JP7351619B2 - connecting band - Google Patents
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- JP7351619B2 JP7351619B2 JP2019013342A JP2019013342A JP7351619B2 JP 7351619 B2 JP7351619 B2 JP 7351619B2 JP 2019013342 A JP2019013342 A JP 2019013342A JP 2019013342 A JP2019013342 A JP 2019013342A JP 7351619 B2 JP7351619 B2 JP 7351619B2
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Description
本発明は、連結バンドに関する。 The present invention relates to a connecting band.
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 wearing a 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 extending in the width direction of the two pieces, which are respectively formed in two longitudinally adjacent pieces.
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 connecting holes are exposed on the end surfaces of the outer pieces (side surfaces of the connecting band) arranged at both widthwise ends of the piece body, it is required to improve the appearance quality (appearance).
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, after press-fitting the connecting pin into the connecting hole, the end surface of the outer piece is polished together with the connecting pin, and then further hairline processing or plating is applied to make the boundary between the connecting hole and the connecting pin less noticeable. It is being 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。 Furthermore, a connecting band is known in which covers are attached to both outer sides of the piece body in the width direction to cover the end faces of the outer pieces (see, for example, Patent Document 1). The cover of this connecting band is placed in a position to block 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 bridge body from falling out. It is fastened to the end face 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 machining such as polishing is performed after connecting the pieces as a connecting band, polishing powder generated by the machining enters the minute gap between the connecting hole and the connecting pin, and then Even with cleaning, it is difficult to completely remove 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 cover that covers the outside of the outer piece does not require machining after assembly as a connecting band, so there is no problem of residual polishing powder etc. mentioned above, but the screw hole for fixing the cover to the outer piece is There is a problem in that it is necessary to newly form a cover on the piece, and it takes a lot of man-hours to tighten the screws and fix the cover. Furthermore, the fixing screws appear on the outer surface of the cover, which poses a problem in terms of 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。 Note that the connecting holes include not only holes through which connecting pins that connect the pieces are passed, but also holes that are placed at both ends in the width direction when the piece consists of multiple pieces connected by connecting pins. When the two outer pieces and one or more middle pieces arranged between the two outer pieces are connected by a connecting pin, the connecting pin connecting the outer pieces and the middle piece is passed through. It also includes holes.
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 is a connection that can improve the appearance quality without performing machining such as polishing after assembly as a connection band, and without creating new screw holes in the pieces. The purpose is to provide bands.
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 each having a connecting hole extending in the width direction of a connecting band, a connecting pin commonly passed through the connecting holes of the plurality of bridge bodies, and a connecting pin among the plurality of bridge bodies. A covering portion that is provided on the outer side in the width direction of the outer piece disposed at both ends in the width direction and covers at least a part of the outer end surface of the outer piece in the width direction, and a cover portion that passes through the connection hole of the outer piece. and an end cap having a curved protrusion.
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 according to the present invention, the appearance quality can be improved without performing machining such as polishing after assembly as the connecting band and without newly providing screw holes in the pieces.
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。 DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of a connecting band according to the present invention will be described using 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。
<Configuration>
FIG. 1 is a plan view of a wristwatch connecting band 100, which is an example of the connecting band according to the present invention, as viewed from the front side, and FIG. 2 is a bridge body 10, which is a structural unit of the connecting band 100 shown in FIG. FIG. 3 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 10 and a pair of end caps 51, 52, which are 100 structural units of the connecting band, are shown by a solid line, and the other pieces 10 and end caps 51, 52 are shown by a two-dot chain line. This is shown for ease of understanding. Moreover, FIG. 3 is a sectional view showing a cross 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 body 10, which is a structural unit of the connecting band 100, includes two outer pieces 21 and 22 arranged at both ends of the connecting band 100 in the width direction W (direction perpendicular to the length direction L). and one middle piece 30 disposed between both outer pieces 21 and 22 are connected by a connecting pin 40 and are integrally constituted.
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 disposed 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 to be slightly wider than the width of the middle piece 30. In this way, the two outer pieces 21 and 22 at both ends integrally formed by the bridge portion 23 may be simply referred to as the outer piece 20 hereinafter.
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。 Connecting holes 21b and 21c are formed near both ends of the outer piece 21 in the length direction L, respectively, and extend through the width direction W. 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。 Connecting holes 22b and 22c are also formed in the outer piece 22 near both ends in the length direction L, respectively, and extend in the width direction W and pass through. 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 by 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. In addition, in the middle piece 30, a connection extending and penetrating in the width direction W is provided near the other end in the length direction L and near the middle in the length direction L (on the other end side from 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。 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, 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, and 22c arranged in a straight line, and the piece body 10 in which the outer piece 20 and the middle piece 30 are integrated is configured. Ru.
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。 Note that the connecting pin 40 is formed to have a length 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, when the connecting pin 40 connects the outer piece 20 and the inner piece 30, both ends of the connecting pin 40 (Both end surfaces of 20) do not reach 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。 Furthermore, since the outer piece 20 and the middle piece 30 that constitute the piece body 10 are engaged at two places, 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 in line with the connecting hole 21b of the outer piece 21 of the other piece body 10 connected in the length direction L and the connecting hole 22b of the outer piece 22. The pieces 10 are connected to each other by loosely passing another common connecting pin 40 through the connecting holes 21b, 30b, and 22b arranged in a straight line.
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, they can be rotated relatively around the connecting pin 40, and the connecting band 100 can be adjusted according to the thickness of the user's wrist. It is bent by bending.
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。 Furthermore, the connecting band 100 of this embodiment includes end caps 51 and 52 on the outer sides of the outer piece 20 in the width direction W, respectively. The end 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 with the same cross-sectional contour shape as the outer surface 21a in the width direction W of the outer piece 21 (the contour shape of the outer peripheral edge of the cross section perpendicular 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 unevenness. On the other hand, the inner surface 51b of the cover plate 51a, which faces the outer surface 21a of the outer piece 21, is also a flat surface, but protrusions 51d and 51e extending in the width direction W are formed thereon.
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。 Note that the cover plate 51a does not need to cover the entire outer surface 21a of the outer piece 21, but may have a shape that covers at least a portion of the surface 21a (the 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 connection holes 21b and 21c of the outer piece 21, respectively, when the cover plate 51a is arranged to cover the entire surface of the 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 with 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 also has the same configuration as the end cap 51, and includes a cover plate 52a and protrusions 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 to have the same outline 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 opposite to the outer surface 22a of the outer piece 22 are flat surfaces with no unevenness. Elongated 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 need to cover the entire outer surface 22a of the outer piece 22, but may have a shape that covers at least a portion of the surface 22a (the 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, respectively, when the cover plate 52a is arranged to cover the entire surface of the 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。 The protrusions 52d and 52e are formed with an outer diameter that provides an interference fit with the connecting holes 22b and 22c, and are therefore 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 connecting holes 21b and 21c, respectively, so that the inner surface 51b of the cover plate 51a is brought into close contact with the outer surface 21a of the outer piece 21, and the protrusions 52d and 52e are press-fitted into the connecting holes 22b and 22c, respectively, and an assembled state is obtained in which the inner surface 52b of the cover plate 52a is held in substantially 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 pins 40 passed through the connecting holes 21b, 30b, 22b and the connecting pins 40 passed through the connecting holes 21c, 30c, 22c are biased to one side in the width direction W. The length of the connecting pin 40 and the lengths of the protrusions 51d, 52d, 51e, and 52e are set so that the connecting pin 40 does not come off from the two outer pieces 21 and 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。
<Effect>
In the connecting band 100 of this embodiment configured as described above, the connecting holes 21b, 21c, 22b, 22c that penetrate to the outer surfaces 21a, 22a of the outer pieces 21, 22 connect the outer pieces 21, 22 from the outside. It is covered by covering end caps 51 and 52. Thereby, in the connecting band 100, the connecting holes 21b, 21c, 22b, and 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, in the connecting band 100, the outer surfaces 51c and 52c of the end caps 51 and 52 are exposed to the outside, and these surfaces 51c and 52c have structures for coupling to the piece body 10 (protrusions 51d, 51e, 52d, 52e) do not appear. Therefore, the appearance quality can be improved compared to prior art covers in which a screw, which is a structure for coupling to the bridge body, 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 without irregularities, the connecting band 100 can give a clean impression and create a sense of luxury. Note that the surfaces 51c and 52c are not limited to flat surfaces, and may have irregularities, and may have a structure for coupling to the piece body 10, 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 require mechanical processing such as polishing after being assembled as the connecting band 100, polishing powder or the like will not remain even if cleaning or the like is not performed after assembling the connecting band 100.
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。 Furthermore, the connecting band 100 can connect the end caps 51, 52 to the pieces by press-fitting the protrusions 51d, 51e, 52d, 52e formed on the end caps 51, 52 into the existing connecting holes 21b, 21c, 22b, 22c. Since it can be held in the body 10, there is no need to form screw holes for screwing the end caps 51, 52 on the piece body 10 or to perform fastening work to screw them, reducing manufacturing costs. 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。 Note that 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 caps 51, 52 on the piece body 10, the protrusions 51d, 51e, 52d are inserted into the connecting holes 21b, 21c, 22b, 22c. , 52e and the outer pieces 21, 22 may be fixed by solid state bonding, and the end caps 51, 52 may be held 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。 Alternatively, the end caps 51, 52 may be held more firmly in the piece body 10 by press-fitting the protrusions 51d, 51e, 52d, 52e into the connecting holes 21b, 21c, 22b, 22c and solid phase welding. .
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, 22b and both ends of the connecting holes 21c, 22c are closed by the end caps 51, 52, so that the connecting pin 40 is closed to the connecting holes 21b, 22b, 21c, 22c. Even if the connecting pin 40 is formed loosely with respect to the connecting holes 21b, 22b, 21c, and 22c, the connecting pin 40 will not fall out.
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, the connecting pin 40 does not need to be fixed to the connecting holes 21b, 22b, 21c, 22c by press-fitting using a conventional C-ring or the like. It won't fall off. This makes it easy to automate the work of arranging the connecting pins 40 in the connecting holes 21b, 22b, 21c, and 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。 Note that when press-fitting the connecting pin 40, a lubricant is used to reduce frictional resistance during press-fitting, but since the connecting band 100 of this embodiment does not press-fit the connecting pin 40, there is no need to use a lubricant. do not have. However, the connecting band according to the present invention may be one in which a connecting pin is press-fitted into a 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。 Furthermore, the end caps 51 and 52 of the connecting band 100 may be formed in the same color and the same material as the bridge body 10, or the end caps 51 and 52 and the bridge body 10 may be formed in a different color, or the bridge body 10 may be formed in a different color. It may also be formed from 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。 When the end caps 51, 52 and the bridge body 10 are formed in the same color, the entire connecting band 100 is a single color, giving a clean impression, and the end caps 51, 52 and the bridge body 10 are formed in different colors. The formed ones 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。 Furthermore, if the end caps 51, 52 are made of the same material as the bridge body 10 (for example, titanium, etc.), the entire connecting band 100 will have a clean impression, and the end caps 51, 52 and the bridge body 10 can be separated. Items made from this 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 addition, generally speaking, the dimension of the connecting band in the width direction W can be increased or decreased at the part close to the lug (the claw-like part that attaches the connecting band to the case) formed on the watch case. It is. In this case, it is common to deal with this by gradually increasing or decreasing the width of both outer pieces of the piece body.
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 portions near the lugs, and the widths of the end caps 51 and 52 are gradually increased. You can deal with this by gradually reducing the size. That is, the end caps 51 and 52 attached to some of the pieces 10 are formed to have different dimensions in the width direction W from the other end caps 51 and 52. Therefore, in order to form one connection band 100, there is no need to manufacture a plurality of pieces 10 having different widths.
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 a plurality of end caps 51 and 52 with different widths, the manufacturing cost can be lower than that of manufacturing a plurality of piece bodies 10 with different widths.
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 pieces 10 of different widths, it is necessary to form both sides of the pieces 10 symmetrically in the width direction, but it is extremely difficult to form them symmetrically with high precision. .
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, it is easier to mold them than if they were formed symmetrically from a single part.
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 section showing a cross section at the outer surface 22a (21a) of the outer piece 22 (21), showing a modification of the protrusions 52d (51d) and 52e (51e) formed on the end cap 52 (51). It is a diagram.
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。 In the connecting band 100 of this embodiment, the two protrusions 52d and 52e (51d, 51e) of the end cap 52 (51) are both formed in a shape that is 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 and 52e (51d, 51e) of the end cap 52 (51), only one protrusion 52d (51d) is press-fitted into the connecting hole 22b (21b). The other protrusion 52e (51e) may have 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) only needs to have a fitting shape that maintains the posture of the end cap 52 (51) with respect to the bridge body 10 (prevents rotation), and has a cross section as shown in FIG. It does not have to be a substantially rectangular shape.
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, instead of having a shape in which the two protrusions 52d and 52e (51d, 51e) are press-fitted together, only one protrusion 52d (51d) is press-fitted, and the other protrusion 52e (51e) is not press-fitted. With this shape, the work of fixing the end cap 52 (51) to the bridge body 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, when the two protrusions 52d and 52e (51d, 51e) are press-fitted together, the end cap 52 The holding force of (51) to 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 above-mentioned connecting band 100 is configured such that the end caps 51, 52 are removed by press-fitting the protrusions 51d, 51e, 52d, 52e of the end caps 51, 52 into the connecting holes 21b, 21c, 22b, 22c of the outer pieces 21, 22. Although the end caps 51 and 52 are held by the pieces 21 and 22, it is preferable that the end caps 51 and 52 cannot be manually removed from the outer pieces 21 and 22 by the user.
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 of the end caps may be manually removably fixed from the bridge body. In other words, the length of the connecting band is required to be adjusted according to the length of the user's wrist, and in order to achieve this request, it is common to adjust the number of connecting pieces. It is true.
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, it may be possible to allow the user of the watch to connect and disconnect some of the pieces by himself/herself without relying on a specialist. Specifically, end caps 51 and 52 of some of the plurality of pieces 10 constituting the connecting band 100 are configured such that the end caps 51 and 52 are removably 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。 This allows the user to remove the end caps 51 and 52 from the piece body 10, remove the piece body 10 from the connection band 100, or add and connect a new piece body 10, and then remove the end face caps 51 and 52 from the piece body 10. By attaching and holding on the pieces 10, the length can be adjusted by increasing or decreasing the number of pieces 10 that constitute 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 held on the piece body 10 while being removable from the piece body 10 (outer pieces 21 and 22). A diagram showing a configuration in which grooves having a diameter larger than the inner diameter of the connecting holes 21b, 21c, 22b, and 22c are formed in the connecting holes 21b, 21c, 22b, and 22c of the connecting holes 21 and 22, and O-rings 26 are placed in these grooves, respectively. 3 is a sectional view corresponding to No. 3.
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. The diameter is smaller than the inner diameter of the connecting holes 21b, 21c, 22b, and 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 connecting holes 21b, 21c, 22b, and 22c, but when they pass through the O-ring 26, the elastic deformation of the O-ring 26 causes frictional resistance. This allows the end caps 51 and 52 to be held attached to the bridge body 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, 52 held attached to the outer pieces 21, 22 are grasped with fingers or the like and a force is applied to pull them out from the outer pieces 21, 22, the protrusions 51d, 51e, 52d, 52e Although it is subjected to frictional resistance due to the elastic deformation of the O-ring 26, it can be removed from the outer pieces 21 and 22 by applying a force greater 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 modification in which the outer pieces 22, 21 have holding members 25, 24 made of an elastic material instead of the O-ring 26 shown in FIG. The illustrated outer pieces 22, 21 have recesses 22d, 21d formed on the surfaces facing the end caps 52, 51, and holding members 25, 24 are disposed in the recesses 22d, 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 have a slightly larger size than the recesses 22d and 21d, and are fitted into the recesses 22d and 21d and 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 an inner diameter smaller than the outer diameter of the protrusions 52d, 52e, 51d, 51e at positions corresponding to the protrusions 52d, 52e, 51d, 51e of the end caps 52, 51. , 24c are formed, and the protrusions 52d, 52e, 51d, 51e are tightly inserted into these holding holes 25b, 25c, 24b, 24c, and are held by the same action as the aforementioned O-ring 26 (see FIG. 5). , 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 configuration in which the end 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 into a hollow internal space 22e. The holding member 27 is composed of a holding member piece 27A and a holding member piece 27B made of an elastic material such as silicone, which are divided into two in the illustrated vertical direction. By bringing the two holding member pieces 27A and 27B into close contact in the direction of the illustrated arrow, a holding hole 27a into which the protrusion 52d of the end cap 52 is inserted and a holding hole 27b into which the protrusion 52e is inserted are formed.
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 cap 52 has thick diameter parts 52f and 52g, which are thicker than the outer diameters of the protrusions 52d and 52e, formed 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 back side of the holding hole 27a, and a large diameter hole 27d having an inner diameter larger than that of the holding hole 27b is formed on the back side of the holding hole 27b. There is. The inner diameters of the holding holes 27a, 27b are larger than the outer diameters of the protrusions 52d, 52e, but smaller than the large diameter portions 52f, 52g. The inner diameters of the large-diameter holes 27c, 27d are either the same size as the outer diameters of the large-diameter portions 52f, 52g, or are slightly smaller than the outer diameters of the large-diameter portions 52f, 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 formed as an integral outer piece 22. Then, with the protrusions 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 cap 52 is brought into close contact with the outer piece 22, and the outer piece 22 is is maintained.
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 end cap 52 is removably held on the outer piece 22 by the holding member 27 having the same effect as the O-ring 26 (see FIG. 5) and the holding members 25, 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 addition, in the connecting band 100 of the embodiment described above, 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 part 23. The connecting band according to the invention is not limited to one in which two outer pieces are integrally formed in an H-shape by a bridge portion, but may be one in which two outer pieces are 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。 Although the connecting band 100 of the embodiment described above is an example in which the connecting band according to the present invention is applied to a connecting band for a wristwatch, the connecting band according to the present invention is not limited to a connecting band for a wristwatch, and can be applied to a bracelet. It can also be applied to connecting bands for other decorative items.
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 bodies 21, 22 Outer pieces 21b, 21c, 22b, 22c, 30b, 30c Connection hole 23 Bridge part 30 Middle piece 40 Connection pins 51, 52 End caps 51a, 52a Cover plate (an example of a cover part)
51d, 51e, 52d, 52e Protrusion 100 Connection band L Length direction W Width direction
Claims (2)
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、
前記駒体は前記連結孔を2つ有し、
前記端面キャップは前記突起を2つ有し、
2つの前記突起のうち一方の突起は2つの前記連結孔のうち一方の連結孔に圧入される形状に形成され、2つの前記突起のうち他方の突起は2つの前記連結孔のうち他方の連結孔に締め代が無い中間ばめとなる形状に形成されている連結バンド。 a plurality of piece bodies in which connecting holes extending in the width direction of the connecting band are formed;
a connecting pin commonly passed through the connecting holes of the plurality of pieces;
a covering portion that covers at least a portion of an outer end surface of the outer piece in the width direction, which is provided on the outer side in the width direction of the outer piece arranged at both ends in the width direction among the plurality of pieces; an end cap having a protrusion passed through the connecting hole of the outer piece;
The piece body has two of the connecting holes,
The end cap has two of the protrusions,
One of the two protrusions is formed in a shape to be press-fitted into one of the two connecting holes, and the other of the two protrusions is configured to connect the other of the two connecting holes. A connecting band that is formed into a shape that provides an intermediate fit with no interference in the hole.
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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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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JPS5518381U (en) * | 1978-07-26 | 1980-02-05 | ||
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Publication number | Priority date | Publication date | Assignee | Title |
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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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