CN218887798U

CN218887798U - Pointed spark plug

Info

Publication number: CN218887798U
Application number: CN202222713359.6U
Authority: CN
Inventors: 郑异赟
Original assignee: Ningbo Newstar Spark Plug Co ltd
Current assignee: Ningbo Newstar Spark Plug Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-04-18
Anticipated expiration: 2032-10-14

Abstract

The utility model discloses a tip spark plug, including ceramic insulator, ceramic insulator's lower extreme fixedly connected with power plug, power plug's lower extreme fixedly connected with wiring electrode, power plug's upper end fixedly connected with center electrode, center electrode's outer wall fixedly connected with isolated layer, isolated layer's outer wall fixedly connected with nickel cadmium layer, ceramic insulator's outer wall is provided with the outer packing pad, ceramic insulator is close to the outer wall fixedly connected with hexagon nut of outer packing pad upper end, hexagon nut's inner wall fixedly connected with metal casing, metal casing's upper end fixedly connected with side electrode, center electrode's upper end fixedly connected with resistive element, the outer wall fixedly connected with inner packing pad of resistive element, the utility model provides a tip spark plug has and to ignite fast, tail gas can not appear and exceed standard, the condition that the oil consumption increases to can also prolong spark plug life's advantage, thereby the problem that the current device appears and not enough has been solved effectively.

Description

Pointed spark plug

Technical Field

The utility model relates to a spark plug field especially relates to a tip spark plug.

Background

The spark plug, commonly called as a burner, is used for discharging pulse high-voltage electricity sent by a high-voltage wire (a burner wire) to break down air between two electrodes of the spark plug to generate electric sparks to ignite mixed gas in a cylinder, and mainly comprises the following types: a quasi-spark plug, a rim body protrusion type spark plug, an electrode type spark plug, a seat type spark plug, a pole type spark plug, a surface spark plug, and the like.

However, the spark plug used at present has the problems that the ignition is difficult, the ignition needs to be carried out for many times to be successful, the tail gas exceeds standard, and the oil consumption is increased.

In view of this, research and improvement are carried out to the existing problem, and a pointed spark plug is provided, which has the advantages of fast ignition, no over standard tail gas and increased oil consumption, and can prolong the service life of the spark plug, and aims to achieve the purposes of solving the problem and improving the practical value through the technology.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the tip spark plug that proposes, including ceramic insulator, ceramic insulator's lower extreme fixedly connected with power plug, power plug's lower extreme fixedly connected with terminal electrode, power plug's upper end fixedly connected with center electrode, center electrode's outer wall fixedly connected with isolation layer, isolation layer's outer wall fixedly connected with nickel cadmium layer, ceramic insulator's outer wall is provided with the outer gasket, ceramic insulator is close to the outer wall fixedly connected with hexagon nut of outer gasket upper end, hexagon nut's inner wall fixedly connected with metal casing, metal casing's upper end fixedly connected with side electrode, center electrode's upper end fixedly connected with resistive element, the outer wall fixedly connected with inner gasket of resistive element, the upper end fixedly connected with electricity connection post of resistive element, the upper end fixedly connected with conductor head of electricity connection post, the outer wall fixedly connected with conductor of electricity connection post.

In order to realize the purpose, the utility model adopts the following technical scheme:

as a further description of the above technical solution:

the ceramic insulator has a relatively good insulating property, and the ceramic insulator has a relatively good heat dissipation property.

As a further description of the above technical solution:

the wiring electrode is connected with the central electrode through a power plug, and the resistance of the isolation layer is higher.

As a further description of the above technical solution:

the nickel-cadmium layer has good heat absorption performance, and the nickel-cadmium layer has good corrosion resistance and oxidation resistance.

As a further description of the above technical solution:

the central electrode is connected with a power plug in a welding mode, and the power plug is connected with the wiring electrode in a welding mode.

As a further description of the above technical solution:

the outer wall of the part, close to the lower end, of the electric connecting column is fixedly connected with the inner sealing gasket, and the outer wall of the metal shell is provided with threads.

As a further description of the above technical solution:

the conductive head has better conductive performance, and the conductor has better heat-conducting performance.

The utility model discloses following beneficial effect has:

1. the utility model provides a tip spark plug, through the insulating layer, the resistive element, the inner sealing pad, connect the electric pole, the conducting tip, the setting of conduction ware, realize striking sparks to spark plug's quick, make it need not just can strike sparks through a lot of starts the condition, and can also not increase the oil consumption, and the tail gas of emission can not exceed standard yet, the insulating layer can be guaranteed when the electric current passes through center electrode, can not make the electric current weak by the dispersion conduction, guarantee the stability of electric current conduction, reduce the consume of electric current, and the conduction ware can guarantee to connect the electric pole can not produce high temperature and make the resistance grow, guarantee that the conducting tip can derive the electric current fast.

2. The utility model provides a tip spark plug, through ceramic insulator, the setting of nickel cadmium layer, can guarantee when the burning of fuel in the engine, ceramic insulator can not heat up rapidly, guarantee that ceramic insulator's surface can not produce the carbon deposit, and can also be isolated with the electric current, guarantee that the condition of fuel can not take place the preignition, can guarantee that the fuel can be fully burnt, and nickel cadmium layer can absorb the heat when ceramic insulator's temperature is too high, guarantee ceramic insulator temperature's stability, through power plug, the setting of outer sealing gasket, guarantee the stability of spark plug at the during operation, make it can not lead to the offset because of vibrations.

Drawings

Fig. 1 is an overall structure diagram of a pointed spark plug according to the present invention;

FIG. 2 is a plan view of a portion of a ceramic insulator of a pointed spark plug in accordance with the present invention;

fig. 3 is a plan view of a metal shell portion of a pointed spark plug according to the present invention.

Illustration of the drawings:

1. a ceramic insulator; 2. a power plug; 3. a wiring electrode; 4. a center electrode; 5. an insulating layer; 6. a nickel cadmium layer; 7. an outer seal gasket; 8. a hexagonal nut; 9. a metal housing; 10. a side electrode; 11. a resistor body; 12. an inner seal; 13. connecting a power post; 14. a conductive head; 15. a conductor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a tip spark plug, including ceramic insulator 1, the lower extreme fixedly connected with power plug 2 of ceramic insulator 1, the lower extreme fixedly connected with wiring electrode 3 of power plug 2, the upper end fixedly connected with center electrode 4 of power plug 2, the outer wall fixedly connected with insulating layer 5 of center electrode 4, the outer wall fixedly connected with nickel cadmium layer 6 of insulating layer 5, ceramic insulator 1's outer wall is provided with outer sealing gasket 7, ceramic insulator 1 is close to outer wall fixedly connected with hexagon nut 8 of outer sealing gasket 7 upper end, the inner wall fixedly connected with metal casing 9 of hexagon nut 8, the upper end fixedly connected with side electrode 10 of metal casing 9, the upper end fixedly connected with resistive element 11 of center electrode 4, the outer wall fixedly connected with inner seal pad 12 of resistive element 11, the upper end fixedly connected with electric connector 13 of resistive element 11, the upper end fixedly connected with conductive head 14 of electric connector 13, the outer wall fixedly connected with conductor 15 of electric connector 13.

Through insulating layer 5, resistive element 11, the inside seal pad 12, connect electric pole 13, conducting tip 14, the setting of conduction ware 15, realize striking sparks to the spark plug fast, make it need not to strike sparks through the condition of starting many times, and can also not increase the oil consumption, and the tail gas of emission also can not exceed standard, insulating layer 5 can guarantee when electric current passes through central electrode 4, can not make the electric current weak by the dispersion conduction, guarantee the stability of electric current conduction, reduce the consume of electric current, and conduction ware 15 can guarantee that connect electric pole 13 can not produce high temperature and make resistance grow, guarantee that conducting tip 14 can derive the electric current fast, through ceramic insulator 1, the setting of nickel cadmium layer 6, can guarantee when the burning of fuel in the engine, ceramic insulator 1 can not heat up rapidly, and guarantee that the surface of ceramic insulator 1 can not produce the carbon deposition, and can also insulate electric current, guarantee the condition that the fuel can not take place the preignition, can guarantee that the fuel can be fully burnt, and can not absorb the heat because of during operation nickel cadmium layer 6 when the temperature of ceramic insulator 1 is too high, guarantee the stable carbon deposition of ceramic insulator 1, through power supply, the setting up of plug, can not lead to the stability of the plug, make its sealed pad 7, can not lead to the spark, can not lead to the skew.

Specifically, the ceramic insulator 1 has good insulation performance, so that fuel cannot be ignited in advance, and the ceramic insulator 1 has good heat dissipation performance, so that high temperature cannot be generated;

specifically, the wiring electrode 3 is connected with the central electrode 4 through the power plug 2, and the resistance ratio of the insulating layer 5 is high, so that current is prevented from being dispersed.

Specifically, the nickel-cadmium layer 6 has good heat absorption performance, and the nickel-cadmium layer 6 has good corrosion resistance and oxidation resistance, so that the heat of the ceramic insulator 1 can be absorbed, and the service life of the spark plug can be prolonged;

specifically, the central electrode 4 is connected with the power plug 2 in a welding manner, and the power plug 2 is connected with the wiring electrode 3 in a welding manner, so that the stability of the whole structure is ensured;

specifically, the outer wall of the part, close to the lower end, of the electric pole 13 is fixedly connected with the inner sealing gasket 12, so that a good sealing effect is ensured, and the outer wall of the metal shell 9 is provided with threads which can be rotatably connected;

specifically, the electric conductive property of conductive head 14 is comparatively good, the heat conductivility of conductor 15 is comparatively good, guarantees that electrical column 13 can not heat up the resistance increase, guarantees that the electric current can be followed conductive head 14 and derived fast.

The working principle is as follows: firstly, the spark plug is connected well by rotating through the hexagon nut 8, then the spark plug can be fixed by the threads of the outer wall of the power plug 2, the outer sealing pad 7 and the metal shell 9, so that the position of the spark plug can not be deviated due to vibration when the spark plug works, then the wiring electrode 3 can lead current into the center electrode 4, the current is transmitted to the electric connection post 13 through the resistor body 11 and is sprayed out from the electric conduction head 14, and the electric connection post and the side electrode 10 react, so that fuel can burn rapidly, in the current transmission process, the isolation layer 5 can ensure that the current can not be dispersed, the loss of the current can be reduced, high temperature can be generated in the fuel burning, the heat radiation performance of the ceramic insulator 1 can be better and can not be damaged, the heat absorptivity of the nickel layer 6 is better, the ceramic insulator 1 can be ensured to be kept in a certain temperature range, so that the fuel can not be ignited in advance due to high temperature or insufficient burning due to low temperature to cause carbon deposition, and the conductor 15 can conduct the temperature of the electric connection post 13 to the metal shell 9, and ensure that the resistance of the electric connection post 13 can not become large cadmium.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. A pointed spark plug comprising a ceramic insulator (1), characterized in that: the power plug comprises a ceramic insulator (1), a power plug (2) and a power plug (2), wherein the power plug (2) is fixedly connected with a wiring electrode (3), a central electrode (4) is fixedly connected with the upper end of the power plug (2), an insulating layer (5) is fixedly connected with the outer wall of the central electrode (4), a nickel-cadmium layer (6) is fixedly connected with the outer wall of the insulating layer (5), an outer sealing gasket (7) is arranged on the outer wall of the ceramic insulator (1), the ceramic insulator (1) is close to a hexagonal nut (8) which is fixedly connected with the outer wall of the upper end of the outer sealing gasket (7), a metal shell (9) is fixedly connected with the inner wall of the hexagonal nut (8), a side electrode (10) is fixedly connected with the upper end of the metal shell (9), a resistor (11) is fixedly connected with the upper end of the central electrode (4), an inner sealing gasket (12) is fixedly connected with the outer wall of the resistor (11), an electric connecting post (13) is fixedly connected with a conductive head (14) and an outer wall of the electric connecting post (13) is fixedly connected with a conductive device (15).

2. A pointed spark plug as claimed in claim 1, wherein: the ceramic insulator (1) has an insulating property, and the ceramic insulator (1) is a good thermal conductor.

3. A pointed spark plug as claimed in claim 1, wherein: the wiring electrode (3) is connected with the central electrode (4) through the power plug (2), and the isolation layer (5) is made of insulating rubber.

4. A pointed spark plug as claimed in claim 1, wherein: the size of the nickel cadmium layer (6) is larger than that of the isolation layer (5), and the outer wall of the nickel cadmium layer (6) is fixedly connected with the ceramic insulator (1).

5. A pointed spark plug as claimed in claim 1, wherein: the central electrode (4) is connected with the power plug (2) in a welding mode, and the power plug (2) is connected with the wiring electrode (3) in a welding mode.

6. A pointed spark plug as claimed in claim 1, wherein: the outer wall of the part, close to the lower end, of the electric connecting column (13) is fixedly connected with the inner sealing gasket (12), and the outer wall of the metal shell (9) is provided with threads.

7. A pointed spark plug as claimed in claim 1, wherein: the size of the conductive head (14) is smaller than that of the electric connecting column (13), and the outer wall of the conductor (15) is fixedly connected with the ceramic insulator (1).