JPH09313561A - Chair type massager - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a chair type massager without clamping the neck of a subject even if the lower contact part approaches the subject for massaging concentrated on the back bone. SOLUTION: This chair type massager is composed of massaging devices 10 and 11 in the right and left sides of the backrest 17 respectively, which are equipped with therapy fingers 46 and 48 with each contact parts 70 and 71 to be in contact with and to massage the affected parts on a subject 15 at the tip ends of an upper and lower pair of arms 47 and 49 protruding forward from a backrest 17 of the chair 14, and a therapy finger drive part 45 to approach/separate the upper and lower contact parts 70 and 71 connected to the base ends of the arms 47 and 49, and both massaging devices 10 and 11 are set to be connected to the approaching/separating drive device to mutually approach/separate. In this case, the upper contact parts 70 and 70 are capable of mutually moving relatively in the right and left direction against the lower contact parts 71 and 71 within a constant range and both contact parts 70 and 70 are energized to the mutually approaching direction.

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 in which a person to be treated sits down and receives a massage.

[0002]

2. Description of the Related Art A variety of massage devices for pressing and stimulating a person's shoulder, waist, etc. to eliminate stiffness are known. Among these, a chair type massage machine (90) shown in FIG.
Is widespread. This massage machine (90) is equipped with a chair (9
1) backrest (92) with 2 left and right massage devices (100) (100)
It is equipped with

Each of the massage devices (100) (100) has a pair of treatment fingers (95) (96) projecting vertically from the backrest (92), and the treatment fingers (95) (96) are An arm (93) (93a) connected to a motor (not shown) for driving the treatment finger, and a contact portion (94) (9) (9) (9) provided at the tip of the arm and contacting the affected part of the user.
4a) and. By the drive of the motor, the treatment fingers (95) (96) perform a hitting motion in the up-down direction, a rubbing motion in the lateral direction, etc. to massage the user.

[0004]

[Problems to be Solved by the Invention] The above massage machine (90)
Since the upper and lower contact parts (94) (94a) are located in the same vertical plane, when the lower two contact parts (94a) (94a) are brought close to the spine of the user, the upper contact part The neck is caught between the parts (94) and (94). The closest position of the lower contact portions (94a) (94a) is limited to a position where the upper contact portions (94) (94) do not pinch the neck. Therefore, it has been impossible to intensively massage the vicinity of the spine of the user by bringing the lower contact portions (94a) (94a) close to each other.

An object of the present invention is to provide a chair-type massaging machine which does not pinch a neck with an upper contact portion even if a lower contact portion is brought close to the user in order to intensively massage the spine of a user. It is to be.

[0006]

In order to solve the above-mentioned problems, the chair type massage machine of the present invention comprises a backrest of a chair (14).
A pair of upper and lower arms (47) (4
At the tip of 9), the treatment fingers (46) (48), which are respectively provided with contact portions (70) (71) that perform massage by hitting the affected area of the user (15),
Upper and lower contact parts (70) (71) connected to the base ends of the arms (47) (47)
Massage devices (10) and (11) equipped with a treatment finger drive unit (45) for driving the heads toward and away from each other are provided to the left and right of the backrest (17).
Each of the massage devices (10) and (11) is provided in a chair type massage machine which is arranged so as to be able to approach and separate from each other by being linked to the approaching and spacing drive device (39).
The contact parts (70) (70) above (11) are contact parts (71) below each other.
It is relatively movable in the left-right direction within a certain range with respect to (71), and the upper contact portions (70, 70) are urged in a direction in which they approach each other by urging means.

The massage devices (10) and (11) may be arranged so as to be able to move up and down by being linked to the elevating mechanism (22). In this case, the upper contact portion at the raised position of the massage devices (10) and (11). (70) is located on the shoulder of the user (15) sitting on the chair (14) or in front of the shoulder, and the lower contact part (71) is located on the back side of the user (15). Determine the protrusion length and direction.

[0008]

Function: Massage is performed with the upper contact portions (70) of the massage devices (10) and (11) on the shoulders of the user and the lower contact portions (71) on the back. The approaching / separating device (39) from this state
When the massage devices (10) and (11) are brought close to each other, the lower treatment fingers (48) and (48) come close to each other, and the lower contact portions (71) and (71) come close to the spine. Upper Treatment Finger (46) (4
6) also try to approach each other, but the frictional resistance caused by the contact portion (70) pressingly contacting the user, the biasing means (70b) biasing the contact portion (70) inward. As a result, the upper contact portions (70) (70) are brought into close contact with each other while only the lower contact portions (71) (71) are pressed against the shoulder of the user. Therefore, the upper contact portions (70) (70) do not pinch the neck of the user, and the lower contact portions (71) (71) are brought closer to the spine, and the two contact portions (71) (71) However, the massage can be intensively performed on the spine like one contact portion.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION The chair (14) of the massage machine (12) is
As shown in FIG. 1, a seat surface (16) on which the user (15) sits,
A backrest (1 formed upward from the rear of the seat surface (16)
7) and a backrest (17) with a pair of massage devices
(10) (11) is arranged so that it can move up and down and can move toward and away from the left and right. In the following description, the front is the direction in which the person to be treated (15) sitting on the chair (14) is facing straight ahead, as indicated by the arrow F in FIG.

First, the elevating mechanism (22) for moving the massage devices (10) (11) up and down will be described. Inside the backrest (17) of the chair (14), as shown in FIGS. 1 and 2, a pair of guide rails bent according to the shape of the back (specifically, the spine) of the user (15). (20) (20) is provided vertically and parallel to the left and right. The guide rails (20) (20) have guide rollers (21) (2
The massage devices (10) and (11) can be moved up and down along the guide rails (20) and (20), respectively.
The upper end of the guide rails (20) (20) is located on the massage device (10).
At the rising end of (11), upper and lower treatment fingers (46) (48) described later.
The upper contact part (70) (70) of the user hits the user's shoulder to the clavicle, and the lower contact part (71) (71) hits the vicinity of the scapula so that the contact part is inclined forward and obliquely upward. There is.

Behind each of the guide rails (20), (20), endless loop chains (23) (23) for moving the massage devices (10) (11) up and down are respectively provided on the left and right. Each chain
(23) meshes with sprocket (24) (25) rotatably provided in the upper and lower parts of the backrest, and a part of the chain (23) is a support for holding a massage device described later. It is connected to the block (26). Lower sprocket (25) axle (2
7) is linked to the chain drive motor (29) via the speed reduction mechanism (28), and the massage device (10) (11) is guided to the guide rail (20) by the forward and reverse rotation of the chain drive motor (29). ) (2
It can be moved up and down along 0).

Next, the massage devices (10) and (11) will be described. One massage device (10) (11) is provided on each of the right and left sides of the upper body of the user (15) so that massage can be performed on each of the left and right sides.
0) (11) is an approach / separation drive device (39) having the following configuration between the support blocks (26) and (26) arranged in a state of being separated by a predetermined distance.
Can be approached and separated by. Guide rollers (21) (21) fitted to the guide rails (20) are rotatably provided on the outer surface of each support block (26), and
A part of the chain (23) is fixed to the chain fixing tool (30).

The lower surface of the support block (26) (26) has a holding plate (3) for holding the support blocks in a state of being separated from each other by a predetermined distance.
It is fixed to 1), and the support blocks (26) (26) are shown in FIG.
As shown in, two guide shafts (33) (34) arranged in parallel
And each end of the support shaft (35) is fixedly supported. Guide shaft (3
3) (34) is deployed in the same horizontal plane. Below, the rear guide shaft (33) is referred to as the right guide shaft, and the front guide shaft (34) is referred to as the left guide shaft. The support shaft (35) is the left guide shaft (34).
It is deployed on the front upper side.

The right and left guide shafts (33) and (34) have right racks (37) and left racks with teeth facing each other.
(38) is slidably fitted and these racks (3
The pinions (41) of the approaching / separating motor (40) fixed to the holding plate (31) are simultaneously engaged with the teeth of (7) and (38). When the approaching / separating motor (40) is rotated in the forward direction, the racks (37) and (38) move toward the center, and when the motor (40) is rotated in the reverse direction, the right rack (37) faces right and the left rack. (38) moves to the left.

The right rack (37) is provided with a massaging device (10) for massaging the upper right half of the user (15), and the left rack (38) is massaging device for massaging the upper left half ( 11) will be deployed. Only the massage device (10) on the right side will be described below, but the massage device (11) on the left side also has a similar configuration of right and left opposite hands. The approaching / separating motor (40) is a control panel (200) described later.
Is linked to

A massage device for massaging the upper right half of the body
As shown in FIG. 4, the (10) includes a casing (43) fixed to the right rack (37) and a pair of upper and lower treatment fingers (46) and (48). The lower surface of the casing (43) is fixed to the upper surface of the right rack (37), and the support shaft (35) described above slidably penetrates through the front portion of the casing (43).

As shown in FIG. 4, the treatment fingers (46) and (48) contact the affected area of the person to be treated (15) and massage the roller-shaped contact portions (70) (71), and the contact portions (70). It is composed of arms (47) and (49) having tips 70 and 71. The casing (43) of the massage device (10) includes an arm (47) of a pair of treatment fingers (46) (48).
A shaft (44) and a shaft (44) are vertically rotatably supported by a shaft (44) and (44) so as to be rotatable in a vertical plane with a predetermined opening angle. As shown in FIG. 5A, the arm (47) of the upper treatment finger (46) is a casing.
(43) projecting from the front opening, bending outward by 90 °, then bending 180 ° in the middle, and a horizontal roll-shaped contact portion at the tip
It is equipped with (70) so that it can slide within a certain range.

The contact portion (70) is biased inward by the biasing means (70b), that is, in the direction in which the left and right contact portions approach each other. The biasing means (70b) of the embodiment is a spring (70c) built in the contact portion (70). The surface of the contact portion (70) is formed of an elastic member having a cushioning property and a large friction coefficient. A strain gauge (70d) is attached to the 180 ° bent portion of the arm (47), and the strain gauge (70d) is used for the control panel (20) for controlling the motor.
0). Arm (49) of lower treatment finger (48)
Is projected short and straight from the front opening of the casing (43), and has a roll-shaped contact portion (7) parallel to the contact portion (70) at the tip.
1) is protruding.

As shown in FIG. 4, at the base ends of the arms (47) and (49), sector gears (51) and (51) having a pivot portion as a rotation center.
Are formed. The inside of the casing (43) contains a treatment finger.
A treatment finger drive section (45) for swinging the (46) and (48) in a vertical plane is provided. The treatment finger drive unit (45) includes two motors (63) and (64) that independently drive the treatment fingers (46) and (48), and the rotation of each treatment finger drive motor (63) (64). Worm gear on shaft (65)
(66) is provided, and the gears (65) (66) mesh with the worm wheels (67) (68) pivotally supported by the casing (43).
Intermediate gears A and B are integrally provided on the worm wheels (67) (68), and the arm (47) (49) is attached to the intermediate gears A and B.
The sector gears (51) and (51) of are engaged.

The treatment finger drive motors (63) (64) are provided on the control panel (2
00), the treatment finger drive motors (63) (64) rotate by switching between forward and reverse at regular intervals to swing the treatment fingers (46) (47) around each pivot portion. , Vertically approach and separate. The left massage device (11) has the same configuration as the right massage device (10), but the biasing direction of the contact part (70) of the upper treatment finger (46) is the biasing direction of the right contact part. The opposite, that is, the opposite. Therefore, the upper two contacts (70)
The (70) are urged by the urging means so that they approach each other. The massage device (11) on the left is the casing (43)
Is fixed to the upper surface of the left rack (38).

The contact portions (70) (7) above the treatment fingers (46) (48)
Strain gauge that the load acting on (0) exceeds a certain value
When it is detected by (70d), the control panel (200) operates the approaching / separating device (39), and the left and right massage devices (10) are activated.
The contact part of the upper treatment finger (46) (46) with the space of (11) opened
(70) Treat the treatment finger (46) so that (70) is stopped at the maximum raised position.
Control the drive motor (63).

The operation of the massage machine (12) having the above structure will be described. When massaging from near the shoulder to the scapula The upper contact parts (70) (70) of the massage device (10) (11) are on the shoulder of the user, and the lower contact parts (71) (71) are on the shoulder. The treatment finger drive unit (45) is operated without moving the massage devices (10) and (11) up and down while being in contact with the ribs. The upper treatment finger (46) can massage the shoulder of the person to be treated, and the lower treatment finger (48) can massage the vicinity of the scapula.

A place for intensive massage near the spine
Therapeutic fingers from engagement the state by the approaching spacing device (39) (46) (48)
When they are brought closer to each other, the lower treatment fingers (48) (48) come closer to each other, and the contact portions (71) (71) come closer to the spine. The upper treatment fingers (46) (46) also try to approach each other, but the contact part (7
(0) is pressed against the user and frictional resistance is acting,
This frictional resistance overcomes the spring (70c) that urges the contact part (70) inward, resulting in the upper contact part (70).
Is in contact with the shoulder of the user while pressing the contact part (7
Only 1) approach each other. Therefore, the upper contact (70) (7
(0) does not pinch the user's neck and the lower contact part (7
1) (71) can be brought close to the spine, and massage can be intensively performed on the spine near the neck, as if the two contacting parts (71) (71) are performed by one contacting part.

When the load acting on the upper contact portions (70) (70) exceeds a certain value, the strain gauge (70d) detects this,
By the action of the control panel (200), the contact parts (70) (7
Since 0) rises to the upper limit position while being separated from each other, it is possible to prevent the contact portions (70) and (70) from pinching the neck of the user and pushing the affected area too much.

In the case of performing a strong massage If the pressing force applied to the person to be treated (15) from each massage device (10) (11) is concentrated at one point, a strong massage can be performed. Therefore, each massage device (1
The treatment finger drive motors (63) (64) of 0) (11) are driven to bring the upper and lower contact portions (70) (71) into contact. With the upper and lower contact portions (70) (71) in contact, the approaching / separating motor (40) is repeatedly rotated forward / reversely to move the massage devices (10) (11) to the left / right direction.
If they are separated from each other, strong rubbing can be performed. When the chain drive motor (29) is rotated in the forward and reverse directions with the upper and lower contact parts (70) (71) in contact, the massage devices (10) (11) cause the guide rails (20) (20) to rotate. You can move up and down along with and perform a strong back stretching.

When performing a weak massage The left and right massage devices (10) (1
When 1) is released and the pressing force applied to the user (15) is distributed to upper and lower points, a weaker massage can be performed. Therefore, the treatment finger drive motors (63) and (64) of the massage devices (10) and (11) are driven to separate the upper and lower contact portions (70) and (71). The distance between the contact parts (70) and (71) depends on the person to be treated.
Determined by (15). With the upper and lower contact parts (70) and (71) separated from each other, by rotating the approaching / separating motor (40) or the chain drive motor (29) forward or reverse, weak lateral kneading or back stretching can be performed. it can.

The present invention is not limited to the configuration of the above embodiment, and various modifications can be made within the scope of the claims.

[Brief description of drawings]

FIG. 1 is a sectional view of a chair-type massage machine.

FIG. 2 is a sectional view taken along the line XX of FIG.

FIG. 3 is a perspective view of the massage device when viewed obliquely from behind.

4 is a cross-sectional view of the massage device of FIG. 3 taken along the line YY.

FIG. 5A is a diagram showing a positional relationship between upper and lower treatment fingers in a state where no load is applied to the treatment finger, and B is a force in a left direction relative to an upper contact portion with respect to a lower contact portion. It is a figure which shows the positional relationship of the upper and lower treated fingers when it acts.

FIG. 6 is a perspective view of a conventional chair-type massage machine.

[Explanation of symbols]

 (10) Massage device (11) Massage device (46) Treatment finger (48) Treatment finger (70) Contact part (71) Contact part (70b) Energizing means

Claims (2)

[Claims] 1. A user to be treated is attached to the tips of a pair of upper and lower arms (47) (49) projecting forward from a backrest (17) of a chair (14).
Contact part (70) (71) that massages the affected part of (15)
Treatment fingers (46) and (48) each equipped with a treatment finger drive unit (45) that is connected to the base ends of the arms (47) and (47) and drives the upper and lower contact portions (70) and (71) toward and away from each other. ) Equipped with a massage device (1
0) (11) is provided on the right and left sides of the backrest (17), and both massage devices (10) and (11) are connected to the approaching / separating drive device (39) so that they can approach and separate from each other. In a chair-type massage machine that has a contact (7) above the massage device (10) (11)
0) and (70) are movable relative to each other in a certain range relative to the lower contact portions (71) and (71), and both upper contact portions (70) and (70) are biasing means. (70b) Chair type massage machine urged toward each other. 2. A massage device (10) (11) comprises a lifting mechanism (22).
It is connected to and is installed so that it can be raised and lowered.
The contact portion (70) in the upper position of the 0 (11) is located on the shoulder of the user (15) sitting on the chair (14) or in front of the shoulder, and the contact portion (71) below is The chair type massage machine according to claim 1, which is located on the back side of the user (15).