KR100795528B1 - Chair for correcting the spine - Google Patents

Abstract

There is provided a chair for chiropractic correcting the spine by correcting the posture. The chair for a chiropractic according to the present invention comprises a seat in which a user can sit and a support for supporting the seat, wherein the seat has a hip seat in which the hip part of the user is seated and the front of the hip seat. The first leg sheet positioned on one side and the second leg sheet formed to face left and right opposite to the first leg sheet are formed on the other side of the front of the hip sheet, and are fixed to one side of the bottom surface of the bottom of the hip sheet. The second seat is pivotally coupled to the first pivot and the first pivot is pivotally coupled to the left and the second seat is fixed to the other side of the bottom surface of the bottom seat pivotally coupled to the second seat It includes a rotating part.

Bottom seat, leg seat, rotating part, ratchet wheel, stopper, slide, knee seat

Description

Chair for chiropractic {Chair for correcting the spine}

1 is a perspective view of a chair for chiropractic according to a first embodiment of the present invention.

2 is a bottom perspective view of the chair for chiropractic according to the first embodiment of the present invention.

3 is an exploded perspective view of the first pivotal part of the chair for chiropractic according to the first embodiment of the present invention.

4A and 4C are diagrams sequentially illustrating a process of using a chair for chiropractic according to the first embodiment of the present invention.

Figure 5a is a cross-sectional view showing the spine when the user sits in a conventional general chair.

Figure 5b is a cross-sectional view showing the spine when the user sits in the chair for chiropractic according to the present invention.

Figure 6a is a perspective view showing a chair for chiropractic according to the second embodiment of the present invention.

Figure 6b is a side view showing a chair for chiropractic according to the second embodiment of the present invention.

Figure 6c is a plan view showing a chair for chiropractic according to the second embodiment of the present invention.

7 is a view showing a chair for chiropractic according to the third embodiment of the present invention.

8 is a view showing a chair for chiropractic according to the fourth embodiment of the present invention.

9 is a perspective view showing a slide unit of another embodiment of the chair for chiropractic according to the fourth embodiment of the present invention.

10A and 10B are diagrams sequentially illustrating a process of using a slide unit of another embodiment of a chair for chiropractic according to the fourth embodiment of the present invention.

Figure 11a is a bottom perspective view showing another embodiment of the rotation part of the chair for chiropractic according to the present invention.

FIG. 11B is a sectional view taken along the line XIb-XIb ′ of FIG. 11A.

12A and 12B are side cross-sectional views illustrating a chair for chiropractic according to another embodiment of the present invention.

(Explanation of symbols for the main parts of the drawing)

110: bottom sheet 112: bottom sheet support plate

120: first leg seat 122: leg seat support plate

130: second leg seat 200: support portion

301: first rotating part 302: second rotating part

310: fixed bracket 312: fixed carrier

314: coupling hole 320: rotating bracket

322: rotating carrier 324: through hole

330: ratchet wheel 340: stopper

344: stopper lever 360: rotating wheel

370: button portion 400: knee seat

410: knee seat 420: support member

500: backrest 600, 600 ': slide part

610: guide bracket 620: moving plate

630: slide stopper

The present invention relates to a chair for chiropractic, and more particularly, to a chair for chiropractic configured to correctly correct a posture sitting on a chair to prevent and early treat various spinal diseases.

Correct posture keeps the spine in a steady state, and it is well known that it is very effective in preventing various spinal diseases and recovering from fatigue. In particular, children in adolescence are often stunted due to posture imbalance, and the posture changes frequently when sitting on a chair for long periods of work or study. In this case, the load of the upper body toward one side of the spine or buttocks is increased. Concentration can cause fatigue in the lower back and hips. Because of this, there was a problem that can not concentrate on work or study.

As a solution to this problem, Korean Utility Model Registration No. 0207216 discloses a structure in which a knee cushion is installed to form a predetermined angle with a hip cushion. When the user sits in a chair, the posture is corrected by a predetermined angle formed by the hip cushion and the knee cushion, and the waist is straightened. However, because both knees are bent at the same time, when sitting for a long time, the user's own load is concentrated on both knees, there was a problem that the two knees follow.

Therefore, you need a chair that distributes the load concentrated on both knees.

The technical problem to be achieved by the present invention is to provide a chair for chiropractic that does not feel fatigue even when the user sitting in the chair for a long time by distributing the load concentrated on both knees.

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

Chair for a chiropractic according to an embodiment of the present invention for achieving the above technical problem, the seat comprising a seat that the user can sit and a support for supporting the seat, wherein the seat portion, the hip portion of the user The seat is formed of the bottom seat and the first leg seat positioned on one side in front of the bottom sheet and the second leg sheet formed to face left and right opposite the first seat seat, the bottom sheet It is fixed to one side of the lower surface is formed so as to face left and right with the first pivot portion and the first pivot portion pivotally coupled so that the first leg seat, the second leg fixed to the other side of the bottom surface of the bottom sheet The seat includes a second pivotal portion pivoted to be pivotable.

Specific details of other embodiments are included in the detailed description and the drawings.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, and only the embodiments make the disclosure of the present invention complete, and the general knowledge in the art to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a chiropractic chair 10 according to a first embodiment of the present invention, Figure 2 is a bottom perspective view of the chiropractic chair 10 according to the first embodiment of the present invention.

As shown in Figures 1 and 2, the chair for chiropractic 10 according to the first embodiment of the present invention is a seat portion 100, the support portion 200 for supporting the seat portion 100, the user sits And it may be configured to include a rotating part 300 for controlling the seat 100.

The seating part 100 may include a hip seat 110 in which a user's hips are seated, and a first leg seat 120 and a second leg seat 130 in which a user's leg is located. A bottom sheet of the bottom sheet 110 is provided to support the bottom sheet 110, and a bottom sheet supporting plate 112 is provided, and the bottom surfaces of the leg sheets 120 and 130 are supported to support the leg sheets 120 and 130. And the leg seat support plate 122 is provided. Materials of the support plates 112 and 122 include, but are not limited to, wood, synthetic resin, and metal.

The support part 200 is coupled to the seat part 100 to be seated on the support pillar 210 and the ground to maintain the floor and the seat part 100 at a predetermined height to provide stability to the seat part 100. It consists of a leg 220. Here, the leg 220 may be formed in an "E" shape to facilitate the movement of the foot when the user bends the knee. In addition, the ends of the legs 220 are formed to have a predetermined curvature to the outside to correspond to the user may be different physical conditions, so that the user's feet do not interfere with the legs 220 of the support portion 200, The form of 220 is not limited to this.

The rotating part 300 includes a first rotating part 301 and a second rotating part 302, respectively, to control the first leg seat 120 and the second leg seat 130. The structure and role of the rotating unit 300 will be described in detail with reference to FIG. 3.

3 is an exploded perspective view of the first pivotal part 301 of the chair for chiropractic 10 according to the first embodiment of the present invention. As shown in FIG. 3, the first pivot part 301 is coupled to the bottom surface of the fixing bracket 310 and the leg seat support plate 122 which are coupled to and fixed to the bottom surface of the bottom seat support plate 112, and are fixed. It may be configured to include a rotation bracket 320 pivotally coupled to pivot the bracket 310 to be rotatable.

The fixing bracket 310 has a coupling hole 314 formed in the fixing carrier 312 provided at one side, and the rotating bracket 320 corresponds to the coupling hole 314 in the rotating carrier 322 provided at one side. A through hole 324 penetrating one side is formed. The coupling hole 314 and the through hole 324 are concentrically positioned, and transmits rotation only in one direction by the action of a pawl, and does not transmit a movement in the opposite direction (Ratchet wheel); 330 is coupled to the concentric coupling hole 314 and the through hole 324. At this time, the hinge 332 of the ratchet wheel 330 penetrates loosely through the coupling hole 314 of the fixing bracket 310 and is forcibly fitted into the through hole 324 of the rotating bracket 320, thereby to the rotating bracket 320. The ratchet wheel 330 is fixed integrally. As the ratchet wheel 330 is integrated into the rotation bracket 320, as described above, the ratchet wheel 330 may be forcibly fitted, but the present invention is not limited thereto.

Here, the stopper 340 is provided at the side of the fixing bracket 310 for the control of the ratchet wheel 330. A protruding jaw 342 is provided on one surface of the stopper 340 to engage the gear of the ratchet wheel 330 to brake the ratchet wheel 330. In addition, a stopper lever 344 is formed at one side of the stopper 340 to facilitate the rotation of the stopper 340, and a spring 350 at the other side of the stopper 340 to return the rotated stopper 340 to its original position. ) Is combined. One side of the spring 350 is fixed to one surface of the fixing bracket 310, the spring fixing hole 346 is formed on the other side of the stopper 340, the other end of the spring 350 is the spring fixing hole 346 Is bent and fixed at a predetermined angle.

Accordingly, the first leg seat 120 coupled with the rotation bracket 320 is rotated by the ratchet wheel 330, and the ratchet wheel 330 is controlled by the stopper 340 to allow the first leg seat 120 to be rotated. , 130 may maintain a predetermined angle with the bottomsheet 110.

On the other hand, the second pivoting portion 302 is formed symmetrically with the first pivoting portion 301 and the bottom sheet support plate 112 on the side opposite to the first pivoting portion 301 fixed to the hip seat support plate 112 It is fixed to the lower surface of the second leg sheet 130 is formed symmetrically with the first leg sheet 120 is connected to the rotation bracket 320 of the second pivot 302. Since the second rotating part 302 and the second leg seat 130 have the same structure and shape as the first rotating part 301 and the first leg seat 120, description thereof will be omitted. In this case, the first leg sheet 120 and the second leg sheet 130 are preferably spaced apart to prevent mutual interference.

A method of using the chiropractic chair 10 according to the present invention having the above configuration will be described in detail below.

4A and 4C are diagrams sequentially illustrating a process of using the chair 10 for chiropractic according to the first embodiment of the present invention. For convenience of description, the first leg seat 120 and the first pivot 301 will be described in detail.

First, when the user sits on the hip sheet 110, the legs are naturally seated on the leg sheets 120 and 130 (see FIG. 4A). Thereafter, when the stopper lever 344 is bent in the direction of the arrow, the stopper 340 is rotated so that the protruding jaw 342 of the stopper 340 between the teeth of the ratchet wheel 330 is spaced apart from the ratchet wheel 300. The rotating bracket 320 can freely rotate the through hole 324 with the main shaft. At this time, if the user wants the first leg seat 120 is rotated by the rotation bracket 320 by a predetermined angle to rotate the first leg seat 120. Then, the leg sheet support plate 122 and the first leg sheet 120 coupled to the pivot bracket 320 rotate together to form a predetermined angle with the hip sheet 110 (see FIG. 4B).

After that, when the load applied to the stopper lever 344 is removed, one side is fixed to one surface of the fixing bracket 310 and the other side is fixed by the spring 350 fixed to the spring fixing hole 346 of the stopper 340. Stopper 340 is returned to its original position. At this time, the projection jaw 342 of the stopper 340 is seated between the teeth of the ratchet wheel 330 to brake the ratchet wheel 330 (see Fig. 4c). On the contrary, if the first leg sheet 120 is to be returned to the original position, the procedure of the method may be reversed.

Figure 5a is a cross-sectional view showing the spine when the user sits in a conventional general chair, Figure 5b is a cross-sectional view showing the spine when the user sits on a chair 10 for chiropractic according to the present invention.

As shown in Figure 5a, if the user is sitting on the general chair (1) is not correct posture, the vertebral disc (2), which should be equally applied, will continue to be pressed on only one part, causing deformation of the intervertebral disc (3) and causing the lumbar disc. And various spine diseases.

However, as shown in FIG. 5B, the leg sheets 120 and 130 form a predetermined angle θ with the hip sheet 110 to induce a correct posture to the user. Therefore, if the user only sits on the chair for orthodontics according to the present invention, the posture is correctly established by the predetermined angle θ formed by the hip seat 110 and the leg seats 120 and 130, and automatically The waist straightens.

1 to 5B has been described the chiropractic chair 10 according to the first embodiment of the present invention, it can be applied to the case of the chair equipped with knee seat 400 as shown in Figure 6a. Figure 6a is a perspective view showing a chair for chiropractic 20 according to a second embodiment of the present invention, Figure 6b is a side view showing a chair for chiropractic 20 according to a second embodiment of the present invention, Figure 6c Is a plan view showing a chair for chiropractic 20 according to the second embodiment of the present invention. For convenience of description, members having the same functions as the members shown in the drawings of the first embodiment are denoted by the same reference numerals, and therefore description thereof is omitted. As shown in FIGS. 6A to 6C, the chiropractic chair 20 of the present embodiment has basically the same structure as the chiropractic chair 10 of the first embodiment except for the following, and with reference thereto, Will be described only in terms of differences from the first embodiment.

That is, as shown in Figures 6a to 6c, the chair for chiropractic 20 according to the second embodiment of the present invention, the user is sitting on the hip seat 110 using the pivot 300 to bend the knee Knee seating portion 400 may be further provided to support the knee when hit. The knee seat 400 may include a knee seat 410 on which a user's knee is seated and a support member 420 supporting the knee seat 410.

The supporting member 420 is provided to be rotatable at the central end of the leg 220 of the support part 200, and is bent to the first leg sheet 120 or the second leg sheet 130. At this time, the knee seat 410 is pivotally coupled to the end of the support member 420 is configured to be rotatable so that the knee seat 410 is rotated to correspond to the angle of the knee bent by the user. In addition, when the user rotates the first leg seat 120 and the right knee is bent, the second leg when the left leg is bent by rotating the second leg seat 130 to the first leg seat 120 side. Each rotated toward the seat 130 side can be easily moved in the direction of the knee to be used. Here, the support member stopper 422 may be formed to prevent the support member 420 from being rotated by the user's load when the user bends the knee and rests the knee on the knee seat 410, but is not limited thereto. Do not.

In addition, the backrest 500 may be further provided to support the back when the user sits on the hip sheet 110. The backrest 500 may be fixed to the support 510 coupled to the bottom surface of the bottom of the bottom seat support plate 112, and further include a waist rest 520 below the backrest 500. Preferably, the backrest 500 and the waist rest 520 are formed to be movable up and down along the support 510 to correspond to a user whose physical condition may be different. In addition, the casters 230 may be installed on the plurality of legs 220 of the support part 200 supporting the hip sheet 110 to allow free movement.

7 is a view showing a chair for chiropractic 30 according to the third embodiment of the present invention. As illustrated in FIG. 7, an armrest 530 may be further provided on one side or both sides of the hip sheet support plate 112 to place a user's arm on the upper backrest 500. A neck support 540 supporting the neck of the user may be further provided to provide the user with comfort.

The individual embodiments may be applied by mixing one or more selectively.

8 is a view showing the chair for chiropractic 40 according to the fourth embodiment of the present invention. As shown in FIG. 8, the slide unit 600 is formed to allow the seat unit 100 to move back and forth so as to correspond to physical requirements for each user.

The slide unit 600 may further include a fixing plate 150 on which the linear guide 155 is formed. In more detail, the fixing plate 150 on which the linear guide 155 is formed is installed at the bottom of the hip sheet support plate 112, and the guide groove 122a is formed in the bottom sheet support plate 112 so as to correspond to the linear guide 155. Forming and inserting a linear guide 155 into the guide groove (122a).

Here, the linear guide 155 may be formed to face two or more sides in consideration of the load generated in the linear guide 155 during the linear movement. In addition, the fixing plate 150 and the bottom sheet support plate 112 may be made of a synthetic resin or metal material having a predetermined strength, but is not limited thereto.

The chair for chiropractic 30 according to another embodiment of the present invention configured as described above corresponds to a physical condition that may be different for each user by the linear movement of the seat 100 back and forth by the linear guide 155.

9 is a perspective view illustrating a slide unit 600 'of another embodiment of the chair 40 for chiropractic according to the fourth embodiment of the present invention, and FIGS. 10A and 10B illustrate the spine according to the fourth embodiment of the present invention. Of the orthodontic chair 40 is a view sequentially showing the process of using the slide portion 600 'of another embodiment.

As shown in FIG. 9, the slide part 600 ′ of the chair for chiropractic 40 according to the present embodiment includes a guide bracket 610 fixed to the bottom of the hip seat support plate 112, and the guide bracket ( It may be configured to include a moving plate 620 coupled to the 610 to a linear movement and a slide stopper 630 for controlling the moving plate 620.

Guide bracket 610 is formed with a guide groove 612 in the longitudinal direction of the front and rear, a plurality of fixing holes 614 are formed at a predetermined interval. A plurality of rollers 622 are provided at both sides of the moving plate 620 at predetermined intervals, and inserted into the guide grooves 612 to linearly reciprocate along the guide grooves 612. The moving plate 620 is provided with a slide stopper 630 in the direction of the fixing hole 614 formed in the guide bracket 610 to fix the guide bracket 610 and the moving plate 620.

The slide stopper 630 has a through hole 631 formed therein, the fixing block 632 fixed to one surface of the moving plate 620, and one end of the fixed hole of the guide bracket 610 through the through hole 631. 614, the other end is a fixed pin 634 formed in the form of a ball, a rotating block 636 for receiving the other end of the fixing pin 634 to control the movement of the fixing pin 634, the rotating block ( It is configured to include a spring 638 fastened to the 636 to return to the original position by providing an elastic force and a rotation lever 639 formed on one surface of the rotation block 636 to facilitate the rotation of the rotation block 636. Can be.

A method of using the slide unit 600 'of the chair for chiropractic according to the present invention having the above configuration will be described in detail with reference to FIGS. 10A and 10B.

First, when the rotation lever 639 provided in the rotation block 636 is pressed by applying a predetermined force in the direction of the arrow, the rotation block 636 rotates at a predetermined angle. Then, the other side of the fixed pin 634 formed in the ball shape that was accommodated in the rotation block 636 moves in contact with the inside of the rotation block 636 and positioned in the fixing hole 614 of the guide bracket 610. One end of the fixing pin 634 is released from the fixing hole 614. Then, the moving plate 620 equipped with a plurality of rollers 622 is capable of linear movement along the guide groove 612, the force applied to the rotation lever 639 by selecting a position to correspond to the user's physical condition Removing the back, the rotation block 636 is returned to its original position by the elasticity of the spring fastened to the rotation block 636. The other end of the fixing pin 634 is brought into rolling contact by the circularly-returned rotation block 636, and one end thereof is fixed by being fastened to the fixing hole 614 of the guide bracket 610.

The slide units 600 and 600 'include a guide system, a rack and a pinion gear, and a linear reciprocating motion, but there are various embodiments, but the present invention is not limited thereto.

FIG. 11A is a bottom perspective view showing another embodiment of the pivoting part 300 'of the chair for chiropractic according to the present invention, and FIG. 11B is a XIb-XIb' section view of FIG. 11A.

As shown in FIGS. 11A and 11B, the rotating part 300 ′ may also be applied to a button type. The rotating part 300 ′ of the present embodiment is configured such that the hinge 362 of the rotating wheel 360 having a plurality of teeth is coupled to the coupling hole 314 and the through hole 324 to be integral with the rotating bracket 320. It is installed, it may be configured to include a button unit 370 provided on one surface of the fixing bracket (310).

The button part 370 is fixed to one surface of the fixing bracket 310, the button case 372 has a receiving space formed therein, the button 374 is accommodated in the button case 372 that the user can press by hand and One end is fixed to one surface of the button 374, the predetermined side is bent and the other end is a brake member 376 located between the teeth of the rotary wheel 360 and a spring for providing a predetermined elastic force to the button 374 ( 378).

One end of the braking member 376 is fixed to one surface of the button 374 and is bent in the direction of the rotation wheel 360 so that the other end is positioned between the teeth of the rotation wheel 360 to brake the rotation of the rotation wheel 360. .

The method of using the pivoting part 300 'according to another embodiment of the chair 40 for chiropractic of the present invention configured as described above is to first press the button 374 of the side pivoting part 300' to be bent by the user. When a predetermined force is pressed, the button 374 moves inward along the storage space of the button case 372. Then, the braking member 376 provided on one surface of the button 374 also moves together, so that the other end of the braking member 376 positioned between the teeth of the rotating wheel 360 is pulled out, thereby enabling the rotation of the rotating wheel 360. Lose. Thereafter, the user rotates the leg sheets 120 and 130 by a desired angle.

Thereafter, when the predetermined force applied to the button 374 is removed, the button 374 is returned to its original position by the elasticity of the spring 378 provided in the button case 372.

Here, the other end of the braking member 376 is preferably formed in a round or hemispherical shape in order to facilitate insertion when the other end of the braking member 376 is inserted between the teeth of the rotary wheel 360. In addition, the teeth of the rotary wheel 360 that the other end of the braking member 376 abuts have a round shape with a predetermined curvature to make point contact when the other end of the brake member 376 is inserted into the teeth of the rotary wheel 360. Make sure it is inserted smoothly by sliding. However, the structure and shape of the pivot 300 'is not limited thereto.

12A and 12B are side cross-sectional views showing chiropractic chairs 50a and 50b according to another embodiment of the invention. That is, as illustrated in FIGS. 12A and 12B, the user installs a leaf spring 392 or a torsion spring 394 to return the pivoted leg seats 120 and 130 to their original positions. Just by pulling or pressing the button 374, the leg seat 120, 130 may be automatically returned to its original position. However, since the leg seats 120 and 130 may be automatically returned by operating a motor through an electrical signal, the method of returning the rotated leg seats 120 and 130 to their original positions is not limited thereto.

Although the above embodiments have been individually described, the chiropractic chair of the present invention may be applied by mixing one or more of these embodiments.

In addition, although embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features thereof. I can understand that. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive.

As described above, according to the chair for chiropractic according to the present invention, the posture is correctly set by the inclined predetermined angle of the hip seat and the leg seat, and the waist is straightened automatically when the user sits down. It is possible to prevent spinal diseases in advance and to easily treat early scoliosis.

In addition, since only one leg seat of both legs can be selectively adjusted, the load applied to the knees can be distributed to sit for a long time.

In addition, there is an advantage in that the sliding movement of the seat portion is tailored / fixed to the user may be different physical conditions.

Claims (16)

In the chair consisting of a seat for the user to sit and a support for supporting the seat, The seat portion, A bottom sheet on which the bottom part of the user is seated; A first leg seat positioned at one side in front of the hip seat; A second leg sheet which is formed to face the first leg sheet and is positioned on the other side of the front of the hip sheet; A first pivoting part fixed to one side of the bottom surface of the bottom seat and pivotally coupled to the first leg seat; And And a second pivotal portion which is formed to face left and right with the first pivotal portion and is pivotally coupled to the other side of the bottom surface of the hipseat so that the second legsheet is pivotable. The method of claim 1, wherein the first rotating unit, A fixing bracket having a coupling hole formed at one end thereof and fixed to one side of the bottom surface of the hip sheet; And A rotating carrier fixed to the lower surface of the first leg sheet and having a through hole formed at one end thereof is provided, and the through hole is pivotally coupled to be pivotally connected to the fixing bracket by being positioned on the concentric axis with the coupling hole. Chiropractic chair. The method of claim 2, wherein the second rotating unit, A fixing bracket having a coupling hole formed at one end thereof and fixed to the other side of the bottom surface of the bottom sheet; And A rotating carrier fixed to the lower surface of the second leg sheet and having a through hole formed at one end thereof is provided, and the through hole is a pivot bracket which is pivotally coupled to the coupling bracket to be positioned on the concentric axis with the coupling hole. Chiropractic chair. The method of claim 3, wherein the first rotating part or the second rotating part, A ratchet wheel having a plurality of ratchet teeth formed on an outer circumferential surface thereof, the hinge formed by protruding from one surface thereof being inserted into the through hole through the coupling hole to be integrally coupled with the rotation bracket; A stopper forming a protruding jaw on one surface and the protruding jaw inserted between the ratchet teeth to brake the ratchet wheel; And One side is installed on one surface of the fixing bracket and the other side is a chair for chiropractic further comprises a spring fixed to one side of the stopper. The method of claim 4, wherein the stopper, The chair for chiropractic further comprising a stopper lever protruding to have a predetermined height on one side. The method of claim 3, wherein the first rotating part or the second rotating part, A rotating wheel having a plurality of teeth formed on an outer circumferential surface thereof, the hinge formed by protruding from one surface thereof being inserted into the through hole through the coupling hole to be integrally coupled with the rotation bracket; And And a button unit fixed to one surface of the fixing bracket to brake the rotating wheel. The method of claim 6, wherein the button unit, An accommodation space is formed therein, the button case is fixed to one surface of the fixing bracket; A button accommodated in the button case to linearly reciprocate along the accommodation space; One end is fixed to one surface of the button, the predetermined side is bent so that the other end is located between the teeth of the rotating wheel to limit the movement of the rotating wheel; And And a spring accommodated in the button case to provide a predetermined elastic force to the button. The method of claim 1, And a knee seat installed in front of the first leg seat or the second leg seat to support the knee of the user. The method of claim 8, wherein the knee seat portion, One end is rotatably coupled to one surface of the support, the other end is bent to the first leg sheet or the second leg sheet side formed support member; And And a knee seat pivotally coupled to the other end of the support member. The method of claim 1, The chair for chiropractic further comprising a slide portion coupled to the hip sheet so that the hip sheet can move back and forth. The method of claim 10, wherein the slide unit, At least one linear guide is formed on one side in the longitudinal direction, and includes a fixing plate positioned on the bottom surface of the bottom sheet. The bottom seat has a guide groove is formed so as to correspond to the linear guide, the linear guide is fastened to the guide groove spine chair for straight reciprocating movement. The method of claim 10, wherein the slide unit, A guide bracket formed on one surface in a longitudinal direction, and a plurality of fixing holes formed on one side at predetermined intervals, the guide bracket being fixed to the bottom of the hip sheet; A moving plate having a plurality of rollers provided at predetermined intervals on both sides thereof and inserted into the guide groove; And And a slide stopper fixed to one surface of the movable plate to control the movement of the movable plate. The method of claim 12, wherein the slide stopper, A fixed block having a through hole formed and fixed to one surface of the moving plate; A fixing pin penetrating the through hole and having one end positioned in the fixing hole and the other end having a ball shape; A rotating block pivotally coupled to receive the other end of the fixing pin and to be rotatable with the movable plate; A spring that is fastened to the pivot block to provide elastic force to the pivot block; And Is provided on one surface of the rotation block spine correction chair comprising a rotation lever extending by a predetermined length. The method of claim 1, A backrest installed at an upper portion of the bottom of the hipsheet to support the user's back; A waist support installed at a lower portion of the back support to support a waist of the user; An armrest installed at one side or both sides of the hip sheet to support the arm of the user; A neck support installed on the back of the back to support the neck of the user; And The chair for chiropractic further comprising a plurality of casters are installed on the lower surface of the support to enable movement. The method of claim 1, The spine further includes a leaf spring connected to the hip seat, the first leg sheet, and the second leg sheet, respectively, by rotating the first leg sheet and the second leg sheet by an elastic force to return to the original position. Orthodontic chair. The method of claim 1, The spine further includes a torsion spring connected to the hip seat, the first leg sheet, and the second leg sheet, respectively, to rotate the first leg sheet and the second leg sheet by an elastic force to return to the original position. Orthodontic chair.

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