CN219344855U - Flow guide type oil nozzle for diesel engine - Google Patents

Abstract

The utility model is suitable for the technical field of fuel spray nozzles, and provides a diversion type fuel spray nozzle for a diesel engine, which comprises a fuel spray nozzle shell, wherein a partition plate is fixedly connected above the inside of the fuel spray nozzle shell, a plurality of fuel inlet holes are uniformly formed in the periphery of the middle of the partition plate from inside to outside, a servo motor is fixedly connected to the bottom of the fuel spray nozzle shell, a water pipe is fixedly connected to the driving end of the servo motor, the water pipe is rotationally connected to the inside of the fuel spray nozzle shell, the water pipe is rotationally connected to the partition plate at the central position, a plurality of water spray holes are uniformly formed in the periphery of the outer wall of the water pipe from top to bottom, and oil outlet holes are formed in the four sides of the bottom of the fuel spray nozzle shell.

Description

Flow guide type oil nozzle for diesel engine

Technical Field

The utility model relates to the technical field of oil nozzles, in particular to a flow-guiding oil nozzle for a diesel engine.

Background

The oil nozzle is a simple electromagnetic valve, when the electromagnetic coil is electrified, suction force is generated, the needle valve is sucked up, the spray hole is opened, and fuel oil is sprayed out at a high speed through an annular gap between a pintle of the needle valve head and the spray hole, so that mist is formed, and the full combustion is facilitated.

At present, the diesel engine needs to use the water conservancy diversion formula fuel sprayer when the operation, and the majority water conservancy diversion formula fuel sprayer on the market can gather more impurity in inside after long-time use, and the majority water conservancy diversion formula fuel sprayer is fixed, and is comparatively inconvenient to the clearance inside clearance dismouting.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide the flow-guiding type oil nozzle for the diesel engine, which is convenient to assemble, disassemble and clean.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a water conservancy diversion formula fuel sprayer for diesel engine, includes the fuel sprayer casing, the inside top fixedly connected with baffle of fuel sprayer casing, a plurality of inlet port has evenly been seted up from inside to outside in the middle part a week of baffle, the bottom fixedly connected with servo motor of fuel sprayer casing, servo motor's drive end fixedly connected with water pipe, the water pipe rotates to be connected the inside of fuel sprayer casing, the water pipe rotates to be connected the baffle, central point department, a plurality of water spray hole has evenly been seted up to the outer wall a week top-down of water pipe, the oil outlet has all been seted up to the bottom four sides of fuel sprayer casing.

The utility model is further provided with: a plurality of scrapers are uniformly and fixedly connected to the periphery of the outer wall of the water pipe, and the scrapers are rotationally connected to the inside of the oil nozzle shell.

The utility model is further provided with: the top of the water pipe is provided with a waterway connector.

The utility model is further provided with: the top fixedly connected with fixed lantern ring of fuel sprayer casing, the screw thread groove has been seted up to the inside of fixed lantern ring.

The utility model is further provided with: the inner thread of the thread groove is connected with a stud, and the top end of the stud is fixedly connected with a top cover.

The utility model is further provided with: the middle part fixedly connected with valve rod of top cap.

The utility model is further provided with: the middle part of the front side of the fixed lantern ring is fixedly connected with a control switch, and the control switch is electrically connected with the servo motor.

The utility model is further provided with: the middle part of the rear side of the fixed lantern ring is fixedly connected with a handle.

The utility model has the advantages that: diesel oil flows into the inside of the oil nozzle shell along the partition plate and the oil inlet hole to flow, then is discharged through the oil outlet hole, the servo motor is controlled by the control switch to drive the water pipe to rotate, the top cover is rotated to rotate the stud out of the thread groove, the waterway connecting piece is communicated with a water source, the water source flows into the water pipe, then is sprayed out through the water spraying hole, the scraping plate simultaneously rotates to clean the inside of the oil nozzle shell, impurities are prevented from accumulating in the inside, after the cleaning, the stud is screwed into the thread groove to be used later, the technical effect of convenient cleaning is achieved, the technical purpose of convenient disassembly and assembly is achieved, the problem that most of flow-guiding oil nozzles on the market accumulate more impurities after being used for a long time in the prior art is solved, and most of flow-guiding oil nozzles are all fixed and are inconvenient to clean the inside.

Drawings

FIG. 1 is a schematic perspective view of a pilot fuel injector for a diesel engine according to the present utility model;

FIG. 2 is a schematic view of a thread groove of a pilot nozzle for a diesel engine according to the present utility model;

FIG. 3 is a schematic view of an oil inlet of a pilot nozzle for a diesel engine according to the present utility model;

FIG. 4 is a schematic view of a scraper of a pilot nozzle for a diesel engine according to the present utility model;

fig. 5 is an enlarged view at a in fig. 4.

In the figure: 1. an oil jet housing; 2. a partition plate; 3. an oil inlet hole; 4. a water pipe; 6. a waterway connector; 7. a scraper; 8. a water spraying hole; 9. an oil outlet hole; 10. a handle; 11. a fixed collar; 12. a thread groove; 13. a top cover; 14. a stud; 15. a valve stem; 16. a control switch; 17. a servo motor.

Detailed Description

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that 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 application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Example 1

Referring to fig. 1-5, the present utility model provides the following technical solutions: the utility model provides a water conservancy diversion formula fuel sprayer for diesel engine, including fuel sprayer housing 1, the inside top fixedly connected with baffle 2 of fuel sprayer housing 1, a plurality of inlet port 3 has been evenly offered from inside to outside in the middle part week of baffle 2, the bottom fixedly connected with servo motor 17 of fuel sprayer housing 1, the drive end fixedly connected with water pipe 4 of servo motor 17, water pipe 4 rotates and connects in the inside of fuel sprayer housing 1, water pipe 4 rotates and connects in the central point department of baffle 2, a plurality of water spray hole 8 has evenly been offered to the outer wall of water pipe 4 a week top-down, wash the water source blowout on the inner wall of fuel sprayer housing 1, oil outlet hole 9 has all been offered to the bottom four sides of fuel sprayer housing 1, oil outlet hole 9 can carry out diesel oil discharge, also can discharge the sewage after wasing simultaneously, keep the inside environment of fuel sprayer housing 1 clean, diesel oil flows into the inside of fuel sprayer housing 1 along baffle 2, rethread oil outlet hole 9 discharges, control servo motor 17 drives water pipe 4 through control switch 16 and rotates, rotate 13 with stud 14 from screw thread groove 12, link 6 is connected with water source 8, water spray hole 8 is rotated to inside the inside of fuel sprayer housing 1, prevent that the water spray hole from piling up, the inside the water spray hole is sprayed out, the inside the scraper blade is prevented from piling up.

The utility model particularly relates to a water conservancy diversion formula fuel sprayer for diesel engine, the even fixedly connected with of outer wall a week of water pipe 4 is a plurality of scrapers 7, scraper 7 all rotates the inside of connecting at fuel sprayer casing 1, the top of water pipe 4 is provided with water route connecting piece 6, the fixed lantern ring 11 of top fixedly connected with of fuel sprayer casing 1, screw thread groove 12 has been seted up to the inside of fixed lantern ring 11, the inside threaded connection of screw thread groove 12 has double-screw bolt 14, the top fixedly connected with top cap 13 of double-screw bolt 14, the middle part fixedly connected with valve rod 15 of top cap 13, the front side middle part fixedly connected with control switch 16 of fixed lantern ring 11, the electricity links to each other between control switch 16 and the servo motor 17, the rear side middle part fixedly connected with handle 10 of fixed lantern ring 11 is convenient for take fuel sprayer casing 1, after the clearance, screw bolt 14 screw into screw thread groove 12 in can carry out subsequent use, the technological effect of being convenient for clear up has been realized, the dismouting of being convenient for more.

The utility model provides a flow guide type oil nozzle for a diesel engine, which has the following working principle:

firstly, diesel oil flows into the oil nozzle shell 1 along the partition plate 2 and the oil inlet hole 3 to flow, is discharged through the oil outlet hole 9, drives the water pipe 4 to rotate through the control switch 16 by controlling the servo motor 17, rotates the top cover 13 to screw out the stud 14 from the thread groove 12, communicates the waterway connecting piece 6 with a water source, the water source flows into the water pipe 4, is sprayed out through the water spraying hole 8, and simultaneously rotates the scraping plate 7 to clean the inside of the oil nozzle shell 1, prevent impurities from accumulating inside, screw the stud 14 into the thread groove 12 after cleaning, and can be used subsequently.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. The utility model provides a water conservancy diversion formula fuel sprayer for diesel engine, includes fuel sprayer casing (1), its characterized in that: the inside top fixedly connected with baffle (2) of fuel sprayer casing (1), a plurality of inlet port (3) have evenly been seted up from inside to outside in the middle part a week of baffle (2), the bottom fixedly connected with servo motor (17) of fuel sprayer casing (1), the drive end fixedly connected with water pipe (4) of servo motor (17), water pipe (4) rotate and connect the inside of fuel sprayer casing (1), water pipe (4) rotate and connect the central point department of baffle (2), a plurality of water spray hole (8) have evenly been seted up to the outer wall a week top-down of water pipe (4), oil outlet (9) have all been seted up to the bottom four sides of fuel sprayer casing (1).

2. A pilot fuel injector for a diesel engine as defined in claim 1, wherein: a plurality of scrapers (7) are uniformly and fixedly connected to the periphery of the outer wall of the water pipe (4), and the scrapers (7) are rotationally connected to the inside of the oil nozzle shell (1).

3. A pilot fuel injector for a diesel engine as defined in claim 2, wherein: the top end of the water pipe (4) is provided with a waterway connecting piece (6).

4. A pilot fuel injector for a diesel engine as defined in claim 2, wherein: the top of fuel sprayer casing (1) fixedly connected with fixed lantern ring (11), screw thread groove (12) have been seted up to the inside of fixed lantern ring (11).

5. A pilot fuel injector for a diesel engine as defined in claim 4, wherein: the inner thread of the thread groove (12) is connected with a stud (14), and the top end of the stud (14) is fixedly connected with a top cover (13).

6. A pilot fuel injector for a diesel engine as defined in claim 5, wherein: the middle part of top cap (13) fixedly connected with valve rod (15).

7. A pilot fuel injector for a diesel engine as defined in claim 4, wherein: the middle part of the front side of the fixed lantern ring (11) is fixedly connected with a control switch (16), and the control switch (16) is electrically connected with a servo motor (17).

8. The pilot fuel injector for a diesel engine of claim 7, wherein: the middle part of the rear side of the fixed lantern ring (11) is fixedly connected with a handle (10).

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