CN204532643U - Fuel distributor - Google Patents

Fuel distributor Download PDF

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Publication number
CN204532643U
CN204532643U CN201520020643.2U CN201520020643U CN204532643U CN 204532643 U CN204532643 U CN 204532643U CN 201520020643 U CN201520020643 U CN 201520020643U CN 204532643 U CN204532643 U CN 204532643U
Authority
CN
China
Prior art keywords
pressure
matrix
fuel distributor
lip part
sleeve
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.)
Active
Application number
CN201520020643.2U
Other languages
Chinese (zh)
Inventor
M·梅林
T·克瓦斯特
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.)
Benteler Automobiltechnik GmbH
Original Assignee
Benteler Automobiltechnik GmbH
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
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Application filed by Benteler Automobiltechnik GmbH filed Critical Benteler Automobiltechnik GmbH
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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
    • F02M55/02Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • F02M55/025Common rails
    • 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
    • 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
    • F02M61/168Assembling; Disassembling; Manufacturing; Adjusting
    • 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
    • F02M2200/00Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/80Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8061Fuel injection apparatus manufacture, repair or assembly involving press-fit, i.e. interference or friction fit
    • 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
    • F02M2200/00Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/85Mounting of fuel injection apparatus
    • F02M2200/855Mounting of fuel injection apparatus using clamp elements or fastening means, e.g. bolts or screws
    • 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
    • F02M2200/00Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/85Mounting of fuel injection apparatus
    • F02M2200/857Mounting of fuel injection apparatus characterised by mounting fuel or common rail to engine

Abstract

The utility model relates to a kind of fuel distributor, it has the pressure-accumulating tube (2) for holding the fuel be under pressure, described pressure-accumulating tube (2) comprises the matrix (10) of the forging with longitudinal cavity (11), and at least one link (12 is set on pressure-accumulating tube (2), 13) in order to assemble pressure-accumulating tube (2), described link (12, 13) comprise material be configured in the lip part (14) on matrix (10) uniformly integratedly and comprise sleeve (15), described sleeve (15) is pressed into its end in matrix side (16) in the hole (17) in lip part (14).Fuel distributor favourable in processing technique and in weight is realized by the utility model.

Description

Fuel distributor
Technical field
The utility model relates to a kind of fuel distributor.
Background technique
This fuel distributor be fuel supply device or fuel injection system constituent element and for the injection valve of transfer the fuel to internal-combustion engine.At this, the fuel reservoir of static pressurization is in pressure-accumulating tube and be supplied to each sparger each injection valve in other words of cylinder block distributively.
By the known a kind of fuel distributor of DE10247524B4, it has the pressure-accumulating tube being designed to foundry goods integratedly.
DE29521402U1 discloses a kind of fuel distributor, wherein, is had with the integrated pipe joint of forging manufacturing technique and fixed element by the pressure-accumulating tube of forging molding.These fixed elements form link, and these link forms are the fixing hanger of the through hole having to be become by Drilling operation.
In the fuel distributor of pressure-accumulating tube with forging, the matrix of pressure-accumulating tube is processed by boring and turning or milling usually.Especially longitudinal cavity is in the base by holing, usually being processed by so-called deep hole drill.This by rotate cutter and usually also carry out when matrix rotates.Prove disadvantageously uneven mass distribution in the base at this, when link longer relative to tubular matrix give prominence to time especially true.The assembling point of fuel distributor in vehicle or on engine cylinder-body is preset by manufacturer and different because of model.Each link also must be configured to long correspondingly.The link so far stretched out makes the turnery processing of the processing of matrix, especially matrix become difficulty.In addition, the link stretched out is gained in weight longly, especially because each link is being enhanced design, to ensure the necessary mobility of material in forging process in the transition region of matrix.
Model utility content
From prior art, task of the present utility model is, proposes a kind of fuel distributor favourable in processing technique and in weight.
According to the utility model, the solution of this task is a kind of fuel distributor, it has the pressure-accumulating tube for holding the fuel be under pressure, described pressure-accumulating tube comprises the matrix of the forging with longitudinal cavity, and at least one link is set on pressure-accumulating tube in order to assemble pressure-accumulating tube, it is characterized in that, described link comprises material and is configured in the lip part on matrix uniformly integratedly and comprises sleeve, and described sleeve to be pressed in the end of matrix side with it in hole in lip part.
The utility model beneficial effect to be in processing technique and in weight advantageously.
As further scheme, the utility model can comprise any one or multinomial in following characteristics:
Hole in described lip part is formed in the ladder in this hole;
Described ladder in hole in described lip part is configured for the backstop of the end of sleeve;
Described lip part has the gripping surface for assembling element on the side that it is opposed with sleeve.
Described assembling element is bolt, and described gripping surface is used for the bolt head of bolt.
At least one sparger flange material is configured on matrix uniformly integratedly.
The lip part of described link and the transition each other of sparger flange.
Fuel distributor has the pressure-accumulating tube for holding the fuel be under pressure.The matrix of pressure-accumulating tube is forging and has longitudinal cavity.For pressure-accumulating tube assembling being fixed in a motor vehicle in other words, link is set.
According to the utility model, each link comprises material and is configured in the lip part on matrix uniformly integratedly and comprises sleeve, and wherein, sleeve to be pressed in the end of matrix side with it in hole in lip part.
For manufacturing matrix, provide rough forging.This matrix than have with the shaping length of forging manufacturing technique the tradition forging pressure-accumulating tube of the connecting sheet that stretches out or link compactlyer shaping.Especially the internal stress that may have a negative impact is formed in the base when forging, especially when and then machining matrix, at this particularly when processing longitudinal cavity by deep hole drilling.Owing to avoiding the forging link far away in other words of the length of stretching out from matrix in by fuel distributor of the present utility model, therefore also reduce internal stress.
Rough forging is holed or turnery processing.At this, by the deep hole drilling in blank or in matrix, processing runs through longitudinal cavity of matrix along the longitudinal direction.The lip part of link is shaping when forging matrix or blank.In subsequent process steps, lip part is machined.In each lip part, the hole running through this lip part is processed at this.Sleeve is the independent component be formed from steel.Sleeve to be pressed in the end of matrix side with it in hole in lip part.Correspondingly, the internal diameter of the section of the external diameter of sleeve ends and the described end of the accommodation in hole is coordinated mutually, makes to produce interference fit and press fit after connection.
Described hole is the through hole in lip part, and this through hole forms ladder.Ladder in hole is configured for the backstop of sleeve ends.
Because the pressure techniques of sleeve in hole connects, produce reliable, durable between lip part and sleeve and the connection of high capacity can be born.The side opposed with sleeve of lip part is configured to the gripping surface of assembling element.Usual fuel distributor is fixed in cylinder block by the assembling element of bolt pattern.Each bolt is each passed through hole in lip part and sleeve, and is screwed in the tapped hole in cylinder block.Abut on flat gripping surface at this bolt head.
Another program specifies, sparger flange material is shaping on matrix integratedly uniformly.This also realizes in the process manufacturing matrix by forging manufacturing technique.The necessary attachment hole for connecting longitudinal cavity and injector interface is processed in each sparger flange.
Save space-efficient and also favourable in a stability design code, the lip part of link and the transition each other of sparger flange.
Accompanying drawing explanation
The utility model is described in detail below according to embodiment shown in the accompanying drawings.Wherein:
Fig. 1 is the perspective view by fuel distributor of the present utility model observed from oblique upper;
Fig. 2 is the perspective view by fuel distributor of the present utility model from tiltedly below observation;
Fig. 3 is the other perspective view of fuel distributor;
Fig. 4 is the partial sectional view of fuel distributor;
Fig. 5 is the vertical sectional view of fuel distributor.
Embodiment
Explain by fuel distributor 1 of the present utility model according to Fig. 1 to 5.
Fuel distributor 1 belongs to the storage ejecting system of internal-combustion engine.In this storage ejecting system, pressure produces and fuel sprays decoupling zero each other.Independent high-pressure service pump continues to produce pressure.The pressure independently formed with injection sequence provides lastingly in fuel distributor 1.
Fuel distributor 1 comprises the pressure-accumulating tube 2 of the fuel inlet 3 and multiple injector interface 4,5 had at pump side, and the fuel reservoir of static pressurization is in pressure-accumulating tube 2 and be supplied to each sparger of cylinder block distributively by each injector interface 4,5.Pressure transducer 7 is fixed in an end 6 of pressure-accumulating tube 2.The other end 8 is closed by closing cock 9.
Pressure-accumulating tube 2 has the matrix 10 of forging.Longitudinal cavity 11 is processed by deep hole drill in matrix 10.
In order to be fixed by fuel distributor 1 or assemble in a motor vehicle, matrix 10 arranges link 12,13.Each link 12,13 has the material when forging and is configured in lip part 14 on matrix 10 and independent sleeve 15 uniformly integratedly.Sleeve 15 to be pressed in the end 16 of matrix side with it and to be formed in lip part 14 in the hole 17 of ladder.At this, the ladder 18 in hole 17 is configured for the backstop of the end 16 of sleeve 15.
In addition, sparger flange 19,20 is configured on matrix 10 uniformly integratedly with forging manufacturing technique material.The lip part 14 of sparger flange 19,20 also as link 12,13 is cut processing.In sparger flange 19,20, injector interface 4,5 is configured with necessary attachment hole.
The side 21 opposed with sleeve 15 of lip part 14 is configured to assembling element, gripping surface 22 in particular for bolt head.Each sparger flange 19,20 have above and plane 23,24 below.In addition, in sparger flange 19,20, fitting opening 25 is processed.
In addition especially visible on the view of Fig. 2 and 3, link 13 in projection plane, be in lip part 14 below and sparger flange 20 transition each other.
Distance between the sleeve 15 bridge joint pressure-accumulating tube 2 of link 12,13 and engine cylinder-body.Lip part 14 on matrix 10 is suitable compact mouldings.Thus avoid from matrix 10 long give prominence to, with forging manufacturing technique processing connect stay.Weight reduction and especially make the machining of matrix 10 easier thus.
Reference numerals list
1 fuel distributor
2 pressure-accumulating tubes
3 fuel inlets
4 injector interface
5 injector interface
The end of 6 pressure-accumulating tubes
7 pressure transducers
The end of 8 pressure-accumulating tubes
9 closing cocks
10 matrixes
11 longitudinal cavitys
12 links
13 links
14 lip parts
15 sleeves
The end of 16 sleeves
17 holes
The ladder in 18 holes
19 sparger flanges
20 sparger flanges
The side of 21 lip parts
22 gripping surfaces
23 planes
24 planes
25 fitting opening

Claims (7)

1. fuel distributor, it has the pressure-accumulating tube (2) for holding the fuel be under pressure, described pressure-accumulating tube (2) comprises the matrix (10) of the forging with longitudinal cavity (11), and at least one link (12 is set on pressure-accumulating tube (2), 13) in order to assemble pressure-accumulating tube (2), it is characterized in that, described link (12, 13) comprise material be configured in the lip part (14) on matrix (10) uniformly integratedly and comprise sleeve (15), described sleeve (15) is pressed into its end in matrix side (16) in the hole (17) in lip part (14).
2. according to fuel distributor according to claim 1, it is characterized in that, the hole (17) in described lip part (14) is formed in the ladder (18) in this hole (17).
3. according to fuel distributor according to claim 2, it is characterized in that, the described ladder (18) in the hole (17) in described lip part (14) is configured for the backstop of the end (16) of sleeve (15).
4. according to the fuel distributor one of claims 1 to 3 Suo Shu, it is characterized in that, described lip part (14) has the gripping surface (22) for assembling element on the side (21) that it is opposed with sleeve (15).
5. according to fuel distributor according to claim 4, it is characterized in that, described assembling element is bolt, and described gripping surface (22) is for the bolt head of bolt.
6. according to the fuel distributor one of claims 1 to 3 Suo Shu, it is characterized in that, at least one sparger flange (19,20) material is configured on matrix (10) uniformly integratedly.
7. according to fuel distributor according to claim 6, it is characterized in that, the lip part (14) of described link (13) and sparger flange (20) transition each other.
CN201520020643.2U 2014-09-19 2015-01-13 Fuel distributor Active CN204532643U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202014104466.3U DE202014104466U1 (en) 2014-09-19 2014-09-19 Fuel distributor
DE202014104466.3 2014-09-19

Publications (1)

Publication Number Publication Date
CN204532643U true CN204532643U (en) 2015-08-05

Family

ID=51727829

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520020643.2U Active CN204532643U (en) 2014-09-19 2015-01-13 Fuel distributor

Country Status (4)

Country Link
EP (1) EP2998566B1 (en)
CN (1) CN204532643U (en)
DE (1) DE202014104466U1 (en)
HU (1) HU4520U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107760844A (en) * 2016-08-22 2018-03-06 本特勒尔汽车技术有限公司 Method and apparatus for manufacturing fuel distributor
CN108779749A (en) * 2016-03-11 2018-11-09 德西福格成型技术有限公司 Internal pressure bearing carrier (oily rail) and its manufacturing method
CN109139318A (en) * 2018-08-09 2019-01-04 联合汽车电子有限公司 Fuel dispensing tube and its manufacturing method
CN110500215A (en) * 2018-05-17 2019-11-26 罗伯特·博世有限公司 Fuel distributor and fuel injection system for internal combustion engine

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KR101715037B1 (en) * 2015-04-08 2017-04-03 주식회사 세림티앤디 Manufacturing method nd euipment using cold forging of fuel rail boss for vehicle engine
FR3078104B1 (en) * 2018-02-22 2021-07-23 Sogefi Air & Cooling MOUNTING BRACKET AND ENGINE ASSEMBLY INCLUDING IT
DE102018112951B4 (en) 2018-05-30 2022-10-27 Benteler Automobiltechnik Gmbh Method of making a fuel rail and fuel rail
EP3636912A1 (en) * 2018-10-08 2020-04-15 Continental Automotive GmbH Fuel rail for a fuel injection system for an internal combustion engine and method for manufacturing a fuel rail
DE102019120742B3 (en) * 2019-07-31 2021-02-04 Benteler Automobiltechnik Gmbh Fuel rail
EP3786439B1 (en) * 2019-08-27 2022-05-11 Vitesco Technologies GmbH Fuel rail assembly for an internal combustion engine and a method of producing a fuel rail assembly
DE102019123673B3 (en) * 2019-09-04 2020-12-10 Benteler Automobiltechnik Gmbh Fuel rail
DE102019133050A1 (en) * 2019-12-04 2021-06-10 Benteler Automobiltechnik Gmbh Fuel rail
DE102019220372A1 (en) * 2019-12-20 2021-06-24 Robert Bosch Gesellschaft mit beschränkter Haftung Fluid distributor for an injection system, in particular a fuel distributor strip for a fuel injection system for mixture-compressing, externally ignited internal combustion engines
WO2022268877A1 (en) 2021-06-24 2022-12-29 Robert Bosch Gmbh A reinforced fuel rail and a manufacturing process thereof
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Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN108779749A (en) * 2016-03-11 2018-11-09 德西福格成型技术有限公司 Internal pressure bearing carrier (oily rail) and its manufacturing method
CN108779749B (en) * 2016-03-11 2022-03-11 德西福格成型技术有限公司 Internal pressure bearing member (oil rail) and method for manufacturing same
CN107760844A (en) * 2016-08-22 2018-03-06 本特勒尔汽车技术有限公司 Method and apparatus for manufacturing fuel distributor
CN110500215A (en) * 2018-05-17 2019-11-26 罗伯特·博世有限公司 Fuel distributor and fuel injection system for internal combustion engine
CN109139318A (en) * 2018-08-09 2019-01-04 联合汽车电子有限公司 Fuel dispensing tube and its manufacturing method
CN109139318B (en) * 2018-08-09 2020-12-11 联合汽车电子有限公司 Fuel distribution pipe and method for manufacturing same

Also Published As

Publication number Publication date
EP2998566B1 (en) 2019-10-23
EP2998566A1 (en) 2016-03-23
HU4520U (en) 2015-03-30
DE202014104466U1 (en) 2014-09-25

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C14 Grant of patent or utility model
GR01 Patent grant