Massage chair with UVB function and use method thereof

Abstract

The invention discloses a massage chair with a UVB function and a use method thereof, and relates to the technical field of massage armchairs, the massage chair comprises a bottom plate, a suspended arc-shaped seat plate is arranged right above the bottom plate, an obliquely distributed head backup plate is fixedly arranged on the rear side edge of the arc-shaped seat plate, and an obliquely distributed leg backup plate is hinged to the front side edge of the arc-shaped seat plate; and a pair of symmetrically distributed pedal baffles is fixedly arranged at the bottom edge of the front surface of the leg backup plate. According to the massage chair, through inclination adjustment and UVB treatment, personalized body support and comfortable sitting posture adjustment are provided, reduction of pressure of muscles and joints is facilitated, the comfort degree and the relaxation degree of the body are improved, and the massage strength and the UVB irradiation time can be adjusted according to the requirements of a user so as to adapt to different body conditions. Meanwhile, UVB illumination treatment can promote synthesis of vitamin D, and bone health is enhanced by promoting synthesis of vitamin D and calcium absorption, so that additional support is provided for rehabilitation of the osteoporosis patient.

Description

Technical Field

[0001] The present invention relates to the technical field of massage chairs, and in particular to a massage chair with UVB function and a use method thereof. Background Art

[0002] Traditional massage chair designs mainly focus on providing users with a comfortable massage experience through mechanical structures, air bags, hot compresses, etc. to relieve physical fatigue and tension, while UVB (ultraviolet B band) has the function of phototherapy for the skin.

[0003] As disclosed in a Chinese utility model patent, a massage chair with new energy-assisted therapy function (publication number: CN203220540U) includes a massage chair body, a massager arranged on the massage chair body, and a base arranged at the bottom of the massage chair body. The massage chair body is connected to a solar therapy device, which includes a solar panel, a battery, an inverter, and an infrared therapy lamp.

[0004] Traditional massage chairs are usually just simple mechanical adjustments, which have poor adjustment effects and cannot meet the needs of use. They also do not have UVB treatment functions. The massage method is relatively inefficient and requires a long time of massage to achieve the desired effect. It is extremely time-consuming and not suitable for promotion and use. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings existing in the prior art, and to propose a massage chair with UVB function and a method of using the same. Under the joint action of a pair of first UVB light bands and a pair of second UVB light bands, UVB light treatment is performed on the user's limbs simultaneously, thereby promoting the synthesis of vitamin D and calcium absorption, enhancing bone health, and thus providing additional support for the rehabilitation of osteoporosis patients.

[0006] In order to solve the problems existing in the prior art, the present invention adopts the following technical solutions: A massage chair with UVB function, comprising a bottom plate, a suspended arc seat plate is provided directly above the bottom plate, a head support plate distributed obliquely is fixedly provided on the rear side of the arc seat plate, a leg support plate distributed obliquely is hingedly provided on the front side of the arc seat plate, and a pair of symmetrically distributed footrest baffles are fixedly provided on the front bottom edge of the leg support plate; A pair of symmetrically distributed support plates are fixed on both sides of the top surface of the bottom plate, and a trapezoidal channel steel is fixed on the top end of each support plate. A pair of symmetrically distributed U-shaped sliding bars are fixed on both sides of the bottom surface of the arc-shaped seat plate, and each U-shaped sliding bar is connected to the corresponding trapezoidal channel steel through a limit assembly; A pair of first ear seats are fixedly arranged on the front side of the bottom of the arc-shaped seat plate, a first pin shaft is rotatably inserted into the bottom end of each of the first ear seats, and a pair of second parallel connecting rods distributed in parallel are hingedly arranged at the two ends of each of the first pin shafts; Two pairs of third ear seats are fixedly provided on both sides of the top surface of the base plate, and a movable hinged electric telescopic cylinder is provided between each pair of the third ear seats. A second pin shaft is rotatably inserted at the end of the telescopic rod of each electric telescopic cylinder, and each of the second pin shafts extends between the bottoms of the corresponding pair of second parallel connecting rods, and the two ends of each second pin shaft are respectively hingedly inserted on the bottom ends of the pair of second parallel connecting rods.

[0007] Preferably, a pair of symmetrically distributed fixing ear seats are fixed at the two corners of the front side of the arc-shaped seat plate, the top of the leg support plate is hinged with a penetrating fixing shaft, the two ends of the fixing shaft are respectively inserted into a pair of fixing ear seats, and a pair of symmetrically distributed fixing wheels are rotatably installed at the two corners of the bottom of the leg support plate.

[0008] Preferably, the limiting assembly includes a limiting pulley, and limiting pulleys are rotatably installed at the top and bottom corners of the trapezoidal channel steel. The middle section of the U-shaped slide rod is in the shape of an arc rod, which is parallel to the arc-shaped seat plate. The U-shaped slide rod passes through the trapezoidal channel steel and slides against the three limiting pulleys.

[0009] Preferably, a pair of symmetrically distributed U-shaped handrails are fixed on both sides of the top surface of the arc-shaped seat plate and the head support plate, and the inner side surface of each U-shaped handrail is provided with a first strip groove, and a first UVB light band is installed inside each of the first strip grooves.

[0010] Preferably, a pair of symmetrically distributed U-shaped baffles are fixedly provided on both sides of the front side of the leg support plate, and a second strip groove is opened on the inner side of each of the U-shaped baffles, and a second UVB light band is installed inside each of the second strip grooves.

[0011] Preferably, a pair of symmetrically distributed triangular connecting plates are hingedly provided at both ends of the first pin shaft, the pair of triangular connecting plates are located in the gap between the first ear seat and the pair of second parallel connecting rods, and the bottom ends of the pair of triangular connecting plates are fixed with a through-distributed limit pin shaft.

[0012] Preferably, a pair of symmetrically distributed limit plates are fixed on both sides of the back side of the leg support plate, each of the limit plates is provided with an elliptical pin hole, the bottom ends of each pair of triangular connecting plates are respectively on both sides of the corresponding limit plates, and the middle part of each limit pin shaft is slidably inserted in the corresponding elliptical pin hole.

[0013] Preferably, a pair of symmetrically distributed second ear seats are fixed to the front side of the top surface of the base plate, and a third pin shaft is rotatably inserted in the top end of each of the second ear seats. The two ends of each of the third pin shafts are hingedly provided with a pair of parallel distributed first parallel connecting rods, and the pair of first parallel connecting rods are located in the gap between the end of the telescopic rod of the electric telescopic cylinder and the pair of second parallel connecting rods. The two ends of each of the second pin shafts are respectively hingedly inserted in the middle and upper parts of the pair of first parallel connecting rods.

[0014] Preferably, a movably hinged articulated link is provided between the top ends of each pair of the first parallel links, the top end of each articulated link extends between the middle corners of a corresponding pair of triangular connecting plates, and the top end of each articulated link is movably hinged to a pair of triangular connecting plates.

[0015] The present invention also proposes a method for using a massage chair with UVB function, comprising the following steps: Step 1: The user lies on the curved seat board, with legs resting on the leg rest board, feet stepping on a pair of footrest baffles, head resting on the head rest board, and arms placed on a pair of U-shaped handrails; Step 2: Under the driving action of a pair of electric telescopic cylinders, the telescopic rods of the electric telescopic cylinders slowly extend, and under the cooperation of the hinge action, drive a pair of first parallel connecting rods to hinge and swing forward along the second ear seat; A pair of first parallel connecting rods drives the first ear seat and the arc-shaped seat plate to lift upward through a pair of second parallel connecting rods, and simultaneously drives the U-shaped sliding rod to slide forward along the limiting pulley, so that the arc-shaped seat plate tilts backward and is in a horizontal state; Step 3: A pair of first parallel connecting rods drive a pair of triangular connecting plates to swing forward along the first ear seat through the hinged connecting rod, and drive the limit pin shaft to slide outward along the elliptical sliding hole, and drive the leg support plate and the fixed shaft to swing forward along the pair of fixed ear seats, so that the leg support plate and the arc-shaped seat plate are in a horizontal state, and drive the user to lie flat; Step 4: Under the joint action of a pair of first UVB light bands and a pair of second UVB light bands, UVB light treatment is simultaneously performed on the user's limbs to achieve the purpose of treating certain skin problems.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the user is in a lying position. Through the hinged action of the first parallel link, the second parallel link, the hinged link, and the triangular connecting plate, the leg support plate and the arc-shaped seat plate can be driven to a horizontal state, and the user can be driven to lie flat. The appropriate tilt angle can provide better body support, help improve blood circulation, relieve muscle tension and soreness, and facilitate the user to use the massage chair at a more comfortable angle.

[0017] 2. In the present invention, under the joint action of a pair of first UVB light bands and a pair of second UVB light bands, UVB light treatment is performed on the user's limbs simultaneously. UVB light can penetrate the surface of the skin, has a certain effect on certain skin problems, and can promote the synthesis of vitamin D to achieve the purpose of treating certain skin problems. At the same time, the present invention can also enhance bone health by promoting the synthesis of vitamin D and calcium absorption, thereby providing additional support for the rehabilitation of osteoporosis patients.

[0018] In summary, the massage chair of the present invention provides personalized body support and comfortable sitting posture adjustment through tilt adjustment and UVB treatment, which helps to reduce muscle and joint pressure and improve body comfort and relaxation. It can also adjust the massage intensity and UVB irradiation time according to one's own needs to adapt to different physical conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings: Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a rear view schematic diagram of the overall structure of the present invention; Figure 3 It is an exploded schematic diagram of the overall structure of the present invention; Figure 4 It is an exploded schematic diagram of the bottom plate, the arc-shaped seat plate, and the head support plate structure of the present invention; Figure 5 It is an exploded schematic diagram of the leg support plate structure of the present invention; Figure 6 It is a schematic diagram of the structure of the first parallel connecting rod, the second parallel connecting rod, the hinged connecting rod and the triangular connecting plate of the present invention; Serial numbers in the figure: 1. bottom plate; 2. arc seat plate; 3. head support plate; 4. U-shaped slide bar; 5. support plate; 6. trapezoidal channel steel; 7. limit pulley; 8. U-shaped handrail; 9. first UVB light belt; 10. fixed ear seat; 11. fixed shaft; 12. leg support plate; 13. U-shaped baffle; 14. second UVB light belt; 15. foot baffle; 16. fixed wheel; 17. limit plate; 18. first ear seat; 19. triangular connecting plate; 20. limit pin; 21. hinged connecting rod; 22. second ear seat; 23. first parallel connecting rod; 24. third ear seat; 25. electric telescopic cylinder; 26. second parallel connecting rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] Embodiment 1: This embodiment provides a massage chair with UVB function, see Figure 1-6 Specifically, it comprises a bottom plate 1, a suspended arc seat plate 2 is provided directly above the bottom plate 1, a head support plate 3 which is obliquely distributed is fixedly provided on the rear side of the arc seat plate 2, a leg support plate 12 which is obliquely distributed is hingedly provided on the front side of the arc seat plate 2, and a pair of symmetrically distributed footrest baffles 15 are fixedly provided on the front bottom edge of the leg support plate 12; A pair of symmetrically distributed support plates 5 are fixed on both sides of the top surface of the bottom plate 1, and a trapezoidal channel steel 6 is fixed on the top of each support plate 5. A pair of symmetrically distributed U-shaped sliding bars 4 are fixed on both sides of the bottom surface of the arc-shaped seat plate 2, and each U-shaped sliding bar 4 is connected to the corresponding trapezoidal channel steel 6 through a limit assembly; A pair of first ear seats 18 are fixedly provided on the front side of the bottom of the arc-shaped seat plate 2. A first pin is rotatably inserted at the bottom end of each first ear seat 18. A pair of second parallel connecting rods 26 are hingedly provided at both ends of each first pin. The pair of first parallel connecting rods 23 drives the first ear seats 18 and the arc-shaped seat plate 2 to lift upward through the pair of second parallel connecting rods 26. Two pairs of third ear seats 24 are fixedly provided on both sides of the top surface of the base plate 1, and a movable hinged electric telescopic cylinder 25 is provided between each pair of third ear seats 24. A second pin shaft is rotatably inserted at the end of the telescopic rod of each electric telescopic cylinder 25, and each second pin shaft extends between the bottoms of the corresponding pair of second parallel connecting rods 26, and the two ends of each second pin shaft are respectively hingedly inserted on the bottom ends of a pair of second parallel connecting rods 26. Under the driving action of the pair of electric telescopic cylinders 25, the telescopic rod of the electric telescopic cylinder 25 slowly extends.

[0022] Embodiment 2: Based on Embodiment 1, this embodiment further includes: In the specific implementation process, Figure 3 and Figure 4 As shown, a pair of symmetrically distributed fixing ears 10 are fixed at the two corners of the front side of the arc-shaped seat plate 2, a fixed shaft 11 is hingedly provided on the top of the leg support plate 12 and is distributed through, and the two ends of the fixed shaft 11 are respectively inserted into the pair of fixing ears 10, and a pair of symmetrically distributed fixing wheels 16 are rotatably installed at the two corners of the bottom of the leg support plate 12, and the fixing wheels 16 are used to balance the stability of the leg support plate 12 when it contacts the ground; The limiting assembly includes a limiting pulley 7, and the limiting pulleys 7 are rotatably installed at the top and bottom corners of the trapezoidal channel steel 6. The middle section of the U-shaped slide bar 4 is in the shape of an arc rod, which is parallel to the arc-shaped seat plate 2. The U-shaped slide bar 4 penetrates the trapezoidal channel steel 6 and slides against the three limiting pulleys 7; The arc-shaped seat plate 2 is lifted upward, and simultaneously drives the U-shaped slide bar 4 to slide forward along the limiting pulley 7, so that the arc-shaped seat plate 2 tilts backward and is in a horizontal state.

[0023] Embodiment 3: Based on Embodiment 2, this embodiment further includes: In the specific implementation process, Figure 4 and Figure 5 As shown, a pair of symmetrically distributed U-shaped support bars 8 are fixed on both sides of the top surface of the arc-shaped seat plate 2 and the head support plate 3, and a first strip groove is opened on the inner side of each U-shaped support bar 8, and a first UVB light band 9 is installed inside each first strip groove; A pair of symmetrically distributed U-shaped baffles 13 are fixedly provided on both sides of the front of the leg support plate 12. A second strip groove is provided on the inner side of each U-shaped baffle 13. A second UVB light band 14 is installed inside each second strip groove. Under the joint action of a pair of first UVB light bands 9 and a pair of second UVB light bands 14, UVB light therapy is simultaneously performed on the user's limbs to achieve the purpose of treating certain skin problems. At the same time, UVB light therapy can promote the synthesis of vitamin D, and by promoting the synthesis of vitamin D and calcium absorption, enhance bone health, thereby providing additional support for the rehabilitation of osteoporosis patients.

[0024] Embodiment 4: Based on Embodiment 3, this embodiment further includes: In the specific implementation process, Figure 3 and Figure 6 As shown, a pair of symmetrically distributed triangular connecting plates 19 are hingedly provided at both ends of the first pin shaft, and the pair of triangular connecting plates 19 are located in the gap between the first ear seat 18 and the pair of second parallel connecting rods 26, and the bottom ends of the pair of triangular connecting plates 19 are fixedly provided with a through-distributed limiting pin shaft 20, and the pair of first parallel connecting rods 23 drive the pair of triangular connecting plates 19 to hinge and swing forward along the first ear seat 18 through the hinged connecting rod 21; A pair of symmetrically distributed limit plates 17 are fixed on both sides of the back of the leg support plate 12, and each limit plate 17 is provided with an elliptical pin hole. The bottom ends of each pair of triangular connecting plates 19 are respectively on both sides of the corresponding limit plates 17, and the middle part of each limit pin shaft 20 is slidably inserted in the corresponding elliptical pin hole. The limit pin shaft 20 slides outward along the elliptical sliding hole, and drives the leg support plate 12 and the fixed shaft 11 to swing forward along the pair of fixed ear seats 10. A pair of symmetrically distributed second ear seats 22 are fixedly provided on the front side of the top surface of the bottom plate 1, and a third pin shaft is rotatably inserted at the top end of each second ear seat 22, and a pair of parallel first parallel connecting rods 23 are hingedly provided at both ends of each third pin shaft, and the pair of first parallel connecting rods 23 are located in the gap between the end of the telescopic rod of the electric telescopic cylinder 25 and the pair of second parallel connecting rods 26, and the two ends of each second pin shaft are respectively hingedly inserted in the middle and upper parts of the pair of first parallel connecting rods 23, and under the cooperation of the hinge action, the pair of first parallel connecting rods 23 are driven to hinge and swing forward along the second ear seat 22; A movably hinged articulated link 21 is provided between the top ends of each pair of first parallel links 23, and the top end of each articulated link 21 extends to between the middle corners of the corresponding pair of triangular connecting plates 19, and the top end of each articulated link 21 is movably hinged to the pair of triangular connecting plates 19, so that the leg support plate 12 and the arc-shaped seat plate 2 are in a horizontal state, and drive the user to lie flat.

[0025] Specifically, the working principle and operation method of the present invention are as follows: Step 1: The user lies on the curved seat plate 2, with legs resting on the leg support plate 12, feet stepping on a pair of footrest baffles 15, head resting on the head support plate 3, and arms placed on a pair of U-shaped handrails 8; Step 2: Under the driving action of the pair of electric telescopic cylinders 25, the telescopic rods of the electric telescopic cylinders 25 slowly extend, and under the cooperation of the hinge action, drive the pair of first parallel connecting rods 23 to hinge and swing forward along the second ear seat 22; A pair of first parallel connecting rods 23 drives the first ear seat 18 and the arc-shaped seat plate 2 to lift upward through a pair of second parallel connecting rods 26, and simultaneously drives the U-shaped sliding rod 4 to slide forward along the limiting pulley 7, so that the arc-shaped seat plate 2 tilts backward and is in a horizontal state; Step 3: A pair of first parallel connecting rods 23 drive a pair of triangular connecting plates 19 to swing forward along the first ear seat 18 through the hinged connecting rod 21, and drive the limit pin 20 to slide outward along the elliptical sliding hole, and drive the leg support plate 12 and the fixed shaft 11 to swing forward along the pair of fixed ear seats 10, so that the leg support plate 12 and the arc-shaped seat plate 2 are in a horizontal state, and drive the user to lie flat; Step 4: Under the joint action of a pair of first UVB light bands 9 and a pair of second UVB light bands 14, UVB light therapy is simultaneously performed on the user's limbs to achieve the purpose of treating certain skin problems. At the same time, UVB light therapy can promote the synthesis of vitamin D, and by promoting the synthesis of vitamin D and calcium absorption, enhance bone health, thereby providing additional support for the rehabilitation of osteoporosis patients.

[0026] The massage chair of the present invention provides personalized body support and comfortable sitting posture adjustment through tilt adjustment and UVB treatment, which helps to reduce the pressure on muscles and joints and improve the comfort and relaxation of the body. The massage intensity and UVB irradiation time can be adjusted according to one's own needs to adapt to different physical conditions.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A massage chair with UVB function, comprising a base plate (1), a suspended arc seat plate (2) is provided directly above the base plate (1), a head support plate (3) distributed obliquely is fixedly provided on the rear side of the arc seat plate (2), a leg support plate (12) distributed obliquely is hingedly provided on the front side of the arc seat plate (2), and a pair of symmetrically distributed footrest baffles (15) are fixedly provided on the front bottom edge of the leg support plate (12), characterized in that: A pair of symmetrically distributed support plates (5) are fixedly provided on both sides of the top surface of the bottom plate (1), and a trapezoidal channel steel (6) is fixedly provided on the top end of each support plate (5). A pair of symmetrically distributed U-shaped sliding bars (4) are fixedly provided on both sides of the bottom surface of the arc-shaped seat plate (2), and each of the U-shaped sliding bars (4) is connected to a corresponding trapezoidal channel steel (6) via a limiting assembly. A pair of first ear seats (18) are fixedly provided on the front side of the bottom of the arc-shaped seat plate (2), a first pin shaft is rotatably inserted into the bottom end of each of the first ear seats (18), and a pair of second parallel connecting rods (26) are hingedly provided at the two ends of each of the first pin shafts; Two pairs of third ear seats (24) are fixedly provided on both sides of the top surface of the bottom plate (1), and a movable hinged electric telescopic cylinder (25) is provided between each pair of the third ear seats (24). A second pin is rotatably inserted at the end of the telescopic rod of each electric telescopic cylinder (25), and each second pin extends between the bottoms of a corresponding pair of second parallel connecting rods (26), and the two ends of each second pin are respectively hingedly inserted on the bottom ends of the pair of second parallel connecting rods (26).

2. The massage chair with UVB function according to claim 1, characterized in that: A pair of symmetrically distributed fixing ears (10) are fixedly provided at two corners of the front side of the arc-shaped seat plate (2); a fixing shaft (11) is hingedly provided on the top of the leg support plate (12) and is distributed therethrough; two ends of the fixing shaft (11) are respectively inserted into the pair of fixing ears (10); and a pair of symmetrically distributed fixing wheels (16) are rotatably installed at two corners of the bottom of the leg support plate (12).

3. The massage chair with UVB function according to claim 2, characterized in that: The limiting assembly comprises a limiting pulley (7), and the limiting pulleys (7) are rotatably mounted at the top and bottom corners of the trapezoidal channel steel (6). The middle section of the U-shaped sliding rod (4) is in the shape of an arc rod, which is parallel to the arc-shaped seat plate (2). The U-shaped sliding rod (4) passes through the trapezoidal channel steel (6) and slides against the three limiting pulleys (7).

4. The massage chair with UVB function according to claim 3, characterized in that: A pair of symmetrically distributed U-shaped support bars (8) are fixedly provided on both sides of the top surfaces of the arc-shaped seat plate (2) and the head support plate (3), and a first strip-shaped groove is provided on the inner side surface of each of the U-shaped support bars (8), and a first UVB light band (9) is installed inside each of the first strip-shaped grooves.

5. The massage chair with UVB function according to claim 4, characterized in that: A pair of symmetrically distributed U-shaped barrier bars (13) are fixedly provided on both sides of the front surface of the leg support plate (12); a second strip groove is provided on the inner side surface of each of the U-shaped barrier bars (13); and a second UVB light band (14) is installed inside each of the second strip grooves.

6. The massage chair with UVB function according to claim 5, characterized in that: A pair of symmetrically distributed triangular connecting plates (19) are hingedly provided at both ends of the first pin shaft, the pair of triangular connecting plates (19) are located in the gap between the first ear seat (18) and the pair of second parallel connecting rods (26), and the bottom ends of the pair of triangular connecting plates (19) are fixedly provided with a through-distributed limiting pin shaft (20).

7. The massage chair with UVB function according to claim 6, characterized in that: A pair of symmetrically distributed limiting plates (17) are fixedly provided on both sides of the back of the leg support plate (12), each limiting plate (17) is provided with an elliptical pin hole, the bottom end of each pair of triangular connecting plates (19) is respectively located on both sides of the corresponding limiting plate (17), and the middle part of each limiting pin shaft (20) is slidably inserted into the corresponding elliptical pin hole.

8. The massage chair with UVB function according to claim 7, characterized in that: A pair of symmetrically distributed second ear seats (22) are fixedly provided on the front side of the top surface of the bottom plate (1); a third pin is rotatably inserted into the top end of each second ear seat (22); a pair of parallel distributed first parallel connecting rods (23) are hingedly provided at both ends of each third pin; the pair of first parallel connecting rods (23) are located in a gap between the end of the telescopic rod of the electric telescopic cylinder (25) and the pair of second parallel connecting rods (26); and the two ends of each second pin are respectively hingedly inserted into the middle and upper parts of the pair of first parallel connecting rods (23).

9. The massage chair with UVB function according to claim 8, characterized in that: A hinged link (21) that is movably hinged is provided between the top ends of each pair of the first parallel links (23), the top end of each hinged link (21) extends between the middle corners of a corresponding pair of triangular connecting plates (19), and the top end of each hinged link (21) is movably hinged to the pair of triangular connecting plates (19).

10. The method for using a massage chair with UVB function according to claim 9, characterized in that: The following steps are involved: Step 1: The user lies on the curved seat plate (2), with both legs resting on the leg support plate (12), both feet stepping on a pair of footrest baffles (15), the head resting on the head support plate (3), and a pair of arms placed on a pair of U-shaped handrails (8); Step 2: under the driving action of the pair of electric telescopic cylinders (25), the telescopic rods of the electric telescopic cylinders (25) slowly extend, and under the cooperation of the hinge action, drive the pair of first parallel connecting rods (23) to hinge and swing forward along the second ear seat (22); A pair of first parallel connecting rods (23) drives the first ear seat (18) and the arc-shaped seat plate (2) to lift upwards through a pair of second parallel connecting rods (26), and simultaneously drives the U-shaped sliding rod (4) to slide forwards along the limiting pulley (7), so that the arc-shaped seat plate (2) tilts backwards and is in a horizontal state; Step 3: A pair of first parallel connecting rods (23) drive a pair of triangular connecting plates (19) to swing forward along the first ear seat (18) through the hinged connecting rod (21), and drive the limit pin shaft (20) to slide outward along the elliptical sliding hole, and drive the leg support plate (12) and the fixed shaft (11) to swing forward along the pair of fixed ear seats (10), so that the leg support plate (12) and the arc-shaped seat plate (2) are in a horizontal state, and drive the user to lie flat; Step 4: Under the joint action of a pair of first UVB light bands (9) and a pair of second UVB light bands (14), UVB light treatment is simultaneously performed on the user's limbs to achieve the purpose of treating certain skin problems.

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