KR20200069270A - Massage chair - Google Patents

Abstract

The present invention relates to a massage chair comprising: a back frame with a back rack gear; a hip frame with a hip rack gear; a flexible rack gear including a plurality of rack gear units connecting the back rack gear and the hip rack gear, and rotatably connected; and a massage module in which a pinion gear moves in engagement with the back rack gear, the hip rack gear, and the flexible rack gear, and moves between the back rack gear and the hip rack gear through the flexible rack gear to provide massage to a user.

Description

Massage chair {MASSAGE CHAIR}

The present invention relates to a massage chair, and more particularly, to a massage chair capable of providing a massage to the entire body of a user.

The massage chair is a massage device that allows a user to receive massage in a sitting position. Massage chairs generally have a chair shape based on an L-shaped frame. The massage chair may provide a massage to the entire body of the user seated in the massage chair, including a massage roller that can freely move parts of the back, waist, and hips along the L-shaped frame.

In this regard, the conventional massage chair (refer to the registered patent No. 10-1380469) is based on an L-shaped frame composed of a backrest portion that leans against a backrest and a back as a seat, as described above, or in a vertical direction from the central region of the backrest or It includes a massage mechanism such as hitting the back and shoulders of the user while moving in the left and right directions. However, the conventional massage chair does not provide an angle adjustment function between the seat and the backrest, and maintains the L-shape of the seat and the backrest while providing massage to the user. That is, the user needs to maintain the sitting position in accordance with the L-shaped frame of the massage chair for a long time receiving the massage, thereby complaining of physical discomfort.

Therefore, there is a need to develop a massage chair having an angle adjustment function between a seat and a backrest. In addition, even if the basic frame shape of the massage chair changes according to the angle adjustment between the seat and the backrest, there is a need to develop a massage chair in which the massage roller can move freely along the frame.

According to an aspect of the present invention, there is provided a massage chair capable of free angle adjustment between a frame such as supporting a user's upper body and a hip frame supporting a user's lower body.

According to another aspect of the present invention provides a massage chair including a massage module that can be freely moved between the back frame and the hip frame regardless of the angle adjustment between the back frame and the hip frame.

The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

Massage chair according to an embodiment of the present invention for solving the above problem is connected to the back frame, the back frame, the hip lek gear is installed, the back lec gear is installed, the back lec gear and the butt lek gear, it is possible to rotate A flexible lag gear including a plurality of connected lex gear units, and the back lec gear, the butt lek gear, and the pinion gear moving in engagement with the flexible lek gear are installed, and the back lec gear and the butt are moved through the flexible lex gear. Includes a massage module that moves between lag gears and provides massage to the user.

On the other hand, the flexible lek gear is connected to the flexible lex gear connecting shaft between the lex gear units, and may rotate around the flexible lex gear connecting shaft.

In addition, the flexible rack gear, the flexible rack gear protrusion and the flexible rack gear seating groove is formed in the rack gear unit may be fitted between the rack gear unit.

In addition, the back lag gear, the flexible lex gear protrusion and the back rug gear seating groove corresponding to the flexible lex gear seating groove is formed, it can be fitted with the flexible lek gear.

In addition, the hip lex gear, the flexible lex gear protrusions and corresponding to the flexible lex gear seating grooves, hip lex gear protrusions and hip lex gear seating grooves are formed, it can be fitted to the flexible lex gear.

In addition, the flexible lex gear, the flexible lex gear protrusions having a circular arc surface on the front and rear surfaces of the lex gear unit, and the flexible lex gear seating groove having a circular arc surface opposite to the circular surface of the flexible lex gear is formed It can be fitted between the lag gear unit.

In addition, the flexible lek gear, a flexible lec gear connecting shaft through-hole for inserting a flexible lec gear connecting shaft that serves as a rotation axis of the lex gear unit may be formed in the flexible lec gear protrusion.

In addition, the rack gear unit may be formed with a stopper surface that limits the rotation angle of the flexible rack gear.

In addition, the lex gear unit, a flexible stopper surface to limit the rotation angle when the rotation of the flexible lek gear in a bent state and a flexible stopper surface to limit the rotation angle when rotated to the unfolded fold gear is formed to be formed Can be.

In addition, the lex gear unit may be formed with a stopper surface on the upper side and the lower side of the flexible lex gear protrusion and the flexible lex gear seating groove with the flexible lex gear seating groove therebetween.

In addition, the massage chair may further include a connecting slide hinge that pivotally connects the back frame and the hip frame.

In addition, the connecting slide hinge is installed on the butt frame, a connecting slide bracket having a long hole formed on the back frame, and a fixed shaft moving along the long hole.

In addition, the hip frame, a protrusion is formed on one side in contact with the back frame, the back frame, a connection groove capable of inserting the protrusion on one side in contact with the hip frame may be formed.

In addition, the back frame, the protrusion formed in the hip frame can be inserted, a connection groove for inserting and connecting the back frame and the hip frame according to the movement of the fixed shaft may be formed.

In addition, the massage chair may further include a guide slide hinge connected to the back frame and the hip frame to support and guide the back frame and the hip frame.

In addition, the guide slide hinge, a guide slide bracket mounted on the hip frame, a link connecting bracket mounted on the back frame and one side are axially coupled to the link connecting bracket, and the other side can slide along the guide slide bracket It may include a link coupled to the slide bracket.

In addition, the massage chair may further include a rotation module installed on the base frame and the base frame supporting the hip frame, and rotating the back frame back and forth.

Further, the rotation module may include a slide link installed on the base frame, a rotation motor such as moving along the slide link, and a connection link such as connecting the back rotation motor and the back frame.

In addition, the massage chair further includes a base frame supporting the hip frame and a fixed frame positioned between the hip frame and the base frame, wherein the hip frame is provided on a fixed shaft passing through one side of the fixed frame. By axially coupled to the base frame, it can rotate about the fixed shaft.

In addition, depending on the rotation of the back frame or the hip frame, the flexible lec gear is in a bent state or an unfolded state by the rotation of the plurality of lec gear units, regardless of the rotation of the back frame or the hip frame. The lek gear and the hip lek gear are connected, and as a result, movement between the back lec gear and the hip lec gear of the massage module is possible.

According to an aspect of the present invention, since a user can provide a massage in a comfortable posture preferred by the user between a sitting position, a lying position or a sitting position and a lying position, the same posture for a long time when the user is provided with the massage, that is, sitting It can alleviate the physical discomfort caused by maintaining posture. In addition, when the massage is finished, a lying position can be induced to provide a comfortable rest to the user.

According to another aspect of the present invention, the massage module moves from the upper body part to the hip part regardless of the posture of the user and provides a massage, thereby reducing manufacturing cost.

1A and 1B are perspective views of a massage chair according to an embodiment of the present invention, FIG. 1A is a state where the back frame of the massage chair is erected, and FIG. 1B is a state where the back frame of the massage chair is laid down.
2 is a side view showing an operation example of a massage chair according to an embodiment of the present invention.
3A and 3B are enlarged perspective views showing a part of a massage chair according to an embodiment of the present invention, FIG. 3A is a state where the back frame of the massage chair is erected, and FIG. 3B is a state where the frame of the massage chair is laid down to be.
4 is a perspective view of the lek gear unit shown in FIGS. 3A and 3B.
5A is an enlarged view of part A of FIG. 3A, and FIG. 5B is an enlarged view of part B of FIG. 3B.
6 is a perspective view of a portion of the back gear shown in FIGS. 3A and 3B.
7 is a perspective view of a portion of the hip lag gear shown in FIGS. 3A and 3B.
8A to 10B are diagrams for describing various embodiments of the lek gear unit illustrated in FIG. 4.
11 to 13 are views for explaining various embodiments of the connecting shaft shown in FIGS. 3A and 3B.
14A and 14B are enlarged perspective views showing a part of a massage chair according to an embodiment of the present invention, FIG. 14A is a state where the back frame of the massage chair is erected, and FIG. 14B is a state where the frame of the massage chair is laid down to be.
15 is a perspective view of the connecting slide hinge shown in FIGS. 14A and 14B.
16A and 16B are enlarged perspective views showing a part of a massage chair according to an embodiment of the present invention, FIG. 16A is a state where the back frame of the massage chair is erected, and FIG. 16B is a state where the frame of the massage chair is laid down to be.
17 is a perspective view of the guide slide hinge shown in FIGS. 14A and 14B.
18 is a view for explaining another embodiment of the guide slide hinge shown in FIG.
19 is a perspective view of a massage chair viewed from the rear according to an embodiment of the present invention.
20 is an enlarged view of part C of FIG. 19.
21A and 21B are side views illustrating an operation example of a massage chair according to an embodiment of the present invention.

The present invention is not limited to the embodiments disclosed below, but will be implemented in various different forms, and only the present embodiments make the disclosure of the present invention complete, and have ordinary knowledge in the art to which the present invention pertains. It is provided to completely inform the person of the scope of the invention. The terminology used herein is for describing the embodiments and is not intended to limit the present invention.

1A and 1B are perspective views of a massage chair according to an embodiment of the present invention, FIG. 1A is a state where the back frame of the massage chair is erected, and FIG. 1B is a state where the back frame of the massage chair is laid down.

Massage chair 10 is installed on the front of the base frame 400 and the base frame 400 and the base frame 400 supporting the massage portion 15, which provides massage from the upper body such as the back and shoulders to the hips or thighs It may include a leg frame 600.

The massage chair 10 may further include a leg massage module (not shown) that is installed on the leg frame 600 to provide massage to the user's calf and feet, and is coated to cover these components (not shown). ) Can be installed.

The massage unit 15 may include a frame 100 such as supporting a user's upper body and a hip frame 200 supporting a user's lower body. In addition, the massage portion 15 is connected to the hinge frame 120 and the back frame 100 and the back frame 100 and the hip frame 200 to adjust the angle between the back frame 100 and the hip frame 200. It may include a guide slide hinge 140 for supporting and guiding the (100) and hip frame 200.

Referring to FIG. 1A, the back frame 100 and the hip frame 200 may implement a “L” shape by adjusting an angle to induce a user's sitting posture.

Referring to FIG. 1B, the back frame 100 and the hip frame 200 may implement a “-” shape by adjusting the angle to induce a user's lying posture.

Massage portion 15 is installed on the back frame 100, such as the back gear (150), the hip frame (200) installed on the hip lek gear (250) and the back lek gear (150) and the hip lex gear (250) It may include a flexible rack gear 350 to connect.

The massage unit 15 may include a massage module 500 equipped with a massage roller 520 that provides a massage by pressing a user's body. The massage module 500 may move freely along the back leg gear 150, the hip leg gear 250 and the flexible leg gear 350 and provide a massage to the whole body. In this regard, it will be described with reference to FIG. 2.

2 is a side view showing an operation example of a massage chair according to an embodiment of the present invention.

Referring to FIG. 2, the back lec gear 150 and the hip lec gear 250 can be maintained connected by the flexible lek gear 350 regardless of the angle adjustment between the back frame 100 and the hip frame 200. have.

A pinion gear 510 may be installed on the side of the massage module 500, and the pinion gear 510 may move in engagement with a back lec gear 150, a hip lex gear 250, and a flexible lek gear 350. . As described above, the back leg gear 150 and the hip leg gear 250 may remain connected regardless of the angle adjustment between the back frame 100 and the hip frame 200 by the flexible leg gear 350. Therefore, the massage module 500 can move freely between the back lec gear 150 and the hip rect gear 250 through the flexible leg gear 350 regardless of the angle adjustment between the back frame 100 and the hip frame 200. It is possible.

As such, the massage chair 10 according to an embodiment of the present invention may provide a massage in a comfortable position preferred by a user between a sitting position, a lying position or a sitting position and a lying position. In addition, while the massage chair 1 is changed, for example, while changing from a sitting position to a lying down position or from a lying down position to a sitting position, the massage chair 500 can move freely and continuously massage. Can provide. Accordingly, the massage chair 10 may eliminate physical discomfort caused by maintaining the same posture, that is, the sitting posture, for a long time during which the user is provided with a massage. In addition, the massage chair 10 may provide a comfortable rest by inducing the user's lying position when the massage is finished. In addition, the massage chair 10 provides a massage by moving the massage module 500 from the upper body to the lower part of the hip or lower, regardless of the user's posture, by providing the flexible leg gear 350. Can save.

Hereinafter, each component of the massage chair 10 according to an embodiment of the present invention will be described in more detail.

First, a configuration that supports movement of the massage module 500, such as a lec gear 150, a flexible lec gear 350, and a hip lec gear 250 will be described.

3A and 3B are enlarged perspective views showing a part of a massage chair according to an embodiment of the present invention, FIG. 3A is a state where the back frame of the massage chair is erected, and FIG. 3B is a state where the frame of the massage chair is laid down to be.

Referring to Figures 3a and 3b, the massage chair 10 is a configuration that supports the movement of the massage module 500, and includes a back lec gear 150, flexible lex gear 350 and hip lex gear 250 Can be. The back leg gear 150 may be installed on the back frame 100, and the hip leg gear 250 may be installed on the hip frame 200. The flexible lec gear 350 may connect the back lec gear 150 and the hip lec gear 250. The flexible lag gear 350 may be connected to the back leg gear 150 by one side being connected to the hip leg gear 250 by the butt leg gear connecting shaft 251, and the other side by the back leg gear connecting shaft 151. have.

Referring to FIG. 3A, the flexible lec gear 350 may connect the back lec gear 150 and the hip lec gear 250 in a bent state. Alternatively, referring to FIG. 3B, the flexible lec gear 350 may connect the back lec gear 150 and the hip lec gear 250 in an unfolded state. Accordingly, the back lec gear 150 and the hip lec gear 250 may maintain a state connected by the flexible lek gear 350 regardless of the angle between the back frame 100 and the hip frame 200. To this end, the flexible rack gear 350 may be formed of a plurality of rack gear units 351 rotatably connected.

4 is a perspective view of the lek gear unit shown in FIGS. 3A and 3B.

Referring to FIG. 4, the lex gear unit 351 may include a flexible lex gear protrusion 357 and a flexible lec gear seating groove 358. Specifically, the lex gear unit 351 is formed with a flexible lex gear protrusion 357 having a circular arc surface and a flexible lex gear seating groove 358 having a circular arc surface having a shape opposite to the circular surface of the flexible lex gear projection 357. Can be. The lex gear unit 351 is formed with flexible lex gear protrusions 357 and flexible lex gear seating grooves 358 of the same shape on both the front and rear surfaces. The flexible lag gear seating groove 358 may be disposed and formed. That is, the flexible lex gear seating groove 358 may be disposed on the rear surface of the flexible lek gear protrusion 357, and the flexible lex gear seating groove 358 may be disposed on the rear surface of the flexible lex gear mounting groove 358. Accordingly, the plurality of lec gear units 351 may be fitted through the flexible lec gear protrusion 357 and the flexible lec gear seating groove 358.

The rack gear unit 351 may be formed with a flexible rack gear connecting shaft through hole 359. Specifically, the flexible lek gear connecting shaft through hole 359 is configured for insertion of the flexible lek gear connecting shaft 355, and may be formed in the flexible lek gear protrusion 357. That is, when fitted between the two rack gear units 351, the flexible rack gear connecting shaft 355 may be inserted into the flexible rack gear connecting shaft through hole 359. Accordingly, the plurality of lex gear units 351 may be rotatably connected around the flexible lex gear connection shaft 355, and the flexible lex gear protrusions 357 may serve as a rotation axis of the lex gear unit 351. Can be.

The rack gear unit 351 may include stopper faces S1 and S2 that limit the rotation angle when the center is rotated around the flexible rack gear connecting shaft 355. Specifically, when the flexible rack gear 350 rotates to the bent state, the rack gear unit 351 includes a first curved stopper surface S1 that limits the rotation angle, and the flexible rack gear 350 in an unfolded state. When rotating, a first unfolding stopper surface S2 that limits the rotation angle may be formed. The first bent stopper face S1 and the first unfolded stopper face S2 have flexible lex gear protrusions 357 and flexible lex gear seating grooves 358 interposed therebetween. It may be formed on the upper side and the lower side of the groove 358, may be provided on the front and rear of the rack gear unit 351, respectively.

5A and 5B, functions of the first bending stopper surface S1 and the second extended stopper surface S2 according to the bending or unfolding state of the flexible lag gear 350 will be described in detail.

5A is an enlarged view of part A of FIG. 3A, and FIG. 5B is an enlarged view of part B of FIG. 3B.

As described above, the flexible lec gear 350 may connect the back lec gear 150 and the hip lec gear 250. Accordingly, when an operation in which the angle is narrowed between the back frame 100 on which the back lag gear 150 is installed and the hip frame 200 on which the hip ledge gear 250 is installed is made, as shown in FIG. 5A, a plurality of lex gear units ( 351) is rotated around the flexible lek gear connecting shaft 355, the rotation angle may be limited by the first bending stopper surface (S1). As a result, the flexible rack gear 350 may be bent.

When an operation in which the angle is widened between the back frame 100 on which the back lek gear 150 is installed and the hip frame 200 on which the hip ledge gear 250 is installed is made, as shown in FIG. 5B, a plurality of lek gear units 351 Is rotated around the flexible lek gear connecting shaft 355, and the rotation angle may be limited by the first unfolding stopper surface S2. As a result, the flexible lag gear 350 may be in an unfolded state.

6 is a perspective view of a portion of the back gear shown in FIGS. 3A and 3B.

The back lag gear 150 is a lex gear protrusion 153 corresponding to a flexible lex gear protrusion 357 and a flexible lex gear seating groove 358 at one end, specifically, an end coupled with the flexible lek gear 350 And back lec gear seating grooves 155 may be formed. A flexible lag gear seating groove 155 may be formed at a position facing the flexible lek gear projection 357, and a flexible lex gear seating groove 155 may be formed at a position facing the flexible lex gear seating groove 155. have. Accordingly, the end of the back lec gear 150 may be fitted with the flexible lek gear 350 through the back lec gear protrusion 153 and the back lec gear seating groove 155.

A back lec gear connecting shaft through hole 152 may be formed in the back lec gear protrusion 153. When fitted between the back lec gear 150 and the flexible lek gear 350, the back lec gear connecting shaft 151 is inserted into the back lec gear connecting shaft through hole 152 and the flexible lex gear connecting shaft through hole 359 Can be. Accordingly, the flexible lek gear 350 may be connected to the back lec gear 150 so as to be pivotable around the back lec gear connecting shaft 151.

The back gear 150 may have a stopper surface having the same function as the above-described first bending stopper surface S1 and second spreading stopper surface S2 at one end. That is, the back lag gear 150 may be formed with stopper surfaces S3 and S4 at one end where the back lec gear protrusion 153 and the back lec gear seating groove 155 are formed, and the back lec gear connecting shaft 151 ), the rotation angle of the lek gear unit 351 may be limited by the stopper surfaces S3 and S4. Specifically, the back of the lex gear 150 is rotated to the bent state of the flexible lek gear 350 at one end, the second bending stopper surface (S3) to limit the rotation angle, and the flexible lex gear 350 When rotating to the unfolded state, a second unfolded stopper surface S4 that limits the rotation angle may be formed. The second bent stopper surface S3 is disposed on the upper side of the back leg gear protrusion 153 and the back leg gear seating groove 155, and the second unfolded stopper face S4 is the back leg gear protrusion 153 and the back leg It may be formed by being disposed under the gear seating groove 155.

FIG. 7 is a perspective view of a portion of the hip lag gear shown in FIGS. 3A and 3B.

The hip lex gear 250 is one side end, specifically, a flexible lex gear protrusion 357 and a flexible lex gear seating groove 358 corresponding to the flexible lex gear protrusion 253 at an end coupled with the flexible lek gear 350 And hip lek gear seating groove 255 may be formed. A flexible lag gear seating groove 255 may be formed at a position facing the flexible lex gear projection 357, and a flexible lex gear seating groove 155 may be formed at a position facing the flexible lex gear seating groove 155. have. Therefore, the end of the hip lek gear 250 may be fitted with the flexible lec gear 350 through the hip lec gear protrusion 253 and the hip lec gear seating groove 255.

A hip lek gear protruding portion 253 may be formed with a hip lec gear connecting shaft through hole 252. When fitted between the butt lek gear 250 and the flexible lek gear 350, the butt lek gear connecting shaft 251 is inserted into the butt lek gear connecting shaft through hole 252 and the flexible lek gear connecting shaft through hole 359 Can be. Accordingly, the flexible lec gear 350 may be connected to the hip lec gear 250 so as to be pivotable around the hip lec gear connecting shaft 251.

The hip lag gear 250 may have a stopper surface having the same functions as the above-described first bending stopper surface S1 and second stretched stopper surface S2 at one end. That is, the hip lex gear 250 may be formed with stopper faces (S5, S6) at one end of which the hip lec gear protrusion 253 and the hip lec gear seating groove 255 are formed, and the hip lec gear connecting shaft 251 ), the rotation angle of the lek gear unit 351 may be limited by the stopper surfaces S5 and S6. Specifically, the buttocks lek gear 250 of the flexible lean gear 350 when the rotation of the flexible lean gear 350 to the bent state, the third bending stopper surface (S5) to limit the rotation angle, and flexible lex gear 350 When rotating to the unfolded state, a third unfolding stopper surface S6 that limits the rotation angle may be formed. The third bent stopper surface (S5) is disposed on the upper side of the butt leg gear protrusion 253 and the hip leg gear seating groove 255, and the third stretch stopper face S6 is the butt leg gear protrusion 253 and the butt rack It may be formed by being disposed under the gear seating groove 255.

On the other hand, the flexible lag gear 350, the back ledge gear 150 and the hip ledge gear 250, respectively, the protrusions formed for fitting are not limited in shape, number or shape. Representatively, the flexible lex gear protrusion 357 formed in the lex gear unit 351 will be described as an example.

8A to 10B are diagrams for explaining various embodiments of the lag gear unit illustrated in FIG. 4.

8A and 8B, the lex gear unit 351 may be formed with one flexible lec gear protrusion 357 so as to have a single axis on the front and rear surfaces, respectively.

9A and 9B, in another embodiment, two flexible rack gear protrusions 357'a and 357'b spaced apart from each other to have two axes may be formed on the front surface of the rack gear unit 351'. Corresponding to this, one flexible lek gear protrusion 357' is formed at the rear of the lex gear unit 351' so as to have a central axis between two flexible lek gear protrusions 357'a and 357'b formed on the front surface. Can be.

10A and 10B, in another embodiment, a plurality of flexible lag gear protrusions 357 ″a, 357 ″b, and 357 ″c have multiple axes on the front surface of the lek gear unit 351″. , 357''d) can be formed. Correspondingly, a plurality of flexible lag gear protrusions 357 ″e, 357 ″f, and 357 ″g may be formed on the rear surface of the lek gear unit 351″ to have a multi-axis. A plurality of flexible lag gear protrusions 357''a, 357''b, 357''c, and 357''d formed on the front surface of the lex gear unit 351'' have a central axis therebetween. Gear protrusions 357''e, 357''f, and 357''g may be formed.

However, the bar described above with reference to FIGS. 8A to 10B is merely an example, and the shape of the lek gear unit is not limited to the above.

On the other hand, the connection shafts inserted into the flexible lex gear protrusions 357, back lec gear protrusions 153, and hip ledge gear protrusions 253, respectively, are not limited in shape. However, depending on the shape of the connecting shaft, a flexible lek gear connecting shaft through hole 359, a lek gear connecting shaft through hole 152, and a hip lec gear connecting shaft through hole 252 may be formed. Representatively, the flexible lek gear connecting shaft 355 will be described as an example.

11 to 13 are views for explaining various embodiments of the connecting shaft shown in FIGS. 3A and 3B.

Referring to FIG. 11, the flexible lag gear connecting shaft 355 may have a cylindrical shape.

* Referring to FIG. 12, in another embodiment, the flexible lag gear shaft 355' may have a cylindrical shape with a stepped side. In other words, the flexible lek gear connecting shaft 355 ′ may have a shape in which one side has a larger diameter than the other side inserted into the flexible lek gear connecting shaft through hole 359.

Referring to FIG. 13, in another embodiment, the flexible lag gear shaft 355 ″ may have a cylindrical shape with a tap formed on the other side. In other words, the flexible lek gear connecting shaft 355 ″ may be formed with a tab TAP on a portion of the other side inserted into the flexible lek gear connecting shaft through hole 359.

However, the shape of the connecting shaft is not limited to the above-described bar, and may be formed in a shape other than that shown in FIGS. 11 to 13.

Hereinafter, the connection slide hinge 120 and the guide slide hinge 140, which are configurations that support angle adjustment between the back frame 100 and the hip frame 200, will be described.

14A and 14B are enlarged perspective views showing a part of a massage chair according to an embodiment of the present invention, FIG. 14A is a state where the back frame of the massage chair is erected, and FIG. 14B is a state where the frame of the massage chair is laid down to be.

14A and 14B, the massage chair 10 includes a connecting slide hinge 120 and a back frame 100 and a hip frame 200 that rotatably connect the back frame 100 and the hip frame 200. It may include a guide slide hinge 140 for supporting and guiding the frame 100 and the hip frame 200 during the rotation of the back.

The connecting slide hinge 120 may include a connecting slide bracket 125 and a fixed shaft 127, and the back frame 100 and the hip frame 200 may be connected through the connecting slide hinge 120. The connecting slide bracket 125 may be installed under the hip frame 200, and the fixed shaft 127 may be inserted into the back frame 100. The fixed shaft 127 is provided to be movable along the longitudinal direction of the connecting slide bracket 125, and free angle adjustment between the back frame 100 and the hip frame 200 is possible through the movement of the fixed shaft 127. . This will be described with reference to FIGS. 15 to 16B.

15 is a perspective view of the connecting slide hinge shown in FIGS. 14A and 14B.

15, the connecting slide hinge 120 may include a connecting slide bracket 125 formed on the hip frame 200 and a fixed shaft 127 formed on the back frame 100. The connecting slide bracket 125 may be installed on the lower surface along the length direction of the hip frame 200. Both sides of the connecting slide bracket 125 may have a shape bent in a downward direction. The width of the connecting slide bracket 125 may be formed narrower than the width of the back frame 100 and the hip frame 200. Long hole holes 129 may be formed on both sides of the connection slide bracket 125. A long hole 129 may be formed along the longitudinal direction of the bent portion of the connection slide bracket 125. The fixed shaft 127 may be installed at one end of the back frame 100, and may be provided to be inserted into the long hole 129 of the connection slide bracket 125. The fixed shaft 127 is inserted into the long hole 129 to slide back and forth along the long hole 129. As the fixed shaft 127 moves along the long hole 129, the angle of the back frame 100 may be widened or narrowed from the hip frame 200. As the fixed shaft 127 moves forward, the angle between the back frame 100 and the hip frame 200 becomes wider, and the angle between the back frame 100 and the hip frame 200 becomes narrower as it moves rearward.

16A and 16B are enlarged perspective views showing a part of a massage chair according to an embodiment of the present invention, FIG. 16A is a state where the back frame of the massage chair is erected, and FIG. 16B is a state where the frame of the massage chair is laid down to be.

16A and 16B, a connecting groove 101 may be formed in the back frame 100, and a protrusion 201 may be formed in the hip frame 200.

Specifically, the back frame 100 may be formed with a connecting groove 101 on one side of the hip frame 200. The connecting groove 101 is a groove corresponding to the upper surface of the connecting slide bracket 125, for example, may be in the shape of “凹”. Referring to Figure 16a, the connecting groove 101 may wrap the outer surface of the connecting slide bracket 125 according to the angle between the back frame 100 and the hip frame 200. Fixing shafts 127 may be installed on both sides of the connecting groove 101. An insertion hole or a bent portion for installation of the fixed shaft 127 may be formed at both ends of the connection groove 101, and the fixed shaft 127 is inserted into an end portion of the frame 100, such as through an insertion hole or a bent portion. It can be fixedly installed. In addition, the fixed shaft 127 may be positioned to face the long hole 129, is inserted into the long hole 129 and can be moved along the long hole 129. That is, the fixed shaft 127 may be inserted into the connecting slide bracket 125 through the long hole 129.

The hip frame 200 may have a protrusion 201 formed on one side of the back frame 100. The protrusion 201 has a shape corresponding to the connection groove 101 so as to be inserted and connected to the connection groove 101, for example, may be a “凸” shape. The upper surface of the connecting slide bracket 125 may be installed on the lower surface of the protrusion 201. Referring to FIG. 16B, the protrusion 201 may be inserted and connected to the connecting groove 101 according to the angle between the back frame 100 and the hip frame 200.

In this way, the connecting frame 101 and the protruding portion 201 are respectively inserted and connected to the back frame 100 and the hip frame 200, and the back frame 100 and the hip frame 200 are connected to a slide bracket. It may be connected through a connecting slide hinge 120 including a long hole hole 129 formed in the 125 and a fixed shaft 127 inserted into the long hole hole 129. Therefore, the back frame 100 and the hip frame 200 are freely adjustable in angle by sliding the fixed shaft 127 along the long hole 129. The massage chair 10 adopts an angle adjustment method between the back frame 100 and the hip frame 200 according to the slide movement, and when adjusting the angle between the back frame 100 and the hip frame 200, the flexible leg gear The distance deviation between the bent state and the unfolded state of 350 may be eliminated.

17 is a perspective view of the guide slide hinge shown in FIGS. 14A and 14B.

Referring to FIG. 17, the guide slide hinge 140 may include a guide slide bracket 145, a link 142 and a link connecting bracket 147. The guide slide bracket 145 may be installed on the hip frame 200, and the link connection bracket 147 may be installed on the back frame 100. The link 142 may be hinged to the link connecting bracket 147 to be collapsible. One side of the link 142 is axially coupled to the link connecting bracket 147, and the other side can slide back and forth along the longitudinal direction of the guide slide bracket 145. The link 142 may be accommodated in the guide slide bracket 145 by moving the slide on the other side.

Accordingly, when the flexible lag gear 350 is bent by adjusting the angle between the back frame 100 and the hip frame 200, the link 142 is folded to one side that is axially coupled to the link connecting bracket 147. It can be accommodated in the slide bracket 145. In addition, by adjusting the angle between the back frame 100 and the hip frame 200, when the flexible lag gear 350 is extended from the bent state, the link 142 has one side fixed to the link connecting bracket 147. At the same time as being unfolded from the folded state, it can slide backward along the guide slide bracket 145. To this end, a long hole 141 may be formed in the guide slide bracket 145, and the movement displacement of the link 142 may be limited by moving along the long hole 141.

Meanwhile, the guide slide hinge 140 may have a shape in which the guide slide bracket 145 is opened. That is, the link 142 can slide while the upper surface is exposed to the outside. However, the shape of the guide slide bracket 145 is not limited.

18 is a view for explaining another embodiment of the guide slide hinge shown in FIG.

Referring to FIG. 18, the guide slide hinge 140 ′ may have a shape in which the guide slide bracket 145 ′ is closed. That is, the guide slide bracket 145' may have a shape surrounding all the outer surfaces of the link 142'.

In this way, the guide slide hinge 140 can guide the rotation of the back frame 100 and the hip frame 200 when adjusting the angle between the back frame 100 and the hip frame 200, and at the same time, the back frame 100 ) And the hip frame 200 may be connected and supported.

Hereinafter, to assist in understanding the operation of the present invention, a description will be given of a base frame 400 supporting the massage portion 15 and a rotation module 700 that is a driving power source for adjusting the angle of the massage portion 15.

19 is a perspective view of a massage chair viewed from the rear according to an embodiment of the present invention.

A massage portion 15 based on the back frame 100 and the hip frame 200 may be installed in the base frame 400. In addition, a rotation module 700 including a back rotation motor 710, a slide link 730 and a hip rotation motor 720 may be installed in the base frame 400. The massage part 15 may be rotated in the vertical direction or the front-rear direction by the rotation module 700.

Specifically, the rotation module 700 is configured to rotate the back frame 100 and may include a back rotation motor 710, a slide link 730, and a back connection link 715. The back rotation motor 710 may move along the slide link 730 by driving power. The back rotation motor 710 may be connected to the back frame 100 through the back connection link 715. To this end, an installation frame 102 may be installed on the back of the back frame 100, and a back connection link 715 may be connected to the installation frame 102. The back frame 100 may be rotated in the front-rear direction by moving the fixed shaft 127 according to the operation of the back rotation motor 710. This will be described later in detail.

The rotation module 700 is configured to rotate the hip frame 200 and may include a hip rotation motor 720 and a hip connection link 725. The hip rotation motor 720 may be connected to the hip frame 200 by a hip connection link 725. The hip frame 200 may be rotated in the vertical direction by the hip rotation motor 720. For this, the connection between the base frame 400 and the hip frame 200 will be described with reference to FIG. 20.

20 is an enlarged view of part C of FIG. 19.

Referring to FIG. 20, the hip frame 200 may be rotatably connected to the base frame 400 by a fixed frame 410 and a fixed shaft 415. The fixed frame 410 is configured to be installed on the hip frame 200, and may be positioned between the hip frame 200 and the base frame 400. The fixed frame 410 may have a fixed shaft 415 inserted on one side, and may be axially coupled to the base frame 400 by the fixed shaft 415. Therefore, the hip frame 200 may rotate in the vertical direction with the fixed shaft 415 as an axis according to the operation of the hip rotation motor 720.

Hereinafter, the angle adjustment process of the massage chair 10 according to an embodiment of the present invention will be described in more detail.

21A and 21B are side views illustrating an operation example of a massage chair according to an embodiment of the present invention.

Referring to FIG. 21A, in a state in which the back rotation motor 710 is not operated, the back connection link 715 may be in a vertical state from the ground. In this case, the back frame 100 and the hip frame 200 may implement an approximately “L” shape to induce the user's sitting posture. As described above, the flexible lek gear 350 can connect the back lec gear 150 and the hip lex gear 250 in a bent state, and the massage module 500 includes the back lex gear 150 and the flexible lex gear 350 ) And hip leg gear 250, it is possible to move freely between the back frame 100 and the hip frame 200. In addition, the link 142 may be in a state accommodated in the guide slide bracket 145.

Referring to FIG. 21B, the back rotation motor 710 may operate to move forward along the slide link 730. Accordingly, the back connection link 715 can pull the back frame 100 backward. At the same time, the fixed shaft 127 moves forward along the long hole 129, and the connecting groove 101 and the protrusion 201 can be inserted and connected. The link 142 may move backward along the guide slide bracket 145. As a result, the back frame 100 is rotated rearward to induce a user's lying posture by implementing a substantially "-" shape with the hip frame 200. In this case, the flexible lek gear 350 may connect the back lec gear 150 and the hip lex gear 250 in an unfolded state, and the massage module 500 may include the back lex gear 150 and the flexible lex gear 350 ) And hip leg gear 250, it is possible to move freely between the back frame 100 and the hip frame 200.

Although embodiments of the present invention have been described with reference to the accompanying drawings, the embodiments described above are illustrative in all respects and should be understood as non-limiting.

10: massage chair 15: massage
100: back frame 101: connecting groove
102: mounting frame 120: connecting slide hinge
125: connecting slide bracket 127: fixed shaft
129: long hole 140: guide slide hinge
142: link 145: guide slide bracket
147: link connecting bracket 150: back lag gear
151: back lec gear connecting shaft 152: back lec gear connecting shaft through hole
152: back leg gear projection 155: back leg gear seating groove
200: hip frame 201: protrusion
250: butt lek gear 251: butt lek gear connecting shaft
252: butt lek gear connection shaft through hole
253: ass lek gear protrusion 255: ass lec gear seating groove
350: flexible lek gear 351: lek gear unit
355: flexible lek gear connecting shaft 357: flexible lek gear protrusion
358: flexible lag gear seating groove
359: Flexible lek gear connection shaft through hole
400: base frame 410: fixed frame
415: fixed shaft 500: massage module
510: pinion gear 520: massage roller
600: leg frame 700: rotation module
710: back rotation motor 715: back connection link
720: butt rotation motor 725: butt connection link
730: Slide link S1: First bend stopper face
S2: First unfolding stopper surface

Claims (7)

A back frame in which a back leg gear is installed;
Hip frame with hip lek gear installed;
A flexible lek gear that connects the back lec gear and the butt lec gear, and includes a plurality of lex gear units connected rotatably; And
Massage module for providing a massage to the user while moving between the back and back hip gears through the flexible and the back leg gear, the buttocks and the flexible leg gears and the pinion gear that moves while being engaged with the back leg gear ;
The lek gear unit,
A flexible stopper surface for limiting a rotation angle when the flexible lek gear is rotated to a bent state, and an extended stopper surface for limiting a rotation angle when the flexible lek gear is rotated in an extended state are formed,
Massage chair.
According to claim 1,
The flexible lek gear,
A massage chair connected between the lex gear units with a flexible lex gear connecting shaft and pivoting around the flexible lex gear connecting shaft. According to claim 1,
The flexible lek gear,
A massage chair having a flexible lex gear protrusion and a flexible lex gear seating groove formed in the lex gear unit to be fitted and coupled between the lex gear units. According to claim 3,
The flexible lek gear,
Flexible rack gear protrusions having arc surfaces on the front and rear surfaces of the rack gear unit and the flexible rack gear seating grooves having arc surfaces having a shape opposite to the arc surface of the flexible rack gear are formed to be fitted between the rack gear units. Become a massage chair. According to claim 3,
The lek gear unit,
A massage chair having stopper faces formed on upper and lower sides of the flexible lex gear protrusions and the flexible lec gear seating grooves with the flexible lex gear protrusions interposed therebetween. According to claim 1,
The massage chair,
A connecting slide hinge that pivotally connects the back frame and the hip frame; And
A guide slide hinge connected to the back frame and the hip frame to support and guide the back frame and the hip frame;
Further comprising, a massage chair. According to claim 1,
According to the rotation of the back frame or the hip frame, the flexible lec gear becomes a bent state or an unfolded state by the rotation of the plurality of lex gear units, so that the back lec gear is independent of the rotation of the back frame or the hip frame And connecting the hip lek gear, and as a result, a movement between the back lec gear and the hip lec gear of the massage module is possible.

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