CN216698646U - Short circuit connection piece is prevented to electric motor car group battery - Google Patents
Short circuit connection piece is prevented to electric motor car group battery Download PDFInfo
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- CN216698646U CN216698646U CN202123050397.XU CN202123050397U CN216698646U CN 216698646 U CN216698646 U CN 216698646U CN 202123050397 U CN202123050397 U CN 202123050397U CN 216698646 U CN216698646 U CN 216698646U
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- 230000002265 prevention Effects 0.000 claims abstract description 13
- 241000446313 Lamella Species 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 description 10
- 238000003780 insertion Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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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 application relates to an anti-short circuit connecting piece of an electric vehicle battery pack, which comprises a first pole piece, a second pole piece and two groups of intermediate pieces, wherein the two groups of intermediate pieces are positioned between the first pole piece and the second pole piece; the utility model has good short circuit prevention function, is convenient to disassemble and replace the fusing part, has convenient and fast assembly function, can be used for battery packs with different specifications, has strong applicability, and is convenient to store and carry.
Description
Technical Field
The application relates to the field of battery pack connecting pieces, in particular to a short-circuit preventing connecting piece for an electric vehicle battery pack.
Background
With the implementation of new energy planning in China, the power battery of the electric vehicle is also more and more concerned. A large number of battery packs are needed in the production of the existing electric vehicle, and the single battery cells or the battery packs are needed to be connected in parallel and in series in order to achieve the high voltage and the high capacity of the battery. The battery pack commonly used at present is fixed in a box body by a plurality of battery monomer boxes, electric cores, lug fixing plates and the like, so lugs of different monomer batteries need to be connected in series or in parallel through electrode connecting sheets;
the battery pack connecting sheet in the prior art has certain defects, does not have a good short-circuit prevention function, is not convenient to disassemble and replace, does not have a convenient assembling function, is not suitable for battery packs of different specifications, and is not convenient to store and carry, so that the short-circuit prevention connecting sheet for the battery pack of the electric vehicle is required to be designed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems proposed in the background art, the present application provides a short-circuit prevention connecting sheet for a battery pack of an electric vehicle.
The application provides a short circuit connection piece is prevented to electric motor car group battery adopts following technical scheme:
the utility model provides an electric motor car group battery prevents short circuit connection piece, includes a pole piece, No. two pole pieces and two sets of intermediate sheets, and two sets of intermediate sheets are located a pole piece and No. two pole pieces between, and two sets of the equal fixedly connected with folded piece in the opposite side of the back of intermediate sheet, two sets of the equal fixedly connected with of one side of intermediate sheet is kept away from to the folded piece links the piece, and is two sets of be provided with fusing mechanism between the intermediate sheet, two sets of link the piece respectively with a pole piece and No. two pole pieces between be provided with latch mechanism.
Preferably, the fuse-link constructs including the fusing portion, the equal fixedly connected with slide bar of both sides face intermediate position of fusing portion, two sets of elastic lamina of the equal fixedly connected with in upper and lower both sides of fusing portion, four groups the equal fixedly connected with rectangular pole in one side that the fusing portion was kept away from to the medial surface of elastic lamina, two sets of the spout has all been seted up to the opposite side of intermediate lamella, and is two sets of the long strip groove has all been seted up to the both sides face of intermediate lamella near fusing portion department.
Preferably, the fusing part is located between two sets of intermediate sheets, two sets of the sliding rods are respectively located inside two sets of sliding grooves, and four sets of the long rods are respectively located inside four sets of the long grooves.
Preferably, the cross-sectional shapes of the two groups of sliding rods and the two groups of sliding grooves are both in a T shape, and the fusing part is movably connected between the two groups of intermediate pieces through the two groups of sliding rods matched with the sliding grooves.
Preferably, the latch mechanism includes two sets of picture pegs, and is two sets of the pole is inserted to the equal a plurality of groups of fixedly connected with in the back of the body contralateral side of picture peg, and is two sets of the equal fixedly connected with in both sides face of piece connects the lateral plate, and is four groups connect the medial surface of lateral plate a plurality of groups kellies of fixedly connected with, the slot has all been seted up with the both sides of No. two pole pieces to a pole piece, a plurality of groups of plug-in groove has been seted up to the medial surface of slot, a plurality of groups of draw-in grooves have all been seted up to the both sides face of a pole piece and No. two pole pieces.
Preferably, the two groups of inserting plates are respectively and fixedly connected to the back side and the opposite side of the two groups of connecting plates, the two groups of inserting plates are respectively positioned in the two groups of slots, the inserting rods are respectively positioned in the inserting grooves of the groups of inserting rods, and the clamping rods are respectively positioned in the clamping grooves of the groups of clamping rods.
Preferably, the plurality of groups of the inserting rods are respectively distributed on the two groups of the inserting plates at equal intervals, and the plurality of groups of the clamping rods are respectively distributed on the inner side surfaces of the four groups of the connecting side plates at equal intervals.
Preferably, the four groups of connection side pieces are respectively and tightly attached to two sides of the first pole piece and the second pole piece.
To sum up, the application comprises the following beneficial technical effects:
(1) the fusing part is arranged between the two groups of middle sheets by matching the two groups of T-shaped sliding rods with the two groups of sliding grooves, and the four groups of elastic sheets are respectively and tightly attached to two sides of the two groups of middle sheets by matching the four groups of long bars with the four groups of long grooves, so that the fusing part can be clamped between the two groups of middle sheets;
(2) the inserting plates on the two groups of connecting plates are respectively inserted into the slots of the first pole plate and the second pole plate, the groups of inserting connecting rods are respectively positioned inside the groups of inserting grooves, and the four groups of connecting side plates are tightly attached to the two sides of the first pole plate and the second pole plate through the plurality of groups of clamping rods matched with the plurality of groups of clamping grooves, so that the assembling device has a convenient assembling function, can be used for battery packs of different specifications, and is strong in applicability, and convenient to store and carry.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic view of a connection structure of an intermediate plate in an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a first pole piece in an embodiment of the present application;
FIG. 4 is a schematic view of a connection structure of the fusing part in the embodiment of the present application.
Description of reference numerals: 1. a first pole piece; 2. a second pole piece; 3. an intermediate sheet; 4. connecting the slices; 5. folding a sheet; 6. a fusing portion; 7. a slide bar; 8. an elastic sheet; 9. a long bar; 10. a chute; 11. a long groove; 12. inserting plates; 13. a plug rod; 14. connecting the side panels; 15. a clamping rod; 16. a slot; 17. inserting grooves; 18. a clamping groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses short circuit connection piece is prevented to electric motor car group battery. Referring to fig. 1, 2 and 4, the device comprises a first pole piece 1, a second pole piece 2 and two groups of middle pieces 3, wherein the two groups of middle pieces 3 are positioned between the first pole piece 1 and the second pole piece 2, the opposite sides of the two groups of middle pieces 3 are fixedly connected with folding pieces 5, one sides of the two groups of folding pieces 5 far away from the middle piece 3 are fixedly connected with connecting pieces 4, a fusing mechanism is arranged between the two groups of middle pieces 3, a clamping mechanism is respectively arranged between the two groups of connecting pieces 4 and the first pole piece 1 and the second pole piece 2, the fusing mechanism comprises a fusing part 6, sliding rods 7 are respectively fixedly connected at the middle positions of the two side surfaces of the fusing part 6, two groups of elastic pieces 8 are respectively fixedly connected at the upper side and the lower side of the fusing part 6, long bar rods 9 are respectively fixedly connected at one sides of the inner side surfaces of the four groups of elastic pieces 8 far away from the fusing part 6, sliding grooves 10 are respectively arranged at the opposite sides of the two groups of the middle pieces 3, long groove 11 are respectively arranged at the positions close to the fusing part 6, the fusing part 6 is arranged between two groups of middle plates 3, two groups of sliding rods 7 are respectively arranged in two groups of sliding grooves 10, four groups of long-strip rods 9 are respectively arranged in four groups of long-strip grooves 11, the cross-sectional shapes of the two groups of sliding rods 7 and the two groups of sliding grooves 10 are both arranged in a T shape, the fusing part 6 is movably connected between the two groups of middle plates 3 through the two groups of sliding rods 7 matched with the sliding grooves 10, the fusing part 6 is arranged between the two groups of middle plates 3 through the two groups of T-shaped sliding rods 7 matched with the two groups of sliding grooves 10, and then the four groups of long-strip rods 9 matched with the four groups of long-strip grooves 11 are used for tightly attaching the four groups of elastic sheets 8 to two sides of the two groups of middle plates 3 respectively, so that the fusing part 6 can be clamped between the two groups of middle plates 3, when the battery pack is short-circuited, the fusing part 6 on the connecting sheet can be fused, so as to disconnect the first pole piece 1 and the second pole piece 2, thereby having good short-circuit prevention function, it is also easy to remove and replace the fusing part 6.
Referring to fig. 1-3, the clamping mechanism includes two groups of insertion plates 12, wherein the back-to-side sides of the two groups of insertion plates 12 are fixedly connected with a plurality of groups of insertion connection rods 13, the two side surfaces of the two groups of connection pieces 4 are fixedly connected with connection side pieces 14, the inner side surfaces of the four groups of connection side pieces 14 are fixedly connected with a plurality of groups of clamping rods 15, the two sides of the first pole piece 1 and the second pole piece 2 are respectively provided with slots 16, the inner side surfaces of the slots 16 are provided with a plurality of groups of insertion grooves 17, the two side surfaces of the first pole piece 1 and the second pole piece 2 are respectively provided with a plurality of groups of clamping grooves 18, the two groups of insertion plates 12 are respectively fixedly connected to the back-to-side sides of the two groups of connection pieces 4, the two groups of insertion plates 12 are respectively located inside the two groups of slots 16, the plurality of insertion connection rods 13 are respectively located inside the plurality of groups of insertion grooves 17, the plurality of clamping rods 15 are respectively located inside the plurality of groups of clamping grooves 18, and the plurality of insertion connection rods 13 are respectively distributed on the two groups of insertion plates 12 at equal intervals, a plurality of groups of clamping bars 15 are respectively equidistantly distributed on the inner side surfaces of four groups of connecting side pieces 14, the four groups of connecting side pieces 14 are respectively tightly attached to two sides of a first pole piece 1 and a second pole piece 2, firstly, the inserting plates 12 on the two groups of connecting pieces 4 are respectively inserted into the inserting grooves 16 of the first pole piece 1 and the second pole piece 2, at the moment, a plurality of groups of inserting rods 13 are respectively positioned in the inserting grooves 17 of the plurality of groups, and the four groups of connecting side pieces 14 are tightly attached to two sides of the first pole piece 1 and the second pole piece 2 by matching the plurality of groups of clamping bars 15 with the plurality of groups of clamping grooves 18.
The implementation principle of the short-circuit-preventing connecting sheet of the battery pack of the electric vehicle is as follows: the working personnel firstly install the fusing part 6 between two groups of middle plates 3 through two groups of T-shaped sliding rods 7 matching with two groups of sliding grooves 10, and then closely attach four groups of elastic sheets 8 to two sides of two groups of middle plates 3 respectively through four groups of long bars 9 matching with four groups of long bars 11, so that the fusing part 6 can be clamped between the two groups of middle plates 3, when the battery pack has short circuit, the fusing part 6 on the connecting sheet can be fused, so as to disconnect the connection of the first pole piece 1 and the second pole piece 2, thereby having good short circuit prevention function, being convenient for disassembling and replacing the fusing part 6, the arranged folded piece 5 can play a good buffering role on the connecting sheet when the battery pack has collision, then the inserting plates 12 on the two groups of connecting sheets 4 are respectively inserted into the inserting grooves 16 of the first pole piece 1 and the second pole piece 2, and then a plurality of groups of inserting connecting rods 13 are respectively positioned in a plurality of groups of inserting grooves 17, the four groups of connecting side pieces 14 are tightly attached to two sides of the first pole piece 1 and the second pole piece 2 through the matching of the plurality of groups of clamping rods 15 and the plurality of groups of clamping grooves 18, have a convenient assembling function, can be used for battery packs of different specifications, are high in applicability and convenient to store and carry, and can be spliced with longer connecting pieces to be correspondingly installed on the battery packs of different specifications to complete operation.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a short circuit connection piece is prevented to electric motor car group battery which characterized in that: the welding electrode comprises a first pole piece (1), a second pole piece (2) and two groups of middle pieces (3), wherein the two groups of middle pieces (3) are located between the first pole piece (1) and the second pole piece (2), the back side and the opposite side of each middle piece (3) are fixedly connected with a folded piece (5), the folded piece (5) is far away from one side of each middle piece (3) and is fixedly connected with a connecting piece (4), a fusing mechanism is arranged between the two groups of middle pieces (3), and a clamping mechanism is arranged between each connecting piece (4) and the first pole piece (1) and the second pole piece (2).
2. The short-circuit prevention connecting sheet for the battery pack of the electric vehicle as set forth in claim 1, wherein: fuse-link constructs including fusing portion (6), the equal fixedly connected with slide bar (7) of both sides face intermediate position of fusing portion (6), two sets of flexure strips (8) of the equal fixedly connected with in upper and lower both sides of fusing portion (6), four groups equal fixedly connected with rectangular pole (9) in one side that fusing portion (6) were kept away from to the medial surface of flexure strip (8), it is two sets of spout (10) have all been seted up to the opposite side of intermediate lamella (3), and are two sets of rectangular groove (11) have all been seted up to the both sides face of intermediate lamella (3) department of being close to fusing portion (6).
3. The short circuit prevention connecting piece of the battery pack of the electric vehicle as set forth in claim 2, wherein: the fusing part (6) is positioned between the two groups of middle sheets (3), the two groups of sliding rods (7) are respectively positioned in the two groups of sliding grooves (10), and the four groups of long rods (9) are respectively positioned in the four groups of long grooves (11).
4. The short circuit prevention connecting piece of the battery pack of the electric vehicle as set forth in claim 2, wherein: the cross-sectional shapes of the two groups of sliding rods (7) and the two groups of sliding grooves (10) are arranged in a T shape, and the fusing part (6) is movably connected between the two groups of intermediate sheets (3) through the two groups of sliding rods (7) in cooperation with the sliding grooves (10).
5. The short-circuit prevention connecting sheet for the battery pack of the electric vehicle as set forth in claim 1, wherein: clamping mechanism includes two sets of picture peg (12), and is two sets of pole (13) are inserted to the equal a plurality of groups of fixedly connected with in the offside of the back of picture peg (12), and is two sets of even the equal fixedly connected with in both sides face of piece (4) connects lateral plate (14), four groups the equal a plurality of groups kelly (15) of medial surface of connecting lateral plate (14), slot (16) have all been seted up with the both sides of No. two pole pieces (2) in pole piece (1), a plurality of groups of plug-in groove (17) have been seted up to the medial surface of slot (16), a plurality of groups draw-in groove (18) have all been seted up with the both sides face of No. two pole pieces (2) in pole piece (1).
6. The short circuit prevention connecting piece of the battery pack of the electric vehicle as set forth in claim 5, wherein: two sets of picture peg (12) are fixed connection respectively in the opposite side of the back of two sets of even pieces (4), and two sets of picture peg (12) are located the inside of two sets of slots (16) respectively, and a plurality of groups peg graft pole (13) are located the inside of a plurality of groups grafting groove (17) respectively, a plurality of groups peg (15) are located the inside of a plurality of groups draw-in groove (18) respectively.
7. The short circuit prevention connecting piece of the battery pack of the electric vehicle as set forth in claim 5, wherein: the inserting rods (13) are respectively distributed on the two groups of inserting plates (12) at equal intervals, and the clamping rods (15) are respectively distributed on the inner side surfaces of the four groups of connecting side plates (14) at equal intervals.
8. The short-circuit prevention connecting sheet for the battery pack of the electric vehicle as set forth in claim 7, wherein: the four groups of connection side pieces (14) are respectively and tightly attached to two sides of the first pole piece (1) and the second pole piece (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123050397.XU CN216698646U (en) | 2021-12-07 | 2021-12-07 | Short circuit connection piece is prevented to electric motor car group battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123050397.XU CN216698646U (en) | 2021-12-07 | 2021-12-07 | Short circuit connection piece is prevented to electric motor car group battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216698646U true CN216698646U (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123050397.XU Active CN216698646U (en) | 2021-12-07 | 2021-12-07 | Short circuit connection piece is prevented to electric motor car group battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216698646U (en) |
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2021
- 2021-12-07 CN CN202123050397.XU patent/CN216698646U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240117 Address after: No. 10, Building 3, Fenglin Shengjing Community, Xiaobanqiao Street, Guandu District, Kunming City, Yunnan Province, 650000 Patentee after: Kunming Xiaolu Technology Co.,Ltd. Address before: 650000 No. 601, floor 6, building C12, Zhonghao xince industrial city, economic development zone, Kunming, Yunnan Province Patentee before: YUNNAN QICHEN NEW ENERGY TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |