CN211299164U

CN211299164U - Foldable sofa bed

Info

Publication number: CN211299164U
Application number: CN201922193195.7U
Authority: CN
Inventors: 衡传荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-08-21
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a foldable sofa bed, which has a sofa state and a bed body state, and comprises a back plate, a handrail, a first cushion body, a second cushion body, a back cushion, a first frame body for supporting the first cushion body, a second frame body for supporting the second cushion body, a third frame body for supporting the back cushion and a transmission part which drives the second frame body and the third frame body to move at the same height when the first frame body is pulled by external force, wherein when the sofa bed is in the sofa state, the second frame body and the second cushion body are both positioned below the first frame body, and the third frame body is arranged in an inclined manner; when the sofa bed is in the bed body state, the first cushion body, the second cushion body and the back cushion are positioned at the same height. The utility model can be changed into a sofa state by pulling the first frame body outwards, thereby having the advantages of labor-saving effect and convenient operation; and the process of pulling can not press any article, and the security is high.

Description

Foldable sofa bed

Technical Field

The utility model belongs to the technical field of furniture, especially, relate to a folded cascade sofa bed.

Background

Due to changes in living conditions, household comfort and the demand for multifunctional articles increase. In order to meet the demands of consumers, various sofa bed products are put into the market. Chinese patent CN10617889A discloses an integral folding and turning sofa bed, which realizes the conversion between sofa and bed by turning the sofa cushion. However, the mattress needs to be turned over in this way, which requires a large force to turn over the sofa, and the operation difficulty is high, and the user is easy to press the sofa carelessly during turning over.

SUMMERY OF THE UTILITY MODEL

The utility model provides an easy-to-operate foldable sofa bed, which overcomes the defects of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a foldable sofa bed has a sofa state and a bed body state, and comprises a back plate, armrests, a first cushion body, a second cushion body, a back cushion, a first frame body for supporting the first cushion body, a second frame body for supporting the second cushion body, a third frame body for supporting the back cushion and a transmission part for driving the second frame body and the third frame body to move at the same height when the first frame body is pulled by external force, wherein when the sofa bed is in the sofa state, the second frame body and the second cushion body are both positioned below the first frame body, and the third frame body is obliquely arranged; when the sofa bed is in the bed body state, the first cushion body, the second cushion body and the back cushion are positioned at the same height.

The utility model realizes the outward movement of the first frame body by the transmission part, and can realize the leveling of the first, the second and the third frame bodies, so as to be in a bed body state, correspondingly and reversely push the first frame body to move, and can be converted into a sofa state, which is convenient for folding and unfolding, has labor-saving effect and convenient operation; and the first frame body is pulled to realize, so that children or any article can not be pressed, and the safety in use is high.

Preferably, the transmission part comprises a side plate part which can move back and forth along the length direction of the handrail under the action of external force and a connecting rod part which can drive the first frame body to move to the same height with the second frame body from the position above the second cushion body, and the connecting rod part can swing left and right relative to the side plate part; through setting up curb plate part and connecting rod part, its drive disk assembly's simple structure, consequently whole sofa bed's is with low costs, and is not fragile.

Preferably, the side plate component comprises a side plate capable of moving left and right and a guide plate connected with the side plate or capable of moving left and right along the side plate, the guide plate is provided with a rotating track matched with the third frame body, and the rotating track is of a bent structure; through setting up crooked rotation track, it realizes that the automatic third support body that drives becomes the slope, therefore its convenient operation, and rotation track can also support the third support body moreover, consequently when leaning on the cushion, and stability when the third support body slopes is high.

Preferably, the handrail is provided with a moving track with an arc structure and a positioning track with a strip structure, the side plate is provided with a rotating part which can rotate along the moving track, and the guide plate is provided with a pulley which can move along the positioning track; by arranging the positioning track and the rotating piece, the moving path of the side plate is ensured not to change, so that the side plate does not shake; the same sets up pulley and positioning rail, and it can also keep realizing comparatively little dislocation between curb plate and the deflector in the later stage, consequently can ensure that first, second support body are in the horizontality.

Preferably, the connecting rod part comprises a first rod body and a second rod body, the lower parts of the first rod body and the second rod body are movably connected with the side plate, and the upper parts of the first rod body and the second rod body are rotatably matched with the first frame body; can keep driving the activity of first support body through setting up the first, the second body of rod, the stability of first support body to first, the second body of rod can support the second support body simultaneously, and it has the advantage that the supporting effect is good, and the stability of support is high.

Preferably, the first rod body and/or the second rod body are movably connected with the second frame body; through second support body and first, second body of rod swing joint, it has simplified the structure to when realizing driving first support body, the second support body can be along with a bit distance of action forward, and it ensures that first, second support body keeps leveling.

Preferably, the side plate is movably connected with a third rod body, and the upper part of the third rod body is movably connected with the second frame body; through setting up the third body of rod, the second body of rod can be put up on the third body of rod, and it supports the second body of rod, and it makes the cushion more steady.

Preferably, a first connecting rod is arranged on the first frame body, and the first rod body and the second rod body are movably connected with the first connecting rod; can be convenient for fix a position first, second body of rod upper portion through first connecting rod, ensure the stability of first support body when by the pulling, consequently first support body only can the fore-and-aft movement, can not control and rock, its operation of being convenient for to can also ensure first, the convenient connection of second body of rod upper portion.

Preferably, the armrest is provided with a limiting concave part communicated with the moving track, and when the sofa bed is in the bed body state, the rotating part is positioned in the limiting concave part; the limiting concave part is arranged, so that the rotating part can be limited by the inner wall of the limiting concave part when the sofa bed is opened to the bed body state, the sofa bed cannot shrink left and right at will, and the stability of the sofa bed in the bed body state is improved.

Preferably, the guide plate is provided with a connecting through hole with a strip structure, and the side plate is provided with a connecting shaft capable of penetrating into the connecting through hole; by providing the connecting through-hole and the connecting shaft, it is possible to adjust the total length of the guide plate and the side plate, and thus it is applicable to a sofa having a larger size.

In conclusion, the sofa can be changed into the sofa state by pulling the first frame body to move outwards, so that the sofa has the effect of saving labor and is convenient to operate; and the process of pulling can not press any article, and the security is high.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is an exploded view of the present invention.

Detailed Description

In order to make the technical field personnel understand the utility model discloses the scheme, will combine the drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model carries out clear, complete description.

As shown in fig. 1-3, a foldable sofa bed, which has a sofa state and a bed state, and when the sofa state is the sofa state, the bed state is a bed for lying a human body, the foldable sofa bed comprises a back frame 1, two armrests 2, a first cushion body 31, a second cushion body 32, a back cushion 33, a first frame body 41, a second frame body 42, a third frame body 43 and a transmission component, wherein the back frame 1 is a metal, wood or high strength plastic frame, the back frame 1 is placed obliquely, the two armrests 2 are fixed on the left and right sides of the back frame 1 by bolts, the armrests 2 are sofa armrests with a metal frame inside and a sponge and leather wrapping outside, the armrests 2 are provided with a moving rail 21 and a positioning rail 22, the moving rail 21 is a curved concave rail, the armrests 2 are further provided with a limiting concave portion 211 communicated with the moving rail 22, the limiting concave part 211 is an approximately circular track, and the positioning track 22 is a strip-shaped concave track formed on the handrail 2.

Further, the first pad body 31, the second pad body 32 and the back cushion 33 are all pads formed by wrapping sea surface and leather outside a wooden frame or a metal frame, a pull ring 311 is arranged on the first pad body 31, and the pull ring 311 is made of cloth material; the first frame body 41 is a metal frame, and the first frame body 41 is provided with two supporting feet 410, so that the side view of the first frame body 41 is an inverted L-shape, the first cushion body 31 is placed on the first frame body 41, the second frame body 42 is a flat-plate-shaped metal frame, the second cushion body 32 is placed on the second frame body 42, the third frame body 43 is a metal frame identical to the second frame body 42, and the third frame body 43 is different from the second frame body 42 in size; the transmission component is used for enabling the first frame body 41 to move downwards along the arc-shaped track to be located on the same plane as the second frame body 42 when the first frame body 41 is pulled by external force, and the third frame body 43 is changed from an inclined state to a state of being flush with the first frame body and the second frame body; when the first frame body 41 is not pulled, the sofa bed is in a sofa state, in which the first frame body 41 is positioned above the second cushion body 32, the third frame body 43 and the back cushion 33 are both in an inclined state, and at this time, the third frame body 43 leans against the back plate 1; when the sofa bed is in the bed body state, the first frame body, the second frame body and the third frame body are positioned at the same height, and the first cushion body, the second cushion body and the back cushion are positioned at the same height.

Specifically, the transmission member includes a side plate member and a link member, the side plate member can move back and forth along the length direction of the handrail, the side plate member includes a side plate 51 and a guide plate 52, the side plate 51 and the guide plate 52 are both metal plates, a rotating member 511 is provided on the side wall of the side plate 51, the rotating member 511 is a rotating wheel, and the rotating member 511 is located in the moving track 21 and rotates along the moving track 21; the guide plate 52 is a metal plate, the guide plate 52 is provided with a rotating track 520 with a curved structure, the third frame body 43 is provided with a rolling member 431, the rolling member 431 is a roller, and the rolling member 431 can move along the rotating track 520.

Further, two connecting through holes 522 with a strip structure are arranged on the guide plate 52, a connecting shaft capable of penetrating into the connecting through holes 522 is arranged on the side plate 51, the connecting shaft penetrates through the connecting through holes, and the total length of the guide plate 52 and the side plate 51 is locked; in other embodiments, the guide plate 52 may also be movably connected to the side plate 51; a pulley 521 is disposed on the guide plate 52, and the pulley 521 is a metal wheel, and is located in the positioning rail 22 and can rotate along the positioning rail 22.

Specifically, the transmission part comprises a first rod body 61 and a second rod body 62, the first rod body and the second rod body are metal rods and are parallel to each other, the lower parts of the first rod body 61 and the second rod body 62 are movably connected with the side plates, the upper parts of the first rod body 61 and the second rod body 62 are movably connected with a first connecting rod 411, and the first connecting rod 411 is connected with the side wall of the first frame body 41; meanwhile, the second frame body 42 is movably connected with the middle lower parts of the first rod body 61 and the second rod body 62; the lower portion of the first rod 61 is bent, the lower portion of the second rod 62 is also bent, and the second frame 42 is movably connected to the bent portions of the first frame and the second frame.

Further, a third rod 63 is movably connected to the side plate 51, and the upper portion of the third rod 63 is movably connected to the second frame 42; the second frame body 42 is movably connected with the lower parts of the first rod body 61 and the second rod body 62.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Claims

1. The utility model provides a folded cascade sofa bed, has sofa state and bed body state, its characterized in that: the sofa bed comprises a back plate (1), armrests (2), a first cushion body (31), a second cushion body (32), a back cushion (33), a first frame body (41) for supporting the first cushion body (31), a second frame body (42) for supporting the second cushion body (32), a third frame body (43) for supporting the back cushion (33) and a transmission component for driving the second frame body and the third frame body to move to the same height when the first frame body (41) is pulled by external force, wherein when the sofa bed is in a sofa state, the second frame body (42) and the second cushion body (32) are both positioned below the first frame body (41), and the third frame body (43) is obliquely arranged; when the sofa bed is in the bed body state, the first cushion body, the second cushion body and the back cushion are positioned at the same height.

2. Foldable divan according to claim 1, characterized in that: the transmission part comprises a side plate part and a connecting rod part, the side plate part can move back and forth along the length direction of the handrail (2) under external force, the connecting rod part can drive the first frame body (41) to move to the height same as that of the second frame body (42) from the position above the second cushion body (32), and the connecting rod part can swing left and right relative to the side plate part.

3. Foldable divan according to claim 2, characterized in that: the side plate component comprises a side plate (51) capable of moving left and right and a guide plate (52) which is connected with the side plate (51) or can move left and right along the side plate (51), a rotating track (520) matched with the third frame body (43) is arranged on the guide plate (52), and the rotating track (520) is of a bent structure.

4. Foldable divan according to claim 3, characterized in that: the handrail (2) is provided with a moving track (21) with an arc structure and a positioning track (22) with a strip structure, the side plate (51) is provided with a rotating piece (511) which can rotate along the moving track (21), and the guide plate (52) is provided with a pulley (521) which can move along the positioning track (22).

5. Foldable divan according to claim 3, characterized in that: the connecting rod part comprises a first rod body (61) and a second rod body (62), the lower parts of the first rod body and the second rod body are movably connected with the side plate (51), and the upper parts of the first rod body and the second rod body are movably connected with the first frame body (41).

6. Foldable divans according to claim 5, wherein: the first rod body (61) and/or the second rod body (62) are movably connected with the second frame body (42).

7. Foldable divans according to claim 5, wherein: the side plate (51) is movably connected with a third rod body (63), and the upper part of the third rod body (63) is movably connected with the second frame body (42).

8. Foldable divans according to claim 5, wherein: be equipped with first connecting rod (411) on first support body (41), first, the second body of rod all with first connecting rod (411) swing joint.

9. Foldable divans according to claim 4, wherein: the armrest (2) is provided with a limiting concave part (211) communicated with the moving track (21), and when the sofa bed is in a bed body state, the rotating part (511) is positioned in the limiting concave part (211).

10. Foldable divan according to claim 3, characterized in that: the guide plate (52) is provided with a connecting through hole (522) with a strip-shaped structure, and the side plate (51) is provided with a connecting shaft (512) capable of penetrating into the connecting through hole (522).