KR200441517Y1 - Ignition plug - Google Patents

Abstract

The present invention further increases the electron focusing density at the center electrode, which increases the intensity during ignition, so the ignition power is excellent, and the explosion force is increased, thereby increasing the engine focusing power and the electron focusing density which can promote complete combustion. According to the spark plug for increasing the electron focusing density of the present invention for providing the plug, an insulator having a center inner diameter, a first electrode inserted through the center inner diameter, and the outside of the insulator A spark plug having a second electrode inserted into a neck portion and mounted to an internal combustion engine, wherein the spark plug is connected to a lower end of the first electrode to form an ignition gap spaced apart from the lower end of the second electrode by a predetermined distance. A plate-shaped electrode is provided, and the multi-point plate-shaped electrode has a plurality of teeth on the outer circumferential surface thereof and a plurality of teeth sequentially increasing the electron focus density. Characterized in that phase is formed. In this case, the tooth portion may be configured as a curved end of the arc-shaped or the end is cut in a straight shape.

Ignition, Sparks, Spark Plugs, Internal Combustion Engines, Ignition Electrodes

Description

Spark plug {Ignition plug}

The following drawings, which are attached in this specification, illustrate the preferred embodiments of the present invention, and together with the detailed description of the present invention, which serves to further understand the technical spirit of the present invention, the present invention is a matter described in such drawings. It should not be construed as limited to.

1 is a perspective view of main parts of a conventional spark plug.

Figure 2 is an assembled cross-sectional view of the spark plug according to the present invention.

Figure 3 is an exemplary view of a multi-dot plate electrode applied to the spark plug of the present invention.

Figure 4 is a modified example of the multi-dot plate electrode applied to the spark plug of the present invention.

5 is a perspective view of main parts of a spark plug according to the present invention;

<Explanation of symbols for the main parts of the drawings>

14: first electrode

16: second electrode

20: multi-point plate electrode

21: Goal

22: Chibu

22a: surface

22b: flat

The present invention relates to a spark plug applied to an ignition device of an internal combustion engine, and in particular, to improve the structure of the multi-dot plate electrode to increase the electron focusing density of the multi-dot plate electrode, thereby increasing the intensity of the spark spark It is about.

As is generally known, the spark plug shown in FIG. 1 has a main body portion having a cylinder engagement threaded locking end 117, a tapered portion 116 extending from the main body portion, and a contact or center electrode 112. do. The locking end 117 is provided with an L-shaped metal pin or protruding electrode 111, and the center electrode 112 is provided at an inner end of the tapered portion at intervals inward from the protruding electrode 111.

However, these conventional ignition spark plugs have various problems. For example, the combustion of a conventional spark plug is ignited by a small diameter or area of sparks, so that combustion is not completed sufficiently and is not fast enough that a conventional ignition spark plug could not increase the engine output in flame discharge sparks. .

In addition, conventional ignition spark plugs cannot expect complete combustion, cannot improve the starting power of the engine, and have limitations in reducing exhaust gas.

Therefore, the present applicant has proposed the Korean Utility Model Registration No. 0262294 (Registration Announcement: 2002.03.18) in order to solve the problem of the spark plug, and to provide a spark plug for ignition completed more quickly.

An ignition spark plug comprising a center electrode extending through a center passage, and a plurality of protrusions formed along the periphery of the center electrode, the insulator configured in the center passage and a center electrode extending through the center passage. A circular plate center electrode fixedly extending from one end and formed with a plurality of triangular grooves formed with teeth to increase the size of the spark in the ignition chamber, and spaced apart from the circular plate center electrode, and extending from the metal housing; And a ring electrode disposed at one end of the screw-shaped metal shell.

However, the grooves forming the circular plate-shaped center electrode of the conventional ignition spark plug are formed as triangular grooves whose shape is cut into triangles, so that the area becomes narrower toward the vertex, thereby lowering the electron focusing density, and thus ignition. Problems such as reduced firepower and explosive power appeared.

Therefore, the present applicant improves the structure of the spark plug to further increase the electron focusing density at the center electrode, so that the intensity is increased during ignition, so that the ignition power is excellent, and the explosive force is increased, thereby improving the output of the engine and achieving complete combustion. The purpose is to provide a spark plug that increases the electron focus density.

According to the ignition plug which increased the electron focusing density of this invention for achieving the said objective,

A spark plug having an insulator having a center inner diameter, a first electrode inserted through the center inner diameter, and a second electrode inserted into an outer diameter portion of the insulator and mounted to an internal combustion engine,

A disk-shaped multi-point plate-shaped electrode is connected to a lower end of the first electrode to form an ignition gap spaced apart from the lower end of the second electrode by a predetermined distance.

The multi-point plate-shaped electrode is characterized in that a plurality of teeth are formed sequentially on the outer peripheral surface and the teeth to increase the electron focus density.

At this time, the tooth is characterized in that the end is composed of an arc-shaped curved surface.

In another variation, the teeth may be configured in a plane in which the ends are cut in a straight line.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIGS. 2 and 5, the present invention includes an insulator 12 having a central inner diameter 12a, a first electrode 14 inserted through the central inner diameter 12a, and an outer diameter portion of the insulator 12. In a spark plug 10 having a second electrode 16 inserted into a wall of a combustion chamber 1 of an internal combustion engine, the lower end of the first electrode 14 has a lower end of the second electrode 16. And the disk-shaped multi-point plate-shaped electrode 20 forming an ignition gap (flame gap) spaced at a predetermined distance from each other.

In this embodiment, the multi-point plate-shaped electrode 20 is a metal material and is inserted into a hole 20a penetrated at the end of the first electrode 14 and connected by metal welding. Therefore, the multi-point plate electrode 20 is in an electrically connected state through the first electrode 14 and the welding unit 17.

The multi-point plate-shaped electrode 20 is formed on the outer circumferential surface of a plurality of arc-shaped valleys 21 and teeth 22 for increasing the electron focusing density sequentially.

In the present embodiment, the bone 21 and the tooth 22 are each formed by eight, but the present invention is not limited to this number, of course, the number can be increased or decreased.

At this time, the arc-shaped valley 21 functions to focus the high voltage current sent to the multi-point plate-shaped electrode 20 to the teeth 22.

As shown in FIG. 3, the tooth part 22 may be configured as an arc-shaped curved surface 22a, or as shown in FIG.

The spark plug 10 of the present invention configured as described above receives a high voltage current by a distributor (not shown) included in an ignition circuit.

Therefore, a strong spark 13 is generated between the instantaneous ignition gap (flame gap) flowing through the first electrode 14 to the second electrode 16.

At this time, the arc-shaped valley 21 of the multi-point plate-shaped electrode 20 serves to focus the high voltage flow by increasing the electron pushing speed to the teeth 22.

Therefore, a strong spark occurs in the multi-point gap between the end of the tooth 22 and the end of the second electrode 21.

This makes it possible to realize complete combustion of the fuel supplied to the combustion chamber of the internal combustion engine, which can prevent engine relief, reduce exhaust gas and improve engine output.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto, and the technical idea and the following of the present invention are provided by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

According to the spark plug which increases the electron focusing density of the present invention as described above, the multi-point plate-shaped electrode focuses the arc of the arc to allow high voltage to flow to the teeth, so that a strong spark is generated in the spark gap between the teeth and the end of the second electrode. Happens.

Therefore, it is possible to realize the complete combustion of the fuel supplied to the combustion chamber of the internal combustion engine, which can prevent engine relief, reduce the exhaust gas, and improve the engine output.

Claims (3)

delete An insulator 12 having a central inner diameter 12a, a first electrode 14 inserted through the central inner diameter 12a, and a second electrode inserted into an outer diameter portion of the insulator 12 and mounted on an internal combustion engine In the spark plug 10 provided with (16), The disk-shaped multi-point plate electrode 20 is connected to the lower end of the first electrode 14 to form an ignition gap spaced apart from the lower end of the second electrode 16 by a predetermined distance. The multi-point plate-shaped electrode 20 is formed on the outer circumferential surface of a plurality of arc-shaped bone 21 and the teeth 22 to increase the electron focusing density in sequence, The tooth 22 is spark plug with increased electron focus density, characterized in that the end is composed of an arc-shaped curved surface (22a). delete

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