CN217589158U

CN217589158U - High-safety button cell

Info

Publication number: CN217589158U
Application number: CN202220739706.XU
Authority: CN
Inventors: 刘亚明; 王君虎; 左志良; 刘雪艳
Original assignee: Shenzhen Qiming New Energy Technology Co ltd
Current assignee: Shenzhen Qiming New Energy Technology Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-10-14
Anticipated expiration: 2032-03-29

Abstract

The utility model discloses a high-safety button cell, which comprises an upper cover and a lower cover, wherein the lower cover is movably covered in the upper cover, and an electric core is movably embedded in the lower cover; the inner side wall of the upper cover is connected with the rubber ring in a gluing manner through a top glue surface, and a conductor film is movably arranged between the inner top wall of the upper cover and the top wall of the battery cell; the outer ring of the lower cover is connected with the inner ring wall of the rubber ring through the side rubber surface. The conductor film is arranged between the top wall and the battery core in the upper cover, the upper cover and the battery core can be separated by the conductor film, the problem that the battery core of the button battery is corroded by the upper cover in the using process is avoided to the maximum extent, the reliability and the safety of the battery are guaranteed, the rubber ring is arranged between the upper cover and the lower cover, the rubber ring has the advantages that the sealing connection between the upper cover and the lower cover is stronger, the battery core is not in contact with the external environment, and the use value of a product is improved.

Description

High-safety button cell

Technical Field

The utility model relates to a button cell equipment technical field specifically is a high security button cell.

Background

The button cell is a kind of battery, also called button cell, and refers to a battery with the size similar to a button, and the button cell is divided from the appearance. Button cell's outside generally all is the metal-back, only need when using with upper and lower both ends and consumer electric connection can, current button cell's sealed effect is not good, and the occasional weeping condition takes place, very dangerous.

To this, chinese utility model patent that the publication number is CN212161886U discloses a omnipotent button cell who fills of high security, including the plastic-aluminum membrane encapsulation, injection molding mouthful seat and shell, electrolyte is equipped with in the plastic-aluminum membrane encapsulation, the plastic-aluminum membrane encapsulation is installed on the middle part of injection molding mouthful seat, the shell lid is on the seat is sealed in moulding plastics, the plastic-aluminum membrane encapsulation is located the inside of shell, two polar lines extend in the outside of plastic-aluminum membrane encapsulation, two polar lines are positive polar line and negative pole line respectively, be provided with the metalwork on the injection molding mouthful seat, the metalwork runs through the upper surface of injection molding mouthful seat and the lower surface of injection molding mouthful seat, a polar line is connected with the metalwork, another polar line is connected with the shell.

The button cell in the above case is not strong in sealing connection between the upper cover and the lower cover after a long period of use, and is very dangerous, and therefore we propose a high-safety button cell to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high security button cell to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-safety button cell comprises an upper cover and a lower cover; the lower cover is movably covered in the upper cover, and the battery cell is movably embedded in the lower cover;

the inner side wall of the upper cover is connected with a rubber ring through a rubber top surface, and a conductor film is movably arranged between the inner top wall of the upper cover and the top wall of the battery cell;

the outer ring of the lower cover is connected with the inner ring wall of the rubber ring through the side rubber surface in a gluing way.

Preferably, the battery cell is of a winding structure, the battery cell comprises a positive plate and a negative plate, a diaphragm is arranged between the positive plate and the negative plate, the positive plate is electrically connected with the upper cover, and the negative plate is electrically connected with the lower cover.

Preferably, the separator is a non-conductive material.

Preferably, the rubber ring is a PP rubber ring.

Preferably, the top rubber surface and the side rubber surface are made of non-conductive materials and have higher melting points. The thickness interval of the diaphragm is 0.02-0.1mm.

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

the conductor film is arranged between the inner top wall of the upper cover and the battery cell, and can separate the upper cover from the battery cell, so that the corrosion of the battery cell to the upper cover in the use process of the button cell is avoided to the greatest extent, the reliability and the safety of the button cell are ensured, and the service life of the button cell is prolonged.

And meanwhile, a rubber ring is arranged between the upper cover and the lower cover, so that the sealing connectivity between the upper cover and the lower cover is stronger due to the rubber ring, the battery cell is not in contact with the external environment, and the use value of the product is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention.

In the figure: 1. an upper cover; 11. a rubber top surface; 12. a conductor film; 2. a lower cover; 20. side rubber surfaces; 21. a positive plate; 22. a negative plate; 23. a diaphragm; 3. a rubber ring; 4. and (5) battery cores.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a high-safety button cell comprises an upper cover 1 and a lower cover 2; the lower cover 2 is movably covered in the upper cover 1, and the battery core 4 is movably embedded in the lower cover 2; the inner side wall of the upper cover 1 is in adhesive connection with the rubber ring 3 through a rubber top surface 11, and a conductor film 12 is movably arranged between the inner top wall of the upper cover 1 and the top wall of the battery cell 4; the outer ring of the lower cover 2 is connected with the inner ring wall of the rubber ring 3 through a side rubber surface 20.

The battery cell 4 is of a winding structure, the battery cell 4 comprises a positive plate 21 and a negative plate 22, a diaphragm 23 is arranged between the adjacent positive plate 21 and negative plate 22, the positive plate 21 is electrically connected with the upper cover 1, and the negative plate 22 is electrically connected with the lower cover 2.

The diaphragm 23 is a non-conductive material; the non-conductive material is PET.

The rubber ring 3 is a PP rubber ring. Be equipped with rubber ring 3 between upper cover 1 and the lower cover, the existence of rubber ring 3 makes the sealing connection nature between upper cover 1 and the lower cover 2 stronger for electricity core 4 contactless external environment improves the use value of product.

The top glue surface 11 and the side glue surface 20 are made of non-conductive materials and have higher melting points.

The thickness interval of the diaphragm 23 is 0.02-0.1mm; any thickness value within the interval may be removed in embodiments.

Set up conductor membrane 12 between roof and electric core 4 in upper cover 1, conductor membrane 12 can be separated upper cover 1 and electric core 4 and come, avoids button cell 4 to lead to the fact the corruption to upper cover 1 at the in-process electric core 4 that avoids button cell to use to the at utmost, has guaranteed button cell's reliability, security, has prolonged button cell's life.

The working principle is as follows: when the device is normally used, the conductor film 12 is arranged between the top wall and the battery core 4 in the upper cover 1, the conductor film 12 can separate the upper cover 1 from the battery core 4, the battery core 4 is prevented from corroding the upper cover 1 in the use process of the button battery to the maximum extent, the reliability and the safety of the battery are ensured, the rubber ring 3 is arranged between the upper cover 1 and the lower cover, the sealing connection between the upper cover 1 and the lower cover 2 is stronger due to the existence of the rubber ring 3, the battery core 4 is not in contact with the external environment, and the use value of the product is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-safety button cell comprises an upper cover (1) and a lower cover (2), and is characterized in that:

the lower cover (2) is movably covered in the upper cover (1), and the battery cell (4) is movably embedded in the lower cover (2);

the inner side wall of the upper cover (1) is in adhesive connection with the rubber ring (3) through a top rubber surface (11), and a conductor film (12) is movably arranged between the inner top wall of the upper cover (1) and the top wall of the battery cell (4);

the outer ring of the lower cover (2) is connected with the inner ring wall of the rubber ring (3) through a side rubber surface (20) in a rubber property.

2. A high safety button cell according to claim 1, characterized in that: the battery cell (4) is of a winding structure, the battery cell (4) comprises a positive plate (21) and a negative plate (22), a diaphragm (23) is arranged between the positive plate (21) and the negative plate (22), the positive plate (21) is electrically connected with the upper cover (1), and the negative plate (22) is electrically connected with the lower cover (2).

3. A high safety button cell according to claim 2, characterized in that: the membrane (23) is a non-conductive material.

4. A high-safety button cell battery according to claim 1, characterized in that: the rubber ring (3) is a PP rubber ring.

5. A high-safety button cell battery according to claim 1, characterized in that: the top rubber surface (11) and the side rubber surface (20) are made of non-conductive materials.

6. A high safety button cell according to claim 2, characterized in that: the thickness interval of the diaphragm (23) is 0.02-0.1mm.