JP2000279216A - Connecting structure of watchband link - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connecting structure of watchband links wherein the method of adjusting the length of a watchband is easy, and the user of the watchband easily adjusts it. SOLUTION: The connecting hole 9b of a first element link 5 is engaged with the connecting shaft 8a of a second element link 6, the first and second element links 5 and 6 are connected to each other and, by engaging a recessed portion 11b provided in the first element link 5 with a projecting portion 10a provided in the second element link 6, the connected state of a watchband frame is surely held. In addition, the first and second element links 5 and 6 are separated from each other in the short direction of the watchband by rotating one element link to the other to realize a state where an angle made therebetween is nearly perpendicular, a pulling-out preventing means is released to separate and disconnect the first and second element links 5 and 6 from each other. Thus, the length of the watchband is easily adjusted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting structure for a watch band, and more particularly to a watch for adjusting the length of a watch band using two types of watch bands composed of two elements. The present invention relates to a connection structure for band pieces.

[0002]

2. Description of the Related Art FIG. 6 is a view showing a conventional structure for connecting a watch band piece, in which a metal watch band piece 17 is connected in a band shape by a connecting member 21 such as a split pin. . The watch band piece 17 has convex portions 18, 18 a formed at both ends in the longitudinal direction of the watch band. When the watch band piece 17 is connected to the watch case 15, a connecting foot 16 provided on the watch case 15 and the watch Band piece 17
Are arranged adjacent to each other, and a connecting member 21 is inserted into a through hole (not shown) provided in the connecting foot 16 and the projecting portion 18 to connect the two. Also, the connection of the watch band pieces 17 is such that the convex portions 18 and 18a of the watch band piece 17 are arranged adjacent to each other, and through holes (not shown) provided in the convex portions 18 and 18a.
Are connected by inserting the connecting member 21 into the connector.
To adjust the length of the band, push out the end of the connecting member 21 to the opposite side using a dedicated tool, and when the length that can be grasped by tweezers or the like is pushed out, pull out the connecting member 21 from the opposite side, When the connection of the watch band pieces 17 is released and the watch band pieces 17 are removed from the entire band, the watch band pieces 17 are shortened by the length of the watch band pieces 17. If it is desired to add a length, another watch band piece 17 is connected to increase the band length by the length of the added watch band piece 17.

[0003]

However, in the conventional watch band piece connecting method, since the watch band pieces are connected using the connecting member, a dedicated tool is used when adjusting the length of the band. Must be used to remove these connecting members and adjust the length of the band, which is cumbersome and difficult for the user. In addition, since a large number of connecting members are used to connect the respective watch band pieces, it takes time and effort to assemble, and the number of parts is increased and the parts cost is increased.

An object of the present invention is to solve the above-mentioned problems and to provide a connecting structure for a watch band piece in which a method of adjusting the length of the watch band is simple and a user of the watch band can easily adjust.

[0005]

Means for Solving the Problems In order to achieve the above object, a connecting structure for a watch band piece according to the present invention employs the following configuration.

In other words, the connecting structure of a watch band piece according to the present invention is a connecting structure of a watch band piece in which a large number of watch band pieces are rotatably connected to each other. And a connecting structure for a watch band piece in which the two element pieces are alternately connected, wherein the two element pieces are provided with connecting means and retaining means, respectively, and the connecting means is provided with the first element piece. The second element piece restricts movement in the longitudinal direction of the watch band, the retaining preventing means restricts movement in the short direction of the watch band, and the first element piece and the second element The retaining element is released by rotating the other element piece at a predetermined angle with respect to one of the element pieces, and the first element piece and the second element piece are separated by a watch band. And separate the two element pieces Features that are configured to release.

[0007] The first element piece has a crank-shaped planar shape including a projection and a base, and a connection hole as the connection means is provided on a side surface of the projection of the first element piece; The base of the element piece has a recess as a stopper preventing means, and the second element piece has a rectangular parallelepiped shape having a notch, and the side face of the notch of the second element piece serves as the connecting means. A connecting shaft, and a protrusion serving as a stopper preventing means at a distal end of the second element piece in the longitudinal direction of the watch band; a projection of the first element piece and a notch of the second element piece; The first element piece and the second element piece are engaged by engaging a connection hole provided in the first element piece with a connection shaft provided in the second element piece. It is characterized in that it is configured to be connected to an element piece.

The retaining means engages the recess of the first element piece with the projection of the second element piece in a state where the first element piece and the second element piece are connected to each other. The other element piece is rotated with respect to the element piece, and in a state where the angle between the first element piece and the second element piece is substantially a right angle, the recess of the first element piece and the second element piece are rotated. The element piece is configured to be disengaged from the projection. Furthermore,
The length of the watch band is adjusted by attaching and detaching the watch element to the watch band as a set of the first element piece and the second element piece.

(Operation) In the present invention, the first element piece and the second element piece are connected by engaging the connection shaft of the second element piece with the connection hole of the first element piece. Further, by alternately connecting the first element piece and the second element piece,
A watch band can be formed without requiring a large number of connecting members. Further, the engagement of the recess provided on the first element piece and the projection provided on the second element piece as a retaining means ensures that the connection state of the watch band piece can be maintained. Also, the first element piece and the second element piece are rotated in a state where the other element piece is rotated with respect to one element piece so that the angle formed by the first element piece and the second element piece is substantially a right angle. By separating the element pieces from each other in the short direction of the watch band, the engagement between the recess of the first element piece and the projection of the second element piece, which is the retaining means, is released. As a result, the first element piece can be separated from the second element piece, and the length of the watch band can be easily adjusted.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a structure of a timepiece band piece connecting structure according to an embodiment of the present invention.

FIG. 1 shows a configuration in which watch band pieces in this embodiment are connected. As the watch band pieces in the present embodiment, a connecting piece 4, a first element piece 5, and a second element piece 6 are used. Connected pieces 4 at both ends of watch case 1
Are connected, a first element piece 5 is connected to the connection piece 4, and a second element piece 6 is connected to the first element piece 5. Further, the first element pieces 5 and the second element pieces 6 are connected alternately in a plurality of strips, and finally connected by a clasp 7 to form a whole connected state, thereby forming the band 3. .

In adjusting the length of the band, the length of the band 3 is adjusted by removing or adding the first element piece 5 and the second element piece 6 as a pair from the band 3. can do.

The connecting piece 4 is configured such that the watch case 1 and the first element piece 5 are connected. One end of the connecting piece 4 is provided with a connecting foot convex portion 4a for connecting to the watch case 1, and the concave portion 2a provided between the connecting foot convex portion 4a and the connecting foot 2 formed on the watch case 1 is engaged. It is formed so that. At the other end of the connecting piece 4, a notch 4c for connecting to the first element piece 5 is formed, and a connecting shaft 8a is provided on a side surface of the notch 4c. Further, at the other end of the connecting piece 4, a projecting portion 4b is formed at its tip as a means for preventing the first piece 5 from coming off.

Next, the structure of the first element piece 5 and the second element piece 6 in the present embodiment will be described in detail with reference to FIG. FIG. 2 is a perspective view showing the structure of the first element piece 5 and the second element piece 6 used in the present embodiment.

The first element piece 5 has convex portions 5a and 5b and a base 5c which are formed in both longitudinal directions of the watch band and have a crank shape in plan view. In addition, connecting holes 9a and 9b as connecting means are provided on the inner surfaces of the convex portions 5a and 5b, respectively. This connection hole 9
Although a and 9b may be functionally through holes, the present embodiment employs so-called blind holes having openings only on the inner surfaces of the projections 5a and 5b, respectively. This is because, when the connecting holes 9a and 9b are formed as through holes, when a band is formed, the holes on the side surfaces are conspicuous and the appearance appearance is poor.

The base 5c has recesses 11a, 1a, 1b, 2c as retaining means in both longitudinal directions of the watch band.
1b is formed. The recesses 11a and 11b are provided so as to face each other substantially near the center of the first element piece 5 in the lateral direction of the watch band.

The second element piece 6 has notches 6a and 6b in the shape of a rectangular parallelepiped. Notch 6
connecting shafts 8a, 8b as connecting means
Is provided at the tip of the second element piece 6 in the longitudinal direction of the watch band, as a protrusion 10 as a stopper preventing means.
a and 10b are formed. The protrusions 10a, 10
b is provided near the center of the second element piece 6 in the short direction of the timepiece band so as to face each other.

Further, the outer diameter of the connecting shafts 8a and 8b provided in the second element piece 6 is set to a value slightly smaller than the inner diameter of the connecting holes 9a and 9b provided in the first element piece 5. A projection 10a provided on the second element piece 6;
The width of the recess 10b provided in the first element piece 5 is 10b.
The values are set slightly smaller than the widths of a and 11b.

That is, the projection 5b of the first element piece 5 and the notch 6a of the second element piece 6 are arranged so as to engage with each other. The first element piece 5 and the second element piece 6 are connected by engaging a connection hole 9b provided in the portion 5b with a connection shaft 8a provided in the notch 6a of the second element piece 6. The movement of the watch band in the longitudinal direction is restricted.

Further, in a state where the first element piece 5 and the second element piece 6 are connected to each other, a concave portion 11b of the first element piece 5 as the retaining means and a projection 10a of the second element piece 6 are provided. Are arranged so as to be substantially collinear in the longitudinal direction of the watch band.
And the projection 10a of the second element piece 6 are engaged with each other, whereby movement in the short direction of the watch band is regulated, and the first element piece 5 and the second element piece 6 are separated from each other. Not configured.

Further, the second element piece 6 is rotated with respect to the first element piece 5 so that the angle between the first element piece 5 and the second element piece 6 becomes substantially a right angle. The recess 11b of the first element piece 5 and the projection 10 of the second element piece 6
a is released.

Next, a method of adjusting the length of the watch band according to the present embodiment will be described with reference to FIGS. 3, 4, and 5. FIG. FIG. 3A shows a first element piece 5 and a second element piece 6.
Is a plan view showing a state in which are alternately connected, FIG.
Shows a side view. As shown in FIG. 3, the first element piece 5
The connecting shaft 8b provided in the notch 6b of the second element piece 6 is engaged with the connecting hole 9a provided in the convex part 5a of the second element piece 5 and the second connecting hole 9b provided in the convex part 5b of the first element piece 5 is provided. The connecting shaft 8a provided in the notch 6a of the element piece 6 is engaged.

Also, the second element piece 5 is provided with the second
The projecting portion 10b of the element piece 6 of the first element piece 5 is engaged.
The projection 10a of the second element piece 6 is engaged with and connected to the recess 11b. Further, the connecting shaft 8 of the second element piece 6
Each element piece is rotatably connected with a and 8b as fulcrums, so that when the watch is worn on the wrist, the watch band bends according to the shape of the wrist. In the state where the element pieces are connected to each other and attached to the arm in this way, since the recesses 11a and 11b as the retaining means and the projections 10a and 10b are respectively engaged, the element pieces are separated and separated. There is no.

FIG. 4A shows that the second element piece 6 is rotated with respect to the first element piece 5 so that the angle formed between the first element piece 5 and the second element piece 6 becomes substantially a right angle. FIG. 4B is a plan view showing the state, and FIG. When adjusting the length of the watch band, an arbitrary second element piece 6 is rotated downward about the connecting shaft 8a, so that the first element piece 5 and the second element piece 6 The angle formed should be substantially right. As a result, the projection 10a of the second element piece 6 is
Is completely removed from the recess 11b, and the engagement between the projection 10a and the recess 11b is released. In this state, the retaining of the first element piece 5 and the second element piece 6 is released.

FIG. 5A is a plan view showing a state in which the second element piece 6 is separated from the first element piece 5, and FIG. 5B is a side view. As shown in FIG. 5, the first element piece 5 and the second element piece 5
In a state where the angle between the element piece 6 and the
Is moved in the short direction of the watch band shown by the arrow A, the connecting shaft 8a of the second element piece 6 is pulled out from the connecting hole 9b of the first element piece 5, and as shown by the arrow B, The first element piece 5 and the second element piece 6 are separated and the connection is released.

Next, the first element piece 25 and the second element piece 26 on the other connection side shown in FIG. 25 and the second element piece 6 are removed from the watch band as a set. Next, the above procedure is performed in reverse, and the first
By connecting the element piece 5 and the second element piece 26, the length of the watch band can be adjusted.

As described above, when adjusting the length of the watch band, the first element piece and the second element piece are removed as a set. Further, the length of the watch band can be adjusted by removing any number of element pieces from the watch band as necessary by the same procedure. When the length of the watch band is desired to be increased, the adjustment can be easily performed by performing the above procedure in reverse.

In this embodiment, a metal powder injection molded body is used as a watch band piece. However, the watch band piece can also be used for a watch formed by forging or a plastic injection molded as conventionally used. it can.

In this embodiment, the recesses 11a and 11b of the first element piece and the projections 1 of the second element piece are provided.
Reference numerals 0a and 10b are provided so as to face each other substantially in the vicinity of the center in the short direction of the watch band in each element piece, and the watch element is connected to the first element piece and the second element piece. Although the example has been described in which each of the bands is arranged so as to be substantially collinear in the longitudinal direction of the band, the position is not limited to this, and the first element piece and the second element piece are connected. Needless to say, it is only necessary that the concave portion and the projecting portion are arranged at positions where they are engaged with each other.

[0030]

As described above, according to the present invention, the connection shaft of the second element piece is engaged with the connection hole of the first element piece, and the first element piece and the second element piece are alternated. Thus, the watch band can be formed without connecting a large number of connecting members, and the watch band can be easily connected without requiring any special tool. Further, in a state where one of the element pieces is rotated so that the angle between the first element piece 5 and the second element piece 6 becomes substantially a right angle, the first element piece and the second element piece are rotated. Can be separated from each other, and the connection between the element pieces can be easily released. As a result, anyone can easily adjust the length of the watch band without requiring special tools. Further, since a large number of connecting members are not required, it is possible to provide a connecting structure for a watch band piece which is excellent in cost.

[Brief description of the drawings]

FIG. 1 is a diagram showing a connection structure of a watch band piece according to an embodiment of the present invention.

FIG. 2 is a perspective view showing the shapes of a first element piece and a second element piece of the present invention.

FIG. 3 is a plan view and a side view showing a state in which a first element piece and a second element piece of the present invention are connected.

FIG. 4 is a plan view and a side view showing a process of separating a first element piece and a second element piece according to the present invention.

FIG. 5 is a plan view and a side view showing a state where a first element piece and a second element piece of the present invention are separated.

FIG. 6 is a diagram showing a configuration of a watch band according to the related art.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Watch case 2 Connecting foot 2a Recess 3 Band 4 Connecting piece 4a Connecting foot convex part 4b Convex part 4c Notch part 5 First element piece 5a, 5b Convex part 5c Base 6 Second element piece 6a, 6b Notch part 7 Middle clasp 8a, 8b Connection shaft 9a, 9b Connection hole 10a, 10b Projection 11a, 11b Concave part 15 Watch case 16 Connection foot 17 Watch band piece 18a, 18b Convex part 21 Connection member 25 First element piece 26 Second element Element piece of

Claims (4)

[Claims] 1. A connecting structure for a watch band piece in which a number of watch band pieces are rotatably connected to each other, comprising a first element piece and a second element piece, said two element pieces being connected alternately. A connection structure for a watch band piece provided with a connection means and a retaining prevention means for each of the two element pieces, wherein the connection means is such that the first element piece and the second element piece are formed of a watch band. The movement preventing means restricts the movement in the longitudinal direction, and the retaining preventing means restricts the movement in the short direction of the watch band, and the movement of the watch band with respect to one of the first element piece and the second element piece. Then, with the other element piece rotated at a predetermined angle, the retaining prevention means is released, the first element piece and the second element piece are separated from each other in the short direction of the watch band, and the two element pieces are separated. A watch cover characterized in that it is configured to release the connection. The connection structure of the second piece. 2. The first element piece has a crank-shaped planar shape including a projection and a base, and a connection hole as the connection means is provided on a side surface of the projection of the first element piece; The base of the element piece has a concave portion as a stopper preventing means, and the second element piece has a rectangular parallelepiped shape having a notch,
A side surface of the cutout portion of the second element piece has a connection shaft as the connection means, and a protrusion as a stopper preventing means at the tip of the second element piece in the longitudinal direction of the watch band. A connection hole provided in the first element piece and a connection shaft provided in the second element piece, the projection being provided in the first element piece so as to engage with the notch of the second element piece; 2. The connecting structure for a watch band piece according to claim 1, wherein the first element piece and the second element piece are connected by engaging with each other. 3. The retaining device according to claim 1, wherein the first element piece and the second element piece are engaged with the recess of the first element piece and the projection of the second element piece in a state where the first element piece and the second element piece are connected to each other. The other element piece is rotated with respect to the element piece, and in a state where the angle between the first element piece and the second element piece is substantially a right angle, the recess of the first element piece and the second element piece are rotated. 2. The connection structure of a watch band piece according to claim 1, wherein the engagement of the element piece with the projection is released. 4. The length of the watch band is adjusted by attaching and detaching the first and second element pieces to and from a watch band as a set. The connecting structure for a watch band piece according to claim 1.