CN215896578U

CN215896578U - Lithium battery with composite structure

Info

Publication number: CN215896578U
Application number: CN202121923033.5U
Authority: CN
Inventors: 张宇诺; 田浩然; 单盛泽
Original assignee: Suzhou Xianzhiyi E Commerce Co ltd
Current assignee: Suzhou Xianzhiyi E Commerce Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-02-22
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a lithium battery with a composite structure, which relates to the technical field of lithium batteries and comprises a lithium battery body, a shell, a damping component and a protection component, wherein the damping component is arranged in the shell, the protection component is arranged on the shell, the lithium battery body is positioned in the shell, the damping component comprises a damping spring, a movable pipe and a movable block, and the protection component comprises a protection cover, a sliding box, a reset spring and a clamping block. According to the lithium battery with the composite structure, the mounting plate is arranged, the movable block connected with the connecting column is arranged below the mounting plate, the movable block moves up and down in the movable tube, when vibration occurs, the movable block moves in the movable tube, the mounting plate above the movable block downwards extrudes the damping spring below the movable tube, the damping spring generates elastic force to reduce vibration force, and the lithium battery on the mounting plate is protected to be more stable.

Description

Lithium battery with composite structure

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a lithium battery with a composite structure.

Background

Lithium batteries are batteries which use non-aqueous electrolyte solution and are made of lithium metal or lithium alloy as positive and negative electrode materials, and can be roughly divided into two types, namely lithium metal batteries and lithium ion batteries, wherein the lithium ion batteries do not contain metallic lithium and can be charged, and the lithium batteries generally have two structures, namely cylindrical and square.

Lithium ion batteries possess many different characteristics compared to other types of batteries. However, commercial lithium batteries have been increasingly unable to meet the increasing demand due to their relatively low capacity and rate capability. Therefore, how to find an electrode material that can replace a commercial lithium battery becomes a hot spot of academia. Among them, the idea of using the nanocomposite material to replace graphite as an electrode material of a lithium battery has received much attention from academia. The reason is that the nanoscale three-dimensional composite structure has good specific surface area, good strain regulation capacity and capability of providing a shorter lithium ion diffusion path. These potential mechanical and electrochemical properties make nanocomposite materials an ideal choice for lithium battery electrode materials.

The lithium battery with the composite structure in the prior art does not protect the electrodes of the lithium battery, when the lithium battery works, the electrodes can be worn outside, the service life of the electrodes is greatly shortened, the protection of the lithium battery is not perfect enough, and the lithium battery is easily influenced by external vibration.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a lithium battery with a composite structure, which can effectively solve the problems that the service life of an electrode is greatly shortened due to the fact that the electrode is worn outside in the background technology, the protection of the lithium battery is not perfect enough, and the lithium battery is easily influenced by external vibration.

In order to solve the technical problems, the utility model is realized by the following technical scheme: a lithium battery with a composite structure comprises a lithium battery body, a shell, a damping component and a protection component, wherein the damping component is arranged inside the shell, the protection component is arranged on the shell, and the lithium battery body is positioned inside the shell;

the damping assembly comprises damping springs, movable pipes and movable blocks, a mounting plate is arranged inside the shell, four damping springs are arranged between the mounting plate and the bottom in the shell, four connecting columns are arranged below the mounting plate, one corner of each connecting column is adjacent to the mounting plate, a movable block is arranged below each connecting column, each movable block is movably arranged inside one movable pipe, each movable pipe is arranged at the bottom in the shell, the movable blocks move up and down in the movable pipes, the mounting plate above the movable pipes extrudes the damping springs below the movable pipes, and the damping springs generate elastic force to reduce vibration force;

the protective assembly includes protective cover, slip box, reset spring and fixture block, the protective cover is equipped with two, two the protective cover is located the central point of shell and puts, every the protective cover both sides respectively are equipped with a slip box, every the inside reset spring that is equipped with of slip box, every the fixture block passes through slip assembly and reset spring is connected, every the protective cover is close to the both sides of slip box and is equipped with the draw-in groove, every the fixture block is worn to establish in the draw-in groove, protects through the protective cover, fixes through the fixture block.

Preferably, lithium cell body top and bottom are equipped with the electrode respectively, the electrode runs through the shell and locates inside the protective cover, and the electrode is covered by the protective cover and is protected.

Preferably, a transparent window and an interface are arranged on one side of the shell, and the interface is positioned above the transparent window.

Preferably, the sliding assembly comprises a sliding block and a pulling block, one side of the return spring is provided with the sliding block, the sliding block is movably arranged inside the sliding box, one pulling block is arranged above the sliding block, one side of the pulling block is fixedly connected with the clamping block, the clamping block is pulled by the pulling block to move, the sliding block slides in the sliding box, and when no external force exists, the return spring enables the clamping block to return to the original position.

Preferably, one side that the transparent window was kept away from to the shell is equipped with two flutings and two dustproof filter screens, dustproof filter screen corresponds with the fluting position.

Preferably, two sides of the shell are respectively provided with two ventilation openings, each ventilation opening is internally and obliquely provided with a plurality of dust blocking blocks, the inclination direction of each ventilation opening is that the ventilation openings are inclined downwards from the top to the bottom of the shell, and the inclined dust blocking blocks block dust from entering the interior of the shell.

Preferably, the cross section of the ventilation opening is of a rectangular structure, and the dust blocking block is of a cuboid structure.

The utility model has the following beneficial effects:

1. according to the utility model, the mounting plate is arranged, the movable block connected with the connecting column is arranged below the mounting plate, the movable block moves up and down in the movable pipe, when vibration occurs, the upper mounting plate downwards extrudes the lower damping spring through the movement of the movable block in the movable pipe, the damping spring generates elastic force to reduce vibration force, and the lithium battery on the mounting plate is protected to be more stable.

2. The electrode is protected by the protective cover, when the electrode fixing device works, the protective cover is completely fixed by clamping the clamping block into the clamping groove through the sliding assembly, so that the protective cover cannot be easily taken down, the safety of the electrode is ensured, and the service life of the electrode is prolonged.

Drawings

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

Fig. 1 is a schematic view of an overall structure of a lithium battery of a composite structure according to the present invention;

FIG. 2 is a schematic diagram of a front view of a lithium battery of composite construction according to the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is a cross-sectional view taken at B-B of FIG. 2 in accordance with the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1 at C.

In the drawings, the components represented by the respective reference numerals are listed below:

110. a lithium battery body; 120. a housing; 130. an electrode; 140. a transparent window; 150. an interface; 210. a damping spring; 220. a movable tube; 230. a movable block; 240. mounting a plate; 250. connecting columns; 310. a protective cover; 320. a slide cassette; 330. a return spring; 340. a clamping block; 350. a card slot; 410. a slider; 420. pulling the block; 510. a dustproof filter screen; 520. a vent; 530. and a dust blocking block.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the present invention is a lithium battery with a composite structure, which includes a lithium battery body 110, a housing 120, a shock-absorbing component disposed inside the housing 120, and a protection component disposed on the housing 120, wherein the lithium battery body 110 is disposed inside the housing 120;

the shock absorption assembly comprises shock absorption springs 210, movable pipes 220 and movable blocks 230, a mounting plate 240 is arranged inside the shell 120, four shock absorption springs 210 are arranged between the mounting plate 240 and the bottom inside the shell 120, four connecting columns 250 are arranged below the mounting plate 240, each connecting column 250 is adjacent to one corner of the mounting plate 240, a movable block 230 is arranged below each connecting column 250, each movable block 230 is movably arranged inside one movable pipe 220, each movable pipe 220 is arranged at the bottom inside the shell 120, the movable blocks 230 move up and down in the movable pipes 220, the upper mounting plate 240 extrudes the lower shock absorption springs 210, and the shock absorption springs 210 generate elastic force to reduce vibration force;

the protection assembly comprises two protection covers 310, a sliding box 320, a return spring 330 and two clamping blocks 340, the two protection covers 310 are located at the central position of the shell 120, two sides of each protection cover 310 are respectively provided with one sliding box 320, each sliding box 320 is internally provided with one return spring 330, each clamping block 340 is connected with the return spring 330 through the sliding assembly, clamping grooves 350 are formed in two sides, close to the sliding box 320, of each protection cover 310, each clamping block 340 penetrates through the clamping grooves 350, protection is performed through the protection covers 310, and fixation is performed through the clamping blocks 340.

The lithium battery body 110 is provided with electrodes 130 at the top and bottom thereof, respectively, the electrodes 130 are disposed inside the protective cover 310 through the casing 120, and the electrodes 130 are covered by the protective cover 310 for protection.

A transparent window 140 and an interface 150 are disposed on one side of the housing 120, and the interface 150 is disposed above the transparent window 140.

The sliding assembly comprises a sliding block 410 and a pulling block 420, one side of each return spring 330 is provided with the sliding block 410, the sliding block 410 is movably arranged in the sliding box 320, one pulling block 420 is arranged above each sliding block 410, one side of each pulling block 420 is fixedly connected with the fixture block 340, the fixture block 340 is pulled by the pulling block 420 to move, the sliding block 410 slides in the sliding box 320, and when no external force exists, the return spring 330 enables the fixture block 340 to return to the original position.

One side of the housing 120 away from the transparent window 140 is provided with two slots and two dustproof filter screens 510, and the dustproof filter screens 510 correspond to the slots.

Two ventilation openings 520 are respectively arranged at two sides of the shell 120, a plurality of dust blocking blocks 530 are obliquely arranged in each ventilation opening 520, the oblique direction is that the dust blocking blocks 530 are obliquely inclined downwards from the top to the bottom of the shell 120, and the oblique dust blocking blocks 530 block dust from entering the shell 120.

The cross section of the ventilation opening 520 is a rectangular structure, and the dust blocking block 530 is a rectangular parallelepiped structure.

When the lithium battery is used by a person, the lithium battery body 110 is installed on the installation plate 240, the movable block 230 connected with the connection column 250 is arranged below the installation plate 240, the movable block 230 moves up and down in the movable tube 220, when vibration occurs, the movable block 230 moves in the movable tube 220, the installation plate 240 above the movable block extrudes the damping spring 210 below the movable block, the damping spring 210 generates elastic force to reduce vibration force, the inclined dust blocking block 530 blocks dust from entering the shell 120, the clamping block 340 is pulled through the pulling block 420 firstly, the protective cover 310 is arranged on the electrode 130, the pulling block 420 is loosened, the clamping block 340 is clamped into the clamping groove 350 under the action of the reset spring 330, and the protective cover 310 is fixed completely.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. 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. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The lithium battery with the composite structure is characterized by comprising a lithium battery body (110), a shell (120), a shock absorption component arranged inside the shell (120) and a protection component arranged on the shell (120), wherein the lithium battery body (110) is positioned inside the shell (120);

the shock absorption assembly comprises shock absorption springs (210), movable pipes (220) and movable blocks (230), a mounting plate (240) is arranged inside the shell (120), four shock absorption springs (210) are arranged between the mounting plate (240) and the bottom in the shell (120), four connecting columns (250) are arranged below the mounting plate (240), each connecting column (250) is adjacent to one corner of the mounting plate (240), one movable block (230) is arranged below each connecting column (250), each movable block (230) is movably arranged inside one movable pipe (220), and each movable pipe (220) is arranged at the bottom in the shell (120);

the protection component includes protective cover (310), slip box (320), reset spring (330) and fixture block (340), protective cover (310) is equipped with two, two protective cover (310) is located the central point of shell (120) and puts, every protective cover (310) both sides respectively are equipped with one and slide box (320), every slide box (320) inside be equipped with one reset spring (330), every fixture block (340) are connected with reset spring (330) through the slip component, every protective cover (310) are close to the both sides of sliding box (320) and are equipped with draw-in groove (350), every fixture block (340) are worn to establish in draw-in groove (350).

2. A lithium battery of composite construction according to claim 1, characterized in that: the lithium battery comprises a lithium battery body (110), wherein electrodes (130) are respectively arranged at the top and the bottom of the lithium battery body (110), and the electrodes (130) penetrate through a shell (120) and are arranged inside a protective cover (310).

3. A lithium battery of composite construction according to claim 1, characterized in that: a transparent window (140) and an interface (150) are arranged on one side of the shell (120), and the interface (150) is positioned above the transparent window (140).

4. A lithium battery of composite construction according to claim 1, characterized in that: the sliding assembly comprises a sliding block (410) and a pulling block (420), wherein the sliding block (410) is arranged on one side of the return spring (330), the sliding block (410) is movably arranged inside the sliding box (320), the pulling block (420) is arranged above the sliding block (410), and one side of the pulling block (420) is fixedly connected with the clamping block (340).

5. A lithium battery of composite construction according to claim 3, characterized in that: one side that transparent window (140) was kept away from in shell (120) is equipped with two flutings and two dustproof filter screens (510), dustproof filter screen (510) correspond with the fluting position.

6. A lithium battery of composite construction according to claim 1, characterized in that: two sides of the shell (120) are respectively provided with two ventilation openings (520), each ventilation opening (520) is internally and obliquely provided with a plurality of dust blocking blocks (530), and the inclination direction is downwards inclined from the top to the bottom of the shell (120).

7. A lithium battery of composite construction according to claim 6, characterized in that: the cross section of the ventilation opening (520) is of a rectangular structure, and the dust blocking block (530) is of a cuboid structure.