CN216980784U

CN216980784U - Direct-assembly type bolt-fixed power battery box

Info

Publication number: CN216980784U
Application number: CN202220184557.5U
Authority: CN
Inventors: 汪栋; 王晨
Original assignee: Chongqing Tianjun Welding Technology Co ltd
Current assignee: Chongqing Tianjun Welding Technology Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-07-15
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a direct-assembly type bolt-fixed power battery box which comprises two long beams, two short beams, a sealing plate, an insulating plate, a battery pack and an electric controller, wherein the two long beams are arranged on the two short beams; the two long beams and the two short beams are correspondingly combined into a rectangular frame body, two ends of each short beam are respectively connected with the inner side surfaces of the two long beams, and the end parts of the short beams are fixedly connected with the inner side surfaces of the long beams through fixing parts; the medial surface of two long beams and two stub beams all is provided with the support bar, and on four support bars were arranged in to the closing plate, the closing plate was arranged in to the insulation board on, battery pack and automatically controlled were arranged in on the insulation board. The support bars on the long beams are provided with a plurality of positioning grooves, the positioning grooves on the support bars on the two long beams correspond to each other in pairs, and a support beam is erected between the two corresponding positioning grooves. The both sides of constant head tank are the arc limit, and the tip both sides of support beam are provided with the installation arc limit, and the arc radius on the arc limit of constant head tank is less than the arc radius on installation arc limit. The utility model is convenient for production and assembly and is not easy to loosen.

Description

Direct-assembly type bolt-fixed power battery box

Technical Field

The utility model relates to the technical field of batteries, in particular to a direct-assembly type bolt-fixed power battery box.

Background

The chassis of the existing power battery box is formed by a plurality of parts, and then is connected by different welding modes, such as arc welding, friction welding and the like. The structure of current power battery case is comparatively complicated, and the preparation efficiency is lower, and the production rhythm is slower, and is higher to staff's technical merit requirement, leads to the preparation disability rate to be high, has improved manufacturing cost, and the power battery case of direct mount formula is not hard up easily. In view of the above problems, an improvement is provided to an existing power battery pack.

Disclosure of Invention

The utility model aims to: in order to overcome the defects in the prior art, the utility model provides a direct-assembly type bolt-fixed power battery box which is convenient to produce and assemble and not easy to loosen.

The technical scheme is as follows: in order to achieve the purpose, the direct-assembly type bolt-fixed power battery box comprises two long beams, two short beams, a sealing plate, an insulating plate, a battery pack and an electric controller, wherein the two long beams are arranged on the two short beams; the two long beams and the two short beams are correspondingly combined into a rectangular frame body, two ends of each short beam are respectively connected with the inner side surfaces of the two long beams, and the end parts of the short beams are fixedly connected with the inner side surfaces of the long beams through fixing pieces; the medial surface of two long beams and two short beams all is provided with the support bar, the closing plate is arranged in on four support bars, the closing plate is arranged in on the insulating plate, group battery and automatically controlled are arranged in on the insulating plate.

Furthermore, a plurality of positioning grooves are formed in the supporting strips on the long beams, the positioning grooves in the supporting strips on the two long beams correspond to each other in pairs, and a supporting beam is erected between the two corresponding positioning grooves.

Further, the both sides of constant head tank are the arc limit, the tip both sides of supporting beam are provided with the installation arc limit, and the arc radius on the arc limit of constant head tank is less than the arc radius on installation arc limit.

Furthermore, vertical slots are respectively arranged at two ends of the inner side surface of the long beam, and inserting blocks are respectively arranged at two ends of the short beam; the insertion blocks are vertically inserted and matched with the corresponding insertion grooves.

Furthermore, four edges of the sealing plate are respectively attached to the inner side surfaces of the two long beams and the inner side surfaces of the two short beams; the four sides of the sealing plate are respectively connected with the inner side surfaces of the two long beams and the inner side surfaces of the two short beams in a sealing mode through sealing glue, and the joints of the inner side surfaces of the adjacent long beams and the adjacent short beams are also connected in a sealing mode through the sealing glue.

Further, the fixing piece is a fixing bolt, and the fixing bolt penetrates through the through hole in the long beam and then is in threaded fit connection with the screw hole in the end portion of the short beam.

Furthermore, one end of the short beam is bolted and fixed with the long beam through at least two fixing bolts.

Has the advantages that: the direct-assembly type bolt-fixed power battery box adopts a direct-assembly type structure, a supporting beam is added in the middle after four beams are fixed, the supporting beam is placed on a bottom sealing plate, the inner ring of the supporting beam is sealed by sealant, and the four beams are fixed by bolts, so that the airtightness of a product is better ensured, and the direct-assembly type bolt-fixed power battery box has the advantages of convenience in assembly, difficulty in scrapping, high manufacturing efficiency and the like.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic structural view of a support beam and a positioning groove;

fig. 3 is a general schematic view of the assembled battery case.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

A direct-assembled bolt-fastened power battery pack as shown in fig. 1 to 3, comprising two long beams 1, two short beams 2, a sealing plate 3, an insulating plate 4, a battery pack 5 and an electronic control unit 6.

The long beam 1 and the short beam 2 are rectangular in cross section. Two long beams 1 and two short beams 2 correspond and make up into the rectangle framework, the both ends of short beam 2 meet with the medial surface of two long beams 1 respectively, and the tip of short beam 2 passes through the medial surface fixed connection of mounting and long beam 1. The medial surface of two long roof beams 1 and two stub beams 2 all is provided with support bar 7, and the setting of support bar 7 level, on four support bars 7 were arranged in to closing plate 3, supported closing plate 3 through four support bars 7. The insulating plate 4 is arranged on the sealing plate 3, and the battery pack 5 and the electronic control unit 6 are arranged on the insulating plate 4.

Be provided with a plurality of constant head tanks 8 on the support bar 7 that is located long roof beam 1, a plurality of constant head tank 8 horizontal arrangement, two liang of correspondences of a plurality of constant head tanks 8 on the support bar 7 on two long roof beams 1, erect a supporting beam 9 between two constant head tanks 8 that correspond each other, a supporting beam 9 parallels with short beam 2, improves the support effect to closing plate 3 through setting up a supporting beam 9.

The both sides of constant head tank 8 are the arc limit, supporting beam 9's tip both sides are provided with installation arc limit 10, and the arc radius on constant head tank 8's arc limit is less than the arc radius on installation arc limit 10 makes supporting beam 9's tip card go into in the constant head tank 8, and supporting beam 9 is difficult not hard up, has improved the installation intensity of whole battery case.

The utility model discloses a long roof beam 2, including long roof beam 1, short roof beam 2, insert block 12 and the vertical grafting cooperation of slot 11 that corresponds, long roof beam 1 is connected inseparabler with short roof beam 2, also is convenient for the workman to assemble, long roof beam 1's medial surface both ends are provided with vertical slot 11 respectively, the both ends of short roof beam 2 are provided with insert block 12 respectively, and insert block 12 makes the connection of long roof beam 1 and short roof beam 2 inseparabler.

Four sides of the sealing plate 3 are respectively attached to the inner side surfaces of the two long beams 1 and the two short beams 2. Four sides of the sealing plate 3 are respectively connected with the inner side surfaces of the two long beams 1 and the two short beams 2 in a sealing mode through the sealant 13, and the joint of the inner side surfaces of the adjacent long beams 1 and the short beams 2 is also connected in a sealing mode through the sealant 13, so that the air tightness of the battery box is improved.

The fixing piece is fixing bolt 14, and fixing bolt 14 transversely sets up, fixing bolt 14 passes behind the through-hole 15 on the long beam 1 and is connected with the 16 screw thread fit of screw of 2 tip on the short beam, and is fixed effectual, difficult not hard up.

One end of the short beam 2 is bolted and fixed with the long beam 1 through at least two fixing bolts 14, so that the fixing effect is further improved.

The battery box is in a direct assembly structure, during assembly, two long beams 1 and two short beams 2 are fixed through fixing bolts 14, a plurality of supporting beams 3 are placed on supporting strips 7 on the inner side surfaces of the two long beams 1, a sealing plate 3 is placed above the supporting beams 9, the inner ring of the battery box is sealed through sealant 13, then an insulating plate 4 is placed on the sealing plate 3, and a battery pack 5 and an electric control unit 6 are placed on the insulating plate 4. The battery box has the advantages of good product air tightness, convenient assembly, difficult scrapping, high manufacturing efficiency and the like.

The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.

Claims

1. The utility model provides a direct assembled bolt fastening power battery case which characterized in that: the device comprises two long beams (1), two short beams (2), a sealing plate (3), an insulating plate (4), a battery pack (5) and an electric controller (6); the two long beams (1) and the two short beams (2) are correspondingly combined into a rectangular frame body, two ends of each short beam (2) are respectively connected with the inner side surfaces of the two long beams (1), and the end parts of the short beams (2) are fixedly connected with the inner side surfaces of the long beams (1) through fixing pieces; the medial surface of two long roof beams (1) and two stub beams (2) all is provided with support bar (7), four support bar (7) are arranged in closing plate (3), on closing plate (3) were arranged in insulating board (4), on insulating board (4) were arranged in to group battery (5) and automatically controlled (6).

2. The direct mount bolt-on power cell cartridge of claim 1, wherein: a plurality of positioning grooves (8) are arranged on the supporting strips (7) on the long beams (1), a plurality of positioning grooves (8) on the supporting strips (7) on the two long beams (1) correspond to each other in pairs, and a supporting beam (9) is erected between the two mutually corresponding positioning grooves (8).

3. A direct assembled bolt-on power cell cartridge as claimed in claim 2, wherein: the both sides of constant head tank (8) are the arc limit, the tip both sides of a supporting beam (9) are provided with installation arc limit (10), and the arc radius on the arc limit of constant head tank (8) is less than the arc radius on installation arc limit (10).

4. The direct mount bolt-on power cell cartridge of claim 1, wherein: two ends of the inner side surface of the long beam (1) are respectively provided with a vertical slot (11), and two ends of the short beam (2) are respectively provided with an insertion block (12); the inserting blocks (12) are vertically inserted and matched with the corresponding inserting grooves (11).

5. The direct assembled bolt-on power cell cartridge of claim 1, wherein: four edges of the sealing plate (3) are respectively attached to the inner side surfaces of the two long beams (1) and the two short beams (2); four sides of the sealing plate (3) are respectively connected with the inner side surfaces of the two long beams (1) and the two short beams (2) in a sealing mode through sealing glue (13), and the joint of the inner side surfaces of the adjacent long beams (1) and the short beams (2) is also connected in a sealing mode through the sealing glue (13).

6. The direct mount bolt-on power cell cartridge of claim 1, wherein: the fixing piece is a fixing bolt (14), and the fixing bolt (14) penetrates through a through hole (15) in the long beam (1) and then is in threaded fit connection with a screw hole (16) in the end portion of the short beam (2).

7. The direct assembled bolt-on power cell cartridge of claim 6, wherein: one end of the short beam (2) is bolted and fixed with the long beam (1) through at least two fixing bolts (14).