KR102663835B1 - Chair that distributes body weight - Google Patents

Abstract

The present invention relates to a body pressure distribution chair. According to the present invention, a chair frame including a seat frame and a backrest frame, a headrest portion coupled to the upper rear side of the backrest frame to support the head and neck, and formed on the front of the backrest frame. A backrest portion that supports the back and waist, a seat portion that is formed to enable sitting on the upper surface of the seat frame, and the area where the left buttocks touches is segmented to increase the contact area, and the headrest portion, the backrest portion, and the seat portion, respectively. It is possible to provide a body pressure distribution chair including a cylinder installed and filled with fluid, and a driving unit that evenly distributes body pressure and relieves the load on the lower lumbar spine by adjusting the position and angle according to the movement of the fluid when sitting. there is.

Description

Body pressure distribution chair {Chair that distributes body weight}

The present invention relates to a body pressure distribution chair. More specifically, the position and angle of the headrest, backrest, and seat are adjusted according to the change in posture of the user sitting on the chair, so that the pressure and deformation force applied to the body are distributed to the headrest and backrest of the chair. , relates to a chair that distributes body pressure that can provide a comfortable sitting feeling to the user by allowing the seat to absorb it.

Recently, sitting on a chair for a long period of time has become essential for modern people. Sitting for a long time causes the back to bend, the shoulders to hunker down, the neck to lean forward compared to the shoulder, making it difficult to maintain posture, such as lowering the head, leading to fatigue in the lower back, neck, and back. I feel it.

For this reason, users relieve fatigue by changing their posture or resting by leaning on a chair.

However, in conventional chairs, the user is designed to sit with his or her upper body in close contact with the chair seat and backrest, so it is recommended to sit in a vertical posture. Therefore, even if the posture is changed, the posture must be changed while maintaining the vertical posture. It is difficult to relieve fatigue, and even if you lean on a chair, it is difficult to withstand the load of your upper body on your lower body for a long time, which increases fatigue and can cause physical discomfort due to fatigue.

Therefore, there is an urgent need to develop a chair that can efficiently distribute and support the load applied to the body of the user sitting on the chair and at the same time maintain a comfortable posture for the user.

The prior art includes Korean Patent No. 10-1490435, “Chair with adjustable backrest angle.”

In order to solve the above problem, the present invention is provided with a driving unit that can adjust the position and angle of the headrest, backrest, and seat, and reduces the pressure that changes when the center of gravity moves due to a change in the user's posture while the user is seated. The purpose is to provide a body pressure distribution chair that can reduce fatigue and maintain a comfortable posture by minimizing the pressure and deformation force applied to the user's body by absorbing it from the chair and dispersing it.

A body pressure distribution chair according to an embodiment of the present invention for solving the above problem includes a chair frame including a seat frame and a backrest frame, a headrest portion coupled to the upper rear side of the backrest frame to support the head and neck, and a front surface of the backrest frame. A backrest portion formed in and supporting the back and waist, a seat portion formed to allow sitting on the upper surface of the seat frame, and the area where the left buttocks touches is segmented to increase the contact area, the headrest portion, the backrest portion, and the seat portion. Each of the cylinders are installed and filled with fluid, and may include a driving unit that evenly distributes body pressure and relieves the load on the lower lumbar spine by adjusting the position and angle according to the movement of the fluid when sitting.

Here, the headrest unit has a pair of first coupling plates coupled to the upper center of the backrest frame in the form of a plate, a long hole formed along the height direction of the side in the form of a plate extending in the height direction, and a pair of first coupling plates. A support plate inserted between the first coupling plates and axially coupled thereto, has the shape of a plate and is formed as a pair, and at least one second coupling plate is axially coupled to the long hole of the support plate, the second coupling plate in the form of a plate. One or more headrests that are coupled to the front of the coupling plate, with the driving part connected to the rear in the form of one or more base plates and plates through which the driving part penetrates in the front, and spaced in front of the base plate to secure angle adjustment space. May include a plate.

In addition, the backrest is in the form of a plate, and the driving part that penetrates the backrest frame is connected to the rear of the backrest, and may include a plurality of backrest plates that are symmetrical on both sides with respect to the center of the backrest frame and arranged along the height direction. .

In addition, the seat unit is in the form of a plate, and the driving unit that penetrates the seat frame is connected to its lower surface, and the coccyx support plate formed behind the seat frame is connected to the lower surface in the form of a plate, and the driving unit that penetrates the seat frame is connected to it. The lower surface in the form of a thigh support plate and plate formed in front of the seat frame is connected to the seat frame by a fixing unit to adjust the angle, and a plurality of left glutes are formed between the coccyx support plate and the thigh support plate. It may include a support plate.

At this time, the position and angle of the seat plate unit are adjusted by connecting the coccyx support plate and the thigh support plate by the driving unit, and a plurality of the left hip support plates are used to adjust the positions and angles of the coccyx support plate and the thigh support plate. The angle can be adjusted to distribute body pressure.

In addition, the seat support plate is connected to the seat frame by a fixing unit whose upper side is formed in the shape of a sphere, and a fixing groove corresponding to the upper surface of the fixing unit is formed on the surface connected to the fixing unit, so that it can be adjusted according to pressure changes. The slope can be adjusted.

In addition, the driving unit has a hollow interior filled with the fluid, a plurality of cylinders in which the chair frame side is open and the other side of the chair frame is closed, and a piston head inserted into the cylinder and formed to be movable inside the cylinder. and a piston rod extending from the piston head toward the chair frame and connected to the headrest portion, the backrest portion, and the seat plate portion, and passing through the piston head to connect the plurality of pistons, wherein the piston It may include a piping assembly that forms a passage so that the fluid moves toward the chair frame when moving inside the cylinder.

Here, the driving unit generates a flow of the fluid in response to pressure changes occurring in the headrest portion, the backrest portion, and the seat portion, and moves the piston according to the pressure of the fluid as the fluid enters and exits the cylinder. The positions and angles of the headrest part, the backrest part, and the seat plate part can be adjusted.

In addition, the driving unit may further include a fixture formed in the shape of a sphere on the chair frame side of the piston rod and connected to the headrest unit, the backrest unit, and the seat plate unit.

At this time, the headrest part, the backrest part, and the seat plate part have a driving groove corresponding to the shape of the fixture formed on the surface connected to the fixture, so that the position and angle can be adjusted according to pressure changes.

In addition, the drive unit may further include a connection unit including a facepiece positioned above or in front of the drive groove and coupled thereto, and an elastic string extending from the facet.

At this time, the fixture has a diagonal connection hole formed on the surface in contact with the drive groove so as not to overlap the piston rod, and the elastic string passes through the connection hole and the end is knotted to form the headrest portion, the backrest portion, and It can be fixed to the seat plate.

In the body pressure distribution chair according to the embodiment of the present invention as described above, the positions and angles of the headrest, backrest, and seat are adjusted, so that when the center of gravity moves due to a change in the posture of the seated user, the chair accepts the changing pressure, By dispersing this, the pressure and deformation force applied to the user's body can be minimized.

Accordingly, the user can reduce body fatigue that occurs when sitting on a chair for a long time, and can maintain a comfortable posture by adjusting the position and angle according to changes in posture.

In addition, it can reduce the load on the lower lumbar spine and prevent lower lumbar diseases such as disc problems.

Additionally, the headrest can be adjusted according to the height of the user's head and the shape of the occipital bone and parietal bone.

In addition, the seat portion is divided into pieces to increase the area of contact with the left buttocks, which reduces the pressure on the left buttocks, allowing one to sit comfortably in the chair for a long time.

Additionally, the user can adjust the angle of the seat plate according to changes in posture, thereby facilitating movement of the lumbar region.

In addition, by mounting the driving part using an elastic string, it can be mounted easily and conveniently, and the mounting structure can be improved.

In addition, damage due to exposure of the piping of the driving part can be prevented.

Figure 1 is a perspective view showing a body pressure distribution chair according to an embodiment of the present invention.
Figure 2 is a bottom rotation perspective view of Figure 1.
Figure 3 is a perspective view showing the chair frame, headrest part, and driving part of Figure 1.
Figure 4 is a rotational perspective view of Figure 3.
Figure 5 is a perspective view showing the headrest part and driving part of Figure 4.
Figure 6 is a side view of Figure 5.
Figure 7 is an exploded view of the headrest portion of Figure 5.
Figure 8 is a perspective view showing the chair frame, backrest, and driving part of Figure 1.
Figure 9 is a rotational perspective view of Figure 8.
Figure 10 is a perspective view showing the backrest and driving part of Figure 9.
Figure 11 is a perspective view showing the backrest of Figure 10.
Figure 12 is a perspective view showing the chair frame, seat part, and driving part of Figure 1.
Figure 13 is a bottom perspective view of Figure 12.
FIG. 14 is a perspective view showing the seat portion and driving portion of FIG. 13.
Figure 15 is a perspective view showing the seat portion of Figure 14.
Figure 16 is a perspective view showing the fixing unit of Figure 14.
Figure 17 is a perspective view showing the driving unit of Figure 2.
Figure 18 is a perspective view showing one of the driving units in Figure 17.
FIG. 19 is an exploded view of the driving part excluding the piping assembly of FIG. 18.
Figures 20 (a) and (b) are exemplary diagrams showing the operation of Figure 1.

Since the present invention can make various changes and take various forms, specific embodiments will be described in detail in the text. However, this is not intended to limit the present invention to a specific disclosed form, and should be understood to include all changes, equivalents, and substitutes included in the spirit and technical scope of the present invention.

The terms used in this application are only used to describe specific embodiments and are not intended to limit the invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, terms such as “comprise” or “have” are intended to designate the existence of a combination of features, numbers, steps, components, etc. described in the specification, but are not limited to one or more other features or numbers, It should be understood that the existence or addition possibility of combinations of steps, components, etc. is not excluded in advance.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as generally understood by a person of ordinary skill in the technical field to which the present invention pertains. Terms defined in commonly used dictionaries should be interpreted as having meanings consistent with the meanings they have in the context of the related technology, and unless clearly defined in the present application, should not be interpreted in an ideal or excessively formal sense. No.

Here, repeated descriptions, known functions that may unnecessarily obscure the gist of the present invention, and detailed descriptions of configurations are omitted. Embodiments of the present invention are provided to more completely explain the present invention to those skilled in the art.

Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 20.

Figure 1 is a perspective view showing a body pressure distribution chair according to an embodiment of the present invention, and Figure 2 is a bottom rotation perspective view of Figure 1.

Referring to Figures 1 and 2, the body pressure distribution chair 1 may include a chair frame 100, a headrest part 200, a backrest part 300, a seat part 400, and a driving part 500. .

The chair frame 100 may include a seat frame 110 and a backrest frame 120.

The seat frame 110 includes a support plate 111 and a support 112 connected to the lower surface of the support plate 111 and supported on the ground, a seat portion 400 is installed on the upper side, and a driving unit 500 is installed on the seat portion. (400) may penetrate the lower surface of the installed surface.

As shown in FIG. 1, the support 112 may be rotatably connected to the center of the lower surface of the support plate 111 and may be formed with a wheel at the bottom, but is not limited to this, and may be formed in a form that is rotatably connected to the center of the lower surface of the support plate 111. It can be formed in various shapes, such as being formed with legs connected to each corner.

The backrest frame 120 is connected upward to the rear of the upper surface of the seat frame 110, the headrest part 200 is installed on the upper rear side, the backrest part 300 is installed in the front, and the driving part 500 is installed on the backrest part. (300) may penetrate the rear of the surface on which it is installed.

As shown in FIG. 1, the backrest frame 120 may be formed in the form of a single square plate with a curved lower side, but is not limited to this and may be formed in various shapes.

The headrest portion 200 may be coupled to the upper rear side of the backrest frame 120 to support the head and neck.

In addition, the headrest unit 200 can be adjusted in position and angle up and down according to the user's physical condition.

The backrest portion 300 may be formed on the front of the backrest frame 120 to support the back and waist.

The seat plate portion 400 is formed so that one can sit on the upper surface of the seat frame 110, and the area where the left buttocks touches can be segmented to increase the area touched.

The driving unit 500 is installed on the headrest unit 200, the backrest unit 300, and the seat unit 400, respectively, and is provided with a cylinder filled with fluid, so that the position and up, down, left, and right angles are adjusted according to the movement of the fluid when sitting. By adjusting, you can evenly distribute body pressure and relieve the load on the lower lumbar spine.

Specifically, the drive unit 500 is installed on the headrest unit 200, penetrates the backrest frame 120, is installed on the backrest unit 300, and penetrates the seat frame 110 to be installed on the seat unit 400. You can.

The headrest unit 200, backrest unit 300, seat plate unit 400, and drive unit 500 will be described in more detail below.

Figure 3 is a perspective view showing the chair frame, headrest part, and driving part of Figure 1, Figure 4 is a rotational perspective view of Figure 3, Figure 5 is a perspective view showing the headrest part and driving part of Figure 4, and Figure 6 is a perspective view showing the headrest part and driving part of Figure 5. It is a side view, and Figure 7 is an exploded view of the headrest part of Figure 5.

Referring to FIGS. 3 and 4 , the headrest portion 200 is coupled to the upper rear side of the backrest frame 120 and may protrude toward the upper front.

Specifically, referring to FIGS. 5 to 7, the headrest portion 200 includes a first coupling plate 210, a support plate 220, a second coupling plate 230, a base plate 240, and a headrest plate. It may include (250).

The first coupling plate 210 has a first coupling hole 211 formed on the side in the form of a plate, and may be provided in a pair at the upper center of the rear of the backrest frame 120 and coupled thereto.

Specifically, the pair of first coupling plates 210 are spaced apart in the left and right directions and are coupled on the same horizontal line, and a fastening member J may be connected to the first coupling hole 211 by penetrating therethrough.

At this time, the fastening member J may be used in various ways, such as pins or screws, depending on the user's needs.

The support plate 220 has a long hole 221 formed along the height direction of the side in the form of a plate extending in the height direction, and the lower side can be inserted between a pair of first coupling plates 210 and axially coupled. .

Specifically, the support plate 220 may be inserted so that the long hole 221 is located on the same horizontal line as the first coupling hole 211 and coupled to the first coupling plate 210 by a fastening member (J).

At this time, the support plate 220 can adjust the coupling height and angle along the longitudinal direction of the long hole 221, so that it can be coupled at the height and angle required by the user.

The second coupling plate 230 has the shape of a plate and is formed as a pair, with a second coupling hole 231 formed on the side so that it is axially coupled to the support plate 220 and is positioned above the first coupling plate 210. It may be formed as one or more to be located in .

Specifically, the pair of second coupling plates 230 are spaced apart in the left and right directions and are located on the same horizontal line, and a fastening member J may be connected to the second coupling hole 231 by penetrating therethrough.

More specifically, the pair of second coupling plates 230 have a support plate 220 inserted in a spaced apart space, and the second coupling hole 231 is located on the same horizontal line as the long hole 221 to form a fastening member ( It can be coupled to the support plate 220 by J).

In addition, the second coupling plate 230 can adjust the coupling height and angle along the longitudinal direction of the long hole 221, so that it can be coupled at the height and angle required by the user.

The base plate 240 is coupled to the front of the second coupling plate 230, and the driving unit 500 can penetrate forward.

Specifically, the base plate 240 is coupled to the second coupling plate 230 by welding or adhesive, and the driving unit 500 can penetrate from the rear to the front.

The headrest plate 250 is in the form of a plate that supports the head and neck, and a driving groove H to which the driving unit 500 penetrating the base plate 240 is connected may be formed on the rear side.

Here, the driving groove (H) is preferably formed in a shape corresponding to the surface of the driving unit 500 facing the chair frame 100, and the headrest unit 200, the backrest unit 300 and the seat unit ( The driving grooves H formed in 400) are substantially the same.

In addition, the driving groove H is provided with a space within which the driving unit 500 can rotate, so that the angles of the headrest unit 200, the backrest unit 300, and the seat plate unit 400 can be adjusted.

As shown in FIG. 6, the headrest plate 250 is spaced forward of the base plate 240 to secure an angle adjustment space.

Specifically, when pressure is generated due to head and neck movement, the headrest plate 250 adjusts its angle along the driving groove (H) and returns to its original position when the pressure is removed.

Additionally, the position of the headrest plate 250 can be adjusted forward and backward according to the operation of the driving unit 500.

Accordingly, the headrest plate 250 of the headrest unit 200 can move forward and backward depending on the user's posture to always be in close contact with and support the head and neck.

Additionally, the headrest unit 200 can receive pressure that changes according to the movement of the user's head and neck and disperse it to minimize pressure and deformation force applied to the user's head and neck.

Because of this, the user can reduce head and neck fatigue and maintain a comfortable posture.

Figure 8 is a perspective view showing the chair frame, backrest and driving part of Figure 1, Figure 9 is a rotational perspective view of Figure 8, Figure 10 is a perspective view showing the backrest and driving part of Figure 9, and Figure 11 is the backrest of Figure 10. It is a perspective view showing wealth.

Referring to FIG. 8, the backrest portion 300 may be connected to the front of the backrest frame 120.

Additionally, referring to FIG. 9 , the backrest unit 300 may be connected to the driving unit 500 penetrating the backrest frame 120.

Specifically, referring to FIGS. 10 and 11 , the backrest portion 300 may include a plurality of backrest plates 310 .

The backrest plate 310 has a plate shape and may have a driving groove H formed on its rear side to which the driving unit 500 penetrating the backrest frame 120 is connected.

In addition, the backrest plate 310, which is formed in plural pieces, may be symmetrical on both sides with respect to the center of the backrest frame 120 and arranged along the height direction.

Additionally, the position of the backrest plate 310 can be adjusted forward and backward according to the operation of the driving unit 500.

Accordingly, the backrest plate 310 of the backrest 300 can move forward and backward depending on the user's posture to always support the back and waist in close contact.

Additionally, the backrest portion 300 is segmented into a plurality of backrest plates 310 to increase the area in contact with the spine, thereby reducing the load on the spine.

In addition, the backrest unit 300 can receive pressure that changes according to the movement of the user's back and waist, and distribute it to minimize the pressure and deformation force applied to the user's back and waist.

Because of this, the user can reduce back and waist fatigue and maintain a comfortable posture.

Figure 12 is a perspective view showing the chair frame, seat part and driving part of Figure 1, Figure 13 is a bottom perspective view of Figure 12, Figure 14 is a perspective view showing the seat part and driving part of Figure 13, and Figure 15 is the seat board of Figure 14. It is a perspective view showing the unit, and Figure 16 is a perspective view showing the fixing unit of Figure 14.

Referring to FIG. 12 , the seat plate unit 400 may be connected to the upper side of the support plate 111 of the seat frame 110.

Additionally, referring to FIG. 13 , the seat plate unit 400 may be connected to the driving unit 500 penetrating the support plate 111 of the seat frame 110.

Specifically, referring to FIGS. 14 and 15 , the seat plate portion 400 may include a coccyx support plate 410, a thigh support plate 420, and a left gluteal support plate 430.

The coccyx support plate 410 is in the form of a plate and has a driving groove (H) formed on its lower surface to which the driving unit 500 that penetrates the seat frame 110 is connected, and is formed at the rear of the seat frame 110 to support the coccyx. there is.

Here, the coccyx is a bone located at the bottom of the spine, and when a user sits on a chair, most of the load can be concentrated on the coccyx.

Specifically, the coccyx support plate 410 is located at the rear of the upper surface of the support plate 111 and is formed in a size corresponding to the width of the support plate 111.

The thigh support plate 420 is in the form of a plate and has a driving groove (H) formed on its lower surface to which the driving unit 500 that penetrates the seat frame 110 is connected, and is formed in front of the seat frame 110 to support the thigh. there is.

At this time, the thigh support plate 420 may be formed to have the same size and shape, and may be formed parallel to the same horizontal line.

In addition, the thigh support plate 420 may be connected to the same driving unit 500 as the drive unit 500 connected to the coccyx support plate 410, so that the operation of the thigh support plate 420 can be interlocked with the coccyx support plate 410.

For example, when a load greater than the load applied to the coccyx support plate 410 is applied to the thigh support plate 420, the height of the thigh support plate 420 is lowered by the driving unit 500, thereby lowering the height of the thigh support plate 420. , the height of the coccyx support plate 410 can be increased.

The left gluteal support plate 430 is formed in the form of a plate and is formed in plural pieces along the width of the seat frame 110 between the coccyx support plate 410 and the thigh support plate 420 to support the left gluteal region.

Here, the left gluteal bone is the bone that the user's hip touches when sitting, and pain can often occur as the left gluteal nerve is stimulated or compressed.

Specifically, the seat support plate 430 is formed to extend from the front to the rear of the seat frame 110, and a plurality of them may be arranged symmetrically on the left and right sides of the seat frame 110.

Additionally, the lower surface of the seat support plate 430 may be connected to the seat frame 110 by a fixing unit 431.

At this time, a fixing groove 432 corresponding to the upper surface of the fixing unit 431 may be formed on the lower surface of the left support plate 430.

The fixing unit 431 has an upper side formed in the shape of a sphere and a lower side formed in the shape of a plate so that it can be coupled to the seat frame 110.

Specifically, the upper part of the fixing unit 431 is inserted into the fixing groove 432 and connected by a rope, string, etc. to be able to rotate, and the support leg extends downward to be coupled to the seat frame 110.

Accordingly, the seat plate unit 400 can distribute the load by forming the coccyx support plate 410, thigh support plate 420, and left gluteal support plate 430 to be inclined in the front, rear, left and right directions according to the user's posture.

In addition, the seat plate portion 400 includes a coccyx support plate 410, a thigh support plate 420, and a plurality of left gluteal support plates 430, which are segmented from each other to increase the contact area of the coccyx, thighs, buttocks, etc., thereby reducing the load. You can.

In addition, the seat plate unit 400 can accept pressure that changes according to the movement of the user's back and waist, and distribute it to minimize the pressure and deformation force applied to the user's back and waist.

Because of this, the user can reduce fatigue in the lower body and maintain a comfortable posture.

In addition, it can reduce the load on the lower lumbar spine and prevent lower lumbar diseases such as disc problems.

FIG. 17 is a perspective view showing the driving part of FIG. 2, FIG. 18 is a perspective view showing one of the driving parts of FIG. 17, FIG. 19 is an exploded view of the driving part excluding the piping assembly of FIG. 18, and FIG. 20 (a) and (b) ) is an example diagram showing the operation of Figure 1.

The driving unit 500 may be installed in the headrest unit 200, the backrest unit 300, and the seat plate unit 400, respectively.

Referring to FIGS. 17 and 18 , the driving unit 500 may include a cylinder 510, a piston 520, and a piping assembly 530.

Referring to FIG. 19, a plurality of cylinders 510 are arranged, and the inside of the cylinder 510 is hollow and filled with fluid, but the chair frame 100 side may be open and the other side of the chair frame 100 may be closed.

That is, when the cylinder 510 is installed on the headrest part 200 and the backrest part 300, the front is open and the rear is closed, and when installed on the seat plate part 400, the upper side is open and the lower side is closed. You can.

Additionally, the cylinder 510 may be disposed to penetrate the seat frame 110 of the chair frame 100, the backrest frame 120, and the base plate 240 of the headrest portion 200.

At this time, it is preferable that the cylinder 510 is arranged to penetrate all the way to the middle so that it does not extend to the outside of the chair frame 100, but is not limited to this.

Additionally, the number of cylinders 510 may be equal to the number of driving grooves (H).

The piston 520 may include a piston head 521 and a piston rod 522.

The piston head 521 may be inserted in close contact with the inside of the cylinder 510 and may be formed to be movable inside the cylinder 510.

At this time, the piston head 521 is preferably made of an elastic material such as silicone or rubber, but is not limited to this and may be formed of various materials.

The piston rod 522 may extend from the piston head 521 toward the chair frame 110 and be connected to the headrest portion 200, the backrest portion 300, and the seat plate portion 400.

That is, the piston rod 522 extends forward when installed in the headrest unit 200 and the backrest unit 300, and extends upward when installed in the seat plate unit 400.

Additionally, the piston rod 522 may be connected to a portion of the headrest portion 200, the backrest portion 300, and the seat plate portion 400 where the driving groove (H) is formed.

That is, the piston rod 522 is connected to the headrest plate 250 of the headrest portion 200, the backrest plate 310 of the backrest portion 300, the coccyx support plate 410 and the thigh support plate of the seat portion 400. It can be connected to (420).

In addition, the piston rod 522 is preferably formed to be thinner than the thickness of the inside of the cylinder 510 into which the piping assembly 530 is inserted, or to form a space spaced apart from the inner surface of the cylinder 510, but is not limited to this. No.

The piping assembly 530 connects a plurality of pistons 520 by penetrating the piston head 521 and may form a passage through which fluid moves.

Specifically, the piping assembly 530 may include a piping 531 and a distributor 532 as shown in FIG. 18 .

As shown in FIG. 19, the pipe 531 may pass through the piston head 521 in the form of a tube to form a flow path for the fluid filled inside the cylinder 510.

In addition, the pipe 531 is preferably formed of a soft material such as silicone, rubber, or PVC and flows according to the driving of the driving unit 500, but is not limited to this and may be formed of a variety of materials.

This pipe 531 penetrates the piston head 521, extends along the longitudinal direction of the piston rod 522, is formed to be bent to the outside of the piston rod 522, and is connected to the base plate ( It may be located between 240) and the headrest plate 250, between the backrest frame 120 and the backrest 300, and between the seat frame 110 and the seat plate 400.

Accordingly, the pipe 531 is not exposed to the outside of the chair frame 100, and physical damage that may occur from the outside can be prevented without damaging the aesthetics.

In addition, compared to the case where the pipe 531 is disposed externally, the length of the pipe 531 is reduced, the movement time of the fluid is shortened, and the piston 520 can be operated more immediately.

In addition, the pipe 531 is disposed on the piston 520 in contrast to being disposed on the cylinder 510, so that when fluid is injected from the piston 520 toward the cylinder 510, the pipe 531 acts and reacts in addition to the pressure of the fluid. A reaction force that pushes the piston 520 generated according to the law is generated, so that the piston 520 can be operated more elastically.

In addition, the pulsation shock generated when the fluid is introduced occurs in the opposite direction of the piston 520, thereby preventing the piston 520 from being separated or damaged by the pulsation shock.

The distributor 532 can connect a plurality of pipes 531 and distribute the fluid so that it can move through each pipe 531.

Accordingly, the driving unit 500 moves the piston 520 in or out according to pressure changes generated in the headrest unit 200, backrest unit 300, and seat panel unit 400 when the user sits, thereby increasing the flow of fluid. It happens.

That is, the drive unit 500 moves the headrest unit ( 200), the angle and position of the backrest 300 and the seat plate 400 can be adjusted.

The angle and position adjustment of the driving unit 500 will be described in more detail below with reference to (a) and (b) of Figures 20.

Additionally, the driving unit 500 may further include a fixture 540.

At this time, the driving groove H formed in the headrest part 200, the backrest part 300, and the seat plate part 400, as described above, may be formed in a shape corresponding to the fixture 540.

The fixture 540 is formed in the shape of a sphere on the chair frame 100 side of the piston rod 522 and can be connected to the headrest portion 200, the backrest portion 300, and the seat plate portion 400.

That is, the fixture 540 may be connected to the rear of the headrest plate 250, the rear of the backrest plate 310, the lower surface of the coccyx support plate 410, and the lower surface of the thigh support plate 420.

Accordingly, the angle of the driving unit 500 can be adjusted by the fixture 540 in contact with the fixing groove (H) according to pressure changes occurring in the headrest unit 200, backrest unit 300, and seat plate unit 400. there is.

The angle adjustment of the driving unit 500 will be described in more detail below with reference to Figures 20 (a) and (b).

Additionally, the driving unit 500 may further include a connection unit 550.

The connection unit 550 may include a face 551 coupled to the upper or front side of the drive groove H, and an elastic string 552 extending from the face 551.

Specifically, the face 551 may be embedded and coupled to the front of the driving groove (H) when coupled to the headrest portion 200 and the backrest portion 300, and when coupled to the seat plate portion 400 It may be embedded and coupled to the upper side of the driving groove (H).

In addition, the elastic string 552, when coupled to the headrest portion 200 and the backrest portion 300, extends to the rear of the face 551, penetrates the driving groove (H), and is coupled to the seat plate portion 400. If possible, it may extend to the lower side of the face 551 and penetrate the driving groove (H).

At this time, the fixture 540 may have a connection hole 541 formed diagonally on the surface in contact with the driving groove (H) so as not to overlap the piston rod 522.

Specifically, the connection hole 541 extends inward from the surface in contact with the driving groove H, and may be formed by being bent in a direction that does not overlap the piston rod 522.

Here, the elastic string 552 is formed to be longer than the length of the connection hole 541, passes through the connection hole 541, and can be fixed by knotting the ends.

Accordingly, the headrest portion 200, the backrest portion 300, the seat portion 400, and the driving portion 500 are connected, and the angles of the headrest portion 200, the backrest portion 300, and the seat portion 400 are When adjusted, the elastic string 552 can be contracted or stretched to dynamically adjust the angle.

Additionally, when the user stands up, the elastic string 552 of the driving unit 500 contracts so that the headrest unit 200, backrest unit 300, and seat panel unit 400 can return to their original positions.

Hereinafter, the operation of the body pressure distribution chair 1 will be described.

The operation of the body pressure distribution chair 1, described below, is only an example to aid understanding and is not limited thereto.

Figure 20(a) is the state before the user sits on the body pressure distribution chair 1.

At this time, it can be confirmed that the angles of the headrest part 200, the backrest part 300, and the seat plate part 400 are constant, and the driving part 500 can also confirm that each component connected to the driving part 500 is at a constant height. You can.

Figure 20(b) shows a state in which the user is seated on the body pressure distribution chair 1.

At this time, it is assumed that the seated state is a state in which the user pulls his buttocks to the innermost side of the seat frame 110 and leans his back and head in a comfortable position.

It can be seen that the angle of the headrest portion 200 has been adjusted to incline inward.

Specifically, the headrest plate 250 is adjusted to be inclined inward along the fixture 540.

At this time, when the user leans to the left, the piston 520 connected to the headrest plate 250 provided on the left is drawn into the cylinder 510, and the fluid inside the cylinder 510 flows through the pipe 531. It is discharged, passes through the distributor 532, is injected into the cylinder 510 connected to the headrest plate provided on the right, and the piston 520 connected thereto is pulled out of the cylinder 510, so that the left headrest plate 250 is It is pressed rearward, and the right headrest plate 250 may protrude forward.

Additionally, when the user leans to the left around the center, the headrest plate 250 provided on the left may be inclined more inward than the headrest plate 250 provided on the right.

It can be seen that the angle of the backrest 300 is adjusted to incline inward, and that it moves backward as it moves upward.

Specifically, the backrest plate 310 is adjusted to be inclined inward along the fixture 540.

In addition, the piston 520 connected to the upper back plate 310 is drawn into the cylinder 510, and the fluid inside the cylinder 510 is discharged through the pipe 531 and passes through the distributor 532. As the piston 520 connected to the cylinder 510 connected to the lower back plate 310 is pulled out of the cylinder 510, the upper back plate 310 is pressed, and the middle and lower back plates ( 310) may protrude forward.

It can be seen that the angle of the seat portion 400 is adjusted to slope backward, the thigh support plate 420 protrudes upward, and the coccyx support plate 410 moves downward.

Specifically, the coccyx support plate 410 and the thigh support plate 420 are adjusted to be inclined rearward along the fixture 540, and the left gluteal support plate 430 is adjusted to be inclined rearward along the fixation unit 431.

In addition, the piston 520 connected to the coccyx support plate 410 is introduced into the cylinder 510, and the fluid inside the cylinder 510 is discharged through the pipe 531 and passes through the distributor 532 to support the thigh. As the piston 520 connected to the cylinder 510 connected to the plate 420 is pulled out of the cylinder 510, the upper coccyx support plate 410 is pressed and the thigh support plate 420 protrudes forward. It can be.

At this time, since the left hip support plate 430 is not connected to the driving unit, the angle can be adjusted according to changes in the user's posture according to the operation of the coccyx support plate 410 and the thigh support plate 420.

The embodiments of the present invention described above are not implemented only through devices, but may also be implemented through devices for realizing functions corresponding to the configurations of the embodiments of the present invention, components included in the devices, etc., and such implementations can be easily implemented by an expert in the technical field to which the present invention belongs based on the description of the above-described embodiments.

In addition, 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 can also be made by those skilled in the art using the basic concept of the present invention defined in the following claims. It falls within the scope of invention rights.

1: Body pressure distribution chair
100: Chair frame
110: Seat frame
111: support plate
112: support
120: backrest frame
200: Headrest part
210: first coupling plate
211: first coupling hole
220: support plate
221: Janghol
230: second coupling plate
231: second coupling hole
240: base plate
250: Headrest plate
300: backrest part
310: backrest plate
400: Seat panel
410: Coccyx support plate
420: Thigh support plate
430: Left support plate
431: Fixed unit
432: fixed groove
500: driving unit
510: cylinder
520: Piston
521: Piston head
522: Piston rod
530: Piping assembly
531: Plumbing
532: distributor
540: fixture
541: connection hole
550: Connection unit
551: tetrahedron
552: elastic strap
H: driving groove
J: fastening member

Claims (10)

A chair frame including a seat frame and a backrest frame;
A headrest portion coupled to the upper rear side of the backrest frame to support the head and neck;
a backrest portion formed on the front of the backrest frame to support the back and waist;
A seat portion that is formed so that one can sit on the upper surface of the seat frame, and the area where the left buttocks touches is segmented to increase the contact area, and
Each of the headrest parts, the backrest part, and the seat part is installed, and a cylinder filled with fluid is provided, and the position and angle are adjusted according to the movement of the fluid when sitting, thereby evenly distributing body pressure and reducing the load on the lower lumbar spine. It includes a driving part that relieves,
The seat part is,
a coccyx support plate formed in the rear of the seat frame and connected to the drive unit that penetrates the seat frame on a lower surface in the form of a plate;
The driving part penetrating the seat frame is connected to the lower surface in the form of a plate, and a thigh support plate formed in front of the seat frame and
When in the form of a plate, it is connected to the seat frame by a fixing unit to adjust the angle, and includes a plurality of seat support plates formed between the coccyx support plate and the thigh support plate,
The coccyx support plate and the thigh support plate are connected by the driving unit to adjust the height and angle, and the plurality of left gluteal support plates are angle adjusted according to the height and angle adjustment of the coccyx support plate and the thigh support plate to maintain body pressure. A body pressure distribution chair characterized in that it disperses.
According to clause 1,
The headrest part,
a pair of first coupling plates coupled to the upper center of the backrest frame in the form of a plate;
a support plate having a long hole formed along the height direction of the side in the form of a plate extending in the height direction, and being inserted and axially coupled between a pair of the first coupling plates;
At least one second coupling plate that has the shape of a plate and is formed as a pair, and is axially coupled to the long hole of the support plate;
One or more base plates coupled to the front of the second coupling plate in the form of a plate and through which the driving unit penetrates forward, and
A body pressure distribution chair comprising one or more headrest plates connected to the rear of the drive unit in the form of a plate and spaced in front of the base plate to secure an angle adjustment space.
According to clause 1,
The backrest part,
A body pressure dispersion chair comprising a plurality of backrest plates that are symmetrical on both sides with respect to the center of the backrest frame and arranged along the height direction, with the driving part penetrating the backrest frame connected to the back in the form of a plate.
delete delete According to clause 1,
The left support plate is,
The upper side is connected to the seat frame by a fixing unit formed in the shape of a sphere, and a fixing groove corresponding to the upper surface of the fixing unit is formed on the surface connected to the fixing unit, so that the inclination is adjusted according to pressure changes. A chair that distributes body pressure.
According to clause 1,
The driving unit,
a plurality of cylinders that are hollow inside and filled with the fluid, with one side of the chair frame being open and the other side of the chair frame being closed;
A piston inserted inside the cylinder, including a piston head formed to be movable inside the cylinder, and a piston rod extending from the piston head toward the chair frame and connected to the headrest portion, the backrest portion, and the seat plate portion. and
A body pressure dispersion chair comprising a piping assembly that penetrates the piston head, connects the plurality of pistons, and forms a passage so that the fluid moves toward the chair frame when the piston moves inside the cylinder.
According to clause 7,
The driving unit,
A flow of the fluid occurs according to pressure changes generated in the headrest portion, the backrest portion, and the seat portion, and the fluid enters and exits the cylinder, and the piston moves according to the pressure of the fluid, thereby forming the headrest portion, A body pressure distribution chair, characterized in that the position and angle of the backrest and the seat plate are adjusted.
According to clause 7,
The driving unit,
It further includes a fixture formed in the shape of a sphere on the chair frame side of the piston rod and connected to the headrest portion, the backrest portion, and the seat plate portion,
The headrest portion, the backrest portion, and the seat portion,
A body pressure distribution chair, characterized in that a driving groove of a shape corresponding to the fixture is formed on a surface connected to the fixture and the position and angle are adjusted according to pressure changes.
According to clause 9,
The driving unit,
It further comprises a connection unit including a facepiece positioned above or in front of the drive groove and coupled thereto, and an elastic string extending from the facepiece,
The fixture is,
A connection hole is formed diagonally on the surface in contact with the drive groove so as not to overlap the piston rod,
A body pressure distribution chair, wherein the elastic string passes through the connection hole and is knotted at an end to be fixed to the headrest portion, the backrest portion, and the seat portion.