CN219350474U

CN219350474U - Extrusion device for preventing lithium battery core from swelling

Info

Publication number: CN219350474U
Application number: CN202320114282.2U
Authority: CN
Inventors: 陈兴波
Original assignee: Shenzhen Xianghao Industry Co ltd
Current assignee: Shenzhen Xianghao Industry Co ltd
Priority date: 2023-01-16
Filing date: 2023-01-16
Publication date: 2023-07-14
Anticipated expiration: 2033-01-16

Abstract

The utility model discloses a bulge-preventing extrusion device for a lithium battery cell, which comprises a movable protection box, wherein a movable handle is arranged on the outer wall of the movable protection box, a control key is arranged below the movable handle, a rear driving wheel is arranged at the bottom of the movable protection box, a front driving wheel is arranged on one side of the rear driving wheel, a protection plate is arranged in the movable protection box, an installation frame is connected to the outer wall of the protection plate, a connecting plate is arranged between the installation frames, a fixed plate is arranged at the front end of the protection plate, a movable plate is arranged between the protection plate and the fixed plate, a lithium battery cell is arranged in the protection plate, and a fixed screw is connected to the outer wall of the fixed plate.

Description

Extrusion device for preventing lithium battery core from swelling

Technical Field

The utility model relates to the field of protection of lithium battery cells, in particular to an extrusion device for preventing the lithium battery cells from swelling.

Background

A lithium battery is a primary battery using a nonaqueous electrolyte solution with lithium metal or lithium alloy as a negative electrode material, unlike a rechargeable battery lithium ion battery and a lithium ion polymer battery. The inventor of lithium batteries is edison. The chemical characteristics of lithium metal are very active, so that the processing, storage and use of lithium metal have very high requirements on environment.

In the current battery pack, a gap exists between battery cells in the assembly process, and the battery can generate heat and expand in the use process.

In view of the above, the present utility model provides a device for preventing a battery core of a lithium battery from swelling and extruding, which has a reasonable structural design and is additionally provided with a locking structure, so as to fix the battery core of the battery pack in a squeezing manner, prevent the battery core from swelling during the use process of the battery pack, and prevent the service life of the battery core from shortening.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an anti-bulge extrusion device for a lithium battery cell.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a bulge extrusion device is prevented to lithium cell electricity core, including removing the guard box, install the removal handle on the outer wall of removing the guard box, the below of removing the handle is provided with control button, the rear wheel is installed to the bottom of removing the guard box, one side of rear wheel is provided with the front wheel, the internally mounted who removes the guard box has the protection shield, be connected with the mounting bracket on the outer wall of protection shield, be provided with the connecting plate between the mounting bracket, the front end of protection shield is provided with the fixed plate, install the fly leaf between protection shield and the fixed plate, the internally mounted of protection shield has the lithium cell electricity core, be connected with the fixed screw on the outer wall of fixed plate.

As a further description of the above technical solution:

the movable handles are fixedly arranged on the outer wall of the movable protection box, the number of the movable handles is two, the control keys are integrally connected to the outer wall of the movable protection box, and the number of the control keys is a plurality of.

As a further description of the above technical solution:

the front wheel is rotated and connected to the bottom of the movable protection box, the number of the front wheels is two, the number of the rear wheels is two, the protection plate is fixedly arranged in the movable protection box, and the size of the protection plate is smaller than that of the movable protection box.

As a further description of the above technical solution:

the installation frame is installed on the outer wall of the protection plate through the screw, the quantity of installation frame is two, the height of installation frame is greater than the height of protection plate, installation frame fixed mounting is in the inside of removing the guard box, the connecting plate passes through the screw and installs between the installation frame.

As a further description of the above technical solution:

the lithium battery cell is arranged in a row and distributed in the protection plate, the movable plate is movably connected between the protection plate and the fixed plate, the fixed plate is in threaded connection with the movable plate through fixing screws, the fixed plate is arranged in a plurality, and the fixing screws are arranged in a plurality.

The utility model has the following beneficial effects:

according to the utility model, the stability of the protection board can be maintained through the arrangement of the mounting frame, the battery core of the lithium battery can be blocked through the mounting of the connecting board, the battery core is prevented from falling, the fixing board and the screw hole are added, a movable board is added in the battery core, and when the screw is twisted, the screw pushes the movable board to press towards the battery core, so that the battery core is pressed. In the use process of the battery cell, the coefficient of heating expansion is reduced. Thereby increasing the service life of the battery cell.

By using the structure, the battery pack can be used more safely and has longer service life.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the anti-swelling extrusion device for the lithium battery cell;

fig. 2 is a schematic diagram of an internal structure of the anti-swelling extrusion device for a lithium battery cell according to the present utility model;

fig. 3 is a perspective view of the anti-swelling extrusion device for the battery cell of the lithium battery.

Legend description:

1. moving the protection box; 2. a moving handle; 3. a rear drive wheel; 4. a precursor wheel; 5. a control key; 6. a protective plate; 7. a mounting frame; 8. a connecting plate; 9. a fixing plate; 10. a set screw; 11. a lithium battery cell; 12. a movable plate.

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.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., are directions or positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, one embodiment provided by the present utility model is: the utility model provides a bulge extrusion device is prevented to lithium cell battery cell, including removing guard box 1, install on the outer wall of removing guard box 1 and remove handle 2, the below of removing handle 2 is provided with control button 5, the rear wheel 3 is installed to the bottom of removing guard box 1, one side of rear wheel 3 is provided with precursor wheel 4, the internally mounted of removing guard box 1 has protection shield 6, be connected with mounting bracket 7 on the outer wall of protection shield 6, be provided with connecting plate 8 between the mounting bracket 7, the front end of protection shield 6 is provided with fixed plate 9, install fly leaf 12 between protection shield 6 and the fixed plate 9, the internally mounted of protection shield 6 has lithium cell battery cell 11, be connected with set screw 10 on the outer wall of fixed plate 9.

In the utility model, the movable handles 2 are fixedly arranged on the outer wall of the movable protection box 1, the number of the movable handles 2 is two, the control keys 5 are integrally connected on the outer wall of the movable protection box 1, the number of the control keys 5 is a plurality, and the movable protection box 1 can be driven to move by the arrangement of the movable handles 2, so that the internal lithium battery cells 11 are driven to move.

Further, the front wheel 4 rotates to be connected in the bottom of removing the guard box 1, the quantity of front wheel 4 is two, the quantity of rear wheel 3 is two, protection shield 6 fixed mounting is in the inside of removing the guard box 1, the size of protection shield 6 is less than the size of removing the guard box 1, through the setting of front wheel 4, conveniently removes the removal of guard box 1, can turn to at will moreover, through the setting of rear wheel 3, conveniently remove removing the guard box 1, through the setting of protection shield 6, can protect the lithium cell 11 of inside.

Further, the mounting frame 7 is installed on the outer wall of the protection plate 6 through the screw, the quantity of the mounting frame 7 is two, the height of the mounting frame 7 is greater than the height of the protection plate 6, the mounting frame 7 is fixedly installed in the movable protection box 1, the connecting plates 8 are installed between the mounting frames 7 through the screw, the stability of the protection plate 6 can be kept through the setting of the mounting frame 7, and the lithium battery cell 11 can be blocked and prevented from falling through the installation of the connecting plates 8.

Further, the number of the lithium battery cells 11 is a plurality, the lithium battery cells 11 are distributed in rows in the protection plate 6, the movable plate 12 is movably connected between the protection plate 6 and the fixed plate 9, the fixed plate 9 is in threaded connection with the movable plate 12 through the fixed screws 10, the number of the fixed plate 9 is a plurality, and the number of the fixed screws 10 is a plurality.

Specifically, add fixed plate and screw hole, inside increase a fly leaf, when turning the screw, the screw pushes up the fly leaf to the extrusion of electric core direction to compress tightly the electric core. In the use process of the battery cell, the coefficient of heating expansion is reduced. Thereby increasing the service life of the battery cell.

Working principle and using flow: when a user moves the movable protection box 1, the movable handle 2 is directly pulled, so that the movable protection box 1 can be moved, and the rear drive wheel 3 is arranged; and the front wheel 4 is more convenient to move, so that the movable plate 12 is driven to move towards the interior of the protection plate 6 by the rotation of the fixed screw 10 by using the fixed screw 10 when the internal lithium battery cell 11 is fixed, and the cell is pressed.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Anti-bulge extrusion device for lithium battery cells, comprising a movable protection box (1), and characterized in that: install on the outer wall of removal guard box (1) and remove handle (2), the below of removal handle (2) is provided with control button (5), the rear-drive wheel (3) are installed to the bottom of removal guard box (1), one side of rear-drive wheel (3) is provided with precursor wheel (4), the internally mounted of removal guard box (1) has protection shield (6), be connected with mounting bracket (7) on the outer wall of protection shield (6), be provided with connecting plate (8) between mounting bracket (7), the front end of protection shield (6) is provided with fixed plate (9), install fly leaf (12) between protection shield (6) and the fixed plate (9), the internally mounted of protection shield (6) has lithium cell core (11), be connected with fixed screw (10) on the outer wall of fixed plate (9).

2. The lithium battery cell bulge-preventing extrusion device according to claim 1, wherein: the movable handles (2) are fixedly arranged on the outer wall of the movable protection box (1), the number of the movable handles (2) is two, the control keys (5) are integrally connected on the outer wall of the movable protection box (1), and the number of the control keys (5) is a plurality.

3. The lithium battery cell bulge-preventing extrusion device according to claim 1, wherein: the utility model discloses a movable protection box, including movable protection box (1), including protection shield, front wheel (4), back wheel (3), protection shield (6), front wheel (4) rotate connect in the bottom of movable protection box (1), the quantity of front wheel (4) is two, the quantity of back wheel (3) is two, protection shield (6) fixed mounting is in the inside of movable protection box (1), the size of protection shield (6) is less than the size of movable protection box (1).

4. The lithium battery cell bulge-preventing extrusion device according to claim 1, wherein: the utility model discloses a protection box, including protection board (6), mounting bracket (7), connecting plate (8), mounting bracket (7) are installed on the outer wall of protection board (6) through the screw, the quantity of mounting bracket (7) is two, the height that highly is greater than protection board (6) of mounting bracket (7), inside at removal guard box (1) of mounting bracket (7) fixed mounting, connecting plate (8) are installed between mounting bracket (7) through the screw.

5. The lithium battery cell bulge-preventing extrusion device according to claim 1, wherein: the lithium battery cell (11) quantity is a plurality of, lithium battery cell (11) are arranged in a row and are distributed in the inside of the protection plate (6), fly leaf (12) swing joint is between protection plate (6) and fixed plate (9), fixed plate (9) are through fixed screw (10) and fly leaf (12) threaded connection, the quantity of fixed plate (9) is a plurality of, the quantity of fixed screw (10) is a plurality of.