CN214153054U

CN214153054U - Power battery packaging structure for electric vehicle

Info

Publication number: CN214153054U
Application number: CN202120066361.1U
Authority: CN
Inventors: 段洪亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-09-07
Anticipated expiration: 2031-01-12

Abstract

The utility model discloses a power battery packaging structure for electric vehicle, including the packing casing, packing casing inner chamber bottom center is fixed with the baffle, packing casing inner chamber is equidistant symmetry in baffle both sides and is provided with the power groove, install the protection ring on the power groove inner wall, the baffle is double-phase to the side symmetry be provided with the spout, the inside slip of spout has the slider, spout bottom and top are provided with lower bearing and upper bearing respectively, it has the screw rod to rotate between lower bearing and the upper bearing, slider side center is fixed with the regulation barrel, the inside spiro union of regulation barrel has adjusting screw, adjusting screw lateral wall tip is provided with the connection bearing; in this way, the utility model discloses can utilize the screw-thread fit of screw rod and slider according to the height of group battery, drive slider removes in the spout, adjusts the height that insulating backing plate located, through rotating adjusting screw, controls its length that stretches out the regulation spiral shell section of thick bamboo for insulating backing plate is close to towards the group battery side, fixes it.

Description

Power battery packaging structure for electric vehicle

Technical Field

The utility model relates to a power battery packs technical field, especially relates to a power battery packaging structure for electric motor car.

Background

The lithium ion battery technology has become mature day by day, therefore by the power battery of wide application in automobile-used, the laminate polymer battery cell group battery is packed into a fixed shell with a plurality of roughly rectangular laminate polymer battery cells side by side, passes through the busbar to laminate polymer battery cell's utmost point ear again and connects in parallel to constitute a laminate polymer battery cell module. During the use, can carry out the cluster again, parallelly connected in order to constitute power battery with a plurality of laminate polymer battery cell modules as required. The soft package battery core has the advantages of light weight, thinness, long cycle life, good safety performance, high energy density, stable discharge platform, excellent power performance, environmental protection, no pollution and the like, so that the battery can be rapidly developed.

However, the outside of the existing soft-package lithium battery core is an aluminum-plastic packaging film, and the shape of the aluminum-plastic packaging film is not fixed, so that the appearance of the battery pack of the soft-package battery core is irregular, and the soft-package battery core is difficult to pack in the assembly process. Meanwhile, the aluminum plastic film on the surface of the soft-package battery cell is low in strength and extremely easy to damage.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in providing a power battery packaging structure for electric motor car, solve the outside plastic-aluminum packaging film that is of current soft-packaged lithium battery core, because the plastic-aluminum packaging film shape is unfixed, consequently, cause the appearance of soft-packaged electric core group battery irregular, the difficulty of packing into of soft-packaged electric core during the equipment. Meanwhile, the aluminum plastic film on the surface of the soft-package battery cell has low strength and is very easy to damage.

In order to solve the technical problem, the utility model provides a following technical scheme:

a power battery packaging structure for an electric vehicle comprises a packaging shell, wherein connecting blocks are symmetrically fixed at four corners of the bottom end of the packaging shell, a connecting hole is formed in the center of each connecting block, a partition is fixed at the center of the bottom end of an inner cavity of the packaging shell, the partition is equally divided into an inner cavity of the packaging shell, heat dissipation gaps are formed in two opposite inner walls of the packaging shell, power supply grooves are symmetrically formed in the inner cavity of the packaging shell at equal intervals on two sides of the partition, protection rings are mounted on the inner walls of the power supply grooves, sliding grooves are symmetrically formed in two opposite side surfaces of the partition, sliding blocks slide in the sliding grooves, a lower bearing and an upper bearing are respectively arranged at the bottom end and the top end of each sliding groove, a screw rod is rotated between the lower bearing and the upper bearing, the top end of the screw rod is rotatably connected with a knob through the partition, threads of the screw rod penetrate through the sliding blocks, and an adjusting screw cylinder is fixed at the center of the side surface of the sliding block, the inside spiro union of regulation spiral shell section of thick bamboo has adjusting screw, adjusting screw lateral wall tip is provided with connecting bearing, adjusting screw tip is connected with insulating backing plate through connecting bearing, the battery top is connected with current-collecting block and locking bolt, current-collecting block passes through locking bolt to be fixed in the battery top, baffle top symmetry is provided with supplementary cushion, the subsides in packaging shell top are equipped with the epoxy board.

Furthermore, a protective soft layer is arranged on the inner wall of the packaging shell, the connecting block is of an L-shaped structure, the horizontal plane of the top end of the partition plate is lower than the horizontal plane of the top end of the packaging shell, and the heat dissipation gap is formed in the center of the inner wall in the length direction of the packaging shell.

Furthermore, the vertical surfaces of the two ends of the power supply groove are flush with the inner wall of the packaging shell in the length direction and the vertical surfaces of the side walls of the partition plates respectively, and the protection ring is an elastic rubber rectangular ring and is arranged on the inner wall of the power supply groove in a full-covering mode.

Furthermore, the bottom end of the sliding groove penetrates through the bottom end of the partition board, the top end of the sliding groove is lower than the top end of the partition board, the lower bearing is embedded in the bottom end of the inner cavity of the packaging shell, and the top end of the knob is lower than the top end of the packaging shell.

Furthermore, the adjusting screw comprises a threaded part and a smooth part, the length of the threaded part is equal to that of the adjusting screw cylinder, the length of the connecting bearing is smaller than that of the smooth part, and the connecting bearing is embedded in the insulating base plate.

Furthermore, the side face of the partition board is symmetrically provided with two groups of auxiliary sliding grooves by taking the sliding grooves as symmetrical objects, the auxiliary sliding grooves are internally provided with auxiliary sliding blocks in a sliding manner, auxiliary rods are fixed between two ends of the auxiliary sliding grooves, and the auxiliary rods penetrate through the auxiliary sliding blocks in a movable manner.

Furthermore, a telescopic sleeve is embedded in the side face of the insulating base plate, a telescopic inner cylinder is fixed in the center of the end part of the auxiliary sliding block, and the telescopic inner cylinder slides in the telescopic sleeve.

Still further, supplementary spout top and spout top parallel and level, supplementary spout bottom and spout bottom parallel and level, supplementary slider tip and slider tip parallel and level.

Furthermore, the auxiliary rod is in friction contact with the auxiliary sliding block, the length of the part, located outside the insulating base plate, of the telescopic sleeve is equal to that of the adjusting screw cylinder, and the length of the telescopic inner cylinder is equal to that of the telescopic sleeve.

Further, the gap between the separator and the battery is filled with an insulating film.

The device provided by the technical scheme of the utility model places the battery assembly to be packaged in the power supply groove by arranging the protection ring, the battery is tightly leaned on the inner wall of the packaging shell, the inner wall of the packaging shell is provided with the protection soft layer, the side surface of the battery is protected by the protection ring together, the protection ring is an elastic rubber rectangular ring and is arranged on the inner wall of the power supply groove in a full-coverage manner, and the protection ring can be adaptively changed according to the side wall of the battery in the process of putting the battery in and simultaneously protects the battery and avoids the aluminum plastic film outside the battery from being damaged; by arranging the sliding groove, the sliding block, the screw rod, the adjusting screw rod and the adjusting screw cylinder, the screw rod and the sliding block can be matched by threads according to the height of the battery pack, the sliding block is driven to move in the sliding groove, so that the height of the sliding block is adjusted, the height of the insulating base plate is adjusted, finally, the adjusting screw rod and the adjusting screw cylinder are matched by threads, the length of the insulating base plate extending out of the adjusting screw cylinder is controlled by rotating the adjusting screw rod, the insulating base plate is enabled to approach the side face of the battery pack and further perform auxiliary fixing on the battery pack, the insulating base plate is partially contacted with the battery, compared with the traditional full contact, the risk of damage to an aluminum-plastic film outside the battery is reduced, and meanwhile, the battery is convenient to install and fix; through setting up insulating film and epoxy board, squeeze into the insulating film to the inside blank area between baffle and battery of packaging shell, paste the epoxy board and establish at the packaging shell top, further carry out insulation protection.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the battery mounting structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is a schematic view of the structure of the present invention;

FIG. 5 is a schematic view of the cross-sectional structure A-A of the present invention;

FIG. 6 is a schematic view of the cross-sectional structure of the utility model B-B;

labeled as: the packaging structure comprises a packaging shell 1, a connecting block 2, a connecting hole 3, a partition plate 4, a heat dissipation gap 5, a power supply groove 6, a protection ring 7, a sliding groove 8, a sliding block 9, a lower bearing 10, an upper bearing 11, a screw rod 12, a knob 13, an adjusting screw cylinder 14, an adjusting screw rod 15, a connecting bearing 16, an insulating base plate 17, an auxiliary sliding groove 18, an auxiliary sliding block 19, an auxiliary rod 20, a telescopic sleeve 21, a telescopic inner cylinder 22, a battery 23, a current collecting block 24, a locking bolt 25, an auxiliary cushion block 26, an epoxy plate 27 and an insulating film 28.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in figures 1, 2, 3 and 5, the power battery packaging structure for the electric vehicle comprises a packaging shell 1, wherein a protective soft layer is arranged on the inner wall of the packaging shell 1, connecting blocks 2 are symmetrically fixed at four corners of the bottom end of the packaging shell 1, each connecting block 2 is of an L-shaped structure, a connecting hole 3 is formed in the center of each connecting block 2, a partition plate 4 is fixed at the center of the bottom end of an inner cavity of the packaging shell 1, the horizontal plane of the top end of each partition plate 4 is lower than the horizontal plane of the top end of the packaging shell 1, the partition plates 4 are equally divided into the inner cavity of the packaging shell 1, heat dissipation gaps 5 are arranged on two opposite inner walls of the packaging shell 1, the heat dissipation gaps 5 are arranged at the center of the inner wall in the length direction of the packaging shell 1, power supply grooves 6 are symmetrically arranged at two sides of the partition plates 4 at equal intervals in the inner, the inner wall of the power supply groove 6 is provided with a protection ring 7, the protection ring 7 is an elastic rubber rectangular ring and is arranged on the inner wall of the power supply groove 6 in a full-covering manner, two opposite side surfaces of the partition plate 4 are symmetrically provided with sliding grooves 8, the bottom end of each sliding groove 8 penetrates through the bottom end of the partition plate 4, the top end of each sliding groove 8 is lower than the top end of the partition plate 4, a sliding block 9 slides in each sliding groove 8, the bottom end and the top end of each sliding groove 8 are respectively provided with a lower bearing 10 and an upper bearing 11, the lower bearing 10 is embedded at the bottom end of the inner cavity of the packaging shell 1, a screw 12 is rotatably arranged between the lower bearing 10 and the upper bearing 11, the top end of the screw 12 rotatably penetrates through the partition plate 4 and is connected with a knob 13, the top end of the knob 13 is lower than the top end of the packaging shell 1, the screw 12 is in a way, the end part of the side wall of the adjusting screw rod 15 is provided with a connecting bearing 16, the end part of the adjusting screw rod 15 is connected with an insulating base plate 17 through the connecting bearing 16, the length of the connecting bearing 16 is smaller than that of the smooth part, the connecting bearing 16 is embedded in the insulating base plate 17, the top end of the battery 23 is connected with a current collecting block 24 and a locking bolt 25, the current collecting block 24 is fixed above the battery 23 through the locking bolt 25, the top end of the partition plate 4 is symmetrically provided with auxiliary cushion blocks 26, and the top end of the packaging shell 1 is attached with an epoxy plate 27;

as shown in fig. 1, 4, 5 and 6, two sets of auxiliary sliding grooves 18 are symmetrically formed on the side surface of the partition board 4 by taking the sliding groove 8 as a symmetrical object, the top end of each auxiliary sliding groove 18 is flush with the top end of the corresponding sliding groove 8, the bottom end of each auxiliary sliding groove 18 is flush with the bottom end of the corresponding sliding groove 8, an auxiliary sliding block 19 slides in each auxiliary sliding groove 18, the end of each auxiliary sliding block 19 is flush with the end of each sliding block 9, an auxiliary rod 20 is fixed between the two ends of each auxiliary sliding groove 18, each auxiliary rod 20 movably penetrates through each auxiliary sliding block 19, each auxiliary rod 20 is in friction contact with each auxiliary sliding block 19, a telescopic sleeve 21 is embedded on the side surface of each insulating base plate 17, a telescopic inner cylinder 22 is fixed in the center of the end of each auxiliary sliding block 19, each telescopic, the length of the telescopic inner cylinder 22 is equal to that of the telescopic sleeve 21, and the gap between the separator 4 and the battery 23 is filled with an insulating film 28.

When the battery pack packaging device is used, a battery assembly to be packaged is placed in the power supply groove 6, the battery 23 is abutted against one inner wall of the packaging shell 1, the current gathering block 24 is fixed at the top end of the battery 23 by using the locking bolt 25, the inner wall of the packaging shell 1 is provided with the protective soft layer, the side face of the battery is protected by using the protective soft layer and the protective ring 7, then the knob 13 is rotated according to the height of the battery pack to drive the screw rod 12 to rotate, the slide block 9 is driven to move in the sliding groove 8 by using the screw fit of the screw rod 12 and the slide block 9, so that the height of the slide block 9 is adjusted, the height of the insulating cushion plate 17 is adjusted, finally, the length of the insulating cushion plate 17 extending out of the adjusting screw cylinder 14 is controlled by using the screw fit of the adjusting screw rod 15 and the adjusting screw cylinder 14, the insulating cushion plate 17 is enabled to approach towards the side face of the battery pack to further perform auxiliary fixing, and the auxiliary slide block 19 moves in the auxiliary sliding groove 18 along with the slide block 9 in the process, the stability of insulating backing plate 17 when reciprocating has been strengthened, and simultaneously when adjusting screw 15, flexible inner tube 22 and telescopic tube 21 sliding fit assist the back-and-forth movement of insulating backing plate 17, and after the device adjustment was accomplished, to the inside blank area between baffle 4 and battery 23 of packaging shell 1 squeeze into insulating film 28, further carry out insulation protection, paste epoxy 27 and establish on packaging shell 1 top end at last.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the technical solution of the present invention without departing from the scope of the technical solution of the present invention.

Claims

1. The utility model provides a power battery packaging structure for electric motor car, includes packaging shell (1) and battery (23), its characterized in that: the packaging shell is characterized in that connecting blocks (2) are symmetrically fixed at four corners of the bottom end of the packaging shell (1), a connecting hole (3) is formed in the center of each connecting block (2), a partition plate (4) is fixed at the center of the bottom end of the inner cavity of the packaging shell (1), the partition plate (4) divides the inner cavity of the packaging shell (1) equally, heat dissipation gaps (5) are formed in two opposite inner walls of the packaging shell (1), power supply grooves (6) are symmetrically formed in two sides of the inner cavity of the packaging shell (1) at equal intervals on two sides of the partition plate (4), protection rings (7) are installed on the inner walls of the power supply grooves (6), sliding grooves (8) are symmetrically formed in two opposite side surfaces of the partition plate (4), sliding blocks (9) slide in the sliding grooves (8), a lower bearing (10) and an upper bearing (11) are respectively arranged at the bottom end and the top end of each sliding groove (8), and a screw rod (12) rotates between the lower bearing (10) and the upper bearing (11), screw rod (12) top is rotated and is run through baffle (4) and be connected with knob (13), screw rod (12) screw thread runs through slider (9), slider (9) side center is fixed with regulation barrel (14), the inside spiro union of regulation barrel (14) has adjusting screw (15), adjusting screw (15) lateral wall tip is provided with connecting bearing (16), adjusting screw (15) tip is connected with insulating backing plate (17) through connecting bearing (16), battery (23) top is connected with and gathers stream piece (24) and locking bolt (25), it fixes in battery (23) top through locking bolt (25) to gather stream piece (24), baffle (4) top symmetry is provided with supplementary cushion (26), packing casing (1) top subsides are equipped with epoxy board (27).

2. The power battery packaging structure for the electric vehicle as claimed in claim 1, wherein: the packaging shell is characterized in that a protective soft layer is arranged on the inner wall of the packaging shell (1), the connecting block (2) is of an L-shaped structure, the horizontal plane where the top end of the partition plate (4) is located is lower than the horizontal plane where the top end of the packaging shell (1) is located, and the heat dissipation gap (5) is arranged in the center of the inner wall in the length direction of the packaging shell (1).

3. The power battery packaging structure for the electric vehicle as claimed in claim 1, wherein: the vertical face that power groove (6) both ends were located respectively with packing casing (1) length direction inner wall and baffle (4) lateral wall vertical face parallel and level that locate, protection ring (7) are elastic rubber square ring and cover setting on power groove (6) inner wall entirely.

4. The power battery packaging structure for the electric vehicle as claimed in claim 1, wherein: spout (8) bottom runs through baffle (4) bottom and sets up, spout (8) top is less than baffle (4) top, lower bearing (10) inlay and establish in packaging casing (1) inner chamber bottom, knob (13) top is less than packaging casing (1) top.

5. The power battery packaging structure for the electric vehicle as claimed in claim 1, wherein: the adjusting screw (15) comprises a threaded part and a smooth part, the length of the threaded part is equal to that of the adjusting screw cylinder (14), the length of the connecting bearing (16) is smaller than that of the smooth part, and the connecting bearing (16) is embedded in the insulating base plate (17).

6. The power battery packaging structure for the electric vehicle as claimed in claim 1, wherein: the side face of the partition board (4) is symmetrically provided with two groups of auxiliary sliding grooves (18) by taking the sliding grooves (8) as symmetrical objects, the auxiliary sliding grooves (18) are internally provided with auxiliary sliding blocks (19) in a sliding manner, auxiliary rods (20) are fixed between two ends of the auxiliary sliding grooves (18), and the auxiliary sliding blocks (19) are movably penetrated through the auxiliary rods (20).

7. The power battery packaging structure for the electric vehicle as claimed in claim 6, wherein: the insulating backing plate (17) side inlays and is equipped with telescope tube (21), supplementary slider (19) tip center is fixed with flexible inner tube (22), flexible inner tube (22) slide in telescope tube (21).

8. The power battery packaging structure for the electric vehicle as claimed in claim 6, wherein: supplementary spout (18) top and spout (8) top parallel and level, supplementary spout (18) bottom and spout (8) bottom parallel and level, supplementary slider (19) tip and slider (9) tip parallel and level.

9. The power battery packaging structure for the electric vehicle as claimed in claim 7, wherein: the auxiliary rod (20) is in friction contact with the auxiliary sliding block (19), the length of the part, located outside the insulating base plate (17), of the telescopic sleeve (21) is equal to that of the adjusting screw cylinder (14), and the length of the telescopic inner cylinder (22) is equal to that of the telescopic sleeve (21).

10. The power battery packaging structure for the electric vehicle as claimed in claim 1, wherein: an insulating film (28) is filled in a gap between the separator (4) and the battery (23).