CN112688171A

CN112688171A - Perforated electrode spark plug

Info

Publication number: CN112688171A
Application number: CN202011579998.7A
Authority: CN
Inventors: 翁文章
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-04-20

Abstract

The invention relates to a perforated electrode spark plug, which comprises a spark plug body, a central electrode and side electrodes, wherein the outer side of the central electrode is wrapped by an insulator, the central electrode is installed at the middle section of the spark plug body, one end of the central electrode relatively protrudes out of the spark plug body, the side electrodes are installed at the edge of the end part of the spark plug body, the side electrodes are provided with through holes, and gaps exist between the through holes and the central electrode. According to the perforated electrode spark plug, the ignition effect is enhanced by improving the electrode structure of the ignition plug, the combustion efficiency of gasoline in an engine cylinder is improved, and the consumption of fuel oil is effectively reduced; and can avoid the insufficient fuel efficiency of the petrol and lead to the carbon deposit of the engine, guarantee the spark plug is difficult to receive the pollution, thus has improved the service life of the spark plug body effectively.

Description

Perforated electrode spark plug

Technical Field

The invention relates to the technical field of spark plugs, in particular to a perforated electrode spark plug.

Background

The spark plug is a component of the ignition system of the gasoline engine, which introduces high-voltage current into a cylinder to generate electric spark for igniting combustible mixed gas. In our daily life, because of the extraction technical limit of medium petrochemical gasoline, domestic gasoline can not meet the international standard easily, so that the pollution and combustion efficiency in an engine cylinder are poor, carbon deposition stacking, exhaust emission exceeding standard and power reduction of an engine of a gasoline vehicle engine can be caused, a spark plug can be polluted, and finally the ignition efficiency is low. Meanwhile, automobile engines in the world are designed with great power and capital in combustion efficiency, and the aim is to optimize good combustion efficiency, namely to improve the thermal efficiency of the engines; the engine thermal efficiency is the chemical energy of gasoline, and the process of converting the chemical energy into the mechanical energy in the processes of air intake, compression, ignition and exhaust of an engine piston is the engine thermal efficiency, but the thermal efficiency is reduced along with the use of a period of time and the increase of kilometers.

In view of the above problems, fuel additives or computer ECU programs are generally added to improve engine power in the market, but because fuel additives are chemical components, air pollution is also caused, or engine life is shortened by the computer ECU programs of the engine, and problems caused in the later period become more serious. Therefore, it is necessary to improve the structure of the spark plug so as to improve the combustion efficiency of the engine.

Disclosure of Invention

Accordingly, there is a need to provide a perforated electrode spark plug, which can enhance the ignition effect by improving the electrode structure of the spark plug, improve the combustion efficiency of gasoline in the engine cylinder, effectively reduce the fuel consumption, and convert the minimum chemical energy into the highest mechanical energy, in order to solve the technical problem of low combustion efficiency of the existing engine.

In order to realize the purpose of the invention, the invention adopts the following technical scheme:

the perforated electrode spark plug comprises a spark plug body, a central electrode and side electrodes, wherein an insulator wraps the outer side of the central electrode, the central electrode is installed at the middle section of the spark plug body, one end of the central electrode protrudes out of the spark plug body relatively, the side electrodes are installed at the edge of the end portion of the spark plug body, through holes are formed in the side electrodes, and gaps exist between the through holes and the central electrode.

The perforated electrode spark plug enhances the ignition effect by improving the electrode structure of the ignition plug, improves the combustion efficiency of gasoline in an engine cylinder, effectively reduces the consumption of fuel oil, and converts the minimum chemical energy into the highest mechanical energy.

In one embodiment, the side electrode includes a support portion connected to an end edge of the spark plug body and a connection portion located at an upper end of the center electrode.

In one embodiment, the through hole is disposed in the connecting portion, and a center point of the through hole and a center point of the center electrode are coaxially disposed.

In one embodiment, the distance from any point on the edge line of the through hole to the center point of the center electrode is the same.

In one embodiment, the spark plug body includes a terminal nut, a housing, a sealing washer, a terminal screw, and a threaded portion.

Drawings

FIG. 1 is a schematic view of a perforated electrode spark plug in accordance with a preferred embodiment of the present invention;

FIG. 2 is another angle schematic view of the perforated electrode spark plug of FIG. 1;

fig. 3 is an enlarged schematic view of a portion circled a of fig. 2.

The reference numbers illustrate:

100. a perforated electrode spark plug;

10. spark plug body, 11, terminal nut, 12, shell, 20, center electrode, 30, side electrode, 31, through hole, 32, support portion, 33, connecting portion, 40, insulator.

Detailed Description

In order that the invention may be more fully understood, reference will now be made to the following description. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 to 3, a spark plug 100 with a through hole electrode according to a preferred embodiment of the present invention includes a spark plug body 10, a center electrode 20 and a side electrode 30, wherein an insulator 40 is wrapped around an outer side of the center electrode 20, the center electrode 20 is installed at a middle section of the spark plug body 10, one end of the center electrode 20 protrudes out of the spark plug body 10, the side electrode 30 is installed at an end edge of the spark plug body 10, the side electrode 30 is provided with a through hole 31, and a gap exists between the through hole 31 and the center electrode 20. When the ignition plug body 10 generates high voltage electricity, the high voltage electricity flows from the center electrode 20 through the side electrode into the ground through the gap, and a spark is emitted to ignite the mixture gas in the engine, thereby realizing an ignition function. Meanwhile, because the side electrode is provided with the through hole 31, the high-voltage electricity is changed from the original single-point ignition mode to the multi-point ignition mode through the arc mode generated between the central electrode and the side electrode 30, so that the electric shock effect of the ignition plug body on the mixed gas is effectively increased, and the combustion efficiency of gasoline in the cylinder is finally improved; and can avoid the insufficient fuel efficiency of the petrol and lead to the carbon deposit of the engine, guarantee the spark plug is difficult to receive the pollution, thus has improved the service life of the spark plug body effectively.

Further, the insulator 40 is made of an alumina-based ceramic material in this embodiment, and has good mechanical properties and high voltage, high temperature impact, and chemical corrosion resistance. It will be appreciated that if the insulator is not functional, the high voltage will not go directly to ground across the poles, resulting in a sparkless condition.

Further, the side electrode 30 includes a support portion 32 and a connection portion 33, the support portion 32 is connected to an end edge of the spark plug body 10, and the connection portion 33 is located at an upper end of the center electrode 20. The side electrode 30 serves as a ground electrode for the high voltage generated by the ignition plug body 10 to flow to the side electrode through the center electrode, thereby generating an electric shock to achieve an ignition effect.

Further, the through hole 31 is disposed on the connecting portion 33, and the center point of the through hole 31 and the center point of the center electrode 20 are coaxially disposed, so that the distances between the plurality of contacts on the edge line of the through hole of the side electrode 30 and the center electrode are the same, thereby achieving the multi-point electric shock effect of the side electrode and the center electrode.

Further, the distance from any point on the edge line of the through hole 31 to the center point of the center electrode 20 is the same, and the electric shock generated between the side electrode 30 and the center electrode 20 is the best. In this embodiment, the through hole 31 is circular, and at this time, the distance from any point on the edge line of the through hole 31 to the center point of the center electrode is the same, and all contacts on the edge line of the through hole of the corresponding side electrode will react with the center electrode to generate an arc, so that an arc similar to an umbrella-shaped structure is generated between the side electrode 30 and the center electrode 20, and the combustion effect of the mixed gas can be improved to the maximum extent. It is understood that the shape of the through hole 31 is not limited too much, and in other embodiments, the shape of the through hole 31 may be set to be a polygonal structure such as a square, an arc, a long edge, etc., so as to ensure that the number of contacts on the edge line of the side electrode through hole, which are acted on the center electrode, is more than one, thereby generating a plurality of arcs between the gaps of the side electrode 30 and the center electrode 20.

Further, the spark plug body 10 includes a terminal nut 11, a case 12, a sealing washer, a terminal screw, and a screw thread portion, one end of the terminal screw is connected to the terminal nut 11, the other end of the terminal screw is inserted into one end of the insulator 40, one end of the center electrode 20 is fixed to the other end of the insulator 40, and the case 12 is fixedly installed on the peripheral wall of the insulator 40.

The perforated electrode spark plug enhances the ignition effect by improving the electrode structure of the ignition plug, improves the combustion efficiency of gasoline in an engine cylinder, effectively reduces the consumption of fuel oil, and converts the minimum chemical energy into the highest mechanical energy; and can avoid the insufficient fuel efficiency of the petrol and lead to the carbon deposit of the engine, guarantee the spark plug is difficult to receive the pollution, thus has improved the service life of the spark plug body effectively.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. Perforated electrode spark plug, its characterized in that: the spark plug comprises a spark plug body, a center electrode and side electrodes, wherein an insulator wraps the outer side of the center electrode, the center electrode is installed at the middle section of the spark plug body, one end of the center electrode protrudes out of the spark plug body relatively, the side electrodes are installed at the edge of the end portion of the spark plug body, through holes are formed in the side electrodes, and gaps exist between the through holes and the center electrode.

2. The perforated electrode spark plug according to claim 1, wherein: the side electrode includes a support portion connected to an end edge of the spark plug body and a connecting portion located at an upper end of the center electrode.

3. The perforated electrode spark plug according to claim 2, wherein: the through hole is arranged on the connecting part, and the central point of the through hole and the central point of the central electrode are coaxially arranged.

4. The perforated electrode spark plug according to claim 3, wherein: and the distance from any point on the edge line of the through hole to the central point of the central electrode is the same.

5. The perforated electrode spark plug according to claim 1, wherein: the spark plug body comprises a wiring nut, a shell, a sealing washer, a wiring screw rod and a thread part.