JP2010035797A - Band attaching structure for wristwatch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wristband mounting structure for a wristwatch which can be securely attached even if the wristwatch case is made of a synthetic resin and has good fit regardless of the thickness of the arm.
SOLUTION: On both sides of a back cover 3 attached to the back surface of a watch case 1, an attachment adjusting portion 6 capable of adjusting the attaching position of a tip can cover 9 of a watch band 5 is provided. The position of the cover 9 is adjusted and fixed with the spring bar 10. Therefore, the attachment position of the watch band 5 with respect to the back cover 3 can be adjusted according to the thickness of the user's arm. For this reason, even if the thickness of the user's arm is thin or thick, the wristwatch case 1 can be satisfactorily attached to the arm, so that a good fit can be obtained regardless of the thickness of the arm. . Further, since the mounting adjustment portion 6 is provided on the metal back cover 3, the watch band 5 can be securely and firmly attached to the metal back cover 3 even if the watch case 1 is made of synthetic resin. it can.
[Selection] Figure 2

Description

  The present invention relates to a wristband attachment structure for attaching a watchband to a wristwatch.

  Generally, the wristband mounting structure of a wristwatch is configured such that a wristband case is integrally provided with a wristband mounting portion, a wristwatch band is attached to the headband mounting portion with a spring bar, and in this state, the wristwatch is attached to the wrist with a wristwatch band. Yes. In such a wristwatch band mounting structure, when the watch case and the band mounting portion are formed of synthetic resin, when the watch band is mounted on the band mounting portion by the spring bar, the engagement protrusion of the spring bar is the band mounting portion. There is a problem that it is easy to come off.

Therefore, in the conventional wristwatch band mounting structure, as described in Patent Document 1, a band mounting portion is formed on a metal back cover to be mounted on the back surface of the wristwatch case, and the wristband is attached to the band mounting portion. Is configured to be attached with a spring bar.
Japanese Utility Model Sho 63-115317

  In such a conventional wristwatch band mounting structure, even if the wristwatch case is made of synthetic resin, the watch band can be securely mounted to the band mounting portion of the back cover with a spring bar. Since it is provided at a fixed position on both sides, the position of the watch band attached to the watch case cannot be changed.

For this reason, when the wristwatch is attached to the arm, a gap is created between the band attaching portion and the arm in the case of a person with a thin arm, and conversely, in the case of a person with a thick arm, the band attaching portion bites into the arm. Therefore, there is a problem that the wristwatch cannot be satisfactorily attached to the arm according to the thickness of the arm, and the fit of the wristwatch to the arm varies depending on the thickness of the arm.

  The problem to be solved by the present invention is that a watch band can be securely attached even when the watch case is made of a synthetic resin, and a watch band attachment structure having a good fit regardless of the thickness of the arm. Is to provide.

In order to solve the above problems, the present invention includes the following components.
The invention according to claim 1 is a wristwatch case, a metal back cover that is attached to the back surface of the watch case and that is provided with attachment adjusting portions that can adjust the attachment position on both sides, and the back cover A wristwatch band mounting structure comprising: a watchband having a band mounting portion attached to the mounting adjustment portion; and a fixing member for fixing the watchband to the mounting adjustment portion.

According to a second aspect of the present invention, the attachment adjusting portion includes a pair of attachment pieces on both sides of the back cover, and a plurality of adjustment holes are formed in the center of the back cover in a state of being opposed to the pair of attachment pieces. It is a configuration provided at a predetermined interval from the side to the outside,
In the watch band, the band attachment portion is disposed between the pair of attachment pieces of the attachment adjustment portion, and one attachment corresponding to any of the adjustment holes facing each other among the plurality of adjustment holes in the band attachment portion. 2. The wristwatch band mounting structure according to claim 1, wherein the structure is provided with a hole.

  According to a third aspect of the present invention, the fixing member is a spring bar provided with engaging projections on both sides of the cylindrical member so that the projection can be projected and retracted, and the cylindrical member is provided on the band mounting portion of the watch band. The band attachment portion is fixed to the attachment adjustment portion by inserting the engagement protrusions on both sides into any of the adjustment holes facing each other among the plurality of adjustment holes in a state of being inserted into the hole. The wristwatch band mounting structure according to claim 2, wherein the wristwatch has a band mounting structure.

  According to a fourth aspect of the present invention, the watch band includes a band main body and a front can cover that is the band attaching portion, and a band insertion hole into which the band main body is inserted is provided in the front can cover. The main body passes through the band insertion hole of the front can cover attached to the attachment adjustment part located on one side of the back cover, passes through the lower surface side of the back cover, and the attachment adjustment part located on the other side. The wristwatch band mounting structure according to any one of claims 1 to 3, wherein the wristband cover is inserted continuously into the band insertion hole of the attached front can cover.

  According to this invention, the mounting position of the band mounting portion of the watch band with respect to the mounting adjustment portion of the back cover is adjusted according to the thickness of the user's arm, and the band mounting portion is fixed to the mounting adjustment portion of the back cover. Even if the watch case is made of synthetic resin, the watch band can be securely attached to the watch case and a good fit can be obtained regardless of the arm thickness. Can do.

Hereinafter, an embodiment of a wristband mounting structure of a wristwatch to which the present invention is applied will be described with reference to FIGS.
As shown in FIGS. 1 and 2, this wristwatch includes a wristwatch case 1 made of synthetic resin. A watch glass 2 is attached to the upper opening of the watch case 1 as shown in FIG.

Further, as shown in FIGS. 1 to 4, a metal back cover 3 is attached to the lower surface of the watch case 1 with screws 3 a, and each of the watch case 1 at 3 o'clock side and 9 o'clock side is provided. As shown in FIGS. 1 to 4, a plurality of push button switches 4 are provided on the side surfaces. A watch module (not shown) is provided inside the watch case 1.

By the way, as shown in FIGS. 1-4, the attachment adjustment part 6 which can adjust the attachment position of the timepiece band 5 is provided in the both sides of the 12:00 side and 6 o'clock side of the back cover 3. As shown in FIG. The attachment adjusting portion 6 includes a pair of attachment pieces 7 provided on both sides of the back cover 3 on the 12 o'clock side and the 6 o'clock side, and the pair of attachment pieces 7 facing each other. First to third adjustment holes 8a to 8c provided at predetermined intervals from the center side toward the outside are provided.

In this case, as shown in FIGS. 2 and 4, the pair of mounting pieces 7 protrude outward from the respective end portions on both sides of the back cover 3, and both sides of the protruding portions are directed downward. It is configured such that it is bent and the bent side portions are opposed to each other. As a result, the pair of mounting pieces 7 facing each other are provided with first to third adjustment holes 8a to 8c facing each other.

Among the first to third adjustment holes 8a to 8c, the first adjustment hole 8a is provided at a position closest to the center side of the back cover 3, as shown in FIGS. Further, as shown in FIGS. 2 and 6, the second adjustment hole 8b is provided at an intermediate position slightly away from the center side of the back cover 3 toward the outside as compared with the first adjustment hole 8a. Further, as shown in FIGS. 2 and 7, the third adjustment hole 8 c is provided at a position furthest away from the center side of the back cover 3 toward the outside.

As shown in FIGS. 1 and 2, the watch band 5 includes a band-shaped band main body 5 a made of cloth or resin, and a front can cover 9 that is a band attaching portion attached to the attachment adjusting portion 6 of the back cover 3. The tip can cover 9 is configured to be attached to the attachment adjusting portion 6 by a spring bar 10. In this case, as shown in FIG. 2, the front can cover 9 is disposed between the pair of mounting pieces 7 of the mounting adjusting portion 6, and in this state, the first to third adjusting holes 8 a to 8 c are mutually connected. One mounting hole 11 corresponding to any facing adjustment hole (the first adjustment hole 8a closest to the center side of the back cover 3 in FIG. 5) is provided.

Further, the tip can cover 9 is provided with a band insertion hole 9a into which the band main body 5a is inserted. As a result, the watch band 5 passes through the band insertion hole 9 a of the front can cover 9 attached to the attachment adjusting portion 6 where the band main body 5 a is located on one side of the back cover 3, and the band main body 5 a Each of the front can covers 9 located on both sides of the back cover 3 is inserted through the band insertion hole 9a of the front can cover 9 attached to the mounting adjustment portion 6 located on the other side through the lower surface side. It is comprised so that it may attach continuously.

As shown in FIG. 2, the spring bar 10 is provided with a coil spring (not shown) inside a metal cylindrical member 12 formed in a pipe shape. Metal engaging projections 13 are provided on both sides so as to be able to appear and retract. As a result, in the spring bar 10, the cylindrical member 12 is inserted into the attachment hole 11 of the front can cover 9 in the watch band 5, and in this state, the engagement protrusions 13 on both sides are the first to third of the attachment adjustment portion 6. The front can cover 9 is attached by inserting into any of the adjustment holes 8a to 8c facing each other (for example, the first adjustment hole 8a closest to the center side of the back cover 3 in FIG. 5). It is configured to be fixed to the adjustment unit 6.

Next, a case where such a watch band 5 is used by being attached to the attachment adjusting portion 6 of the back cover 3 will be described.
In this case, the watch glass 2 is attached to the upper opening of the watch case 1 in advance, and a watch module (not shown) is housed inside the watch case 1, and in this state, the back of the watch case 1 is The lid 3 is attached with screws 3a. At this time, the attachment adjusting portions 6 on both sides of the back cover 3 are attached to correspond to the 12 o'clock side and the 6 o'clock side of the watch case 1.

Before attaching the front can cover 9 of the watch band 5 to the attachment adjusting portion 6 of the back cover 3, first, the spring bar 10 is attached to the attachment hole 11 of the front can cover 9. At this time, the cylindrical member 12 of the spring bar 10 is inserted into the mounting hole 11 of the band mounting member 5, and the engaging projections 13 on both sides of the cylindrical member 12 are protruded on both sides of the mounting hole 11. In this state, the front can cover 9 of the watch band 5 is attached to the attachment adjusting portion 6 of the back cover 3 with the spring bar 10.

At this time, according to the thickness of the user's arm, the watch band is provided to the first to third adjustment holes 8a to 8c provided in the pair of attachment pieces 7 of the attachment adjustment portion 6 so as to face each other. The attachment position of the spring bar 10 attached to the front can cover 9 is adjusted. For example, when the user's arm is thin, as shown in FIG. 2 and FIG. 5, among the first to third adjustment holes 8 a to 8 c provided to face the pair of attachment pieces 7, The engagement protrusion 13 of the spring bar 10 is inserted into the first adjustment hole 8a closest to the center side of the back cover 3.

Thereby, the front can cover 9 of the watch band 5 is attached to the attachment adjusting portion 6 of the back cover 3 by the spring bar 10. At this time, the first adjustment at the position closest to the center side of the back cover 3 among the first to third adjustment holes 8 a to 8 c provided to face the pair of attachment pieces 7 of the attachment adjustment portion 6. By inserting the engagement protrusion 13 of the spring bar 10 into the hole 8a, the leading can cover 9 of the watch band 5 is attached to the position most biased toward the center side of the back cover 3, as shown in FIG.

For this reason, when the watch case 1 is attached to the user's arm with the watch band 5, if the user's arm is thin, a gap is generated between the front can cover 9 of the watch band 5 and the arm, or the watch The wrist case cover 9 of the band 5 does not bite into the arm, and the wristwatch case 1 can be fitted to the arm and attached well.

Further, in the case where the thickness of the user's arm is not thin or thick, as shown in FIGS. 2 and 6, first to first provided on the pair of attachment pieces 7 so as to face each other. The engagement protrusion 13 of the spring bar 10 is inserted into the second adjustment hole 8b located in the middle of the mounting piece 7 among the third adjustment holes 8a to 8c. Thereby, the front can cover 9 of the watch band 5 is attached to the attachment adjusting portion 6 of the back cover 3 by the spring bar 10.

At this time, among the first to third adjustment holes 8a to 8c provided to face the pair of attachment pieces 7 of the attachment adjustment portion 6, as shown in FIG. By inserting the engagement protrusion 13 of the spring bar 10 into the second adjustment hole 8b, the leading can cover 9 of the watch band 5 is attached to the intermediate position of the attachment adjustment portion 6.

For this reason, when the watch case 1 is attached to the user's arm with the watch band 5, if the user's arm has a normal thickness, a gap may be formed between the front can cover 9 of the watch band 5 and the arm. Further, the watch case 1 can be fitted to the arm and attached well without the tip can cover 9 of the watch band 5 biting into the arm.

Furthermore, when the user's arm is thick, as shown in FIG. 2 and FIG. 7, among the first to third adjustment holes 8 a to 8 c provided to face the pair of attachment pieces 7, The engagement protrusion 13 of the spring bar 10 is inserted into the third adjustment hole 8c located farthest outward from the center side of the back cover 3. Thereby, the front can cover 9 of the watch band 5 is attached to the attachment adjusting portion 6 of the back cover 3 by the spring bar 10.

At this time, among the first to third adjustment holes 8a to 8c provided to face the pair of attachment pieces 7 of the attachment adjustment portion 6, the furthest away from the center side of the back cover 3 toward the outside. Since the engaging protrusion 13 of the spring bar 10 is inserted into the third adjustment hole 8c at the position, the front can cover 9 of the watch band 5 faces outward from the center side of the back cover 3 as shown in FIG. It is attached to the attachment adjustment part 6 in the most distant state.

For this reason, when the watch case 1 is attached to the user's arm with the watch band 5, if the user's arm is thick, the tip can cover 9 of the watch band 5 does not bite into the arm, and the tip of the watch band 5 The wristwatch case 1 can be fitted well to the arm without causing a gap between the can cover 9 and the arm.

Thus, according to the wristband mounting structure of the wristwatch, the mounting adjustment portions 6 that can adjust the mounting position of the front can cover 9 on the wristwatch band 5 are provided on both sides of the back cover 3 attached to the back surface of the wristwatch case 1. Since the mounting position of the front can cover 9 is adjusted to the mounting adjustment portion 6 and fixed by the spring bar 10, the mounting position of the watch band 5 with respect to the back cover 3 is adjusted according to the thickness of the user's arm. be able to.

For this reason, the wristwatch case 1 can be satisfactorily attached to the arm by adjusting the attachment position of the watch band 5 with respect to the case back 3 regardless of whether the user's arm is thin or thick. In addition to being able to obtain a good fit regardless of the thickness, the metal back cover 3 is provided with the mounting adjustment portion 6 so that even if the watch case 1 is made of synthetic resin, it is made of metal. The front can cover 9 of the watch band 5 can be securely and firmly attached to the back cover 3, and thus the watch band 5 can be reliably and firmly attached to the watch case 1.

In this case, the attachment adjustment portion 6 of the back cover 3 is provided with a pair of attachment pieces 7 on both sides of the back cover 3, and the first to third adjustment holes in a state of being opposed to the pair of attachment pieces 7. 8a to 8c are provided at predetermined intervals from the center side of the back cover 3 toward the outside, and the watch band 5 has a front can cover 9 disposed between the pair of attachment pieces 7. Of the first to third adjustment holes 8a to 8c, one attachment hole 11 corresponding to any of the adjustment holes facing each other is provided, so the attachment position of the front cover 9 with respect to the back cover 3 Can be adjusted in three stages according to the thickness of the user's arm.

The spring bar 10 has a configuration in which engagement protrusions 13 are provided on both sides of a metal cylinder member 12 formed in a pipe shape so that the protrusions can protrude and retract, and the cylinder member 12 is attached to the front can cover 9 on the watch band 5. When the engagement protrusions 13 on both sides are inserted into the adjustment holes facing each other among the first to third adjustment holes 8a to 8c of the attachment adjustment portion 6 in the state of being inserted into the holes 11, the timepiece Since the front can cover 9 of the band 5 is fixed to the attachment adjusting portion 6, the attachment position of the watch band 5 with respect to the back cover 3 is adjusted in three steps according to the thickness of the user's arm, and the watch band 5 is securely attached. The front can cover 9 can be fixed to the attachment adjusting portion 6.

Further, the watch band 5 includes a band main body 5 a and a front can cover 9. The front can cover 9 is provided with a band insertion hole 9 a into which the band main body 5 a is inserted, and the band main body 5 a is provided on one side of the back cover 3. The band main body 5a passes through the lower surface side of the back cover 3 through the band insertion hole 9a of the front can cover 9 attached to the attachment adjustment part 6 located, and is attached to the attachment adjustment part 6 located on the other side. Since the band main body 5 a is continuously inserted into the band insertion hole 9 a of the front can cover 9, the band main body 5 a can be continuously attached to the respective front can covers 9 located on both sides of the back cover 3.

In the above embodiment, the case where the spring bar 10 is used as the fixing member has been described. However, the present invention is not limited to this, and a bar-like member such as a pin may be used. In this case, any one of the first to third adjustment holes 8a to 8c facing each other with a rod-like member such as a pin from the outside of the attachment piece 7 on one side of the attachment adjustment portion 6 of the back cover 3. What is necessary is just to insert in the adjustment hole, make it insert in the attachment hole 11 of the tip can cover 9, and insert the rod-shaped members, such as this inserted pin, in the adjustment hole of the attachment piece 7 of the other side.

Further, the fixing member is not limited to this, and the front can cover 9 may be configured to be attached to the attachment adjusting portion 6 of the back cover 3 using a screw member such as a screw. In this case, a metal pipe is embedded in the attachment hole 11 of the front cover 9 in the watch band 5, a female screw is provided in the pipe, and a screw member such as a screw is screwed to the female screw in the pipe. What is necessary is just to comprise.

In the above embodiment, the watch band 5 having the band body 5a and the front can cover 9 is described as the watch band. However, the present invention is not limited to this, and the watch band is also applicable to a normal watch band made of metal or synthetic resin. be able to. In this case, the timepiece band may have a configuration in which a band attaching portion is integrally provided at the end of the band main body, and an attachment hole into which the spring bar 10 is inserted is provided in the band attaching portion.

It is the expansion perspective view seen from the back side in one embodiment of the wristwatch to which this invention is applied. It is the disassembled perspective view which looked at the wristwatch of FIG. 1 from the upper surface side. FIG. 2 is an enlarged perspective view of the wristwatch of FIG. 1 with a watch band removed. It is the perspective view which looked at the wristwatch of FIG. 3 from the diagonally lower side. FIG. 3 is a side view showing a state in which the front can cover of the watch band is attached to the first adjustment hole at the position closest to the center side of the back cover in the attachment adjustment portion with a spring bar in the state of FIG. 2. FIG. 3 is a side view showing a state in which the front can cover of the watch band is attached to a second adjustment hole located in the middle of the attachment adjustment portion with a spring bar in the state of FIG. 2. FIG. 6 is a side view showing a state in which the front can cover of the watch band is attached to the third adjustment hole at the position farthest away from the back cover in the attachment adjustment portion with a spring bar in the state of FIG. 2.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Watch case 3 Back cover 5 Watch band 5a Band main body 6 Attachment adjustment part 7 A pair of attachment pieces 8a-8c Each 1st-3rd adjustment hole 9 Tip can cover 10 Spring bar 11 Attachment hole 12 Cylindrical member 13 Engagement protrusion

Claims (4)

A watch case,
A metal back cover attached to the back surface of the watch case and provided with an attachment adjusting portion capable of adjusting the attachment position on both sides;
A watch band having a band attaching portion attached to the attachment adjusting portion of the back cover;
A fixing member for fixing the watch band to the attachment adjusting portion;
A wristwatch band mounting structure characterized by comprising: The mounting adjustment portion is provided with a pair of mounting pieces on both sides of the back cover, and a plurality of adjustment holes are provided at predetermined intervals from the center side of the back cover to the outside in a state of being opposed to the pair of mounting pieces. The configuration provided in
In the watch band, the band attachment portion is disposed between the pair of attachment pieces of the attachment adjustment portion, and the band attachment portion has one adjustment hole corresponding to any of the adjustment holes facing each other among the plurality of adjustment holes. The wristband mounting structure for a wristwatch according to claim 1, characterized in that the mounting hole is provided.   The fixing member is a spring bar provided with engagement protrusions on both sides of the cylindrical member so that the projection can protrude and retract, and the cylindrical member is inserted into the mounting hole provided in the band mounting portion of the watch band, 3. The band attachment portion is fixed to the attachment adjustment portion by inserting the engagement protrusions on both sides into any of the plurality of adjustment holes facing each other. Wristband mounting structure. The watch band includes a band main body and a front can cover that is the band attaching portion, and a band insertion hole into which the band main body is inserted is provided in the front can cover, and the band main body is provided on one side of the back cover. Passing through the band insertion hole of the front can cover attached to the mounting adjustment portion located, passing through the lower surface side of the back cover, the front can cover attached to the attachment adjustment portion located on the other side 4. The wristwatch band mounting structure according to claim 1, wherein the wristband is inserted continuously into the band insertion hole.

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