A double four-bar linkage compound swing pedestal mechanism

Abstract

The utility model relates to a double four connecting rod compound swing seat frame mechanism, including the rest and the underframe, its characterized in that still including swing frame and moving frame, the rest is hung on swing frame, and is hinged in swing frame one end, swing frame's other end is hinged on moving frame, the moving frame is located on the underframe, be equipped with with the drive assembly that moving frame connects on the underframe, drive moving frame to slip on the underframe, to drive the rest swing relative to the underframe. Adopt the above technical scheme, the utility model provides a double four connecting rod compound swing seat frame mechanism, and the rest is hung on swing frame, and swing frame and moving frame are hinged, and moving frame slips on the underframe through the slide rail, thereby driving the rest natural swing.

Description

Technical Field

[0001] This utility model relates to the field of massage chair technology, and in particular to a double four-bar composite swing seat mechanism. Background Technology

[0002] As people's demands for comfort increase, chairs have developed many new functions, one of which is the rocking sleep aid function. Most rocking chairs on the market can rock, but the rocking effect is not good. There are short pauses during the rocking, and the rocking is unnatural, failing to provide the natural rocking effect that helps people sleep. Utility Model Content

[0003] The purpose of this utility model is to overcome the defects of the prior art. This utility model provides a double four-bar composite swing frame mechanism. The backrest is suspended on the swing frame, the swing frame is hinged to the moving frame, and the moving frame slides on the base frame through the slide rail, thereby driving the backrest to swing naturally.

[0004] The technical solution of this utility model is as follows: a double four-bar composite swing frame mechanism, including a backrest and a base frame, and also including a swing frame and a movable frame. The backrest is suspended on the swing frame and hinged to one end of the swing frame. The other end of the swing frame is hinged to the movable frame. The movable frame is mounted on the base frame. The base frame is provided with a drive assembly connected to the movable frame, which drives the movable frame to slide on the base frame to drive the backrest to swing relative to the base frame.

[0005] Using the above technical solution, the drive component drives the movable frame to slide on the base frame. The sliding of the movable frame causes the swing frame to swing back and forth. The support frame is suspended on the swing frame, thus causing the support frame to swing. When the support frame swings, it can swing back and forth naturally without jamming.

[0006] A further feature of this invention is that the drive assembly includes a drive box, an adjusting rod, and a crank. The crank is connected to the output end of the drive box, and the two ends of the adjusting rod are respectively connected to the crank and the movable frame, so as to drive the movable frame to slide relative to the base frame when the drive box is working.

[0007] With the above-mentioned further configuration, the input rotary motion can be efficiently converted into linear motion, driving the sliding frame to slide back and forth on the base frame. Furthermore, the crank and connecting rod mechanism can effectively disperse and reduce vibration, reducing the impact of impact force on the drive components, thereby improving stability and lifespan.

[0008] A further feature of this invention is that the swing frame includes two first swing rods located on the front side of the support frame and arranged opposite each other, and two second swing rods located on the rear side of the support frame and arranged opposite each other. One end of each swing rod is hinged to the support frame, and the other end is hinged to the movable frame. The two first swing rods and the two second swing rods are connected by connecting rods.

[0009] Each swing arm includes a vertical part and inclined parts located at both ends of the vertical part. The support frame is connected to the inclined part at the upper end of each swing arm, the moving frame is connected to the inclined part at the lower end of each swing arm, and the end of the connecting rod is connected to the vertical part.

[0010] With the above-mentioned further design, the structure is simple and easy to install, allowing the backrest to be suspended and better driven to swing back and forth.

[0011] A further feature of this invention is that the base frame is provided with a slide rail, and the movable frame is slidably mounted on the slide rail under the action of the drive assembly.

[0012] The above-mentioned further design ensures that the sliding frame slides smoothly and the support frame swings smoothly.

[0013] A further feature of this invention is as follows: the drive box includes a motor, a first worm gear, a first worm, a second worm, and a second worm wheel. The first worm is mounted on the output shaft of the motor, the first worm wheel and the second worm are mounted on a first rotating shaft, the first worm wheel cooperates with the first worm, and the second worm wheel and the crank are mounted on a second rotating shaft, the second worm wheel cooperates with the second worm.

[0014] With the above-mentioned further configuration, the driving force of the motor is transmitted to the worm gear through a worm wheel. The worm wheel has a self-locking function, so it can maintain the current state after the motor stops working.

[0015] A further feature of this invention is that a support frame is connected to the backrest, the support frame includes a frame body and four support rods, the frame body is provided with four hinge seats, the lower end of each support rod is hinged to the corresponding hinge seat, and the upper end of the support rod is hinged to the backrest.

[0016] The frame is equipped with an electric push rod, and the output end of the electric push rod is connected to the support frame.

[0017] With the above-mentioned further configuration, the electric push rod can drive the backrest to move relative to the support frame, thereby adjusting the supine angle. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of a specific embodiment of the present utility model; Figure 2 This is a schematic diagram of the swing frame according to a specific embodiment of the present utility model; Figure 3 This is a schematic diagram of a specific embodiment of the support frame of this utility model; Figure 4 This is a schematic diagram of a movable frame according to a specific embodiment of the present utility model; Figure 5 This is a schematic diagram of the base frame of a specific embodiment of the present utility model; Figure 6 This is a schematic diagram of the driving component according to a specific embodiment of the present utility model; Figure 7 This is a schematic diagram of the mobile frame moving forward relative to the base frame in a specific embodiment of the present invention; Figure 8 This is a schematic diagram showing the movable frame not moving in a specific embodiment of this utility model; Figure 9 This is a schematic diagram of the mobile frame moving backward relative to the base frame in a specific embodiment of this utility model.

[0019] In the diagram, 1. Support frame; 2. Base frame; 21. Slide rail; 3. Swing frame; 31. First swing rod; 32. Second swing rod; 33. Connecting rod; 34. Vertical part; 35. Inclined part; 4. Moving frame; 5. Drive assembly; 51. Drive box; 511. Motor; 512. First worm gear; 513. First worm; 514. Second worm; 515. Second worm gear; 52. Adjusting link; 53. Crank; 6. Support frame; 61. Frame body; 611. Hinge seat; 62. Support rod; 63. Electric push rod. Detailed Implementation

[0020] The technical solutions in this embodiment will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0021] It should be noted that all directional indicators (such as up, down, forward, backward, etc.) in the description of this utility model are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0022] Furthermore, in this utility model, the use of terms such as "first," "second," etc., is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. In the description of this utility model, "a number" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0023] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0024] like Figure 1-9 As shown, a double four-bar composite swing frame mechanism includes a backrest 1 and a base frame 2, as well as a swing frame 3 and a movable frame 4. The backrest 1 is suspended on the swing frame 3 and hinged to one end of the swing frame 3. The other end of the swing frame 3 is hinged to the movable frame 4. The movable frame 4 is located on the base frame 2. The base frame 2 is provided with a drive assembly 5 connected to the movable frame 4. The drive assembly 5 drives the movable frame 4 to slide on the base frame 2, thereby causing the backrest 1 to swing relative to the base frame 2. The drive assembly 5 drives the movable frame 4 to slide on the base frame 2. The sliding of the movable frame 4 causes the swing frame 3 to swing back and forth. The backrest 1 is suspended on the swing frame 3, thus causing the backrest 1 to swing. When the backrest 1 swings, it can swing back and forth naturally without jamming. The backrest 1 is connected to a support frame 6. The support frame 6 includes a frame body 61 and four support rods 62. The frame body 61 is provided with four hinge seats 611. The lower end of each support rod 62 is hinged to the corresponding hinge seat 611, and the upper end of the support rod 62 is hinged to the backrest 1. The frame body 61 is provided with an electric push rod 63. The output end of the electric push rod 63 is connected to the backrest 1. The electric push rod 63 can drive the backrest 1 to move relative to the support frame 6, adjust the supine angle, and drive the moving frame 4 to move, forming the first-level back-and-forth swing of the backrest 1. The electric push rod 63 forms the second-level up-and-down swing of the backrest 1.

[0025] The drive assembly 5 includes a drive housing 51, an adjusting linkage 52, and a crank 53. The crank 53 is connected to the output end of the drive housing 51. The two ends of the adjusting linkage 52 are respectively connected to the crank 53 and the movable frame 4, so that when the drive housing 51 is working, it drives the movable frame 4 to slide relative to the base frame 2. This can efficiently convert the input rotational motion into linear motion, driving the movable frame to slide back and forth on the base frame 2. Furthermore, the crank 53 and the linkage mechanism can effectively disperse and reduce vibration, reducing the impact of impact force on the drive assembly 5, thereby improving stability and lifespan. Specifically, the drive housing 51 includes an electric... The motor 511 comprises a first worm gear 512, a first worm 513, a second worm 514, and a second worm wheel 515. The first worm 513 is mounted on the output shaft of the motor 511. The first worm gear 512 and the second worm 514 are mounted on a first rotating shaft. The first worm gear 512 and the first worm 513 cooperate. The second worm gear 515 and the crank 53 are mounted on a second rotating shaft. The second worm gear 515 and the second worm 514 cooperate. The driving force of the motor 511 is transmitted to the crank 514 through the worm gears. The worm gears have a self-locking function, so they can maintain their current state after the motor 511 stops working.

[0026] The swing frame 3 includes two first swing rods 31 located on the front side of the support frame 1 and arranged opposite each other, and two second swing rods 32 located on the rear side of the support frame 1 and arranged opposite each other. One end of each swing rod is hinged to the support frame 1, and the other end is hinged to the movable frame 4. The two first swing rods 31 and the two second swing rods 32 are connected by connecting rods 33. Each swing rod includes a vertical part 34 and inclined parts 35 located at both ends of the vertical part 34. The support frame 1 is connected to the inclined parts 35 at the upper end of each swing rod, and the movable frame 4 is connected to the inclined parts 35 at the lower end of each swing rod. The end of the connecting rod 33 is connected to the upper part of the vertical part 34. The structure is simple and easy to install, so that the support frame 1 can be suspended and better driven to swing back and forth.

[0027] The base frame 2 is provided with a slide rail 21. The movable frame 4 is slidably mounted on the slide rail 21 under the action of the drive component 5, so that the sliding frame slides smoothly and the support frame 1 swings smoothly.

Claims

1. A double four-bar composite swing seat mechanism, comprising a support frame (1) and a base frame (2), characterized in that, It also includes a swing frame (3) and a movable frame (4). The support frame (1) is suspended on the swing frame (3) and hinged to one end of the swing frame (3). The other end of the swing frame (3) is hinged to the movable frame (4). The movable frame (4) is located on the base frame (2). The base frame (2) is provided with a drive assembly (5) connected to the movable frame (4) to drive the movable frame (4) to slide on the base frame (2) so as to drive the support frame (1) to swing relative to the base frame (2).

2. The double four-bar linkage composite swing frame mechanism according to claim 1, characterized in that, The drive assembly (5) includes a drive box (51), an adjusting rod (52) and a crank (53). The crank (53) is connected to the output end of the drive box (51), and the two ends of the adjusting rod (52) are connected to the crank (53) and the moving frame (4) respectively, so as to drive the moving frame (4) to slide relative to the base frame (2) when the drive box (51) is working.

3. The double four-bar composite swing frame mechanism according to claim 1 or 2, characterized in that, The swing frame (3) includes two first swing rods (31) located on the front side of the support frame (1) and arranged opposite to each other, and two second swing rods (32) located on the rear side of the support frame (1) and arranged opposite to each other. One end of each swing rod is hinged to the support frame (1), and the other end is hinged to the moving frame (4). The two first swing rods (31) and the two second swing rods (32) are connected by connecting rods (33).

4. The double four-bar composite swing frame mechanism according to claim 3, characterized in that, Each swing rod includes a vertical part (34) and an inclined part (35) located at both ends of the vertical part (34). The support frame (1) is connected to the inclined part (35) at the upper end of each swing rod, the moving frame (4) is connected to the inclined part (35) at the lower end of each swing rod, and the end of the connecting rod (33) is connected to the vertical part (34).

5. The double four-bar composite swing frame mechanism according to claim 1 or 2, characterized in that, The base frame (2) is provided with a slide rail (21), and the movable frame (4) is slidably mounted on the slide rail (21) under the action of the drive assembly (5).

6. The double four-bar composite swing frame mechanism according to claim 2, characterized in that, The drive box (51) includes a motor (511), a first worm gear (512), a first worm (513), a second worm (514), and a second worm gear (515). The first worm (513) is located on the output shaft of the motor (511), the first worm gear (512) and the second worm (514) are located on the first rotating shaft, the first worm gear (512) cooperates with the first worm (513), and the second worm gear (515) and the crank (53) are located on the second rotating shaft, the second worm gear (515) cooperates with the second worm (514).

7. The double four-bar composite swing frame mechanism according to claim 1 or 2, characterized in that, The support frame (6) is connected to the backrest (1). The support frame (6) includes a frame body (61) and four support rods (62). The frame body (61) is provided with four hinge seats (611). The lower end of each support rod (62) is hinged to the corresponding hinge seat (611), and the upper end of the support rod (62) is hinged to the backrest (1).

8. The double four-bar composite swing frame mechanism according to claim 7, characterized in that, The frame (61) is equipped with an electric push rod (63), and the output end of the electric push rod (63) is connected to the support frame (1).

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