CN210668466U

CN210668466U - Battery module

Info

Publication number: CN210668466U
Application number: CN201921555775.XU
Authority: CN
Inventors: 向吉燕
Original assignee: Kunshan Jizhe'an Mould Technology Co Ltd
Current assignee: Kunshan Jizhe'an Mould Technology Co Ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-06-02
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a battery module, which comprises an outer shell, the top screw connection of shell has the top cap, the terminal box is installed to the top opening part of top cap, battery mechanism has been placed to the inner chamber of shell, the inner chamber bottom four corners of shell all is embedded to have fixed establishment, and the inner chamber bottom of shell is fixed through fixed establishment and battery mechanism, the aluminum sheet has all been welded at the upper and lower both ends of group battery, two from top to bottom the outside rear end of aluminum sheet has the copper sheet winding displacement along controlling the direction welding respectively, both ends all are provided with the mount about the outer wall of group battery, the upper and lower both ends of group battery and the outside that is located the aluminum sheet all are provided. This battery module shell and battery module need not the screw and is connected inside battery mechanism and shell, reduces required installation procedure, easy operation to with reduction in production cost, improve the battery module quality of production, the practicality is strong.

Description

Battery module

Technical Field

The utility model relates to a battery technology field specifically is a battery module.

Background

The Battery (Battery) is a device which is used for containing electrolyte solution and metal electrodes to generate current and can convert chemical energy into electric energy, has a positive pole and a negative pole, plays a great role in various aspects of modern social life, and is particularly important as the heart of a new energy automobile.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery module to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a battery module comprises a shell, wherein a top cover is connected to the top end of the shell through a screw, a junction box is installed at an opening at the top end of the top cover, a battery mechanism is placed in an inner cavity of the shell, fixing mechanisms are embedded in four corners of the bottom end of the inner cavity of the shell, and the bottom end of the inner cavity of the shell is fixed with the battery mechanism through the fixing mechanisms;

the battery mechanism comprises a battery pack, an aluminum sheet, a copper sheet flat cable, a fixing frame and a PC board;

aluminum sheets are welded at the upper end and the lower end of the battery pack, copper sheet flat cables are welded at the rear ends of the outer sides of the upper aluminum sheet and the lower aluminum sheet respectively along the left-right direction, the upper copper sheet flat cable and the lower copper sheet flat cable are electrically connected with the junction box, fixing frames are arranged at the upper end and the lower end of the outer wall of the battery pack, and PC boards are arranged at the upper end and the lower end of the battery pack and at the outer;

the fixing mechanism comprises a shell, a rectangular rod, a rectangular block, a rectangular groove, a rectangular plate, a first sliding groove, a spring, a second sliding groove, a second sliding block, a connecting rod, a square block, a hook rod, a first sliding block and a hook;

four corners of the bottom end of the inner cavity of the shell are all embedded with shells, rectangular rods are inserted into the top ends of the four shells, the bottom ends of the rectangular rods extend into the top end of the inner cavity of the shell and are provided with rectangular blocks, the central position of the outer side of each shell is provided with a rectangular groove communicated with the inner cavity of the shell along the vertical direction, the outer sides of the rectangular blocks are provided with rectangular plates, the outer sides of the rectangular plates penetrate through the outer sides of the top ends of the inner cavities of the rectangular grooves, the outer sides of the rectangular plates are provided with first sliding grooves along the vertical direction, the central position of the bottom end of each rectangular block is connected with one end of a spring through a screw, the other end of the spring is clamped with the bottom end of the inner cavity of the shell, the inner side of each rectangular block is provided with a second sliding groove, the bottom end of the inner side of the inner cavity, the outside bottom of casing is provided with square piece, square piece's inboard is rotated through the round pin axle and is connected with the couple pole, the inboard bottom of couple pole is provided with the first slider of pegging graft with first spout inner chamber bottom, is located the lower surface four corners of the bottom PC board of group battery all is provided with the couple of couple pole looks joint.

Preferably, the side wall of the shell is provided with a plurality of heat dissipation holes.

Preferably, the inner cavity of the first chute is inclined outwards from top to bottom.

Preferably, grooves are formed in the upper end and the lower end of the inner cavity of the second sliding groove, and the top end of the groove above the second sliding groove is arranged in an upward inclined mode.

Preferably, the included angle between the hook rod and the square block is 60 degrees.

Compared with the prior art, the beneficial effects of the utility model are that: the battery module is characterized in that when the battery mechanism is arranged in the shell, the battery mechanism downwards extrudes the rectangular rod in the fixing mechanism, the rectangular rod drives the rectangular block to downwards move and extrude the spring to elastically deform, the rectangular block drives the second chute to downwards move, the second slider slides to the groove at the top end of the inner cavity of the second chute along the inner cavity of the second chute to enable the second slider to be clamped with the groove at the top end of the inner cavity of the second chute, the rectangular block is further fixed, the rectangular plate drives the first chute to downwards move in the downwards moving process of the rectangular block, the inner cavity of the first chute downwards moves along the outer wall of the first slider to enable the hook rod to inwards rotate and be clamped with the hook, the battery mechanism is further fixed in the inner cavity of the shell, the assembly of the battery module is further completed, the internal battery mechanism is not required to be connected with the shell through a screw, and the required installation procedures are reduced, the operation is simple, the production cost is reduced, the quality of the produced battery module is improved, and the practicability is high.

Drawings

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

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

fig. 3 is a sectional view of the fixing structure of the present invention;

fig. 4 is a schematic view of the rectangular block of the present invention.

In the figure: 1. the connecting device comprises a shell, 2, a top cover, 3, a junction box, 4, a battery pack, 5, an aluminum sheet, 6, a copper sheet flat cable, 7, a fixing frame, 8, a PC board, 9, a fixing mechanism, 901, a shell, 902, a rectangular rod, 903, a rectangular block, 904, a rectangular groove, 905, a rectangular plate, 906, a first sliding groove, 907, a spring, 908, a second sliding groove, 909, a second sliding block, 910, a connecting rod, 911, a square block, 912, a hook rod, 913, a first sliding block, 914 and a hook.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a battery module comprises a shell 1, wherein a top cover 2 is connected to the top end of the shell 1 through a screw, the shell 1 and the top cover 2 are both made of PVC plastic materials, an internal battery mechanism is protected, the quality of the battery module is reduced, a junction box 3 is installed at an opening at the top end of the top cover 2, a battery mechanism is placed in an inner cavity of the shell 1, four corners of the bottom end of the inner cavity of the shell 1 are embedded with fixing mechanisms 9, and the bottom end of the inner cavity of the shell 1 is fixed with the battery mechanism through the fixing mechanisms 9;

the battery mechanism comprises a battery pack 4, an aluminum sheet 5, a copper sheet flat cable 6, a fixing frame 7 and a PC board 8;

the upper end and the lower end of the battery pack 4 are welded with aluminum sheets 5, the aluminum sheets 5 can connect the positive and negative electrodes of the battery pack 4, the rear ends of the outer sides of the upper and the lower aluminum sheets 5 are welded with copper sheet flat cables 6 along the left and right directions respectively, the upper and the lower copper sheet flat cables 6 are electrically connected with the junction box 3, the junction box 3 is connected with other external battery modules so as to improve the electric power storage capacity, the upper and the lower ends of the outer wall of the battery pack 4 are provided with fixing frames 7, the battery pack 4 adopts the adjacent arrangement of the positive and the negative electrodes and is fixedly connected by the fixing frames 7, the upper and the lower ends of the battery pack 4 and the outer sides of the aluminum sheets 5 are provided with PC boards 8, the PC boards 8 are made of polycarbonate, and have the characteristics of high transparency, light;

the fixing mechanism 9 comprises a housing 901, a rectangular rod 902, a rectangular block 903, a rectangular groove 904, a rectangular plate 905, a first sliding chute 906, a spring 907, a second sliding chute 908, a second sliding block 909, a connecting rod 910, a square block 911, a hook rod 912, a first sliding block 913 and a hook 914;

four corners of the bottom end of the inner cavity of the casing 1 are embedded with casings 901, the top ends of the four casings 901 are inserted with rectangular rods 902, the bottom ends of the rectangular rods 902 extend into the top end of the inner cavity of the casing 901 and are provided with rectangular blocks 903, the center position of the outer side of the casing 901 is provided with rectangular grooves 904 communicated with the inner cavity of the casing 901 along the up-down direction, the outer sides of the rectangular blocks 903 are provided with rectangular plates 905, the outer sides of the rectangular plates 905 penetrate through the outer sides of the top ends of the inner cavity of the rectangular grooves 904, the outer sides of the rectangular plates 905 are provided with first sliding grooves 906 along the up-down direction, the center position of the bottom end of the rectangular block 903 is in screw connection with one end of a spring 907, the other end of the spring 907 is clamped with the bottom end of the inner cavity of the casing 901, the spring 907 is a compression spring, the elastic coefficient is 16N/CM, the, the bottom end of the inner side of the inner cavity of the shell 901 is rotatably connected with one end of a connecting rod 910 through a pin shaft, the top end of the inner side of the connecting rod 910 is provided with a second sliding block 909 inserted into the bottom end of the inner cavity of the second sliding chute 908, the battery mechanism can downwards press a rectangular rod 902 in four fixing mechanisms 9 positioned at the bottom end of the inner cavity of the shell 1, the rectangular rod 902 drives a rectangular block 903 to downwards move and presses a spring 907 to make the rectangular block elastically deformed, so that the rectangular block 903 drives the second sliding chute 908 to downwards move, the second sliding block 909 slides to a groove at the top end of the inner cavity of the second sliding chute 908 along the inner cavity of the second sliding chute 908, the second sliding block 909 is clamped with the groove at the top end of the inner cavity of the second sliding chute 908, the rectangular block 903 is further fixed, the bottom end of the outer side of the shell 901 is provided with a square block 911, the inner side of the square block is rotatably connected with, the lower surface four corners that are located the bottom PC board 8 of group battery 4 all is provided with couple 914 that couple pole 912 looks joint, rectangular block 903 is at the downstream in-process, rectangular block 903 drives rectangular plate 905 and moves down at the inner chamber of rectangular channel 904, and make rectangular plate 905 drive first spout 906 and move down, so that first spout 906 inner chamber moves down along first slider 913 outer wall, and make couple pole 912 bottom and square 911 round pin hub rotation junction rotate for the centre of a circle inboard, so that couple pole 912 top and couple 914 joint, and then fix battery mechanism in shell 1 inner chamber.

Preferably, the side wall of the housing 1 is provided with a plurality of heat dissipation holes to dissipate heat of the battery mechanism inside the housing 1.

Preferably, the inner cavity of the first sliding chute 906 is inclined from top to bottom to the outside, so that the inner cavity of the first sliding chute 906 moves up and down along the outer wall of the first sliding block 913, and the rotating connection position of the bottom end of the hook rod 912 and the pin shaft of the square block 911 rotates to the inside or the outside as the center of a circle.

Preferably, the upper and lower ends of the inner cavity of the second sliding chute 908 are both provided with a groove, and the top end of the upper groove of the second sliding chute 908 is inclined upward, so that the second sliding block 909 slides out of the upper groove of the second sliding chute 908 along the top end inclined plane of the upper groove of the second sliding chute 908.

As an optimized scheme, furthermore, an included angle between the hook rod 912 and the square block 911 is 60 degrees, so that the hook rod 912 rotates around a rotating connection position of a pin shaft of the square block 911 and the bottom end of the hook rod 912, and the top end of the hook rod 912 is clamped with or separated from the hook 914.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the battery mechanism is installed, a worker places the battery mechanism in the shell 1 and presses the battery mechanism downwards, the PC board 8 at the bottom end of the battery mechanism downwards presses the rectangular rods 902 in the four fixing mechanisms 9 at the bottom end of the inner cavity of the shell 1, and the rectangular rods 902 drive the rectangular blocks 903 to move downwards and press the springs 907 to cause elastic deformation, as the bottom end of the connecting rod 910 is rotatably connected with the inner wall of the shell 901 through a pin shaft, and the upper end and the lower end of the inner cavity of the second sliding chute 908 are provided with grooves, so that the rectangular blocks 903 drive the second sliding chute 908 to move downwards, the second sliding blocks 909 slide along the inner cavity of the second sliding chute 908 to the grooves at the top end of the inner cavity of the second sliding chute 908, the second sliding blocks 909 are enabled to be clamped with the grooves at the top end of the inner cavity of the second sliding chute 908, the rectangular blocks 903 are further fixed, and the rectangular blocks 903 drive the rectangular boards 905 to move downwards in the inner, and the rectangular plate 905 drives the first chute 906 to move downwards, the inner cavity of the first chute 906 is arranged obliquely from top to bottom to outside so that the inner cavity of the first chute 906 moves downwards along the outer wall of the first sliding block 913, the hook rod 912 rotates inwards with the rotating connection position of the bottom end of the hook rod 912 and the pin shaft of the square block 911 as the center of a circle, so that the top end of the hook rod 912 is clamped with the hook 914, the battery mechanism is fixed in the inner cavity of the shell 1, a worker connects and fixes the wires of the upper copper sheet flat cable 6 and the lower copper sheet flat cable 6 with the junction box 3 and connects the top end of the shell 1 with a top cover 2 through screws so as to complete the assembly of the battery module, when the problem of the battery module occurs and the internal battery mechanism needs to be taken out for maintenance, the worker takes off the battery mechanism 2 and presses the internal battery mechanism of the shell 1 downwards again, because the top end of the upper groove of the second chute 908 is arranged obliquely upwards, so that the second sliding block 909, and is out of clamping connection with the inner wall of a groove above the second sliding chute 908, so that the fixing of the rectangular block 903 is released, the spring 907 pushes the rectangular block 903 to move upwards under the self elastic action, so that the second sliding chute 908 slides upwards along the outer wall of the second sliding block 909, the second sliding block 909 is pushed to slide to the groove position at the bottom end of the inner cavity of the second sliding chute 908, the rectangular block 903 drives the first sliding chute 906 to move upwards under the matching of the rectangular plate 905 in the upward moving process, so that the inner cavity of the first sliding chute 906 moves upwards along the outer wall of the first sliding chute 913, the hook rod 912 rotates outwards with the rotating connection position of the bottom end of the rectangular block 912 and the pin shaft of the square block 911 as the circle center, so that the top end of the hook rod 912 is out of clamping connection with the hook 914, the fixing of the battery mechanism is released, the rectangular rod 902 pushes the battery mechanism out of the inner cavity of the shell 1, and the inner, the required installation procedures are reduced, the operation is simple, the production cost is reduced, the quality of the produced battery module is improved, and the practicability is high.

In the description of the present invention, it is to be understood that the terms "top end", "bottom end", "one end", "front side", "rear side", "other end", "upper", "lower", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated; also, unless expressly stated or limited otherwise, the terms "mounted," "screwed," "plugged," "interference fit," "disposed," and the like are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A battery module, includes shell (1), its characterized in that: a top cover (2) is connected to the top end of the shell (1) through a screw, a junction box (3) is installed at an opening at the top end of the top cover (2), a battery mechanism is placed in an inner cavity of the shell (1), fixing mechanisms (9) are embedded in four corners of the bottom end of the inner cavity of the shell (1), and the bottom end of the inner cavity of the shell (1) is fixed with the battery mechanism through the fixing mechanisms (9);

the battery mechanism comprises a battery pack (4), an aluminum sheet (5), a copper sheet flat cable (6), a fixing frame (7) and a PC board (8);

aluminum sheets (5) are welded at the upper end and the lower end of the battery pack (4), copper sheet flat cables (6) are welded at the rear ends of the outer sides of the upper aluminum sheet (5) and the lower aluminum sheet (5) along the left-right direction respectively, the upper copper sheet flat cable (6) and the lower copper sheet flat cable (6) are electrically connected with the junction box (3), fixing frames (7) are arranged at the upper end and the lower end of the outer wall of the battery pack (4), and PC boards (8) are arranged at the upper end and the lower end of the battery pack (4);

the fixing mechanism (9) comprises a shell (901), a rectangular rod (902), a rectangular block (903), a rectangular groove (904), a rectangular plate (905), a first sliding groove (906), a spring (907), a second sliding groove (908), a second sliding block (909), a connecting rod (910), a square block (911), a hook rod (912), a first sliding block (913) and a hook (914);

casings (901) are embedded in four corners of the bottom end of an inner cavity of the shell (1), rectangular rods (902) are inserted into the top ends of the four casings (901), the bottom ends of the rectangular rods (902) extend into the top end of the inner cavity of the casings (901) and are provided with rectangular blocks (903), rectangular grooves (904) communicated with the inner cavity of the casings (901) are formed in the center positions of the outer sides of the casings (901) along the vertical direction, rectangular plates (905) are arranged on the outer sides of the rectangular blocks (903), the outer sides of the rectangular plates (905) penetrate through the outer sides of the top ends of the inner cavities of the rectangular grooves (904), first sliding grooves (906) are formed in the outer sides of the rectangular plates (905) along the vertical direction, one ends of springs (907) are connected to the center positions of the bottom ends of the rectangular blocks (903) through screws, the other ends of the springs (907) are clamped with the bottom end of the inner cavity of the casings (901), second sliding, the utility model discloses a battery pack, including casing (901), the inboard bottom of inner chamber of casing (901) rotates through the round pin axle and is connected with the one end of connecting rod (910), the inboard top of connecting rod (910) is provided with second slider (909) of pegging graft with the inner chamber bottom of second spout (908), the outside bottom of casing (901) is provided with square piece (911), the inboard of square piece (911) rotates through the round pin axle and is connected with couple pole (912), the inboard bottom of couple pole (912) is provided with first slider (913) of pegging graft with first spout (906) inner chamber bottom, is located the lower surface four corners of the bottom PC board (8) of group battery (4) all is provided with couple (914) of couple pole (912) looks joint.

2. The battery module according to claim 1, wherein: the side wall of the shell (1) is provided with a plurality of heat dissipation holes.

3. The battery module according to claim 1, wherein: the inner cavity of the first sliding chute (906) is obliquely arranged from top to bottom towards the outer side.

4. The battery module according to claim 1, wherein: grooves are formed in the upper end and the lower end of the inner cavity of the second sliding groove (908), and the top end of the groove above the second sliding groove (908) is arranged in an upward inclined mode.

5. The battery module according to claim 1, wherein: the included angle between the hook rod (912) and the square block (911) is 60 degrees.