CN106939864A - A kind of fuel injector adaptive device of adjustable angle - Google Patents
A kind of fuel injector adaptive device of adjustable angle Download PDFInfo
- Publication number
- CN106939864A CN106939864A CN201710179413.4A CN201710179413A CN106939864A CN 106939864 A CN106939864 A CN 106939864A CN 201710179413 A CN201710179413 A CN 201710179413A CN 106939864 A CN106939864 A CN 106939864A
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- CN
- China
- Prior art keywords
- fuel injector
- adapter
- spherical
- gland
- adaptive device
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- 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.)
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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
-
- 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
- F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
- F02M65/001—Measuring fuel delivery of a fuel injector
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses a kind of fuel injector adaptive device of adjustable angle, including firebomb main body, fuel injector assembly, spherical fuel injector adapter gland, body adapter and O-ring seal;Pass through using cooperatively for spherical fuel injector adapter, spherical fuel injector adapter gland and body adapter, 360 degree of scope wide-angle regulations of fuel injector can be realized, ensure good sealing simultaneously, so as to solve the problems such as traditional constant volume bullet fuel injector adaptive device fuel injector setting angle is single, fuel injector sealing is poor.This invention takes the modularized design of fuel injector, dismounting frequency and the set-up time of fuel injector are reduced, damage of the fuel injector in installation process is effectively avoided, improves the service life of fuel injector adaptive device, while reducing the replacement frequency of gasket seal.The present invention is simple in construction, and processing cost is low, when changing the fuel injector of different model, only need to change spherical fuel injector adapter and fuel injector gland.
Description
Technical field
Field is researched and developed the present invention relates to direct fuel-injection engine, and in particular to the fuel injector to a kind of adjustable angle is adapted to
Device.
Background technology
Increasingly serious energy crisis and the discharge standard improved constantly propose new challenge to diesel engine technologies,
The processes such as spraying, diffusion, evaporation, burning in cylinder of diesel engine are special for the dynamic property of whole diesel engine, economy and discharge
Property has vital influence.In order to fully excavate the burning potentiality of Diesel engine, study its spraying, evaporation, burning etc.
Process, a set of visual burner is essential.Current various countries' Scientific Research in University Laboratory and research institute mainly using constant volume bullet come
The spray burning process of Diesel engine is studied, because the injection pressure of fuel injector is high, seal and installation difficulty, therefore fuel injector
Sealing installation question turn into constant volume bullet design core.Although however, it is domestic have more sealed on constant volume bullet and fuel injector
The document and patent of installation, but all have that fuel injector setting angle is single, fuel injector sealing is poor, need frequently dismounting fuel injector
The problems such as.
The content of the invention
For above-mentioned technical problem, it is an object of the invention to provide a kind of fuel injector adaptive device of adjustable angle, solution
Certainly traditional constant volume bullet fuel injector adaptive device fuel injector setting angle is single, fuel injector sealing is poor, need frequently dismounting oil spout
The problems such as device.
To achieve the above object, the present invention is realized according to following technical scheme:
A kind of fuel injector adaptive device of adjustable angle, including firebomb main body, fuel injector assembly, spherical fuel injector are suitable
Orchestration gland, body adapter and O-ring seal, are fixedly connected and lead between the body adapter and the firebomb main body
Cross the O-ring seal and realize sealing, the spherical fuel injector adapter gland is by the fuel injector assembly and the body
Adapter is fastened;
The fuel injector assembly includes fuel injector, fuel injector gland, spherical fuel injector adapter and red copper pad, its
In, the fuel injector is vertically arranged with the fuel injector gland, and the fuel injector is compressed by the fuel injector gland;The spray
Oily device is realized by the red copper pad with the spherical fuel injector adapter and sealed.
In above-mentioned technical proposal, four interchangeable optical windows are symmetrically installed with the circumference of the firebomb main body.
In above-mentioned technical proposal, the outer shape of the spherical fuel injector adapter is the symmetrical excision two-part drum of spheroid
Shape.
In above-mentioned technical proposal, it is bolted to connection between the body adapter and firebomb main body.
In above-mentioned technical proposal, the contact surface of the spherical fuel injector adapter gland and the spherical fuel injector adapter
Place has identical curvature.
In above-mentioned technical proposal, the body adapter is the conical surface with the contact surface of the spherical fuel injector adapter.
In above-mentioned technical proposal, angle is adjusted in the range of the fuel injector in the horizontal plane 360 degree.Above-mentioned technical proposal
In, when the fuel injector is installed on any angle, between spherical the fuel injector adapter and body adapter all the time by
Bulb conical surface seal.
The present invention compared with prior art, has the advantages that:
A kind of fuel injector adaptive device for adjustable angle that the present invention is designed passes through spherical fuel injector adapter, spherical oil spout
Using cooperatively for device adapter gland and body adapter, realizes 360 degree of scope wide-angles regulations of fuel injector, while ensureing good
Sealing;So as to observation spraying and combustion characteristics under different fuel injector setting angles.
In addition, this invention takes the modularized design of fuel injector, dismounting frequency and the set-up time of fuel injector are reduced,
Damage of the fuel injector in installation process effectively is avoided, the service life of fuel injector adaptive device is improved, reduced simultaneously
The replacement frequency of gasket seal.
Again this, the characteristics of fuel injector adaptive device that designs of the present invention has simple in construction is changing the spray of different model
During oily device, it is only necessary to change spherical fuel injector adapter and fuel injector gland.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the profile of the fuel injector adaptive device of the adjustable angle of the present invention;
Fig. 2 is the profile of the fuel injector assembly of the present invention;
The design sketch that Fig. 3 is set for the position of the fuel injector assembly of the present invention;
Another design sketch that Fig. 4 is set for the position of the fuel injector assembly of the present invention.
Wherein, 1- firebombs main body;2- fuel injector assemblies;The spherical fuel injector adapter glands of 3-;4- body adapters;
5-O type sealing rings;6- fuel injectors;7- fuel injector glands;The spherical fuel injector adapters of 8-;9- red copper pads.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.
Fig. 1 for the fuel injector adaptive device of the adjustable angle of the present invention profile, a kind of adjustable angle of the invention
Fuel injector adaptive device, including firebomb main body 1, fuel injector assembly 2, spherical fuel injector adapter gland 3, body adapter
4 and O-ring seal 5, it is fixedly connected and is realized by O-ring seal 5 between body adapter 4 and firebomb main body 1 and seals, ball
Shape fuel injector adapter gland 3 fastens fuel injector assembly 2 with body adapter 4.
Four interchangeable optical windows are symmetrically installed with the circumference of firebomb main body 1.The top of firebomb main body 1 is circumferential
16 M16 screwed holes are provided with, for the fixation of firebomb main body 1 and body adapter 4, are bolted to connection, its pretension
Power is provided by bolt.
Spherical fuel injector adapter gland 3 at the contact surface of spherical fuel injector adapter 8 with having identical curvature, with this
Ensure that fuel injector adapter gland 3 is brought into close contact with spherical fuel injector adapter 8;Spherical fuel injector adapter gland 3 is circumferential to be opened
There is 12 diameter 14mm through hole, realized and fixed by 12 M12 bolts and body adapter 4, its pretightning force is provided by bolt.
Body adapter 4 is the conical surface with the contact surface of spherical fuel injector adapter 8.Wherein it is possible to be 60 degree of conical surfaces, with this
Ensure that fuel injector is installed under any angle, the sealing means between spherical the fuel injector adapter and body adapter are all the time
For bulb conical surface seal, its pretightning force acts on spherical fuel injector adapter gland 3 by 12 M12 bolts and provided;The body
Realized and sealed by O-ring seal between adapter 4 and firebomb main body 1, the body adapter is circumferentially provided with 16 diameters
18mm through hole, is realized by 16 M16 bolts and firebomb main body 1 and fixed.
Fig. 2 is the profile of the fuel injector assembly of the present invention, as shown in Fig. 2 fuel injector assembly 2 is specially designed,
Modularization can be achieved to install and dismantle, including fuel injector 6, fuel injector gland 7, spherical fuel injector adapter 8 and red copper pad 9,
Wherein, fuel injector 6 is vertically arranged with fuel injector gland 7, and the fuel injector 6 is compressed by fuel injector gland 7;Fuel injector 6 and ball
Shape fuel injector adapter 8 realizes and sealed that its pretightning force acts on fuel injector gland 7 by two M10 bolts and carried by red copper pad 9
For.The outer shape of spherical fuel injector adapter 8 is the symmetrical excision two-part drum type of spheroid.
As shown in Figure 3 and Figure 4, angle is adjusted in the range of the fuel injector 6 in the horizontal plane 360 degree.In fuel injector peace
During loaded on any angle, all the time by bulb conical surface seal between spherical fuel injector adapter 8 and body adapter 4.
Although above with general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (8)
1. the fuel injector adaptive device of a kind of adjustable angle, it is characterised in that including firebomb main body (1), fuel injector assembly
(2), spherical fuel injector adapter gland (3), body adapter (4) and O-ring seal (5), the body adapter (4) and institute
To state be fixedly connected between firebomb main body (1) and realize by the O-ring seal (5) and seal, the spherical fuel injector adaptation
Device gland (3) fastens the fuel injector assembly (2) and the body adapter (4);
The fuel injector assembly (2) includes fuel injector (6), fuel injector gland (7), spherical fuel injector adapter (8) and red copper
Pad (9), wherein, the fuel injector (6) is vertically arranged with the fuel injector gland (7), is pressed by the fuel injector gland (7)
The tight fuel injector (6);The fuel injector (6) is realized with the spherical fuel injector adapter (8) by the red copper pad (9)
Sealing.
2. the fuel injector adaptive device of a kind of adjustable angle according to claim 1, it is characterised in that in the firebomb
The circumference of main body (1) is symmetrically installed with four interchangeable optical windows.
3. a kind of fuel injector adaptive device of adjustable angle according to claim 1, it is characterised in that the spherical oil spout
The outer shape of device adapter (8) is the symmetrical excision two-part drum type of spheroid.
4. a kind of fuel injector adaptive device of adjustable angle according to claim 1, it is characterised in that the body adaptation
It is bolted to connection between device (4) and firebomb main body (1).
5. a kind of fuel injector adaptive device of adjustable angle according to claim 3, it is characterised in that the spherical oil spout
Device adapter gland (3) at the contact surface of the spherical fuel injector adapter (8) with having identical curvature.
6. a kind of fuel injector adaptive device of adjustable angle according to claim 1, it is characterised in that the body adaptation
Device (4) is the conical surface with the contact surface of the spherical fuel injector adapter (8).
7. a kind of fuel injector adaptive device of adjustable angle according to claim 1, it is characterised in that the fuel injector
(6) angle is adjusted in the range of 360 degree in the horizontal plane.
8. the fuel injector adaptive device of a kind of adjustable angle according to claim 6, it is characterised in that in the fuel injector
It is close all the time by the bulb conical surface between the spherical fuel injector adapter (8) and body adapter (4) when being installed on any angle
Envelope.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710179413.4A CN106939864A (en) | 2017-03-23 | 2017-03-23 | A kind of fuel injector adaptive device of adjustable angle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710179413.4A CN106939864A (en) | 2017-03-23 | 2017-03-23 | A kind of fuel injector adaptive device of adjustable angle |
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Publication Number | Publication Date |
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CN106939864A true CN106939864A (en) | 2017-07-11 |
Family
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Family Applications (1)
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CN201710179413.4A Pending CN106939864A (en) | 2017-03-23 | 2017-03-23 | A kind of fuel injector adaptive device of adjustable angle |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107605634A (en) * | 2017-08-15 | 2018-01-19 | 江苏大学 | A kind of diesel/natural gas dual-fuel directly spray device |
CN109538390A (en) * | 2017-09-21 | 2019-03-29 | 北京比特英泰动力技术有限公司 | A kind of oily beam radical occlusion device of multiple orifice nozzle |
CN112834231A (en) * | 2020-12-31 | 2021-05-25 | 华中科技大学 | Atomizing, combustion and emission characteristic experiment device and method for collision spraying |
CN114810446A (en) * | 2022-04-11 | 2022-07-29 | 哈尔滨工程大学 | Adjustable adapter device of sprayer based on constant volume bullet |
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CN101943097A (en) * | 2010-09-03 | 2011-01-12 | 北京航空航天大学 | Atomizing test constant-volume elastomer |
CN202789272U (en) * | 2012-09-18 | 2013-03-13 | 山东科技大学 | Fuel injector clamping device |
CN103180602A (en) * | 2010-11-03 | 2013-06-26 | 罗伯特·博世有限公司 | Variable injector holder |
CN104405553A (en) * | 2014-11-19 | 2015-03-11 | 江苏大学 | Measuring device for oil injection rule of each hole of oil injection nozzle of diesel engine |
CN204553037U (en) * | 2015-01-30 | 2015-08-12 | 奇瑞汽车股份有限公司 | A kind of constant volume bullet oil sprayer gondola and fixed mechanism thereof |
CN106285956A (en) * | 2016-10-09 | 2017-01-04 | 中科合肥微小型燃气轮机研究院有限责任公司 | A kind of combination type scalable igniter |
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CN101943097A (en) * | 2010-09-03 | 2011-01-12 | 北京航空航天大学 | Atomizing test constant-volume elastomer |
CN103180602A (en) * | 2010-11-03 | 2013-06-26 | 罗伯特·博世有限公司 | Variable injector holder |
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CN204553037U (en) * | 2015-01-30 | 2015-08-12 | 奇瑞汽车股份有限公司 | A kind of constant volume bullet oil sprayer gondola and fixed mechanism thereof |
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CN106285956A (en) * | 2016-10-09 | 2017-01-04 | 中科合肥微小型燃气轮机研究院有限责任公司 | A kind of combination type scalable igniter |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107605634A (en) * | 2017-08-15 | 2018-01-19 | 江苏大学 | A kind of diesel/natural gas dual-fuel directly spray device |
CN107605634B (en) * | 2017-08-15 | 2019-08-02 | 江苏大学 | A kind of diesel/natural gas dual-fuel directly spray device |
CN109538390A (en) * | 2017-09-21 | 2019-03-29 | 北京比特英泰动力技术有限公司 | A kind of oily beam radical occlusion device of multiple orifice nozzle |
CN112834231A (en) * | 2020-12-31 | 2021-05-25 | 华中科技大学 | Atomizing, combustion and emission characteristic experiment device and method for collision spraying |
CN112834231B (en) * | 2020-12-31 | 2022-03-29 | 华中科技大学 | Atomizing, combustion and emission characteristic experiment device and method for collision spraying |
CN114810446A (en) * | 2022-04-11 | 2022-07-29 | 哈尔滨工程大学 | Adjustable adapter device of sprayer based on constant volume bullet |
CN114810446B (en) * | 2022-04-11 | 2022-11-01 | 哈尔滨工程大学 | Adjustable adapter device of sprayer based on constant volume bullet |
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Application publication date: 20170711 |