CN215578748U

CN215578748U - Cylindrical energy storage battery

Info

Publication number: CN215578748U
Application number: CN202122412407.3U
Authority: CN
Inventors: 肖桂松; 吴兴林; 刘大伟
Original assignee: Huizhou Anengji Electronic Technology Co ltd
Current assignee: Huizhou Anengji Electronic Technology Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-01-18
Anticipated expiration: 2031-10-08

Abstract

The utility model provides a cylindrical energy storage battery which comprises a cap, a battery shell, a battery inner core, electrode plates, power connection plates, conductive adhesive, reinforcing ribs, internal threads, bosses, groove platforms and sealing rings. The battery has good electrical contact, convenient installation, high structural strength and good waterproof effect.

Description

Cylindrical energy storage battery

Technical Field

The utility model relates to the technical field of batteries, in particular to a cylindrical energy storage battery.

Background

The cylindrical lithium ion battery mainly comprises a shell, a cap, a positive plate, a negative plate, a diaphragm, an upper gasket, a lower gasket and electrolyte, and specifically comprises the steps of welding lugs on the positive and negative plates, wrapping high-temperature adhesive paper, winding the positive and negative plates into a cylindrical shape by separating the positive and negative plates by the diaphragm paper, placing the upper and lower gaskets, then placing the upper and lower gaskets into a steel shell, welding the cap, injecting the electrolyte, and sealing and forming. The problem of poor power connection easily appears in present battery inside and adopts the welding mode, and is with high costs and cause the damage to the battery easily.

Therefore, it is desirable to design a cylindrical energy storage battery to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cylindrical energy storage battery which has the advantages of good electrical contact, convenient installation, high structural strength and good waterproof effect.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a cylinder energy storage battery, includes cap, battery case, battery inner core, electrode slice, connects the electric piece, conducting resin, strengthening rib, internal thread, boss, groove platform and sealing washer, its characterized in that, battery case's inside is equipped with battery inner core, battery inner core's both ends all are equipped with the electrode slice, the cap is all installed at battery case's both ends, battery case is close to the inner wall of its both ends department and is equipped with the internal thread, the outer wall of cap with interior screw-thread fit threaded connection, battery case's both ends are equipped with the groove platform, be equipped with the sealing washer in the groove platform, the inside of cap is equipped with the connection electric piece that extends to its outside, the inside of cap is equipped with and connects the conducting resin that the electric piece is connected, conducting resin with the electrode slice contact, the outside of cap is equipped with the boss.

Preferably, the battery case and the cap are made of an insulating and heat-conductive material.

Preferably, the reinforcing ribs are distributed around the axis of the battery shell.

Preferably, the inner wall of the battery shell is fixed with reinforcing ribs which are distributed.

The utility model provides a cylindrical energy storage battery. The method has the following beneficial effects:

according to the cylindrical energy storage battery provided by the utility model, the two ends of the battery are fixed through the matching of the outer wall of the cap and the internal thread of the battery shell through threaded connection, the sealing ring is arranged in the groove table of the battery shell to carry out waterproof treatment on the interior of the battery shell, the sealing ring is tightly pressed through the boss on the side edge of the cap after the cap is screwed, the sealing efficiency is improved, the electric connection piece extending to the outer side of the cap is arranged in the cap, the conductive adhesive connected with the electric connection piece is arranged in the cap, the electric connection design mode that the conductive adhesive is in contact with the electrode piece is convenient to conduct electricity through the contact of the conductive adhesive and the electrode piece, the electric conduction contact is better, and the situation that the electric connection contact is unstable due to the fact that the electric connection piece is directly in contact with the electrode piece is avoided.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A of the present invention.

In the figure: the battery comprises a cap 1, a battery shell 2, a battery inner core 3, an electrode plate 4, an electric connecting plate 5, conductive adhesive 6, a reinforcing rib 7, an internal thread 8, a boss 9, a groove table 10 and a sealing ring 11.

Detailed Description

The utility model is further described with reference to the following drawings and detailed description:

in the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-2, a cylindrical energy storage battery comprises a cap 1, a battery case 2, a battery core 3, electrode plates 4, electric connection plates 5, conductive adhesives 6, reinforcing ribs 7, internal threads 8, bosses 9, groove platforms 10 and sealing rings 11, and is characterized in that the battery core 3 is arranged inside the battery case 2, the electrode plates 4 are arranged at two ends of the battery core 3, the cap 1 is arranged at two ends of the battery case 2, the internal threads 8 are arranged on the inner wall of the battery case 2 close to the two ends of the battery case 2, the outer wall of the cap 1 is in threaded connection with the internal threads 8 in a matching manner, the groove platforms 10 are arranged at two ends of the battery case 2, the sealing rings 11 are arranged in the groove platforms 10, the electric connection plates 5 extending to the outer side of the cap 1 are arranged inside the cap 1, the conductive adhesives 6 connected with the electric connection plates 5 are arranged inside the cap 1, and the conductive adhesives 6 are in contact with the electrode plates 4, the outer side of the cap 1 is provided with a boss 9.

With the above-described aspect of the present invention, the battery case 2 and the cap 1 are both made of an insulating and thermally conductive material.

Through the scheme of the utility model, the inner wall of the battery shell 2 is fixedly provided with the distributed reinforcing ribs 7 for carrying out explosion-proof protection.

Through the scheme of the utility model, the reinforcing ribs 7 are distributed around the axis of the battery shell 2.

Specifically, the outer wall of cap 1 is fixed to the both ends of battery with 2 interior screw-thread fit threaded connection of battery case, be equipped with sealing washer 11 in the groove platform 10 through battery case and carry out water repellent treatment to battery case 2 inside, boss 9 through its side after cap 1 is screwed compresses tightly sealing washer 11, improve sealed efficiency, it extends to the electric contact piece 5 in its outside to be equipped with through the inside at cap 1, be equipped with the conducting resin 6 of being connected with electric contact piece 5 in the inside of cap 1, such electricity design mode of connecing of conducting resin 6 and electrode slice 4 contact is convenient for electrically conduct through conducting resin 6 and inside electrode slice 4 contact, electrically conductive contact is better, avoid connecting electric contact piece 5 directly to lead to connecing the unstable condition of electric contact to take place with electrode slice 4 contact.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cylindrical energy storage battery comprises a cap (1), a battery shell (2), a battery inner core (3), electrode plates (4), power connection plates (5), conductive adhesive (6), reinforcing ribs (7), internal threads (8), bosses (9), groove platforms (10) and sealing rings (11), and is characterized in that the battery inner core (3) is arranged inside the battery shell (2), the electrode plates (4) are arranged at two ends of the battery inner core (3), the cap (1) is arranged at two ends of the battery shell (2), the internal threads (8) are arranged on the inner wall, close to the two ends of the battery shell (2), the outer wall of the cap (1) is in threaded connection with the internal threads (8) in a matching mode, the groove platforms (10) are arranged at two ends of the battery shell (2), the sealing rings (11) are arranged in the groove platforms (10), the power connection plates (5) extending to the outer side of the cap (1) are arranged inside the cap (1), the novel electric connector is characterized in that conductive adhesive (6) connected with an electric connecting piece (5) is arranged inside the cap (1), the conductive adhesive (6) is in contact with the electrode piece (4), and a boss (9) is arranged on the outer side of the cap (1).

2. A cylindrical energy storage battery according to claim 1, characterized in that: the battery shell (2) and the cap (1) are both made of insulating heat conducting materials.

3. A cylindrical energy storage battery according to claim 1, characterized in that: and reinforcing ribs (7) which are distributed are fixed on the inner wall of the battery shell (2).

4. A cylindrical energy storage battery according to claim 1, characterized in that: the reinforcing ribs (7) are distributed around the axis of the battery shell (2).