CN212783601U - Small column type micro battery and shell thereof - Google Patents

Abstract

The utility model discloses a shell of little post type microbattery, the shell of little post type microbattery include: the battery comprises a first pole shell made of a conductive material and a second pole shell made of a conductive material, wherein a positioning step for positioning the second pole shell is arranged at the edge of the inner side wall of the first pole shell, an insulating part for insulating the first pole shell from the second pole shell is arranged on the second pole shell, the edge of the second pole shell is embedded into the insulating part, a flanging for locking the second pole shell on the first pole shell is arranged at the upper end of the first pole shell, and an accommodating groove for accommodating a battery cell is arranged between the first pole shell and the second pole shell; through being equipped with the location step at the edge of first utmost point shell inside wall, will through location step and turn-ups with the locking of second utmost point shell on first utmost point shell, adopt this kind of structure, can improve the holding tank along axial and radial size under the condition of equal overall dimension, improve the volume of holding tank, and then increase the volume of electric core, improve battery capacity.

Description

Small column type micro battery and shell thereof

[ technical field ] A method for producing a semiconductor device

The utility model relates to a little post type microbattery's shell, the utility model discloses still relate to a little post type microbattery.

[ background of the invention ]

The shell of the existing small column type micro battery is connected together in a mode of nesting two polar shells (similar to a mode that two pen containers which are one large and one small are buckled with each other), and the battery core is positioned between the two polar shells.

The utility model discloses it is not enough to solve prior art and research and propose promptly.

[ Utility model ] content

In order to solve the technical problem, the utility model discloses a little shell of post type microbattery, the little shell of post type microbattery include: adopt the first polar shell that conducting material made and the second polar shell that adopts conducting material to make, the edge of first polar shell inside wall be equipped with the location step that is used for fixing a position the second polar shell, be equipped with the insulating part that makes between first polar shell and the second polar shell on the second polar shell, the edge embedding insulating part of second polar shell in, the upper end of first polar shell be equipped with and be used for locking the turn-ups of second polar shell on first polar shell, first polar shell and second polar shell between be equipped with the holding tank that is used for holding electric core.

The first pole shell, the second pole shell and the insulating part are of a revolving body structure.

The second pole shell comprises an annular connecting edge and a disc part protruding out of the annular connecting edge, and the annular connecting edge is connected to the positioning step.

According to the housing of the small column type micro battery, the section of the insulating part is in a C shape, and the annular connecting edge is embedded in the insulating part.

The housing of the pillar-type micro-battery is characterized in that the diameter of the first pole shell is L, wherein L satisfies the following conditions: l is more than or equal to 5mm and less than or equal to 7 mm.

The housing of the pillar-type micro-battery is characterized in that the height of the first pole shell is H, wherein H satisfies: h is more than or equal to 5mm and less than or equal to 7 mm.

The utility model discloses a little post type microbattery, the battery contain the shell of foretell little post type microbattery, the shell of little post type microbattery in be equipped with the electric core of being connected with first polar shell and second polar shell electricity.

Compared with the prior art, the utility model has the advantages of as follows:

1. the utility model discloses a battery case is equipped with the location step through the edge at first utmost point shell inside wall, will lock the second utmost point shell on first utmost point shell through location step and turn-ups, adopts this kind of structure, can improve the holding tank along axial and radial size under the condition of equal overall dimension, improves the volume of holding tank, and then increases the volume of electric core, improves battery capacity.

[ description of the drawings ]

The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of a housing of a pillar-type micro battery according to the present invention;

fig. 2 is a side view of the housing of the pillar-type micro battery of the present invention;

fig. 3 is a three-dimensional cross-sectional view of the housing of the pillar-type micro battery of the present invention.

[ detailed description ] embodiments

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to fig. 3, a housing 1 of a pillar-type micro battery of the present embodiment includes: adopt first utmost point shell 11 that conducting material made and the second utmost point shell 12 that adopts conducting material to make, the edge of the inside wall of first utmost point shell 11 be equipped with the location step 111 that is used for fixing a position second utmost point shell 12, be equipped with on the second utmost point shell 12 and make insulating insulator 13 between first utmost point shell 11 and the second utmost point shell 12, the edge embedding insulator 13 of second utmost point shell 12 in, the upper end of first utmost point shell 11 be equipped with and be used for connecting turn-ups 112 on first utmost point shell 11 with second utmost point shell 12, first utmost point shell 11 and second utmost point shell 12 between be equipped with the holding tank 103 that is used for holding electric core. The utility model discloses a battery case is equipped with the location step through the edge at first utmost point shell inside wall, will lock the second utmost point shell on first utmost point shell through location step and turn-ups, adopts this kind of structure, can improve the holding tank along axial and radial size under the condition of equal overall dimension, improves the volume of holding tank, and then increases the volume of electric core, improves battery capacity.

In the present embodiment, the first pole piece 11, the second pole piece 12, and the insulator 13 are of a solid-of-revolution structure.

In this embodiment, the second pole shell 12 includes an annular connecting edge 121 and a circular disk portion 122 protruding from the annular connecting edge 121, and the annular connecting edge 121 is connected to the positioning step 111.

In order to improve the covering capacity of the insulating element, the insulating element 13 has a "C" shaped cross-section, said annular connecting edge 121 being embedded in the insulating element 13.

In this embodiment, the diameter of the first pole shell 11 is L, where L satisfies: l is more than or equal to 5mm and less than or equal to 7 mm; the height of the first pole shell 11 is H, wherein H satisfies: h is more than or equal to 5mm and less than or equal to 7 mm.

The utility model discloses still protect a little post type microbattery, the battery contain above little post type microbattery's shell 1, little post type microbattery's shell 1 in be equipped with the electric core of first polar shell 11 and the 12 electricity of second polar shell and be connected.

The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.

Claims (7)

1. A housing for a pillar micro battery, characterized in that the housing (1) for a pillar micro battery comprises: adopt first utmost point shell (11) that conducting material made and second utmost point shell (12) that adopt conducting material to make, the edge of first utmost point shell (11) inside wall be equipped with location step (111) that are used for fixing a position second utmost point shell (12), be equipped with on second utmost point shell (12) and make insulating insulator (13) between first utmost point shell (11) and second utmost point shell (12), the edge embedding insulator (13) of second utmost point shell (12) in, the upper end of first utmost point shell (11) be equipped with turn-ups (112) that are used for locking second utmost point shell (12) on first utmost point shell (11), first utmost point shell (11) and second utmost point shell (12) between be equipped with holding tank (103) that are used for holding electric core.

2. The housing of the pillar-type micro-battery as claimed in claim 1, wherein the first pole case (11), the second pole case (12) and the insulating member (13) are of a solid of revolution structure.

3. The casing of the small pillar type micro battery as claimed in claim 2, wherein the second pole casing (12) comprises an annular connecting edge (121) and a disk portion (122) protruding from the annular connecting edge (121), the annular connecting edge (121) being connected to the positioning step (111).

4. The casing of the small cylindrical micro-battery as claimed in claim 3, wherein the cross-section of the insulating member (13) is "C" shaped, and the annular connecting edge (121) is embedded in the insulating member (13).

5. The housing of a pillar-type micro-battery as claimed in claim 2, wherein said first pole piece (11) has a diameter L, wherein L satisfies: l is more than or equal to 5mm and less than or equal to 7 mm.

6. The housing of a pillar-type micro-battery as claimed in claim 2, wherein the height of the first electrode case (11) is H, wherein H satisfies: h is more than or equal to 5mm and less than or equal to 7 mm.

7. A pillar micro battery, characterized in that the battery comprises a housing (1) of the pillar micro battery according to any one of claims 1 to 6, and a cell electrically connected to the first pole case (11) and the second pole case (12) is arranged in the housing (1) of the pillar micro battery.

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