Fitness rehabilitation chair
By designing a multi-tension mechanism and an ergonomically designed fitness and rehabilitation chair, the problem of the single function of existing fitness and rehabilitation chairs has been solved. It enables multi-body coordinated exercise and improves comfort, and is suitable for scenarios such as home, rehabilitation center and community service station.
Patent Information
- Application Number
- CN202511970944.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-25
- Publication Date
- 2026-01-30
AI Technical Summary
Existing fitness and rehabilitation chairs have limited functions, only targeting the upper or lower limbs for training, and the seating support parts are not ergonomically designed, resulting in poor comfort for users during long-term training sessions.
Design a fitness and rehabilitation chair that employs a multi-tension mechanism and ergonomic design, including tension components that provide synchronized and coordinated training for the hands, feet, and hips. Combined with a detachable upper shell and chassis structure, it enables coordinated exercise of multiple body parts and enhances comfort through ergonomic design.
It enables coordinated exercise of multiple body parts, improves fitness and rehabilitation effects, enhances the adaptability and comfort of the equipment, and is suitable for scenarios such as home, rehabilitation center and community service station.
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Figure CN121422446A_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the technical field of fitness and rehabilitation equipment, and specifically relates to a fitness and rehabilitation chair. Background Technology
[0002] A fitness and rehabilitation chair is a professional piece of equipment that integrates fitness training and rehabilitation therapy. It is designed to improve physical function and assist in rehabilitation training. With the increasing health awareness of the general public, the demand for fitness and rehabilitation equipment is growing day by day.
[0003] CN107693303B discloses a rehabilitation chair that can be used in both sitting and standing positions. This chair achieves switching between sitting and standing training postures through the seat body, lifting mechanism, and armrest assembly, utilizing the tension structure at the armrests for upper limb rehabilitation training. However, it can only target either the upper or lower limbs, resulting in functional limitations. Furthermore, the seat support area is not ergonomically designed, which can easily lead to limb soreness and discomfort during prolonged training.
[0004] This application has the function of enabling coordinated exercise of multiple body parts. Summary of the Invention
[0005] The purpose of this invention is to provide a fitness and rehabilitation chair to solve the technical problems mentioned in the background art.
[0006] To achieve the above objectives, the specific technical solution of the present invention is as follows: A fitness and rehabilitation chair, comprising: The outer shell has a spherical hollow cavity inside. The upper end of the outer shell has a top opening, the bottom end has an air inlet, and the two sides of the outer shell have symmetrical pull rope openings. The inner wall of the outer shell has a rope groove. The bend of the rope groove is rotatably connected to a steering pulley. Both ends of the rope groove are open, and one end is connected to the pull rope opening. The chassis is rotatably connected to the bottom of the outer shell and has a hollow interior. A pair of symmetrically arranged pull-down rope openings are provided on one side of the chassis. A tension assembly, located inside the chassis, includes a frame, a pair of identical and symmetrical hand tension mechanisms, and a pair of identical and symmetrical foot tension mechanisms. The frame is fixedly connected to the inside of the chassis, and a support tube is fixedly connected to the frame. One end of the support tube extends out of the pull-down rope opening, and a bracket pulley is fixedly connected to the extended end. One end of the hand tension mechanism is fixedly connected to the frame, and the other end is connected to the pull-up rope opening. One end of the foot tension mechanism is fixedly connected to the frame, and the other end is connected to the pull-down rope opening.
[0007] Optionally, the hand-pulling mechanism includes a first rigid spring, a first elastic rope, and a first pulley group. The first pulley group is located in the middle of the frame. One end of the first rigid spring is fixedly connected to one side of the frame, and the other end is connected to one end of the first elastic rope. The other end of the first elastic rope passes through the first pulley group, extends into the opening of the rope groove, and extends out from the upper pull rope opening after being turned by the steering pulley. A hand rope loop is fixedly connected to the end of the first elastic rope extending out of the upper pull rope opening. A storage tube is fixedly connected to the outer shell at the upper pull rope opening, and the hand rope loop is sleeved on the storage tube.
[0008] Optionally, the foot tension mechanism includes a second rigid spring, a second elastic rope, and a second pulley group. The second pulley group is disposed on one side of the frame. One end of the second rigid spring is fixedly connected to one side of the frame, and the other end is connected to one end of the second elastic rope. The other end of the second elastic rope passes through the second pulley group, extends out from the pull-down rope opening, and passes through the support tube to the bracket pulley at the end of the pull-down rope opening. One end of the second elastic rope passing through the bracket pulley is connected to a foot rope loop.
[0009] Optionally, an annular footrest is fixedly connected to the end face of the chassis near the pull-down rope opening.
[0010] Optionally, a rotating latch is fixedly connected at the connection position between the chassis and the outer shell, and the rotating latch is used to lock the relative rotation state of the chassis and the outer shell.
[0011] Optionally, the top of the outer shell is detachably connected to an upper shell adapted to the top opening. The connection between the upper shell and the outer shell is a concave-convex fitting structure. The upper shell has an arc-shaped recess adapted to the human thigh on one side of the annular footrest. The top of the upper shell has an annular opening. An elastic support adapted to the shape of the cavity is detachably assembled inside the spherical hollow cavity of the outer shell. When the elastic support is placed in the spherical hollow cavity, part of the structure is exposed through the annular opening at the top of the upper shell.
[0012] Optionally, a metal connecting plate is fixedly connected to one side of the outer shell. The metal connecting plate is positioned corresponding to the pull rope opening and does not obstruct the pull rope opening. A sliding backrest is detachably connected to the middle of the metal connecting plate and can slide up and down along it and be adjusted by bolts.
[0013] Optionally, the bottom of the chassis is fixedly connected with casters.
[0014] The present invention has the following beneficial effects: 1. Multi-body coordinated training: Through the exposed design of elastic support components and the integration of tension mechanism, it realizes synchronous coordinated training of the buttocks, hands and feet, breaking through the limitations of single-body training of traditional equipment and improving fitness and rehabilitation effects; 2. Easy to disassemble and assemble: The upper shell and the outer shell adopt a concave-convex mating structure, which can be quickly disassembled and assembled without tools, making it easy to put away the elastic support and store the equipment. At the same time, the connection is tight and the gap is small. 3. Ergonomic design enhances comfort: The curved concave shape of the upper shell conforms to the curve of the human thigh, distributing leg pressure and avoiding soreness during long-term training; the non-slip rubber sleeves of the ring footrest and the cotton material of the hand / foot loops further enhance the comfort of use. 4. Stable tension and convenient storage: Rigid springs provide stable tension, ensuring the accuracy of rehabilitation training; rope grooves and steering pulleys allow for concealed storage of the tension ropes, avoiding tangling and wear; hand rope loops can be fitted onto storage tubes for convenient storage and organization. 5. High adaptability: The sliding backrest can be adjusted up and down to fit users of different heights, and the rigid spring can be replaced with different stiffness coefficients to meet the tension needs of different rehabilitation stages. 6. Easy to move: The casters at the bottom of the chassis allow for flexible movement of the equipment, making it suitable for various scenarios such as homes, rehabilitation centers, and community service stations. The overall structure is stable and has a strong load-bearing capacity, meeting the needs of different users. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of this application; Figure 2 This is a schematic diagram of the internal structure of this application; Figure 3 This is a schematic diagram of the tensile component structure of this application; Figure 4 This is a rear view of the overall structure of this application; Figure 5 A schematic diagram showing the structure of the chassis of this application when it is open.
[0016] The markings in the diagram are as follows: 1. Outer shell; 11. Top opening; 12. Upper pull rope opening; 13. Rope groove; 14. Steering pulley; 15. Inflation port; 2. Chassis; 21. Lower pull rope opening; 3. Pulling assembly; 31. Frame; 32. Hand pulling mechanism; 321. First rigid spring; 322. First elastic rope; 323. First pulley block; 324. Hand rope loop; 325. Storage tube; 33. Foot pulling mechanism; 331. Second rigid spring; 332. Second elastic rope; 333. Second pulley block; 334. Support pulley; 335. Foot rope loop; 4. Annular footrest; 5. Rotary lock; 6. Upper shell; 61. Arc-shaped recess; 62. Annular opening; 63. Elastic support; 7. Metal connecting plate; 71. Sliding backrest; 8. Casters. Detailed Implementation
[0017] The following is in conjunction with the appendix Figure 1-4This application will be described in further detail.
[0018] To achieve the above objectives, the present invention adopts the following technical solution: A fitness and rehabilitation chair includes an outer shell 1, a chassis 2, and a tension component 3.
[0019] The outer shell 1, serving as the core support and protective carrier of the equipment, is made of high-strength plastic through injection molding in this embodiment. The outer shell 1 has an internal spherical hollow cavity. A top opening 11 is provided at the upper end of the outer shell 1, and an upper shell 6, adapted to the top opening 11, is snapped onto the top of the outer shell 1. The connection between the upper shell 6 and the outer shell 1 is a concave-convex mating structure (specifically, an annular protrusion is provided circumferentially at the top of the outer shell 1, and an annular groove is provided at the corresponding position of the upper shell 6 to match the annular protrusion). This structure allows for quick assembly and disassembly of the upper shell 6 and the outer shell 1 without tools. Furthermore, the outer shell 1 has symmetrical pull-up rope openings 12 on both sides and an inflation port 15 at the bottom.
[0020] The inner wall of the outer casing 1 has a rope groove 13. The rope groove 13 extends along the inner wall and is rotatably connected to a guide pulley 14 via a bearing at the bend. Both ends of the rope groove 13 are open, with one end connected to the pull-up rope opening 12, enabling concealed storage of the rope of the hand-pulling mechanism 32, avoiding tangling and wear caused by exposed ropes, and preventing rope injury to the user. The other end of the rope groove 13 is connected to the bottom of the outer casing 1. A metal connecting plate 7 is fixedly connected to one side of the outer casing 1. The metal connecting plate 7 is made of stainless steel and is positioned corresponding to the pull-up rope opening 12 without obstructing it. A sliding backrest 71 is detachably connected to the middle of the metal connecting plate 7. The sliding backrest 71 can slide up and down along the metal connecting plate 7 and is locked in place by bolts to accommodate users of different heights or different training postures.
[0021] The chassis 2 uses a stainless steel frame 31 with a hollow interior to provide space for the installation of the tension component 3. The chassis 2 is adapted to the bottom dimensions of the outer shell 1. The bottom end of the outer shell 1 is hinged to one side of the chassis 2, allowing the outer shell 1 to rotate and open relative to the chassis 2. A rotating latch 5 is fixedly connected at the connection point between the chassis 2 and the outer shell 1. In this embodiment, the rotating latch 5 is a push-button metal latch, which locks the two in place after being pressed.
[0022] A pair of symmetrically arranged pull-down rope openings 21 are provided on the side of the chassis 2 away from the pull-down rope opening 12. A ring-shaped footrest 4 is fixedly connected to the end face of the chassis 2 near the pull-down rope opening 21. The ring-shaped footrest 4 is made of stainless steel and covered with a non-slip rubber sleeve for placing the user's feet during training. A universal wheel 8 is fixedly connected to the bottom of the chassis 2 to facilitate the overall movement of the equipment and adapt to the placement needs of different usage scenarios.
[0023] The tension assembly 3 is located inside the chassis 2 and includes a frame 31, a pair of identical and symmetrical hand tension mechanisms 32, and a pair of identical and symmetrical foot tension mechanisms 33. The frame 31 is made of stainless steel and welded inside the chassis 2 to provide stable support for the entire tension assembly 3.
[0024] The hand-pulling mechanism 32 includes a first rigid spring 321, a first elastic rope 322, and a first pulley group 323. The first pulley group 323 is located in the middle of the frame 31. In this embodiment, the first pulley consists of three nylon pulleys, which are used to change the force direction of the first elastic rope 322 and improve the stability of the pulling force transmission. One end of the first rigid spring 321 is fixedly connected to one side of the frame 31, and the other end is connected to one end of the first elastic rope 322. In this embodiment, the elastic rope and the rigid spring are connected by a quick-connect buckle. The first rigid spring 321 provides a stable basic pulling force, and springs with different stiffness coefficients can be replaced according to the needs of the rehabilitation stage. The other end of the first elastic rope 322 passes through the first pulley group 323 and extends into the opening of the rope groove 13 at the bottom of the outer shell 1. After being turned by the deflecting pulley 14, it extends out from the upper pull rope opening 12, completing the complete transmission path. The first elastic cord 322 extends out of the pull cord opening 12 and is fixedly connected to a hand cord loop 324. In this embodiment, the hand cord loop 324 is made of high-strength cotton and fits the hand well when worn. The outer shell 1 is fixedly snapped with a storage tube 325 at the pull cord opening 12. In this embodiment, the storage tube 325 is made of stainless steel. The hand cord loop 324 can be fitted onto the storage tube 325 to achieve convenient storage when not in use.
[0025] The foot tension mechanism 33 includes a second rigid spring 331, a second elastic rope 332, and a second pulley group 333. A support tube made of stainless steel is fixedly connected to the frame 31. One end of the support tube extends out of the pull-down rope opening 21, and a bracket pulley 334 is fixedly connected to the extended end. The bracket pulley 334 is used to change the force direction of the second elastic rope 332. The second pulley group 333 is located on one side of the frame 31. In this embodiment, the second pulley group 333 consists of 8 nylon pulleys to improve the stability of tension transmission. One end of the second rigid spring 331 is fixedly connected to one side of the frame 31, and the other end is connected to one end of the second elastic rope 332. The other end of the second elastic rope 332 passes through the second pulley group 333, extends out from the pull-down rope opening 21, and passes through the bracket pulley 334. The end of the second elastic rope 332 passing through the bracket pulley 334 is connected to a foot rope loop 335. The foot rope loop 335 is made of elastic cotton material and can adapt to different ankle sizes.
[0026] The upper shell 6 has an arc-shaped recess 61 on one side of the annular footrest 4 that is adapted to the human thigh. The radius of curvature of the arc-shaped recess 61 is designed according to the average curve of the adult human thigh, which can fit closely to the thigh, distribute leg pressure, and improve the comfort of long-term training. The top of the upper shell 6 has an annular opening 62. The size of the annular opening 62 is adapted to the exposure requirements of the elastic support 63. In this embodiment, the elastic support 63 is a yoga ball.
[0027] A yoga ball adapted to the shape of the cavity is detachably installed inside the spherical hollow cavity of the outer shell 1. After being inflated, it is placed in the spherical hollow cavity. At this time, part of the structure of the yoga ball is exposed through the annular opening 62 at the top of the upper shell 6, forming a bearing surface for hip exercises. In this embodiment, the yoga ball can be inflated through the inflation port 15. The user can sit on the exposed yoga ball to exercise the hip muscles, while wearing hand rope loops 324 and foot rope loops 335, and simultaneously perform pull training of the hands and feet to achieve multi-part coordinated exercise.
[0028] The user's usage process is as follows: Fasten the rotating lock 5 to secure the outer shell 1 and the base 2; adjust the height of the sliding backrest 71 to a comfortable position that fits the back, and lock the bolts; the user sits on the exposed part of the yoga ball, with their thighs against the arc-shaped recess 61 of the upper shell 6, and their feet placed on the ring-shaped footrest 4 with the foot loops 335 attached; the user removes the hand loops 324 from the storage tube 325 and puts them on, simultaneously pulling on the hand loops 324 and stepping on the foot loops 335. Through the elasticity of the first rigid spring 321 and the second rigid spring 331, the user achieves muscle training in the hands and feet, while simultaneously exercising the buttocks of the user sitting on the yoga ball, achieving coordinated training of three body parts. The above description is only a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention are included within the scope of protection of the present invention.
Claims
1. A fitness rehabilitation chair, comprising: an outer shell (1) with a spherical hollow cavity formed inside, a top opening (11) formed at the upper end of the outer shell (1), an inflation opening (15) formed at the bottom end of the outer shell (1), and a pair of upper pull rope openings (12) symmetrically formed at the two sides of the outer shell (1), a rope slot (13) formed in the inner wall of the outer shell (1), and a turning pulley (14) rotatably connected at the bending part of the rope slot (13), both ends of the rope slot (13) being open and one end being in communication with the upper pull rope opening (12); a bottom disc (2) rotatably connected to the bottom of the outer shell (1) and having a hollow inside, a pair of lower pull rope openings (21) symmetrically formed at one side of the bottom disc (2); a tension assembly (3) arranged inside the bottom disc (2) and comprising a frame (31), a pair of identical and symmetric hand tension mechanisms (32), and a pair of identical and symmetric foot tension mechanisms (33), the frame (31) being fixedly connected to the inside of the bottom disc (2), a support tube being fixedly connected to the frame (31), one end of the support tube extending out of the lower pull rope opening (21) and being fixedly connected with a bracket pulley (334), one end of the hand tension mechanism (32) being fixedly connected to the frame (31) and the other end being connected to the upper pull rope opening (12), and one end of the foot tension mechanism (33) being fixedly connected to the frame (31) and the other end being connected to the lower pull rope opening (21).
2. The exercise and rehabilitation chair of claim 1, wherein: The hand tension mechanism (32) comprises a first rigid spring (321), a first elastic rope (322), and a first pulley set (323), the first pulley set (323) being arranged at the middle part of the frame (31), one end of the first rigid spring (321) being fixedly connected to one side of the frame (31) and the other end being connected to one end of the first elastic rope (322), the other end of the first elastic rope (322) extending into the open end of the rope slot (13) after passing through the first pulley set (323), being turned by the turning pulley (14), and extending out of the upper pull rope opening (12), one end of the first elastic rope (322) extending out of the upper pull rope opening (12) being fixedly connected with a hand rope ring (324), and the outer shell (1) being fixedly connected with a storage tube (325) at the upper pull rope opening (12), the hand rope ring (324) being sleeved on the storage tube (325).
3. The exercise and rehabilitation chair of claim 1, wherein: The foot tension mechanism (33) comprises a second rigid spring (331), a second elastic rope (332), and a second pulley set (333), the second pulley set (333) being arranged at one side of the frame (31), one end of the second rigid spring (331) being fixedly connected to one side of the frame (31) and the other end being connected to one end of the second elastic rope (332), the other end of the second elastic rope (332) extending out of the lower pull rope opening (21) and passing through the bracket pulley (334) at the end of the support tube extending out of the lower pull rope opening (21), and one end of the second elastic rope (332) passing through the bracket pulley (334) being connected with a foot rope ring (335).
4. The exercise and rehabilitation chair of claim 1, wherein: The end face of the bottom plate (2) near the lower pull rope opening (21) is fixedly connected with an annular foot rest (4).
5. The exercise and rehabilitation chair of claim 1, wherein: The connecting position of the bottom plate (2) and the outer shell (1) is fixedly connected with a rotating lock (5), which is used for locking the relative rotating state of the bottom plate (2) and the outer shell (1).
6. The exercise and rehabilitation chair of claim 1, wherein: The top end of the outer shell (1) is detachably connected with an upper shell (6) matched with the top opening (11), the connecting position of the upper shell (6) and the outer shell (1) is a concave-convex matching structure, the side of the upper shell (6) located at the annular foot rest (4) is provided with an arc-shaped recess (61) matched with the human thigh, and the top end of the upper shell (6) is provided with an annular opening (62); the spherical hollow cavity of the outer shell (1) is detachably assembled with an elastic supporting piece (63) matched with the cavity shape, and when the elastic supporting piece (63) is placed in the spherical hollow cavity, part of the structure is exposed through the annular opening (62) at the top end of the upper shell (6).
7. The exercise and rehabilitation chair of claim 1, wherein: The side of the outer shell (1) is fixedly connected with a metal connecting plate (7), the metal connecting plate (7) is arranged at the position corresponding to the upper pull rope opening (12) and does not block the upper pull rope opening (12), and the middle part of the metal connecting plate (7) is detachably connected with a sliding backrest (71) which can slide up and down along the metal connecting plate (7) and is adjusted by a bolt.
8. The exercise and rehabilitation chair of claim 1, wherein: The bottom end of the bottom plate (2) is fixedly connected with a universal wheel (8).
Citation Information
Patent Citations
A rehabilitation chair that can be used for sitting or standing
CN107693303B