JP4874217B2 - Mannequin shoulder structure - Google Patents

Description

  The present invention relates to a shoulder structure for a mannequin.

Conventionally, as for the shoulder part of the mannequin, there exist some which insert the insertion protrusion part of an upper arm member in the insertion hole formed in the shoulder side of the trunk | drum like patent document 1. As shown in FIG.
In addition, in order to make the upper arm member swingable, as described in Patent Document 2, there is a mannequin having a complicated mechanism part such as an angle adjusting bracket or a connecting shaft attached to the shoulder portion.
JP 2003-24197 A Japanese Patent No. 36060229

However, in the mannequin shoulder structure in which the shoulder and upper arm are fixed, there is a problem that the mannequin pose is limited.
In addition, the mannequin shoulder structure that requires complicated mechanism parts has a problem in that it is difficult to assemble and adjust the movable part, and a special mechanism part is required, resulting in high manufacturing costs.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a mannequin shoulder structure that is easy to assemble and adjust and that can freely swing and hold the upper arm of the mannequin.

To achieve the above object, a mannequin shoulder structure according to the present invention is a mannequin shoulder structure in which an upper arm member is slidably coupled to a shoulder portion of a mannequin via a hemispherical male joint member, A first sliding member and a second sliding member that are slidable on the inner peripheral concave curved surface portion of the joint male member are attached to the upper arm member through a slit formed in the joint male member, and The first sliding member and the second sliding member are attached to the upper arm member so as to cooperate with the upper arm member so as to sandwich the male joint member from the inside and outside. The attachment force is adjustable , and the thickness of the joint male member in the vicinity of the slit is gradually increased so that the upper side thickness is larger than the lower side thickness .

Further, the mannequin has a shoulder structure in which the upper arm member is swingably connected to the shoulder portion of the mannequin via a hemispherical joint male member, and is slidable on the inner circumferential concave curved surface portion of the male joint member. One sliding member is attached by screwing a male screw member to a female screw member provided at a proximal end portion of the upper arm member through a slit formed in the joint male member, A nut member is screwed onto a screw portion on the proximal end side of the connecting member whose tip is attached to the inside of the upper arm member through the slit. By attaching, the first sliding member and the second sliding member are attached to the upper arm member so as to cooperate with the upper arm member and clamp the male joint member from inside and outside. , moreover, is adjustably configure the clamping force at the time of the pinched further said slit of said joint male member The wall thickness in the vicinity, is obtained by gradually increasing as the upper side thicker than the lower side wall thickness is increased.

The male male member is provided with a pair of projecting walls projecting inward along both sides of the slit, and the first sliding member and the second sliding member are guided by the projecting wall to slide. Ru der those attached to the upper arm member such that movement.

According to the shoulder structure of the mannequin of the present invention, the upper arm can be freely swung to change the posture of the arm to a desired one, and the mannequin can take various poses.
In addition, a mannequin whose upper arm can swing can be easily assembled. Moreover, it can manufacture easily, without using a complicated component. That is, the manufacturing cost can be reduced.

Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments.
FIG. 1 is a front sectional view showing an embodiment of a mannequin shoulder structure according to the present invention. 2 is a cross-sectional view of the main part AA in FIG. 1, FIG. 3 is a cross-sectional view of the main part BB in FIG. 1, and FIG. 4 is a cross-sectional view of the main part CC in FIG. FIG. 5 is a front sectional view of the male joint member.

  The shoulder structure of the mannequin of the present invention includes an upper arm member 2 in which a concave spherical surface portion 21 is formed at the base end portion 2a on a shoulder portion S of a trunk portion of a mannequin M via a hemispherical joint male member 1. It is a shoulder structure of a mannequin that is pivotably connected.

  The hemispherical joint male member 1 has an outer peripheral convex spherical surface portion 11 on the outer side and an inner peripheral concave curved surface portion 12 on the inner side, and communicates the outer side with the inner side (the outer peripheral convex spherical surface portion 11 and the inner peripheral concave curved surface portion. A slit 10 (through 12) is formed. The slit 10 is an outer circumferential convex spherical surface when the mannequin M in the standing state is in a state where the arm is lowered (the upper arm member 2 is in a suspended state) and the head side of the mannequin M is upward and the foot side is downward. It is formed in the vertical direction so as to pass through the top of the part 11.

  Further, a pair of projecting walls 14 and 14 projecting inward along both sides of the slit 10 of the male joint member 1 are provided. The pair of protruding walls 14 and 14 are provided in the front-rear direction of the slit 10 when the upper arm member 2 is in a suspended state, the front side of the mannequin M is the front side, and the rear side is the rear side.

As shown in FIG. 5, the joint male member 1 gradually increases the thickness near the slit 10 so that the upper wall thickness t ₁ is larger than the lower wall thickness t ₂ . That is, the male joint member 1 has an inner circumference of the inner circumferential concave curved surface portion 12 where the slit 10 is formed with respect to the outer circumferential center P ₁ of the outer circumferential section radius R ₁ of the outer circumferential convex spherical portion 11 where the slit 10 is formed. the inner circumferential center P ₂ of the cross-sectional radius R _2, that is slightly decentered vertically downward side, the thickness of the slit 10 near the Setsuo Seki member 1 gradually thicker as made from below upwards (large) so as It is formed in an uneven thickness.

The male joint member 1 has a hemispherical bowl-shaped hemispherical casing 15 having an outer peripheral convex spherical surface portion 11 on the outer side and an inner peripheral concave curved surface portion 12, and a circle that can be screwed onto the hemispherical casing 15 in a cover shape. Shaped lid plate member 16, mounting member 17 which is attached in surface contact so as to be slidable about the central axis Y of lid plate member 16, and one end is screwed to mounting member 17 and the other end Includes both screw rods 19 that are inserted through the cover plate member 16 and are elastically urged toward the elastic member 18 inside.
The joint male member 1 has a space formed therein by screwing the lid plate member 16 into the hemispherical casing 15 in a lid shape.
Further, the mounting member 17 includes an insertion protrusion 17a inserted into a mounting hole Sa (see FIG. 1) formed in the shoulder S of the mannequin M, and a disk portion coaxially in surface contact with the lid plate member 16. 17b.
Further, the elastic member 18 presses the cover plate member 16 to the mounting member 17 with an appropriate strength, and the surface of the disk member 17b of the mounting member 17 is capable of rotating and sliding the cover plate member 16 around the central axis Y. The rotating torque that rotates around the central axis Y is increased.

  1 and 2, the upper arm member 2 has a space 27 formed therein. Further, the base end portion 2 a has a concave spherical surface portion 21 formed so as to cover a part of the outer peripheral convex spherical surface portion 11 of the joint male member 1. A metallic female screw member 20 is embedded and fixed so as to penetrate from the concave spherical surface portion 21 of the base end portion 2a to the space portion 27. Further, a through hole 22 penetrating to the space 27 of the upper arm member 2 is formed in the concave spherical surface portion 21 of the base end portion 2a. Further, below the through hole 22 (that is, inside the upper arm member 2), a metal reed 6 is attached in the front-rear direction.

  Further, the shoulder structure of the mannequin of the present invention includes a first sliding member 4 and a second sliding member 5 which are slidable on the inner peripheral concave curved surface portion 12 of the joint male member 1 and attached to the upper arm member 2. The connecting member 3 for attaching the second sliding member 5 to the upper arm member 2 is provided.

FIG. 6 is an example of the implementation of the first sliding member, (a) is a plan view, and (b) is a front view.
The first sliding member 4 has a first sliding curved surface portion 4a that forms a curved surface having a radius equivalent to the inner circumferential sectional radius R ₂ (see FIG. 5) of the inner circumferential concave curved surface portion 12 of the joint male member 1. ing. Moreover, it has two mutually parallel 1st sliding side surface parts 4b and 4b which are slidably contacted to the inner wall surfaces 14b and 14b of a pair of protrusion wall 14 and 14 of the joint male member 1, respectively.

FIG. 7 is an example of the implementation of the second sliding member, (a) is a plan view, and (b) is a front view.
The second sliding member 5 forms a second sliding curved surface portion 5a having a curved surface with a radius equivalent to the inner peripheral sectional radius R ₂ (see FIG. 5) of the inner circumferential concave curved surface portion 12 of the joint male member 1. Yes. Moreover, it has two mutually parallel 2nd sliding side parts 5b and 5b which contact the inner wall surfaces 14b and 14b of a pair of protrusion wall 14 and 14 of a joint male member 1 so that sliding is possible.

  In FIG. 1, the connecting member 3 is formed by bending a metal casing, has a screw portion 3a on the base end side, and has a tip 3b formed in a J-shape. The J-shaped tip 3b is formed so as to be able to be locked to a horizontal arm 6 attached to the inside of the upper arm member 2. Further, the screw portion 3 a is formed in a size that can be inserted into the slit 10. The tip 3b is formed in a size that can be inserted into the through hole 22 and the slit 10 of the upper arm member 2.

  1 to 4, in the shoulder structure of the mannequin of the present invention, the first sliding member 4 is slidably fitted between the pair of projecting walls 14 and 14, and through the slit 10, The male screw member 40 having a metal cross-head with a cross hole is screwed to the female screw member 20 to be attached to the upper arm member 2. At this time, the first sliding curved surface portion 4a of the first sliding member 4 is brought into contact with the inner circumferential concave curved surface portion 12, and the two first sliding side surface portions 4b and 4b are connected to the inner walls of the protruding walls 14 and 14, respectively. It is made to contact wall surface 14b, 14b.

In addition, the J-shaped tip 3 b of the connecting member 3 is locked to a horizontal bar 6 provided in a space inside the upper arm member 2.
Then, the second sliding member 5 is slidably fitted between the pair of projecting walls 14, 14, and a metal nut member with a locking member is inserted into the screw portion 3 a of the connecting member 3 through the slit 10. The upper arm member 2 is attached by screwing 50. At this time, the second sliding curved surface portion 5a of the second sliding member 5 is brought into contact with the inner circumferential concave curved surface portion 12, and the second sliding side surface portions 5b and 5b are connected to the inner wall surfaces 14b of the protruding walls 14 and 14, respectively. , 14b.

  In other words, the upper arm member 2 is brought into a suspended state (mannequin M holds the arm) by causing the concave spherical surface portion 21 of the upper arm member 2 to contact the outer peripheral convex spherical surface portion 11 of the male joint member 1 and sliding along the slit 10. The joint male member 1 and the upper arm member 2 are connected so as to be swingable from a lowered position) to a horizontal state (a posture in which the mannequin M spreads his arms).

  Further, the first sliding member 4 and the second sliding member 5 are attached to the upper arm member 2 so as to work together with the upper arm member 2 and clamp the male joint member 1 from inside and outside. Then, by adjusting the tightening force of the male screw member 40 and the tightening force of the nut member 50, the sandwiching force when sandwiching is configured to be adjustable. In this way, the frictional force when sliding was adjustable.

  In addition, the joint male member 1 has the insertion projection 17a fitted into the attachment hole Sa of the shoulder S of the mannequin M to be fixed, so that the cover plate member 16 is screwed to the shoulder S of the mannequin M. A hemispherical casing 15 is attached so as to be slidable about the central axis Y. That is, the upper arm member 2 attached to the joint male member 1 is connected to the shoulder S of the mannequin M via the joint male member 1 so as to be able to swing (swing) around the central axis Y. .

  In the present invention, the design can be changed. For example, the front end 3b of the connecting member 3 is formed in a donut shape to form a through hole, and before the horizontal bar 6 is attached to the upper arm member 2, the through hole is previously formed. The connecting member 3 may be attached to the upper arm member 2 by inserting the horizontal rod 6 through the upper arm member 2.

The use method (action) of the above-described mannequin shoulder structure of the present invention will be described.
In the assembly process, the first sliding member 4 is attached to the upper arm member 2 through the slit 10, and the joint male member 1 is clamped between the first sliding member 4 and the upper arm member 2. At this time, the clamping force is easily adjusted by screwing the male screw member 40 back and forth.
Further, the J-shaped tip 3b of the connecting member 3 is made to enter from the through hole 22 of the upper arm member 2, and is easily engaged with the horizontal arm 6 provided in the inner space 27 of the upper arm member 2, so that the upper arm member can be easily engaged. The tip 3b is attached inside 2.
Further, the threaded portion 3a of the connecting member 3 is passed through the through hole 22 of the upper arm member 2, the slit 10 of the joint male member 1, and the second sliding member 5, and the nut member 50 is screwed. The second sliding member 5 is easily attached to the upper arm member 2. That is, the joint male member 1 is easily sandwiched between the second sliding member 5 and the upper arm member 2 by attaching the second sliding member 5 to the upper arm member 2 through the slit 10.
Further, the nut member 50 is screwed so that the connecting member 3 attracts the horizontal arm 6 of the upper arm member 2 and presses the concave spherical surface portion 21 of the upper arm member 2 against the outer peripheral convex spherical surface portion 11 of the male joint member 1. That is, the clamping force can be easily adjusted by the screwing back and forth of the nut member 50.

By adjusting the clamping force, the force (frictional force or the like) for pressing the first and second sliding members 4 and 5 against the concave spherical surface portion 21 is adjusted.
That is, an appropriate frictional force (clamping force) that can slide the upper arm member 2 to a predetermined posture (pose) and hold the upper arm member 2 in a predetermined posture is a screw of the male screw member 40 and the nut member 50. It is easily adjusted by moving forward and backward.

  Further, the upper arm member 2 connected to the shoulder S of the mannequin M via the joint male member 1 has one of the screw portion 3a of the connecting member 3 inserted through the slit 10 or the male screw member 40, and the other. This prevents the male screw member 40 and the nut member 50 from rotating around the axial center of the screw advance / retreat direction. That is, the upper arm member 2 slides on the outer circumferential convex spherical surface portion 11 of the joint male member 1 only in the direction in which the slit 10 is formed.

Further, when the upper arm member 2 connected to the shoulder S of the mannequin M via the male joint member 1 swings from the suspended state to the horizontal state, the first sliding curved surface portion of the first sliding member 4 4a slides on the inner circumferential concave curved surface portion 12. Further, the first sliding side surfaces 4b and 4b slide while being guided by the inner wall surfaces 14b and 14b of the pair of protruding walls 14 and 14, respectively.
In the second sliding member 5, the second sliding curved surface portion 5 a slides on the inner circumferential concave curved surface portion 12. Further, the second sliding side surface portions 5b and 5b slide while being guided by the inner wall surfaces 14b and 14b of the pair of protruding walls 14 and 14, respectively.

  Further, when the upper arm member 2 swings from the suspended state to the horizontal state, the contact portion between the male joint member 1 and the upper arm member 2 is spherical, but the joint male member 1 and the upper arm member 2 are connected at two locations (first Since the sliding member 4 and the second sliding member 5) are attached and the first and second sliding members 4 and 5 are guided by the projecting walls 14 and 14, directions other than the direction in which the slit 10 is formed. Regulates swinging to.

FIG. 8 is an operation explanatory diagram when the upper arm member 2 is in a suspended state. Further, FIG. 9 shows an operation explanatory diagram when the upper arm member 2 is in a horizontal state.
8 and 9, the upper arm member 2 swings in the vertical direction in which the slit 10 is formed along the outer peripheral convex spherical portion 11 of the joint male member 1. the outer peripheral center P ₁ of radius R ₁ swings the swing center.
In FIG. 8, the center of gravity G of the upper arm member 2 in the suspended state is separated from the outer periphery center (swing center) P _{1 in the} horizontal direction by the first center of gravity distance dimension L ₁ .
In FIG. 9, the center of gravity G of the upper arm member 2 in the horizontal state is separated from the outer periphery center (swing center) P _{1 in the} horizontal direction by the second center of gravity distance dimension L ₂ .
That is, when the upper arm member 2 changes from the suspended state to the horizontal state, as the first center-of-gravity distance dimension L ₁ approaches the second center-of-gravity distance dimension L ₂ , The rotational moment force gradually increases.

Here, since the thickness of the joint male member 1 in the vicinity of the slit 10 is gradually increased so that the upper wall thickness t ₁ becomes larger than the lower wall thickness t ₂ , the upper arm member 2 becomes horizontal. As a result, the first and second sliding members 4 and 5 and the upper arm member 2 receive a force in a direction in which the first and second sliding members 4 and 5 are separated from each other by the increased thickness. The reaction force of this force reduces the force (clamping force) that the first and second sliding members 4 and 5 and the upper arm member 2 clamp the male joint member 1 and the sliding of the first and second sliding members 4 and 5. It becomes the frictional force to prevent.
That is, the first and second sliding members 4 and 5 are closer to the upper side than the first and second lower clamping forces F ₁ and F ₂ when the first and second sliding members 4 and 5 are closer to the lower side. The first and second upper clamping forces F ₁ ′ and F ₂ ′ at that time are increased.

  That is, as the upper arm member 2 approaches the horizontal state, the rotational moment force increases, and the force (first and second sliding members 4, 5) that makes it difficult to hold the posture (pose) of the upper arm member 2 upward. Is generated by a gradual increase in the thickness, but a clamping force capable of canceling the force (holding the first and second sliding members 4 and 5) is generated. Therefore, the upper arm member 2 reliably stops at a desired rising angle (holds a predetermined pose). In other words, an appropriate clamping force for holding the upper arm member 2 at a desired position where the upper arm member 2 is desired is obtained by changing the thickness.

  Further, the insertion protrusion 17a of the attachment member 17 of the male joint member 1 is fitted into the attachment hole Sa formed in the shoulder S of the mannequin M, and the lid plate member 16 is attached to the disk portion 17b of the attachment member 17. Rotate and slide. Therefore, the hemispherical casing 15 screwed to the cover plate member 16 rotates around the central axis Y. That is, the upper arm member 2 attached to the male joint member 1 can rotate about the central axis Y.

  As described above, the present invention is a mannequin shoulder structure in which the upper arm member 2 is swingably connected to the shoulder S of the mannequin M via the hemispherical joint male member 1. The first sliding member 4 and the second sliding member 5 slidable on the inner circumferential concave curved surface portion 12 are attached to the upper arm member 2 through the slit 10 formed in the joint male member 1, and the first The first sliding member 4 and the second sliding member 5 work together with the upper arm member 2 to attach to the upper arm member 2 so as to sandwich the male joint member 1 from inside and outside, and the clamping force at the time of clamping Therefore, the upper arm member 2 can be moved and fixed (slid and held) to a desired position by adjusting the clamping force. That is, the mannequin M can take a free pose (posture). Further, the upper arm member 2 can be swung along the slit 10. It is possible to prevent the upper arm member 2 from rotating in a direction in which the arm is twisted. Further, adjustment and assembly can be easily performed, and productivity can be improved and production can be performed at low cost. A mannequin capable of swinging the upper arm member 2 without using a complicated member such as a gear can be produced at low cost.

  Further, the shoulder structure of the mannequin in which the upper arm member 2 is swingably connected to the shoulder portion S of the mannequin M via the hemispherical joint male member 1, and the inner peripheral concave curved surface portion 12 of the male joint member 1 is provided. The slidable first sliding member 4 is screwed into the female screw member 20 provided at the base end 2a of the upper arm member 2 through the slit 10 formed in the male joint member 1. A connecting member 3 having a tip 3b attached to the inside of the upper arm member 2 through a slit 10 is attached to the second sliding member 5 that can be attached and slid on the inner concave curved surface portion 12. The nut member 50 is screwed to the screw portion 3a on the base end side, and the first sliding member 4 and the second sliding member 5 work together with the upper arm member 2 to joint male members. 1 is attached to the upper arm member 2 so as to be clamped from inside and outside, and the clamping force when clamping is adjustable so that the mannequin M can It is possible to assume a such pause (attitude). Further, the upper arm member 2 can be swung along the slit 10. It is possible to prevent the upper arm member 2 from rotating in a direction in which the arm is twisted. Further, adjustment and assembly can be easily performed, and productivity can be improved and production can be performed at low cost. The mannequin M in which the upper arm member 2 can swing can be produced at low cost without using a complicated member such as a gear. Further, the clamping force can be easily adjusted by moving the male screw member 40 forward and backward. Further, the clamping force can be easily adjusted by moving the nut member 50 back and forth.

  Further, the joint male member 1 is provided with a pair of projecting walls 14 and 14 projecting inward along both sides of the slit 10, and the first sliding member 4 and the second sliding member 5 serve as the projecting walls 14 and 14. Since it is attached to the upper arm member 2 so as to be guided and slid, the upper arm member 2 can be reliably swung along the slit 10. Further, the rotation of the first sliding member 4 and the second sliding member 5 can be restricted, and the first sliding member 4 and the second sliding member 5 can be prevented from falling off.

Further, since the thickness of the joint male member 1 in the vicinity of the slit 10 is gradually increased so that the upper wall thickness t ₁ becomes larger than the lower wall thickness t ₂ , the first and second sliding members 4 and 5 are moved downward. The first and second upper clamping forces F ₁ ′ and F when the first and second sliding members 4 and 5 are closer to the upper side than the first and second lower clamping forces F ₁ and F ₂ when they are closer to each other. ₂ 'can be increased. That is, a clamping force capable of holding the first and second sliding members 4 and 5 can be obtained by gradually increasing the thickness. Therefore, the upper arm member 2 can be reliably stopped at a desired rising angle (rotation angle) (a predetermined pose can be maintained).

It is front sectional drawing which shows embodiment of the shoulder structure of the mannequin of this invention. It is AA principal part sectional drawing of FIG. FIG. 2 is a cross-sectional view of a main part BB in FIG. 1. It is CC main part sectional drawing of FIG. It is front sectional drawing which shows an example of implementation of a joint male member. It is a figure which shows an example of implementation of a 1st sliding member, (a) is a top view, (b) is a front view. It is a figure which shows an example of implementation of a 2nd sliding member, (a) is a top view, (b) is a front view. It is an operation explanatory view. It is an operation explanatory view.

DESCRIPTION OF SYMBOLS 1 Joint male member 2 Upper arm member 2a Base end part 3 Connection member 3a Screw part 3b Tip 4 First sliding member 5 Second sliding member
10 slits
12 Inner concave surface
14 Protruding wall
20 Female thread member
40 Male thread member
50 the nut member t ₁ upper side wall thickness t ₂ the lower side wall thickness M manikin S shoulder

Claims (3)

A mannequin shoulder structure in which the upper arm member (2) is swingably connected to the shoulder portion (S) of the mannequin (M) via a hemispherical joint male member (1),
A first sliding member (4) and a second sliding member (5) slidable on the inner circumferential concave curved surface portion (12) of the joint male member (1) are formed on the joint male member (1). Attached to the upper arm member (2) through the slit (10)
The upper arm member (4) and the second sliding member (5) work together with the upper arm member (2) so as to sandwich the male joint member (1) from inside and outside. Attach to 2)
In addition, the clamping force at the time of clamping is configured to be adjustable ,
Further, the thickness of the joint male member (1) in the vicinity of the slit (10) is gradually increased so that the upper wall thickness (t ₁ ) is larger than the lower wall thickness (t ₂ ). Mannequin shoulder structure. A mannequin shoulder structure in which the upper arm member (2) is swingably connected to the shoulder portion (S) of the mannequin (M) via a hemispherical joint male member (1),
The first sliding member (4) slidable on the inner peripheral concave curved surface portion (12) of the joint male member (1) is passed through the slit (10) formed in the joint male member (1). By attaching the male screw member (40) to the female screw member (20) provided at the base end (2a) of the upper arm member (2),
The tip (3b) of the second sliding member (5) slidable on the inner peripheral concave curved surface portion (12) is attached to the inside of the upper arm member (2) through the slit (10). By attaching the nut member (50) to the screw portion (3a) on the proximal end side of the connecting member (3) to be attached,
The upper arm member (4) and the second sliding member (5) work together with the upper arm member (2) so as to sandwich the male joint member (1) from inside and outside. Attach to 2)
In addition, the clamping force at the time of clamping is configured to be adjustable ,
Further, the thickness of the joint male member (1) in the vicinity of the slit (10) is gradually increased so that the upper wall thickness (t ₁ ) is larger than the lower wall thickness (t ₂ ). Mannequin shoulder structure.   The joint male member (1) is provided with a pair of projecting walls (14) (14) projecting inward along both sides of the slit (10), and the first sliding member (4) and the second The mannequin shoulder structure according to claim 1 or 2, wherein the sliding member (5) is attached to the upper arm member (2) so as to slide while being guided by the protruding walls (14) (14).

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