JP2020120787A - Connecting band - Google Patents
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Abstract
Description
本発明は、連結バンドに関する。 The present invention relates to connecting bands.
腕時計を腕に装着するためのバンドとして、複数の駒体を長手方向に連結した連結バンドがある。このような連結バンドは、長手方向に隣接する2つの駒体にそれぞれ形成された、駒体の幅方向に延びた連結孔に、共通の連結ピンを通すことで連結されている。 As a band for mounting the wristwatch on the wrist, there is a connecting band in which a plurality of pieces are connected in the longitudinal direction. Such a connecting band is connected by passing a common connecting pin through a connecting hole formed in each of two pieces adjacent to each other in the longitudinal direction and extending in the width direction of the piece.
ここで、駒体の幅方向の両端に配置された外駒の端面(連結バンドの側面)には、連結孔が露出しているため、外観品質(見栄え)を向上することが求められている。 Here, since the connecting holes are exposed at the end surfaces (side surfaces of the connecting band) of the outer pieces arranged at both ends in the width direction of the piece body, it is required to improve the appearance quality (look).
そこで、連結孔に連結ピンを圧入した後に、外駒の端面を連結ピンごと研磨し、その後さらにヘアライン加工を施したり、メッキを施したりして、連結孔と連結ピンとの境界を目立たなくすることが行なわれている。 Therefore, it is possible to make the boundary between the connecting hole and the connecting pin inconspicuous by press-fitting the connecting pin into the connecting hole, polishing the end face of the outer piece together with the connecting pin, and then further performing hairline processing or plating. Has been done.
また、駒体の幅方向の両外側に、外駒の端面を覆うカバーを取り付けた連結バンドも知られている(例えば、特許文献1参照)。この連結バンドのカバーは、駒体の連結孔に緩く通された連結ピンの脱落を阻止する目的で、連結ピンが緩く挿入された連結孔の両端を塞ぐ位置に配置され、カバーは、ねじによって外駒の端面に締結されている。 Further, there is also known a connecting band in which a cover for covering the end surface of the outer piece is attached to both outer sides in the width direction of the piece body (for example, refer to Patent Document 1). The cover of the connecting band is arranged at a position to close both ends of the connecting hole into which the connecting pin is loosely inserted, in order to prevent the connecting pin loosely inserted into the connecting hole of the piece from falling off. It is fastened to the end surface of the outer piece.
しかし、連結バンドとして駒体を連結した後に研磨等の機械加工等を行った場合、その機械加工等によって生じた研磨粉等が連結孔と連結ピンとの間の微小な隙間に侵入し、その後に洗浄しても、限られた製造のサイクルタイム内で研磨粉等を完全に除去するのは困難である。 However, when mechanical processing such as polishing is performed after connecting the pieces as the connecting band, the abrasive powder generated by the mechanical processing enters the minute gap between the connecting hole and the connecting pin, and then Even after cleaning, it is difficult to completely remove the polishing powder and the like within the limited manufacturing cycle time.
また、外駒の外側をカバーで覆うものは、連結バンドとして組み立て後に機械加工を行う必要が無いため、上述した研磨粉等の残留の問題は無いが、カバーを外駒に固定するためのねじ穴を、駒に新たに形成する必要があるとともに、ねじを締め付けてカバーを固定するための締結作業の工数がかかるという問題がある。また、固定用のねじがカバーの外面に現れ、外観品質面で難がある。 In addition, the one that covers the outside of the outer piece with a cover does not require machining after assembly as a connecting band, so there is no problem of the above-mentioned polishing powder remaining, but there is a screw hole for fixing the cover to the outer piece. However, there is a problem in that it is necessary to newly form the bridge, and it takes a lot of man-hours for fastening work to fasten the screw to fix the cover. Further, a fixing screw appears on the outer surface of the cover, which causes a problem in appearance quality.
なお、連結孔には、駒体同士を連結する連結ピンが通される孔だけでなく、駒体が複数の駒を連結ピンで連結したものであるとき、すなわち、幅方向の両端に配置された2つの外駒と、両外駒の間に配置された1つ以上の中駒とが連結ピンで連結されて構成されているときの、外駒と中駒とを連結する連結ピンが通される孔も含まれる。 The connecting hole is not limited to the hole through which the connecting pin that connects the pieces is inserted, but is also arranged at both ends in the width direction when the piece is formed by connecting a plurality of pieces with the connecting pin. When two outer pieces and one or more middle pieces arranged between the two outer pieces are connected by connecting pins, a connecting pin that connects the outer piece and the middle piece is inserted. Hole is also included.
本発明は上記事情に鑑みなされたものであって、連結バンドとして組み立て後に研磨等の機械加工を行わず、かつ、駒にねじ穴を新たに設けることなく、外観品質を向上させることができる連結バンドを提供することを目的とする。 The present invention has been made in view of the above circumstances, and it is possible to improve the appearance quality without performing mechanical processing such as polishing after assembling a connecting band and newly providing a screw hole in a piece. Intended to provide a band.
本発明は、連結バンドの幅方向に延びた連結孔が形成された複数の駒体と、前記複数の駒体の前記連結孔に共通して通された連結ピンと、前記複数の駒体のうち前記幅方向の両端に配置された外駒の、前記幅方向の外側に設けられた、前記外駒の前記幅方向の外側の端面の少なくとも一部を覆う覆い部、及び前記外駒の前記連結孔に通された突起を有する端面キャップと、を備えた連結バンドである。 The present invention provides a plurality of bridge bodies having connection holes extending in the width direction of a connection band, a connection pin commonly passed through the connection holes of the plurality of bridge bodies, and a plurality of the bridge bodies. Outer pieces arranged at both ends in the width direction, which are provided on the outer side in the width direction and which cover at least a part of the outer end surfaces in the width direction of the outer piece, and the connecting holes of the outer pieces. And an end cap having a protrusion formed thereon.
本発明に係る連結バンドによれば、連結バンドとして組み立て後に研磨等の機械加工を行わず、かつ、駒にねじ穴を新たに設けることなく、外観品質を向上させることができる。 According to the connecting band of the present invention, appearance quality can be improved without performing machining such as polishing after assembling the connecting band, and without newly providing a screw hole in the bridge.
以下、本発明に係る連結バンドの実施形態について、図面を用いて説明する。 Hereinafter, embodiments of the connecting band according to the present invention will be described with reference to the drawings.
<構成>
図1は本発明に係る連結バンドの一例である腕時計用の連結バンド100をおもて面側から見た平面図、図2は図1に示した連結バンド100の構成単位である駒体10及び端面キャップ51,52を分解して示した分解斜視図である。
<Structure>
FIG. 1 is a plan view of a connecting band 100 for a wristwatch, which is an example of a connecting band according to the present invention, viewed from the front side, and FIG. 2 is a piece 10 which is a structural unit of the connecting band 100 shown in FIG. FIG. 5 is an exploded perspective view showing the end caps 51 and 52 in an exploded manner.
なお、図1においては、連結バンドの100の構成単位である1つの駒体10及びひと組の端面キャップ51,52を実線で示し、他の駒体10及び端面キャップ51,52を二点鎖線で示しているが、これは、理解の容易化のためである。また、図3は図2における2本の連結孔22b,22cを含む面による断面を示す断面図である。 In FIG. 1, one piece body 10 and a set of end face caps 51 and 52, which are 100 constituent units of the connecting band, are indicated by solid lines, and the other piece body 10 and end face caps 51 and 52 are indicated by alternate long and two short dashes lines. This is for easier understanding. 3 is a sectional view showing a section taken along a plane including the two connecting holes 22b and 22c in FIG.
図示の連結バンド100は、複数の駒体10が、連結バンドの長さ方向Lに沿って配置されている。連結バンド100の構成単位である駒体10は、図2に示すように、連結バンド100の幅方向W(長さ方向Lに直交する方向)の両端に配置される2つの外駒21,22と、両外駒21,22の間に配置される1つの中駒30とが、連結ピン40で連結されて一体に構成されている。 In the illustrated connecting band 100, a plurality of pieces 10 are arranged along the length direction L of the connecting band. As shown in FIG. 2, the piece 10 which is a structural unit of the connecting band 100 has two outer pieces 21, 22 arranged at both ends in the width direction W (direction orthogonal to the length direction L) of the connecting band 100. And one middle piece 30 arranged between the outer pieces 21 and 22 are connected by a connecting pin 40 to be integrally formed.
2つの外駒21,22の間にはブリッジ部23が配置されていて、2つの外駒21,22はブリッジ部23を介してH字状に一体に繋がっている。ブリッジ部23の幅は、中駒30の幅よりも僅かに広く形成されている。このように、両端の2つの外駒21,22がブリッジ部23によって一体に構成されたものを、以下、単に外駒20ということがある。 A bridge portion 23 is arranged between the two outer pieces 21 and 22, and the two outer pieces 21 and 22 are integrally connected in an H-shape via the bridge portion 23. The width of the bridge portion 23 is formed slightly wider than the width of the middle piece 30. The one in which the two outer pieces 21, 22 at both ends are integrally formed by the bridge portion 23 as described above may be hereinafter simply referred to as the outer piece 20.
外駒21には、長さ方向Lの両端近くにそれぞれ、幅方向Wに延びて貫通した連結孔21b,21cが形成されている。ブリッジ部23は、両連結孔21b,21cの間で、外駒21に繋がっている。 The outer piece 21 is formed with connecting holes 21b and 21c near both ends in the length direction L and extending in the width direction W and penetrating therethrough. The bridge portion 23 is connected to the outer piece 21 between the connecting holes 21b and 21c.
外駒22にも、長さ方向Lの両端近くにそれぞれ、幅方向Wに延びて貫通した連結孔22b,22cが形成されている。ブリッジ部23は、両連結孔22b,22cの間で、外駒22に繋がっている。 The outer piece 22 is also formed with connecting holes 22b and 22c near both ends in the length direction L and extending in the width direction W and penetrating therethrough. The bridge portion 23 is connected to the outer piece 22 between the connecting holes 22b and 22c.
ブリッジ部23によって一体化されている状態の外駒20は、連結孔21bと連結孔22bとが一直線上に配置され、連結孔21cと連結孔22cとが一直線上に配置されている。 In the outer piece 20 integrated with the bridge portion 23, the connecting hole 21b and the connecting hole 22b are arranged in a straight line, and the connecting hole 21c and the connecting hole 22c are arranged in a straight line.
中駒30は、長さ方向Lの一方の端部近くに、幅方向Wに延びた溝30aが形成されている。また、中駒30には、長さ方向Lの他方の端部近くと、長さ方向Lの中間近く(溝30aよりも他方の端部側)にそれぞれ、幅方向Wに延びて貫通した連結孔30b,30cが形成されている。 In the middle piece 30, a groove 30a extending in the width direction W is formed near one end in the length direction L. Further, the middle piece 30 has a connection extending in the width direction W near the other end in the length direction L and near the middle of the length direction L (on the other end side of the groove 30a). Holes 30b and 30c are formed.
そして、図3に示すように、溝30aには、外駒20のブリッジ部23が嵌め合わされ、この嵌め合わされた状態で、連結孔21c,22cと連結孔30cとが一直線上に配置される。一直線上に配置された連結孔21c,30c,22cに対して、共通する1本の連結ピン40が緩く通されて、外駒20と中駒30とが一体となった駒体10が構成される。 Then, as shown in FIG. 3, the bridge portion 23 of the outer piece 20 is fitted into the groove 30a, and in this fitted state, the connecting holes 21c and 22c and the connecting hole 30c are arranged in a straight line. One common connecting pin 40 is loosely passed through the connecting holes 21c, 30c, 22c arranged in a straight line to form the piece body 10 in which the outer piece 20 and the middle piece 30 are integrated. It
なお、連結ピン40は、中駒30の幅よりも長く、かつ外駒20の幅よりも短い長さに形成されている。したがって、図3に示すように、連結ピン40が外駒20と中駒30とを連結した状態では、連結ピン40の両端は、外駒21,22の幅方向Wの外側の面(外駒20の両端面)21a,22aに達しない。 The connecting pin 40 is formed to be longer than the width of the middle piece 30 and shorter than the width of the outer piece 20. Therefore, as shown in FIG. 3, in a state where the connecting pin 40 connects the outer piece 20 and the middle piece 30, both ends of the connecting pin 40 have outer surfaces in the width direction W of the outer pieces 21 and 22 (outer piece). It does not reach both end surfaces of 20) 21a and 22a.
また、駒体10を構成している外駒20と中駒30とは、連結ピン40とブリッジ部23との2か所で係合しているため、相対的な回転はしない。 Further, since the outer piece 20 and the middle piece 30 that form the piece body 10 are engaged with each other at two points of the connecting pin 40 and the bridge portion 23, they do not rotate relative to each other.
図3に示した状態で、中駒30の連結孔30bは、長さ方向Lに連結される他の駒体10の外駒21の連結孔21b及び外駒22の連結孔22bと一直線上に配置され、これら一直線上に配置された連結孔21b,30b,22bに対して、別の共通する1本の連結ピン40が緩く通されることで、駒体10同士が連結される。 In the state shown in FIG. 3, the connecting hole 30b of the middle piece 30 is aligned with the connecting hole 21b of the outer piece 21 and the connecting hole 22b of the outer piece 22 of the other piece body 10 connected in the length direction L. Another common connecting pin 40 is loosely passed through the connecting holes 21b, 30b, 22b arranged on these straight lines, whereby the pieces 10 are connected to each other.
このとき、駒体10同士は、1本の連結ピン40のみで係合しているため、連結ピン40回りに相対的に回転可能となり、連結バンド100は、使用者の手首の太さに応じて屈曲される。 At this time, since the pieces 10 are engaged with each other by only one connecting pin 40, the pieces 10 can relatively rotate around the connecting pin 40, and the connecting band 100 can be adjusted according to the thickness of the user's wrist. Is bent.
また、本実施形態の連結バンド100は、外駒20の、幅方向Wの外側にそれぞれ、端面キャップ51,52を備えている。端面キャップ51は、覆い板51aと突起51d,51eとを有する。 Further, the connecting band 100 of the present embodiment includes end face caps 51 and 52 on the outer side of the outer piece 20 in the width direction W, respectively. The end face cap 51 has a cover plate 51a and protrusions 51d and 51e.
覆い板51aは、外駒21の幅方向Wの外側の面21aと同じ断面輪郭形状(幅方向に直交する断面の外周縁の輪郭形状)で形成されており、覆い部の一例である。覆い板51aの幅方向Wの外側の面51cは、凹凸の無い平坦な面で形成されている。一方、覆い板51aの、外駒21の外側の面21aに対向した内側の面51bも平坦な面であるが、幅方向Wに延びた突起51d,51eが形成されている。 The cover plate 51a is formed in the same cross-sectional contour shape as the outer surface 21a of the outer piece 21 in the width direction W (outer peripheral edge contour shape of the cross section orthogonal to the width direction), and is an example of a cover portion. The outer surface 51c of the cover plate 51a in the width direction W is formed as a flat surface without any unevenness. On the other hand, the inner surface 51b of the cover plate 51a facing the outer surface 21a of the outer piece 21 is also a flat surface, but has projections 51d and 51e extending in the width direction W.
なお、覆い板51aは、外駒21の外側の面21aの全部を覆うものでなくてもよく、面21aの少なくとも一部(連結孔21b,21cを含む範囲)を覆う形状であればよい。 The cover plate 51a does not have to cover the entire outer surface 21a of the outer piece 21, and may have a shape that covers at least a part of the surface 21a (a range including the connecting holes 21b and 21c).
突起51d,51eは、覆い板51aが、外駒21の外側の面21aの全面を過不足なく覆った配置のとき、外駒21の連結孔21b,21cにそれぞれ対応する位置に形成されている。 The protrusions 51d and 51e are formed at positions corresponding to the connecting holes 21b and 21c of the outer piece 21 when the cover plate 51a is arranged so as to cover the entire outer surface 21a of the outer piece 21 without excess or deficiency. ..
突起51d,51eは、連結孔21b,21cに対して締まり嵌めとなる外径で形成されているため、連結孔21b,21cにそれぞれ圧入される。 Since the protrusions 51d and 51e are formed to have an outer diameter that provides an interference fit with the connecting holes 21b and 21c, they are press-fitted into the connecting holes 21b and 21c, respectively.
端面キャップ52も端面キャップ51と同様の構成であり、覆い板52aと突起52d,52eとを有する。 The end cap 52 has the same structure as the end cap 51, and has a cover plate 52a and projections 52d and 52e.
覆い板52aは、外駒22の幅方向Wの外側の面22aと同じ輪郭形状で形成されている。覆い板52aの幅方向Wの外側の面52c及び外駒22の外側の面22aに対向した内側の面52bは凹凸の無い平坦な面であるが、内側の面52bからは、幅方向Wに延びた突起52d,52eが形成されている。 The cover plate 52a is formed in the same contour shape as the outer surface 22a of the outer piece 22 in the width direction W. The outer surface 52c of the cover plate 52a in the width direction W and the inner surface 52b opposed to the outer surface 22a of the outer piece 22 are flat surfaces without unevenness, but from the inner surface 52b in the width direction W. Extended protrusions 52d and 52e are formed.
覆い板52aは、外駒22の外側の面22aの全部を覆うものでなくてもよく、面22aの少なくとも一部(連結孔22b,22cを含む範囲)を覆う形状であればよい。 The cover plate 52a does not have to cover the entire outer surface 22a of the outer piece 22 and may have a shape that covers at least a part of the surface 22a (a range including the connecting holes 22b and 22c).
突起52d,52eは、覆い板52aが、外駒22の外側の面22aの全面を過不足なく覆った配置のとき、外駒22の連結孔22b,22cにそれぞれ対応する位置に形成されている。 The protrusions 52d and 52e are formed at positions corresponding to the connecting holes 22b and 22c of the outer piece 22 when the cover plate 52a is arranged so as to cover the entire outer surface 22a of the outer piece 22 without excess or deficiency. ..
突起52d,52eは、連結孔22b,22cに対して締まり嵌めとなる外径で形成されているため、連結孔22b,22cにそれぞれ圧入される。 Since the protrusions 52d and 52e are formed to have an outer diameter that provides a tight fit with the connecting holes 22b and 22c, they are press-fitted into the connecting holes 22b and 22c, respectively.
なお、図3に示すように、突起51d,51eが連結孔21b,21cにそれぞれ圧入されて、覆い板51aの内側の面51bが外駒21の外側の面21aに略密着し、突起52d,52eが連結孔22b,22cにそれぞれ圧入されて、覆い板52aの内側の面52bが外駒22の外側の面22aに略密着した状態で保持された組み立て状態となる。 As shown in FIG. 3, the protrusions 51d and 51e are press-fitted into the connection holes 21b and 21c, respectively, so that the inner surface 51b of the cover plate 51a substantially comes into close contact with the outer surface 21a of the outer piece 21 and the protrusions 52d and 51e. 52e is press-fitted into the connecting holes 22b and 22c, respectively, so that the inner surface 52b of the cover plate 52a is held in a state in which the inner surface 52b is substantially in close contact with the outer surface 22a of the outer piece 22.
そして、この組み立て状態では、連結孔21b,30b,22bに通された連結ピン40及び連結孔21c,30c,22cに通された連結ピン40は、幅方向Wのいずれか一方の側に偏っても、2つの外駒21,22から抜けることが無いように、連結ピン40の長さ及び突起51d,52d,51e,52eの長さが設定されている。 In this assembled state, the connecting pin 40 passed through the connecting holes 21b, 30b, 22b and the connecting pin 40 passed through the connecting holes 21c, 30c, 22c are biased to either side in the width direction W. Also, the length of the connecting pin 40 and the lengths of the protrusions 51d, 52d, 51e, 52e are set so that they do not come off from the two outer pieces 21, 22.
<作用>
以上のように構成された本実施形態の連結バンド100は、外駒21,22の外側の面21a,22aまで貫通した連結孔21b,21c,22b,22cが、外駒21,22を外側から覆う端面キャップ51,52によって覆われる。これにより、連結バンド100は、連結孔21b,21c,22b,22cが外部に露出することが無い。したがって、連結バンド100は、外観品質を向上させることができる。
<Action>
In the connecting band 100 of the present embodiment configured as described above, the connecting holes 21b, 21c, 22b, 22c penetrating to the outer surfaces 21a, 22a of the outer pieces 21, 22 form the outer pieces 21, 22 from the outside. It is covered by the covering end face caps 51 and 52. Accordingly, in the connecting band 100, the connecting holes 21b, 21c, 22b, 22c are not exposed to the outside. Therefore, the connecting band 100 can improve the appearance quality.
しかも、連結バンド100は、外部に露出するのは、端面キャップ51,52の外側の面51c,52cであり、この面51c,52cには、駒体10に結合するための構造(突起51d,51e,52d,52e)が現れない。したがって、外面に、駒体に結合するための構造であるねじが現れる、先行技術のカバーと比べて外観品質を向上させることができる。 Moreover, the connecting band 100 is exposed to the outside on the outer surfaces 51c, 52c of the end surface caps 51, 52, and the surfaces 51c, 52c have structures (projections 51d, 51e, 52d, 52e) does not appear. Therefore, it is possible to improve the appearance quality as compared with the cover of the prior art in which the screw that is the structure for connecting to the piece appears on the outer surface.
また、この面51c,52cは凹凸の無い平坦な面であるため、連結バンド100はすっきりした印象を与え、高級感を醸し出すことができる。なお、この面51c,52cは平面に限らず凹凸があってもよいし、また、駒体10に結合するための構造が現れてもよいが、そのような構造が現れないことが好ましい。 Further, since the surfaces 51c and 52c are flat surfaces having no unevenness, the connecting band 100 can give a clean impression and a high-class feeling. The surfaces 51c and 52c are not limited to flat surfaces and may have irregularities, and a structure for connecting to the piece 10 may appear, but it is preferable that such a structure does not appear.
また、連結バンド100は、連結バンド100として組み立て後に研磨等の機械加工を行う必要がないため、連結バンド100として組み立て後に、洗浄等を行わなくても研磨粉等が残留することもない。 Further, since the connecting band 100 does not need to be subjected to mechanical processing such as polishing after being assembled as the connecting band 100, polishing powder and the like will not remain even after the assembly as the connecting band 100 without washing.
さらに、連結バンド100は、端面キャップ51,52に形成された突起51d,51e,52d,52eを、既存の連結孔21b,21c,22b,22cに圧入することで、端面キャップ51,52を駒体10に保持することができるため、駒体10に端面キャップ51,52をねじ止めするためのねじ穴を形成したり、ねじ止めする締結作業を行ったりする必要が無く、製造コストを低減することができる。 Further, the connection band 100 is formed by pressing the protrusions 51d, 51e, 52d, 52e formed on the end caps 51, 52 into the existing connection holes 21b, 21c, 22b, 22c to form the end caps 51, 52. Since it can be held on the body 10, it is not necessary to form a screw hole for screwing the end surface caps 51 and 52 on the piece body 10 or to perform a fastening operation for screwing, thereby reducing the manufacturing cost. be able to.
なお、端面キャップ51,52の突起51d,51e,52d,52eと外駒21,22とが金属である場合は、突起51d,51e,52d,52eを連結孔21b,21c,22b,22cに圧入して、端面キャップ51,52を駒体10に保持させるのに代えて、突起51d,51e,52d,52eを連結孔21b,21c,22b,22cに通した状態で、突起51d,51e,52d,52eと外駒21,22とを固相接合により固定して、端面キャップ51,52を駒体10に保持させてもよい。 When the protrusions 51d, 51e, 52d, 52e of the end caps 51, 52 and the outer pieces 21, 22 are made of metal, the protrusions 51d, 51e, 52d, 52e are press-fitted into the connecting holes 21b, 21c, 22b, 22c. Then, instead of holding the end surface caps 51, 52 on the piece body 10, the projections 51d, 51e, 52d, 52e are passed through the connection holes 21b, 21c, 22b, 22c, and the projections 51d, 51e, 52d. , 52e and the outer pieces 21, 22 may be fixed to each other by solid-phase joining to hold the end caps 51, 52 on the piece body 10.
また、突起51d,51e,52d,52eを連結孔21b,21c,22b,22cに圧入するとともに固相接合することで、端面キャップ51,52を駒体10に、より強固に保持させてもよい。 Further, the projections 51d, 51e, 52d, and 52e may be press-fitted into the connection holes 21b, 21c, 22b, and 22c and solid-phase bonded to hold the end face caps 51 and 52 more firmly to the piece 10. ..
また、連結バンド100は、端面キャップ51,52によって、連結孔21b,22bの両端及び連結孔21c,22cの両端が塞がれているため、連結ピン40が連結孔21b,22b,21c,22cに対して緩く形成されていても、連結ピン40が連結孔21b,22b,21c,22cから脱落することが無い。 Further, in the connecting band 100, both ends of the connecting holes 21b and 22b and both ends of the connecting holes 21c and 22c are closed by the end surface caps 51 and 52, so that the connecting pin 40 has the connecting holes 21b, 22b, 21c and 22c. The connecting pin 40 does not drop out of the connecting holes 21b, 22b, 21c, 22c even if it is formed loosely.
したがって、連結ピン40を、従来のようなCリング等を用いた圧入で、連結孔21b,22b,21c,22cに固定しなくても、連結ピン40が連結孔21b,22b,21c,22cから脱落することが無い。これにより、連結ピン40を連結孔21b,22b,21c,22cに配置する作業を自動化し易い。 Therefore, even if the connecting pin 40 is not fixed to the connecting holes 21b, 22b, 21c, 22c by press-fitting using a conventional C-ring or the like, the connecting pin 40 is removed from the connecting holes 21b, 22b, 21c, 22c. It will never fall out. This facilitates automation of the work of disposing the connecting pin 40 in the connecting holes 21b, 22b, 21c, 22c.
なお、連結ピン40を圧入する際は、圧入時の摩擦抵抗を低減するために潤滑剤を用いるが、本実施形態の連結バンド100は、連結ピン40を圧入しないため、潤滑剤を用いる必要もない。ただし、本発明に係る連結バンドは、連結孔に連結ピンを圧入したものであってもよい。 When the connecting pin 40 is press-fitted, a lubricant is used to reduce frictional resistance at the time of press-fitting. However, since the connecting band 100 of the present embodiment does not press-fit the connecting pin 40, it is also necessary to use a lubricant. Absent. However, the connecting band according to the present invention may be one in which a connecting pin is press-fitted into the connecting hole.
また、連結バンド100は、端面キャップ51,52を駒体10と同一色、同一材料で形成してもよいし、端面キャップ51,52を駒体10は別の色に形成したり、別の材料で形成したりしてもよい。 Further, in the connecting band 100, the end caps 51 and 52 may be formed of the same color and the same material as the bridge body 10, or the end caps 51 and 52 may be formed in a different color of the bridge body 10 or a different color. It may be formed of a material.
端面キャップ51,52と駒体10とを同一色で形成したものは、連結バンド100の全体を単一色ですっきりとした印象を与え、端面キャップ51,52と駒体10とを別の色で形成したものは、装飾的な印象を与えることができる。 If the end caps 51, 52 and the piece 10 are formed in the same color, the entire connecting band 100 gives a clean impression with a single color, and the end caps 51, 52 and the piece 10 are formed in different colors. The formed one can give a decorative impression.
また、端面キャップ51,52を駒体10と同一材料(例えばチタン等)で形成したものは、連結バンド100の全体にすっきりとした印象を与え、端面キャップ51,52と駒体10とを別の材料で形成したものは、質感の差で、装飾的な印象を与えることができる。 If the end caps 51, 52 are made of the same material as the piece 10 (for example, titanium), it gives a clean impression to the entire connecting band 100 and separates the end caps 51, 52 from the piece 10. The material formed with the material can give a decorative impression due to the difference in texture.
なお、一般的に連結バンドは、時計のケースに形成されたラグ(連結バンドをケースに取り付ける爪状の部分)に近い部分で、幅方向Wの寸法を大きくしたり小さくしたりすることが行なわれている。この場合、駒体の両外駒の幅を徐々に大きく形状にしたり、徐々に小さくしたりして対応しているのが一般的である。 In general, the connecting band is close to a lug (a claw-shaped portion for attaching the connecting band to the case) formed on the case of the timepiece, and the size in the width direction W is increased or decreased. Has been. In this case, it is general that the widths of both outer pieces of the piece body are gradually increased or decreased to correspond.
これに対して、連結バンド100は、複数の駒体10自体は、ラグに近い部分も含めて一定の幅(同一の幅)で形成し、端面キャップ51,52の幅を徐々に大きく形成したり、徐々に小さくしたりすることで対応することができる。つまり、一部の駒体10に取り付けられた端面キャップ51,52は、幅方向Wの寸法が他の端面キャップ51,52と異なって形成されている。したがって、1つの連結バンド100を形成するために、幅の異なる複数の駒体10を製造する必要が無い。 On the other hand, in the connecting band 100, the plurality of pieces 10 themselves are formed with a constant width (the same width) including the portion close to the lug, and the widths of the end face caps 51 and 52 are gradually increased. It can be dealt with by gradually decreasing or gradually decreasing. That is, the end surface caps 51, 52 attached to some of the pieces 10 are formed so that the dimension in the width direction W is different from that of the other end surface caps 51, 52. Therefore, it is not necessary to manufacture a plurality of pieces 10 having different widths to form one connecting band 100.
この場合、幅の異なる複数の端面キャップ51,52を製造する必要はあるが、幅の異なる複数の駒体10を製造するのに比べて、低コストで製造することができる。 In this case, although it is necessary to manufacture the plurality of end face caps 51 and 52 having different widths, the end caps 51 and 52 can be manufactured at low cost as compared with the case where the plurality of pieces 10 having different widths are manufactured.
しかも、幅の異なる駒体10を製造する場合は、駒体10の幅方向の両側を対称的に形成する必要があるが、精度よく対称的に形成する作業は非常に難しい作業となっている。 Moreover, when manufacturing the pieces 10 having different widths, it is necessary to symmetrically form both sides in the width direction of the pieces 10, but it is very difficult to accurately and symmetrically form the pieces. ..
これに対して、端面キャップ51と端面キャップ52とは別体の部品であるから、単一部品で左右対称に形成するよりも成形が容易である。 On the other hand, since the end cap 51 and the end cap 52 are separate parts, they are easier to mold than a single part that is symmetrically formed.
図4は、端面キャップ52(51)に形成された突起52d(51d),52e(51e)の変形例を示す、外駒22(21)の外側の面22a(21a)での断面を示す断面図である。 FIG. 4 is a cross-sectional view showing a modification of the protrusions 52d (51d) and 52e (51e) formed on the end face cap 52 (51), showing a cross-section taken along the outer surface 22a (21a) of the outer piece 22 (21). It is a figure.
本実施形態の連結バンド100は、端面キャップ52(51)の2つの突起52d,52e(51d,51e)がいずれも、連結孔22b,22c(21b,21c)に圧入される形状に形成されていたが、本発明に係る連結バンドは、この形態に限定されるものではない。 The connecting band 100 of this embodiment is formed in a shape in which the two protrusions 52d, 52e (51d, 51e) of the end surface cap 52 (51) are press-fitted into the connecting holes 22b, 22c (21b, 21c). However, the connecting band according to the present invention is not limited to this form.
すなわち、例えば図4に示すように、端面キャップ52(51)の2つの突起52d,52e(51d,51e)のうち、一方の突起52d(51d)のみが連結孔22b(21b)に圧入される形状に形成され、他方の突起52e(51e)は連結孔22c(21c)に対して締め代のない中間ばめとなる形状であってもよい。 That is, for example, as shown in FIG. 4, of the two protrusions 52d, 52e (51d, 51e) of the end face cap 52 (51), only one protrusion 52d (51d) is press-fitted into the connecting hole 22b (21b). The other protrusion 52e (51e) formed in a shape may be a shape that provides an intermediate fit with no interference with the connecting hole 22c (21c).
要するに、他方の突起52e(51e)は、駒体10に対する端面キャップ52(51)の姿勢を維持する(回り止めとなる)程度の嵌め合い形状であればよく、図4に示した、断面が略矩形の形状でなくてもよい。 In short, the other protrusion 52e (51e) may have a fitting shape such that the posture of the end surface cap 52 (51) with respect to the piece 10 is maintained (a rotation stopper), and the cross section shown in FIG. The shape does not have to be substantially rectangular.
このように、2つの突起52d,52e(51d,51e)を共に圧入する形状とするのではなく、一方の突起52d(51d)のみを圧入する形状とし、他方の突起52e(51e)を圧入しない形状とすることにより、端面キャップ52(51)を駒体10に固定する作業を容易にすることができる。 In this way, the two protrusions 52d, 52e (51d, 51e) are not press-fitted together, but only one protrusion 52d (51d) is press-fitted, and the other protrusion 52e (51e) is not press-fitted. With the shape, the work of fixing the end cap 52 (51) to the piece 10 can be facilitated.
一方、2つの突起52d,52e(51d,51e)を共に圧入する形状としたものでは、一方の突起52d(51d)又は突起52e(51e)のみを圧入した形状としたものよりも、端面キャップ52(51)の駒体10への保持力を大きくすることができる。 On the other hand, in the case where the two projections 52d and 52e (51d, 51e) are press-fitted together, the end surface cap 52 is smaller than in the case where only one projection 52d (51d) or the projection 52e (51e) is press-fitted. The holding force of (51) on the piece body 10 can be increased.
上述した連結バンド100は、端面キャップ51,52の突起51d,51e,52d,52eを外駒21,22の連結孔21b,21c,22b,22cに圧入することにより、端面キャップ51,52を外駒21,22に保持させるが、端面キャップ51,52は外駒21,22から使用者が手動で取り外せないことが好ましい。 The connection band 100 described above is configured such that the protrusions 51d, 51e, 52d, 52e of the end caps 51, 52 are press-fitted into the connection holes 21b, 21c, 22b, 22c of the outer pieces 21, 22 to remove the end caps 51, 52 from each other. Although held by the pieces 21 and 22, it is preferable that the end surface caps 51 and 52 cannot be manually removed by the user from the outer pieces 21 and 22.
しかし、本発明に係る連結バンドは、一部の端面キャップについては、手動で駒体から取り外し可能に固定するものとしてもよい。すなわち、連結バンドは、使用者の手首の長さに応じて長さ調整を行うことが求められており、そのような要望を実現する構造として、連結する駒体の数を調整するのが一般的である。 However, in the connecting band according to the present invention, some end caps may be manually detachably fixed to the piece. That is, the connecting band is required to be adjusted in length according to the length of the user's wrist, and as a structure that realizes such a request, it is common to adjust the number of pieces to be connected. Target.
そこで、一部の駒体については、専門業者に頼ることなく時計を使用する使用者自身で連結及び連結の解除をできるようにしてもよい。具体的には、連結バンド100を構成する複数の駒体10のうち、一部の駒体10については、端面キャップ51,52を駒体10に着脱可能に構成する。 Therefore, with respect to some of the pieces, the user who uses the timepiece may be allowed to connect and disconnect the connection without relying on a specialist. Specifically, of some of the plurality of pieces 10 that form the connecting band 100, the end surface caps 51 and 52 are detachably attached to the pieces 10.
これにより、使用者自身が駒体10から端面キャップ51,52を取り外して、その駒体10を連結バンド100から取り外し又は新たに駒体10を追加して連結し、その後に端面キャップ51,52を取り付けて駒体10に保持させることで、連結バンド100を構成する駒体10の数を増減して長さの調整を行うことができる。 As a result, the user himself removes the end caps 51, 52 from the piece 10, removes the piece 10 from the connecting band 100, or newly adds the piece 10 to connect the end caps 51, 52. By attaching and holding it on the piece body 10, it is possible to adjust the length by increasing or decreasing the number of the piece bodies 10 forming the connecting band 100.
図5は端面キャップ51,52を駒体10(外駒21,22)に対して着脱可能としつつ、端面キャップ51,52を駒体10に保持させる構成の一例として、駒体10の外駒21,22の連結孔21b,21c,22b,22cに、連結孔21b,21c,22b,22cの内径よりも大きな径の溝を形成し、この溝にOリング26をそれぞれ配置した構成の、図3相当の断面図である。 FIG. 5 shows an example of a configuration in which the end caps 51 and 52 are detachably attached to the piece body 10 (outer pieces 21 and 22) while the end surface caps 51 and 52 are held by the piece body 10 as an outer piece. A groove having a diameter larger than the inner diameters of the connecting holes 21b, 21c, 22b, 22c is formed in the connecting holes 21b, 21c, 22b, 22c of 21, 22 and an O-ring 26 is arranged in each groove. 3 is a sectional view corresponding to FIG.
図5に示した連結バンドにおけるOリング26の内径は、連結孔21b,21c,22b,22cの内径よりも小さく形成されていて、端面キャップ51,52の突起51d,51e,52d,52eの外径を、連結孔21b,21c,22b,22cの内径よりも小さく、かつOリング26の内径よりも大きく形成する。 The inner diameter of the O-ring 26 in the connecting band shown in FIG. 5 is formed smaller than the inner diameters of the connecting holes 21b, 21c, 22b, 22c, and the outsides of the protrusions 51d, 51e, 52d, 52e of the end face caps 51, 52. The diameter is smaller than the inner diameters of the connecting holes 21b, 21c, 22b, 22c and larger than the inner diameter of the O-ring 26.
これにより、突起51d,51e,52d,52eは、連結孔21b,21c,22b,22cに対して緩く挿入されるが、Oリング26を通過した状態では、Oリング26の弾性変形によって摩擦抵抗が生じ、端面キャップ51,52を駒体10に取り付けられた状態に保持させることができる。 As a result, the protrusions 51d, 51e, 52d, and 52e are loosely inserted into the connection holes 21b, 21c, 22b, and 22c, but when the O-ring 26 is passed through, the O-ring 26 is elastically deformed to reduce frictional resistance. As a result, the end caps 51 and 52 can be held in the state of being attached to the piece 10.
一方、外駒21,22に取り付けられた状態で保持された端面キャップ51,52を、手指等で掴んで外駒21,22から引き抜く力を作用させると、突起51d,51e,52d,52eはOリング26の弾性変形による摩擦抵抗を受けるが、摩擦抵抗よりも大きな力を作用させることで、外駒21,22から取り外すことができる。 On the other hand, when the end caps 51 and 52 held in the state of being attached to the outer pieces 21 and 22 are grasped with fingers or the like and a force for pulling them out from the outer pieces 21 and 22 is applied, the protrusions 51d, 51e, 52d and 52e are Although it receives frictional resistance due to elastic deformation of the O-ring 26, it can be removed from the outer pieces 21 and 22 by applying a force larger than the frictional resistance.
図6は、外駒22,21が、図5に示したOリング26に代えて弾性材料で形成された保持部材25,24を有するものとした変形例を示す分解斜視図である。図示の外駒22,21は、端面キャップ52,51に向いた面に凹部22d,21dが形成され、この凹部22d,21dに、保持部材25,24が配置されている。 FIG. 6 is an exploded perspective view showing a modified example in which the outer pieces 22 and 21 have holding members 25 and 24 formed of an elastic material instead of the O-ring 26 shown in FIG. The outer pieces 22 and 21 shown in the drawing have recesses 22d and 21d formed on the surfaces facing the end caps 52 and 51, and holding members 25 and 24 are arranged in the recesses 22d and 21d.
保持部材25,24は、シリコーン等の弾性材料により、凹部22d,21dよりも僅かに大きいサイズで形成されていて、凹部22d,21dに嵌め込まれて、外駒22,21に保持されている。 The holding members 25 and 24 are made of an elastic material such as silicone and are formed in a size slightly larger than the recesses 22d and 21d. The holding members 25 and 24 are fitted into the recesses 22d and 21d and are held by the outer pieces 22 and 21.
保持部材25,24は、端面キャップ52,51の突起52d,52e,51d,51eに対応する位置に、突起52d,52e,51d,51eの外径よりも小さい内径の保持孔25b,25c,24b,24cが形成されていて、突起52d,52e,51d,51eは、これらの保持孔25b,25c,24b,24cにきつく挿入されて、前述したOリング26(図5参照)と同様の作用により、端面キャップ52,51は外駒22,21に対して着脱可能に保持される。 The holding members 25, 24 have holding holes 25b, 25c, 24b having inner diameters smaller than the outer diameters of the protrusions 52d, 52e, 51d, 51e at positions corresponding to the protrusions 52d, 52e, 51d, 51e of the end face caps 52, 51. , 24c are formed, and the projections 52d, 52e, 51d, 51e are tightly inserted into these holding holes 25b, 25c, 24b, 24c, and by the same action as the O-ring 26 (see FIG. 5) described above. The end caps 52, 51 are detachably held on the outer pieces 22, 21.
図7は、2つの保持部材片27A,27Bに分割される保持部材27を有する外駒22に端面キャップ52を保持させる構成を示す分解斜視図である。 FIG. 7 is an exploded perspective view showing a structure in which the end piece cap 52 is held by the outer piece 22 having the holding member 27 divided into two holding member pieces 27A and 27B.
図7に示した外駒22は、空洞の内部空間22eに、保持部材27が嵌め込まれたものである。保持部材27は、図示の上下方向に2つに分割される、シリコーン等の弾性材料で形成された保持部材片27Aと保持部材片27Bとで構成されている。2つの保持部材片27A,27Bは図示の矢印方向に密着させることで、端面キャップ52の突起52dが挿入される保持孔27aと突起52eが挿入される保持孔27bが形成される。 The outer piece 22 shown in FIG. 7 has a holding member 27 fitted in a hollow inner space 22e. The holding member 27 is composed of a holding member piece 27A and a holding member piece 27B formed of an elastic material such as silicone and divided into two pieces in the vertical direction in the figure. The two holding member pieces 27A and 27B are brought into close contact with each other in the direction of the arrow shown to form a holding hole 27a into which the protrusion 52d of the end face cap 52 is inserted and a holding hole 27b into which the protrusion 52e is inserted.
端面キャップ52は、突起52d,52eの先端に、突起52d,52eの外径よりも太い太径部52f,52gが形成されている。 The end surface cap 52 has large diameter portions 52f and 52g that are thicker than the outer diameters of the protrusions 52d and 52e at the tips of the protrusions 52d and 52e.
保持孔27aの奥側には、保持孔27aよりも内径の大きい大径孔27cが形成され、保持孔27bの奥側には、保持孔27bよりも内径の大きい大径孔27dが形成されている。保持孔27a,27bの内径は、突起52d,52eの外径より大きいが、太径部52f,52gよりも小さい。大径孔27c,27dの内径は、太径部52f,52gの外径と同じ寸法か又は太径部52f,52gの外径よりも僅かに小さい。 A large diameter hole 27c having an inner diameter larger than that of the holding hole 27a is formed on the inner side of the holding hole 27a, and a larger diameter hole 27d having an inner diameter larger than that of the holding hole 27b is formed on the inner side of the holding hole 27b. There is. The inner diameters of the holding holes 27a and 27b are larger than the outer diameters of the protrusions 52d and 52e, but smaller than the large diameter portions 52f and 52g. The inner diameters of the large diameter holes 27c and 27d are the same as the outer diameters of the large diameter portions 52f and 52g, or slightly smaller than the outer diameters of the large diameter portions 52f and 52g.
保持部材27の内部空間22eに嵌め込まれて、一体の外駒22として形成される。そして、保持孔27a,27bに突起52d,52eが挿入され、太径部52f,52gが大径孔27c,27dに配置された状態で、端面キャップ52は外駒22に密着し、外駒22に保持される。 It is fitted into the internal space 22e of the holding member 27 and is formed as an integral outer piece 22. Then, with the projections 52d and 52e inserted into the holding holes 27a and 27b and the large diameter portions 52f and 52g arranged in the large diameter holes 27c and 27d, the end face cap 52 is in close contact with the outer piece 22 and the outer piece 22. Held in.
この例では、保持部材27がOリング26(図5参照)や保持部材25,24(図6参照)と同様の作用により、端面キャップ52は外駒22に対して着脱可能に保持される。 In this example, the holding member 27 is detachably held to the outer piece 22 by the same action as the O-ring 26 (see FIG. 5) and the holding members 25 and 24 (see FIG. 6).
なお、上述した実施形態の連結バンド100は、駒体10が、2つの外駒21,22をブリッジ部23により、H字状に一体に形成された外駒20を有するものであるが、本発明に係る連結バンドは、2つの外駒がブリッジ部によりH字状に一体に形成されたものに限定されず、2つの外駒が別体に形成されたものであってもよい。 In the connecting band 100 of the above-described embodiment, the piece body 10 has the outer piece 20 in which the two outer pieces 21 and 22 are integrally formed in an H shape by the bridge portion 23. The connecting band according to the invention is not limited to the one in which the two outer pieces are integrally formed in the H shape by the bridge portion, and the two outer pieces may be formed separately.
上述した実施形態の連結バンド100は、本発明に係る連結バンドを腕時計の連結バンドに適用した例であるが、本発明に係る連結バンドは、腕時計の連結バンドに限定されるものではなく、ブレスレット等その他装飾品の連結バンドにも適用することができる。 The connecting band 100 of the above-described embodiment is an example in which the connecting band according to the present invention is applied to the connecting band of a wristwatch, but the connecting band according to the present invention is not limited to the connecting band of a wristwatch, and a bracelet. Etc. It can also be applied to connecting bands for other ornaments.
10 駒体
21,22 外駒
21b,21c,22b,22c,30b,30c 連結孔
23 ブリッジ部
30 中駒
40 連結ピン
51,52 端面キャップ
51a,52a 覆い板(覆い部の一例)
51d,51e,52d,52e 突起
100 連結バンド
L 長さ方向
W 幅方向
10 piece body 21,22 outer piece 21b, 21c, 22b, 22c, 30b, 30c connecting hole 23 bridge part 30 middle piece 40 connecting pin 51, 52 end face caps 51a, 52a cover plate (an example of cover part)
51d, 51e, 52d, 52e Protrusion 100 Connection band L Length direction W Width direction
Claims (6)
前記複数の駒体の前記連結孔に共通して通された連結ピンと、
前記複数の駒体のうち前記幅方向の両端に配置された外駒の、前記幅方向の外側に設けられた、前記外駒の前記幅方向の外側の端面の少なくとも一部を覆う覆い部、及び前記外駒の前記連結孔に通された突起を有する端面キャップと、を備えた連結バンド。 A plurality of pieces formed with connection holes extending in the width direction of the connection band,
A connecting pin that is commonly passed through the connecting holes of the plurality of pieces;
A cover portion that is provided outside the width direction of outer pieces arranged at both ends in the width direction of the plurality of piece bodies and that covers at least a part of an end surface of the outer piece outside the width direction; An end cap having a projection that is passed through the connecting hole of the outer piece, and a connecting band.
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JP2023148882A JP2023160997A (en) | 2019-01-29 | 2023-09-14 | connecting band |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5518381U (en) * | 1978-07-26 | 1980-02-05 | ||
JPH0271316U (en) * | 1988-11-18 | 1990-05-30 | ||
JP2000135105A (en) * | 1998-10-30 | 2000-05-16 | Seiko Corp | Production of band for wristwatch |
WO2015079859A1 (en) * | 2013-11-28 | 2015-06-04 | 並木精密宝石株式会社 | Wristwatch band and manufacturing method therefor |
JP2019084332A (en) * | 2017-11-06 | 2019-06-06 | カシオ計算機株式会社 | Band and watch |
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2019
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- 2023-09-14 JP JP2023148882A patent/JP2023160997A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5518381U (en) * | 1978-07-26 | 1980-02-05 | ||
JPH0271316U (en) * | 1988-11-18 | 1990-05-30 | ||
JP2000135105A (en) * | 1998-10-30 | 2000-05-16 | Seiko Corp | Production of band for wristwatch |
WO2015079859A1 (en) * | 2013-11-28 | 2015-06-04 | 並木精密宝石株式会社 | Wristwatch band and manufacturing method therefor |
JP2019084332A (en) * | 2017-11-06 | 2019-06-06 | カシオ計算機株式会社 | Band and watch |
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