CN213464465U

CN213464465U - Folding sofa bed

Info

Publication number: CN213464465U
Application number: CN202021025106.4U
Authority: CN
Inventors: 王江林; 王郑兴; 鲍家华; 姚林强
Original assignee: Anji Hengyi Furniture Co ltd
Current assignee: Anji Hengyi Furniture Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-06-18
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a folding sofa bed, which comprises a bracket main body, a cushion which is arranged on the bracket main body in a sliding way, and a back cushion which is hinged at the rear end of the bracket main body; when the sofa bed is in the sofa state, the bottom of the back cushion is abutted against the rear end of the bracket main body and keeps an inclined state or a vertical state; the cushion slides forward and leaves the space that is used for holding the back pad for the support main part, and the back pad rotates downwards and imbeds in the space, and the back pad is turned into the state of lying down and splices with the cushion by slope state or vertical state, and then is turned into the bed state by the sofa state. The folding sofa bed has simple structure, and is simple to operate when the sofa state and the bed state are switched.

Description

Folding sofa bed

Technical Field

The utility model relates to the field of furniture, more specifically say that it relates to folding sofa bed.

Background

The sofa bed is a multi-purpose furniture with sofa function and bed function, and is popular with more and more consumers. The application publication number CN109452795A discloses a foldable sofa bed, which comprises a sofa body and a foldable bed, wherein the foldable bed is arranged on the sofa body, a base is arranged at the bottom of the sofa body, handrails are arranged on the left side and the right side of the base, a baffle is arranged at the rear end of the base, and the handrails are connected with the baffle; the folding sofa bed comprises a folding backup plate, a folding back plate and a sofa seat, wherein the tail end of the folding backup plate is movably connected with the inner sides of a left handrail and a right handrail through a connecting shaft, the front end of the folding backup plate is movably connected with the tail end of the folding back plate through a spring, the front end of the folding back plate is connected with the sofa seat shaft, the folding sofa bed further comprises a folding bed driving device and a folding bed control device, and the folding sofa bed has the beneficial effects that: the space is saved, and one object has multiple functions; automation, no labor and convenient use.

Grant publication No. CN104135896B discloses a foldable articulated sofa bed which has a compact profile when folded, with the seat cushion at a comfortable and ergonomic height, and an aesthetically pleasing streamlined appearance. The sofa bed has the advantage of having a deployment assembly with a support frame with a swinging rear arm that occupies less volume within the back of the sofa when the bed is folded. The sofa bed also has the advantage that the leg assembly is anchored within the sofa panel thickness, stacking the foot and middle panel closer to each other. The expansion assembly also cooperates to position the middle and foot panels of the bed at a lower height above the floor and below the seat cushion, respectively, in the folded position.

However, the sofa beds disclosed in the above two patents have the following disadvantages: a structure for realizing sofa function and bed function switch is more complicated, and the accessory is more, leads to high in production cost and equipment more loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

The utility model provides a folding sofa bed, the simple structure of this folding sofa bed, and the switching operation of sofa function and bed function is convenient and fast.

In order to achieve the above purpose, the utility model provides a following technical scheme: the folding sofa bed comprises a bracket main body, a seat cushion arranged on the bracket main body in a sliding way, and a back cushion hinged on the bracket main body, wherein the lower part of the back cushion is hinged with the rear end of the bracket main body; when the sofa bed is in the sofa state, the bottom of the back cushion is abutted against the rear end of the bracket main body and keeps an inclined state or a vertical state; the cushion slides forward and leaves the space that is used for holding the back pad for the support main part, and the back pad rotates downwards and imbeds in the space, and the back pad is turned into the state of lying down and splices with the cushion by slope state or vertical state, and then is turned into the bed state by the sofa state. The folding sofa bed has simple structure, and is simple to operate when the sofa state and the bed state are switched.

Preferably, the cushion slides through the cushion support and sets up in the support main part, and the cushion support slides around and drives the cushion and carry out the back-and-forth movement, just the rear portion of cushion with the cushion support is articulated. When the sofa state and the bed state are switched, the front end of the cushion can be lifted, and a user can conveniently push the cushion to move back and forth.

Preferably, a first hinge plate portion is fixed to a rear portion of the seat cushion, and the first hinge plate portion is hinged to a rear portion of the seat cushion bracket.

Preferably, the seat cushion bracket includes two slide plates slidably provided on the bracket main body, and a plurality of link portions are fixed or integrally formed between the two slide plates. The cushion bracket is simple in structure and easy to assemble.

Preferably, two supporting plate parts are further fixed to the middle of the bracket main body and arranged along the front-back direction of the bracket main body, and the sliding plate part is arranged on the supporting plate part in a sliding mode. On one hand, the supporting plate part can realize good supporting effect on the middle part of the cushion; on the other hand, if the transverse length of the cushion bracket is large, when the cushion bracket slides forwards and backwards, the left end and the right end of the cushion bracket are easy to slide asynchronously forwards and backwards, and then the phenomenon of dislocation occurs; the horizontal length that has reduced the cushion support of the setting of backup pad portion makes the back and forth slip of cushion support more smooth and easy.

Preferably, the two support plate parts are respectively provided with a guide rail or a guide groove, and the two slide plate parts are respectively connected with the guide rails or the guide grooves in a sliding manner; or the sliding plate part is arranged on the guide rail or the guide groove of the supporting plate part in a sliding mode through the roller.

Preferably, the front end of the seat cushion is hinged with a plurality of support legs capable of contacting with the ground, and the support legs can rotate relative to the seat cushion and are accommodated at the bottom of the seat cushion. The supporting legs can effectively support the cushion; simultaneously, when this sofa bed is in the sofa state, the supporting legs can be accomodate in the bottom of cushion, and it is comparatively convenient and make this sofa bed more pleasing to the eye to use.

Preferably, a back pad hinge is fixed to an upper end of the rear portion of the stand body, and the back pad is hinged to the stand body through the back pad hinge. When the sofa bed is in a sofa state, if the back cushion hinge is arranged on the side wall of the bracket main body, the back cushion hinge needs a firm connecting structure to bear the downward gravity of the back cushion; the technical scheme of this application fixes the back of the body pad hinge in the upper end of support subject, and the gravity that the back of the body was filled up acts on in the support subject through the back of the body pad hinge, and the support subject has played effectual supporting role to the back of the body pad promptly, has balanced the decurrent gravity of back of the body pad.

Preferably, the back cushion hinge comprises a hinge bracket fixed on the bracket main body and a second hinge plate part hinged on the hinge bracket, the second hinge plate part is provided with a plurality of avoiding holes and a plurality of mounting holes communicated with the avoiding holes, and the mounting holes are arranged below the avoiding holes; the back pad is fixed with a plurality of connecting pieces, and the connecting piece passes and dodges the hole and imbeds in the mounting hole, and the connecting piece is spacing by the mounting hole and then with back pad pre-assembly on the support main part simultaneously.

Preferably, armrests are symmetrically fixed to both left and right sides of the holder body.

To sum up, the utility model discloses following beneficial effect has: when the sofa bed is changed from the bed state to the sofa state, the back cushion rotates upwards until the bottom of the back cushion is abutted against the rear end of the bracket main body and keeps an inclined state or a vertical state, and meanwhile, the cushion slides backwards relative to the bracket main body so as to change the sofa bed from the bed state to the sofa state; when the sofa bed is changed from the sofa state to the bed state, the cushion slides forwards relative to the bracket main body, and simultaneously the back cushion rotates downwards to be changed from the inclined state or the vertical state to the lying state and is spliced with the cushion, so that the sofa bed is changed from the sofa state to the bed state; the folding sofa bed has simple structure, and is simple and rapid to operate when the sofa state and the bed state are switched.

Drawings

FIG. 1 is a schematic structural view of a folding sofa bed in a bed state;

FIG. 2 is a schematic view of the folding sofa bed in a sofa state;

FIG. 3 is a schematic structural view of a stent body;

FIG. 4 is a schematic view of the stent body from another perspective;

FIG. 5 is an enlarged view at B in FIG. 4;

FIG. 6 is a schematic view of the assembly of the main body of the bracket and the back pad;

FIG. 7 is an enlarged view taken at A in FIG. 4;

fig. 8 is an enlarged view at C in fig. 6.

Reference numerals: 1. a stent body; 2. a cushion; 21. a first hinge plate portion; 3. a back pad; 4. a cushion bracket; 5. a slide plate portion; 6. a connecting rod part; 7. a support plate portion; 8. supporting legs; 9. a hinge bracket; 10. A second hinge plate portion; 11. avoiding holes; 12. mounting holes; 13. a connecting member; 14. a handrail.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The embodiment discloses a folding sofa bed, which comprises a bracket main body 1, a seat cushion 2 arranged on the bracket main body 1 in a sliding manner, and a back cushion 3 hinged at the rear end of the bracket main body 1, as shown in fig. 1-5; specifically, cushion 2 slides through cushion support 4 and sets up on support main part 1, both ends respectively with support main part 1 sliding connection about cushion support 4, and cushion support 4 installs at the rear portion of cushion 2 and is located the lower part of cushion 2, so, makes things convenient for the equipment of cushion 2 and support main part 1. The cushion bracket 4 comprises two sliding plate parts 5 which are arranged on the bracket main body 1 in a sliding way, a plurality of connecting rod parts 6 are fixed between the two sliding plate parts 5 or are integrally formed, and the cushion bracket 4 has simple structure and is easy to assemble; the cushion bracket 4 slides back and forth and drives the cushion 2 to move back and forth; when the sofa bed is in the sofa state, the bottom of the back cushion 3 is abutted against the rear end of the bracket main body 1 and keeps an inclined state or a vertical state; the seat cushion 2 slides forward relative to the stand body 1 and leaves a space for accommodating the back cushion 3, the back cushion 3 rotates downward and is embedded in the space, the back cushion 3 is changed from an inclined state or a vertical state into a lying state and is spliced with the seat cushion 2, and then is changed from a sofa state into a bed state. When the sofa bed is changed from the bed state to the sofa state, the back cushion 3 rotates upwards until the bottom of the back cushion 3 is abutted against the rear end of the bracket main body 1 and keeps an inclined state or a vertical state, and meanwhile, the cushion 2 slides backwards relative to the bracket main body 1 so as to change the sofa bed from the bed state to the sofa state; when the sofa bed is changed from the sofa state to the bed state, the cushion 2 slides forwards relative to the bracket main body 1, and simultaneously, the back cushion 3 rotates downwards to be changed from the inclined state or the vertical state to the lying state and is spliced with the cushion 2, so that the sofa bed is changed from the sofa state to the bed state; the folding sofa bed has simple structure, and is simple and rapid to operate when the sofa state and the bed state are switched.

In the above-described technical solution, the slide connection between the seat cushion 2 bracket and the bracket main body 1 is not particularly limited as long as the seat cushion 2 bracket can slide back and forth on the bracket main body 1. As shown in fig. 3, 4 and 5, two ends of the bracket of the seat cushion 2 are respectively and directly connected with the bracket main body 1 in a sliding way; or, two supporting plate parts 7 are fixed at the middle part of the bracket main body 1, the two supporting plate parts 7 are arranged along the front-back direction of the bracket main body 1, and the sliding plate part 5 on the bracket of the cushion 2 is arranged on the supporting plate parts 7 in a sliding manner, so that on one hand, the supporting plate parts 7 can realize good supporting effect on the middle part of the cushion 2; on the other hand, if the transverse length of the bracket of the seat cushion 2 is large, when the seat cushion 2 slides forwards and backwards, the left end and the right end of the bracket of the seat cushion 2 are easy to slide asynchronously forwards and backwards, and then are easy to be misplaced; the provision of the support plate portion 7 reduces the lateral length of the seat cushion 2 bracket so that the forward and backward sliding of the seat cushion 2 bracket is smoother. Further, a guide rail or a guide groove is arranged on each of the two support plate parts 7, the two slide plate parts 5 are respectively connected with the guide rail or the guide groove in a sliding manner, and further, the slide plate parts 5 are arranged on the guide rail or the guide groove of the support plate part 7 in a sliding manner through rollers.

In addition, when the sofa bed is in a bed state, the front end of the seat cushion 2 extends forwards relative to the bracket main body 1, and if no supporting component is used for supporting, the seat cushion is easy to shake, or the seat cushion inclines downwards under the action of the weight of a person, so that as shown in fig. 1, the front end of the seat cushion 2 is also hinged with a plurality of supporting legs 8 capable of contacting with the ground, and the supporting legs 8 can rotate relative to the seat cushion 2 and are accommodated at the bottom of the seat cushion 2, so that the supporting legs 8 can effectively support the seat cushion 2; meanwhile, when the sofa bed is in the sofa state, the supporting legs 8 can be stored at the bottom of the cushion 2, so that the sofa bed is convenient to use and more attractive.

Further, the rear portion of the seat cushion 2 is hinged to the seat cushion bracket 4, as shown in fig. 4 and 5, specifically, the rear portion of the seat cushion 2 is fixed with a first hinge plate portion 21, and the first hinge plate portion 21 is hinged to the rear portion of the slide plate portion 5, so that when the sofa state and the bed state are switched, the front end of the seat cushion 2 can be lifted, and a user can push the seat cushion 2 to move back and forth. Specifically, the upper end of the rear portion of the support main body 1 is fixed with a plurality of back cushion hinges, and the back cushion 3 is hinged to the support main body 1 through the back cushion hinges. When the sofa bed is in a sofa state, if the back cushion hinge is arranged on the side wall of the bracket main body 1, the back cushion hinge needs a firm connecting structure to bear the downward gravity of the back cushion 3; the technical scheme of this application fixes the back of the body pad hinge in the upper end of support main part 1, and the gravity that the back of the body was filled up 3 passes through the back of the body and fills up the hinge effect on support main part 1, and support main part 1 has played effectual supporting role to back of the body pad 3 promptly, has balanced the decurrent gravity of back of the body pad 3. Further, as shown in fig. 6, 7 and 8, the back pad hinge includes a hinge bracket 9 fixed on the bracket main body 1, and a second hinge plate portion 10 hinged on the hinge bracket 9, the second hinge plate portion 10 is provided with a plurality of avoiding holes 11 and a plurality of mounting holes 12 communicated with the avoiding holes 11, the mounting holes 12 are disposed below the avoiding holes 11, and the outer diameter of the avoiding holes 11 is larger than the outer diameter of the mounting holes 12; a plurality of connecting pieces 13 are fixed on the back pad 3, the connecting pieces 13 penetrate through the avoiding holes 11 on the second hinge plate part 10 and are embedded into the mounting holes 12, the connecting pieces 13 are limited by the mounting holes 12 so as to pre-assemble the back pad 3 on the bracket main body 1, and finally, the second hinge plate part 10 is fixedly connected with the back pad 3 through fasteners, wherein the connecting pieces 13 are bolts; alternatively, a bolt-like structure, such as having a shank and a head, with the head having an outer diameter dimension greater than the shank. Thus, the assembly of the bracket main body 1 and the back cushion 3 is facilitated.

Armrests 14 are symmetrically fixed to both left and right sides of the stand body 1.

Wherein, the fastener is screw or bolt.

The directions given in the present embodiment are merely for convenience of describing positional relationships between the respective members and the relationship of fitting with each other. It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. Folding sofa bed, characterized by: the multifunctional seat cushion comprises a support main body (1), a seat cushion (2) arranged on the support main body (1) in a sliding manner, and a back cushion (3) hinged on the support main body (1), wherein the lower part of the back cushion (3) is hinged with the rear part of the support main body (1); when the sofa bed is in a sofa state, the bottom of the back cushion (3) is abutted against the rear end of the bracket main body (1) and is kept in an inclined state or a vertical state; the seat cushion (2) slides forwards relative to the bracket main body (1) and leaves a space for accommodating the back cushion (3), the back cushion (3) rotates downwards and is embedded into the space, the back cushion (3) is changed from an inclined state or a vertical state into a lying state and is spliced with the seat cushion (2), and then the sofa state is changed into a bed state.

2. A folding sofa bed according to claim 1, wherein: cushion (2) slide through cushion support (4) and set up on support main part (1), and cushion support (4) slides around and drives cushion (2) and carry out the back-and-forth movement, just the rear portion of cushion (2) with cushion support (4) are articulated.

3. A folding sofa bed according to claim 2, wherein: the rear portion of cushion (2) is fixed with first articulated board portion (21), first articulated board portion (21) is articulated with the rear portion of cushion support (4).

4. A folding sofa bed according to claim 3, wherein: cushion support (4) are fixed with a plurality of connecting rod portion (6) including two slide plate portion (5) of slip setting on support main part (1) between two slide plate portion (5).

5. A folding sofa bed according to claim 4, wherein: the middle part of support main part (1) still is fixed with two backup pads portion (7), and two backup pads portion (7) set up along the fore-and-aft direction of support main part (1), slide board portion (5) slide and set up on backup pad portion (7).

6. A folding sofa bed according to claim 5, wherein: the two supporting plate parts (7) are respectively provided with a guide rail or a guide groove, and the two sliding plate parts (5) are respectively connected with the guide rails or the guide grooves in a sliding manner; or the slide plate part (5) is arranged on a guide rail or a guide groove of the support plate part (7) in a sliding way through a roller.

7. A folding sofa bed according to claim 1, wherein: the front end of cushion (2) is articulated to have a plurality of supporting legss (8) that can contact with ground, and supporting legss (8) can rotate and accomodate in the bottom of cushion (2) for cushion (2).

8. A folding sofa bed according to claim 1, wherein: the upper end at the rear part of the support main body (1) is fixed with a back cushion hinge, and the back cushion (3) is hinged with the support main body (1) through the back cushion hinge.

9. A folding sofa bed according to claim 8, wherein: the back cushion hinge comprises a hinge support (9) fixed on the support main body (1) and a second hinge plate part (10) hinged to the hinge support (9), a plurality of avoiding holes (11) and a plurality of mounting holes (12) communicated with the avoiding holes (11) are formed in the second hinge plate part (10), and the mounting holes (12) are arranged below the avoiding holes (11); the back cushion (3) is fixed with a plurality of connecting pieces (13), the connecting pieces (13) penetrate through the avoiding holes (11) and are embedded into the mounting holes (12), and meanwhile the connecting pieces (13) are limited by the mounting holes (12) so that the back cushion (3) is preassembled on the support main body (1).

10. A folding sofa bed according to claim 1, wherein: armrests (14) are symmetrically fixed on the left side and the right side of the support main body (1).