Lead device for fireworks and crackers

Abstract

The utility model discloses a lead device for fireworks and crackers, which comprises a first lead and a second lead, the first lead comprises a lead, a connecting seat, a protective cover and a first elastic piece, the second lead comprises a lead, a connector, a protective cover and a second elastic piece, and the connector and the connecting seat are respectively arranged at one end of the first lead and one end of the second lead. The connector is matched with the connecting seat, one end of the first elastic piece and one end of the second elastic piece are respectively connected with the first lead and the second lead, and the other end of the first elastic piece and the other end of the second elastic piece are respectively connected with the connecting seat of the first lead. By arranging the first lead and the second lead, quick connection and separation of the first lead and the second lead are achieved through elastic potential energy of the first elastic piece and the second elastic piece, so that smooth ignition of fireworks is achieved, and the setting-off safety of the fireworks is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the fireworks and firecrackers field, concretely relates to a safe fireworks and firecrackers lead wire device. BACKGROUND

[0002] Fireworks and firecrackers have been an important element of people's celebration of festivals and happy activities since ancient times. It adds a happy atmosphere with its unique visual and auditory effects. However, as a highly flammable and explosive product, the safety of fireworks and firecrackers has always been the focus of attention. In the production and use of fireworks and firecrackers, any negligence in any link may lead to serious safety accidents, especially the design and use of lead wire device, which directly affects the safety performance of fireworks and firecrackers.

[0003] The traditional fireworks and firecrackers lead wire device mainly relies on the fuse, which is a kind of ignition tool made of cotton thread soaked in gunpowder. Although the fuse meets the ignition needs to some extent, it has many safety hazards. The fuse may be damaged due to friction and extrusion during storage and transportation, causing unstable ignition or premature extinguishing. More seriously, if the fuse is broken or misaligned, it may cause accidental explosion, bringing great safety risk to users.

[0004] In addition, the connection mode of the traditional lead wire device also has problems. The simple butt joint mode is often not stable enough and is easy to loosen under vibration or external force, affecting the ignition effect.

[0005] In view of the above problems, it is particularly urgent to develop a safer and more stable fireworks and firecrackers lead wire device. The new lead wire device should have the characteristics of wear resistance, reliable connection and simple operation, so as to ensure that the fireworks and firecrackers can be safely and stably ignited in various environments, reduce the possibility of accidents, and protect the use experience and life and property safety of users. Therefore, designing an innovative fireworks and firecrackers lead wire device can not only improve the overall safety of fireworks and firecrackers, but also improve the user experience, which is a technical problem to be solved in the current industry. SUMMARY

[0006] The utility model aims at providing a safe fireworks and firecrackers lead wire device to solve the problems in the above background technology.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A fuse device for fireworks and firecrackers, comprising a first fuse and a second fuse, the first fuse comprises a fuse, a connecting seat, a protective cover and a first elastic member, the second fuse comprises a fuse, a connecting head, a protective cover and a second elastic member, the connecting head and the connecting seat are respectively arranged at one end of the first fuse and the second fuse, the connecting head is matched with the connecting seat, one end of the first elastic member and the second elastic member is connected with the first fuse and the second fuse respectively, the other end of the first elastic member and the second elastic member is connected with the connecting seat of the first fuse respectively.

[0008] Further, the connecting head and the connecting seat are cylindrical in shape.

[0009] Further, the connecting head and the connecting seat are fixed to each other by a sleeving method.

[0010] Further, the first elastic member and the second elastic member are made of spring steel.

[0011] Further, all the components except the fuse are made of metal or flame-retardant material, and the flame-retardant material is one or more of cellulose acetate, calcium sulfate, calcium carbonate and talc.

[0012] Further, in the unignited state, one end of the first fuse is connected with the fireworks and firecracker body, and the other end is covered with a protective cover; the second fuse is stored as an independent component, and both ends are also provided with protective covers.

[0013] Further, when preparing to ignite, all the protective covers are removed, and the first fuse and the second fuse are sleeved, so that the ignition can be performed.

[0014] The fuse device for fireworks and firecrackers designed by the utility model, by introducing the structure of the first fuse and the second fuse, and the design of the connecting head, the connecting seat and the elastic member between them, the safety and the operation convenience of the fireworks and firecrackers are significantly improved, and the fuse device has the following significant beneficial effects compared with the existing fuse device:

[0015] 1. Convenient connection and use: the design of the connecting head and the connecting seat adopts a matching shape, so that the first fuse and the second fuse can be conveniently connected and fixed. This connection method is simple and reliable, and does not require complex operation steps, which facilitates the use and ignition of fireworks.

[0016] 2. Protect the fireworks body: in the unignited state, one end of the first fuse is connected with the fireworks and firecracker body, and the other end is covered with a protective cover, the second fuse is stored as an independent component, and both ends are also provided with protective covers. This protection measure can effectively prevent the fuse device from being affected by external factors, and also protects the safety of the fireworks and firecracker body, reduces the possible safety hazards in the storage and transportation process.

[0017] 3. Improved reliability of firework ignition: The material of the first and second elastic members is spring steel, which has good elasticity and durability. They can provide stable elastic force during the process of firework ignition, ensuring the normal combustion of the fuse and the smooth ignition of the firework. This improvement in reliability helps to ensure the effect and ornamental value of firework ignition.

[0018] In summary, the fuse device of the patent has the advantages of convenient connection and use, protection of firecracker body, and improvement of the reliability of firework ignition, which brings a safer and more convenient solution for the use and ignition of fireworks. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 Figure 1 is a structural diagram of the first fuse of the present utility model;

[0020] Figure 2 Figure 2 is a structural diagram of the second fuse of the present utility model;

[0021] Figure 3 Figure 3 is a structural diagram of the fuse device of the present utility model;

[0022] Figure 4 Figure 4 is a structural diagram of the connector and connecting seat of the present utility model.

[0023] In the figure: 1, fuse ①; 2, fuse ②; 3, first elastic member; 4, second elastic member; 5, connecting seat; 6, connecting head; 7, protective cover. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present utility model will be described clearly and completely below in combination with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0025] Please refer to Figures 1-4 The present utility model provides a technical solution: a safe fuse device for firecrackers, comprising a first fuse and a second fuse, the first fuse comprising a fuse ①, a connecting seat 5, a protective cover 7 and a first elastic member 3, the second fuse comprising a fuse ②, a connecting head 6, a protective cover 7 and a second elastic member 4, the connecting head 6 and the connecting seat 5 are respectively arranged at one end of the fuse ① and the fuse ②, the connecting head 6 is matched with the connecting seat 5, one end of the first elastic member 3 and the second elastic member 4 is respectively connected with the fuse ① and the fuse ②, the other end of the first elastic member 3 and the second elastic member 4 is respectively connected with the connecting seat 5.

[0026] Working principle: when in use, remove all protective covers 7, connect the connector 6 of the independent component second lead to the connecting seat 5 of the first lead, form a complete ignition channel, the first elastic member 3 and the second elastic member 4 are compressed, when the connector 6 is completely inserted into the connecting seat 5, the first lead and the second lead are connected, at this time, the first elastic member 3 and the second elastic member 4 are in the compressed state, have a certain elastic potential, and are connected with the first lead and the second lead at the same time, when ignition is needed, the user ignites the second lead, the flame will be transmitted to the connector 6 along the second elastic member 4, then transmitted to the first lead through the first elastic member 3, finally ignites the firework main body, completes the smooth ignition of the firework.

[0027] It should be noted that the lead device involved in the utility model is not limited to a cylindrical shape. In actual application, it can be designed into different shapes according to specific needs, such as an oval shape, a square shape, etc.

[0028] In general, this lead device realizes the safe storage, precise docking and stable ignition of the firework lead through ingenious structural design and material selection, ensuring the safety and effect of the firework burning process. Its working principle not only embodies the ingenuity of mechanical structure, but also takes into account the safety of actual use, which is an important innovation in the technology of fireworks and crackers.

[0029] Although embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A firework fuse device, comprising a first fuse and a second fuse, the first fuse comprising a fuse, a connecting seat, a protective cover and a first elastic member, the second fuse comprising a fuse, a connecting head, a protective cover and a second elastic member, the connecting head and the connecting seat being respectively arranged at one end of the first fuse and the second fuse, the connecting head being matched with the connecting seat, one end of the first elastic member and the second elastic member being respectively connected with the first fuse and the second fuse, the other end of the first elastic member and the second elastic member being respectively connected with the connecting seat of the first fuse.

2. The lead device of claim 1, wherein, The connecting head and the connecting seat are in the shape of a cylinder.

3. The lead device of claim 1, wherein, The connecting head and the connecting seat are fixed to each other by means of a sleeve fitting.

4. The lead device of claim 1, wherein, The first elastic member and the second elastic member are both made of spring steel.

5. The lead device of claim 1, wherein, All the components except the fuse are made of metal or fire-retardant material, and the fire-retardant material is one or more of acetate cellulose, calcium sulfate, calcium carbonate and talcum powder.

6. The lead device of claim 1, wherein, In the unignited state, one end of the first fuse is connected with the main body of the firework, and the other end is covered with a protective cover; the second fuse is stored as an independent component, and both ends are also provided with protective covers.

7. The lead device of claim 1, wherein, When ready to ignite, remove all protective covers, and sleeve the first fuse with the second fuse, and then ignite.

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