CN108730089B

CN108730089B - Engine fuel sprayer

Info

Publication number: CN108730089B
Application number: CN201810662978.2A
Authority: CN
Inventors: 李健; 孙兰娟; 黄娟; 程迎兵
Original assignee: Nanjing Gvg Automotive Power Co ltd
Current assignee: Nanjing Gvg Automotive Power Co ltd
Priority date: 2018-06-25
Filing date: 2018-06-25
Publication date: 2020-08-28
Anticipated expiration: 2038-06-25
Also published as: CN108730089A

Abstract

The invention discloses an engine oil nozzle, which comprises an oil nozzle shell, wherein a diffuser is arranged below the oil nozzle shell, the diffuser comprises a diffusion cone and a rotating assembly, the diameter of the upper port of the diffuser is the same as that of an oil outlet channel, the diffusion cone is arranged in the middle of the inside of the diffuser, the diffusion cone is conical, diffusion channels are arranged on the outer sides of the diffusion cone, the upper ends of a plurality of groups of diffusion channels are intersected with the same point, the rotating assembly is arranged below the diffusion cone, and holes matched with the diffusion channels are arranged at the upper end of the rotating assembly; the fuel oil can be well diffused and atomized to the maximum extent through the diffusion flow channel arranged on the outer side of the diffusion cone, so that the fuel oil can be conveniently and fully combusted, and meanwhile, the rotating assembly is arranged below the diffusion cone and forms a certain eccentric penetrating force with the rotating assembly, so that a certain tangential speed is generated, the fuel oil is more favorably diffused and atomized, and the emission of an engine and the fuel oil economy are effectively improved.

Description

Engine fuel sprayer

Technical Field

The invention relates to the field of engines, in particular to an engine oil nozzle.

Background

The fuel nozzle of the engine is one of key parts of an electronic fuel injection engine, the performance of the engine is directly influenced by the quality of the working condition of the fuel nozzle, and a certain deposit is formed in a fuel system after the automobile runs for a period of time. The formation of deposit is directly related to the fuel oil used, the colloid and impurities contained in the gasoline or the dust and impurities brought in during the storage and transportation process can form the deposit similar to oil sludge on the parts of an automobile oil tank, an oil inlet pipe and the like, and the unstable components in the gasoline can react at a certain temperature to form the colloid and the resin-shaped sticky matter. The sticky matters are changed into hard carbon deposits on the oil nozzle, meanwhile, the nozzle of the traditional engine oil nozzle is simple in structure and only provided with a plurality of holes, and when fuel oil is injected into the piston cylinder, the fuel oil cannot be completely combusted in the piston cylinder of the engine due to the fact that the fuel oil cannot be well diffused, so that the power of the engine can be greatly influenced.

Disclosure of Invention

Aiming at the problems, the invention provides an engine oil nozzle, wherein a diffuser is arranged below the inner part of the engine oil nozzle, a diffusion cone is arranged inside the diffuser, a diffusion flow channel is formed between the diffusion cone and the inner wall of the diffuser, when fuel oil is sprayed out from an oil outlet channel, the fuel oil can be well diffused and atomized to the maximum extent through the diffusion flow channel arranged outside the diffusion cone, so that the fuel oil can be conveniently and fully combusted, meanwhile, a rotating assembly is arranged below the diffusion cone, and a certain eccentric penetrating force is formed between the fuel oil and the rotating assembly when the fuel oil is sprayed out, so that a certain tangential speed is generated, the diffusion and atomization of the fuel oil are facilitated, the emission of an engine and the economy of the fuel oil are effectively improved, and the fuel oil nozzle is convenient to disassemble, assemble and clean by users through a detachable structure of.

The invention provides an engine oil nozzle, which comprises an oil nozzle shell, wherein a connector plug is arranged on one side of the oil nozzle shell, a filter screen is arranged above the inside of the oil nozzle shell, an oil conveying passage is arranged inside the oil nozzle shell, a return spring is arranged in the middle of the inside of the oil nozzle shell, a coil winding is arranged on the outer side of the return spring inside the oil nozzle shell and connected with the connector plug, a needle valve body with an electromagnetic armature is arranged at the lower end of the return spring, an oil outlet channel is arranged at the lower end of the oil nozzle shell, a diffuser is arranged below the oil nozzle shell and comprises a diffusion cone and a rotating assembly, the diameter of the upper port of the diffuser is the same as that of the oil outlet channel, the diffusion cone is arranged in the middle of the inside of the diffuser, the diffusion cone is conical, and diffusion flow channels are arranged on the outer sides of the diffusion cone, the upper ends of the diffusion flow channels are all intersected with the same point, the rotating assembly is arranged below the diffusion cone, and holes matched with the diffusion flow channels are formed in the upper end of the rotating assembly.

The further improvement lies in that: the outer side of the diffuser is of a hexagonal structure.

The further improvement lies in that: the diameter of the inscribed circle of the diffuser is 5-9 mm.

The further improvement lies in that: the oil nozzle shell is connected with the diffuser through any one of threads and buckles.

The further improvement lies in that: and a gasket is arranged between the oil nozzle shell and the diffuser.

The further improvement lies in that: the diameter of the circle formed by the lower end of the diffusion cone is larger than that of the oil outlet channel.

The further improvement lies in that: and a sealing ring is arranged on the outer side of the lower part of the oil nozzle shell.

The invention has the beneficial effects that: the diffuser is installed to the below of this engine fuel sprayer's inside, the inside of diffuser is provided with the diffusion awl, and the diffusion awl is formed with the diffusion runner with the diffuser inner wall, when fuel is from the oil outlet channel blowout, the diffusion runner that sets up through the diffusion awl outside can be fine carries out the diffusion atomizing of maximum with the fuel, make things convenient for the abundant burning of fuel, the below of diffusion awl is provided with rotating assembly simultaneously, when fuel blowout, and form certain eccentric penetration power between the rotating assembly, thereby produce certain tangential velocity, help the diffusion atomizing of fuel more, effectively improve engine emission and fuel economy, through the molding convenience of customers dismouting washing of diffuser and fuel sprayer shell detachable construction and diffuser outside hexagon.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention.

FIG. 2 is a detailed view of the diffuser of the present invention.

FIG. 3 is a perspective view of a diffusion cone of the present invention.

FIG. 4 is a top view of a diffuser according to the present invention.

Wherein: 1-oil nozzle shell, 2-connector plug, 3-filter screen, 4-oil conveying channel, 5-reset spring, 6-coil winding, 7-needle valve body with electromagnetic armature, 8-oil outlet channel, 9-diffuser, 10-diffusion cone, 11-rotating component, 12-diffusion flow channel, 13-gasket and 14-sealing ring.

Detailed Description

In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

Referring to fig. 1, 2, 3 and 4, the embodiment provides an engine oil nozzle, which includes an oil nozzle housing 1, a connector plug 2 is disposed on one side of the oil nozzle housing 1, a filter screen 3 is disposed above the inside of the oil nozzle housing 1, an oil delivery passage 4 is disposed inside the oil nozzle housing 1, a return spring 5 is disposed at a middle position inside the oil nozzle housing 1, a coil winding 6 is disposed outside the return spring 5 inside the oil nozzle housing 1, the coil winding 6 is connected to the connector plug 2, a needle valve body 7 with an electromagnetic armature is disposed at a lower end of the return spring 5, an oil outlet passage 8 is disposed at a lower end of the oil nozzle housing 1, a diffuser 9 is disposed below the oil nozzle housing 1, the diffuser 9 includes a diffusion cone 10 and a rotating component 11, an upper port of the diffuser 9 has the same diameter as the oil outlet passage 8, the fuel injector comprises a diffuser 10, a plurality of groups of diffuser runners 12, a rotating assembly 11, a gasket 13, a fuel nozzle shell 1 and a diffuser 9, wherein the diffuser 10 is arranged at the middle position inside a diffuser 9, the diffuser 10 is conical, the outer side of the diffuser 10 is provided with diffuser runners 12, the upper ends of the diffuser runners 12 are intersected with the same point, the rotating assembly 11 is arranged below the diffuser 10, the upper end of the rotating assembly 11 is provided with a hole matched with the diffuser runners 12, the outer side of the diffuser 9 is of a hexagonal structure, the diameter of an inscribed circle of the diffuser 9 is 8mm, the fuel nozzle shell 1 is connected with the diffuser 9 through any one of threads and buckles, the fuel nozzle shell 1 is provided with the gasket 13 between the diffusers 9, the diameter of a circle formed at the lower end of the diffuser 10 is larger than that of a fuel outlet 8, and the outer side.

Diffuser 9 is installed to the below of this engine fuel sprayer's inside, the inside of diffuser 9 is provided with diffusion awl 10, and diffusion awl 10 is formed with diffusion runner 12 with diffuser 9 inner wall, when fuel is spout from the oil outlet, diffusion runner 12 that sets up through the diffusion awl 10 outside can be fine carries out the maximum diffusion atomizing with the fuel, make things convenient for the abundant burning of fuel, the below of diffusion awl is provided with rotating assembly 11 simultaneously, when the fuel is spout, and form certain eccentric penetrating power between rotating assembly 11, thereby produce certain tangential velocity, help the diffusion atomizing of fuel more, effectively improve engine emission and fuel economy, through diffuser 9 and fuel sprayer shell detachable construction and diffuser 9 outside hexagon molding convenience of customers dismouting washing.

When the oil nozzle does not spray oil, the reset spring 5 is tightly pressed at the lower part of the inner part of the oil nozzle through the needle valve body 7 with the electromagnetic armature, so as to prevent oil dripping, when the coil winding 6 is electrified, electromagnetic suction force is generated, the needle valve body 7 with the electromagnetic armature is moved upwards, meanwhile, the reset spring 6 is compressed, fuel oil is sprayed into the diffuser 9 through the oil outlet channel 8, the fuel oil is uniformly diffused through a plurality of groups of diffusion flow channels 12 arranged at the outer side of the diffusion cone 10, certain eccentric penetrating force is formed between the diffusion flow channels and the rotating component 11, so as to generate certain tangential speed, further, the fuel oil can be maximally diffused and atomized when being sprayed out of the oil nozzle, when the coil winding 6 is powered off, the electromagnetic suction force disappears, the reset spring 5 rapidly closes the needle valve body 7 with the electromagnetic armature, the oil nozzle stops spraying, when an engine is used for a long time, the six-side line modeling design at the, the colloid and the resin-shaped sticky matter formed on the outer surface are cleaned, and the oil nozzle is prevented from being blocked.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An engine fuel injector, includes fuel injector shell (1), its characterized in that: a connector plug (2) is arranged on one side of the oil nozzle shell (1), a filter screen (3) is arranged above the interior of the oil nozzle shell (1), an oil delivery passage (4) is arranged inside the oil nozzle shell (1), a reset spring (5) is arranged at the middle position inside the oil nozzle shell (1), a coil winding (6) is arranged on the outer side of the reset spring (5) inside the oil nozzle shell (1), the coil winding (6) is connected with the connector plug (2), a needle valve body (7) with an electromagnetic armature is arranged at the lower end of the reset spring (5), an oil outlet channel (8) is arranged at the lower end of the oil nozzle shell (1), a diffuser (9) is arranged below the oil nozzle shell (1), the diffuser (9) comprises a diffusion cone (10) and a rotating assembly (11), and the upper port of the diffuser (9) is the same as the diameter of the oil outlet channel (8), diffusion awl (10) set up the intermediate position department in diffuser (9) inside, diffusion awl (10) are conical, just the outside of diffusion awl (10) all is equipped with diffusion runner (12), the multiunit the upper end of diffusion runner (12) all intersects in the same point, rotating assembly (11) set up the below at diffusion awl (10), the upper end of rotating assembly (11) is equipped with the hole with diffusion runner (12) looks adaptation, the outside of diffuser (9) is the hexagon structure, and the fuel is spouted into in diffuser (9) through oil outlet channel (8), and multiunit diffusion runner (12) through diffusion awl (10) outside setting make the fuel by even diffusion division, and rotating assembly (11) between form certain eccentric penetrating force to produce certain tangential velocity.

2. The engine injector of claim 1, wherein: the diameter of the inscribed circle of the diffuser (9) is 5-9 mm.

3. The engine injector of claim 1, wherein: the oil nozzle shell (1) is connected with the diffuser (9) in any one of a threaded mode and a buckled mode.

4. The engine injector of claim 1, wherein: and a gasket (13) is arranged between the oil nozzle shell (1) and the diffuser (9).

5. The engine injector of claim 1, wherein: the diameter of a circle formed by the lower end of the diffusion cone (10) is larger than that of the oil outlet channel (8).

6. The engine injector of claim 1, wherein: and a sealing ring (14) is arranged on the outer side below the oil nozzle shell (1).