CN204649090U - Fire-proof and explosion-proof combined firework - Google Patents
Fire-proof and explosion-proof combined firework Download PDFInfo
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- CN204649090U CN204649090U CN201520232293.6U CN201520232293U CN204649090U CN 204649090 U CN204649090 U CN 204649090U CN 201520232293 U CN201520232293 U CN 201520232293U CN 204649090 U CN204649090 U CN 204649090U
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Abstract
The utility model discloses a kind of fire-proof and explosion-proof combined firework, comprise the launching seat body (1) and launch hole (2) thereof that are made by light fire-proof material, lead-in wire (3) is embedded with in launching seat body (1), the bottom of launch hole (2) is communicated with by lead-in wire (3), inner barrel (8) is provided with in launch hole (2), launching seat body (1) is provided with Tibetan and draws hole (4), ignition section of lead-in wire (3) is concealed and is drawn in hole (4) in Tibetan, also comprise a fireproof cover plate made by light fire-proof material (11), fireproof cover plate (11) is provided with launch hole fire prevention plug (6) and hole fire prevention plug (5) is drawn in Tibetan, fireproof cover plate (11) is covered launching seat body (1) is upper and launch hole fire prevention plug (6) is inserted in launch hole (2), Tibetan is drawn hole fire prevention plug (5) and is inserted into Tibetan and draws in hole (4).The utility model launch accuracy is high, the consumption of propellant powder is few, launch hole height is low, save manufacturing cost and improve safety coefficient, prevents external burning things which may cause a fire disaster to ignite fireworks, stops induced detonation accident and occur in production, transport, storage.
Description
Technical field
The utility model relates to a kind of fireworks, particularly relates to a kind of fire-proof and explosion-proof combined firework.
Background technology
Fireworks have long history in China, to be bright and colourfully loved by the people with it.There are a kind of fireworks at present, its structure is built with inner core at launching tube, cardboard is stamped in the upper end of inner core, lower end is placed with lower cardboard, between lower cardboard and the bottom of launching tube, propellant powder is housed, lower cardboard is provided with through hole, is ignited by the lead-in wire of inner core when being convenient to gun propellant combustion, be transmitted into by inner core in the air during gun propellant combustion, inner core aloft explosive combustion produces bright and colourful color.The effect of upper cardboard and lower cardboard is the gap covered between launching tube and inner core, and when making gun propellant combustion, its burning gases from the clearance leakage between launching tube and inner core, can not ensure launching effect.But it is complicated that its shortcoming existed is manufacturing process, its manufacturing process is the inner bottom part first propellant powder being placed on launching tube, cover lower cardboard again, then put into inner core, then cover cardboard, these are all manually complete, manufacturing time is long, affects the production efficiency of fireworks, improves the cost that fireworks manufacture, and lower cardboard and upper cardboard are transmitted in the air, affect environmental sanitation.
Because the gap coordinated of the inner core of traditional fireworks and launch hole is too large, in order to reach firing altitude, propellant powder will be increased, cause the consumption of propellant powder many, same firing altitude also needs the height of launching tube high, thus adds the volume of fireworks, adds storage and cost of transportation.
When traditional fireworks install lower cardboard and upper cardboard, because lower cardboard and upper cardboard can be out of shape, cause lower cardboard and upper paperboard card in launching tube, easily occur fried cylinder phenomenon.The gap of inner barrel and launching tube is large, is difficult to ensure launch accuracy.
Traditional launching seat adopts glue to be bonded together by multiple single launching tube made of paper, causes glue to lose efficacy owing to making moist, and when setting off, occur between multiple launching tube loosening falling down to the ground, inner barrel is injection 20-30 rice laterally, jeopardizes people life property safety.
Traditional launching seat adopts glue to be bonded together by multiple single launching tube made of paper, in man-made assembly process, due to artificial extruding, or paper web makes moist, paper web is easily out of shape, cause inner barrel can not emit in the launching tube of distortion, thus cause fried cylinder, on fire, easily produce security incident.
Traditional fireworks, because lead-in wire igniter head exposes and material is all paper fiber, at production, transport and memory period, very easily produce burning, blast, outside on fire, burning will cause the overall induced detonation of fireworks, often occur major accident, to national wealth, people's life works the mischief.
Fireworks to people with while for laughter, also there is huge potential safety hazard, the production of fireworks, transport, storage, all there is huge potential safety hazard, while people see fireworks, blast, fire will be associated, cause the psychological pressure that people are huge, also cause heavy losses to people's lives and properties, this is that traditional fireworks are inevitable simultaneously.
Utility model content
Technical problem to be solved in the utility model is to provide the high fire-proof and explosion-proof combined firework of a kind of fire-proof and explosion-proof safety coefficient.
In order to solve the problems of the technologies described above, the fire-proof and explosion-proof combined firework that the utility model adopts, comprise the launching seat body and launch hole thereof that are made by light fire-proof material, lead-in wire is embedded with in described launching seat body, the bottom of described launch hole is communicated with by described lead-in wire, the intrinsic lead-in wire of launching seat adopts different connecting modes according to the different rules of firework launching, inner barrel is provided with in described launch hole, described launching seat body is provided with Tibetan and draws hole, ignition section of described lead-in wire is concealed and is drawn in hole in described Tibetan, also comprise a fireproof cover plate made by light fire-proof material, described fireproof cover plate is provided with launch hole fire prevention plug and hole fire prevention plug is drawn in Tibetan, described fireproof cover plate is covered launch hole fire prevention plug on described launching seat body and described and is inserted in described launch hole, described Tibetan is drawn hole fire prevention plug and is inserted into described Tibetan and draws in hole.
The connecting mode of described lead-in wire is the bottom employing lead-in wire series connection of several launch holes above, connect the also joint group adopting the launch hole group of lead-in wire series connection to form by the bottom of several launch holes by many groups subsequently again, and after joint group, be connected with the launch hole being adopted lead-in wire series connection by the bottom of several launch holes.
Reinforcement is provided with in described launching seat body.
Described launching seat body is square, cylindricality, disc, prismatic, hexagon or rectangle.
Described launching seat body is provided with the launch hole described in 16 ~ 500.
Described launching seat body and described fireproof cover plate are that land plaster, glass fibre are shaping with water mixing prefabricated mould by light fire-proof material, or paper fiber and glue, stone flour mixing HTHP mould molding.
The inner space of described launch hole is lower little large back taper, described inner barrel is cylindrical or taper, the upper end of described inner barrel is closed, lower end is opening, be provided with at least two at the upper end sidewall of described inner barrel to become to be integrated and the radial strong point extended with described inner barrel, the described strong point makes described inner barrel remain on the longitudinal center line of described launch hole; The base diameter of described inner barrel is equal with the internal diameter at the propellant powder place of the bottom of described launch hole.
Described strong point circumference is evenly arranged in the sidewall of described inner barrel.
The inner barrel mode be in described launch hole on longitudinal center line described in the described strong point keeps is the internal diameter of diameter slightly larger than the launch hole described in the described strong point and described launch hole contact position that the radical length of the described strong point adds described inner barrel.
Described strong point shape is upper large little triangle.
Adopt the fire-proof and explosion-proof combined firework of technique scheme, owing to being embedded with lead-in wire in launching seat body, launching seat body and lead-in wire one-shot forming, lead-in wire does not expose, and the bottom of all launch holes is communicated with by lead-in wire, and pre-buried lead-in wire does not just need insertion to go between afterwards, do not need to make fairlead yet, improve production efficiency, also there is not the problem by fairlead string fire when setting off between launch hole, the firework display effect of fireworks can not be affected.Launching seat body is provided with Tibetan and draws hole, ignition section of lead-in wire is concealed and is drawn in hole in Tibetan, and fireproof cover plate is covered on launching seat body and launch hole fire prevention plug is inserted in launch hole, hides to draw hole fire prevention plug and be inserted into Tibetan and draw in hole.Hide and draw the fire protecting performance that hole ensure that lead-in wire, fireproof cover plate and launch hole fire prevention thereof are filled in and are hidden and draw the fire protecting performance that hole fire prevention plug ensures launch hole and lead-in wire.During use, take off fireproof cover plate, lead-in wire is drawn in hole from Tibetan and extracts out, light and just can set off fireworks.There is not fairlead in launching seat body, beautified launching seat body.The upper end sidewall of the inner barrel coordinated with launch hole of the present utility model is provided with at least two and becomes to be integrated and the radial strong point extended with inner barrel, the strong point makes inner barrel remain on the longitudinal center line of launch hole, become to be integrated and the radial strong point extended with inner barrel owing to being provided with at least two at the upper end sidewall of inner barrel, the strong point makes inner barrel remain on the longitudinal center line of launch hole, ensure launching effect, the interior wall friction of the strong point and launch hole, increase the resistance that inner barrel is gone out, the firepower of propellant powder is built the pressure in launch hole, after inner barrel is rushed out launch hole, the firepower of propellant powder is larger, launching effect is better.The strong point becomes to be integrated with inner barrel, its manufacturing process is the bottom that only propellant powder need be placed in launch hole, then the inner barrel of the band strong point is put into, eliminate the time of placing lower cardboard and upper cardboard, shorten manufacturing time, improve the production efficiency of fireworks, reduce the cost that fireworks manufacture, and do not descend cardboard and upper cardboard to be transmitted in the air, can not environmental sanitation be affected.The inner space of launch hole is lower little large back taper, inner barrel is cylindrical or taper, the base diameter of inner barrel is equal with the internal diameter at the propellant powder place of the bottom of launch hole, the formation at the propellant powder place of the bottom of inner barrel and the bottom of launch hole seals, when making gun propellant combustion, its burning gases can not leak from the propellant powder of the bottom of the bottom of inner barrel and launch hole, and launching effect is better.In the transportation of fireworks, if careless fireworks stand upside down, the interior wall friction of the strong point and launch hole, inner barrel is fixedly remained in launch hole, can not pour out, because inner barrel base diameter is equal with the base diameter of launch hole, seal up propellant powder, stand upside down when fireworks or when being sidelong, ensure that propellant powder can not be poured out from the gap between inner barrel and launch hole, ensure that fireworks quality.
Traditional fireworks, because lead-in wire igniter head exposes and material is all paper fiber, at production, transport and memory period, very easily produce burning, blast, outside on fire, burning will cause the overall induced detonation of fireworks, often occur major accident, to national wealth, people's life works the mischief.
The utility model is made by fire proofing material, lead-in wire integral built-in, ignition fuse is concealed and is drawn in hole in Tibetan, fireproof cover plate and launching seat overall co-ordination, seal effectively, stopped the contact of ignition fuse and extraneous burning things which may cause a fire disaster, in production, transport storage process, stop the generation of burning, blast, more can not produce induced detonation, efficiently avoid the generation of major accident.
Due to the inner core of traditional fireworks and the gap coordinated of launch hole too large, in order to reach firing altitude, propellant powder will be increased, cause the consumption of propellant powder many, launching seat of the present utility model and inner barrel are all mould moldings, cooperatively interact, and reduce the gap coordinated of inner core and launch hole, same firing altitude decreases 1/3rd of propellant powder consumption, energy-conserving and environment-protective.Same firing altitude decreases 1/3rd of the height of launch hole, thus decreases the volume of fireworks, is convenient to store and transport, reduces costs.
When traditional fireworks install lower cardboard and upper cardboard, because lower cardboard and upper cardboard can be out of shape, cause lower cardboard and upper paperboard card in launch hole, easily occur fried cylinder phenomenon.The utility model adopts strong point structure, inner barrel can be made to be supported on the axle center of launch hole, there will not be card cylinder, can not explode cylinder.The gap of inner barrel and launch hole is little, ensure that launch accuracy.
Even if there is fried cylinder phenomenon in the utility model, also be that the launch hole in a row of lead-in wire built-in type fireworks seat bursts together, the propellant powder burst in rear launch hole is just ineffective, and inner core can only explode in original place, laterally can not launch, thus avoid the generation of security incident.
The utility model adopts a mould molding, there is not launching tube made of paper and hold yielding problem owing to making moist or being squeezed, launch hole shape can be kept consistent, can not to make moist distortion, can be anti-extrusion, can ensure to emit in the launching tube that inner core physical efficiency is never out of shape, stop the generation of fried cylinder, the security incident such as on fire.
Launching seat body and fireproof cover plate are that land plaster, glass fibre are shaping with water mixing prefabricated mould by light fire-proof material, or paper fiber and glue, stone flour mixing HTHP mould molding, there is fire retardation, transport, store or set off time can effectively prevent on fire.
In sum, the utility model be a kind ofly improve launch accuracy, the consumption that reduces propellant powder, reduce launch hole height, save manufacturing cost and improve safety coefficient, set off tempo increase, production efficiency is high and can not go here and there the various informative fire-proof and explosion-proof combined firework of fiery phenomenon and environmental protection, energy-conservation transmitting, can prevent external burning things which may cause a fire disaster to ignite fireworks, in production, transport, storage, stop induced detonation accident occur.
Accompanying drawing explanation
Fig. 1 is the utility model structure sectional view.
Fig. 2 is launch hole magnified partial view of the present utility model.
Fig. 3 is the inner barrel structural representation coordinated with the launch hole of utility model.
Fig. 4 is the top view of Fig. 3.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
See Fig. 1 and Fig. 2, the launching seat body 1 made by light fire-proof material is provided with launch hole 2, lead-in wire 3 is embedded with in launching seat body 1, the bottom of launch hole 2 is communicated with by lead-in wire 3, lead-in wire 3 in launching seat body 1 adopts different connecting modes according to the different rules of firework launching, inner barrel 8 is provided with in launch hole 2, launching seat body 1 is provided with Tibetan and draws hole 4, ignition section of lead-in wire 3 is concealed and is drawn in hole 4 in Tibetan, also comprise a fireproof cover plate made by light fire-proof material 11, fireproof cover plate 11 is provided with launch hole fire prevention plug 6 and hole fire prevention plug 5 is drawn in Tibetan, fireproof cover plate 11 is covered on launching seat body 1 and launch hole fire prevention plug 6 is inserted in launch hole 2, Tibetan is drawn hole fire prevention plug 5 and is inserted into Tibetan and draws in hole 4.
Particularly, lead-in wire 3 connecting mode be several launch holes 2 above bottom adopt lead-in wire 3 connect, connect the also joint group be made up of the many groups of launch hole groups adopting lead-in wire 3 to connect by the bottom of several launch holes 2 subsequently again, and after joint group, be connected with the launch hole adopting lead-in wire 3 to connect by the bottom of several launch holes 2.
Further, reinforcement 7 is provided with in launching seat body 1.
Particularly, launching seat body 1 is square, cylindricality, disc, prismatic, hexagon or rectangle.
Launching seat body 1 is provided with 16 ~ 500 launch holes 2.
Launching seat body 1 and fireproof cover plate 11 are that land plaster, glass fibre are shaping with water mixing prefabricated mould by light fire-proof material, or paper fiber and glue, stone flour mixing HTHP mould molding.
See Fig. 1 and Fig. 2, owing to being embedded with lead-in wire 3 in launching seat body 1, the bottom of all launch holes 2 is communicated with by lead-in wire 3, just do not need after pre-buried lead-in wire 3 to insert lead-in wire 3, do not need to make fairlead yet, improve production efficiency, also there is not the problem by fairlead string fire when setting off between launch hole 2, the firework display effect of fireworks can not be affected.There is not fairlead in launching seat body 1, beautified launching seat body.Be provided with reinforcement 7 in launching seat body 1, the intensity of launching seat body 1 can be increased.
Launching seat body 1 is provided with Tibetan and draws hole 4, ignition section of lead-in wire 3 is concealed and is drawn in hole 4 in Tibetan, and fireproof cover plate 11 is covered on launching seat body 1 and launch hole fire prevention plug 6 is inserted in launch hole 4, hides to draw hole fire prevention plug 5 and be inserted into Tibetan and draw in hole 4.Hide and draw the fire protecting performance that hole 4 ensure that lead-in wire 3, fireproof cover plate 1 and launch hole fire prevention plug 6 thereof draw with hiding the fire protecting performance that hole fire prevention plug 5 ensures launch hole 2 and lead-in wire 3.During use, take off fireproof cover plate 11, lead-in wire 3 is drawn from Tibetan in hole 4 and extract out, light and just can set off fireworks.
When setting off, lead-in wire 3 connecting mode be several launch holes 2 above bottom adopt lead-in wire 3 connect, launch hole 2 fireworks set off lift-off successively, connect the also joint group be made up of the many groups of launch hole groups adopting lead-in wire 3 to connect by the bottom of several launch holes 2 subsequently again, the fireworks group of many groups launch hole 2 is gone up to the air simultaneously, and after joint group, be connected with the launch hole adopting lead-in wire 3 to connect by the bottom of several launch holes 2, launch hole 2 fireworks set off lift-off successively, adopt string fire hole to be communicated with between bottom several last launch holes, multiple launch hole 2 fireworks go up to the air simultaneously.Set off tempo increase, increase and set off visual effect.
Lead-in wire 3 in launching seat body 1 adopts different connecting modes according to the different rules of firework launching, and different lead-in wire 3 connecting modes can produce different firework display effects.Inject propellant powder 9 and inner barrel 8 at launch hole 2, inner barrel 8, built with effect medicine, puts combustion wire 3, i.e. ornamental.
See Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the inner space of launch hole 2 is lower little large back taper, the upper end of inner barrel 8 is closed, lower end is opening, and inner barrel 8 is taper, and small end is closed, the small end sidewall of the taper of inner barrel 8 is provided with four and is integrated and the radial strong point 10 extended with inner barrel 8 one-tenth, the strong point 10 circumference is evenly arranged in the sidewall of inner barrel 8, and the strong point 10 is concordant with the upper surface of inner barrel 8, and the strong point 10 makes inner barrel 8 remain on the longitudinal center line of launch hole 2.The base diameter of inner barrel 8 is equal with the internal diameter at the propellant powder place of the bottom of launch hole 2.The size of the strong point 10, length and quantity are directly proportional to the diameter of inner barrel 8.
Preferably, the strong point 10 shape is upper large little triangle.
The strong point 10 keeps inner barrel 8 mode be in launch hole 2 on longitudinal center line to be that the length of the strong point 10 adds the diameter of inner barrel 8 slightly larger than the internal diameter of the strong point 10 with the launch hole 2 of launch hole 2 contact position.
Make another kind of embodiment of the present utility model, inner barrel 8 also can be made cylindrical.
The material of inner barrel 8 and the strong point 10 is plastics, or paper fiber and glue disposable tool shaping.
See Fig. 1, Fig. 2, Fig. 3 and Fig. 4, launching seat body 1 is provided with Tibetan and draws hole 4, ignition section of lead-in wire 3 is concealed and is drawn in hole 4 in Tibetan, and fireproof cover plate 11 is covered on launching seat body 1 and launch hole fire prevention plug 6 is inserted in launch hole 4, hides to draw hole fire prevention plug 5 and be inserted into Tibetan and draw in hole 4.Hide and draw the fire protecting performance that hole 4 ensure that lead-in wire 3, fireproof cover plate 1 and launch hole fire prevention plug 6 thereof draw with hiding the fire protecting performance that hole fire prevention plug 5 ensures launch hole 2 and lead-in wire 3.During use, take off fireproof cover plate 11, lead-in wire 3 is drawn from Tibetan in hole 4 and extract out, light and just can set off fireworks.Launching seat body 1 and fireproof cover plate 11 are with mould molding, and the material of inner barrel 8 and the strong point 10 is plastics, or paper fiber and glue disposable tool shaping.Reduce the gap between launch hole 2 and inner barrel 8, during transmitting, target accuracy is more smart, set off safety, the length of the strong point 10 and thickness are directly proportional to the size of inner barrel 8, the material of the inner barrel 8 with the strong point 10 is that plastics or paper fiber add glue mould molding, the strong point 10 makes inner barrel 8 remain on the longitudinal center line of launch hole 2, ensure launching effect, the interior wall friction of the strong point 10 and launch hole 2, increase the resistance that inner barrel 8 is gone out, the firepower of propellant powder 9 is built the pressure in launch hole 2, after inner barrel 8 is rushed out launch hole 2, the firepower of propellant powder is larger, launching effect is better.The strong point 10 is integrated with inner barrel 8 one-tenth, its manufacturing process is the bottom that only propellant powder 9 need be placed in launch hole 2, then the inner barrel 8 of the band strong point 10 is put into, eliminate the time of placing lower cardboard and upper cardboard, shorten manufacturing time, improve the production efficiency of fireworks, reduce the cost that fireworks manufacture, and do not descend cardboard and upper cardboard to be transmitted in the air, can not environmental sanitation be affected.In the transportation of fireworks, if careless fireworks stand upside down, the interior wall friction of the strong point 10 and launch hole 2, inner barrel 8 is made fixedly to remain in launch hole 2, can not pour out, also ensure that propellant powder 9 can not be poured out from the gap between inner barrel 8 and launch hole 2, ensure that fireworks quality.Originally the lower cardboard of structure and the inwall frictional force of upper cardboard and launch hole 2 excessive, need to increase the consumption of propellant powder 9 and inner barrel 8 just can be made to launch.The strong point 10 of the present utility model is suitable with the frictional force of the inwall of launch hole 2, can ensure to make inner barrel 8 fixedly remain in launch hole 2, can not pour out, can reduce again the consumption of propellant powder 9, energy-conserving and environment-protective.
The utility model is made by fire proofing material, lead-in wire integral built-in, the concealing of igniter head of lead-in wire 3 is drawn in hole 4 in Tibetan, fireproof cover plate 11 and launching seat body 1 overall co-ordination, seal effectively, stopped the contact of lead-in wire 3 with extraneous burning things which may cause a fire disaster, in production, transport storage process, stop the generation of burning, blast, more can not produce induced detonation, efficiently avoid the generation of major accident.
The utility model adopts the inner space of launch hole 2 to be lower little large back taper, and reduce the gap coordinated of inner barrel 8 and launch hole 2, same firing altitude decreases 1/3rd of propellant powder consumption, energy-conserving and environment-protective.Same firing altitude decreases 1/3rd of the height of launch hole 2, thus decreases the volume of fireworks, is convenient to store and transport, reduces costs.
When traditional fireworks install lower cardboard and upper cardboard, because lower cardboard and upper cardboard can be out of shape, cause lower cardboard and upper paperboard card in launch hole 2, easily occur fried cylinder phenomenon.The utility model adopts strong point structure, inner barrel 8 can be made to be supported on the axle center of launch hole 2, there will not be card cylinder, can not explode cylinder.Inner barrel 8 is little with the gap of launch hole 2, ensure that launch accuracy.
Even if there is fried cylinder phenomenon in the utility model, also be that the launch hole 2 in a row of lead-in wire built-in type fireworks seat bursts together, the propellant powder 9 burst in rear launch hole 2 is just ineffective, and inner barrel 8 can only explode in original place, laterally can not launch, thus avoid the generation of security incident.
Claims (8)
1. a fire-proof and explosion-proof combined firework, comprise the launching seat body (1) and launch hole (2) thereof that are made by light fire-proof material, lead-in wire (3) is embedded with in described launching seat body (1), the bottom of described launch hole (2) is communicated with by described lead-in wire (3), lead-in wire (3) in launching seat body (1) adopts different connecting modes according to the different rules of firework launching, inner barrel (8) is provided with in described launch hole (2), it is characterized in that: described launching seat body (1) is provided with Tibetan and draws hole (4), ignition section of described lead-in wire (3) is concealed and is drawn in hole (4) in described Tibetan, also comprise a fireproof cover plate made by light fire-proof material (11), described fireproof cover plate (11) is provided with launch hole fire prevention plug (6) and hole fire prevention plug (5) is drawn in Tibetan, described fireproof cover plate (11) is covered launch hole fire prevention plug (6) upper and described at described launching seat body (1) and is inserted in described launch hole (2), described Tibetan is drawn hole fire prevention plug (5) and is inserted into described Tibetan and draws in hole (4).
2. fire-proof and explosion-proof combined firework according to claim 1, it is characterized in that: the connecting mode of described lead-in wire (3) is bottom employing lead-in wire (3) series connection of several launch holes (2) above, connect the also joint group be made up of the many groups of launch hole groups adopting lead-in wire (3) to connect by the bottom of several launch holes (2) subsequently again, and after joint group, be connected with the launch hole adopting lead-in wire (3) to connect by the bottom of several launch holes (2).
3. fire-proof and explosion-proof combined firework according to claim 1 and 2, is characterized in that: be provided with reinforcement (7) in described launching seat body (1).
4. fire-proof and explosion-proof combined firework according to claim 1 and 2, is characterized in that: described launching seat body (1) is square, cylindricality, disc, prismatic, hexagon or rectangle.
5. fire-proof and explosion-proof combined firework according to claim 1 and 2, is characterized in that: described launching seat body (1) is provided with the launch hole (2) described in 16 ~ 500.
6. fire-proof and explosion-proof combined firework according to claim 1 and 2, it is characterized in that: the inner space of described launch hole (2) is lower little large back taper, described inner barrel (8) is cylindrical or taper, the upper end of described inner barrel is closed, lower end is opening, be provided with at least two at the upper end sidewall of described inner barrel (8) to become to be integrated and the radial strong point (10) extended with described inner barrel (8), the described strong point (10) makes described inner barrel (8) remain on the longitudinal center line of described launch hole (2), the base diameter of described inner barrel (8) is equal with the internal diameter at the propellant powder place of the bottom of described launch hole (2).
7. fire-proof and explosion-proof combined firework according to claim 6, is characterized in that: the described strong point (10) circumference is evenly arranged in the sidewall of described inner barrel (8).
8. fire-proof and explosion-proof combined firework according to claim 6, is characterized in that: inner barrel (8) mode be on described launch hole (2) interior longitudinal center line described in the described strong point (10) keeps is the radical length of the described strong point (10) diameter that adds described inner barrel (8) slightly larger than the internal diameter of the described launch hole (2) of the described strong point (10) and described launch hole (2) contact position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520232293.6U CN204649090U (en) | 2015-04-17 | 2015-04-17 | Fire-proof and explosion-proof combined firework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520232293.6U CN204649090U (en) | 2015-04-17 | 2015-04-17 | Fire-proof and explosion-proof combined firework |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204649090U true CN204649090U (en) | 2015-09-16 |
Family
ID=54101832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520232293.6U Withdrawn - After Issue CN204649090U (en) | 2015-04-17 | 2015-04-17 | Fire-proof and explosion-proof combined firework |
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| Country | Link |
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| CN (1) | CN204649090U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729362A (en) * | 2015-04-17 | 2015-06-24 | 陈正权 | Fireproof and explosion-proof combined fireworks |
| CN106352745A (en) * | 2016-08-29 | 2017-01-25 | 北海市铁山港区营盘烟花厂 | Mechanized production method for fireworks and firecrackers |
| WO2018149022A1 (en) * | 2017-02-17 | 2018-08-23 | 卢山河 | Combined firework with launching pits and multi-channel fire-resistant structure |
-
2015
- 2015-04-17 CN CN201520232293.6U patent/CN204649090U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729362A (en) * | 2015-04-17 | 2015-06-24 | 陈正权 | Fireproof and explosion-proof combined fireworks |
| CN106352745A (en) * | 2016-08-29 | 2017-01-25 | 北海市铁山港区营盘烟花厂 | Mechanized production method for fireworks and firecrackers |
| CN106352745B (en) * | 2016-08-29 | 2018-06-01 | 北海市铁山港区营盘烟花厂 | The firecrackers of mechanized method for making and this method production of fireworks |
| WO2018149022A1 (en) * | 2017-02-17 | 2018-08-23 | 卢山河 | Combined firework with launching pits and multi-channel fire-resistant structure |
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