CN209494652U - For fuel to be distributed to the fuel distributor arragement construction of multiple injection valves - Google Patents
For fuel to be distributed to the fuel distributor arragement construction of multiple injection valves Download PDFInfo
- Publication number
- CN209494652U CN209494652U CN201821331533.8U CN201821331533U CN209494652U CN 209494652 U CN209494652 U CN 209494652U CN 201821331533 U CN201821331533 U CN 201821331533U CN 209494652 U CN209494652 U CN 209494652U
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- China
- Prior art keywords
- fuel
- distributor
- arragement construction
- tube
- longitudinal axis
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
- F02M55/025—Common rails
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/24—Fuel-injection apparatus with sensors
- F02M2200/247—Pressure sensors
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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
It describes a kind of for fuel to be distributed to the fuel distributor arragement construction (1) of multiple injection valves (3).The fuel distributor arragement construction has distributor tube (10), which stretches along longitudinal axis (L) and have multiple fuel outlets (12) to follow one another along the longitudinal axis (L).In addition, the arragement construction also has multiple connection adapters (20), it is configured for containing the input adapter tube of one of described injection valve (3) respectively.One of connection adapter (20) is respectively connected on each fuel outlet (12).The distributor tube (10) is integrally and material consistently constructs, and has at least one curved section (14).
Description
Technical field
This disclosure relates to a kind of for fuel to be distributed to the fuel distributor arragement construction of multiple injection valves.
Background technique
It is known for supplying fuel to the fuel distributor arragement construction of the fuel injection valve of internal combustion engine.These combustions
Material distributor arragement construction is fixed on motor, for example, they are tightened with cylinder head.Here, they must so be positioned, so that
Fuel injection valve is correctly orientated towards the valve receiving portion in motor, particularly cylinder head.In valve receiving portion and motor
On fixed point between position and spacing generally require the complicated moulding of fuel distributor arragement construction.
Utility model content
The purpose of the disclosure is thus to provide that a kind of abnormal cost is cheap and reliable fuel distributor arragement construction.
The purpose is achieved by a kind of fuel distributor arragement construction, is had: distributor tube, the distributor tube edge
Longitudinal axis stretch and have multiple fuel outlets to follow one another along the longitudinal axis；Multiple connection adapters, point
It is not configured for containing the input adapter tube of one of described injection valve, wherein be respectively connected on each fuel outlet described
Connect one of adapter, wherein the distributor tube is integrally and material consistently constructs, and has at least one curved
Section.The expedients of the fuel distributor arragement construction and improvement are obtained by subsequent description and accompanying drawings: the curved area
Section is especially pressure sensing with one of described fuel outlet, the fuel inlet of the distributor tube and/or for sensor
Connector, so that the fuel outlet or the fuel inlet or the connector are laterally staggered relative to the longitudinal axis；Wherein,
The distributor tube has multiple curved sections；Wherein, at least two curved sections are on different direction in spaces
Bending；Wherein, the curved section is respectively provided with one of described fuel outlet, so that corresponding fuel outlet is relative to described
Longitudinal axis is laterally staggered；Wherein, the curved section or corresponding curved section the center of curvature and fuel outlet
It is arranged on the opposed side of the longitudinal axis；Wherein, the connection adapter shape-ordinatedly and/or material mating and institute
Distributor tube connection is stated, or is integrally constructed with the distributor tube；Wherein, the distributor tube has continuous bend everywhere
Cross section；Wherein, the distributor arragement construction has holding member, is especially to maintain fishplate bar, which matches
Close two curved sections to follow one another along longitudinal direction that ground connect with the distributor tube, and is arranged in the distributor tube
Between；Wherein, the holding member and the connection adapter are arranged on the opposed side of the longitudinal axis.
It describes a kind of for fuel to be distributed to the fuel distributor arragement construction of multiple injection valves.The arragement construction is outstanding
It is the fuel distributor arragement construction of the internal combustion engine for internal combustion engine, preferably external source igniting.Motor is, for example, the horse of motor vehicle
It reaches.Injection valve is particularly designed for use in the combustion chamber that fuel is injected directly into motor respectively.
The arragement construction has distributor tube.The distributor tube is stretched along longitudinal axis.It has multiple fuel outlets.These
Fuel outlet is for example respectively configured to the eyelet in tube wall.These fuel outlets follow one another along longitudinal axis.Distributor tube
Fuel is valuably designed to guide from high-pressure pump to fuel outlet.
In addition, fuel distributor arragement construction also has multiple connection adapters.These connection adapters valuably can be with
It is cupuliform, so that they are referred to as fuel bowl.Each connection adapter is configured for containing one of injection valve
Input adapter tube.The end of input adapter tube especially at least one nozzle away from injection valve of injection valve.In each fuel outlet
On be all respectively connected to connection one of adapter.
Distributor tube is integrally and material consistently constructs.This means especially that it is not made of multiple components.Point
The metal tube of orchestration pipe especially single type.
Distributor tube has at least one curved section.This means especially that the center line of distributor tube is curved
It does not stretch with longitudinal axis in the region of section and does not stretch with axis coaxial in parallel especially.Center line is special herein
It is the center of gravity as the cross section of distributor tube along line defined in longitudinal axis.In the region of curved section, along vertical
In the trend of axis, originally the distance of centerline longitudinal axis increases, and then reduces again.Preferably, in distributor tube
Heart line contacts longitudinal axis in the end of two axial directions of curved section.
By means of curved section, other compositions of fuel outlet or connection adapter and fuel distributor arragement construction
Part, such as holding member, fuel inlet, end part plug or sensor connector can be arranged in offseting one from another and be especially
By the position that the geometric modeling of motor is given.Thus without additional or complicated components, these components needs are used for
The extra cost of manufacture and assembling.Current fuel distributor arragement construction can with especially saving material quilt in this way
Manufacture.Mechanical stress between each component part of fuel distributor arragement construction can be kept as especially small, mode
In particular, the distance connected in distributor tube and for example between adapter or holding member can be especially small.Especially working
Period is applied to the bending torque in fuel distributor arragement construction can be especially small.
In this way and by means of one and the consistent distributor tube of material, the arragement construction fit particularly well
Together in the fuel pressure or 250 of high fuel pressure, such as 100 bars or bigger of fuel pressure, especially 150 to 250 bars
To 500 bars of fuel pressure, wherein separately including boundary value.Meanwhile the component part of fuel distributor arragement construction utilizes spy
Not small material thickness is just enough to deal with, so as to which the arragement construction is inexpensively made.
In one embodiment, curved section have one of fuel outlet, distributor tube fuel inlet or be used for
The connector of sensor.Connector for sensor can be in particular for the connector of pressure sensor.Alternatively or additionally, curved
Bent section also can have the end part plug of distributor tube.Here, curved section so forms, so that fuel outlet, combustion
Material entrance, the connector for sensor or end part plug are laterally staggered relative to longitudinal axis.Particularly, fuel outlet or combustion
Expect entrance or connector for sensor or end part plug center of gravity, by curved section center line and longitudinal axis support
It is spaced apart in the top view for the plane opened with longitudinal axis.For example, fuel inlet or end part plug-they can valuably arrange
On the opposed axial end portion of distributor tube-additionally can be torsionally orientated relative to longitudinal axis by curved section.
In a kind of beneficial embodiment, distributor tube has multiple curved sections.In this way, fuel point
Each component part of orchestration arragement construction can be located in the case where being not necessarily to the auxiliary of other components by horse particularly well
At the given position of the moulding reached.
In one embodiment, at least two curved sections are on different direction in spaces, i.e. in different bendings
Plane inner bending.In other words, fuel distributor pipe at least have the first curved section to follow one another along longitudinal axis and
Second curved section.By the center line and the distracted plane of longitudinal axis of the first curved section and by the second curved section
Center line and the distracted plane of longitudinal axis are tilted in relation to each other.They especially intersect on longitudinal axis.By in different directions
On bending, to positioning requirements-height, width and the depth of the component part of fuel distributor arragement construction in different directions
Degree-available satisfaction.
In a kind of beneficial embodiment, each curved section respectively has one of fuel outlet, to fire accordingly
Material outlet is laterally staggered relative to longitudinal axis.It is preferred that each fuel outlet and corresponding connection adapter connected to it have
There are common central axes, which relative to longitudinal axis or is obliquely stretched and spaced away.Particularly, it is bent
Section the center of curvature and curved section fuel outlet, especially along fuel outlet and connection adapter it is common
Central axes top view in, be arranged on the opposed side of longitudinal axis.The center of curvature of curved section is herein especially
It is the center of curvature of the center line of curved section.
In one embodiment, connection adapter shape-ordinatedly and/or material mating connect with distributor tube.It is special
Not, these connection adapters are directly adjacent with distributor tube, and preferably weld with it.In a kind of alternative embodiment,
These connection adapters are molded into distributor tube, that is to say, that they are the whole component parts of distributor tube, and with this
Distributor tube integrally constructs.It advantageously has no connecting tube or connection hose and leads to connection adaptation from the fuel outlet of distributor tube
Device.
In one embodiment, distributor tube has the cross section of continuous bend.Particularly, the distributor tube is everywhere all
There is the cross section of continuous bend.This is relatively it is meant that the cross section-of distributor tube is especially distributor tube along the longitudinal axis
Any cross section-of any position of line is all made of the buckling curve of no bent angle.In this way, distributor tube is special
It is suitable for the high pressure for example in 150 bars to 500 bars or more of range not goodly.
In one embodiment, distributor arragement construction has holding member.The holding member is especially to maintain fishplate bar.
Holding member is valuably arranged for distributor arragement construction-especially distributor tube-being fixed on the preferred gas of motor-
On cylinder head-.Holding member shape-ordinatedly and/or material mating connect with distributor tube.The holding member is preferably placed in
Between the curved section that two of distributor tube follow one another along longitudinal direction.In this way, holding member and connection adaptation
Device is advantageously staggered transverse to longitudinal axis opposite to each other.Then following arragement construction can be simply implemented, in the arragement construction
Middle fixed point is arranged close to distributor tube, and injector must be staggered relative to fixed point.Preferably, holding member and company
Adapter is connect to be arranged on the opposed side of longitudinal axis.Particularly, in common along fuel outlet and connection adapter
On the direction of axis, holding member and connection adapter are arranged on the different sides of distributor tube.
Detailed description of the invention
Other advantages and expedients of fuel distributor arragement construction and improvement are by the reality below being described in conjunction with the accompanying
Example is applied to obtain.Wherein:
Fig. 1 shows the top view of the fuel distributor arragement construction of one embodiment according to the present utility model；
Fig. 2 shows the side views transverse to longitudinal axis of the fuel distributor arragement construction of Fig. 1；
Fig. 3 shows the side view along longitudinal axis of the fuel distributor arragement construction of Fig. 1；And
Fig. 4 shows the perspective view of the fuel distributor arragement construction of Fig. 1.
Identical, similar or phase same-action component indicates identical appended drawing reference in these figures.In some figures,
For the sake of being illustrated, an other appended drawing reference can be saved.
Specific embodiment
It is shown in Fig. 1 to 4 a kind of for fuel to be distributed to the fuel distributor arragement construction 1 of multiple injection valves 3.
Here, Fig. 4 show the perspective view of the fuel distributor arragement construction 1, Fig. 1 show top view, and Fig. 2 and 3 is shown
Transverse to or along longitudinal axis L side view.
The fuel distributor arragement construction 1 has the combustion for extending to end part plug 18 from fuel inlet 16 along longitudinal axis L
Expect distributor tube 10.The fuel distributor pipe 10 has multiple fuel outlets 12.
These fuel outlets 12 be arranged in fuel distributor pipe 10 in Fig. 1 on invisible bottom side, and therefore in Fig. 1
In be only shown in broken lines.These fuel outlets especially follow one another at an equal pitch along longitudinal axis L.
In addition, fuel distributor arragement construction 1 has the connection adapter 20 of multiple cupuliforms.These connection adapters 20 are straight
Connect it is adjacent with distributor tube 10, thus the connection of one of each fuel bowl 20 and fuel outlet 12 — that is, Fluid Sealing and its
Connection.
These connection adapters 20 are configured for containing the input adapter tube of injection valve 3 respectively.
One of injection valve 3 is schematically shown in Fig. 4, remaining injection valve is saved for simplicity.At this
In embodiment or other embodiments, these injection valves 3 can be the component part of fuel distributor arragement construction 1.They are working as
Before be arranged for for fuel, such as gasoline being injected directly into external source igniting internal combustion engine combustion chamber in.For example, they are set
Count for-such as 150 bars between 100 and 200 bars-operating pressure, or for 300 to 500 bars of model
- such as 350 bars in enclosing-operating pressure.
In addition, fuel distributor arragement construction 1 also has multiple holding fishplate bars 30, these keep fishplate bar shape-ordinatedly
And/or material mating connect with distributor tube 10.
Distributor tube 10 is single type and the consistent metal tube of material.It has cylindrical basic configuration, thus it
Everywhere all with the cross section of continuous bend.Cylindrical or oval basic configuration is also suitable for other of the arragement construction
Embodiment.
Distributor tube 10 has multiple curved sections 14.Currently, each curved section 14 has fuel outlet 12
One of.The curved so molding of section 14, so that the center of curvature M of corresponding fuel outlet 12 and corresponding curved section 14
It is arranged on the opposed side of longitudinal axis L.Schematically illustrate center of curvature M's for one of curved section M in Fig. 1
Position, and one of be directed to curved section 14 and schematically illustrate distance D of the fuel outlet relative to longitudinal axis L.?
Depicted in Fig. 3 fuel outlet 12 and connect adapter 20 common central axes, the central axes relative to longitudinal axis L laterally
The distance that has been staggered D.
These keep fishplate bars 30 to be arranged between two successive curved sections 14, and towards fuel inlet
16 or end part plug 18 direction on be located at the first curved section before and after last curved section.With common
Central axes 10 be reference, keep fishplate bar 30 be arranged in the top of longitudinal axis L, and connect adapter 20 arrangement thereunder
(can be clear that in Fig. 2).
For the fuel distributor arragement construction 1 according to current embodiment, all curved section 14 is all at this
It is bent on the direction in space of sample.That is, all the center line of curved section 14 is all located in common plane.For replacing
For the embodiment in generation, it can be inclined opposite to each other by the center line and the distracted plane of longitudinal axis of corresponding curved section 14
Tiltedly.Then with current embodiment on the contrary, for example it is corresponding connection adapter 20 and fuel outlet 12 common central axes C not
Direction having the same again, but be tilted in relation to each other.It alternatively or additionally may also be considered that, the end of distributor tube 10
Section is curved, so that fuel inlet 16 and/or end part plug 18 are reversed relative to longitudinal axis 11.
The utility model is not confined to these embodiments because of the explanation carried out by means of embodiment.On the contrary, this is practical
Novel any combination for covering any new feature and feature, this especially includes any combination of feature in embodiment.
Claims (12)
1. one kind is used to distribute to fuel the fuel distributor arragement construction (1) of multiple injection valves (3), have:
Distributor tube (10), the distributor tube along longitudinal axis (L) stretch and have it is multiple along the longitudinal axis (L) that
This successive fuel outlet (12)；
Multiple connection adapters (20) are configured for containing the input adapter tube of one of described injection valve (3) respectively,
In, one of described connection adapter (20) is respectively connected on each fuel outlet (12),
Wherein, the distributor tube (10) is integrally and material consistently constructs, and has at least one curved section
(14).
2. according to fuel distributor arragement construction (1) described in preceding claims, wherein the curved section (14) has
One of described fuel outlet (12), the fuel inlet (16) of the distributor tube (10) and/or the connector for sensor, thus
The fuel outlet (12) or the fuel inlet (16) or the connector are laterally staggered relative to the longitudinal axis (L).
3. according to fuel distributor arragement construction (1) described in any one of preceding claims, wherein the distributor tube
(10) there are multiple curved sections (14).
4. fuel distributor arragement construction (1) described in accordance with the claim 3, wherein at least two curved sections
(14) it is bent on different direction in spaces.
5. fuel distributor arragement construction (1) described in accordance with the claim 3, wherein the curved section (14) has respectively
There is one of described fuel outlet (12), so that corresponding fuel outlet (12) is laterally staggered relative to the longitudinal axis (L).
6. according to fuel distributor arragement construction (1) described in claim 2 or 5, wherein the curved section (14) or
The center of curvature (M) and fuel outlet (12) of corresponding curved section (14) are arranged in the opposed side of the longitudinal axis (L)
On.
7. fuel distributor arragement construction (1) according to claim 1 or 2, wherein connection adapter (20) shape
Ordinatedly and/or material mating connect with the distributor tube (10), or integrally constructed with the distributor tube (10).
8. fuel distributor arragement construction (1) according to claim 1 or 2, wherein the distributor tube (10) is everywhere all
There is the cross section of continuous bend.
9. fuel distributor arragement construction (1) described in accordance with the claim 3, wherein the distributor arragement construction (1) has
Holding member, which shape-ordinatedly connect with the distributor tube (10), and is arranged in the distributor tube
Between two curved sections (14) that (L) follows one another along longitudinal direction.
10. fuel distributor arragement construction (1) according to claim 9, wherein the holding member and the connection are suitable
Orchestration (20) is arranged on the opposed side of the longitudinal axis (L).
11. fuel distributor arragement construction (1) according to claim 2, wherein the sensor is pressure sensing.
12. fuel distributor arragement construction (1) according to claim 9, wherein the holding member is to maintain fishplate bar
(30).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202017004340.8U DE202017004340U1 (en) | 2017-08-17 | 2017-08-17 | Fuel rail arrangement with a bent portion |
| DE202017004340.8 | 2017-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209494652U true CN209494652U (en) | 2019-10-15 |
Family
ID=59885902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821331533.8U Active CN209494652U (en) | 2017-08-17 | 2018-08-17 | For fuel to be distributed to the fuel distributor arragement construction of multiple injection valves |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN209494652U (en) |
| DE (1) | DE202017004340U1 (en) |
-
2017
- 2017-08-17 DE DE202017004340.8U patent/DE202017004340U1/en active Active
-
2018
- 2018-08-17 CN CN201821331533.8U patent/CN209494652U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE202017004340U1 (en) | 2017-08-30 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230525 Address after: Regensburg, Germany Patentee after: WeiPai Technology Co.,Ltd. Address before: Hannover Patentee before: CONTINENTAL AUTOMOTIVE GmbH |