Lithium battery shell structure

Abstract

The utility model provides a lithium battery shell structure. The lithium battery shell structure comprises a shell and an upper cover which is matched with the shell and covers the shell, a plurality of limiting plates are distributed at the top in the shell, a battery cell is mounted in the shell, and the top of the battery cell is limited and fixed through the limiting plates; reinforcing ribs are distributed on each outer wall of the shell and each inner wall of the upper cover; the limiting structure is arranged in the shell to limit and fix the battery cell, the mounting stability of the battery cell is guaranteed, shaking caused by unstable mounting is avoided, and the reinforcing ribs are arranged on the outer wall of the shell and the inner wall of the upper cover, so that the overall structural strength and stability of the shell structure are effectively improved, and the service life of the shell structure is prolonged. Therefore, normal use and safety of the lithium battery are guaranteed, and the technical problems that in the prior art, the overall installation stability and the structural strength of a lithium battery shell are poor, and normal use and safety are affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery technical field especially relates to a lithium battery shell structure. BACKGROUND

[0002] Lithium battery is a kind of by lithium metal or lithium alloy as positive and negative electrode material, using non-aqueous electrolyte solution battery, lithium battery can be divided into two categories: lithium metal battery and lithium ion battery, lithium ion battery does not contain metal state lithium, and it is chargeable.

[0003] Chinese patent CN209071405U discloses a solar street lamp is with lithium battery shell convenient to dismount, including lamp shell, placing groove, lithium battery shell body, apron, bottom plate, side plate and vertical board, the inside of lamp shell is provided with placing groove, placing groove is provided with lithium battery shell body in the inside, first screw groove is arranged in the left and right two side inner walls of placing groove, first bolt is arranged on the outside upper portion of apron, lithium battery shell body is composed of bottom plate, side plate, vertical board and top plate, the inside of lithium battery shell body is provided with plastic layer.

[0004] The lithium battery shell in the prior art still has some deficiencies in overall installation stability and structural strength, which affects normal use and safety, and the lithium battery shell is prone to moisture and not waterproof, and there are defects in the waterproofness of the lithium battery shell. UTILITY MODEL CONTENTS

[0005] The utility model discloses a lithium battery shell structure, which is provided to overcome the deficiencies of the prior art. The battery cell is fixed by the limiting structure arranged in the shell, which ensures the stability of the cell installation and avoids shaking caused by unstable installation. The reinforcing ribs are arranged on the outer wall of the shell and the inner wall of the upper cover, which effectively increases the overall structural strength and stability of the shell structure, thereby ensuring the normal use and safety of the lithium battery. The technical problems of the prior art, such as the overall installation stability and structural strength of the lithium battery shell, which affect the normal use and safety, are solved.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A lithium battery shell structure includes a shell and an upper cover that matches the shell; a plurality of limiting plates are arranged on the top of the shell; the battery cell is installed in the shell, and the top of the battery cell is fixed by the limiting plates; reinforcing ribs are arranged on the outer wall of the shell and the inner wall of the upper cover.

[0008] As a preferred embodiment, two opposite inner side walls of the shell are vertically provided with limiting columns, and the two ends of the limiting plates are fixedly installed on the limiting columns.

[0009] Preferably, the limiting plate and the limiting post are fastened together by bolts.

[0010] Preferably, the outer side wall and the outer bottom wall of the shell are provided with the reinforcing ribs, which are arranged in strip or mesh shape.

[0011] Preferably, the inner sidewall and the inner top wall of the top cover are provided with the reinforcing ribs, wherein the reinforcing ribs of the inner sidewall are arranged in strip or grid shape, and the reinforcing ribs of the inner top wall are arranged in honeycomb shape.

[0012] Preferably, a sealing ring is provided around the top edge of the housing, and a sealing strip is provided around the bottom edge of the cover. When the cover and housing are fitted together, the sealing strip and the sealing ring are fitted together and pressed tightly.

[0013] Preferably, a sealing ring groove is recessed around the top edge of the housing, and the sealing ring is fitted into the sealing ring groove. The depth of the sealing ring groove is greater than the thickness of the sealing ring to reserve space for installing a sealing strip, and the sealing strip is correspondingly engaged in the sealing ring groove.

[0014] Preferably, the top cover is provided with a positive terminal and a negative terminal, with one end of the terminal located inside the top cover to connect with the battery cell and the other end extending outside the top cover to connect with the electrical equipment.

[0015] Preferably, the lithium battery casing also has a handle structure.

[0016] Preferably, the housing and the top cover are provided with mounting holes, and the pull rope of the handle structure is installed by passing through the mounting holes, wherein the two ends of the pull rope pass through the bottom of the mounting holes and are connected to the handle body.

[0017] Preferably, the housing and the top cover are fastened together by fasteners, and bolt holes are provided through the housing and the top cover.

[0018] The beneficial effects of this utility model are as follows:

[0019] (1) This utility model limits and fixes the battery cell by setting a limiting structure inside the shell, ensuring the stability of the battery cell installation and avoiding shaking due to unstable installation. Reinforcing ribs are set on each side of the outer wall of the shell and the inner wall of the top cover, which effectively increases the overall structural strength and stability of the shell structure. In particular, the honeycomb-shaped reinforcing ribs can significantly improve the shell's resistance to pressure and bending, thereby ensuring the normal use and safety of the lithium battery.

[0020] (2) This utility model achieves a seal at the joint by setting a sealing ring around the top edge of the shell and a sealing strip around the bottom edge of the cover. The two seal and press together to achieve a seal. The sealing ring is installed in a deeper groove and the sealing strip is clamped in place, which achieves a more complete and effective sealing effect.

[0021] (3) This utility model has a handle structure, which makes it easy to pick up. The handle structure is installed through the shell and the top cover, which makes it stronger and effectively avoids damage to the shell when lifting. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of the present invention. Figure 1 ;

[0023] Figure 2 This is a schematic diagram of the overall structure of the present invention. Figure 2 ;

[0024] Figure 3 This is a schematic diagram of the shell structure in this utility model;

[0025] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0026] Figure 5 This is a schematic diagram of the structure of the upper cover in this utility model;

[0027] Figure 6 for Figure 5 Enlarged view at point B in the middle;

[0028] Figure 7 This is a cross-sectional view of the overall structure of this utility model;

[0029] Figure 8 for Figure 7 Enlarged view of point C. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0032] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0033] Example 1

[0034] like Figures 1-3 As shown, a lithium battery casing structure includes: a casing 1 and a top cover 2 that matches and fits the casing 1; a plurality of limiting plates 31 are distributed on the top of the casing 1, and battery cells are installed inside the casing 1 and the top of the battery cells are limited and fixed by the limiting plates 31; reinforcing ribs 4 are distributed on each outer wall of the casing 1 and each inner wall of the top cover 2.

[0035] In this embodiment, the battery cell is fixed by setting a limiting plate 31 inside the housing 1 to ensure the stability of the battery cell installation and prevent shaking caused by unstable installation. Reinforcing ribs 4 are set on each side of the outer wall of the housing 1 and the inner wall of the top cover 2 to effectively increase the overall structural strength and stability of the housing structure, thereby ensuring the normal use and safety of the lithium battery.

[0036] As a preferred option, such as Figure 3 As shown, two opposite inner sidewalls of the housing 1 are vertically provided with limiting posts 32, and the two ends of the limiting plate 31 are fixedly installed on the limiting posts 32.

[0037] Preferably, the limiting plate 31 and the limiting post 32 are fastened together by bolts.

[0038] As a preferred option, such as Figure 2 As shown, the outer side wall and the outer bottom wall of the shell 1 are provided with the reinforcing ribs 4, which are arranged in strip or mesh shape.

[0039] As a preferred option, such as Figure 5As shown, the inner sidewall and inner top wall of the upper cover 2 are provided with the reinforcing ribs 4, wherein the reinforcing ribs 4 of the inner sidewall are set in strip or grid shape, and the reinforcing ribs 4 of the inner top wall are set in honeycomb shape.

[0040] In particular, it adopts honeycomb-shaped reinforcing ribs 4. The honeycomb structure is one of the best lightweight and high-strength structures known in nature and engineering. Its hexagonal units can evenly disperse external impact forces (such as squeezing and dropping), significantly improving the shell's resistance to pressure and bending, and reducing the risk of battery damage due to mechanical stress.

[0041] As a preferred option, such as Figure 1 As shown, the upper cover 2 is provided with a positive terminal 61 and a negative terminal 62, and one end of the terminal is located inside the upper cover 2 to connect with the battery cell, and the other end extends out of the upper cover 2 to connect with the electrical equipment.

[0042] Preferably, the housing 1 and the top cover 2 are fastened together by fasteners, and bolt holes 80 are provided through the housing 1 and the top cover 2.

[0043] Example 2

[0044] The components in this embodiment that are the same as or corresponding to those in the above embodiments are referred to by the same reference numerals as those in the above embodiments. For the sake of simplicity, only the differences between this embodiment and the above embodiments are described below. The difference between this embodiment and the above embodiments is that:

[0045] As a preferred option, such as Figures 3-8 As shown, a sealing ring 51 is provided around the top edge of the housing 1, and a sealing strip 52 is provided around the bottom edge of the upper cover 2. When the upper cover 2 and the housing 1 are fitted together, the sealing strip 52 and the sealing ring 51 are fitted together and pressed tightly.

[0046] In this embodiment, a sealing ring is provided around the top edge of the housing and a sealing strip is provided around the bottom edge of the top cover. The two seal and press together to achieve a seal at the joint, thereby achieving sealing and waterproofing.

[0047] Preferably, a sealing ring groove 53 is recessed around the top edge of the housing 1, and the sealing ring 51 is matched and installed in the sealing ring groove 53. The depth of the sealing ring groove 53 is greater than the thickness of the sealing ring 51 to reserve space for installing the sealing strip 52. The sealing strip 52 is correspondingly engaged in the sealing ring groove 53.

[0048] It is worth mentioning that a deeper sealing groove is set to install the sealing ring and clamp the sealing strip, so as to achieve a more complete and effective sealing effect.

[0049] Example 3

[0050] The components in this embodiment that are the same as or corresponding to those in the above embodiments are referred to by the same reference numerals as those in the above embodiments. For the sake of simplicity, only the differences between this embodiment and the above embodiments are described below. The difference between this embodiment and the above embodiments is that:

[0051] As a preferred option, such as Figure 2 As shown, the lithium battery casing structure is also equipped with a handle structure 7; the handle structure makes it easy to pick up.

[0052] Preferably, a mounting hole 70 is provided through the housing 1 and the top cover 2, and the pull rope 71 of the handle structure 7 is installed by passing through the mounting hole 70. The two ends of the pull rope 71 pass through the bottom of the mounting hole 70 and are connected to the handle body 72.

[0053] It is worth mentioning that the handle structure, which runs through the shell and the top cover, is stronger and effectively prevents damage to the shell when lifting.

[0054] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A lithium battery shell structure, comprising: a shell (1) and an upper cover (2) matched with the shell (1); characterized in that a plurality of limiting plates (31) are arranged on the inner top of the shell (1), and the battery cell is installed in the shell (1) and the top of the battery cell is fixed by the limiting plates (31); and the reinforcing ribs (4) are arranged on the outer walls of the shell (1) and the inner walls of the upper cover (2).

2. The lithium battery case structure according to claim 1, wherein The opposite inner side walls of the shell (1) are vertically provided with limiting columns (32), and the two ends of the limiting plates (31) are fixedly installed on the limiting columns (32).

3. The lithium battery case structure of claim 1, wherein The outer side walls and the outer bottom walls of the shell (1) are provided with the reinforcing ribs (4), and the reinforcing ribs (4) are arranged in strip or grid shape.

4. The lithium battery case structure of claim 1, wherein The inner side walls and the inner top walls of the upper cover (2) are provided with the reinforcing ribs (4), wherein the reinforcing ribs (4) of the inner side walls are arranged in strip or grid shape, and the reinforcing ribs (4) of the inner top walls are arranged in honeycomb shape.

5. The lithium battery case structure of claim 1, wherein The top edge of the shell (1) is provided with a sealing ring (51), the bottom edge of the upper cover (2) is provided with a sealing strip (52), and when the upper cover (2) is matched and covered with the shell (1), the sealing strip (52) is matched and tightly fitted with the sealing ring (51).

6. The lithium battery case structure according to claim 5, wherein The top edge of the shell (1) is recessed with a sealing ring groove (53), the sealing ring (51) is matched and installed in the sealing ring groove (53), and the depth of the sealing ring groove (53) is greater than the thickness of the sealing ring (51) to reserve space for installing the sealing strip (52), and the sealing strip (52) is correspondingly clamped in the sealing ring groove (53).

7. The lithium battery case structure of claim 1, wherein The upper cover (2) is provided with a positive terminal (61) and a negative terminal (62), and one end of the terminal is located in the upper cover (2) to be connected with the battery cell, and the other end is extended out of the upper cover (2) to be connected with the electric device.

8. The lithium battery case structure of claim 1, wherein, A handle structure (7) is further installed on the lithium battery shell structure.

9. The lithium battery case structure of claim 8, wherein, Matching through holes (70) are provided in the shell (1) and the upper cover (2), and the pull rope (71) of the handle structure (7) is installed in the through hole (70), wherein the two ends of the pull rope (71) are upwardly threaded from the bottom of the through hole (70) and connected with the handle body (72).

10. The lithium battery case structure of claim 1, wherein The shell (1) and the upper cover (2) are tightly installed by fasteners, and matching bolt holes (80) are provided in the shell (1) and the upper cover (2).

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