CN109724479A - A kind of fireworks inner tank and firework setting off equipment - Google Patents
A kind of fireworks inner tank and firework setting off equipment Download PDFInfo
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- CN109724479A CN109724479A CN201910178713.XA CN201910178713A CN109724479A CN 109724479 A CN109724479 A CN 109724479A CN 201910178713 A CN201910178713 A CN 201910178713A CN 109724479 A CN109724479 A CN 109724479A
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- 238000007789 sealing Methods 0.000 claims abstract description 25
- 230000000694 effects Effects 0.000 claims abstract description 17
- 239000003380 propellant Substances 0.000 claims description 36
- 238000010438 heat treatment Methods 0.000 claims description 32
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- 239000003814 drug Substances 0.000 claims description 11
- 230000009172 bursting Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000004134 energy conservation Methods 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 13
- 238000009434 installation Methods 0.000 description 10
- 238000004880 explosion Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
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- 229920001778 nylon Polymers 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
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- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000003721 gunpowder Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 229940079593 drug Drugs 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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- 239000000843 powder Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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Abstract
The invention discloses a kind of fireworks inner tank, the outer surface of the inner cylinder is equipped with an at least ring annular groove.The invention also discloses a kind of firework setting off equipment, including launching tube and the inner cylinder, have gap between the transmitting tube inner surface and the inner cylinder outer surface.This invention simplifies fireworks manufacture craft, high production efficiency, sealing effect of holding one's breath is good, securely and reliably, can reuse, energy conservation and environmental protection.
Description
Technical field
The present invention relates to fireworks technical fields, more particularly, to a kind of fireworks inner tank and firework setting off equipment.
Background technique
Fireworks type includes the kinds such as combined firework and display shell, and emission principle is lighted in a closed space
Propellant, propellant burning discharge a large amount of gas, and gun pressure needed for generating transmitting pushes explosive effect part to fly out transmitting
Cylinder.Conventional combination fireworks are arranged in a combination by single-shot firework as shown in Figure 1, and single-shot firework structure is as follows: including launching tube
2 ' of mud bottom, 3 ' of propellant, sealing one 4 ' of the scraps of paper, 5 ' of inner cylinder and the sealing being successively arranged from the bottom to top inside 1 ' of 1 ' and launching tube
26 ' of the scraps of paper, 7 ' of lead are by being inserted into 3 ' in propellant outside 1 ' of launching tube, and 7 ' partial denudation of lead is outside 1 ' of launching tube
Portion, wherein sealing one 4 ' of the scraps of paper and seal the outer diameter of 26 ' of the scraps of paper and be all larger than the internal diameter of 1 ' of launching tube, with tool close when installation
Envelope one 4 ' of the scraps of paper and sealing 26 ' of the scraps of paper are pressed by force inside 1 ' of launching tube, are sealed and fixed with realizing, wherein the sealing scraps of paper one
Confined space is formed between 2 ' of 4 ', 6 ' of launching tube and mud bottom.When firework display, with lighter or match etc. point 7 ' of combustion wire, draw
7 ' of line burning, which enters inside 1 ' of launching tube, lights 3 ' of propellant, after 3 ' of propellant burning release bulk gas in 2 ' of mud bottom,
Enough gun pressures are generated in the opposite confined space formed between 1 ' of launching tube, sealing one 4 ' of the scraps of paper and 2 ' of mud bottom, and emit fire
The gas that 3 ' of medicine is generated lights inner cylinder lead by sealing the aperture of one 4 ' of the scraps of paper, and 5 ' of inner cylinder promotion is flown out 1 ' of launching tube extremely
Behind aerial highest point, inner cylinder lead lights the explosion of 5 ' internal explosion medicine of inner cylinder.However conventional combination fireworks generally will be by system
Cylinder, pressure mud bottom, group basin, which are pacified, several process such as draws, fills the scraps of paper, assembling and encapsulation, and it is various that there is only processes, and production efficiency is low, produces
Quality is unstable, it is poor to seal effect of holding one's breath, and papery launching tube is easy dampness deformation, influences the air-tightness of launching tube, causes
Fried cylinder, low fried phenomenon, and it is disposable after scrap again, cost is seted off in raising, causes the waste of ecological resources and environment dirty
Dye, and conventional combination fireworks are in monoblock type fixed structure, cause storage and transportation cost high.Glass reinforced plastic production is utilized though now having
Monoblock type launching tube, but the residue of propellant is difficult to clean up after transmitting, and access times is caused seldom to be scrapped.Tradition simultaneously
Papery fireworks are lighted a fire using lead, and safety, reliability and convenience are all lower, and use occasion is limited；Existing large size sets off field
Disposable electric igniter is all used as unification, but disposable electric ignition device structure is complicated, and disposable, causes
The wasting of resources and environmental pollution.
Summary of the invention
The object of the invention is that having overcome the deficiencies of the prior art and provide a kind of fireworks inner tank and firework display is set
Standby, this invention simplifies the manufacture craft of fireworks, high production efficiency, sealing effect of holding one's breath is good, securely and reliably, can reuse,
Energy conservation and environmental protection.
To achieve the goals above, the present invention provides a kind of fireworks inner tank, the outer surface of the inner cylinder is equipped at least one
Ring annular groove.
Further, the inner cylinder is expanded by heating inner cylinder.
Further, the inner cylinder includes obturator ring, the inner cylinder ontology being installed on above the obturator ring and is filled in institute
The propellant below obturator ring is stated, the annular groove is set to the outer surface of the obturator ring.
Further, it is sealed below the obturator ring by sealing film.
Further, the inner cylinder ontology includes paper outer cylinder, the bursting charge and effect medicine that are mixed in the middle part of the paper outer cylinder
It is filled in solid flashing composition and the mud bottom of paper outer cylinder upper and lower part respectively；The bursting charge and effect medicine and propellant it
Between by lead be connected.
Further, the obturator ring is being equipped with retaining ring between inner cylinder ontology and propellant.
Further, the obturator ring is made of nylon material.
Further, the section configuration of the annular groove is rectangle, trapezoidal, triangle, semicircle or U-shaped.
Further, when the quantity of the annular groove is multi-turn, the alternate setting of multi-ring annular groove.
The present invention also provides a kind of firework setting off equipment, including launching tube and the inner cylinder, table in the launching tube
There is gap between face and the inner cylinder outer surface.
Further, the launching tube is metal launching tube, and the launching tube includes cylinder and cover, the cylinder and cylinder
Lid phase fitting, and the cylinder and cover phase suit place are in grading structure.
Further, the cover is equipped with pyramidal structure, and the cylinder is equipped with to match with the cover pyramidal structure
The bellmouth of conjunction.
Further, the bellmouth is gradually reduced from bottom to top.
Further, the size at bellmouth osculum end is less than the hole size of the cylinder.
Further, bellmouth osculum end and the cylinder bore are in plane transition.
Further, the bigger diameter end of the cover pyramidal structure is equipped with platform, and the size of the platform is greater than the cover
The size of pyramidal structure bigger diameter end.
Further, the launching tube is made of steel.
It further, further include ignition electrode, the ignition electrode includes insulating heat-conductive device, is set to the insulating heat-conductive device
Interior heating device and outside the insulating heat-conductive device and the power supply device that is connected with the heating device, the hair
Shooting cylinder bottom is equipped with vent, and the insulating heat-conductive device is installed at the vent.
Further, the insulating heat-conductive device includes the thermally conductive cover of high-strength insulating, and the heating device is located at the height
In the thermally conductive cover of strength dielectric.
Further, the insulating heat-conductive device further includes the common insulation being connected with the thermally conductive cover of the high-strength insulating
Cover.
Further, the thermally conductive tapered structure of cover of the high-strength insulating.
Further, the thermally conductive cover of the high-strength insulating is made of high-strength ceramic.
Further, the common insulating boot is made of conventional ceramic.
Further, the power supply device includes power supply and switch, and the power supply is filled by the switch with the heating
It sets and is connected.
Further, the heating device is heating wire.
It further, further include the auxiliary filling device loaded for the inner cylinder.
Beneficial effects of the present invention:
1, there is gap between launching tube and inner cylinder of the present invention, facilitate the installation of inner cylinder and launching tube, inner cylinder is directly fallen when installation
It is time saving and energy saving to launching tube bottom, while inner cylinder outer surface is equipped with an at least ring annular groove, emits when firework launching
Vortex is formed when the gas that powder burning generates passes through the gap between launching tube and inner cylinder at annular groove, effectively reduces hair
The leakage of the gas of gunpowder generation is penetrated, to form enough gun pressures between launching tube and inner cylinder, inner cylinder is pushed into the hair that flies out
For shooting cylinder to aerial highest point, sealing effect of holding one's breath is good, and the present invention no setting is required the sealing scraps of paper, without by tool by force
The sealing scraps of paper are pressed into launching tube, the manufacture craft of fireworks, high production efficiency are effectively simplified.Inner cylinder of the present invention is swollen to be heated
Swollen inner cylinder, when firework launching, propellant burns, and so that inner cylinder expanded by heating is generated deformation and is swollen, to reduce in launching tube
Gap between surface and inner cylinder outer surface effectively reduces the leakage of the gas of propellant generation, guarantees launching tube and inner cylinder
Between form enough gun pressures, sealing effect of holding one's breath is good.The present invention seals the raising for effect of holding one's breath, and can guarantee firing altitude
Under the premise of propellant usage amount reduce 30%, so that propellant bring air pollution be effectively reduced.Launching tube of the present invention
It is in absolute construction with inner cylinder, realizes being fabricated separately for inner cylinder and launching tube, inner cylinder can be stored separately and transport with launching tube, inner cylinder
It is packed into before firework launching to launching tube, reduces the transport and carrying cost of fireworks.
2, launching tube of the present invention is metal launching tube, is able to achieve recycling and reuses, cost is seted off in reduction, only inner cylinder conduct
Consumables are seted off, and traditional fireworks generally set off consumables, scrap after disposable, cause waste and the ring of ecological resources
Border pollution, while launching tube of the present invention, will not make moist, and air-tightness is good, get rid of traditionally on paper launching tube moisture-sensitive, and influence transmitting
The air-tightness of cylinder leads to fried cylinder, low fried phenomenon.Launching tube of the present invention adopts a split structure, residual with easy cleaning propellant
Slag realizes reuse infinitely, energy conservation and environmental protection.The cylinder and cover phase suit place that launching tube of the present invention includes use graded junction
Structure, contact area is big, and gas tightness is good, guarantees that fireworks effectively emit.Cylinder of the present invention and cover are cooperated using cone seal, and
Bellmouth on cylinder is gradually reduced from bottom to top so that cylinder and cover assembly and disassembly quite easy, and barrel taper hole osculum end
Size be less than the hole size of cylinder, the gas active force downward to cylinder that propellant generates when firework launching makes
Cylinder is pressed down against relative to cover, greatly improves the air-tightness between cylinder and cover, that is, guarantees the air-tightness of launching tube, close
Sealing property is good.
3, the present invention is lighted a fire using ignition electrode, and safe and reliable and easy to use, wherein ignition electrode is installed on launching tube bottom,
Easy for installation and guarantee launching tube good appearance, while the heating device that ignition electrode includes is located in insulating heat-conductive device, exhausted
Under the action of edge heat-transfer device, guarantee heating device and exterior insulation, securely and reliably, while heat conductivity is good, effectively lights interior
Propellant in cylinder guarantees that fireworks effectively emit, and fireworks of the present invention igniting needle construction is simple, and manufacturing cost is low.
4, insulating heat-conductive device of the present invention includes the thermally conductive cover of high-strength insulating, and to be located at high-strength insulating thermally conductive for heating device
In cover, in use, the thermally conductive cover of high-strength insulating is under the explosion environment of inner cylinder propellant and is not destroyed, point is realized
The reuse of fiery needle, energy conservation and environmental protection.Wherein the thermally conductive cover of high-strength insulating is made of high-strength ceramic, due to high-strength ceramic
With the excellent performance that high-intensitive, corrosion-resistant, heat transmitting are high and insulate, thus with the residue of acid-base property after firework launching
Ignition electrode of the present invention will not be caused to corrode, realize and reuse infinitely.Inner cylinder is freely fallen before the present invention works as firework launching
When to launching tube bottom, under the thermally conductive cover of high-strength insulating of pyramidal structure, punctures the sealing film below obturator ring and be inserted into
To propellant, structure flexible design, use is quite convenient.
5, insulating heat-conductive device of the present invention further includes the common insulating boot being connected with the thermally conductive cover of high-strength insulating, wherein cigarette
Spark ignition needle is installed at the vent of launching tube by common insulating boot, and insulating heat-conductive device uses the thermally conductive cover of high-strength insulating
With the design that common insulating boot combines, the manufacturing cost of insulating heat-conductive device can be effectively reduced.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of single-shot firework in the prior art.
Fig. 2 is the structural schematic diagram one of firework setting off equipment of the present invention.
Fig. 3 is the structural schematic diagram two of firework setting off equipment of the present invention.
Fig. 4 falls into structural schematic diagram when bottom in launching tube for inner cylinder in Fig. 2.
Fig. 5 is launching tube cylinder of the present invention and structural schematic diagram when cover phase fitting.
Fig. 6 is structural schematic diagram when launching tube cylinder of the present invention is mutually separated with cover.
Structural schematic diagram when Fig. 7 is present invention transmitting.
Fig. 8 is the structural schematic diagram of inner cylinder of the present invention.
Fig. 9 is the structural schematic diagram of ignition electrode of the present invention.
Figure 10 is partial schematic diagram when inner cylinder annular groove section configuration of the present invention is trapezoidal.
Figure 11 is partial schematic diagram when inner cylinder annular groove section configuration of the present invention is triangular in shape.
Partial schematic diagram when Figure 12 is inner cylinder annular groove section configuration semicircular in shape of the present invention.
Partial schematic diagram when Figure 13 is firework launching of the present invention.
Specific embodiment
Invention is further illustrated with reference to the accompanying drawing, but is not intended to limit the scope of the invention.
As shown in Fig. 2-13, a kind of firework setting off equipment that present embodiment provides, including launching tube 1 and inner cylinder 2, it is described
There is gap between 2 outer surface of 1 inner surface of launching tube and the inner cylinder, and 2 outer surface of the inner cylinder is recessed equipped with an at least ring shape
Slot 201.When present embodiment firework setting off equipment is combined firework, it is arranged in a combination by multiple launching tubes 1.
In present embodiment, the interstice coverage between 2 outer surface of 1 inner surface of launching tube and inner cylinder is generally according to launching tube 1
Depending on the size of inner cylinder 2, size more wide arc gap is bigger, and size gets over that small―gap suture is smaller, and the gap of general common specification is 1-
1.5mm。
In present embodiment, as shown in Fig. 8,10-12, the section configuration of the annular groove 201 be rectangle, it is trapezoidal, three
One of angular, semicircle, U-shaped, and can also be other section configurations.
In present embodiment, when the quantity of the annular groove 201 is multi-turn, multi-ring annular groove 201 equally or
Unequal spacing setting, wherein ring-shaped groove 201 specifically circle number number and adjacent annular groove 201 between spacing, according to
The factors such as the gap size between 1 size of launching tube, 2 size of inner cylinder, launching tube 1 and inner cylinder 2 determine, it is desirable that guarantee launching tube 1
With the leakproofness of inner cylinder 2.
There is gap between launching tube 1 and inner cylinder 2 in present embodiment, facilitate the installation of inner cylinder 2 Yu launching tube 1, when installation
Inner cylinder 2 directly falls to 1 bottom of launching tube, time saving and energy saving, while 2 outer surface of inner cylinder is equipped with an at least ring annular groove
201, in annular when the gas that the burning of propellant 21 generates when firework launching passes through the gap between launching tube 1 and inner cylinder 2
When groove 201, according to bernoulli principle, the gas flow rate High Voltage positioned at gap location is low, flows through the gas in annular groove 201
Flow velocity low pressure is high, so that the gas in High Voltage region is supplemented to low pressure region, forms vortex (as shown in figure 13), effectively subtracts
The leakage for the gas that few propellant 21 generates pushes away inner cylinder 2 to form enough gun pressures between launching tube 1 and inner cylinder 2
For the dynamic launching tube 1 that flies out to aerial highest point, sealing effect of holding one's breath is good, and present embodiment no setting is required the sealing scraps of paper, thus nothing
The sealing scraps of paper need to be pressed into launching tube 1 by force by tool, effectively simplify the manufacture craft of fireworks, high production efficiency.
Launching tube 1 and inner cylinder 2 are in absolute construction in present embodiment, and inner cylinder 2 is packed into before firework launching to launching tube 1
Interior, realization inner cylinder 2 being stored separately and transporting with launching tube 1, storage and transportation volume is effectively reduced, to reduce the fortune of fireworks
Defeated and carrying cost saves 50% or more at instinct compared to traditional fireworks firework display of the present invention.
Present embodiment is it is further preferred that the inner cylinder 2 is expanded by heating inner cylinder, therefore emits fire when firework launching
Medicine 21 burns, and so that 2 expanded by heating of inner cylinder is generated deformation and is swollen, to reduce between 2 outer surface of 1 inner surface of launching tube and inner cylinder
Gap, effectively reduce the leakage of the gas of the generation of propellant 21, guarantee to form enough thoraxes between launching tube 1 and inner cylinder 2
It is good to seal effect of holding one's breath for pressure.Preferably, 2 outer surface of inner cylinder is made of nylon material, and it is swollen to be heated using other
Swollen material is made.
In present embodiment sealing is held one's breath the raising of effect, propellant 21 can be made under the premise of guaranteeing firing altitude
Dosage reduces 30%, so that 21 bring air pollution of propellant be effectively reduced.
Present embodiment is it is further preferred that as shown in figure 8, the inner cylinder 2 includes obturator ring 20, is installed on described hold one's breath
The inner cylinder ontology 22 of 20 top of ring and the propellant 21 for being filled in 20 lower section of obturator ring, the annular groove 201 are set to
The outer surface of the obturator ring 20.When inner cylinder 2 is expanded by heating inner cylinder, i.e., obturator ring 20 is expanded by heating obturator ring, preferably
Ground, the obturator ring 20 are made of nylon material, and can also be made of the material of other energy expanded by heating.
Present embodiment is sealed it is further preferred that passing through sealing film 23 below the obturator ring 20, be can also be and is adopted
The sealant sealing easily punctured with other.
Present embodiment is it is further preferred that the inner cylinder ontology 22 includes paper outer cylinder 220, is mixed in the paper outer cylinder
The bursting charge and effect medicine 221 at 220 middle parts and the solid flashing composition 223 and mud that are filled in above and below the paper outer cylinder 220 respectively
Bottom 222；It is connected between the bursting charge and effect medicine 221 and propellant 21 by lead 224.Emit fire when firework launching
The burning release bulk gas of medicine 21, puts combustion wire 224, and the promotion of inner cylinder 2 flies out after launching tube 1 to aerial highest point, and 224 points of lead
Fire the explosion of 22 internal explosion medicine of inner cylinder ontology.
Present embodiment is it is further preferred that the obturator ring 20 is set between inner cylinder ontology 22 and propellant 21
There are retaining ring 202, guide ring 202 and the integrated structure of obturator ring 20, under the action of retaining ring 202, by obturator ring 20 points
It is separated out the installation space of inner cylinder ontology 22 and propellant 21, facilitates the installation of inner cylinder ontology 22 and the filling of propellant 21.
Present embodiment it is further preferred that as shown in figure 3, the launching tube 1 is the overall emission cylinder of metal or plastics,
To realize that the recycling of launching tube 1 is reused, only inner cylinder 2 is as consumables are seted off, and cost is seted off in reduction, compared to traditional fireworks
Consumables are generally seted off, are scrapped after disposable, the waste and environmental pollution of ecological resources, while present embodiment are caused
Launching tube 1 will not make moist, and air-tightness is good, get rid of traditionally on paper launching tube moisture-sensitive, and influence the air-tightness of launching tube 1, cause
Fried cylinder, low fried phenomenon.
For present embodiment it is further preferred that as shown in Fig. 2,4-7, the launching tube 1 is metal launching tube, the transmitting
Cylinder 1 includes cylinder 10 and cover 11, the cylinder 10 and 11 phase fitting of cover, and the cylinder 10 is in 11 phase suit place of cover
Grading structure.
Launching tube 1 is metal launching tube in present embodiment, is able to achieve recycling and reuses, only inner cylinder 2 is used as to set off and disappear
Consumption product are generally seted off consumables compared to traditional fireworks, are scrapped after disposable, cause waste and the environment of ecological resources
Pollution, while present embodiment launching tube, will not make moist, and air-tightness is good, get rid of traditionally on paper launching tube moisture-sensitive, and influence hair
The air-tightness of shooting cylinder 1 leads to fried cylinder, low fried phenomenon.
Launching tube 1 adopts a split structure in present embodiment, with 21 residue of easy cleaning propellant, realizes unlimited
It reuses, energy conservation and environmental protection.
The cylinder 10 and 11 phase suit place of cover that launching tube 1 includes in present embodiment use grading structure, contact area
Greatly, gas tightness is good, guarantees that fireworks effectively emit.
In present embodiment, the launching tube 1 is made of steel, and launching tube 1 can be using other metal materials, this
It is not particularly limited.
In present embodiment, grading structure can be pyramidal structure or arcuate structure, can also be pyramidal structure and arc
The composite structure etc. of structure, this is not particularly limited.
Present embodiment it is further preferred that the cover 11 be equipped with pyramidal structure 110, the cylinder 10 be equipped with
The bellmouth 101 that 11 pyramidal structure 110 of cover matches, i.e. cylinder 10 and cover 11 are cooperated using cone seal, not only
Sealing effect is good, and simultaneous processing is convenient.Present embodiment, which can also be, sets pyramidal structure 110 on cylinder 10, cone is set on cover 11
The structure in shape hole 101, this is not particularly limited.
Present embodiment works as cylinder it is further preferred that as shown in fig. 6, the bellmouth 101 is gradually reduced from bottom to top
10 with cover 11 assemble when, cover 11 is placed on ground or launcher first, and cylinder 10 is directly sleeved on cover 11；
When disassembly, cylinder 10 is lifted up, and the separation of cylinder 10 Yu cover 11 can be realized, assembly and disassembly are quite easy, time saving and energy saving.
Present embodiment is it is further preferred that the size at 101 osculum end of the bellmouth is less than the inner hole of the cylinder 10
102 sizes.Preferably, the 101 osculum end of bellmouth and 10 inner hole 102 of cylinder are in plane transition to present embodiment,
Middle 101 osculum end of bellmouth and 10 inner hole 102 of cylinder can also be gradual transition.As shown in fig. 7, when firework launching, transmitting
The gas that gunpowder 21 the generates active force downward to cylinder 10, is pressed down against cylinder 10 relative to cover 11, thus cylinder 10
Cooperate with cover 11 closer, greatly improve the air-tightness between cylinder 10 and cover 11, that is, guarantee the air-tightness of launching tube 1,
Good seal performance.
Present embodiment it is further preferred that 11 pyramidal structure 110 of the cover bigger diameter end be equipped with platform 111, it is described
The size of platform 111 is greater than the size of 11 pyramidal structure of cover, 110 bigger diameter end.Wherein platform 111 is in pyramidal structure 110
Integral structure.
Present embodiment is it is further preferred that as shown in figure 9, the firework setting off equipment further includes ignition electrode 3, the point
Fiery needle 3 includes insulating heat-conductive device 30, the heating device 31 in the insulating heat-conductive device 30 and leads set on the insulation
The power supply device 32 thermal 30 outside and be connected with the heating device 31,1 bottom of launching tube are equipped with vent
1101, the insulating heat-conductive device 30 is installed at the vent 1101.
It is lighted a fire in present embodiment using ignition electrode 3, safe and reliable and easy to use, wherein ignition electrode 3 is installed on transmitting
1 bottom of cylinder, easy for installation and guarantee 1 good appearance of launching tube, while the heating device 31 that ignition electrode 3 includes is located at insulating heat-conductive
In device 30, under the action of insulating heat-conductive device 30, guarantee heating device 31 and exterior insulation, securely and reliably, while heat passes
The property led is good, effectively lights the propellant in inner cylinder 2, guarantees that fireworks effectively emit, and fireworks of the present invention igniting needle construction is simple,
Manufacturing cost is low.
Present embodiment it is further preferred that the insulating heat-conductive device 30 include high-strength insulating it is thermally conductive cover 301, it is described
Heating device 31 is located in the thermally conductive cover 301 of the high-strength insulating.In use, high-strength insulating is thermally conductive to cover 301 located immediately at interior
It under the explosion environment of 2 propellants 21 of cylinder and is not destroyed, realizes the reuse of ignition electrode 3, energy conservation and environmental protection.Present embodiment
Preferably, the thermally conductive cover 301 of high-strength insulating is made of high-strength ceramics, due to high-strength ceramic have it is high-intensitive, corrosion-resistant,
The excellent performance of heat transmitting height and insulation, so that the residue after firework launching with acid-base property will not be to present embodiment point
Fiery needle 3 causes to corrode, and realizes and reuses infinitely.Preferably, high-strength ceramic is silicon nitride ceramics, can also be other symbols
Close desired high-strength ceramic.
Present embodiment is it is further preferred that the insulating heat-conductive device 30 further includes and the thermally conductive cover of the high-strength insulating
The 301 common insulating boots 302 being connected.Preferably, the common insulating boot 302 is made of conventional ceramic.It is wherein high-intensitive
Insulating heat-conductive cover 301 and the integrated structure of common insulating boot 302.When ignition electrode 3 and launching tube 1 are installed, common insulating boot
302 are installed at the vent 1101 of launching tube 1, and the thermally conductive cover 301 of high-strength insulating is located inside launching tube 1, when inner cylinder 2 is packed into
When in launching tube 1, the thermally conductive cover 301 of high-strength insulating is inserted into 2 propellant 21 of inner cylinder.When launching tube 2 is split type structure
When, vent 1101 is set on cover 11, and common insulating boot 302 is installed at the vent 1101 on cover 11.This embodiment party
The design that insulating heat-conductive device 30 is combined using the thermally conductive cover 301 of high-strength insulating with common insulating boot 302 in formula, can effectively drop
The manufacturing cost of low insulation heat-transfer device 30.
Present embodiment is it is further preferred that the high-strength insulating 301 tapered structures of thermally conductive cover.As shown in figure 4, working as
When inner cylinder 2 is packed into launching tube 1, inner cylinder 2 freely falls to 1 bottom of launching tube, and thermally conductive in the high-strength insulating of pyramidal structure
Under cover 301, punctures the sealing film 23 of 20 lower section of obturator ring and be inserted into propellant 21, simple installation, structure design spirit
Living, use is quite convenient.
Present embodiment is it is further preferred that the power supply device 32 includes power supply 321 and switch 320, the power supply 321
It is connected by the switch 320 with the heating device 31.Wherein the heating device 31 is heating wire, can also be heating
Pipe etc. is the power supply of heating device 31 by power supply 321, unlatching/closing of heating device 31 is realized by switch 320.It is wherein electric
It is connected between source 321, switch 320 and heating device 31 each other by conducting wire 322.
Present embodiment is it is further preferred that as shown in Figures 2 and 3, the firework setting off equipment further includes for described interior
The auxiliary filling device 4 of 2 filling of cylinder.Inner cylinder 2 when being not loaded into launching tube 1, inner cylinder 2 loaded on auxiliary filling device 4 in, with
Under the action of assisting filling device 4, guarantee the safety of inner cylinder 2 storage and transport, is again packed into inner cylinder 2 extremely when firework launching
In launching tube 1.
In present embodiment, auxiliary filling device 4 includes auxiliary filling cylinder 40 and baffle 41, and the auxiliary filling cylinder 40 is in
The open end of hollow structure, and another end opening closed at one end, auxiliary filling cylinder 40 is closed by baffle 41, baffle 41 and auxiliary
It is detachably connected between filling cylinder 40 by modes such as fasteners, when inner cylinder 2 need to be packed into launching tube 1, auxiliary filling cylinder 40
It is directed at launching tube 1, and takes out baffle 41, inner cylinder 2 then freely falls to bottom in launching tube 1, loads quite convenient.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (15)
1. a kind of fireworks inner tank, which is characterized in that the outer surface of the inner cylinder is equipped with an at least ring annular groove.
2. a kind of fireworks inner tank according to claim 1, which is characterized in that the inner cylinder is expanded by heating inner cylinder.
3. a kind of fireworks inner tank according to claim 1 or 2, which is characterized in that the inner cylinder includes obturator ring, is installed on
Inner cylinder ontology above the obturator ring and the propellant being filled in below the obturator ring, the annular groove is set to described
The outer surface of obturator ring.
4. a kind of fireworks inner tank according to claim 3, which is characterized in that sealed below the obturator ring by sealing film
Mouthful.
5. a kind of fireworks inner tank according to claim 3, which is characterized in that the inner cylinder ontology includes paper outer cylinder, loads in mixture
Bursting charge and effect medicine in the middle part of the paper outer cylinder and the solid flashing composition and mud for being filled in paper outer cylinder upper and lower part respectively
Bottom；It is connected between the bursting charge and effect medicine and propellant by lead.
6. a kind of firework setting off equipment, which is characterized in that including launching tube and the described in any item inner cylinders of claim 1-5, institute
Stating between transmitting tube inner surface and the inner cylinder outer surface has gap.
7. a kind of firework setting off equipment according to claim 6, which is characterized in that the launching tube is metal launching tube,
The launching tube includes cylinder and cover, the cylinder and cover phase fitting, and the cylinder and cover phase suit place are in gradual change
Structure.
8. a kind of firework setting off equipment according to claim 7, which is characterized in that the cover is equipped with pyramidal structure,
The cylinder is equipped with the bellmouth matched with the cover pyramidal structure.
9. a kind of firework setting off equipment according to claim 8, which is characterized in that the bellmouth gradually contracts from bottom to top
It is small；The size at bellmouth osculum end is less than the hole size of the cylinder.
10. according to a kind of described in any item firework setting off equipment of claim 6-9, which is characterized in that it further include ignition electrode, institute
Ignition electrode is stated to include insulating heat-conductive device, the heating device in the insulating heat-conductive device and fill set on the insulating heat-conductive
The power supply device setting outside and being connected with the heating device, the launching tube bottom are equipped with vent, the insulating heat-conductive
Device is installed at the vent.
11. a kind of firework setting off equipment according to claim 10, which is characterized in that the insulating heat-conductive device includes height
The thermally conductive cover of strength dielectric, the heating device are located in the thermally conductive cover of the high-strength insulating.
12. a kind of firework setting off equipment according to claim 11, which is characterized in that the insulating heat-conductive device further includes
The common insulating boot being connected with the thermally conductive cover of the high-strength insulating.
13. a kind of firework setting off equipment according to claim 11 or 12, which is characterized in that the high-strength insulating is thermally conductive
Cover tapered structure.
14. a kind of firework setting off equipment according to claim 11, which is characterized in that the thermally conductive cover of high-strength insulating is adopted
It is made of high-strength ceramic.
15. a kind of firework setting off equipment according to claim 6, which is characterized in that further include being loaded for the inner cylinder
Auxiliary filling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910178713.XA CN109724479A (en) | 2019-03-11 | 2019-03-11 | A kind of fireworks inner tank and firework setting off equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910178713.XA CN109724479A (en) | 2019-03-11 | 2019-03-11 | A kind of fireworks inner tank and firework setting off equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109724479A true CN109724479A (en) | 2019-05-07 |
Family
ID=66302284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910178713.XA Pending CN109724479A (en) | 2019-03-11 | 2019-03-11 | A kind of fireworks inner tank and firework setting off equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595289A (en) * | 2019-10-22 | 2019-12-20 | 廖建辉 | Spray decoration type firework |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202195755U (en) * | 2011-07-27 | 2012-04-18 | 祝阳 | Environment-friendly fireworks launching base capable of being recovered and recycled |
| CN202885666U (en) * | 2012-11-07 | 2013-04-17 | 浏阳市达浒花炮艺术焰火燃放集团有限公司 | Environmental-friendly inner barrel for fireworks |
| CN106403725A (en) * | 2016-11-02 | 2017-02-15 | 江西省冠天科技有限公司 | Multifunctional firework launch canister and combination thereof |
| CN206638095U (en) * | 2017-04-07 | 2017-11-14 | 江西省冠天科技有限公司 | Straight-through ignition type fireworks inner tank |
-
2019
- 2019-03-11 CN CN201910178713.XA patent/CN109724479A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202195755U (en) * | 2011-07-27 | 2012-04-18 | 祝阳 | Environment-friendly fireworks launching base capable of being recovered and recycled |
| CN202885666U (en) * | 2012-11-07 | 2013-04-17 | 浏阳市达浒花炮艺术焰火燃放集团有限公司 | Environmental-friendly inner barrel for fireworks |
| CN106403725A (en) * | 2016-11-02 | 2017-02-15 | 江西省冠天科技有限公司 | Multifunctional firework launch canister and combination thereof |
| CN206638095U (en) * | 2017-04-07 | 2017-11-14 | 江西省冠天科技有限公司 | Straight-through ignition type fireworks inner tank |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595289A (en) * | 2019-10-22 | 2019-12-20 | 廖建辉 | Spray decoration type firework |
| CN110595289B (en) * | 2019-10-22 | 2024-06-18 | 廖建辉 | Spray-type firework |
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