JPH11244012A - Strap used for wrist watch or the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a strap which has a simple constitution with a reduced number of parts, can be easily worked and fabricated at a reduced cost, and used for wrist watch or the like. SOLUTION: This strap consists of a certain number of blocks 12 and a certain number of connecting pieces 15 to connect the blocks 12 in the front and back direction. Penetrating holes 13 through which the connecting pieces are inserted with a play are formed in the front and back direction of the blocks 12. A hooking part 17 and an engaging hollow part 16 which are loosely fitted to each other are continuously provided on the face side of one end and the back side of the other end in the longitudinal direction of the connecting parts 15. The blocks 12 are connected with the connecting pieces freely foldably to some extent by successively fitting the hooking part 17 of the back connecting piece to the engaging hollow part 16 of the front connecting piece 15, and inserting the fitted parts 16 and 17 into the penetrating hole 13 of the block 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a band used for a wristwatch or the like, and more particularly, to a band in which a required number of pieces are connected in a bendable manner so as to fit an arm or the like with a connecting tool.

[0002]

2. Description of the Related Art Conventionally, this type of band is disclosed in, for example, Japanese Utility Model Laid-Open No. 63-120910 and Japanese Patent Laid-Open No. 1-63.
As can be seen in JP-A-413-413, etc., usually, connecting pieces (connecting tools) are inserted into a roughly flat edge piece while sequentially adding the connecting pieces to connect the edge pieces.

[0003]

However, in the conventional band as described above, the connecting pieces are connected by pins so that the connecting pieces and the edge pieces can be appropriately bent. Techniques such as devising the shape of the piece and inserting a pin between the connecting piece and the edge piece are adopted.However, in the conventional method, the number of parts increases, the shape of the connecting piece becomes complicated, and high dimensions are used. There have been problems that precision is required, processing and assembly are troublesome, and costs are high.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems. It is an object of the present invention to reduce the number of parts, to provide a simple configuration, and to facilitate processing and assembly. An object of the present invention is to provide a band that can be manufactured at low cost and that is used for a wristwatch or the like.

[0005]

In order to achieve the above object, a band used in a wristwatch or the like according to the present invention has a required number of pieces and a required number of roughly pin-shaped pieces for connecting the pieces in the front-rear direction. Or a plate-like connector, and an insertion hole through which the connector is loosely inserted is formed in the front-rear direction of the piece, and the front side of one end in the front-rear direction of the connector and the back side of the other end are respectively formed. A hook portion and a locking concave portion which are loosely fitted to each other are successively provided, and the hook portion of the rear connecting device is sequentially fitted to the locking concave portion of the front connecting device, and the fitting portion is By inserting the pieces so as to fit in the insertion holes, the pieces are connected so as to be appropriately bent by the connection tool.

[0006] In the band of the present invention, the shape of the piece is not limited, but it is preferably substantially flat in consideration of attaching it to an arm or the like. In a preferred aspect of the present invention, the insertion piece having a circular cross section is formed at two places on the left and right sides of the piece, and the connecting tool is a pin-shaped object having a substantially circular cross section.
In another preferred embodiment, the insertion hole having a rectangular cross section is formed in the center of the piece, and the connecting member is a substantially plate-like object.

[0007] In the band used in the wristwatch or the like according to the present invention having such a configuration, when the band is assembled, the hook portion of the rear connection tool is fitted into the locking recess of the front connection tool. At the same time, the fitting portion is inserted so as to fit into the insertion hole of the piece. In this case, there is some play between the connection tool and the insertion hole, and
Since the locking concave portion and the hook portion are loosely fitted, the front and rear connectors can be bent in the shape of a "ku" in the insertion hole. Since the engaging concave portion of the front connector and the hook of the rear connector abut against the insertion hole, as long as the fitting portion is in the insertion hole, the fitted state is not released,
Accordingly, the connectors remain connected, and the required number of pieces are connected to bendable by these connectors.

Therefore, the band of the present invention does not require pins or the like for connection between the connectors, and it is only necessary to connect the hook portion and the locking concave portion to the connector, so that the number of parts is reduced. Thus, since it is only necessary to fit the engaging concave portion of the connecting tool and the hooking portion and insert it into the insertion hole, processing and assembling can be easily performed and the device can be manufactured at low cost.

[0009]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. 1 to 3 show a first embodiment of a band 10 used for a wristwatch or the like according to the present invention. The band 10 in the illustrated example is provided for a wristwatch, and is interposed between the forked connecting portion 2 of the watch main body 1 and, for example, a one-touch two-folded center clasp (not shown). Has become.

[0010] Between the forked connecting portion 2 of the timepiece body 1, the leading can piece 3 is connected by a spring bar 5. A hole 2 a for supporting both ends of the spring bar 5 inside the forked connecting portion 2,
2a is formed, and the front can piece 3 is formed with a lateral hole 3a into which the spring bar 5 is inserted, and is used to lock one end (front end) of the band 10 of the present embodiment. A lateral hole 3b into which the hairpin 7 is inserted is formed.

The band 10 of the present embodiment has a required number of pieces 12, 12,...
.. Are composed of a required number of pin-shaped connecting members 15, 15,. Insertion holes having a circular cross section having a diameter larger than the cross-sectional outer diameter of the pin-shaped connector 15, into which the pin-shaped connector 15 is loosely inserted at two positions on the left and right along the front-rear direction (longitudinal direction) of the piece 12. 13, 13 are formed in parallel.

The front side of the one end of the pin-shaped connector 15 in the front-rear direction (longitudinal direction) and the back side of the other end, ie, 18
A hook portion 17 and a locking concave portion 16 that are loosely fitted to each other are provided continuously at the 0-degree rotationally symmetric position. In such a band 10, as can be clearly understood by referring to FIG. 3 in addition to FIGS.
5 and the hooking portion 17 of the rear pin-shaped connector 15 is fitted into the locking recess 16 and the fitting portion (1
6) and 17) are inserted into the insertion holes 13, 13 provided at two places on the left and right of the piece 12. Here, depending on the relationship between the depth of the locking concave portion 16 and the height of the hooking portion 17, the outer diameter of the fitting portion (16, 17) is substantially equal to or smaller than the outer diameter of the pin-shaped connector 15. Are small and the pieces 12, 12,...
Are connected so as to be appropriately bent at 5, 15,....

As shown in FIG. 3, the front half of the pin-like connector 15 inserted at the foremost side is inserted into the lateral hole 3b of the leading can piece 3, and is inserted into the locking recess 16 thereof. The hairpin 7 is passed through and locked. In addition, although not shown, the pin-shaped connector 15 inserted at the rearmost end is similarly locked by a clasp or the like.

In the band 10 used in a wristwatch or the like according to the present embodiment having the above-described configuration, as shown in FIGS. The hook 17 of the rear pin-shaped connector 15 is fitted into the locking recess 16, and the fitting (16, 17) is inserted so as to fit into the insertion hole 13 of the piece 12.

In this case, there is a slight play between the pin-shaped connecting member 15 and the insertion hole 13, and the engaging recess 16 and the hook 17 are loosely fitted.
As shown in FIG. 3, the front and rear pin-shaped connectors 15-15 can be bent in the shape of a “ku” in the insertion hole 13; Since the engaging recess 16 of the pin-shaped connector 15 and the hooking portion 17 of the pin-shaped connector 15 on the rear side come into contact with the insertion hole 13, the fitting portion (16, 17) is inserted into the insertion hole 13. As long as the mating state is not released, the pin-like connectors 15, 15,... Remain connected,
By these connecting members 15, 15,...
Are connected so that they can be bent. Since the front end and the rear end of the required number of pin-shaped connectors 15 are locked as described above, it is not possible for the fitting portions (16, 17) to come out of the insertion holes 13. Absent.

Therefore, the band 10 of the present embodiment is
Pins and the like are not required for connection between the connecting tools 15-15, and the hooks 17 and the locking recesses 16 are provided on the connecting tools 15.
Are simply connected, the number of components is reduced and the configuration becomes simple. Further, it is only necessary to fit the locking concave portion 16 of the connecting tool 15 and the hooking portion 17 and insert it into the insertion hole 13. Since it is good, it can be easily processed and assembled, and can be manufactured at low cost.

FIGS. 4 to 6 show a second embodiment of the band according to the present invention.
In these figures, the same reference numerals are given to parts corresponding to the respective parts of the above-described first embodiment (FIGS. 1 to 3), and redundant description will be omitted. The differences will be mainly described. Band 2 of the present embodiment
In the center of the required number of pieces 22, 22,... Having a generally flat shape and both sides rounded, the insertion hole 23 having a rectangular cross section is formed along the front-rear direction.
2, the required number of connecting tools to connect
.. Are plate-like connecting members 25 having a substantially rectangular cross section, which are loosely inserted into the insertion holes 23.

The front side of one end of the plate-like connecting member 25 in the front-rear direction (longitudinal direction) and the back side of the other end, ie, 18
A hook portion 27 and a locking concave portion 26 that are loosely fitted to each other are continuously provided at the position of 0-degree rotational symmetry. Also in such a band 20, as can be clearly understood by referring to FIG. 6 in addition to FIG. 4 and FIG.
The engaging portion 26 of the rear plate-like connecting tool 25 is fitted into the engaging concave portion 26 of the rear side.
27) is inserted so as to fit into the insertion hole 23 provided in the piece 22. Here, depending on the relationship between the depth of the locking concave portion 26 and the height of the hook portion 27, the fitting portion (2
The thickness of 6 · 27) is substantially equal to or smaller than the thickness of the plate-like connecting device 25, and the pieces 22, 22,.
Are connected so as to be appropriately bent by the plate-like connecting members 25, 25,....

The plate-like connector 2 inserted at the foremost side
As shown in FIG. 6, the front half of 5 is inserted into the lateral hole 3b of the preceding can piece 3, and the hairpin 7 is passed through the locking concave portion 26 and locked. In addition, although not shown, the plate-like connecting tool 25 inserted at the rearmost end is similarly locked by a middle clasp or the like.

As shown in FIGS. 4 and 5, in the band 20 used in a wristwatch or the like according to the present embodiment having such a configuration, as shown in FIG. 4 and FIG. The rear plate-like connecting tool 2 is inserted into the locking recess 26.
5, and the fitting portions (26, 27) are inserted so as to fit into the insertion holes 23 of the piece 22.

In this case, there is a slight play between the plate-like connecting member 25 and the insertion hole 23, and the locking concave portion 26 and the hook portion 27 are loosely fitted. As shown in the drawing, the front and rear plate-like connecting members 25-25 can be bent in the shape of a "ku" in the insertion hole 23, but in a state where they are bent to some extent (for play),
Since the engaging concave portion 26 of the front plate-like connecting device 25 and the hook portion 27 of the rear plate-like connecting device 25 abut on the insertion hole 23, the fitting portion (26, 27) is connected to the insertion hole 23. , The mating state is not released, so that the plate-like connecting members 25, 25,... Remain connected, and the connecting members 25, 25,.
Are connected so as to be able to be bent. Since the required number of plate-like connectors 25 at the front end and the rear end thereof are locked as described above, the fitting portions (26
27) does not come out of the insertion hole 23.

Therefore, also in the band 20 of the present embodiment, pins and the like are not required for connection between the connectors 25-25, and the hooks 27 and the locking recesses 26 are connected to the connector 25. , The number of parts is reduced, the structure becomes simple, and the engaging recess 26 of the connector 25 and the hooking portion 27 need only be fitted and inserted into the insertion hole 23. Easy to assemble,
It can be manufactured at low cost.

The pieces (12, 22) and the insertion holes (13,
23) The dimensions and shapes of the connectors (15, 25) are not limited to those described above, and the band can be applied not only to a wristwatch but also to a key boulder and a bracelet.

[0024]

As will be understood from the above description, the band used in the wristwatch or the like according to the present invention does not require pins or the like for connection between the connectors, and the connector has a hook portion. Since it is only necessary to connect the stop recesses continuously, the number of parts is reduced and a simple configuration is obtained.Also, it is only necessary to fit the locking recess of the connecting tool and the hook portion and insert it into the insertion hole, Processing and assembly can be performed easily, and it can be manufactured at low cost.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a first embodiment of a band according to the present invention together with a wristwatch main body.

FIG. 2 is an exemplary perspective view for explaining the assembling of the band shown in FIG. 1;

FIG. 3 is an exemplary sectional view showing a connection state of the bands shown in FIG. 2;

FIG. 4 is an exploded perspective view showing a second embodiment of the band according to the present invention together with a wristwatch main body.

FIG. 5 is a perspective view for explaining the band shown in FIG. 4 during assembly;

FIG. 6 is a sectional view showing a connection state of the band shown in FIG. 5;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wristwatch main body 3 Lead piece 5 Spring bar 7 Hairpin 10 Band (1st Embodiment) 12 pieces 13 Insertion hole 15 Pin-shaped connector 16 Locking recess 17 Hooking section 20 Band (2nd Embodiment) 22 Piece 23 Insertion Hole 25 Plate-like connector 26 Locking recess 27 Hook

Claims (4)

[Claims] 1. A required number of pieces, and a required number of roughly pin-shaped or plate-shaped connectors for connecting the pieces in the front-rear direction, and through holes into which the connectors are loosely inserted in the front-rear direction of the pieces. Are formed, and a hook portion and a locking concave portion which are loosely fitted to each other on the front side of one end portion in the front-rear direction and the back side of the other end portion of the connecting device are connected to each other, and sequentially, By fitting the hook portion of the rear connection tool into the locking concave portion and inserting the fitting portion so as to fit into the insertion hole of the piece, the pieces are appropriately bent by the connection tool. Bands used for wristwatches, etc., connected to. 2. The band according to claim 1, wherein the piece has a substantially flat shape. 3. The piece according to claim 1, wherein the insertion hole having a circular cross section is formed at two places on the left and right sides of the piece, and the connecting member is formed of a pin-like material having a substantially circular cross section. Band used for the described wristwatch or the like. 4. The wristwatch according to claim 1, wherein the insertion hole having a rectangular cross section is formed at the center of the piece, and the connecting member is formed of a substantially plate-like material. Band.