CN107860521A - The plugging device of engine cylinder cap oil duct leak test - Google Patents
The plugging device of engine cylinder cap oil duct leak test Download PDFInfo
- Publication number
- CN107860521A CN107860521A CN201711264298.7A CN201711264298A CN107860521A CN 107860521 A CN107860521 A CN 107860521A CN 201711264298 A CN201711264298 A CN 201711264298A CN 107860521 A CN107860521 A CN 107860521A
- Authority
- CN
- China
- Prior art keywords
- pull bar
- sealing rings
- guide pin
- pin bushing
- plugging device
- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/025—Details with respect to the testing of engines or engine parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of plugging device of engine cylinder cap oil duct leak test, engine cylinder cap oil duct includes oil injector hole and areole, and plugging device is inserted in oil injector hole, to block areole, plugging device includes pull bar, and its one end has pole cap, and the other end has screw thread；Two sealing rings, it is set on pull bar, and one of two sealing rings support pole cap；Seal ring set is located on pull bar, is placed between two sealing rings；Guide pin bushing is set on pull bar, and one end of guide pin bushing has flange, and flange supports the other in which of two sealing rings；Location-plate has stepped hole, and location-plate is set on pull bar with stepped hole, and stepped hole supports the other end of guide pin bushing；Band shoulder nut, it is screw-locked on the screw thread of the pull bar other end；Wherein locking belt shoulder nut, two sealing rings can be extruded by the flange and pole cap of guide pin bushing and the both ends of sealing ring, make its dilatancy.Present invention practicality simple to operate, plugging effect are good.
Description
Technical field
The present invention relates to engine manufacturing field, more particularly to a kind of plugging device of engine cylinder cap oil duct leak test.
Background technology
When carrying out oil duct leak test to engine cylinder cap, it will usually need in through hole (such as oil injector hole) side wall
Hole is blocked.Traditionally, it will usually the top bottom surface of whole cylinder head part is sealed using two pieces of sealing plates.It is existing
There is the oil duct leak testing process in the hole in conventional top bottom surface sealing through hole side wall, usual top bottom surface sealing plate is more thick and heavy, needs
Loop wheel machine auxiliary installation is used, it is higher to operator's technical requirements.Because cylinder head is before oil duct process is carried out, generally assemble
Parts thereof, usually need to consider to avoid these parts when designing top bottom surface sealing plate, so each cylinder head zero
Part needs supporting special oil duct leakage test tool, once cylinder head size or technique are modified, generally requires to change a social system or again
Newly design supporting frock.Thus, although existing method simple practical, cylinder head before oil duct leak test process is carried out,
Usual assembled portion parts, usually need to consider to avoid these parts when designing top bottom surface sealing plate, design is more
It is cumbersome, construction cycle length, high processing costs, poor universality.
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
It has been the prior art well known to persons skilled in the art when being considered as recognizing or implying the information structure in any form.
The content of the invention
It is an object of the invention to provide a kind of plugging device of engine cylinder cap oil duct leak test, so as to overcome existing skill
Art design is relatively complicated, construction cycle length, high processing costs, the shortcomings that poor universality.
To achieve the above object, the invention provides a kind of plugging device of engine cylinder cap oil duct leak test, engine
Cylinder head oil duct includes oil injector hole and areole, and plugging device is inserted in oil injector hole, to block areole.Closure
Device includes pull bar, two sealing rings, sealing ring, guide pin bushing, location-plate and with shoulder nut.Pull bar one end has pole cap, another
End has screw thread；Two sealing rings, it is set on pull bar, and one of two sealing rings support pole cap；Sealing ring is arranged
On pull bar, it is placed between two sealing rings；Guide pin bushing is set on pull bar, and one end of guide pin bushing has flange, and flange supports two
The other in which of individual sealing ring；Location-plate has stepped hole, and location-plate is set on pull bar with stepped hole, and stepped hole, which is supported, leads
The other end of set；Band shoulder nut, it is screw-locked on the screw thread of the pull bar other end；Wherein locking belt shoulder nut, guide pin bushing can be passed through
Flange and the both ends of pole cap and sealing ring two sealing rings are extruded, make its dilatancy.
Preferably, in above-mentioned technical proposal, location-plate also has at least one through hole, and location-plate passes through one by bolt
Location-plate is fixed on cylinder and covered by through hole.
Compared with prior art, the plugging device of inventive engine cylinder head oil duct leak test has that the design cycle is short, knot
Structure is simple, and small volume and less weight, versatility is stronger, beneficial effect simple to operate.
Brief description of the drawings
Fig. 1 is the use schematic diagram according to the plugging device of the engine cylinder cap oil duct leak test of the present invention.
Main Reference Numerals explanation：
1- pull bars, 2- band shoulder nuts, 3- bolts, 4- location-plates, 5- guide pin bushings, 6- sealing rings, 7- sealing rings, 8- fuel injectors
Hole, 9- areoles, 10- engine cylinder caps.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of 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, according to a kind of plugging device of engine cylinder cap oil duct leak test of the specific embodiment of the invention,
Engine cylinder cap oil duct includes oil injector hole 8 and areole 9, and plugging device is inserted in oil injector hole 8, to block side
Cinclides 9.Plugging device includes 1, two sealing ring 6 of pull bar, sealing ring 7, guide pin bushing 5, location-plate 4 and with shoulder nut 2.Pull bar 1
One end has pole cap, and the other end has screw thread.Two sealing rings 6 are set on pull bar 1, and one of two sealing rings 6 support
Push rod cap；Sealing ring 7 is set on pull bar 1, is placed between two sealing rings 6；Guide pin bushing 5 is set on pull bar 1, guide pin bushing 5
One end has flange, and flange supports the other in which of two sealing rings 6.Location-plate 4 has stepped hole, and location-plate 4 relies on platform
Rank borehole jack is located on pull bar 1, and stepped hole supports the other end of guide pin bushing 5, and location-plate 4 also has at least one through hole, and location-plate 4 leads to
Bolt 3 is crossed location-plate 4 is fixed on engine cylinder cap 10 through a through hole；Band shoulder nut 2, it is another that it is screw-locked at pull bar 1
On the screw thread of one end；Wherein locking belt shoulder nut 2, can be by the flange and pole cap of guide pin bushing 5 and the both ends of sealing ring 7 to two
Individual sealing ring 6 is extruded, and makes its dilatancy.
Fig. 1 is refer to again, in the application of reality, first by sealing ring 6, sealing ring 7, sealing ring 6, guide pin bushing 5, location-plate 4
It is sequentially sleeved on pull bar 1, the material of pull bar is steel (but the present invention is not limited thereto), finally loads onto band shoulder nut 2, afterwards will
The plugging device assembled is inserted into oil injector hole.Then location-plate 4 is fixed on into engine cylinder with bolt 3 to cover, it is fixed
Position plate 4 is made up (present invention is not limited thereto) of the steel plate with certain thickness and rigidity, has stepped hole on location-plate 4,
To be set on pull bar 1, stepped hole is embedded in location-plate 4 for guide pin bushing 5, also has more than one through hole, these through holes on location-plate 4
The corresponding existing screw near 8 mouthfuls of oil injector hole on different model engine cylinder cap 10, such one piece of location-plate 4 can be same
The engine cylinder cap 10 of Shi Shiyong Multiple Types uses.The present invention plugging device guide pin bushing 5 can also be equipped with it is multiple because
The position of the areole 9 of required closure is different, obtains the guide pin bushing 5 by different length to adjust the position of sealing ring 7, close to ensure
Seal ring 7 can block target areole 9 exactly.Next step locking belt shoulder nut 2, make two sealing rings 6 in the flange of guide pin bushing 5 and
Dilatancy under the mutual extruding at pole cap and the both ends of sealing ring 7；Because sealing ring 6 and the external diameter of sealing ring 7 and oil injector hole 8
Inwall and sealing ring 6 and the internal diameter of sealing ring 7 are to be fitted close with the external diameter of pull bar 1, thus, when two sealing rings 6 be pressurized it is swollen
When swollen, i.e., annular seal space is formd between two external diameters of sealing ring 6, so ensure that the oil duct leak test of engine cylinder cap 10
Demand.Finally, after the completion of oil duct leak test, band shoulder nut 2 is unclamped, plugging device is extracted out from oil injector hole 8 stand-by.
In summary, the plugging device of engine cylinder cap oil duct leak test of the invention compared with prior art, has and set
Count that the cycle is short, simple in construction, small volume and less weight, versatile, it is simple to operate, to operator without too many technical requirements the advantages that.
The description of the foregoing specific illustrative embodiment to the present invention is to illustrate and the purpose of illustration.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 explain that the certain principles of the present invention and its reality should
With so that those skilled in the art can realize and utilize the present invention a variety of exemplaries and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (2)
1. a kind of plugging device of engine cylinder cap oil duct leak test, the engine cylinder cap oil duct include oil injector hole with
And areole, the plugging device is inserted in the oil injector hole, to block the areole, it is characterised in that the envelope
Block apparatus includes：
Pull bar, its one end have pole cap, and the other end has screw thread；
Two sealing rings, it is set on the pull bar, and one of described two sealing rings support the pole cap；
Sealing ring, it is set on the pull bar, is placed between described two sealing rings；
Guide pin bushing, it is set on the pull bar, and one end of the guide pin bushing has flange, and the flange supports described two sealing rings
Other in which；
Location-plate, it has stepped hole, and the location-plate is set on the pull bar with the stepped hole, and the stepped hole is supported
The other end of the guide pin bushing；And
Band shoulder nut, it is screw-locked on the screw thread of the pull bar other end；
The band shoulder nut is wherein locked, the flange of the guide pin bushing and the pole cap and the sealing ring can be passed through
Both ends are extruded described two sealing rings, make its dilatancy.
2. plugging device according to claim 1, it is characterised in that the location-plate also has at least one through hole, institute
State location-plate the location-plate is fixed on by cylinder through a through hole by bolt and cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711264298.7A CN107860521A (en) | 2017-12-05 | 2017-12-05 | The plugging device of engine cylinder cap oil duct leak test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711264298.7A CN107860521A (en) | 2017-12-05 | 2017-12-05 | The plugging device of engine cylinder cap oil duct leak test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107860521A true CN107860521A (en) | 2018-03-30 |
Family
ID=61704633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711264298.7A Pending CN107860521A (en) | 2017-12-05 | 2017-12-05 | The plugging device of engine cylinder cap oil duct leak test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107860521A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029852A (en) * | 2018-07-27 | 2018-12-18 | 广西玉柴机器股份有限公司 | A kind of simplicity blocking film hole leak testing process and tooling |
| CN110686831A (en) * | 2019-11-08 | 2020-01-14 | 江西腾勒动力有限公司 | Engine cylinder block oil duct leakage test shutoff frock |
| CN111878579A (en) * | 2020-07-31 | 2020-11-03 | 广西玉柴机器股份有限公司 | Leakage test sealing method and sealing mechanism for oil hole of camshaft hole of cylinder block |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101173875A (en) * | 2006-10-31 | 2008-05-07 | 扬动股份有限公司 | Engine cylinder oil duct sealing inspection method and inspection device |
| CN202066751U (en) * | 2011-01-25 | 2011-12-07 | 中国石油大学(北京) | Pressure testing device for flange weld joints |
| CN203404369U (en) * | 2013-08-05 | 2014-01-22 | 上海希力自动化设备有限公司 | Plugging device used for leakage test of air impermeability of engine cylinder cover oil duct inclined oil port |
| CN103759006A (en) * | 2014-01-27 | 2014-04-30 | 安徽江淮汽车股份有限公司 | Internal expansion plugging device for cam shaft hole |
| CN203688163U (en) * | 2013-12-31 | 2014-07-02 | 浙江吉利控股集团有限公司 | Leakage-testing sealing device of engine cylinder cover VVT valve hole |
| CN205352618U (en) * | 2015-12-14 | 2016-06-29 | 湖南罗佑发动机部件有限公司 | Sealed end cap frock of engine oil chi pipe mounting hole |
| CN105784284A (en) * | 2016-05-19 | 2016-07-20 | 中国石化集团南京化学工业有限公司化工机械厂 | Detection device for inner hole welded joints |
| CN106090217A (en) * | 2016-07-08 | 2016-11-09 | 安徽江淮汽车股份有限公司 | Interior swollen plugging device |
| CN206531614U (en) * | 2017-03-02 | 2017-09-29 | 襄阳航林机械有限公司 | A kind of cylinder-body oil duct sealing detection frock |
| CN207439615U (en) * | 2017-12-05 | 2018-06-01 | 广西玉柴机器股份有限公司 | The plugging device of engine cylinder cap oil duct leak test |
-
2017
- 2017-12-05 CN CN201711264298.7A patent/CN107860521A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101173875A (en) * | 2006-10-31 | 2008-05-07 | 扬动股份有限公司 | Engine cylinder oil duct sealing inspection method and inspection device |
| CN202066751U (en) * | 2011-01-25 | 2011-12-07 | 中国石油大学(北京) | Pressure testing device for flange weld joints |
| CN203404369U (en) * | 2013-08-05 | 2014-01-22 | 上海希力自动化设备有限公司 | Plugging device used for leakage test of air impermeability of engine cylinder cover oil duct inclined oil port |
| CN203688163U (en) * | 2013-12-31 | 2014-07-02 | 浙江吉利控股集团有限公司 | Leakage-testing sealing device of engine cylinder cover VVT valve hole |
| CN103759006A (en) * | 2014-01-27 | 2014-04-30 | 安徽江淮汽车股份有限公司 | Internal expansion plugging device for cam shaft hole |
| CN205352618U (en) * | 2015-12-14 | 2016-06-29 | 湖南罗佑发动机部件有限公司 | Sealed end cap frock of engine oil chi pipe mounting hole |
| CN105784284A (en) * | 2016-05-19 | 2016-07-20 | 中国石化集团南京化学工业有限公司化工机械厂 | Detection device for inner hole welded joints |
| CN106090217A (en) * | 2016-07-08 | 2016-11-09 | 安徽江淮汽车股份有限公司 | Interior swollen plugging device |
| CN206531614U (en) * | 2017-03-02 | 2017-09-29 | 襄阳航林机械有限公司 | A kind of cylinder-body oil duct sealing detection frock |
| CN207439615U (en) * | 2017-12-05 | 2018-06-01 | 广西玉柴机器股份有限公司 | The plugging device of engine cylinder cap oil duct leak test |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029852A (en) * | 2018-07-27 | 2018-12-18 | 广西玉柴机器股份有限公司 | A kind of simplicity blocking film hole leak testing process and tooling |
| CN109029852B (en) * | 2018-07-27 | 2024-05-03 | 广西玉柴机器股份有限公司 | Simple and convenient plugging hole leakage test method and tool |
| CN110686831A (en) * | 2019-11-08 | 2020-01-14 | 江西腾勒动力有限公司 | Engine cylinder block oil duct leakage test shutoff frock |
| CN111878579A (en) * | 2020-07-31 | 2020-11-03 | 广西玉柴机器股份有限公司 | Leakage test sealing method and sealing mechanism for oil hole of camshaft hole of cylinder block |
| CN111878579B (en) * | 2020-07-31 | 2024-03-26 | 广西玉柴机器股份有限公司 | Leakage testing sealing method and sealing mechanism for oil hole of cam shaft hole of cylinder block |
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| 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: 20180330 |
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| RJ01 | Rejection of invention patent application after publication |