JP3197828B2 - Disc music box clock - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clock body incorporating a disk music box, and more particularly to a disk music box timepiece suitable for a wall clock.

[0002]

2. Description of the Related Art Today, many clocks are used to play music in time with a time signal such as the hour. In such a timepiece, music is usually performed using a melody IC, but in recent years, the number of timepieces using a disc music box with a beautiful tone has been increasing.

In this disc music box timepiece, as shown in FIG. 6, a disc-shaped disc 91 provided with a large number of playing holes 93 is arranged below a dial 53 of a clock body 11 and a disc music box 71 is built in. Things. As shown in FIG. 7, the disc music box 71 has the disc 91 inserted into the center shaft 89, the disc 91 is fixed to the music box main body 72 by the disc pressing arm 85, and is driven by the motor 75 via the speed reduction mechanism 76. By rotating the shaft 77, the disk 91 is rotated in the circumferential direction. Further, in this disc music box 71, the wheel shaft 83 is also rotated together with the drive shaft 77 via the speed reduction mechanism 76, and when the playing hole 93 is located at the position of the star wheel 81 provided with a plurality of projections around it. The projection of the star wheel 81 is inserted into the playing hole 93 to rotate the star wheel 81, and the music box valve 73 is flipped by the other projection of the rotating star wheel 81.

The music box valve 73 is similar to a music box valve used in a conventional music box provided with a large number of pins around a drum, and has a clear beautiful tone when the music box valve 73 is played. It is designed to play a song. And this disc music box 71
In general, a music piece can be easily changed by exchanging a disc 91, and a sounding mechanism that makes it easy to play various music pieces with a beautiful music box tone. .

Incidentally, in many cases, the replacement of the disk 91 in a disk music box watch is performed as shown in FIG.
Open the opening / closing door 13 of the clock body 11, expose the disc music box 71 by opening the front of the disc music box 71, rotate the disc holding arm 85 about the pivot pin 87, and open the disc, and center the disc 91. After removing from the shaft 89 and mounting a new disk 91, the disk pressing arm 85 is closed and the tip of the disk pressing arm 85 is engaged with the central shaft 89 to fix the new disk 91.

In replacing the disk 91, the disk 91 is not limited to the case where the opening and closing door 13 of the clock body 11 is opened to open the front of the disk 91. It is possible to pull out to the side of the body 11 and replace the disk 91 of the disc music box 71 drawn out of the body 11
It has also been proposed to return the disc music box 71 inside the 11.

[0007]

As described above, a timepiece with a built-in disc music box has a dial and a disc music box, and the disc music box has a width corresponding to a width of a music box valve and a length of a star wheel. A disk with a required radius is required, and the dial of the clock body is required to have a required size for a table clock or a wall clock so that numerals and hands can be easily viewed from a distance.

Then, in order to exchange the disk,
Since it is difficult to replace the disk unless there is a space in front of the entire disk, it is necessary to prevent the disk and the dial from overlapping, and to reduce the size of the analog watch with the disk and the dial. There was a problem that became difficult.
The mechanism to pull out the disc music box from the watch body is
Although the exchange of the disk can be facilitated, there is a problem that the structure of the clock body is complicated, and there is a disadvantage that the clock body is expensive.

[0009]

SUMMARY OF THE INVENTION The present invention provides a timepiece having a front door openably and closably attached to a main body, a dial and a movement fixed to the front door, a disk music box fixed to the main body, and When the front door is closed, the disc of the disc music box can be seen from the front of the clock body, and the disc and the dial are arranged so as to partially overlap.

As described above, since the dial and the disk, which require a large area for the watch body, are arranged so as to overlap with each other, the surface area of the entire watch body can be reduced and the watch body can be downsized. Further, since the dial is fixed to the front door and opened together with the front door, when replacing the disk, the dial is separated from the front surface of the disk, and the disk can be easily replaced.

It is preferable that the amount of overlap between the dial and the disk is about one fifth of the diameter of the disk. As described above, when the overlapping amount of the dial and the disk is set to about 1/5 of the disk diameter, most of the disk can be shown together with the dial, and the pattern on the disk surface and the movement of the disk can be seen. Not only can the music provide auditory enjoyment, but also the visual enjoyment can be provided to the user.

Further, in the wall clock, it is preferable to provide a disc music box timepiece having a locking device provided on the back surface of the main body and a tilt preventing means provided below the back surface of the main body. As described above, if the locking member and the inclination preventing means are provided on the back plate, the clock can be prevented from tilting when the front door to which the movement or the like is fixed is opened. When the front door is made openable and closable with respect to the main body, not only when the front door is integrated with the main body by the hinge member, but also in a wall clock, the front door is made detachable from the main body, and There may be a clock body having a locking tool on the back surface.

As described above, when the hinge member is used, the front door can be easily rotated to open and close. And in the wall clock, even if the front door can be freely attached to and detached from the main body,
The disc can be exchanged by removing the front door arbitrarily while preventing the front door from coming off the main body part by accidental impact.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a disc music box timepiece according to the present invention is such that a part of a dial 53 is placed in front of a disc 91 of a disc music box 71, as shown in FIG. This watch body is, as shown in FIG.
Fix the disc music box 71 to the back plate 23 of the dial 10 and dial 53
The movement 55 is fixed to the middle plate 43.

The middle plate 43 has its periphery integrated with the annular front frame 51, and a transparent front plate positioned in front of the dial 53 is fixed to the front frame 51 to form the front door 41. The door 41 has a hinge member 35 formed on a part of the front frame 51.
A flat back plate 23 to which the disc music box 71 is fixed is also provided.
Is formed as a main body 21 with its periphery integrated with an annular base frame 25, and a hinge member 35 is formed on a part of the base frame 25 also in the main body 21, and the front door 41 is connected to each other by the hinge members 35. The front door 41 is attached to the main body 21 so as to be openable and closable, as shown in FIG.

The base frame 25 of the main body 21 and the front frame of the front door 41
51 and the same shape, and the main body 21
When the front door 41 attached to the base frame 25 is closed, the front end of the base frame 25 comes into contact with the front frame 51 or the middle plate 43. And the middle plate
43 is provided with a through hole 45 slightly larger than the disk 91 in accordance with the position of the disk 91 of the disk music box 71 fixed to the back plate 23, and when the front door 41 is closed, as shown in FIG. The disc 91 of the disc music box 71 can be seen from the front of the clock body 10.

A decoration drive unit 61 is also attached to the middle plate 43, and the tip of a decoration drive arm 63 protruding from both sides of the decoration drive unit 61 projects forward of the middle plate 43 through a swing groove 47. Then, a pendulum decoration 65 is attached to the tip of the decoration drive arm 63. Further, in the timepiece 10, as shown in FIG. 4, a hook hole serving as a locking member 27 is provided above the back surface of the back plate 23, and an elastic material having a large friction coefficient such as soft rubber is provided below the back surface of the back plate 23. The tilt preventing means 31 is attached by a member.

Accordingly, the timepiece body 10 can be fixed to a wall surface or the like by the locking member 27 provided on the back surface of the main body 21, and as shown in FIG. The disc 91 can be easily replaced by exposing the entire music box 71. And the front door
When the 41 is opened, even if the center of gravity of the clock body 10 is offset to the hinge portion, the frictional force with the wall surface is large due to the inclination prevention means 31,
The clock body 10 can be prevented from tilting.

When the front door 41 is closed by rotating the front door 41 about the hinge member 35, the disc 91 is seen from the front of the timepiece 10 through the through hole 45 of the middle plate 43, and a part of the disc 91 is formed. Can hide most of the disc 91 even if it is hidden behind the dial 53, and at the right time, the music can be played with the beautiful tone of the disc music box 71 and the rotation of the disc 91 can be seen. It can entertain hearing and vision.

It should be noted that if the dial 53 and the disk 91 overlap each other, the majority of the disk 91 can be seen if the lower end of the dial 53 is overlapped with the disk 91 by about 1/5 of the diameter of the disk 91. The length of the clock body 10 in the direction connecting the center of the dial 53 and the center of the disk 91 can be shortened, and the clock body 10 can be downsized. Further, the inclination preventing means 31 is not limited to a soft elastic member, and may use a pin fixing tool having a split groove as shown in FIG.

In the tilt preventing means 31, a pin protruding from the wall is positioned in the split groove to prevent the clock body 10 from tilting, or a small screw or nail is positioned in the split groove and driven into the wall. Thus, when the watch body 10 is hung on a wall or the like by the locking member 27, the watch body 10 can be fixed so as not to shake. Further, the clock body 10 shown in FIGS. 1 to 4 and the like is a wall-mounted clock body 10, and a table clock that stably mounts the clock body 10 by forming a pedestal portion at the lower end of the main body 21. In the same way, the dial 53 and the movement 55 and the pendulum decoration 65
Attach the front door 41 with this dial 53, etc.
A disc music box timepiece can be formed as a small clock by fixing the disc music box 71 to the main body 21 having a pedestal portion so as to be freely opened and closed by a hinge member 35 and fixing the disc music box 71 to the main body 21.

The hinge member 35 which allows the front door 41 to be opened and closed with respect to the main body 21 is a clock body which has a simple structure and the front door 41 can be opened and closed. Is what you can do. In the case of a wall clock, a locking member protrudes from the inside of the upper end of the front frame 51, and a locking receiving member is provided at the upper end of the base frame 25, etc.
The front door 41 may be fixed to the main body 21 by engaging the locking member with a locking receiving member so that the front door 41 can be detachably opened and closed with respect to the main body 21.

In this case, the main body 21 is fixed to the wall surface by the locking member 27 provided on the back plate 23 of the main body 21, and the locking member of the front door 41 is engaged with the locking receiving member of the main body 21. Then, fix the front door 41 to the main body 21 and fix it to the wall.
The watch body 10 can be easily viewed from the dial 91 and the dial 53.
The wall clock is usually suspended and fixed at a position where it cannot be reached or where other objects do not hit it.
The watch body 10 does not accidentally come off from the watch body.

[0024]

According to the first aspect of the present invention, a front door is attached to a main body so as to be openable and closable, a dial and a movement are fixed to the front door, and a disc music box is fixed to the main body.
This is a disc music box clock in which the disc is made visible from the front when the front door is closed, and is arranged so as to partially overlap the dial.

Therefore, the dial and the disk can be partially overlapped to show the movement of the disk while the watch body is reduced in size, and when replacing the disk, the dial is opened together with the front door and the disk music box is opened. And the disk can be easily exchanged. The invention according to claim 2 is a disc music box timepiece in which the amount of overlap between the dial and the disc is about 1/5 of the diameter of the disc.

Therefore, it is possible to reduce the size of the timepiece while exposing most of the disk. According to a third aspect of the present invention, there is provided a disc music box timepiece having a locking member and an inclination preventing means on the back surface of the main body.
Therefore, when the front door of the disc music box timepiece mounted on the wall is opened, the timepiece can be prevented from tilting.

Further, the invention according to claim 4 is a disc music box timepiece in which the front door can be opened and closed by a hinge member with respect to the main body. Therefore, the front door to which the dial and the like are attached can be easily opened and closed, and the manufacture of the timepiece can be facilitated. The invention according to claim 5 is a disc music box timepiece as a wall clock in which the front door is detachable from the main body.

Therefore, the main body can be used as a wall clock by fixing the main body to the wall surface and attaching the front door to the main body.
The disc music box can be easily opened by removing the front door to expose the disc music box, and a small disc music box timepiece can be easily designed and manufactured.

[Brief description of the drawings]

FIG. 1 is a front view showing an example of a disc music box timepiece according to the present invention.

FIG. 2 is an exploded view showing an example of the disc music box timepiece according to the present invention.

FIG. 3 is a top view showing a state where the front door of the disc music box timepiece according to the present invention is opened.

FIG. 4 is a rear view showing an example of the disc music box timepiece according to the present invention.

FIG. 5 is a rear view showing another example of the disc music box timepiece according to the present invention.

FIG. 6 is a front view showing an example of a conventional disc music box timepiece.

FIG. 7 is an external view showing a disc music box.

FIG. 8 is a sectional plan view showing an example of a conventional disc music box timepiece.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10, 11 Watch body 13 Opening / closing door 21 Main part 23 Back plate 25 Base frame 27 Locking device 31 Tilt prevention means 35 Hinge member 41 Front door 43 Middle plate 45 Through hole 47 Swing groove 51 Front frame 53 Character plate 55 Movement 61 decoration drive unit 63 decoration drive arm 65 pendulum decoration 71 disk music box 72 music box body 73 music box valve 75 motor 76 reduction mechanism 77 drive shaft 81 star wheel 83 wheel shaft 85 disk holding arm 87 rotation pin 89 center axis 91 disk 93 playing hole

Continuation of the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) G04B 21/08 G04B 37/00-37/14 G06F 1/00-5/06

Claims (5)

(57) [Claims] 1. A timepiece in which a front door is openably and closably attached to a main body, wherein a dial and a movement are fixed to the front door, a disc music box is fixed to the main body, and the front door is closed. A disc music box watch characterized in that the disc of the disc music box is made visible from the front of the watch body and the disc and the dial are partially overlapped. 2. The disc music box timepiece according to claim 1, wherein the amount of overlap between the dial and the disc is about one fifth of the diameter of the disc. 3. A device having a locking device on a back surface of the main body,
3. The disc music box timepiece according to claim 1, further comprising an inclination preventing means below the back surface of the main body. 4. The disc music box timepiece according to claim 1, wherein the front door can be opened and closed by a hinge member with respect to the main body. 5. The disk according to claim 1, wherein the front door is detachably openable and closable with respect to the main body, and has a locking member on a back surface of the main body. Music box clock.