JP4630714B2 - Chair type massage machine - Google Patents

Description

  The present invention relates to a chair-type massage machine.

2. Description of the Related Art Conventionally, there is a chair-type massage machine that includes a base portion that has a seat portion and is placed on a floor surface, a backrest portion, and a footrest portion. In such a chair-type massage machine, when the backrest part is reclined back to a tilted state, the center of gravity position of the upper body of the user and the center of gravity position of the backrest part of the massage machine move backward. Thereby, the moment of the direction which a massage machine tries to fall backward acts on the back end part of the leg part which touches the floor surface among base parts, and it will be in an unstable state back.
Therefore, as shown in Patent Document 1, there is a chair-type massage machine in which the backrest part moves backward and the seat part moves forward to make it difficult to move the center of gravity backward. .

The massage machine described in Patent Document 1 includes a fir ball (treatment element) as a massage tool for applying massage to a user, and this fir ball is provided by a motor and a link mechanism operated by the motor. The massager can be massaged by moving it back and forth, moving left and right, moving up and down, and vibrating. In this massage machine, the fir ball, the motor, and the link mechanism are provided in the backrest, but the same can be provided in the seat. A drive control unit such as a power supply unit or a transformer that receives electric power from the outside in order to move the fir ball motor, or a control device for causing the fir ball to perform a predetermined operation is arranged on the base unit side at the lower part of the seat unit. It is fixed to.
And cables for supplying electric power or transmitting a control signal for operation are connected between the drive control unit and the massage device (such as a motor for driving the fir ball).
The massage machine described in Patent Document 1 is fixed to the seat portion, the backrest portion, and the base portion because the seat portion moves in the front-rear direction, and the backrest portion also rotates in the lower portion and is displaced back and forth. The distance to the drive control unit will change. Therefore, in order to give the cables provided between the massage device provided in the seat part and the backrest part and the drive control part as a whole, the cable is greatly bent in the middle part of the cables ( Need to be wired.

Japanese Patent Laid-Open No. 10-262780

In the massage machine described in Patent Document 1, since the drive control unit including the power source unit is fixed to the base unit side in a fixed state with respect to the floor surface, the backrest unit and the seat unit are front and rear. By moving, the cables need to be bent in advance. In other words, the cables are made elastic as a whole by curving them in the middle. As a result, a space for accommodating the curved cables is required. When the massage tool is provided also in the backrest part, the seat part, and the footrest part, the cables are further increased, and the accommodation space is further increased.
In addition, although the massage tool of the massage machine of patent document 1 is based on a fir ball, a massage tool is comprised by the air cell which expands / contracts by supply / exhaust of air, and there are a plurality of air cells in each of the backrest portion and the seat portion. When a pump and a valve for supplying air to these air cells are provided in a fixed state on the base portion side, a large number of air pipes exist. Therefore, it is necessary to provide these air pipes in a curved manner (similar to the above-mentioned cables), and there is a possibility that the accommodation space for that will become very large. As a result, there is a problem that the chair type massage machine becomes large.

  Therefore, the present invention has been made in view of the above problems, and even if the backrest portion falls back, the center of gravity position can be prevented from moving backward, and the downsizing can be achieved. It aims at providing the chair type massage machine which can be planned.

In order to achieve the above object, a chair type massage machine according to the present invention has a base portion placed on a floor surface, a seat portion that is movable back and forth with respect to the base portion, and a lower side. A backrest portion that is pivotable so as to rotate between an upright state and a rearward tilted state, a massage device provided at least in the backrest portion , and the backrest portion in the rearward tilted state and the seat portion An actuating mechanism for moving the massage device forward, and a housing part for housing the device for operating the massage tool below the seat part and being movable back and forth with the seat part , The device for operating the tool has a power unit, a control device, and an air pipe, and the air pipe disposed between the massage tool and the power unit has the backrest part and the seat part in common. When pivoted against moving and seat, it is characterized in that it is configured to bend only in the housing portion.

According to such a configuration, since the seat moves forward when the backrest is tilted backward by the operating mechanism, the center of gravity position of the upper body of the user and the center of gravity of the backrest are rearward by the reclining of the backrest. Can be suppressed.
Furthermore, when the backrest part reclines and the seat part moves forward, the housing part that houses the device for operating the massage tool moves forward together with the seat part. The change in the relative distance from the part can be small. Therefore, it is not necessary to arrange a curved member such as a pipe or a cable that is required between the device for operating the massage tool and the massage tool.

Moreover, the said seat part has a seat part main body which has a seat surface, and the seat part frame which attaches this seat part main body, It is preferable that the said accommodating part is connected and fixed to the said seat part frame.
According to this structure, an accommodating part can be moved with a seat part by simple structure.

  The actuating mechanism is attached between the seat member and the backrest part so that the backrest part is rotatably attached to the seat part, and the backrest part is attached to the seat part by an expansion / contraction operation. Telescopic actuator that rotates and a connecting arm member that is provided between the backrest portion and the base portion and rotates to the backward tilted state while moving the backrest portion forward with respect to the base portion. And can be configured.

  In addition, the front portion of the seat portion includes a footrest portion that is pivotable about the upper side and pivots between a suspended state and a forward protruding state, and the backrest portion is in the rearward tilted state. It is preferable to provide an interlocking mechanism for moving the footrest part from a suspended state to a forward projecting state. According to this configuration, when the backrest part falls down, the footrest part rises in a forward projecting shape, so that the user can lie down on his back without any difficulty.

  Further, the backrest part includes a frame member having a part that moves forward when the backrest part falls backward, and the interlocking mechanism is provided between the frame member and the footrest part. Then, the frame member can be configured by an interlocking arm member that lifts the footrest portion from a suspended state to a forward projecting state by moving the frame member forward.

  The massage device is composed of an air cell that expands and contracts by supplying and discharging air, and the air cell and a device for operating the air cell housed in the housing portion have flexibility. It is connected by. As a result, when the backrest part falls backward, the seat part moves forward, and the housing part that houses the device for operating the air cell moves forward. It is not necessary to have it, and it is not necessary to provide the air pipe with a large curvature. That is, even if many air pipes are provided, the space for the pipes can be small. That is, many air cells can be provided.

  According to the chair type massage machine of the present invention, it is possible to prevent the center of gravity from moving backward even when the backrest portion falls back, and a chair type massage machine with a sense of stability can be obtained. Furthermore, the massage machine can be made more compact.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a perspective view showing a chair type massage machine according to an embodiment of the present invention, FIGS. 2 and 3 are perspective views showing a frame inside thereof, and FIGS. 4 and 5 are side views thereof. It is.
This chair-type massage machine includes a base portion 1 placed on the floor, a seat portion 2 supported by the base portion 1, and a backrest portion 3 provided at the rear portion of the seat portion 2. The footrest part 4 provided in the front part of the seat part 2 is provided.

  The backrest 3 is pivotable about its lower side, and can pivot between the standing state of FIGS. 2 and 4 and the rearward tilted state of FIGS. 3 and 5. Moreover, the footrest part 4 can be rotated centering on the upper part side, and can rotate between the hanging state of FIG. 2 and FIG. 4 and the front protrusion state of FIG. 3 and FIG. That is, at the same time when the backrest part 3 falls backward, the footrest part 4 rotates and assumes a horizontal posture. Furthermore, although this chair type massage machine is demonstrated in detail later, the seat part 3 will move ahead with respect to the base part 1 simultaneously with the backrest part 3 falling down backward.

A massage tool 5 is provided on the seat portion 2, the backrest portion 3 and the footrest portion 4 of the chair-type massage machine to massage the user. The massage tool 5 may be provided on at least one of the seat part 2, the backrest part 3, and the footrest part 4.
The massage device 5 is composed of an air cell 9 that expands and contracts by supplying and discharging air, and a plurality of air cells 9 (see FIG. 1) are provided on each of the seat 2, the backrest 3, and the footrest 4. It has been.

  Devices such as pumps and valves (hereinafter referred to as power unit U) for operating the air cell 9 as the massage device 5 are accommodated in an accommodating portion 7 provided below the seat portion 2. The power unit U and each air cell 9 are connected by an air pipe P as shown in FIGS.

The power unit U will be described with reference to FIGS. 1 and 6. The power unit U includes two pumps 14a and 14b, a solenoid valve 15a for the air cell 9a of the seat 2, and a solenoid valve for the air cell 9b of the backrest 3. 15 b and a solenoid valve 15 c for the air cell 9 c of the footrest portion 4.
The solenoid valve 15a for the seat part 2 has two discharge ports, and an air pipe Pa is connected to each, and the air pipe Pa is connected to an air cell 9a provided in the seat part 2. The solenoid valve 15b for the backrest part 3 has four discharge ports, each of which is connected to an air pipe Pb. The air pipe Pb is connected to an air cell 9b provided in the backrest part 3. One of the four air pipes Pb is connected to an air cell 9b provided in a headrest portion 16 (portion corresponding to the neck and shoulder of the user) of the backrest portion 3. The solenoid valve 15c for the footrest part 4 has two units and has a total of four discharge ports, to which an air pipe Pc is connected, and the air pipe Pc is connected to an air cell 9c provided in the footrest part 4. ing. Therefore, the power unit U includes a total of ten air pipes P for the air cell 9a of the seat portion 2, the air cell 9b of the backrest portion 3, and the air cell 9c of the footrest portion 4. The number of pumps 14, the number of solenoid valves 15, and the number of air pipes P (the number of air cells 9) are not limited to this, and can be changed.

  Further, the control unit F is accommodated together with the power unit U in the accommodating portion 7 provided below the seat portion 2. The control device F includes a transformer, a control base, and the like, and is for rotating the backrest portion 3 and the footrest portion 4 and transmitting an operation signal to the power unit U.

  The frame structure of the chair-type massage machine will be described. As shown in FIGS. 2 to 5, the base unit 1 is a pair of left and right leg frames that are placed on the floor and fixed to the floor. 17 and connecting rods 18a and 18b connecting these left and right leg frames 17, and a linear guide rail member 19 fixed to the upper part of each leg frame 17 with the horizontal front-rear direction as the longitudinal direction. Yes. Each guide rail member 19 is comprised from the lower wall, the side wall, and the upper wall, and a pair of guide rail member 19 is arrange | positioned in parallel. The guide rail member 19 is a member that supports a seat frame 11 of the seat 2 described later so as to be movable in the front-rear direction.

  The seat portion 2 includes a cushion seat portion main body 10 (see FIG. 1) having a seat surface 10a, and a seat portion frame 11 to which the seat portion main body 10 is attached. The seat frame 11 is a rectangular frame member and is attached to the lower portion of the seat body 10 in a horizontal shape. The seat frame 11 has side frames 20 on both the left and right sides, a front frame 29, and a rear frame 35. A plurality of rollers are attached to each of the pair of left and right side frames 20. These rollers can roll along the guide rail member 19, and the seat frame 11 can move in the front-rear direction. . That is, the seat 2 can be moved back and forth with respect to the base 1.

  The backrest part 3 has a backrest part main body 22 (see FIG. 1) having cushioning properties and a backrest part frame 23 to which the backrest part main body 22 is attached. The backrest frame 23 includes left and right side frames 21, a left and right horizontal connection frame 24 connecting the pair of side frames 21 at the upper part (front part), and a pair of side frames 21 at the lower part. It has a curved connecting frame 25 connected at (base). The backrest frame 23 is pivotally attached to the rear portion of the side frame 20 of the seat frame 11 around the lower end (base end) of the side frame 21. Thereby, the backrest part 3 can be rotated centering on a lower part side, and the backrest part 3 can be rotated between a standing state and a back-falling state.

  The curved connecting frame 25 of the backrest part frame 23 has a part that moves forward by rotation when the backrest part 3 changes from the upright state to the backwardly tilted state. That is, the curved connecting frame 25 is continuously bent in the lateral direction while extending from the fixing portion with the side frame 21 to the rear side (left and right) with the backrest portion 3 in the standing state (the state of FIG. 2). The curved portion 25a is composed of a straight portion 25b that connects the left and right curved portions 25a. The curved connecting frame 25 is parallel to a pair of parallel left and right side frames 21 (longitudinal direction of the side frames 21). It is fixed to the side frame 21 so as to intersect at a predetermined angle (a right angle in FIG. 4). As a result, when the backrest 3 is rotated from the standing state to the rearward inclined state, the straight portion 25b of the curved connecting frame 25 moves forward although the locus is an arc in a side view.

  The footrest part 4 has a footrest part body 26 (see FIG. 1) having cushioning properties and a footrest part frame 27 to which the footrest part body 26 is attached. The footrest part frame 27 is a rectangular frame member, and the footrest part frame 27 is rotatably attached to the front part of the seat part frame 11 with its upper part (base end part) as a center. Thereby, the footrest part 4 can be rotated centering on the upper side, and can be rotated between the hanging state and the forward projecting state of FIG.

  The accommodating portion 7 is a portion that accommodates a pump and a valve for operating the air cell 9, and is a box member that opens upward and rearward. The accommodating portion 7 is connected and fixed to the seat frame 11 below, and specifically, the upper portion of the side wall 7 a of the accommodating portion 7 is fixed to the side frame 20 of the seat frame 11. Thereby, the seat part frame 11 moves in the front-rear direction along the guide rail member 19, so that the accommodating part 7 moves together in the front-rear direction.

  The chair-type massage machine of the present invention can move the seat 2 forward when the backrest 3 is changed from the standing state to the backward-tilted state, and this operation is performed by the operation mechanism 6. The actuating mechanism 6 includes a mounting member 28 that rotatably attaches the backrest frame 23 to the seat frame 11, a telescopic actuator 12 that is mounted between the seat frame 11 and the backrest frame 23, and a backrest. The connecting arm member 13 is provided between the part frame 23 and the leg frame 17 of the base part 1.

  The backrest frame 23 is mounted on a vertical plate-shaped mounting plate fixed to the seat frame 11 with a shaft interposed therebetween, and the mounting plate and the shaft serve as a mounting member 28. Note that the side frame 21 of the backrest frame 23 may be directly attached to the side frame 20 of the seat frame 11 without the mounting plate.

  The telescopic actuator 12 is, for example, an air cylinder, one end of which is attached to the front frame 29 of the seat frame 11 via a bracket (not shown), and the other end is a curved connecting frame that the backrest frame 23 has. It is attached to 25 straight portions 25 via brackets 30. Therefore, when the telescopic actuator 12 is extended, the backrest frame 23 stands with respect to the seat frame 11, and when it is contracted, the backrest frame 23 falls backward.

  The connecting arm member 13 is a linear member and is provided on each of the left and right sides. The connecting arm member 13 is rotated at one end of the connecting arm member 13 in the middle of the side frame 21 of the backrest frame 23. It is attached so that it can move, and is attached to the attachment plate 31 fixed to the leg frame 17 of the base part 1 at the other end so as to be rotatable. That is, the connecting arm member 13 is rotatable with respect to the base portion 1. Thereby, in the backrest part frame 23 attached to the one end part of the connection arm member 13, the attachment part side with the seat part frame 11 can move to the front-back direction with respect to the base part 1, and the whole is standing state and back It is possible to rotate between the collapsed states.

As described above, the base portion 1 includes the guide rail member 19 in the horizontal front-rear direction, the seat frame 11 can be moved back and forth along the guide rail member 19, and the backrest frame 23 is seated at the lower portion thereof. The backrest frame 23 is rotatably attached to the base frame 1 via the connecting arm member 13 in the middle of the height direction. And the connection part between this seat part frame 11 and the backrest part frame 23 can move to the front-back direction with respect to the base part 1, Thereby, the backrest part by which operation | movement is restrict | limited by the connection arm member 13 is possible. 3 can rotate.
As a result, the operating mechanism 6 can cause the backrest 3 to fall backward and move the seat 2 forward, and can also cause the backrest 3 to stand up and move the seat 2 backward. Can do.

  Furthermore, the chair type massage machine of the present invention can move the seat part 2 forward and the footrest part 4 from the suspended state to the forward projecting state when the backrest part 3 changes from the standing state to the backwardly inclined state. Yes, this operation is performed by the interlocking mechanism 8. The interlocking mechanism 8 can be configured by an interlocking arm member 33 provided between the backrest part frame 23 and the footrest part frame 27.

The interlocking arm member 33 is a linear member, and at one end thereof, the interlocking arm member 33 is rotatably attached to a bracket 32 fixed to the curved connecting frame 25 of the backrest portion frame 23, and at the other end, a footrest portion. The frame 27 is rotatably attached to the middle part of the connecting frame 34 in the front-rear direction.
As a result, when the telescopic actuator 12 is contracted and pivoted in the direction in which the backrest portion 3 is tilted, and the linear portion 25a of the curved connecting frame 25 moves forward, the interlocking arm member 33 projects the footrest portion 4 forward from the suspended state. Can be lifted to the state.

  As described above, according to the chair type massage machine of the present invention, when the backrest part 3 is tilted backward, the seat part 2 moves forward. By the reclining of 3, it can suppress moving back. Thereby, it can suppress that the moment of the direction which tries to fall backward increases, and the stability of a chair type massage machine increases. Furthermore, the lower part of the backrest part 3 is connected with the rear part of the seat part 2, and does not produce a clearance gap between these.

Further, as devices accommodated in the accommodating portion 7, there are a power unit U (pump 14 and valve 15) for operating the air cell 9 and a control device F (such as a transformer), and the telescopic actuator 12 is also accommodated in the accommodating portion. Since it is arrange | positioned in 7, the weight in the accommodating part 7 becomes large.
However, according to this chair type massage machine, when the backrest part 3 falls backward, the accommodating part 7 moves forward together with the seat part 2, and further, the telescopic actuator 12 moves forward together with the seat part 2. Therefore, even if the weight of the device accommodated in the accommodating portion 7 increases, the position of the center of gravity of the accommodating portion 7 also moves forward. As a result, the center of gravity of the chair type massage machine is further forward, making it more stable.

Furthermore, when the seat part 2, the backrest part 3 and the footrest part 4 move back and forth, the storage part 7 moves together with them by the same amount of movement in the front-rear direction. No change in relative distance.
Therefore, as shown in FIGS. 4 and 5, the air pipes Pa, which are disposed between the air cells 9 a and 9 c provided in the seat 2 and the footrest 4 and the power unit U in the housing 7. Even if the backrest 3 rotates and the seat 2 moves horizontally, Pc can maintain the posture as it is. Further, even if the backrest 3 moves forward together with the seat 2 and rotates with respect to the seat 2, the air pipe disposed between the air cell 9c provided in the backrest 3 and the power unit U. Pb can follow the movement by bending (bending) only in the accommodating portion 7.
That is, these air pipes P do not need to have elasticity as a whole, and the air pipes P do not need to be greatly curved. Therefore, no space is required for this purpose. Furthermore, even if there are many air pipes P, the space for the pipes can be small. As a result, the chair type massage machine can be made compact.

  In addition, the chair type massage machine of the present invention is not limited to the illustrated form, and may be of other forms within the scope of the present invention. The telescopic actuator 12 is not illustrated, but is rotated by the electric motor. Then, it may be constituted by a male threaded rod that advances and retreats. Moreover, in addition to the massage tool 5 consisting only of the air cell 9, a fir ball may be provided at the same time.

It is a perspective view which shows the chair type massage machine which concerns on one Embodiment of this invention. It is a perspective view which shows the flame | frame inside a chair type massage machine, and a backrest part exists in a standing state. It is a perspective view which shows the flame | frame inside a chair type massage machine, and a backrest part exists in the back fall state. FIG. 3 is a side view of FIG. 2. FIG. 4 is a side view of FIG. 3. It is a top view of the frame for demonstrating the apparatus in a accommodating part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Base part 2 Seat part 3 Backrest part 4 Footrest part 5 Massage tool 6 Actuation mechanism 7 Storage part 8 Interlocking mechanism 9 Air cell 10 Seating part main body 10a Seating surface 11 Seating part frame 12 Telescopic actuator 13 Connecting arm member 28 Mounting member 33 Interlocking arm Member P Air piping

Claims (6)

A base that is placed on the floor,
A seat that is movable back and forth with respect to the base,
A backrest that is pivotable about the lower side and pivots between an upright state and a back-down state;
A massage device provided on at least the back portion,
An actuating mechanism for causing the backrest portion to fall back and moving the seat portion forward;
A device for operating the massage device is housed below the seat portion, and has a housing portion that is movable back and forth with the seat portion ,
The device for operating the massage device has a power unit, a control device, and air piping,
The air pipe disposed between the massage device and the power unit is configured to bend only within the housing portion when the backrest portion moves together with the seat portion and rotates with respect to the seat portion. chair-type massage machine, characterized in that there.
  The chair according to claim 1, wherein the seat includes a seat body having a seat surface and a seat frame to which the seat body is attached, and the housing is connected and fixed to the seat frame. Type massage machine.   The actuating mechanism is attached between the seat member and the backrest part so that the backrest part is rotatably attached to the seat part, and the backrest part is attached to the seat part by an expansion / contraction operation. Telescopic actuator that rotates and a connecting arm member that is provided between the backrest portion and the base portion and rotates to the backward tilted state while moving the backrest portion forward with respect to the base portion. And a chair type massage machine according to claim 1 or 2.   The front portion of the seat portion is provided with a footrest portion that is rotatable about the upper side and rotates between a suspended state and a forward projecting state, and when the backrest portion is in the backward tilted state, The chair type massage machine as described in any one of Claims 1-3 provided with the interlocking mechanism which makes a footrest part a front protrusion state from a drooping state.   The backrest portion includes a frame member having a portion that moves forward when the backrest portion is tilted backward, and the interlocking mechanism is provided between the frame member and the footrest portion, and The chair type massage machine according to claim 4, further comprising an interlocking arm member that lifts the footrest portion from a suspended state to a forward projecting state by moving the member forward.   The massage device is composed of an air cell that expands and contracts when air is supplied and discharged, and the air cell is connected to a device that is housed in the housing portion and operates the air cell by a flexible air pipe. The chair type massage machine as described in any one of Claims 1-5.

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