CN203385368U - Auxiliary tool for measuring close clearance of piston ring in cylinder sleeve - Google Patents
Auxiliary tool for measuring close clearance of piston ring in cylinder sleeve Download PDFInfo
- Publication number
- CN203385368U CN203385368U CN201320544409.0U CN201320544409U CN203385368U CN 203385368 U CN203385368 U CN 203385368U CN 201320544409 U CN201320544409 U CN 201320544409U CN 203385368 U CN203385368 U CN 203385368U
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- Prior art keywords
- piston ring
- cylinder sleeve
- cylinder
- measured
- section
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- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses an auxiliary tool for measuring the close clearance of a piston ring in a cylinder sleeve. The auxiliary tool is of a cylinder stepped shaft structure and sequentially comprises a piston ring locating guide section, a cylinder sleeve stroke section and a handle section. The diameter of the piston ring locating guide section is smaller than the inner aperture of the piston ring to be measured, the diameter of the cylinder sleeve stroke section is larger than the diameter of the piston ring locating guide section and smaller than the inner aperture of the cylinder sleeve, the lower end of the cylinder sleeve stroke section is connected with the top end of the piston ring locating guide section, and a press fitting stepped surface which conducts locating on the piston ring to be measured is formed at the joint. The lower end of the handle section is connected with the top end of the cylinder sleeve stroke section. The auxiliary tool for measuring the close clearance of the piston ring in the cylinder sleeve is simple and reasonable in structure, through the tool, the piston ring is guided, located and pressed at the effective stroke position in the cylinder sleeve, the piston ring and the cylinder sleeve are in a horizontal state, then, the close clearance of the piston ring is measured by a plug gauge, and therefore the accuracy of measuring the close clearance of the piston ring is improved, misjudgment is reduced, and maintenance cost of an engine is reduced.
Description
Technical field
The utility model relates to engine art, and particularly in a kind of piston ring and cylinder, end-gaps is measured auxiliary mould.
Background technology
At Engine Industry, when engine use to engine blow-by gas occurring in certain time limit or use procedure, while altering the wet goods fault, the cylinder prepareding gap of the piston of needs detection engine, cylinder sleeve, piston ring, it is the size of measuring the end-gaps of piston ring in cylinder sleeve for dragon, by the analysis to measured value, can find out the reason that fault produces.The existing method of measuring the end-gaps of piston ring in cylinder sleeve: piston ring first be pressed into the cylinder sleeve upper end a little, then with the piston of body engine, piston ring is pressed into to cylinder sleeve to effective travel, by the end-gaps value of feeler gauge measurement piston ring in cylinder sleeve.
But while using piston that piston ring is pressed into to cylinder sleeve, piston ring there will be inclination in by the force feed process, can not guarantee and the jacket water mean place, need repeatedly be adjusted the piston ring that is pressed into cylinder sleeve, even adjust, also be difficult to guarantee that piston ring and cylinder sleeve are horizontal.The maintenance personal, when measuring the end-gaps of piston ring, due to the inclination of piston ring position, there will be error during measurement, affect measuring accuracy, and analyzing failure cause that can not be correct can mislead the maintenance personal and change unnecessary part increase maintenance cost when serious.
The utility model content
The utility model is in order to overcome defect in above-mentioned prior art, provides a kind of simple and reasonable, can improve the accuracy of measuring piston ring end gap clearance and reduce erroneous judgement and measure auxiliary mould with end-gaps in the piston ring and cylinder that reduces maintenance cost.
For achieving the above object, according to the utility model, provide end-gaps in a kind of piston ring and cylinder to measure auxiliary mould, it is cylinder multidiameter structure, comprises successively:
Piston ring positioning and guiding section, diameter is less than piston ring internal orifice dimension to be measured;
The cylinder sleeve trip segment, diameter is greater than piston ring positioning and guiding section diameter, and is less than ，Qi lower end, cylinder sleeve bore footpath and is connected with piston ring positioning and guiding section top, forms the cascaded surface that press-fits of location piston ring to be measured in junction;
Handle section, its lower end is connected with cylinder sleeve trip segment top.
In technique scheme, the outer chamfer of piston ring positioning and guiding section.
In technique scheme, handle section is inner, the equal chamfering in outer end.
In technique scheme, the diameter of handle section is greater than the cylinder sleeve trip segment, with the junction of cylinder sleeve trip segment form piston ring to be measured be pushed in cylinder sleeve to the time effective travel position stop surface.
Compared with prior art, the utlity model has following beneficial effect: it is simple and reasonable that in this piston ring and cylinder, end-gaps is measured auxiliary mould, by this frock, piston ring is carried out to guide-localization and be pressed into effective travel position in cylinder sleeve, and make piston ring and cylinder sleeve in horizontality, then measure the end-gaps of piston ring with feeler gauge, improve like this accuracy of measuring piston ring end gap clearance, reduced erroneous judgement, reduced the maintenance cost of engine.
The accompanying drawing explanation
Fig. 1 is the structural representation that in piston ring and cylinder of the present utility model, end-gaps is measured auxiliary mould;
The structural representation that Fig. 2 is piston ring to be measured of the present utility model;
Fig. 3 is the use status architecture schematic diagram that in piston ring and cylinder of the present utility model, end-gaps is measured auxiliary mould;
Description of reference numerals:
11-piston ring positioning and guiding section, 12-cylinder sleeve trip segment, 121-press-fits cascaded surface, 13-handle section, 131-stop surface, 2-piston ring.
Embodiment
Below in conjunction with accompanying drawing, an embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subject to the restriction of embodiment.It will be appreciated that, mentioned in following embodiment of the present utility model " on ", D score, " left side ", " right side ", " front " and " reverse side " all take the direction shown in each figure as benchmark, these words that are used for limiting direction are only for convenience of explanation, do not represent the restriction to the concrete technical scheme of the utility model.
It is simple and reasonable that in piston ring and cylinder of the present utility model, end-gaps is measured auxiliary mould, by this frock, piston ring is carried out to guide-localization and be pressed into effective travel position in cylinder sleeve, and make piston ring and cylinder sleeve in horizontality, then measure the end-gaps of piston ring with feeler gauge, improved like this accuracy of measuring piston ring end gap clearance, reduce erroneous judgement, reduced the maintenance cost of engine.
Below detailed description by way of example but unrestriced mode has illustrated the disclosure, should be understood that various aspect of the present disclosure can be by independent realization or the realization of being combined with other aspects.This instructions clearly enables those skilled in the art to manufacture and uses us to believe for new and non-obvious improvement, describe some embodiment, alternative, modification, alternatives and system applies, comprised the current best mode that is considered to carry out the utility model principle of describing in this instructions.When describing element or feature and/or embodiment, be intended to expression titled with " one " " one " " be somebody's turn to do " and " described " and there are one or more in element or feature.Term " comprises " that " comprising " and " having " is intended to is comprising property, and also has extra element or feature beyond being illustrated in those specifically described elements or feature.
As shown in Figure 1, in this piston ring and cylinder, end-gaps measurement auxiliary mould is cylinder multidiameter structure, comprise successively from down to up: piston ring positioning and guiding section 11, cylinder sleeve trip segment 12 and handle section 13, wherein, the diameter of piston ring positioning and guiding section 11 is less than piston ring internal orifice dimension to be measured, make while measuring piston ring positioning and guiding section 11 can stretch into piston ring endoporus to be measured when pushing in cylinder sleeve in it, it is led.
The diameter of cylinder sleeve trip segment 12 is greater than piston ring positioning and guiding section 11 diameters, is less than ，Qi lower end, cylinder sleeve bore footpath and is connected with piston ring positioning and guiding section 11 tops, and what form location piston ring to be measured in junction press-fits cascaded surface 121.The axial height of cylinder sleeve trip segment 12 is that piston ring is pressed into the effective travel in cylinder sleeve.When piston ring positioning and guiding section 11 pushes in cylinder sleeve, piston ring to be measured is inserted in piston ring positioning and guiding section 11, and with press-fit cascaded surface 121 and be close to, to guarantee that piston ring and cylinder sleeve are in horizontality, improve like this accuracy of measuring piston ring end gap clearance with feeler gauge, reduce erroneous judgement, reduced the maintenance cost of engine.
The diameter of handle section 13 is greater than cylinder sleeve trip segment 12, and its lower end is connected with cylinder sleeve trip segment 12 tops, in junction, form piston ring to be measured be pushed in cylinder sleeve to the time effective travel position stop surface 131.
As shown in Figures 2 and 3, during measurement, at first piston ring to be measured 2 is pressed into to a little position, cylinder sleeve upper end, size according to the cylinder sleeve aperture, select the frock of suitable cylinder sleeve trip segment 12 diameters, frock front end piston ring positioning and guiding section 11 is inserted in to the endoporus of piston ring 2 and is advanced toward the cylinder sleeve bottom, in progradation, piston ring upper surface and frock press-fit cascaded surface 121 and are close to, when the stop surface 131 of frock handle section 13 contacts with the cylinder sleeve outer face, piston ring 2 has arrived effective travel position and piston ring now and cylinder sleeve in horizontality, take out auxiliary mould, then measure the end-gaps of piston ring with feeler gauge.
To sum up, it is simple and reasonable that in this piston ring and cylinder, end-gaps is measured auxiliary mould, by this frock, piston ring is carried out to guide-localization and be pressed into effective travel position in cylinder sleeve, and make piston ring and cylinder sleeve in horizontality, then measure the end-gaps of piston ring with feeler gauge, improve like this accuracy of measuring piston ring end gap clearance, reduced erroneous judgement, reduced the maintenance cost of engine.
Above disclosed be only several specific embodiment of the present utility model, still, the utility model is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (4)
1. the interior end-gaps of piston ring and cylinder is measured auxiliary mould, it is characterized in that, it is cylinder multidiameter structure, comprises successively:
Piston ring positioning and guiding section, diameter is less than piston ring internal orifice dimension to be measured;
The cylinder sleeve trip segment, diameter is greater than piston ring positioning and guiding section diameter, and is less than ，Qi lower end, cylinder sleeve bore footpath and is connected with piston ring positioning and guiding section top, forms the cascaded surface that press-fits of location piston ring to be measured in junction;
Handle section, its lower end is connected with cylinder sleeve trip segment top.
2. in piston ring and cylinder according to claim 1, end-gaps is measured auxiliary mould, it is characterized in that: the outer chamfer of described piston ring positioning and guiding section.
3. in piston ring and cylinder according to claim 1, end-gaps is measured auxiliary mould, it is characterized in that: described handle section is inner, the equal chamfering in outer end.
4. measure auxiliary mould according to end-gaps in the described piston ring and cylinder of any one in claims 1 to 3, it is characterized in that: the diameter of described handle section is greater than the cylinder sleeve trip segment, with the junction of cylinder sleeve trip segment form piston ring to be measured be pushed in cylinder sleeve to the time effective travel position stop surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320544409.0U CN203385368U (en) | 2013-08-30 | 2013-08-30 | Auxiliary tool for measuring close clearance of piston ring in cylinder sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320544409.0U CN203385368U (en) | 2013-08-30 | 2013-08-30 | Auxiliary tool for measuring close clearance of piston ring in cylinder sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203385368U true CN203385368U (en) | 2014-01-08 |
Family
ID=49873846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320544409.0U Expired - Fee Related CN203385368U (en) | 2013-08-30 | 2013-08-30 | Auxiliary tool for measuring close clearance of piston ring in cylinder sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203385368U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596398A (en) * | 2015-02-03 | 2015-05-06 | 刘书雄 | Gap measuring instrument |
| CN107525451A (en) * | 2017-08-01 | 2017-12-29 | 合肥江淮朝柴动力有限公司 | A kind of piston ring gap detection means and detection method |
| CN109238071A (en) * | 2018-10-09 | 2019-01-18 | 广西玉柴机器股份有限公司 | The detection method of the keystone ring axial gap of engine |
| CN113483633A (en) * | 2021-06-18 | 2021-10-08 | 荣成歌尔科技有限公司 | Assembled product gap measuring tool and inspection method |
-
2013
- 2013-08-30 CN CN201320544409.0U patent/CN203385368U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596398A (en) * | 2015-02-03 | 2015-05-06 | 刘书雄 | Gap measuring instrument |
| CN107525451A (en) * | 2017-08-01 | 2017-12-29 | 合肥江淮朝柴动力有限公司 | A kind of piston ring gap detection means and detection method |
| CN109238071A (en) * | 2018-10-09 | 2019-01-18 | 广西玉柴机器股份有限公司 | The detection method of the keystone ring axial gap of engine |
| CN113483633A (en) * | 2021-06-18 | 2021-10-08 | 荣成歌尔科技有限公司 | Assembled product gap measuring tool and inspection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20140108 Termination date: 20200830 |