KR20230096188A - A chair that corrects the curvature of the lumbar spine and the horizontal position of the pelvis - Google Patents

Abstract

An embodiment of the present invention provides a posture correcting chair that is effective in correcting and maintaining a normal lumbar curvature of a seated person and a left and right balance of a pelvis on a horizontal plane. A chair for correcting lumbar curvature and horizontal position of the pelvis according to an embodiment of the present invention includes a chair body including a seat plate supporting the lower body of a seated person and a backrest supporting the back of the seated person coupled with the seat plate; at least one seat cushion portion formed on or below the seat body, performing a cushion function, and having a variable volume; and a back cushion portion formed on the back plate body, performing a cushion function, and having a variable volume.

Description

Chair for lumbar curvature and pelvic horizontal position correction {A CHAIR THAT CORRECTS THE CURVATURE OF THE LUMBAR SPINE AND THE HORIZONTAL POSITION OF THE PELVIS}

The present invention relates to a chair for correcting lumbar curvature and horizontal position of the pelvis, and more particularly, to a posture correcting chair effective in correcting and maintaining the normal lumbar curvature of a seated person and the left-right balance of the pelvis on a horizontal plane.

In accordance with the social environment in which people spend a lot of time sitting on chairs, chairs are useful tools that are essential for resting, working, and studying. It consists of

However, in the case of a general chair, the seat and back of the chair, which do not consider the mechanical aspect of the body, cause various postural problems, and from this point of view, it causes discomfort and furthermore pain.

For the purpose of correcting the posture of the seated person, Korean Patent Registration No. 10-1750887 (title of invention: chair for back support that can be deformed according to posture change), the front edge of the seat plate is formed to be rounded in the downward direction In addition, the seat plate was configured to become thinner from the front side to the rear side. However, although the posture correcting device according to the registered patent can make the buttocks and thighs comfortable, it cannot create a force that can convert the force of the buttocks and thighs into a force that catches the curvature of the lumbar spine. There is a deficiency in the purpose of 'correction'.

In addition, for the purpose of more strongly correcting the curvature of the lumbar spine, Korean Patent Registration No. 10-1598473 (title of invention: a chair that can be expected to induce correct posture and comfort when sitting) has a curved shape forward of the seat board. It was designed in such a way that when sitting on a chair, the front lifting part goes down with the weight of the seated person, and at the same time, the backrest is tilted forward to expect the effect of pushing the waist. However, since the degree of curvature required varies depending on the user, it is difficult for everyone who uses the effect to obtain.

Republic of Korea Patent Registration No. 10-1750887 Republic of Korea Patent No. 10-1598473

An object of the present invention to solve the above problems is to provide an orthodontic chair that balances left and right balance in a horizontal plane and lumbar curvature by supporting the body of a seated person when sitting directly on a general chair, sofa, car seat, or floor. is to provide

The technical problem to be achieved by the present invention is not limited to the above-mentioned technical problem, and other technical problems not mentioned can be clearly understood by those skilled in the art from the description below. There will be.

The configuration of the present invention for achieving the above object is a chair body having a seat plate supporting the lower body of a seated person and a backrest body coupled with the seat and supporting the seated person's back; at least one seat cushion part formed on the seat plate body, performing a cushion function, and having a variable volume; and a backrest cushion formed on the backrest body, performing a cushion function, and having a variable volume, wherein the seat cushion volume or the volume of the backrest cushion section is varied so that the curvature of the seated person's lumbar spine or the horizontal position of the pelvis is adjusted. to be

In an embodiment of the present invention, the control unit may further include a dial formed on the backrest body and having a dial that raises the backrest cushion when rotated in one direction and lowers the backrest cushion when rotated in another direction.

In an embodiment of the present invention, the seat body may have a seat cushion seating groove, which is a groove in which the seat cushion portion is seated, in a concave shape.

In an embodiment of the present invention, the seat cushion portion may be disposed on both sides of the seat seat body.

In an embodiment of the present invention, the seat cushion part may include a seat cushion valve that opens and closes an air inflow and outflow path with respect to the inner space of the seat cushion part.

In an embodiment of the present invention, the back cushion part may include a back cushion valve, which is a valve that opens and closes an air inflow and outflow path with respect to the inner space of the back cushion part.

In an embodiment of the present invention, a leveler for measuring the level of the chair body may be further included.

In an embodiment of the present invention, the leveling system may be formed by being drawn into the climbing body.

The effect of the present invention according to the configuration as described above was devised to maximize the disadvantages and effects of the conventional posture correcting chair as described above, and the lumbar curvature of the seated person can be adjusted and corrected according to the user's condition, In addition, it is possible to provide left and right balance in the horizontal plane.

The effects of the present invention are not limited to the above effects, and should be understood to include all effects that can be inferred from the detailed description of the present invention or the configuration of the invention described in the claims.

1 is a front view of an orthodontic chair according to an embodiment of the present invention.
2 and 3 are side views of the orthodontic chair according to an embodiment of the present invention.
4 is a front view of a correction chair according to another embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the accompanying drawings. However, the present invention can be implemented in many different forms, and therefore is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification, when a part is said to be "connected (connected, contacted, combined)" with another part, this is not only "directly connected", but also "indirectly connected" with another member in between. "Including cases where In addition, when a part "includes" a certain component, it means that it may further include other components without excluding other components unless otherwise stated.

Terms used in this specification are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, terms such as "include" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded.

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

1 is a front view of a orthodontic chair according to an embodiment of the present invention, and FIGS. 2 and 3 are side views of the orthodontic chair according to an embodiment of the present invention. 2 shows a state in which the seat cushion parts 111 and 112 or the back cushion part 120 are not adjusted, and FIG. 3 shows the seat cushion parts 111 and 112 or the back cushion part 120 in which the adjustment is performed. It's about status.

As shown in FIGS. 1 to 3, the orthodontic chair of the present invention is combined with the seat 210 and the seat 210 supporting the lower body of the seated person 10, and the back of the seated person 10 A chair body 200 having a back plate 220 supporting the; At least one seat cushion part 111 and 112 formed on or below the seat plate body 210, performing a cushion function, and having a variable volume; and a back cushion part 120 formed on the back plate body 220, performing a cushion function, and having a variable volume.

The seat body 210 and the back board 220 may have a plate-like shape, and a connection portion between the seat body 210 and the back board 220 has a curved shape and has elasticity, so that the seated person 10 ) leans its back against the back plate 220, the back plate 220 can support the back of the seated person 10 while elastically applying pressure to the back of the seated person 10.

The length of the seat body 210 may be long enough so that the front end of the seat body 210 can be positioned forward more than half the thigh length of the seated person 10, and the length of the seat body 210 is formed as described above so that the lower body of the seated person 10 has sufficient force to press the seat plate 210, so that the back plate 220 has sufficient force to push the back plate 220 forward, so that the back of the seated person 10 has a suitable curve. can form.

A basic cushion formed of a material having elasticity such as urethane on the surfaces of the seat 210 and the back plate 220 and having a predetermined thickness along the surface shape of the seat 210 and the back plate 220 (230) may be formed.

By forming the basic cushion 230 in addition to the seat cushion portions 111 and 112 and the back cushion portion 120 as described above, when the seated occupant 10 is supported by the seat body 210 and the back member 220, the seat seat A cushion function may be provided to the seated occupant 10 in a region other than the region where the cushion parts 111 and 112 and the backrest cushion part 120 are formed.

The seat cushion portions 111 and 112 may be disposed on both sides of the seat body 210 . A plurality of seat cushion parts 111 and 112 may be formed, and the seat cushion parts 111 and 112 may be disposed while forming a certain distance from the center point of the seat body 210 so that the pressure of the seated person 10 is uniformly distributed. can

Also, as shown in FIG. 1 , when two seats 210 are formed, one seat may be disposed on both sides of the seat 210 . For convenience of description, a case in which two seat plates 210 are formed will be described below.

In addition, the seat cushion parts 111 and 112 may be formed on the upper part of the seat body 210 so that the seat cushion parts 111 and 112 directly touch the thighs of the seated person 10, or the seat cushion parts 111 and 112 Is formed on the lower part of the seat plate body so that the seat cushion parts 111 and 112 contact the floor.

The seat body 210 may have a seat cushion seating groove, which is a groove in which the seat cushion portions 111 and 112 are seated in a concave shape. As described above, since the seat cushion portions 111 and 112 may be formed on the upper or lower portion of the seat body 210, the seat cushion seating groove may also be formed on the upper or lower portion of the seat body 210.

A seat cushion seating groove may be formed at a position on the seat body 210 corresponding to the position of the seat body 210, and the seat cushion portions 111 and 112 are coupled to the seat cushion seating groove to seat the seat cushion by the seat cushion seating groove. The cushion portion may be stably supported.

Accordingly, even if the seated person 10 performs various movements after sitting on the seat body 210, the seat cushion portions 111 and 112 are stably supported by the seat cushion seating groove, and thus, the seat cushion parts 111 and 112 are stably supported to prevent the lower body of the seated person 10 from being affected. Support of the seat body 210 can be performed stably.

The backing plate body 220 may have a backing cushion seating groove, which is a groove in which the backing cushion portion 120 is seated in a concave shape. A back cushion seating groove may be formed at a portion of the backrest body 220 that directly supports the back of the seated occupant 10, and the back cushion portion 120 is coupled to the back cushion seating groove to provide a back cushion seating groove. The back cushion part 120 may be stably supported.

Accordingly, even if the seated person 10 performs various movements while leaning his or her back on the backrest member 220, the backrest cushion portion 120 is stably supported by the backrest cushion seating groove, thereby preventing the back of the seated person 10. Support of the back plate 220 may be stably performed.

In the orthodontic chair of the present invention, the lumbar curvature or the horizontal position of the pelvis of the seated person 10 can be adjusted by varying the volume of the seat cushion portions 111 and 112 or the volume of the back cushion portion 120.

Here, when the seat cushion parts 111 and 112 are formed on the upper part of the seat body 210, the seat cushion parts 111 and 112 may have a three-dimensional shape with a curved surface to suit the shape of the lower body of the seated person 10, , In the case where the seat cushion portions 111 and 112 are formed on the lower portion of the seat body 210, the seat cushion portions 111 and 112 may be formed in a shape in which the lower portion is easily adhered to the floor.

The seat cushion parts 111 and 112 have an inner space and may be formed of a material such as rubber or synthetic resin having elasticity. In addition, the back cushion 120 may have a three-dimensional shape with a curved surface to suit the back shape of the seated person 10, have an internal space, and be formed of a material such as rubber or synthetic resin having elasticity. there is.

The seat cushion parts 111 and 112 may include a seat cushion valve that opens and closes an air inflow and outflow path with respect to the inner space of the seat cushion parts 111 and 112 . The seated occupant 10 connects a manual pump or an electric pump to the seat cushion valve, opens the seat cushion valve, and then operates the pump to supply air to the inside of the seat cushion parts 111 and 112 .

Alternatively, the seated occupant 10 can discharge the air inside the seat cushion parts 111 and 112 to the outside by opening the seat cushion valve without connecting a pump. Accordingly, the volume of the left cushion portion may be selectively varied.

The back cushion unit 120 may include a back cushion valve that is a valve that opens and closes an air inflow and outflow path with respect to the inner space of the back cushion unit 120 . The seated occupant 10 may connect a manual pump or an electric pump to the back cushion valve, open the back cushion valve, and operate the pump to supply air to the inside of the back cushion part 120 .

Alternatively, the seated occupant 10 may discharge the air inside the back cushion part 120 to the outside by opening the back cushion valve without connecting the pump. Accordingly, the volume of the back cushion portion may be selectively varied.

By varying the volume of the seat cushion parts 111 and 112 formed as described above, the width at which the inclination of the longitudinal axis of the thigh is tilted upward by the seat cushion parts 111 and 112 is varied, or the inclination of the seat body 210 is The width of the upward inclination can be varied.

In this case, when the seated person 10 is seated on the seat 210 , the force pushing the seat 210 downward can be varied with the weight of the thigh of the seated person 10 .

Specifically, when the volume of the seat cushion portions 111 and 112 increases, the force that pushes the seat 210 downward with the weight of the thigh of the seated person 10 can be increased. ) can increase the force pushing the back of the seated person 10.

In addition, when the volume of the seat cushion portions 111 and 112 decreases, the force that pushes the seat 210 downward with the weight of the thigh of the seated person 10 can be reduced. It is possible to reduce the force pushing the back of the seated person 10 .

Accordingly, the lumbar curvature of the seated person 10 can be corrected by adjusting the force of the back plate 220 pushing the back of the seated person 10 according to the volume control of the seat cushion portions 111 and 112 . In addition, as described above, the backrest cushion portion 120 also has a variable volume, and the volume of the backrest cushion portion 120 is increased to increase the force provided by the backrest body 220 to the back of the seated person 10, or By reducing the volume of the cushion portion 120 , the force applied to the back of the seated person 10 by the backrest 220 is reduced, thereby correcting the lumbar curvature of the seated person 10 .

As described above, as shown in FIGS. 1 to 4 , the seat cushion portions 111 and 112 may be formed on both front sides of the seat plate body 210, and when the pelvis of the seated person 10 is in a normal position, The seat cushion parts 111 and 112 on both sides, that is, the seat cushion parts 111 on the left side and the seat cushion parts 112 on the right side, have the same volume, so that the seat cushion parts 111 and 112 on both sides are the seated person 10 ) It is possible to support the lower body of the seated person 10 while preventing it from inclining in one direction.

In addition, when the pelvis position of the seated occupant 10 is distorted, the left seat cushion part 111 and the right seat cushion part 112 have different volumes so that the seat cushion parts 111 and 112 on both sides are (10) can support the lower body of the seated person (10) while preventing inclination in one direction.

Specifically, the volume of the seat cushion portion 111 on the left side is increased when the seated occupant 10 tilts to the left, and the volume of the seat cushion portion 112 on the right side is increased when the seat occupant 10 is tilted to the right side, The horizontal position of the pelvis of the seated person 10 may be corrected by adjusting the posture balance of the seated person 10 .

4 is a front view of a correction chair according to another embodiment of the present invention.

The orthodontic chair of the present invention may further include a level 300 for measuring the level of the chair body 200 . As shown in FIG. 4 , the leveling system 300 may be formed by being drawn into the climbing plate 220 . When the leveling system 300 is formed by retracting the climbing body 220, the leveling system 300 is fixedly coupled and integrated with the chair body 200, thereby preventing loss or damage.

However, the position of the leveler 300 is not limited as described above, and may be installed anywhere in a position where it is easy to check. That is, the leveler 300 may be combined with the seat board body 210, and when the leveler 300 is coupled to the climbing board body 220, it is easy for someone other than the seated person 10 to check the leveler 300. And, when the leveler 300 is coupled to the seat body 210, the seated person 10 can easily check the leveler 300.

As described above, when the seated person 10 is tilted in one direction after sitting on the seat board body 210, the chair body 200 is also tilted in the corresponding direction, and accordingly, the leveler 300 is also tilted and the leveler 300 Water droplets, which is the standard of

In this case, by checking the level 300, the seated occupant 10 can determine whether or not his/her posture is in a balanced state, and the seat cushion part 111 on the left side or the seat cushion part 112 on the right side The volume can be adjusted, and by adjusting the seat cushion parts 111 and 112 on both sides, it can be confirmed that the water droplets of the leveler 300 are located in the center, and that the chair body 200 is also located in an erect state. Accordingly, it can be confirmed that the posture of the seated person 10 is also balanced.

At the same time as the leveler 300 or instead of the leveler 300 as described above, the orthodontic chair of the present invention is a position sensor that is a sensor coupled to the chair body 200 and measures the inclination of the chair body 200. may further include.

The position sensor measures the inclination of the chair body 200 in real time, and the measured information can be transmitted to the electronic device of the seated person 10 . Here, the electronic device may be a smart phone, a tablet PC, or the like.

The seated person 10 can check the inclination of the chair body 200 in real time using an electronic device, and according to the inclination of the chair body 200, the seat cushion part 111 on the left or the seat cushion on the right By adjusting the inclination of the chair body 200 to normal by adjusting the volume of the portion 112, the posture balance of the seated person 10 himself can be adjusted.

As described above, in the case of using the orthodontic chair of the present invention, the seated person 10 can create a normal curvature of the lumbar spine by supporting the back and waist more effectively than the existing posture correction chair, Correction can be easily performed by adjusting the force required to make the lumbar curvature according to the air pressure of the seat cushion parts 111 and 112 or the back cushion part 120.

Accordingly, it can be used to prevent discomfort and pain caused by left-right imbalance of the posture of the seated person 10 .

The orthodontic chair of the present invention is formed on the backrest body 220 and is coupled to the backrest cushion portion 120, and when rotated in one direction, the back cushion portion 120 is raised, and when rotated in the other direction, the backrest cushion portion 120 ) It may further include a control unit having a dial 400 to lower. Here, the dial 400 may have a shape of a rotation knob.

The control unit may have a rack & pinion gear structure, and a rack of the control unit may be coupled with the climbing cushion 120 and a pinion may be coupled with the dial 400 . That is, the control unit may pass through the backrest body 200 and be coupled to the backrest cushion unit 120 .

In addition, the rack may move up and down by being coupled with a guide rail formed in the penetrating portion of the back plate 200, and may be in a state of being coupled with a pinion. Accordingly, when the dial 400 is rotated in one direction, the pinion rotates and the rack is raised to raise the backrest cushion 120, and when the dial 400 is rotated in the other direction, the pinion rotates and the rack is lowered to raise the backrest cushion 120. The cushion unit 120 may be lowered.

With the configuration as described above, the vertical position of the back cushion part 120 can be varied, and accordingly, the position of the back cushion part 120 can be adjusted according to the body shape of the seated person 10, so that the seated person ( 10) can increase the efficiency of posture correction.

The above description of the present invention is for illustrative purposes, and those skilled in the art can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, the embodiments described above should be understood as illustrative in all respects and not limiting. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims, and all changes or modifications derived from the meaning and scope of the claims and equivalent concepts should be interpreted as being included in the scope of the present invention.

10: seated person
111: seat cushion part on the left
112: left side cushion part on the right
120: back cushion part
200: chair body
210: left plate body
220: back plate
230: basic cushion
300: level
400: dial

Claims (8)

a chair body including a seat plate supporting the lower body of a seated person and a back plate body coupled with the seat plate and supporting the seated person's back;
at least one seat cushion part formed on or below the seat plate body, performing a cushion function, and having a variable volume; and
A back cushion portion formed on the back plate body, performing a cushion function, and having a variable volume;
A chair for correcting lumbar curvature and horizontal position of the pelvis, characterized in that the volume of the seat cushion part or the volume of the back cushion part is varied so that the seated person's lumbar curvature or horizontal pelvis position is adjusted.
The method of claim 1,
Lumbar vertebrae, characterized in that it further comprises a control unit formed on the backrest body, coupled to the backrest cushion portion, and having a dial that raises the backrest cushion portion when rotated in one direction and lowers the backrest cushion portion when rotated in another direction. Chair for correction of curvature and horizontal pelvic position.
The method of claim 1,
The chair for correcting lumbar curvature and horizontal position of the pelvis, characterized in that the seat body has a seat cushion seating groove, which is a groove in which the seat cushion portion is seated, in a concave shape.
The method of claim 1,
The chair for lumbar curvature and pelvic horizontal position correction, characterized in that the seat cushion portion is disposed on both sides of the seat plate body.
The method of claim 1,
The chair for correcting lumbar curvature and horizontal position of the pelvis, characterized in that the seat cushion part includes a seat cushion valve which is a valve that opens and closes an air inflow and outflow path with respect to the inner space of the seat cushion part.
The method of claim 1,
The chair for correcting lumbar curvature and horizontal position of the pelvis, characterized in that the back cushion part includes a back cushion valve, which is a valve that opens and closes an air inflow and outflow path with respect to the inner space of the back cushion part.
The method of claim 1,
A chair for correcting lumbar curvature and horizontal position of the pelvis, further comprising a leveler for measuring the horizontality of the chair body.
The method of claim 7,
The chair for correcting the lumbar curvature and the horizontal position of the pelvis, characterized in that the horizontal system is formed by being retracted into the back plate body.

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