JP2517943Y2 - Radius gauge - Google Patents
Radius gaugeInfo
- Publication number
- JP2517943Y2 JP2517943Y2 JP1989104369U JP10436989U JP2517943Y2 JP 2517943 Y2 JP2517943 Y2 JP 2517943Y2 JP 1989104369 U JP1989104369 U JP 1989104369U JP 10436989 U JP10436989 U JP 10436989U JP 2517943 Y2 JP2517943 Y2 JP 2517943Y2
- Authority
- JP
- Japan
- Prior art keywords
- radius
- gauge
- curved surface
- radius gauge
- straight
- 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.)
- Expired - Lifetime
Links
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Description
【考案の詳細な説明】 ［考案の目的］ （産業上の利用分野） 本考案は、曲面の半径の測定に用いられるルーラ式の
ラジアスゲージに係り、特に拡がり角が鈍角（オブデュ
ースアングル）の曲面半径の測定に用いられるラジアス
ゲージに係る。[Detailed Description of the Invention] [Object of the Invention] (Industrial field of application) The present invention relates to a ruler type radius gauge used for measuring the radius of a curved surface, and in particular, the divergence angle is obtuse. This is related to the radius gauge used to measure the radius of the curved surface.
（従来の技術） 一般に、ラジアスルーラと称されるラジアスゲージ
は、90°を形成する二つの直線辺の交点部に所定半径の
曲線部を有する板状の定規として構成され、このラジア
スゲージを用いた測定に於ては、ラジアスゲージの曲面
部を被測定物の曲面に押し当て、ラジアスゲージの曲面
部が被測定物の曲面に一致するか否かの判別が行われ
る。(Prior Art) Generally, a radius gauge called a radius ruler is configured as a plate-shaped ruler having a curved portion with a predetermined radius at the intersection of two straight sides forming 90 °. In the other measurement, the curved surface of the radius gauge is pressed against the curved surface of the object to be measured, and it is determined whether the curved surface of the radius gauge matches the curved surface of the object to be measured.
（考案が解決しようとする課題） 従来のラジアスゲージは、90°を形成する二つの直線
辺の交点部に所定半径の曲線部が設けられていることか
ら、測定し得る被測定物の曲面の拡がり角は90°以下で
あり、90°以下の鋭角を対象とした測定定規であった。
このため、従来のラジアスゲージ101によっては、第４
図、第５図に示されている如く、拡がり角が90°以上の
鋭角の曲面の半径を有する被測定物Ｗを測定することが
不可能であり、拡がり角が鋭角の曲面半径を測定する場
合には、被測定物との干渉部分を削り取るなどしてラジ
アスゲージを使用用途に応じて改良する必要があった。(Problems to be solved by the invention) Since the conventional radius gauge is provided with a curved portion with a predetermined radius at the intersection of two straight sides forming 90 °, The divergence angle was 90 ° or less, and it was a measuring ruler for sharp angles of 90 ° or less.
Therefore, depending on the conventional radius gauge 101, the fourth
As shown in FIG. 5 and FIG. 5, it is impossible to measure an object to be measured W having a divergence angle of 90 ° or more and an acute curved surface radius. In this case, it was necessary to improve the radius gauge according to the intended use by, for example, scraping off the portion that interferes with the measured object.
本考案は、上述の如き不具合に鑑み、拡がり角が鋭角
の曲面半径を適切に測定することができるラジアスゲー
ジを提供することを目的としている。The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a radius gauge capable of appropriately measuring a radius of a curved surface having an acute divergence angle.
［考案の構成］ （課題を解決するための手段） 上述のごとき従来の問題に鑑みて、本考案は、ラジア
スゲージにおいて、第１の直線辺と第２の直線辺とが鈍
角をなす交点部に所定半径で凹形の円弧状の第１の曲線
部を形成して設け、前記第1,第２の直線辺と平行な第3,
第４の直線辺の交点部に所定半径で凸形の円弧状の第２
の曲線部を形成してなるものである。[Structure of the Invention] (Means for Solving the Problem) In view of the conventional problems as described above, the present invention is, in a radius gauge, an intersection portion where the first straight line side and the second straight line side form an obtuse angle. A concave arc-shaped first curved portion having a predetermined radius is formed on the third curved line which is parallel to the first and second straight sides.
The second arcuate second arc with a predetermined radius at the intersection of the fourth straight side
Is formed by forming a curved portion of.
（作用） 上述の如き構成によれば、前記曲線部は鈍角の拡がり
角をもって存在するようになり、これに応じてラジアス
ゲージが鈍角を有する被測定物の曲面にフィットし得る
ようになり、拡がり角が鈍角の曲面半径の測定が行われ
得るようになる。(Operation) According to the configuration as described above, the curved portion exists with an obtuse divergence angle, and accordingly, the radius gauge can fit the curved surface of the measured object having an obtuse angle, and the divergence is increased. Measurement of the radius of a curved surface with an obtuse angle can be performed.
（実施例） 以下に添付の図を参照して本考案の実施例について詳
細に説明する。Embodiment An embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
第１図は本考案によるラジアスゲージの一つの実施例
を示している。図において、符号１はラジアスゲージを
全体的に示している。ラジアスゲージ１は金属板等によ
り構成され、外側に鈍角（90＋θ）°を形成する二つの
直線辺３、５を有し、この二つの直線辺３、５の互いの
交点部に所定半径Ｒの曲線部７が設けられている。FIG. 1 shows one embodiment of the radius gauge according to the present invention. In the drawings, reference numeral 1 generally indicates a radius gauge. The radius gauge 1 is composed of a metal plate or the like, and has two straight sides 3 and 5 forming an obtuse angle (90 + θ) ° on the outer side, and the intersections of the two straight sides 3 and 5 have a predetermined radius R. A curved portion 7 is provided.
またラジアスゲージ１は直線辺３、５の各々に対し平
行に延在して内側に前記鈍角（90＋θ）°と同じ鈍角を
形成する二つの直線辺９、11を有しており、この二つの
直線辺９、11の互いの交点部に所定半径Ｒの曲線部13が
形成されている。ラジアスゲージ１の一端部には鋭角
（90−θ）°を形成する直線辺15、17が設けられてお
り、この二つの直線辺15、17の互いの交点部に所定半径
Ｒの切欠状の、換言すれば弓状の曲線部19が形成されて
いる。The radius gauge 1 has two straight sides 9 and 11 extending in parallel to the straight sides 3 and 5 and forming an obtuse angle equal to the obtuse angle (90 + θ) ° inside. A curved portion 13 having a predetermined radius R is formed at the intersection of the straight sides 9 and 11. The radius gauge 1 is provided at one end with straight sides 15 and 17 forming an acute angle (90-θ) °, and at the intersections of these two straight sides 15 and 17, a notch with a predetermined radius R is formed. In other words, an arcuate curved portion 19 is formed.
第２図及び第３図は第１図に示された本考案によるラ
ジアスゲージを用いた曲面半径の測定作業例を示してい
る。第２図及び第３図に於て各々符号Ｗは被測定物を示
しており、被測定物Ｗは拡がり角が鈍角（90＋θ）°の
曲面Wrを有している。この曲面Wrの曲面半径の測定に際
しては、第２図に示されている如く、ラジアスゲージ１
の曲面部７を被測定物Ｗの曲面Wrに押し当ててラジアス
ゲージ１の直線辺３、曲線部７、直線辺５を被測定物Ｗ
の測定外面にフィットさせることにより行われる。FIGS. 2 and 3 show an example of the work of measuring the radius of curved surface using the radius gauge according to the present invention shown in FIG. In FIGS. 2 and 3, the symbol W indicates the object to be measured, and the object W to be measured has a curved surface Wr having an obtuse angle (90 + θ) °. When measuring the radius of curvature of this curved surface Wr, as shown in FIG. 2, the radius gauge 1
The curved surface portion 7 of the radius gauge 1 is pressed against the curved surface Wr of the measured object W, and the straight side 3, the curved portion 7, and the straight side 5 of the radius gauge 1 are measured.
The measurement is performed by fitting it to the outer surface.
また被測定物Ｗの曲面Wrの曲面半径の測定は、第３図
に示されている如く、ラジアスゲージ１の曲面部19をそ
の曲面Wrに押し当てることによっても行われる。The measurement of the radius of curvature of the curved surface Wr of the object to be measured W is also performed by pressing the curved surface portion 19 of the radius gauge 1 against the curved surface Wr, as shown in FIG.
以上に於ては、本考案を特定の実施例について詳細に
説明したが、本考案は、これに限定されるものではな
く、本考案の範囲内にて種々の実施例が可能であること
は当業者にとって明らかであろう。In the above, the present invention has been described in detail with respect to a specific embodiment, but the present invention is not limited to this, and various embodiments are possible within the scope of the present invention. It will be apparent to those skilled in the art.
［考案の効果］ 上述のごとき実施例の説明より理解されるように、要
するに本考案は、ラジアスゲージにおいて、第１の直線
辺（３）と第２の直線辺（５）とが鈍角をなす交点部に
所定半径（Ｒ）で凹形の円弧状の第１の曲線部（７）を
形成して設け、前記第1,第２の直線辺（3,5）と平行な
第3,第４の直線辺（9,11）の交点部に所定半径（Ｒ）で
凸形の円弧状の第２の曲線部（13）を形成してなるもの
である。[Effects of the Invention] As will be understood from the description of the embodiments as described above, the present invention is, in short, the radius gauge in which the first straight line side (3) and the second straight line side (5) form an obtuse angle. A concave arc-shaped first curved line portion (7) having a predetermined radius (R) is formed at the intersection point and provided, and the third and third straight lines parallel to the first and second straight sides (3, 5) are provided. The second curved portion (13) having a convex arc shape and having a predetermined radius (R) is formed at the intersection of the straight sides (9, 11) of 4.
したがって、本考案によれば、被測定物の曲面が凹形
の鈍角の場合には凸形の曲線部13によって半径を測定で
き、被測定物の内面が凸形の鈍角の場合には第１の凹形
の曲線部７によって半径を測定することができる。Therefore, according to the present invention, when the curved surface of the DUT has a concave obtuse angle, the radius can be measured by the convex curved portion 13, and when the inner surface of the DUT has a convex obtuse angle, the first radius can be measured. The radius can be measured by the concave curved portion 7 of.
すなわち、被測定物の曲面が凹形又は凸形であっても
容易に対応して測定することができるものである。That is, even if the curved surface of the object to be measured is concave or convex, the corresponding measurement can be easily performed.
第１図は本考案によるラジアスゲージの一つの実施例を
示す平面図、第２図及び第３図は各々第１図に示された
本考案によるラジアスゲージの使用例を示す説明図、第
４図及び第５図は各々従来のラジアスゲージを用いた拡
がり角が鈍角の曲面半径の測定作業例を示す説明図であ
る。 １……ラジアスゲージ、３、５……直線辺 ７……曲線部、９、11……直線辺 13……曲線部、15、17……直線辺 19……曲線部FIG. 1 is a plan view showing one embodiment of a radius gauge according to the present invention, and FIGS. 2 and 3 are explanatory views showing an example of use of the radius gauge according to the present invention shown in FIG. 1, 4 respectively. FIG. 5 and FIG. 5 are explanatory views showing an example of measurement work of a curved surface radius with an obtuse divergence angle using a conventional radius gauge. 1 ... Radius gauge, 3,5 ... Straight side 7 ... Curved section, 9,11 ... Straight side 13 ... Curved section, 15,17 ... Straight side 19 ... Curved section
Claims (1)
（３）と第２の直線辺（５）とが鈍角をなす交点部に所
定半径（Ｒ）で凹形の円弧状の第１の曲線部（７）を形
成して設け、前記第1,第２の直線辺（3,5）と平行な第
3,第４の直線辺（9,11）の交点部に所定半径（Ｒ）で凸
形の円弧状の第２の曲線部（13）を形成してなることを
特徴とするラジアスゲージ。1. In a radius gauge, a concave arc-shaped first curve having a predetermined radius (R) at an intersection point where a first straight line side (3) and a second straight line side (5) form an obtuse angle. A part (7) is formed to be provided, and the first and second straight sides (3, 5) are parallel to each other.
A radius gauge characterized in that a convex arc-shaped second curved portion (13) having a predetermined radius (R) is formed at the intersection of the third and fourth straight sides (9, 11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989104369U JP2517943Y2 (en) | 1989-09-07 | 1989-09-07 | Radius gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989104369U JP2517943Y2 (en) | 1989-09-07 | 1989-09-07 | Radius gauge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0344601U JPH0344601U (en) | 1991-04-25 |
| JP2517943Y2 true JP2517943Y2 (en) | 1996-11-20 |
Family
ID=31653164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989104369U Expired - Lifetime JP2517943Y2 (en) | 1989-09-07 | 1989-09-07 | Radius gauge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2517943Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5388688B2 (en) * | 2009-05-15 | 2014-01-15 | 三協立山株式会社 | gauge |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS521151U (en) * | 1975-06-23 | 1977-01-06 | ||
| JPS60134103U (en) * | 1984-02-18 | 1985-09-06 | 関東自動車工業株式会社 | All gauge |
| JPH0243602U (en) * | 1988-09-16 | 1990-03-26 |
-
1989
- 1989-09-07 JP JP1989104369U patent/JP2517943Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0344601U (en) | 1991-04-25 |
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