CN215226190U - Sofa bed - Google Patents

Abstract

The utility model relates to a sofa bed, including fixed frame, movable frame, first mattress and second mattress, first mattress is close to the tailstock, and the second mattress is close to the head of a bed, and first mattress is fixed on movable frame, one side and the fixed frame fixed connection that the second mattress is close to the head of a bed, one side and the first mattress fixed connection of head of a bed are kept away from to the second mattress, the second mattress is made by the software material that can warp by curling, and movable frame and fixed frame can draw in or pull out along head and the tail direction sliding connection of bed: when the movable frame is pulled out from the fixed frame to form a bed state, the movable frame forms a bed tail part, the fixed frame forms a bed head part, and the second mattress is unfolded and laid on the fixed frame; when the movable frame is folded into the fixed frame to form a sofa state, the first mattress forms a sofa cushion, and the second mattress is curled to form a sofa back cushion.

Description

Sofa bed

Technical Field

The utility model relates to the field of furniture, especially, relate to a sofa bed.

Background

The sofa bed in daily life has the unfolding function and is convenient for rest; however, the conventional sofa bed is usually unfolded by moving the backrest, and since the backrest is bulky and heavy, manual unfolding is laborious, but automatic unfolding requires a complicated mechanism to realize unfolding and ensure the use safety, which not only increases the overall volume and weight of the sofa, but also has high cost.

Chinese patent publication No. CN106388388A discloses a translation sofa bed, which comprises: a backrest vertical plate; the front framework is arranged at the lower part of the front surface of the backrest vertical plate, and two sides of the front framework are respectively provided with a sliding rail; a back cushion corresponding to the front frame; a middle framework arranged on the upper surface of the front framework in a sliding way; an upper cushion corresponding to the middle skeleton; the rear framework is movably connected to one end, far away from the backrest vertical plate, of the middle framework, a lower cushion is fixed on the rear framework, the lower cushion is hinged to the end portion of the upper cushion, and L-shaped support legs are arranged at the lower portion of the rear framework; wherein can realize the conversion between bed and sofa through preceding, neutralization back triplex wherein just need great hidden space to be used for realizing the conversion, can increase whole weight between each part, need take out the back pad at the in-process of expanding, will accomplish again to expand processes such as, and be comparatively troublesome.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, an object of the present invention is to provide a sofa bed with a small volume, convenient unfolding and low cost and weight.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a sofa bed, includes fixed frame, movable frame, first mattress and second mattress, and first mattress is close to the tailstock, and the second mattress is close to the head of a bed, and first mattress is fixed on movable frame, one side and the fixed frame fixed connection that the second mattress is close to the head of a bed, one side and the first mattress fixed connection of head of a bed are kept away from to the second mattress, the second mattress is made by the software material that can warp by curling, and movable frame and fixed frame are followed head and the tail direction sliding connection of bed and can be drawn in or pull out: when the movable frame is pulled out from the fixed frame to form a bed state, the movable frame forms a bed tail part, the fixed frame forms a bed head part, and the second mattress is unfolded and laid on the fixed frame; when the movable frame is folded into the fixed frame to form a sofa state, the first mattress forms a sofa cushion, and the second mattress is curled to form a sofa back cushion.

Preferably, the fixed frame comprises enclosing plates, a support frame and a plurality of fixed bed strips, the support frame is a rectangular frame, the enclosing plates are fixed on three sides of the support frame in a surrounding manner, and the plurality of fixed bed strips are laid along the head-to-tail direction of the bed and fixed on the support frame; the movable frame comprises a front baffle, a rear baffle and a plurality of moving bed slats, the moving bed slats are laid along the head-to-tail direction of the bed, one ends of the moving bed slats, which are close to the tail of the bed, are fixedly connected with the front baffle, and one ends of the moving bed slats, which are far away from the tail of the bed, are fixedly connected with the rear baffle; wherein, the moving bed lath and the fixed bed lath are arranged at left and right intervals and have similar height, and the back baffle is positioned below the moving bed lath and the fixed bed lath.

Preferably, a plurality of sliding guide rails are fixed in the support frame, a plurality of sliding parts are slidably fitted on the sliding guide rails, and the sliding parts are fixedly connected with the movable frame, so that the movable frame is slidably connected with the fixed frame through the sliding guide rails.

Preferably, the sliding element is fixedly connected to the moving bed slats and/or the tailgate.

Preferably, the sliding member is a slider, a roller, or a linear bearing.

Preferably, an electric push rod is installed in the fixed frame, one end of the electric push rod is connected with the fixed frame, and the other end of the electric push rod is connected with the movable frame.

Preferably, one end of the electric push rod is movably connected with the support frame in the fixed frame, and the other end of the electric push rod is movably connected with the front baffle in the movable frame.

Preferably, a plurality of reinforcing rods are fixed in the supporting frame and fixedly connected with the left side and the right side of the bottom of the supporting frame.

Preferably, a reinforcing plate is fixed in the support frame, the reinforcing plate is parallel to the opening end, and the direction and installation of the reinforcing plate are used for increasing the overall strength.

Preferably, the enclosing plate is wrapped with a wrapper, and the second mattress is fixedly connected with the wrapper so as to be fixedly connected with the fixed frame.

In the technical scheme of the utility model, the backrest of the common sofa bed is replaced by rolling the back cushion, so that the overall structure of the sofa bed is simpler, and the risk caused by the failure of the mechanism is reduced; the overall weight of the sofa bed is reduced by means of surrounding plates, hollow baffle plates, rectangular support frames, fixed bed slats and moving bed slats which are matched with each other and the like; through the action of expansion and rolling can be realized to electric putter 17, the drive disk assembly of very big part has been reduced to alleviate among this technical scheme the whole weight of sofa bed, simplify the mechanism, reduce cost.

Drawings

FIG. 1 is a view showing a state of the sofa bed when the sofa bed is rolled up;

FIG. 2 is a view showing the sofa bed in an unfolded state;

FIG. 3 is a bottom view of a sofa bed;

FIG. 4 is a top view of a sofa sleeper;

fig. 5 is a schematic structural view of a sofa bed.

Reference numerals: 11. enclosing plates; 12. a support frame; 13. a fixed bed slat; 14. moving the bed of staves; 16. a tailgate; 17. the sliding guide rail; 18. the sliding guide rail; 19. a sliding member; 2. a front baffle; 3. a handrail plate; 31. a first mattress; 32. A second mattress; 33. a reinforcing bar;

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

A sofa bed as shown in fig. 1-5, comprising a surrounding plate 11, a handrail plate 3, a first mattress 31 and a second mattress 32, wherein one side of the surrounding plate 11 is open, two sides of the open end of the surrounding plate 11 are provided with grooves, the handrail plate 3 is hinged in the grooves, the first mattress 31 and the second mattress 32 are fixed together, a rectangular support frame 12 is fixedly connected in the surrounding plate 11, a plurality of fixed bed slats 13 are fixed on the support frame 12, the fixed bed slats 13 are perpendicular to the opening direction of the surrounding plate 11, the support frame 12 and the fixed bed slats 13 form a fixed frame, the fixed frame is a bed head part, a moving bed slat 14 is laid in the gap of the fixed bed slats 13 along the head-tail direction of the bed, the moving bed slats 14 and the fixed bed slats 13 are spaced and close in height, one end of each moving bed slat 14 is fixed on a rear baffle 16, the rear baffle 16 is located in the support frame 12, the other end of each moving bed slat 14 is fixed on a front baffle 2, the front baffle 2 is located on one side of the opening end of the enclosing plate 11, the front baffle 2, the rear baffle 16 and a plurality of moving bed slats 14 form a movable frame, the movable frame forms a bed tail, a reinforcing rod 33 is fixedly connected in front of the support frame 12, the reinforcing rod 33 is parallel to the rear side of the enclosing plate 11, the reinforcing rod 33 is used for reinforcing the strength of two ends of the opening side of the enclosing plate 11, the first mattress 31 is fixed on the moving bed slats 14, a wrapping object is wrapped on the periphery of the enclosing plate 11, and the second mattress 32 is fixedly connected with the wrapping object;

the second mattress 32 is made of a soft material capable of bending deformation;

motor retainers are symmetrically arranged between the support frames 12, motor clamping plates are fixedly connected between the motor retainers, electric push rods 17 are fixed between the motor clamping plates and the enclosing plates 11, the other ends of the electric push rods 17 penetrate through the support frames 12, the front baffle 2 is hollow and provided with a through groove, a limiting block is fixedly arranged in the front baffle 2, and the electric push rods 17 extend through the through groove and are hinged with the limiting block; the motor retainer and the motor clamping plate ensure the installation precision of the motor; the electric push rod 17 is hinged with the limiting block, so that the vibration of the electric push rod 17 in the action process is reduced, and the damage of the electric push rod 17 is reduced;

a plurality of sliding guide rails 18 are fixed in the supporting frame 12, the sliding guide rails 18 are perpendicular to the opening side of the enclosing plate 11, a sliding groove is formed in one side, close to the moving bed slat 14, of the sliding guide rails 18, a sliding part 19 is fixed on the moving bed slat 14, the sliding part 19 comprises a mounting plate fixed on the moving bed slat 14 and a sliding wheel hinged on the mounting plate, the sliding wheel is located in the sliding groove, and the sliding part 19 is used for reducing noise during action and improving action efficiency;

one side of the coaming 11, which is in contact with the ground, is fixedly connected with a plurality of foot plates, and the foot plates are used for reducing friction between the coaming and the ground.

In another embodiment, the sliding member 19 may also be a slider or a linear bearing.

The action process is as follows:

when the mattress is unfolded, the electric push rod 17 is started, the electric push rod 17 pushes the front baffle plate 2 to move, the front baffle plate 2 drives the moving bed laths 14 to move, the moving bed laths 14 drives the rear baffle plate 16 to move, the moving bed laths 14 are partially separated from the fixed bed laths 13, the moving bed laths 14 drive the first mattress 31 to move, the first mattress 31 drives the second mattress 32 to move, the second mattress 32 moves and unfolds, and after the second mattress 32 is unfolded completely, the electric push rod 17 stops;

during rolling, the electric push rod 17 is started, the electric push rod 17 pushes the front baffle 2 to reset, the front baffle 2 drives the moving bed lath 14 to reset, the moving bed lath 14 drives the rear baffle 16 to reset, the moving bed lath 14 drives the first mattress 31 to reset, the second mattress 32 gradually bulges and is folded, part of the second mattress is attached to the coaming 11, the second mattress 32 resets and rolls, and after the second mattress 32 is completely rolled, the electric push rod 17 stops.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.

Claims (10)

1. A sofa bed is characterized in that: including fixed frame, movable frame, first mattress (31) and second mattress (32), first mattress (31) are close to the tailstock, and second mattress (32) are close to the head of a bed, and first mattress (31) are fixed on movable frame, one side and fixed frame fixed connection that second mattress (32) are close to the head of a bed, one side and first mattress (31) fixed connection of the head of a bed are kept away from in second mattress (32), second mattress (32) are made by the software material that can warp, and movable frame and fixed frame are followed head and the tail direction sliding connection of bed and can be drawn in or pull out: when the movable frame is pulled out from the fixed frame to form a bed state, the movable frame forms a bed tail part, the fixed frame forms a bed head part, and a second mattress (32) is unfolded and laid on the fixed frame; when the movable frame is folded into the fixed frame to form a sofa state, the first mattress (31) forms a sofa cushion, and the second mattress (32) is curled to form a sofa cushion.

2. The sofa sleeper of claim 1, wherein: the fixed frame comprises a coaming (11), a support frame (12) and a plurality of fixed bed slats (13), the support frame (12) is a rectangular frame, one side of the coaming (11) is provided with an opening, the coaming (11) is fixed on three sides of the support frame (12) in a surrounding manner, and the plurality of fixed bed slats (13) are laid along the head-tail direction of the bed and are fixed on the support frame (12); the movable frame comprises a front baffle (2), a rear baffle (16) and a plurality of moving bed slats (14), the plurality of moving bed slats (14) are laid along the head-to-tail direction of the bed, one ends, close to the tail, of the plurality of moving bed slats (14) are fixedly connected with the front baffle (2), and one ends, far away from the tail, of the plurality of moving bed slats (14) are fixedly connected with the rear baffle (16); wherein the moving bed laths (14) and the fixed bed laths (13) are arranged at intervals at the left and right and have close height, and the rear baffle (16) is positioned below the moving bed laths (14) and the fixed bed laths (13).

3. The sofa sleeper of claim 2, wherein: support frame (12) internal fixation has many sliding guide (18), sliding fit has a plurality of sliding part (19) on sliding guide (18), sliding part (19) with movable frame fixed connection, thereby movable frame passes through sliding guide (18) and fixed frame sliding connection.

4. A sofa sleeper according to claim 3, wherein: the sliding part (19) is fixedly connected with the moving bed slat (14) and/or the rear baffle (16).

5. A sofa sleeper according to claim 3, wherein: the sliding part (19) is a sliding block, a roller or a linear bearing.

6. The sofa sleeper of claim 1, wherein: an electric push rod (17) is installed in the fixed frame, one end of the electric push rod (17) is connected with the fixed frame, and the other end of the electric push rod (17) is connected with the movable frame.

7. The sofa sleeper of claim 6, wherein: one end of the electric push rod (17) is movably connected with the support frame (12) in the fixed frame, and the other end of the electric push rod (17) is movably connected with the front baffle (2) in the movable frame.

8. The sofa sleeper of claim 2, wherein: a plurality of reinforcing rods (33) are fixed in the support frame (12), and the reinforcing rods (33) are fixedly connected with the left side and the right side of the bottom of the support frame (12).

9. The sofa sleeper of claim 2, wherein: both sides of the opening end of the enclosing plate (11) are respectively hinged with a handrail plate (3).

10. The sofa sleeper of claim 2, wherein: the enclosing plate (11) is wrapped by a wrapper, and the second mattress (32) is fixedly connected with the wrapper so as to be fixedly connected with the fixed framework.

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