JPH10113205A - Watchband - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve impact resistance at the time of being dropped. SOLUTION: This watchband composed of a band 1 composed by connecting piece members 2 and 5, the connection plate 12 of the connection plate 11 folded into three attached to the band 1 and a pin member 6 for freely turnably connecting the connection plate 12 to the piece member 2 is provided with a pair of projection parts 3 for connection provided on both side parts of the piece member 2 at the end part of the band 1 and the projection part 13 for the connection provided on the center part of the end part of the connection plate 12 so as to face a part between the pair of the projection parts 3 for the connection. Also, the piece member 2 at the end part of the band 1 is formed by integrally forming the pair of the projection parts 3 for the connection on both side parts. Then, the width B' of the connection plate 12 is made smaller than the width B of the band 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a watch band.

[0002]

2. Description of the Related Art Generally, a band is attached to a wristwatch by connecting the band to a watch case using a spring bar having a built-in spring, or attaching a band mounting member to the watch case with a spring bar. In this case, either the band is passed through the band mounting member. As a watch band attached to a wristwatch using a spring bar, there is a metal band that can be freely attached and detached by a three-fold connecting plate constituting a buckle.

FIG. 11 shows an example of a three-fold connecting portion of a watch band according to a conventional mounting structure, and FIG. 12 shows an enlarged view of a connecting portion of the watch band to a three-fold connecting plate and a fitting portion. FIG. That is, as shown in the drawing, conventionally, a three-fold connecting plate 111 is provided on the outside of the inner piece 103 protruding from between the outer pieces 102 on both sides of the end of one metal band 101 located on the upper side in the figure. With the protrusions 113, 113 on both sides provided at the end of the first connecting plate 112, the press-fit pin 106 is inserted into the protrusion 113, the inner piece 103, and the protrusion 113, and the The first connecting plate 112 of the three-fold connecting plate 111 is connected to the metal band 101.

In the drawing, reference numeral 114 denotes a first connecting plate 112.
The fitting portion 115 provided at the central portion of the second connecting plate 11
Reference numeral 6 denotes a pin connecting the first connecting plate 112 and the second connecting plate 115, 117 denotes a third connecting plate, and 118 denotes a hinge connecting the second connecting plate 115 and the third connecting plate 117. ,
Reference numeral 107 denotes a press-fit pin for connecting the third connecting plate 118 to the other watch band 101 located on the lower side in the figure. Then, as shown in FIG.
11 is equal to the width of the first connecting plate 112, and FIG.
As shown in (b), the width A ′ of the first connecting plate 112 may be smaller than the width A of the metal band 101 in some cases.

[0005]

By the way, wristwatches having an anti-shock structure have become widespread in recent years. Such wrist watches having an anti-shock structure can be detachably attached to the wrist watch by, for example, a three-fold connecting plate as a buckle. When trying to use such a metal band, there are the following problems. That is, the three-fold connecting plate 111 (the first connecting plate 112) as described above.
When the metal band 101 having the mounting structure of the above is used in a wristwatch having an anti-shock structure, when the watch is dropped, the wrist body has the anti-shock function, and the metal band 101 and the three-fold connecting plate are used. 111 (first connecting plate 11
There is a concern that the connection part by the press-fit pin 106 of 2) is deformed by the impact, and the fitting function as the buckle cannot be satisfied.

That is, as shown by an arrow in FIG.
When the connection portion of the three-folded connecting plate 111 (first connecting plate 112) by the press-fit pin 106 is deformed, the third connecting plate 117 is fitted to the protruding portions 113, 113 of the first connecting plate 112. May not be possible.
Also, at the time of drop, the protrusions 113, 1 of the first connecting plate 112
In order to avoid the direct impact of
As shown in (b), even when the width A ′ of the first connecting plate 112 is smaller than the width A of the metal band 101, the width C of the protruding portion 113 becomes narrower and the protrusion 113 is easily deformed. In some cases, the third connecting plate 117 cannot be fitted.

Further, when the first piece of the metal band is connected to the watch case by the above-described spring bar and used in, for example, a wristwatch having an anti-shock structure, the watch main body has an anti-shock function when dropped. Despite this, there is a concern that the spring bar may fall off due to the impact and the metal band may come off the wristwatch body.

An object of the present invention is to improve the impact resistance of a watch band when dropped.

[0009]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, according to the present invention, a band formed by connecting a piece member, for example, an outer piece and an inner piece, is attached to the band.
For example, a watch band including a connecting plate such as a three-fold connecting plate and a pin member rotatably connecting the connecting plate to the piece member, A configuration comprising: a pair of connecting protrusions provided on both side portions; and a connecting protrusion provided at the center of the end portion of the connecting plate so as to face between the pair of connecting protrusions. .

Here, the band may be formed by connecting outer pieces on both sides and an inner piece therebetween, or may be formed by connecting piece members of other shapes.
Any material such as ceramic, hard synthetic resin, or soft synthetic resin may be used. Further, as the connecting plate, a three-fold connecting plate constituting a buckle is representative, but a connecting plate having another configuration may be used. The pin member may be any member, such as a press-fit pin, as long as the connecting plate is rotatably connected to the bridge member. The connecting projection may be formed integrally with the bridge member, or may be formed by a separate bridge member, or may be formed integrally with the connecting plate, or provided with another member integrated with the connecting plate. May be used.

As described above, according to the first aspect of the present invention, a pair of connecting protrusions are provided on both sides of the bridge member at the end of the band, while the connecting protrusions are provided at the center of the end of the connecting plate. Since the watch band is provided with a connecting portion, a connecting protrusion provided at the center of the end portion of the connecting plate is provided in a space formed between a pair of connecting protrusions provided on both sides of the piece member at the end of the band. By passing the pin members through the three connecting protrusions in the positioned state, the connecting plate is connected to the band. When the wristwatch provided with the band to which the connecting plate is connected falls, the impact is received by the connecting protrusions on both sides of the bridge member, and the deformation of the connecting protrusion at the center of the connecting plate located therebetween is prevented. Therefore, the impact resistance of the connecting plate is enhanced.

The invention according to claim 2 is the invention according to claim 1.
The watch band according to claim 1, wherein a width of the connecting plate is slightly smaller than a width of the band.

As described above, according to the second aspect of the present invention, since the watch band has a width smaller than the width of the band according to the first aspect, the impact of the fall when falling is provided by the connecting projections on both sides of the bridge member. The impact resistance of the connecting plate itself, which has both sides on its inside, is secured.

According to a third aspect of the present invention, there is provided the watch band according to the first or second aspect, wherein the piece member at the end of the band has the pair of connecting projections integrally formed on both sides. For example, an H-shaped piece or the like is characterized.

According to the third aspect of the present invention, the band member at the end of the band according to the first or second aspect has a pair of connecting protrusions integrally formed on both sides. Therefore, the connection member can be connected to the band and the impact resistance of the connection plate can be enhanced by the new-shaped piece member in which the connection protrusions are integrally formed on both sides.

According to a fourth aspect of the present invention, there is provided the watch band according to the first or second aspect, wherein the piece members at the end portions of the band are outer pieces on both sides forming the pair of connecting projections. And an inner piece positioned between the outer pieces on both sides thereof to form a recess between the pair of connecting projections.

According to the fourth aspect of the present invention, the band member at the end of the band according to the first or second aspect comprises an outer piece on both sides forming a pair of connecting projections, and both side pieces thereof. A watch band consisting of an inner piece positioned between the outer pieces and forming a recess between the pair of connecting protrusions, so that the inner piece is located between the outer pieces on both sides and between the pair of connecting protrusions. The new arrangement of the bridge members having the recesses formed therein allows the connecting plate to be connected to the band, while improving the impact resistance of the connecting plate.

According to a fifth aspect of the present invention, there is provided a watch band including a band formed by connecting a bridge member and a connecting member rotatably connecting the band to a watch case. The connection member is characterized by comprising an insertion member to be inserted into the piece member and the watch case at the end of the band, and a fixing member to fix the insertion member to either the piece member or the watch case. And

The band may be formed by connecting outer pieces on both sides and an inner piece therebetween, or may be formed by connecting pieces of other shapes.
Any material such as ceramic, hard synthetic resin, or soft synthetic resin may be used. It should be noted that the watch case may be a shock-absorbing structure or a normal case. And the insertion member includes a pin member and a screw member,
Any device having the same insertion function may be used. Further, the fixing member includes a C-shaped ring member and a screw member, but any member having the same fixing function may be used.

As described above, according to the fifth aspect of the present invention, the connecting member for rotatably connecting the band to the watch case includes the bridge member at the end of the band and the insert member for inserting into the watch case. Since the watch band is composed of a fixing member for fixing the insertion member to either the bridge member or the watch case, the insertion member is inserted into the bridge member at the end of the band and the watch case, and the insertion member is fixed by the fixing member. By fixing the insertion member to either the bridge member or the watch case, the insertion member is prevented from coming off. Therefore, even when the wristwatch falls, it becomes difficult for the insertion member to come off even when the wristwatch falls, and the band can be prevented from coming off from the wristwatch main body, so that the shock resistance of the wristwatch band is enhanced.

The invention according to claim 6 is the watch band according to claim 5, wherein the insertion member is a stepped pin member having a large diameter at the base end, and the fixing member is It is characterized in that it is a ring member of a C-shape or the like, for example, which is press-fitted to the tip of the stepped pin member.

As described above, according to the invention of claim 6, the insertion member and the fixing member of claim 5 include a stepped pin member having a large diameter at the base end and a tip end of the stepped pin member. Since the watch band consists of a ring member that is press-fitted into the part, the stepped pin member is inserted into the bridge member at the end of the band and the watch case, and the ring member is press-fitted into the tip of the stepped pin member. By doing so, the stepped pin member can be fixed to either the bridge member or the watch case, and the stepped pin member can be prevented from coming off.

Further, the invention according to claim 7 provides the invention according to claim 6
The watch band according to any one of claims 1 to 3, wherein the ring-shaped member is fitted to a tip end of the stepped pin member by means of grooves and projections formed in a circumferential direction.

According to the seventh aspect of the present invention, the ring-shaped member is fitted to the tip of the stepped pin member according to the sixth aspect by the grooves and projections formed in the circumferential direction. Because it is a watch band, the stepped pin member and the ring-shaped member that is press-fitted to the tip of the stepped member are further fitted into the grooves and projections in the circumferential direction so that the stepped pin member can be more securely removed. Can be blocked.

According to an eighth aspect of the present invention, there is provided the watch band according to the fifth aspect, wherein the insertion member also serves as the fixing member, the head has a large diameter, and the tip end is attached to the watch case. A stepped screw member for screwing.

According to the eighth aspect of the present invention, the insertion member according to the fifth aspect also serves as a fixing member, and has a stepped portion having a large diameter head portion and screwing the distal end portion to the watch case. Since the watch band is made of a screw member, the stepped screw member is inserted into the bridge member at the end of the band and the watch case, and the tip end of the stepped screw member is screwed to the watch case. By fixing, the insertion member can be prevented from coming off.

According to a ninth aspect of the present invention, in the watch band according to the fifth aspect, the insertion member is a stepped pin member having a base end having a large diameter, and the fixing member is The screw member is screwed to the tip of the stepped pin member.

As described above, according to the ninth aspect of the present invention, the insertion member and the fixing member according to the fifth aspect include a stepped pin member having a large diameter at the base end and a distal end of the stepped pin member. Since the watch band consists of a screw member to be screwed to the part, the stepped pin member is inserted into the bridge member at the end of the band and the watch case, and the tip of the stepped pin member is screwed with the screw member. Thereby, the stepped pin member can be fixed to either the bridge member or the watch case, and the removal of the stepped pin member can be prevented.

[0029]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a watch band according to the present invention will be described with reference to FIGS.

<First Embodiment> First, FIG. 1 is a front view showing a three-fold connecting portion of a watch band as a first embodiment of the present invention, and FIG. It is the perspective view which expanded and showed the connection part with the three-fold connection board of a band, and a fitting part. In these FIGS. 1 and 2,
1 is a metal band, 2 is an end piece member (H-shaped piece), 3 is a connecting projection, 4 is a horizontal connecting part, 5 is another piece member, 6, 7 are pin members (press-fit pins), 11 Is a buckle (three-fold joint plate), 12 is a first joint plate, 13 is a connecting projection, 14
Is a fitting portion (locking claw), 15 is a second connecting plate, 16 is a pin, 17 is a hole, 18 is a third connecting plate, 19 is a hinge portion, 21 is a metal band, 22 is an outer piece, 23 is an inner piece.

The watch band is used in a wristwatch having a shock-resistant cushioning structure (not shown). In this embodiment, as shown in FIG.
, And the outer pieces 22, 22, 22,... On both sides and the inner pieces 23, 23, 23,. And a metal band 21 having a configuration in which are connected. First, the configuration shown in FIG. 1 will be described. One of the metal bands 1 located on the upper side in the figure includes an H-shaped piece 2 having an H-shape serving as an end piece member. This H-shaped piece 2
Is an integrally molded product having a pair of connecting protrusions 3 on both sides of the end portion and being integrally connected by a horizontal connecting portion 4. Continuing with the H-shaped piece 2 at the end, other piece members 5, 5, 5,. A metal band 1 attached to a watch case (not shown) is configured. The other metal band 1 located on the lower side in the figure
Is not provided with the H-shaped piece 2, and the other piece members 5, 5, 5,.
・ They are assembled side by side.

The three-fold connecting plate 11 constituting the buckle is composed of a first connecting plate 12, a second connecting plate 15, and a third connecting plate 18. First, the first connecting plate 12 has a connecting protruding portion 13 formed at the center of the end portion, and a locking claw 14 which is a fitting portion formed by punching formed in front of the connecting protruding portion 13. This first connecting plate 1
2 has a width B ′ slightly smaller than the width B of the metal band 1, and the connecting protruding portion 13 at the center of the end is formed on both sides of the H-shaped piece 2 at the end of the metal band 1. Are formed in a roll shape (see FIG. 2) in a size corresponding to the concave portion formed between the connection protruding portions 3, 3.

At the other end of the first connecting plate 12, which is formed on the opposite side of the connecting projection 13 from the connecting protrusion 13, the second connecting plate 15 also having a symmetrical shape is provided. Are connected by a pin 16 shorter than the conventional one so as to be rotatable, that is, foldable. The second connecting plate 15 is a first connecting plate.
Has a hole 17 through which the locking claw 14 passes when folded on the connecting plate 12. Further, the second connecting plate 1
The third connecting plate 18 is connected to the end of the fifth unit 5 by a hinge 19 so as to be rotatable, that is, foldable. The three-fold connecting plate 11 constituted by the three foldable connecting plates 12, 15, 18 in this manner is interposed between the upper and lower metal bands 1, 1 as shown below.

First, the first connecting plate 12 is formed by connecting the connecting projections 13 at the center thereof to the connecting projections 3, 3 on both sides of the H-shaped piece 2 at the end of the metal band 1 on the upper side in the figure. With these three connection projections 3, 13,
A press-fit pin 6 as a pin member is inserted into 3 and is rotatably connected to the H-shaped piece 2. Also, the third connecting plate 18
The press-fit pin 7 is inserted into the bridge member 5 at the end of the metal band 1 on the lower side in the figure, and is similarly rotatably connected. Therefore, when the wristwatch provided with the above-mentioned watch band is worn on the wrist, the third connecting plate 18 of the three-fold connecting plate 11 is folded with respect to the first connecting plate 12 via the second connecting plate 15. Then, a fitting portion (locking claw) (not shown) provided on the inner surface side of the third connecting plate 18 is locked to the locking claw 14 on the first connecting plate 12 to be in a locked state. . In addition,
When detaching, the third connecting plate 18 is pulled up to release the locked state with the first connecting plate 12.

By the way, in the watch band shown in FIG. 2, the metal band 21 has outer pieces 22, 22, 2 on both sides.
The inner pieces 23, 23, 23,... Are arranged and connected between 2,. 22 protrudes outward. That is, the outer pieces 22, 22 on both sides protruding from the inner piece 23 at the center of the end portion form a pair of connecting projections. Therefore, in the timepiece band shown in FIG. 2, the connection projections at the center of the first connecting plate 12 are provided in the recesses between the outer pieces 22, 22 which are the connection projections on both sides of the end of the metal band 21. With the portion 13 positioned, the press-fit pin 6 is inserted into the outer piece 22, the connecting protrusion 13 and the outer piece 22 so as to be rotatably connected.

As described above, according to the timepiece band of this embodiment, first, in the configuration example of FIG. 1, the H-shaped piece 2 at the end of the metal band 1 is connected to the connecting projections on both sides thereof. 3,
The connection protrusions 13 at the center of the first connection plate 12 are located in the recesses between the three connection members 3 and connected by inserting the press-fit pins 6, so that the connection protrusions 13 of the first connection plate 12 are on both sides thereof. Is covered with the connecting projections 3 and 3 of the H-shaped piece 2 at the end of the metal band 1, so that when the wristwatch falls, the impact is applied to the H-shaped piece 2 at the end of the metal band 1. Of the first connecting plate 12 located between them can be prevented from being deformed. In the configuration example of FIG. 2, the first connecting plate 12 is inserted into the concave portion between the outer pieces 22 on both sides of the end of the metal band 21.
The connection protrusion 13 of the first connecting plate 12 is positioned by connecting the connection protrusion 13 at the center of the metal band 1 by inserting the press-fit pin 6.
When the wrist watch falls, the impact is received by the outer pieces 22 on both sides of the end of the metal band 1 and the first piece located between the two ends.
Of the connecting projection 13 of the connecting plate 12 can be prevented.
Therefore, in each of the configuration examples, the impact resistance of the first connecting plate 12 in the three-fold connecting plate 11 of the metal band 1 can be improved.

As shown in FIG. 1, the first connecting plate 12 has a width B 'which is slightly smaller than the width B of the metal band 1, so that both ends of the H-shaped piece 2 at the end of the metal band 1 are formed. The structure is such that both side surfaces of the first connecting plate 12 are located inside the surface, so that when the wrist watch falls, both side portions of the first connecting plate 12 are prevented from directly hitting the watch. In the configuration example of FIG. 1, the impact is received on both side surfaces of the connecting projections 3 and 3 of the H-shaped piece 2 at the end of the metal band 1.
In the configuration example, the metal band 1 is received on both side surfaces of the outer pieces 22 at the end. Therefore, in any of the configuration examples, in the three-fold connecting plate 11 of the metal band 1, the impact resistance of the first connecting plate 12 itself can be secured. In the embodiment, the first connecting plate 12 has a shape in which the width is gradually narrowed on the side opposite to the connecting projection 13, and the second connecting plate 15 is similarly symmetric. The first connecting plate 12 and the second connecting plate 12
Since the connecting plate 15 is connected by a pin 16 shorter than before, there is also an advantage that the weight can be reduced as the three-fold connecting plate 11 of the metal band 1.

<Second Embodiment> FIG. 3 shows a structure for attaching a watch band to a watch case according to a second embodiment of the present invention. FIG. 4 is an enlarged front view in which a structure for attaching the watch band to the watch case is cut away. 3 and 4, 31 is a wristwatch main body, 32 is a watch case, 33 is glass, 34 is a buffer cover, 35 is a connection protrusion, 36 is a through hole, 41 is a metal band, 42, 43, and 44. Is a bridge member, 45 is a connection protruding portion, 46 and 47 are through holes, 48 is a stepped portion, 51 is a press-fit pin (insertion member), 52 is a small diameter portion, 53 is a large diameter portion, 54 is a head portion, and 55 is a head portion. Pipe, 56 is a small diameter portion, 57 is a large diameter portion, 58
Denotes a C-shaped ring (fixing member).

In this embodiment, as shown in FIG. 3, the wristwatch body 31 has a shock-resistant structure, that is, a buffer cover 34 is attached around the glass 33 on the surface of the watch case 32. Things. At the upper and lower ends of the watch case 32 in the figure, connecting protrusions 35, 35 are provided.
Are formed. A lateral through-hole 36 is formed in the connecting protrusion 35. In addition, watch band,
A metal band 41 is formed by connecting piece members 42, 43, 44,... Of an integrally molded product.
Has a pair of connecting projections 45, 45 located on both sides of the connecting projection. Further, as shown in FIG. 4, a large through hole 46 from the outside and a small through hole 47 inside are formed on the pair of connection projections 45, 45, respectively, as shown in FIG. The large diameter through hole 46 and the small diameter through hole 47
The boundary with is a stepped portion 48.

The above watch band (metal band 4)
The connection member for connecting 1) to the watch main body 31 (watch case 32) has the following configuration. First, the press-fit pin 51 as an insertion member has a length that is inserted across the large-diameter through holes 46 of the connecting projections 45 on both sides of the bridge member 42, and has a front half. Small diameter part 5
2. A larger diameter head 53 with the latter half as a large diameter portion 53
It is a stepped pin member provided with. That is, this press-fit pin 5
1 is a case in which the head 54 is a piece member 4 at the end of the metal band 41.
The large diameter portion 53 has a diameter suitable for the small diameter through hole 47 of the connection projection 45, and the large diameter portion 53 has a diameter suitable for the large diameter through hole 46 of the second connection projection 45. The large-diameter portion 53 of the press-fit pin 51 is connected to the connecting projection 3 of the watch case 32.
The diameter has a clearance with respect to the through-hole 36 of No. 5, and the structure having the rotation function of enhancing the cutting stress by having the clearance in this way.

A pipe 55 in which the small diameter portion 52 of the press-fit pin 51 is fitted is prepared. The pipe 55 is a stepped pipe member having a small diameter portion 56 in the first half and a large diameter portion 57 in the second half. That is, the pipe 55 has a small diameter portion 56.
Has an inner diameter that matches the small-diameter portion 52 of the press-fit pin 51 and an outer diameter that matches the small-diameter through hole 47 of the connecting projection 45 of the bridge member 42 at the end of the metal band 41. The portion 57 has an outer diameter that matches the large-diameter through hole 46 of the connecting projection 45 and an inner diameter that is sufficiently larger than the small-diameter portion 52 of the press-fit pin 51. Then, a fixing member for fixing to the small diameter portion 52 of the press-fit pin 51 is prepared, and the fixing member is a C-shaped ring 58 having a C-shaped cross section. That is, the C-shaped ring 58
Due to its C-shaped cross section, it is press-fitted onto the small-diameter portion 52 of the press-fit pin 51, and has an outer diameter housed inside the large-diameter portion 57 of the pipe 55 in a fixed state.

Using the connecting member having such a component configuration, the piece member 42 at the end of the metal band 41 is connected to the watch case 32.
When connecting to the watch case 32, the connecting protrusions 45 of the piece member 42 are made to face both sides of the connecting protrusion 35 of the watch case 32, and as shown by an arrow in FIG. The press-fit pin 51 is inserted into the through holes 46 and 47 from the outside of the portion 45. By inserting the press-fit pin 51, as shown in FIG. 4, the small-diameter portion 52 advances from the through hole 36 of the connecting protrusion 35 of the watch case 32 to the through holes 47, 46 of the other connecting protrusion 45. At the same time, the large diameter portion 53 moves forward halfway through the through hole 36, and the head 54
Hit 8 Further, as shown by the arrow in FIG. 3, a pipe 55 is inserted into the through holes 46 and 47 from the outside with respect to the other connecting projection 45. By inserting this pipe 55,
As shown in FIG. 4, the small diameter portion 56 is
The large diameter portion 57 abuts on the step portion 48 by advancing to the through hole 36 of the connection projection 35 of FIG.

As described above, the small diameter portion 52 of the press-fit pin 51
Is advanced from the small-diameter portion 56 of the pipe 55 to the inside of the large-diameter portion 57. In this state, the small-diameter portion 5
2 between the outer circumference of the pipe 2 and the inner circumference of the large diameter portion 57 of the pipe 55,
A space for inserting the C-shaped ring 58 is formed. Therefore, by inserting the C-shaped ring 58 into the space, the C-shaped ring 58 is press-fitted onto the small-diameter portion 52 of the press-fit pin 51 as shown in FIG. In this fixed state, the C-shaped ring 58 abuts on a step in the large diameter portion 57 of the pipe 55. here,
The pipe 55 connects the metal band 41 to the watch case 32.
C-shaped ring 58 by rotation about the press-fit pin 51 of FIG.
And to prevent the press-fit pin 51 from being loosened and to receive the shearing force at the time of the impact action due to the fall.

As described above, according to the timepiece band of this embodiment, the stepped through holes 46 and 47 of the piece member 42 at the end of the metal band 41 and the through hole 3 of the watch case 32 are provided.
The stepped press-fit pin 51 was fixed to the bridge member 42 by press-fitting the C-shaped ring 58 in the other stepped through-holes 46 and 47 into the small-diameter portion 52 of the stepped press-fit pin 51 inserted in 6. Even when the wristwatch falls, the stepped press-fit pin 51 is hard to come off even by an impact. Therefore, it is possible to prevent the metal band 41 from being detached from the wristwatch main body 31, and to improve the shock resistance of the watch band. It is needless to say that the metal band may have a configuration in which the outer pieces on both sides are connected to the inner piece at the center.

<Third Embodiment> FIG. 5 shows a structure for attaching a watch band to a watch case according to a third embodiment of the present invention. The watch band is attached to the watch case. It is an enlarged front view showing the mounting structure part broken,
FIG. 6 is an exploded side view showing the structure of the mounting part. In these FIGS. 5 and 6, similarly to the above-described second embodiment, 36 is a through-hole, 42 is an end piece member, 45 is a connecting protrusion, 46 and 47 are through-holes,
48 is a stepped portion, 51 is a press-fit pin (insertion member), 52 is a small diameter portion, 53 is a large diameter portion, 54 is a head, 55 is a pipe, 56 is a small diameter portion, 57 is a large diameter portion, and 58 is a C-shaped ring. (Fixing member)
Here, 61 is a groove, 62 is a throttle, and 63 is a projection.

That is, this embodiment is different from the second embodiment described above.
In the configuration of the connection member similar to that of the embodiment of FIG.
As shown in FIG. 6, a circumferential groove 61 is formed near the tip of the small-diameter portion 52 of the press-fit pin 51, while a circumferential aperture 62 is formed on the outer periphery of the C-shaped ring 58. Thus, a circumferential projection 63 is formed on the inner peripheral surface. Therefore, similarly to the above-described second embodiment, the small-diameter portion 52 of the press-fit pin 51 advances from the small-diameter portion 56 of the pipe 55 to the inside of the large-diameter portion 57, and the small-diameter portion 52 of the press-fit pin 51.
By inserting a C-shaped ring 58 in the space between the outer circumference of the pipe 55 and the inner circumference of the large-diameter portion 57 of the pipe 55, FIG.
As shown in (1), the circumferential projection 63 on the inner periphery of the C-shaped ring 58 is fitted into the circumferential groove 61 of the small diameter portion 52 of the press-fit pin 51, and the fixed state is established.

As described above, according to the timepiece band of this embodiment, the stepped press-in pin 51 and the small-diameter portion 52 of the stepped press-in pin 51 constituting the same connection member as in the second embodiment are press-fitted. The C-shaped ring 58 is securely fixed to the small-diameter portion 52 of the stepped press-fit pin 51 by fitting the C-shaped ring 58 into the small-diameter portion 52 of the stepped press-fit pin 51 by fitting the concave and convex with the circumferential groove 61 and the projection 63. In addition to the effect on impact obtained by the configuration of the second embodiment, the press-fit pin 51
The stepped press-fit pin 51 can be more reliably prevented from coming off due to an impact by a C-shaped ring 58 in which an inner circumferential protrusion 63 is fitted into a circumferential groove 61 of the small-diameter portion 52. Becomes In addition, it is possible to prevent the C-shaped ring 58 from coming off or floating, and to surely prevent the stepped press-fit pin 51 from coming off.

<Fourth Embodiment> FIG. 7 shows a structure for attaching a watch band to a watch case as a fourth embodiment to which the present invention is applied. It is an enlarged front view showing the mounting structure part broken,
FIG. 8 is an exploded side view showing the configuration of the attachment part. In FIGS. 7 and 8, similarly to the above-described second embodiment, reference numeral 42 denotes an end piece member;
Is a projecting portion for connection, 46 and 47 are through holes, 48 is a stepped portion, and 37 is a new mounting hole, 71 is a fixing screw (insertion / fixing member), 72 is a shaft portion, and 73 is a male screw. Reference numeral 74 denotes a head, and 75 denotes a pipe.

That is, this embodiment is different from the second embodiment described above.
The configuration of the connection member is different from that of the embodiment shown in FIG.
As shown in (1), a fixing screw 71 as a fixing member also serving as an insertion member and a pipe 75 are used. First, the fixing screw 71 also serving as the insertion member has a small-diameter male screw portion 73 at the tip of a large-diameter shaft 72, and further has a larger-diameter head 74 at the other end of the shaft 72. It is a stepped screw member, and its head 74 has a diameter that fits into the large-diameter through hole 46 of the connecting projection 45 of the bridge member 42. Then, a pipe 75 for passing the shaft portion 72 of the fixing screw 71 is prepared. The pipe 75 is provided with a small-diameter through hole 4 of the connecting projection 45.
It has an outer diameter conforming to No. 7.

Mounting holes 37, 37 are provided on both sides of the connecting projection 35 (see FIG. 3) of the watch case 32.
And a screw hole (not shown) is formed on the bottom surface of the mounting hole 37. The tip of the pipe 75 is inserted into the mounting hole 37, and the male screw 73 of the fixing screw 71 is inserted into the screw hole.
Is suitable. Here, the pipe 75 is used to prevent the fixing screw 71 from being cut by an impact and to prevent the fixing screw 71 from being loosened by an impact or vibration.

When connecting the piece member 42 at the end of the metal band 41 to the watch case 32 by using the connecting member having such a component configuration, the connecting member 35 of the watch case 32 is provided on both sides of the connecting protrusion 35. The connecting projection 45 of the bridge member 42,
45, the pipes 75, 7 are respectively inserted into the through holes 46, 47 from the outside with respect to the two connection projections 45, 45.
5, and the fixing screws 71, 71 are inserted respectively.
That is, as shown in FIG. 7, the pipe 75 is connected to the watch case 3 through the small-diameter through hole 47 of the connecting projection 45 of the piece member 42.
2, and the shaft 72 of the fixing screw 71 is passed through the pipe 75,
The male screw portion 73 is screwed into a screw hole on the bottom surface of the mounting hole 37 and fixed. In this fixed state, the head 74 of the fixing screw 71 is in contact with the step portion 48.

As described above, according to the timepiece band of this embodiment, the pipe 75 extends from the stepped through holes 46 and 47 to the mounting hole 37 of the watch case 32 on both sides of the piece member 42 at the end of the metal band 41. The stepped fixing screw 71
Is inserted and the male screw 73 of the stepped fixing screw 71 is screwed into the screw hole of the watch case 32, so that the stepped fixing screw 71 is fixed to the watch case 32. Also, the stepped fixing screw 71 can be prevented from coming off. Therefore, the watch body 31
It is possible to prevent the metal band 41 from coming off, thereby improving the shock resistance of the watch band.

<Fifth Embodiment> FIG. 9 shows a structure for attaching a watch band to a watch case as a fifth embodiment to which the present invention is applied. It is an enlarged front view showing the mounting structure part broken,
FIG. 10 is an exploded side view showing the structure of the attachment part. 9 and 10, in the same manner as in the second embodiment described above, 36 is a through hole, 42 is an end piece member, 45 is a connecting protrusion, 46 and 47 are through holes, and 48. Is a stepped portion, 81 is a pin (insertion member), 82 is a screw hole, 83 is a head, 85 is a fixing screw (fixing member), 86 is a male screw portion, and 87 is a head.

That is, this embodiment is different from the second embodiment described above.
The configuration of the connection member is different from that of the embodiment shown in FIG.
As shown in FIG. 0, a pin 81 as an insertion member and a fixing screw 85 as a fixing member are used. First, as shown in FIG. 9, a pin 81 as an insertion member has a screw hole 82 at the distal end thereof and a large-diameter head 83 at the other end thereof. Connecting projection 45,
It has a length that is inserted across the 45 small-diameter through holes 47. The pin 81 in the illustrated example is
Small diameter through hole 47 and the through hole 3 of the watch case 32
6. The pin diameter is larger than that of the conventional pin member. The fixing screw 85 serving as a fixing member includes a male screw portion 86 and a head portion 87.
It conforms to 2.

When connecting the piece member 42 at the end of the metal band 41 to the watch case 32 using a connecting member having such a simple structure and a small number of parts, the connection of the watch case 32 is performed. The connecting projections 45 of the piece member 42 are made to face both sides of the
One of the connection projections 45 is provided with a through hole 4 from the outside.
The pins 51 are inserted into the pins 6 and 47, and the tip of the pin 81 is advanced to the small-diameter through hole 47 of the other connecting projection 45 as shown in FIG. Then, the screw portion 86 of the fixing screw 85 is screwed from the large-diameter through hole 46 of the other connecting projection to the screw hole 82 at the tip of the pin 51 and fixed. In this fixed state, the head 83 of the pin 51 and the head 87 of the fixing screw 85 abut against the steps 48, 48.

As described above, according to the timepiece band of this embodiment, the stepped through holes 46 and 47 of the piece member 42 at the end of the metal band 41 and the through hole 3 of the watch case 32 are provided.
The stepped pin 81 was fixed to the piece member 42 by screwing the tip end of the stepped pin 81 inserted in 6 into the other stepped through holes 46 and 47 with the fixing screw 85. In this case, the stepped pin 81 can be prevented from coming off by the impact. Therefore, it is possible to prevent the metal band 41 from being detached from the wristwatch main body 31, and to improve the shock resistance of the watch band. Further, as shown in the illustrated example, since the diameter of the pin 81 is increased, the pin 81 itself is extremely resistant to impact.

In each of the above embodiments,
Although the watch band is applied to a wristwatch having an anti-shock structure, the present invention is not limited to this, and may be a watch band applied to a normal wristwatch having no anti-shock structure. In each of the embodiments, the metal band is used, but the band may be made of any material such as ceramic, hard synthetic resin, or soft synthetic resin in addition to metal. Also, the shape and arrangement of the band member members are arbitrary, and it goes without saying that the specific detailed structure and the like can be appropriately changed.

[0058]

As described above, according to the timepiece band according to the first aspect of the present invention, connection projecting portions are provided on both sides of the bridge member at the end of the band and at the center of the end of the connecting plate. Thus, in a state where the connecting projection at the center of the connecting plate end is located in the space formed between the connecting projections on both sides of the bridge member at the end of the band, these three connecting projections are positioned. Since the connecting plate is connected to the band through the pin member on the protruding portion, when the watch falls, the impact can be received by the connecting protruding portions on both sides of the band piece member.
Since the deformation of the connecting projection located at the center of the connecting plate can be prevented, the impact resistance of the connecting plate can be improved.

According to the timepiece band according to the second aspect of the present invention, the width of the connecting plate is made smaller than the width of the band. An advantage is obtained in that the impact is received by the connecting projections on both sides of the piece member, and the impact resistance of the inner connecting plate itself can be secured.

According to the watch band of the third aspect of the present invention, since the pair of connecting projections are integrally formed on both sides, the watch member has a novel shape. As in the invention described in Item 1 or 2, the connecting plate can be connected to the band, and the impact resistance of the connecting plate can be improved.

According to the watch band of the fourth aspect of the present invention, there is provided a watch member in which an inner piece is located between outer pieces on both sides and a concave portion is formed between a pair of connecting protrusions. Therefore, the connecting member can be connected to the band and the impact resistance of the connecting plate can be improved by the novel arrangement of the bridge members as in the first or second aspect of the present invention.

According to the watch band of the fifth aspect of the present invention, the insert member to be inserted into the watch member and the watch case at the end of the band, and this insert member is fixed to either the watch member or the watch case. A fixing member and a connecting member made up of the band member at the end of the band and the insertion member inserted into the watch case are fixed to either the piece member or the watch case with the fixing member to prevent the insertion member from coming off. Since it is possible to prevent the band from coming off, the band can be prevented from coming off from the wristwatch main body even when the wristwatch falls, thereby improving the shock resistance of the watch band. be able to.

According to the watch band of the sixth aspect of the present invention, since the insert member and the fixed member each include the stepped pin member and the ring member that is press-fitted to the tip of the band member, the band end portion is formed. The ring member can be press-fitted to the tip of the stepped pin member inserted into the piece member and the watch case, and the stepped pin member can be fixed to either the piece member or the watch case. As in the invention described, it is possible to prevent the stepped pin member that is the insertion member from coming off.

Further, according to the watch band of the present invention, the ring-shaped member is fitted to the leading end of the stepped pin member by means of circumferential grooves and projections, so that the stepped pin member can be formed. And a ring-shaped member that is press-fitted to the tip of the stepped pin member. Further, in addition to the effect obtained by the invention according to claim 6, the stepped pin member This has the advantage that the detachment can be more reliably prevented.

According to the watch band of the present invention, the insertion member and the fixing member are formed by stepped screw members which are screwed to the watch case. Since the tip of the inserted stepped screw member can be screwed to the watch case to fix the insert member to the watch case, it is possible to prevent the insert member from coming off as in the invention according to claim 5. it can.

Further, according to the watch band of the ninth aspect of the present invention, the insertion member and the fixing member each including the stepped pin member and the screw member to be screwed to the tip end thereof are provided, so that the end portion of the band end is formed. The stepped pin member can be fixed to either the piece member or the watch case by screwing a tip end of the stepped pin member inserted into the piece member and the watch case with a screw member. Like the invention,
The stepped pin member as the insertion member can be prevented from coming off.

[Brief description of the drawings]

FIG. 1 is a front view showing a three-fold joint portion of a watch band according to a first embodiment of the present invention.

FIG. 2 is an enlarged perspective view showing a connection portion of the watch band of FIG. 1 with a three-fold connecting plate and a fitting portion.

FIG. 3 is a front view showing a mounting structure of a watch band to a watch case as a second embodiment of the present invention, in which a connecting member is exploded and shown.

FIG. 4 is an enlarged front view in which a structure for attaching the watch band of FIG. 3 to a watch case is cut away.

FIG. 5 shows an attachment structure of a watch band to a watch case as a third embodiment to which the present invention is applied, and is an enlarged front view in which the attachment structure of the watch band to the watch case is cut away. FIG.

FIG. 6 is an exploded side view of the configuration of the attachment part of FIG. 5;

FIG. 7 is an enlarged front view showing a structure for attaching a watch band to a watch case as a fourth embodiment to which the present invention is applied; FIG.

FIG. 8 is an exploded side view of the configuration of the attachment part of FIG. 7;

FIG. 9 shows an attachment structure of a watch band to a watch case as a fifth embodiment to which the present invention is applied, and is an enlarged front view in which the attachment structure of the watch band to the watch case is cut away. FIG.

FIG. 10 is an exploded side view of the configuration of the attachment part of FIG. 9;

FIGS. 11A and 11B illustrate a three-fold connecting portion of a watch band according to a conventional mounting structure, wherein FIG. 11A is a front view showing a case where the band width and the width of a connecting plate are the same, and FIG. It is the front view which showed the case where the width | variety of the connection board was small.

12 is an enlarged perspective view showing a connection portion of the watch band of FIG. 11 with the three-fold connecting plate and a fitting portion.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Band 2 End piece member 3 Connection projecting part 6, 7 Pin member 11 Three-fold connecting board 12, 15, 18 Connecting board 13 Connection projecting part 14 Fitting part 21 Band 22 Outer piece 23 Inner piece 31 Watch Main body 32 Watch case 34 Buffer cover 35 Connecting projection 36 Through hole 37 Mounting hole 41 Band 42, 43, 44 Piece member 45 Connecting projection 46, 47 Through hole 48 Step 51 Press-fit pin (insertion member) 55 Pipe 58 C-shaped ring (fixing member) 61 Groove 62 Aperture 63 Projection 71 Fixing screw (insertion / fixing member) 75 Pipe 81 Pin (insertion member) 85 Fixing screw (fixing member)

Claims (9)

[Claims] 1. A band formed by connecting a bridge member, a connecting plate attached to the band, and a pin member rotatably connecting the connecting plate to the bridge member. A pair of connecting protrusions provided on both sides of the piece member, and a connecting protrusion provided at the center of the end of the connecting plate so as to face between the pair of connecting protrusions. A watch band characterized by the following. 2. The watch band according to claim 1, wherein the width of the connecting plate is smaller than the width of the band. 3. The watch band according to claim 1, wherein the piece member at the end of the band has the pair of connecting projections formed integrally on both sides. 4. The band member at the end of the band includes an outer piece on both sides forming the pair of connecting projections, and a pair of connecting pieces located between the outer pieces on both sides. 3. The watch band according to claim 1, wherein the watch band comprises an inner piece having a concave portion formed thereon. 5. A band formed by connecting a piece member, and a connecting member that rotatably connects the band to a watch case, wherein the connecting member includes the piece member at the end of the band and the connecting member. A watch band comprising: an insertion member to be inserted into the watch case; and a fixing member for fixing the insertion member to the piece member or the watch case. 6. The insertion member is a stepped pin member having a base end with a large diameter, and the fixing member is a ring member that is press-fitted to a tip end of the stepped pin member. The watch band according to claim 5, wherein 7. The watch band according to claim 6, wherein the ring-shaped member is fitted to the tip of the stepped pin member by means of grooves and projections formed in a circumferential direction. 8. The stepped screw member, which also serves as the fixing member, has a large diameter head, and has a distal end screwed to the timepiece case.
Watch band described. 9. The insertion member is a stepped pin member having a base end with a large diameter, and the fixing member is a screw member screwed to a tip end of the stepped pin member. The watch band according to claim 5, wherein