CN214378642U

CN214378642U - Zinc air button battery case

Info

Publication number: CN214378642U
Application number: CN202120524689.3U
Authority: CN
Inventors: 梁滔; 邓志谦
Original assignee: Dongguan Shengli Battery Industrial Co ltd
Current assignee: Dongguan Shengli Battery Industrial Co ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-10-08
Anticipated expiration: 2031-03-12

Abstract

The utility model discloses a zinc air button battery case, including positive shell, negative pole lid, rubber ring and positive plate, the positive shell sets up for bowl type structure, positive shell diapire is equipped with the bleeder vent and evenly is equipped with the multiunit, the positive plate is located the interior diapire of positive shell, the negative pole lid passes through the rubber ring joint in positive shell, the rubber ring diapire contacts with the positive plate. The utility model belongs to the technical field of electronic components, specifically indicate a zinc air button battery case of improvement battery leak resistance performance.

Description

Zinc air button battery case

Technical Field

The utility model belongs to the technical field of electronic components, specifically indicate a zinc air button battery case.

Background

The button cell generally comprises a shell composed of two shell halves, namely a cell cup generally formed in a bowl-shaped form and a cell cover generally formed in a bowl-shaped form, and a sealing ring is assembled at the same time, but the tangent plane part at the bottom edge of the existing sealing ring is designed to be a right angle, after the cell is assembled, after the sealing ring is pressed downwards by a negative pole cover, the bottom edge of the sealing ring and the notch position of the negative pole cover form an outwards-opened shape, the contact area of the sealing ring and a positive pole plate is reduced, and the leakage resistance of the cell is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an improve zinc air button battery case of resistant hourglass performance of battery.

In order to realize the above functions, the utility model discloses the technical scheme who takes as follows: a zinc-air button battery case comprises a positive electrode case, a negative electrode cover, a rubber ring and a positive electrode plate, wherein the positive electrode case is of a bowl-shaped structure, the bottom wall of the positive electrode case is provided with air holes, multiple groups of air holes are uniformly formed in the bottom wall of the positive electrode case, the positive electrode plate is arranged on the inner bottom wall of the positive electrode case, the negative electrode cover is clamped on the positive electrode case through the rubber ring, and the bottom wall of the rubber ring is in contact with the positive electrode plate; the rubber ring comprises a first bottom part, a second bottom part, a first connecting part, a second connecting part, a third connecting part and a convex part, wherein the top wall of the positive plate is tightly attached to the bottom wall of the first bottom part, the first bottom part is arranged in a rectangular structure, the two side walls of the bottom part are arranged on the side wall of the first bottom part and the top wall of the bottom part and are flush with the top wall of the first bottom part, the second bottom part is arranged in a right-angled trapezoid structure, the bevel edge of the second bottom part is close to the positive plate, the top wall of the first bottom part and the top wall of the second bottom part are arranged in the convex part, the top wall of the second bottom part is arranged in the bottom part of the connecting part, the top end of the second connecting part is arranged in the top end of the first connecting part, and the two ends of the bottom part of the negative electrode cover are clamped in a gap formed by the first connecting part and the convex part.

Furthermore, the convex part is arranged in a right-angle trapezoidal structure, and the bevel edge is close to the first connecting part.

Furthermore, the included angle between the first connecting part and the second connecting part is larger than 90 degrees, so that loose fit is formed among the positive electrode shell, the negative electrode cover and the rubber ring, and internal pressure generated on a battery negative electrode during sealing can be avoided, and electrolyte is leaked.

Further, the thickness of the positive electrode shell is 0.15 mm.

Furthermore, the air holes are provided with three groups and arranged in a triangular row.

Further, the positive plate sets up and is equipped with four layers for range upon range of formula structure, the positive plate includes diaphragm, electrically conductive nickel net, the anodal powder of catalysis layer and polytetrafluoroethylene ventilated membrane, the anodal powder of catalysis layer, electrically conductive nickel net and diaphragm from the bottom up arrange in proper order.

The utility model adopts the above structure to gain beneficial effect as follows: the utility model provides a pair of zinc air button battery case easy operation, the mechanism is compact, and reasonable in design, the design of the non-right angle in rubber ring base, after the equipment battery, the rubber ring receives behind the decurrent pressure of negative pole lid, the bottom one of rubber ring, two bottom can not form "outwards open" shape under the effect of negative pole lid bottom tension, two bottom and positive plate contact are good, area of contact is big, the resistant hourglass performance of battery has been improved, form the loose fit between the positive plate shell of bowl type and negative pole lid and the rubber ring in addition, press in producing the negative pole when avoiding sealing, lead to electrolyte to ooze.

Drawings

Fig. 1 is a schematic view of the overall structure of a zinc-air button battery case of the present invention;

fig. 2 is a schematic structural view of a rubber ring of a zinc-air button battery case according to the present invention;

fig. 3 is a schematic structural view of a positive electrode shell of a zinc-air button battery shell according to the present invention;

fig. 4 is a schematic bottom view of the positive electrode case of the zinc-air button battery case of the present invention;

fig. 5 is an assembled effect diagram of the zinc-air button battery case of the present invention;

fig. 6 is a schematic structural view of the positive plate of the battery case of the zinc-air button of the present invention.

The composite material comprises a positive electrode shell 1, a negative electrode cover 2, a negative electrode cover 3, a rubber ring 4, a positive electrode plate 5, air holes 6, a first bottom part, a second bottom part, 8, a first connecting part, 9, a second connecting part, 10, a third connecting part, 11, a convex part 12, a diaphragm 13, a conductive nickel net 14, catalytic layer positive electrode powder 15 and a polytetrafluoroethylene breathable film.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-6, the utility model relates to a zinc-air button battery case, which comprises a positive shell 1, a negative cover 2, a rubber ring 3 and a positive plate 4, wherein the positive shell 1 is in a bowl-shaped structure, the bottom wall of the positive shell 1 is provided with a plurality of groups of air holes 5, the positive plate 4 is arranged on the inner bottom wall of the positive shell 1, the negative cover 2 is clamped on the positive shell 1 through the rubber ring 3, and the bottom wall of the rubber ring 3 is in contact with the positive plate 4; the rubber ring 3 comprises a first bottom part 6, a second bottom part 7, a first connecting part 8, a second connecting part 9, a third connecting part 10 and a convex part 11, the bottom wall of the first bottom 6 is tightly attached to the top wall of the positive plate 4, the first bottom 6 is arranged in a rectangular structure, the side wall of the second bottom 7 is arranged on the side wall of the first bottom 6, the top wall of the second bottom 7 is level to the top wall of the first bottom 6, the second bottom 7 is arranged in a right-angled trapezoid structure, the bevel edge of the second bottom is close to the positive plate 4, the convex part 11 is arranged on the top wall of the first bottom part 6 and the second bottom part 7, the bottom end of the first connecting part 8 is arranged on the top wall of the second bottom part 7 far away from the convex part 11, the bottom end of the second connecting part 9 is obliquely arranged at the top end of the first connecting part 8, the top of the second connecting part 9 props against the inner side wall of the positive electrode shell 1, the bottom end of the third connecting part 10 is arranged at the top end of the second connecting part 9, and two ends of the bottom of the negative electrode cover 2 are clamped in a gap formed by the first connecting part 8 and the convex part 11.

The convex part 11 is arranged in a right-angle trapezoidal structure, and the bevel edge is close to the first connecting part 8.

The included angle between the first connecting part 8 and the second connecting part 9 is larger than 90 degrees.

The thickness of the positive electrode shell 1 is 0.15 mm.

The air holes 5 are provided with three groups and arranged in a triangular row.

The positive plate is the setting of range upon range of formula structure and is equipped with four layers, positive plate 4 includes diaphragm 12, electrically conductive nickel net 13, the anodal powder 14 of catalysis layer and polytetrafluoroethylene ventilated membrane 15, the anodal powder 14 of catalysis layer, electrically conductive nickel net 13 and diaphragm 12 are arranged from supreme down in proper order.

During the specific use, 3 base non-right angle designs of rubber ring, after the equipment battery, rubber ring 3 receives 2 decurrent pressure backs of negative pole lid, bottom one 6 of rubber ring 3, two 7 in bottom can not form "outwards open" shape under the effect of 2 bottom tension of negative pole lid, draw in to the inboard on the contrary, thereby closely laminating fixedly to the battery, two 7 in bottom and positive plate 4 contact well, area of contact is big, the resistant hourglass performance of battery has been improved, form the loose fit between the anodal shell 1 of bowl type and negative pole lid 2 and the rubber ring 3 in addition, press in the negative pole production when avoiding sealing, lead to electrolyte to ooze.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a zinc air button battery case which characterized in that: the air-permeable positive plate comprises a positive plate shell, a negative plate cover, a rubber ring and a positive plate, wherein the positive plate shell is arranged in a bowl-shaped structure, the bottom wall of the positive plate shell is provided with air vents, a plurality of groups of air vents are uniformly arranged, the positive plate is arranged on the inner bottom wall of the positive plate shell, the negative plate cover is clamped on the positive plate shell through the rubber ring, and the bottom wall of the rubber ring is contacted with the positive plate; the rubber ring comprises a first bottom part, a second bottom part, a first connecting part, a second connecting part, a third connecting part and a convex part, wherein the top wall of the positive plate is tightly attached to the bottom wall of the first bottom part, the first bottom part is arranged in a rectangular structure, the two side walls of the bottom part are arranged on the side wall of the first bottom part and the top wall of the bottom part and are flush with the top wall of the first bottom part, the second bottom part is arranged in a right-angled trapezoid structure, the bevel edge of the second bottom part is close to the positive plate, the top wall of the first bottom part and the top wall of the second bottom part are arranged in the convex part, the top wall of the second bottom part is arranged in the bottom part of the connecting part, the top end of the second connecting part is arranged in the top end of the first connecting part, and the two ends of the bottom part of the negative electrode cover are clamped in a gap formed by the first connecting part and the convex part.

2. The battery case for zinc-air buttons of claim 1, wherein: the convex part is arranged in a right-angle trapezoidal structure, and the bevel edge is close to the first connecting part.

3. The battery case for zinc-air buttons of claim 1, wherein: the included angle between the first connecting part and the second connecting part is larger than 90 degrees.

4. The battery case for zinc-air buttons of claim 1, wherein: the thickness of the positive electrode shell is 0.15 mm.

5. The battery case for zinc-air buttons of claim 1, wherein: the air holes are provided with three groups and are arranged in a triangular row.

6. The battery case for zinc-air buttons of claim 1, wherein: the positive plate sets up and is equipped with the four layers for range upon range of formula structure, the positive plate includes diaphragm, electrically conductive nickel net, the anodal powder of catalysis layer and polytetrafluoroethylene ventilated membrane, the anodal powder of catalysis layer, electrically conductive nickel net and diaphragm from the bottom up arrange in proper order.