KR101931677B1 - a sofa bed - Google Patents

Abstract

The present invention relates to a sofa bed. More specifically, the present invention relates to an invention, which becomes a bed when spreading a back and making legs stand, and becomes a sofa when making the back stand vertically to be fixed, and thus the invention is used as both the bed and the sofa. Meanwhile, the invention is configured to simply move when the back is folded and wheels are made stand, thereby improving the convenience of use. The above-described feature of the present invention can be accomplished by the configuration in which legs (12) are formed at four sides of a rectangular frame (10), a cushion member (c) is placed on the rectangular frame (10), and a back (20) is coupled to a rear portion of the rectangular frame (10) by a hinge (h) to be spread or folded. The cushion member (c) is inserted into a guiding groove (20a) formed in the front surface of the back (20), and auxiliary legs (22) are coupled to a rectangular guide frame (21) formed on a rear surface of the back (20) by a spindle (p). When the back (20) is spread and the auxiliary legs (22) are made stand, the bed is formed. When the back (20) is made vertically stand, and the auxiliary legs (22) support a lower portion of the back (20), the invention is configured to be used as a sofa.

Description

Sofa bed {a sofa bed}

More particularly, the present invention relates to a sofa-combined bed, more particularly, a sofa which can be used as a sofa by folding a backrest and standing upright, The present invention relates to an image forming apparatus,

Generally, beds and sofas are manufactured according to the purpose of use, and since they can not be used for both, it has been urgently required to provide a sofa bed which can be used both as a sofa and a sofa.

Conventionally, a utility model registration No. 20-0305477 "sofa bed" and a utility model registration No. 20-0395547 "sofa with a bed" (prior art 2) have been proposed.

The prior art 1 is a sofa composed of a seat plate frame portion, a backrest portion and an armrest portion, which is composed of a pair of rail members provided parallel to the seat frame portion, a slide member which is slid on the rail member, A leg cushion member having a support bracket to be installed at the front of the seat frame portion, a seat cushion member having a seat cushion member having a seat cushion, A drive link connected to the rotary shaft member, a drive link connected to the drive link, and a drive link connected to the drive link, the drive link being hinged to one side of the drive link, A main section link hinged to the bracket of the supporting cushion member, and a connecting ring hinged to the hinge bracket provided on the bottom surface of the seat panel, And, a sofa bed ", characterized in that consisting of a kind of hinged end and a support bracket of the connecting link follower link.

In the prior art 2 , a pair of connecting members provided on opposite sides of a leg fixed on four sides of the bottom of the bridge, a pair of connecting members provided on both sides of the bottom of the bridge, and a pair of fastening bolts A pair of armrest frames provided with a ratchet wheel which is pivotably mounted on both side surfaces of the frame and which is pivotally connected by a reverse rotation preventing ring, A seat member which is disposed on the surface of the frame body and has at least one folded portion so that both side portions can be folded in multiple stages; Quot; sofa " comprising a backrest member for carrying out a sleeping operation.

The prior art 1 is a technique in which a part of a sofa is spread and used in the form of an armchair or a bed by using various link devices. The prior art 2 is a structure in which a ratchet wheel is mounted on an armrest frame, Since the operation process is a complicated mechanical structure, there has been no technology that allows a sofa to be used as a sofa when the backrest is extended to form a bed when the backrest is extended and the backrest is fixed upright as in the present invention .

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide a sofa which can be used as a sofa when a backrest is extended to stand a bed, The present invention provides a sofa combined bed which can be easily moved.

According to an aspect of the present invention to achieve the above object, the present invention is characterized in that legs (12) are formed on four sides of a square frame (10) having a rectangular shape and a cushion member (c) The cushion member c is inserted into the guide groove 20a formed on the front surface of the back 20 and the guide groove 20a formed on the back surface of the back 20 is coupled with a square guide The auxiliary leg 22 is folded and unfolded by the shaft pin so that the backrest 20 is extended and the auxiliary leg 22 is raised to form a bed and the auxiliary leg 22 Wherein four auxiliary legs 22 are provided on four sides of the rear guide frame 21 of the backrest 20 so as to be able to be used as a sofa when the backrest 20 supports the lower portion of the backrest 20. [ Folded and unfolded, and the upper auxiliary legs 22 One end of the link 24 is connected to the joint pin 25 and the shaft pin p on both sides of the handle 23 connected to the lower auxiliary legs 22 and the other end of the both side links 24 is connected to the lower auxiliary legs 22, The upper auxiliary legs 22 are folded so that the lower auxiliary legs 12 can be folded when the handle 23 is lifted up by connecting the upper and lower auxiliary legs 25 and pivot pins p, A cover plate 30 is attached between the legs 12 so that a space 30a is formed therein and the operation table 31 is hinged to the inside of the space 30a, And the wheel 34 is mounted on the operation pedestal 31 so that the stopper 32a formed on the pedal 32 is engaged with the stopper 32 of the foot 12, The wheels 34 are protruded to the lower portions of the legs 12 and the wheels 34 are mounted on the support plate 33 hinged to the lower portion of the legs 12, Operation stand ( 31 are lowered, the wheels 34 are protruded when the supporting plate 33 is pushed, so that the sofa combined bed can be easily lifted and moved.

As described above, according to the present invention as described above, when the upper auxiliary leg 22 is set up by unfolding the back 20 to which the square frame 10 is hinged, the cushion members c and The cushion member c of the backrest 20 is widely spread so that the cushion member c can be used as the bed 1 as well as the backrest 20 can be lifted upright by holding the knob 23, The upper auxiliary legs 22 are folded and the lower auxiliary legs 22 are folded up to support the lower portion of the backrest 20 so as to be used as the sofa 2. The lower auxiliary legs 22 can be used as the sofa 2, The backrest 20 can be folded completely and placed on the rectangular frame 10, and the backrest 20 can be easily folded and folded. When the pedal 32 is depressed to engage the stopper 32a of the leg 12, The wheels 34 fixed to the operation pedestal 31 and the support plate 33 are protruded to the lower portion of the both legs 12 so that the combined bed can be easily lifted so that it can be easily moved. It is possible to provide a simple and high-functional sofa combination bed.

1A and 1B are perspective views illustrating a state in which the present invention is used as a bed,
2A to 2C are a perspective view and an exploded perspective view illustrating a state in which the present invention is used as a sofa,
3 is a perspective view illustrating a folded state of the present invention,
Figs. 4A and 4B are sectional views of the operating state in which the wheels are pulled out in the state shown in Fig. 3,
FIG. 5 is a perspective view illustrating a state where a link mounted on a back surface of a backrest according to the present invention and a joint piece are connected with an axial pin.

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

As shown in Figs. 1A and 3, legs 12 are formed on four sides of a square frame 10 having a rectangular shape. An upper portion of the frame 11, which crosses the inside of the rectangular frame 10, The member (c) is placed.

A backrest 20 is hinged to the rear of the square frame 10 to be folded and unfolded. A cushion member c is inserted into a guide groove 20a formed in the front of the backrest 20, And is fixed.

In the rear surface of the backrest (20) and a rectangular guide frame 21 of the type "┌┐" is formed in a rectangular guide frame 21, four-way, the four auxiliary legs 22 are folded in combination with chukpin (p) So that it can be unfolded.

The cushion member c of the rectangular frame 10 and the cushion member c of the backrest 20 are widely spread when the backrest 20 is spread and the two auxiliary legs 22 are erected. .

In addition, when the backrest 20 is vertically erected and two auxiliary legs 22 are erected, the auxiliary legs 22 can be used as a sofa when the backrest 20 is fixed by supporting the lower portion thereof.

The four auxiliary legs 22 mounted on the four sides of the rear guide frame 21 of the backrest 20 are configured to be folded and unfolded by the axial pin p and the upper auxiliary legs 22 A handle 23 is connected.

One end of each of the links 24 is connected to both sides of the handle 23 by joint pins 25 and pivot pins so as to be freely bent and operated. And are connected to the legs 22 by joint pins 25 and axial pins p.

Thus, when the handle 23 is lifted, the upper auxiliary legs 22 are unfolded so that the lower auxiliary legs 12 can be pulled by the links 24 to be folded.

A cover plate 30 is attached between the legs 12 of the rectangular frame 10 and a space 30a is formed in the cover plate 30.

A pedal 32 is coupled to the front end of the operation pedestal 31 by an axial pin p so that when the pedal 32 is depressed, (31) is lowered.

A wheel 34 is mounted on the operation pedal 31. When the pedal 32 is stepped on and the pedal 32 is fastened to the pedal 32 by the pedal 32, The wheels 34 fixed to the table 31 are protruded to the lower portion of the both legs 12 so that the combined bed can be easily lifted.

A wheel 34 is also mounted on a support plate 33 hinged to the lower portion of the leg 12. When the operation plate 31 is lowered, the support plate 33 is pushed, The four wheels 34 are protruded as a whole, so that the movement of the combined bed can be more stably performed.

1A and 1B, when the back frame 20 having the hinge h coupled with the rectangular frame 10 is opened and two upper auxiliary legs 22 are erected, The cushion member c of the frame 10 and the cushion member c of the backrest 20 are widely spread and can be used as the bed 1 and at the same time holding the knob 23 as shown in Figs. When the unfolded back 20 is lifted upright, the upper auxiliary legs 22 connected by the joints 25 and the shaft pin p are folded so that the lower auxiliary legs 22 are raised and the back 20 The seat 2 can be used as the sofa 2 and can be easily used as the bed 1 and the sofa 2 by an operation of holding the knob 23 and opening or lifting the backrest 20 It is possible to increase the convenience of use.

3, the backrest 20 is completely folded and placed on the rectangular frame 10, and the pedal 32 is stepped on by the stopper 32a, as shown in Figs. 4A to 4B, The wheels 34 fixed to the operation pedestal 31 and the support plate 33 are protruded to the lower portion of the both legs 12 so that the sofa combined bed can be easily lifted As for what is available, women can also easily fold the sofa bed and install it in the place where it is needed.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but many variations and modifications may be made without departing from the scope of the invention. It will be understood by those skilled in the art that various changes may be made and equivalents may be resorted to without departing from the scope of the appended claims.

1: Bed 2: Sofa
10: Square frame 11: Support frame
12: Leg 20: Backrest
20a: guide groove 21: guide frame
22: auxiliary leg 23: handle
24: Link 25: Joint
30: cover plate 30a:
31: Operational stand 32: Pedal
32a: Retaining wall 32b: Retaining wall
33: support plate 34: wheel
c: cushion member h: hinge
p: Pivot pin

Claims (3)

The legs 12 are formed on the square frame 10 forming the rectangle and the cushion member c is placed on the upper portion of the square frame 10. The backrest 20 is hinged to the rear of the rectangular frame 10 to be unfolded A cushion member c is inserted into a guide groove 20a formed in the front of the back 20 and a auxiliary leg 22 is pivotally connected to the rectangular guide frame 21 formed on the back surface of the back 20, When the auxiliary leg 22 supports the lower portion of the backrest 20 while the backrest 20 is vertically erected while the backrest 20 is folded and unfolded, In a sofa bed configured for use,
Four auxiliary legs 22 are folded and folded on the four sides of the rear guide frame 21 of the backrest 20 by means of an axial pin p so that both sides of the handle 23 connected between the upper auxiliary legs 22 One end of the links 24 is connected to the joint piece 25 and the axis pins p and the other end of the links 24 is connected to the lower auxiliary legs 22 via the joint piece 25 and the axial pins p The lower auxiliary legs 12 are folded so that the upper auxiliary legs 22 are unfolded when the knob 23 is lifted,
A cover plate 30 is attached between the legs 12 of the rectangular frame 10 and a space 30a is formed therein. Inside the space 30a, the operation table 31 is hinged and the wheel 34 is mounted on the operation pedestal 31 to engage with the stopper 32a formed on the pedal 32. When the pedal 32 is coupled to the pedal 32, A support plate 33 which is hinged to the lower portion of the leg 12 and protrudes to the lower side of the legs 12 when the legs 12 are fastened and fixed to the engagement protrusions 32b of the legs 12, The wheels 34 are protruded by pushing the supporting plate 33 when the operating wheel 31 is mounted and the operating wheel 31 is lowered so that the combined bed can be easily lifted. .
delete delete

Images