JP2008178491A - Massage chair - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a massage chair being used by a user in a relaxed state constantly and capable of executing an appropriate therapy to therapy object regions such as hand parts or arm parts in proper positions according to a reclining angle of a backrest part. <P>SOLUTION: This massage chair 1a is provided with the backrest part 12a raisably/tiltably provided in the rear part of a seat part 11a; the respective armrest parts 5a in the both sides of the seat part 11a are divided into lower upright walls 501a and movable armrest parts 502a equipped with recessed parts 52a on which the hand parts or the arm parts of a human body can be insertedly laid, and arm massaging mechanisms 51a disposed with inflation/deflation bags 4a in the upper parts of the upright walls 501a; link members 53a are interposed between the upper front parts of the upright walls 501a and the lower front parts of the movable armrest parts 502a and the rear parts of the movable armrest parts 502a and the side parts of the backrest part 12a are pivoted to swingably constitute the movable armrest parts 502a; and the respective movable arm parts 502a of the both armrest parts 5a follow the raising/tilting operation of the backrest part 12a. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention is a massage chair provided with an armrest on the chair body, on which the user's hand or arm can be placed so that appropriate treatment can be performed on the hand or arm. The present invention relates to a massage chair that is provided with an arm cramping mechanism in the armrest and capable of treating the user's hand or arm at an appropriate position according to the reclining angle of the backrest.

  2. Description of the Related Art Conventionally, massage chairs that can obtain a massage effect while sitting on a chair are known. A typical example of this type of massage chair is one that massages the back of the user with a massage mechanism built into the backrest of the chair body, such as squeezing or hitting the user. In the armrests arranged on the left and right sides of the massage chair, those equipped with an arm massage mechanism capable of massaging the user's hand or arm have become common on the market.

For example, a massage chair (Patent Document 1) as shown in FIG. 31 is disclosed as a massage chair having arm massage mechanisms in the left and right armrests of the chair body. Compressed air that can freely attach and detach human hand parts at appropriate positions on the upper surface of the chair body 2 provided with armrest parts 21 provided with rising walls 211 formed in an arc shape on both sides so that the human hand parts can be expanded and contracted. Air supply / exhaust means (inflatable bag 12 and compressed air supply / discharge device 14 communicated with each of the inflatable bag 12 and 12 through hoses 13 and 13) are arranged, and the human body is in a seated state. The hand portion is stably held on the upper surfaces of both armrest portions 21 and 21 so that the air pressure treatment can be efficiently performed from the upper surface of the human hand portion and the arm portion.
JP 2003-180774 A (page 6, FIG. 10)

  However, in this type of conventional massage chair, when reclining the backrest part, the hand or arm part placed on the armrest part must be moved to the back of the armrest part. The hand or arm is displaced from the appropriate treatment position in the arm massage mechanism provided in the arm, and in a posture lying on the chair body with the backrest reclining, proper treatment for the hand or arm cannot be performed. There was a problem.

  Moreover, since the height of the armrest part is fixed regardless of the reclining of the backrest part, the massage chair of the conventional example reclines the backrest part with the hand part or the arm part placed on the armrest part. Then, the hand or arm rises high with respect to the torso, and the user is forced to receive treatment for the hand or arm in a cramped posture. There was also a problem of bringing about.

  Therefore, the present invention has been made to solve the above-mentioned problems, and can be used in a state where the user is always relaxed, and the hand or arm at an appropriate position according to the reclining angle of the backrest. It is an object of the present invention to provide a massage chair that can perform appropriate treatment on a treatment site such as the above.

  That is, the massage chair of the present invention is provided with a backrest portion provided at the rear portion of the seat portion so as to be able to rise and fall from a standing state to a lying state, and an armrest portion is provided on each of the left and right sides of the seat portion. Each of the armrests is provided with a lower standing wall and an upper portion of the standing wall, and a recess is formed in which a hand part or an arm part of a human body can be placed. The arm is divided into movable armrests provided with an arm squeezing mechanism in which an inflatable / deflection bag capable of treating the hand or arm is disposed in the recess, and between the upper front part of the standing wall and the lower front part of the movable armrest part The movable armrest is pivotable by pivotally attaching the rear part of the movable armrest and the side of the backrest, and the movable armrests of both armrests are arranged according to the tilting operation of the backrest. It is supposed to be able to follow.

  In the massage chair of the present invention, the pivoting position between the movable armrest rear portion and the backrest side portion is a position above the reclining rotation axis of the backrest portion.

  Furthermore, the massage chair of the present invention is provided with a slide mechanism capable of adjusting the position of the movable armrest portion back and forth at the pivot position with the backrest side portion at the rear portion of the movable armrest portion.

  In the massage chair of the present invention, a slide mechanism capable of vertically adjusting the position of the rear portion of the movable armrest portion is provided at a pivot position with the rear portion of the movable armrest portion on the backrest side portion.

  Furthermore, in the massage chair of the present invention, fixing means such as a lock mechanism that can fix the position of the movable armrest portion is provided on the link member or the slide mechanism.

  Furthermore, in the massage chair of the present invention, the upper surface of the movable armrest portion on which the hand portion or arm portion of the human body can be placed also serves as the bottom surface of the concave portion of the arm massaging mechanism.

  Therefore, the massage chair of the present invention is provided with a backrest portion provided at the rear portion of the seat portion so as to be able to rise and fall from a standing state to a lying state, and an armrest portion is provided on each of the left and right sides of the seat portion. In the massage chair, the armrests are arranged at the lower standing wall and at the upper position of the standing wall, and are formed with recesses in which the hand or arm of the human body can be placed and loaded. It is divided into movable armrests that are provided with an arm squeezing mechanism in which an inflatable bag that can treat the hand part or arm part is disposed, and a link member is provided between the upper front part of the standing wall and the lower front part of the movable armrest part. The movable armrest part can be pivoted by pivotally attaching the rear part of the movable armrest part and the side part of the backrest part, and each movable armrest part of both armrest parts can follow according to the tilting operation of the backrest part. Because of this structure, the arm folding mechanism is backrest together with the movable armrest. Because it moves backward and downward following the tilting motion of the backrest, there is no displacement of the hand or arm due to the tilting motion of the backrest as in the past, and the backrest tilting motion is always performed It is possible to secure an appropriate treatment position in the arm-kneading mechanism adapted to follow, and the hand part or arm part as in the conventional case is also high against the user's torso lying on the lying backrest part Thus, the user or the arm can be secured in a suitable position without being forced to take a tight posture. As a result, the user can concentrate on comfortable treatment for the hand or arm at an appropriate position corresponding to the tilt angle of the backrest in a constantly relaxed state.

  Further, in the massage chair of the present invention, the pivoting position of the movable armrest rear part and the backrest side part is a position different from the reclining rotation axis of the backrest part, and is located above the reclining rotation axis. Because it is designed to be able to oscillate the movable armrest on the upper part of the standing wall that constitutes the armrest without affecting the back and forth movement of the backrest, it can easily assemble the massage chair It becomes.

  Furthermore, the massage chair of the present invention is provided with a slide mechanism that can adjust the position of the movable armrest portion back and forth at the pivotal position with the backrest side portion in the rear portion of the movable armrest portion. The movable armrest position can be moved back and forth in accordance with the preference and desired treatment position, and the position and angle can be adjusted so that the arm massaging mechanism becomes the position corresponding to the treatment portion of the hand or arm.

  Further, the massage chair of the present invention is provided with a slide mechanism that can adjust the position of the movable armrest rear portion up and down at the pivot position with the rear portion of the movable armrest portion on the backrest side. When the backrest is upright, move the armrest back to the top and bottom according to the user's preference and the desired treatment position, and the arm itching mechanism is compatible with the hand or arm treatment area. The position and angle of the armrest can be adjusted so that the position of the armrest can be adjusted, and when the backrest is in a lying position, the position of the movable armrest can be moved back and forth according to the user's preference and desired treatment position. Thus, the position and angle can be adjusted so that the arm kneading mechanism is in the position corresponding to the treatment part of the hand part or the arm part.

  Furthermore, when the massage chair of the present invention is provided with both a slide mechanism capable of adjusting the position of the movable armrest portion in the front-rear direction and a slide mechanism capable of adjusting the position up and down as described above, By the same adjustment, the position of the hand or arm can be adjusted according to the height and sitting height of the user.

  Further, in the massage chair of the present invention, the upper surface of the movable armrest portion on which the hand portion or arm portion of the human body can be placed is also used as the concave bottom surface of the arm massaging mechanism. Even if it is used as a normal armrest without performing treatment with the arm wrapping mechanism, the user can place the hand or arm in a stable posture as a normal armrest, and the arm wrapping mechanism of the movable armrest If you want to perform treatment, you can start treatment without having to change the position of the human body or arm with the hand or arm resting on the movable armrest. The treatment can be continued at an appropriate position corresponding to the movement.

  Furthermore, in the massage chair of the present invention, the link member or the slide mechanism is provided with fixing means such as a lock mechanism that can fix the position of the movable armrest, so that the movable chair whose position is adjusted by the user is provided. The armrest is not affected by the tilting movement of the backrest, and the position of the armrest is not changed unexpectedly. Can be done.

  Furthermore, as described above, the massage chair of the present invention combines the upper surface of the movable armrest portion and the bottom surface of the recess portion of the arm greasing mechanism, thereby reducing the cost and assembly cost during the manufacture of the arm greasing mechanism. And has an excellent aesthetic appearance.

  Below, the massage chair of this invention is demonstrated in detail based on one Embodiment shown on drawing. FIG. 1 is a perspective view showing an embodiment of the massage chair of the present invention, and FIG. 2 is a use state diagram showing an embodiment of the massage chair of the present invention. FIG. 3 is a reference diagram on the right side of the usage state showing one embodiment of the backrest, leg rest and armrest operations in the massage chair of the present invention, and FIG. 4 is the back of the massage chair of the present invention. FIG. 5 is a right side reference diagram showing a state in which the bent portion is tilted backward, and FIG. 5 is a right side reference diagram showing an embodiment in which an armrest portion of the massage chair of the present invention is provided with a slide mechanism. is there. FIG. 6 is a right side reference view showing a working state of the armchair mechanism in the massage chair according to the present invention, which is related to the front and rear sliding movements of the armbing mechanism, and FIG. 7 is a backrest portion of the massage chair according to the present invention. FIG. 8 is a right side view showing an embodiment provided with a slide mechanism, and FIG. 8 is a view showing a use state showing an embodiment concerning an up and down slide operation of an arm kneading mechanism by a slide mechanism of a backrest portion in a massage chair of the present invention. FIG. 9 is a right side reference view of the massage chair according to the present invention, and FIG. 9 is a right side reference view of the use state showing an embodiment relating to the sliding operation of the arm massage mechanism with the backrest portion of the massage chair of the present invention lying down. FIG. 11 is a right side reference view of the usage state showing an embodiment relating to the treatment range from the hand portion to the upper arm in the arm massage mechanism of the massage chair of the present invention. FIG. Massage is a right side reference diagram using state showing an embodiment in which a telescopic link member provided on the front end of the armrest portion in the chair. FIG. 12 is a right side reference partial view showing an embodiment relating to each operation of the backrest and armrest in the massage chair of the present invention, and FIG. 13 is an embodiment relating to the operation of the armrest in the massage chair of the present invention. FIG. FIG. 14 is a right side reference partial view showing an embodiment in which the massage chair of the present invention is provided with a pinching prevention member, and FIGS. 15 to 17 show an embodiment in which the pinching prevention member is provided in the massage chair of the present invention. It is a front reference fragmentary figure shown. FIGS. 18 to 23 are right side reference partial views showing an embodiment in which fixing means are provided on the link member in the massage chair of the present invention, and FIGS. 24 to 27 are slide mechanisms of the armrests in the massage chair of the present invention. FIG. 28 is a right side reference partial view showing an embodiment in which a fixing means is provided on the slide mechanism of the backrest portion in the massage chair of the present invention. 29 and 30 are reference partial right side views showing an embodiment in which a rotating slide mechanism is provided in the massage chair of the present invention. FIG. 31 is a reference diagram showing the prior art.

  As shown in the embodiment of FIGS. 1 to 3, the massage chair 1a of the present invention can be tilted from a standing state to a lying state at a seat part 11a with which a user's buttocks abuts and a rear part of the seat part 11a. The backrest portion 12a disposed on the left and right sides of the seat portion 11a is provided with armrest portions 5a.

  That is, the massage chair 1a is provided with a base body 56a made of a frame at the lower part or the side part of the seat part 11a, and the backrest part 12a is attached to the rear part of the base body 56a so that it can be tilted. The armrest portion 5a is provided on each of the left and right sides of the base body 56a to constitute the chair body 10a.

  Although details will be described later, each of the armrests 5a and 5a is provided at a lower standing wall 501a and an upper position of the standing wall 501a, and the upper surface 503a is used to treat a human hand or arm. The movable armrest 502a is divided into a movable armrest 502a. The movable armrest 502a is formed with a recess 52a in which the treatment portion can be placed and loaded. An arm kneading mechanism 51a provided with an inflatable bag 4a capable of treating the treatment portion is provided.

  Furthermore, the front part of the said chair main body 10a is equipped with the leg mounting part 13a which carries out the rotation transfer to the up-down direction from the downward position of the said seat part 11a.

  Further, the backrest portion 12a is provided with side wall portions 2a protruding forward on the left and right sides, respectively.

  As shown in FIG. 1, the backrest portion 12a is provided with a vertically movable treatment element mechanism 3a having a pair of left and right treatment elements 31a at the center thereof. The treatment element mechanism portion 3a moves up and down from the upper end to the lower end of the backrest portion 12a along a pair of left and right guide rails 32a provided on the left and right sides of the backrest portion 12a.

  The pair of left and right treatment elements 31a is a mechanical massage mechanism using a motor or the like as a drive source, and strikes the entire back surface of the user's neck, back, waist, buttocks, etc. drowning in the backrest 12a, The treatment is performed in various forms such as itching, rolling, vibration, and acupressure.

  In addition, in each predetermined position of the massage chair 1a, an inflatable bag 4a that can be repeatedly expanded and contracted by air supply and exhaust is embedded. The inflating and deflating bag 4a is inflated and deflated by air supply / exhaust by an air supply / exhaust device 41a including an air compressor and a distributor for distributing air to each of the inflating and deflating bags 4a. The device 41a is arranged at an appropriate position inside the chair body 10a.

  By the expansion / contraction operation of each expansion / contraction bag 4a... By the air supply / exhaust device 41a, a predetermined treatment site of the user can be pressed, acupressure, etc. can be carried out so as to face each other with a certain interval. When a plurality of inflatable and deflated bags 4a are arranged, treatment such as pinching can be performed on the treatment site.

  Further, when at least one or more of the inflatable and deflate bags 4a of the inflatable and deflated bags 4a by the air supply / discharge device 41a is kept in an inflated state, a predetermined treatment site of the user is held for a certain period of time. It can also be possible.

  The massage chair 1a is provided with inflatable bags 4a on the upper and lower sides of the backrest portion 12a, respectively, so as to press the user's back and waist or pinch the left and right sides. Is configured to do.

  Further, in the seat portion 11a, inflatable / deflate bags 4a for the lower heel portion and the thigh portion are respectively embedded on the rear side, and treatment is performed mainly by pressing from below to above.

  The said leg mounting part 13a is provided with the treatment mechanism for treating the leg part of a human body. That is, a pair of left and right recesses into which the shin part or the toe part of the human body leg part is respectively inserted is formed in the leg rest part 13a, and the inflatable and deflating bags 4a are provided as a pair of left and right parts in the respective recesses. Clamping treatment for the shin part and the toe part is performed inside. In addition, the expansion / contraction bag 4a can be provided also in each recessed part bottom part suitably.

  In addition, the leg rest 13a is configured to be divided into a shin treatment portion 131a and a foot tip treatment portion 132a, so that the shin portion and the foot tip portion of the human body can be individually treated. Yes.

  The left and right side wall portions 2a are disposed at positions on the side of the user's shoulder or upper arm seated on the seat portion 11a, and the left and right side wall portions 2a are respectively bulged on the inner side surfaces of the left and right side wall portions 2a. The compressed bag 4a is embedded in a parallel state. Since these superposed inflatable bags 4a have only their base ends attached to the base end of the side wall 2a, the supervised inflatable and inflatable bags 4a expand in a fan shape and pinch the side of the user's body when inflated. Cover up to the front of the body.

  Therefore, the inflatable bag 4a of the left and right side wall portions 2a can not only treat the body side part by inflating and deflating operation, but also if the user's body is in the backrest if the inflated state is maintained for a certain time. It can hold firmly so that it may not leave | separate from the part 12a, and it becomes possible to receive the treatment from the back part by the said treatment element 31a in the state which fixed the user's body.

  As described above, each armrest portion 5a is provided with a lower standing wall 501a and a concave portion 52a that is placed at an upper position of the standing wall 501a and on which a hand portion or an arm portion of a human body can be placed. In addition, the standing wall is divided into a movable armrest portion 502a provided with an arm kneading mechanism 51a in which an inflatable bag 4a capable of treating the hand portion or the arm portion is disposed in the recess 52a. A link member 53a is interposed between the upper front part of 501a and the lower front part of the movable armrest part 502a, and the rear part of the movable armrest part 502a and the side part of the backrest part 12a are pivotally attached to swing the movable armrest part 502a. The movable armrests 5a of the both armrests 5a can follow each other according to the raising / lowering operation of the backrest 12a.

  The arm kneading mechanism 51a is provided with the inflating and deflating bag 4a as described above, and configured to perform treatment on the hand or arm of the human body by the inflating and deflating operation of the inflating and deflating bag 4a. That is, in the concave portion 52a having a U-shape when viewed from the front, the respective inflatable and deflated bags 4a are respectively provided on the upper and lower sides of the concave portion 52a so as to perform the clamping treatment for the hand portion or the arm portion of the human body fitted into the concave portion 52a. Like to do. The shape of the recess 52a includes a U-shape or L-shape in front view, and a C-shape in front view. However, the shape is not limited to this as long as the hand portion or the arm portion can be fitted and held.

  Further, the upper surface of the movable armrest portion 502a on which the hand portion or arm portion of the human body can be placed also serves as the bottom surface 521a of the concave portion 52a of the arm kneading mechanism 51a.

  Further, the pivot position between the rear portion of the movable armrest portion 502a and the side portion of the backrest portion 12a is configured to be higher than the reclining rotation shaft 121a of the backrest portion 12a.

  Due to the above configuration, the posture of the hand or arm portion in the arm-resting mechanism 51a when the backrest portion 12a shown in FIG. 3 is in the standing state is the posture when the backrest portion 12a shown in FIG. 4 is in the standing state. Therefore, even if the reclining angle of the backrest portion 12a changes, it is possible to always perform treatment on the hand portion or the arm portion at an appropriate position in the arm kneading mechanism 51a.

  As the armrest portion 5a moves rearward, the link member 53a rotates rearward with the base body rotating portion 561a provided at the lower end thereof as an axis. At this time, as shown in FIG. 3, the height position of the front end turning portion 54a provided at the front end of the movable armrest portion 502a is lower than that when the backrest portion 12a is in the standing state. The height position of the rear end rotation portion 55a provided at the rear end of the armrest portion 502a is also lowered with the reclining of the backrest portion 12a. Accordingly, it is possible to prevent the hand or arm placed on the armrest 5a of the user who is lying or lying on the backrest 12a from rising as much as possible from the torso, and to relax in a relaxed state. Treatment by the mechanism 51a can be received.

  FIG. 5 and FIG. 6 show that a slide mechanism 57a that can adjust the position of the movable armrest portion 502a back and forth is provided at the pivotal position with the side portion of the backrest portion 12a in the rear portion of the movable armrest portion 502a. It is a thing. That is, the movable armrest portion 502a is provided with the slide mechanism 57a so that the rear end rotation portion 55a can be slid along the front-rear direction of the movable armrest portion 502a. With this configuration, the arm kneading mechanism 51a of the armrest portion 5a can freely adjust the front-rear position regardless of the reclining of the backrest portion 12a.

  For example, when the position of the arm kneading mechanism 51a is adjusted to the rear, the rear end rotating portion 55a is slid forward in the slide mechanism 57a, and the link member 53a is moved to the base rotating portion along with the sliding. It will rotate backward about 561a as an axis.

  FIG. 7 to FIG. 9 show a slide mechanism 122a that can adjust the rear position of the movable armrest portion 502a up and down at the pivotal position with the rear portion of the movable armrest portion 502a on the side portion of the backrest portion 12a. It is provided. That is, the slide mechanism 122a is provided on the backrest portion 12a so that the rear end rotation portion 55a can be slid in the length direction of the backrest portion 12a.

  With this configuration, when the backrest portion 12a shown in FIG. 8 is in an upright state, the arm bending mechanism 51a is moved along the length direction of the backrest portion 12a so that the height and angle of the arm bending mechanism 51a are adjusted. Further, when the backrest 12a shown in FIG. 9 is in a lying state, the front and rear positions and angles of the arm kneading mechanism 51a can be adjusted.

  When the slide mechanism 122a provided on the backrest 12a as described above and the slide mechanism 57a provided on the armrest 5a are used in combination, the front and rear position, height position, and angle adjustment of the armrest mechanism 51a are adjusted. The treatment range for the range and the hand or arm is further expanded.

  10 and 13, the link member 53a is formed longer than the above-described one, so that even when the backrest 12a is raised, the forearm, elbow, A wide range of treatment sites up to the upper arm can be treated.

  For example, when a force for moving backward from a state positioned at the foremost end is applied to the arm kneading mechanism 51a, the rear end rotating portion 55a moves to the foremost end of the slide mechanism 57a of the movable armrest portion 502a. . Thereafter, when a force is further applied backward to the arm kneading mechanism 51a, the rear end rotating portion 55a moves upward along the slide mechanism 122a of the backrest portion 12a. Thus, even if the arm portion of the user seated when the backrest portion 12a is in a standing state is bent, the arm kneading mechanism 51a is bent from the hand portion to the forearm portion and from the elbow portion to the upper arm portion. Until it can move along its limb line. In addition, by configuring the movable armrest portion 502a and the arm bending mechanism 51a so as not to interfere with the side wall portion 2a of the backrest portion 12a, or by providing the side wall portion 2a without the arm bending mechanism 51a. The slide mechanism 122a of the backrest portion 12a can be provided long so as to reach the shoulder portion of the user.

  In addition to the structure in which the link member 53a is formed long, the movement range of the arm kneading mechanism 51a can be further expanded by making it extendable. As an example, a foldable telescopic link member 53b as shown in FIG. 11 can be employed.

  For example, when the arm kneading mechanism 51a is at the foremost end position, the telescopic link member 53b is folded and contracted, and when the arm kneading mechanism 51a is at the rearmost end, the telescopic link member 53b is expanded. With this configuration, the treatment range by the arm kneading mechanism 51a can be expanded not only to the hand portion and the forearm but also to the elbow portion and the upper arm.

  In the slide of the slide mechanism 57a of the movable armrest portion 502a and the slide mechanism 122a of the backrest portion 12a, and the rotation of the link member 53a and the telescopic link member 53b, either manually or automatically such as by a motor. You may be able to adjust with. For example, a ratchet mechanism or the like can be applied as a configuration for performing such position adjustment step by step. In the case of manual operation, a hydraulic cylinder can be interposed, and in the case of electric operation, an electric actuator can be interposed. Furthermore, it may be configured to detect and automatically adjust the length of the user's arm by means of a sensor.

  Although not shown, the slide mechanism 57a and / or the slide mechanism 122a may be configured by a number of grooves and engagement protrusions provided in the adjustment direction. For example, when the rear portion of the movable armrest portion 502a is moved upward or forward, the engaging protrusion is removed from the groove, and the rear end rotation portion 55a can be moved in the slide mechanism 57a and / or the slide mechanism 122a, and the movable armrest portion 502a. The engagement protrusion can be re-filled into the groove and locked by the weight of the hand portion or arm portion.

  Further, as shown in FIG. 6, for example, in the case where the link member 53a is alternately rotated back and forth with the base body rotating portion 561a as the base axis, the alternating rotation is automatically performed by an electric motor or the like. By doing so, it is possible to rub while rubbing the hand or arm while continuously moving the position of the user's hand or arm in the arm kneading mechanism 51a.

  The massage chair 1a according to the present invention is configured to follow the reclining operation of the backrest portion 12a even when the slide mechanism 57a or the slide mechanism 122a is provided.

  14 to 16 and 18, the movable armrest portion 502a and the upright wall 501a, the movable armrest portion 502a and the base body 56a, or the movable armrest portion 502a and the seat portion 11a are configured. A pinching prevention member 58a is provided on the inner side in the width direction of the movable armrest portion 502a to prevent a part of the human body from being pinched and causing pain or injury.

  As shown in the drawing, a plate-shaped member that can shield the space between the movable armrest portion 502a and the standing wall 501a can be employed as the pinching prevention member 58a.

  Therefore, as shown in FIG. 16, regardless of the vertical movement of the movable armrest portion 502a with respect to the upright wall 501a, the pinching prevention member 58a is always shielded, and the cause of pinching a part of the human body can be eliminated. .

  In the configuration shown in FIG. 17, the pinching prevention member 58a is also provided on the outer side in the width direction of the movable armrest 502a. Thereby, not only the user seated on the seat portion 11a but also a person approaching from the outside can be protected from being caught by the operation of the movable armrest portion 502a.

  As shown in FIG. 18, the massage chair 1a according to the present invention described above is configured so that the base member 56a and the link member 53a are rotatably connected to the base member rotating part 561a. Fixing means 6a (lock mechanism) for fixing at a predetermined position in the range is provided.

  The fixing means 6a (lock mechanism) includes a rack 61a that forms arc teeth fixed to the base body 56a, and an engagement pin 62a that is fixed to an intermediate portion of the link member 53a and engages with the rack 61a. The thing comprised from these is illustrated.

  In addition, a slide groove 611a for sliding the base body rotating portion 561a is provided in the lower portion of the rack 61a, so that the link member 53a can slide along the slide groove 611a.

  Since the fixing means 6a (locking mechanism) is configured as described above, when adjusting the position of the arm kneading mechanism 51a, the arm kneading mechanism 51a is placed on the backrest 12a at a position desired by the user. It can be securely fixed without being affected by ups and downs. In addition, by releasing the engagement of the engagement pin 62a with the rack 61a, the arm folding mechanism 51a is interlocked with the raising / lowering operation of the backrest 12a as described above.

  For example, when adjusting the position of the arm kneading mechanism 51a, first, as shown in FIG. 19, when the front end portion of the movable armrest portion 502a is lifted, the engagement pin 62a engaged with the rack 61a moves upward. Since it moves, the engagement of the engagement pin 62a with the rack 61a is released.

  Next, as shown in FIG. 20, the position adjustment movement before and after the arm kneading mechanism 51a becomes possible, and the arm kneading mechanism 51a is moved to a position desired by the user.

  Thereafter, as shown in FIG. 21, by pushing down or applying a load to the front end of the movable armrest 502a, the engagement pin 62a is again engaged with the rack 61a, and the arm squeezing mechanism 51a with respect to the base 56a. Can be fixed.

  22 and 23 show a configuration in which the fixing means 6a (lock mechanism) is fixed and released by the operation lever 63a. That is, an engagement holding mechanism 64a for holding the engagement pin 62a engaged with the rack 61a is provided in the link member 53a, and an operation transmission cable is provided between the operation lever 63a and the engagement holding mechanism 64a. 67a is interposed. In the case of this configuration, the engagement pin 62a is not fixed to the link member 53a, and is engaged or released from the rack 61a by the engagement holding mechanism 64a.

  Further, the engagement holding mechanism 64a has a rod 65a for pushing down or pulling up the engagement pin 62a, and a rod 65a for constantly pushing down the engagement pin 62a to engage with the rack 61a. An urging spring 66a serving as an urging means is used.

  Therefore, when the operation lever 63a is pulled upward as shown in FIG. 23, the motion transmission cable 67a is pulled upward against the urging force of the urging spring 66a of the engagement holding mechanism 64a. 65a moves upward together with the engagement pin 62a, and the engagement pin 62a is disengaged from the rack 61a. Thereafter, the arm pinching mechanism 51a is moved back and forth so as to reach a desired position, and when the operation lever 63a is released, the engaging pin 62a is engaged with the rack 61a again by the biasing force of the biasing spring 66a. .

  The configuration in the present invention shown in FIG. 24 is that fixing means 6a (lock mechanism) for fixing the position of the arm kneading mechanism 51a after the position adjustment of the arm kneading mechanism 51a to the slide mechanism 57a provided in the armrest portion 5a. ). That is, as the fixing means 6a (locking mechanism), a rack 61a is provided in the slide mechanism 57a, and an engagement pin 62a connected to the rear end rotating portion 55a is engaged with the rack 61a.

  The engagement pin 62a can be engaged with or released from the rack 61a of the slide mechanism 57a by pushing and pulling the rear end portion of the movable armrest portion 502a up and down. For example, as shown in FIG. 25, when the rear end portion of the movable armrest portion 502a is pulled up, the engagement of the engagement pin 62a in the rack 61a is released, and then, as shown in FIG. Then, as shown in FIG. 27, the engaging pin 62a is engaged with the rack 61a again by pushing down the rear end of the movable armrest 502a or applying a load. The position of the arm kneading mechanism 51a is fixed.

  In the configuration shown in FIG. 27, the slide mechanism 122a provided on the backrest 12a is provided with a fixing means 6a (lock mechanism) for fixing the position of the arm kneading mechanism 51a after the position adjustment by the slide mechanism 122a. It is provided. That is, as the fixing means 6a (locking mechanism), a rack 61a is provided in the slide mechanism 122a, and an engaging pin 62a connected to the rear end rotation portion 55a is engaged with the rack 61a.

  The engagement pin 62a in the slide mechanism 122a is engaged with or released from the rack 61a, and the position adjustment of the arm kneading mechanism 51a at the time of the release is performed in the slide mechanism 57a provided in the armrest portion 5a. It is the same as the fixing means 6a (lock mechanism), and the engagement pin 62a is engaged or released by pushing and pulling the rear end portion of the movable armrest portion 502a up and down. After adjusting the position of 51a, by pushing down the rear end of the movable armrest 502a or applying a load, the engagement pin 62a engages with the rack 61a and the position of the arm kneading mechanism 51a is fixed. It is.

  29 and 30 show a rotating slide mechanism 7a as a single mechanism that combines the functions of the slide mechanism 57a provided on the armrest portion 5a and the slide mechanism 122a provided on the backrest portion 12a. Is provided on the chair body 10a.

  That is, the rear end rotation portion 55a is provided at a position decentered from the rotation center of the rotation slide mechanism 7a. The rotation of the rotation slide mechanism 7a causes the arm itch as shown in FIG. The vertical and horizontal positions and angle of the mechanism 51a can be freely adjusted. The rotating slide mechanism 7a is configured to be rotated by electric or manual driving means 73a.

  Specifically, a large gear 71a is provided on each of the left and right sides of the backrest portion 12a, and a synchronous rotation control gear 72a for synchronously rotating the left and right large gears 71a includes a large gear 71a and the driving means 73a. It can be interposed between.

  Therefore, the rotation of the driving means 73a is transmitted to the large gear 71a via the synchronous rotation control gear 72a, so that the position of the rear end rotating portion 55a can be moved.

  It is to be noted that the treatment is such that the user's hand or arm placed on the movable armrest portion 502a, and the upper arm portion and the shoulder portion are moved and moved by continuously rotating the driving means 73a. In addition, the arm massage mechanism 51a can be used in combination with the inflating / deflating operation of the inflating / deflating bag 4a or with the inflating / holding, and the treatment can be performed uniformly while periodically changing the position of the treatment portion. It is also possible to perform a rubbing effect on the treated part.

It is a perspective view which shows one Embodiment of the massage chair of this invention. It is a use condition figure showing one embodiment of a massage chair of the present invention. It is a right-side reference view of the use state which shows one Embodiment regarding each operation | movement of the backrest part, leg rest part, and armrest part in the massage chair of this invention. It is a reference figure on the right side of the use condition which shows one embodiment which laid down the back part of the massage chair of the present invention back. It is a right side reference figure showing one embodiment provided with a slide mechanism in an armrest part of a massage chair of the present invention. It is a reference figure on the right-hand side of the use condition which shows one Embodiment regarding the back-and-front slide operation | movement of the arm kneading mechanism by the slide mechanism of the armrest part in the massage chair of this invention. It is a right side reference view showing one embodiment provided with a slide mechanism in the backrest part of the massage chair of the present invention. It is a reference figure on the right-hand side of the use condition which shows one Embodiment regarding the up-and-down slide operation | movement of the arm massage mechanism by the slide mechanism of the backrest part in the massage chair of this invention. It is a right-hand side reference view of the use state which shows one Embodiment regarding the slide operation | movement of the arm crawl mechanism in the state which turned down the backrest part of the massage chair of this invention. It is a reference figure on the right side of the use condition which shows one Embodiment regarding the treatment range from the hand part to the upper arm in the arm massage mechanism of the massage chair of this invention. It is a right-side reference view of the use state which shows one Embodiment which made the link member provided in the front end of the armrest part in the massage chair of this invention extendable. It is a right-hand side reference fragmentary view which shows one Embodiment regarding each operation | movement of the backrest part and armrest part in the massage chair of this invention. It is a right-side reference fragmentary view which shows one Embodiment regarding operation | movement of the armrest part in the massage chair of this invention. It is a right-hand side reference fragmentary view which shows one Embodiment which provided the pinching prevention member in the massage chair of this invention. It is a front reference fragmentary figure which shows one Embodiment which provided the pinching prevention member in the massage chair of this invention. It is a front reference fragmentary figure which shows one Embodiment which provided the pinching prevention member in the massage chair of this invention. It is a front reference fragmentary figure which shows one Embodiment which provided the pinching prevention member in the massage chair of this invention. It is a right side reference partial view showing one embodiment which provided a fixing means to a link member in a massage chair of the present invention. It is a right side reference partial view showing one embodiment which provided a fixing means to a link member in a massage chair of the present invention. It is a right side reference partial view showing one embodiment which provided a fixing means to a link member in a massage chair of the present invention. It is a right side reference partial view showing one embodiment which provided a fixing means to a link member in a massage chair of the present invention. It is a right side reference partial view showing one embodiment which provided a fixing means to a link member in a massage chair of the present invention. It is a right side reference partial view showing one embodiment which provided a fixing means to a link member in a massage chair of the present invention. It is a reference partial view of the right side surface showing an embodiment in which fixing means is provided in the slide mechanism of the armrest in the massage chair of the present invention. It is a reference partial view of the right side surface showing an embodiment in which fixing means is provided in the slide mechanism of the armrest in the massage chair of the present invention. It is a reference partial view of the right side surface showing an embodiment in which fixing means is provided in the slide mechanism of the armrest in the massage chair of the present invention. It is a reference partial view of the right side surface showing an embodiment in which fixing means is provided in the slide mechanism of the armrest in the massage chair of the present invention. FIG. 5 is a right side reference partial view showing an embodiment in which a fixing means is provided in a slide mechanism of a backrest part in the massage chair of the present invention. It is a right side reference partial view showing one embodiment which provided a rotation slide mechanism in the massage chair of the present invention. It is a right side reference partial view showing one embodiment which provided a rotation slide mechanism in the massage chair of the present invention. It is a reference figure which shows a prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1a Massage chair 10a Chair main body 11a Seat part 12a Backrest part 121a Reclining rotation shaft 122a Slide mechanism 13a Leg mounting part 131a Thigh treatment part 132a Foot tip treatment part 2a Side wall part 3a Treatment element mechanism part 31a Treatment element 32a Guide rail 4a Swelling Compressed bag 41a Air supply / discharge device 5a Armrest 501a Standing wall 502a Movable armrest 503a Upper surface 51a Arm massaging mechanism 52a Recess 521a Bottom surface 53a Link member 53b Telescopic link member 54a Front end rotation portion 55a Rear end rotation portion 56a Base body 561a Moving part 57a Slide mechanism 58a Anti-pinch member 6a Fixing means (lock mechanism)
61a Rack 611a Slide groove 62a Engagement pin 63a Operation lever 64a Engagement holding mechanism 65a Rod 66a Energizing spring 67a Motion transmission cable 7a Rotating slide mechanism 71a Large gear 72a Synchronous rotation control gear 73a Driving means

Claims (6)

A backrest portion provided so as to be able to rise and fall from a standing state to a lying state at the rear portion of the seat portion, and a massage chair provided with armrest portions on each of the left and right sides of the seat portion, The armrest portion is provided at a lower standing wall and at an upper position of the standing wall, and a concave portion is formed in which a hand portion or an arm portion of a human body can be placed and loaded, and the hand portion or the arm portion is formed in the concave portion. Is divided into movable armrests provided with an arm kneading mechanism in which an inflatable and deflateable bag is disposed, and a link member is interposed between the upper front part of the standing wall and the lower front part of the movable armrest part. The movable armrest rear part and the backrest side part are pivotally attached so that the movable armrest part can swing, and each movable armrest part of both armrest parts can follow according to the tilting motion of the backrest part. Massage chair to do. The massage chair according to claim 1, wherein a pivot position between the rear portion of the movable armrest portion and the side portion of the backrest portion is a position above the reclining rotation axis of the backrest portion. The massage mechanism according to claim 1 or 2, wherein a slide mechanism capable of adjusting the position of the movable armrest portion back and forth is provided at a pivot position with the backrest side portion at the rear portion of the movable armrest portion. Chair. The slide mechanism which can adjust a movable armrest rear part position up and down is provided in the pivoting position with the rear part of the movable armrest part in the backrest part side part. Massage chair according to crab. The massage chair according to claim 1, wherein the link member or the slide mechanism is provided with a fixing means capable of fixing the position of the movable armrest portion. The massage chair according to claim 1, wherein an upper surface of the movable armrest portion on which a hand portion or an arm portion of a human body can be placed also serves as a concave bottom surface of the arm massaging mechanism.

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