Zinc-manganese dry battery with novel sealing structure

Abstract

The utility model provides a zinc-manganese dry battery with a novel sealing structure. The zinc-manganese dry battery comprises a zinc cylinder, a carbon rod and a positive electrode cap, the carbon rod is inserted into the zinc cylinder; the anode cap is sleeved at the upper end of the carbon rod and is fixed with the carbon rod; the zinc-manganese dry battery further comprises a sealing ring, the sealing ring is fixed at the opening at the upper end of the zinc cylinder and is peripherally sealed with the upper end of the zinc cylinder, and the outer edge of the positive electrode cap is fixed and peripherally sealed with the inner edge of the sealing ring; after the sealing ring is fixed at the upper end of the zinc cylinder, the sealing ring can be prevented from occupying the internal space of the zinc-manganese dry battery, so that the electric capacity of the zinc-manganese dry battery can be increased when the zinc-manganese dry battery is produced, and the discharge performance of the zinc-manganese dry battery is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery technical field, specifically, relate to a zinc manganese dry battery with novel sealing structure. BACKGROUND

[0002] Battery is used for providing electric energy's device, the zinc manganese dry battery on market at present includes zinc cylinder, carbon rod, positive pole cap and sealing ring, carbon rod is inserted in zinc cylinder, sealing ring is nested on carbon rod and inlay in the inside of zinc cylinder, positive pole cap is nested on the upper end of carbon rod and is fixed with carbon rod, in the above-mentioned zinc manganese dry battery structure, because sealing ring is built -in in the inside of zinc cylinder, will occupy the internal space of zinc manganese dry battery, namely will exist the shortcoming that zinc manganese dry battery electric capacity is small. SUMMARY

[0003] The utility model provides a zinc manganese dry battery with novel sealing structure, which can avoid the sealing ring occupying the internal space of the zinc manganese dry battery by fixing the sealing ring on the upper end of the zinc cylinder, thereby increasing the electric capacity of the zinc manganese dry battery during production, and improving the discharge performance of the zinc manganese dry battery.

[0004] The utility model provides a zinc manganese dry battery with novel sealing structure, which can avoid the sealing ring occupying the internal space of the zinc manganese dry battery by fixing the sealing ring on the upper end of the zinc cylinder, thereby increasing the electric capacity of the zinc manganese dry battery during production, and improving the discharge performance of the zinc manganese dry battery.

[0005] The utility model can avoid the sealing ring occupying the internal space of the zinc manganese dry battery by fixing the sealing ring on the upper end of the zinc cylinder, thereby increasing the electric capacity of the zinc manganese dry battery during production, and improving the discharge performance of the zinc manganese dry battery.

[0006] In one possible implementation, the positive pole cap and the carbon rod are fixed by the first sealing glue, and the first sealing glue is circumferentially bonded to the lower end surface of the positive pole cap and the outer side wall of the carbon rod. By adopting this structure, the positive pole cap and the carbon rod can be reliably bonded together by the first sealing glue.

[0007] In one possible implementation, the lower end surface of the positive pole cap is coated with an anti-corrosion coating. By coating the lower end surface of the positive pole cap with an anti-corrosion coating, the electrochemical atmosphere inside the zinc manganese dry battery can be prevented from corroding the positive pole cap, thereby avoiding rusting of the positive pole cap.

[0008] In a possible implementation, the bottom of the inner edge of the sealing ring is provided with an annular groove, the outer edge of the positive electrode cap is embedded in the annular groove, the positive electrode cap is fixed and circumferentially sealed with the sealing ring by the second sealing glue, and the second sealing glue is circumferentially bonded with the upper end surface of the outer edge of the positive electrode cap and the inner top surface of the annular groove. After the structure is used, the inner edge of the sealing ring can be reliably fixed and circumferentially sealed with the outer edge of the positive electrode cap by the second sealing glue, and since the outer edge of the positive electrode cap is embedded in the annular groove, the positioning and limiting of the sealing ring and the positive electrode cap can be achieved when the sealing ring and the positive electrode cap are fixed by the second sealing glue, that is, the fixing of the sealing ring and the positive electrode cap is facilitated, and the reliability of the fixed sealing ring and the positive electrode cap is improved.

[0009] In a possible implementation, the bottom of the outer edge of the sealing ring is provided with an annular slot, the upper end of the zinc cylinder is provided with an annular necking that is gradually inwardly tapered from bottom to top, the upper end of the annular necking is inserted into the annular slot, the upper end of the annular necking and the outer edge of the sealing ring are fixed and circumferentially sealed by the third sealing glue, and the third sealing glue is circumferentially bonded with the outer side wall of the upper end of the annular necking and the inner side wall of the annular slot. After the structure is used, the outer edge of the sealing ring can be reliably fixed and circumferentially sealed with the upper end of the annular necking by the third sealing glue, and since the upper end of the annular necking is inserted into the annular slot, the positioning and limiting of the sealing ring and the annular necking can be achieved when the outer edge of the sealing ring and the upper end of the annular necking are fixed by the third sealing glue, that is, the fixing of the sealing ring and the annular necking is facilitated, and the reliability of the fixed sealing ring and the annular necking is improved. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a partial sectional structure schematic view of the utility model;

[0011] Figure 2 It is Figure 1 It is a structure schematic view of the enlarged A in the middle. DETAILED DESCRIPTION

[0012] First, those skilled in the art should understand that these implementations are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can adjust them as needed in order to adapt to specific application occasions.

[0013] In the description of the embodiments of the present application, it should be noted that unless specifically defined and limited otherwise, the terms "connected", "connected to", "connection" should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0014] In the embodiments of the present application, unless specifically defined and limited otherwise, the first feature is "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature can be "above", "over" and "on" the second feature, which can be that the first feature is directly above or obliquely above the second feature, or only means that the horizontal height of the first feature is higher than that of the second feature. The first feature can be "below", "under" and "under" the second feature, which can be that the first feature is directly below or obliquely below the second feature, or only means that the horizontal height of the first feature is less than that of the second feature.

[0015] The present application will be further described in detail below in conjunction with the drawings and specific embodiments.

[0016] Referring to Figures 1-2 As shown in the drawings, the embodiments of the present application disclose a zinc-manganese dry battery with a new sealing structure, comprising a zinc cylinder 1, a carbon rod 2 and a positive cap 3; the carbon rod 2 is inserted into the zinc cylinder 1, and the positive cap 3 is sleeved on the upper end of the carbon rod 2 and fixed with the carbon rod 2; the zinc-manganese dry battery further comprises a sealing ring 4, which is fixed at the opening of the upper end of the zinc cylinder 1 and is circumferentially sealed with the upper end of the zinc cylinder 1, and the outer edge of the positive cap 3 is fixed and circumferentially sealed with the inner edge of the sealing ring 4.

[0017] The positive cap 3 and the carbon rod 2 are fixed by the first sealing glue 5, and the first sealing glue 5 is circumferentially bonded with the lower end surface of the positive cap 3 and the outer side wall of the carbon rod 2; after adopting this structure, the positive cap and the carbon rod can be reliably bonded and fixed together by the first sealing glue.

[0018] The lower end surface of the positive cap 3 is coated with an anti-corrosion coating; by coating the lower end surface of the positive cap with an anti-corrosion coating, the corrosion of the positive cap caused by the electrolyte atmosphere inside the zinc-manganese dry battery can be avoided, so as to avoid the rusting of the positive cap.

[0019] The bottom of the inner edge of the sealing ring 4 is provided with an annular groove 41, the outer edge of the positive electrode cap 3 is embedded in the annular groove 41, the positive electrode cap 3 is fixed and circumferentially sealed with the sealing ring 4 by the second sealing glue 6, and the second sealing glue 6 is circumferentially bonded to the upper end surface of the outer edge of the positive electrode cap 3 and the inner top surface of the annular groove 41. After adopting this structure, the inner edge of the sealing ring can be reliably bonded and fixed and circumferentially sealed with the outer edge of the positive electrode cap by the second sealing glue, and since the outer edge of the positive electrode cap is embedded in the annular groove, when the sealing ring and the positive electrode cap are bonded and fixed by the second sealing glue, the positioning and limiting of the sealing ring and the positive electrode cap can be achieved, that is, the bonding and fixing of the sealing ring and the positive electrode cap can be facilitated, and the reliability of the bonding and fixing of the sealing ring and the positive electrode cap can be improved.

[0020] The bottom of the outer edge of the sealing ring 4 is provided with an annular slot 42, the upper end of the zinc cylinder 1 is provided with an annular necking 11 which is gradually inwardly tapered from bottom to top, the upper end of the annular necking 11 is inserted into the annular slot 42, the upper end of the annular necking 11 and the outer edge of the sealing ring 4 are bonded and fixed and circumferentially sealed by the third sealing glue 7, and the third sealing glue 7 is circumferentially bonded to the outer side wall of the upper end of the annular necking 11 and the inner side wall of the annular slot 42. After adopting this structure, the outer edge of the sealing ring can be reliably bonded and fixed and circumferentially sealed with the upper end of the annular necking by the third sealing glue, and since the upper end of the annular necking is inserted into the annular slot, when the outer edge of the sealing ring and the upper end of the annular necking are bonded and fixed by the third sealing glue, the positioning and limiting of the sealing ring and the annular necking can be achieved, that is, the bonding and fixing of the sealing ring and the annular necking can be facilitated, and the reliability of the bonding and fixing of the sealing ring and the annular necking can be improved.

[0021] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any changes or replacements within the technical range disclosed in the present application can be easily thought by those skilled in the art, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A zinc-manganese dry battery with a new sealing structure, comprising a zinc cylinder (1), a carbon rod (2) and a positive electrode cap (3); the carbon rod (2) is inserted in the zinc cylinder (1), and the positive electrode cap (3) is sleeved on the upper end of the carbon rod (2) and fixed with the carbon rod (2); characterized in that: The zinc-manganese dry battery further comprises a sealing ring (4) fixed at the opening of the upper end of the zinc cylinder (1) and sealing the upper end of the zinc cylinder (1) in the circumferential direction, and the outer edge of the positive electrode cap (3) is fixed and sealed with the inner edge of the sealing ring (4) in the circumferential direction.

2. The zinc-manganese dry cell having a novel sealing structure according to claim 1, characterized by: The positive electrode cap (3) and the carbon rod (2) are fixed by the first sealing glue (5) in the circumferential direction, and the first sealing glue (5) is bonded with the lower end surface of the positive electrode cap (3) and the outer side wall of the carbon rod (2).

3. The zinc-manganese dry cell having a novel sealing structure according to claim 1 or 2, characterized by: The lower end surface of the positive electrode cap (3) is coated with an anticorrosion coating.

4. The zinc-manganese dry cell having a novel sealing structure according to claim 1, characterized by: The bottom of the inner edge of the sealing ring (4) is provided with an annular groove (41), the outer edge of the positive electrode cap (3) is fitted in the annular groove (41), the positive electrode cap (3) and the sealing ring (4) are fixed by the second sealing glue (6) and sealed in the circumferential direction, and the second sealing glue (6) is bonded with the upper end surface of the outer edge of the positive electrode cap (3) and the inner top surface of the annular groove (41) in the circumferential direction.

5. The zinc-manganese dry cell having a novel sealing structure according to claim 1, characterized by: The bottom of the outer edge of the sealing ring (4) is provided with an annular insertion slot (42), the upper end of the zinc cylinder (1) is provided with an annular necking (11) which is gradually inwardly tapered from bottom to top, the upper end of the annular necking (11) is inserted into the annular insertion slot (42), the upper end of the annular necking (11) and the outer edge of the sealing ring (4) are fixed by the third sealing glue (7) and sealed in the circumferential direction, and the third sealing glue (7) is bonded with the outer side wall of the upper end of the annular necking (11) and the inner side wall of the annular insertion slot (42) in the circumferential direction.

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