JPH0519049B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to the shape and fixing structure of a spark plug used as an ignition device for a gas stove burner.

Structure of conventional example and its problems In the direct ignition method, which is one of the conventional methods of igniting a gas stove burner, the ignition plug to the burner is attached to the mounting plate 1 as shown in Fig. 1 A, B, and C.
Place the spark plug 2 on the spark plug 2, hook the leaf spring 3 onto the mounting plate 1, and tighten the screw 4 while pushing the spark plug 2 to fix it. Then, tighten the spark plug unit 5 with the mounting base 2 to 3 or two other screws 10, insert the burner body 6 from above the spark plug unit 5, place it on the mix pipe 7 that has been fixed in advance, and release the burner cap 8. The configuration was such that the discharge distance to the electrode 9 was maintained at an appropriate distance. In this conventional configuration, precision is required in the method of bonding the discharge electrode 9 to the 2a and the 90° bending of the tip of the discharge electrode 9, leading to an increase in cost.
Due to the difference in dimensions between the two screw holes on the mounting base 3 and the screw holes on the mounting base 3, an appropriate discharge distance may not be maintained.
There were problems such as ignition failure and increased assembly man-hours due to the increased number of component parts needed to maintain the discharge distance.

In addition, since the discharge electrode 9 is unidirectional, there are many ignitions due to misalignment of mounting dimensions.

Purpose of the invention The present invention solves the above-mentioned conventional problems.
The purpose is to reduce the number of component parts by simplifying the processing and installation of the discharge electrode. Furthermore, the discharge electrode is made multidirectional to prevent misignition.

Structure of the Invention In order to achieve the above-mentioned object, the present invention forms the outer peripheral surface of a plate material for discharging substantially perpendicularly to the tip of a conductive rod in the shape of a gear, and connects the flame hole provided on the outer periphery of the burner body. The plates are positioned substantially parallel to each other, and the tips of the teeth of the gear-shaped plates are arranged at a discharging distance from the burner body near the flame hole.

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

The spark plug of this embodiment is made by inserting an octagonal plate 11 into a rod 12 as shown in FIGS. 2 to 5.
The discharge electrode 13 is fixed by caulking, and the discharge electrode 13 is inserted into an insulator 14 and hardened with adhesive. The method for attaching the spark plug 15 to the mounting base 3 is to attach the spring 16 to the groove 14a above the insulator 14, insert it into the mounting base 3, and insert the spring wire 17 into the groove 14b below the insulator 4. and fix it. Then, the positioning part 6a of the burner body 6 is inserted from above the spark plug unit and placed on the pre-fixed mixing pipe 7, so that the discharge distance between the burner cap 9 and the plate material 11 can be easily maintained at an appropriate distance. The plate material 11, which is the anode of this discharge electrode, and the burner cap a do not need to be oriented as in the conventional example, and can be freely installed 360 degrees.
By simply fixing the repulsion force of 6 with the wire rod 17 having spring properties through the mounting base 3, the three screws 4 and 10 in Fig. 1 that were conventionally used are no longer necessary, which also reduces the number of assembly steps. ing.

Effects of the Invention As explained above, according to the spark plug of the present invention, by arranging the gear-shaped discharge plate material parallel to the outside of the outer periphery of the burner having flame holes on the outer periphery, the discharge plate material It is possible to specify the tip of the gear and position it on the burner, and even if the tip of the gear deviates from the line connecting the burner and the discharge plate, the predetermined discharge interval can be maintained, and there is no need to adjust the mounting angle of the discharge electrode relative to the burner. , and enables stable discharge from the tips of a plurality of teeth close to the burner, improving ignition performance.

[Brief explanation of drawings]

1A, B, and C are a side view, an exploded perspective view, and a plan view of a main part showing a conventional spark plug and its installed state; FIG. 2 is a plan view showing a state in which the ignition plug of the present invention is installed. , FIG. 3 is a side view of the same, FIG. 4 is an exploded perspective view of the same elements, and FIG. 5 is an exploded perspective view of the same discharge electrode. 6...Burna body, 7...Mixto pipe,
8...burner cap, 11...octagonal board,
12... Rod, 13... Discharge electrode, 14... Insulator, 15... Spark plug, 16... Spring,
17...Wire rod.

Claims (1)

[Claims] 1. The outer peripheral surface of a plate material for discharging fixed approximately perpendicularly to the tip of a conductive rod is formed in the shape of a gear, and the plate material is positioned approximately parallel to the flame hole provided on the outer periphery of the burner body, and The spark plug is arranged such that the tips of the teeth of the plate are set at a discharging distance from the burner body near the flame hole.