KR20170058580A - Back chair - Google Patents

Back chair Download PDF

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Publication number
KR20170058580A
KR20170058580A KR1020150162338A KR20150162338A KR20170058580A KR 20170058580 A KR20170058580 A KR 20170058580A KR 1020150162338 A KR1020150162338 A KR 1020150162338A KR 20150162338 A KR20150162338 A KR 20150162338A KR 20170058580 A KR20170058580 A KR 20170058580A
Authority
KR
South Korea
Prior art keywords
lumbar support
guide shaft
frame
backrest
support portion
Prior art date
Application number
KR1020150162338A
Other languages
Korean (ko)
Inventor
이재현
박범전
박준성
Original Assignee
이재현
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 이재현 filed Critical 이재현
Priority to KR1020150162338A priority Critical patent/KR20170058580A/en
Publication of KR20170058580A publication Critical patent/KR20170058580A/en

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/42—Support for the head or the back for the back of detachable or loose type
    • A47C7/425—Supplementary back-rests to be positioned on a back-rest or the like

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  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

The present invention relates to a back chair, which can more easily pressurize left and right surrounding muscle portions of the lumbar of a seated person to perform acupressure treatment. Therefore, the seated person feels comfortable in a state in which a chest portion is puffed out, and a using sense is very excellent. Moreover, waist correction efficiency of the seated person can be significantly improved. According to the present invention, the back chair comprises: a hip mounting portion; a backrest portion; and a lumbar support portion.

Description

{Back chair}

The present invention can easily press the left and right muscles around the lumbar spine of the seated person, thereby making it possible to pressurize the seat, thereby enabling the seated person to feel comfort with the chest extended. The present invention relates to a backrest chair which can be greatly improved.

Generally, the chair is designed to allow the upper back of the chair to closely contact the upper back of the chair so that the upper body can maintain a comfortable and stable posture for a long time. In recent years, the limited movement of the backrest plate An apparatus for adjusting the angle of a chair back which can easily release the fatigue of a rigid upper body while sitting on a chair by enlarging a width at which the upper body can move is proposed in Korean Patent Laid-Open Publication No. 10-2003-0050541 .

However, in the above-mentioned Korean Patent Laid-Open Publication No. 10-2003-0050541 (angle adjusting device of a chair backrest), since the backrest usually squeezes the left and right parts of the waist of the seated person, Not only is it not good, but also there is a problem in that it is not possible to pursue the effect of waist correction through the back.

Korean Patent Laid-Open Publication No. 10-2003-0050541

The present invention has been made in order to overcome the above-mentioned problems, and it is an object of the present invention to provide a method and an apparatus for applying pressure to the left and right peripheral muscles of a seated person, And it is an object of the present invention to provide a backrest chair which not only is very excellent but also can greatly improve the waist calibrating efficiency of a seated person.

According to an aspect of the present invention, A backrest provided on a rear side of the buttock receiving portion and made of any one of leather, cloth, and mesh type; And a lumbar support which is provided on one side and the other side of the back support unit and includes a lumbar support unit and a lumbar support unit that respectively support the lumbar support of the seated person.

Here, the lumbar support may be formed as a convex arcuate shape from the front side of the lumbar support to the back side of the lumbar support.

Preferably, the lumbar support is moved back and forth in the back support unit to adjust the position.

To this end, a frame having the lumbar support portion is provided at the rear side of the back support portion, a guide shaft extending at a predetermined length in the forward and backward direction is rotatably provided at one side of the frame and at the other side of the frame, And the support portion is moved back and forth from the back side of the backrest portion toward the front side of the backrest portion by rotation of the guide shaft in a state where the support portion is threadedly engaged with the guide shaft.

Alternatively, the lumbar support may be moved to the left or right by the back support unit.

To this end, a frame having the lumbar support portion is provided on the rear side of the back support portion, and a guide shaft extending in a left and right direction with a predetermined length is rotatably provided on one side of the frame and the other side of the frame, And the supporting portion is adjusted in position by being moved leftward and rightward from one side of the backrest portion to the other side of the backrest portion by rotation of the guide shaft in a state of being screwed to the guide shaft.

Alternatively, the lumbar support may be vertically moved by the back support unit.

A frame having the lumbar support portion is provided on the rear side of the back support portion, a guide shaft extending in a predetermined length in the vertical direction on one side of the frame and on the other side of the frame,

Wherein the lumbar support is moved in a vertical direction of the backrest by rotation of the guide shaft in a state where the lumbar support is screwed to the guide shaft, and the position is adjusted.

Alternatively, the lumbar support may be vertically moved in the back-and-forth, right-and-left and up-and-down directions in the backrest.

To this end, a frame is provided on the rear side of the backrest portion; And a position adjusting unit provided on one side of the frame and the other side of the frame for adjusting the position by moving the lumbar support in the forward, backward, left and right directions, and the position adjusting unit is rotatable about one side of the frame and the other side of the frame, A first guide shaft extending in the direction of the first guide shaft; A front and rear moving body which is moved in a forward and backward direction of the first guide shaft by rotation of the first guide shaft in a state of being screwed to the first guide shaft and adjusted in position; A second guide shaft extending in the left-right direction so as to be rotatable on the front and rear moving bodies; A left and right moving body that is moved in a lateral direction of the second guide shaft and is positioned by rotation of the second guide shaft in a state of being screwed to the second guide shaft; And a third guide shaft extending in the vertical direction so as to be rotatable on the left and right moving bodies and rotating in a state where the lumbar support part is screwed to move the lumbar support up and down.

The lumbar support portion provided on the back support portion can press the left and right peripheral muscle portions of the lumbar vertebrae in the forward direction of the seated person to more easily press and apply pressure, and in addition, It is possible to feel comfort without feeling a pressure on the part, so that the feeling of use is excellent, and further, the waist calibrating efficiency of the seated person can be greatly improved.

1 is a front view schematically showing a backrest chair according to the present invention,
Fig. 2 is a rear view of Fig. 1,
3 is a sectional view taken along the line A-A in Fig. 1,
4 is a cross-sectional view schematically showing a state in which the lumbar support portion is advanced,
5 is a cross-sectional view schematically showing a lumbar support which is moved to the left and right,
6 is a rear view schematically showing a lumbar support which is moved up and down,
7 is a rear view schematically showing the position adjusting portion,
FIG. 8 is a side view schematically showing the position adjusting portion of FIG. 7,
9 is a cross-sectional view taken along the line B-B in Fig.
10 and 11 are sectional views schematically showing a state in which the lumbar support is formed in various shapes.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. It is to be understood that the scope of the present invention is not limited to the following embodiments, and various modifications may be made by those skilled in the art without departing from the technical scope of the present invention.

Fig. 1 is a front view schematically showing a backrest chair according to the present invention, and Fig. 2 is a rear view of Fig. 1. Fig.

As shown in Figs. 1 and 2, the backrest chair of the present invention largely comprises a buttock seating portion 10, a backrest portion 20, and a lumbar support portion 30.

First, the buttock seating portion 10 seats and supports the buttocks of the seated person.

Next, the backrest portion 20 is provided at an upper rear portion of the buttock seating portion 10,

The backrest unit 20 may be made of any one of leather, cloth, and mesh type.

Next, the lumbar support portion 30 includes one lumbar support portion 310 and the other lumbar support portion 320.

The one-side lumbar support portion 310 is provided on one side of the back support portion 20 so as to be positioned on the rear side opposite to the front side of the back support portion 20.

The other side lumbar support part 320 is provided on the other side of the back support part 20 so as to be positioned on the back side of the back support part 20.

The lumbar region of the seated person is located in a space S formed between the one-side lumbar support portion 310 and the other-side lumbar support portion 320.

The other side opposite to the one side of the one-side lumbar support portion 310 can pressurize and pressurize the peripheral muscles of the left side of the lumbar region of the seated person. One side of the other side lumbar support portion 320 presses the peripheral muscles of the right side of the lumbar region of the seated person, So that the seat occupant's chest area is unfolded so that the occupant can feel comfortable.

Fig. 3 is a sectional view taken along the line A-A in Fig. 1, and Fig. 4 is a sectional view schematically showing a state in which the lumbar support is advanced.

The lumbar support 30 is supported by the lumbar support 30 at a front side of the lumbar support 30 so that the lumbar support 30 can more effectively press the left and right muscles of the lumbar support. As shown in FIG.

3 and 4, the lumbar support portion 30 is provided with a lumbar support portion 30 for supporting the lumbar support portion 30 and the lumbar support portion 30 so as to more easily control the pressing intensity of the lumbar support portion 30, And can be moved back and forth by the seated person to the receiving portion 20 and the position thereof can be adjusted.

For this purpose, for example, a frame 210 having the lumbar support 30 may be integrally installed on the rear side of the backrest 20.

A guide shaft 40 may be provided on one side of the frame 210 and on the other side of the frame 210, the guide shaft 40 extending in a longitudinal direction.

The rear side of the guide shaft 40 may be rotated in normal and reverse directions by a seated person in a state where the rear side of the guide shaft 40 is coupled to one side of the frame 210 and the other side of the frame 210.

The rear side of the lumbar support 30 can be inserted into the guide groove 211 formed at one side of the frame 210 and the other side of the frame 210. [

The lumbar support portion 30 is rotated from the rear side of the back support portion 20 by the normal rotation of the guide shaft 40 in a state where the rear side of the lumbar support portion 30 is screwed to the guide shaft 40, Can be moved in the front direction of the backrest portion 20 and in the backward direction of the backrest portion 20 from the front side of the backrest portion 20, respectively.

When the lumbar support portion 30 is gradually moved toward the front side of the backrest portion 20, the front side of the lumbar support portion 30 presses the backrest portion 20 toward the front side of the backrest portion 20 .

As the lumbar support 30 advances, the pressing strength of the lumbar support 30 pressing the left and right peripheral muscles of the seated lumbar can be gradually increased. As the lumbar support 30 is further backward, The pressing force of the lumbar support 30 that presses the lumbar region can be gradually reduced.

5 is a cross-sectional view schematically showing a lumbar support which is moved to the left and right.

Alternatively, the lumbar support portion 30 may be adjusted in position by moving the lumbar support portion 20 left and right according to the body structure of the seated person, such as the width of the upper body of the seated person.

For example, as shown in FIG. 5, a guide shaft 40 may be provided on one side of the frame 210 and on the other side of the frame 210 to extend in the left-right direction.

The guide shaft 40 can be rotated normally or reversely by a seated person in a state where one side or the other side of the guide shaft 40 is coupled to one side and the other side of the frame 210 respectively.

A guide slit 212 may be formed on one side of the frame 210 and on the other side of the frame 210 so as to extend leftward and rightward from the one side of the frame 210 to the other side of the frame 210 .

The rear side of the lumbar support 30 may be received in the guide slit 212 so as to be movable left and right from one side of the guide slit 212 in the other direction.

The lumbar support portion 30 is supported by the back support portion 20 by the guide shaft 40 rotated in normal and reverse directions by a seated person in a state where the rear side of the lumbar support portion 30 is screwed to the guide shaft 40, And can be adjusted in position by moving left and right in the other direction of the back support unit 20 from one side of the back support unit 20.

6 is a rear view schematically showing a lumbar support which is moved up and down.

Alternatively, the lumbar support portion 30 may be moved up and down in the back support portion 20 according to the body structure of the seated person, such as the length of the upper body of the seated person.

For this purpose, for example, as shown in FIG. 6, a guide shaft 40 may be provided on one side of the frame 210 and the other side of the frame 210, each extending in a predetermined length in the vertical direction.

The guide shaft 40 may be rotated in the forward and reverse directions by the seated person in a state where the upper portion of the guide shaft 40 is coupled to one side of the frame 210 and the other side of the frame 210.

A guide slit 212 may be formed on one side of the frame 210 and on the other side of the frame 210 so as to extend in a vertical direction of the frame 210 in a predetermined length.

The rear side of the lumbar support 30 can be received in the guide slit 212 so as to be movable in the vertical direction of the guide slit 212.

The lumbar support portion 30 is supported by the back support portion 20 by the guide shaft 40 rotated in normal and reverse directions by a seated person in a state where the rear side of the lumbar support portion 30 is screwed to the guide shaft 40, And can be adjusted in position.

FIG. 7 is a rear view schematically showing the position adjusting portion, FIG. 8 is a side view schematically showing the position adjusting portion of FIG. 7, and FIG. 9 is a sectional view taken along line C - C of FIG.

Alternatively, the lumbar support portion 30 may be moved up and down, right and left, and up and down in the backrest portion 20 to adjust its position.

7 to 9, a position adjuster 50 (see FIG. 7 to FIG. 9) is provided at one side of the frame 210 and at the other side of the frame 210 to adjust the position of the lumbar support 30 by moving the lumbar support 30 up, May be provided.

The position adjusting unit 50 includes a first guide shaft 510, a back and forth moving body 520, a second guide shaft 530, a left and right moving body 540, and a third guide shaft 550 Lt; / RTI >

The first guide shaft 510 may be extended in the forward and backward directions on one side and the other side of the frame 210 so as to be rotatable in normal and reverse directions by a seated person.

The rear side of the back and forth moving body 520 can be received back and forth in the guide groove 211 of the frame 210.

The forward and backward moving body 520 is rotated by the forward and backward rotation of the first guide shaft 510 in a state where the rear side of the forward and backward moving body 520 is screwed to the first guide shaft 510, Backward direction of the main body 510 and can be adjusted in position.

The second guide shaft 530 may be extended to a predetermined length in the left-right direction on the front side of the front-rear movable body 520.

One side or the other side of the second guide shaft 530 may be coupled to the front side of the front and rear moving body 520 so that the second guide shaft 530 can be rotated normally by a seated person.

The left and right moving body 540 is provided on the front side of the back and forth moving body 520 in a state of being screwed to the second guide shaft 530 and is rotated by the forward and backward rotation of the second guide shaft 530, The guide shaft 530 can be moved from one side of the guide shaft 530 to the other side to adjust its position.

The third guide shaft 550 may be extended to a predetermined length in the vertical direction on the front side of the left and right moving bodies 540.

The upper portion of the third guide shaft 550 may be coupled to the front side of the left and right moving bodies 540 so that the third guide shaft 550 can be rotated normally by a seated person.

The third guide shaft 550 may be rotated in the forward and reverse directions while the rear side of the lumbar support portion 30 is screwed to the third guide shaft 550 to adjust the position of the lumbar support portion 30 by moving the lumbar support portion 30 up and down.

10 and 11 are sectional views schematically showing a state in which the lumbar support is formed in various shapes.

Next, the front side of the lumbar support 30 may be formed into a convex arc shape in the forward direction of the lumbar support 30 as shown in FIG.

Alternatively, the lumbar support portion 30 may be formed in a plate shape as shown in FIG. 11, and the lumbar support portion 30 may be formed in various shapes.

The lumbar support portion 30 provided on the back support portion 20 can press the left and right lumbar region of the seated person more easily while pressing the seat back in the forward direction of the seated person, This makes it possible to feel comfort without feeling a pressure on the entire left and right portions of the waist in a state in which the seated person stretches the chest area, and thus the feeling of use is excellent, and furthermore, the waist calibrating efficiency of the seated person can be greatly improved.

10; A buttock seating portion, 20; Backrest,
30; Lumbar support.

Claims (10)

A buttock seating portion;
A backrest provided on a rear side of the buttock receiving portion and made of any one of leather, cloth, and mesh type;
And a lumbar support which is provided on one side and the other side of the back support unit and is composed of a one-side lumbar support unit and a second side lumbar support unit that respectively support the lumbar support of the seated person.
The method according to claim 1,
Wherein the lumbar support portion is formed in a convex arc shape in a rear direction of the lumbar support portion from a front side of the lumbar support portion.
The method according to claim 1,
And the lumbar support is moved back and forth in the backrest unit to adjust its position.
The method of claim 3,
A frame having the lumbar support portion is provided on a rear side of the back support portion,
A guide shaft extending in a longitudinal direction in a longitudinal direction is rotatably provided on one side of the frame and the other side of the frame,
Wherein the lumbar support portion is moved back and forth from the rear side of the backrest portion toward the front side of the backrest portion by rotation of the guide shaft in a state where the lumbar support portion is screwed to the guide shaft.
The method according to claim 1,
And the lumbar support is moved in the left-right direction in the backrest portion to adjust the position.
6. The method of claim 5,
A frame having the lumbar support portion is provided on a rear side of the back support portion,
A guide shaft extending in a predetermined length in a left-right direction is rotatably provided on one side of the frame and the other side of the frame,
Wherein the lumbar support is moved from one side of the backrest to the other side of the backrest by moving the guide shaft in a state where the lumbar support is screwed to the guide shaft, and the position of the backrest is adjusted.
The method according to claim 1,
And the lumbar support is vertically moved by the back support unit.
8. The method of claim 7,
A frame having the lumbar support portion is provided on a rear side of the back support portion,
A guide shaft extending in a vertical direction in a vertical direction is rotatably provided on one side of the frame and the other side of the frame,
Wherein the lumbar support is moved in a vertical direction of the backrest by rotation of the guide shaft in a state where the lumbar support is screwed to the guide shaft, and the position is adjusted.
The method according to claim 1,
And the lumbar support is moved up and down, right and left, and up and down in the backrest.
10. The method of claim 9,
A frame on the rear side of the backrest portion;
And a position adjusting unit provided on one side of the frame and the other side of the frame for adjusting the position of the lumbar support by moving the lumbar support up, down, left,
The position adjusting unit includes a first guide shaft extending in the front-rear direction so as to be rotatable on one side of the frame and the other side of the frame;
A front and rear moving body which is moved in a forward and backward direction of the first guide shaft by rotation of the first guide shaft in a state of being screwed to the first guide shaft and adjusted in position;
A second guide shaft extending in the left-right direction so as to be rotatable on the front and rear moving bodies;
A left and right moving body that is moved in a lateral direction of the second guide shaft and is positioned by rotation of the second guide shaft in a state of being screwed to the second guide shaft;
And a third guide shaft extending in the vertical direction to be rotatable on the left and right moving bodies and rotating in a state where the lumbar support part is threaded to move the lumbar support up and down to adjust the position thereof. Backrest chair.
KR1020150162338A 2015-11-19 2015-11-19 Back chair KR20170058580A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150162338A KR20170058580A (en) 2015-11-19 2015-11-19 Back chair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150162338A KR20170058580A (en) 2015-11-19 2015-11-19 Back chair

Publications (1)

Publication Number Publication Date
KR20170058580A true KR20170058580A (en) 2017-05-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150162338A KR20170058580A (en) 2015-11-19 2015-11-19 Back chair

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