JPH02105182U - - Google Patents
Info
- Publication number
- JPH02105182U JPH02105182U JP1368089U JP1368089U JPH02105182U JP H02105182 U JPH02105182 U JP H02105182U JP 1368089 U JP1368089 U JP 1368089U JP 1368089 U JP1368089 U JP 1368089U JP H02105182 U JPH02105182 U JP H02105182U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- pinion
- gear
- shaft part
- synthetic resin
- 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
- 238000000465 moulding Methods 0.000 claims 2
- 230000003068 static effect Effects 0.000 claims 2
- 229920003002 synthetic resin Polymers 0.000 claims 2
- 239000000057 synthetic resin Substances 0.000 claims 2
- 239000007769 metal material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Gears, Cams (AREA)
Description
第１図、第２図は、本考案の１実施例を示すス
リツプ機構を備えた番車である２番車の構成図。
第３図、第４図は、従来のスリツプ機構を備えた
番車である２番車の構成図である。
１……２番真、２……２番歯車、３……２番カ
ナ、１―ａ……２番歯車保持リング部、１―ｂ…
…２番カナ保持リング部、１―ｆ……指針案内部
。
FIGS. 1 and 2 are configuration diagrams of a second wheel, which is a pinion wheel equipped with a slip mechanism, showing one embodiment of the present invention.
FIGS. 3 and 4 are configuration diagrams of a second wheel, which is a second wheel equipped with a conventional slip mechanism. 1...2nd stem, 2...2nd gear, 3...2nd pinion, 1-a...2nd gear retaining ring part, 1-b...
...No. 2 pinion holding ring section, 1-f... pointer guide section.
Claims (1)
一体的に形成されたカナ部、前記カナ部と同様に
合成樹脂で該軸部にスリツプ回転可能に一体的に
形成された歯車部からなる番車構造において、前
記カナ部の成形収縮による前記軸部への締めつけ
圧力Ｐ１、前記カナ部と前記軸部の接合面積Ｓ１
、その接合面半径ｒ１、前記カナ部と前記軸部の
静止摩擦係数ｕ１、また、前記歯車部の成形収縮
による前記軸部への締めつけ圧力Ｐ２、前記歯車
部と前記軸部の接合面積Ｓ２、その接合面半径ｒ
２、前記歯車と前記軸部の静止摩擦係数ｕ２の時
、 ｕ１，Ｐ１，Ｓ１，ｒ１＞ｕ２，Ｐ２
，Ｓ２，ｒ２ を満たすように、前記Ｕ１，Ｐ１，Ｓ１，Ｒ１，
Ｕ２，Ｐ２，Ｓ２，ｒ２を決定したことを特徴と
する時計の番車構造。[Claims for Utility Model Registration] A shaft made of a metal material, a pinion part made of synthetic resin and integrally formed with the shaft part, and a synthetic resin formed integrally with the shaft part in the same way as the pinion part so as to be able to slip and rotate on the shaft part. In the number wheel structure consisting of a gear portion formed in , a tightening pressure P 1 applied to the shaft portion due to molding shrinkage of the pinion portion, and a joint area S 1 between the pinion portion and the shaft portion.
, the joint surface radius r 1 , the static friction coefficient u 1 between the pinion part and the shaft part, the tightening pressure P 2 on the shaft part due to molding shrinkage of the gear part, and the joining of the gear part and the shaft part. Area S 2 , radius of the joint surface r
2. When the coefficient of static friction between the gear and the shaft is u 2 , u 1 , P 1 , S 1 , r 1 >u 2 , P 2
, S 2 , r 2 , the U 1 , P 1 , S 1 , R 1 ,
A clock wheel structure characterized in that U 2 , P 2 , S 2 , and r 2 are determined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1368089U JPH02105182U (en) | 1989-02-08 | 1989-02-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1368089U JPH02105182U (en) | 1989-02-08 | 1989-02-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02105182U true JPH02105182U (en) | 1990-08-21 |
Family
ID=31224193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1368089U Pending JPH02105182U (en) | 1989-02-08 | 1989-02-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02105182U (en) |
-
1989
- 1989-02-08 JP JP1368089U patent/JPH02105182U/ja active Pending