JP6424472B2 - Case structure and watch case - Google Patents

Description

  The present invention relates to a case structure used for an electronic device such as a watch and a mobile phone, and a watch case provided with the same.

  For example, in the case structure of a watch, as described in Patent Document 1, a main case and an outer case are provided, and the outer case has a first bezel and a second bezel. It is known that two bezels are configured to cover and protect a main body case.

JP, 2010-32424, A

  In this case, the first bezel of the outer case is made of soft synthetic resin, and is configured to be decorated and disposed on the upper outer periphery of the main case. The second bezel is an elastic cover made of a soft synthetic resin, and is configured to be disposed on the outer periphery of the main body case and the lower outer periphery of the first bezel. In addition, this second bezel forms a space between the portions located on the 3 o'clock side and the 9 o'clock side and the main body case, and this space makes it easier for a portion of the second bezel to be elastically deformed. Is configured.

  However, in the case structure of such a watch, it is necessary to provide a space between the second bezel made of soft synthetic resin and the main body case, and the second bezel has a large thickness in order to absorb an impact. These increase the profile of the second bezel. In addition, since the first bezel is formed of a soft synthetic resin, if the thickness of the first bezel is reduced, the impact can not be sufficiently absorbed. Therefore, the thickness of the first bezel needs to be increased to a certain extent. There is. For this reason, when the thickness of each of the first bezel and the second bezel is increased, the outer shape of the outer case is increased, and there is a problem that the entire watch case is increased in size.

  The problem to be solved by the present invention is to provide a case structure capable of achieving impact resistance and miniaturizing the entire case, and a watch case provided with the same.

The present invention comprises: a main body case; and an outer case attached to the outer periphery of the main body case to cover the main body case, the outer case being a base member attached to the outer periphery of the main body case; an upper member which is mounted on the upper periphery, and a coupling member for coupling the base member and the upper member, said coupling member is positioned in the thickness direction of the base member while engaging the base member And a second engaging portion for engaging with the upper member and positioning in the thickness direction of the upper member .

  According to the present invention, since the base member of the outer case and the decoration member of the outer case can be securely coupled by the coupling member, impact resistance can be secured by the base member and the decoration member. Each thickness of the base member and the decorative member can be formed thin. For this reason, the external shape of the whole exterior case can be formed small, and size reduction of the whole case can be achieved by this.

FIG. 1 is an enlarged perspective view showing a watch case according to an embodiment in which the present invention is applied to a watch. It is the expansion perspective view which decomposed | disassembled and showed the watch case shown by FIG. 1 to the main body case and the exterior case. It is the expanded sectional view which disassembled and showed the main body case and the exterior case in the AA arrow of the watch case shown by FIG. It is the expanded sectional view which disassembled and showed the main body case and the exterior case in BB arrow of the watch case shown by FIG. It is the expansion perspective view which decomposed | disassembled further and showed the exterior case shown by FIG. FIG. 6 is an enlarged perspective view showing a first coupling member of the outer case shown in FIG. 5; The cross section in the 1st joint member of the exterior case shown in FIG. 2 is shown, (a) is an enlarged sectional view of the principal part in CC arrow of the exterior case of FIG. 2, (b) is the exterior case of FIG. FIG. 7C is an enlarged cross-sectional view of the main part of the exterior case of FIG. 2 taken along the line E-E. FIG. 6 is an enlarged perspective view showing a second coupling member of the outer case shown in FIG. 5; The cross section in the 2nd joint member of the exterior case shown in FIG. 2 is shown, (a) is an enlarged sectional view of the principal part in the FF arrow of the exterior case of FIG. 2, (b) is the exterior case of FIG. It is an expanded sectional view of an important section in GG arrow of a.

Hereinafter, an embodiment in which the present invention is applied to a watch will be described with reference to FIGS.
This watch is provided with a watch case 1 as shown in FIG. On the 12 o'clock and 6 o'clock sides of the watch case 1, band attachment portions 2 for attaching a watch band (not shown) are provided so as to protrude to the outside.

  On the 3 o'clock side of the watch case 1, as shown in FIG. 1, a switch portion 3 such as a crown is provided. Further, push-button switches 4 are respectively provided at positions on the 2 o'clock side, 4 o'clock side, 8 o'clock side and 10 o'clock side of the watch case 1. Furthermore, the watch case 1 is configured such that a watch module (not shown) is provided therein.

  As shown in FIGS. 1 and 2, the watch case 1 includes a main body case 5 and an outer case 6 covering the main body case 5. The main body case 5 is made of a hard synthetic resin such as an ABS resin, and as shown in FIG. That is, the upper side of the main body case 5 is formed into a cylindrical thin portion 5a, and the lower side is formed into a substantially cylindrical thick portion 5b. As shown in FIGS. 3 and 4, a metal reinforcing member 5 c is embedded in the thin portion 5 a of the body case 5.

  As shown in FIGS. 2 and 3, mounting projections 7 are provided on the thick portions 5 b located on the 12 o'clock side and the 6 o'clock side of the main body case 5 so as to correspond to the band attaching portions 2. Further, as shown in FIGS. 2 and 4, the thick-walled portion 5b located on the 3 o'clock side of the main body case 5 is provided with a large diameter switch mounting hole 8 to which the switch portion 3 such as a crown is attached. There is. A ring-shaped flange portion 8 a is provided at the outer end of the switch mounting hole 8 in a size corresponding to the outer diameter of the operation head 3 a of the switch portion 3.

  Further, as shown in FIG. 4, an engagement protrusion 9 is provided so as to protrude to the outside on the thick portion 5 b located on the 9 o'clock side of the main body case 5. Furthermore, as shown in FIG. 2, the push-button switches 4 are attached to the thick portion 5b located on the 2 o'clock side, 4 o'clock side, 8 o'clock side and 10 o'clock side of the main body case 5, respectively. A small diameter switch mounting hole 10 is provided.

  On the other hand, as shown in FIG. 5, the outer case 6 includes a base member 11 mounted on the outer periphery of the main body case 5, and a decorative member 12 mounted on the upper outer periphery of the base member 11 and the upper end of the main body case 5. , And the first and second coupling members 13 and 14 for coupling the base member 11 and the decorative member 12. The base member 11 is made of a soft synthetic resin such as urethane resin, and is configured to cover the entire outer periphery of the main body case 5.

  That is, as shown in FIGS. 2 and 5, the base member 11 is generally formed in a substantially cylindrical shape larger than the main body case 5. In this case, the base member 11 is formed in a cylindrical thin portion 11 a whose upper side corresponds to the thin portion 5 a of the main case 5, and a substantially cylindrical thick portion whose lower side corresponds to the thick portion 5 b of the main case 5. It is formed in the part 11b.

  As shown in FIGS. 2, 3 and 5, the thick cover portion 11 b located on the 12 o'clock side and the 6 o'clock side of the base member 11 has an attachment cover 15 for covering the attachment projection 7 of the main body case 5. Is provided projecting to the outside. Thus, the band attachment portion 2 of the watch case 1 is configured by the attachment protrusion 7 of the main body case 5 and the attachment cover portion 15 of the base member 11.

  Further, as shown in FIGS. 2 and 5, an arch-shaped opening 16 is provided corresponding to the flange 8a of the switch mounting hole 8 in the thick portion 11b located on the 3 o'clock side of the base member 11. It is done. That is, the upper part of the arch-shaped opening 16 is formed in a semicircular shape corresponding to the outer diameter of the flange 8a of the switch mounting hole 8, and the lower part is opened to the lower end of the base member 11. It is configured to penetrate the inside and the outside of the member 11.

  As shown in FIGS. 2 and 5, on both sides of the arched opening 16, a pair of cylindrical portions 17 are provided along the vertical direction except for the upper part of the arch. As shown in FIG. 1, the pair of cylindrical portions 17 has a protruding length, that is, a length of the base member 11 protruding in the radial direction substantially equal to the axial length of the operation head 3 a of the switch portion 3. The same length is provided so as to protrude toward the outside of the base member 11.

  As shown in FIG. 7A, the pair of cylindrical portions 17 are provided in a non-penetrating state along the vertical direction in a state where the fitting holes 17a are opened upward. Thereby, as shown in FIG. 1, the arch-shaped opening 16 is configured to be operable so that the operation head 3a of the switch 3 is positioned between the pair of cylindrical portions 17. It is done.

  Further, as shown in FIG. 4, an attachment projection 18 corresponding to a second coupling member 14 described later is provided on the outer peripheral surface of the thick portion 11b located on the 9 o'clock side of the base member 11 so as to protrude to the outside. It is done. On the inner peripheral surface of the mounting protrusion 18, an engagement recess 18a is provided, with which the engagement protrusion 9 provided on the thick portion 5b of the main body case 5 is engaged. Further, a screw insertion hole 24 to be described later is provided in the inside and the outside of the mounting protrusion 18.

  As shown in FIG. 5, the button portion 4a of the push button switch 4 is disposed at each position of the thick portion 11b located on the 2 o'clock side, 4 o'clock side, 8 o'clock side, and 10 o'clock side of the base member 11. The respective button openings 19 are provided. Further, in the thin-walled portion 11a located on the 3 o'clock side of the base member 11, a first notch 20 where a first coupling member 13 described later is disposed is longer than the length in the outer circumferential direction of the pair of cylindrical portions 17. It is provided in a long length.

  Further, as shown in FIG. 5, the thin portion 11 a located on the 9 o'clock side of the base member 11 has a second notch 21 on which a second coupling member 14 described later is disposed. The length is longer than the length of the Further, on the outer peripheral surface of the thin portion 11a of the base member 11, the locking projection 22 is in the outer peripheral direction except the first notch 20 at 3 o'clock side and the second notch 21 at 9 o'clock side. It is formed to have an arc shape along it.

  Furthermore, as shown in FIGS. 2 and 5, a plurality of screw insertion holes 24 are provided in the thick portion 11 b of the base member 11 so as to penetrate the inside and the outside of the base member 11. Thereby, as shown in FIG. 1 and FIG. 2, the plurality of screws 23 are screwed into the main case 5 through the respective screw insertion holes 24 of the base member 11 in a state of covering the outer peripheral surface of the main case 5. By being worn, it is configured to be attached to the main body case 5.

  As shown in FIGS. 1 to 5, the decorative member 12 is made of a hard material such as a metal such as aluminum or stainless steel, or a hard synthetic resin such as a synthetic resin such as a highly rigid polyamide resin. It is formed in a ring shape. That is, as shown in FIGS. 3 to 5, the decorative member 12 has a substantially circular cylindrical portion 12 a mounted on the outer periphery of the thin portion 11 a of the base member 11, an upper end surface of the thin portion 11 a of the base member 11 and It has a substantially circular ring portion 12 b disposed across the upper end surface of the thin portion 5 a of the main body case 5.

  In this case, as shown in FIG. 1, FIG. 2 and FIG. 5, the upper surface and the side surface of the portions positioned on the 12 o'clock side and the 6 o'clock side of the decorative member 12 are formed one step thicker. Further, as shown in FIG. 4 and FIG. 5, the cylindrical portion 12 a is cut out corresponding to the first notch portion 20 of the base member 11 at a position located on the 3 o'clock side of the decorative member 12. The radial length (width) of the ring portion 12 b is cut out corresponding to the first notch portion 20 of the base member 11 to form the narrow portion 25.

  In this case, as shown in FIG. 5, the narrow portion 25 located on the 3 o'clock side of the decorative member 12 has a length in the outer circumferential direction that is the length between the outer ends of the pair of cylindrical portions 17 of the base member 11. The length is substantially the same as the length, and is formed shorter than the length in the outer peripheral direction of the first notch 20. Thereby, the narrow portion 25 of the decorative member 12 positioned on the 3 o'clock side is disposed only on the upper end surface of the thin portion 5 a of the main body case 5, whereby the upper end surface of the thick portion 11 b of the base member 11 and the pair The upper end portion of the cylindrical portion 17 is configured to be exposed upward.

  Further, as shown in FIGS. 4 and 5, a pair of groove portions 26 is a base member at a position located on the 9 o'clock side of the decorative member 12, that is, at a position corresponding to the second notch 21 of the base member 11. It is provided corresponding to the both ends of the attachment protrusion 18 of 11. That is, the distance between the pair of grooves 26 is shorter than the length of the second notch 21 of the base member 11 in the outer peripheral direction, and is formed from part of the ring 12 b to the cylindrical portion 12 a. Thus, the pair of groove portions 26 is configured to expose the both end portions of the mounting protrusion 18 of the base member 11 upward.

  Furthermore, as shown in FIG. 3, on the inner peripheral surface of the cylindrical portion 12 a of the decorative member 12, as shown in FIG. 3, an engagement recess 27 with which the locking projection 22 of the base member 11 engages is a narrow portion at 3 o'clock side Except for the pair of grooves 26 on the 25 and 9 o'clock sides, it is provided in an arc shape. Thereby, when the cylindrical portion 12 a of the decorative member 12 is mounted on the outer surface of the thin portion 11 a on the upper side of the base member 11, the engagement recess 27 engages with the locking projection 22 of the base member 11. Are configured to be attached to the base member 11.

  On the other hand, each of the first and second coupling members 13 and 14 is formed of a highly rigid polyamide synthetic resin. Of the first and second coupling members 13 and 14, the first coupling member 13 is, as shown in FIG. 5, located on the 3 o'clock side of the base member 11 and on the 3 o'clock side of the decorative member 12. The position where it is located is to be coupled, and is configured to be disposed in the first notch 20 of the base member 11. That is, the first coupling member 13 includes the first combination body 28 disposed in the first notch 20 of the base member 11.

  As shown in FIG. 5, the first combined body 28 is formed to have the same thickness as the thin portion 11 a on the upper side of the base member 11 and to be curved in an arc shape continuous with the thin portion 11 a. In addition, the first combined body 28 has a width that is the same as the length in the outer peripheral direction of the first notch portion 20 of the base member 11 in the outer peripheral direction, and is narrow on the 3 o'clock side of the decorative member 12 It is formed longer than the length in the outer peripheral direction of the portion 25.

  Thereby, as shown in FIG. 5 and FIG. 7C, the decorative member 12 is a thin-walled portion of the base member 11 in a state where the first combined body 28 is disposed in the first cutout portion 20 of the base member 11. When mounted on the outer periphery of 11a, the cylindrical portions 12a at positions located on both sides of the narrow portion 25 of the decorative member 12 overlap the outer surfaces of both end portions of the first combined body 28.

  Further, as shown in FIG. 5 to FIG. 7, the first coupling member 13 has a first engagement projection 30 which is a first engagement portion engaged with the engagement recess 29 of the base member 11, and the decoration member 12. And a pair of engagement foot portions 32 engaged with the pair of cylindrical portions 17 of the base member 11. ing. As shown in FIG. 5 and FIG. 6, the first engagement protrusion 30 is provided at a middle portion in the outer circumferential direction on the outer surface of the first combined body 28 so as to project outward.

  In this case, as shown in FIGS. 4 and 7B, the first engaging protrusion of the first coupling member 13 is provided on the upper inner surface of the thick portion 11b where the arched opening 16 of the base member 11 is located. An engagement recess 29 is provided in which the 30 engages. Thus, when the first coupling member 28 is disposed in the first notch portion 20 of the base member 11, the first engagement protrusion 30 engages with the engagement recess 29 of the base member 11. It is comprised so that it may attach with respect to the base member 11 by fitting. Further, when the first engagement projection 30 of the first coupling member 13 engages with the engagement recess 29 of the base member 11, the first coupling member 13 is in the thickness direction of the base member 11 (FIG. 7B) In the vertical direction).

  As shown in FIG. 5 and FIG. 6, the second engagement protrusions 31 are provided on the outer peripheral surface of both sides of the first combined body 28 so as to protrude along the outer peripheral direction and to the outside. The second engagement protrusion 31 is a locking protrusion 22 provided on the outer peripheral surface of the thin portion 11 a of the base member 11 when the first combined body 28 is disposed in the first notch 20 of the base member 11. It is configured to be continuous corresponding to. As shown in FIG. 7C, the second engagement protrusion 31 is an engagement recess 27 provided on the inner peripheral surface of the cylindrical portion 12a at a position located on both sides of the narrow portion 25 of the decoration member 12. Are configured to engage.

  That is, as shown in FIG. 5, the decoration member 12 is mounted on the outer periphery of the thin-walled portion 11 a of the base member 11, and the decoration members 12 are formed on the outer surfaces of both end portions of the first combination body 28. When the cylindrical portions 12a at locations located on both sides of the narrow portion 25 overlap each other, as shown in FIG. 7C, the tubular portions located on both sides of the narrow portion 25 of the decorative member 12 The first coupling member 13 is configured to be attached to the decorative member 12 by engaging with the engagement recess 27 provided on the inner circumferential surface of the housing 12a. Further, when the second engagement protrusion 31 of the first coupling member 13 engages with the engagement recess 27 of the decoration member 12, the first coupling member 13 is in the thickness direction of the decoration member 12 (FIG. 7C). In the vertical direction).

  As shown in FIGS. 5 and 6, the pair of engagement legs 32 are respectively fitted in the fitting holes 17a of the pair of cylindrical portions 17 provided in the base member 11, and the pair of cylindrical portions It is provided on the both sides of the 1st combination 28 corresponding to 17 via the 1st attaching part 33. As shown in FIG. That is, as shown in FIG. 6, the pair of engagement legs 32 extend downward from the outer surface of the first attachment portion 33 of the first combined body 28.

  As a result, as shown in FIGS. 5 and 7A, when the first combined body 28 is disposed in the first notch portion 20 of the base member 11, the pair of engagement legs 32 is a base member. The first coupling portion 13 is rigidly fixed to the base member 11 by being respectively fitted into the fitting holes 17 a of the pair of cylindrical portions 17 provided at 11. In addition, the first coupling member 13 of the first coupling member 13 includes the base member 11 by fitting the engagement foot 32 of the first coupling member 13 into the fitting hole 17 a of the cylindrical portion 17 of the base member 11. Is positioned in a plane perpendicular to the thickness direction of the

  In this case, as shown in FIGS. 5 and 6, the first attachment portions 33 provided on both sides of the first combined body 28 are for attaching a first cover member 40 to be described later, and have a prismatic shape. It is formed and arranged to be disposed on the upper surface of the thick portion 11 b of the first notch 20 of the base member 11. In this case, the first attachment portion 33 is formed to have the same height as the first combined body 28. The first mounting portion 33 is provided with a screw hole 33a from the top to the bottom.

  On the other hand, as shown in FIG. 5, the second coupling member 14 couples the portion located on the 9 o'clock side of the base member 11 and the portion located on the 9 o'clock side of the decorative member 12. It is configured to be disposed in the second notch 21 of the member 11. That is, the second coupling member 14 includes a second coupling body 34 disposed in the second notch 21 of the base member 11.

  As shown in FIG. 5, the second combined body 34 is formed to have the same thickness as the thin portion 11 a on the upper side of the base member 11 and to be curved in an arc shape continuous with the thin portion 11 a. The second combined body 34 has a length in the outer peripheral direction equal to the length in the outer peripheral direction of the second notch 21 of the base member 11 and is located on the 9 o'clock side of the decorative member 12. It is formed longer than the length between the grooves 26.

  Thereby, the decoration member 12 is mounted on the outer periphery of the thin portion 11 a of the base member 11 in the state where the second combined body 34 is disposed in the second notch 21 of the base member 11 as shown in FIG. At this time, except for a portion corresponding to the pair of groove portions 26 of the decorative member 12, the cylindrical portion 12a of the decorative member 12 is configured to overlap the outer surface of the second combined body 34.

  Further, as shown in FIGS. 5, 8 and 9, the second coupling member 14 has a third engagement protrusion 36 which is a first engagement portion engaged with the engagement recess 35 of the base member 11; It has the 4th engagement projection 37 which is the 2nd engagement part engaged with the engagement crevice 27 of decoration member 12, and the 2nd attaching part 38 for attaching the 2nd cover member 45 mentioned below . As shown in FIG. 8 and FIG. 9B, the third engagement protrusions 36 are provided in the lower part on both sides in the outer peripheral direction on the outer surface of the second combined body 34 so as to protrude in a step shape toward the outside .

  In this case, as shown in FIG. 9B, the third engagement projection 36 of the second coupling member 14 is engaged with the inner peripheral surface of the attachment projection 18 positioned on the 9 o'clock side of the base member 11 An engagement recess 35 is provided above the engagement recess 18 a of the mounting projection 18. Thus, when the second coupling member 34 is disposed in the second notch 21 of the base member 11, the third engagement protrusion 36 engages with the engagement recess 35 of the base member 11. It is comprised so that it may attach with respect to the base member 11 by fitting. Further, when the third engagement projection 36 of the second coupling member 14 engages with the engagement recess 35 of the base member 11, the second coupling member 14 is in the thickness direction of the base member 11 (FIG. 9B) In the vertical direction and in the plane perpendicular to the thickness direction.

  As shown in FIG. 5 and FIG. 8, the fourth engagement protrusion 37 is formed on the outer peripheral surface of the second combined body 34 along the outer peripheral direction and to the outside except for the location of the second attachment portion 38 It is provided projecting. The fourth engaging protrusion 37 is a locking protrusion 22 provided on the outer peripheral surface of the thin portion 11 a of the base member 11 when the second combined body 34 is disposed in the second notch 21 of the base member 11. It is configured to be continuous corresponding to.

  As a result, as shown in FIG. 9 (b), the fourth engagement projection 37 is a tube of the decorative member 12 in the state where the second combined body 34 is disposed in the second notch 21 of the base member 11. When the ring-shaped portion 12a is mounted on the outer periphery of the thin-walled portion 11a on the upper side of the base member 11, by engaging with the engagement recess 27 provided on the inner peripheral surface of the cylindrical portion 12a of the decorative member 12, The second coupling member 14 is configured to be attached to the decorative member 12. In addition, the second engaging member 14 is engaged in the thickness direction of the decorative member 12 by engaging the fourth engaging projection 37 of the second connecting member 14 with the engaging recess 27 of the decorative member 12 (FIG. 9B) In the vertical direction).

  As shown in FIGS. 8 and 9A, the second attachment portion 38 is provided in a cylindrical shape on both sides of the third engagement protrusion 36 in the second combined body 34. The second attachment portion 38 is disposed on the upper surface of the thick portion 11 b corresponding to the second notch 21 of the base member 11, and is configured to correspond to the pair of groove portions 26 of the decorative member 12 in this state There is. That is, the height of the second attachment portion 38 is formed to be the same height as the second combined body 34. The second mounting portion 38 is provided with a screw hole 38 a from the top to the bottom.

  By the way, as shown in FIG. 5, the 1st cover member 40 is attached to the upper part of the 1st coupling member 13. As shown in FIG. The first cover member 40 is formed of a soft synthetic resin such as a urethane resin, and as shown in FIGS. 7A to 7C, the first cover member 40 covers the first coupling member 13 and the decoration member 12 is viewed from the upper side. It is configured to hold down.

  That is, as shown in FIG. 5, the first cover member 40 is positioned on the narrow portion 25 of the decoration member 12 and engaged from above the narrow portion 25 of the decoration member 12 positioned on the first combined body 28. A pair of first cover portions 41 covering the forefoot portion 32 and a first connecting portion 42 for connecting the pair of first cover portions 41 so as to cover the first combined body 28 positioned between the pair of engagement legs 32 And.

  In this case, as shown in FIGS. 2 and 5, screw insertion holes 44 into which the screws 43 are inserted are formed at positions where the first connection portions 42 of the pair of first cover portions 41 are connected. It is provided corresponding to the screw hole 33 a of each first mounting portion 33. Thereby, in a state where the first cover member 40 is disposed on the first coupling member 13 exposed above the narrow portion 15 of the decoration member 12, the screw 43 is inserted through the screw insertion hole 44 into the first attachment portion By screwing into the screw holes 33a of 33, as shown in FIG. 7A, it is configured to be attached to the first coupling member 13.

  Further, as shown in FIGS. 1 and 2, the first cover member 40 is disposed on both sides of the narrow portion 15 of the decoration member 12 and the first coupling member 13 exposed above it. When attached to the first coupling member 13 with the screw 43, as shown in FIGS. 7A to 7C, the inner end portions of the pair of first cover portions 41 located inside the decorative member 12 Is configured to press both sides of the narrow portion 25 of the decoration member 12 onto the first coupling member 13 and expose the middle portion of the narrow portion 25 of the decoration member 12 between the pair of first cover portions 41 There is.

  On the other hand, a second cover member 45 is attached to the upper portion of the second coupling member 14 as shown in FIG. The second cover member 45 is also formed of a soft synthetic resin such as urethane resin, and as shown in FIGS. 9 (a) and 9 (b), the second cover member 45 covers the second coupling member 14 and the decoration member 12 is viewed from the upper side. It is configured to hold down.

  That is, as shown in FIG. 5, the second cover member 45 is located at the 9 o'clock side of the decorative member 12 and from the 9 o'clock side of the decorative member 12 located on the second combined body 34. A pair of second cover portions 46 covering the second mounting portion 38 and both end portions of the mounting protrusion 18 positioned on the 9:00 side of the base member 11, and the decorative member 12 positioned on the upper side of the second combined body 34 And a second connecting portion 47 connecting the pair of second cover portions 46.

  In this case, as shown in FIGS. 2 and 5, the screw insertion hole 48 into which the screw 43 is inserted is a portion of the second coupling member 14 in the pair of second cover portions 46 where the second coupling portion 47 is coupled. It is provided corresponding to the screw hole 38 a of each second mounting portion 38. Thus, as shown in FIG. 9A, the second cover member 45 is disposed on the second coupling member 14 exposed above the portion located on the 9 o'clock side of the decorative member 12. The screw 43 is configured to be attached to the second coupling member 14 by being screwed into the screw hole 38 a of the second attachment portion 38 through the screw insertion hole 48.

  Further, as shown in FIGS. 1 and 2, the second cover member 45 is disposed on a portion located on the 9 o'clock side of the decorative member 12 and on the second coupling member 14 exposed above it. When attached to the second coupling member 14 with the screw 43, as shown in FIG. 9A, the inner end portions of the pair of second cover portions 46 located inside the decorative member 12 are the inner end portions of the decorative member 12; While pressing the location of the pair of groove portions 26 located on the hour side onto the second coupling member 14 and exposing a part located on the 9 o'clock side of the decorative member 12 between the pair of second cover portions 46 ing.

Next, the case where such a watch case 1 is assembled will be described.
In this case, the exterior case 6 attached to the main body case 5 is assembled in advance. At this time, first, the first connecting member 13 and the second connecting member 13 are inserted into the first notch 20 located on the 3 o'clock side of the base member 11 and the second notch 21 located on the 9 o'clock side of the base member 11. The connecting members 14 are respectively attached.

  That is, when the first coupling member 13 is attached to the first notch 20 located on the 3 o'clock side of the base member 11, as shown in FIG. 5, the pair of engagement legs 32 of the first coupling member 13. Are inserted into the fitting holes 17 a of the pair of cylindrical portions 17 provided on the 3 o'clock side of the base member 11. In this state, when the pair of engagement legs 32 are pushed into and fitted into the fitting holes 17 a of the pair of cylindrical portions 17, the first combination body 28 of the first coupling member 13 is the first notch of the base member 11. It is arranged in the section 20.

  At this time, as shown in FIG. 7 (b), the first engaging projection 30 provided on the first combined body 28 is provided on the upper part of the arched opening 16 located on the 3 o'clock side of the base member 11. Engage with the engaged recess 29. Thus, the fitting of the pair of engagement feet 32 into the fitting holes 17a of the pair of cylindrical portions 17 and the engagement of the first engagement protrusions 30 with the engagement recesses 29 of the base member 11 The first coupling member 13 is securely fixed to the base member 11. Further, the first coupling member 13 is reliably positioned in the thickness direction with respect to the base member 11 and in a plane perpendicular to the thickness direction.

  In this state, the first combined body 28 continues in an arc shape with the same thickness as the thin portion 11 a on the upper side of the base member 11. As a result, the second engagement projections 31 provided on the outer peripheral surface of the first combined body 28 continue corresponding to the locking projections 22 provided on the outer peripheral surface of the thin portion 11 a of the base member 11. Further, in this state, as shown in FIG. 7A, each first attachment portion 33 located between the first combined body 28 and the pair of cylindrical portions 17 is a first notch of the base member 11 It is arranged on thick part 11 b located in part 20.

  On the other hand, in the case where the second coupling member 14 is attached to the second notch 21 positioned on the 9 o'clock side of the base member 11, as shown in FIG. 9B, the second combination of the second coupling member 14 The third engaging projection 36 provided on 34 is engaged with the engaging recess 35 provided on the upper inner peripheral surface of the thick portion 11 b corresponding to the second notch 21 located on the 9 o'clock side of the base member 11. Engage. In this state, the second combined body 34 is disposed in the second notch 21 of the base member 11. Thereby, the second coupling member 14 is fixed to the base member 11. Further, the second coupling member 14 is reliably positioned in the thickness direction with respect to the base member 11 and in a plane perpendicular to the thickness direction.

  In this state, the second combined body 34 continues in an arc shape with the same thickness as the thin portion 11 a on the upper side of the base member 11. As a result, the fourth engagement protrusions 37 provided on the outer peripheral surface of the second combined body 34 continue corresponding to the locking projections 22 provided on the outer peripheral surface of the thin portion 11 a of the base member 11. Further, in this state, as shown in FIG. 9A, the pair of second attachment portions 38 provided in the second combined body 34 corresponds to the thick portion 11 b of the second notch portion 21 of the base member 11. It is placed on the top.

  Then, the decorative member 12 is attached to the base member 11. At this time, as shown in FIG. 5, first, the narrow portion 25 of the decoration member 12 is made to correspond to the first coupling member 13 disposed in the first notch portion 20 located on the 3 o'clock side of the base member 11. The pair of grooves 26 of the decorative member 12 correspond to the pair of second attachment portions 38 of the second coupling member 14 disposed in the second notch 21 located on the 9 o'clock side of the base member 11.

  In this state, the cylindrical portion 12a of the decorative member 12 is fitted and mounted on the outer periphery of the thin portion 11a on the upper side of the base member 11. At this time, as shown in FIG. 3, the engaging recess 27 provided on the inner peripheral surface of the cylindrical portion 12 a of the decorative member 12 is the engaging protrusion 22 provided on the outer peripheral surface of the thin portion 11 a of the base member 11. Engage in Thereby, the cylindrical portion 12 a of the decorative member 12 is attached to the thin portion 11 a of the base member 11.

  In this state, as shown in FIGS. 3 and 4, the ring portion 12b of the decorative member 12 covers the upper end portion of the thin portion 11a of the base member 11 and protrudes inside the thin portion 11a. The lower end surface of the cylindrical portion 12 a of the decorative member 12 abuts on the upper end surface of the thick portion 11 b of the base member 11, and most of the outer peripheral surface of the cylindrical portion 12 a of the decorative member 12 is the thickness of the base member 11 It does not protrude from the outer peripheral part located in the upper end part of the meat part 11b, but is located inside the part and a part is located on the substantially same surface. Thereby, it attaches so that the cylindrical part 12a of the decoration member 12 may not turn up from lower side.

  Further, at this time, as shown in FIG. 7C, the cylindrical portions 12 a located on both sides of the narrow portion 25 located on the 3 o'clock side of the decorative member 12 are the first notch 20 of the base member 11. And overlap the outer circumferences of both sides of the first coupling member 28 of the first coupling member 13 attached thereto. Therefore, the engagement recesses 27 provided on the inner peripheral surface of the cylindrical portion 12a located on both sides of the narrow portion 25 of the decorative member 12 are provided on the outer peripheral surface located on both sides of the first combined body 28. The second engaging protrusion 31 is engaged.

  Thereby, as shown in FIG. 7C, the cylindrical portions 12a positioned on both sides of the narrow portion 25 positioned on the 3 o'clock side of the decorative member 12 are attached to the first notch portion 20 of the base member 11. It is attached to the first coupling body 28 of the first coupling member 13. In this state, the first coupling member 13 at a location corresponding to the narrow portion 25 of the decorative member 12 is exposed above the decorative member 12.

  Similarly, the second coupling member 14 is attached to the second notch 21 of the base member 11 except for the pair of grooves 26 of the decorative member 12 and the cylindrical portion 12a located on the 9 o'clock side of the decorative member 12. Overlap the outer peripheral surface of the second combination 34 of For this reason, as shown in FIG. 9B, the engagement recess 27 provided on the inner peripheral surface of the cylindrical portion 12a located on the 9 o'clock side of the decorative member 12 is on the outer peripheral surface of the second combined body 34. It engages with the provided fourth engagement protrusion 37.

  Thereby, as shown in FIG. 9 (b), the cylindrical portion 12 a located on the 9 o'clock side of the decoration member 12 is attached to the second notch portion 21 of the base member 11. 2 Attached to a combined body 34. In this state, as shown in FIG. 9A, the respective second attachment portions 38 of the second coupling member 14 at positions corresponding to the pair of groove portions 26 of the decorative member 12 are exposed above the decorative member 12.

  As a result, the decorative member 12 made of metal, hard synthetic resin or the like is attached to the thin portion 11a of the base member 11 made of soft synthetic resin such as urethane resin. Further, the 3 o'clock side of the decorative member 12 is attached to the 3 o'clock side of the base member 11 by the first connecting member 13 made of a rigid high-rigid polyamide resin, and the 9 o'clock side of the decorative member 12 is polyamide based. It is attached to the 9 o'clock side of the base member 11 by a second connecting member 14 made of a rigid high rigid synthetic resin.

  Thereafter, as shown in FIGS. 2 and 5, a first cover member 40 made of a soft synthetic resin such as urethane resin is attached onto the first coupling member 13, and a urethane resin or the like is attached onto the second coupling member 14. A second cover member 44 made of soft synthetic resin is attached.

  That is, when the first cover member 40 is mounted on the first coupling member 13, the pair of first cover portions 41 is first coupled from both ends of the narrow portion 25 located on the 3 o'clock side of the decorative member 12. The first connecting portion 42 disposed on the pair of engaging legs 32 provided on the first combined body 28 of the member 13 and connecting the pair of first cover portions 41 is positioned between the pair of engaging legs 32 Are placed on the first combination 28.

  Then, as shown in FIG. 7A, each of the screw insertion holes 44 provided in the portion of the pair of first cover portions 41 to which the first connection portion 42 is connected corresponds to each of the first connection members 13. It corresponds to the screw hole 33 a of the mounting portion 33. In this state, the screws 43 are inserted into the screw insertion holes 44 from above the first cover member 40, and the inserted screws 43 are screwed into the screw holes 33a of the first mounting portion 33 and tightened.

  As a result, as shown in FIG. 7A, the first cover member 40 is attached to the first coupling member 13 in a state of covering the first coupling member 13. In this state, the inner end portions of the pair of first cover portions 41 located inside the decorative member 12 press the both side portions of the narrow portion 25 of the decorative member 12 onto the first coupling member 13. Thereby, the 3 o'clock side of the decorative member 12 is securely attached to the base member 11 and the first coupling member 13. In addition, by attaching the first cover member 40 to the first coupling member 13, the first cover member 40 and the cylindrical portion 17 of the base member 11 can be used on the switch portions 3 such as the crown and the 2 and 4 o'clock sides. The provided push-button switch 4 is guarded to protect it from external shocks.

  On the other hand, when the second cover member 45 is mounted on the second coupling member 14, as shown in FIG. 5, the pair of second cover portions 46 is on the pair of groove portions 26 located on the 9 o'clock side of the decorative member 12. From the second connecting member 34 of the second connecting member 14 and on both ends of the mounting projection 18 located on the 9 o'clock side of the base member 11, and The second connecting portion 47 connecting the second cover portion 46 is disposed on the decoration member 12 located on the upper side of the second connecting member 14.

  Then, as shown in FIG. 9A, each screw insertion hole 48 provided at a position corresponding to the second connecting portion 47 in the pair of second cover portions 46 corresponds to the second pair of second connecting members 14. It corresponds to the screw hole 38 a of the mounting portion 38. In this state, the screws 43 are inserted into the screw insertion holes 48 from above the second cover member 45, and the inserted screws 43 are screwed into the screw holes 38a of the second mounting portion 38 and tightened.

  Thereby, as shown in FIG. 2, in a state in which the second cover member 45 covers both end portions of the attachment protrusion 18 of the base member 11, the second coupling member 14, and the corresponding decoration member 12. , And the second coupling member 14. In this state, the second cover member 45 presses the decorative member 12 against the second coupling member 14. Thus, the 9 o'clock side of the decorative member 12 is securely attached to the base member 11 and the second coupling member 14. As a result, the outer case 6 is assembled. Further, by attaching the second cover member 45 to the second coupling member 14, the push button switch 4 provided on the 8 o'clock side and the 10 o'clock side by the second cover member 45 and the attachment projection 18 of the base member 11 can be used. Guard to protect from external impact.

  Then, the exterior case 6 is attached to the main body case 5. In this case, as shown in FIG. 2, the arch-shaped opening 16 provided on the 3 o'clock side of the base member 11 of the outer case 6 corresponds to the flange 8 a of the switch mounting hole 8 of the main case 5. The mounting protrusion 18 provided on the 9 o'clock side of the base member 11 of the exterior case 6 corresponds to the engagement protrusion 9 of the main body case 5. Further, the attachment cover portions 15 provided on the 12 o'clock side and the 6 o'clock side of the base member 11 of the exterior case 6 correspond to the attachment projections 7 of the main body case 5.

  In this state, the base member 11 of the outer case 6 is pushed out to cover each mounting cover portion 15 with each mounting projection portion 7 of the main body case 5, and the thick portion 11 b of the base member 11 is thickened. Put on the outer periphery of 5b. Then, as shown in FIG. 4, the engagement projection 9 of the main body case 5 engages with the engagement recess 18 a of the attachment projection 18 provided on the 9 o'clock side of the base member 11 to thin the base member 11. The portion 11 a is mounted on the outer periphery of the thin portion 5 a of the main body case 5.

  At this time, the inner peripheral end of the ring portion 12 b of the decorative member 12 is disposed on the upper end surface of the thin portion 5 a of the main body case 5. Further, at this time, the arched opening 16 of the base member 11 corresponds to the flange 8a of the switch mounting hole 8 of the main body case 5, and the 2 o'clock side, the 4 o'clock side, the 8 o'clock side of the base member 11 and Each button opening 19 on the 10 o'clock side corresponds to the small diameter switch mounting hole 10 of the main body case 5.

  Then, the plurality of screws 23 are respectively inserted into the plurality of screw insertion holes 24 provided in the thick portion 11 b of the base member 11, and the plurality of inserted screws 23 are screwed to the thick portion 5 b of the main body case 5. Thus, the outer case 6 is attached to the main case 5 in a state of covering the main case 5. Thereby, the watch case 1 is assembled.

  As described above, according to this watch case 1, the main body case 5 and the outer case 6 mounted on the outer periphery of the main body case 5 to cover the main body case 5 are provided. A base member 11 mounted on the base member 11, a decorative member 12 mounted on the upper outer periphery of the base member 11, and first and second connecting members 13 and 14 for connecting the base member 11 and the decorative member 12; Therefore, impact resistance can be secured, and the entire watch case 1 can be miniaturized.

  That is, in the wristwatch case 1, since the base member 11 of the exterior case 6 and the decorative member 12 of the exterior case 6 can be reliably coupled by the first and second coupling members 13 and 14, Each thickness with the decoration member 12 can be formed thin. For this reason, since the external shape of the whole exterior case 6 can be formed small, size reduction of the whole watch case 1 can be achieved.

  Further, in the wristwatch case 1, since the main body case 5 can be protected from the impact from the outside by the outer case 6, impact resistance can be secured, and each color of the base member 11 and the decorative member 12 can be Since they can be freely changed, combinations of these colors can be freely selected, and a wide variety of color development can be performed, so that a variety of designs with excellent design can be provided.

  In this case, the upper side of the base member 11 of the outer case 6 is formed as a cylindrical thin portion 11a, the lower side is formed as a cylindrical thick portion 11b, and the decorative member 12 is thin as the base member 11 Since the thin cylindrical portion 12a disposed on the outer periphery of the portion 11a and the thin ring portion 12b disposed on the upper end of the thin portion 11a of the base member 11, the exterior case 6 is formed. The overall outer diameter can be made smaller.

  That is, the first and second coupling members 13 and 14 of the exterior case 6 are formed of a highly rigid polyamide synthetic resin, the base member 11 is formed of a soft synthetic resin such as urethane resin, and the decorative member 12 is By being formed of metal such as aluminum or hard synthetic resin, the thickness of each of the upper side of the base member 11 and the decorative member 12 can be thin. Thereby, the outer shape of the outer case 6 can be formed small, and the base member 11 and the decorative member 12 can be securely and firmly coupled by the first and second coupling members 13 and 14.

  In this case, the first coupling member 13 is engaged with the first engagement protrusion 30 engaged with the engagement recess 29 located on the 3 o'clock side of the base member 11 and the second engagement member engaged with the engagement recess 27 of the decoration member 12. Since the base member 11 is formed of a soft synthetic resin such as urethane resin, and the decorative member 12 is formed of a thin metal such as aluminum or a hard synthetic resin, since the base member 11 has the engaging projection 31. Even in this case, the base member 11 and the decorative member 12 can be securely and firmly coupled by the first coupling member 13.

  That is, the first coupling member 13 has the first coupling body 28 disposed in the first notch 20 provided on the 3 o'clock side of the base member 11, and the first engagement protrusion 30 is the first coupling body By being provided on the outer peripheral surface located in the middle part of 28, when the first combined body 28 is disposed in the first notch portion 20 of the base member 11, it is located on the 3 o'clock side of the base member 11. The first engagement protrusion 30 can be engaged with the engagement recess 29 provided in the upper portion of the thick portion 11 b, whereby the first coupling member 13 can be securely attached to the base member 11.

  In addition, since the second engagement protrusions 31 of the first coupling member 13 are provided on the outer peripheral surfaces of both end portions of the first coupling body 28, the first coupling body 28 is a first notch of the base member 11. When the cylindrical portion 12a of the decorative member 12 is arranged in the thin portion 11a of the upper portion of the base member 11 in the state of being arranged at 20, the first bonding with the inner peripheral surface of the cylindrical portion 12a of the decorative member 12 The second engaging protrusion 31 of the first coupling member 13 is engaged with the engaging recess 27 provided on the inner peripheral surface of the cylindrical portion 12 a of the decorative member 12 by overlapping the outer peripheral surfaces of both ends of the body 28. Thus, the decorative member 12 can be securely attached to the first coupling member 13.

  On the other hand, the second coupling member 14 is engaged with the third engagement protrusion 36 engaged with the engagement recess 35 located on the 9 o'clock side of the base member 11 and the fourth engagement engaged with the engagement recess 27 of the decoration member 12. Since the base member 11 is also formed of a soft synthetic resin such as urethane resin, the decorative member 12 is formed thin by a metal such as aluminum or a hard synthetic resin. Even if the second connecting member 14 is used, the base member 11 and the decorative member 12 can be reliably and firmly connected.

  That is, the second coupling member 14 has the second coupling body 34 disposed in the second notch 21 provided on the 9 o'clock side of the base member 11, and the third engagement protrusion 36 is the second coupling body When the second combined body 34 is disposed in the second notch portion 21 of the base member 11 by being provided on the outer peripheral surface of 34, the upper portion of the thick portion 11b located on the 9 o'clock side of the base member 11 The third engagement protrusion 36 can be engaged with the engagement recess 35 provided on the second connection member 14, whereby the second coupling member 14 can be securely attached to the base member 11.

  Further, since the fourth engagement projection 37 of the second coupling member 14 is provided on the outer peripheral surface of the second coupling body 34, the second coupling body 34 is disposed in the second notch 21 of the base member 11. When the cylindrical portion 12a of the decorative member 12 is disposed in the thin portion 11a of the upper portion of the base member 11 in the closed state, the inner peripheral surface of the cylindrical portion 12a of the decorative member 12 and the second combined body 34 By overlapping with the outer peripheral surface, the fourth engaging projection 37 of the second coupling member 14 can be engaged with the engaging recess 27 provided on the inner peripheral surface of the cylindrical portion 12 a of the decorative member 12. Thus, the decorative member 12 can be securely attached to the second coupling member 14.

  Further, the first coupling member 13 further includes a pair of engaging foot portions 32 engaged with the pair of cylindrical portions 17 provided on the base member 11, whereby the pair of engaging foot portions 32 is formed. Can be fitted into the fitting holes 17 a provided in the pair of cylindrical portions 17, so that the first coupling member 13 can be securely and firmly fixed to the base member 11.

  That is, even if the base member 11 is provided with the arched opening 16, the pair of cylindrical parts 17 are provided on both sides of the arched opening 16 so that they are fitted into the pair of cylindrical parts 17. The strength of the base member 11 at a position located in the arched opening 16 can be secured by the first coupling member 13 having the pair of engaging legs 32.

  Further, in the wristwatch case 1, an engagement protrusion 22 is provided on the outer peripheral surface of the base member 11, and an engagement recess in which the engagement protrusion 22 of the base member 11 engages with the inner peripheral surface of the decorative member 12. By providing 27, when the decorative member 12 is attached to the base member 11, the locking projection 22 of the base member 11 can be engaged with the engagement recess 27 of the decorative member 12, Also by this, the decorative member 12 can be securely attached to the base member 11.

  In this case, the locking projection 22 of the base member 11 is provided on the outer peripheral surface of the thin portion 11a located on the upper side of the base member 11, and the engagement recess 27 of the decorative member 12 is the thin portion 11a of the base member 11. When the cylindrical portion 12a of the decorative member 12 is mounted on the outer periphery of the thin portion 11a of the base member 11, the cylindrical shape of the decorative member 12 is mounted on the outer peripheral surface of the cylindrical portion 12a. The lower end portion of the portion 12a can be mounted in contact with the upper end portion of the thick portion 11b of the base member 11 so as not to protrude from the outer periphery of the base member 11, thereby causing the decorative member 12 to curl up with respect to the base member 11. It can be reliably prevented.

  Further, in the watch case 1, the first cover member 40 which is attached to the first coupling member 13 so as to cover the first coupling member 13 and which presses the 3 o'clock side of the decorative member 12 and the second coupling member 14 is covered. The first cover member 40 covers and protects the first coupling member 13 by providing the second cover member 45 attached to the second coupling member 14 and pressing the 9 o'clock side of the decorative member 12. In addition, the second cover member 45 can cover and protect the second coupling member 14, which also enables the decorative member 12 to be securely and firmly attached to the base member 11.

  In this case, the first cover member 40 has a pair of first cover portions 41 covering the engagement foot portion 32 of the first coupling member 13 from the upper part on the 3 o'clock side of the decoration member 12, and the pair of engagement foot portions Since it has the 1st connection part 42 which covers the 1st combination object 28 located between 32 and connects a pair of 1st cover parts 41, screw insertion provided in a pair of 1st cover parts 41 is carried out By screwing the screw 43 into the screw hole 33a of the first attachment portion 33 of the first coupling member 13 through the hole 44, the first cover member 40 can be securely attached to the first coupling member 13, and The decorative member 12 can be pressed and fixed to the first coupling member 13 by the first cover member 40.

  Similarly, the second cover member 45 covers the pair of second cover portions 46 covering the second attachment portion 38 of the second coupling member 14 from the upper portion on the 9 o'clock side of the decorative member 12 and the second combined body 34. Of the second coupling member 14 through the screw insertion holes 48 provided in the pair of second cover portions 46. The second cover member 45 can be securely attached to the second coupling member 14 by screwing it into the screw hole 38 a of the second attachment portion 38, and the decoration member 12 is secondly coupled by the second cover member 45. It can be pressed against the member 14 and fixed.

  In this case, since the first cover member 40 and the second cover member 45 are formed of a soft synthetic resin such as urethane resin, impact resistance can be improved, and in addition, the first and second covers By making the members 40 and 45, the base member 11 and the decorative member 12 different in color, not only can more various colors can be developed, but also the first and second cover members 40 and 45 are expressed as design accents Since it can be done, it is possible to provide more highly designable products.

  Furthermore, in the wristwatch case 1, the exterior case 6 can be securely attached to the main body case 5 by fixing the base member 11 to the main body case 5 with a plurality of screws 23, and the external case 6 can be Since the main body case 5 can be securely and favorably protected by the outer case 6 by this, it is possible to provide a further excellent shock resistance.

  In this case, a plurality of screw insertion holes 24 are provided in the thick portion 11b of the base member 11 so as to penetrate inside and outside of the base member 11, and the main body case 5 is formed of hard synthetic resin. Each screw insertion hole 24 of the base member 11 is opposed to the thick portion 5 b of the base member 5 so that each screw 23 is screwed to the thick portion 5 b of the main body case 5 through each screw insertion hole 24 of the base member 11 Therefore, the outer case 6 can be attached to the main case 5 firmly and firmly.

  In the embodiment described above, the locking projection 22 is provided on the outer peripheral surface of the base member 11, and the engagement recess 27 in which the locking projection 22 of the base member 11 is engaged is provided on the inner peripheral surface of the decorative member 12. However, the present invention is not limited thereto. For example, a locking projection may be provided on the outer peripheral surface of the base member 11 by providing an engaging recess on the outer peripheral surface of the decorative member 12 and engaging the engaging recess of the base member 11 It may be a configuration provided.

  Moreover, although the case where the base member 11 and the decoration member 12 were couple | bonded by two coupling members of the 1st coupling member 13 and the 2nd coupling member 14 was described in embodiment mentioned above, it does not restrict to this, Three The base member 11 and the decorative member 12 may be connected by the above connecting members, or the base member 11 and the decorative member 12 may be connected by one connecting member.

  Furthermore, although the case where it applied to watch case 1 was described in the embodiment mentioned above, it is not necessary to necessarily be watch case 1, for example, it applies to various watch cases, such as a travel watch, an alarm clock, a clock, a clock, etc. Can. In addition to the watch case, the present invention can also be applied to an arm-worn electronic device used by being attached to an arm or a device case of various electronic devices such as a mobile phone and a portable information terminal.

As mentioned above, although one Embodiment of this invention was described, this invention is not limited to this, The invention described in the claim, and the range of equivalence are included.
The invention described in the claims of the present application is appended below.

(Supplementary note)
The invention according to claim 1 comprises a main body case, and an outer case attached to the outer periphery of the main body case to cover the main body case, the outer case being a base member attached to the outer periphery of the main body case The case structure is characterized by including a decorative member mounted on an upper outer periphery of the base member, and a connecting member connecting the base member and the decorative member.

  The invention according to claim 2 is the case structure according to claim 1, wherein the coupling member is engaged with the base member and a first engaging portion for positioning in the thickness direction of the base member; And a second engaging portion engaged with the decorative member and positioned in the thickness direction of the decorative member.

  The invention according to claim 3 is the case structure according to claim 2, wherein the coupling member further includes an engagement foot that engages with a cylindrical portion provided on the base member, and the engagement is performed. The foot portion is a case structure characterized by positioning in a plane perpendicular to the thickness direction of the base member.

  The invention according to claim 4 is characterized in that, in the case structure according to claim 2, the first engaging portion is positioned in a plane perpendicular to the thickness direction of the base member. Case structure. It is.

  The invention according to claim 5 is the case structure according to any one of claims 1 to 4, wherein one of the base member and the decorative member is provided with a locking projection, and the base The other of the member and the decorative member is provided with an engaging recess with which the locking projection is engaged, and the engaging recess is engaged with the locking projection to attach the decorative member to the base member It is a case structure characterized by being

  The invention according to claim 6 is the case structure according to claim 5, wherein the locking projection is provided in an arc shape along the outer peripheral surface of the thin portion on the upper side of the base member, and the engagement recess is An arc is provided along an inner circumferential surface of a circular cylindrical portion of the decorative member, and a second engaging portion of the coupling member is continuous corresponding to the locking projection when attached to the base member. The decorative member is attached to the base member and the connecting member by engaging the engaging recess with the locking projection and the second engaging portion. It is a case structure to be characterized.

  The invention according to claim 7 is the case structure according to any one of claims 1 to 6, further comprising a cover member which is attached to the coupling member so as to cover the coupling member and which holds the decorative member. And a case structure characterized by

  The invention according to claim 8 is the case structure according to claim 7, wherein the cover member has a screw insertion hole into which a screw is inserted, and the coupling member is inserted into the screw insertion hole of the cover member. The cover member is attached to the coupling member by screwing the screw into the screw hole of the attachment portion through the screw insertion hole. A case structure is characterized in that the exterior case is assembled by fixing the decorative member and the base member.

  The invention according to claim 9 is the case structure according to any one of claims 1 to 8, characterized in that the base member is fixed to the main body case by a plurality of screws. is there.

  The invention according to claim 10 is a watch case comprising the case structure according to any one of claims 1 to 9.

DESCRIPTION OF SYMBOLS 1 watch case 5 main body case 5a thin-walled portion 5b thick-walled portion 6 exterior case 11 base member 11a thin-walled portion 11b thick-walled portion 12 decorative member 12a tubular portion 12b ring portion 13 first coupling member 14 second coupling member 16 opening 17 Tubular portion 18 Mounting projection 20 First notch 21 Second notch 22 Locking projection 23, 43 Screw 27, 29, 35 Engaging recess 28 1st coupling body 30 1st engagement projection 31 2nd engagement Joint projection 32 engagement foot 33 first mounting portion 34 second coupling body 36 third engagement projection 37 fourth engagement projection 38 second mounting portion 40 first cover member 45 second cover member

Claims (12)

A body case, and an outer case attached to an outer periphery of the body case to cover the body case;
The outer case includes a base member attached to an outer periphery of the main body case, an upper member attached to an upper outer periphery of the base member, and a connecting member connecting the base member and the upper member .
The coupling member engages with the base member and engages with the upper member in a first engagement portion for positioning in the thickness direction of the base member, and locates in the thickness direction of the upper member. A case structure comprising a second engaging portion . A body case, and an outer case attached to an outer periphery of the body case to cover the body case;
The outer case includes a base member attached to an outer periphery of the main body case, an upper member attached to an upper outer periphery of the base member, and a connecting member connecting the base member and the upper member.
One of the base member and the upper member is provided with a locking projection, and the other of the base member and the upper member is provided with an engagement recess with which the locking projection is engaged. The upper member is attached to the base member by the engagement recess engaging with the locking projection;
The locking projection is provided in an arc along the outer peripheral surface of the upper thin portion of the base member, and the engagement recess is an arc along the inner peripheral surface of the circular cylindrical portion of the upper member. And the second engagement portion of the coupling member is provided in an arc shape so as to be continuous with the locking projection when attached to the base member, and the engagement recess is provided in the locking portion. The case structure characterized in that the upper member is attached to the base member and the connecting member by engaging the protrusion and the second engaging portion. A body case, and an outer case attached to an outer periphery of the body case to cover the body case;
The outer case includes a base member attached to an outer periphery of the main body case, an upper member attached to an upper outer periphery of the base member, and a connecting member connecting the base member and the upper member.
A case structure comprising: a cover member attached to the coupling member to cover the coupling member and pressing the upper member. In case structure according to claim 2 or claim 3, wherein the coupling member includes a first engaging portion for positioning in a thickness direction of the base member while engaging the base member, engaged with the upper member And a second engaging portion for positioning in the thickness direction of the upper member. The case structure according to claim 1 or 4 , wherein the coupling member further includes an engagement foot that engages with a cylindrical portion provided on the base member, and the engagement foot is configured to A case structure characterized by positioning in a plane perpendicular to the thickness direction of the base member. The case structure according to claim 1 , wherein the first engaging portion is positioned in a plane perpendicular to the thickness direction of the base member. In case structure according to claim 1 or claim 3, in one of said upper member and said base member, the locking projection is provided on the other of said base member and said upper member, said A case structure comprising: an engagement recess in which a locking projection engages; and the upper member being attached to the base member by the engagement recess engaging with the locking projection. 8. The case structure according to claim 7 , wherein the locking protrusion is provided in an arc shape along the outer peripheral surface of the thin portion on the upper side of the base member, and the engagement recess is a circular cylinder of the upper member. The second engaging portion of the coupling member is provided in an arc shape so as to be continuous to correspond to the locking projection when attached to the base member. The case structure characterized in that the upper member is attached to the base member and the coupling member by the engagement recess engaging with the locking projection and the second engagement portion. The case structure according to claim 1 or 2 , further comprising: a cover member attached to the connecting member so as to cover the connecting member and pressing the upper member. 10. The case structure according to claim 9 , wherein the cover member has a screw insertion hole into which a screw is inserted, and the coupling member is provided with a screw hole at a position corresponding to the screw insertion hole of the cover member. The cover member is attached to the coupling member by screwing the screw into the screw hole of the attachment portion through the screw insertion hole to fix the upper member and the base member. A case structure characterized in that the outer case is assembled. The case structure according to any one of claims 1 to 10 , wherein the base member is fixed to the main body case by a plurality of screws. A watch case comprising the case structure according to any one of claims 1 to 11 .

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