Sofa frame

Abstract

The utility model provides a sofa frame, relates to the technical field of furniture, and solves the technical problems in the prior art that a bed occupies a large area and occupies a relatively large living space. The device comprises a backrest framework and a movable framework, the movable framework is located below the backrest framework, the backrest framework is installed in a sofa body, a lying plate is installed on the movable framework, and the movable framework is in sliding connection with an opening space of the sofa body; when the movable framework is positioned in the open space, the sofa frame is in a sofa use state; when the movable framework is positioned outside the open space, the sofa frame is in a bed use state.

Description

TECHNICAL FIELD

[0001] The utility model relates to furniture technical field, especially a sofa frame. BACKGROUND

[0002] In modern living environment, storage and comfort are emphasized. In some densely populated cities, storage and arrangement are not limited to daily utensils. Moreover, some living environments are not very spacious, so the living area is very compact. Therefore, people usually arrange their living environment better in limited space. Bed is one of the essential household appliances in home life. However, the floor area of the bed is usually large, which occupies a considerable living space. SUMMARY

[0003] The utility model discloses a sofa frame, to solve the technical problem of the floor area of the bed in prior art, which occupies a larger living space. The preferred technical solutions in the many technical solutions provided by the utility model can produce many technical effects, which are described below.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] The utility model provides a sofa frame, including backrest framework and mobile framework, wherein, the mobile framework is located below the backrest framework, the backrest framework is installed in sofa body, the mobile bone is installed with the lying plate, the mobile framework is connected with the opening space of sofa body and is slid.

[0006] When the mobile framework is located in the opening space, the sofa frame is in sofa use state, when the mobile framework is located outside the opening space, the sofa frame is in bed use state.

[0007] Optionally, the backrest framework includes backrest part, flat sitting part and connecting part, the backrest part is connected with the flat sitting part through the connecting part, and the rotation angle range between the backrest part and the flat sitting part is 0-180°.

[0008] Optionally, the connecting part includes first connecting piece, second connecting piece and adjusting piece, the first connecting piece is connected with the backrest part, the second connecting piece is connected with the flat sitting part, and the first connecting piece and the second connecting piece are connected through the adjusting piece.

[0009] Optionally, the adjusting member comprises a clamping member, a fixing member, a spring member, an adjusting frame and a pin shaft, the ends of the first connecting member and the second connecting member are rotationally connected by the pin shaft, the clamping member is connected with the first connecting member, the fixing member is connected with the second connecting member, one end of the adjusting frame is rotationally connected with the fixing member, the adjusting frame can be clamped with the clamping member, one end of the spring member is connected with the second connecting member, and the other end of the spring member is connected with one end of the adjusting frame.

[0010] Optionally, the clamping member comprises a first Z-shaped plate and a fixing shaft, one end of the first Z-shaped plate is connected with the first connecting member, the other end of the first Z-shaped plate is connected with the first connecting member through the fixing shaft, and the adjusting frame extends between the first Z-shaped plate and the fixing shaft and can be clamped with the fixing shaft.

[0011] The fixing member comprises a second Z-shaped plate and a rotating shaft, one end of the second Z-shaped plate is connected with the second connecting member, the other end of the second Z-shaped plate is connected with the second connecting member through the rotating shaft, and one end of the adjusting frame is rotationally connected with the rotating shaft.

[0012] Optionally, a plurality of clamping grooves are arranged on the adjusting frame and can be clamped with the fixing shaft.

[0013] The inside of the adjusting frame is provided with a plurality of movable teeth.

[0014] Optionally, the side end of the flat seat is provided with a handrail mounting member.

[0015] Optionally, the moving framework comprises a base frame, a front frame, a connecting rod mechanism, a roller assembly and a pulley assembly, the front end of the base frame is connected with the front frame and the base frame and the front frame are vertically arranged, the lower end of the connecting rod mechanism is connected with the base frame, the upper end of the connecting rod mechanism is connected with the lying plate, the roller assembly is connected with the lower end of the base frame, and the pulley assembly is connected with the side wall of the base frame.

[0016] The number of the connecting rod mechanism and the pulley assembly is at least two, and the number of the roller assembly is at least four.

[0017] Optionally, the front frame is a rectangular frame structure and is internally provided with a support rod, the length of the front frame is greater than the length of the base frame, or the length of the front frame is consistent with the length of the base frame.

[0018] Or the front frame comprises at least three connecting strips.

[0019] Optionally, the linkage mechanism comprises a first fixed linkage, a second fixed linkage, a first rotating linkage, a second rotating linkage, a third rotating linkage and a fourth rotating linkage, the first fixed linkage is connected with the base frame, the second fixed linkage is connected with the lying board, the front ends of the first fixed linkage and the second fixed linkage are respectively rotatably connected with the two ends of the first rotating linkage, the rear end of the second fixed linkage is rotatably connected with one end of the second rotating linkage, the rear end of the first fixed linkage is rotatably connected with one end of the third rotating linkage, the rear end of the first fixed linkage is rotatably connected with one end of the fourth rotating linkage, and the fourth rotating linkage is closer to the first rotating linkage than the third rotating linkage, and the other end of the second rotating linkage, the other end of the third rotating linkage and the other end of the fourth rotating linkage are rotatably connected.

[0020] The sofa frame provided by the utility model can be used as a sofa when the movable framework is moved into the open space of the sofa body, and the land occupation area can be reduced; the sofa frame can be used as a bed when the movable framework is moved out of the open space of the sofa body, and the land occupation area and the occupied living space are changed by converting between the sofa and the bed, and the user can use conveniently, and the technical problem of a large land occupation area and a large occupied living space of a bed in the prior art is solved. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0022] Figure 1 It is a folding schematic view of the backrest framework of the sofa frame provided by the utility model embodiment;

[0023] Figure 2 It is a folding schematic view of the backrest framework of the sofa frame provided by the utility model embodiment;

[0024] Figure 3 It is a structure schematic view of the connecting part of the sofa frame provided by the utility model embodiment;

[0025] Figure 4 It is a top view of the movable framework of the sofa frame provided by the utility model embodiment one;

[0026] Figure 5is a back view of the mobile framework of the sofa frame of the embodiment one of the utility model;

[0027] Figure 6 is a top view of the mobile framework of the sofa frame of the embodiment two of the utility model;

[0028] Figure 7 is a back view of the mobile framework of the sofa frame of the embodiment two of the utility model;

[0029] Figure 8 is a top view of the mobile framework of the sofa frame of the embodiment three of the utility model;

[0030] Figure 9 is a back view of the mobile framework of the sofa frame of the embodiment three of the utility model;

[0031] Figure 10 is a structure schematic view of the connecting rod mechanism of the sofa frame of the utility model.

[0032] 1, backrest part in the drawing;

[0033] 2, flat seat part;21, armrest mounting;

[0034] 3, connecting part;31, first connecting piece;32, second connecting piece;33, adjusting piece;331, clamping piece;3311, first Z-shaped plate;3312, fixed shaft;332, fixed piece;3321, second Z-shaped plate;3322, rotating shaft;333, spring piece;334, adjusting frame;3341, clamping groove;3342, movable tooth;335, pin shaft;

[0035] 4, base frame;

[0036] 5, front frame;

[0037] 6, connecting rod mechanism;61, first fixed connecting rod;62, second fixed connecting rod;63, first rotating connecting rod;64, second rotating connecting rod;65, third rotating connecting rod;66, fourth rotating connecting rod;

[0038] 7, roller assembly;

[0039] 8, pulley assembly. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope protected by the utility model.

[0041] In the description of the utility model, it needs to be explained that, unless otherwise stated, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0042] In the description of the utility model, it also needs to be explained that, unless otherwise stated and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0043] The utility model provides a sofa frame, including backrest framework and mobile skeleton, wherein, mobile skeleton is located below backrest framework, backrest framework is installed in sofa body, and the lying plate is installed on the mobile bone, and the mobile skeleton is slidably connected with the opening space of the sofa body, the backrest framework and the mobile skeleton adopt iron material, increase the strength of sofa frame;

[0044] When the mobile skeleton is located in the opening space, the sofa frame is in the sofa use state;When the mobile skeleton is located outside the opening space, the sofa frame is in the bed use state. The sofa frame provided by the utility model is in the sofa use state when the mobile skeleton is moved into the opening space of the sofa body, which can be used as a sofa, thereby reducing the floor area;When the mobile skeleton is moved outside the opening space of the sofa body, the sofa frame is in the bed use state, which can be used as a bed, by converting between the sofa and the bed, thereby changing the floor area and the occupied living space, facilitating the use of the user, solving the technical problems of large floor area of the bed and large occupied living space in the prior art.

[0045] As an optional implementation, the backrest framework comprises a backrest part 1, a flat sitting part 2 and a connecting part 3, the backrest part 1 is rotationally connected with the flat sitting part 2 through the connecting part 3, the number of the connecting part 3 is two, the backrest part 1 and the flat sitting part 2 are both long strip-shaped frames and both are provided with a support rod, and the rotation angle between the backrest part 1 and the flat sitting part 2 ranges from 0 to 180 degrees. When the rotation angle between the backrest part 1 and the flat sitting part 2 is 0, the backrest part 1 and the flat sitting part 2 are stacked together, so that the packaging during transportation is facilitated, and the packaging space and cost are saved. When the rotation angle between the backrest part 1 and the flat sitting part 2 is 180 degrees, the backrest part 1 and the flat sitting part 2 are both unfolded to be arranged in parallel, so that the use length of the bed is increased.

[0046] As an optional implementation, the connecting part 3 comprises a first connecting piece 31, a second connecting piece 32 and an adjusting piece 33, the first connecting piece 31 is connected with the backrest part 1, the first connecting piece 31 is connected with the lower end of the backrest part 1 through a bolt, the second connecting piece 32 is connected with the flat sitting part 2, the second connecting piece 32 is connected with the rear end of the flat sitting part 2 through a bolt, and the first connecting piece 31 and the second connecting piece 32 are rotationally connected through the adjusting piece 33.

[0047] As an optional implementation, the adjusting piece 33 comprises a clamping piece 331, a fixing piece 332, a spring piece 333, an adjusting frame 334 and a pin shaft 335, the ends of the first connecting piece 31 and the second connecting piece 32 are rotationally connected through the pin shaft 335, the clamping piece 331 is connected with the first connecting piece 31, the fixing piece 332 is connected with the second connecting piece 32, one end of the adjusting frame 334 is rotationally connected with the fixing piece 332, the adjusting frame 334 can be clamped and connected with the clamping piece 331, one end of the spring piece 333 is connected with the second connecting piece 32, the other end of the spring piece 333 is connected with one end of the adjusting frame 334, and the spring piece 333 provides elastic force to the adjusting frame 334. By rotating the backrest part 1, the clamping piece 331 and the fixing piece 332 are rotated towards or away from each other, so that the adjusting frame 334 moves relative to the clamping piece 331, and the clamping piece 331 and the adjusting frame 334 are clamped at different positions, so that the backrest part 1 and the flat sitting part 2 are fixed at different angles.

[0048] As an optional implementation, the clamping piece 331 comprises a first Z-shaped plate 3311 and a fixing shaft 3312, one end of the first Z-shaped plate 3311 is connected with the first connecting piece 31, the other end of the first Z-shaped plate 3311 is connected with the first connecting piece 31 through the fixing shaft 3312, the adjusting frame 334 extends between the first Z-shaped plate 3311 and the fixing shaft 3312 and can be clamped and connected with the fixing shaft 3312;

[0049] The fixing member 332 comprises a second Z-shaped plate 3321 and a rotating shaft 3322, one end of the second Z-shaped plate 3321 is connected with the second connecting member 32, the other end of the second Z-shaped plate 3321 is connected with the second connecting member 32 through the rotating shaft 3322, and one end of the adjusting frame 334 is rotationally connected with the rotating shaft 3322.

[0050] As an optional implementation, a plurality of clamping grooves 3341 are arranged on the adjusting frame 334, the clamping grooves 3341 can be clamped and connected with the fixing shaft 3312, the fixing shaft 3312 is connected with different positions of the clamping grooves 3341, so that the rotating angle between the backrest part 1 and the flat sitting part 2 can be changed.

[0051] The inside of the adjusting frame 334 is provided with a plurality of movable teeth 3342, and the movable teeth 3342 and the clamping grooves 3341 are used to facilitate the forward or backward movement of the adjusting frame 334.

[0052] As an optional implementation, the side end of the flat sitting part 2 is provided with an armrest mounting member 21, and the armrest mounting member 21 is used to mount the armrest of the sofa body.

[0053] As an optional implementation, the moving framework comprises a base frame 4, a front frame 5, a connecting rod mechanism 6, a roller assembly 7 and a pulley assembly 8, the front end of the base frame 4 is connected with the front frame 5, the base frame 4 and the front frame 5 are arranged vertically, the front frame 5 is connected with the front plate of the sofa body, the lower end of the connecting rod mechanism 6 is connected with the base frame 4, the upper end of the connecting rod mechanism 6 is connected with the lying plate, the connecting rod mechanism 6 is used to realize the lifting function of the lying plate, the roller assembly 7 is connected with the lower end of the base frame 4, the roller assembly 7 is in contact with the ground, and is used to facilitate the sliding movement of the moving framework, and the pulley assembly 8 is connected with the side wall of the base frame 4, and the pulley assembly 8 is slidingly connected with the side wall of the opening space.

[0054] The number of the connecting rod mechanism 6 and the pulley assembly 8 is at least two, and the number of the roller assembly 7 is at least four, and preferably the left, middle and right three sections of the base frame 4 can be provided with the connecting rod mechanism 6 and the roller assembly 7.

[0055] As an optional implementation, the front frame 5 is a rectangular frame structure and is internally provided with a support rod, the length of the front frame 5 is greater than the length of the base frame 4, or the length of the front frame 5 is consistent with the length of the base frame 4.

[0056] Or the front frame 5 comprises at least three connecting strips, and the connecting strips are welded or bolted with the base frame 4.

[0057] As an optional implementation, the linkage mechanism 6 comprises a first fixed linkage 61, a second fixed linkage 62, a first rotating linkage 63, a second rotating linkage 64, a third rotating linkage 65 and a fourth rotating linkage 66, the first fixed linkage 61 is connected with the base frame 4, the second fixed linkage 62 is connected with the lying plate, the front ends of the first fixed linkage 61 and the second fixed linkage 62 are respectively rotatably connected with the two ends of the first rotating linkage 63, the rear end of the second fixed linkage 62 is rotatably connected with one end of the second rotating linkage 64, the rear end of the first fixed linkage 61 is rotatably connected with one end of the third rotating linkage 65, the rear end of the first fixed linkage 61 is rotatably connected with one end of the fourth rotating linkage 66, and the fourth rotating linkage 66 is closer to the first rotating linkage 63 than the third rotating linkage 65, and the other end of the second rotating linkage 64, the other end of the third rotating linkage 65 and the other end of the fourth rotating linkage 66 are rotatably connected.

[0058] The above merely describes the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered by the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A sofa frame, characterized in that, It comprises a backrest framework and a moving framework, wherein, The moving framework is located below the backrest framework, the backrest framework is installed in the sofa body, the moving framework is slidably connected with the opening space of the sofa body, and the lying board is installed on the moving framework; When the moving framework is located in the opening space, the sofa frame is in a sofa use state; when the moving framework is located outside the opening space, the sofa frame is in a bed use state; The backrest framework comprises a backrest part (1), a flat sitting part (2) and a connecting part (3), the backrest part (1) and the flat sitting part (2) are rotatably connected through the connecting part (3), and the rotation angle between the backrest part (1) and the flat sitting part (2) ranges from 0 to 180 degrees. The moving framework comprises a base frame (4), a front frame (5), a connecting rod mechanism (6), a roller assembly (7) and a pulley assembly (8), the front end of the base frame (4) is connected with the front frame (5), the base frame (4) and the front frame (5) are vertically arranged, the lower end of the connecting rod mechanism (6) is connected with the base frame (4), the upper end of the connecting rod mechanism (6) is connected with the lying board, the roller assembly (7) is connected with the lower end of the base frame (4), and the pulley assembly (8) is connected with the side wall of the base frame (4). The number of the connecting rod mechanism (6) and the pulley assembly (8) is at least two, and the number of the roller assembly (7) is at least four.

2. The sofa frame of claim 1, wherein The connecting part (3) comprises a first connecting piece (31), a second connecting piece (32) and an adjusting piece (33), the first connecting piece (31) is connected with the backrest part (1), the second connecting piece (32) is connected with the flat sitting part (2), and the first connecting piece (31) and the second connecting piece (32) are rotatably connected through the adjusting piece (33).

3. A sofa frame according to claim 2, wherein, The adjusting piece (33) comprises a clamping piece (331), a fixing piece (332), a spring piece (333), an adjusting frame (334) and a pin shaft (335), the ends of the first connecting piece (31) and the second connecting piece (32) are rotatably connected through the pin shaft (335), the clamping piece (331) is connected with the first connecting piece (31), the fixing piece (332) is connected with the second connecting piece (32), one end of the adjusting frame (334) is rotatably connected with the fixing piece (332), the adjusting frame (334) can be clamped and connected with the clamping piece (331), one end of the spring piece (333) is connected with the second connecting piece (32), and the other end of the spring piece (333) is connected with one end of the adjusting frame (334).

4. The sofa frame of claim 3, wherein, The clamping piece (331) comprises a first Z-shaped plate (3311) and a fixing shaft (3312), one end of the first Z-shaped plate (3311) is connected with the first connecting piece (31), the other end of the first Z-shaped plate (3311) is connected with the first connecting piece (31) through the fixing shaft (3312), the adjusting frame (334) extends into the first Z-shaped plate (3311) and the fixing shaft (3312), and the adjusting frame (334) can be clamped and connected with the fixing shaft (3312). The fixing piece (332) comprises a second Z-shaped plate (3321) and a rotating shaft (3322), one end of the second Z-shaped plate (3321) is connected with the second connecting piece (32), the other end of the second Z-shaped plate (3321) is connected with the second connecting piece (32) through the rotating shaft (3322), and one end of the adjusting frame (334) is rotationally connected with the rotating shaft (3322).

5. A sofa frame according to claim 4, wherein, A plurality of clamping grooves (3341) are arranged on the adjusting frame (334), and the clamping grooves (3341) can be clamped and connected with the fixing shaft (3312). A plurality of movable teeth (3342) are arranged in the adjusting frame (334).

6. The sofa frame of claim 1, wherein, The side end of the flat seat part (2) is provided with an armrest mounting piece (21).

7. The sofa frame of claim 1, wherein The front frame (5) is a rectangular frame structure and is internally provided with a supporting rod, the length of the front frame (5) is greater than the length of the base frame (4), or the length of the front frame (5) is consistent with the length of the base frame (4). Or the front frame (5) comprises at least three connecting strips.

8. The sofa frame of claim 1, wherein, The connecting rod mechanism (6) comprises a first fixed connecting rod (61), a second fixed connecting rod (62), a first rotating connecting rod (63), a second rotating connecting rod (64), a third rotating connecting rod (65) and a fourth rotating connecting rod (66), the first fixed connecting rod (61) is connected with the base frame (4), the second fixed connecting rod (62) is connected with the lying plate, the front ends of the first fixed connecting rod (61) and the second fixed connecting rod (62) are rotationally connected with the two ends of the first rotating connecting rod (63), the rear end of the second fixed connecting rod (62) is rotationally connected with one end of the second rotating connecting rod (64), the rear end of the first fixed connecting rod (61) is rotationally connected with one end of the third rotating connecting rod (65), the rear end of the first fixed connecting rod (61) is rotationally connected with one end of the fourth rotating connecting rod (66), the fourth rotating connecting rod (66) is closer to the first rotating connecting rod (63) than the third rotating connecting rod (65), and the other end of the second rotating connecting rod (64), the other end of the third rotating connecting rod (65) and the other end of the fourth rotating connecting rod (66) are rotationally connected.

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