CN219086113U

CN219086113U - Waterproof lithium battery for small-sized electrical appliance

Info

Publication number: CN219086113U
Application number: CN202223496715.XU
Authority: CN
Inventors: 张孔飞
Original assignee: Shenzhen Yirongda Electronics Co ltd
Current assignee: Shenzhen Yirongda Electronics Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-26
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses a waterproof lithium battery for a small-sized electric appliance, which comprises an upper shell and a lower shell, wherein battery cores are arranged in the upper shell and the lower shell, a top shell is arranged between the inner top of the upper shell and the battery cores, waterproof rubber rings are arranged on the inner side wall of the top shell, drainage grooves are formed in the two ends of the top shell, drainage holes are formed in the side wall of the upper shell, a rubber bottom shell is arranged between the inner bottom of the lower shell and the battery cores, and a positioning ring is arranged between one end, close to each other, of the upper shell and the lower shell and the battery cores. According to the utility model, the waterproof rubber ring and the rubber bottom shell are matched with each other, water is conveniently blocked through the waterproof rubber ring and the rubber bottom shell which are arranged at the positive and negative electrode ports of the lithium battery, and water can be discharged through the drain holes, so that liquid is effectively prevented from penetrating into the battery from the positive and negative electrode ports of the battery core, and corrosion damage to the battery is avoided.

Description

Waterproof lithium battery for small-sized electrical appliance

Technical Field

The utility model relates to the technical field of power supply equipment, in particular to a waterproof lithium battery for a small-sized electrical appliance.

Background

Lithium metal batteries are generally batteries using manganese dioxide as a positive electrode material, metallic lithium or its alloy metal as a negative electrode material, and a nonaqueous electrolyte solution.

In recent years, the development of small household appliances is rapid, and a lithium battery is adopted as a continuous power supply for many small electric appliances. At present, most of the existing lithium batteries do not have a waterproof function, and as the lithium batteries are formed by compounding a plurality of layers of structures, the joint of the lithium batteries is positioned on the end faces of the positive electrode and the negative electrode, and after the end faces are stained with water, water is easily caused to permeate into the lithium batteries from the end ports of the positive electrode and the negative electrode, so that the lithium batteries are corroded and damaged.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The utility model aims to provide a waterproof lithium battery for a small-sized electrical appliance, which is convenient for preventing liquid from penetrating into the lithium battery from the positive and negative terminal ports of the lithium battery and preventing the lithium battery from being corroded and damaged by the liquid.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

the waterproof lithium battery for the small-sized electrical appliance comprises an upper shell and a lower shell, wherein battery cores are arranged in the upper shell and the lower shell, a top shell is arranged between the inner top of the upper shell and the battery cores, waterproof rubber rings are arranged on the inner side wall of the top shell, drainage grooves are formed in two ends of the top shell, and drainage holes are formed in the side wall of the upper shell;

a rubber bottom shell is arranged between the inner bottom of the lower shell and the battery core, and a positioning ring is arranged between one end, close to the upper shell and the lower shell, of the battery core.

As a preferable scheme of the waterproof lithium battery for the small-sized electric appliance, the gasket is fixedly connected to the bottom of the top shell close to the center edge, and the waterproof lithium battery plays a role in buffering when falling on the ground, so that the lithium battery is protected conveniently.

As a preferable scheme of the waterproof lithium battery for the small-sized electric appliance, the inner side wall of the top shell is concavely arranged, the inner wall of the waterproof rubber ring is provided with the positioning bolt, the positioning bolt penetrates through the waterproof rubber ring and is in threaded connection with the concaved position of the inner side wall of the top shell, the top and the bottom of the waterproof rubber ring are tightly attached to the outer side wall of the battery core, and the inner wall of the top shell is concavely arranged, so that the waterproof rubber ring can be conveniently fixed by the positioning bolt, and meanwhile, when the waterproof rubber ring is installed, the waterproof rubber ring can be tightly attached to the outer side of the lithium battery, and liquid is prevented from penetrating into the lithium battery from a port.

As a preferable scheme of the waterproof lithium battery for the small-sized electrical appliance, the bottom in the drainage groove is obliquely arranged, so that water is conveniently led into the drainage hole, and the drainage groove is correspondingly communicated with the drainage hole, so that liquid at the top of the upper shell is conveniently discharged from the drainage hole.

As a preferable scheme of the waterproof lithium battery for the small-sized electric appliance, the inner side wall of the rubber bottom shell is tightly attached to the outer side wall of the battery core, the outer side wall of the rubber bottom shell is attached to the inner side wall of the lower shell, the outer side wall of the bottom of the rubber bottom shell is fixedly connected with an O-shaped ring, and the inner side wall of the lower shell is provided with an O-shaped groove corresponding to the O-shaped ring, so that the rubber bottom shell is conveniently assembled on the lower shell to achieve a fixing effect.

As a preferable scheme of the waterproof lithium battery for the small-sized electrical appliance, the positioning ring is tightly attached to the outer side wall of the battery core, and is made of anti-skid rubber, so that the upper shell and the lower shell are conveniently fixed to play a role in skid resistance.

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

according to the utility model, the waterproof rubber ring and the rubber bottom shell are matched with each other, water is conveniently blocked through the waterproof rubber ring and the rubber bottom shell which are arranged at the positive and negative electrode ports of the lithium battery, and water can be discharged through the drain holes, so that liquid is effectively prevented from penetrating into the battery from the positive and negative electrode ports of the battery core, and corrosion damage to the battery is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description will be given with reference to the accompanying drawings and detailed embodiments, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive faculty for a person skilled in the art. Wherein:

fig. 1 is a perspective view of a waterproof lithium battery for a small-sized electric appliance according to the present utility model;

fig. 2 is a schematic structural view of a waterproof lithium battery for a small-sized electric appliance according to the present utility model;

fig. 3 is an enlarged view at a in fig. 2.

Legend description: 1. an upper housing; 2. a battery core; 3. a top shell; 4. a gasket; 5. a waterproof rubber ring; 6. a positioning bolt; 7. a lower housing; 8. a drainage channel; 9. a drain hole; 10. a rubber bottom shell; 11. an O-ring; 12. an O-shaped groove; 13. and a positioning ring.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1-3, the utility model provides a waterproof lithium battery for a small-sized electric appliance, which comprises an upper shell 1 and a lower shell 7, wherein battery cores 2 are arranged in the upper shell 1 and the lower shell 7, a top shell 3 is jointly arranged between the top of the upper shell 1 and the battery cores 2, a waterproof rubber ring 5 is arranged on the inner side wall of the top shell 3, drainage grooves 8 are formed in two ends of the top shell 3, and drainage holes 9 are formed in the side wall of the upper shell 1;

a rubber bottom shell 10 is arranged between the inner bottom of the lower shell 7 and the battery core 2, and a positioning ring 13 is arranged between the battery core 2 and one end of the upper shell 1 and the lower shell 7, which are close to each other.

Referring to fig. 3 again, in order to facilitate protection of the lithium battery, specifically, a gasket 4 is fixedly connected to the bottom of the top case 3 near the center edge, so as to play a role in buffering when the lithium battery falls on the ground.

Please refer to fig. 3 again, in order to be convenient for fix waterproof rubber circle 5, thereby prevent that liquid from being permeated to the lithium cell inside by port department, specific top shell 3 inside wall is sunken form setting, waterproof rubber circle 5 inner wall is provided with locating bolt 6, locating bolt 6 runs through waterproof rubber circle 5 and with top shell 3 inside wall sunken part threaded connection, waterproof rubber circle 5 top and bottom all closely laminate with battery core 2 lateral wall, because top shell 3 inner wall is sunken form setting, be convenient for utilize locating bolt 6 to fix it, simultaneously when installing waterproof rubber circle 5, make waterproof rubber circle 5 can closely laminate with the lithium cell outside, play waterproof effect.

Referring to fig. 3 again, in order to facilitate draining water from the top of the upper housing 1 through the drain hole 9, specifically, the bottom of the drain tank 8 is inclined, so that water is conveniently led into the drain hole 9, and the drain tank 8 is correspondingly connected to the drain hole 9.

Referring to fig. 2 again, in order to facilitate assembling the rubber bottom shell 10 on the lower housing 7, specifically, the inner side wall of the rubber bottom shell 10 is tightly attached to the outer side wall of the battery core 2, the outer side wall of the rubber bottom shell 10 is attached to the inner side wall of the lower housing 7, the outer side wall of the bottom of the rubber bottom shell 10 is fixedly connected with an O-ring 11, and an O-shaped groove 12 corresponding to the O-ring 11 is formed in the inner side wall of the lower housing 7, so as to fix the rubber bottom shell 10.

Referring to fig. 2 again, in order to facilitate positioning the upper casing 1 and the lower casing 7 outside the battery core 2, specifically, the positioning ring 13 is tightly attached to the outer side wall of the battery core 2, and the positioning ring 13 is made of anti-skid rubber, so as to play a role in skid resistance.

When the lithium battery is specifically used, the anode and the cathode ends of the lithium battery are respectively sleeved with the upper shell 1 and the lower shell 7, and the anode and the cathode ends of the lithium battery core 2 are conveniently protected through the upper shell 1 and the lower shell 7.

The inside rubber drain pan 10 that is provided with of lower shell 7, the inside top shell 3 that is provided with of upper shell 1, the inside waterproof rubber circle 5 of top shell 3 closely laminate with the anodal end lateral wall of battery core 2, and rubber drain pan 10 closely laminate with the negative pole plane of battery core 2, be convenient for prevent when the battery meets water, by the positive negative pole of battery, to the inside infiltration of lithium cell, cause corrosion damage to it. Meanwhile, in order to prevent static electricity, the positive terminal of the battery core 2 is contracted inside the top shell 3, and when water enters from the top shell 3, water is conveniently discharged through the water discharge groove 8 and the water discharge hole 9, so that long-time accumulation of liquid is prevented.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a waterproof lithium battery for small-size electrical apparatus, includes shell (1) and lower shell (7), its characterized in that, shell (1) and lower shell (7) are inside to be provided with battery core (2), be provided with top shell (3) jointly between top and battery core (2) in shell (1), top shell (3) inside wall is provided with waterproof rubber circle (5), water drainage tank (8) have all been seted up at top both ends of top shell (3), wash port (9) have been seted up to upper shell (1) lateral wall;

a rubber bottom shell (10) is arranged between the inner bottom of the lower shell (7) and the battery core (2), and a positioning ring (13) is arranged between one end, close to the lower shell (7), of the upper shell (1) and the battery core (2).

2. The waterproof lithium battery for the small-sized electrical appliance according to claim 1, wherein a gasket (4) is fixedly connected to the bottom of the top case (3) near the center edge.

3. The waterproof lithium battery for the small-sized electrical appliance according to claim 1, wherein the inner side wall of the top shell (3) is concavely arranged, a positioning bolt (6) is arranged on the inner wall of the waterproof rubber ring (5), the positioning bolt (6) penetrates through the waterproof rubber ring (5) and is in threaded connection with the concaved position of the inner side wall of the top shell (3), and the top and the bottom of the waterproof rubber ring (5) are tightly attached to the outer side wall of the battery core (2).

4. The waterproof lithium battery for the small-sized electric appliance according to claim 1, wherein the inner bottom of the drainage groove (8) is obliquely arranged, and the drainage groove (8) is correspondingly communicated with the drainage hole (9).

5. The waterproof lithium battery for the small-sized electrical appliance according to claim 1, wherein the inner side wall of the rubber bottom shell (10) is tightly attached to the outer side wall of the battery core (2), the outer side wall of the rubber bottom shell (10) is attached to the inner side wall of the lower shell (7), an O-shaped ring (11) is fixedly connected to the outer side wall of the bottom of the rubber bottom shell (10), and an O-shaped groove (12) corresponding to the O-shaped ring (11) is formed in the inner side wall of the lower shell (7).

6. The waterproof lithium battery for the small-sized electrical appliance according to claim 1, wherein the positioning ring (13) is tightly attached to the outer side wall of the battery core (2), and the positioning ring (13) is made of anti-skid rubber.