CN218919228U

CN218919228U - Battery with anode and cathode at same end

Info

Publication number: CN218919228U
Application number: CN202223151806.XU
Authority: CN
Inventors: 张健
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-04-25
Anticipated expiration: 2032-11-23

Abstract

The utility model describes a battery with positive and negative electrodes at the same end, a shell; an output end cover, which is covered at one end of the shell; the output shaft is arranged in the shell and penetrates through the output end cover; the battery winding core is arranged in the shell and is wound on the output shaft, the output end cover is electrically connected with the first electrode of the battery winding core, and the output shaft is electrically connected with the second electrode of the battery winding core. Therefore, the battery with the same positive and negative electrodes has the advantages of simple structure, low production and manufacturing cost, and convenient use, and the conductive structure of the electronic product only needs to be correspondingly contacted with the output end cover and the output shaft during use.

Description

Battery with anode and cathode at same end

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery with positive and negative electrodes at the same end.

Background

Batteries generally refer to small devices capable of generating electric energy, are convenient to use, and are widely applied to modern social life. With the development of the electronics industry, the structure of the battery is also constantly being optimized.

The battery has a positive electrode and a negative electrode, and the positive electrode and the negative electrode are respectively arranged at two ends of the battery. In the prior art, some batteries with positive and negative electrodes arranged at the same end, such as a terminal for arranging positive and negative electrodes at the same end of a battery in Chinese patent publication No. CN217507588U, the positive and negative electrodes of the battery are arranged at the same end by adding a circuit board, the whole structure is complex, and the production and manufacturing costs are high.

Disclosure of Invention

In view of the above-mentioned conventional situation, an object of the present utility model is to provide a battery having a positive electrode and a negative electrode at the same end, which has a simple structure and is convenient to use, and which can reduce the cost of production and manufacture.

To this end, the present utility model provides a battery having positive and negative electrodes at the same end, comprising: a housing; an output end cover, which is covered at one end of the shell; the output shaft is arranged in the shell and penetrates through the output end cover; the battery winding core is arranged in the shell and is wound on the output shaft, the output end cover is electrically connected with the first electrode of the battery winding core, and the output shaft is electrically connected with the second electrode of the battery winding core.

In the battery with the same positive and negative electrodes and the same ends, optionally, the output shaft is hollow, the inner wall of the output shaft is provided with internal threads, and the part of the output shaft protruding outside the output end cover is provided with external threads.

In the battery with the same positive and negative electrodes, a first sealing element is arranged between the output end cover and the shell.

In the battery with the same positive and negative electrodes, optionally, a limiting part is arranged at one end of the shell towards the output end cover, and the limiting part extends towards the direction of the output shaft.

In the battery with the same positive and negative electrodes, a second sealing element is arranged between the output end cover and the output shaft.

In the battery with the same positive and negative electrodes, the output shaft is provided with a groove, and one end of the second sealing element is accommodated in the groove.

In the battery with the same positive and negative electrodes, the first electrode is a positive electrode, and the second electrode is a negative electrode.

In the battery with the same positive and negative electrodes, the utility model also comprises a negative electrode nickel plate, wherein the negative electrode nickel plate is arranged at one end of the battery winding core far away from the output end cover and is respectively and electrically connected with the output shaft and the negative electrode plate.

In the battery with the same positive and negative ends, optionally, a third sealing element is further arranged at one end of the negative nickel plate, which is far away from the battery winding core.

In the battery with the same positive and negative electrodes according to the present utility model, the case is optionally made of steel.

In the utility model, compared with the traditional battery with different ends of positive and negative electrodes, the battery with the same end of the positive and negative electrodes has smaller volume. In addition, the battery at the same end of the positive electrode and the negative electrode is respectively connected with the first electrode and the second electrode of the battery winding core through the output end cover and the output shaft, so that the battery at the same end of the positive electrode and the negative electrode can fully utilize the structure of the battery to finish the transmission of electric quantity. Therefore, the battery with the same positive and negative electrodes has the advantages of simple structure, low production and manufacturing cost, and convenient use, and the conductive structure of the electronic product only needs to be correspondingly contacted with the output end cover and the output shaft during use.

Drawings

Embodiments of the utility model will now be explained in further detail by way of example only with reference to the accompanying drawings, in which:

fig. 1 is a schematic view showing the overall structure of a battery of the same end of the positive and negative electrodes according to the present utility model.

Fig. 2 is a cross-sectional view showing a battery of the same end as the positive and negative electrodes according to the present utility model.

Fig. 3 is an exploded view showing a battery having the same positive and negative electrodes according to the present utility model.

Reference numerals: 1. a housing; 11. a limit part; 2. an output shaft; 3. an output end cap; 4. a battery winding core; 5. a first seal; 6. a negative electrode nickel sheet; 7. a second seal; 8. and a third seal.

Detailed Description

Hereinafter, preferred embodiments of the present utility model will be described in detail with reference to the accompanying drawings. In the following description, the same members are denoted by the same reference numerals, and overlapping description thereof is omitted. In addition, the drawings are schematic, and the ratio of the sizes of the components to each other, the shapes of the components, and the like may be different from actual ones.

Fig. 1 is a schematic view showing the overall structure of a battery of the same end of the positive and negative electrodes according to the present utility model. Fig. 2 is a cross-sectional view showing a battery of the same end as the positive and negative electrodes according to the present utility model. Fig. 3 is an exploded view showing a battery having the same positive and negative electrodes according to the present utility model.

Referring to fig. 1 and 2, the battery of the same end as the positive electrode and the negative electrode according to the present utility model includes: a housing 1; an output end cover 3 provided at one end of the housing 1; an output shaft 2 provided in the housing 1 and penetrating the output end cover 3; the battery winding core 4 is arranged in the shell 1 and is wound on the output shaft 2, the output end cover 3 is electrically connected with the first electrode of the battery winding core 4, and the output shaft 2 is electrically connected with the second electrode of the battery winding core 4.

In the utility model, compared with the traditional battery with different ends of positive and negative electrodes, the battery with the same end of the positive and negative electrodes has smaller volume. In addition, the battery at the same end of the positive electrode and the negative electrode is respectively connected with the first electrode and the second electrode of the battery winding core 4 through the output end cover 3 and the output shaft 2, so that the battery at the same end of the positive electrode and the negative electrode can fully utilize the structure of the battery at the same end of the positive electrode and the negative electrode to complete the transmission of electric quantity. When the electronic product is used, the conductive structure of the electronic product only needs to be correspondingly contacted with the output end cover and the output shaft, and the electronic product is convenient to use.

In the present embodiment, the output end cover 3 and the output shaft 2 are both made of a conductive metal material. Specifically, copper may be used, so that the output end cap 3 and the output shaft 2 can have good electrical conductivity.

In general, a conventional battery is manufactured by winding a pole group around a winding shaft to form a battery winding core 4, and then drawing the winding shaft out after winding. In this embodiment, when the battery with the same positive and negative electrodes is manufactured, the electrode group is wound on the output shaft 2 to form the battery winding core 4, the output shaft 2 is kept inside the battery winding core 4, and the output shaft 2 can be welded with the second electrode of the battery with the same positive and negative electrodes through the metal sheet, so that the output shaft 2 can have the function of outputting current, the battery winding core 4 is supported by the output shaft 2, and the stability of the battery winding core 4 is improved, so that the battery winding core is not easy to loosen. In addition, the output end cap 3 may be electrically connected to the first electrode through a metal sheet.

In this embodiment, the output shaft 2 is hollow, the inner wall of the output shaft 2 is provided with internal threads, and the portion of the output shaft 2 protruding outside the output end cover 3 is provided with external threads. Therefore, the batteries at the same end of the anode and the cathode can be in threaded connection with the conductive structure of the electronic product, so that the electric connection with the electronic product is more stable and reliable. Specifically, the conductive structure of the electronic product may be connected with the internal thread of the output shaft 2, or may be connected with the external thread.

In the present embodiment, a first seal 5 is further provided between the output cap 3 and the housing 1. In particular, the first seal 5 may be provided with a ring around the edge of the output end cap 3. Thus, the first seal 5 is provided to prevent the electrolyte in the case 1 from leaking out.

In the present embodiment, the housing 1 is provided with a stopper 11 at one end thereof facing the output cap 3, and the stopper 11 extends in the direction of the output shaft 2. In this way, the stopper 11 can fix the battery core 4 more favorably.

Referring to fig. 2, in the present embodiment, a second seal 7 is provided between the output end cover 3 and the output shaft 2. Furthermore, the output shaft 2 is externally provided with a groove in which one end of the second seal 7 is accommodated. In this way, the output end cover 3 is isolated from the output shaft 2 by the second sealing member 7, and one end of the second sealing member 7 is accommodated in the groove to play a limiting role.

In this embodiment, the first electrode is a positive electrode, and the second electrode is a negative electrode. In some examples, the first electrode may be a negative electrode, and the second electrode may be a positive electrode, which may be set by the customer according to actual needs.

In this embodiment, the battery pack further includes a negative nickel plate 6, where the negative nickel plate 6 is disposed at one end of the battery winding core 4 away from the output end cover and is electrically connected with the output shaft and the negative electrode plate respectively, and specifically, the connection may be achieved through a metal plate.

In this embodiment, a third sealing member is further disposed at the end of the negative nickel sheet 6 away from the battery winding core 4, so that the third sealing member 8 separates the negative nickel sheet 6 from the battery winding core 4.

In the present embodiment, the first seal 5, the second seal 7, and the third seal 8 are each made of an insulating material, and specifically, may be made of a rubber material. On the one hand, the first sealing element 5, the second sealing element 7 and the third sealing element 8 can play an insulating effect, and on the other hand, the first sealing element 7 and the second sealing element 7 which are made of rubber can have good sealing performance and also resist high temperature, so that the safety is higher.

In the present embodiment, the housing 1 is made of steel, whereby the housing 1 is stronger and has a long service life.

In the utility model, compared with the traditional battery with different ends of positive and negative electrodes, the battery with the same end of the positive and negative electrodes has smaller volume. In addition, the battery at the same end of the positive electrode and the negative electrode is respectively connected with the first electrode and the second electrode of the battery winding core 4 through the output end cover 3 and the output shaft 2, so that the battery at the same end of the positive electrode and the negative electrode can fully utilize the structure of the battery at the same end of the positive electrode and the negative electrode to complete the transmission of electric quantity. Therefore, the battery with the same positive and negative electrodes has the advantages of simple structure, low production and manufacturing cost, and convenient use, and the conductive structure of the electronic product only needs to be correspondingly contacted with the output end cover 3 and the output shaft 2 during use.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

While the utility model has been described in detail in connection with the drawings and embodiments, it should be understood that the foregoing description is not intended to limit the utility model in any way. Modifications and variations of the utility model may be made as desired by those skilled in the art without departing from the true spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model.

Claims

1. A battery having a positive electrode and a negative electrode at the same end, comprising:

a housing;

an output end cover, which is covered at one end of the shell;

the output shaft is arranged in the shell and penetrates through the output end cover;

the battery winding core is arranged in the shell and is wound on the output shaft, the output end cover is electrically connected with the first electrode of the battery winding core, and the output shaft is electrically connected with the second electrode of the battery winding core.

2. The battery with the same positive and negative electrodes as the battery according to claim 1, wherein the output shaft is hollow, an inner wall of the output shaft is provided with an inner thread, and a part of the output shaft protruding outside the output end cover is provided with an outer thread.

3. The positive and negative electrode same-end battery according to claim 1, wherein a first seal is further provided between the output end cap and the case.

4. A battery with the same positive and negative electrodes as in claim 3 wherein the housing is provided with a limit portion toward one end of the output end cap, the limit portion extending toward the output shaft.

5. The positive and negative electrode same-end battery according to claim 1, wherein a second seal is provided between the output end cap and the output shaft.

6. The battery of claim 5, wherein the output shaft is provided with a groove on the outside, and one end of the second sealing member is accommodated in the groove.

7. The positive and negative electrode same-end battery according to claim 1, wherein the first electrode is a positive electrode and the second electrode is a negative electrode.

8. The battery of claim 1, further comprising a negative nickel plate disposed at an end of the battery winding core remote from the output end cap and electrically connected to the output shaft and the negative electrode plate, respectively.

9. The battery of claim 8, wherein a third seal is further provided at an end of the negative nickel tab remote from the battery cell.

10. The battery of claim 1, wherein the case is made of steel.