An electric sofa bed

Abstract

This utility model discloses an electric sofa bed, comprising: an upper frame assembly, a wooden board assembly, a back frame support assembly, a leg frame support assembly, a backrest support assembly, and a second motor; the wooden board assembly is disposed on the upper frame assembly, and the back frame support assembly and the leg frame support assembly are correspondingly disposed within the upper frame assembly, acting at corresponding positions on the wooden board assembly; the backrest support assembly is disposed on the back of the wooden board assembly; the backrest support assembly includes: a pair of first back frame support connecting tubes, a pair of roller mounting rods, and a backrest support tube; the backrest support tube is rotatably disposed within the upper frame assembly, the pair of first back frame support connecting tubes are disposed at both ends of the backrest support tube, a roller mounting rod is provided at the top of each first back frame support connecting tube, and a rotating roller is provided at both ends of each roller mounting rod, the rotating roller contacting the back of the wooden board assembly; the second motor drives the backrest support tube.

Description

Technical Field

[0001] This utility model belongs to the field of sofa bed technology, and in particular relates to an electric sofa bed. Background Technology

[0002] Existing electric sofa beds do not have a backrest angle adjustment function, and even if they do, the adjustable angle range is small and the structure is complex. Utility Model Content

[0003] Purpose of the utility model: To solve the problems mentioned in the background art, this utility model proposes an electric sofa bed.

[0004] The technical solution adopted by this utility model is: an electric sofa bed, comprising: an upper frame assembly, a wooden board assembly, a back frame support assembly, a leg frame support assembly, a backrest support assembly, a first motor, a second motor, and a third motor;

[0005] The wooden board assembly is mounted on the upper frame assembly, and the back frame support assembly and leg frame support assembly are respectively mounted inside the upper frame assembly, acting at the corresponding positions of the wooden board assembly. The backrest support assembly is mounted on the back of the wooden board assembly.

[0006] The upper frame assembly is a rectangular structure formed by four square tubes. Inside the rectangular structure, a first middle horizontal tube and a second middle horizontal tube are arranged in parallel. A head side tube is symmetrically arranged between the first middle horizontal tube and the front horizontal tube of the rectangular structure, and a tail side tube is symmetrically arranged between the second middle horizontal tube and the rear horizontal tube of the rectangular mechanism.

[0007] The backrest support assembly includes: a pair of first back frame support connecting tubes, a pair of roller mounting rods, and a backrest support tube; the backrest support tube is rotatably disposed between the first middle horizontal tube and the second middle horizontal tube, the pair of first back frame support connecting tubes are disposed at both ends of the backrest support tube, a roller mounting rod is provided at the top of each first back frame support connecting tube, and a rotating roller is provided at both ends of each roller mounting rod, the rotating roller contacting the back of the wooden board assembly; the fixed end of the second motor is disposed on the upper frame assembly, and its actuating end drives the backrest support tube;

[0008] The back frame support assembly includes: a second back frame support connecting tube, a pair of first connecting rods and a pair of first pulleys; for any one of the first connecting rods, one end of the first connecting rod is rotatably connected to a side tube, and the other end of the first connecting rod is provided with a first pulley, and the second back frame support connecting tube is fixed between the pair of first connecting rods;

[0009] The fixed end of the first motor is set on the front horizontal tube of the rectangular structure, and its actuating end is connected to the second back frame support connecting tube.

[0010] The third motor is installed inside the leg frame support assembly.

[0011] Furthermore, the wooden board assembly includes: a first backrest board, a second backrest board, a first hipboard, a second hipboard, a first legboard, a second legboard, a first footboard, and a second footboard;

[0012] The first and second backrest boards are hinged together to form an angle between them. Similarly, the first and second hiprest boards are hinged together to form an angle between them. The first and second legrest boards are hinged together, as are the first and second footrest boards. Furthermore, the first backrest board, first hiprest board, first legrest board, and first footrest board are sequentially hinged together, as are the second backrest board, second hiprest board, second legrest board, and second footrest board.

[0013] Furthermore, the backrest support assembly can be replaced with the following structure:

[0014] Includes: rollover support pipes, paired rollover support connecting pipes, and rollover support round pipes;

[0015] The side-tilting support tube contacts the back of the wooden board assembly. The upper end of the pair of side-tilting support connecting tubes is fixed on the side-tilting support tube, and the lower end is fixed on the side-tilting support round tube. The pair of side-tilting support connecting tubes are fixedly installed on the back of the first buttock bed board. The fixed end of the second motor is installed on the upper frame assembly, and its actuating end drives the side-tilting support round tube.

[0016] Furthermore, the leg frame support assembly includes: a third back frame support connecting tube, a pair of second connecting rods, a pair of second pulleys, a pair of foot support rods, and a foot fixing frame; for any one of the second connecting rods, one end of the second connecting rod is rotatably connected to a tail side tube, and a second pulley is provided on the other end of the second connecting rod, and the third back frame support connecting tube is fixed between the pair of second connecting rods.

[0017] Both ends of the foot fixing frame are rotatably connected to the corresponding foot support rods, and a part of the foot fixing frame is located below the first foot bed board, and one end of the foot support rod is located behind the second pulley;

[0018] The fixed end of the third motor is set on the rear horizontal tube of the upper frame assembly, and its actuating end is connected to the third back frame support connecting tube.

[0019] Beneficial effects: Compared with the prior art, the electric sofa bed proposed in this utility model can realize the functions of an electric bed with adjustable back and leg angles, and can also be used as a sofa by flipping up one side of the bed. Attached Figure Description

[0020] To more clearly illustrate the technical methods in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the rear structure of an electric sofa bed proposed in this utility model;

[0022] Figure 2 This is a schematic diagram of the rear structure of an electric sofa bed proposed in this utility model;

[0023] Figure 3 This is a schematic diagram of the rear structure of an electric sofa bed proposed in this utility model;

[0024] Figure 4 This is a front structural diagram of an electric sofa bed proposed in this utility model;

[0025] Figure 5 This is a schematic diagram of the backrest support assembly proposed in this utility model;

[0026] Figure 6 This is a schematic diagram of the back frame support assembly proposed in this utility model;

[0027] Figure 7 A schematic diagram of the electric sofa bed after the wooden panel components have been removed;

[0028] Figure 8 A schematic diagram of the electric sofa bed after the wooden panel components have been removed;

[0029] Figure 9 A top view of the electric sofa bed after removing the wooden panel assembly and backrest support assembly;

[0030] Figure 10 A structural diagram of an electric sofa bed with the wooden panel assembly and backrest support assembly removed;

[0031] Figure 11 A structural diagram of an electric sofa bed with the wooden panel assembly and backrest support assembly removed;

[0032] Figure 12 This is a schematic diagram of the back frame support assembly proposed in this utility model;

[0033] Figure 13 This is a schematic diagram of the leg frame support assembly proposed in this utility model;

[0034] Figure 14 This is a schematic diagram of the wooden board assembly structure proposed in this utility model;

[0035] Figure 15 This is a schematic diagram of the upper frame component structure proposed in this utility model. Detailed Implementation

[0036] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0037] Example 1:

[0038] This embodiment proposes an electric sofa bed, such as Figures 1 to 3 As shown, it mainly includes: upper frame assembly 1, wooden board assembly 2, back frame support assembly 3, leg frame support assembly 4, backrest support assembly 5, first motor 6, second motor 7, and third motor 8.

[0039] In this embodiment, the upper frame component 1 is a rectangular structure enclosed by four squares, such as... Figure 15 As shown, inside the rectangular structure, a first middle horizontal tube 9 and a second middle horizontal tube 10 are arranged in parallel. A head side tube 11 is symmetrically arranged between the first middle horizontal tube 9 and the front horizontal tube of the rectangular structure, and a tail side tube 12 is symmetrically arranged between the second middle horizontal tube 10 and the rear horizontal tube of the rectangular structure.

[0040] In this embodiment, as Figure 14 and Figure 4 As shown, the wooden board assembly 2 includes: a first backrest board 13, a second backrest board 14, a first hipboard 15, a second hipboard 16, a first legboard 17, a second legboard 18, a first footboard 19, and a second footboard 20.

[0041] The first backrest board 13 and the second backrest board 14 are hinged together, forming an angle between them. Similarly, the first hiprest board 15 and the second hiprest board 16 are hinged together, also forming an angle between them. Likewise, the first legrest board 17 and the second legrest board 18 are hinged together, as are the first footrest board 17 and the second footrest board 18. Simultaneously, the first backrest board 13, the first hiprest board 15, the first legrest board 17, and the first footrest board 19 are sequentially hinged together, as are the second backrest board 14, the second hiprest board 16, the second legrest board 18, and the second footrest board 20.

[0042] In this embodiment, as Figure 5 , Figure 7 , Figure 8As shown, the backrest support assembly 5 includes: a pair of first back frame support connecting tubes 21, a pair of roller mounting rods 22, and a backrest support tube 23. The backrest support tube 23 is rotatably disposed between the first middle horizontal tube 9 and the second middle horizontal tube 10. The pair of first back frame support connecting tubes 21 are disposed at both ends of the backrest support tube 23. A roller mounting rod 22 is provided at the top of each first back frame support connecting tube 21, and a rotating roller 24 is provided at both ends of each roller mounting rod 22. The rotating roller 24 contacts the second buttock bed board 16. The fixed end of the second motor 7 is disposed on the upper frame assembly 1, and its actuating end drives the backrest support tube 23. By driving the backrest support assembly 5 through the second motor 7, the bed can be converted into a sofa, or the sofa into a bed.

[0043] In this embodiment, as Figure 6 , Figure 9 , Figure 10 , Figure 11 , Figure 12 As shown, the back frame support assembly 3 includes: a second back frame support connecting tube 25, a pair of first connecting rods 26, and a pair of first pulleys 27. For any one of the first connecting rods 26, one end of the first connecting rod 26 is rotatably connected to a side tube 11, and the other end of the first connecting rod 26 is provided with a first pulley 27. The second back frame support connecting tube 25 is fixed between the pair of first connecting rods 26, specifically positioned near one end of the first connecting rod 26. The fixed end of the first motor 6 is set on the front horizontal tube of the upper frame assembly 1, and its actuating end is connected to the second back frame support connecting tube 25. When the sofa is converted into a bed, the backrest angle can be adjusted through the back frame support assembly 3 to improve user comfort.

[0044] In this embodiment, as Figure 6 , Figure 9 , Figure 10 , Figure 11 and Figure 13 As shown, the leg frame support assembly 4 includes: a third back frame support connecting tube 28, a pair of second connecting rods 29, a pair of second pulleys 30, a pair of foot support rods 31, and a foot fixing bracket 32. For any one of the second connecting rods 29, one end of the second connecting rod 29 is rotatably connected to a tail side tube 12, and a second pulley 30 is provided on the other end of the second connecting rod 29. The third back frame support connecting tube 28 is fixed between the pair of second connecting rods 29, specifically positioned near the second pulley 30.

[0045] For any one foot support rod 31, one end of the foot support rod 31 is rotatably connected to the tail tube 12, and the other end is rotatably connected to one end of the foot fixing frame 32. That is, both ends of the foot fixing frame 32 are rotatably connected to the corresponding foot support rod 31, and a part of the foot fixing frame 32 is located below the first footboard 19. One end of the foot support rod 31 is located behind the second pulley 30. The fixed end of the third motor 8 is set on the rear horizontal tube of the upper frame assembly 1, and its actuating end is connected to the third back frame support connecting tube 28. When the sofa is converted into a bed, the leg angle can be adjusted via the leg frame support assembly 4 to improve user comfort.

[0046] Example 2:

[0047] The only difference between this embodiment and Embodiment 1 is the structure of the backrest support component.

[0048] like Figure 5 , Figure 7 and Figure 8 As shown, in this embodiment, the backrest support assembly includes: a side-folding support tube 33, a pair of side-folding support connecting tubes 34, and a side-folding support round tube 35. The side-folding support tube 33 is fixed to the back of the second hip bed board 16, and extends outward to contact the second back bed board 14, the second leg bed board 18, and the second foot bed board 20. The upper ends of the pair of side-folding support connecting tubes 34 are fixed to the side-folding support tube 33, and the lower ends are fixed to the side-folding support round tube 35. Both the pair of side-folding support connecting tubes 34 and the side-folding support round tube 35 are fixed to the back of the second hip bed board 16.

[0049] The fixed end of the second motor 7 is mounted on the upper frame assembly 1, and its actuating end drives the side-tilting support tube 35. By driving the backrest support assembly through the second motor 7, the bed can be transformed into a sofa, or the sofa into a bed.

[0050] When the backrest support component structure proposed in Embodiment 1 is adopted, it is not necessary to build the mechanical structure disclosed in Embodiment 2. When the backrest support component structure proposed in Embodiment 2 is adopted, it is not necessary to build the mechanical structure disclosed in Embodiment 1. In order to illustrate the two backrest support component structures, the two structures are shown together in the accompanying drawings of this invention. However, in actual use, only one backrest support component structure needs to be selected.

Claims

1. An electric sofa bed, characterized in that: include: Upper frame assembly, wooden board assembly, back frame support assembly, leg frame support assembly, backrest support assembly, first motor, second motor, and third motor; The wooden board assembly is mounted on the upper frame assembly, and the back frame support assembly and leg frame support assembly are respectively mounted inside the upper frame assembly, acting at the corresponding positions of the wooden board assembly. The backrest support assembly is mounted on the back of the wooden board assembly. The upper frame assembly is a rectangular structure formed by four square tubes. Inside the rectangular structure, a first middle horizontal tube and a second middle horizontal tube are arranged in parallel. A head side tube is symmetrically arranged between the first middle horizontal tube and the front horizontal tube of the rectangular structure, and a tail side tube is symmetrically arranged between the second middle horizontal tube and the rear horizontal tube of the rectangular mechanism. The backrest support assembly includes: a pair of first back frame support connecting tubes, a pair of roller mounting rods, and a backrest support tube; the backrest support tube is rotatably disposed between the first middle horizontal tube and the second middle horizontal tube, the pair of first back frame support connecting tubes are disposed at both ends of the backrest support tube, a roller mounting rod is provided at the top of each first back frame support connecting tube, and a rotating roller is provided at both ends of each roller mounting rod, the rotating roller contacting the back of the wooden board assembly; the fixed end of the second motor is disposed on the upper frame assembly, and its actuating end drives the backrest support tube; The back frame support assembly includes: a second back frame support connecting tube, a pair of first connecting rods and a pair of first pulleys; for any one of the first connecting rods, one end of the first connecting rod is rotatably connected to a side tube, and the other end of the first connecting rod is provided with a first pulley, and the second back frame support connecting tube is fixed between the pair of first connecting rods; The fixed end of the first motor is set on the front horizontal tube of the rectangular structure, and its actuating end is connected to the second back frame support connecting tube. The third motor is installed inside the leg frame support assembly.

2. The electric sofa bed according to claim 1, characterized in that: The wooden board assembly includes: a first backrest board, a second backrest board, a first hiprest board, a second hiprest board, a first legrest board, a second legrest board, a first footrest board, and a second footrest board; The first and second backrest boards are hinged together to form an angle between them. Similarly, the first and second hiprest boards are hinged together to form an angle between them. The first and second legrest boards are hinged together, as are the first and second footrest boards. Furthermore, the first backrest board, first hiprest board, first legrest board, and first footrest board are sequentially hinged together, as are the second backrest board, second hiprest board, second legrest board, and second footrest board.

3. An electric sofa bed according to claim 2, characterized in that: The backrest support assembly can be replaced with the following structure: Includes: rollover support pipes, paired rollover support connecting pipes, and rollover support round pipes; The side-tilting support tube contacts the back of the wooden board assembly. The upper end of the pair of side-tilting support connecting tubes is fixed on the side-tilting support tube, and the lower end is fixed on the side-tilting support round tube. The pair of side-tilting support connecting tubes are fixedly installed on the back of the first buttock bed board. The fixed end of the second motor is installed on the upper frame assembly, and its actuating end drives the side-tilting support round tube.

4. An electric sofa bed according to claim 2, characterized in that: The leg frame support assembly includes: a third back frame support connecting tube, a pair of second connecting rods, a pair of second pulleys, a pair of foot support rods, and a foot fixing frame; for any one of the second connecting rods, one end of the second connecting rod is rotatably connected to a tail side tube, and a second pulley is provided on the other end of the second connecting rod; the third back frame support connecting tube is fixed between the pair of second connecting rods. Both ends of the foot fixing frame are rotatably connected to the corresponding foot support rods, and a part of the foot fixing frame is located below the first foot bed board, and one end of the foot support rod is located behind the second pulley; The fixed end of the third motor is set on the rear horizontal tube of the upper frame assembly, and its actuating end is connected to the third back frame support connecting tube.

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