JPH0716446B2 - Connection structure with watch band piece adjustment function - Google Patents

Description

The present invention relates to a connecting structure with a piece adjusting function for a watch band.

[Conventional technology]

As a conventional technique for connecting the pieces of the watch band, the actual construction is Shokai Sho 53.
There is a thing like the one shown in the publication of -45065. This publicly known example
Shown in Figures, 10 and 11.

FIG. 9 is a rear view showing a connected state of the raft-shaped piece band, FIG. 10 is a cross-sectional view of a main portion showing a caulking fixing portion, and FIG. 11 is a perspective view showing a pin.

The watch band is composed of a center piece body 1 which is knitted in a plurality of rows with pins 3 in a hole of a narrow middle piece, and edge pieces 2 which are arranged side by side on both sides of the center piece body 1. The U-shaped groove 3a of the pin 3 is aligned with the caulking fixing portion 2a of the piece 2, and the caulking fixing portion 2a on the back surface of the edge piece 2 is pressed by a press, and the protrusion 2b is engaged with and fixed to the U-shaped groove 3a.

[Problems to be Solved by the Invention]

However, in the prior art, the edge piece cannot be removed when adjusting the length of the band, and other pieces or Nakadome have to have an adjusting function.

If this adjustment structure is not provided, it is impractical because the edge piece must be removed from the pin by a tool such as a punch to the sword. Furthermore, the pin and the edge piece must be fixed by crimping with a press or the like, which causes a problem in the assembling property of the band.

An object of the present invention is to solve the above-mentioned problems of the related art, to easily fix and disengage the pieces from each other, to easily adjust the length of the band, and to easily change the color tone of the pieces and the pattern of the pieces. It provides a connection structure with a watch band piece adjustment function.

[Means for Solving the Problems]

 The configuration of the present invention is as follows.

The piece main body is composed of one piece and the other piece arranged in parallel in the lateral direction of the band, and a connecting convex portion is formed at one end in the band longitudinal direction of the piece main body, and a connecting concave portion is formed at the other end. In a band connection structure in which a connecting convex portion of the piece main body adjacent to a connecting concave portion of the piece main body is inserted and sequentially connected, a through hole is formed in a lateral direction of the band of the connecting convex portion, and one of the connecting concave portions is formed. A piece and a hole are provided at opposite positions of the other piece, respectively, and a flat surface is formed at a part of one end of the pin that is inserted into the through hole of the adjacent piece body and the hole of the connecting recess to connect both piece bodies. A circumferential groove is formed continuously on the flat surface, and the other end of the pin is fixed to the hole of the other piece so as to straddle the coupling recess, and the inner wall of the hole of the one piece is formed. The protrusion is formed, and further, the flat surface and the One end of the pin is inserted into the hole in a state where the uprights face each other, and the one piece and the other piece are angularly displaced with respect to each other about the pin, thereby forming the one piece and the other piece. In a substantially flat state, the protrusion is engaged and fixed in the circumferential groove, and the piece main bodies are sequentially connected.

〔Example〕

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

1 to 3 show a first embodiment of the present invention. FIG. 1 is a rear perspective view showing a connected state of a watch band, FIG. 2 is a perspective view showing a piece assembly, and FIG. 3 is a circumference of a pin. It is a principal part sectional view which shows the state which the protrusion of the hole inner wall of one piece had engaged with the groove.

The piece main body 14 is composed of one piece 10 and the other piece 11 that are substantially symmetrical. Further, the piece main body 14 has a connecting convex portion 14a formed by a convex portion of one piece 10 and a convex portion of the other piece 11 at one end in the band longitudinal direction, and a notch of the one piece 10 at the other end and a connecting convex portion 14a at the other end. The connecting convex portion 14a formed by the notch of the piece 11
And a connection recess 14b into which

Further, the connecting convex portion 14a is formed with a through hole 14c penetrating in the lateral direction of the band. Further, in the notch of each piece in which the connection concave portion 14b is formed, a hole 10a and a protrusion 13 are formed on the inner wall of the hole 10a in the band short direction of one piece 10, and the band short of the other piece 11 is formed. A fixing hole 11a is formed at a position facing the hole 10a in the hand direction.

One piece 10 and the other piece 11 are engaged and fixed, and the piece body
The pin 12 that connects the 14 is cylindrical and has a flat surface 12a on the cylindrical surface from one end portion and a circumferential groove 12b that is an engaging portion continuously inside the flat surface 12a.

Next, the engaging and fixing of one piece 10 and the other piece 11 and the piece body
The connection structure and connection method of 14 will be described.

The other end of the pin 12 has the other piece 1 so as to straddle the connection recess 14b.
It is fixed to the first fixing hole 11a by a general method such as press fitting, crimping, welding or the like. At this time, the flat surface 12 at one end of the pin 12
The a is fixed in a state of being rotated by 90 ° with the back surface of the other piece 11. Next, one end of the pin 12 fixed to the other piece 11 is inserted into the through hole 14c of the adjacent piece body 14, and the pin 1
One end of the pin 12 in a state in which the flat surface 12a of the second piece 2 and the projection 13 formed on the inner wall of the hole 10a of the one piece 10 (formed from the back surface of the one piece 10 toward the surface direction) face each other. Is inserted into the hole 10a, one of the pieces 10 is rotated by about 90 °, and the projection 13 is engaged and fixed to the circumferential groove 12b which is the engaging portion of the pin 12. At this time, the surfaces of the one piece 10 and the other piece 11 are flat.

As described above, one piece 10 and the other piece 11 are connected by the pin 12.
And the fixed main body 14 by engaging and fixing
The connecting convex portion 14a of 14 is sequentially connected to the connecting concave portion 14b of the piece main body 14 to complete the timepiece band with a piece adjusting function.

The inner diameter of the hole 10a from the tip of the protrusion 13 is slightly larger than the outer diameter from the flat surface 12a at one end of the pin 12 and smaller than the outer diameter of the pin 12.

Therefore, one end of the pin 12 is connected to the hole 10a of the one piece 10.
When it is inserted into, the flat surface 12a formed at the end and the projection 13 can be inserted only in a state of facing each other, and cannot be inserted in any other positional relationship.

Further, the protrusion 13 passes through the flat surface 12a, and at the position of the circumferential groove 12b, one piece 10 or the other piece 11 is rotated by about 90 ° to be engaged and fixed to the circumferential groove 12b, and the one piece 10 And the other piece 1
Prevents 1 from displacing in the lateral direction of the band. That is, the one piece 10 does not come off the pin 12.

Further, when adjusting the length of this watch band, it is sufficient to perform the opposite operation when the one piece 10 and the other piece 11 are engaged and fixed, that is, one piece 10 or the other piece 11 is fixed.
Is rotated to angularly displace the flat surface 12a of the pin 12 and the projection 13 of the one piece 10 so as to face each other, and then the one piece 10 and the other piece 11 are pulled in opposite directions to release the fixed engagement. Then, the piece main body 14 is removed.

As described above, the connection of the piece main body 14 and the disconnection of the piece main body 14 can be performed more easily than before.

Regarding the positional relationship between the flat surface 12a of the pin 12 fixed to the other piece 11 and the protrusion 13 formed on the inner wall of the hole 10a of the one piece 10, the other piece 11 and the one piece 10 are It goes without saying that when the flat surface 12a and the protrusion 13 are in the same plane, it is not necessary that the flat surface 12a and the projection 13 face each other.
A positional relationship other than the embodiment may be used. Further, the pin 12 is fixed in the hole 10a of one piece 10 and the protrusion 13 is formed in the other piece 1.
It may be done in the first fixing hole 11a.

The method of forming the protrusions 13 includes punching, pressing, a pin, a screw, and the like. Further, in addition to the flat surface 12a formed at one end of the pin 12, a groove is formed in the band short direction from the end of the pin,
You may provide a notch etc.

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

In the first embodiment, one piece 10 and the other piece 11 constituting the piece body 14 are substantially symmetrical, whereas in the second embodiment, one piece 15 and the other piece 16 are arranged. Is asymmetrical, and one piece 15 and the other piece that make up the piece body 17
The position of the contact surface with the 16 in the longitudinal direction of the band is shifted to one side from the center to expand the design variation.

The one piece 15 and the other piece 16 are fixedly engaged and the piece body 17 is fixed.
Since the structure and the connecting method for connecting are similar to those in the first embodiment, the description thereof will be omitted.

Next, FIGS. 5 and 6 show a third embodiment of the present invention.
FIG. 6 is a plan view of a timepiece band in which a middle piece is arranged between one piece and the other piece, and FIG. 6 is a perspective view showing piece assembly.

In the piece main body 21, the middle piece 20 is disposed between one piece 18 and the other piece 19, and the convex portion of the one piece 18, the middle piece 20 and the other piece 19 are provided at one end in the band longitudinal direction. The connecting convex portion 21a formed by the convex portion and the connecting concave portion 21b formed by the notch of the one piece 18, the end portion of the middle piece 20 and the notch of the other piece 19 at the other end.

Further, a through hole 21c penetrating in the lateral direction of the band is formed in the connecting convex portion 21a. The middle piece 20 has a through hole 21c.
Is connected to the other piece 19 or one piece 18 by a connecting pin 22 or the like in the lateral direction of the band at the end opposite to that formed with.

Further, in the notch of each piece in which the connection recess 21b is formed, a hole 18a and a protrusion 36 are formed on the inner wall of the hole 18a in the band lateral direction of one piece 18, and the band short of the other piece 19 is formed. A fixing hole 19a is formed at a position facing the hole 18a in the hand direction.

The one piece 18 and the other piece 19 are engaged and fixed, and the piece body 21
The pin 23 that connects the two is cylindrical and has a flat surface 23a on the cylindrical surface from one end and a circumferential groove 23b that is an engaging portion continuously inside the flat surface 23a.

Next, the one piece 18 and the other piece 19 are fixedly engaged and the piece body is fixed.
The connection structure and connection method of 21 are the same as those in the first embodiment described above, and thus will be briefly described.

The other end of the pin 23 is placed on the other piece 1 so as to straddle the connecting recess 21b.
It is fixed to the fixing hole 19a of 9. Next, the through hole 21 of the piece main body 21 adjacent to one end of the pin 23 fixed to the other piece 19
Insert into the c, and further, the flat surface 23a of the pin 23 and one piece 18
One end of the pin 23 is inserted into the hole 18a with the projection 36 formed on the inner wall of the hole 18a facing each other, and one piece 18 is rotated to rotate the projection 36 into a circumferential groove 23b which is an engaging portion of the pin 23. To engage and fix. At this time, the surfaces of the one piece 18 and the other piece 19 are flat.

As described above, the one piece 18, the middle piece 20, and the other piece 19 are engaged and fixed by the pin 23 to form the piece main body 21, and the connecting convex portion 21a of the adjacent piece main body 21 is connected to the piece main body 21. A watch band with a piece adjusting function, which is sequentially connected to the connecting recess 21b and in which a middle piece is arranged, is completed.

As described above, the third embodiment has a structure in which one middle piece 20 is arranged in the piece body 21.

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

In the third embodiment, the piece main body 21 having the intermediate piece 20 arranged between the one piece 18 and the other piece 19 is sequentially connected,
In the fourth embodiment, a piece body 30 in which a middle piece 29 is arranged between one piece 27 and the other piece 28 and a piece body 26 composed of one piece 24 and the other piece 25 are alternately arranged. Is connected by a pin (not shown).

Further, the connection of the middle piece 29 does not use the connecting pin 22 as in the third embodiment, but the engagement and fixing of the one piece 24, 27 and the other piece 25, 28 and the piece body 30 and the piece body 26. It is done at the same time with the pin connecting with.

Incidentally, the structure for engaging and fixing the one piece 24, 27 with the other piece 25, 28 and connecting the piece body 30 with the piece body 26 is the same as in the first and third embodiments, and therefore the description will be omitted. Omit it.

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

In the first embodiment, the piece main body 14 composed of one piece 10 and the other piece 11 is connected in sequence, whereas in the fifth embodiment, the piece body 31 between one piece 31 and the other piece 32 is connected. In addition, a piece main body 35 in which two middle pieces 33, 34 having substantially the same shape as each piece are arranged is connected by a pin (not shown).

Further, the connection of the middle pieces 33, 34 is made by connecting pins 2 as in the third embodiment.
The second piece is not used, and it is carried out at the same time by engaging and fixing one piece 31 and the other piece 32 and a pin connecting the piece body 35.

Further, the middle piece can be provided in an even number such as four pieces or six pieces, so that it is possible to easily make a difference in color and a difference in pattern on the surface of the middle piece. As a result, the design variations of the watch band can be expanded.

The one piece 31 and the other piece 32 are fixedly engaged and the piece main body 35 is provided.
Since the structure and the connecting method for connecting are similar to those in the first and third embodiments, the description thereof will be omitted.

〔The invention's effect〕

As apparent from the above description, according to the present invention, the protrusion formed on the inner wall of the hole of one piece is provided in the circumferential groove which is the engaging portion of the pin fixed to the other piece. Since the pieces are engaged and fixed by angularly displacing them by rotation, and the piece bodies are sequentially connected, the engagement and fixation of one piece and the other piece and the connection of the piece body can be easily performed and released. The length of the band can be easily adjusted.

Further, since no holes are formed on both sides of the watch band in the longitudinal direction, a watch band with a good-looking and high-class feeling can be obtained.

Further, since one piece, the other piece, and the middle piece can be individually manufactured, it is possible to easily make a watch band having different colors or different patterns on the surface. Further, since it is possible to attach a plurality of middle pieces of various shapes, it is possible to expand design variations.

In addition, since one piece and the other piece are engaged and fixed one by one, the piece bodies are firmly connected one after another, so careless application of force may cause the watch band being assembled by mistake. There is no need to worry about dismantling one piece and the other piece. That is, the watch band can be assembled easily and surely.

Further, since the watch band is not disassembled unless one of the one piece and the other piece is rotated, there is no fear that the timepiece band whose length is being adjusted is disassembled into one piece and the other piece by mistake. That is, the length of the watch band can be easily and reliably adjusted.

Further, since the one piece and the other piece are prevented from being displaced in the lateral direction of the band, there is no gap between the one piece and the other piece, so that the watch band It looks good.

Further, since the one piece and the other piece are engaged and fixed by the circumferential groove of the pin and the projection of the hole, there is no fear of the pin coming off the hole. Therefore, one piece and the other piece, and the piece body and the piece body can be firmly connected.

It is only necessary to fix the pin to the other piece by press fitting, etc. It is not necessary to fix the pin to both one piece and the other piece, so the piece body is easy to fabricate, and the watch band is inexpensive. Can be

Since the other piece and the pin are fixed, you do not have to worry about losing the pin when assembling the watch band or adjusting the length.

[Brief description of drawings]

1 to 3 show a first embodiment of the present invention, in which FIG. 1 is a rear perspective view of a watch band, and FIG. 2 is a perspective view showing a piece assembly,
FIG. 3 is a sectional view of an essential part showing an engaged state of a pin and a bridge, FIG. 4 is a second embodiment of the present invention, a plan view of a watch band, and FIGS. 5 and 6 are a third embodiment of the present invention. FIG. 5 is a plan view of the watch band, FIG. 6 is a perspective view showing the assembly of the pieces, FIG. 7 is a fourth embodiment of the present invention, and a plan view of the watch band is shown in FIG. 5 is a plan view of a watch band, FIGS. 9 to 11 are conventional examples, and FIG. 9 is a back view of a raft-shaped piece band.
FIG. 10 is a cross-sectional view of an essential part showing a caulking fixing portion, and FIG. 11 is a perspective view showing a pin. 10,15,18,24,27,31 …… One piece, 10a, 18a …… Hole, 11,1
6,19,25,28,32 …… Other piece, 11a, 19a …… Fixing hole, 12,2
3 …… pin, 12a, 23a …… flat surface, 12b, 23b …… circumferential groove, 13,36 …… projection, 14,17,21,26,30,35 …… piece body, 14
a, 21a ... connecting convex part, 14b, 21b ... connecting concave part, 14c, 21c ...
… Through holes, 20, 29, 33, 34 …… Middle piece, 22 …… Connecting pin.

Claims (3)

[Claims] 1. A piece main body is composed of one piece and the other piece arranged side by side in the lateral direction of the band, wherein a connecting convex portion is formed at one end of the piece main body in the band longitudinal direction and a connecting concave portion is provided at the other end. In the band connecting structure in which the connecting convex portion of the piece main body adjacent to the connecting concave portion of the piece main body is inserted and sequentially connected, the through hole in the band short direction of the connecting convex portion and the connecting concave portion are formed. Forming one piece and a hole at the opposite position of the other piece, respectively, and a part of one end of a pin that is inserted into the through hole of the adjacent piece body and the hole of the connecting recess to connect both piece bodies Has a flat surface and a circumferential groove connected to the flat surface, and the other end of the pin is fixed to the hole of the other piece so as to straddle the connection recess.
A protrusion is formed on the inner wall of the hole of the one piece, and further, one end of the pin is inserted into the hole in a state where the flat surface and the protrusion face each other. By angularly displacing the pieces with respect to each other about the pin, the projections are engaged and fixed in the circumferential groove with the one piece and the other piece being substantially flat, and the piece bodies are sequentially connected. A connecting structure with a watch band piece adjusting function, which is characterized in that. 2. A timepiece according to claim 1, wherein a piece body having a middle piece arranged between one piece and the other piece and a piece body composed of one piece and the other piece are alternately connected. Connection structure with band piece adjustment function. 3. A watch band piece adjusting connection structure according to claim 1, wherein two or more middle pieces having substantially the same shape as each piece are arranged between one piece and the other piece.