CN105041532B - Diesel oil, alcohols double fuel integral type injector - Google Patents

Diesel oil, alcohols double fuel integral type injector Download PDF

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Publication number
CN105041532B
CN105041532B CN201510399856.5A CN201510399856A CN105041532B CN 105041532 B CN105041532 B CN 105041532B CN 201510399856 A CN201510399856 A CN 201510399856A CN 105041532 B CN105041532 B CN 105041532B
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fuel
valve
ejiction opening
pressure room
mobile
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CN105041532A (en
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胡松平
孙霞林
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Dongying New Plastic Industry And Trade Co ltd
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Abstract

The embodiment of the invention discloses a kind of diesel oil, alcohols double fuel integral type injector, including injector body, the injector bodies to be equipped with:Diesel fuel entrance;Aalcohols fuel entrance;Fuel ejiction opening;First passage;Second channel;Oil return opening;Oil return control valve;Diesel fuel injection control needle-valve, connection or cut-off for controlling second pressure room and fuel ejiction opening according to the interaction force between second pressure room, the first elastic component and first pressure room;Aalcohols fuel injection control valve is set to the second valve chamber, connection or cut-off for controlling the second valve chamber and fuel ejiction opening.The embodiment of the present invention, its is simple in structure, easy for installation, and the injection control of diesel fuel can be realized by the cooperation of oil return control valve and diesel fuel injection control needle-valve, or the injection control of Aalcohols fuel is realized by Aalcohols fuel injection control valve, smooth it can switch between different fuel.

Description

Diesel oil, alcohols double fuel integral type injector
Technical field:
The present invention relates to a kind of double fuel electrically controlled injector, especially diesel oil, alcohols double fuel integral type injectors.
Background technology:
With the concern to vehicle economy and alternative fuel economy, the feature of environmental protection, automaker and Market for refitting turn To more economical, Cleaning Equipment, to improve efficiency and energy conservation and environmental protection, so alternative fuel or dual-purpose fuel or pluralities of fuel It effectively uses, needs the distinct configuration of traditional fuel engine components.
To adapt to the double fuel or the economic ring of multi fuel for being used in mixed way or selecting switching use, repacking or production of multi fuel Automobile is protected, usually on the basis of former vehicle, has the newly-increased fuel injector being connected to inlet manifold in repacking in inlet manifold, it is former Vehicle fuel injector and newly-increased fuel injector are independent from each other separate structure.There are following defects:1, automobile is easily caused The interference of other related accessories, repacking installation are inconvenient.2, the newly-increased fuel injector after reequiping can not be with former vehicle fuel injector Equally reach best spray angle, the increase of oil consumption can be caused.3, newly-increased fuel injector easy to produce oil film deposition and Covering.4, it can not adapt to or match advanced cylinder Inner direct injection technologies.
To overcome drawbacks described above, occurs a kind of double fuel unit injector on the market, but its structure is complex, between fuel Switching has some setbacks.
Invention content:
To overcome existing dual fuel injector complicated, switch the problem of having some setbacks, the embodiment of the present invention between fuel Provide a kind of diesel oil, alcohols double fuel integral type injector.
A kind of diesel oil, alcohols double fuel integral type injector, including injector body, the injector body are equipped with:
Diesel fuel entrance, for being connect with high-pressure oil pipe;
Aalcohols fuel entrance, for being connect with Aalcohols fuel feeding pipe;
Fuel ejiction opening;
First passage is connected to diesel fuel entrance and fuel ejiction opening, is equipped with successively from top to bottom in the first passage Interconnected the first valve chamber, first pressure room and second pressure room;The diesel fuel entrance and first pressure room and the Two pressure chamber is connected to;The second pressure room is connected to fuel ejiction opening;
Second channel is connected to Aalcohols fuel entrance and fuel ejiction opening, and the upper position of the second channel is equipped with second Valve chamber;
Oil return opening is connected to first valve chamber;
Oil return control valve is set in the first valve chamber, and the connection or cut-off for controlling first pressure room and oil return opening are to adjust Save the pressure size of first pressure room;
Diesel fuel injection control needle-valve is set in first passage and between first pressure room and fuel ejiction opening, The upper end is arranged with the first elastic component, and it is equipped with opposite with second pressure room by small gradually big taper compression zone, is used for root Moved up and down according to the interaction force between second pressure room, the first elastic component and first pressure room with control second pressure room with The connection or cut-off of fuel ejiction opening;
Aalcohols fuel injection control valve, be set to the second valve chamber, for control the second valve chamber and fuel ejiction opening connection or Cut-off.
The embodiment of the present invention, it is simple in structure, it is easy for installation, oil return control valve and diesel fuel injection control needle can be passed through The injection control of diesel fuel is realized in the cooperation of valve, or the injection control of Aalcohols fuel is realized by Aalcohols fuel injection control valve It makes, smooth can switch between different fuel;Secondly, it can directly replace former vehicle injector and be installed on where former vehicle injector Position can reach best spray angle, reduce oil consumption;In addition, not will produce oil film deposition and covering.
Description of the drawings:
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings Attached drawing.
Fig. 1 is the structure cut-away view of the embodiment of a kind of diesel oil of the present invention, alcohols double fuel integral type injector.
Specific implementation mode:
In order to make the technical problems, technical solutions and beneficial effects solved by the present invention be more clearly understood, below in conjunction with Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used To explain the present invention, it is not intended to limit the present invention.
As shown in Figure 1, a kind of diesel oil, alcohols double fuel integral type injector, including injector body, the injector body It is equipped with:
Diesel fuel entrance 11, for being connect with high-pressure oil pipe;
Aalcohols fuel entrance 12, for being connect with Aalcohols fuel feeding pipe;
Fuel ejiction opening 2;
First passage is connected to diesel fuel entrance 11 and fuel ejiction opening 2, is set successively from top to bottom in the first passage There are interconnected the first valve chamber 30, first pressure room 31 and second pressure room 32;The diesel fuel entrance 11 and first Balancing gate pit 31 is connected to second pressure room 32;The second pressure room 32 is connected to fuel ejiction opening 2;
Second channel is connected to Aalcohols fuel entrance 12 and fuel ejiction opening 2, and the upper position of the second channel is equipped with the Two valve chambers 42;
Oil return opening 13 is connected to first valve chamber 30;
Oil return control valve is set to 30 in the first valve chamber, connection for controlling first pressure room 31 and oil return opening 13 or section Only to adjust the pressure size of first pressure room 31;
Diesel fuel injection control needle-valve 51 is set in first passage and is located at first pressure room 31 and fuel ejiction opening 2 Between, the upper end is arranged with the first elastic component 52, and it is equipped with and opposite with second pressure room 32 is pressurized by small gradually big taper Portion, for according to the interaction force between second pressure room 32, the first elastic component 52 and first pressure room 31 move up and down with Control the connection or cut-off of second pressure room 32 and fuel ejiction opening 2;
Aalcohols fuel injection control valve is set to the second valve chamber 42, the company for controlling the second valve chamber 42 and fuel ejiction opening 2 Logical or cut-off.
The embodiment of the present invention, it is simple in structure, it is easy for installation, oil return control valve and diesel fuel injection control needle can be passed through The injection control of diesel fuel is realized in the cooperation of valve, or the injection control of Aalcohols fuel is realized by Aalcohols fuel injection control valve It makes, smooth can switch between different fuel;Secondly, it can directly replace former vehicle injector and be installed on where former vehicle injector Position can reach best spray angle, reduce oil consumption;In addition, not will produce oil film deposition and covering;And be suitable for or With advanced cylinder Inner direct injection technologies.
Further, the fuel ejiction opening 2 includes the first ejiction opening 21 and the second ejiction opening 22, the first ejiction opening 21 are connected to second pressure room 32, and the second ejiction opening 22 is connected to the second valve chamber 42, the first ejiction opening 21 and the second ejiction opening 22 It is mutually parallel, and injection direction is identical.Simple in structure, whether diesel fuel or Aalcohols fuel, can reach best Spray angle reduces oil consumption.
Still further, the oil return control valve includes:
I-shaped coil brace 61, downward opening socket guide part is equipped at longitudinal axis center, and circumferential exterior surface is opened Equipped with annular groove;
First electromagnetic coil 62 is set on the annular groove of I-shaped coil brace 61;
First mobile 63, one end are socketed in the socket guide part of the I-shaped coil brace 61 and can be along sockets Guide part moves up and down;
Ball valve 64 connect with the other end of the first mobile 63 and is located at mutual between the first valve chamber and first pressure room Connectivity part;
Second elastic component 65, be set to the I-shaped coil brace 61 socket guide part in and with 63 phase of the first mobile It supports;
When first electromagnetic coil 62 is powered, the magnetic force that the energization of the first electromagnetic coil 62 generates drives the first mobile 63 Overcome the active force of the second elastic component 65 to be moved up along socket guide part, ball valve 64 is made to follow the first mobile 63 from bottom to top It is moved out the interconnected place between the first valve chamber 30 and first pressure room 31, at this time oil return opening 13 and first pressure room 31 Connection, first pressure room 31 makes the pressure of first pressure room 31 reduce, at this point, second pressure room 32 by 13 pressure release of oil return opening Pressure push diesel fuel injection control needle-valve 51 overcome the first elastic component 52 elastic force and first pressure room 31 pressure to Upper movement makes second pressure room 32 be connected to the first ejiction opening 21, realizes diesel fuel injection;First electromagnetic coil 62 is disconnected When electric, the first mobile 63 the second elastic component 65 reset response power lower edge socket guide part move down, make ball valve 64 with It is moved from top to bottom with the first mobile 63 and tight against the interconnected place between the first valve chamber 30 and first pressure room 31, at this time Oil return opening 13 ends with 31 phase of first pressure room, so that the pressure of first pressure room 31 is increased gradually until with 32 phase of second pressure room Deng at this point, diesel fuel injection control needle-valve 51 is moved down under the active force of the first elastic component 52 and is sprayed tight against first Mouth 21 makes second pressure room 32 and 21 phase of the first ejiction opening end, to stop diesel fuel injection.It is simple in structure, by right The control of oil return control valve, can indirect control diesel fuel injection.
Further, the Aalcohols fuel injection control valve includes:
Valve seat 71 is installed in the second valve chamber 42, and the valve seat is in T shape, has a located lateral portion and an opening Longitudinal socket guide part directed downwardly, wherein the fuel deflector hole through itself, and fuel water conservancy diversion are offered in located lateral portion Hole is located at the periphery of longitudinal socket guide part;
Second mobile 72, one end are set in longitudinal socket guide part;
Second electromagnetic coil 73 is set to the periphery of the second valve chamber 42, and opposite with the second mobile 72;
Third elastic component 74 is set in longitudinal socket guide part, and the transverse direction with the second mobile 72 and valve seat 71 respectively Positioning region offsets;
Needle-valve 75 is installed in the second valve chamber 42, and between the second mobile 72 and the second ejiction opening 22, with The other end of two mobiles 72 is connected and can be moved up and down;
When second electromagnetic coil 73 is powered, the magnetic force that the energization of the second electromagnetic coil 73 generates drives the second mobile 72 Overcome the active force of third elastic component 74 to be socketed guide part along longitudinal direction to move up, needle-valve 75 is made to follow the second mobile 72 under The connectivity part of the second valve chamber 42 and second channel is moved up and is detached from, the second valve chamber 42 is connected to the second ejiction opening 22 at this time, Realize the injection of Aalcohols fuel;When second electromagnetic coil 73 powers off, reset of second mobile 72 in third elastic component 74 Longitudinally socket guide part moves down for active force lower edge, makes needle-valve 75 that the second mobile 72 be followed to move from top to bottom and tight against the The connectivity part of two valve chambers 42 and second channel, the second valve chamber 42 and the cut-off of 22 phase of the second ejiction opening at this time, to stop alcohols combustion The injection of material.It is simple in structure, it is stably controlled the injection of Aalcohols fuel.
Specifically, the Aalcohols fuel entrance 12 and 2 periphery of fuel ejiction opening offer annular groove, annular groove respectively On be respectively equipped with sealing ring.Simple in structure, connection sealing is good.
Further, filter screen is equipped at the Aalcohols fuel entrance 12.It is simple in structure, Aalcohols fuel can be carried out Filter.
It is as described above the one or more embodiments for combining particular content to provide, does not assert the specific reality of the present invention It applies and is confined to these explanations.It is all approximate with method of the invention, structure etc., identical, or for present inventive concept under the premise of Several technology deduction or replace are made, protection scope of the present invention is all should be considered as.

Claims (6)

1. a kind of diesel oil, alcohols double fuel integral type injector, including injector body, which is characterized in that the injector body It is equipped with:
Diesel fuel entrance, for being connect with high-pressure oil pipe;
Aalcohols fuel entrance, for being connect with Aalcohols fuel feeding pipe;
Fuel ejiction opening;
First passage is connected to diesel fuel entrance and fuel ejiction opening, is equipped with successively from top to bottom in the first passage mutual The first valve chamber, first pressure room and the second pressure room of connection;The diesel fuel entrance and first pressure room and the second pressure Power room is connected to;The second pressure room is connected to fuel ejiction opening;
Second channel is connected to Aalcohols fuel entrance and fuel ejiction opening, and the upper position of the second channel is equipped with the second valve chamber;
Oil return opening is connected to first valve chamber;
Oil return control valve is set in the first valve chamber, and connection for controlling first pressure room and oil return opening or cut-off are to adjust the The pressure size of one balancing gate pit;
Diesel fuel injection control needle-valve is set in first passage and between first pressure room and fuel ejiction opening, thereon End cap is equipped with the first elastic component, and its be equipped with it is opposite with second pressure room by small gradually big taper compression zone, for according to the Interaction force between two pressure chamber, the first elastic component and first pressure room is moved up and down to control second pressure room and fuel The connection or cut-off of ejiction opening;
Aalcohols fuel injection control valve is set to the second valve chamber, connection or cut-off for controlling the second valve chamber and fuel ejiction opening.
2. diesel oil according to claim 1, alcohols double fuel integral type injector, which is characterized in that the fuel sprays Mouth includes the first ejiction opening and the second ejiction opening, and the first ejiction opening is connected to second pressure room, the second ejiction opening and the second valve Chamber is connected to, and the first ejiction opening and the second ejiction opening are mutually parallel, and injection direction is identical.
3. diesel oil according to claim 2, alcohols double fuel integral type injector, which is characterized in that the oil return control Valve includes:
I-shaped coil brace, downward opening socket guide part is equipped at longitudinal axis center, and circumferential exterior surface offers ring Connected in star;
First electromagnetic coil is set on the annular groove of I-shaped coil brace;
First mobile, one end are socketed in the socket guide part of the I-shaped coil brace and can be along socket guide parts Lower movement;
Ball valve connect with the other end of the first mobile and is located at the interconnected place between the first valve chamber and first pressure room;
Second elastic component offsets in the socket guide part of the I-shaped coil brace and with the first mobile;
When first electromagnetic coil is powered, the magnetic force that the energization of the first electromagnetic coil generates drives the first mobile to overcome the second bullet Property part active force along socket guide part move up, make ball valve that the first mobile be followed to be moved out the first valve from bottom to top Interconnected place between chamber and first pressure room, at this time oil return opening be connected to first pressure room, first pressure room passes through oil return Mouth pressure release;When the first electromagnetic coil power-off, the first mobile is socketed in the reset response power lower edge of the second elastic component and is oriented to Portion moves down, and makes ball valve that the first mobile be followed to move from top to bottom and tight against the phase between the first valve chamber and first pressure room Intercommunicated place, at this time oil return opening mutually end with first pressure room.
4. diesel oil according to claim 2, alcohols double fuel integral type injector, which is characterized in that the Aalcohols fuel Injection control valve includes:
Valve seat is installed in the second valve chamber, and the valve seat is in T shape, downward opening vertical with a located lateral portion and one To socket guide part, wherein offer the fuel deflector hole through itself in located lateral portion, and fuel deflector hole is positioned at vertical To the periphery of socket guide part;
Second mobile, one end are set in longitudinal socket guide part;
Second electromagnetic coil is set to the periphery of the second valve chamber, and opposite with the second mobile;
Third elastic component is set in longitudinal socket guide part, and the located lateral portion with the second mobile and valve seat offsets respectively;
Needle-valve is installed in the second valve chamber, and between the second mobile and the second ejiction opening, another with the second mobile One end connects and can move up and down;
When second electromagnetic coil is powered, the magnetic force that the energization of the second electromagnetic coil generates drives the second mobile to overcome third bullet The active force of property part is socketed guide part and moves up along longitudinal direction, makes needle-valve that the second mobile be followed to be moved out from bottom to top The connectivity part of two valve chambers and second channel, at this time the second valve chamber be connected to the second ejiction opening;When the second electromagnetic coil power-off, In the reset response power lower edge of third elastic component, longitudinally socket guide part moves down for second mobile, and needle-valve is made to follow the second work Kinetoplast moves and from top to bottom tight against the connectivity part of the second valve chamber and second channel, and the second valve chamber and the second ejiction opening phase are cut at this time Only.
5. diesel oil according to claim 3 or 4, alcohols double fuel integral type injector, which is characterized in that the alcohols combustion Material entrance and fuel ejiction opening periphery offer annular groove respectively, and sealing ring is respectively equipped on annular groove.
6. diesel oil according to claim 3 or 4, alcohols double fuel integral type injector, which is characterized in that the alcohols combustion Expect that inlet is equipped with filter screen.
CN201510399856.5A 2015-07-09 2015-07-09 Diesel oil, alcohols double fuel integral type injector Active CN105041532B (en)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108131207B (en) * 2017-12-22 2020-09-04 湖南城市学院 Adjusting method of proportion-adjustable ethanol-gasoline dual-fuel oil injector
CN113833592B (en) * 2021-09-30 2023-03-24 潍柴动力股份有限公司 Injection valve subassembly, engine and vehicle

Citations (4)

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Publication number Priority date Publication date Assignee Title
JPS56159559A (en) * 1980-05-09 1981-12-08 Nissan Motor Co Ltd Fuel injection device
CN101806265A (en) * 2009-03-18 2010-08-18 临海弘征汽车电喷技术有限公司 Swirling electronic-controlled fuel injector of gasoline engine
CN102705120A (en) * 2012-06-19 2012-10-03 哈尔滨工程大学 Dual-fuel electric control monomer ejector
CN204783397U (en) * 2015-07-09 2015-11-18 胡松平 Diesel oil, alcohols double fuel integral type sprayer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8733326B2 (en) * 2011-06-24 2014-05-27 Caterpillar Inc. Dual fuel injector for a common rail system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56159559A (en) * 1980-05-09 1981-12-08 Nissan Motor Co Ltd Fuel injection device
CN101806265A (en) * 2009-03-18 2010-08-18 临海弘征汽车电喷技术有限公司 Swirling electronic-controlled fuel injector of gasoline engine
CN102705120A (en) * 2012-06-19 2012-10-03 哈尔滨工程大学 Dual-fuel electric control monomer ejector
CN204783397U (en) * 2015-07-09 2015-11-18 胡松平 Diesel oil, alcohols double fuel integral type sprayer

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Effective date of registration: 20201110

Address after: 221000 electronic Park, Shaji Town, Suining County, Xuzhou City, Jiangsu Province

Patentee after: JIANGSU RONGWEI INDUSTRIAL Co.,Ltd.

Address before: 425000, No. 1406, D building, C2 garden, southwest garden, Xiaoxiang Road, Yongzhou, Hunan

Patentee before: Hu Songping

Patentee before: Sun Xialin

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Effective date of registration: 20221201

Address after: 273400 intersection of Yanbin road and yanpo Road, Fei County, Linyi City, Shandong Province

Patentee after: Mach Technology (Linyi) Co.,Ltd.

Address before: 221000 electronic Park, Shaji Town, Suining County, Xuzhou City, Jiangsu Province

Patentee before: JIANGSU RONGWEI INDUSTRIAL Co.,Ltd.

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Effective date of registration: 20230504

Address after: Building 31, No. 1123, Yunmenshan Road, Dongying District, Dongying City, Shandong Province, 257000

Patentee after: Dongying New Plastic Industry and Trade Co.,Ltd.

Address before: 273400 intersection of Yanbin road and yanpo Road, Fei County, Linyi City, Shandong Province

Patentee before: Mach Technology (Linyi) Co.,Ltd.

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Denomination of invention: Diesel and alcohol dual fuel integrated injector

Granted publication date: 20180727

Pledgee: Bank of China Limited by Share Ltd. Dongying Xicheng sub branch

Pledgor: Dongying New Plastic Industry and Trade Co.,Ltd.

Registration number: Y2024980001656