JP2006262945A - Massage machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a massage machine with a rotatable seat part and a reclinable backrest, capable of preventing overturning by limiting the reclining angle of the backrest according to the direction of the seat part. <P>SOLUTION: The massage machine comprises the seat part 2, a base 6 grounded on the floor surface, support legs 5 disposed between the base and the seat part, and the reclinable backrest 3 attached to the seat part to be reclined with the power driving. Overturning of the massage machine is prevented by controlling/limiting the reclining angle of the backrest 3 according to the angle of rotation of the seat part 2 from a reference position. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  TECHNICAL FIELD The present invention relates to a rotatable seat, a reclining backrest, a reclining chair provided with a massage unit, and a massage machine provided with a massage unit on at least one of the seat and backrest of the reclining chair.

In this type of massage machine, the base that comes in contact with the floor surface extends long backward with respect to the seat. This is to prevent the massage machine from falling backward with the user when the backrest is tilted.
However, in the case of a massage machine that can rotate the seat in a plane parallel to the floor, the backrest also rotates together with the seat and does not correspond to the orientation of the base, and it is used when the backrest is tilted deeply There is a risk that the massage machine will fall with the person still on.
In order to solve the above problem, a massage machine has been proposed in which a stopper for restricting the rotation angle of the seat is provided in the rotation mechanism of the seat (Patent Document 1).

JP 2003-325619 A

In the case of the massage machine, even if the backrest is in an upright state and there is no risk of falling even if the seat is rotated, the seat cannot be rotated beyond the restricted range. Since the rotation angle range of the seat is narrow, there is a problem that the usability is poor.
The present invention relates to a massage machine that can solve the above problems.
The present invention can also be applied to a reclining chair that does not have a massage function to solve the same problem as described above.

  The massage machine according to claim 1 is a seat (2) rotatably supported on a base (6) that contacts the floor, and is tiltable with respect to the seat (2) and integrated with the seat (2). A rotatable backrest (3), a reclining drive for raising and lowering the backrest (3) with respect to the seat (2), and a massage unit provided on at least one of the seat (2) or the backrest (3) ( 4) in the massage machine (1), the sensor for detecting the tilt angle of the backrest (3), the sensor for detecting the rotation angle from the reference position of the seat (2), and both sensors electrically A controller (7) connected to control the reclining drive unit, and the controller (7) prevents the massage machine (1) from overturning according to the rotation angle from the reference position of the seat (2). Similarly, control is performed so as to limit the tilt angle of the backrest (3).

  Claim 2 is the massage machine (1) according to claim 1, wherein the seat (2) is rotated beyond the limit rotation angle of the seat (2) corresponding to the tilt angle of the backrest (3). The control unit performs control so that the backrest (3) is raised so as to be within the range of the limit tilt angle of the backrest (3) corresponding to the rotation angle from the reference position of the seat (2).

  The massage machine according to claim 3 comprises a seat (2) rotatably supported on a base (6) that contacts the floor, a seat rotation drive unit that rotates the seat (2), and a seat ( 2) a backrest (3) that can be tilted with respect to the seat and can rotate integrally with the seat, a reclining drive for raising and lowering the backrest (3) with respect to the seat (2), and a seat (2) or backrest ( 3) In the massage machine (1) provided with at least one of the massage units (4), the sensor for detecting the tilt angle of the backrest (3) and the rotation angle from the reference position of the seat (2) And a control unit (7) that is electrically connected to both sensors and controls the reclining drive unit. The control unit (7) is a massage machine (according to the tilt angle of the backrest (3)). 1) Control to limit the rotation angle from the reference position of the seat (2) so as to prevent falling. That.

  Claim 4 is the massage machine (1) according to any one of claims 1 to 3, wherein the backrest (3) is positioned behind the seat (2) in a state where the seat (2) is in the reference position. The base (6) extends rearward with respect to the seat (2) so as to prevent the massage machine (1) from tipping backwards even if the backrest (3) is fully pushed down.

  Claim 5 is a massage machine (1) according to any one of claims 1 to 4, wherein a support leg (5) is present between the base (6) and the seat (2). is there

  The recliner chair of claim 6 is a massage machine of claim 1, the recliner chair of claim 7 is a massage machine of claim 2, and the recliner of claim 8 is a massage machine of claim 3. It is just a reclining chair.

  The massage machine (1) according to claim 1, wherein the seat (2) is rotated from the reference position even if the backrest (3) is tilted, the backrest (3) corresponding to the rotation angle of the seat (2) If the limit tilt angle is exceeded, the tilting motion of the backrest (3) is stopped, so that the massage machine (1) can be prevented from falling.

  When the seat (2) is rotated with the backrest (3) tilted, the massage machine (1) according to claim 2 is moved from the reference position of the seat (2) corresponding to the tilt angle of the backrest (3). If the limit rotation angle is exceeded, the backrest (3) is raised to fall within the range of the limit tilt angle corresponding to the rotation angle from the reference position of the seat (2), thus preventing the massage machine (1) from falling it can.

  The massage machine (1) according to claim 3 can move from the reference position of the seat (2) corresponding to the tilt angle of the backrest (3) even if the seat (2) is rotated while the backrest (3) is tilted. If the limit rotation angle is exceeded, the rotation of the seat (2) is prevented, so that the massage machine (1) can be prevented from falling.

  In the massage machine (1) according to claim 4, the seat (2) is in the reference position, and the base (6) extends rearward with respect to the seat (2). There is no risk of falling backwards even if the limit is reached.

  Since the massage machine (1) according to claim 5 is a chair type, there is a great risk that the user will be injured when the massage machine (1) falls, but this can be avoided by preventing the fall.

  The recliner of claim 6 has the massage machine of claim 1, the recliner of claim 7 of the massage machine of claim 2, and the recliner of claim 8 of the massage machine of claim 3 has the presence or absence of the massage function. Other effects are the same, only the difference.

FIG. 1 is a side view of the massage machine (1), and FIG. 2 is a plan view.
The massage machine (1) of the embodiment is of a chair type, and supports a seat (2) on which a user is seated by a base (6) via a support leg (5). The seat (2) is connected to the support leg (5) through a rotation mechanism (51) using a rotation support member such as a bearing for supporting a thrust load and a radial load, as shown by arrows B and C in FIG. In addition, the base (6) can rotate in a plane parallel to the floor surface F to be grounded.
A reclining backrest (3) is provided at the rear of the seat (2).
The seat part (2) is rotated by the user himself, and the backrest (3) is reclined by power drive.
A massage unit (4) is provided on at least one of the seat (2) or the backrest (3).
Armrests (21) and (21) are provided on the left and right sides of the seat (2).

The said massage unit (4) is a well-known thing which provides a user with at least any one of mechanical kneading, a hit, and a vibration.
In the embodiment, auxiliary massage means (not shown) for pressurizing the user's arms and legs with air pressure by an air bag is also provided.

The base (6) of the embodiment is formed in a substantially H shape by connecting two parallel rods (61) and (61) with a connecting member (62), and a support leg (5) on the connecting member (62). Is located.
The parallel rods 61 and 61 of the base 6 extend longer to the rear than the front with respect to the support leg 5. That is, the base (6) extends long backward to the seat (2).

In the following description, “the backrest falls down” means that the standing backrest (3) shown by the solid line in FIG. 1 is slightly increased with respect to the seat (2) as shown by the arrow A. It does n’t mean it ’s going to fall to the limit.
The reference position of the seat (2) in FIG. 2 is that the seat (2) faces forward and the backrest (3) faces rearward with respect to the longitudinal direction of the base (6), and the seat (2) and The width center line L1 of the backrest (3) is aligned with the width center line L2 of the base (6).
Further, “rotation of the seat portion” may be rotated in any direction of arrows B and C in FIG.

  The backrest (3) is connected to a reclining drive unit (not shown). The reclining drive unit is a known mechanism that drives the standing backrest (3) in the direction of tilting and raising.

The massage unit (4) is connected to a massage unit drive unit (not shown).
The auxiliary massage means is linked to an air unit driving unit (not shown).

A backrest tilt angle sensor (not shown) for detecting the tilt angle of the backrest (3) is connected to the backrest (3) or the reclining drive unit.
A seat portion rotation angle sensor (not shown) for detecting the rotation angle of the seat portion (2) from the reference position is connected to the seat portion (2).

  A potentiometer, a rotary encoder, or the like can be used as the backrest tilt angle sensor and the seat rotation angle sensor.

  The reclining drive unit, the massage unit drive unit, the air unit drive unit, the backrest tilt angle sensor, the seat rotation angle sensor, and the control unit (7) described later are all built in the massage machine (1).

  The massage machine (1) is provided with a remote controller (8) for the user to remotely control its functions. As shown in FIG. 3, the remote controller (8) includes an air unit operation instruction section and a reclining operation. An instruction unit and a massage operation instruction unit are provided.

The remote controller (8), the back tilt angle sensor, and the seat rotation angle sensor are electrically connected to a control unit (7) having a microcomputer, and the control unit (7) includes the reclining drive unit, The massage drive unit and the air unit drive unit are controlled.
Based on the shape of the base (6), the microcomputer of the control unit may cause the massage machine to fall over when the tilt angle of the backrest (3) is changed at every rotation angle from the reference position of the seat (2). I remember the limit angle of tilt.
The microcomputer includes a comparison circuit that reads angle signals from the back tilt angle sensor and the seat rotation angle sensor and compares the read angle signals with the limit tilt angle.

Next, the case where the reclining operation instruction unit instructs to tilt the backrest will be described with reference to the flowchart of FIG.
In S1, it is determined whether or not there is an instruction to tilt the backrest (3) from the reclining operation instruction section. If there is an instruction, the limit tilt angle of the backrest (3) corresponding to the rotation angle from the current reference position of the seat (2) is read in S2. The limit tilt angle read in S3 and the current tilt angle of the backrest (3) are compared. If the tilt angle of the current backrest (3) is within the limit angle (less than), the reclining drive unit is set in S4. , The output which defeats the backrest is performed, and the process returns to S1.
If there is no instruction to tilt the backrest (3) in S1, or if the current tilting angle of the backrest (3) exceeds the limit angle in S3, the process returns to S1.
If the backrest (3) falls more than the limit tilting angle of the backrest (3) corresponding to the rotation angle of the seat (2), further tilting is prevented, so that the massage machine (1) can be prevented from falling. .

Next, a case where the user rotates the seat (2) will be described with reference to the flowchart of FIG.
In S1, the limit tilt angle of the backrest (3) corresponding to the current rotation angle of the seat is read. In S2, a change in the rotation angle of the seat (2) is determined. If the rotation angle has changed, the limit tilt angle of the backrest (3) is read again and updated in S3.
If not, the process proceeds to S4. In S4, the current tilt angle of the backrest (3) is compared with the read limit tilt angle. If the limit tilt angle is exceeded, an output that causes the reclining drive unit to cause the back tilt is performed in S5, and the process proceeds to S2. To do. If it is within the limit angle in S4, the process returns to S2.
When the rotation of the seat (2) exceeds the limit rotation angle of the seat (2) corresponding to the tilt angle of the back (3), the back (3) rotates from the reference position of the seat (2). Since it is raised so as to be within the range of the limit falling angle corresponding to the angle, it is possible to prevent the massage machine (1) from falling.

  By the control as described above, in the present invention, even if the backrest (3) of the massage machine (1) with the seat (2) rotated from the reference position is tilted, the backrest (3) is also tilted. Even if the machine (1) is rotated, it can be prevented from falling due to the unbalance of the center of gravity.

In the implementation of the present invention, the seat (2) is also driven by power like the backrest (3), and the controller (7) is moved from the reference position of the seat (2) according to the tilt angle of the backrest (3). The rotation angle of the massage machine (1) can also be prevented by limiting the rotation angle.
In this case, the seat rotation drive unit is connected to the seat unit (2), and as shown by the two-dot chain line in FIG. 3, the remote controller (8) is provided with a seat rotation operation instruction unit, An instruction is sent to the seat rotation driving unit.
The control will be described with reference to the flowchart of FIG.

In S1, it is determined whether or not there is an instruction to rotate the seat (2) from the seat rotation operation instruction unit. If there is an instruction, the limit rotation angle of the seat (2) corresponding to the current tilt angle of the backrest (3) is read in S2. The limited rotation angle of the seat (2) read in S3 is compared with the rotation angle from the reference position of the current seat (2), and if the current rotation angle is within the limit rotation angle (less than) In S4, an output for rotating the seat portion (2) in the instructed direction is given to the seat portion rotation driving portion, and the process returns to S1.
If the current rotation angle of the seat (2) exceeds the limit rotation angle in S3, the process returns to S1 without rotating the seat (2).
Even if the seat (2) is rotated with the backrest (3) tilted, as soon as it exceeds the limit rotation angle from the reference position of the seat (2) corresponding to the tilt angle of the backrest (3), Since the rotation of the seat (2) in the designated direction is prevented, the massage machine (1) can be prevented from falling.

  Although the massage machine has been described above, the present invention is applied to a simple reclining chair that does not include a massage unit in the seat (2) and the backrest (3), and when the backrest is tilted in the same manner as described above. Of course, it can prevent falling.

  The above description of the embodiments is for explaining the present invention, and should not be construed as limiting the invention described in the claims or reducing the scope thereof. In addition, the configuration of each part of the present invention is not limited to the above embodiment, and various modifications can be made within the technical scope described in the claims.

  For example, when the backrest (3) of the massage machine or chair that is rotated and stopped with respect to the reference position is tilted, the seat (2) approaches the reference position according to the tilt angle of the backrest (3). It is also possible to perform control so as to prevent the massage machine and the chair from falling over by rotating in reverse.

  In addition, in the chair type massage machine of the embodiment, the backrest (3) is attached to the seat (2) so as to be able to recline, but the backrest (3) other than the seat (2), such as the armrest (21) (21), etc. It is also possible to mount it up and down on a member that rotates integrally with the seat (2).

  The present invention is not limited to a chair-type massage machine, and the seat leg (2) can be rotated directly on the base (6) by omitting the support leg (5), and a chair-type massage machine, Of course, it can be applied to a simple chair without function.

It is a side view of a massage machine. It is a top view of a massage machine. It is a control block diagram. It is a flowchart which shows the control when defeating a backrest. It is a control flowchart with respect to the backrest when rotating a seat part. It is a control flowchart with respect to the backrest when rotating a seat part by power drive.

Explanation of symbols

1 Massage Machine 2 Seat 3 Backrest 4 Massage Unit 5 Support Leg 6 Base

Claims (8)

  A seat that is rotatably supported on a base that is in contact with the floor; a backrest that is tiltable with respect to the seat and that can rotate integrally with the seat; and a reclining drive unit that raises and lowers the backrest relative to the seat. In a massage machine comprising a massage unit provided on at least one of the seat or the backrest, a sensor for detecting the tilt angle of the backrest, a sensor for detecting the rotation angle from the reference position of the seat, and both sensors A control unit that is electrically connected to control the reclining drive unit. The control unit limits the tilt angle of the backrest to prevent the massage machine from falling according to the rotation angle from the reference position of the seat. Massage machine to control as you do.   When the seat is rotated beyond the limit rotation angle of the seat corresponding to the tilt angle of the backrest, the control unit falls within the range of the limit tilt angle of the backrest corresponding to the rotation angle from the reference position of the seat. The massage machine according to claim 1, wherein the massage machine is controlled to raise the back.   A seat part rotatably supported on a base that contacts the floor, a seat part rotation drive part that rotates the seat part, a backrest that can tilt relative to the seat part and that can rotate integrally with the seat part, and the backrest A sensor for detecting a tilt angle of the backrest, and a reference position of the seat portion, in a massage machine comprising a reclining drive portion that raises and lowers the seat portion, and a massage unit provided on at least one of the seat portion and the backrest A sensor that detects the rotation angle of the body and a control unit that is electrically connected to both sensors and controls the reclining drive unit. The control unit prevents the massage machine from falling according to the tilt angle of the backrest. The massage machine is controlled to limit the rotation angle from the reference position of the seat.   With the seat in the reference position, the backrest is located behind the seat, and the base is located behind the seat so that the back of the massage machine is prevented from tipping over even if the backrest is fully pushed down. The massage machine according to any one of claims 1 to 3, which extends long.   The massage machine according to any one of claims 1 to 4, wherein the massage machine is a chair type massage machine in which a support leg exists between the base and the seat.   A seat that is rotatably supported on a base that is in contact with the floor; a backrest that is tiltable with respect to the seat and that can rotate integrally with the seat; and a reclining drive unit that raises and lowers the backrest relative to the seat. A sensor for detecting a tilt angle of a backrest, a sensor for detecting a rotation angle from a reference position of a seat, and a control unit that is electrically connected to both sensors and controls a reclining drive unit. The control unit is a reclining chair that controls to limit the tilt angle of the backrest so as to prevent the chair from falling over according to the rotation angle from the reference position of the seat.   When the seat is rotated beyond the limit rotation angle of the seat corresponding to the tilt angle of the backrest, the control unit falls within the range of the limit tilt angle of the backrest corresponding to the rotation angle from the reference position of the seat. Similarly, the reclining chair according to claim 6, which is controlled to raise the backrest.   A seat portion rotatably supported on a base that contacts the floor, a seat portion rotation driving portion that rotates the seat portion, a backrest that can tilt with respect to the seat portion and that can rotate integrally with the seat portion, and the backrest In a reclining chair comprising a reclining drive unit that raises and lowers the seat, a sensor that detects the tilt angle of the backrest, a sensor that detects the rotation angle from the reference position of the seat, and both sensors electrically And a control unit that controls the reclining drive unit, and the control unit controls the rotation angle from the reference position of the seat so as to prevent the chair from falling over according to the tilt angle of the backrest. Reclining chair.

Images