JPH07181271A - Time piece structure and assembly method of time piece - Google Patents

Abstract

PURPOSE:To improve the apparent quality of a product while reducing forming mold cost and further reduce the number of parts. CONSTITUTION:In hand indication type time piece mechanism consisting of a side 8 of a case, a windscreen 14, and a dial 9, the dial 9 is provided with a positioning part 9b, at the same time the outer periphery of the dial 9 is provided with an extension part 9a which is further extended toward the outer periphery from the side 8, and the outer periphery of the extended part 9a formed on the dial 9 has a meaningful shape such as the controur of topography and animals, thus reducing cost by decreasing the number of parts, increasing the number of various products with improved apparent quality when expressing a continuous picture pattern, and hence providing an interesting time piece inexpensively.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a timepiece structure relating to a case including a dial and a windshield and a method of assembling the timepiece.

[0002]

2. Description of the Related Art In recent years, there has been no competition in the thinning and miniaturization of watches, and recently, functional watches and sensor-equipped watches have formed a genre, and have reached maturity. Further, recently, various kinds of interesting clocks have come out, for example, an interesting clock in which a picture of a soccer J.League mascot is drawn on a dial plate has also appeared, which is also a momentum to form one genre. For this reason, the applicant has made various efforts to study a simple timepiece structure that can be applied to an interesting timepiece.

FIG. 7 shows a conventional timepiece structure. FIG. 7 is an assembled sectional view of a conventional timepiece structure. In the figure, 1 is a step 1
a side having a and the extension portion 1b, 2 a dial, 3 a movement, 4 an inner frame for holding the movement on the side 1,
Reference numeral 5 is a back cover, 7 is a crown of an external operation member, 1c is a packing, and 1d is a band mounting portion integrally formed on the side 1.

In the conventional timepiece, the dial 2 is mounted on the side 1, the movement 3 and the middle frame 4 are assembled, and then the back cover 5 is closed via the packing 1c for waterproof structure, and the timepiece is turned upside down. The hand is attached with the pointer side facing upward, and then the windshield 6 is fixed to the step portion 1a of the side 1 to complete the timepiece. At this time, the outer circumference of the windshield 6 side of the side 1 is extended to the outside to give the timepiece novelty.

[0005]

However, even if the picture is only drawn on the ordinary dial as in the past, the picture itself is interesting, but the picture and the shape of the clock have no relation to each other. There is a risk that you will get bored in the long run.

Further, even on a side without a general extension portion, since the side has a relatively complicated shape, the side 1 with the extension portion 1b, which is a factor of further complication, is the side 1 However, the cost of the molding die has become enormous, which is very disadvantageous in terms of increasing product variation.

Further, since the extension portion 1b and the dial plate 2 are separate objects in the past, the extension portion 1b and the dial plate are expressed when a continuous picture pattern is expressed from the extension portion 1b to the dial plate 2. The borderline between the two was conspicuous, and the product's appearance was poor.

Furthermore, the crown 7 which is an external operating member for correcting the time of the conventional hand has the extending portion 1 on the side 1 in plan view.
Since it protrudes further to the outer periphery than b, the product has a poor appearance.

Further, since waterproofing between the conventional side 1 and the back cover 5 uses the rubber packing 1c, the packing 1c is used.
Had to be formed on the side 1 with a complex shape for housing the. The packing 1c is also disadvantageous in terms of the number of parts.

The object of the present invention is to solve the above problems of the prior art, improve the appearance of the product while lowering the cost of the molding die, and further reduce the number of parts, which is a low-cost watch. Is to provide.

[0011]

The present invention has the following constitution in order to achieve the above object. That is,
In a pointer indicating timepiece structure comprising a case side, a windshield and a dial, the dial has a positioning portion for the windshield, and an outer periphery of the dial further extends from the side to the outer periphery. It is characterized by having.

Further, it is characterized in that a notch for escape of the crown is formed so that a usual winding stem can be used.

Another object of the present invention is to provide a low cost assembly method using the welding technique.

[0014]

Embodiments of the present invention will be described in detail below with reference to the drawings.
FIG. 1 is a sectional view showing a timepiece structure of the present invention. In FIG. 1, the same components as those of FIG. 7 showing the conventional example are designated by the same reference numerals and the description thereof will be omitted. In the figure, 8 is a side, 9 is a dial, and is formed by an extending portion 9a extending further to the outer periphery from the side 8, a positioning portion 9b for positioning the windshield 14, and a step portion 9c. As a pointer member, an hour hand 10 and a minute hand 11
And a second hand 12. 13 is a pointer mounting shaft for mounting a pointer member, 7 is a crown of an external operation member, and 8a is a side 8
The band attachment part integrally formed in FIG. In addition, below the side 8, a battery replacement hatch (not shown) for replacing a battery (not shown) of a power source for driving the movement 3
Is provided. Further, in the present invention, the timepiece is a single axis centered on the pointer mounting shaft 13, but a multi-hand timepiece having a plurality of pointer mounting shafts 13 corresponding to a recent genre may be used.
Further, the side 8, the dial 9 and the windshield 14 are made of ABS material which is a plastic member.

The feature of the present invention is that the movement 8 for driving the timepiece mechanism is incorporated on the side 8 and the dial 9 is placed and fixed. Then, the hour hand 10, the minute hand 11, and the second hand 12 are attached to the pointer mounting shaft 13, and the windshield 14 is placed on the positioning portion 9b of the windshield on the upper surface of the dial 9 to fix the space between the dial 9 and the windshield 14. Further, the outer periphery of the extending portion 9a formed on the dial 9 has a meaningful shape such as the terrain and the contour of the animal. In the embodiment of the present invention, the side 8 and the dial 9 are fixed first, and then the pointer member is attached to the pointer mounting shaft 13. However, the side 8 and the dial 9 are attached after the pointer member is attached to the pointer mounting shaft 13.
There is no problem with fixing.

The extending portion 9a is configured to cover the crown 7 in a plane, and a step portion 9c is formed on the lower surface of the dial 9 so that the crown 7 slides at least.

An example of using the present invention is shown below in FIG. FIG. 2 is a plan view in the form of a terrain using the present invention. It has the shape of Hokkaido, which is the most distinctive feature on the map of Japan as the topography of the extension 9a. Of course, the terrain may be the shape of another island or prefecture.

Further, an example of using the present invention is shown in FIG. FIG. 3 is a plan view in the form of a face of an animal using the present invention. Although FIG. 3 depicts a cow's face, other animals (including birds) may be depicted.

An example of using the present invention is shown in FIG.
FIG. 4 is a plan view in the shape of a national flag using the present invention, in which a continuous picture pattern is drawn by printing or the like from the dial plate 9 to the extending portion 9a.

In addition, in FIG. 1 of the present invention, the stepped portion 9c is formed on the lower surface of the dial 9 so that the crown 7 slides. However, as shown in FIG. Even if the notch 9d is provided on the dial 9 at a position where the crown 7 comes in a plane, the effect of the present invention can be sufficiently exhibited.

Further, according to the present invention, the dial 9 has a positioning portion 9
Although b is formed, there is no problem if it is formed on substantially the same surface as the upper surface of the dial 9, as shown in FIG.

Below, FIG. 6 is a process diagram of the assembling method of the present invention.
Shown in. In FIG. 6, the movement 3 for driving the timepiece mechanism is assembled on the side 8 in S1, the dial 9 is placed on the side 8 in S2, and the side 8 and the dial 9 are welded in S3. And S4
The hour hand 10, minute hand 11, and second hand 12 are attached to the pointer attachment shaft 13 with, and the windshield 14 is placed on the dial 9 in S5, and S6
Then, the dial 9 and the windshield 14 are welded.

[0023]

As described above, according to the present invention, since the dial plate 9 having the extending portion 9a integrally formed with the extending portion 1b and the dial plate 2 of the conventional example can be formed, the cost can be reduced by reducing the number of parts. Can be achieved.

Further, since the dial 9 and the extending portion 9a are integrated, the appearance of the conventional extending portion 1b and the dial 2 is improved in terms of commercial characteristics when a continuous picture pattern is expressed.

Furthermore, the side 8 having a relatively complicated shape, such as the shape for accommodating the band mounting portion 8a and the movement 3, has the dial 9 and the extending portion 9a integrated without any change.
You can easily increase the variation of the product just by exchanging.

Further, since the crown 7 can be arranged inside the extending portion 9a, the appearance of the product is improved.

Further, according to the present invention, since the side 1 and the back lid 5 of the conventional example can be integrated into the side 8, the rubber packing 1c used for waterproofing the side 1 and the back lid 5 is not necessary, and the number of parts is reduced. The cost can be reduced by reducing

Furthermore, according to the invention, the side 8 and the dial 9,
The dial 9 and the windshield 14 can be fixed at low cost by welding.

[Brief description of drawings]

FIG. 1 is an assembly sectional view showing a timepiece structure and a timepiece assembling method of the invention.

FIG. 2 is a top view in the form of a terrain of an example using the present invention.

FIG. 3 is an exemplary animal face-shaped plan view using the present invention.

FIG. 4 is a plan view, in the shape of a flag, of an example using the present invention.

FIG. 5 is an assembled cross-sectional view of an example timepiece structure using the present invention.

FIG. 6 is a process drawing of the assembling method of the present invention.

FIG. 7 is an assembled sectional view showing a conventional timepiece structure.

[Explanation of symbols]

 3 Movement 7 Crown 8 Side 9 Dial 9a Extension 9b Positioning 9c Step 14 Windshield

Claims (9)

[Claims] 1. In a pointer indicating timepiece structure comprising a case side, a windshield and a dial, the dial has a positioning portion for the windshield, and the outer circumference of the dial extends further from the side to the outer circumference. A timepiece structure having an extending portion that extends. 2. The timepiece structure according to claim 1, wherein an outer periphery of the extending portion formed on the dial has a meaningful shape such as a terrain, an outline of an animal, or the like. 3. A continuous picture pattern is drawn from the extending portion of the dial to the dial surface.
The clock structure shown. 4. The timepiece structure according to claim 1, wherein the extending portion of the dial has a structure in which the crown, which is an external operation member for adjusting the hands time, is planarly covered. 5. The timepiece structure according to claim 4, wherein at least a step portion for sliding the crown is formed on the lower surface of the extending portion of the dial. 6. The timepiece structure according to claim 4, wherein the extending portion of the dial has at least a cutout portion for sliding the crown. 7. The timepiece structure according to claim 1, wherein both the side, the dial and the windshield are made of plastic members. 8. The timepiece structure according to claim 7, wherein waterproofing between the side and the dial and between the dial and the windshield is made by welding. 9. A method of assembling a pointer indicating timepiece comprising a side, a windshield and a dial, wherein a movement is incorporated on the side, the dial is positioned and welded on the side, and the windshield is attached after a needle is attached. A method of assembling a timepiece characterized by being fixed by welding to a dial.