Electric igniter forming structure for igniting fireworks

Abstract

The utility model discloses an electric igniter forming structure for firework ignition, which comprises a lead, a conductive substrate, a heating wire, a gunpowder head and a copper-clad strip plate, the heating wire is spirally wound and welded on a plate body of the copper-clad strip plate, the heating wire sections uniformly distributed on the plate body are parallel to each other, and the gunpowder head is arranged on the substrate. Stamping notches are formed in the copper-clad strip plate between every two adjacent heating wire sections, tooth-shaped strips between the stamping notches form the base plates, the roots of the base plates are connected through a connecting belt, the free ends of the base plates adhere to the gunpowder heads, and the wires are welded to the roots of the base plates. The heating wire is spirally wound and welded on the plate body of the copper-clad strip plate, so that the fine processing of welding the slender heating wire and the fine substrate one by one is avoided; a stamping notch is formed between every two adjacent heating wire sections, so that one ends of the tooth-shaped strips on the plate body can be immersed into gunpowder mucus at a time, and meanwhile adhesion of gunpowder heads is completed. Therefore, the production efficiency can be effectively improved.

Description

Technical Field

[0001] The utility model relates to a device for igniting fireworks and firecrackers. Background Art

[0002] In the fireworks display, an electric igniter device can be used to ignite fireworks. The electric igniter includes a wire, a conductive substrate, a heating wire and a pyrotechnic head. The size of the substrate is generally width × length = 0.3 cm × 1 cm. During production, the slender heating wire needs to be welded to the small substrate one by one, so that the heating wire is distributed in the length direction of the substrate. Then, one end of the substrate is immersed in the gunpowder mucus to adhere the pyrotechnic head, and after drying, the wire is welded to the other end of the substrate where the pyrotechnic head is not adhered. The processing fineness is high and the production efficiency is low. Content of the Utility Model

[0003] In order to solve the above drawbacks, the technical problem to be solved by the utility model is to provide a forming structure of an electric igniter for fireworks ignition, which can effectively improve the production efficiency. To solve the above technical problem, the technical solution adopted by the utility model is that a forming structure of an electric igniter for fireworks ignition includes a wire, a conductive substrate, a heating wire and a pyrotechnic head. It is characterized in that it further includes a copper-clad long strip board. The heating wire is spirally wound and welded on the board body of the copper-clad long strip board. The heating wire segments evenly distributed on the board body are parallel to each other. A stamping notch is provided on the copper-clad long strip board between two adjacent heating wire segments. The toothed strips between the respective stamping notches form the substrate. The root of the substrate is connected by a connecting strip. The free end of the substrate adheres to the pyrotechnic head, and the root of the substrate is welded to the wire.

[0004] The beneficial effect of the utility model is that the spiral winding and welding of the heating wire on the board body of the copper-clad long strip board avoids the fine processing of welding the slender heating wire to the small substrate one by one; a stamping notch is provided between two adjacent heating wire segments, so that one end of multiple toothed strips on the board body can be immersed in the gunpowder mucus at the same time to complete the adhesion of the pyrotechnic head at the same time. Therefore, the production efficiency can be effectively improved.

[0005] Preferably, the substrate is a trapezoidal structure with a larger root.

[0006] Of course, it is not necessary for any product implementing the utility model to achieve all the above-mentioned advantages simultaneously.

[0007] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0008] It should be understood that the orientation or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation on the present utility model.

[0009] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0010] In the present utility model, unless otherwise clearly specified and limited, the terms such as "install", "connect", "connection", "fix", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0011] In the present utility model, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the horizontal height of the first feature is less than that of the second feature.

[0012] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic structural view of a complete heating wire spirally wound and welded on a copper - clad long strip board;

[0014] Figure 2 It is a schematic structural view of the copper - clad long strip board with a stamping notch (in the state without adhering a pyrotechnic head);

[0015] Figure 3 It is a schematic structural view of the copper - clad long strip board with a stamping notch (in the state of adhering a pyrotechnic head);

[0016] Figure 4 It is a schematic structural view of a single electric ignition head. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] See the attached Figures 1-4 , which reflects a specific structure of the present utility model. The electric ignition head forming structure for fireworks ignition includes a wire 1, a conductive substrate 2, a heating wire 3 and a pyrotechnic head 4, and also includes a conductive copper - clad long strip board 5. A complete long heating wire 3 is spirally wound and welded on the plate body of the copper - clad long strip board 5, forming a number of heating wire segments 301 evenly distributed on the plate body. The spiral winding and welding of the heating wire 3 on the plate body of the copper - clad long strip board 5 replaces the process of individually welding the slender heating wire and the small substrate, greatly reducing the requirement for processing fineness.

[0018] Each heating wire segment 301 is parallel to each other. A stamping notch 501 is provided on the copper-clad long strip 5 between two adjacent heating wire segments 301. The toothed strips between the stamping notches 501 constitute the substrate 2. In the example, the toothed strip is a trapezoidal structure with a larger root. The root of the substrate 2 is connected by a connecting band 502, and the free end of the substrate 2 adheres to the primer head 4. By providing the stamping notch 501 between two adjacent heating wire segments 301, one end of multiple toothed strips (i.e., the substrate 2) on the plate body can be immersed in the primer mucus at one time to complete the adhesion of the primer head 4 simultaneously. Therefore, the production efficiency can be effectively improved. The components and weight ratio of the primer mucus are: potassium perchlorate 70%, potassium chlorate 5%, titanium powder 15%, and silicon powder 10%. After adding an appropriate amount of adhesive to the above components and mixing them evenly, the primer mucus is obtained.

[0019] After the adhesion of the primer head 4 is completed, a wire 1 for electrical connection is welded to the root of the substrate 2 through a soldering part 6, and an electric igniter is obtained. The substrate 2 can be broken off from the connecting band 502 along the root and then the wire 1 is welded; or the substrate 2 can be broken off from the connecting band 502 along the root after the wire 1 is welded for use. During use, the primer head 4 is connected to the pyrotechnic composition or fuse of the firework, and the insulation layer peeling part 101 of the wire 1 is electrically connected to the ignition power supply through a switch. Closing the switch can ignite the firework for setting off.

[0020] The embodiments of the present invention disclosed above are only used to help explain the present invention. The embodiments do not describe all the details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, according to the content of this specification, many modifications and changes can be made. This specification selects and combines the drawings to specifically describe these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. However, the present invention can be implemented in many other ways different from those described herein. Those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is only limited by the claims and their full scope and equivalents, and is not limited by the disclosed specific embodiments.

Claims

1. An electric igniter forming structure for fireworks ignition, comprising a wire (1), a conductive substrate (2), a heating wire (3) and a pyrotechnic head (4), characterized in that, It further includes a copper-clad long strip board (5), and the heating wire (3) is spirally wound and welded on the board body of the copper-clad long strip board (5). The heating wire segments (301) evenly distributed on the board body are parallel to each other. A stamping notch (501) is provided on the copper-clad long strip board (5) between two adjacent heating wire segments (301). The toothed strips between the respective stamping notches (501) form the substrate (2). The root of the substrate (2) is connected by a connecting strip (502). The free end of the substrate (2) adheres to the primer head (4), and the root of the substrate (2) is welded to the wire (1).

2. The electric igniter forming structure for fireworks ignition according to claim 1, characterized in that, The substrate (2) is a trapezoidal structure with a larger root part.

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