Firework cylinder fixing device for combined fireworks

Abstract

The utility model belongs to the technical field of fixing of combined fireworks, and discloses a firework cylinder fixing device for combined fireworks, which comprises a base frame made of honeycomb ceramic fiber composite materials, and the surface of the base frame is coated with a fireproof coating. The quick-mounting structure comprises an adapter sleeve which is detachably mounted on the base frame, the adapter sleeve comprises three elastic clamping jaws which are mounted at the bottom and are distributed at an angle of 120 degrees, and memory alloy springs are integrally mounted at the clamping jaw roots of the elastic clamping jaws; and the supporting legs are detachably installed at the bottom of the base frame, a plurality of installation holes are formed in the top of the base frame, the installation holes are matched with the adapter sleeves, and the adapter sleeves are detachably installed on the base frame through the installation holes, the elastic clamping jaws and the memory alloy springs. According to the utility model, the fireproof and anti-deformation effects can be realized, the safety is improved, the single cylinder can be quickly disassembled and assembled, and the operation is simple and quick.

Description

Technical Field

[0001] This utility model relates to the field of fixing technology for combination fireworks, and in particular to a fixing device for a fireworks tube used in combination fireworks. Background Technology

[0002] A combination fireworks tube fixing device is a special structure used to fix multiple fireworks tubes. Its core function is to ensure that the fireworks tubes remain stable and orderly during the firing process, thereby avoiding firing failure or safety hazards caused by tipping or displacement.

[0003] Traditional firework tube fixing methods mostly use binding or simple plug-in structures, which have the following drawbacks:

[0004] 1) Bamboo and wood frames are flammable and pose a safety hazard;

[0005] 2) The assembly efficiency is low and it is impossible to quickly replace damaged single tubes. Therefore, we propose a firework tube fixing device for combined fireworks. Utility Model Content

[0006] In view of the problems of existing firework tube fixing devices, such as the flammability of bamboo and wood frames, safety hazards, low assembly efficiency, and inability to quickly replace damaged tubes, this utility model is proposed.

[0007] Therefore, the purpose of this utility model is to provide a fixing device for a combination fireworks tube, which aims to: by setting a ceramic fiber composite material frame and a quick-installation structure, not only can it be fireproof and deformation-proof, but it can also quickly disassemble and assemble a single tube.

[0008] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0009] A firework tube fixing device for combined fireworks includes a base frame, the base frame being made of honeycomb ceramic fiber composite material, and the surface of the base frame being coated with a fireproof coating.

[0010] The quick-installation structure includes an adapter sleeve that is detachably installed on the base frame. The adapter sleeve includes three elastic claws that are distributed at 120° on the bottom. A memory alloy spring is integrated at the root of the elastic claw.

[0011] A plurality of support legs are detachably mounted on the bottom of the base frame.

[0012] As a technical solution of the combined fireworks tube fixing device of this utility model, the top of the base frame is provided with a plurality of mounting holes corresponding to the outer surface of the adapter sleeve, and the mounting holes are adapted to the adapter sleeve. The adapter sleeve is detachably mounted on the base frame through the mounting holes, the elastic claws and the memory alloy spring.

[0013] As a technical solution of the combined fireworks tube fixing device of this utility model, a plurality of mounting holes are equidistantly arranged along the circumferential / axial direction of the base frame, and the inner cavity wall of the plurality of mounting holes is provided with an observation window for observation.

[0014] As a technical solution of the combined fireworks tube fixing device of this utility model, wherein: the root of the elastic claw has a contact surface, and when in the assembled state, the contact surface contacts the bottom wall of the inner cavity of the mounting hole.

[0015] As a technical solution of the combined fireworks tube fixing device of this utility model, the elastic claw has a plurality of anti-slip textures on the side where the claw root contacts the side wall of the mounting hole, and the plurality of anti-slip textures are equidistantly arranged along the length direction of the elastic claw. When in the assembly state, the anti-slip textures are in contact with the inner wall of the mounting hole.

[0016] As a technical solution of the combination fireworks tube fixing device of the present utility model, the inner cavity wall of the adapter sleeve is adapted to the outer surface of the single-tube fireworks, and the inner cavity wall of the adapter sleeve is provided with a spiral guide groove for reducing trajectory deviation.

[0017] As a technical solution of the combined fireworks tube fixing device of this utility model, the fireproof coating is a composite coating containing nano-silica, with a thickness of 0.5-1.2mm and a fire resistance limit of ≥120min.

[0018] As a technical solution of the combined fireworks tube fixing device of the present utility model, the bottom of the base frame is provided with a plurality of threaded holes, and the plurality of threaded holes are equidistantly arranged along the circumferential / axial direction of the base frame.

[0019] One end of the support leg is provided with an external thread that matches the threaded hole, and the external thread corresponds to the threaded hole. The support leg can be detachably installed on the base frame through the external thread and the threaded hole.

[0020] Compared with the prior art, the present invention has at least the following beneficial effects:

[0021] 1. This utility model uses a base frame made of honeycomb ceramic fiber composite material and coats its surface with a composite fireproof coating containing nano-silica to facilitate fire prevention and deformation prevention, while improving its safety in use.

[0022] 2. In this utility model, the support leg is assembled onto the base frame. At this time, the spiral support leg drives the external thread to move along the inner cavity of the threaded hole until the support leg is fully assembled onto the base frame. Then, the adapter sleeve with the firework tube is assembled onto the base frame. At this time, the adapter sleeve is fitted into the mounting hole, the elastic claw is engaged in the mounting hole, and the contact surface is in contact with the bottom wall of the inner cavity of the mounting hole, and the anti-slip texture is in contact with the inner wall of the mounting hole, until the adapter sleeve with the firework tube is fully assembled. During this period, the installation status of the adapter sleeve can be observed through the observation window. If disassembly is required, the above steps can be reversed, which facilitates quick assembly and disassembly of the firework tube and is simple and quick to operate. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0024] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model.

[0025] Figure 2 This is a schematic diagram of the main structure of the base frame, quick-assembly structure, and support leg separation of this utility model.

[0026] Figure 3 This is a schematic diagram of the base frame, quick-assembly structure, and support leg separation structure of this utility model from a bottom view.

[0027] Figure 4 For the present utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0028] Explanation of reference numerals in the attached figures:

[0029] In the diagram: 1. Base frame; 101. Fireproof coating; 102. Mounting hole; 103. Observation window; 104. Threaded hole; 2. Adapter sleeve; 201. Spiral guide groove; 3. Elastic claw; 301. Contact surface; 302. Anti-slip texture; 4. Memory alloy spring; 5. Support leg; 501. External thread. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0032] Meanwhile, the meaning of "and / or" or "and / or" appearing throughout the text is that it includes three options. Taking "A and / or B" as an example, it includes option A, option B, or an option that satisfies both A and B.

[0033] Furthermore, in this utility model, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0034] Reference Figures 1-4 A fixing device for a combination fireworks tube is provided. The fixing device for a combination fireworks tube includes a base frame 1. The base frame 1 is made of honeycomb ceramic fiber composite material, and the surface of the base frame 1 is coated with a fireproof coating 101 to facilitate fire prevention and deformation prevention, and at the same time improve its safety in use.

[0035] The quick-installation structure includes an adapter sleeve 2 that is detachably installed on the base frame 1. The adapter sleeve 2 includes three elastic claws 3 that are distributed at 120° on the bottom. A memory alloy spring 4 is integrated at the base of the claws of the elastic claws 3 to facilitate quick assembly and disassembly of the firework tube, and the operation is simple and quick.

[0036] Several support legs 5 are detachably installed at the bottom of the base frame 1.

[0037] Reference Figure 1 and Figure 2The top of the base frame 1 is provided with several mounting holes 102 that correspond to the outer surface of the adapter sleeve 2, and the mounting holes 102 are adapted to the adapter sleeve 2. The adapter sleeve 2 can be detachably mounted on the base frame 1 through the mounting holes 102, the elastic claws 3 and the memory alloy springs 4, so that the adapter sleeve 2 can be detachably mounted on the base frame 1.

[0038] Reference Figures 1-3 A number of mounting holes 102 are equidistantly arranged along the circumferential / axial direction of the base frame 1, and the inner wall of each of the mounting holes 102 is provided with an observation window 103 for observation, so as to observe whether the adapter sleeve 2 is installed in place.

[0039] Reference Figure 1 , Figure 3 as well as Figure 4 The elastic claw 3 has a contact surface 301 at the root of the claw, and when it is in the assembled state, the contact surface 301 contacts the bottom wall of the inner cavity of the mounting hole 102 so that the elastic claw 3 can be engaged in the mounting hole 102.

[0040] Reference Figure 1 , Figure 3 as well as Figure 4 The elastic claw 3 has several anti-slip patterns 302 on the side where the claw root contacts the side wall of the mounting hole 102. The anti-slip patterns 302 are equidistantly arranged along the length of the elastic claw 3. When in the assembly state, the anti-slip patterns 302 contact the inner wall of the mounting hole 102 so that the elastic claw 3 can be engaged in the mounting hole 102.

[0041] Reference Figure 1 and Figure 2 The fireproof coating 101 is a composite coating containing nano-silica with a thickness of 0.5-1.2mm and a fire resistance limit of ≥120min, which facilitates fire prevention and improves its safety.

[0042] Reference Figure 1 and Figure 2 The inner wall of the adapter sleeve 2 is adapted to the outer surface of the single-tube firework, and the inner wall of the adapter sleeve 2 is provided with a spiral guide groove 201 to reduce trajectory deviation. In application, the spiral guide groove 201 can improve the symmetry of the gas flow field to reduce trajectory deviation.

[0043] Reference Figure 1 and Figure 3 The bottom of the base frame 1 is provided with a number of threaded holes 104, and the number of threaded holes 104 are equidistantly arranged along the circumferential / axial direction of the base frame 1.

[0044] One end of the support leg 5 is provided with an external thread 501 that is adapted to the threaded hole 104, and the external thread 501 and the threaded hole 104 are respectively corresponding. The support leg 5 can be detachably installed on the base frame 1 through the external thread 501 and the threaded hole 104, so as to facilitate the disassembly and installation of the support leg 5 according to actual needs.

[0045] The working principle of this utility model is as follows: By assembling the support leg 5 onto the base frame 1, the spiral support leg 5 drives the external thread 501 to move along the inner cavity of the threaded hole 104 until the support leg 5 is completely assembled onto the base frame 1. Then, the adapter sleeve 2 with the firework tube is assembled onto the base frame 1. At this time, the adapter sleeve 2 is sleeved in the mounting hole 102, the elastic claw 3 is engaged in the mounting hole 102, and the contact surface 301 contacts the bottom wall of the inner cavity of the mounting hole 102, and the anti-slip texture 302 contacts the inner wall of the mounting hole 102, until the adapter sleeve 2 with the firework tube is completely assembled. During this period, the adapter sleeve 2 can be observed through the observation window 103 to see if it is installed in place. If disassembly is required, the above steps can be reversed, which facilitates quick assembly and disassembly of the firework tube and makes the operation simple and quick.

[0046] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A combination firework tube fixing device for a firework, characterized in that: The utility model relates to a single-cylinder firework base frame and quick mounting structure thereof, and belongs to the field of fireworks. The utility model discloses a single-cylinder firework base frame and quick mounting structure thereof, which comprises a base frame (1) made of honeycomb ceramic fiber composite material, and the surface of the base frame (1) is coated with a fireproof coating (101). The quick mounting structure comprises an adapter sleeve (2) detachably mounted on the base frame (1), wherein the adapter sleeve (2) comprises three elastic clamping claws (3) mounted at the bottom and distributed at an angle of 120°, and a memory alloy spring (4) is integratedly mounted at the claw root of each elastic clamping claw (3). A plurality of supporting legs (5) are detachably mounted at the bottom of the base frame (1).

2. The combination firework tube fixing device according to claim 1, characterized in that: A plurality of mounting holes (102) corresponding to the outer surface of the adapter sleeve (2) are formed at the top of the base frame (1), and the mounting holes (102) are matched with the adapter sleeve (2), so that the adapter sleeve (2) is detachably mounted on the base frame (1) through the mounting holes (102), the elastic clamping claws (3) and the memory alloy springs (4).

3. The combination firework tube fixing device according to claim 2, characterized in that: The mounting holes (102) are equidistantly arranged along the circumference / axis of the base frame (1), and the inner cavity walls of the mounting holes (102) are each provided with an observation window (103) for observation.

4. The combination firework tube fixing device according to claim 2, characterized in that: The claw root of the elastic clamping claw (3) has a contact surface (301), and the contact surface (301) is in contact with the inner cavity bottom wall of the mounting hole (102) when the elastic clamping claw (3) is assembled.

5. The combination firework tube fixing device according to claim 4, characterized in that: A plurality of anti-skid lines (302) are formed on the side of the claw root of the elastic clamping claw (3) in contact with the side wall of the mounting hole (102), and the anti-skid lines (302) are equidistantly arranged along the length direction of the elastic clamping claw (3), and the anti-skid lines (302) are in contact with the inner cavity wall of the mounting hole (102) when the elastic clamping claw (3) is assembled.

6. The combination firework tube fixing device according to claim 1, characterized in that: The fireproof coating (101) is a composite coating containing nano-silicon dioxide, with a thickness of 0.5-1.2 mm and a fire resistance limit of greater than or equal to 120 min.

7. The combination firework tube fixing device according to claim 1, characterized in that: The inner cavity wall of the adapter sleeve (2) is matched with the outer surface of a single-cylinder firework, and the inner cavity wall of the adapter sleeve (2) is provided with a spiral flow guide groove (201) for reducing trajectory deviation.

8. The combination firework tube fixing device according to claim 1, characterized in that: A plurality of threaded holes (104) are formed at the bottom of the base frame (1), and the threaded holes (104) are equidistantly arranged along the circumference / axis of the base frame (1). One end of the supporting leg (5) is provided with an external thread (501) matched with the threaded hole (104), and the external thread (501) corresponds to the threaded hole (104), so that the supporting leg (5) is detachably mounted on the base frame (1) through the external thread (501) and the threaded hole (104).

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