CN210664158U - Combined firework structure inner barrel body and launching barrel without covering paper cake seal - Google Patents
Combined firework structure inner barrel body and launching barrel without covering paper cake seal Download PDFInfo
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- CN210664158U CN210664158U CN201921248512.4U CN201921248512U CN210664158U CN 210664158 U CN210664158 U CN 210664158U CN 201921248512 U CN201921248512 U CN 201921248512U CN 210664158 U CN210664158 U CN 210664158U
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Abstract
The embodiment of the utility model provides a do not need sealed combination fireworks structure inner tube body of lid paper cake and launching tube, solved current cylindrical fireworks launching tube and wet the deformation back, paper cake and paper tube can not be sealed intact to lead to the problem that the transmission height of effect medicine reduces, has the potential safety hazard. The during operation, supporting mechanism plays the effect of friction between increase barrel section of thick bamboo wall surface and the launching tube inner wall in the increase, supporting mechanism rubs with the inner wall of launching tube, the resistance when the barrel outwards jets out in having increased, the pressure that the propellant powder that this resistance will be lighted produced holds the pressure in the launching tube, the firepower of the propellant powder is fully released in the twinkling of an eye that the barrel is jetted out the launching tube including, consequently, the transmission effect is better, specifically can embody at the launching tube of the same size, the height that can launch is higher, or reach the same transmission height, the height of required launching tube and the volume of propellant powder can reduce more than half.
Description
Technical Field
The utility model belongs to the technical field of fireworks and crackers, concretely relates to do not need sealed barrel of combination fireworks structure of lid paper cake and launching tube.
Background
Fireworks have a long history in China and are popular with people due to the fact that fireworks are bright and colorful. According to the regulation of national standard GB19593-2015 Firework and firecracker combined Firework, the combined Firework is a product formed by combining two or more than two small fireworks, spraying fireworks and spitting beads with the same type or different types of Firework. The firework combination method is divided into two types, namely similar combined fireworks and dissimilar combined fireworks according to combination types. The combination of the small fireworks is divided into the following parts according to the rising effect part structure, shape and launching form: cylindrical, round ball, drug column, drug granule and boosting type.
The traditional cylindrical firework launching tube is composed of a single paper tube as a basic launching unit. The bottom of the single paper tube is sealed by a mud bottom, and the paper tubes are bonded by glue. The utility model provides an in-process that the people was realizing this application embodiment, the paper launch tube of discovery cylinder type fireworks has following problem:
on the one hand, the below of paper cylinder is beaten the muddy end and is sealed, the top is with the paper cake (the paper cake indicates circular paper lid, though the paper cake has dialect native language color, nevertheless in fireworks technical field, all calls this part to be the paper cake, consequently the utility model discloses along the calling law with the paper cake and not call it for circular paper lid) sealed shortcoming lies in, paper cylinder and muddy end wet easily. The paper tube is easy to deform after being wetted, the deformation can cause that the paper cake sealed with the paper tube can not continuously and perfectly seal the launching paper tube, the launching height of the effect medicine can be reduced, the low-explosion phenomenon can be caused, the tube explosion phenomenon can even occur sometimes, and the safety of people who are exposed and watched is seriously threatened. And the mud head back cover below the fiber container wets, and earth can drop to the phenomenon of taking place to explode a section of thick bamboo can seriously threaten the safety of setting off and watching personnel equally.
On the other hand, the single paper launching cylinders are bonded and connected by glue, and the phenomena of cylinder scattering and land falling are often caused due to failure of the glue after being affected with damp, so that the launching effect is inclined, transverse and messy. Especially, in order to make the firework look bigger, a plurality of manufacturers can add foam square bars between the paper tubes, and sandwich foam plates between the paper tubes, so that the combined firework is further unstable in structure, and is easy to scatter, fall, fly and explode.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a technical problem that solve is that current cylindrical fireworks paper launch canister receives damp deformation back, and paper cake and fiber container can not be sealed intact to lead to the transmission height reduction of effect medicine, have the potential safety hazard, for solving this problem, one of the embodiments of the utility model provides a do not need the sealed combination fireworks structure inner tube body of paper cake, the utility model discloses another embodiment provides a do not need the sealed combination fireworks structure launch canister of paper cake.
An inner cylinder body of a combined firework structure without covering paper cakes and sealing is provided, wherein the inner cylinder body is provided with an upper end, a lower end and a cylinder wall connected with the upper end and the lower end;
the upper end of the inner cylinder body is of a closed structure, and the lower end of the inner cylinder body is of an open structure;
the inner cylinder body is in an inverted cone shape or a cylindrical shape;
and a supporting mechanism is arranged on the outer surface of the cylinder wall.
The support mechanism can be a three-dimensional structure with any shape.
Compared with a point-shaped, sheet-shaped or plane-shaped supporting mechanism, the supporting mechanism with the three-dimensional structure can enable the inner cylinder body to be blocked in the launching tube more stably.
The support mechanism can be arranged at any position on the wall of the cylinder.
The inner cylinder body is made of plastic materials.
Preferably, the material of the inner cylinder is recycled plastic.
When the inner barrel for the combined fireworks adopts the technical scheme, the inner barrel is tightly filled with effect powder when in work, the inner barrel is matched with the launching barrel for use, and 1 or more than 1 supporting mechanism is arranged on the outer surface of the barrel wall of the inner barrel; on the other hand, the supporting mechanism plays a role in increasing friction between the outer surface of the wall of the inner barrel body and the inner wall of the launching barrel, the friction between the supporting mechanism and the inner wall of the launching barrel increases resistance when the inner barrel body is ejected outwards, the resistance can suppress pressure generated by ignited propellant powder in the launching barrel, and when the pressure is increased to a certain degree (exceeds the friction between the supporting mechanism of the inner barrel body and the inner wall of the launching barrel), the inner barrel body can be rapidly ejected out of the launching barrel under the pushing of the firepower of the propellant powder, so that the launching effect is better. The height capable of launching is higher for the same size of launch canister; the height of the propellant canister and the amount of propellant required to achieve the same propellant height can be reduced by more than half. In addition, adopt above-mentioned technical scheme's barrel in combination fireworks structure, when the production is made the fireworks, no longer need the cylindrical fireworks paper launch canister of prior art necessary lean on circular upper paper cake and lower paper cake sealed, not only solved current cylindrical fireworks paper launch canister and wet the deformation back, paper cake and paper launch canister can not be sealed perfectly, thereby because pressure leakage leads to the transmission height reduction of effect medicine, the problem that has the potential safety hazard, the process has still been reduced simultaneously, the time of placing paper cake has been saved, the manufacturing time has been shortened, the manpower has been reduced, the production efficiency of fireworks has been improved, and then manufacturing cost has been reduced. And because no paper cake exists, waste paper and garbage can not be generated after fireworks are set off, so that the environmental sanitation is not influenced.
The support mechanism is arranged on the outer surface of the cylinder wall, namely the support mechanism is arranged on the cylinder wall between the upper end of the inner cylinder body and the lower end of the inner cylinder body, and compared with the support mechanism arranged at the uppermost end of the cylinder wall (namely, the support mechanism is flush with the upper end of the inner cylinder body), the support mechanism arranged on the cylinder wall can enable the inner cylinder body to be blocked in the launching cylinder more stably.
The number of the supporting mechanisms may be 1.
Preferably, the number of the supporting mechanisms is at least 2, the supporting mechanisms comprise a first supporting structure and a second supporting mechanism, and the first supporting structure and the second supporting mechanism are circumferentially and uniformly arranged on the outer surface of the cylinder wall.
Further preferably, the number of the supporting mechanisms is 3, the supporting mechanisms comprise a first supporting structure, a second supporting mechanism and a third supporting mechanism, and the first supporting structure, the second supporting mechanism and the third supporting mechanism are circumferentially and uniformly arranged on the outer surface of the cylinder wall.
Further preferably, the first support structure, the second support structure and the third support structure are triangular.
Further preferably, the first support structure, the second support structure and the third support structure are quadrangular frustum pyramid.
Further preferably, the first support structure, the second support structure and the third support structure are arc-shaped bodies.
Further preferably, the first support structure, the second support structure and the third support structure are hemispherical.
Further preferably, the first support structure, the second support structure and the third support structure are cuboids.
Preferably, the number of the supporting mechanisms is 4, the supporting mechanisms comprise a first supporting structure, a second supporting mechanism, a third supporting mechanism and a fourth supporting mechanism, and the first supporting structure, the second supporting mechanism, the third supporting mechanism and the fourth supporting mechanism are circumferentially and uniformly arranged on the outer surface of the cylinder wall.
Preferably, the support mechanism is integrally formed with the inner cylinder.
The supporting mechanism and the inner cylinder body are integrally formed, so that the inner cylinder body is convenient to manufacture and produce.
A combined firework structure launching tube without covering paper cake seal comprises
The inner cylinder body; and
the launching barrel is matched with the inner barrel;
the upper end of the launching tube is provided with an opening, and the bottom of the launching tube is provided with an ignition hole communicated with the inside and the outside of the launching tube;
a launching chamber filled with propellant powder is formed between the bottom of the launching barrel and the lower end of the inner barrel;
when the inner cylinder body is pressed into the launching cylinder, the inner wall of the launching cylinder deforms under the action of the supporting mechanism, so that the cross-sectional area of the contact part of the launching cylinder and the inner cylinder body supporting mechanism is reduced, the inner cylinder body is blocked in the launching cylinder, and the inner diameter of the launching cylinder is smaller than the outer diameter of the inner cylinder body by 0.2-3.0 mm.
The outer diameter of the inner cylinder body is smaller than the inner diameter of the launching cylinder by 0.2-3.0 mm, preferably 0.5-1.0 mm.
Preferably, the launching tube and the inner tube are plastic material tubes.
Further preferably, the launching tube and the inner tube are plastic tubes.
Above-mentioned combination fireworks structure launch canister, interior barrel and launch canister are mutually supported, and the diameter of interior barrel self (not including supporting mechanism) slightly is less than the internal diameter of launch canister (barrel is less than the launch canister by 0.2 ~ 3.0mm in preferred). After the supporting mechanism is arranged on the wall of the inner barrel body, the diameter of the inner barrel body at the supporting mechanism is slightly larger than the inner diameter of the launching barrel, so that when the inner barrel body is plugged into the launching barrel, proper pressure is needed to press the inner barrel body into the launching barrel. The lower extreme of launching tube is equipped with propellant powder launching chamber, and the internal diameter of launching chamber is less than the external diameter of interior barrel bottom, and the internal diameter of launching chamber also can equal the external diameter of interior barrel bottom.
Preferably, the launching tube and the inner tube are plastic material tubes. The launching tube and the inner tube body are made of plastic materials, and the supporting mechanism on the outer wall of the inner tube body is convex, so that when the inner tube body is pressed into the launching tube, the contact part of the launching tube and the supporting mechanism can be slightly deformed.
Adopt above-mentioned technical scheme's combination fireworks structure launching tube, the during operation, tightly pack in the inner barrel integument that has filled with effect powder and fill in the launching tube, the section of thick bamboo wall of interior barrel outside the space below the contact point of supporting mechanism and launching tube forms the blocking, fills the launching powder between launching tube bottom and interior barrel lower extreme, establishes the lead wire groove below the ignition hole, installs pre-buried lead wire in the lead wire groove, compares in the form that links to each other through the short-lead between current combination fireworks paper launching tube, the utility model discloses pre-buried lead wire can effectively prevent disconnected fire, flameout phenomenon. After the embedded lead is ignited, the burning spark ignites the propellant powder in the launching chamber through the ignition hole, the propellant powder is burnt, the inner barrel is pushed and the inner barrel lead is ignited, the friction between the outer surface of the inner barrel wall and the inner wall of the launching barrel is increased by the supporting mechanism, so that the resistance generated when the inner barrel is ejected outwards is increased, the pressure generated by the ignited propellant powder is suppressed in the launching barrel by the resistance, the firepower of the propellant powder is completely sealed in the launching barrel before the inner barrel is ejected out of the launching barrel, the firepower of the propellant powder in the moment when the inner barrel is ejected out of the launching barrel is fully released, a better launching effect is exerted, and after the inner barrel is pushed to the sky, the inner barrel lead ignites the effect powder in the inner barrel, and a gorgeous effect is achieved. The height that can launch is higher for the same size launch canister. Compare with current launch canister, in order to reach the same transmission height, adopt the utility model discloses a launch canister, the height of launch canister and the quantity of propellant powder can reduce more than half. In addition, adopt above-mentioned technical scheme's combination fireworks structure, when producing the equipment fireworks, no longer need the necessary paper cake of the cylindrical fireworks paper launching tube of prior art, not only solved current cylindrical fireworks paper launching tube and wet the deformation back, paper cake and paper tube can not be sealed perfectly, thereby lead to the transmission height reduction of effect medicine, have the problem of potential safety hazard, still saved the time of placing the paper cake simultaneously, the manufacturing time is shortened, the production efficiency of fireworks is improved, and then manufacturing cost is reduced. And because no paper cake is emitted into the air, no garbage is generated after fireworks are set off to influence the environmental sanitation.
The launching tube and the inner tube body are made of plastic materials, and the plastic materials are materials which are not damaged even though the launching tube and the inner tube body deform obviously under the action of external force. The plastic material barrel body also enables the launching barrel to be recycled and reused, and a large amount of paper scrap garbage generated after the traditional fireworks are set off is reduced. The plastic material cylinder body can also be made of recycled plastics, so that the waste generated after fireworks are set off can be reduced, the plastic waste can be recycled, and the plastic material of the launching cylinder is a non-human body direct contact material and is irrelevant to food and the like, so that the requirements of the waste plastics for the launching cylinder on heavy metal content, sanitation and the like are low, and the launching cylinder made of the recycled plastics can provide a wide utilization space for the waste plastics in life, such as waste plastic bottles, plastic bags and the like.
The embodiment of the utility model provides a beneficial effect
1. The embodiment of the utility model provides a do not need sealed combination fireworks structure inner tube body of lid paper cake, in operation, tightly packed in the inner tube body to have effects medicine, the inner tube body uses with the launching tube cooperation, be provided with 1 or more than 1 supporting mechanism on the surface of inner tube body section of thick bamboo wall, supporting mechanism plays the effect of blocking up and fixing, supporting mechanism blocks up the clearance between inner tube body and the launching tube, and keep inner tube body stably on the axial center line in the launching tube, guaranteed the transmission effect;
2. the embodiment of the utility model provides a do not need sealed combination fireworks structure of lid paper cake and tube, in operation, supporting mechanism plays the friction between tube wall surface and the launching tube inner wall in the increase, the inner wall friction of supporting mechanism and launching tube, resistance when having increased interior barrel and outwards ejaculating, the pressure that the propellant powder that this resistance will be lighted produced is suppressed in the launching tube, when pressure increases to certain extent (surpasss the frictional force between tube supporting mechanism and the launching tube in, interior barrel is under the promotion of propellant powder firepower this moment, jet out the launching tube barrel rapidly, therefore the transmission effect is better, specifically can embody in the launching tube of equidimension, the height that can launch is higher, or reach the same launching height, the height of required launching tube and the volume of propellant powder can reduce more than half, because launching tube height and volume diminish, The amount of the propellant powder is reduced, so that the total volume of the combined firework is reduced, and the reduction of the volume of the combined firework can effectively reduce the transportation cost and the storage pressure of a warehouse under the condition of high transportation and storage cost at present;
3. the embodiment of the utility model provides a do not need sealed combination fireworks structure inner tube body of lid paper cake, during operation, no longer need the necessary circular paper cake of prior art cylindrical fireworks launching tube and lower cardboard (lower cardboard is also circular paper cake), not only solved current cylindrical fireworks launching tube and wet the deformation after, circular paper cake and paper tube can not be sealed well to the transmission height that leads to effect medicine because pressure leaks reduces, has the problem of potential safety hazard, has still reduced the process simultaneously, saved the time of placing circular paper cake and lower cardboard, shortened the manufacturing time, reduced the manpower, improved the production efficiency of fireworks, and then reduced manufacturing cost;
4. the embodiment of the utility model provides a do not need sealed combination fireworks structure inner tube body of lid paper cake, because do not have circular paper cake and lower cardboard, can not produce waste paper rubbish after setting off fireworks and influence sanitation, the height of required launching tube and the volume of propellant powder can reduce more than half, therefore poisonous and harmful gas such as smog that produce when reaching the same effect of setting off is also reduced, more environmental protection;
5. the embodiment of the utility model provides a do not need combination fireworks structure launching tube that lid paper cake seals, launching tube and inner tube body are plastic material barrel for launching tube can be retrieved and reuse, has reduced a large amount of wastepaper rubbish that traditional fireworks are touched off and are produced;
6. the embodiment of the utility model provides a combined firework structure launching tube without covering paper cake seal, the launching tube and the inner tube body are plastic material tube bodies, because the supporting mechanism on the outer wall of the inner cylinder body is convex, when the inner cylinder body is pressed into the launching cylinder, the contact part of the launching cylinder and the supporting mechanism can be slightly deformed, and people know that, when the circumference is fixed, the circular area is the largest, before the contact part of the launching tube and the supporting mechanism is slightly deformed, the section of the part is circular, after slight deformation, the circular shape is changed into a polygon, the section area of the part is reduced, the launching tube compresses the inner tube body because the area is reduced, so that the inner tube body closes a space below a contact point of the supporting mechanism and the launching tube outside the tube wall of the inner tube body under the action of the supporting mechanism;
7. the embodiment of the utility model provides a do not need sealed combination fireworks structure launching tube of lid paper cake, the plastic material barrel can also use the recycled plastic preparation, not only can reduce the rubbish that the fireworks are touched off the back and are produced like this, can also carry out recycle to plastic refuse, because launching tube plastic material is non-human direct contact material, irrelevant such as with food, the requirement that consequently is used for the waste plastic of launching tube to heavy metal content and health etc. is low, consequently, use the waste plastic of recycled plastic preparation launching tube will be for the waste plastic in the life, like the plastic bag, the plastic bottle etc. provides wide utilization space.
Drawings
Fig. 1 is a schematic structural view of a single existing cylindrical firework paper launching tube.
Fig. 2 is a schematic structural diagram of a combined cylindrical firework paper launching tube.
Fig. 3 is a schematic structural diagram of an inner cylinder of a conventional cylindrical firework.
Fig. 4 is a schematic view of the inner cylinder body of the embodiment of the present invention, in which the supporting structure is a quadrangular frustum.
Fig. 5 is a schematic structural view of the inner cylinder in the embodiment of the present invention.
Fig. 6 is a schematic view of an inner cylinder with a triangular support structure.
Fig. 7 is a schematic view of an inner cylinder with a support structure in the form of a right triangle.
Fig. 8 is a schematic view of an inner cylinder with a support structure in the form of an arc-shaped body.
Fig. 9 is a schematic view of an inner cylinder with a support structure that is hemispherical.
Fig. 10 is a schematic view of an inner cylinder with a rectangular parallelepiped support structure.
Fig. 11 is a top view of an inner cylinder with 3 support structures.
Fig. 12 is a top view of an inner cylinder with 4 support structures.
Fig. 13 is a schematic structural view of the combined firework structure launching tube of embodiment 3.
FIG. 14 is a schematic structural view of the combined firework structure launching tube in embodiment 3 when the outer diameter of the launching chamber is the same as the outer diameter of the lower end opening of the inner cylinder body.
Detailed Description
The embodiment of the utility model provides a technical problem that solve is that current cylindrical fireworks launch canister receives damp deformation back, and paper cake and paper canister can not be sealed intact to lead to the transmission height of effect medicine to reduce, have the potential safety hazard, for solving this problem, one of the embodiments of the utility model provides a do not need the sealed barrel in combination fireworks structure of paper cake, the utility model discloses another embodiment provides a do not need the sealed combination fireworks structure launch canister of paper cake.
In order to better understand the above technical solutions, the above technical solutions will be described in detail with reference to specific embodiments.
Example 1
In order to understand the improvement of the present invention more easily, the present embodiment first describes the existing cylindrical firework launcher.
As shown in fig. 1, a single launcher tube of a conventional cylindrical firework is shown, wherein an inner tube body 30 is installed in the launcher tube 10, a circular paper cake 20 is covered on an upper end of the inner tube body 30, a lower paper board 40 is padded at a lower end of the inner tube body 30, a lower paper board ignition hole 41 is formed in the center of the lower paper board 40, the circular paper cake 20 forms a closed space between the outside of the inner tube body 30 and the lower paper board 40, a propellant powder layer 50 is filled below the lower paper board 40, a propellant powder head bottom sealing layer 60 is arranged below the propellant powder layer 50, and an ignition lead 70 passes through the propellant powder layer 50 and is led out of the launcher tube. After the propellant powder layer 50 is ignited by the ignition lead 70, the generated thrust launches the inner cylinder 30 into the air, meanwhile, the sparks generated by the propellant powder layer 50 ignite the inner cylinder lead 71 in the inner cylinder 30 through the lower paper board ignition hole 41, and the inner cylinder 30 explodes and burns at high altitude to generate colorful fireworks.
Such as by connecting a plurality of individual barrels by ignition leads 70, to form a conventional combined firework, as shown in fig. 2. After the propellant powder of the first propellant canister is ignited through the ignition lead 70, the propellant powder ignites the ignition lead 70 of the second propellant canister connected with the first propellant canister, the ignition lead 70 is connected with each other through short leads, the phenomena of fire breaking and flameout are easy to occur, and the ignition lead 70 is exposed completely and is easy to damp, and the fire breaking and flameout are easy to occur in the process of setting off fireworks, so that the fireworks are unsafe.
As shown in fig. 3, which is a schematic view of an inverted inner cylinder 30 of a conventional cylindrical firework launching tube, the inner cylinder 30 is made of paper, and when filling, the inner cylinder 30 is inverted, the inner cylinder lead 71 is inserted, and then the mud head is sealed to form a mud head sealing layer 35, the inner cylinder lead 71 is fixed, effect medicines are filled to form an effect medicine layer 36, and then the bottom is sealed by a solid primer to form an inner solid primer layer 37.
In the prior cylindrical firework launching tube, the lower part of the paper launching tube 10 is provided with the launching chemical mud head bottom sealing layer 60, and the upper part of the paper launching tube is sealed by the round paper cake 20, so that the paper launching tube 10 and the launching chemical mud head bottom sealing layer 60 of the launching tube are easily affected with damp. The paper launching tube 10 is easy to deform after being wetted, the deformation can cause that the round paper cake 20 which forms a seal with the launching tube 10 can not continuously and perfectly seal the paper launching tube 10, the launching height of the inner tube body 30 can be reduced, the low-explosion phenomenon can be caused, sometimes even the tube-explosion phenomenon can occur, and the safety of the people who are exposed and watch can be seriously threatened. After the bottom sealing layer 60 of the propellant powder head below the paper propellant canister 10 is affected with damp, mud can fall off, so that the phenomenon of canister explosion can occur, and the safety of the firing and watching personnel can be seriously threatened.
Example 2
In order to solve the problems of the conventional cylindrical firework launching tube in embodiment 1, an embodiment of the present invention provides an inner tube 30 of a combined firework structure without covering paper cake seal, as shown in fig. 4, the inner tube 30 has an upper end, a lower end, and a tube wall 33 connected to the upper end and the lower end;
the upper end 31 of the inner cylinder body is of a closed structure, and the lower end 32 of the inner cylinder body is of an open structure;
the inner cylinder 30 is cylindrical or conical in shape;
the cylinder wall 33 is provided with a support mechanism 34.
The material of the inner cylinder 30 is a plastic material, preferably recycled plastic.
When the inner cylinder 30 for the combined fireworks adopting the technical scheme is filled, as shown in fig. 5, the inner cylinder 30 is firstly turned over, the inner cylinder lead wire 71 is inserted, then the effect powder is filled to form the effect powder layer 36, then the effect powder layer is filled with the solid primer to form the solid primer layer 37, the inner cylinder lead wire 71 needs to be buried to the bottom of the effect powder layer 36, the inner cylinder 30 is matched with the launching tube 10 for use, 1 or more than 1 supporting mechanism 34 is uniformly arranged on the cylinder wall 33 of the inner cylinder 30 in the circumferential direction, on one hand, the supporting mechanism 34 plays a role in blocking and fixing, the supporting mechanism 34 blocks a gap between the inner cylinder 30 and the launching tube 10, and the inner cylinder 30 is kept stably positioned on the axial central line in the launching tube 10, so that the launching effect is ensured; on the other hand, the supporting mechanism 34 increases the friction between the outer surface of the wall 34 of the inner cylinder 30 and the inner wall of the launching cylinder 10, the supporting mechanism 34 rubs the inner wall of the launching cylinder 10, the resistance when the inner cylinder 30 is ejected outwards is increased, the resistance presses the pressure generated by the ignited propellant powder into the launching cylinder 10, and the firepower of the propellant powder 50 at the moment that the inner cylinder 30 is ejected out of the launching cylinder 10 is fully released, so that the launching effect is better, the propellant powder can be embodied in the launching cylinders with the same size, the height capable of being launched is higher, or the same launching height is reached, and the height of the required launching cylinder and the amount of the propellant powder can be reduced by more than half. In addition, adopt above-mentioned technical scheme's combination inner tube body for fireworks, when manufacturing the fireworks, no longer need the necessary circular paper cake 20 of the cylindrical fireworks launching tube of prior art and lower cardboard 40, not only solved current cylindrical fireworks launching tube and wet the deformation back, circular paper cake 20 can not be sealed with the paper tube perfectly, thereby because pressure leakage leads to the transmission height reduction of effect medicine, the problem of potential safety hazard exists, the process has still been reduced simultaneously, the time of placing circular paper cake 20 and lower cardboard 40 has been saved, the manufacturing time has been shortened, the manpower has been reduced, the production efficiency of fireworks has been improved, and then manufacturing cost has been reduced. And because the round paper cake 20 and the lower paper board 40 are not arranged, waste paper and garbage can not be generated after fireworks are set off, so that the environmental sanitation is not influenced.
The support mechanism 34 includes a first support structure, a second support structure, and a third support mechanism.
The first, second and third support structures are triangular in shape, which is a preferred shape as shown in fig. 6 and 7.
The first support structure, the second support structure and the third support structure are quadrangular frustum pyramid shaped as shown in fig. 4.
The first support structure, the second support structure and the third support structure are arc-shaped bodies, as shown in fig. 8.
The first support structure, the second support structure and the third support structure are hemispherical as shown in fig. 9.
The first support structure, the second support structure and the third support structure are cuboids, as shown in fig. 10.
Preferably, the number of the supporting mechanisms 34 is 3, and the supporting mechanisms include a first supporting structure, a second supporting mechanism and a third supporting mechanism, and the shape of the supporting mechanism 34 may also be a circular arc, and the top view is shown in fig. 11.
The number of support mechanisms 34 may be 4, with the support mechanisms 34 including a first support structure, a second support structure, a third support structure, and a fourth support structure, as shown in fig. 12.
Preferably, the supporting mechanism 34 is integrally formed with the inner cylinder 30, and the supporting mechanism 34 is integrally formed with the inner cylinder 30, so that the inner cylinder 30 can be manufactured and produced conveniently.
Example 3
This example provides a combined firework structure launching tube without paper cake seal, as shown in fig. 13, the launching tube includes
The inner cylinder 30 of example 2; and
the launch canister 10 is matched with the inner canister body 30;
the upper end of the launch canister 10 is provided with an opening, and the bottom of the launch canister 10 is provided with an ignition hole 11 which is communicated with the inside and the outside of the launch canister 10;
a launching chamber 80 filled with propellant is formed between the bottom of the launching tube 10 and the lower end opening 32 of the inner barrel body;
when the inner cylinder 30 is pressed into the launcher 10, the inner wall of the launcher 10 is deformed by the support mechanism 34, so that the inner cylinder 30 is blocked in the launcher 10, and the outer diameter of the inner cylinder 30 is 0.2-3.0 mm smaller than the inner diameter of the launcher 10.
Preferably, the launch barrel 10 and the inner barrel 30 are plastic material barrels.
The launcher 10 and the inner barrel 30 are plastic barrels, because the supporting mechanism 34 on the outer wall of the inner barrel is convex, when the inner barrel 30 is pressed into the launcher 10, the contact part of the launcher 10 and the supporting mechanism 34 is slightly deformed, it is known that when the circumference is fixed, the circular area is the largest, the cross section of the contact part of the launcher 10 and the supporting mechanism 34 is circular before the contact part is slightly deformed, and after the contact part is slightly deformed, the circular is changed into a polygon, so the cross section of the contact part is reduced, and the area is reduced, therefore, the launcher 10 compresses the inner barrel 30, so the inner barrel 30 blocks the space outside the barrel wall 33 of the inner barrel 30 and below the contact point of the supporting mechanism 34 and the launcher 10 under the action of the supporting mechanism 34.
The launch barrel 10 is conical or cylindrical and the inner barrel 30 is cylindrical or inverted conical.
Preferably, the launch barrel 10 is cylindrical and the inner barrel 30 is cylindrical or reverse tapered.
Above-mentioned combination fireworks structure launch canister, interior barrel 30 and launch canister 10 mutually support, and the diameter of interior barrel 30 self (not including supporting mechanism 34) slightly is less than the internal diameter of launch canister 10 (barrel 30 is less than launch canister 10 by 0.2 ~ 3.0mm in preferred). After the supporting mechanism 34 is arranged on the wall 33 of the inner cylinder 30, the diameter of the inner cylinder 30 at the position of the supporting mechanism 34 is slightly larger than the inner diameter of the launch cylinder 10, so that when the inner cylinder 30 is plugged into the launch cylinder 10, proper pressure is needed to press the inner cylinder 30 into the launch cylinder 10, the lower end of the launch cylinder 10 is provided with a launch chamber 80, and the inner diameter of the launch chamber 80 is smaller than the outer diameter of the lower end opening 32 of the inner cylinder.
The inside diameter of the firing chamber 80 may also be equal to the outside diameter of the inner barrel lower end opening 32, as shown in FIG. 14.
The inner diameter of the firing chamber 80 may also be slightly larger than the outer diameter of the inner barrel lower end opening 32.
Adopt above-mentioned technical scheme's combination fireworks structure launch canister, the during operation, tightly packed in the inner tube body 30 of effect powder into launch canister 10, form inclosed space between the upper end 31 of inner tube body and the bottom of launch canister 10, fill the propellant powder in the launching chamber 80 between the lower extreme opening 32 of launch canister 10 bottom and inner tube body, establish lead wire groove 90 below ignition hole 11, install pre-buried lead wire 91 in the lead wire groove 90. After the embedded lead 91 is ignited, the burning spark ignites the propellant powder in the propellant chamber 80 through the ignition hole 11, after the propellant powder is burnt, the inner cylinder 30 is pushed and the inner cylinder lead 71 in the inner cylinder 30 is ignited, because the supporting mechanism 34 increases the friction between the outer surface of the wall 33 of the inner cylinder 30 and the inner wall of the launching tube 10 of the launching tube, the resistance of the inner cylinder 30 when the inner cylinder is ejected outwards is increased, the resistance presses the pressure generated by the ignited propellant powder into the propellant canister, so that the firepower of the propellant powder is completely sealed in the propellant canister before the inner canister body 30 is ejected out of the propellant canister, the fire power of the propellant powder is sufficiently released at an instant when the inner cylinder 30 is ejected out of the propellant canister, thereby exerting better emission effect, when the inner cylinder 30 is pushed to the sky, the inner cylinder lead wire 71 ignites the effect medicine layer 36 in the inner cylinder 30 again, and finally the gorgeous effect is emitted.
Compare with current launch canister, the embodiment of the utility model provides a launch canister of the same size can launch highly higher. Also can be in order to reach the same transmission height, adopt the utility model discloses the height of launch canister and the quantity of propellant powder can reduce more than half. In addition, adopt above-mentioned technical scheme's combination fireworks structure, when producing the equipment fireworks, no longer need the necessary circular paper cake of the cylindrical fireworks launching tube of prior art, not only solved current cylindrical fireworks launching tube and wet the deformation back, paper cake and paper tube can not be sealed perfectly, thereby lead to the transmission height reduction of effect powder, have the problem of potential safety hazard, the time of placing circular paper cake and lower cardboard has still been saved simultaneously, the manufacturing time has been shortened, the production efficiency of fireworks has been improved, and then manufacturing cost has been reduced. And because no round paper cake and lower paper board are launched into the air, no mud residue is produced after the propellant mud head sealing bottom layer and the inner cylinder mud head sealing bottom layer are smashed, no garbage is produced after the fireworks are set off, and the environmental sanitation is not influenced.
The launch barrel 10 and the inner barrel 30 are made of plastic materials, and the plastic materials refer to materials which are not damaged though being deformed significantly under the action of external force. The plastic material cylinder body enables the launch canister 10 to be recycled and reused, and a large amount of paper scrap and garbage generated after the traditional fireworks are set off are reduced. The plastic material cylinder body can also be made of recycled plastics, so that the waste generated after the fireworks are set off can be reduced, the plastic waste can be recycled, and the plastic material of the launching cylinder 10 is a non-human body direct contact material and is irrelevant to food and the like, so that the requirements of the waste plastics for the launching cylinder on heavy metal content, sanitation and the like are low, and a wide utilization space is provided for the living waste plastics such as plastic bags, plastic bottles and the like by using the recycled plastics to manufacture the launching cylinder.
In the existing combined firework launching tube, in order to make the firework look bigger, a plurality of manufacturers can plug foam square strips between the paper tube and the paper tube, and clamp the foam square strips between the paper tube and the paper tube, so that the combined firework is further infirm in structure, and is easy to have the phenomena of scattering, falling down, flying and random explosion. If use the utility model discloses combination fireworks structure launch canister can be during manufacturing just through the mould direct production shaping between the launch canister, through plastic connection between each launch canister, the phenomenon such as the frame that looses, falls to the ground can not appear again.
Claims (10)
1. An inner cylinder body of a combined firework structure without covering paper cakes is characterized in that the inner cylinder body (30) is provided with an upper end, a lower end and a cylinder wall (33) connected with the upper end and the lower end;
the upper end (31) of the inner cylinder body is of a closed structure, and the lower end (32) of the inner cylinder body is of an open structure;
the inner cylinder (30) is in an inverted cone shape or a cylindrical shape;
and a supporting mechanism (34) is arranged on the outer surface of the cylinder wall (33).
2. A combined firework structure inner cylinder according to claim 1, wherein the number of the supporting mechanisms (34) is at least 2, and the supporting mechanisms (34) comprise a first supporting structure and a second supporting structure which are circumferentially and uniformly arranged on the outer surface of the cylinder wall (33).
3. The combined firework structure inner cylinder body according to claim 1, wherein the number of the supporting mechanisms (34) is 3, and the supporting mechanisms (34) comprise a first supporting structure, a second supporting mechanism and a third supporting mechanism which are circumferentially and uniformly arranged on the outer surface of the cylinder wall (33).
4. The combined firework structure inner cylinder body according to claim 3, wherein the first support structure, the second support structure and the third support structure are triangular.
5. The combined firework structure inner cylinder body as claimed in claim 3, wherein the first support structure, the second support structure and the third support structure are quadrangular frustum pyramid.
6. The combined firework structure inner cylinder body according to claim 3, wherein the first support structure, the second support structure and the third support structure are arc-shaped bodies.
7. The combined firework structure inner cylinder body as claimed in claim 3, wherein the first support structure, the second support structure and the third support structure are hemispherical or rectangular.
8. A combined firework structure inner barrel according to claim 1, wherein the number of the supporting mechanisms (34) is 4, the supporting mechanisms (34) comprise a first supporting structure, a second supporting mechanism, a third supporting mechanism and a fourth supporting mechanism, and the first supporting structure, the second supporting mechanism, the third supporting mechanism and the fourth supporting mechanism are circumferentially and uniformly arranged on the outer surface of the barrel wall (33).
9. A combined firework structure launching tube without covering paper cake seal is characterized by comprising
The inner cylinder (30) according to any one of claims 1 to 8; and
the launching tube (10) is matched with the inner tube body (30);
the upper end of the launching tube (10) is provided with an opening, and the bottom of the launching tube (10) is provided with an ignition hole (11) which is communicated with the inside and the outside of the launching tube (10);
a launching chamber (80) filled with propellant powder is formed between the bottom of the launching barrel (10) and the lower end (32) of the inner barrel body;
when the inner barrel (30) is pressed into the launching barrel (10), the inner wall of the launching barrel (10) deforms under the action of the supporting mechanism (34), so that the cross-sectional area of the contact part of the launching barrel (10) and the supporting mechanism (34) of the inner barrel (30) is reduced, the inner barrel (30) is blocked in the launching barrel (10), and the outer diameter of the inner barrel (30) is 0.2-3.0 mm smaller than the inner diameter of the launching barrel (10).
10. The combined firework structure launcher according to claim 9, wherein the launcher (10) and the inner cylinder (30) are plastic cylinders.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921248512.4U CN210664158U (en) | 2019-08-02 | 2019-08-02 | Combined firework structure inner barrel body and launching barrel without covering paper cake seal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921248512.4U CN210664158U (en) | 2019-08-02 | 2019-08-02 | Combined firework structure inner barrel body and launching barrel without covering paper cake seal |
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| CN210664158U true CN210664158U (en) | 2020-06-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487129A (en) * | 2019-08-02 | 2019-11-22 | 陈正权 | A kind of combined firework structure inner cylinder and launching tube being not required to the sealing of lid paper cake |
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2019
- 2019-08-02 CN CN201921248512.4U patent/CN210664158U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487129A (en) * | 2019-08-02 | 2019-11-22 | 陈正权 | A kind of combined firework structure inner cylinder and launching tube being not required to the sealing of lid paper cake |
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Effective date of registration: 20200918 Address after: 410000 Qingjiang village, Shegang Town, Liuyang City, Changsha City, Hunan Province Patentee after: Liuyang Yuantai Fireworks Manufacturing Co.,Ltd. Address before: 410000 Room 203, building 10, Europe city, Liuyang Industrial Park, Changsha City, Hunan Province Patentee before: Chen Zhengquan |
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Effective date of registration: 20220523 Address after: 410300 No. 334, group 1, Bangshan Pianlan, Bangshan village, Dongyang Town, Liuyang City, Changsha City, Hunan Province Patentee after: Chen Zhengquan Address before: 410000 she Gang Zhen Qing Jiang Cun, Liuyang City, Changsha City, Hunan Province Patentee before: Liuyang Yuantai Fireworks Manufacturing Co.,Ltd. |
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