Doll body and joint structure

Abstract

To provide a mechanism for achieving more various poses in a doll body.SOLUTION: The present invention provides, for example, a doll body including a first coupling member (302) having a spherical coupling portion (201) at one end and a grip portion (322) at the other end, a first part (301) forming a concave portion (311) into which the spherical coupling portion is rotatably fitted, and a second part (304) rotatably connected to the grip portion of the first coupling member.SELECTED DRAWING: Figure 4

Description

[Technical Field]

[0001] The present invention relates to a doll body and a joint structure. [Background technology]

[0002] To realize movements and poses similar to those of humans or animals, doll toys (doll bodies) include various joints and movable parts. However, providing a doll body with the same number of joints as a human or animal requires a large number of parts, and even in sophisticated doll toys, the number is limited, making it difficult to achieve. Therefore, in order to realize the movements and poses described above, it is important to realize natural movements while configuring the doll with fewer joints and parts and expanding the range of motion of the joints and the parts connected to them. Patent Document 1 proposes a doll body in which connecting members connected to the hip joints rotate between an open position and a closed position, and the legs are connected to the ends of the connecting members. This doll body can realize leg-opening and leg-closing movements. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2009-34232 Summary of the Invention [Problem to be solved by the invention]

[0004] Although the connecting member can rotate between an open position and a closed position, the movement is unidirectional. To achieve natural movements like those of human limbs, it is desirable for the connecting member to be able to rotate in various directions. On the other hand, while the hip joints can be located inside the waist, as in humans, to achieve natural leg movement connected to the hip joints, the movement space is limited. In other words, the legs must be able to rotate more freely within the space limited by their relationship with other components such as the waist and skirt. For example, even if spherical connecting members are used for the hip joints and the legs are connected to them in a rotatable manner, the range of motion of the connecting member itself is limited by the waist and other components of the doll body, making it difficult to achieve realistic human-like movements, such as lifting the legs nearly 180 degrees.

[0005] The present invention provides a mechanism for realizing a greater variety of poses for, for example, a doll body. [Means for solving the problem]

[0006] The present invention is characterized in that it is a doll body, for example, comprising a first connecting member having a spherical connecting portion at one end, a first part forming a recess into which the spherical connecting portion is rotatably fitted, and a second part rotatably connected to the other end of the first connecting member.

[0007] The present invention is also characterized in that it is, for example, a doll body comprising a first connecting member having a spherical connecting portion at one end and a gripping portion at the other end, a first part forming a recess into which the spherical connecting portion is rotatably fitted, and a second part rotatably connected to the gripping portion of the first connecting member. [Effects of the Invention]

[0008] According to the present invention, a greater variety of poses can be realized for the doll body. [Brief explanation of the drawings]

[0009] [Figure 1] FIG. 2 is a diagram showing an example of the front appearance of a doll body according to an embodiment. [Figure 2] 1A and 1B are a front view and a side view, respectively, of the lower half of a doll body according to one embodiment. [Figure 3] FIG. 2 is an exploded view of the lower body of a doll body according to one embodiment. [Figure 4] FIG. 2 is a side cross-sectional view of a leg of a doll body according to one embodiment. [Figure 5] FIG. 10 is a side cross-sectional view showing the movement of a hip joint of a doll body according to one embodiment. [Figure 6] FIG. 10 is a side cross-sectional view showing the movement of the knee joint of a doll body according to one embodiment. [Figure 7] 10A to 10C are diagrams showing examples of posing movements of a doll body according to an embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0010] Hereinafter, the embodiments will be described in detail with reference to the accompanying drawings. Note that the following embodiments do not limit the scope of the invention as claimed, and not all combinations of features described in the embodiments are necessarily essential to the invention. Two or more of the features described in the embodiments may be arbitrarily combined. Furthermore, the same reference numerals are used for the same or similar components, and redundant explanations will be omitted.

[0011] <Doll body appearance> First, an example of the external configuration of a doll body 100 according to this embodiment will be described with reference to Fig. 1. Fig. 1 shows the external front view of the doll body 100. Note that the up / down, left / right, and front / back arrows indicate the orientation of the doll body in the figure, and this also applies to other figures.

[0012] The doll body (also referred to as a doll-type toy or model) 100 includes a head 101, a chest 102, arms 103a and 103b, an abdomen 104, a waist (waist part) 105, and legs (leg parts) 107a and 107b. The doll body 100 is a movable doll body such as a movable figure, and each part can be moved within a limited range created in relation to other members. The head 101 is connected to the chest 102. Arms 103, including a right arm 103a and a left arm 103b, are further connected to the chest 102 by spherical connecting parts (hereinafter also referred to as ball joints), and the abdomen 104 is connected at the bottom. A waist (first part) 105 is connected to the abdomen 104. Legs 107, including a right leg 107a and a left leg 107b, are connected to the waist 105 by spherical connecting parts. Reference numeral 106 denotes the lower body (lower part) including the waist 105 and legs 107 of the doll body 100. The hip joints, which are the joints between the waist 105 and the legs 107 in the lower body 106, and the knee joints of the legs 107 will be described in detail below.

[0013] <Lower body structure> Next, the configuration of the waist 105 and legs 107 in the lower body 106 of the doll body 100 according to this embodiment will be described with reference to Figure 2. Figure 2(a) is a front view showing a portion of the lower body 106. Figure 2(b) is a side view showing a portion of the lower body 106. The legs 107a and 107b have similar configurations and similar connection configurations to the waist 105, so in the following description, the letters a and b indicating left and right will be omitted.

[0014] The leg 107 is composed of an upper leg (second part) 202 and a lower leg (third part) 203, and is connected to the waist 105 by a spherical connecting part 201 (ball joint). That is, the hip joint according to this embodiment movably connects the leg 107 to the waist 105 by a ball joint. This allows the leg 107 to rotate in all directions relative to the waist 105 within the range of interference from other members, enabling a variety of movements to be realized. Note that the connecting parts 201a and 201b are connected to the respective recesses of the waist 105 with almost no gaps, as shown in FIG. 2. By eliminating gaps in the joints in this way, it is possible to reduce the sense of incongruity that would otherwise be caused by gaps, and to reproduce realistic human joints.

[0015] The upper thigh 202 and lower thigh 203 of the leg 107 are connected by a knee joint. A ring-shaped rotating part 204 is provided at the knee joint, and the lower thigh 203 can rotate around an axis (rod) passed through a hole in the ring-shaped rotating part 204. As shown in FIG. 2(a), the rotating parts 204a and 204b of the left and right legs 107a and 107b are assembled so that the center lines (dotted lines) of the rotating parts have a predetermined inclination 205 from the center line (chain line) connecting the upper thigh 202 and lower thigh 203. In other words, the rotating part 204 is not provided along or parallel to the center line of the leg 107, but is formed in a state where it is shifted (twisted) from the center line. This allows the doll body 100 to move from a seiza position to a wariza position (also known as a girl's sitting position, a flat sitting position, or a duck sitting position), in which both legs 107a, 107b are spread outward and the buttocks are placed on the ground. Details will be described later using Figure 7.

[0016] <Lower body assembly configuration> Next, the detailed configuration of the lower body of the doll body 100 according to this embodiment will be described with reference to Figures 3 and 4. Figure 3 shows an exploded view of a portion of the lower body according to this embodiment. Figure 4 shows a cross-sectional view of the lower body of the doll body 100 according to this embodiment. Here, the structure including the waist 105 and left leg 107b as part of the lower body of the doll body 100 will be described. Note that the right leg 107a has the same configuration as the left leg 107b, so its description will be omitted.

[0017] The waist portion 105 is configured to include parts 301 and 312. Part 301 is formed with recesses 311 for receiving connecting members (first connecting members) 302 that are connected to the respective legs 107. Connecting member 302 is formed to include a connecting portion 201 and a grip portion 322. Connecting portion 201 is formed in a spherical shape and is rotatably fitted into recess 311 formed in part 301. This allows connecting member 302 to rotate in all directions relative to waist portion 105 within the range of interference from other members. Therefore, upper thigh portion 202, which is connected to grip portion 322 of connecting member 302, also moves in accordance with the rotation of connecting member 302 in all directions.

[0018] Upper leg 202 is comprised of parts 303 and 304. Part 303 is comprised of a rod member 331 that fits into gripping portion 322 of connecting member 302. Rod member 331 functions as a rotation axis when fitted into gripping portion 322. Part 303 is connected to part 304, which is connected to connecting member 305. Therefore, upper leg 202 is connected to connecting member 302 so as to be rotatable around rod member 331 as the rotation axis. The rotation direction is substantially the same as the up-and-down direction of doll body 100. Note that gripping portion 322 is not limited to any particular structure as long as it is capable of rotatably holding rod member 331, and may be, for example, a ring-shaped holding portion.

[0019] Connecting member (second connecting member) 305 is a part that connects upper leg portion 202 and lower leg portion 203 to realize a knee joint, and is configured to include ring-shaped rotating portion 204. As described above, rotating portion 204 is formed in a ring shape, and the shaft member that passes through its hole functions as the rotation axis, and connecting member 305 itself rotates so as to bend around rotating portion 204. Therefore, part 304 of upper leg portion 202 and part 306 of lower leg portion 203, which are connected to connecting member 305, move so as to bend, thereby realizing movement of the knee joint.

[0020] <Hip joint movement> The movement of the hip joint of the doll body 100 according to this embodiment will be described below with reference to Fig. 5. Fig. 5(a) and Fig. 5(b) show side cross-sectional views of the waist 105 and upper thigh 202 of the doll body 100.

[0021] As shown in FIG. 5(a), connecting member 302 connected to part 301 of waist 105 can rotate in the direction of arrow 501 by spherical connecting portion 201. As connecting member 302 rotates, part 304, which is the upper thigh connected to connecting member 302, also rotates as shown by the dotted arrow. Note that because connecting portion 201 is spherical, connecting member 302 and the parts connected to connecting member 302 can rotate in all directions within the range of restrictions imposed by other members, not just in the direction of arrow 501. This makes it possible to realize various movements, such as squeezing upper thigh 202 inward (knee-thigh movement) or opening it outward (knee-thigh movement).

[0022] FIG. 5(b) shows part 304 further rotated from the state shown in FIG. 5(a). Part 304 is connected to part 303 as described above, and rod member 331 of part 303 is rotatably fitted into grip portion 322 of connecting member 302. Therefore, parts 303 and 304 can rotate in the direction of arrow 502, with rod member 331 as the axis of rotation. This rotational movement allows part 304 to further rotate from the state shown in FIG. 5(a), as indicated by the dotted arrow. Therefore, by performing a two-stage movement—the rotational movement of spherical connecting member 201 and the rotational movement of rod member 331—the upper thigh 202 of doll body 100 can be rotated (approximately 180 degrees) to a position approaching the upper body parts of doll body 100, such as waist 105 and abdomen 104, as shown in FIG. 5(b)—providing a wider range of motion. Furthermore, this wide range of motion allows for a variety of poses.

[0023] To ensure the above-described range of motion, it is desirable that the distance between the connecting portion 201 formed at one end of the connecting member 302 and the grip portion 322 formed at the other end be a predetermined length that ensures the range of motion. In other words, by providing the predetermined length, the extent to which the part 304 is subject to interference from other components, such as the part 301, in response to the rotation of the upper thigh 202 can be reduced, thereby further expanding the range of motion. Furthermore, as shown in FIG. 5(b), the grip portion 322 of the part 302 has a curved outer shape, and even when the upper thigh 202 is rotated, the curved surface is exposed to the outside, preventing any gap from forming between the part 304 and the grip portion 322. This achieves a configuration that does not create any gaps on the back side of the upper thigh 202, creating a natural appearance, even when the upper thigh 202 is rotated as shown in FIG. 5(b).

[0024] <Knee joint movement> Next, the movement of the knee joint of the doll body 100 according to this embodiment will be described with reference to Fig. 6. Fig. 6(a) and Fig. 6(b) show side cross-sectional views of the leg portion including the upper leg portion 202 and the lower leg portion 203 of the doll body 100.

[0025] FIG. 6(a) shows the leg 107 in an extended state. FIG. 6(b) shows the state in which the lower leg 203 has been rotated from the state shown in FIG. 6(a) around the rotating part 204 of the connecting member 305 that connects the upper leg 202 and the lower leg 203. As shown in FIG. 6(b), the leg 107 can be bent approximately 180 degrees by rotating the rotating part 204. To achieve this bending motion of the leg 107, it is necessary to minimize interference between the parts 304 and 306. Therefore, according to this embodiment, as shown in the dotted-line frame 601 in FIG. 6(a), the portion of the part 306 that comes into contact with the part 304 when the rotating part 204 rotates is cut to match the shape of the part 304. By forming them in this manner, parts 304 and 306 come into close contact with each other at the position shown in the dotted frame 602 in Figure 6(b), and it is possible to avoid a narrowing of the range of motion due to a part of part 306 colliding with part 304 when rotating.

[0026] <Posing> Next, an example of a pose that can be achieved with the doll body 100 according to this embodiment will be described with reference to Fig. 7. Fig. 7(a) shows a side cross-sectional view of the waist 105 and legs 107, and Fig. 7(b) shows a front view of the waist 105 and legs 107.

[0027] 7(a) shows a state in which the legs 107 are bent around the rotating parts 204 and the upper thighs 202 are rotated so as to approach the waist 105 and abdomen 104 of the doll body 100. By performing such a movement with both legs, it is possible to realize movements such as sitting with arms crossed (sitting on the floor).

[0028] FIG. 7(b) shows a state in which the leg 107 is bent around the rotating part 204, with the lower leg 203 opening outward. This is because, as explained with reference to FIG. 2, the rotating part 204 that realizes the bending motion of the leg 107 according to this embodiment is formed in a state in which it is shifted (twisted) at a predetermined inclination 205 from the center line of the parts 304, 306. As a result, when the legs 107a, 107b are bent, the lower leg parts 203a, 203b are each opened outward. Therefore, as shown in FIG. 7(b), the doll body 100 can realize the motion of sitting in a split-leg position (also called a girl's sitting position, a flat-leg sitting position, or a duck sitting position), in which the lower leg parts 203a, 203b are opened outward and the doll sits with the buttocks on the ground.

[0029] As explained above, the doll body according to this embodiment comprises a first connecting member (302) having a spherical connecting portion (201) at one end and a grip portion (322) at the other end, a first part (105, 301) forming a recess (311) into which the spherical connecting portion is rotatably fitted, and a second part (202, 304) rotatably connected to the grip portion of the first connecting member. This allows the doll body to be posed in a wider variety of ways.

[0030] Furthermore, the shape of the doll body (doll-type toy, model) is not particularly limited, and includes various shapes such as people, animals, robots, insects, dinosaurs, and imaginary life forms. [Explanation of symbols]

[0031] 100: Doll body, 101: Head, 102: Chest, 103a, 103b: Arms, 104: Abdomen, 105: Waist, 106: Lower body, 107a, 107b: Legs

Claims

1. A doll body, a first connecting member having a spherical connecting portion at one end and a grip portion at the other end; a first part that forms a recess into which the spherical connecting portion is rotatably fitted; a second part rotatably connected to the grip portion of the first connecting member; A doll body comprising:

2. a rod member rotatably fitted to the grip portion is formed on the second part; 2. The doll body according to claim 1, wherein the second part is rotatable relative to the first connecting member with the rod member as a rotation axis.

3. a second connecting member having one end connected to the second part and a ring-shaped rotating portion; a third part connected to the other end of the second connecting member; Furthermore, the second connecting member rotates from the other end of the second connecting member so as to bend around the rotating portion, 3. The doll body according to claim 2, wherein the third part rotates to a position where it abuts against the second part in accordance with the rotation of the other end of the second connecting member.

4. 4. The doll body according to claim 3, wherein the portion of the third part that abuts against the second part after rotating in accordance with the rotation of the other end of the second connecting member is cut to match the shape of the second part.

5. the first part forms the waist of the doll body; the second part forms the upper thigh of the leg of the doll body, 5. The doll body according to claim 3, wherein the third part forms the lower leg of the doll body.

6. 6. The doll body according to claim 5, wherein the second part is movable to a position approaching an upper body part of the doll body connected to the first part by rotating the first connecting member around the connecting part and the gripping part.

7. the rotating portion of the second connecting member is formed so that its rotation direction is offset from the center lines of the second part and the third part, 7. The doll body according to claim 5, wherein the split seat is operable in the doll body.

8. 8. The doll body according to claim 1, wherein the connecting portion of the first connecting member is rotatably fitted into the recess of the first part without any gap.

9. A joint structure of a doll body, Waist parts and leg parts, a connecting member having one end rotatably connected to the waist part and the other end rotatably connected to the leg part; Equipped with a joint structure characterized in that the space between one end and the other end of the connecting member is formed with a predetermined length that ensures a range of motion that allows the connecting member to rotate around one end relative to the waist part, and when the leg part rotates around the other end, the leg part can rotate to a position that approaches the upper body part of the doll body.

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