CN212461790U

CN212461790U - Sealing structure for lithium ion battery system

Info

Publication number: CN212461790U
Application number: CN202021570297.2U
Authority: CN
Inventors: 倪振勇; 李用成; 贺志国; 刘伟汉; 张奎博; 周子富; 叶茂
Original assignee: Liaoning Xingkong New Energy Development Co ltd
Current assignee: Liaoning Xingkong New Energy Development Co ltd
Priority date: 2020-08-01
Filing date: 2020-08-01
Publication date: 2021-02-02
Anticipated expiration: 2030-08-01

Abstract

The utility model relates to the technical field of battery protection, and discloses a sealing structure for a lithium ion battery system, wherein an additional cover is clamped at the upper end and the lower end of a shell, a battery pack is fixedly connected with the inner part of the additional cover and the shell, a mounting groove is arranged on the surface of the battery pack, a meshing seat is fixedly connected with the inner part of the mounting groove, a tooth socket is arranged inside the meshing seat, the inner thread of the tooth socket is connected with a screw, through holes are arranged inside the additional cover and the shell, the additional cover is sleeved at the tail end of the shell through a reversed-V-shaped sealing card, the tail end of the additional cover is sleeved on the surface of the reversed-V-shaped sealing card, and the additional cover is connected to the inside of the meshing seat through the through holes by screw splicing, thereby achieving the purpose of using a reversed-V-shaped three-layer structure in the design sealing structure of, the sealing performance of the product is ensured.

Description

Sealing structure for lithium ion battery system

Technical Field

The utility model relates to a battery protection technical field specifically is a seal structure that can be used to lithium ion battery system.

Background

The battery is a device for directly converting chemical energy contained in substances into electric energy, and with the breakthrough of partial basic research on theory, the development of novel electrode materials and the development of various electric appliances are different day by day, and the battery technology enters a brand-new development period.

The waterproof and dustproof grade is very important for a battery system, and the sealing structure of the conventional lithium ion battery system is easy to age parts after being used for a period of time due to poor sealing property in the use process, so that the battery is easy to be short-circuited after meeting water, the service life of a product is influenced, and even safety accidents avoided by the department are caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a seal structure that can be used to lithium ion battery system possesses and provides the extrusion force to seal structure, ensures product sealing performance's advantage, and the seal structure of having solved current lithium ion battery system is because the leakproofness is relatively poor in the use, and the part is ageing to appear easily after using a period to meet the problem that causes the battery short circuit more easily behind the water.

(II) technical scheme

For realize above-mentioned provide the extrusion force to seal structure, ensure product sealing performance's purpose, the utility model provides a following technical scheme: the utility model provides a seal structure that can be used to lithium ion battery system, includes installs the lid additional, install the lid joint at the upper and lower both ends of casing additional, install the surface of lid additional and seted up the screw groove, the terminal fixedly connected with peg graft pole of casing, the terminal and seted up the angle groove in the left and right sides of peg graft pole of casing, install the inside fixedly connected with battery package of lid and casing additional, the mounting groove has been seted up on the surface of battery package, the inside fixedly connected with meshing seat of mounting groove, the tooth's socket has been seted up to the inside of meshing seat, the inside threaded connection of tooth's socket has the screw, install the through hole additional inside of lid and casing all seted up, the end of installing the lid additional cup joints the surface at the sealed card of nearly font, the sealed card of nearly font cup joints the top surface at the casing, the right side surface threaded connection of screw is.

Preferably, install additional to cover has two, and the joint is in the top and the bottom of casing respectively, and installs the terminal inside of lid additional and offer the groove that cup joints the sealed card of nearly font, furthest has strengthened the controllability to whole device, has guaranteed whole device's practicality.

Preferably, both ends about the surface at the battery package are seted up to the mounting groove, all are equidistant distribution between per two mounting grooves, and the effectual stability of having strengthened each component has strengthened the support dynamics to the sleeper simultaneously.

Preferably, the appearance after installing additional lid and casing combination all is the square with the outward appearance of battery package, and the size of battery package is less than the size after installing additional lid and casing combination, better enhancement the flexibility of whole device, improved the use impression.

Preferably, the terminal of casing is seted up the mounting groove of the sealed card of joint several font, and the bellied grafting pole of the middle fixedly connected with of two mounting grooves, the effectual result of use that has strengthened integrated device has increased the convenience of use.

Preferably, the through holes are divided into three parts, the head part and the tail part are arranged at the tail end of the additional cover, the middle part is arranged in the middle of the insertion rod at the tail end of the shell, the through holes of the three parts are distributed in the same horizontal line, the use of the whole device is better protected from being influenced, and the convenience in operating the whole device is enhanced.

Preferably, the length of screw is greater than the thickness of installing the lid additional, and the terminal bottom that extends into the meshing seat of screw, better reinforcing the equilibrium of whole device, the effectual flexibility of using that has strengthened whole device.

(III) advantageous effects

Compared with the prior art, the utility model provides a can be used to lithium ion battery system's seal structure possesses following beneficial effect:

1. this can be used to lithium ion battery system's seal structure clamps on the top and the bottom of casing through installing the lid additional, installs the lid additional and protects the battery package with the casing inside, sets up the mounting groove through the surface at the battery package again to reached inside and used blind hole structure, prevented that the hydrone from passing through the inside effect of osmosis admission battery package.

2. This can be used to lithium ion battery system's seal structure cup joints the end at the casing through the sealed card of several fonts, and the end of installing the lid additional cup joints the surface at the sealed card of several fonts, and the inside through hole threaded connection to meshing seat is pegged graft to the rethread screw to reached and used "several" word three layer construction in battery package design seal structure, the outside is fixed using the bolt, provides the extrusion force to seal structure, guarantees product sealing performance's effect.

Drawings

FIG. 1 is a schematic view of the overall appearance structure of the present invention;

fig. 2 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

In the figure: 1-additional cover, 2-shell, 3-battery pack, 4-mounting groove, 5-engagement seat, 6-tooth groove, 7-inverted V-shaped sealing card, 8-through hole, 9-screw, 10-plug rod, 11-angle groove and 12-screw groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-2, a sealing structure for a lithium ion battery system comprises two additional covers 1, the two additional covers 1 are respectively clamped at the top end and the bottom end of a housing 2, a groove for sleeving a sealing clip 7 shaped like a Chinese character ji is arranged in the tail end of the additional cover 1, the additional covers 1 are clamped at the upper end and the lower end of the housing 2, a screw groove 12 is arranged on the surface of the additional cover 1, an inserting rod 10 is fixedly connected with the tail end of the housing 2, corner grooves 11 are arranged at the left side and the right side of the inserting rod 10 at the tail end of the housing 2, the appearance of the combined additional cover 1 and the housing 2 is square with the appearance of a battery pack 3, the size of the battery pack 3 is smaller than that of the combined additional cover 1 and the housing 2, the battery pack 3 is fixedly connected with the inner parts of the additional cover 1 and the housing 2, a mounting groove 4 is arranged on the surface of the battery pack 3, and the mounting groove 4 is arranged at the upper end, equal interval distribution all is between per two mounting grooves 4, the inside fixedly connected with meshing seat 5 of mounting groove 4, tooth's socket 6 has been seted up to the inside of meshing seat 5, the inside threaded connection of tooth's socket 6 has screw 9, screw 9's length is greater than the thickness of installing lid 1 additional, and screw 9's terminal extends the bottom that gets into meshing seat 5, install lid 1 additional and casing 2's inside all seted up through hole 8, through hole 8 has the triplex, head and the tail two parts are seted up and are being installed the end of lid 1 additional, the middle part is separately established in the middle of the terminal peg graft pole 10 of casing 2, and the through hole 8 of triplex all is same horizontal line distribution, the end of installing lid 1 additional cup joints the surface at nearly font sealing card 7, nearly font sealing card 7 cup joints the top surface at casing 2, the right side surface threaded connection of screw 9 is in the inside of through hole 8.

The working principle is as follows: when the battery pack is used, different components are spliced by a worker, the tail ends of two additional covers 1 are respectively clamped at the upper tail end and the lower tail end of a shell 2, a battery pack 3 is installed and protected in the additional covers 1 and the shell 2, when the clamping is carried out, firstly, the inverted V-shaped sealing card 7 is sleeved on the surface of an inserting rod 10 protruding at the tail end of the shell 2, after the firm sleeving is determined, then, the tail end groove of the additional cover 1 is correspondingly sleeved on the surface of the inverted V-shaped sealing card 7, an inserting hole with the same size as the through hole 8 is also formed in the middle of the surface of the inverted V-shaped sealing card 7, the firm sleeving is determined, three parts of the through holes 8 are kept on the same horizontal line, then, a screw 9 is inserted in the through hole 8 and extends to the inside of an engagement seat 5 fixedly connected in the installation groove 4, so that the tail end of the screw 9 is firmly connected with 6 threads of an internal tooth socket of the, then the utility model can be put into use formally.

In conclusion, this can be used to lithium ion battery system's seal structure, clamp the top and the bottom at casing 2 through installing lid 1 additional, install lid 1 additional and casing 2 with battery package 3 protection in inside, again through seting up mounting groove 4 on battery package 3's surface, thereby reached inside and used the blind hole structure, prevent that the hydrone from getting into the inside effect of battery package 3 through the osmosis, and cup joint at the end of casing 2 through the sealed card 7 of nearly font, the end of installing lid 1 additional cup joints the surface at the sealed card 7 of nearly font, rethread 9 pegs graft through the inside of 8 threaded connection of through hole to engagement seat 5, thereby reached and used "nearly" font three layer construction in battery package 3 design seal structure, the outside uses the bolt to fix, provide the extrusion force to seal structure, guarantee product sealing performance's effect.

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 sealing structure applicable to a lithium ion battery system comprises an installing cover (1), and is characterized in that: the battery pack is characterized in that the additional cover (1) is clamped at the upper end and the lower end of the shell (2), a screw groove (12) is formed in the surface of the additional cover (1), an insertion rod (10) is fixedly connected to the tail end of the shell (2), angle grooves (11) are formed in the tail end of the shell (2) and the left side and the right side of the insertion rod (10), a battery pack (3) is fixedly connected to the interiors of the additional cover (1) and the shell (2), a mounting groove (4) is formed in the surface of the battery pack (3), an engagement seat (5) is fixedly connected to the interior of the mounting groove (4), a tooth groove (6) is formed in the interior of the engagement seat (5), a screw (9) is connected to the interior of the tooth groove (6), through holes (8) are formed in the interiors of the additional cover (1) and the shell (2), and the tail end of the additional cover (1) is sleeved on the surface of a sealing card, the n-shaped sealing card (7) is sleeved on the top end surface of the shell (2), and the right side surface of the screw (9) is in threaded connection with the inside of the through hole (8).

2. The sealing structure usable in a lithium ion battery system according to claim 1, wherein: install additional lid (1) have two, joint respectively in the top and the bottom of casing (2), and install the end inside of lid (1) additional and offer the groove that cup joints sealed card of a few font (7).

3. The sealing structure usable in a lithium ion battery system according to claim 1, wherein: the mounting grooves (4) are arranged at the upper end and the lower end of the surface of the battery pack (3), and are distributed at equal intervals between every two mounting grooves (4).

4. The sealing structure usable in a lithium ion battery system according to claim 1, wherein: appearance after installing lid (1) and casing (2) combination additional all is the square with the outward appearance of battery package (3), and the size of battery package (3) is less than the size after installing lid (1) and casing (2) combination additional.

5. The sealing structure usable in a lithium ion battery system according to claim 1, wherein: the through holes (8) are divided into three parts, the head part and the tail part are arranged at the tail end of the additional cover (1), the middle part is arranged in the middle of the insertion rod (10) at the tail end of the shell (2), and the through holes (8) of the three parts are all distributed in the same horizontal line.

6. The sealing structure usable in a lithium ion battery system according to claim 1, wherein: the length of the screw (9) is larger than the thickness of the additional cover (1), and the tail end of the screw (9) extends into the bottom end of the meshing seat (5).