KR102495194B1 - Full flat seat - Google Patents

Abstract

The present invention relates to a full flat seat in which the rear end of the buttockrest is lifted to make the whole flat and full flat in a reclining mode in which the backrest is moved backward, and includes a backrest; hip support; And a reclining mode in which the backrest goes backwards based on the hiprest, and a full flat mode in which the rear end of the hiprest rises to form an overall flat shape together with the backrest in the reclining mode. Sequentially or simultaneously Full flat device; may include.

Description

Full flat seat

The present invention relates to a full flat seat, and more particularly, to a full flat seat in which the rear end of a buttock rest is lifted in a reclining mode in which the back rest rests backwards so that the whole can be flat and full flat.

In general, reclining seats installed in various vehicles such as cars, vans, buses, ships, and airplanes have an empty space between the hip rest and the back rest because the back rest is fixed in the reclining mode in which the back rest moves backward. There were problems in that it was inconvenient to use because it did not sufficiently support the hip and waist of the ruler.

The present invention is to solve various problems, including the above problems, in the reclining mode in which the backrest goes backwards, the rear end of the hiprest is lifted using a 4-section link type full flat device or a sliding full flat device, It is an object of the present invention to provide a full flat seat that is fully flat together with the backrest to sufficiently support the hip and waist of the seated person, thereby allowing the seated person to use it comfortably in a lying posture. . However, these tasks are illustrative, and the scope of the present invention is not limited thereby.

Full flat seat according to the spirit of the present invention for solving the above problems, the backrest; hip support; And a reclining mode in which the backrest goes backwards based on the hiprest, and a full flat mode in which the rear end of the hiprest rises to form an overall flat shape together with the backrest in the reclining mode. Sequentially or simultaneously Full flat device; may include.

In addition, according to the present invention, in the full flat device, at least one or more that rotates together with the backrest so that the recline mode is performed until the backrest is at a reference angle, and the full flat mode is performed when the backrest exceeds the reference angle. It may be a 4-bar link type full flat device composed of 4 links interlocked by this stopper.

In addition, according to the present invention, the four-section link type full flat device is fixed to the installation surface or floor, the first link is formed of the 1-1 hinge axis and the 1-2 hinge axis; a second link having a 2-1st hinge axis and a 2-2nd hinge axis, the 2-1st hinge axis being connected to the 1-1st hinge axis; a third link in which a 3-1 hinge axis and a 3-2 hinge axis are formed, the 3-1 hinge axis is connected to the 2-2 hinge axis, and is fixed to the buttock support; and a 4-1-th hinge axis and a 4-2-th hinge axis are formed, the 4-1-th hinge axis is connected to the 3-2-th hinge axis, and the 4-2-th hinge axis is connected to the 1-2 An extension connected to the hinge axis and extending beyond the 4-2 hinge axis is fixed to the backrest and is pressed by the stopper that reclines with the backrest to lift the hiprest using the principle of leverage A fourth link; may be included.

In addition, according to the present invention, the 4-2 hinge axis of the fourth link is rotatably supported by a fixing bracket, the backrest can be rotated around the rotational axis of the fixing bracket, and the stopper is rotated from the rotational axis. They may be spaced apart by a separation distance and rotated along an arcuate trajectory.

Further, according to the present invention, the fourth link may be formed with a bent portion in which at least a portion of the fourth link is bent in an L-shape as a whole along the side surface of the hiprest and the side surface of the backrest.

In addition, according to the present invention, the full flat device is at least so that the reclining mode in which the backrest goes backwards is performed, and the full flat mode in which the buttockrest is selectively lifted by a wire or a lever can be performed. It may be a sliding full flat device in which one link slides.

In addition, according to the present invention, the sliding pool flat device, the rotation axis of the backrest is formed, a fixing bracket fixed to the installation surface or the floor; A 1-1 hinge axis and a 1-2 hinge axis are formed, the 1-1 hinge axis is connected to the front end of the hip support, and the 1-2 hinge axis is connected to the front end of the fixing bracket. a first interlocking link to be connected; And a 2-1 hinge shaft and a 2-2 hinge shaft are formed, the 2-1 hinge shaft is connected to the rear end of the hip rest, and the rear end of the hip rest can be raised. -2 A second interlocking link in which a hinge shaft is slidably formed into a sliding groove formed in a middle portion of the fixing bracket; may include.

In addition, according to the present invention, the sliding full flat device further includes a wire installed on the 2-2 hinge shaft or the locking device so that the second interlocking link can be erected or the locking device can be released. can do.

In addition, according to the present invention, it is installed between the first and second hinge shafts and the fixing bracket, and when tension is applied to the wire or the locking device is released, the rear end of the hip rest can be raised. It may further include a spiral spring for restoring force acting in a direction in which the rear end of the hip support is raised.

Also, according to the present invention, a lever may be installed on the hip support.

According to some embodiments of the present invention made as described above, in the reclining mode in which the backrest goes backward, the rear end of the hiprest is lifted using a 4-section link type full flat device or a sliding full flat device, so that the backrest It is fully flat with a flat shape as a whole to sufficiently support the hip and waist of the seated person, thereby having the effect of making the seated person comfortable to use in a lying posture. Of course, the scope of the present invention is not limited by these effects.

1 is a perspective view showing a seating state of a full flat seat according to some embodiments of the present invention.
Fig. 2 is a perspective view showing a full flat state of the full flat sheet of Fig. 1;
3 to 5 are side views showing the full flat process of the full flat sheet of FIG. 1 step by step.
6 is a perspective view showing a seating state of a full flat seat according to some other embodiments of the present invention.
Fig. 7 is a perspective view showing a full flat state of the full flat sheet of Fig. 6;
8 to 10 are side views showing the full flat process of the full flat sheet of FIG. 6 step by step.

Hereinafter, various embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments of the present invention are provided to more completely explain the present invention to those skilled in the art, and the following examples may be modified in many different forms, and the scope of the present invention is as follows It is not limited to the examples. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the spirit of the invention to those skilled in the art. In addition, the thickness or size of each layer in the drawings is exaggerated for convenience and clarity of explanation.

Terms used in this specification are used to describe specific embodiments and are not intended to limit the present invention. As used herein, the singular form may include the plural form unless the context clearly indicates otherwise. Also, when used herein, "comprise" and/or "comprising" specifies the presence of the recited shapes, numbers, steps, operations, elements, elements, and/or groups thereof. and does not exclude the presence or addition of one or more other shapes, numbers, operations, elements, elements and/or groups.

Hereinafter, embodiments of the present invention will be described with reference to drawings schematically showing ideal embodiments of the present invention. In the drawings, variations of the depicted shape may be expected, depending on, for example, manufacturing techniques and/or tolerances. Therefore, embodiments of the inventive concept should not be construed as being limited to the specific shape of the region shown in this specification, but should include, for example, a change in shape caused by manufacturing.

Hereinafter, a full flat sheet according to various embodiments of the present invention will be described in detail with reference to the drawings.

1 is a perspective view showing a seated state of a full flat seat 100 according to some embodiments of the present invention, FIG. 2 is a perspective view showing a full flat state of the full flat seat 100 of FIG. 1, and FIG. 3 is It is a side view which shows the full flat seat 100 of FIG.

First, as shown in FIGS. 1 to 3 , a full flat seat 100 according to some embodiments of the present invention may include a backrest 10, a hiprest 20, and a full flat device. can

For example, as shown in FIGS. 1 to 3, the backrest 10 is a part corresponding to the seated person's back, and is made of a hard material such as plastic or metal, or a soft cloth or synthetic/natural leather in a frame or a sponge or Various cushion structures in which urethane or springs are installed may be applied.

The shape or type of the backrest 10 is not necessarily limited to the drawings, and various shapes or types of seat structures corresponding to the seated person's back may be applied.

In addition, for example, as shown in FIGS. 1 to 3, the hip support 10 is a part corresponding to the seated person's buttocks, and is made of a hard material such as plastic or metal, or a soft cloth or synthetic/natural leather frame. Various cushion structures in which sponges, urethanes, or springs are installed may be applied.

The shape or type of the hip support 10 is not necessarily limited to the drawing, and various shapes or types of seat structures corresponding to the seated person's back may be applied.

In addition, the full flat device is a reclining mode in which the backrest 10 moves backward with respect to the hiprest 20, and a rear end of the hiprest 20 rises to move the backrest in the reclining mode. A kind of multi-joint device that sequentially or simultaneously performs a full flat mode that becomes a flat shape as a whole together with the table 10 may be applied.

More specifically, for example, in the full flat device, the recline mode is performed until the backrest 10 reaches the reference angle K, and the full flat mode is performed when the backrest 10 exceeds the reference angle K. A four-section link type full flat device 30 composed of four links 31, 32, 33, and 34 interlocked by at least one or more of the stoppers (S) rotating together with the backrest (10) may be applied.

Here, as shown in FIGS. 1 to 3, the four-section link type full flat device 30 is fixed to the installation surface or floor, and the 1-1 hinge axis 1-1 and the 1-2 The first link 31 on which the hinge axis 1-2 is formed, the 2-1 hinge axis 2-1 and the 2-2 hinge axis 2-2 are formed, and the 2-1 The second link 32 in which the hinge shaft 2-1 is connected to the 1-1 hinge shaft 1-1, the 3-1 hinge shaft 3-1 and the 3-2 hinge shaft ( 3-2) is formed, the 3-1 hinge axis 3-1 is connected to the 2-2 hinge axis 2-2, and the third link fixed to the hip support 20 (33) and the 4-1 hinge axis 4-1 and the 4-2 hinge axis 4-2 are formed, and the 4-1 hinge axis 4-1 is the 3-2 hinge It is connected to the shaft 3-2, the 4-2 hinge shaft 4-2 is connected to the 1-2 hinge shaft 1-2, and the 4-2 hinge shaft 4-2 ) is fixed to the backrest base 10 and is pressed by the stopper S reclining together with the backrest base 10, so that the buttockrest base ( 20) may include a fourth link 34 for lifting.

In addition, for example, the 4-2 hinge shaft 4-2 of the fourth link 34 is freely rotatably supported by the fixed bracket B, and the rotation axis Ba of the fixed bracket B is centered , the backrest 10 can be rotated, and the stopper S can be spaced apart from the rotating shaft Ba by the distance L1 and rotated along an arcuate trajectory.

In addition, for example, as shown in FIG. 3, the fourth link 34 connects the side surface of the buttock rest 20 and the backrest 10 so that the seated person does not interfere with the seated person in a sitting state. At least a portion along the side of the bent portion (R) bent in an L-shape as a whole may be formed.

Therefore, when the seated person performs a reclining mode in which the backrest 10 is turned backward, the stopper S along with the backrest 10 is rotated along an arcuate trajectory by more than the reference angle K, and the fourth The extended portion C of the link 34 is pressed, and the fourth link 34 lifts the third link 33 in the principle of a lever by the pressed extended portion C, thereby lifting the backrest. In conjunction with the reclining operation of the table 10, the rear end of the hip rest 20 rises, and in the reclining mode, a full flat mode in which the entire shape is flat along with the back rest 10 can be simultaneously performed.

3 to 5 are side views showing the full flat process of the full flat sheet 100 of FIG. 1 step by step.

As shown in FIGS. 3 to 5, the operation process of the full flat seat 100 according to some embodiments of the present invention will be described step by step. First, as shown in (a) of FIG. 3, seating When the hip rest 20 is in a standby state with respect to the back rest 10 so that the person can sit down, as shown in (b) of FIG. As a result, the fourth link 34 can stand by in a lowered state together with the rear end of the buttock rest 20 .

Subsequently, as shown in (a) of FIG. 4, when the user turns over the backrest 10 to perform the reclining mode, as shown in (b) of FIG. 4, the backrest 10 The formed stopper (S) is rotated along an arcuate trajectory up to a reference angle (K) according to the angle of the backrest (10), and then the stopper (S) is connected to the extension (C) of the fourth link (34). It is in contact with the extension portion (C) can be pressed.

Subsequently, as shown in (a) and (b) of FIG. 5, the fourth link 34 lifts the third link 33 with the principle of a lever by the extended portion C being pressed. In conjunction with the reclining operation of the backrest 10, the rear end of the hiprest 20 rises to perform a full flat mode in which the overall shape is flat together with the backrest 10 in the reclining mode. .

Therefore, in the reclining mode in which the backrest 10 rolls over backwards, the rear end of the buttockrest 20 is lifted using the 4-section link type full flat device 30 so that the backrest 10 and Together, they are fully flat in a flat shape to sufficiently support the hips and waist of the seated person, thereby allowing the seated person to use them comfortably in a lying posture.

6 is a perspective view showing a seated state of a full flat seat 200 according to some other embodiments of the present invention, FIG. 7 is a perspective view showing a full flat state of the full flat seat 200 of FIG. 6, and FIG. 8 is a side view showing the full flat sheet 200 of FIG. 6 .

6 to 8, in the full flat device of the full flat seat 200 according to some other embodiments of the present invention, the reclining mode in which the backrest 10 is turned over is performed, , Sliding full flat in which at least one link 41, 42 slides so that the full flat mode in which the hip support 20 is selectively lifted by the wire W or the lever L can be performed. Apparatus 40 may be applied.

More specifically, for example, the sliding full flat device 40 includes a fixing bracket 43 on which the rotating shaft 10a of the backrest 10 is formed and fixed to an installation surface or floor, and a 1-1 A hinge axis 1-1 and a 1-2 hinge axis 1-2 are formed, and the 1-1 hinge axis 1-1 is connected to the front end of the hip rest 20, The first interlocking link 41 to which the 1-2 hinge axis 1-2 is connected to the front end of the fixing bracket 43, the 2-1 hinge axis 2-1 and the 2-2 A hinge axis 2-2 is formed, the 2-1 hinge axis 2-1 is connected to the rear end of the hip rest 20, and the rear end of the hip rest 20 rises The second interlocking link 42 formed so that the 2-2 hinge axis 2-2 can slide in the sliding groove portion G formed in the middle portion of the fixing bracket 43, 2 A wire (W) installed on the 2-2 hinge shaft (2-2) or the locking device (LK) so that the interlocking link 42 can be erected or the locking device LK can be released, and the second 1-2 It is installed between the hinge shaft (1-2) and the fixing bracket (43), and when tension is applied to the wire (W) or the locking device (LK) is released, the hip rest (20) A spiral spring SE acting as a restoring force in a direction in which the rear end of the buttock support 20 rises may be included so that the rear end of the hip rest 20 can rise.

Here, the wire W may be wound around the rotating shaft of the backrest 10 or connected to a separate switch or lever so as to interlock with the backrest 10 .

In addition, a lever L may be installed on the buttock rest 20 so as to facilitate manual manipulation of a seated person.

Therefore, when tension is applied to the wire (W), the locking device (LK) is released, and the lower end of the second interlocking link (42) along the sliding groove (G) by the restoring force of the spiral spring (SE) The full flat mode in which the rear end of the buttock support 20 is raised by raising the second interlocking link 42 while sliding may be performed.

8 to 10 are side views showing the full flat process of the full flat sheet 200 of FIG. 6 step by step.

As shown in FIGS. 8 to 10, a step-by-step description of the operation process of the full flat seat 200 according to some other embodiments of the present invention, first, as shown in FIG. 8, a seated person can sit When the hip rest 20 is in a standby state with respect to the back rest 10, the second interlocking link 42 is bound in a lying state by the locking device LK, so that the butt rest rest (20) can stand by with the rear end lowered.

Subsequently, as shown in FIG. 9 , when the user turns the backrest 10 over backwards to perform the reclining mode, the backrest 10 can be freely rolled back or reclined to a specific angle.

Then, as shown in FIG. 10, when a seated person operates a switch or lever or interlocks with the backrest 10 to apply tension to the wire W, the locking device LK is released and the spiral spring SE As the lower end of the second interlocking link 42 slides along the sliding groove part G by the restoring force of ), the second interlocking link 42 is erected and the rear end of the hip support 20 rises. A full flat mode can be performed.

Therefore, in the reclining mode in which the backrest 10 moves backward, the rear end of the buttockrest 20 is lifted using the sliding full flat device 40 so that the backrest 10 and the backrest 10 are generally flat. It is fully flat in shape and sufficiently supports the hip and waist of the seated person, thereby allowing the seated person to use it comfortably in a lying posture.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

10: backrest
10a: axis of rotation
20: hip support
K: reference angle
30: 4-section link type full flat device
31: first link
32: second link
33: third link
34: fourth link
1-1: 1-1 hinge axis
1-2: 1st-2nd hinge axis
2-1: 2-1 hinge axis
2-2: 2-2nd hinge axis
3-1: 3-1 hinge axis
3-2: 3-2 hinge axis
4-1: 4-1 hinge axis
4-2: 4-2 hinge axis
C: extension
S: stopper
B: fixed bracket
Ba: axis of rotation
L1: separation distance
R: bend
40: sliding pull flat device
41: first interlocking link
42: second interlocking link
43: fixed bracket
G: sliding groove
LK: locking device
W: wire
SE: Spiral Spring
L: Lever
100, 200: full flat seat

Claims (10)

backrest;
hip support; and
A reclining mode in which the backrest goes backwards based on the hiprest, and a full flat mode in which the rear end of the hiprest rises to form a flat shape as a whole together with the backrest in the reclining mode. Fully performing sequentially or simultaneously Includes a flat device;
The full flat device,
A sliding full-flat device in which at least one link slides so that the reclining mode in which the backrest is moved backward is performed and the full-flat mode in which the buttockrest is selectively lifted by a wire or a lever is performed,
The sliding full flat device,
a fixing bracket on which the axis of rotation of the backrest is formed and fixed to an installation surface or a floor;
A 1-1 hinge axis and a 1-2 hinge axis are formed, the 1-1 hinge axis is connected to the front end of the hip support, and the 1-2 hinge axis is connected to the front end of the fixing bracket. a first interlocking link to be connected; and
A 2-1 hinge axis and a 2-2 hinge axis are formed, the 2-1 hinge axis is connected to the rear end of the hip rest, and the rear end of the hip rest can be raised so that the 2-1 2 a second interlocking link in which a hinge shaft is slidably formed in a sliding groove formed in a middle portion of the fixing bracket;
Including, full flat sheet. backrest;
hip support; and
A reclining mode in which the backrest goes backwards based on the hiprest, and a full flat mode in which the rear end of the hiprest rises to form a flat shape as a whole together with the backrest in the reclining mode. Fully performing sequentially or simultaneously flat device; including,
The full flat device,
Four sections composed of four links interlocked by at least one stopper rotating together with the backrest so that the reclining mode is performed until the backrest is at a reference angle, and the full flat mode is performed when the backrest exceeds the reference angle. It is a link type full flat device,
The four-section link type full flat device,
A first link fixed to an installation surface or a floor and having a 1-1 hinge axis and a 1-2 hinge axis formed thereon;
a second link having a 2-1st hinge axis and a 2-2nd hinge axis, the 2-1st hinge axis being connected to the 1-1st hinge axis;
a third link in which a 3-1 hinge axis and a 3-2 hinge axis are formed, the 3-1 hinge axis is connected to the 2-2 hinge axis, and is fixed to the buttock support; and
A 4-1-th hinge axis and a 4-2-th hinge axis are formed, the 4-1-th hinge axis is connected to the 3-2-th hinge axis, and the 4-2-th hinge axis forms the 1-2 hinge axis. An extension connected to the shaft and extending beyond the 4-2 hinge shaft is fixed to the backrest and is pressed by the stopper that reclines with the backrest to lift the hiprest using the principle of a lever. 4 links;
Including, full flat sheet. delete According to claim 2,
The 4-2 hinge shaft of the fourth link is freely rotatably supported by a fixing bracket,
The backrest can be rotated around the axis of rotation of the fixing bracket,
The stopper is spaced apart from the rotation axis by a distance and rotated along an arcuate trajectory, full flat sheet. According to claim 2,
The fourth link is formed with a bent portion in which at least a portion of the backrest is bent in an L shape as a whole along a side surface of the backrest and a side surface of the backrest. delete delete According to claim 1,
The sliding full flat device,
a wire installed on the 2-2 hinge axis or the locking device to erect the second interlocking link or release the locking device;
Further comprising a full flat sheet. According to claim 8,
It is installed between the 1-2 hinge shaft and the fixing bracket, and when tension is applied to the wire or the locking device is released, the rear end of the butt rest is raised so that the rear end of the butt rest can be raised. a spiral spring in which restoring force acts in the direction;
Further comprising a full flat sheet. According to claim 9,
A full flat seat in which a lever is installed on the hip support.

Images