CN214741785U - Fuel injector compression nut - Google Patents
Fuel injector compression nut Download PDFInfo
- Publication number
- CN214741785U CN214741785U CN202120668153.9U CN202120668153U CN214741785U CN 214741785 U CN214741785 U CN 214741785U CN 202120668153 U CN202120668153 U CN 202120668153U CN 214741785 U CN214741785 U CN 214741785U
- Authority
- CN
- China
- Prior art keywords
- contact surface
- fixed main
- main part
- fuel injector
- compression nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a fuel injector gland nut, including fixed main part, the upper portion of fixed main part is provided with the erection joint section, the last fixed surface of erection joint section is connected with the terminal surface layer body, the surface of fixed main part is provided with the recess, the inside of fixed main part is provided with the mounting hole, the inner wall of fixed main part is provided with connecting thread, the inside of fixed main part is provided with first contact surface, second contact surface. The utility model discloses in, set up the terminal surface layer body, erection joint section, first contact surface, second contact surface, the laminating is inseparable when the terminal surface layer body guarantees the installation of fixed main part, and the erection joint end is conveniently installed, is dismantled, and first contact surface, second contact surface, dual contact surface improve holistic shock resistance, increase of service life through mutually supporting of terminal surface layer body, first contact surface, second contact surface, has reached convenient dismantlement, installation, uses more durable purpose.
Description
Technical Field
The utility model relates to a gland nut technical field especially relates to a fuel injector gland nut.
Background
The oil injector is a precision device with very high processing precision, and is required to have a large dynamic flow range, strong anti-blocking and anti-pollution capacity and good atomization performance. The fuel injector receives the fuel injection pulse signal sent by the ECU and accurately controls the fuel injection quantity. The spray characteristics of the fuel injector include the atomized particle size, the oil mist distribution, the oil beam direction, the range and the diffusion cone angle, which are in accordance with the requirements of the combustion system of the diesel engine, so that the mixture is formed and combusted perfectly, and higher power and thermal efficiency are obtained, and the compression nut is very important for the fuel injector.
The compression nut is under certain pressure in the action of oil injection, and most stress surfaces of the existing compression nuts are single, so that the service life is short, and the compression nuts are not convenient to disassemble and install.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a fuel injector gland nut.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a fuel injector compression nut comprises a fixed main body, wherein the upper part of the fixed main body is provided with an installation connecting section, the upper surface of the installation connecting section is fixedly connected with an end surface layer body, and the outer surface of the fixed main body is provided with a groove;
the inside of fixed main part is provided with the mounting hole, the inner wall of fixed main part is provided with connecting thread, the inside of fixed main part is provided with first contact surface, second contact surface.
As a further description of the above technical solution:
the cross section of the installation connecting section is hexagonal, and the cross section of the end surface layer body is circular.
As a further description of the above technical solution:
the groove is positioned below the mounting connection section.
As a further description of the above technical solution:
the shape of the groove is circular ring.
As a further description of the above technical solution:
the second contact surface is positioned above the first contact surface.
As a further description of the above technical solution:
the first contact surface is located above the connecting thread.
As a further description of the above technical solution:
the second contact surface is located inside the first contact surface.
As a further description of the above technical solution:
the connecting thread is located at the lower part of the fixing body.
The utility model discloses following beneficial effect has:
compared with the prior art, this sprayer gland nut has set up terminal surface layer body, erection joint section, first contact surface, second contact surface, and the laminating is inseparable when the fixed main part installation is guaranteed to the terminal surface layer body, and erection joint end conveniently installs, dismantles, and first contact surface, second contact surface, dual contact surface improve holistic shock resistance, increase of service life.
Drawings
Fig. 1 is a schematic structural view of a fuel injector compression nut according to the present invention;
fig. 2 is a schematic view of a fuel injector compression nut according to the present invention;
fig. 3 is a cross-sectional view of a fuel injector compression nut according to the present invention;
fig. 4 is a bottom view of the fuel injector compression nut according to the present invention.
Illustration of the drawings:
1. mounting holes; 2. installing a connecting section; 3. a groove; 4. a fixed body; 5. an end face layer body; 6. connecting threads; 7. a first contact surface; 8. a second contact surface.
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. 1-4, the present invention provides an embodiment: a fuel injector gland nut comprises a fixed main body 4, wherein an installation connecting section 2 is arranged at the upper part of the fixed main body 4, the cross section of the installation connecting section 2 is hexagonal, and is convenient to install and disassemble, an end surface layer body 5 is fixedly connected to the upper surface of the installation connecting section 2, the fixed main body 4 is ensured to be tightly attached during installation, the cross section of the end surface layer body 5 is annular, a groove 3 is arranged on the outer surface of the fixed main body 4, the groove 3 is positioned below the installation connecting section 2, the groove 3 is annular, and the tight attachment is ensured during installation, so that the condition of loose connection is avoided;
the inside of fixed main part 4 is provided with mounting hole 1, the inner wall of fixed main part 4 is provided with connecting thread 6, connecting thread 6 is located the lower part of fixed main part 4, the inside of fixed main part 4 is provided with first contact surface 7, second contact surface 8 is located the top of first contact surface 7, first contact surface 7 is located connecting thread 6's top, second contact surface 8 is located the inboard of first contact surface 7, second contact surface 8, provide dual contact surface, improve holistic shock resistance, and service life is prolonged.
The working principle is as follows: install through erection joint section 2, the good terminal surface laminating effect is guaranteed to the terminal surface layer body 5, and first contact surface 7, second contact surface 8 provide dual contact surface, improve holistic shock resistance, increase of service life.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. A fuel injector compression nut, includes fixed main part (4), its characterized in that: the upper part of the fixed main body (4) is provided with an installation connecting section (2), the upper surface of the installation connecting section (2) is fixedly connected with an end surface layer body (5), and the outer surface of the fixed main body (4) is provided with a groove (3);
the fixing device is characterized in that a mounting hole (1) is formed in the fixing body (4), connecting threads (6) are arranged on the inner wall of the fixing body (4), and a first contact surface (7) and a second contact surface (8) are arranged in the fixing body (4).
2. The fuel injector compression nut of claim 1, further comprising: the cross section of the installation connecting section (2) is hexagonal, and the cross section of the end surface layer body (5) is circular.
3. The fuel injector compression nut of claim 1, further comprising: the groove (3) is positioned below the mounting and connecting section (2).
4. The fuel injector compression nut of claim 1, further comprising: the groove (3) is in a ring shape.
5. The fuel injector compression nut of claim 1, further comprising: the second contact surface (8) is located above the first contact surface (7).
6. The fuel injector compression nut of claim 1, further comprising: the first contact surface (7) is located above the connecting thread (6).
7. The fuel injector compression nut of claim 1, further comprising: the second contact surface (8) is located inside the first contact surface (7).
8. The fuel injector compression nut of claim 1, further comprising: the connecting thread (6) is positioned at the lower part of the fixed main body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120668153.9U CN214741785U (en) | 2021-04-01 | 2021-04-01 | Fuel injector compression nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120668153.9U CN214741785U (en) | 2021-04-01 | 2021-04-01 | Fuel injector compression nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214741785U true CN214741785U (en) | 2021-11-16 |
Family
ID=78599448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120668153.9U Active CN214741785U (en) | 2021-04-01 | 2021-04-01 | Fuel injector compression nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214741785U (en) |
-
2021
- 2021-04-01 CN CN202120668153.9U patent/CN214741785U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214741785U (en) | Fuel injector compression nut | |
| CN101275525B (en) | Gasoline engine high pressure oil rail | |
| CN111365150A (en) | Motorcycle electronic injection air intake manifold | |
| CN203441659U (en) | Oil injector assembly embedded into cylinder cover of diesel engine and used for injecting and returning oil | |
| CN214741784U (en) | Improved automobile oil sprayer body | |
| CN107676198B (en) | Mounting structure of fuel gas injection valve of engine | |
| CN113250879A (en) | Fuel injector cup unit for connecting fuel injection pipe and manufacturing method thereof | |
| CN217761167U (en) | Dismantle convenient sprayer needle valve idol piece structure | |
| CN203050906U (en) | Cylinder inside direct-injection gasoline-engine piston | |
| CN220248215U (en) | Fuel nozzle with strong sealing performance | |
| CN209414026U (en) | A kind of marine low speed diesel engine test fuel injector sealing structure | |
| CN219082523U (en) | Automobile air inlet pipeline connecting flange | |
| CN214464619U (en) | Wear-resistant leak-proof oil sprayer | |
| CN220633059U (en) | Bubble cap structure of tray | |
| CN208330598U (en) | Electric-controlling injection system in a kind of cylinder cover for diesel engine | |
| CN217270561U (en) | Novel fuel pressure accumulator for single-cylinder diesel engine | |
| CN219327585U (en) | High-pressure oil pipe with metal vibration reduction block | |
| CN214404273U (en) | Pin shaft for spray gun locking device | |
| CN209724507U (en) | The fixed cylinder head of single hole | |
| CN210769049U (en) | Easily assemble high accuracy diesel engine | |
| CN216590990U (en) | Oil atomizer | |
| CN214255061U (en) | Corrosion-resistant film shielding case with high ignition efficiency | |
| CN211573670U (en) | Fuel filter | |
| CN210769055U (en) | Diesel engine with high combustion rate | |
| CN216811947U (en) | Fuel injector gasket and engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |