Four Limb Swinging Fitness Bed

Abstract

The four-limb swing fitness bed comprises a fixed frame, a horizontally arranged rectangular frame is installed on the upper end of the fixed frame, and a transverse frame which can move along the length direction of the rectangular frame is installed on the outer periphery of the rectangular frame. The positive effect of the present invention is that the four-limb swing fitness bed described in the present invention can assist the user to complete the flexion, extension and lifting of the upper arm, the flexion, extension and lifting of the leg and massage by moving the matched rectangular frame and the transverse frame. The body can lie on the bed without any effort, and the functions of the bed body parts can drive the human body to move. At the same time, multiple parts of the body can be exercised, stretching, swinging, massaging, moving the limbs joints, relaxing the muscles of the whole body, promoting blood circulation, accelerating metabolism, and achieving the purpose of strengthening the body.

Description

Technical Field

[0001] The invention relates to the technical field of sports and fitness equipment, in particular to a four-limb swing fitness bed. Background Art

[0002] With the development of society and the continuous improvement of living standards, the proportion of obese people is growing, and the health problems caused by obesity are increasing. Some people are the main labor force in the family, they have great work pressure, irregular diet, and their bodies are in a state of fatigue for a long time, and sub-health problems are prominent. Some people work long hours and sit for a long time, which leads to varying degrees of neck, shoulder, waist, and leg diseases, affecting their work and life quality.

[0003] The existing fitness bed equipment has a relatively single function and can only play the purpose of local exercise. It has no limb stretching and swinging functions, and cannot achieve the effect of quickly relaxing the muscles of the whole body, relieving physical fatigue, and regulating body functions. Summary of the invention

[0004] In order to solve the above problems, the purpose of the present invention is to provide a limb swinging fitness bed, which can perform various types of fitness exercises for people of different heights, different body shapes and different needs. The fitness bed has multiple functions such as upper limb stretching, traction and swinging, lower limb lifting, swinging and massage, allowing users to exercise easily without any effort, achieving the purpose of moving the joints of the limbs, relaxing the muscles of the limbs and promoting blood circulation. The fitness bed is suitable for various places and people such as rehabilitation centers, nursing homes, gymnastics training halls, gyms and families.

[0005] The technical solution adopted by the present invention to solve its technical problems is: a four-limb swinging fitness bed described in the present invention includes a fixed frame, a horizontally arranged rectangular frame is installed on the upper end of the fixed frame, and a transverse frame that can move along the length direction of the rectangular frame is installed on the outer periphery of the rectangular frame. The transverse frame is connected to a reciprocating mechanism, which can drive the transverse frame to reciprocate around the outer periphery of the rectangular frame. An arm raising device is also installed at the front end of the transverse frame, and the arm raising device includes a first U-shaped frame hinged at both sides of the transverse frame, and a first longitudinal rotating shaft is installed at the front end of the fixed frame. Both side edges of the first U-shaped frame are respectively connected to the first longitudinal rotating shaft through a first connecting rod, one end of the first connecting rod is hinged on the first U-shaped frame, and the other end of the first connecting rod is fixed on the first longitudinal rotating shaft.

[0006] Furthermore, first sliding sleeves are installed at the bottom of both sides of the first U-shaped frame, and matching first positioning holes are provided on the first sliding sleeve and the first U-shaped frame. One end of the first sliding sleeve is hinged on the transverse frame, and the other end of the first sliding sleeve is fixedly connected to the first U-shaped frame. Second sliding sleeves matching the first connecting rod are installed at both ends of the first longitudinal rotating shaft, and matching second positioning holes are provided on the second sliding sleeve and the first connecting rod. One end of the first connecting rod is hinged on the first sliding sleeve, and the other end of the first connecting rod is fixedly connected to the second sliding sleeve.

[0007] Furthermore, a leg massage device is installed at the rear end of the transverse frame, and the leg massage device includes a second U-shaped frame hinged at both sides of the transverse frame, and a second longitudinal rotating shaft is installed at the rear end of the fixed frame. The two side edges of the second U-shaped frame are respectively connected to the second longitudinal rotating shaft through second connecting rods, one end of the second connecting rod is hinged on the second U-shaped frame, and the other end of the second connecting rod is fixed on the second longitudinal rotating shaft. Leg massage rollers are also installed between the two side edges of the second U-shaped frame.

[0008] Furthermore, a third sliding sleeve is installed at the bottom of both sides of the second U-shaped frame, and matching third positioning holes are provided on the third sliding sleeve and the second U-shaped frame. One end of the third sliding sleeve is hinged on the transverse frame, and the other end of the third sliding sleeve is fixedly connected to the second U-shaped frame. Fourth sliding sleeves matching the second connecting rod are installed at both ends of the second longitudinal rotating shaft, and matching fourth positioning holes are provided on the fourth sliding sleeve and the second connecting rod. One end of the second connecting rod is hinged on the fourth sliding sleeve, and the other end of the second connecting rod is fixedly connected to the fourth sliding sleeve.

[0009] Furthermore, fifth sliding sleeves matching the two side edges of the second U-shaped frame are installed at both ends of the leg massage roller, matching fifth positioning holes are provided on the fifth sliding sleeve and the second U-shaped frame, and a curved beam inclined toward the front end is also provided at the upper end of the second U-shaped frame.

[0010] Furthermore, the reciprocating mechanism includes a motor and a turntable mounted on a fixed frame, the output shaft of the motor is connected to the turntable through a conveyor belt, a third connecting rod is provided on the turntable, one end of the third connecting rod is hinged on the turntable, and the other end of the third connecting rod is hinged on the transverse frame.

[0011] Furthermore, at least two hinged seats are installed along the diameter of the turntable, the third connecting rod is connected to the hinged seat through a ball joint, and a flip hinge is installed between the third connecting rod and the ball joint.

[0012] The positive effect of the present invention is that the limb swing fitness bed described in the present invention, through the moving matching rectangular frame and the horizontal movement frame, enables the arm extension device and the leg massage device to assist the user to complete the flexion, extension, lifting and massage of the upper arms, the flexion, extension, lifting and massage of the legs. The body can lie on the bed without effort, and the functions of the bed body parts can drive the human body to move. At the same time, it can exercise multiple parts of the body, realize stretching, swinging, massaging, moving the limbs joints, relaxing the muscles of the whole body, promoting blood circulation, accelerating metabolism, and achieving the purpose of strengthening the body. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the present invention;

[0014] Figure 2 It is a front view of the present invention;

[0015] Figure 3 yes Figure 2 A top view of

[0016] Figure 4 yes Figure 2 Right view of;

[0017] Figure 5 yes Figure 2 An enlarged view of the AA section view;

[0018] Figure 6 It is a schematic diagram of the structure of the arm extension device;

[0019] Figure 7 yes Figure 6 A partial enlarged view of middle I;

[0020] Figure 8 yes Figure 6 A partial enlarged view of middle II;

[0021] Fig. 9 is a schematic diagram of the structure of a leg massage device;

[0022] Fig.10 yes Fig. 9 A partial enlarged view of middle III;

[0023] Fig.11 yes Fig. 9 A partial enlarged view of middle IV;

[0024] Fig.12 It is a schematic diagram of the connection state between the reciprocating mechanism and the transverse movement frame;

[0025] Fig.13 It is a structural schematic diagram of a reciprocating mechanism;

[0026] Fig.14 is a schematic diagram of the structure of a latch positioning device;

[0027] Fig.15 It is another structural schematic diagram of a latch positioning device.

[0028] In the figure, 1 a fixed frame 11 a rectangular frame 13 a transverse frame 2 a reciprocating mechanism 21 a motor 22 a turntable 23 a conveyor belt 24 a third connecting rod 25 a hinge seat 26 a ball joint 27 a flip hinge 3 an arm lifting device 31 a first U-shaped frame 32 a first longitudinal rotating shaft 33 a first connecting rod 34 a first positioning hole 35 a second sliding sleeve 36 a second positioning hole 37 a first sliding sleeve 5 a leg massage device 51 a second U-shaped frame 52 a second longitudinal rotating shaft 53 a second connecting rod 54 a leg massage roller 55 a third sliding sleeve 56 a fourth sliding sleeve 57 a fourth positioning hole 58 a fifth sliding sleeve 59 a fifth positioning hole 510 a curved beam 511 a third positioning hole 81 a vertical plate 82 a first guide cylinder 83 a second guide cylinder 84 an L-shaped latch 85 a vertical groove 86 a vertical guide sleeve 87 a spring 88 a vertical rod 89 a limiting plate. DETAILED DESCRIPTION

[0029] The limb swing fitness bed described in the present invention is as follows: Figure 1 As shown, it includes a fixing frame (1), which is installed on the ground. Universal wheels can also be installed at the bottom of the fixing frame (1) to facilitate the movement of the entire device. Figure 5 As shown, a horizontally arranged rectangular frame (11) is installed on the upper end of the fixed frame (1), and a transverse frame (13) capable of moving along the length direction of the rectangular frame (11) is installed on the outer periphery of the rectangular frame (11), and the transverse frame (13) is connected to a reciprocating mechanism (2), and the reciprocating mechanism (2) can drive the transverse frame (13) to reciprocate on the outer periphery of the rectangular frame (11). The reciprocating mechanism (2) can be an existing crank connecting rod mechanism, cam mechanism or grooved wheel mechanism.

[0030] like Figure 6 As shown, an arm extension device (3) is also installed at the front end of the transverse frame (13) to facilitate the user to perform flexion, extension and lifting exercises of the upper limbs. The arm extension device (3) includes a first U-shaped frame (31) hinged at both sides of the transverse frame (13), and a first longitudinal rotation shaft (32) is installed at the front end of the fixed frame (1). The two side edges of the first U-shaped frame (31) are respectively connected to the first longitudinal rotation shaft (32) through a first connecting rod (33), one end of the first connecting rod (33) is hinged on the first U-shaped frame (31), and the other end of the first connecting rod (33) is fixed to the first longitudinal rotation shaft (32).

[0031] The first longitudinal rotating shaft (32) on the arm extension device (3) is relatively fixed to the fixed frame (1), and the bottom of the first U-shaped frame (31) is installed on the transverse moving frame (13) and can move laterally with it. Figure 2 When the first U-shaped frame (31) moves rightward in the direction shown, the hinged position at the bottom of the first U-shaped frame (31) moves rightward together, and the first connecting rod (33) rotates counterclockwise around the first longitudinal rotation axis (32). As the transverse frame (13) continues to move rightward, the first U-shaped frame (31) is gradually pushed to rotate in the direction shown. Figure 2 The arm extension device (3) swings leftward in the direction shown. When the transverse frame (13) moves leftward, the first connecting rod (33) rotates clockwise around the first longitudinal rotation axis (32). As the transverse frame (13) continues to move leftward, the first U-shaped frame (31) is gradually pushed to swing rightward. Driven by the reciprocating mechanism (2), the arm extension device (3) can complete the reciprocating swing to both sides. When the user's upper limbs grasp the first U-shaped frame (31), the flexion, extension and lifting exercise of the upper limbs is completed.

[0032] Furthermore, in order to enable the height position of the first U-shaped frame (31) to meet the needs of users with different arm lengths, Figure 7 As shown, first sliding sleeves (37) are installed at the bottoms of both sides of the first U-shaped frame (31), and matching first positioning holes (34) are provided on the first sliding sleeve (37) and the first U-shaped frame (31). One end of the first sliding sleeve (37) is hinged on the transverse frame (13), and the other end of the first sliding sleeve (37) is fixedly connected to the first U-shaped frame (31). By adjusting the different positions of the first positioning holes (34) between the first sliding sleeve (37) and the first U-shaped frame (31), the height of the entire first U-shaped frame (31) can be adjusted as needed, thereby meeting the needs of users with different arm lengths.

[0033] Furthermore, in order to enable the arm-lifting device (3) to swing with different amplitudes during the reciprocating movement of the transverse frame (13), Figure 8 As shown, a second sliding sleeve (35) matched with the first connecting rod (33) is installed at both ends of the first longitudinal rotating shaft (32), and a second positioning hole (36) matched with the second sliding sleeve (35) and the first connecting rod (33) is provided, one end of the first connecting rod (33) is hinged on the first sliding sleeve (37), and the other end of the first connecting rod (33) is fixedly connected with the second sliding sleeve (35). By adjusting the length of the first connecting rod (33) extending out of the second sliding sleeve (35), the hinge length between the first U-shaped frame (31) and the first longitudinal rotating shaft (32) can be adjusted, so that the reciprocating swing amplitude of the first U-shaped frame (31) can be adjusted during the reciprocating movement of the transverse frame (13), so as to meet different exercise amounts during the upper limb flexion and extension exercise.

[0034] A leg massage device (5) is installed at the rear end of the transverse frame (13), which can be used by the user to perform a swing massage of the lower limbs in an inverted position, squat to exercise the knee joints and hip joints, and massage the legs and soles of the feet. Fig. 9 As shown, the leg massage device (5) comprises a second U-shaped frame (51) hinged at two sides of the transverse frame (13), a second longitudinal rotating shaft (52) is installed at the rear end of the fixed frame (1), two side edges of the second U-shaped frame (51) are respectively connected to the second longitudinal rotating shaft (52) through a second connecting rod (53), one end of the second connecting rod (53) is hinged on the second U-shaped frame (51), and the other end of the second connecting rod (53) is fixed on the second longitudinal rotating shaft (52), and a leg massage roller (54) is also installed between the two side edges of the second U-shaped frame (51).

[0035] The second longitudinal rotating shaft (52) on the leg massage device (5) is relatively fixed to the fixed frame (1), and the bottom of the second U-shaped frame (51) is installed on the transverse moving frame (13) and can move laterally with it. Figure 2 When the second U-shaped frame (51) moves rightward in the direction shown, the hinged position at the bottom of the second U-shaped frame (51) moves rightward together, and the second connecting rod (53) rotates clockwise around the second longitudinal rotation axis (52). As the transverse frame (13) continues to move rightward, the second U-shaped frame (51) is gradually pushed to Figure 2 The leg massage device (5) swings leftward in the direction shown. When the transverse frame (13) moves leftward, the second connecting rod (53) rotates counterclockwise around the second longitudinal rotation axis (52). As the transverse frame (13) continues to move leftward, the second U-shaped frame (51) is gradually pushed to swing rightward. Driven by the reciprocating mechanism (2), the leg massage device (5) can complete the reciprocating swing to both sides. When the user's legs are placed on the massage rollers (54), the flexion, extension and lifting exercise of the lower limbs can be completed.

[0036] Furthermore, in order to enable the height position of the second U-shaped frame (51) to meet the needs of users with different leg lengths, Fig.10 As shown, the bottoms of both sides of the second U-shaped frame (51) are equipped with third sliding sleeves (55), and the third sliding sleeves (55) and the second U-shaped frame (51) are provided with matching third positioning holes (511). One end of the third sliding sleeve (55) is hinged on the transverse frame (13), and the other end of the third sliding sleeve (55) is fixedly connected to the second U-shaped frame (51). By adjusting the different positions of the third positioning holes (511) between the third sliding sleeve (55) and the second U-shaped frame (51), the height of the entire second U-shaped frame (51) can be adjusted as needed, thereby meeting the needs of users with different leg lengths.

[0037] Furthermore, in order to enable the leg massage device (5) to swing with different amplitudes during the reciprocating movement of the transverse frame (13), Fig.11 As shown, a fourth sliding sleeve (56) matched with the second connecting rod (53) is installed at both ends of the second longitudinal rotating shaft (52), and a fourth positioning hole (57) matched with the fourth sliding sleeve (56) and the second connecting rod (53) is provided, one end of the second connecting rod (53) is hinged on the fourth sliding sleeve (56), and the other end of the second connecting rod (53) is fixedly connected to the fourth sliding sleeve (56). By adjusting the length of the second connecting rod (53) extending out of the fourth sliding sleeve (56), the hinge length between the second U-shaped frame (51) and the second longitudinal rotating shaft (52) can be adjusted, so that the reciprocating swing amplitude of the second U-shaped frame (51) can be adjusted during the reciprocating movement of the transverse frame (13) to meet different exercise amounts during the lower limb flexion and extension exercise.

[0038] Furthermore, in order to adjust the height of the leg massage roller (54) as needed so as to massage the user's legs or soles, the two ends of the leg massage roller (54) are provided with fifth sliding sleeves (58) matched with the two sides of the second U-shaped frame (51), and the fifth sliding sleeve (58) and the second U-shaped frame (51) are provided with matching fifth positioning holes (59). By selecting the matching fifth positioning holes (59) at different heights, the height of the leg massage roller (54) on the second U-shaped frame (51) can be adjusted to meet the needs of users of different heights. A curved beam (510) inclined toward the front end is also provided at the upper end of the second U-shaped frame (51). The provision of the curved beam (510) increases the space for the user's leg movement, so as to facilitate exercises such as bending the knees and stretching the legs.

[0039] like Fig.12 As shown, the reciprocating mechanism (2) comprises a motor (21) and a turntable (22) mounted on a fixed frame (1), the output shaft of the motor (21) is connected to the turntable (22) through a conveyor belt (23), a third connecting rod (24) is provided on the turntable (22), one end of the third connecting rod (24) is hinged on the turntable (22), and the other end of the third connecting rod (24) is hinged on the transverse frame (13). The turntable (22) and the third connecting rod (24) are arranged similarly to a crank connecting rod, and can drive the transverse frame (13) to reciprocate under the drive of the motor (21), and the motor (21) can adjust the movement speed according to different needs.

[0040] Furthermore, in order to adjust the transmission ratio between the rotating disk (22) and the third connecting rod (24), the length of the reciprocating movement of the traverse frame (13) is adjusted, such as Fig.13As shown, at least two hinge seats (25) are installed along the diameter position of the turntable (22), and the third connecting rod (24) is connected to the hinge seat (25) through a ball joint (26). The hinge seats (25) at different diameter length positions can drive the third connecting rod (24) to drive the transverse frame (13) to reciprocate at different distances. In order to prevent the ball joint (26) from changing its angle during rotation and thus affecting the connection stability of the third connecting rod (24), a flip hinge (27) is also installed between the third connecting rod (24) and the ball joint (26) to ensure that the ball joint (26) can still maintain transmission continuity with the third connecting rod (24) during rotation, thereby preventing the third connecting rod (24) from bending or torsion deformation.

[0041] The second sliding sleeve (35) and the first connecting rod (33), and the fourth sliding sleeve (56) and the second connecting rod (53) can be fixed directly by positioning pins, or by positioning pins such as Fig.14 The latch positioning device shown in the figure comprises a vertical plate (81) fixedly mounted on the sliding sleeve, a first guide cylinder (82) and a second guide cylinder (83) are mounted on the vertical plate (81) and are concentrically arranged, an L-shaped latch (84) is mounted in the first guide cylinder (82) and the second guide cylinder (83), a vertical groove (85) matching with the L-shaped latch (84) is provided on the side wall of the first guide cylinder (82), and the L-shaped latch (84) can be lowered onto the second guide cylinder (83) and matched with the positioning hole in the sliding sleeve for positioning, and when it is necessary to release the positioning, the L-shaped latch (84) only needs to be lifted onto the first guide cylinder (82), and then rotated at a certain angle to separate the upper end of the L-shaped latch (84) from the vertical groove (85) and placed on the upper part of the first guide cylinder (82).

[0042] Furthermore, in order to facilitate the L-shaped latch (84) to automatically enter the second guide cylinder (83) when it is separated from the first guide cylinder (82), and to prevent the second guide cylinder (83) located in the second guide cylinder (83) from being separated due to vibration or external force, as shown in FIG. Fig.15As shown, a vertical guide sleeve (86) is installed on the first guide cylinder (82), a spring (87) is installed in the vertical guide sleeve (86), a vertical rod (88) is provided at the top end of the L-shaped latch (84), a limit plate (89) is installed on the outer periphery of the vertical rod (88), the spring (87) is located on the outer periphery of the vertical rod (88) above the limit plate (89), and always pushes the L-shaped latch (84) to move downward. When it is necessary to release the fixation between the second sliding sleeve (35) and the first connecting rod (33), and between the fourth sliding sleeve (56) and the second connecting rod (53), the elastic force of the spring (87) is overcome and the L-shaped latch (84) is lifted up to the first guide cylinder (82). When it is necessary to fix, the L-shaped latch (84) is rotated to the position of the vertical groove (85). Under the elastic force of the spring (87), the L-shaped latch (84) is pushed into the second guide cylinder (83) to position it. Due to the elastic force of the spring (87), the L-shaped latch (84) will not be easily separated from the second guide cylinder (83).

[0043] The present invention can also be equipped with a timing device to control the working time of the motor. The user can set the activity time through the control panel or the remote controller, and the motor can stop automatically after the activity time ends.

[0044] The technical solution of the present invention is not limited to the scope of the embodiments described in the present invention. The technical contents not described in detail in the present invention are all well-known technologies.

Claims

1. A limb swing fitness bed, characterized in that: The invention comprises a fixed frame (1), wherein a horizontally arranged rectangular frame (11) is installed at the upper end of the fixed frame (1), and a transverse frame (13) capable of moving along the length direction of the rectangular frame (11) is installed on the outer periphery of the rectangular frame (11), the transverse frame (13) is connected to a reciprocating mechanism (2), and the reciprocating mechanism (2) can drive the transverse frame (13) to reciprocate around the outer periphery of the rectangular frame (11), and an arm extension device (3) is also installed at the front end of the transverse frame (13), and the arm extension device (3) comprises a first U-shaped frame (31) hinged at positions on both sides of the transverse frame (13), and a first longitudinal rotating shaft (32) is installed at the front end of the fixed frame (1), and both side edges of the first U-shaped frame (31) are respectively connected to the first longitudinal rotating shaft (32) through a first connecting rod (33), one end of the first connecting rod (33) is hinged on the first U-shaped frame (31), and the other end of the first connecting rod (33) is fixed on the first longitudinal rotating shaft (32); A leg massage device (5) is installed at the rear end of the transverse frame (13), the leg massage device (5) comprising a second U-shaped frame (51) hinged at two sides of the transverse frame (13), a second longitudinal rotation shaft (52) is installed at the rear end of the fixed frame (1), two side edges of the second U-shaped frame (51) are respectively connected to the second longitudinal rotation shaft (52) via a second connecting rod (53), one end of the second connecting rod (53) is hinged on the second U-shaped frame (51), and the other end of the second connecting rod (53) is fixed on the second longitudinal rotation shaft (52); The bottoms of both sides of the first U-shaped frame (31) are fitted with first sliding sleeves (37), and the first sliding sleeves (37) and the first U-shaped frame (31) are provided with matching first positioning holes (34), one end of the first sliding sleeve (37) is hinged on the transverse frame (13), and the other end of the first sliding sleeve (37) is fixedly connected to the first U-shaped frame (31), and second sliding sleeves (35) matching with the first connecting rod (33) are installed on both ends of the first longitudinal rotating shaft (32), and the second sliding sleeve (35) and the first connecting rod (33) are provided with matching second positioning holes (36), one end of the first connecting rod (33) is hinged on the first sliding sleeve (37), and the other end of the first connecting rod (33) is fixedly connected to the second sliding sleeve (35); A third sliding sleeve (55) is mounted on the bottom of both sides of the second U-shaped frame (51), and a third positioning hole (511) matching with the third sliding sleeve (55) and the second U-shaped frame (51) is provided. One end of the third sliding sleeve (55) is hinged on the transverse frame (13), and the other end of the third sliding sleeve (55) is fixedly connected to the second U-shaped frame (51). Fourth sliding sleeves (56) matching with the second connecting rod (53) are mounted on both ends of the second longitudinal rotating shaft (52), and a fourth positioning hole (57) matching with the fourth sliding sleeve (56) and the second connecting rod (53) is provided. One end of the second connecting rod (53) is hinged on the fourth sliding sleeve (56), and the other end of the second connecting rod (53) is fixedly connected to the fourth sliding sleeve (56). The second sliding sleeve (35) and the first connecting rod (33), and the fourth sliding sleeve (56) and the second connecting rod (53) are fixed by a latch positioning device, wherein the latch positioning device comprises a vertical plate (81) fixedly mounted on the sliding sleeve, wherein a first guide cylinder (82) and a second guide cylinder (83) are mounted on the vertical plate (81) and are concentrically arranged, wherein an L-shaped latch (84) is mounted in the first guide cylinder (82) and the second guide cylinder (83), wherein a vertical groove (85) matching with the L-shaped latch (84) is formed on the side wall of the first guide cylinder (82), and wherein the L-shaped latch (84) can be lowered onto the second guide cylinder (83) and matched with the positioning hole in the sliding sleeve for positioning, and when the positioning needs to be released, the L-shaped latch (84) only needs to be lifted onto the first guide cylinder (82), and then rotated at a certain angle to separate the upper end of the L-shaped latch (84) from the vertical groove (85) and placed on the upper part of the first guide cylinder (82); A leg massage roller (54) is also installed between the two side edges of the second U-shaped frame (51); The reciprocating mechanism (2) comprises a motor (21) and a turntable (22) mounted on a fixed frame (1); an output shaft of the motor (21) is connected to the turntable (22) via a conveyor belt (23); a third connecting rod (24) is provided on the turntable (22); one end of the third connecting rod (24) is hinged on the turntable (22); and the other end of the third connecting rod (24) is hinged on the transverse frame (13); At least two hinge seats (25) are installed along the diameter of the rotating disk (22), and the third connecting rod (24) is connected to the hinge seat (25) through a ball joint (26). A flip hinge (27) is also installed between the third connecting rod (24) and the ball joint (26).

2. A limb swing fitness bed according to claim 1, characterized in that: The two ends of the leg massage roller (54) are provided with fifth sliding sleeves (58) matched with the two side edges of the second U-shaped frame (51); the fifth sliding sleeve (58) and the second U-shaped frame (51) are both provided with matching fifth positioning holes (59); and a curved beam (510) inclined toward the front end is also provided at the upper end of the second U-shaped frame (51).

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