JP2002153349A - Human head part supporting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a human head supporting device in a simple structure at a low cost for guiding a person to a relax state or a sleeping state without causing uncomfortableness. SOLUTION: This human head supporting device comprises a bag like body 1 expanded or contracted by injection or discharge of air, a driving means 2 for expanding or contracting the bag like body 1, and a control means 3 for controlling the driving means 2 so as to expand or contract the bag like body 1 at a predetermined cycle. The bag like body 1 supports the head part of the human body on its upper part 4 and a proximity of the shoulder part of the human body on its lower part 6, and expanding or contracting displacement of the upper part 4 of the bag like body 1 is set larger than that of the lower part 6, and the upper part 4 and the lower part 6 of the bag like body 1 are synchronously expanded or contracted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a human head supporting device for guiding a human body to a relaxed state or a sleep state by applying vibrations.

[0002]

2. Description of the Related Art Conventionally, a slow vibration is given to a human body to relax the same body.
2. Description of the Related Art A relaxation device as disclosed in Japanese Patent Application Laid-Open No. 11-137626 is known. In the relaxation device, a supporting means such as a chair for supporting a human body is vibrated by a vibration device, and a vibration is applied to the same human body supported by the supporting means to relax the human body. In this case, since the vibration by the vibration device is slow, the human body is guided to a relaxed state or a sleep state.

[0003]

In the human body, three-dimensional vibration is mainly sensed by the semicircular canal inside the ear. However, in the above-mentioned conventional technology, since the entire supporting means for supporting the human body is vibrated, the semicircular canal is difficult to be effectively vibrated, and the sensing becomes insufficient, so that the relaxed state and the sleep state are surely achieved. There was a problem that was not led to. Also, if the supporting means is vibrated to such an extent that it can be reliably detected by the semicircular canal, the whole human body will swing greatly and cause discomfort, and the vibration device for vibrating the supporting means to this extent will be large. However, there is also a problem that the structure of the entire apparatus is complicated and the cost is high.

SUMMARY OF THE INVENTION The present invention has been made in order to solve all of the problems in the prior art described above, and an object of the present invention is to make it possible to effectively vibrate the semicircular canal so that it can be relaxed without causing discomfort. An object of the present invention is to provide a human head support device that is smoothly guided to a sleep state, has a simple structure, and is inexpensive.

[0005]

According to a first aspect of the present invention, there is provided a human head supporting apparatus, comprising: a bag-shaped body which expands and contracts by injecting and discharging air; Driving means for inflating and deflating by injecting and discharging;
Control means for controlling the driving means so that the inflation / deflation operation of the bag-shaped body is performed at a predetermined cycle;
A bag-like body having an upper portion supporting the head of the human body and a lower portion supporting the vicinity of the shoulder of the human body, and an inflatable upper portion of the bag-like body.・ Set the contraction displacement larger than the lower expansion / contraction displacement,
The upper and lower portions of the bag-shaped body are inflated and contracted in synchronization with each other.

Accordingly, in this case, air is injected and discharged by the driving means controlled by the control means to cause the bag-like body to expand and contract, and at this time, the expansion and contraction operation is performed at a predetermined period which is slow. By controlling to be performed, the vicinity of the head and shoulders of the human body can be slowly vibrated, and the human body is guided to a relaxed state or a sleep state by sensing the vibration. The upper part of the bag supports the head of the human body and the lower part supports the vicinity of the shoulder of the human body. The driving means for inflating and deflating the bag-shaped body is not large, and the cost is low with a simple structure as a whole.

In addition, the amount of expansion and contraction displacement of the upper portion of the bag is set to be larger than the amount of expansion and contraction of the lower portion, and the upper and lower portions of the bag are inflated and contracted in synchronization with each other. Therefore, as described above, when slowly vibrating the vicinity of the head and shoulders of the human body, the head and the vicinity of the shoulders are kept at a constant mutual angle, and the same head Both sides are oscillated by increasing the amplitude on the side. Therefore, there is no bending movement at the neck between the head and the vicinity of the shoulder,
Both are slowly vibrated in a stable state, and the vibration is effectively sensed by the semicircular canal, and smoothly led to a relaxed state or a sleep state without causing discomfort.

According to a second aspect of the present invention, there is provided the human head support device according to the first aspect, wherein the period at which the bag-shaped body is inflated and contracted is 0.1 to 0.4 Hz. Is set.

Therefore, in this case, in particular, since the period of the inflating and deflating operation of the bag is set to 0.1 to 0.4 Hz, the head and shoulders associated with the inflating and deflating operation of the bag are used. The frequency of the vibration in the vicinity of the part substantially coincides with the frequency of the respiration of the human body, and the relaxation state and the sleep state can be more smoothly guided without causing discomfort.

According to a third aspect of the present invention, there is provided the human head support device according to the first or second aspect, wherein the expansion / contraction displacement of the upper part of the bag-like body is measured on the side of the head of the human body. Is set to be 15 to 40 mm in the direction facing.

[0011] Therefore, in this case, in particular, the amount of inflation / contraction displacement of the upper part of the bag-like body is set to 15 to 40 mm in the direction facing the head side of the human body, so that the human body is too large or small due to its semicircular canal. A moderate vibration that does not go too far will be sensed, and the user will be more smoothly led to a relaxed state or a sleep state without causing discomfort.

According to a fourth aspect of the present invention, there is provided a human head support apparatus according to any one of the first to third aspects, wherein the bag-shaped body is inflated in operation time and contracted. The time ratio to the operation time is set to approximately 1: 2.

Therefore, in this case, in particular, the time ratio between the inflating operation time and the deflating operation time of the bag is approximately 1: 1.
Since the time ratio between the inhalation and the expiration of the human body is generally about 1: 2, the head and shoulders associated with the respiratory rhythm of the human body and the inflation / deflation of the bag-like body are set to 2. The rhythm of the nearby vibration substantially coincides with the rhythm of the vibration, and the user is more smoothly led to the relaxed state or the sleep state without causing discomfort.

According to a fifth aspect of the present invention, there is provided a human head support device according to any one of the first to fourth aspects, wherein the support base comprises a cushion material having a substantially groove-shaped cross section. Wherein the bag-like body is accommodated and installed in the concave groove portion of the support base with its vertical direction along the groove direction.

Therefore, in this case, in particular, since the bag-like body is placed on the support base made of the cushion material, the minute vibration caused by the injection and discharge of air generated when the bag-like body is inflated and contracted is reduced. The support base absorbs the external shock applied to the bag-like body, and the support base reduces the external impact. Moreover, the support base is substantially groove-shaped in cross-section, and the bag-like body is accommodated and installed in the concave groove part of the support base with its vertical direction along the groove direction. In this way, the inflating and deflating operation is surely performed without spreading laterally, and the vicinity of the head and shoulders is supported along the central axis of the human body by the bag-like body, and both are accurately vibrated in a more stable state.

According to a sixth aspect of the present invention, there is provided the human head support device according to the fifth aspect, wherein the support base is formed in a substantially triangular shape in a side view, and the concave groove portion of the support base is formed. The top surfaces of the biconvex walls on both sides are inclined so that their heights decrease from above to below, and the upper wall on the high side of the biconvex walls is placed close to the side of the head of the human body It is characterized in that it is a head contact wall.

Therefore, in this case, in particular, the head contact wall which is disposed close to the side of the head of the human body is formed by inclining the top surfaces of the biconvex walls on both sides of the concave groove of the support base. ,
When the bag-shaped body is inflated and contracted, the head that fits in the concave groove portion is in contact with the same-head contact wall on both sides and is prevented from rolling down from the bag-shaped body. Also, at this time, both ends near the shoulder can be placed and supported so as to straddle the concave groove on the lower side on the top surface of the biconvex wall of the support base. Stable support.

According to a seventh aspect of the present invention, there is provided the human head support device according to the fifth or sixth aspect, wherein the support base and the bag-like body are covered with a skin sheet and integrated. It is characterized by having done.

Therefore, in this case, in particular, since the support base and the bag-shaped body are covered with the outer cover sheet and integrated, the support base and the bag-shaped body do not separate from each other even during use. ,
Easy to handle and good appearance.

The human head support device according to an eighth aspect of the present invention is the human head support device according to the seventh aspect, which is detachably attached to an upper end portion of a backrest of a chair. It is assumed that.

Therefore, in this case, it can be attached to the upper end portion of the backrest of the chair only when it is in use, and can be removed from the chair when it is not in use and put away. Also becomes easier.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS.
8 shows an embodiment corresponding to all of the above-described embodiments. The human head support device according to this embodiment includes a bag-like body 1 that inflates and contracts by injecting and discharging air, and the bag-like body 1 Driving means 2 for expanding / contracting by injection / discharge
And a control means 3 for controlling the driving means 2 so that the inflation / deflation operation of the bag-shaped body 1 is performed at a predetermined cycle.

In this case, as shown in FIG. 4, the bag-like body 1 has an upper part 4 supporting a head 5 of a human body H and a lower part 6 thereof.
Supports the vicinity of the shoulder portion 7 of the human body H. As shown in FIG. 2, the expansion / contraction displacement L1 of the upper part 4 of the bag-like body 1 is set to be larger than the expansion / contraction displacement L2 of the lower part 6. The upper part 4 and the lower part 6 of the bag-shaped body 1 are inflated and contracted in synchronization with each other.

Further, in the human head support device of the embodiment, the period in which the bag-shaped body 1 is inflated and contracted is set to 0.1 to 0.1.
0.4 Hz, and the expansion / contraction displacement L1 of the upper part 4 of the bag-like body 1 is set to 15 to 15 in the direction facing the head 5 side of the human body H.
It is set to 40 mm, and the time ratio between the operation time of the bag-shaped body 1 expanding and contracting is set to approximately 1: 2.

Further, the human head support device of this embodiment is provided with a support base 8 made of a cushion material having a substantially groove-shaped cross section, and the bag-like body 1 is placed in a concave groove 9 of the support base 8 in the vertical direction. Are accommodated and installed along the groove direction. In this case, the support 8 is formed in a substantially triangular shape in a side view, and the heights of the top surfaces 11 of the biconvex walls 10 on both sides of the concave groove 9 of the support 8 are reduced from the upper side to the lower side. Inclined and the bi-convex wall
The upper part of the wall on the high side of 10 is formed as a head contact wall 12 arranged close to the side of the head 5 of the human body H.

Further, in the human head support device of the present embodiment, the support base 8 and the bag-like body 1 are covered with a skin sheet 13 and integrated. As shown in FIG. 4, the human head support device of this embodiment is detachably attached to the upper end portion of the backrest 15 of the chair 14.

As shown in FIG. 3, the entire human head support device of this embodiment is schematically constituted by a bag-like body 1, a driving means 2 comprising a pump 16 and an exhaust valve 17, and a control means 3. I have. Here, the bag-like body 1 and the pump 16 are connected to each other through a pipe 18, and an exhaust valve 17 is branched and connected in the pipe 18. In this case, when the pump 16 is operated with the exhaust valve 17 closed, air is injected into the bag-like body 1 and the bag-like body 1
Operates to expand. When the exhaust valve 17 is opened with the pump 16 stopped, air is discharged from the bag 1 and the bag 1 contracts. The operation control of the driving means 2 such as the operation / stop of the pump 16 and the opening / closing of the exhaust valve 17 is performed by the control means 3 including a circuit, a man-con, and the like.

As shown in FIG. 1, the support 8 has a substantially groove-shaped cross section and is made of a foam such as polyurethane or polystyrene, and has a cushioning property. Further, as shown in FIG. 2, the support base 8 is formed in a substantially triangular shape in a side view, and a concave groove portion 9 located substantially in the center thereof is also formed as a space in a substantially triangular shape in a side view. The width of the groove 9 is formed slightly wider than the width of the head 5 of the human body H.
The head 5 of the human body H is placed and supported on the upper part 4 of the bag-like body 1 with its vertical direction along the groove direction.
The vicinity of the shoulder 7 of the human body H is placed and supported on the lower part 6 of the bag-like body 1.

The bag-like body 1 is installed on the inner bottom surface in the concave groove 9 of the support base 8 and is formed to have a substantially triangular shape in a side view in an expanded state, and its peripheral wall portion is bent and deformed. This causes expansion and contraction operations. At this time, the amount of expansion / contraction displacement L1 of the upper part 4 of the bag-like body 1 is about 15 to 40 mm, and the amount of expansion / contraction displacement L2 is smaller than the amount of expansion / contraction displacement L1. Expands and contracts.
The period in which the bag-shaped body 1 is inflated and contracted is about 0.1 to
0.4 Hz, and the time ratio between the operation time for the bag-shaped body 1 to expand and the operation time for the bag-shaped body 1 to contract is approximately 1: 2. The setting and control of these are performed by the driving means 2 and the control means 3. Done.

The cycle in which the bag-like body 1 is inflated and contracted is defined as one cycle from the start of the inflation of the bag-shaped body 1 to the end of the contraction (the start of the next inflation). .1
Hz, there is one operation from the start of the expansion to the end of the contraction in 10 seconds. Then, in this case, as described above, if the time ratio between the operation time for inflating the bag-shaped body 1 and the operation time for contracting the bag-shaped body 1 is approximately 1: 2, from the start of the inflation of the bag-shaped body 1 to the end of the inflation. Is about 3.3 seconds, and the operation time from the start of contraction to the end of contraction of the bag-like body 1 is about 6.7.
Seconds.

The bag-like body 1 and the support base 8 are covered with a soft and decorative outer skin sheet 13 made of cloth, synthetic resin or the like, and are integrally formed as a whole, as shown in FIG. By hooking a hook 19 protruding from the upper end to the upper end portion of the backrest 15 of the chair 14, it is detachably attached and used. The chair 14 in this case may be a normal reclining chair, but it is effective if it has a massage function. Also, instead of the hook 19,
It may be attached to the upper end portion of the backrest 15 of the chair 14 using a fastening tape, a button, a fastener, or the like. Then, the driving means 2 and the control means 3 may be built in the support base 8 to be integrated, or the driving means 2 and the control means 3 may be connected separately by a pipe 18 made of a hose.

Next, the use state will be described in detail. Human body H
The shoulder 7 straddles the concave groove 9 of the support 8, and both ends thereof are mainly supported on the top surface 11 of the convex wall 10 of the support 8. However, when the human body H is curved, or when the convex wall portion 10 of the support base 8 that supports the shoulder portion 7 is compressed and deformed, the middle portion of the shoulder portion 7 may enter the concave groove portion 9. Also, human body H
The head 5 is always accommodated in the groove 9 of the support base 8 and is supported on the bag-like body 1 in the groove 9. And FIG.
As shown in (b), when the bag-like body 1 expands, the upper part 4 expands more than the lower part 6 to support the supporting surface (the vicinity of the head 5 and the shoulder part 7) of the bag-like body 1. Plane) is inclined at an angle α.

At this time, both the shoulder 7 and the head 5 of the human body H are lifted by the bag-like body 1, but the head 5 is prevented from rolling down by the head contact walls 12 on both sides. That is, the amount of expansion / contraction displacement L1 of the upper portion 4 of the bag-like body 1 is set to be smaller than the height of the head contact wall 12 (the height of the top surface 11 of the biconvex wall 10 of the support base 8). Have been. The expansion / contraction displacement L2 of the lower portion 6 of the bag-like body 1 is also set smaller than the height of the top surface 11 of the biconvex wall portion 10 of the support 8.

As shown in FIG. 4, even if the vicinity of the head 5 and the shoulder 7 of the human body H is lifted or lowered by the inflation / deflation operation of the bag-like body 1, the vicinity of the head 5 and the shoulder 7 is maintained. Means that the mutual angle θ is kept constant. Here, if the angle θ between the head 5 and the vicinity of the shoulder 7 of the human body H is too large or too small, discomfort occurs in the human body H. Same head 5 in natural posture at the time
And the relative angle between the shoulder and the vicinity of the shoulder 7. The angle θ before the bag 1 expands is determined by the relationship between the support 8 and the human body H. When the bag 1 expands, the angle θ is the same as that of the bag 1. Determined by the relationship with the human body H.

That is, since the relative angle θ between the head 5 and the vicinity of the shoulder 7 to be kept constant is determined by the way the bag 1 is inflated, the supporting surface of the bag 1 Is appropriately set. Here, if the inclination angle α of the support surface of the bag-like body 1 is too small, the angle θ becomes large when the bag is inflated, and conversely, if it is too large, the angle θ becomes small. For this reason, the bag-like body 1 has a predetermined angle α between when the surface supporting the head 5 and the vicinity of the shoulder 7 is inflated and contracted.
, The substantially triangular cross-sectional shape is configured.

Therefore, in the human head support device of this embodiment, the bag 1 is inflated by injecting and discharging air by the driving means 2 such as the pump 16 and the exhaust valve 17 controlled by the control means 3. By controlling the contraction operation and the expansion and contraction operation to be performed at a slow predetermined cycle, the vicinity of the head 5 and the shoulder 7 of the human body H can be slowly vibrated. Sensitive vibration and doujin H
Leads to a state of relaxation and sleep.

The bag-like body 1 has an upper part 4 supporting the head 5 of the human body H and a lower part 6 supporting the vicinity of the shoulder 7 of the human body H. Since a large load (whole weight) such as the entire H is not applied, the bag-like body 1
The driving means 2 such as the pump 16 and the exhaust valve 17 for inflating and contracting the valve are not large, and the overall structure is simple and the cost is low.

Moreover, the amount of expansion / contraction displacement L1 of the upper part 4 of the bag-like body 1 is set to be larger than the amount of expansion / contraction displacement L2 of the lower part 6, and the upper part 4 and the lower part 6 of the same bag-like body 1 are synchronized. Expansion
As described above, when the head 5 and the vicinity of the shoulder 7 of the human body H are slowly vibrated as described above, the head 5 and the vicinity of the shoulder 7 have a mutual angle θ. Are kept constant, the amplitude on the same head 5 side is increased, and both are vibrated. Therefore, there is no bending movement at the neck between the head 5 and the vicinity of the shoulder 7, and both are slowly vibrated in a stable state, and the vibration is effectively sensed by the semicircular canal, and It leads smoothly to a relaxed state or a sleep state without causing pleasure.

In the human head support device of the present embodiment, the period in which the bag-like body 1 is inflated and deflated is 0.1 to 0.1.
When the frequency is set to 0.4 Hz, the frequency of the vibration near the head 5 and the shoulder 7 accompanying the inflation / deflation operation of the bag-like body 1 substantially matches the frequency of the respiration of the human body H. Moreover, the bag 1
The time ratio between the inflating operation time and the contracting operation time is set to approximately 1: 2, and the time ratio between inhalation and expiration of the human body H is generally about 1: 2. And the rhythm of the vibration around the head 5 and the shoulder 7 accompanying the inflation / deflation operation of the bag-like body 1 substantially match. Therefore, the user can be more smoothly led to the relaxed state or the sleep state without causing discomfort.

Further, in the human head support device of this embodiment, the amount of expansion / contraction displacement L1 of the upper part 4 of the bag-like body 1 is set to 15 to 40 mm in the direction facing the head 5 side of the human body H. Therefore, the human body H will sense a moderate vibration that is not too large or too small in its semicircular canal,
It leads to a relaxed state and a sleep state more smoothly without causing discomfort. The upper part 4 of the bag 1
Expansion and contraction displacement L1 of the human body H corresponds to the movement of the semicircular canal. If the movement of the semicircular canal is less than 15 mm, the user does not feel much vibration, and if the amount of movement of the semicircular canal is more than 40 mm, he or she feels uncomfortable. Things.

Further, in the human head support device of the present embodiment, since the bag-like body 1 is installed on the support base 8 made of a cushion material, it is generated when the bag-like body 1 is inflated and contracted. Micro vibrations caused by the injection and discharge of air are absorbed by the support 8, and the external impact applied to the bag-like body 1 is also reduced by the support 8, and discomfort is less likely to occur. Safety is also improved. In addition, the support base 8 is substantially groove-shaped in cross section, and the bag-like body 1 is accommodated and installed in the concave groove portion 9 of the support base 8 with its vertical direction along the groove direction.
The bag-shaped body 1 is regulated without expanding laterally in the concave groove portion 9 and inflated and contracted reliably, and the vicinity of the head 5 and the shoulder portion 7 in the bag-shaped body 1 is aligned with the center axis (back muscle) of the human body H. Along, and both are accurately vibrated in a more stable state.

Further, in this case, the concave groove 9 of the support base 8
By inclining the top surface 11 of the biconvex wall portions 10 on both sides, a head contact wall 12 disposed close to the side of the head 5 of the human body H is formed. In this case, the head 5 that is accommodated in the concave groove portion 9 is in contact with the same-head contact walls 12 on both sides and is prevented from rolling off from the bag-like body 1. In this case, both ends near the shoulder 7 can be placed and supported so as to straddle the concave groove 9 on the lower side on the top surface 11 of the biconvex wall 10 of the support base 8. The vicinity of 7 is stably supported at both ends.

In the human head support device of the present embodiment, the support base 8 and the bag-like body 1 are covered with the outer cover sheet 13 and integrated, so that the support base can be used even when in use. 8
The bag-like body 1 does not separate from each other, and is easy to handle and has a good appearance. Moreover, in this case, the human head support device of this embodiment can be attached to the upper end portion of the backrest 15 of the chair 14 only when used, and can be removed from the chair 14 and put away when not in use. Is good and maintenance such as inspection, repair and replacement is easy.

FIG. 5 shows another embodiment corresponding to all of the first to eighth aspects of the present invention. In the human head support device of this embodiment, the bag-like body 1 has the same shape as the bag-like body 1a of the upper part 4. Lower 6 bag
The two bag-shaped members 1a and 1b are individually controlled independently of the inflating and contracting operations by the control means 3 and the driving means 2. Also in this case, the inclination angle β of the support surface of the bag-shaped body 1 supporting the head 5 and the vicinity of the shoulder 7 is constant at the angle θ formed between the head 5 and the vicinity of the shoulder 7 (the standing position of the human body H). (A relative angle between the head 5 and the vicinity of the shoulder 7 in a natural posture at the time).

By the way, the relative angle between the head 5 and the vicinity of the shoulder 7 in the natural posture of the human body H in the standing position varies from person to person, and is determined by the bag 1 as in the above embodiment. The uniform angle α cannot cope with the variation. On the other hand, in the human head support device of the present embodiment, since both the bag-shaped members 1a and 1b are individually controlled in operation, the inclination angle of the support surface of the bag-shaped member 1 is controlled. can be variably adjusted, so that the angle θ between the head 5 and the vicinity of the shoulder 7 can be appropriately set according to individual differences. Except for this, the configuration is the same as that of the above embodiment, and the same operation and effect as those of the above embodiment are exerted.

The human head support device according to claims 1 to 7 of the present invention is built in near the upper end of the backrest 15 of the chair 14 shown in FIG. There may be. Further, in the human head support device of the present invention, the frequency of the vibration accompanying the inflation / deflation operation of the bag-like body 1 in each of the above embodiments, or the displacement of the bag-like body 1 is changed by 1 / f fluctuation. In this case, since the fluctuation of the vibration matches the fluctuation of the living body, the vibration can be more smoothly led to the relaxed state or the sleep state.

[0047]

As described above, in the human head support device according to the first aspect of the present invention, the load applied to the bag-like body is small, the structure is simple, the cost is low, and the head and shoulders of the human body are provided. When the vicinity of the head is slowly vibrated, while the mutual angle between the head and the vicinity of the shoulder is kept constant, the amplitude on the same head side is increased, and both are vibrated, and the vibration is generated. It is effectively sensed by the semicircular canal and smoothly leads to a relaxed state or a sleep state without causing discomfort.

In the human head supporting apparatus according to the second aspect of the present invention, the frequency of the vibration near the head and the shoulder substantially coincides with the frequency of the respiration of the human body. This leads to a smoother or more relaxed state without sleep.

In the human head support device according to the third aspect of the present invention, the human body senses appropriate vibrations in the three semicircular canals, so that the user can relax and sleep without any discomfort. Guided more smoothly to

Further, in the human head support device according to the fourth aspect of the present invention, the rhythm of the respiration of the human body and the rhythm of the vibration near the head and the shoulder substantially coincide with each other.
It leads to a relaxed state and a sleep state more smoothly without causing discomfort.

Further, in the human head support device according to the fifth aspect of the present invention, particularly, the microvibration and external impact are absorbed and mitigated by the support base made of the cushion material, so that discomfort is less likely to occur. At the same time, safety is improved, and the vicinity of the head and shoulders is supported along the central axis of the human body by the bag-like body, so that both are accurately vibrated in a more stable state.

In the human head supporting device according to the sixth aspect of the present invention, in particular, the head falling in the concave groove portion is prevented from rolling down, and at this time, the shoulder is stretched over the concave groove portion. Both ends near the part can also be placed and supported, and the vicinity of the shoulder is stably supported at both ends.

Further, in the human head support device according to the present invention, the support base and the bag-like body are covered with a skin sheet and integrated, so that the support base can be used even during use. The bag and the bag-like body do not separate from each other, and are easy to handle and have a good appearance.

Further, in the human head supporting device according to the eighth aspect of the present invention, particularly, it can be attached to the upper end portion of the backrest portion of the chair only when used, and can be removed from the chair when not in use and put away. Is good and maintenance is easy.

[Brief description of the drawings]

FIGS. 1A and 1B show a human head support device according to an embodiment of the present invention, wherein FIG. 1A is a plan view thereof, and FIG. 1B is a sectional view taken along line XX in FIG.

FIG. 2 shows a YY cross section in FIG.
(A) is a sectional view in a state where the bag-like body is contracted, (b)
FIG. 4 is a cross-sectional view in a state where the bag-like body is expanded.

FIG. 3 is a schematic configuration diagram showing a relationship between a bag-like body, a driving unit, and a control unit in the human head support device.

FIG. 4 is a side view showing a usage state of the human head support device.

5A and 5B show a human head support device according to another embodiment, and FIG. 5A is a cross-sectional view in a state where a bag-like body is contracted.
(B) is sectional drawing in the state where the bag-shaped body was expanded.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bag-like body 1a Upper bag-like body 1b Lower bag-like body 2 Driving means 3 Control means 4 Upper part 5 Head part 6 Lower part 7 Shoulder part 8 Support stand 9 Depression groove part 10 Convex wall part 11 Top surface 12 Head contact Wall 13 Skin seat 14 Chair 15 Backrest H Human body L1 Expansion and contraction displacement of upper part L2 Expansion and contraction displacement of lower part

Claims (8)

[Claims] 1. A bag-shaped body that inflates and contracts by injecting and discharging air, a driving unit that inflates and contracts the bag-shaped body by injecting and discharging air, and controls the driving unit. Control means for causing the bag-shaped body to expand and contract in a predetermined cycle, whereby the bag-shaped body has a top part supporting the head of the human body. In addition, the lower part supports the vicinity of the shoulder of the human body, and the amount of expansion and contraction displacement of the upper part of the bag is set to be larger than the amount of expansion and contraction displacement of the lower part. A human head support device that is inflated and contracted in synchronization with the lower part. 2. A cycle in which the bag-shaped body is inflated and deflated is set to 0.1 to 0.4 Hz.
The human head support device as described in the above. 3. The human head support device according to claim 1, wherein the amount of expansion / contraction displacement of the upper part of the bag-like body is set to 15 to 40 mm in a direction facing the head side of the human body. . 4. The human head according to claim 1, wherein a time ratio between an operation time for inflating the bag-shaped body and an operation time for contracting the bag-shaped body is set to approximately 1: 2. Part support device. 5. A supporting base comprising a cushion material having a substantially groove-shaped cross section, wherein a bag-like body is accommodated and installed in a concave groove portion of the supporting base with its up-down direction along the groove direction. Item 4. The human head support device according to any one of Items 1 to 4. 6. The support base is formed in a substantially triangular shape in a side view,
The top surfaces of the biconvex wall portions on both sides of the concave groove portion of the support stand are inclined so that the height thereof decreases from the upper side to the lower side, and the upper wall portion on the higher side of the both convex wall portions is placed on the head side of the human body. 6. The human head support device according to claim 5, wherein the head contact wall is disposed closer to the side. 7. The human head support device according to claim 5, wherein the support base and the bag-shaped body are covered with a skin sheet and integrated. 8. A chair which is detachably attached to an upper end portion of a backrest portion of a chair.
The human head support device as described in the above.