JP3290329B2 - Air massage machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a chair backrest.
The present invention relates to an air massaging machine for supplying compressed air to an air supply unit such as an air compressor and the like to supply and exhaust compressed air to and from a bag disposed in a section to expand and contract the bag to perform massage.

[0002]

2. Description of the Related Art Conventionally, a plurality of bags which expand and contract by air supply / exhaust are arranged at a part supporting a body such as a backrest portion, a seat portion or a mat of a chair, and air is supplied from an air supply means such as an air compressor. 2. Description of the Related Art An air massage machine that supplies compressed air, that is, air to the bag through an air hose, and inflates and contracts the bag to perform massage is widely known.

However, in this type of air massage machine, for example, as in a chair type air massage machine shown in FIGS. 4 and 5, a plurality of bags 103 or a plurality of bags 103 are provided on a seat portion 101 and a backrest portion 102 of a chair body 100. 107, and connecting portions 103a are attached to the bags 103 to 107.
To 107a (in FIG. 5, a connecting portion of the bags 103 and 104 is not shown).
An air supply means 108 comprising a compressor is provided under the air supply means. The distributor 103 comprising a rotary valve 109 provided in the air supply means 108 and the connecting portions 103a to 107a are directly connected to the air hose 10 as shown in FIG.
5b to 107b (the air hoses of the bags 103 and 104 are not shown).
And 107b to supply and exhaust air from the air supply means 108.

[0004] A supply / exhaust sound is generated when the air is supplied / exhausted . This supply and exhaust sound is to occur in a variety of causes, sound generated when the air supply from the compressor inter alia upon air supply, and the air hose 1
05b to the exhaust sound generated when the air high pressure has flowed to 107b is rapidly exhausted to the outside from an exhaust port (not shown) of the distributor 109, the air hose 10
It is considered that what occurs due to the propagation into the bags 105 to 107 through 5b to 107b is a major factor of the supply / exhaust sound .

[0005]

As described above, in the conventional air massage machine, the air supply means and the bag are directly connected by an air hose, and air is supplied and exhausted from the air supply means via the air hose. When air is supplied / exhausted to / from the bag during massage, the supply / exhaust sound generated from the air compressor and the exhaust port of the distributor is transmitted through the air hose into the bag. ,neck·
There is a problem that the air supply / exhaust sound transmitted through the air hose connected to the neck / shoulder bag that massages the shoulder gives a feeling of discomfort.

[0006]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems by providing a seat, a backrest, and the seat.
A chair body having an armrest provided on both sides of the backrest, a neck and shoulder bag which is arranged on the backrest and expands and contracts by air supply and exhaust, and which is disposed below the seat. An air supply device for supplying / exhausting air to / from the neck / shoulder bag, an air supply / exhaust passage communicating and connecting the air supply device with the neck / shoulder bag, and a supply / exhaust passage for the air supply / exhaust passage A muffling hand inside and in the armrest
And a step .

[0007]

According to the present invention, when air is supplied to and exhausted from the neck / shoulder bag, the air supply transmitted to the neck / shoulder bag through the air supply / exhaust passage is achieved by the above construction.
The supply / exhaust sound generated in the device can be silenced by silencing means provided in the air supply / exhaust passage,
The muffling means enables dead space in the armrest
Since it is provided by utilizing, it is possible to prevent the sound deadening means from being damaged by the impact.

[0008]

EXAMPLES now be described with reference to an embodiment in which the present invention is applied to a chair type air massager in FIGS. In the figure, reference numeral 1 denotes a chair body, and the chair body 1 is a seat 2 as a body supporting portion provided substantially horizontally.
Provided located on opposite sides of the backrest 3 and the seat 2 as well body support portion provided in a predetermined angular inclination relative to the seat 2 disposed on the rear side of the seat 2 Armrest 4. The seat 2
Is provided with a U-shaped leg rest portion 5a which is located in front of and has an upwardly open U-shaped leg rest portion 5a.

[0009] Then, in the seat 2, compressed air becomes a soft member, that is, thighs bag body 6 and butt bag body 7 to expand and contract with the air supply and exhaust are disposed which has airtightness ing. Further, the backrest 3, the frame member 3a is provided with a supporting <br/> lifting the back, waist bag 8 inflated and deflated with and supported by the frame member 3a and the air supply and exhaust, a back A bag 9 and a neck / shoulder bag 10 are provided. Incidentally, the neck, shoulder bag body 10, the frame member 3a in the longitudinal direction of the longitudinally slidable while being pressed against the frame member 3a by a spring or the like (not shown) into the guide hole 11 of the formed long groove shape And at any position. The bags 6 to 9 are housed in an inner bag (not shown), and the inner bag is disposed on the seat 2 and the backrest 3. The inner bag is covered with a cover 12 such as cloth. .

Further, connecting portions 16 to 20 for connecting air hoses to be described later are connected to the bags 6 to 10, and the connecting portions 16 to 20 are connected to the respective bags 6 to 10.
The air is supplied and exhausted through the air.

A support leg 13 is provided below the armrests 4 of the chair body 1.
Is mounted with a support plate 14. An air compressor 30 as an air supply means is attached to the support plate 14 under the seat 2 . The air compressor 30 is provided with a conventionally known air distributor 31 including a rotary valve and the like. The air distributor 31 and the connecting portions 16 to 20 connected to the bags 6 to 10 are connected to each other by the air. They are connected by an air hose that forms a supply / exhaust passage. That is, as shown in FIG.
1 is not shown, but the connecting portions 18 to 20 of the bags 8 to 10 are connected to the air hose 3.
It is connected to the air distributor 31 by 8 to 40.

In the middle of the air hose 40, a silencing tank 50 as silencing means is provided with the frame member 3a.
Is fixedly attached to the fixing band 51. The sound deadening tank 50 is formed in a hollow cylindrical shape having an inner diameter much larger than the inner diameter of the air hose 40 . By air flowing through the air hose 40 during the air supply and exhaust to the neck, shoulder bag 10 flows into the silencer tank 50,
The Kyukion generated from the air compressor 30 when it is supplied from the air compressor 30, and the neck
When the air in the shoulder bag 10 is exhausted, the exhaust sound generated when the air is exhausted to the outside from the exhaust port (not shown) of the air distributor 31 via the air hose 40 is muted. As a result, the air supply / exhaust sound of the air transmitted to the neck / shoulder bag 10 can be reduced. The reason why the noise is silenced by providing a sound deadening tank 50 is believed to energy of the supply and exhaust sound propagated through the air hose 40 is made by being rapidly decaying within the silencer tank 50.

An air hose (not shown) connected to the other bags 6 and 7 other than the air hose 40 connected to the neck / shoulder bag 10 and air connected to the bags 8 and 9 are provided. No hoses 38, 39 are provided with silence tanks. However, since the bags 6 to 9 other than the neck / shoulder bag 10 are located away from the ears,
The sound of air supply and exhaust to the bodies 6 to 9 does not cause much discomfort to the user.

Although not shown, the chair main body 1 is provided with an operation panel provided with various operation buttons. By operating these operation buttons, air is supplied to and exhausted from the bags 6 to 10 to perform a massage operation. It has become so. Also,
Although not described, various massage modes such as a massage mode in which only a desired treatment portion is selected and a massage mode in which strength is selected in the same manner as in the related art are controlled by a control unit (not shown). .

Next, the operation of the chair type massage machine will be described. First, a desired massage mode is selected by operating an operation button on an operation panel (not shown), and the operation is started by operating an operation start button. Then, air is supplied and exhausted from the air compressor 30 to each of the bags 6 to 10 in accordance with the selected massage mode, so that the treatment target is massaged. Then, during this massage, when air is supplied to and exhausted from the neck / shoulder bag 10, an air supply sound generated from the air compressor 30 propagated through the air hose 40 and an air distributor 31.
Air exhaust sound neck-shoulder bag 10 resulting from the exhaust port, to be silenced by the silencer tank 50, the user can perform a massage without suffering the supply and exhaust sound generated during use Can be done.

Next, another embodiment of the muffling means will be described with reference to FIG.
It will be described based on. The same parts as those in the above embodiment are denoted by the same reference numerals, and description thereof will be omitted. As shown in FIG. 3, the silencing means of this other embodiment forms a closed box-shaped silencing chamber 60 below the inside of one armrest 4 of the chair main body 1 as shown in FIG. This is a muffling means. The two armrests 4 are thick wall portions 4 as shown in cross section of the other armrest 4 in FIG.
a of the silencing chamber 60 is formed by hollowing out the thick wall portion 4a.

Further, an intake connection pipe 61 and a discharge connection pipe 62 are provided on the side surface of the silencing chamber 60 on the side of the air compressor 30. The intake connection pipe 61 and the air distributor 3
1 is connected by an air hose 65 as an air supply / exhaust passage.
Are connected by an air hose 66 as an air supply / exhaust passage.

When the muffling chamber 60 is formed in the armrest portion 4 as described above, the interior of the armrest portion 4, which is originally a dead space, can be used, and the amount of protrusion to the outside can be reduced as compared with the above embodiment. Can be reduced, so that an unexpected impact from the outside can be prevented, and damage to the sound deadening chamber 60 can be prevented. In addition, since the air hose 65 that is provided near the air compressor 30 and connects the muffling chamber 60 and the air distributor 31 can be shortened, the connection can be made reliably and easily. That is,
Its air the air compressor 30 as shown in FIG. 3
By chromatography distributor 31 is provided so as to be positioned silencing chamber 60 side, the further can be shortened connecting air hose 65 to the muffler chamber 60 and the air distributor 31 can be reliably and easily formed.

Also, an intake connection pipe 61 and a discharge connection pipe 62 provided on the side of the silencing chamber 60 on the side of the air compressor 30.
Are located below the air hoses 65 and 66, the weight of the air hoses 65 and 66 added to the connection portions of the air hoses 65 and 66 with the intake connection pipe 61 and the discharge connection pipe 62 is small.
No. For this reason, a fixture for fixing the air hoses 65 and 66 is not required , so that the number of parts can be reduced and the number of assembly steps can be reduced. As a result, the cost can be reduced.

Although not shown in FIG. 3, the bags 6 to 9 in the above embodiment are provided similarly. Further, in FIG. 3, the silencing chamber 60 is formed by hollowing out the wall portion 4 a, but this may be configured to accommodate a separate silencing tank in the armrest portion 4 .

[0021]

According to the present invention having the above-described structure, the neck and the neck are provided by the silencing means provided in the air supply / exhaust passage.
When air is supplied / exhausted to the shoulder bag, the air supply / exhaust sound transmitted to the neck / shoulder bag through the air supply / exhaust passage is muted, so that massage can be performed without bothering the air supply / exhaust sound. In addition, since the muffling means is provided in the armrest of the chair body, the dead space in the armrest can be effectively used, and damage to the muffling means due to impact can be prevented.

[Brief description of the drawings]

FIG. 1 shows an embodiment in which the present invention is applied to a chair-type massage machine.
The perspective view which shows the whole of the chair main body of FIG.

FIG. 2 is a cross-sectional view of a part of the back side of the back portion of the chair body of the embodiment.

FIG. 3 is a diagram showing another embodiment of the sound deadening means of the present invention.

FIG. 4 is an overall perspective view of a conventional chair-type massage machine.

FIG. 5 is a cross-sectional view of a part of the back side of the back portion of the chair body of the conventional example .

[Description of Signs] 1 Chair main body 2 Seat 3 Backrest 4 Armrest 10 Neck / shoulder bag 30 Air compressor ( Air supply device ) 31 Air distributor ( Air supply device ) 60 Silencer (Muffler) 65 Air Hose (air supply / exhaust path) 66 Air hose (air supply / exhaust path)

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Hiromitsu Ichikawa 43, Horiyamashita, Hadano-shi, Kanagawa Prefecture Inside Tech Hadano Plant (72) Inventor Katsumi Inaba 43-Horiyamashita, Hadano-shi, Kanagawa Prefecture Inside Tech Hatano Plant, 56) References JP-A-6-335502 (JP, A) JP-A-6-335498 (JP, A) JP-A-59-154239 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , (DB name) A61H 7/00

Claims (1)

(57) [Claims] 1. A seat, a backrest, and both sides of said seat.
A chair main body having an armrest portion provided at a position, a neck / shoulder bag body provided at the backrest portion and expanded and contracted by air supply / exhaust air, and a neck / shoulder placed below the seat portion. an air supply device for supply and exhaust air to shoulder bag, and the air supply and exhaust passage for connecting communicating with the air supply device and the neck, shoulder bag body, der in supply and exhaust path of the air supply and exhaust passage
And a muffling means provided in the armrest portion.
Air massage machine characterized by that.