JP2012239599A - Massage mechanism and massager provided with same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a massage mechanism capable of bringing a massage feel similar to the rubbing action of human hands, and a massager.SOLUTION: The massage mechanism includes: a base part 10; a motor 14; a massage part 11 massaging a part to be treated; a rotating part 15 connected to the motor 14 in a linkage mode; a first crank part 16 arranged on the rotating part 15 and used for supporting one part 11a of the massage part 11; and a conversion part 17 arranged on the base part 10, and used for supporting the other part 11b of the massage part 11 and converting the rotational motion of the massage part 11 caused by the first crank part 16 into pendulum motion.

Description

  The present invention relates to a massage mechanism capable of giving a massage sensation close to that of a manual massage operation, and a massage machine including the massage mechanism.

  Conventionally, it has a pair of left and right massage bodies attached at positions eccentric from the rotation center of the rotating body, and by rotating the rotating body, the pair of massage bodies revolves around the rotation center and the treatment part is A massage machine for massaging is known (for example, Patent Document 1).

International Publication WO95 / 34268

  However, in the massage machine disclosed in the above-mentioned Patent Document 1, by performing eccentric rotation, the paired massage bodies are simply moved away from each other and massaged, and it is far from the sensation of manual itching. It was.

  Then, this invention is made | formed in order to eliminate the problem mentioned above, and it aims at providing the massage machine which can give the massage sensation close | similar to the squeezing operation by a hand.

The massage mechanism according to the present invention includes a base member, a motor, a massage member that massages a treatment portion, a rotation member that is linked to the motor, and a rotation member that is provided on the rotation member and supports a part of the massage member. A first crank member, and a conversion member that is provided on the base member and supports the other part of the massage member, and converts the rotational movement of the massage member by the first crank member into a swinging movement. Features.
With such a configuration, a part of the massage member can be eccentrically rotated and the other part of the massage member can be swung, giving a massage feeling close to manual massage operation to the treated part. be able to.

Moreover, it is preferable that the said conversion member is a 2nd crank member which has a rotating shaft part rotatably supported with respect to the base member.
By adopting such a configuration, the first crank member is “crank”, the massage member is “link”, and the second crank member is “lever”. A close massage can be realized. Therefore, the massage member can be stably swung without requiring high dimensional accuracy with respect to the conversion member.

Moreover, it is preferable that the said massage member makes a pair in right and left, and the rotating shaft part of the said 2nd crank member is located in the left-right outer side rather than the rotation center of the said rotating member.
By adopting such a configuration, the massage member largely swings left and right outward as a whole, so that the pair of massage members are greatly separated from each other, and the treatment portion located between the pair of massage members is extended. A feeling like that can be given.

A rotating shaft provided on the output shaft of the motor; a worm gear provided on the rotating shaft; and a worm wheel that is paired on the left and right of the worm gear as the rotating member. Is preferred.
By setting it as such a structure, a pair of massage member can be operated with a single motor.

Further, the conversion member may be constituted by a guide groove provided in one of the base member or the massage member, and a guided member provided in either one of the guide member and fitted in the guide groove. it can.
By setting it as such a structure, it can prevent that a massage member is carried around by the rotation member as a whole, and the other part side of a massage member can be rock | fluctuated.

Further, the massage machine of the present invention includes a seat portion on which a user is seated, a backrest portion provided at the rear portion of the seat portion, and a massage mechanism for massaging the treatment portion provided at the backrest portion. The massage mechanism includes a base member, a motor, a massage member that massages a treatment portion, a rotating member that is linked to the motor, and a part of the massage member that is provided on the rotating member. A first crank member that supports the first crank member, and a conversion member that is provided on the base member and supports the other part of the massage member, and that converts the rotational movement of the massage member by the first crank member into a swinging movement. It is characterized by having.
By adopting such a configuration, the paired massage members are positioned so as to sandwich the spine, and the muscles (broad back muscles) existing on both sides of the spine are swung up or down along the muscle fibers by the paired massage members. Can do.

  ADVANTAGE OF THE INVENTION According to this invention, the massage sensation close | similar to the greasing operation | movement by hand can be given with respect to a treatment part.

It is a perspective view of the massage machine concerning the present invention. It is a perspective view of the massage mechanism which concerns on 1st Embodiment of this invention. It is a front view of a massage mechanism. It is a bottom view of a massage mechanism. It is the perspective view which abbreviate | omitted a part of structure of the massage mechanism. It is the front view which abbreviate | omitted a part of structure of the massage mechanism. It is operation | movement explanatory drawing of a massage member. It is a front view of the massage mechanism which concerns on 2nd Embodiment of this invention. It is a rear view of the massage mechanism which concerns on 3rd Embodiment of this invention.

Hereinafter, the massage mechanism of the present invention will be described by exemplifying a case where this massage mechanism is applied to a chair-type massage machine. 1 is a perspective view of a massage machine according to the present invention, FIG. 2 is a perspective view of a massage mechanism according to a first embodiment of the present invention, FIG. 3 is a front view of the massage mechanism, and FIG. 4 is a massage. FIG. 5 is a bottom view of the mechanism, FIG. 5 is a perspective view in which a part of the configuration of the massage mechanism is omitted, and FIG. 6 is a front view in which a part of the configuration of the massage mechanism is omitted.
In addition, the concept of the direction used in the following description is the same as the concept of the direction when viewed from the user seated on the chair type massage machine shown in FIG. 1, the left hand side is “left”, and the right hand side is It is “right”, the head side is “upper”, the waist side is “lower”, and other cases will be described as appropriate.

[Composition of massage machine]
As shown in FIG. 1, the massage machine 1 according to the present invention mainly includes a seat 3 on which a user is seated, and a user who is provided on the back of the seat 3 so as to be reclining along the arrow a. And a footrest 5 for supporting a leg portion including a calf's calf and a foot portion including a sole, which are provided on the front portion of the seat portion 3 so as to swing up and down along the arrow b. , A leg frame 6 that supports the chair body 2 and is placed on the floor, a seat portion 3, a backrest portion 4, and a footrest 5. And a massage mechanism 7 for massaging the treatment section. In addition, this footrest 5 has the 1st footrest part 5a which supports a leg part, and the 2nd footrest part 5b which supports a foot part. In this embodiment, it is the 1st and 2nd footrest part. The massage mechanism 7 is provided in 5a, 5b.

[Configuration of Massage Mechanism According to First Embodiment]
Hereinafter, based on FIGS. 1-6, the massage mechanism 7 which concerns on 1st Embodiment is demonstrated on behalf of the massage mechanism 7 arrange | positioned in the backrest part 4. FIG.
The massage mechanism 7 of the present invention mainly includes a base member 10 that is fixedly or movably incorporated in the backrest portion 4, a massage member 11 that massages a treatment portion, and a drive mechanism that drives the massage member 11. 12 (see FIGS. 5 and 6) and a control unit (not shown) for controlling the operation of the drive mechanism 12.

  The base member 10 is composed of a flat front base 10a and a rear base 10b having plate surfaces in the front-rear direction that are opposed to each other with a predetermined interval in the front-rear direction. It is connected by a connecting member 10c made of, for example. A drive mechanism 12 is disposed inside the base member 10, that is, between the front base 10a and the rear base 10b. The drive mechanism 12 includes a motor 14, a rotating member 15 that is linked to the motor 14 and rotates by driving the motor 14, and a first crank member 16 that is provided on the rotating member 15 and supports a part 11 a of the massage member 11. And a conversion member 17 that is provided on the base member 10 and supports the other portion 11b of the massage member 11 and converts the rotational motion of the massage member 11 by the first crank member 16 into a swing motion.

  The rear base 10b has a bracket 10d for attaching the motor 14 that extends forward at a substantially central portion thereof, and a rotary shaft that is provided on the output shaft 14a of the motor 14 that extends forward at the lower end thereof. 18 bearing portions 10e. The motor 14 is attached to the base member 10 via a bracket 10d, and has an output shaft 14a whose axial direction is the vertical direction. A rotating shaft 18 having a worm gear 19 and having an axial direction as an axial direction is provided at the tip of the output shaft 14 a, and the tip (lower end) of the rotating shaft 18 can be rotated via a bearing 20. Are supported by bearing portions 10e of the rear base 10b. The rotation speed and direction of the motor 14 are controlled by a control unit (not shown) provided on the base member 10.

  On the left and right sides of the rotating shaft 18, a rotating member 15 formed of a worm wheel that meshes with the worm gear 19 is provided. The left and right worm wheels 15, 15 are rotatable in directions opposite to each other around an axis C1 whose axial direction is the front-rear direction. A rotation shaft portion 21 that is one end side of the first crank member 16 is inserted through the shaft core C1 (rotation center) of the worm wheel 15, and one end side (rotation shaft portion 21) of the first crank member 16 is The bearing member 24 is supported by bearings 24 (bearing portions 22 and 23 of the front base 10a and the rear base 10b, respectively) of the base member 10 so as to be rotatable integrally with the worm wheel 15. The eccentric shaft portion 25 which is the other end side of the first crank member 16 and is eccentric with respect to the rotation shaft portion 21 is relatively rotatable with respect to a part 11a of the massage member 11 via a bearing (not shown). Is attached.

  The massage member 11 includes a treatment arm 27 configured in a flat plate shape having a plate surface in the front-rear direction, and a plurality of treatment elements 28 provided on the front surface of the treatment arm 27 and in contact with the treatment portion. It is configured in pairs. The treatment arm 27 (massage member 11) is supported by the base member 10 by the eccentric shaft portion 25 of the first crank member 16 at the lower end portion which is a part 11a thereof. The eccentric shaft portion 25 is attached to a bearing portion 29 provided on a part 11a of the treatment arm 27 via a bearing (not shown).

  The treatment arm 27 (massage member 11) is supported on the base member 10 by a conversion member 17 that converts the rotational motion of the massage member 11 by the first crank member 16 into a swing motion at the upper end, which is the other portion 11b. . The conversion member 17 includes a rotating shaft portion 33 supported by bearing portions (bearing portions 30 and 31 respectively included in the front base 10a and the rear base 10b) included in the base member 10 via bearings (not shown), and a bearing. This is a second crank member constituted by an eccentric shaft portion 34 that rotatably supports the treatment arm 27 (not shown) and is eccentric with respect to the rotation shaft portion 33. That is, the second crank member 17 has one end attached to the base member 10 and the other end attached to the massage member 11. As shown in FIG. 6, the rotation shaft portion 33 of the second crank member 17 is located on the outer side of the left and right sides of the rotation shaft portion 21 of the first crank member 16 (rotation center C1 of the worm wheel).

[Operation of massage member]
Hereinafter, based on FIG. 7, operation | movement of the massage member 11 is demonstrated. FIG. 7 is an operation explanatory view of the massage member 11.
As shown in FIG. 6, when the motor 14 is driven by a signal from a control unit (not shown), the rotary shaft 18 provided at the tip of the output shaft 14 a of the motor 14 rotates and the worm meshed with the worm gear 19. The wheel 15 rotates around the rotation center C1. And since the 1st crank member 16 rotates integrally with the worm wheel 15, the eccentric shaft part 25 will revolve around the rotating shaft part 21 (rotation center C1 of the worm wheel 15). Therefore, as shown in FIG. 7, the fixed point 11A, which is the lower end portion 11a of the massage member 11 supported by the eccentric shaft portion 25 of the first crank member 16, performs a circular motion around the rotation center C1 along the track 11C. On the other hand, since the fixed point 11B which is the upper end portion 11b of the massage member 11 is supported by the eccentric shaft portion 34 of the second crank member 17 so as to be relatively rotatable, the eccentric shaft portion 34 of the second crank member 17 is the rotation shaft portion. Swing around 33 along the trajectory 11D in the left-right direction. That is, using the principle of a lever crank mechanism in which the first crank member 16 functions as “crank”, the massage member 11 functions as “link”, and the second crank member 17 functions as “lever”, the massage member 11 is swung from rotational motion. It can be converted into dynamic motion.

  As shown in FIG. 7, in the massaging mechanism 7 configured in this way, when the motor 14 is rotated forward, the upper end portion 11b of the massaging member 11 moves from the left and right inner side to the left and right outer side along the trajectory 11D. With respect to the back part which is a treatment part, it can rub up substantially diagonally upward along the direction of the muscle fiber (broad back muscle) shown with a broken line. Moreover, since the rotation shaft portion 33 of the second crank member 17 is located on the left and right outer sides than the rotation shaft portion 21 of the first crank member 16, the massage member 11 largely swings left and right as a whole. Therefore, the pair of left and right massage members 11, 11 can be separated greatly from each other, and a sense of extending the treatment portion (back) positioned between the pair of massage members 11, 11 in the left-right direction can be given. On the other hand, when the motor 14 is reversed, the upper end portion 11b of the massage member 11 moves along the locus 11D from the left and right outer sides to the left and right inner sides with respect to the back portion, which is the treatment portion, with muscle fibers (broad back muscles). It can be slanted downward along the direction of.

[Configuration of Massage Mechanism According to Second Embodiment]
Hereinafter, based on FIG. 8, the massage mechanism 50 according to the second embodiment will be described as a representative of the massage mechanism 50 disposed in the backrest portion 4. FIG. 8 is a front view of a massage mechanism 50 according to the second embodiment of the present invention. In addition, about the structure same as the massage mechanism 7 which concerns on 1st Embodiment mentioned above, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  In the massage mechanism 50 according to the second embodiment, the difference from the first embodiment is the configuration of the conversion member 51 that converts the rotational motion of the massage member 11 by the first crank member 16 into a swing motion. The conversion member 51 is guided by a guide groove 51a provided in the front base 10a (base member 10) that opens in the front-rear direction and a guide pin protruding rearward provided in the treatment arm 27 (massage member 11). Member 51b. The guided member 51b is inserted into the guide groove 51a and can move within the guide groove 51a following the operation of the first crank member 16.

  In addition, the direction which comprised the conversion member by the 2nd crank member 17 like 1st Embodiment mentioned above rather than the case where a conversion member is comprised by the guide groove 51a and the to-be-guided member 51b like 2nd Embodiment. This is advantageous in the following points. That is, the problem that the torque of the motor 14 decreases due to the sliding resistance when the guided member 51b moves in the guide groove 51a can be solved. Further, the problem that the guided member 51b interferes with the guide groove 51a and the operation of the massage member 11 becomes unstable can be solved. Further, the dimensional accuracy is not required for the conversion member as compared with the second embodiment.

[Configuration of Massage Mechanism According to Third Embodiment]
Hereinafter, based on FIG. 9, the massage mechanism 60 according to the third embodiment will be described as a representative of the massage mechanism 60 disposed in the backrest portion 4. FIG. 9 is a rear view of a massage mechanism 60 according to the third embodiment of the present invention. In addition, about the structure same as the massage mechanism 7 which concerns on 1st Embodiment mentioned above, the same code | symbol is attached | subjected and the description is abbreviate | omitted. In FIG. 9, the base member 10 is not shown in view of visibility.

  The massaging mechanism 60 according to the third embodiment is different from the first embodiment in the configuration of a rotating member 61 that is linked to the motor 14 and rotates by driving the motor. The rotating member 61 includes a worm wheel 62 that meshes with the worm gear 19 and a gear 63 that meshes with the worm wheel 62. The worm wheel 62 includes a first worm wheel 62a that meshes with the worm 19 and a second worm wheel 62b that can rotate integrally with the first worm wheel 62a and has fewer teeth than the first worm 62a. The second worm wheel 62b meshes with a gear 63 that can rotate about the rotation center C3. The first worm wheel 62a and the second worm wheel 62b are integrally configured to overlap in the front-rear direction, and are configured to rotate around the same rotation center C2.

  A rotation shaft portion 21 that is one end side of the first crank member 16 is inserted into the shaft core C3 (rotation center) of the gear 63, and one end side (rotation shaft portion 21) of the first crank member 16 is The bearing member 22, 23 of the base member 10 is supported via a bearing 24 so as to be rotatable integrally with the gear 63 (see also FIGS. 2 to 6). By configuring the rotating member 61 as described above, the rotation of the first crank member 16 is decelerated to another stage (two stages in the present embodiment) relative to the rotation of the output shaft 14a of the motor 14, and the first Compared with the first embodiment, the torque of the motor 14 is small.

Moreover, the massage machine of this invention is not restricted to the form to show in figure, You may be a thing of another form within the scope of this invention.
For example, in the chair-type massage machine 1, the massage mechanisms 7 and 50 may be disposed on at least one of the seat portion 3, the backrest portion 4, and the footrest 5. The footrest 5 can also be omitted. Moreover, it can also be set as the mounting type massage machine mounted on the floor surface etc. which can be carried. In the case of the placement type, it can be freely applied to the treatment part desired by the user.

  INDUSTRIAL APPLICABILITY The present invention can be applied to a massage mechanism and a massage machine that can give a massage sensation close to that of manual itching.

DESCRIPTION OF SYMBOLS 1 Massage machine 3 Seat part 4 Backrest part 7 Massage mechanism 10 Base member 11 Massage member 14 Motor 15 Warm wheel (rotating member)
16 First crank member 17 Second crank member (conversion member)
18 rotation shaft 19 worm gear 50 massage mechanism 51 conversion member 51a guide groove 51b guided member 60 massage mechanism 61 rotation member 62 worm wheel 63 gear C1 rotation center C2 rotation center C3 rotation center

Claims (6)

A base member;
A motor,
A massage member for massaging the treatment area;
A rotating member linked to the motor;
A first crank member provided on the rotating member and supporting a part of the massage member;
A massage mechanism, comprising: a conversion member that is provided on the base member and supports the other part of the massage member, and that converts a rotational movement of the massage member by the first crank member into a swinging movement. The massage mechanism according to claim 1, wherein the conversion member is a second crank member having a rotation shaft portion that is rotatably supported with respect to the base member. The massage members are paired on the left and right,
The massage mechanism according to claim 2, wherein the rotation shaft portion of the second crank member is positioned on the left and right outer sides with respect to the rotation center of the rotation member. A rotating shaft provided on the output shaft of the motor;
A worm gear provided on the rotating shaft;
The massage mechanism according to claim 3, wherein the rotating member includes a worm wheel paired on the left and right sides meshed with the left and right of the worm gear. The conversion member includes a guide groove provided in one of the base member and the massage member, and a guided member provided in either one of the guide member and fitted in the guide groove. The massage mechanism according to claim 1. A seat on which a user is seated, a backrest provided at the back of the seat, and a massage mechanism for massaging the treatment provided at the backrest,
The massage mechanism is
A base member;
A motor,
A massage member for massaging the treatment area;
A rotating member linked to the motor;
A first crank member provided on the rotating member and supporting a part of the massage member;
A massage machine comprising: a conversion member that is provided on the base member and supports the other part of the massage member, and that converts a rotational movement of the massage member by the first crank member into a swinging movement.

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