JP3819241B2 - Chair type massage device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a chair type massage apparatus provided with a treatment element for massaging the back of the upper body of a human body in a backrest part of a chair body.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a chair type massage device that massages the back of the upper body of a human body on a backrest portion of a chair body is known.
[0003]
As such a chair-type massage device, an upper treatment element that massages the vicinity of the human scapula and a lower treatment element that massages the vicinity of the human lumbar part are connected by an arm and a pair is provided for the left and right sides of the human body. It is well known that the arm is swung so that the treatment elements and the lower treatment elements come close to and away from each other so as to disentangle the human shoulder blade and the human waist.
[0004]
Moreover, this arm can be displaced in the human body up-and-down direction integrally with each treatment element in order to change a user's physique and a massage part.
[0005]
In addition, in the seat part of the chair body described above, there is a so-called footrest (such as a cushion body that supports the vicinity of the human calf) or a separate body, and the backrest part includes Some have a so-called headrest (such as a cushion body that supports the vicinity of the head of a human body) or a separate body.
[0006]
[Problems to be solved by the invention]
By the way, in the chair type massage device configured as described above, the upper treatment element and the lower treatment element are integrally displaced in the vertical direction of the human body, so the massage part is changed according to a more strict physical difference. It wasn't something that could be done.
[0007]
That is, the physique difference of the human body, especially the upper body of the human body, the difference in sitting height is the physique difference, while the distance in the height direction from the seat to the human waist does not change greatly, but from the seat to the vicinity of the human scapula The difference in height varies greatly depending on the person.
[0008]
Therefore, in a configuration in which the relative distance between the upper treatment element and the lower treatment element is displaced in the vertical direction of the human body without changing, the human scapula is in a state where a person with a high seating height is positioned relative to the lower treatment element and the human waist. Problems such as inability to massage the area with the upper treatment element occur.
[0009]
In order to solve the above problems, the present invention provides a chair-type massage device that can be positioned at a desired site regardless of the physique difference when performing massage at different locations in the vertical direction of the upper body of the human body. Objective.
[0010]
[Means for Solving the Problems]
In order to achieve the object, the chair type massage apparatus according to claim 1 is a chair body having a seat part and a backrest part, and an upper treatment element provided in the backrest part for massaging the upper body of the human body. An upper unit, a lower unit provided below the upper unit in the backrest and having a lower treatment element for massaging the upper body of the human body, and the upper unit and the lower unit independently A chair-type massage apparatus including a drive unit that is displaced in a direction , wherein the drive unit includes a control unit that determines a displacement amount of the lower unit according to a displacement amount of the upper unit, The seat height is detected from the seat height data for the position of the upper unit stored in advance and the displacement amount of the upper unit, and Thereby lifting the lower unit to the correct position according to the issued sitting height is summarized as.
[0011]
The chair type massage apparatus according to claim 2, wherein the drive unit is a drive unit that drives the upper unit and the lower unit independently in the vertical direction of the human body, and the driving force of the drive unit is the upper unit. The gist of the present invention is that it includes switching means for switching between the first unit and the second unit.
[0012]
The gist of the chair type massage apparatus according to claim 3 is based on the amount of displacement when the control means positions the upper treatment element from the current position to the shoulder or scapula of the human body.
[0013]
The gist of the chair type massage apparatus according to claim 4 is that the upper unit and the lower unit massage the upper body of the human body while being displaced within a predetermined range.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of the chair type massage apparatus of the present invention will be described with reference to FIGS.
[0015]
In FIG. 7, 1 is a chair body, 2 is a seat portion of the chair body 1, 3 is a backrest portion of the chair body 1, 4 is a footrest portion of the chair body 1, and 5 and 6 are armrests positioned on the left and right of the seat portion 2. Part. As shown in FIG. 6, the chair body 1 is provided with an air supply unit 7 below the seat 2, a massage unit 8 is provided inside the backrest 3, and an operation unit 9 is provided on one armrest 5. Is provided.
[0016]
The massage unit 8 includes an upper unit 10, a lower unit 20, and a drive unit 30.
[0017]
As shown in FIG. 1, the upper unit 10 includes a pair of shoulder units 10 </ b > A and a scapula unit 10 </ b> B provided on a plate-like base 11 in a symmetrical manner.
[0018]
The shoulder unit 10A includes a rotating plate 12 rotatably supported on a base 11 via a support shaft 11a, a fixing plate 13 fixed to the rotating plate 12, an air bag 14 provided on the fixing plate 13, A tilting plate 16 supported by the rotating plate 12 integrally with the fixed plate 13 via a hinge 15 and a treatment element 16a fixed to the tilting plate 16 are provided.
[0019]
The rotary plate 12 is rotated about a support shaft 11a by a rotary unit (not shown) including a drive motor and a transmission gear provided on the back surface of the base 11, and the treatment element 16a is thus along the shoulder of the human body. Can be moved and can stop at any position.
[0020]
The scapula unit 10 </ b> B includes one air bag 17 fixed to the inclined surface 11 b formed on the base 11, a rotating plate 19 supported on the inclined surface 11 b via a hinge 18, and a rotating plate 19. And a fixed treatment element 19a.
[0021]
In addition, although the specific structure regarding the massage function of the upper unit 10 in which the shoulder unit 10A and the scapula unit 10B are provided in a bilaterally symmetrical manner is the same as that disclosed in Japanese Patent Application No. 11-361206. For example, as shown in FIG. 2, the shoulder unit 10A is a neck unit and the scapula unit 10B is a shoulder unit 10C, and the shoulder unit 10C has a retractable treatment element 19a ′ (back to be described later). The configuration is not particularly limited, for example, by adopting a configuration that is substantially the same as the driving method of the treatment element 23a of the medical unit 20A).
[0022]
The lower unit 20 includes a back unit 20 </ b> A and a waist unit 20 </ b> B that are provided in a pair of left and right symmetry on a casing 21 having a trapezoidal cross section.
[0023]
As shown in FIG. 3, the back unit 20 </ b> A has an air bag 22 fixed to the back side wall 21 a in the housing 21, a displacement plate 23 fixed to the air bag 22, and a tip protruding from the displacement plate 23. Is exposed to the outside of the housing 21, the coil spring 24 provided to urge the displacement plate 23 toward the back side wall 21 a and to surround the treatment element 23 a, and the treatment element 23 a And a packing 25 for backlash that the outer surface is in sliding contact with. The air bag 22 may be provided individually for the left and right displacement plates 23 or may be used alone.
[0024]
The waist unit 20 </ b> B is rotatably supported by a single air bag 26 provided on an inclined surface 21 c formed on the housing 21 and a flat portion 21 b formed on the housing 21 via a hinge 27. A rotating plate 27a, an air bag 28 provided on the rotating plate 27a, a rotating plate 29a supported by the rotating plate 27a via a hinge 29, and a treatment element 29b fixed to the rotating plate 29a It has. Although not shown, the hinges 27 and 29 are biased toward the inclined surface 21c (in the case of the rotation plate 27a) and the rotation plate 27a (in the case of the rotation plate 29a). An urging means is provided.
[0025]
The drive unit 30 is fixed to the pair of left and right guide rails 31 whose upper and lower ends are fixed in the backrest 3, a motor fixing plate 32 fixed across substantially the center of the guide rail 31 and the motor fixing plate 32. A single lift drive motor 33, a drive pulley 33a fixed to the output shaft (not shown) of the lift drive motor 33, and two shafts supported by the motor fixing plate 32 apart from the drive pulley 33a. Drive pulleys 34 and 35 with electromagnetic clutches (switching means), endless belt 36 straddling between drive pulley 33a and driven pulley 34, endless belt 37 straddling between drive pulley 33a and driven pulley 35, and driven A threaded rotary shaft 38 fixed to the pulley 34 and a threaded rotary shaft 39 fixed to the driven pulley 35 are provided.
[0026]
The guide rail 31 passes through a receiving portion 11 c formed on the back surface of the base 11 of the upper unit 10 and a receiving portion 21 d formed on the side of the housing 21 of the lower unit 20.
[0027]
The motor fixing plate 32 is provided with a sensor (not shown) that detects a relative distance to the upper unit 10 and a relative distance to the lower unit 20.
[0028]
The threaded rotary shafts 38 and 39 have screw portions 11d formed on the back surface of the base 11 of the upper unit 10 and screw receiving portions 21e formed on the back surface of the casing 21 of the lower unit 20 and screws. It penetrates in a combined state.
[0029]
Therefore, when the elevating motor 33 is driven, the threaded rotary shafts 38 and 39 are rotated in a predetermined direction via the drive pulley 33a, the endless belts 36 and 37, and the driven pulleys 34 and 35, and this rotation causes the upper unit 10 to rotate. Alternatively, the lower unit 20 moves up and down while being guided by the guide rail 31.
[0030]
The air supply unit 7 includes an air pump main body, a rotary valve unit connected to the air pump main body, a plurality of dispersion pipes connected to the rotary valve unit, a control circuit for performing electrical control of the air pump main body and the rotary valve unit, and the like. A pair of left and right air bags 14 provided on the shoulder unit 10A, one air bag 17 provided on the shoulder blade unit 10B, and a pair of left and right (or one) air bags 22 provided on the back unit 20A. The air bags 14, 17, 22, 26, and 28 are inflated and contracted by selectively performing air intake / exhaust to each of the pair of left and right air bags 28 provided in the waist unit 20 </ b> B.
[0031]
In the above configuration, when air is supplied to the air bladder 14, the tilting plate 16 rotates about the hinge 15 as a fulcrum, so that the treatment element 16a fixed to the tilting plate 16 pressurizes the human shoulder and massages. Do. Conversely, when the air supplied to the air bladder 14 is exhausted, it returns to its original state by the urging force of the urging means such as a coil spring provided on the hinge 15.
[0032]
When air is supplied to the air bag 17, the rotating plate 19 is rotated with the hinge 18 as a fulcrum, and thereby the treatment element 19 a fixed to the rotating plate 19 is pressurized so as to push up the human shoulder blade and massage. I do. Therefore, since the treatment element 16a of the shoulder unit 10A massages so as to push down the human shoulder, it is possible to provide a massage effect in which the periphery of the human shoulder blade is sandwiched between the treatment elements 16a and 19a from the body shoulder. It is possible to provide a complicated massage effect of sandwiching the human body vertically and horizontally in combination with the pair of therapies 16a or 19a being massaged so as to sandwich the human body in the left-right direction. Conversely, when the air supplied to the air bladder 17 is exhausted, it returns to its original state by the urging force of the urging means such as a coil spring provided on the hinge 18.
[0033]
When air is supplied to the air bag 22, the displacement plate 23 is displaced integrally with the treatment element 23a, and the distal end of the treatment element 23a pressurizes the back of the human body to perform massage. Conversely, when the air supplied to the air bladder 22 is exhausted, it returns to its original state by the urging force of the coil spring 24.
[0034]
When air is supplied to the air bag 26, as shown in FIG. 4, the rotating plate 27a rotates about the hinge 27, and the air bag 28, the hinge 29, the rotating plate 29a, and the treatment element 29b are thereby rotated. It protrudes to the surface side from the flat portion 21b. Further, when air is supplied to the air bladder 28 from this state, as shown in FIG. 5, the rotating plate 29a rotates about the hinge 29 as a fulcrum, whereby the treatment element 29b fixed to the rotating plate 29a is moved to the human body. Pressurize the waist and massage. On the contrary, when the air supplied to the air bags 26 and 28 is exhausted, it returns to the original state by the urging force of the urging means such as a coil spring provided on the hinges 27 and 29.
[0035]
On the other hand, when operating the selection switch as well as the lifting switch and the upper unit 10 provided in the operation unit 9 and lower unit 20 (not shown), the lifting drive motor 33 of the selected unit 10, 20 to drive Only one of the driven pulleys 34 and 35 is turned on and the other is turned off, and the selected units 10 and 20 are moved up and down along the guide rail 31, and a stop switch provided in the operation unit 9 By the operation, the units 10 and 20 are stopped, and the upper massage of the upper body and the lower massage of the upper body can be aligned at a desired site regardless of the physique difference.
[0036]
At this time, a relative distance between the motor fixing plate 32 and the upper unit 10 is detected by a sensor provided on the motor fixing plate 32, and a difference between the relative distance before the lifting drive and the relative distance after the lifting stop is obtained in advance. The lower unit 20 can also be raised and lowered automatically at a certain ratio. It is also possible to detect the seat height from the relative distance after the upper unit 10 has stopped moving up and down (recall the past accumulated seat height data stored in the ROM or the like) and automatically raise or lower the lower unit 20 to a position corresponding to the seat height. it can.
[0037]
In the upper unit 10, the relative position between the treatment element 16a and the human body shoulder may be used as a reference, or the treatment element 19a or the treatment element 19a ′ (the treatment element 19a ′ can be aligned more strictly. ) And the scapula portion of the human body may be used as a reference, but which treatment element 16a or treatment element 19a (treatment element 19a ′) is used as a reference is designated on the apparatus side.
[0038]
Each unit 10 and 20 can also massage the upper body of the human body while being displaced within a predetermined range.
[0039]
4 and 5, for convenience of explanation, the pressure on the human back and the pressure on the human waist are simultaneously performed. However, in actuality, they are performed separately at different timings. Further, the massage is not limited to the pressurization method described above, and may be vibration or the like.
[0040]
【The invention's effect】
As described above, in the chair type massage apparatus according to claim 1, the drive unit includes a control unit that determines a displacement amount of the lower unit according to a displacement amount of the upper unit, The control means detects the seat height from the sitting height data for the position of the upper unit stored in advance and the amount of displacement of the upper unit, and raises and lowers the lower unit to a position that matches the detected seat height. When massaging different parts in the vertical direction, the position can be adjusted to a desired part regardless of the physique difference, and automation can be performed without performing a displacement operation of the lower unit.
[0041]
In the chair type massage apparatus according to claim 2, the driving unit includes a driving unit that drives the upper unit and the lower unit independently in the vertical direction of the human body, and a driving force of the driving unit. By providing the switching means for switching between the upper unit and the lower unit, an expensive driving means can be used as one.
[0042]
In the chair type massage apparatus according to claim 3, strict positioning is possible by using the amount of displacement when the upper treatment element is positioned from the current position to the shoulder or scapula of the human body as a reference. It becomes.
[0043]
In the chair type massage apparatus according to claim 4 , it is possible to obtain a more versatile massage apparatus by massaging the upper body of the human body while the respective units are displaced within a predetermined range.
[Brief description of the drawings]
FIG. 1 is a perspective view of an essential part of a chair type massage apparatus according to an embodiment of the present invention.
FIG. 2 is a perspective view of a modified example of the main part.
FIG. 3 is also a cross-sectional view of the lower unit before pressurization.
FIG. 4 is a cross-sectional view of the lower unit in the back pressure state and immediately before the waist pressure is applied.
FIG. 5 is a cross-sectional view of the lower unit in a back pressure state and a waist pressure state, similarly.
FIG. 6 is a perspective view of a chair-type massage apparatus with a principal part broken away.
FIG. 7 is an external perspective view of the chair type massage apparatus.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Chair main body 2 ... Seat part 3 ... Backrest part 10 ... Upper unit 16a ... Treatment element 19a ... Treatment element 20 ... Lower unit 23a ... Treatment element 29b ... Treatment element 30 ... Drive unit

Claims (4)

A chair body having a seat portion and a backrest portion, an upper unit provided in the backrest portion and having an upper treatment element for massaging the upper body of the human body, and provided below the upper unit in the backrest portion A chair-type massage device comprising a lower unit having a lower treatment element for massaging the upper body of the human body, and a drive unit that displaces the upper unit and the lower unit independently in the vertical direction of the human body ,
The drive unit includes control means for determining a displacement amount of the lower unit according to a displacement amount of the upper unit,
The control means detects the seat height from the sitting height data for the position of the upper unit stored in advance and the displacement amount of the upper unit, and raises and lowers the lower unit to a position that matches the detected seat height. Chair type massage device to do.   The drive unit includes one drive means for independently driving the upper unit and the lower unit in the vertical direction of the human body, and switching means for switching the drive force of the drive means between the upper unit and the lower unit. The chair type massage apparatus according to claim 1, wherein the chair type massage apparatus is provided. The chair-type massage according to claim 1 or 2 , wherein the control means is based on a displacement amount when the upper treatment element is positioned on a shoulder portion or a scapula portion of a human body from a current position. apparatus. The chair-type massage apparatus according to any one of claims 1 to 3, wherein the upper unit and the lower unit massage the upper body of the human body while being displaced within a predetermined range.

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