CN201072845Y - Sparking plug - Google Patents

Abstract

The utility model provides a spark plug with higher conductive rate and high inoxidability, which comprises a connection nut, a porcelain insulator, a shell and electrodes. The surfaces of the connection nut, shell and electrodes are coated with metal silver layers on all parts and the external surface of the metal silver layer is coated with a metal gold layer. By adopting the technical scheme, the whole structure of the utility model is alloy structure internally to ensure the spark plug with good rigidity and the middle metal silver layer has the characteristics of large density and fast conductive rate; the metal gold layer of the external surface has good conductivity and inoxidability, high reduction degree and low internal resistance and is beneficial for high frequency output. The utility model adopts the own characteristics of the three metals to effectively overcome the defects of the existing spark plug including lower indexes such as conductivity, etc.

Description

A kind of spark plug

Technical field:

The utility model relates to the power supply interconnection technique field of power supply unit, refers in particular to a kind of spark plug.

Background technology:

Existing spark plug configuration, metal part mostly are to be made by a kind of material simply, and as alloy etc., but spark plug plays very important electric action again in whole system, when this kind single structure connects power supply, directly cause the whole system electric conductivity relatively poor.

Summary of the invention:

The purpose of this utility model is to overcome the deficiencies in the prior art part, and a kind of have higher conduction speed, spark plug that non-oxidizability is high are provided.

For achieving the above object, the technical scheme that the utility model provides is: include wiring nut, porcelain insulator, housing, electrode, plate in the whole body, surface of wiring nut, housing, electrode and be wrapped with metallic silver layer, the metallic gold layer is wrapped up in the plating of metallic silver layer outer surface.

After the utility model adopts technique scheme, overall structure inside is alloy structure, make spark plug have good hardness, it is big that middle metallic silver layer has density, the fast characteristics of conduction speed, the metallic gold layer of outer surface has good conductivity and non-oxidizability, the reduction degree height, internal resistance is low, helps high frequency output.The characteristic that the utility model utilizes three kinds of metals to have has separately solved the lower shortcomings of every index such as existing spark plug electric conductivity effectively.

Description of drawings:

Fig. 1 is a sectional structure schematic diagram of the present utility model;

Embodiment:

Below in conjunction with accompanying drawing the utility model is described further,

See shown in the accompanying drawing 1, the spark plug of the utility model preferred embodiment is made up of three part-structures, the metal part of spark plug inside is made by alloy, spark plug is except porcelain insulator 2, the plating of the whole body of porcelain insulator 2, housing 3, electrode 4 wrap up in density big, conduct electricity metallic silver layer 5 faster, in metallic gold layer 5 outside, plate again and wrap up in anti-oxidant degree height, reduction degree height, the low metallic gold layer 6 of internal resistance.

The embodiment of the above is preferred embodiment of the present utility model only, is not to limit practical range of the present utility model with this, so the equivalence that all shapes according to the utility model, structure and principle are done changes, all should be covered by in the protection range of the present utility model.

Claims (1)

1. spark plug, include wiring nut (1), porcelain insulator (2), housing (3), electrode (4), it is characterized in that: the whole body, the surface plating in wiring nut (1), housing (3), electrode (4) is wrapped with metallic silver layer (5), and metallic gold layer (6) is wrapped up in the plating of metallic silver layer (5) outer surface.

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