KR20170095495A

KR20170095495A - Tailor-made chair

Info

Publication number: KR20170095495A
Application number: KR1020160016935A
Authority: KR
Inventors: 강직원; 최경자
Original assignee: 강직원
Priority date: 2016-02-15
Filing date: 2016-02-15
Publication date: 2017-08-23

Abstract

The present invention relates to a back-adjustable chair for protecting a backbone. In the back-adjustable chair for protecting a backbone composed of multiple supporting legs (110), a seat unit (200), a back unit (300), a lumbar supporting unit (400); and a seat-back connecting bracket (500), the seat-back connecting bracket (500) includes: a first surface (510) joined to one side of the seat unit (200); a second surface (520) protruding from an end of the first surface (510) to be extended in a vertical direction and coupled to one side of the back unit (300); a back height adjusting unit (530) equipped in the second surface (520) to move the back unit (300) in a vertical direction according to a users sitting height; and a locking protrusion (540) enabling the back height adjusting unit (530) to move within a predetermined range and fixating the moved back height adjusting unit (530) at the same time. The back-adjustable chair for protecting a backbone is capable of naturally guiding the user to sit in a correct posture by accurately supporting the lumbar while the user, even a tall person, sits regardless of height, thereby obtaining the effects of providing comfort and improving the backbone health of the user.

Description

{Tailor-made chair}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a backrest adjusting chair for protecting a spine, and more particularly, to a backrest adjusting chair capable of adjusting a height of a lumbar support to a user's lumbar vertebra The present invention relates to a backrest adjusting seat for protecting a backbone which protects and supports a user's lumbar vertebra by providing an ergonomic customized chair capable of sitting on the back of the vertebra,

In general, the spine consists of an "S" -shaped joint structure from the neck to the hip of a person.

These vertebrae are made up of cervical vertebrae, thoracic vertebrae, lumbar vertebrae and sacral bones (tail bone). The neck part is called the cervical vertebra, the thoracic part is called the thoracic vertebra, and the lower part is called the lumbar vertebra and the sacral vertebra.

Particularly, the lumbar part is called the waist, and the pain in the part is called the waist disc.

Particularly, in a human being upright, the load of the body is transmitted to the lumbar region most of the time.

In this way, the waist disc, which is a lot of people suffering from pain, is delivered with the lowest load when lying down, the pain is the weakest, the next is when standing, and when the pain is the most, the waist is bent and the load is applied to the spine the greatest It is when you take a sitting position on the floor.

As described above, since a person stands upright and basically a waist disk is inevitably triggered, the chair is one of the most convenient tools for human life, but most of conventional chairs have a role of sitting It is hard to find a chair that is designed considering the spine health of a person even when sitting on a chair.

Furthermore, the position of the lumbar vertebrae varies according to the height of the person who is seated and height of the seated person.

However, most conventional chairs do not accurately define the position of the lumbar vertebrae relative to the sitting height of the person, and only the height of the chair itself can be adjusted according to the height of the user. I can not.

To solve this problem, as shown in Fig. 5 (a) as a prior art related to a backrest adjusting seat for spine protection, a "customized chair" (hereinafter referred to as "precedent") of Korean Registered Patent No. 10-0813218 (Hereinafter referred to as " technique 1 ") includes a seat plate on which a user's hips are seated, a seat plate formed separately from the seat plate and formed in the same shape as a back portion of the user, And a cervical vertebra that is formed in the same shape as the cervical vertebrae of a user who is seated on the back of the backrest and partially supports the cervical vertebra of the user by supporting the cervical vertebrae on both sides A waist width (c), a shoulder width (d), a shoulder width (c), and a shoulder width (d) A chair support which satisfies the relation of a: b: c: d: e = 1: 0.681 to 0.729: 0.492 to 0.527: 0.667 to 0.744: 0.264 to 0.296, And the intermediate cross member is formed to be long in left and right directions, and is connected to the elastic member by fastening bolts at left and right ends, and the elastic member is coupled to the back portion by bolts at upper and lower ends.

As another prior art, as shown in Fig. 5 (b), the backrest control chair of spine protection (hereinafter referred to as " Prior Art 2 ") of Korean Patent Registration No. 10-1028369, Is provided with a backrest for lumbar protection on the inside of the backrest structure and a rack and pinion structure is adopted for the backrest and the backrest so that the backrest is slid up and down so that the backrests can slide up and down at the same rate, The backrest and the backrest are appropriately adjusted to suit the seat height of the sitting person so that they can be used flexibly so as to effectively protect the spine joints of the user's back and back and neck. .

Accordingly, although the prior arts 1 and 2 are superior to the conventional arts, they are designed to protect the user's spine by providing a customized chair suitable for the user's height. However, There was a limit to technology that could not be covered.

Korean Registered Patent No. 10-0813218 (Mar. 3, 2008) Korean Registered Patent No. 10-1028369 (April 04, 2011)

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art,

According to the present invention, it is an object of the present invention to provide comfort and comfort to the user by providing a backrest-adjustable chair suitable for a spinal guard even for a body shape of 189 [cm] or more regardless of the height of the user.

Another object of the present invention is to accurately support and protect the position of the user's lumbar spine in accordance with the sitting height of the user so that the user's spine can be corrected even in a long sitting position to prevent the spine from being bent.

In order to accomplish the above object, the present invention has been made to solve the above problems,

A back plate coupled to the support leg and adapted to receive the user's hips so that the user can sit on the back plate, a back plate formed in the same shape as the back portion of the user, A lumbar support for supporting the lumbar support of the user corresponding to the position of the lumbar spine in accordance with the seat height of a seated user coupled with the backrest, and a seatback back connection bracket for connecting the seat back and the backrest, As a result,

The seat back connection bracket includes:

A first surface coupled to one side of the seat plate;

A second surface extending perpendicularly to the first surface end portion with respect to the first surface and coupled to one side of the back portion;

A backrest height adjuster provided on the second surface so as to move the backrest up and down according to the height of the user's seat; And

And a locking jaw for allowing the backrest height adjusting unit to move within a predetermined range and fixing the moved back height adjusting unit,

And the height of the backrest is adjusted at the same time as the backrest is moved by the combination of the backrest height adjusting portion and the lumbar support portion which are fixed to the backrest portion when the backrest portion is vertically adjusted by the user.

At this time, the lumbar support moves equally up and down according to the movement of the back part in accordance with the position of the lumbar part of the user within the range of 160 [cm] to 229 [cm] 229 [cm] to be fixed to the backrest portion so that the user can lean his back on the backrest portion.

In addition, when the user, who is within the range of 160 cm to 229 cm, adjusts the height of the backrest so that the backrest height adjuster fixed to the backrest can move within a certain range .

It should be understood, however, that the terminology used herein is for the purpose of describing the claimed invention in its broadest possible form and should not be construed in a limiting sense. It should be construed as meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It is to be understood that equivalents and modifications are possible.

As described above, according to the present invention,

By providing a backrest-adjustable chair that can sit comfortably up to 189 [cm] regardless of the height of the user, it protects the user's back, back, spine and neck effectively to maintain comfort and proper posture So as to prevent the user's neck disk and the back disk.

Further, by supporting the user's lumbar vertebrae using the backrest adjusting seat of the present invention, the user's vertebrae are corrected even in a long sitting position, thereby preventing the vertebrae from being bent, thereby improving the user's spinal health.

In addition, since the seat plate and the backrest are separately formed, the backrest can be restored to within 125 [deg.] Based on the seat plate while maintaining the position of the user's lumbar spine, have.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a backrest adjusting seat of a spine guard according to the present invention; FIG.
FIG. 2 is an exploded perspective view of a backrest adjusting seat of a spine guard according to the present invention.
Fig. 3 shows an embodiment of the coupled state of the backrest adjusting and adjusting chair according to the present invention.
FIG. 4 shows reference data on the height of the lumbar support according to the elongation of a user who can use the backrest adjusting seat of the present invention.
FIG. 5 is a representative view of the prior art for a backrest adjusting seat of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the configuration and operation of a backrest adjusting and adjusting chair according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view of a backrest adjusting seat of a spine guard according to the present invention, and FIG. 2 is an exploded perspective view of FIG.

A seat plate 200 coupled with the support leg 100 to seat the user's hips so that the seat can be seated by the user, A lumbar support unit 400 coupled to the back support unit 300 for supporting and supporting the back of the user, a lumbar support unit 400 supporting the user's lumbar support corresponding to the position of the lumbar support according to the sitting height of the user, And a seat back link connection bracket (500) for connecting the backrest part (200) and the backrest part (300)

The seat back connection bracket (500)

A first surface 510 coupled to one side of the seat plate 200;

A second surface 520 protruding from the first surface 510 in a direction perpendicular to an end of the first surface 510 and coupled to one side of the back portion 300;

A backrest height adjusting unit 530 provided on the second surface 520 so as to move the backrest 300 up and down according to the height of the user's sitting height; And

And a latching jaw 540 for moving the backrest height adjusting unit 530 in a predetermined range and fixing the moved back height adjusting unit 530,

The backrest height adjusting portion 530 and the lumbar support portion 400 fixed to the backrest portion 300 when the backrest portion 300 is adjusted by the user to the height of the backrest portion 300 can be adjusted And the vertical height is adjusted simultaneously with the movement.

The seat plate 200 and the backrest 300 are separately provided as shown in FIGS. 1 to 3, and are connected / coupled by the seat back connection bracket 500 as described above.

This is to enable the user to move the backrest 300 up and down so that the backrest adjusting seat 1 is positioned at the sitting height of the seat while the user is seated on the seat board 200.

A certain portion of the first surface 510 of the seat back link connection bracket 500, which is a key structure for adjusting the height of the back portion 300, is fixedly coupled to one side of the seat panel 200, The distal end portion of a certain portion of the backrest portion 520 is fixed to one side of the back side of the backrest portion 300.

When the distal end of the certain portion of the second surface 520 is fixed to one side of the back surface of the back surface 300 and the lumbar support 400 is fixed to the lumbar support 400, The fifth gear 600 including the sixth gear 610 as the gear means as described above and the seventh gear 700 including the eighth gear 710 are respectively coupled.

This is because the fifth gear 600, the sixth gear 610, the seventh gear 700 and the eighth gear 710 are simultaneously driven by a gear ratio having respective ratios according to the movement of the backrest height adjusting portion 530 So that the lumbar support unit 400 moves up and down with the backrest height adjusting unit 530 at the same time.

3, the sixth gear 610 meshes with the fourth gear 420 formed on the lumbar support portion 400 and the fifth gear 600 meshes with the first gear 310 formed on the back portion 300, So that the lumbar support portion 400 moves simultaneously with the movement of the backrest height adjusting portion 530. As shown in FIG.

Similarly, the eighth gear 710 is engaged with the third gear 410 formed on the lumbar support portion 400 so as to be symmetrical with the fourth gear 420, and the seventh gear 700 is configured to be symmetrical with the first gear 310 And is engaged with the second gear 320 formed on the backrest portion 300.

Accordingly, when the user moves up and down the backrest 300 so as to be seated on the seat board 200 and aligns with the sitting key of the user, the backrest height adjusting unit 530 fixed to the backrest 300 moves, The fifth and seventh gears 600 and 700 react with each other as the first and second gears 310 and 320 formed on the first and second gears 300 and 300 move and the fifth and seventh gears 600 and 700 react, The third and fourth gears 410 and 420 formed on the lumbar support portion 400 as the sixth and eighth gears 610 and 710 included in the gears 600 and 700 move and the sixth and eighth gears 610 and 710 move, The height of the backrest 300 is adjusted by the user so that the lumbar support 400 can be accurately positioned on the lumbar vertebra of the user at the same time.

That is, one side of the second surface 520 is coupled to the lumbar support unit 400 with respect to the backrest 300, and the backrest 300 is fixed to the backrest 300 when the backrest 300 is vertically adjusted by the user (First and second gears) formed in the backrest 300 due to the backrest height adjusting portion 530 having the backrest height adjusting portion 530 and the gear means (third and fourth gears) formed on one side of the lumbar support portion 400, The lumbar support 400 moves up and down simultaneously with the upward and downward movement of the backrest 300 due to the organic coupling of the means (fifth, sixth, seventh and eighth gears).

At this time, the lumbar support unit 400 moves up and down in accordance with the movement of the back part 300 in accordance with the position of the lumbar part of the user within the range of 160 [cm] to 229 [cm] The portion 530 is also configured to be vertically adjustable by being fixed to the backrest 300 so that a user within the range of 160 cm to 229 cm can lean against the back of the backrest 300 .

When the user adjusts the height of the backrest 300 upwards and downwards, the engagement protrusions 540 formed on the backrest connection brackets 500 can move the backrest height adjustment unit 530 fixed to the backrests 300 within a certain range So that the backrest height adjusting unit 530 can move within a predetermined range and fix the moved back height adjusting unit 530 as described above.

The first gear 310, the second gear 320, the third gear 410, the fourth gear 420, the fifth gear 600, the sixth gear 610, the seventh gear 700, 8 gear 710 and the engagement jaw 540 should be formed on the basis of the reference data shown in FIG. 4, and a certain range of the engagement jaw 540 is formed with a width of 25 [cm] or more in the vertical direction desirable.

4, if the backrest 300 is manufactured in accordance with a user having a height of, for example, 229 [cm], the length of the backrest 300 is required to be 111 [cm] The chair is produced in a size exceeding about 200 [cm], so that the chair becomes bulky, making it difficult to handle the chair easily, and causing various inconveniences such as packaging and delivery.

Therefore, it is preferable that the backrest 300 is formed at a predetermined height from the bottom to the cervical vertebrae 7 but not up to the cervical vertebrae 7, as shown in FIG. 4, For optimum design of the adjusting and adjusting chair 1, it is necessary to further include a headrest 800 capable of height adjustment.

1 to 3, the headrest 800 is formed so as to be adjustable in height at the upper end of the backrest 300, and the specific shape and characteristics of the headrest 800 are disclosed in Korean Patent Publication No. 10-10349 ("Cervical spine customized headrest").

That is, the user is seated on the backrest adjusting seat 1 of the present invention to adjust the backrest 300 to match the position of the lumbar vertebrae in his or her sitting key, It adjusts the height and supports the user's cervical spine to provide comfort and comfort.

In addition, the backrest-adjusting seat 1 for a spine guard according to the present invention is configured such that the backrest 300 is positioned at a predetermined inclination within 125 [deg.] With respect to the seat plate 200, A separate structure may be added at a position where the first surface 510 of the seat 500 and the seat plate 200 are coupled.

This is a function that is commonly found in conventional chairs, and thus a detailed description thereof will be omitted.

However, unlike the conventional chair, the present invention can support the user's lumbar spine position and can be laid back so that a comfortable sleeping state can be induced for a long time in a sitting position in a chair.

The backrest connecting bracket 500 is formed of a strong and resilient material so that the backrest 300 can be stably supported when the backrest 300 is laid at a predetermined inclination .

In summary, the present invention allows the lumbar support portion 400, which moves simultaneously due to the height adjustment of the back portion 300, to accurately support the position of the lumbar vertebrae in the sitting position of the user, The cervical spine can be supported by the headrest 800 which can be adjusted up and down in the case of a tall body shape so that the cervical spine can naturally be seated in the chair in a right posture, Of the spine has the advantage of improving the health.

Once again, the position of the lumbar vertebrae in the sitting position of the user is most important and should be reliably fitted from the bottom of the user to the cervical vertebrae 7 based on the reference data of FIG.

Particularly, the position of the lumbar support portion 400 must be exactly matched with the position of the user's lumbar region. If the user's height is less than 189 cm, the position of the lumbar vertebrae should not be more than 6 [mm] There should be no error more than 1 [cm].

As described above, the present invention has the advantage that the posture can be further corrected by the long-time use due to the functions of the configuration and the configuration as described above in comparison with the conventional technique.

Other explanations for the present invention will be described with reference to the above prior art 1 which is the technology of the present applicant.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined in the appended claims.

Accordingly, the invention may be embodied in many other forms without departing from the spirit or essential characteristics thereof, and therefore, the embodiments of the present invention are to be considered in all respects as illustrative and not in a limiting sense.

According to the present invention, since the backrest adjusting seat for spine protection includes the body shape of a tall person, the lumbar spine is comforted in the sitting position of the user, thereby improving the health of the spine. Therefore, It can be applied to contributing to the promotion of various industrial fields such as chair sales business targeting the necessary places.

1: Adjustable backrest chair with spine protection
100: support leg 200:
300: backrest 310: first gear
320: second gear 400: lumbar support
410: Third gear 420: Fourth gear
500: Backrest connecting bracket 510: First side
520: second side 530: backrest height adjuster
540: jaw chuck 600: fifth gear
610: sixth gear 700: seventh gear
710: Eighth gear 800: Headrest

Claims

A seat plate 200 coupled with the support leg 100 to seat the user's hips so that the seat can be seated by the user, A lumbar support unit 400 coupled to the back support unit 300 for supporting and supporting the back of the user, a lumbar support unit 400 supporting the user's lumbar support corresponding to the position of the lumbar support according to the sitting height of the user, And a seat back link connection bracket (500) for connecting the backrest part (200) and the backrest part (300)
The seat back connection bracket 500 includes:
A first surface 510 coupled to one side of the seat plate 200;
A second surface 520 extending perpendicularly to an end of the first surface 510 with respect to the first surface 510 and coupled to one side of the back portion 300;
A backrest height adjusting unit 530 provided on the second surface 520 so as to move the backrest 300 up and down according to the height of the user's sitting height; And
And a latching jaw 540 for moving the backrest height adjusting unit 530 in a predetermined range and fixing the moved back height adjusting unit 530,
The backrest height adjusting portion 530 and the lumbar support portion 400 fixed to the backrest portion 300 when the backrest portion 300 is adjusted by the user to the height of the backrest portion 300 can be adjusted The chair is adjustable up and down at the same time as the movement.

The method according to claim 1,
Wherein the lumbar support portion 400 can be moved up and down in accordance with the movement of the back portion 300 in accordance with the position of the user's lumbar region within a range of 160 cm to 229 cm. Adjustable backrest chair.

The method according to claim 1,
The backrest height adjuster 530 is fixed to the backrest 300 so that a user who is within a range of 160 cm to 229 cm can rest on the backrest 300, A backrest-adjustable chair with spine protection.

The method according to claim 1,
The hooking jaw 540 has a backrest height adjusting unit 530 fixed to the backrest 300 when the user who is within the range of 160 cm to 229 cm has the height of the backrest 300 up and down Wherein the backrest is formed so as to be movable within a predetermined range.