CN106939864A - A kind of fuel injector adaptive device of adjustable angle - Google Patents

A kind of fuel injector adaptive device of adjustable angle Download PDF

Info

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
Authority
CN
China
Prior art keywords
fuel injector
adapter
spherical
gland
adaptive device
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
Application number
CN201710179413.4A
Other languages
Chinese (zh)
Inventor
李铁
周昕毅
张志飞
陈桢皓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Jiaotong University
Original Assignee
Shanghai Jiaotong University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Jiaotong University filed Critical Shanghai Jiaotong University
Priority to CN201710179413.4A priority Critical patent/CN106939864A/en
Publication of CN106939864A publication Critical patent/CN106939864A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/14Arrangements of injectors with respect to engines; Mounting of injectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M65/00Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
    • F02M65/001Measuring fuel delivery of a fuel injector
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00Testing of engines
    • G01M15/04Testing internal-combustion engines

Landscapes

  • 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

A kind of fuel injector adaptive device of adjustable angle
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.
CN201710179413.4A 2017-03-23 2017-03-23 A kind of fuel injector adaptive device of adjustable angle Pending CN106939864A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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
CN201710179413.4A CN106939864A (en) 2017-03-23 2017-03-23 A kind of fuel injector adaptive device of adjustable angle

Publications (1)

Publication Number Publication Date
CN106939864A true CN106939864A (en) 2017-07-11

Family

ID=59463601

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710179413.4A Pending CN106939864A (en) 2017-03-23 2017-03-23 A kind of fuel injector adaptive device of adjustable angle

Country Status (1)

Country Link
CN (1) CN106939864A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
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

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096998A (en) * 1976-04-30 1978-06-27 Warszawskie Zaklady Mechaniczne Pzl-Wzm Fuel injector
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
CN106286059A (en) * 2016-09-13 2017-01-04 中国北方发动机研究所(天津) A kind of fuel injector for internal combustion engines locating sleeve structure

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096998A (en) * 1976-04-30 1978-06-27 Warszawskie Zaklady Mechaniczne Pzl-Wzm Fuel injector
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
CN202789272U (en) * 2012-09-18 2013-03-13 山东科技大学 Fuel injector clamping device
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
CN106286059A (en) * 2016-09-13 2017-01-04 中国北方发动机研究所(天津) A kind of fuel injector for internal combustion engines locating sleeve structure
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
郭涛: "预燃式定容燃烧弹的研制与喷雾特性研究", 《机电一体化》 *

Cited By (7)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN106939864A (en) A kind of fuel injector adaptive device of adjustable angle
CN107084848A (en) A kind of visual HTHP burner
CN106968858A (en) A kind of inclined hole fuel injector adapter apparatus of adjustable injection direction
CN108131513B (en) A kind of new-energy automobile flange
CN106574588A (en) End-sealing structure for fuel rail for gasoline direct injection engine
CN102313096A (en) Reverse spherical surface type rotary joint
CN103670767B (en) A kind of movable type cylinder jacket for optical engine
CN203584589U (en) Movable cylinder liner for optical engine
CN203441659U (en) Oil injector assembly embedded into cylinder cover of diesel engine and used for injecting and returning oil
CN214836742U (en) Equipment part for rigid sealing of shafts
CN209100820U (en) A kind of high-pressure quick joint for oil pipe
CN203362368U (en) Installation mechanism for fuel injector of engine
CN206694164U (en) Discharge diesel engine high-pressure fuel conduit in a kind of Europe six
CN202673471U (en) Novel cylinder cover water outlet pipe
CN215489722U (en) Gas burner convenient to maintenance
CN211060110U (en) Adjustable gas burner
CN204572164U (en) The gas exhaust manifold of automobile
CN211975070U (en) Variable geometry mixed flow turbocharger air-entraining sealing device
CN2809399Y (en) Insulating joint
CN103397965A (en) Engine oil atomizer installation structure
CN112628500B (en) Flange
CN209856568U (en) Internal combustion engine air inlet connecting pipe with pressure stabilizing cavity
CN202746584U (en) Conical inner pressure sealing device of boiler minor-caliber header
CN210290343U (en) Durable hydraulic cylinder
CN210424099U (en) Water hose connector capable of being connected with fire hose quickly

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20170711