Lighter for spark coil
A technology for ignition coils and igniters, which is applied to transformers, inductors, electrical components, etc., to achieve the effect of ensuring electrical insulation, simplifying manufacturing processes, ensuring electrical insulation and waterproofing
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Embodiment 1
[0066] Such as figure 1 , figure 2 As shown, the ignition coil igniter 1 of this embodiment is used as an ignition coil for an internal combustion engine, and is configured to be attached to a bracket provided on a vehicle component such as an engine or a vehicle body.
[0067] The igniter 1 is formed by mounting a connector 22 for electrical connection on a circuit board 2 on which a plurality of circuit elements 21 are mounted. In addition, the igniter 1 is covered with a covering body 3 formed by coating insulating rubber, and the covering body 3 covers a plurality of circuits except for a part of the connector 22 (a portion protruding from the circuit board 2 toward the board surface thereof). The entirety of the exposed surface of the element 21 and the exposed surface of the circuit board 2 . Further, the igniter 1 is configured to be attached to a bracket in a state where the cover body 3 is exposed as a case.
[0068] in addition, figure 1 , figure 2 It is a fig...
Embodiment 2
[0081] The present embodiment is an example showing various modifications in which the cover body 3 is integrally formed with the mounting portion 31 for mounting the igniter 1 to the bracket 4 provided on a vehicle component.
[0082] Such as Figure 6 As shown, the mounting portion 31 is formed in a bendable shape with respect to the covering body 3 , and may be formed as a pair of plate-shaped bending portions 31A formed on both sides of the side portion of the covering body 3 . In addition, a press-fitting hole 311A into which the end portion 41 of the bracket 4 can be press-fitted is formed in advance in each bent portion 31A.
[0083] And, if Figure 7 As shown, the igniter 1 is arranged on the bracket 4, and a pair of bending parts 31A are bent relative to the bracket 4, and the end 41 of the bracket 4 is pressed into each press-in hole 311A, so that the ignition can be ignited. The device 1 is installed on the bracket 4. In this case, by press-fitting the end port...
Embodiment 3
[0095] The present example is an example in which studies have been conducted to discharge moisture such as splashed water and dew condensation from the igniter 1 .
[0096] Specifically, such as Figure 16 , Figure 17 As shown, in the cover body 3 of this embodiment, the inclined surface 32 for drainage is formed on the surface-side facing portion 301 facing the component mounting surface 201 on which a plurality of circuit components 21 are mounted on the circuit board 2 .
[0097] The inclined surface 32 of the present embodiment is formed by the first inclination 321 and the second inclination 322; the first inclination 321 is, as Figure 16 As shown, in the circuit board 2, it becomes lower from the side where the connector 22 is installed to the other side (the thickness of the cover body 3 becomes smaller); the second inclination 322 is, as Figure 17 As shown, in the direction perpendicular to the inclination direction of the first inclination 321 , it becomes lower...
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