JP2589155B2 - Inner diameter snap ring groove position measuring jig - Google Patents
Inner diameter snap ring groove position measuring jigInfo
- Publication number
- JP2589155B2 JP2589155B2 JP17489188A JP17489188A JP2589155B2 JP 2589155 B2 JP2589155 B2 JP 2589155B2 JP 17489188 A JP17489188 A JP 17489188A JP 17489188 A JP17489188 A JP 17489188A JP 2589155 B2 JP2589155 B2 JP 2589155B2
- Authority
- JP
- Japan
- Prior art keywords
- inner diameter
- outer frame
- closed
- cylindrical outer
- concave hole
- 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 - Fee Related
Links
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は特に先端の閉塞端側に円錐形状の穴を有し、
他端の開放端側に該円錐形状の穴と連結する円柱形状の
穴を有する凹穴内の、該円錐形状部の基準内径の位置か
ら該円柱形状部に形成した内径スナップリング用溝位置
の間の寸法を測定する治具に関し、測定を極めて容易に
したものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention particularly has a conical hole on the closed end side of the tip,
In a concave hole having a cylindrical hole connected to the conical hole on the open end side of the other end, between a position of a reference inner diameter of the conical portion and a position of an inner diameter snap ring groove formed in the cylindrical portion. With respect to a jig for measuring the dimensions of the above, the measurement is extremely facilitated.
〔従来の技術及び発明が解決しようとする課題〕 横断面円形で先端が閉塞した凹穴の他端開放側の円柱
形状部に形成した内径スナップリング用溝位置を、凹穴
の先端閉塞側を小径として形成した円錐形状部のテーパ
ー面上の基準内径の位置からの距離として測定し、また
はその寸法を検査することは、凹穴の先端が閉塞してい
ること、及び基準内径の位置がテーパー面上にあること
等の理由により、通常の測定治具では容易に測定できな
かった。[Problems to be Solved by the Related Art] The groove position for the inner diameter snap ring formed in the cylindrical shape portion on the other end open side of the concave hole whose cross section is circular and the distal end is closed, and the distal end closed side of the concave hole is Measuring or measuring the distance from the position of the reference inner diameter on the tapered surface of the conical portion formed as a small diameter means that the tip of the concave hole is closed, and the position of the reference inner diameter is tapered. Due to the fact that it was on a surface, it could not be easily measured with a normal measuring jig.
またこのような凹穴を有するブロックの該凹穴の軸方
向と直交する凹穴閉塞端側のブロック端面から凹穴内の
基準内径の位置までの寸法を測定することも上記と同様
の理由から極めて困難であった。In addition, it is also extremely difficult to measure the dimension from the block end face on the side of the concave hole closed end orthogonal to the axial direction of the concave hole of the block having such a concave hole to the position of the reference inner diameter in the concave hole for the same reason as described above. It was difficult.
従来はこれらを測定するにはコーントレーサーを用い
たり、又は測定位置以外に基準部を設けて間接的に行な
う代替検査的な測定であるため、時間や熟練を要し、か
つ精度の上からも満足できるものではなかった。Conventionally, these are measured by using a cone tracer, or by providing a reference part other than the measurement position and indirectly performing an alternative test, which requires time, skill, and accuracy. It was not satisfactory.
本発明はこれに鑑み種々検討の結果、誰にでもワンタ
ッチで容易に上記基準内径の位置からスナップリング用
溝上面の位置決めができ、また前記凹穴を有するブロッ
ク端面から基準内径の位置までの距離も同時に測定でき
る測定治具を開発したものである。In view of this, as a result of various studies, the present invention allows anyone to easily position the snap ring groove upper surface from the position of the reference inner diameter with one touch, and the distance from the end face of the block having the concave hole to the position of the reference inner diameter. Has also developed a measuring jig that can measure at the same time.
即ち本発明は一端が閉塞する筒状体の側面の開放端側
にコレット様の切り割りを軸方向に設け、さらに該筒状
体の開放端部の外周に、先端が閉塞し、他端が閉塞する
横断面円形の凹穴の開放側に形成した円柱形状部に設け
られている内径スナップリング用溝と着脱自在に嵌合す
る鍔を突設した筒状外枠と、該筒状外枠の閉塞端を貫通
して軸方向にスライドするスライドピンを上記筒状外枠
の開放端から外方へ突設し、その先端に上記凹穴の閉塞
側に該閉塞側を小径として形成した円錐形状部の軸方向
の所定位置の基準内径と同一の外径を有する円板とを設
け、さらに該円板と筒状外枠との間に設けたスプリング
により該円板が筒状外枠の開放端側の外方へ張られてな
ることを特徴とするものである。That is, in the present invention, a collet-like cut is provided in the axial direction on the open end side of the side surface of the cylindrical body whose one end is closed, and further, the distal end is closed on the outer periphery of the open end of the cylindrical body, and the other end is closed. A cylindrical outer frame provided with a flange that removably engages with a groove for an inner diameter snap ring provided on a cylindrical portion formed on the open side of a concave hole having a circular cross section to be formed; A conical shape in which a slide pin that penetrates the closed end and slides in the axial direction protrudes outward from the open end of the cylindrical outer frame, and is formed at the tip thereof on the closed side of the concave hole with the closed side having a small diameter. A disk having the same outer diameter as the reference inner diameter at a predetermined position in the axial direction of the portion, and the disk is opened by a spring provided between the disk and the cylindrical outer frame. It is characterized by being stretched outward on the end side.
第１図及び第２図に示すように一端が閉塞した筒状外
枠（１）の側面に軸方向に切り割り（２）を設けること
によって筒状外枠（１）の開放端部は径方向に伸縮が自
在になるのであらかじめ径を縮めた状態でブロック
（３）に設けた凹穴（４）の開放端から凹穴（４）内に
挿入してゆき、該筒状外枠（１）の開放端部の外周に突
設した鍔（５）がこの凹穴（４）の円柱形状部（８）に
設けられている内径スナップリング用溝（６）に着脱自
在に嵌合可能な位置で上記の縮めた力を開放する。こう
することにより上記鍔（５）が径方向に張って、その全
周で確実にこの溝（６）を捕えることができ、この測定
治具（７）全体をぐらつきのないように安定して維持で
きる特徴をもつ。なお筒状外枠（１）としては金属等の
弾性体が良い。As shown in FIGS. 1 and 2, the open end of the cylindrical outer frame (1) is provided in the radial direction by providing a cut (2) in the axial direction on the side surface of the cylindrical outer frame (1) having one end closed. The cylindrical outer frame (1) is inserted into the concave hole (4) from the open end of the concave hole (4) provided in the block (3) in a state where the diameter is reduced in advance. A flange (5) protruding from the outer periphery of the open end of the groove can be detachably fitted into a groove (6) for an inner diameter snap ring provided in a cylindrical portion (8) of the concave hole (4). Release the contracted force with. By doing so, the flange (5) is stretched in the radial direction, and the groove (6) can be reliably caught on the entire circumference thereof, and the measuring jig (7) can be stably prevented from wobbling as a whole. Has features that can be maintained. In addition, as the cylindrical outer frame (1), an elastic body such as a metal is preferable.
また筒状外枠（１）の閉塞端を貫通して軸方向にスラ
イドし得るスライドピン（９）の先端に設けた円板（1
0）はその径をブロック（３）の凹穴（４）内に閉塞側
を小径として形成した円錐形状部（11）での軸方向の所
定位置である基準内径と同一寸法としてあるので、円板
（10）は内径スナップリング用溝（６）により係止され
ている筒状外枠（１）と該円板（10）との間に取付けら
れているスプリング（12）の反発力により上記円錐形状
部（11）の基準内径の位置に押し付けられるので、常に
その円形端面（13）は基準内径の位置に維持されること
になる。A disk (1) provided at the tip of a slide pin (9) that can slide in the axial direction through the closed end of the cylindrical outer frame (1).
0) has the same diameter as the reference inner diameter which is a predetermined position in the axial direction of the conical portion (11) having the closed side formed with a small diameter in the concave hole (4) of the block (3). The plate (10) is repelled by a spring (12) mounted between the cylindrical outer frame (1) locked by the inner diameter snap ring groove (6) and the disk (10). Since the conical portion (11) is pressed against the position of the reference inner diameter, the circular end face (13) is always maintained at the position of the reference inner diameter.
そして上記のような構成の測定治具によれば円板（1
0）の円形端面（13）と筒状外枠（１）の鍔（５）の上
面との間の寸法（図中Ａで示す）は、筒状外枠（１）の
閉塞端端面（14）と円板（10）と一体のスライドピン端
面（15）との段差を測定することにより知ることができ
る。According to the measuring jig having the above configuration, the disk (1
0) and the dimension (indicated by A in the figure) between the circular end face (13) and the upper surface of the flange (5) of the cylindrical outer frame (1) is the closed end face (14) of the cylindrical outer frame (1). ) And the step between the disk (10) and the slide pin end surface (15) integral with the disk (10) can be determined.
また、スライドピン（９）の長さl2を、筒状外枠
（１）の鍔（５）の上面から筒状外枠（１）の閉塞端端
面（14）までの長さl1と上記凹穴（４）の円錐形状部
（11）の基準内径の位置からスナップリング溝（６）上
面までの正規寸法との和にしておけば、基準となる円形
端面（13）と筒状外枠（１）の鍔（５）の上面との間の
寸法（図中Ａで示す）が許容値内にあるか否かは、筒状
外枠（１）の閉塞端端面（14）とスライドピン端面（1
5）との段差をダイヤルゲージ（17）等で測定すれば容
易に知ることができる。The slide pin (9) the length l 2, the length l 1 to occlusion end-to-end surface (14) of the tubular outer frame from the upper surface of the flange (5) of the tubular outer frame (1) (1) If the sum of the regular dimension from the position of the reference inner diameter of the conical portion (11) of the concave hole (4) to the upper surface of the snap ring groove (6) is used, the reference circular end surface (13) and the cylindrical outer surface are formed. Whether the dimension (indicated by A in the figure) between the frame (1) and the upper surface of the flange (5) is within an allowable value is determined by sliding the closed end face (14) of the cylindrical outer frame (1) with the slide. Pin end face (1
It can be easily known by measuring the step with 5) with a dial gauge (17) or the like.
さらに上記凹穴（４）を有するブロック（３）の閉塞
端のブロック端面（16）から円錐形状部（11）の基準内
径の位置までの寸法（図中Ｂで示す）は、本発明の治具
をセットしてブロック端面（16）からスライドピン端面
（15）までの寸法を測定し、その値からスライドピンの
長さl2を差引けば容易に知ることができる。Further, the dimension (indicated by B in the figure) from the block end face (16) of the closed end of the block (3) having the concave hole (4) to the position of the reference inner diameter of the conical portion (11) is determined according to the present invention. Insert the tool to measure the dimensions of the block end face from (16) to the slide pin end face (15), it can be known from the value easier by subtracting the length l 2 of the slide pin.
もしスライドピン端面（15）が筒状外枠（１）の閉塞
端端面（14）から中に入り込んでいる場合にはブロック
端面（16）から筒状外枠（５）の閉塞端端面（14）まで
の寸法を測定し、測定値から筒状外枠（５）の閉塞端端
面（14）とスライドピン端面（15）との段差値とスライ
ドピンの長さl2との和を差引けばＢ寸法が得られる。If the slide pin end face (15) enters the closed end face (14) of the cylindrical outer frame (1), the closed end face (14) of the cylindrical outer frame (5) is inserted from the block end face (16). ) dimensions to measure, by subtracting the sum of the length l 2 of the step value and the slide pin of the closing end-to-end surface (14) the slide pin end surface (15) of the tubular outer frame (5) from the measured value In this case, the dimension B can be obtained.
またこのように測定位置が凹穴（４）の円錐形状部
（11）の基準内径（円板（10）の径と等しい）の位置及
び内径スナップリング用溝の位置であるため一般に測定
が容易といえないケースであるが本発明測定治具（７）
を用いることにより接触部を内径スナップリング用溝
（６）と円板（10）の円周端縁のみとして他の面や点を
使用していないのでこのような他の部分からの寸法精度
への悪影響をなくし容易に精度よい測定ができる利点を
もつ。In addition, since the measurement positions are the position of the reference inner diameter (equal to the diameter of the disk (10)) of the conical portion (11) of the concave hole (4) and the position of the groove for the inner diameter snap ring, measurement is generally easy. Although this is not the case, the measuring jig of the present invention (7)
By using the contact portion only as the inner peripheral snap ring groove (6) and the circumferential edge of the disk (10), and no other surface or point is used, the dimensional accuracy from such other portions is reduced. There is an advantage that accurate measurement can be easily performed by eliminating the adverse effect of
次に本発明の実施例について説明する。 Next, examples of the present invention will be described.
上記の構成の測定治具を用い、第３図に示すように先
端が閉塞し横断面円形の凹穴（４）を穿設したブロック
（３）の該凹穴（４）の閉塞端側のブロック端面（16）
から距離Ｂの位置、即ち凹穴（４）内の円錐形状部（1
1）の内径Ｄの位置を基準位置としてそこから内径スナ
ップリング用溝（６）の上面までの規定の寸法:Aの確認
及び上記基準位置からブロック端面（16）までの規定の
寸法:Bの確認を行なった。As shown in FIG. 3, a block (3) having a closed end and a circular hole (4) having a circular cross section was formed on the closed end side of the concave hole (4) using the measuring jig having the above-described configuration. Block end face (16)
At the distance B, ie, the conical portion (1) in the concave hole (4).
1) Using the position of the inner diameter D as a reference position, the specified dimension from there to the upper surface of the groove for inner diameter snap ring (6): Confirmation of A and the specified dimension from the reference position to the block end face (16): B Confirmation was made.
先ず筒状外枠（１）の手でつかみ指で径方向に縮めな
がらブロック（３）の凹穴（４）に挿入してゆき外径Ｄ
の円板（10）の円周端縁の全周を円錐形状部（11）の内
径Ｄの全周に当接させた状態で、筒状外枠（１）に内接
したスプリング（12）の反発力に抗して、筒状外枠
（１）の鍔（５）が円柱形状部（８）の内径スナップリ
ング用溝（16）位置に達するまで該筒状外枠（１）を押
し込む。First, grasp the cylindrical outer frame (1) with the hand and insert it into the concave hole (4) of the block (3) while shrinking it radially with your fingers.
The spring (12) inscribed in the cylindrical outer frame (1) in a state where the entire circumference of the circumferential edge of the circular plate (10) is in contact with the entire circumference of the inner diameter D of the conical portion (11). Of the cylindrical outer frame (1) until the flange (5) of the cylindrical outer frame (1) reaches the position of the groove (16) for the inner diameter snap ring of the cylindrical portion (8). .
次に指で縮めた力を緩め、鍔（５）と上記溝（６）と
を緩やかに嵌合して筒状外枠（１）をブロック（３）に
係止する。この状態で筒状外枠（１）の閉塞端端面（1
4）とスライドピン端面（15）との段差値を読むことに
よりＡ寸法が許容値内であるか否かを知ることができ
る。またブロック端面（16）からスライドピン端面（1
5）までの寸法を測定し、その値からスライドピンの全
長l2を差し引いて、ブロック端面から凹穴（４）の円錐
形状部（11）の基準位置までの寸法Ｂを測定した。Next, the force reduced by the finger is loosened, and the flange (5) and the groove (6) are loosely fitted to lock the cylindrical outer frame (1) to the block (3). In this state, the closed end face (1
By reading the step value between 4) and the slide pin end face (15), it is possible to know whether or not the dimension A is within the allowable value. In addition, slide pin end face (1
5) to a size measure of, from that value by subtracting the total length l 2 of the slide pin, and measuring the dimensions B from the block edge to the reference position of the conical portion (11) of the recessed hole (4).
このように本発明によれば先端が閉塞した凹穴の該閉
塞端側の円錐形状部であるテーパー部上の基準位置から
凹穴の開放端側の円柱形状部に形成した内径スナップリ
ング用溝位置までの寸法測定がその測定する面（線）だ
けをXY方向共にワンタッチで簡単に接触させて測定でき
るようになり、また基準位置に当接する円板は凹穴内に
係止した筒状外枠との間でスプリングによって互に張ら
れているので測定の基準は非常に安定しており測定値が
振れることはない。As described above, according to the present invention, the groove for the inner diameter snap ring formed in the cylindrical portion on the open end side of the concave hole from the reference position on the tapered portion which is the conical portion on the closed end side of the concave hole with the closed end. In the dimensional measurement up to the position, only the surface (line) to be measured can be easily contacted with one touch in both the X and Y directions and the measurement can be made. The disk that abuts the reference position is a cylindrical outer frame locked in a concave hole Since the measurement reference is very stable, the measurement value does not fluctuate because the measurement value is stable.
第１図は本発明測定治具を被測定物ブロックに係止した
状態を示す側断面図、第２図は本発明測定治具を示す底
面図、第３図は本発明測定治具の使用状態を示す説明図
である。 １……筒状外枠 ２……切り割り ３……ブロック ４……凹穴 ５……鍔 ６……内径スナップリング用溝 ７……測定治具 ８……円柱形状部 ９……スライドピン 10……円板 11……円錐形状部 12……スプリング 13……円形端面 14……閉塞端端面 15……スライドピン端面 16……ブロック端面 17……ダイヤルゲージFIG. 1 is a side sectional view showing a state where the measuring jig of the present invention is locked to an object block, FIG. 2 is a bottom view showing the measuring jig of the present invention, and FIG. 3 is use of the measuring jig of the present invention. It is explanatory drawing which shows a state. DESCRIPTION OF SYMBOLS 1 ... Cylindrical outer frame 2 ... Cutting 3 ... Block 4 ... Concave hole 5 ... Flange 6 ... Groove for inner diameter snap ring 7 ... Measuring jig 8 ... Cylindrical section 9 ... Slide pin 10 … Disc 11… Conical part 12… Spring 13… Circular end face 14… Closed end face 15… Slide pin end face 16… Block end face 17… Dial gauge
Claims (2)
コレット様の切り割りを軸方向に設け、さらに該筒状体
の開放端部の外周に、先端が閉塞し、他端が開放する横
断面円形の凹穴の開放側に形成した円柱形状部に設けら
れている内径スナップリング用溝と着脱自在に嵌合する
鍔を突設した筒状外枠と、該筒状外枠の閉塞端を貫通し
て軸方向にスライドするスライドピンを上記筒状外枠の
開放端から外方へ突き出し得るものとし、その先端に上
記凹穴の閉塞側に該閉塞側を小径として形成した円錐形
状部の軸方向の所定位置の基準内径と同一の外径を有す
る円板とを設け、さらに該円板と筒状外枠との間に設け
たスプリングにより該円板が筒状外枠の開放端の外方へ
張られてなることを特徴とする内径スナップリング溝位
置測定治具。1. A collet-like cut is provided in the axial direction on the open end of the side surface of a cylindrical body whose one end is closed, and further, the tip is closed on the outer periphery of the open end of the cylindrical body, and the other end is closed. A cylindrical outer frame having a flange protrudingly provided to be removably fitted with an inner diameter snap ring groove provided on a cylindrical portion formed on the open side of a concave hole having a circular cross section to be opened, and the cylindrical outer frame; A slide pin that slides in the axial direction through the closed end of the cylindrical outer frame can protrude outward from the open end of the cylindrical outer frame, and the closed side of the concave hole is formed at the distal end with a small diameter on the closed side of the concave hole. A disk having the same outer diameter as the reference inner diameter at a predetermined position in the axial direction of the conical portion; and further, the disk is formed by a spring provided between the disk and the cylindrical outer frame. An inner diameter snap ring groove position measuring jig which is stretched outward from an open end of the inner ring.
部の基準内径の所定位置に当接し、筒状外枠の開放端部
の外周に突設した鍔が凹穴の内径スナップリング用溝に
緩やかに嵌合したときにスライドピンの反円板側端面と
筒状外枠の閉塞端端面とを略同一平面とする請求項
（１）記載の内径スナップリング溝位置測定治具。2. A disk at the tip of a slide pin abuts a predetermined position of a reference inner diameter of a conical portion of a concave hole, and a flange protruding from an outer periphery of an open end of the cylindrical outer frame has an inner diameter snap ring of the concave hole. The jig for measuring the position of the inner diameter snap ring groove according to claim 1, wherein the end face of the slide pin opposite to the disc and the closed end face of the cylindrical outer frame are substantially flush with each other when the slide pin is loosely fitted into the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17489188A JP2589155B2 (en) | 1988-07-15 | 1988-07-15 | Inner diameter snap ring groove position measuring jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17489188A JP2589155B2 (en) | 1988-07-15 | 1988-07-15 | Inner diameter snap ring groove position measuring jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0225701A JPH0225701A (en) | 1990-01-29 |
| JP2589155B2 true JP2589155B2 (en) | 1997-03-12 |
Family
ID=15986487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17489188A Expired - Fee Related JP2589155B2 (en) | 1988-07-15 | 1988-07-15 | Inner diameter snap ring groove position measuring jig |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2589155B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608892B (en) * | 2008-06-18 | 2012-12-19 | 鸿富锦精密工业（深圳）有限公司 | Depth detection device |
| CN107228612A (en) * | 2017-07-06 | 2017-10-03 | 南京康尼精密机械有限公司 | A kind of workpiece hole depth cubing |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19961232C1 (en) * | 1999-12-18 | 2001-05-03 | Krupp Bilstein Gmbh | Chamfer angle measurer for chamfered bore has rail pivoted to end of measuring finger inserted in bore and contacted by measuring sensor coupled to measuring dial |
| JP2003083740A (en) * | 2001-09-10 | 2003-03-19 | Bridgestone Flowtech Corp | Screw-inspecting apparatus |
| CN102109313B (en) * | 2010-12-21 | 2012-04-25 | 西南石油大学 | Device and method for measuring small diameter of Monod drilling tool/pump stator liner inner chamber |
| CN107036566A (en) * | 2017-05-25 | 2017-08-11 | 中核（天津）机械有限公司 | The detection means of columnar workpiece end face run-out |
-
1988
- 1988-07-15 JP JP17489188A patent/JP2589155B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608892B (en) * | 2008-06-18 | 2012-12-19 | 鸿富锦精密工业（深圳）有限公司 | Depth detection device |
| CN107228612A (en) * | 2017-07-06 | 2017-10-03 | 南京康尼精密机械有限公司 | A kind of workpiece hole depth cubing |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0225701A (en) | 1990-01-29 |
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