Rhythm sofa with adjustable lying angle

Abstract

The utility model discloses a rhythm sofa with an adjustable lying angle, which relates to the technical field of rhythm sofas and comprises a support frame, a base, a backrest cushion and a seat cushion, and the base is welded at the bottom end of the support frame. Two sets of first rotating blocks are pushed towards the interior of the supporting frame, the first rotating blocks move to drive a limiting gear to be separated from a gear ring, meanwhile, the limiting gear pushes a spring to be subjected to compression deformation, and the limiting gear pushes a sliding rod to slide in a sliding groove; then a first rotating block drives a limiting gear, a sliding rod, a sliding groove and a backrest cushion to rotate, after the angle of the backrest cushion is adjusted and the angle of the rhythm sofa is adjusted to the needed angle, the first rotating block is loosened, a spring loses limiting and resets, the spring pushes the limiting gear to limit a gear ring, and the angle of the rhythm sofa is fixed; by adjusting the lying angle of the rhythm sofa, convenience is provided for the use of the user.

Description

Technical Field

[0001] The utility model relates to the technical field of rhythmic sofas, in particular to a rhythmic sofa with an adjustable lying angle. Background Art

[0002] A rhythmic sofa is a sofa with a special design that can simulate the natural rhythm of the human body. This type of sofa usually has a built-in motor and transmission mechanism that can produce regular vibrations, thereby helping the human body relax muscles, promote blood circulation, relieve fatigue, etc. Rhythmic sofas have been widely used in some fitness, leisure, massage and other places.

[0003] According to a rhythmic sofa with publication number CN212213192U, it includes a sofa body and a vertical rhythmic device, the sofa body includes a seat cushion area and a back cushion area, and the sofa body is provided with a accommodating cavity at the lower part of the seat cushion area; when the vertical rhythmic device includes a rhythmic device base and a rhythmic device upper cover, the rhythmic device upper cover is matched and embedded in the accommodating cavity; the depth of the accommodating cavity is less than the height of the vertical rhythmic device, and when the rhythmic device upper cover generates vertical rhythm, it can drive the sofa body to generate vertical rhythm.

[0004] The sofa body in the above patent is in a fixed state, the lying angle is fixed during use, and the tilting angle cannot be adjusted. It has poor applicability and a bad user experience. Utility Model Content

[0005] The utility model aims to provide a rhythmic sofa with an adjustable lying angle, so as to solve the problem that the inclination angle of the rhythmic sofas currently on the market cannot be adjusted as mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rhythmic sofa with adjustable lying angle, comprising a support frame, a base, a back cushion and a seat cushion, the bottom end of the support frame is welded with a base, the inner side of the top end of the support frame is provided with a back cushion, the top end of the support frame is located on one side of the back cushion and is provided with a seat cushion, an axle seat is connected between the support frame and the back cushion, both ends of the support frame are provided with gear rings, both ends of the back cushion are provided with sliding grooves, the interiors of two groups of the sliding grooves are provided with sliding rods extending into the interior of the support frame, the outer walls of the two groups of the sliding rods are located inside the support frame and are sleeved with springs, one end of the two groups of the sliding rods is welded with a limiting gear, a first rotating block is welded on the side of the two groups of the limiting gears away from the sliding rod, and a guide groove is provided on the inner side of the support frame.

[0007] Preferably, an electric push rod is installed inside the backrest cushion, and a pressing block is connected to the output end of the electric push rod.

[0008] Preferably, an extension frame extending to the outside is provided on the inner side of the support frame below the seat cushion, a foot pad is provided on the top end of the extension frame on one side of the seat cushion, sliding blocks extending to the inside of the guide groove are welded to both ends of the extension frame, a threaded rod is sleeved through the inside of the support frame below the seat cushion, and a threaded block sleeved on the outer wall of the threaded rod is welded to the bottom end of the extension frame.

[0009] Preferably, a connecting frame is sleeved on the outer wall of the threaded rod located on one side of the threaded block, a first bevel gear is welded to the inner part of the connecting frame on the outer wall of the threaded rod, a second bevel gear is arranged on one side of the first bevel gear inside the connecting frame, a connecting rod extending to the outside of the connecting frame is welded to one end of the second bevel gear, and a second rotating block is welded to one end of the connecting rod.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. When the lying angle of the rhythmic sofa needs to be adjusted, the two groups of first rotating blocks are pushed toward the inside of the supporting frame, and the first rotating block moves to drive the limiting gear to separate from the gear ring. At the same time, the limiting gear pushes the spring to compress and deform, and the limiting gear pushes the sliding rod to slide inside the sliding groove. The limiting gear, the sliding rod, the sliding groove and the back cushion are then driven by the first rotating block to rotate to adjust the angle of the back cushion. After the angle of the rhythmic sofa is adjusted to the desired angle, the first rotating block is released, the spring loses its limit and resets, and the spring pushes the limiting gear to limit the gear ring to fix the angle of the rhythmic sofa. By adjusting the lying angle of the rhythmic sofa, convenience is provided for the user.

[0012] 2. When the length of the rhythmic sofa is adjusted, the first bevel gear is driven to reverse through the second rotating block, the connecting rod and the second bevel gear, and the reversal of the first bevel gear drives the threaded rod to reverse, and the reversal of the threaded rod drives the threaded block threadedly connected to the threaded rod to move, and the threaded block drives the extension frame and the foot pad to move, and the extension frame drives the sliding block to slide on the inner wall of the guide groove, and the rhythmic sofa is extended through the extension frame and the foot pad, so that the rhythmic sofa is suitable for users of different heights, effectively expanding the application range of the rhythmic sofa. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the utility model;

[0014] Figure 2 It is the front view of the utility model;

[0015] Figure 3 It is a three-dimensional cutaway view of the utility model;

[0016] Figure 4It is a three-dimensional cutaway view of the gear ring of the utility model.

[0017] In the figure: 1. support frame; 101. shaft seat; 102. gear ring; 103. sliding groove; 104. sliding rod; 105. spring; 106. limit gear; 107. first rotating block; 108. guide groove; 2. base; 3. extension frame; 301. foot pad; 302. sliding block; 303. threaded rod; 304. threaded block; 305. connecting frame; 306. first bevel gear; 307. second bevel gear; 308. connecting rod; 309. second rotating block; 4. backrest pad; 401. electric push rod; 402. pressing block; 5. seat cushion. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The utility model provides a technical solution: a rhythmic sofa with an adjustable lying angle, comprising a support frame 1, a base 2, a back cushion 4 and a seat cushion 5, the base 2 is welded to the bottom end of the support frame 1, the back cushion 4 is arranged on the inner side of the top end of the support frame 1, and the seat cushion 5 is arranged on one side of the back cushion 4 at the top end of the support frame 1.

[0020] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 It can be seen that an axle seat 101 is connected between the support frame 1 and the back cushion 4, a gear ring 102 is provided at both ends of the support frame 1, and a sliding groove 103 is provided at both ends of the back cushion 4. The interiors of the two groups of the sliding grooves 103 are provided with sliding rods 104 extending to the interior of the support frame 1, and the outer walls of the two groups of the sliding rods 104 are located inside the support frame 1 and are sleeved with springs 105. One end of the two groups of the sliding rods 104 is welded with a limiting gear 106, and the side of the two groups of the limiting gears 106 away from the sliding rod 104 is welded with a first rotating block 107, and a guide groove 108 is provided on the inner side of the support frame 1, the outer wall of the limiting gear 106 is engaged with the inner wall of the gear ring 102, and the outer wall of the sliding rod 104 is slidably connected with the inner wall of the sliding groove 103.

[0021] During specific implementation, when it is necessary to adjust the lying angle of the rhythmic sofa, the operator pushes the two groups of first rotating blocks 107 toward the inside of the support frame 1, and the first rotating block 107 moves to drive the limiting gear 106 to separate from the gear ring 102. At the same time, the limiting gear 106 pushes the spring 105 to perform compression deformation, and the limiting gear 106 pushes the sliding rod 104 to slide inside the sliding groove 103, and the first rotating block 107 is rotated. The first rotating block 107 rotates to drive the limiting gear 106, the sliding rod 104, the sliding groove 103 and the back cushion 4 to rotate, and the angle of the back cushion 4 is adjusted. After the angle of the rhythmic sofa is adjusted to the required angle, the first rotating block 107 is released, and the spring 105 loses its limit and resets. The spring 105 pushes the limiting gear 106 to limit the gear ring 102, and the angle of the rhythmic sofa is fixed. By adjusting the lying angle of the rhythmic sofa, convenience is provided for the user.

[0022] See also Figure 3 It can be seen that an electric push rod 401 is installed inside the backrest cushion 4 , and a pressing block 402 is connected to the output end of the electric push rod 401 .

[0023] In specific implementation, when the rhythmic sofa is needed for massage, the electric push rod 401 is started, and the electric push rod 401 drives the pressing block 402 to move up and down, and the pressing block 402 presses the user's shoulders and neck to relieve the user's physical fatigue.

[0024] See also Figure 1 , Figure 2 and Figure 3 It can be seen that the inner side of the support frame 1 is located below the seat cushion 5 and is provided with an extension frame 3 extending to the outside. The top of the extension frame 3 is located on one side of the seat cushion 5 and is provided with a foot pad 301. Both ends of the extension frame 3 are welded with sliding blocks 302 extending to the inside of the guide groove 108. The interior of the support frame 1 is located below the seat cushion 5 and is penetrated by a threaded rod 303. The bottom end of the extension frame 3 is welded with a threaded block 304 sleeved on the outer wall of the threaded rod 303. The outer wall of the threaded rod 303 is located on one side of the threaded block 304 and is sleeved with a connecting frame 305. The outer wall of the threaded rod 303 is located on the connecting frame 3 05 is welded with a first bevel gear 306 inside, and a second bevel gear 307 is arranged inside the connecting frame 305 on one side of the first bevel gear 306. A connecting rod 308 extending to the outside of the connecting frame 305 is welded to one end of the second bevel gear 307, and a second rotating block 309 is welded to one end of the connecting rod 308. The inner wall of the sliding block 302 is slidably connected to the outer wall of the guide groove 108, the outer wall of the second bevel gear 307 is meshedly connected to the outer wall of the first bevel gear 306, and the outer wall of the threaded rod 303 is threadedly connected to the inner wall of the threaded block 304.

[0025] In specific implementation, when it is necessary to adjust the length of the rhythmic sofa, the operator reverses the second rotating block 309, and the reversal of the second rotating block 309 drives the connecting rod 308 to reverse, and the reversal of the connecting rod 308 drives the second bevel gear 307 to reverse, and the reversal of the second bevel gear 307 drives the first bevel gear 306 meshing with the second bevel gear 307 to reverse, and the reversal of the first bevel gear 306 drives the threaded rod 303 to reverse, and the reversal of the threaded rod 303 drives the threaded block 304 threadedly connected to the threaded rod 303 to move, and the threaded block 304 drives the extension frame 3 and the foot pad 301 to move, and the extension frame 3 drives the sliding block 302 to slide on the inner wall of the guide groove 108, and the rhythmic sofa is extended by the extension frame 3 and the foot pad 301, so that the rhythmic sofa is suitable for users of different heights, which effectively expands the scope of application of the rhythmic sofa.

[0026] To sum up: when the rhythmic sofa needs to be used, the user sits on the top of the seat cushion 5, leans on the top of the back cushion 4, starts the electric push rod 401, and the electric push rod 401 drives the pressing block 402 to move up and down, and the pressing block 402 presses the user's shoulders and neck to relieve the user's physical fatigue.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rhythmic sofa with adjustable lying angle, comprising a support frame (1), a base (2), a backrest cushion (4) and a seat cushion (5), characterized in that: A base (2) is welded to the bottom end of the support frame (1), a backrest cushion (4) is arranged on the inner side of the top end of the support frame (1), a seat cushion (5) is arranged on the top end of the support frame (1) and on one side of the backrest cushion (4), an axle seat (101) is connected between the support frame (1) and the backrest cushion (4), gear rings (102) are provided at both ends of the support frame (1), sliding grooves (103) are provided at both ends of the backrest cushion (4), and two groups of the sliding grooves (103) are provided. 3) are provided with sliding rods (104) extending into the interior of the support frame (1), the outer walls of the two groups of sliding rods (104) are located inside the support frame (1) and are sleeved with springs (105), one end of the two groups of sliding rods (104) is welded with a limit gear (106), and the side of the two groups of limit gears (106) away from the sliding rod (104) is welded with a first rotating block (107), and the inner side of the support frame (1) is provided with a guide groove (108).

2. The rhythmic sofa with adjustable lying angle according to claim 1, characterized in that: An electric push rod (401) is installed inside the backrest cushion (4), and the output end of the electric push rod (401) is connected to a pressing block (402).

3. The rhythmic sofa with adjustable lying angle according to claim 2, characterized in that: An extension frame (3) extending to the outside is arranged on the inner side of the support frame (1) and located below the seat cushion (5); a foot pad (301) is arranged on the top end of the extension frame (3) and located on one side of the seat cushion (5); sliding blocks (302) extending to the inside of the guide groove (108) are welded to both ends of the extension frame (3); a threaded rod (303) is inserted through the inside of the support frame (1) and located below the seat cushion (5); a threaded block (304) sleeved on the outer wall of the threaded rod (303) is welded to the bottom end of the extension frame (3).

4. The rhythmic sofa with adjustable lying angle according to claim 3, characterized in that: The outer wall of the threaded rod (303) is located on one side of the threaded block (304) and is sleeved with a connecting frame (305); the outer wall of the threaded rod (303) is located inside the connecting frame (305) and is welded with a first bevel gear (306); the inside of the connecting frame (305) is located on one side of the first bevel gear (306) and is provided with a second bevel gear (307); one end of the second bevel gear (307) is welded with a connecting rod (308) extending to the outside of the connecting frame (305); one end of the connecting rod (308) is welded with a second rotating block (309).

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