JP2003190240A - Massage assembly and massage machine loaded with the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a massage assembly reduced in weight and size and simplified in constitution by performing the operation of a massage unit and a medical treatment finger with one motor, and a massage machine loaded with it. <P>SOLUTION: In this massage assembly, the massage unit including a medical treatment finger for applying wringing/tapping massage to a person to be treated is operated to reciprocate between a pair of frames. A screw shaft is fixedly disposed parallel to the reciprocating direction of the massage unit between the frames. The massage unit is provided with a screw member which is rotatably disposed in the stage of engaging with the screw shaft to relatively reciprocate the massage unit along the screw shaft by screw thrust, and one motor for rotating the screw shaft and operating the medical treatment finger. In this massage machine, the massage assembly is installed on the backrest of a chair or a bet. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a massage assembly for massaging a shoulder, a back and / or a waist of a user, and more specifically, a reciprocating motion of a massage unit and a motion of a treatment finger. The present invention relates to a massage assembly that can be performed by one motor mounted on a unit and a massage machine equipped with the massage assembly.

[0002]

2. Description of the Related Art There is a massager that moves a treatment finger up, down, left and right and / or back and forth to massage the shoulder, back and waist of a user. This type of massage machine is configured by mounting a massage assembly, which includes a massage unit having treatment fingers so that the massage unit can reciprocate, inside a backrest of a chair or a bed.

[0003]

In the above massage assembly, a power source for reciprocating the massage unit and a power source for operating the treatment finger are separately provided. Therefore, there is a problem that the massaging machine becomes heavy and large.

SUMMARY OF THE INVENTION An object of the present invention is to provide a massage assembly capable of achieving weight reduction, downsizing, and simplification of the configuration by performing the operation of the massage unit and the treatment finger with one motor, and a massage equipped with the same. Is to provide a machine.

[0005]

In order to solve the above-mentioned problems, the massage assembly of the present invention includes a massage unit having treatment fingers for rubbing and / or striking a massager between a pair of frames. In a reciprocating massage assembly, a screw shaft is fixed between the frames in parallel with the reciprocating direction of the massage unit, and the massage unit is rotatably arranged while meshing with the screw shaft. A screw member that relatively reciprocates along the screw axis, and one motor that can rotate the screw member and operate the treatment finger. Further, the massage machine of the present invention can be configured by mounting the massage assembly on a backrest of a chair or a bed.

[0006]

[Operation and effect] The massage assembly of the present invention is
The reciprocating motion of the massage unit and the motion of the treatment finger are performed by one motor mounted on the massage unit. That is, the reciprocating motion of the massage unit and the motion of the treatment finger do not have to be performed by separate motors. Therefore, the massage assembly can be reduced in size and weight, and the power consumption can be reduced. Since the size and weight of the massage assembly can be reduced, the backrest of the chair or bed of the massage machine can be thinner than before, and the weight of the massage machine can be reduced. In addition, since the screw shaft is fixed to the frame without rotating, accuracy with respect to rotational run-out is unnecessary, and the screw shaft can be easily processed and attached.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION An example in which the present invention is applied to a chair-type massage machine will be described. However, the present invention is not limited to a chair-type massage machine and can be applied to a bed-type massage machine. In the following, “upper” means the direction toward the shoulder when the user sits on the chair, and “lower” means the direction toward the waist.

FIG. 1 is a perspective view of a chair type massage machine (10). The chair (12) has a seat (14) on which the user sits and a backrest (1) which is arranged upward from the rear end of the seat (14).
6) is provided. The backrest (16) may be tiltable with respect to the seat (14).

The backrest (16) is a cover (18) made of cloth material or the like.
Surrounded by, and within the interior of the cover (18) is the massage assembly (20) of the present invention. As shown in FIGS. 2 and 3, the massage assembly (20) has guide rails (24) (24) between the upper and lower frames (22) (23).
Are linked by. Frame (22) (23) and /
Alternatively, the guide rails (24) (24) are the frame of the backrest (16).
(Not shown) or the like. Guide rails (24) (24)
Has a U-shaped rail portion (25) (25) and is attached to the frame (22) (23) so that the recesses face inward as shown in FIG.

A screw shaft (28) having both ends fixed to upper and lower frames (22) and (23) is arranged between the guide rails (24) and (24). Conventionally, the screw shaft is supported by the frame,
The massage unit was reciprocated by rotating the screw shaft and the screw thrust. In this case, since it is necessary to suppress the rotational runout of the screw shaft, high processing accuracy and high mounting accuracy of the screw shaft have been required. However, in the massage assembly (20) of the present invention, since the screw shaft (28) does not have to be rotated, the processing precision and the mounting precision of the screw shaft are not required as much as in the conventional case.

As shown in FIGS. 2 to 4, a massage unit (40) is reciprocally disposed between the upper and lower frames (22) and (23). The massage unit (40) is configured by mounting treatment fingers (50) (50) and a motor (30) on a base plate (41). The base plate (41) is a housing whose front surface is open, and the screw shaft (28) penetrates approximately the center thereof. On the left and right of the base plate (41), the rollers (53) (53
a) is deployed. The upper roller (53) is a treatment shaft described later.
The lower roller (53a) is supported by both ends of (52),
Auxiliary shaft (52) rotatably fitted in the base plate (41)
a) and the rollers (53) (53a) are attached to the rail (25).
By rolling inside, the massage unit (40) can reciprocate along the guide rails (24) and (24).

The base plate (41) is further provided with a motor (30) serving as a power source for the massage unit (40) and the treatment fingers (50) (50). The rotating shaft (31) of the motor (30) is cut with a worm (36) and has a pulley (33) formed at its tip. The worm (36) has a treatment shaft (52) described later.
The worm wheel (37) of the
Are connected to a screw member that meshes with the screw shaft (28). In the illustrated embodiment, the screw member is a screw cylinder (35) in which a screw groove that meshes with the screw shaft (28) is carved at the center, and a pulley (34) is formed on the outer periphery of the screw member (32). ) Via pulley (3
It is connected with 3). When the motor (30) is rotated, the treatment shaft
(52) and the screw cylinder (35) rotate.

The treatment shaft (52) is disposed orthogonally to the screw shaft (28), and treatment fingers (50) (50) are attached to the left and right at predetermined intervals. Further, as described above, the rollers (53) and (53) fitted to the rail portions (25) and (25) of the guide rails (24) and (24) are pivotally supported at both ends of the treatment shaft (52). Laura (53)
It is desirable to use resin. The treatment shaft (52) has a motor
A worm wheel (37) that meshes with the worm (36) of the rotary shaft (31) is formed at a position intersecting the rotary shaft (31) of the (30).

Treatment fingers (50) (50) are provided on the treatment shaft (52) as shown in FIGS. 2 to 4. Treatment finger (50) (50)
As shown in FIG. 3, the kneading balls (55) (55a) are rotatably arranged at the tip of an arm (56) whose center is bent in a vertical V shape. In the bent portion of the arm (56), via a mounting member (61) fitted and fixed to the treatment shaft (52), a support bearing (60) whose rotation center is inclined and eccentric with respect to the treatment shaft (52). The treatment fingers (50) (50) are supported by the treatment shaft (52) via the support bearing (60) in an inclined state.

At the rear ends of the treatment fingers (50) (50), as shown in FIGS.
As shown in, contact pieces (57) and (57) are provided so as to project rearward. On the rear surface of the base plate (41), the stoppers (43) (43) are vertically moved toward the transition path of the contact pieces (57) (57).
a) is provided so as to project, and the rotation angle of the treatment fingers 50, 50 is restricted.

Further, a biasing means (58) for biasing the arms (56) (56) rearward is provided below the bent portions of the arms (56) (56). The biasing means (58) shown in the figure is a coil spring and is stretched between the arm (56) and the base plate (41) so that the upper kneading balls (55) project forward. The lower part of (56) is biased rearward. When no load is applied, the urging means (58) is used to
In (50), the contact piece (57) hits the upper stopper (43),
Stand by with the upper kneading balls (55) protruding forward.

The massage assembly (20) has a screw shaft (28) backrest (16) in the backrest (16) of the chair (12) shown in FIG.
It is deployed parallel to the longitudinal direction of the
8) can be applied.

The operation of the massage machine (10) having the above structure will be described. When the user sits on the chair (12) and rotates the motor (30) forward or backward, the treatment shaft (52) rotates and the pulley (34) rotates. When the treatment shaft (52) is rotated, the treatment fingers (50) (50) try to rotate integrally with the treatment shaft (52), but the lower side is biased backward by the biasing means (58). In addition, since the rotation angle is restricted by the stoppers (43) (43a), the treatment fingers (50) (50) are
It does not follow the treatment shaft (52) but swings in the left-right direction while moving up and down within a range in which the stopper (43) (43a) hits the piece (57). Further, when the pulley (34) rotates, the massage unit (40) relatively reciprocates upward or downward due to the screw thrust on the screw shaft (28) of the screw cylinder (35) provided on the pulley (34). To do.

The massage fingers (50) (50) move while swinging in the left and right directions, and the massage unit (40) reciprocates to give a massage to the user, which is a combination of a massage for massaging and a rolling massage. Can be applied.

As described above, according to the massage assembly (20) and the massage machine (10) equipped with the massage assembly (20) of the present invention, the reciprocating operation of the massage unit (40) and the treatment fingers (50) (5) are performed.
The operation of (0) can be performed by one motor (30) mounted on the massage unit (40), and drive sources for operating the massage unit (40) and the treatment fingers (50) (50) are provided. There is no need to provide it separately. In addition, the massage assembly (20) having the above-mentioned configuration is
0) or the massaging balls (55) (55a) are strongly pressed backward by the user, the force is mainly the upper roller (5
3) and the guide rail (24), and the lower roller (5
Since there is no action between 3a) and the guide rail (24), the lower roller (53a) can have a simple structure.

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. Further, the configuration of each part of the present invention is not limited to the above embodiment, but various modifications can be made within the technical scope described in the claims.

In the above embodiment, the massage of kneading is described. However, the massage fingers (50) and (50) are reciprocally moved up and down to give a hitting massage, or a combination of a massage of kneading and a hitting massage is performed. You can also

In the above embodiment, the motor (30) is rotated to perform both the operation of the treatment fingers (50) (50) and the reciprocating operation of the massage unit (40). By disposing a clutch mechanism between the rotating shaft (31) of (30) and the pulley (33), the massage unit (4
It is also possible to provide a massage with a high degree of freedom by selectively performing the reciprocating operation of 0). An example of the clutch mechanism is the electromagnetic clutch (70).

As shown in FIGS. 5 and 6, the electromagnetic clutch (70) has a coil (72) housed above a drive plate (71) fixed to a rotation shaft (31) of a motor (30). Containment (7
3) is rotatably arranged with respect to the rotary shaft (31), and the pulley (33) is vertically movable and the rotary shaft (3
It is arranged to rotate freely with respect to 1). The coil housing (73) is connected to the base plate (41) via a rotation stop plate (74) so as not to rotate following the rotation shaft (31). An annular ferromagnetic plate (75) is integrally rotatably fixed to the upper portion of the pulley (33).

In the electromagnetic clutch (70) having the above structure, when the coil (72) is energized, a magnetic force is generated in the coil (72),
The drive plate (71) is magnetized. As a result, pulleys (33)
The ferromagnetic plate (75) deployed on the drive plate (71)
And the pulley (33) moves upward together with the pulley (33) to be attracted to the drive plate (71), the pulley (33) rotates integrally with the drive plate (71), and the pulley (34) passes through the belt (32). ) Is driven to rotate, and the massage unit (40) reciprocates. coil
When the energization of (72) is stopped, the drive plate (71) is demagnetized, the ferromagnetic plate (75) and the pulley (33) move downward by the action of gravity, and the power transmission is cut off. By switching the power supply to the coil (72) on and off, the reciprocating operation of the massage unit (40) can be controlled while the treatment shaft (52) is rotated. Therefore, turn off the power to the coil (72),
Stop the reciprocating motion of the massage unit (40) and set the treatment axis (52)
It is also possible to rotate only the massager to massage the specific area such as the shoulder or waist, or to energize the coil (72) to perform the massage massage while reciprocating the massage unit (40).

Of course, by providing a clutch mechanism on the treatment shaft side,
It is also possible to selectively rotate the treatment shaft (52). Furthermore, a clutch mechanism can be provided on both the treatment shaft (52) and the pulley (33) to provide a massage with a higher degree of freedom.

[Brief description of drawings]

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

FIG. 2 is a rear view of the massage assembly of the present invention, showing a partial cross section.

FIG. 3 is a cross-sectional view taken along the screw axis of the massage assembly of the present invention.

FIG. 4 is an enlarged view of the massage unit, which is a partial cross-sectional view taken along the treatment axis and seen from above.

FIG. 5 is a rear view showing a different embodiment of the massage assembly according to the present invention, a part of which is shown in section.

FIG. 6 is an enlarged sectional view of a clutch mechanism.

[Explanation of symbols]

(10) Massage machine (20) Massage assembly (28) Screw shaft (30) Motor (40) Massage unit (50) Treatment finger (52) Treatment axis

   ─────────────────────────────────────────────────── ─── Continued front page    F-term (reference) 4C074 AA04 BB05 CC17 DD01 EE01                       FF01 FF09 GG03 HH02                 4C100 AD17 AD23 AD25 AE12 AF02                       AF06 AF07 AF17 BA01 BB03                       BC05 CA06 DA04 DA05 DA06                       EA10 EA12

Claims (7)

[Claims] 1. In a massage assembly for reciprocating between a pair of frames, a massage unit having a treatment finger for rubbing and / or striking a user to be massaged, a screw is provided between the frames in parallel with the reciprocating direction of the massage unit. A shaft is fixedly provided, a massage unit is rotatably provided in a state of meshing with a screw shaft, and a screw member that relatively reciprocates the massage unit along the screw shaft by screw thrust, and the screw member. A massage assembly comprising one motor capable of rotating and operating a treatment finger. 2. The massage assembly according to claim 1, wherein the screw member is a screw cylinder having a thread groove formed in the center thereof. 3. The massage assembly according to claim 1, wherein the motor is linked to the screw member via a clutch mechanism. 4. The massage assembly according to claim 1, wherein the motor is linked to the treatment finger via a clutch mechanism. 5. The treatment finger is connected to a motor via a treatment shaft having rollers at both ends, and each roller is fitted to a pair of guide rails arranged between the frames in parallel with the screw shaft. The massage assembly according to any one of claims 1 to 4. 6. The massage unit according to claim 5, wherein an auxiliary shaft is supported in parallel with the treatment shaft, rollers are provided at both ends of the auxiliary shaft, and each roller is fitted to the guide rail. The listed massage assembly. 7. A massager comprising the massage assembly according to claim 1 mounted on a backrest of a chair or a bed.