CN202633425U - Compression structure for tab connection - Google Patents
Compression structure for tab connection Download PDFInfo
- Publication number
- CN202633425U CN202633425U CN2012202234274U CN201220223427U CN202633425U CN 202633425 U CN202633425 U CN 202633425U CN 2012202234274 U CN2012202234274 U CN 2012202234274U CN 201220223427 U CN201220223427 U CN 201220223427U CN 202633425 U CN202633425 U CN 202633425U
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- CN
- China
- Prior art keywords
- lug
- tab
- fixed head
- connects
- pressure strip
- 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
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to a tab connection structure, in particular to a compression structure for tab connection, which aims at overcoming the defects of complicated connection and poor reliability of a tap in the prior art. The compression structure for tab connection comprises a tab fixing plate and a plurality of tab passing hole groups, wherein each tab passing hole group consists of at least three single tab passing holes, a tab compression plate for tab compression is arranged among the single tab passing holes in the same group, the tab compression plate and the tab fixing plate are detachably connected, and a silicon rubber pad is arranged between the tab compression plate and the tab fixing plate. The semi-rigid and rigid surfaces of the tab compression plate and the silicon rubber pad are combined, the tab is tightly pressed, and the tab cannot be damaged. The compression structure for tab connection has the advantages that the connection is simple, the reliability is good, and the contact resistance is small.
Description
Technical field
The utility model relates to a kind of lug syndeton, especially relates to a kind of compressing structure that lug connects that is used for.
Background technology
Along with the environmental consciousnesses increasingly serious, people of energy situation are strengthened gradually; The electric core and the power-supply system that are used for fields such as energy storage, electric automobile are continually developed and are improved; Pollution-free, recycle long, stacked electric core capacious of life-span and constantly expand, the reliability that lug connects has very important influence to the fail safe and the stability of the performance of electric core and useful life, power-supply system.
Chinese patent notification number CN101626067A; Disclose day on January 13rd, 2010, disclose the syndeton of a kind of cell polar ear and cover plate, comprise lug and cover plate; The end of electricity core is provided with insulated spacing collar and elastic conduction circle; Lug is connected with the elastic conduction circle after passing the hole on the insulated spacing collar, and the elastic conduction circle also is provided with elastic pressuring plate, and the elastic conduction circle is electrically connected with cover plate through elastic pressuring plate.Also be provided with bail, an end of bail is provided with seal face, and through seal face elastic pressuring plate is pressed on the elastic conduction circle; The other end of bail is provided with draw-in groove, and insulated spacing collar is provided with elastic fastening hook, and elastic clamping hook matches with draw-in groove; This invention makes lug and elastic conduction circle electric connection through simple assembling, thereby is connected with cover plate, need not to weld; But exist not enough: elastic pressuring plate is yielding to cause loose contact, influences the stability of power-supply system.
Summary of the invention
The purpose of the utility model is to solve the lug complex connection of prior art, the problem of poor reliability, provide a kind of connect simple, good reliability, contact resistance little be used for the compressing structure that lug connects.
The utility model solves the technical scheme that its technical problem adopted:
A kind of compressing structure that is used for the lug connection; Comprise that lug fixed head and some groups of lugs wear groups of vias; Said lug is worn groups of vias and is passed the hole monomer by 3 lugs at least and form; Lug on the same group passes to be provided with between the monomer of hole and is used for the lug pressure strip that lug compresses, and lug pressure strip and lug fixed head removably connect, and are provided with silicone rubber pad between lug pressure strip and lug fixed head.When the utility model used, lug passed lug and passes the hole monomer, places between lug pressure strip and the silicone rubber pad; Lug fixed head and lug pressure strip removably connect and compress then, utilize the semi-rigid and rigid face of silicone rubber pad and lug pressure strip to combine, and are guaranteeing can not damage lug when cell polar ear compresses; Self has elasticity silicone rubber pad, and when the small loosening and thrust of lug pressure strip reduced, the elastic restoring force of silicone rubber pad can be offset the thrust that reduces; Lug is compressed, and it is reliable to guarantee that lug connects, and silicone rubber pad is high temperature resistant simultaneously, fire resistance good; Can not receive the influence of lug heating; Fail safe is good, and the silicone rubber pad resistance to low temperature also can use under low temperature environment.
As preferably, said lug fixed head and lug pressure strip are realized removably connecting through the cooperation of double-screw bolt and nut.Double-screw bolt one end is riveted or is welded with abaculus, and abaculus embeds through the injection moulding mode and is fixed on the lug fixed head, and the lug end is provided with the hole with the double-screw bolt coupling; Silicone rubber pad, lug and lug pressure strip are enclosed within on the double-screw bolt successively, use nut check then, increase the adhesion that abaculus can increase double-screw bolt and lug fixed head; And then the moment of torsion of raising double-screw bolt; Adopt removably connecting of stud nut structure, connect, dismantle simple, easy to use.
As preferably, the thickness of said silicone rubber pad is 1.2 ~ 1.5mm, and said silicone rubber pad area is 1.0 ~ 1.2 times of lug pressure strip area.The THICKNESS CONTROL of silicone rubber pad at 1.2 ~ 1.5mm, is guaranteed that the elastic deformation of silicone rubber pad self is reasonable, prevent to cause the deformation of cell polar ear; Guarantee fully to compress lug; Can not damage cell polar ear, can not cause the increase of contact resistance, power-supply system is stable; The silicone rubber pad area is conveniently installed greater than lug pressure strip area.
As preferably, it is mounting hole that said lug passes the hole monomer.
As preferably, said lug fixed head is arranged with several along periphery and is used for the lug fixed head fixing hole that the lug fixed head is connected with battery case.Lug fixed head and battery case flexibly connect through screw, convenient disassembly, and in the time of especially need changing the lug fixed head, lug fixed head fixing hole is symmetrical set, and the active force of screw is even, guarantees that the lug fixed head is connected closely with battery case.
As preferably, said lug fixed head fixing hole is a counterbore.Screw is absorbed in counterbore during use, prevents that the exposed exposed part that reaches of screw tail end from contacting with lug, causes the electric current shunting, influences the stability of power supply.
As preferably, it is 2 ~ 3 groups that said lug is worn groups of vias, and adjacent lug passes hole interblock space 5 ~ 8cm.2 ~ 3 groups of lugs are set wear groups of vias; Can realize the parallel connection between lug, and then realize the parallel connection of power-supply system, can improve the capacity of power supply; Adjacent lug passes hole group 5 ~ 8cm at interval; Prevent to disturb between the lug, make things convenient for simultaneously at the interval separated time cover plate fixing hole is set, be used for connecting lug fixed head and separated time cover plate.
As preferably, adjacent lug is worn the groups of vias interval and is provided with and is used for lug fixed head and the fixing separated time cover plate fixing hole of separated time cover plate.Separated time cover plate and lug fixed head flexibly connect through screw, change convenient disassembly.
As preferably, be provided with baffle plate between lug pressure strip on the same group.Baffle plate with positive and negative lug separately prevents partial short-circuit, influences the fail safe of power supply.
As preferably, four angles of said lug pressure strip are fillet.Fillet is attractive in appearance, scratches operating personnel's hand when preventing to connect simultaneously.
Therefore, a kind of compressing structure that is used for the lug connection of the utility model has following advantage: 1, simple in structure, easy to connect; 2, rigidity through lug pressure strip and silicone rubber pad and semirigid faying face pass to cell polar ear with the coupling mechanism force of nut; Can compress lug on the one hand, lug connects reliable, and contact resistance is little; On the other hand; Lug pressure strip and silicone rubber pad disperse the coupling mechanism force of nut, and the pressure that lug bears reduces relatively, can not damage lug; 3, the connection in series-parallel through lug realizes that the connection in series-parallel of power-supply system increases the capacitance of power-supply system, and is simple to operate.
Description of drawings
A kind of structural representation of Fig. 1 the utility model.
1-lug fixed head, the 2-double-screw bolt, the 3-nut, the 4-silicone rubber pad, 5-lug pressure strip, the 6-baffle plate, 7-lug fixed head fixing hole, 8-separated time cover plate fixing hole, the 9-lug passes the hole monomer.
Embodiment
Below through specific embodiment, and combine accompanying drawing, the technical scheme of the utility model is further specified.
As shown in Figure 1, the utility model a kind of is used for the compressing structure that lug connects, and comprises that lug fixed head 1 and two groups of lugs wear groups of vias; Every group of lug worn groups of vias and contained 3 lugs and pass hole monomer 9, and said lug fixed head 1 adopts insulating material to process, and lug on the same group passes hole monomer 9 equally spaced being distributed on the lug fixed head 1; 3 lugs on the same group pass 9 of hole monomers and are provided with 2 lug pressure strips 5 that are used for the lug connection, and said lug pressure strip 5 adopts copper products to process, and 1 of lug pressure strip 5 and lug fixed head are provided with silicone rubber pad 4; Double-screw bolt 2 one ends are welded with abaculus, and abaculus embeds through the injection moulding mode and is fixed on the lug fixed head 1, and silicone rubber pad 4, lug and lug pressure strip 5 are enclosed within on the double-screw bolt 2 successively; With nut 3 lockings, the thickness of said silicone rubber pad 4 is 1.2 ~ 1.5mm, and present embodiment adopts 1.0mm; Said silicone rubber pad 4 areas are 1.0 ~ 1.2 times of lug pressure strip 5 areas, and present embodiment adopts 1.1 times, to make things convenient for the installation of silicone rubber pad 4 and lug pressure strip 5; Be provided with pad between said lug pressure strip 5 and the nut 3, pad plays cushioning effect, prevents that nut 3 from damaging lug pressure strip 5; Increase replacement cost, two groups of lugs are worn groups of vias 5 ~ 8cm at interval, on the lug fixed head 1 at interval, are provided with 4 separated time cover plate fixing holes 8; The separated time cover plate is connected with lug fixed head 1 through screw, and said lug fixed head 1 is arranged with 12 lug fixed head fixing holes 7 along periphery, and said lug fixed head fixing hole 7 is a counterbore; Lug fixed head 1 is connected with battery case through screw, adopts counterbore to prevent that screw is exposed, prevents that screw from contacting with lug; Cause power source diverter, influence the stability of power supply, 5 of said lug pressure strips are provided with baffle plate 6; With positive and negative lug separately, prevent the power supply partial short-circuit, influence the fail safe of power-supply system.
When using the utility model; Double-screw bolt 2 passes lug fixed head 1, silicone rubber pad 4, lug and lug pressure strip 5 successively; With nut 3 lockings; Can realize compressing of lug, then lug fixed head 1 and battery case are screwed, separated time cover plate and lug fixed head 1 are screwed get final product.In the time of need power-supply system being carried out parallel connection,, compress lug according to above-mentioned steps then and get final product earlier with lug and connect.
Claims (10)
1. one kind is used for the compressing structure that lug connects; Comprise that lug fixed head (1) and some groups of lugs wear groups of vias; Said lug is worn groups of vias and is passed hole monomer (9) by 3 lugs at least and form, and it is characterized in that lug on the same group passes to be provided with between hole monomer (9) and is used for the lug pressure strip (5) that lug compresses; Lug pressure strip (5) removably connects with lug fixed head (1), is provided with silicone rubber pad (4) between lug pressure strip (5) and lug fixed head (1).
2. a kind of compressing structure that lug connects that is used for according to claim 1 is characterized in that said lug fixed head (1) and lug pressure strip (5) are realized removably connecting through the cooperation of double-screw bolt (2) and nut (3).
3. a kind of compressing structure that lug connects that is used for according to claim 1 and 2 is characterized in that the thickness of said silicone rubber pad (4) is 1.2 ~ 1.5mm, and said silicone rubber pad (4) area is 1.0 ~ 1.2 times of lug pressure strip (5) area.
4. a kind of compressing structure that lug connects that is used for according to claim 1 and 2 is characterized in that it is mounting hole that said lug passes hole monomer (9).
5. a kind of compressing structure that lug connects that is used for according to claim 1 and 2 is characterized in that said lug fixed head (1) is arranged with several along periphery and is used for the lug fixed head fixing hole (7) that lug fixed head (1) is connected with battery case.
6. a kind of compressing structure that lug connects that is used for according to claim 5 is characterized in that said lug fixed head fixing hole (7) is a counterbore.
7. a kind of compressing structure that lug connects that is used for according to claim 1 and 2 is characterized in that it is 2 ~ 3 groups that said lug is worn groups of vias, and adjacent lug is worn groups of vias 5 ~ 8cm at interval.
8. a kind of compressing structure that lug connects that is used for according to claim 7 is characterized in that, adjacent lug is worn the groups of vias interval and is provided with and is used for lug fixed head (1) and the fixing separated time cover plate fixing hole (8) of separated time cover plate.
9. a kind of compressing structure that lug connects that is used for according to claim 1 and 2 is characterized in that, is provided with baffle plate (6) between lug pressure strip on the same group.
10. a kind of compressing structure that lug connects that is used for according to claim 1 and 2 is characterized in that four angles of said lug pressure strip (5) are fillet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202234274U CN202633425U (en) | 2012-05-18 | 2012-05-18 | Compression structure for tab connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202234274U CN202633425U (en) | 2012-05-18 | 2012-05-18 | Compression structure for tab connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202633425U true CN202633425U (en) | 2012-12-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202234274U Expired - Fee Related CN202633425U (en) | 2012-05-18 | 2012-05-18 | Compression structure for tab connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202633425U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009198A (en) * | 2014-03-25 | 2014-08-27 | 江苏华东锂电技术研究院有限公司 | Pole tab connecting device and battery pack provided with pole tab connecting device |
| CN108581247A (en) * | 2018-06-20 | 2018-09-28 | 曙鹏科技（深圳）有限公司 | A kind of battery welding clamp, welding equipment and welding procedure |
| CN113948821A (en) * | 2020-07-17 | 2022-01-18 | 比亚迪股份有限公司 | Battery space ring, battery and battery pack |
-
2012
- 2012-05-18 CN CN2012202234274U patent/CN202633425U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009198A (en) * | 2014-03-25 | 2014-08-27 | 江苏华东锂电技术研究院有限公司 | Pole tab connecting device and battery pack provided with pole tab connecting device |
| CN104009198B (en) * | 2014-03-25 | 2016-01-20 | 江苏华东锂电技术研究院有限公司 | Lug jockey and there is the battery pack of lug jockey |
| CN108581247A (en) * | 2018-06-20 | 2018-09-28 | 曙鹏科技（深圳）有限公司 | A kind of battery welding clamp, welding equipment and welding procedure |
| CN113948821A (en) * | 2020-07-17 | 2022-01-18 | 比亚迪股份有限公司 | Battery space ring, battery and battery pack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20190518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |