KR102364311B1 - Chair - Google Patents

Abstract

The present invention is to provide a chair capable of correcting the posture of the seated person. To this end, the chair of the present invention, a seat plate for supporting the buttocks of the seated person; a backrest provided on the rear surface of the seat plate to support a seated person's back; and a posture correction recognition protrusion which is provided on the front of the backrest facing the back of the seated person and induces posture correction of the seated person by recognizing the position of the seated person's back when the seated person's back is in contact.

Description

chair {Chair}

The present invention relates to a chair.

In general, a chair is an object for a person to sit on. Such a chair may be roughly divided into a leg type chair with legs and a legless type chair without legs depending on the presence or absence of legs.

Among them, the legless type chair may be placed on a floor, such as a room or floor, to be used as a sitting chair, or may be placed on a seat plate such as a student chair, sofa, or car chair to be used as an auxiliary chair.

The existing legless type chair includes, as is well known, a seat for supporting a person's buttocks and a backrest for supporting a person's back.

However, the existing legless type chair has a simple structure, so there is a limit in correcting the posture of the seated person and there is a limit in providing a comfortable rest.

It is an object of the present invention to provide a chair capable of correcting the posture of a seated person.

Another technical object of the present invention is to provide a chair capable of providing a comfortable rest to a seated person.

In order to achieve the above object, a chair according to an embodiment of the present invention includes a seat plate for supporting the buttocks of a seated person; a backrest provided on the rear surface of the seat plate to support a seated person's back; and a posture correction protrusion provided on the front of the backrest facing the seated person's back and for inducing posture correction of the seated person by recognizing the position of the seated person's back when the seated person's back is in contact. It is provided on the backrest so that it can be folded (folding or folded) and further includes a neckrest that is unfolded from the backrest to support the wearer's neck or folds to overlap the backrest, wherein the headrest is folded to the backrest when viewed from the backrest. , A plurality of back acupressure projections are formed on the rear surface of the neckrest in contact with the back of the seated person.

The posture correction recognition protrusion may include: one or more left recognition protrusions formed on a left edge of the front surface of the backrest; and one or more right recognition protrusions formed on the right edge of the front surface of the backrest.

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The neckrest may be provided so as to be adjustable in height through a height adjustment unit on the backrest.

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When the headrest is viewed from the backrest unfolded, a spine receiving groove may be formed on the front surface of the backrest to which the seated person's spine is in contact.

When the headrest is viewed from the backrest in an unfolded state, the air cell air tube structure for comfortably supporting the back of the seated person is located between the spine receiving groove and the left recognition projection, and between the spine receiving groove and the right recognition projection. A back cushion may be provided.

When the neckrest is viewed from the backrest unfolded, a neck cushion of an air cell air tube structure for comfortably supporting the neck may be provided on the front surface of the neckrest in contact with the neck of the seated person.

A buttock cushion of an air cell air tube structure for comfortably supporting the buttocks may be provided on the upper surface of the seat plate.

The chair according to the above-described embodiment of the present invention may further include a leg support portion provided on the lower surface of the seat plate to be retractable in the front-rear direction and supporting the legs (eg, thighs or calves) of the seated person.

The leg support portion may be formed with a pressure protrusion on the leg.

The leg support unit may include: a leg support body slidably provided on a lower surface of the seat plate; and each leg support branched from the leg support body to support both legs of the seated person, respectively.

The chair according to the above-described embodiment of the present invention may further include a back hinge portion rotatably provided with the backrest relative to the seat plate. The backrest may be rotated forward through the hinge part of the backrest to be folded on the seat plate or rotated in a reverse direction to unfold from the seat plate.

The chair according to the above-described embodiment of the present invention may further include an elastic support part provided between the backrest and the seat plate and elastically supporting the force of the seated person's back when the seated person sits in an unfolded state of the backrest. .

The elastic support part may include a leaf spring part provided at the lower end of the backrest and caught on the lower surface of the seat plate when the backrest is unfolded.

The leaf spring portion may include: an elastic support plate extending from the lower end of the backrest and caught on the lower surface of the seat plate when the backrest is unfolded to elastically support the force of the seated person's back; and a leaf spring provided on the elastic support plate and reinforcing the elastic force of the elastic support plate.

The elastic support part may further include a compression spring provided in the plate spring part and compressed between the plate spring part and the seat plate when a force of a seated person's back is applied to the backrest.

The chair according to the above-described embodiment of the present invention may further include a fixing belt provided on the backrest or the seat plate for fixing to another chair.

The chair according to the embodiment of the present invention described above may further include a hot and cold air unit provided on the backrest and providing cold air or warmth to the seated person.

The hot and cold air unit may include: a flow path forming cover provided on a rear surface of the backrest and forming a flow path; a heater provided in the flow path and turned off in a cold mode and turned on in a warm mode; a blower fan forcibly flowing air in the flow path; a power supply unit providing electricity to the heater and the blowing fan; and a main air outlet formed in a portion of the backrest corresponding to the flow path and discharging cold or warm air toward the back of the seated person.

When the rear portion of the seat plate has a portion overlapping with the lower end of the back when viewed in the unfolded state of the back, the hot and cold air portion may include: an auxiliary tuyere formed in the overlapping portion of the lower end of the back; and a seat tuyere formed in the overlapping portion of the rear portion of the seat plate and formed to correspond to the auxiliary tuyeres and discharging cold air or warmth toward the lumbar spine or buttocks of the seated person; may further include.

As described above, the chair according to the embodiment of the present invention may have the following effects.

According to an embodiment of the present invention, since a technical configuration including a seat plate, a backrest, and a posture correction recognition protrusion is provided, the posture correction recognition protrusion is provided on the front side of the backrest toward the seated person's back, so that the seated person's When the back is in contact with the recognition protrusion for posture correction, the position of the seated person's back is roughly recognized by the tactile sense of the seated person. can induce

In addition, according to the embodiment of the present invention, since the recognition protrusion for posture correction provides a technical configuration including a left recognition protrusion and a right recognition protrusion, the left recognition protrusion and If the seated person's back is tilted to the left through the right recognition protrusion, the seated person can recognize that the seated person's back is tilted to the left while making contact with the left recognition protrusion. It can be recognized, and through this recognition, posture correction can be induced so that the seated person's back is moved to the center of the backrest.

In addition, according to an embodiment of the present invention, since a technical configuration including a foldable headrest is provided, when the headrest is not needed, the degree of freedom of the seated person's neck can be increased by folding the headrest, and the neckrest can be folded for storage and storage. It can be easily carried.

In addition, according to an embodiment of the present invention, since the neckrest provides a technical configuration in which the height can be adjusted through the height adjustment unit on the backrest, the height of the neckrest can be adjusted according to the seated height of the occupant, from children to adults. It can be used universally.

In addition, according to an embodiment of the present invention, when viewed in a state in which the neckrest is folded on the backrest, a technical configuration is provided in which a plurality of back acupressure projections are formed on the back of the neckrest in contact with the back of the seated person. In the case of sitting, the seated person's back can be pressed against the back of the seated person while in contact with the plurality of back acupressure projections, thereby providing comfort to the seated person, such as improving blood circulation.

In addition, according to an embodiment of the present invention, when viewed from the state in which the headrest is unfolded from the backrest, the technical configuration is provided in which a spine receiving groove is formed on the front surface of the backrest in contact with the seated person's spine. It is possible to provide comfort to the seated person by preventing the relatively protruding spine portion from being pressed while the seated person's spine is accommodated in the spine receiving groove.

In addition, according to an embodiment of the present invention, since a technical configuration including any one or more of a back cushion, a neck cushion, and a buttock cushion of the air cell air tube structure is provided, a cushioning feeling can be given to the back, neck or buttocks of the seated person, As a result, comfort can be provided to the occupant.

In addition, according to an embodiment of the present invention, since a technical configuration including a leg support is provided, it is possible to support not only the back and buttocks of the seated person but also the legs such as thighs and calves, so that the tension of the leg muscles can also be relieved. It can provide comfort to the person.

In addition, according to the embodiment of the present invention, since the technical configuration including the hinge part of the backrest is provided, the backrest can be rotatably provided with respect to the seat plate, and the backrest can be folded into the seat plate through this, and the backrest can be folded for storage and portability can facilitate

In addition, according to the embodiment of the present invention, since the technical configuration including the elastic support is provided, when the seated person sits in the unfolded state of the backrest, it is possible to elastically support the force of the seated person's back, and the inclination of the backrest is the amount of the elastic force. It is possible to increase the degree of freedom of inclination of the seated person's back, which can be allowed in the range, so that comfort can be provided to the seated person.

In addition, according to an embodiment of the present invention, since it provides a technical configuration including a fixing belt, when used on a seat plate such as an office chair or a car chair, it can be firmly fixed thereto.

In addition, according to the embodiment of the present invention, since the technical configuration including the hot and cold air unit is provided, cold air can be blown to the seated person on a hot day, and warm air can be blown to the seated person on a cold day, so that the seated person can It can provide comfort.

1 is a perspective view schematically showing a chair according to an embodiment of the present invention.
FIG. 2 is a view schematically showing a state in which the leg support part is retracted and the neck support is folded in the chair of FIG. 1 .
3 is a view schematically illustrating a state in which the backrest of the chair of FIG. 2 is folded.
4 is a schematic front view of the chair of FIG. 1 .
5 is a schematic side view of the chair of FIG. 1 .
6 is a plan view schematically illustrating the chair of FIG. 1 .
FIG. 7 is a rear view schematically illustrating the chair of FIG. 1 .
FIG. 8 is a bottom view schematically illustrating the chair of FIG. 1 .
9 is a view taken along line IX-IX of the chair of FIG. 1 .

Hereinafter, with reference to the accompanying drawings, the embodiments of the present invention will be described in detail so that those of ordinary skill in the art to which the present invention pertains can easily implement them. However, the present invention may be embodied in several different forms and is not limited to the embodiments described herein.

Figure 1 is a perspective view schematically showing a chair according to an embodiment of the present invention, Figure 2 is a view schematically showing a state in which the leg support is retracted and the neck support is folded in the chair of Figure 1, and Figure 3 is Figure 2 It is a view schematically showing the folded state of the back of the chair.

Figure 4 is a schematic front view of the chair of Figure 1, Figure 5 is a schematic side view of the chair of Figure 1, Figure 6 is a plan view schematically showing the chair of Figure 1, and Figure 7 is the chair of Figure 1 is a schematic rear view of 8 is a bottom view schematically showing the chair of FIG. 1 , and FIG. 9 is a view of the chair of FIG. 1 taken along line IX-IX.

The chair 100 according to an embodiment of the present invention includes a seat plate 110 , a backrest 120 , and a recognition protrusion 130 for posture correction, as shown in FIGS. 1 to 9 . Hereinafter, each component will be described in detail with continued reference to FIGS. 1 to 9 .

The seat plate 110 is a component for supporting the buttocks of the seated person. The seat plate 110, as shown in FIGS. 1, 8 and 9, is provided on the upper surface and may include a buttock cushion C10 for comfortably supporting the buttocks. For example, the buttock cushion C10 may have an air tube structure with a plurality of air cells.

For reference, the buttock cushion (C10) of the air cell air tube structure, as shown in FIG. 1, communicates with a flat tube (C11) into which air can be injected and the tube (C11) in a protruding form. (C12). Therefore, when air is injected through an air inlet (not shown) provided in the tube C11, the tube C11 and the plurality of air cells C12 are expanded to provide a cushioning feeling to the hips of the seated person, thereby can provide comfort to

The backrest 120 is a component for supporting the back of the seated person. The backrest 120 may be provided on the rear side of the seat plate 110 as shown in FIGS. 1 and 5 .

The posture correction recognition protrusion 130 is a component for inducing posture correction of a seated person by recognizing the position of the seated person's back when the seated person's back is in contact with it. As shown in FIGS. 1 and 4 , the recognition protrusion 130 for correcting the posture may be provided on the front of the backrest 120 toward the back of the seated person.

Accordingly, since the above components are provided, the posture correction recognition protrusion 130 is provided on the front of the backrest 120 toward the seated person's back. While the position of the seated person's back is roughly recognized by the tactile sense of the seated person, if it is recognized that the seated person's back is tilted to the left or right, posture correction can be induced to the seated person so that the seated person's back is moved to the center of the backrest 120. .

For example, the recognition protrusion 130 for posture correction may include one or more left recognition protrusions 131 and one or more right recognition protrusions 132 as shown in FIGS. 1 and 4 . The one or more left recognition protrusions 131 may be formed on the left edge of the front surface of the backrest 120 , and the one or more right recognition projections 132 may be formed on the right edge of the front surface of the backrest 120 . In addition, each of the one or more left recognition protrusions 131 and the one or more right recognition protrusions 132 may be made of a hard material. Therefore, when the seated person's back is tilted to the left through the left recognition protrusions 131 and the right recognition protrusions 132 respectively formed on the left and right edges of the front surface of the backrest 120, the left recognition protrusions 131 The seated person can recognize that the seated person's back is tilted to the right while making contact, and when the seated person's back is tilted to the right, the seated person can recognize that the seated person's back is tilted to the right while making contact with the right recognition protrusion 132. A posture correction may be induced to the seated person to move to the center of 120 .

In addition, the chair 100 according to an embodiment of the present invention may further include a headrest 140 as shown in FIGS. 1 and 2 . Such a headrest 140 may be provided to be able to be folded (folding or folded) on the backrest 120, and unfolded from the backrest 120 to support the wearer's neck as shown in FIG. 1 or FIG. 2 It can be folded so as to overlap the backrest 120 as shown in. Accordingly, when the headrest 140 is not needed, the neckrest 140 can be folded to increase the degree of freedom of the seated person's neck, and furthermore, it is possible to facilitate storage and portability.

Furthermore, as shown in FIG. 1 , the headrest 140 may be provided on the backrest 120 to be height-adjustable through the height adjustment unit H10 . For example, as shown in FIG. 1 , the height adjustment unit H10 includes a plurality of height adjustment holes H11 formed at intervals in the vertical direction and formed on the upper half of the backrest 120 , and a plurality of It may include a height adjustment protrusion (H12) formed on the neckrest 140 to fit into any one of the height adjustment hole (H11). Therefore, the height of the headrest 140 can be adjusted to fit the height of the seated person, so that it can be used universally from children to adults.

In addition, as shown in FIG. 2 , when viewed in a state in which the headrest 140 is folded on the backrest 120 , a plurality of back acupressure projections 141 are formed on the rear surface of the neckrest 140 in contact with the back of the seated person. can thus. When seated with the neckrest 140 folded, the seated person's back can press the seated person's back while in contact with the plurality of back acupressure projections 141, thereby providing comfort to the seated person, such as improving blood circulation. can

In addition, as shown in FIG. 1 , when the headrest 140 is viewed from the backrest 120 in an unfolded state, the spine receiving groove 121 may be formed on the front surface of the backrest 120 in contact with the seated person's spine. Accordingly, when sitting with the headrest 140 unfolded, the seated person's spine is accommodated in the spine receiving groove 121 and the relatively protruding spine portion is prevented from being pressed, thereby providing comfort to the seated person.

In addition, as shown in FIG. 1 , when the headrest 140 is viewed from the backrest 120 in an unfolded state, between the spine receiving groove 121 and the left recognition protrusion 131 , and between the spine receiving groove 121 and the right side. A back cushion C20 for comfortably supporting the back of the seated person may be provided between each of the recognition protrusions 132 . Accordingly, it is possible to provide a cushioning feeling to the seated person's back, thereby providing comfort to the seated person. For example, the back cushion C20 may have an air cell air tube structure like the buttock cushion C10 described above.

In addition, as shown in FIG. 1 , when the neck support 140 is viewed from the backrest 120 in an unfolded state, the front of the neck support 140 in contact with the seated person's neck has an air cell air tube structure for comfortably supporting the neck. A neck cushion C40 may be provided. For example, the neck cushion C40 may have an air cell air tube structure like the buttock cushion C10 described above.

In addition, the chair 100 according to an embodiment of the present invention may further include a leg support unit 150 as shown in FIGS. 1, 5 and 6 . As shown in FIGS. 1, 2, and 5, the leg support unit 150 may be provided on the lower surface of the seat plate 110 to be retractable in the front-rear direction, and the legs of the seated person (eg, thigh or calf) can be supported. Therefore, while the back and buttocks of the seated person are supported by the backrest 120 and the seat plate 110, the legs such as the thighs and calves can also be supported together, so that the tension of the leg muscles can also be relieved, providing comfort to the seated person. can do.

Furthermore, leg acupressure projections 151 may be formed on the leg support unit 150 . For example, the leg acupressure protrusion 151 may be made of a hard material to double the acupressure effect.

In addition, as shown in FIG. 8 , the leg support unit 150 includes a leg support body 150a that is slidably provided on the lower surface of the seat plate 110 , and is branched from the leg support body 150a so that the number of occupants Each of the leg supports 150b for supporting the legs may be included.

Furthermore, a plurality of length adjustment holes 152 may be formed in the leg support body 150a at intervals in the front-rear direction. Accordingly, the length of the protrusion (not shown) on the bottom surface of the seat plate 110 may be determined by being caught in any one of the plurality of length adjustment holes 152 .

In addition, the chair 100 according to an embodiment of the present invention may further include a back hinge part F10 as shown in FIG. 3 . The backrest hinge part F10 may have the backrest 120 rotatably with respect to the seat plate. Accordingly, the backrest 120 may be rotated forward through the backrest hinge unit F10 to be folded on the seat plate 110 (see FIG. 3 ) or rotated in the reverse direction to unfold from the seat plate 110 (see FIG. 1 ). Ultimately, the backrest 120 may be provided rotatably with respect to the seat plate 110 , and through this, the backrest 120 can be folded on the seat plate 110 , so that the backrest 120 is folded to facilitate storage and portability. can do.

In addition, the chair 100 according to an embodiment of the present invention may further include an elastic support unit 160 as shown in FIGS. 1 to 3 . The elastic support unit 160 may be provided between the backrest 120 and the seat plate 110 , and may elastically support the force of the seated person's back when the seated person sits in an unfolded state of the backrest 120 . Accordingly, when the seated person sits in a state in which the backrest 120 is unfolded, the force of the seated person's back can be elastically supported, and the degree of freedom of inclination of the seated person's back such that the inclination of the backrest 120 can be allowed within the range of the elastic force. can be raised to provide comfort to the occupant.

For example, the elastic support unit 160, as shown in Figs. 1 and 2, may be provided at the lower end of the backrest 120, and when viewed in an unfolded state of the backrest 120, on the lower surface of the seat plate 110. It may include a hanging leaf spring part 161 .

Furthermore, the leaf spring unit 161 may include an elastic support plate 161a and a leaf spring 161b. The elastic support plate 161a may extend to the lower end of the backrest 120, and as shown in FIG. 2, may be caught on the lower surface of the seat plate 110 when the backrest 120 is unfolded as shown in FIG. It can elastically support the force of the back. The leaf spring 161b may be made of a metal material, may be provided on the elastic support plate 161a, and may reinforce the elastic force of the elastic support plate 161a.

In addition, the elastic support unit 160 may be provided in the leaf spring unit 161 , and is compressed between the leaf spring unit 161 and the seat plate 110 when a force of the seated person's back is applied to the backrest 120 . (not shown) may be further included.

In addition, in the chair 100 according to an embodiment of the present invention, as shown in FIGS. 1, 5, 6 and 8 , a fixing belt for fixing the chair 100 of the present invention to another chair. (170) may be further included. The fixing belt 170 may be provided on the backrest 120 or the seat plate 110 . Accordingly, when the chair 100 of the present invention is placed on a seat plate (not shown) such as an office chair or a car chair, it can be firmly fixed thereto.

In addition, the chair 100 according to an embodiment of the present invention may further include a cold/hot air unit 180 as shown in FIG. 9 . The hot and cold air unit 180 may be provided on the backrest 120 and may provide cold air or warmth to the seated person. Accordingly, it is possible to blow cool air to the seated person on a hot day, and to blow warmth to the seated person on a cold day, thereby providing comfort to the seated person.

For example, the hot and cold air unit 180 is, as shown in FIG. 9 , a flow path forming cover 181 , a heater 182 , a blower fan 183 , a power supply unit (not shown), a main suction port 185 , and It may include a main tuyere (186). The flow path forming cover 181 may be provided on the rear surface of the backrest 120 and may form the flow path 181a. The heater 182 may be provided in the flow path 181a, and may be turned off in the cold mode and on in the warm mode, and the blower fan 183 may force air to flow in the flow path 181a. there is. The power supply unit (not shown) may provide electricity to the heater 182 and the blower fan 183 , and may be, for example, a secondary battery (not shown) built in the chair 100 of the present invention, as another example. It may be a plug (not shown) connected to an external outlet (not shown) to supply power. The main inlet 185 may guide the inflow of outside air into the flow path 181a when the blowing fan 183 is driven, and the main air outlet 186 may be formed in a portion corresponding to the flow path 181a among the backrest 120 . It can discharge cold or warm air toward the back of the seated person.

Furthermore, as shown in FIGS. 1 and 2 , when the rear portion of the seat plate 110 has a portion overlapping with the lower end of the backrest 120 when viewed in the state in which the backrest 120 is unfolded, the cold and hot air unit 180 is the backrest The auxiliary air outlet 187 formed in the overlapping portion of the lower end of the seat plate 110 and the auxiliary air outlet 187 formed in the overlapping portion of the rear portion of the seat plate 110 are formed to correspond to the auxiliary air outlet 187, and cool or warm air is applied to the lumbar spine or buttocks of the seated person. It may further include a seat tuyere 188 for discharging toward.

Although preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements by those skilled in the art using the basic concept of the present invention as defined in the following claims are also provided. is within the scope of the

100: chair 110: seat plate
120: back 121: spine receiving groove
130: cognitive protrusion for posture correction 131: left cognitive protrusion
132: right index protrusion 140: headrest
141: back acupressure projection 150: leg support
151: leg acupressure projection 150a: leg support body
150b: leg support 160: elastic support
161: leaf spring portion 161a: elastic support plate
161b: leaf spring 170: fixed belt
180: hot and cold wind 181: flow path forming cover
181a: Euro 182: Heater
183: blower fan 185: main inlet
186: main tuyere 187: auxiliary tuyere
188: seat vent H10: height adjustment unit
C10: Buttock Cushion C11: Tube
C12: Aircell C20: Back cushion
C40: Neck cushion F10: Backrest hinge part

Claims (3)

as a chair,
a seat plate for supporting the buttocks of the seated person;
a backrest provided on the rear surface of the seat plate to support a seated person's back; and
a recognition protrusion for posture correction provided on the front of the backrest toward the back of the seated person and for inducing correction of the posture of the seated person by recognizing the position of the seated person's back when the seated person's back is in contact;
including,
The chair is
A neckrest that is foldably provided on the backrest to support the wearer's neck by being unfolded from the backrest or folded to overlap the backrest
further comprising,
When the headrest is viewed in a folded state on the backrest, a plurality of back acupressure projections are formed on the rear surface of the headrest in contact with the back of the seated person.
chair. In claim 1,
The recognition protrusion for posture correction,
one or more left recognition protrusions formed on the left edge of the front surface of the backrest; and
one or more right recognition protrusions formed on the right edge of the front surface of the backrest;
containing
chair. delete

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