KR102606537B1 - A chair that corrects the curvature of the lumbar spine and the horizontal position of the pelvis - Google Patents

Abstract

One embodiment of the present invention provides a posture correction chair that is effective in correcting and maintaining the normal lumbar curve of a seated person and the left and right balance of the pelvis in a horizontal plane. A chair for correcting lumbar curvature and pelvic horizontal position according to an embodiment of the present invention includes a chair body including a seat body that supports the lower body of the seated person and a back plate body that is coupled to the seat body and supports the back of the seated person; At least one seat cushion part is formed on the upper or lower part of the seat body, performs a cushion function, and has a variable volume; and a back cushion part that is formed on the back board, performs a cushion function, and has a variable volume.

Description

Chair for correcting lumbar curve and horizontal pelvic position {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 curve and horizontal pelvic position, and more specifically, to a posture correction chair that is effective in correcting and maintaining the normal lumbar curvature of a seated person and the left and right balance of the pelvis in a horizontal plane.

In a social environment where people spend a lot of time sitting on a chair, a chair is a useful tool that is essential for resting, working, or studying. It usually consists of a seat that supports the lower body and thighs of the seated person, and a backrest that supports the waist and back. It consists of

However, in the case of general chairs, the seat and back of the chair do not take into account the body's mechanics, which can be a factor in causing various postural problems, which can cause discomfort and even pain.

For the purpose of correcting the posture of the seated person, in Republic of Korea Patent No. 10-1750887 (title of the invention: Chair for lumbar support that can be modified according to changes in posture), the front edge of the seat is rounded downward. In addition, the seat plate was configured to become thinner from the front side to the rear side. However, although the posture correction device according to the above registered patent can make the buttocks and thighs comfortable, it cannot create the force that can convert the force of the buttocks and thighs into a force that holds the curve of the lumbar spine, and thus, 'posture' There is something lacking in the purpose of ‘correction’.

In addition, for the purpose of more strongly correcting the curvature of the lumbar spine, Republic of Korea Patent No. 10-1598473 (title of the invention: Chair that can be expected to induce correct posture and provide comfort when sitting) has a shape curved toward the front of the seat plate. When sitting on the chair, the front lifting part moves down due to the seated person's load, and at the same time, the backrest is tilted forward to expect the effect of pushing the waist. However, because the degree of curvature required varies depending on the user, it is difficult for everyone who uses the effect to achieve it.

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

The purpose of the present invention to solve the above problems is to provide a corrective chair that supports the body of the seated person when sitting directly on a general chair, sofa, car seat, or floor, thereby maintaining the lumbar curve and left and right balance in the horizontal plane. It is provided.

The technical problem to be achieved by the present invention is not limited to the technical problem mentioned above, 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 includes: a chair body including a seat body supporting the lower body of a seated person and a back body coupled to the seat body and supporting the seated person's back; At least one seat cushion part is formed on the seat body, performs a cushion function, and has a variable volume; and a back cushion part formed on the back board body, performing a cushion function, and having a variable volume, wherein the volume of the seat cushion part or the volume of the back board cushion part is varied to adjust the lumbar curve or the horizontal position of the pelvis of the seated person. Do it as

In an embodiment of the present invention, the control unit is formed on the backboard body and includes a dial that raises the backboard cushion when rotated in one direction and lowers the backboard cushion when rotated in another direction.

In an embodiment of the present invention, the seat plate body may be provided with a seat cushion seating groove, which is a groove in which the seat cushion portion is seated, and has a concave shape.

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

In an embodiment of the present invention, the seat cushion unit may be provided with a seat cushion valve, which is a valve that opens and closes the inflow and outflow path of air into the internal space of the seat cushion unit.

In an embodiment of the present invention, the backrest cushion unit may be provided with a backrest cushion valve, which is a valve that opens and closes the inflow and outflow path of air into the inner space of the backrest cushion unit.

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

In an embodiment of the present invention, the level may be formed by being inserted into the back plate.

The effect of the present invention according to the above configuration was created to maximize the disadvantages and effects of the conventional posture correction 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 can provide left and right balance in the horizontal plane.

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

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

Hereinafter, the present invention will be described with reference to the attached drawings. However, the present invention may be implemented in various different forms and, therefore, is not limited to the embodiments described herein. In order to clearly explain the present invention in the drawings, parts that are not related to the description are omitted, and similar parts are given similar reference numerals throughout the specification.

Throughout the specification, when a part is said to be "connected (connected, contacted, combined)" with another part, this means not only "directly connected" but also "indirectly connected" with another member in between. "Includes cases where it is. Additionally, when a part is said to “include” a certain component, this does not mean that other components are excluded, but that other components can be added, unless specifically stated to the contrary.

The terms used in this specification are merely 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 “comprise” or “have” are intended to indicate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof.

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

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

As shown in Figures 1 to 3, the orthodontic chair of the present invention includes a seat body 210 that supports the lower body of the seated person 10, and is coupled to the seat body 210 and supports 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, 112) formed on the upper or lower part of the seat body (210), performs a cushion function, and has a variable volume; and a back cushion portion 120 that is formed on the back plate body 220, performs a cushion function, and has a variable volume.

The seat body 210 and the back plate body 220 may have a plate-shaped shape, and the connection portion of the seat body 210 and the back plate body 220 has a curved shape and elasticity, so that the seated person 10 ) When a person leans his back against the backrest 220, the backboard 220 may 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 sufficiently long so that the front end of the seat body 210 can be positioned further forward by more than half the thigh length of the seated person 10, and the length of the seat body 210 Should be formed as above, the lower body of the seated person 10 has enough force to press the seat body 210, so that the force pushing the back plate 220 forward is sufficient to create a curve suitable for the back of the seated person 10. It can be formed.

On the surfaces of the seat body 210 and the back plate 220, a basic cushion is formed of an elastic material such as urethane and is formed to a predetermined thickness according to the surface shape of the seat body 210 and the back plate 220. (230) can be formed.

As the basic cushion 230 is formed in addition to the seat cushion parts 111 and 112 and the back cushion part 120 as described above, when the seated person 10 is supported by the seat board body 210 and the back board body 220, the seat plate A cushion function can be provided to the seated person 10 in areas other than the areas where the cushion units 111 and 112 and the back cushion unit 120 are formed.

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

And, as shown in FIG. 1, when the seat plate body 210 is formed in two pieces, one seat plate body 210 may be disposed on each side. For convenience of explanation, the following will describe a case in which two seat plates 210 are formed.

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 contact the thighs of the seated person 10, or the seat cushion parts 111 and 112 may be formed in the lower part of the seat plate body so that the seat cushion portions 111 and 112 touch the floor.

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

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

Accordingly, even if the seated person 10 performs various movements after sitting on the seat body 210, the seat cushion parts 111 and 112 are stably supported by the seat cushion seating groove, thereby providing protection against the lower body of the seated person 10. Support of the seat plate body 210 can be performed stably.

The back plate body 220 may be provided with a back cushion seating groove, which is a groove in which the back cushion portion 120 is seated in a curved shape. A back cushion seating groove may be formed in a portion of the backrest body 220 that directly supports the back of the seated person 10, and the back cushion portion 120 is coupled to the back cushion seating groove and The back cushion portion 120 can be stably supported.

Accordingly, even when the seated person 10 leans his back against the backrest body 220 and performs various movements, the backrest cushion part 120 is stably supported by the backrest cushion seating groove, thereby protecting the back of the seated person 10. Support of the climbing body 220 can be performed stably.

In the orthodontic chair of the present invention, the volume of the seat cushion parts 111 and 112 or the volume of the back cushion part 120 can be changed to adjust the lumbar curve or the horizontal position of the pelvis of the seated person 10.

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. , when the seat cushion portions 111 and 112 are formed in the lower portion of the seat plate body 210, the lower portion of the seat cushion portions 111 and 112 may be formed in a shape that facilitates close contact with the floor.

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

The seat cushion parts 111 and 112 may be provided with a seat cushion valve, which is a valve that opens and closes the inflow and outflow path of air into the internal space of the seat cushion parts 111 and 112. The seated person 10 can connect a manual pump or electric pump to the seat cushion valve, open the seat cushion valve, and then operate the pump to supply air into the interior of the seat cushion parts 111 and 112.

Alternatively, the seated person 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 part can be selectively varied.

The backrest cushion unit 120 may be provided with a backrest cushion valve, which is a valve that opens and closes the inflow and outflow path of air into the internal space of the backboard cushion unit 120. The seated person 10 may connect a manual pump or an electric pump to the backrest cushion valve, open the backrest cushion valve, and then operate the pump to supply air into the backrest cushion unit 120.

Alternatively, the seated person 10 can discharge the air inside the backrest cushion 120 to the outside by opening the backrest cushion valve without connecting a pump. Accordingly, the volume of the equal wave cushion part can be selectively varied.

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

In this case, when the seated person 10 sits on the seat plate 210, the force pushing the seat plate 210 downward can be varied using the body weight of the thighs of the seated person 10.

Specifically, when the volume of the seat cushion portions 111 and 112 increases, the force pushing the seat body 210 downward can be increased by the thigh weight of the seated person 10, and this increase in pushing force causes the back plate body 220 to ) 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 is reduced, the force pushing the seat body 210 downward due to the thigh weight of the seated person 10 can be reduced, and this reduction in pushing force causes the back body 220 to The force pushing the back of the seated person 10 can be reduced.

Accordingly, the lumbar curvature of the seated person 10 can be corrected by adjusting the force with which the back plate 220 pushes the back of the seated person 10 according to the volume adjustment of the seat cushion parts 111 and 112. In addition, as described above, the backrest cushion 120 also has a variable volume, and the volume of the backrest cushion 120 is increased to increase the force provided by the backboard body 220 to the back of the seated person 10 or By reducing the volume of the cushion portion 120, the force provided by the back plate 220 to the back of the seated person 10 can be 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 position of the seated person 10 is in the normal position, The volume of the seat cushion parts 111 and 112 on both sides, that is, the left seat cushion part 111 and the right seat cushion part 112, is made the same so that the seat cushion parts 111 and 112 on both sides are used to accommodate the seated person (10). ) can support the lower body of the seated person 10 while preventing it from tilting in one direction.

In addition, when the pelvic position of the seated person (10) is wrong, the volumes of the left seat cushion part 111 and the right seat cushion part 112 are changed so that the seat cushion parts 111 and 112 on both sides are aligned with the seated person. The lower body of the seated person 10 can be supported while preventing the seated person 10 from tilting in one direction.

Specifically, when the seated person 10 is tilted to the left, the volume of the left seat cushion 111 is increased, and when the seated person 10 is tilted to the right, the volume of the right seat cushion 112 is increased, By adjusting the posture balance of the seated person 10, the horizontal position of the pelvis of the seated person 10 can be corrected.

Figure 4 is a front view of an orthodontic chair according to another embodiment of the present invention.

The orthodontic chair of the present invention may further include a level 300 that measures the level of the chair body 200. As shown in FIG. 4, the level 300 may be formed by being inserted into the climbing body 220. When the level 300 is formed by inserting the back plate 220, the level 300 is fixedly coupled with the chair body 200 and integrated, thereby preventing the risk of loss or damage.

However, the position of the level 300 is not limited as described above, and may be installed anywhere where confirmation is easy. That is, the level 300 may be coupled to the seat board 210, and when the level 300 is coupled to the back board 220, it is easy for others other than the seated person 10 to check the level 300. And, when the level 300 is coupled to the seat plate 210, it can be easy for the seated person 10 to check the level 300.

As described above, when the seated person 10 is seated on the seat plate 210 and tilted in one direction, the chair body 200 is also tilted in that direction, and accordingly, the level 300 is also tilted so that the level 300 Water droplets, which is the standard, can move.

In this case, by checking the level 300, the seated person 10 can determine whether the person's posture is balanced or not, and the seat cushion part 111 on the left or the seat cushion part 112 on the right 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 droplet of the level 300 is located in the center, and the chair body 200 can also be confirmed to be positioned in an upright state. , Accordingly, it can be confirmed that the posture of the seated person 10 has also become balanced.

Simultaneously with or in place of the leveler 300 as described above, the orthodontic chair of the present invention includes a position sensor that is coupled to the chair body 200 and measures the inclination of the chair body 200. It may further include.

The position sensor measures the tilt 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 smartphone, tablet PC, etc.

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

When using the correction chair of the present invention as described above, the seated person 10 can support the back and waist more effectively than existing posture correction chairs to create a normal curve of the lumbar spine, and the seated person 10's condition can be adjusted to Accordingly, correction can be easily performed by adjusting the force required to create the lumbar curve using 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 in the posture of the seated person 10.

The orthodontic chair of the present invention is formed on a back plate 220 and coupled to the back cushion 120, and when rotated in one direction, the back cushion 120 is raised, and when rotated in the other direction, the back cushion 120 is raised. ) may further include a control unit including a dial 400 that lowers the control panel. Here, the dial 400 may have the shape of a rotary knob.

The operating unit may have a rack & pinion gear structure, and the rack of the operating unit may be combined with the back cushion part 120 and the pinion may be combined with the dial 400. That is, the control unit may penetrate the back panel body 200 and be coupled to the back board cushion unit 120.

Additionally, the rack can move up and down in combination with a guide rail formed in the penetrating portion of the climbing body 200, and may be coupled with a pinion. Accordingly, when the dial 400 is rotated in one direction, the pinion rotates and raises the rack 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. The cushion portion 120 can be lowered.

With the above configuration, the vertical position of the backrest cushion 120 can be varied, and accordingly, the position of the backrest cushion 120 can be adjusted according to the body shape of the seated person 10, allowing the seated person ( 10) The efficiency of posture correction can be increased.

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

The scope of the present invention is indicated by the patent claims described below, and all changes or modified forms derived from the meaning and scope of the claims and their equivalent concepts should be construed as being included in the scope of the present invention.

10: Seated person
111: Left seat cushion part
112: Seat cushion part on the right side
120: Back cushion part
200: Chair body
210: Seat plate body
220: Back plate
230: Basic cushion
300: Level
400: Dial

Claims (8)

A chair body including a seat body supporting the seated person's lower body and a back plate body coupled to the seat body and supporting the seated person's back;
At least one seat cushion part is formed on the upper or lower part of the seat plate body, performs a cushion function, and has a variable volume;
a back cushion portion formed on the back plate body, performing a cushion function, and having a variable volume; and
An operating unit formed on the backrest body and coupled to the backrest cushion unit to raise or lower the backrest cushion unit, and including a rotating dial,
By varying the volume of the seat cushion portion or the volume of the back cushion portion, the lumbar curve or horizontal position of the pelvis of the seated person is adjusted,
The operating unit may include a rack that is coupled to the backrest cushion and can move up and down by engaging a guide rail formed in a penetrating portion of the backboard body; And, a pinion whose gear portion engages with the rack and whose rotation axis portion engages with the dial to perform rotation,
When the dial is rotated in one direction, the pinion rotates and raises the rack to raise the backrest cushion, and when the dial is rotated in the other direction, the pinion rotates and lowers the rack, causing the backrest cushion to lower. A chair for correcting lumbar curve and horizontal pelvic position.
delete In claim 1,
A chair for correcting lumbar curvature and pelvic horizontal position, characterized in that the seat body has a concave shape and a seat cushion seating groove, which is a groove in which the seat cushion portion is seated.
In claim 1,
A chair for correcting lumbar curvature and pelvic horizontal position, characterized in that the seat cushion portion is disposed on both sides of the seat plate body.
In claim 1,
A chair for correcting lumbar curvature and pelvic horizontal position, characterized in that the seat cushion part is provided with a seat cushion valve, which is a valve that opens and closes the inflow and outflow path of air into the inner space of the seat cushion part.
In claim 1,
A chair for correcting lumbar curvature and pelvic horizontal position, characterized in that the back cushion part is provided with a back cushion valve, which is a valve that opens and closes the inflow and outflow path of air into the inner space of the back cushion part.
In claim 1,
A chair for correcting lumbar curvature and pelvic horizontal position, further comprising a level for measuring the horizontality of the chair body.
In claim 7,
A chair for correcting lumbar curvature and pelvic horizontal position, wherein the level system is formed by being inserted into the back plate.