A spark plug and a high voltage ignition wire

Abstract

A spark plug is mainly composed of body parts, a ceramic insulation cylinder, a side electrode, a center electrode, a shielding cylinder, a rubber ring, a heat insulation material, or a current limiting resistor and a terminal electrode. The side electrode is provided with a side convex electrode ring. The center electrode is provided with a center convex electrode ring at the upper end. The upper and lower ends of the ceramic insulation cylinder are respectively provided with an insulation cylinder upper convex ring and an insulation cylinder lower convex ring. The shielding cylinder is arranged outside the insulation cylinder lower convex ring. The spark plug has the advantages of accurate ignition time, strong initial spark, long service life, and easy spark sparking at low temperature. A high-voltage ignition line matched with the spark plug is further disclosed. A high-voltage cap is arranged at one end of a high-voltage coaxial cable of the high-voltage ignition line, and a plug is arranged at the other end. The high-voltage cap is composed of a high-voltage cap core cap, a shielding cap and a base, and the base is provided with large and small insulation rings. The plug without a current limiting resistor has the same structure as the high-voltage cap, and the plug with a current limiting resistor is composed of a ceramic base cylinder, a core pin, an outer plugging cylinder, a cable insulator, and a current limiting resistor. The high-voltage ignition line can effectively suppress interference.

Description

Technical field [0001] The invention relates to a spark plug and a matching high-voltage ignition wire, in particular to a spark plug and a high-voltage ignition wire with reliable and accurate ignition, long service life and little interference. Background technique [0002] figure 1 It is a central cross-sectional view of an existing resistance spark plug, which is mainly composed of a main body fitting 1, a ceramic insulating cylinder 2, a side electrode 3, a center electrode 4, a current limiting resistor 5, a terminal electrode 6, a sealing gasket 8 and a backing plate 9, The upper part of the main fitting 1 is a mounting thread part 1A, and the outer wall of the lower part of the ceramic insulating cylinder 2 has an insulating cylinder ring groove 7 . The main fitting 1, the side electrode 3, the center electrode 4, and the sealing gasket 8 are made of metal or metal alloy, and the surface thereof is electroplated; while the current limiting resistor 5 is generally a ...

AI Technical Summary

Problems solved by technology

[0012] In order to overcome the deficiencies of existing spark plugs such as inaccurate ignition time, weak initial spark, short life and difficulty in ignition at low temperature, the present invention provides a spark plug and a high-voltage ignition wire, a spark plug with accurate ignition time and strong initial spark , long life and easy to ignite at low temperature; and a high-voltage ignition wire can effectively suppress interference

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