CN207341505U - Lifting type folding sofa bed - Google Patents

Abstract

The utility model relates to the technical field of sofa, in particular to a folding sofa bed of over-and-under type. The utility model provides a sofa bed is folded to over-and-under type through sliding connection's first cushion support and second cushion support, makes second sofa cushion can accomodate in first sofa cushion below, and second sofa cushion and second cushion support pass through hoist mechanism and connect, only need pull out second cushion support during the use, upwards lift second sofa cushion and just can amalgamate the bed and use. And the sofa backrest is hinged with the cushion and can rotate to different positions, so that the back of the sofa backrest is more comfortable when the sofa backrest is laid on the inclined sofa backrest. The lifting type folding sofa bed is simple in structure and convenient to operate, the plane area of the sofa can be increased to the maximum extent by flatly placing the backrest of the sofa after the second sofa cushion is lifted to the front end of the first sofa cushion, and the sofa can be used as a bed.

Description

Lifting type folding sofa bed

technical field

The utility model relates to the technical field of sofas, in particular to a lift-type folding sofa bed.

Background technique

As the urban living space becomes smaller and smaller, the available space of the house is also smaller, and it is very crowded to place only some necessary furniture, such as sofas, beds, desks, etc. For this reason, some can provide sufficient storage Functions or household products that can improve the functionality and utilization of furniture are welcomed by people. Sofa, as an indispensable piece of furniture for people, takes up a large space. Therefore, the sliding dual-purpose sofa with dual functions of sitting and lying is welcomed by people. It is usually folded and folded up as a sofa. It can be used as a bed, and the sliding sofa can be used as a spare bed, which does not take up space and is practical. However, the existing sliding sofas generally have a relatively complicated structure, which is relatively cumbersome to open or fold, and is very inconvenient to use.

Contents of the invention

The purpose of the utility model is to avoid the disadvantages of the above-mentioned prior art and provide a lifting type folding sofa bed.

The purpose of this utility model is achieved through the following technical solutions:

A lifting type folding sofa bed is provided, comprising a first cushion support, a sofa back fixed at one end of the first cushion support, and a first sofa cushion fixed on the first cushion support and hinged with the sofa back, the A second cushion support and a second sofa cushion connected above the second cushion support through a lifting mechanism are slidably connected in the first cushion support, the bottom of the second cushion support is provided with a pulley, and the second sofa cushion As the second cushion bracket slides to the front end of the first cushion bracket, the second sofa cushion is lifted from the front end of the first cushion bracket to the front end of the first sofa cushion along with the lifting mechanism.

Wherein, the outer side of the second cushion bracket is provided with a sliding bar, and the inner side of the first cushion bracket is provided with a limiting plate at a position parallel to the sliding bar, and the limiting plate blocks the second cushion bracket to make it slide The distance plus the horizontal movement distance of the lifting mechanism is equal to the length of the first sofa cushion.

Wherein, the two sides of the first cushion bracket are provided with several-shaped supporting feet in parallel.

Wherein, the bottom of the several-shaped support feet is wrapped with soft glue.

Wherein, the lifting mechanism includes a cushion connecting plate fixed on the side of the second sofa cushion and a bracket connecting plate fixed on the inner side of the second cushion bracket, the front end of the cushion connecting plate and the bracket connecting plate Connected by the first connecting rod, the rear end is connected by the L-shaped second connecting rod, the L-shaped bending position of the second connecting rod is connected with one end of the third connecting rod, and the other end of the third connecting rod Connect to the middle of the bracket connection plate.

Wherein, a baffle is connected to the front end of the second cushion support, and the top of the baffle is parallel to the top of the first cushion support.

Wherein, the inside of the first sofa cushion has a cushion support, and the inside of the sofa back has a back support. The positions where the cushion support and the back support are connected to each other are respectively fixed with hinge shafts and hinge plates. The hinge shaft rotates, thereby driving the sofa back to stand up or lay down.

Wherein, the position where the seat cushion bracket is connected to the hinge shaft is connected with a limit bar, and the hinge plate rotates around the hinge shaft to the position of the limit bar, so that the sofa backrest forms an inclination angle with the horizontal plane.

Wherein, the hinged plate is connected to the limiting bar through a rotating shaft, and the hinged plate rotates following the limiting bar, so that the backrest of the sofa is laid flat.

Beneficial effects of the utility model: the lift-type folding sofa bed provided by the utility model, the first cushion bracket and the second cushion bracket connected by sliding, so that the second sofa cushion can be stored under the first sofa cushion, and the second sofa cushion can be stored under the first sofa cushion. It is connected with the second cushion support through a lifting mechanism. When in use, only the second cushion support needs to be pulled out, and the second sofa cushion can be assembled into a bed for use by lifting up the second sofa cushion. Moreover, the sofa back is hinged with the seat cushion, and can be rotated to different positions, so that the back is more comfortable when lying on the inclined sofa back. The lift-type folding sofa bed has simple structure and convenient operation. After the second sofa cushion is lifted to the front end of the first sofa cushion, the sofa backrest can be flattened, so that the plane area of the sofa can be increased to the greatest extent, and the sofa can be used as a bed.

Description of drawings

Utilize accompanying drawing to further illustrate the utility model, but the embodiment in the accompanying drawing does not constitute any restriction to the utility model, for those of ordinary skill in the art, under the premise of not paying creative work, also can obtain according to following accompanying drawing Additional drawings.

Fig. 1 is the structural representation of the lifting type folding sofa bed of the present utility model;

Fig. 2 is a schematic diagram of the two-layer sofa cushion structure of the lifting type folding sofa bed of the present invention;

Fig. 3 is a schematic diagram of the unfolded structure of the lift-type folding sofa bed of the present invention;

Fig. 4 is a structural schematic diagram of the lifting mechanism of the lift-type folding sofa bed of the present invention;

Fig. 5 is a schematic diagram of the backrest rotation structure of the lift-type folding sofa bed of the present invention;

In Fig. 1 to Fig. 5, it includes: 1—sofa backrest, 2—the first sofa cushion, 3—the first cushion support, 4—supporting feet, 5—pulley, 6—the second sofa cushion, 7——Second cushion bracket, 8—Limiting plate, 9—Baffle plate, 10—Sliding bar, 11—Elevating mechanism, 111—Bracket connecting plate, 112—Cushion connecting plate, 113— First connecting rod, 114—second connecting rod, 115—third connecting rod, 12—backrest support, 13—hinge plate, 14—hinge shaft, 15—limiting bar, 16—rotating shaft , 17——cushion support.

Detailed ways

The lift-type folding sofa bed of the present invention will be further described in conjunction with the following embodiments.

As shown in Figures 1 to 3, the lift-type folding sofa bed includes a first cushion support 3, a sofa backrest 1 fixed at one end of the first cushion support 3, and a first sofa backrest 1 fixed on the first cushion support 3 and hinged with the sofa backrest 1. The sofa cushion 2 and the two sides of the first cushion bracket 3 are provided with a few-shaped support feet 4 wrapped with soft glue at the bottom in parallel. The soft glue can reduce the damage such as indentation and scratches caused by the support feet 4 to the floor. The second cushion support 7 is slidably connected in the first cushion support 3, and the second cushion support 7 outside is provided with slide bar 10, and the position parallel to slide bar 10 inboard of first cushion support 3 is vertically provided with limiting plate 8, and the second The bottom of the four corners of the cushion support 7 is provided with a pulley 5, and the pulley 5 rolls on the ground to drive the second cushion support 7 to slide to the position of the limit plate 8 along the slide bar 10. Above the second cushion support 7, a second sofa cushion 6 is connected by a lifting mechanism 11, and the second sofa cushion 6 slides to the front end of the first cushion support 3 along with the second cushion support 7, and then the second sofa cushion located at the front end of the first cushion support 3 The sofa cushion 6 is lifted from the front end of the first cushion support 3 to the front end of the first sofa cushion 2 through the lifting mechanism 11 . Limiting plate 8 is used to block second cushion support 7, and the position of limiting plate 8 can guarantee that the distance that second cushion support 7 slides adds the distance that lifting mechanism 11 moves horizontally to be equal to the length of first sofa cushion 2. The front end of the second cushion support 7 is connected with a baffle plate 9, the upper end of the baffle plate 9 is parallel to the top of the first cushion support 3, and the second sofa cushion 6 is lifted to the front end of the first sofa cushion 2 just resting on the top of the baffle plate 9. Provide more stable supporting force for the second sofa cushion 6.

As shown in Figure 4, the lifting mechanism 11 includes a cushion connecting plate 112 fixed on the side of the second sofa cushion 6 and a bracket connecting plate 111 fixed on the inside of the second cushion bracket 7, the front ends of the cushion connecting plate 112 and the bracket connecting plate 111 part is connected by the first connecting rod 113, the rear end is connected by the L-shaped second connecting rod 114, the L-shaped bending position of the second connecting rod 114 is connected with one end of the third connecting rod 115, the third connecting rod 115 The other end is connected to the middle of the support connecting plate 111 . When the second sofa cushion 6 was placed on the second cushion support 7, the three connecting rods were in a substantially horizontal position, the second sofa cushion 6 was lifted, the second connecting rod 114 and the third connecting rod 115 were in a herringbone state, and then Supported together with the first connecting rod 113 between the bracket connecting plate 111 and the cushion connecting plate 112, the second sofa cushion 6 is lifted to the position of the front end of the first sofa cushion 2.

The hinged structure of the sofa back 1 and the first sofa cushion 2 is shown in Figure 5. The first sofa cushion 2 and the sofa back 1 have a cushion bracket 17 and a backrest bracket 12 of metal material respectively, and the cushion bracket 17 and the backrest bracket 12 are connected to each other. The positions of the hinge plates 13 and hinge shafts 14 are respectively fixed. As shown in FIG. 3 , when the hinge plate 13 does not rotate, the sofa back 1 is in the position of state A, and the hinge plate 13 rotates around the hinge shaft 14 to drive the back support 12 to rotate. The limit bar 15 is connected below the position where the seat cushion bracket 17 is connected to the hinge shaft 14, and the hinge plate 13 is blocked by the limit bar 15 when it rotates around the hinge shaft 14 to the position of the limit bar 15, and the sofa backrest 1 is in the position of state B at this time. , there is an inclination angle of 45° with the horizontal plane, and people can lie on the sofa backrest 1 . Hinged plate 13 is connected to limit bar 15 by rotating shaft 16, and when rotating limit bar 15, hinge plate 13 follows limit bar 15 and rotates, and limit bar 15 is parallel with back support bracket 12, and when limit bar 15 rotates to seat cushion support 17 In the parallel position, the sofa back 1 is in the flat state shown in state C.

The second sofa cushion 6 can be stored under the first sofa cushion 3. When in use, only the second cushion support 7 needs to be pulled out, and the second sofa cushion 6 can be assembled into a bed for use when the second sofa cushion 6 is lifted upwards, and the sofa backrest 1 is hinged with the cushion. It can be turned into different positions to make the back more comfortable when lying on the reclining sofa backrest 1 . The lifting type folding sofa bed is simple in structure and easy to operate. After the second sofa cushion 6 is lifted to the front end of the first sofa cushion 2, the plane area of the sofa can be increased to the greatest extent by laying the sofa back 1 flat.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the present utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art Personnel should understand that the technical solution of the utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solution of the utility model.

Claims (9)

1. A liftable folding sofa bed, characterized in that: comprising a first cushion support, a sofa back fixed at one end of the first cushion support, and a second seat hinged to the sofa back fixed on the first cushion support. A sofa cushion, a second cushion support and a second sofa cushion connected above the second cushion support through a lifting mechanism are slidably connected in the first cushion support, and a pulley is provided at the bottom of the second cushion support. The second sofa cushion slides to the front end of the first cushion support along with the second cushion support, and the second sofa cushion is lifted from the front end of the first cushion support to the front end of the first sofa cushion along with the lifting mechanism . 2. A lifting type folding sofa bed according to claim 1, characterized in that: a sliding bar is provided on the outside of the second cushion bracket, and a limit is set on the inside of the first cushion bracket parallel to the sliding bar. The limit plate blocks the second seat cushion support so that the sliding distance plus the horizontal movement distance of the lifting mechanism is equal to the length of the first sofa cushion. 3 . The liftable folding sofa bed according to claim 1 , characterized in that: two sides of the first seat cushion bracket are provided with several-shaped support feet parallel to each other. 4 . 4. A lift-type folding sofa bed according to claim 3, characterized in that: the bottom of the several-shaped supporting feet is wrapped with soft rubber. 5. A lift-type folding sofa bed according to claim 1, characterized in that: the lifting mechanism includes a cushion connecting plate fixed on the side of the second sofa cushion and fixed on the inner side of the second cushion support The bracket connecting plate, the front end of the cushion connecting plate and the bracket connecting plate are connected by a first connecting rod, and the rear end is connected by an L-shaped second connecting rod, and the L-shaped bending of the second connecting rod One end of the third connecting rod is connected to the position, and the other end of the third connecting rod is connected to the middle part of the bracket connecting plate. 6 . The liftable folding sofa bed according to claim 1 , wherein a baffle is connected to the front end of the second cushion support, and the top of the baffle is parallel to the top of the first cushion support. 7. A lift-type folding sofa bed according to claim 1, characterized in that: the inside of the first sofa cushion has a cushion support, the inside of the sofa back has a back support, and the cushion support and the backrest The positions where the brackets are connected to each other are respectively fixed with a hinge shaft and a hinge plate, and the hinge plate rotates around the hinge shaft, thereby driving the backrest of the sofa to be erected or laid flat. 8. A lift-type folding sofa bed according to claim 7, characterized in that: a limit strip is connected below the position where the cushion support is connected to the hinge shaft, and the hinge plate rotates around the hinge shaft to the limit. Position the bit strips so that the backrest of the sofa is at an inclination angle to the horizontal plane. 9. A lift-type folding sofa bed according to claim 8, characterized in that: the hinged plate is connected to the limiting bar through a rotating shaft, and the hinged plate rotates following the limiting bar so that the Lay the back of the sofa flat.