JPH11151133A - Knockdown sofa - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a knockdown sofa which can be easily assembled/ disassembled. SOLUTION: This knockdown sofa has at least a seat part 20 and a backrest part 40, which are freely assembled/disassembled using linking clamps 70 attached to their connecting parts. Each linking clamp 70 is detachable by sliding it. The backrest part 40 has protrusions 46 at the bottom protruding toward the seat part, and the seat part 20 has a mounting part 30 on the backrest side to be mounted on the protrusions 46.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a prefabricated sofa.

[0002]

2. Description of the Related Art Normally, a sofa is constituted by a seat portion and a backrest portion or an armrest portion added thereto, and these portions are integrally fixed at a factory by screws, nails, bolts and nuts, etc. It cannot be easily disassembled.

[0003] However, since the integrally fixed sofa is bulky, there is a problem that not only the inconvenience but also the transportation cost increase when transporting from the factory to the store or from the store to the consumer. Furthermore, in ordinary households, when changing the room, etc., even if you want to move the sofa to another room,
There is a problem that it is not easy to carry out because it is heavy and bulky, and a large space is required even if it is temporarily stored in another place.

Some sofas that can be disassembled and assembled have been proposed. However, since these are performed by using threaded parts such as bolts and nuts for connecting means of each part, a screwdriver with a screwdriver is used. Have to do the work,
The work is complicated and disassembly and assembly cannot be performed easily. Further, at the time of assembling, it may be necessary to perform the screwing operation while holding the other side to be connected by hand so as not to fall down. In such a case, the operation is extremely troublesome, and even the assembling may not be performed by one person.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide an assembling sofa which can be easily assembled and disassembled and requires a small storage space.

[0006]

That is, the present invention provides:
According to the present invention, there is provided an assembling sofa having at least a seat portion and a backrest portion, wherein each of the portions can be assembled and disassembled by an engagement fitting provided at a connection portion thereof. It is preferable that the joining fitting has a structure that can be detached by sliding. Further, it is preferable that the backrest portion has a projection protruding toward the seat portion at a lower portion, while the seat portion has a mounting portion mounted on the projection portion on the backrest side.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a perspective view showing an embodiment of the assembling sofa according to the present invention, FIG. 2 is an exploded perspective view showing the sofa of FIG. 1, and FIG. 3 is a view showing a frame of a backrest and a pedestal of a seat in FIG. FIG. 4 is a perspective view showing an embodiment of the engagement fitting of the present invention, and FIG. 5 is a perspective view showing another embodiment of the engagement fitting of the present invention.

The sofa 10 shown in FIG. 1 comprises a seat portion 20, a backrest portion 40, and an armrest portion 60, and these portions can be connected and separated by an engagement metal fitting 70 provided at a connection portion thereof. In addition, the armrest 60
Depending on the type of sofa, it may be provided on only one side of the seat portion 20, or both sides may be omitted.

The seat 20 comprises a pedestal 21 and a seat mat 34 disposed thereon. The pedestal 21 is formed of a wooden frame having a required height, and a front plate 22 and a rear plate 23 and a pair of side plates 24 on both sides are connected to each other with a nail or the like to form a quadrangular frame shape in plan view. Reinforcing member 3 between plates 24, 24
Two have been bridged. Further, the backrest side of the pedestal 21 is cut off by a required amount at the backrest side lower portion 26 of both side plates 24, 24, and the height of the rear plate 23 is made lower than that of the front plate 22, thereby lowering the backrest portion. A mounting portion 30 at 26 is formed. In this example, the placing section 3 described above is used.
0 of the side plate 24, the lower surface 31 thereof has a tip 2 on the backrest side.
It is inclined upward from the base 7 toward the base 28, thereby engaging with the lower portion of the backrest 40.
The outer surface 23a of the rear plate 23 is connected to the backrest 40, and the outer surfaces 24a of the side plates 24, 24 are connected to the armrest 40.

The seat mat 34 provides cushioning to the seating surface of the seat 20, and has a structure in which an elastic foam such as urethane foam having a predetermined shape is covered with a skin such as leather or fabric. The pedestal 21 of the seat 20
Placed on top.

The backrest 40 comprises a frame 41 and a backrest mat 51 combined therewith. The frame body 41 is made of wood, and includes a back plate 42 and the back plate 42.
A pair of side plates 45, 45 fixed to both sides, a top plate 43 fixed to the upper end thereof, and a transfer plate 44 bridged between the front ends of the side plates 45. Further, the side plate 45 has a substantially L-shaped side shape having a projection 46 protruding forward (toward the seat) below the transfer plate 44. The protrusion 46 of this example is sized and shaped to fit under the mounting portion 30 of the pedestal 21, and the upper surface 47 of the protrusion 46 engages with the lower surface 31 of the mounting portion 30. So that it is inclined upward from the base 48 of the projection 46 toward the front end (front end on the seat side) 49. The outer surface 45a of the side plate 45 is connected to the armrest 60,
4a is a connection portion with the seat portion 21.

The backrest mat 51 is formed by covering the surface of an elastic foam such as polyurethane foam with a skin such as fabric or leather, and covers the top plate 43 from the front surface of the frame 21 above the projection 46. Placed in

The armrest 60 is formed by covering the surface of an elastic foam such as polyurethane foam in which a wooden frame (not shown) of a required shape is embedded with a skin such as leather or fabric. The lower part 62 is a connection part with the seat part 20, and the rear part 63 is a connection part with the backrest part 40. Note that constituent members of the frame are arranged in portions that become connection portions, so that engagement fittings described later can be fixed.

A detachable engaging metal fitting 70 is fixed to a connecting portion between the respective portions 20, 40, 60 such as the seat portion 20 and the like.
That is, between the seat portion 20 and the backrest portion 40, the rear plate 23 of the pedestal 20 and the transfer plate 44 of the backrest portion 40 are provided.
In addition, the pedestal 2 is provided between the seat 20 and the armrest 60.
A pair of engaging metal fittings 70 is provided on the side plate 24 of the backrest 40 and the lower portion 62 of the armrest 60, and between the backrest 40 and the armrest 60, on the side plate 45 of the backrest 40 and the rear 63 of the armrest 60. Are provided as appropriate.

The engaging fitting 70 is detachable by sliding in the vertical direction. In this example, two types of engaging fittings 71 and 81 are used according to the mounting position of the fitting. First, an engagement metal fitting 71 composed of a male metal fitting 72 and a female metal fitting 75 shown in FIG. 4 is attached between the seat portion 20 and the backrest portion 40 and between the backrest portion 40 and the armrest portion 60. The male side metal fitting 72 includes a flat plate 73
A cut-and-raised piece 74 having a C-shape in a front view is formed outward on the front surface of. On the other hand, the female side metal fitting 75 has a substantially L shape in a side view formed by a standing piece 76 and a horizontal piece 77, and extends from a boundary between the standing piece 76 and the horizontal piece 77 to a position above the standing piece 76. A letter-shaped opening 78 is formed, and a cut-and-raised piece 74 of the male metal fitting 72 is formed from below the opening 78.
Are inserted and engaged. Reference numeral 79 denotes a fixing screw hole. In this example, the male metal fitting 7
Numeral 2 is fixed to the transfer plate 44 and the side plate 45 of the backrest portion 40 with screws, and the female metal fitting 75 is fixed to the rear plate 23 of the pedestal 21 and the frame of the armrest portion 60 with screws. In particular, the female metal fitting 75 of the armrest 60 is fixed to the frame with the horizontal piece 77 embedded in the armrest 60.

Further, between the seat portion and the armrest portion, an engagement fitting 81 comprising an insertion hole fitting 82 and a support side fitting 85 shown in FIG. 5 is attached. The insertion hole fitting 82
Is provided with a locking hole 84 on the surface of the plate 83. On the other hand, the support-side fitting 85 has a locking piece 88 at the end of a projection 87 that protrudes forward on the surface of the plate 86. The locking piece 88 is inserted into and engaged with the locking hole 84 of the insertion hole fitting 82. Reference numeral 89 denotes a fixing screw hole. In this embodiment, the insertion hole fitting 82 is fixed to the armrest portion 60 with a screw, and the support fitting 83 is provided.
Are fixed to the seat 20 with screws.

The engagement fitting 70 is not limited to the above two types, but may be any as long as it can be detached from the slide.

Next, the assembling of the sofa 10 composed of the members 20, 40 and 60 will be described. First, the mounting portion 30 of the pedestal 21 of the seat portion 20 is mounted on the protrusion 46 below the frame 41 of the backrest portion 40, and at this time, the engagement fitting 70 between the pedestal 21 and the frame 41 is engaged. Combine. At this time, in this example, the mounting portion 30 and the protrusion 46 engage with each other due to the inclination of the lower surface 31 of the mounting portion 30 and the upper surface 47 of the protrusion 46, and the frame body 41 of the pedestal 21 and the backrest portion 40 is more firmly attached. Be linked. Further, since the projection 46 at the lower part of the frame 41 is arranged below the pedestal 21 and is pressed from above when the sofa 10 is used, when the occupant leans against the backrest 40, There is no risk of forming a gap between the seat and the seat portion 20 or separating the two.

Next, the armrest 60 is slid downwardly from above the pedestal 21 along the side plate 24 of the pedestal 21 and the side plate 45 of the frame 41 of the backrest 20, so as to engage the armrest 60 with the pedestal 21. The alloy tool 70 is engaged.
The armrest 60 is thereby connected to the frame 21 of the pedestal 21 and the backrest 40, and thereby the pedestal 2
1 and the frame 41 of the backrest 40 are also more firmly connected.

Then, the seat mat 3 is placed on the pedestal 21.
4 and the backrest mat 34 is arranged on the frame 41 of the backrest 40, and the assembly of the sofa 10 is completed. When the sofa 10 is disassembled, the engagement fitting 70 may be separated by a reverse operation.

Each of the parts 20, 40 and 60 can be replaced with another having a common connection part structure. In this case, the atmosphere of the sofa can be changed according to the change of the room pattern. Can be.

[0022]

As shown and described above, according to the prefabricated sofa of the present invention, the connecting and detaching of the seat and the backrest can be easily performed by using the engaging metal fittings. It can be made compact for storage and storage, and can not only be easily handled, but also can reduce sales and distribution costs, and can be easily assembled and disassembled by a user. Further, since the seat portion, the backrest portion, and the like can be exchanged for one having a different color, pattern, shape, or the like, it can be changed to a sofa according to preference.

Further, the engagement fitting of the connecting portion is configured to be detachable by sliding, so that the assembling and disassembling operation of the sofa can be smoothly performed without performing a complicated operation such as a screwdriver.

Further, in the case where the backrest side of the seat portion is placed on the lower portion of the backrest portion, the seat portion and the backrest portion are more firmly fixed by the load of the seated person. Even when the user leans on the backrest portion, it is possible to reliably prevent a gap from being formed or separating between the backrest portion and the seat portion, so that the user can use the device more safely.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a knockdown sofa according to the present invention.

FIG. 2 is an exploded perspective view showing the sofa of FIG. 1;

3 is a side view showing engagement between a frame of a backrest and a pedestal of a seat in the sofa of FIG. 1;

FIG. 4 is a perspective view showing an embodiment of an engagement fitting according to the present invention.

FIG. 5 is a perspective view showing another embodiment of the engagement fitting according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Assembled sofa 20 Seat 21 Pedestal 30 Placement part 34 Seat mat 40 Backrest part 41 Frame 46 Projection 51 Backrest mat part 60 Armrest part 70 Engagement metal fitting

Claims (3)

[Claims] 1. An assembling sofa having at least a seat portion and a backrest portion, wherein each of the portions can be assembled and disassembled by an engagement fitting provided at a connection portion thereof. 2. An assembling sofa according to claim 1, wherein said metal fitting has a structure detachable by sliding. 3. The backrest according to claim 1, further comprising: a projection protruding toward the seat at a lower portion of the backrest, and a mounting portion mounted on the projection at the backrest of the seat. A knockdown sofa characterized by having.