KR102127797B1 - Frame of assembled sofa - Google Patents

Abstract

A prefabricated sofa frame is disclosed. The prefabricated sofa frame includes a plurality of first frames including a pillar-shaped first frame having a bottom supporting a floor and a pillar-shaped second frame connected to the first frame and formed in a front to rear direction of the prefabricated sofa frame. Lower support frames, at least one first horizontal frame coupled horizontally between the second frames of the first lower support frame, one end coupled to the first horizontal frame and the other end toward the rear of the prefabricated sofa frame At least one second lower support frame for supporting the floor, a plurality of vertical frames coupled to each of the second frame of the first lower support frame in the rear direction of the prefabricated sofa frame, formed in a vertical direction, the vertical At least one second horizontal frame coupled horizontally between the frames and a first angle adjustment frame coupled horizontally between the second frames of the first lower support frame and positioned above the second lower support frame. It may be provided.

Description

Frame of assembled sofa

The present invention relates to a prefabricated sofa frame, and particularly to a prefabricated sofa frame that can adjust the inclination of the lower cushion or back cushion as well as having a structure that can give the illusion that the rear portion is floating in the air.

The sofa provides comfort to the seated person and is used in most living rooms. Such a sofa can provide softness and comfort by placing a lower cushion supporting a seated person's hips and a back cushion supporting a seated person's back on a frame.

However, most of the existing sofas have the same shape and only differ in cushion or cover material, and have a structure that can adjust the inclination of the lower back cushion that supports the seat of the seat or the back cushion that supports the seat of the seat. There is a problem in that it is difficult to adjust the inclination of the cushion at an angle desired by the user. In relation to the existing prefabricated sofa, there are a number of published structures such as registered utility model No. 20-0460091, but most prefabricated sofas have the same shape as the existing one when combined and have a structure that makes it difficult to adjust the slope of the cushion. have.

The problem to be solved by the present invention is to provide a prefabricated sofa frame that not only has a structure capable of giving an illusion that the rear portion is floating in the air, but also can simply adjust the inclination of the lower cushion or back cushion.

The prefabricated sofa frame according to an embodiment of the present invention for achieving the above object is connected to the first frame and the first frame in the shape of a column supporting the bottom, and is formed in a front to rear direction of the prefabricated sofa frame A plurality of first lower support frames including a columnar second frame, at least one first horizontal frame coupled horizontally between the second frames of the first lower support frame, one end of which is the first horizontal At least one second lower support frame coupled to the frame and the other end supporting the floor in the rear direction of the prefabricated sofa frame, coupled with each of the second frames of the first lower support frame in the rear direction of the prefabricated sofa frame, A plurality of vertical frames formed in a vertical direction, at least one second horizontal frame coupled horizontally between the vertical frames and a second frame coupled horizontally between the second frames of the first lower support frame. A first angle adjustment frame positioned on the lower support frame may be provided.

The prefabricated sofa frame may be coupled such that a position where the first horizontal frame or the first angle adjustment frame is coupled on the second frame of the first lower support frame is changeable.

A plurality of holes are formed on the second frame of the first lower support frame, and the first horizontal frame or the first angle adjustment frame is one of the holes formed on the second frame of the first lower support frame. It can be fixed by being coupled to one hole.

The prefabricated sofa frame may further include a second angle adjustment frame coupled horizontally between the vertical frames in a front direction of the vertical frame.

The prefabricated sofa frame may be combined such that a position where the second angle adjustment frame is coupled on the vertical frame is changeable.

A plurality of holes are formed on the vertical frame, and the second angle adjustment frame may be fixed by being coupled to one of the holes formed on the vertical frame.

The prefabricated sofa frame, at least one shelf coupled to the vertical frame or the second horizontal frame and extending in the rear direction of the prefabricated sofa frame and the second lower support frame to support the lower surface of the shelf A support frame may be further provided.

The prefabricated sofa frame according to an embodiment of the present invention for achieving the above object is connected to the first frame and the first frame in the shape of a column supporting the bottom, and is formed in a front to rear direction of the prefabricated sofa frame A plurality of first lower support frames including a columnar second frame, at least one first horizontal frame coupled horizontally between the second frames of the first lower support frame, one end of which is the first horizontal At least one second lower support frame coupled to the frame and the other end supporting the floor in the rear direction of the prefabricated sofa frame, coupled with each of the second frames of the first lower support frame in the rear direction of the prefabricated sofa frame, A plurality of vertical frames formed in the vertical direction, the first angle adjustment frame coupled to the horizontal direction between the second frame of the first lower support frame and located on top of the second lower support frame and the front of the vertical frame In the direction, a second angle adjustment frame coupled horizontally between the vertical frames may be provided.

Prefabricated sofa frame according to an embodiment of the present invention has the advantage of providing a sofa frame shape of a new structure that can give the illusion that the rear portion is floating in the air when the cushion is released. In addition, the prefabricated sofa frame according to an embodiment of the present invention has the advantage of being able to set the slope of the cushion desired by the user by adjusting the engagement position of some parts. For example, in the present invention, the inclination of the lower cushion supporting the hip of the seated person can be adjusted by changing the combined position of the first angle adjustment frame, and the seat of the seated person is changed by changing the combined position of the second angle adjustment frame. Since the inclination of the supporting backrest cushion can be adjusted, the user can adjust the inclination of the cushion at an angle desired by the user by adjusting only the coupling position of some parts as necessary.

BRIEF DESCRIPTION OF THE DRAWINGS In order to better understand the drawings cited in the detailed description of the present invention, a brief description of each drawing is provided.
1 is a perspective view of a prefabricated sofa frame according to an embodiment of the present invention.
FIG. 2 is a left side view of the prefabricated sofa frame of FIG. 1 as viewed from the side.
3 is a perspective view of a prefabricated sofa frame according to another embodiment according to the technical spirit of the present invention.
4 is a left side view of the prefabricated sofa frame of FIG. 3 as viewed from the side.
5 is a perspective view showing a state in which the cushion is placed on the prefabricated sofa frame of FIG.
6 is a view for explaining a case of adjusting the slope of the lower cushion in the prefabricated sofa frame of FIGS.
7 is a view for explaining a case of adjusting the inclination of the backrest cushion in the prefabricated sofa frame of FIGS. 3 to 5.
8 is a perspective view of a prefabricated sofa frame according to another embodiment according to the technical spirit of the present invention.
9 is a left side view of the prefabricated sofa frame of FIG. 8 as viewed from the side.
10 is a perspective view of a prefabricated sofa frame according to another embodiment according to the technical spirit of the present invention.

In order to fully understand the present invention, the operational advantages of the present invention, and the objects achieved by the practice of the present invention, reference should be made to the accompanying drawings and the contents described in the drawings, which illustrate preferred embodiments of the present invention.

Hereinafter, the present invention will be described in detail by explaining preferred embodiments of the present invention with reference to the accompanying drawings. The same reference numerals in each drawing denote the same members.

1 is a perspective view of a prefabricated sofa frame 100 according to an embodiment according to the technical spirit of the present invention, and FIG. 2 is a left side view of the prefabricated sofa frame 100 of FIG. 1 as viewed from the side.

1 and 2, the prefabricated sofa frame 100 includes a plurality of first lower supporting frames 110, at least one first horizontal frame 120, and at least one second lower supporting frame 130. , A plurality of vertical frames 140, at least one second horizontal frame 150 and the first angle adjustment frame 160 may be provided.

The first lower support frame 110 may include a first frame 111 and a second frame 115. The first frame 111 and the second frame 115 may be integrally formed or assembled to form the first lower support frame 110.

The first frame 111 may be a columnar frame with a lower portion supporting the floor. In the first frame 111, the entire lower surface does not support the floor, and only a part of the lower surface (for example, one corner of the lower surface) may support the floor. The second frame 115 is connected to the first frame 111 and is formed in a front-to-back direction of the prefabricated sofa frame 100 and may have a column shape. For example, one end of the second frame 115 and an upper portion of the first frame 111 are combined, so that the first lower support frame 100 has a shape that extends from the front side of the prefabricated sofa frame 100 toward the rear side. Can. However, the present invention is not limited to this case, and one end of the second frame 115 is coupled to the middle of the first frame 111 so that the first lower support frame 100 is the front surface of the prefabricated sofa frame 100. It may have a ┣ shape in the rear direction. The coupling angle between the second frame 115 and the first frame 111 may be vertical, but the present invention is not limited to this case, and the first frame 111 and the second frame 115 are different from each other. It can also be combined with an angle.

The first horizontal frame 120 may be horizontally coupled between the second frames 115 of the first lower support frame 110. 1 and 2 show the case where the first horizontal frame 120 is coupled to a position spaced apart from the end of the second frame 115 coupled with the first frame 111, but the present invention is used in this case. The first horizontal frame 120 is not limited, and may be coupled to the end of the second frame 115 coupled to the first frame 111. In addition, although FIG. 1 and FIG. 2 illustrate a case in which one first horizontal frame 120 is coupled between the second frames 115, the plurality of first horizontal frames 120 may include the second frames ( 115).

The second lower support frame 130 may have one end coupled to the first horizontal frame 120 and the other end supporting the floor in the rear direction of the prefabricated sofa frame 100. That is, since the second lower support frame 130 is located between the first horizontal frame 120 and the floor, it can be coupled to the first horizontal frame 120 while having a slope from the first horizontal frame 120 to the floor. have. The second lower support frame 130 may have a column shape as shown in FIGS. 1 and 2, but the present invention is not limited to this case and may be located between the first horizontal frame 120 and the floor. If present, it may have a different shape. In the first horizontal frame 120, like the first frame 111, the entire other end does not support the floor, and only a part of the other end (for example, an edge of one of the other ends) may support the floor. Since the second lower support frame 130 has a slope and is located from the first horizontal frame 120 to the floor, the first frame 111 does not have a vertical position on the floor and supports the floor with a slope.

The vertical frame 140 may be combined with each of the second frames 115 of the first lower support frame 110 in the rear direction of the prefabricated sofa frame 100 and may be formed in the vertical direction. For example, the vertical frame 140 may be coupled to the end of the second frame 115 in the opposite direction of the position where the first frame 111 and the second frame 115 are combined. In addition, the vertical frame 140 may be combined with the second frame 115 in the vertical direction, but the present invention is not limited to this case and may be combined with the second frame 115 with a different angle.

The second horizontal frame 150 may be coupled in the horizontal direction between the vertical frames 140. The second horizontal frame 150 performs a function of supporting the backrest cushion and fixing the vertical frames 140. In FIG. 1 and FIG. 2, one second horizontal frame 150 is shown, but a different number of The second horizontal frame 150 may be coupled between the vertical frames 140.

The first angle adjustment frame 160 may be horizontally coupled between the second frames 115 of the first lower support frame 110 and may be positioned above the second lower support frame 130. The first angle adjustment frame 160 may not be separately fixedly coupled to the upper portion of the second lower supporting frame 130 and may be located on the upper portion of the second lower supporting frame 130, or to the second lower supporting frame 130. It may be fixedly coupled to the top. The first angle adjustment frame 160 may be coupled to the second frame 115 in the rear direction of the prefabricated sofa frame 100 than the first horizontal frame 120.

The first horizontal frame 120 or the first angle adjustment frame 160 may be combined such that a position coupled to the second frame 115 of the first lower support frame 110 is changeable. As the first horizontal frame 120 is coupled to the second frame 115 in the front direction of the prefabricated sofa frame 100, the slope of the second lower support frame 130 becomes steeper, and the first horizontal frame 120 is prefabricated The more the second frame 115 is coupled in the rear direction of the sofa frame 100, the lower the slope of the second lower support frame 130 becomes. Therefore, the inclination of the lower cushion can be adjusted by differently positioning the first horizontal frame 120.

In addition, as the first angle adjustment frame 160 is coupled to the second frame 115 in the front direction of the prefabricated sofa frame 100, the first horizontal frame 120 and the first angle adjustment frame 160 are placed on top. The slope of the lower cushion becomes gentle, and as the first angle adjustment frame 160 is coupled to the second frame 115 in the rear direction of the prefabricated sofa frame 100, the first horizontal frame 120 and the first angle adjustment frame (160) The slope of the lower cushion placed on the upper side becomes steep. In this way, the inclination of the lower cushion can be adjusted by changing the engagement position of the first angle adjustment frame 160. An embodiment of adjusting the inclination of the lower cushion by changing the engagement position of the first angle adjustment frame 160 will be described in more detail with reference to FIG. 6.

A plurality of holes are formed on the second frame 115 of the first lower support frame 110, and the first horizontal frame 120 or the first angle adjustment frame 160 is the first lower support frame 110 One of the holes formed on the second frame 115 may be fixed by being coupled, for example, the first horizontal frame 120 and the first angle adjustment frame 160 have at least one end surface. A through-hole having a U-shape or a U-shape having a through hole formed therein, a screw or the like formed in the through hole formed at the ends of the first horizontal frame 120 and the first angle adjustment frame 160 and the hole formed on the second frame 115 By fastening means of the can be combined. And by simply changing the position of the hole of the second frame 115 to which the fastening means is coupled, simply adjust the position where the first horizontal frame 120 or the first angle adjustment frame 160 is coupled to the second frame 115. Can.

3 is a perspective view of a prefabricated sofa frame 300 according to another embodiment according to the technical idea of the present invention, FIG. 4 is a left side view of the prefabricated sofa frame 300 of FIG. 3 viewed from the side, and FIG. 1 is a perspective view showing a cushion placed on the prefabricated sofa frame 300.

1 to 5, the prefabricated sofa frame 300 includes a plurality of first lower support frames 110, at least one first horizontal frame 120, and at least one second lower support frame 130. , A plurality of vertical frames 140, at least one second horizontal frame 150, a first angle adjustment frame 160 and a second angle adjustment frame 170 may be provided. That is, the prefabricated sofa frame 300 according to the embodiment of FIGS. 3 to 5 is an embodiment in the case where the second angle adjustment frame 170 is added to the prefabricated sofa frame 100 of FIGS. 1 and 2. Hereinafter, a plurality of first lower supporting frames 110, at least one first horizontal frame 120, at least one second lower supporting frame 130, and a plurality of vertical frames 140 of the prefabricated sofa frame 300 ), the at least one second horizontal frame 150 and the first angle adjustment frame 160 have been described in detail with reference to FIGS. 1 and 2, and thus the overlapping contents will be replaced with the description of FIGS. 1 and 2.

The second angle adjustment frame 170 may be horizontally coupled between the vertical frames 140 in the front direction of the vertical frames 140. That is, the second angle adjustment frame 170 is not coupled on the same plane as the vertical frame 140 between the vertical frames 140, but the prefabricated sofa frame 100 on the front surface of the vertical frame 140. Protruding in the front direction of the can be combined.

The second angle adjustment frame 170 may be combined such that a position coupled to the vertical frame 140 is changeable. As the second angle adjustment frame 170 is combined in the upper direction of the vertical frame 140, the inclination of the backrest cushion placed on the second horizontal frame 150 and the second angle adjustment frame 170 becomes gentle, and the second The more the angle adjustment frame 170 is combined in the lower direction of the vertical frame 140, the steeper the slope of the backrest cushion placed on the second horizontal frame 150 and the second angle adjustment frame 170 is. In this way, the inclination of the backrest cushion can be adjusted by changing the engagement position of the second angle adjustment frame 170. An embodiment in which the inclination of the backrest cushion is adjusted by changing the engagement position of the second angle adjustment frame 170 will be described in more detail with reference to FIG. 7.

A plurality of holes are formed on the vertical frame 140, and the second angle adjustment frame 170 can be fixed by being coupled to one of the holes formed on the vertical frame 140. 2 The angle adjustment frame 170 has a U-shape or a C-shape with a through hole formed at at least one surface of the end, and on the through-hole and the vertical frame 140 formed at the end of the second angle adjustment frame 170. A fastening means such as a screw may be coupled to the formed hole to be coupled. In addition, by changing the position of the hole of the vertical frame 140 to which the fastening means are coupled, it is possible to simply adjust the position at which the second angle adjustment frame 170 is coupled to the vertical frame 140.

6 is a view for explaining the case of adjusting the slope of the lower cushion in the prefabricated sofa frame of Figures 1 to 5, Figure 7 is a case of adjusting the inclination of the backrest cushion in the prefabricated sofa frame of Figures 3 to 5 It is a figure for illustration.

First, a case of adjusting the inclination of the lower cushion will be described with reference to FIGS. 1 to 6. In FIG. 6, (a) is a case where the first angle adjustment frame 160 is in the position of (1), (b) is a case where the first angle adjustment frame 160 is in the position of (2), ( c) is a case where the first angle adjustment frame 160 is in the position (3). In the case of Fig. 6 (a), the first frame 111 of the first lower support frame 110 is located in the position (1) close to the front direction of the prefabricated sofa frame 100, the first angle adjustment frame 160 ) And the angle formed by the floor is the smallest of the three cases, so when the lower cushion is placed, the slope of the lower cushion becomes gentle. In the case of (b) of FIG. 6, the first frame 111 of the first lower support frame 110 is located at the position of (2) close to the rear direction of the prefabricated sofa frame 100. ) And the angle formed by the floor is ⓨ, which is the largest of the three cases, so when the lower cushion is placed, the slope of the lower cushion becomes steep. In the case of (c) of FIG. 6, the first angle adjusting frame 160 is located at the position (3) between the case of (a) and the case of (b), and the first of the first lower support frame 110 Since the angle between the frame 111 and the floor is ⓩ, it is larger than in (a) and smaller than in (b) among the three cases, so the slope of the lower cushion is steeper than in (a) when the lower cushion is placed. It is more gentle than in (b).

Next, a case of adjusting the slope of the lower cushion will be described with reference to FIGS. 1 to 7. In FIG. 7, (a) is a case where the second angle adjustment frame 170 is at the position (4), and (b) is a case where the second angle adjustment frame 170 is at the position (5). In the case of Fig. 7 (a), the second angle adjustment frame 170 is located at the position (4) close to the lower direction of the vertical frame 140, so that the backrest cushion is adjusted to the second horizontal frame 150 and the second angle. When coupled between the frame 170, the slope of the backrest cushion is steeped to ⓘ. In the case of (b) of Figure 7, the second angle adjustment frame 170 is in the position of (5) close to the upper direction of the vertical frame 140, the backrest cushion is the second horizontal frame 150 and the second angle adjustment When coupled between the frame 170, the slope of the backrest cushion becomes gentle as ⓙ.

8 is a perspective view of a prefabricated sofa frame 800 according to another embodiment according to the technical spirit of the present invention, and FIG. 9 is a left side view of the prefabricated sofa frame 800 of FIG. 8 as viewed from the side.

1 to 9, the prefabricated sofa frame 800 includes a plurality of first lower support frames 110, at least one first horizontal frame 120, and at least one second lower support frame 130. , A plurality of vertical frames 140, at least one second horizontal frame 150, a first angle adjustment frame 160, a second angle adjustment frame 170, a shelf 810 and at least one support frame ( 820). That is, the prefabricated sofa frame 800 according to the embodiment of FIGS. 8 and 9 has a shelf 810 and at least one support frame 820 added to the prefabricated sofa frames 100 and 300 of FIGS. 1 to 5. It is an example of the case. Hereinafter, a plurality of first lower supporting frames 110, at least one first horizontal frame 120, at least one second lower supporting frame 130, and a plurality of vertical frames 140 of the prefabricated sofa frame 800 ), at least one of the second horizontal frame 150, the first angle adjustment frame 160 and the second angle adjustment frame 170 has been described in detail with reference to FIGS. To the description of FIG. 7.

The shelf 810 of the prefabricated sofa frame 800 is coupled to the vertical frame 140 or the second horizontal frame 150 and may extend in the rear direction of the prefabricated sofa frame 800. 8 and 9 illustrate the case where the shelf 810 is coupled to the second horizontal frame 150 of the prefabricated sofa frame 800 of FIGS. 3 to 5, but the present invention is limited to this case. The shelf 810 may be coupled to the vertical frame 140 or may be coupled to the vertical frame 140 of the prefabricated sofa frame 100 of FIGS. 1 and 2.

The support frame 820 may be coupled to the second lower support frame 130 to support the lower surface of the shelf 810. The support frame 820 has one end coupled to the opposite direction of the second lower support frame 130 coupled to the first horizontal frame 120, and the other end can support the shelf 810, FIGS. 8 and 8 It may have a column shape as shown in 9. However, the support frame 820 does not necessarily have a column shape, and may have a different shape if it is coupled to the second lower support frame 130 to support the lower surface of the shelf 810.

10 is a perspective view of a prefabricated sofa frame 1000 according to another embodiment according to the technical spirit of the present invention.

1 to 10, the prefabricated sofa frame 1000 includes a plurality of first lower support frames 110, at least one first horizontal frame 120, and at least one second lower support frame 130. , A plurality of vertical frames 140, the first angle adjustment frame 160 and the second angle adjustment frame 170 may be provided. That is, the prefabricated sofa frame 1000 according to the embodiment of FIG. 10 is an embodiment in a case where the second horizontal frame 150 is removed from the prefabricated sofa frame 300 of FIGS. 3 to 5. That is, in the case of the prefabricated sofa frame 1000 according to the embodiment of FIG. 10, the second angle adjustment frame 170 is not only the original function but also the function of the second horizontal frame 150 in the embodiments of FIGS. 3 to 5. It is about when to do together. Since the description of each component has been described in detail with reference to FIGS. 1 to 7, the overlapping parts will be replaced with descriptions related to FIGS. 1 to 7. In addition, as illustrated in FIGS. 8 and 9, in the embodiment of FIG. 10, the shelf 810 may be combined on the vertical frame 140 and the shelf may be supported by the support frame 820.

As described above, optimal embodiments have been disclosed in the drawings and specifications. Although specific terms have been used herein, they are only used for the purpose of describing the present invention and are not used to limit the scope of the present invention as defined in the claims or the claims. Therefore, those skilled in the art will understand that various modifications and other equivalent 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.

Claims (11)

In the prefabricated sofa frame,
A plurality of first lower supporting frames including a pillar-shaped first frame having a lower portion supporting a floor and a pillar-shaped second frame connected to the first frame and formed in a front to rear direction of the prefabricated sofa frame;
At least one first horizontal frame coupled horizontally between the second frames of the first lower support frame;
At least one second lower support frame, one end of which is coupled to the first horizontal frame and the other end supports the floor in the rear direction of the prefabricated sofa frame;
A plurality of vertical frames combined with each of the second frames of the first lower support frame in the rear direction of the prefabricated sofa frame and formed in a vertical direction;
At least one second horizontal frame coupled horizontally between the vertical frames; And
And a first angle adjustment frame coupled horizontally between the second frames of the first lower support frame and positioned above the second lower support frame,
A plurality of holes are formed on the second frame of the first lower support frame,
The prefabricated sofa frame, characterized in that the first horizontal frame or the first angle adjustment frame is coupled to and fixed to one of the holes formed on the second frame of the first lower support frame. According to claim 1, The prefabricated sofa frame,
A prefabricated sofa frame, characterized in that the first horizontal frame or the first angle adjustment frame is coupled to the second frame of the first lower support frame so as to be changeable. delete According to claim 1, The prefabricated sofa frame,
A prefabricated sofa frame further comprising a second angle adjustment frame coupled horizontally between the vertical frames in the front direction of the vertical frame. The prefabricated sofa frame of claim 4,
Prefabricated sofa frame, characterized in that coupled to the position where the second angle adjustment frame is coupled to the vertical frame is changeable. According to claim 4,
A plurality of holes are formed on the vertical frame,
The second angle adjustment frame is a prefabricated sofa frame, characterized in that fixed to be coupled to one of the holes formed on the vertical frame. According to claim 1, The prefabricated sofa frame,
A shelf coupled to the vertical frame or the second horizontal frame and extending in a rear direction of the prefabricated sofa frame; And
The prefabricated sofa frame further comprises at least one support frame coupled to the second lower support frame to support the lower surface of the shelf. In the prefabricated sofa frame,
A plurality of first lower supporting frames including a pillar-shaped first frame having a lower portion supporting a floor and a pillar-shaped second frame connected to the first frame and formed in a front to rear direction of the prefabricated sofa frame;
At least one first horizontal frame coupled horizontally between the second frames of the first lower support frame;
At least one second lower support frame, one end of which is coupled to the first horizontal frame and the other end supports the floor in the rear direction of the prefabricated sofa frame;
A plurality of vertical frames combined with each of the second frames of the first lower support frame in the rear direction of the prefabricated sofa frame and formed in a vertical direction;
A first angle adjustment frame coupled horizontally between the second frames of the first lower support frame and positioned above the second lower support frame; And
A prefabricated sofa frame comprising a second angle adjustment frame coupled horizontally between the vertical frames in the front direction of the vertical frame. The prefabricated sofa frame of claim 8,
A prefabricated sofa frame, characterized in that the first horizontal frame or the first angle adjustment frame is coupled to the second frame of the first lower support frame so as to be changeable. The prefabricated sofa frame of claim 8,
Prefabricated sofa frame, characterized in that coupled to the position where the second angle adjustment frame is coupled to the vertical frame is changeable. The prefabricated sofa frame of claim 8,
A shelf coupled to the vertical frame and extending in a rear direction of the prefabricated sofa frame; And
The prefabricated sofa frame further comprises at least one support frame coupled to the second lower support frame to support the lower surface of the shelf.

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