TW202038818A - Chair-type massage machine - Google Patents

Abstract

In the chair-type massage machine (1), a footrest portion (5) is stored securely in a space below a seat portion (3) so as not to interfere with sitting down or standing up. The chair-type massage machine (1) of the present invention provides a footrest extending and retracting mechanism that moves the footrest portion (5) back and forth between a storage position located beneath the seat portion (3) and a projecting position located forward of the storage position. The footrest extending and retracting mechanism is configured to perform a first stage which changes the posture of the footrest portion (5) to a forward-facing posture in which the leg insertion portion faces forward and a second stage in which the footrest portion (5) is moved to the projecting position while maintaining the forward-facing posture when the footrest portion (5) is moved toward the projecting position.

Description

Chair type massage machine

The present invention relates to a chair-type massage machine provided with a footrest that massages the lower limbs of a user seated on a seat without being able to retreat.

In the conventional technology, a chair-type massage machine equipped with a footrest for massaging the lower limb treatment part of a user seated on the seat, such as the model of Patent Document 1, is known. The massage machine of Patent Document 1 is formed as a bucket seat in which the backrest and the seat are integrated, and the massage mechanism is guided up and down along a rack part arranged in a wide range from the upper end to the lower end of the backrest , You can treat a wide range from shoulder to waist. In addition, the massage machine of Patent Document 1 is equipped with a footrest on the front side of the seat. When massaging the user’s lower limbs, the footrest is lifted forward and upward, and the lower limbs are inserted into the lift to be almost the same as the seat. The high footrest can massage the lower limbs. [Prior Technical Literature] [Patent Literature]

[Patent Document 1] JP 2015-231408 A

[The problem to be solved by the invention]

However, the massage machine of Patent Document 1 can be installed in a state where the footrest is placed on the floor or the like on the front side of the seat when not performing massage. Therefore, for example, when you want to sit on the seat or stand up from the seat, the footrest placed on the ground may be an obstacle. Moreover, according to the size of the space in which the foot rest is placed, the installation space of the massage machine will be relatively large. Therefore, the method of accommodating the foot rest in the above-mentioned manner is not ideal in terms of convenience.

The present invention was developed in view of the above-mentioned problems, and its purpose is to provide a space in which the footrest can be reliably housed under the seat in a manner that does not interfere with sitting or leaving the seat, the installation space can be reduced, and the convenience is also excellent. Chair type massage machine. [Means to solve the problem]

To solve the above-mentioned problems, the chair-type massage machine of the present invention adopts the following technical means. That is, the chair-type massage machine of the present invention is provided with: a seat for the user to sit on; a backrest provided behind the seat to support the user’s back; and a footrest with lower limbs for the user The lower limb insertion part for treatment, and can be accommodated in the lower part of the seat, is characterized in that: the seat is provided with a foot rest and withdrawal mechanism, which makes the foot rest in the lower part of the seat The position and the protruding position located in front of the storage position can be moved back and forth, and the foot rest retreat mechanism is configured to move the foot rest toward the protruding position by performing the first and second stages , To advance the footrest to the protruding position, the first stage is to change the posture of the footrest to a forward posture with the lower limb insertion part facing forward, and the second stage is to maintain the footrest forward Lift up in the posture and move to the protruding position.

In addition, preferably, a footrest support body and a swing arm are provided on the left and right sides of the footrest, and the footrest support system supports the footrest in a freely rotatable manner around a rotation axis facing the left and right directions; The swing arm system supports the footrest support body in a swingable manner around an axis in the left-right direction with respect to the front side of the seat, and the footrest retreat mechanism is configured such that the footrest is in the first position. In the case of the stage, there is a posture changing means for changing the footrest from the upward posture to the forward posture. When the footrest changes from the first stage to the second stage, the posture changing means is performed The posture change of the footrest is over.

In addition, it is preferable that the posture changing means has: a guide groove provided obliquely on the side of the seat portion; and a guide groove provided so as to protrude from the footrest portion and capable of fitting the protruding end into the guide groove The guide pin that moves along the guide groove in the state; by inserting the guide pin into the inclined guide groove in the first stage and moving, the posture of the footrest is changed from the upward posture to the forward posture.

In addition, it is preferable that the footrest support body is provided with an elastic member that generates elastic force such that the lower limb insertion portion rotates in a forward direction with respect to the rotation axis of the footrest portion, and the second In the stage, the rotation driving force generated by the elastic member is used, and the footrest is rotated in the forward direction at the lower limb insertion portion of the footrest.

In addition, it is preferable that the footrest retreat mechanism is configured to resist the elastic force of the elastic member when the footrest portion disposed at the protruding position is retracted toward the storage position, and the footrest After the lower-limb insertion portion turns the footrest toward the upper rear side, the footrest is moved toward the storage position. In addition, it is preferable to have a posture maintaining means for maintaining the posture of the footrest in an upward posture in which the lower limb insertion portion of the footrest is directed upward by restricting the rotation of the footrest relative to the footrest support body The forward position with the aforementioned lower limb insertion part facing forward. [Effects of Invention]

According to the present invention, it is possible to provide a chair-type massage machine that can reliably accommodate the footrest in the space below the seat without obstructing sitting or leaving the seat, the installation space can be reduced, and the convenience is also excellent.

[Form to implement the invention]

Hereinafter, an embodiment of the chair-type massage machine 1 of the present invention will be described in detail based on the drawings as follows. As shown in Fig. 1, the chair-type massage machine 1 of this embodiment has a so-called barrel-shaped outer casing 2. Inside the outer casing 2, a seat 3 is provided with sufficient width to support the user’s buttocks from below; and a backrest 4, located on the back side of the seat 3; and the footrest 5, located on the front side of the seat 3.

A seat massage mechanism (illustration omitted) for massaging the user's buttocks to the treatment part (the part to be treated, the affected part) from the buttocks to the thigh is provided on the inner side of the seat 3. In addition, a back massage mechanism (illustration omitted) is also provided inside the backrest 4 to treat the user's shoulder-to-waist treatment part leaning on the backrest 4. These massage mechanisms can be moved by guide rails, etc., so as to selectively treat multiple treatment parts from the hips to the thighs, or from the shoulders to the waist. Furthermore, a foot massage mechanism is provided on the inner side of the footrest 5 in front of the seat 3, which is formed into a shape into which the user's lower limbs can be inserted, and can massage the user's lower limbs inserted therein.

Hereinafter, the seat part 3, the backrest part 4, and the footrest part 5 which comprise the chair type massage machine 1 of this embodiment are demonstrated. In addition, in the following, when describing the chair-type massage machine 1, as shown in FIG. 1, the height direction of the backrest 4 in the upright state is the vertical direction, and the direction indicated by the arrow in FIG. 1 is the left and right direction. (Width direction) or front and rear direction will be described. These directions correspond to the up-down direction, the left-right direction, and the front-rear direction viewed from a user seated on the chair-type massage machine 1.

As shown in Fig. 1, the seat 3 has a scull-shaped seat support frame 6 combined with a square rod-shaped member. On the inner side of the seat support frame 6, a seat massage mechanism that massages the treatment part of the user's buttocks seated on the seat 3 is arranged to be movable in the front and rear directions, so that the user’s buttocks to the thighs The wide range of massage is performed. In addition, a cushioning member for use when the user sits is provided on the upper part of the seat support frame 6, but its illustration is omitted. Furthermore, the seat support frame 6 is covered with a sheath or a seat cushion, etc., so that foreign objects and the like cannot enter it from the outside.

As shown in Fig. 1, the backrest 4 is a member located behind the seat 3, which is formed into a flat plate with a thickness so that the user can lean on it. On the inner side of the backrest 4, the back massage mechanism that massages the treatment part by pushing, pounding, or grasping is arranged to move up and down, so as to provide a wide range of the user from the shoulders through the back to the waist Get a massage. In addition, inside the backrest portion 4, similar to the seat portion 3, a back support frame 7 composed of a combination of square rod-shaped members is provided.

In addition, upper arm massage parts 8 are provided on the left and right sides of the backrest 4 of the chair-type massage machine 1. The upper arm massage part 8 is arranged so as to protrude forward from the left and right ends of the backrest 4, so that an airbag can be used to push and massage the user's upper arm. In addition, the outer casing 2 of the chair-type massage machine 1 formed in a barrel shape has a lower arm massage part 9 on the inner peripheral surface slightly above the seat part 3 for inserting the left and right arms of the user to perform treatment.

The foot rest 5 is a member that can massage the user's lower extremity treatment part using a foot massage mechanism provided inside. When the treatment part of the lower limbs is not treated, the footrest 5 is surely accommodated in the accommodation position at the lower part of the seat 3 and does not protrude outward. If it is in this storage form, the chair-type massage machine 1 can obtain a concise appearance during storage, and the design can also be improved. On the other hand, when the lower limb treatment part is treated, the footrest 5 can advance from the storage position to the protruding position located on the upper side before the storage position. The protruding position is located slightly above the front of the storage position, and is set to an optimal height that can treat the user's lower extremity treatment section with the feet extended.

In addition, the footrest 5 that has advanced to the protruding position can also return to the storage position. The movement of the footrest 5 is reversible, and it can move back and forth between the storage position and the protruding position. The action means for enabling the footrest 5 to advance from the storage position to the protruding position or retreat from the protruding position to the storage position in this manner is the footrest retreat mechanism 10 described later.

The above-mentioned footrest 5 includes a lower limb insertion portion 11 into which a user can insert a lower limb. The lower limb insertion portion 11 is formed in a concave shape so as to be open to the outside of the footrest 5 (in the case of a forward posture, the front and upper sides), so that the user can insert the lower limbs. Furthermore, the lower limb insertion portion 11 is formed on the left and right sides of the footrest 5, respectively.

Furthermore, two sets of massage bodies, such as an upper foot massage body 12 and a lower foot massage body 13 arranged below the upper foot massage body 12, are provided inside the footrest part 5 as foot massage mechanisms. Both the upper foot massage body 12 and the lower foot massage body 13 have a plate-shaped massage body that massages the lower limb treatment part inserted into the lower limb insertion part 11 by pinching it from the left and right sides. These massage systems use rotational driving forces generated by motors (not shown) separately provided in the upper foot massage body 12 and the lower foot massage body 13 to swing in the left and right directions, respectively.

Furthermore, on the outer side surfaces of the left and right sides of the footrest 5 are provided: a rotating shaft 14 protruding from the outer side to the outside in the left-right direction; a foot support 15 supporting the rotating shaft 14 in a rotatable manner; And the swing arm 16, the foot support 15 is supported by the seat support frame 6 on the upper front side so as to freely swing around an axis in the left-right direction. The above-mentioned footrest support bodies 15 are respectively provided on the left and right sides of the footrest 5, and are formed as a plate-shaped member that forms an ellipse in a side view. Hereinafter, FIG. 3A is used to describe the left foot support 15L, and FIG. 3B is used to describe the right foot support 15R.

As shown in FIG. 3A, the left foot support 15L is a member that is disposed on the left side of the foot rest 5 and supports the foot rest 5 in a rotatable manner from the left. Fig. 3A shows the footrest 5 in the upward posture in the storage position, but the left footrest support 15 in the upward posture is formed in a side view with an elliptical shape whose vertical direction is longer than the left and right direction (in the forward posture, It is an oval plate member that is long in the front-rear direction. In addition, the left foot support 15L is formed to have an up-and-down dimension that is the same as the up-and-down dimension of the foot-rest part 5 in the upward posture.

An insertion hole 17L through which the left foot support 15 penetrates in the left-right direction is formed on the lower center of the left foot support 15L. The insertion hole 17L is provided so as to allow the rotation shaft 14 of the footrest 5 to be inserted. By inserting the rotation shaft 14 into the insertion hole 17L, the footrest 5 can be relative to the left-hand side around the axis in the left-right direction. The foot support 15L rotates freely.

In addition, in the vicinity of the outlet side of the insertion hole 17L of the rotation shaft 14 of the footrest 5, in other words, the rotation shaft 14 near the surface of the left footrest support 15L is provided with a transmission wheel 18. The transmission wheel 18 is an annular member with a larger diameter than the shaft diameter of the rotating shaft 14 and is mounted on the rotating shaft 14 in an integrally rotatable manner. The elastic force generated by the elastic member 19 described later is input to the transmission wheel 18 in the direction of the normal line to impart the rotation shaft 14 in the direction that tilts the footrest 5 forward (counterclockwise when viewed from the left) Direction) torque (torque) of rotation.

In addition, a positioning protrusion 20 protruding in a direction away from the axis of the rotation shaft 14 is formed on the outer peripheral edge of the transmission wheel 18. On the other hand, on the surface of the left foot support 15L (the surface facing the left), when the footrest 5 is rotated to the forward posture, a position where it abuts the positioning protrusion 20 of the transmission wheel 18 is formed The foot rotation restricting portion 21. That is, when the footrest 5 is rotated to the forward posture, the positioning protrusion 20 of the transmission wheel 18 abuts the footrest rotation restricting portion 21 of the left footrest support 15L to restrict the footrest 5 from facing forward Turn more than necessary.

The aforementioned elastic member 19 is a member that can impart force (elastic force) to the transmission wheel 18 in the normal direction. In the elastic member 19 of this embodiment, an air cylinder is used, which can input the restoring force generated when returning from the compressed state to the transmission wheel 18 in the normal direction. The front end of the elastic member (air cylinder) 19 is attached to the transmission wheel 18 of the left foot support 15L, and the base end of the elastic member 19 is fixed to the upper center of the left foot support 15L to support the foot rest. The body 15 causes the aforementioned moment to be constantly applied to the rotating shaft 14 (footrest 5).

In addition, the elastic member 19 of the present invention may also be used to impart force by means other than an air cylinder. For means other than the air cylinder, for example, a coil spring or an electric actuator can be used. Furthermore, as shown in the upward posture of FIG. 3A, a swing arm 16 is arranged on the upper center of the left foot support 15L, which swings the foot support 15 around an axis in the left-right direction on the seat. The upper part of the front side of the support frame 6. Specifically, the swing arm 16 is a strip-shaped member that is bent toward the rear at the midway side in the vertical direction. The bending angle of the swing arm 16 is substantially a right angle, and the swing arm 16 has a substantially L-shaped shape.

One end of the swing arm 16 is connected to the upper front side of the seat support frame 6 so as to be swingable about an axis in the left-right direction. In addition, the other end of the swing arm 16 is fixed to the upper center of the left foot support 15L. That is, by using the above-mentioned swing arm 16, the left foot support 15L and the foot 5 can be swingably connected to the upper part of the front side of the seat support 6 and can be accommodated from below the seat 3 Swing in a way of bouncing upward and forward.

The right foot support 15R has the same structure as the left foot support 15L, the appearance or shape of the foot support 15, the structure of supporting the foot 5 by the foot support 15, and the foot support The body 15 is swingably connected to the seat support frame 6 via the swing arm 16 and the like is the same as the left foot support body 15L. The right foot support 15R and the left foot support 15L are different in that they have a posture maintaining means 22 described later.

As shown in FIG. 3B, the posture maintaining means 22 is provided on the outer surface of the foot support 15R on the right side, and the posture of the footrest 5 is maintained by restricting the rotation of the footrest 5 relative to the foot support 15R. Specifically, the posture maintaining means 22 has: an engaged member 23 integrally attached to the rotation shaft 14 of the footrest 5; an engaging member 24 engaged with the engaged member 23; and a lever member 25 for engaging The member 24 is engaged with or released from the engaged member 23 (selection of engagement-non-engagement of the engagement member 24).

The above-mentioned engaged member 23 is formed in an annular shape coaxial with the axis of the rotating shaft 14 and is fixed to the outlet side of the insertion hole 17R of the right foot support 15R so as to be integrally rotatable with the rotating shaft 14 Near the axis of rotation 14. On the outer peripheral edge of the engaged member 23, positioning recesses 26 for positioning are formed at two locations at a distance in the circumferential direction. The engaging member 24 has an engaging piece 27 that can be engaged with the positioning recess 26 of the engaged member 23 on the center side of the right foot support 15. In more detail, the engaging member 24 has: an engaging piece 27 that can be fitted into the positioning recess 26 in the vertical direction; a connecting rod 28 that moves the engaging piece 27 in the vertical direction; and a guide portion 29 that can move in the vertical direction The connecting rod 28 is guided.

That is, the engaging piece 27 is a small piece that is inserted into the positioning recess 26 to restrict the rotation of the engaged member 23, and is installed at the lower end of the connecting rod 28. The connecting rod 28 is a rod-shaped member extending in the up-down direction, and is a member that is bent in a crank shape on the halfway side in the up-down direction. The guide portion 29 is a cylindrical member through which the connecting rod 28 is inserted, and is attached to the right foot support 15R so that the connecting rod 28 can be inserted in the vertical direction.

The lever member 25 is a member having a lever 41 that can be switched in the vertical direction, and is fixed to the upper center of the right foot support 15R. The lever 41 of the lever member 25 is connected to the upper end of the connecting rod 28. When the lever 41 is switched to the upper side, the engaging piece 27 moves upward through the connecting rod 28, and the engaging piece 27 is disengaged from the positioning recess 26 upward. On the other hand, when the lever 41 is switched to the lower side, the engaging piece 27 moves downward through the connecting rod 28, and the engaging piece 27 is fitted into the positioning recess 26. That is, the lever member 25 can restrict the entry and exit of the engaging piece 27 with respect to the positioning recess 26 to switch between rotation and non-rotation of the footrest 5 with respect to the footrest support 15.

That is, when the footrest 5 is in the upward posture, one of the two positioning recesses 26 is formed on the outer peripheral surface of the engaged member 23 into which the engaging piece 27 can be fitted. Furthermore, when the footrest 5 is in the forward posture, the other positioning recess 26b is formed on the outer peripheral surface of the engaged member 23 into which the engaging piece 27 can be fitted. In this way, the posture of the footrest 5 can be maintained in the upward posture in which the lower limb insertion portion 11 of the footrest 5 faces upward and the forward posture in which the lower limb insertion portion 11 faces forward by the aforementioned posture maintaining means 22.

However, the chair-type massage machine 1 of the present invention is characterized by having a footrest retreat mechanism 10 capable of reciprocating the footrest 5 between the above-mentioned storage position and the protruding position. Furthermore, when the footrest 5 is in the storage position, it is an upward posture in which the lower limb insertion portion 11 faces upward. On the other hand, when the footrest 5 is in the protruding position, it is in a forward posture in which the lower limb insertion portion 11 faces forward. That is, the footrest retreat mechanism 10 can not only make the footrest 5 reciprocate between the storage position and the protruding position, but also can change the posture of the footrest 5 between the upward posture and the forward posture. The composition can be changed in both position and posture.

Specifically, the above-mentioned posture change of the footrest 5 is performed during the movement of the footrest 5 from the accommodating position to the protruding position, performing two different actions in the first stage and the second stage to make the posture and position change. In the first stage, the posture of the footrest 5 is gradually changed from the upward posture in accordance with the forward swing movement of the footrest support 15. Furthermore, the second stage is in the second stage following the first stage, and the footrest 5 is set in the forward posture while moving to the protruding position. In other words, the first stage is to change both the posture and the position of the footrest 5, and the second stage is to change the position of the footrest 5.

The reason for moving the footrest 5 from the storage position to the protruding position in two stages in this manner is that when the footrest 5 in the upward posture is directly changed in the storage position, the footrest 5 will touch To the seat support frame 6, etc., the posture change cannot be fully completed. Therefore, in the footrest exit mechanism 10 of the present invention, in the first stage, while advancing the footrest 5 from the storage position forward to the protruding position, the posture of the footrest 5 is gradually changed from the upward posture to the forward position. Front posture. In this way, the interference of the footrest 5 with the seat support frame 6 can be suppressed, and the posture of the footrest 5 can be changed. Furthermore, the footrest retreat mechanism 10 of the present invention adopts the step of moving the footrest 5 to the protruding position while maintaining the forward posture in the second stage after the posture of the footrest 5 is changed to the forward posture. constitute. With this configuration, it is not necessary to secure an extra space between the footrest 5 and the seat support frame 6, and the posture of the footrest 5 can be changed smoothly, so the seat support frame 6 can be matched with the footrest The size of 5 is simplified and compact, and a chair-type massage machine 1 with excellent convenience can be accommodated even in a small installation space.

The above-mentioned footrest retreat mechanism 10 has: a shaft 30, the front end of which can be pivotally supported on the swing arm 16 (the lower end side of the swing arm 16) and extends in the front-rear direction; the actuator 31 can move the rear end of the shaft 30 Push and pull in the front-rear direction; and posture changing means 32, when the footrest 5 is in the first stage, the posture of the footrest 5 is changed from the upward posture to the forward posture. Furthermore, the footrest retreat mechanism 10 is configured to complete the posture change of the footrest 5 by the posture changing means 32 when the footrest 5 is changed from the first stage to the second stage, and in the second stage , The footrest 5 in the forward posture moves toward the protruding position to maintain the forward posture.

Next, the footrest and exit mechanism 10, which is a feature of the present invention, will be described in detail. The above-mentioned actuator 31 is a member that is arranged on the lower side of the rear portion of the seat support frame 6 and generates a driving force to advance and retreat the footrest 5. The system of the present embodiment is an electric actuator 31, which has: a drive shaft 31a that extends slightly upwardly toward the front; and a slider 33 that can move along the drive shaft 31a; the shaft 30 described later The rear end is swingably connected to a slider 33 that can move in the forward and backward directions around an axis in the left and right direction.

The shaft 30 is a member formed in a long rod shape, is inclined from the lower rear side to the upper front side, and connects the aforementioned actuator 31 and the swing arm 16. Specifically, the rear end of the shaft 30 is a slider 33 that is coupled to the actuator 31 so as to swing around an axis in the left-right direction. In addition, the front end of the shaft 30 is coupled to the midway side of the swing arm 16 in the up-down direction so as to swing around an axis in the left-right direction.

In addition, between the slider 33 of the actuator 31 and the seat support frame 6 (the lower center of the seat support frame 6) is provided a short bracket 34 having a length of about 1/4 to 1/3 of the shaft 30. . The short bracket 34 is swingably connected to both the slider 33 and the seat support frame 6 around an axis in the left-right direction, and connects the slider 33 and the seat support frame 6 between two members. That is, when the aforementioned slider 33 is moved forward along the drive shaft 31a of the actuator 31, since the distance between the slider 33 and the seat support 6 via the short bracket 34 is determined, the front end is more than the rear end. In the high direction, the inclination of the drive shaft 31a becomes larger. As a result, the slider 33 of the actuator 31 moves to the upper front side, and the rear end of the actuator 31 also moves to the upper front side. That is, the above-mentioned three components of the shaft 30, the short bracket 34, and the swing arm 16 constitute a so-called parallel link mechanism, and the foot support 15 installed at the front end of the swing arm 16 is It can swing upward and forward.

However, when the actuator 31 is actuated in the above manner, the swing arm 16 will swing upwardly, and the foot support 15 attached to the end of the other end of the swing arm 16 will also be supported by the seat The upper part of the front side of 6 swings to the front upper side with the center. With respect to the footrest support 15 that swings toward the upper side of the front in this manner, the footrest part 5 changes its posture from the upward posture to the forward posture in the first stage. The reason why the posture of the footrest 5 is changed so much is because the posture changing means 32 that changes the posture of the footrest 5 in the first stage is provided.

Next, the first-stage and second-stage actions performed by the foot-retracting mechanism 10, and the posture changing means 32 for realizing these actions will be described. The posture changing means 32 is a means for changing the posture of the footrest 5 from the upward posture to the forward posture by acting on the footrest 5 when the footrest retracting mechanism 10 performs the first-stage operation. Specifically, the posture changing means 32 has: a guide groove 35 provided on the side of the seat 3; and a guide pin 36 provided to protrude outward from the footrest 5 in the left-right direction and can be fitted into the protruding end It moves along the guide groove 35 in the state of the guide groove 35. That is, the posture changing means 32 changes the posture of the footrest 5 by fitting the guide pin 36 into the guide groove 35 in the first stage.

The above-mentioned guide groove 35 is a groove into which the guide pin 36 of the footrest 5 is inserted, and is formed on the guide plate 37 mounted on the seat support frame 6. Specifically, the guide plate 37 is arranged on the midway side in the front and rear direction of the seat support frame 6 and also on the midway side in the vertical direction. The guide plate 37 is attached to the outside in the width direction (left-right direction) of the seat, and is equipped with reinforcing ribs so as to withstand the load applied from the footrest 5. In addition, in the figure with "B" at the end of the figure number, in order to easily understand the positional relationship between the guide pin 36 and the guide groove 35, the guide plate 37 is illustrated with the reinforcing ribs omitted.

A guide groove 35 for guiding the guide pin 36 of the footrest 5 is formed on the inner surface facing the inner side of the seat width direction (left-right direction) of the guide plate 37. More precisely, the guiding groove 35 is formed on the right inner side of the left guide plate 37 and the left inner side of the right guide plate 37, respectively. The aforementioned guide groove 35 is inclined from the lower rear side of the guide plate 37 to the upper front side. If the guide groove 35 facing forward and inclined upward is formed in this way, by moving the guide pin 36 forward along the guide groove 35, the height of the position of the guide pin 36 will be from the bottom to the top Move, and pull the footrest 5 from the down position (the storage position) to the upright position (forward position).

In addition, the rear end side of the guide groove 35 is formed to be wider than the front end side. In the wider part of the groove, the recessed portion temporarily holding the guide pin 36 is formed to be recessed upward. status. Furthermore, the front end side of the guide groove 35 is directed in a direction substantially parallel to the axis 30 of the storage position, and the groove width is formed so as not to hinder the passage of the guide pin 36. In addition, an introduction port 38 is formed on the front end side of the guide groove 35 that opens downward and guides the guide pin 36 into the groove. The opening width of the introduction port 38 is set to be about 4 to 5 times the outer diameter of the guide pin 36, so that the guide pin 36 can be easily introduced into the groove. In addition, the introduction port 38 is provided with a check member 39 for preventing the guide pin 36 from falling out of the groove from the introduction port 38.

The check member 39 is a plate-shaped member formed into an inverted triangle in a side view. The upper side of the check member 39 has a size that can close the above-mentioned introduction port 38. Furthermore, on the lower end side of the check member 39 (the part corresponding to the lower vertex of the inverted triangle) is provided a check member rotation shaft 40 whose axis is oriented in the left-right direction, and the upper end side of the check member 39 is set so as to be able to go around The axis of the rotation shaft 40 of the check member swings. If the above-mentioned check member 39 is provided, even if the guide pin 36 is easily passed from the introduction port 38 into the groove, the guide pin 36 is difficult to fall out of the groove from the introduction port 38, so that the guide pin 36 can be prevented from being introduced. When the mouth 38 falls out of the groove (the footrest 5 returns to the direction opposite to the forward direction).

When the footrest 5 is in the forward posture (the state shown in FIGS. 8, 9A, and 9B ), the aforementioned guide pin 36 is formed on the upper rear side of the footrest 5. The guide pin 36 is a protrusion protruding from the side surface of the footrest 5 to the outside in the width direction (left-right direction) of the seat 3, and its protruding end is formed to fit into the guide groove 35. That is, the guide pin 36 is set to be movable along the guide groove 35 in a state where the protruding end is inserted into the groove.

If the posture changing means 32 composed of the above-mentioned guide groove 35 and the guide pin 36 is used, when the guide pin 36 is present in the guide groove 35, it means that the footrest 5 is set in the first stage. When advancing, the guide pin 36 moves upward along the direction in which the guide groove 35 is formed, and the posture of the footrest 5 is changed from the upward posture to the forward posture. Next, in the second stage when the guide pin 36 comes to the outside of the guide groove 35, the footrest 5 moves to the protruding position while maintaining the forward posture. That is, if the aforementioned posture changing means 32 is used, the posture switching of the footrest 5 from the upward posture to the forward posture can be completed in the middle of moving from the storage position to the protruding position.

In more detail, the above-mentioned first stage and second stage are performed in the following order. That is, the first stage described above is a stage in which the guide pin 36 is inserted into the guide groove 35 of the guide plate 37 and moves along the groove formation direction at the same time. It is also a stage in which the posture of the footrest 5 is moved by the posture changing means 32. A stage where the footrest 5 is moved from the upward posture to the forward posture.

The above-mentioned first stage is implemented through the states shown in FIGS. 2 to 7B. Specifically, as shown in FIGS. 2, 3A, and 3B, at the beginning of the operation of the first stage, the guide pin 36 of the footrest 5 is located behind the guide groove 35 of the guide plate 37 The end side is in a state of being housed in the aforementioned pocket. At this time, the guide pin 36 is located slightly above the ground, and the footrest 5 is in a tilted posture in which the installation side of the guide pin 36 is lowered downward. In addition, the so-called lowering posture is an upward posture in which the lower limb insertion portion 11 is directed upward.

As shown in FIGS. 4, 5A, and 5B, when the actuator 31 is operated and the shaft 30 connected to the slider 33 is pushed forward, the swing arm 16 connected to the front end of the shaft 30 swings forward. To be precise, the swing shaft 30 swings forward with the upper front side of the seat support 6 as the center, and the foot support 15 fixed to the lower end of the swing shaft 30 also swings forward. In this way, in conjunction with the forward movement of the footrest support 15, the footrest 5 also moves forward, so that the guide pin 36 of the footrest 5 moves forward along the guide groove 35, and the guide pin 36 becomes It is located on the midway side of the guide groove 35 in the front-rear direction. At this time, the guide pin 36 is moved to a position higher than the aforementioned "slightly above the ground", so that the footrest 5 is raised from the storage posture by the height of the position of the guide pin 36.

As shown in Figures 6, 7A, and 7B, when the actuator 31 is operated again to push the shaft 30 connected to the slider 33 forward, the swing arm 16 connected to the front end of the shaft 30 will move to Swing ahead. In this way, in conjunction with the forward movement of the footrest support 15, the footrest 5 will move forward again, so that the guide pin 36 of the footrest 5 moves to the groove exit of the guide groove 35.

In addition, in this state, the guide pin 36 moves to the uppermost position from the ground, the position of the guide pin 36 also reaches the highest position, and the footrest 5 becomes the upright posture (forward posture). Next, when the footrest 5 is rotated to the forward posture, the positioning protrusion 20 of the transmission wheel 18 abuts on the footrest rotation restricting portion 21 of the left footrest support 15L to restrict the forward rotation of the footrest 5 More than necessary.

Then, when the actuator 31 is extended a little, the guide pin 36 will be disengaged from the guide groove 35, so the foot rest 5 can freely rotate about the rotation shaft 14. Here, the elastic force of the elastic member 19 acts on the rotation shaft 14 of the footrest 5 in the normal direction via the transmission wheel 18. Therefore, due to the action of the elastic member 19, the footrest 5 can be rotated about the rotation axis 14, and the posture of the footrest 5 is completely changed from the upward posture of the lower limb insertion portion 11 to the forward direction of the lower limb insertion portion 11 Front posture.

Furthermore, in this second stage, since the elastic force of the elastic member 19 is always applied to the transmission wheel 18, the footrest 5 moves while maintaining the forward posture. In this way, the footrest 5 is changed to the state of the forward posture, in other words, the state immediately after the transition from the first stage to the second stage is shown in FIGS. 8, 9A, and 9B. As shown in FIGS. 8, 9A, and 9B, in the footrest exit mechanism 10 of the second stage, since the posture change of the footrest 5 by the posture changing means 22 has ended, the footrest 5 In the state where the forward posture is maintained, the swing arm 16 will swing forward, and soon the footrest 5 will advance forward and upward until the height of the footrest 5 and the seat surface of the seat 3 are approximately equal.

As shown in Figures 10, 11A, and 11B, after the footrest 5 moves forward and upward, before the height of the footrest 5 and the seat surface height of the seat 3 are approximately equal, the lever of the posture maintaining means 22 41 press down to fix the footrest 5 in the protruding position. In this state, since the lower limb insertion portion 11 faces forward, the user can receive treatment with the lower limbs protruding forward while sitting on the seat 3.

The above is the action of the footrest retreating mechanism 10 when the footrest 5 is moved from the storage position to the protruding position. On the other hand, as shown in FIGS. 12, 13A, and 13B, when the footrest 5 is moved (retreated) from the protruding position to the storage position, first, the lever 41 of the posture maintaining means 22 is pushed up to use The posture maintaining means 22 releases the fixation of the footrest 5. In this state, the biasing force of the elastic member 19 acts on the transmission wheel 18 from the normal direction, and the elastic force acts on the footrest 5 in the direction in which it rotates in the forward posture.

Therefore, the user can move his hand in the direction in which the footrest 5 is in the upward posture, so that the footrest 5 is rotated against the biasing force, and the posture maintaining means 22 is fixed at the stage when the footrest 5 is in the upward posture. The lever 41 is pressed down to fix the posture of the footrest 5 in the upward posture. In this way, the state where the footrest 5 is in the upward posture is as shown in FIGS. 12, 13A, and 13B.

As shown in Figs. 14, 15A, and 15B, the footrest 5 can be placed in an upward posture in the above-mentioned manner, the actuator 31 is retracted in the backward direction, and the swing arm 16 is swung backward. In this way, the footrest support body 15 and the footrest 5 can move rearward, and soon, the guide pin 36 of the footrest 5 is located at the introduction port 38 of the guide plate 37.

As shown in Figure 16, Figure 17A, and Figure 17B, when the actuator 31 is retracted in the backward direction, and the swing arm 16 is swung backward, the foot support 15 and the foot 5 will move backward, The guide pin 36 of the foot 5 enters the groove of the guide groove 35 from the introduction port 38 of the guide plate 37. At this time, although a check member 39 is provided at the inlet 38, the upper end side of the check member 39 is set to swing around the axis of the check member rotation shaft 40, so the check member 39 can be pushed It swings in a reverse manner, and at the same time, the guide pin 36 enters the groove of the guide groove 35. In this way, the footrest 5 can be moved from the protruding position to the accommodating position by the footrest retreating mechanism 10.

The above description refers to the action (retracting action) of the footrest retreat mechanism 10 when the footrest 5 is retracted from the protruding position to the storage position. In the case of the above-mentioned footrest retracting mechanism 10, the footrest 5 is housed in an upward posture with the lower limb insertion portion 11 facing upward in the storage position, so the footrest 5 can be reliably accommodated in the space below the seat 3 , Will not interfere with sitting or leaving.

In addition, when the footrest 5 is advanced from the accommodating position to the protruding position, the posture of the footrest 5 is automatically switched from the upward posture to the forward posture, so the lower limbs can be massaged without bothering the user. Therefore, the chair-type massage machine 1 having the above-mentioned footrest and retreat mechanism 10 can enjoy the advantages of small installation space and excellent convenience.

In addition, the embodiments of the present disclosure should be regarded as illustrative in all points and not restrictive. In particular, in the embodiments of the present disclosure, matters that are not clearly disclosed, such as operating conditions or operating conditions, various parameters, size, weight, and volume of components, do not deviate from the scope of the industry’s usual implementation, as long as they are general Anyone in the industry will adopt an easy to guess value.

1: Chair type massage machine 2: Outer body 3: Seat 4: backrest 5: Footrest 6: Seat support frame 7: Back support frame 8: Upper arm massage department 9: Lower arm massage department 10: Foot-rest and exit mechanism 11: Lower limb insertion part 12: Upper foot massage body 13: Lower foot massage body 14: Rotating shaft 15: Foot support 15L: Foot support on the left 15R: Foot support on the right 16: swing arm 17L: The insertion hole of the left foot support body 17R: The insertion hole of the foot support on the right 18: Transmission wheels 19: Elastic member 20: positioning protrusion 21: Footrest rotation restriction 22: Posture maintenance methods 23: The engaged member 24: Clamping member 25: lever member 26: positioning recess 26a: Positioning recess for upward posture 26b: Positioning recess for forward posture 27: Clip 28: connecting rod 29: Guidance 30: axis 31: Actuator 31a: Drive shaft of the actuator 32: Posture change means 33: Slider 34: Short bracket 35: Guiding Ditch 36: guide pin 37: guide plate 38: inlet 39: Backstop member 40: Backstop member rotation axis 41: Leverage

Fig. 1 is a perspective view of a chair-type massage machine of this embodiment. Fig. 2 is a perspective view of a footrest housed in a storage position. Figure 3A is a left side view of the footrest of Figure 2; Figure 3B is a right side view of the footrest of Figure 2; Fig. 4 is a perspective view of the footrest part of the footrest retracting mechanism in the first stage of operation. Figure 5A is a left side view of the footrest of Figure 4; Figure 5B is a right side view of the footrest of Figure 4; Fig. 6 is a perspective view of the footrest part during the transition from the first stage to the second stage of the footrest withdrawing mechanism. Fig. 7A is a left side view of the footrest of Fig. 6; Fig. 7B is a right side view of the footrest of Fig. 6; Fig. 8 is a perspective view of the footrest rotated to the forward posture in the second stage. Fig. 9A is a left side view of the footrest of Fig. 8; Fig. 9B is a right side view of the footrest of Fig. 8; Fig. 10 is a perspective view of the footrest moved to the foremost in the second stage. Fig. 11A is a left side view of the footrest of Fig. 10; Fig. 11B is a right side view of the footrest of Fig. 10; Fig. 12 is a perspective view of the footrest after the lower limb insertion part is rotated in the upper rear direction when moving to the storage position. Fig. 13A is a left side view of the footrest of Fig. 12; Fig. 13B is a right side view of the footrest of Fig. 12; 14 is a perspective view of the footrest in a state where the guide pin is inserted into the entrance of the guide groove when moving to the storage position. Fig. 15A is a left side view of the footrest of Fig. 14; Fig. 15B is a right side view of the footrest of Fig. 14; Fig. 16 is a perspective view of the footrest moving to the storage position. Figure 17A is a left side view of the footrest of Figure 16; Fig. 17B is a right side view of the footrest of Fig. 16;

1: Chair type massage machine

2: Outer body

3: Seat

4: backrest

5: Footrest

6: Seat support frame

7: Back support frame

8: Upper arm massage department

9: Lower arm massage department

14: Rotating shaft

15: Foot support

15L: Foot support on the left

16: swing arm

19: Elastic member

30: axis

37: guide plate

Claims (6)

A chair-type massage machine, which is provided with: a seat for the user to sit on; a backrest provided behind the seat to support the user's back; and a footrest with a lower limb that can treat the user’s lower limbs The insertion part can be accommodated in the lower part of the aforementioned seat, Its characteristics are: A footrest retreat mechanism is provided on the seat portion, which allows the footrest portion to reciprocally move between a storage position located at the lower portion of the seat portion and a protruding position located in front of the storage position, The footrest retreat mechanism is configured to advance the footrest to the protruding position by performing the first and second stages when the footrest is moved toward the protruding position. The first stage is The posture of the footrest is changed to a forward posture in which the lower limb insertion portion faces forward, and this second stage is to lift the footrest while maintaining the forward posture and move to the protruding position. Such as the chair type massage machine of claim 1, where On the left and right sides of the footrest, a footrest support body and a swing arm are provided. The footrest support system supports the footrest in a freely rotatable manner around a rotation axis facing the left and right directions; the swing arm is relative to On the front side of the seat, the foot support is supported in a swingable manner around an axis in the left-right direction, The aforementioned footrest and exit mechanism is composed of, When the footrest is in the first stage, it has posture changing means for changing the footrest from the upward posture to the forward posture, When the aforementioned footrest transitions from the first stage to the second stage, the posture change of the footrest by the aforementioned posture changing means ends. Such as the chair type massage machine of claim 2, where The posture changing means has: a guide groove provided on the side of the seat portion obliquely; and provided so as to protrude from the foot rest and can be guided along the guide groove with the protruding end inserted into the guide groove The guide pin for groove movement; by inserting the guide pin into the inclined guide groove in the first stage and moving, the posture of the footrest is changed from the upward posture to the forward posture. A chair-type massage machine according to claim 3, wherein the footrest support body is provided with an elastic member that generates elastic force such that the lower limb insertion portion rotates in a forward direction with respect to the rotation axis of the footrest portion, In the second stage, the rotation driving force generated by the elastic member is used to rotate the footrest in a forward direction at the lower limb insertion portion of the footrest. Such as the chair type massage machine of claim 4, of which The footrest retreat mechanism is configured to resist the elastic force of the elastic member and face the lower limb insertion portion of the footrest toward the upper rear side when the footrest portion disposed at the protruding position is retracted toward the storage position. After rotating the footrest in the direction of, move the footrest toward the storage position. Such as the chair type massage machine of any one of claim 2 to 5, wherein Equipped with posture maintaining means, which by restricting the rotation of the footrest with respect to the footrest support body, the posture of the footrest is maintained in the upward posture with the lower limb insertion portion of the footrest facing upward and the lower limb insertion portion facing upward Forward pose in front.

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