JPH01244703A - Linkage construction having watch band piece adjusting function - Google Patents

Abstract

PURPOSE:To easily execute the engagement fixation and cancellation between pieces by matching the U-groove part of a pin to the caulking fixing part of a peripheral piece, punching the caulking fixing part on the back surface of the peripheral piece by means of a press, and engaging and fixing a projecting part to the U-groove part. CONSTITUTION:The other edge of a pin 12 is fixed to a fixing hole 11a of a piece 11 so as to step across a linking recessed part 14b by means of a press fit, a caulking, a welding, etc. At such a time, a flat surface 12a at one edge of the pin 12 is fixed in a condition rotated at 90 deg. to the back surface of the piece 11. Next, penetration is executed from one edge of the pin 12 to a penetrating hole 14c of apiece 14 main body, further, one edge of the pin 12 is inserted into a hole 10a in a condition in which the flat surface 12a and a projection 13 formed on the inner wall of the hole 10a of a piece 10 are faced, the piece 10 is rotated by approximately 90 deg., and the projection 13 is engagedly-fixed to a circumferential groove 12b of the pin 12. At the time of adjusting the length of a watch band, the piece 10 or piece 11 are rotated, the flat surface 12a and projection 13 are made into a position relation to be faced to each other the piece 10 and piece 11 are pulled in directions reverse to each other, the engagement fixation is canceled, the piece 14 main body is removed, and the adjustment is executed.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a connection structure with a watch band adjustment function.

[Conventional technology]

As a conventional technology for the bridge connection structure of a watch band,
There is physical strength as shown in Publication No. 3-45065. This known example is shown in FIGS. 9, 10, and 11.

Figure 9 is a back view showing the connected state of the raft-shaped piece band;
The figure is a sectional view of the main part showing the caulking fixing part, and FIG. 11 is a perspective view showing the pin.

The watch band is made up of a medium piece body 1 which is arranged in multiple rows with pins 3 in the holes of the medium-thin medium piece, and edge pieces 2 arranged in parallel on both sides of this medium piece body 10. The U-groove 6a of the pin 3 is aligned with the caulking fixing part 2a of the edge piece 2, and the caulking fixing part 2a on the back side of the edge piece 2 is pressed with a press, and the protrusion 2b is engaged and fixed in the U-groove 6a.

[Problem to be solved by the invention]

However, in the prior art, when adjusting the length of the band, the edge piece cannot be removed, and the adjustment function must be provided in another piece or a clasp.

If this adjustment structure does not exist, the edge pieces would have to be removed from the pins with a bench or the like, which would be impractical.

Furthermore, the engagement and fixation of the pin and the edge piece must be performed by caulking using a press or the like, which poses a problem in the ease of assembling the band.

An object of the present invention is to solve the above-mentioned problems of the conventional art, and to make it possible to easily fix and release the engagement between pieces, to easily adjust the length of the band (1), and to easily procure the color of the pieces and change the pattern of the pieces. This provides a connection structure with a watch band piece adjustment function.

[Means to solve the problem]

The configuration of the present invention is such that in a band connection structure in which piece bodies consisting of one piece and another piece are connected by a pin, the piece body has a connecting convex portion at one end in the longitudinal direction of the band and a connecting convex portion at the other end. The other end of the pin, which has a flat surface on a part of one end and a circumferential groove continuous to the flat surface, is connected to the other piece so as to straddle the connecting recess. One piece has a hole into which one end of the pin is inserted in the widthwise direction of the band, and a protrusion that engages with the circumferential groove is formed on the inner wall of the hole. One end of the pin is inserted into the hole with the protrusion facing the protrusion, and by rotating the one piece or the other piece, the protrusion is engaged and fixed in the circumferential groove, and the piece body is sequentially fixed. It is a concatenation of

Further, by arranging at least one middle piece between one piece and the other piece, design variations can be expanded.

〔Example〕

Hereinafter, embodiments of the present invention will be described in detail based on the drawings.

Figures 1 to 3 show the first embodiment of the present invention; Figure 1 is a rear perspective view showing the connected state of the watch band, Figure 2 is a perspective view showing the piece assembly, and Figure 3 is the circumference of the pin. FIG. 3 is a cross-sectional view of a main part showing a state in which a protrusion on the inner wall of a hole of one piece is engaged with a shaped groove.

The piece body 14 is made up of one piece 10 and the other piece 11, which are symmetrically arranged. Further, the piece body 14 has a convex portion of one piece 10 at one end in the longitudinal direction of the band, and a convex portion of the piece 11 on the other side.
The connecting convex portion 14a is formed by a convex portion of the connecting convex portion 14a, and the connecting concave portion 14b is formed by a notch of one piece 10 and a notch of the other piece 11 at the other end, into which the connecting convex portion 14a is inserted.

Furthermore, a through hole 14C is formed in the connecting convex portion 14a, passing through the band in the lateral direction. In addition, the connecting recess 14b
In the cutout of each piece, there is a hole 10a in the short direction of the band of one piece 10, and a protrusion 16 on the inner wall of the hole 10a.
A fixing hole 11a is formed in the other piece 11 at a position opposite to the hole 10a in the widthwise direction of the band.

The pin 12 that engages and fixes one piece 10 and the other piece 11 and connects the piece body 14 is cylindrical and extends from one end to a flat surface 12a on the cylindrical surface and continues to the flat surface 12a. A shaped groove 12b is formed.

Next, the engagement and fixation of one piece 10 and the other piece 11, and the connection structure and connection method of the piece main body 14 will be explained.

The other end of the pin 12 is fixed to the fixing hole 11a of the other piece 11 by a general method such as press-fitting, caulking, welding, etc. so as to straddle the connecting recess 14b. At this time, the flat surface 12a at one end of the pin 12 is fixed to the back surface of the other piece 11 in a 90° rotated state. Next, one end of the pin 12 fixed to the other piece 11 is inserted into the through hole 14C of the piece body 14, and then a protrusion 16 formed on the flat surface 12a of the pin 12 and the inner wall of the hole 10a of one piece 10 is inserted. (One piece 1
It is formed from the back side of 0 toward the front side. ) is facing each other, insert one end of the pin 12 into the hole 10a, rotate one piece 10 about 90 degrees, and insert the protrusion 13 into the hole 10a.
is engaged and fixed in the circumferential groove 12b.

In the manner described above, one piece 10 and the other piece 11 are engaged and fixed by the pin 12 to form the piece body 14, and the connecting protrusion 14a of the piece body 14 is successively connected to the connecting recess 14b of the piece body 14. A watch band with a bridge adjustment function is completed.

The inner diameter of the hole 10a from the tip of the protrusion 16 is slightly larger than the outer diameter from the flat surface 12a of one end of the pin 12.
It is made smaller than the outer diameter of 2.

Therefore, one end of the pin 12 is connected to the hole 10a of one piece 10.
When inserting into the holder, it can be inserted only when the flat surface 12a and the protrusion 13 are facing each other, and cannot be inserted in any other positional relationship.

Further, the protrusion 16 passes through the flat surface 12a and the circumferential groove 12
At position b, move one piece 10 or the other piece 11 approximately 90 degrees.
By rotating it, it is engaged and fixed in the circumferential groove 12b, and one piece 10 will not come off from the pin 12.

In addition, when adjusting the length of this watch band, it is sufficient to perform the opposite procedure when the one piece 10 and the other piece 11 are engaged and fixed, that is, one piece 10 or the other piece 11 After rotating the flat surface 12a of the pin 12 and the protrusion 16 of one of the pieces 10,
This is done by pulling one piece 10 and the other piece 11 in opposite directions to release the engagement and fixation, and then removing the piece body 14.

As described above, it is possible to connect and disconnect the piece bodies 14 more easily than before.

Note that the flat surface 1 of the pin 12 fixed to the other piece 11
Regarding the positional relationship between 2a and the protrusion 16 formed on the inner wall of the hole 10a of one piece 10, when the other piece 11 and one piece 10 are on the same plane, the flat surface 12a and the protrusion 13 are It goes without saying that it is fine as long as they do not have an opposing positional relationship, and a positional relationship other than the first embodiment described above may be used.

The protrusions 16 can be formed by punching or pressing, by pins, by screws, or the like.

Next, FIG. 4 is a plan view showing a watch band according to a second embodiment.

In the first embodiment, one piece 1 constituting the piece body 14
0 and the other piece 11 were almost symmetrical, whereas in the second embodiment, one piece 15 and the other piece 16 are asymmetrical, and one piece forming the piece body 17 The position of the contact surface in the longitudinal direction of the band between one piece 15 and the other piece 16 is shifted from the center to one side in order to expand design variations.

Note that the structure and method of engaging and fixing one piece 15 and the other piece 16 and connecting the piece bodies 17 are the same as in the first embodiment, so a description thereof will be omitted.

Next, FIGS. 5 and 6 show a third embodiment of the present invention, and a fifth embodiment of the present invention is shown in FIGS.
The figure is a plan view of a watch band with a middle piece disposed between one piece and the other piece, and FIG. 6 is a perspective view showing the piece assembly.

The piece body 21 has a middle piece 20 arranged between one piece 18 and the other piece 19, and a convex part of one piece 18, a convex part of the middle piece 20 and the other piece 19 at one end in the longitudinal direction of the band. A connecting convex portion 21a formed by a convex portion and a connecting concave portion 21b formed by a notch of one piece 18, an end of the middle piece 20, and a notch of the other piece 19 are formed at the other end.

Furthermore, a through hole 21C is formed in the connecting convex portion 21a, passing through the band in the lateral direction. Also.

The middle piece 20 is connected to the other piece 19 by a connecting bottle 22 or the like in the band width direction at the opposite end where the through hole 21C is formed.
Or connected to one piece 18.

In addition, in the notch of each piece in which the connecting recess 21b is formed, there is a hole 18a and a pattern hole 1 in the short side direction of the band of one piece 18.
A protrusion 66 is formed on the inner wall of the piece 8a, and the other piece 19
A fixing hole 19a is formed at a position opposite to the hole 18a in the lateral direction of the band.

The pin 26 that engages and fixes one piece 18 and the other piece 19 and connects the piece body 21 is cylindrical and has a flat surface 23a extending from one end to the cylindrical surface and a circumferential shape continuous to the flat surface 23a. A groove 23b is formed.

Next, the engagement and fixation of one piece 18 and the other piece 19, and the connection structure and connection method of the piece main body 21 are the same as in the first embodiment described above, and will therefore be briefly described.

The other end of the pin 23 is fixed to the fixing hole 19a of the other piece 19 so as to straddle the connecting recess 21b. Next, from one end of the pin 23 fixed to the other piece 19, the piece body 210 is
Insert into the through hole 21C, and then insert the flat surface 2 of the pin 26.
3a and the protrusion 3 formed on the inner wall of the hole 18a of one piece 18.
6 are opposed to each other, one end of the pin 26 is inserted into the hole 18a, and one piece 18 is rotated to engage and fix the protrusion 66 with the circumferential R23b of the pin 23.

As described above, one piece 18 and the middle piece 2 are connected by the pin 23.
0 and the other piece 19 are engaged and fixed to form a piece body 21, and the connecting protrusion 21a of the piece body 21 is successively connected to the connecting recess 21b of the piece body 21, thereby providing a piece adjustment function in which a middle piece is arranged. The watch band is completed.

As described above, in the third embodiment, one middle piece 2 is provided in the piece body 21.
It has a structure in which 0 is arranged.

Next, FIG. 7 is a plan view of a watch band according to a fourth embodiment of the present invention, in which a bridge body provided with a center bridge and a bridge body without a center bridge are alternately connected.

In the third embodiment, the piece bodies 21 with the middle piece 20 arranged between one piece 18 and the other piece 19 were sequentially connected, whereas in the fourth example, one piece 27 A piece body 30 with a middle piece 29 arranged between the pieces 28 and the other piece 28, and a piece body 26 consisting of one piece 24 and the other piece 25 are alternately connected by pins (not shown). be.

Furthermore, the middle piece 29 can be connected using a connecting pin 2 as in the third embodiment.
2 is not used, one piece is 24.27 and the other piece is 25.
28 and a pin connecting the bridge body 30 and the bridge body 26 at the same time.

Note that the structure for engaging and fixing one piece 24, 27 with the other piece 25, 28 and connecting the piece body 30 and piece body 26 is the same as in the first and third embodiments, so explanations will be omitted. Omitted.

Next, FIG. 8 is a plan view of a watch band according to a fifth embodiment of the present invention, in which two middle pieces of approximately the same shape as each piece are arranged between one piece and the other piece. .

In the first embodiment, the piece bodies 14 made up of one piece 10 and the other piece 11 were connected sequentially, whereas in the fifth example, the connection between one piece 61 and the other piece 62 was A piece main body 65 in which two middle pieces 36 and 64 having substantially the same shape as each piece are arranged is connected by a pin (not shown).

Moreover, the connection of the middle pieces 66 and 64 does not require the use of the connection pin 22 as in the third embodiment, and the pins that connect one piece 61 and the other piece 62 and the piece body 65 are used at the same time. Let's do it.

Furthermore, an even number of middle pieces, such as four or six pieces, can be arranged, and the same middle pieces can be easily made in different colors or have different patterns on the surface. As a result, it is possible to expand the design variations of one watch band.

Note that the structure and method for engaging and fixing the one piece 31 and the other piece 62 and connecting the piece bodies 35 are the same as those in the first and third embodiments, so explanations thereof will be omitted.

〔Effect of the invention〕

As is clear from the above description, according to the present invention, the protrusion formed on the inner wall of the hole of one piece is connected to the circumferential groove of the pin fixed to the other piece to rotate one piece or the other piece. Since the structure is such that the pieces are engaged and fixed, and the piece bodies are sequentially connected, it is easy to engage and fix one piece and the other piece and connect the piece bodies, and also to release it, making it easy to adjust the length of the band. Can be done.

Further, since no holes are formed on either side of the watch band in the longitudinal direction, a watch band with a good appearance and a high-class feel can be obtained.

Furthermore, since one piece, the other piece, and the middle piece can be individually processed, watch bands with different colors or different surface patterns can be easily made. Furthermore, since multiple middle pieces of various shapes can be attached, design variations can be expanded.

[Brief explanation of the drawing]

1 to 3 show a first embodiment of the present invention, in which FIG. 1 is a perspective view of the back of the watch band, FIG. 2 is a perspective view showing the piece assembly,
Fig. 3 is a cross-sectional view of main parts showing the engaged state of the pin and the piece, Fig. 4 is a second embodiment of the present invention, a plan view of the watch band, and Figs. 5 and 6 are a third embodiment of the present invention. 5 is a plan view of the watch band, FIG. 6 is a perspective view showing the piece assembly, FIG. 7 is a plan view of the watch band according to the fourth embodiment of the present invention, and FIG. 8 is a plan view of the watch band according to the fourth embodiment of the present invention. In the fifth embodiment, a plan view of the watch band, FIGS. 9 to 11 are conventional examples, and FIG. 9 is a back view of the raft-shaped piece band.
FIG. 10 is a cross-sectional view of the main part showing the caulking fixing part, and FIG. 11 is a perspective view showing the pin. 10.15.18.24.27.61... One piece, 10 a, 18 a... Hole, 11.16.
19.25.28.62...Other piece, 11a, 19a...Fixing hole, 12.23...Bin, 12a, 23a...Flat Surface, 12b, 23
b... Circumferential groove, 13.36... Protrusion, 14.17.21.26.60.65... Piece body, 1
4a, 21a...Connection protrusion, 14b, 21b.
...Connection recess, 14c, 21c...Through hole, 20.29.66.64...Middle piece, 22...
...Connected bottle. 3g1 13th time; t-4th time 54th time; 4-6th time

Claims (5)

[Claims] (1) In a band connection structure in which piece bodies consisting of one piece and the other piece are connected by a pin, the piece body is
A connecting convex portion is formed at one end in the longitudinal direction of the band, and a connecting concave portion into which the connecting convex portion is received is formed at the other end, and the pin has a flat surface on a part of the one end and a circumferential groove continuous to the flat surface. The other end is fixed to the other piece so as to straddle the connecting recess, and one piece has a hole in which one end of the pin is inserted in the width direction of the band, and a circumferential groove formed on the inner wall of the hole. A protrusion is formed to engage with the protrusion, and by inserting one end of the pin into the hole with the flat surface and the protrusion facing each other, and rotating the one piece or the other piece, the A connection structure with a watchband piece adjustment function, characterized in that a protrusion is engaged and fixed in the circumferential groove to sequentially connect the piece bodies. (2) The connection structure with a watchband piece adjustment function according to claim 1, wherein the position of the contact surface between one piece and the other piece in the band longitudinal direction is shifted from the center to one side. (3) The connection structure with a watchband piece adjustment function according to claim 1, wherein at least one middle piece is disposed between one piece and the other piece. (4) The watchband piece adjustment function according to claim 1, wherein a piece body having a middle piece arranged between one piece and the other piece and a piece body consisting of one piece and the other piece are alternately connected. Connected structure. (5) The connection structure with a watch band piece adjustment function according to claim 1, wherein an even number of two or more middle pieces having substantially the same shape as each piece is arranged between one piece and the other piece.