Cylindrical metal fuel cell monomer

By adopting a cylindrical metal fuel cell monomer with a non-circulating body structure, the connection between the injection molded frame and the air film and thread sealing technology are used to solve the problem of liquid leakage and blockage in the high-power output of the existing batteries, achieving more stable and reliable battery performance.

CN222914826UActive Publication Date: 2025-05-27STAR ALUMINUM NEW ENERGY TECH (XUZHOU) CO LTD
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Patent Information

Application Number
CN202420704664.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-08
Publication Date
2025-05-27
Estimated Expiration
2034-04-08

AI Technical Summary

Technical Problem

In the case of high-power output, the pipeline connections of existing circulating body cylindrical metal fuel cells are complicated, which is prone to leakage of liquid, and reactants block the pipeline, resulting in product scrapping; most of the batteries with stacked structures are disposable products and cannot be reused.

Method used

A cylindrical metal fuel cell monomer with a non-circulating body structure forms a liquid cavity through the connection between the injection molded frame and the air film. The top cover and the injection molded frame are screwed through a thread groove, and are combined with the insertion connection between the insert plate and the sealing groove and the thread seal to prevent liquid leakage.

Benefits of technology

It realizes a reliable structure without pipeline connection. The battery can be used in any direction to prevent liquid leakage, extend the battery life time, and improve the battery usage stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cylindrical metal fuel cell monomer which comprises an injection molding frame body, the whole injection molding frame body is of a cylindrical structure, the inner circumferential surface of the injection molding frame body is coated with an air film, the injection molding frame body and the air film are connected to form a liquid cavity, a threaded groove is formed in the outer circumferential surface of a top opening of the injection molding frame body and is in threaded connection with a top cover, and the top cover is in threaded connection with the injection molding frame body. An aluminum plate integrally formed with the top cover is mounted on the inner top surface of the top cover, and a positive electrode and a negative electrode are respectively reserved and mounted at the top of the top cover and the bottom of the injection molding frame body. The defects are that pipeline connection is complicated, liquid leakage at joints is easy to occur, products are scrapped due to the fact that reactants block the pipelines in the using process, and the cylindrical metal fuel cell with a laminated structure is mostly applied to low-power occasions.
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Description

Technical Field

[0001] The utility model relates to the technical field of metal fuel cells, in particular to a cylindrical metal fuel cell single body. Background Art

[0002] A metal fuel cell, also known as a metal-air battery, is a device that uses the reaction between a metal fuel plate and oxygen to form a continuous power generation device. Metal fuel cells have the advantages of low cost, non-toxicity, pollution-free, high specific energy, etc. They also have rich resources, can be recycled, and have a safe and reliable structure, making them a new energy product with a wide range of applications.

[0003] At present, most of the cylindrical metal fuel cell single bodies on the market are of a circulation structure and a laminated structure. The cylindrical metal fuel cell with a circulation structure is mostly used in high-power output occasions. Its disadvantages are complex pipeline connections, easy liquid leakage at joints, and blockage of pipelines by reactants during use, resulting in product scrapping. The cylindrical metal fuel cell with a laminated structure is mostly used in low-power occasions, generally small-power devices such as emergency lighting lamps. The laminated structure is mostly a disposable product and cannot be reused.

[0004] Therefore, it is necessary to provide a cylindrical metal fuel cell single body to solve the above technical problems. Summary of the Utility Model

[0005] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a cylindrical metal fuel cell single body to solve the problems that the existing cylindrical metal fuel cell with a circulation structure is mostly used in high-power output occasions, with the disadvantages of complex pipeline connections, easy liquid leakage at joints, and blockage of pipelines by reactants during use, resulting in product scrapping; the cylindrical metal fuel cell with a laminated structure is mostly used in low-power occasions, generally small-power devices such as emergency lighting lamps, and the laminated structure is mostly a disposable product and cannot be reused.

[0006] To achieve the above object, the technical solution adopted by the utility model is as follows:

[0007] A cylindrical metal fuel cell single body, comprising: an injection molding frame body;

[0008] The injection molding frame body is integrally in a cylindrical structure, and an air film is coated on its inner peripheral surface. After the injection molding frame body is connected with the air film, a liquid cavity is formed. A thread groove is opened on the outer peripheral surface at the top opening of the injection molding frame body, and the thread groove is screwed with a top cover. An aluminum plate integrally formed with the top cover is installed on the inner top surface of the top cover. A positive electrode and a negative electrode are respectively reserved for installation at the top of the top cover and the bottom of the injection molding frame body. The contact point of the negative electrode adopts a battery contact joint.

[0009] In one embodiment, openings are spaced on the circumferential surface of the injection-molded housing, and reinforcing ribs are installed in the openings, and multiple groups of the reinforcing ribs are vertically and spacedly arranged.

[0010] In one embodiment, the film body of the air film is composed of a connecting section and an extending section. The diameter of the extending section is larger than that of the connecting section. The connecting section is between adjacent extending sections. The extending section is located between adjacent reinforcing ribs, and the outer peripheral surface of the extending section and the outer peripheral surface of the reinforcing rib are in the same vertical plane.

[0011] In one embodiment, an auxiliary sealing mechanism is installed inside the top opening of the injection-molded housing. The auxiliary sealing mechanism is composed of a mounting plate, a sealing plate, and a sealing groove. The outer edge of the mounting plate is integrally injection-molded with the inner wall of the top opening of the injection-molded housing. A sealing plate is vertically installed on the top surface of the mounting plate. There are two sealing plates, and an annular sealing groove is reserved between the two sealing plates.

[0012] In one embodiment, an insertion plate matched with the sealing groove is installed on the inner top surface of the top cover.

[0013] The beneficial effects of the present utility model are as follows:

[0014] (1) Through the non-circulating body structure, the present utility model does not require pipeline connection, has a reliable structure, is wrapped by an all-round air film, can still work when the battery is tilted, outputs electric energy externally, has common battery positive and negative contact points, and has a wide range of uses.

[0015] (2) The present utility model completes the preliminary sealing through the insertion connection between the insertion plate and the sealing groove, and completes the second-step sealing work through the screw connection between the top cover and the threaded groove of the injection-molded housing to prevent liquid leakage. Through the combined use of the extending section and the connecting section, it helps to increase the capacity of the liquid cavity, thereby improving the battery endurance. Moreover, the combined use of the extending section and the reinforcing rib can improve the stability during the use of the air film, and further improve the use stability of the battery. Description of the Drawings

[0016] Figure 1 is the overall structure diagram of the present utility model;

[0017] Figure 2 is the detailed view of the injection-molded housing and the air film of the present utility model;

[0018] Figure 3 is the detailed view of the installation of the auxiliary sealing mechanism and the top cover of the present utility model.

[0019] Among them, the names corresponding to the reference numerals are: injection-molded housing 1, positive electrode 11, threaded groove 12, reinforcing rib 13, air film 2, connecting section 21, extending section 22, liquid cavity 3, top cover 4, negative electrode 41, aluminum plate 42, insertion plate 43, auxiliary sealing mechanism 5, mounting plate 51, sealing plate 52, sealing groove 53. Specific Embodiments

[0020] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments. The embodiments of the present utility model include but are not limited to the following examples.

[0021] As Figure 1 - Figure 2 shown, a cylindrical metal fuel cell monomer provided by the present utility model includes: an injection molding frame 1, an air film 2, a liquid cavity 3, and a top cover 4;

[0022] As Figure 1 shown, the injection molding frame 1 is integrally cylindrical in structure, and an air film 2 is coated on its inner peripheral surface. After the injection molding frame 1 is connected to the air film 2, a liquid cavity 3 is formed. A threaded groove 12 is provided on the outer peripheral surface at the top opening of the injection molding frame 1, and the threaded groove 12 is screwed with the top cover 4. An aluminum plate 42 integrally formed therewith is installed on the inner top surface of the top cover 4. A positive electrode 11 and a negative electrode 41 are respectively reserved for installation at the top of the top cover 4 and the bottom of the injection molding frame 1. The contact point of the negative electrode 41 uses a common battery contact joint on the market, which is convenient and reliable to connect. By injection molding the air film 2 and coating it in the plastic to form an integral body, the interface is firm and reliable without leakage. The air film 2 is annularly wrapped around the side wall of the injection molding frame 1 by 360°, and the battery monomer can be used in any direction when tilted.

[0023] Preferably, in one embodiment, as Figure 1 - Figure 2 shown, openings are spaced on the circumferential surface of the injection molding frame 1, and reinforcing ribs 13 are installed in the openings. Multiple groups of the reinforcing ribs 13 are vertically and spacedly arranged.

[0024] Preferably, in one embodiment, as Figure 2 shown, the film body of the air film 2 is composed of a connecting section 21 and an extending section 22. The diameter of the extending section 22 is larger than that of the connecting section 21. The connecting section 21 is between adjacent extending sections 22. The extending section 22 is located between adjacent reinforcing ribs 13, and the outer peripheral surface of the extending section 22 and the outer peripheral surface of the reinforcing ribs 13 are in the same vertical plane. By the combined use of the extending section 22 and the connecting section 21, it helps to increase the capacity of the liquid cavity 3, thereby improving the battery life. And the combined use of the extending section 22 and the reinforcing ribs 13 can improve the stability of the air film 2 during use, thereby improving the use stability of the battery.

[0025] Preferably, in one embodiment, as Figure 2 - Figure 3As shown, an auxiliary sealing mechanism 5 is installed inside the top opening of the injection molding frame body 1. The auxiliary sealing mechanism 5 is composed of a mounting plate 51, a sealing plate 52, and a sealing groove 53. The outer edge of the mounting plate 51 is integrally injection molded with the inner wall of the top opening of the injection molding frame body 1. A sealing plate 52 is vertically installed on the top surface of the mounting plate 51. There are two sealing plates 52, and an annular sealing groove 53 is reserved between the two sealing plates 52.

[0026] Preferably, in one embodiment, as Figure 3 shown, an insertion plate 43 matching the sealing groove 53 is installed on the inner top surface of the top cover 4. The initial sealing is completed through the insertion connection between the insertion plate 43 and the sealing groove 53, and the second-step sealing work is completed through the screwing connection between the top cover 4 and the threaded groove 12 of the injection molding frame body 1 to prevent liquid leakage.

[0027] The working principle of the present utility model:

[0028] During operation, the air film 2 is injection molded and coated inside the plastic to form an integral body, making the interface firm and reliable without liquid leakage. The air film 2 is wrapped around the side wall of the injection molding frame body 1 in a 360° annular shape, and the battery monomer can be used in any tilted direction. The initial sealing is completed through the insertion connection between the insertion plate 43 and the sealing groove 53, and the second-step sealing work is completed through the screwing connection between the top cover 4 and the threaded groove 12 of the injection molding frame body 1 to prevent liquid leakage.

[0029] The above embodiments are only one of the preferred embodiments of the present utility model and should not be used to limit the protection scope of the present utility model. Any meaningless modifications or polishings made on the main design concept and spirit of the present utility model, as long as the technical problems solved are still the same as those of the present utility model, should be included in the protection scope of the present utility model.

Claims

1. A cylindrical metal fuel cell monomer, characterized in that: include: Injection molding frame and top cover; The injection molded frame is an overall cylindrical structure, and its inner circumference is covered with an air film. The injection molded frame and the air film are connected to form a liquid cavity. A threaded groove is provided on the outer circumference at the top of the injection molded frame, and the threaded groove is screwed to the top cover. An aluminum plate integrally formed with the top cover is installed on the inner top surface. The top of the top cover and the bottom of the injection molded frame are respectively reserved for installation of a positive electrode and a negative electrode, and the contact of the negative electrode adopts a battery contact connector.

2. A cylindrical metal fuel cell monomer according to claim 1, characterized in that: Openings are arranged at intervals on the peripheral surface of the injection molding frame, and reinforcing ribs are installed in the openings. The reinforcing ribs are arranged in multiple groups at intervals vertically.

3. A cylindrical metal fuel cell monomer according to claim 2, characterized in that: The membrane body of the air membrane is composed of a connecting section and an extension section. The diameter of the extension section is larger than that of the connecting section. The connecting section is between adjacent extension sections. The extension section is located between adjacent reinforcement ribs. The outer peripheral surface of the extension section and the outer peripheral surface of the reinforcement rib are in the same vertical plane.

4. A cylindrical metal fuel cell monomer according to claim 1, characterized in that: An auxiliary sealing mechanism is installed inside the top opening of the injection molding frame, and the auxiliary sealing mechanism consists of a mounting plate, a sealing plate, and a sealing groove. The outer edge of the mounting plate and the inner wall of the top opening of the injection molding frame are integrally injection-molded. A sealing plate is vertically installed on the top surface of the mounting plate. Two sealing plates are provided, and an annular sealing groove is reserved between the two sealing plates.

5. A cylindrical metal fuel cell monomer according to claim 4, characterized in that: The inner top surface of the top cover is provided with an inserting plate matched with the sealing groove.