JPH09243760A - Protect structure - Google Patents

Abstract

(57) Abstract: [PROBLEMS] To reduce the manufacturing cost of a wristwatch provided with a cushion cover. An upper cushion cover 8 is attached to an upper portion of a wristwatch case 1, and a lower cushion cover 9 is attached to a lower portion of the wristwatch case 1. In this case, protect member 1
0 extends from the lower surface of the lower cushion cover 9 to the upper surface of the wristwatch case 1 to the upper surface of the upper cushion cover 8 and holds the wristwatch case 1 and the cushion covers 8 and 9 from each other. Screws for attaching 9 to the wristwatch case 1 are not required, and the manufacturing cost can be reduced.

Description

Detailed Description of the Invention

[0001]

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

[0002]

2. Description of the Related Art Generally, for example, a wristwatch has a structure in which a watch glass (transparent member) is attached to the upper surface of a wristwatch case, a timepiece module is housed inside the wristwatch case, and a back cover is attached to the lower surface of the wristwatch case. Has become.
In such a wristwatch, in order to protect the watch glass, watch module, etc. from the impact of falling, an upper cushion cover is screwed on the upper part of the watch case, and the lower part is covered with the back cover on the lower part of the watch case. Some buffer covers are fixed with screws.

[0003]

However, in such a conventional wristwatch, the upper cushion cover is screwed to the upper portion of the wristwatch case and the lower cushion cover is screwed to the lower portion of the wristwatch case so as to cover the back cover. Therefore, there were the following problems. Since the screws that fix the upper and lower cushion covers with screws are exposed to the outside, decorativeness and corrosion resistance are required, and decorative screws and special screws with such decorativeness and corrosion resistance are expensive. Therefore, the manufacturing cost becomes higher. Also, when the upper cushion cover and the lower cushion cover are screwed to the wristwatch case, force is applied only to the screw fastening points, so between the upper cushion cover and the watch case other than the screw fastening points, and between the lower cushion cover and the back case. A gap is created between the lid and the lid, and foreign matter such as dust easily enters the gap. In addition, when removing foreign matter such as dust that has entered between the upper shock absorbing cover and the watch case or between the lower shock absorbing cover and the back cover, or when replacing the battery, etc. The buffer cover cannot be easily removed. An object of the present invention is to reduce the manufacturing cost, to prevent a gap between the cushion cover and the equipment case from occurring, and to easily remove the cushion cover. Is.

[0004]

According to the first aspect of the present invention,
A device case, a transparent member that is attached to the upper surface of the device case and covers the display section inside the device case, a back lid that is attached to the lower surface of the device case, and a buffer cover that is placed on the lower surface of the back lid. A protect member that extends from a lower surface of the cushion cover to an upper surface of the device case, holds the device case and the cushion cover, and is located on an upper surface of the transparent member of the device case to protect the transparent member. It is equipped with. According to a second aspect of the present invention, a device case, a transparent member that is attached to an upper surface of the device case and covers a display portion inside the device case, a back cover that is attached to a lower surface of the device case, and a back cover of the back cover. A buffer cover disposed on the lower surface and one end side of which is rotatably attached to one end portion of the buffer cover and the other end side of which is transparent to cover the transparent member when locked to the other end portion of the buffer cover. The protective member protects the member and holds the device case and the buffer cover.

According to the first aspect of the present invention, the protect member extends from the lower surface of the shock-absorbing cover to the upper surface of the equipment case to hold the equipment case and the shock-absorbing cover, so that a screw for attaching the shock-absorbing cover to the equipment case. Is unnecessary, and the manufacturing cost can be reduced. Further, since the protection member sandwiches the device case and the cushion cover to fix the cushion cover to the device case, by widening the contact area of the protection member with the cushion cover, the gap between the cushion cover and the device case is increased. You can prevent it from happening. Furthermore, since the buffer cover is fixed to the device case by the protective member holding the device case and the buffer cover, the buffer cover can be easily removed by facilitating the removal of the protect member. According to the second aspect of the present invention, when the one end side of the protect member is rotatably attached to the one end portion of the buffer cover and the other end side of the protect member is locked to the other end portion of the buffer cover, the protect member is provided. Since the device case and the cushion cover are sandwiched, a screw for attaching the cushion cover to the device case is not necessary, and the manufacturing cost can be reduced. Further, since the protection member sandwiches the device case and the cushion cover to fix the cushion cover to the device case, by widening the contact area of the protection member with the cushion cover, the gap between the cushion cover and the device case is increased. You can prevent it from happening. further,
The buffer cover is fixed to the device case by holding the device case and the buffer cover by the protect member, so that the buffer cover can be easily removed by facilitating the removal of the protect member.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment in which the present invention is applied to a wristwatch will be described below with reference to FIGS. 1 is a sectional view of the wristwatch, FIG. 2 is a plan view of the wristwatch, FIG. 3 is a bottom view of the wristwatch, and FIG.
Is a side view of the wristwatch, and FIG. 5 is an exploded side view of the wristwatch. As shown in FIG. 1, a wristwatch case (equipment case) 1 made of metal or synthetic resin has a watch glass (transparent member) 2 attached to an upper opening 1a thereof, and a wristwatch case 1 has a liquid crystal cell. A timepiece module 4 including a display unit 3 including the above is stored, and a back cover 6 is attached to the lower opening 1b of the wristwatch case 1 via an O-ring 5. On the side surface of the wristwatch case 1, four pushbutton switches 7 are provided as a whole, which are two in FIG. 4 (see FIG. 4).

An upper cushion cover 8 is mounted on the upper portion of the wristwatch case 1, and a lower cushion cover 9 is mounted on the lower surface of the case back 6 and the lower portion of the wristwatch case 1, and the upper cushion cover 8 is mounted.
A protective member 10 that holds the buffer covers 8 and 9 and the wristwatch case 1 and protects the watch glass 2 is mounted between the lower buffer cover 9 and the lower buffer cover 9. The upper buffer cover 8 is made of an elastic synthetic resin such as polyurethane resin or ABS resin (acrylonitrile-butadiene-styrene resin), and has an opening 8a corresponding to the watch glass 2 formed on the upper surface as shown in FIG. , The predetermined 4 on the side
A protrusion 11 for preventing malfunction of the push button switch 7 and for positioning the protect member 10 is formed integrally with the upper cushion cover 8 at a position. The lower buffer cover 9 is made of a synthetic resin having elasticity such as polyurethane resin or ABS resin, and has a substantially rectangular opening as shown in FIG. And a protrusion 13 for preventing the erroneous operation of the push button switch 7 and for positioning the protect member 10 are formed integrally with the lower cushion cover 9 at predetermined four positions on the side surface. .

As shown in FIGS. 2 to 5, the protect member 10 comprises a metal protective ring 15 and two cushioning members 16 made of a synthetic resin having elasticity such as polyurethane resin or ABS resin. . The protective ring 15 includes two bent upper bar-shaped portions 15a arranged on the upper surface of the upper cushion cover 8 at 12 o'clock and 6 o'clock, respectively, and the lower surfaces of the lower cushion cover 9 at 3 o'clock and 9 o'clock. Two curved lower rod-shaped portions 15b arranged along the outer peripheral portion, respectively.
And extends upward from both ends of the lower bar portion 15b,
It is composed of four connecting rod-shaped portions 15c joined to each end of the corresponding upper rod-shaped portion 15a. Each cushioning member 16 is inserted into the upper bar portion 15 a of the protection ring 15 above the watch glass 2.

In order to fix the upper and lower cushioning covers 8 and 9 to the wristwatch case 1 using the protect member 10, the upper cushioning cover 8 is first provided on the wristwatch case 1 as shown in FIG. Then, the lower cushion cover 9 is attached to the bottom of the wristwatch case 1. Next, the protect member 10 is covered from the upper cushion cover 8 side, and the connecting rod-shaped portion 15c of the protect member 10 is provided between the band attachment portion 17 of the wristwatch case 1 and the protrusions 11 and 14 of both cushion covers 8 and 9. The lower rod-shaped portion 15b of the protect member 10 is positioned and locked to the outer peripheral portion of the lower surface of the lower cushion cover 9 while being positioned.
Then, the upper cushion cover 8 is sandwiched between the upper rod portion 15a of the protect member 10 and the wristwatch case 1,
The lower cushion cover 9 is the lower rod-shaped portion 1 of the protect member 10.
It is sandwiched between 5b and the watch case 1, whereby the upper and lower cushioning covers 8 and 9 are fixed to the watch case 1. In this case, the upper and lower cushion covers 8, 9
The watch case 1 with the bar-shaped portion 15a of the protection member 10.
Since it is fixed in a linear shape by ~ 15c, the contact area can be made wider than in the case of fixing it in a point shape with a screw as in the prior art. The upper bar portion 15a of the protect member 10 is stretched over the watch glass 2 so that the watch glass 2 is protected.
The protect member 10 can be easily removed by simply removing the lower rod-shaped portion 15b of the protect member 10 from the lower surface of the lower cushion cover 9, and the upper and lower cushion covers 8 and 9 can be easily removed. You can

As described above, in this wrist watch, the protect member 10 is provided from the lower surface of the lower cushion cover 9 to the wrist watch case 1.
Since it extends to the upper surface of the upper cushion cover 9 and holds the upper and lower cushion covers 8 and 9 between the upper and lower cushion covers 8 and 9, the upper and lower cushion covers 8 and 9 are attached to the wrist case 1. The screw is unnecessary and the manufacturing cost can be reduced. Also, protect member 1
Reference numeral 0 designates the wristwatch case 1 and the buffer covers 8 and 9 as the rod portion 15.
Hold by using the peripheral surfaces of a to 15c, and the buffer covers 8 and 9
Since the watch is fixed to the wristwatch case 1, the protect member 10
The contact area of the buffer covers 8 and 9 with each other can be widened, and the gap between the buffer covers 8 and 9 and the wristwatch case 1 can be reduced, and the buffer covers 8 and 9 and the wristwatch case 1 and the back cover 6 can be reduced. It is possible to prevent foreign matter such as dust from entering between and. Further, since the protection member 10 holds the wristwatch case 1 and the cushion covers 8 and 9 to fix the cushion covers 8 and 9 to the wristwatch case 1, the lower rod portion 15b of the protect member 10 is cushioned to the lower side. By removing from the lower surface of the cover 9 and removing the buffer covers 8 and 9 from the wristwatch case 1, the buffer covers 8 and 9 are removed.
Can be easily removed, and foreign matter such as dust that has entered between the buffer covers 8 and 9 and the wristwatch case 1 or the back cover 6 can be easily removed, the battery can be replaced, and the buffer covers 8 and 9 can be easily replaced. You can In this case, if the buffer covers 8 and 9 are colored, the color combination can be easily enjoyed, and if the buffer covers 8 and 9 are made transparent, foreign matters such as dust can be easily found.

Next, a second embodiment in which the present invention is applied to a wristwatch will be described with reference to FIGS. 6 to 10. 6 is a sectional view of the wristwatch, FIG. 7 is a plan view of the wristwatch, FIG. 8 is a bottom view of the wristwatch, FIG. 9 is a side view of the wristwatch, and FIG. It is a bottom view which shows a protection member. In these figures, the same parts as those in FIGS. In this wristwatch, as shown in FIG. 6, a watch glass (transparent member) 2 is attached to an upper opening 1a of a wristwatch case (equipment case) 1 made of metal, synthetic resin or the like.
A watch module 4 having a display unit 3 made up of a liquid crystal cell or the like is housed inside the lower case 1b of the wristwatch case 1.
A back cover 6 is attached to the via a O-ring 5. On the side surface of the wristwatch case 1, there are provided four push button switches 7 as a whole, which are two in FIG. 9 (see FIG. 9).

An upper cushion cover 8 is mounted on the upper part of the wristwatch case 1, and a lower cushion cover 30 is mounted on the lower surface of the back cover 6 and the lower part of the wristwatch case 1, and the lower cushion cover 30 and the upper cushion cover 8 are mounted. Between both buffer covers 8 and 3
A protective member 21 that holds 0 and the watch case 1 and protects the watch glass 2 is attached. The upper buffer cover 8 is made of an elastic synthetic resin such as polyurethane resin or ABS resin. As shown in FIG. 7, an opening 8a corresponding to the watch glass 2 is formed on the upper surface thereof, and four predetermined positions on the side surface are formed. The protrusion 1 for preventing the malfunction of the push button switch 7 and for positioning the protect member 21.
1 is integrally formed with the upper cushion cover 8. The lower buffer cover 30 is made of a synthetic resin having elasticity such as polyurethane resin or ABS resin, and has a substantially rectangular opening as shown in FIG. And a protrusion 14 for preventing the erroneous operation of the push button switch 7 and for positioning the protect member 21 is formed integrally with the lower cushion cover 30 at predetermined four positions on the side surface. .

As shown in FIGS. 7 to 9, the protect member 21 comprises a metal protective ring 22 and two buffer members 23 made of a synthetic resin having elasticity such as polyurethane resin or ABS resin. . The protective ring 22 includes two bent upper bar-shaped portions 22a arranged on the upper surface of the upper cushion cover 8 at the 12 o'clock side and the 6 o'clock side, respectively, and the lower surfaces of the lower cushion cover 30 at the 3 o'clock side and the 9 o'clock side. Two lower rod-shaped portions 22c, which are respectively arranged along the outer peripheral portion and have a curved shape and partially formed with a protruding portion 22b, and upwardly extended from both end portions of the lower rod-shaped portion 22c, respectively. It is composed of four connecting rod-shaped portions 22d joined to each end of the upper rod-shaped portion 22a. Each cushioning member 23 is inserted through the upper bar portion 22a of the protection ring 22 above the watch glass 2. Also, as shown in FIG.
One end portion (the left end portion in FIG. 10) of the protect member 21, that is, the protruding portion 22b formed on one lower rod-shaped portion 22c.
Is rotatably attached to a protrusion 24 formed at one end (the right end in FIG. 10) of the lower cushion cover 30, and the other end of the protect member 21 (the right end in FIG. 10), that is, the other bottom. The protruding portion 22b formed on the side rod-shaped portion 22c is locked in the locking groove 26 formed in the protruding portion 25 formed on the lower surface of the other end (the left end in FIG. 10) of the lower buffer cover 30. It is like this.

In order to fix the upper and lower cushioning covers 8 and 30 to the wristwatch case 1 using the protect member 21, as shown in FIGS. 6 and 10, first, the upper cushion is placed on the upper portion of the wristwatch case 1. The cover 8 is attached, and the lower cushion cover 30 is attached to the lower portion of the wristwatch case 1. Next, the protect member 21 is rotated in the direction of arrow A so that the connecting rod portion 22d of the protect member 21 is moved to the wristwatch case 1.
Band attachment part 17 and projections 1 of both buffer covers 8 and 30
1 and 14, the protrusion 22b formed on the other lower rod-shaped portion 22c is positioned between the lower cushioning cover 3 and the lower cushioning cover 3
It is locked in the locking groove 26 formed in the projection 25 at the other end of the 0. Then, the upper cushion cover 8 is protected by the protect member 2.
1 is sandwiched between the upper rod-shaped portion 22a and the wristwatch case 1, and the lower cushion cover 30 is sandwiched between the lower rod-shaped portion 22c of the protection member 21 and the wristwatch case 1, whereby the upper and lower cushioning portions are cushioned. The covers 8 and 30 are fixed to the wristwatch case 1. In this case, since the upper and lower cushioning covers 8 and 30 are linearly fixed to the wristwatch case 1 by the rod-shaped portions 22a to 22d of the protect member 21, compared with the conventional case where they are fixed in a dot shape with screws. Upper and lower cushioning covers 8 and 30 of the protect member 21
The contact area with respect to can be enlarged. Further, the upper bar portion 22a of the protect member 1 is hung over the watch glass 2 so that the watch glass 2 is protected. The protruding portion 22b formed on the other lower rod-shaped portion 22c of the protect member 21 and the locking groove 26 formed on the protruding portion 25 of the other end portion of the lower cushion cover 30.
The protective member 21 can be unlocked by removing the upper and lower buffer covers 8 and 30 from each other easily.

As described above, in this wristwatch, one end of the protect member 21 is rotatably attached to one end of the lower cushion cover 30, and the other end of the protect member 21 is attached to the other end of the lower cushion cover 30. When locked, the protect member 21 holds the wristwatch case 1 and the upper and lower cushioning covers 8 and 30 from each other, so that screws for attaching the cushioning covers 8 and 30 to the wristwatch case 1 are not required, and the manufacturing cost is reduced. Can be reduced. Further, since the protect member 21 holds the wristwatch case 1 and the cushion covers 8 and 30 by using the peripheral surfaces of the rod-shaped portions 22a to 22d to fix the cushion covers 8 and 30 to the wristwatch case 1, the protect member 21 is protected. The contact area with respect to the buffer covers 8 and 30 can be widened, and the buffer covers 8 and 30 and the wristwatch case 1 can be made.
The gap between the buffer cover 8 and
It is possible to prevent foreign matter such as dust from entering between the watch 30 and the wristwatch case 1 or the back cover 6. Further, since the protection member 21 holds the wristwatch case 1 and the cushion covers 8 and 30 between them, the cushion covers 8 and 30 are fixed to the wristwatch case 1.
By removing b from the engaging groove 26 of the lower cushion cover 30 and removing the cushion covers 8 and 30 from the wristwatch case 1, the cushion covers 8 and 30 can be easily removed. It is possible to easily remove foreign matter such as dust that has entered the space between 1 and the back cover 6, replace the battery, and replace the buffer covers 8 and 30. In this case, if the buffer covers 8 and 30 are colored, the color combination can be easily enjoyed, and if the buffer covers 8 and 30 are made transparent, foreign matters such as dust can be easily found.

In the first and second embodiments,
Although the buffer covers 8, 9, 30 are attached to the upper and lower portions of the wristwatch case 1, respectively, the present invention is not limited to this, and the buffer covers 9, 30 may be attached only to the lower portion of the wristwatch case 1. In addition, in the first and second embodiments described above,
Although the present invention is applied to a wristwatch, the present invention is not limited to this and can be applied to other small electric devices such as a timepiece, a liquid crystal television, and a pager.

[0017]

As described above, according to the first aspect of the present invention, since the protect member extends from the lower surface of the buffer cover to the upper surface of the device case and holds the device case and the buffer cover, the buffer cover. Since the screw for attaching the device to the device case is not necessary, the manufacturing cost can be reduced. Further, since the protection member sandwiches the device case and the cushion cover to fix the cushion cover to the device case, by widening the contact area of the protection member with the cushion cover, the gap between the cushion cover and the device case is increased. It can be prevented from occurring and foreign matter such as dust can be prevented from entering between the buffer cover and the wristwatch case or the back cover. Furthermore, since the buffer cover is fixed to the device case by holding the device case and the buffer cover by the protect member, the buffer cover can be easily removed by absorbing the protective member easily. It is possible to easily remove foreign matter such as dust that has entered between the cover and the wristwatch case or the back cover, replace the battery, replace the buffer cover, and the like. According to the second aspect of the present invention, when the one end side of the protect member is rotatably attached to the one end portion of the buffer cover and the other end side of the protect member is locked to the other end portion of the buffer cover, the protect member is provided. Since the device case and the cushion cover are sandwiched, a screw for attaching the cushion cover to the device case is not necessary, and the manufacturing cost can be reduced. Further, since the protection member sandwiches the device case and the cushion cover to fix the cushion cover to the device case, by widening the contact area of the protection member with the cushion cover, the gap between the cushion cover and the device case is increased. It can be prevented from occurring and foreign matter such as dust can be prevented from entering between the buffer cover and the wristwatch case or the back cover. Furthermore, since the buffer cover is fixed to the device case by holding the device case and the buffer cover by the protect member, the buffer cover can be easily removed by absorbing the protective member easily. It is possible to easily remove foreign matter such as dust that has entered between the cover and the wristwatch case or the back cover, replace the battery, replace the buffer cover, and the like.

[Brief description of drawings]

FIG. 1 is a sectional view of a wrist watch to which a first embodiment of the invention is applied.

FIG. 2 is a plan view of the wristwatch.

FIG. 3 is a bottom view of the wristwatch.

FIG. 4 is a side view of the wristwatch.

FIG. 5 is an exploded side view of the wristwatch.

FIG. 6 is a sectional view of a wristwatch to which the second embodiment of the invention is applied.

FIG. 7 is a plan view of the wristwatch.

FIG. 8 is a bottom view of the wristwatch.

FIG. 9 is a side view of the wristwatch.

FIG. 10 is a bottom view showing the protect member of the wristwatch.

[Explanation of symbols]

 1 Watch case 2 Watch glass 3 Display 6 Back cover 8, 9, 30 Buffer cover 10 Protective member

Claims (2)

[Claims] 1. A device case, a transparent member which is attached to an upper surface of the device case and covers a display section inside the device case, a back cover which is attached to a lower surface of the device case, and a transparent member which is arranged on a lower surface of the back cover. And a cushioning cover that extends from a lower surface of the cushioning cover to an upper surface of the device case, holds the device case and the cushioning cover, and is located on the upper surface of the transparent member of the device case. A protective structure comprising: a protective member for protection. 2. A device case, a transparent member which is attached to an upper surface of the device case and covers a display section inside the device case, a back cover which is attached to a lower surface of the device case, and a lower surface of the back cover. When the one end side is rotatably attached to one end part of the buffer cover and the other end side is locked to the other end part of the buffer cover, the transparent member is covered to protect the transparent member. A protect structure, comprising: a protect member that holds the device case and the cushion cover.