JP2003070859A - Armchair type massaging machine with built-in vibrator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an armchair type massaging machine with built-in vibrator that can simultaneously massage the fore-arms of the user at the time of massaging the back of the user. SOLUTION: Vibrators which massage the fore-arms of the user are contained in the arms 16 of this armchair type massaging machine 1 and the machine 1 can simultaneously massage the fore-arms of the user by means of the vibrators at the time of massaging the back of the user by means of a massaging mechanism contained in the back board 4 of the machine 1 while the user sits on the seat section 3 of the machine 1. Consequently, this massaging machine 1 can obtain an excellent massaging effect which synergistically acts on a complex symptom, such as the lumbago, stiffness of the shoulder, the muscular pain of the fore-arms, etc., and, at the same time, can shorten the massaging time.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chair-type massage machine, and more particularly, to a back-side massage by a massage mechanism incorporated in a backrest, and at the same time, a forearm massage by a vibrator incorporated in an armrest. An object of the present invention is to provide a chair-type massage machine with a built-in vibrator and an armrest.

[0002]

2. Description of the Related Art In a conventional chair-type massage machine, a massage member such as a roller of a massage mechanism built into the backrest while sitting on the massage machine moves up and down on the back side of the body, while performing a rubbing operation, acupressure operation, It is configured to perform various massage operations such as a tapping operation.

[0003]

In recent years, back pain and stiff shoulders caused by personal computer and word processor work, and muscle pain in the forearm due to continuous keyboard input work while sitting on a chair for a long time in the workplace or at home have been reported. It has increased.

However, the conventional chair-type massage machine designed to massage the body while sitting down is designed to massage the back side part of the body from the shoulder to the waist, which causes back pain. Although effective for alleviating symptoms such as stiff shoulders and the like, when massaging the forearm, it was necessary to separately use a massage device such as a vibrator.

Therefore, the waist and shoulders of the body and the forearm are to be separately massaged, so that a sufficient massage effect cannot be obtained and there is a problem that the time required for the massage is prolonged. Therefore, the present invention solves the above-mentioned problems of the conventional technology, and when massaging the back side part of the body, massaging of the forearm can be performed at the same time.
An object of the present invention is to provide a chair-type massage machine with a built-in vibrator and an armrest.

[0006]

In order to achieve the above object, a chair-type massage machine with a vibrator and an armrest according to the present invention has a pair of armrests on both sides of a seating portion, and a backrest massages the back side of the body. In addition to having a built-in massage mechanism, a vibrator mechanism for massaging the forearm is built inside the armrest.

In the chair-type massager with built-in vibrator of the present invention, the pair of armrests and the supporting members on both sides of the underframe of the seating portion are rotatably connected to the respective ends of the pair of connecting links in the front-rear direction. The armrest, the pair of front and rear connecting links, and the support member form a parallel link mechanism that allows the armrest to stand up and down in a front-rear direction in a plane perpendicular to the support member. It is desirable to provide a locking means that can restrain the movement of the link mechanism and selectively fix the armrest at a plurality of heights.

In this case, the backrest is pivotally mounted on the underframe rearwardly of the seat, and the support members on both sides of the underframe are pivotally mounted on the underframe, respectively. It is composed of the
Each support link is linked to the backrest so that the upper ends of these support links rotate and displace in parallel to the tilt direction at the same time. It is further desirable that the pair of support links are pivotally mounted in the vertical direction so as to be rotatable in the front-rear direction in the vertical plane.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a side view showing a schematic structure of one embodiment of a chair-type massage machine with a built-in vibrator according to the present invention (hereinafter simply referred to as a massage machine). It has an underframe 2 supported on the floor F, and a seating portion 3 is attached to the upper surface of a horizontal frame 2A formed on the underframe 2.

The underframe 2 also has a pair of backrest mounting brackets 2B extending obliquely rearward and upward from the left and right sides of the rear end of the horizontal frame 2A, and the backrest 4 is supported by these backrest mounting brackets 2B. It is provided so as to be tiltable rearward with respect to the seat portion 3 around the shaft 5.

A massage mechanism having a massage member such as a roller (not shown) is built in the backrest 4, and when the massage mechanism is driven while sitting on the seat 3 and leaning against the backrest 2, the massage member is While moving the back side of the body up and down, firching, shiatsu,
Various motions such as a tapping motion are repeated to perform massage from the shoulder to the waist.

A tip end of an operating rod 7A of a linear actuator 7 is rotatably connected to a lower end of the backrest 4 by a connecting shaft 6. In this embodiment,
The linear actuator 7 transmits the rotation of the built-in motor to the operating rod 7A via the screw mechanism,
A is configured to reciprocate in the axial direction, and the tilt angle of the backrest 4 can be adjusted by the forward / backward displacement of the operating rod 7.

Further, at two front and rear positions on the left and right sides of the seat portion 3 of the horizontal frame 2A, the middle portions of the pair of support links 9A and 9B are rotatably supported by the support shafts 8A and 8B, respectively. The support links 9A and 9B have the same shape, and the lower ends of the support links are connected shafts 10A and 10B.
A pair of support links 9A and 9B are interlocked in parallel with each other in the front-rear direction so as to rotate around support shafts 8A and 8B.

Both ends of the relay link 12 are rotatably connected to the rear connecting shaft 10B and the connecting shaft 6 at the lower end of the backrest 4, and when the backrest 4 is tilted by the above-mentioned linear actuator 7. , Its movement is transmitted to the rear support link 9B via the relay link 12, and at the same time to the front support link 9A via the interlocking link 11 to support the front and rear support links 9A, 9B. The upper portion is tilted in conjunction with the backrest 4 in the same direction.

On the other hand, the lower ends of the connecting links 14A and 14B having the same length are rotatably connected to the upper ends of the support links 9A and 9B by connecting shafts 13A and 13B. Further, the upper ends of the connecting links 14A and 14B are rotatably connected to two front and rear positions on the lower surface side of the armrest 16 in which a vibrator is incorporated by connecting shafts 15A and 15B, respectively.

When the support links 9A and 9B are stationary, they are regarded as one fixed link, and therefore the support links 9A and 9B as support members are provided.
Set, a pair of connecting links 14A, 14B, and armrest 1
6 constitutes a set of parallel link mechanisms.

At the position of the connecting shaft 13B connecting the rear connecting link 14B and the supporting link 9B, the connecting link 14B stands vertically with respect to the supporting link 9B from the position where the connecting link 14B fell forward. Locking means 17 capable of adjusting the height of the armrest 16 is provided by locking the connecting link 14B in the fall direction at a plurality of angles between.

Locking means 17 used in this embodiment
Uses a ratchet mechanism having a ratchet tooth and a ratchet pawl that meshes with the ratchet tooth, and the armrest 16 can be moved freely in a direction of pulling it upward from a position a shown by an imaginary line in FIG. If the armrest 16 is stopped at the position indicated by the solid line b, the armrest 16 is held at the height indicated by the solid line b because the ratchet mechanism locks the connecting link 14B in the falling direction.

In this embodiment, the armrest 1 is mounted at a plurality of heights corresponding to the number of ratchet teeth built into the ratchet mechanism.
6 can be selectively locked. Also, 16 armrests
When lowering the height of the armrest 16, the armrest 16 is once pulled up to the uppermost position indicated by the imaginary line c to make the connecting link 14B vertical.

At this position, the ratchet pawl of the ratchet mechanism is forcibly released from the ratchet teeth, from which the armrest 16 can be lowered to the position of the imaginary line a.

When the armrest 16 is lowered to the position of the imaginary line a, the ratchet pawl can be engaged with the ratchet pawl again. Then, the armrest 16 is pulled up again to fix the armrest 16 at a desired position. be able to.

Since the locking means itself using such a ratchet mechanism is well known in the art, detailed description of the structure will be omitted. Further, in the present invention, the locking means is not limited to such a ratchet mechanism,
It suffices that the armrest 16 and the pair of front and rear connecting links 14A and 14B have a function of releasably restraining the movement of the parallel link mechanism and holding the armrest 16 at a plurality of heights.

Next, FIG. 3 is a partial vertical cross-sectional view showing the internal structure of the armrest 16, and FIG. 4 is a cross-sectional view taken in the direction of the arrow from the position of line AA in FIG. The armrest 16 is
Although covered with a flexible cover such as cloth, the outer cover is not shown in these figures.

A vibrator 18 is housed in the armrest 16. The vibrator 18 has a vibrating frame 20 that accommodates and holds a motor 19 for generating vibration therein. The vibrating frame 20 has a hollow rubber bush 22 through which a mounting bolt 21 penetrates at the center thereof. The armrest 16 is supported so as to be able to float at a plurality of places.

On the other hand, a fan-shaped rotary weight 23 is fixed to the rotary shaft 19A of the motor 19, and when power is supplied to the motor 19 from the outside of the armrest 16 through an electric wire 24, the rotary weight 23 together with the motor shaft 19A. Rotates.

The center of gravity of the rotary weight 23 is the motor shaft 19A.
Since it is located eccentrically from the axis center of the armrest 16, the vibrating frame 20 supported in a floating state by the rubber bush 22 with respect to the armrest 16 vibrates, so that When the forearm is placed, the vibration of the forearm provides a massage effect on the forearm.

In the above-described embodiment, when a massage device such as a foot or a leg is placed in front of the seat 3 and used together, as shown in FIG. 2, the backrest 4 is raised and the armrest. By tilting 16 to the position of the imaginary line a, it is possible to sit on the seat portion 3 from the side of the massage machine 1.

Further, in the present embodiment, the armrest 16
Although the height of the armrest can be changed, the armrest position may be fixed. Also, the connection link 14A,
The lower ends of 14B are rotatably connected to the upper ends of support links 9A and 9B that tilt in conjunction with the tilting of the backrest 4 by connecting shafts 13A and 13B, respectively. The lower end of the may be rotatably supported by a supporting member fixed to the underframe 2.

Further, as the vibrator 18 built in the armrest 16 in this embodiment, the motor 19 rotates the rotary weight 23 to generate vibration, but the vibration generating mechanism of the vibrator is as follows. The present invention is not limited to this, and may have, for example, a vibration generating mechanism using an electromagnet or the like.

[0030]

As described above, according to the invention described in claim 1, since the vibrator is built in the armrest, the back side massage is performed by the massage mechanism built in the backrest. , You can massage the forearm at the same time, such as back pain and stiff shoulders, which can be caused by long-time PC or word processor work,
An excellent massage effect can be obtained by synergistically acting on complex symptoms such as muscle pain in the forearm, and the time required for massage can be shortened.

Further, according to the second aspect of the present invention, when massaging the forearm, the height of the armrest can be adjusted to an optimum position, so that the vibration of the vibrator incorporated in the armrest can be efficiently vibrated. It can be transmitted to the part and enhance the massage effect.

Since the armrest can be moved up and down, the armrest can be laterally seated on the seat with the armrest lowered to the lowest position. The convenience of the massage machine can be improved when it is placed in front of the machine and used together.

Further, according to the invention described in claim 3, when the position of the armrest tilts the backrest rearward, the backrest is displaced downward and rearward according to the angle of tilting, so that the backrest tilts backward. Even when it is used, the vibration of the vibrator can be effectively transmitted to the forearm without shifting the forearm from the armrest.

[Brief description of drawings]

FIG. 1 is a schematic side view of a chair-type massage machine with a built-in vibrator according to the present invention.

FIG. 2 is a schematic side view of a chair-type massage machine with a built-in vibrator according to the present invention.

FIG. 3 is a partial vertical cross-sectional view showing the internal structure of the armrest.

FIG. 4 is a transverse cross-sectional view taken along the line AA of FIG. 3 as seen in the direction of the arrow.

[Explanation of symbols]

1 massage machine Two frame 2A horizontal frame 2B backrest mounting bracket 3 Seat 4 backrest 5 spindles 6 connecting shaft 7 Linear actuator 7A operating rod 8A, 8B spindle 9A, 9B Support link (support member) 10A, 10B connecting shaft 11 interlocking links 12 relay links 13A, 13B connecting shaft 14A, 14B connection link 15A, 15B connecting shaft 16 armrests 17 Locking means 18 vibrators 19 motor 19A motor shaft 20 vibration frame 21 Mounting bolt 22 Rubber bush 23 Spindle 24 electric wires

Claims (3)

[Claims] 1. A seat has a pair of armrests on both sides, a backrest has a built-in massage mechanism for massaging the back side of the body, and an armrest has a vibrator mechanism for massaging the forearm. Chair type massage machine with a built-in vibrator and armrest. 2. A pair of armrests and supporting members on both sides of the underframe of the seating portion are rotatably and axially attached to both ends of a pair of front and rear connecting links, respectively, to connect the armrests to the front and rear pairs. The link and the support member constitute a parallel link mechanism capable of standing up and down the armrest in the front-back direction in a plane vertical to the support member, and restrain the movement of the parallel link mechanism to provide a plurality of armrests. The chair-type massage machine with a built-in vibrator according to claim 1, further comprising locking means that can be selectively fixed at a height. 3. A pair of front and rear support links in which a backrest is pivotally attached to a rear portion of a seat portion so as to be tiltable, and support members on both sides of the underframe are pivotally attached to the underframe, respectively. Each support link is linked and linked to the backrest so that the upper ends of these support links rotate and displace in parallel to the tilt direction at the same time in conjunction with the tilting of the backrest. The chair with a built-in vibrator according to claim 2, wherein the lower ends of the pair of connecting links are pivotally mounted on the upper ends of the pair of supporting links so as to be rotatable in the front-back direction in a vertical plane. Type massage machine.