Firework launching device

Abstract

The utility model relates to a firework setting-off device, including the laminated setting of upper base plate and lower base plate and the support spare of connection between upper base plate and lower base plate, be equipped with a plurality of containing groove for installing the launching cylinder on lower base plate, a plurality of containing groove form projection module and arrange, projection module forms Chinese character, digit, letter or graph, be equipped with the limiting hole corresponding with containing groove on upper base plate, limiting hole is used for the launching cylinder passes through, through upper base plate, lower base plate and support spare form the frame structure of stable, the limiting hole of upper base plate and the containing groove of lower base plate jointly carry out radial constraint to launching cylinder, effectively prevent launching cylinder from inclining, shaking when setting-off, ensure the launching trajectory of firework shell accurate, thereby guarantee the clear and invariable of aerial pattern.

Description

Technical Field

[0001] This utility model belongs to the field of fireworks display, and specifically designs a fireworks display device. Background Technology

[0002] In traditional decorative fireworks displays, the launch tube and base are mostly manufactured as a single unit in a factory, arranged into specific text or patterns. These devices have the following drawbacks: 1. The one-piece structure makes it difficult to disassemble and reassemble, and it is not convenient to fill the fireworks shells; 2. Due to the irregular shapes of certain text, patterns, or numbers, one-piece fireworks structures are not convenient for transportation and relocation; 3. The existing firing structure has poor stability in fixing the launch tube. The launch tube may tilt, shake, or jump off the launch tube during the firing process due to impact force, which may cause firing hazards and change the realistic pattern effect. Utility Model Content

[0003] In order to solve the above-mentioned problems in the existing technology, the purpose of this utility model is to provide a fireworks display device.

[0004] The technical solution adopted by this utility model is as follows: it includes an upper substrate and a lower substrate stacked together, and a support member connected between the upper substrate and the lower substrate; the lower substrate is provided with a plurality of receiving slots for mounting the launch tube, and the plurality of receiving slots are arranged to form a projection module, the projection module forming Chinese characters, numbers, letters or graphics; the upper substrate is provided with limiting holes corresponding to the receiving slots, the limiting holes being used for the launch tube to pass through.

[0005] As a preferred embodiment of the present invention, the projection module forms multiple projection zones along the length direction of the upper substrate, and the multiple projection zones project simultaneously or continuously at intervals.

[0006] As a preferred embodiment of this invention, the projection partitions sequentially form the numbers "5, 2, 0".

[0007] As a preferred embodiment of the present invention, the support member includes a support rod with one end fixedly connected to the lower substrate and the other end passing through the limiting hole, and a limiting block for supporting the upper substrate is installed on the support rod; the support rod has a thread, and the limiting block is threadedly engaged with the support rod.

[0008] As a preferred embodiment of the present invention, the bottom or side wall of the receiving groove is provided with a lead hole for the launching tube lead to pass through, and the end face of the lower substrate is provided with a lead groove, which communicates with a plurality of lead holes in the projection zone.

[0009] As a preferred embodiment of this invention, the launching tube is embedded and installed within the receiving groove.

[0010] As a preferred embodiment of this invention, the inner diameter of the bottom of the receiving groove matches the diameter of the launching tube, and the inner diameter of the top of the receiving groove is larger than the diameter of the bottom of the receiving groove.

[0011] As a preferred embodiment of this utility model, the inner diameter of the receiving groove is larger than the outer diameter of the launching tube, and the inner sidewall of the receiving groove is provided with an elastic element. One end of the elastic element is connected to the inner sidewall of the receiving groove, and the other end is connected to the outer sidewall of the launching tube. The elastic element is used to limit the tilt angle of the launching tube in the receiving groove.

[0012] As a preferred embodiment of this invention, the elastic element is a limiting spring or an elastic cardboard.

[0013] As a preferred embodiment of this invention, the inner diameter of the receiving groove is larger than the outer diameter of the launching tube, and the bottom of the launching tube is hinged to the inner wall of the bottom of the receiving groove via a hinge seat.

[0014] The beneficial effects of this utility model are as follows: This utility model is a fireworks display device. The upper and lower base plates and the support members form a stable frame structure. The limiting holes on the upper base plate and the receiving grooves on the lower base plate together provide radial constraint on the launch tube, effectively preventing the launch tube from tilting or shaking during ignition, ensuring the accurate launch trajectory of the fireworks, and thus guaranteeing the clarity and non-deformation of the aerial pattern.

[0015] The upper and lower substrates are connected by a support member, which includes a support rod and a limiting block. The limiting block supports the upper substrate by threading with the support rod, enabling convenient assembly and disassembly of the upper and lower substrates and the launching tube.

[0016] By adjusting the support components, the distance between the upper and lower substrates can be changed, thereby altering the tilt angle of the launch tube and scaling the size of the projected pattern, enhancing the versatility and flexibility of the device. Attached Figure Description

[0017] The present invention will now be described in further detail with reference to the accompanying drawings and specific implementation methods.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0019] Figure 2 This is a top view of the structure of this utility model.

[0020] Figure 3 This is a cross-sectional schematic diagram of the first embodiment of the receiving groove of this utility model.

[0021] Figure 4 This is a cross-sectional schematic diagram of the second embodiment of the receiving groove of this utility model.

[0022] Figure 5 This is a cross-sectional schematic diagram of the third embodiment of the receiving groove of this utility model.

[0023] Figure 6 This is a cross-sectional schematic diagram of the fourth embodiment of the receiving groove of this utility model. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the present utility model and are not intended to limit the present utility model; that is, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The components of the embodiments of the present utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0026] The following is combined Figure 1-6This invention describes a fireworks display device comprising an upper substrate 1 and a lower substrate 2 stacked together, and a support member 3 connecting the upper substrate 1 and the lower substrate 2. The lower substrate 2 has multiple receiving slots 21 for mounting launch tubes, which are arranged to form projection modules. The projection modules can form Chinese characters, numbers, letters, or graphics. The upper substrate 1 has limiting holes 11 corresponding to the receiving slots 21, which allow the launch tubes to pass through. The upper substrate 1, lower substrate 2, and support member 3 are assembled to form a frame structure, providing mounting for the fireworks launch tubes. The lower substrate 2 serves as the base of the device, with receiving slots 21 for accommodating and fixing the launch tubes. The multiple receiving slots 21 can be arranged in a matrix or specific shape according to a preset pattern to form projection modules. The projection modules can be Chinese characters, numbers, letters, or graphics, realizing… Customizable patterns for launching fireworks; the upper substrate 1 is located above the lower substrate 2 and is connected to the lower substrate 2 by a support member 3 to form a certain distance. The limiting hole 11 on the upper substrate 1 corresponds to the receiving groove 21 on the lower substrate 2, and is used to install one launching tube respectively. The upper part of the launching tube passes through the limiting hole 11, and the limiting hole 11 radially constrains the upper middle part of the launching tube to prevent the launching tube from tilting, shaking or jumping off due to impact force during ignition and launch, thus ensuring the launch trajectory of the firework shell and ensuring the clarity, accuracy and non-deformation of the pattern in the air; the support member 3 connects the upper and lower substrates 2 and is used to limit the installation distance between the upper substrate 1 and the lower substrate 2. Different distances correspond to the size of the projection display; through the upper and lower substrates 2 and the support member 3 connecting the two, the launching tube can be quickly assembled on site, and the firework shells in the launching tube can be conveniently filled. At the same time, a reliable decorative firework display effect can be achieved.

[0027] Please refer to Figures 1-2 As shown, the projection module forms multiple projection zones along the length of the upper substrate 1. These projection zones can project simultaneously or at intervals. Each projection zone includes a set of receiving slots 21 and its corresponding launch tube. By controlling the path and timing of the ignition fuses, independent control of different zones can be achieved. Simultaneous and interval projection are possible between multiple zones. In simultaneous projection, the fuses of all launch tubes in all projection zones are ignited simultaneously, allowing the entire pattern to be displayed instantly and completely in the air. In interval projection, the fuses of each projection zone are ignited sequentially according to a preset order. For example, dynamic display effects such as writing text stroke by stroke, numbers appearing one by one, and so on can be achieved, enriching the artistic expression and narrative of the fireworks display and upgrading it from a static pattern to a dynamic display.

[0028] In one embodiment of the pattern of the projected partitions, please refer to Figures 1-2As shown, the projection module is clearly divided into three sections by the projection partition pattern, corresponding to the numbers "5", "2" and "0" respectively. During the firing, the three numbers can be lit up in the night sky in sequence by continuous interval projection, forming a dynamic effect of "5", "2" and "0". Alternatively, the three numbers can be lit up and projected simultaneously by changing the ignition sequence of the projection partitions. In this embodiment, the launch tube angle range of the numbers "5", "2" and "0" is between 50° and 90°. In "520", the number of launch tubes for "5" is preferably 11-16, the number for "2" is preferably 10-16, and the number for "0" is preferably 12-18. The diameter of the launch tubes is the same for all of them.

[0029] Please refer to Figure 1 As shown, the support member 3 includes a support rod 31 with one end fixedly connected to the lower substrate 2 and the other end passing through the limiting hole 11. A limiting block 32 supporting the upper substrate 1 is installed on the support rod 31. The support rod 31 has threads, and the limiting block 32 is threadedly engaged with the support rod 31. The connection between the support rod 31 and the lower substrate 2 can be a threaded connection or a welding fixation. In this embodiment, the threaded connection is preferred to improve the ease of disassembly of the ignition device. The limiting block 32, through its threaded engagement with the support rod 31, allows the height of the upper substrate 1 relative to the lower substrate 2 to be adjusted by adjusting the height of the limiting block 32. After connection, the upper end face of the limiting block 32 provides support for the upper substrate 1. In addition, the limiting block 32 can also be a limiting nut. Through the threaded engagement on the support rod 31, the upper substrate 1 can be installed and connected on the support rod 31. By installing a limiting nut on the upper and lower end faces of the upper substrate 1 and the lower substrate 2 respectively, the stability of the connection of the upper substrate 1 can be improved, and jumping or movement can be avoided.

[0030] Please refer to Figure 1 As shown, the bottom or side wall of the receiving groove 21 is provided with a lead wire hole for the launch tube lead wire to pass through. The firework shell in the launch tube is connected with a lead wire, and the lead wire is led out of the receiving groove 21 through the lead wire hole. The end face of the lower base plate 2 is provided with a lead wire groove, which is connected to multiple lead wire holes in the projection zone. The lead wire groove is used to receive the main lead wire, which transmits the ignition source to multiple launch tubes.

[0031] In the first embodiment of the receiving slot 21, please refer to Figure 3 As shown, the transmitter tube is embedded in the receiving groove 21. The size of the transmitter tube is adapted to the size of the receiving groove 21, that is, the transmitter tube can be inserted and installed in the receiving groove 21, realizing convenient disassembly and assembly between the transmitter tube and the upper and lower substrates 2. In this embodiment, the installation angle of the transmitter tube is not adjustable, that is, the size of the projected display pattern projected by the transmitter module is a fixed value.

[0032] In the following embodiments, when the height of the fireworks launched from the launch tube is the same, the more tilted the launch tube is, the larger the projected display pattern will be. In this device, the installation angle of the launch tube can be adjusted by changing the distance between the upper substrate 1 and the lower substrate 2, so as to realize the scaling of the size of the projected display pattern projected by the launch module.

[0033] In a second embodiment of the receiving slot 21, please refer to Figure 4 As shown, the bottom inner diameter of the receiving groove 21 matches the diameter of the launching tube, and the top inner diameter of the receiving groove 21 is larger than the bottom diameter of the receiving groove 21. The inner diameter of the top of the receiving groove 21 is larger than the inner diameter of the bottom of the receiving groove 21. That is, the receiving groove 21 adopts a conical design, and the bottom diameter matches the launching tube to ensure that the bottom of the launching tube is reliably positioned. The larger diameter at the top forms a guide opening. When the distance between the upper and lower substrates 2 is adjusted, the installation angle of the launching tube changes. The guide opening can make way for the change of this tilt angle, so that the launching tube can still achieve adaptive adjustment of the tilt angle when the size of the pattern in the projection unit changes, meeting the convenient adjustment needs of different pattern projection sizes.

[0034] For a third embodiment of the receiving groove 21, please refer to Figure 5 As shown, the inner diameter of the receiving groove 21 is larger than the outer diameter of the launching tube. The inner sidewall of the receiving groove 21 is provided with an elastic element 211. One end of the elastic element 211 is connected to the inner sidewall of the receiving groove 21, and the other end is connected to the outer sidewall of the launching tube. The elastic element 211 is used to limit the tilt angle of the launching tube in the receiving groove 21. The elastic element 211 is used to provide a thrust to the launching tube with a tilt angle at all times to avoid shaking in the receiving groove 21. When the height of the launching tube changes between the upper substrate 1 and the lower substrate 2, the elastic element 211 can ensure the adaptive angle change of the launching tube.

[0035] Please refer to Figure 5 As shown, the elastic element 211 is a limiting spring or an elastic cardboard. The elastic cardboard is a high-temperature resistant and flame-retardant elastic material. The elastic element 211 can also be a metal spring or a specific high-temperature rubber, etc.

[0036] For a fourth embodiment of the receiving groove 21, please refer to Figure 6 As shown, the inner diameter of the receiving groove 21 is larger than the outer diameter of the launching tube. The bottom of the launching tube is hinged to the inner wall of the bottom of the receiving groove 21. The upper end of the launching tube is limited by the limiting hole 11. By setting the inner diameter of the receiving groove 21 to be larger than the outer diameter of the launching tube, and hinge the bottom of the launching tube to the receiving groove 21 through the hinge seat, the launching tube can be adaptively tilted when the height between the upper and lower substrates 2 changes, thereby realizing the scaling of the size of the projected pattern.

[0037] Working principle of this utility model: The operator sequentially installs the lower ends of multiple launch tubes into the respective receiving slots 21 of the lower base plate 2, and passes the upper part of the launch tubes through the corresponding limiting holes 11 on the upper base plate 1. After the support rod 31 is fixed to the lower base plate 2 and passes through the upper base plate 1, the upper base plate 1 can be supported at a predetermined height by screwing on the limiting block 32 on the support rod 31, thereby determining the final distance between the upper and lower base plates 2. During this process, the limiting holes 11 of the upper base plate 1 and the receiving slots 21 of the lower base plate 2 together constitute radial constraints on the upper and lower points of each launch tube, effectively resisting the instantaneous impact force generated when the fireworks are launched, preventing the launch tubes from tilting, shaking, or even jumping off, and fundamentally ensuring that each fireworks can be launched along the preset axial direction.

[0038] When the pattern size needs to be adjusted, simply loosen and readjust the position of the limiting block 32 on the support rod 31 to change the spacing between the upper and lower substrates 2. When the spacing increases, the upper end of the launch tube tilts outward under the guidance of the limiting hole 11, and the angle between its axis and the vertical direction increases, so that the explosion point of the firework in the air is distributed over a larger projection range, and the pattern is enlarged accordingly; conversely, when the spacing decreases, the launch tube tends to be vertical, the angle decreases, the explosion point distribution is more concentrated, and the pattern shrinks.

[0039] To achieve the adjustment function of real-time scaling of the pattern, the receiving groove 21 is designed with various implementation methods such as conical, with elastic element 211 or hinge. Their common purpose is to provide the necessary space for movement or constraint for the swing of the upper end while ensuring the bottom of the launching tube is positioned, so as to ensure that the angle adjustment process is smooth and can remain stable in any position.

[0040] During the launch, the projection module is pre-divided into multiple independent projection zones. The leads of all launch tubes within each zone are led out through lead holes at the bottom of the receiving slot 21 and converge into lead grooves on the surface of the lower substrate 2, forming the zone's main lead. By pre-setting different lead paths and ignition sequences: if the main leads of all zones are ignited simultaneously, all launch tubes will launch almost synchronously, and the entire preset pattern will be instantly and completely presented in the night sky; if the main leads of each zone are controlled to ignite sequentially in a preset order using a delayed ignition device or physical lead length differences, a dynamic display effect can be achieved. For example, igniting the three zones representing "5", "2", and "0" sequentially enhances the narrative and artistic appeal of the fireworks display.

[0041] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0042] The above description is merely an example and illustration of the structure of this utility model. Those skilled in the art can make various modifications or additions to the specific embodiments described or use similar methods to replace them, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims of this application, they should all fall within the protection scope of this utility model.

Claims

1. A fireworks display device, characterized in that: The system includes an upper substrate (1) and a lower substrate (2) stacked together, and a support member (3) connecting the upper substrate (1) and the lower substrate (2); the lower substrate (2) is provided with a plurality of receiving slots (21) for mounting the launch tube, and the plurality of receiving slots (21) are arranged to form a projection module, the projection module forming Chinese characters, numbers, letters or graphics; the upper substrate (1) is provided with limiting holes (11) corresponding to the receiving slots (21), the limiting holes (11) are used for the launch tube to pass through.

2. The fireworks display device according to claim 1, characterized in that: The projection module forms multiple projection zones along the length of the upper substrate (1), and the multiple projection zones project simultaneously or continuously at intervals.

3. The fireworks display device according to claim 2, characterized in that: The projection partitions sequentially form the numbers "5, 2, 0".

4. A fireworks display device according to claim 1, characterized in that: The support member (3) includes a support rod (31) with one end fixedly connected to the lower substrate (2) and the other end passing through the limiting hole (11). A limiting block (32) supporting the upper substrate (1) is installed on the support rod (31). The support rod (31) has a thread, and the limiting block (32) is threadedly engaged with the support rod (31).

5. A fireworks display device according to claim 1, characterized in that: The bottom or side wall of the receiving groove (21) is provided with a lead hole for the lead wire of the launching tube to pass through, and the end face of the lower substrate (2) is provided with a lead groove, which is connected to a plurality of lead holes in the projection zone.

6. A fireworks display device according to claim 2, characterized in that: The launch tube is embedded in the receiving groove (21).

7. A fireworks display device according to claim 2, characterized in that: The bottom inner diameter of the receiving groove (21) matches the diameter of the launching tube, and the top inner diameter of the receiving groove (21) is larger than the bottom diameter of the receiving groove (21).

8. A fireworks display device according to claim 2, characterized in that: The inner diameter of the receiving groove (21) is larger than the outer diameter of the launching tube. The inner sidewall of the receiving groove (21) is provided with an elastic element (211). One end of the elastic element (211) is connected to the inner sidewall of the receiving groove (21), and the other end is connected to the outer sidewall of the launching tube. The elastic element (211) is used to limit the tilt angle of the launching tube in the receiving groove (21).

9. A fireworks display device according to claim 8, characterized in that: The elastic element (211) is a limiting spring or an elastic cardboard.

10. A fireworks display device according to claim 2, characterized in that: The inner diameter of the receiving groove (21) is larger than the outer diameter of the launching tube, and the bottom of the launching tube is connected to the inner wall of the bottom of the receiving groove (21) through a hinge seat.

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