KR20170046235A - Adjusting chair of the sheet for the people - Google Patents

Abstract

The present invention relates to a chair structure (1000) and provides a chair having an adjustable seat cushion according to the body shape, in which a guide rail means is formed such that a seat cushion lower plate (200) equipped with seat plate engaging protrusions (223a, 223b) is interlocked thereto and is movable back and forth in conformity with the body shape, and a seat plate (140) and the seat cushion lower plate (200) are fastened by a fixing means. The fixing means inserts a bolt support (320) provided with a bolt head (130) into a seat plate engaging guide slot (230) and a seat cushion coupling hole (146), wherein the bolt support (320) couples an eccentric cam (340) to a pin hole (320a) formed at an end thereof with a bolt coupling pin (330). The eccentric cam (340) has a pin hole (not shown) formed in the middle thereof and a handle (350) formed on one side thereof.

Description

[0001] The present invention relates to a chair capable of adjusting the seat cushion according to its body shape,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a chair in which a left cushion can be adjusted in accordance with a body shape, and more particularly, to a chair in which a left cushion part is adjustable according to a body shape.

As shown in FIG. 1, the integral type back plate cell 10 is movable in the A direction and the B direction with respect to the fixed lower frame 20, as shown in FIG. 1, The vertical position and the front-rear position of the backrest part 11 and the armrest part 12 can be simultaneously adjusted by this inclined movement.

For example, when the integral backlit cell 10 moves in the A direction with respect to the lower frame 20, the backrest portion 11 is lowered and moved forward (that is, the user's buttocks can be supported The area becomes smaller), and at the same time, the armrest portion 12 is also lowered. On the other hand, when the integral backlit cell 10 moves in the direction B with respect to the lower frame 20, the backrest 11 becomes higher and moves backward (that is, the area where the user's buttocks can be supported , And at the same time, the armrest portion 12 also becomes higher.

Therefore, it is possible to provide a chair 1 having a simple and compact structure that can simultaneously adjust the positions of the backrest part 11 and the armrest part 12. [

2 to 3, in the domestic utility model registration 20-0195547, as a technique for moving the seat according to the body shape, the variable device 10 and the throttle plate 44 are fixed by the shaft 43 And the fixing portions 11 and 11a are formed at one side of the adjustable device 10 and the throttle plate 44 so as to be fixed to the seat plate 35. [

An angle adjuster 21 is attached to the adjusting plate 44 and a number of stopper washers 15 are fixed to the adjusting device 10 by a washer fixing pin 13.

The stopper washer 15 is provided with an adjusting groove 23 for inserting the fixing bolt 19. A washer 16 is provided between the stopper washer 15 and the stopper washer 15 so as to maintain a constant clearance therebetween. And assembled.

A bracket 14 is attached to one side surface of the adjustable device 10 and a bolt 19 to which the stopper washer 15 is fixed by inserting a spring 18 is inserted.

The fixing bolt 19 is fastened to the variable device 10 by the bush 24 and the nut 20. The adjusting lever 12 is fixed to the end of the bracket 14 by a fixing pin 22, . A fixing groove 45 is formed in the variable device 10 so that the cylinder 33 can be assembled and operated by the control lever 34. The armrest fixing portion 46 is formed on the bottom surface of the seat plate 35 So that the armrest 51 can be assembled.

The process of operating according to the embodiment of the present invention thus configured and its effect will be described as follows.

The variable device 10 constructed in accordance with the present invention and the fixed portion 11a formed on one side of the throttle plate 44 are integrally fixed to the seat 35 and the user can insert the shaft 43 into the variable device 10, When the angle adjuster 21 of the adjusting plate 44 fixed by the adjusting device 44 is rotated, the adjusting plate 44 is operated to move the seat upward or downward, and then, by using the adjusting lever 12 formed on the adjusting device 10, So that the tilted state of the seat plate 35 is firmly maintained.

In the state as described above, the stopper washer 15 is tightened by the action of the control lever 12, thereby firmly holding the variable device 10 and the control plate 44.

In order to change the inclination of the surface of the seat 35 again, the user operates the adjusting lever 12 to rotate the angle adjuster 21 attached to the adjusting plate 44 in a state in which the clearance of the stopper washer 15 is generated When the adjustment lever 12 is operated again while adjusting the inclination of the seat 35, the seat of the stopper washer 15 is free from the clearance, and the seat plate fixed to the adjustable device 10 has a slope desired by the user will be.

On the other hand, when the user wishes to adjust the width of the chair armrest, the armrest 51 inserted into the insertion groove 50 formed on the lower surface of the seatboard is moved to the left and right sides and fastened by the adjusting screw 48 .

The cylinder 33 integrated with the chair leg 47 is inserted into the fixing groove 45 formed at the center of the variable device 10. The height of the cylinder 33 is adjusted by the lever The cylinder adjusting lever 34 fixed by the bracket 52 is provided with a face portion for preventing the lever from being shaken and the lever is operated by pressing the gas valve attached to the cylinder 33 so that the cylinder 33 is operated up and down You can.

As described above, the adjustment device fixed to the seat of the chair and the adjustment plate are integrally connected by a shaft, and the inclination of the seat is easily adjusted as needed by using the stopper washer and the adjustment lever. And the adjusting screw is fastened so that it can be variably adjusted as required, and the cylinder adjusting lever attached to the variable device can be used while operating the cylinder up and down.

The inventor of the present invention has found that in the conventional registered utility model 20-0471212, the upper plate 200 'of the chair seat plate has a barrel 210' which is coupled with the barrel 110 'of the lower plate 100' And a rim is formed at an edge of the through-hole 210 '.

At this time, the rim is formed so as to protrude downward from the bottom surface of the upper plate 200 ', so that when the lower plate 100' and the upper plate 200 'are assembled together, the edges of the lower plate 100' So that they are tightly coupled.

In addition, a coupling portion is formed on the outer edge of the upper plate 200 'in order to engage with the lower plate 100'. The coupling portion includes a coupling groove of the lower plate 100 ' Like support receiving grooves are formed to form a recess.

However, in the case of the above-described conventional example, when the body shape of the person is not suitable, that is, when the person tries to sit deep in the chair, when the arm height is adjusted to a low level, the arm height becomes rather high and the posture becomes inconvenient. In the case of the embodiment, it is preferable to place the seat back in front of and behind the seat, but the structure is complicated and the manufacturing cost is too high.

Korean Registered Patent No. 10-1476622 (issued on December 26, 2014) Korean Utility Model Registration No. 20-0195547 (published on September 1, 2000) Registered Utility Model No. 20-0471212 of the Republic of Korea (Notice of February 20, 2014)

Accordingly, the present invention has been developed in order to overcome the above-mentioned problems, and it is an object of the present invention to provide a seat cushion which is capable of adjusting the seat cushion according to the body shape, So that the seat cushion can be adjusted at any time by adjusting the seat cushion depth so that the seat cushion can be adjusted at any time by adjusting the seat cushion part back and forth by separating the seat cushion part from the left cushion part.

It is another object of the present invention to improve a structure in which a seat can freely adjust a length even when a person is seated.

In order to achieve the above object, the present invention provides a chair structure 1000 including a seat back integrated chair 100 and a seat cushion 200. The seat back integrated chair 100 includes a seat back The seat back 140 is formed at a lower portion of the side plate 140 so as to extend continuously from the upper side of the seat 100. The seat back 140 has a rectangular shape, A seat cushion guide slot 230a is formed in the space between the left and right cushion guide rails 221a and 221b and a left cushion guide rail 221a and 221b are formed at left and right sides of the seat cushion guide slot 230, Guide rail means is formed so that the left cushion lower plate 200 having the left and right plate coupling protrusions 223a and 223b formed in parallel to the bottom surface of the seat cushion 221b in parallel can be moved back and forth in conformity with the body shape, (140) And the left cushion lower plate 200 are fastened to each other by a fixing means in a state of being separated from each other by a fixing means and the fixing means includes a bolt head 310 formed in the left plate coupling guide slot 230 and the left cushion coupling hole 146, The bolt strut 320 includes a strut 320. The eccentric cam 340 is coupled to the pin hole 320a formed at the end of the bolt strut 320 with a bolt coupling pin 330, 340 are formed with a pin hole in the middle, and a handle 350 is formed on one side of the seat cushion.

According to the present invention, the eccentric cam 340 is formed with a handle 350 at one side thereof, and when the eccentric cam 340 is rotated by 90 degrees, the bolt post 320 rotates the seat 140 The left seat cushion lower plate 200 is opened and when the eccentric cam 340 is rotated 180 degrees or the original seat cushion is rotated by the bolt post 320, So that they come into contact with each other.

 According to the present invention, the guide rail means includes an "a" -shaped loop formed on the front, rear, left, and right sides of the seat plate 140, and a "b" -shape formed on the left seat cushion lower plate 200 so as to face the " Ring.

Therefore, according to the present invention, as described above, the seat back and the seat are integrally formed by one injection so that the seat cushion can be adjusted according to the body shape, thereby reducing the manufacturing cost, and the seat cushion is separated from the left cushion portion, So that the seated person can adjust the sitting depth of the chair at any time according to his / her body shape, so that the seated person can be comfortably fit to the body shape of the seated person.

In addition, since the present invention has an effect that the length of the left lower cushion plate can be freely adjusted even when a person is seated, children and students can easily adjust the length of the chair seat structure to suit the condition at any time.

1 is a side view of a first embodiment of the present invention;
2 and 3 are a perspective view and a schematic plan view of a second embodiment of the conventional invention
Fig. 4 is a perspective view of a third embodiment of the present invention
Fig. 5 is a perspective view of the seat back integrated chair according to the present invention,
Fig. 6 is an exploded perspective view of the chair-seat backrest according to the present invention
7 is a perspective view showing the upper structure of the left lower cushion of the present invention.
8 is a perspective view showing the lower structure of the left lower cushion plate of the present invention.
Fig. 9 is a perspective view showing the lower structure of the chair-seat backrest integrated with the seat of the present invention,
Fig. 10 is a front perspective view of the seat back-type seat backrest according to the present invention and the seat cushion
Fig. 11 is a perspective view of a side view of a chair seat backrest with integral seat according to the present invention,
12 is a bottom perspective view of the backrest with the seat back integrated with the present invention and the bottom seat of the left cushion.
Figure 13 is a perspective view of another embodiment of the guide rail means corresponding to Figure 6 of the present invention;
14 is a perspective view of another embodiment of the guide rail means corresponding to Fig. 8 of the present invention
15 is a side cross-sectional view of another embodiment of the seat panel fastening adjusting bolt handle corresponding to Fig. 10 of the present invention
Fig. 16 is a side sectional view of the state in which the lower left seat cushion bottom plate of Fig. 15 of the present invention is fixed;

Hereinafter, embodiments of the present invention will be described in detail.

In order to explain the preferred embodiments of the present invention, the thicknesses of the lines and the sizes of the components shown in the attached drawings may be exaggerated or omitted for clarity and convenience of description, Terms to be given are terms defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator.

6 is an exploded perspective view of the chair-seat backrest according to the present invention, Fig. 7 is a perspective view showing the upper structure of the left cushion lower plate of the present invention, Fig. 8 is a perspective view of the seat cushion, FIG. 9 is a perspective view illustrating a bottom structure of a chair-seat backrest according to the present invention. FIG. 10 is a front perspective view of the seat back- Fig. 11 is a side perspective view of the seat back unit with seat back and seat cushion of the present invention, and Fig. 12 is a bottom perspective view of the seat back unit and seat cushion of the present invention.

As shown in the figure, the chair structure 1000 of the present invention is formed of a seat back unit 100 with a seat back and a seat 200 with a seat cushion, wherein the seat back unit 100 includes a seat back 110, A backrest attachment plate 120, a seat backrest side plate 130, and a seat plate 140.

The chair backrest 110 is formed in a somewhat rounded shape to support a normal back and the upper backrest knob hole 111 is formed so that a person can carry it by using it. A seat back supporting plate 120 is attached and a chair back supporting hole 121 is formed so as to coincide with the back supporting knob 111 of the chair.

The chair seat back plate 130 is formed continuously with the chair backrest 110 and is integrally formed with the seat back 140. The left seat cushion upper plate 200 is provided on the upper side of the seat back 140, So that they can be moved back and forth in conformity with the body shape. The outer cover is omitted in the figure.

The chair backrest side plate 130 is formed integrally with the chair backrest 110 and an armrest coupling groove 132 is formed in the upper left and right sides of the armrest 130 to be fastened to the armrest bracket 134 .

The left seat plate 140 is formed integrally with the seat backrest side plate 130. The left seat plate 140 is formed at the center with an air seat plate hole 141 in the same direction as the ventilation passage 210 of the left seat lower plate 200, 144b and 144c and 144d are formed on the front and rear sides of the left and right cushion plates 222a and 222b of the left cushion lower plate 200 to form ventilation holes (Hereinafter, referred to as " guide rail means ") and the left cushion lower plate 200 are connected to each other by bolts to move back and forth in conformity with the body shape.

142b, 142c and 142d of the seat 140 are formed on the front, rear, left and right sides of the center of the seat 140 so as to be engaged with the legs of the chair, A left seat cushion coupling hole 146 for fitting the seat cushion adjustment bolt 262 of the handle 260 is formed and the left cushion coupling projection 146 of the left cushion upper plate 200 is formed in parallel with the left and right sides of the left cushion coupling hole 146, Cushion coupling protrusions 148a and 148b are formed at the lower portion of the seat plate 140 so as to stop the left seat cushion lower plate 200 by being coupled with the seat cushion 223a and 223b.

Next, the left cushion lower plate 200 will be described.

The left cushion lower plate 200 is provided with a ventilation passage 210 at a central portion thereof and a reinforcing rib 220 formed at an edge thereof to reinforce the left cushioning lower plate 200 itself. 222b and 222c and 222d are formed on the front, rear, left and right sides of the left seat cushion 240 by long bolt holes 222a, 222b, 222c and 222d, So that the left cushion lower plate 200 is moved forward and backward to conform to the body shape.

In the front portion of the left cushion lower plate 200, the guide elongated hole receiving portion 240 is formed into a rectangular frame so as to form a seat plate engaging guide slot 230 therein, And left and right cushion guide rails 221a and 221b are formed on the right and left sides of the left cushion upper plate 200. Left and right cushion guide rails 221a and 221b are formed on the right and left sides, And the engagement projections 148a and 148b are engaged with each other so that the seat cushion 200 can be adjusted.

The left seat cushioning member 250 is formed of a bolt coupling rod 254 while forming a bolt coupling hole 252 in the coupling between the left cushion lower plate 200 and the seat plate 140, When the seat plate fastening adjusting bolt 262 is fastened to the left seat cushion lower plate 200 while the seat cushion adjusting bolt 262 formed on the seat cushion adjusting bolt knob 260 is fastened to the left seat cushion adjusting bolt knob 260, The left seat cushion coupling protrusions 148a and 148b formed on the seat cushion 140 and the seat cushion coupling protrusions 223a and 223b of the left cushion bottom plate 200 are tightly coupled to each other to stop the seat cushion bottom plate 200. [

As a result, the left and right seat fastening members 250 are moved back and forth within the range of the guide long hole receiving portion 240, so that the left seat fastening adjusting bolt knob (not shown) 260 can be moved back and forth around the seat plate tightening bolt 262.

In addition, a ventilation passage 210 is formed on a central portion of the left cushion lower plate 200, and a padding support base is formed in the middle of the ventilation padding 210. A functional package (not shown) A functional package fastening hole 213 is formed so that it can be used.

Accordingly, the adjustment of the left cushion lower plate 200 can be performed in accordance with the body shape by the elasticity of the plastic material of the left cushion lower plate 200 by adjusting the seat plate tightening bolt knob 260, And is fixed in accordance with the fastening of the upper and lower cushion upper and lower plates 200 and 140 according to the tightening of the seat plate tightening bolt knob 260, And can be used comfortably according to the body shape.

The following describes another embodiment of the guide rail.

FIG. 13 is a perspective view of another embodiment corresponding to FIG. 6 of the present invention, and FIG. 14 is a perspective view of another embodiment corresponding to FIG. 8 of the present invention.

As another example of the guide rail means, the left and right seat cushions 144a, 144b, 144c, and 144d may be replaced by "a" 222b, 222c, and 222d of the cushion lower plate 200 in place of the seat plate fastening holes 222a, 222b, 222c, and 222d.

Therefore, the "? &Quot; -shaped hooks are connected to the " a " -shaped loops formed on the left and right sides of the left and right seat back 140, instead of the left cushion upper and lower plates 200, It becomes a chair.

Next, another embodiment of the seat plate fastening adjusting bolt handle for fastening the seat plate 140 and the seat cushion lower plate 200 to each other will be described.

15 is a side cross-sectional view of another embodiment of the seat panel fastening adjusting bolt handle corresponding to Fig. 10 of the present invention

Fig. 16 is a side sectional view of the state in which the lower left seat cushion bottom plate of Fig. 15 of the present invention is fixed;

As shown in FIG. 15, description of the same structure in the other embodiments will be omitted.

As shown in FIG. 11, the left and right seat cushion 140 and the left cushion upper and lower seat 200 are formed into a round shape as shown in the horizon, Since the lower cushion lower plate 200 is horizontally positioned, the left cushion upper plate 200 coupled to the lower left and right cushion plates 200 while being guided forward and backward in the middle is formed with long plate fastening holes 222a, 222b, 222c, 144b and 144c and 144d of the seat 140 by the bolts 145a 145b 145c and 145d to form the left cushion lower plate 200 The lower left seat 140 and the left lower cushion upper plate 200 are structurally slightly open and they are formed of a plastic material and a thin plate, There is a tension so that an interval (widening) occurs. Always it has the upper and lower plates apart.

The left seat cushion coupling protrusions 148a and 148b are formed on the left and right sides of the left seat cushion 140. The seat cushion coupling hole 146 for inserting a bolt support 320 to be described later Respectively.

The left seat cushion upper plate 200 is formed with seat plate engaging protrusions 223a and 223b at a lower portion thereof and a guide elongated hole 230 is formed at a middle portion thereof to interpose the bolt post 320 , And is structured so as to be able to guide it.

The bolt support 320 is formed with a bolt head 310 and inserted into the guide hole 230 and inserted into the left cushion coupling hole 146 of the seat 140 below the bolt head 310, And the eccentric cam 340 is coupled to the pin hole 320a formed at the end of the strut 320 with the bolt coupling pin 330. [

The end of the bolt coupling pin 330 may be formed in two strands so that the eccentric cam 340 can be securely received and the eccentric cam 340 can be safely rotated.

The eccentric cam 340 is formed with a pin hole (not shown) in the middle thereof and a handle 350 is formed on one side of the eccentric cam 340. When the eccentric cam 340 is rotated by 90 degrees as shown in FIG. 15, The left seat cushion upper plate 200 and the left seat cushion lower plate 200 are opened by the upper and lower seat cushions 320 and 320 so that the seat cushion 200 can be moved back and forth. The left seat cushion coupling protrusion 48a and the left seat cushion coupling protrusion 223a are brought into contact with each other by the bolt support 320. As a result, (223b) are coupled and the movement is stopped, so that the seat is fixed and does not move.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken in conjunction with the scope of the present invention. It will be understood by those skilled in the art that various changes may be made and equivalents may be resorted to without departing from the scope of the appended claims.

100: Seat backrest with integrated seat 110: Seat backrest
120: chair backrest attachment plate 130: seat backrest side plate
140: Seat 200: Left cushion bottom
210: ventilating tube study 220: reinforcing rib
230: Guide plate connecting guide slot 240: Guide slot receiving slot
250: seat plate fastening member 260: seat plate fastening adjusting bolt handle
320: bolt holding 330: bolt connecting pin
340: eccentric cam 350: handle

Claims (3)

The chair structure 1000 is formed of a left-seat integrated chair back 100 and a left cushion lower plate 200,
The seat back integrated chair seat 100 is formed with a seat back plate 130 extending forwardly of the seat back 110 and a seat 140 continuously formed at a lower portion thereof,
In the upper part of the seat 140, a guide slot receiving part 240 is formed in a rectangular frame, and a seat plate engaging guide slot 230 is formed in the seat slot 140. In addition, A left cushion lower plate 200 having left cushion guide rails 221a and 221b and left and right side plate coupling protrusions 223a and 223b formed in parallel with the bottom side of the left cushion guide rails 221a and 221b, The seat plate 140 and the left cushion upper plate 200 are fastened to each other by a fixing means in a state of being separated from each other by tension,
The fixing means includes a bolt support 320 having a bolt head 310 formed in the left plate coupling guide hole 230 and the left cushion coupling hole 146. The bolt support 320 supports the bolt support 320, The eccentric cam 340 is coupled to the pin hole 320a formed at the end of the eccentric cam 340 by a bolt coupling pin 330. The eccentric cam 340 is formed with a pin hole in the middle and a handle 350 formed on one side Features a chair that can be adjusted according to the shape of the left cushion.
The method according to claim 1,
The eccentric cam 340 is formed with a handle 350 at one side so that the bolt pillar 320 rotates the eccentric cam 340 about the seat 140 and the seat cushion 200, And when the eccentric cam 340 is rotated 180 degrees or the original position, the seat plate 140 and the seat cushion 200 are brought into contact with each other by the bolt support 320 The seat can be adjusted according to the shape of the left cushion.
3. The method according to claim 1 or 2,
The guide rail means comprises an "a" -shaped loop formed on the front, rear, left and right sides of the seat plate 140, and a "b" -shaped loop formed on the seat left 200 facing the "a" The seat can be adjusted according to the shape of the left cushion.

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