Fireproof insulated battery assembly box convenient to disassemble

Abstract

The utility model relates to the technical field of batteries, in particular to a fireproof insulated battery assembly box convenient to disassemble, which comprises a bottom shell and an upper shell, the upper end face of the bottom shell is fixedly connected with the upper shell through screws, a plurality of pairs of supports are arranged at the bottom of the bottom shell, and two groups of batteries are fixedly arranged between each pair of supports through a battery fixing structure. According to the battery assembly box, two adjacent groups of batteries can be separated through the fireproof insulation sheet, fire spreading and electric leakage between the two adjacent groups of batteries are effectively prevented, and the battery assembly box has good fireproof insulation performance; all the supports, the batteries, the fireproof insulation sheets, the support nickel straps and the like can slide down from the fixing screws by inclining the fixing screws, and disassembly is more convenient and faster.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a battery assembly box which is easy to disassemble, fireproof and insulated. Background Art

[0002] The battery pack of an electric vehicle generally consists of multiple cells connected in series and in parallel to form the required voltage and capacitance. The multiple cells are fixed by brackets and then placed in a closed battery box. The existing battery assembly box, such as the power battery module and new energy vehicle with application number CN201720951331.2, has a power battery module including multiple battery modules, each of which includes a positive battery box, a negative battery box, a cylindrical battery cell, a positive nickel sheet, a negative nickel sheet and a conductive sheet; the positive battery box and the negative battery box are buckled with each other; the cylindrical battery cell is accommodated in the space after the positive battery box and the negative battery box are buckled... However, when disassembling the battery cell and other components, the positive nickel sheet, the negative nickel sheet and the cylindrical battery cell need to be closed and disassembled in turn, which is not convenient to disassemble, and multiple batteries are jointly arranged in the space after the positive battery box and the negative battery box are buckled, and leakage and fire between batteries cannot be isolated. Utility Model Content

[0003] The utility model aims to solve the shortcomings of the prior art that the disassembly is not convenient and the leakage and fire between batteries cannot be isolated, and a battery assembly box with easy disassembly, fireproof and insulation is proposed.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A battery assembly box with easy-to-disassemble fireproof insulation is designed, comprising a bottom shell and an upper shell, the upper end surface of the bottom shell is fastened to the upper shell by screws, a plurality of pairs of brackets are arranged at the bottom of the bottom shell, and two groups of batteries are fixedly arranged between each pair of brackets by a battery fixing structure, a fireproof insulation sheet is clamped between two adjacent pairs of the brackets, a pair of bracket support rods are integrally formed at the end surfaces of each pair of the brackets close to each other, two screw holes penetrating the bracket support rods are opened on the side surfaces of the plurality of pairs of the brackets, and fixing screws are inserted into the two screw holes, a plurality of pairs of brackets and a plurality of fireproof insulation sheets are sleeved on the outer walls of the two fixing screws, and the right end surface of the nut at the left end of the fixing screw abuts against the The bracket located on the far left is connected, the right end of the fixing screw is threadedly connected with a nut, and the left end face of the nut abuts the bracket on the far right, the end faces of each pair of the brackets away from each other are embedded with a bracket nickel strip connected to the battery through a connecting structure through an installation structure, the pins of several bracket nickel strips are connected to the PCB board through a connecting structure, and the PCB board is fixedly installed on the top of the bracket through a clamping device, the left end bottom of the bracket located on the far left and the right end bottom of the bracket located on the far right are both integrally formed with fixing ears, and the bottom of the bottom shell is integrally formed with a pair of fixing seats corresponding to the fixing ears, and the fixing ears are fastened to the fixing seats by screws.

[0006] Preferably, the connecting structure includes a connecting hole and a protruding spring sheet, a pair of connecting holes are formed through the end surfaces of the brackets away from each other, a group of small holes corresponding to the battery are formed on the side of the bracket nickel strip, and a protruding spring sheet that protrudes toward the side close to the bracket and is embedded in the connecting hole is integrally formed in the small hole, and the protruding spring sheet of the bracket nickel strip is in contact with the battery in the connecting hole.

[0007] Preferably, the battery fixing structure comprises mounting grooves, and the end faces of each pair of the brackets close to each other are provided with mounting grooves corresponding to the number and shape of each group of batteries, and the two ends of the battery are inserted into the mounting grooves.

[0008] Preferably, the mounting structure comprises a nickel band groove and a truncated cone, a nickel band groove is provided on the end face of the bracket away from the battery, and a bracket nickel band is embedded in the nickel band groove, and two truncated cones which are coaxial with two bracket struts are integrally formed on the end face of the bracket away from the battery, and the bracket nickel band is sleeved on the outer walls of the two truncated cones, and a pin groove which is connected to the nickel band groove and cooperates with the pin of the bracket nickel band is provided on the top of the bracket.

[0009] Preferably, the connection structure includes nickel band holes, and the upper end surface of the PCB board is provided with a plurality of nickel band holes corresponding to the pins of the bracket nickel band, and the pins of the bracket nickel band are plugged into the inside of the nickel band holes, and the end of the pin located above the PCB board is bent at a right angle to the side close to the corresponding battery.

[0010] Preferably, the clamping device includes two pairs of clamps located at the top of the bracket at the left and right ends respectively, the top of the bracket is integrally formed with a pair of clamps, and the pair of clamps are respectively located at the front and back sides of the PCB board, and the bottom of the triangular clamp block integrally formed on the top of the clamp abuts against the PCB board.

[0011] Preferably, a mounting groove is integrally formed on the right end surface of the upper shell, and an indicator light mounting plate for mounting various indicator lights is fixedly mounted in the mounting groove.

[0012] The utility model provides a battery assembly box with fireproof insulation that is easy to disassemble. The beneficial effect is that the battery assembly box can separate two adjacent battery groups through the fireproof insulation sheet, effectively preventing the spread of fire and leakage between the two adjacent battery groups, and has good fireproof insulation performance. When unscrewing, first unscrew the screws between the fixing seat and the fixing ears and unscrew the nut at one end of the fixing screw. Then, tilt the fixing screw to allow all brackets, batteries, fireproof insulation sheets, bracket nickel strips, etc. to slide off the fixing screw, making disassembly more convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural schematic diagram of a battery assembly box that is easy to disassemble and fireproof and insulated, proposed by the utility model;

[0014] Figure 2 This is a structural schematic diagram of a battery assembly box that is easy to disassemble and fireproof and insulated, proposed by the utility model;

[0015] Figure 3 This is a structural schematic diagram of a battery assembly box that is easy to disassemble and fireproof and insulated, proposed by the utility model;

[0016] Figure 4 This is a structural schematic diagram of a battery assembly box that is easy to disassemble and fireproof and insulated, proposed by the utility model;

[0017] Figure 5 The utility model discloses a structural schematic diagram of a battery assembly box which is easy to disassemble and fireproof and insulated.

[0018] In the figure: 1. bottom shell; 2. fixing seat; 3. fireproof insulation sheet; 4. bracket support rod; 5. battery limit slot; 6. bracket; 7. bracket nickel strip; 8. PCB board; 9. nickel strip hole; 10. upper shell; 11. mounting slot; 12. battery; 13. indicator light mounting plate; 14. fixing screw; 15. fixing ear; 16. buckle; 17. screw hole; 18. nickel strip slot. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-5 A battery assembly box for easy disassembly and fireproof insulation comprises a bottom shell 1 and an upper shell 10. The upper end surface of the bottom shell 1 is fastened with the upper shell 10 by screws. A plurality of pairs of brackets 6 are arranged at the bottom of the bottom shell 1, and two groups of batteries 12 are fixedly arranged between each pair of brackets 6 by a battery fixing structure. A fireproof insulation sheet 3 is sandwiched between two adjacent pairs of brackets 6. The end surfaces of each pair of brackets 6 close to each other are integrally formed with a pair of bracket support rods 4. Two screw holes 17 penetrating the bracket support rods 4 are opened on the sides of the plurality of pairs of brackets 6, and fixing screws 14 are inserted into the two screw holes 17. The outer walls of the two fixing screws 14 are sleeved with a plurality of pairs of brackets 6 and a plurality of fireproof insulation sheets 3. The right end surface of the nut at the left end of the fixing screw 14 is Abutting the bracket 6 located on the far left, the right end of the fixing screw 14 is threadedly connected with a nut, and the left end face of the nut abuts the bracket 6 on the far right, and the end faces of each pair of brackets 6 away from each other are embedded with bracket nickel strips 7 connected to the battery 12 through a connecting structure through an installation structure, and the pins of several bracket nickel strips 7 are connected to the PCB board 8 through a connecting structure, and the PCB board 8 is fixedly installed on the top of the bracket 6 through a clamping device, and the left end bottom of the bracket 6 located on the far left and the right end bottom of the bracket 6 located on the far right are both integrally formed with a fixing ear 15, and the bottom of the bottom shell 1 is integrally formed with a pair of fixing seats 2 corresponding to the fixing ears 15, and the fixing ears 15 are fastened to the fixing seats 2 by screws.

[0021] The connecting structure includes a connecting hole and a protruding spring piece. A pair of connecting holes are formed through the end faces of the brackets 6 away from each other. A group of small holes corresponding to the battery 12 are formed on the side of the bracket nickel strip 7, and a protruding spring piece protruding toward the side close to the bracket 6 and embedded in the connecting hole is integrally formed in the small hole. The protruding spring piece of the bracket nickel strip 7 is in contact with the battery 12 in the connecting hole.

[0022] The battery fixing structure includes mounting grooves 11 . The end surfaces of each pair of brackets 6 close to each other are provided with mounting grooves 11 corresponding to the number and shape of each group of batteries 12 , and both ends of the batteries 12 are inserted into the mounting grooves 11 .

[0023] The mounting structure includes a nickel belt groove 18 and a truncated cone. A nickel belt groove 18 is provided on the end surface of the bracket 6 away from the battery 12, and a bracket nickel belt 7 is embedded in the nickel belt groove 18. The end surface of the bracket 6 away from the battery 12 is integrally formed with two truncated cones which are coaxial with the two bracket struts 4 respectively, and the outer walls of the two truncated cones are sleeved with the bracket nickel belt 7. A pin groove which is connected to the nickel belt groove 18 and matches with the pin of the bracket nickel belt 7 is provided on the top of the bracket 6.

[0024] The connection structure includes nickel strap holes 9. The upper end surface of the PCB board 8 is provided with a plurality of nickel strap holes 9 corresponding to the pins of the bracket nickel strap 7. The pins of the bracket nickel strap 7 are inserted into the inside of the nickel strap holes 9, and the end of the pin located above the PCB board 8 is bent at a right angle to the side close to the corresponding battery 12.

[0025] The clamping device includes two pairs of clamps 16 located at the top of the bracket 6 at the left and right ends respectively. The top of the bracket 6 is integrally formed with a pair of clamps 16, and the pair of clamps 16 are respectively located on the front and back sides of the PCB board 8. The bottom of the triangular clamp block integrally formed on the top of the clamp 16 abuts against the PCB board 8.

[0026] A mounting groove 11 is integrally formed on the right end surface of the upper shell 10 , and an indicator light mounting plate 13 for mounting various indicator lights is fixedly mounted in the mounting groove 11 .

[0027] Working principle: The battery assembly box can separate two adjacent groups of batteries 12 through the fireproof insulating sheet 3, effectively preventing the spread of fire and leakage between the two adjacent groups of batteries 12; when disassembling, first unscrew the screws between the fixing seat 2 and the fixing ear 15, and then remove all the brackets 6, batteries 12 and other components, and then unscrew the nut at one end of the fixing screw 14, and tilt the fixing screw 14 to slide all the brackets 6, batteries 12, fireproof insulating sheets 3, bracket nickel strips 7, etc. off the fixing screw 14.

[0028] The battery assembly box can separate two adjacent groups of batteries 12 through the fireproof insulating sheet 3, effectively preventing the spread of fire and leakage between the two adjacent groups of batteries 12, and has good fireproof insulating performance. After unscrewing, first unscrew the screws between the fixing seat 2 and the fixing ear 15 and unscrew the nut at one end of the fixing screw 14, and tilt the fixing screw 14 to slide all the brackets 6, batteries 12, fireproof insulating sheets 3, bracket nickel strips 7, etc. off the fixing screw 14, so that the removal of the battery 12 is more convenient and quick.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A battery assembly box that is easy to disassemble and fireproof and insulated, comprising a bottom shell (1) and an upper shell (10), characterized in that: The upper end surface of the bottom shell (1) is connected to the upper shell (10) by screw fastening, a plurality of pairs of brackets (6) are provided at the bottom of the bottom shell (1), and two groups of batteries (12) are fixedly arranged between each pair of brackets (6) by a battery fixing structure, a fireproof insulating sheet (3) is sandwiched between two adjacent pairs of the brackets (6), and each pair of the brackets (6) is provided with a pair of bracket support rods (4) integrally formed at the end surfaces close to each other, two screw holes (17) penetrating the bracket support rods (4) are provided on the side surfaces of the plurality of pairs of the brackets (6), and fixing screws (14) are inserted into the two screw holes (17), and the outer walls of the two fixing screws (14) are sleeved with a plurality of pairs of brackets (6) and a plurality of fireproof insulating sheets (3), and the right end surface of the left end nut of the fixing screw (14) abuts against the bracket (6) located on the leftmost side. ), the right end of the fixing screw (14) is threadedly connected with a nut, and the left end face of the nut abuts against the rightmost bracket (6), the end faces of each pair of the brackets (6) away from each other are embedded with a bracket nickel strip (7) connected to the battery (12) through a connecting structure through a mounting structure, the pins of several bracket nickel strips (7) are connected to a PCB board (8) through a connecting structure, and the PCB board (8) is fixedly installed on the top of the bracket (6) through a clamping device, the left end bottom of the bracket (6) located on the leftmost side and the right end bottom of the bracket (6) located on the rightmost side are both integrally formed with a fixing ear (15), and the bottom of the bottom shell (1) is integrally formed with a pair of fixing seats (2) corresponding to the fixing ears (15), and the fixing ears (15) are fastened to the fixing seats (2) by screws.

2. The fireproof and insulated battery assembly box that is easy to disassemble according to claim 1, characterized in that: The connecting structure comprises a connecting hole and a protruding spring sheet. A pair of connecting holes are formed through the end surfaces of the brackets (6) away from each other. A group of small holes corresponding to the battery (12) are formed on the side of the bracket nickel strip (7). A protruding spring sheet protruding toward a side close to the bracket (6) and embedded in the connecting hole is integrally formed in the small hole. The protruding spring sheet of the bracket nickel strip (7) contacts the battery (12) in the connecting hole.

3. The easy-to-disassemble fireproof and insulated battery assembly box according to claim 1, characterized in that: The battery fixing structure comprises a mounting groove (11), and the end surfaces of each pair of the brackets (6) close to each other are provided with mounting grooves (11) corresponding to the number and shape of each group of batteries (12), and the two ends of the battery (12) are inserted into the mounting grooves (11).

4. The easy-to-disassemble fireproof and insulated battery assembly box according to claim 1, characterized in that: The mounting structure comprises a nickel belt groove (18) and a truncated cone. The end surface of the bracket (6) away from the battery (12) is provided with a nickel belt groove (18), and a bracket nickel belt (7) is embedded in the nickel belt groove (18). The end surface of the bracket (6) away from the battery (12) is provided with two truncated cones coaxial with two bracket struts (4) respectively, and the outer walls of the two truncated cones are sleeved with the bracket nickel belt (7). The top of the bracket (6) is provided with a pin groove connected to the nickel belt groove (18) and matched with the pin of the bracket nickel belt (7).

5. The easy-to-disassemble fireproof and insulated battery assembly box according to claim 1, characterized in that: The connection structure comprises nickel belt holes (9), the upper end surface of the PCB board (8) is provided with a plurality of nickel belt holes (9) corresponding to the pins of the bracket nickel belt (7), and the inside of the nickel belt holes (9) is plugged with the pins of the bracket nickel belt (7), and the end of the pin located above the PCB board (8) is bent at a right angle to a side close to the corresponding battery (12).

6. The easy-to-disassemble fireproof and insulated battery assembly box according to claim 1, characterized in that: The clamping device comprises two pairs of clamps (16) respectively located at the top of the bracket (6) at the left and right ends, the top of the bracket (6) is integrally formed with a pair of clamps (16), and the pair of clamps (16) are respectively located at the front and rear sides of the PCB board (8), and the bottom of the triangular clamping block integrally formed at the top of the clamp (16) abuts against the PCB board (8).

7. The easy-to-disassemble fireproof and insulated battery assembly box according to claim 1, characterized in that: The right end surface of the upper shell (10) is integrally formed with a mounting groove (11), and an indicator light mounting plate (13) for mounting various indicator lights is fixedly mounted in the mounting groove (11).

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