CN218334034U

CN218334034U - Novel button cell convenient to wiring

Info

Publication number: CN218334034U
Application number: CN202222307024.4U
Authority: CN
Inventors: 李顺军; 张悦; 杨明富; 鄢德育; 陈海峰
Original assignee: Guizhou Zhongruifengtai New Energy Technology Co ltd
Current assignee: Guizhou Zhongruifengtai New Energy Technology Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-01-17
Anticipated expiration: 2032-08-30

Abstract

The utility model discloses a novel button cell convenient for wiring, which comprises a cell shell, a shell cover, an electrode main body, a cell roll core and a PCB cover plate, wherein the inner side wall of the top of the cell shell is provided with a lap joint table; the middle of the shell cover is provided with a mounting through hole, and an annular groove is arranged around the mounting through hole; the electrode main body comprises an electrode connecting plate and an electrode joint; the electrode connecting plate and the electrode joint are arranged on the shell cover through insulation; an annular protruding ring matched with the annular groove is arranged in the PCB cover plate; the center of the annular convex ring is provided with a positive electrode wiring point; a negative electrode wiring point is arranged on the inner side wall of the PCB cover plate; the top of the PCB cover plate is provided with a positive terminal and a negative terminal; the positive wiring point is electrically connected with the positive wiring terminal; the negative terminal is electrically connected with the negative terminal. The utility model discloses when being connected with equipment, need not to increase the connection piece at the positive negative pole of battery, reduce button cell's thickness and volume, reduce the installation space of service equipment, convenient to use.

Description

Novel button cell convenient to wiring

Technical Field

The utility model belongs to the technical field of the battery technique and specifically relates to a novel button cell convenient to wiring is related to.

Background

Button cells, also commonly referred to as Button cells, refer to a type of battery that resembles a Button in shape. Button cells are generally relatively larger in diameter and relatively thinner in thickness. Because of its small size, button cells are often used in electronic devices with limited internal space, such as electronic watches and bluetooth headsets. When the existing button battery is connected with equipment to be used, such as earphones and other equipment, connecting pieces need to be additionally connected with the positive electrode and the negative electrode of the battery, and the equipment is powered by a mode of connecting wires with the connecting pieces. Therefore, a novel button cell is designed to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a simple structure, convenient to use is convenient for be connected with equipment, reduces the novel button cell of being convenient for the wiring of equipment usage space.

In order to solve the technical problem, the technical scheme of the utility model is that: a novel button battery convenient for wiring comprises a battery shell, a shell cover, an electrode main body, a battery winding core and a PCB cover plate, wherein the battery winding core is arranged in the battery shell, and a lapping table is arranged on the inner side wall of the top of the battery shell; the middle of the shell cover is provided with a mounting through hole, an annular groove is arranged around the mounting through hole, and an insulating material is arranged in the annular groove; the electrode main body comprises an electrode connecting plate and an electrode joint; the electrode joint penetrates out of the mounting through hole, and the electrode connecting plate and the electrode joint are arranged on the shell cover through insulation; the shell cover is fixedly arranged on the lapping table, and an annular protruding ring matched with the annular groove is arranged in the PCB cover plate; the center of the annular convex ring is provided with a positive electrode wiring point; a negative wiring point is arranged on the inner side wall of the PCB cover plate; the top of the PCB cover plate is provided with a positive terminal and a negative terminal; the positive wiring point is electrically connected with the positive wiring terminal; the negative terminal is electrically connected with the negative terminal.

Preferably, the battery roll core comprises a roll core body, a first tab and a second tab; the second tab is electrically connected with the bottom of the battery shell; the first tab is electrically connected with the electrode connecting plate.

Preferably, the first tab is connected with the electrode connecting plate by means of laser spot welding; the second pole lug is connected with the shell cover in a laser spot welding mode.

Preferably, an insulating material is arranged between the electrode connecting plate and the shell cover; and an insulating material is arranged between the electrode joint and the mounting through hole.

Preferably, the battery case and the case cover are connected by laser welding.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model adds the PCB cover plate on the top of the battery shell, when the PCB cover plate is covered on the battery shell, the first pole ear is connected with the positive pole wiring point in the PCB cover plate through the electrode connecting plate, and the positive pole wiring point is communicated with the positive pole binding post through the circuit in the PCB cover plate; the negative pole termination intercommunication on the inside wall of battery case and PCB apron is passed through to the second utmost point ear, and the negative pole termination passes through the inside circuit of PCB apron and negative terminal intercommunication, and final equipment only needs to be connected with positive terminal and negative terminal through the wire, can accomplish the power supply of equipment, for current button cell, need not to add positive negative pole connection piece, effectively reduces the thickness of button cell installation, reduces the usage space of equipment, and the utility model has the advantages of simple structure, convenient to use has greatly improved button cell's convenience.

Drawings

Fig. 1 is a schematic structural view of the novel button battery convenient for wiring according to the present invention;

fig. 2 is the structure explosion diagram of the novel button cell convenient for wiring.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 and 2, the utility model relates to a novel button cell convenient for wiring, which comprises a cell shell 1, a shell cover 2, an electrode main body 3, a cell roll core 4 and a PCB cover plate 5, wherein the cell roll core 4 is installed in the cell shell 1, and a lapping table 11 is arranged on the inner side wall of the top of the cell shell 1; the middle of the shell cover 2 is provided with a mounting through hole 21, an annular groove 22 is arranged around the mounting through hole 21, and an insulating material is arranged in the annular groove 22; the electrode main body 3 includes an electrode connecting plate 31 and an electrode tab 32; the electrode joint 32 penetrates through the mounting through hole 21, and the electrode connecting plate 31 and the electrode joint 32 are both arranged on the shell cover 2 through insulation; the shell cover 2 is fixedly arranged on the lapping table 11, and specifically, the battery shell 1 is connected with the shell cover 2 in a laser welding mode. The structure and the bulletin number are: 217158389U, a square button cell, and the bulletin number: 217214897U, name: a novel button cell casing assembly' has the same structure, and therefore, the structure is not described herein again, and as shown in fig. 2, an annular protruding ring 51 matched with the annular groove 22 is arranged in the PCB cover plate 5; the center of the annular convex ring 51 is provided with a positive electrode wiring point 52; a negative electrode wiring point 53 is arranged on the inner side wall of the PCB cover plate 5; the top of the PCB cover plate 5 is provided with a positive terminal 54 and a negative terminal 55; the positive terminal 52 is electrically connected to a positive terminal post 54; the negative terminal 53 is electrically connected to a negative terminal 55; the PCB cover plate 5 of the utility model is a printed circuit board, a circuit is arranged in the PCB cover plate, the circuit in the PCB cover plate needs to ensure that a positive wiring point 52 is electrically connected with a positive terminal 54, and a negative wiring point 53 is electrically connected with a negative terminal 55; design can as required to all the other circuits, also not the utility model discloses indispensable link, the event need not to be repeated its structure.

The battery roll core 4 of the utility model comprises a roll core body 41, a first pole ear 42 and a second pole ear 43; the second lug 43 is electrically connected with the bottom of the battery case 1; the first tab 42 is electrically connected with the electrode connection plate 31, wherein the first tab 42 is connected with the electrode connection plate 31 by means of laser spot welding; the second tab 43 is connected to the housing cover 2 by means of laser spot welding.

In order to improve the safety of the battery of the utility model, an insulating material is arranged between the electrode connecting plate 31 and the shell cover 2; an insulating material is provided between the electrode tabs 32 and the mounting through-holes 21, so that the short circuit of the battery can be well prevented.

To sum up, the following steps: the utility model adds the PCB cover plate 5 on the top of the battery shell, when the PCB cover plate 5 is covered on the battery shell 1, the first pole ear 42 is connected with the positive pole wiring point 51 in the PCB cover plate 5 through the electrode connecting plate 31, and the positive pole wiring point 51 is communicated with the positive pole binding post 54 through the circuit in the PCB cover plate 5; second utmost point ear 43 communicates through negative pole wiring point 53 on battery case 1 and the inside wall of PCB apron 5, and negative pole wiring point 53 communicates through the inside circuit of PCB apron 5 and negative terminal 55, and final equipment only needs to be connected with positive terminal 54 and negative terminal 55 through the wire, can accomplish the power supply of equipment, for current button cell, need not to add positive negative pole connection piece, effectively reduces the thickness of button cell installation, reduces the usage space of equipment, and the utility model has the advantages of simple structure, convenient to use has greatly improved button cell's convenience.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims. Finally, it should be noted that the contents not described in detail in the specification belong to the prior art known to those skilled in the art, and those skilled in the art can implement the contents without creative efforts, so that the details are not described herein.

Claims

1. A novel button battery convenient for wiring comprises a battery shell (1), a shell cover (2), an electrode main body (3), a battery winding core (4) and a PCB cover plate (5), wherein the battery winding core (4) is installed in the battery shell (1), and a lapping table (11) is arranged on the inner side wall of the top of the battery shell (1); a mounting through hole (21) is formed in the middle of the shell cover (2), an annular groove (22) is formed around the mounting through hole (21), and an insulating material is arranged in the annular groove (22); the electrode main body (3) comprises an electrode connecting plate (31) and an electrode joint (32); the electrode joint (32) penetrates through the mounting through hole (21), and the electrode connecting plate (31) and the electrode joint (32) are arranged on the shell cover (2) in an insulating manner; the shell cover (2) is fixedly arranged on the lapping table (11), and is characterized in that an annular protruding ring (51) matched with the annular groove (22) is arranged in the PCB cover plate (5); the center of the annular protruding ring (51) is provided with a positive electrode wiring point (52); a negative electrode wiring point (53) is arranged on the inner side wall of the PCB cover plate (5); the top of the PCB cover plate (5) is provided with a positive terminal (54) and a negative terminal (55); the positive terminal (52) is electrically connected with a positive terminal post (54); the negative terminal (53) is electrically connected with the negative terminal post (55).

2. The novel button cell convenient for wiring according to claim 1, wherein the cell roll (4) comprises a roll body (41), a first tab (42) and a second tab (43); the second pole lug (43) is electrically connected with the bottom of the battery shell (1); the first tab (42) is electrically connected to the electrode connecting plate (31).

3. The novel button cell facilitating wiring according to claim 2, wherein the first tab (42) is connected to the electrode connecting plate (31) by means of laser spot welding; the second pole lug (43) is connected to the housing cover (2) by means of laser spot welding.

4. The novel button cell convenient for wiring according to claim 1, wherein an insulating material is arranged between the electrode connecting plate (31) and the shell cover (2); and an insulating material is arranged between the electrode joint (32) and the mounting through hole (21).

5. The novel button cell convenient for wiring according to any one of claims 1 to 4, characterized in that the cell case (1) and the case cover (2) are connected by laser welding.