Cone-shaped fireworks

Abstract

This utility model provides a conical firework, relating to the field of fireworks product technology, including a conical shell, a propellant layer, a mud bottom structure, and a fuse. The conical shell has an internal conical cavity with a small opening at the top and a large opening at the bottom. The propellant layer is arranged inside the conical cavity for combustion to produce a jet of flame. The mud bottom structure is arranged inside the conical cavity and located below the propellant layer. The lower end of the fuse inserts into the conical shell and is bonded to the propellant layer, while the upper end exits through the small opening at the top to the outside of the conical shell. The conical shell includes a first conical paper tube and a second conical paper tube. The first conical paper tube is fitted and sleeved around the outer periphery of the second conical paper tube. The first conical paper tube is rolled from the first layer of paper; the second conical paper tube is rolled from the second layer of paper; the first conical paper tube at least covers the area of ​​the propellant layer; the second conical paper tube at least covers the area of ​​the propellant layer. This application reduces the thickness of a single conical paper tube, making it easier to manufacture.

Description

Technical Field

[0001] This application relates to the field of fireworks technology, and more particularly to a cone-shaped firework. Background Technology

[0002] Conical fireworks are ground fireworks shaped like a cone. Inside, they have a conical combustion chamber. During ignition, the increased combustion area of ​​the propellant causes the height and coverage of the fireworks to gradually increase over time. Conical fireworks use a conical shell as the launch tube, filled with propellant. When ignited, the flames produced by the combustion of the propellant are ejected through a small nozzle at the top of the conical shell.

[0003] In order to achieve a longer duration of fireworks, the amount of explosive charge in cone fireworks needs to be increased. As a result, the thickness of the cone fireworks shell also needs to be increased accordingly, and the number of paper layers that make up the shell increases, which makes the shell more difficult to roll, and significantly increases the amount of paper used and the cost. Utility Model Content

[0004] The technical problem to be solved by this application is to propose a cone-shaped firework to address the above-mentioned shortcomings of the prior art.

[0005] A cone-shaped firework, the cone-shaped firework comprising: A conical shell, wherein a conical cavity is formed inside the conical shell, and the top is a small opening and the bottom is a large opening; A drug layer, which is arranged inside the conical cavity, is used to burn and generate jet flames; A mud-bottom structure is arranged inside the conical cavity and located below the drug layer; The lead wire has its lower end inserted into the conical shell and bonded to the drug layer, while its upper end extends out of the conical shell through a small opening at the top. The conical shell includes a first conical paper tube and a second conical paper tube; the first conical paper tube is fitted and sleeved around the outer periphery of the second conical paper tube; the first conical paper tube is rolled from a first layer of paper; the second conical paper tube is rolled from a second layer of paper; the first conical paper tube at least covers the area of ​​the drug layer; the second conical paper tube at least covers the area of ​​the drug layer.

[0006] Optionally, the first layer of conical paper tubes only covers a partial height range of the conical shell from the small opening downwards; the second layer of conical paper tubes covers the entire height range of the conical shell.

[0007] Optionally, the first layer of conical paper tubes covers the entire height range of the conical shell; the second layer of conical paper tubes only covers a local height range of the conical shell from the small opening downwards.

[0008] Optionally, the first conical paper tube and the second conical paper tube are bonded together by adhesive.

[0009] Optionally, a ring of refractory structure is arranged around the inner side of the small opening of the conical shell, and a jet hole for spraying flames is formed in the inner ring of the refractory structure.

[0010] Optionally, a paper layer is arranged at the bottom of the mud bottom structure; the paper layer is adhered to the mud bottom structure, and the four edges of the paper layer are adhered to the inner wall of the conical shell.

[0011] Optionally, the cone-shaped firework further includes: cone-shaped wrapping paper; the cone-shaped wrapping paper is adapted to the outer surface of the cone-shaped shell and is adhered to the outer surface of the cone-shaped shell by adhesive.

[0012] Optionally, a flame-retardant layer is disposed on the inner surface of the conical shell, the flame-retardant layer at least covering the extent of the drug layer.

[0013] This application provides a cone-shaped firework. The cone-shaped firework's shell includes a first cone-shaped paper tube and a second cone-shaped paper tube. The first cone-shaped paper tube is fitted and sleeved around the outer periphery of the second cone-shaped paper tube. The first cone-shaped paper tube is rolled from the first layer of paper. The second cone-shaped paper tube is rolled from the second layer of paper. Both the first and second cone-shaped paper tubes cover the area of ​​the propellant layer. This design allows the cone-shaped shell to be divided into two layers, and the two cone-shaped paper tubes can be formed separately, reducing the thickness of a single cone-shaped paper tube, making manufacturing easier, and suitable for cone-shaped fireworks with large propellant loads and long firing times.

[0014] In a further improved design, the first conical paper tube only covers a portion of the conical shell's height from the small opening downwards; the second conical paper tube covers the entire height range of the conical shell. This design, where the first conical paper tube only covers a portion of the height range, effectively reduces paper consumption and lowers costs.

[0015] In a further improved design, the first conical paper tube covers the entire height range of the conical shell; the second conical paper tube only covers a portion of the height range from the small opening downwards. This design, where the second conical paper tube only covers a portion of the height range, effectively reduces paper consumption and lowers costs. Attached Figure Description

[0016] Figure 1 This is one of the structural schematic diagrams of the cone-shaped fireworks in the embodiments of this application.

[0017] Figure 2 This is the second schematic diagram of the cone-shaped firework in the embodiments of this application.

[0018] Figure 3 This is the third schematic diagram of the cone-shaped firework in the embodiments of this application.

[0019] Reference numerals: conical shell 10, small opening 11, large opening 12, first layer conical paper tube 13, second layer conical paper tube 14, flame retardant layer 15, chemical layer 20, mud bottom structure 30, lead wire 40, fire-resistant structure 50, paper layer 60. Detailed Implementation

[0020] The following are specific embodiments of this application, described in conjunction with the accompanying drawings, to further illustrate the technical solutions of this application. However, this application is not limited to these embodiments. In the following description, specific details such as particular configurations and components are provided merely to aid in a comprehensive understanding of the embodiments of this application. Therefore, those skilled in the art should understand that various changes and modifications can be made to the embodiments described herein without departing from the scope of protection of this application. Furthermore, for clarity and brevity, descriptions of known functions and structures have been omitted.

[0021] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other.

[0022] It should be noted that in order to achieve a longer fireworks duration, the amount of propellant in the cone-shaped fireworks needs to be increased. This necessitates a corresponding increase in the thickness of the cone-shaped fireworks shell, leading to more layers of paper forming the shell. This increases the difficulty of rolling the shell, significantly increasing paper consumption and cost. Therefore, this application improves upon the existing cone-shaped fireworks structure.

[0023] This application provides a cone-shaped firework, which includes a cone-shaped shell, a propellant layer, a mud bottom structure, and a fuse. The cone-shaped shell has a cone-shaped cavity inside, with a small opening at the top and a large opening at the bottom. The propellant layer is arranged inside the cone-shaped cavity for combustion to produce a jet of flames. The mud bottom structure is arranged inside the cone-shaped cavity and located below the propellant layer. The lower end of the fuse penetrates into the cone-shaped shell and is bonded to the propellant layer, while the upper end extends out of the cone-shaped shell through the small opening at the top.

[0024] The conical shell comprises a first conical paper tube and a second conical paper tube; the first conical paper tube is fitted and sleeved around the outer periphery of the second conical paper tube; the first conical paper tube is rolled from the first layer of paper; the second conical paper tube is rolled from the second layer of paper; the first conical paper tube at least covers the area of ​​the explosive layer; the second conical paper tube at least covers the area of ​​the explosive layer. This design, with two layers of conical shell, allows the two conical paper tubes to be formed separately, reducing the thickness of a single conical paper tube, making manufacturing easier, and suitable for conical fireworks with large explosive charges and long firing times.

[0025] In a further improved design, the first conical paper tube only covers a portion of the conical shell's height from the small opening downwards; the second conical paper tube covers the entire height range of the conical shell. This design, where the first conical paper tube only covers a portion of the height range, effectively reduces paper consumption and lowers costs.

[0026] In a further improved design, the first conical paper tube covers the entire height range of the conical shell; the second conical paper tube only covers a portion of the height range from the small opening downwards. This design, where the second conical paper tube only covers a portion of the height range, effectively reduces paper consumption and lowers costs.

[0027] Figure 1 This application illustrates a cone-shaped firework according to a first embodiment. The cone-shaped firework includes a cone-shaped shell 10, a propellant layer 20, a mud-bottom structure 30, and a fuse 40. The cone-shaped shell 10 has a cone-shaped cavity inside, with a small opening 11 at the top and a large opening 12 at the bottom. The propellant layer 20 is arranged inside the cone-shaped cavity for combustion to generate jet flames. The mud-bottom structure 30 is arranged inside the cone-shaped cavity and located below the propellant layer 20. The lower end of the fuse 40 inserts into the cone-shaped shell 10 and is combined with the propellant layer 20, while the upper end extends out of the cone-shaped shell 10 through the small opening 11 at the top. During ignition, the user ignites the fuse 40, which ignites the propellant layer 20. The flames generated by the combustion of the propellant layer 20 are ejected through the small opening 11 at the top of the cone-shaped shell 10. During ignition, a cone-shaped combustion chamber is formed in the upper part of the cone-shaped shell 10. As the propellant layer burns from top to bottom, the combustion area gradually increases, resulting in higher and wider flames.

[0028] The conical shell 10 includes a first conical paper tube 13 and a second conical paper tube 14; the first conical paper tube 13 is fitted and sleeved around the outer periphery of the second conical paper tube 14; the first conical paper tube 13 is formed by rolling a first layer of paper; the second conical paper tube 14 is formed by rolling a second layer of paper. Figure 1 In the structure shown, both the first conical paper tube 13 and the second conical paper tube 14 cover the area of ​​the drug layer 20. Furthermore, the first conical paper tube 13 covers the entire height range of the conical shell 10, and the second conical paper tube 14 covers the entire height range of the conical shell 10. In this design, the first conical paper tube 13 and the second conical paper tube 14 can be molded separately, reducing the thickness of a single conical paper tube and making manufacturing easier. Furthermore, when stacked together, they form a thicker conical shell 10, suitable for conical fireworks with large drug charges and long firing times. Additionally, the first conical paper tube 13 and the second conical paper tube 14 are bonded together with adhesive.

[0029] In an alternative implementation, refer to Figure 1A circumferential refractory structure 50 is arranged around the inner side of the small opening 11 of the conical shell 10. The inner ring of the refractory structure 50 contains injection holes for spraying flares. Further, the refractory structure is either a clay layer attached to the inner side of the small opening of the conical shell, or a thin sheet of tin foil attached to the inner side of the small opening of the conical shell. During ignition, the flares generated by the combustion of the propellant are ejected through the injection holes of the refractory structure. The refractory structure withstands the high temperature of the flares, reducing the impact of the flares on the conical shell and thus lowering the performance requirements and production costs of the conical shell.

[0030] In an alternative implementation, refer to Figure 1 A paper layer 60 is arranged at the bottom of the mud base structure 30; the paper layer 60 is adhered to the mud base structure 30, and the four edges of the paper layer 60 are adhered to the inner wall of the conical shell 10. This design allows the mud base structure 30 and the conical shell 10 to be better integrated, making the structure more stable and preventing damage from stress during combustion.

[0031] In an alternative embodiment, the conical fireworks also include conical wrapping paper; the conical wrapping paper is adapted to the outer surface of the conical shell 10 and is adhered to the outer surface of the conical shell 10 by adhesive.

[0032] In an alternative implementation, refer to Figure 1 A flame-retardant layer 15 is arranged on the inner surface of the conical shell 10, and the flame-retardant layer 15 covers at least the area of ​​the drug layer 20. The flame-retardant layer can reduce the impact of the combustion chamber on the inner wall of the paper tube, thereby improving the combustion time and combustion effect.

[0033] Figure 2 This application illustrates a cone-shaped firework according to a third embodiment. The cone-shaped firework includes a cone-shaped shell 10, a propellant layer 20, a mud-bottom structure 30, and a fuse 40. The cone-shaped shell 10 has a cone-shaped cavity inside, with a small opening 11 at the top and a large opening 12 at the bottom. The propellant layer 20 is disposed within the cone-shaped cavity and is used to generate jet flames. The mud-bottom structure 30 is disposed within the cone-shaped cavity and located below the propellant layer 20. The lower end of the fuse 40 is inserted into the cone-shaped shell 10 and joined to the propellant layer 20, while the upper end extends out of the cone-shaped shell 10 through the small opening 11 at the top. During ignition, the user ignites the fuse 40, which ignites the propellant layer 20. The flames generated by the combustion of the propellant layer 20 are ejected through the small opening 11 at the top of the cone-shaped shell 10. During ignition, a cone-shaped combustion chamber is formed in the upper part of the cone-shaped shell 10. As the propellant layer burns from top to bottom, the combustion area gradually increases, resulting in higher and wider flames.

[0034] The conical shell 10 includes a first conical paper tube 13 and a second conical paper tube 14; the first conical paper tube 13 is fitted and sleeved around the outer periphery of the second conical paper tube 14; the first conical paper tube 13 is formed by rolling a first layer of paper; the second conical paper tube 14 is formed by rolling a second layer of paper. Further, the first conical paper tube 13 and the second conical paper tube 14 are bonded together with adhesive. Figure 2 In the structure shown, both the first conical paper tube 13 and the second conical paper tube 14 cover the area of ​​the drug layer 20. The first conical paper tube 13 covers the entire height range of the conical shell 10, while the second conical paper tube 14 only covers a portion of the height range of the conical shell 10 from the small opening 11 downwards. This design offers several advantages. First, the first and second conical paper tubes 13 and 14 can be formed separately, reducing the thickness of a single conical paper tube and simplifying manufacturing. Furthermore, their combined thickness creates a thicker conical shell 10, suitable for conical fireworks with large propellant loads and long firing times. Second, the second conical paper tube 14 only covers a portion of the height range, effectively reducing paper consumption and lowering costs.

[0035] In an alternative implementation, refer to Figure 2 A circumferential refractory structure 50 is arranged around the inner side of the small opening 11 of the conical shell 10. The inner ring of the refractory structure 50 contains injection holes for spraying flares. Further, the refractory structure is either a clay layer attached to the inner side of the small opening of the conical shell, or a thin sheet of tin foil attached to the inner side of the small opening of the conical shell. During ignition, the flares generated by the combustion of the propellant are ejected through the injection holes of the refractory structure. The refractory structure withstands the high temperature of the flares, reducing the impact of the flares on the conical shell and thus lowering the performance requirements and production costs of the conical shell.

[0036] In an alternative implementation, refer to Figure 2 A paper layer 60 is arranged at the bottom of the mud base structure 30; the paper layer 60 is adhered to the mud base structure 30, and the four edges of the paper layer 60 are adhered to the inner wall of the conical shell 10. This design allows the mud base structure 30 and the conical shell 10 to be better integrated, making the structure more stable and preventing damage from stress during combustion.

[0037] In an alternative embodiment, the conical fireworks also include conical wrapping paper; the conical wrapping paper is adapted to the outer surface of the conical shell 10 and is adhered to the outer surface of the conical shell 10 by adhesive.

[0038] In an alternative implementation, refer to Figure 2 A flame-retardant layer 15 is arranged on the inner surface of the conical shell 10, and the flame-retardant layer 15 covers at least the area of ​​the drug layer 20. The flame-retardant layer can reduce the impact of the combustion chamber on the inner wall of the paper tube, thereby improving the combustion time and combustion effect.

[0039] Figure 3 This application illustrates a cone-shaped firework according to a third embodiment. The cone-shaped firework includes a cone-shaped shell 10, a propellant layer 20, a mud-bottom structure 30, and a fuse 40. The cone-shaped shell 10 has a cone-shaped cavity inside, with a small opening 11 at the top and a large opening 12 at the bottom. The propellant layer 20 is disposed within the cone-shaped cavity and is used to generate jet flames. The mud-bottom structure 30 is disposed within the cone-shaped cavity and located below the propellant layer 20. The lower end of the fuse 40 is inserted into the cone-shaped shell 10 and joined to the propellant layer 20, while the upper end extends out of the cone-shaped shell 10 through the small opening 11 at the top. During ignition, the user ignites the fuse 40, which ignites the propellant layer 20. The flames generated by the combustion of the propellant layer 20 are ejected through the small opening 11 at the top of the cone-shaped shell 10. During ignition, a cone-shaped combustion chamber is formed in the upper part of the cone-shaped shell 10. As the propellant layer burns from top to bottom, the combustion area gradually increases, resulting in higher and wider flames.

[0040] The conical shell 10 includes a first conical paper tube 13 and a second conical paper tube 14; the first conical paper tube 13 is fitted and sleeved around the outer periphery of the second conical paper tube 14; the first conical paper tube 13 is formed by rolling a first layer of paper; the second conical paper tube 14 is formed by rolling a second layer of paper. Further, the first conical paper tube 13 and the second conical paper tube 14 are bonded together with adhesive. Figure 3 In the structure shown, both the first conical paper tube 13 and the second conical paper tube 14 cover the area of ​​the drug layer 20. The first conical paper tube 13 only covers a local height range of the conical shell 10 from the small opening 11 downwards, while the second conical paper tube 14 covers the entire height range of the conical shell 10. In this design, on the one hand, the first conical paper tube 13 and the second conical paper tube 14 can be formed separately, reducing the thickness of a single conical paper tube and making manufacturing easier. Furthermore, when the two are stacked together, a thicker conical shell 10 can be obtained, making it suitable for conical fireworks with large drug charges and long burning times. On the other hand, the first conical paper tube 13 only covers a local height range, effectively reducing paper consumption and lowering costs.

[0041] In an alternative implementation, refer to Figure 3 A circumferential refractory structure 50 is arranged around the inner side of the small opening 11 of the conical shell 10. The inner ring of the refractory structure 50 contains injection holes for spraying flares. Further, the refractory structure is either a clay layer attached to the inner side of the small opening of the conical shell, or a thin sheet of tin foil attached to the inner side of the small opening of the conical shell. During ignition, the flares generated by the combustion of the propellant are ejected through the injection holes of the refractory structure. The refractory structure withstands the high temperature of the flares, reducing the impact of the flares on the conical shell and thus lowering the performance requirements and production costs of the conical shell.

[0042] In an alternative implementation, refer to Figure 3 A paper layer 60 is arranged at the bottom of the mud base structure 30; the paper layer 60 is adhered to the mud base structure 30, and the four edges of the paper layer 60 are adhered to the inner wall of the conical shell 10. This design allows the mud base structure 30 and the conical shell 10 to be better integrated, making the structure more stable and preventing damage from stress during combustion.

[0043] In an alternative embodiment, the conical fireworks also include conical wrapping paper; the conical wrapping paper is adapted to the outer surface of the conical shell 10 and is adhered to the outer surface of the conical shell 10 by adhesive.

[0044] In an alternative implementation, refer to Figure 3 A flame-retardant layer 15 is arranged on the inner surface of the conical shell 10, and the flame-retardant layer 15 covers at least the area of ​​the drug layer 20. The flame-retardant layer can reduce the impact of the combustion chamber on the inner wall of the paper tube, thereby improving the combustion time and combustion effect.

[0045] In the above embodiments of this application, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments.

[0046] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified. It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0047] The specific embodiments described herein are merely illustrative examples of the technical solutions of this application. Those skilled in the art to which this application pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, but without departing from the scope defined by the claims of this application.

Claims

1. A cone-shaped firework, characterized in that, The cone-shaped fireworks include: A conical shell, wherein a conical cavity is formed inside the conical shell, and the top is a small opening and the bottom is a large opening; A drug layer, which is arranged inside the conical cavity, is used to burn and generate jet flames; A mud-bottom structure is arranged inside the conical cavity and located below the drug layer; The lead wire has its lower end inserted into the conical shell and bonded to the drug layer, while its upper end extends out of the conical shell through a small opening at the top. The conical shell includes a first conical paper tube and a second conical paper tube; the first conical paper tube is fitted and sleeved around the outer periphery of the second conical paper tube; the first conical paper tube is rolled from a first layer of paper; the second conical paper tube is rolled from a second layer of paper; the first conical paper tube at least covers the area of ​​the drug layer; the second conical paper tube at least covers the area of ​​the drug layer.

2. The cone-shaped firework according to claim 1, characterized in that, The first layer of conical paper tubes only covers a local height range of the conical shell from the small opening downwards; the second layer of conical paper tubes covers the entire height range of the conical shell.

3. The cone-shaped firework according to claim 1, characterized in that, The first layer of conical paper tubes covers the entire height range of the conical shell; the second layer of conical paper tubes only covers a local height range of the conical shell from the small opening downwards.

4. The cone-shaped firework according to claim 1, characterized in that, The first and second conical paper tubes are bonded together with adhesive.

5. The cone-shaped firework according to claim 1, characterized in that, A ring of refractory structure is arranged around the inner side of the small opening of the conical shell, and a jet hole for spraying flames is formed in the inner ring of the refractory structure.

6. The cone-shaped firework according to claim 1, characterized in that, A paper layer is arranged at the bottom of the mud bottom structure; the paper layer is adhered to the mud bottom structure, and the four edges of the paper layer are adhered to the inner wall of the conical shell.

7. The cone-shaped firework according to claim 1, characterized in that, The cone-shaped fireworks also include: cone-shaped wrapping paper; the cone-shaped wrapping paper is adapted to the outer surface of the cone-shaped shell and is adhered to the outer surface of the cone-shaped shell by adhesive.

8. The cone-shaped firework according to claim 1, characterized in that, A flame-retardant layer is disposed on the inner surface of the conical shell, the flame-retardant layer at least covering the extent of the drug layer.

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