JP2006194811A - Fixed structure of decorative member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable securing and firm fixing of a decorative member to a case body, using a simple attachment work, and without using screws. <P>SOLUTION: When a soft synthetic resin-made decorative member 7 is attached to the external side surface of the case body 4 with pin members 8, the pin members 8 are inserted into the pin-fitting holes 25 of the decorative member 7, and both ends of the pin members 8 are arranged on each of the upper surfaces of a pair of engaging projecting sections 28 formed on a case body 4. Under these conditions, the decorative member 7 is pressed from an upper side thereof. Then, the decorative member 7 is elastically deformed, to be engaged to each recess 29 of a pair of the engaging projecting sections 28, while both the ends of the pin members 8 are moved, along each upper surface of a pair of engaging projecting sections 28. Thus, an engaging recess 21 of the decorative member 7 is engaged to an engaging projection 27 of the case body 4 and the member 7 is fixed to the case body 4. Accordingly, the simple work of pressing the decorative member 7 with the pin members 8 fitted thereto from the upper side, without using screws, enables secure and firm fixing of the decorative member 7 to the case body 4. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a fixing structure for a decorative member used in a device case such as a wristwatch case.

Conventionally, in a wristwatch case, as described in Patent Document 1, when a decorative ring is attached to the outer periphery of the upper portion of the case body, a band attachment part for attaching the watch band to the side surface of the case body is fixed by a plurality of screws. A claw portion for holding the decorative ring is formed on the band mounting component, and the decorative ring is held by the claw portion of the band mounting component with a slight clearance around the decorative ring. There is what I did.
Japanese Utility Model Publication No. 3-36992

  However, in such a conventional wristwatch case, since the band attachment component is fixed to the side surface of the case body with a plurality of screws, the plurality of screw holes formed on the side surface of the case body and the band attachment component are formed. If a position shift occurs between the screw insertion holes, the band mounting part cannot be accurately mounted at a predetermined position on the side surface of the case body, and the claw portion of the band mounting part has a slight clearance around the outer periphery of the decorative ring. Therefore, it is difficult to hold the decorative ring accurately and satisfactorily, and there is a risk that the claw portion of the band mounting part may damage the decorative ring.

  For this reason, in such a conventional wristwatch case, there is a problem that when the band attachment part is attached to the case body, the positioning work is very troublesome and time-consuming, and in particular, the band attachment part is attached to the case body. Therefore, if a plurality of screws are not used, the band mounting part cannot be securely fixed to the case body, which increases the number of parts, which also complicates the band mounting part mounting work. There is a problem that the installation work takes time.

  The problem to be solved by the present invention is to provide a decorative member fixing structure capable of securely and firmly fixing a decorative member to a case body by a simple mounting operation without using a screw.

In order to solve the above problems, the present invention includes the following components.
In addition, the reference numerals of the drawings attached to the respective elements described in the section of the embodiment to be described later are attached to the respective constituent elements together with parentheses.

  As shown in FIGS. 1 to 7, the invention described in claim 1 includes a case main body (4), a synthetic resin decorative member (7) disposed on a side surface of the case main body, and the decorative member. A pin member (8) for attaching to the case body, and the decorative member has an engagement portion (engagement recess 21) corresponding to a side surface of the case body, and the engagement portion An attachment hole (pin attachment hole 25) into which the pin member is inserted is formed in a lower portion positioned on the lower side, and a locking surface with which the engagement portion of the decoration member engages is formed on a side surface of the case body. A pair of protrusions (locking protrusions 27) having recesses (29) for locking the both end portions of the pin member at the lower part of the locking portion formed on the lower portion (locking protrusions 27). A projection 28) is formed, and the pin member is the mounting hole of the decorative member. In this state, both ends of the pin member move along the upper surface of the protrusion of the case body, elastically deform the decorative member, and engage with the recess of the protrusion. The decorative member fixing structure is characterized in that the decorative member is fixed to the case body by engaging the engaging portion of the decorative member with the locking portion of the case main body.

  As shown in FIG. 1 to FIG. 7, the pin member (8) is provided on each upper surface of the pair of protrusions (locking protrusions 28) of the case body (4). 2. The decorative member fixing structure according to claim 1, wherein guide inclined surfaces (30) for guiding both end portions to the concave portion (29) of the protruding portion are formed.

  As shown in FIGS. 1 to 7, the invention described in claim 3 is provided between the engagement portion (engagement recess 21) and the attachment hole (pin attachment hole 25) in the decorative member (7). 3. The decorative member fixing structure according to claim 1, wherein a biting recess is formed.

  As shown in FIGS. 1 to 7, the invention according to claim 4 is provided with a bezel (5) attached to the outer peripheral portion of the case body (4), and the decorative member (7) is inserted into the bezel. A notch (6) is formed, whereby the bezel is attached to the case body, and the decorative member is attached by the pin member (8) in a state of being arranged in the notch of the bezel. The decorative member fixing structure according to any one of claims 1 to 3, wherein the decorative member fixing structure is provided.

  According to the first aspect of the present invention, when the decorative member made of synthetic resin is attached to the side surface of the case body with the pin member, the pin member is inserted into the mounting hole of the decorative member, and the engaging portion of the decorative member is When both ends of the pin member are arranged on the upper surfaces of the pair of protrusions formed on the case body and the decorative member is pressed from above in this state, the both ends of the pin member are paired. The decorative member made of synthetic resin is elastically deformed while moving along the upper surfaces of the protrusions of the pin, and when both ends of the pin member are engaged with the recesses of the pair of protrusions, the decorative member is moved to the case by its elastic return force. By being pressed against the side surface of the main body, the engaging portion of the decorative member engages with the locking portion of the case main body, and the decorative member is fixed to the case main body. Therefore, the decorative member in which the pin member is inserted into the mounting hole Press from above Simple work, can be reliably and firmly fix the decorative member to the case body.

  For this reason, since there is no need to attach the decorative member to the case body with a plurality of screws as in the conventional example, the positioning operation of the decorative member with respect to the case main body can be performed easily and easily, thereby greatly increasing the time of the mounting work. It can be shortened and productivity can be improved. In addition, since multiple screws are not used, the number of parts can be minimized, thereby preventing an increase in the number of parts. Also, simplification of parts management can be achieved.

  According to the second aspect of the present invention, the guide inclined surfaces for guiding the both end portions of the pin member to the respective concave portions of the pair of projecting portions are formed on the upper surfaces of the pair of projecting portions formed on the case body, respectively. When the decorative member is pressed from above with both end portions of the pin member inserted into the mounting hole of the decorative member being disposed on the upper surfaces of the pair of protruding portions, the upper surfaces of the pair of protruding portions are Since the both ends of the pin member can be smoothly guided by the formed guide inclined surfaces to the respective recesses of the pair of protrusions, the both ends of the pin member are securely and satisfactorily engaged with the respective recesses of the pair of protrusions. This also improves the mounting workability.

  According to the invention described in claim 3, the biting recess is formed at the position located between the engaging portion and the attachment hole in the decorative member, so that the bit corresponding to the biting recess in the decorative member is A constricted portion having a small thickness can be formed. For this reason, when the decorative member is pressed from above and both ends of the pin member move along the upper surfaces of the pair of protrusions of the case body, the thin constricted portion formed on the decorative member The lower side of the member can be easily elastically deformed.

  Accordingly, both end portions of the pin member can be smoothly moved along the respective upper surfaces of the pair of protrusion portions, so that both end portions of the pin member are reliably and satisfactorily engaged with the respective recess portions of the pair of protrusion portions. In addition, when the both ends of the pin member are engaged with the recesses of the pair of protrusions, the decorative member is pressed against the side surface of the case body by its elastic restoring force, so that the engaging part of the decorative member is The engaging portion can be reliably and satisfactorily engaged. For this reason, it is possible to prevent the upper part of the decorative member from being turned over with respect to the case main body, and it is also possible to securely and firmly fix the decorative member to the case main body.

  According to the invention described in claim 4, the bezel is attached to the outer peripheral portion of the case body, and the notch portion into which the decorative member is inserted is formed in the bezel, whereby the bezel is attached to the case body. By attaching the decorative member with the pin member in a state of being arranged in the notch portion of the bezel, it is possible to obtain both the decorative effect by the bezel and the decorative effect as an accent by the decorative member. As a result, a highly decorative product can be obtained.

An embodiment in which the decorative member fixing structure of the present invention is applied to a wristwatch case will be described below with reference to FIGS.
1 is an external perspective view of the wristwatch of the present invention, FIG. 2 is a side view of FIG. 1, FIG. 3 is an exploded perspective view of the watch case of FIG. 2, and FIG. 4 is a perspective view of the decorative member of FIG. FIG. 5 and FIG. 5 are enlarged cross-sections taken along line AA in FIG.
As shown in FIGS. 1 to 5, the watch case 1 has watch bands 2 attached at locations corresponding to 12:00 and 6 o'clock, and locations corresponding to the 3 o'clock side and the 9 o'clock side. The push button switch 3 is provided at the 9 o'clock side (not shown).

  As shown in FIGS. 3 and 5, the wristwatch case 1 is disposed in a case main body 4, a bezel 5 attached to the outer peripheral surface of the case main body 4, and a notch 6 formed in the bezel 5. The decorative member 7 attached to the side surface of the case main body 4 and the pin member 8 for attaching the decorative member 7 to the case main body 4 are provided. The case body 4 is made of a hard synthetic resin or metal, and is formed in a substantially cylindrical ring shape as shown in FIG. 3, and a watch glass as shown in FIG. 9 is installed. As shown in FIG. 5, a timepiece module 10 is arranged inside the case main body 4 located below the timepiece glass 9.

  As shown in FIG. 1, the timepiece module 10 includes a display unit for displaying information such as time, and various components necessary for a timepiece function. In this case, the display unit is composed of a flat display element such as a liquid crystal display element or an EL (electroluminescence) display element and displays information such as time in an electro-optical manner. Has been placed. Further, a parting plate 11 is disposed between the timepiece module 10 and the timepiece glass 9 in the case body 4 as shown in FIG. Further, as shown in FIGS. 2 and 5, a back cover 12 is attached to the lower part of the case body 4 via a waterproof ring 13.

  Further, as shown in FIG. 3, a band attaching portion 14 is formed at a location corresponding to 12:00 and 6 o'clock on the outer side surface of the case body 4. The band attaching portion 14 is for attaching the watch band 2 to the case main body 4, and has a pair of attachment arm portions 14a protruding from the lower part of the outer side surface of the case main body 4 toward the outer side. A band mounting screw hole 15 is provided corresponding to each other on each side surface of the pair of mounting arm portions 14a. Further, as shown in FIG. 3, a switch mounting recess 16 and a bezel mounting recess 17 of the pushbutton switch 3 are provided at locations located on the outer side surface of the case body 4 at the 3 o'clock side and the 9 o'clock side. .

  The bezel 5 is made of a soft synthetic resin such as polyurethane resin, and as shown in FIGS. 1 to 3, the entire bezel 5 is formed in a substantially ring shape, and is attached to the outer periphery of the case body 4 so as to cover the side surface from the upper end surface. It is comprised so that. That is, the bezel 5 is formed in a substantially ring shape having a step having a small diameter at the top and a large diameter at the bottom, the inner peripheral surface of the upper portion is disposed on the upper end surface of the case body 4, and the lower inner peripheral surface is the case. It is formed so as to be arranged on the side surface of the main body 4.

  As shown in FIG. 3, a notch portion 6 for disposing the decorative member 7 is provided at the portion corresponding to the band mounting portion 14 in the bezel 5, that is, the portion corresponding to 12 o'clock and 6 o'clock. A connecting portion 18 for connecting the bezels 5 to each other is formed in the cutout portion 6. As shown in FIG. 5, the connecting portion 18 is formed in a substantially flat plate shape, spans the opposing surface of the notch portion 6, and is attached to the upper end surface of the outer peripheral portion of the case body 4 via a double-sided adhesive tape 18 a. It is configured to be arranged.

  Further, as shown in FIG. 3, a band attachment cover portion 19 that covers the pair of attachment arm portions 14 a of the band attachment portion 14 is formed at the lower end portion of the bezel 5, and the bezel attachment recess portion of the case body 4 is formed. A bezel mounting cover portion 20 disposed at 17 is formed. In this case, the band attachment cover portion 19 is provided with screw insertion holes 19a corresponding to the screw holes 15 of the attachment arm portions 14a. Further, the bezel mounting cover part 20 is provided with a screw insertion hole 20b into which the screw 20a is inserted. The screw 20a is screwed into the screw hole 16c in the bezel mounting recess 17 of the case body 4 through the screw insertion hole 20b of the bezel mounting cover section 20, so that the bezel mounting cover section 20 is fixed to the case body 4. It is configured.

  By the way, the decorative member 7 arranged in the notch 6 of the bezel 5 is made of a soft synthetic resin such as polyurethane resin like the bezel 5, and the notch of the bezel 5 is shown in FIGS. 6 is formed in substantially the same shape. In this case, an engagement recess 21 is formed on the inner surface of the decorative member 7, that is, the surface facing the outer surface of the case body 4, as shown in FIGS. 4 and 5. A biting recess 22 is formed on the inner surface of the decorative member 7 located on the side. Thereby, the decorative member 7 has a thin constricted portion 23 formed in a portion corresponding to the biting recess 22.

  Moreover, as shown in FIGS. 3 to 5, a pin mounting portion 24 is formed on the lower end portion of the decorative member 7 so as to protrude downward. That is, as shown in FIG. 3, the pin attachment portion 24 is disposed between the pair of attachment arm portions 14 a of the band attachment portion 14 through the notch portion 6 located in the band attachment cover portion 19 of the bezel 5. A pin mounting hole 25 to which the pin member 8 is mounted by press-fitting is formed at the center of the pin mounting portion 24. Further, as shown in FIG. 5, a pressing portion 26 that presses the connecting portion 18 of the bezel 5 disposed on the upper end surface of the outer peripheral portion of the case body 4 is formed at the upper end portion of the decorative member 7.

  On the other hand, on the upper part of the outer side surface of the case body 4 at a location corresponding to the band mounting portion 14, as shown in FIGS. 3 to 5, a locking convex portion 27 that engages with the engaging concave portion 21 of the decorative member 7. It is formed to protrude outward. As shown in FIGS. 3 and 5, the locking projection 27 has an inclined surface that gradually protrudes and inclines from the top to the bottom, and the lower end surface of the inclined surface forms a substantially horizontal plane. Thus, the whole is formed in a wedge shape. In addition, a pair of latches for latching both ends of the pin member 8 is provided at the lower part of the side surface of the case body 4 located below the latching projection 27 as shown in FIGS. The protrusion 28 is formed in a state of being positioned between the pair of attachment arm portions 14 a of the band attachment portion 14.

  That is, as shown in FIG. 3, the pair of locking projections 28 are integrally provided on the opposing surfaces of the pair of mounting arm portions 14a of the band mounting portion 14, and the protruding length to the outside thereof is the mounting arm. The length of the portion 14a is shorter and the upper surface is formed lower than the upper surface of the mounting arm portion 14a. Thus, the pair of mounting arm portions 14 a are configured such that the opposing surfaces form guide walls over the upper side and the distal end side of the pair of locking projections 28. In this case, as shown in FIG. 5, a semicircular arc-shaped recess 29 into which both end portions of the pin member 8 are respectively inserted is formed at each distal end portion of the pair of locking projections 28. In addition, on the upper surfaces of the pair of locking projections 28, guide inclined surfaces 30 that guide both end portions of the pin member 8 to the respective recesses 29 are formed to be inclined at a predetermined angle.

  As shown in FIGS. 3 and 5, the pin member 8 is formed in a round bar shape whose outer diameter is substantially the same as the inner diameter of the pin mounting hole 25 of the decorative member 7, and thus the pin of the decorative member 7 is formed. It is configured to be press-fitted into the mounting hole 25. Further, the pin member 8 is formed so that its length is the same as or slightly shorter than the width between the pair of attachment arm portions 14a of the band attachment portion 14, so that both ends of the pin member 8 are paired with each other. The both ends of the pin member 8 are disposed between the opposing surfaces of the pair of mounting arm portions 14a, and the both ends of the pin member 8 are in this state the pair of locking projections. It moves along each upper surface of 28, and it is comprised so that it may insert in each recessed part 29 formed in each front-end | tip part of a pair of latching projection part 28, respectively, and may be latched.

Next, a case where such a watch case 1 is assembled will be described.
In advance, a watch glass 9 is mounted on the upper portion of the case body 4, the watch module 10 is accommodated in the case body 4, and a back cover 12 is attached to the lower portion of the case body 4 via a waterproof ring 13. Then, the bezel 5 is attached to the outer peripheral surface of the case body 4. At this time, as shown in FIG. 3, the notch portion 6 of the bezel 5 is made to correspond to the band attachment portion 14 of the case body 4, and the bezel attachment cover portion 20 of the bezel 5 is made to correspond to the bezel attachment recess 17 of the case body 4. Let

  In this state, when the inner peripheral surface of the upper portion of the bezel 5 is brought into contact with the upper end surface of the case body 4 and the inner peripheral surface of the lower portion of the bezel 5 is brought into contact with the outer peripheral surface of the case body 4, 19 covers a pair of mounting arm portions 14 a of the band mounting portion 14, the screw insertion holes 19 a of the band mounting cover portion 19 correspond to the screw holes 15 of the mounting arm portion 14 a, and the screw insertion holes 20 b of the bezel mounting cover portion 20. Corresponds to the screw hole 16 c of the bezel mounting recess 17. Accordingly, when the screw 20 a is inserted into the screw insertion hole 20 b of the bezel attachment cover portion 20 and screwed into the screw hole 16 c of the bezel attachment recess 17, the bezel 5 is fixed to the case body 4.

  Thereafter, as shown in FIG. 3, the pin member 8 is inserted and attached to the pin attachment hole 25 formed in the pin attachment portion 24 of the decorative member 7 by press fitting. Then, the decorative member 7 to which the pin member 8 is attached is disposed in the notch portion 6 of the bezel 5. At this time, as shown in FIG. 6, the engaging recess 21 of the decorative member 7 is opposed to the outer surface of the case body 4 at a location corresponding to the band mounting portion 14, and the both ends of the pin member 8 are paired with a pair of latches. A double-sided adhesive tape 18a is disposed between the upper surface of the outer peripheral portion of the case main body 4 and the connecting portion 18 located in the notch 6 of the bezel 5 while being disposed on each upper surface of the protrusion 28 (see FIG. 7). ).

  In this state, as shown in FIG. 6, when the decorative member 7 is pressed from above, the decorative member 7 moves downward while being pressed against the outer surface of the case body 4, and both ends of the pin member 8 are paired. Therefore, the decorative member 7 is elastically deformed so that the lower side of the decorative member 7 is pushed toward the outside of the case body 4. At this time, since the narrow constricted portion 23 is formed in the decorative member 7 by the biting recess 22 formed on the inner surface of the decorative member 7, the lower side of the decorative member 7 moves the pin member 8 by the constricted portion 23. It is easily and well elastically deformed according to the above.

  Further, when both ends of the pin member 8 move along the upper surfaces of the pair of locking projections 28 while the decorative member 7 is elastically deformed, they are formed on the upper surface of the locking projections 28 as shown in FIG. The both ends of the pin member 8 are smoothly and satisfactorily guided toward the concave portions 29 of the pair of locking projections 28 by the guide inclined surfaces 30 thus formed. In particular, at this time, the opposing surfaces of the pair of attachment arm portions 14a of the band attachment portion 14 protrude from the upper surfaces and the distal end surfaces of the pair of locking projections 28 to form a guide wall. The both end surfaces of the pin member 8 can be guided by the guide walls formed by the opposing surfaces of the portion 14a, so that the pin member 8 can be reliably inserted into the concave portions 29 of the pair of locking projections 28 without being displaced in the lateral direction. Guided by

  Then, when both end portions of the pin member 8 are engaged with the recesses 29 of the pair of locking projections 28, the decorative member 7 is applied to the outer surface of the case body 4 by its elastic return force as shown in FIGS. When pressed, the engaging recess 21 of the decorative member 7 engages with the locking convex portion 27 on the outer surface of the case body 4, and the upper holding portion 26 of the decorative member 7 is the upper end surface of the outer peripheral portion of the case body 4. The connecting portion 18 of the bezel 5 arranged on the press is pressed through the double-sided adhesive tape 18a, and the decorative member 7 is fixed to the outer surface of the case body 4 in this state.

  After that, the watch band 2 is attached to the band attaching portion 14 of the case body 4. At this time, as shown in FIGS. 3 and 5, the front end surface of the timepiece band 2 is brought into contact with the outer side surface of the decorative member 7 and the outer side surface of the bezel 5. 14, and in this state, the screw 31 is screwed into each screw hole 15 provided in each attachment arm portion 14 a of the band attachment portion 14 through the screw insertion hole 2 a provided in the watch band 2. Is attached to the band attaching portion 14 of the case body 4.

  Thus, according to the wristwatch case 1, when the decorative member 7 made of soft synthetic resin is attached to the outer surface of the case body 4 with the pin member 8, the pin member 8 is press-fitted into the pin mounting hole 25 of the decorative member 7. When both ends of the pin member 8 are arranged on the upper surfaces of the pair of locking projections 28 formed on the case body 4 and the decorative member 7 is pressed from above in this state, both ends of the pin member 8 are When the lower side of the decorative member 7 is elastically deformed while moving along the upper surfaces of the pair of locking projections 28 and both ends of the pin member 8 are engaged with the recesses 29 of the pair of locking projections 28, The decorative member 7 is pressed against the side surface of the case main body 4 by its elastic restoring force, whereby the engagement concave portion 21 of the decorative member 7 is engaged with the locking convex portion 27 of the case main body 4, and the decorative member 7 is Pin member 8 is attached The decorative member 7 which is a simple operation of merely pressing from above, can be reliably and firmly fix the decorative member 7 in the case body 4.

  For this reason, since there is no need to attach the decorative member 7 to the case body 4 with a plurality of screws as in the conventional example, the positioning operation of the decorative member 7 with respect to the case main body 4 can be performed easily and easily. The time can be greatly shortened, so that productivity can be improved and the number of parts can be minimized by not using multiple screws, thereby increasing the number of parts. This makes it possible to simplify the management of parts.

  In this case, on each upper surface of the pair of locking projections 28 of the case body 4, guide inclined surfaces 30 that guide both end portions of the pin member 8 to the recesses 29 of the locking projections 28 are inclined at a predetermined angle. When the decorative member 7 is pressed from above with both end portions of the pin member 8 inserted into the pin mounting hole 25 of the decorative member 8 being disposed on the upper surfaces of the pair of locking projections 28. In addition, both end portions of the pin member 8 can be smoothly guided to the concave portions 29 of the locking projections 28 by the guide inclined surfaces 30 formed on the upper surfaces of the pair of locking projections 28. Both end portions can be reliably engaged with the respective concave portions 29 of the pair of locking projections 28, and this also improves the mounting workability.

  Further, at this time, since the biting recess 22 is formed between the engagement recess 21 and the pin mounting hole 25 in the decorative member 8, a thin constriction is formed at a location corresponding to the biting recess 22 in the decorative member 7. The part 23 can be formed. For this reason, when the decorative member 7 is pressed from above, both ends of the pin member 8 attached to the decorative member 7 move along the upper surfaces of the pair of locking projections 28 formed on the case body 4. In addition, the thin constricted portion 23 formed on the decorative member 7 can facilitate elastic deformation of the lower side of the decorative member 7.

  Thereby, since the both ends of the pin member 8 can be smoothly moved along each upper surface of the pair of locking projections 28, the decorative member 7 and the case main body 4 are not damaged each other. Both end portions can be smoothly and satisfactorily engaged with the respective concave portions 29 of the pair of locking projection portions 28, and both end portions of the pin member 8 are engaged with the respective concave portions 29 of the pair of locking projection portions 28. Since the decorative member 7 is pressed against the outer surface of the case main body 4 by its elastic restoring force, the engaging concave portion 21 of the decorative member 7 can be reliably and satisfactorily engaged with the engaging convex portion 27 of the case main body 4. it can.

  For this reason, as shown in FIG. 7, even if an external force is applied from the direction of arrow B to the presser portion 26 at the upper end of the decorative member 7, it is possible to prevent the upper portion of the decorative member 7 from being turned up against the case body 4. The connecting portion 18 located in the notch portion 6 of the bezel 5 can be reliably pressed by the pressing portion 26 of the decorative member 7. In this case, in particular, when the watch band 2 is attached to the band attaching portion 14, the front end surface of the watch band 2 comes into contact with the outer surface of the decorative member 7, and the decorative member 7 is pressed, so that the external force in the direction of arrow E in FIG. Even if it is added to the decorative member 7, it is possible to reliably prevent the pressing portion 26 of the decorative member 7 from coming off the connecting portion 18.

  Further, in the wristwatch case 1, a bezel 5 is attached to the outer peripheral portion of the case body 4, and a notch portion 6 into which the decorative member 7 is inserted is formed in the bezel 5, whereby the bezel 5 is attached to the case body 4. Both the decorative effect by the bezel 5 and the decorative effect as an accent by the decorative member 7 are provided by being mounted by the pin member 8 in a state where the decorative member 7 is disposed in the notch 6 of the bezel 5. Thus, a decorative effect can be obtained, whereby a highly decorative product can be obtained.

  In the above-described embodiment, the case where the decorative member 7 and the bezel 5 fixed to the outer surface of the case body 4 are separately formed has been described. However, the present invention is not limited thereto, and the bezel 5 is integrally formed with the decorative member 7. The configuration may be acceptable. In this way, not only the number of parts can be reduced, but also the assembling work can be simplified, and the productivity can be further improved.

  In the above embodiment, the case where the device case is applied to the wristwatch case 1 has been described. It can be widely applied to device cases of various electronic devices such as mobile phones, calculators, and PDAs (personal digital assistants).

1 is an external perspective view of a wristwatch to which the present invention is applied. It is a side view of FIG. It is a disassembled perspective view of the wristwatch case of FIG. It is the perspective view which reversed the decoration member of FIG. 3 right and left. It is an expanded sectional view of the principal part in the AA arrow of FIG. It is an expanded sectional view of the principal part which showed the state before attaching the decoration member of FIG. 3 to a case main body. It is an expanded sectional view of the principal part which showed the movement locus | trajectory of a pin member when a decoration member is attached to a case main body in the state of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Watch case 4 Case main body 5 Bezel 6 Notch part 7 Decoration member 8 Pin member 14 Band attachment part 21 Engagement recessed part 22 Engagement recessed part 23 Constriction part 24 Pin attachment part 25 Pin attachment hole 27 Locking convex part 28 Locking protrusion part 29 Concave portion 30 Guide inclined surface

Claims (4)

A case body, a synthetic resin decorative member disposed on a side surface of the case body, and a pin member for attaching the decoration member to the case body,
In the decorative member, an engaging portion corresponding to the side surface of the case body is formed, and a mounting hole into which the pin member is inserted is formed in a lower portion located below the engaging portion,
The side surface of the case main body is formed with a locking portion that engages with the engaging portion of the decorative member, and both ends of the pin member are engaged with the lower portion located below the locking portion. A pair of protrusions having recesses to stop are formed,
The pin member is inserted into the mounting hole of the decorative member, and in this state, both end portions of the pin member elastically deform the decorative member while moving along the upper surface of the protruding portion of the case body. The engagement member of the decorative member is engaged with the engaging portion of the case main body by engaging with the concave portion of the protrusion, and the decorative member is fixed to the case main body. The fixing structure of the decorative member.   The guide upper surface which guides the both ends of the said pin member to the said recessed part of the said protrusion part is formed in each upper surface of the said pair of protrusion part of the said case main body, respectively. Fixing structure for decorative members.   3. The decorative member fixing structure according to claim 1, wherein a biting recess is formed at a position of the decorative member located between the engaging portion and the attachment hole.   A bezel is attached to the outer peripheral portion of the case body, and a notch for inserting the decorative member is formed in the bezel, whereby the bezel is attached to the case body, and the decorative member is The decorative member fixing structure according to any one of claims 1 to 3, wherein the decorative member fixing structure is attached by the pin member in a state of being arranged in the notch of the bezel.

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