CN219344854U - Fuel injector assembly - Google Patents
Fuel injector assembly Download PDFInfo
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- CN219344854U CN219344854U CN202222942213.9U CN202222942213U CN219344854U CN 219344854 U CN219344854 U CN 219344854U CN 202222942213 U CN202222942213 U CN 202222942213U CN 219344854 U CN219344854 U CN 219344854U
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- needle valve
- valve body
- oil
- fuel injector
- injector assembly
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Abstract
The present utility model provides a fuel injector assembly comprising: a base; the needle valve body is arranged at the bottom of the base, baffles are fixedly arranged on two sides of the needle valve body, and bolts are connected inside the baffles in a sliding manner; the fixing seat is fixedly arranged on one side of the base, the needle valve body is connected to the inner side surface of the fixing seat in a sliding mode, mounting grooves are formed in two ends of one side of the fixing seat, threaded holes are formed in one side of the mounting grooves, the baffle is connected to the inner side surface of the mounting grooves in a sliding mode, and one end of the bolt is connected to the inner side surface of the threaded holes in a threaded mode; and the oil nozzle is arranged at one end of the needle valve body. According to the oil sprayer assembly, through the fixing seat, the mounting groove, the threaded hole, the baffle, the bolt, the fixing ring, the fixing plate and the rotating ring, the oil sprayer assembly is exquisite in structure, small in size, good in performance, low in oil consumption, less in emission, strong in reliability, long in service life and the like.
Description
Technical Field
The utility model relates to the technical field of fuel injectors, in particular to a fuel injector assembly.
Background
The fuel injector is an important component part of a diesel engine, and has the main functions of atomizing high-pressure diesel oil from a fuel injection pump into finer oil particles according to certain requirements, distributing the finer oil particles into a combustion chamber and forming good combustible mixed gas with air, wherein the basic requirements of the fuel injector are as follows: the spray nozzle has certain spray pressure, certain spray angle with certain range, good atomization and no drip phenomenon, and the oil can be rapidly cut off after the oil injection is finished.
However, the existing fuel injector assembly is integrated with the nozzle and the needle valve body, so that the needle valve is inconvenient to precisely process the inside of the needle valve body during production, the needle valve is easy to be damaged by pulling or blocked during movement, fuel injection blocking and poor atomization are caused, and in addition, only one larger spray hole is arranged at the lower end of the needle valve body, so that the atomization quality of fuel injection is improved, and the economy and emission of a diesel engine are affected.
Accordingly, there is a need to provide a fuel injector assembly that addresses the above-described issues.
Disclosure of Invention
The utility model provides an oil sprayer assembly, which solves the problems that the economical efficiency and the emission of a diesel engine are affected due to the adverse effect on improving the atomization quality of oil spraying.
In order to solve the above technical problems, the present utility model provides an oil injector assembly, including:
a base;
the needle valve body is arranged at the bottom of the base, baffles are fixedly arranged on two sides of the needle valve body, and bolts are connected inside the baffles in a sliding manner;
the fixing seat is fixedly arranged on one side of the base, the needle valve body is connected to the inner side surface of the fixing seat in a sliding mode, mounting grooves are formed in two ends of one side of the fixing seat, threaded holes are formed in one side of the mounting grooves, the baffle is connected to the inner side surface of the mounting grooves in a sliding mode, and one end of the bolt is connected to the inner side surface of the threaded holes in a threaded mode;
the oil sprayer, the oil sprayer set up in the one end of needle valve body, the one end fixed mounting of needle valve body has the retainer plate, the medial surface sliding connection of retainer plate has the oil sprayer, the lateral surface fixed mounting of oil sprayer has the fixed plate, the fixed plate set up in one side of retainer plate, the lateral surface threaded connection of retainer plate has the retainer plate, the retainer plate set up in the lateral surface of fixed plate.
Preferably, a sliding cavity is formed in the needle valve body, and the inner side surface of the sliding cavity is connected with the needle valve in a sliding mode.
Preferably, an oil cavity is formed in one end of each of two sides of the sliding cavity, and an oil inlet pipe is formed in one side of the oil cavity.
Preferably, an oil spray pipe is arranged in the oil spray nozzle progenitor, and an oil spray port is arranged at the bottom of one side of the oil spray pipe.
Preferably, the inner side surface of the oil spray pipe of the sliding cavity is communicated.
Preferably, one end of the oil inlet pipe extends to one side of the needle valve body.
Compared with the related art, the oil sprayer assembly provided by the utility model has the following beneficial effects:
the utility model provides an oil sprayer assembly, which is characterized by compact structure, small volume, good performance, low oil consumption, less emission, strong reliability, long service life and the like through a fixed seat, a mounting groove, a threaded hole, a baffle, a bolt, a fixed ring, a fixed plate and a rotating ring.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of a fuel injector assembly according to the present disclosure;
FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;
fig. 3 is an enlarged schematic view of a portion B shown in fig. 1.
Reference numerals in the drawings: 1. the oil injection valve comprises a base, 2, a needle valve body, 21, a sliding cavity, 22, an oil cavity, 23, an oil inlet pipe, 24, a needle valve, 3, an oil injection nozzle, 31, an oil injection pipe, 32, an oil injection port, 4, a fixed seat, 41, a mounting groove, 42, a threaded hole, 43, a baffle, 44, a bolt, 5, a fixed ring, 51, a fixed plate, 52 and a rotating ring.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2 and fig. 3 in combination, fig. 1 is a schematic structural diagram of a first embodiment of a fuel injector assembly according to the present utility model; FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1; fig. 3 is an enlarged schematic view of a portion B shown in fig. 1. A fuel injector assembly comprising: a base 1;
the needle valve body 2 is arranged at the bottom of the base 1, two sides of the needle valve body 2 are fixedly provided with baffle plates 43, and bolts 44 are connected in the baffle plates 43 in a sliding manner;
the fixing seat 4 is fixedly arranged on one side of the base 1, the needle valve body 2 is slidably connected to the inner side surface of the fixing seat 4, mounting grooves 41 are formed in two ends of one side of the fixing seat 4, threaded holes 42 are formed in one side of the mounting grooves 41, the baffle 43 is slidably connected to the inner side surface of the mounting grooves 41, and one end of a bolt 44 is in threaded connection with the inner side surface of the threaded holes 42;
the fuel sprayer 3, the fuel sprayer 3 set up in the one end of needle valve body 2, the one end fixed mounting of needle valve body 2 has retainer plate 5, the medial surface sliding connection of retainer plate 5 has fuel sprayer 3, the lateral surface fixed mounting of fuel sprayer 3 has fixed plate 51, fixed plate 51 set up in one side of retainer plate 5, the lateral surface threaded connection of retainer plate 5 has rotation circle 52, rotation circle 52 set up in the lateral surface of fixed plate 51.
The inside of needle valve body 2 has seted up smooth chamber 21, the medial surface sliding connection of smooth chamber 21 has needle valve 24.
An oil cavity 22 is formed at one end of two sides of the sliding cavity 21, and an oil inlet pipe 23 is formed at one side of the oil cavity 22.
The inside of the oil nozzle ancestor 3 is provided with an oil nozzle 31, and the bottom of one side of the oil nozzle 31 is provided with an oil nozzle 32.
The inner side surface of the oil spray pipe 31 of the sliding cavity 21 is communicated.
One end of the oil inlet pipe 23 extends to one side of the needle valve body 2.
The working principle of the oil sprayer assembly provided by the utility model is as follows:
when in use, a user firstly puts the needle valve 2 on one side of the base 1, then clamps the baffle 43 into the inner side surface of the mounting groove 41, then inserts one end of the bolt 44 into the inner side surface of the threaded hole 42, then rotates the bolt 44 to enable one end of the bolt 44 to be in threaded connection with the inner side surface of the threaded hole 42, puts the oil nozzle bar 31 on the inner side surface of the fixed ring 5, then sleeves the rotating ring 52 on the outer side surface of the oil nozzle 3, then rotates the rotating ring 52 to enable the inner side surface of the rotating ring 52 to be in threaded connection with the outer side surface of the fixed ring 5, and fixes the oil nozzle 3.
Compared with the related art, the oil sprayer assembly provided by the utility model has the following beneficial effects:
through fixing base 4, mounting groove 41, screw hole 42, baffle 43, bolt 44, retainer plate 5, fixed plate 51 and rotation circle 52, make the structure of device exquisite, small, the performance is good, the oil consumption is low, the emission is few, the reliability is strong, advantages such as long service life.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. A fuel injector assembly, comprising:
a base;
the needle valve body is arranged at the bottom of the base, baffles are fixedly arranged on two sides of the needle valve body, and bolts are connected inside the baffles in a sliding manner;
the fixing seat is fixedly arranged on one side of the base, the needle valve body is connected to the inner side surface of the fixing seat in a sliding manner, mounting grooves are formed in two ends of one side of the fixing seat, a threaded hole is formed in one side of the mounting groove, the baffle is connected to the inner side surface of the mounting groove in a sliding manner, and one end of the bolt is connected to the inner side surface of the threaded hole in a threaded manner;
the oil sprayer, the oil sprayer set up in the one end of needle valve body, the one end fixed mounting of needle valve body has the retainer plate, the medial surface sliding connection of retainer plate has the oil sprayer, the lateral surface fixed mounting of oil sprayer has the fixed plate, the fixed plate set up in one side of retainer plate, the lateral surface threaded connection of retainer plate has the retainer plate, the retainer plate set up in the lateral surface of fixed plate.
2. The fuel injector assembly according to claim 1, wherein a sliding cavity is formed in the needle valve body, and a needle valve is slidably connected to an inner side surface of the sliding cavity.
3. The fuel injector assembly according to claim 2, wherein one end of each of two sides of the sliding cavity is provided with an oil cavity, and one side of the oil cavity is provided with an oil inlet pipe.
4. A fuel injector assembly according to claim 3, wherein the fuel injector is provided with a fuel injection pipe in the fuel injector, and the bottom of one side of the fuel injection pipe is provided with a fuel injection port.
5. A fuel injector assembly as claimed in claim 4 wherein said slide cavity is formed through an inner surface of said fuel injector tube.
6. The fuel injector assembly of claim 5, wherein one end of said fuel inlet tube extends to one side of the needle valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222942213.9U CN219344854U (en) | 2022-11-05 | 2022-11-05 | Fuel injector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222942213.9U CN219344854U (en) | 2022-11-05 | 2022-11-05 | Fuel injector assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219344854U true CN219344854U (en) | 2023-07-14 |
Family
ID=87100877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222942213.9U Active CN219344854U (en) | 2022-11-05 | 2022-11-05 | Fuel injector assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219344854U (en) |
-
2022
- 2022-11-05 CN CN202222942213.9U patent/CN219344854U/en active Active
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