JP6269403B2 - Shockproof structure and watch for equipment case - Google Patents

Description

  The present invention relates to an impact resistant structure for a device case and a timepiece.

Conventionally, various types of impact resistant structures have been studied, such as providing a buffer member in order to mitigate the impact on an internal module or the like even when an external force is applied to the timepiece and prevent a failure or the like.
For example, Patent Document 1 includes an inner case in which a movement of a watch is accommodated, and an outer case that covers at least a part of the inner case, and the outer case is made of an inner case made of a hard material and an outer case made of a soft material. It is described that it consists of.
When such a configuration is adopted, the impact applied from the outside to the watch is absorbed by the elastic deformation of the outer shell made of a soft material, so that the impact is prevented from being transmitted to the movement and is made of a hard material. It is also possible to prevent the inner shell made from cracking.

JP 2000-329869 A

However, when a member made of a soft material is provided on the exterior of a device case such as a watch case as in the configuration described in Patent Document 1, the material is soft and easily deformed. There is a problem that it is easy to do.
If some or all of the members are rolled or detached, the impact resistance performance is lowered, and not only a sufficient shock absorbing function cannot be maintained, but also the appearance of the watch is impaired.

  The present invention has been made in view of the above circumstances, and even when a member formed of a soft material is used for an equipment case in order to mitigate an external impact, the member is prevented from being twisted or detached. It is an object of the present invention to provide an impact resistant structure for a device case and a timepiece.

In order to solve the above-mentioned problem, the impact resistant structure of the equipment case according to the present invention is:
On the visual recognition side of the case body, a first exterior member formed by superimposing a soft exterior member formed of an elastically deformable soft material and a hard exterior member formed of a hard material is provided,
The soft exterior member includes a soft exterior member main body and a projecting portion that protrudes from the soft exterior member main body toward the case main body and projects toward the center of gravity of the outer periphery of the soft exterior member. Department, and
The said hard exterior member is latched by the said soft exterior member by being clamped between the said soft exterior member main body and the said overhang | projection part, It is characterized by the above-mentioned.

The watch according to the present invention is
The impact-resistant structure of the equipment case according to any one of claims 1 to 5,
A module housed in the device case;
A display unit operated by the module;
It is characterized by having.

  According to the present invention, even when a member formed of a soft material is used for an equipment case in order to mitigate an external impact, it is possible to prevent the member from being twisted or detached.

It is a front view of the timepiece to which the impact resistant structure of the device case in the present embodiment is applied. It is a side view of the timepiece shown in FIG. It is the disassembled perspective view which looked at the timepiece case shown in FIG. 1 from the visual recognition side of the timepiece. It is the disassembled perspective view which looked at the timepiece case shown in FIG. 1 from the back surface side of the timepiece. It is sectional drawing which follows the VV line in FIG. It is sectional drawing which follows the VI-VI line in FIG. It is sectional drawing which follows the VII-VII line in FIG. (A) is the cross-sectional perspective view which expanded the 2nd exterior member and the principal part of the circumference | surroundings, (b) is the perspective view which made the principal part of the 1st exterior member the partial cross section. It is a principal part perspective view which shows the modification of a 1st exterior member. It is a side view of the timepiece with which one modification of an impact-resistant structure of a device case was applied. It is the disassembled perspective view which looked at the timepiece case shown in FIG. 10 from the visual recognition side of a timepiece. It is principal part sectional drawing of the timepiece shown in FIG.

With reference to FIGS. 1 to 8, an embodiment of an impact resistant structure for a device case and a timepiece according to the present invention will be described.
In the embodiment described below, a case where the device case is a watch case that houses a watch module or the like will be described as an example. The following embodiments are provided with various technically preferable limitations for carrying out the present invention, but the scope of the present invention is not limited to the following embodiments and illustrated examples.

FIG. 1 is a front view of a timepiece to which the impact resistant structure of the timepiece case in the present embodiment is applied, and FIG. 2 is a side view of the timepiece shown in FIG.
As shown in FIG. 1, a timepiece 100 includes a timepiece case 1 in which an impact resistant structure, which will be described later, is employed, a module 2 (see FIG. 5, etc.) housed in the timepiece case 1, and a display operated by the module 2. Part 3.
1 illustrates the case where the timepiece 100 includes the analog display unit 3 including the dial 30 having the hands 31 and the like. However, the display unit 3 provided in the timepiece 100 has an analog type. It is not limited to those. For example, it may be a digital display unit constituted by a liquid crystal panel or the like, or may be provided with both an analog method and a digital method.
Band positions 10 are provided at positions corresponding to the 12 o'clock side and the 6 o'clock side of the watch case 1 (upper and lower sides in FIG. 1), and each band mounting portion 10 has a band 4 attached thereto. Yes.

3 is an exploded perspective view of the watch case 1 according to the present embodiment as viewed from the viewing side (that is, the front surface side of the watch 100), and FIG. 4 is an exploded perspective view of the watch case 1 according to the present embodiment as viewed from the back side. FIG.
5 is a sectional view taken along line VV in FIG. 1, FIG. 6 is a sectional view taken along line VI-VI in FIG. 1, and FIG. 7 is a sectional view taken along line VII-VII in FIG. FIG.
As shown in FIGS. 3 to 7, the watch case 1 according to the present embodiment includes a case main body 11 formed in a hollow short column shape that opens up and down, and a buffer mounted so as to cover the outer periphery of the case main body 11. And a frame 12.
A back cover 15 is disposed on the back side of the case body 11, and a first exterior member 21 is disposed on the viewing side of the case body 11. In the present embodiment, the second exterior member 17 is provided between the case body 11 and the first exterior member 21.
Each member will be specifically described below.

The case body 11 is made of a hard synthetic resin such as super engineering plastic such as polyarylate (PAR) or engineering plastic such as polyacetal (POM), or a hard material such as metal such as titanium or stainless steel (SUS). Has been.
The shock absorber frame 12 is formed of a soft material such as urethane resin or silicone, and absorbs the impact by elastic deformation when the impact is applied to the watch case 1 from the outside.
The case main body 11 and the buffer frame 12 are fixed by inserting screws 13 from the side toward the inside of the watch case 1. , Screw holes 111 and 121 for inserting the screw 13 are provided at corresponding positions.
Further, projecting portions 112 and 122 constituting the band attaching portion 10 are integrally formed at positions corresponding to the 12 o'clock side and the 6 o'clock side of the timepiece in the case main body 11 and the buffer frame body 12 respectively.

  Grooves 113a and 113b are respectively formed along the circumferential direction of the case body 11 on the front and back surfaces of the case body 11 (that is, the viewing side and the back surface side of the timepiece 100). O-rings 14a and 14b are fitted.

A back cover 15 made of a hard material such as hard resin or metal is attached to the back side of the case body 11.
A screw hole 114 through which the screw 16 is inserted is formed on the back surface side end face of the case main body 11 and outside the groove 113b, and the back cover 15 has a position corresponding to the screw hole 114. A screw hole 151 through which the screw 16 is inserted is formed.
The back cover 15 is screwed and fixed to the case main body 11 with a screw 16 via a waterproof O-ring 14b, whereby the opening on the back side of the case main body 11 is closed while maintaining airtightness. The

A second exterior member 17 is attached to the front side of the case body 11 (that is, the viewing side of the timepiece 100).
The second exterior member 17 is made of a hard material such as a metal such as titanium or stainless steel (SUS), and is a substantially annular member in the present embodiment. The shape of the second exterior member 17 is not limited to an annular shape, and can be appropriately changed according to the shape of the watch case 1.
FIG. 8A is a cross-sectional perspective view showing an enlarged main part of the second exterior member 17 and the like.
As shown in FIGS. 3 to 7 and FIG. 8A, the inner side of the second exterior member 17 on the viewing side is a glass mounting portion 172 formed in a substantially cylindrical frame shape. A windshield 20 is mounted in the glass mounting portion 172 via a packing 19.

A screw hole 115 through which the screw 18 is inserted is formed on the end surface on the viewing side of the case body 11 and outside the groove 113a, and the second exterior member 17 corresponds to the screw hole 115. A screw hole 171 for inserting the screw 18 is formed at a position where the screw 18 is inserted.
The second exterior member 17 is fixed to the case main body 11 with screws 18 through a waterproof O-ring 14a.
The second exterior member 17 to which the windshield glass 20 is attached via the packing 19 is fixed to the case main body 11 via the waterproof O-ring 14a, so that the opening on the viewing surface side of the case main body 11 is It is blocked while maintaining airtightness.

The surface on the viewing side of the second exterior member 17, on the outer side of the glass mounting portion 172, the end of the first exterior member 21 on the case body 11 side along the circumferential direction of the second exterior member 17. A groove portion 173 into which the portion is fitted is formed.
The aforementioned screw hole 171 for inserting the screw 18 is formed in the groove 173. Accordingly, as shown in the cross-sectional view of FIG. 5, when the first exterior member 21 is attached, the head of the screw 18 inserted into the screw hole 171 is covered with the first exterior member 21 from the outside. It is invisible.
A screw hole 174 for attaching the first exterior member 21 to the second exterior member 17 is formed in the groove 173.

The first exterior member 21 is a member provided on the viewing side of the case body 11 and is attached to the second exterior member 17 in the present embodiment. The first exterior member 21 in the present embodiment is formed in a substantially annular shape. The shape of the first exterior member 21 is not limited to an annular shape, and can be changed as appropriate according to the shape of the watch case 1.
The first exterior member 21 is configured by superposing the soft exterior member 5 and the hard exterior member 6.
FIG. 8B is a perspective view of a main part in which a part of the first exterior member is shown in cross section.

The soft exterior member 5 is formed of an elastically deformable soft material such as urethane resin or silicone, for example, and absorbs the impact by elastic deformation when the impact is applied to the watch case 1 from the outside. ing.
In addition, the material which forms the soft exterior member 5 is not limited to what was illustrated here.
As shown in FIG. 3 to FIG. 7 and FIG. 8B, the soft exterior member 5 includes a soft exterior member main body 51, a soft exterior member protruding from the soft exterior member main body 51 toward the case body 11 and 5 and a clamping part 52 formed with an overhanging part 521 projecting toward the center of gravity of the outer peripheral shape.
The hard exterior member 6 is locked to the case body 11 side of the soft exterior member 5 by being sandwiched between the soft exterior member main body 51 and the overhang portion 521.
In this embodiment, the clamping part 52 is each arrange | positioned in the position corresponding to the 12 o'clock side and 6 o'clock side in a timepiece. Thus, by providing the clamping part 52 only in a part of the circumferential direction of the soft exterior member 5, the side surface of the hard exterior member 6 can be exposed to the outside in the part where the sandwiching part 52 is not provided (FIG. 1 and FIG. 2), the degree of freedom in design is improved, such as enjoying the combination of colors of the soft exterior member 5 and the hard exterior member 6.
Note that the position, range, number, and the like of the holding portions 52 are not limited to the illustrated example. For example, the holding portions 52 may be provided over the entire circumference of the soft exterior member 5.
Further, although three or more sandwiching portions 52 may be disposed, the sandwiching portions 52 are preferably disposed at substantially equal intervals along the circumferential direction of the soft exterior member 5. By disposing the sandwiching portion 52 in this way, the hard exterior member 6 can be held more stably.

  In the present embodiment, the overhanging portion 521 of the holding portion 52 is formed with a first locking portion 522 formed of a concave portion. In the present embodiment, the case where the first locking portion 522 is a through-hole is illustrated, but the first locking portion 522 is not limited to the through-hole, and for example, a soft exterior in the overhanging portion 521 The hollow formed in the surface facing the member main body 51 may be sufficient.

Further, the soft exterior member 5 includes a protruding piece 54 that protrudes from the soft exterior member main body 51 toward the case main body 11.
In the present embodiment, the protruding pieces 54 are respectively disposed at positions corresponding to the 3 o'clock side and the 9 o'clock side of the timepiece.
Note that the position, range, number, and the like of the protruding pieces 54 are not limited to the illustrated example, and three or more protruding pieces 54 may be disposed. However, the protruding pieces 54 are provided with the clamping portions 52. It is preferable that they are arranged at substantially equal intervals along the circumferential direction of the soft exterior member 5 while avoiding the places. By disposing the protruding pieces 54 in this way, when an impact is applied from the outside, the impact can be evenly distributed in the entire circumferential direction of the soft exterior member 5 to efficiently absorb the impact.

  The hard exterior member 6 is made of, for example, a hard material such as nylon-based resin such as Trogamide (registered trademark), super engineering plastic such as ABS resin or polyarylate (PAR), or engineering plastic such as polyacetal (POM) or polycarbonate (PC). Or various hard materials such as titanium, stainless steel (SUS), and aluminum that are not easily deformed. In addition, the material which forms the hard exterior member 6 is not limited to what was illustrated here.

A portion of the hard exterior member 6 facing the case body 11 and corresponding to the sandwiching portion 52 of the soft exterior member 5 is a stepped portion 61 having a height lower than that of the other portions. The step portion 61 is recessed by a height corresponding to the thickness of the overhang portion 521 of the holding portion 52, and the hard exterior member 6 is interposed between the soft exterior member main body 51 and the overhang portion 521 of the sandwich portion 52. The surface of the first exterior member 21 facing the case body 11 is substantially flush with the soft exterior member 5 when it is sandwiched between them. Thus, the 1st exterior member 21 is attached to the 2nd exterior member 17 without rattling by comprising so that the field which counters case body 11 in the 1st exterior member 21 may become substantially flush. Can do.
The step portion 61 is provided with a second locking portion 62 that is a convex portion at a position corresponding to the first locking portion 522 formed in the overhang portion 521.

The hard exterior member 6 is locked to the case body 11 side of the soft exterior member 5 by being sandwiched between the soft exterior member main body 51 and the overhanging portion 521 of the sandwiching section 52 as described above. (See FIG. 7 etc.).
Furthermore, in this embodiment, the case main body 11 in the soft exterior member 5 is more reliably attached by fitting the second engagement part 62 that is the convex part to the first engagement part 522 that is the concave part. It is configured so that it is locked to the side and is difficult to come off.

  Further, a notch portion 63 formed larger than the protruding piece 54 is formed at a position corresponding to the protruding piece 54 of the soft exterior member 5 in the hard exterior member 6, and the hard exterior member 6 is attached to the soft exterior member 5. The projecting piece 54 is arranged in the notch 63 when integrated with.

In addition, screw insertion portions 55 and 65 are formed in the soft exterior member 5 and the hard exterior member 6 at positions corresponding to the screw holes 174 of the second exterior member 17, respectively. The screw insertion part may be a through hole like the screw insertion part 55 in the soft exterior member 5, or may be a notch like the screw insertion part 65 in the hard exterior member 6.
As shown in FIG. 6, the first exterior member 21 is screwed and fixed to the second exterior member 17 by inserting the screw 22 through the screw insertion portions 55 and 65 from the viewing side of the timepiece 100.
Further, as shown in FIGS. 6 and 7, in the state where the first exterior member 21 is screwed to the second exterior member 17, the end of the first exterior member 21 on the case body 11 side is the first exterior member 21. 2 is fitted into the groove 173 of the exterior member 17. Thereby, even if a nail | claw etc. are caught in the soft exterior member 5 from the outside, the soft exterior member 5 formed with a soft material will be in the state which is hard to bend and remove | deviate.

In the present embodiment, the screw 22 for attaching the first exterior member 21 to the second exterior member 17 and the screw 18 for attaching the second exterior member 17 to the case body 11 are separated.
Thereby, since only the first exterior member 21 can be replaced without removing the second exterior member 17, the airtightness of the watch case 1 is impaired when the first exterior member 21 is replaced. Can be prevented.
Then, by allowing only the first exterior member 21 to be replaced while maintaining the airtightness of the watch case 1 in this way, the user can easily change the first exterior according to his / her preference and coordination with clothes. The member 21 can be replaced, and the degree of freedom to enjoy the watch 100 as fashion is improved.

Further, a screw 16 for attaching the back cover 15 to the case body 11, a screw 18 for attaching the second exterior member 17 to the case body 11, and a screw for attaching the first exterior member 21 to the second exterior member 17. 22 are provided separately, and these screws 16, 18, 22 are arranged substantially on the circumference so as to surround the outer sides of the waterproof O-rings 14 a, 14 b.
As a result, the screws 16, 18, and 22 can be efficiently disposed in a space-saving manner, and the watch case 1 can be downsized.
Further, when a plurality of screws 16, 18, and 22 are used for assembling the watch case 1 in this way, it is necessary to adjust the positions where the screws 16, 18, and 22 are provided so that the screws 16, 18, and 22 do not overlap each other. However, by arranging the screws 16, 18, and 22 substantially on the circumference, even if the positions of the screws 16, 18, and 22 are slightly shifted, the screws 16, 18, and 22 are arranged with a good balance as a whole. be able to.
Further, by arranging the screws 16, 18, and 22 so as to surround the waterproof O-rings 14a and 14b, the airtightness can be ensured more reliably.

  Next, the impact resistant structure of the watch case 1 and the operation of the watch 100 to which the watch case 1 is applied will be described.

In the present embodiment, when assembling the watch case 1, the shock absorber frame 12 is attached to the case body 11 so as to cover the outer periphery of the watch case 1, and the waterproof O is used to close the opening on the back side of the case body 11. The back cover 15 is attached with a screw 16 via the ring 14b.
Further, the display unit 3 including the module 2, the dial plate 30, the pointer 31, and the like is housed in the case body 11.
The windshield glass 20 is attached to the second exterior member 17 via the packing 19, and the second exterior member 17 is screwed via a waterproof O-ring 14 a so as to close the opening on the viewing side of the case body 11. 18 is attached to the case body 11.
Further, the hard exterior member 6 made of a hard material is sandwiched between the soft exterior member main body 51 of the soft exterior member 5 made of a soft material and the overhanging portion 521 of the clamping portion 52.
At this time, the overhanging portion 521 of the soft exterior member 5 is fitted to the step portion 61 of the hard exterior member 6, and the protruding piece 54 of the soft exterior member 5 is fitted to the notch portion 63 of the hard exterior member 6. Adjust the position.
And the hard exterior member 6 is latched by the side of the case main body 11 in the soft exterior member 5 by fitting the 2nd latching | locking part 62 which is a convex part in the 1st latching | locking part 522 which is a recessed part. Thereby, the first exterior member 21 is completed.
Finally, the completed first exterior member 21 is fixed to the viewing side of the second exterior member 17 with screws 22. At this time, the end portion on the case body 11 side of the first exterior member 21 is screwed in a state where the end portion is fitted in the groove portion 173 of the second exterior member 17.
Thereby, the impact resistant structure of the watch case 1 characteristic of the present embodiment is configured, and the watch 100 having the impact resistant structure of the watch case 1 is completed.

By adopting such an impact-resistant structure for the watch case 1 of the watch 100, when the watch case 1 is subjected to an impact from the outside, the soft exterior member 5 made of a soft material is crushed and elastically deformed. By absorbing the impact, the impact is absorbed, and the influence of the impact on the case body 11 and the module accommodated in the case body 11 is mitigated.
Further, the first exterior member 21 is configured by integrating the soft exterior member 5 formed of a soft material and the hard exterior member 6 formed of a hard material, so that the soft exterior member 5 has a nail or the like from the outside. Even if it is caught, the soft exterior member 5 made of a soft material is difficult to bend or come off.
Furthermore, the end portion of the first exterior member 21 on the case body 11 side is fixed to the second exterior member 17 in a state where the end portion of the first exterior member 21 is fitted in the groove portion 173 of the second exterior member 17. One outer member 21 is prevented from curling and coming off.

As described above, according to this embodiment, the first exterior member 21 is overlapped with the soft exterior member 5 formed of a soft material capable of elastic deformation and the hard exterior member 6 formed of a hard material. The hard exterior member 6 is sandwiched between the soft exterior member main body 51 of the soft exterior member 5 and the sandwiching portion 52 (the overhanging portion 521 of the sandwiching portion 52).
When a soft material such as urethane resin that can be elastically deformed is used as the material forming the first exterior member 21, a high impact absorbing effect can be expected, but the nail is easily caught by itself because of its high impact absorption effect. It is easy to drown and come off easily in some cases. For this reason, the appearance of the timepiece 100 is impaired, and the impact resistance effect may be reduced due to excessive deformation or displacement of the exterior member formed of a soft material.
In this regard, by adopting the configuration of the present embodiment, the first exterior member 21 is placed on the case body 11 side (this embodiment) while the hard exterior member 6 is locked to the case body 11 side of the soft exterior member 5. In the form, it can be attached to the second exterior member 17) to prevent the shape of the soft exterior member 5 from being excessively collapsed and to prevent the soft exterior member 5 from being easily bent or dislodged or displaced. be able to.
In addition, a first locking portion 522 formed of a recess is formed in the sandwiching portion 52 of the soft exterior member 5, and the first locking portion is located at a position corresponding to the first locking portion 522 in the hard exterior member 6. A second locking portion 62 made of a convex portion that fits the portion 522 is formed, and the second locking portion 62 is fitted to the first locking portion 522.
For this reason, the soft exterior member 5 and the hard exterior member 6 can be integrated more firmly, and it can prevent more reliably generation | occurrence | production of a shape collapse, a twist, etc. of the soft exterior member 5. FIG.
Furthermore, in this embodiment, when the groove portion 173 is formed on the first exterior member mounting surface (the surface on the viewing side in the timepiece) of the second exterior member 17 and the first exterior member 21 is attached, The end of the exterior member 21 on the attachment side (in this embodiment, the end on the case body 11 side) is fitted into the groove 173.
Thereby, it can prevent more reliably that the soft exterior member 5 formed with the soft material droops or remove | deviates from the attachment side edge part side.

  Although the embodiments of the present invention have been described above, the present invention is not limited to such embodiments, and various modifications can be made without departing from the scope of the present invention.

For example, in the present embodiment, when the first exterior member 21 is formed by fitting the soft exterior member 5 and the hard exterior member 6, the surface of the first exterior member 21 that faces the case body 11 is substantially flush. However, the configuration of the first exterior member 21 is not limited to this.
For example, at least a part in the circumferential direction of the soft exterior member 5 is provided with a protruding portion that protrudes from the hard exterior member 6 in a state of being overlapped with the hard exterior member 6, and an external force is applied to the soft exterior member 5. When the shape of the first exterior member 21 is deformed, the surface of the first exterior member 21 facing the case main body 11 may be substantially flush with the other.
Specifically, as shown in FIG. 9, the clamping part 56 provided with the overhanging part 561 and the first locking part 562, the protruding piece 57, the soft exterior member 5, and the hard exterior member 6. It forms in the height which protrudes from the surface by the side of the case main body 11 in the hard exterior member 6 when it fits together. In this case, the clamping part 56 and the protrusion piece 57 function as a protrusion part.
In this case, when external force (impact from the outside) is applied, the shape of the soft exterior member 5 is deformed, and the projecting portions (the sandwiching portions 56 and the projecting pieces 57) are compressed, and the case in the first exterior member 21 The surface facing the main body 11 is substantially flush.
In the case where the first exterior member 21 has such a configuration, the impact can be absorbed more by the amount that the projecting portion (the sandwiching portion 56 and the projecting piece 57) is compressed and deformed, resulting in higher impact resistance. The effect can be expected.
In this case, the projecting portions are not limited to the case where the projecting portions 56 and the projecting pieces 57 are provided. For example, a plurality or a series of protrusions may be provided over the entire circumference of the soft exterior member 5.

Moreover, in this embodiment, the soft exterior member 5 has the clamping part 52 provided with the overhang | projection part 521, and the 1st latching | locking part 522 which consists of a recessed part is formed in this overhang | projection part 521. Although illustrated, it is not essential that the soft exterior member 5 has the clamping part 52 provided with the overhang | projection part 521. FIG.
When the soft exterior member 5 does not include the clamping portion 52, the first locking portion 522 is, for example, a depression formed on the surface of the soft exterior member main body 51 that faces the second exterior member 17. May be.
Even in this case, the soft exterior member 5 formed of a soft material is integrated with the hard exterior member 6 formed of a hard material by fitting the first engaging portion 522 and the second engaging portion 62 together. Thus, it is possible to obtain the effect of preventing the soft exterior member 5 formed of a soft material from being twisted or detached.

  In the present embodiment, the first locking portion 522 provided in the soft exterior member 5 is a recess, and the second locking portion 62 provided in the hard exterior member 6 is the first locking portion 522. Although the case where it is the convex part which fits was illustrated, the structure of the 1st latching | locking part 522 and the 2nd latching | locking part 62 is not limited to this. For example, the first locking portion 522 provided on the soft exterior member 5 is a convex portion, and the second locking portion 62 provided on the hard exterior member 6 is a concave portion that fits with the first locking portion 522. May be.

Further, in the present embodiment, the first locking portion 522 is configured by three substantially circular holes, and the second locking portion 62 is configured by three substantially cylindrical projections that fit into the first locking portion 522. Although the case was illustrated, the 1st latching | locking part 522 and the 2nd latching | locking part 62 should just be a shape which mutually fits, The shape, the number provided, arrangement | positioning, etc. are not limited to the example of illustration.
Moreover, although the case where the 1st latching | locking part 522 was formed in the overhang | projection part 521 of the clamping part 52 was illustrated in this embodiment, the position in which the 1st latching | locking part 522 is provided is not limited to this.
For example, the first locking portion 522 may be disposed on the back surface side of the soft exterior member main body 51 regardless of the position of the sandwiching portion 52. In this case, the second locking portion 62 of the hard exterior member 6 is also provided at a position corresponding to the first locking portion 522.

In the present embodiment, the soft exterior member 5 includes the holding portion 52 including the overhang portion 521, the first engagement portion 522, and the hard exterior member 6 includes the second engagement portion 62. However, it is not essential to provide the first locking portion 522 and the second locking portion 62, and the hard exterior member 6 includes the soft exterior member main body 51 and the sandwiching portion 52 (the sandwiching portion). It is good also as a structure latched by the case main body side in the soft exterior member 5 by being pinched between the overhang | projection parts 521) of the part 52. FIG.
Even in this case, the soft exterior member formed of a soft material by sandwiching the hard exterior member 6 between the soft exterior member main body 51 of the soft exterior member 5 and the sandwiching portion 52 (the projecting portion 521 of the sandwiching portion 52). 5 can be integrated with the hard exterior member 6 formed of a hard material, and an effect of preventing the soft exterior member 5 formed of a soft material from being twisted or detached can be obtained.
Thus, when the 1st latching | locking part 522 and the 2nd latching | locking part 62 are not provided, the shape process of the soft exterior member 5 and the hard exterior member 6 is simplified, and the improvement of productivity can be anticipated.
In this case, since it is not necessary to provide the hard exterior member 6 with a concave portion or a convex portion, it is possible to form the hard exterior member 6 from a material that is difficult to process, such as glass or ceramic.

Further, in the present embodiment, the case where the soft exterior member 5 of the first exterior member 21 constituting the outermost exterior on the viewing side in the watch case 1 is formed of a soft material is exemplified. The configuration is not limited to this.
For example, as shown in FIGS. 10 to 12, a hard exterior member formed of a hard material on the surface side (viewing side in the watch) of the first exterior member 23 constituting the outermost exterior on the viewing side in the watch case 1. 7 and a soft exterior member 8 formed of a soft material such as urethane resin may be disposed below the hard exterior member 7 (on the back side in the timepiece).
As a material for forming the hard exterior member 7, various hard resins, metals, glass, ceramics, and the like exemplified as the material for forming the hard exterior member 6 in the above embodiment can be applied.
In this case, the first exterior member 23 is screwed into the second exterior member 17 by inserting the screw 22 through the screw insertion portions 75 and 85 in a state where the hard exterior member 7 and the soft exterior member 8 are overlapped. Stop and fix.

When the first exterior member 23 has such a configuration, the hard exterior member 7 is arranged so as not to block the outer periphery of the soft exterior member 8 as shown in FIGS. 11 and 12. Is preferred.
Thereby, when an external force (impact from the outside) is applied to the watch case 1, the shape of the soft exterior member 8 made of a soft material is crushed and spreads outside the outer periphery of the hard exterior member 7. The impact can be effectively absorbed by the deformation. In addition, by making the side surface of the soft exterior member 8 disposed under the hard exterior member 7 visible from the outside, it is possible to enjoy a combination of colors of the hard exterior member 7 and the soft external image member 8. The degree of freedom is improved.

  In the present embodiment, a wristwatch including the band 4 is illustrated as the watch 100. However, the watch 100 is not limited to a wristwatch, and may be a pocket watch, a watch configured to be detachable to a bag or the like with a key holder or the like.

Further, in the present embodiment, the case where the device case provided with the impact resistant structure is the watch case 1 and the impact resistant structure of the device case is applied to the watch 100, but the impact resistant structure of the device case is applied to the watch. The case is not limited.
For example, the shockproof structure of the device case of the present invention may be applied to device cases such as pedometers, heart rate meters, altimeters, and barometers.

Although several embodiments of the present invention have been described above, the scope of the present invention is not limited to the above-described embodiments, but includes the scope of the invention described in the claims and equivalents thereof. .
The invention described in the scope of claims attached to the application of this application will be added below. The item numbers of the claims described in the appendix are as set forth in the claims attached to the application of this application.
[Appendix]
<Claim 1>
On the visual recognition side of the case body, a first exterior member formed by superimposing a soft exterior member formed of an elastically deformable soft material and a hard exterior member formed of a hard material is provided,
The soft exterior member includes a soft exterior member main body and a projecting portion that protrudes from the soft exterior member main body toward the case main body and projects toward the center of gravity of the outer periphery of the soft exterior member. Department, and
The impact-resistant structure of an equipment case, wherein the hard exterior member is held by the soft exterior member by being sandwiched between the soft exterior member main body and the overhanging portion.
<Claim 2>
On the visual recognition side of the case body, a first exterior member formed by superimposing a soft exterior member formed of an elastically deformable soft material and a hard exterior member formed of a hard material is provided,
On the surface of the soft exterior member that faces the hard exterior member, a first engaging portion that is a concave portion or a convex portion is formed,
At a position corresponding to the first locking portion in the hard exterior member, a second locking portion including a convex portion or a concave portion that fits the first locking portion is formed,
The hard exterior member is locked to the case main body side of the soft exterior member by fitting the second locking portion to the first locking portion. Impact structure.
<Claim 3>
The holding portion of the soft exterior member is formed with a first locking portion consisting of a concave portion or a convex portion,
At a position corresponding to the first locking portion in the hard exterior member, a second locking portion including a convex portion or a concave portion that fits the first locking portion is formed,
The hard exterior member is sandwiched between the soft exterior member main body and the overhanging portion, and the second engagement portion is fitted to the first engagement portion to thereby fit the soft exterior member. The impact-resistant structure of the device case according to claim 1, wherein the structure is locked to the case body side.
<Claim 4>
A second exterior member is provided on the viewing side of the case body,
A groove portion is formed along the circumferential direction on the surface on the viewing side of the second exterior member,
4. The impact-resistant structure for an equipment case according to claim 1, wherein an end of the first exterior member on the case body side is fitted in the groove. 5. .
<Claim 5>
The soft exterior member is provided with a projecting portion projecting from the hard exterior member in a state of being overlapped with the hard exterior member at least in a part in the circumferential direction thereof,
When the soft exterior member is deformed by applying an external force, the projecting portion is pressed and shrunk so that a surface of the first exterior member facing the case body is flush with the surface. The impact-resistant structure of the equipment case according to any one of claims 1 to 4, wherein the structure is shock resistant.
<Claim 6>
The impact-resistant structure of the equipment case according to any one of claims 1 to 5,
A module housed in the device case;
A display unit operated by the module;
A watch characterized by comprising:

DESCRIPTION OF SYMBOLS 1 Watch case 5 Soft exterior member 6 Hard exterior member 11 Case main body 12 Buffer frame 14a, 14b O-ring 15 for waterproofing 15 Back cover 17 2nd exterior member 21 1st exterior member 51 Soft exterior member main body 52 Clamping part 54 Projection piece 61 Step portion 62 Second locking portion 63 Notch portion 100 Clock 173 Groove portion 521 Overhang portion 522 First locking portion

Claims (6)

On the visual recognition side of the case body, a first exterior member formed by superimposing a soft exterior member formed of an elastically deformable soft material and a hard exterior member formed of a hard material is provided,
The soft exterior member includes a soft exterior member main body and a projecting portion that protrudes from the soft exterior member main body toward the case main body and projects toward the center of gravity of the outer periphery of the soft exterior member. Department, and
The impact-resistant structure of an equipment case, wherein the hard exterior member is held by the soft exterior member by being sandwiched between the soft exterior member main body and the overhanging portion. On the visual recognition side of the case body, a first exterior member formed by superimposing a soft exterior member formed of an elastically deformable soft material and a hard exterior member formed of a hard material is provided,
On the surface of the soft exterior member that faces the hard exterior member, a first engaging portion that is a concave portion or a convex portion is formed,
At a position corresponding to the first locking portion in the hard exterior member, a second locking portion including a convex portion or a concave portion that fits the first locking portion is formed,
The hard exterior member is locked to the case main body side of the soft exterior member by fitting the second locking portion to the first locking portion. Impact structure. The holding portion of the soft exterior member is formed with a first locking portion consisting of a concave portion or a convex portion,
At a position corresponding to the first locking portion in the hard exterior member, a second locking portion including a convex portion or a concave portion that fits the first locking portion is formed,
The hard exterior member is sandwiched between the soft exterior member main body and the overhanging portion, and the second engagement portion is fitted to the first engagement portion to thereby fit the soft exterior member. The impact-resistant structure of the device case according to claim 1, wherein the structure is locked to the case body side. A second exterior member is provided on the viewing side of the case body,
A groove portion is formed along the circumferential direction on the surface on the viewing side of the second exterior member,
4. The impact-resistant structure for an equipment case according to claim 1, wherein an end of the first exterior member on the case body side is fitted in the groove. 5. . The soft exterior member is provided with a projecting portion projecting from the hard exterior member in a state of being overlapped with the hard exterior member at least in a part in the circumferential direction thereof,
When the soft exterior member is deformed by applying an external force, the projecting portion is pressed and shrunk so that a surface of the first exterior member facing the case body is flush with the surface. The impact-resistant structure of the equipment case according to any one of claims 1 to 4, wherein the structure is shock resistant. The impact-resistant structure of the equipment case according to any one of claims 1 to 5,
A module housed in the device case;
A display unit operated by the module;
A watch characterized by comprising:

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