CN220209154U

CN220209154U - All-solid-state lithium battery structure

Info

Publication number: CN220209154U
Application number: CN202321589104.1U
Authority: CN
Inventors: 苗智超; 李忠遇; 李会巧
Original assignee: Jiangsu Qiaowei New Energy Research Institute Co ltd
Current assignee: Jiangsu Qiaowei New Energy Research Institute Co ltd
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2023-12-19
Anticipated expiration: 2033-06-21

Abstract

The utility model relates to an all-solid-state lithium battery structure, which comprises two shells, wherein connecting assemblies are arranged on the shells, buffer assemblies are arranged on the inner sides of the shells, electric cores are arranged on the inner sides of the shells, each connecting assembly comprises a strip block, one end of each strip block is fixedly connected with the outer side of the corresponding shell, a connecting frame is connected with the outer side of each strip block in a sliding mode, a supporting frame is fixedly connected with the outer side of each connecting frame, and a limiting rod, one end of each limiting rod penetrates through the supporting frame and the connecting frame in sequence and extends to the inner part of each strip block, is connected with the outer side of each supporting frame in a sliding mode. This all solid-state lithium battery structure carries out spacing fixedly to the shell that divide into two, and grafting link to rectangular piece outside promptly, extrudees the gag lever post to rectangular piece inside, can fix rectangular piece and shell, and pulling gag lever post and rectangular piece separation on the contrary, take off the link and can tear two shells down, take out the electricity core and maintain or change to increase whole battery maintenance or change's convenience.

Description

All-solid-state lithium battery structure

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to an all-solid-state lithium battery structure.

Background

The term "all-solid-state lithium battery" is a lithium battery in which both the electrode and electrolyte materials used are solid in the operating temperature range and do not contain any liquid components. The all-solid-state lithium battery has the advantages of high safety, low cost, high-temperature charge and discharge capability, long cycle life, quick charge, long endurance and the like, and is the first choice in the future energy field.

The present all-solid-state lithium battery in the market comprises a battery cell and a shell wrapped outside the battery cell, such as the utility model with the bulletin number of CN218769897U, and the disclosed all-solid-state lithium battery structure comprises: a battery cell; the shell is internally provided with a cavity, and the battery cell is arranged in the cavity; the vibration reduction assembly comprises a first buffer plate, a second buffer plate and a plurality of third buffer plates, wherein the first buffer plate and the second buffer plate are respectively arranged at the top end and the bottom end of the battery cell, the third buffer plates are uniformly arranged along the circumference of the battery cell, resistance is generated through the vibration reduction assembly, and the outer wall of the battery cell is prevented from colliding with the inner wall of the shell. Therefore, the all-solid-state lithium battery structure provided by the utility model can effectively reduce the collision between the outer wall of the battery cell and the inner wall of the shell, and can effectively prolong the service life of the battery cell.

However, in the application, if a fault occurs in the whole battery cell, an operator cannot conveniently and quickly disassemble and assemble the top cover and the cavity, so that the convenience in maintenance and replacement of the battery cell is reduced, and the whole solid-state lithium battery structure is provided to solve the problem.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an all-solid-state lithium battery structure which has the advantages of more convenience in replacement and maintenance and the like, and solves the problem of insufficient convenience in replacement and maintenance.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the all-solid-state lithium battery structure comprises two shells, wherein connecting components are arranged on the shells, buffer components are arranged on the inner sides of the shells, and electric cores are arranged on the inner sides of the shells;

the connecting assembly comprises a strip block with one end fixedly connected with the outer side of the shell, a connecting frame is slidably connected to the outer side of the strip block, a supporting frame is fixedly connected to the outer side of the connecting frame, one end of the outer side of the supporting frame penetrates through a limiting rod which penetrates through the supporting frame and the connecting frame in sequence and extends to the inner side of the strip block, a stop block which is located on the inner side of the supporting frame is fixedly connected to the outer side of the limiting rod, and a connecting spring is fixedly connected between the stop block and the inner side of the supporting frame.

Further, the number of the long strip blocks is four, and the four long strip blocks are symmetrically distributed on the two shells in a group of two front and rear.

Further, the outside of rectangular piece has offered the spacing groove that is located the gag lever post outside, the one end that the gag lever post is located the spacing groove inboard is the slope form.

Further, both sides all have seted up the louvre around the shell, the inboard fixedly connected with dust screen of louvre.

Further, the buffer assembly comprises a supporting plate with one end in sliding connection with the inner side of the shell, a side plate is in sliding connection with the inner side of the shell, one side, close to the shell, of the side plate and the supporting plate is fixedly connected with a supporting rod with one end penetrating through the shell, and a buffer spring is fixedly connected between one side, close to the shell, of the side plate and the supporting plate and the inner side of the shell.

Further, the number of the supporting plates is four, the four supporting plates are symmetrically distributed on the inner side of the shell in a group, and the inner side wall of the shell is provided with perforations positioned on the outer side of the supporting rod.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this all solid-state lithium battery structure carries out spacing fixedly through the cooperation of gag lever post and rectangular piece to the shell of bisection, and grafting link to rectangular piece outside promptly, extrudees the gag lever post to rectangular piece inside, can fix rectangular piece and shell, and pulling gag lever post and rectangular piece separation on the contrary, take off the link and can tear two shells open, take out the electricity core and maintain or change to increase whole battery maintenance or change's convenience.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

fig. 3 is a front cross-sectional view of the overall structure of the present utility model.

In the figure: 1 shell, 2 coupling assembling, 21 louvre, 22 dust screen, 23 rectangular pieces, 24 support frames, 25 gag lever post, 26 link, 27 link spring, 28 dog, 3 buffer assembly, 31 backup pad, 32 bracing piece, 33 buffer spring, 34 curb plate, 4 electric core.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, an all-solid-state lithium battery structure in this embodiment includes two housings 1, a connection assembly 2 is disposed on the housing 1, a buffer assembly 3 is disposed on the inner side of the housing 1, and a battery cell 4 is disposed on the inner side of the housing 1.

The connecting assembly 2 comprises a strip block 23, one end of which is fixedly connected with the outer side of the shell 1, a connecting frame 26 is slidably connected to the outer side of the strip block 23, a supporting frame 24 is fixedly connected to the outer side of the connecting frame 26, one end of the outer side of the supporting frame 24 penetrates through a limiting rod 25 which sequentially penetrates through the supporting frame 24 and the connecting frame 26 and extends to the inner side of the strip block 23, a stop block 28 which is positioned on the inner side of the supporting frame 24 is fixedly connected to the outer side of the limiting rod 25, and a connecting spring 27 is fixedly connected between the stop block 28 and the inner side of the supporting frame 24.

In the present embodiment of the present utility model,

the number of the long strip blocks 23 is four, the four long strip blocks 23 are symmetrically distributed on the two shells 1 in a front-back mode in a group, the number of the connecting frames 26 is four, the four connecting frames 26 are symmetrically distributed on the long strip blocks 23 in a group, and the four long strip blocks 23 are limited and fixed through four connecting sections 26.

In addition, the outside of the long bar 23 is provided with a limit groove located at the outside of the limit rod 25, and one end of the limit rod 25 located at the inside of the limit groove is inclined, so that when the connecting frame 26 is inserted into the outside of the long bar 23, the inclined end of the limit rod 25 can be driven to be extruded into the limit groove.

Secondly, the front side and the rear side of the shell 1 are provided with radiating holes 21, the inner sides of the radiating holes 21 are fixedly connected with dustproof nets 22, the number of the radiating holes 21 is a plurality of, and the electric core 4 on the inner side of the shell 1 is radiated through the plurality of radiating holes 21.

Referring to fig. 1 or 3, in the present embodiment, the buffer assembly 3 includes a support plate 31 with one end slidably connected to the inner side of the housing 1, a side plate 34 slidably connected to the inner side of the housing 1, a support rod 32 with one end penetrating through the housing 1 is fixedly connected to one side of the side plate 34 and the support plate 31, which is close to the housing 1, and a buffer spring 33 is fixedly connected between one side of the side plate 34 and the support plate 31, which is close to the housing 1, and the inner side of the housing 1.

In the present embodiment, the support plate 31 or the side plate 34 pressed can press the support rod 32 to slide on the housing 1, so that the buffer spring 33 is pressed to buffer the battery cell 4.

The four support plates 31 are symmetrically distributed on the inner side of the housing 1 in pairs, the inner side wall of the housing 1 is provided with perforations on the outer side of the support rods 32, and damping paint is coated on the inner side of the perforations.

The working principle of the embodiment is as follows:

namely, the connecting frame 26 is inserted into the outer side of the strip block 23, the limiting rod 25 is extruded into the limiting groove on the strip block 23, the connecting frame 26 can be fixed on the strip block 23, the strip block 23 limits and fixes the two-in-one shells 1, otherwise, the limiting rod 25 is pulled to be separated from the strip block 23, the connecting frame 26 is taken down, the two shells 1 can be removed, the battery cell 4 is taken out for maintenance or replacement, so that the convenience of maintenance or replacement of the whole battery is improved, when the battery cell 4 is in use, if vibration occurs, the supporting plate 31 or the side plate 34 is extruded, the supporting plate 31 and the side plate 34 extrude the supporting rod 32 to slide on the shells 1, and the buffer spring 33 is extruded to buffer the battery cell 4.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. An all-solid-state lithium battery structure comprising a number of two housings (1), characterized in that: the battery pack is characterized in that a connecting component (2) is arranged on the shell (1), a buffer component (3) is arranged on the inner side of the shell (1), and a battery cell (4) is arranged on the inner side of the shell (1);

coupling assembling (2) are including rectangular piece (23) of one end and the outside fixed connection of shell (1), the outside sliding connection of rectangular piece (23) has link (26), the outside fixedly connected with support frame (24) of link (26), the outside sliding connection of support frame (24) has one end to run through support frame (24) and link (26) in proper order and extend to inside gag lever post (25) of rectangular piece (23), the outside fixedly connected with of gag lever post (25) is located dog (28) of support frame (24), fixedly connected with coupling spring (27) between the inboard of dog (28) and support frame (24).

2. An all-solid-state lithium battery structure according to claim 1, wherein: the number of the long strips (23) is four, and the four long strips (23) are symmetrically distributed on the two shells (1) in a group of two-to-one mode.

3. An all-solid-state lithium battery structure according to claim 1, wherein: the outside of rectangular piece (23) has seted up the spacing groove that is located the gag lever post (25) outside, the one end that gag lever post (25) are located the spacing inslot is the slope form.

4. An all-solid-state lithium battery structure according to claim 1, wherein: the shell (1) is characterized in that radiating holes (21) are formed in the front side and the rear side of the shell, and a dust screen (22) is fixedly connected to the inner side of each radiating hole (21).

5. An all-solid-state lithium battery structure according to claim 1, wherein: the buffer assembly (3) comprises a supporting plate (31) with one end in sliding connection with the inner side of the shell (1), a side plate (34) is connected with the inner side of the shell (1) in a sliding manner, one side, close to the shell (1), of the side plate (34) and the supporting plate (31) is fixedly connected with a supporting rod (32) with one end penetrating through the shell (1), and a buffer spring (33) is fixedly connected between one side, close to the shell (1), of the side plate (34) and the supporting plate (31) and the inner side of the shell (1).

6. An all-solid-state lithium battery structure according to claim 5, wherein: the number of the supporting plates (31) is four, the four supporting plates (31) are symmetrically distributed on the inner side of the shell (1) in a group, and the inner side wall of the shell (1) is provided with perforations positioned on the outer side of the supporting rods (32).