JP6703637B1 - Movable structures and toys - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize a movable structure which can be curved and can expand and contract. A movable structure (14) constitutes a part of an arm (5) of a toy doll and has a hollow outer shell (first-type hollow outer shell (21), second hollow shell (21) that has a joint support portion to which a roll pin joint (53L) fits). The group of outer shells 20 in which the seed hollow outer shell 22 and the third type hollow outer shell 23) are arranged in a row and the inner space of the hollow outer shell communicate with each other and are arranged in an inner space, and every other joint. The first group joint 51 and the second group joint 52 are supported by the joint support portion 25 in the arrangement order of the hollow shells, and the link group 50 that holds the array of the columnar shell groups 20 is provided. In the movable structure 14, the row-shaped outer shell group 20 can be expanded and contracted and curved by moving the link group 50. [Selection diagram] Fig. 13

Description

The present invention relates to a movable structure of a toy.

As an example of a toy having a movable part, a doll body that can make various poses like a human is known. For example, Patent Document 1 describes a toy that is enjoyed by moving a movable part.

JP, 2017-159139, A

Of the dolls with moving parts, the most popular are the transformation heroes and soldiers who appear in manga, anime, special effects movies, games, novels, etc. (collectively referred to as the "original" below). It is a doll body that reproduces characters such as a large humanoid robot.

When the user purchases the doll body of the character that appears in the original work, I definitely want to make it pose the same as the one I saw in the original work. However, in order to make the doll body of the character appearing in the original pose as the original, the movable range of the movable part was narrow, and the reproduction of the pose was often incomplete. From the user's point of view, since the flexibility of the movable part is insufficient, it may be impossible to approach the pose of the original work, and there may be a disappointing feeling.

In particular, when the original character is a design having a bendable and expandable/contractible movable part, a bendable/expandable movable part while maintaining a certain pose has not been realized at the level of a toy.

The problem to be solved by the present invention is to provide a technique for realizing a movable structure that can be curved and can be expanded and contracted.

An aspect of the present invention is a movable structure that serves as a predetermined part of a toy, wherein a group of row-shaped outer shells in which hollow outer shells having joint support portions are arranged in a row communicates with the inside of the hollow outer shell. A group of links arranged in an internal space formed by the above, and at least every other joint is supported by the joint support portion in the order of arrangement of the hollow outer shells to hold the array of the row-shaped outer shells, A movable structure capable of expanding and contracting and curving the row-shaped outer shell group by moving the link group.

Further, the hollow outer shell is a tubular body in which the size of the inner space on the other end side is larger than the outer dimension on the one end side, and the row-shaped outer shell group is a hollow outer shell of one adjacent side. One end side may be arranged so as to be loosely fitted to the other end side of the hollow outer shell on the other side.

In addition, the row-shaped outer shell group has a linear reduced shape in which the adjacent hollow outer shells are closely fitted to each other and a curved shape in which the adjacent hollow outer shells are arranged in an arc shape with a gap. The structure may be such that the entire shape can be changed.

Further, each joint of the link group is a rotational pair by pin coupling, and the movable of the link group is movable along a predetermined movable surface defined by the rotational pair of each joint, and The curve may be a curve along the movable surface.

Further, in one or both of the hollow outer shell and the link group, of the bending in both directions of the row-shaped outer shell group along the movable surface, the bending limit in one direction is set to the bending limit in the other direction. The structure may further include a restricting structure for restricting the comparison.

Further, the limiting structure may be a rotation limiting structure in the one direction provided in each joint of the link group.

Further, the extension of the link group is limited by the limitation of the rotation angle by the rotation limiting structure, and the row-shaped outer shell group can be extended within the extendable range of the link group.

Further, the restriction structure may include a structure in which the joint support portion is provided at a position displaced from the center line of arrangement of the hollow outer shells in the other direction.

Further, the limiting structure may be a structure in which a bending limit in the one direction is provided by the adjacent hollow outer shells interfering with each other when bending in the one direction.

Another aspect is a toy including the movable structure in a predetermined portion.

According to the present invention, it is possible to realize a movable structure that can be curved and can expand and contract.

Front external view of the doll body in an upright position. The front external view which shows the structural example of a left arm part. The figure which shows the inside which shows the structural example of a left arm part. An exploded view of a group of outer shells. The front view of a link group. The side view of a link group. The perspective external view of a type 1 link. The longitudinal cross-sectional view of a type 1 link. The perspective view of a type 2 link. FIG. FIG. 3 is a vertical cross-sectional view of a state in which a movable structure is extended. FIG. 6 is a vertical cross-sectional view showing a state of the link group in a state where the arms are extended to the limit. The figure which shows the inside of the row-shaped outer shell group in the state which curved the movable structure. The figure which shows the modification which added the restriction structure part to the row-shaped outer shell group.

FIG. 1 is a front external view of a doll body 2, which is an example of an embodiment to which the present invention is applied, in an upright posture. In addition, the direction notation by the arrow shown in each figure is up and down for the doll body 2 (Y axis direction; positive direction is up), front and rear (Z axis direction; positive direction is front), left and right (X axis direction; positive direction). Indicates the direction of left). The directions in the following description are based on this.

The doll body 2 is a toy having a movable part in which a character based on a manga, an animation, a special effects movie, a game, a novel, etc. is reproduced as a three-dimensional object. The doll body 2 of this embodiment is a toy having a design imitating a humanoid robot weapon and made by assembling parts for each part.

The parts of the doll body 2 include a head 3, a body 4, arms 5, and legs 6. And in this embodiment, the arm part 5 of the doll body 2 has a movable structure which can be bent and expanded/contracted.

In addition, the basic form of the doll body 2 is, with the body part 4 as a center, one head part 3 at the upper part, arm parts 5 at the left and right side parts, and two leg parts 6 at the lower part. It is a form that imitates a certain person. In addition to this form, the doll body 2 may have a back bag-like accessory (for example, a back vernier in the case of a robot weapon) attached to the back, wings may be provided on the back, or a tail may be attached. Absent. Both have the basic form of the doll body 2 of this embodiment, and can be called the doll body of this embodiment.

FIG. 2 is a front external view showing a configuration example of the left arm portion 5, and shows a linear “reduced shape” state in which the movable structure is most shortened. FIG. 3 is a diagram showing the inside.
The right arm portion 5 has the same configuration as the left arm portion 5 in the left-right symmetry, and thus a duplicate description will be omitted. In addition, the direction in which the minimum radius of curvature that can be bent as the arm 5 to the movable structure 14 is small (the direction in which the arm 5 is bent easily) is referred to as the “main bending direction”. In the case of FIGS. 2 and 3, the arm portion 5 is the left arm, and the right side (X-axis negative direction) of the doll body 2 is the main bending direction. Although the degree of bending does not reach the main bending direction, it can be bent in a direction opposite to the main bending direction, and thus the direction opposite to the main bending direction is referred to as a “sub-bending direction”. The main bending direction and the sub bending direction are directions along the XY plane in FIGS.

The arm portion 5 has a shoulder joint portion 10, a hand portion 12, a hand portion joint 13, and a movable structure 14. The movable structure 14 further includes a row-shaped outer shell group 20 and a link group 50.

FIG. 4 is an exploded view of the row-shaped outer shell group 20.
The row-shaped outer shell group 20 is a component group in which a plurality of hollow outer shells are arranged in a row. Specifically, the row-shaped outer shell group 20 includes a first-type hollow outer shell 21, a plurality of second-type hollow outer shells 22, and a third-type hollow outer shell 23, which are arranged in a row. Are arranged.

The first-kind hollow outer shell 21 is composed of two pieces that are symmetrical in the front-rear direction (a front piece 21f and a rear piece 21r), and by combining them in the front-rear direction, one tubular body is formed.
Focusing on the external appearance as one tubular body, the first type hollow outer shell 21 is such that one end side (upper side) above the vicinity of the vertical center is outside the other end side (lower side) below the vicinity of the vertical center. The diameter is small. Specifically, one end of the first type hollow outer shell 21 is gradually tapered upward, and the other end of the lower portion has a cylindrical shape. Focusing on the volume relationship, the other end side of the inner space of the first-type hollow outer shell 21 has a width capable of accommodating one end portion. In other words, the first type hollow outer shell 21 is set such that the inner space dimension on the other end side is larger than the outer dimension on the one end side.

Focusing on the inside, the first type hollow outer shell 21 swings up and down the shoulder joint connecting portion 24 for holding the connecting projection 11 of the shoulder joint portion 10 back and forth and the link group 50 on one end side which is the upper side. It has a joint support part 25 movably supported, and a swing restriction part 26 for restricting one side of the swing of the uppermost link of the link group 50.

The joint support portion 25 is a hole or a hole into which an end portion of a roll pin (joint member that connects the links) that connects the links in the link group 50 in a rotational pair is fitted. The position of the joint support portion 25 deviates from the array center line L1 of the row-shaped outer shell group 20 (the same as the front view center line of the first type hollow outer shell 21) in the main bending direction of the movable structure 14. Is set to the open position.

The second-kind hollow outer shell 22 is composed of two pieces that are symmetrical in the front-rear direction (a front piece 22f and a rear piece 22r), and become a single cylindrical body by combining them in the front-rear direction.
Focusing on the appearance as one tubular body, the second type hollow outer shell 22 also has one end side (upper side) above the vicinity of the vertical center than the other end side (lower side) below the vicinity of the vertical center. The outer diameter is small. More specifically, one end of the second type hollow outer shell 22 has a joint support portion 25, an opening portion 27 to the upper and right sides, and a cover portion 28 that is convexly curved to the left side. The other lower end side of the second type hollow outer shell 22 has a cylindrical shape. Focusing on the volume relationship, the other end side of the inner space of the second type hollow outer shell 22 has a width capable of accommodating one end portion. In other words, the second-type hollow outer shell 22 is also set such that the inner space on the other end side is larger than the outer dimension on the one end side.

Also in the second type hollow outer shell 22, the position of the joint support portion 25 is in the main bending direction from the array center line L1 of the columnar outer shell group 20 (same as the front view center line of the second type hollow outer shell 22). It is set at a position that is offset.

A third type hollow outer shell 23 is arranged following the three second type hollow outer shells 22.
The third-class hollow outer shell 23 is composed of two symmetrical pieces (a front piece 23f and a rear piece 23r) that are symmetrical in the front-rear direction.

The third class hollow outer shell 23 has a joint support portion 25 and a cover portion 28 on one end side (upper side) above the vicinity of the vertical center, and the hand joint 13 on the other end side below the vertical center. It has a joint bearing 29 that supports the shaft so as to be rotatable. Also in the third type hollow outer shell 23, the position of the joint support portion 25 is more movable than the array center line L1 of the row-shaped outer shell group 20 (the same as the front view center line of the third type hollow outer shell 23). It is set at a position displaced in the main bending direction of 14.

The third type hollow outer shell 23 has an outer diameter smaller on one end side (upper side) above the vicinity of the vertical center than on the other end side (lower side) of the second type hollow outer shell 22. More specifically, one end of the third-class hollow outer shell 23 has a cylindrical shape that gradually tapers upward, and the other end of the lower portion also tapers downward. Focusing on the volume relationship, one end side of the third type hollow outer shell 23 is set to a size that can be accommodated in the other end side of the second type hollow outer shell 22. In other words, the outer dimensions of the third type hollow outer shell 23 on the one end side are set so that the dimensions of the inner space on the other end side of the adjacent hollow outer shells are large.

In the row-shaped outer shell group 20, a plurality of hollow outer shells (first-type hollow outer shell 21, three second-type hollow outer shells 22, and third-type hollow outer shells 23) are adjacent to each other in order from the top. One end side of the hollow outer shell on one side is loosely fitted and arranged on the other end side of the hollow outer shell on the other side.

FIG. 5 is a front view of the link group 50. FIG. 6 is a side view of the same.
The link group 50 is a connected body of a plurality of links arranged in an internal space formed by communicating the inside of the hollow outer shell. Specifically, the link group 50 has seven first type links 51 and one second type link 52 in order from the top. These links are connected to each other in a pair of turns by a roll pin joint 53 (53L, 53S) by a pin connection, and are rotatable about the roll pin joint 53.

As the roll pin joint 53, a long type roll pin joint 53L and a short type roll pin joint 53S are used. A long type roll pin joint 53L is used in the main bending direction (X axis negative side in FIG. 5) of the movable structure 14, and a short type roll pin joint 53S is used in the sub bending direction (X axis positive side in FIG. 5). ing.

FIG. 7 is a perspective external view of the first type link 51. FIG. 8 is a vertical sectional view of the same.
The first type link 51 includes a single ring 511, a twin ring 512, and a connecting portion 513 that connects these rings so that the directions of the holes are parallel to each other.

The inner diameter of the hole of the single ring 511 is set so as to fit and fix the roll pin joint 53. The inner diameter of the hole of the twin ring 512 is set to be slightly larger than the inner diameter of the single ring 511 so that the roll pin joint 53 is loosely fitted.

The thickness D of the single ring 511 in the hole direction is set to be slightly smaller than the distance W between the facing surfaces of the twin ring 512, and when the single ring 511 is connected as another link, another link adjacent to the single ring 511 is connected. Is loosely fitted between the facing surfaces of the twin ring 512.

Further, the single ring 511 has a limiting protrusion 54 whose diameter is locally increased on the outer peripheral portion. Further, the connecting portion 513 has a step portion 55 on the lower surface facing between the facing surfaces of the twin ring 512.

FIG. 9 is a perspective view of the second type link 52.
The second type link 52 has a first single ring 521, a second single ring 522, and a connecting portion 523 that connects these rings so that the directions of the holes are parallel to each other.

The first single ring 521 is the same as the single ring 511 of the first type link 51. That is, the inner diameter of the hole of the first single ring 521 is set so as to fit and fix the roll pin joint 53. The thickness D of the first single ring 521 in the hole direction is the same as that of the single ring 511 of the first type link 51. In addition, the first single ring 521 has a locally-expanding limiting protrusion 54 on the outer peripheral portion.

The second single ring 522 omits one of the twin rings 512 of the first type link 51. Therefore, the inner diameter of the hole of the second single ring 522 is set to be slightly larger than the diameter of the first single ring 521 so that the roll pin joint 53 is loosely fitted.

FIG. 10 is a vertical cross-sectional view of the link group 50. In order to facilitate understanding, the hatching of the cross section is shown differently between the adjacent first type links 51.

In the seven first type links 51, the step portion 55 is oriented in the sub-bending direction (X-axis positive direction in FIG. 10) and the step portion 55 is main bending direction (X-axis negative direction in FIG. 9) in order from the top. The postures that turn to and are alternating. Then, the single ring 511 of the lower first-type link 51 is inserted between the twin rings 512 of the upper first-type link 51, and the roll pin joint 53 is connected to the holes of both rings.

In the second type link 52, the first single ring 521 is inserted into the twin ring 512 of the adjacent first type link 51, and the roll pin joint 53 is connected to the holes of both rings.

Now, returning to FIG. 3, focusing on the assembling relationship between the row-shaped outer shell group 20 and the link group 50, the link group 50 has a long type roll pin joint 53L (see FIG. 5) whose front and rear ends are hollow. The roll pin joint 53S is fitted and fixed to the joint support portion 25 (see FIG. 4) of the shell, and the roll pin joint 53S is not fixed to the joint support portion 25 or the like and can freely move in the hollow outer shell. Therefore, as if the link group 50 had an internal skeleton, every other roll pin joint 53 was supported by the joint support portion 25 in the order of the arrangement of the hollow outer shells, and the link group 50 had a row-shaped outer shell. Retains the array of group 20. In this embodiment, every other roll pin joint 53 is supported by the joint support portion 25, but the present invention is not limited to this, and the positional relationship between the roll pin joint 53 and the joint support portion 25 is not limited to this. Can be appropriately changed according to the shape of bending and stretching. For example, every two roll pin joints 53 may be supported by the joint support portion 25.

Next, the operation of the movable structure 14 will be described.
FIG. 11 is a vertical cross-sectional view of the movable structure 14 in a stretched state.
The movable structure 14 in the state shown in FIG. 3 is in a state in which the movable structure 14 is straight and has the shortest overall length. Focusing on the row-shaped outer shell group 20, it can be said that the row-shaped outer shell group 20 has a linear reduced shape in which adjacent hollow outer shells are fitted.

As described above, each joint of the link group 50 is a rotating pair due to pin coupling by the roll pin joint 53, and the movement of the link group 50 is a predetermined movable surface defined by the rotating pair of each joint (in FIG. 11, the roll pin joint 53). It is movable along the XY plane that intersects the axial direction of.

Therefore, when the user wants to extend the arm portion 5 of the doll body 2, the user pulls the hand portion 12 downward. Then, the link group 50 rotates and swings with the roll pin joint 53 with the XY plane as a movable surface. Focusing on the overall shape of the link group 50, the zigzag bending angle of the link becomes gentle, and the overall length is extended.

However, the extension of the link group 50 is limited to a certain length.
FIG. 12 is a vertical cross-sectional view showing a state of the link group 50 in a state where the arm portion 5 is extended to the limit. Focusing on the positional relationship between the adjacent links in the operation of extending the link group 50, the limiting protrusion 54 of the single ring 511 of the lower link approaches the step portion 55 of the twin ring 512 of the upper adjacent link. When the user continues to extend the arm portion 5, the limiting protrusion 54 eventually comes into contact with the step portion 55, and further rotation/swing is limited. That is, the limiting protrusion 54 and the step portion 55 function as a rotation limiting structure 59 (see FIG. 7).

Focusing on the row-shaped outer shell group 20, the link group 50 is connected to the hollow outer shell of the row-shaped outer shell group 20 by a long type roll pin joint 53L. The space between the adjacent outer shells increases in conjunction with the expansion of the. Therefore, the movable structure 14 and the arm 5 are extended in appearance. Of course, if the user moves the hand portion 12 straight upward and returns it to the original position, the link group 50, the row-shaped outer shell group 20, and the movable structure 14 return to the original state of FIG. 3, and the arm portion. 5 is returned to the original straight line and the shortest state.

FIG. 13 is a view showing the inside of the row-shaped outer shell group 20 in a state where the movable structure 14 is curved.
When the user wants to bend the arm portion 5 of the doll body 2 in the main bending direction (the negative X-axis direction in FIGS. 3 and 11) from the state of FIGS. 3 and 11, hold the hand portion 12 and stand upright. When the arm 5 is moved to the right with the posture as a reference, the arm 5 has a curved shape curved in the bending direction while slightly extending, as shown in FIG. Of course, in the case of the right arm portion 5, if the user holds the hand portion 12 and moves it in the same manner to the left with the upright posture as a reference, the right arm portion 5 extends slightly and the left side (mainly for the right arm portion 5). It will bend in the bending direction).

Specifically, when the user moves the hand portion 12 of the arm portion 5 in the main bending direction, the long type roll pin joint 53L becomes inside the curve, and the short type roll pin joint 53S (row-shaped outer shell group 20). Some kind of floating axis that floats against the outside of the curve. Therefore, the distance between the adjacent long type roll pin joints 53L is smaller than the distance between the adjacent short type roll pin joints 53S, and the zigzag state of the link group 50 in the front view is such that the main bending direction is closed and the sub bending direction is closed. Opens and bends as a whole.

Since the long type roll pin joint 53L is connected to each hollow outer shell of the row-shaped outer shell group 20, the arrangement of the row-shaped outer shell group 20 also follows the deformation of the link group 50. As a result, the positions of the adjacent hollow outer shells (first-type hollow outer shell 21, second-type hollow outer shell 22, third-type hollow outer shell 23) were close to each other at the ends on the main bending direction side. The state is maintained, and the end portions on the side of the sub bending direction are separated from each other so that there is a space. The movable structure 14 and the arm portion 5 change into a curved shape arranged in an arc shape along the movable surface of the link group 50, and the entire shape is changed.

When the ends of the adjacent hollow outer shells on the sub-bending direction side are separated, the cover portion 28 (see FIG. 4) of each hollow outer shell is pulled out from the internal space of the lower end portion of the adjacent hollow outer shells. Therefore, the inside of the row-shaped outer shell group 20 is prevented from being exposed and the appearance of the arm portion 5 when curved is maintained.

Even when the link group 50 bends in the main bending direction, when the link group 50 extends, the limiting projection 54 and the step portion 55 come into contact with each other soon and the link group 50 does not extend any more. As a result, bending of the movable structure 14 and the arm portion 5 in the main bending direction is also limited. So to speak, the arm will not bend more than a certain amount.

Then, what happens if the arm 5 is bent in the sub-bending direction?
When the user moves the hand 12 to the left from the state of FIGS. 3 and 11 while holding the hand 12 with the upright posture as a reference, in the link group 50 and the row-shaped outer shell group 20, the hand 12 is moved to the right. It moves in the opposite direction to the case. Therefore, the link group 50 is curved in the sub bending direction (leftward).

Similarly to the bending in the main bending direction, the bending in the auxiliary bending direction is also limited by the extension of the link group 50. However, the long-type roll pin joint 53L that connects the link group 50 and the row-shaped outer shell group 20 is displaced from the array center line L1 (see FIG. 4) of the row-shaped outer shell group 20. Therefore, assuming that the degree of curvature of the row-shaped outer shell group 20 is the same, the case of bending in the sub-bending direction (X-axis positive direction) is better than the case of bending in the main bending direction (X-axis negative direction). The total length of the link group 50 becomes long. As described above, since the total length of the link group 50 is limited, paradoxically, when the link group 50 is bent in the sub-bending direction, the limitation acts earlier and the bending is limited.

Therefore, the rotation limiting structure 59 (see FIGS. 7 and 8) of the link group 50 is curved in one direction (sub-bending direction) of the curve of the row-shaped outer shell group 20 along the movable surface of the link group 50. It acts to limit the limit compared to the bending limit in the other direction (main bending direction). It can be said that the extension of the link group 50 is limited by the limitation of the rotation angle by the rotation limiting structure 59, and the row-shaped outer shell group 20 can be extended within the extendable range of the link group 50.

As described above, according to the present embodiment, it is possible to realize a movable structure that can be curved and can be expanded and contracted.

[Modification]
The embodiments to which the present invention can be applied are not limited to the above-described examples, and appropriate addition, omission, and modification of constituent elements can be made.

(Modification 1)
For example, in the above embodiment, 1) the link group 50 has the rotation limiting structure 59 (see FIG. 7) as the first limiting structure, and 2) the columnar outer shell group 20 has the second limiting structure. The joint supporting portion 25 is provided at a position displaced from the array center line L1 of the hollow outer shell (see FIG. 4). The first and second limiting structures serve to limit the bending limit in one direction as compared with the bending limit in the other direction, and give the movable structure 14 an inflexibility. Since the movable structure 14 is used as the arm portion 5, it is preferable in that it can reproduce the characteristic that the inflexibility is easy to bend in a specific direction like a human arm, but conversely difficult to bend. Even when the movable structure 14 is used for the design of the neck or abdomen of the doll body 2, it can be said that it is preferable to have the bending property for the same reason.

However, depending on a predetermined part of the toy that uses the movable structure 14, the bending property may not necessarily be provided as in the above embodiment. For example, the case where the movable structure 14 is used for the legs of an octopus in a toy having an octopus motif corresponds to that. This may be applicable to a case where the movable structure 14 is applied to a tail that freely bends or a portion that serves as a tentacle in a toy that uses a real or virtual animal or plant as a design motif.

In that case, specifically, if the deviation from the array center line L1 of the hollow shells relative to the set position of the joint support portion 25 is made smaller than that in the above-described embodiment, the bending property can be made smaller than that in the above-described embodiment. Further, by omitting the rotation restricting structure 59 from the link group 50 or by making the step portion 55 deeper in the circumferential direction of the twin ring 512, it is possible to make the bendability smaller than in the above-described embodiment.

It is needless to say that the number of hollow shells arranged in the row-shaped shell group 20 and the number of links connected by the link group 50 can be appropriately set depending on a predetermined part of the toy to which the movable structure 14 is applied.

(Modification 2)
Further, as shown in FIG. 14, it is also possible to add a limiting structure portion to the row-shaped outer shell group 20. Specifically, the first protrusion 31 is provided on the outer side of the cover 28 of the hollow outer shell, and the second protrusion 32 that comes into contact with the first protrusion 31 is provided on the inner side surface on the other end side of the hollow outer shell. .. The relative positional relationship between the first projecting portion 31 and the second projecting portion 32 is such that, in the adjacent hollow outer shells, the movable structures 14 are separated from each other in the contracted shape, and when the movable structures 14 are extended, the extension limit is reached. Set so that the positional relationship is such that they will come into contact with.

In the example of FIG. 14, the first protruding portion 31 and the second protruding portion 32 are provided on the side of the sub bending direction, but they may be provided on the side of the main bending direction, or may be provided in both directions. In the structure provided in both directions, the relative positional relationship between the first protrusion portion 31 and the second protrusion portion 32 is changed depending on the direction, so that the bending limit of the row-shaped outer shell group 20 in one direction is changed to the other direction. It can also act to limit it as compared to the bending limit. If the second protrusion 32 that comes into contact with the first protrusion 31 is provided, the rotation limiting structure 59 can be omitted from the link group 50.

In order to facilitate understanding, the first protrusion 31 and the second protrusion 32 are drawn as if they were protruding, but the internal dimensions of the other end of the hollow shell and the cover 28 (see FIG. By setting the curvature, etc. (see 4), it is possible to make a limitation by contacting/interfering with the inside of the other end side of the cover portion 28 when the curved portion is reached.

2... Doll body (toys)
5... Arm part 14... Movable structure 20... Row-shaped outer shell group 21... 1st kind hollow outer shell 22... 2nd kind hollow outer shell 23... 3rd kind hollow outer shell 25... Joint support part 26... Oscillation regulation Part 28... Cover part 50... Link group 51... First kind link 52... Second kind link 53 (53L, 53S)... Roll pin joint 54... Limiting protrusion 55... Step part 59... Rotation limiting structure L1... Array center line

Claims (10)

A movable structure that is a predetermined part of a toy,
A group of row-shaped outer shells in which hollow outer shells having joint support portions are arranged in a row,
The hollow outer shells are arranged in an internal space that communicates with each other, and at least every other joint is supported by the joint support portion in the order of arrangement of the hollow outer shells to form an array of the row-shaped outer shells. Link group to hold,
And a movable structure capable of expanding and contracting the columnar outer shell group by moving the link group. The hollow outer shell is a tubular body having a larger inner space dimension on the other end side than the outer dimension on the one end side,
The row-shaped outer shell group is arranged such that one end side of the adjacent hollow outer shells is loosely fitted to the other end side of the other outer hollow shell.
The movable structure according to claim 1. The row-shaped outer shell group can be changed in its overall shape into a linear reduced shape in which the adjacent hollow outer shells are fitted to each other and a curved shape in which the adjacent hollow outer shells are arranged in an arc shape with a gap. The movable structure according to claim 2. Each joint of the link group is a rotating pair due to pin coupling,
The movement of the link group is movable along a predetermined movable surface defined by a pair of turns of each joint,
The curve of the row-shaped outer shell group is a curve along the movable surface,
The movable structure according to any one of claims 1 to 3. In one or both of the hollow outer shell and the link group, the bending limit in one direction of the bending in both directions of the row-shaped outer shell group along the movable surface is compared with the bending limit in the other direction. Restriction structure to restrict,
The movable structure according to claim 4, further comprising: The restriction structure is a rotation restriction structure in one direction provided in each joint of the link group,
The movable structure according to claim 5. The extension of the link group is limited by the limitation of the rotation angle by the rotation limiting structure, and the row-shaped outer shell group is extendable within the extendable range of the link group.
The movable structure according to claim 6. The limiting structure includes a structure in which the joint support portion is provided at a position displaced from the array center line of the hollow outer shell in the other direction.
The movable structure according to any one of claims 5 to 7. The limiting structure is a structure in which a bending limit in the one direction is provided by the adjacent hollow outer shells interfering with each other when bending in the one direction.
The movable structure according to any one of claims 5 to 8. A toy comprising the movable structure according to any one of claims 1 to 9 at a predetermined portion.