JPH10115688A - Wrist watch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To avoid interaction to watch case and transparent member and mitigate impact even with a large sinking of mitigation cover due to an impact in the case of impact resistant structure for preparing for moving up and down of the mitigation cover of hard material. SOLUTION: A mitigation cover 6 made of hard material is freely movable in up and down directions along screw members 8 at fixing holes 15 of a fixing piece 14 and restricted for up and down movement length by a stopper 16 held by the screw members 8. In a fitting groove 11 of the watch case 1, a mitigation member 7 mitigating downward movement of the mitigation cover 6. A packing 5 put in between the periphery of transparent member 3 covering the display part with the upper surface and the watch case 1 has in one a projection 23 put between a mitigation cover extension part 13 and the watch case 1 upper surface 24. The mitigation cover extension part 13 positions in between the watch case 1 upper surface 24 and the mitigation cover 6 as a mitigation part to avoid and mitigate mutual interaction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wristwatch.

[0002]

2. Description of the Related Art In a wristwatch, a watch glass (transparent member) is generally mounted on the upper surface of a watch case.
An airtight packing is interposed between the periphery of the watch glass and the watch case. 5A and 5B show an example of a conventional configuration. FIG. 5A is a vertical sectional side view of a glass case 52 mounting portion of a watch case 51, and FIG. 5B is a packing 55 of FIG.
3 is an enlarged sectional view of the packing 5 having a relatively simple shape between the watch case 51 and the periphery of the glass 52 as shown in FIG.
5 are interposed.

FIG. 6 shows another example of a conventional structure. FIG. 6 (a) is a vertical sectional side view of a portion where a glass 62 of a watch case 61 is incorporated, and FIG. 6 (b) is FIG. 6 (a). FIG. 3 is an enlarged cross-sectional view of the packing 65 of FIG. 1, which has an L-shaped cross section between the watch case 61 and the periphery of the glass 62 and between the peripheral upper surface of the dial 63 and the peripheral lower surface of the glass 62 as shown A packing 65 is interposed.

[0004]

By the way, wristwatches having a shock-resistant cushioning structure have been widely used in recent years. For example, a conventional glass packing is used for such a shock-resistant cushioning wristwatch. There is such a problem. FIG. 7 shows an example of a shock-mitigating structure of a wristwatch. FIG. 7 is a longitudinal sectional side view showing a glass 72 built-in portion and a bezel 76 built-in portion of a watch case 71 when a conventional structure example is applied. A rigid bezel 76 made of metal or hard synthetic resin as a buffer cover around the glass 72 on the upper surface of the watch case 71 made of metal or hard synthetic resin is provided with a watch as shown by vertical arrows in FIG. It is incorporated in the case 71 so as to be vertically movable. An inwardly extending portion 77 formed on the rigid bezel 76 is
The rigid bezel 76 is located around the glass 72 on the upper surface of the
, The sinking behavior is alleviated by the cushion rubber 78 installed inside the watch case 71.

In a wristwatch having such a rigid bezel 76 and having a shock-absorbing and relaxing structure, as shown in FIG.
When the packing 75 is used in the same manner as in the related art, as shown by the downward arrow in FIG.
When a shock is applied to the watch case 6, the shock absorbing rubber 78 reduces the shock to a certain extent. However, if the rigid bezel 76 sinks too much due to a strong shock, the inwardly extending portion 77 is placed on the upper surface of the watch case 71. It is conceivable that the impact caused by the interference between the rigid bodies is transmitted to the inside of the watch case 71 when the collision occurs. It is also conceivable that when the rigid bezel 76 sinks, the inwardly extending portion 77 interferes with the upper surface of the glass 72 and damages the glass 72. The above-described problem is caused by the above-mentioned conventional packing, that is, the packing 5 having a relatively simple shape shown in FIG.
It is considered that this is also caused by the packing 65 having an L-shaped cross section shown in FIGS.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a wristwatch having a shock-absorbing cushioning structure provided with a buffer cover made of a hard material so as to be movable in the vertical direction. Is to be able to alleviate this. Another object of the present invention is to prevent interference of the buffer cover with the transparent member on the upper surface of the watch case.

[0007]

SUMMARY OF THE INVENTION In order to solve the above problems, the invention according to claim 1 includes a watch case, a transparent member such as glass provided on an upper surface of the watch case and covering an internal display unit, A packing interposed between the periphery of the transparent member and the watch case, and a metal or hard synthetic resin formed of a hard material and mounted on the upper surface side of the watch case so as to be vertically movable, for example. And a shock-absorbing cover such as a rigid bezel made of stainless steel, wherein the packing integrally includes a shock-absorbing portion that is located between the upper surface of the watch case and the shock-absorbing cover to avoid and reduce mutual interference. Having the following features.

Here, the watch case is made of metal or hard synthetic resin, is rigid, and has a display portion inside the watch case, such as a display surface of a dial surface,
Short hand, long hand, second hand, digital display, and other displays are also included. Further, the transparent member is typically made of glass, but may be made of synthetic resin, and the packing is made of rubber or soft synthetic resin. Further, the buffer cover is provided so as to be able to move up and down as a measure to alleviate buffering of the watch case and the transparent member such as glass on the upper surface thereof, and is also called a bezel. And become rigid. The buffer is located between the top of the watch case and the buffer cover to avoid mutual interference.
Any shape may be used as long as it has a function of relaxing.

As described above, according to the first aspect of the present invention, the packing interposed between the periphery of the transparent member that covers the display unit on the upper surface and the watch case can move up and down with respect to the upper surface of the watch case. Since the wristwatch has a shock absorbing part that is located between the shock absorbing cover made of the assembled hard material and avoids and reduces mutual interference, when the shock absorbing cover sinks greatly due to an impact, the watch case upper surface is integrated with the packing. The interference between the rigid bodies of the shock-absorbing cover with respect to the upper surface of the watch case is avoided by the shock-absorbing portion located between them, so that the shock is alleviated. Therefore, an excellent protection function for the upper surface of the timepiece case can be obtained while using the buffer cover made of a hard material as the buffering relief structure.

[0010] The invention described in claim 2 is based on claim 1.
The wristwatch according to claim 1, wherein the shock-absorbing cover has an extending portion located above the transparent member, and the shock-absorbing portion is a protrusion interposed between the watch case upper surface and the extending portion. Configuration. The extension may be of any shape as long as it is located above a transparent member such as glass and can be protected. The protruding portion may be provided between the upper surface of the timepiece case and the extending portion of the buffer cover and has a shock absorbing function, and its shape is not limited.

As described above, according to the second aspect of the present invention, the cushioning part integral with the packing according to the first aspect is provided between the buffer cover extension located above the transparent member and the upper surface of the watch case. Since the watch is an interposed protrusion, when the shock-absorbing cover sinks greatly due to an impact, a packing protrusion interposed between the shock-absorbing cover extension located above the transparent member and the upper surface of the watch case, The interference between the rigid body of the buffer cover and the upper surface of the watch case and the transparent member is avoided, and the impact is reduced. Therefore, while using a shock-absorbing cover made of a hard material as the shock-absorbing relaxation structure,
An excellent protection function for the watch case upper surface and the transparent member is obtained.

According to a third aspect of the present invention, there is provided the wristwatch according to the first or second aspect, wherein the watch case is formed of a soft material to ease downward movement of the buffer cover. For example, a feature is provided in which a buffer member such as a buffer rubber is provided, and the buffer member is formed integrally with the packing. The shape of the cushioning member is not limited as long as the cushioning member has a function of reducing the downward movement of the cushioning cover made of a hard material. In addition, examples of the soft material include rubber and soft synthetic resin.

According to the third aspect of the present invention, since the packing according to the first or second aspect and the cushioning member for alleviating the downward movement of the cushioning cover inside the watch case are integrally formed, The number of parts can be reduced by forming the packing and the cushioning member as one integral part.

The invention described in claim 4 is based on claim 1,
4. The wristwatch according to 2 or 3, wherein the buffer cover is
It has a mounting hole that is vertically movable along a screw member fixed to the watch case, and the screw member has a stopper portion that regulates the vertical movement amount of the buffer cover. . For example, the mounting hole is formed in a mounting piece of the buffer cover made of a hard material, a stepped screw is used as a screw member, and the stopper is a stepped shaft.

Thus, according to the fourth aspect of the present invention, the buffer cover according to the first, second or third aspect is vertically movable along the screw member by the mounting hole, and the stopper of the screw member is provided. Since the wristwatch is restricted in the vertical movement amount by the portion, the buffer cover made of a hard material moves vertically in the mounting hole along the screw member within the range regulated by the stopper portion.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a wristwatch according to the present invention will be described below with reference to FIGS.

<First Embodiment> First, FIG. 1 is a front view showing a wristwatch as a first embodiment of the present invention, and FIG. 2 shows a sectional structure of a main part thereof. FIG. 2A is a sectional view taken along the line AA in FIG.
FIG. 2B is an enlarged cross-sectional view of the packing of FIG. FIG. 3 is a sectional view taken along line BB of FIG. 1 to 3, 1 is a watch case, 2 is a watch band, 3 is a glass (transparent member), 4 is a dial, 5 is a packing, 6 is a rigid bezel (buffer cover),
7 is a cushion rubber (buffer member), 8 is a stepped screw (screw member), 11 is a bezel mounting groove, 12 is a bezel cylindrical portion, 13
Is a bezel inward extension, 14 is a mounting piece, 15 is a mounting hole, 1
6 is a screw shaft portion (stopper portion), 17 is a male screw portion, 18 is a screw head, 21 is a concave portion, 22 is a screw hole, 23 is a packing outward protruding portion (buffer portion), and 24 is a watch case upper surface. .

As shown in FIG. 1, the wristwatch of this embodiment has a display case (characters) on the upper surface of a watch case 1 made of metal or hard synthetic resin to which watch bands 2 and 2 are connected. A rigid bezel 6 which is a ring-shaped buffer cover which is located around the glass 3 which is a transparent member covering the display surface of the surface of the plate 4, including a short hand, a long hand, a second hand, a digital display, and other displays. I have. Here, as shown in FIG. 2 (a), a ring-shaped packing 5 made of soft rubber is provided between the periphery of the glass 3 and the watch case 1 (including the periphery of the dial 4 in the illustrated example). It is interposed.

The rigid bezel 6 is made of a metal or a hard synthetic resin, and is inserted into an annular bezel mounting groove 11 formed apart from the periphery of the glass 3 of the watch case 1 as shown by arrows in the figure. A bezel inwardly extending portion 13 having an upwardly bulging shape is formed integrally with an upper portion of the bezel cylindrical portion 12 which is movably inserted in the up and down direction so as to uniformly cover the periphery of the glass 3. A soft buffer rubber 7 is provided on the bottom surface of the bezel mounting groove 11 to abut the lower surface of the bezel cylindrical portion 12 to ease the downward movement.

Also, as shown in FIG.
Are four mounting pieces 14, 14, 1 protruding from the outer periphery thereof.
4 and 14, and as shown in FIG.
Is formed integrally with the lower part of the bezel cylindrical portion 12. An attachment hole 15 is formed in the attachment piece 14, and the rigid bezel 6 is attached to the watch case 1 by the stepped screw 8 in the attachment hole 15. That is, the stepped screw 8 is
The screw shaft portion 16 has a small-diameter male screw portion 17 at the tip and a large-diameter screw head 18 at the other end of the screw shaft portion 16.

Therefore, the recess 21 formed in the watch case 1
In the mounting holes 14 of the mounting pieces 14 of the rigid bezel 6,
The screw shaft portion 16 of the stepped screw 8 is inserted, and the male screw portion 17 at the tip thereof is screwed into the screw hole 22 formed in the watch case 1. In this state, the screw shaft portion 16 of the stepped screw 8 serves as a stopper portion that abuts against the lower surface of the concave portion 21, and the rigid bezel 6 extends vertically along the mounting hole 15 by the length of the screw shaft portion 16. The amount of movement is secured. The above screwing structure is similarly applied to the four mounting pieces 14, 14, 14, 14.

As described above, the ring-shaped packing 5 is integrally formed with an annular packing outwardly projecting portion 23 which protrudes from the upper end portion to the outer peripheral side as shown in an enlarged view in FIG. . Therefore, this packing outward protrusion 23
Function as a buffer interposed between the lower surface of the bezel inward extension 13 and the watch case upper surface 24 therebelow, as shown in FIGS. 2A and 3. The thickness of the packing outward projection 23 is appropriately set in advance so that the bezel inward extension 13 does not interfere with the upper surface of the glass 3 even when the rigid bezel 6 sinks greatly due to a strong impact. Keep it.

As described above, according to the wristwatch of this embodiment, the lower surface of the inwardly extending portion 13 of the rigid bezel 6 and the upper surface 24 of the watch case are integrally formed from the packing 5 around the glass 3 of the watch case 1. When the rigid bezel 6 sinks greatly due to a strong impact such as a drop, the bezel inwardly extending portion 13 is provided with the packing outwardly projecting portion 23. As a result, the bezel inward extension 13 can be prevented from hitting the watch case upper surface 24 and the upper peripheral surface of the glass 3 therebelow. Therefore, the watch case upper surface 2
4 and the glass 3 can be protected, transmission of an impact to a watch module (not shown) accommodated in the watch case 1 can be avoided to prevent the breakage of the watch module, and the glass 3 can be prevented from being damaged to break. Can be prevented.

<Second Embodiment> FIG. 4 shows a structure of a second embodiment to which the present invention is applied. FIG. 2A and FIG. 2A in the first embodiment described above. It is a substantially similar sectional view. In FIG. 4, similarly to the first embodiment described above, 1 is a watch case, 3 is a glass (transparent member), 4 is a dial, 5 is a packing, and 6 is a rigid bezel (buffer cover). Reference numeral 31 denotes a bezel mounting groove, 32 denotes a bezel cylindrical portion, 33 denotes a bezel inwardly extending portion, 43 denotes a packing outwardly protruding portion (buffer portion), 44 denotes a watch case upper surface, and 45 denotes a watch case upper surface.
Is the packing outer cylinder, 46 is the packing outermost extension, 47
Denotes a cushion rubber portion (cushion member).

That is, in this embodiment, as shown in FIG. 4, the bezel cylindrical portion 32 of the rigid bezel 6 is inserted into the bezel mounting groove 31 of the watch case 1 so as to be vertically movable. The bezel inward extension 33 of the bezel 6 faces upward around the glass 3 from the watch case upper surface 44 therebelow. The packing 5 between the periphery of the glass 3 and the watch case 1 is provided between the lower surface of the inwardly extending bezel 33 and the upper surface 44 of the watch case below the packing and functions as a buffer. A packing outer cylinder portion 45 having a shape surrounding the outside of the packing 5 continuously to the outer periphery of the
And an annular outermost extension 46 of the packing projecting further outward from the lower end of the packing outer cylinder 45. An annular buffer rubber portion 47 bulging upward is formed on the outermost extension portion 46 of the packing.

As described above, the packing outer cylindrical portion 45 and the packing outermost extension 46 which are formed integrally with the packing 5 are shown in FIG.
As shown in the figure, the watch case 1 is located from the inner peripheral surface to the bottom surface of the bezel mounting groove 31. And, in the bezel mounting groove 31 which accommodates such a packing outer cylinder portion 45 and a packing outermost extension portion 46 from the inner peripheral surface to the bottom surface,
The bezel cylindrical portion 32 of the rigid bezel 6 is inserted movably in the up-down direction with the same assembling structure as in the first embodiment described above.

Therefore, according to the wristwatch of this embodiment, similarly to the first embodiment described above, when the rigid body bezel 6 sinks greatly due to a strong impact such as dropping, the bezel inwardly extends. The projecting portion 33 can be received and buffered by the outwardly projecting portion 43 of the packing, and the bezel inwardly extending portion 33 can be prevented from hitting the upper surface 44 of the watch case below and the upper surface of the periphery of the glass 3. And the glass 3 can be protected. In the bezel mounting groove 31, the packing outer cylinder portion 45 is provided on the inner peripheral side of the bezel cylindrical portion 32, so that the rigid bezel 6 is also provided with a shock-mitigating function from the side direction. Further, when the rigid bezel 6 sinks, the cushion rubber portion 47 which receives and relaxes the lower surface of the bezel cylindrical portion 32.
Is also integrated with the packing 5, so that the number of parts can be reduced.

In each of the above embodiments,
Although the transparent member is glass, the present invention is not limited to this, and a transparent member made of synthetic resin may be used.
In addition, the design of the watch case and the shock-absorbing cover and the like are also arbitrary, and it goes without saying that the specific detailed structure and the like including the up-and-down moving structure of the shock-absorbing cover can be appropriately changed.

[0029]

As described above, according to the wristwatch according to the first aspect of the present invention, the packing between the periphery of the transparent member covering the display unit on the upper surface and the watch case is vertically moved with respect to the watch case upper surface. Since the shock absorbing portion located between the possible hard shock absorbing cover is provided integrally, the shock absorbing portion located between the packing and the upper surface of the timepiece case is integrated with the packing when the shock absorbing cover sinks greatly. It is possible to avoid interference between the rigid bodies of the buffer cover with respect to the upper surface and reduce the impact. Therefore, an excellent protection function for the upper surface of the timepiece case can be obtained while using the hard buffer cover as the buffer relief structure.

According to the wristwatch according to the second aspect of the present invention, the protrusion integral with the packing between the periphery of the transparent member and the watch case is provided with the buffer cover extension located above the transparent member and the watch case upper surface. In addition to the effects obtained by the invention according to claim 1, when the shock-absorbing cover sinks greatly due to an impact, the packing protrusion between the shock-absorbing cover extension and the upper surface of the watch case, An advantage is obtained in that interference of the buffer cover with the transparent member on the upper surface of the watch case can be avoided, and the impact can be reduced. Therefore, in addition to obtaining an excellent protection function for the upper surface of the timepiece case, the invention according to claim 1 can obtain the structure while using a hard buffer cover as the buffer cushioning mitigation structure.
An excellent protection function for the transparent member can also be obtained.

According to the wristwatch according to the third aspect of the present invention, the packing between the periphery of the transparent member and the watch case and the cushioning member for alleviating the downward movement of the cushioning cover are integrated. In addition to the effects obtained by the invention described in 2, the packing and the cushioning member are formed as one part, so that an advantage that the number of parts can be reduced can be obtained.

According to the wristwatch according to the fourth aspect of the present invention, the buffer cover whose vertical movement along the screw member is regulated by the stopper portion is provided. In this case, the hard buffer cover can be moved up and down along the screw member within the range restricted by the stopper portion in the mounting hole.

[Brief description of the drawings]

FIG. 1 is a front view showing a wristwatch as a first embodiment to which the present invention is applied.

2A and 2B show a cross-sectional structure of a main part of FIG. 1; FIG. 2A is a cross-sectional view taken along the line AA of FIG. 1;
It is an expanded sectional view of a packing of (a).

FIG. 3 is a sectional view taken along line BB of FIG. 1;

FIG. 4 is a cross-sectional view showing a structure of a second embodiment to which the present invention is applied, and is substantially the same as FIG. 2A.

5A and 5B show a conventional configuration example, in which FIG. 5A is a vertical sectional side view of a glass assembly portion of a watch case, and FIG. 5B is an enlarged cross-sectional view of the packing of FIG. 5A.

6A and 6B show another configuration example of the related art, in which FIG. 6A is a longitudinal sectional side view of a glass mounting portion of a watch case, and FIG.
It is an expanded sectional view of a packing of (a).

FIG. 7 is a longitudinal sectional side view showing an example of a shock-resistant mitigation structure of a wristwatch, showing a glass built-in portion and a bezel built-in portion of a watch case when a conventional structure example is applied.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Watch case 3 Glass (transparent member) 5 Packing 6 Rigid bezel (buffer cover) 7 Buffer rubber (buffer member) 8 Stepped screw (screw member) 11 Bezel mounting groove 12 Bezel cylindrical part 13 Bezel extension part 14 Mounting piece 15 Mounting Hole 16 Screw Shaft (Stopper) 22 Screw Hole 23 Packing Projection (Buffer) 24 Watch Case Top 31 Bezel Assembly Groove 32 Bezel Cylinder 33 Bezel Inward Extension 43 Packing Outer Protrusion 44) Watch case upper surface 45 Packing outer cylinder 46 Packing outermost extension 47 Buffer rubber part (buffer member)

Claims (4)

[Claims] 1. A watch case, a transparent member provided on an upper surface of the watch case and covering an internal display, a packing interposed between the periphery of the transparent member and the watch case, and a hard material. And a shock-absorbing cover formed on the upper surface side of the watch case so as to be vertically movable, wherein the packing is located between the upper surface of the watch case and the shock-absorbing cover and interferes with each other. A wristwatch having a buffer part for avoiding and relaxing. 2. The buffer cover has an extension located above the transparent member, and the buffer is a projection interposed between the upper surface of the watch case and the extension. 2. The wristwatch according to claim 1, wherein: 3. The watch case is provided with a buffer member formed of a soft material for relaxing a downward movement of the buffer cover, and the buffer member is formed integrally with the packing. The wristwatch according to claim 1 or 2, wherein 4. The buffer cover has a mounting hole that is vertically movable along a screw member fixed to the timepiece case, and the screw member regulates a vertical movement amount of the buffer cover. 2. The device according to claim 1, further comprising a stopper.
The wristwatch according to 2 or 3.