CN111493577A

CN111493577A - Folding sofa bed

Info

Publication number: CN111493577A
Application number: CN202010437717.8A
Authority: CN
Inventors: 余关林; 徐永建; 余林松
Original assignee: Haining Gaodian Furniture Co ltd
Current assignee: Haining Gaodian Furniture Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2020-08-07

Abstract

The invention relates to the technical field of furniture, in particular to a folding sofa bed, which comprises a sofa seat and a folding bed, wherein the sofa seat is internally provided with a placing groove, the folding bed can be folded in the sofa seat, a cushion is arranged on the folding bed, a lifting driving mechanism is arranged in the placing groove, one end of the lifting driving mechanism is fixedly arranged on the sofa seat, the other end of the lifting driving mechanism is fixedly arranged on the folding bed, and the lifting driving mechanism pushes the folding bed to vertically lift on the sofa seat. The invention has the effects of enabling the folding bed to vertically lift, preventing the folding bed from deviating after lifting, reducing occupied space and saving space resources in a room.

Description

Folding sofa bed

Technical Field

The invention relates to the technical field of furniture, in particular to a folding sofa bed.

Background

Along with the society development quickening, population constantly increases, and living space's finiteness is more obvious, and most families can purchase sofa bed, when the sand is out of business at ordinary times, have guest night when sleeping, convert to the bed, so not only save the spending, still reduce the space and occupy, increase space utilization, and there are various sofa beds in the existing market, and the conversion mode between sofa and the bed is also diversified.

The traditional Chinese patent with the publication number of CN105996555B discloses a folding sofa bed, which comprises a sofa seat (1) and a folding bed (3), wherein a placing groove (2) is formed in the sofa seat (1), the folding bed (3) can be folded in the sofa seat (1), a cushion (4) capable of covering the sofa seat (1) is hinged to the sofa seat (1), two side edges of one end of the folding bed (3) are respectively connected with the interior of the sofa seat (1) through two hinge rods (5), and two ends of the two hinge rods (5) are respectively hinged to the sofa seat (1) and the folding bed (3) to form a quadrilateral structure, and the folding sofa bed is characterized in that: cushion (4) include with sofa seat (1) one side articulated upset 90 degrees vertical back bottom support top obtain fixed first turn over board (6) and with first turn over board (6) other end articulated upset back its free end support top near second turn over board (7) of folding bed (3) one end, first turn over board (6) relative with sofa seat (1) articulated one end be equipped with elasticity inserted bar (9), first turn over board (6) upset 90 degrees back be equipped with on sofa seat (1) with elasticity inserted bar (9) grafting complex slot (10).

The above prior art solutions have the following drawbacks: thereby current sofa bed's folding bed forms a quadrangle structure through two hinge bars and sofa seat and folding bed are articulated and accomplishes the lift, and quadrangle structure needs the swing space at the lift in-process, and folding bed can be towards keeping away from sofa seat direction skew after the lifting, and the folding bed of opening can occupy more spaces, can occupy more space resources in the room.

Disclosure of Invention

Aiming at the defects in the prior art, one of the purposes of the invention is to provide a folding sofa bed, which can vertically lift the folding bed, the folding bed cannot deviate after being lifted, the occupied space is reduced, and the space resources in a room are saved.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a folding sofa bed, includes that inside is equipped with the sofa seat of standing groove and can folds the folding bed in the sofa seat, install the cushion on the folding bed, be provided with lift actuating mechanism in the standing groove, lift actuating mechanism one end sets firmly on the sofa seat, and the other end sets firmly on the folding bed, and lift actuating mechanism promotes the vertical lift of folding bed on the sofa seat.

Through adopting above-mentioned technical scheme, promote the vertical lift of folding bed on the sofa seat through lift actuating mechanism, can not squint after the folding bed lifting, need not to predetermine the space of commentaries on classics, reduce the space that occupies simultaneously, practice thrift the space resource in the room.

The present invention in a preferred example may be further configured to: the lifting driving mechanism comprises a rotating rod, a lifting rod and a driving assembly, the rotating rod is rotatably arranged in a placing groove of the sofa bed, the lifting rod is provided with two equal vertical devices arranged in the placing groove, one end of the lifting rod is fixedly arranged on the folding bed, the driving assembly is arranged between the lifting rod and the rotating rod, and the rotating rod rotates to enable the lifting rod to lift through the driving assembly.

Through adopting above-mentioned technical scheme, the bull stick rotates and makes the lifter go up and down through drive assembly to realize that folding bed goes up and down on the sofa seat, the setting of bull stick can be through manual rotation, also can adopt the electric drive through the installation motor, conveniently selects different operation mode.

The present invention in a preferred example may be further configured to: the driving assembly comprises a driving bevel gear, a screw and a driven bevel gear, the driving bevel gear is fixedly arranged on the rotating rod, the screw is rotatably arranged in the placing groove, the lifting rod is sleeved with the lifting rod and is in threaded connection with one end of the screw, the screw rotates to drive the lifting rod to lift, the driven bevel gear is fixedly arranged at one end, far away from the lifting rod, of the screw, and the driven bevel gear and the driving bevel gear are meshed with each other.

Through adopting above-mentioned technical scheme, screw rod and lifter threaded connection rotate the screw rod and make the lifter rotate and go up and down, and the drive bevel gear cooperation driven bevel gear has realized turning to the transmission of power, provides power for the screw rod rotates.

The present invention in a preferred example may be further configured to: the utility model discloses a lifting rod, including standing groove, stand, deflector, restriction subassembly, stand, and the stand is equipped with the deflector in the standing groove, deflector one end sets firmly on the standing groove inner wall, and another pot head is established in the lifter periphery, installs the restriction subassembly on the deflector, and the restriction subassembly restricts the lifter and rotates, makes the vertical lift of lifter.

Through adopting above-mentioned technical scheme, restriction subassembly cooperation deflector makes the vertical lift of lifter, makes the lifter can directly go up and down, need not to rotate and goes up and down, slows down the torsional force between lifter and the folding bed, makes lifter and folding bed junction difficult damaged, and while snap-on also can increase the structural strength between lifter and the folding bed.

The present invention in a preferred example may be further configured to: the limiting assembly comprises a limiting groove and a limiting block, the limiting groove is vertically formed in the lifting rod, the limiting block is fixedly arranged on the guide plate, and the limiting block is vertically arranged in the limiting groove in a sliding mode.

Through adopting above-mentioned technical scheme, restriction on the lifter rotation direction has been realized to restriction groove cooperation restriction piece, makes the lifter can vertical lift.

The present invention in a preferred example may be further configured to: the lifting driving mechanism comprises a plurality of driving electric cylinders, one ends of the driving electric cylinders are fixedly arranged on the sofa seat in the placing grooves, and the other ends of the driving electric cylinders are fixedly arranged on the folding bed.

Through adopting above-mentioned technical scheme, adopt the drive electric jar drive folding bed to go up and down, it is convenient fast.

The present invention in a preferred example may be further configured to: the two sides of the sofa seat are provided with armrest parts, and one end of the sofa seat is provided with a backup plate.

By adopting the technical scheme, the arrangement of the armrest part and the backup plate can make the sofa bed more comfortable in use.

The present invention in a preferred example may be further configured to: the folding bed is hinged with a back cushion, one end of the back cushion is attached to the backup plate, and one end of the back cushion attached to the backup plate is supported on the ground after the folding bed is unfolded.

Through adopting above-mentioned technical scheme, the setting of cushion can promote the comfort level of back when the sofa uses at the divan, can act as the supporting legs when the bed uses.

The present invention in a preferred example may be further configured to: the sofa seat, the armrest part, the backup plate, the cushion and the back cushion are all sleeved with a cloth layer.

Through adopting above-mentioned technical scheme, setting up of bed of cloth can make the spot adhesion on the bed of cloth, directly clears up the spot through dismantling the bed of cloth to wasing, makes sofa bed clean and tidy more and convenient clearance.

The present invention in a preferred example may be further configured to: one end of the back cushion attaching backup plate is fixedly provided with a wear-resistant pad.

Through adopting above-mentioned technical scheme, the wearing and tearing of cushion can be slowed down in the setting of wearing pad, increases the life of cushion.

In summary, the invention includes at least one of the following beneficial technical effects:

the folding bed is pushed to vertically lift on the sofa seat through the lifting driving mechanism, the folding bed cannot deviate after being lifted, the space for rotation does not need to be preset, meanwhile, the occupied space is reduced, and the space resources in a room are saved;

the rotating rod rotates to enable the lifting rod to lift through the driving assembly, so that the folding bed can lift on the sofa seat, the rotating rod can be manually rotated, and the rotating rod can be electrically driven through a motor, so that different operation modes can be conveniently selected;

the limiting assembly is matched with the guide plate to enable the lifting rod to vertically lift, so that the lifting rod can be directly lifted without rotating to lift, the torsional force between the lifting rod and the folding bed is reduced, the joint of the lifting rod and the folding bed is not easy to damage, and meanwhile, the structural strength between the lifting rod and the folding bed can be increased by direct fixation;

the driving electric cylinder is adopted to drive the folding bed to lift, so that the folding bed is fast and convenient;

the back cushion can improve the comfort level of the back when the sofa bed is used as a sofa, and can serve as a supporting leg when the sofa bed is used;

the setting of bed of cloth can make the spot adhesion on the bed of cloth, directly clears up the spot through dismantling the bed of cloth to wasing, makes sofa bed clean and tidy more and convenient clearance.

Drawings

Fig. 1 is a schematic overall structure diagram of the first embodiment.

Fig. 2 is a schematic sectional structure diagram of the first embodiment.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

FIG. 4 is a schematic view of the overall structure of another embodiment.

Fig. 5 is a schematic view of the overall structure of the second embodiment.

In the figure, 0, a slot is placed; 1. a sofa seat; 2. folding the bed; 3. a cushion; 4. a lifting drive mechanism; 41. a rotating rod; 42. a lifting rod; 43. a drive assembly; 431. a drive bevel gear; 432. a screw; 433. a driven bevel gear; 44. driving an electric cylinder; 5. a guide plate; 6. a restraining component; 61. a limiting groove; 62. a limiting block; 7. an armrest portion; 8. a backup plate; 9. back cushion; 10. a cloth layer; 11. a wear pad.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1, the foldable sofa bed disclosed by the invention comprises a sofa seat 1 with a placing groove 0 arranged inside and a foldable bed 2 capable of being folded in the sofa seat 1, wherein a cushion 3 is arranged on the foldable bed 2, a lifting driving mechanism 4 is arranged in the placing groove 0, one end of the lifting driving mechanism 4 is fixedly arranged on the sofa seat 1, the other end of the lifting driving mechanism 4 is fixedly arranged on the foldable bed 2, the lifting driving mechanism 4 pushes the foldable bed 2 to vertically lift on the sofa seat 1, the foldable bed 2 is pushed to vertically lift on the sofa seat 1 through the lifting driving mechanism 4, the foldable bed 2 cannot deviate after being lifted, the rotating space does not need to be preset, the occupied space is reduced, and the space resources in a room are saved.

Referring to fig. 2 and 3, the lifting driving mechanism 4 includes a rotating rod 41 rotatably disposed in the placing slot 0 of the sofa bed, two lifting rods 42 both vertically disposed in the placing slot 0, and a driving assembly 43 disposed between the lifting rods 42 and the rotating rod 41, one end of the lifting rod 42 is fixedly disposed on the folding bed 2, the rotating rod 41 rotates to lift the lifting rod 42 through the driving assembly 43, thereby realizing that the folding bed 2 can be lifted on the sofa seat 1, the rotating rod 41 can be manually rotated, and can also be electrically driven by installing a motor, different operation modes can be conveniently selected, when manual operation is adopted, the rotating rod 41 needs to be extended out of the sofa seat 1, a turntable is arranged on one side of the rotating rod 41 extending out of the sofa seat 1, preferably, an embedding groove is arranged on the sofa seat 1 to embed the turntable on the sofa seat 1, and a cover plate is arranged to ensure that the outer part of the sofa seat is attractive; when electric driving is adopted, a driving motor is required to be arranged on the rotating rod 41, and the driving motor is preferably a servo motor and is arranged in the placing groove 0; meanwhile, a circuit board is required to be installed and quick closing is required to be controlled; when needs can be manual or electronic, need combine preceding both sides promptly to install the handle and need install driving motor to driving motor can not have self-locking function otherwise can not manually rotate bull stick 41.

Referring to fig. 3, the driving assembly 43 includes two bevel gears actively fixed on the rotating rod 41, two screw rods 432 rotatably disposed in the placing groove 0, and driven bevel gears 433 fixed on the screw rods 432, wherein the two lifting rods 42 are respectively sleeved and screwed on one end of the screw rods 432, the screw rods 432 rotate to drive the lifting rods 42 to lift, the driven bevel gears 433 are fixed on one ends of the screw rods 432 far away from the lifting rods 42, and the driven bevel gears 433 are engaged with the driving bevel gears 431; the screw 432 is in threaded connection with the lifting rod 42, the lifting rod 42 is rotated and lifted by rotating the screw 432, the driving bevel gear 431 is matched with the driven bevel gear 433 to realize power steering transmission, and power is provided for rotation of the screw 432; in order to ensure the supporting effect and the lifting effect, a plurality of groups of lifting driving mechanisms 4 can be arranged in the sofa seat 1.

Referring to fig. 3, a guide plate 5 is fixedly arranged in a placing groove 0, one end of the guide plate 5 is fixedly arranged on the inner wall of the placing groove 0, the other end of the guide plate 5 is sleeved on the periphery of a lifting rod 42, a limiting component 6 is arranged on the guide plate 5, the limiting component 6 limits the rotation of the lifting rod 42 to enable the lifting rod 42 to vertically lift, the limiting component 6 is matched with the guide plate 5 to enable the lifting rod 42 to vertically lift, the lifting rod 42 can directly lift without rotating to lift, the torsional force between the lifting rod 42 and a folding bed 2 is reduced, the joint of the lifting rod 42 and the folding bed 2 is not easy to damage, and meanwhile, the structural strength between the lifting rod 42 and the folding bed 2 can be improved; the limiting assembly 6 comprises a limiting groove 61 vertically formed in the lifting rod 42 and a limiting block 62 fixedly arranged on the guide plate 5, the limiting block 62 is vertically arranged in the limiting groove 61 in a sliding mode, the limiting groove 61 is matched with the limiting block 62 to limit the lifting rod 42 in the rotating direction, and the lifting rod 42 can vertically lift; the standing groove 0 of sofa seat 1 has set firmly a plurality of dead levers, and folding bed 2 has set firmly the cover that slides towards 1 one end of sofa seat, and the cover that slides is established on the dead lever and is gone towards keeping away from or being close to sofa seat 1 on the dead lever, and the dead lever can play the guide effect with the setting of the cover that slides, increases the structural strength between sofa and the folding bed 2 simultaneously.

Referring to fig. 1 and 4, the two sides of the sofa seat 1 are provided with armrest parts 7, one end of the sofa seat 1 is provided with a backup plate 8, and the arrangement of the armrest parts 7 and the backup plate 8 can make the sofa bed more comfortable in use; articulated on the folding bed 2 have

cushion

9, and 9 one end laminating backup plates 8 of cushion set up, and 9 laminating backup plates 8 one end of cushion support of cushion are set up subaerial after folding bed 2 expandes, and the comfort level of back can be promoted when sofa bed uses in the setting of cushion 9, can act as the supporting legs when the bed uses.

Referring to fig. 1, 2 and 4, a cloth layer 10 is sleeved on each of a sofa seat 1, a handrail part 7, a backup plate 8, a cushion 3 and a back cushion 9, dirt can be adhered to the cloth layer 10 by the cloth layer 10, the cloth layer 10 is detached to directly clean the dirt by cleaning, so that the sofa bed can be cleaned neatly and conveniently, the cloth layer 10 is preferably a mixed cloth of pure cotton and terylene, and the mixed cloth of the pure cotton and the terylene is not easy to pilling, deform, wrinkle and dye or change color; the cushion 9 is laminated backup plate 8 and is set up one end and has set firmly wear pad 11, and the preferred rubber pad of wear pad 11, and the wearing and tearing of cushion 9 can be slowed down in the setting of wear pad 11, increase cushion 9's life.

The implementation principle of the embodiment is as follows: the folding bed 2 is lifted on the sofa seat 1 by rotating the handle or starting the driving motor, then the sofa bed is folded and unfolded, the back cushion 9 is rotated to enable the back cushion 9 to be abutted to the ground, then the mat or the mattress is laid on the folding bed 2 to convert the sofa into the bed, when the sofa bed needs to be folded and folded, the mat or the mattress is taken down firstly, then the folding bed 2 is folded, the back cushion 9 is rotated, the handle is rotated or the driving motor is started after the folding is finished, the folding bed 2 is lowered into the sofa seat 1, the back cushion 9 is abutted to the backup plate 8, and the bed is converted into the sofa.

Example two:

a folding sofa bed is characterized in that a lifting driving mechanism 4 of the second embodiment is different from that of the first embodiment.

Referring to fig. 5, the lifting driving mechanism 4 includes a plurality of driving electric cylinders 44, one end of each driving electric cylinder 44 is fixedly arranged on the sofa seat 1 in the placing groove 0, the other end of each driving electric cylinder 44 is fixedly arranged on the folding bed 2, and the driving electric cylinders 44 are adopted to drive the folding bed 2 to lift, so that the lifting is fast and convenient.

The implementation principle of the embodiment is as follows: the driving electric cylinder 44 is started to lift the folding bed 2 on the sofa seat 1, then the sofa bed is folded and unfolded, the back cushion 9 is rotated to enable the back cushion 9 to be abutted to the ground, then a mat or a mattress quilt is laid on the folding bed 2 to convert the sofa into the bed, when the sofa bed needs to be folded and folded, the mat or the mattress quilt is taken off firstly, then the folding bed 2 is folded, the back cushion 9 is rotated, the driving electric cylinder 44 is started after the folding is finished, the folding bed 2 is lowered into the sofa seat 1, the back cushion 9 is abutted to the backup plate 8, and the bed is converted into the sofa.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a folding sofa bed, includes inside sofa seat (1) that is equipped with standing groove (0) and folding bed (2) that can fold in sofa seat (1), install cushion (3), its characterized in that on folding bed (2): be provided with lift actuating mechanism (4) in standing groove (0), lift actuating mechanism (4) one end sets firmly on sofa seat (1), and the other end sets firmly on folding bed (2), and lift actuating mechanism (4) promote folding bed (2) vertical lift on sofa seat (1).

2. A folding sofa bed according to claim 1, wherein: lifting drive mechanism (4) are including bull stick (41), lifter (42) and drive assembly (43), bull stick (41) rotate and set up in standing groove (0) of sofa bed, lifter (42) have two equal vertical settings in standing groove (0), lifter (42) one end sets firmly on folding bed (2), drive assembly (43) set up between lifter (42) and bull stick (41), and bull stick (41) rotate and make lifter (42) go up and down through drive assembly (43).

3. A folding sofa bed according to claim 2, wherein: the driving assembly (43) comprises a driving bevel gear (431), a screw rod (432) and a driven bevel gear (433), wherein the driving bevel gear (431) is fixedly arranged on the rotating rod (41), the screw rod (432) is rotatably arranged in the placing groove (0), the lifting rod (42) is sleeved with and is in threaded connection with one end of the screw rod (432), the screw rod (432) rotates to drive the lifting rod (42) to lift, the driven bevel gear (433) is fixedly arranged at one end, far away from the lifting rod (42), of the screw rod (432), and the driven bevel gear (433) is meshed with the driving bevel gear (431).

4. A folding sofa bed according to claim 3, wherein: standing groove (0) internal fixation has deflector (5), deflector (5) one end sets firmly on standing groove (0) inner wall, and other pot head is established in lifter (42) periphery, installs restriction subassembly (6) on deflector (5), and restriction subassembly (6) restrict lifter (42) and rotate, make lifter (42) vertical lift.

5. A folding sofa bed according to claim 4, wherein: the limiting assembly (6) comprises a limiting groove (61) and a limiting block (62), the limiting groove (61) is vertically formed in the lifting rod (42), the limiting block (62) is fixedly arranged on the guide plate (5), and the limiting block (62) is vertically arranged in the limiting groove (61) in a sliding mode.

6. A folding sofa bed according to claim 1, wherein: the lifting driving mechanism (4) comprises a plurality of driving electric cylinders (44), one ends of the driving electric cylinders (44) are fixedly arranged on the sofa seat (1) in the placing groove (0), and the other ends of the driving electric cylinders are fixedly arranged on the folding bed (2).

7. A folding sofa bed according to one of the claims 5 or 6, characterised in that: the two sides of the sofa seat (1) are provided with armrest parts (7), and one end of the sofa seat (1) is provided with a backup plate (8).

8. A folding sofa bed according to claim 7, wherein: articulated on folding bed (2) have cushion (9), cushion (9) one end laminating backup plate (8) set up, and cushion (9) laminating backup plate (8) one end support sets up subaerial after folding bed (2) expand.

9. A folding sofa bed according to claim 8, wherein: the sofa seat (1), the armrest part (7), the backup plate (8), the cushion (3) and the back cushion (9) are all sleeved with a cloth layer (10).

10. A folding sofa bed according to claim 9, wherein: one end of the back cushion (9) which is attached to the back plate (8) is fixedly provided with a wear-resistant cushion (11).