JPH0618308Y2 - Watch pointer shaft support structure - Google Patents
Watch pointer shaft support structureInfo
- Publication number
- JPH0618308Y2 JPH0618308Y2 JP1986071813U JP7181386U JPH0618308Y2 JP H0618308 Y2 JPH0618308 Y2 JP H0618308Y2 JP 1986071813 U JP1986071813 U JP 1986071813U JP 7181386 U JP7181386 U JP 7181386U JP H0618308 Y2 JPH0618308 Y2 JP H0618308Y2
- Authority
- JP
- Japan
- Prior art keywords
- hand
- wheel
- shaft
- center
- hand 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.)
- Expired - Lifetime
Links
Landscapes
- Electromechanical Clocks (AREA)
Description
【考案の詳細な説明】 ［考案の技術分野］ この考案は時計の指針軸支持構造に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a pointer shaft support structure for a timepiece.
［従来技術とその問題点］ 従来、針式アナログ時計の内部機構は第３図に示す構成
になっている。即ち、時計ガラス１が取付けられた時計
ケース（図示せず）の内部に地板２及び輪列受３が設け
られ、この地板２と輪列受３との支持によって秒針軸４
ａを有する四番車（秒針車）４が取付けられている。ま
た、四番車（秒針車）４は図示しないステップモータ、
ロータ、中間車を介して一定周期で回動し、三番車５に
噛み合っている。また、三番車５は二番車（分針車）６
に噛み合い二番車（分針車）６は日ノ裏車７に噛み合
い、さらに日ノ裏車７は筒車（時針車）８に噛み合って
いる。また、四番車４の秒針軸４ａの先端部には秒針９
が取付けられると共に、二番車６には分針１０が、ま
た、筒車８には時針１１が取付けられている。[Prior Art and Its Problems] Conventionally, the internal mechanism of a hand-held analog timepiece has the configuration shown in FIG. That is, the main plate 2 and the train wheel bridge 3 are provided inside a watch case (not shown) to which the watch glass 1 is attached, and the second hand shaft 4 is supported by the base plate 2 and the train wheel bridge 3.
A fourth wheel & pinion (second hand wheel) 4 having a is attached. The fourth wheel (second hand wheel) 4 is a step motor (not shown),
It rotates in a constant cycle via the rotor and the intermediate wheel and meshes with the third wheel & pinion 5. The third wheel 5 is the second wheel (minute hand wheel) 6
The second wheel (minute hand wheel) 6 meshes with the Hino back wheel 7, and the Hino back wheel 7 further meshes with an hour wheel (hour hand wheel) 8. Further, the second hand 9 is attached to the tip of the second hand shaft 4a of the fourth wheel & pinion 4.
A minute hand 10 is attached to the center wheel & pinion 6, and an hour hand 11 is attached to the hour wheel 8.
また、四番車４と二番車６との間及び二番車６と筒車８
との間には、各歯車の回転軸を回動させるための隙間
Ａ、Ｂが設けられている。Further, between the fourth wheel 4 and the second wheel 6 and between the second wheel 6 and the hour wheel 8
Between them and, gaps A and B for rotating the rotation shafts of the gears are provided.
尚、１２は上面に時字（図示せず）を形成してなる文字
板である。In addition, 12 is a dial which has an hour character (not shown) formed on the upper surface.
上述した如く、従来のアナログ時計の機構は、四番車４
と二番車６及び二番車６と筒車８との間に隙間Ａ、Ｂが
設けられているため、各歯車の回転はスムーズに行われ
るが、これに反して、四番車（秒針車）４に取付けられ
る秒針の上下振幅及び回転軸の傾きによって四番車４が
安定した動きをせず、この動きが二番車、筒車に連動し
て各歯車が一定した動きをしないという欠点がある。ま
た、各歯車の動きは各歯車に取付けられる指針（時針、
分針、秒針）に伝えられ、各指針が上下に振られ各時
針、分針、秒針が触れてしまい確実な時刻表示がなされ
ないという欠点がある。この欠点を補うために各指針の
間隔を充分取る必要があり、必然的に時計が厚くなると
いう問題を有している。As described above, the mechanism of the conventional analog clock is the fourth wheel 4
And the center wheel & pinion 6, and the clearances A and B are provided between the center wheel & pinion 6 and the hour wheel 8, so that the rotation of each gear wheel is performed smoothly. On the contrary, the fourth wheel (second hand) It is said that the fourth wheel & pinion 4 does not move stably due to the vertical amplitude of the second hand attached to the wheel & wheel 4 and the inclination of the rotating shaft, and this movement does not move in a constant manner in conjunction with the second wheel & pinion. There are drawbacks. In addition, the movement of each gear indicates the pointer (hour hand,
It is transmitted to the minute hand and the second hand), and the hands are swung up and down to touch the hour hand, the minute hand and the second hand. In order to make up for this drawback, it is necessary to keep a sufficient distance between the hands, which inevitably causes a problem that the timepiece becomes thick.
［考案の目的］ この考案は上述した事情に鑑みてなされたもので、その
目的とするところは、回転軸の動きを一定に保ち、指針
の振れを防止して良好に針を運針することができると共
に、時計の薄型化をも可能とした時計の指針軸支持構造
を提供しようとするものである。[Object of the Invention] The present invention has been made in view of the above-described circumstances, and an object thereof is to keep the movement of the rotating shaft constant and prevent the pointer from swinging to move the needle satisfactorily. It is an object of the present invention to provide a pointer shaft support structure for a timepiece that can be made thin and can be made thin.
［考案の要点］ この考案は上述した目的を達成するために、時計ガラス
内面の秒針軸の軸心に位置する部分に支持ピンを固定
し、秒針上面の秒針軸の軸心に位置する部分に支持ピン
の下端が挿入される凹部を形成して、秒針軸の回転中心
を秒針の凹部と支持ピンとで保持するようにしたもので
ある。[Summary of the Invention] In order to achieve the above-mentioned object, the present invention has a support pin fixed to a portion of the inner surface of a watch glass located at the axis of the second hand shaft, and a portion of the upper surface of the second hand located at the center of the second hand shaft. By forming a recess into which the lower end of the support pin is inserted, the rotation center of the second hand shaft is held by the recess of the second hand and the support pin.
［実施例］ 以下、本考案の一実施例を第１図にもとづいて説明す
る。１は時計ケース（図示せず）に装着された時計ガラ
スであり、この時計ガラス１が取付けられた時計ケース
（図示せず）の内部即ち、時計ガラス１の下側に地板２
及び輪列受３が設けられ、この地板２と輪列受３との支
持によって秒針軸４ａを有する四番車（秒針車）４が取
付けられている。即ち、四番車（秒針車）４は図示しな
いステップモータ、ロータ、中間車を介して一定のパル
ス周期で回動し、輪列受３の受穴３ａ及び地板２の支持
穴２ａによって支持され三番車５に噛み合っている。ま
た、三番車５は二番車（分針車）６に噛み合い二番車
（分針車）６は日ノ裏車７に噛み合い、さらに日ノ裏車
７は筒車（時針車）８に噛み合っている。また、四番車
４の秒針軸４ａの先端部には秒針９が圧入状態で取付け
られている。また、二番車６の回転軸６ａの先端には分
針１０が、また、筒車８の回転軸８ａには時針１１が夫
々取付けられている。[Embodiment] An embodiment of the present invention will be described below with reference to FIG. Reference numeral 1 denotes a watch glass attached to a watch case (not shown). Inside the watch case (not shown) to which the watch glass 1 is attached, that is, below the watch glass 1, there is a main plate 2
A wheel train bridge 3 is provided, and a fourth wheel & pinion (second hand wheel) 4 having a second hand shaft 4a is attached by the support of the main plate 2 and the wheel train bridge 3. That is, the fourth wheel & pinion (second hand wheel) 4 is rotated at a constant pulse cycle through a step motor, rotor, and intermediate wheel (not shown), and is supported by the receiving hole 3a of the train wheel bridge 3 and the supporting hole 2a of the main plate 2. It meshes with the third wheel 5. Further, the third wheel & pinion 5 meshes with the second wheel & pinion (minute hand wheel) 6, the second wheel & pinion (minute hand wheel) 6 meshes with the Hino back wheel 7, and the Hino back wheel 7 meshes with the hour wheel (hour hand wheel) 8. ing. Further, a second hand 9 is attached to the tip of the second hand shaft 4a of the fourth wheel & pinion 4 in a press-fitted state. A minute hand 10 is attached to the tip of the rotary shaft 6a of the center wheel 6 and an hour hand 11 is attached to the rotary shaft 8a of the hour wheel 8.
また、四番車４と二番車６との間及び二番車６と筒車８
との間には、各歯車（四番車４、二番車６及び筒車８）
の回転軸をスムーズに回動させるための隙間Ａ、Ｂが設
けられている。Further, between the fourth wheel 4 and the second wheel 6 and between the second wheel 6 and the hour wheel 8
Between each gear (4th wheel 4, 2nd wheel 6 and hour wheel 8)
There are gaps A and B for smoothly rotating the rotating shaft.
また、地板２の上面には時間記号（１〜１２時）を示す
時字（図示せず）を形成した文字板１２が設けられ、こ
の文字板１２の中央には、前記各回転軸４ａ、６ａ、８
ａを上部へ貫通させる貫通孔１２ａが形成されている。Further, on the upper surface of the main plate 2, there is provided a dial 12 in which hour characters (not shown) indicating time symbols (1 to 12 o'clock) are formed, and at the center of the dial 12, the rotary shafts 4a, 6a, 8
A through hole 12a is formed to penetrate a through the upper part.
また、秒針軸４ａの先端における秒針９の上面には凹部
１３が形成されており、この凹部１３に対応する時計ガ
ラス１の下面には凹部１４が形成されている。そして、
この凹部１３及び１４が対向する時計ガラス１と秒針９
との間には各凹部１３及び１４に係合される係合凸部１
５ａ、１５ｂを形成してなる支持ピン１５が配置されて
いる。この支持ピン１５は前記秒針軸４ａの回転を安定
させ各指針（秒針９、分針１０、時針１１）の振れを防
ぐ合成樹脂製の支持部材であり、秒針軸４ａの中心上に
位置し秒針９の抜け防止にもなっている。A concave portion 13 is formed on the upper surface of the second hand 9 at the tip of the second hand shaft 4a, and a concave portion 14 is formed on the lower surface of the timepiece glass 1 corresponding to the concave portion 13. And
The watch glass 1 and the second hand 9 in which the recesses 13 and 14 face each other
Between the engaging projections 1 engaged with the respective recesses 13 and 14.
A support pin 15 formed by forming 5a and 15b is arranged. The support pin 15 is a synthetic resin support member that stabilizes the rotation of the second hand shaft 4a and prevents the hands (second hand 9, minute hand 10, hour hand 11) from swinging, and is located on the center of the second hand shaft 4a. It is also designed to prevent slipping out.
［考案の効果］ この考案は以上詳細に説明したように、時計ガラス内面
の秒針軸の軸心に位置する部分に支持ピン固定し、秒針
上面の秒針軸の軸心に位置する部分に支持ピンの下端が
挿入される凹部を形成して、秒針軸の回転中心を秒針の
凹部と支持ピンとで保持するようにしたものであるか
ら、指針が傾くことなく円滑に運針できると共に、指針
取付間隔が小さくなり時計の薄型化が計れるばかりか、
秒針の抜けを防止できる利点を有する。[Effect of the Invention] As described in detail above, the present invention fixes the support pin to the portion of the inner surface of the watch glass located at the axis of the second hand shaft and the support pin at the portion of the upper surface of the second hand located at the center of the second hand shaft. Since the concave part into which the lower end of the second hand is inserted is formed so that the rotation center of the second hand shaft is held by the concave part of the second hand and the support pin, the pointer can be smoothly moved without tilting and the pointer mounting interval is Not only can it be made smaller and the watch can be made thinner,
It has an advantage that the second hand can be prevented from coming off.
第１図は本考案の第１実施例の断面図、第２図は従来例
の断面図である。 １……時計ガラス、４……四番車、４ａ……秒針軸、
９、１５……秒針、１５……支持ピン。FIG. 1 is a sectional view of a first embodiment of the present invention, and FIG. 2 is a sectional view of a conventional example. 1 ... Watch glass, 4 ... 4th wheel, 4a ... Second hand axis,
9, 15 ... Second hand, 15 ... Support pin.
Claims (1)
針軸が回転可能に配置され、前記二番車の筒状分針軸の
内部に四番車の秒針軸が回転可能に配置され、前記秒針
軸の先端にこの秒針軸の軸心上端を覆うように秒針が固
定されると共に、前記分針軸及び時針軸の先端に分針及
び時針が固定され、前記秒針の上方に時計ガラスが配置
されてなる時計の指針軸支持構造において、 前記時計ガラス内面の前記秒針軸の軸心に位置する部分
に支持ピンが固定され、前記秒針上面の前記秒針軸の軸
心に位置する部分に前記支持ピンの下端が挿入される凹
部が形成され、 前記秒針軸の回転中心が前記秒針の凹部と前記支持ピン
とで保持されてなる時計の指針軸支持構造。1. A cylindrical minute hand shaft of a center wheel & pinion is rotatably arranged inside a cylindrical hour hand shaft of a minute wheel, and a second hand shaft of a fourth wheel rotates inside the cylindrical minute hand shaft of the center wheel & pinion. The second hand is fixed to the distal end of the second hand shaft so as to cover the upper end of the center of the second hand shaft, and the minute hand and the hour hand are fixed to the distal ends of the minute hand shaft and the hour hand shaft. In a pointer shaft support structure of a timepiece in which a watch glass is arranged, a support pin is fixed to a portion of the inner surface of the watch glass located at the axis center of the second hand shaft, and the support pin is located at the shaft center of the second hand shaft on the upper surface of the second hand. A timepiece hand shaft support structure for a timepiece, in which a recess into which the lower end of the support pin is inserted is formed, and the center of rotation of the second hand shaft is held by the recess of the second hand and the support pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986071813U JPH0618308Y2 (en) | 1986-05-15 | 1986-05-15 | Watch pointer shaft support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986071813U JPH0618308Y2 (en) | 1986-05-15 | 1986-05-15 | Watch pointer shaft support structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62184489U JPS62184489U (en) | 1987-11-24 |
| JPH0618308Y2 true JPH0618308Y2 (en) | 1994-05-11 |
Family
ID=30914706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986071813U Expired - Lifetime JPH0618308Y2 (en) | 1986-05-15 | 1986-05-15 | Watch pointer shaft support structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0618308Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51115968U (en) * | 1975-03-17 | 1976-09-20 |
-
1986
- 1986-05-15 JP JP1986071813U patent/JPH0618308Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62184489U (en) | 1987-11-24 |
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