Electric igniter connection structure for firework setting-off

By designing an electric ignition head connection structure that includes components such as a junction box, bolt fixing holes, and a protective enclosure, the problems of unstable plug and socket fixing and dust accumulation are solved, achieving a safe and reliable plug fixing and protection effect.

CN223965965UActive Publication Date: 2026-03-03LIUYANG APPLE FIREWOKS ARTIST DISPLAY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

The existing electric ignition head connection structure has an unstable plug and socket, posing a safety hazard, and the lack of a protective structure leads to dust accumulation.

Method used

A structure including a junction box, bolt fixing holes, power interface, protective housing, electric ignition head device, fixing rod, fixing ring, snap-fit ​​block and fixing pin is designed. The plug and socket are stably fixed by the cooperation of spring and snap-fit ​​block, and the protective housing and sliding plate form a sealed space to prevent dust from entering.

Benefits of technology

It improves the stability of the plug and socket, eliminates safety hazards, effectively prevents dust accumulation, and enhances the safety and convenience of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an electric igniter connection structure for firework setting off, which comprises a junction box, a bolt fixing hole, a clamping block and a fixing pin, the junction box is symmetrically and fixedly connected with a fixing rod, the fixing rod is slidably connected with a fixing ring, the fixing ring is provided with a convex groove, the convex groove is fixedly connected with one end of a spring, and the other end of the spring is fixedly connected with the bolt fixing hole. The other end of the spring is fixedly connected to the clamping block; according to the utility model, the clamping block is shifted, the fixed circular ring is sleeved on the plug, the fixed rod passes through the through hole formed in the fixed circular ring, the clamping block is loosened, and the clamping block is clamped into the through hole formed in the fixed rod under the action of the spring to complete fixation, so that the plug and the socket are fixed, and potential safety hazards are eliminated; the protective box body is pushed to slide in the direction of the sliding groove, the rotating plate is rotated around the rotating shaft, the sliding plate is installed along the sliding groove, and the protective box body, the rotating plate and the sliding plate form a closed space to isolate dust and play a role in protection.
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Description

Technical Field

[0001] This utility model relates to the technical field of electric ignition head connection structure, and in particular to an electric ignition head connection structure for fireworks display. Background Technology

[0002] The electric ignition head connection structure, through its modular design, safety protection, and flexible expandability, solves the problems of low efficiency and complex operation of traditional ignition methods, while also considering cost control and technical adaptability, becoming an important technical support for modern fireworks displays. The connection structure adopts a sleeve-shaped shell and plug-in hole design, allowing ordinary personnel to complete the installation without professional skills, lowering the operational threshold. The electric heating wire clamping structure ensures stable contact between the ignition head and the fireworks propellant, reducing the risk of flameout during display. It reduces the time spent repeatedly inspecting wiring quality, significantly improving the efficiency of installation and dismantling, making it especially suitable for non-professionals. However, currently common electric ignition head connection structures on the market have significant drawbacks: firstly, the fixation between the plug and socket is unstable, posing a safety hazard; secondly, the lack of a protective structure makes it prone to dust accumulation when not in use. Therefore, designing an electric ignition head connection structure specifically for fireworks displays is essential. Utility Model Content

[0003] The purpose of this invention is to provide an electric ignition head connection structure for fireworks displays, in order to solve the defects of existing plug and socket connections, such as unstable fixing, safety hazards, lack of protective structure, and easy dust accumulation when not in use.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: an electric ignition head connection structure for fireworks display, including a junction box, bolt fixing holes, a power interface, a protective housing, an electric ignition head device, a fixing rod, a fixing ring, a snap-fit ​​block, and a fixing pin. The junction box is symmetrically fixedly connected to the fixing rod, and the fixing ring is slidably connected to the fixing rod. The fixing ring has a convex groove, and one end of a spring is fixedly connected to the convex groove. The other end of the spring is fixedly connected to the snap-fit ​​block. The junction box is symmetrically provided with sliding grooves, and a sliding block is slidably connected to the sliding groove. The protective housing is fixedly connected to the sliding block, and a sliding plate is slidably connected to the protective housing.

[0005] As a further technical solution of this utility model, the snap-fit ​​block is slidably connected in the convex groove, and the snap-fit ​​block is slidably connected in the through groove opened in the fixing rod.

[0006] As a further technical solution of this utility model, the junction box is closely attached to the protective box, and a fixing pin is engaged in the through hole opened on the protective box. The fixing pin is engaged in the blind hole opened on the rotating plate, and the rotating plate is closely attached to the protective box and the sliding block.

[0007] As a further technical solution of this utility model, the junction box is provided with symmetrical bolt fixing holes, a power interface is provided on the junction box, and a fixing block is fixedly connected to the junction box, with the fixing block closely attached to the sliding plate.

[0008] As a further technical solution of this utility model, a socket is fixedly connected to the junction box, a plug is sleeved on the socket, and an electric ignition head device is provided on the plug.

[0009] As a further technical solution of this utility model, a fixing ring is fitted onto the plug.

[0010] As a further technical solution of this utility model, a rotating shaft is rotatably connected to the protective box, and a rotating plate is fixedly connected to the rotating shaft.

[0011] This utility model provides an electric ignition head connection structure for fireworks displays. Its advantages are as follows: A socket is fixed to the junction box as a support; a plug is inserted into the socket as a support; the tail end of the electric ignition head device is directly connected to the plug as a support; the insertion hole at the center of the top of the electric ignition head device allows the ignition end to be precisely inserted into the combustion chamber of the fireworks fuel for ignition; by moving the locking block, a fixing ring is fitted onto the plug; a fixing rod passes through the through hole in the fixing ring; releasing the locking block allows it to engage with the through hole in the fixing rod under the action of a spring, thus securing the plug and socket and eliminating safety hazards; the protective housing is pushed to slide along the sliding groove, and the rotating plate is rotated around the rotating shaft, installing the sliding plate along the sliding groove. The protective housing, rotating plate, and sliding plate form a sealed space, isolating dust and providing protection. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is an overall structural diagram of the present invention;

[0014] Figure 2 This is a three-dimensional schematic diagram of the junction box of this utility model;

[0015] Figure 3 This is an overall front view of the protective box of this utility model;

[0016] Figure 4 This is a partial cross-sectional view of the snap-fit ​​block of this utility model.

[0017] In the diagram: 1. Junction box; 2. Bolt fixing hole; 3. Power interface; 4. Fixing block; 5. Protective housing; 6. Sliding plate; 7. Sliding groove; 8. Rotating shaft; 9. Socket; 10. Plug; 11. Electric ignition head device; 12. Fixing rod; 13. Fixing ring; 14. Snap-fit ​​block; 15. Convex groove; 16. Sliding block; 17. Rotating plate; 18. Spring; 19. Fixing pin. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0019] Please see the appendix Figure 1 -Appendix Figure 4 This utility model provides an embodiment of an electric ignition head connection structure for fireworks displays, comprising a junction box 1, bolt fixing holes 2, a power interface 3, a protective housing 5, an electric ignition head device 11, a fixing rod 12, a fixing ring 13, a snap-fit ​​block 14, and a fixing pin 19. The junction box 1 is symmetrically fixedly connected to the fixing rod 12, and the fixing ring 13 is slidably connected to the fixing rod 12. The fixing ring 13 has a convex groove 15, and one end of a spring 18 is fixedly connected to the convex groove 15. The other end of the spring 18 is fixedly connected to the snap-fit ​​block 14. The junction box 1 is symmetrically provided with sliding grooves 7, and a sliding block 16 is slidably connected to the sliding groove 7. The protective housing 5 is fixedly connected to the sliding block 16, and a sliding plate 6 is slidably connected to the protective housing 5. The snap-fit ​​block 14 is slidably connected to the convex groove 15. In the through groove of the fixed rod 12; the junction box 1 is closely attached to the protective box 5, and the through hole of the protective box 5 is fitted with a fixing pin 19, which is fitted into the blind hole of the rotating plate 17. The rotating plate 17 is closely attached to the protective box 5 and the sliding block 16; the junction box 1 has symmetrical bolt fixing holes 2, and the junction box 1 is provided with a power interface 3. The junction box 1 is fixedly connected with a fixing block 4, which is closely attached to the sliding plate 6. The power interface 3 is used to connect to the power supply; the junction box 1 is fixedly connected with a socket 9, and a plug 10 is fitted on the socket 9. The plug 10 is provided with an electric ignition head device 11, which is used for ignition; a fixing ring 13 is fitted on the plug 10; the protective box 5 is rotatably connected with a rotating shaft 8, and the rotating shaft 8 is fixedly connected with a rotating plate 17, which is used to close the protective box 5.

[0020] Specifically, in use, firstly, using junction box 1 as a support, fix socket 9 onto junction box 1. Using socket 9 as a support, insert plug 10 into socket 9. Using plug 10 as a support, directly connect the tail end of electric ignition head device 11 to plug 10. The insertion hole at the center of the top of electric ignition head device 11 allows the ignition end to be precisely inserted into the combustion chamber of the fireworks powder to complete ignition. Move the locking block 14 to fit the fixing ring 13 onto plug 10. The fixing rod 12 passes through the through hole opened in the fixing ring 13. Release the locking block 14. Under the action of spring 18, the locking block 14 engages with the through hole opened in the fixing rod 12 to complete the fixation, thus fixing plug 10 and socket 9 and eliminating safety hazards. Push the protective box 5 to slide along the sliding groove 7 and rotate the rotating plate 17 around the rotating shaft 8. Install the sliding plate 6 along the sliding groove. The protective box 5, rotating plate 17 and sliding plate 6 form a sealed space to isolate dust and provide protection.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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 connection of 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.

[0022] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without any creative effort.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. An electric ignition head adapter structure for fireworks display, comprising a junction box (1), a bolt fixing hole (2), a power interface (3), a protective box (5), an electric ignition head device (11), a fixing rod (12), a fixing ring (13), a clamping block (14) and a fixing pin (19), characterized in that: The symmetrical fixing connection has a fixed rod (12) on the junction box (1), the fixed rod (12) is slidably connected with a fixed ring (13), the fixed ring (13) is provided with a convex groove (15), one end of the spring (18) is fixedly connected with the convex groove (15), the other end of the spring (18) is fixedly connected with the clamping block (14), the junction box (1) is symmetrically provided with a sliding groove (7), the sliding groove (7) is slidably connected with a sliding block (16), the sliding block (16) is fixedly connected with a protection box (5), and the protection box (5) is slidably connected with a sliding plate (6).

2. An electrical ignition head adapter for use with a firework, according to claim 1, wherein: The clamping block (14) is slidably connected in the convex groove (15), and the clamping block (14) is slidably connected in the through groove of the fixed rod (12).

3. An electrical ignition head adapter for use with a firework, according to claim 1, wherein: The junction box (1) is tightly connected with the protection box (5), the protection box (5) is provided with a through hole, the fixed pin (19) is clamped in the through hole, the fixed pin (19) is clamped in the blind hole of the rotating plate (17), and the rotating plate (17) is tightly connected with the protection box (5) and the sliding block (16).

4. An electrical ignition head adapter for use with a firework, according to claim 3, wherein: The junction box (1) is symmetrically provided with a bolt fixing hole (2), the junction box (1) is provided with a power interface (3), the junction box (1) is fixedly connected with a fixed block (4), and the fixed block (4) is tightly connected with the sliding plate (6).

5. An electrical ignition head adapter for use with a firework, according to claim 4, wherein: The junction box (1) is fixedly connected with a socket (9), the socket (9) is sleeved with a plug (10), and the plug (10) is provided with an electric ignition head device (11).

6. An electrical ignition head adapter for use with a firework, according to claim 5, wherein: The plug (10) is sleeved with a fixed ring (13).

7. An electrical ignition head adapter for use with a firework, according to claim 3, wherein: The protection box (5) is rotatably connected with a rotating shaft (8), and the rotating shaft (8) is fixedly connected with a rotating plate (17).