CN210922363U

CN210922363U - Spray decoration type firework

Info

Publication number: CN210922363U
Application number: CN201921772187.1U
Authority: CN
Inventors: 黄基伟; 廖建辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-07-03
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses a firework with spraying decoration, which comprises a firework tube filled with firework powder, wherein the upper port of the firework tube is provided with a jet orifice, and the firework powder is provided with an electronic ignition component; the lower port of the firework tube is communicated with an oxygen pressure tank through an electromagnetic valve; the electronic ignition assembly and the solenoid valve are electrically connected with a power supply through an electrical switch. The height of the spray decoration is greatly increased during the setting off; the smoke and peculiar smell can be greatly reduced, the flame color is pure, and the sprayed substances have no combustion residues; the safety in the production, storage, transportation and setting off processes is substantially improved; meanwhile, the device has the advantages of small size, simple structure and low cost.

Description

Spray decoration type firework

Technical Field

The invention relates to a firework product, in particular to a firework product with spray decoration.

Background

The firework product is mainly sprayed with flame, spark and sound (sound bead) in the vertical direction when the firework product is set off. The firework product adopts firework powder prepared from combustible metal powder (such as titanium powder, zirconium powder and the like), propellant (such as single-base powder and the like) and oxidant (such as potassium chlorate, potassium perchlorate and the like), the firework powder is filled in a firework tube 101 shown in fig. 1, and a blocking layer 102 at the upper port of the firework tube 101 is provided with a jet orifice 103. Due to insufficient combustion, existence of various factors such as medicine impurities and the like, oxynitride, chloride and sulfide generated during setting off easily generate smoke and peculiar smell, influence the environment and destroy the impression of audiences, and are particularly serious in the situations of indoor setting off, stage setting off and the like; the flame color of the spraying flame sprayed by the spray opening 103 is impure, and the burning effect is influenced; residues of the sprayed substances burn floors or carpets, so that the environmental sanitation is damaged; the launching height of the existing firework product is limited to 3-5 meters due to the launching capability of the pyrotechnic composition, so that great breakthrough is difficult to occur; the safety of production, storage, transportation and setting off is difficult to improve.

The industry is limited by the traditional firework technology thinking, the defects are solved by the improvement of firework powder, for example, the smoke can be reduced by adopting micro-smoke type oxidants such as ammonium perchlorate, ferrocene, hydrazine hydrate and the like, but the odor is increased (ammonium perchlorate) or the potential safety hazard is increased (ferrocene, hydrazine hydrate) and other problems are caused, and the firework powder capable of comprehensively solving the defects is not found.

Some firework effect simulating mechanical firing devices have been developed in the prior art, which are typically represented by the disclosures of numerous patent documents entitled "a cold firework device". These devices are compared to spray fireworks products: the volume is too large and the compact arrangement is difficult to set off; the structure is complex, and the working reliability needs to be improved; the cost is high and the method is not suitable for common civil ignition. The method completely breaks away from the category of spraying fireworks products without using fireworks and chemicals, does not accord with the consumption habit and the aesthetic feeling of the traditional fireworks, and can not solve the problems of flame color, residues and the like.

Disclosure of Invention

In order to solve the above drawbacks, the invention provides a firework product with pure flame color, no combustion residue in the sprayed material, and improved emission height and safety. In order to solve the technical problems, the invention adopts the technical scheme that the firework comprises a firework tube filled with firework powder, wherein the upper port of the firework tube is provided with a jet orifice; the firework powder is characterized in that an electronic ignition assembly is arranged on the firework powder; the lower port of the firework tube is communicated with an oxygen pressure tank through an electromagnetic valve; the electronic ignition assembly and the solenoid valve are electrically connected with a power supply through an electrical switch.

Preferably, the pyrotechnic charge is composed of a combustible metal powder (e.g., titanium powder, zirconium powder, etc.), an propellant (e.g., a mono-based powder, etc.). The firework tube is not filled with oxidant any more, so that the safety is ensured.

Preferably, the electronic ignition assembly comprises an electric ignition head connected with the pyrotechnic charge, a conducting wire of the electric ignition head is connected with an electric switch, and the electric switch is a remote control switch. Ensuring the cooperative synchronism of oxygen supply and ignition; ensuring the safety.

Preferably, the power source is a battery.

Preferably, the communication between the lower port of the firework tube and the oxygen pressure tank adopts a detachable structure. The split type storage is convenient for separate storage in the storage and transportation processes, and the potential safety hazard in the storage and transportation process is avoided.

Preferably, the firework tube consists of an inner tube and an outer tube, and the inner tube filled with the firework drug is sleeved in the outer tube，An air gap is formed between the inner cylinder and the outer cylinder; the lower port of the inner cylinder is closed and the upper port is opened; the upper port of the outer cylinder is provided with the jet orifice, the lower port of the outer cylinder is closed by a bottom plug, the bottom plug is provided with an air inlet hole, and the air inlet hole is communicated with the oxygen pressure tank through the electromagnetic valve. After oxygen discharged from the oxygen pressure tank enters the outer cylinder through the air inlet, the oxygen bypasses the upper port of the outer cylinder through the air passing gap to supply oxygen and pressurize to the pyrotechnic composition. Is favorable for stable spraying decoration and improvement of emission height during setting off. Furthermore, the upper end surface of the bottom plug is provided with an air guide groove communicated with the air inlet hole. The balance of spraying oxygen supply is ensured. Furthermore, the air inlet is arranged in the center of the bottom plug, and the air guide grooves are uniformly distributed in the center of the air inlet.

The invention has the beneficial effects that under the combined action of oxygen pressurization and pyrotechnic composition gas making, the height of the firework is greatly increased during burning, and the firework height can reach 6-7 m; the full combustion of firework powder can be realized, and meanwhile, the impurities of combustion substances are greatly reduced, so that the smoke during the combustion can be greatly reduced, the indoor combustion has no peculiar smell, the flame color is pure, and the sprayed substances have no combustion residues; the firework cylinder can realize the assembly of the pyrotechnic composition without an oxidant, can realize the split storage and transportation of oxygen and the pyrotechnic composition, and substantially improves the safety in the production, storage, transportation and set-off processes; meanwhile, the device has the advantages of small size, simple structure and low cost.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" or "in communication" with another element, it can be directly connected (or in communication) to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Drawings

FIG. 1 is a schematic structural diagram of a conventional firework spray;

FIG. 2 is a first schematic view of an assembly structure of the flower-spraying firework of the invention;

FIG. 3 is a schematic view of an assembly structure of the flower-spraying firework of the invention;

FIG. 4 is a schematic view of a split structure of the flower-spraying firework of the present invention;

FIG. 5 is a schematic view of a split structure of the oxygen pressure tank, the electromagnetic valve and the bottom plug;

FIG. 6 is a schematic view of the packaging structure of the flower-spraying firework of the present invention.

Detailed Description

Referring to the drawings, a specific structure of the invention is reflected. The firework comprises a firework tube filled with firework powder, wherein in the embodiment, the firework tube consists of an inner tube 8 and an outer tube 1, the firework powder is filled in the inner tube 8, the firework powder consists of 15% of titanium powder and 85% of single-base powder in parts by weight, and the titanium powder and the single-base powder are uniformly mixed and filled according to the traditional firework powder processing method. The firework tube is not filled with oxidant any more to ensure safety.

The inner cylinder 8 is sleeved in the outer cylinder 1, and the outer diameter of the inner cylinder 8 is smaller than the inner diameter of the outer cylinder 1, so that an air gap exists between the inner cylinder and the outer cylinder. The lower end opening of the inner cylinder 8 is closed, the upper end opening is opened, the upper end opening of the outer cylinder 1 is provided with a jet orifice 7, and the firework powder is ignited and then jetted from the jet orifice 7 to form a firework spraying effect.

The lower port of the outer cylinder 1 is nested on the assembly step 904 of the bottom plug 9, and glue can be applied on the assembly step 904, so that the bottom plug 9 hermetically seals the lower port of the outer cylinder 1. An air inlet hole 901 is formed in the bottom plug 9, the air inlet hole 901 is communicated with an air pipe 903 provided with an external thread, an air vent 601 of the electromagnetic valve 6 is provided with an internal thread, an external thread is formed on an air tap 401 of the oxygen pressure tank 4, and the upper end and the lower end of the air vent 601 are respectively in threaded connection with the air pipe 903 and the air tap 41, so that the lower port of the outer barrel 1 is communicated with the oxygen pressure tank 4 through the electromagnetic valve 6, and a detachable communication. The detachable communication structure can also adopt other modes such as clamping connection and the like. The valve of the electromagnetic valve 6 controls the oxygen supply of the oxygen pressure tank 4 by opening/closing the vent hole 601.

The upper end surface of the bottom plug 9 is provided with four air guide grooves 902 communicated with the air inlet holes 901, the air inlet holes 901 are arranged at the center of the bottom plug 9, and the four air guide grooves 902 are radially and uniformly distributed around the centers of the air inlet holes 901. After the electromagnetic valve 6 is opened, the oxygen discharged from the oxygen pressure tank 4 enters the outer cylinder 1 through the air inlet 901 and the four air guide grooves 902 in a balanced and uninterrupted manner, and then bypasses the inner cylinder 8 through the air passing gap to reach the upper port of the outer cylinder 1 to supply oxygen and pressurize to the burning pyrotechnic composition, so that the pyrotechnic composition cannot be directly blown out of the spray opening 7 and is not obstructed by the pyrotechnic composition filled in the inner cylinder, and therefore, the stable firework spraying and the improvement of the launching height during the burning are facilitated.

The firework powder is provided with an electronic ignition assembly, the electronic ignition assembly comprises an electric ignition head (not shown in the figure) connected with the firework powder, an ignition end of the electric ignition head can be buried in the firework powder, a conducting wire of the electric ignition head is connected with an electric switch 3, the electric switch 3 adopts a remote control switch, namely a signal receiving mechanism is arranged on the electric switch 3 to receive signals sent by a remote controller (not shown in the figure). The electrical switch 3 is also electrically connected to a solenoid valve 6, and the electronic ignition assembly and solenoid valve 6 are electrically connected to the battery pack 2 through the electrical switch 3. Ensuring the cooperative synchronism of oxygen supply and ignition; ensuring the safety.

The electric switch 3, the battery pack 2, the electromagnetic valve 6 and other components are arranged on the annular substrate 5, and the middle hole of the annular substrate 5 is sleeved at the bottom end part of the outer cylinder 1. The packing box is also provided with a bottom box body 11, a middle box body 12 and an upper box cover 13.

The above-mentioned implementation is only for clearly illustrating the technical solutions of the present invention, and is not to be construed as limiting the present invention in any way. The present invention has many known alternatives and modifications in the art, which fall within the scope of the present invention without departing from the spirit of the present invention.

Claims

1. A firework with spray decoration comprises a firework tube filled with firework powder, wherein a spray opening is formed in the upper end opening of the firework tube; the firework powder is characterized in that an electronic ignition assembly is arranged on the firework powder; the lower port of the firework tube is communicated with an oxygen pressure tank through an electromagnetic valve; the electronic ignition assembly and the solenoid valve are electrically connected with a power supply through an electrical switch.

2. The firework of claim 1, wherein the firework tube comprises an inner tube and an outer tube, the inner tube filled with the firework powder is sleeved in the outer tube, and an air gap is formed between the inner tube and the outer tube; the lower port of the inner cylinder is closed and the upper port is opened; the upper port of the outer cylinder is provided with the jet orifice, the lower port of the outer cylinder is closed by a bottom plug, the bottom plug is provided with an air inlet hole, and the air inlet hole is communicated with the oxygen pressure tank through the electromagnetic valve.

3. The firework of claim 2, wherein the upper end surface of the bottom plug is provided with an air guide groove communicated with the air inlet hole.

4. The firework of claim 3, wherein the air inlet holes are formed in the center of the bottom plug, and the plurality of air guide grooves are uniformly distributed in the center of the air inlet holes.

5. The firework of any one of claims 1 to 4, wherein the pyrotechnic charge is comprised of a combustible metal powder and a propellant.

6. The firework of any one of claims 1 to 4, wherein the electronic ignition assembly comprises an electric ignition head connected with the pyrotechnic charge, and a conducting wire of the electric ignition head is connected with an electric switch, and the electric switch is a remote control switch.

7. The firework of any of claims 1-4, wherein the power source is a battery.

8. The firework of any one of claims 1 to 4, wherein the lower port of the firework tube is communicated with the oxygen pressure tank by a detachable structure.