CN213662139U

CN213662139U - Battery BDU casing convenient to dismantle

Info

Publication number: CN213662139U
Application number: CN202022813612.6U
Authority: CN
Inventors: 李超; 王安民; 韩廷; 祝加林; 卢雪梅; 陈坤伦
Original assignee: Hefei Guoxuan High Tech Power Energy Co Ltd
Current assignee: Hefei Gotion High Tech Power Energy Co Ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-07-09
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a BDU shell of a battery convenient to disassemble, which comprises an upper shell and a lower shell, wherein the lower shell is sleeved in an inner cavity of the upper shell, two ends of the outer end surface on one side of the upper shell are symmetrically and fixedly provided with fixed plates, and a pressing plate is arranged between the fixed plates and the upper shell in a sliding way; a pressing block is movably arranged on the side wall of the upper shell which is in contact with the pressing plate; and the outer side wall of the lower shell is provided with a pressure groove matched with the pressure block. The utility model discloses with casing installation inside last casing down, through setting up fixed plate, briquetting, indent and clamp plate for joint between interior casing and the shell body is more convenient, only need take out the clamp plate when dismantling, under the effect of spring, briquetting and indent separation can make go up casing and casing separately connect down, and will go up casing and casing separation down.

Description

Battery BDU casing convenient to dismantle

Technical Field

The utility model relates to an automobile battery technical field specifically is a battery BDU convenient to dismantle.

Background

The BDU (Battery Disconnect Unit) battery pack disconnection unit is specially designed for the interior of a battery pack and is a battery module protected in a battery box of an electric vehicle. At present, the existing automobile BDU generally consists of an upper shell and a lower shell, wherein the upper shell and the lower shell are generally connected together by bolts, and the upper shell and the lower shell of some BDUs are connected by buckles; however, the two connection modes are troublesome to operate when being disassembled, and parts in the shell are inconvenient to replace; and is time-consuming and prone to wear the housing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car battery BDU casing convenient to dismantle to current car BDU that proposes in solving above-mentioned background art is not convenient for dismantle the problem of changing.

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

a BDU shell of a battery convenient to disassemble comprises an upper shell and a lower shell, wherein the lower shell is sleeved in an inner cavity of the upper shell, two ends of the outer end face of one side of the upper shell are symmetrically and fixedly provided with fixing plates, and a pressing plate is slidably arranged between the fixing plates and the upper shell; a pressing block is movably arranged on the side wall of the upper shell which is in contact with the pressing plate; and the outer side wall of the lower shell is provided with a pressure groove matched with the pressure block.

In order to improve the stability of the connection between the upper shell and the lower shell, fixing plates are fixedly mounted on the outer end faces of two opposite sides of the upper shell. The two sides of the upper shell and the lower shell are fixed, and stability is improved.

In a further scheme, the fixing plate is of an L-shaped structure, one end of the fixing plate is fixed on the upper shell, and a pressing plate groove used for containing the pressing plate is formed between the other end of the fixing plate and the upper shell.

In a further scheme, a pressing block opening for accommodating the pressing block is formed in the shell of the upper shell, and two ends of the pressing block are connected with the inner side wall of the pressing block opening through a pressing block rotating shaft and a spring respectively; the pressing block at one end of the spring extends towards the lower shell to form a convex block matched with the pressing groove.

Preferably, the spring is obliquely arranged, one end of the spring is connected with the bottom of the bump, and the other end of the spring is connected with the upper part of the inner side wall of the pressing block opening.

Namely, when no external force exists, the spring pulls the pressing block to enable the pressing block to be positioned in the pressing plate groove; when inserting the clamp plate in the clamp plate groove, the clamp plate extrudees the briquetting, makes the briquetting leave the clamp plate groove and down the casing direction and remove to make its lug just in time buckle in the indent on casing down, realized going up casing and down the relative connection between the casing fixed, and make go up casing and casing down be difficult for droing. When the pressing plate is taken out from the pressing plate groove, the pressing block moves towards the pressing plate groove and is recovered to the pressing plate groove under the action of the elastic force of the spring, so that the upper shell and the lower shell are separated, and the lower shell is convenient to take out.

In a further scheme, one end of the pressure plate is vertically and fixedly connected with a connecting plate, and a hook-shaped clamping plate is movably arranged at the edge of the inner side of the connecting plate; and the fixed plate is provided with a clamping groove matched with the hook part of the hook-shaped clamping plate.

Preferably, the hook-shaped clamping plate is rotatably connected with the connecting plate through a clamping plate rotating shaft, so that the hook-shaped clamping plate rotates around the clamping plate rotating shaft in the direction away from or close to the fixing plate, and the hook-shaped clamping plate is connected with or separated from the fixing plate. The pressing plate can be connected with the fixing plate through the hook-shaped clamping plate, and the fixing between the pressing plate and the fixing plate is realized.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses with casing installation inside last casing down, through setting up fixed plate, briquetting, indent and clamp plate for joint between interior casing and the shell body is more convenient, makes the indent on briquetting and the lower casing carry out the joint through the clamp plate promptly, still can be connected with the fixed plate through hook-like cardboard simultaneously, has realized connecting between the upper and lower casing.

When the pressure plate is detached, the pressure plate is only required to be taken out, the pressure block is separated from the pressure groove under the action of the spring, the upper shell and the lower shell can be connected separately, and the upper shell and the lower shell can be separated easily.

Drawings

Fig. 1 is a schematic structural view of an upper housing of the present invention;

FIG. 2 is a schematic structural view of the lower housing of the present invention;

fig. 3 is a schematic structural view of the middle press plate of the present invention;

FIG. 4 is a transverse cross-sectional view of FIG. 1;

FIG. 5 is a longitudinal cross-sectional view of FIG. 1;

FIG. 6 is a schematic view of the connection between the middle pressing block and the upper housing of the present invention;

FIG. 7 is a schematic view of the assembly of the upper and lower shells of the present invention;

fig. 8 is a longitudinal sectional view of the present invention.

In the figure: 1. an upper housing; 2. a platen slot; 3. a fixing plate 31 and a clamping groove; 4. a pressing plate 41 and a connecting plate; 5. a hook-shaped clamp plate 51 and a clamp plate rotating shaft; 6. a lower housing; 7. pressing a groove; 8. a pressing block 81, a pressing block rotating shaft 82, a spring 83 and a lug.

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.

Example 1:

referring to fig. 1 to 8, the present embodiment provides a BDU casing for a battery, which includes an upper casing 1 and a lower casing 6, where the lower casing 6 is sleeved in an inner cavity of the upper casing 1, and four corners of the lower casing 6 are provided with bolt holes connected to a battery box of an automobile.

The outer end faces of the side walls of the top plate and the bottom plate of the upper shell 1 are respectively and symmetrically and fixedly provided with a fixed plate 3 at two ends, the fixed plates 3 are of L-shaped structures, and a pressure plate groove 2 for containing the pressure plate 4 is formed between one end of each fixed plate and the upper shell 1 and between the other end of each fixed plate and the upper shell 1. When the lower shell 6 is sleeved in the inner cavity of the upper shell 1, the pressing plate 4 is inserted into the pressing plate groove 2, so that the pressing block 8 on the upper shell 1 is connected with the pressing groove 7 on the lower shell 6, and the relative connection between the upper shell 1 and the lower shell 6 is realized.

As shown in fig. 6, a pressing block opening for accommodating the pressing block 8 is formed in the middle of the upper casing 1, and two ends of the pressing block 8 are connected with the inner side wall of the pressing block opening through a pressing block rotating shaft 81 and a spring 82 respectively; the pressing block 8 at one end of the spring 82 extends towards the extending direction of the lower shell 6 to form a convex block 83 which is matched with the pressing groove 7.

Preferably, the spring 82 is disposed obliquely, and one end of the spring is connected to the bottom of the protrusion 83, and the other end of the spring is connected to the upper portion of the inner sidewall of the pressing block opening.

One end of the pressing block 8 is connected with the inner side wall of the pressing block opening through the pressing block rotating shaft 81, so that the pressing block 8 moves up and down around the pressing block rotating shaft 81; the other end of the pressing block 8 is connected with the inner side wall of the pressing block opening through a spring 82 and is obliquely arranged. When no external force exists, the spring 82 lifts the pressing block 8 to enable the pressing block to be located in the pressing block groove 2; when inserting clamp plate 4 in clamp plate groove 2, clamp plate 4 extrudees briquetting 8, makes briquetting 8 leave clamp plate groove 2 and down 6 directions on the casing remove to make its lug 83 just in time buckle in the indent 7 on casing 6 down, realized going up casing 1 and the relative connection between casing 6 fixed down, and make and go up casing 1 and casing 6 and be difficult for droing down. When the pressing plate 4 is taken out from the inside of the pressing plate groove 2, the pressing block 8 moves towards the pressing plate groove 2 and is recovered into the pressing plate groove 2 under the elastic force of the spring 82, so that the upper shell 1 and the lower shell 6 are separated, and the lower shell 6 is convenient to take out.

In order to facilitate the installation of the pressing plate 4, the pressing block rotating shaft 81 is arranged on the pressing block 8 close to one side where the pressing plate 4 enters, and one side of the pressing block 8 far away from the rotating shaft moves up and down, so that the pressing plate 4 can be conveniently inserted, installed or pulled out.

As shown in fig. 3, in order to maintain the stability of the pressure plate 4, a connecting plate 41 is vertically fixed at one end of the pressure plate 4, and a hook-shaped clamping plate 5 is movably mounted at the inner edge of the connecting plate 41; the fixing plate 3 is provided with a clamping groove 31 matched with the hook part of the hook-shaped clamping plate 5.

Preferably, the hook-shaped clamping plate 5 is rotatably connected with the connecting plate 41 through a clamping plate rotating shaft 51, so that the hook-shaped clamping plate 5 rotates around the clamping plate rotating shaft 51 in a direction away from or close to the fixing plate 3.

The connecting plate 41 located at the outer side can provide a hand-held portion for a user, and when the pressing plate 4 is inserted or pulled out, the user only needs to put the hand on the connecting plate 41 to pull the pressing plate, so that the pressing plate 4 can be more conveniently inserted and pulled out. After the pressing plate 4 is inserted into the pressing plate groove 2, the hook part of the hook-shaped clamping plate 5 reaches the position of the clamping groove 31 and rotates towards the direction of the clamping groove 31, so that the hook-shaped clamping plate is inserted into the clamping groove 31, and the effect of limiting and fixing the pressing plate 4 is achieved; when the pressing plate 4 needs to be taken out, the hook-shaped clamping plate 5 only needs to be rotated out of the clamping groove 31, and the pressing plate 4 is pulled out.

As shown in fig. 7-8, during assembly, the lower case 6 is pushed into the inner cavity of the upper case 1, and then the connecting plate 41 of the hand-held pressing plate 4 is inserted into the pressing plate groove 2, the pressing plate 4 presses the pressing block 8, so that the pressing block 8 is separated from the pressing plate groove 2 and moves towards the lower case 6, and the convex block 83 is just buckled in the pressing groove 7 on the lower case 6, thereby realizing the relative connection and fixation between the upper case 1 and the lower case 6, and being not easy to fall off in the moving process. Meanwhile, the hook-shaped clamping plate 5 on the pressing plate 4 rotates towards the direction of the clamping groove 31, so that the hook part of the clamping plate is inserted into the clamping groove 31, the pressing plate 4 is positioned, and the upper shell and the lower shell are firmly connected and are not easy to fall off in the moving process. When the pressing plate 4 is taken out from the inside of the pressing plate groove 2, the hook-shaped clamping plate 5 is firstly rotated out from the clamping groove 31, then the pressing plate 4 is pulled out, and the pressing block 8 moves towards the pressing plate groove 2 and is recovered into the pressing plate groove 2 under the elastic action of the spring 82, so that the upper shell 1 and the lower shell 6 are separated, and the lower shell 6 is convenient to pull out.

Example 2:

fixing plates 3 are symmetrically and fixedly installed at two ends of the outer end face of one side of the upper shell 1, and a pressing plate 4 is installed between the fixing plates 3 and the upper shell 1 in a sliding mode; a pressing block 8 is movably arranged on the side wall of the upper shell 1 which is in contact with the pressing plate 4; and the outer side wall of the lower shell 6 is provided with a pressing groove 7 matched with the pressing block 8. As shown in fig. 1, fixing plates 3 are symmetrically and fixedly mounted at two ends of an outer end surface of a top plate of an upper housing 1, the fixing plates 3 are L-shaped, and a pressing plate groove 2 for accommodating the pressing plate 4 is formed between one end of each fixing plate 3 and the upper housing 1 and between the other end of each fixing plate and the upper housing 1. When the lower shell 6 is sleeved in the inner cavity of the upper shell 1, the pressing plate 4 is inserted into the pressing plate groove 2, the pressing block 8 on the upper shell 1 is opposite to the pressing groove 7 on the lower shell 6, and when the upper shell 1 is pressed down, the pressing block 8 is clamped into the pressing groove 7, so that the relative connection between the upper shell 1 and the lower shell 6 is realized. When the upper shell 1 is disassembled, the upper shell 1 is reversely lifted, so that the pressing block 8 leaves the pressing groove 7, and the upper shell 1 and the lower shell 6 are separated.

The other component structures are the same as those of embodiment 1.

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. The utility model provides a battery BDU casing convenient to dismantle, includes casing (1) and casing (6) down, casing (6) cup joint in the inner chamber of last casing (1) down, its characterized in that: fixing plates (3) are symmetrically and fixedly installed at two ends of the outer end face of one side of the upper shell (1), and a pressing plate (4) is installed between the fixing plates (3) and the upper shell (1) in a sliding mode; a pressing block (8) is movably arranged on the side wall of the upper shell (1) which is in contact with the pressing plate (4); and the outer side wall of the lower shell (6) is provided with a pressure groove (7) matched with the pressure block (8).

2. A BDU housing for a battery for facilitating disassembly as claimed in claim 1, wherein: and the outer end faces of two opposite sides of the upper shell (1) are fixedly provided with fixing plates (3).

3. A BDU housing for a battery for facilitating disassembly as claimed in claim 1 or claim 2 wherein: the fixing plate (3) is of an L-shaped structure, and a pressure plate groove (2) used for containing the pressure plate (4) is formed between one end of the fixing plate and the upper shell (1) and between the other end of the fixing plate and the upper shell (1).

4. A BDU housing for a battery for facilitating disassembly as claimed in claim 1 or claim 2 wherein: a pressing block opening used for accommodating the pressing block (8) is formed in the shell of the upper shell (1), and two ends of the pressing block (8) are connected with the inner side wall of the pressing block opening through a pressing block rotating shaft (81) and a spring (82) respectively; a pressing block (8) positioned at one end of the spring (82) extends towards the lower shell (6) to form a convex block (83) matched with the pressing groove (7).

5. A BDU case for a battery convenient to disassemble and assemble as defined in claim 4, wherein: the spring (82) is obliquely arranged, one end of the spring is connected with the bottom of the convex block (83), and the other end of the spring is connected with the upper part of the inner side wall of the pressing block opening.

6. A BDU housing for a battery for facilitating disassembly as claimed in claim 1 or claim 2 wherein: one end of the pressure plate (4) is vertically and fixedly connected with a connecting plate (41), and a hook-shaped clamping plate (5) is movably mounted at the edge of the inner side of the connecting plate (41); the fixing plate (3) is provided with a clamping groove (31) matched with the hook part of the hook-shaped clamping plate (5).

7. A BDU case for a battery convenient to disassemble and assemble as defined in claim 6, wherein: the hook-shaped clamping plate (5) is rotatably connected with the connecting plate (41) through a clamping plate rotating shaft (51), so that the hook-shaped clamping plate (5) rotates around the clamping plate rotating shaft (51) in the direction away from or close to the fixing plate (3).