KR20030035391A - A cushion for a student chair - Google Patents

Abstract

PURPOSE: Provided is a cushion for a students' chair which is fixed at a back and a sitting board of a chair by velcro, adjusting band or binding tool so that it enables the cushion to be removed from the chair easily. CONSTITUTION: In the students' chair which consists of the sitting board with the cushion for the board(2) and a back with the cushion for the back(3), the cushion for the board comprises a board cushion material like polyethylene and a board finishing cloth to wrap up the external side of the board cushion material, while the cushion for the back consists of a cushion material like polyethylene and a back finishing cloth to wrap up the external side of the cushion material.

Description

A cushion for a student chair

The present invention relates to a cushion used to be fixed to the back and seat plate of the student chair, and particularly relates to a student chair cushion which is easy to wash and can be used for many purposes.

The student chair 1 which is currently used is fixed to the backrest 13 and the seat plate 12 in a frame 11 of a predetermined shape formed of a pipe as shown in Figure 1 so that the student can sit or lean.

However, since the seat plate 12 on which the student sits and the backrest 13 on which the user can lean against the back are formed of hard wood, the students who sit for a long time are uncomfortable, and the posture is disturbed while the body is uncomfortable. There is a problem that needs to be corrected posture, because the seat and backrest is formed of a flat wood, because it does not fit the hips and waistline, fatigue is easily felt, concentration falls, the backrest (13) and the seatboard formed of wood in winter (12) It was easily chilled by this outside temperature, making it difficult for students to sit for a long time.

In order to solve the above problems, the seat cushion is laid down to reduce the firmness of the seat, and in winter it is possible to warmly attend classes, but the cushion cushion material used is made of polyurethane foam (sponge, etc.). Because it is formed as a water absorbing property, and sitting for a long time, the cushion sinks and fails to function as a cushion, and the cushion is separated from the seat because the cushion is not fixed to the seat, and the cushion material and the cushion jacket are used for washing. Washing is inconvenient because it is separated from the laundry, the laundry is inconvenient because the problem can not take the cushion outdoors.

The present invention has been made to solve the above problems, it is possible to easily detachable to the chair, to provide a cushion for the student chair to reduce the hard feeling of wood.

The present invention can be easily washed without removing the cushion, and because the material itself does not have any water absorption ability to provide a cushion for the student chair that can be used even when outdoors activities such as mobile classes or athletic events.

The present invention is to provide a cushion for a student chair to form a back cushion and seat cushion cushion ergonomically, even sitting for a long time without fatigue.

The cushion for the student chair according to the present invention for achieving the above object is formed in the center of the front spine fixing grooves for supporting the waist, and the protrusions protruding convexly protruding toward both ends in the spine fixing grooves ( The back of the back cushion material made of Polyethylene) is formed by fusion of the back support cloth with the bottom opening, and the back seat insertion space is formed between the back support cloth and the back cushion material on the opposite side of the back support fabric, and the back cushion material is fused with the back cushion material. A pair of velcro fastened to the inner side of the lower back of the backrest cloth, and a rear end cushion is formed at the end to seal the opened portion and is fixed to the back of the student chair;

The upper surface of the seat cushion material made of polyethylene material in which the butt fixing groove is formed on the upper part is formed by fusion with the seat plate finishing cloth having the lower opening, and is bent by bending the lower part of the seat plate finishing cloth opened inward. Fixing the end of the seat plate finishing cloth with the strap inserted, and the control mechanism for fixing the control strap to secure the both ends of the control strap inserted, a plurality of extensions to the seat plate finishing fabric fused with the seat cushion material on the front and back The straps are fixed, and a binding sphere is formed at the opposite end fixed with the seat plate finishing cloth, and the binding spheres formed on the front and the back are bound to each other, characterized in that the seat plate is fixed to the seat plate of the student chair.

1 is a perspective view showing a student chair.

Figure 2 is a perspective view schematically showing a preferred embodiment of the seat cushion applied to the present invention.

Figure 3 is a schematic cross-sectional view showing a preferred embodiment of the seat cushion applied to the present invention.

Figure 4 is a perspective view schematically showing a preferred embodiment of the back cushion applied to the present invention.

Figure 5 is a schematic sectional view schematically showing a preferred embodiment of the back cushion applied to the present invention.

Figure 6 is a side cross-sectional view schematically showing a preferred embodiment of the back cushion applied to the present invention.

Figure 7 is a side cross-sectional view schematically showing a preferred embodiment of the student chair is applied to the seat cushion and back cushion in accordance with the present invention.

8 is a perspective view schematically showing a state in which the seat cushion applied to the present invention is inserted into the back cushion.

Hereinafter, a preferred embodiment of a cushion for a student chair according to the present invention will be described in detail with reference to the drawings.

First, a preferred embodiment of the cushion for the student chair according to the present invention, as shown in FIGS. 1 and 7, the student chair 1 has a seat plate 12 and a backrest 13 formed on a frame 11 of a predetermined shape. The seat plate 12 and the backrest 13 are fixed to the seat plate cushion 2 and the backrest cushion 3.

The seat cushion 2 fixed to the seat plate 12 of the student chair 1 is formed of a seat plate cushioning material 21 and a seat plate finishing cloth 22 having a lower opening surrounding the outside of the seat cushioning material 21. The seat cushion material 21 wrapped with the seat plate finishing cloth 22 has a specific gravity less than 1, easily floated in water, and formed of a good foaming polyethylene, and the upper portion of the seat cushion material 21 has a hip shape and The same butt fixing groove 21a is formed.

The seat plate finishing cloth 22 surrounding the seat cushion material 21 formed on the top of the butt fixing groove 21a having the same shape as the buttocks of a person on the top is most preferably used as a durable, waterproof material, the seat plate The upper portion of the seat cushion material 21 used as the seat cushion 2 together with the finishing cloth 22 is fused with heat so that the seat plate cushion material 21 and the seat plate finishing cloth 22 are not separated from each other.

As shown in FIG. 2 and FIG. 3, the end of the seat plate finishing cloth 22 is bent and fixed to the opened lower portion of the seat plate finishing cloth 22 fused thermally with the seat plate cushion material 21 as described above. Insert the adjusting strap 23 between the cloth (22).

The seat plate finishing cloth 22 by pulling the adjustment straps 23 by fixing the adjuster 24 at the end of the adjustment strap 23 fixed to the end of the seat plate finishing cloth 22 fused and fixed with the seat plate cushioning material 21. In the narrowed state of the inlet to form a control strap 23 to be fixed.

Fix one or more extension straps 25 to the front and back of the seat plate cushioning material 21 and the seat plate finishing cloth 22 that are fusion-fixed as described above, the butt fixing groove 21a is formed at the top, and the seat plate finishing cloth ( On the opposite side of the extension straps 25 and 22 fixed to the fastening holes 26 are fixed.

The binding holes 26 fixed to the front and rear of the seat plate finishing cloth 22 by the extension strap 25 are coupled to each other.

As shown in FIGS. 4 to 6, the back cushion 3 fixed to the backrest 13 of the student chair 1 has a lower back covering the outside of the back cushion material 31 and the back cushion material 31. The backrest cushioning material 31 formed of the backrest finishing cloth 32 and wrapped with the backrest finishing cloth 32 has a specific gravity less than 1 like the seat cushion material 21 and is easily floated in water and has good buffering capacity. And a spinal fixation groove 31a for fixing the spine of the person sitting in the chair 1 at the center of the front of the backrest cushioning material 31, and convex as it proceeds to both ends in the spinal fixation groove 31a. Protruding protrusions 31b are formed.

Backrest finishing cloth (32) surrounding the backrest cushioning material (31) having a spinal fixing groove (31a) and protrusions (31b) formed on the front side is also the same as the seat finishing cloth (22), it is preferable to use a durable and waterproof material And, the front surface of the back cushion material 31 used as the backrest finishing cloth 32 and the backrest cushion 3 is fused with heat so that the backrest cushioning material 31 and the backrest finishing cloth 32 are not separated from each other.

On the opposite side of the backrest cushioning material 31 of the backrest finishing cloth 32 which is thermally fused with the backrest cushioning material 31, the backrest 13 and the backrest of the student chair 1 are shown in FIGS. 5 and 6. The backrest insertion space 33 into which the frame 11 fixing the 13 is inserted is formed.

As shown in FIG. 6, the inner bottom of the backrest finishing cloth 32, which is fusion-bonded with the back cushion material 31 as described above, is formed on the opposite side to be fused with the back cushion material 31, as shown in FIG. 6. Fasten the Velcro 34 close to each other and fixed to both sides.

Velcro 34 is fixed to the end of the back support cloth 32 is fixed to the waterproof zipper 35 is formed so that the waterproof zipper 35 is locked in a state in which the Velcro 34 is inserted inward.

According to the present invention having the above configuration, when fixing the seat plate cushion 2 to the student chair 1, first, by using the adjusting device 24, loosen the adjusting strap 23 and open the seat plate finishing cloth 22. As shown in FIG. 7, the seat plate 12 of the student chair 1 is inserted into the lower portion.

When the seat plate 12 is inserted into the opened lower portion of the seat plate finishing cloth 22, while pulling down and tightening the adjusting strap 23, the bottom plate of the seat plate finishing cloth 22 wraps around the seat plate 12, and the adjustment opening 24 Fix the strap (23) so that it does not loosen.

When the seat plate finishing fabric 22 of the seat cushion 2 with the adjusting strap 23 and the adjusting device 24 is fixed while wrapping the seat plate 12, the extension fixed to the front and back of the seat plate finishing cloth 22 The binding hole 26 formed at the end of the string 25 binds to each other to firmly fix the seat cushion 2 to the seat plate 12 of the student chair 1.

When the seat cushion 2 is fixed to the seat plate 12, the backrest cushion 3 of the student chair 1 is supported by the back bottom of the backrest finishing cloth 32. Insert into the backrest insertion space 33 formed in.

When the backrest 13 is inserted into the backrest insertion space 33, the backrest cushion 3 is secured by being closely adhered to each other with both Velcros 34 fixed to the inside of the end of the backrest cloth 32 so that the backrest cushion 3 can be seated. To the back (13).

The seat back cushion 3 and seat plate cushion 2 fixed as described above are formed with a buttock fixing groove 21a, a spinal column fixing groove 31a, and a protrusion 31b. The spine is fixed so that you can sit in the correct posture, and cushioning functions as a cushioning material so that you do not get tired even if you sit for a long time.

Take the seat plate (12) fixed to the student chair (1) as described above when the outdoor class to separate the binding sphere (26), using the adjuster 24 to loosen the adjustment strap (23) The cushion 2 is used separately from the seat plate 12 of the student chair (1).

In addition, when playing in the water, the Velcro 34 of the back cushion 3 fixed to the back 13 of the student chair 1 is separated from each other to separate the back cushion 3 from the back 13.

When the backrest cushion 3 and the backboard cushion 2 are separated from the backrest 13 and the seatboard 12 of the student chair 1, the seatback cushion 2 is rolled round as shown in FIG. The seat plate cushion 2 is inserted into the backrest insertion space 33 formed in the cushion 3.

When the rounded seat cushion 2 is inserted into the backrest insertion space 33 of the backrest cushion 3, the waterproof zipper 35 formed at the end of the backrest finishing cloth 32 is closed to close the seatboard cushion 2. It is fixed to the backrest insertion space 33 of the backrest cushion (3).

The cushioning material of the backrest cushion 3 and the seat cushion 2 fixed as described above is formed of polyethylene that floats easily in water with a specific gravity less than 1, so that it can be used as safety equipment when playing in water. Since the cushion material does not absorb water, washing can be simplified.

In the above, a preferred embodiment of a cushion for a student chair according to the present invention has been described, but the present invention is not limited thereto, and various modifications are made within the scope of the claims and the detailed description of the invention and the accompanying drawings. It is possible and this also belongs to the present invention.

The present invention can be easily detached from the chair because the cushion is fixed to the back and seat plate of the chair is fixed by the Velcro, adjustment straps and fasteners, and soft foam polyethylene (Polyethylene) as a cushioning agent to reduce the hard feeling of wood The effect is provided.

According to the present invention, the fabric and the cushioning material are not separated or moved by the user's movement, because the polyethylene that does not absorb water and the cloth surrounding the foam are fixed by fusion, and thus do not absorb water. Since foam polyethylene is used as a cushioning agent, the cloth fused to the cushioning material can be washed cleanly only by soaking in water containing detergent, thereby providing a hassle-free effect.

According to the present invention, the cushion fixed to the back of the chair and the seat can be easily detached, so that the seat cushion can be separated from the seat to provide an effect that can be used as a seat in the open air when doing outdoor activities such as sports activities. .

The present invention is to provide an effect capable of correcting the posture of the student sitting on the chair without fatigue sitting for a long time by forming the back cushion and seat cushion for ergonomics.

The present invention has an effect that can be used as safety equipment when playing water by inserting the seat cushion formed in the back cushion by rolling the seat cushion which is formed of foam polyethylene which floats easily in water because its specific gravity is less than 1 It is provided.

Claims (1)

The back of the backrest cushioning material is formed in the back of the back of the back cushion cushion material formed of a polyethylene (Polyethylene) material is formed in the center of the front surface to support the lower back, and the protrusions protruding convexly protruding toward both ends of the spinal fixing groove It is formed by fusion, and on the opposite side fused with the backrest cloth, a backrest insertion space is formed between the backrest cloth and the backrest cushion material, and a pair of velcros are fixed to the inner side of the bottom of the backrest cloth fused with the backrest cushion material. A cushion for the backrest is formed at the end to seal the opened part and is fixed to the back of the student chair; The upper surface of the seat cushion material made of polyethylene material in which the butt fixing groove is formed on the upper part is formed by fusion with the seat plate finishing cloth having the lower opening, and is bent by bending the lower part of the seat plate finishing cloth opened inward. Fixing the end of the seat plate finishing cloth with the strap inserted, and the control mechanism for fixing the control strap to secure the both ends of the control strap inserted, a plurality of extensions to the seat plate finishing fabric fused with the seat cushion material on the front and back A strap for fixing a strap, and forming a binding port on the opposite end that is fixed to the seat finishing cloth, the binding sphere formed on the front and the back is bound to each other, the cushion for the student chair comprising a seat cushion fixed to the seat of the student chair .