Adjustable multifunctional sofa

Abstract

The utility model relates to the technical field of sofas, and discloses an adjustable multifunctional sofa which comprises a soft package base, a base is fixedly connected to the interior of the soft package base, an upper fixing frame is welded to the top of the base, a cushion is fixedly connected to the top of the upper fixing frame, a back cushion is arranged at one end of the cushion, and a back cushion is arranged at the other end of the cushion. A first adjusting assembly used for adjusting the back cushion is arranged in the back cushion, a leg supporting cushion is arranged at the end, away from the back cushion, of the seat cushion, and a second adjusting assembly used for adjusting the leg supporting cushion is arranged in the leg supporting cushion. Through cooperative use of the first adjusting assembly, the second adjusting assembly and other related assemblies, the whole sofa is easy and convenient to operate and use, the sofa can be flexibly adjusted, the structure is relatively simpler, correspondingly, the early-stage manufacturing cost and the maintenance cost in the later-stage using process can be effectively reduced, and good practicability is achieved.

Description

Technical Field

[0001] The present application relates to the technical field of sofas, and in particular to an adjustable multifunctional sofa. Background Art

[0002] "Sofa" usually refers to a piece of furniture used for sitting or lying down. It is usually in the form of a bench, sometimes with armrests, and can accommodate two or more people. It is usually placed in the living room, lounge or family entertainment room, and is a common piece of furniture in home life.

[0003] In the utility model with the Chinese patent authorization announcement number "CN210471589U", "a new type of folding sofa is disclosed, wherein the length direction of the folding sofa is defined as left and right, and the width direction of the folding sofa is defined as front and back, and the state of the folding sofa changes between a storage state and a use state, and the folding sofa comprises a main frame assembly, a cushion frame assembly and a backrest frame assembly, wherein the cushion frame assembly and the backrest frame assembly are both arranged on the main frame assembly, and the backrest frame assembly is driven by a backrest folding drive mechanism fixed on the main frame assembly to flip and fold, so that the state of the backrest frame assembly changes between a storage state and a use state." While the sofa is automatically folded by the backrest frame structure and the active folding drive mechanism, the sofa is automatically guided by the chassis lifting mechanism and the active chassis mechanism, so that the utility model can automatically run to a storage location for folding and storage when not in use, and can automatically move to a waiting location to unfold for use by users when in use, so as to achieve efficient use of the use space;

[0004] With respect to the above-mentioned related technologies, the inventor believes that the above-mentioned utility model can fold and unfold the sofa through its backrest frame structure and folding drive mechanism and other components, but the overall structure is relatively complex, which will correspondingly increase its initial cost and later maintenance cost;

[0005] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0006] In order to solve the problem that the existing adjustable folding sofa has a complex structure, increases the cost of manufacture and subsequent maintenance costs, the present application provides an adjustable multifunctional sofa.

[0007] The present application provides an adjustable multifunctional sofa adopting the following technical solution:

[0008] An adjustable multifunctional sofa comprises a soft-padded base, wherein a pedestal is fixedly connected to the inside of the soft-padded base, an upper fixing frame is welded to the top of the base, a seat cushion is fixedly connected to the top of the upper fixing frame, a back cushion is provided at one end of the seat cushion, a first adjustment component for adjusting the back cushion is provided inside the back cushion, and the first adjustment component is arranged inside the base, a leg support pad is provided at one end of the seat cushion away from the back cushion, a second adjustment component for adjusting the leg support pad is provided inside the leg support pad, and the second adjustment component is arranged inside the base.

[0009] Preferably, the second adjustment assembly includes a front support frame, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a third fixed rod and a first electric cylinder. The bottom of the inner cavity of the base is rotatably connected to the first electric cylinder via a rotating shaft, one end of the first electric cylinder is rotatably connected to the third fixed rod via a rotating shaft, and both ends of the third fixed rod are fixedly connected to the third connecting rod.

[0010] Preferably, one end of the two groups of third connecting rods are rotatably connected to the inner cavity side wall of the base through a rotating shaft, the other ends of the two groups of third connecting rods are rotatably connected to the first connecting rod through a rotating shaft, and one end of the two groups of first connecting rods away from the third connecting rods are rotatably connected to the front support frame through a rotating shaft, and the surface of the front support frame is fixedly connected to the inner cavity side wall of the leg support pad.

[0011] Preferably, the sides of the two groups of third links that are away from each other are rotatably connected to the second link via a rotating shaft, one end of the two groups of second links are rotatably connected to the fourth link via a rotating shaft, the ends of the two groups of second links away from the fourth link are rotatably connected to the surface of the front support frame via a rotating shaft, and the ends of the two groups of fourth links away from the second link are rotatably connected to the side wall of the inner cavity of the base via a rotating shaft.

[0012] Preferably, the first adjustment component includes a rear support frame, a first fixed rod, a second fixed rod and a second electric cylinder, the bottom of the inner cavity of the base is rotatably connected to the second electric cylinder via a rotating shaft, one end of the second electric cylinder is rotatably connected to the second fixed rod via a rotating shaft, and both ends of the second fixed rod are fixedly connected to the rear support frame.

[0013] Preferably, the surface of the rear support frame is rotatably connected to the inner cavity side wall of the base via a rotating shaft, the inner cavity side wall of the rear support frame is fixedly connected to a first fixing rod via bolts, and the surface of the rear support frame is fixedly connected to the inner cavity side wall of the cushion.

[0014] In summary, this application includes the following beneficial technical effects:

[0015] Through the coordinated use of the first adjustment component, the second adjustment component and other related components, and the coordinated use of the first electric cylinder, the connecting rod and related components, the angle of the leg support pad can be adjusted, and the angle of the back cushion can be adjusted by using the second electric cylinder, the rear support frame and other components, so that in combination with the seat cushion, it can be fully unfolded, and the user can adjust and use it according to their own needs; compared with the existing technology, the overall operation is simple and easy to use, the sofa can be flexibly adjusted, and the structure is relatively simpler, which can effectively reduce the initial cost and the maintenance cost in the later use process, and has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of a three-dimensional structure from a first-view perspective of an embodiment of the application;

[0017] Figure 2 It is a schematic diagram of the partial structure of the base, upper fixing frame and related components of the embodiment of the application;

[0018] Figure 3 It is a cross-sectional view of the base of the application embodiment and a schematic diagram of the local structure of related components.

[0019] Explanation of the accompanying drawings: 1. soft-padded base; 2. seat cushion; 3. back cushion; 4. leg support pad; 5. base; 6. upper fixing frame; 7. rear support frame; 8. front support frame; 9. first fixing rod; 10. second fixing rod; 11. first connecting rod; 12. second connecting rod; 13. third connecting rod; 14. fourth connecting rod; 15. third fixing rod; 16. first electric cylinder; 17. second electric cylinder. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-3 This application is described in further detail.

[0021] The present application embodiment discloses an adjustable multifunctional sofa. Figure 1-3, an adjustable multifunctional sofa, comprising a soft-padded base 1, a base 5 is fixedly connected inside the soft-padded base 1, an upper fixing frame 6 is welded on the top of the base 5, a seat cushion 2 is fixedly connected to the top of the upper fixing frame 6, one end of the seat cushion 2 is provided with a back cushion 3, the back cushion 3 is provided with a first adjusting component for adjusting the back cushion 3, and the first adjusting component is arranged inside the base 5, a leg support pad 4 is provided at the end of the seat cushion 2 away from the back cushion 3, the leg support pad 4 is provided with a second adjusting component for adjusting the leg support pad 4, and the second adjusting component is arranged inside the base 5, the second adjusting component comprises a front supporting frame 8, a first connecting rod 11, a second connecting rod 12, a third connecting rod 13, a fourth connecting rod 14, a third fixing rod 15 and a first electric cylinder 16, the bottom of the inner cavity of the base 5 is rotatably connected to the first electric cylinder 16 through a rotating shaft, and one end of the first electric cylinder 16 is rotatably connected to the first electric cylinder 16 through a rotating shaft The third fixing rod 15 is rotatably connected to the third connecting rod 13 at both ends of the third fixing rod 15. One end of the two groups of third connecting rods 13 is rotatably connected to the inner cavity side wall of the base 5 through a rotating shaft. The other ends of the two groups of third connecting rods 13 are rotatably connected to the first connecting rod 11 through a rotating shaft. The ends of the two groups of first connecting rods 11 away from the third connecting rod 13 are rotatably connected to the front support frame 8 through a rotating shaft. The surface of the front support frame 8 is fixedly connected to the inner cavity side wall of the leg support pad 4. The sides of the two groups of third connecting rods 13 away from each other are rotatably connected to the second connecting rod 12 through a rotating shaft. One end of the two groups of second connecting rods 12 are rotatably connected to the fourth connecting rod 14 through a rotating shaft. The ends of the two groups of second connecting rods 12 away from the fourth connecting rod 14 are rotatably connected to the surface of the front support frame 8 through a rotating shaft. The ends of the two groups of fourth connecting rods 14 away from the second connecting rod 12 are rotatably connected to the inner cavity side wall of the base 5 through a rotating shaft.

[0022] By adopting the above technical scheme, the soft-padded base 1 and the base 5 can be used to support and fix the whole body, and the upper fixing frame 6 can be used to support and fix the seat cushion 2, and cooperate with the back cushion 3 and the leg support pad 4 to facilitate the user to sit or lie down. At the same time, the first electric cylinder 16 is used to output and push the third fixed rod 15 to which it is rotatably connected, so that the two groups of third connecting rods 13 can be driven to rotate. At this time, the first connecting rod 11 and the second connecting rod 12 rotatably connected to the third connecting rod 13 can be pulled to move at the same time, and the fourth connecting rod 14 can be used to support the second connecting rod 12. The front supporting frame 8 rotatably connected to the second connecting rod 12 and the first connecting rod 11 can be moved, so that the leg support pad 4 fixedly connected to the surface of the front supporting frame 8 can be rotated and adjusted, and the back cushion 3 can be adjusted by the first adjustment component provided inside the back cushion 3, so that the sofa can be unfolded and flattened as a whole, which is convenient for users to lie down and use.

[0023] Reference Figure 1 , Figure 2 and Figure 3The first adjustment assembly includes a rear support frame 7, a first fixing rod 9, a second fixing rod 10 and a second electric cylinder 17. The bottom of the inner cavity of the base 5 is rotatably connected to the second electric cylinder 17 through a rotating shaft. One end of the second electric cylinder 17 is rotatably connected to the second fixing rod 10 through a rotating shaft. Both ends of the second fixing rod 10 are fixedly connected to the rear support frame 7. The surface of the rear support frame 7 is rotatably connected to the inner cavity side wall of the base 5 through a rotating shaft. The inner cavity side wall of the rear support frame 7 is fixedly connected to the first fixing rod 9 through bolts. The surface of the rear support frame 7 is fixedly connected to the inner cavity side wall of the cushion 3.

[0024] By adopting the above technical solution, the second electric cylinder 17 contracts, which can drive the second fixed rod 10 that is rotationally connected at one end thereof, and at the same time, the rear support frame 7 that is rotationally connected to the side wall of the inner cavity of the base 5 can be rotated, and in conjunction with the first fixed rod 9, the cushion 3 can be rotated and adjusted as a whole to be laid flat.

[0025] The implementation principle of an adjustable multifunctional sofa in the embodiment of the present application is as follows: the soft-padded base 1 and the base 5 can be used to support and fix the sofa as a whole, while the upper fixing frame 6 can be used to support and fix the seat cushion 2, and at the same time, cooperate with the back cushion 3 and the leg support pad 4 to facilitate the user to sit or lie down. At the same time, the first electric cylinder 16 is used to output and push the third fixed rod 15 connected in rotation, so as to drive the two groups of third connecting rods 13 to rotate. At this time, the first connecting rod 11 and the second connecting rod 12 connected in rotation with the third connecting rod 13 can be pulled to move at the same time, and cooperate with the fourth connecting rod 14 to support the second connecting rod 12 in a limited manner, so that the front supporting frame 8 rotatably connected to the second connecting rod 12 and the first connecting rod 11 can be moved, so that the leg support pad 4 fixedly connected to the surface of the front supporting frame 8 can be rotated and adjusted, and at the same time, the second electric cylinder 17 can be contracted to drive one end thereof The second fixed rod 10 is rotatably connected, and the rear support frame 7 rotatably connected to the inner cavity side wall of the base 5 is rotated at the same time. The cushion 3 can be rotated and adjusted as a whole in cooperation with the first fixed rod 9, and the sofa can be unfolded and flattened as a whole, which is convenient for users to lie down and use. The above-mentioned first electric cylinder 16 and second electric cylinder 17 can use PQ12 model servo electric cylinder. The servo electric cylinder is a modular product that integrates a servo motor and a lead screw. It converts the rotational motion of the servo motor into linear motion, and converts the best advantages of the servo motor - precise speed control, precise number of revolutions control, and precise torque control - into - precise speed control, precise position control, and precise thrust control. The overall operation is easy to use, the sofa can be flexibly adjusted, and the structure is relatively simpler, which can effectively reduce its initial cost and maintenance cost during later use, and has good practicality.

[0026] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0027] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0028] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0029] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An adjustable multifunctional sofa, comprising a soft-padded base (1), characterized in that: The soft bag base (1) is fixedly connected to a base (5) inside, an upper fixing frame (6) is welded to the top of the base (5), a seat cushion (2) is fixedly connected to the top of the upper fixing frame (6), one end of the seat cushion (2) is provided with a back cushion (3), the back cushion (3) is provided with a first adjustment component for adjusting the back cushion (3), and the first adjustment component is arranged inside the base (5), the seat cushion (2) is provided with a leg support pad (4) at one end away from the back cushion (3), the leg support pad (4) is provided with a second adjustment component for adjusting the leg support pad (4), and the second adjustment component is arranged inside the base (5); the second adjustment component includes a front support frame (8), a first connecting rod (11), a second connecting rod (12), and a third connecting rod (13). 3), a fourth connecting rod (14), a third fixed rod (15) and a first electric cylinder (16), the bottom of the inner cavity of the base (5) is rotatably connected to the first electric cylinder (16) via a rotating shaft, one end of the first electric cylinder (16) is rotatably connected to the third fixed rod (15) via a rotating shaft, and both ends of the third fixed rod (15) are fixedly connected to the third connecting rod (13); the first adjusting component includes a rear support frame (7), a first fixed rod (9), a second fixed rod (10) and a second electric cylinder (17), the bottom of the inner cavity of the base (5) is rotatably connected to the second electric cylinder (17) via a rotating shaft, one end of the second electric cylinder (17) is rotatably connected to the second fixed rod (10) via a rotating shaft, and both ends of the second fixed rod (10) are fixedly connected to the rear support frame (7).

2. The adjustable multifunctional sofa according to claim 1, characterized in that: One end of the two groups of third connecting rods (13) are rotatably connected to the inner cavity side wall of the base (5) through a rotating shaft, and the other end of the two groups of third connecting rods (13) are rotatably connected to the first connecting rod (11) through a rotating shaft. The ends of the two groups of first connecting rods (11) away from the third connecting rod (13) are rotatably connected to the front support frame (8) through a rotating shaft, and the surface of the front support frame (8) is fixedly connected to the inner cavity side wall of the leg support pad (4).

3. The adjustable multifunctional sofa according to claim 2, characterized in that: The sides of the two groups of third connecting rods (13) that are away from each other are rotatably connected to the second connecting rod (12) via a rotating shaft, one end of the two groups of second connecting rods (12) are rotatably connected to the fourth connecting rod (14) via a rotating shaft, the ends of the two groups of second connecting rods (12) that are away from the fourth connecting rod (14) are rotatably connected to the surface of the front support frame (8) via a rotating shaft, and the ends of the two groups of fourth connecting rods (14) that are away from the second connecting rod (12) are rotatably connected to the side wall of the inner cavity of the base (5) via a rotating shaft.

4. The adjustable multifunctional sofa according to claim 1, characterized in that: The surface of the rear support frame (7) is rotatably connected to the inner cavity side wall of the base (5) via a rotating shaft, the inner cavity side wall of the rear support frame (7) is fixedly connected to a first fixing rod (9) via bolts, and the surface of the rear support frame (7) is fixedly connected to the inner cavity side wall of the cushion (3).

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