JP2528000Y2 - Decoration device for mechanical 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 decoration device for a mechanical timepiece mainly used for a wall clock.

[0002]

2. Description of the Related Art In a clock mechanism, a mechanism such as a doll installed in the watch body or attached to the watch body usually has an hour hand at the hour (1 o'clock, 2 o'clock, etc.). Is a clock that performs a predetermined operation when it reaches “12”. Small ones include table clocks and wall clocks, and large ones can be installed on the wall or independent tower of a building. Are known. In addition, there are various modes of movement of the decoration device in the mechanical timepiece, for example, a thing in which a doll or the like comes out when a door is opened, a thing in which a doll comes out moves, and the movement is up and down, right and left, and rotation. There are different modes depending on the size and size of the mechanical clock, such as a music box sound or other sound that is simultaneously produced, a light that is illuminated, and the like.

[0003] Incidentally, the decoration device of a mechanical timepiece provided on a wall clock has a limit in size because the wall clock is installed on a wall surface, a pillar, or the like. However, the decoration device itself cannot be made too large due to the relationship with the clock body.

[0004]

SUMMARY OF THE INVENTION In a decorative device used for a wall clock of this type, there is a certain space limitation in a decorative device provided in a clock body. In other words, even if the decoration device itself can perform as large an operation as possible, the mechanism itself that causes the operation cannot fit in the space, so that it cannot be denied that the decoration device has certain restrictions. In particular, since the glass is provided on the front surface of the timepiece, the movable body of the decoration device moves vertically or horizontally to perform a large operation. And, as described above, since the decoration device exists inside the glass,
It is required that the mechanism has few failures and high reliability. On the other hand, it is desired to have a simple mechanism, easy production, and low production cost.

Therefore, the present invention provides a highly reliable structure and mechanism which can operate as large as possible in a limited fixed space in a decorative device used for a wall clock, and which has few failures. It is another object of the present invention to provide a device which has a simple mechanism, is easy to manufacture, and has a low manufacturing cost.

[0006]

That is, according to the present invention, a support member 5 having a driving device 6 provided on the back surface thereof is provided with a reference numeral used in the embodiment; Doll bases 3 and 4 that move up and down by a driving device; dolls 2 and 2 disposed on the doll table; the driving device includes a motor 7 fixed to the back surface of the support; A feed screw 8 fixed rotatably in the vertical direction on the back side and rotated by the driving force of the motor; a nut 9 screwed with the feed screw
And a horizontal plate 10 fixed to the nut; a shaft member 11 fixed to the upper portion of the back surface of the doll stand and operating in the vertical direction together with the doll table, the lower portion of which is fixed to the horizontal plate on the back surface of the support; This is a decoration device for a mechanical watch equipped with:

The above-mentioned reference numerals are for convenience of explanation, and it is a matter of course that the present invention is not limited to specific members related to these reference numerals.

[0008]

In the present invention having the above construction, when the mechanism is turned on at a predetermined time, for example, on the hour, the motor is driven to rotate, and the feed screw is rotated accordingly. The nut screwed to the feed screw and the horizontal plate fixed to the nut rise, and the shaft member fixed to the horizontal plate rises. When the shaft member rises, the doll stand linked to the upper part of the shaft member and the doll arranged on the doll stand rise. The feed screw stops after rotating for a predetermined time (a predetermined number of rotations), and the doll stand and the doll stop at the raised position.

Here, although not included in the components of the present invention, in the case of the embodiment described later, a melody flows for a certain time (several seconds) from the melody circuit of the IC and the sounding body.

After a predetermined time, the motor is driven to rotate in the reverse direction, the feed screw rotates in the reverse direction, and the nut is linked to the horizontal plate fixed to the nut, the shaft member fixed to the horizontal plate, and the upper portion of the shaft member. The doll stand and the doll descend. When the motor reaches a predetermined position, the driving of the motor is stopped, and the operation of the doll stand and the doll is also stopped.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to one embodiment shown in the drawings. FIG. 1 shows a wall clock in which the decoration device of the present invention is installed. FIG. 2 shows the decoration device taken out and enlarged. In this embodiment, the decoration device 1 according to the present invention is housed inside a wall clock, installed at the lower part of a clock faceplate, and provided with a plurality of dolls 2 and 2.
Is a doll stand (first doll stand 3 and second doll stand
These dolls 2 and 2 are moved up and down together with the doll table by a driving device described later in detail.

FIG. 3 shows the back side of the decoration device 1, and corresponds to the vertical position of the dolls 2, 2 in FIG. Reference numeral 5 denotes a support. On the front side of the support 5, the doll stand 3 is disposed so as to be vertically movable. On the back of the support 5, a driving device 6 for vertically driving the first doll stand 3 is provided. It is arranged. The dolls 2, 2 ride on the box-shaped members 3a, 4a of the doll stands 3, 4 and hold the hammers 2a, 2a in their right hands. Each right hand is provided so as to be able to be driven to swing its arm by a built-in solenoid. When the doll stands 3 and 4 rise when the apparatus is driven, the solenoids are driven to hit the bells B and B as if the bells B and B were hit. Such an operation is performed (see FIG. 7 described later). As will be described in detail later, the second doll stand 4 is installed on the left and right mounting sections 3 b of the first doll stand 3.

The support 5 mounts and holds almost all of the components of the decorative device 1 and is fixed to the timepiece. 5
Reference numeral a denotes a mounting screw hole into which a screw (not shown) is inserted to fasten the support 5 to the watch body. Reference numeral 5b denotes a step, which serves as a stopper when the second doll stand 4 is lowered. As shown in FIG. 4, a pair of ridges 5c provided in the vertical direction are formed on the front surface of the support body 5 on the left and right. Corresponding to the ridges 5c, a pair of vertical ridges 3c are also formed on the back surface of the first doll stand 3 inside the ridges 5c. Due to the presence of these ridges 3c, 5c, the vertical movement of the first doll stand 3 is regulated and stabilized.

The driving device 6 includes a motor 7 fixed to the back surface of the support 5, a feed screw 8 rotated by the driving force of the motor, a nut 9 screwed to the feed screw, and a horizontal plate fixed to the nut. 10, a shaft member 11 fixed to the horizontal plate.

A pulley 7b is fixed to the motor 7 with its output shaft 7a facing downward, and a belt 12 is wound between the pulley 8b and a pulley 8b fixed below the feed screw 8 to form a motor. 7 is transmitted to the feed screw 8. 8a is a receiving bracket for supporting the lower end of the feed screw 8;
Is an upper bracket.

Since the horizontal plate 10 is fixed to the nut 9 screwed with the feed screw 8 as described above,
The nut 9 itself does not rotate, but moves up and down exclusively with the rotation of the feed screw 8. When the nut 9 reaches the upper and lower ends of the feed screw 8, the nut 9 comes into contact with the limit switches 13 and 13 installed near the upper and lower ends of the feed screw 8 to determine that the nut 9 has been reached.

A shaft member 11 fixed to the horizontal plate 10
Is a protruding piece 3 whose upper end protrudes from the back of the first doll stand 3
d. The shaft member 11 is inserted through a plate member 5d provided on the upper surface of the back surface of the support body 5 to regulate and guide the vertical movement of the shaft member.

As described above, the doll table which is vertically moved by the driving device 6 is composed of the first doll table 3 provided with the shaft member 11 and the second doll table provided on the left and right sides of the doll table. The second doll table 4 is provided so as to be vertically movable with respect to the first doll table 3, and is pulled by the first doll table 3 by an elastic member 14. Is held. That is, in FIG. 4, the second doll stand 4 installed on the left and right mounting portions 3b of the first doll stand 3
Has the box-shaped member 4a as described above, and the downward protruding pieces 4b provided on one side (the side of the first doll stand) of the box-shaped member 4a are provided on the left and right sides of the first doll stand 3. The second doll stand 4 is provided movably up and down with respect to the first doll stand 3 by engaging with a groove 3e provided between the placing portion 3b and the box-shaped member 3a. On the other side of the box-shaped member 4a of the second doll stand 4, a hanging piece 4c having a lower end protruding in the lateral direction is provided. When the second doll stand 4 moves up and down, the hanging piece 4c comes into contact with the step 5b of the support body 5 when the second doll stand 4 moves down, and serves as a stopper for stopping at a predetermined position.

A box-shaped member 4a of the second doll stand 4;
An elastic member 14 such as a coil spring is mounted between the first doll stand 3 and the box-shaped member 3a of the first doll stand 3, and the second doll stand 4 is constantly pulled to the first doll stand 3. Thereby, the second
The doll table 4 is not only placed on the first doll table 3 but also is stably placed by being pulled. The upper part of the elastic member 14 is concealed by the box-shaped member 4a of the second doll stand 4, and the lower part is concealed by the decorative member 15 of the timepiece. It is made invisible.

Next, the operation of the decoration device according to the present invention will be described.

In this embodiment, the mechanism is switched on at the right time, and at the right time, the motor 7 is driven to rotate, and the output shaft 7a, the pulley 7b,
The feed screw 8 rotates via the belt 12 and the pulley 8b. When the feed screw 8 rotates, the nut 9 screwed with the feed screw and the horizontal plate 10 fixed to the nut rise,
The shaft member 11 fixed to the horizontal plate rises. Shaft member 1
When 1 rises, the first doll stand 3 linked to the upper part of the shaft member and the dolls 2 arranged on the box-shaped member 3a thereof
2 rises.

For a while after the first doll stand 3 starts to ascend, the second doll stand 4 is stationary. That is, as shown in FIG. 2, the initial setting position of the second doll stand 4 is such that the hanging piece 4 c abuts and is placed on the step 5 b of the support 5, and
Is not mounted on the mounting portion 3b of the doll stand 3, and even if the first doll table 3 starts to rise, the mounting portion 3b does not pull up the second doll table 4. Is stationary in its original position. The stationary state of the second doll stand 4
In particular, since the elastic member 14 pulls the second doll stand 4 downward, the elastic member 14 is maintained until the placing portion 3b of the first doll stand 3 pulls up the second doll stand 4.

When the ascending of the first doll stand 3 proceeds and reaches the state shown in FIGS. 5 and 6, the placing section 3 of the first doll stand 3 is described.
When b reaches the position where it fits with the box-shaped member 4a of the second doll stand 4, and when the first doll stand 3 further rises from this state,
The placing section 3b described above of the first doll stand 3 pulls up while holding the second doll stand 4.

When the first doll stand 3 further moves upward and the nut 9 contacts the upper limit switch 13,
The switch is turned off, the driving device 6 stops, and the doll stands 3, 4 and the dolls 2, 2 stop at the raised position (see FIGS. 7 and 8). Here, a melody flows for a certain period of time (several seconds) from the melody circuit and the sounding body of the IC, and the right arm of each of the dolls 2, 2 moves according to the pace, and the hammers 2a, 2a hit the bells B, B as if they hit the bells B, B. (See FIG. 7)
reference). As described above, this is achieved by the operation of the built-in solenoid and the swinging of the arm around the shoulder at the fulcrum. In this embodiment,
The light-emitting element mounted on the bell B blinks in response to the movement of the hammers 2a, 2a.

After a predetermined time, the motor 7 is driven to rotate in the reverse direction, the feed screw 8 rotates in the reverse direction, and the nut 9, the horizontal plate 10 fixed to the nut, the shaft member 11 fixed to the horizontal plate, and the shaft member Puppet stands 3 and 4 and puppets 2 and 2 linked to the upper part
Begins to descend.

Since the box-shaped member 4a is mounted on the mounting portion 3b of the first doll stand 3, the second doll stand 4 is lowered together with the first doll table 3. And, as described above, when the box-shaped member 4a comes to a position substantially continuous with the stage line of the decorative member 15, the hanging piece 4c of the box-shaped member 4a Step 5
b, the lowering of the box-shaped member 4a stops at this position. Therefore, the left and right dolls 2 and 2 also stand still on the stage line.

Thereafter, the first doll stand 3 continues to be lowered by the rotational drive of the motor 7, and when the nut 9 contacts the lower limit switch 13, the switch is turned off and the driving device 6 is stopped, and the doll table 3 is stopped. The stand 3 and the dolls 2 and 2 stop at the lowered position (see FIGS. 2 and 3).
The placing portion 3b described above of the first doll stand 3 is further lowered from the position shown in FIGS. 5 and 6 and is pulled downward by the elastic member 14, so that the second doll stand 4 and the placing portion 3b are placed thereon. The stationary state of the dolls 2 and 2 is stably achieved.

[0028]

The present invention is constructed as described above, and since the drive mechanism is basically assembled with reliable components including a motor, a feed screw and a screw nut, the development of the operation is greatly increased. In addition, it is possible to obtain a decoration device with less failure of the structure and mechanism. Further, in the present invention, the driving device is composed of a horizontal plate fixed to the screw nut and a shaft member fixed to the basic member, so that the number of members is small, so that the mechanism is simple and the manufacturing is simple. An easy decoration device can be obtained.

As described above, according to the present invention, in a decorative device used for a wall clock, a large-sized operation can be performed as much as possible within a limited fixed space, and a highly reliable structure with few failures. A mechanism can be obtained, and the apparatus can be provided with a simple mechanism, easy production, and low production cost.

[Brief description of the drawings]

FIG. 1 is a front view of a wall clock on which a decoration device of the present invention is installed.

FIG. 2 is a front view showing one embodiment of the decoration device of the present invention.

FIG. 3 is a rear view showing one embodiment of the decoration device of the present invention.

FIG. 4 is a perspective view showing the doll stand partially exploded.

FIG. 5 is a front view showing the embodiment of the decoration device according to the present invention, showing a state in which a doll stand at the center is raised.

FIG. 6 is a rear view of the decoration device according to the embodiment of the present invention, showing a state in which a central doll stand is raised;

FIG. 7 is a front view showing an embodiment of the decoration device according to the present invention, showing a state in which a doll stand on the center and left and right sides is raised;

FIG. 8 is a rear view of the decoration device according to the embodiment of the present invention, showing a state in which the doll stands on the center and left and right sides are raised;

[Explanation of symbols]

 Reference Signs List 1 decoration device 2 doll 3 first doll stand 3a box-shaped member 4 second doll stand 4a box-shaped member 5 support 6 driving device 7 motor 8 feed screw 9 nut 10 horizontal plate 11 shaft member

Claims (2)

(57) [Scope of request for utility model registration] 1. A support having a driving device disposed on a back surface thereof, a doll stand disposed on a front surface of the support and vertically moving by the driving device, and a doll disposed on the doll table. A motor fixed to the back surface of the support; a feed screw fixed to the back surface of the support so as to be rotatable in a vertical direction, and rotated by a driving force of the motor; And a horizontal plate fixed to the nut, and a shaft member fixed to the upper portion of the back surface of the doll stand and operating in the vertical direction together with the doll table, the lower portion of which is fixed to the horizontal plate on the back surface of the support. A decoration device for a mechanical timepiece, comprising: 2. A doll stand which is vertically operated by the driving device is composed of a first doll stand provided with the shaft member and a second doll stand installed on the left and right sides of the doll stand. The second doll stand is configured so as to be vertically movable with respect to the first doll stand, and is pulled and held by the first doll stand by an elastic member. Item 4. A decoration device for a mechanical watch according to Item 1.