KR20200018844A - Frame of assembled sofa - Google Patents

Abstract

Disclosed is a prefabricated sofa frame capable of simply adjusting the inclination of a lower or backrest cushion. According to the present invention, the prefabricated sofa frame comprises: a plurality of lower support frames including a pillar-shaped first frame with a lower part supporting a bottom and a pillar-shaped second frame connected to the first frame and formed in a direction from the front surface of the prefabricated sofa frame to the rear surface of the same; at least one first horizontal frame horizontally coupled between the second frames of the first lower support frame; at least one second lower support frame coupling one end to the first horizontal frame and having the other end supporting the bottom in the rear surface direction of the prefabricated sofa frame; a plurality of vertical frames coupled to the second frame of the first lower support frame in the rear surface direction of the prefabricated sofa frame and formed in a vertical direction; at least one second horizontal frame horizontally coupled between the vertical frames; and a first angle adjustment frame horizontally coupled between the second frames of the first lower support frame and placed on the upper part of the second lower support frame.

Description

Frame sofa assembled {Frame of assembled sofa}

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

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

However, most existing sofas have the same shape and differ only in cushion and cover materials, and have a structure that can adjust the inclination of the lower cushion that supports the seat of the seater and the back cushion that supports the seat of the seater. There was a problem that it is difficult for the user to adjust the inclination of the cushion to the desired angle. In relation to the existing prefabricated sofas, there are a number of published structures such as Utility Model No. 20-0460091, but most prefabricated sofas have the same shape as the existing one when combined, and have a structure that is difficult to control the inclination of the cushion. have.

The problem to be solved by the present invention is to provide a prefabricated sofa frame that can not only have a structure that can give an illusion, such as the back portion is floating in the air, but also simply adjust the inclination of the lower cushion or the 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 of the columnar bottom support the bottom and formed in the rear direction from the front of the prefabricated sofa frame A plurality of first lower support frames including a second frame of the column, at least one first horizontal frame coupled in a horizontal direction between the second frame of the first lower support frame, one end of the first horizontal frame At least one second lower support frame coupled to the frame and the other end supporting the bottom in a rear direction of the prefab sofa frame, each of the second frames of the first lower support frame in a rear direction of the prefab sofa frame, A plurality of vertical frames formed in a vertical direction, at least one of which is coupled in a horizontal direction between the vertical frames; Of the can, coupled in the horizontal direction between the two horizontal frame and a second frame of the first lower support frame having a first angle adjusting frame which is located on top of the second lower support frame.

The prefabricated sofa frame may be coupled to change the position where the first horizontal frame or the first angle adjusting frame is coupled on the second frame of the first lower support frame.

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 adjusting frame is formed of the holes formed on the second frame of the first lower support frame. It can be combined and fixed in one hole.

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

The prefabricated sofa frame may be coupled to change the position where the second angle adjustment frame is coupled on the vertical frame.

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

The prefabricated sofa frame is coupled to the vertical frame or the second horizontal frame and at least one shelf coupled to the second lower support frame and the shelf extending in the rear direction of the prefabricated sofa frame to support the bottom surface of the shelf. It may further include a support frame.

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 of the columnar bottom support the bottom and formed in the rear direction from the front of the prefabricated sofa frame A plurality of first lower support frames including a second frame of the column, at least one first horizontal frame coupled in a horizontal direction between the second frame of the first lower support frame, one end of the first horizontal frame At least one second lower support frame coupled to the frame and the other end supporting the bottom in a rear direction of the prefab sofa frame, each of the second frames of the first lower support frame in a rear direction of the prefab sofa frame, A plurality of vertical frames formed in the vertical direction, in the horizontal direction between the second frame of the first lower support frame It may be provided with a first angle adjusting frame coupled to and positioned above the second lower support frame and a second angle adjusting frame coupled in a horizontal direction between the vertical frame in the front direction of the vertical frame.

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 an illusion, as if the rear portion is floating in the air as a cushion. In addition, the prefabricated sofa frame according to an embodiment of the present invention has the advantage that the user can set the slope of the desired cushion by adjusting the coupling position of some parts. For example, according to the present invention, the inclination of the lower cushion supporting the hips of the seated person may be adjusted by changing the engagement position of the first angle adjustment frame, and the seated person's back may be changed by changing the engagement position of the second angle adjustment frame. Since the inclination of the supporting back cushion can be adjusted, the user can adjust the inclination of the cushion at a desired angle 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 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.
Figure 2 is a left side view of the assembled sofa frame of Figure 1 viewed from the side.
3 is a perspective view of a prefabricated sofa frame according to another embodiment according to the spirit of the present invention.
4 is a left side view of the assembled sofa frame of FIG.
5 is a perspective view showing a state in which a cushion is placed on the assembled sofa frame of FIG.
6 is a view for explaining the case of adjusting the inclination of the lower cushion in the prefabricated sofa frame of Figures 1 to 5.
7 is a view for explaining the case of adjusting the inclination of the back cushion in the prefabricated sofa frame of Figures 3 to 5.
8 is a perspective view of a prefabricated sofa frame according to another embodiment according to the spirit of the present invention.
9 is a left side view of the assembled sofa frame of FIG.
10 is a perspective view of a prefabricated sofa frame according to another embodiment according to the spirit of the present invention.

DETAILED DESCRIPTION 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 that illustrate preferred embodiments of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Like reference numerals in the drawings denote like elements.

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

1 and 2, the prefabricated sofa frame 100 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 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 may be assembled to form the first lower support frame 110.

The first frame 111 may be a columnar frame having a bottom supporting the bottom. The entire bottom surface of the first frame 111 does not support the bottom, and only a portion of the bottom (for example, one corner of the bottom surface) may support the bottom. The second frame 115 is connected to the first frame 111 and is formed in the rear direction from the front of the prefabricated sofa frame 100 may have a columnar shape. For example, one end of the second frame 115 and the upper portion of the first frame 111 is coupled so that the first lower support frame 100 may have a U-shape in the rear direction from the front of the prefabricated sofa frame 100. Can be. However, the present invention is not limited to this case, 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 of the prefabricated sofa frame 100. It may have a U-shape in the rear direction. A coupling angle between the second frame 115 and the first frame 111 may be vertical, but the present invention is not limited thereto, and the first frame 111 and the second frame 115 may be different from each other at right angles. It may be combined at an angle.

The first horizontal frame 120 may be coupled in a horizontal direction between the second frames 115 of the first lower support frame 110. 1 and 2 illustrate a case in which the first horizontal frame 120 is coupled to a position spaced apart from an end of the second frame 115 that is coupled to the first frame 111. The first horizontal frame 120 is not limited thereto and may be coupled to an end of the second frame 115 that is coupled to the first frame 111. 1 and 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).

One end of the second lower support frame 130 may be coupled to the first horizontal frame 120, and the other end of the second lower support frame 130 may support the floor in the rear direction of the prefabricated sofa frame 100. That is, since the second lower support frame 130 is positioned between the first horizontal frame 120 and the floor, the second lower support frame 130 may be coupled to the first horizontal frame 120 while having an inclination from the first horizontal frame 120 to the floor. have. The second lower support frame 130 may have a columnar shape as shown in FIGS. 1 and 2, but the present invention is not limited thereto, and may be located between the first horizontal frame 120 and the floor. If so, it may have a different shape. Like the first frame 111, the first horizontal frame 120 does not support the bottom of the entire other end, and only a part of the other end (for example, one edge of the other end) may support the bottom. Since the second lower support frame 130 is inclined and positioned from the first horizontal frame 120 to the bottom, the first frame 111 is also not vertically positioned on the floor to support the bottom.

The vertical frame 140 is coupled to each of the second frame 115 of the first lower support frame 110 in the rear direction of the prefabricated sofa frame 100, it may be formed in a vertical direction. For example, the vertical frame 140 may be coupled to an end of the second frame 115 in a direction opposite to the position where the first frame 111 and the second frame 115 are coupled. The vertical frame 140 may be coupled to the second frame 115 in the vertical direction, but the present invention is not limited thereto, and may be coupled to the second frame 115 at different angles.

The second horizontal frame 150 may be coupled in a horizontal direction between the vertical frames 140. The second horizontal frame 150 supports the back cushion and fixes the vertical frames 140. Although one second horizontal frame 150 is illustrated in FIGS. 1 and 2, the second horizontal frame 150 has a different number. 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 frame 115 of the first lower support frame 110 and positioned above the second lower support frame 130. The first angle adjustment frame 160 may be located on the second lower support frame 130 without being fixedly coupled to the upper portion of the second lower support frame 130 or on the second lower support 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 adjusting frame 160 may be coupled to change the position that is coupled on the second frame 115 of the first lower support frame 110. As the first horizontal frame 120 is coupled to the second frame 115 in the front direction of the assembled sofa frame 100, the slope of the second lower support frame 130 becomes steep, and the first horizontal frame 120 is assembled. As the second frame 115 is coupled to the second frame 115 in the rear direction of the sofa frame 100, the slope of the second lower support frame 130 is gentle. Therefore, the inclination of the lower cushion can be adjusted by changing the position of the first horizontal frame 120.

In addition, as the first angle adjusting frame 160 is coupled to the second frame 115 in the front direction of the prefabricated sofa frame 100, the first angle adjusting frame 160 is placed on the first horizontal frame 120 and the first angle adjusting frame 160. The slope of the lower cushion becomes smooth, and as the first angle adjusting frame 160 is coupled to the second frame 115 in the rear direction of the assembled sofa frame 100, the first horizontal frame 120 and the first angle adjusting frame The slope of the lower cushion placed on the upper portion is 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 adjusting frame 160 is the first lower support frame 110. It may be coupled to one of the holes formed on the second frame 115 of the fixed, for example, the first horizontal frame 120 and the first angle adjustment frame 160 is at least one end of the surface The through hole is formed in the U-shaped or c-shaped, the through-hole formed in the end of the first horizontal frame 120 and the first angle adjustment frame 160 and the screw formed in the hole formed on the second frame 115 The fastening means of can be combined by combining. In addition, by changing the position of the hole of the second frame 115 to which the fastening means is coupled, the position where the first horizontal frame 120 or the first angle adjusting frame 160 is coupled to the second frame 115 is simply adjusted. Can be.

3 is a perspective view of a prefabricated sofa frame 300 according to another embodiment of the present invention, FIG. 4 is a left side view of the prefabricated sofa frame 300 of FIG. 3, and FIG. 5 is a view of FIG. 1 is a perspective view illustrating a state in which a cushion is placed on the assembled 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 adjusting frame 160, and a second angle adjusting frame 170. That is, the prefabricated sofa frame 300 according to the embodiment of FIGS. 3 to 5 is an embodiment in which the second angle adjustment frame 170 is added to the prefabricated sofa frame 100 of FIGS. 1 and 2. Hereinafter, the plurality of first lower support frames 110, the at least one first horizontal frame 120, the at least one second lower support frame 130, and the plurality of vertical frames 140 of the assembled sofa frame 300. ), Since the at least one second horizontal frame 150 and the first angle adjusting frame 160 have been described in detail with reference to FIGS. 1 and 2, the overlapping description will be replaced with the description of FIGS. 1 and 2.

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

The second angle adjustment frame 170 may be coupled to change the position that is coupled on the vertical frame 140. As the second angle adjusting frame 170 is coupled in the upper direction of the vertical frame 140, the slope of the backrest cushion placed on the second horizontal frame 150 and the second angle adjusting frame 170 becomes gentle, and the second As the angle adjusting frame 170 is coupled in the lower direction of the vertical frame 140, the inclination of the backrest cushion placed on the second horizontal frame 150 and the second angle adjusting frame 170 becomes steep. 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 of adjusting the inclination of the back cushion 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 adjusting frame 170 may be coupled to and fixed to one of the holes formed on the vertical frame 140, for example, The second angle adjusting frame 170 has a c-shape or a c-shape with a through hole formed on at least one surface of the end thereof, and is formed on the vertical frame 140 and the through hole formed at the end of the second angle adjusting frame 170. Fastening means such as screws may be coupled to the formed holes. In addition, by changing the position of the hole of the vertical frame 140 to which the fastening means is coupled, the position where the second angle adjusting frame 170 is coupled to the vertical frame 140 can be adjusted.

6 is a view illustrating a case of adjusting the inclination 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 back cushion in the prefabricated sofa frame of Figures 3 to 5. It is a figure for demonstrating.

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

Next, a case of adjusting the inclination of the lower cushion will be described with reference to FIGS. 1 to 7. In Figure 7 (a) is a case where the second angle adjustment frame 170 is in the position of (4), (b) is a case where the second angle adjustment frame 170 is in the position of (5). In the case of Figure 7 (a), the second angle adjustment frame 170 is in the position of (4) close to the lower direction of the vertical frame 140, the back cushion is the second horizontal frame 150 and the second angle adjustment When coupled between the frames 170, the slope of the backrest cushion is steep to ⓘ. In the case of Figure 7 (b), the second angle adjustment frame 170 is in the position of (5) close to the upper direction of the vertical frame 140, the back cushion is the second horizontal frame 150 and the second angle adjustment When coupled between the frames 170, the slope of the backrest cushion is smoothed to ⓙ.

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

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

The shelf 810 of the prefabricated sofa frame 800 may be coupled to the vertical frame 140 or the second horizontal frame 150 and extend in the rear direction of the prefabricated sofa frame 800. 8 and 9 illustrate a case in which the shelf 810 is coupled to the second horizontal frame 150 of the assembled 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 bottom surface of the shelf 810. One end of the support frame 820 is coupled to a direction opposite to the direction in which the second lower support frame 130 is coupled to the first horizontal frame 120, and the other end may support the shelf 810. FIGS. 8 and FIG. It may have a columnar shape as shown in 9. However, the support frame 820 does not necessarily have a columnar shape, and may have a different shape if it is coupled to the second lower support frame 130 to support the bottom surface of the shelf 810.

10 is a perspective view of a prefabricated sofa frame 1000 according to another exemplary embodiment of the inventive concept.

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. The plurality of vertical frames 140, the first angle adjusting frame 160, and the second angle adjusting 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 adjusting frame 170 is not only an original function but also a function of the second horizontal frame 150 in the embodiments of FIGS. 3 to 5. It is about the case when done 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 the descriptions related to FIGS. 8 and 9, the shelf 810 may be coupled to 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 the specification. Although specific terms have been used herein, they are used only for the purpose of describing the present invention and are not intended to limit the scope of the invention as defined in the claims or the claims. Therefore, 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 will be defined by the technical spirit of the appended claims.

Claims (11)

In the prefab sofa frame,
A plurality of first lower support frames including a first frame having a lower portion supporting a bottom and a second frame connected to the first frame and formed in a rearward direction from a front surface of the prefabricated sofa frame;
At least one first horizontal frame coupled in a horizontal direction between second frames of the first lower support frame;
At least one second lower support frame having one end coupled to the first horizontal frame and the other end supporting the floor in a rear direction of the prefabricated sofa frame;
A plurality of vertical frames coupled to each of the second frames of the first lower support frame in a rear direction of the assembled sofa frame and formed in a vertical direction;
At least one second horizontal frame coupled in a horizontal direction between the vertical frames; And
And a first angle adjusting frame coupled horizontally between the second frames of the first lower support frame and positioned above the second lower support frame. According to claim 1, The prefabricated sofa frame,
Prefabricated sofa frame, characterized in that the 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. The method of claim 1,
A plurality of holes are formed on the second frame of the first lower support frame,
The first horizontal frame or the first angle adjustment frame is a prefabricated sofa frame, characterized in that coupled to one of the holes formed on the second frame of the first lower support frame is fixed. According to claim 1, The prefabricated sofa frame,
Prefabricated sofa frame further comprises a second angle adjustment frame coupled in a horizontal direction between the vertical frame in the front direction of the vertical frame. According to claim 4, The prefabricated sofa frame,
Prefabricated sofa frame, characterized in that coupled to the position where the second angle adjustment frame is coupled on the vertical frame is changeable. The method of claim 4, wherein
A plurality of holes are formed on the vertical frame,
The second angle adjusting frame is a prefabricated sofa frame, characterized in that coupled to one of the holes formed on the vertical frame is fixed. 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 prefab sofa frame; And
Prefabricated sofa frame further comprises at least one support frame coupled to the second lower support frame for supporting the lower surface of the shelf. In the prefab sofa frame,
A plurality of first lower support frames including a first frame having a lower portion supporting a bottom and a second frame connected to the first frame and formed in a rearward direction from a front surface of the prefabricated sofa frame;
At least one first horizontal frame coupled in a horizontal direction between second frames of the first lower support frame;
At least one second lower support frame having one end coupled to the first horizontal frame and the other end supporting the floor in a rear direction of the prefab sofa frame;
A plurality of vertical frames coupled to each of the second frames of the first lower support frame in a rear direction of the assembled sofa frame and formed in a vertical direction;
A first angle adjusting frame coupled horizontally between the second frame of the first lower support frame and positioned above the second lower support frame; And
Prefabricated sofa frame characterized in that it comprises a second angle adjustment frame coupled in a horizontal direction between the vertical frame in the front direction of the vertical frame. According to claim 8, The prefabricated sofa frame,
Prefabricated sofa frame, characterized in that the 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. According to claim 8, The prefabricated sofa frame,
Prefabricated sofa frame, characterized in that coupled to the position where the second angle adjustment frame is coupled on the vertical frame is changeable. According to claim 8, The prefabricated sofa frame,
A shelf coupled to the vertical frame and extending in a rear direction of the prefab sofa frame; And
Prefabricated sofa frame further comprises at least one support frame coupled to the second lower support frame for supporting the lower surface of the shelf.

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