JP2022156952A - Chair type massage machine - Google Patents

Abstract

To provide a chair type massage machine capable of changing a height of a backrest part and also providing various kinds of massage to a user by cooperation with shoulder massage parts.SOLUTION: A chair type massage machine 1 includes: a seat part 2; a backrest part 3 arranged behind the seat part to support the back of a user; and a massage mechanism 50 incorporated in the backrest part 3 so as to perform a massage operation with respect to the user sitting on the seat part 2. The chair type massage machine 1 includes: projection means 7 for allowing the backrest part to be projected upward or backward with the seat part 2 as reference; and a pair of shoulder side massage means 51 mutually oppositely arranged on both right and left sides of the backrest part 3 so as to perform pressure massage to the user.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to a chair-type massage machine whose size can be changed in the direction of the user's height, and in particular, can provide various massages to the user in cooperation with shoulder-side massaging means. It relates to a chair type massage machine.

Conventionally, chair-type massage machines have a built-in massage section for massaging the back of a user sitting on the seat, and the backrest can be stored with the height of the backrest lowered. There is something called "mini sofa type".
For example, Patent Literature 1 discloses a "mini-sofa type" chair-type massage machine in which the backrest portion protrudes vertically upward to allow the upper limbs of the user, such as the shoulders, to be massaged while seated on the seat portion. It is If the backrest portion can be moved upward in this way, even if the user remains seated on the seat portion, the treatment portion such as the shoulder can be fully massaged with the backrest portion moved upward. .

JP 2013-208264 A

The chair-type massage machine disclosed in Patent Literature 1 can adjust the height by protruding the backrest upward, and can be reclined backward. In other words, this chair-type massage machine is a very suitable massage machine that allows the user, who is seated on the seat, to recline the upper half of the body backwards and receive a massage in a relaxed manner.
On the other hand, recently, a massage machine has been developed that has shoulder massaging means for massaging the user's shoulders on both sides of the backrest, giving the user an effective massage from the shoulders to the upper part of the arms. It has become a product and has been well received.

However, there have been requests from users for more diverse massages, and it has become an urgent task to respond to these requests.
SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and is a chair in which the height of the backrest can be raised and lowered, and in addition, various massages can be given to the user in cooperation with the shoulder massaging section. The purpose is to provide a type massage machine.

In order to solve the above problems, the chair-type massage machine of the present invention employs the following technical measures.
That is, the chair-type massage machine of the present invention comprises a seat, a backrest provided at the rear of the seat and capable of supporting the back of the user, and a seat which is built in the backrest and is seated on the seat. a massage mechanism for performing a massage action on a user, the chair-type massage machine comprising projecting means for projecting the backrest portion upward or rearward with the seat portion as a reference; A pair of shoulder-side massaging means are provided on both left and right sides of the backrest so as to face each other and give a pressure massage to the user from the sides.

Preferably, an air bag that expands and contracts is arranged on the inner side surfaces of the left and right shoulder massaging means facing each other.
Preferably, the protruding means includes a long groove provided on the side of the seat portion facing the up-down direction, and a guide body provided on the backrest portion, fitted in the long groove and guided along the long groove. and the upper side of the long groove is preferably curved rearward.

Preferably, the front portion of the seat is provided with a footrest for massaging the lower legs of the user, and is provided with forward extending means for extending the footrest forward with the seat as a reference. Good.

According to the chair-type massage machine of the present invention, the height of the backrest can be raised and lowered, and further, various massages can be given to the user in cooperation with the shoulder massaging section.

It is a perspective view showing the chair type massage machine of this embodiment (a backrest part shows an accommodation state and a projected state). It is the figure which showed the condition which the backrest part of the chair type massage machine of this embodiment protrudes. (a) shows a situation in which the shoulder-side massaging means provided in the chair-type massage machine of the present embodiment is opened left and right, and (b) shows a situation in which it swings back and forth. Fig. 2 is a side view showing the internal structure of the chair-type massage machine of the present embodiment in which the backrest is in an accommodated state; FIG. 2 is a side view showing the internal structure of the chair-type massage machine of the present embodiment with the backrest protruding upward. Fig. 10 is a side view showing the internal structure of the chair-type massage machine of the present embodiment in which the backrest protrudes upward and is in a reclining state;

EMBODIMENT OF THE INVENTION Below, embodiment of the chair type massage machine of this invention is described based on a figure.
1 to 6 show various forms of the chair-type massage machine 1 according to this embodiment.
As shown in FIG. 1, a chair-type massage machine 1 of the present invention includes a seat 2 on which a user can sit, and massages the user seated on the seat 2. . A backrest part 3 is provided at the rear of the seat part 2, and the back of the user leaning against the backrest part 3 is massaged using a massage mechanism 50 built in the backrest part 3. It has become.

In addition, the chair-type massage machine 1 of this embodiment has a footrest section 6 on the front portion of the seat section 2 for massaging the lower legs of the user. The chair-type massage machine 1 shown in FIG. 1 is for massaging the lower limbs, and the footrest portion 6 can be stored under the seat portion 2 when the lower limbs are not massaged.
In the drawings that follow, in order to facilitate the explanation of the internal structure of the chair-type massage machine 1, in FIGS. may be drawn as

Further, in the following description, the horizontal direction in FIG. 4 is called the front-rear direction in the actual device, and the vertical direction in FIG. 4 is called the vertical direction in the actual device. The penetrating direction through the plane of FIG. 4 is called the left-right direction or width direction in an actual device. These directions coincide with the directions viewed from the user seated on the seat portion 2, and are appropriately indicated by arrows in the drawings.
Next, the seat portion 2, the backrest portion 3, the massage portion, and the footrest portion 6, which constitute the chair-type massage machine 1 of this embodiment, will be described.

The seat portion 2 is a portion formed in the center of the chair-type massage machine 1 in the front-rear direction and the left-right direction, and serves as a portion on which a user who is going to receive a massage sits. Under the seat portion 2, a base frame 9 is provided above the floor F to support the seat portion 2 with its upper surface directed substantially horizontally. The base frame 9 is formed by combining a plurality of bar-shaped members such as metal pipes and angle members in a vertical, horizontal, and front-rear direction in a crossed manner.

The base frame 9 is hollow on the lower side, and a space is formed between the seat portion 2 and the floor surface F in which the footrest portion 6 can be accommodated in the vertical direction.
The backrest portion 3 is a member having a substantially rectangular shape when viewed from the front, and a cushion material is provided inside. The backrest portion 3 can be tilted rearward after being projected upward on the basis of the seat portion 2 by means of projecting means 7, which will be described later.

Inside the backrest portion 3 are a backrest frame 10 serving as a skeleton of the backrest portion 3 and a seat portion 2 .
A massage mechanism 50 is provided for performing a massaging operation such as kneading, hitting, or vibrating the treatment area on the back of the user seated on the back.
The backrest frame 10 is a frame body capable of sufficiently supporting the back of the user, and consists of a pair of vertical frames 10a extending in the vertical direction, and a pair of vertical frames 10a extending in the horizontal direction. It has a structure as if it were connected at 10b, and is formed in a rectangular shape (substantially rectangular shape) elongated in the vertical direction when viewed from the front. A side frame 11 is provided below the vertical frame 10a so as to protrude outward in the width direction. A projecting means 7, which will be described later, is attached to the outside of the side frame 11 in the width direction.

On the other hand, the footrest portion 6 is a member capable of treating the user's lower limbs (lower limbs below the knees), and can be accommodated below the seat portion 2 described above. As shown in FIG. 1, the footrest portion 6 has, on the front surface of the footrest portion 6, leg insertion portions 12 (concave portions) into which the user's lower legs can be inserted from the knees, one on each side, and one on the front upper side. is formed so as to open toward the A user's lower leg can be inserted into the lower leg insertion portion 12 from the front.

Inside the footrest section 6, a foot massage mechanism (not shown) (not shown) is provided for massaging the user's lower leg inserted into the lower leg insertion section 12. As shown in FIG. Further, as shown in FIG. 2 , on the lower side of the footrest portion 6, when extending in the front-rear direction by the forward extending means 8, the footrest portion 6 rolls on the floor F to smoothly move the footrest portion 6. In some cases, a rolling element 13 is provided to assist, or a footrest structure without the rolling element 13 can be adopted as shown in FIG.

In addition, as shown in FIGS. 1 and 5, the footrest section 6 has a lower leg placement section 42 on the back side thereof on which the user's lower leg can be placed. A side surface of the footrest portion 6 is provided with a footrest support portion 40 that rotatably supports the footrest portion 6 around a rotation shaft 41 directed in the horizontal direction. By turning around, the footrest part can be changed to both a massage posture in which the lower leg insertion part 12 is directed upward (toward the user) and a rest posture in which the leg placing part 42 is directed upward, and the posture of the footrest part 6. is configured to be changeable.

Further, in the case of the footrest portion as shown in FIG. 1, it has a front footrest portion for massaging the foot and a rear footrest portion for massaging the calf, and the front footrest portion is pushed forward with respect to the rear footrest portion. Thus, the distance between the front footrest portion and the rear footrest portion can be adjusted.
In addition, as shown in FIG. 1 and the like, armrests 5 on which the elbows of the user seated on the seat 2 are placed are provided on the left and right sides of the seat 2 . The armrest portion 5 is a plate-like member arranged to stand upright.

By the way, the chair-type massage machine 1 of the present invention is characterized in that it is provided with projecting means 7 for lifting the above-described backrest portion 3 with the seat portion 2 as a reference and projecting it rearward. be. In addition, the projecting means 7 is equipped with a pinch detection structure, and when the backrest part pinches an arbitrary object, the driving means (elevating motor 24) provided in the projecting means 7 is reversed, The trapping is to be released.
Moreover, the chair-type massage machine 1 of the present invention includes not only the projecting means 7 but also the forward extending means 8 for extending the footrest portion 6 forward with the seat portion 2 as a reference. By providing these protruding means 7 and forward extending means 8, the length from the backrest portion 3 to the footrest portion 6 can be extended forward and backward with the seat portion 2 as a boundary. It is possible to massage the user in a relaxed posture with their legs stretched out.

In the following, of the projecting means 7 and the forward extending means 8 provided in the chair-type massage machine 1 of the present invention, the projecting means 7 will be described first.
As shown in FIG. 5 and subsequent figures, the protruding means 7 is formed by fitting a guide body 15 (detailed structure will be described later) provided on the backrest portion 3 side into the long groove 14 provided on the seat portion 2 side to form the long groove 14. It guides the backrest part 3 along the direction. A long groove 14 provided in the protruding means 7 allows the backrest portion 3 to extend rearwardly with respect to the seat portion 2 .

The long groove 14 is a groove formed along the vertical direction in the guide plate 16 formed on the base frame 9, and has a groove width that allows the guide body 15 to be fitted therein. The long groove 14 is formed linearly along the substantially vertical direction (vertical direction) from the lower side to the middle side in the vertical direction. Further, the upper side of the long groove 14 is curved rearward compared to the lower side of the long groove 14 formed along the vertical direction. That is, the upper long groove 14U is tilted along the horizontal direction.

Therefore, when the guide body 15 is moved along the long groove 14, when the guide body 15 is positioned in the lower long groove 14D, the guide body 15 is guided only in the vertical direction and hardly moves in the front-rear direction. do not have. However, when the guide body 15 is positioned in the upper long groove 14U, it is guided along the horizontal direction exclusively, and the position of the backrest portion 3 moves backward with respect to the seat portion 2, and moves toward the seat portion 2. On the other hand, it becomes possible to extend the above-described backrest portion 3 toward the rear.

Specifically, the above-described long groove 14 is formed in a guide plate 16 provided on the rear end side portion of the base frame 9 . The guide plate 16 is a rectangular band plate, and is formed into a substantially V-shape by bending backward about 1/4 of the upper side along the longitudinal direction. That is, the guide plate 16 is attached to the base frame 9 along the vertical direction from the lower end to the bent portion and is inclined from the bent portion to the upper end.

The guide plates 16 are provided on the left and right sides of the base frame 9, respectively, and the above-described long grooves are formed in the left and right guide plates 16 so as to pass through the guide plates 16 in the left-right direction and extend in the up-down direction. 14 are formed. A guide body 15 provided on the side portion of the backrest portion 3 is fitted into the long groove 14 .
The guide body 15 is a member formed on the side portion of the backrest portion 3, that is, the side frame 11 of the backrest portion 3, and is guided along the formation direction of the long groove 14 in a state of being fitted in the long groove 14. , the backrest part 3 can be guided in the vertical direction and the front-rear direction with respect to the seat part 2. - 特許庁The guide body 15 is composed of an upper guide body 17 arranged on the upper side of the side frame 11 and a lower guide body 18 arranged at a part of the side frame 11 which is separated from the upper guide body 17 on the lower side. . That is, the guide body 15 is configured to engage with the long groove 14 at two upper and lower positions to move the backrest portion 3 up and down and to tilt it.

As shown in FIGS. 5 and 6, the above-described upper guide body 17 is attached to the tip of a first shaft 19 arranged with its axis centered in the left-right direction, and the lower guide body 18 is attached to the first shaft 19. It is attached to the tip of a second shaft 20 that is similarly arranged with its axis centered in the left-right direction.
The first shaft 19 is a rod-shaped member that protrudes outward in the width direction from the side surface of the side frame 11, and is formed in a rod shape having a diameter smaller than the opening width of the long groove 14 described above. Specifically, the first shaft 19 includes a left shaft protruding leftward from the side surface of the left side frame 11 and a right shaft protruding rightward from the side surface of the right side frame 11 . I have two. The above-described upper guide bodies 17 are attached to the ends of the left and right first shafts 19, respectively, and the upper guide bodies 17 are fitted into the respective long grooves 14 on the left and right sides so as to be vertically movable.

The second shaft 20 is a bar-shaped member that passes through the backrest frame 10 from the left end to the right end in the left-right direction, and is rotatably arranged in the backrest frame 10 around an axis pointing in the left-right direction. Similarly to the first shaft 19, guide bodies 15 are provided at both left and right ends of the second shaft 20, and the lower guide bodies 18 are also fitted into the respective long grooves 14 on the left and right sides so as to be vertically movable. .

On the other hand, the projecting means 7 described above has an elevating mechanism 21 for elevating the backrest portion 3 with respect to the seat portion 2 . The lifting mechanism 21 is driven to rotate while meshing with a rack portion 22 provided corresponding to the long groove 14 (along the long groove 14 in the present embodiment), so that the backrest portion 3 can be lifted. and a pinion gear 23 for moving the guide body 15 provided in the groove 14 along the long groove 14 . Rotational driving force is transmitted to the pinion gear 23 by an elevating motor 24 positioned on the lower left side of the backrest frame 10 .

Specifically, the lifting motor 24 described above is arranged so that the axis of the drive shaft is oriented vertically, and the rotational driving force generated in the drive shaft is transmitted to the second shaft 20 via a worm gear. As a result, the second shaft 20 can be rotationally driven around the axis facing the left-right direction.
The pinion gear 23 is a gear (flat gear) provided on the second shaft 20 located inside the guide body 15 in the width direction, and is rotatable integrally with the second shaft 20 .

The rack portion 22 can be meshed with the pinion gear 23, and is attached along the vertical direction to the guide plate 16 described above with its tooth tip directed rearward. Specifically, the rack portion 22 is attached to the guide plate 16 along the opening edge (front opening edge) of the long groove 14 described above, and is meshed with the pinion gear 23 from the front.

Therefore, when the second shaft 20 is rotationally driven using the lifting motor 24 described above, the pinion gear 23 integrally attached to the second shaft 20 also rotates. Then, the pinion gear 23 moves up and down while being engaged with the rack portion 22, and the backrest portion 3 provided with the pinion gear 23 moves up and down with respect to the seat portion 2 (base frame 9) provided with the rack portion 22. become.

From the above, in the chair-type massage machine 1 provided with the projecting means 7 described above, not only is the backrest portion 3 projected upward to change the height, but also the backrest portion 3 is moved upward and downward with respect to the seat portion 2. By extending rearward, the length of the chair-type massage machine 1 along the front-rear direction can be lengthened.
On the other hand, as shown in FIGS. 4 to 6, the chair-type massage machine 1 of the present invention is provided with forward extending means 8 for extending the footrest portion 6 forward with the seat portion 2 as a reference.

The forward extending means 8 includes a footrest advancing means 26 for drawing the footrest portion 6 forward from the lower side of the seat portion 2 and an additional extending means for further extending the footrest portion 6 advanced by the footrest advancing means 26 forward. means 27;
The footrest advancing means 26 includes a rod-shaped swinging arm member 28 attached to the lower side of the seat portion 2 of the base frame 9 so as to be swingable around an axis facing in the left-right direction, and the swinging arm member 28. and a footrest drive motor 29 that swings forward with respect to the base frame 9 .

The rocking arm member 28 described above is a member that connects the base frame 9 and the footrest portion 6, and is composed of three rod-like members, a first arm member 30, a second arm member 31, and a third arm member 32, from the base frame 9 side. are joined together in the longitudinal direction. The first arm member 30 to the third arm member 32 are provided in pairs on the left side and the right side of the seat portion 2, respectively, and the swing arm member 28 is composed of two pairs in total.

The first arm member 30 is a short rod-shaped member that is about 1/4 to 1/2 the size of the second arm member 31 and the third arm member 32 . One end side (base frame 9 side) of the first arm member 30 is connected to the lower side of the seat portion 2 of the base frame 9 so as to be swingable around an axis facing the left-right direction. The other end side (footrest portion 6 side) of the first arm member 30 is connected to one end side of the second arm member 31 so as to be swingable about an axis facing in the horizontal direction.

The other end side of the first arm member 30 provided on the left side of the seat portion 2 and the other end side of the first arm member 30 provided on the right side are connected by a connecting shaft 33 facing in the horizontal direction. An actuator 34 , which will be described later, is attached to the connecting shaft 33 .
The second arm member 31 is a rod-shaped member having approximately the same length as the third arm member 32 and connects the first arm member 30 and the third arm member 32 . One end side (base frame 9 side) of the second arm member 31 is connected to the other end side of the first arm member 30 so as to be swingable about an axis facing in the horizontal direction. The other end side (footrest portion 6 side) of the second arm member 31 is connected to one end side of the third arm member 32 so as to be capable of swinging about an axis facing the left-right direction.

The third arm member 32 is a rod-shaped member that connects the second arm member 31 and the footrest portion 6 . One end side of the third arm member 32 (the side of the base frame 9 ) is the second arm member 3 .
1 (on the side of the footrest portion 6) so as to be swingable around an axis facing in the left-right direction. A rolling element 13 capable of rolling on the floor surface F is attached to the other end of the third arm member 32 . A support 35 for the additional extension means 27 is provided on the middle side of the third arm member 32 in the longitudinal direction.

The footrest drive motor 29 is arranged on the rear side of the base frame 9 and transmits rotational driving force to the actuator 34 described above. The actuator 34 can be extended and contracted in the longitudinal direction (front-rear direction) by using the rotational driving force generated by the footrest drive motor 29 , and is connected to the base end side attached to the footrest drive motor 29 . The tip side attached to the shaft 33 can be extended and contracted in the front-rear direction.

That is, when the footrest drive motor 29 is driven, the actuator 34 extends in the front-rear direction, and the position of the connecting shaft 33 moves forward. Then, the other end side of the first arm portion of the swing arm member 28 to which the connecting shaft 33 is attached swings forward around the one end side. In conjunction with the forward swinging of the first arm member 30, the second arm member 31 and the third arm member 32 move forward, and the footrest portion 6 moves on the floor surface F while rolling the rolling elements 13. Moving forward, the footrest part 6 is pulled out forward from the lower side of the seat part 2.例文帳に追加

When the footrest portion 6 that has been pulled out forward is to be pulled under the seat portion 2, the footrest drive motor 29 is rotated in the opposite direction to that when the footrest portion is pulled out. Then, the footrest portion 6 is pulled under the seat portion 2 in the reverse order of the pulling-out procedure.
The additional extending means 27 supports the footrest portion 6, and includes a support body 35 that is extended forward by the footrest advancing means 26, and a link that connects the footrest portion 6 to the support body 35 so as to be swingable in the front-rear direction. a mechanism 36;

If the additional extension means 27 having the link mechanism 36 is provided, the link mechanism 36 swings forward when the footrest portion 6 is pushed forward against the biasing force of the biasing means 39. It becomes possible to change the advanced position of the footrest portion 6 further forward.
In addition, the structure of the footrest part 6 is not limited to the above. As shown in FIG. 1, the footrest portion 6 may be configured without the rolling elements 13, or may be configured such that the footrest portion 6 does not rotate about the lateral axis as shown in FIG.

Furthermore, the chair-type massage machine of the present invention has shoulder-side massaging means 51 .
The shoulder massaging means 51 are arranged on the left and right sides of the backrest 3 so as to face each other and massage the sides of the user's body. As shown in FIG. 3(a), a pair of shoulder massaging means 51 are provided on both the left and right sides of the backrest 3 and protrude forward from the backrest 3. As shown in FIG. The massaging member on the right side and the massaging member on the left side are provided at positions facing each other in the left-right direction. As shown in FIG. 3(a), the shoulder massaging means 51 is attached to the backrest 3 via a width switching mechanism that allows switching between a mutually approaching state and a separated state. Further, as shown in FIG. 3(b), the backrest 3 may be switched between a use state in which it protrudes forward and a retracted state in which it moves backward from this use state. In this case, the upper portion of the shoulder massaging means 51 is rotatably attached to the backrest portion 3, and a swing switching mechanism is provided to move the shoulder massaging means 51. As shown in FIG.

A treatment section is provided inside the shoulder-side massaging means 51 (on the side facing the user), and the treatment section is composed of an air bag that inflates inward along the width direction of the backrest. .
[Remarkable effects of the present invention]
The chair-type massage machine of the present embodiment can perform the following functions through cooperation between the protruding means 7 for changing the posture of the backrest portion 3 from the "protruding state" to the "reclining state" and the above-described shoulder side massaging means 51. Such effective massage can be given to the user.

First, when the backrest part 3 is pulled downward most by using the protruding means 7, the chair can be used as a mini-sofa type chair, and when used as such a chair, the user will feel oppressed. A conventional chair-type massage machine that pushes the upper arm from the side (a chair-type massage machine with a long backrest 3) is located near the user's face, that is, near the side of the face. Since the side massaging means 51) is arranged, it cannot be denied that it gives a feeling of oppression to the user. However, with the chair-type massage machine 1 of the present invention, when the backrest portion 3 is lowered, the user does not feel the pressure described above.

Further, as shown in FIG. 1, if the backrest portion 3 is lowered, the massaging mechanism 50 exists from the waist to the buttocks of the user at the time of massage treatment, so that the waist massage can be reliably felt. can be improved. In particular, in a state in which the backrest 3 is lowered, the airbags provided in the shoulder-side massaging means 51 are inflated, and the upper body of the user is fixed while sandwiching the upper arms of the user with the airbags, and then the massage is performed. By driving the mechanism 50, it is possible to reliably massage the lower back while the user's body is fixed, so that a strong massage feeling for the lower back can be obtained.

When the backrest portion 3 is raised and lowered using the protruding means 7, it is possible to vary the massage position with respect to the upper arm. For example, when the backrest 3 is lowered, the massage by the shoulder-side massaging means 51 is performed mainly on the lower upper arms of the user. The massage by the part massaging means 51 is performed mainly on the user's upper arm.

Further, by inflating the airbag of the shoulder-side massaging means 51 to fix the upper arm and then raising the backrest 3, the user can perform an exercise to raise the upper arm (pull-up stretch). becomes. Conversely, after inflating the airbag of the shoulder-side massaging means 51 to fix the upper arm, the backrest 3 is lowered to allow the user to perform an exercise (pull-down stretch) to pull the upper arm downward. It becomes possible.

In addition, arm massaging means (not shown) disposed above the armrest 5 lifts the backrest 3 while holding the palm or the tip of the upper limb, thereby increasing the weight of the upper limb. It is possible to perform a stretching exercise for the upper part to the shoulder part. This arm massaging means (not shown) has a cylindrical shape into which the arm can be inserted, and is structured to rotate up and down with the tip as the center of rotation. Therefore, when inserting the arm, the rear part of the arm massaging means (not shown) can be lifted upward around the center of rotation so that the arm can be inserted from the rear. When the arm massaging means (not shown) is not used, push the rear part of the arm massaging means (not shown) downward around the center of rotation so that it is flush with the upper part of the armrest 5. can also By doing so, the user can put his or her arm on the upper surface of the arm massaging means (not shown), in other words, on the upper surface of the armrest 5, and receive the massage in a comfortable posture. It becomes possible.

When an airbag is provided inside the armrest 5 of the chair-type massage machine 1, in other words, on the side of the user's buttocks, the buttock side airbag is inflated to hold the user's buttocks. After fixing the upper arm by inflating the airbag of the shoulder side massaging means 51, the backrest part 3 is lifted to stretch the entire upper body of the user (stretching the back muscles).

A foot massage mechanism (not shown) is provided inside the footrest section 6 for massaging the user's lower leg inserted into the lower leg insertion section 12 . When this foot massage mechanism (not shown) is operated and the backrest portion 3 is raised and lowered using the protruding means 7 while the user's feet are held, the entire body of the user is stretched. It becomes possible to perform stretching exercise.

Further, in the case where a seat massaging mechanism (not shown) capable of massaging the user's buttocks is built in the seat, when the backrest 3 is lowered using the protruding means 7, the user can The body, especially the buttocks, can be reliably pressed against the upper surface of the seat 2, and the user can be reliably massaged by the seat massaging mechanism (not shown).
As described above, the embodiments disclosed this time should be considered as examples and not restrictive in all respects. In particular, matters not explicitly disclosed in the embodiments disclosed this time, such as operating conditions, operating conditions, various parameters, dimensions of components, weights, volumes, etc. Instead, a value that can be easily assumed by a person skilled in the art is adopted.

1 Chair type massage machine 2 Seat 3 Backrest 4 Massage part 5 Armrest 6 Footrest 7 Protruding means 8 Forward extending means 9 Base frame 10 Backrest frame 10a Vertical frame 10b Horizontal frame 11 Side frame 12 Lower leg insertion part ( concave)
13 rolling element 14 long groove 15 guide body 16 guide plate 14U upper long groove 14D lower long groove 17 upper guide body 18 lower guide body 19 first shaft 20 second shaft 21 lift mechanism 22 rack portion 23 pinion gear 24 lift motor 26 footrest advancement Means 27 Additional extension means 28 Swing arm member 29 Footrest drive motor 30 First arm member 31 Second arm member 32 Third arm member 33 Connecting shaft 34 Actuator 35 Support 36 Link mechanism 39 Biasing means 40 Footrest support 41 Rotating shaft 42 Lower leg placing part 50 Massaging mechanism 51 Shoulder side massaging means F Floor surface

Claims (4)

A seat portion, a backrest portion disposed at the rear portion of the seat portion so as to be able to support the back of the user, and a massage mechanism built in the backrest portion for performing a massage operation on the user seated on the seat portion. and a chair-type massage machine having
a protruding means for protruding the backrest portion upward or rearward with respect to the seat portion;
A chair-type massaging machine, wherein a pair of shoulder-side massaging means are provided on both left and right sides of the backrest portion so as to face each other and apply pressure massage to the user from the sides. 2. The chair-type massage machine according to claim 1, wherein an air bag that expands and contracts is arranged on the inner side surfaces of the right and left shoulder-side massaging means facing each other. The protruding means are
a long groove provided on the seat side facing the up-down direction, and a guide body provided on the backrest and fitted in the long groove and guided along the long groove,
The chair-type massage machine according to claim 1 or 2, wherein an upper side of the long groove is curved rearward. A footrest portion for massaging the user's lower legs is provided at a front portion of the seat portion, and a forward extending means is provided for extending the footrest portion forward with the seat portion as a reference. The chair type massage machine according to any one of claims 1 to 3.

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