Lead structure for combined fireworks

Abstract

The utility model discloses a lead structure for combined fireworks, which is characterized in that a mud bottom, propellant powder, a fire passing paper sheet, effect powder and a coping paper sheet are sequentially arranged inside an outer cylinder from bottom to top, and a cylinder is vertically and fixedly arranged at the center inside the mud bottom. A short lead on the center of a circular plate enters a cylinder, a threaded ring is rotated to move upwards at the bottom of the cylinder through threads, the threaded ring rotates on a circular ring and an annular sliding block through a circular ring groove and an annular sliding groove, and then the circular ring is conveniently driven to move upwards instead of rotating; the circular ring moves upwards to drive the short lead on the center of the circular plate to move upwards into the propellant powder, so that the short lead conveniently penetrates through the center of the mud bottom through the cylinder to enter the propellant powder, and successful fire transfer of the short lead penetrating through the mud bottom is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of fuses characterized by the type or type of ammunition, in particular to a fuse structure for combined fireworks. Background Art

[0002] Combined fireworks are composed of multiple single tubes. They are ground fireworks products that produce sound, light, color, floating objects and other effects when ignited. There are several problems with combined fireworks on the market. The connection between the single tubes is in series. If the fuse of any single tube in the middle goes out, the whole product will go out of fire. In addition, the fuse of the single tube passes through the wall of the outer tube and is connected to the propellant. In this way, holes are often punched in the mud bottom during production, resulting in the fuse not transmitting fire, resulting in quality problems such as flameout and flameout. In addition, the process of installing such a fuse is complicated. If the hole is too small, the fuse cannot pass through the hole. If the hole is too large, the gap between the fuse and the hole will be too large, resulting in the fuse falling off due to vibration during transportation, thereby causing the above-mentioned flameout problem. In addition, due to the hole punched on the outer tube arm of the single tube, the pressure bearing strength of the paper tube is reduced. Since the hole is located in the explosion pressure zone of the propellant, the paper tube often fails to reach the pressure bearing strength required for explosion due to the excessive hole punching, resulting in problems such as tube explosion and low explosion of the product. Therefore, it is necessary to provide a fuse structure for combined fireworks to solve the above-mentioned problems. Utility Model Content

[0003] The utility model aims to solve the problem that holes need to be punched on the side of a single tube when installing a fuse in the prior art, thereby providing a fuse structure for combined fireworks.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fuse structure for combined fireworks, including a combined firework composed of a plurality of single tubes, the single tube including an outer tube, the interior of the outer tube is provided with a mud bottom, propellant, over-fire paper, effect medicine and top pressure paper in sequence from bottom to top, a cylinder is vertically fixedly arranged at the inner center of the mud bottom, and both ends of the cylinder are located outside the mud bottom, fixing rods are fixedly arranged at the four ends of the outer center of the cylinder, the other ends of the four fixing rods are fixedly arranged on the inner wall of the outer tube, and the four fixing rods are all located inside the mud bottom.

[0005] Furthermore, a thread is arranged on the outer side of the bottom end of the cylinder, a threaded ring is arranged on the outer side of the bottom end of the cylinder through the thread, a circular groove is opened in the bottom of the threaded ring, a circular ring is slidably arranged inside the circular groove, and the circular ring is located at the inner bottom of the threaded ring.

[0006] Furthermore, an annular slider is fixedly arranged on the top outer side of the circular ring, an annular groove is opened in the inner ring of the threaded ring, and the annular groove is connected to the top outer side of the circular groove, and the annular slider is slidably arranged in the annular groove.

[0007] Furthermore, a circular plate is fixedly provided at the bottom of the circular ring, a short lead is vertically fixedly provided at the center of the circular plate, and the upper end of the short lead is located in the cylinder, the top end of the short lead passes through the cylinder and extends into the propellant, and a long lead is laterally fixedly provided at the bottom of the short lead, and the long lead is located at the bottom of the circular plate.

[0008] Furthermore, grooves are provided at both ends of the bottom of the outer tube, and the long fuse is laterally located in the grooves. One end of the long fuse extends to the outside of the single tube and is fixedly provided with a ignition fuse.

[0009] The beneficial effects of the utility model are as follows: a cylinder is fixedly arranged at the bottom of the outer cylinder, and then the threaded ring is aligned with the bottom of the cylinder, so that the short lead on the center of the circular plate enters into the cylinder, and the threaded ring is rotated to move upward at the bottom of the cylinder through the thread, so that the threaded ring is respectively rotated on the circular ring and the circular slide block through the circular ring groove and the circular slide groove, thereby facilitating the circular ring to move upward instead of rotating, and the upward movement of the circular ring drives the short lead on the center of the circular plate to move upward into the propellant, thereby facilitating the short lead to pass through the cylinder through the center of the mud bottom into the propellant, thereby ensuring that the short lead passes through the mud bottom and successfully transmits fire; at the same time, the threaded ring is fixed to the bottom of the cylinder by thread, so that the short lead is tightly fixed at the bottom of the cylinder. The short fuse of each single tube passes through the round plate and is connected to the long fuse, that is, the fire transmission mode of each single tube is parallel. Even if one single tube fails in the middle, it will not affect the fire transmission of other single tubes, so that the combined fireworks will not fail. At the same time, the utility model does not drill holes in the outer tube of the single tube, that is, the explosion pressure range of the propellant, and does not damage the structure of the outer tube. The fuse passes through the mud bottom and enters the propellant, so that the gap in the product after combustion is extremely small, and the problem of bursting tube and low explosion due to high explosion pressure of the combined fireworks will not occur, thereby making the manufacturing process simpler. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0011] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0012] Figure 3 This is a schematic diagram of the main cross-sectional structure of the monotube in the utility model;

[0013] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure at A in the middle;

[0014] Figure 5 It is a schematic diagram of the structure of the cylinder in the utility model;

[0015] Figure 6It is a structural schematic diagram of the threaded ring in the utility model;

[0016] Figure 7 It is a schematic diagram of the structure of the circular ring in the utility model.

[0017] In the figure: 1 single tube, 2 outer tube, 3 mud bottom, 4 propellant, 5 fire paper, 6 effect powder, 7 top pressure paper, 8 cylinder, 9 fixing rod, 10 thread, 11 thread ring, 12 ring groove, 13 ring, 14 ring slide, 15 ring slide, 16 round plate, 17 short fuse, 18 long fuse, 19 groove, 20 ignition fuse. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figures 1 to 7 The present embodiment provides a fuse structure for combined fireworks, including a combined fireworks composed of a plurality of single tubes 1, wherein the single tube 1 comprises an outer tube 2, wherein a mud bottom 3, a propellant 4, a fire-through paper sheet 5, an effect medicine 6 and a top pressure paper sheet 7 are sequentially arranged inside the outer tube 2 from bottom to top, a cylinder 8 is vertically fixedly arranged at the center of the inner part of the mud bottom 3, and both ends of the cylinder 8 are located outside the mud bottom 3, and fixing rods 9 are fixedly arranged at the four ends of the outer center of the cylinder 8, and the other ends of the four fixing rods 9 are fixedly arranged on the inner wall of the outer tube 2, and the four fixing rods 9 are located inside the mud bottom 3; preferably, the single tube 1 is provided to facilitate the combination into fireworks, and the outer tube 2 is provided to facilitate the sequential arrangement of the outer tube 2 from bottom to top inside the outer tube 2. A mud bottom 3, propellant 4, over-fire paper 5, effect medicine 6 and top pressure paper 7 are arranged. The mud bottom 3 is arranged to facilitate closing the bottom of the outer tube 2, the propellant 4 is arranged to facilitate igniting fireworks, the over-fire paper 5 is arranged to facilitate limiting the burning range of the propellant 4, the effect medicine 6 is arranged to facilitate fireworks to bloom with different effects, the top pressure paper 7 is arranged to facilitate limiting the top of the outer tube 2 to prevent the contents in the outer tube 2 from falling out easily, the cylinder 8 is arranged to facilitate opening a channel in the center of the mud bottom 3, the fixing rod 9 is arranged to facilitate fixing the cylinder 8 inside the bottom of the outer tube 2, and thus facilitate enhancing the stability of the mud bottom 3 fixed inside the bottom of the outer tube 2.

[0020] Furthermore, a thread 10 is provided on the outer side of the bottom end of the cylinder 8, and a threaded ring 11 is threadedly provided on the outer side of the bottom end of the cylinder 8 through the thread 10. An annular groove 12 is provided in the bottom of the threaded ring 11, and a ring 13 is slidably provided inside the annular groove 12, and the ring 13 is located at the inner bottom of the threaded ring 11; preferably, the thread 10 is provided to facilitate the threaded setting of the threaded ring 11 on the bottom of the cylinder 8, the threaded ring 11 is provided to facilitate the fixed setting of the ring 13 under the bottom of the cylinder 8, the annular groove 12 is provided to facilitate the rotation of the ring 13 in the threaded ring 11, and the threaded ring 11 is rotated to facilitate the upward or downward movement at the bottom end of the cylinder 8, thereby facilitating the fixing or removal of the threaded ring 11 on the bottom end of the cylinder 8, thereby preventing the rotation of the threaded ring 11 from driving the ring 13 to rotate.

[0021] Furthermore, an annular slider 14 is fixedly provided on the top outer side of the circular ring 13, an annular groove 15 is provided in the inner ring of the threaded ring 11, and the annular groove 15 is communicated with the top outer side of the annular groove 12, and the annular slider 14 is slidably provided in the annular groove 15; preferably, the annular slider 14 is provided to facilitate the movement of the circular ring 13 in the threaded ring 11, and the annular groove 15 is provided to facilitate the movement of the annular slider 14 in the threaded ring 11, and the annular groove 15 is provided to facilitate the rotation of the annular groove 15 on the annular slider 14 by rotating the threaded ring 11, thereby facilitating the circular ring 13 to move upward instead of rotating.

[0022] Further, a circular plate 16 is fixedly provided at the bottom of the circular ring 13, a short lead 17 is vertically fixedly provided at the center of the circular plate 16, and the upper end of the short lead 17 is located in the cylinder 8, the top end of the short lead 17 passes through the cylinder 8 and extends into the propellant 4, and a long lead 18 is horizontally fixedly provided at the bottom end of the short lead 17, and the long lead 18 is located at the bottom of the circular plate 16; preferably, by providing the circular plate 16, it is convenient to vertically fix the short lead 17 inside it, thereby facilitating the insertion of the short lead 17 into the cylinder 8, so that it is convenient to fix the top end of the short fuse 17 in the propellant 4 through the threaded ring 11, and the propellant 4 is ignited by igniting the short fuse 17, so as to facilitate igniting the effect medicine 6 for launching. By providing a long fuse 18, it is convenient to connect multiple short fuses 17, so that the fire transmission mode of multiple short fuses 17 is parallel. Even if a short fuse 17 is extinguished in the middle, it will not affect the fire transmission of other short fuses 17, so that the combined fireworks will not be extinguished.

[0023] Furthermore, grooves 19 are provided at both ends of the bottom of the outer tube 2, and the long fuse 18 is laterally located in the groove 19, and one end of the long fuse 18 extends to the outside of the single tube 1 and is fixedly provided with a ignition fuse 20; preferably, the groove 19 is provided to facilitate the placement of the long fuse 18 at the bottom of multiple outer tubes 2, and then facilitate the parallel connection of the short fuses 17 at the bottom of multiple outer tubes 2, and the ignition fuse 20 is provided to facilitate the ignition of the combined fireworks, and then facilitate the ignition of the long fuse 18, and the ignition of the long fuse 18 facilitates the ignition of the short fuse 17, thereby facilitating the ignition of the propellant 4 to launch the fireworks.

[0024] In the utility model, when in use, the cylinder 8 is fixedly installed on the inner bottom of the outer cylinder 2 through four fixing rods 9, and then soil is put into the inner bottom of the outer cylinder 2 to form a mud bottom 3, so that the cylinder 8 is vertically fixed and arranged at the center of the mud bottom 3, and then the threaded ring 11 is aligned with the bottom of the cylinder 8, so that the short lead 17 on the center of the circular plate 16 enters the cylinder 8, and the threaded ring 11 is rotated to move upward on the bottom of the cylinder 8 through the thread 10, so that the threaded ring 11 passes through the circular groove 12 and the annular slide groove 15 respectively. The circular ring 13 and the annular slider 14 rotate, so that the circular ring 13 moves upward instead of rotating. The upward movement of the circular ring 13 drives the top of the short fuse 17 on the center of the circular plate 16 to move upward, leave the cylinder 8 and enter the propellant 4 area. At the same time, the long fuse 18 at the bottom of the circular plate 16 is placed in the grooves 19 at both ends of the bottom of the outer cylinder 2, and then the propellant 4, the fire paper 5, the effect medicine 6 and the top pressure paper 7 are placed in the outer cylinder 2 from bottom to top, so as to facilitate the combination of multiple single cylinders 1 into fireworks; The short fuse 17 is convenient for passing through the cylinder 8 through the center of the mud bottom 3 and into the propellant 4, thereby ensuring that the short fuse 17 passes through the mud bottom 3 and successfully transmits fire; at the same time, it is threadedly fixed to the bottom of the cylinder 8 by the threaded ring 11, so that the short fuse 17 is tightly fixed in the propellant 4, so that no matter how it vibrates, the short fuse 17 will not fall off, and the fire will not be cut off due to the falling of the short fuse 17; at the same time, the bottom of the short fuse 17 of each single tube 1 passes through the circular plate 16 and is connected to the long fuse 18, that is, the fire transmission mode of each single tube 1 is a parallel mode, even if a single tube 1 is extinguished in the middle, it will not affect the fire transmission of other single tubes 1, so that the combination of fireworks will not be extinguished. At the same time, the utility model does not drill holes in the outer tube of the single tube 1, that is, the explosion pressure range of the propellant 4, and does not destroy the structure of the outer tube 2. The short fuse 17 passes through the mud bottom 3 and enters the propellant 4, so that the gap of the product after its combustion is extremely small, and the problem of low explosion caused by the explosion pressure of the combined fireworks will not occur, thereby making the manufacturing process simpler.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fuse structure for combined fireworks, comprising a combined fireworks composed of a plurality of single tubes (1), characterized in that: The single barrel (1) comprises an outer barrel (2), wherein a mud bottom (3), propellant (4), a fire paper sheet (5), an effect powder (6) and a top pressure paper sheet (7) are arranged in order from bottom to top inside the outer barrel (2), a cylinder (8) is vertically fixedly arranged at the center of the inner part of the mud bottom (3), and both ends of the cylinder (8) are located outside the mud bottom (3), and fixing rods (9) are fixedly arranged at the four ends of the outer center of the cylinder (8), and the other ends of the four fixing rods (9) are fixedly arranged on the inner wall of the outer barrel (2), and the four fixing rods (9) are located inside the mud bottom (3).

2. The fuse structure for combined fireworks according to claim 1, characterized in that: The outer side of the bottom end of the cylinder (8) is provided with a thread (10), and the outer side of the bottom end of the cylinder (8) is threadedly provided with a threaded ring (11) through the thread (10), and a circular groove (12) is provided in the bottom of the threaded ring (11), and a circular ring (13) is slidably provided inside the circular groove (12), and the circular ring (13) is located at the inner bottom of the threaded ring (11).

3. The fuse structure for combined fireworks according to claim 2, characterized in that: An annular slider (14) is fixedly arranged on the outer side of the top of the circular ring (13); an annular slide groove (15) is provided in the inner ring of the threaded ring (11); the annular slide groove (15) is connected to the outer side of the top of the circular groove (12); and the annular slider (14) is slidably arranged in the annular slide groove (15).

4. The fuse structure for combined fireworks according to claim 3, characterized in that: A circular plate (16) is fixedly arranged at the bottom of the circular ring (13); a short fuse (17) is vertically fixedly arranged at the center of the circular plate (16); the upper end of the short fuse (17) is located in the cylinder (8); the top end of the short fuse (17) passes through the cylinder (8) and extends into the propellant (4); a long fuse (18) is transversely fixedly arranged at the bottom end of the short fuse (17); and the long fuse (18) is located at the bottom of the circular plate (16).

5. The fuse structure for combined fireworks according to claim 4, characterized in that: Both ends of the bottom of the outer tube (2) are provided with grooves (19), and the long fuse (18) is transversely located in the groove (19). One end of the long fuse (18) extends to the outside of the single tube (1) and is fixedly provided with a ignition fuse (20).

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