Waterproof plastic shell of lithium battery

Abstract

The utility model relates to the technical field of lithium battery shells, in particular to a waterproof plastic shell of a lithium battery. According to the technical scheme, the device comprises an upper end shell and a bottom shell, an end rubber lining is arranged in the upper end shell, an annular water baffle is arranged on one side of the upper end shell, a buffer pad is arranged in each rectangular containing groove, rubber backing rings are arranged on the sides, close to each other, of the upper end shell and the bottom shell, and side arc plates are arranged on the two sides of the upper end shell and the two sides of the bottom shell. Fastening bolts are arranged at the four end corner positions, close to each other, of the upper end shell and the bottom shell. According to the utility model, the upper end shell and the bottom shell are matched with the end rubber lining and the bottom end lining, so that the lithium battery can be stably mounted, and vibration can be buffered by arranging a plurality of groups of buffer pads in the bottom shell, so that the internal lithium battery is protected; and through the arrangement of the annular water baffle, the water baffle groove and the two sets of rubber backing rings, multiple waterproofing can be conducted on the interior of the shell.

Description

TECHNICAL FIELD

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

[0002] Lithium battery is a kind of by lithium metal or lithium alloy as positive / negative electrode material, using non-aqueous electrolyte solution battery. Due to the chemical properties of lithium metal is very active, make the processing, preservation, use of lithium metal, the requirement to environment is very high. With the development of science and technology, lithium battery has become mainstream. In lithium battery application needs to use shell, the shell of lithium battery is used to package all components inside the battery, prevent the interference of external environment and the leakage of battery internal substance, shell material is usually plastic, and needs to have good sealing property and corrosion resistance, but the existing shell does not have the function of waterproof, is easy to cause water to enter inside, causes damage to battery, serious time can lead to short circuit. For this purpose, we specially propose a kind of lithium battery waterproof plastic shell. SUMMARY

[0003] The utility model aims at the problems in the background art, propose a kind of lithium battery waterproof plastic shell.

[0004] The utility model discloses a kind of lithium battery waterproof plastic shell, including upper end shell and bottom shell, end rubber lining is provided in the upper end shell, annular water baffle is provided in the one side of the upper end shell, the inner wall of the bottom shell is all opened with rectangular groove, each group of the rectangular groove is provided with buffer pad, bottom end lining is provided in the bottom shell, the inner wall of the upper end shell and bottom shell is all provided with reinforcing rib in four end angle positions, the side of the upper end shell and bottom shell close to each other is all provided with rubber pad ring, the two sides of the upper end shell and bottom shell are all provided with side arc plate, the four end angle positions of the upper end shell and bottom shell close to each other are all provided with fastening bolt.

[0005] Preferably, the side of the upper end shell is provided with handle, the outer periphery of the end rubber lining is installed with the inner wall of the upper end shell, the side of the annular water baffle is installed with the one end of the upper end shell, the one end of the bottom shell is opened with water baffle groove, the annular water baffle is installed with water baffle groove.

[0006] Preferably, the installation end of the buffer pad is installed with the inner wall of rectangular groove, the outer periphery of the bottom end lining is mutually attached with the inner wall of the bottom shell.

[0007] Preferably, the installation end of the reinforcing rib is installed with the end angle inner wall of the upper end shell and bottom shell respectively, the bottom of the bottom shell is provided with multiple groups of convex pad.

[0008] Preferably, the mounting ends of one group of the rubber gaskets are mounted corresponding to one end of the upper end shell, and the mounting ends of another group of the rubber gaskets are mounted corresponding to one end of the bottom shell, and the two groups of the rubber gaskets are attached to each other when the upper end shell and the bottom shell are in the mounted state.

[0009] Preferably, the mounting ends of the side arc plates are mounted corresponding to the two sides of the upper end shell and the bottom shell, and one side of the side arc plate is provided in a circular arc shape.

[0010] Preferably, bolt holes are formed at the four corner positions of the end of the upper end shell and the bottom shell which are close to each other, and the fastening bolts are mounted corresponding to the bolt holes.

[0011] Compared with the prior art, the utility model has the following beneficial technical effects:

[0012] The utility model discloses a whole simple structure, and the setting of the upper end shell and the bottom shell and the end rubber lining and the bottom lining can stably install the lithium battery, the setting of the multiple groups of the buffer pads in the bottom shell can buffer the vibration, thereby protecting the internal lithium battery, the setting of the annular water baffle and the water retaining groove and the two groups of the rubber gaskets can carry out multiple waterproofs to the shell body inside, and the arc-shaped side arc plate is further arranged, thereby avoiding the water accumulation on the side of the lithium battery shell, and further playing a waterproof role on the lithium battery. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole structure schematic view of the utility model;

[0014] Figure 2 It is the bottom view of the utility model;

[0015] Figure 3 It is the explosion drawing of the utility model;

[0016] Figure 4 It is the structure schematic view of the bottom shell in the utility model.

[0017] Sign significance: 1, upper end shell;2, bottom shell;3, end rubber lining;4, annular water baffle;5, rectangular groove;6, buffer pad;7, bottom lining;8, reinforcing rib;9, rubber gasket;10, side arc plate;11, fastening bolt;12, handle;13, bolt hole;14, water retaining groove;15, convex pad. DETAILED DESCRIPTION

[0018] The technical scheme of the utility model is further explained below in combination with the drawings and specific embodiments.

[0019] EMBODIMENT

[0020] As Figures 1-4The utility model provides a waterproof plastic shell of lithium cell, including upper end shell 1 and bottom shell 2, the one side of upper end shell 1 is provided with handle 12, the mounting end of handle 12 is fixedly connected with the one side of upper end shell 1, the setting of handle 12 is convenient for operator to take lithium cell, the bottom of bottom shell 2 is provided with multiple groups of convex pad 15, and convex pad 15 is fixedly connected with bottom shell 2, the setting of convex pad 15 can buffer the vibration received to the bottom of shell, thereby protects the lithium cell of inside installation, and the inside of upper end shell 1 is provided with end rubber inner lining 3, and the periphery of end rubber inner lining 3 corresponds with the inner wall of upper end shell 1 installation, and the periphery of end rubber inner lining 3 is fixedly connected with the inner wall of upper end shell 1, and the setting of end rubber inner lining 3 can protect when lithium cell is installed state, and can make lithium cell installation more stable, and the one side of upper end shell 1 is provided with annular fender 4, and the one side of annular fender 4 corresponds with the one end of upper end shell 1 installation, and the mounting end of annular fender 4 is fixedly connected with upper end shell 1, and the one end of bottom shell 2 is provided with water retaining groove 14, and annular fender 4 corresponds with water retaining groove 14 installation, when upper end shell 1 and bottom shell 2 are installed state, and annular fender 4 and water retaining groove 14 are inserted pin state, thereby can avoid the condition that external moisture flows to the inside of shell, and then make the lithium cell of inside installation play waterproof function;

[0021] The bottom shell 2 is provided with a plurality of rectangular grooves 5 around the inner wall, and a buffer pad 6 is arranged in each group of rectangular grooves 5. The mounting end of the buffer pad 6 is correspondingly mounted with the inner wall of the rectangular groove 5, and the mounting end of the buffer pad 6 is fixedly connected with the inner wall of the rectangular groove 5. The plurality of buffer pads 6 can protect the lithium battery installed inside from all directions. When the shell is impacted, the impact vibration can be buffered. The bottom shell 2 is provided with a bottom end lining 7. The outer periphery of the bottom end lining 7 is in close contact with the inner wall of the bottom shell 2, and the outer periphery of the bottom end lining 7 is fixedly connected with the inner wall of the bottom shell 2. The bottom end lining 7 can cooperate with the end rubber lining 3 to protect the lithium battery as a whole and play a waterproof role again. The inner wall of the upper end shell 1 and the bottom shell 2 is provided with a reinforcing rib 8 at the four corner positions. The mounting end of the plurality of reinforcing ribs 8 is correspondingly mounted with the end corner inner wall of the upper end shell 1 and the bottom shell 2. The mounting end of part of the reinforcing ribs 8 is fixedly connected with the corresponding inner wall of the upper end shell 1. The mounting end of the remaining reinforcing ribs 8 is fixedly connected with the end corner inner wall of the bottom shell 2. The reinforcing ribs 8 can improve the strength of the upper end shell 1 and the bottom shell 2, thereby better protecting the lithium battery. The upper end shell 1 and the bottom shell 2 are provided with a rubber pad ring 9 on the side close to each other. The mounting end of one group of rubber pad rings 9 is correspondingly mounted with one end of the upper end shell 1. The mounting end of one group of rubber pad rings 9 is fixedly connected with the upper end shell 1. The mounting end of the other group of rubber pad rings 9 is correspondingly mounted with one end of the bottom shell 2. The mounting end of the other group of rubber pad rings 9 is fixedly connected with the bottom shell 2. When the upper end shell 1 and the bottom shell 2 are in the mounted state, the two groups of rubber pad rings 9 are in close contact. The arrangement of the two groups of rubber pad rings 9 can make the inside of the upper end shell 1 and the bottom shell 2 in the mounted state closed, thereby waterproofing again. The two sides of the upper end shell 1 and the bottom shell 2 are provided with a side arc plate 10. The mounting end of the side arc plate 10 is correspondingly mounted with the two sides of the upper end shell 1 and the bottom shell 2. The mounting end of the side arc plate 10 is fixedly connected with the two sides of the upper end shell 1 and the bottom shell 2. One side of the side arc plate 10 is arc-shaped. The arc-shaped arrangement of one side of the side arc plate 10 can avoid water accumulation on the side of the shell and better guide water. The four corner positions of the upper end shell 1 and the bottom shell 2 close to each other are provided with a fastening bolt 11. The upper end shell 1 and the bottom shell 2 are provided with a bolt hole 13 at the four corner positions close to each other. The fastening bolt 11 is correspondingly mounted with the bolt hole 13. The arrangement of the fastening bolt 11 can make the upper end shell 1 and the bottom shell 2 more tightly fastened in the assembled state, thereby making the two groups of rubber pad rings 9 tightly close, and making the annular water baffle 4 and the water baffle groove 14 more stable in the bolt state.

[0022] In the embodiment, the operator firstly assembles the bottom of the lithium battery with the inner cavity of the inner end lining 7 in the bottom shell 2, then the operator installs the upper end shell 1 with the end rubber lining 3 on the upper end of the lithium battery, thereby assembling the upper end shell 1 with the bottom shell 2, at this time, the annular water baffle 4 on one end of the upper end shell 1 is in the bolt state with the water baffle groove 14 on the bottom shell 2, and the two groups of rubber pad rings 9 are tightly attached to each other, finally the operator assembles the fastening bolt 11 with the bolt hole 13, so that the upper end shell 1 and the bottom shell 2 are in the fastening assembly state, thereby completing the installation work of the lithium battery.

[0023] The above specific embodiments are only a preferred embodiment of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A waterproof plastic case for lithium batteries comprising an upper end case (1) and a bottom case (2), characterized in that: The upper end shell (1) is provided with an end rubber lining (3), one side of the upper end shell (1) is provided with an annular water baffle (4), the inner wall of the bottom shell (2) is provided with a rectangular groove (5), each group of the rectangular groove (5) is provided with a buffer pad (6), the bottom shell (2) is provided with a bottom end lining (7), the inner wall of the four corners of the upper end shell (1) and the bottom shell (2) is provided with a reinforcing rib (8), the side of the upper end shell (1) and the bottom shell (2) is provided with a rubber pad ring (9), the two sides of the upper end shell (1) and the bottom shell (2) are provided with a side arc plate (10), and the four corner positions of the upper end shell (1) and the bottom shell (2) are provided with a fastening bolt (11).

2. A plastic waterproof case for lithium batteries according to claim 1, characterized in that, The side of the upper end shell (1) is provided with a handle (12), the outer periphery of the end rubber lining (3) is correspondingly installed with the inner wall of the upper end shell (1), one side of the annular water baffle (4) is correspondingly installed with one end of the upper end shell (1), one end of the bottom shell (2) is provided with a water baffle groove (14), and the annular water baffle (4) is correspondingly installed with the water baffle groove (14).

3. A plastic waterproof case for lithium batteries according to claim 1, characterized in that, The mounting end of the buffer pad (6) is correspondingly installed with the inner wall of the rectangular groove (5), and the outer periphery of the bottom end lining (7) is mutually attached with the inner wall of the bottom shell (2).

4. The waterproof plastic case for lithium batteries according to claim 1, characterized in that, The mounting end of the reinforcing rib (8) is correspondingly installed with the end corner inner wall of the upper end shell (1) and the bottom shell (2), and the bottom of the bottom shell (2) is provided with a plurality of convex pads (15).

5. A plastic waterproof case for lithium batteries according to claim 1, characterized in that, The mounting end of one group of the rubber pad ring (9) is correspondingly installed with one end of the upper end shell (1), the mounting end of the other group of the rubber pad ring (9) is correspondingly installed with one end of the bottom shell (2), and when the upper end shell (1) and the bottom shell (2) are in the installed state, the two groups of rubber pad rings (9) are mutually attached.

6. A plastic waterproof case for lithium batteries according to claim 1, characterized in that, The mounting end of the side arc plate (10) is correspondingly installed with the two sides of the upper end shell (1) and the bottom shell (2), and one side of the side arc plate (10) is provided in a circular arc shape.

7. A plastic waterproof case for lithium batteries according to claim 1, characterized in that, The end of the upper end shell (1) and the bottom shell (2) is provided with a bolt hole (13) at the four corner positions, and the fastening bolt (11) is correspondingly installed with the bolt hole (13).

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