Soft package key battery

Abstract

The utility model discloses a soft package key battery, which comprises a pole core and a soft package shell wrapped on the outer side of the pole core, the soft package shell is provided with a first tab wire and a second tab wire which are led out from the pole core and have different polarities, the soft package shell is provided with a fixed column, and the fixed column is connected with the first tab wire and the second tab wire. The first tab line and the second tab line are fixedly connected with a first tab cap and a second tab cap respectively, and the first tab cap and the second tab cap are buckled on the fixing column, so that the first tab line and the second tab line are fixed. According to the device disclosed by the invention, the tab cap is arranged on the key battery, the tab led out from the pole core is set to be an extensible linear tab and is fixedly connected with the tab cap, and the tab cap is buckled on the soft package shell of the key battery, so that the problem that the use of the soft package key battery is influenced due to the fact that the tab is pulled away from the pole core when the traditional tab is exposed outside the soft package shell is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to soft pack key battery technical field, concretely relates to soft pack key battery. BACKGROUND

[0002] Key battery (also known as button battery or button cell) is a kind of small battery, it is usually used to supply low-power equipment and small electronic products, such as watch, calculator, toy, laser pen etc. Key battery adopts the circular design of thin metal shell on cover, and is divided into different specifications and models, such as CR2032, LR44, AG13 etc. They usually use zinc oxide or silver-zinc oxide chemical reaction to generate electric energy.

[0003] At present, the soft pack button battery tab on the market is mainly negative nickel tab matched with positive aluminum nickel tab, and after the positive tab and the negative tab are led out, they are directly placed on the button battery, in the process of transportation or use, due to some external force, the tab is pulled off, which affects the use of soft pack button battery. SUMMARY

[0004] In view of the above defects or deficiencies in the prior art, it is desirable to provide a soft pack key battery.

[0005] According to the technical scheme provided by the embodiment of the application, the soft pack key battery comprises a core and a soft package shell wrapped outside the core, two first tab wires and second tab wires of different polarities are arranged on the soft package shell and led out from the core, a fixing column is arranged on the soft package shell, the first tab wire and the second tab wire are respectively fixedly connected with a first tab cap and a second tab cap, and the first tab cap and the second tab cap are buckled on the fixing column to realize the fixation of the first tab wire and the second tab wire.

[0006] Further, the first tab cap and the second tab cap are respectively a positive tab cap made of aluminum material and a negative tab cap made of nickel material, so that the first tab cap and the second tab cap are two connection tabs of different polarities.

[0007] Further, the fixing column is provided with a buckling protrusion, which facilitates the buckling of the first tab cap and the second tab cap.

[0008] Further, the buckling protrusion is a ring-shaped protrusion, which facilitates the buckling of the first tab cap and the second tab cap.

[0009] Further, the first tab cap and the second tab cap are of the same shape, and the first tab cap and the second tab cap are both provided with a tab wire through hole, which facilitates the passing of the first tab wire and the second tab wire.

[0010] Further, the first and second tab lines are of the same shape, the first tab line comprises a straight tab line and a spiral tab line, the straight tab line is drawn from the pole core and connected with the first tab cap through the spiral tab line, and the spiral tab line is arranged in the first tab cap, so that the first and second tab lines are telescopic and convenient to connect.

[0011] To sum up, the beneficial effects of the application are as follows: the device is arranged on the key battery, the tab drawn from the pole core is arranged as a linear tab line which can be extended, and the tab cap is fixedly connected, and the tab cap is buckled on the soft package shell of the key battery, so as to solve the problem that the traditional tab is exposed outside the soft package shell and the tab is pulled away from the pole core, thereby affecting the use of the soft package key battery. BRIEF DESCRIPTION OF DRAWINGS

[0012] Other features, objects and advantages of the application will become more apparent from the following detailed description of non-limiting embodiments with reference to the attached drawings:

[0013] Figure 1 It is a structural schematic diagram of the whole device of the utility model;

[0014] Figure 2 It is a connection structural schematic diagram of the first and second tab caps away from the fixing column of the whole device of the utility model;

[0015] Figure 3 It is a local enlarged structural schematic diagram of the utility model;

[0016] Figure 4 It is a sectional view of the first tab line connected with the first tab cap of the utility model;

[0017] Figure 5 It is a structural schematic diagram of the fixing column of the utility model.

[0018] In the figure, the label is as follows: soft package shell-1; first tab line-2; straight tab line-21; spiral tab line-22; second tab line-3; fixing column-4; buckling protrusion-41; first tab cap-5; tab line through hole-51; second tab cap-6. DETAILED DESCRIPTION

[0019] The application will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related application, and are not limited to the application. In addition, it should be noted that only the parts related to the application are shown in the drawings for convenience of description.

[0020] It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other without conflict. The application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0021] As Figure 1 and Figure 2 shown, the soft shell 1 is wrapped around the outer end surface of the pole core, and the first and second tab lines 2 and 3 are respectively fixedly connected with the first and second tab caps 5 and 6 after being led out from the pole core, and two fixed columns 4 are provided on the upper end surface of the soft shell 1, and the first and second tab caps 5 and 6 can be respectively buckled on the two fixed columns 4,

[0022] As Figure 3 shown, the first tab line 2 is fixedly connected with the first tab cap 5 by passing through the tab line passing hole 51 on the first tab cap 5;

[0023] As Figure 4 shown, one side end of the first tab line 2 is a straight tab line 21, which is fixedly connected with the pole core, and the other end is a spiral tab line 22, which is fixedly connected with the first tab cap 5;

[0024] As Figure 5 shown, a ring-shaped buckling protrusion 41 is provided on the outer side end surface of the fixed column 4.

[0025] In the manufacturing process, the traditional tab sheet is rolled into a long strip, and then the insulating tape is wrapped around the outer end surface of the long strip-shaped tab line, and the spiral wire is wound around one end of the tab line, so that the long strip-shaped tab line has the function of stretching and retracting.

[0026] In use, if it is necessary to stretch the first and second tab lines 2 and 3 to be connected, the first and second tab caps 5 and 6 can be directly buckled off from the fixed columns 4.

[0027] The above description is only the preferred embodiment of the present application and the explanation of the technical principle and other schemes used. Meanwhile, the invention range involved in the present application is not limited to the technical scheme formed by the specific combination of the above technical features, and should also cover other technical schemes formed by the combination of the above technical features or their equivalent features without departing from the invention concept. For example, the technical scheme formed by the mutual replacement of the above features and the technical features disclosed in the present application (but not limited to) having similar functions.

Claims

1. A pouch cell battery, comprising an electrode core and a pouch casing (1) surrounding the electrode core, characterized in that: The soft housing (1) is provided with two first electrode ear wires (2) and second electrode ear wires (3) of different polarities leading out from the electrode core. The soft housing (1) is provided with a fixing post (4). The first electrode ear wire (2) and the second electrode ear wire (3) are respectively fixedly connected to the first electrode ear cap (5) and the second electrode ear cap (6). The first electrode ear cap (5) and the second electrode ear cap (6) are fastened to the fixing post (4) to fix the first electrode ear wire (2) and the second electrode ear wire (3).

2. The soft-pack battery according to claim 1, characterized in that: The first electrode cap (5) and the second electrode cap (6) are respectively a positive electrode cap made of aluminum and a negative electrode cap made of nickel.

3. The soft-pack battery according to claim 1, characterized in that: The fixing post (4) is provided with a fastening protrusion (41).

4. The soft-pack battery according to claim 3, characterized in that: The fastening protrusion (41) is an annular protrusion.

5. The soft-pack battery according to claim 1, characterized in that: The first electrode cap (5) and the second electrode cap (6) have the same shape, and both the first electrode cap (5) and the second electrode cap (6) are provided with electrode wire through holes (51).

6. The soft-pack battery according to claim 5, characterized in that: The first electrode ear wire (2) and the second electrode ear wire (3) have the same shape. The first electrode ear wire (2) includes a straight electrode ear wire (21) and a spiral electrode ear wire (22). The straight electrode ear wire (21) is led out from the electrode core and connected to the first electrode ear cap (5) through the spiral electrode ear wire (22). The spiral electrode ear wire (22) is placed inside the first electrode ear cap (5).

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