CN106762266A - Methyl alcohol injector protection device - Google Patents

Methyl alcohol injector protection device Download PDF

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Publication number
CN106762266A
CN106762266A CN201611249767.3A CN201611249767A CN106762266A CN 106762266 A CN106762266 A CN 106762266A CN 201611249767 A CN201611249767 A CN 201611249767A CN 106762266 A CN106762266 A CN 106762266A
Authority
CN
China
Prior art keywords
inlet manifold
protection device
methyl alcohol
alcohol
rail
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.)
Withdrawn
Application number
CN201611249767.3A
Other languages
Chinese (zh)
Inventor
姚春德
陈超
姚安仁
窦站成
王斌
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.)
Tianjin University
Original Assignee
Tianjin 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 Tianjin University filed Critical Tianjin University
Priority to CN201611249767.3A priority Critical patent/CN106762266A/en
Publication of CN106762266A publication Critical patent/CN106762266A/en
Withdrawn legal-status Critical Current

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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
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/10209Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F02M35/10216Fuel injectors; Fuel pipes or rails; Fuel pumps or pressure regulators
    • 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
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/10006Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • F02M35/10019Means upstream of the fuel injection system, carburettor or plenum chamber
    • 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
    • F02M61/16Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14

Abstract

The present invention relates to a kind of methyl alcohol injector protection device, it is therefore an objective to provide a kind of protection device of the methyl alcohol injector involved by protection patent document CN102953887A embodiments 1.Methyl alcohol injector protection device includes:One in 90 degree of bent angle;The bent angle is made up of the first upper surface 7, the first lower surface 9, and first upper surface is fixed on alcohol rail, and first lower surface 9 is fixed on inlet manifold extension 1.The beneficial effects of the invention are as follows:Protection device simple structure, it is lightweight using light material, and its construction is the configuration design for depending on methyl alcohol injector, the center of gravity of methyl alcohol injector is not influenceed after installation, while will not also increase the horizontal stroke of methyl alcohol injector, be longitudinally arranged space.

Description

Methyl alcohol injector protection device
Technical field:
The present invention relates to a kind of motor vehicle fuel intake manifold injection system, further to a kind of methyl alcohol injector protection dress Put.
Background technology:
Diesel oil/Methanol Compound Combustion Mode technology is a kind of application technology on a diesel engine of rising in recent years.Patent document CN102953887A disclose it is a kind of combine through away from spray alcohol method and device, air inlet pipe extension and inlet manifold extension In 90 degree intersection, elbow set nozzle, methyl alcohol in air intake duct with air formed homogeneous charge, subsequently into cylinder simultaneously Caught fire by diesel oil ignited.Due to the methyl alcohol latent heat of vaporization high and the characteristic of the smokeless nonflame that burns, it is possible to decrease Engine Inlet Temperature With improve combustion quality, so as to effectively reduce the discharge of conventional diesel engine NOx and soot.
Because diesel oil/Methanol Compound Combustion Mode engine is used for heavy-duty vehicle, the working environment of this kind of vehicle is more severe, And engine is fixed in bicycle beam by way of being flexible coupling, in vehicle operation engine be fixed on crossbeam Movable phenomenon occurs between cooling fan, now the methyl alcohol injector in air inlet pipe because with vehicle-mounted cooling Spacing between fan diminishes and scrapes, and methyl alcohol injector can be damaged under long term.Simultaneously because methyl alcohol injector Installation site is in motor head, there is more revolving part, such as generator, water pump, fan below, and multiplex belt is passed It is dynamic, in long-term operating, easily fallen off because belt is aging.Exuviae band breaks methyl alcohol injector because of rotatory inertia On nozzle and rat tail, so as to cause methyl alcohol injector cannot normal work, greatly influence diesel oil/Methanol Compound Combustion Mode Operational reliability of the technology on traction engine.Therefore, in the urgent need to exploitation is a kind of lightweight, easy for installation, while again can be reliable Protect the device of methyl alcohol injector.
The content of the invention:
It is an object of the invention to provide the methyl alcohol injection involved by a kind of protection patent document CN102953887A embodiments 1 Device protection device.Two concrete technical schemes are as follows:
Technical scheme one:Methyl alcohol injector protection device includes:One in 90 degree of bent angle;The bent angle is by the first upper table Face 7, the first lower surface 9 are constituted, and first upper surface is fixed on alcohol rail, and first lower surface 9 is fixed on inlet manifold On extension 1.
The preferred scheme of technical scheme one, also includes:Drilling 8 on the first upper surface, on the first lower surface Barb 10;The outer edge of first upper surface 7 is flushed with the straight rib of right-angle surface 21 on alcohol rail 5, and the center of circle of drilling 8 faces The straight rib of right-angle surface 20 on alcohol rail 5;First lower surface 9 is tangent with the face of cylinder of inlet manifold extension 1, and barb 10 is Arrangement is hit exactly on a lower surface 9, towards the outer face in inlet manifold direction, the face of cylinder with inlet manifold's extension 6 exists barb 10 The identical phase tangent plane under overlaps.
The further preferred scheme of technical scheme one, also includes:Stainless steel band 4, clip 2;The stainless steel band point Chuan Guo not corresponding drilling 8 on the first upper surface 7, the right-angle surface 20,21 on winding alcohol rail 5;Card on inlet manifold extension Hoop is engaged with barb 10.
Technical scheme two:Methyl alcohol injector protection device includes:Two in 90 degree of bent angle;Described two bent angles are by three Plane is constituted, and is respectively:Second upper surface 14, middle surface 17, the second lower surface 18 are constituted, and the middle surface is fixed on alcohol rail On, second lower surface is fixed on inlet manifold extension 1.
The preferred scheme of technical scheme two, also includes:Drilling 16 on middle surface, the drilling 22 on alcohol rail; The right-angle surface that second upper surface 14 and middle surface 17 are constituted is engaged with the right-angle surface 21 on alcohol rail 5, the drilling on alcohol rail 22 is coaxial with drilling 16 on middle surface 17;Second lower surface 18 is tangent with the face of cylinder of inlet manifold extension 1, fluting Mouthfuls 19 center positions for being located at lower surface 18, lower surface 18 towards inlet manifold direction outer face, with inlet manifold's extension 6 Phase tangent plane of the face of cylinder under identical direction overlaps.
The further preferred scheme of technical scheme two, the two ends Lengthened bolt 13 of fixed alcohol rail 5 is passed through on middle surface 17 Drilling 16 is engaged with stop nut;Weld bolt 12 on inlet manifold extension 1 passes through the fluting on the first lower surface 18 Mouth 19 is engaged with stop nut.
The beneficial effects of the invention are as follows:
(1) protection device simple structure, it is lightweight using light material, and its construction is depend on methyl alcohol injector outer Shape design, the center of gravity of methyl alcohol injector is not influenceed after installation, while will not increase the horizontal stroke of methyl alcohol injector yet, be longitudinally arranged sky Between.
(2) protection device possesses guarantee methyl alcohol injector normal on the premise of methyl alcohol injector original structure is not changed Work and protect it from cooling fan or the ability of the belt destruction that comes off, improve diesel oil/Methanol Compound Combustion Mode technology in weight Carry the operational reliability on car.
(3) protection device is fixed by clip, stainless steel band and bolt, and installation, unloading process are easy.
Brief description of the drawings:
Fig. 1 is the assembling schematic diagram that the embodiment of the present invention 1 is arranged on methyl alcohol injector.In figure, 1 represents inlet manifold prolongs Pipe is stretched, 2 represent clip, and 3 represent the bending part that bent angle is as 90 °, and 4 represent stainless steel band, and 5 represent alcohol rail, and 6 represent inlet manifold Extension.
Fig. 2 is the structural representation of embodiment 1.In figure, 7 represent the first upper surface, and 8 represent drilling, and 9 represent the first following table Face, 10 represent barb.
Fig. 3 is the front view of Fig. 2.
Fig. 4 is the left view of Fig. 2.
Fig. 5 is the assembling schematic diagram that the embodiment of the present invention 2 is arranged on methyl alcohol injector.In figure, 11 representatives are included at two 90 ° of bending parts of bent angle, 12 represent the weld bolt on inlet manifold extension 1, and 13 represent the Lengthened bolt of fixed alcohol rail 5.
Fig. 6 is the structural representation of embodiment 2.In figure, 14 represent the upper surface of bending part 11, and 15 represent on upper surface 14 Otch, 16 represent in drilling on surface 17,17 represent the middle surface of bending part 11, and 18 represent the following table of bending part 11 Face, 19 represent the otch on lower surface 18.
Fig. 7 is the front view of embodiment 2.
Fig. 8 is the left view of embodiment 2.
Fig. 9 is the structural representation of alcohol rail 5.In figure, 20 represent the upper right-angle surface of alcohol rail, and 21 represent the lower right angle of alcohol rail Face, 22 represent the drilling on alcohol rail.
Specific embodiment:
Embodiment 1:
With reference to Fig. 1-4 and Fig. 9, embodiments of the present invention are illustrated.
The protection device of methyl alcohol injector, including:Bent angle is 90 ° of bending part 3, and material is stainless steel;Air inlet clip 2, Material is stainless steel;Band 4, material is stainless steel.Installation one is curved between motor intake manifold extension 1 and alcohol rail 5 Angle is 90 ° of bending part 3, and the first upper surface 7 of the bending part 3 is engaged with the surface of alcohol rail 5, wherein the first upper surface 7 Outer edge is flushed with the straight rib of right-angle surface 21 on alcohol rail 5, and the center of circle of drilling 8 faces the straight rib of right-angle surface 20 on alcohol rail 5, purpose It is to ensure that later stage stainless steel band 4 can be close to the surface wrap of alcohol rail 5;The stainless steel band 4 is each passed through the first upper table Corresponding drilling 8 on face 7, the right-angle surface 20,21 on winding alcohol rail 5 makes the first upper surface 7 be tightly fixed on alcohol rail 5;It is described First lower surface 9 of bending part 3 is tangent with the face of cylinder of inlet manifold extension 1, by the card on inlet manifold extension 1 Hoop 2 is engaged with barb 10, the first lower surface 9 is fixed on inlet manifold extension 1, and wherein barb 10 is in the first lower surface Arrangement is hit exactly on 9, it is ensured that be distributed in the tension uniform that the later stage bears the corner of barb 10, while barb 10 is towards inlet manifold side To outer face, the phase tangent plane with the face of cylinder of inlet manifold's extension 6 under identical direction overlaps, it is therefore an objective to prevent the later stage from pacifying When filling the sebific duct at inlet manifold, there is interference with barb 10 in sebific duct, so as to influence the air-tightness of sebific duct.
Embodiment 2:
Compares figure 5-9, the present embodiment is that the bending part 11 includes 3 surfaces with the difference of embodiment 1, point It is not the second upper surface 14, the lower surface 18 of middle surface 17 and second, so as to form two 90 ° of bent angles;Second upper surface 14 is with The right-angle surface that surface 17 is constituted can be engaged with the right-angle surface 21 on alcohol rail 5, and alcohol rail 5 can be caught under gravity, Drilling 22 on alcohol rail 5 simultaneously is coaxial with drilling 16 on middle surface 17, and the two ends Lengthened bolt 13 for fixing alcohol rail 5 is passed through Come surface in fixing 17, dual fastening design can ensure that surface 14,17 closely connects with alcohol rail 5 for drilling 16 on middle surface 17 Touch;Weld bolt 12 on inlet manifold extension 1 is engaged through the otch 19 on the second lower surface 18 with stop nut, Play a part of to fasten the second lower surface 18, wherein otch 19 is located at the center position of the second lower surface 18, while under second Surface 18 towards inlet manifold direction outer face, the phase tangent plane weight with the face of cylinder of inlet manifold's extension 6 under identical direction Close, purpose is consistent with embodiment 1.The embodiment is easier for installation, reliable for embodiment 1, and outward appearance it is brief, It is attractive in appearance, but due to needing the weld bolt at inlet manifold extension position, the intensity to solder technology and air inlet pipe fitting is proposed Requirement higher.

Claims (6)

1. methyl alcohol injector protection device, it is characterised in that protection device includes:One in 90 degree of bent angle;The bent angle by First upper surface (7), the first lower surface (9) composition, first upper surface are fixed on alcohol rail, first lower surface (9) It is fixed on inlet manifold extension (1).
2. methyl alcohol injector protection device according to claim 1, it is characterised in that also include:On the first upper surface Drilling (8), the barb (10) on the first lower surface;The outer edge of first upper surface (7) and right angle on alcohol rail (5) The straight rib in face (21) is flushed, and the center of circle of drilling (8) faces the straight rib of right-angle surface (20) on alcohol rail (5);First lower surface (9) face of cylinder with inlet manifold extension (1) is tangent, and barb (10) hits exactly arrangement, barb (10) on the first lower surface (9) Towards the outer face in inlet manifold direction, the phase tangent plane with the face of cylinder of inlet manifold's extension (6) under identical direction overlaps.
3. methyl alcohol injector protection device according to claim 2, it is characterised in that also include:Stainless steel band (4), card Hoop (2);
The stainless steel band is each passed through corresponding drilling (8) on the first upper surface (7), the right-angle surface in winding alcohol rail (5) (20)、(21);Clip on inlet manifold extension is engaged with barb (10).
4. methyl alcohol injector protection device, it is characterised in that protection device includes:Two in 90 degree of bent angle;It is described two curved Angle is made up of three planes, is respectively:Second upper surface (14), middle surface (17), the second lower surface (18) composition, the middle table Face is fixed on alcohol rail, and second lower surface is fixed on inlet manifold extension (1).
5. methyl alcohol injector protection device according to claim 4, it is characterised in that also include:Brill on middle surface Hole (16), the drilling (22) on alcohol rail;Right-angle surface and alcohol rail that second upper surface (14) and middle surface (17) are constituted (5) right-angle surface (21) on is engaged, and the drilling (22) on alcohol rail is coaxial with drilling (16) on middle surface (17);
Second lower surface (18) is tangent with the face of cylinder of inlet manifold extension (1), and otch (19) is positioned at lower surface (18) center position, towards the outer face in inlet manifold direction, the face of cylinder with inlet manifold's extension (6) exists lower surface (18) The identical phase tangent plane under overlaps.
6. methyl alcohol injector protection device according to claim 5, it is characterised in that the two ends of fixed alcohol rail (5) lengthen spiral shell Bolt (13) is engaged through the drilling (16) on middle surface (17) with stop nut;Welding spiral shell on inlet manifold extension (1) Bolt (12) is engaged through the otch (19) on the first lower surface (18) with stop nut.
CN201611249767.3A 2016-12-29 2016-12-29 Methyl alcohol injector protection device Withdrawn CN106762266A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611249767.3A CN106762266A (en) 2016-12-29 2016-12-29 Methyl alcohol injector protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611249767.3A CN106762266A (en) 2016-12-29 2016-12-29 Methyl alcohol injector protection device

Publications (1)

Publication Number Publication Date
CN106762266A true CN106762266A (en) 2017-05-31

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CN201611249767.3A Withdrawn CN106762266A (en) 2016-12-29 2016-12-29 Methyl alcohol injector protection device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107917283A (en) * 2017-11-28 2018-04-17 东风商用车有限公司 A kind of spring air chamber pipeline fixing structure

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010025619A1 (en) * 2000-03-29 2001-10-04 Koji Suzuki Engine with soundproof cover of injector
US20030075135A1 (en) * 2001-10-19 2003-04-24 Nissan Motor Co., Ltd. Intake arrangement for multi-cylinder engine
CN1526941A (en) * 2003-02-14 2004-09-08 日产自动车株式会社 Apparatus for protecting engine fuel system parts
CN1526921A (en) * 2003-02-14 2004-09-08 �ղ��Զ�����ʽ���� Channeling cylinder mixed gas circulating apparatus for internal combustion engine
JP2004316583A (en) * 2003-04-18 2004-11-11 Nissan Motor Co Ltd Engine fuel system protecting device
JP2007239710A (en) * 2006-03-13 2007-09-20 Nissan Motor Co Ltd Fuel system protecting structure for internal combustion engine
CN102953887A (en) * 2012-11-06 2013-03-06 天津大学 Penetration distance-composited alcohol spraying method and device
CN103195591A (en) * 2012-01-05 2013-07-10 铃木株式会社 Bi-fuel engine
CN206555039U (en) * 2016-12-29 2017-10-13 天津大学 methanol injector protection device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010025619A1 (en) * 2000-03-29 2001-10-04 Koji Suzuki Engine with soundproof cover of injector
US20030075135A1 (en) * 2001-10-19 2003-04-24 Nissan Motor Co., Ltd. Intake arrangement for multi-cylinder engine
CN1526941A (en) * 2003-02-14 2004-09-08 日产自动车株式会社 Apparatus for protecting engine fuel system parts
CN1526921A (en) * 2003-02-14 2004-09-08 �ղ��Զ�����ʽ���� Channeling cylinder mixed gas circulating apparatus for internal combustion engine
JP2004316583A (en) * 2003-04-18 2004-11-11 Nissan Motor Co Ltd Engine fuel system protecting device
JP2007239710A (en) * 2006-03-13 2007-09-20 Nissan Motor Co Ltd Fuel system protecting structure for internal combustion engine
CN103195591A (en) * 2012-01-05 2013-07-10 铃木株式会社 Bi-fuel engine
CN102953887A (en) * 2012-11-06 2013-03-06 天津大学 Penetration distance-composited alcohol spraying method and device
CN206555039U (en) * 2016-12-29 2017-10-13 天津大学 methanol injector protection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107917283A (en) * 2017-11-28 2018-04-17 东风商用车有限公司 A kind of spring air chamber pipeline fixing structure

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Application publication date: 20170531