CN109296487A - Fuel injector installation positioning tool - Google Patents
Fuel injector installation positioning tool Download PDFInfo
- Publication number
- CN109296487A CN109296487A CN201811347574.0A CN201811347574A CN109296487A CN 109296487 A CN109296487 A CN 109296487A CN 201811347574 A CN201811347574 A CN 201811347574A CN 109296487 A CN109296487 A CN 109296487A
- Authority
- CN
- China
- Prior art keywords
- fuel injector
- section
- internal thread
- positioning tool
- positioning
- 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 30
- 238000009434 installation Methods 0.000 title abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000010761 intermediate fuel oil Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The utility model provides a sprayer installation location frock, is including mounting flange (1), location section (2), linkage segment (3) and internal thread section (4) that connect gradually, internal thread section (4) and sprayer (5) oil feed joint cooperate, location section (2) cooperate with cylinder cap long nut mounting hole (6). The circumferential effective positioning of the engine fuel injector (5) is realized, so that the problem of fuel leakage in the later assembling and maintaining and disassembling process is effectively reduced.
Description
Technical field
The present invention relates to a kind of installation positioning tool, more specifically to a kind of fuel injector installs positioning tool, belongs to
Engine and related system technical field.
Background technique
Fuel injector is the core component in large diesel engine super-pressure fuel system, when fuel injector is installed at present, circumferential direction
Position is determined with the feeling of employee and previous assembly experience entirely, to will cause the micro rotation of fuel injector circumferential position, finally
It is not able to satisfy standard requirements.The phenomenon that so as to cause will appear high-pressure oil pipe and fuel injector assembly seal failure；Vehicle is long-term
Use process in, just will appear high-pressure oil pipe diesel oil leakage, ultimately cause baked wheaten cake vehicle, greatly influence vehicle product quality.
A kind of Chinese invention patent application " fuel injector for internal combustion engines locating sleeve structure " (application number: 201610820737.7, public
The number of opening: CN106286059A) a kind of fuel injector for internal combustion engines locating sleeve structure is disclosed, including the cylindrical positioning with ring flange
Sleeve, locking nut and fixing bolt, there are fuel injector nozzle outlet, the other end is to open for one end of the cylindrical positioning sleeve cylinder
Mouthful, and the uniformly distributed several threaded body protrusions along cylinder axial direction in open end, the section of the threaded body protrusion is in back taper, the spiral shell
The outside of line body protrusion is equipped with screw thread；The internal screw thread of the locking nut and the screw thread of the cylindrical positioning sleeve cylinder match；
The fixing bolt is used to that locating sleeve structure is fixed on cylinder cap by the through-hole on the ring flange of cylindrical positioning sleeve cylinder.It should
Application for a patent for invention structure is simple, can realize installation of the fuel injector on cylinder cap in the case where occupying little space.
But the application for a patent for invention has the disadvantage that spaces compact on 1, cylinder cap, can not design reasonable positioning tool；2, should
Accessory is positioned firstly the need of self-positioning, cylinder cap upper end can not provide positioning datum.
Summary of the invention
It is an object of the invention to provide one kind for above-mentioned technical problem existing for existing fuel injector locating sleeve structure
Fuel injector installs positioning tool.
To achieve the above object, the technical solution of the invention is as follows: a kind of fuel injector installation positioning tool, including successively
Mounting flange, positioning section, linkage section and the internal thread segment of connection, the internal thread segment are matched with fuel injector fuel inlet fitting,
The positioning section is matched with cylinder cap long nut mounting hole.
Compared with prior art, the beneficial effects of the present invention are:
1, overall structure of the present invention is simple, and the design of densification location and installation meets spaces compact demand on cylinder cap.
2, the present invention can be realized engine fuel injector circumferential direction effective position, to effectively reduce later period I& M
Disassembly process intermediate fuel oil leakage problem.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is that the present invention installs and uses figure.
In figure: mounting flange 1, positioning section 2, linkage section 3, internal thread segment 4, fuel injector 5, cylinder cap long nut mounting hole 6.
Specific embodiment
Below in conjunction with Detailed description of the invention and specific embodiment, the present invention is described in further detail.
Referring to Fig. 1 to Fig. 2, a kind of fuel injector installs positioning tool, including sequentially connected mounting flange 1, positioning section 2,
Linkage section 3 and internal thread segment 4.The mounting flange 1 is connect with sleeve or open-end wrench, and the positioning section 2 and cylinder cap are long
Nut mounting hole 6 matches positioning, the internal thread segment 4 and the fixation in mating connection of 5 fuel inlet fitting of fuel injector.
Referring to Fig. 1 to Fig. 2, during location and installation fuel injector 5, make the positioning section 2 and the long spiral shell of cylinder cap of this positioning tool
Female mounting hole 6 is mutually located, fuel injector 5 is carried out it is accurate circumferentially positioned, so that it is guaranteed that fuel injector 5 reaches skill in the position of assembly
Art required standard；And then the phenomenon that avoiding high-pressure oil pipe installation interference, improve the service life and runnability of engine.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, and above structure all shall be regarded as belonging to
Protection scope of the present invention.
Claims (1)
1. a kind of fuel injector installs positioning tool, it is characterised in that: including sequentially connected mounting flange (1), positioning section (2),
Linkage section (3) and internal thread segment (4), the internal thread segment (4) are matched with fuel injector (5) fuel inlet fitting, the positioning
Section (2) is matched with cylinder cap long nut mounting hole (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811347574.0A CN109296487A (en) | 2018-11-13 | 2018-11-13 | Fuel injector installation positioning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811347574.0A CN109296487A (en) | 2018-11-13 | 2018-11-13 | Fuel injector installation positioning tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109296487A true CN109296487A (en) | 2019-02-01 |
Family
ID=65146543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811347574.0A Pending CN109296487A (en) | 2018-11-13 | 2018-11-13 | Fuel injector installation positioning tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109296487A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150327A (en) * | 2018-01-11 | 2018-06-12 | 东风商用车有限公司 | Connection structure of oil sprayer and high-pressure oil pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012012422A1 (en) * | 2012-06-22 | 2013-12-24 | Daimler Ag | Fastening arrangement for fastening fuel line to injector, has passage opening that is conically formed in longitudinal extension direction of fuel line in subarea |
| US9863384B1 (en) * | 2016-05-10 | 2018-01-09 | Fairbanks Morse, Llc | Fuel injector mounting system for mounting an injector to an engine cylinder liner |
| CN108150327A (en) * | 2018-01-11 | 2018-06-12 | 东风商用车有限公司 | Connection structure of oil sprayer and high-pressure oil pipe |
| CN207960816U (en) * | 2018-01-11 | 2018-10-12 | 东风商用车有限公司 | Connection structure of oil sprayer and high-pressure oil pipe |
| CN209354284U (en) * | 2018-11-13 | 2019-09-06 | 东风商用车有限公司 | Fuel injector installation positioning tool |
-
2018
- 2018-11-13 CN CN201811347574.0A patent/CN109296487A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012012422A1 (en) * | 2012-06-22 | 2013-12-24 | Daimler Ag | Fastening arrangement for fastening fuel line to injector, has passage opening that is conically formed in longitudinal extension direction of fuel line in subarea |
| US9863384B1 (en) * | 2016-05-10 | 2018-01-09 | Fairbanks Morse, Llc | Fuel injector mounting system for mounting an injector to an engine cylinder liner |
| CN108150327A (en) * | 2018-01-11 | 2018-06-12 | 东风商用车有限公司 | Connection structure of oil sprayer and high-pressure oil pipe |
| CN207960816U (en) * | 2018-01-11 | 2018-10-12 | 东风商用车有限公司 | Connection structure of oil sprayer and high-pressure oil pipe |
| CN209354284U (en) * | 2018-11-13 | 2019-09-06 | 东风商用车有限公司 | Fuel injector installation positioning tool |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150327A (en) * | 2018-01-11 | 2018-06-12 | 东风商用车有限公司 | Connection structure of oil sprayer and high-pressure oil pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190201 |
|
| RJ01 | Rejection of invention patent application after publication |