JP2002191656A - Air massager - Google Patents

Abstract

PROBLEM TO BE SOLVED: To maintain the cushioning property of an air massager after air massages, when the massager is used as a chair through effective use of air that was used for the air massages. SOLUTION: The air massager has a backrest portion 1 provided with a plurality of bags 2a and so forth each of which is inflated and deflated by the supply and discharge of air. Selector valves 4a and so forth are arranged in air supply paths extending from an air pump 3 to the bags 2a and so forth. An exhaust control means 5 is provided which opens all the selector valves 4a and so forth for a predetermined time after the end of air massages to exhaust air from the bags 2a and so forth and then closes all the selector valves 4a and so forth to stop exhaust.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air massage machine, and more particularly to a technique for effectively using air used for air massage to enhance cushioning when used as a chair, for example. is there.

[0002]

2. Description of the Related Art Conventionally, in an air massage machine provided with a plurality of bags that expand and contract by supplying and exhausting air in a backrest portion and a switching valve in an air supply path from an air pump to each bag, A switching valve that exhausts air from a plurality of bags is fixed to an exhaust state at the time of exhaustion.

[0003]

When the switching valve is fixed to the open state after the air massage as described above, when the air massage machine is used as a chair, the weight of the backrest is increased. In this case, the air inside the bag body incorporated in the backrest is exhausted, so that the cushioning property in the backrest is impaired.

[0004] The present invention has been made in view of such a problem, and air which can maintain cushioning when used as a chair by effectively utilizing air used for air massage after air massage is completed. It is an object to provide a massage machine.

[0005]

According to the first aspect of the present invention, a plurality of bags 2a... Which expand and contract by supply and exhaust of air are provided in the backrest portion 1, and air from the air pump 3 to each bag 2a. An air massage machine provided with switching valves 4a in the supply path, and after the air massage is completed, all switching valves 4a are opened for a predetermined time to exhaust air from the bag 2a, and then all the switching valves are opened. An exhaust control means 5 for closing the exhaust gas 4a to stop the exhaust is provided. According to such a configuration, after the end of the air massage, all the switching valves 4a are opened for a predetermined time to exhaust the air in the bags 2a, and then the switching valves 4a are opened.
By closing ..., it is possible to prevent the air remaining in the bag 2a from being exhausted further, and to use the backrest 1 as a chair when using it as a chair after air massage. In addition, cushioning properties can be maintained.

In the second aspect, after the exhaust control means 5 closes all the switching valves 4a to stop the exhaust,
Again, there is provided an air circulation means 6 for opening all the switching valves 4a... And allowing air to flow between all the bags 2a. According to such a configuration, the air inside the bags 2a ... after the air massage is evacuated, then the switching valves 4a ... are closed and the cushioning property is maintained by the sealed air inside the bags 2a ... And all the bags 2 by the air distribution means 6
a ... can be mutually allowed to flow air, so that the bags 2a can be deformed along the back according to the load applied to the bags 2a, and the back can be stably supported. Can be.

According to a third aspect of the present invention, in the exhaust control means 5, when the air is exhausted from each of the bags 2a after the end of the air massage, the air remains in each of the bags 2a. It is assumed that. According to such a configuration, air can be left in each of the bags 2a, and the cushioning function of the bags 2a can be made sufficient.

[0008]

Embodiments of the present invention will be described below. FIG. 1 is a schematic perspective view. FIG. 2 is a schematic side view. FIG. 3 is an explanatory diagram.

The massage machine A includes a seat 7 and a backrest 1.
And a chair comprising: A plurality of bags 2a, 2b, 2c are arranged inside the backrest 1, and an air pump 3 is connected to each bag 2a via an air supply path 8a. A switching valve 4a is provided in each air supply path 8a.

An operation signal from the operating device 10 is input to the control circuit 11, and the control signal from the control circuit 11 switches the switching valves 4a to supply and stop air to each of the bags 2a. The air massage can be performed by controlling the inflation / deflation time and pressure of each bag 2a, the selection of the bag 2a to be used, and the like.

A three-way valve 13 is provided in a path 12 between the air pump 3 and the branched air supply paths 8a. The three-way valve 13 is provided with an exhaust port 14 so that the exhaust from the bag 2a... Side can be exhausted to the atmosphere side by a control signal.

In the present invention, after the air massage is completed, all the switching valves 4a are opened for a predetermined time and the three-way valve 13 is switched to the exhaust side so that the bag 2a is exhausted from the three-way valve 13. , All switching valves 4a
Are closed and exhaust control means 5 for stopping the exhaust is provided. The configuration of the exhaust control means 5 can be changed in addition to the configuration using the switching valves 4a... And the three-way valve 13.

As described above, when the set air massage step is completed, the driving of the air pump 3 is stopped, the supply of air is stopped, and the exhaust port 14 of the three-way valve 13 is opened by a control signal from the control circuit 11. Then, the exhaust is performed from the side of the bag 2a, and thereafter, all the switching valves 4a are closed to stop the exhaust.

After the air massage is completed, all the switching valves 4a are opened for a predetermined time to exhaust the air in the bag bodies 2a, and then the switching valves 4a are closed, whereby the bag bodies 2a are closed. Since it is possible to prevent the air remaining inside the air from being exhausted further, and to use the chair as a chair after the air massage, the cushioning property can be maintained when the weight is applied to the backrest 1. is there. Reference numeral 9 denotes a drive block case.

FIG. 4 is an explanatory view showing another embodiment. However, the basic configuration of this embodiment is the same as that of the above-described embodiment, and the common parts are denoted by the same reference numerals. Is omitted.

In this embodiment, an exhaust valve 15 is connected to the exhaust port 14 side of the three-way valve 13.

That is, in the present embodiment, after the end of the air massage, all the switching valves 4a are opened for a predetermined time to exhaust the air in the bag bodies 2a.
By closing a ..., it is possible to prevent the air remaining in the bag 2a ... from being exhausted further, and when using it as a chair after air massage, the weight was applied to the backrest 1. In addition to the fact that the cushioning property can be maintained, the three-way valve 13 is closed, and all the switching valves 4a are opened again and the three-way valve 13 is closed, so that all the bags 2a are closed. In this configuration, air circulation can be made mutually possible. In this manner, a configuration that allows all the switching valves 4a to open and closes the three-way valve 13 to allow air to flow between the bags 2a is generically referred to as air distribution means 6, but the configuration is changed. Is what you can do.

As described above, the bag 2 after the air massage is performed.
a. The inside of the bag 2a is then evacuated, then the switching valve 4a is closed to maintain cushioning by the sealed air in the bag 2a. Since air can be allowed to flow through the bag 2a, the bag 2a can be deformed along the back according to the load applied to the bag 2a, and the back can be stably supported. is there.

[0019]

According to the first aspect of the present invention, the backrest portion is provided with a plurality of bags which expand and contract by supply and exhaust of air, and a switching valve is provided in an air supply path from the air pump to each bag. After exhausting air from the bag body by opening all the switching valves for a predetermined time after the end of the air massage, the exhaust control means for closing all the switching valves and stopping the exhaust is provided. After the end of the air massage, all the switching valves are opened for a predetermined time to exhaust the air in the bag, and then the switching valves are closed to prevent the air remaining in the bag from being exhausted further. If you use it as a chair after air massage, if you put weight on the back,
There is an advantage that cushioning properties can be maintained.

According to a second aspect of the present invention, in addition to the configuration of the first aspect, in the exhaust control means, after all the switching valves are closed and the exhaust is stopped, all the switching valves are opened again and all the bags are closed. In the above, since air circulation means for mutually allowing air to flow is provided, in addition to the effect of claim 1, air inside the bag after air massage is evacuated, and then the switching valve is closed to close the bag. While maintaining cushioning by the sealed air, all the bags can be allowed to circulate air to each other by the air circulating means, so that the bag follows the back according to the load applied to the bag. This has the advantage that the back can be stably supported.

According to a third aspect of the present invention, in addition to the configuration of the first aspect, when the air is exhausted from each of the bags after the end of the air massage, the air remains in each of the bags. Therefore, in addition to the effect of the first aspect, there is an advantage that air can be left in each bag, and the cushioning function of the bag can be sufficient.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of an embodiment of the present invention.

FIG. 2 is a schematic side view of the same.

FIG. 3 is a system diagram of the above.

FIG. 4 is a system diagram of another embodiment of the above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Backrest 2a Bag 2b Bag 2c Bag 3 Air pump 4a Switching valve 4b Switching valve 4c Switching valve 5 Exhaust control means 6 Air circulation means

Claims (3)

[Claims] 1. An air massage machine comprising: a plurality of bags that expand and contract by supply and exhaust of air at a backrest; and a switching valve provided in an air supply path from an air pump to each bag. An air massage machine characterized by comprising exhaust control means for opening all the switching valves for a predetermined time after the end of massage to exhaust air from the bag body, and then closing all the switching valves and stopping the exhaust. . 2. The exhaust control means, wherein all the switching valves are closed and the exhaust is stopped, and then all the switching valves are opened again to allow air to flow between all the bags. 2. The method according to claim 1, further comprising:
The described air massage machine. 3. The air massage machine according to claim 1, wherein the exhaust control means is configured such that when the air is exhausted from each of the bags after the end of the air massage, the air remains in each of the bags. .