CN219917399U - Lithium battery FPC protection board - Google Patents

Abstract

The utility model relates to the field of lithium batteries and discloses a lithium battery FPC protection board, which comprises a first box body and a second box body, wherein a fixing frame is fixed on the first box body, a fixing mechanism for fixing the box bodies is arranged on the fixing frame, a clamping groove is formed in the second box body, the upper end of a mounting frame is fixed on the fixing frame, a threaded rod is rotationally connected to the mounting frame, the threaded rod rotates to penetrate through the fixing frame, a rotating disc is fixed at the upper end of the threaded rod, the lower end of the threaded rod is fixed on a connecting frame, extrusion rods are slidably connected to two sides of the connecting frame, the outer sides of the extrusion rods are fixed on the extrusion blocks, and a spring is positioned between the connecting frame and the extrusion blocks.

Description

Lithium battery FPC protection board

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a lithium battery FPC protection board.

Background

Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. 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. With the development of science and technology, lithium batteries have become the mainstream. When the lithium battery is used, the lithium battery needs to be protected by a protection plate.

The bulletin number is: the Chinese patent of CN216015551U discloses a lithium battery FPC protection board, which comprises a lithium battery body, the both sides of lithium battery body are equipped with the protection board body, be equipped with a set of symmetrical coupling mechanism between the protection board body, coupling mechanism includes fixed plate, connecting strip and extension spring, coupling mechanism's outside is equipped with protection mechanism, protection mechanism includes protection frame, draw-in groove and heat dissipation groove, and the symmetry be equipped with heat dissipation mechanism on the lateral wall of protection frame, heat dissipation mechanism includes radiator fan, fixed block, connecting plate, compression spring, fixture block and baffle ring.

This patent has the following drawbacks: the device is inconvenient to carry out fast assembly to the protection frame and fixes, influences the stability of this guard plate installation.

Accordingly, the present utility model is directed to a lithium battery FPC protective sheet that improves upon the above-described problems.

Disclosure of Invention

The utility model aims to provide a lithium battery FPC protection board, which solves the problems that the protection frame is inconvenient to quickly assemble and fix and the stability of the installation of the protection board is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lithium cell FPC protection shield, includes first box body and second box body, be fixed with the mount on the first box body, install the fixed establishment who fixes the box body on the mount, the draw-in groove has been seted up on the second box body.

The fixing mechanism comprises a mounting frame, a threaded rod, a rotating disc, a connecting frame, a limiting plate, a spring, a squeezing block and a squeezing rod, wherein the upper end of the mounting frame is fixed on a fixing frame, the threaded rod is connected to the mounting frame in a rotating mode, the threaded rod penetrates through the fixing frame in a rotating mode, the rotating disc is fixed at the upper end of the threaded rod, and the lower end of the threaded rod is fixed on the connecting frame.

The two sides of the connecting frame are slidably connected with extrusion rods, the outer sides of the extrusion rods are fixed on the extrusion blocks, the inner sides of the extrusion rods are fixed on the limiting plates, springs are sleeved on the peripheries of the extrusion rods, and the springs are located between the connecting frame and the extrusion blocks.

The extrusion block is trapezoid with a narrow upper part and a wide lower part and is clamped in the clamping groove.

Wherein, the inside of the installation frame is a trapezoid groove with narrow upper part and wide lower part.

Wherein, fixed establishment installs on the upper end and the both sides wall of first box body.

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

according to the utility model, the lithium battery body is arranged in the first box body, the second box body is arranged on the lithium battery body, the first box body is aligned with the second box body, the fixing mechanism is aligned with the clamping groove at the lower end, the rotating disc is rotated, the threaded rod drives the connecting frame to move downwards, the connecting frame moves towards the inside of the clamping groove, the spring drives the extrusion block to move outwards in the process of moving downwards, the rotating disc is stopped after the bottom end of the connecting frame contacts with the clamping groove, the extrusion block is clamped and fixed in the clamping groove, the device is simple in structure, convenient to operate, capable of efficiently and rapidly completing assembly work between the box bodies, capable of improving stability of connection between the first box body and the second box body, and worthy of popularization and use.

Drawings

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

FIG. 2 is a schematic view of the structure of the inside of the case of the present utility model;

FIG. 3 is an enlarged schematic view of the portion of FIG. 2A;

FIG. 4 is a schematic structural view of a cross-sectional view of the present utility model;

fig. 5 is an enlarged schematic view of the portion of fig. 4B.

In the figure: 1. a first case; 2. a second case; 3. a fixing frame; 4. a fixing mechanism; 41. a mounting frame; 42. a threaded rod; 43. a rotating disc; 44. a connection frame; 45. a limiting plate; 46. a spring; 47. extruding a block; 48. an extrusion rod; 5. a clamping groove.

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. 1-5, the present utility model provides a technical solution: the utility model provides a lithium cell FPC protection shield, including first box body 1 and second box body 2, be fixed with mount 3 on the first box body 1, install the fixed establishment 4 that fixes the box body on the mount 3, the draw-in groove 5 has been seted up on the second box body 2, install the lithium cell body in first box body 1, then install the second box body 2 on the lithium cell body, then align first box body 1 and second box body 2, fixed establishment 4 aligns draw-in groove 5 of lower extreme, then rotate fixed establishment 4, make its joint fix in draw-in groove 5, carry out the joint with first box body 1 and second box body 2 fixedly.

Wherein, fixed establishment 4 includes installing frame 41, threaded rod 42, rolling disc 43, connecting frame 44, limiting plate 45, spring 46, extrusion piece 47 and extrusion rod 48, and the upper end of installing frame 41 is fixed on mount 3, rotates on the installing frame 41 and is connected with threaded rod 42, and threaded rod 42 rotates and runs through mount 3, and the upper end is fixed with rolling disc 43, and the lower extreme of threaded rod 42 is fixed on connecting frame 44, rotates rolling disc 43 for threaded rod 42 drives connecting frame 44 and moves down, makes connecting frame 44 to the inside of draw-in groove 5 remove.

Wherein, the both sides sliding connection of connecting frame 44 has extrusion pole 48, the outside of extrusion pole 48 is fixed on extrusion piece 47, the inboard is fixed on limiting plate 45, the periphery cover of extrusion pole 48 has spring 46, spring 46 is located between connecting frame 44 and the extrusion piece 47, in the in-process that connecting frame 44 moved downwards, spring 46 drives extrusion piece 47 outside and removes, then after the bottom and the draw-in groove 5 contact of connecting frame 44, stop rotating disk 43, extrusion piece 47 joint is fixed in draw-in groove 5, can improve the stability of being connected between first box body 1 and the second box body 2.

Wherein, the extrusion piece 47 is trapezoidal with a narrow upper part and a wide lower part, and is clamped in the clamping groove 5, when the lower end of the connecting frame 44 is contacted with the clamping groove 5, the upper part of the extrusion piece 47 is positioned in the mounting frame 41, so that the extrusion piece 47 can be conveniently controlled to move up and down.

Wherein, the inner side of the mounting frame 41 is a trapezoid groove with a narrow upper part and a wide lower part, so that the movement of the extrusion block 47 can be controlled to be positioned, and the clamping device can be conveniently stored.

Wherein, fixed establishment 4 installs on the upper end and the both sides wall of first box body 1, and the staving is fixed simultaneously to the upper end and the side of first box body 1 and second box body 2, improves the stability of its connection.

Working principle: when the lithium battery pack is used, the lithium battery pack body is arranged in the first box body 1, then the second box body 2 is arranged on the lithium battery pack body, then the first box body 1 is aligned with the second box body 2, the fixing mechanism 4 is aligned with the clamping groove 5 at the lower end, the rotating disc 43 is rotated, the threaded rod 42 drives the connecting frame 44 to move downwards, the connecting frame 44 moves towards the inside of the clamping groove 5, the spring 46 drives the extrusion block 47 to move outwards in the downward moving process of the connecting frame 44, then after the bottom end of the connecting frame 44 is contacted with the clamping groove 5, the rotating disc 43 is stopped, the extrusion block 47 is clamped and fixed in the clamping groove 5, and the stability of connection between the first box body 1 and the second box body 2 can be improved.

Claims (5)

1. The utility model provides a lithium cell FPC protection shield, includes first box body (1) and second box body (2), its characterized in that: the fixing frame is characterized in that a fixing frame (3) is fixed on the first box body (1), a fixing mechanism (4) for fixing the box body is installed on the fixing frame (3), a clamping groove (5) is formed in the second box body (2), the fixing mechanism (4) comprises a mounting frame (41), a threaded rod (42), a rotating disc (43), a connecting frame (44), a limiting plate (45), a spring (46), a pressing block (47) and a pressing rod (48), the upper end of the mounting frame (41) is fixed on the fixing frame (3), the threaded rod (42) is connected to the mounting frame (41) in a rotating mode, the threaded rod (42) rotates to penetrate through the fixing frame (3), and the rotating disc (43) is fixed at the upper end of the threaded rod (42), and the lower end of the threaded rod (42) is fixed on the connecting frame (44).

2. The lithium battery FPC protection board according to claim 1, wherein: the two sides of the connecting frame (44) are slidably connected with extrusion rods (48), the outer sides of the extrusion rods (48) are fixed on extrusion blocks (47), the inner sides of the extrusion rods are fixed on limiting plates (45), springs (46) are sleeved on the peripheries of the extrusion rods (48), and the springs (46) are located between the connecting frame (44) and the extrusion blocks (47).

3. The lithium battery FPC protection board according to claim 2, wherein: the extrusion block (47) is trapezoid with narrow upper part and wide lower part and is clamped in the clamping groove (5).

4. A lithium battery FPC protection board according to claim 3, characterized in that: the inner side of the mounting frame (41) is a trapezoid groove with narrow upper part and wide lower part.

5. The lithium battery FPC protection board according to claim 1, wherein: the fixing mechanism (4) is arranged at the upper end and on the two side walls of the first box body (1).