CN206019490U

CN206019490U - A kind of firecrackers

Info

Publication number: CN206019490U
Application number: CN201620849218.9U
Authority: CN
Inventors: 冯华文; 孙如意
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-08
Filing date: 2016-08-08
Publication date: 2017-03-15
Anticipated expiration: 2026-08-08

Abstract

The utility model provides a kind of firecrackers, the ignitor that firecrackers of the present utility model include bellows housing and are arranged on the cyst wall of bellows housing, bellows housing is integrally formed and there is inflation position, cyst wall at inflation position neighbouring position forms hot melt structure, equipped with the explosive mixture being made up of fuel gas and combustion-supporting gas injected by setting ratio from inflation position in the inner chamber of bellows housing, hot melt structure sealing by fusing is inflated position and makes bellows housing form closed structure.Explosive mixture in bellows housing is lighted by ignitor and explodes and produce big gun sound when setting off by this firecrackers, and explosive mixture does not generate solid product and pernicious gas, does not result in atmosphere pollution and environmental pollution.

Description

A kind of firecrackers

Technical field

The utility model is related to a kind of firecrackers.

Background technology

Traditional firecrackers are mainly fills gunpowder in the inner chamber of tubular paper shell, then by the port sealing of paper shell, and from Lead is from inside to outside drawn in one end of paper shell, and wherein tubular paper shell is firecrackers shell.After a combustion wire, by lead by paper shell Interior propellant ignition, powder burning simultaneously explode, so as to produce big gun sound.This firecrackers can be produced during setting off in a large number Pernicious gas and flue dust, cause atmosphere pollution；Meanwhile, the paper shell of firecrackers is scraped, and also produces substantial amounts of shredded paper bits, and inconvenience is clear Reason.

Utility model content

The purpose of this utility model is to provide a kind of environmental protection firecrackers, in order to solve the firecrackers of traditional filling gunpowder in combustion The problem of environment is polluted after putting.

Firecrackers of the present utility model include that firecrackers shell, the firecrackers shell include bellows housing and be arranged in bellows housing A pair of ignitors on cyst wall, the bellows housing integrated injection molding and have inflation position, inflate position neighbouring position The cyst wall at place forms hot melt structure, is equipped with from inflation position by setting ratio injection by fuel gas in the inner chamber of bellows housing With the explosive mixture of combustion-supporting gas composition, inflation position is made bellows housing form closed structure by hot melt structure sealing by fusing.This Firecrackers are planted when setting off, the explosive mixture in bellows housing is lighted by ignitor, explosive mixture occurs blast and produces Raw big gun sound, this firecrackers do not generate solid product or pernicious gas, do not result in atmosphere pollution and environmental pollution, set off ring Protect.

As the further improvement to firecrackers shell of the present utility model, the thickness of hot melt structure at least above cyst wall with The thickness of hot melt structure adjacent part, so when the breach at inflation position is crammed by hot melt structure is heated fusing, no The cyst wall rupture for inflating near sites can be caused, it is ensured that the sealing of bellows housing cavity.

Or the hot melt structure of firecrackers shell of the present utility model can protrude to form projection to the outside of bellows housing, so When the breach at inflation position is crammed by hot melt structure is heated fusing, also not easily lead to the cyst wall for inflating near sites Rupture.

Further, bellows housing can be set to slender structure, and inflation position and ignitor are respectively positioned at elongated The two ends of type bellows housing, are so easy to process.

Further, volume of the volume of the explosive mixture in bellows housing cavity less than bellows housing cavity, this Even if sample is in manufacture or transportation, bellows housing is not completely enclosed, and the fuel gas in its inner chamber also will not be to leaking Dew.

Further, two electrodes of ignitor are by solid conductor and to pack tightly the plastic cord outside solid conductor The single core cable that skin is constituted, such ignitor can be easier to be consolidated with bellows housing, it is ensured that bellows housing exists Sealing at ignitor, while the pliability of single core cable is preferably, is easy to wiring.

Description of the drawings

Fig. 1 is the structural representation of the embodiment one of firecrackers of the present utility model；

Fig. 2 is the structural representation of the embodiment two of firecrackers of the present utility model；

Fig. 3 is the structural representation of the embodiment three of firecrackers of the present utility model；

Fig. 4 is the structural representation of the firecrackers shell in the example IV of firecrackers of the present utility model；

Fig. 5 is the structural representation of another kind of embodiment of firecrackers of the present utility model.

Specific embodiment

Below in conjunction with the accompanying drawings embodiment of the present utility model is described further.

The embodiment one of firecrackers of the present utility model, as shown in figure 1, including firecrackers shell, firecrackers shell is included using plastic cement material The bellows housing 1 of material integrated injection molding, bellows housing 1 have sealed internal chamber 10.A pair are equipped with the cyst wall of bellows housing 1 Ignitor, ignitor include that sparking electrode 21 and earth electrode 22, sparking electrode 21, earth electrode 22 have one end to be exposed at Stretch in the sealed internal chamber 10 of bellows housing in the outside of bellows housing, one end.Bellows housing has inflation position 11, inflates position The cyst wall of 11 neighbouring positions forms hot melt structure 12.

This firecrackers pierce through the cyst wall of bellows housing from inflation position 11 during fabrication, first with air tube and stretch into closed interior In chamber 10, then by air tube in sealed internal chamber 10 according to setting ratio be filled with by fuel gas and combustion-supporting gas constitute quick-fried Fried gaseous mixture, then extract air tube and to heating at hot melt structure 12, make the plastic cement melted by heat at hot melt structure and fill up The breach passed by air tube, will inflate position sealing by fusing and ensure that the inner chamber of bellows housing is in air-tight state.Or can also be After air tube is penetrated in the inner chamber of bellows housing, first the original air in inner chamber is completely or partially extracted out, then to inner chamber In be filled with explosive mixture according to setting ratio.

Wherein, explosive mixture can be the mixed gas mixed by oxygen and acetylene, or oxygen and methane mixed The mixed gas that closes, or the mixed gas that oxygen and hydrogen are mixed；Setting ratio refers to the concentration of mixed gas Ratio is within the scope of explosion limit.

This firecrackers produce electric spark by the sparking electrode 21 of ignitor to the electric discharge of earth electrode 22 when setting off, Explosive mixture in sealed internal chamber 10 is ignited and exploded by electric spark, so as to produce big gun sound.When explosive mixture is During the mixed gas of acetylene or methane and oxygen, blast generates carbon dioxide and water；When explosive mixture is hydrogen and oxygen During mixed gas, blast generates water, does not have other solid products or pernicious gas, does not result in environmental pollution；Additionally, bellows Housing is burst, and is compared traditional paper web firecrackers shell and will not be produced shredded paper bits, also allows for clearing up.

The firecrackers of the present embodiment, ignitor are pulsed ignitor, the sparking electrode 21 of ignitor and ground connection electricity The two ends that pole 22 is located in 1 inner chamber of bellows housing are close to each other, are easy to electric discharge sparking, certainly, in other embodiments, ignition power The ignitor of other forms can extremely be adopted.1 one-tenth slender type of bellows housing, ignitor and inflation position are located at bellows respectively The two ends of housing 1, it is to avoid air tube and the interference of motor, are easy to inflate, certainly, in other embodiments, such as in the horizontal stroke of firecrackers To size larger when, inflate position can also with ignitor be located at slender type bellows housing side on；Or bellows housing Can also be spherical.Sparking electrode and earth electrode can be bare conductor, naturally it is also possible to be by solid conductor and to pack tightly The single core cable that the plastic cord skin of wire is constituted, it is preferable that sparking electrode and earth electrode are single core cable, so in injection When single core cable plastic peel preferably can consolidate with the cyst wall of bellows housing, it is ensured that the sealing effect of bellows housing cavity Really, meanwhile, single core cable has certain pliability, facilitates wiring.

When being filled with explosive mixture in the inner chamber to bellows housing, if the volume of the explosive mixture being filled with is more than capsule The volume of sandwich type element inner chamber, and deform bellows case swells, then during manufacture, transport or storage, once bellows shell When poorly sealed problem occurs in body, the explosive mixture in bellows housing cavity will manufactured, transporting or depositing to outward leakage The firecrackers quantity put is larger and during larger explosive mixture amount that reveal, very big dangerous hidden danger can be brought.It is therefore preferred that The volume of the explosive mixture being filled with bellows housing cavity during fabrication, can be made to be less than the volume of bellows housing cavity, and Make bellows housing slightly deflated.Accordingly even when bellows housing seal is not tight during manufacture, transport or storage, quick-fried inside which Fried gaseous mixture can be to outward leakage, but outside air is entered in bellows housing, improves security.

The utility model additionally provides the embodiment two of firecrackers, and embodiment two is essentially consisted in the difference of embodiment one Hot melt structure.As shown in Fig. 2 in embodiment two, in order to avoid heating to hot melt structure 12 and sealing by fusing air tube is in charging portion During the perforation passed at position 11, at 12 position of hot melt structure, thickness is too thin or even broken hole, makes the thickness of hot melt structure 12 in injection Thickness with hot melt structure adjacent part of the degree more than cyst wall.The thickness of hot melt structure is larger, and plastic layer is thicker, fills up in fusing During perforation, even if the thickness of hot melt structure is drawn thin, also it is not easy broken hole, improves bellows housing airtight performance.

The utility model additionally provides the embodiment three of firecrackers, and embodiment three lies also in heat with the difference of embodiment one Clinkering structure.As shown in figure 3, in embodiment three, hot melt structure 12 protrudes to form projection to the outside of bellows housing 1, raised Be in order to increase inflation position 12 near plastic cement amount, it is to avoid in the perforation that sealing by fusing air tube is passed, broken hole at hot melt structure.

The utility model additionally provides the example IV of firecrackers, as shown in figure 4, example IV different from embodiment one it It is different that place essentially consists in firecrackers shell.In example IV, on the cyst wall of bellows housing 1, pin hole, now, capsule is formed in injection The inner chamber 10 of sandwich type element is not closed.The pin hole used as inflation position 11, when firecrackers are processed, directly can be stretched by pin hole by air tube Enter in the inner chamber of bellows housing, explosive mixture is filled in inner chamber, after the completion of inflation, extract air tube and by pin hole sealing by fusing. After in air tube insertion pin hole, it is also possible to first completely or partially extract the air in bellows housing cavity out, be re-filled with blast mixed Close gas.

In the embodiment of above-mentioned many firecrackers, the centre position that position is respectively positioned on hot melt structure, i.e. hot melt structure is inflated Ring is located at around inflation position, in other embodiments, as shown in figure 5, hot melt structure may be located at the side at inflation position.

Firecrackers simple structure of the present utility model, easy to process, clean environment firendly.Compare gunpowder is loaded with traditional paper web Firecrackers lighter in weight, is readily transported, and in manufacture process, security is higher.

Claims

1. a kind of firecrackers, including firecrackers shell, is characterized in that, the firecrackers shell includes bellows housing and is arranged in bellows housing A pair of ignitors on cyst wall, the bellows housing integrated injection molding and have inflation position, inflate position neighbouring position The cyst wall at place forms hot melt structure, is equipped with from inflation position by setting ratio injection by fuel gas in the inner chamber of bellows housing With the explosive mixture of combustion-supporting gas composition, inflation position is made bellows housing form closed structure by hot melt structure sealing by fusing.

2. firecrackers according to claim 1, is characterized in that, the thickness of the hot melt structure is at least above cyst wall and hot melt The thickness of structure adjacent part.

3. firecrackers according to claim 1, is characterized in that, the hot melt structure protrude to the outside of bellows housing to be formed convex Rise.

4. the firecrackers according to claim 1-3 any one, is characterized in that, the bellows housing be slender type, charging portion Position and ignitor are located at the two ends of slender type bellows housing respectively.

5. the firecrackers according to claim 1-3 any one, is characterized in that, the body of the fuel gas in bellows housing cavity Volume of the product less than bellows housing cavity.

6. the firecrackers according to claim 1-3 any one, is characterized in that, the ignitor is pulsed ignition power Pole.

7. the firecrackers according to claim 1-3 any one, is characterized in that, two electrodes of ignitor are by single The single core cable that wire is constituted with the plastic cord skin packed tightly outside solid conductor.