Integrally-formed environment-friendly firework inner barrel made of bio-based polymeric material
By using one-piece molded bio-based polymer materials to make firework inner tubes, the production process is simplified, product stability and safety are improved, and environmental protection and biodegradability are achieved, solving the cumbersome process and safety hazards of existing firework inner tubes.
Patent Information
- Application Number
- CN202423063032.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-12-12
AI Technical Summary
The production process of existing fireworks inner tubes is complicated, the production cycle is long, the cost is high, they are easily affected by weather and pose safety hazards, and the scattered mud causes environmental pollution.
The barrel and upper port plug are made of one-piece bio-based polymer material, eliminating the rolling and mud-beating processes. A micro-trumpet-shaped powder hole and a conical plug structure are used to achieve rapid infusion and ignition.
Simplify the production process, improve product quality stability, reduce safety hazards, be environmentally friendly and degradable, and have a good firing effect.
Smart Images
Figure CN223435514U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fireworks inner tube technical field more specifically relates to a kind of integrated forming bio-based polymeric material environmental protection fireworks inner tube. BACKGROUND
[0002] In prior art, fireworks inner tube is all paper cylinder body rolled, and the shape of cylinder body includes cylindrical cylinder (also known as straight type cylinder), spherical cylinder or other special-shaped cylinder etc. The upper end of cylinder body is first blocked by mud head built by mud, and the process is called mud head, and mud in cylinder body is pressed into shape by external force (such as oil press) under the cooperation of mould, and mud head center opening is inserted with a lead. Fireworks are filled in cylinder body, and then lower end is sealed by sealing agent. Fireworks inner tube ignites lead in upper end of inner tube under the action of outer cylinder and is launched to high altitude. Inner tube ignites fireworks in inner tube through lead during launching to high altitude. Inner tube fireworks explode at high altitude, thereby forming thundering sound or forming various fireworks patterns.
[0003] The disadvantages of prior art are as follows: firstly, the process is complicated, and paper cylinder body needs to be rolled, cut and made, and then mud head is made and lead is inserted, so that production cycle is long, and production cost is high; secondly, the way of igniting fireworks in inner tube by lead is greatly influenced by weather environment, and frequent fireout and extinguishing phenomenon occurs, product quality is unstable, and unexploded inner tube will cause great safety hazard after falling; thirdly, the existing paper inner tube product adopts mud head to seal upper end, and mud scattered after explosion at high altitude is easy to fall on the body and eyes of observer, which causes certain safety hazard and forms certain environmental pollution.
[0004] Therefore, it is an urgent problem for those skilled in the art to provide a kind of integrated forming bio-based polymeric material environmental protection fireworks inner tube. UTILITY MODEL CONTENT
[0005] Therefore, the utility model provides a kind of integrated forming bio-based polymeric material environmental protection fireworks inner tube, has changed traditional lead ignition mode, reduced safety hazard, simplified manufacturing process, unified specification, higher launching height, good fireworks display effect, green environmental protection, natural degradation after display and other characteristics.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of integrated forming bio-based polymeric material environmental protection fireworks inner tube, its composition includes cylinder body, and the cylinder body is composed of inner tube and upper end port plug for blocking the upper end of the inner tube;Wherein, the inner tube is used to fill fireworks medicine inside;The upper end of over fire medicine hole is in ladder type micro-horn shape, and the diameter of upper end is greater than the diameter of lower end;The upper end of the upper end port plug is in conical type, and the central part of plug cylinder is in micro-concave spherical type;Over fire medicine hole is set in the center position of the upper end port plug, for filling over fire medicine.
[0007] Preferably, in the above-mentioned one-piece bio-based polymeric material environmental protection fireworks inner tube, the over-burning charge filling hole has an upper end diameter of 4-6 mm and a lower end diameter of 2-4 mm, and the over-burning charge filling hole is lower than the top of the tube body by 1-2 mm and extends downward to the inner tube inside the tube body.
[0008] Preferably, in the above-mentioned one-piece bio-based polymeric material environmental protection fireworks inner tube, the over-burning charge filling hole is filled with over-burning charge, and the over-burning charge is quickly filled and solidified.
[0009] Preferably, in the above-mentioned one-piece bio-based polymeric material environmental protection fireworks inner tube, the tube body has a cylindrical tube, a spherical tube or another special-shaped tube.
[0010] Preferably, in the above-mentioned one-piece bio-based polymeric material environmental protection fireworks inner tube, the tube body, the over-burning charge filling hole and the upper end plug are one-piece and are formed by one-step die molding of bio-based polymeric material.
[0011] Preferably, in the above-mentioned one-piece bio-based polymeric material environmental protection fireworks inner tube, the over-burning charge filling hole is further provided with annular adjusting grooves on both sides.
[0012] According to the above technical solution, compared with the prior art, the one-piece bio-based polymeric material environmental protection fireworks inner tube has the following advantages:
[0013] 1. The one-piece bio-based polymeric material environmental protection fireworks inner tube discards the processes of tube body rolling, mud head beating and lead insertion, simplifies the manufacturing process of the fireworks inner tube, shortens the production cycle of the fireworks inner tube and reduces the production cost.
[0014] 2. The tube body and the over-burning charge filling hole of the bio-based polymeric material environmental protection fireworks inner tube have uniform size and specification, are not easily affected by the weather environment, greatly reduce the phenomenon of fire extinguishing and explosion, have stable product quality and reduce the great safety hazard caused by the unexploded fireworks inner tube.
[0015] 3. The bio-based polymeric material die molding environmental protection fireworks inner tube does not scatter and fall on the observer and into the eyes after high-altitude explosion, reduces the safety hazard, is a pure natural and environmental protection product using bio-based polymeric material, can be naturally degraded, can be recycled as papermaking raw material and can be used as fuel for secondary use. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only constitute a part of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of the provided drawings.
[0017] Fig. 1 The drawing is a structural schematic diagram of the present application.
[0018] Fig. 2 The drawing is a sectional schematic diagram of the present application.
[0019] In the drawing: 1, barrel; 2, inner barrel; 3, upper end plug; 4, firework medicine; 5, fire medicine filling hole. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments only constitute a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0021] Please refer to the accompanying Figs. 1-2 The present application discloses an integrally formed bio-based polymeric material environment-friendly firework inner barrel, which specifically comprises: a barrel 1 mainly composed of an inner barrel 2 and an upper end plug 3 for plugging the upper end of the inner barrel 2.
[0022] The inner barrel 2 is filled with firework medicine 4. A fire medicine filling hole 5 is formed in the center of the upper end plug 3. The upper end of the fire medicine filling hole 5 is in a stepped micro-horn shape, the upper end diameter of the fire medicine filling hole 5 is 4-6 mm, and the lower end diameter is 2-4 mm. The top center of the upper end plug 3 is in a conical shape, and the inner bottom center of the barrel is in a micro-concave spherical shape. The fire medicine filling hole 5 is lower than the top of the barrel by 1-2 mm, and the bottom of the inner barrel 2 is 3 mm, extending upward to the inside of the inner barrel 2, and being 13.5 mm away from the bottom of the inner barrel 2.
[0023] The fire medicine filling hole 5 can quickly fill the fire medicine inward through the unique conical structure, quickly infuse the fire medicine and solidify into a shape. The ignited combustion area is larger, directly affecting the combustion mode and combustion speed of the fire medicine. The upper end of the fire medicine filling hole is in a larger conical shape, having a larger air contact area, so that the combustion is more sufficient, and then the firework medicine is ignited through the fire medicine filling hole;
[0024] The outer shape of the barrel 1 includes, but is not limited to, a cylindrical barrel, a spherical barrel, or other irregularly shaped barrel.
[0025] The barrel 1, the overfire powder filling hole 5, and the lower end port plug 3 are integrally formed by one-step molding of a bio-based polymer material.
[0026] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other. For the device disclosed by the embodiments, since it corresponds to the method disclosed by the embodiments, the description is relatively simple, and the relevant parts can be referred to the method part.
[0027] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to the embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. An environmentally friendly firework inner tube made of an integrally formed bio-based polymer material, characterized by: The firework inner tube is integrally formed and comprises at least an inner tube, an upper end plug, and a powder filling hole; The inner cylinder is a receiving cavity placed inside the cylinder body and is used to fill fireworks powder; The upper port plug is a side blocking structure of the inner cylinder and is integrally formed with the inner cylinder; The powder filling hole is provided on the upper port plug, and the powder outside the plug is connected with the fireworks powder in the inner tube through the powder filling hole; The upper end of the gunpowder filling hole is in a stepped micro-horn shape, and the diameter of the upper end of the gunpowder filling hole is larger than the diameter of the lower end; the center of the top of the upper port plug is conical, and the center of the plug tube is slightly concave spherical; a gunpowder filling hole is opened at the center of the upper port plug for filling gunpowder.
2. The one-piece bio-based polymer material environmentally friendly firework inner cylinder according to claim 1 is characterized in that: The diameter of the upper end of the gunpowder hole is 4-6 mm, and the diameter of the lower end is 2-4 mm. The gunpowder filling hole is 1-2 mm lower than the top of the cylinder and extends downward to the inside of the cylinder.
3. The one-piece bio-based polymer material environmentally friendly firework inner cylinder according to claim 1 is characterized in that: The powder filling hole is filled with powder, which is quickly poured and solidified into shape.
4. The one-piece bio-based polymer material environmentally friendly firework inner cylinder according to claim 1 is characterized in that: The outer shape of the cylinder is a cylindrical cylinder, a spherical cylinder or other special-shaped cylinders.
5. The one-piece bio-based polymer material environmentally friendly firework inner cylinder according to claim 1 is characterized in that: The inner tube of the firework, the gunpowder filling hole and the upper port plug are molded in one step using bio-based polymer materials, forming an integrated structure.
6. The one-piece bio-based polymer material environmentally friendly firework inner cylinder according to claim 2 is characterized in that: Annular adjustment grooves are also provided on both sides of the powder filling hole.