KR20210053002A - Waist protection and Posture correction chair - Google Patents

Abstract

The present invention relates to a back protection and posture correction chair, wherein according to the present invention, the back protection and posture correction chair may be provided comprising: a base frame comprising a seat frame and a backrest frame; a seat part that is formed so that a user can sit, is rotatably installed on the upper side of the seat frame, and has an adjustable inclination; a backrest part located in front of the backrest frame to support the back; and a cylinder part installed on the base frame to adjust the inclination of the seat part and move the backrest part. Therefore, the present invention is capable of protecting the spine by minimizing a pressure and strain on the spine.

Description

Waist protection and posture correction chair

The present invention relates to a chair that can protect the vertebral joints of the lower back, particularly the lower lumbar vertebra, and to correct the posture, and more specifically, by applying a seat part of a chair with free front and rear tilt angle adjustment, the pressure applied to the spine when sitting on the chair and moving By minimizing the pressure and deformation applied to the spine by allowing the deformation force to be received by the seat of the chair instead of the joint of the spine, the back support is always linked by the movement of the seat according to the user's center of gravity. It relates to a waist protection and posture correction chair to support the spine from behind.

When you sit in a chair and move your body forward or sideways, the movement of the upper body occurs through the movement of the spinal joints.

In the movement of the vertebral joint, the most movement occurs while receiving the most force from the lower end of the sacral vertebral joints of lumbar vertebrae 4 and 5 and lumbar vertebrae 5.

The absolute majority of lumbar intervertebral disc patients are 4,5 and 5 lumbar sacral lesions, and MRI shows that even those with no back pain progression of the 4,5 lumbar and 5 th sacral vertebrae faster than other areas There is, which means that this area is absolutely the center of a strong and weak movement.

In this way, if the motion of the spinal joint as described above continues for a long time while sitting in a chair, it may cause low back pain or disc.

In the conventional chair, when the user sits on the chair, it is designed to be in close contact with the chair seat plate and the backrest and to use the upper body upright, so it is practically difficult to maintain the spine in a vertical position. The waist was too difficult to bear for a long time, and as fatigue increased, it was difficult to solve the cause of low back pain or disc.

In addition, if you sit deep in a chair, you can lean comfortably on the back, but if you lean forward, the waist and back are separated, so you could not lean.

In order to solve the above problems, the present invention applies the seat of a chair with free front and rear tilt angle adjustment, so that the pressure and deformation applied to the spine when sitting on the chair and moving are received by the seat of the chair instead of the joint of the spine. The purpose is to protect the spine by minimizing the applied pressure and deformation force, and to provide a chair for back protection and posture correction so that the back support always supports the spine from behind by interlocking the backrest according to the movement of the seat according to the user's center of gravity. There is this.

In order to solve the above problems, the waist protection and posture correction chair according to the first embodiment of the present invention includes a base frame including a seat frame and a back support frame; Doedoe formed so that the user can sit, the seat portion is rotatably installed on the upper side of the seat frame and the inclination is adjusted; It is possible to provide a waist protection and posture correction chair including a backrest portion positioned in front of the backrest frame to support the waist, and a cylinder portion installed on the base frame to adjust the inclination of the seat portion and move the backrest portion.

Here, the cylinder portion may include three or more tilt adjustment cylinders formed at the center of the upper surface of the seat frame and symmetrically formed on both sides, and a piston connected to the lower surface of the seat portion.

In addition, the seat portion is characterized in that the inclination is adjusted by each of the pistons of the inclination adjustment cylinder are pulled in or pulled out according to the movement of the center of the body of the seated user.

In addition, the inclination adjustment cylinder may include a valve that is individually controllable to control the direction of the inclination in which the seat portion can be adjusted.

In addition, the inclination control cylinder further includes a fluid supply unit that adjusts the amount of fluid in the inclination control cylinder, and allows the inclination of the seat portion to be adjusted through the valve, and the inclination control cylinder opens the valve as the fluid is supplied from the fluid supply unit. It is characterized in that each is controlled to adjust the inclination of the seat portion.

In addition, the cylinder part is formed on the front side of the upper surface of the seat frame, and the piston is formed on the front of the backrest frame and at least one first backrest adjustment cylinder connected to the lower surface of the seat part, and the piston is connected to the rear surface of the backrest part. 1 It further comprises a second backrest adjustment cylinder connected to the backrest adjustment cylinder, and a fluid flow occurs in the first backrest adjustment cylinder according to a pressure change generated by the seat portion, through the second backrest adjustment cylinder. It is characterized in that the backrest part moves forward or backward.

In addition, it may further include a cushion fixing portion that is installed on both sides of the seat portion to hold the waist of the user from both sides.

In addition, the cushion fixing portion includes a cushion frame positioned on both sides of the seat portion; A cushion control unit installed on the lower surface of the seat and connected to the cushion frame to move the cushion frame to the left and right, and each formed inside the top of the cushion frame to hold the user's waist by expansion. It may include a cushion.

In addition, the base frame of the chair for waist protection and posture correction according to the second embodiment of the present invention further includes a backrest pivoting part that is connected between the seat frame and the backrest frame so that the backrest frame can be rotated in the left and right directions. And, the cylinder portion is formed on both sides of the upper surface of the seat frame, a third backrest adjustment cylinder with a piston connected to the lower surface of the seat portion and formed on both sides of the upper surface of the seat frame, and the pistons are respectively connected to the lower end of the backrest frame, It further comprises a fourth backrest adjustment cylinder connected to the third backrest adjustment cylinder located in the opposite direction with respect to the left and right direction, the third backrest adjustment cylinder in accordance with the pressure change generated by the seat portion of the fluid It is characterized in that the piston of the fourth backrest adjustment cylinder connected to the flow occurs is pulled out or retracted, respectively, so that the backrest frame rotates to the left or to the right.

The waist protection and posture correction chair according to the embodiment of the present invention as described above applies the seat of the chair with free front and rear tilt angle adjustment, so that the pressure and deformation applied to the spine when sitting on the chair and moving are applied to the seat of the chair instead of the joint of the spine. It is possible to protect the spine by minimizing the pressure and strain applied to the spine by allowing it to be received.

Accordingly, even when sitting in a chair for a long time, it is possible to prevent the root of low back pain by naturally straightening the spine without putting a burden on the back.

In addition, the inclination of the seat portion is adjusted as the center of the body of the user seated in the chair moves, so that the user can easily exercise the lumbar spine.

In addition, in the case of scoliosis patients, the inclination of the pelvis can be arbitrarily adjusted by adjusting the inclination of the seat, thereby creating a condition in which only the side of the thoracic or lumbar vertebrae is stretched, so that the correction of the scoliosis can be naturally induced.

In addition, as the backrest moves back and forth according to the movement in the inclined direction of the seat part according to the user's center of gravity, the backrest can always support the waist, protecting the waist.Especially, those with back pain can freely depend on the backrest. I can move.

1 is a perspective view showing a waist protection and posture correction chair according to a first embodiment of the present invention.
Figure 2 is a perspective view showing the waist protection and posture correction chair of Figure 1;
Figure 3 is a side view showing the waist protection and posture correction chair of Figure 1;
4A and 4B are exemplary views showing the shape of the cylinder part of FIG. 1.
Figure 5 (a) and (b) is an operation example showing a state in which the inclination of the seat portion of the waist protection and posture correction chair according to the first embodiment of the present invention is adjusted.
Figure 6 (a) and (b) is an operation example showing a state in which the first and second backrest adjustment cylinders are operated by the seat portion of the chair for waist protection and posture correction according to the first embodiment of the present invention.
7 is a perspective view showing a state in which the chair for back protection and posture correction according to the first embodiment of the present invention further includes a cushion fixing part.
Figure 8 is a front view showing the waist protection and posture correction chair of Figure 7;
Figures 9 (a) to (c) is an exemplary view showing a state in which the cushion fixing part of Figure 7 is operated.
10 is a perspective view showing a waist protection and posture correction chair according to a second embodiment of the present invention.
Figure 11 (a) and (b) is an operation example showing a state in which the third and fourth backrest adjustment cylinders are operated by the seat portion of the chair for waist protection and posture correction according to the second embodiment of the present invention.

Hereinafter, the description of the present invention with reference to the drawings is not limited to a specific embodiment, and various transformations may be applied and various embodiments may be provided. In addition, the content described below should be understood to include all conversions, equivalents, and substitutes included in the spirit and scope of the present invention.

In the following description, terms such as first and second are terms used to describe various elements, and their meanings are not limited, and are used only for the purpose of distinguishing one element from other elements.

The same reference numbers used throughout this specification denote the same elements.

The singular expression used in the present invention includes a plurality of expressions unless the context clearly indicates otherwise. In addition, terms such as "comprise", "include" or "have" described below are intended to designate the presence of features, numbers, steps, actions, components, parts, or combinations thereof described in the specification. It is to be construed and not to preclude the possibility of the presence or addition of one or more other features, numbers, steps, actions, components, parts, or combinations thereof.

Unless otherwise defined, all terms used herein including technical or scientific terms have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms as defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and should not be interpreted as an ideal or excessively formal meaning unless explicitly defined in the present application. Does not.

In addition, in the description with reference to the accompanying drawings, the same reference numerals are assigned to the same components regardless of the reference numerals, and redundant descriptions thereof will be omitted. In describing the present invention, when it is determined that a detailed description of a related known technology may unnecessarily obscure the subject matter of the present invention, a detailed description thereof will be omitted.

Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS. 1 to 11.

1 is a perspective view showing a waist protection and posture correction chair according to a first embodiment of the present invention, FIG. 2 is a projection perspective view showing the waist protection and posture correction chair of FIG. 1, and FIG. 3 is a waist of FIG. It is a side view showing a chair for protection and posture correction, and (a) and (b) of FIG. 4 are exemplary views showing the shape of the cylinder of the cylinder of FIG. 1, and (a) and (b) of FIG. It is an operational example diagram showing a state in which the inclination of the seat portion of the waist protection and posture correction chair according to the first embodiment of the present invention is adjusted, and FIGS. 6A and 6B are in accordance with the first embodiment of the present invention. It is an operation example showing the state in which the first and second backrest adjustment cylinders are operated by the seat part of the waist protection and posture correction chair according to the following.

1 to 3, the waist protection and posture correction chair 1 according to the first embodiment of the present invention includes a base frame 10, a seat part 20, a backrest part 30, and a cylinder part 40. ) Can be included.

First, the base frame 10 may include a seat frame 11 and a back frame 12.

The seat frame 11 is a portion that allows the seat portion 20 to be installed on the upper side, and may include a support plate and a support plate connected to the lower surface of the support plate and supported on the ground.

The support, as shown in FIG. 1, may be formed of legs connected to each corner of the lower surface of the support plate, but this is only an embodiment of the present invention, so it is not limited thereto, and is rotatably connected to the center of the lower surface of the support plate. It can be configured in various shapes, such as a wheel formed at the bottom.

The backrest frame 12 is connected upwardly to the rear of the upper surface of the seat frame 11 so that the backrest part 30, the second backrest adjustment cylinder 43, and the like can be installed.

The backrest frame 12, as shown in FIG. 1, may be formed in the form of a single square plate, but is not limited thereto, and may be formed in various shapes.

The seat portion 20 is formed so that the user can sit, and is rotatably installed on the upper side of the seat frame 11 so that the inclination can be adjusted.

To this end, the seat portion 20 may be supported by a tilt adjustment cylinder 41 of the cylinder portion 40 is rotatably connected to the lower surface.

Accordingly, while being supported by the inclination adjustment cylinder 41, the seat portion 20 may be adjusted according to the movement of the user's body center, and may be fixed to maintain the adjusted inclination.

In this way, while the seat part 20 in which the user is seated is freely inclined in the direction in which the user's body center moves, it plays a role in which the spine should be bent in a motion in which the spine should be bent when the user is seated. By replacing the inclination of the seat portion 20, the user can sit while maintaining a relatively straightened state of the spine.

In addition, by moving the seat portion 20 may enable movement or stretching of the lower back, such as the lumbar spine.

The backrest part 30 is located on the front side of the backrest frame 12 to support the waist, but the second backrest adjustment cylinder 43 is rotatably connected and can be moved forward and backward.

At this time, the backrest part 30 is formed so that the front surface corresponds to the shape of the waist so that the waist can be more closely contacted and effectively supported.

In addition, the backrest part 30 is moved forward or backward by the second backrest adjustment cylinder 43 according to the user's posture (movement of the center of the body), and is always in close contact with the waist to be supported.

The cylinder part 40 is installed on the base frame 10 to adjust the inclination of the seat part 20 and move the backrest part 30.

To this end, the cylinder portion 40 may be composed of a plurality of cylinders, the piston of each cylinder may be formed in a spherical shape at the end. This will be described by taking the tilt adjustment cylinder 41 of the cylinder part 40 as an example.

As shown in (a) of FIG. 4, the end of the inclination adjustment cylinder 41 is formed in a spherical shape and is rotatably connected to the seat part 20, so that adjustment of the inclination can be facilitated.

In this way, the tilt adjustment cylinder 41 of the cylinder portion 40 may be replaced with an accordion tube as shown in FIG. 4B.

However, this is only an example and is not limited thereto, and may be applied to all configurations of cylinders such as the first backrest adjustment cylinder 42 and the second backrest adjustment cylinder 43.

Specifically, the cylinder unit 40 may include a tilt adjustment cylinder 41, a first backrest adjustment cylinder 42, and a second backrest adjustment cylinder 43.

The inclination adjustment cylinder 41 is formed in the center of the upper surface of the seat frame 11 and is formed symmetrically to both sides, so that three or more may be formed. It may be formed by being spaced at a certain interval in the front-rear direction.

In this way, although a plurality of inclination adjustment cylinders 41 may be formed, it is preferable that seven are provided in order to support the center of the seat portion 20 and to easily control the inclination direction. That is, one at the center of the upper surface, and seven inclination adjustment cylinders 41 formed symmetrically spaced apart from each other in the front-rear direction from both sides of the upper surface may be provided.

When seven are provided, when the two tilt control cylinders 41 formed in the middle of both sides are locked through the valve 410, the seat 20 cannot be tilted in the left and right directions, and the tilt can be adjusted only in the front and rear directions. It can be.

In addition, although it is said that the seat frame 11 is formed to be symmetrical on both sides of the upper surface, nine are arranged radially based on the inclination adjustment cylinder 41 formed in the center of the upper surface of the seat frame 11 so that the inclination direction of the seat part 20 is changed. It can be controlled more precisely.

That is, when 9 are provided, the inclination can be adjusted only in the front and rear direction by operating the same as in 6, while locking the two inclination adjustment cylinders 41 formed in the middle of the front and rear sides through the valve 410 This is because the seat portion 20 may be inclined only in the left and right directions.

In addition, the inclination adjustment cylinder 41 operates according to the movement of the seat 20 (the movement of the user's body center) so that the angle of the seat 20 can be adjusted, the piston of each inclination adjustment cylinder 41 It may be rotatably connected to the lower surface of the seat portion 20.

Accordingly, the inclination adjustment cylinder 41 may adjust the inclination of the seat portion 20 by each of the pistons being drawn in or withdrawn according to the movement of the center of the body of the user sitting on the seat portion 20.

The inclination of the seat portion 20 is adjusted by the tilt adjustment cylinder 41 will be described in detail with reference to FIG. 4 as an example.

Referring to Figure 5 (a), when the center of the user's body moves to the right, as the right side of the seat 20 goes down and the left is lifted, the inclination adjustment cylinder 41 on the right The piston is retracted and the piston of the left inclination adjustment cylinder 41 is withdrawn so that the seat 20 can be adjusted in an angle so that the seat 20 is inclined downward to the right.

In addition, referring to (b) of Figure 5, when the center of the user's body moves to the rear side, as the rear side of the seat 20 is lowered and the front side is lifted, the inclination adjustment cylinder 41 on the rear side ) Of the piston is retracted and the piston of the front inclination adjustment cylinder 41 is withdrawn so that the seat 20 can be tilted downward to the rear side, so that the angle can be adjusted.

Since the fluid is introduced into the inclination adjustment cylinder 41, the inclination of the seat part 20 can be adjusted as the center of the user's body moves while supporting the seat part 20 by overcoming the load of the user. There is.

In this case, the tilt control cylinder 41 may include a valve 410.

The valve 410 is connected to each inclination adjustment cylinder 41 and can be individually controlled, thereby fixing the inclination adjustment cylinder 41 through locking to control the direction of the inclination in which the seat 20 can be adjusted. I can.

That is, as described above, by selectively locking the inclination adjustment cylinder 41 through the valve 410, it is possible to limit the inclination direction in which the seat portion 20 can be inclined.

The inclination adjustment cylinder 41 may receive fluid from the fluid supply unit 70 through one hose line and adjust the amount of fluid. In this case, the valve 410 is the inclination adjustment cylinder 41 through the fluid supply unit 70. When the amount of fluid in) is adjusted, the user may individually lock according to the desired inclination of the seat 20 to fix the inclination of the seat 20.

That is, the valve 410 is inclined to be locked when the amount of fluid in the inclination adjustment cylinder 41 is adjusted through the fluid supply unit 70, and the piston of the inclination adjustment cylinder 41 is positioned at a desired height. By fixing the adjustment cylinder 41, the inclination of the seat portion 20 can be fixed.

In this way, the inclination adjustment cylinder 41 not only allows the user to manually adjust the inclination of the seat part 20, but also automatically adjusts the inclination of the seat part 20 according to the user's desire to be fixed. have.

One or more of the first backrest adjustment cylinder 42 is formed on the front side of the upper surface of the seat frame 11, and the piston may be connected to the lower surface of the seat 20. In this case, the seat frame 11 is preferably formed in the center of the front side of the upper surface, but is not limited thereto.

In addition, the first backrest adjustment cylinder 42 may be connected to the second backrest adjustment cylinder 43 so that the second backrest adjustment cylinder 43 operates when a fluid flow occurs.

As the center of the user's body moves, the first backrest adjustment cylinder 42 may cause a pressure change by the seat portion 20.

The piston is pulled in or pulled out according to the pressure change, so that a fluid flow occurs. That is, as the front side of the seat 20 is lowered or lifted, the piston may be drawn in or out, and a fluid may flow out or flow therein.

By this operation, the fluid is introduced or discharged into the second backrest adjustment cylinder 43 connected to the first backrest adjustment cylinder 42, so that the piston of the second backrest adjustment cylinder 43 may be withdrawn or drawn in.

Finally, the backrest part 30 can be moved forward or backward.

Specifically, when the front side of the seat portion 20 is lowered, the piston of the first backrest adjustment cylinder 42 is drawn in, and the fluid flows out to flow into the second backrest adjustment cylinder 43. Accordingly, the piston of the second backrest adjustment cylinder 43 is withdrawn so that the backrest part 30 can be moved forward (FIG. 6(a)).

Conversely, when the front side of the seat part 20 rises, the piston of the first backrest adjustment cylinder 42 is withdrawn, and the fluid flows out from the second backrest adjustment cylinder 43 so that the fluid can be introduced. Accordingly, the piston of the second backrest adjustment cylinder 43 is inserted so that the backrest part 30 may be moved rearward (FIG. 6(b)).

Accordingly, the backrest part 30 is moved according to the user's posture, so that the waist can be supported at all times.

In addition, the waist protection and posture correction chair 1 according to the first embodiment of the present invention may further include a fluid supply unit 70.

The fluid supply unit 70 may be connected to a hose line connected to the inclination control cylinder 40 to supply fluid. In addition, the fluid supply unit 70 may be accommodated by allowing the fluid to flow out from the hose line, so that the amount of fluid in the inclination adjustment cylinder 40 can be adjusted.

In this case, the fluid supply unit 70 may be directly controlled by a user to adjust the amount of fluid, or may be controlled through a control unit (not shown) to adjust the amount of fluid.

As such, the fluid supply unit 70 may supply the fluid to each inclination control cylinder 40 through one hose line, but is not limited thereto, and may be connected to each other to individually supply the fluid through a plurality of hose lines.

7 is a perspective view showing a state that the waist protection and posture correction chair according to the first embodiment of the present invention further includes a cushion fixing part, and FIG. 8 is a front view showing the waist protection and posture correction chair of FIG. 7 , Figure 9 (a) to (c) is an exemplary view showing a state in which the cushion fixing part of Figure 7 is operated.

7 to 9, the waist protection and posture correction chair 1 according to the first embodiment of the present invention may further include a cushion fixing part 60.

The cushion fixing part 60 is installed on both sides of the seat part 20 to hold the user's waist from both sides.

In the present invention, the inclination of the seat part 20 is freely adjusted according to the user's posture so that the user's spine is maintained in an extended state, so that the user can take various postures, but the waist is left and right through the cushion fixing unit 60. The user's posture can be further corrected by inducing the user to take an extended state in the direction as well.

To this end, the cushion fixing part 60 may include a cushion frame 61, a cushion adjusting part 62 and a cushion 63, and at this time, the seat part 20 may include a cushion guide 21. .

The cushion frame 61 is formed in a'C' shape and is located on both sides of the seat 20, and the lower end is connected to the cushion adjustment unit 62 so that it can be moved in the left and right directions.

At this time, the cushion frame 61 may be moved along the cushion guide 21 of the seat 20 when it is moved in the inner direction of the seat 20.

The cushion control unit 62 is installed to have a length in the left and right directions on both sides when the seat unit 20 is lowered, and an outer end may be connected to the lower end of the cushion frame 61, respectively. Accordingly, the cushion frame 61 may be moved in the left-right direction to move in the inner or outer direction of the seat part 20.

The cushions 63 are respectively formed inside the top of the cushion frame 61, and can hold the user's waist by inflation. At this time, as the cushion frame 61 is moved by the cushion control unit 62, the amount of force that the cushion 63 presses the waist can be adjusted.

In addition, the cushion 63 can be easily and selectively expanded or contracted by the user depending on whether or not it is used.

By holding the waist with such a cushioned cushion 63, it does not completely fix the user's waist, but allows the user to move to some extent, but induces the posture to be corrected by inducing it to take an extended state in the left and right directions. can do.

On the other hand, the cushion guide 21 of the seat portion 20 is formed to have a length in the left and right direction at both side ends of the seat portion 20, but may be formed so that the outer end is opened. Accordingly, when the cushion frame 61 is moved to the inside of the seat 20 by the cushion adjustment unit 62, the cushion 63 can be moved along the cushion guide 21 so that the cushion 63 is more closely attached to the waist of the user. It can be done and the amount of force being pressed can be adjusted.

10 is a perspective view showing a waist protection and posture correction chair according to a second embodiment of the present invention, and FIGS. 11A and 11B are waist protection and posture correction according to a second embodiment of the present invention. This is an exemplary operation diagram showing the state in which the third and fourth backrest adjustment cylinders are operated by the seat part of the chair.

Referring to Figure 10, the base frame 10 of the waist protection and posture correction chair 1 according to the second embodiment of the present invention further includes a backrest rotating portion 13, the cylinder portion 40 is a third A backrest adjustment cylinder 44 and a fourth backrest adjustment cylinder 45 may be further included.

Here, except for the backrest rotation part 13, the third backrest adjustment cylinder 44, and the fourth backrest adjustment cylinder 45, the waist protection and posture correction chair according to the second embodiment of the present invention is the present invention described above. It is substantially the same as the waist protection and posture correction chair according to the first embodiment of the.

Therefore, only the backrest rotation part 13, the third backrest adjustment cylinder 44, and the fourth backrest adjustment cylinder 45 will be described.

First, the base frame 10 may further include a backrest pivoting part 13 so that the backrest frame 12 can be rotated in the left and right directions.

The backrest rotation part 13 is connected between the seat frame 11 and the backrest frame 12, and may serve as an axis so that the backrest frame 12 can rotate in the left and right directions.

Then, the cylinder part 40 may further include a third backrest adjustment cylinder 44 and a fourth backrest adjustment cylinder 45.

At this time, the third backrest adjustment cylinder 44 and the fourth backrest adjustment cylinder 45 may be connected on the same principle as the first backrest adjustment cylinder 42 and the second backrest adjustment cylinder 43 are interlocked. .

The third backrest adjustment cylinder 44 is formed on both sides of the upper surface of the seat frame 11, and a piston may be connected to the lower surface of the seat 20.

In addition, the third backrest adjustment cylinder 44 may be connected to the fourth backrest adjustment cylinder 45 so that the fourth backrest adjustment cylinder 45 operates when a fluid flow occurs. However, the backrest frame 12 may be connected to the fourth backrest adjustment cylinder 45 positioned in the opposite direction with respect to the left and right directions so that the backrest frame 12 can be rotated in the same direction as the seat 20 inclined.

As the center of the user's body moves to the right or left, the third backrest adjustment cylinder 44 may cause a pressure change by the seat portion 20.

The piston is pulled in or pulled out according to the pressure change, so that a fluid flow occurs. That is, as the right or left side of the seat 20 is lowered, the pistons of the third backrest adjustment cylinder 44 are respectively drawn in or drawn out, and fluid can flow out or flow therethrough.

Accordingly, the fourth backrest adjustment cylinder 45 connected to the third backrest adjustment cylinder 44 may have the pistons pulled out or retracted, respectively, as opposed to the third backrest adjustment cylinder 44 to which the third backrest adjustment cylinder 44 is connected, and the backrest frame 12 It can be rotated to the right or left and tilted to fit the user's body.

Specifically, when the left side of the seat 20 goes down, the piston of the third backrest adjustment cylinder 44 located on the left is drawn in, and the fluid flows out to this, and the fourth backrest adjustment cylinder 45 located on the right side. Will flow into. Accordingly, the piston of the fourth backrest adjustment cylinder 45 is withdrawn so that the backrest frame 12 can be rotated to the left and inclined downwardly to the left. At this time, the piston of the third backrest adjustment cylinder 44 located on the right side is withdrawn, and the piston of the fourth backrest adjustment cylinder () located on the left side is retracted (FIG. 11(a)).

In addition, when the right side of the seat part 20 goes down, the piston of the third backrest adjustment cylinder 44 located on the right side is drawn in, and the fluid flows out and flows into the fourth backrest adjustment cylinder 45 located on the left side. do. Accordingly, the piston of the fourth backrest adjustment cylinder 45 is withdrawn so that the backrest frame 12 is rotated to the right, so that the backrest frame 12 may be inclined downwardly inclined in the right direction. At this time, the piston of the third backrest adjustment cylinder 44 located on the left side is withdrawn, and the piston of the fourth backrest adjustment cylinder 45 located on the right side is pulled in (FIG. 11(b)).

With such a configuration, the backrest part 30 is inclined to match the user's inclined waist to support the waist, so that the S-shaped curve inherent in the spine can be more effectively maintained.

As described above, the waist protection and posture correction chair according to the embodiment of the present invention applies the seat portion of the chair with free front and rear tilt angle adjustment, so that when sitting on the chair and moving, the pressure and deformation applied to the spine are applied to the chair instead of the joint of the spine. It is possible to protect the spine by minimizing the pressure and strain applied to the spine by receiving it from the seat of the spine.

Accordingly, even when sitting in a chair for a long time, it is possible to prevent the root of low back pain by naturally straightening the spine without putting a burden on the back.

In addition, the inclination of the seat portion is adjusted as the center of the body of the user seated in the chair moves, so that the user can easily exercise the lumbar spine.

In addition, in the case of scoliosis patients, the inclination of the pelvis can be arbitrarily adjusted by adjusting the inclination of the seat, thereby creating a condition in which only the side of the thoracic or lumbar vertebrae is stretched, so that the correction of the scoliosis can be naturally induced.

In addition, as the backrest moves back and forth according to the movement in the inclined direction of the seat part according to the user's center of gravity, the backrest can always support the waist, protecting the waist.Especially, those with back pain can freely depend on the backrest. I can move.

In the above, the waist protection and posture correction chair according to the embodiment of the present invention has been described by dividing it into the first and second embodiments, but this has been described separately for convenience and understanding of the description. It is not limited, and the configuration of the embodiment may be applied to each other by design change.

Meanwhile, although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements by those skilled in the art using the basic concept of the present invention defined in the following claims are also present. It is within the scope of the invention.

1: back protection and posture correction chair
10: base frame
11: Seat frame
12: back frame
13: Backrest revolving part
20: seat
21: cushion guide
30: backrest
40: cylinder part
41: inclination adjustment cylinder
410: valve
42: first backrest adjustment cylinder
43: second backrest adjustment cylinder
44: third backrest adjustment cylinder
45: fourth backrest adjustment cylinder
60: cushion fixing unit
61: cushion frame
62: cushion control unit
63: cushion
70: fluid supply

Claims (10)

A base frame including a seat frame and a back frame;
Doedoe formed so that the user can sit, the seat portion is rotatably installed on the upper side of the seat frame and the inclination is adjusted;
A backrest part positioned on the front side of the backrest frame to support the waist, and
Waist protection and posture correction chair including a cylinder part installed on the base frame to adjust the inclination of the seat part and move the backrest part.
The method of claim 1,
The cylinder part,
Waist protection and posture correction chair comprising three or more tilt adjustment cylinders formed in the center of the upper surface of the seat frame and symmetrically formed on both sides, and the piston is connected to the lower surface of the seat part.
The method of claim 2,
The seat part,
A waist protection and posture correction chair, characterized in that the inclination is adjusted by each of the pistons of the inclination adjustment cylinder being inserted or withdrawn according to the movement of the body center of the seated user.
The method of claim 2,
The tilt control cylinder,
Waist protection and posture correction chair comprising a valve that can be individually controlled to control the direction of inclination in which the seat unit can be adjusted.
The method of claim 4,
Further comprising a fluid supply unit for adjusting the amount of fluid in the inclination adjustment cylinder and allowing the inclination of the seat portion to be adjusted through the valve,
The tilt control cylinder,
As the fluid is supplied from the fluid supply unit, each of the valves is controlled to adjust the inclination of the seat unit.
The method of claim 2,
The cylinder part,
One or more first backrest adjustment cylinders formed on the front side of the upper surface of the seat frame, and the piston is connected to the lower surface of the seat portion, and
Further comprising a second backrest adjustment cylinder formed on the front of the backrest frame and connected to the rear of the backrest portion, and connected to the first backrest adjustment cylinder,
Waist protection and posture correction, characterized in that a fluid flow occurs in the first backrest adjustment cylinder according to a pressure change generated by the seat part, and the backrest part moves forward or backward through the second backrest adjustment cylinder. chair.
The method of claim 1,
A waist protection and posture correction chair that is rotatably connected to the front end of the seat, and further comprises a leg support that supports the user's leg and allows the knee to form a predetermined angle.
The method of claim 1,
Waist protection and posture correction chair further comprising a cushion fixing portion installed on both sides of the seat portion and capable of holding the user's waist from both sides.
The method of claim 8,
The cushion fixing part,
Cushion frames located on both sides of the seat portion;
A cushion control unit that is installed on the lower surface of the seat and is connected to each of the cushion frames to move the cushion frames to the left and right, and
Waist protection and posture correction chairs each formed on the inner side of the upper portion of the cushion frame and comprising a cushion capable of holding the user's waist by expansion.
The method of claim 2,
The base frame,
It is connected between the seat frame and the back frame, further comprising a backrest pivoting portion to enable the backrest frame to rotate in the left and right direction,
The cylinder part,
A third backrest adjustment cylinder formed on both sides of the upper surface of the seat frame, and the piston is connected to the lower surface of the seat portion, and
Further comprising a fourth backrest adjustment cylinder formed on both sides of the upper surface of the seat frame and connected to the third backrest adjustment cylinder, each of which pistons are connected to the lower end of the backrest frame, and which are located in opposite directions with respect to the left and right directions, and ,
The piston of the fourth backrest control cylinder, which is connected to the third backrest control cylinder by generating a flow of fluid according to the pressure change generated by the seat, is pulled out or retracted, respectively, so that the backrest frame rotates to the left or right. Waist protection and posture correction chair, characterized in that to.

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