A sofa with an adjustable center of gravity

Abstract

This application discloses an adjustable center of gravity sofa, belonging to the field of sofa technology. It includes a sofa body with two sets of side frames. Inside each side frame are a backrest, a seat cushion, and a leg rest. The seat cushion is installed between the two side frames, and the leg rest is rotatably connected to the seat cushion. A fixing plate and a mounting bracket are provided at the bottom of the seat cushion. A hydraulic rod is provided on one side of the fixing plate, and a rotating shaft is provided at one end of the backrest. The backrest is rotatably connected to the two side frames via the rotating shaft. The telescopic end of the hydraulic rod is hinged to the bottom end of the backrest. A drive motor is provided above the mounting bracket, and a drive rod is rotatably connected to one side of the mounting bracket. In use, the angles of the backrest and leg rest can be adjusted according to the user's needs, thus adjusting the overall angle of the sofa and changing the center of gravity of both the user and the sofa, resulting in greater comfort and improved overall practicality.

Description

Technical Field

[0001] This application relates to the field of sofa technology, and more particularly to a sofa with an adjustable center of gravity. Background Technology

[0002] A sofa is a multi-seat chair with cushions. It includes chairs with backrests made of springs or thick foam. Sofas can be categorized by function into functional sofas, fixed-back sofas, infinitely adjustable sofas, pneumatic sofas (i.e., manual sofas), electric sofas, and sofas with built-in televisions. Sofas have become essential furniture in many homes. Sofas sold on the market generally come in three types: low-back sofas, high-back sofas, and standard sofas that fall between the two.

[0003] Existing sofas cannot adjust the center of gravity according to the user's needs, have limited functionality, cannot meet diverse needs, and their comfort level needs improvement, making them inconvenient to use. Utility Model Content

[0004] In view of the shortcomings of the prior art, this application provides a sofa with an adjustable center of gravity, which overcomes the shortcomings of the prior art and aims to solve the problems that existing sofas cannot change the position of the center of gravity according to the user's needs, have relatively simple functions, cannot meet diverse needs, have inconvenient comfort during use, and are relatively inconvenient to use.

[0005] To achieve the above objectives, this application provides the following technical solution: an adjustable center of gravity sofa, comprising a sofa body, the sofa body including two sets of side frames, the two sets of side frames internally provided with a backrest, a seat cushion and a leg rest, the seat cushion being installed between the two sets of side frames, the leg rest being rotatably connected to the seat cushion, the bottom of the seat cushion being provided with a fixing plate and a mounting frame, a hydraulic rod being provided on one side of the fixing plate, a rotating shaft being provided at one end of the backrest, the backrest being rotatably connected to the two sets of side frames through the rotating shaft, the telescopic end of the hydraulic rod being hinged to the bottom end of the backrest, a drive motor being provided above the mounting frame, a drive rod being rotatably connected to one side of the mounting frame, gears being fixedly connected to the output end of the drive motor and the middle part of the drive rod, the two sets of gears meshing with each other, two sets of drive hinges being provided outside the drive rod, one end of the two sets of drive hinges being hinged to one side of the leg rest.

[0006] By adopting the above technical solution and designing the sofa body, the hydraulic rod can drive the bottom of the backrest to move continuously during use, thus adjusting the angle of the backrest. Simultaneously, the drive motor is activated, which drives the drive rod through gears. This, in turn, allows the angle of the leg rest to change through two sets of drive hinges. In this way, the angles of the backrest and leg rest can be adjusted according to the user's needs, thereby adjusting the overall angle of the sofa and changing the center of gravity of both the user and the sofa. This results in greater comfort and improved overall practicality during use.

[0007] As a preferred technical solution of this application, the backrest is provided with a massage groove, and the massage groove is provided with multiple sets of massage air cushions, and the distance between the multiple sets of massage air cushions is the same.

[0008] By adopting the above technical solution and setting up a massage groove, the user's back can be quickly massaged by the undulation of multiple sets of massage air cushions during use, making it more convenient to use, effectively expanding the functions and improving the overall practicality.

[0009] As a preferred technical solution of this application, a sliding groove is provided on one side of one of the side frames, a cup holder is slidably connected inside the sliding groove, and a cup groove is provided above the cup holder.

[0010] By adopting the above technical solution and setting up a sliding groove, the cup holder can be quickly stored during use, making it more convenient to use.

[0011] As a preferred technical solution of this application, a protective pad is provided above both sets of side frames, and the protective pad is sleeved on the top of the side frame.

[0012] By adopting the above technical solution and setting up protective pads, the user's comfort can be further improved during use, while the plug-in method allows for quick replacement.

[0013] As a preferred technical solution of this application, an installation groove is provided above the two sets of side frames, and a telescopic rod is provided inside the two sets of installation grooves. The top of the telescopic rod is fixedly connected to the bottom of the protective pad.

[0014] By adopting the above technical solution and setting the installation groove, the height of the protective pad can be adjusted by the two sets of internal telescopic rods during use, which can better match the user's body size and make it more convenient to use.

[0015] As a preferred technical solution of this application, a placement groove is provided on the top of the cushion, and a breathable pad is provided inside the placement groove.

[0016] By adopting the above technical solution and setting up placement slots, the breathable pad can be installed during use and can be quickly replaced, improving comfort during use.

[0017] As a preferred technical solution of this application, a control panel is provided above a group of the protective pads, and the control panel is electrically connected to the massage air cushion, the mounting bracket and the fixing plate.

[0018] By adopting the above technical solution and setting up a control panel, the sofa can be controlled more flexibly during use, improving its convenience.

[0019] As a preferred technical solution of this application, the bottom of the sofa body is provided with a base, and the bottom of the base is provided with four sets of universal wheels.

[0020] By adopting the above technical solution and setting up omnidirectional wheels, it is more convenient to move the sofa, thus improving its practicality.

[0021] The beneficial effects of this application are:

[0022] 1. By designing the sofa body, the hydraulic rod can drive the bottom of the backrest to move continuously during use, thus adjusting the backrest angle. Simultaneously, the drive motor is activated, which drives the drive rod through gears. This, in turn, allows the leg rest angle to change through two sets of drive hinges. Therefore, during use, the angles of the backrest and leg rest can be adjusted according to the user's needs, thereby adjusting the overall angle of the sofa and shifting the center of gravity of both the user and the sofa, resulting in greater comfort and improved overall practicality.

[0023] 2. By setting up a massage groove, the user's back can be quickly massaged by the undulation of multiple sets of massage air cushions during use, making it more convenient to use, effectively expanding the functions and improving the overall practicality. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall front structure of this application;

[0025] Figure 2 This is a schematic diagram of the mounting slot structure in this application;

[0026] Figure 3 This is a schematic diagram of the internal side structure of this application;

[0027] Figure 4 This is a schematic diagram of the internal rear structure of this application.

[0028] In the diagram: 1. Sofa body; 101. Side frame; 102. Backrest; 103. Seat cushion; 104. Leg rest; 105. Massage groove; 106. Mounting groove; 107. Slide groove; 108. Placement groove; 2. Protective pad; 201. Telescopic rod; 3. Base; 301. Casters; 4. Fixing plate; 401. Hydraulic rod; 402. Rotating shaft; 5. Mounting bracket; 501. Drive rod; 502. Drive motor; 503. Drive hinge; 504. Gear; 6. Control panel; 7. Breathable pad; 8. Massage air cushion; 9. Cup holder; 901. Cup slot. Detailed Implementation

[0029] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0030] Reference Figure 1-4 An adjustable sofa includes a sofa body 1, which comprises two sets of side frames 101. Inside each set of side frames 101 are a backrest 102, a seat cushion 103, and a leg rest 104. The seat cushion 103 is installed between the two sets of side frames 101, and the leg rest 104 is rotatably connected to the seat cushion 103. A fixing plate 4 and a mounting bracket 5 are provided at the bottom of the seat cushion 103. A hydraulic rod 401 is provided on one side of the fixing plate 4. A rotating shaft 402 is provided at one end of the backrest 102, and the backrest 102 is rotatably connected to the two sets of side frames 101 via the rotating shaft 402. The telescopic end of the hydraulic rod 401 is connected to the backrest 102. The bottom ends of the back 102 are hinged together. A drive motor 502 is installed above the mounting bracket 5. A drive rod 501 is rotatably connected to one side of the mounting bracket 5. Gears 504 are fixedly connected to the output end of the drive motor 502 and the middle part of the drive rod 501. The two sets of gears 504 mesh with each other. Two sets of drive hinges 503 are provided on the outside of the drive rod 501. One end of the two sets of drive hinges 503 is hinged to one side of the leg support 104. A sliding groove 107 is provided on one side of one set of side brackets 101. A cup holder 9 is slidably connected inside the sliding groove 107. A cup groove 901 is provided above the cup holder 9.

[0031] By configuring the sofa body 1, the hydraulic rod 401 can drive the bottom of the backrest 102 to move continuously during use, thus adjusting the angle of the backrest 102. At the same time, the drive motor 502 is activated, which drives the drive rod 501 through the gear 504. This, in turn, allows the angle of the leg rest 104 to change through the two sets of drive hinges 503. In this way, the angle of the backrest 102 and the leg rest 104 can be adjusted according to the user's needs, thereby adjusting the overall angle of the sofa and changing the center of gravity of the user and the sofa, making it more comfortable to use and improving its overall practicality. By configuring the sliding groove 107, the cup holder 9 can be quickly stored during use, making it more convenient to use.

[0032] Reference Figure 1-4 The backrest 102 has a massage groove 105 inside, and multiple massage air cushions 8 are set inside the massage groove 105. The distance between the multiple massage air cushions 8 is the same. Protective pads 2 are set above the two side frames 101, and the protective pads 2 are fitted onto the top of the side frames 101. The seat cushion 103 has a placement groove 108 above it, and a breathable pad 7 is set inside the placement groove 108. By setting up the massage groove 105, the user's back can be quickly massaged by the undulation of the multiple massage air cushions 8 during use, which is more convenient to use, effectively expands the functions, and improves the overall practicality. By setting up the protective pads 2, the user's comfort can be further improved during use, and the fitting method can be quickly replaced. By setting up the placement groove 108, the breathable pad 7 can be installed during use and can be quickly replaced, improving the comfort during use.

[0033] Reference Figure 1-4 Each of the two sets of side frames 101 has a mounting slot 106 on its upper part. A telescopic rod 201 is installed inside each of the two mounting slots 106, with the top of the telescopic rod 201 fixedly connected to the bottom of the protective pad 2. By setting the mounting slots 106, the height of the protective pad 2 can be adjusted using the two sets of telescopic rods 201, allowing for better fit to the user's body and greater convenience. A control panel 6 is located above one set of protective pads 2, electrically connected to the massage air cushion 8, the mounting frame 5, and the fixing plate 4. The control panel 6 allows for more flexible control of the sofa, improving ease of use. A base 3 is located at the bottom of the sofa body 1, with four sets of universal wheels 301 at its bottom. The universal wheels 301 make moving the sofa easier and enhance its practicality.

[0034] Working principle: By setting up the sofa body 1, during use, the hydraulic rod 401 can drive the bottom end of the backrest 102 to move continuously, thus adjusting the angle of the backrest 102. At the same time, the drive motor 502 is started, which drives the drive rod 501 through the gear 504. Thus, the angle of the leg rest 104 is changed through the two sets of drive hinges 503. In this way, during use, the angle of the backrest 102 and the leg rest 104 can be adjusted according to the user's needs, thereby adjusting the overall angle of the sofa and changing the center of gravity of the user and the sofa, making it more comfortable to use and improving the overall practicality. By setting up the massage groove 105, during use, the undulation of multiple sets of massage air cushions 8 can quickly massage the user's back, making it more convenient to use, effectively expanding the functions and improving the overall practicality.

[0035] The design incorporates a sliding groove 107, which allows for quick storage of the cup holder 9 during use, making it more convenient. The protective pad 2 further enhances user comfort, while the snap-fit ​​design allows for quick replacement.

[0036] Meanwhile, by setting the mounting slot 106, the height of the protective pad 2 can be adjusted by the two sets of telescopic rods 201 inside during use, which can better match the user's body size and make it more convenient to use.

[0037] In addition, by setting the placement slot 108, the breathable pad 7 can be installed during use and can be quickly replaced, improving the comfort during use; by setting the control panel 6, the sofa can be operated more flexibly during use, improving the convenience of use; by setting the casters 301, it is easier to move the sofa, improving its practicality.

[0038] The above are merely preferred embodiments of this application and are not intended to limit this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A sofa with an adjustable center of gravity, comprising a sofa body (1), characterized in that, The sofa body (1) includes two sets of side frames (101). Inside each set of side frames (101) are a backrest (102), a seat cushion (103), and a leg rest (104). The seat cushion (103) is installed between the two sets of side frames (101). The leg rest (104) is rotatably connected to the seat cushion (103). A fixing plate (4) and a mounting bracket (5) are provided at the bottom of the seat cushion (103). A hydraulic rod (401) is provided on one side of the fixing plate (4). A rotating shaft (402) is provided at one end of the backrest (102). The backrest (102) is connected to the two sets of side frames (104) via the rotating shaft (402). The face frame (101) is rotatably connected to each other. The telescopic end of the hydraulic rod (401) is hinged to the bottom end of the backrest (102). A drive motor (502) is provided above the mounting frame (5). A drive rod (501) is rotatably connected to one side of the mounting frame (5). Gears (504) are fixedly connected to the output end of the drive motor (502) and the middle part of the drive rod (501). The two sets of gears (504) mesh with each other. Two sets of drive hinges (503) are provided on the outside of the drive rod (501). One end of the two sets of drive hinges (503) is hinged to one side of the leg rest (104).

2. The sofa with an adjustable center of gravity according to claim 1, characterized in that, The backrest (102) has a massage groove (105) inside, and multiple massage air cushions (8) are provided inside the massage groove (105), with the distance between the multiple massage air cushions (8) being the same.

3. The sofa with an adjustable center of gravity according to claim 1, characterized in that, One side of one of the side brackets (101) has a groove (107) on one side, and a cup holder (9) is slidably connected inside the groove (107). A cup groove (901) is provided above the cup holder (9).

4. The sofa with an adjustable center of gravity according to claim 1, characterized in that, A protective pad (2) is provided above each of the two sets of side frames (101), and the protective pad (2) is sleeved on the top of the side frame (101).

5. A sofa with an adjustable center of gravity according to claim 4, characterized in that, Both sets of side frames (101) have mounting slots (106) on their tops, and both sets of mounting slots (106) have telescopic rods (201) inside them. The top of the telescopic rods (201) is fixedly connected to the bottom of the protective pad (2).

6. A sofa with an adjustable center of gravity according to claim 1, characterized in that, The seat cushion (103) has a placement groove (108) on its upper part, and a breathable pad (7) is provided inside the placement groove (108).

7. A sofa with an adjustable center of gravity according to claim 4, characterized in that, A control panel (6) is provided above one of the protective pads (2), and the control panel (6) is electrically connected to the massage air cushion (8), the mounting bracket (5) and the fixing plate (4).

8. A sofa with an adjustable center of gravity according to claim 1, characterized in that, The sofa body (1) has a base (3) at its bottom, and the base (3) has four sets of casters (301) at its bottom.

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