Cylindrical alkaline battery positive electrode ring

Abstract

The utility model relates to the technical field of alkaline batteries, in particular to a cylindrical alkaline battery positive electrode ring which comprises a battery steel shell, a positive electrode cap and an isolation pipe, the inner side of the battery steel shell is tightly attached to the outer side of a carbon sleeve assembly, a positive electrode ring assembly is installed on the inner side of the carbon sleeve assembly, and the carbon sleeve assembly comprises a carbon cylinder layer. First dovetail-shaped manganese blocks are fixedly connected to the inner side of the carbon cylinder layer through conductive adhesive bonding, bayonets are formed among the multiple first dovetail-shaped manganese blocks, the positive electrode ring assembly comprises an expansion manganese ring, a hollow groove is formed in the inner side of the expansion manganese ring, first dovetail clamping grooves are formed in the front end of the expansion manganese ring, and the top end of the expansion manganese ring is attached to the bottom end of the manganese ring female end; according to the positive electrode ring assembly, the phenomenon that the positive electrode ring assembly is twisted, displaced or dislocated when being subjected to external mechanical pressure is effectively prevented, the stability and the performance of the positive electrode ring of the battery are remarkably improved, and the uniformity of electrochemical reaction in the battery is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to alkaline battery technical field, concretely is a cylindrical alkaline battery positive ring. BACKGROUND

[0002] The positive ring of the cylindrical alkaline battery is an important component inside the battery, is usually pressed into ring structure by electrolytic manganese dioxide, graphite and carbon black, it is in close contact with the battery shell, the shell is a nickel-plated steel shell with positive cap, the steel shell also serves as the positive current collector, the main role of the positive ring is as the positive active material carrier of the battery, participates in electrochemical reaction, provides electric energy output;

[0003] The manganese ring usually refers to the positive ring in the battery, in the alkaline battery, the main component of the positive ring is manganese dioxide, therefore is also called manganese ring, it is the core component of the battery positive reaction, is responsible for the oxidation-reduction reaction with zinc of negative pole, thereby generates electric energy;

[0004] In the existing cylindrical alkaline battery, the manganese ring is usually assembled in the battery in the form of multilayer stacking, in the battery use process, the manganese ring needs to bear certain mechanical pressure, these mechanical pressures are easy to cause the relative displacement or misplacement phenomenon between the manganese rings, when the misplacement appears between the manganese rings, the contact of part manganese rings can become unstable or insufficient, this bad contact can destroy the uniformity of the electrochemical reaction inside the battery, further influence the overall performance and consistency of the battery, therefore, aiming at the above problems, a cylindrical alkaline battery positive ring is provided. UTILITY MODEL CONTENTS

[0005] The utility model discloses a cylindrical alkaline battery positive ring, to solve the problem that the manganese ring needs to bear certain mechanical pressure, when the misplacement appears between the manganese rings, the contact of part manganese rings can become unstable or insufficient, this bad contact can destroy the uniformity of the electrochemical reaction inside the battery, further influence the overall performance and consistency of the battery.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A cylindrical alkaline battery positive ring, comprising a battery steel shell, a positive cap and a isolation tube, the inner side of the battery steel shell is close to the outer side of the carbon sleeve assembly, the inner side of the carbon sleeve assembly is installed with a positive ring assembly, the carbon sleeve assembly comprises a carbon cylinder layer, the inner side of the carbon cylinder layer is fixedly connected with a first dovetail manganese block through conductive adhesive, a bayonet is arranged between a plurality of first dovetail manganese blocks, the positive ring assembly comprises an expanded manganese ring, a hollow groove is arranged in the inner side of the expanded manganese ring, a first dovetail clamping groove is arranged at the front end of the expanded manganese ring, the top end of the expanded manganese ring is close to the bottom end of the manganese ring female end, a second dovetail clamping groove is arranged at the rear end of the manganese ring female end, the inner side of the second dovetail clamping groove arranged on the manganese ring female end is close to the outer side of the second dovetail manganese block, and the top end of the second dovetail manganese block is fixedly connected with a manganese ring male end, a third dovetail clamping groove is arranged at the front end of the manganese ring male end, and the inner side of the first dovetail clamping groove arranged on the expanded manganese ring is close to the outer side of the first dovetail manganese block.

[0008] As a further optimization of the utility model, the inner side of the battery steel shell is fixedly connected with the positive cap through pressure bonding, the bottom end of the positive cap is close to the isolation tube through a sealing ring, and the inner side of the lower end of the battery steel shell is fixedly connected with the negative bottom cover through pressure bonding.

[0009] As a further optimization of the utility model, the top end of the negative bottom cover is fixedly connected with a copper needle, the inner side of the battery steel shell is close to the outer side of the sealing cover, the inner side of the sealing cover close to the copper needle is hollow, and the copper needle is inserted into the inside of the negative bottom cover.

[0010] As a further optimization of the utility model, the outer side of the carbon cylinder layer is close to the inner side of the battery steel shell, the inner side of the carbon cylinder layer is close to the outer side of the expanded manganese ring, the outer side of the manganese ring female end and the outer side of the manganese ring male end, and the hollow grooves are arranged in the inner side of the expanded manganese ring, the inner side of the manganese ring female end and the inner side of the manganese ring male end.

[0011] As a further optimization of the utility model, the number of the first dovetail manganese blocks is multiple, the height of the first dovetail manganese block is same as the height of the bayonet, and the shape of the carbon cylinder layer is a hollow cylinder.

[0012] As a further optimization of the utility model, the height of the expanded manganese ring, the manganese ring female end, the manganese ring male end and the first dovetail manganese block is same, the bottom end of the expanded manganese ring is flush with the bottom end of the carbon cylinder layer, the top end of the manganese ring male end is flush with the top end of the carbon cylinder layer, and the number of the manganese ring female end and the number of the manganese ring male end are both multiple.

[0013] As a further optimization of the utility model, the bottom end of the expanded manganese ring is close to the top end of the sealing cover, the top end of the manganese ring male end is close to the bottom end of the positive cap through a sealing ring, the carbon sleeve assembly and the positive ring assembly are embedded and installed in the inside of the battery steel shell, and the expanded manganese ring, the manganese ring female end and the manganese ring male end are all sleeved outside the isolation tube.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] In the utility model, through the carbon sleeve assembly and the positive ring assembly, the stability and performance of the cylindrical alkaline battery positive ring are improved, specifically, through the introduction of the manganese ring female end, the manganese ring male end and other components in the positive ring assembly, and the cooperation of the second dovetail manganese block, the second dovetail clamping groove and other structures, the torsion, displacement or misplacement of the positive ring assembly under external mechanical pressure is effectively prevented, the overall strength and connection stability of the positive ring are enhanced, the uniformity of the internal electrochemical reaction of the battery is ensured, and the overall performance and consistency of the battery are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the cut open structure schematic diagram of the battery steel shell of the utility model;

[0018] Figure 3 It is the carbon sleeve assembly structure schematic diagram of the utility model;

[0019] Figure 4 It is the cut open structure schematic diagram of the carbon cylinder layer of the utility model;

[0020] Figure 5 It is the first dovetail manganese block structure schematic diagram of the utility model;

[0021] Figure 6 It is the positive ring assembly structure schematic diagram of the utility model.

[0022] In the drawing: 1, battery steel shell;2, positive cap;3, isolation tube;4, negative bottom cover;5, sealing cover;6, copper needle;

[0023] 7, carbon sleeve assembly;71, carbon cylinder layer;72, first dovetail manganese block;73, bayonet;

[0024] 8, positive ring assembly;81, expansion manganese ring;82, hollow groove;83, first dovetail clamping groove;84, manganese ring female end;85, second dovetail clamping groove;86, manganese ring male end;87, second dovetail manganese block;88, third dovetail clamping groove. DETAILED DESCRIPTION

[0025] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made belong to the scope of protection of the present application.

[0026] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should also be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0027] Please refer to Figures 1-6 The present application provides a technical scheme:

[0028] A cylindrical alkaline battery positive ring, comprising a battery steel shell 1, a positive cap 2 and an isolation tube 3, the inner side of the battery steel shell 1 is closely attached to the outer side of the carbon sleeve assembly 7, the inner side of the carbon sleeve assembly 7 is provided with a positive ring assembly 8, the carbon sleeve assembly 7 comprises a carbon cylinder layer 71, the inner side of the carbon cylinder layer 71 is fixedly connected with a first dovetail manganese block 72 through conductive adhesive, a bayonet 73 is arranged between the plurality of first dovetail manganese blocks 72, the positive ring assembly 8 comprises an expanded manganese ring 81, a hollow groove 82 is formed in the inner side of the expanded manganese ring 81, a first dovetail clamping groove 83 is formed in the front end of the expanded manganese ring 81, the top end of the expanded manganese ring 81 is attached to the bottom end of a manganese ring female end 84, a second dovetail clamping groove 85 is formed in the rear end of the manganese ring female end 84, the inner side of the second dovetail clamping groove 85 formed in the manganese ring female end 84 is attached to the outer side of a second dovetail manganese block 87, the top end of the second dovetail manganese block 87 is fixedly connected with a manganese ring male end 86, a third dovetail clamping groove 88 is formed in the front end of the manganese ring male end 86, and the inner side of the first dovetail clamping groove 83 formed in the expanded manganese ring 81 is attached to the outer side of the first dovetail manganese block 72.

[0029] As a further implementation of the present application, the inner side of the battery steel shell 1 is crimped and fixedly connected with the positive cap 2, the bottom end of the positive cap 2 is attached to the isolation tube 3 through a sealing ring, the inner side of the lower end of the battery steel shell 1 is crimped and fixedly connected with a negative bottom cover 4, the top end of the negative bottom cover 4 is fixedly connected with a copper needle 6, the inner side of the sealing cover 5 close to the copper needle 6 is hollow, and the copper needle 6 is inserted into the inside of the negative bottom cover 4. By setting, the sealing property and stability of the battery assembly are enhanced, the leakage of electrolyte is effectively prevented, and the reliability and service life of the battery are improved;

[0030] As a further implementation of the present scheme, the outer side of the carbon cylinder layer 71 is in close contact with the inner side of the battery steel shell 1, the inner side of the carbon cylinder layer 71 is in close contact with the outer side of the expanded manganese ring 81, the outer side of the manganese ring female end 84 and the outer side of the manganese ring male end 86, the expanded manganese ring 81, the manganese ring female end 84 and the inner side of the manganese ring female end 84 are all provided with a hollow slot 82, the number of the first dovetail type manganese block 72 is multiple, the height of the first dovetail type manganese block 72 is the same as the height of the bayonet 73, the shape of the carbon cylinder layer 71 is a hollow cylinder, the height of the expanded manganese ring 81, the manganese ring female end 84, the manganese ring male end 86 and the first dovetail type manganese block 72 are all the same, the bottom end of the expanded manganese ring 81 is flush with the bottom end of the carbon cylinder layer 71, the top end of the manganese ring male end 86 is flush with the top end of the carbon cylinder layer 71, the number of the manganese ring female end 84 and the number of the manganese ring male end 86 are both multiple, which can prevent the positive ring assembly 8 from being twisted inside the carbon sleeve assembly 7, improve the stability of the whole battery, the design of the same height ensures the flatness and stability of the positive ring assembly 8, the setting of multiple manganese ring female ends 84 and manganese ring male ends 86 can further enhance the strength and stability of the positive ring, effectively prevent twisting and misplacement, and improve the battery performance;

[0031] As a further implementation of the present scheme, the bottom end of the expanded manganese ring 81 is in close contact with the top end of the sealing cover 5, the top end of the manganese ring male end 86 is in close contact with the bottom end of the positive cap 2 through the sealing ring, the carbon sleeve assembly 7 and the positive ring assembly 8 are both embedded and installed inside the battery steel shell 1, the expanded manganese ring 81, the manganese ring female end 84 and the manganese ring male end 86 are all sleeved outside the isolation tube 3, through the setting of close contact and sealing ring, the sealing property and stability between the assemblies are further enhanced, and the embedded installation and sleeving structure improve the overall structural compactness of the battery.

[0032] Workflow: when the positive ring assembly 8 is assembled to the inside of the battery, first assemble the carbon sleeve assembly 7 and the positive ring assembly 8, place the carbon cylinder layer 71 on the desktop, install the first dovetail manganese block 72 inside the carbon cylinder layer 71 along the hollow slot 82 of the expanded manganese ring 81, select the expanded manganese ring 81 according to the type of the battery, the expanded manganese ring 81 plays the role of filling, when only the female end 84 and the male end 86 of the manganese ring are installed inside the battery, the overall strength of the positive ring can be increased, the expanded manganese ring 81 moves downward, when the top end of the expanded manganese ring 81 is flush with the top end of the first dovetail manganese block 72 at the lowermost end, then install the female end 84 of the manganese ring, install the female end 84 of the manganese ring into the carbon cylinder layer 71 along the first dovetail manganese block 72 at the upper end, when the bottom end of the female end 84 of the manganese ring is attached to the top end of the expanded manganese ring 81, at this time the female end 84 of the manganese ring is flush with the bayonet 73, then rotate the female end 84 of the manganese ring by ninety degrees, at this time the female end 84 of the manganese ring is clamped between the two first dovetail manganese blocks 72, install the male end 86 of the manganese ring, move the third dovetail clamping groove 88 at the front end of the male end 86 of the manganese ring along the first dovetail manganese block 72 at the upper end, when the second dovetail manganese block 87 slides into the second dovetail clamping groove 85 inside the female end 84 of the manganese ring, at this time the third dovetail clamping groove 88 of the male end 86 of the manganese ring is outside the first dovetail manganese block 72 in the middle, install the female end 84 and the male end 86 of the manganese ring in turn according to the above principle, after installation is completed, embed the carbon sleeve assembly 7 and the positive ring assembly 8 into the inside of the battery steel shell 1 and the outside of the isolation tube 3 as a whole, make the outside of the carbon cylinder layer 71 tightly attached to the inside of the battery steel shell 1, then install the positive cap 2 on the inside of the upper end of the battery steel shell 1, the lower end of the positive cap 2 is sealed with the top end of the carbon cylinder layer 71 and the top end of the male end 86 of the manganese ring at the upper end, the installation is completed;

[0033] When in use, the second dovetail manganese block 87 and the setting of the second dovetail slot 85 can prevent the twist between the female end 84 and the male end 86 of the manganese ring, and meanwhile, the strength between the female end 84 and the male end 86 of the manganese ring is improved, and then when the external force is received, the stability of the connection between the female end 84 and the male end 86 of the manganese ring is improved, and through the first dovetail slot 83, the third dovetail slot 88, the second dovetail slot 85 and the first dovetail manganese block 72, the twist of the expanded manganese ring 81, the female end 84 and the male end 86 of the manganese ring in the inside of the carbon cylinder layer 71 can be prevented, and the stability of the connection between the carbon sleeve assembly 7 and the positive ring assembly 8 is improved, and through the setting of the carbon cylinder layer 71, the positive ring assembly 8 is protected, and meanwhile, the carbon cylinder layer 71 can significantly improve the conductivity, the corrosion resistance, the electrochemical stability, the consistency and the service life of the battery in the inside of the battery steel shell 1, and according to the above principles, the device greatly reduces the relative displacement or misplacement phenomenon caused by the mechanical pressure, improves the stability and fullness of the manganese ring contact, and ensures the uniformity of the electrochemical reaction in the inside of the battery.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A cylindrical alkaline battery positive electrode ring comprising a battery steel can (1), a positive electrode cap (2) and a separator tube (3), characterized in that: The inside of the battery steel shell (1) is close to the outside of the carbon sleeve assembly (7), and the inside of the carbon sleeve assembly (7) is provided with a positive ring assembly (8). The carbon sleeve assembly (7) comprises a carbon cylinder layer (71), and the inside of the carbon cylinder layer (71) is fixedly connected with a first dovetail manganese block (72) through conductive adhesive bonding. The positive ring assembly (8) comprises an expanded manganese ring (81), and the inside of the expanded manganese ring (81) is provided with a hollow groove (82), the front end of the expanded manganese ring (81) is provided with a first dovetail clamping groove (83), the top end of the expanded manganese ring (81) is close to the bottom end of a manganese ring female end (84), the rear end of the manganese ring female end (84) is provided with a second dovetail clamping groove (85), the inside of the second dovetail clamping groove (85) of the manganese ring female end (84) is close to the outside of a second dovetail manganese block (87), the top end of the second dovetail manganese block (87) is fixedly connected with a manganese ring male end (86), and the front end of the manganese ring male end (86) is provided with a third dovetail clamping groove (88). The inside of the first dovetail clamping groove (83) of the expanded manganese ring (81) is close to the outside of the first dovetail manganese block (72).

2. A cylindrical alkaline battery positive electrode ring according to claim 1, characterized in that: The inside of the battery steel shell (1) is fixedly connected with a positive cap (2) through crimping, the bottom end of the positive cap (2) is close to an isolation tube (3) through a sealing ring, and the inside of the lower end of the battery steel shell (1) is fixedly connected with a negative bottom cover (4) through crimping.

3. A cylindrical alkaline battery positive electrode ring according to claim 2, characterized in that: The top end of the negative bottom cover (4) is fixedly connected with a copper needle (6), the inside of the battery steel shell (1) is close to the outside of a sealing cover (5), the inside of the sealing cover (5) close to the copper needle (6) is hollow, and the copper needle (6) is inserted into the inside of the negative bottom cover (4).

4. A cylindrical alkaline battery positive electrode ring according to claim 1, wherein: The outside of the carbon cylinder layer (71) is close to the inside of the battery steel shell (1), the inside of the carbon cylinder layer (71) is close to the outside of the expanded manganese ring (81), the outside of the manganese ring female end (84) and the outside of the manganese ring male end (86), and the inside of the expanded manganese ring (81), the manganese ring female end (84) and the manganese ring female end (84) are all provided with a hollow groove (82).

5. A cylindrical alkaline battery positive electrode ring according to claim 1, wherein: The number of the first dovetail manganese block (72) is multiple, the height of the first dovetail manganese block (72) is the same as the height of the bayonet (73), and the shape of the carbon cylinder layer (71) is a hollow cylinder.

6. A cylindrical alkaline battery positive electrode ring according to claim 1, wherein: The height of the expanded manganese ring (81), the manganese ring female end (84), the manganese ring male end (86) and the first dovetail manganese block (72) is the same, the bottom end of the expanded manganese ring (81) is flush with the bottom end of the carbon cylinder layer (71), the top end of the manganese ring male end (86) is flush with the top end of the carbon cylinder layer (71), and the number of the manganese ring female end (84) and the number of the manganese ring male end (86) are both multiple.

7. A cylindrical alkaline battery positive electrode ring according to claim 1, wherein: The bottom end of the extended manganese ring (81) is attached to the top end of the sealing cover (5), and the top end of the male end (86) of the manganese ring is attached to the bottom end of the positive cap (2) through a sealing ring. The carbon sleeve assembly (7) and the positive ring assembly (8) are both embedded and installed inside the battery steel shell (1), and the extended manganese ring (81), the female end (84) of the manganese ring, and the male end (86) of the manganese ring are all sleeved outside the isolation tube (3).

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