JP2012052919A - Wrist watch - Google Patents

Wrist watch Download PDF

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JP2012052919A
JP2012052919A JP2010195961A JP2010195961A JP2012052919A JP 2012052919 A JP2012052919 A JP 2012052919A JP 2010195961 A JP2010195961 A JP 2010195961A JP 2010195961 A JP2010195961 A JP 2010195961A JP 2012052919 A JP2012052919 A JP 2012052919A
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gear
elastic piece
operation member
tooth
rotation
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Japanese (ja)
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Yuji Doi
裕治 土居
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Casio Computer Co Ltd
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Casio Computer Co Ltd
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Priority to JP2010195961A priority Critical patent/JP2012052919A/en
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Abstract

PROBLEM TO BE SOLVED: To provide a wrist watch capable of regulating the rotational direction of a rotary ring to a specific direction by a simple structure.SOLUTION: A gear 15 attached to a rotatable operation member 7 attached to the side part of a wrist watch case 1 so as to be pierced from the outside to the inside of the case 1 and an elastic piece 20 attached to a rear cover 3 formed on the lower part of the wrist watch case 1 and elastically contacting with the gear 15 are configured so that when the operation member 7 is rotated in one direction, the elastic piece 20 is elastically deformed by a tooth part 16 of the gear 15 so as to rotate the operation member 7, and when the operation member 7 is rotated in the other direction, the elastic piece 20 locks the tooth part 16 of the gear 15 to obstruct the rotation of the operation member 7. Thereby, the rotational direction of the rotary ring 6 to be rotated interlocking with the rotation of the gear 15 can be regulated only to a specific direction by a simple structure only adding the elastic piece 20.

Description

この発明は、回転目盛板や回転見切板などの回転リングを腕時計ケース内に備えた腕時計に関する。   The present invention relates to a wristwatch provided with a rotating ring such as a rotary scale plate or a rotary parting plate in a watch case.

従来、腕時計においては、特許文献1に記載されているように、腕時計ケース内の内周面に沿って回転可能に設けられた回転目盛板などの回転リングを備え、腕時計ケースの側部にその外部から内部に貫通する竜頭などの操作部材を回転操作可能に設けると共に、腕時計ケース内に位置する操作部材の内端部に歯車を設け、この歯車の歯部を回転リングの歯部に噛み合わせ、この状態で操作部材を回転操作させると、これに伴って歯車が回転し、この歯車の回転によって回転リングが回転するように構成されたものが知られている。   Conventionally, as described in Patent Document 1, a wristwatch includes a rotating ring such as a rotary scale plate that is rotatably provided along an inner peripheral surface of the wristwatch case. An operation member such as a crown penetrating from the outside to the inside is provided so as to be rotatable, and a gear is provided at the inner end of the operation member located in the wristwatch case, and the tooth portion of the gear is engaged with the tooth portion of the rotating ring. In this state, when the operation member is rotated, the gear rotates along with the rotation, and the rotation ring is rotated by the rotation of the gear.

実開平04−66597号公報Japanese Utility Model Publication No. 04-66597

しかしながら、このような従来の腕時計では、操作部材を一方向に回転させると、これに伴って歯車が同方向に回転し、この歯車の回転によって回転リングが一方向に回転し、また操作部材を逆方向に回転させると、これに伴って歯車も逆方向に回転し、この歯車の回転によって回転リングが逆方向にも回転するため、回転リングの回転方向を特定方向のみに規制することができないという問題があった。   However, in such a conventional wristwatch, when the operating member is rotated in one direction, the gear rotates in the same direction, and the rotation of the rotating ring rotates in one direction due to the rotation of the gear. When rotating in the reverse direction, the gear also rotates in the reverse direction, and the rotation ring rotates in the reverse direction due to the rotation of the gear. Therefore, the rotation direction of the rotation ring cannot be restricted to a specific direction. There was a problem.

この発明が解決しようとする課題は、簡単な構造で、回転リングの回転方向を特定方向に規制することができる腕時計を提供することである。   The problem to be solved by the present invention is to provide a wrist watch that can regulate the rotation direction of the rotating ring to a specific direction with a simple structure.

この発明は、上記課題を解決するために、次のような構成要素を備えている。
請求項1に記載の発明は、時計モジュールを収容する腕時計ケースと、この腕時計ケースの下側に取り付けられた裏蓋と、前記腕時計ケースの側部にその外部から内部に貫通して設けられた回転操作可能な操作部材と、前記腕時計ケース内に位置する前記操作部材の内端部側に設けられて前記操作部材と共に一体的に回転する歯車と、前記腕時計ケース内にその内周面に沿って回転可能に設けられ、且つ前記操作部材の回転操作に伴う前記歯車の回転に連動して回転する回転リングと、前記裏蓋に固定されて前記歯車の歯部に弾接する弾性片とを備え、前記歯車と前記弾性片とは、前記操作部材が一方向に回転した際に前記歯車の前記歯部によって前記弾性片が弾性変形して前記操作部材を回転可能とし、前記操作部材が他方向に回転された際に前記弾性片が前記歯車の前記歯部を係止して前記操作部材の回転を阻止するように形成されていることを特徴とする腕時計である。
In order to solve the above problems, the present invention includes the following components.
The invention according to claim 1 is provided with a watch case for accommodating a watch module, a back cover attached to the lower side of the watch case, and a side portion of the watch case penetrating from the outside to the inside. An operation member that can be rotated, a gear that is provided on the inner end side of the operation member located in the watch case and rotates integrally with the operation member, and an inner peripheral surface of the watch case along its inner peripheral surface And a rotating ring that rotates in conjunction with rotation of the gear accompanying rotation of the operating member, and an elastic piece that is fixed to the back cover and elastically contacts the tooth portion of the gear. The gear and the elastic piece are configured such that, when the operation member rotates in one direction, the elastic piece is elastically deformed by the tooth portion of the gear so that the operation member can be rotated, and the operation member is rotated in the other direction. Rotated to It is a wristwatch, characterized in that said elastic piece is formed so as to prevent rotation of the operating member engages the teeth of the gear.

請求項2に記載の発明は、前記弾性片が、その一端部を前記裏蓋に固定し、他端部を前記歯車の前記歯部間に出没可能に挿入させて前記歯車の前記他方向への回転を阻止することを特徴とする請求項1に記載の腕時計である。   According to a second aspect of the present invention, the elastic piece has one end fixed to the back cover, and the other end inserted into the tooth portion of the gear so that it can protrude and retract in the other direction of the gear. The wristwatch according to claim 1, which prevents rotation of the wristwatch.

請求項3に記載の発明は、前記弾性片が、その一端部を前記裏蓋に固定し、この一端部と他端部との間にフック部を設け、このフック部を前記歯車の前記歯部間に出没可能に挿入させて前記歯車の前記他方向への回転を阻止することを特徴とする請求項1に記載の腕時計である。   According to a third aspect of the present invention, the elastic piece has one end fixed to the back cover, a hook is provided between the one end and the other end, and the hook is connected to the tooth of the gear. The wristwatch according to claim 1, wherein the wristwatch is inserted so as to be able to protrude and retract to prevent the gear from rotating in the other direction.

この発明によれば、操作部材を一方向に回転させた際に、歯車の歯部によって弾性片が弾性変形して操作部材を回転可能とし、また操作部材を他方向に回転させた際に、弾性片が歯車の歯部を係止して操作部材の回転を阻止することができるので、弾性片を付加するだけの簡単な構造で、回転リングの回転方向を特定方向に規制することができる。   According to the present invention, when the operating member is rotated in one direction, the elastic piece is elastically deformed by the gear teeth and the operating member can be rotated, and when the operating member is rotated in the other direction, Since the elastic piece can lock the gear teeth and prevent the operation member from rotating, the rotation direction of the rotating ring can be restricted to a specific direction with a simple structure simply by adding the elastic piece. .

この発明を適用した腕時計の実施形態1を示した要部の拡大正面図である。It is an enlarged front view of the principal part which showed Embodiment 1 of the wristwatch to which this invention is applied. 図1のA−A矢視における断面を示した一部省略した拡大斜視図である。It is the expansion perspective view which abbreviate | omitted one part which showed the cross section in the AA arrow of FIG. 図1のA−A矢視における拡大断面図である。It is an expanded sectional view in the AA arrow of FIG. 図3の操作部材を示した拡大斜視図である。FIG. 4 is an enlarged perspective view showing an operation member of FIG. 3. 図4の操作部材に歯車を取り付けた状態を示した拡大斜視図である。It is the expansion perspective view which showed the state which attached the gearwheel to the operation member of FIG. 図3に示された腕時計において、歯車の逆転防止機構を示した要部の拡大斜視図である。FIG. 4 is an enlarged perspective view of a main part showing a gear reverse rotation prevention mechanism in the wristwatch shown in FIG. 3. 図3のB−B矢視において弾性片が歯車の回転を規制する状態を示した拡大断面図である。It is the expanded sectional view which showed the state which an elastic piece controls rotation of a gearwheel in the BB arrow view of FIG. 図7において歯車の歯部が弾性片を乗り越える状態を示した拡大断面図である。FIG. 8 is an enlarged cross-sectional view showing a state where the tooth portion of the gear rides over the elastic piece in FIG. 7. この発明を適用した腕時計の実施形態2において、その要部を断面で示した一部省略した拡大斜視図である。In Embodiment 2 of the wristwatch to which the present invention is applied, it is an enlarged perspective view with a part omitted showing its main part in a cross section. 図9に示しされた腕時計において、その断面の箇所を示した要部の拡大断面図である。FIG. 10 is an enlarged cross-sectional view of a main part showing the cross-section of the wristwatch shown in FIG. 9. 図10に示された腕時計において、歯車の逆転防止機構を示した要部の拡大斜視図である。FIG. 11 is an enlarged perspective view of a main part showing a gear reverse rotation prevention mechanism in the wristwatch shown in FIG. 10. 図10のC−C矢視において弾性片が歯車の回転を規制する状態を示した拡大断面図である。It is the expanded sectional view which showed the state in which an elastic piece controls rotation of a gearwheel in CC arrow of FIG. 図12において歯車の歯部が弾性片を乗り越える状態を示した拡大断面図である。FIG. 13 is an enlarged cross-sectional view showing a state where the tooth portion of the gear rides over the elastic piece in FIG. 12.

(実施形態1)
以下、図1〜図8を参照して、この発明を適用した腕時計の実施形態1について説明する。
この腕時計は、図1〜図3に示すように、腕時計ケース1を備えている。この腕時計ケース1の上側開口部には、時計ガラス2が取り付けられており、この腕時計ケース1の下部には、裏蓋3が取り付けられている。
(Embodiment 1)
A first embodiment of a wristwatch to which the present invention is applied will be described below with reference to FIGS.
The wristwatch includes a wristwatch case 1 as shown in FIGS. A watch glass 2 is attached to the upper opening of the watch case 1, and a back cover 3 is attached to the lower portion of the watch case 1.

また、この腕時計ケース1の内部には、図3に示すように、時計モジュール4(図3に2点鎖線で示す)が配置されている。この時計モジュール4は、図示しないが、時刻などの情報を表示する表示部や、指針の運針により時刻を指示する時計ムーブメントなどの時計機能に必要な各種の部品を備えている。また、この時計モジュール4と時計ガラス2との間には、図2および図3に示すように、腕時計ケース1の内周面に沿って回転する回転目盛板や回転見切板などの回転リング6が回転可能に設けられている。   Further, as shown in FIG. 3, a watch module 4 (indicated by a two-dot chain line in FIG. 3) is arranged inside the wristwatch case 1. Although not shown, the timepiece module 4 includes various parts necessary for a timepiece function such as a display unit that displays information such as time and a timepiece movement that indicates time by moving hands. Further, between the timepiece module 4 and the timepiece glass 2, as shown in FIGS. 2 and 3, a rotating ring 6 such as a rotary scale plate or a rotary parting plate that rotates along the inner peripheral surface of the watch case 1 is provided. Is rotatably provided.

さらに、この腕時計ケース1における3時側の側部には、図1〜図3に示すように、操作部材7が回転操作可能に設けられている。この場合、腕時計ケース1の側部には、図2および図3に示すように、貫通孔1aが内部と外部とに貫通して設けられており、この貫通孔1a内には、パイプ8が腕時計ケース1の内部と外部とに貫通した状態で固定されている。   Further, as shown in FIGS. 1 to 3, an operation member 7 is rotatably provided on the side of the wristwatch case 1 on the 3 o'clock side. In this case, as shown in FIG. 2 and FIG. 3, a side portion of the wristwatch case 1 is provided with a through hole 1a penetrating inside and outside, and a pipe 8 is provided in the through hole 1a. It is fixed in a state of penetrating inside and outside the watch case 1.

操作部材7は、図2〜図5に示すように、頭部10と軸部11とを備え、頭部10が腕時計ケース1の外部に位置し、軸部11が腕時計ケース1のパイプ8内に挿入されて腕時計ケース1の内部に突出した状態で、パイプ8内に回転可能に取り付けられている。この操作部材7の頭部10は、図3に示すように、その外径がパイプ8の外径よりも十分に大きく形成されている。   As shown in FIGS. 2 to 5, the operation member 7 includes a head portion 10 and a shaft portion 11, the head portion 10 is located outside the watch case 1, and the shaft portion 11 is inside the pipe 8 of the watch case 1. And is rotatably mounted in the pipe 8 in a state of protruding into the wristwatch case 1. As shown in FIG. 3, the head 10 of the operating member 7 has an outer diameter that is sufficiently larger than the outer diameter of the pipe 8.

また、この頭部10の内側面つまり腕時計ケース1の外側面に対面する頭部10の内側面(図3では左側面)には、図2〜図5に示すように、パイプ8の外端部(図3では右端部)が挿入するリング状の挿入溝10aが設けられている。このリング状の挿入溝10a内には、図3に示すように、パイプ8の外端部が弾接して相対的に摺動する防水リング12が設けられている。   Further, on the inner side surface of the head portion 10, that is, the inner side surface of the head portion 10 facing the outer side surface of the watch case 1 (the left side surface in FIG. 3), as shown in FIGS. A ring-shaped insertion groove 10a into which the portion (the right end portion in FIG. 3) is inserted is provided. As shown in FIG. 3, a waterproof ring 12 is provided in the ring-shaped insertion groove 10a.

また、この操作部材7の軸部11は、図2〜図5に示すように、その外径がパイプ8の内径よりも少し小さく形成されている。この軸部11の外周面には、複数のリング状の溝部11aが設けられている。このリング状の溝部11a内には、パイプ8の内周面に弾接して相対的に摺動する複数の防水リング13がそれぞれ取り付けられている。また、この軸部11における腕時計ケース1内に突出する内端部側(図4では左端部側)には、図4に示すように、角棒状の歯車取付部14が設けられている。   Further, the shaft portion 11 of the operation member 7 has an outer diameter slightly smaller than the inner diameter of the pipe 8 as shown in FIGS. A plurality of ring-shaped groove portions 11 a are provided on the outer peripheral surface of the shaft portion 11. A plurality of waterproof rings 13 that slide relative to the inner peripheral surface of the pipe 8 are attached to the ring-shaped groove 11a. Further, as shown in FIG. 4, a square bar-shaped gear mounting portion 14 is provided on the inner end portion side (left end portion side in FIG. 4) projecting into the wristwatch case 1 in the shaft portion 11.

この角棒状の歯車取付部14には、図2〜図5に示すように、歯車15がEリングなどの抜止め部材17によって取り付けられている。すなわち、この抜止め部材17は、図3および図4に示すように、軸部11の内端部(図3では左端部)に設けられた取付溝部11bに取り付けられて、歯車15が軸部11の歯車取付部14から脱落するのを防ぐように構成されている。   As shown in FIGS. 2 to 5, a gear 15 is attached to the square bar-like gear attachment portion 14 by a retaining member 17 such as an E-ring. That is, as shown in FIGS. 3 and 4, the retaining member 17 is attached to the attachment groove 11b provided at the inner end portion (left end portion in FIG. 3) of the shaft portion 11, and the gear 15 is connected to the shaft portion. It is comprised so that it may prevent dropping from the 11 gear mounting parts 14.

歯車15は、図2、図3および図5に示すように、その中心部に四角形状の軸孔18が設けられ、この軸孔18に操作部材7の歯車取付部14が嵌合するように構成されている。これにより、歯車15は、その軸孔18に軸部11の歯車取付部14が挿入することにより、軸部11に取り付けられ、この状態で操作部材7と共に一体的に回転するように構成されている。   As shown in FIGS. 2, 3, and 5, the gear 15 is provided with a rectangular shaft hole 18 at the center thereof, and the gear mounting portion 14 of the operation member 7 is fitted into the shaft hole 18. It is configured. Thus, the gear 15 is attached to the shaft portion 11 by inserting the gear mounting portion 14 of the shaft portion 11 into the shaft hole 18, and is configured to rotate integrally with the operation member 7 in this state. Yes.

また、この歯車15は、図6〜図8に示すように、その外周部に等間隔で多数の歯部16が設けられ、この歯車15の上側に位置する歯部16が腕時計ケース1内に設けられた回転リング6の歯部6aに噛み合うように構成されている。これにより、この歯車15は、操作部材7の回転操作に伴って操作部材7と共に回転すると、その回転に連動して回転リング6を腕時計ケース1の内周面に沿って回転させるように構成されている。   Further, as shown in FIGS. 6 to 8, the gear 15 is provided with a large number of teeth 16 on the outer periphery thereof at equal intervals, and the teeth 16 positioned on the upper side of the gear 15 are in the watch case 1. It is comprised so that it may mesh | engage with the tooth | gear part 6a of the provided rotating ring 6. FIG. Accordingly, when the gear 15 is rotated together with the operation member 7 in accordance with the rotation operation of the operation member 7, the rotation ring 6 is rotated along the inner peripheral surface of the watch case 1 in conjunction with the rotation. ing.

この場合、回転リング6は、目盛が表示された分時間などの減算目盛機能を有する回転目盛板や、世界の各都市が表示されたワールドタイム用の回転見切板、あるいは目盛機能を有しない回転板などであり、図2および図3に示すように、腕時計ケース1内にその内周面に沿って回転可能に設けられている。また、この回転リング6の下面には、図6〜図8に示すように、歯車15の上側に位置する歯部16が順次噛み合う歯部6aが回転リング6の円周に沿って等間隔で多数設けられている。   In this case, the rotating ring 6 is a rotating scale plate having a subtracting scale function such as a minute time on which the scale is displayed, a rotating parting plate for world time displaying each city in the world, or a rotation having no scale function. 2 and 3, the watch case 1 is provided so as to be rotatable along the inner peripheral surface thereof. Further, on the lower surface of the rotating ring 6, as shown in FIGS. 6 to 8, tooth portions 6 a in which the tooth portions 16 positioned on the upper side of the gear 15 are sequentially meshed with each other along the circumference of the rotating ring 6 at equal intervals. Many are provided.

ところで、歯車15は、その歯部16が腕時計ケース1の下部に設けられた裏蓋3の弾性片20に順次弾接して回転するように構成されている。この場合、裏蓋3の内面(図2では上面)には、図2および図6に示すように、取付溝部19が歯車15に対応して設けられている。この取付溝部19は、歯車15の接線方向に沿って細長く形成されており、この裏蓋3の取付溝部19内には、弾性片20が設けられている。   By the way, the gear 15 is configured such that its tooth portion 16 is sequentially elastically contacted with the elastic piece 20 of the back cover 3 provided at the lower portion of the wristwatch case 1 to rotate. In this case, on the inner surface (upper surface in FIG. 2) of the back cover 3, as shown in FIGS. 2 and 6, mounting groove portions 19 are provided corresponding to the gears 15. The attachment groove portion 19 is formed elongated along the tangential direction of the gear 15, and an elastic piece 20 is provided in the attachment groove portion 19 of the back cover 3.

この弾性片20は、板ばねであり、図6に示すように、歯車15の下側に位置して歯車15の接線方向に沿った状態で、裏蓋3の取付溝部19内に配置されている。この場合、弾性片20は、図6に示すように、その一端部20a(図6では左端部)が裏蓋3の取付溝部19内に溶接や溶着などによって固定され、その他端部である先端部20bが歯車15の下側に位置する歯部16に弾接するように構成されている。   The elastic piece 20 is a leaf spring, and is disposed in the mounting groove portion 19 of the back cover 3 in a state along the tangential direction of the gear 15 as shown in FIG. Yes. In this case, as shown in FIG. 6, the elastic piece 20 has one end 20 a (left end in FIG. 6) fixed in the mounting groove 19 of the back cover 3 by welding or welding, and the other end. The portion 20b is configured to elastically contact the tooth portion 16 located on the lower side of the gear 15.

すなわち、この弾性片20は、図6〜図8に示すように、その先端部20bが裏蓋3の取付溝部19内から歯車15の接線方向に沿って歯車15の下側に位置する歯部16の間に向けて斜め上方に延び、この延びた先端部20bが歯部16間に挿入し、この状態で上下方向に弾性変形するように構成されている。   That is, as shown in FIGS. 6 to 8, the elastic piece 20 has a tip portion 20 b positioned at the lower side of the gear 15 along the tangential direction of the gear 15 from the attachment groove portion 19 of the back cover 3. In this state, the extending tip 20b is inserted between the teeth 16 and is elastically deformed in the vertical direction.

具体的には、この弾性片20は、図6〜図8に示すように、その一端部20aが歯車15の下側に位置する歯部16から左側に離れた位置に固定され、他端部である先端部20bが裏蓋3の取付溝部19内から歯車15の下側に位置する歯部16に沿って、その左側から右側に向けて接近しながら斜め上方に延び、この延びた先端部20bが歯部16間に挿入して右側に位置する歯部16の歯側面16aに弾接するように構成されている。   Specifically, as shown in FIGS. 6 to 8, the elastic piece 20 has one end portion 20 a fixed to the left side from the tooth portion 16 located on the lower side of the gear 15 and the other end portion. The front end portion 20b extends obliquely upward while approaching from the left side to the right side along the tooth portion 16 located below the gear 15 from the inside of the attachment groove portion 19 of the back cover 3, and this extended front end portion 20b is inserted between the tooth portions 16 and elastically contacts the tooth side surface 16a of the tooth portion 16 located on the right side.

これにより、弾性片20は、図6および図8において歯車15が反時計回りに回転する際に、歯車15の下側に位置する歯部16のうち、弾性片20の真上に位置する歯部16の歯先16bによって弾性片20の先端部20bが徐々に押し下げられて弾性変位し、この弾性片20の先端部20bがこれに弾接している歯部16から下側に離れて歯車15の回転方向に対し相対的に位置がずれると、弾性片20が弾性復帰し、その先端部20bが次の歯部16間に挿入することにより、歯車15にクリック感を付与するように構成されている。   As a result, the elastic piece 20 is a tooth located directly above the elastic piece 20 among the tooth portions 16 located on the lower side of the gear 15 when the gear 15 rotates counterclockwise in FIGS. 6 and 8. The tip portion 20b of the elastic piece 20 is gradually pushed down and elastically displaced by the tooth tip 16b of the portion 16, and the tip portion 20b of the elastic piece 20 is separated downward from the tooth portion 16 that is elastically contacted with the gear piece 15. When the position is shifted relative to the rotational direction, the elastic piece 20 is elastically restored, and the tip portion 20b is inserted between the next tooth portions 16 to give the gear 15 a click feeling. ing.

すなわち、この弾性片20は、図6〜図8に示すように、操作部材7が一方向(図6では反時計回り方向)に回転した際に、歯車15の下側に位置する歯部16の歯先16bによって、弾性片20の先端部20bが徐々に押し下げられて弾性変形することにより、歯部16が弾性片20を順次乗り越えて、歯車15を一方向(図6では反時計回り方向)に回転させると共に、歯部16が弾性片20を乗り越えたときに、歯車15にクリック感を付与するように構成されている。   That is, as shown in FIGS. 6 to 8, the elastic piece 20 has a tooth portion 16 positioned below the gear 15 when the operating member 7 rotates in one direction (counterclockwise direction in FIG. 6). The tip portion 20b of the elastic piece 20 is gradually pushed down and elastically deformed by the tooth tip 16b of the tooth piece 16b, so that the tooth portion 16 sequentially moves over the elastic piece 20 and moves the gear 15 in one direction (in the counterclockwise direction in FIG. 6). ) And the gear 15 is configured to give a click feeling when the tooth portion 16 gets over the elastic piece 20.

また、この弾性片20は、図6および図7に示すように、操作部材7が他方向(図6では時計回り方向)に回転された際に、弾性片20の先端部20bが歯車15の下側に位置する歯部16間に弾力的に挿入していることにより、この挿入した先端部20bが図7に示す右側に位置する歯部16の左側の歯側面16aに当接して歯部16を係止し、歯車15の他方向(図6では時計回り方向)への回転を阻止するように形成されている。   Further, as shown in FIGS. 6 and 7, when the operating member 7 is rotated in the other direction (clockwise direction in FIG. 6), the elastic piece 20 has the tip portion 20 b of the elastic piece 20 of the gear 15. By inserting elastically between the tooth parts 16 located on the lower side, the inserted tip part 20b comes into contact with the tooth side surface 16a on the left side of the tooth part 16 located on the right side shown in FIG. 16 is formed so as to prevent the gear 15 from rotating in the other direction (clockwise direction in FIG. 6).

これにより、歯車15と弾性片20とは、操作部材7が一方向(図6では反時計回り方向)に回転した際に、歯車15における歯部16が弾性片20を弾性変形させて順次乗り越えることにより、歯車15および操作部材7を一方向(図6では反時計回り方向)に回転可能にし、また操作部材7が他方向(図6では時計回り方向)に回転された際に、歯車15の歯部16を弾性片20が係止して歯車15および操作部材7の他方向(図6では時計回り方向)への回転を阻止するように構成されている。   Thereby, when the operation member 7 rotates in one direction (counterclockwise direction in FIG. 6), the gear 15 and the elastic piece 20 sequentially get over the elastic piece 20 by elastically deforming the elastic piece 20. Thus, the gear 15 and the operation member 7 can be rotated in one direction (counterclockwise direction in FIG. 6), and when the operation member 7 is rotated in the other direction (clockwise direction in FIG. 6), the gear 15 The tooth piece 16 is locked by the elastic piece 20 to prevent the gear 15 and the operating member 7 from rotating in the other direction (clockwise in FIG. 6).

次に、この腕時計の作用について説明する。
まず、図2および図3に示すように、腕時計ケース1の外部に露出した操作部材7の頭部10を、図6において一方向である反時計回りに回転させると、操作部材7の軸部11の歯車取付部14に取り付けられた歯車15が操作部材7と共に同方向に回転する。このときには、歯車15の下側に位置する歯部16の歯先16bが、図8に示すように、裏蓋3に設けられた弾性片20の先端部20b側を徐々に押し下げて、弾性片20を下側に向けて弾性変形させる。
Next, the operation of this wristwatch will be described.
First, as shown in FIGS. 2 and 3, when the head 10 of the operation member 7 exposed to the outside of the watch case 1 is rotated counterclockwise, which is one direction in FIG. The gear 15 attached to the 11 gear attachments 14 rotates in the same direction together with the operation member 7. At this time, the tooth tip 16b of the tooth portion 16 located on the lower side of the gear 15 gradually pushes down the tip 20b side of the elastic piece 20 provided on the back cover 3 as shown in FIG. 20 is elastically deformed downward.

そして、歯車15の歯部16が弾性片20を乗り越えると、図7および図8に示すように、弾性片20が弾性復帰して弾性片20の先端部20bが次の歯部16間に挿入する。このときに、弾性片20が歯車15にクリック感を付与する。これにより、歯車15の歯部16が弾性片20を順次乗り越えることにより、歯車15および操作部材7がクリック感をもって回転する。   When the tooth portion 16 of the gear 15 gets over the elastic piece 20, the elastic piece 20 is elastically restored and the tip 20 b of the elastic piece 20 is inserted between the next tooth portions 16 as shown in FIGS. 7 and 8. To do. At this time, the elastic piece 20 gives a click feeling to the gear 15. As a result, the tooth portion 16 of the gear 15 sequentially passes over the elastic piece 20, and the gear 15 and the operation member 7 rotate with a click feeling.

このように、歯車15が操作部材7の一方向である反時計回り方向の回転操作に応じて同方向に回転すると、図8に示すように、歯車15の上側に位置する歯部16が回転リング6の歯部6aに噛み合っているので、歯車15の回転に連動して回転リング6が腕時計ケース1の内周面に沿って一方向(図6に示す矢印X方向)に回転する。   Thus, when the gear 15 rotates in the same direction according to the counterclockwise rotation operation that is one direction of the operation member 7, the tooth portion 16 positioned above the gear 15 rotates as shown in FIG. Since it is engaged with the tooth portion 6 a of the ring 6, the rotating ring 6 rotates in one direction (in the direction of arrow X shown in FIG. 6) along the inner peripheral surface of the watch case 1 in conjunction with the rotation of the gear 15.

また、腕時計ケース1の外部に露出した操作部材7の頭部10を、図6および図7において他方向である時計回りに回転させると、操作部材7の軸部11の歯車取付部14に取り付けられた歯車15が操作部材7と共に回転しようとする。しかし、このときには、図7に示すように、歯車15の下側に位置する歯部16間に弾性片20の先端部20bが弾力的に挿入しているので、この挿入した弾性片20の先端部20bが歯部16の歯側面16aに当接して歯部16を係止する。   Further, when the head portion 10 of the operation member 7 exposed to the outside of the watch case 1 is rotated clockwise in the other direction in FIGS. 6 and 7, it is attached to the gear attachment portion 14 of the shaft portion 11 of the operation member 7. The generated gear 15 tries to rotate together with the operation member 7. However, at this time, as shown in FIG. 7, the distal end portion 20b of the elastic piece 20 is elastically inserted between the tooth portions 16 located on the lower side of the gear 15, so that the distal end of the inserted elastic piece 20 The portion 20b abuts on the tooth side surface 16a of the tooth portion 16 to lock the tooth portion 16.

すなわち、弾性片20は、その先端部20bが歯部16の歯側面16aによって時計回り方向に向けて押されると、先端部20bが弾性片20の固定された一端部20aに向けて押されることになる。このときには、弾性片20がその長手方向に沿って圧縮されることになるが、弾性片20は上下方向にほとんど弾性変形することがないので、先端部20bが歯部16間から下側に抜け出すことがない。   That is, when the tip 20b of the elastic piece 20 is pushed in the clockwise direction by the tooth side surface 16a of the tooth portion 16, the tip 20b is pushed toward the one end 20a to which the elastic piece 20 is fixed. become. At this time, the elastic piece 20 is compressed along the longitudinal direction thereof, but the elastic piece 20 hardly elastically deforms in the vertical direction, so that the tip portion 20b is pulled out from between the tooth portions 16 to the lower side. There is nothing.

このため、歯車15は、図7に示すように、その他方向(時計回り方向)への回転が阻止されるので、歯車15および操作部材7の他方向(時計回り方向)への回転が阻止される。これにより、操作部材7は、一方向(反時計回り方向)に回転して、回転リング6を一方向(図6に示す矢印X方向)に回転させるが、他方向(時計回り方向)には回転せず、回転リング6を他方向(図6に示す矢印X方向と反対方向)に回転させないため、回転リング6の回転方向が特定方向つまり一方向(図6に示す矢印X方向)のみに規制される。   Therefore, as shown in FIG. 7, the gear 15 is prevented from rotating in the other direction (clockwise direction), so that the gear 15 and the operation member 7 are prevented from rotating in the other direction (clockwise direction). The Thereby, the operating member 7 rotates in one direction (counterclockwise direction) and rotates the rotating ring 6 in one direction (arrow X direction shown in FIG. 6), but in the other direction (clockwise direction). Since the rotation ring 6 is not rotated and the rotation ring 6 is not rotated in the other direction (the direction opposite to the arrow X direction shown in FIG. 6), the rotation direction of the rotation ring 6 is only a specific direction, that is, one direction (the arrow X direction shown in FIG. 6). Be regulated.

このように、この腕時計によれば、腕時計ケース1の側部にその外部から内部に貫通して設けられた回転操作可能な操作部材7に設けられた歯車15と、腕時計ケース1の下部設けられた裏蓋3に設けられて歯車15に弾接する弾性片20とが、操作部材7を一方向(反時計回り方向)に回転させた際に、歯車15の歯部16によって弾性片20を弾性変形させて操作部材7を回転可能にし、操作部材7を他方向(時計回り方向)に回転させた際に、弾性片20が歯車15の歯部16を係止して操作部材7の回転を阻止するように形成されているので、弾性片20を追加するだけの簡単な構造で、歯車15の回転に連動して回転する回転リング6の回転方向を特定方向に規制することができる。   As described above, according to this wristwatch, the gear 15 provided on the rotatable operation member 7 provided in the side portion of the watch case 1 from the outside to the inside is provided, and the lower portion of the watch case 1 is provided. When the operating member 7 is rotated in one direction (counterclockwise direction) with the elastic piece 20 provided on the back cover 3 and elastically contacting the gear 15, the elastic piece 20 is elasticized by the teeth 16 of the gear 15. When the operating member 7 is rotated by being deformed and the operating member 7 is rotated in the other direction (clockwise direction), the elastic piece 20 engages the tooth portion 16 of the gear 15 to rotate the operating member 7. Since it is formed so as to prevent it, the rotation direction of the rotating ring 6 that rotates in conjunction with the rotation of the gear 15 can be restricted to a specific direction with a simple structure in which the elastic piece 20 is simply added.

この場合、弾性片20は、裏蓋3の上面から歯車15の下側に位置する歯部16に向けて斜め上方に延び、この延びた先端部20bが歯車15における一方向の回転方向である反時計回り方向から歯部16間に弾力的に出没可能に挿入し、この状態で上下方向に弾性変形するように構成されているので、操作部材7を一方向(図6では反時計回り)に回転させた際に、歯車15の各歯部16が順次弾性片20を弾性変形させて乗り越えることにより、クリック感をもって歯車15を操作部材7の回転に応じて回転させることができる。   In this case, the elastic piece 20 extends obliquely upward from the upper surface of the back cover 3 toward the tooth portion 16 positioned on the lower side of the gear 15, and the extended tip end portion 20 b is the one direction of rotation in the gear 15. The operation member 7 is arranged in one direction (counterclockwise in FIG. 6) because it is elastically inserted in the vertical direction in this state so that it can be elastically inserted and retracted between the tooth portions 16 from the counterclockwise direction. When the gears 15 are rotated, the teeth 15 of the gear 15 sequentially elastically deform the elastic pieces 20 to get over the gears 15 so that the gears 15 can be rotated according to the rotation of the operation member 7 with a click feeling.

すなわち、操作部材7を一方向(図6では反時計回り)に回転させると、歯車15の下側に位置する歯部16の歯先16bが弾性片20の先端部20bを徐々に押し下げて弾性変形させることにより、弾性片20の先端部20bを歯部16間から離脱させることができる。このため、歯車15の歯部16は、その一方向への回転に伴って弾性片20を弾性変形させて順次乗り越えることができるので、歯車15が回転可能になり、これにより歯車15および操作部材7を一方向である反時計回りに回転させることができる。   That is, when the operation member 7 is rotated in one direction (counterclockwise in FIG. 6), the tooth tip 16b of the tooth portion 16 located on the lower side of the gear 15 gradually pushes down the tip portion 20b of the elastic piece 20 and is elastic. By deforming, the tip 20b of the elastic piece 20 can be detached from between the teeth 16. For this reason, the tooth portion 16 of the gear 15 can elastically deform the elastic piece 20 as it rotates in one direction, and can sequentially get over, so that the gear 15 can be rotated, thereby the gear 15 and the operation member. 7 can be rotated counterclockwise, which is one direction.

これにより、歯車15の回転に連動させて回転リング6を腕時計ケース1の内周面に沿って一方向(図6に示す矢印X方向)に回転させることができると共に、歯車15の歯部16が弾性片20を弾性変形させて乗り越えた後に、弾性片20が弾性復帰して弾性片20の先端部20bが歯部16間に挿入することにより、弾性片20によって歯車15にクリック感を付与することができる。   As a result, the rotating ring 6 can be rotated in one direction (in the direction of the arrow X shown in FIG. 6) along the inner peripheral surface of the watch case 1 in conjunction with the rotation of the gear 15, and the tooth portion 16 of the gear 15. After elastically deforming and overcoming the elastic piece 20, the elastic piece 20 is elastically restored and the distal end portion 20 b of the elastic piece 20 is inserted between the tooth portions 16, thereby giving the gear 15 a click feeling. can do.

また、操作部材7を他方向(図6では時計回り方向)に回転させた際には、弾性片20の先端部20bが歯車15の下側に位置する歯部16間に弾力的に挿入しているので、この挿入した弾性片20の先端部20bが歯部16の歯側面16aに当接して歯部16を係止することができ、これにより歯車15の他方向への回転を阻止することができる。このため、歯車15および操作部材7の他方向への回転が阻止されるので、回転リング6の他方向(図6に示す矢印X方向と反対方向)への回転を確実に阻止することができる。   Further, when the operating member 7 is rotated in the other direction (clockwise in FIG. 6), the tip 20b of the elastic piece 20 is elastically inserted between the teeth 16 located below the gear 15. Therefore, the distal end portion 20b of the inserted elastic piece 20 can abut against the tooth side surface 16a of the tooth portion 16 to lock the tooth portion 16, thereby preventing the gear 15 from rotating in the other direction. be able to. For this reason, since the gear 15 and the operation member 7 are prevented from rotating in the other direction, the rotation of the rotating ring 6 in the other direction (the direction opposite to the arrow X direction shown in FIG. 6) can be reliably prevented. .

また、この腕時計では、弾性片20が、その一端部20aを裏蓋3に固定し、他端部である先端部20bを歯車15の歯部16間に出没可能に挿入させて歯車15の他方向への回転(つまり図6において時計回りの回転)を阻止するように構成されていることにより、弾性片20の構造が簡単で、裏蓋3に容易に取り付けることができると共に、弾性片20の先端部20bを歯車15の歯部16間に出没可能に確実に且つ良好に挿入させることができる。   Further, in this wristwatch, the elastic piece 20 has one end 20 a fixed to the back cover 3, and the tip end 20 b, which is the other end, is inserted between the tooth portions 16 of the gear 15 so that it can protrude and retract. By being configured to prevent rotation in the direction (that is, clockwise rotation in FIG. 6), the structure of the elastic piece 20 is simple and can be easily attached to the back cover 3, and the elastic piece 20. The tip portion 20b of the gear 15 can be reliably and satisfactorily inserted between the tooth portions 16 of the gear 15 so as to protrude and retract.

この場合、弾性片20は、裏蓋3の内面である上面に設けられた取付溝部19内に一端部20aが配置され、他端部である先端部20bが斜め上方に向けて延びて歯車15の歯部16間に出没可能に挿入する構成であるから、歯車15に対する弾性片20の設置スペースを最小限に抑えることができ、これにより腕時計ケース1全体の薄型化および小型化を図り、腕時計全体の薄型化および小型化を図ることができる。   In this case, the elastic piece 20 has one end portion 20a disposed in the mounting groove portion 19 provided on the upper surface which is the inner surface of the back cover 3, and the tip end portion 20b which is the other end portion extending obliquely upward, so that the gear 15 Therefore, it is possible to minimize the installation space of the elastic piece 20 with respect to the gear 15, thereby reducing the thickness and size of the entire wristwatch case 1. The overall thickness and size can be reduced.

なお、前述した実施形態1では、歯車15と弾性片20とによって操作部材7の回転方向を、反時計回りである一方向に回転可能にし、時計回りである他方向への回転を阻止するように構成した場合について述べたが、これに限らず、操作部材7の回転方向を、時計回りである他方向に回転可能にし、反時計回りである一方向への回転を阻止するように構成しても良い。   In the first embodiment described above, the gear 15 and the elastic piece 20 allow the operation member 7 to rotate in one direction that is counterclockwise, and to prevent rotation in the other direction that is clockwise. However, the present invention is not limited to this, and the rotation direction of the operation member 7 can be rotated in the other direction, which is clockwise, and the rotation in one direction, which is counterclockwise, is prevented. May be.

この場合には、弾性片20を歯車15に対して左右逆向きに配置すれば良い。すなわち、弾性片20は、図6において、その一端部20aを歯車15の右側に固定し、他端部である先端部20bを右側から左側に向けて延ばし、この延び先端部20bを歯車15の下側に位置する歯部16間に挿脱可能に挿入させるように構成すれば良い。このようにすれば、操作部材7の回転方向を、時計回りである他方向に回転可能にし、反時計回りである一方向への回転を阻止することができる。   In this case, the elastic piece 20 may be disposed in the opposite direction with respect to the gear 15. That is, in FIG. 6, the elastic piece 20 has its one end portion 20 a fixed to the right side of the gear 15, and the tip end portion 20 b that is the other end portion extended from the right side to the left side. What is necessary is just to comprise so that it may insert so that insertion or detachment is possible between the tooth parts 16 located in the lower side. In this way, the rotation direction of the operation member 7 can be rotated in the other direction, which is clockwise, and rotation in one direction, which is counterclockwise, can be prevented.

(実施形態2)
次に、図9〜図13を参照して、この発明を適用した腕時計の実施形態2について説明する。なお、図1〜図8に示された実施形態1と同一部分には同一符号を付して説明する。
この腕時計は、弾性片30が実施形態1と異なる構成であり、これ以外は実施形態1と同じ構成になっている。すなわち、この弾性片30は、図9および図11に示すように、板ばね形状に形成されたものであり、実施形態1と同様、歯車15の下側に位置して歯車15の接線方向に沿った状態で、裏蓋3の取付溝部19内に配置されている。
(Embodiment 2)
Next, a second embodiment of the wristwatch to which the present invention is applied will be described with reference to FIGS. In addition, the same code | symbol is attached | subjected and demonstrated to the same part as Embodiment 1 shown by FIGS.
This watch has a configuration in which the elastic piece 30 is different from that of the first embodiment, and the other configuration is the same as that of the first embodiment. That is, the elastic piece 30 is formed in a leaf spring shape as shown in FIGS. 9 and 11, and is located on the lower side of the gear 15 in the tangential direction of the gear 15 as in the first embodiment. In the state along, it is disposed in the mounting groove 19 of the back cover 3.

この場合、弾性片30は、図11に示すように、その一端部30a(図6では左端部)が裏蓋3の取付溝部19内に溶接や溶着などによって固定され、他端部30bが歯車15に向けて斜め上方に延び、この延びた他端部30bと一端部30aとの間にフック部31が上方に突出して形成され、このフック部31が歯車15の下側に位置する歯部16間に出没可能に挿入して弾接するように構成されている。   In this case, as shown in FIG. 11, the elastic piece 30 has one end 30a (left end in FIG. 6) fixed in the mounting groove 19 of the back cover 3 by welding or welding, and the other end 30b is a gear. The hook portion 31 is formed to project upward from the other end portion 30b and the one end portion 30a, and the hook portion 31 is located on the lower side of the gear 15. It is configured so that it can be inserted and retracted between 16 and elastically contacted.

すなわち、この弾性片30は、図11〜図13に示すように、その一端部30aが歯車15の下側に位置する歯部16から左側に離れた位置に固定され、他端部30bが裏蓋3の取付溝部19内から歯車15の下側に位置する歯部16に沿って、その左側から右側に向けて接近しながら斜め上方に延び、この延びた他端部30bと一端部30aとの間に位置するフック部31が歯部16間に向けて山形形状に突出し、この突出したフック部31が歯部16間に挿入して各歯部16の各歯側面16aに弾接するように構成されている。   That is, as shown in FIGS. 11 to 13, the elastic piece 30 is fixed at a position where one end portion 30 a is separated from the tooth portion 16 located on the lower side of the gear 15 to the left side, and the other end portion 30 b is back. Extending obliquely upward while approaching from the left side to the right side from the left side to the right side from the inside of the attachment groove part 19 of the lid 3 along the tooth part 16, the extended other end part 30 b and one end part 30 a The hook portion 31 located between the teeth 16 protrudes in a mountain shape between the teeth 16, and the protruded hook 31 is inserted between the teeth 16 so as to elastically contact the tooth side surfaces 16 a of the teeth 16. It is configured.

これにより、弾性片30は、図11および図13において歯車15が反時計回りに回転する際に、歯車15の下側に位置する歯部16のうち、弾性片30の真上に位置する歯部16の歯先16bによって弾性片30の他端部30b側が徐々に押し下げられて山形形状のフック部31が下側に変位し、このフック部31が歯部16間から下側に離れて歯車15の回転方向に対し相対的に位置がずれると、弾性片30が弾性復帰し、フック部31が次の歯部16間に挿入することにより、歯車15にクリック感を付与するように構成されている。   Accordingly, the elastic piece 30 is a tooth located directly above the elastic piece 30 in the tooth portion 16 located below the gear 15 when the gear 15 rotates counterclockwise in FIGS. 11 and 13. The other end 30b side of the elastic piece 30 is gradually pushed down by the tooth tip 16b of the portion 16 to displace the angled hook portion 31 downward. When the position is relatively shifted with respect to the rotation direction of 15, the elastic piece 30 is elastically restored, and the hook portion 31 is inserted between the next tooth portions 16, thereby giving a click feeling to the gear 15. ing.

すなわち、この弾性片30は、図11〜図13に示すように、操作部材7が一方向(図11では反時計回り方向)に回転した際に、歯車15の下側に位置する歯部16の歯先16bによって、フック部31と共に弾性片30が徐々に押し下げられて弾性変形することにより、フック部31が歯部16間から下側に離脱して回転方向に相対的に位置がずれ、このずれたフック部31が次の歯部16間に位置すると、歯部16がフック部31を乗り越えるので、歯車15を一方向(図11では反時計回り方向)に回転させると共に、歯車15にクリック感を付与するように構成されている。   That is, as shown in FIGS. 11 to 13, the elastic piece 30 has the tooth portion 16 positioned below the gear 15 when the operation member 7 rotates in one direction (counterclockwise in FIG. 11). With the tooth tip 16b, the elastic piece 30 is gradually pushed down and elastically deformed together with the hook portion 31, so that the hook portion 31 is detached downward from between the tooth portions 16 and is relatively displaced in the rotational direction. When the shifted hook portion 31 is positioned between the next tooth portions 16, the tooth portion 16 gets over the hook portion 31, so that the gear 15 is rotated in one direction (counterclockwise in FIG. 11) and the gear 15 is It is configured to give a click feeling.

また、この弾性片30は、図11および図12に示すように、操作部材7が他方向(図11では時計回り方向)に回転された際に、弾性片30のフック部31が歯車15の下側に位置する歯部16間に弾力的に挿入していることにより、この挿入したフック部31が図12に示す右側に位置する歯部16の左側の歯側面16aに当接して歯部16を係止し、歯車15の他方向(図11では時計回り方向)への回転を阻止するように形成されている。   11 and 12, when the operating member 7 is rotated in the other direction (clockwise direction in FIG. 11), the hook portion 31 of the elastic piece 30 By inserting elastically between the tooth parts 16 located on the lower side, the inserted hook part 31 comes into contact with the tooth side surface 16a on the left side of the tooth part 16 located on the right side shown in FIG. 16 is formed so as to prevent the gear 15 from rotating in the other direction (clockwise direction in FIG. 11).

これにより、歯車15と弾性片30とは、操作部材7が一方向(図11では反時計回り方向)に回転した際に、歯車15における歯部16が弾性片30を弾性変形させて順次乗り越えることにより、歯車15および操作部材7を一方向(図11では反時計回り方向)に回転可能にし、また操作部材7が他方向(図11では時計回り方向)に回転された際に、歯車15の歯部16を弾性片30のフック部31が係止して歯車15および操作部材7の他方向(図11では時計回り方向)への回転を阻止するように構成されている。   Thereby, when the operation member 7 rotates in one direction (counterclockwise direction in FIG. 11), the gear portion 15 of the gear 15 and the elastic piece 30 sequentially get over the elastic piece 30 by elastically deforming the elastic piece 30. Thus, the gear 15 and the operation member 7 can be rotated in one direction (counterclockwise in FIG. 11), and when the operation member 7 is rotated in the other direction (clockwise in FIG. 11), the gear 15 The hook portion 31 of the elastic piece 30 is engaged with the tooth portion 16 to prevent the gear 15 and the operation member 7 from rotating in the other direction (clockwise direction in FIG. 11).

次に、この腕時計の作用について説明する。
まず、図9および図10に示すように、腕時計ケース1の外部に露出した操作部材7の頭部10を、図11において一方向である反時計回りに回転させると、操作部材7の軸部11の歯車取付部14に取り付けられた歯車15が操作部材7と共に同方向に回転する。このときには、図13に示すように、歯車15の下側に位置する歯部16の歯先16bが、裏蓋3に設けられた弾性片30の他端部30b側を徐々に押し下げて、弾性片30のフック部31を下側に向けて弾性変位させる。
Next, the operation of this wristwatch will be described.
First, as shown in FIGS. 9 and 10, when the head 10 of the operation member 7 exposed to the outside of the watch case 1 is rotated counterclockwise, which is one direction in FIG. The gear 15 attached to the 11 gear attachments 14 rotates in the same direction together with the operation member 7. At this time, as shown in FIG. 13, the tooth tip 16b of the tooth portion 16 located on the lower side of the gear 15 gradually pushes down the other end portion 30b side of the elastic piece 30 provided on the back cover 3, thereby The hook portion 31 of the piece 30 is elastically displaced downward.

そして、歯車15の歯部16が弾性片30を乗り越えると、図12および図13に示すように、弾性片30が弾性復帰して弾性片30のフック部31が次の歯部16間に挿入する。このときに、弾性片30が歯車15にクリック感を付与する。これにより、歯車15の歯部16が弾性片30のフック部31を順次乗り越えることにより、歯車15および操作部材7がクリック感をもって回転する。   Then, when the tooth portion 16 of the gear 15 gets over the elastic piece 30, the elastic piece 30 is elastically restored and the hook portion 31 of the elastic piece 30 is inserted between the next tooth portions 16 as shown in FIGS. 12 and 13. To do. At this time, the elastic piece 30 gives a click feeling to the gear 15. Thereby, the gear portion 15 and the operation member 7 rotate with a click feeling as the tooth portion 16 of the gear 15 sequentially passes over the hook portion 31 of the elastic piece 30.

このように、歯車15が操作部材7の一方向である反時計回りの回転操作に応じて同方向に回転すると、図13に示すように、歯車15の上側に位置する歯部16が回転リング6の歯部6aに噛み合っているので、実施形態1と同様、歯車15の回転に連動して回転リング6が腕時計ケース1の内周面に沿って一方向(図11に示す矢印X方向)に回転する。   Thus, when the gear 15 rotates in the same direction in response to a counterclockwise rotation operation that is one direction of the operation member 7, the tooth portion 16 positioned on the upper side of the gear 15 rotates as shown in FIG. 6 is meshed with the tooth portion 6a, the rotation ring 6 moves in one direction along the inner peripheral surface of the watch case 1 in conjunction with the rotation of the gear 15 (in the direction of arrow X shown in FIG. 11). Rotate to.

また、腕時計ケース1の外部に露出した操作部材7の頭部10を、図11および図12において他方向である時計回りに回転させると、操作部材7の軸部11の歯車取付部14に取り付けられた歯車15が操作部材7と共に回転しようとする。しかし、このときには、図12に示すように、歯車15の下側に位置する歯部16間に弾性片30のフック部31が弾力的に挿入しているので、この挿入した弾性片30のフック部31が歯部16の歯側面16aに当接して歯部16を係止する。   Further, when the head portion 10 of the operation member 7 exposed to the outside of the watch case 1 is rotated in the clockwise direction, which is the other direction in FIGS. 11 and 12, the head member 10 is attached to the gear attachment portion 14 of the shaft portion 11 of the operation member 7. The generated gear 15 tries to rotate together with the operation member 7. However, at this time, as shown in FIG. 12, since the hook portion 31 of the elastic piece 30 is elastically inserted between the tooth portions 16 located on the lower side of the gear 15, the hook of the inserted elastic piece 30 is inserted. The portion 31 abuts on the tooth side surface 16 a of the tooth portion 16 to lock the tooth portion 16.

すなわち、弾性片30は、そのフック部31が歯部16の歯側面16aによって時計回り方向に向けて押されると、フック部31が弾性片30の固定された一端部30aに向けて押されることになる。このときには、弾性片30がその長手方向に沿って圧縮されることになるが、弾性片30は上下方向にほとんど弾性変形することがないので、フック部31が歯部16間から下側に抜け出すことがない。   That is, when the hook portion 31 is pushed in the clockwise direction by the tooth side surface 16 a of the tooth portion 16, the elastic piece 30 is pushed toward the one end portion 30 a to which the elastic piece 30 is fixed. become. At this time, the elastic piece 30 is compressed along its longitudinal direction. However, since the elastic piece 30 hardly elastically deforms in the vertical direction, the hook part 31 is pulled out from between the tooth parts 16 downward. There is nothing.

このため、歯車15は、図12に示すように、その他方向(時計回り方向)への回転が阻止されるので、歯車15および操作部材7の他方向(時計回り方向)への回転が阻止される。これにより、操作部材7は、一方向(反時計回り方向)に回転して、回転リング6を一方向(図11に示す矢印X方向)に回転させるが、他方向(時計回り方向)には回転せず、回転リング6を他方向(図11に示す矢印X方向と反対方向)に回転させないため、回転リング6の回転方向が特定方向つまり一方向(図11に示す矢印X方向)のみに規制される。   For this reason, as shown in FIG. 12, the gear 15 is prevented from rotating in the other direction (clockwise direction), so that the gear 15 and the operation member 7 are prevented from rotating in the other direction (clockwise direction). The As a result, the operating member 7 rotates in one direction (counterclockwise direction) and rotates the rotating ring 6 in one direction (arrow X direction shown in FIG. 11), but in the other direction (clockwise direction). Since the rotation ring 6 is not rotated and the rotation ring 6 is not rotated in the other direction (the direction opposite to the arrow X direction shown in FIG. 11), the rotation direction of the rotation ring 6 is only a specific direction, that is, one direction (the arrow X direction shown in FIG. 11). Be regulated.

このように、この腕時計によれば、腕時計ケース1の側部にその外部から内部に貫通して設けられた回転操作可能な操作部材7に設けられた歯車15と、腕時計ケース1の下部設けられた裏蓋3に設けられて歯車15に弾接する弾性片30とが、操作部材7を一方向(反時計回り方向)に回転させた際に、歯車15の歯部16によって弾性片30を弾性変形させて操作部材7を回転可能にし、操作部材7を他方向(時計回り方向)に回転させた際に、弾性片30が歯車15の歯部16を係止して操作部材7の回転を阻止するように形成されているので、実施形態1と同様、弾性片30を追加するだけの簡単な構造で、歯車15の回転に連動して回転する回転リング6の回転方向を特定方向に規制することができる。   As described above, according to this wristwatch, the gear 15 provided on the rotatable operation member 7 provided in the side portion of the watch case 1 from the outside to the inside is provided, and the lower portion of the watch case 1 is provided. When the operating member 7 is rotated in one direction (counterclockwise direction) with the elastic piece 30 provided on the back cover 3 and elastically contacting the gear 15, the elastic piece 30 is elasticized by the teeth 16 of the gear 15. When the operating member 7 is rotated by being deformed and the operating member 7 is rotated in the other direction (clockwise direction), the elastic piece 30 engages the tooth portion 16 of the gear 15 to rotate the operating member 7. Since it is formed so as to prevent it, the rotation direction of the rotating ring 6 that rotates in conjunction with the rotation of the gear 15 is restricted to a specific direction with a simple structure just by adding the elastic piece 30 as in the first embodiment. can do.

この場合、弾性片30は、その一端部30aが裏蓋3の上面に固定され、他端部30bが裏蓋3の上面から歯車15に向けて斜め上方に延び、この延びた他端部30bと一端部30aとの間にフック部31が設けられ、このフック部31が歯車15の下側に位置する歯部16間に弾力的に出没可能に挿入し、この状態で上下方向に弾性変形するように構成されているので、操作部材7を一方向(図11では反時計回り)に回転させた際に、歯車15の各歯部16が順次弾性片30を弾性変形させて乗り越えることにより、クリック感をもって歯車15を操作部材7の回転に応じて回転させることができる。   In this case, one end 30a of the elastic piece 30 is fixed to the upper surface of the back cover 3, and the other end 30b extends obliquely upward from the upper surface of the back cover 3 toward the gear 15, and the extended other end 30b. Hook portion 31 is provided between the first end portion 30a and the one end portion 30a. The hook portion 31 is elastically inserted between the tooth portions 16 located on the lower side of the gear 15 and elastically deformed in the vertical direction in this state. Therefore, when the operation member 7 is rotated in one direction (counterclockwise in FIG. 11), each tooth portion 16 of the gear 15 sequentially moves over the elastic piece 30 by elastically deforming the elastic piece 30. The gear 15 can be rotated according to the rotation of the operation member 7 with a click feeling.

すなわち、操作部材7を一方向(図11では反時計回り)に回転させると、歯車15の下側に位置する歯部16が弾性片30を徐々に押し下げて弾性変形させることにより、弾性片30のフック部31を歯部16a間から離脱させることができる。このため、歯車15の歯部16は、その一方向への回転に伴って弾性片30のフック部31を順次乗り越えることができるので、歯車15が回転可能になり、これにより歯車15および操作部材7を一方向である反時計回りに回転させることができる。   That is, when the operation member 7 is rotated in one direction (counterclockwise in FIG. 11), the tooth portion 16 located on the lower side of the gear 15 gradually pushes down the elastic piece 30 and elastically deforms the elastic piece 30. The hook portion 31 can be detached from between the tooth portions 16a. For this reason, since the tooth portion 16 of the gear 15 can sequentially ride over the hook portion 31 of the elastic piece 30 as the gear 16 rotates in one direction, the gear 15 can be rotated, thereby the gear 15 and the operation member. 7 can be rotated counterclockwise, which is one direction.

これにより、歯車15の回転に連動させて回転リング6を腕時計ケース1の内周面に沿って一方向(図11に示す矢印X方向)に回転させることができると共に、歯車15の歯部16が弾性片30を弾性変形させてフック部31を乗り越えた後に、弾性片30が弾性復帰して弾性片30のフック部31が歯部16間に挿入することにより、弾性片30によって歯車15にクリック感を付与することができる。   Accordingly, the rotating ring 6 can be rotated in one direction (in the direction of the arrow X shown in FIG. 11) along the inner peripheral surface of the watch case 1 in conjunction with the rotation of the gear 15, and the tooth portion 16 of the gear 15. After elastically deforming the elastic piece 30 and getting over the hook portion 31, the elastic piece 30 is elastically restored and the hook portion 31 of the elastic piece 30 is inserted between the tooth portions 16. A feeling of clicking can be given.

また、操作部材7を他方向(図11では時計回り方向)に回転させた際には、弾性片30のフック部31が歯車15の下側に位置する歯部16間に弾力的に挿入しているので、この挿入した弾性片30のフック部31が歯部16の歯側面16aに当接して歯部16を係止することができ、これにより歯車15の他方向への回転を阻止することができる。このため、歯車15および操作部材7の他方向への回転が阻止されるので、回転リング6の他方向(図11に示す矢印X方向と反対方向)への回転を確実に阻止することができる。   Further, when the operation member 7 is rotated in the other direction (clockwise in FIG. 11), the hook portion 31 of the elastic piece 30 is elastically inserted between the tooth portions 16 positioned below the gear 15. Therefore, the hook portion 31 of the inserted elastic piece 30 can contact the tooth side surface 16a of the tooth portion 16 to lock the tooth portion 16, thereby preventing the gear 15 from rotating in the other direction. be able to. For this reason, since the gear 15 and the operation member 7 are prevented from rotating in the other direction, the rotation of the rotating ring 6 in the other direction (the direction opposite to the arrow X direction shown in FIG. 11) can be reliably prevented. .

また、この腕時計では、弾性片30が、その一端部30aを裏蓋3に固定し、他端部30bが歯車15に向けて斜め上方に延び、この延びた他端部30bと一端部30aとの間に設けられたフック部31が歯車15の歯部16間に出没可能に挿入して歯車15の他方向への回転(つまり図11において時計回りの回転)を阻止するように構成されていることにより、実施形態1と同様、弾性片30の構造が簡単で、裏蓋3に容易に取り付けることができると共に、弾性片30のフック部31を歯車15の歯部16間に出没可能に確実に且つ良好に挿入させることができる。   In this wristwatch, the elastic piece 30 has one end 30a fixed to the back cover 3, and the other end 30b extends obliquely upward toward the gear 15, and the other end 30b and one end 30a are extended. A hook portion 31 provided between the gears 15 is inserted between the tooth portions 16 of the gear 15 so as to protrude and retract to prevent the gear 15 from rotating in the other direction (that is, clockwise rotation in FIG. 11). As in the first embodiment, the structure of the elastic piece 30 is simple and can be easily attached to the back cover 3, and the hook portion 31 of the elastic piece 30 can be projected and retracted between the tooth portions 16 of the gear 15. It can be inserted reliably and satisfactorily.

この場合、弾性片30は、裏蓋3の内面である上面に設けられた取付溝部19内に一端部30aが配置され、他端部30bが斜め上方に向けて延び、一端部30aと他端部30bとの中間部に設けられたフック部31が歯車15の歯部16間に出没可能に挿入する構成であるから、実施形態1と同様、歯車15に対する弾性片30の設置スペースを最小限に抑えることができ、これにより腕時計ケース1全体の薄型化および小型化を図り、腕時計全体の薄型化および小型化を図ることができる。   In this case, the elastic piece 30 has one end 30a disposed in the mounting groove 19 provided on the upper surface, which is the inner surface of the back cover 3, and the other end 30b extending obliquely upward, and the one end 30a and the other end Since the hook part 31 provided in the intermediate part with the part 30b is configured to be inserted and retracted between the tooth parts 16 of the gear 15, the installation space of the elastic piece 30 with respect to the gear 15 is minimized as in the first embodiment. Accordingly, the entire wristwatch case 1 can be made thinner and smaller, and the entire wristwatch can be made thinner and smaller.

なお、前述した実施形態2では、歯車15と弾性片30とによって操作部材7の回転方向を、反時計回りである一方向に回転可能にし、時計回りである他方向への回転を阻止するように構成した場合について述べたが、これに限らず、操作部材7の回転方向を、時計回りである他方向に回転可能にし、反時計回りである一方向への回転を阻止するように構成しても良い。   In the second embodiment described above, the gear 15 and the elastic piece 30 allow the operation member 7 to rotate in one direction that is counterclockwise, and to prevent rotation in the other direction that is clockwise. However, the present invention is not limited to this, and the rotation direction of the operation member 7 can be rotated in the other direction, which is clockwise, and the rotation in one direction, which is counterclockwise, is prevented. May be.

この場合にも、弾性片30を歯車15に対して左右逆向きに配置すれば良い。すなわち、弾性片30は、図11において、その一端部30aを歯車15の右側に固定し、他端部30bを右側から左側に向けて延ばし、この延び他端部30bと一端部30aとの間にフック部31を設け、このフック部31を歯車15の下側に位置する歯部16間に挿脱可能に挿入させるように構成すれば良い。このようにすれば、操作部材7の回転方向を、時計回りである他方向に回転可能にし、反時計回りである一方向への回転を阻止することができる。   In this case as well, the elastic piece 30 may be disposed in the opposite direction with respect to the gear 15. That is, in FIG. 11, the elastic piece 30 has its one end portion 30a fixed to the right side of the gear 15 and the other end portion 30b extending from the right side to the left side, and between the extended other end portion 30b and the one end portion 30a. The hook portion 31 may be provided in such a manner that the hook portion 31 is removably inserted between the tooth portions 16 located on the lower side of the gear 15. In this way, the rotation direction of the operation member 7 can be rotated in the other direction, which is clockwise, and rotation in one direction, which is counterclockwise, can be prevented.

また、前述した実施形態1、2およびその各変形例では、腕時計ケース1の3時側に位置する側部に操作部材7が設けられている場合について述べたが、これに限らず、例えば2時側、4時側、8時側、9時側、10時側などのいずかの箇所に操作部材7が設けられている構成であっても良い。   In the above-described first and second embodiments and the modifications thereof, the case where the operation member 7 is provided on the side portion of the wristwatch case 1 located on the 3 o'clock side is described. A configuration in which the operation member 7 is provided at any position such as the hour side, the 4 o'clock side, the 8 o'clock side, the 9 o'clock side, and the 10 o'clock side may be employed.

1 腕時計ケース
1a 貫通孔
3 裏蓋
4 時計モジュール
6 回転リング
6a 回転リングの歯部
7 操作部材
10 頭部
11 軸部
14 歯車取付部
15 歯車
16 歯部
16a 歯側面
16b 歯先
18 歯車の軸孔
19 取付溝部
20、30 弾性片
20a、30a 弾性片の一端部
20b 弾性片の先端部
30b 弾性片の他端部
31 フック部
DESCRIPTION OF SYMBOLS 1 Watch case 1a Through-hole 3 Back cover 4 Clock module 6 Rotating ring 6a Tooth part of rotating ring 7 Operation member 10 Head part 11 Shaft part 14 Gear mounting part 15 Gear 16 Tooth part 16a Tooth side face 16b Tooth tip 18 Shaft hole of gear DESCRIPTION OF SYMBOLS 19 Mounting groove part 20, 30 Elastic piece 20a, 30a One end part of an elastic piece 20b The front-end | tip part of an elastic piece 30b The other end part of an elastic piece 31 Hook part

Claims (3)

時計モジュールを収容する腕時計ケースと、
この腕時計ケースの下側に取り付けられた裏蓋と、
前記腕時計ケースの側部にその外部から内部に貫通して設けられた回転操作可能な操作部材と、
前記腕時計ケース内に位置する前記操作部材の内端部側に設けられて前記操作部材と共に一体的に回転する歯車と、
前記腕時計ケース内にその内周面に沿って回転可能に設けられ、且つ前記操作部材の回転操作に伴う前記歯車の回転に連動して回転する回転リングと、
前記裏蓋に固定されて前記歯車の歯部に弾接する弾性片とを備え、
前記歯車と前記弾性片とは、前記操作部材が一方向に回転した際に前記歯車の前記歯部によって前記弾性片が弾性変形して前記操作部材を回転可能とし、前記操作部材が他方向に回転された際に前記弾性片が前記歯車の前記歯部を係止して前記操作部材の回転を阻止するように形成されていることを特徴とする腕時計。
A watch case housing the watch module;
A back cover attached to the underside of this watch case,
An operation member capable of rotating operation provided on the side of the watch case penetrating from the outside to the inside,
A gear provided on the inner end side of the operation member located in the watch case and rotating integrally with the operation member;
A rotating ring provided in the watch case so as to be rotatable along an inner peripheral surface thereof, and rotating in conjunction with rotation of the gear according to a rotation operation of the operation member;
An elastic piece fixed to the back cover and elastically contacting the gear teeth;
The gear and the elastic piece are configured such that when the operating member rotates in one direction, the elastic piece is elastically deformed by the tooth portion of the gear and the operating member can be rotated, and the operating member is rotated in the other direction. A wristwatch characterized in that, when rotated, the elastic piece engages the tooth portion of the gear to prevent the operation member from rotating.
前記弾性片は、その一端部が前記裏蓋に固定され、他端部が前記歯車の前記歯部間に出没可能に挿入して前記歯車の前記他方向への回転を阻止することを特徴とする請求項1に記載の腕時計。   One end of the elastic piece is fixed to the back cover, and the other end is inserted so as to be able to protrude and retract between the teeth of the gear to prevent the gear from rotating in the other direction. The wristwatch according to claim 1. 前記弾性片は、その一端部が前記裏蓋に固定され、この一端部と他端部との間にフック部が設けられ、このフック部が前記歯車の前記歯部間に出没可能に挿入して前記歯車の前記他方向への回転を阻止することを特徴とする請求項1に記載の腕時計。


One end portion of the elastic piece is fixed to the back cover, and a hook portion is provided between the one end portion and the other end portion, and the hook portion is inserted between the tooth portions of the gear so as to protrude and retract. The wristwatch according to claim 1, wherein rotation of the gear in the other direction is prevented.


JP2010195961A 2010-09-01 2010-09-01 Wrist watch Pending JP2012052919A (en)

Priority Applications (1)

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JP2010195961A JP2012052919A (en) 2010-09-01 2010-09-01 Wrist watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010195961A JP2012052919A (en) 2010-09-01 2010-09-01 Wrist watch

Publications (1)

Publication Number Publication Date
JP2012052919A true JP2012052919A (en) 2012-03-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115373249A (en) * 2021-05-18 2022-11-22 精工爱普生株式会社 Clock (watch)
KR102701303B1 (en) * 2022-10-04 2024-08-29 김영덕 Smartwatch wear gear with friction driven crown

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115373249A (en) * 2021-05-18 2022-11-22 精工爱普生株式会社 Clock (watch)
CN115373249B (en) * 2021-05-18 2023-12-22 精工爱普生株式会社 Clock and watch
KR102701303B1 (en) * 2022-10-04 2024-08-29 김영덕 Smartwatch wear gear with friction driven crown

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