Improved firework setting-off structure with tree-shaped structure

Abstract

The utility model discloses an improved firework setting-off structure with a tree-shaped structure, which comprises a support base component, a firework effect body, a series lead and an ignition lead, and further comprises a connecting component arranged on the support base component and a central main support trunk connected to the connecting component, an angle limiting device I, an angle limiting device II and an angle limiting device III are respectively arranged on segment nodes with different heights on the central main support trunk, and different inclined angles are symmetrically constructed on two sides of an open inner cavity of each angle limiting device; each inclined angle inner cavity is connected with a branch or a short section branch with a smoke and fire effect connecting sleeve through a rotating shaft, the upper end of each branch or short section branch is connected with a smoke and fire effect body, and the explosive burning ends of the N smoke and fire effect bodies are connected in series through series leads to form a tree-shaped structure which is in an unfolded shape and can be folded. The utility model has the advantages of novel modeling design, detachable folding, convenient and fast assembly, safety, reliability and the like.

Description

Technical Field

[0001] The utility model relates to a foldable improved fireworks display structure with a tree-shaped structure, belonging to the technical field of fireworks display equipment. Background Art

[0002] With the advancement of science and technology and people's constant pursuit of safety and speed, the design of fireworks devices is also constantly innovating. The inventors have proposed a new type of fireworks device, which aims to solve many problems existing in the production, assembly, assembly and use of existing fireworks devices. The development of the proposed tree-shaped foldable structure fireworks device represents an innovative design concept. It not only can show new firing effect changes, but also can be used to set off fireworks in different environments and terrains, and show the excellent viewing and visual perception of the new concept. This multifunctional fireworks device will change the existing fireworks market landscape. Utility Model Content

[0003] The purpose of the utility model is to provide an improved fireworks firing structure which can be deformed to expand the firing space and can be folded to increase the utilization rate of packaging and storage space, has a long firing time, good safety, beautiful appearance and a tree-like structure, so as to solve the shortcomings of the existing technology.

[0004] In view of the above-mentioned purpose, the present invention implements innovative design through the following technical optimization solutions.

[0005] A tree-shaped improved fireworks display structure includes a support base assembly, a pyrotechnic effect body and a series fuse. The special feature of the structure is that it also includes a detachable connecting member provided on the support base assembly, a central main support trunk vertically connected to the upper portion of the connecting member, and angle limit devices I, angle limit devices II and angle limit devices III are provided on the central main support trunk at segment nodes of different heights and distances. The open inner cavity of each angle limit device is symmetrically constructed with inclination angles of different sizes on the left and right sides. Within each different inclination angle, a branch trunk or a short branch trunk is movably connected by the rotating shafts on both sides. The upper end of each branch trunk or short branch trunk is connected to a pyrotechnic effect body connection kit. N pyrotechnic effect bodies are respectively mounted on the pyrotechnic effect body connection kit and connected obliquely above. The series fuse connects the fuel ends of the N pyrotechnic effect bodies in series to form an integrated unfolded tree structure that can be folded and collapsed according to packaging requirements.

[0006] Furthermore, in the above-mentioned preferred technical solution, the angle limit device of the first segment is larger than the angle limit device of the second segment, the inclination angle of the angle limit device I is larger than the inclination angle of the angle limit device II, the inclination angle of the angle limit device II is larger than the inclination angle of the angle limit device III, or angle limit devices of N different height segment nodes are set upward in accordance with the different heights of the central main supporting trunk.

[0007] Furthermore, in one preferred technical solution, an ignition fuse is connected to the junction of the series fuse and the propellant tip at the top of the pyrotechnic effect body connected above the central main support trunk. The support base assembly comprises a retractable and collapsible support structure comprising brackets A and B movably connected via a central axis to form a cross-shaped structure. The support base assembly is integrally connected to the central main support trunk via a threaded connector that cooperates with the connecting member.

[0008] Furthermore, in one of the above preferred technical solutions, the support base assembly is an openable and foldable support structure in the form of a cross frame, in which a bracket A and a bracket B are movably connected via a central axis.

[0009] Furthermore, in one of the above preferred technical solutions, the support base assembly and the central main supporting trunk are connected in a detachable manner through a threaded connector that cooperates with the connecting member.

[0010] Furthermore, in the above-mentioned preferred technical solution, the pyrotechnic effect body is a firework effect body of the incense stick type, or a cold light jet type, or a bead type, or a smoke type of various colors.

[0011] Furthermore, in the above-mentioned preferred technical solution, the cross-sectional shape of the angle limiting device I, the angle limiting device II and the angle limiting device III is a lower conical structure or a lower triangular structure.

[0012] Furthermore, in the above-mentioned preferred technical solution, the tree-shaped structure in the expanded state can gather and fold N of the branches or short-section branches into a petal-shaped structure and package and box them for storage during packaging. The function of the folded product is to reduce the capacity space occupied by the packaging box and increase the number of product packaging boxes.

[0013] Beneficial effects

[0014] The advantages and beneficial effects of the utility model are:

[0015] 1. The technical implementation scheme of the present utility model has a novel innovative design, a simple assembly and styling structure, is convenient and quick to display, fold and collapse, has a small size, occupies little space for packaging and transportation, is convenient to assemble and ignite, and can be inserted into a support for ignition or threadedly connected for fixed support for ignition; since the embodiment of the present utility model has a small size after folding, the space utilization rate of the packaging is increased, so that more new shaped fireworks products can be loaded, thereby improving the economic benefits of the enterprise.

[0016] 2. Due to the adoption of the technical solution of the present invention, the connection angle limiting device is set at different heights as a section on the central main supporting trunk, and an angle limiting device is installed at a node with different heights from the lower part to the upper part of the central main supporting trunk. This imitates the shape of a real tree in nature. The angle limiting device is set to facilitate the use of a movable rotating shaft structure on both sides of the opening of the angle limiting device to the inner side, so that the branch trunk or short branch trunk with a pyrotechnic effect body connecting component at the end can be used as a horizontal branch trunk growing out of the main trunk of a real tree. In order to reduce the volume occupied by each tree-shaped fireworks product during packaging, each angle limiting device installed from bottom to top is configured as an inverted ladder structure, and the inclination angle and the lateral width of the inclination angle on both sides of each angle limiting device are not Similarly, according to the arrangement sequence of the nodes, the inclination angles of both sides of the angle limiting device on the first node at the bottom are greater than the inclination angle of the angle limiting device on the second node, the inclination angles of both sides of the angle limiting device on the second node are greater than the inclination angle of the angle limiting device on the third node, and so on to the inclination angles of the multiple angle limiting devices set on the upper trunk; when the multiple angle limiting devices after the entire main supporting trunk is installed and formed are in the shape of a trapezoidal step hierarchy, and after being folded together, each firework effect body is close to the inclined angle edge of an angle limiting device above, so that multiple long branches or short branches can be folded together to form a very compact whole like a disassembled fan, ensuring an increase in the capacity of packed and transported fireworks products, greatly reducing packaging and transportation costs, and when the fireworks are set off, people watching can see the feeling of trees as if they were in nature.

[0017] 3. Because the pyrotechnic effect bodies on each branch are connected in series with a safe and quick-ignition device, and a combustible point at the center is ignited, the pyrotechnic effect bodies with the same amount of powder on each branch are instantly ignited, so that the effect of the same firing time is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The following drawings will further provide an understanding of the technical solution of the present invention, which constitutes a part of the present invention. The embodiments and descriptions of the present invention are used to further explain the present invention, but do not constitute an improper limitation of the present invention. As shown in the drawings:

[0019] Figure 1 This is a main view of the expanded structure of a preferred embodiment of the utility model.

[0020] Figure 2 This is a view of a tree-like folding structure in a preferred embodiment of the present invention.

[0021] Figure 3 This is a view of an implementation method of a branch trunk unit in a preferred embodiment of the present invention as a short-section branch trunk.

[0022] Description of the accompanying drawings: Figure 1-Figure 3 Among them, 1-support base assembly, 101-bracket A, 102-bracket B, 103-center axis, 2-connecting member, 3-angle limit device I, 4-center main support trunk, 5-branch trunk, 6-firework effect body connection kit, 7-firework effect body, 8-series fuse, 9-ignition fuse, 10-rotating axis, 11-angle limit device II, 12-angle limit device III, 13-threaded connector, 14-short branch trunk. DETAILED DESCRIPTION

[0023] It should be noted that in order to thoroughly understand the present utility model application, a large number of specific details are presented in the following description. It is obvious to those skilled in the art that the present utility model can be implemented without adopting some or all of these specific details. It should be understood that the present utility model application describes only some embodiments of the present utility model, not all embodiments. Based on a preferred embodiment of the present utility model application, those known operations are not described in detail without making the present utility model difficult to understand. Therefore, all other different embodiments obtained by ordinary technicians in this field without doing creative work should fall within the scope of protection of the present utility model application.

[0024] like Figure 1-Figure 3 As shown, its structure comprises a support base assembly 1, a bracket A101, a bracket B102, a central axis 103, a connecting member 2, an angle limit device I3, a central main supporting trunk 4, a branch trunk 5, a pyrotechnic effect body connection kit 6, a pyrotechnic effect body 7, a series lead 8, an ignition lead 9, a rotating shaft 10, an angle limit device II11, an angle limit device III12, a threaded connector 13, a short section branch trunk 14 and other components / parts and components combined to form an assembly shape structure.

[0025] Example

[0026] The structural features of the specific embodiment are:

[0027] Figure 1-Figure 3A preferred embodiment of the present invention is shown in FIG. In this embodiment, it should be noted that the angle limiting devices I3, II11, and III12 described in the present invention are distinguished by the Roman numerals I, II, and III used to distinguish components of the same purpose due to different sizes and outward inclination angles. In practice, the number of angle limiting devices is determined by the height of the central main support trunk and the density of the branches or short-segment branches in the present invention, which determines the number of segments and the number of segment angle limiting devices installed. The pyrotechnic effect bodies used in the present invention are incense stick fireworks, cold light sprays, jets, various colored smoke, or bead-like fireworks effects known in the prior art. The central main support trunk, branches, and short-segment branches are hollow tubular structures made of plastic material. The series fuse and ignition fuse described herein are both molded products known in the prior art, with the series fuse being a safe and quick-acting structure.

[0028] Specifically, in a preferred embodiment, as shown in the figure, its structural features are: including a support base assembly 1, a pyrotechnic effect body 7 and a series fuse 8 and an ignition fuse 9, characterized in that: it also includes a connecting member 2 that is detachably connected to the support base assembly 1, a central main support trunk 4 vertically connected to the top of the connecting member, and angle limit devices I3, angle limit devices II11 and angle limit devices III12 are provided at segment nodes of different heights and distances on the central main support trunk, and the opening of each angle limit device is provided. The left and right sides of the inner cavity are symmetrically constructed with inclination angles of different sizes. Within each different inclination angle, a branch trunk 5 or a short branch trunk 14 is movably connected by the rotating shafts 10 on both sides. The upper end of each branch trunk or short branch trunk is connected to a pyrotechnic effect body connection kit 6. N pyrotechnic effect bodies 7 are respectively mounted on the oblique upper part of the pyrotechnic effect body connection kit and connected. The series lead 8 connects the fuel ends of the N pyrotechnic effect bodies in series to form an integrated unfolded tree structure that can be folded and collapsed according to packaging requirements.

[0029] Specifically, in a preferred embodiment, as shown in the figure, the inclination angle of the angle limit device I3 is greater than the inclination angle of the angle limit device II11, the inclination angle of the angle limit device II is greater than the inclination angle of the angle limit device III12, or angle limit devices with N different height segment nodes are set upward in accordance with the different heights of the central main supporting trunk 4.

[0030] Specifically, in a preferred embodiment, as shown in the figure, an ignition fuse 9 is further connected to the junction between the series fuse 8 and the fuel end of the top of the pyrotechnic effect body 7 connected to the central main supporting trunk 4.

[0031] Specifically, in a preferred embodiment, as shown in the figure, the support base assembly 1 is an openable and foldable support structure composed of a bracket A101 and a bracket B102 movably connected to form a cross-shaped structure through a central axis 103.

[0032] Specifically, in a preferred embodiment, as shown in the figure, the support base assembly 1 and the central main support trunk 4 are connected as one body through a threaded connector 13 and the connecting member 2.

[0033] Specifically, in a preferred embodiment, as shown in the figure, the pyrotechnic effect body 7 is a firework effect body of the incense stick type, or a cold light jet type, or a bead type, or a smoke type of various colors.

[0034] Specifically, in a preferred embodiment, as shown in the figure, the cross-sectional shape of the angle limiting device I3, the angle limiting device II11 and the angle limiting device III12 is a lower conical structure or a lower triangular structure.

[0035] In this preferred embodiment, as shown in the figure, since the connection angle limiting device is set at different heights as a section on the central main supporting trunk, and an angle limiting device is installed at a section node with different heights from the lower part to the upper part of the central main supporting trunk, this imitates the shape of a real tree in nature. The angle limiting device is set to pass through a movable rotating shaft structure on both sides of the opening of the angle limiting device to the inner side, so that the branch trunk or short branch trunk with a pyrotechnic effect body connecting component at the end can be used as a horizontal branch trunk growing out of the main trunk of a real tree. In order to reduce the volume occupied by each tree-shaped fireworks product during packaging, each angle limiting device installed from bottom to top is configured as an inverted ladder structure, and the inclination angle and the lateral width of the inclination angle on both sides of each angle limiting device are different. According to the arrangement sequence of the nodes, the inclination angles of the two sides of the angle limiting device on the first node at the bottom are greater than the inclination angle of the angle limiting device on the second node, the inclination angles of the two sides of the angle limiting device on the second node are greater than the inclination angle of the angle limiting device on the third node, and so on. The inclination angles of the multiple angle limiting devices arranged on the upper trunk are deduced; when the multiple angle limiting devices after the entire main supporting trunk is installed and formed are in the shape of a trapezoidal step hierarchy, after being folded together, each firework effect body is close to the inclined angle edge of an angle limiting device above, so that multiple long branches or short branches can be folded together like a fan and formed into a very compact whole, ensuring an increase in the capacity of the packed and transported fireworks products, greatly reducing the packaging and transportation costs, and when the fireworks are set off, people watching can see the feeling of trees as if they were in nature.

[0036] In this preferred embodiment, as shown in the figure, the pyrotechnic effect bodies on each branch are connected in series using a safe and quick-ignition device, and after a combustible point at the center is ignited, the pyrotechnic effect bodies with the same amount of powder on each branch are instantly ignited, so that the effect of the same firing time is achieved.

[0037] Although the present invention is described in conjunction with various preferred embodiments, it should be understood that various structural modifications and component changes may be made thereon without departing from the scope of the present invention as set forth in the claims. In other words, the above-described embodiments of the present invention are merely illustrative of the technical solutions of the present invention and should not be construed as limiting the present invention in any way. It should be understood by those skilled in the art that the present invention may have various well-known structural forms and / or material substitutions / alternatives, and that such substitutions should all be included within the scope of protection of the present invention without departing from the essential meaning of the present invention.

Claims

1. An improved structure for fireworks display with a tree-like structure, comprising a supporting base assembly (1), a pyrotechnic effect body (7), a series fuse (8), and an ignition fuse (9), characterized in that: The invention also includes a connecting member (2) detachably connected to the supporting base assembly (1), a central main supporting trunk (4) vertically connected to the connecting member, and angle limiting devices I (3), angle limiting devices II (11) and angle limiting devices III (12) are provided at segment nodes at different heights and distances on the central main supporting trunk. Different tilt angles are symmetrically constructed on the left and right sides of the open inner cavity of each angle limiting device. Within each different tilt angle, a branch trunk (5) or a short branch trunk (14) is movably connected by the rotating shafts (10) on both sides. The upper end of each branch trunk or short branch trunk is connected to a pyrotechnic effect body connection kit (6). N pyrotechnic effect bodies (7) are respectively mounted on the oblique upper side of the pyrotechnic effect body connection kit for connection. The series lead (8) connects the fuel ends of the N pyrotechnic effect bodies in series to form a tree-shaped structure that is unfolded and can be folded according to packaging requirements.

2. The improved structure for fireworks display with a tree-like structure according to claim 1, characterized in that: The inclination angle of the angle limiting device I (3) is greater than the inclination angle of the angle limiting device II (11), and the inclination angle of the angle limiting device II is greater than the inclination angle of the angle limiting device III (12), or angle limiting devices with nodes at different height segments are set upward in accordance with the different heights of the central main supporting trunk (4).

3. The improved fireworks display structure with a tree-shaped structure according to claim 1, characterized in that: An ignition fuse (9) is also connected to the junction of the series fuse (8) and the fuel end of the top of the pyrotechnic effect body (7) connected above the central main supporting trunk (4).

4. The improved structure for fireworks display with a tree-like structure according to claim 1, characterized in that: The support base assembly (1) is a support structure that can be opened and closed and folded, and is formed by movably connecting a bracket A (101) and a bracket B (102) via a central axis (103) to form a cross-shaped support structure.

5. The improved structure for fireworks display with a tree-shaped structure according to claim 1 or 4, characterized in that: The support base assembly (1) and the central main support trunk (4) are connected in a detachable manner via a threaded connector (13) that cooperates with the connecting member (2).

6. The improved structure for fireworks display with a tree-like structure according to claim 1 or 2, characterized in that: The cross-sectional shapes of the angle limiting device I (3), the angle limiting device II (11) and the angle limiting device III (12) are a lower conical structure or a lower triangular structure.

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