CN218040208U - Electronic spark plug - Google Patents

Abstract

The application discloses electron spark plug, which comprises a housin, the insulating body, central electrode and wiring piece, the wiring piece sets up in the one end of insulating body, central electrode sets up in the other end of insulating body and extends to in the insulating body, the outside of insulating body is located to the casing cover, the one end of casing is provided with the side electrode corresponding with the central electrode outer end, be provided with the electron tube between central electrode and the wiring piece, the electron tube includes the diode, set up in the metal cap at diode both ends, and coat in the high temperature resistant coating of diode periphery. The current transmitted from the wiring piece is amplified through the diode, so that larger sparks can be struck between the central electrode and the side electrode, oil gas is combusted more fully, the explosive force of the cylinder is improved, the utilization rate of oil gas is improved to achieve the purpose of saving oil, and electromagnetic waves generated when the spark plug is ignited can be effectively shielded through the metal cap made of high-purity nickel, so that the anti-interference effect is achieved.

Description

Electronic spark plug

Technical Field

The present application relates to the field of engine ignition equipment technology, and more particularly, to an electronic spark plug.

Background

The spark plug is a main element in an ignition system of an automobile engine, and the spark plug is used for introducing high-voltage electricity generated by an ignition coil into a cylinder of the engine, generating sparks between gaps of electrodes of the spark plug to ignite mixed oil gas, and combusting and expanding the mixed oil gas to provide energy required by power output of the engine.

The existing resistor body in the spark plug generally adopts a powder sintering resistor, when the spark plug is processed, 1-4 processes of adding powder into a ceramic piece are needed, and the powder is compacted every time and then is put into a sintering furnace for high-temperature sintering, the change of the furnace temperature can also cause the bad reflection that the resistance is unstable and the resistance value changes quickly, the resistance value can change greatly in the temperature change, the spark plug can generate great change of the strength and the weakness of the spark and even can not ignite, and the service life of the spark plug is short because the resistance is unstable and is quick to age. Moreover, the instability of the powder sintering resistance can cause the poor ignition stability between the electrodes, so that the oil gas is insufficiently ignited by the spark plug, the utilization rate of the oil gas is low, and the explosive force of the cylinder is reduced; in addition, the conventional spark plug generates electromagnetic waves when being ignited, and is liable to cause damage to electronic components in the vehicle.

Therefore, a spark plug capable of effectively solving the above-described problems has been desired.

SUMMERY OF THE UTILITY MODEL

The electronic spark plug has the advantages that the current transmitted from the wiring piece is amplified through the diode, so that larger sparks can be emitted between the central electrode and the side electrode, oil and gas are combusted more fully, the explosive force of a cylinder is improved, and the utilization rate of the oil and gas is improved so as to achieve the purpose of saving oil; in addition, the two ends of the diode are respectively provided with the metal caps made of high-purity nickel, so that the electromagnetic waves generated when the spark plug is ignited can be effectively shielded based on the good conductivity of the diode, and the anti-interference effect is realized, so that the aim of protecting electronic components is fulfilled.

Additional advantages and features of the present application will become apparent from the description which follows, and may be realized by means of the instrumentalities and combinations particularly pointed out in the specification.

In order to realize above-mentioned at least advantage, this application provides an electron spark plug, including casing, insulating body, central electrode and wiring piece, the wiring piece set up in the one end of insulating body, central electrode set up in the other end of insulating body and extend to in the insulating body, the casing cover is located the outside of insulating body, the one end of casing be provided with the corresponding side electrode in central electrode outer end, its characterized in that: the electron tube comprises a diode, metal caps arranged at two ends of the diode, and a high-temperature-resistant coating coated on the periphery of the diode.

In the electronic spark plug according to the present application, the wiring member includes a wiring cap and a screw rod, the screw rod extends from the wiring cap integrally into the insulating tube body, and the wiring member is screwed with the insulating tube body through the screw rod.

In the electronic spark plug according to the present application, a conductor connecting member is provided between the electron tube and the center electrode to abut the wiring member, the electron tube, and the center electrode in this order.

In the electronic spark plug according to the present application, the metal cap is made of high-purity nickel.

In the electronic spark plug according to the present application, the side electrode is bent and extended from an end portion of the shell to form a firing gap with an outer end of the center electrode.

In the electronic spark plug according to the present application, the housing is made of a metal material.

In the electronic spark plug according to the present application, the insulating tube body is made of a ceramic material.

In the electronic spark plug according to the present application, the conductor connection member is a metal spring.

In the electronic spark plug according to the present application, a red copper gasket is provided between the housing and the insulating tube body.

In the electronic spark plug according to the present application, a metal outer gasket is provided at a junction of the housing and the engine.

Further objects and advantages of the present application will become apparent from a reading of the ensuing description and drawings.

These and other objects, features and advantages of the present application will become more fully apparent from the following detailed description and the accompanying drawings.

Drawings

The above and other objects, features and advantages of the present application will become more apparent by describing in more detail embodiments of the present application with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings, like reference numbers generally represent like parts or steps.

Fig. 1 illustrates an exploded view of an electronic spark plug according to an embodiment of the present application.

Fig. 2 illustrates a schematic structural view of an electron tube according to an embodiment of the present application

Detailed Description

Hereinafter, example embodiments according to the present application will be described in detail with reference to the accompanying drawings. It should be understood that the described embodiments are only some embodiments of the present application and not all embodiments of the present application, and that the present application is not limited by the example embodiments described herein.

Exemplary devices

Fig. 1 illustrates an electronic spark plug according to an embodiment of the present application, wherein the electronic spark plug includes a housing 1, an insulating tube 2, a center electrode 3, and a wire connector 4, the wire connector 4 is disposed at one end of the insulating tube 2, the center electrode 3 is disposed at the other end of the insulating tube 2 and extends into the insulating tube 2, the housing 1 is sleeved outside the insulating tube 2, one end of the housing 1 is disposed with a side electrode 5 corresponding to an outer end of the center electrode 3, the side electrode 5 is bent and extended in a direction away from the wire connector 4 from the housing 1 to form an L-shaped electrode, a bent portion of the side electrode 5 corresponds to the center electrode and forms an ignition gap therebetween, and when a high voltage is applied between the center electrode 3 and the side electrode 5, an electric spark is generated and a mixture gas in a cylinder of an engine is ignited.

Specifically, the wire connecting piece 4 includes a wire connecting cap 41 and a screw rod 42, the screw rod 42 extends integrally from the wire connecting cap 41 into the insulating tube body 2, and the wire connecting piece 4 is screwed with the insulating tube body 2 through the screw rod 42.

In particular, the electron tube 6 is disposed between the central electrode 3 and the wiring member 4, as shown in fig. 2, the electron tube 6 includes a diode 61 and metal caps 62 disposed at two ends of the diode, and the current transmitted from the wiring member 4 is amplified by the diode 61, so that a larger spark can be struck between the central electrode 3 and the side electrode 5, and the oil-gas combustion is more sufficient, thereby not only improving the explosive power of the cylinder, but also improving the utilization rate of the oil-gas to achieve the purpose of saving oil, and the electromagnetic wave generated when the spark plug is fired can be effectively shielded by the metal caps 62 based on the good conductivity thereof, so as to achieve the purpose of protecting the electronic components. Specifically, the periphery of the diode 61 is further coated with a high-temperature-resistant coating 63, and the diode 61 is prevented from being damaged due to high temperature through the high-temperature-resistant coating 63, so that the service life of the electronic spark plug is effectively prolonged.

Further, a conductor connecting member 7 is provided between the electron tube 6 and the center electrode 3 to abut the wiring member 4, the electron tube 6 and the center electrode 3 in this order so that the wiring member 4, the electron tube 6 and the center electrode 3 are electrically connectable, in the present example, the conductor connecting member 7 is a metal spring.

Preferably, the housing 1 is made of a metallic material and the insulating tubular body 2 is made of a ceramic material.

Furthermore, a red copper gasket 8 is arranged at the joint of the shell 1 and the insulating tube body 2. Insulating body 2 and casing 1 are through cold pressing bordure and hot pressing bordure twice process encapsulation, carry out nitrogen gas when hot pressing bordure and erode, cool off in the twinkling of an eye, and such structure makes whole spark plug mechanical strength high, and is not fragile. The joint of the shell 1 and the engine is provided with the metal outer gasket 9, the metal outer gasket 9 has good ductility, the phenomenon of air leakage after the spark plug is installed in the engine is effectively prevented, and air tightness and mechanical strength are guaranteed.

The basic principles of the present application have been described above with reference to specific embodiments, but it should be noted that advantages, effects, etc. mentioned in the present application are only examples and are not limiting, and the advantages, effects, etc. must not be considered to be possessed by various embodiments of the present application. Furthermore, the foregoing disclosure of specific details is for the purpose of illustration and description and is not intended to be limiting, since the foregoing disclosure is not intended to be exhaustive or to limit the disclosure to the precise details disclosed.

The block diagrams of devices, apparatuses, systems referred to in this application are only given as illustrative examples and are not intended to require or imply that the connections, arrangements, configurations, etc. must be made in the manner shown in the block diagrams. These devices, apparatuses, devices, systems may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably herein. The words "or" and "as used herein mean, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".

It should also be noted that in the devices, apparatuses, and methods of the present application, the components or steps may be decomposed and/or recombined. These decompositions and/or recombinations should be considered as equivalents of the present application.

The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The foregoing description has been presented for purposes of illustration and description. Furthermore, the description is not intended to limit embodiments of the application to the form disclosed herein. While a number of example aspects and embodiments have been discussed above, those of skill in the art will recognize certain variations, modifications, alterations, additions and sub-combinations thereof.

Claims (10)

1. An electron spark plug, includes casing, insulating body, central electrode and wiring piece, the wiring piece set up in the one end of insulating body, central electrode set up in the other end of insulating body and extend to in the insulating body, the casing cover is located the outside of insulating body, the one end of casing be provided with the corresponding side electrode in central electrode outer end, its characterized in that: the electron tube comprises a diode, metal caps arranged at two ends of the diode, and a high-temperature-resistant coating coated on the periphery of the diode.

2. The electronic spark plug of claim 1 wherein said wire connecting member includes a wire connecting cap and a threaded rod, said threaded rod extending integrally from said wire connecting cap into said insulative housing, said wire connecting member being threadably connected to said insulative housing by said threaded rod.

3. The electronic spark plug as claimed in claim 1, wherein a conductor connecting member is provided between said electron tube and said center electrode to abut said wiring member, said electron tube and said center electrode in this order.

4. The electronic spark plug of claim 1 wherein said metal cap is made of high purity nickel.

5. The electronic spark plug of claim 1 wherein said side electrodes extend from the ends of said shell in a bent manner to form a spark gap with the outer end of said center electrode.

6. The electronic spark plug of claim 1 wherein said housing is made of a metallic material.

7. The electronic spark plug of claim 1 wherein said insulative tube body is formed of a ceramic material.

8. The electronic spark plug of claim 3 wherein said conductor connector is a metal spring.

9. The electronic spark plug of claim 1 wherein a copper washer is disposed between said shell and said insulating tubular body.

10. The electronic spark plug of claim 1 wherein a metal outer gasket is provided at the junction of the housing and the engine.

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