CN101121226A - Mounting device for fuel high-pressure pipeline - Google Patents
Mounting device for fuel high-pressure pipeline Download PDFInfo
- Publication number
- CN101121226A CN101121226A CNA2007101408658A CN200710140865A CN101121226A CN 101121226 A CN101121226 A CN 101121226A CN A2007101408658 A CNA2007101408658 A CN A2007101408658A CN 200710140865 A CN200710140865 A CN 200710140865A CN 101121226 A CN101121226 A CN 101121226A
- Authority
- CN
- China
- Prior art keywords
- nut
- high pressure
- pressure pipeline
- fuel high
- differential
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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- 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
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- 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
- F02M55/004—Joints; Sealings
- F02M55/005—Joints; Sealings for high pressure conduits, e.g. connected to pump outlet or to injector inlet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
- F16L41/086—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe fixed with screws
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel-Injection Apparatus (AREA)
- Joints With Pressure Members (AREA)
Abstract
The invention relates to a fuel high-pressure line mounting device for fastening a fuel high-pressure line (10) to a fastening section (13) of a component of an internal combustion engine, having a differential nut (17) with an external thread (20) and an internal thread (22) of different thread pitch but the same direction of rotation, having a sliding nut (18) with an external thread (23) and having a stop nut (19) with an internal thread (26), which can be screwed together with the fuel high-pressure line (10) until a stop (27) of the stop nut is reached, wherein the sliding nut (18) can be introduced into a through-opening (21) of the differential nut (17) from one side and can be screwed together with the internal thread (22) of the differential nut (17) via the external thread (23) until a stop (24) for the sliding nut (18) is reached, and wherein the stop nut (19) can be introduced into the through-opening (21) of the differential nut (17) from a second side, so that the stop nut (19) and the sliding nut (18) are secured against relative rotation.
Description
Technical field
The present invention relates to a kind ofly be used for that fuel high pressure pipeline is fixed on the fuel high pressure pipeline erecting device on the fixedly section of internal combustion engine component and use method on the fixedly section that erecting device is fixed on fuel high pressure pipeline internal combustion engine component.
Background technology
DE 3739937C2 discloses a kind of fuel high pressure pipeline, and for example it can be used in diesel engine, is used for being in fuel ratio under the high pressure as the injection valve by high pressure fuel pump input internal combustion engine.Fuel high pressure pipeline disclosed herein has a high-voltage tube, in this high-voltage tube pressure hole is set, and wherein this high-voltage tube is surrounded by a sleeve pipe.Fuel high pressure pipeline according to DE 3739937C2 correspondingly has joint in its end, and wherein such joint is realized fuel high pressure pipeline is fixed on fuel-injection pump or the injection valve by the coupling that is screwed on the external screw thread.The joint that has affiliated coupling like this is used as the erecting device according to the fuel high pressure pipeline of DE 3739937C2.In order to be fixed on petrolift or the injection valve, on the erecting device that constitutes by joint and affiliated coupling, apply a screw-down torque, but this screw-down torque is owing to structure is restricted by the disclosed fuel high pressure pipeline of DE 3739937C2.If fuel high pressure pipeline is fixed on the parts of internal combustion engine with higher screw-down torque, so novel erecting device is just very important, and promptly those erecting devices of realizing that fuel high pressure pipeline with any profile is installed on the parts of internal combustion engine are just very important.
Summary of the invention
The method that the task of the present invention of setting out thus provides a kind of New-type fuel pressure duct erecting device and uses erecting device fixed fuel pressure duct.
This task is resolved by the fuel high pressure pipeline erecting device by claim 1.Comprise having the different still external screw threads that direction of rotation is identical of pitch and the differential nut of internal thread according to erecting device of the present invention, have externally threaded sliding nut and back nut with internal thread, this back nut can be tightened up to the backstop that reaches this back nut with fuel high pressure pipeline, wherein sliding nut can be introduced differential nut's the clear opening from a side, and can tighten the backstop that is used for sliding nut up to reaching by external screw thread and differential nut's internal thread, and wherein back nut can be introduced differential nut's the clear opening from second side, makes that back nut and sliding nut prevent to fix relatively with reversing.
Tighten the principle of (Differenzgewinde-verschraubung) based on differential thread according to erecting device of the present invention, wherein sliding nut and back nut one are used from and separate in other words remaining differential nut's disengaging of the fixing fuel high pressure pipeline of installing in other words with erecting device, thereby the fuel high pressure pipeline of any profile can be installed.The fixing U-shaped bending fuel high pressure pipeline of profile in other words so not only, fuel high pressure pipeline can be fixed on its end on the plane of almost extending mutually arbitrarily or rather.
Defined in the claim 5 according to application erecting device of the present invention and fuel high pressure pipeline has been fixed on method on the fixedly section of parts of internal combustion engine.
Description of drawings
The preferred improvement project of the present invention is by obtaining in dependent claims and the explanation subsequently.With reference to the accompanying drawings a kind of embodiment of the present invention is explained in more detail, but the invention is not restricted to this embodiment.Shown in it:
Fig. 1: be together with the cross section that is installed in the fuel high pressure pipeline on the internal combustion engine component by means of this erecting device according to erecting device of the present invention;
Fig. 2: be cross section according to the sliding nut of erecting device of the present invention;
Fig. 3: be cross section according to the differential nut of erecting device of the present invention;
Fig. 4: be cross section according to the back nut of erecting device of the present invention.
The specific embodiment
Fig. 1 shows the end of fuel high pressure pipeline 10 together with erecting device 11, tighten by erecting device 11 and the bearing 12 that is used for fuel high pressure pipeline 10 end of fuel high pressure pipeline 10 wherein shown in Figure 1, and wherein this bearing 12 is arranged in the fixedly section 13 of automotive fuel pump for example or injection valve.
Figure 1 illustrates the high-voltage tube 14 of fuel high pressure pipeline 10, in this high-voltage tube 14, be provided with pressure hole 15.The high-voltage tube 14 of fuel high pressure pipeline 10 is surrounded by sleeve pipe 16, but wherein high-voltage tube 14 stretches out from sleeve pipe 16 on the shown end of fuel high pressure pipeline 10.
Be used for the erecting device 11 that the end shown in Fig. 1 with fuel high pressure pipeline 10 is fixed on the fixing section 13 and comprise differential nut 17, sliding nut 18 and back nut 19.Fig. 2, Fig. 3 and Fig. 4 show sliding nut 18, differential nut 17 and back nut 19 respectively separately.
Back nut 19 has clear opening 25 equally, is used to guide the high-voltage tube 14 of fuel high pressure pipeline 10, wherein is provided with internal thread 26 in the clear opening 25 of back nut 19.Back nut 19 can be sleeved on the free end of high-voltage tube 14 of fuel high pressure pipeline 10, and can tighten by the internal thread 26 and the external screw thread of the free end of the high-voltage tube 14 of fuel high pressure pipeline 10, or rather, tighten free end up to high-voltage tube 14 is resisted against on the backstop 27 that back nut 19 provides always.Back nut 19 can be introduced differential nut 17 the clear opening 21 from second side, make that or rather back nut 19 and sliding nut 18 prevent to fix relatively with reversing, wherein fixing in order to prevent turning round, attach troops to a unit and stretch in the depression 29 of respective profile in the back nut 19 in the projection 28 of sliding nut 18.
The differential nut 17 of erecting device 11 can tighten by external screw thread 20 and the internal thread 26 in the bearing 12 that is arranged on fuel high pressure pipeline 10, is used for fuel high pressure pipeline 10 is fixed on bearing 12.
For fuel high pressure pipeline 10 is fixed on the bearing 12 in the end shown in Fig. 1 with it, and be fixed on thus on the fixedly section 13 of internal combustion engine component, take such measure, at first sliding nut 18 is inserted in differential nut 17 the clear opening 21, and tighten by external screw thread 23 and differential nut 17 internal thread 22, or rather, tighten up to sliding nut 18 always and be resisted against on differential nut's the backstop 24.Then differential nut 17 and sliding nut 18 are shifted onto on the high-voltage tube 14 of fuel high pressure pipeline 10, thereby high-voltage tube 14 passes the clear opening 21,24 of differential nut 17 and sliding nut 18, and therefrom stretch out.Back nut 19 is tightened with the external screw thread of the free end of the high-voltage tube 14 of fuel high pressure pipeline 10 by its internal thread 26 then, and or rather, the free end of always tightening up to high-voltage tube 14 is resisted against on the backstop 27 of back nut 19.And then differential nut 17 is moved together with the direction of sliding nut 18 towards bearing 12, wherein in the direction motion of this sliding nut 18 towards back nut 19, thereby the projection 28 of sliding nut 18 extend in the depression 29 of back nut 19.Make differential nut 17 continue to move then, and tighten with the internal thread of bearing 12 by its external screw thread 20 towards the direction of bearing 12.This differential nut 17 always towards bearing 12 motions of the high-voltage tube 14 of fuel high pressure pipeline 10, wherein because differential nut 17 the external screw thread 20 and the different thread pitch of internal thread 22 make sliding nut 18 littler towards the degree that bearing 12 moves than differential nut 17.The power transmission is provided thus, has been used to utilize less screwing force that bigger screw-down torque is provided.
Sliding nut 18 and back nut 19 make the high-voltage tube 14 of fuel high pressure pipeline 10 and differential nut 17 break away to separate in other words, thus can be almost arbitrarily the fuel high pressure pipeline of profile be installed in almost arbitrarily on the plane of relative extension of fixing section with its end.
Reference numerals list
10 fuel high pressure pipelines
11 erecting devices
12 bearings
13 fixing sections
14 high-voltage tubes
15 pressure holes
16 sleeve pipes
17 differential nuts
18 sliding nuts
19 back nuts
20 external screw threads
21 clear openings
22 internal threads
23 external screw threads
24 clear openings
25 clear openings
26 internal threads
27 backstops
28 projectioies
29 depressions
Claims (5)
1. be used for fuel high pressure pipeline (10) is fixed on fuel high pressure pipeline erecting device on the fixedly section of internal combustion engine component, this erecting device has and has the pitch difference but the identical external screw thread (20) of direction of rotation and the differential nut (17) of internal thread (22), have the sliding nut (18) that has external screw thread (23) and have the back nut (19) that has internal thread (26), this back nut can be tightened up to the backstop that reaches this back nut (27) with fuel high pressure pipeline (10), wherein sliding nut (18) can be introduced differential nut's (17) the clear opening (21) from a side, and can tighten the backstop (24) that is used for sliding nut (18) up to reaching by external screw thread (23) and differential nut's (17) internal thread (22), and wherein said back nut (19) can be introduced differential nut's (17) the clear opening (21) from second side, makes that back nut (19) and sliding nut (18) prevent to fix relatively with reversing.
2. by the described erecting device of claim 1, it is characterized in that: for back nut (19) and sliding nut (18) being prevented fix relatively, at least one is attached troops to a unit and stretches at least one in the projection of sliding nut (18) (28) and attach troops to a unit in the depression (29) of back nut (19) with reversing.
3. by claim 1 or 2 described erecting devices, it is characterized in that: when fuel high pressure pipeline is installed, described back nut (19) and sliding nut (20) are at least partially disposed in the clear opening (21) of differential nut (17), and fuel high pressure pipeline (10) passes the clear opening (24,25) of back nut (19) and sliding nut (18).
4. by one or multinomial described erecting device in the claim 1 to 3, it is characterized in that: when fuel high pressure pipeline was installed, described differential nut (17) tightened by its external screw thread (20) and the internal thread of the bearing (12) of the fixedly section (13) that is arranged on internal combustion engine component that is used for fuel high pressure pipeline (10).
5. use by one or multinomial described erecting device in the claim 1 to 4 and fuel high pressure pipeline be fixed on method on the fixedly section of internal combustion engine component, have following steps:
A) sliding nut is screwed among the differential nut, be resisted against up to sliding nut on differential nut's the backstop;
B) fuel high pressure pipeline is incorporated in sliding nut and differential nut's the clear opening, so that fuel high pressure pipeline passes these clear openings;
C) back nut is screwed on the end of fuel high pressure pipeline, is resisted against up to this end on the backstop of back nut;
D) differential nut is moved together with the direction of sliding nut towards back nut, or rather, move up to sliding nut and back nut always and prevent to fix relatively with reversing;
E) differential nut is tightened with the bearing that is used for the fixedly section that is arranged on internal combustion engine component of fuel high pressure pipeline.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006037945.4 | 2006-08-12 | ||
| DE102006037945A DE102006037945A1 (en) | 2006-08-12 | 2006-08-12 | Assembly device e.g. for high pressure fuel line, has screw nut, external thread and female thread but with different slopes provided in same rotary direction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101121226A true CN101121226A (en) | 2008-02-13 |
| CN101121226B CN101121226B (en) | 2011-03-09 |
Family
ID=38069409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101408658A Expired - Fee Related CN101121226B (en) | 2006-08-12 | 2007-08-10 | Mounting device for fuel high-pressure pipeline |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP5107626B2 (en) |
| KR (1) | KR101323461B1 (en) |
| CN (1) | CN101121226B (en) |
| DE (1) | DE102006037945A1 (en) |
| FI (1) | FI122861B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102667133A (en) * | 2009-11-23 | 2012-09-12 | 罗伯特·博世有限公司 | Pressure pipe fitting for a common-rail injection system |
| CN106969111A (en) * | 2017-05-23 | 2017-07-21 | 上海机床厂有限公司 | Precision Lengthening leading screw and manufacture method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672457B (en) * | 2012-06-05 | 2014-06-25 | 震宇（芜湖）实业有限公司 | Part assembling tool with misloading prevention function and process method for assembling parts by using assembling tool |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2826038A1 (en) * | 1978-06-14 | 1979-12-20 | Bosch Gmbh Robert | FUEL INJECTOR |
| DE3739937A1 (en) * | 1987-11-25 | 1989-06-08 | Man B & W Diesel Gmbh | Fuel pressure line |
| JPH084973A (en) * | 1994-06-15 | 1996-01-12 | Usui Internatl Ind Co Ltd | Connecting structure of branch joint for high pressure manifold |
| DE4442556C2 (en) * | 1994-11-30 | 1999-05-27 | Danfoss As | Hydraulic axial piston machine |
| DE19531743C1 (en) * | 1995-08-29 | 1996-12-05 | Guido Jurgen | Pressure tester for e.g. fuel injection pipe |
| KR200169139Y1 (en) | 1996-09-30 | 2000-03-02 | 전주범 | Nozzle holder of grill burner |
| JP3882964B2 (en) * | 1996-11-30 | 2007-02-21 | 臼井国際産業株式会社 | Connection structure of branch connection in common rail |
| JPH10318082A (en) * | 1997-03-03 | 1998-12-02 | Usui Internatl Ind Co Ltd | Common rail and its manufacture |
| JPH10308082A (en) * | 1997-05-06 | 1998-11-17 | Meidensha Corp | Data separator |
| DE19747736C1 (en) * | 1997-10-29 | 1999-04-08 | Siemens Ag | Pressure reservoir for IC engine common-rail fuel injection supply system |
| JP3492503B2 (en) * | 1997-11-11 | 2004-02-03 | 日野自動車株式会社 | Pipe fittings |
| DE19808898B4 (en) * | 1998-03-03 | 2013-08-22 | Volkswagen Ag | Lip valve for a liquid |
| DE19927145A1 (en) * | 1999-06-15 | 2000-12-28 | Bosch Gmbh Robert | High pressure connection for a fuel injection system for internal combustion engines |
| DE19938131B4 (en) * | 1999-08-16 | 2006-08-31 | Ti Automotive Technology Center Gmbh | Fuel tank |
| JP2004162581A (en) | 2002-11-12 | 2004-06-10 | Usui Kokusai Sangyo Kaisha Ltd | High pressure fuel injection pipe for diesel engine |
| CN2620102Y (en) * | 2003-05-25 | 2004-06-09 | 徐国华 | High-pressure fuel oil pipe assembly for diesel engine |
| DE102004059909A1 (en) * | 2004-12-13 | 2006-06-14 | Robert Bosch Gmbh | Pipe gland and union nut, connecting piece and pipe for a pipe fitting |
-
2006
- 2006-08-12 DE DE102006037945A patent/DE102006037945A1/en not_active Withdrawn
-
2007
- 2007-05-09 FI FI20070365A patent/FI122861B/en not_active IP Right Cessation
- 2007-05-29 KR KR1020070052047A patent/KR101323461B1/en active IP Right Grant
- 2007-07-19 JP JP2007188172A patent/JP5107626B2/en not_active Expired - Fee Related
- 2007-08-10 CN CN2007101408658A patent/CN101121226B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102667133A (en) * | 2009-11-23 | 2012-09-12 | 罗伯特·博世有限公司 | Pressure pipe fitting for a common-rail injection system |
| CN102667133B (en) * | 2009-11-23 | 2015-06-03 | 罗伯特·博世有限公司 | Pressure pipe fitting for a common-rail injection system |
| CN106969111A (en) * | 2017-05-23 | 2017-07-21 | 上海机床厂有限公司 | Precision Lengthening leading screw and manufacture method |
| CN106969111B (en) * | 2017-05-23 | 2019-12-03 | 上海机床厂有限公司 | Precision Lengthening lead screw and manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101323461B1 (en) | 2013-10-29 |
| FI20070365A (en) | 2008-02-13 |
| KR20080014950A (en) | 2008-02-15 |
| DE102006037945A1 (en) | 2008-02-14 |
| FI122861B (en) | 2012-08-15 |
| JP2008045542A (en) | 2008-02-28 |
| FI20070365A0 (en) | 2007-05-09 |
| CN101121226B (en) | 2011-03-09 |
| JP5107626B2 (en) | 2012-12-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Augsburg Patentee after: MAN ENERGY SOLUTIONS SE Address before: Augsburg Patentee before: Man Diesel & Turbo SE |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190429 Address after: Augsburg Patentee after: Man Diesel & Turbo SE Address before: Augsburg Patentee before: Man Diesel Se |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110309 Termination date: 20200810 |