CN219610631U - Lithium battery shell reinforced structure - Google Patents

Abstract

The utility model relates to the field of lithium batteries, in particular to a lithium battery outer shell reinforcing structure, which comprises a shell, wherein an inner shell is arranged in the shell, an upper cover is arranged on the top surface of the shell, third grooves are formed in two parallel side plates of the shell, a fixing rod is inserted into the third grooves, and the shell and the upper cover are fixed through the fixing rod, so that the lithium battery outer shell reinforcing structure has the beneficial effects that: the lithium battery shell reinforcing structure is provided with the inner shell, the lithium battery is placed in the inner shell, the double-layer shell can reduce the collision of vibration of the shell on the lithium battery, the damage of the lithium battery is avoided, and the service life of the lithium battery is prolonged.

Description

Lithium battery shell reinforced structure

Technical Field

The utility model relates to the field of lithium batteries, in particular to a lithium battery shell reinforcing structure.

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. Therefore, lithium batteries have not been used for a long time. With the development of microelectronic technology at the end of the twentieth century, miniaturized devices are increasing, and high requirements are put on power supplies. Lithium batteries have subsequently entered a large-scale practical stage.

In the prior art, the lithium battery shell is generally of a single-layer structure, and the lithium battery is placed in the shell and directly contacted with the inner wall of the shell.

However, during use, the lithium battery case is easily vibrated, so that the lithium battery collides with the case, thereby damaging the lithium battery.

Disclosure of Invention

The utility model aims to provide a lithium battery shell reinforcing structure for solving the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lithium cell shell additional strengthening, includes the casing, the inside inner shell that is provided with of casing, the casing top surface is provided with the upper cover, has all seted up the third recess on two parallel curb plates of casing, has pegged graft in the third recess and has the dead lever, and the casing is fixed through the dead lever with the upper cover.

Preferably, the shell bottom plate top surface is fixed with first rubber pad, and first rubber pad top surface is fixed with the inner shell, and four curb plate inner walls of inner shell all are fixed with the second rubber pad, all have seted up the ventilation hole on two of them parallel curb plate inner walls of inner shell, and the ventilation hole outwards extends to the curb plate outer wall of shell, and the ventilation hole inwards extends to the second rubber pad inner wall.

Preferably, the first grooves are formed in the two parallel side walls of the upper cover, a third rubber pad is fixed at the bottom end of the upper cover, a connecting plate is fixed at the bottom end of the third rubber pad, the connecting plate is in a shape of a Chinese character 'kou', and the connecting plate is located between the side plate of the shell and the side plate of the inner shell.

Preferably, the second groove is formed in the shell, the second groove is in a circular ring shape, the second groove is communicated with the third groove, the third groove is in a cylindrical shape, the fourth groove is formed in the position, corresponding to the third groove, of the outer wall of the connecting plate, the fixing rod is movably inserted in the third groove, the fixing rod extends inwards to the inside of the fourth groove, and an inclined surface is formed in one end, close to the connecting plate, of the fixing rod.

Preferably, the fixed cover in dead lever outside is equipped with the annular plate, and the annular plate is in the second recess, and the one end fixedly connected with first spring that the annular plate is close to the connecting plate, and the one end that the annular plate was kept away from to first spring is fixed on the second recess lateral wall, and the one end that the connecting plate was kept away from to the dead lever is fixed with the connecting block, and the one end that the connecting block kept away from the dead lever is fixed with the pull ring.

Preferably, four groups of circular grooves are symmetrically formed in the top surface of the shell, springs are arranged in the circular grooves, one ends of the springs are connected with the bottom ends of the circular grooves, and the other ends of the springs are connected with the bottom ends of the protruding blocks.

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

the lithium battery shell reinforcing structure is provided with the inner shell, the lithium battery is placed in the inner shell, the double-layer shell can reduce the collision of vibration of the shell on the lithium battery, the damage of the lithium battery is avoided, and the service life of the lithium battery is prolonged.

Drawings

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

FIG. 2 is a schematic view of the upper cover and the housing of the present utility model;

FIG. 3 is a cross-sectional view of the present utility model;

fig. 4 is an enlarged schematic view of the structure a in fig. 3.

In the figure: 1 shell, 2 inner shell, 3 upper cover, 4 first rubber pad, 5 second rubber pad, 6 ventilation holes, 7 first recess, 8 third rubber pad, 9 connecting plates, 10 second recess, 11 third recess, 12 fourth recess, 13 dead lever, 14 annular plates, 15 first spring, 16 connecting block, 17 pull ring, 18 lug.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

Example 1

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a lithium battery shell reinforced structure, includes casing 1, casing 1 inside is provided with inner shell 2, and casing 1 top surface is provided with upper cover 3, has all seted up third recess 11 on the two parallel curb plates of casing 1, has pegged graft in the third recess 11 and has fixed lever 13, and casing 1 and upper cover 3 are fixed through fixed lever 13; the lithium battery outer shell reinforcing structure provided by the utility model is provided with the inner shell 2, the lithium battery is placed in the inner shell 2, the double-layer shell can reduce the collision of vibration of the outer shell on the lithium battery, the damage of the lithium battery is avoided, and the service life of the lithium battery is prolonged.

Example two

On the basis of the first embodiment, in order to realize the combined installation of the shell 1, the inner shell 2 and the upper cover 3, a first rubber pad 4 is fixed on the top surface of the bottom plate of the shell 1, the inner shell 2 is fixed on the top surface of the first rubber pad 4, second rubber pads 5 are fixed on the inner walls of four side plates of the inner shell 2, vent holes 6 are formed in the inner walls of two parallel side plates of the inner shell 2, the vent holes 6 extend outwards to the outer walls of the side plates of the shell 1, and the vent holes 6 extend inwards to the inner walls of the second rubber pads 5; the first grooves 7 are formed in the two parallel side walls of the upper cover 3, a third rubber pad 8 is fixed to the bottom end of the upper cover 3, a connecting plate 9 is fixed to the bottom end of the third rubber pad 8, the connecting plate 9 is shaped like a Chinese character 'kou', and the connecting plate 9 is located between the side plate of the shell 1 and the side plate of the inner shell 2.

Be provided with first rubber pad 4 between inner shell 2 and the casing 1, the inner wall of four curb plates of inner shell 2 all is fixed with second rubber pad 5, and upper cover 3 bottom mounting has third rubber pad 8, and when casing 1 received the impact, the rubber pad played the cushioning effect, and connecting plate 9 is in the gap department of inner shell 2 and casing 1, plays further fastening effect to the lithium cell.

Example III

On the basis of the second embodiment, in order to fix the upper cover 3 and the shell 1, a second groove 10 is formed in the shell 1, the second groove 10 is in a circular ring shape, the second groove 10 is communicated with a third groove 11, the third groove 11 is in a cylindrical shape, a fourth groove 12 is formed in a position, corresponding to the third groove 11, of the outer wall of the connecting plate 9, a fixing rod 13 is movably inserted into the third groove 11, the fixing rod 13 extends inwards to the inside of the fourth groove 12, and an inclined plane is formed at one end, close to the connecting plate 9, of the fixing rod 13; the outer side of the fixed rod 13 is fixedly sleeved with an annular plate 14, the annular plate 14 is positioned in the second groove 10, one end of the annular plate 14, which is close to the connecting plate 9, is fixedly connected with a first spring 15, one end of the first spring 15, which is far away from the annular plate 14, is fixed on the side wall of the second groove 10, one end of the fixed rod 13, which is far away from the connecting plate 9, is fixedly provided with a connecting block 16, and one end of the connecting block 16, which is far away from the fixed rod 13, is fixedly provided with a pull ring 17; four groups of circular grooves are symmetrically formed in the top surface of the shell 1, springs are arranged in the circular grooves, one ends of the springs are connected with the bottom ends of the circular grooves, and one ends of the springs are connected with the bottom ends of the protruding blocks 18.

When the upper cover 3 is pressed down, the connecting plate 9 presses the inclined surface part of the fixed rod 13, the fixed rod 13 moves outwards, meanwhile, the convex block 18 is pressed into the circular groove by the upper cover 3, when the fourth groove 12 is opposite to the fixed rod 13, the fixed rod 13 is restored to the original position under the action of the first spring 15 and is inserted into the fourth groove 12, so that the upper cover 3 is fixed with the shell 1; when the lithium battery needs to be taken out, the pull ring 17 is pulled to draw the fixing rod 13 out of the fourth groove 12, at the moment, the convex block 18 is sprung up under the action of the spring to pop up the upper cover 3, so that the fourth groove 12 and the fixing rod 13 are misplaced, at the moment, the pull ring 17 is released, a hand is inserted into the first groove 7, the upper cover 3 is lifted, and the lithium battery is taken out.

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 (6)

1. Lithium battery case reinforced structure, including casing (1), its characterized in that: the novel anti-theft device is characterized in that an inner shell (2) is arranged inside the shell (1), an upper cover (3) is arranged on the top surface of the shell (1), a third groove (11) is formed in each of two parallel side plates of the shell (1), a fixing rod (13) is inserted into the third groove (11), and the shell (1) and the upper cover (3) are fixed through the fixing rods (13).

2. The lithium battery case reinforcing structure according to claim 1, wherein: a first rubber pad (4) is fixed on the top surface of the bottom plate of the shell (1), an inner shell (2) is fixed on the top surface of the first rubber pad (4), second rubber pads (5) are fixed on the inner walls of four side plates of the inner shell (2), and vent holes (6) are formed in the inner walls of two parallel side plates of the inner shell (2), the vent holes (6) extend outwards to the outer walls of the side plates of the shell (1), and the vent holes (6) extend inwards to the inner walls of the second rubber pads (5).

3. The lithium battery case reinforcing structure according to claim 1, wherein: the novel anti-theft device is characterized in that a first groove (7) is formed in two parallel side walls of the upper cover (3), a third rubber pad (8) is fixed at the bottom end of the upper cover (3), a connecting plate (9) is fixed at the bottom end of the third rubber pad (8), the connecting plate (9) is in a shape of a Chinese character 'kou', and the connecting plate (9) is located between a side plate of the shell (1) and a side plate of the inner shell (2).

4. The lithium battery case reinforcing structure according to claim 1, wherein: the novel anti-theft device is characterized in that a second groove (10) is formed in the shell (1), the second groove (10) is in a circular ring shape, the second groove (10) is communicated with a third groove (11), the third groove (11) is in a cylindrical shape, a fourth groove (12) is formed in the position, corresponding to the third groove (11), of the outer wall of the connecting plate (9), a fixing rod (13) is movably inserted into the third groove (11), the fixing rod (13) extends inwards to the inside of the fourth groove (12), and an inclined surface is formed in one end, close to the connecting plate (9), of the fixing rod (13).

5. The lithium battery case reinforcing structure according to claim 1, wherein: the fixed cover in dead lever (13) outside is equipped with annular plate (14), and annular plate (14) are in second recess (10), and annular plate (14) are close to one end fixedly connected with first spring (15) of connecting plate (9), and one end that annular plate (14) was kept away from to first spring (15) is fixed on second recess (10) lateral wall, and one end that connecting plate (9) was kept away from to dead lever (13) is fixed with connecting block (16), and one end that connecting block (16) kept away from dead lever (13) is fixed with pull ring (17).

6. The lithium battery case reinforcing structure according to claim 1, wherein: four groups of circular grooves are symmetrically formed in the top surface of the shell (1), springs are arranged in the circular grooves, one ends of the springs are connected with the bottom ends of the circular grooves, and the other ends of the springs are connected with the bottom ends of the protruding blocks (18).