CN 201621386868U CN 206388775 U CN206388775 U CN 206388775U
- Authority
- CN
- China
- Prior art keywords
- negative pole
- aluminum component
- copper piece
- jack
- pin
- 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.)
- Expired - Fee Related
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
Abstract
A kind of pole column structure of lithium battery, including negative pole copper piece and negative pole aluminum component, it is provided with the negative pole aluminum component in pin, negative pole copper piece and is provided with groove and/or hole, negative pole aluminum component is connected by pin with the groove of negative pole copper piece and/or hole, and negative pole copper piece and negative pole aluminum component die casting are integrated.The negative pole aluminum component is the first negative pole aluminum component, the first negative pole aluminum component is provided with the first pin, the negative pole copper piece is the first negative pole copper piece, the first jack, first step endoporus and the first guide groove are provided with the first negative pole copper piece, first step endoporus is located at the lower section of the first jack and is connected with the first jack, and the aperture of first step endoporus is more than the aperture of the first jack；The first guide groove at the top of the first jack, which is horizontally through, is provided with horizontal the first retaining appearance on the first jack, the first pin, the first retaining is put into effect to be inserted into first step endoporus through after the first jack.The characteristics of the utility model has high security performance, low manufacture cost.
Description
Technical field
The utility model is related to a kind of pole column structure of lithium battery, is related to cell art.
Background technology
The negative pole of existing cover plate of power lithium is to be connected after being made of one of aluminum component is molded to use by red copper.Will
The copper sheet of the internally placed convenience of red copper and negative pole is welded, and red copper passes through mode and the aluminum components such as friction welding (FW), soldering, blast weldering
Carry out firm connection.Aluminum component carries out welding by the modes such as Laser Welding and extraneous wire again and used.But, at present by friction
When carrying out second of welding again after weldering, just it is not easy high temperature resistant, the high temperature more than 380 degrees Celsius carries out other second and welded
When connecing, red copper easily comes off with aluminum component, or produces loosening, and the finally use to assembling finished product brings fatal hidden danger.Therefore,
This problem be also always into the another technical problem that annoying Industry Quick Development, however, at present in the industry this
Individual problem could not be solved effectively always.Moreover, the welding manner such as friction welding (FW), soldering, blast weldering needs to put into significant cost
Production line establishment is carried out, therefore, cost increase is ultimately resulted in.
Utility model content
The purpose of this utility model aims to provide a kind of security performance height, the pole column structure of the lithium battery of low manufacture cost,
To overcome weak point of the prior art.
A kind of pole column structure of the lithium battery designed by this purpose, including negative pole copper piece and negative pole aluminum component, its architectural feature
It is to be provided with pin, negative pole copper piece to be provided with groove and/or hole on the negative pole aluminum component, negative pole aluminum component passes through pin and negative pole copper
The groove of part and/or hole connect, and negative pole copper piece and negative pole aluminum component die casting are integrated.
Further, the negative pole aluminum component is the first negative pole aluminum component, and the first negative pole aluminum component is provided with the first pin, described
Negative pole copper piece is to be provided with the first jack, first step endoporus and first in the first negative pole copper piece, the first negative pole copper piece to lead
To groove, first step endoporus is located at the lower section of the first jack and is connected with the first jack, and the aperture of first step endoporus is more than
The aperture of first jack；The first guide groove at the top of the first jack is horizontally through on the first jack, the first pin and is provided with
The first horizontal retaining is put into effect, the first retaining is put into effect be inserted into first step endoporus and rotate through after the first jack after crimping
On the hole wall of first step endoporus.
Further, the negative pole aluminum component is to be provided with the second pin, institute on the second negative pole aluminum component, the second negative pole aluminum component
Negative pole copper piece is stated for the second negative pole copper piece, the second fitting recess or the second assembling are provided with the outer wall of the second negative pole copper piece
Positive stop lug boss is provided with hole, the second pin, the positive stop lug boss is installed in the second fitting recess or the second pilot hole.
Further, second fitting recess is annular in shape continuous or is arranged at intervals；Or, annularly interval is set the second pilot hole
Put.
Further, the negative pole copper piece is that cross bore or a word are set in the 3rd negative pole copper piece, the 3rd negative pole copper piece
The outer wall of hole, the cross bore or the negative pole copper piece of a word hole insertion the 3rd, the negative pole aluminum component is the 3rd negative pole aluminum component, the described 3rd
The 3rd pin is provided with negative pole aluminum component, the 3rd pin is inserted into cross bore or a word hole.
Further, the negative pole copper piece is to be provided with positioning on the 4th negative pole copper piece, the outer wall of the 4th negative pole copper piece
Boss, the negative pole aluminum component is to be provided with four-limbed, the four-limbed on the 4th negative pole aluminum component, the 4th negative pole aluminum component
It is hooked on positioning boss.
Further, the radial dimension of the negative pole aluminum component is more than the radial dimension of negative pole copper piece.
Pin is provided with negative pole aluminum component in the utility model, the pin includes the first pin, the second pin, the 3rd
Pin and four-limbed, negative pole aluminum component are connected by pin with the groove being arranged in negative pole copper piece and/or hole and positioning boss,
The groove and/or hole include the first jack, first step endoporus, the first guide groove, the second fitting recess, the second pilot hole, cross
Hole, a word hole, and can be fallen as needed and in being designed as on negative pole aluminum component groove, fall groove, a word hole, the knot of cross bore outside
Structure, the structure of pin and the structure of the associated groove or hole match, anti-during assembling or use so as to improve
Torsion capacity and pulling force is combined, can effectively prevent what the structure of negative pole aluminum component and negative pole copper piece after die casting from loosely occurring to come off
Phenomenon, effectively improves copper piece and the mechanical strength of aluminum component, improves the safety coefficient of Copper-Aluminum compound, improves the safety of product
Performance.
The utility model is used after above-mentioned technical scheme, can reduce manufacturing procedure and processing cost, moreover it is possible to lifting peace
Full performance and the accuracy of pole positioning.
In summary, the characteristics of the utility model has high security performance, low manufacture cost.
Brief description of the drawings
Fig. 1 is the schematic front view of the utility model first embodiment.
Fig. 2 is Fig. 1 schematic top plan view.
Fig. 3 is the B-B direction diagrammatic cross-section in Fig. 2.
Fig. 4 is A-A in Fig. 1 to diagrammatic cross-section.
Fig. 5 is the decomposing schematic representation of first embodiment.
Fig. 6 is the utility model second embodiment decomposing schematic representation.
Fig. 7 is the schematic front view of second embodiment.
Fig. 8 for Fig. 7 C-C to cut-away illustration.
Fig. 9 for Fig. 7 D-D to cut-away illustration.
In figure：1 is the first negative pole copper piece, and 1.1 be the first jack, and 1.2 be first step endoporus, and 1.3 be the first guide groove,
2 be the first negative pole aluminum component, and 2.1 be the first pin, and 2.2 be that the first retaining is put into effect, and 3 be the second negative pole copper piece, and 3.1 be the second assembling
Groove, 4 be the second negative pole aluminum component, and 4.1 be the second pin.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model.
First embodiment
Referring to Fig. 1-Fig. 5, the pole column structure of this lithium battery, including negative pole copper piece and negative pole aluminum component, it is characterized in that described negative
It is provided with the aluminum component of pole in pin, negative pole copper piece and is provided with groove and/or hole, negative pole aluminum component passes through pin and the groove of negative pole copper piece
And/or hole connects, negative pole copper piece and negative pole aluminum component die casting are integrated.
The radial dimension of the negative pole aluminum component is more than the radial dimension of negative pole copper piece.
In the present embodiment, the negative pole aluminum component is the first negative pole aluminum component 2, and the first negative pole aluminum component 2 is provided with first
Pin 2.1, the negative pole copper piece is to be provided with the first jack 1.1, first in the first negative pole copper piece 1, the first negative pole copper piece 1
The guide groove 1.3 of inner bore of step 1.2 and first, first step endoporus 1.2 be located at the first jack 1.1 lower section and with the first jack
1.1 are connected, and the aperture of first step endoporus 1.2 is more than the aperture of the first jack 1.1；The positioned at the top of the first jack 1.1
One guide groove 1.3, which is horizontally through, is provided with horizontal the first retaining appearance 2.2, first on the first jack 1.1, the first pin 2.1
Retaining appearance 2.2, which is passed through, to be inserted into first step endoporus 1.2 after the first jack 1.1 and is crimped on first step endoporus after rotating
On 1.2 hole wall.
During making, the first negative pole aluminum component 2 is to be connected and sealed by die casting with the first negative pole copper piece 1.It can make in pressure
During type casting moulding the first negative pole aluminum component 2, aluminium oar is preferably injected into the first negative pole copper piece 1, it is ensured that the first negative pole after shaping
Compound between the negative pole aluminum component 2 of copper piece 1 and first will not fall off, and with enough mechanical strengths.
Specifically the practice is：2.2 are put into effect when the first retaining on the first negative pole aluminum component 2 to be inserted into first step endoporus 1.2
And when being crimped on after rotating on the hole wall of first step endoporus 1.2, first step endoporus 1.2 is interior and the first guide groove 1.3
Gap is left in both sides, now, and the first negative pole copper piece 1 and the first negative pole aluminum component 2 are fixed, and by the aluminium liquid die casting of melting
Into described gap, the first negative pole copper piece 1 of interwoveness and the combination of the first negative pole aluminum component 2 finally can be obtained by.
In the formed product in later stage, the first negative pole copper piece 1, the first negative pole aluminum component 2 and common group of ceramic ring three of sealing
Into a component.
In addition to above-mentioned technical scheme, the utility model can also realize this practicality using following technical scheme
New purpose.
Second embodiment
Referring to Fig. 6-Fig. 9, in the present embodiment, the negative pole aluminum component is the second negative pole aluminum component 4, the second negative pole aluminum component
The second pin 4.1 is provided with 4, the negative pole copper piece is to be set on the second negative pole copper piece 3, the outer wall of the second negative pole copper piece 3
It is equipped with the second fitting recess 3.1 or the second pilot hole, the second pin 4.1 and is provided with positive stop lug boss, the positive stop lug boss is installed on
In two fitting recess 3.1 or the second pilot hole.
Second fitting recess 3.1 is annular in shape continuous or is arranged at intervals；Or, the second pilot hole is annularly arranged at intervals.
First embodiment is seen in remaining not described part, repeats no more.
3rd embodiment
In the present embodiment, the negative pole copper piece is to set cross bore in the 3rd negative pole copper piece, the 3rd negative pole copper piece
Or a word hole, the outer wall of the cross bore or the negative pole copper piece of a word hole insertion the 3rd, the negative pole aluminum component is the 3rd negative pole aluminum component, institute
State and the 3rd pin is provided with the 3rd negative pole aluminum component, the 3rd pin is inserted into cross bore or a word hole.
First embodiment is seen in remaining not described part, repeats no more.
Fourth embodiment
In the present embodiment, the negative pole copper piece is to be set on the 4th negative pole copper piece, the outer wall of the 4th negative pole copper piece
There is a positioning boss, the negative pole aluminum component is that four-limbed is provided with the 4th negative pole aluminum component, the 4th negative pole aluminum component, described the
Four-limbed is hooked on positioning boss.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (5)
1. a kind of pole column structure of lithium battery, including negative pole copper piece and negative pole aluminum component, it is characterized in that being set on the negative pole aluminum component
Have and groove and/or hole are provided with pin, negative pole copper piece, negative pole aluminum component is connected by pin with the groove of negative pole copper piece and/or hole, bear
Pole copper piece and negative pole aluminum component die casting are integrated；
Wherein, the negative pole aluminum component is the first negative pole aluminum component（2）, the first negative pole aluminum component（2）It is provided with the first pin
（2.1）, the negative pole copper piece is the first negative pole copper piece（1）, the first negative pole copper piece（1）On be provided with the first jack（1.1）、
First step endoporus（1.2）With the first guide groove（1.3）, first step endoporus（1.2）Positioned at the first jack（1.1）Lower section and
With the first jack（1.1）It is connected, first step endoporus（1.2）Aperture be more than the first jack（1.1）Aperture；Positioned at first
Jack（1.1）First guide groove at top（1.3）It is horizontally through the first jack（1.1）, the first pin（2.1）On be provided with transverse direction
The first retaining put into effect（2.2）, the appearance of the first retaining（2.2）Through the first jack（1.1）After be inserted into first step endoporus
（1.2）In and rotate after be crimped on first step endoporus（1.2）Hole wall on；
Or, the negative pole aluminum component is the second negative pole aluminum component（4）, the second negative pole aluminum component（4）On be provided with the second pin
（4.1）, the negative pole copper piece is the second negative pole copper piece（3）, the second negative pole copper piece（3）Outer wall on be provided with the second assembling
Groove（3.1）Or second pilot hole, the second pin（4.1）On be provided with positive stop lug boss, the positive stop lug boss is installed on the second fitting recess
（3.1）Or second in pilot hole.
2. the pole column structure of lithium battery according to claim 1, it is characterized in that second fitting recess（3.1）Annularly connect
Continuous or interval setting；Or, the second pilot hole is annularly arranged at intervals.
3. the pole column structure of lithium battery according to claim 1, it is characterized in that the negative pole copper piece is the 3rd negative pole copper piece,
The outer wall in cross bore or a word hole, the cross bore or the negative pole copper piece of a word hole insertion the 3rd is set in the 3rd negative pole copper piece,
The negative pole aluminum component is that the 3rd pin is provided with the 3rd negative pole aluminum component, the 3rd negative pole aluminum component, the 3rd pin inserting
In cross bore or a word hole.
4. the pole column structure of lithium battery according to claim 1, it is characterized in that the negative pole copper piece is the 4th negative pole copper piece,
Positioning boss is provided with the outer wall of the 4th negative pole copper piece, the negative pole aluminum component is the 4th negative pole aluminum component, and the described 4th is negative
Four-limbed is provided with the aluminum component of pole, the four-limbed is hooked on positioning boss.
5. according to the pole column structure of any described lithium battery of Claims 1-4, it is characterized in that the radial ruler of the negative pole aluminum component
The very little radial dimension more than negative pole copper piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621386868.0U CN206388775U (en) | 2016-12-16 | 2016-12-16 | The pole column structure of lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621386868.0U CN206388775U (en) | 2016-12-16 | 2016-12-16 | The pole column structure of lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206388775U true CN206388775U (en) | 2017-08-08 |
Family
ID=59488762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621386868.0U Expired - Fee Related CN206388775U (en) | 2016-12-16 | 2016-12-16 | The pole column structure of lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206388775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110120490A (en) * | 2018-02-05 | 2019-08-13 | 广东九九华立新材料股份有限公司 | A kind of processing method of lithium ion battery pole |
-
2016
- 2016-12-16 CN CN201621386868.0U patent/CN206388775U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110120490A (en) * | 2018-02-05 | 2019-08-13 | 广东九九华立新材料股份有限公司 | A kind of processing method of lithium ion battery pole |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206388775U (en) | The pole column structure of lithium battery | |
| CN201684900U (en) | 5-ton steel ingot mold for pouring | |
| CN103162590B (en) | A kind of spline stop-pass rule | |
| CN207777794U (en) | A kind of plastic-steel composite three-way pipe fitting | |
| CN206241224U (en) | A kind of spreader of hub mold | |
| CN206864252U (en) | The insulator quickly assembled | |
| CN206513986U (en) | Three-way pipe with compensation pressure and decompression function | |
| CN206185006U (en) | Continuous stamping die of battery block | |
| CN104607586A (en) | Diameter reducing mold structure of long-shaft special-shaped universal joint | |
| CN205673545U (en) | A kind of mould structure of wheel hub | |
| CN205423691U (en) | Novel combination formula wedge cover | |
| CN205240400U (en) | Take skirt tower | |
| CN203532405U (en) | High-temperature-resistant oil cylinder | |
| CN203242676U (en) | Storage-battery upper cover and storage battery | |
| CN207642252U (en) | A kind of automobile sparking mouth casting mould | |
| CN201446206U (en) | Upsetting die of integral top cap | |
| CN207393935U (en) | A kind of Stirling-electric hybrid piston coupling structure | |
| CN206483984U (en) | A kind of casting body coupon | |
| CN201192236Y (en) | Double-layer glass cup | |
| CN207835176U (en) | A kind of hybrid excitation generator pawl pole | |
| CN202978196U (en) | All dry type outdoor terminal tail tube | |
| CN212230260U (en) | Pole foot connecting mechanism for bolt type capacitor | |
| CN203148343U (en) | Spline go-no go gauge | |
| CN205967364U (en) | A stalk for heat -resisting alloy low pressure casting | |
| CN208123964U (en) | A kind of lamp cap and lamps and lanterns |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170808 Termination date: 20201216 |