KR20090002112U - The chair which has a waist motor function - Google Patents

Abstract

The present invention relates to a functional chair that can maintain a correct posture by stretching and angle adjustment device of the waist, more specifically, by connecting the seat plate and the back with a resilient connecting frame by lifting the waist back while sitting The present invention relates to a functional chair capable of maintaining a correct posture by stretching a waist and adjusting an angle so that the angle of the backrest can be adjusted and the work can be performed in a correct posture.

Functional chair that can maintain the correct posture by the stretching and angle adjustment device of the present invention according to the above is a leg consisting of a body to which a plurality of support members are formed wheels to facilitate movement; A seat plate fastened with a screw to an upper portion of the body of the leg so that rotation and height are adjustable; An armrest which is fastened to both sides of the seat plate so that the arm can be placed and used when using the seat plate of the computer so as to perform a task in a more correct posture; The bottom of the seat plate is fastened with a bolt, a fastening groove is formed so that one side of the connection frame can be fastened, one end of the connection frame is fastened with a bolt, and one side is fastened to the connector and one side will be described below. A connection member having a connection frame fastened by a bolt to the backrest angle adjusting device which is fastened to the backrest; A backrest fastened through a connecting frame to an upper side of the seat plate; A backrest angle adjusting device for adjusting an angle of the backrest; And a head restraint.

And the backrest angle adjustment device of the functional chair that can maintain the correct posture by stretching and angle adjustment device of the present invention is fastened as a bolt on the back of the backrest and the fastening piece is fastened to the backrest in the shape of "c" A fixing bracket having a fastening member having an extension piece formed by extending and extending both sides of the bias and having a hole to which the torsion spring is fastened; The body is fastened to the fixing bracket, is formed in a "c" shape, the connection frame is fastened to the center is provided with a body formed with a fastening protrusion formed with an insertion portion for inserting the connection frame, and bent by extending both sides of the body A hole is formed to correspond to a hole formed in the extension piece of the fixing bracket, and has an extension piece to which the tension spring which is fastened to the rotating pin through the hole is formed, and a hole is formed in the body and the fastening protrusion. The angle adjuster is fastened through the hole to adjust the angle of the backrest, characterized in that it comprises a rotating bracket.

In addition, the functional chair that can maintain the correct posture by stretching the waist and the angle adjustment device of the present invention is formed on the back of the backrest while advancing the screw inserted angle adjuster when rotating the angle adjuster formed on the rear of the rotating bracket of the connecting frame Since the fixing bracket is pushed, the lower part of the backrest moves forward with respect to the rotating part so that the user can accurately support the lumbar region of the spine according to the user's body shape, and the torsion spring installed outside the rotating pin is connected to the connecting part. Since the lower end of the backrest is continuously pushed toward the rear toward the center, when the angle adjusting device is rotated in reverse, the lower part of the backrest is moved backward by the torsion spring while the angle adjusting device is reversed. The angle of the backrest It characterized in that one to adjust accordingly.

In addition, the functional chair that can maintain the correct posture by stretching and angle adjustment device of the present invention is when the user is in close contact with the back to the backrest when the user wants to exercise the back, the backrest is pushed backwards and elastically connected frame Is connected to the backrest is rotated to the rear, and rotates a certain angle around the rotation pin of the angle adjustment device formed on the backrest, so that the lower end of the backrest pushes the waist portion to the front when the torsion spring is compressed It is possible to lean back on the back even without applying a large force to the waist. When the waist is retracted at an angle as described above, the force applied is recovered by the elasticity of the connecting frame having elastic force and the compressed torsion spring. Allow the backrest to return to its original position and repeat the process several times. It characterized in that it allows you to exercise.

Leg, seat, backrest, angle adjuster, connecting frame

Description

A functional chair that can maintain a correct posture by stretching the waist and adjusting the angle device {The chair which has a waist motor function}

1 is a side view showing a conventional chair

Figure 2 is a bottom exploded perspective view showing a functional chair that can maintain the correct posture by stretching and angle adjustment device of the waist of the present invention

Figure 3 is a bottom perspective view showing a functional chair that can maintain the correct posture by stretching and angle adjustment device of the waist of the present invention

Figure 4 is a side view showing a backrest angle adjustment state of the functional chair that can maintain the correct posture by the waist stretching and angle adjustment device of the present invention

Figure 5 is a side view showing the working state of the functional chair that can maintain the correct posture by the waist stretching and angle control device of the present invention

a is the state where the backrest is first lifted

b is the second back state

* Explanation of symbols for the main parts of the drawings *

100: leg 110: body

120: support member 130: wheel

200: seat 300: armrest

400: connecting member 410: fastening member

430: connection frame 500: backrest

600: backrest angle adjustment device 610: fixed bracket

630: rotating bracket 650: tension spring

670: rotating pin 690: angle control

700: headrest

The present invention relates to a functional chair capable of maintaining a correct posture by stretching and angle adjustment device of the waist, more specifically, by connecting the backrest with a connecting frame having elastic force, it is possible to do the back movement by tilting the waist back while sitting. The present invention relates to a functional chair capable of maintaining the correct posture by stretching and angle adjusting the waist to allow the backrest to adjust the angle of the backrest so as to perform the job in the correct posture.

In general, modern people sit on a chair for a long time to bend the waist forward to perform the work, such as a disc occurs, that is, the back muscles of the waist is excessively stretched, muscle strength is dropped, resulting in a back disease such as a disc.

Therefore, even when sitting on a chair, it is most important for the health of the spine that the back is always recessed so that the back is concave. Should be used.

In the conventional chair, as shown in FIG. 1, a pair of armrests 300 are installed at one side of the seat plate 200 and the seat plate 200 fastened to the upper portion of the leg 100, and the seat plate 200 of the seat plate 200. The backrest 500 formed integrally at the rear is fixedly installed, and in order to straighten the waist in the chair, it is common to support a cushion or a cushion on the lumbar region of the spine and then lean back to exercise the lower back.

In addition, in the prior art, the spine, the cervical spine (neckbone), the thoracic spine (vertebral column) and the lumbar spine (backbone), which are curved, are supported by the curved state (S structure) as it is. To form a spinal curve by forming a horizontal support in the center of the vertical support and a vertical support for supporting the right spine back portion, the back of the chair back to the back movement is to straighten the waist in a curved state or its Since the effect is inadequate and each person has a different height or body shape, there is a problem that a chair suitable for each height or body shape should be provided.

In addition, when the lower back when the back movement, the backrest is formed integrally with the seat plate when the backrest is folded back, there is a problem that the spine is abnormal.

The present invention has been made to solve the above problems has the following object.

The functional chair that can maintain the correct posture by the waist stretching and angle adjustment device of the present invention is a connecting frame having elastic force by connecting the seat plate and the backrest, the waist stretching to allow the waist movement by tilting the waist backward while sitting and The purpose is to provide a functional chair that can maintain the correct posture by the angle adjustment device.

Another purpose of the functional chair that can maintain the correct posture by the waist stretching and angle adjusting device of the present invention can maintain the correct posture by the waist stretching and angle adjusting device to adjust the angle of the back according to the user's body shape. The purpose is to provide a functional chair.

Another purpose of the functional chair that can maintain the correct posture by stretching the waist and the angle adjusting device of the present invention is to improve the work efficiency by performing the work in the correct posture, and to prevent the occurrence of diseases such as disk health It is an object of the present invention to provide a functional chair capable of maintaining a correct posture by stretching and angle adjustment device of the waist so as to enhance the height.

The present invention for achieving the above object includes the following embodiments.

According to the first embodiment of the present invention, the functional chair capable of maintaining the correct posture by the stretching and angle adjustment device of the present invention is a leg consisting of a body to which a plurality of support members formed with wheels are fastened to facilitate movement; ; A seat plate fastened with a screw to an upper portion of the body of the leg so that rotation and height are adjustable; An armrest which is fastened to both sides of the seat plate so that the arm can be placed and used when using the seat plate of the computer so as to perform a task in a more correct posture; The bottom of the seat plate is fastened with a bolt, a fastening groove is formed so that one side of the connection frame can be fastened, one end of the connection frame is fastened with a bolt, and one side is fastened to the connector and one side will be described below. A connection member having a connection frame fastened by a bolt to the backrest angle adjusting device which is fastened to the backrest; A backrest fastened through a connecting frame to an upper side of the seat plate; A backrest angle adjusting device for adjusting an angle of the backrest; And a head restraint.

According to the second embodiment of the present invention, the backrest angle adjusting device of the functional chair capable of maintaining the correct posture by the stretching and angle adjusting device of the present invention is fastened as a bolt on the back of the backrest and is in a "c" shape. A fixing bracket provided with a fastening member having a fastening member fastened to the backrest and extending from both sides of the fastening member, and having an extension piece having a hole to which the torsion spring is fastened; The body is fastened to the fixing bracket, is formed in a "c" shape, the connection frame is fastened to the center is provided with a body formed with a fastening protrusion formed with an insertion portion for inserting the connection frame, and bent by extending both sides of the body A hole is formed to correspond to a hole formed in the extension piece of the fixing bracket, and has an extension piece to which the tension spring which is fastened to the rotating pin through the hole is formed, and a hole is formed in the body and the fastening protrusion. The angle adjuster is fastened through the hole to adjust the angle of the backrest, characterized in that it comprises a rotating bracket.

According to the third embodiment of the present invention, the functional chair that can maintain the correct posture by the stretching and angle adjustment device of the present invention is the screw inserted angle when rotating the angle adjuster formed on the rear side of the rotating bracket of the connecting frame Since the fixing bracket formed on the back of the backrest is pushed forward while advancing the adjusting mechanism, the lower part of the backrest moves forwardly around the rotational part so as to accurately support the lumbar region of the spine according to the user's body shape. Since the torsion spring installed on the outside of the torsion spring continuously pushes the lower part of the backrest toward the rear toward the center of the connection part, when the angle adjusting device is rotated in reverse, the angle adjusting device is moved backwards to the torsion spring around the rotating part. So that the lower end of the backrest moves to the rear It characterized in that one to adjust the angle of the back portion to fit the user.

According to the fourth embodiment of the present invention, the functional chair that can maintain the correct posture by the stretching and angle adjustment device of the present invention when the user is in close contact with the back to the back when applying a force to the back The backrest is pushed backward and connected by the elastic connecting frame, and the backrest is rotated backwards, and is rotated by a certain angle around the rotation pin of the angle adjusting device formed on the backrest, so that the torsion spring is compressed when the torsion spring is compressed. The lower part pushes the waist to the front so that the back can be tilted back even when the waist is not applied to the waist. As shown above, when the waist is retracted at a predetermined angle and the force applied is recovered, the connecting frame having the elastic force and the compression The backrest, which was rotated by the elasticity of the torsion spring, was restored to its original position. Repeated several times by the positive features that allow the waist movement.

Applicants will be described in detail below with reference to the accompanying drawings, the coupling relationship and the working state of the present embodiments.

Figure 2 is a bottom exploded perspective view showing a functional chair capable of maintaining the correct posture by the stretching and angle adjustment device of the waist of the present invention, Figure 3 can maintain the correct posture by the stretching and angle adjustment device of the waist of the present invention Bottom perspective view of a functional chair.

Functional chair capable of maintaining a correct posture by stretching and angle adjustment device of the present invention is the leg 100, the seat plate 200, the armrest 300, the connecting member 400, the backrest 500 , Backrest angle adjusting device 600 and the headrest 700 is included.

The leg 100 is formed by fastening a plurality of support members 120 on which wheels 130 are formed to facilitate movement to the body 110 to which the seat plate 200 is screwed.

The seat plate 200 is fastened with a screw 310 on the upper portion of the body 110 of the leg 100 is formed to be adjustable in rotation and height.

The armrest 300 is fastened to both sides of the seat plate 200 so that the arm can be placed on the armrest 300 and used when the seat plate of the computer is used, so that the work can be performed in a more correct posture.

The connection member 400 is provided below the seat plate 200 and includes a connector 410 and a connection frame 430 having an elastic force.

The connector 410 of the connection member 400 is fastened to the lower portion of the seat plate 200 by a bolt, a fastening groove 411 is formed so that one side of the connection frame 430 can be fastened, the connection frame 430 One side of is fastened with bolts.

One side of the connection frame 430 is fastened with a bolt to the backrest angle adjusting device 600 which is fastened to the backrest 500 to be described below.

The backrest 500 is fastened through a connecting frame 430 on the upper side of the seat plate 200.

The back of the back 500 is provided with a back angle adjusting device 600.

The backrest angle adjusting device 600 includes a fixing bracket 610, a rotating bracket 630, a dossion spring 650, a rotating pin 670 and an angle adjusting device 690.

The fixing bracket 610 of the angle adjusting device 600 is fastened as a bolt on the back of the backrest 500 and a fastening member 611 to which the rotating pin 670 to which the torsion spring 650 is fastened is formed. .

The fastening member 611 is formed of a fastening piece 6111 which is fastened to the backrest 500 in a "c" shape and an extension piece 6113 formed by extending both sides of the fastening piece 6111 and then bending.

The extension piece 6113 is formed with a hole 6115 to which the torsion spring 650 is fastened.

The fixing bracket 610 is fastened to the rotating bracket 630, the rotating bracket 630 is the body 631 and the extension piece 633 formed on one side of the body 631 and the extension piece 633. And a fastening protrusion 637 to which the hole 635 and the connection frame 430 are fastened to each other.

The body 631 is formed with an extension piece 633 which is bent by extending both sides of the body 631 in a "c" shape, and the extension piece 633 has an extension piece of the fixing bracket 610. A hole 635 is formed to correspond to the hole 6115 formed in the 6113, and the tension spring 650 fastened to the rotation pin 670 is fastened through the holes 6151 and 635.

A fastening protrusion 637 is formed at the center of the body 631 to which the connection frame 430 is fastened, and an inserting portion 6637 is formed at the fastening protrusion 637 to insert the connection frame 430. .

The body 631 and the fastening protrusion 637 are formed through a hole 691 through which the angle adjuster 690 is fastened through the hole 691 to adjust the angle of the backrest, which will be described later. Shall be.

The head restraint 700 is fastened to an upper side of the backrest 500, and the head restraint 700 is configured to change the height according to the height of the user.

Hereinafter, a description will be given of the operation state with reference to the accompanying drawings.

Figure 4 is a side view showing a backrest angle adjustment state of the functional chair that can maintain the correct posture by the waist stretching and angle adjusting device of the present invention, Figure 5 is a posture corrected by the waist stretching and angle adjusting device of the present invention Side view showing the working state of the functional chair that can maintain.

 In order to adjust the angle of the backrest 500, as shown in FIG. 4 by rotating the angle adjuster 690 formed on the rear side of the rotating bracket 610 of the connecting frame 430, the screw inserted angle adjusting device 690 As the forward movement of the backrest 500 is fixed to the fixing bracket 630 formed on the back, the lower part of the backrest 500 is moved forwardly around the rotational part, so the lumbar region of the spine is precisely supported according to the user's body shape. I can give it.

In addition, since the torsion spring 670 installed on the outside of the rotary pin 650 continues to push the lower end of the backrest 500 toward the rear toward the center of the connection portion, thereby rotating the angle adjuster 690 reversely. When the angle adjuster 690 is reversed, the lower end of the backrest 500 is moved to the rear by the torsion spring 650 around the rotating part.

In this way, by adjusting the angle of the backrest 500 to the user to be able to sit in the correct posture can be obtained a very important effect on the waist health.

And, as shown in Figure 5 when the user wants to exercise the back and close to the backrest 500, the force applied to the back by the connecting frame 430 is fastened to the upper third point of the backrest The connected backrest 500 is primarily pushed back and rotated.

In addition, a certain angle is rotated around the rotation pin 670 of the angle adjusting device 600 formed in the backrest 500, thereby the torsion spring 650 is compressed.

At this time, the backrest is in close contact with the waist and the front of the back to support the lumbar region of the spine. When the force is applied, the backrest 500 is secondarily pushed back and thus the lower part is pushed to the front at the same time as the lower part is lifted to the top. As a result, the back can be flipped back even when the waist is not exerted, and the backrest can be flipped up to about 220 ° by stretching the backrest as above. Could  Will be.

The ordinary chair loses its back when the back is tilted by about 150 ° or more, whereas the original chair can be tilted back as described above by the lever principle. It raises the backrest to about 220 ° because it raises the seat and the hip accordingly.

After recovering the force applied after the waist is tilted at a predetermined angle as described above, the back frame 500 that has been rotated by the elasticity of the connecting frame 430 having elastic force and the compressed torsion spring 650 is restored to the original position and the By repeating the process several times, you will be able to exercise and stretch your back.

The present invention described above is not limited to the above-described embodiment and the accompanying drawings, it is possible that various substitutions, modifications and changes within the scope without departing from the technical spirit of the present invention belongs to the technical field It will be apparent to those of ordinary skill in Esau.

The present invention has the following effects by the above configuration.

The functional chair that can maintain the correct posture by the stretching and angle control device of the present invention has the effect of stretching and back movement by aside the waist in the back state by connecting the backrest with a connecting frame having elastic force.

In addition, the functional chair that can maintain the correct posture by the stretching and angle control device of the present invention has the effect that the backrest can be restored to its original state after stretching and back movement by connecting the backrest with a connection frame having elastic force.

In addition, the functional chair that can maintain the correct posture by stretching the waist and the angle adjustment device of the present invention is able to adjust the angle of the backrest to the user's body through the backrest angle adjustment device to perform the work in the correct posture There is.

In addition, the functional chair that can maintain the correct posture by stretching the waist and the angle adjustment device of the present invention improves the work efficiency by performing the work in the correct posture, and improve the health of the people by preventing the occurrence of diseases such as disk It works.

Claims (4)

In the functional chair, A leg composed of a body to which a plurality of support members formed with wheels are fastened for movement; A seat plate fastened with a screw to an upper portion of the body of the leg so that rotation and height are adjustable; An armrest which is fastened to both sides of the seat plate so that the arm can be placed and used when using the seat plate of the computer so as to perform a task in a more correct posture; A connection groove which is fastened to the lower part of the seat plate by a bolt, and a fastening groove is formed so that one side of the connection frame can be fastened, and one side of the connection frame is fastened by a bolt; One side is connected to the connector and one side according to the connection member is provided with a connection frame is fastened by a bolt to the backrest angle control device is fastened to the backrest; A backrest fastened through a connecting frame to an upper side of the seat plate; A backrest angle adjusting device for adjusting an angle of the backrest; Functional chair capable of maintaining a correct posture by stretching and angle adjustment device of the waist, characterized in that it comprises a head restraint. The method of claim 1, The backrest angle adjusting device is fastened as a bolt on the back of the backrest and is formed by extending both sides of the fastening piece fastened to the backrest in the shape of the "c" and the fastening piece and bent and formed with a hole to which the torsion spring is fastened. A fixing bracket having a fastening member having; The body is fastened to the fixing bracket, is formed in a "c" shape, the connection frame is fastened to the center is provided with a body formed with a fastening protrusion formed with an insertion portion for inserting the connection frame, and bent by extending both sides of the body A hole is formed to correspond to a hole formed in the extension piece of the fixing bracket, and has an extension piece to which the tension spring which is fastened to the rotating pin through the hole is formed; The angle adjuster is fastened through the hole to adjust the angle of the backrest, characterized in that it includes a rotating bracket, the functional chair capable of maintaining the correct posture by stretching and angle adjustment device of the waist. The method of claim 2, When rotating the angle adjuster formed on the rear side of the rotating bracket of the connecting frame is to push the fixed bracket formed on the back of the back while advancing the angle adjuster inserted into the screw, so the lower end of the backrest is moved forward with respect to the rotating part According to the user's body to support the lumbar region of the spine accurately, and the torsion spring installed on the outside of the rotary pin will continue to push the lower part of the backrest toward the rear toward the center of the connection portion so that the angle adjuster When the rotation is reversed, the angle adjustment mechanism is reversed while the lower portion of the backrest is moved to the rear by the torsion spring around the rotational part, so that the angle of the backrest can be adjusted to the user. Right person by angle adjusting device Maintain a functional chair that can be. The method according to claim 1 or 2, When the user wants to exercise the waist, the backrest is pushed backwards by applying a force to the backrest and the backrest is pushed backward and the backrest connected by the elastic connecting frame is rotated backwards, and the rotation of the angle adjusting device formed on the backrest When the torsion spring is compressed, the lower part of the backrest pushes the lower part of the back to the front so that the back can be flipped back without applying great force to the waist. After recovering the force exerted at a predetermined angle, the connecting frame having elasticity and the backrest rotated by the elastic force of the compressed torsion spring are restored to their original positions, and the waist motion can be repeated by repeating the above process several times. Corrected by stretching and angle adjustment device of the waist, characterized in that Maintain a functional chair that can be.

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