JPH0348729U - - Google Patents
Info
- Publication number
- JPH0348729U JPH0348729U JP10861889U JP10861889U JPH0348729U JP H0348729 U JPH0348729 U JP H0348729U JP 10861889 U JP10861889 U JP 10861889U JP 10861889 U JP10861889 U JP 10861889U JP H0348729 U JPH0348729 U JP H0348729U
- Authority
- JP
- Japan
- Prior art keywords
- recess
- dial gauge
- measuring
- volume
- piston
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Description
第１図は本考案の一実施例を示すピストン冠面
の容積測定具の断面図、第２図は第１図のＺ矢視
図、第３図および第４図は本考案による計算式の
説明図、第５図ａ，ｂおよび第６図は従来例の測
定具を示す説明図である。
１……ピストン本体、１ａ……ピストン冠面、
１ｂ……基準面、２……凹部、３……測定具本体
、４……ダイヤルゲージ、４ａ……測定子、５…
…測定ピン、６……鋼球。
Fig. 1 is a cross-sectional view of a piston crown volume measuring device showing an embodiment of the present invention, Fig. 2 is a view taken in the direction of the Z arrow in Fig. 1, and Figs. 3 and 4 show the calculation formula according to the present invention. The explanatory diagrams, FIGS. 5a and 5b, and FIG. 6 are explanatory diagrams showing conventional measuring instruments. 1... Piston body, 1a... Piston crown surface,
1b...Reference surface, 2...Recess, 3...Measuring tool body, 4...Dial gauge, 4a...Measure head, 5...
...Measuring pin, 6... Steel ball.
Claims (1)
面を形成する測定具本体と、上記測定本体に組込
まれたダイヤルゲージと、一端部が上記ダイヤル
ゲージの測定子に当接し且つ他端部の円周上等分
位置に配設された鋼球がピストン本体の凹部に当
接して凹部の芯出しをすると共に、凹部の口元径
の変化に応じた基準面から鋼球と凹部との接点ま
での高さの変化をダイヤルゲージに伝える測定ピ
ンとからなり、上記ダイヤルゲージの読みから凹
部の容積を換算できるよう構成したことを特徴と
するピストン冠面の容積測定具。 a measuring instrument body that abuts against the piston crown surface of the piston body to form a reference surface; a dial gauge built into the measuring body; one end of which abuts against the measuring head of the dial gauge; The steel balls arranged at the upper equal positions contact the recess of the piston body to center the recess, and also adjust the height from the reference plane to the point of contact between the steel ball and the recess according to changes in the mouth diameter of the recess. 1. A volume measuring device for a piston crown surface, comprising a measuring pin for transmitting a change in volume to a dial gauge, and configured so that the volume of a recess can be calculated from the reading of the dial gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10861889U JPH0348729U (en) | 1989-09-19 | 1989-09-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10861889U JPH0348729U (en) | 1989-09-19 | 1989-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0348729U true JPH0348729U (en) | 1991-05-10 |
Family
ID=31657250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10861889U Pending JPH0348729U (en) | 1989-09-19 | 1989-09-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0348729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016113932A (en) * | 2014-12-12 | 2016-06-23 | マツダ株式会社 | Determination method and determination device for quality of combustion chamber shape of cylinder head |
-
1989
- 1989-09-19 JP JP10861889U patent/JPH0348729U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016113932A (en) * | 2014-12-12 | 2016-06-23 | マツダ株式会社 | Determination method and determination device for quality of combustion chamber shape of cylinder head |
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