Massager

[0050] Hereinafter, a massage machine according to an embodiment of the present invention will be specifically explained with reference to the drawings.

[0051] Fig. 1 is a perspective view showing the external structure of the massage machine 1, and Fig. 2 is a plan view of the massage machine shown in Fig. 1. The massage machine 1 shown in FIGS. 1 and 2 is mainly a machine for massaging body parts such as the feet or arms of a person to be treated, and a cover for covering during use is omitted in the illustration.

[0052] As shown in FIGS. 1 and 2, the massage machine 1 includes a rectangular base plate 2 that is long in the left-right direction, and includes a right-side massage machine 1a and a left-side massage machine 1b on the upper part. These massage machines 1a and 1b are equipped with a side massage unit (first massage unit) 3 that massages the body parts of the person to be treated from the side, and can also massage the body parts from the back side. Back massage unit (second massage unit) 4 for massage. Moreover, both massage machines 1a and 1b are equipped with the 1st motor 5 and the 2nd motor 6 as a common drive source. As will be described in detail below, the first motor 5 causes the side massage unit 3 to perform rubbing massage, or the back massage unit 4 to perform percussion massage. The second motor 6 causes the side massage unit 3 to perform rubbing massage. The first motor 5 and the second motor 6 are arranged side by side at the center position in the longitudinal direction of the substrate 2.

[0053] The first electric motor 5 is provided with an output shaft downward, and the output shaft is connected to a first rotating shaft 8 extending from the speed reducer 7 in the left-right direction (the longitudinal direction of the base plate 2) through the speed reducer 7. Therefore, the rotational force of the first motor 5 can be appropriately decelerated by the reducer 7 and can be transmitted to the first rotating shaft 8, and can be transmitted from the first rotating shaft 8 to the side massage unit 3 and the back massage unit 4. In addition, the right-side massage machine 1a and the left-side massage machine 1b form a roughly bilaterally symmetrical structure. Therefore, in the following description, the right-side massage machine 1a will be mainly described. In the description of the left-side massage machine 1b, two massage machines 1a and 1b will be described. The common structure in 1b is omitted.

[0054] Back massage unit

[0055] Fig. 3 is a perspective view when the massage machine 1 shown in Fig. 1 is viewed from another direction, and shows a state in which the side massage unit 3 is removed. In addition, FIG. 4 is a schematic side view showing the structure of the back massage unit 4. As shown in Fig. 3, the right end of the first rotating shaft 8 is located between the speed reducer 7 arranged in the center of the base plate 2 and the right end of the base plate 2. At the right end of the first rotating shaft 8, The clutches 10 and 11, which are one-way clutches such as cam clutches, are provided with a spur gear-shaped drive gear 12 and a cam 13 (see FIG. 4). The other clutch 10 is configured to transmit the rotation of the first rotating shaft 8 in only one direction to the drive gear 12. Therefore, both the driving gear 12 and the rotating shaft 8 can only rotate together in one direction (clockwise in FIG. 4), and even when the first rotating shaft 8 rotates in the other direction, the driving gear 12 does not rotate. The other clutch 11 is configured to transmit only the rotation of the first rotating shaft 8 in the other direction to the cam 13. Therefore, both the cam 13 and the first rotating shaft 8 can only rotate in the other direction (counterclockwise in FIG. 4), and the cam 13 does not rotate even when the first rotating shaft 8 rotates in one direction.

[0056]A back support plate 14 is provided on the base plate 2 to cover the drive gear 12 and the cam 13 from above. As shown in FIG. 4, the back support plate 14 is substantially in the shape of a door when viewed from the side, and its upper surface forms a support surface 14a for supporting the back of the body part of the person to be treated. As shown in FIG. 3, a plurality of slits 14b (three in this embodiment) extending in the longitudinal direction (front-rear direction) of the supporting surface 14a are formed. The hanging plate 14c extends downward from the left and right ends of the support surface 14a. The size of the hanging plate 14c in the front-rear direction is substantially the same as that of the supporting surface 14a, and a supporting hole 14d penetrating in the left-right direction is formed in the rear part.

[0057] As shown in FIG. 4, under the support surface 14a, there is provided a backside treatment implementation plate 15 for tapping and massaging the back of the body part of the person to be treated. The back surface treatment implementation plate 15 has a plate-shaped bottom portion 15a that is elongated in the front-rear direction and a plurality of treatment implementation protrusions 15b protruding from the upper surface of the bottom portion 15a. The treatment implementation protrusions 15b have a cylindrical shape and are arranged in three rows in the front-rear direction. In addition, a rocking shaft 16 for rocking the shaft core laterally is provided from the side surface of the rear (base) of the bottom 15a. The bottom 15a supports the rocking shaft 16 with the support hole 14d, and can be rocked in the vertical direction with the rocking shaft 16 as the center. When positioned upward, each treatment implementation protrusion 15b forms a slit that passes through the support surface 14a from below. The state where 14b protrudes upward.

[0058] An arm 17 extending downward is provided near the base of the bottom 15a of the backside treatment implementation plate 15. At the lower end of the arm 17, a synthetic resin wheel 17a is rotatably supported. The wheel 17a is configured to rotate on the circumferential surface of the cam 13 provided on the first rotating shaft 8 via the clutch 11. Therefore, when the cam 13 and the first rotating shaft 8 are driven by the first motor 5 to rotate in the other direction (counterclockwise in FIG. 4), the wheel 17a is maintained in contact with the peripheral surface of the cam 13 While rotating, the cam 13 moves closer to or away from the first rotating shaft 8 in accordance with the outer peripheral shape of the cam 13. The movement of such a wheel 17a is transmitted to the back surface treatment implementation plate 15 through the arm portion 17, and the back surface treatment implementation plate 15 swings in the vertical direction with the swing shaft 16 as the center. As a result, when the back surface treatment implementation plate 15 is raised, the back surface of the body part of the person to be treated supported on the support surface 14a can be hit and massaged by the plurality of treatment implementation protrusions 15b. In addition, since the drive gear 12 at this time is provided on the first rotating shaft 8 via the clutch 10, it does not rotate together with the first rotating shaft 8 when the hammer massage is performed as described above.

[0059] Side massage unit

[0060] On the other hand, as shown in FIG. 3, a second rotating shaft 20 extending in parallel with the first rotating shaft 8 is provided at a central position in the front-rear direction of the substrate 2. The second rotating shaft 20 is integrally provided with a driven gear 21 that meshes with the driving gear 12 provided on the first rotating shaft 8. Therefore, when the first rotating shaft 8 rotates in one direction, its rotating force is transmitted to the second rotating shaft 20 via the drive gear 12 and the driven gear 21 to rotate it. In addition, on the left and right sides of the back massage unit 4, side treatment implementing mechanisms 22, 22 that are driven by the rotational force of the second rotating shaft 20 to form a pair of left and right sides of the side massage unit 3 are arranged.

[0061] 5 is a perspective view showing the structure of the side treatment implementing mechanism 22 forming the right side of the side massage unit 3 of the right side massage unit 1a shown in FIG. 1, and FIG. 6 is a view of the side surface shown in FIG. 5 from a different direction A perspective view of the treatment implementing mechanism 22. 7 is a cross-sectional view showing a cross-sectional shape when the side treatment implementing mechanism 22 shown in FIG. 5 is cut along the line VII-VII. Since the left and right side treatment implementing mechanisms 22 and 22 have a symmetrical structure, when the right side treatment implementing mechanism 22 is described below, detailed description of the left side treatment implementing mechanism 22 will be omitted.

[0062] First, as shown in FIG. 1, the side treatment implementation mechanism 22 includes a side moving plate 30 formed in a rectangular shape. The side moving plate 30 has through holes 31 and 31 formed at both ends in the longitudinal direction, and a cylindrical pipe 32 is inserted into the through hole 31 to be fixed. The massage machine 1 has two guide rods 33, 33 extending in the left-right direction (the length direction of the base plate 2 or the axis direction of the first rotating shaft 8) above the front and rear ends of the base plate 2. The guide rod 33 is erected The flanges 2a provided on the left and right ends of the base plate 2 support both ends. In addition, the lateral moving plate 30 of the side treatment implementing mechanism 22 is arranged such that the catheter 32 is externally fitted on the guide rod 33 (see also FIG. 5 ), and can move in the left-right direction along the guide rod 33.

[0063] As shown in FIGS. 6 and 7, a through hole 35 is formed at the center position in the longitudinal direction of the side moving plate 30, and a spur gear-shaped drive gear 36 is attached to the through hole 35. In more detail, as shown in FIG. 7, the drive gear 36 has a gear portion 36 a formed with teeth on a circumferential portion, and a cylindrical portion 36 b protruding from the gear portion 36 a in a coaxial core shape. In the driving gear 36, the cylindrical portion 36 b is inserted into the through hole 35 in a state in which the gear portion 36 b is exposed outside the side moving plate 30. Therefore, the drive gear 36 is configured to be rotatable in a state of being attached to the through hole 35 of the lateral moving plate 30.

[0064] The drive gear 36 is provided with a through hole 36c penetrating the gear portion 36a and the cylindrical portion 36b, and the second rotating shaft 20 (see FIGS. 1 and 2) is inserted through the through hole 36c, and the end of the second rotating shaft 20 Flange 2b is used for pivotal support. As shown in FIG. 5, on the inner circumferential surface of the through hole 36c, two engagement grooves 36d extending in the axial direction of the drive gear 36 are formed at two places in the circumferential direction. On the outer peripheral surface, two engagement protrusions 20a extending in the axial direction are formed at two places in the circumferential direction (see also FIG. 2). The second rotating shaft 20 inserts such an engagement protrusion 20a into the engagement groove 36d and penetrates the through hole 36c. Therefore, the drive gear 36 can move relative to the second rotating shaft 20 in the axial direction of the second rotating shaft 20 extending to the engagement groove 36d and the engagement protrusion 20a. On the other hand, the drive gear 36 and the second rotating shaft 20 can only rotate integrally.

[0065] As shown in FIG. 7, on the side moving plate 30, the crank 37 is rotatably supported at a position above the driving gear 36. The crank 37 has two crank journals 37a and a crank pin 37b therebetween, and pivotally supports the crank journal 37a in a state where the direction of the rotation shaft core and the rotation shaft core of the drive gear 36 (left-right direction) coincide. In addition, one crank journal 37a protrudes to the outside of the lateral moving plate 30, and a driven gear 38 meshing with the driving gear 36 from above is attached to this protruding portion. Therefore, when the drive gear 36 rotates, the driven gear 38 also rotates, and the crank pin 37 b of the crank 37 revolves around the rotation axis of the crank 37.

[0066] As shown in FIG. 7, the crank pin 37 b pivotally supports the lower end of the conduction rod 40 extending in the vertical direction. On the upper end of the conduction rod 40, the vertical movement plate 42 is supported by the pivot 41. The up-and-down moving plate 42 is set so that its normal direction coincides with the left-right direction. As shown in FIG. 5, two round guide rods 43 arranged at a predetermined interval from the side moving plate 30 extend upward, and a support plate 44 having a groove-like cross section is erected between the upper ends.

[0067] The front and rear ends of the vertical moving plate 42 are provided with rod receiving holes 45 through which the guide rod 43 is inserted in the upper and lower places. The vertical moving plate 42 has a structure capable of moving in the vertical direction along the guide rod 43. As shown in FIGS. 6 and 7, one side of such a vertical moving plate 42 (the left side of FIG. 7), that is, the side on the left side of the side treatment implementation mechanism 22, is installed through the support part 47. Therapy implementation board 46. The side treatment implementation plate 46 is formed in a rectangular shape that is long in the front-rear direction, and a plurality of flat hemispherical treatments are provided on the surface (the left side of FIG. 7) facing the body part of the person to be treated Implementation protrusion 46a.

[0068] The side treatment implementation mechanism 22 having such a structure operates as follows. That is, when the first motor 5 is driven to rotate the drive gear 12 in one direction together with the first rotation shaft 8 (see FIG. 1), the second rotation shaft 20 rotates together with the drive gear 21 (see FIG. 5). Then, the driving gear 36 provided on the second rotating shaft 20 rotates, and the crank 37 rotates together with the driven gear 38. As a result, the up-and-down moving plate 42 connected to the crank pin 37b via the conductive rod 40 and the side treatment implementation plate 46 reciprocate in the up and down direction (scrubbing action). Also, since the cam 13 arranged adjacent to the drive gear 12 at this time is provided on the first rotating shaft 8 via the clutch 11, it does not rotate together with the rotating shaft 8 when the side treatment implementation plate 46 is reciprocated as described above. Therefore, the back massage unit 4 does not work.

[0069] As described above, the side surface treatment implementation mechanism 22 is arranged to face left and right across the back massage unit 4 to constitute the side massage unit 3. In addition, the side treatment implementing mechanism 22 arranged on the right side and the side treatment implementing mechanism 22 arranged on the left side are set so that the phase of the crank 37 is different from each other by 180 degrees. Accordingly, a pair of side treatment implementing mechanisms 22, 22 arranged opposite to each other reciprocates in the direction of movement of the side treatment implementing plates 46, 46 opposite to each other, for example, when one side treatment implementing plate 46 rises, the other One side treatment implementation plate 46 descends and reciprocates (rubbing motion).

[0070] If such a rubbing action is adopted, it is possible to perform an appropriate rubbing massage on the body part of the person to be treated placed between the left and right side treatment implementation plates 46. That is, in the case of the side massage unit 3 of the present embodiment, the left and right side treatment implementation plates 46 formed as a pair as described above reciprocate in opposite directions of movement, and therefore move together with the one side treatment implementation plate 46. Floating body parts are not easy to happen. Therefore, the side treatment implementation plate 46 can slide in the up and down direction while contacting the body part, so that the body part can be rubbed and massaged reliably.

[0071] Distance change agency

[0072] Next, a mechanism (distance changing mechanism) for changing the facing distance of the side treatment implementing mechanisms 22, 22 forming the side massage unit 3 will be described. This mechanism is used to adjust the opposing distance of the pair of side treatment implementing plates 46, 46 when performing the above-mentioned rubbing massage, and to make the pair of side treatment implementing plates 46, 46 approach each other and press the body parts for rubbing massage Institutions used.

[0073] As shown in FIG. 1, the 2nd motor 6 with which the massage machine 1 is equipped is installed so that an output shaft may be downward. As shown in FIG. 2, the output shaft is connected to a ball screw 51 extending from the speed reducer 50 in the left-right direction (the longitudinal direction of the base plate 2) through the speed reducer 50. The ball screw 51 has approximately the same length as the base plate 2, and both ends are pivotally supported by flanges 20. On the other hand, as shown in FIG. 5, a ball nut 52 is provided on the lateral moving plate 30 of the side treatment implementing mechanism 22, and the screw 51 is inserted into the ball nut 52 (refer to FIG. 1).

[0074] In addition, this ball screw 51 rotates in opposite directions at the part 51a from the speed reducer 50 to the back massage unit 4 and the part 51b from the back massage unit 4 to the flange 2b. Therefore, when the second motor 6 is driven and the ball screw rotates in one direction, the left and right side surface treatment implementing mechanisms 22 forming a pair move in the direction of approaching each other. When the ball screw 51 rotates in the other direction, the left and right side surfaces apply The treatment implementing mechanism 22 moves away from each other. Furthermore, by moving the left and right side treatment implementing mechanisms 22 to a place close to each other, the body parts of the person to be treated located in between can be pressed from both sides by the side treatment implementing plates 46 to perform a rubbing massage.

[0075]In addition, the massage machine 1 is also provided with a first motor 5 for performing the rubbing massage and a second motor 6 for moving the side treatment implementing mechanism 22 sideways independently of each other, so that it can be independently controlled by the side treatment implementing plate 46. The rubbing massage action and the movement to the side. Therefore, it is possible to perform rubbing massage on the basis of adjusting the distance between the left and right side treatment implementing plates 46 and 46 according to the preference and body size of the person being treated. Moreover, the treatment implementing plate 46 can also be used during the execution of rubbing massage. Move to the side to adjust the contact pressure with body parts.

[0076] As described above, according to the massage machine 1 of this embodiment, the first rotating shaft 8 can be driven by the first motor 5 to move the first rotating shaft 8 to the other side with the back support plate 14 supporting the body part of the person to be treated. When the direction is rotated, on the one hand, the back massage unit 4 can be driven to massage the back of the body part. On the other hand, when the first rotating shaft 8 is rotated in one direction, the side massage unit 3 can be driven to rub and massage the side of the body part. unit. In addition, when the second motor 6 is driven to rotate the ball screw 51 in one direction, the pair of side treatment implementation plates 46 and 46 of the side massage unit 3 approach each other, and the body part can be pressed and massaged. In addition, since the side treatment implementation plates 46, 46 can approach or deviate from each other in accordance with the direction of rotation of the second motor 6, the side treatment implementation plates during rubbing and massage can be adjusted according to the preferences and body size of the person being treated. 46 Contact pressure with body parts.

[0077] In addition, in the above description, the back massage unit 4 has been described with a structure in which the back of the body part supported by the back support plate 14 for percussion massage is described, but it is not limited to this structure, and may have other structures.

[0078] Other structures of the back massage unit

[0079] FIG. 8 is a schematic side view showing the structure of the back massage unit 60 capable of rubbing and massaging the back of the body part. As shown in FIG. 8, the back massage unit 60 has a substantially gate-shaped back support plate 61 having the same appearance as the massage unit described in FIG. 4, and the upper surface of the back support plate 61 is formed to support the back of the body part of the subject. Support surface 61a. A plurality of slits (not shown) extending in the longitudinal direction of the support surface 61a are formed, and the hanging plate 61c extends downward from the left and right ends of the support surface 61a. The size of the hanging plate 61c in the front-rear direction is substantially the same as that of the support 61a, and a guide hole 61d with a predetermined length extending in the front-rear direction is formed.

[0080] Below this support surface 61a, there is provided a back treatment implementation plate 62 for rubbing and massaging the back of the body part of the person to be treated. The back surface treatment implementation plate 62 has a base portion 62a having a rectangular plate shape in plan view and a plurality of treatment implementation protrusions 62b protruding from the upper surface of the base portion 62a. The treatment execution protrusion 62b has the same structure as the treatment execution protrusion 15b of the backside treatment execution plate 15 for tapping massage, but may have other shapes such as a hemispherical shape. Two protrusions 62c arranged front and rear are provided from the side surface of the base 62a. The back surface treatment implementation plate 62 is provided with the protrusion 62c in a state where it is inserted through the guide hole 61d of the back support plate 61. At this time, the treatment implementation protrusion 62b of the back surface treatment implementation plate 62 supports the plate 61 from the back A slit (not shown) formed on the support surface 61a protrudes upward. Therefore, the back surface treatment implementation plate 62 can move the treatment implementation protrusion 62b in the front-rear direction along the guide hole 61d in a state where it protrudes upward from the support surface 61a.

[0081] An arm portion 63 extending downward is provided from the base portion 62a of the backside treatment implementation plate 62. The lower end of the arm portion 63 is pivotally supported by one end of the connecting rod 64, and the other end of the connecting rod 64 is pivoted by the protrusion 13a of the cam 13 provided on the first rotating shaft 8 via the clutch 11 Support. The cam 13, the connecting rod 64, and the arm portion 63 form a connecting mechanism 65 that converts the rotation movement of the first rotating shaft 8 into the reciprocating movement of the back surface treatment implementation plate 62 and transmits it.

[0082] In the case of such a back massage unit 60, when the cam 13 and the first rotating shaft 8 rotate in the other direction (counterclockwise in FIG. 8) together with the driving of the first motor 5 (refer to FIG. 1), the The rotation movement is converted into a reciprocating movement in the front-rear direction by the link mechanism 65 and transmitted. As a result, the projection 62c of the back surface treatment implementation plate 62 is guided by the guide hole 61d to reciprocate in the front-rear direction. At this time, when the body part of the person to be treated is supported by the supporting surface 61a, the back treatment implementation plate 62 can reciprocate along the surface of the back of the body part to rub and massage the back of the body part.

[0083] 9 is a schematic side view showing the structure of another back massage unit 70 capable of rubbing and massaging the back of a body part, and FIG. 10 is an operation diagram of the back massage unit 70 shown in FIG. 9. As shown in FIG. 9, the back massage unit 70 has a substantially door-shaped back support plate 71 to which the foot 71b is fixed to the base plate 2, and a slit (not shown) is formed on the upper plate 71a. From the front and rear ends of the upper plate 71a to the lower part of the leg portion 71b, a plate-shaped rib 71c extending along the leg portion 71b is provided to reinforce the back support plate 71. Such ribs 71c may be provided to the back support plates 41 and 61 respectively provided in the back massage units 4 and 60 shown in FIGS. 4 and 8.

[0084] Above the upper plate 71a of the back support plate 71, a back treatment implementation plate 72 for rubbing and massaging the back of the body part of the person to be treated is provided. The back surface treatment implementation plate 72 has a base portion 72a having a rectangular plate shape in plan view, and a plurality of treatment implementation protrusions 72b protruding from the upper surface of the base portion 72a, and the treatment implementation protrusions 72b are formed in a hemispherical shape.

[0085] On the lower surface of the front portion of the base 72a, one end (upper end) of the rocking lever 73 is supported by a pivot not shown, and on the lower surface of the rear of the base 72a, the other rocking lever 74 is supported by a pivot (not shown) One end (upper end). The steering rocker levers 73 and 74 hang downward from the pivot through a slit formed on the upper plate 71a of the back support plate 71. Further, on the front and rear of the substrate 2 below the back support plate 71, supporting protrusions 75 and 75 extending upward on the upper surface of the substrate 2 are provided. In addition, the other ends (lower ends) of the front and rear swing levers 73 and 74 are supported by the pivot shaft 75 a provided on the upper portion of the front and rear support protrusion 75.

[0086] In this way, the back treatment implementation plate 72 supported from below by the rocking rods 73 and 74 is arranged with the rocking rods 73 and 74 standing upright with respect to the base plate 2 so that there is a gap slightly above the upper surface of the upper plate 71 a of the back supporting plate 71.

[0087] In addition, a rotating plate 77 is provided on the first rotating shaft 8 (refer to FIG. 1) via the clutch 11 (refer to FIG. 4). At an eccentric position deviated from the rotation center of the rotation plate 77, a pivot shaft 77a parallel to the rotation center axis of the rotation plate 77 is provided, and one end of the connecting rod 78 is supported by the pivot shaft 77a. The other end of the connecting rod 78 is supported by the pivot shaft 74a in the middle of the rocking rod 74 on the rear side.

[0088] In the case of such a back massage unit 70, when the rotating plate 77 rotates in the other direction together with the first rotating shaft 8 by the driving of the first motor 5, the connecting rod 78 reciprocates in the front-rear direction, and this In reciprocating motion, the rocking levers 73 and 74 rock in the front-rear direction with the pivot shaft 75a as the center. As a result, the back surface treatment implementation plate 72 supported on the upper ends of the rocking levers 73 and 74 reciprocates in the front-rear direction. At this time, if the body part of the person to be treated is supported by the backside treatment implementation plate 72, the backside treatment implementation plate 72 can reciprocate along the surface of the back of the body part to rub and massage the back of the body part.

[0089] Industrial applicability

[0090] The invention can be used in a massage machine capable of appropriately rubbing and massaging body parts. In addition, the present invention can be applied to a massage machine that can perform massage according to individual differences in the size of body parts and each person's preference for the strength of massage power.