Deformable sofa bed
By introducing adjustable components and magnetic connection design into the convertible sofa bed, the problems of non-adjustable backrest angle and single-function armrest have been solved, realizing the functions of adjustable backrest angle and armrest that can be transformed into a pillow, thus improving the user experience.
Patent Information
- Application Number
- CN202520352557.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Existing convertible sofa beds have limited backrest angles, length, and single-function armrests, which restricts their use.
Featuring an adjustable component and magnetic connection design, the angle of the backrest can be adjusted via the adjustable component, and the armrest can be used for multiple functions through magnets and Velcro.
The backrest angle is adjustable, and the armrests can be turned into pillows, expanding the functionality and comfort of the sofa bed.
Smart Images

Figure CN223682228U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to sofa technical field, and specifically relates to a deformable sofa bed. BACKGROUND
[0002] Sofa bed as a kind of expandable function furniture is widely used in ordinary family life, especially in some small household room, and it reflects outstanding value;Sofa bed is folded to function as a seat in general, when it needs to be used as a bed, it is unfolded into the form of bed.
[0003] Chinese patent application No.201410678228.6 discloses a deformable sofa bed, comprising a base, the base is combined by fixed base and movable base, the fixed base is shaped with support frame, the movable base is shaped with support table, the support frame surrounds the side of support table, the support frame and the adjacent surface of support table are connected with slide rail, the slide rail is arranged in parallel along the movement direction of movable base, the left and right sides of base are fixed with armrest, the rear side of base is hingedly connected with backrest, the backrest is double-layered, which is divided into front backrest and rear backrest, the left and right directions width of front backrest and rear backrest are same and are hingedly connected, the upper surface of support table is paved with cushion, the left and right sides of cushion are closely attached with two sides of armrest, the rear side of cushion is closely attached with backrest.The advantages of the present application: the sofa bed is light and compact, the conversion between seat state and bed state is easy, the structure is simple, and it does not need complex operation, the components are relatively light, and the deformation is easy and effortless.
[0004] The sofa bed disclosed in the above has the following problems in use: the backrest cannot be adjusted in angle, and the length of sofa bed is limited, which causes limited use, and the function of armrest is single, which causes limited use. UTILITY MODEL CONTENTS
[0005] To solve the problems in the above background, the utility model provides a deformable sofa bed, which has the characteristics of adjustable backrest and multiple functions of armrest.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: a deformable sofa bed, comprising a sofa frame, a sliding support is arranged in the middle of the sofa frame, a cushion is arranged at the upper end of the sliding support, a support block is connected to the side of the sliding support, a backboard is connected to the side of the sofa frame through a hinge, the backboard and the sofa frame are connected through an adjusting assembly, an installation groove is arranged in the corresponding position of the inside of the sofa frame and the adjusting assembly, a back cushion is arranged at the side of the backboard, the lower end of the back cushion is connected with the cushion through a hinge, a magnet one is arranged on the surface of the backboard, the back cushion and the backboard are connected through the magnetic adsorption of the magnet one, and a back cushion is arranged at the position of the armrest on both sides of the upper end of the sofa frame.
[0007] Preferably, the adjusting assembly comprises a limiting assembly, a spring pin, a pin hole and an adjusting disc, wherein the two sides of the backrest are provided with the adjusting disc, the surface of the adjusting disc is provided with a plurality of pin holes, the middle of the installation groove is provided with the spring pin, and the surface of the sofa frame is provided with the limiting assembly above the spring pin.
[0008] Preferably, the pin head of the spring pin is always inserted into the pin hole under the spring action, and the side edge of the spring pin is flush with the side edge of the sofa frame.
[0009] Preferably, the limiting assembly comprises a mounting seat, a limiting block and a limiting clamping groove, wherein the middle of the mounting seat is slidably connected with the limiting block, and the lower end of the limiting block is provided with the limiting clamping groove.
[0010] Preferably, the side edge of the back cushion is provided with a magic tape, the two back cushions are fixedly connected through the magic tape, and the inner bottom surface of the back cushion is provided with a flexible magnetic sheet.
[0011] Preferably, the upper end of the armrest on the two sides of the sofa frame is provided with a magnet two, and the flexible magnetic sheet is opposite to the magnetism of the magnet two and the magnet one.
[0012] Compared with the prior art, the sofa has the beneficial effects that:
[0013] 1. The adjusting assembly is arranged, the spring pin is pulled to make the pin head of the spring pin separate from the pin hole, the backrest is rotated to a proper angle and then stopped, the spring pin is loosened, the pin head of the spring pin is inserted into the pin hole, the angle of the backrest is adjusted and fixed, the supporting block is pulled to move the cushion, the back cushion is laid flat in the middle of the sofa frame, the backrest is rotated by 90 degrees, the pin head of the spring pin is inserted into the pin hole to fix the position of the backrest, and the sofa is developed to become a bed.
[0014] 2. Two back cushions are taken down, the two back cushions are adsorbed together through the magic tape to form a pillow, the bottom of the back cushion is adsorbed through the flexible magnetic sheet and the magnetism of the magnet one, the back cushion is fixed, and the user can conveniently use the headrest. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic view of the utility model;
[0016] Figure 2 It is an unfolded structural schematic view of the utility model;
[0017] Figure 3 It is a structural schematic view of the adjusting assembly of the utility model;
[0018] Figure 4 It is a structural schematic view of the limiting assembly of the utility model;
[0019] Figure 5 It is a structural schematic view of the back cushion of the utility model;
[0020] In the figure: 1, sofa frame; 2, back cushion; 3, backboard; 4, adjusting assembly; 41, limiting assembly; 411, mounting seat; 412, limiting block; 413, limiting clamping groove; 42, spring pin; 43, pin hole; 44, adjusting disc; 5, armrest cushion; 6, supporting block; 7, seat cushion; 8, sliding support; 9, magnet one; 10, mounting groove; 11, magic tape; 12, magnet two. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0022] Embodiment 1
[0023] Please refer to Figures 1-5 The utility model provides the following technical scheme: a deformable sofa bed, including sofa frame 1, the middle of sofa frame 1 is provided with sliding support 8, the upper end of sliding support 8 is provided with seat cushion 7, the side of sliding support 8 is connected with supporting block 6, the side of sofa frame 1 is connected with backboard 3 through hinge, backboard 3 is rotatably connected with sofa frame 1 through adjusting assembly 4, the inside of sofa frame 1 is provided with mounting groove 10 at the corresponding position of adjusting assembly 4, the side of backboard 3 is provided with back cushion 2, the lower end of back cushion 2 is rotatably connected with seat cushion 7 through hinge, the surface of backboard 3 is provided with magnet one 9, back cushion 2 and backboard 3 are magnetically attached through magnet one 9, the upper end of sofa frame 1 is provided with armrest cushion 5 at both sides.
[0024] Specifically, adjusting assembly 4 includes limiting assembly 41, spring pin 42, pin hole 43 and adjusting disc 44, wherein the two sides of backboard 3 are provided with adjusting disc 44, the surface of adjusting disc 44 is provided with a plurality of pin holes 43, the middle of mounting groove 10 is provided with spring pin 42, and the surface of sofa frame 1 is provided with limiting assembly 41 above spring pin 42.
[0025] By adopting the above technical scheme, pulling spring pin 42 makes the pin head of spring pin 42 disengage from pin hole 43, backboard 3 is rotated to a suitable angle and stops, spring pin 42 is released, and the pin head of spring pin 42 is inserted into pin hole 43, so that the angle of backboard 3 is adjusted and fixed.
[0026] Specifically, the pin head of spring pin 42 is always inserted into pin hole 43 under the action of spring, and the side of spring pin 42 is flush with the side of sofa frame 1.
[0027] By adopting the above technical scheme, the angle of the backrest 3 is fixed, and shaking is avoided.
[0028] Specifically, the limiting assembly 41 comprises a mounting seat 411, a limiting block 412 and a limiting clamping groove 413, wherein the limiting block 412 is slidably connected to the middle of the mounting seat 411, and the limiting clamping groove 413 is arranged at the lower end of the limiting block 412.
[0029] By adopting the above technical scheme, the spring pin 42 is pulled out, the limiting clamping groove 413 at the lower end of the limiting block 412 clamps the pin rod of the spring pin 42, the rotating adjustment of the adjusting disc 44 is facilitated, the limiting block 412 blocks the spring pin 42, and misoperation is avoided, so that the angle adjustment and fixation of the backrest 3 are facilitated.
[0030] In use of the embodiment, the spring pin 42 is pulled out to make the pin head of the spring pin 42 disengage from the pin hole 43, the backrest 3 is rotated to a suitable angle and stopped, the spring pin 42 is released, the pin head of the spring pin 42 is inserted into the pin hole 43, the angle adjustment and fixation of the backrest 3 are achieved, the supporting block 6 is pulled to move the cushion 7, the back cushion 2 is laid flat in the middle of the sofa frame 1, the backrest 3 is rotated by 90 degrees, the pin head of the spring pin 42 is inserted into the pin hole 43 to fix the position of the backrest 3, and the sofa is changed into a bed through unfolding.
[0031] Embodiment 2
[0032] The difference between the embodiment and the embodiment 1 is that the side edge of the back cushion 5 is provided with a magic tape 11, the two back cushions 5 are fixed by being adhered through the magic tape 11, and the inner bottom surface of the back cushion 5 is provided with a flexible magnetic patch.
[0033] By adopting the above technical scheme, the two back cushions 5 are taken off and are adsorbed together through the magic tape 11 to form a pillow, and use is facilitated.
[0034] Specifically, the upper end of the side arm of the sofa frame 1 is provided with a magnet two 12, and the flexible magnetic patch is opposite to the magnetism of the magnet two 12 and the magnet one 9.
[0035] By adopting the above technical scheme, the bottom of the back cushion 5 is adsorbed through the flexible magnetic patch and the magnetism of the magnet one 9, the back cushion 5 is fixed, and use of the headrest by the user is facilitated.
[0036] In use of the embodiment, the two back cushions 5 are taken off and are adsorbed together through the magic tape 11 to form a pillow, the bottom of the back cushion 5 is adsorbed through the flexible magnetic patch and the magnetism of the magnet one 9, the back cushion 5 is fixed, and use of the headrest by the user is facilitated.
[0037] The working principle and use process of the utility model: the utility model uses, the spring pin 42 is made the pin head of the spring pin 42 separate from the pin hole 43, and the backrest 3 is rotated to the appropriate angle and stops, the spring pin 42 is loosened, the pin head of the spring pin 42 is inserted into the pin hole 43, the angle of the backrest 3 is adjusted and fixed, the supporting block 6 is pulled, the cushion 7 is moved, the back cushion 2 is laid in the middle of the sofa frame 1, after the backrest 3 is rotated by ninety degrees, the pin head of the spring pin 42 is inserted into the pin hole 43 to make the backrest 3 fixed, through unfolding, the sofa becomes a bed; two pieces of the supporting cushion 5 are removed, the two pieces of the supporting cushion 5 are adsorbed together through the magic tape 11, form a pillow, the bottom of the supporting cushion 5 is adsorbed magnetically with the magnet one 9 through the flexible magnetic sheet, makes the supporting cushion 5 fixed, the user headrest is convenient to use.
[0038] Although the embodiments of the utility model have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A transformable sofa bed comprising a sofa frame (1), characterized in that: The middle of the sofa frame (1) is provided with a sliding support (8), the upper end of the sliding support (8) is provided with a cushion (7), the side of the sliding support (8) is connected with a supporting block (6), the side of the sofa frame (1) is connected with a backrest (3) through a hinge, the backrest (3) and the sofa frame (1) are rotatably connected through an adjusting assembly (4), the inside of the sofa frame (1) is provided with a mounting groove (10) at the corresponding position of the adjusting assembly (4), the side of the backrest (3) is provided with a back cushion (2), the lower end of the back cushion (2) is rotatably connected with the cushion (7) through a hinge, the surface of the backrest (3) is provided with a magnet (9), the back cushion (2) and the backrest (3) are magnetically attached through the magnet (9), and the upper end of the sofa frame (1) is provided with a supporting cushion (5) at both sides of the armrest.
2. A transformable sofa bed according to claim 1, characterized in that: The adjusting assembly (4) comprises a limiting assembly (41), a spring pin (42), a pin hole (43) and an adjusting disc (44), wherein the two sides of the backrest (3) are provided with the adjusting disc (44), the surface of the adjusting disc (44) is provided with a plurality of pin holes (43), the middle of the mounting groove (10) is provided with the spring pin (42), and the surface of the sofa frame (1) is provided with the limiting assembly (41) above the spring pin (42).
3. A transformable sofa bed according to claim 2, characterized in that: The pin head of the spring pin (42) is always inserted into the pin hole (43) under the action of the spring, and the side of the spring pin (42) is flush with the side of the sofa frame (1).
4. A transformable sofa bed according to claim 2, characterized in that: The limiting assembly (41) comprises a mounting seat (411), a limiting block (412) and a limiting clamping groove (413), wherein the middle of the mounting seat (411) is slidably connected with the limiting block (412), and the lower end of the limiting block (412) is provided with the limiting clamping groove (413).
5. The transformable sofa bed according to claim 1, characterized in that: The side of the supporting cushion (5) is provided with a magic tape (11), the two supporting cushions (5) are fixedly connected through the magic tape (11), and the inside bottom surface of the supporting cushion (5) is provided with a flexible magnetic patch.
6. A transformable sofa bed according to claim 5, characterized in that: The upper end of the armrest of the sofa frame (1) is provided with a magnet (12), and the flexible magnetic patch is opposite to the magnet (12) and the magnet (9) in magnetic property.
Citation Information
Patent Citations
Deformable sofa bed
CN104523065A