CN107160328A - The press mounting tool and pressing method of the copper bush of fuel injector of cylinder head - Google Patents
The press mounting tool and pressing method of the copper bush of fuel injector of cylinder head Download PDFInfo
- Publication number
- CN107160328A CN107160328A CN201710572209.9A CN201710572209A CN107160328A CN 107160328 A CN107160328 A CN 107160328A CN 201710572209 A CN201710572209 A CN 201710572209A CN 107160328 A CN107160328 A CN 107160328A
- Authority
- CN
- China
- Prior art keywords
- fuel injector
- copper bush
- depression bar
- cylinder head
- 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 73
- 241000227287 Elliottia pyroliflora Species 0.000 title claims abstract description 68
- 238000003825 pressing Methods 0.000 title claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000000750 progressive effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
-
- 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
- B23P19/02—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 connecting objects by press fit or for detaching same
- B23P19/027—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 connecting objects by press fit or for detaching same using hydraulic or pneumatic means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses a kind of press mounting tool and pressing method of the copper bush of fuel injector of cylinder head, cylinder head includes mounting hole and O-shaped groove, and the press mounting tool is included：End face depression bar assembly, classification cone core depression bar and classification cone mandrel.End face depression bar assembly is hollow bar structure, and end face depression bar assembly is sheathed in copper bush of fuel injector, the bottom hole the end face of copper bush of fuel injector to be overlayed to mounting hole；Classification cone core depression bar is sheathed in end face depression bar assembly, and can be moved up and down in end face depression bar assembly；And classification cone mandrel is arranged in the taper hole of copper bush of fuel injector；Wherein, classification cone core depression bar is oriented to stretch into by the endoporus of end face depression bar assembly and extrudes classification cone mandrel from the taper hole of copper bush of fuel injector, and is pressed into O-shaped groove.Whereby, the press mounting tool of the copper bush of fuel injector of cylinder head of the invention, press-fit after press-fiting it is solid and reliable, without failures such as leak, gas leakage.
Description
Technical field
The present invention relates to engine manufacturing technology field, more particularly to a kind of press mounting tool of the copper bush of fuel injector of cylinder head
And pressing method.
Background technology
Cylinder cap fuel injector copper sheathing technical requirements good seal, no leak, gas leakage etc., mounting hole stepped end is machined with O-shaped groove
For inlaying copper bush of fuel injector, it is that depression bar is first pressed onto copper bush of fuel injector endoporus first that the copper bush of fuel injector installation method now used, which is,
End face；Steel ball depression bar portals steel ball outside from copper bush of fuel injector inner hole extruding, and steel ball forces copper bush of fuel injector in extrusion process
The O-shaped groove being bumped into cylinder head installation is swelled, copper bush of fuel injector completes to be press fit into cylinder head mounting hole, occurs press-fiting process
There is the unfilled unstable copper sheathing of edge of the O-shaped groove of copper bush of fuel injector, to often result in copper sheathing close while copper sheathing is extruded many copper scales
The failures such as the not tight leak of envelope, gas leakage.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering
When the prior art for being considered as recognizing or implying the information structure in any form well known to persons skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of press mounting tool and pressing method of the copper bush of fuel injector of cylinder head, after press-fiting
Press-fit it is solid and reliable, without failures such as leak, gas leakage.
To achieve the above object, according to an aspect of the invention, there is provided a kind of pressure of the copper bush of fuel injector of cylinder head
Holding tool, cylinder head includes mounting hole and O-shaped groove, and the press mounting tool is included：End face depression bar assembly, classification cone core depression bar and point
Level circular cone mandrel.End face depression bar assembly is hollow bar structure, and end face depression bar assembly is sheathed in copper bush of fuel injector, to will spray
The end face of oily device copper sheathing overlays the bottom hole of mounting hole；Classification cone core depression bar is sheathed in end face depression bar assembly, and can be at end
Moved up and down in face pressure bar assembly；And classification cone mandrel is arranged in the taper hole of copper bush of fuel injector；Wherein, classification cone core
Depression bar is oriented to stretch into by the endoporus of end face depression bar assembly and extrudes classification cone mandrel from the taper hole of copper bush of fuel injector, and press-in
To O-shaped groove.
Preferably, in above-mentioned technical proposal, the press mounting tool of the copper bush of fuel injector of cylinder head is also included：O-ring seal, its
It is sheathed on outside copper bush of fuel injector.
According to another aspect of the present invention there is provided a kind of pressing method of the copper bush of fuel injector of cylinder head, comprising with
Lower step：Step one：Copper bush of fuel injector is pressed into mounting hole in advance；Step 2：Classification cone mandrel is put into copper bush of fuel injector；Step
Rapid three：The end face of copper bush of fuel injector is overlayed mounting hole bottom hole by end face depression bar assembly；Step 4：Classification cone mandrel depression bar is from end
Face pressure bar assembly endoporus is oriented to and stretched into, and classification cone mandrel is extruded out of copper bush of fuel injector taper hole, in the process pressed out
In, the progressive formation of copper bush of fuel injector taper hole is pressed into O-shaped groove by classification cone mandrel.
Compared with prior art, the present invention has the advantages that：The pressure of the copper bush of fuel injector of the cylinder head of the present invention
Holding tool and pressing method, copper bush of fuel injector are extruded outer process of portalling by classification cone mandrel and gradually inlay copper bush of fuel injector
Enter in O-shaped groove, when classification cone mandrel maximum gauge from endoporus by extrusion cavities outside when ensure that being bumped into copper in O-shaped groove extrudes knot
It is real, improve the sealing property of copper bush of fuel injector, and press-fit after press-fiting it is solid and reliable, without failures such as leak, gas leakage.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the press mounting tool of the copper bush of fuel injector of cylinder head according to the present invention.
Fig. 2 is that a kind of structure of the copper bush of fuel injector of the press mounting tool of the copper bush of fuel injector of cylinder head according to the present invention is shown
It is intended to.
Fig. 3 is a kind of structure of the classification cone mandrel of the press mounting tool of the copper bush of fuel injector of cylinder head according to the present invention
Schematic diagram.
Main Reference Numerals explanation：
1- cylinder head, 2-O type sealing rings, 3- copper bush of fuel injector, 31- taper holes, 4- end face depression bar assemblies, 5- classification cone cores
Depression bar, 6- classification cone mandrels, 7-O type grooves, 8- mounting holes.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment to the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield scope is not limited by embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members
Part or other parts.
As shown in Figure 1 to Figure 3, work is press-fited according to a kind of copper bush of fuel injector of cylinder head of the specific embodiment of the invention
Tool, cylinder head 1 includes mounting hole 8 and O-shaped groove 7, and the press mounting tool of the copper bush of fuel injector of cylinder head is included：End face depression bar assembly 4,
Classification cone core depression bar 5 and classification cone mandrel 6.End face depression bar assembly 4 is hollow bar structure, and end face depression bar assembly 4 is arranged
In in copper bush of fuel injector 3, the bottom hole the end face of copper bush of fuel injector 3 to be overlayed to mounting hole 8；Classification cone core depression bar 5 is arranged
In in end face depression bar assembly 4, and it can be moved up and down in end face depression bar assembly 4；And classification cone mandrel 6 is arranged at oil spout
In the taper hole 31 of device copper sheathing 3；Wherein, classification cone core depression bar 5 is oriented to by the endoporus of end face depression bar assembly 4 stretches into classification circle
Cone core axle 6 is extruded from the taper hole 31 of copper bush of fuel injector 3, and is pressed into O-shaped groove 7.
Preferably, the press mounting tool of the copper bush of fuel injector of cylinder head is also included：O-ring seal 2, it is sheathed on fuel injector copper
Outside set 3, to seal copper bush of fuel injector 3.
According to another aspect of the present invention there is provided a kind of pressing method of the copper bush of fuel injector of cylinder head, comprising with
Lower step：Step one：Copper bush of fuel injector 3 is in advance in press-in mounting hole 8；Step 2：Classification cone mandrel is put into copper bush of fuel injector 3
6；Step 3：The end face of copper bush of fuel injector 3 is overlayed the bottom hole of mounting hole 8 by end face depression bar assembly 4；Step 4：Classification cone mandrel
Depression bar 5 is oriented to from the endoporus of end face depression bar assembly 4 and stretched into, and classification cone mandrel 6 is extruded out of copper bush of fuel injector 3 taper hole 31,
During pressing out, the progressive formation of taper hole 31 is pressed into O-shaped groove 7 by classification cone mandrel 6, so that fixing fuel injector copper
Set 3, reaches sealing effectiveness, the A angles of classification cone heart axle 6 are identical with the angle of the A ' angles of copper bush of fuel injector 3.
In actual applications, it is, for example, to be press-fited under hydraulic press effect, but the invention is not restricted to this.Can be with from Fig. 1
Classification cone core depression bar 5 be will become apparent from for multi-step axle construction, its tip designs can accurately transmit the pressure of hydraulic press into sphere
Power.During press-fiting, using hydraulic press as power source, the sphere of hydraulic press pressure classification cone core depression bar 5 promotes classification cone
Core depression bar 5 is moved down, and the end face of copper bush of fuel injector 3 is overlayed the bottom hole of mounting hole 8 by end face depression bar assembly 4, now hydraulic press after
Continuous to press down, classification cone core depression bar 5 pushes away classification cone mandrel 6 and extruded outward out of copper bush of fuel injector 3 taper hole 31, now squeezes
The classification cone mandrel 6 pressed out is depressed into O-shaped groove 7, until filling up the O-shaped groove 7 of cylinder device, hydraulic press can just stop, so that
Fixing fuel injector copper sheathing 3, reaches sealing effectiveness.
In a word, the press mounting tool and pressing method of the copper bush of fuel injector of cylinder head of the invention, the sealing of copper bush of fuel injector
Performance is good, and press-fit after press-fiting it is solid and reliable, without failures such as leak, gas leakage.
It is foregoing to the present invention specific illustrative embodiment description be in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explaining that the certain principles and its reality of the present invention should
With so that those skilled in the art can realize and using the present invention a variety of exemplaries and
A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (3)
1. a kind of press mounting tool of the copper bush of fuel injector of cylinder head, the cylinder head includes mounting hole and O-shaped groove, its feature exists
In the press mounting tool is included：
End face depression bar assembly, it is hollow bar structure, and the end face depression bar assembly is sheathed in the copper bush of fuel injector, is used to
The end face of the copper bush of fuel injector is overlayed to the bottom hole of the mounting hole；
Classification cone core depression bar, it is sheathed in the end face depression bar assembly, and can be in the end face depression bar assembly above and below
It is mobile；And
Classification cone mandrel, it is arranged in the taper hole of the copper bush of fuel injector；
Wherein, the classification cone core depression bar is oriented to by the endoporus of the end face depression bar assembly and stretched into the classification cone core
Axle is extruded from the taper hole of the copper bush of fuel injector, and is pressed into the O-shaped groove.
2. the press mounting tool of the copper bush of fuel injector of cylinder head according to claim 1, it is characterised in that the cylinder head
The press mounting tool of copper bush of fuel injector is also included：
O-ring seal, it is sheathed on outside the copper bush of fuel injector.
3. a kind of pressing method of the press mounting tool of the copper bush of fuel injector of cylinder head as described in any one of claim 1 to 2, its
It is characterised by, the pressing method is comprised the steps of：
Step one：Copper bush of fuel injector is pressed into mounting hole in advance；
Step 2：Classification cone mandrel is put into copper bush of fuel injector；
Step 3：The end face of copper bush of fuel injector is overlayed mounting hole bottom hole by end face depression bar assembly；
Step 4：Classification cone mandrel depression bar is oriented to from end face depression bar assembly endoporus and stretched into, by classification cone mandrel from fuel injector
Extruded in the taper hole of copper sheathing, during pressing out, the progressive formation of copper bush of fuel injector taper hole is pressed into O by classification cone mandrel
In type groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710572209.9A CN107160328A (en) | 2017-07-13 | 2017-07-13 | The press mounting tool and pressing method of the copper bush of fuel injector of cylinder head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710572209.9A CN107160328A (en) | 2017-07-13 | 2017-07-13 | The press mounting tool and pressing method of the copper bush of fuel injector of cylinder head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107160328A true CN107160328A (en) | 2017-09-15 |
Family
ID=59820557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710572209.9A Pending CN107160328A (en) | 2017-07-13 | 2017-07-13 | The press mounting tool and pressing method of the copper bush of fuel injector of cylinder head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107160328A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107498502A (en) * | 2017-10-10 | 2017-12-22 | 广西玉柴机器股份有限公司 | The pre-installation auxiliary mould of cylinder cap fuel injector copper sheathing |
| CN114871732A (en) * | 2022-06-09 | 2022-08-09 | 安庆中船柴油机有限公司 | Press mounting structure for copper bush of oil sprayer of cylinder cover of diesel engine |
| CN117773539A (en) * | 2024-02-07 | 2024-03-29 | 江苏武蕾机械有限公司 | Single cylinder diesel engine cylinder cover processing production system and working method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10277847A (en) * | 1997-03-31 | 1998-10-20 | Nissan Diesel Motor Co Ltd | Fixing method and device of nozzle tube holder |
| CN2681862Y (en) * | 2004-03-22 | 2005-03-02 | 中国重型汽车集团有限公司 | Liner mounting device for automobile engine fuel injector |
| CN101210531A (en) * | 2006-12-30 | 2008-07-02 | 广西玉柴机器股份有限公司 | Cylinder cap fuel injector copper sheathing pressure-mounting method |
| CN101966700A (en) * | 2009-07-28 | 2011-02-09 | 广西玉柴机器股份有限公司 | Tool and method for pressing injector copper sleeve of cylinder head |
| CN103801931A (en) * | 2014-03-04 | 2014-05-21 | 广西玉柴机器股份有限公司 | Press fitting kit for oil sprayer copper bush of cylinder cover of diesel engine |
| CN204171970U (en) * | 2014-08-27 | 2015-02-25 | 上海沪东造船油嘴油泵有限公司 | A kind of oil sprayer bushing erecting tools |
| CN206869792U (en) * | 2017-07-13 | 2018-01-12 | 广西玉柴机器股份有限公司 | The press mounting tool of the copper bush of fuel injector of cylinder head |
-
2017
- 2017-07-13 CN CN201710572209.9A patent/CN107160328A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10277847A (en) * | 1997-03-31 | 1998-10-20 | Nissan Diesel Motor Co Ltd | Fixing method and device of nozzle tube holder |
| CN2681862Y (en) * | 2004-03-22 | 2005-03-02 | 中国重型汽车集团有限公司 | Liner mounting device for automobile engine fuel injector |
| CN101210531A (en) * | 2006-12-30 | 2008-07-02 | 广西玉柴机器股份有限公司 | Cylinder cap fuel injector copper sheathing pressure-mounting method |
| CN101966700A (en) * | 2009-07-28 | 2011-02-09 | 广西玉柴机器股份有限公司 | Tool and method for pressing injector copper sleeve of cylinder head |
| CN103801931A (en) * | 2014-03-04 | 2014-05-21 | 广西玉柴机器股份有限公司 | Press fitting kit for oil sprayer copper bush of cylinder cover of diesel engine |
| CN204171970U (en) * | 2014-08-27 | 2015-02-25 | 上海沪东造船油嘴油泵有限公司 | A kind of oil sprayer bushing erecting tools |
| CN206869792U (en) * | 2017-07-13 | 2018-01-12 | 广西玉柴机器股份有限公司 | The press mounting tool of the copper bush of fuel injector of cylinder head |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107498502A (en) * | 2017-10-10 | 2017-12-22 | 广西玉柴机器股份有限公司 | The pre-installation auxiliary mould of cylinder cap fuel injector copper sheathing |
| CN114871732A (en) * | 2022-06-09 | 2022-08-09 | 安庆中船柴油机有限公司 | Press mounting structure for copper bush of oil sprayer of cylinder cover of diesel engine |
| CN114871732B (en) * | 2022-06-09 | 2023-04-25 | 安庆中船柴油机有限公司 | Press-fitting structure of copper bush of diesel engine cylinder cover oil sprayer |
| CN117773539A (en) * | 2024-02-07 | 2024-03-29 | 江苏武蕾机械有限公司 | Single cylinder diesel engine cylinder cover processing production system and working method thereof |
| CN117773539B (en) * | 2024-02-07 | 2024-05-07 | 江苏武蕾机械有限公司 | Single cylinder diesel engine cylinder cover processing production system and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170915 |
|
| RJ01 | Rejection of invention patent application after publication |