JPS6446568U - - Google Patents
Info
- Publication number
- JPS6446568U JPS6446568U JP14201887U JP14201887U JPS6446568U JP S6446568 U JPS6446568 U JP S6446568U JP 14201887 U JP14201887 U JP 14201887U JP 14201887 U JP14201887 U JP 14201887U JP S6446568 U JPS6446568 U JP S6446568U
- Authority
- JP
- Japan
- Prior art keywords
- fitting hole
- cut portion
- mounting device
- cut
- rotating shaft
- 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
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 210000000078 claw Anatomy 0.000 description 1
Landscapes
- Gears, Cams (AREA)
Description
第１図ないし第３図はこの考案の実施例に関す
るもので、第１ａ図は回転軸のＤカツト部を示し
た側面図、第１ｂ図は第１ａ図のＡ―Ａ線断面図
、第２ａ図は歯車の平面図、第２ｂ図は同歯車の
断面図、第３図は歯車の取付状態を示した断面図
、第４図は従来例を示した断面図である。
図中、１０は回転軸、１１はＤカツト部、１２
は歯車、１３，１５ａは平坦面、１３ａ，１６ａ
はテーパ面、１４は切欠き溝、１５は嵌合穴、１
６は案内突起、１７は係合爪である。
Figures 1 to 3 relate to an embodiment of this invention, in which Figure 1a is a side view showing the D-cut portion of the rotating shaft, Figure 1b is a sectional view taken along the line A--A in Figure 1a, and Figure 2a is a side view showing the D-cut portion of the rotating shaft. 2B is a sectional view of the same gear, FIG. 3 is a sectional view showing the gear in an attached state, and FIG. 4 is a sectional view of a conventional example. In the figure, 10 is a rotating shaft, 11 is a D cut part, 12
is a gear, 13 and 15a are flat surfaces, 13a and 16a
is a tapered surface, 14 is a notch groove, 15 is a fitting hole, 1
6 is a guide protrusion, and 17 is an engaging claw.
Claims (1)
付ける装置において、 上記回転軸の端部をその軸方向に沿う平坦面を
有する断面Ｄカツト状に形成するとともに、該Ｄ
カツト部の円弧面にその周方向に沿う切欠き溝を
設け、上記歯車側には上記Ｄカツト部にほぼ合致
するＤカツト形状の嵌合穴を形成するとともに、
該嵌合穴内の所定部位に上記切欠き溝に係合する
係合爪を形成してなることを特徴とする歯車取付
装置。 (2) 上記嵌合穴の開口端部には同嵌合穴を上記
Ｄカツト部に嵌合する際、その平坦面に対するガ
イドとしての案内突起が形成されている実用新案
登録請求の範囲第１項記載の歯車取付装置。 (3) 上記回転軸のＤカツト部の裾部分と上記案
内突起の衝合面には互いに合致するテーパ面がそ
れぞれ形成されている実用新案登録請求の範囲第
２項記載の歯車取付装置。 (4) 上記係合爪には上記Ｄカツト部に対する上
記嵌合穴の挿入を容易にするためのテーパ面が形
成されている実用新案登録請求の範囲第１項記載
の歯車取付装置。[Claims for Utility Model Registration] (1) In a device for attaching a gear made of synthetic resin to a rotating shaft with a circular cross section, the end of the rotating shaft is formed into a D-cut shape in cross section with a flat surface along the axial direction. Along with the D
A notch groove is provided in the arcuate surface of the cut portion along its circumferential direction, and a D-cut-shaped fitting hole is formed on the gear side to approximately match the D-cut portion,
A gear mounting device characterized in that an engaging pawl that engages with the notch groove is formed at a predetermined portion within the fitting hole. (2) The opening end of the fitting hole is formed with a guide protrusion as a guide for the flat surface when the fitting hole is fitted into the D-cut portion. Gear mounting device as described in section. (3) The gear mounting device according to claim 2, wherein the bottom portion of the D-cut portion of the rotating shaft and the abutting surface of the guide protrusion are each formed with a tapered surface that matches each other. (4) The gear mounting device according to claim 1, wherein the engaging pawl is formed with a tapered surface to facilitate insertion of the fitting hole into the D-cut portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14201887U JPS6446568U (en) | 1987-09-17 | 1987-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14201887U JPS6446568U (en) | 1987-09-17 | 1987-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6446568U true JPS6446568U (en) | 1989-03-22 |
Family
ID=31407597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14201887U Pending JPS6446568U (en) | 1987-09-17 | 1987-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6446568U (en) |
-
1987
- 1987-09-17 JP JP14201887U patent/JPS6446568U/ja active Pending
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