JP5530016B1 - Posture correction device - Google Patents

Abstract

A posture correcting device capable of preventing the onset of stiff shoulders is provided.
A posture correcting device (1) including a protrusion (2), a backrest part (32), and a seat surface part (33), wherein the protrusion (2) is disposed on the backrest part (32) and is seated on the seat surface part (33). 4. A posture correcting device in which a protruding end contacts the seated person 4 in accordance with a change in the posture.
[Selection] Figure 1

Description

  The present invention relates to a posture correction device.

  In recent years, chronic painful spasticity (hereinafter referred to as stiff shoulders) that occurs on the shoulders and back due to the widespread use of personal computers (hereinafter abbreviated as PCs) and the prolonged PC work associated therewith is a modern disease. As a problem. Although there are various theories about the cause of this stiff shoulder, in general, by continuing the same posture, such as sitting on a chair, muscles around the shoulder and back supporting the head and upper limbs are continuously tensioned and circulatory disturbance occurs It is thought that the accumulated fatigue substance is stimulated and develops.

  On the other hand, it is difficult to eliminate the prolonged PC work. Therefore, conventionally, various techniques have been proposed and put to practical use in order to relieve muscular tension and eliminate circulatory disturbances, as shown in Patent Documents 1 to 3, for example, from the viewpoint of reducing the onset of stiff shoulders. .

  The technique disclosed in Patent Document 1 is a chair, and acupressure protrusions are attached to holes provided at a plurality of positions of a backrest portion. On the other hand, the techniques disclosed in Patent Document 2 and Patent Document 3 are acupressure tools, which are attached to the backrest portion of the chair, so that the acupressure protrusion can press the back surface of the person seated on the seat surface portion. Has been.

  By the way, a circulatory disorder that is a cause of stiff shoulders is unlikely to occur in an appropriate posture from the viewpoint of ergonomics, for example, a posture in which the back muscles are stretched, and is likely to occur when the posture is shifted to an inappropriate posture such as a stoop. Such a deterioration of posture occurs unconsciously and unconsciously while continuing a long-time PC work.

  The techniques disclosed in Patent Literatures 1 to 3 alleviate the stiff shoulder caused by the massage effect of the shiatsu protrusion, and prevent the above-described deterioration of the posture, that is, the onset of the stiff shoulder itself. It is not possible.

JP 2001-057921 A JP 2004-329666 A JP 2008-113776 A

  The subject of this invention is providing the posture correction apparatus which can prevent the onset of a stiff shoulder.

  In order to solve the above-described problem, the posture correction device according to the present invention includes a protrusion, a backrest, and a seat surface. The protrusion is disposed on the backrest, and the protruding end contacts the seated person according to a change in the posture of the person seated on the seating surface.

  As described above, in the posture correcting device according to the present invention, the protrusion is disposed on the backrest portion, and the protruding end contacts the seated person according to the change in the posture of the seated person seated on the seating surface portion. When a person moves to a proper posture from an ergonomic point of view, for example, a posture in which the spine is stretched out, to become a stooped posture while sitting on the seat surface and continuing PC work for a long time, Touches the back of the seated person, and the seated person perceives the deterioration of his / her posture and gives his / her posture such as stretching his back. Therefore, even if the PC work is continued for a long time, the occurrence of circulatory disturbance is avoided by maintaining an appropriate posture, so that the occurrence of stiff shoulders can be prevented.

  As described above, according to the present invention, it is possible to provide a posture correcting device that can prevent the onset of stiff shoulders.

  Other objects, configurations and advantages of the present invention will be described in more detail with reference to the accompanying drawings. The accompanying drawings are merely examples.

It is a front view of a posture correction device concerning an embodiment of the present invention. It is a left view of the posture correction apparatus of FIG. It is a left view which shows the use condition of the attitude | position correction apparatus of FIG. It is a left view which shows the use condition of the attitude | position correction apparatus of FIG. It is a front view of the posture correction apparatus which concerns on another embodiment of this invention. FIG. 6 is a left side view of the posture correction device of FIG. 5. It is a front view of the posture correction apparatus which concerns on another embodiment of this invention. It is a left view which shows the use condition of the attitude | position correction apparatus of FIG.

  1 to 8, the same reference numerals indicate the same or corresponding parts. The posture correction apparatus 1 shown in FIGS. 1 to 4 is a chair with a posture correction function, and includes a protrusion 2 and a chair body 3.

  Since the chair main body 3 is a well-known component in the technical field, it will be briefly described. The chair main body 3 includes a pillow-shaped portion 31, a backrest portion 32, and a seat surface portion 33. The pillow-shaped part 31 is a so-called headrest, and is arranged on the upper part of the backrest part 32 viewed in the height direction h. The backrest portion 32 stands up in a height direction h perpendicular to the seat surface portion 33 parallel to the ground, and performs an adjustment operation of the reclining angle adjustment mechanism (not shown) provided therein. By operating the operation lever 34, the front and rear directions f intersect with the pillow portion 31 in the height direction h, and the angle of intersection between the front surface 35 and the seat surface portion 33 is adjusted as appropriate.

  The protrusion 2 is disposed on the backrest 32. 1 and 2 has a plurality of protrusions 21, 22, and 23. Each of the protrusions 21 to 23 has a tapered structure that protrudes from the front surface 35 of the backrest portion 32 in the front-rear direction f and becomes thinner stepwise as it extends in the front-rear direction f. In short, the protrusions 21 to 23 have a substantially triangular shape when viewed in cross section. Further, the projections 21 to 23 are arranged at an interval in the height direction h on the front surface 35 which is an installation surface (or reference surface), and continuously extend along the width direction w intersecting the height direction h. Yes.

  The protruding portion 2 has a protruding height at which the protruding ends of the protrusions 21 to 23 come into contact with the back surface of the seated person 4 in accordance with a change in the posture of the person seated on the seating surface portion 33 (the seated person 4). . The protrusions 21 to 23 are arranged at a position corresponding to the waist of the seated person 4 from the average height of Japanese people, for example. Further, the protruding ends of the protrusions 21 to 23 are seated in an appropriate seating posture from an ergonomic point of view, that is, in a state where the seated person 4 extends his / her back and the upper body extends vertically with respect to the seating surface portion 33. In the posture, the back of the seated person 4 is not touched (see FIG. 3).

  Further, the seated person 4 in FIG. 3 has a back stretched in the height direction h, and the intersection angle θ1 of the upper body of the seated person 4 with respect to the seat surface portion 33 is approximately 90 degrees. Thus, when the seated posture of the seated person 4 is appropriate, the head and upper limbs, which are the heaviest parts of the human body, are a spine (not shown) positioned immediately below the head when viewed in the front-rear direction f, and the spine It is supported evenly by skeletal muscles around the shoulder and muscles around the shoulder and back (not shown) such as trapezius.

  The front surface 35 of the backrest portion 32 of FIGS. 1 to 4 constitutes a curved surface that inclines following the unevenness of the back surface of the seated person 4 from the viewpoint of ergonomics. In this case, in the protrusions 21 to 23, the protrusion distance (protrusion height) from the front surface 35 to the protrusion end is made different, specifically, the protrusion distance is increased from the lower side to the upper side in the height direction h. By increasing, the protruding ends of the protrusions 21 to 23 are aligned along the line L indicated by the alternate long and short dash line, and the alignment position (L) and the correct posture of the seated person 4 are in parallel.

  On the other hand, when the seated posture of the seated person 4 changes (deteriorates) as shown in FIG. 4 from the correct posture shown in FIG. 3, for example, the head descends unconsciously and unconsciously and the back is rounded, When the front waist part (abdomen) bends forward and the back waist part protrudes backward (posture), or the crossing angle θ2 of the upper body of the seated person 4 with respect to the seat part 33 is 0 degree. When the value is larger and smaller than the intersection angle θ <b> 1 (90 degrees), any protruding end of the protrusions 21 to 23 comes into contact with the back surface of the seated person 4.

  By the way, as already explained, in recent years, chronic shoulder stiffness that occurs on the shoulders and back surface has become a problem as a modern disease due to the spread of PCs and the accompanying prolonged PC work. Although there are various theories about the cause of this stiff shoulder, in general, by continuing the same posture, such as sitting on a chair, muscles around the shoulder and back supporting the head and upper limbs are continuously tensioned and circulatory disturbance occurs As a result, accumulated fatigue substances are considered to be stimulated.

  On the other hand, it is difficult to eliminate the prolonged PC work. Therefore, from the viewpoint of reducing the stiff shoulders, a chair with a shiatsu protrusion on the front of the backrest (so-called a chair with acupressure function) has been proposed and put into practical use in order to relieve muscle tension and eliminate circulatory disturbance. It is provided.

  However, all the conventional chairs with acupressure function alleviate the stiff shoulder caused by the massage effect of the acupressure projection, and cannot prevent the onset of the stiff shoulder itself. Furthermore, circulatory disorder, which is the cause of stiff shoulders, is unlikely to occur in an appropriate posture from an ergonomic point of view, for example, a posture in which the back is stretched, and is likely to occur when the posture is shifted to an inappropriate posture such as becoming a stoop. . That is, as shown in FIG. 4, when the seated person 4 is in a stooped posture, the head projects to the front side of the spine in the front-rear direction f. In other words, the spine does not lie directly under the head when it is in a stooped posture, so the head cannot be supported evenly by the spine. Muscles around the back are continuously tensioned, causing circulatory disturbance. Such a deterioration in posture occurs unconsciously and unconsciously while continuing a long-time PC operation. However, the conventional chair with acupressure function cannot prevent the above-described deterioration of posture.

  In order to solve the above-described problem, in the posture correction apparatus 1 described with reference to FIGS. 1 to 4, the protrusion 2 is disposed on the backrest portion 32 and changes in posture of the seated person 4 seated on the seat surface portion 33. Since the protruding ends of the projections 21 to 23 come into contact with the seated person 4 according to (deterioration), for example, the posture where the seated person 4 sits on the seat surface portion 33 and continues the PC work for a long time. (See FIG. 3) When the projection portion 2 contacts the back of the seated person 4 when transitioning from the stooped position (see FIG. 4), the seated person 4 perceives the deterioration of his / her posture and stretches the back muscles. It becomes an opportunity to give a seating posture.

  As already explained, when the seated person 4 is in an appropriate posture from the viewpoint of ergonomics, for example, the seated posture with the spine extended, the head and upper limbs, which are the heaviest parts of the human body, are supported evenly. Even when the PC work is continued for a long time, there is no circulatory disturbance and no shoulder stiffness caused by the circulatory disturbance. Therefore, it is possible to provide a posture correction device that can prevent the onset of stiff shoulders.

  FIG. 5 is a front view of the posture correcting apparatus 1 according to another embodiment of the present invention, and FIG. 6 is a left side view of the posture correcting apparatus 1 of FIG. The posture correcting apparatus 1 of FIGS. 5 and 6 has all the basic configurations of the embodiments of FIGS. 1 to 4 except that the protrusion 2 is detachably disposed on the backrest 32. ing. Hereinafter, the difference will be mainly described.

  5 and 6 includes protrusions 21 to 23, a substrate part 24, and an attachment part 25. The protrusions 21 to 23 are arranged on one surface of the substrate part 24, and the protruding end has a protruding height at which the protruding end comes into contact with the seated person (4) according to a change in posture of the person seated on the seat surface part 33. . That is, the posture correction apparatus 1 of FIGS. 5 and 6 includes a substrate portion 24 that becomes an installation surface (or reference surface) of the protrusions 21 to 23, in addition to the backrest portion 32. The substrate part 24 is arranged in the backrest part 32 at a position corresponding to the waist part of the person seated on the seat surface part 33, for example, from the average height of the Japanese.

  The mounting portion 25 is disposed at the upper edge of the substrate portion 24 as viewed in the height direction h, and is detachably coupled to the connecting portion between the backrest portion 32 and the pillow-like portion 31, thereby attaching the substrate portion 24 to the backrest portion 32. Hang on the front 35.

  The posture correcting apparatus 1 of FIGS. 5 and 6 has all the basic configurations of the embodiments of FIGS. 1 to 4 except that the protrusion 2 is detachably disposed on the backrest 32. Therefore, all of the advantages described with reference to FIGS. 1 to 4 can be achieved.

  Furthermore, according to the posture correction device 1 of FIGS. 5 and 6, since the protrusion 2 is detachably disposed on the backrest 32, the PC work is performed with the protrusion 2 disposed on the backrest 32. Thus, it is possible to prevent the posture from deteriorating and to take a rest in a relaxed state by removing the protrusion 2 during a time other than the PC work, for example, during a rest time, and pressing the back against the backrest 32.

  Moreover, according to the posture correction apparatus 1 of FIG.5 and FIG.6, when the projection part 2 is damaged, it can replace | exchange for a new article. Furthermore, by ensuring the diversity of deformation patterns, such as replacing the protrusions 2 with protrusions 21 to 23 having different protrusion heights or arrangement patterns, the effect of preventing the deterioration of posture is effectively ensured. The posture correction apparatus 1 that can prevent the onset of stiff shoulders can be provided.

  FIG. 7 is a front view of the posture correcting apparatus 1 according to another embodiment of the present invention, and FIG. 8 is a left side view showing a use state of the posture correcting apparatus 1 of FIG. The posture correcting device 1 of FIGS. 7 and 8 is entirely the same as that of the embodiment of FIGS. 1 to 4 except that the backrest portion 32 is arranged to be rotatable with respect to the seat surface portion 33. Have. Hereinafter, the difference will be mainly described.

  The posture correction apparatus 1 shown in FIGS. 7 and 8 has a shaft portion 5. The shaft portion 5 penetrates the backrest portion 32 along the height direction h, one end is coupled to the pillow-shaped portion 31, and the other end is pivotally coupled to the seat surface portion 33. The shaft portion 5 extends in the height direction h perpendicularly intersecting the seat surface of the seat surface portion 33, and the backrest portion 32 rotates about the shaft portion 5 as a rotation axis so that the projection portion 2 is arranged. The front surface (35) side and the back surface side where the protrusions 2 are not arranged alternately appear on the seat surface portion 33 side.

  The posture correcting device 1 of FIGS. 7 and 8 is entirely the same as that of the embodiment of FIGS. 1 to 4 except that the backrest portion 32 is arranged to be rotatable with respect to the seat surface portion 33. Therefore, all of the advantages described with reference to FIGS. 1 to 4 can be achieved.

  Furthermore, according to the posture correction apparatus 1 of FIG.7 and FIG.8, while performing PC work in the state which has arrange | positioned the front 35 of the backrest part 32 to the seat surface part 33 side, while preventing a deterioration of a posture, other than PC work During the break time, for example, the back of the backrest 32 can be placed on the side of the seat 33, and the back can be pressed against the backrest 32 to rest in a relaxed state.

  Although the contents of the present invention have been specifically described above with reference to the preferred embodiments, it is obvious that those skilled in the art can take various modifications based on the basic technical idea and teachings of the present invention. It is. For example, in the posture correction device 1 of FIGS. 1 to 8, the protrusion height, the number of arrangement, the arrangement interval, etc. of the plurality of protrusions (21 to 23) constituting the protrusion 2 can be appropriately increased or decreased as necessary. . For example, the plurality of protrusions (21 to 23) may be scattered in a matrix.

  Further, the mounting portion 25 may be deleted from the posture correcting device 1 of FIGS. 5 to 6, and the protruding portion 2 may be detachably embedded in the front surface 35 of the backrest portion 32, or a hook-and-loop fastener on the back surface of the substrate portion 24. And may be detachably disposed on the front surface 35. Furthermore, in the posture correction apparatus 1 of FIGS. 7 and 8, the backrest portion 32 may rotate along with the pillow portion 31.

DESCRIPTION OF SYMBOLS 1 Posture correction apparatus 2 Protrusion part 32 Backrest part 33 Seat surface part 4 Seated person

Claims (1)

A posture correcting device including a protrusion, a backrest, and a seat surface,
The protruding portion is disposed on the backrest portion, and the protruding end contacts the seated person according to a change in posture of the person seated on the seating surface portion, and is tapered.
Posture correction device.