CN109488503A - The high-pressure oil pipe device of Length discrepancy - Google Patents

The high-pressure oil pipe device of Length discrepancy Download PDF

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Publication number
CN109488503A
CN109488503A CN201910038661.6A CN201910038661A CN109488503A CN 109488503 A CN109488503 A CN 109488503A CN 201910038661 A CN201910038661 A CN 201910038661A CN 109488503 A CN109488503 A CN 109488503A
Authority
CN
China
Prior art keywords
pressure oil
oil pipe
pressure
pipe
cylinder
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
CN201910038661.6A
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Chinese (zh)
Inventor
柯建锋
黄永仲
冯世光
曾敏
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.)
Guangxi Yuchai Machinery Co Ltd
Original Assignee
Guangxi Yuchai Machinery Co Ltd
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 Guangxi Yuchai Machinery Co Ltd filed Critical Guangxi Yuchai Machinery Co Ltd
Priority to CN201910038661.6A priority Critical patent/CN109488503A/en
Publication of CN109488503A publication Critical patent/CN109488503A/en
Pending 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
    • F02M55/00Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/008Arrangement of fuel passages inside 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
    • F02M55/00Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • F02M55/025Common rails

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

The invention discloses a kind of high-pressure oil pipe devices of Length discrepancy, diesel engine suitable for high pressure co-rail system, high pressure co-rail system includes multiple high-pressure oil outlets, diesel engine includes multiple cylinders, multiple cylinders correspond to multiple fuel injectors, high-pressure oil pipe device includes more high-pressure oil pipes, is arranged between the corresponding multiple fuel injectors of multiple cylinders of diesel engine and multiple high-pressure oil outlets of high pressure co-rail system, and the length of more high-pressure oil pipes is unequal.The high-pressure oil pipe device of Length discrepancy of the invention can make the arrangement of high-pressure oil pipe become fairly simple convenience and save material, both artistic and practical.

Description

The high-pressure oil pipe device of Length discrepancy
Technical field
The present invention relates to diesel engine manufacturing fields, especially with regard to a kind of differing suitable for high pressure co-rail system Long high-pressure oil pipe device.
Background technique
For multi-cylinder diesel engine, each cylinder needs a corresponding high-pressure oil pipe.And for using mechanical spray oil pump For the diesel engine of system, since mechanical pumping system, the high-pressure oil pipe length of each cylinder be it is equal, that is to say isometric 's.As shown in Figure 1, Fig. 1 is the arrangement schematic diagram according to the isometric high-pressure oil pipe of one embodiment of the prior art.Fig. 1 is painted Be high-pressure oil pipe 1~6 by taking six-cylinder diesel engine as an example, in Fig. 1 equal length.It is required according to current technology, in order to protect It demonstrate,proves the high-pressure oil pipe equal length of each cylinder, when layout design, two intermediate cylinder high-pressure oil pipes can be made to detour more, To reach equal length.
Difficulty not only is increased to the arrangement of high-pressure oil pipe in this way, but also wastes material.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of high-pressure oil pipe devices of Length discrepancy, and the arrangement of high-pressure oil pipe can be made to become It obtains more convenient and saves material, it is both artistic and practical.
To achieve the above object, the present invention provides a kind of high-pressure oil pipe devices of Length discrepancy, are suitable for high-pressure common rail system The diesel engine of system, high pressure co-rail system include multiple high-pressure oil outlets, and diesel engine includes multiple cylinders, and multiple cylinders correspond to multiple Fuel injector, high-pressure oil pipe device include more high-pressure oil pipes, and the corresponding multiple fuel injectors of multiple cylinders of diesel engine are arranged in Between multiple high-pressure oil outlets of high pressure co-rail system, and the length of more high-pressure oil pipes is unequal.
In a preferred embodiment, a high pressure of the corresponding fuel injector of each cylinder and high pressure co-rail system is fuel-displaced A piece high-pressure oil pipe is set between mouthful.
In a preferred embodiment, the material of more high-pressure oil pipes is metal.
In a preferred embodiment, the high-pressure oil pipe device of Length discrepancy further includes multiple first pipe clamps, and setting exists On high-pressure oil pipe adjacent to each other, and it is located at close to high-pressure oil outlet one end or close to fuel injector one end, multiple first pipe clamps are used With the fixation high-pressure oil pipe.
In a preferred embodiment, the high-pressure oil pipe device of Length discrepancy further includes multiple second pipe clamps, and setting exists On the middle position of high-pressure oil pipe adjacent to each other, multiple second pipe clamps are to the fixation high-pressure oil pipe.
Compared with prior art, the high-pressure oil pipe device of Length discrepancy of the invention has the advantages that it can root High-pressure oil pipe is reasonably arranged according to actual requirement, does not need to impose the length of every high-pressure oil pipe must be consistent, so that high pressure oil The arrangement of pipe is very simple and convenient, and both artistic and practical, moreover it is possible to save material.
Detailed description of the invention
Fig. 1 is the arrangement schematic diagram according to the isometric high-pressure oil pipe of one embodiment of the prior art.
Fig. 2 is the arrangement schematic diagram of the high-pressure oil pipe of Length discrepancy according to an embodiment of the present invention.
Main appended drawing reference explanation:
Mono- cylinder high-pressure oil pipe of 1-, the first high-pressure oil outlet of 11- common rail pipe, mono- cylinder injector of 12-, 2- two cylinder high-pressure oil pipe, The second high-pressure oil outlet of 21- common rail pipe, bis- cylinder injector of 22-, tri- cylinder high-pressure oil pipe of 3-, 31- common rail pipe third high-pressure oil outlet, Tri- cylinder injector of 32-, tetra- cylinder high-pressure oil pipe of 4-, the 4th high-pressure oil outlet of 41- common rail pipe, tetra- cylinder injector of 42-, five cylinder high pressure of 5- Oil pipe, the 5th high-pressure oil outlet of 51- common rail pipe, five cylinder injector 52 of 52-, six cylinder high-pressure oil pipe of 6-, the 6th high pressure of 61- common rail pipe Oil outlet, six cylinder injector of 62-, the first pipe clamp of 7-, the second pipe clamp of 8-.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention Shield range is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members Part or other component parts.
As shown in Fig. 2, Fig. 2 is the arrangement schematic diagram of the high-pressure oil pipe of Length discrepancy according to an embodiment of the present invention.Root It is high suitable for the diesel engine of high pressure co-rail system according to a kind of high-pressure oil pipe device of Length discrepancy of the preferred embodiment for the present invention Pressing common rail system includes multiple high-pressure oil outlets, and diesel engine includes multiple cylinders, and multiple cylinders correspond to multiple fuel injectors, high pressure oil Pipe device includes more high-pressure oil pipes, and the corresponding multiple fuel injectors of multiple cylinders and high pressure co-rail system of diesel engine are arranged in Multiple high-pressure oil outlets between, and the length of more high-pressure oil pipes is unequal, and the material of more high-pressure oil pipes is generally gold Category is made.
In some embodiments, a high-pressure oil outlet of the corresponding fuel injector of each cylinder and high pressure co-rail system it Between be arranged a high-pressure oil pipe.What the present embodiment was painted is the high-pressure oil pipe device with six-cylinder diesel engine for exemplary Length discrepancy. An e.g. cylinder high-pressure oil pipe 1, two cylinder high-pressure oil pipe 2, three cylinder high pressure oils 3 pipe, four cylinder high-pressure oil pipes 4, five cylinder high-pressure oil pipes 5 with And six cylinder high-pressure oil pipe 6 be arranged in 12, common rail pipe second between common rail pipe the first high-pressure oil outlet 11 and a cylinder injector Between high-pressure oil outlet 21 and two cylinder injectors 22, between common rail pipe third high-pressure oil outlet 31 and three cylinder injectors 32, common rail Between the 4th high-pressure oil outlet 41 of pipe and four cylinder injectors 42, between the 5th high-pressure oil outlet 51 of common rail pipe and five cylinder injectors 52 And between the 6th high-pressure oil outlet 61 of common rail pipe and six cylinder injectors 62, and a cylinder high-pressure oil pipe 1, two cylinder high-pressure oil pipe 2, three Cylinder high-pressure oil pipe 3, four cylinder high-pressure oil pipes 4, five cylinder high-pressure oil pipes 5 and six cylinder high-pressure oil pipes 6 are not required for necessary equal length, All can determine the length of every high-pressure oil pipe according to the needs of actual arrangement, to guarantee the interface at high-pressure oil pipe both ends Subject to consistent.
In some embodiments, the high-pressure oil pipe device of Length discrepancy further includes multiple first pipe clamps 7 and multiple second pipes Card 8, is arranged on high-pressure oil pipe adjacent to each other, and be located at close to high-pressure oil outlet one end or close to fuel injector one end and The middle position of high-pressure oil pipe.High-pressure oil pipe adjacent to each other can be two either more, multiple first pipe clamps 7 and multiple Second pipe clamp 8 is used to fix high-pressure oil pipe.The present embodiment is the first pipe clamp 7 in the present embodiment by taking six-cylinder diesel engine as an example It is that determine according to actual needs, the present invention is not specifically limited here with the quantity of the second pipe clamp 8 and setting position.
In conclusion the high-pressure oil pipe device of Length discrepancy of the invention has the advantage that it can be according to actual requirement It reasonably arranges high-pressure oil pipe, does not need to impose the length of every high-pressure oil pipe must be consistent, so that the arrangement of high-pressure oil pipe is non- It is often simple and convenient and both artistic and practical, moreover it is possible to save material.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.

Claims (5)

1. a kind of high-pressure oil pipe device of Length discrepancy, suitable for the diesel engine of high pressure co-rail system, the high pressure co-rail system packet Multiple high-pressure oil outlets are included, the diesel engine includes multiple cylinders, and the multiple cylinder corresponds to multiple fuel injectors, and feature exists In the high-pressure oil pipe device includes:
The corresponding the multiple fuel injector of the multiple cylinder and the height of the diesel engine is arranged in more high-pressure oil pipes Between the multiple high-pressure oil outlet for pressing common rail system, and the length of the more high-pressure oil pipes is unequal.
2. the high-pressure oil pipe device of Length discrepancy as described in claim 1, which is characterized in that each cylinder is corresponding described A piece high-pressure oil pipe is set between fuel injector and a high-pressure oil outlet of the high pressure co-rail system.
3. the high-pressure oil pipe device of Length discrepancy as described in claim 1, which is characterized in that the material of the more high-pressure oil pipes For metal.
4. the high-pressure oil pipe device of Length discrepancy as claimed in claim 3, which is characterized in that it further include multiple first pipe clamps, It is arranged on the high-pressure oil pipe adjacent to each other, and is located at close to described high-pressure oil outlet one end or close to the fuel injector one End, the multiple first pipe clamp is to the fixation high-pressure oil pipe.
5. the high-pressure oil pipe device of Length discrepancy as claimed in claim 3, which is characterized in that it further include multiple second pipe clamps, It is arranged on the middle position of the high-pressure oil pipe adjacent to each other, the multiple second pipe clamp is to the fixation high pressure oil Pipe.
CN201910038661.6A 2019-01-16 2019-01-16 The high-pressure oil pipe device of Length discrepancy Pending CN109488503A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910038661.6A CN109488503A (en) 2019-01-16 2019-01-16 The high-pressure oil pipe device of Length discrepancy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910038661.6A CN109488503A (en) 2019-01-16 2019-01-16 The high-pressure oil pipe device of Length discrepancy

Publications (1)

Publication Number Publication Date
CN109488503A true CN109488503A (en) 2019-03-19

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CN201910038661.6A Pending CN109488503A (en) 2019-01-16 2019-01-16 The high-pressure oil pipe device of Length discrepancy

Country Status (1)

Country Link
CN (1) CN109488503A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09170514A (en) * 1995-12-19 1997-06-30 Nippon Soken Inc Accumulator fuel injection device
CN1299005A (en) * 1999-12-03 2001-06-13 五十铃自动车株式会社 Co-rail type V shaped diesel engine
US6314946B1 (en) * 1997-01-16 2001-11-13 Isuzu Motors Limited Fuel injection system for diesel engines
CN2906103Y (en) * 2006-04-26 2007-05-30 潍柴动力股份有限公司 Arrangement structure for co-track high-pressure pipe of diesel engine
US20070295308A1 (en) * 2004-07-21 2007-12-27 Holger Rapp Common Rail System With Differently Embodied Supply Lines To The Injectors
CN107762692A (en) * 2017-12-01 2018-03-06 邓宇华 A kind of diesel engine for automobile fuel oil supply system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09170514A (en) * 1995-12-19 1997-06-30 Nippon Soken Inc Accumulator fuel injection device
US6314946B1 (en) * 1997-01-16 2001-11-13 Isuzu Motors Limited Fuel injection system for diesel engines
CN1299005A (en) * 1999-12-03 2001-06-13 五十铃自动车株式会社 Co-rail type V shaped diesel engine
US20070295308A1 (en) * 2004-07-21 2007-12-27 Holger Rapp Common Rail System With Differently Embodied Supply Lines To The Injectors
CN2906103Y (en) * 2006-04-26 2007-05-30 潍柴动力股份有限公司 Arrangement structure for co-track high-pressure pipe of diesel engine
CN107762692A (en) * 2017-12-01 2018-03-06 邓宇华 A kind of diesel engine for automobile fuel oil supply system

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Application publication date: 20190319

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