KR20190098352A - Seat cushion with bellows air cell and sponge foam - Google Patents

Abstract

The present invention relates to a seat cushion using a bellows air cell and sponge foam, to enable a user to sit thereon in a comfortable state. According to the present invention, the bellows air cell (A1) comprises a base tube body (30) and a backrest tube body (40). The base tube body has a rectangular cross section, is lengthily formed in the longitudinal direction of a base part (11), and allows mutual air moving paths (A3) to be interconnected when a plurality of bellows air cells (A1) are connected at equal intervals. The backrest tube body (40) has a rectangular cross section, is lengthily formed in the longitudinal direction of a backrest part (12), and allows the mutual air moving paths (A3) to be interconnected when the bellows air cells (A1) are connected at equal intervals.

Description

Seat cushion with bellows air cell and sponge foam}

The present invention relates to a seat cushion using a bellows air cell and sponge foam, and more particularly, it is applied to cushion structures such as sofas, chairs, mattresses, and seats of automobiles to provide a correct posture to seat backs and backrests for a long time. The ergonomic sponge foam is built into the bellows air cell so as not to get tired even when sitting.

In general, seats, sofas, chairs, mattresses (hereinafter, referred to as automobile seats) provided with a support and a back support are provided as a means for a user to sit comfortably in a car, a home, an office, and the like. The back part has a spring or cushion material built in to give cushion and elastic restoring force.

However, the spring and the cushion material has a problem in that the elastic support capacity due to aging is lowered due to the weight and repeated use of the user for a long time, so that the spring and the cushion material cannot recover to the initial cushion and restoring force.

In addition, since the spring is made of a metal material and rust is generated by the oxidation action due to contact with air, the rust preventive work must be performed to solve this problem, and a sponge or the like is placed on the plurality of springs, and the fabric or leather material is used. There was a problem that the work process and time is increased by the wrapping operation.

[Patent Document 1]. Korean Utility Model Publication No. 20-1996-0021426. Air Cushion Chair (Date of Publication July 18, 1996)

In order to solve the problems of the prior art as described above, the present invention is a bellows to which air is supplied to a solid cushion, such as latex, urethane foam, which can ensure the safety of the support portion and the back portion but sag occurs and the cushion strength cannot be adjusted. Built-in inside the air cell, the cushion strength and load distribution can be adjusted to maintain the optimal cushioning elasticity for the user to maintain the correct posture and provide comfort and comfort such as not giving fatigue even during long seating conditions. The purpose is to make it possible.

Another object of the present invention, by using a cushion material such as sponge pump built in the bellows air cell to provide the elastic force of the sponge pump even if the bellows air cell breakage, the seat cushion can be replaced to suit the user's body and taste It is possible to increase the user's convenience by replacing the bellows air cell with sponge foam.

Still another object of the present invention is to provide an air movement path through which a plurality of bellows air cells are connected to the support part and the back support part, respectively, so that the user can selectively inject air using one air supply pump. The purpose is to reduce convenience, manufacturing cost and the number of parts.

In order to solve such technical problems, the present invention,

A bellows air cell A1 is provided to the support part 11 and the back support part 12 of the seat 10 to supply air through the air hose H to form an air cushion layer by the operation of the air supply pump P. Seat cushion 100;

The bellows air cell (A1) has a rectangular cross section is formed long in the longitudinal direction of the support portion 11, the bellows air cell (A1) is provided with a plurality of equally spaced connected to each other while the air movement path (A3) is in communication. Support tube body 30;

It has a rectangular cross-section and is formed long in the longitudinal direction of the backrest portion 12, the bellows air cells (A1) are each connected to the backrest tube body 40 is provided so that the plurality of air movement paths (A3) are connected to each other while being connected at equal intervals. Configured,

Each of the bellows air cells (A1) is provided with a junction point (C) in the longitudinal direction is wrapped around the sponge foam 50 formed in the longitudinal direction in the rear direction, fused and embedded at both ends wrapped around the sponge foam (50) Air is injected into the inner cushion space S of the bellows air cell A1 in which the sponge foam 50 is built by the operation of the air supply pump P to pressurize the sponge foam 50 and the bellows air cell A1. It is achieved by forming an air cushion layer while expanding the cushion space (S).

In addition, the support tube body 30 has a pelvic fixation tube 31 formed to surround a part of the bellows air cell A1, and the back support tube 41 has a plurality of bellows air cells A1 at the back support tube body 40. Wrapped in the transverse direction and fusion-fixed, the hose branched from the air hose (H) is connected to the pelvic fixation tube 31 and the waist support tube 41, respectively, in accordance with the air supply second from the outside of the bellows air cell (A1) A cushion layer is further formed.

In addition, the backrest tube body 40 has a fan shape and a trunk fixing tube 45 having an air movement path A3 in the center is fused and fixed to one side of the bellows air cell A1, and branched from the air hose H. The hoses are connected to the body fixing tube 45, and the body fixing tube 45 is formed to expand in the center direction of the backrest tube body 40 according to the air supply.

In addition, the bellows air cell A1 of the support tube body 30 and the backrest tube body 40 forms a junction point C for pre-fusion welding the ends of both ends of the sponge foam 50 in the longitudinal direction in the back direction. Or, it is characterized in that the surface by fusion bonding both ends and the front end of the sponge foam 50 is fixed together.

According to the present invention, the seat cushion and the seat back of the seat, sofa, chair, mattress, etc. of the car is equipped with a seat cushion equipped with a bellows air cell to which air is supplied while the sponge foam is embedded in the seat, having a correct posture and sitting comfortably It allows you to provide comfort and comfort so you don't get tired after sitting for a long time.

In addition, the bellows air cell has a built-in sponge foam that maintains a certain shape, so that even if the bellows air cell is damaged, the seat cushion can be used through the sponge foam, and the elastic force of the air cushion layer of the bellows air cell can be adjusted according to the air supply amount. Can provide satisfaction.

The bellows air cell further includes a pelvic fixation tube, a waist support tube, and a body fixation tube supporting the user's body, thereby improving the user's comfort and satisfaction with the product.

1 is an exploded perspective view showing the installation state of the seat cushion using the present invention bellows aircell and sponge foam.
Figure 2a and 2b is a cross-sectional view of the seat cushion using the present invention bellows air shell and sponge foam.
Figure 3 is a cross-sectional view of the pelvic fixation tube of the present invention.
Figure 4 is a cross-sectional view of the waist support tube of the present invention.
5A and 5B are cross-sectional views illustrating embodiments of the present invention.
Figure 6 is a cross-sectional view of the body fixing tube of the present invention.

Seat cushion using the bellows air cell and sponge foam of the present invention is applied to the cushion structure of the sofa, chair, mattress, etc. and the seat of the car to give a correct posture to the seat support and backrest, while not tired even sitting for a long time Sponge foam is invented to be seated in a more comfortable state is embedded in the bellows air cell.

Hereinafter, the characteristics of the seat cushion using the bellows air cell and the sponge foam according to the present invention will be understood by the embodiments described in detail with reference to the accompanying drawings.

As the inventive concept allows for various changes and numerous embodiments, the embodiments will be described in detail in the text. However, this is not intended to limit the present invention to the specific form disclosed, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

First, the support part 11 and the back support part 12 are formed in the seat of the vehicle, and the present invention is provided in the support part 11 and the back support part 12 of the seat 10 as shown in FIGS. 1 to 6. By mounting the seat cushion 100 to which a plurality of bellows air cells A1 are connected, the air cushion layer is formed on one side in contact with the passenger by receiving air through the air hose H by the operation of the air supply pump P. It provides comfort and comfort to the occupants and reduces fatigue by reabsorbing shocks that the tires and suspension system have not absorbed.

In addition, the air supply pump (P) is connected to the controller (R) for controlling the supply and interruption of air according to the user's selection, and operates the air supply pump (P) in accordance with the operation of the controller (R) The high pressure air is supplied to the air inlet A2 of the bellows air cell A1 through a plurality of air hoses H, respectively. A check valve or a solenoid valve is provided to prevent the air from being discharged to the air hose H. Since the configuration of the controller, the check valve, the solenoid valve, etc. is already known in the art, a description thereof will be omitted.

In addition, the injection and discharge of the air in the bellows air cell (A1) is made through the air inlet (A2), as in the present invention, the air hose (H) is formed detachably at the air inlet (A2) or detachable or integral It is also possible to form, it is optionally provided by the air hose (H) and the controller (R) to the support tube body 30 and the back support tube body 40, which are located on the support portion 11 and the back support portion 12, respectively. Note that it is also possible to have an air supply pump (P) to be operated separately for use.

In the support portion 11 of the present invention, a bellows air cell A1 having a rectangular cross section is formed long in the longitudinal direction of the support portion 11, and the bellows air cells A1 are equally spaced and connected to each other in a horizontal direction. A support tube body 30 provided with an air movement path A3 is provided.

In addition, the backrest portion 12 has a bellows air cell (A1) having a rectangular cross section is formed long in the longitudinal direction of the backrest portion 12, a plurality of bellows air cells (A1) at equal intervals in the horizontal direction are connected to each other air movement The backrest tube body 40 provided with the furnace A3 in communication is provided.

Here, the bellows air cell (A1) is composed of a known synthetic resin material, by using a known fusion method to configure a plurality of air cells in one support tube body 30 or the back tube body 40, the bellows air cell Since the material and bonding method of the already known (公 知) technology will not be described further detailed.

In addition, the support tube body 30 or the back tube body 40 is the bellows air cell (A1) has one to four air movement paths (A3) are connected to a plurality of equal intervals, any one located on one side An air inlet A2 is provided at the bellows air cell A1 of the bellows air cell A1 and is connected to the air hose H connected at the air supply pump P to provide an appropriate amount of air through the air supply pump P according to the operation of the controller R. Is supplied to the bellows air cell A1.

And, each of the bellows air cell (A1) as shown in Figure 2a, while wrapping the sponge foam 50 formed in the longitudinal direction in the longitudinal direction, the bonding point (C) for fusion bonding both ends of the sponge foam 50 is embedded It is provided in the longitudinal direction, the cushion space (S) is formed between the bellows air cell (A1) and the sponge foam 50, the air is injected into the cushion space (S) by the operation of the air supply pump (P). While pressing the sponge foam 50 as shown in FIG. 2B by the pressure, the air cushion layer is formed while expanding the cushion space S of the bellows air cell A1.

The sponge foam 50 uses a member such as an elastic sponge, latex, urethane, etc. If the sponge is too hard, it transmits vibration and shock to the user, and if it is too soft, it does not stably support the user's body. Since it is not possible to use a member having a degree of elasticity to solve it.

As such, the seat cushion 100 formed by combining the bellows air cell A1 having the sponge foam 50 built therein is covered with the cover member 13 using a fabric or leather material to protect the bellows air cell A1. In, it is preferable to install in the back portion 11 and the backrest portion 12 of the seat 10, it is possible to replace the other seat cushion 100 in case of damage to the occupant's body and seat cushion.

3 is for the pelvic fixation tube 31 further provided in the support tube body 30 of the present invention, the bellows air cells (A1) located on both sides of the user's pelvis seated on the support tube body 30 It forms around a part.

That is, the pelvic fixation tube 31 in the support tube body 30 is formed by fusion sealing the part of the bellows air cell (A1) hermetically, wherein the support tube body 30 is supplied to the reelose air cell (A1) is wrapped Partial fusion to form a moving path so that the air is introduced into the cushion space (S) of the front, or fusion to the side of the bellows air cell (A1) of the both sides, not the bellows air cell (A1) that the support tube body 30 is wrapped It is formed by selecting any one of the method to be fixed so that the air moving path is formed inside.

Therefore, a hose (unsigned) branched from the air hose is connected to the air inlet A2 on the rear side of the pelvic fixation tube 31 so that the user operates the controller R as necessary to supply air to the bellows air cell ( Outside of A1), the pelvic fixation tube 31 expands forward while the user is located to form a second cushion layer, and the second cushion layer presses and supports both sides of the hip of the user.

That is, while supporting the thighs, hips, etc. of the user through the first cushion layer formed in the bellows air cell (A1) to the support tube body 30, while supporting the sides of the user's hips using the pelvic fixation tube 31 You can freeze the state.

In addition, the back support tube 41 is also provided with a back support tube 41 as shown in Figure 4, the waist support tube 41 is formed while wrapping a plurality of bellows air cells (A1) in the transverse direction, in the air hose A branched hose (unsigned) is connected so that the user supplies air as needed to form a second cushion layer while the waist support tube 41 expands from the outside of the bellows air cell A1 to form the second cushion layer. To support the user's concave lumbar region.

Also in the method of fusion bonding the backrest tube body 40, the movement path is formed so that the air supplied to the reelose air cell (A1) in which the backrest tube body 40 is wrapped is introduced into the front cushion space (S). Partial fusion or formed by selecting any one of the method to be fused and fixed to the side of the bellows air cell (A1) of the outside instead of the bellows air cell (A1) that the backrest tube body 40 is wrapped do.

And, the bellows air cell (A1) of the support tube body 30 and the backrest tube body 40 forms a junction point (C) for fusion bonding the front end of the both ends of the sponge foam 50 in the longitudinal direction, or sponge Fold both ends and the front end surrounding the foam 50 is fixed by fusion bonding.

That is, only the front end portion of the bellows air cell A1, which is a synthetic resin wrapping the sponge foam 50, has a single junction point C as shown in FIG. 5A, or double overlapped by wrapping the sponge foam 50 as shown in FIG. 5B. By fusion of the front end with the entire surface of the synthetic resin material, the sponge foam 50 can be easily embedded in the bellows air cell A1 while preventing the built-in sponge foam 50 from flowing and the cushion layer can be uniformly formed. Can be.

Figure 6 is provided with a body fixing tube 45 having a fan shape on both sides of the backrest tube body 40, fusion-fixed to one side of the bellows air cell (A1) is connected to the hose (unsigned) branched from the air hose The user is supplied with air as needed so that the body fixing tube 45 is expanded in the center direction of the backrest tube body 40.

The body fixing tube 45 has a plurality of fan-shaped tube is fixed to one side of the bellows air cell (A1), and when inflated on the basis of one side so as to expand in the direction of the user's body, that is, the center of the back tube 40 (40) While having a fan shape and continuously stacked, a plurality of air moving paths (A3) are provided at the center to communicate with each other, and the laminated surface is fused to have a corrugated shape to be integrally formed and connected to the controller (R) to the other air tube. It is to be provided with an air injection hole (A2).

Therefore, in the present invention, the sponge foam 50 is embedded in the bellows air cell A1 so that the user can be directly seated on the seat cushion 100, by operating the air supply pump P using the controller R. Injecting and expanding air into the bellows air cell (A1) of the seat cushion 100 to improve the user's satisfaction through the first cushion layer, optionally, pelvic fixation tube 31, waist support tube 41, By injecting air into the body fixing tube 45, the user's posture is fixed through the second cushion layer to give comfort, and the elastic force of the air cushion layer of the bellows air cell can be adjusted by adjusting the air supply amount according to various passengers' bodies. have.

As described above, the above-described embodiments are described with respect to the most preferred examples of the present invention, but are not limited to the above embodiments, and it will be apparent to those skilled in the art that various modifications are possible without departing from the technical spirit of the present invention. .

10. Seat 11. Base
12. Backrest part 30. Support tube body
31.Pelvic fixation tube 40.Back tube
41. Waist Support Tube 45. Torso Fixing Tube
50. Sponge Foam 100. Seat Cushion
A1. Bellows air cell A2. Air inlet
A3. Airways C. Junction
H. Air Hose P. Air Supply Pump
R. Controller S. Cushion Space

Claims (4)

A bellows air cell A1 is provided to the support part 11 and the back support part 12 of the seat 10 to supply air through the air hose H to form an air cushion layer by the operation of the air supply pump P. Seat cushion 100;
The bellows air cell (A1) has a rectangular cross section is formed long in the longitudinal direction of the support portion 11, the bellows air cell (A1) is provided with a plurality of equally spaced connected to each other while the air movement path (A3) is in communication. Support tube body 30;
It has a rectangular cross-section and is formed long in the longitudinal direction of the backrest portion 12, the bellows air cells (A1) are each connected to the backrest tube body 40 is provided so that the plurality of air movement paths (A3) are connected to each other while being connected at equal intervals. Configured,
Each of the bellows air cells (A1) is provided with a junction point (C) in the longitudinal direction is wrapped around the sponge foam 50 formed in the longitudinal direction in the rear direction, fused and embedded at both ends wrapped around the sponge foam (50) Air is injected into the inner cushion space S of the bellows air cell A1 in which the sponge foam 50 is built by the operation of the air supply pump P to pressurize the sponge foam 50, and the bellows air cell A1. Seat cushion using a bellows air cell and sponge foam, characterized in that to form an air cushion layer while expanding the cushion space (S).  The pelvic fixation tube 31 is fused and fixed to a part of the bellows air cell A1 in the support tube body 30, and the back support tube 41 is a plurality of bellows air cells in the back tube body 40. (A1) is wrapped in the transverse direction and fused and fixed, the hose branched from the air hose (H) is connected to the pelvic fixation tube 31 and the waist support tube 41, respectively, according to the air supply of the bellows air cell (A1) Seat cushion using a bellows air cell and sponge foam characterized in that the second cushion layer is further formed from the outside. The method of claim 1, wherein the backrest tube body 40 has a fan shape and the body fixing tube 45 having an air movement path (A3) in the center is fused and fixed to one side of the bellows air cell (A1), the air hose (H) Bellows air cell and sponge foam, characterized in that the hose branched from the) is connected to the body fixing tube 45, respectively, the body fixing tube 45 is formed to expand in the center direction of the backrest tube body 40 in accordance with the air supply Seat cushion using. The joint point (C) of claim 1, wherein the bellows air cell (A1) of the support tube body (30) and the back support tube body (40) is fusion-bonded to the front ends of both ends of the sponge foam (50) in the longitudinal direction in the back direction. Or form a seat cushion using a bellows air cell and sponge foam, characterized in that the surface by fusion bonding both ends and the front end and the sponge foam 50 surrounding the sponge foam (50).

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