CN106662061A - Fuel injection system having an assembly for joining a fuel injection valve with a fuel conveying component - Google Patents

Fuel injection system having an assembly for joining a fuel injection valve with a fuel conveying component Download PDF

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Publication number
CN106662061A
CN106662061A CN201580042327.8A CN201580042327A CN106662061A CN 106662061 A CN106662061 A CN 106662061A CN 201580042327 A CN201580042327 A CN 201580042327A CN 106662061 A CN106662061 A CN 106662061A
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CN
China
Prior art keywords
connection clip
adapter piece
cup
shaped seat
face
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.)
Granted
Application number
CN201580042327.8A
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Chinese (zh)
Other versions
CN106662061B (en
Inventor
K·朗
A·雷瓦尔德
I·雷蒂希
G·京格尔
H·布洛博
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Robert Bosch GmbH
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Robert Bosch GmbH
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Publication date
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Publication of CN106662061A publication Critical patent/CN106662061A/en
Application granted granted Critical
Publication of CN106662061B publication Critical patent/CN106662061B/en
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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
    • 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
    • F02M2200/00Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/85Mounting of fuel injection apparatus
    • F02M2200/853Mounting of fuel injection apparatus involving use of quick-acting mechanism, e.g. clips
    • 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
    • F02M2200/856Mounting of fuel injection apparatus characterised by mounting injector to fuel or common rail, or vice versa

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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 relates to an assembly (3) for joining a connection part (4) of a fuel injection valve (5) with a cup (6) of a fuel-conveying component (2), wherein a joining clamp (15) is provided. In the assembled state, the joining clamp (15) joins the connection part (4) of the fuel injection valve (5) to the cup (6). In this way, a contact contour (39) provided on the connection part (4) and a contact contour (33) provided on the joining clamp (15), at which a contact between the connection part (4) and the joining clamp (15) is achieved in the assembled state, are adapted to one another in such a way that a bearing (45) of the connection part (4) on the joining clamp (15) is guaranteed, enabling a swivelling of the connection part (4) in relation to a longitudinal axis (24) of the cup (6).

Description

Fuel injection with the component for being used to connect Fuelinjection nozzle and fuel guide member Equipment
Technical field
The present invention relates to a kind of group for the adapter piece of Fuelinjection nozzle to be connected with the cup-shaped seat of fuel guide member Part and a kind of fuel injection apparatus with fuel guide member, Fuelinjection nozzle and such component, the component is used for will Fuelinjection nozzle is connected with the cup-shaped seat of fuel guide member.The present invention be more particularly directed to be used to mix in the external source ignition type for compressing The fuel injection apparatus field of combustion engine.
Background technology
Disclose a kind of fuel injection for internal combustion engine fuel injection equipment in the A1 of DE 10 2,005 009 740 to fill Put.The fuel injection device has Fuelinjection nozzle, for Fuelinjection nozzle being received into receiver hole in cylinder cover and being carried The fuel rail road of jointing part, is put into the jointing part fuel injection valve portion overlap joint.Here is arranged so as to Connector so that Fuelinjection nozzle is maintained on connector, Fuelinjection nozzle and connector are all with the receiver hole of cylinder cover The face that do not extend with Fuelinjection nozzle diameter parallel or wall are without being snugly placed into.Connector here implement into it is tubular and With flange is kept, by the holding flange, Fuelinjection nozzle is stuck on housing shoulder from below.
Known fuel injection device has frame mode complicated and part makes in the A1 of DE 10 2,005 009 740 With the shortcoming of multiple components.
The content of the invention
Invention components with claim 1 feature and the fuel injection of the present invention with claim 11 feature set Get everything ready and have the advantage that:Improved configuration and improved functional mode can be realized.Particularly can keep function or Say and realize improved characteristic in terms of for the linkage function for being connected Fuelinjection nozzle with fuel guide member.
The component for illustrating in claim 1 can be realized and in right by the measure enumerated in the dependent claims Require the advantageous extension scheme of the fuel injection apparatus of explanation in 11.
The fuel injection apparatus are particularly suitable for gasoline and directly spray.Additionally, drawing with fuel for connecting Fuelinjection nozzle The component for leading the cup-shaped seat of part is particularly suitable for direct petrol-injected fuel injection apparatus, wherein, fuel guide member is excellent Choosing is configured to fuel distributor, is especially configured to fuel distribution bar.Preferably, multiple Fuelinjection nozzles pass through fuel guide portion to here Part, especially respective numbers cup-shaped seat of the fuel with distributor are fixing.Afterwards, on the one hand fuel distributor can be used to fire Material is assigned on multiple Fuelinjection nozzles, especially on high-pressure injection valve.On the other hand, fuel distributor here is also used as For the common fuel memory of these Fuelinjection nozzles.Advantageous by the company with corresponding connection clip after Fuelinjection nozzle Connected components are connected with the cup-shaped seat of fuel distributor.In operation, Fuelinjection nozzle is preferred by the fuel for needed for combustion process In being injected to corresponding combustion chamber under high pressure.Here, fuel can by high-pressure pump compression and flow rates controlled by height Pressure pipe road is transported in fuel distributor.
Fuelinjection nozzle is not the necessary component of invention components.Particularly, at first adapter piece can also be provided For the independent component that can be connected with the adapter of the fuel of Fuelinjection nozzle.Here there is also such possibility:In an advantageous manner Axial restraint region is set in the fuel adapter of Fuelinjection nozzle.Can be fitted in an advantageous manner by the axial restraint region It is assigned in corresponding applicable cases.For example adapter piece can exactly be welded to the sleeve unit of the fuel adapter of Fuelinjection nozzle with position On part so that Fuelinjection nozzle position of related features in a combustion chamber can be reduced.Therefore can ensure that Fuelinjection nozzle in cylinder cover In position of related features high-quality, this with especially optimizing discharge important prerequisite for burning.But in an alternate configuration, connect Head can also be with the fuel adapter one-piece configuration of Fuelinjection nozzle.
Cup-shaped seat and/or fuel guide member are not necessarily the parts of invention components.Especially, suitable cup Shape seat can also be connected as independent component with fuel guide member.
Therefore, Fuelinjection nozzle and/or cup-shaped seat and/or fuel guide member can also be made independently of invention components Make and sell.
Fixation of the Fuelinjection nozzle on cup-shaped seat is carried out essentially by connection clip.Connection clip has contact profile, should Contact profile allows to compensate site error, without the cross force loading Fuelinjection nozzle not allow.On connection clip Contact profile and adapter piece on contact profile form favourable supporting of the Fuelinjection nozzle in its suspending mechanism.Here, Connection clip can be carried out with very rigid and antifatigue, wherein, even if there is possible shape and position in single part Error, by the position compensation without cross force, Fuelinjection nozzle does not receive load yet.
The fixation principle is particularly well adapted to and combines advantageous by cup-shaped seat made by shaping, because here can be with Molding the flange geometry of needs and can cutting becomes fixed required geometry.Fuelinjection nozzle and connection clip Position orientation equally can realize in size and geometry.
Connection clip as fixed cell can be inserted on cup-shaped seat by once-through operation and be joined to cup before being inserted into Fuelinjection nozzle in shape seat is in other words on Fuelinjection nozzle adapter piece.
Here can also arrange elastic damping element, and the damping element is arranged in Fuelinjection nozzle Fuelinjection nozzle in other words Between adapter piece and cup-shaped seat.Such elastic damping element has the advantage that, you can set with improving fuel injection substantially Standby noise performance, because avoiding cup-shaped seat and Fuelinjection nozzle directly connecing between Fuelinjection nozzle adapter piece in other words Touch, especially direct metal contact.
By the contact profile that is arranged on adapter piece and the contact profile being arranged on connection clip (on these profiles There is the contact between adapter piece and connection clip in confined state), it is ensured that favourable supporting of the adapter piece on connection clip, the supporting Adapter piece is allowed to swing relative to the longitudinal axis of cup-shaped seat, its mode is:These contact profiles are mutually matched in a suitable manner Ground configuration.Here is contemplated that various possibilities of contact profile and connection clip the contact profile for configuration adapter piece, borrows These possibilities are helped to realize favourable supporting of the adapter piece on connection clip.
Advantageously, it is ensured that supporting of the adapter piece on connection clip has two frees degree.It is also advantageous that, connection clip Contact profile there is the first connection clip part face and the second connection clip part face, these connection clip part faces are relative to cup-shaped seat Longitudinal axis it is mutually opposing.Particularly advantageously, the first connection clip part face and the second connection clip part face are co-located on here In one imaginary concave panel.In like fashion, adapter piece can be bearing at least two connection clip part faces, to ensure joint The supporting that permission adapter piece of the part on connection clip swings relative to cup-shaped seat longitudinal axis.Here, it is also ensured that the supporting tool There are two frees degree.Thus the position compensation without cross force can also be realized so that possible shape occurs in single part in valve Load is not received in the case of shape and site error yet.At the same time it is possible that connection clip is carried out stone and antifatiguely. The additional reinforcing of connection clip can also be realized in terms of corresponding applicable cases, this can for example pass through suitable stabilisation closing Part is realizing.
Also advantageously, the contact profile of connection clip has the 3rd connection clip part face, and connection clip has first side portion Point, the first connection clip part face is constructed on the first side part, connection clip has second side part, in second side The second connection clip part face of configuration on the part of face, connection clip has the 3rd lateral parts, constructs on the 3rd lateral parts 3rd connection clip part face, also, the 3rd lateral parts are connected first side part with second side part.In like fashion Additional support of the adapter piece by the 3rd connection clip part face especially can be realized in the case where two frees degree are ensured.This Outward, connection clip is it is possible thereby to U-shaped ground configuration, this causes the assembling significantly transfiguration for Fuelinjection nozzle to be connected with cup-shaped seat Easily.
Also advantageously, connection clip has open side to here, longitudinal axis and threeth side of the open side relative to cup-shaped seat Face part is opposed, also, is provided with least one stabilisation closure member, the stabilisation closure member in order in the open side by One side part is connected with second side part and is applied on connection clip.Connection clip can be realized by stabilizing closure member Additional reinforcing.
By passing through to stabilize connection clip that closure member is reinforced, particularly strong if necessary, can reliably prevent The large deformation not allowed of connection clip.Therefore prevent Fuelinjection nozzle from predetermined ideal position out, in what is do not allowed Big motion in scope.Thus the function event that for example may cause due to mutually the opening for lateral parts of connection clip is prevented Barrier, in the case of the functional fault, Fuelinjection nozzle is no longer sufficiently supported in folder and thus substantially from centre position Tumble.Therefore, do not appear in inside Fuelinjection nozzle it is being likely to occur under this tipping condition not allowed, do not allow Cross force.
Especially it is possible to make connection clip in its open side by described at least one stabilisation closure member, so as to logical Often hold onto in the maximum region of deformation.Therefore reduce or prevent the deformation of connection clip.
Here can also reduce or prevent the issuable deformation due to the hydraulic coupling from internal pressure of connection clip. This, connection clip is preferably at contact profile, especially in the closing open side at the contact profile of connection clip.
Stabilizing closure member can answer for corresponding applicable cases configuration and corresponding to its configuration for corresponding It is equipped adequately in situation, especially installing space.
Advantageously, stabilizing closure member can be applied on connection clip here perpendicular to the longitudinal axis of cup-shaped seat, wherein, surely Surely change closure member to be on the one hand connected with first side part and on the other hand with second side part formation kayser.This is caused i.e. Make in connection clip, cup-shaped seat narrow and small feelings in the position of fuel guide member and Fuelinjection nozzle in other words between adapter piece in other words Also can realize stabilizing the simple assembling of closure member under condition.Here, stabilize closure member for example can be clamped on connection clip simultaneously And snap at this moment on lateral parts.
Also can be applied on connection clip parallel to the longitudinal axis of cup-shaped seat it is possible that stabilizing closure member, wherein, it is stable Change closure member on the one hand from catching first side part below and on the other hand from catching second side part below.In the structure In type additionally can also kayser in final position.This can for example by being entrapped in first side part and/or the second side One or more kayser hooks in suitable notch on the part of face are carrying out.Here is particularly, and stabilizing closure member can be by Elapse on connection clip, until the stabilisation closure member is snapped in final position.Stabilizing closure member if necessary can also many work( Energy ground configuration, can either to assemble perpendicular to the assembling of the longitudinal axis of adapter piece and parallel to the longitudinal axis of adapter piece.
Additionally, in terms of the configuration of the contact profile on adapter piece and connection clip advantageously, the contact profile of adapter piece With the first adapter piece part face and the second adapter piece part face, when adapter piece is aligned relative to longitudinal axis, the adapter piece Part face is mutually opposing with regard to the longitudinal axis of cup-shaped seat.These adapter piece part face heres of the contact profile of adapter piece can also It is the part face in the continuous adapter piece face of adapter piece.First adapter piece part face is associated with the first connection clip part face, and Two adapter piece parts face are associated with the second connection clip part face.
At configuration adapter piece part face advantageously, these adapter piece part faces are co-located on an imaginary convex In.Here can also arrange other adapter piece part face.Especially, the contact profile of adapter piece can also have the 3rd joint Part part face.3rd adapter piece part face can then be associated with if necessary the 3rd connection clip part face.
Therefore stabilisation closure member can be provided with advantageous by a small amount of component, particularly by a connection clip or one Connection clip one or more Fuelinjection nozzles are fixed on fuel guide member or inside fuel injection apparatus.Thereby guarantee that It is firm, can structure that is antifatigue and can simply assembling in addition.
Here can realize that little installation is empty on the longitudinal direction relative to Fuelinjection nozzle and/or in a lateral direction Between demand.Additionally, the cup-shaped seat of connecting shaping can realize inexpensive and durable structure.In addition short tolerance chain is obtained, because To implement a small amount of part with closed tolerance, this causes the accurate injection valve position in combustion chambers of internal combustion engines.
Additionally, the noise performance that can realize improving by using damping element.Here can be for Fuelinjection nozzle reality Existing integrated position orientation.
Due to the special contact geometry shape in Fuelinjection nozzle in other words between adapter piece and connection clip, may deposit The installation without cross force can be also realized in site error.It is furthermore possible to realize the disassembled simply of fixed part, especially connection clip Disassembled simply, the connection clip allows simply refuelling injection valve or torn open for functional check or analogue Unload.
In addition the cup-shaped seat of drawing can be used, this is substantially cost advantages compared with the receiving element using cutting. This can also realize the function of hold down gag.Here can additionally realize the having with complete tolerance compensating of Fuelinjection nozzle Profit supporting.Spend bright with little especially by the possible bending that connection clip can be prevented using stabilisation closure member and with this It is aobvious to reduce tumbling for Fuelinjection nozzle.
Description of the drawings
The preferred embodiments of the present invention, in the drawings, phase are further described with reference to the accompanying drawings in the following description The element answered is provided with consistent reference marker.Accompanying drawing is illustrated:
Fig. 1 has for the adapter piece of Fuelinjection nozzle is corresponding to the fuel injection apparatus of the component that cup-shaped seat connects In the brief schematic perspective view of first embodiment of the invention;
The brief schematic perspective view of fuel injection apparatus shown in Fig. 1 of Fig. 2 first embodiment of the invention, concrete fuel Injection valve;
Fig. 3 corresponding to first embodiment Fig. 1 shown in component connection clip schematic perspective view;
Fig. 4 corresponding to first embodiment of the invention Fig. 1 shown in fuel injection apparatus brief schematic cross section;
Fig. 5 corresponding to second embodiment of the invention Fig. 1 shown in fuel injection apparatus brief schematic cross section;
Fig. 6 has corresponding to for the spraying equipment of the component for the adapter piece of fuel injection apparatus to be connected with cup-shaped seat The brief schematic perspective view of third embodiment of the invention;
Fig. 7 has for the adapter piece of Fuelinjection nozzle is corresponding to the fuel injection apparatus of the component that cup-shaped seat connects In the brief schematic perspective view of fourth embodiment of the invention;
Fig. 8 has for the adapter piece of Fuelinjection nozzle is corresponding to the fuel injection apparatus of the component that cup-shaped seat connects In the brief schematic perspective view of fifth embodiment of the invention.
Specific embodiment
Fig. 1 is illustrated with fuel guide member 2 with brief schematically three-dimensional view corresponding to first embodiment of the invention With the fuel injection apparatus 1 of component 3, the component is used for the adapter piece 4 of Fuelinjection nozzle 5 (Fig. 2) and fuel guide member 2 Cup-shaped seat 6 connects.The here of fuel guide member 2 has tubular matrix 7 and cup-shaped seat 6, wherein, in addition to cup-shaped seat 6, preferred edge The axially-extending portion for tubular matrix 7 is also fixed on other cup-shaped seats on tubular matrix 7.For simplified illustration, here is only shown Go out a section of tubular matrix 7, wherein, tubular matrix 7 extends along its axis 8 in enough length.
In this embodiment, tubular matrix 7 can be configured to fuel distributor 2, the guiding of especially fuel distribution bar 2 to fire A part for the component 2 of material.The inner chamber 9 of tubular matrix 7 is then used as fuel storage device, to store fuel under high pressure simultaneously And fuel is assigned on appropriate number of Fuelinjection nozzle 5 by the cup-shaped seat 6 of respective numbers.However, fuel guide member 2 Also being capable of otherwise configuration and/or for other application purpose.Component 3 is particularly suitable for fuel distributor 2.However, Component 3 can be used for other application purpose and in this respect can phase strain type ground configuration.
Component 3 has connection clip 15.Additionally, the adapter piece 4 with Fuelinjection nozzle 5 and the combustion in this embodiment of component 3 The cup-shaped seat 6 of material guide member 2.Adapter piece 4 is connected by connection clip 15 with cup-shaped seat 6.Connection clip 15 has first side portion Divide the 16, lateral parts 18 of second side part 17 and the 3rd.First side part 16 and second side part 17 pass through the 3rd side Face part 18 is connected with each other.Connection clip 15 have U-shaped configuration because lateral parts 16,17, be attached to each other to 18U shapes.Here, About 90 ° of angle is constituted between the lateral parts 18 of first side part 16 and the 3rd.Additionally, in the He of second side part 17 3rd lateral parts 18 also constitute about 90 ° of angle.Lateral parts 16,17 is mutually opposing.
In the configuration, connection clip 15 has open side 19.The open side 19 of connection clip 15 can be by stabilizing closing Part 20 is closed to a certain extent, as further described to 8 according to Fig. 6.But such stabilisation closure member 20 is not It is required.Additionally, connection clip 15 is it is also possible that construction, enabling alternatively install and stabilize closure member 20.It is possible thereby to Realize broader range of application.
Adapter piece 4 has the ring 21 that can be fixed on adapter piece 4 in Fuelinjection nozzle 5.Here, adapter piece 4 also may be used To be used for different Fuelinjection nozzles 5 in the category of modular construction.Correspondingly, different adapter pieces 4 can also be in module Different guiding fuel parts 2 are adapted in the category for changing structure.
In this embodiment, adapter piece 4 and the one-piece configuration of fuel adapter 11.But multi-piece type configuration can also be set, Wherein, Fuelinjection nozzle remainder can be positioned by axial restraint region 10, and its mode is:Adapter piece 4 is in axial restraint area For example position is soldered to exactly in the ferrule element 12 of fuel adapter 11 on position in domain 10.
Fig. 2 with brief schematic perspective view illustrate the first embodiment of the invention that figure 1 illustrates with fuel The fuel injection apparatus 1 of injection valve 5.Here, adapter piece 4 is integrated in Fuelinjection nozzle 5.The connection ring 22 of adapter piece 4 leads to Cross connection clip 15 to connect with the connection ring 23 of cup-shaped seat 6.The here of cup-shaped seat 6 defines longitudinal axis 24.Fuelinjection nozzle 5 is relative It is aligned in the longitudinal axis 24.But allow Fuelinjection nozzle 5 to swing relative to longitudinal axis 24.
In this embodiment, Fuelinjection nozzle 5 has the jointing part 25 being preferably made from plastic, and is connected with controller The plug of connecting wire can snap in the jointing part.Jointing part 25 can for example by plastic injection come into Type.Here also molds the projection 26 of the orientation for Fuelinjection nozzle 5.Projection 26 is joined to setting in confined state In notch on the connection ring 23 of cup-shaped seat 6.
Fig. 3 illustrates the connection clip 15 of component 3 shown in Fig. 1 with schematic stereogram corresponding to first embodiment.Here, even Connect folder 15 and there is configuration in lateral parts 16, the opening 30,31,32 in 17,18.By opening 30 to 32, the connection of adapter piece 4 The connection ring 23 of ring 22 and cup-shaped seat 6 can be extended in a radial direction completely or partially.It is possible thereby to realize the company The high mechanical stability for connecing.Additionally, thereby simplify the assembling and control of realized connection.It is provided with connection clip 15 and connects Wheel trolley exterior feature 33, the contact profile has the first connection clip part face 34, the second connection clip part face 35 and the 3rd connection clip part Face 36.These heres of connection clip part face 34 to 36 are arranged on lateral parts 16 to 18 in the region of opening 30 to 32 respectively On.First connection clip part face 34 and the second connection clip part face 35 are mutually opposing with regard to longitudinal axis 24.Here, these connection clips Part face 34 to 36 is co-located in imaginary spill (concavees lens shape) face.
Fig. 4 illustrates the brief schematic cross section through fuel injection apparatus shown in Fig. 1 corresponding to first embodiment of the invention. The connection ring 22 of adapter piece 4 is in lateral parts 16 in confined state with its section of fringe region 38, in 17,18. This, on the fringe region 38 of the connection ring 22 of adapter piece 4 contact profile 39 is constructed, and the contact profile includes the first joint Part part face 40, the second adapter piece part face 41 and (not specified) the 3rd adapter piece part face.Here, the first adapter piece part Face 40 is associated with the first connection clip part face 34.Second adapter piece part face 41 is associated with the second connection clip part face 35.Joint 3rd adapter piece part face of the contact profile 39 of part 4 is associated with the 3rd connection clip part face 36.If here, the phase of adapter piece 4 For longitudinal axis 24 is aligned, as figure 4 illustrates, then the first adapter piece part face 40 of adapter piece 4 and adapter piece 4 The second adapter piece part face 41 it is mutually opposing with regard to the longitudinal axis 24 of cup-shaped seat 6.These adapter piece part faces can be with common point In an imaginary convex 40, in 41.
By the first connection clip part face 34 of on the one hand connection clip 15 and the second connection clip part face 35 with the other hand Collective effect between the first adapter piece part face 40 and the second adapter piece part face 41 of adapter piece 4, it is ensured that adapter piece 4 exists Supporting 45 on connection clip 15.Support 45 heres to illustrate by bearing fulcrum 45.Here obtains being said by double-head arrow 46 The first bright free degree 46.Here, adapter piece 4 relative to longitudinal axis 24 according to the rotation of first free degree (double-head arrow) 46 or Say that swing is possible.
Additionally, another second free degree 47 is realized in the case of the collective effect.Corresponding to first free degree 46, Adapter piece 4 can be carried out to rotate in other words according to the swing of second free degree (double-head arrow) 47.
The here of supporting 45 illustrated by bearing fulcrum 45 passes through the 3rd adapter piece part face and the 3rd connection clip The collective effect in part face 36 is also supported on the 3rd lateral parts 18.
Therefore, this ensure that supporting 45 of the adapter piece 4 on connection clip 15, enabling realize adapter piece 4 with regard to cup The swing of the longitudinal axis 24 of shape seat 6.For this purpose, the contact profile 39 being arranged on adapter piece 4 and being arranged on connecing on connection clip 15 Wheel trolley exterior feature 33 (contacts in the two contact profiles in confined state between generation adapter piece 4 and connection clip 15) so phase Mutual matchingly configuration so that ensure that adapter piece 4 preferably has first free degree 46 and second free on connection clip 15 The supporting 45 of degree 47.
In addition sealing ring 50 and support ring 51 are provided with, they can realize sealing between adapter piece 4 and cup-shaped seat 6. The hole 52 that therefore, it can extend by the wall through cup-shaped seat 6 channels fuel into inner chamber 53 and extends therethrough connection The fuel channel 54 of adapter piece 25 is directed in the inner chamber of Fuelinjection nozzle 5.
Fig. 5 illustrates the brief schematic cross section of fuel injection apparatus 1 shown in Fig. 1 corresponding to second embodiment of the invention. In the embodiment, component 3 has damping element 60, and the damping element is arranged in the connection ring 22 and cup-shaped seat 6 of adapter piece 4 Between connection ring 23.Here, can arrange depressed part 61 on the connection ring 22 of adapter piece 4, damping element 60 is partly In putting into the depressed part.Additionally or alternatively corresponding depressed part can also be set on the connection ring 23 of cup-shaped seat 6.Resistance Buddhist nun's element 60 is configured to the damping element 60 of elasticity.Damping element 60 improves the noise performance of fuel injection apparatus 1, because avoiding Direct metal contact between adapter piece 4 and cup-shaped seat 6 in the region of connection ring 22,23.However, elastically deformable Damping element 60 can allow for being swung corresponding to the free degree 46,47.
Fig. 6 illustrates to have with brief schematic perspective view corresponding to third embodiment of the invention to be used for Fuelinjection nozzle The spraying equipment of the component 3 that 5 adapter piece 4 is connected with cup-shaped seat 6.In this embodiment, component 3 additionally has to stabilize and seals Closing member 20.Stabilize the here of closure member 20 to be arranged in the open side 19 of connection clip 15.Connection clip 15 is by stabilizing closure member 20 closing so that improves mechanical strength.Especially, here, for example longitudinally 24 there is power when, can prevent or Reduce the bending of lateral parts 16,17.So for example can by the high pressure of fuel by responsive to axial force to connection clip part face On 34 to 36.The distortion and/or bending of lateral parts 16,17 then may occur in the case where closure member 20 is not stabilized. Because transverse strength and bending strength are big at close open side 19 near ratio at the 3rd lateral parts 18.
In this embodiment, the preferably edge of closure member 20 is stabilized perpendicular to longitudinal axis 24 and point to the installation of longitudinal axis 24 Direction 62 is applied on connection clip 15.The assembling has the advantage that the i.e. assembling can simply be implemented and generally exist Also can realize in the case that position is narrow.On the one hand stabilize the here of closure member 20 can snap on first side part 16 simultaneously On the other hand and snap on second side part 17, thus from catching first side part 16 and second side part 17 below Fixed seamed edge 63,64.
Fig. 7 illustrates to have with brief schematic perspective view corresponding to fourth embodiment of the invention to be used for Fuelinjection nozzle The fuel injection apparatus 1 of the component 3 that 5 adapter piece 4 is connected with cup-shaped seat 6.In this embodiment, securing member 20 is assembled along parallel Assemble in the assembly direction 65 of longitudinal axis 24.It is possible thereby to stabilisation closure member 20 to be pushed away the fixed seamed edge for being attached to connection clip 15 On 63,64.Stabilizing closure member 20 can have in addition tongue piece 66, and on the one hand the tongue piece is associated with opening for first side part 16 Mouthfuls 30 and on the other hand it is associated with the opening 31 (Fig. 3) of second side part 17.Corresponding to tongue piece 66, be associated with opening 31 Tongue piece here it is covered, therefore do not make marks.Can be snapped in predetermined rigging position by tongue piece 66.Stabilize closing The such configuration of the here of part 20 so that in desired rigging position, stabilize closure member 20 fixing hoop 67,68 lower section compared with At a distance and the ground of closer contact profile 33,39 is from catching below fixed seamed edge 63,64.Thereby guarantee that stabilisation closure member 20 exists Contact profile 33, the stabilization in the contact area between 39 in terms of desired stability.
Fig. 8 illustrates to have with brief schematic perspective view corresponding to fifth embodiment of the invention to be used for Fuelinjection nozzle The fuel injection apparatus 1 of the component 3 that 5 adapter piece 4 is connected with cup-shaped seat 6.In this embodiment, stabilize closure member 20 to have Bar 69, is provided with end member 70,71 on the end of the bar.The here of bar 69 can be configured to cylindrical bar.End member 70, 71 can be configured to the cylinder-shaped end element 70,71 with the diameter bigger than bar 69.Here, in the lower area of connection clip 15 In, that is to say, that closer to contact profile 33, at the contact area between 39, the configuration acceptance division 72 on connection clip 15. The here of acceptance division 72 is consisted of the depressed part 73,74 in first side part 16 and second side part 17.Stabilize closing Part 20 equally closes the connection clip in the open side 19 of connection clip 15 in this embodiment.
The present invention is not restricted to described embodiment.

Claims (11)

1. it is used to connect the component (3) of the adapter piece (4) of Fuelinjection nozzle (5) and the cup-shaped seat (6) of fuel guide member (2), Wherein, connection clip (15) is provided with, the connection clip is in confined state by the adapter piece (4) of the Fuelinjection nozzle (5) It is connected with the cup-shaped seat (6), it is characterized by,
In the contact profile (39) being arranged on the adapter piece (4) and the contact profile being arranged on the connection clip (15) (33) come in contact between the adapter piece (4) and the connection clip (15) in confined state on, the contact profile this Sample is mutually matched ground configuration so that guarantee the permission adapter piece (4) phase of the adapter piece (4) on the connection clip (15) For the supporting (45) that the longitudinal axis (24) of the cup-shaped seat (6) swings.
2. component according to claim 1, it is characterized by, it is ensured that the adapter piece (4) is on the connection clip (15) The supporting (45) with two frees degree (46,47).
3. component according to claim 1 and 2, it is characterized by, the contact profile (33) tool of the connection clip (15) There are the first connection clip part face (34) and the second connection clip part face (35), these connection clip part faces are relative to the cup-shaped seat (6) the longitudinal axis (24) is mutually opposing.
4. component according to claim 3, it is characterized by, the first connection clip part face (34) and second connection Folder portion facet (35) is co-located in an imaginary concave panel.
5. the component according to claim 3 or 4, it is characterized by, the contact profile (33) tool of the connection clip (15) Have the 3rd connection clip part face (36), the connection clip (15) with first side part (16), on the first side part Construct the first connection clip part face (34), the connection clip (15) with second side part (17), in second side Configuration the second connection clip part face (35) on the part of face, the connection clip (15) with the 3rd lateral parts (18), Construct the 3rd connection clip part face (36) on 3rd lateral parts, also, the 3rd lateral parts (18) are by institute State first side part (16) to be connected with the second side part (17).
6. component according to claim 5, it is characterized by, the connection clip (15) is with open side (19), the open side It is opposed with the 3rd lateral parts (18) relative to the longitudinal axis (24) of the cup-shaped seat (6), also, be provided with least One stabilize closure member (20), the stabilisation closure member in order in the open side (19) by the first side part (16) it is connected with the second side part (17) and is applied on the connection clip (15).
7. component according to claim 6, it is characterized by,
The longitudinal axis (24) that stabilisation closure member (20) can be at least approximately perpendicular to the cup-shaped seat (6) is applied to institute State on connection clip (15), wherein, stabilisation closure member (20) is on the one hand with the first side part (16) and another Aspect forms kayser and is connected with the second side part (17), and/or
The longitudinal axis (24) that stabilisation closure member (20) can be at least approximately parallel to the cup-shaped seat (6) is applied to institute State on connection clip (15), wherein, stabilisation closure member (20) is on the one hand from catching below the first side part (16) And on the other hand from catching the second side part (17) below.
8. the component according to any one of claim 3 to 7, it is characterized by, the contact profile of the adapter piece (4) (39) with the first adapter piece part face (40) and the second adapter piece part face (41), when the adapter piece (4) is relative to described When longitudinal axis (24) is aligned, the first adapter piece part face and the second adapter piece part face are relative to the cup-shaped seat (6) the longitudinal axis (24) is mutually opposing.
9. component according to claim 8, it is characterized by, the first adapter piece part face (40) and second joint Part part face (41) is co-located in an imaginary convex.
10. component according to any one of claim 1 to 9, it is characterized by, in the connection ring of the adapter piece (4) (22) at least one damping element (60) is disposed with and the connection ring (23) of the cup-shaped seat (6) between.
11. fuel injection apparatus (1), are particularly useful for mixing the external source ignition internal combustion engine of compression, and the fuel injection apparatus have At least one fuel guide member (2) and at least one Fuelinjection nozzle (5), wherein, the Fuelinjection nozzle (5) is by basis Component any one of claim 1 to 10 is connected with the described cup-shaped seat (6) of the fuel guide member (2).
CN201580042327.8A 2014-08-05 2015-07-30 Fuel injection apparatus with the component for connecting fuel injection valve and fuel guide member Active CN106662061B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102014215472.3 2014-08-05
DE102014215472.3A DE102014215472B4 (en) 2014-08-05 2014-08-05 Arrangement for connecting a fuel injection valve to a fuel-carrying component and fuel injection system
PCT/EP2015/067481 WO2016020255A1 (en) 2014-08-05 2015-07-30 Fuel injection system having an assembly for joining a fuel injection valve with a fuel conveying component

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CN106662061B CN106662061B (en) 2019-08-27

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CN (1) CN106662061B (en)
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Publication number Priority date Publication date Assignee Title
DE102016210573A1 (en) 2016-06-14 2017-12-14 Volkswagen Aktiengesellschaft Arrangement for connecting at least one fuel injection valve to a fuel distributor of a fuel injection system and fuel injection system of an internal combustion engine
KR20190001367A (en) 2017-06-27 2019-01-04 주식회사 현대케피코 Injector fixing structure of fuel rail
DE102018120239A1 (en) 2018-08-20 2020-02-20 Volkswagen Aktiengesellschaft Arrangement of a fuel injector on a fuel rail of an internal combustion engine

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US20080302336A1 (en) * 2005-03-03 2008-12-11 Thomas Fuerst Fuel Injection Valve
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WO2013170998A1 (en) * 2012-05-14 2013-11-21 Robert Bosch Gmbh Arrangement having a fuel distributor and having multiple fuel injection valves
CN103582775A (en) * 2011-06-08 2014-02-12 罗伯特·博世有限公司 Plug connector

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JP2002516957A (en) * 1998-05-28 2002-06-11 シーメンス オートモーティヴ コーポレイション Fuel injector clip holding mechanism
US20080302336A1 (en) * 2005-03-03 2008-12-11 Thomas Fuerst Fuel Injection Valve
US20100012093A1 (en) * 2008-07-18 2010-01-21 Pepperine Dean M High-pressure fuel injector to fuel rail connection
CN103582775A (en) * 2011-06-08 2014-02-12 罗伯特·博世有限公司 Plug connector
WO2013170998A1 (en) * 2012-05-14 2013-11-21 Robert Bosch Gmbh Arrangement having a fuel distributor and having multiple fuel injection valves

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CN106662061B (en) 2019-08-27
DE102014215472B4 (en) 2023-07-27
KR102478687B1 (en) 2022-12-19
WO2016020255A1 (en) 2016-02-11
DE102014215472A1 (en) 2016-02-11
KR20170036692A (en) 2017-04-03

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