Firework launcher

Abstract

The utility model relates to the technical field of firework launching, and discloses a firework launcher which comprises a firework cylinder and a handheld cylinder, the handheld cylinder is detachably connected to the rear end of the firework cylinder through a connecting assembly, a gas cylinder is detachably installed at the rear end in the firework cylinder, the front end in the firework cylinder is filled with firework pieces, and the gas cylinder is detachably installed in the gas cylinder. A sealing mechanism used for sealing and storing gas in the gas cylinder is arranged on an upper bottle opening of the gas cylinder, and the handheld cylinder is provided with a fusing mechanism. The firework cylinder and the handheld cylinder are designed in a separated mode, after fireworks are sprayed, the firework cylinder and the handheld cylinder can be opened, the gas cylinder in the cylinder is taken out and replaced, firework pieces are refilled in the firework cylinder, the firework cylinder can be used again, compared with the scheme, resource waste caused by integrally throwing away the firework cylinder and the gas cylinder can be reduced, and the environment is protected. Meanwhile, the indicating lamp and the ship-shaped switch are additionally arranged on the handheld cylinder, so that the electric quantity of the storage battery can be known more visually, and timely replacement is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of fireworks, in particular to a fireworks launcher. Background Art

[0002] Electronic fireworks are commonly used in weddings and other celebrations. Most electronic fireworks release compressed gas from the gas cylinder by melting the nylon rope with an electrically heated tungsten wire, which causes the fireworks placed in the barrel to burst out and create a visually festive atmosphere. Moreover, it has the advantages of being pollution-free and easy to carry, and has gradually replaced gunpowder fireworks.

[0003] Most of the existing electronic fireworks are integral structures, and the firework tube and gas cylinder are thrown away and scrapped as a whole after use, resulting in a waste of resources.

[0004] Therefore, we propose a firework launcher to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies of the prior art in the above background technology, the purpose of the present utility model is to provide a fireworks launcher to solve the problems raised in the above background technology.

[0007] (II) Technical solution

[0008] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0009] A fireworks launcher, comprising a fireworks tube and a hand-held tube, wherein the hand-held tube is detachably connected to the rear end of the fireworks tube through a connecting assembly, a gas cylinder is detachably installed at the rear end of the fireworks tube, and fireworks pieces are filled at the front end of the fireworks tube, a sealing mechanism for sealing the gas in the gas cylinder is provided on the upper bottle mouth of the gas cylinder, and the hand-held tube is provided with a fuse mechanism;

[0010] The connecting assembly includes a fixing assembly and a hinge assembly. The lower part of the hand-held tube is hinged to the lower part of the ceremony tube through the hinge assembly, and the upper part of the hand-held tube is fixed to the upper part of the ceremony tube through the fixing assembly.

[0011] Furthermore, the fixing assembly includes a horizontal plate arranged at the front end of the hand-held tube and a protrusion fixed at the rear end of the fireworks tube, the protrusion is provided with a tooth groove, the horizontal plate is fixed with teeth engaged with the tooth groove, the hand-held tube is symmetrically fixed with a vertical plate front and back, a connecting column is fixed between the two vertical plates, a connecting plate that intercepts the rotation of the connecting column is fixed at the bottom of the hand-held tube, a torsion spring is sleeved on the connecting column, and the two ends of the torsion spring are respectively abutted against the bottom of the horizontal plate and the top of the hand-held tube.

[0012] Furthermore, the hinge assembly includes a trigger frame fixed to the front end of the hand-held tube and a hinge block fixed to the rear end of the fireworks tube, and the trigger frame is hingedly connected to the hinge block.

[0013] Preferably, the inner wall of the fireworks tube is provided with a plurality of limiting plates arranged along its circumference, and a notch is formed at the ends of the plurality of limiting plates, and the diameter of the notch is larger than the diameter of the gas cylinder mouth and smaller than the diameter of the gas cylinder body.

[0014] Furthermore, the closing mechanism includes a bottom ring mounted on the outside of the mouth of the gas cylinder and a closing plate attached to the mouth of the gas cylinder. An extension plate is provided at one end of the bottom ring and the closing plate. The two extension plates are fastened and fixed by nylon ropes. The bottom ring is hingedly connected to the other end of the closing plate.

[0015] Furthermore, the fuse mechanism includes a battery fixed in the hand-held tube and a micro switch electrically connected to the battery, the output end of the micro switch is electrically connected to a wire, the wire is provided with a fuse, the fuse is wound on a nylon rope, and a trigger is hinged on the trigger frame, the top of which contacts the micro switch.

[0016] Preferably, an indicator light and a rocker-shaped switch are provided on the hand-held tube, and the indicator light, the rocker-shaped switch and the battery are connected in series.

[0017] Preferably, a non-slip rubber pad is provided on the outside of the ceremony tube.

[0018] (III) Beneficial effects

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] The firework tube and hand-held tube are designed to be separated. After the fireworks are sprayed, the firework tube and the hand-held tube can be opened, the gas cylinder in the tube can be taken out for replacement, and the firework tube can be refilled with firework pieces and used again. Compared with the above solution, it can reduce the waste of resources caused by throwing away the firework tube and gas cylinder as a whole. At the same time, an indicator light and a boat-shaped switch are added to the hand-held tube to more intuitively understand the battery power so as to replace it in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the internal structure of the fireworks launcher of the utility model;

[0022] Figure 2 This is an enlarged view of point A of the fireworks launcher of the utility model;

[0023] Figure 3 This is a schematic diagram of the external structure of the fireworks launcher of the utility model;

[0024] Figure 4 This is a schematic diagram of the closing mechanism structure of the fireworks launcher of the utility model;

[0025] Figure 5 The utility model is a schematic diagram of the cross-sectional structure of a fireworks tube of a fireworks launcher.

[0026] In the figure: a firework tube 1, a hand-held tube 2, a connecting component 3, a fixing component 31, a horizontal plate 311, a protrusion 312, a tooth groove 313, a tooth 314, a vertical plate 315, a connecting column 316, a connecting plate 317, a torsion spring 318, a hinge component 32, a trigger frame 321, a hinge block 322, a gas cylinder 4, a firework piece 5, a closing mechanism 6, a bottom ring 61, a closing plate 62, an extension plate 63, a nylon rope 64, a fuse mechanism 7, a battery 71, a micro switch 72, a wire 73, a fuse 74, a trigger 75, an indicator light 8, a boat-shaped switch 9, a limit plate 10, and an anti-slip rubber pad 11. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all of the embodiments. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "bottom surface" and "top surface", "inside" and "outside" refer to the directions toward or away from the geometric center of a specific component, respectively. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-5 As shown, the utility model provides a fireworks launcher, comprising a fireworks tube 1 and a hand-held tube 2, the hand-held tube 2 is detachably connected to the rear end of the fireworks tube 1 through a connecting assembly 3, a gas cylinder 4 is detachably installed in the rear end of the fireworks tube 1, a plurality of limiting plates 10 arranged along its circumference are arranged on the inner wall of the fireworks tube 1, a notch is formed at the ends of the plurality of limiting plates 10, the notch diameter is larger than the diameter of the bottle mouth of the gas cylinder 4 and smaller than the diameter of the bottle body of the gas cylinder 4, the bottle mouth of the gas cylinder 4 is stuck in the notch, the front end of the fireworks tube 1 is filled with fireworks pieces 5, a sealing mechanism 6 for sealing the gas in the gas cylinder 4 is arranged on the bottle mouth of the gas cylinder 4, and the hand-held tube 2 is provided with a fuse mechanism 7.

[0029] The connecting component 3 includes a fixing component 31 and a hinge component 32. Figure 2As shown, the fixing assembly 31 includes a horizontal plate 311 arranged at the front end of the hand-held tube 2 and a protrusion 312 fixed at the rear end of the fireworks tube 1, a tooth groove 313 is opened on the protrusion 312, and teeth 314 engaged with the tooth groove 313 are fixed on the horizontal plate 311. Vertical plates 315 are fixed to the hand-held tube 2 symmetrically front and back, a connecting column 316 is fixed between the two vertical plates 315, a connecting plate 317 that intercepts the rotation of the connecting column 316 is fixed to the bottom of the hand-held tube 2, and a torsion spring 318 is sleeved on the connecting column 316, and the two ends of the torsion spring 318 are respectively abutted against the bottom of the horizontal plate 311 and the top of the hand-held tube 2.

[0030] like Figure 3 The hinge assembly 32 shown includes a trigger frame 321 fixed to the front end of the hand-held tube 2 and a hinge block 322 fixed to the rear end of the display tube 1, and the trigger frame 321 is hingedly connected to the hinge block 322. When replacing the gas cylinder 4, the rear end of the pressing plate 311 is used to disengage the teeth 314 from the tooth grooves 313, and then the hand-held tube 2 is rotated by the hinge assembly 32 to open the inside of the hand-held tube 2 and the display tube 1, so as to replace the gas cylinder;

[0031] After the replacement, the rear end of the fireworks tube 1 and the front end of the hand-held tube 2 are pressed downward by the torsion spring 318, so that the teeth 314 are stuck in the tooth grooves 313, which limit the fireworks tube 1 and the hand-held tube 2 and prevent them from separating during the fireworks launching process.

[0032] As a preferred technical solution of the utility model: Figure 1 and Figure 4 As shown, the closing mechanism 6 includes a bottom ring 61 sleeved outside the mouth of the gas cylinder 4 and a closing plate 62 attached to the mouth of the gas cylinder 4. An extension plate 63 is provided at one end of the bottom ring 61 and the closing plate 62. The two extension plates 63 are fastened and fixed by a nylon rope 64. The bottom ring 61 and the closing plate 62 are hingedly connected at the other end. Figure 1 As shown, the fuse mechanism 7 includes a battery 71 fixed in the hand-held tube 2 and a micro switch 72 electrically connected to the battery 71. The output end of the micro switch 72 is electrically connected to a wire 73, and a fuse 74 is provided on the wire 73. The fuse 74 can be made of tungsten wire. The fuse 74 is wound on a nylon rope 64. A trigger 75 is hinged on the trigger frame 321, and the top of the trigger 75 contacts the micro switch 72.

[0033] Insert the plug of the wire 73 on the installed gas cylinder 4 into the socket of the micro switch 72, and close the firework tube 1 and the hand-held tube 2. When launching fireworks, pull the trigger 75 to open the micro switch 72, so that the wire 73 is energized. After the wire 73 is energized, the nylon rope 64 is melted by the fuse 74. After the nylon rope 64 is melted, the gas in the bottle is ejected from the bottle mouth, and the firework pieces 5 in the firework tube 1 are ejected, completing the fireworks launch.

[0034] As a preferred technical solution of the utility model: an indicator light 8 and a rocker switch 9 are provided on the handheld tube 2, the indicator light 8 is a row of lights, the indicator light 8, the rocker switch 9 and the battery 71 are connected in series, the indicator light 8 is turned on by the rocker switch 9, and the number of indicator lights 8 that light up is observed to intuitively understand the remaining power of the battery 71.

[0035] As a preferred technical solution of the utility model: an anti-skid rubber pad 11 is arranged at the bottom of the outer side of the fireworks tube 1, so as to hold the fireworks tube 1 tightly during use and reduce the occurrence of hand slippage.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, it should be noted that, in the present invention, unless otherwise clearly specified and limited, the terms such as “set”, “install”, “connected”, “connected”, “fixed”, etc. should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection; it can also be indirectly connected through an intermediate medium.

[0037] In the description of the present invention, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. In this article, the meaning of "plurality" is two or more, unless otherwise clearly and specifically limited.

[0038] For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances; for technicians in this field, they can still modify the technical solutions recorded in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A fireworks launcher, comprising a fireworks tube (1) and a hand-held tube (2), characterized in that: The hand-held tube (2) is detachably connected to the rear end of the fireworks tube (1) via a connecting assembly (3); a gas cylinder (4) is detachably mounted at the rear end of the fireworks tube (1); the front end of the fireworks tube (1) is filled with fireworks pieces (5); a sealing mechanism (6) for sealing the gas in the gas cylinder (4) is provided at the upper bottle mouth of the gas cylinder (4); and the hand-held tube (2) is provided with a fuse mechanism (7); The connecting assembly (3) comprises a fixing assembly (31) and a hinge assembly (32); the lower portion of the hand-held tube (2) is hinged to the lower portion of the display tube (1) via the hinge assembly (32); and the upper portion of the hand-held tube (2) is fixed to the upper portion of the display tube (1) via the fixing assembly (31).

2. A fireworks launcher according to claim 1, characterized in that: The fixing assembly (31) comprises a horizontal plate (311) arranged at the front end of the hand-held tube (2) and a protrusion (312) fixed at the rear end of the fireworks tube (1); a tooth groove (313) is provided on the protrusion (312); teeth (314) engaged with the tooth groove (313) are fixed on the horizontal plate (311); vertical plates (315) are symmetrically fixed to the hand-held tube (2); a connecting column (316) is fixed between the two vertical plates (315); a connecting plate (317) that is rotationally intercepted by the connecting column (316) is fixed to the bottom of the hand-held tube (2); a torsion spring (318) is sleeved on the connecting column (316); and two ends of the torsion spring (318) are respectively in contact with the bottom of the horizontal plate (311) and the top of the hand-held tube (2).

3. A fireworks launcher according to claim 2, characterized in that: The hinge assembly (32) comprises a trigger frame (321) fixed at the front end of the hand-held tube (2) and a hinge block (322) fixed at the rear end of the fireworks tube (1); the trigger frame (321) and the hinge block (322) are hinge-connected.

4. A fireworks launcher according to claim 1, characterized in that: The inner wall of the fireworks tube (1) is provided with a plurality of limit plates (10) arranged along its circumference, and the ends of the plurality of limit plates (10) form a notch, the diameter of the notch being larger than the diameter of the mouth of the gas cylinder (4) and smaller than the diameter of the body of the gas cylinder (4).

5. A fireworks launcher according to claim 3, characterized in that: The sealing mechanism (6) comprises a bottom ring (61) sleeved on the outside of the mouth of the gas cylinder (4) and a sealing plate (62) attached to the mouth of the gas cylinder (4); one end of the bottom ring (61) and the sealing plate (62) are both provided with an extension plate (63); the two extension plates (63) are fastened and fixed by a nylon rope (64); the other end of the bottom ring (61) and the sealing plate (62) are hingedly connected.

6. A fireworks launcher according to claim 5, characterized in that: The fuse mechanism (7) comprises a battery (71) fixed in the hand-held tube (2) and a micro switch (72) electrically connected to the battery (71); an output end of the micro switch (72) is electrically connected to a wire (73); a fuse (74) is provided on the wire (73); the fuse (74) is wound on a nylon rope (64); and a trigger (75) is hinged on the trigger frame (321) and the top of the trigger is in contact with the micro switch (72).

7. A fireworks launcher according to claim 6, characterized in that: The hand-held tube (2) is provided with an indicator light (8) and a rocker switch (9), and the indicator light (8), the rocker switch (9) and the storage battery (71) are connected in series.

8. A fireworks launcher according to claim 1, characterized in that: The outside of the ceremony tube (1) is provided with an anti-slip rubber pad (11).

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