JP3200114U - Seating posture support - Google Patents

Abstract

The present invention provides a seating posture support that allows a natural and correct sitting posture. A sitting posture supporter is a pillow-like cushion having a substantially wedge-shaped edge in a vertical section in a state of being wedge-shaped in a gap between a seat surface of a chair and a buttock. Further, the cushion is characterized in that the vertical cross section in the laid state is a substantially right-angled triangle having a long side as a surface in contact with the seating surface. Further, the cushion is characterized by comprising at least a substantially right triangle outer layer cushion material 11 and a substantially trapezoidal inner cushion material 12 enclosed so as to correspond to the shape of the outer layer cushion material 11. [Selection] Figure 4

Description

  The present invention is a posture support device using a cushion material that makes a sitting posture on a chair correct, and can be used as a cushion for waist and neck.

  Conventional cushions for posture support are composed of various shapes and cushion materials that meet the purpose in order to reduce the burden on the body by dispersing the body pressure of the user and assisting the posture. The cushion was based on the design concept of physically affecting body pressure and posture by directly assisting the body.

  For this reason, when various shapes and cushion materials suitable for the purpose do not match the physique of the user, the intended effect cannot be obtained and the user may be uncomfortable.

  Unlike the conventional design concept, the present invention is a seating posture support device obtained based on a new design concept in which a user gives a sensory stimulus to correct his / her posture based on his / her own sense of use (awareness). It is intended to provide.

  The invention of the sitting posture supporter according to claim 1 is a pillow-like cushion having a substantially wedge-shaped edge in a vertical section in a state of being laid in a wedge shape in a gap between a seat surface of a chair and a heel part.

  The invention of claim 2 is characterized in that, in the sitting posture supporter of claim 1, the vertical cross section of the cushion in a laid state is a substantially right triangle having a long side as a surface in contact with the seat surface.

  The invention according to claim 3 is the seating posture supporter according to claim 2, wherein the cushion is at least a substantially right triangle outer layer cushion material and a substantially trapezoidal inner cushion enclosed so as to correspond to the shape of the outer layer cushion material. It is characterized by being composed of materials.

  The invention of claim 4 is the seating posture supporter of claim 3, wherein the outer cushion material is a low-resilience urethane material and the inner cushion material is a high-resilience urethane material.

The invention of claim 5 is the seating posture support device according to any one of claims 1 to 4,
The wedge tip angle of the cushion is approximately 30 degrees.

The invention of claim 6 is the seating posture support device according to any one of claims 1 to 5,
The wedge tip angle of the internal cushion is approximately 30 degrees.

The invention of claim 7 is the seating posture support device according to any one of claims 1 to 6, characterized in that the cushion is wrapped with a cover that can be expanded and contracted according to the deformation of the cushion.

The invention according to claim 8 is the seating posture support device according to claim 7, wherein the cover extends from the main body portion wrapping the cushion, and the cushion is wedge-shaped in the gap between the seat surface of the chair and the heel portion. It is comprised with the auxiliary | assistant part expand | deployed planarly on the said seat surface so that it may be spread | arranged directly under a buttocks in the laid state.

The invention of claim 9 is characterized in that, in the seating posture supporter of claim 8, the main body portion is a bag for wrapping the cushion in and out.

The invention according to claim 10 is the seating posture support device according to claim 8 or claim 9, wherein the body portion of the cover of the seating posture support device according to any one of claims 2 to 6 is substantially perpendicular to the vertical section. Cover the triangular pillow-shaped cushion from the long-side surface to the short-side surface and the hypotenuse-side surface, and both ends of the pillow-shaped cushion. It is characterized by comprising a bag shape in which the cushion is opened so that it can be taken in and out.

The invention of claim 11 is the seating posture support device according to any one of claims 8 to 10, wherein the auxiliary portion of the cover of the seating posture support device according to claim 10 is a surface on the slope side of the main body portion. In the form of a bag that extends from the edge of the opening to cover the opening and covers the long side surface, the short side surface, the slope side surface, and the both ends of the pillow shape in a double-wrapping manner. It is structured.

The invention of claim 12 is the seating posture support device according to any one of claims 1 to 11, wherein the shape of the edge is the peripheral edge of the contact surface between the buttocks and the seat surface in a state of being seated on the seat surface. A curved shape corresponding to at least a part of the curved line.

  According to the first to fifteenth aspects of the present invention, the cushion of the present invention is laid in a wedge shape in the gap between the seat surface of the chair and the buttocks, so that the posture can be changed based on the user's own sense of use. Sensory stimulation is given to correct, prevent pelvic tilting while sitting, support and hold a natural sitting posture with the back muscles stretched, and naturally reduce the burden on the body it can.

  In addition, the present invention supports and holds the sitting posture in an ideal natural posture based on the user's own sense of use, so it can be used regardless of the user's physique. The burden can be reduced naturally.

  According to the invention of claim 3 or claim 4, since the cushion has a two-layer structure, the internal cushioning material having a relatively high hardness and repulsive force can prevent the pelvis from tilting backward and enhance the durability. The outer layer cushion material having a relatively low hardness and repulsive force can alleviate the resistance received by the body due to the internal cushion material having a high hardness and repulsive force, and can improve the feeling of use.

  According to the eighth aspect of the present invention, since the cushion auxiliary portion that extends in a planar shape on the seat surface is laid directly under the heel portion, the cushion main body portion interposed in a wedge shape in the gap between the seat surface and the heel portion is the pressure of the heel portion. Therefore, it is possible to prevent the cushion from escaping from the bottom of the buttock and coming off or being displaced, and the main body of the cushion, that is, the cushion itself can be held at a predetermined position.

  According to the ninth to eleventh aspects of the present invention, since the cushion material is freely stored in and removed from the cover, the convenience of carrying the cushion and the aesthetic feeling when not in use are improved. Covers can be washed individually and used hygienically.

According to the contrivance of claim 12, the edge of the curved pillow-shaped cushion which is curved in a state along the edge around the buttocks in the state of sitting on the seat surface, as compared with the linear pillow-shaped cushion. Since the seat is laid, the seating of the buttocks is further stabilized, the sitting comfort is improved, and the effect of preventing the cushion from being displaced is enhanced.

FIG. 1 is a perspective view of a cushion. FIG. 2 is a sectional view of the cushion. FIG. 3 is a perspective view of the cushion in a state where the auxiliary portion of the cover is unfolded. 4 is a longitudinal sectional view of the cushion in a state where the auxiliary portion of the cover of FIG. 3 is developed. FIG. 5 is a bottom view of the cushion in a state where the auxiliary portion of the cover is unfolded. FIG. 6 is an exploded view of the cover. FIG. 7 is a perspective view of a cushion wrapped in a cover. 8 is a right side view of the cushion wrapped in the cover of FIG.

As the best mode for carrying out the present invention, a cushion as a seating posture support tool wrapped in a cover provided with a bag-like auxiliary portion for wrapping the cushion doubly is shown in FIGS. Based on

  The cushion as a seating posture support device of the present invention is a support device that is used by being laid in a wedge shape in the gap between the seat surface of the chair and the buttocks, and by laying in the gap, the pelvis of the seated person who is the user It is intended to prevent backward tilting (inclination toward the back of the body), ideally to stand the pelvis in a vertical direction with respect to a substantially horizontal seating surface in the seated state. It is not always necessary to have a shape or structure for standing. By letting the user feel the presence of the support device, the user will naturally be in a natural posture, that is, ideal when the spine is viewed from the side. Any shape or structure that suffices to extend the seating posture into a so-called S-shape may be used.

1 and 2, the cushion 1 illustrated in the embodiment is formed by cushioning a cushion material, and in a state in which the cushion material is laid in a wedge shape in the gap between the seat surface of the chair and the buttocks, One vertical cross section has a substantially wedge-shaped edge.

More specifically, in the said state, it is comprised so that the substantially right triangle shape which makes the long side the surface which contact | connects a seat surface may be comprised.
The cushion 1 further includes a cushion material made of a low-resilience urethane material having a substantially right-angled triangular cross section as an outer layer cushion material 11 in order to improve sitting comfort. A cushion material made of a highly repulsive urethane material formed into a substantially trapezoidal shape corresponding to the above is included as an internal cushion material 12 for mainly receiving the pressure of the buttocks.

The reason why the internal cushion material 12 is substantially trapezoidal is that the internal cushion material 12 is pulled and the cushion 1 as a whole is stabilized by receiving the pressure of the buttocks.
In this embodiment, the tip of the short side of the right triangle formed into a substantially right triangle shape which is the cross-sectional shape of the outer layer cushion material 11 is horizontally cut into a substantially trapezoidal shape, but this shape is not necessarily required. No.

The edge of the wedge formed by the substantially wedge-shaped edge in the vertical cross section of the pillow-shaped cushion 1, that is, the long side and the oblique side of the substantially right triangle, depends on the material such as the repulsive force of the outer layer cushion material 11 and the inner cushion material 12. However, according to the experimental results, approximately 30 degrees, that is, a range of ± 5 degrees with 30 degrees as the median is appropriate, and the vicinity of 30 degrees is the best.

In the illustrated example, the cushion 1 is a substantially right triangle as described above, but the effect of the present invention is that the edge formed in a wedge shape embedded in the gap between the seating surface and the buttock, that is, the length of the right triangle. Since it is exhibited by the shape and structure of the side and the oblique side, the shape of the short side of the substantially right triangle may be any shape or range as long as it does not adversely affect the operational effects of the present invention. There is no problem with the structure.

  According to the above embodiment, the cushion 1 is laid in a wedge shape in the gap between the seat surface of the chair and the buttocks, so that the pelvis in the sitting state is physically prevented from being tilted backward, and the back muscles are stretched naturally. In addition to supporting and holding the seating posture, the user himself / herself is stimulated by the sense of use of the buttocks to be always aware of the correct posture. The posture can be supported and held, and the burden on the body can be reduced by maintaining a natural and correct sitting posture.

  In addition, the cushion as the seating posture support device according to this embodiment supports and holds the sitting posture in an ideal natural posture based on the user's own sense of use. It can be used regardless.

The cushion 1 shown in FIG. 1 and FIG. 2 is a cushion material itself, but can be expanded and contracted according to deformation when an appropriate cover, for example, the cushion 1 is not used or is subjected to pressure during sitting (when used). You may use the cover which covers the surface of the cushion 1 like cloth with a cloth.

In the embodiment shown in FIG. 3 and the following figures, the cushion 1 is not only wrapped in a retractable manner, but the cushion 1 interposed between the seat surface and the heel portion in a wedge-like manner during use is initially set or laid. The device has been devised so that the insertion position can be maintained for a long time in a state where it is in a lit state. Hereinafter, a description will be given with reference to FIGS.

The illustrated cover 2 is made of a stretchable fabric, and extends from a body part 3 that wraps the cushion 1 and a part of a bag mouth edge that forms a bag mouth 34 of the body part 2, so that the seat surface of the chair In the state where the cushion 1 is laid in a wedge shape in the gap between the heel and the buttocks, the auxiliary portion 4 is integrally formed on the seat surface of the chair so as to be laid directly under the heel.

The main body 3 is literally formed in a bag shape so as to be a bag that allows the cushion 1 to be freely put in and out, and the auxiliary portion 4 also includes the cushion 1 in a state of being wrapped in the main body 3. It is formed in a bag shape so as to be further double wrapped from above.

That is, the main body portion 3 of the cover 2 is configured so that the pillow-shaped cushion 1 having a substantially right triangle in the vertical cross section has a long side (31) to a short side (32) and an oblique side. The side surfaces (33) and the surfaces (35, 35) on both ends of the pillow-shaped cushion 1 are covered so as to be integrally wrapped, and the cushion 1 is formed in a bag shape that is opened so that the cushion 1 can be taken in and out at the wedge tip side.

Hereinafter, the surface covering the long side surface (31) of the triangle of the main body 3 of the cover 2 is the long side surface 31, and the surface covering the short side surface (32) is the short side surface (32) and the oblique side. The surface covering the surface (33) is also referred to as the oblique side surface 33, and the surfaces (35, 35) on both ends of the pillow cushion 1 are also referred to as both end surfaces 35, 35.

The auxiliary portion 4 of the cover 2 extends so as to cover the opening, that is, the bag mouth 34 from a portion corresponding to the edge of the bag mouth that is originally opened as the bag mouth of the slope side surface 33 of the main body portion 3. From the long side surface (31) to the short side surface (32), the slope side surface (33), and the surfaces (35, 35) on both ends of the pillow-shaped cushion 1, From above (symbols 31, 32, 31, 35 shown in the figure), it is configured in the shape of a bag that is double-wrapped and wrapped.

  That is, the auxiliary portion 4 extends so as to cover the bag mouth 34 and covers the long side surface 31, that is, the long side surface 31 of the cushion 1 in a double manner, and the short side surface 32. That is, the short side surface 42 that double covers the short side surface 32 of the cushion 1, the slope side surface 43 that double covers the slope side surface 33, that is, the slope side surface 33 of the cushion 1, and both side surfaces. 35, 35, that is, a bag provided with both side surfaces 45, 45 that cover the both end surfaces (35, 35) of the pillow-shaped cushion 1 in a double manner.

In the said Example, although the cushion 1 is formed in the pillow shape extended linearly, the edge of the pillow of the side inserted in a wedge shape at the clearance gap between a seat surface and a collar part was seated on the seat surface. It is good also as a shape which curved along the periphery of the contact surface of the collar part and the said seat surface, or curved shape corresponding to the curve of at least one part of the periphery.

By adopting such a curved shape, compared to the linear pillow cushion as described above, a curved curve formed in a state along the edge around the buttocks when the buttocks are sitting on the seat surface The edge of a typical pillow-like cushion will be laid, so that the sitting of the buttocks can be stabilized, and thus the sitting comfort is not only improved well,
In addition to the front-rear direction, the effect of preventing the displacement of the curved edge in the direction in which the edge of the curved shape extends, i.e., the lateral direction of the buttock, can be significantly enhanced.

  The present invention can be widely used not only as a seating posture support tool but also as a waist pad or a neck pad when sitting on a cushion itself or a cushion covered with a cover.

1 Cushion 11 Outer Cushion Material 12 Internal Cushion Material 2 Cover 3 Body (Cover)
4 Auxiliary part (cover)
31 Long side (main body)
32 Short side (main body)
33 Slope side (main part)
34 Bag mouth 35 Both sides (Body part)
41 Long side (auxiliary part)
42 Short side (auxiliary part)
43 Slope side surface (auxiliary part)
45 Both sides (auxiliary part)

Claims (12)

A sitting posture supporter characterized in that the cushion is a pillow-like cushion having a substantially wedge-shaped edge in a vertical section in a state of being laid in a wedge shape in a gap between the seat surface of the chair and the buttocks.   The seating posture supporter according to claim 1, wherein the cushion has a substantially right-angled triangle having a long side as a long side in contact with the seating surface in a state where the cushion is laid.   3. The seating posture according to claim 2, wherein the cushion comprises at least a substantially right triangle outer layer cushion material and a substantially trapezoidal inner cushion material contained so as to correspond to the shape of the outer layer cushion material. Support tool.   4. The sitting posture supporter according to claim 3, wherein the outer cushion material is a low-resilience urethane material and the inner cushion material is a high-resilience urethane material.   The seating posture supporter according to any one of claims 1 to 4, wherein a wedge tip angle of the cushion is approximately 30 degrees.   The seating posture supporter according to any one of claims 1 to 5, wherein the wedge tip angle of the inner cushion is approximately 30 degrees. The sitting posture supporter according to any one of claims 1 to 6, wherein the cushion is wrapped with a cover that can be expanded and contracted according to deformation of the cushion. The cover includes a main body that wraps the cushion, and the seating surface extends from the main body so that the cushion is laid directly under the buttock in a state where the cushion is laid in a wedge shape in the gap between the seating surface of the chair and the heel. The seating posture support tool according to claim 7, wherein the seating posture support tool is configured by an auxiliary portion that is spread in a planar shape. 9. The seating posture support device according to claim 8, wherein the main body portion is a bag in which the cushion can be put in and out freely. The body part of the cover of the sitting posture supporter according to any one of claims 2 to 6 is short from a long side surface of the triangle with respect to a pillow-like cushion having a substantially right triangle in a vertical section. The side surface and the oblique side surface, and both end surfaces of the pillow-like shape are covered so as to be integrally wrapped, and are configured in a bag shape in which the cushion is opened at the front end side of the wedge so that the cushion can be taken in and out. Item 10. The sitting posture supporter according to item 8 or claim 9. The auxiliary portion of the cover of the sitting posture supporter according to claim 10 extends from the edge of the opening on the slope side surface of the main body so as to cover the opening, and extends from the long side surface to the short side side. The seating posture supporter according to any one of claims 8 to 10, wherein the seating posture supporter is configured in a bag shape that covers and wraps the surfaces on both sides of the surface and the inclined surface and the pillow-like ends. The shape of the edge is a curved shape corresponding to at least a part of a curve of a peripheral edge of a contact surface between the collar portion and the seat surface in a state of being seated on the seat surface. The sitting posture supporter according to claim 1.

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