JP2000065959A - Glass fixing structure - Google Patents

Abstract

(57) [Problem] To provide a long cushioning material regardless of the size of a fixing member, and to obtain a sufficient cushioning effect. SOLUTION: A watch glass 14 is arranged on a mounting portion 20 provided on a peripheral portion 13 of a front case 11, and a peripheral portion of the watch glass 14 is pressed against the mounting portion 20 from outside by a plurality of fixing members 6. When fixing the watch glass 14 to the front case 11, the outer peripheral portion 22 of the parting member 21 is arranged between the mounting portion 20 of the front case 11 and the peripheral edge of the watch glass 14, and the outer peripheral portion of the parting member 21 22 and mounting part 20 of front case 11
And a buffer tape 24 was provided between them. Therefore, even if the buffer tape 24 is formed to be longer than the width of the fixing member 6, the buffer tape 24 can be hidden by the outer peripheral portion 22 of the parting member 21. 24 can be formed long, whereby a sufficient buffer effect can be obtained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a glass fixing structure for fixing glass to a case such as a timepiece.

[0002]

2. Description of the Related Art Conventionally, in a clock such as a wall clock,
A watch glass is arranged on the front of a picture frame-shaped watch case, and the watch glass is fixed to the watch case by pressing the periphery of the watch glass against the periphery of the watch case from the outside with a plurality of fixing members. There is. FIGS. 15 and 16 show an example of such a glass fixing structure.
This will be described with reference to FIG. The front side (upper side in FIG. 15) of the watch case 1 is formed so that the peripheral portion 2 is high and the central portion is depressed, and the dial 1a is disposed in the depressed central portion. As shown in FIG. 15, a glass mounting portion 2a is provided on a peripheral portion 2 of the watch case 1, and the glass mounting portion 2a is connected to the watch via a buffer tape 3 such as a double-sided tape or a cushion tape. Glass 4 is arranged. A mounting recess 5 is provided at a predetermined position on the peripheral edge 2 of the watch case 1, and a fixing member 6 is mounted to the mounting recess 5 with a screw 7.

[0003] That is, the fixing member 6 has a head 8 formed in a square shape as shown in FIG. 16, and a mounting portion 9 is provided on one lower surface (right side in FIG. 15) of the head 8. The part 9 is inserted into the mounting recess 5 of the watch case 1, and a screw 7 is screwed into a screw hole 9 a provided in the mounting part 9 from below the watch case 1 and tightened. Is configured to press and fix the watch glass 4 against the glass mounting portion 2a. The buffer tape 3 interposed between the watch glass 4 and the glass mounting portion 2a is
This is to prevent the timepiece glass 4 from rattling against the glass mounting portion 2a, and as shown in FIG.
And is formed to be slightly shorter than the width of the head 8 (length in the vertical direction in the figure) so that it cannot be seen from above the watch glass 4.

[0004]

However, in such a glass fixing structure, when the width of the head 8 of the fixing member 6 becomes narrow, the buffer tape 3 must be shortened accordingly. Therefore, there is a problem that a sufficient buffer effect cannot be obtained. In order to avoid such a problem, it is conceivable to increase the number of fixing points by the fixing member 6. However, if the number of fixing points by the fixing member 6 is increased, the number of parts also increases, and the fixing work is increased. There is a problem that it is complicated and troublesome, and the cost is high.

An object of the present invention is to make it possible to form a long cushioning material regardless of the size of a fixing member, and to obtain a sufficient cushioning effect.

[0006]

The present invention has the following arrangement to solve the above-mentioned problems. In addition,
Each component is denoted by a reference number of a drawing attached to each element described in the section of each embodiment described later together with parentheses. That is, according to the present invention, as shown in FIGS. 1 to 4, a glass (watch glass 14) is arranged on the front surface of a case (front case 11), and the periphery of the glass is externally fixed by a plurality of fixing members (6). To the peripheral part of the case (13)
In the glass fixing structure for fixing the glass to the case by pressing the glass, the glass is disposed between the peripheral edge of the case and the peripheral edge of the glass and extends toward the bottom (11a) side in the case. The parting member (2
1) and a cushioning material (buffer tape 24) provided between the parting member and the peripheral edge of the case. According to the present invention, the parting member is arranged between the peripheral part of the case and the peripheral part of the glass, and the cushioning material is provided between the parting member and the peripheral part of the case. Even if the buffer member is formed longer than the width, the buffer member can be hidden by the parting member, so that the buffer member can be formed longer regardless of the size of the fixing member, thereby obtaining a sufficient buffer effect. Can be.

In this case, as shown in claim 2, for example, as shown in FIGS. 10 and 11, an elastic spacer (30) is provided between the peripheral edge of the glass and the peripheral edge of the parting member. As shown in FIG. 12, for example, as shown in FIG. 12, a parting print (31) is provided on a lower surface of a peripheral portion of the glass, and the parting means is provided corresponding to the fixing member. If the spacer (30) having elasticity is provided between the printing and the periphery of the parting member, a gap is formed between the glass and the parting member by the spacer, and the gap between the glass and the parting member is formed by the contact between the glass and the parting member. The generated interference fringes can be prevented, and the cushioning effect between the glass and the parting member can be obtained because the spacer has elasticity. Also,
As described in claim 4, for example, FIG. 13 and FIG.
As shown in (2), if a projection (32) is formed on the peripheral edge of the parting member to abut against the lower surface of the peripheral part of the glass, a gap is formed between the glass and the parting member by the projection. Therefore, interference fringes generated by the contact between the glass and the parting member can be prevented as in the second aspect of the present invention.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [First Embodiment] A first embodiment in which the present invention is applied to a wall clock will be described below with reference to FIGS. The same parts as those in the conventional example shown in FIGS. 15 and 16 are denoted by the same reference numerals, and description thereof will be omitted. FIG. 1 is a front view of a wall clock, and FIG. 2 is a partially broken side view showing an internal structure thereof. This wall clock includes a watch case 10 shown in FIG. The watch case 10 has a front case 11 as shown in FIG.
And a rear case 12, and the front case 11
The peripheral portion 13 is high and is formed in a box shape with a concave central portion, and a dial 1a is attached to the front surface (the upper surface in the figure) of the bottom portion 11a of the concave central portion. A transparent watch glass 14 is provided on the front of the front case 11.
Are attached by a fixing member 6 as described later.

At the center of the back (lower surface in FIG. 2) of the bottom 11a of the front case 11, a clock movement 16 is provided.
Is attached, this watch movement 16,
As shown in FIG. 2, the pointer shaft 17 is
1 and a through-hole 18 of the dial 1a, projecting into the recessed central portion on the front side, and a hand 19 such as an hour hand, a minute hand, or a second hand is attached to the protruding tip, and the hand 19 is positioned above the dial 1a. It is configured to move the hands. Note that the rear case 12 is
An opening 12a is provided at a position corresponding to the timepiece movement 16, and the opening 12a
The watch movement 16 is configured to be exposed.

[0010] The glass fixing structure of such a clock is as follows.
It is configured as shown in FIG. 3 and FIG. That is, as shown in FIG. 3, a mounting portion 20 is provided on the peripheral portion 13 of the front case 11.
, A peripheral portion of the watch glass 14 is disposed via a parting member 21 made of synthetic resin. The parting member 21 is formed in a frame shape in which a flat outer peripheral portion 22 and a stepped inner peripheral portion 23 are integrally formed, and the outer peripheral portion 22 is sandwiched between the mounting portion 20 and the watch glass 14. The inner peripheral portion 23 is inclined stepwise toward the bottom 11a in the front case 11, and the lower end surface of the inner peripheral portion 23 is configured to abut on the dial 1a. In this case, the outer peripheral portion 2 of the parting member 21
A buffer tape (buffer material) 24 such as a double-sided tape or a cushion tape is provided between the mounting portion 20 and the mounting portion 20.

A mounting recess 5 is provided at a predetermined portion of the peripheral portion 13 of the front case 11, that is, at an intermediate portion of each of the four sides of the front case 11.
, A fixing member 6 is attached by a screw 7. That is, similarly to the conventional example, the fixing member 6 has a head 8 formed in a square shape as shown in FIG. 4, and a lower surface of the head 8 is provided with a mounting portion 9 as shown in FIG. The part 9 is inserted into the mounting recess 5 of the front case 11, and the screw 7 is screwed into the screw hole 9 a of the mounting part 9 from below the front case 11 and tightened. 14. The parting member 21, and the buffer tape 24 are pressed against the mounting portion 20 and fixed. in this case,
The buffer tape 24 is arranged corresponding to each fixing member 6, and the length thereof is formed longer than the width of the head 8 of the fixing member 6 (length in the vertical direction in FIG. 4).

In the structure for fixing the glass in such a timepiece, the outer peripheral portion 22 of the parting member 21 is disposed between the mounting portion 20 provided on the peripheral portion 13 of the front case 11 and the peripheral edge of the watch glass 14. Since the buffer tape 24 is provided between the outer peripheral portion 22 of the parting member 21 and the mounting part 20 of the front case 11, even if the buffer tape 24 is formed longer than the width of the head 8 of the fixing member 6, the parting is performed. Member 2
The buffer tape 24 can be hidden by the outer peripheral portion 22 of the fixing member 6, regardless of the size of the head 8 of the fixing member 6.
The buffer tape 24 can be formed long, so that a sufficient buffer effect can be obtained. Further, in this glass fixing structure, the inner peripheral portion 23 of the parting member 21 is inclined stepwise toward the bottom 11a in the front case 11,
Since the lower end surface of the inner peripheral portion 23 is configured to abut on the dial 1a, the stepped inner peripheral portion 23 can be seen from above through the timepiece glass 14, and the stepped inner peripheral portion can be seen. Dial 23a from watch glass 14 by part 23
You can see the depth up to three-dimensional.

In the first embodiment, the case where the inner peripheral portion 23 of the parting member 21 is formed in a step shape has been described. However, the present invention is not limited to this. For example, the inner peripheral portion 23 may be configured as shown in FIGS. May be. That is, the first shown in FIG.
The inner peripheral portion 23 of the parting-off member 21 may be formed as a linear inclined portion as in the modification, and the inner peripheral portion 23 of the parting-off member 21 as in the second modification shown in FIG. May be formed on a curved inclined portion. Also, as in a third modification shown in FIG. 7, the inner peripheral portion 23 of the parting member 21 is formed in a stepped shape in which a linear inclined portion 23a, a flat portion 23b, and a vertical portion 23c are continuous. The hour character 25 may be provided so as to protrude three-dimensionally on the flat portion 23b. If you do this,
The hour character 25 can be shown floating above the dial 1a.

Further, as in a fourth modification shown in FIG. 8, the inner peripheral portion 23 of the parting member 21 is an irregular step in which a step 23d having a small step and a step 23e having a large step are continuous. It may be formed in a shape, and the hour character 26 may be provided by printing on the plane of the step portion 23e having a large step. Even in this case, the hour character 26 can be shown floating above the dial 1a. Further, as in the fifth modification shown in FIG. 9, the upper and lower portions of the inner peripheral portion 23 of the parting member 21 are formed in the vertical portions 23f and 23g, and the intermediate portion is formed in the gentle inclined portion 23h. The hour character 26 may be provided on the inclined portion 23h by printing. Even in this case, the hour character 26 can be shown floating above the dial 1a.

[Second Embodiment] Next, FIG. 10 and FIG.
A second embodiment in which the present invention is applied to a wall clock will be described with reference to FIG. In this case, the same parts as those of the first embodiment shown in FIGS. 1 to 4 are denoted by the same reference numerals, and the description thereof will be omitted. The fixing structure of the glass in the wall clock has a configuration in which a spacer 30 is provided between the peripheral portion of the timepiece glass 14 and the outer peripheral portion 22 of the parting member 21, and the other configuration is the same as that of the first embodiment. ing.
This spacer 30 is made of double-sided tape, cushion tape,
Or, it is a sheet-like material having elasticity such as a tape made of a soft synthetic resin, and as shown in FIG.
As shown in FIG. 11, it is formed to correspond to the head 8 of the fixing member 6 and to be shorter than the width of the head 8 (length in the vertical direction in FIG. 11).

The structure for fixing glass in such a wall clock has the same operation and effect as the first embodiment.
Particularly, since the spacer 30 is provided between the peripheral portion of the watch glass 14 and the outer peripheral portion 22 of the parting member 21, a gap can be provided between the watch glass 14 and the outer peripheral portion 22 of the parting member 21 by the spacer 30. Therefore, the watch glass 14 does not directly contact the outer peripheral portion 22 of the parting member 21, so that interference fringes generated by the contact between the watch glass 14 and the outer peripheral portion 22 of the parting member 21 can be prevented, and Since the spacer 30 has elasticity, a buffering effect between the watch glass 14 and the parting member 21 can also be obtained.

In the second embodiment, the spacer 3
0 is formed to be shorter than the width of the head 8 corresponding to the head 8 of the fixing member 6, but is not limited to this. For example, as shown in FIG. 31 may be applied over the entire circumference, and a spacer 30 may be provided between the parting-off printing 31 and the outer peripheral portion 22 of the parting-off member 21. In this way, even if the spacer 30 is formed longer than the width of the head 8 of the fixing member 6, the spacer 30 can be hidden by the parting-off printing 31, so that the size of the head 8 of the fixing member 6 can be reduced. Irrespective of this, the spacer 30 can be formed sufficiently long, and the buffer effect can be further obtained.

Third Embodiment Next, FIG. 13 and FIG.
A third embodiment in which the present invention is applied to a wall clock will be described with reference to FIG. In this case, the same parts as those of the first embodiment shown in FIGS. 1 to 4 and the second embodiment shown in FIGS. 10 and 11 are denoted by the same reference numerals, and the description thereof will be omitted. The fixing structure of the glass in this wall clock is similar to that of the second embodiment, except that a spacer 30 is provided between the peripheral portion of the watch glass 14 and the outer peripheral portion 22 of the parting member 21 so as to correspond to the fixing member 6, and the parting-off mechanism On the outer peripheral portion 22 at the four corners of the member 21, a projection 32 is formed which is in contact with the lower surface of the peripheral portion of the watch glass 14. Except for these, the configuration is the same as that of the first and second embodiments. I have. That is, the protrusion 32 is formed to be substantially the same as or slightly higher than the thickness of the spacer 30, and between the outer peripheral portion 22 of the parting member 21 corresponding to the protrusion 32 and the mounting portion 20. In the figure, the buffer tape 24 is not arranged, and a gap is provided.

The structure for fixing the glass in such a timepiece has the same operation and effects as those of the first and second embodiments, and particularly, the outer peripheral portion 22 at the four corners of the parting member 21 is provided with the peripheral portion of the watch glass 14. Projection 3 that contacts the lower surface
Since the spacer 2 is formed, the spacer 30 provided between the periphery of the watch glass 14 and the outer periphery 22 of the parting member 21 in correspondence with the fixing member 6 is shorter than the width of the head 8 of the fixing member 6. Also, these projections 32 can provide gaps between the outer peripheral portion 22 of the parting member 21 and the peripheral edge of the watch glass 14 at the four corners. Therefore, the outer peripheral portions 22 of the watch glass 14 and the parting member 21 at the four corners can be provided. Are not in direct contact with each other, and interference fringes generated by the contact between the watch glass 14 and the outer peripheral portion 22 of the parting member 21 can be prevented.

In the third embodiment, the projections 32 are formed on the outer peripheral portion 22 at the four corners of the parting member 21. However, the projections 32 are not limited to the four corners of the parting member 21.
May be formed on the outer peripheral portion 22 on each side of the above. Also,
In the second and third embodiments, the case where the inner peripheral portion 23 of the parting-off member 21 is formed in a step-like manner has been described.
The present invention is not limited to this. For example, the first
As in the first to fifth modifications of the embodiment, the parting member 21
Needless to say, the inner peripheral portion 23 may be formed.
Furthermore, in the first to third embodiments and each of these modifications, the case where the glass fixing structure is applied to a wall clock has been described. However, the present invention is not limited to this, and can be applied to a clock such as a table clock. However, the present invention can be widely applied to other electronic devices, jewelry boxes, picture frames, and the like.

[0021]

As described above, according to the first aspect of the present invention, the parting member is disposed between the peripheral portion of the case and the peripheral portion of the glass, and the parting member is connected to the peripheral portion of the case. Since the cushioning material is provided between them, even if the cushioning material is formed to be longer than the width of the fixing member, the cushioning material can be hidden by the parting member. And a sufficient buffer effect can be obtained.

According to the second aspect of the present invention, since the spacer having elasticity is provided between the peripheral portion of the glass and the peripheral portion of the parting member so as to correspond to the fixing member, the glass and the parting member are provided by the spacer. Between the glass and the parting member, and it is possible to prevent interference fringes caused by the contact between the glass and the parting member, and to obtain a buffering effect between the glass and the parting member by the elasticity of the spacer. Can be. According to the third aspect of the present invention, parting printing is provided on the lower surface of the peripheral portion of the glass, and a spacer having elasticity is provided between the parting printing and the peripheral portion of the parting member. Similarly to the invention of the above, a gap is formed between the glass and the parting member by the spacer, and interference fringes generated by the contact between the glass and the parting member can be prevented.In addition, the spacer has elasticity, and by the parting printing, The spacer can be hidden, so that the spacer can be formed long regardless of the size of the fixing member, whereby a sufficient buffering effect between the glass and the parting member can be obtained.

According to the fourth aspect of the present invention, since a projection is formed on the peripheral edge of the parting member so as to contact the lower surface of the peripheral part of the glass, the projection allows the glass to be separated from the parting member. Thus, interference fringes generated by the contact between the glass and the parting member can be prevented, as in the second aspect of the present invention. According to the fifth aspect of the present invention, a mark such as a time character is provided on the surface of the part of the parting member extending toward the bottom in the case. The portion extending toward the side can be seen from above through the glass, and the mark such as an hour letter provided on the surface of the parting member can be seen floating above the bottom in the case. .

[Brief description of the drawings]

FIG. 1 is an external front view showing a first embodiment of a wall clock to which the present invention is applied.

FIG. 2 is a partially cutaway side view showing the internal structure of FIG. 1;

FIG. 3 is an enlarged sectional view taken along the line AA of FIG. 1;

FIG. 4 is a plan view of a main part of FIG. 3;

FIG. 5 is an enlarged sectional view showing a first modification of the parting member of FIG. 3;

FIG. 6 is an enlarged sectional view showing a second modification of the parting member of FIG. 3;

FIG. 7 is an enlarged sectional view showing a third modification of the parting member of FIG. 3;

FIG. 8 is an enlarged sectional view showing a fourth modification of the parting member of FIG. 3;

FIG. 9 is an enlarged sectional view showing a fifth modification of the parting member of FIG. 3;

FIG. 10 is an enlarged sectional view of a main part of a wall clock according to a second embodiment of the present invention;

FIG. 11 is a plan view of a main part of FIG. 10;

FIG. 12 is an enlarged sectional view of a main part showing a modification of FIG. 10;

FIG. 13 is an external front view showing a third embodiment of a wall clock to which the present invention is applied.

14 is an enlarged sectional view taken along line BB of FIG.

FIG. 15 is an enlarged sectional view of a main part showing a conventional glass fixing structure.

FIG. 16 is a plan view of a main part of FIG. 15;

[Explanation of symbols]

 Reference Signs List 6 Fixing member 10 Watch case 11 Front case 11a Bottom of front case 13 Peripheral edge of front case 14 Watch glass 20 Mounting part 21 Parting off member 22 Outer peripheral part of parting off member 23 Inner peripheral part of parting off member 24 Buffer tape 25, 26 Time character 30 Spacer 31 Part-time printing 32 Projection

Claims (5)

[Claims] 1. A glass fixing structure for fixing glass to the case by disposing glass on the front surface of the case and pressing the periphery of the glass against the periphery of the case from the outside with a plurality of fixing members. A parting member arranged between the peripheral part of the case and the peripheral part of the glass and extending toward the bottom side in the case; provided between the parting member and the peripheral part of the case; A glass fixing structure, comprising: 2. The glass according to claim 1, wherein an elastic spacer is provided between the peripheral edge of the glass and the peripheral edge of the parting member so as to correspond to the fixing member. Fixed structure. 3. A parting print is provided on a lower surface of a peripheral portion of the glass, and a spacer having elasticity is provided between the parting print and a peripheral portion of the parting member. The glass fixing structure according to claim 1. 4. The glass fixing structure according to claim 1, wherein a projection is formed on a peripheral portion of the parting member so as to contact a lower surface of the peripheral portion of the glass. 5. A mark such as a time character is provided on a surface of a part of the parting member extending toward a bottom in the case. The fixing structure of the glass described.