JP2003329782A - Connecting structure between watch and band - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connecting structure between a watch and a band easy to fabricate, and capable of easily detaching the band and showing a watch case and a band in one. <P>SOLUTION: The outer surface 2c of a watch case 2 is provided with notches 2d and 2e. A tip hook 12 of the band 10 has a shape fitting to the notches 2d and 2e. Below the tip hook 12, a band fixing member 16 is provided. To the band fixing member 16 and the tip hook 12, a penetration hole 16a and a fixing hole 14c are provided respectively, wherein a screw 18 is inserted. The screw 18 is screwed in the screw hole provided to the watch case 2. In this manner, the band fixing member 16 and the tip hook 12 are fixed to the watch case 2. Only by detaching the band fixing member 16, the band 10 can be detached. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for connecting a timepiece and a band, which seems to have a band integrally attached to a timepiece case of the timepiece.

[0002]

2. Description of the Related Art A conventional connecting structure for a timepiece and a band of this type is disclosed in Japanese Utility Model Laid-Open No. 2000-329868. In this connection structure, an undercut portion is formed on the outer periphery of the watch case, a mounting member at the tip of the strap (embedded in the strap) is arranged in the undercut portion, and a rear portion (back cover) is provided with a ring through the ring. By screwing on the case, the attachment member at the tip of the strap is sandwiched between the undercut portion and the ring, and the strap is attached and fixed to the watch case.

[0003]

In the above-mentioned conventional connecting structure of the watch case and the strap, although a feeling of unity between the watch case and the strap can be obtained, there are the following problems. That is, in this connecting structure, the rear part (back cover) is screwed to the watch case so that the strap attachment part is sandwiched. Therefore, when the strap is detached from the watch case, the rear part (back cover) is attached. Also had to be attached to and detached from the watch case, and workability was extremely poor.

Further, since the rear portion (back cover) has to be attached / detached when attaching / detaching the strap as described above, dust or the like is likely to enter the watch case, which may cause a malfunction or stop of the watch. there were. Further, by attaching / detaching the rear part (back cover), the movement etc. to which the dial placed in the watch case is fixed may fall off, which may lead to failure of the movement or damage to the dial.

Further, since the structure is such that each part is sandwiched and fixed between the watch case and the rear part (back cover), if the processing accuracy of the attaching member at the tip of the watch case or the strap is poor, the rear part (back cover) will be completely removed. Sometimes it could not be tightened and it floated, or there was a gap between the watch case and the ring or the rear part (back cover), which could cause waterproof failure. For this reason, it is necessary to increase the processing accuracy of the attachment member at the tip of the watch case or the strap, which reduces the processing efficiency.

The present invention has been made in view of the above problems of the prior art. Since it is not necessary to improve the processing accuracy of the watch case and the band, the processing is easy, and the band can be attached and detached without opening and closing the back cover. In addition, the present invention provides a timepiece-band connecting structure in which the timepiece case and the band can be seen integrally.

[0007]

According to a structure for connecting a timepiece and a band of the present invention, as described in claim 1, in the structure for attaching the band to the timepiece case of the timepiece, the outer periphery of the back cover and the timepiece for closing the backside of the timepiece case. A notch is provided in the lower portion of the outer periphery of the case, which is opposed to each other, a front can of the band is arranged in the notch, a band fixing member is arranged below the front can, and a through hole provided in the band fixing member and the tip. The band is attached and fixed to the timepiece case by inserting a screw into an attachment hole provided in the can and screwing the screw into a screw hole provided in the timepiece case. In the structure for attaching the band to the watch case of the watch as described in claim 2, the connecting structure of the watch and the band of the present invention is opposed to each other on the outer circumference of the case back which closes the back surface of the watch case and the lower outer circumference of the watch case. A notch is provided in a portion, a band can is arranged in the notch, a band fixing member is arranged below the band can, and a hole provided in the band fixing member and a mounting hole provided in the band can are provided. Attach the pin, fix the pin to the pin fixing hole provided in the watch case,
Insert a screw through the through hole provided in the band fixing member,
The band is also attached and fixed to the watch case by screwing the screw into a screw hole provided in the watch case.

As described in claim 3, the watch case in the structure for connecting the watch and the band has openings provided at both ends of the cutout at a lower portion of an outer periphery thereof, and the step inside the opening is provided with the openings. A screw hole is formed. Further, as described in claim 4, the band is made of resin, the front can of the band has the same shape as the notch, and a metal mounting member for mounting to the watch case is embedded. It has become a thing. Further, as described in claim 5, the metal mounting member has a projecting portion projecting from both ends of the front can of the band in the lateral direction of the band, and the mounting hole is formed in the projecting portion. It has become a thing. Further, as described in claim 6, the protruding portion of the metal mounting member has substantially the same shape as the opening. Further, as described in claim 7, the through hole of the band fixing member is a stepped through hole. Further, as described in claim 8, the band fixing member is composed of a fixing ring or a partial fixing member that covers the notch. Further, as set forth in claim 9, when the band fixing member is fixed to the timepiece case, the band fixing member has substantially the same outer shape as the outer periphery of the back surface of the timepiece case and is substantially flush with the back cover surface. It is shaped like this.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION In the structure for connecting a timepiece and a band according to the present invention, a notch is provided on the outer periphery of the back cover and below the outer periphery of the timepiece case. This notch is provided in the opposing portion of the watch case. The tip can provided at the end of the band has a shape that fits into the notch. A band fixing member is provided under the tip can. The band fixing member and the front can are provided with through holes and mounting holes at corresponding positions, and screws are inserted therein. This screw is screwed into a screw hole provided in the watch case, whereby the band fixing member and the tip can are fixed to the watch case. Also, instead of inserting the screw into the through hole of the band fixing member and the mounting hole of the tip can as described above, attach the tip can to the watch case using the pin fixed to the watch case, and further fix the band to the watch case. It is also possible to fix the member with screws.

In this connection structure, a screw or a pin is used to attach the front can of the band so as not to be pulled out from the watch case, and the portion where the front can is thus mounted is covered with a band fixing member. The watch has a sense of unity with the watch case, and the band fixing member securely fixes the screw or pin to firmly attach the band. Therefore, the band can be attached and detached only by attaching and detaching the band fixing member, and the band can be easily attached and detached without removing the back cover.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. 1 is an exploded perspective view showing a connecting structure of a watch and a band according to an embodiment of the present invention, FIG. 2 is an exploded side view of the connecting structure of the watch and the band shown in FIG. 1 from a side, and FIG. 1 is a rear view of the watch case shown in FIG. 1, FIG. 4 is a side view showing a state where the band fixing member is assembled to the watch case, FIG. 5 is a sectional view of the watch case and the band fixing member shown in FIG. 4, and FIGS.
[Fig. 3] is a plan view and a side view of the band.

Reference numeral 2 is a watch case having a substantially cylindrical shape, and a back surface 4 is attached and closed in the back surface side opening 2b. A bezel 6 and a register ring 8 are attached to the periphery of the front surface side opening 2a of the watch case 2. The outer periphery 2c of the timepiece case 2 located on the outer periphery of the back cover 4 is provided with notches 2d and 2e at the lower portion of the opposing position (for example, the 12 o'clock and 6 o'clock positions). This notch 2d,
Since 2e is provided in the lower part of the outer circumference 2c of the watch case 2, the lower part is opened and the upper part is closed by the upper part 2f of the watch case 2. Also, this notch 2d,
Openings 2g to 2j opening downward and in the direction of the cutouts 2d and 2e are provided at both ends of each 2e. The openings 2g to 2j in this embodiment are shallower than the notches 2d and 2e, and a step portion is formed therein. The stepped portion is provided with a screw hole 2k.

Reference numeral 10 is a band, and a tip can 1 is attached to the end of the band.
Have two. The band 10 in this embodiment is made of resin. Further, the front can 12 has substantially the same shape as the cutouts 2d and 2e, and in this embodiment, has a metal mounting member 14 embedded in the end portion of the band 10. The metal mounting member 14 has a shape that fits into the cutouts 2d and 2e, and has projecting portions 14a and 14b that project from both ends in the lateral direction of the band. This protrusion 14a, 14
b has substantially the same shape as the openings 2g to 2j of the watch case described above. In addition, the mounting holes 1 corresponding to the screw holes 2k of the openings 2g to 2j are formed in the protrusions 14a and 14b.
4c is provided.

Reference numeral 16 denotes a band fixing member, which is a fixing ring in this embodiment. The inner diameter is larger than the outer shape of the back cover 4, and is assembled so as to abut against the back surface of the watch case 2 outside the back cover 4. The band fixing member 16 has substantially the same outer shape as the outer peripheral shape of the back surface of the watch case 2, and the lower surface thereof is
It is set to be substantially flush with the lower surface of the back cover 4. A part of the band fixing member 16 is located below the front can 12, which is fitted into the notches 2d and 2e of the time case 2, and corresponds to the mounting hole 14c of the front can 12 and the screw hole 2k of the time case 2. Positioned through hole 16a
have. The band fixing member 16 has a cutout 2
It may be a partial fixing member that only covers d and 2e.

Reference numeral 18 denotes a screw (see FIG. 8 described later), which passes through the through hole 16a of the band fixing member 16 and the mounting hole 14c of the front can 12, and the screw hole 2k of the watch case 2.
It is screwed to.

Next, attaching and detaching the band 10 and the watch case 2
The state when it is attached to is explained. First,
When the band 10 is attached to the watch case 2, the front can 12 is fitted from below from the notches 2d and 2e of the watch case 2 to which the band fixing member 16 is not attached. At this time, the metal mounting member 14 fits into the notches 2d and 2e, and the protrusions 14a and 14b thereof fit into the openings 2g to 2j, respectively. Next, the band fixing member 16 is assembled to the back side of the watch case 2, and the screw 1 is inserted through the through hole 16a.
Insert 8. This screw 18 is attached to the mounting hole 1 of the front can 12.
It is screwed into the screw hole 2k of the watch case 2 through 4c.
As a result, the band fixing member 16 is fixed to the watch case 2, the front can 12 is fixed by the screw 18 so as not to be pulled out, and the metal mounting member 14 or the protrusion 1 is fixed.
4a and 14b fit into the cutouts 2d and 2e and the openings 2g to 2j, and are pressed by the band fixing member 16 from below, which is the removal direction, so that they cannot come off. As a result, band 1
0 is attached to the watch case 2. At this time, since the notches 2d and 2e and the front can 12 are covered from below by the band fixing member 16, the connecting portion is hidden and it can be seen that they are integrally formed.

On the other hand, when removing the band 10 from the watch case 2, first, the screw 18 is removed and the band fixing member 16 is removed from the watch case 2. As a result, the front can 12 can be moved to the lower side of the watch case 2, and the metal mounting member 1 is made through the notches 2d and 2e and the openings 2g to 2j.
4 and the protrusions 14a and 14b are removed, and the band is removed.

When attaching / detaching the band 10 having a sense of unity as described above, it is not necessary to attach / detach the back cover 4, and the band 10 can be attached / detached without affecting the inside of the watch case 2.

In the above embodiment, the metal mounting member 14 of the front can 12 is provided with the projecting portions 14a and 14b and the mounting holes 14c are provided therein, but the front can 12 is directly provided with the mounting holes 14c. You can also That is, in the case of a metal band or the like, the front can 12 is integrally formed at the end of the band, and the mounting hole 14c is formed therein. In this case,
As shown in the cross-sectional view of the connecting portion of FIG. 2, the watch case 2 is provided only with the notches 2d and 2e without providing the openings 2g to 2j, and the inner upper surfaces of the notches 2d and 2e (the lower surface of the upper portion 2f of the watch case 2). ) Is provided with a screw hole 2k. Then, the mounting hole 14c is directly provided in the front can 2 so as to correspond to the screw hole 2k, and the through hole 16a of the band fixing member 16 is further provided at a position corresponding to the mounting hole 14c of the front can 2. According to this structure, the front can 12 can be fixed by screwing the screw 18 into the screw hole 2k through the through hole 16a and the mounting hole 14c.

In this case, the front can 12 is fixed mainly by penetrating the screw 18, and the band fixing member 16 is attached to stabilize the screwing of the screw 18 and secure the fixing. . Also, considering the pulling force in the longitudinal direction of the band, the front can 12 and the notch 2
The planar shape of d and 2e may be set to a shape that widens inward so that the front can 12 can be inserted and removed only below the notches 2d and 2e.

Further, in the above embodiment, the screw 18 for fixing the band fixing member 16 to the watch case 2 is provided with the projecting portion 1.
4a, 14b and the mounting holes 14c of the can 12, and the cans 12 are fixed by being screwed into the openings 2g to 2j and the screw holes 2k in the cutouts 2d and 2e, but as shown in FIG. The cans 12 can be fixed by using the pins 20. That is, a hole (either a bottomed hole or a through hole) 16b is provided in the band fixing member 16, and the pin 20 is provided in this hole 16b.
Attach. Then, the pin 20 is attached to the front can 12 or the mounting hole 1 of the projecting portions 14a and 14b of the metal mounting member 14 thereof.
It is attached so as to penetrate 4c. Furthermore, the tip of the pin 20 is fitted and fixed in the pin fixing hole 2m provided in the notches 2d, 2e or the openings 2g to 2j. The screw 18
Passes through the through hole 16a of the band fixing member 16 and the notch 2
d, 2e or screw holes (not shown) provided on the back surface of the watch case 2 where the openings 2g to 2j are not provided, and the band fixing member 16 is fixed to the watch case 2. ing. Due to this design, the notch 2
Even with a timepiece in which screw holes cannot be formed at the positions of d, 2e and the openings 2g to 2j, the bands can be connected without changing the basic structure.

Incidentally, in the structure shown in FIG. 9, as shown in FIG.
a and 14b are used and the pin fixing hole 2m is formed into the opening 2g.
2j is shown. Also, the first one
2 is provided with a mounting hole 14c, and the pin fixing hole 2m is provided with a cutout 2d,
When provided in 2e, the positional relationship between the respective parts is arranged according to FIG.

[0023]

According to the present invention, the band can be attached to or removed from the watch case by simply attaching and detaching the band fixing member with a screw. Therefore, the band can be easily attached and detached without removing the back cover. it can.

Further, the connecting portion of the watch case and the band is hidden by a part of the watch case when viewed from the front side and covered and hidden by the band fixing member when viewed from the back side.
You can make it look like the watch case and the band are connected together.

Further, since the band can be attached and detached only on the outside of the watch case without removing the back cover, dust or the like does not enter the watch case, and the movement of the movement is induced to cause the dial plate. Will not be damaged.

Furthermore, since it does not affect the internal structure or waterproof structure of the watch case or the back cover, it is not necessary to improve the precision of parts such as the watch case as in the prior art, and the watch case and the band can be processed. It will be easy.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a connecting structure of a watch and a band according to an embodiment of the present invention.

FIG. 2 is an exploded side view of the connecting structure of the timepiece and the band shown in FIG. 1, viewed from the side.

FIG. 3 is a rear view of the watch case shown in FIG.

4 is a side view showing a state in which a band fixing member is assembled to the watch case shown in FIG.

5 is a cross-sectional view of the watch case and the band fixing member shown in FIG.

FIG. 6 is a plan view of the band shown in FIG.

FIG. 7 is a side view of the band shown in FIG.

FIG. 8 is a cross-sectional view showing a partially modified example of a connecting portion.

FIG. 9 is a cross-sectional view showing another partially modified example of the connecting portion.

[Explanation of symbols]

2 watch case 2d, 2e cutout 2g to 2j opening 2k screw hole 2m pin fixing hole 4 case back 10 bands Twelve 14 Metal mounting members 14a, 14b protrusion 14c Mounting hole 16 Band fixing member 16a through hole 16b hole 18 screws 20 pin

Claims (9)

[Claims] 1. In a structure for attaching a band to a watch case of a watch, a notch is provided in an outer periphery of a back cover that closes a back surface of the watch case and a portion opposite to each other in a lower outer periphery of the watch case, and a front can of the band is arranged in the notch. , A band fixing member is arranged below the tip can, and a screw is inserted through a through hole provided in the band fixing member and a mounting hole provided in the tip can, and is inserted into a screw hole provided in the watch case. A connecting structure for a watch and a band, wherein the band is attached and fixed to the watch case by screwing the screw. 2. In a structure for attaching a band to a watch case of a watch, a notch is provided in an outer periphery of a back cover that closes a back surface of the watch case and a portion opposite to the lower outer periphery of the watch case, and a front can of the band is arranged in the notch. A band fixing member is arranged below the tip can, pins are attached to holes provided in the band fixing member and attachment holes provided in the tip can, and the pin fixing hole is provided in the watch case. Fix the pin, insert the screw through the through hole provided in the band fixing member,
A structure for connecting a watch and a band, wherein the band is attached and fixed to the watch case by screwing the screw into a screw hole provided in the watch case. 3. The timepiece case has openings provided at both ends of the cutout at a lower portion of an outer periphery thereof, and the screw hole is formed in a step portion in the opening. The connecting structure for a watch and a band according to claim 1 or 2. 4. The band is made of a resin, a front can of the band has the same shape as the notch, and a metal mounting member for mounting on the watch case is embedded. The connecting structure for a watch and a band according to claim 1 or 2. 5. The metal mounting member has protrusions protruding from both ends of the front can of the band in the lateral direction of the band, and the mounting holes are formed in the protrusions. The structure for connecting a watch and a band according to claim 3 or claim 4. 6. The connecting structure for a watch and a band according to claim 3, 4, or 5, wherein the protruding portion of the metal mounting member has substantially the same shape as the opening. 7. The watch and band connection structure according to claim 1, wherein the through hole of the band fixing member is a stepped through hole. 8. The timepiece-band connecting structure according to claim 1, wherein the band fixing member is a partial fixing member that covers a fixing ring or a notch. 9. The band fixing member has a shape that is substantially the same as the outer periphery of the back surface of the watch case and is substantially flush with the surface of the case back when fixed to the watch case. Claim 1, claim 2, characterized in that
The structure for connecting a watch and a band according to claim 7 or claim 8.