JPH11148981A - Display plate structure of solar clock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide display plate structure for a solar clock that can use a display plate including a different shape (parting part) with a display part that is larger than the diameter of the light reception surface of a solar cell, and can widely vary design. SOLUTION: In the structure of a display plate for a solar clock where a module 10, a solar cell 20, and a support member 30 are laminated and a display plate 8 is fixed from an upper direction, the display plate consists of an upper dial 1 for transmitting light and a lower dial 4 integrally with one part of a lower surface 1B of the upper dial 1, and an external shape (diameter) D of the upper dial 1 is set to the shape (diameter) that is larger than the external shape (diameter) of a light reception surface 20A of the solar cell 20 being laminated onto the module 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display plate (character plate) of a wristwatch using a solar cell and a mounting structure of the display plate. In particular, it is possible to use a display plate larger than the outer shape of the cell surface of the solar cell. And a solar watch display panel structure.

[0002]

2. Description of the Related Art A conventional example of a solar watch display panel structure will be described below with reference to the drawings. 8 is an exploded perspective view of a main part of a conventional solar watch display panel structure, FIG. 9 is a plan view of the solar watch display panel structure, and FIG. 10 is a cross-sectional view of the solar watch display panel structure.

As shown in FIG. 8, a main part of a solar watch display panel structure is composed of a module 10, a solar cell 20, a support member 30, and a display panel 40 as a dial, which are integrally formed.

The module 10 has a needle shaft 11 interlocking with an internal mechanism protruding at the center, a top surface serving as a mounting portion 12 of a solar cell 20, and a plurality of locking recesses 13 formed at an outer end at an equal angle. A positioning protrusion 14 is provided on the surface of the mounting portion 12 so as to project therefrom.

The solar cell 20 has a stepped portion 2 in which an insertion hole 21 is formed at the center and a ring-shaped punched adhesive sheet is adhered to the upper surface to form a gap for insulation and interference prevention.
2, the inner diameter of which substantially matches the outer shape (diameter) D0 of the light receiving surface 20A. A notch 23 having substantially the same shape as the outer shape of the locking recess 13 in plan view is provided at the outer end, and a positioning recess 24 is formed at a location facing the positioning projection 14.

Further, the ring-shaped support member 30 is
At least two positioning recesses 32 and lower surface 30 at 0A
The same number of locking hooks 33 are provided at locations facing the locking recesses 13 of B, and a fitting portion 31 is fitted to the display plate 40. The inner shape (diameter) D1 of the fitting hook 31 is the light receiving surface 20A. Has the same shape (diameter) as the outer shape (diameter) D0, and the outer shape (diameter) is
It is integrally formed so as to substantially match the outer shape of the module 10.

A display panel 40 made of a light-transmitting member having an outer shape (diameter) D2 slightly smaller in shape (diameter) than the inner shape (diameter) D1 of the support member 30 is printed and adhered to the front part. A time character 40A is provided by, for example, an insertion hole 41 communicating with the insertion hole 21 of the solar cell 20 is formed in the center, and a positioning convex portion 42 is protruded outward at a position facing the positioning concave portion 32 at the outer end. I have.

Then, the needle shaft 11 of the module 10 is inserted into the insertion hole 21 of the solar cell 20 and the positioning projection 14 is locked in the positioning recess 24 so that the solar cell 2
0 is placed on the placing portion 12, and then a retaining hook 33 is provided on the retaining portion formed by the retaining concave portion 13 and the notch portion 23 whose outer shapes are substantially the same.
When the upper surface 30A of the support member 30 is pressed by adjusting the position to an appropriate position, the locking concave portion 13 and the locking hook 33 are locked and fixed by the lower surface 30B so as to sandwich the step portion 22 of the solar cell 20.

Further, the positioning recess 32 of the support member 30
The display panel 40 is engaged with the support member 30 by engaging the positioning projection 42 of the display panel 40 with the display panel 40, so that the solar clock display panel structure is integrally formed as a unit. At this time, the outer diameters of the module 10 and the solar cell 20 do not exceed the outer diameter (diameter) D of the support member 30 as shown in FIG.

[0010] As shown in Fig. 10, the solar clock display panel structure unitized as described above is disposed from under the body 50, and a ring-shaped packing 51 is provided around the step portion 50A so that the back surface is provided. The lid 52 is attached to the body 50 by screwing or press fitting. Next, the hour hand 11h, the minute hand 11
m and the second hand 11s, respectively, and the upper step 5
After a ring-shaped packing 53 is provided around OB, a windshield 54 is press-fitted from above to constitute a wristwatch W.

The solar watch display panel structure constructed as described above has a stepped portion 5 of a body 50 having a parting shape (diameter) D5.
At 0C, the upper surface 30A of the support member 30 and the bottom of the module 10 are sandwiched and fixed by the contact portion 52A protruding inside the back cover 52. Accordingly, the outer diameter D2 of the display plate 40 and the parting-off shape (diameter) D5 are in a relationship of D2 ≧ D5, and the parting-off type (diameter) D5 is a visible display surface of the wristwatch W.

[0012]

However, in the above-mentioned conventional solar watch display panel structure, a display panel having a display portion larger than the outer shape (diameter) D0 of the light receiving surface 20A of the solar cell 20 is used. I couldn't do that.
Also, in general, a module, a solar cell, a support member, and a display panel, which are functionally optimal in a circular shape in consideration of the power generation efficiency of the solar cell, use a display panel of a different shape (partitioning part). However, there are drawbacks such as a limitation on expansion of design variations.

An object of the present invention is to solve the above-mentioned disadvantages of the prior art, and to provide an outer shape (diameter) D of the light receiving surface 20A of the solar cell 20.
A display panel having a display section larger than 0 can be used. Further, even if a module, a solar cell, and a support member similar to those of the related art are used, a display panel of a modified shape (partition part) is used without reducing power generation efficiency. Accordingly, it is an object of the present invention to provide a solar watch display plate structure that can freely express a design and expand a design variation.

[0014]

In order to achieve the above-mentioned object, a solar clock display panel structure according to the present invention is characterized in that a solar cell is stacked above a module and fixed by a support member, and the solar cell is fixed to the solar cell. In the structure of a solar clock display plate having a display plate fixed above a cell, the display plate has an upper dial plate that transmits light, and a lower dial plate integrated with a part of the lower surface of the upper dial plate. Wherein the upper dial is larger than the outer shape of the solar cell mounted on the module.

According to another aspect of the present invention, there is provided a solar timepiece display plate structure according to the second aspect of the present invention, wherein the lower dial transmits light and is slightly smaller than the inner shape of the support member. It has a small external shape.

According to another aspect of the present invention, there is provided a solar timepiece display plate structure, wherein the display plate is formed on a positioning portion of the support member on an outer periphery of the lower dial. The display panel is fixed to the support member by engaging a positioning portion.

According to another aspect of the present invention, there is provided a solar timepiece display panel structure in which the positioning portion of the support member is formed of a notch or an upwardly directed protrusion, while the lower portion is provided with a lower portion. The positioning portion of the dial comprises a projection for engaging with the notch or projection.

According to another aspect of the present invention, the lower dial has an inner shape slightly larger than an outer shape of the support member. It is characterized by doing.

According to another aspect of the present invention, there is provided a solar timepiece display plate structure according to the present invention, wherein the display plate is formed on a positioning portion of the support member on an inner periphery of the lower dial. The display panel is fixed to the support member by engaging the positioning portion.

According to another aspect of the present invention, there is provided a solar timepiece display panel structure according to a seventh aspect of the present invention, wherein the positioning portion of the support member is formed of a notch or an upwardly directed protrusion, while The positioning portion of the dial is characterized by comprising a projection or a recess for engaging with the notch or projection.

According to another aspect of the present invention, there is provided a solar clock display panel structure according to the present invention, wherein the upper and lower dials of the display panel located outside the outer shape of the solar cell are provided. , Characterized in that the lower part is not visible.

According to a ninth aspect of the present invention, there is provided a solar timepiece display plate structure, wherein the outer shape of the upper dial is irregular.

According to a tenth aspect of the present invention, there is provided a solar timepiece display plate structure, wherein a display portion of the upper dial is irregularly shaped.

According to another aspect of the present invention, there is provided a solar timepiece display plate structure according to the present invention, wherein the upper dial and the lower dial are integrally molded or separately manufactured and then integrated. And a display panel.

[0025]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIGS. 1 to 3 show Embodiment 1 of a solar watch display panel structure according to the present invention. FIG. 1 is an exploded perspective view of a main part of a solar watch display panel structure according to the present invention, FIG. 2 is a plan view of the solar watch display panel structure, and FIG.
FIG. 2 is a sectional view of the solar watch display panel structure.

In the first embodiment of the solar watch display panel structure, the same components as those in the above-described conventional example are denoted by the same reference numerals, and description thereof will be omitted. An upper dial 1 having an irregular outer shape as shown in FIG. 1 has an insertion hole 2 formed in the center, a time character 1A is provided on the front part by printing, bonding or the like, and a light receiving surface of the solar cell 20 is provided. The surface facing 20 </ b> A has a transparent window 3 having the same shape (diameter) or slightly smaller than the inner shape (diameter) D <b> 1 of the support member 30. The transparent window 3
The outer surface 3A other than the above is subjected to decoration processing on the front or back part by printing, sealing, etc. so that the support member 30 located below is not visible, so that the appearance can be seen well. The outer dimensions of the upper dial 1 are at least the same as or larger than the outer diameter (diameter) D of the support member 30.

The lower dial 4 is made of a member that transmits light, has an insertion hole 5 formed at the center thereof so as to communicate with the insertion hole 21 of the solar cell 20, and a positioning recess serving as a positioning portion of the support member 30. A positioning convex portion 6 as a positioning portion is provided to protrude outward at a location facing the portion 32. Further, the lower dial 4 has an outer shape (diameter) D2 slightly smaller in shape (diameter) than the inner diameter D1 of the support member 30. Further, the lower surface 1B of the upper dial 1 and the upper surface 4A of the lower dial 4 are concentrically communicated with the insertion hole 2 and the insertion hole 5, and are fixed by a fixing means such as an adhesive to form the display plate 8.

Then, the lower dial 4 is inserted into the positioning recess 32 of the supporting member 30 from above the module 10, the solar cell 20, and the supporting member 30 which are constructed in the same manner as in the conventional example.
The display portion 8 is engaged with the support member 30 by engaging the positioning protrusion 6 of the above, and the main part of the solar watch display plate structure is integrally unitized. Further, as shown in FIG. 2, the outer diameter D of the module 10, the solar cell 20, and the support member 30 does not exceed the outer end of the display unit 8.

As shown in FIG. 3, the solar clock display panel structure unitized as described above has an hour hand 11h, a minute hand 11m, and a second hand 11s attached to the needle shaft 11, respectively. Lower step portion 60B inside the body 60
The distal end of the locking hook 33 of the support member 30 abuts, and a unitized unit such as the module 10 is placed inside the outer shell 60. Next, a packing 63 is provided around the step portion 61A, and the inner drum 61, into which the draft shield 62 is press-fitted from above, is fixed to the step portion 6A.
The wristwatch W1 is formed by press-fitting and fixing from above the outer shell 60 around which the packing 64 is provided at 0A.

The solar watch display panel structure constructed as described above has a stepped portion 61B of an inner body 61 having a parting shape (diameter) D6 and an outer end of the outer surface 3A of the upper dial 1, which is the display plate 8, and The module 10 is pinched and fixed by the tip of the locking hook 33 abutting on the step portion 60B of the outer trunk 60. Therefore,
As is clear from FIGS. 2 and 3, the outer shape D of the display panel 8, the parting shape (diameter) D 6, and the outer shape (diameter) D 0 of the light receiving surface 20 A are shown.
Means the relationship of D0 <D6 <D and the parting-off (diameter) D6
Is the viewable display surface of the watch W1.

(Embodiment 2) FIGS. 4 to 6 show Embodiment 2 of a solar watch display panel structure according to the present invention. 4 is an exploded perspective view of a main part of the solar watch display panel structure according to the present invention, FIG. 5 is a plan view of the same, FIG. 6 is a cross-sectional view of the solar watch display panel structure, and FIG. It is a principal part disassembled perspective view of other Example of a board structure.

In the second embodiment of the solar watch display panel structure, the same components as those of the above-described conventional example are denoted by the same reference numerals, and description thereof will be omitted. As shown in FIG. 4, a support member 130 provided integrally or separately on the upper surface of the module 10 by a fixing means has a through hole 131 through which a needle shaft 11 provided at the center of the module 10 is inserted. And a positioning recess 132 as a positioning portion is formed at the outer end.

The solar cell 120 is provided with the insertion hole 12.
1 is formed in the center, and a step 122 is formed on the upper surface to form a gap for insulation and interference prevention by sticking a pressure-sensitive adhesive sheet punched in a ring shape, and the inner shape (diameter) is the outer shape of the light receiving surface 120A. (Diameter) coincides with D0. The notch 123
Is provided.

The display plate 140 has an insertion hole 141 formed in the center of the upper surface, and the time character 1 is formed by the same means as in the conventional example.
An upper dial 142 provided with 40A and a ring-shaped lower dial 143 are integrally formed on the lower surface, and the inner shape (diameter) of the ring is slightly larger than the outer shape (diameter) of the solar cell 120. A fitting recess 144 is formed. Further, the fitting recess 1
A positioning convex portion 145 which is a positioning portion is provided integrally on an inner peripheral portion of 44.

The needle shaft 11 is inserted into the insertion hole 131.
Through which the support member 130 is integrally fixed at an appropriate position.
The needle shaft 1 is inserted through the insertion hole 121 of the solar cell 120 from above.
1, and the solar cell 120 is placed on the support member 130 so that the positioning concave portion 123 and the positioning concave portion 132 are aligned with each other in a plan view. Next, the fitting concave portion 144 of the display panel 140 is covered from above the solar cell 120, and the positioning convex portion 145 is aligned with the positioning concave portion 123 and the positioning concave portion 1.
By fitting it into the display 32, the structure of the display plate for a solar watch of this embodiment is obtained.

The solar watch display panel structure unitized as described above constitutes a wristwatch W2 with a configuration similar to that of the first embodiment, as is apparent from FIG. At this time, the outer edge of the upper surface of the display plate 140 having the above-mentioned solar clock display plate structure is fixed by holding the step portion 61B of the inner body 61 and the lower surface 12B of the mounting portion 12 of the module 10 by the step portion 60A 'of the outer case 60. Is done. Therefore, as in the first embodiment, the parting shape (diameter) D6 of the inner body 61 becomes a visible display surface of the wristwatch W2.

Another embodiment using a display panel 150 having the same configuration as the display panel 140 of the second embodiment using the same members as the conventional example or the first embodiment as shown in FIG. 7 will be briefly described. , The display plate 150 has an insertion hole 151 formed at the center of the upper surface, and the time character 1 is formed by the same means as the conventional example.
Upper dial 152 provided with 50A and ring-shaped lower dial 1
53 forms a fitting recess 154 having an inner shape (diameter) slightly larger (diameter) than the outer diameter D of the support member 30. Further, a positioning convex portion 155 serving as a positioning portion is provided integrally on an inner peripheral portion of the fitting concave portion 154.
Furthermore, the lower surface 152B of the upper dial 152 and the lower dial 153
The upper surface 153A is fixed by a fixing means such as an adhesive to form the display panel 150.

Then, the unitized module 10, the solar cell 20, and the support member 3 which are common to the first embodiment
The supporting member 30 is fitted into the fitting concave portion 154 by fitting the positioning convex portion 155 into the 0 positioning concave portion 32, and the display plate 150 is provided in layers. The solar clock display plate structure unitized as described above forms a wristwatch with the same configuration as that of the first embodiment.

In the first embodiment, although not shown, the transparent window 3 of the display panel 8 is supported by the supporting member 30 located below.
The transparent window portion may be a deformed window portion as long as it cannot be seen. Further, a positioning concave portion may be provided on the lower dial 4, and a positioning convex portion may be provided at a position facing the support member 30. Alternatively, in order to increase the accuracy of the mounting position of the display plate 8, a positioning pin is projected from above the positioning concave portion 32 of the support member 30, and a concave portion or a hole is provided to engage with the positioning convex portion 6 of the lower dial 4 facing the same. You may. Further, it is naturally conceivable as an embodiment that the locking hook 33 formed below the support member 30 is sandwiched and fixed in the wristwatch W1 similarly to the second embodiment without particularly providing.

In the second embodiment, a display plate 140 (not shown) is formed by molding an upper or lower dial 142 and a ring-shaped lower dial 143 separately from each other in the same manner as in the first embodiment. The display panel 140 may be integrally fixed by a fixing means such as an adhesive. The display panel 150
The upper dial 152 and the lower dial 153 may be integrally formed. Further, in the above-described embodiment, the wristwatches W1 and W2 are both cases having the upper open structure. However, it is needless to say that the embodiment can be carried out even in the case of the lower open structure with the back cover as in the conventional example.

[0042]

According to the present invention described above, it is possible to use a display panel having a display portion larger than the outer shape of the light receiving surface of the solar cell without lowering the power generation efficiency even if a conventional solar cell is used. Not only has it become possible, but the display portion of the display panel can have an irregular shape (partitioning portion), so that free design expression can be achieved, design variations can be expanded, and the appearance quality can be improved.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a main part of a solar watch display panel structure according to a first embodiment of the present invention.

FIG. 2 is a plan view of Embodiment 1 of the solar watch display panel structure according to the present invention.

FIG. 3 is a cross-sectional view of Embodiment 1 of the solar watch display panel structure according to the present invention.

FIG. 4 is an exploded perspective view of a main part of a solar watch display panel structure according to a second embodiment of the present invention.

FIG. 5 is a plan view of a solar watch display panel structure according to a second embodiment of the present invention.

FIG. 6 is a sectional view of Embodiment 2 of the solar watch display panel structure according to the present invention.

FIG. 7 is an exploded perspective view of a main part of another embodiment of the solar watch display panel structure according to the present invention.

FIG. 8 is an exploded perspective view of a main part of a conventional solar watch display panel structure.

FIG. 9 is a plan view of a conventional solar watch display panel structure.

FIG. 10 is a cross-sectional view of a conventional solar watch display panel structure.

[Explanation of symbols]

 1, 142, 152 Upper dial 1A, 140A, 150A Time character 2, 5, 141, 151 Insertion hole 3 Transparent window 3A Outer surface 4, 143, 153 Lower dial 6, 145, 155 Positioning protrusion 8, 140 , 150 display plate W1, W2 watch 10 module 11 needle shaft 12 mounting portion 13 locking concave portion 14 positioning projection 20 solar cell 22 step portion 20A light receiving surface 23 notch portion 24 positioning concave portion 30 support member 32, 132 positioning concave portion 33 locking hook

Claims (11)

[Claims] 1. In a solar clock display panel structure in which a solar cell is stacked above a module and fixed by a supporting member, and a display panel is fixed above the solar cell, the display panel transmits light. A dial for a solar clock, comprising a dial and a lower dial integrated with a part of the lower surface of the upper dial, wherein the upper dial is larger than the outer shape of a solar cell mounted on a module. Board structure. 2. The solar watch display plate structure according to claim 1, wherein the lower dial has an outer shape that transmits light and is slightly smaller than an inner shape of the support member. . 3. The display plate according to claim 2, wherein a positioning portion formed on an outer periphery of the lower dial is engaged with a positioning portion of the support member, and the display plate is fixed to the support member. 2. The display plate structure for a solar watch according to 1. 4. The positioning portion of the support member comprises a notch or an upwardly directed projection, while the positioning portion of the lower dial comprises a projection for engaging with the notch or the projection. The display plate structure for a solar clock according to claim 3, wherein 5. The solar watch display plate structure according to claim 1, wherein said lower dial has an inner shape slightly larger than an outer shape of said support member. 6. The display plate, wherein a positioning portion formed on an inner periphery of the lower dial is engaged with a positioning portion of the support member, and the display plate is fixed to the support member. Item 2. A solar clock display panel structure according to Item 1. 7. The positioning part of the support member is formed of a notch or a projection facing upward, while the positioning part of the lower dial is formed of a projection or a recess for engaging with the notch or the projection. The display structure for a solar watch according to claim 6, characterized in that: 8. The display for a solar clock according to claim 6, wherein the upper dial and the lower dial of the display plate located outside the outer shape of the solar cell are finished so that the lower part is not visible. Board structure. 9. The display structure for a solar watch according to claim 1, wherein the outer shape of the upper dial is irregular. 10. The display plate structure for a solar timepiece according to claim 1, wherein the display portion of the upper dial is odd-shaped. 11. The display plate structure for a solar timepiece according to claim 1, wherein the upper dial plate and the lower dial plate are integrally formed or manufactured separately, and then integrally formed as a display plate.