KR102574753B1 - flexible seat air cushion - Google Patents

Abstract

The present invention relates to a seat air cushion which can be variously applied to vehicle seats, general chairs, etc. More specifically, the present invention relates to a flexible, active type seat air cushion which can be customized according to the user's body type, wherein the size of the air cushion can be variously adjusted according to the user's body type by folding the air cushion or fixing the air cushion with strings or the like, and a plurality of ribs are arranged inside the air cushion in consideration of body pressure on a body part in contact, thereby effectively distributing the body pressure.

Description

Flexible seat air cushion {flexible seat air cushion}

The present invention relates to a seat air cushion that can be applied in various ways, such as a vehicle seat or a general chair, and more specifically, the size of the air cushion is varied according to the user's body shape by folding the air cushion or fixing it using a string. Regarding a flexible and active seat air cushion that can be adjusted according to the user's body type, and can be adjusted according to the user's body type, which can be adjusted according to the user's body type, and which can be effectively dispersed by arranging a plurality of ribs inside the air cushion in consideration of the body pressure on the body part in contact. will be.

A vehicle seat is a narrow space in which an occupant must sit for a long time, and a conventional vehicle seat has a seat structure designed using a standard human body model based on a statistical method regardless of the occupant's sitting posture or the shape characteristics of the human body.

However, the vehicle seat 2 of this structure maintains an appropriate distance from the backrest to the user's back as shown in FIG. It is difficult to maintain, and there is a problem in that the height, width, thickness, strength of the cushion, etc. of the backrest cannot be properly adjusted according to the user's body shape, physical condition, and requirements.

Specifically, in the conventional vehicle seat 2, as shown in FIG. 12(a), the distance between the occupant 3 and the seat 2 is large, and the occupant 3's waist (lumbar vertebrae), sacral vertebrae, and coccyx curves. Adequate support for overloading is not achieved. At this time, when the occupant 3 sits in close contact with the vehicle seat 2 in order to lean his back against the seat 2, as shown in FIG. feel like

In addition, since the load of the body is concentrated on only a few contact surfaces of the chair, it is difficult to evenly distribute the pressure. Accordingly, when the occupant sits for a long time, fatigue is accumulated and low back pain is induced.

On the other hand, as a technology for an air cushion type chair system, there is Patent Publication No. 2013-0037359.

The present invention has been devised to solve the problems of the prior art as described above, and it is possible to adjust the size of the backrest by developing a variable product to fit various user body types, and also considering the body pressure on the body part in contact An object of the present invention is to provide a flexible seat air cushion for a vehicle, in which body pressure can be effectively distributed by arranging a plurality of ribs inside the air cushion.

In addition, it is composed of an integrated type or assembly type so that the height can be adjusted using a connecting part connecting the seat part and the backrest part.

An air cushion for a vehicle according to the present invention for achieving the above object is installed and used in a seat, and is installed horizontally on a seat seat to support the buttocks and thighs of an occupant; It is formed including a backrest that is vertically connected to the seat and supports the user's back, and is composed of a connecting part that connects the seat and the back and adjusts the height of the seat, and between the upper and lower surfaces of the inner side of the air cushion Ribs are provided, and the ribs are arranged in various ways to distribute the body pressure according to the place where the body pressure is applied, and the effect can be increased by additionally installing a support plate.

The flexible seat air cushion of the present invention was devised to solve the problem that it is difficult for conventional air cushions to maintain an appropriate distance from the backrest to the user's back, and the height, width, thickness, etc. of the backrest can be adjusted to each user's physical condition. It is formed to be flexibly adjusted to fit, and has the following effects.

First, in the air cushion of the present invention, an air part filled only with air and a rib not filled with air coexist. These ribs can limit the size of the cushion by preventing the cushion from being excessively inflated, and the flow of air can be adjusted by the rib.

At this time, the plurality of ribs disposed inside the air cushion are placed in an optimized position in consideration of the body pressure on the body part in contact with the air cushion, and accordingly, the air cushion of the present invention is inflated or air-conditioned to suit the user's body structure. can flow and effectively distribute body pressure. Therefore, it is possible to reduce fatigue by giving a sense of stability to the occupants.

In addition, the air cushion of the present invention is additionally installed on a chair to be used according to individual body characteristics (eg, height, weight, sitting posture, etc.) by a method in which the user folds and fixes the cushion, and the shape of the surface in contact with the chair It can be used by changing it to fit the optimal shape of the body shape.

Specifically, the air cushion of the present invention is formed by including a size adjustment unit for adjusting the size of the backrest, and the size adjustment unit has a form utilizing a size adjustment strap, Velcro, or the like. The size adjustment string is to adjust the width, height, and thickness of the backrest by folding or tying one side of the air cushion (hereinafter, all multi-axes including 'width, height, and thickness' are referred to as 'size'), and the Velcro is a method of adjusting the size of the backrest portion through Velcro by folding the backrest portion and attaching the male and female Velcro of the Velcro membrane portion.

In this way, the user can adjust the size according to his or her body characteristics.

On the other hand, the seat size of the seat unit can also be adjusted according to the physical characteristics of the user, which is achieved by reducing or expanding the seat adjusting means provided between the left seat cushion and the right seat cushion of the seat unit, or by adjusting the amount of air injected into the seat unit. Size can be adjusted. In the same way, the size of the connecting part can be adjusted according to the user's body shape.

In addition, the seat air cushion of the present invention is provided with a body pressure sensor, so that the air pressure inside the air seat can be electrically and automatically adjusted according to the detected value of the body pressure sensor. Accordingly, air may be automatically injected into or discharged from the air cushion to maintain the most suitable air pressure for the occupant, and the air pressure may be adjusted step by step. In addition, the occupant can manually adjust the amount of air according to their physical condition and convenience of use.

As described above, the air pressure of the seat air cushion of the present invention can be automatically or manually adjusted, so that the occupant's seating comfort can be improved, and vibration transmitted from the floor can be reduced by the appropriate pressure inside the cushion.

In addition, in the air cushion for backrest of the present invention, a support plate may be installed between the vehicle seat and the air cushion for backrest. The support plate is an assembly of a plurality of backrest support plates, and can be fixed by adjusting the length and position of each backrest plate in consideration of the height and body shape of the occupant. The support plate is formed to fit the curve of the back, and each backrest plate is fixed by a fixing part. In addition, since the support plate is composed of a plurality of folded parts or connecting parts, it can be stored after being folded or separated, and since the volume of the backrest plate is minimized by this structure, it is easy to store and carry.

In addition, since the air cushion of the present invention is also formed of a flexible material, it is rolled or folded when not in use and stored in a pouch, so it is easy to store and convenient to carry.

In addition, in the seat air cushion of the present invention, a non-slip portion is formed on the rear surface of the seat air cushion, and the non-slip portion is made of a rubber material having high frictional force. Therefore, it can be installed non-slip on the vehicle seat without a separate fixing means.

In addition, the seat air cushion of the present invention can be manufactured as a high-end product. Specifically, the high-end type air cushion generates scan data by using three-dimensional scanning of the occupant's seated body shape, and based on the generated scan data, that is, the scanned seated body shape, the seated body shape corresponding to the seated body shape. It can be formed in a curved shape, so it can be manufactured in a more precise shape.

In the case of a low-cost product, after a user directly blows in air, it may be manufactured to additionally inject or discharge air to adjust the amount.

In addition, for each product, the seat and backrest can be manufactured and used in various forms, such as manufacturing only the lumbar, sacral, and coccyx regions, including the thoracic spine, or including the cervical spine and headrest.

At this time, the cervical vertebrae and the headrest can also be manufactured by using ribs to hold the optimal shape suitable for the occupant's body shape.

As described above, the flexible seat air cushion of the present invention can be used by flexibly transforming the shape of the air cushion to suit the physical characteristics of the occupant, thereby improving the comfort and stability of the occupant. In particular, a number of ribs are optimized By arranging it in the right position, the occupant's load can be effectively distributed, and the air cushion can be deformed into an optimal shape to suit the occupant's physical condition. You can stay comfortable even during the day.

The seat air cushion of the present invention has excellent usability because it can be installed and used in various ways, such as office seats, student chairs, various chairs in industrial sites, as well as seats in vehicles, ships, aircraft, etc., as well as seat seats in vehicles. do.

Figure 1 (a) is a perspective view of a vehicle seat air cushion according to an embodiment of the present invention, Figure 1 (b) is a side view of the vehicle seat air cushion according to an embodiment of the present invention.
2 is a view showing a method for adjusting the size of a seat part provided in a seat air cushion according to an embodiment of the present invention.
3 is a view showing a cross section of a seat part of a seat air cushion according to an embodiment of the present invention.
4 is a view showing a seat portion of a seat air cushion according to an embodiment of the present invention.
5 is a view showing a backrest of a seat air cushion according to an embodiment of the present invention from above.
6 is a view showing the rear surface of the backrest of the seat air cushion according to the embodiment of the present invention.
7 to 9 are diagrams illustrating a method for adjusting the size of a backrest of a seat air cushion according to an embodiment of the present invention.
10 is a view showing a support plate installed on the rear side of a seat air cushion according to an embodiment of the present invention.
11 is a view showing an example of a seat portion of a seat air cushion according to another embodiment of the present invention.
12 is a diagram illustrating an inappropriate situation between a conventional vehicle seat and a user's body.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. However, some configurations irrelevant to the gist of the present invention will be omitted or compressed, but the omitted configurations are not necessarily unnecessary in the present invention, and can be combined and used by those skilled in the art to which the present invention belongs. can

Hereinafter, the 'size' of the air cushion described in this specification refers to all three axes corresponding to the 'width, height, and thickness' of the air cushion, and the air cushion expands in directions other than the three axes Since it can be, it refers to the entire multi-axis that can change the size of the air cushion. Therefore, hereinafter, all of the multi-axis including the 'width, height, and thickness' of the air cushion are referred to as 'size' of the air cushion.

The flexible seat air cushion of the present invention has been devised to solve the problem that it is difficult to maintain the appropriate distance and shape of the chair seat from the backrest to the user's back. It is intended to provide a customized seat shape, and even if each user's physical condition is different, the seat air cushion can be flexibly deformed and used to provide a comfortable seating feeling to the occupant.

A seat air cushion 1 according to an embodiment of the present invention, as shown in FIG. 1, includes a seat portion 10 installed horizontally on a seat to support the user's thighs and buttocks; a backrest portion 30 connected vertically to the seat portion 10 to support a user's back; It includes a connecting portion 50 formed at a connection portion between the seat portion 10 and the backrest portion 30, and a plurality of ribs are provided inside the seat air cushion 1, and the ribs are It is placed in an optimized position in consideration of the body pressure of the body part in contact with it, and accordingly, the air cushion 1 of the present invention is inflated to suit the user's body structure and can effectively distribute the body pressure.

A detailed description of the rib will be described later with reference to FIGS. 3 to 5 .

Hereinafter, a seat air cushion 1 according to an embodiment of the present invention will be described with reference to FIGS. 1 to 11 .

First, the seat portion 10 is installed horizontally on the seat 2 of the vehicle to support the buttocks and thighs of the occupant.

Specifically, as shown in FIGS. 2 and 4 , the seat portion 10 is composed of a left seat cushion 11 and a right seat cushion 12, and the left and right seat cushions 11 and 12 are designed to accommodate passengers. Supports the pelvic bones and thigh area of the body.

In addition, a seat seat hole 15 is provided on one side between the left and right seat cushions 11 and 12, and the seat seat hole 15 is the tailbone and anus of the occupant when the occupant is seated, and improves the user's seating comfort. make it possible

In addition, seat adjusting means 13 in the form of a thin film are provided at the front and rear ends of the seat hole 15, and between the left and right seat cushions 11 and 12 on both sides of the front seat adjusting means 13, there is a seat chin (16) is provided.

The seat jaw 16 is formed so that more air is injected than the left and right seat cushions 11 and 12 when air is injected, and accordingly, when the occupant sits down, the seat jaw 16 stably moves between the occupant's two legs. It supports the center of the body so that it does not tilt forward.

In addition, the seat adjusting means 13 is configured to adjust the size of the seat portion 10 according to the body shape of the occupant.

Specifically, when the occupant lifts the front and rear ends of the seat adjustment means 13, as shown in FIG. 2 (b), the front and rear ends of the seat adjustment means 13 are folded, and the left seat cushion 11) and the right seat cushion 12 are narrowed inward. The front and rear ends of the folded seat adjusting means 13 may be fixed by fixing means.

In addition, when the left seat cushion 11 and the right seat cushion 12 are held and unfolded, the front and rear ends of the seat adjusting means 13 are lowered and the gap between the left and right seat cushions 11 and 12 widens. That is, the distance between the left seat cushion 11 and the right seat cushion 12 is adjusted as the seat control means 13 is folded or unfolded according to the vertical movement of the front and rear ends of the seat control means 13 .

Specifically, in the case of an occupant with a large body shape (for example, an occupant with a large pelvis), as shown in FIG. For example, in the case of a passenger with a small pelvis), as shown in FIG. .

The shape change of the seat portion 10 according to the size adjustment method of the seat portion 10 is illustrated by taking FIG. It is not limited to, and can be applied in various forms such as Velcro, snaps, buttons, straps, zippers, etc., as long as the size of the seat portion 10 can be changed by the seat control means 13 such as a thin film.

When the seat adjusting means 13 of the present invention is seated after adjusting the distance according to the body shape of the occupant, the body pressure pressed by the occupant's weight and the frictional force by the non-slip part on the rear side of the air cushion, separate It can be easily fixed to the floor without any fixing means.

In addition, referring to FIGS. 3 and 4 , a plurality of seat ribs 20 are formed between the upper and lower surfaces of the cushion of the seat part 10 . At this time, the seat rib 20 is placed at an optimal position in consideration of the body pressure of the body part in contact with the air cushion 1, such as the buttocks and thighs of the occupant, and through the seat rib 20 , the air cushion 1 can be prevented from being excessively inflated in the thickness direction.

Specifically, the degree of expansion of the air cushion 1 varies according to the arrangement of the seat rib 20. For example, as shown in FIG. 3, the air cushion portion A where the rib is formed has little expansion. , Air cushion area (B) where no ribs are formed causes more expansion.

Therefore, as shown in FIG. 4, a plurality of ribs are formed on the air cushion 1 to reduce pressure on the Greater Trochanter (GT), etc. On the other hand, the air cushion 1 can be sufficiently inflated by not forming ribs in areas that receive little body pressure, such as on both sides of the buttocks or between the thighs. Therefore, when air is injected, the edge area where no pressure is applied is sufficiently inflated, and the area under body pressure is inflated less, so that the buttocks and both thighs of the occupant can be stably wrapped.

As described above, the seat air cushion 1 of the present invention has ribs in consideration of the body pressure on the body part in contact with the air cushion 1, and accordingly, the user's body pressure can be effectively dispersed, so that even when riding for a long time, the occupant Doesn't make you tired.

In addition, in the seat air cushion 1 of the present invention, as an air part filled only with air and a rib not filled with air coexist, the cushion is prevented from being excessively inflated and the height (thickness) of the cushion can be limited. In addition, the flow of air can be adjusted by the rib to distribute the body pressure.

The shape of the rib is not limited to the shape shown in FIG. 4, and as shown in FIG. 11, it may be formed and arranged in various ways such as a point, a plane, a circle, a triangle, and a spiral, and accordingly, the air flow inside the cushion direction can be secured, and it can be expanded to fit the body shape.

In addition, the ribs may be formed by further subdividing the arrangement interval and number of arrangements of the ribs according to the contact area of the body. In the area where the number of ribs is the largest, the number of ribs is formed in the largest number, and in the area in contact with the second most protruding part of the body (for example, the hip bone or the thigh bone part of the hip part), a smaller number of ribs The ribs are formed, and the degree of expansion can be further subdivided and adjusted so that the ribs are hardly formed in the edge area where the user's body hardly closes (side of both sides of the buttocks or between the thighs, etc.). In this way, the arrangement interval and number of arrangements of the ribs are not limited to the exemplified forms, and may be formed in various ways to suit the physical characteristics of the occupant.

On the other hand, referring to FIGS. 1, 5, and 6, the backrest portion 30 is flexibly connected to the seat portion 10 to support the user's back, and the connecting portion 50 is the seat portion ( 10) and the backrest portion 30 are formed at the connection portion to connect the seat portion 10 and the backrest portion 30.

In addition, it adjusts the position of the backrest according to the user's body shape and has a function to support the sacrum and coccyx.

The center of the connecting part 50 can realize the size required by the user by using left and right Velcro and size adjusting means.

The center of the connecting part 50 may be made of a plastic material or the like, and may be made of the same material as the seat part 10 or the backrest part 30, but is not limited thereto.

In addition, a plurality of backrest ribs 33 are disposed between the front and rear surfaces of the air cushion 1 of the backrest part 30 and the connecting part 50, and the backrest ribs 33 are The ribs are arranged so that the cushion 1 can be expanded according to the body's back flexion structure.

Therefore, when air is injected into the backrest portion 30, the air cushion 1 is inflated according to the curvature of the back of the occupant 3 by means of the ribs, and adheres flexibly to the back of the occupant 3.

In addition, as shown at the bottom of FIG. 1 , a backrest protrusion 317 is formed on the rear surface of the backrest portion 30 . The backrest protrusion 317 can be formed in various shapes, and when air is injected into the air seat, the backrest protrusion 317 expands from the rear surface of the backrest portion 30, creating an empty space between the chair back and the user's back. The space is filled so that the backrest part 30 can be more closely adhered to the curved part of the back.

6 is a view showing the back of the air cushion back part 30 and the connecting part 50 of the present invention, and FIG. 7 is used by adjusting the size of the air cushion back part 30 of the present invention using Velcro. As a conceptual diagram for showing how to do this, in order to explain the concept, in FIG. 7, the connecting unit 50 is omitted and shown.

The backrest portion 30 and the connecting portion 50 include Velcros 315 and 515 for adjusting the size of the backrest portion 30 (hereafter, width, height, and thickness are all referred to as 'size') and the backrest It is formed by including the portion and the connecting portion size adjusting hole (310, 530).

First, male and female Velcro membranes 316 and 516 are provided on both sides of the upper portion of the backrest portion 30 and both sides of the lower portion of the connecting portion 50, and male Velcro membranes 315 are provided on the male Velcro membranes 316, and the female and male Velcro membranes 316 are provided. An arm Velcro 515 is provided on the Velcro film 516.

The occupant adjusts the size of the central part 35 of the backrest by pulling the male Velcro membrane 316 provided with the male Velcro 315 in a straight line or X shape and attaching it to the female Velcro 515 portion of the female Velcro membrane 516. can be fixed

For example, as shown in FIG. 7(a), when the central part 35 of the backrest 35 of the air cushion 1 and the occupant 3 do not come into close contact and feel uncomfortable, as shown in FIG. 7(b) Likewise, the male Velcro 315 on both sides of the upper backrest portion 30 is attached to the female Velcro 515 on both sides of the connecting portion 50 in a straight line or X shape to deform the shape of the lumbar portion of the backrest central portion 35.

In this case, the size of the central part 35 of the backrest of the air cushion 1 is deformed so as to adhere closely to the back of the occupant as shown in FIG. 7(b).

As described above, it is possible to adjust the size of the backrest central portion 35 in a form in which one end of the lumbar region of the backrest central portion 35 is folded, but as shown in FIGS. 7(c) to 7(d), the occupant's body shape It is also possible to adjust the size of the central part 35 of the backrest according to the amount of injected air by injecting air after fixing the Velcros 315 and 515 to fit the backrest.

Alternatively, for example, as shown in FIG. 7(c), when the occupant's body shape is large and the distance between the occupant 3 and the backrest central portion 35 is close, the male and female Velcro membranes 316 reduce the size of the backrest central portion 35. , 516) are pulled close to each other and fixed to inject air. In this case, a large amount of air cannot be injected into the central part 35 of the backrest, so that the size of the central part 35 of the backrest is small.

In addition, as shown in FIG. 7(d), when the occupant's body shape is small and the distance between the occupant 3 and the backrest central portion 35 is long, the male and female Velcro membranes 316 and 516 are used to increase the size of the backrest central portion 35. are fixed relatively far from each other and inject air. In this case, a large amount of air is injected into the central part 35 of the backrest, and the size of the central part 35 of the backrest is large.

That is, the velcros 315 and 515 of the present invention are configured to adjust the size of the central part 35 of the backrest, and the occupant pulls the velcro to fit the body shape of the occupant and fixes the central part 35 of the backrest in an appropriate shape, so that the occupant It is possible to get on board with the back comfortably in close contact with the backrest.

The method for adjusting the size of the backrest portion is not limited to the shape of Velcro as in the embodiment of the present invention, but can be formed in various shapes, and can be formed in various shapes such as snaps, clips, buckles, buttons, snaps, zippers, and ties. can be formed

In addition, referring to FIGS. 6 and 8 , a pair of backrest size adjustment holes 310 are provided in the upper part of the backrest part 30 along the longitudinal direction. A size control strap is inserted into the backrest portion size adjustment hole 310 and is knotted. Therefore, as shown in FIGS. 8 (a) to 8 (c), the occupant may adjust the number of size control straps 311 tied to the backrest size control hole 310, or the size control straps 311 ) is used by adjusting the height of the backrest portion 30 by adjusting the degree of tightening.

For example, a short rider can adjust the height lower by tying more sizing straps 311 as shown in FIG. 8(b), or as shown in FIG. 8(c) , The height of the backrest portion 30 can be adjusted low by pulling the size control strap 311 strongly.

Meanwhile, referring to FIG. 6 again, the connecting part 50 is provided with a connecting part size adjusting hole 530, and a size adjusting string is inserted into the connecting part size adjusting hole 530. Utilizing this, the connecting part 50 can adjust the position of the backrest part 30 .

Specifically, the occupant adjusts the size of the backrest portion 30 and supports the sacrum and coccyx by tightening the size adjustment strap to the size adjustment hole 530 of the connecting part.

9 is a view of the backrest portion 30 of the seat air cushion 1 of the present invention when viewed from above, and is a view for showing the concept of a method for adjusting the size of the central portion 35 of the backrest.

Referring to FIG. 9 , for example, when a small occupant strongly pulls and knots the size control strap of the connecting part, as shown in FIG. The width is narrow, the height is low, and the thickness is thick), and an occupant with a large body loosens the size adjustment strap as shown in FIG. wide, high, and thin) can be adjusted and used.

Accordingly, it is possible for the occupant to use the central part 35 of the backrest in close contact with the back so as to fit the body shape of the occupant.

The number and arrangement of the size adjustment holes 530 formed in the air cushion 1 for the backrest may be variously formed according to the user's convenience.

In addition, the size control strap, in addition to the strap, can be used in various other alternative configurations that perform a tightening function, in addition to the snap, clip, buckle, button, snap, zipper, tie, etc. can be formed in various forms.

In addition, a rib or an elastic body may be used in the area of the backrest pillar 318 and the backrest pillar edge 319 to function to support the thoracic vertebrae.

Meanwhile, as shown in FIG. 6, a non-slip portion 34 is formed on the rear surface of the seat air cushion 1. The non-slip portion 34 can prevent the air cushion 1 from slipping from the chair. For example, the non-slip portion 34 may be formed of a rubber material, or protrusions may be formed on the surface of the non-slip portion 34 . The non-slip portion 34 allows the air cushion 1 to be installed non-slip on the vehicle seat 2 without a separate fixing means.

In addition, the air cushion 1 may be fixed using a fixing means such as a ring.

In addition, a body pressure sensor (not shown) may be provided in the seat air cushion 1 of the present invention, and an air inlet 91 is provided on one side of the seat air cushion 1, and the air inlet 91 is A connected air supply pipe 92 and an air pump (not shown) connected to the air supply pipe 92 are provided. At this time, a valve 93 is provided on the air supply pipe 91, and is formed to be opened and closed by a control unit.

Accordingly, when a user sits on a chair, the body pressure value applied from the body part of the seated person is detected by the body pressure sensor provided in the air cushion 1, and when the body pressure value is transmitted to the control unit, the control unit controls each body pressure The valve 93 of the air pressure regulator may be controlled according to the body pressure value input from the sensor.

Specifically, the control unit closes all valves 93 according to the detected body pressure value to maintain the air pressure of the air cushion 1 as it is, or communicates the air cushion 1 with a port on the compressed air tank side. The air pressure of the air cushion 1 may be increased, or the air pressure of the air cushion 1 may be decreased by communicating the air cushion 1 and the outlet port.

Therefore, the air cushion 1 of the present invention can be automatically injected with air to maintain the most suitable air pressure for the occupant by the control unit, so that it is in the most suitable state for the physical characteristics of the occupant.

Since the air pump is detachable, the air pump can be separated and used only when necessary.

In addition, not only air is injected into the air seat according to the body pressure value detected by the body pressure sensor, but also the occupant himself or herself may inject air at the most appropriate air pressure.

In addition, the air cushion 1 of the present invention can reduce vibration transmitted from the floor by an appropriate internal pressure.

The air inlet may have a double structure preventing air leakage.

In addition, the air cushion 1 may be used by adjusting an appropriate amount of air, such as manually blowing air by the user.

On the other hand, the air cushion 1 of the present invention can be manufactured in various ways, and among them, the seat air cushion 1 of the present invention can be manufactured as a high-end product.

Specifically, the high-end air cushion 1 generates scan data of the occupant's seated body shape using 3D scanning, and based on the generated scan data, that is, the scanned seated body shape, the seated body shape It can be controlled to expand into a curved shape corresponding to .

This shape is provided as a basic shape, but it is possible to provide a recommended mode optimized for each individual's body shape, so that a customized air seat specialized for each individual's body shape can be used, as well as individualized optimization for passengers with spinal diseases Custom chairs can be provided.

The air cushion 1 may be made of resin, for example, thermoplastic polyurethane (TPU). In addition, the air cushion 1 is not limited to these materials, and may be made of various flexible and stretchable materials.

In addition, by adding an elastic body formed of a sponge or the like to the inside of the air cushion 1, discomfort caused by a discrepancy between individual body shapes and the air cushion can be alleviated.

In addition, although not shown, a headrest may be additionally coupled to an upper end of the backrest portion 30, and the headrest may be formed of an elastic material such as a sponge or an air cushion.

In addition, the headrest may be formed in the form of injecting air. At this time, it may be formed to inject air separately from the seat air cushion, and a locking means or fixing means may be additionally installed so that the seat air cushion equipped with the headrest can be stably fixed to the seat. there is.

The air cushion 1 may be formed in a double bag or triple bag structure to maintain airtightness.

In addition, the seat air cushion 1 of the present invention has been described as being applied to the seat 2 of a vehicle as an example, but not only vehicle seats, but also chairs of vehicles, ships, and aircraft, as well as office and student chairs. It has excellent usability as it can be installed and used in various ways, such as various types of chairs at industrial sites.

On the other hand, the air cushion for backrest (1) of the present invention may be directly installed and used on the vehicle seat (2), but it is used by additionally installing a support plate (70) between the vehicle seat (2) and the air cushion for backrest (1) It is also possible to do At this time, it is also possible to install the air cushion 1 for the backrest on the support plate 70 using Velcro or the like.

Referring to FIG. 10 , in the embodiment of the present invention, the support plate 70 may be formed in a form in which five plates (first to fifth plates) are assembled and used. Referring to FIG. 10, the support plate 70 installed between the vehicle seat 2 and the air cushion 1 for backrest according to the present invention will be described.

In the embodiment of the present invention, the support plate 70 is in the form of assembling and using five plates, the first plate 71 supports the cervical vertebrae, the second plate 72 supports the thoracic vertebrae, and the third The plate 73 supports the lumbar vertebrae, the fourth plate 74 supports the sacrum and the coccyx, and the fifth plate 75 is a bottom plate and is connected to the fourth plate 74 to support the user's buttocks and thighs. support the back

The first to fifth plates 71 to 75 are formed to fit the curvature of the back, and to fit the shape of five parts of the back (cervical, thoracic, lumbar, sacral, and coccyx) in consideration of the height and body shape of the occupant. It can be installed after adjusting the position of each plate to

Specifically, the first plate 71 to the second plate 72, the second plate 72 to the third plate 73, the third plate 73 to the fourth plate 74, which are adjacent plates, And the fourth plate 74 to the fifth plate 75 doedoe overlapping and fixing certain parts, by adjusting the overlapping area and then fixing it, it is possible to adjust the height according to the body shape.

The fixing part 76 may be formed in various shapes. For example, the fixing part 76 may be formed as a fixing pin and may couple each plate in a form penetrating the plate. This fixing part 76 is not limited to the shape of the fixing pin, and various types of known fixing means are used.

In addition, a plurality of folded parts 77 or connection parts are formed on the support plate 70 . The folded portion 77 is formed in a sawtooth shape in which the male and female portions 771 and 772 are meshed with each other, and is rotated and folded around the folding pivot pin 770, for example.

In this way, the support plate 70 applied to the air cushion 1 of the present invention is rotated through the folding part 77 to reduce the volume and stored by folding, or dismantling each support plate 70 through the connection part and storing them separately. It is possible, and when folded or separated, the volume of the support plate 70 is minimized, so it is easy to store and convenient to carry.

In addition, since the position of each plate of the support plate 70 can be adjusted and fixed, a customized chair optimized for the user's individual body shape can be provided.

As described in detail above, the flexible seat air cushion of the present invention was devised to solve the problem that it is difficult for the conventional air cushion to maintain an appropriate distance from the backrest to the user's back, and the height, width, thickness, etc. of the backrest is formed to be flexibly adjusted to suit each user's physical condition, and has the following effects.

First, in the air cushion of the present invention, an air part filled only with air and a rib not filled with air coexist. These ribs can limit the size of the cushion by preventing the cushion from being excessively inflated, and the flow of air can be adjusted by the rib.

At this time, the plurality of ribs disposed inside the air cushion are placed in an optimized position in consideration of the body pressure on the body part in contact with the air cushion, and accordingly, the air cushion of the present invention is inflated or air-conditioned to suit the user's body structure. can flow and effectively distribute body pressure. Therefore, it is possible to reduce fatigue by giving a sense of stability to the occupants.

In addition, the air cushion of the present invention is additionally installed on a chair to be used according to individual body characteristics (eg, height, weight, sitting posture, etc.) by a method in which the user folds and fixes the cushion, and the shape of the surface in contact with the chair It can be used by changing it to fit the optimal shape of the body shape.

Specifically, the air cushion of the present invention is formed by including a size adjustment unit for adjusting the size of the backrest, and the size adjustment unit has a form utilizing a size adjustment strap, Velcro, or the like. The size adjustment string is to adjust the width, height, and thickness of the backrest by folding or tying one side of the air cushion (hereinafter, all multi-axes including 'width, height, and thickness' are referred to as 'size'), and the Velcro is a method of adjusting the size of the backrest portion through Velcro by folding the backrest portion and attaching the male and female Velcro of the Velcro membrane portion.

The size adjustment method using Velcro or straps as described above is simple to use, and the user can conveniently adjust the size according to his/her body characteristics.

On the other hand, the seat size of the seat unit can also be adjusted according to the physical characteristics of the user, which is achieved by reducing or expanding the seat adjusting means provided between the left seat cushion and the right seat cushion of the seat unit, or by adjusting the amount of air injected into the seat unit. Size can be adjusted. The size of the connecting portion 50 can also be adjusted to improve the seating comfort of the occupant.

In addition, the seat air cushion of the present invention is provided with a body pressure sensor, so that the air pressure inside the air seat can be electrically and automatically adjusted according to the detected value of the body pressure sensor. Accordingly, air may be automatically injected into or discharged from the air cushion to maintain the most suitable air pressure for the occupant, and the air pressure may be adjusted step by step. In addition, the occupant can manually adjust the amount of air according to their physical condition and convenience of use.

As described above, the air pressure of the seat air cushion of the present invention can be automatically or manually adjusted, so that the occupant's seating comfort can be improved, and vibration transmitted from the floor can be reduced by the appropriate pressure inside the cushion.

In addition, in the air cushion for backrest of the present invention, a support plate may be installed between the vehicle seat and the air cushion for backrest. The support plate is an assembly of a plurality of backrest support plates, and can be fixed by adjusting the length and position of each backrest plate in consideration of the height and body shape of the occupant. The support plate is formed to fit the curve of the back, and each backrest plate is fixed by a fixing part. In addition, since the support plate is composed of a plurality of folded parts or connecting parts, it can be stored after being folded or separated, and since the volume of the backrest plate is minimized by this structure, it is easy to store and carry.

In addition, since the air cushion of the present invention is also formed of a flexible material, it is rolled or folded when not in use and stored in a pouch, so it is easy to store and convenient to carry.

In addition, in the seat air cushion of the present invention, a non-slip portion is formed on the rear surface of the seat air cushion, and the non-slip portion is made of a rubber material having high frictional force. Therefore, it can be installed non-slip on the vehicle seat without a separate fixing means.

In addition, the seat air cushion of the present invention can be manufactured as a high-end product. Specifically, the high-end type air cushion generates scan data by using three-dimensional scanning of the occupant's seated body shape, and based on the generated scan data, that is, the scanned seated body shape, the seated body shape corresponding to the seated body shape. It can be formed in a curved shape, so it can be manufactured in a more precise shape.

In the case of a low-cost product, after a user directly blows in air, it may be manufactured to additionally inject or discharge air to adjust the amount.

In addition, for each product, the seat and backrest can be manufactured and used in various forms, such as manufacturing only the lumbar, sacral, and coccyx regions, including the thoracic spine, or including the cervical spine and headrest.

At this time, the cervical vertebrae and the headrest can also be manufactured by using ribs to hold the optimal shape suitable for the occupant's body shape.

As described above, the flexible seat air cushion of the present invention can be used by flexibly transforming the shape of the air cushion to suit the physical characteristics of the occupant, thereby improving the comfort and stability of the occupant. In particular, a number of ribs are optimized By arranging it in the right position, the occupant's load can be effectively distributed, and the air cushion can be deformed into an optimal shape to suit the occupant's physical condition. You can stay comfortable even during the day. The air cushion of the present invention can further correct the posture of the occupant and prevent spinal diseases.

The seat air cushion of the present invention has excellent usability because it can be installed and used in various ways, such as office seats, student chairs, various chairs in industrial sites, as well as seats in vehicles, ships, aircraft, etc., as well as seat seats in vehicles. do.

The preferred embodiments of the present invention described above have been disclosed for illustrative purposes, and those skilled in the art with ordinary knowledge of the present invention will be able to make various modifications, changes and additions within the spirit and scope of the present invention, and such modifications and changes and additions should be considered to fall within the scope of the claims of the present invention.

1: seat air cushion
2: Vehicle seat
3: occupant
4: glutes
5: etc.
10: seat part
11: left seat cushion
12: right seat cushion
13: seat adjustment means
15: seat seat hole
16: seat tuck
20: seat rib
30: backrest
310: backrest size adjustment hole
311: size adjustment string
312: size adjustment string
315: hand velcro
316: sub-velcro membrane
317: back projection
318: backrest column
319: Backrest column edge
33: backrest rib
34: non-slip part
35: central part of the backrest
50: connecting part
515: Arm Velcro
516: arm velcro membrane
530: connecting portion size adjustment hole
70: support plate
71: first edition
72: 2nd edition
73: 3rd edition
74: 4th edition
75: Fifth Edition
76: fixing part
77: folding part
770: folding pivot pin
771: female teeth
772; male tooth
91: air inlet
92: air supply line
93 valve

Claims (8)

It relates to an air cushion installed and used on a seat,
The air cushion includes a seat portion installed horizontally on a seat seat to support the buttocks and thighs of the occupant;
It is formed including a backrest connected to the seat and supporting the user's back,
Seat air cushion, characterized in that a plurality of ribs are provided between the upper and lower surfaces of the inner side of the air cushion.
The backrest portion is provided with a size adjustment means including Velcro, a size adjustment strap, or a size adjustment hole,
The size adjustment means,
Use the Velcro to fold the back cushion according to the size of the body and fix it by attaching male and female Velcro,
A seat air cushion characterized in that one side of the back cushion is adjusted by tying one or more size-adjusting strings.
According to claim 1,
The area of the air cushion where the rib is disposed is
This is the area where body pressure is applied among the areas where air is injected,
Characterized in that it is a specific area designated so that the air cushion is limitedly inflated according to the user's body characteristics,
The seat air cushion according to claim 1 , wherein the region to which the body pressure is applied is a region in contact with a backbone, a tailbone, a hipbone, or a thighbone.
delete According to claim 1,
Adjusting the size of the backrest using the size adjustment strap,
Adjust the number of air cushions bundled, or
A seat air cushion characterized in that the degree of tightening the string is adjusted.
It relates to an air cushion installed and used on a seat,
The air cushion includes a seat portion installed horizontally on a seat seat to support the buttocks and thighs of the occupant;
It is formed including a backrest connected to the seat and supporting the user's back,
A seat air cushion, characterized in that a plurality of ribs are provided between the upper and lower surfaces of the inner side of the air cushion.
The seat portion is formed by including a left seat cushion, a right seat cushion, and a seat adjusting means,
The seat adjustment means,
The seat air cushion characterized in that it is provided between the left seat cushion and the right seat cushion, and reduces or expands a gap between the left seat cushion and the right seat cushion.
It relates to an air cushion installed and used on a seat,
The air cushion includes a seat portion installed horizontally on a seat seat to support the buttocks and thighs of the occupant;
It is formed including a backrest connected to the seat and supporting the user's back,
A seat air cushion, characterized in that a plurality of ribs are provided between the upper and lower surfaces of the inner side of the air cushion.
A support plate is provided at the rear of the air cushion,
The support plate is formed in the form of assembling a plurality of plates,
The seat air cushion, characterized in that the plurality of plates are fixedly assembled according to the height and body shape of the user.
It relates to an air cushion installed and used on a seat,
The air cushion includes a seat portion installed horizontally on a seat seat to support the buttocks and thighs of the occupant;
It is formed including a backrest connected to the seat and supporting the user's back,
A seat air cushion, characterized in that a plurality of ribs are provided between the upper and lower surfaces of the inner side of the air cushion.
The air cushion,
The seat air cushion can be formed by including a size-adjustable connection part at the connection part of the seat part and the backrest part.
It relates to an air cushion installed and used on a seat,
The air cushion includes a seat portion installed horizontally on a seat seat to support the buttocks and thighs of the occupant;
It is formed including a backrest connected to the seat and supporting the user's back,
A seat air cushion, characterized in that a plurality of ribs are provided between the upper and lower surfaces of the inner side of the air cushion.
The air cushion,
Seat air cushion, characterized in that the headrest can be additionally coupled to the top of the backrest portion.

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