JP2019171218A - Shoulder joint structure of doll body - Google Patents

Abstract

To provide a shoulder joint structure of a doll body that allows the range of arm rotation to be expanded.SOLUTION: A shoulder joint structure of a doll body 1 comprises: a first joint member 6 housed inside a trunk 2 of the doll body 1 and connected to the trunk 2; a second joint member 7 housed inside the trunk 2 and connected to the first joint member 6; and a third joint member 8 connected to each of the second joint member 7 and an arm 3 of the doll body 1 through an opening 15 formed in a shoulder of the trunk 2. The first joint member 6 is capable of rotating about a first connecting portion, where the trunk and the first joint member are connected, so as to move the third joint member 8 away from a trunk axis A of the trunk 2 in a shoulder width direction. The second joint member 7 is capable of rotating about a second connecting portion, where the first joint member and the second joint member are connected, so as to move the third joint member 8 away from the trunk axis A in the shoulder width direction.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a shoulder joint structure of a doll body.

  The shoulder joint structure of a doll body described in Patent Document 1 is configured such that a joint member provided on an arm penetrates a ring-shaped covering material made of a soft material and is connected to a shoulder opening of a trunk. The covering material covers the gap between the shoulder and the arm, and even when the arm is moved, it is sandwiched between the shoulder and the mouth and deforms as appropriate, and covers the gap between the shoulder and the arm without restricting the movable range of the arm. .

Registered Utility Model No. 3185443

  In the shoulder joint structure of a doll body described in Patent Document 1, the position of the shoulder at the base of the arm is substantially fixed. For example, when the arm is moved forward of the chest of the torso, the arm cannot be moved so that the arm contacts the chest front edge of the shoulder and the arm overlaps the chest of the torso. If the shoulder of the trunk is squeezed to expand the range of movement of the arm, the covering material becomes large and unnaturalness will stand out.

  The present invention has been made in view of the above-described circumstances, and an object thereof is to provide a doll-body shoulder joint structure capable of expanding the movable range of the arm.

  The shoulder joint structure of a doll body according to the present invention is accommodated in the body of the doll body, and is connected to the first joint member, the first joint member connected to the torso, the interior of the torso, and the first joint member. A second joint member, and a third joint member respectively connected to the second joint member and the arm of the doll through an opening formed in a shoulder of the torso, wherein the first joint member includes the torso The third joint member is rotatable so as to separate the third joint member from the trunk axis of the trunk in the shoulder width direction, with the first connection portion where the first joint member is connected as a center. Is rotatable about the second connecting portion where the first joint member and the second joint member are connected so as to separate the third joint member from the trunk axis in the shoulder width direction. It is characterized by that.

  Further, in the shoulder joint structure of a doll body according to the present invention, the first joint member has the second joint member and the third joint member in front of the torso in the chest thickness direction, with the first connecting portion as a center. It may be pivotable so as to move it.

  Moreover, in the shoulder joint structure of the doll body which concerns on this invention, the said 1st connection part may be comprised by the ball joint.

  Further, in the shoulder joint structure of a doll body according to the present invention, the first connecting portion may be disposed on the lower side in the axial direction of the trunk axis with respect to the opening of the shoulder opening of the trunk.

  Moreover, in the shoulder joint structure of the doll body which concerns on this invention, a said 1st connection part may be arrange | positioned in the said chest thickness direction front side with respect to the said opening of the shoulder opening of the said torso.

  Moreover, in the shoulder joint structure of the doll body which concerns on this invention, a said 1st connection part may be arrange | positioned inside the breast part or the great pectoral muscle part of the said doll body.

  Moreover, in the shoulder joint structure of the doll body which concerns on this invention, it may be further inserted in the said opening of the shoulder opening of the said trunk | drum so that protrusion is possible, and the cyclic | annular covering member which covers the said 3rd joint member may be further provided.

  ADVANTAGE OF THE INVENTION According to this invention, the shoulder joint structure of the doll body which can extend the rotation range of an arm can be provided.

It is a perspective view of the upper body of a doll body for demonstrating embodiment of this invention. It is a disassembled perspective view of the upper body of the doll body of FIG. It is a perspective view of the shoulder joint structure of the doll body of FIG. It is a side view of the shoulder joint structure of the doll body of FIG. It is a front view which shows operation | movement of the shoulder joint structure of the doll body of FIG. It is a top view which shows operation | movement of the shoulder joint structure of the doll body of FIG.

  FIG.1 and FIG.2 shows the structure of the upper body of a doll body for demonstrating embodiment of this invention.

  A doll body 1 shown in FIG. 1 includes a body 2, a pair of left and right arms 3, a first joint member 6, a second joint member 7, a third joint member 8 that constitute a shoulder joint, and a covering member 9. . The first joint member 6, the second joint member 7, the third joint member 8, and the covering member 9 are provided for each pair of left and right arms 3.

  The body 2 includes a frame member 11 disposed on the trunk axis A of the body 2, a chest front side member 12, and a chest rear side member 13. The chest front member 12 and the chest rear member 13 are assembled with each other, and the frame member 11 is housed in the body 2 surrounded by the chest front member 12 and the chest rear member 13. The chest rear member 13 is fixed to the frame member 11 with screws or the like, and the chest front member 12 assembled to the chest rear member 13 is also fixed to the frame member 11.

  The arm 3 includes a shoulder member 14 that becomes the base of the upper arm. A member (not shown) that forms a portion ahead of the shoulder, such as the upper arm or the forearm, is assembled to the shoulder member 14.

  The first joint member 6 and the second joint member 7 are accommodated in the body 2. The first joint member 6 is connected to the frame member 11 inside the body 2, and the second joint member 7 is connected to the first joint member 6.

  The third joint member 8 is connected to the shoulder member 14 of the arm 3. An opening 15 is formed in the shoulder of the body 2, and the third joint member 8 is connected to the second joint member 7 through the opening 15.

  The covering member 9 is formed in an annular shape, and is inserted into the opening 15 of the shoulder opening of the body 2 so as to protrude and retract. A third joint member 8 connected to the second joint member 7 and the shoulder member 14 through the opening 15 is inserted into the covering member 9, and the covering member 9 is a connecting portion between the third joint member 8 and the shoulder member 14. Covering.

  3 and 4 show the shoulder joint structure of the doll body 1, and FIGS. 5 and 6 show the operation of the shoulder joint structure of the doll body 1.

  The connecting portion 20 between the frame member 11 and the first joint member 6 is located on the lower side in the axial direction of the trunk axis A with respect to the opening 15 (see FIG. 1) of the shoulder opening of the trunk 2 and in the chest thickness direction with respect to the opening 15. The connecting portion 22 between the second joint member 7 and the third joint member 8 is disposed at the shoulder opening of the body 2 facing the opening 15, and the first joint member 6 and the second joint member 22 are disposed on the front chest front side. The connecting portion 21 with the joint member 7 is disposed between the connecting portion 20 and the connecting portion 22.

  The connecting portion 20 between the frame member 11 and the first joint member 6 is a so-called ball joint including a socket 30 provided on the frame member 11 and a ball 31 provided on one end of the first joint member 6. The first joint member 6 is rotatable with respect to the frame member 11 like a rubbing motion. The ball may be provided on the frame member 11 side, and the socket may be provided on the first joint member 6 side.

  The connecting portion 21 between the first joint member 6 and the second joint member 7 is provided at the shaft portion 32 provided at the other end portion of the first joint member 6 and at one end portion of the second joint member 7. The second joint member 7 is rotatable with respect to the first joint member 6 about the shaft portion 32 as a rotation axis. In addition, the bearing part may be provided in the 1st joint member 6 side, and the axial part may be provided in the 2nd joint member 7 side.

  The connection part 22 between the second joint member 7 and the third joint member 8 is provided at the socket 34 provided at the other end of the second joint member 7 and at one end of the third joint member 8. The third joint member 8 is configured to rotate with respect to the second joint member 7 like a plowing motion. The ball may be provided on the second joint member 7 side, and the socket may be provided on the third joint member 8 side.

  The connecting portion 23 between the third joint member 8 and the shoulder member 14 of the arm 3 includes a bearing portion 36 provided at the other end portion of the third joint member 8 and a shaft portion 37 provided at the shoulder member 14. The shoulder member 14 is rotatable with respect to the third joint member 8 about the shaft portion 37 as a rotation axis. The shaft portion may be provided on the third joint member 8 side, and the bearing portion may be provided on the shoulder member 14 side.

  The arm 3 is swung back and forth and up and down with respect to the body 2 by the rotation of the shoulder member 14 relative to the third joint member 8 and the rotation of the third joint member 8 relative to the second joint member 7.

  As shown in FIG. 5 and FIG. 6, the first joint member 6 has the body 20 of the body 2 with the connection portion 21 with the second joint member 7 as a fulcrum, with the connection portion 20 with the frame member 11 configured as a ball joint. The frame member 11 can be rotated so as to be separated from the trunk axis A in the shoulder width direction. By the rotation of the first joint member 6, the third joint member 8 is moved away from the trunk axis A in the shoulder width direction.

  The second joint member 7 also has the connection portion 21 with the first joint member 6 as a fulcrum, and the connection portion 22 with the third joint member 8 is separated from the trunk axis A of the trunk 2 in the shoulder width direction. It can rotate with respect to one joint member 6. With the rotation of the second joint member 7, the third joint member 8 is further moved away from the trunk axis A in the shoulder width direction.

  When the third joint member 8 is moved away from the trunk axis A in the shoulder width direction, the connecting portion 23 between the third joint member 8 and the shoulder member 14 of the arm 3 becomes the opening 15 in the shoulder opening of the trunk 2. Get away from. As a result, the upper arm portion of the arm 3 extending beyond the shoulder member 14 is less likely to interfere with the body 2 or the edge of the opening 15, and the movable range of the arm 3 is expanded. For example, when the arm 3 is moved in front of the chest of the body 2, the arm 3 can be moved so that the arm 3 overlaps the chest of the body 2.

  Further, the first joint member 6 rotates with respect to the frame member 11 so as to move the third joint member 8 forward in the chest thickness direction with the connecting portion 20 with the frame member 11 configured as a ball joint as a fulcrum. Is possible. Due to the rotation of the first joint member 6, the connecting portion 23 between the third joint member 8 and the shoulder member 14 of the arm 3, that is, the portion serving as a fulcrum of the swing of the arm 3 is the chest portion of the opening 15 of the shoulder opening of the trunk 2. Close to the front edge. As a result, the upper arm portion of the arm 3 extending beyond the shoulder member 14 is less likely to interfere with the front edge of the chest 2 of the trunk 2 or the opening 15, and the movable range of the arm 3 is further expanded. That is, the movable range when the arm 3 is moved forward of the body 2 is expanded.

  By locating the connecting portion 20 serving as a fulcrum in the rotation of the first joint member 6 on the front side of the chest on the front side in the chest thickness direction with respect to the opening 15, compared to the case on the rear side of the chest in the chest thickness direction. The arm 3 can be moved to the front of the body 2 more greatly. In addition, since the connecting portion 20 serving as a fulcrum for the rotation of the first joint member 6 is further disposed on the chest portion on the lower side in the axial direction of the trunk axis A with respect to the opening 15 of the shoulder opening of the trunk 2, the third portion. The turning radius of the joint member 8 can be enlarged. The first joint member 6 is rotated in a limited space inside the body 2 and the rotation angle of the first joint member 6 is naturally limited, but the rotation radius of the third joint member 8 is increased. Thus, the displacement amount of the third joint member 8 can be increased with respect to the predetermined rotation angle of the first joint member 6.

  Further, when the connecting portion 20 serving as the pivot point of the first joint member 6 is provided on the upper side in the axial direction of the trunk axis A with respect to the opening 15 of the shoulder opening of the trunk 2, the trunk is secured to secure a space for the connecting portion 20. Since the upper part of 2 (position in the vicinity of the collarbone in the human body) becomes thicker in the chest thickness direction, the appearance is impaired. Therefore, by arranging the connecting portion 20 serving as the pivot point of the first joint member 6 on the chest of the body 2 without using an unnatural bulge in the appearance of the body 2, using the bulge of the breast breast, A space for accommodating the connecting portion 20 can be secured inside the breast breast.

  In response to the movement of the third joint member 8, the covering member 9 is dragged by the third joint member 8 and protrudes from the opening 15 at the shoulder opening of the body 2, or is immersed in the opening 15 by contacting the third joint member 8. The state in which the connecting portion 23 between the third joint member 8 and the shoulder member 14 is covered with the covering member 9 is maintained. Thereby, the naturalness of the appearance can be maintained while the movable range of the arm 3 of the doll body 1 is expanded.

  In addition, as described above, the first joint member 6 and the frame member 11, the second joint member 7 and the third joint member 8 are connected as ball joints, and the first joint member 6, the second joint member 7, and the third joint member 8. Although the embodiment of the present invention has been described with respect to the connection of the shoulder member 14 as the shaft and the bearing, the structure of the connection portion of the shoulder joint structure of the present invention is not limited to that described above.

Reference Signs List 1 doll body 2 body 3 arm 6 first joint member 7 second joint member 8 third joint member 9 covering member 11 frame member 12 chest front side member 13 chest rear side member 14 shoulder member 15 opening 20 connection portion 21 connection portion 22 connection Part 23 connecting part A trunk axis

The shoulder joint structure of a doll body according to the present invention is accommodated in the body of the doll body, and is connected to the first joint member, the first joint member connected to the torso, the interior of the torso, and the first joint member. A second joint member, and a third joint member respectively connected to the second joint member and the arm of the doll through an opening formed in a shoulder of the torso, wherein the first joint member includes the torso The third joint member is rotatable so as to separate the third joint member from the trunk axis of the trunk in the shoulder width direction, with the first connection portion where the first joint member is connected as a center. Is rotatable about the second connecting portion where the first joint member and the second joint member are connected so as to separate the third joint member from the trunk axis in the shoulder width direction. It is characterized by that. The shoulder joint structure of a doll body according to the present invention includes an arm connected to the trunk through an joint member through an opening formed in a shoulder opening of the doll body, and the joint member includes the trunk and the joint. It can rotate centering on the connection part with which the member was connected, The said connection part is arrange | positioned inside the breast part of the said doll body, It is characterized by the above-mentioned.

Further, in the shoulder joint structure of a doll body according to the present invention, the first joint member has the second joint member and the third joint member in front of the torso in the chest thickness direction, with the first connecting portion as a center. It may be pivotable so as to move it. Further, in the shoulder joint structure of a doll body according to the present invention, the joint member may be rotatable about the connecting portion so as to move the arm forward in the chest thickness direction of the torso. .

Moreover, in the shoulder joint structure of the doll body which concerns on this invention, the said 1st connection part may be comprised by the ball joint. Moreover, in the shoulder joint structure of the doll body which concerns on this invention, the said connection part may be comprised by the ball joint.

Further, in the shoulder joint structure of a doll body according to the present invention, the first connecting portion may be disposed on the lower side in the axial direction of the trunk axis with respect to the opening of the shoulder opening of the trunk. Moreover, in the shoulder joint structure of the doll body which concerns on this invention, the said connection part may be arrange | positioned in the axial direction lower side of the said trunk axis | shaft with respect to the said opening of the shoulder opening of the said torso.

Moreover, in the shoulder joint structure of the doll body which concerns on this invention, a said 1st connection part may be arrange | positioned in the said chest thickness direction front side with respect to the said opening of the shoulder opening of the said torso. Moreover, in the shoulder joint structure of the doll body which concerns on this invention, the said connection part may be arrange | positioned in the said chest thickness direction front side with respect to the said opening of the shoulder opening of the said torso.

Moreover, in the shoulder joint structure of the doll body which concerns on this invention, it may be further inserted in the said opening of the shoulder opening of the said trunk | drum so that protrusion is possible, and the cyclic | annular covering member which covers the said 3rd joint member may be further provided. The shoulder joint structure of a doll body according to the present invention may further include an annular covering member inserted so as to be able to project and retract into the opening of the shoulder opening of the trunk.

Claims (7)

A doll body shoulder joint structure,
A first joint member housed in the body of the doll body and connected to the body;
A second joint member housed in the body and coupled to the first joint member;
A third joint member respectively connected to the second joint member and the arm of the doll through an opening formed in a shoulder of the torso;
With
The first joint member pivots about the first connecting portion where the body and the first joint member are connected so as to separate the third joint member from the trunk axis of the body in the shoulder width direction. Is possible,
The second joint member is configured to separate the third joint member from the trunk axis in the shoulder width direction around a second connection portion where the first joint member and the second joint member are connected. Puppet shoulder joint structure that can be rotated. The shoulder joint structure of a doll body according to claim 1,
The first joint member is a shoulder joint of a doll body that is rotatable around the first connecting portion so as to move the second joint member and the third joint member forward in the chest thickness direction of the trunk. Construction. A shoulder joint structure for a doll body according to claim 2,
The first connecting part is a shoulder joint structure of a doll body constituted by a ball joint. The shoulder joint structure of a doll body according to any one of claims 1 to 3,
The first connecting part is a shoulder joint structure of a doll that is disposed on the lower side in the axial direction of the trunk axis with respect to the opening of the shoulder opening of the trunk. The shoulder joint structure of a doll body according to claim 4,
The first connecting part is a shoulder joint structure of a doll body arranged on the front side in the chest thickness direction with respect to the opening of the shoulder opening of the torso. A shoulder joint structure of a doll body according to any one of claims 1 to 5,
The first connecting part is a shoulder joint structure of a doll that is arranged inside a breast part or a pectoral muscle part of the doll. A shoulder joint structure of a doll body according to any one of claims 1 to 6,
A doll body shoulder joint structure further comprising an annular covering member that is inserted into the opening of the shoulder opening of the trunk so as to be able to project and retract and covers the third joint member.

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