CN210403901U - Alkaline zinc-manganese dry cell - Google Patents

Abstract

The utility model discloses an basicity zinc-manganese dioxide dry battery belongs to zinc-manganese dioxide dry battery field, including the steel casing, the positive cap of bottom fixedly connected with of steel casing, the top fixedly connected with sealing ring of steel casing, it has the mass flow needle to peg graft at the top of sealing ring, the top fixedly connected with negative cap of sealing ring, negative cap and mass flow needle fixed connection, the inner wall bottom fixedly connected with spacer tube of steel casing, the inside packing of spacer tube has the negative pole to glue, the inside of steel casing is provided with and is located the outlying positive polar ring of spacer tube, the mass flow needle is including the needle cap, needle cap bottom fixedly connected with brass pipe, the bottom fixedly connected with of needle cap is located the inside inner tube of brass pipe. The utility model discloses area of contact between increase mass flow needle and the negative pole glue makes the faster advantage of battery reaction rate, and the volume of having solved the mass flow needle is fixed mostly, and is less with the contact that the negative pole glued, the slower problem of reaction rate of battery.

Description

Alkaline zinc-manganese dry cell

Technical Field

The utility model relates to a zinc-manganese dry battery field, more specifically say, relate to basicity zinc-manganese dry battery.

Background

Chemical power sources can be classified into primary batteries, secondary batteries (also called batteries), and fuel cells. As the name suggests, primary batteries are discarded after being used once, such as zinc-manganese dry batteries, zinc-silver button batteries and the like, alkaline zinc-manganese batteries are called alkaline manganese batteries for short, which are successfully developed in 1882, developed in 1912 and produced in 1949, and it is found that when a KOH electrolyte solution is used for replacing NH4Cl as an electrolyte, the specific energy and the discharge current of the batteries can be obviously improved no matter the electrolyte or the structure is greatly changed.

The alkaline dry battery has better performance, so the alkaline dry battery is more and more commonly used, most of the current collecting needles of the existing alkaline zinc-manganese dry battery are made of rod-shaped brass materials, the contact area between the current collecting needle and the negative pole glue has a large relation with the diameter of the current collecting needle, the volume of the current collecting needle is mostly fixed, the contact with the negative pole glue is small, and the reaction rate of the battery is slow.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an alkaline zinc-manganese dioxide dry battery possesses the area of contact between increase mass flow needle and the negative pole glue, makes the faster advantage of battery reaction rate, and the volume of having solved the mass flow needle is fixed mostly, and is less with the contact that the negative pole glued, the slower problem of reaction rate of battery.

2. Technical scheme

In order to solve the problem, the utility model adopts the following technical proposal.

Alkaline zinc-manganese dioxide dry battery, including the steel casing, the positive cap of bottom fixedly connected with of steel casing, the top fixedly connected with sealing ring of steel casing, it has the mass flow needle to peg graft at the top of sealing ring, the top fixedly connected with negative pole cap of sealing ring, negative pole cap and mass flow needle fixed connection, the inner wall bottom fixedly connected with spacer tube of steel casing, the inside packing of spacer tube has the negative pole to glue, the inside of steel casing is provided with and is located the peripheral positive ring of spacer tube, the mass flow needle is including the needle cap, needle cap bottom fixedly connected with brass pipe, the bottom fixedly connected with of needle cap is located the inside inner tube of brass pipe, the through-hole that the annular distributes is seted up on the surface of inner tube, one side intercommunication of through-hole has the face pipe that expands that is located the inner tube inboard.

Preferably, the center of the top of the negative electrode cap is fixedly connected with a metal cap, the bottom of the metal cap is fixedly connected with a sealing seat, and the sealing seat is fixedly connected with the top of the needle cap.

Preferably, a sealant is filled in a gap between the sealing ring and the cathode cap.

Preferably, the surface of the steel shell is provided with a metal nickel coating, and the surface of the steel shell is sleeved with a plastic film sleeve.

Preferably, the surface of the positive electrode ring is coated with a protective layer containing an additive, and the additive is a powdery barium sulfate and barium hydroxide composite mixture.

Preferably, the surfaces of the brass tube, the inner tube and the surface expanding tube are coated with organic active agents.

3. Advantageous effects

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

(1) This scheme is through setting up two blank pipes of brass pipe and inner tube, the inner wall and the outer wall homoenergetic that make brass pipe and inner tube glue the contact with the negative pole, area of contact between mass flow needle and the negative pole glue has been increased, simultaneously through setting up the through-hole and expanding the face pipe, the inner wall and the outer wall homoenergetic that expand the face pipe can glue the contact with the negative pole, area of contact has further been increased, thereby make the reaction rate of battery faster, the volume of having solved the mass flow needle is fixed mostly, it is less with the contact that the negative pole glued, the slower problem of reaction rate of battery.

(2) This basicity zinc manganese dry battery, the seal receptacle has played the effect of injecing the needle cap, makes the installation of mass flow needle more stable, and makes the sealed effect of mass flow needle and sealing ring better.

(3) The alkaline zinc-manganese dioxide dry battery has better overall sealing performance by filling the sealant in the gap.

(4) According to the alkaline zinc-manganese dioxide dry battery, the metal nickel coating enables the overall resistance of the steel shell to be better, the steel shell is more durable to use, and the plastic film sleeve plays a role in protecting the steel shell.

(5) The protective layer of the alkaline zinc-manganese dry battery can protect the battery, and the additive improves the high-power discharge performance of the battery.

(6) The alkaline zinc-manganese dioxide dry battery has the advantages that the organic active agent can not only form a protective layer on the surface of the current collecting needle, but also form a corrosion-slowing layer when the negative glue is contacted with the current collecting needle, and the production cost can be greatly reduced.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic structural view of the current collecting needle of the present invention;

fig. 4 is a top view of the collecting needle of the present invention;

fig. 5 is an enlarged view of a portion a in fig. 3 according to the present invention.

The numbering in the figures illustrates:

1. a steel shell; 2. a negative electrode cap; 3. a positive electrode cap; 4. a metal cap; 5. a seal ring; 6. a collecting needle; 61. a needle cap; 62. brass tube; 63. an inner tube; 64. a through hole; 65. a surface expanding tube; 7. an isolation pipe; 8. negative pole glue; 9. a positive electrode ring; 10. and (4) a sealing seat.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on 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 the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the alkaline zinc-manganese dry battery comprises a steel shell 1, wherein the bottom of the steel shell 1 is fixedly connected with an anode cap 3, the top of the steel shell 1 is fixedly connected with a sealing ring 5, the top of the sealing ring 5 is inserted with a current collecting needle 6, the top of the sealing ring 5 is fixedly connected with a cathode cap 2, the cathode cap 2 is fixedly connected with the current collecting needle 6, the bottom of the inner wall of the steel shell 1 is fixedly connected with an isolation tube 7, the isolation tube 7 is filled with cathode glue 8, the inside of the steel shell 1 is provided with an anode ring 9 located at the periphery of the isolation tube 7, the current collecting needle 6 comprises a needle cap 61, the bottom of the needle cap 61 is fixedly connected with a brass tube 62, the bottom of the needle cap 61 is fixedly connected with an inner tube 63 located inside the brass tube 62, the surface of the inner tube 63 is provided with through holes 64 distributed in an annular shape, and one side of the through holes 64 is communicated with a face expanding tube 65 located inside the inner tube 63.

Further, the top center fixedly connected with metal cap 4 of negative pole cap 2, the bottom fixedly connected with seal receptacle 10 of metal cap 4, the top fixed connection of seal receptacle 10 and needle cap 61, seal receptacle 10 have played the effect of injecing needle cap 61, make the installation of mass flow needle 6 more stable, and make the sealed effect of mass flow needle 6 and sealing ring 5 better.

Furthermore, the gap between the sealing ring 5 and the cathode cap 2 is filled with a sealant, and the sealant is filled in the gap, so that the overall sealing performance of the battery is better, the leakage phenomenon of the battery is avoided, and the battery is safer and more reliable to use.

Further, the surface of box hat 1 is provided with metal nickel cladding, and the surface cover of box hat 1 is equipped with the plastic film cover, and metal nickel cladding makes 1 whole resistances of box hat better, makes 1 use of box hat more durable, and the plastic film cover has played the effect of protecting 1 of box hat.

Further, the surface of the positive electrode ring 9 is coated with a protective layer containing an additive, the additive is a powdery barium sulfate and barium hydroxide composite mixture, the protective layer can protect the battery, and the additive improves the high-power discharge performance of the battery.

Furthermore, the surfaces of the brass tube 62, the inner tube 63 and the surface expanding tube 65 are coated with organic active agents, and the organic active agents not only can form a protective layer on the surface of the current collecting needle 6, so that a corrosion-slowing layer is formed when the negative glue 8 is contacted with the current collecting needle 6, and the production cost can be greatly reduced.

The working principle is as follows: seal up the battery through sealing ring 5, and isolation tube 7 separates negative pole glue 8 and positive polar ring 9, then through setting up two blank pipes of brass pipe 62 and inner tube 63, make the inner wall and the outer wall of brass pipe 62 and inner tube 63 all can glue 8 contacts with the negative pole, the area of contact between afflux needle 6 and the negative pole glue 8 has been increased, simultaneously through setting up through-hole 64 and face pipe 65 that expands, the inner wall and the outer wall homoenergetic of face pipe 65 can glue 8 contacts with the negative pole, further increase area of contact, thereby make the reaction rate of battery faster, the volume of having solved afflux needle 6 is fixed mostly, it is less with the contact of negative pole glue 8, the slower problem of reaction rate of battery.

The foregoing is only a preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (6)

1. Alkaline zinc-manganese dioxide dry battery, including steel casing (1), the bottom fixedly connected with positive cap (3) of steel casing (1), its characterized in that: the top fixedly connected with sealing ring (5) of steel casing (1), the top of sealing ring (5) is pegged graft and is had mass flow needle (6), the top fixedly connected with negative pole cap (2) of sealing ring (5), negative pole cap (2) and mass flow needle (6) fixed connection, the inner wall bottom fixedly connected with spacer tube (7) of steel casing (1), the inside packing of spacer tube (7) has negative pole glue (8), the inside of steel casing (1) is provided with and is located spacer tube (7) outlying positive pole ring (9), mass flow needle (6) are including needle cap (61), needle cap (61) bottom fixedly connected with brass pipe (62), the bottom fixedly connected with of needle cap (61) is located inner tube (63) inside brass pipe (62), annular distribution's through-hole (64) have been seted up on the surface of inner tube (63), one side intercommunication of through-hole (64) has the face pipe (65) that expands that is located inner tube (63) inboard.

2. The alkaline zinc-manganese dry battery according to claim 1, characterized in that: the top center of negative pole cap (2) is fixedly connected with metal cap (4), the bottom fixedly connected with seal receptacle (10) of metal cap (4), seal receptacle (10) and the top fixed connection of needle cap (61).

3. The alkaline zinc-manganese dry battery according to claim 1, characterized in that: and sealant is filled in a gap between the sealing ring (5) and the cathode cap (2).

4. The alkaline zinc-manganese dry battery according to claim 1, characterized in that: the surface of the steel shell (1) is provided with a metal nickel coating, and the surface of the steel shell (1) is sleeved with a plastic film sleeve.

5. The alkaline zinc-manganese dry battery according to claim 1, characterized in that: the surface of the positive electrode ring (9) is coated with a protective layer containing an additive, and the additive is a powdery barium sulfate and barium hydroxide composite mixture.

6. The alkaline zinc-manganese dry battery according to claim 1, characterized in that: the surfaces of the brass tube (62), the inner tube (63) and the surface expanding tube (65) are coated with organic active agents.

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