Automatic sofa bed convenient for flat lying deformation
Patent Information
- Application Number
- CN202421198665.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-29
AI Technical Summary
When deformed into a bed, there are large gaps and uncomfortable, large space occupies a large degree of automation, and require manual deformation, which makes it difficult to use.
An automatic sofa bed including a support frame, a windable second bed plate and a driving source is designed. Automatic deformation of the sofa and bed is achieved through winding wheels and motor drives, voice control operation is achieved in combination with a voice controller, and a mattress is provided. The guide wheels and support rails are added to the square tube articulation structure to reduce gaps.
It achieves a smooth transition and deformation of the sofa and the bed, reduces space occupation, improves the comfort and automation of use, and can automatically store items such as quilt covers, significantly reduces gaps. Users can freely control the deformation of the sofa and the bed through voice commands.
Smart Images
Figure CN222264856U_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of furniture and home furnishings, and in particular relates to an automatic sofa bed which is convenient for lying flat and deforming. Background Art
[0002] A sofa bed is a piece of furniture that combines the functions of a sofa and a bed. The sofa beds currently sold on the market include pull-out, flip-over, and transformable types. Although these types of sofa beds can take into account the functions of both sofas and beds, most sofa beds are formed by splicing together several parts when they are transformed into beds, with a very large gap in the middle, which makes it very uncomfortable for people to sleep on them; sofa beds are large in size and occupy a large space; and most sofa beds require manual assistance to transform, have a low degree of automation, and are inconvenient to use.
[0003] Therefore, an automatically deformable sofa bed is proposed to reduce space occupation and provide a comfortable use experience. Summary of the invention
[0004] In view of the above problems, the present invention provides an automatic sofa bed that is easy to lie flat and deform, which is used to solve the problem of automatic deformation of the sofa bed, provide storage, reduce space occupation, and improve the user experience.
[0005] To achieve the above object, the technical solution adopted by the present invention is: an automatic sofa bed that is easy to lie flat and deform, comprising a support frame, a backrest is fixedly arranged on one side of the support frame, and a first storage cavity is arranged in the backrest;
[0006] A first bed board is movably arranged on the support frame, a second storage cavity is provided below the first bed board, a second bed board which can be rolled up is hingedly arranged on one side of the first bed board, and one end of the second bed board is fixed on a winding wheel rotatably arranged on the support frame;
[0007] The support frame is provided with a driving source for driving the first bed board to move, and the front side of the support frame is provided with a controller capable of receiving a start-stop driving source signal.
[0008] As a further improvement of the above solution, a mattress is detachably provided on the top surface of the first bed board and the second bed board;
[0009] The second bed board comprises a plurality of mutually hinged square tubes, guide wheels are arranged at the bottom of the square tubes, and support rails for supporting the guide wheels are arranged on the support frame.
[0010] As a further improvement of the above solution, a limiting plate for limiting the movement of the guide wheel is provided at one end of the support rail, and a guide surface for facilitating the guide wheel to roll onto the support rail is provided at the other end.
[0011] As a further improvement of the above solution, a roller is provided at the bottom of the second storage cavity; and guide strips are provided on the front and rear side surfaces of the second storage cavity and are slidably arranged with respect to the support frame.
[0012] As a further improvement of the above solution, the support frame is further provided with a plurality of support wheels for supporting the bottom surface of the first bed board.
[0013] As a further improvement of the above solution, a spring disc is provided at one end of the rotating shaft of the winding wheel.
[0014] Compared with the prior art, the present invention has the following beneficial effects:
[0015] 1. The first storage cavity and the second storage cavity are provided to play the function of storage, and various quilt covers, quilts, etc. can be stored, which can reduce the space occupied by some quilt covers and quilts.
[0016] 2. The second bed board can be rolled up by the winding wheel to store the second bed board, thereby forming a sofa. When the second bed board is unfolded from the winding wheel, the whole bed is formed. Therefore, a smooth transition deformation of the bed and the sofa can be achieved. The second bed board is hinged with square tubes, and mattresses are arranged on the surfaces of the first bed board and the second bed board, which can significantly reduce the gap and improve the comfort of use.
[0017] 3. Through the set controller, it is possible to receive voice signals from people and realize the start and stop of the voice-controlled driving source, so that the automatic transition change control of the sofa and bed can be freely realized. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0019] Figure 2 for Figure 1 A schematic diagram of the local cross-sectional structure in the A direction;
[0020] Figure 3 for Figure 1 A schematic diagram of the local enlarged structure at B in the middle;
[0021] Figure 4 for Figure 1 Schematic diagram of the local enlarged structure at point C in the middle.
[0022] In the figure: 10, support frame; 11, backrest; 111, first storage cavity; 12, first bed board; 121, second storage cavity; 122, roller; 123, guide bar; 13, second bed board; 131, square tube; 132, guide wheel; 14, winding wheel; 15, controller; 16, mattress; 17, support rail; 171, limit plate; 18, support wheel; 19, spring disk. DETAILED DESCRIPTION
[0023] In order to enable those skilled in the art to better understand the technical solution, the present invention is described in detail below in conjunction with embodiments. The description in this section is only exemplary and explanatory and should not have any limiting effect on the scope of protection of the present invention.
[0024] like Figure 1-4 As shown, the specific scheme of this embodiment is: an automatic sofa bed that is easy to lie flat and deform, including a support frame 10, the support frame 10 can be specifically made of wood or stainless steel, a backrest 11 is fixedly arranged on one side of the support frame 10, a first storage cavity 111 is arranged in the backrest 11, and a cover plate is specifically arranged on the backrest 11. After the cover plate is opened, it is convenient to put items such as quilts into the first storage cavity 111;
[0025] A first bed board 12 is movably arranged on the support frame 10. Specifically, the first bed board 12 and the support frame 10 are slidably arranged with each other. When the first bed board 12 moves toward the side of the backrest 11, the extended length becomes less and it is transformed into a sofa. When it moves away from the side of the first bed board 12, the extended length increases and it is transformed into a bed. A second storage cavity 121 is provided below the first bed board 12. The second storage cavity 121 is specifically a large box fixed to the first bed board 12. The box is used to store bedding such as quilts. A second bed board 13 that can be rolled up is hingedly arranged on one side of the first bed board 12. One end of the second bed board 13 is fixed to a winding wheel 14 rotatably arranged on the support frame 10. Therefore, when the winding wheel 14 rotates to roll up the second bed board 13, the second bed board 13 can be stored toward the side of the backrest 11 to achieve the transformation into a sofa. When unfolded, the area increases and it is transformed into a bed.
[0026] The support frame 10 is provided with a driving source for driving the first bed plate 12 to move. Figure 1 , 3As shown, in this embodiment, the driving source is a motor, specifically, a reduction device is connected to the output shaft of the motor, the reduction device can be self-locking, specifically, a self-locking device is also provided on the reduction device, mainly to prevent the rotation of the output shaft after the motor is powered off, the self-locking device can be an electromagnet-driven brake device, and the specific self-locking device is a prior art, when the motor is powered on, the self-locking is disconnected, the output shaft of the reduction device is connected to the driving gear, and a rack that can mesh with the driving gear is provided on the bottom surface of the first bed board 12, so when the motor drives the gear to rotate, it can be driven The rack moves, thereby driving the first bed board 12 to extend or retract. A controller 15 that can receive a start-stop drive source signal is provided on the front side of the support frame 10. Specifically, the controller 15 has a built-in voice control module. When a corresponding command is spoken, for example, the command is spoken: transform into a bed or transform into a sofa, etc., the controller 15 receives the voice signal to control the start and stop, forward and reverse rotation of the drive motor, thereby realizing automatic change control of the sofa and bed. The voice control module and voice control technology are already existing technologies, such as existing voice-controlled lights, etc., so they are not described here.
[0027] As a preferred embodiment of the above embodiment, the top surfaces of the first bed board 12 and the second bed board 13 are detachably provided with a mattress 16;
[0028] The second bed board 13 includes a plurality of square tubes 131 hinged to each other. Specifically, the hinged positions between the square tubes 131 are located on the lower sides thereof, thereby ensuring that the sides of the square tubes 131 are in contact with each other when they are unfolded. A guide wheel 132 is provided at the bottom of the square tube 131, and a support rail 17 for supporting the guide wheel 132 is provided on the support frame 10. When the square tube 131 is unfolded, the guide wheel 132 rolls on the support rail 17 to support the square tube 131, so that when it is transformed into a bed, it provides support for the user.
[0029] As a preferred embodiment of the above, a limiting plate 171 is provided at one end of the support rail 17 to limit the movement of the guide wheel 132. The limiting plate 171 is mainly used to prevent the guide wheel 132 from sliding off the support rail 17, thereby limiting the range of movement of the square tube 131. A guide surface is provided at the other end to facilitate the guide wheel 132 to roll onto the support rail 17. For details, please refer to the attached Figure 4 As shown, the guide surface is an inclined surface.
[0030] As a preferred embodiment of the above embodiment, a roller 122 is provided at the bottom of the second storage cavity 121; guide bars 123 are provided on the front and rear sides of the second storage cavity 121 and are slidably arranged with respect to the support frame 10. The roller 122 and the guide bar 123 are provided to facilitate the smooth reciprocating movement of the first bed board 12 relative to the support frame 10, thereby guiding the extension of the first bed board 12.
[0031] As a preferred embodiment of the above embodiment, the support frame 10 is further provided with a plurality of support wheels 18 for supporting the bottom surface of the first bed board 12, and a clockwork disk 19 is provided at one end of the rotating shaft of the winding wheel 14. The clockwork disk 19 is mainly provided to drive the winding wheel 14, so that the hinged positions of the plurality of square tubes 131 can be straightened when winding; and when the self-locking device on the deceleration device of the driving source can be transformed into a bed, the state of the plurality of square tubes 131 is maintained, so that the square tubes 131 and the first bed board 12 form a straight bed board, thereby providing a comfortable use environment; under the drive of the clockwork disk 19, a driving force can be provided when winding the square tubes 131 to avoid looseness.
[0032] The specific working principle of the present invention is as follows: when it is necessary to transform into a bed, the driving source is energized, the motor starts, the self-locking device is unlocked, and the motor drives the gear to rotate, thereby driving the first bed board 12 to interact in a direction away from the backrest 11, thereby increasing the area of the bed board, thereby transforming into a bed;
[0033] When it is necessary to transform into a sofa, the motor is driven to reverse and the motor drives the first bed board 12 to move toward the side of the backrest 11. Under the driving action of the spring disk 19, the square tube 131 can be tightly wound on the winding wheel 14 to avoid getting stuck or loose.
[0034] It should be noted that, in this article, the terms include, contain or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. Specific examples are used in this article to illustrate the principle and implementation of the technical solution of the present invention. The above examples are only used to help understand the method of the present invention and its core idea. The above are only preferred implementations of the present invention. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, for ordinary technicians in this technical field, without departing from the principle of the present invention, several improvements, modifications or changes can be made, and the above technical features can also be combined in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the invention to other occasions without improvement, should be regarded as the protection scope of the present invention.
Claims
1. An automatic sofa bed that is easy to lie flat and deform, characterized in that: It comprises a support frame (10), a backrest (11) is fixedly arranged on one side of the support frame (10), and a first storage cavity (111) is arranged in the backrest (11); A first bed board (12) is movably arranged on the support frame (10), a second storage cavity (121) is provided below the first bed board (12), a second bed board (13) that can be rolled up is hingedly arranged on one side of the first bed board (12), and one end of the second bed board (13) is fixed to a winding wheel (14) rotatably arranged on the support frame (10); A driving source for driving the first bed board (12) to move is arranged on the support frame (10), and a controller (15) capable of receiving a start-stop driving source signal is arranged on the front side of the support frame (10).
2. The automatic sofa bed that is easy to lie flat and deform according to claim 1, characterized in that: The top surfaces of the first bed board (12) and the second bed board (13) are detachably provided with mattresses (16); The second bed board (13) comprises a plurality of mutually hingedly arranged square tubes (131), a guide wheel (132) is arranged at the bottom of the square tube (131), and a support rail (17) for supporting the guide wheel (132) is arranged on the support frame (10).
3. The automatic sofa bed that is easy to lie flat and deform according to claim 2, characterized in that: One end of the support rail (17) is provided with a limiting plate (171) for limiting the movement of the guide wheel (132), and the other end is provided with a guide surface for facilitating the guide wheel (132) to roll onto the support rail (17).
4. The automatic sofa bed that is easy to lie flat and deform according to claim 1, characterized in that: A roller (122) is provided at the bottom of the second storage cavity (121); and guide strips (123) are provided on the front and rear side surfaces of the second storage cavity (121) and are slidably arranged with the support frame (10).
5. The automatic sofa bed that is easy to lie flat and deform according to claim 1, characterized in that: The support frame (10) is also provided with a plurality of support wheels (18) for supporting the bottom surface of the first bed board (12).
6. The automatic sofa bed that is easy to lie flat and deform according to claim 1, characterized in that: A spring disc (19) is provided at one end of the rotating shaft of the winding wheel (14).