CN216354528U

CN216354528U - Waterproof plastic shell battery box capable of being repeatedly used

Info

Publication number: CN216354528U
Application number: CN202122851317.4U
Authority: CN
Inventors: 杨伟; 耿弟
Original assignee: Luoyang Dianniu New Power Technology Co ltd
Current assignee: Luoyang Dianniu New Power Technology Co ltd
Priority date: 2021-11-20
Filing date: 2021-11-20
Publication date: 2022-04-19
Anticipated expiration: 2031-11-20

Abstract

The utility model discloses a recyclable waterproof plastic-shell battery box which comprises a box body inner container, a box body shell, a box cover and a breather valve, wherein the box body inner container is used for assembling and protecting, the box cover is used for sealing, the breather valve is used for releasing pressure, the box body inner container is arranged in the box body shell, a matching groove is formed between the box body inner container and the box body shell, the box cover is arranged at the upper end of the box body inner container, an open groove is formed between the box body inner container and the box cover, a sealing strip is arranged in the open groove, a boss is arranged at the position, corresponding to the open groove, of the lower end face of the box cover, and the breather valve is arranged at the upper end of the box cover. The battery box is made of polypropylene plastic, is light in material and economical and practical, and meanwhile, an open slot is formed in the inner container of the box body and used for installing a sealing strip, so that the protection grade of the IP67 of the battery box can be met, the hidden danger of short circuit of the system caused by water inflow of the battery box is avoided, the battery box can be repeatedly disassembled and assembled, and the battery box can be repeatedly utilized; the cost is reduced, and the energy utilization efficiency is improved.

Description

Waterproof plastic shell battery box capable of being repeatedly used

Technical Field

The utility model relates to the field of battery boxes, in particular to a reusable waterproof plastic-shell battery box.

Background

The low-speed electric motor car that uses at present chooses stainless steel or ordinary carbon steel as the shell of battery box, and its preparation processing cost is on the high side, and the battery box of preparation is big, causes the energy density of system little to energy utilization has been reduced. Meanwhile, the battery box selected by the low-speed electric vehicle generally does not have strict requirements on the protection grade, and the protection grade of the battery box is generally designed to be IP56, so that the potential safety hazard of water inflow of the battery box is caused.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving the above problems and providing a reusable waterproof battery box with a plastic casing.

The utility model realizes the purpose through the following technical scheme:

the utility model provides a waterproof moulded case battery box that can reuse, is including the breather valve that is used for box inner bag, the box shell of assembly and protection and is used for sealed case lid and is used for the release, box shell internally mounted have the box inner bag, the box inner bag with be provided with the cooperation groove between the box shell, install box inner bag upper end the case lid, the box inner bag with be provided with the open slot between the case lid, open slot internally mounted has the sealing strip, the terminal surface corresponds under the case lid open slot position is provided with the boss, install the case lid upper end the breather valve, be provided with the installation on the case lid the valve body installing port of breather valve.

Preferably: the case cover, the valve body mounting opening and the boss are integrally formed.

So set up, the case lid is used for sealedly and fixed, the valve body installing port is used for the installation breather valve, integrated into one piece has guaranteed overall structure's stability.

Preferably: the breather valve is connected with the box cover through threads, and the box cover is connected with the box body inner container through bolts.

So set up, the breather valve effect lies in that the box is inside to appear under the condition of thermal runaway, and internal pressure is too big, through the breather valve can carry out the release.

Preferably: the box body inner container is connected with the box body shell in a sliding mode, and the open slot is integrally formed in the box body inner container.

So set up, the box inner bag with the cooperation of box shell has both increased holistic thickness, increases the intensity of battery box, is convenient for again the processing of box inner bag opening part the open slot, the plastics casing shaping of being convenient for.

Preferably: the box cover, the box body inner container and the box body outer shell are all made of polypropylene flame-retardant plastics.

So set up, utilize the fire-retardant plastics of polypropylene needn't paste insulating material all around between box inner bag and box shell, compare with ordinary metal battery case, its insulating nature is also better.

Compared with the prior art, the utility model has the following beneficial effects:

the battery box is made of polypropylene plastic, is light in material and economical and practical, and meanwhile, an open slot is formed in the inner container of the box body and used for installing a sealing strip, so that the protection grade of IP67 of the battery box can be met, the hidden danger of short circuit of the system caused by water inflow of the battery box is avoided, the battery box can be repeatedly disassembled and assembled for many times, and the battery box can be repeatedly utilized; the cost is reduced, and the energy utilization efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a reusable waterproof plastic-case battery box according to the present invention;

fig. 2 is an exploded view of a reusable waterproof plastic-case battery box according to the present invention;

fig. 3 is a front sectional view of a reusable waterproof plastic case battery box according to the present invention.

The reference numerals are explained below:

1. a box cover; 2. a breather valve; 3. an inner container of the box body; 4. a case body shell; 5. an open slot; 6. a sealing strip; 7. a boss; 8. a mating groove; 9. a valve body mounting opening.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model will be further described with reference to the accompanying drawings in which:

examples

As shown in fig. 1-3, a waterproof plastic-shell battery box capable of being repeatedly used comprises a box inner container 3 for assembly and protection, a box outer shell 4, a box cover 1 for sealing and a breather valve 2 for pressure relief, wherein the box inner container 3 is arranged inside the box outer shell 4, a matching groove 8 is formed between the box inner container 3 and the box outer shell 4, a box cover 1 is arranged at the upper end of the box inner container 3, an open groove 5 is formed between the box inner container 3 and the box cover 1, a sealing strip 6 is arranged inside the open groove 5, a boss 7 is arranged at the lower end of the box cover 1 corresponding to the open groove 5, the breather valve 2 is arranged at the upper end of the box cover 1, and a valve body mounting opening 9 for mounting the breather valve 2 is formed in the box cover 1.

Preferably: the box cover 1, the valve body mounting port 9 and the boss 7 are integrally formed, the box cover 1 is used for sealing and fixing, the valve body mounting port 9 is used for mounting the breather valve 2, and the stability of the integral structure is guaranteed through the integral forming; the breather valve 2 is connected with the tank cover 1 through threads, the tank cover 1 is connected with the tank body liner 3 through bolts, the breather valve 2 has the effect that under the condition that thermal runaway occurs in the tank body, the internal pressure is overlarge, and pressure can be relieved through the breather valve 2; the box body inner container 3 is connected with the box body outer shell 4 in a sliding mode, the open slot 5 is integrally formed in the box body inner container 3, the box body inner container 3 is matched with the box body outer shell 4, the integral thickness is increased, the strength of the battery box is improved, the open slot 5 is conveniently machined at the opening of the box body inner container 3, and a plastic shell is conveniently formed; the box cover 1, the box body inner container 3 and the box body shell 4 are all made of polypropylene flame-retardant plastics, insulating materials do not need to be pasted between the box body inner container 3 and the box body shell 4, and compared with a common metal battery box, the insulation performance of the metal battery box is better.

The working principle is as follows: the box body shell 4, the box body inner container 3 and the box cover 1 are made of polypropylene flame-retardant plastics, the box body inner container 3 is arranged inside the box body shell 4, the box body inner container 3 and the box body shell 4 are arranged inside and outside the box body, the thickness of the box body is increased, the strength of the battery box is increased, an opening groove 5 is conveniently processed at the opening of the box body inner container 3, the plastic shell is convenient to form, a sealing strip 6 is arranged inside the opening groove 5, the box cover 1 is arranged on the upper portion of the box body inner container 3, a boss 7 on the box cover 1 is arranged inside the opening groove 5 and tightly presses the sealing strip 6, the box cover 1 is tightly connected with the box body inner container 3 through 8M 3 & 20 screws, a valve body mounting opening 9 with the diameter of 12.5mm designed at the top of the box cover 1 can be used for mounting the breather valve 2, the function is that under the condition that thermal runaway occurs inside the box body, the internal pressure is overlarge, the pressure can be relieved through the breather valve 2, the battery box is ensured not to be damaged, and because the battery box is completely processed by polypropylene flame-retardant plastics, insulating materials do not need to be pasted around the space between the inner container 3 of the box body of the battery box body and the outer shell 4 of the box body, compared with the common metal battery box, the battery box has better insulating property, and because the battery box is fastened by screws and is not bonded by glue, the requirement of the protection grade of IP67 is met, and the battery box can be disassembled and assembled for many times and can be repeatedly used.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a waterproof moulded case battery box that can reuse which characterized in that: comprises a box body inner container (3) for assembly and protection, a box body outer shell (4), a box cover (1) for sealing and a breather valve (2) for pressure relief, the box body inner container (3) is arranged in the box body outer shell (4), a matching groove (8) is arranged between the box body inner container (3) and the box body outer shell (4), the box cover (1) is arranged at the upper end of the box body inner container (3), an open slot (5) is arranged between the box body inner container (3) and the box cover (1), a sealing strip (6) is arranged in the open slot (5), a boss (7) is arranged at the position of the lower end face of the box cover (1) corresponding to the open slot (5), install case lid (1) upper end breather valve (2), be provided with the installation on case lid (1) the valve body installing port (9) of breather valve (2).

2. The reusable waterproof plastic case battery box according to claim 1, characterized in that: the box cover (1), the valve body mounting opening (9) and the boss (7) are integrally formed.

3. The reusable waterproof plastic case battery box according to claim 1, characterized in that: breather valve (2) pass through threaded connection case lid (1), case lid (1) passes through bolted connection box inner bag (3).

4. The reusable waterproof plastic case battery box according to claim 1, characterized in that: the box body inner container (3) is connected with the box body outer shell (4) in a sliding mode, and the open groove (5) is integrally formed in the box body inner container (3).

5. The reusable waterproof plastic case battery box according to claim 1, characterized in that: the box cover (1), the box body inner container (3) and the box body outer shell (4) are all made of polypropylene flame-retardant plastics.