Rehabilitation chair with thermal therapy assembly

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By incorporating a heat therapy component and a ratchet mechanism into the rehabilitation chair, synchronized hand and foot movements are achieved, solving the problem of existing rehabilitation chairs' reliance on arm strength and improving the effectiveness of patients' rehabilitation training.

CN224484427UActive Publication Date: 2026-07-14HARBIN MEDICAL UNIVERSITY

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: HARBIN MEDICAL UNIVERSITY
Filing Date: 2025-04-07
Publication Date: 2026-07-14

AI Technical Summary

Technical Problem

In the current rehabilitation chair, the leg support plate can only be supported by connecting rod one and connecting rod two, which requires a high level of strength from the patient's arms and is not conducive to the patient's rehabilitation training.

Method used

A rehabilitation chair with a heat therapy component was designed. By setting the heat therapy component, support plate and ratchet mechanism on the top of the chair surface, the simultaneous movement of the hands and feet can be achieved by using the coordination of the adjustment cylinder, connecting rod and support plate. Combined with the limiting mechanism to limit the angle of the support plate, it promotes blood circulation and muscle movement in the limbs.

Benefits of technology

Simultaneous movement of the hands and feet promotes muscle activity, prevents muscle atrophy, facilitates rehabilitation training for patients, and reduces reliance on arm strength.

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Figure CN224484427U_ABST

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Abstract

This utility model discloses a rehabilitation chair with a heat therapy component, including a seat, support legs fixedly connected to the four corners of the bottom of the seat, reinforcing rods fixedly connected between the support legs, a backrest fixedly connected to one side of the top of the seat, a heat therapy component disposed on the top of the seat, a support plate rotatably connected to one side of the seat, a support rod fixedly connected to the top of the seat, an armrest fixedly connected to the top of the support rod, and a ratchet fixedly connected to the side of the seat via a mounting shaft. This utility model relates to the field of medical device technology. This rehabilitation chair with a heat therapy component, through the setting of a limiting mechanism, ensures that the pawl is always engaged with the ratchet teeth of the ratchet under the action of a first spring, thereby limiting the angle of the support plate. This allows the support plate to effectively support the patient's legs, facilitating the patient's relaxation of arms during rehabilitation training and promoting the progress of rehabilitation training.

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Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically a rehabilitation chair with a heat therapy component. Background Technology

[0002] A rehabilitation chair is a specialized seat designed to assist patients in rehabilitation therapy. According to patent authorization announcement number CN114848314B (rehabilitation wheelchair), the drive housing is fixed to the bottom of the wheelchair frame, the worm gear is fixed to the output shaft end of the drive motor, the turbine meshes with the bottom of the worm gear, a drive shaft with a groove is slidably engaged in the shaft hole, two levers are slidably sleeved on the drive shaft, and the two levers are located on both sides of the turbine. A massage support is fixed to one side of the seat, and a second massager is located in the leg support groove. In existing rehabilitation chairs, the leg support plate can only be supported by connecting rod one and connecting rod two during use, requiring significant arm strength from the patient, which is not conducive to the patient's rehabilitation training. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a rehabilitation chair with a heat therapy component, which solves the problem that existing rehabilitation chairs rely solely on connecting rods one and two for leg support during use, requiring significant arm strength from the patient and hindering rehabilitation training.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a rehabilitation chair with a heat therapy component, comprising a seat, support legs fixedly connected to the four corners of the bottom of the seat, reinforcing rods fixedly connected between the support legs, a backrest fixedly connected to one side of the top of the seat, a heat therapy component disposed on the top of the seat, a support plate rotatably connected to one side of the seat, a support rod fixedly connected to the top of the seat, an armrest fixedly connected to the top of the support rod, a ratchet fixedly connected to the side of the seat via an mounting shaft, a connecting cylinder rotatably connected to the side wall of the seat and the surface of the ratchet via an mounting cylinder, an adjusting cylinder fixedly connected to the surface of the connecting cylinder, a limit mechanism provided between the adjusting cylinder and the ratchet, a connecting rod fixedly connected to the surface of the connecting cylinder, and the connecting rod connected to the support plate via a sliding component.

[0005] Preferably, the limiting mechanism includes a fixed plate, which is fixedly connected to the inner wall of the adjusting cylinder. An adjusting rod is provided on the surface of the fixed plate, and a limiting plate is connected to the bottom end of the adjusting rod. A ratchet pawl adapted to the ratchet is fixedly connected to the bottom of the limiting plate.

[0006] Preferably, a first spring is fixedly connected to the top of the limiting plate and to the surface of the adjusting rod, and the end of the first spring away from the limiting plate is fixedly connected to the fixing plate.

[0007] Preferably, the adjusting rod passes through the fixed plate and is slidably connected to the fixed plate. A pull rod is fixedly connected to the end of the adjusting rod away from the limiting plate. A movable hole is opened through the surface of the adjusting cylinder. The pull rod passes through the movable hole through the adjusting cylinder and extends to the outside of the adjusting cylinder.

[0008] Preferably, the sliding assembly includes a slide rail, which is fixedly connected to a support plate, and a slider is slidably connected to the surface of the slide rail, the slider being rotatably connected to a connecting rod.

[0009] Preferably, the heat therapy component includes a heat-conducting plate, which is fixedly connected to the top of the chair surface, and a heating tube is embedded inside the heat-conducting plate.

[0010] Beneficial effects

[0011] This invention provides a rehabilitation chair with a heat therapy component. Compared with the prior art, it has the following advantages:

[0012] Beneficial effects:

[0013] (1) The rehabilitation chair with a heat therapy component has a backrest fixedly connected to one side of the top of the chair surface, a heat therapy component installed on the top of the chair surface, a support plate rotatably connected to one side of the chair surface, a support rod fixedly connected to the top of the chair surface, an armrest fixedly connected to the top of the support rod, a ratchet fixedly connected to the side of the chair surface via an mounting shaft, a connecting cylinder rotatably connected to the side wall of the chair surface and the surface of the ratchet via an mounting cylinder, an adjusting cylinder fixedly connected to the surface of the connecting cylinder, a limit mechanism between the adjusting cylinder and the ratchet, a connecting rod fixedly connected to the surface of the connecting cylinder, and the connecting rod connected to the support plate via a sliding component. Through the cooperation between the adjusting cylinder, the connecting rod and the support plate, rotating the adjusting cylinder enables simultaneous movement of the hands and feet, promotes blood circulation in the limbs, stimulates the patient's muscle movement, prevents muscle atrophy, and promotes the patient's recovery.

[0014] (2) The rehabilitation chair with heat therapy components includes a fixed plate through a limiting mechanism. The fixed plate is fixedly connected to the inner wall of the adjusting cylinder. An adjusting rod is provided on the surface of the fixed plate. The bottom end of the adjusting rod is connected to a limiting plate. A pawl adapted to a ratchet is fixedly connected to the bottom of the limiting plate. A first spring is fixedly connected to the top of the limiting plate and on the surface of the adjusting rod. The end of the first spring away from the limiting plate is fixedly connected to the fixed plate. The adjusting rod passes through the fixed plate and is slidably connected to the fixed plate. A pull rod is fixedly connected to the end of the adjusting rod away from the limiting plate. A movable hole is opened through the surface of the adjusting cylinder. The pull rod passes through the movable hole through the adjusting cylinder and extends to the outside of the adjusting cylinder. Through the setting of the limiting mechanism, the pawl is always in contact with the ratchet teeth of the ratchet under the action of the first spring, thereby limiting the angle of the support plate, so that the support plate can effectively support the patient's legs, making it convenient for the patient to relax their arms at any time during rehabilitation training, which is conducive to the patient's rehabilitation training. Attached Figure Description

[0015] Figure 1 This is a perspective view of the structure of this utility model;

[0016] Figure 2 This is a cross-sectional view of the structure of this utility model;

[0017] Figure 3 This is a cross-sectional view of the thermotherapy component of this utility model;

[0018] Figure 4 This is a cross-sectional view of the limiting mechanism of this utility model.

[0019] In the diagram: 1. Chair seat, 2. Support leg, 3. Reinforcing rod, 4. Heat therapy component, 41. Heat conduction plate, 42. Heating tube, 5. Limiting mechanism, 51. Fixing plate, 52. Adjusting rod, 53. Limiting plate, 54. Pawl, 55. First spring, 56. Pull rod, 57. Movable hole, 6. Sliding component, 61. Slide rail, 62. Slider, 7. Support plate, 8. Backrest, 9. Support rod, 10. Armrest, 11. Ratchet, 12. Connecting cylinder, 13. Adjusting cylinder, 14. Connecting rod. Detailed Implementation

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

[0021] Please see Figure 1-4 This utility model provides two technical solutions: a rehabilitation chair with a heat therapy component, specifically including the following embodiments:

[0022] Example 1

[0023] A rehabilitation chair with a heat therapy component includes a seat 1, support legs 2 fixedly connected to the four corners of the bottom of the seat, reinforcing rods 3 fixedly connected between the support legs 2, a backrest 8 fixedly connected to one side of the top of the seat 1, a heat therapy component 4 disposed on the top of the seat 1, a support plate 7 rotatably connected to one side of the seat 1, a support rod 9 fixedly connected to the top of the seat 1, an armrest 10 fixedly connected to the top of the support rod 9, a ratchet 11 fixedly connected to the side of the seat 1 via a mounting shaft, a connecting cylinder 12 rotatably connected to the side wall of the seat 1 and the surface of the ratchet 11 via a mounting cylinder, an adjusting cylinder 13 fixedly connected to the surface of the connecting cylinder 12, a limit mechanism 5 provided between the adjusting cylinder 13 and the ratchet 11, a connecting rod 14 fixedly connected to the surface of the connecting cylinder 12, and the connecting rod 14 connected to the support plate 7 via a sliding component 6. Next, the limiting mechanism 5 includes a fixed plate 51, which is fixedly connected to the inner wall of the adjusting cylinder 13. An adjusting rod 52 is provided on the surface of the fixed plate 51. A limiting plate 53 is connected to the bottom end of the adjusting rod 52. A pawl 54 adapted to the ratchet 11 is fixedly connected to the bottom of the limiting plate 53. A first spring 55 is fixedly connected to the top of the limiting plate 53 and on the surface of the adjusting rod 52. The first spring 55 is in a compressed state. The end of the first spring 55 away from the limiting plate 53 is fixedly connected to the fixed plate 51. The adjusting rod 52 passes through the fixed plate 51 and is slidably connected to the fixed plate 51. A pull rod 56 is fixedly connected to the end of the adjusting rod 52 away from the limiting plate 53. A movable hole 57 is opened through the surface of the adjusting cylinder 13. The pull rod 56 passes through the movable hole 57 through the adjusting cylinder 13 and extends to the outside of the adjusting cylinder 13.

[0024] Example 2

[0025] A rehabilitation chair with a heat therapy component includes a seat 1, with support legs 2 fixedly connected to the four corners of the bottom of the seat, and reinforcing rods 3 fixedly connected between the support legs 2. A backrest 8 is fixedly connected to one side of the top of the seat 1. A heat therapy component 4 is installed on the top of the seat 1. The heat therapy component 4 includes a heat-conducting plate 41, which is fixedly connected to the top of the seat 1. A heating tube 42 is embedded inside the heat-conducting plate 41. The heating tube 42 is an electric heating tube connected to a control system and a power supply via wires. One side of the seat 1 rotates... A support plate 7 is connected to the top of the seat 1, a support rod 9 is fixedly connected to the top of the support rod 9, and an armrest 10 is fixedly connected to the top of the support rod 9. A ratchet 11 is fixedly connected to the side of the seat 1 via a mounting shaft. A connecting cylinder 12 is rotatably connected to the side wall of the seat 1 and the surface of the ratchet 11 via a mounting cylinder. An adjusting cylinder 13 is fixedly connected to the surface of the connecting cylinder 12. A limit mechanism 5 is provided between the adjusting cylinder 13 and the ratchet 11. A connecting rod 14 is fixedly connected to the surface of the connecting cylinder 12. The connecting rod 14 is connected to a sliding assembly 6. Connected to the support plate 7, the sliding assembly 6 includes a slide rail 61, which is fixedly connected to the support plate 7. A slider 62 is slidably connected to the surface of the slide rail 61, and the slider 62 is rotatably connected to the connecting rod 14. The limiting mechanism 5 includes a fixed plate 51, which is fixedly connected to the inner wall of the adjusting cylinder 13. An adjusting rod 52 is provided on the surface of the fixed plate 51, and a limiting plate 53 is connected to the bottom end of the adjusting rod 52. A pawl 54 adapted to the ratchet 11 is fixedly connected to the bottom of the limiting plate 53. A first spring 55 is fixedly connected to the top of the adjusting rod 52 and to the surface of the adjusting rod 52. The first spring 55 is in a compressed state. The end of the first spring 55 away from the limiting plate 53 is fixedly connected to the fixing plate 51. The adjusting rod 52 passes through the fixing plate 51 and is slidably connected to the fixing plate 51. A pull rod 56 is fixedly connected to the end of the adjusting rod 52 away from the limiting plate 53. A movable hole 57 is opened through the surface of the adjusting cylinder 13. The pull rod 56 passes through the movable hole 57 through the adjusting cylinder 13 and extends to the outside of the adjusting cylinder 13.

[0026] In use, the patient sits on the heat therapy component 4 above the chair seat 1 and turns on the heating tube 42 through the control panel. The heating tube 42 heats the heat conduction plate 41, thereby providing heat therapy to the patient. When the patient needs to exercise their arms and legs, they pull the adjusting cylinder 13 to rotate. The rotating adjusting rod 52 drives the connecting rod 14 to rotate through the connecting cylinder 12. The rotating connecting rod 14 drives the support plate 7 to rotate. When the patient needs to lower their legs, they pull the lever 56, which drives the pawl 54 to disengage from the ratchet teeth of the ratchet wheel 11 through the adjusting rod 52 and the limiting plate 53. Both the adjusting cylinder 13 and the support plate 7 can then be reset.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rehabilitation chair with a heat therapy component, comprising a seat (1), wherein support legs (2) are fixedly connected to the four corners of the bottom of the seat, and reinforcing rods (3) are fixedly connected between the support legs (2), characterized in that: A backrest (8) is fixedly connected to one side of the top of the chair surface (1). A heat therapy component (4) is provided on the top of the chair surface (1). A support plate (7) is rotatably connected to one side of the chair surface (1). A support rod (9) is fixedly connected to the top of the chair surface (1). An armrest (10) is fixedly connected to the top of the support rod (9). A ratchet (11) is fixedly connected to the side of the chair surface (1) via an installation shaft. A connecting cylinder (12) is rotatably connected to the side wall of the chair surface (1) and the surface of the ratchet (11) via an installation cylinder. An adjusting cylinder (13) is fixedly connected to the surface of the connecting cylinder (12). A limit mechanism (5) is provided between the adjusting cylinder (13) and the ratchet (11). A connecting rod (14) is fixedly connected to the surface of the connecting cylinder (12). The connecting rod (14) is connected to the support plate (7) via a sliding component (6).

2. A rehabilitation chair with a heat therapy component according to claim 1, characterized in that: The limiting mechanism (5) includes a fixed plate (51), which is fixedly connected to the inner wall of the adjusting cylinder (13). An adjusting rod (52) is provided on the surface of the fixed plate (51), and a limiting plate (53) is connected to the bottom end of the adjusting rod (52). A pawl (54) adapted to the ratchet (11) is fixedly connected to the bottom of the limiting plate (53).

3. A rehabilitation chair with a heat therapy component according to claim 2, characterized in that: A first spring (55) is fixedly connected to the top of the limiting plate (53) and to the surface of the adjusting rod (52). The end of the first spring (55) away from the limiting plate (53) is fixedly connected to the fixing plate (51).

4. A rehabilitation chair with a heat therapy component according to claim 3, characterized in that: The adjusting rod (52) passes through the fixed plate (51) and is slidably connected to the fixed plate (51). A pull rod (56) is fixedly connected to one end of the adjusting rod (52) away from the limiting plate (53). A movable hole (57) is opened through the surface of the adjusting cylinder (13). The pull rod (56) passes through the adjusting cylinder (13) through the movable hole (57) and extends to the outside of the adjusting cylinder (13).

5. A rehabilitation chair with a heat therapy component according to claim 1, characterized in that: The sliding assembly (6) includes a slide rail (61), which is fixedly connected to the support plate (7). A slider (62) is slidably connected to the surface of the slide rail (61), and the slider (62) is rotatably connected to the connecting rod (14).

6. A rehabilitation chair with a heat therapy component according to claim 1, characterized in that: The heat therapy component (4) includes a heat-conducting plate (41), which is fixedly connected to the top of the chair surface (1), and a heating tube (42) is embedded inside the heat-conducting plate (41).