JP3393525B2 - Mechanism opening and closing mechanism - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mechanical clock having a structure in which a door is provided at an opening in which a mechanical mechanism is installed and the mechanical mechanism is concealed by the door so that the door can be opened and closed at a predetermined time. Door opening and closing structure.

[0002]

2. Description of the Related Art In general, a mechanical timepiece has a mechanical device such as a doll which is normally hidden in the body of the timepiece, and normally, the hour hand of the timepiece has a dial "12" such as the hour (1:00, 2:00, etc.). It is a clock that appears in the outside world and acts as a karakuri act, and small ones are table clocks and wall clocks that are placed indoors, and large ones are installed on the wall of a building or on an independent tower. A wide variety of equipment clocks are known.

This mechanical clock has a structure in which the stage of the mechanical device faces in one direction, and a doll or the like appears on the stage at a predetermined time. In addition, there are various modes of movement of the Karakuri device,
For example, when the door opens and dolls come out, the doll that comes out moves further, its movement is up and down and left and right, and at the same time various melodies and other sound effects are brought, There are different modes depending on the size of the mechanical clock, such as those that are lighted up.

[0004]

In the above-mentioned mechanical timepiece, a window provided with a door is formed in a part of the dial of the timepiece, and the door is opened at the time of time such as hour and so on, and the inside is opened. It is well known that moving objects such as Karakuri dolls that are arranged operate.

In this type of mechanical timepiece, since the window provided in a part of the dial is opened and closed, the dial itself having the window is always exposed to the eyes, and even when the window is opened and the mechanical operation is performed, Normally, the window occupies a small space, and since the window is a part of the dial and the image of the clock is always attached to it, the impact of the mechanism operation is not so large, and it does not work as a mechanism clock. In some cases, it was not possible to expect much otherness.

In view of the above, according to the present invention, the door of the karakuri device is formed separately from the dial so that the door does not have to be conscious of the door provided on the dial, such as a clock. The purpose of the present invention is to provide a structure for opening and closing the door of a Karakuri clock that can be stored inside.

[0007]

According to a first aspect of the present invention, there is provided a mechanical clock having a door for concealing the mechanical motion body in an opening in which the mechanical motion body is installed, and the door is opened and closed at a predetermined time. In the door opening / closing structure, at least two doors are rotatably connected to each other, and a first regulation groove in the left-right direction that guides the traveling of the first door is provided in the opening portion, and at least a final groove. A second regulating groove for guiding the travel of the door, the first door has an engaging portion that engages with the first regulating groove, and the final door has the second regulating groove. Further, the second regulation groove is provided discontinuously and in a different direction from the first regulation groove, and the final door is the first sheet when the door is opened. Is a structure for opening and closing the door of a mechanical timepiece, which is provided so as to rotate with respect to the door.

According to a second aspect of the present invention, in the first aspect of the invention, the first and second restricting grooves are provided in the upper and lower portions of the opening, and the respective doors are engaged with the engaging portions. It is a structure for opening and closing the door of a mechanical clock that has a configuration.

According to this structure, the plurality of rotatably connected doors move in the left-right direction to open and close. Since the traveling of the first door is guided by the first regulation groove in the left-right direction, it opens and closes in the left-right direction. The travel of the final door among the doors sequentially connected to the first door is guided by the second restriction groove. Since the second restriction groove is discontinuous with the first restriction groove and provided in a different direction, the final door is the first sheet along the second restriction groove including the curved portion. Opens and closes in a direction different from the door. When the first door opens and closes in the left-right direction while the final door opens and closes in the non-left-right direction, the final door has a smaller door storage space in the left-right direction compared to the case where the final door simply opens and closes in the left-right direction. End

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION A door opening / closing structure for a mechanical timepiece according to the present invention will be described below with reference to the illustrated specific examples.

In this embodiment, as shown in FIG. 1, an opening 11 is provided inside a timepiece (not shown), and a mechanism 12 (not shown) is arranged on the stage 12 of the opening 11. A door that opens and closes is provided on the entire surface of this Karakuri motion body. In FIG. 1, the stage 12 is shown with the decorative plate removed, and the door driving device 20 housed inside is shown. However, the decorative plate originally hides the door driving device 20. ing.

In this example, the wall portions 1 at the left and right ends of the opening 11 are formed.
A pair of left and right doors having two doors connected to each other is provided between 3 and 13, and a door opening / closing structure of a type in which the pair of doors are moved from the center to the left and right is provided. That is, one is the first door 1 on the center side and the second door 2 connected to it, and the other is the first door 1 ′ on the center side and the second door 1'which is also connected to this. Door 2 '. Therefore, the final door of the present invention corresponds to the second door in this example. And
The pair of left and right doors 1 and 2 and doors 1 ′ and 2 ′ are driven by the door driving device 20 to be guided in a regulation groove described later to open and close left and right. The doors 1 and 2 move to the right in FIG. 1 to open and close, and the doors 1 ′ and 2 ′ move to the left,
The doors 1 and 2 open and close symmetrically.

As shown in FIGS. 1 and 2, in the opening 11, the first regulating grooves 3, 3'in the left-right direction for guiding the traveling of the first door 1, 1'and the second sheet. It is provided with second restriction grooves 4, 4'for guiding the travel of the doors 2, 2 '. First restriction groove 3,
3'is provided in the front part of the opening 11, similarly to the groove guided when the normal door is opened and closed in the left-right direction.

The second restricting grooves 4 and 4'are respectively the first
It is located on the rear side of both ends of the restriction grooves 3 and 3 ', and in this example, it has a substantially L-shape in plan view in which the bent portions 4a and 4a' are formed. The second restricting grooves 4 and 4'are provided so that the inner sides of the bent portions 4a and 4a 'face the first restricting groove. In this example, the first restriction groove 3, 3'and the second restriction groove 4, 4'are installed symmetrically above and below the door.

The doors 1 and 2 are provided on the rear surfaces of the opposite ends,
A hinge-shaped connecting tool 5 is fixedly attached and rotatably connected. Similarly, the doors 1 ′ and 2 ′ are also rotatably connected to each other by fixing the connecting tool 5 ′.

Further, the first door 1,1 'is provided with an engaging portion for engaging with the first restriction groove 3,3', and the second door 2,2 'is provided with the first door. 2 is provided with an engaging portion that engages with the restriction grooves 4 and 4 '. In this example, the first restricting grooves 3, 3 ′ and the second restricting grooves 4, 4 ′ provided in the upper part of the opening 11 constitute a so-called guide rail that suspends each door, and corresponds to this. The engaging portions on the upper portions of the doors 1 and 1'and the doors 2 and 2'are rotational suspension bodies 1a, 2a, 1a ', which engage with the guide rails.
2a '.

On the other hand, the first restricting grooves 3, 3'and the second restricting grooves 4, 4'provided in the lower part of the opening 11 are formed in the horizontal plate 12a of the stage portion 12, and correspondingly. , The lower engaging portions of the doors 1 and 1'and the doors 2 and 2'include protrusions 1b, 2b, 1b 'and 2b' which engage with the grooves.

In the case of this example, the door driving device 20 is shown in FIG.
As shown in FIG. 5, the door is opened and closed by a motor, a rack and a pinion.
It is stored inside. The motor 21 is installed in the lower part of the center of the stage, and a pinion 23 is provided above the motor 21 via trains 22. This pinion 23
Racks 24, 25 that are long in the left-right direction are arranged in front of and behind the pinion 23 so as to sandwich the pinion 23, and one rack 24 is linked to the protrusion 1b of the door 1 via a fixture 24a. The other rack 25 is linked to the protrusion 1b 'of the door 1'via a fixture 25a.

When the motor 21 of the door drive device 20 rotates, the pinion 23 rotates via the train wheel 22, 22,
The racks 24 and 25 meshing with this are respectively driven in the left-right direction. That is, one rack 24 moves to the right, and therefore the first door 1 linked to the rack 24 moves to the right and the second door 2 connected to the door 1 also moves to the right. Can be moved. Similarly, the other rack 25 moves leftward, the first door 1 ′ linked to the rack 24 moves leftward, and the second door 2 ′ connected to the door 1 ′ also moves. Can be moved to the left.

When the motor 21 of the door driving device 20 rotates, the first door 1, 1'is driven and the second door 2, 2'is pushed from the closed state of the door shown in FIG. When moved, the doors move open as shown in FIGS. 3 to 6.

FIG. 3 shows an initial moving state of the doors, and when the first doors 1, 1'begin to open in the left-right direction, the doors 1, 1'are opened.
Is its engaging portion (rotary suspension 1a, 1a 'and projection 1).
b, 1b ') is restricted by the first restriction grooves 3, 3'and moves to the left and right. On the other hand, in the second door 2, 2 ′, the engaging portion (rotational suspension body 2 a, 2 a ′ and the projection body 2 b, 2 b ′) is regulated by the second regulation groove 4, 4 ′, and the connector 5 , 5'starts turning around the fulcrum.

When the doors 1 and 1'and the doors 2 and 2'move further, the pivoting of the doors 2 and 2'progresses as shown in FIG. 4 and FIG. 5, resulting in the state shown in FIG. Will be folded back. FIG. 7 is a front view of the state shown in FIG. in this way,
When opening the door, the second door 2,2 'is the first door 1,1'
Since the doors 2 and 2'are brought back to each other, the ends of the doors 2 and 2'on the side opposite to the connecting side are located inside (center side) of the connecting portion, and therefore, the doors 2 and 2 '. The door storage space in the left-right direction can be smaller than when the door is simply opened and closed in the left-right direction.

In order to close the opened door, the motor 21 of the door driving device 20 is rotated in the reverse direction so that the door moves in a path opposite to the above-described order and the opening 11 is closed. .

FIG. 8 shows another embodiment of the present invention. In this example, the second restricting grooves 4 and 4'are formed in a curved shape, and the curved state is set in a direction away from the first restricting groove. Is forming. Also in the case of this example, when the first door 1, 1 ′ starts to open in the left-right direction, the door 1, 1 ′ is engaged with its engaging portion (rotation suspension body 1 a, 1 a ′ and projection body 1 b, 1 b ′). ) Is regulated by the first regulation grooves 3 and 3'and moves to the left and right. On the other hand, 2
The doors 2 and 2'of the first sheet are engaged with each other (rotating suspension members 2a, 2
a'and the projections 2b, 2b ') are regulated by the second regulation grooves 4, 4'and start to rotate with the coupling tools 5, 5'as fulcrums. When the movement of the doors 1 and 1'and the doors 2 and 2'progresses, the rotation of the doors 2 and 2'progresses as in the previous example, and when the doors are opened, the second doors 2 and 2'are the first ones. The doors 1 and 1'are brought at a right angle. Therefore, also in the case of this example, the door storage interval in the left-right direction can be smaller than that in the case where the doors 2, 2'are simply opened and closed in the left-right direction.

Although the door has been described as a hanging type in this example, it can be implemented by a normal door-roller traveling type, so the present invention is not limited to this example. The first and second restriction grooves are not limited to those of this embodiment, and the shape of the second restriction groove is not limited to the L-shape in plan view, the arc shape, and others. Any suitable shape can be adopted. Further, although the description has been given by taking the case of two doors as an example, the number of doors may be three or more. Further, the door driving device can also take an appropriate form such as being driven by a pulley / belt or installed on the upper portion of the opening.

[0026]

As described above, according to the invention of the first claim of the present application, a door for concealing a mechanism moving body is provided in an opening in which the mechanism moving body is installed, and the mechanism is opened and closed at a predetermined time. In the door opening / closing structure of the clock, the door is
At least two sheets are rotatably connected to each other, and a first regulation groove in the left-right direction that guides the traveling of the first door and a second regulation that guides the traveling of the final door are provided in the opening. A groove, the first door includes an engaging portion that engages with the first restriction groove, and the final door includes an engaging portion that engages with the second restriction groove. Further, the second restriction groove is provided discontinuously and in a different direction from the first restriction groove so that the final door rotates with respect to the first door when the door is opened. This is the structure for opening and closing the door of a mechanical clock that is configured to be performed.

According to a second aspect of the present invention, in the first aspect of the invention, the first and second regulating grooves are provided in the upper and lower portions of the opening, and each door is an engaging portion engaging with these. It is a structure for opening and closing the door of a mechanical clock that has a configuration.

Therefore, the plurality of rotatably connected doors move in the left-right direction to open and close, and the first door is guided by the first restricting groove in the left-right direction for its travel. Of the doors that are opened and closed in the left-right direction and are sequentially connected to the first door, the final door is guided by the second restriction groove, and the second restriction groove serves as the first restriction groove. Are discontinuous and provided in different directions,
The final door is opened and closed in a direction different from that of the first door along the second regulation groove having the curved portion. As described above, when the first door is opened and closed in the left-right direction and the final door is opened and closed in the non-left-right direction, the final door is opened in the left-right direction as compared with the case where the final door is simply opened in the left-right direction. The storage space is small, and as a result, the door can be installed in a space in which the width of the opening is small.

Further, since the door opening / closing structure according to the present invention can be installed separately from the dial of the timepiece, the door of the karakuri device is formed separately from the dial, and the door provided on the dial, especially the timepiece. It is possible to have sex and fun other than not being aware of that.

[Brief description of drawings]

FIG. 1 is a front view showing a whole structure of a mechanical timepiece according to a specific example of a door opening / closing structure of the present invention when a door is closed.

FIG. 2 relates to the door opening / closing structure of the mechanism clock of this specific example,
It is a cross-sectional view showing the opened and closed state of the door.

FIG. 3 relates to the structure for opening and closing the door of the mechanism clock of this specific example,
It is a cross-sectional view showing the opened and closed state of the door.

FIG. 4 relates to the door opening / closing structure of the mechanism clock of this specific example,
It is a cross-sectional view showing the opened and closed state of the door.

FIG. 5 relates to the door opening / closing structure of the mechanism clock of this specific example,
It is a cross-sectional view showing the opened and closed state of the door.

FIG. 6 relates to the door opening / closing structure of the mechanism clock of this specific example,
It is a cross-sectional view showing the opened and closed state of the door.

FIG. 7 is a front view showing a specific example of the door opening / closing structure of the mechanical timepiece according to the invention and showing the overall configuration when the door is opened.

FIG. 8 is a cross-sectional view showing a door opening / closing structure of a mechanical clock according to another specific example, showing an open / closed state of the door.

[Explanation of symbols]

1 1st door 1a Rotating suspension 1b protrusion 1'first door 1a 'rotary suspension 1b 'protrusion 2 Second door 2a Rotating suspension 2b protrusion 2'second door 2a 'rotating suspension 2b 'protrusion 3 first regulation groove 3'first regulation groove 4 second regulation groove 4'second restriction groove 4a bent part 4a 'bent part 5 connector 5'connector 11 openings 12 Stage section 12a Horizontal plate 13 wall 20 Door drive 21 motor 22 train wheel 23 Pinion 24 racks 25 racks

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-62-38113 (JP, A) JP-A-10-104368 (JP, A) Actual flat 3-70392 (JP, U) Actual flat 3- 99391 (JP, U) Actual development 4-49895 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) G04B 45/00 A63H 13/20

Claims (2)

(57) [Claims] 1. A door opening / closing structure for a mechanical clock which comprises a door for concealing the mechanical operating body in an opening in which the mechanical operating body is installed, and the door opens and closes at a predetermined time. The opening is provided with a first restriction groove in the left-right direction that guides the travel of the first door and at least a second restriction groove that guides the travel of the final door. The first door includes an engaging portion that engages with the first restriction groove, and the final door includes an engaging portion that engages with the second restriction groove. A second restriction groove is provided in a direction different from that of the first restriction groove and in a different direction so that the final door rotates relative to the first door when the door is opened. The structure that opens and closes the door of a Karakuri clock. 2. The mechanical timepiece according to claim 1, wherein the first and second restricting grooves are provided in the upper and lower parts of the opening, and each door is provided with an engaging part that engages with the restricting grooves. Door opening and closing structure.